Retracting and supporting device, external mold assembly and mold system for additionally installing elevator shaft external mold plate

Abstract

The utility model relates to an additional elevator shaft outer formwork folding and unfolding device, an outer formwork assembly and a formwork system, which comprise a corner post component, a folding and unfolding driving mechanism is arranged on the outer side of the corner post component, two formwork connecting columns are arranged on the inner side of the corner post component, and one formwork connecting column is in sliding connection with the corner post component through at least one first sliding piece. One formwork connecting column is slidably connected with the corner column component through at least one first sliding piece, the other formwork connecting column is slidably connected with the corner column component through at least one second sliding piece, the folding and unfolding driving mechanism is connected with the corresponding first sliding piece and second sliding piece so as to drive the two formwork connecting columns to synchronously move towards each other or away from each other, and the folding and unfolding device is suitable for folding and unfolding of the additionally-installed elevator shaft outer formwork.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of installing elevator shaft template, specifically relates to installing elevator shaft outer template receiving and releasing device, outer mould assembly and template system. BACKGROUND

[0002] The statements herein only provide the background of the utility model related to the utility model, and do not necessarily constitute the prior art.

[0003] The elevator installation project in old residential area is an important people's livelihood project, and from the existing elevator installation technology, there are still many technical loopholes, and there is a lack of experience in specific operation, the construction period is affected, the installation technology cannot be played to the extreme, and the environment of old community is more complex, and the personnel is too dense, which greatly affects the installation construction.

[0004] At present, the installed elevator shaft is a steel structure shaft or a concrete structure shaft, the steel structure shaft construction cost is high, and the concrete structure construction still stays in the manual operation stage, that is, adopts pipe, fastener and template and the like to be manually spliced through cutting and nailing procedures, and this manual operation is not only inefficient but also requires template to be layer by layer disassembled and assembled, and the construction efficiency is low.

[0005] Patent application CN105507580A discloses a kind of elevator shaft integral lifting template device, and patent CN214575646U discloses a kind of full-automatic elevator shaft construction system, the template of above-mentioned two patents is connected with receiving and releasing device, realizes automatic receiving and releasing, solves the problem of low construction efficiency when receiving and releasing needs template to be layer by layer disassembled, but in the receiving and releasing device in above-mentioned patent, screw rod, screw rod seat, slider and the like structure are located at the same side of stand column, when using, only can be attached with the inner side of elevator shaft, as inner template, namely internal corner template, cannot be used as the receiving and releasing of installing elevator outer template (external corner template), therefore, at present, there is an urgent need for a kind of receiving and releasing device for installing elevator shaft outer template. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the deficiency of prior art, and provides installing elevator shaft outer template receiving and releasing device, which can automatically receive and release the outer template of installed elevator shaft.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] In a first aspect, the embodiments of the utility model provide add elevator shaft outer formwork receiving and releasing device, including angle column component, the outside of angle column component is equipped with receiving and releasing drive mechanism, the inside is equipped with two formwork connecting column, one of formwork connecting column is connected with angle column component through at least a first sliding piece, another formwork connecting column is connected with angle column component through at least a second sliding piece, and receiving and releasing drive mechanism is connected with corresponding first sliding piece and second sliding piece to drive two formwork connecting column to carry out synchronous movement of moving towards each other or moving away.

[0009] Optionally, the angle column component adopts a rectangular frame structure formed by vertically crossing and fixedly connecting a plurality of vertical beams and horizontal beams, wherein two vertical beams are arranged in parallel, and a plurality of horizontal beams perpendicular to the two vertical beams are arranged between the two vertical beams.

[0010] Optionally, the first sliding piece adopts a sliding pipe sleeved on the outer periphery of the horizontal beam, the sliding pipe is slidably connected with the horizontal beam, the inner side wall of the sliding pipe is fixedly connected with the formwork connecting column, and the outer side wall of the sliding pipe is connected with the receiving and releasing drive mechanism.

[0011] Optionally, the second sliding piece adopts a sliding pipe sleeved on the outer periphery of the horizontal beam, the sliding pipe is slidably connected with the horizontal beam, the inner side wall of the sliding pipe is fixedly connected with the formwork connecting column, and the outer side wall of the sliding pipe is connected with the receiving and releasing drive mechanism.

