Block prefabricated elevator shaft standard knot, standard section and construction method thereof

Abstract

The invention provides a block prefabricated elevator shaft standard knot, a standard section and a construction method thereof, and belongs to the field of existing building elevator retrofitting, and the standard knot at least comprises two elevator side wall plates, an elevator door plate, an elevator rear wall plate and a corridor plate. Wherein the two elevator side wall plates are arranged side by side at intervals, the elevator door plate and the elevator rear wall plate are located between the elevator side wall plates and connected through vertical grooves, and an equivalent cast-in-place reinforcement cage structure is formed in the elevator door plate and the elevator rear wall plate. The prefabricated standard knot is divided into the five plate bodies such as the side wall plate, the door plate, the rear wall plate and the corridor plate of the elevator, horizontal pouring can be adopted for prefabrication in a factory, the requirement for a mold is low, and mass production can be achieved through original equipment in the factory; and the original integral standard knot is disassembled into five parts, so that the hoisting and the transportation are convenient.

Description

Technical Field

[0001] The invention belongs to the field of retrofitting elevators in existing buildings, and in particular relates to a block-based prefabricated elevator shaft standard section, a standard segment and a construction method thereof. Background Art

[0002] For the installation of elevators in existing residential buildings, the commonly used elevator structure at this stage is an assembled precast concrete elevator structure. That is, the elevator shaft is standardized and prefabricated into standard sections in the factory, and then transported to the site. On the cast-in-place foundation, the standard sections are stacked by pouring and connected, and finally the elevator cover is installed to form a complete elevator shaft for the existing building.

[0003] However, although this structure can reduce on-site construction and improve installation efficiency, on the one hand, the standard section of the elevator has a heavy weight, which is not convenient for on-site lifting, and the size of a single section is too large, which has too many restrictions on transportation conditions; on the other hand, the standard section is not convenient to produce in the factory because a large number of vertical production molds are required.

[0004] The prior art also records a block-type elevator shaft, which is assembled on site to form standard sections, but its structural strength is difficult to ensure compared with cast-in-place.

[0005] Therefore, an elevator structure that can solve the shortcomings of the above structure, facilitate molding and installation, improve installation efficiency and economy, and has a structural strength equivalent to that of cast-in-place elevators is urgently needed.

[0006] It should be noted that the information disclosed in the background technology section of the invention is only intended to deepen the understanding of the general background technology of the invention, and should not be regarded as an admission or suggestion in any form that the information constitutes prior art already known to those skilled in the art. Summary of the invention

[0007] The object of the present invention is to provide an elevator shaft structure which is prefabricated, easy to transport and has a structure equivalent to a cast-in-place one.

[0008] In order to achieve the above-mentioned purpose, the present invention first provides a block-based prefabricated elevator shaft standard section, which is characterized by comprising: Two elevator side wall panels, the two elevator side wall panels are arranged side by side with a spacing, the elevator side wall panels are provided with a first side wall connecting vertical groove at the elevator door position, and the elevator side wall panels are provided with a second side wall connecting vertical groove at the rear wall position; An elevator door panel, wherein first door panel connecting vertical grooves are provided on both sides of the elevator door panel, the elevator door panel is located between the two elevator side wall panels, and the space formed between the two elevator side wall panels is divided into a shaft space and a corridor space by the elevator door panel, and the first door panel connecting vertical grooves on both sides of the elevator door panel are respectively connected with the first side wall connecting vertical grooves to form a first cast-in-place through-filling space, and a first cast-in-place structural reinforcement is arranged in the first cast-in-place through-filling space; An elevator rear wall panel, wherein first rear wall connecting vertical grooves are provided on both sides of the elevator rear wall panel, the elevator rear wall panel is located between the two elevator side wall panels, the hoistway space is formed between the elevator rear wall panel and the elevator door panel, the first rear wall connecting vertical grooves on both sides of the elevator rear wall panel are respectively connected with the second side wall connecting vertical grooves to form a second cast-in-place through-filling space, and a second cast-in-place structural reinforcement is arranged in the second cast-in-place through-filling space; A corridor slab is laid on the elevator side wall slab and is located in the corridor space.

[0009] Preferably, it also includes shaping supports, and a plurality of shaping supports are arranged at least at the corner where the elevator side wall panel and the elevator door panel are connected; and / or at the corner where the elevator side wall panel and the elevator rear wall panel are connected; and / or on the side of the elevator side wall panel facing the corridor space.

[0010] Preferably, the shaped support members are implemented as temporary construction panels for supporting the corridor panels and the shaft space.

[0011] Preferably, the first cast-in-place structural reinforcement comprises: A first pivoting rib, the first pivoting rib being disposed in the first door panel connecting vertical groove or the first side wall connecting vertical groove; A first connecting rib, wherein the first connecting rib is pivotally connected to the first pivoting rib, and the pivoting point is lower than the center of gravity of the first connecting rib; and at least in the vertical direction, the first connecting rib has a tendency to tip over horizontally due to the center of gravity deviating from the pivoting point; A first horizontal limiting rib, which is located at one side of the first pivot rib and is used for the first connecting rib to be tilted and placed horizontally; A first longitudinal limiter, which is detachably disposed in the first cast-in-place pouring space and limits the first connecting bar to maintain a vertical state; The first structural longitudinal reinforcement is vertically inserted in the first cast-in-place grouting space.

[0012] Preferably, when the first connecting rib is in a vertical state, it at least does not extend outside the first door panel connecting vertical groove or the first side wall connecting vertical groove.

[0013] Preferably, the first connecting rib is a buckle rib, and the first longitudinal limiting member is selected from a rope-like object, a rod-like object, a strip-like object, and an elastic stretchable object that longitudinally stretches the buckle rib to maintain a vertical state.

[0014] Preferably, the second cast-in-place structural reinforcement comprises: A second pivoting rib, the second pivoting rib being disposed in the first rear wall connecting vertical groove or the second side wall connecting vertical groove; A second connecting rib, wherein the second connecting rib is pivotally connected to the second pivoting rib, and the pivoting point is lower than the center of gravity of the second connecting rib; and at least in the vertical direction, the second connecting rib has a tendency to tip over horizontally due to the center of gravity deviating from the pivoting point; A second horizontal limiting rib, the second horizontal limiting rib is located at one side of the second pivot rib and is used for the second connecting rib to be tilted and placed horizontally; A second longitudinal limiter, which is detachably disposed in the second cast-in-place pouring space and limits the second connecting rib to maintain a vertical state. The second structural longitudinal reinforcement is vertically inserted in the second cast-in-place grouting space. Preferably, when the second connecting rib is in a vertical state, it at least does not extend outside the first rear wall connecting vertical groove or the second side wall connecting vertical groove.

[0015] Preferably, the second connecting rib is a buckle rib, and the second longitudinal limiting member is selected from a rope-like object, a rod-like object, a strip-like object, and an elastic stretchable object that longitudinally stretches the buckle rib to maintain a vertical state.

[0016] Preferably, cast-in-place column grooves are formed at the corners of the elevator side wall panels corresponding to the corridor space or the shaft space, and column reinforcements are provided in the cast-in-place column grooves to form a reinforced column structure after casting.

[0017] Preferably, overlapping connecting bars are provided at the corners of the corridor slabs, and the overlapping connecting bars extend into the cast-in-place through-hole column grooves and are connected integrally by cast-in-place.

[0018] To solve the above-mentioned purpose, the present invention also provides a block-based prefabricated elevator shaft standard section, characterized in that it includes multiple block-based prefabricated elevator shaft standard sections; multiple standard sections are formed by at least the first cast-in-place through-filling space and the second cast-in-place through-filling space.

[0019] To solve the above-mentioned purpose, the present invention also provides a construction method for prefabricating standard sections of elevator shafts in blocks, which is characterized by comprising the following steps: S101: Support elevator door panels and / or elevator rear wall panels; S102: Install two elevator side wall panels, the two elevator side wall panels are arranged side by side with a spacing, the first door panel connecting vertical grooves on both sides of the elevator door panel are respectively matched with the first side wall connecting vertical grooves to form a first cast-in-place through-grouting space, and the first cast-in-place through-grouting space is provided with a first cast-in-place structural reinforcement; the first rear wall connecting vertical grooves on both sides of the elevator rear wall panel are respectively matched with the second side wall connecting vertical grooves to form a second cast-in-place through-grouting space, and the second cast-in-place through-grouting space is provided with a second cast-in-place structural reinforcement; S103: Laying the corridor slabs on the elevator side wall slabs.

[0020] To solve the above-mentioned purpose, the present invention also provides a method of forming a block prefabricated elevator shaft standard section through steps S101 to S103 in the above-mentioned construction method of block prefabricated elevator shaft standard section, repeating steps S101 to S103 on a standard section to form the next standard section, and connecting multiple standard sections through at least the first cast-in-place through-grouting space and the second cast-in-place through-grouting space to form a standard section.

[0021] Preferably, when forming the next standard section, a temporary construction board is set up on the shaft space of the previous standard section.