[0012] Optionally, the two formwork connecting columns include connecting plates, shaped plates and fixing plates, the connecting plate of one of the formwork connecting columns is connected with the first sliding piece, the connecting plate of the other formwork connecting column is connected with the second sliding piece, the end portions of the two connecting plates facing each other are each provided with a shaped plate, the shaped plates of the two formwork connecting columns can form a corner structure matching a corner of the elevator shaft in a formwork supporting state, and the other end of the shaped plate is connected with a fixing plate to fix the outer formwork.

[0013] Optionally, the receiving and releasing drive mechanism includes at least one bidirectional screw rod connected to the angle column component, the bidirectional screw rod has a first screw rod section and a second screw rod section with opposite rotation directions, the first screw rod section is connected with a first nut slidably connected with the angle column component, the second screw rod section is connected with a second nut slidably connected with the angle column component, one side of the first nut and the second nut is hingedly connected with a first pull rod, and the other side of the first nut and the second nut is hingedly connected with a second pull rod, the two first pull rods are hingedly connected with the first sliding piece, and the two second pull rods are hingedly connected with the second sliding piece.

[0014] Optionally, the two end portions of the bidirectional screw rod are rotatably connected with bearing seats, and the bearing seats are fixed to the outer side surface of the angle column component.

[0015] Optionally, when the receiving and releasing drive mechanism has a plurality of bidirectional screw rods, adjacent bidirectional screw rods are connected through connecting rods.

[0016] In the second aspect, the embodiment of the utility model provides a kind of outer mould assembly of additional elevator shaft, including multiple first aspect described outer mould plate of additional elevator shaft is received and is arranged, and the outer mould plate is fixed between the corresponding template connecting column of adjacent two additional elevator shaft outer mould receiving and arranging device.

[0017] In the third aspect, the embodiment of the utility model provides a kind of additional elevator shaft formwork system, including inner mould assembly and outer mould assembly, wherein outer mould assembly uses the additional elevator shaft outer mould assembly described in the second aspect.

[0018] The beneficial effects of the above-mentioned utility model are as follows:

[0019] The additional elevator shaft outer mould plate receiving and arranging device of the utility model, the receiving and arranging driving mechanism is arranged outside the corner column component, the template connecting column is used to connect the outer mould plate and is located inside the corner column component, when concrete is poured inside the formwork during use, the receiving and arranging driving mechanism is located outside the poured concrete, which does not affect the pouring and forming of the concrete, ensuring the smooth pouring of the additional elevator shaft, meeting the receiving and arranging needs of the outer mould plate of the additional elevator shaft, and the receiving and arranging of the outer mould plate can be realized by operating the receiving and arranging driving mechanism, without layer-by-layer disassembly of the formwork, which is convenient to operate and improves the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings accompanying the specification illustrate preferred embodiments of the application and, together with the description, serve to explain the principles of the application.

[0021] Figure 1 is the overall structure schematic diagram of the utility model embodiment 1 in formwork supporting state;

[0022] Figure 2 is the overall structure schematic diagram of the utility model embodiment 2 in formwork receiving state;

[0023] Figure 3 is the overall structure schematic diagram of the utility model embodiment 2 in formwork supporting state;

[0024] Figure 4 is the plan view of the utility model embodiment 2 in formwork supporting state;

[0025] Figure 5 is the overall structure schematic diagram of the utility model embodiment 2 in formwork receiving state;

[0026] Figure 6 is the plan view of the utility model embodiment 2 in formwork receiving state;

[0027] Figure 7This is a top view of the elevator shaft pouring process in Embodiment 3 of this utility model;

[0028] Among them, 1. Corner column component, 2. Template connecting column, 2-1. Connecting plate, 2-2. Forming plate, 2-3. Fixing plate, 2-4. Reinforcing plate, 3. First sliding component, 4. Second sliding component, 5. Bidirectional lead screw, 6. Bearing seat, 7. First lead screw nut, 8. First tie rod, 9. Second tie rod, 10. Second lead screw nut, 11. Connecting rod, 12. Sleeve, 13. Outer template, 14. Inner mold assembly. Detailed Implementation