[0022] Preferably, at least the first cast-in-place structural reinforcement connection point and the second cast-in-place structural reinforcement connection point of adjacent standard sections are provided with hand holes.

[0023] The technical effects produced by the above technical solution of the present invention come from one or more of the following combinations: This solution splits the prefabricated standard section into five panels, namely the elevator side wall panel, door panel, rear wall panel and corridor panel. The prefabrication in the factory can be done by horizontal casting, which has low requirements for molds and can be mass-produced with the factory's existing equipment. Moreover, the original whole standard section is split into five, which is convenient for hoisting and transportation. The first cast-in-place structural reinforcement and the second cast-in-place structural reinforcement are connected by connecting reinforcements, which are kept vertically and do not protrude from the groove during installation, so as to facilitate the installation of the side wall panels, door panels and rear wall panels, and then placed horizontally in a vertical state, with the two ends extending between the connecting vertical groove of the first door panel and the connecting vertical groove of the first side wall, and between the connecting vertical groove of the first rear wall and the connecting vertical groove of the second side wall respectively; and the first and second connecting reinforcements are buckle reinforcements, so that the structural reinforcements in the first cast-in-place through-casting space and the second cast-in-place through-casting space include longitudinal reinforcements and stirrups, and the strength is equal to that of cast-in-place; Before pouring concrete or grouting, the connection corners of each component are supported by shaped supports (which can be implemented as angle steel) to keep the entire component stable. This fixation is equivalent to temporarily forming a whole, which is convenient for one-time grouting after the stacking installation of standard sections, thereby improving installation efficiency; At each standard section, a hand hole is set at the position corresponding to the connection between the first cast-in-place structural reinforcement and the second cast-in-place structural reinforcement to facilitate the connection of the steel bars; this avoids the inconvenience of installing the longitudinal reinforcement using a whole steel bar; similarly, a hand hole is also set at the connection of the column reinforcement in the cast-in-place grouted column slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The schematic diagram of the structure of the standard section of the elevator shaft prefabricated in blocks in the present invention is expressed.

[0025] Figure 2 The schematic diagram of the structure of the elevator door panel in the present invention is expressed.

[0026] Figure 3 The schematic diagram of the structure of the elevator side wall panel in the present invention is expressed.

[0027] Figure 4 The schematic diagram of the structure of the rear wall panel of the elevator in the present invention is expressed.

[0028] Figure 5 A perspective view of assembling the elevator side wall panels and the elevator door panels of the present invention is expressed.

[0029] Figure 6 Another assembly viewing angle of the elevator side wall panel and the elevator door panel in the present invention is expressed.

[0030] Figure 7 The schematic diagram of assembling the elevator side wall panel, elevator door panel and elevator rear wall panel in the present invention is expressed.

[0031] Figure 8 The schematic diagram of the structure of the standard section of the elevator shaft prefabricated in blocks in the present invention is expressed.

[0032] Fig. 9 A partial reinforcement diagram of a standard section of a prefabricated elevator shaft in the present invention is shown.

[0033] Fig.10 The hand hole position display and enlarged view of the cast-in-place column trough in the present invention are expressed.

[0034] Fig.11 The hand hole positions and enlarged diagram of the first cast-in-place through-filling space and the second cast-in-place through-filling space in the present invention are expressed.

[0035] Fig.12 The reinforcement layout and enlarged view of the first cast-in-place through-grouting space and the second cast-in-place through-grouting space in the present invention are expressed.

[0036] Among them: 1. Elevator side wall panel; 1a. Corridor space; 1b. Hoistway space; 10. First hand hole; 100. Cast-in-place column groove; 1001. Column reinforcement; 1002. First connector; 101. First side wall connecting vertical groove; 102. Second side wall connecting vertical groove; 11. First cast-in-place structural reinforcement; 111. First pivot reinforcement; 112. First connecting reinforcement; 113. First longitudinal stopper; 114. First horizontal stopper; 115. First structural longitudinal reinforcement; 12. Second cast-in-place structural reinforcement; 121. Two pivot bars; 122, second connecting bars; 124, second horizontal limiting bars; 125, second structural longitudinal bars; 2, elevator door panels; 20, second hand holes; 200, first cast-in-place pouring space; 2002, second connector; 201, first door panel connecting vertical groove; 3, elevator rear wall panel; 30, third hand holes; 300, second cast-in-place pouring space; 3002, third connector; 301, first rear wall connecting vertical groove; 4, corridor panels; 41, overlapping connecting bars; 5, temporary construction panels; 6, shaped support members. DETAILED DESCRIPTION

[0037] The following description is given to enable those skilled in the art to implement and use the invention and incorporate it into a specific application context. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the general principles defined herein are applicable to a wide range of embodiments. Thus, the present invention is not limited to the embodiments given herein, but should be granted the broadest scope consistent with the principles and novel features disclosed herein.

[0038] In the following detailed description, many specific details are set forth to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the practice of the present invention need not be limited to these specific details. In other words, known structures and devices are shown in block diagram form without detailed display to avoid obscuring the present invention.

[0039] The reader is reminded of all documents and literature filed simultaneously with this specification and open to public inspection, and the contents of all such documents and literature are incorporated herein by reference. Unless otherwise directly stated, all features disclosed in this specification (including any attached claims, abstracts and drawings) can be replaced by alternative features for achieving the same, equivalent or similar purposes. Therefore, unless otherwise explicitly stated, each feature disclosed is only an example of a group of equivalent or similar features.

[0040] Note that, where used, the symbols left, right, front, back, top, bottom, forward, reverse, clockwise and counterclockwise are used only for convenience and do not imply any specific fixed direction. In fact, they are used to reflect the relative position and / or direction between the various parts of the object. In addition, the terms "first" and "second" are used only for descriptive purposes and should not be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Note that, in the case of use, further, preferably, further and more preferably are simple beginnings for explaining another embodiment based on the previous embodiment, and the content of further, preferably, further or more preferably followed by the above embodiment is combined with the previous embodiment as a complete composition of another embodiment. Several further, preferably, further or more preferably settings followed by the same embodiment can be arbitrarily combined to form another embodiment.

[0043] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. Note that the aspects described below in conjunction with the accompanying drawings and specific embodiments are only exemplary and should not be construed as limiting the scope of protection of the present invention in any way.

[0044] Figure 1 It is a structural schematic diagram of a standard section of a prefabricated elevator shaft, in which the first cast-in-place structural reinforcement, the second cast-in-place structural reinforcement and the column reinforcement have been arranged, and the first connecting reinforcement and the second connecting reinforcement have been turned over and put aside. Figure 2 It is a structural diagram of an elevator door panel. Figure 3 It is a structural schematic diagram of an elevator side wall panel. Since the structure and function of the second longitudinal limit member are the same as those of the first longitudinal limit member, the second longitudinal limit member is not shown in the diagram. Figure 4 It is a structural diagram of the elevator rear wall panel. Figure 5 This is an assembly perspective diagram of the elevator side wall panel and the elevator door panel. In this state, the fixed support parts are used to fix the corners of the two to facilitate subsequent grouting. Figure 6 This is another assembly perspective of the elevator side wall panel and the elevator door panel. The four fixed support parts in the figure are used to fix the corners of the two to facilitate subsequent grouting. Figure 7It is an assembly diagram of the elevator side wall panels, elevator door panels and elevator rear wall panels. The six shaped support members in the figure are respectively arranged at the corners of the elevator door panels and the elevator rear wall panels for pre-fixation to facilitate subsequent grouting. Figure 8 It is a structural diagram of a standard section of a prefabricated elevator shaft, which includes two standard sections and has completed the assembly of dry construction. Fig. 9 It is a partial reinforcement display diagram of a standard section of a prefabricated elevator shaft, which aims to show the reinforcement status of the elevator door panel and the elevator rear wall panel. At this time, the first cast-in-place structural reinforcement and the second cast-in-place structural reinforcement are both in the form of a steel cage structure (forming stirrups and longitudinal reinforcement). Fig.10 It is a display and enlarged view of the hand hole position of the cast-in-place grouting column trough, where (Ⅰ) is an enlarged display of Ⅰ marked in the red frame. Fig.11 It is a display and enlarged view of the hand hole positions of the first cast-in-place through-grouting space and the second cast-in-place through-grouting space, where (Ⅱ) is an enlarged display of Ⅱ marked in the red frame. Fig.12 It is a display and enlarged view of the reinforcement layout of the first cast-in-place through-grouting space and the second cast-in-place through-grouting space, among which (III) is an enlarged display of III marked in the red frame.