[0029] Example 1

[0030] This embodiment provides a device for installing an external formwork support and take-off device for elevator shafts, such as... Figures 1-2 As shown, the device includes a corner column component 1. The outer side of the corner column component 1 is provided with a retraction and support drive mechanism, and the inner side is provided with two template connecting columns 2. One template connecting column 2 is connected to at least one first sliding member 3, and the other template connecting column 2 is connected to at least one second sliding member 4. The first sliding member 3 and the second sliding member 4 are slidably connected to the corner column component 1 and can move synchronously towards or away from each other. The template connecting column 2 is used to connect the outer template for the elevator shaft pouring. The retraction and support drive mechanism is connected to the corresponding first sliding member 3 and the second sliding member 4 and can drive the corresponding first sliding member 3 and the second sliding member 4 to move synchronously towards or away from each other. Thus, the template connecting column 3 drives the two adjacent outer templates to move synchronously towards or away from each other, realizing the switching between the outer template retraction and support states. When in the support state, that is, when the corresponding first sliding member and the second sliding member move to the closest distance, the two template connecting columns 2 can form an external corner structure that matches the external corner of the elevator shaft. In this embodiment, the two template connecting columns 2 form a 90° external corner structure in the support state.

[0031] Specifically, the corner post component 1 adopts a rectangular frame structure formed by the perpendicular intersection of multiple horizontal and vertical beams. In this embodiment, both the vertical and horizontal beams are made of square tubing and are welded and fixed.

[0032] The corresponding first sliding member 3 and second sliding member 4 are both set on the same crossbeam. In this embodiment, the first sliding member 3 adopts a square sliding tube. The sliding tube is sleeved on the outer periphery of the crossbeam and is slidably connected to the crossbeam. The inner wall of the sliding tube is fixedly connected to one of the template connecting columns 2, and the outer wall is connected to the receiving and discharging drive mechanism.

[0033] The second sliding member 4 adopts a square sliding tube. The sliding tube is sleeved on the outer periphery of the crossbeam and is slidably connected to the crossbeam. The inner wall of the sliding tube is fixedly connected to another template connecting column 2, and the outer wall is connected to the receiving and discharging drive mechanism.

[0034] In this embodiment, at least one set of corresponding first sliding member 3 and second sliding member 4 is provided, preferably, two sets of corresponding first sliding member 3 and second sliding member 4 are provided, that is, two first sliding members 3 and two second sliding members 4 are provided, the two first sliding members 3 are respectively connected to the two ends of one of the template connecting columns 2, and the two second sliding members 4 are respectively connected to the two ends of the other template connecting column 2.

[0035] Correspondingly, the collection and distribution driving mechanism is provided with at least one, each of the collection and distribution driving mechanisms corresponds to one first sliding member 3 and one second sliding member 4, and in this embodiment, two sets of corresponding first sliding member 3 and second sliding member 4 are provided, so two collection and distribution driving mechanisms are provided.

[0036] The collection and distribution driving mechanism adopts a bidirectional screw rod 5 whose axis is arranged along the length direction of the corner column component, the two ends of the bidirectional screw rod 5 are rotationally connected with a bearing seat 6, the bearing seat 6 is fixed on the corner column component 1, the bidirectional screw rod 5 includes a first screw rod segment and a second screw rod segment with opposite rotation directions, the first screw rod segment is connected with a first nut 7, one side of the first nut 7 is hingedly connected with one end of a first pull rod 8, and the other side is hingedly connected with one end of a second pull rod 9, the other end of the first pull rod 8 is hingedly connected with the first sliding member 3, and the other end of the second pull rod 9 is hingedly connected with the second sliding member 4.

[0037] The second screw rod segment is connected with a second nut 10, one side of the second nut 10 is also hingedly connected with one end of a first pull rod 8, and the other side is also hingedly connected with the other end of a second pull rod 9, the other end of the first pull rod 8 connected with the second nut 10 is hingedly connected with the first sliding member 4, and the other end of the second pull rod 9 connected with the second nut 10 is hingedly connected with the second sliding member 4.

[0038] The first nut 7 and the second nut 10 are both slidingly connected with the corresponding vertical beam.

[0039] Rotating the bidirectional screw rod 5, the first nut 7 and the second nut 10 can make synchronous opposite or away movement, so as to drive the first sliding member 3 and the second sliding member 4 to make synchronous opposite or away movement through the first pull rod 8 and the second pull rod 9, thereby realizing the synchronous opposite or away movement of the two template connecting column seats.

[0040] Further, in order to enable the two bidirectional screw rods 5 to make synchronous rotation, a connecting rod 11 is arranged between the two bidirectional screw rods 5, the two bidirectional screw rods 5 are connected into a whole through the connecting rod, specifically, sleeves 12 are threadedly connected to the two ends of the connecting rod 11, one of the sleeves 12 is threadedly connected with one end of one of the bidirectional screw rods 5, and the other sleeve 12 is threadedly connected with the other end of the other bidirectional screw rod 5, thereby realizing the fixed connection of the connecting rod 11 with the two bidirectional screw rods 5.

[0041] With this arrangement, the switching between the state of the formwork collecting and the state of the formwork supporting can be realized by rotating the bidirectional screw rod 5, which is convenient and avoids the layer-by-layer disassembly of the formwork, thereby improving the construction efficiency.

[0042] In some other embodiments, the collecting and supporting driving mechanism adopts a bidirectional screw rod arranged along the length direction of the cross beam, two rod segments of the bidirectional screw rod with opposite rotation directions are connected with the first sliding member and the second sliding member respectively, and rotating the bidirectional screw rod can drive the first sliding member and the second sliding member to move synchronously towards or away from each other.

[0043] The formwork connecting column 2 comprises a connecting plate 2-1, one connecting plate 2-1 of one formwork connecting column 2 is fixed with the first sliding member 3, and the other connecting plate 2-1 of the other formwork connecting column 2 is fixed with the second sliding member 4.

[0044] The connecting plate 2-1 is arranged along the length direction of the corner column component, i.e. vertically arranged, and the opposite edges of the two connecting plates 2-1 are fixed with one end of the forming plate 2-2, the forming plate 2-2 is arranged at a set angle with the connecting plate 2-1, the set angle matches the angle of the elevator shaft external corner, in the state of the formwork supporting, the two forming plates 2-2 form an external corner structure matching the elevator shaft external corner, in this embodiment, since the angle of the elevator shaft external corner is 90°, the forming plate 2-2 is arranged at 45° with the connecting plate 2-1.

[0045] The other end of the forming plate 2-2 is fixed perpendicularly with one end of the fixed plate 2-3, the fixed plate 2-3 is used to be fixed with the side of the outer formwork, and after the fixed plate 2-3 is fixed with the outer formwork, the inner side of the outer formwork is flush with the inner side of the forming plate 2-2.

[0046] A plurality of reinforcing plates 2-4 are arranged vertically between the connecting plate 2-1, the forming plate 2-2 and the fixed plate 2-3 to enhance the structural strength of the whole formwork connecting column.

[0047] The formwork collecting and supporting device for the outer formwork of the added elevator shaft in this embodiment is arranged outside the corner column component 1, the formwork connecting column 2 is used to connect the outer formwork and is located inside the corner column component 1 and can form an external corner structure matching the elevator shaft external corner in the state of the formwork supporting, when the concrete is poured inside the formwork, the collecting and supporting driving mechanism is located outside the poured concrete and does not affect the pouring and forming of the concrete, thereby ensuring the smooth pouring of the added elevator shaft and meeting the collecting and supporting requirements of the outer formwork of the added elevator shaft, and the collecting and supporting of the outer formwork can be realized by rotating the bidirectional screw rod, without the layer-by-layer disassembly of the formwork, which is convenient and improves the construction efficiency.

[0048] Embodiment 2

[0049] This embodiment provides a formwork assembly for an added elevator shaft, which comprises a corner column component 1 and an outer formwork 2. Figures 3-6As shown, a plurality of the elevator shaft outer form assembly retracting and extending devices of embodiment 1 are provided, and an outer form 13 is arranged between two adjacent elevator shaft outer form assembly retracting and extending devices.

[0050] In this embodiment, the elevator shaft is square, so four elevator shaft outer form assembly retracting and extending devices of embodiment 1 and four outer forms 13 are provided, and the four elevator shaft outer form assembly retracting and extending devices and the four outer forms 13 enclose a square channel structure matching the elevator shaft.

[0051] The outer form 13 can be of any structure known in the art, and will not be described in detail herein. The outer form 13 is detachably connected to the form connecting column 2 by bolts or the like, and can be of any structure known in the art. The inner side of the outer form 13 is flush with the inner side of the forming plate 2-2 of the form connecting column 2.

[0052] In use, the bidirectional screw 5 is rotated to move the first sliding member 3 and the second sliding member 4 to the minimum distance position, and the outer form assembly is in the form supporting state. At this time, the concrete can be poured. After the pouring is completed, the bidirectional screw 5 is rotated to move the first sliding member 3 and the second sliding member 4 to the maximum distance position, and the outer form assembly is in the form retracting state, and the outer form 13 and the poured elevator shaft are demoulded.