[0045] Structural Example 1: See also Figure 1 to Figure 7 The present embodiment provides a block-based prefabricated elevator shaft standard section, which includes at least two elevator side wall panels 1, an elevator door panel 2, an elevator rear wall panel 3, and a corridor panel 4. The two elevator side wall panels 1 are arranged side by side with a spacing, and a first side wall connecting vertical groove 101 is provided on the elevator side wall panel 1 at the elevator door position, and a second side wall connecting vertical groove 102 is provided on the elevator side wall panel 1 at the rear wall position; first door panel connecting vertical grooves 201 are provided on both sides of the elevator door panel 2, and the elevator door panel 2 is located between the two elevator side wall panels 1, and the first door panel connecting vertical grooves 201 on both sides of the elevator door panel 2 respectively form a first cast-in-place through-filling space with the first side wall connecting vertical grooves 101. 200, a first cast-in-place structural reinforcement 11 is arranged in the first cast-in-place through-filling space 200; first rear wall connecting vertical grooves 301 are arranged on both sides of the elevator rear wall panel 3, the elevator rear wall panel 3 is located between the two elevator side wall panels 1, and the first rear wall connecting vertical grooves 301 on both sides of the elevator rear wall panel 3 are respectively connected with the second side wall connecting vertical grooves 102 to form a second cast-in-place through-filling space 300, and a second cast-in-place structural reinforcement 12 is arranged in the second cast-in-place through-filling space 300; the corridor slab 4 is laid on the elevator side wall panel 1.

[0046] As is well known, the structure of adding an elevator to an existing building includes a shaft and a corridor, the shaft is used to install the elevator, and the corridor is used to connect the existing building. As described above, the space formed between the two elevator side wall panels 1 is divided into a shaft space 1b and a corridor space 1a by the elevator door panel 2, and the shaft space 1b is formed between the elevator rear wall panel 3 and the elevator door panel 2.

[0047] Elevator side wall panel 1: See also Figure 3 The elevator side wall panel 1 is prefabricated in the factory, and a first side wall connecting vertical groove 101 and a second side wall connecting vertical groove 102 are formed by a mold at the connection between the elevator door panel 2 and the elevator rear wall panel 3. The groove is a vertical groove with a side opening for subsequent splicing and pouring of the elevator door panel 2 and the elevator rear wall panel 3 (cast-in-place construction).

[0048] For further information, see Figure 3 Combined with Figure 5 and Figure 7 , the preset parts of the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 are arranged in advance in the first side wall connecting vertical groove 101 and the second side wall connecting vertical groove 102. It should be noted that this is a preferred implementation of this embodiment. As another implementation, the preset parts of the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 can also be respectively arranged in the first door panel connecting vertical groove 201 and the first rear wall connecting vertical groove 301.

[0049] For details, please combine Figure 2 , Figure 3 , Fig. 9 and Fig.12 The first cast-in-place structural reinforcement 11 includes a first pivot reinforcement 111, a first connecting reinforcement 112, and a first horizontal limiting reinforcement 114 ( Figure 2 )、the first longitudinal stopper 113 and the first structural longitudinal reinforcement 115 ( Fig. 9 ). First, the first pivoting rib 111 is arranged in the first side wall connecting vertical groove 101, and a plurality of them are arranged continuously and spaced along the direction of the groove length, the purpose of which is to install the first connecting rib 112, and the first connecting rib 112 is preferably implemented as a buckle hoop, so the spacing can be arranged according to the hoop arrangement standard of the steel cage. The first horizontal limiting rib 114 is located on one side of the first pivoting rib 111, and is provided for the first connecting rib 112 to be horizontally turned over and placed. Here, the first horizontal limiting rib 114 can be arranged in the first side wall connecting vertical groove 101, or in the first door panel connecting vertical groove 201 at the opposite position after assembly. The number of the first limiting ribs 114 corresponds to the number of the first connecting ribs 112, and is intended to cooperate with the first pivoting rib 111 to provide a carrier for the first connecting rib 112 to be placed horizontally.

[0050] See also Figure 3, the first connecting rib is pivoted to the first pivot rib 111, and the pivot point is lower than the center of gravity of the first connecting rib; and at least in the vertical direction, the first connecting rib 112 forms a horizontal tipping tendency due to the center of gravity deviating from the pivot point. Specifically, the first connecting rib 112 is preferably a buckle rib. During pre-installation, the first connecting rib 112 should be arranged on the first pivot rib 111 to maintain a vertical state and the position does not protrude from the slot (the first side wall connecting vertical slot 101 or the first door panel connecting vertical slot 201, depending on which slot it is installed in). Specifically, a circular ring is formed at the lower half of the height of the first connecting rib 112 (not shown in the figure, but a person skilled in the art should be able to know its position according to the text description), and the circular ring is sleeved on the first pivot rib 111 so that it can rotate around the first pivot rib 111. Therefore, the weight of the upper part of the pivot point of the first connecting rib 112 of the buckle rib structure is large, and it is easy to tip over toward the first horizontal limit rib 114 and be placed in a horizontal state. The first horizontal limiting rib 114 is located on one side of the first pivoting rib 111, and is provided for the first connecting rib 112 to be turned over and placed horizontally. In order to maintain the vertical state of the first connecting rib 112 during pre-installation (assembly and installation before cast-in-place), the first longitudinal limiting member 113 is detachably provided in the first cast-in-place pouring space 200, and limits the first connecting rib 112 to maintain a vertical state. Preferably, the first longitudinal limiting member 113 is selected from a rope, a rod, a strip, or an elastic stretching object that longitudinally stretches the buckle ribs to maintain a vertical state. In this embodiment, as a preferred implementation, the first longitudinal limiting member 113 is selected as a rubber band, and all the original buckle ribs are upright, and are stretched straight by this rubber band, and pulled to a horizontal state during cast-in-place. Specifically, this embodiment uses the pivot point as the position standard, connects the lower parts of adjacent ring buckle bars with lighter weight in sequence through rubber bands, and keeps the rubber bands in a straight prestressed state, while the upper parts of the ring buckle bars with heavier weight should be located in front of the rubber bands (i.e., the side facing the first horizontal limiting rib 114), because to prevent the ring buckle bars from falling in the opposite direction to the first horizontal limiting rib 114, a limiting member, such as a plug rod (not shown), is provided, which is located on the side of the ring buckle bars facing the first horizontal limiting rib 114 to prevent the ring buckle bars from falling in advance. During cast-in-place, it is only necessary to pull out the plug rod, push the top ring buckle bars toward the first horizontal limiting rib 114, and pull up the lower part of the ring buckle bars driven by the rubber bands, forming a chain effect to tilt each replacement buckle bar toward the first horizontal limiting rib 114 and place it on the first horizontal limiting rib 114, and keep the two ends of the ring buckle bars extending in the first side wall connecting vertical groove 101 and the first door panel connecting vertical groove 201 respectively. Finally, at least two first structural longitudinal bars 115 are respectively vertically inserted into the first side wall connecting vertical groove 101 and the first door panel connecting vertical groove 201 to form a steel cage structure (including stirrups and longitudinal bars).

[0051] It should be noted that the use of rubber bands as the first longitudinal limit member 113 is only a more economical implementation method and is not the only limitation; it can also use connecting rods, etc., for example, the two ends of the connecting rod are connected to the lighter lower part of the adjacent ring buckle rib through a ring pivot to achieve this effect.

[0052] Similarly, please combine Figure 2 , Figure 3 , Fig. 9 and Fig.12 The structure and function of the second cast-in-place structural reinforcement 12 are equivalent to the first cast-in-place structural reinforcement 11, and the difference is that it connects the elevator rear wall panel 3 and the elevator side wall panel 1. The second cast-in-place structural reinforcement 12 includes a second pivoting reinforcement 121, a second connecting reinforcement 122, a second horizontal limiting reinforcement 124, a second longitudinal limiting member, and a second structural longitudinal reinforcement 125. Therefore, preferably, the second pivoting reinforcement 121 is arranged in the second side wall connecting vertical groove 102, and the second horizontal limiting reinforcement 124 is arranged in the first rear wall connecting vertical groove 301; the second longitudinal limiting member is also preferably a rubber band, and its connection method is equivalent to the first longitudinal limiting member 113, which will not be repeated here, and ordinary technicians in this field can know it; at least two second structural longitudinal reinforcements 125 are respectively vertically inserted in the second side wall connecting vertical groove 102 and the first rear wall connecting vertical groove 301 to form a steel cage structure (including stirrups and longitudinal reinforcement).

[0053] For further information, see Fig.11 , the standard sections provided in this embodiment are connected in layers by pouring; when adjacent standard sections are installed, the first structural longitudinal bars 115 of the two sections are connected by the second connector 2002, so a second hand hole 20 is provided at the connection between the two sections in the first cast-in-place pouring space 200, so that it is convenient for manual connection of the first structural longitudinal bars 115 by the second connector 2002. The second hand hole can be provided on the elevator side wall panel 1 or the elevator door panel 2, so as to realize connection.

[0054] Similarly, see Fig.11 The second structural longitudinal reinforcement 125 of the two is connected through the third connector 3002, so a third hand hole 30 is set at the connection between the second cast-in-place pouring space 300 and the second structural longitudinal reinforcement 125, so as to facilitate manual connection with the third connector 3002. The position of the third hand hole can be set on the elevator side wall panel 1 or the elevator door panel 2, so as to realize the connection.

[0055] Furthermore, please combine Figure 5 and Fig.10In order to achieve the same structural strength as cast-in-place, several more reinforcing column structures can be set at standard corners or vertical load bearing locations. Specifically, cast-in-place column grooves 100 are formed at the corners of the elevator side wall panel 1 corresponding to the corridor space 1a or the shaft space 1b. Column bars 1001 are set in the cast-in-place column grooves 100 to form a reinforcing column structure after casting. Figure 6 As shown, four reinforcing column structures are arranged on each elevator side wall panel 1, which are respectively located on both sides of the connection of the elevator door panel 2 and the front and rear sides of the elevator side wall panel 1, so as to strengthen the overall structural strength. Similarly, the column reinforcement 1001 of adjacent standard sections can also be connected through the first connector 1002, so the first hand hole 10 is arranged at the connection of the column reinforcement 1001 on the elevator side wall panel 1 to facilitate manual connection.

[0056] Elevator door panel 2: Please combine Figure 2 and Figure 5 , first door panel connecting vertical grooves 201 are provided on both sides of the elevator door panel 2. As described above, the first connecting ribs 112, the first pivoting ribs 111, and the first horizontal limiting ribs 114 of the first cast-in-place structural ribs 11 can also be provided in the first door panel connecting vertical grooves 201. However, as a preferred implementation of this embodiment, the first horizontal limiting ribs 114 are provided in the first door panel connecting vertical grooves 201, and are arranged in sequence along the direction of the groove length, and their positions and quantities correspond to the first pivoting ribs 111, and the first pivoting ribs 111 are used to realize the horizontal placement of the first connecting ribs 112.

[0057] A second hand hole 20 is provided at the bottom of the elevator door panel 2. The position of the second hand hole 20 corresponds to the first door panel connecting vertical groove 201, so as to facilitate the connection of the first structural longitudinal reinforcement 115 with the adjacent standard section.

[0058] It should be noted that an elevator door opening is also provided in the elevator door panel 2, which is common knowledge and will not be described in detail.

[0059] Elevator rear wall panel 3: Please combine Figure 4 and Figure 7 , first rear wall connecting vertical grooves 301 are provided on both sides of the elevator rear wall plate 3. As described above, the second connecting ribs 122, the second pivot ribs 121, and the second horizontal limiting ribs 124 of the second cast-in-place structural ribs 12 can also be provided in the first rear wall connecting vertical grooves 301. However, as a preferred implementation of this embodiment, the second horizontal limiting ribs 124 are provided in the first rear wall connecting vertical grooves 301, and are arranged in sequence along the groove length. The positions and quantities thereof correspond to the second pivot ribs 121, and the second pivot ribs 121 are used to realize the horizontal placement of the second connecting ribs 122.

[0060] A third hand hole 30 is provided at the bottom of the elevator rear wall panel 3 , and the position of the third hand hole 30 corresponds to the first rear wall connecting vertical groove 301 , so as to facilitate the connection of the second structural longitudinal reinforcement 125 with the adjacent standard section.

[0061] Corridor slab 4: Please combine Figure 1 , Figure 5 and Figure 6 The corridor slab 4 is used to provide a corridor passage in cooperation with the corridor space 1a. The corridor slab 4 of this embodiment is a prefabricated slab, and overlapping connecting bars 41 are provided at the corners of the corridor slab 4. The overlapping connecting bars 41 extend into the cast-in-place column groove 100 and are cast-in-place integrally connected. Preferably, the overlapping connecting bars 41 are implemented as U-shaped bars, and the column bars 1001 are inserted into the U-shaped bars. The connecting effect is formed on the elevator side wall slab 1 through grouting of the cast-in-place column groove 100. At the same time, the U-shaped bars cooperate with the column bars 1001 to form a steel cage structure that strengthens the column structure.

[0062] Shaped support 6: See also Figure 1 , and combined with Figure 5~Figure 6 , multiple shaped support members 6 are arranged at least at the corner where the elevator side wall panel 1 and the elevator door panel 2 are connected; and / or at the corner where the elevator side wall panel 1 and the elevator rear wall panel 3 are connected; and / or on the side of the elevator side wall panel 1 facing the corridor space 1a.

[0063] In this embodiment, the shaped support member 6 is implemented as an angle steel structure, which includes an angle steel and is reinforced with two triangular plates. The shaped support member 6 is used to reinforce the elevator side wall panel 1, the elevator door panel 2 and the elevator rear wall panel 3 before they are cast in situ. On the other hand, it is used to temporarily support the corridor panel 4. On the other hand, it can also serve as a temporary support for the temporary construction panel 5 when the shaft space 1b needs to support the temporary construction panel 5.

[0064] Therefore, in this embodiment, an angle steel structure is set at the corner where the elevator side wall panel 1 and the elevator rear wall panel 3 are connected, and an upper and lower layer are set respectively; similarly, an angle steel structure is set at the corner where the elevator side wall panel 1 and the elevator door panel 2 are connected, and an upper and lower layer are set respectively; angle steel structures are set at the four corners of the corridor space 1a corresponding to the positions of the corridor panels 4, for supporting the corridor panels 4; angle steel structures are set at the four corners of the temporary construction panels 5 in the shaft space 1b, for supporting the temporary construction panels 5.

[0065] Beneficial effects of this embodiment: This solution splits the prefabricated standard section into five panels, namely the elevator side wall panel, door panel, rear wall panel and corridor panel. The prefabrication in the factory can be done by horizontal casting, which has low requirements for molds and can be mass-produced with the factory's existing equipment. Moreover, the original standard section is split into five panels, which is convenient for hoisting and transportation. The first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 are connected by connecting reinforcements, and are kept vertically without protruding from the groove during installation, so as to facilitate the installation of the side wall panels, door panels and rear wall panels, and then placed horizontally in a vertical state, with the two ends extending between the first door panel connecting vertical groove 201 and the first side wall connecting vertical groove 101, and between the first rear wall connecting vertical groove 301 and the second side wall connecting vertical groove 102; and the first and second connecting reinforcements 122 are buckle reinforcements, so that the structural reinforcements in the first cast-in-place through-pouring space 200 and the second cast-in-place through-pouring space 300 include longitudinal reinforcements and stirrups, and the strength is equal to that of cast-in-place; Before pouring concrete or grouting, the shaped support 6 (which can be implemented as angle steel) is used to support the connecting corners of each component to keep the entire component stable. This fixation is equivalent to temporarily forming a whole, which is convenient for one-time pouring after the stacking installation of the standard section, thereby improving the installation efficiency; At each standard section, a hand hole is provided at a position corresponding to the connection between the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 to facilitate the connection of the reinforcement; this avoids the inconvenience of installing the longitudinal reinforcement using a whole steel bar; similarly, a hand hole is also provided at the connection between the column reinforcement 1001 in the cast-in-place grouted column slot 100.

[0066] Structural Example 2: See also Figure 8 , and combined with Figure 1 to Figure 7 This embodiment provides a block prefabricated elevator shaft standard section, including multiple block prefabricated elevator shaft standard sections provided in structural embodiment 1; multiple standard sections are connected and formed by at least a first cast-in-place through-casting space 200 and a second cast-in-place through-casting space 300. Furthermore, multiple standard sections are also cast-in-place connected by a cast-in-place through-casting column groove 100.

[0067] The standard section includes at least two elevator side wall panels 1, an elevator door panel 2, an elevator rear wall panel 3 and a corridor panel 4. The two elevator side wall panels 1 are arranged side by side with a spacing, and the elevator side wall panels 1 are provided with a first side wall connecting vertical groove 101 at the elevator door position, and the elevator side wall panels 1 are provided with a second side wall connecting vertical groove 102 at the rear wall position; the elevator door panels 2 are provided with first door panel connecting vertical grooves 201 on both sides, and the elevator door panels 2 are located between the two elevator side wall panels 1, and the first door panel connecting vertical grooves 201 on both sides of the elevator door panels 2 respectively form a first cast-in-place through-filling space with the first side wall connecting vertical grooves 101. 200, a first cast-in-place structural reinforcement 11 is arranged in the first cast-in-place through-filling space 200; first rear wall connecting vertical grooves 301 are arranged on both sides of the elevator rear wall panel 3, the elevator rear wall panel 3 is located between the two elevator side wall panels 1, and the first rear wall connecting vertical grooves 301 on both sides of the elevator rear wall panel 3 are respectively connected with the second side wall connecting vertical grooves 102 to form a second cast-in-place through-filling space 300, and a second cast-in-place structural reinforcement 12 is arranged in the second cast-in-place through-filling space 300; the corridor slab 4 is laid on the elevator side wall panel 1.

[0068] As is well known, the structure of adding an elevator to an existing building includes a shaft and a corridor, the shaft is used to install the elevator, and the corridor is used to connect the existing building. As described above, the space formed between the two elevator side wall panels 1 is divided into a shaft space 1b and a corridor space 1a by the elevator door panel 2, and the shaft space 1b is formed between the elevator rear wall panel 3 and the elevator door panel 2.