[0053] Embodiment 3

[0054] The embodiment provides an elevator shaft formwork system, which comprises an inner form assembly and an outer form assembly. Figure 7 As shown, the outer form assembly is the elevator shaft outer form assembly of embodiment 2, and the inner form assembly 14 can be of any structure known in the art, such as the elevator shaft integral lifting formwork device disclosed in patent CN105507580B, which comprises a core tube in a cuboid structure, triangular columns, retracting devices, etc. The inner form assembly 14 can be of any structure known in the art, and will not be described in detail herein.

[0055] In use, the inner form assembly and the outer form assembly are set to the form supporting state, and then the concrete 15 is poured between the inner form assembly and the outer form assembly to form the elevator shaft. Then the inner form assembly and the outer form assembly are switched to the form retracting state, and the demoulding is completed.

[0056] Although the specific embodiments of the utility model have been described in detail above with reference to the drawings, the description is not a limitation on the protection scope of the utility model, and those skilled in the art should understand that various modifications or changes made by those skilled in the art on the basis of the technical solutions of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A hoistway formwork retraction device for retrofitting an elevator shaft, characterized in that, The corner column component is provided with a retracting and extending driving mechanism on the outer side and two template connecting columns on the inner side, one of the template connecting columns is connected with the corner column component through at least one first sliding member, and the other template connecting column is connected with the corner column component through at least one second sliding member, the retracting and extending driving mechanism is connected with the corresponding first sliding member and second sliding member to drive the two template connecting columns to move synchronously towards or away from each other.

2. A hoistway form removal and installation apparatus for retrofitting an elevator shaft as defined in claim 1, wherein, The corner column component adopts a frame structure and comprises two vertical beams arranged in parallel and a plurality of horizontal beams perpendicular to the vertical beams.

3. A hoistway formwork retraction device for a retrofitted elevator shaft according to claim 2, wherein, The first sliding member adopts a sliding tube sleeved on the outer periphery of the horizontal beam, the sliding tube is connected with the horizontal beam in sliding mode, the inner side wall of the sliding tube is fixed with the template connecting column, and the outer side wall of the sliding tube is connected with the retracting and extending driving mechanism.

4. The retrofit elevator hoistway form removal and installation apparatus of claim 2, wherein, The second sliding member adopts a sliding tube sleeved on the outer periphery of the horizontal beam, the sliding tube is connected with the horizontal beam in sliding mode, the inner side wall of the sliding tube is fixed with the template connecting column, and the outer side wall of the sliding tube is connected with the retracting and extending driving mechanism.

5. The retrofit elevator hoistway form removal apparatus of claim 1, wherein, The two template connecting columns comprise a connecting plate, a shaped plate and a fixing plate, the connecting plate of one of the template connecting columns is connected with the first sliding member, the connecting plate of the other template connecting column is connected with the second sliding member, the shaped plates are arranged at the ends of the two connecting plates facing each other, the shaped plates of the two template connecting columns can form a corner structure matching the corner of the elevator shaft in the formwork state, and the other end of the shaped plate is connected with the fixing plate to fix the outer formwork.

6. The retrofit elevator hoistway form removal apparatus of claim 1, wherein, The retracting and extending driving mechanism comprises at least one bidirectional screw rod connected with the corner column component, the bidirectional screw rod has a first screw rod section and a second screw rod section with opposite rotation directions, the first screw rod section is connected with a first nut connected with the corner column component in sliding mode, the second screw rod section is connected with a second nut connected with the corner column component in sliding mode, one side of the first nut and the second nut is hinged with a first pull rod, and the other side of the first nut and the second nut is hinged with a second pull rod, the two first pull rods are hinged with the first sliding member, and the two second pull rods are hinged with the second sliding member.

7. A hoistway form removal and installation apparatus for retrofitting an elevator shaft as defined in claim 6 wherein, The two ends of the bidirectional screw rod are rotatably connected with bearing seats fixed on the outer side of the corner column component.

8. The retrofit elevator hoistway form removal apparatus of claim 6, wherein, When the retracting and extending driving mechanism has a plurality of bidirectional screw rods, the adjacent bidirectional screw rods are connected through connecting rods.

9. A retro-fit elevator shaft outer form assembly, characterized by, The outer formwork assembly comprises a plurality of the outer formwork retracting and extending devices of any one of claims 1-8, and an outer formwork is arranged between the adjacent two outer formwork retracting and extending devices.

10. A retrofit elevator hoistway formwork system comprising an inner form assembly and an outer form assembly, characterized in that, The outer formwork assembly adopts the outer formwork assembly of claim 9.

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