[0069] Elevator side wall panel 1: See also Figure 3 The elevator side wall panel 1 is prefabricated in the factory, and a first side wall connecting vertical groove 101 and a second side wall connecting vertical groove 102 are formed by a mold at the connection between the elevator door panel 2 and the elevator rear wall panel 3. The groove is a vertical groove with a side opening for subsequent splicing and pouring of the elevator door panel 2 and the elevator rear wall panel 3 (cast-in-place construction).

[0070] For further information, see Figure 3 Combined with Figure 5 and Figure 7 , the preset parts of the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 are arranged in advance in the first side wall connecting vertical groove 101 and the second side wall connecting vertical groove 102. It should be noted that this is a preferred implementation of this embodiment. As another implementation, the preset parts of the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 can also be respectively arranged in the first door panel connecting vertical groove 201 and the first rear wall connecting vertical groove 301.

[0071] For details, please combine Figure 2 , Figure 3 , Fig. 9 and Fig.12The first cast-in-place structural reinforcement 11 includes a first pivoting reinforcement 111, a first connecting reinforcement 112, a first horizontal limiting reinforcement 114, a first longitudinal limiting piece 113 and a first structural longitudinal reinforcement 115. First, the first pivoting reinforcement 111 is arranged in the first side wall connecting vertical groove 101, and a plurality of them are arranged continuously and spaced along the direction of the groove length, the purpose of which is to install the first connecting reinforcement 112, and the first connecting reinforcement 112 is preferably implemented as a ring-buckle stirrup, so the spacing can be arranged according to the stirrup arrangement standard of the steel cage. The first horizontal limiting reinforcement 114 is located on one side of the first pivoting reinforcement 111, and is provided for the first connecting reinforcement 112 to be horizontally turned over and placed. Here, the first horizontal limiting reinforcement 114 can be arranged in the first side wall connecting vertical groove 101, or in the first door panel connecting vertical groove 201 at the opposite position after assembly. The number of the first horizontal limiting reinforcement 114 corresponds to the number of the first connecting reinforcement 112, and is intended to cooperate with the first pivoting reinforcement 111 to provide a carrier for the first connecting reinforcement 112 to be placed horizontally.

[0072] See also Figure 3, the first connecting rib is pivoted to the first pivot rib 111, and the pivot point is lower than the center of gravity of the first connecting rib; and at least in the vertical direction, the first connecting rib 112 forms a horizontal tipping tendency due to the deviation of the center of gravity from the pivot point. Specifically, the first connecting rib 112 is preferably a buckle rib. During pre-installation, the first connecting rib 112 should be arranged on the first pivot rib 111 to maintain a vertical state and the position should not protrude from the slot (the first side wall connecting vertical slot 101 or the first door panel connecting vertical slot 201, depending on which slot it is installed in). Specifically, a circular ring is formed at the half-height position of the first connecting rib 112, and the circular ring is sleeved on the first pivot rib 111 so that it can rotate around the first pivot rib 111. Therefore, the self-weight of the upper part of the pivot point of the first connecting rib 112 of the buckle rib structure is large, and it is easy to tip over toward the first horizontal limit rib 114 and be placed in a horizontal state. The first horizontal limiting rib 114 is located on one side of the first pivoting rib 111, and is provided for the first connecting rib 112 to be turned over and placed horizontally. In order to maintain the vertical state of the first connecting rib 112 during pre-installation (assembly and installation before cast-in-place), the first longitudinal limiting member 113 is detachably provided in the first cast-in-place pouring space 200, and limits the first connecting rib 112 to maintain a vertical state. Preferably, the first longitudinal limiting member 113 is selected from a rope, a rod, a strip, or an elastic stretching object that longitudinally stretches the buckle ribs to maintain a vertical state. In this embodiment, as a preferred implementation, the first longitudinal limiting member 113 is selected as a rubber band, and all the original buckle ribs are upright, and are stretched straight by this rubber band, and pulled to a horizontal state during cast-in-place. Specifically, this embodiment uses the pivot point as the position standard, connects the lower parts of adjacent ring buckle bars with lighter weight in sequence through rubber bands, and keeps the rubber bands in a straight prestressed state, while the upper parts of the ring buckle bars with heavier weight should be located in front of the rubber bands (i.e., the side facing the first horizontal limiting rib 114), because to prevent the ring buckle bars from falling in the opposite direction to the first horizontal limiting rib 114, a limiting member, such as a plug rod (not shown), is provided, which is located on the side of the ring buckle bars facing the first horizontal limiting rib 114 to prevent the ring buckle bars from falling in advance. During cast-in-place, it is only necessary to pull out the plug rod, push the top ring buckle bars toward the first horizontal limiting rib 114, and pull up the lower part of the ring buckle bars driven by the rubber bands, forming a chain effect to tilt each replacement buckle bar toward the first horizontal limiting rib 114 and place it on the first horizontal limiting rib 114, and keep the two ends of the ring buckle bars extending in the first side wall connecting vertical groove 101 and the first door panel connecting vertical groove 201 respectively. Finally, at least two first structural longitudinal bars 115 are respectively vertically inserted into the first side wall connecting vertical groove 101 and the first door panel connecting vertical groove 201 to form a steel cage structure (including stirrups and longitudinal bars).

[0073] It should be noted that the use of rubber bands as the first longitudinal limit member 113 is only a more economical implementation method and is not the only limitation; it can also use connecting rods, etc., for example, the two ends of the connecting rod are connected to the lighter lower part of the adjacent ring buckle rib through a ring pivot to achieve this effect.

[0074] Similarly, please combine Figure 2 , Figure 3 , Fig. 9 and Fig.12 The structure and function of the second cast-in-place structural reinforcement 12 are equivalent to the first cast-in-place structural reinforcement 11, and the difference is that it connects the elevator rear wall panel 3 and the elevator side wall panel 1. The second cast-in-place structural reinforcement 12 includes a second pivoting reinforcement 121, a second connecting reinforcement 122, a second horizontal limiting reinforcement 124, a second longitudinal limiting member, and a second structural longitudinal reinforcement 125. Therefore, preferably, the second pivoting reinforcement 121 is arranged in the second side wall connecting vertical groove 102, and the second horizontal limiting reinforcement 124 is arranged in the first rear wall connecting vertical groove 301; the second longitudinal limiting member is also preferably a rubber band, and its connection method is equivalent to the first longitudinal limiting member 113, which will not be repeated here, and ordinary technicians in this field can know it; at least two second structural longitudinal reinforcements 125 are respectively vertically inserted in the second side wall connecting vertical groove 102 and the first rear wall connecting vertical groove 301 to form a steel cage structure (including stirrups and longitudinal reinforcement).

[0075] For further information, see Fig.11 , the standard sections provided in this embodiment are connected in layers by pouring; when adjacent standard sections are installed, the first structural longitudinal bars 115 of the two sections are connected by the second connector 2002, so a second hand hole 20 is provided at the connection between the two sections in the first cast-in-place pouring space 200, so that it is convenient for manual connection of the first structural longitudinal bars 115 by the second connector 2002. The second hand hole can be provided on the elevator side wall panel 1 or the elevator door panel 2, so as to realize connection.

[0076] Similarly, see Fig.11 The second structural longitudinal reinforcement 125 of the two is connected through the third connector 3002, so a third hand hole 30 is set at the connection between the second cast-in-place pouring space 300 and the second structural longitudinal reinforcement 125, so as to facilitate manual connection with the third connector 3002. The position of the third hand hole can be set on the elevator side wall panel 1 or the elevator door panel 2, so as to realize the connection.

[0077] Furthermore, please combine Figure 5 and Fig.10In order to achieve the same structural strength as cast-in-place, several more reinforcing column structures can be provided at standard corners or vertical load bearing locations. Specifically, a cast-in-place column groove 100 is formed at the corner of the elevator side wall panel 1 corresponding to the corridor space 1a or the shaft space 1b, and a column reinforcement 1001 is provided in the cast-in-place column groove 100, and a reinforcing column structure is formed after casting. As shown in the figure, four reinforcing column structures are provided on each elevator side wall panel 1, which are respectively located on both sides of the connection of the elevator door panel 2 and the front and rear sides of the elevator side wall panel 1, thereby strengthening the overall structural strength. Similarly, the column reinforcements 1001 of adjacent standard sections can also be connected through the first connector 1002, so a first hand hole 10 is provided at the connection of the column reinforcements 1001 on the elevator side wall panel 1 to facilitate manual connection.

[0078] Elevator door panel 2: Please combine Figure 2 and Figure 5 , first door panel connecting vertical grooves 201 are provided on both sides of the elevator door panel 2. As described above, the first connecting ribs 112, the first pivoting ribs 111, and the first horizontal limiting ribs 114 of the first cast-in-place structural ribs 11 can also be provided in the first door panel connecting vertical grooves 201. However, as a preferred implementation of this embodiment, the first horizontal limiting ribs 114 are provided in the first door panel connecting vertical grooves 201, and are arranged in sequence along the direction of the groove length, and their positions and quantities correspond to the first pivoting ribs 111, and the first pivoting ribs 111 are used to realize the horizontal placement of the first connecting ribs 112.

[0079] A second hand hole 20 is provided at the bottom of the elevator door panel 2. The position of the second hand hole 20 corresponds to the first door panel connecting vertical groove 201, so as to facilitate the connection of the first structural longitudinal reinforcement 115 with the adjacent standard section.

[0080] It should be noted that an elevator door opening is also provided in the elevator door panel 2, which is common knowledge and will not be described in detail.

[0081] Elevator rear wall panel 3: Please combine Figure 4 and Figure 7 , first rear wall connecting vertical grooves 301 are provided on both sides of the elevator rear wall plate 3. As described above, the second connecting ribs 122, the second pivot ribs 121, and the second horizontal limiting ribs 124 of the second cast-in-place structural ribs 12 can also be provided in the first rear wall connecting vertical grooves 301. However, as a preferred implementation of this embodiment, the second horizontal limiting ribs 124 are provided in the first rear wall connecting vertical grooves 301, and are arranged in sequence along the groove length. The positions and quantities thereof correspond to the second pivot ribs 121, and the second pivot ribs 121 are used to realize the horizontal placement of the second connecting ribs 122.

[0082] A third hand hole 30 is provided at the bottom of the elevator rear wall panel 3 , and the position of the third hand hole 30 corresponds to the first rear wall connecting vertical groove 301 , so as to facilitate the connection of the second structural longitudinal reinforcement 125 with the adjacent standard section.

[0083] Corridor slab 4: Please combine Figure 1 , Figure 5 and Figure 6 The corridor slab 4 is used to provide a corridor passage in cooperation with the corridor space 1a. The corridor slab 4 of this embodiment is a prefabricated slab, and overlapping connecting bars 41 are provided at the corners of the corridor slab 4. The overlapping connecting bars 41 extend into the cast-in-place column groove 100 and are cast-in-place integrally connected. Preferably, the overlapping connecting bars 41 are implemented as U-shaped bars, and the column bars 1001 are inserted into the U-shaped bars. The connecting effect is formed on the elevator side wall slab 1 through grouting of the cast-in-place column groove 100. At the same time, the U-shaped bars cooperate with the column bars 1001 to form a steel cage structure that strengthens the column structure.

[0084] Shaped support 6: See also Figure 1 , and combined with Figure 5~Figure 6 , multiple shaped support members 6 are arranged at least at the corner where the elevator side wall panel 1 and the elevator door panel 2 are connected; and / or at the corner where the elevator side wall panel 1 and the elevator rear wall panel 3 are connected; and / or on the side of the elevator side wall panel 1 facing the corridor space 1a.

[0085] In this embodiment, the shaped support member 6 is implemented as an angle steel structure, which includes an angle steel and is reinforced with two triangular plates. The shaped support member 6 is used to reinforce the elevator side wall panel 1, the elevator door panel 2 and the elevator rear wall panel 3 before they are cast in situ. On the other hand, it is used to temporarily support the corridor panel 4. On the one hand, it can also serve as a temporary support for the temporary construction panel 5 when the shaft space 1b needs to support the temporary construction panel 5.

[0086] Therefore, in this embodiment, an angle steel structure is set at the corner where the elevator side wall panel 1 and the elevator rear wall panel 3 are connected, and an upper and lower layer are set respectively; similarly, an angle steel structure is set at the corner where the elevator side wall panel 1 and the elevator door panel 2 are connected, and an upper and lower layer are set respectively; angle steel structures are set at the four corners of the corridor space 1a corresponding to the positions of the corridor panels 4, for supporting the corridor panels 4; angle steel structures are set at the four corners of the temporary construction panels 5 in the shaft space 1b, for supporting the temporary construction panels 5.

[0087] Adjacent standard sections are stacked and installed, and each standard section is installed in sequence through the elevator side wall panel 1, elevator door panel 2, elevator rear wall panel 3 and corridor panel 4, and is shaped and supported by the angle steel structure. Finally, grouting is performed in the first cast-in-place pouring space 200, the second cast-in-place pouring space 300 and the cast-in-place pouring column groove 100, and a column structure is formed in the space and groove, and its strength is equivalent to that of cast-in-place.

[0088] Beneficial effects of this embodiment: This solution splits the prefabricated standard section into five panels, namely the elevator side wall panel, door panel, rear wall panel and corridor panel. The prefabrication in the factory can be done by horizontal casting, which has low requirements for molds and can be mass-produced with the factory's existing equipment. Moreover, the original standard section is split into five panels, which is convenient for hoisting and transportation. The first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 are connected by connecting reinforcements, and are kept vertically without protruding from the groove during installation, so as to facilitate the installation of the side wall panels, door panels and rear wall panels, and then placed horizontally in a vertical state, with the two ends extending between the first door panel connecting vertical groove 201 and the first side wall connecting vertical groove 101, and between the first rear wall connecting vertical groove 301 and the second side wall connecting vertical groove 102; and the first and second connecting reinforcements 122 are buckle reinforcements, so that the structural reinforcements in the first cast-in-place through-pouring space 200 and the second cast-in-place through-pouring space 300 include longitudinal reinforcements and stirrups, and the strength is equal to that of cast-in-place; Before pouring concrete or grouting, the shaped support 6 (which can be implemented as angle steel) is used to support the connecting corners of each component to keep the entire component stable. This fixation is equivalent to temporarily forming a whole, which is convenient for one-time pouring after the stacking installation of the standard section, thereby improving the installation efficiency; At each standard section, a hand hole is provided at a position corresponding to the connection between the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 to facilitate the connection of the reinforcement; this avoids the inconvenience of installing the longitudinal reinforcement using a whole steel bar; similarly, a hand hole is also provided at the connection between the column reinforcement 1001 in the cast-in-place grouted column slot 100.

[0089] Method Example: This embodiment provides a construction method for prefabricating standard sections of an elevator shaft in blocks, which includes a construction method for standard sections.

[0090] First, the construction methods of the standard section include: S101: Supporting the elevator door panel 2 and / or the elevator rear wall panel 3.

[0091] See also Figure 2 In conjunction with Figure 7, a first door panel connecting vertical groove 201 is provided on both sides of the elevator door panel 2. The first horizontal limiting ribs 114 are provided in the first door panel connecting vertical groove 201, and are arranged in sequence along the groove length. The positions and quantities thereof correspond to the first pivoting ribs 111, and the first connecting ribs 112 are horizontally placed in cooperation with the first pivoting ribs 111. A second hand hole 20 is provided at the bottom of the elevator door panel 2, and the position of the second hand hole 20 corresponds to the first door panel connecting vertical groove 201, so as to facilitate the connection of the first structural longitudinal ribs 115 with the adjacent standard section.

[0092] A first rear wall connection vertical groove 301 is provided on both sides of the elevator rear wall plate 3. The second horizontal limit ribs 124 are provided in the first rear wall connection vertical groove 301 and are arranged in sequence along the groove length. The positions and quantities thereof correspond to the second pivot ribs 121, and the second pivot ribs 121 are used to realize the horizontal placement of the second connection ribs 122. A third hand hole 30 is provided at the bottom of the elevator rear wall plate 3. The position of the third hand hole 30 corresponds to the first rear wall connection vertical groove 301, so as to facilitate the connection of the second structural longitudinal ribs 125 with the adjacent standard section.

[0093] In this embodiment, the elevator door panel 2 is firstly erected by means of supporting rods.

[0094] S102: Install two elevator side wall panels 1, and arrange the two elevator side wall panels 1 side by side with spacing. The first door panel connecting vertical grooves 201 on both sides of the elevator door panel 2 are respectively matched with the first side wall connecting vertical grooves 101 to form a first cast-in-place through-filling space 200, and the first cast-in-place through-filling space 200 is provided with a first cast-in-place structural reinforcement 11; the first rear wall connecting vertical grooves 301 on both sides of the elevator rear wall panel 3 are respectively matched with the second side wall connecting vertical grooves 102 to form a second cast-in-place through-filling space 300, and the second cast-in-place through-filling space 300 is provided with a second cast-in-place structural reinforcement 12.

[0095] For details, please refer to Figure 5 and Figure 6 The first cast-in-place structural reinforcement 11 includes a first pivot reinforcement 111, a first connecting reinforcement 112, a first horizontal limit reinforcement 114, a first longitudinal limiter 113 and a first structural longitudinal reinforcement 115. First, the first pivot reinforcement 111 is arranged in the first side wall connecting vertical groove 101, and a plurality of first pivot reinforcements 111 are arranged continuously and spaced along the groove length direction, the purpose of which is to install the first connecting reinforcement 112, and the first connecting reinforcement 112 is preferably implemented as a ring-buckle stirrup, so the spacing can be set according to the stirrup arrangement standard of the steel cage.

[0096] See also Figure 3, the first connecting rib is pivoted to the first pivot rib 111, and the pivot point is lower than the center of gravity of the first connecting rib; and at least in the vertical direction, the first connecting rib 112 forms a horizontal tipping tendency due to the center of gravity deviating from the pivot point. Specifically, the first connecting rib 112 is preferably a buckle rib. During pre-installation, the first connecting rib 112 should be arranged on the first pivot rib 111 to maintain a vertical state and the position should not protrude from the notch of the first side wall connecting vertical groove 101. Specifically, a circular ring is formed at the half-height position of the first connecting rib 112 downward, and the circular ring is sleeved on the first pivot rib 111 so that it can rotate around the first pivot rib 111. Therefore, the dead weight of the upper part of the pivot point of the first connecting rib 112 of the buckle rib structure is relatively large, and it is easy to tip over toward the first horizontal limiting rib 114 and be placed in a horizontal state. The first horizontal limiting rib 114 is located in the first door panel connecting vertical groove 201, and is provided for the first connecting rib 112 to tip over and be placed horizontally. In order to maintain the vertical state of the first connecting bar 112 during pre-installation (assembly and installation before cast-in-place), the first longitudinal limiter 113 is detachably arranged in the first cast-in-place pouring space 200, and limits the first connecting bar 112 to maintain a vertical state. Preferably, the first longitudinal limiter 113 is selected from a rope, a rod, a strip, or an elastic stretching object that longitudinally stretches the buckle bar to maintain a vertical state. In this embodiment, as a preferred implementation, the first longitudinal limiter 113 is selected as a rubber band, and all the original buckle bars are upright, and they are stretched straight by this rubber band, and pulled to a horizontal state during cast-in-place. Specifically, this embodiment uses the pivot point as the position standard, connects the lower parts of adjacent ring buckle bars with lighter weight in sequence through rubber bands, and keeps the rubber bands in a straight prestressed state, while the upper parts of the ring buckle bars with heavier weight should be located in front of the rubber bands (i.e., the side facing the first horizontal limiting rib 114), because to prevent the ring buckle bars from falling in the opposite direction to the first horizontal limiting rib 114, a limiting member, such as a plug rod (not shown), is provided, which is located on the side of the ring buckle bars facing the first horizontal limiting rib 114 to prevent the ring buckle bars from falling in advance. During cast-in-place, it is only necessary to pull out the plug rod, push the top ring buckle bars toward the first horizontal limiting rib 114, and pull up the lower part of the ring buckle bars driven by the rubber bands, forming a chain effect to tilt each replacement buckle bar toward the first horizontal limiting rib 114 and place it on the first horizontal limiting rib 114, and keep the two ends of the ring buckle bars extending in the first side wall connecting vertical groove 101 and the first door panel connecting vertical groove 201 respectively. Finally, at least two first structural longitudinal bars 115 are respectively vertically inserted into the first side wall connecting vertical groove 101 and the first door panel connecting vertical groove 201 to form a steel cage structure (including stirrups and longitudinal bars).

[0097] It should be noted that the use of rubber bands as the first longitudinal limit member 113 is only a more economical implementation method and is not the only limitation; it can also use connecting rods, etc., for example, the two ends of the connecting rod are connected to the lighter lower part of the adjacent ring buckle rib through a ring pivot to achieve this effect.

[0098] Similarly, the structure and function of the second cast-in-place structural reinforcement 12 are equivalent to the first cast-in-place structural reinforcement 11, and the difference is that the second cast-in-place structural reinforcement 12 is connected to the elevator rear wall plate 3 and the elevator side wall plate 1. The second cast-in-place structural reinforcement 12 includes a second pivoting reinforcement 121, a second connecting reinforcement 122, a second horizontal limiting reinforcement 124, a second longitudinal limiting member, and a second structural longitudinal reinforcement 125. Therefore, preferably, the second pivoting reinforcement 121 is arranged in the second side wall connecting vertical groove 102, and the second horizontal limiting reinforcement 124 is arranged in the first rear wall connecting vertical groove 301; the second longitudinal limiting member is also preferably a rubber band, and its connection method is equivalent to the first longitudinal limiting member 113, which will not be repeated here, and ordinary technicians in this field can know it; at least two second structural longitudinal reinforcements 125 are respectively vertically inserted in the second side wall connecting vertical groove 102 and the first rear wall connecting vertical groove 301 to form a steel cage structure (including stirrups and longitudinal reinforcement).

[0099] Furthermore, the standard sections provided in this embodiment are connected in layers by pouring; when adjacent standard sections are installed, the first structural longitudinal bars 115 of the two sections are connected by the second connector 2002, so a second hand hole 20 is provided at the connection between the two sections in the first cast-in-place pouring space 200, so that it is convenient for manual connection of the first structural longitudinal bars 115 by the second connector 2002. The second hand hole can be provided on the elevator side wall panel 1 or the elevator door panel 2, so as to realize connection.

[0100] Similarly, the second structural longitudinal reinforcements 125 of the two are connected through the third connector 3002, so a third hand hole 30 is set at the connection between the second cast-in-place pouring space 300 and the second structural longitudinal reinforcement 125 to facilitate manual connection with the third connector 3002. The third hand hole can be set on the elevator side wall panel 1 or the elevator door panel 2, aiming to achieve connection.

[0101] Furthermore, in order to achieve a structural strength equivalent to that of cast-in-place, several more reinforcing column structures can be provided at standard corners or vertical load bearing locations. Specifically, a cast-in-place column groove 100 is formed at the corner of the elevator side wall panel 1 corresponding to the corridor space 1a or the shaft space 1b, and a column reinforcement 1001 is provided in the cast-in-place column groove 100, and a reinforcing column structure is formed after casting. As shown in the figure, four reinforcing column structures are provided on each elevator side wall panel 1, which are respectively located on both sides of the connection of the elevator door panel 2 and on the front and rear sides of the elevator side wall panel 1, thereby strengthening the overall structural strength. Similarly, the column reinforcements 1001 of adjacent standard sections can also be connected through the first connector 1002, so a first hand hole 10 is provided at the connection of the column reinforcements 1001 on the elevator side wall panel 1 to facilitate manual connection.

[0102] In this embodiment, the first, second and third connectors are threaded connector sleeves.

[0103] S1020: Install the shaping support 6.

[0104] A plurality of shaping supports 6 are arranged at least at the corner where the elevator side wall panel 1 and the elevator door panel 2 are connected; and / or at the corner where the elevator side wall panel 1 and the elevator rear wall panel 3 are connected; and / or at the side of the elevator side wall panel 1 facing the corridor space 1a.

[0105] In this embodiment, the shaped support member 6 is implemented as an angle steel structure, which includes an angle steel and is reinforced with two triangular plates. The shaped support member 6 is used to reinforce the elevator side wall panel 1, the elevator door panel 2 and the elevator rear wall panel 3 before they are cast in situ. On the other hand, it is used to temporarily support the corridor panel 4. On the one hand, it can also serve as a temporary support for the temporary construction panel 5 when the shaft space 1b needs to support the temporary construction panel 5.

[0106] Therefore, in this embodiment, an angle steel structure is set at the corner where the elevator side wall panel 1 and the elevator rear wall panel 3 are connected, and an upper and lower layer are set respectively; similarly, an angle steel structure is set at the corner where the elevator side wall panel 1 and the elevator door panel 2 are connected, and an upper and lower layer are set respectively; angle steel structures are set at the four corners of the corridor space 1a corresponding to the positions of the corridor panels 4, for supporting the corridor panels 4; angle steel structures are set at the four corners of the temporary construction panels 5 in the shaft space 1b, for supporting the temporary construction panels 5.

[0107] S103: Lay the corridor slab 4 on the elevator side wall slab 1.

[0108] See also Figure 1 The corridor slab 4 is used to provide a corridor passage in cooperation with the corridor space 1a. The corridor slab 4 of this embodiment is a prefabricated slab, and overlapping connecting bars 41 are provided at the corners of the corridor slab 4. The overlapping connecting bars 41 extend into the cast-in-place column groove 100 and are cast-in-place integrally connected. Preferably, the overlapping connecting bars 41 are implemented as U-shaped bars, and the column bars 1001 are inserted into the U-shaped bars. The connecting effect is formed on the elevator side wall slab 1 through grouting of the cast-in-place column groove 100. At the same time, the U-shaped bars cooperate with the column bars 1001 to form a steel cage structure that strengthens the column structure.

[0109] The corridor slab 4 is laid on the shaped support member 6 on the elevator side wall slab 1 .

[0110] The construction methods of the standard section include: After completing the installation of a standard section through steps S101 to S103, a temporary construction board 5 is laid on the shaped support member 6 of the shaft space 1b. The construction personnel complete the installation of the next standard section through steps S101 to S103 on the temporary construction board 5. The first structural longitudinal reinforcement 115, the second structural longitudinal reinforcement 125 and the column reinforcement 1001 are connected and installed at the hand hole position.

[0111] After all standard sections are installed, all hand holes are closed, and grouting is performed on the first cast-in-place grouting space 200, the second cast-in-place grouting space 300 and the cast-in-place grouting column slot 100, thereby forming the construction of the standard section.

[0112] Beneficial effects of this embodiment: This solution splits the prefabricated standard section into five panels, namely the elevator side wall panel, door panel, rear wall panel and corridor panel. The prefabrication in the factory can be done by horizontal casting, which has low requirements for molds and can be mass-produced with the factory's existing equipment. Moreover, the original standard section is split into five panels, which is convenient for hoisting and transportation. The first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 are connected by connecting reinforcements, and are kept vertically without protruding from the groove during installation, so as to facilitate the installation of the side wall panels, door panels and rear wall panels, and then placed horizontally in a vertical state, with the two ends extending between the first door panel connecting vertical groove 201 and the first side wall connecting vertical groove 101, and between the first rear wall connecting vertical groove 301 and the second side wall connecting vertical groove 102; and the first and second connecting reinforcements 122 are buckle reinforcements, so that the structural reinforcements in the first cast-in-place through-pouring space 200 and the second cast-in-place through-pouring space 300 include longitudinal reinforcements and stirrups, and the strength is equal to that of cast-in-place; Before pouring concrete or grouting, the shaped support 6 (which can be implemented as angle steel) is used to support the connecting corners of each component to keep the entire component stable. This fixation is equivalent to temporarily forming a whole, which is convenient for one-time pouring after the stacking installation of the standard section, thereby improving the installation efficiency; At each standard section, a hand hole is provided at a position corresponding to the connection between the first cast-in-place structural reinforcement 11 and the second cast-in-place structural reinforcement 12 to facilitate the connection of the reinforcement; this avoids the inconvenience of installing the longitudinal reinforcement using a whole steel bar; similarly, a hand hole is also provided at the connection between the column reinforcement 1001 in the cast-in-place grouted column slot 100.

[0113] Furthermore, the present invention is described in detail above in conjunction with the embodiments of the accompanying drawings, and a person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the present invention shall be protected by the scope defined by the attached claims.

Claims

1. Prefabricated elevator shaft standard section, characterized by: At least: Two elevator side wall panels, the two elevator side wall panels are arranged side by side with a spacing, the elevator side wall panels are provided with a first side wall connecting vertical groove at the elevator door position, and the elevator side wall panels are provided with a second side wall connecting vertical groove at the rear wall position; An elevator door panel, wherein first door panel connecting vertical grooves are provided on both sides of the elevator door panel, the elevator door panel is located between the two elevator side wall panels, and the space formed between the two elevator side wall panels is divided into a shaft space and a corridor space by the elevator door panel, and the first door panel connecting vertical grooves on both sides of the elevator door panel are respectively connected with the first side wall connecting vertical grooves to form a first cast-in-place through-filling space, and a first cast-in-place structural reinforcement is arranged in the first cast-in-place through-filling space; An elevator rear wall panel, wherein first rear wall connecting vertical grooves are provided on both sides of the elevator rear wall panel, the elevator rear wall panel is located between the two elevator side wall panels, the hoistway space is formed between the elevator rear wall panel and the elevator door panel, the first rear wall connecting vertical grooves on both sides of the elevator rear wall panel are respectively connected with the second side wall connecting vertical grooves to form a second cast-in-place through-filling space, and a second cast-in-place structural reinforcement is arranged in the second cast-in-place through-filling space; A corridor slab is laid on the elevator side wall slab and is located in the corridor space.

2. The block-based prefabricated elevator shaft standard section according to claim 1, characterized in that: It also includes shaping supports, and multiple shaping supports are arranged at least at the corner where the elevator side wall panel is connected to the elevator door panel; and / or at the corner where the elevator side wall panel is connected to the elevator rear wall panel; and / or on the side of the elevator side wall panel facing the corridor space.

3. The block-based prefabricated elevator shaft standard section according to claim 2, characterized in that: The shaped support is implemented as a temporary construction plate for supporting the corridor plate and the shaft space.

4. The block-based prefabricated elevator shaft standard section according to claim 1, characterized in that: The first cast-in-place structural reinforcement comprises: A first pivoting rib, the first pivoting rib being disposed in the first door panel connecting vertical groove or the first side wall connecting vertical groove; A first connecting rib, wherein the first connecting rib is pivotally connected to the first pivoting rib, and the pivoting point is lower than the center of gravity of the first connecting rib; and at least in the vertical direction, the first connecting rib has a tendency to tip over horizontally due to the center of gravity deviating from the pivoting point; A first horizontal limiting rib, which is located at one side of the first pivot rib and is used for the first connecting rib to be tilted and placed horizontally; A first longitudinal limiter, which is detachably disposed in the first cast-in-place pouring space and limits the first connecting bar to maintain a vertical state; The first structural longitudinal reinforcement is vertically inserted in the first cast-in-place grouting space.

5. The block-based prefabricated elevator shaft standard section according to claim 4, characterized in that: When the first connecting rib is in a vertical state, it at least does not extend outside the first door panel connecting vertical groove or the first side wall connecting vertical groove.

6. The block-based prefabricated elevator shaft standard section according to claim 4, characterized in that: The first connecting rib is a buckle rib, and the first longitudinal limiting member is selected from a rope-like object, a rod-like object, a strip, and an elastic stretchable object that longitudinally stretches to limit the buckle rib to maintain a vertical state.

7. The block-based prefabricated elevator shaft standard section according to claim 1, characterized in that: The second cast-in-place structural reinforcement comprises: A second pivoting rib, the second pivoting rib being disposed in the first rear wall connecting vertical groove or the second side wall connecting vertical groove; A second connecting rib, wherein the second connecting rib is pivotally connected to the second pivoting rib, and the pivoting point is lower than the center of gravity of the second connecting rib; and at least in the vertical direction, the second connecting rib has a tendency to tip over horizontally due to the center of gravity deviating from the pivoting point; A second horizontal limiting rib, the second horizontal limiting rib is located at one side of the second pivot rib and is used for the second connecting rib to be tilted and placed horizontally; A second longitudinal limiter, which is detachably disposed in the second cast-in-place pouring space and limits the second connecting rib to maintain a vertical state. The second structural longitudinal reinforcement is vertically inserted in the second cast-in-place grouting space.

8. The block-based prefabricated elevator shaft standard section according to claim 7, characterized in that: When the second connecting bar is in a vertical state, it at least does not extend outside the first rear wall connecting vertical groove or the second side wall connecting vertical groove.

9. The block-based prefabricated elevator shaft standard section according to claim 7, characterized in that: The second connecting rib is a buckle rib, and the second longitudinal limiting member is selected from a rope-like object, a rod-like object, a strip, and an elastic stretchable object that longitudinally stretches to limit the buckle rib to maintain a vertical state.

10. The block-based prefabricated elevator shaft standard section according to claim 1, characterized in that: A cast-in-place column groove is formed at the corner of the elevator side wall panel corresponding to the corridor space or the hoistway space. Column reinforcement is arranged in the cast-in-place column groove to form a reinforced column structure after casting.

11. The block-based prefabricated elevator shaft standard section according to claim 10, characterized in that: Overlapping connecting bars are arranged at the corners of the corridor slabs, and the overlapping connecting bars extend into the cast-in-place through-casting column grooves and are cast-in-place and integrally connected.

12. Prefabricated standard section of elevator shaft, characterized by: It comprises a plurality of prefabricated elevator shaft standard sections as described in any one of claims 1 to 11; the plurality of standard sections are formed by being connected and cast through at least the first cast-in-place through-filling space and the second cast-in-place through-filling space.

13. The construction method of prefabricating standard sections of elevator shafts in blocks according to any one of claims 1 to 11, characterized in that: The following steps are involved: S101: Support elevator door panels and / or elevator rear wall panels; S102: Install two elevator side wall panels, the two elevator side wall panels are arranged side by side with a spacing, the first door panel connecting vertical grooves on both sides of the elevator door panel are respectively matched with the first side wall connecting vertical grooves to form a first cast-in-place through-grouting space, and the first cast-in-place through-grouting space is provided with a first cast-in-place structural reinforcement; the first rear wall connecting vertical grooves on both sides of the elevator rear wall panel are respectively matched with the second side wall connecting vertical grooves to form a second cast-in-place through-grouting space, and the second cast-in-place through-grouting space is provided with a second cast-in-place structural reinforcement; S103: Laying the corridor slabs on the elevator side wall slabs.

14. The construction method of prefabricating standard sections of elevator shafts in blocks is characterized by: A block prefabricated elevator shaft standard section is formed by steps S101 to S103 in the construction method of block prefabricated elevator shaft standard section according to claim 13, steps S101 to S103 are repeated on a standard section to form the next standard section, and multiple standard sections are connected by at least the first cast-in-place through-grouting space and the second cast-in-place through-grouting space to form a standard section.

15. The construction method according to claim 14, characterized in that: When forming the next standard section, a temporary construction board is set up on the shaft space of the previous standard section.

16. The construction method according to claim 14, characterized in that: At least the first cast-in-situ structural reinforcement connection point and the second cast-in-situ structural reinforcement connection point of the adjacent standard sections are provided with hand holes.

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