A slip form operation platform for elevator shaft construction

Abstract

The present invention relates to the field of construction engineering technology, and discloses a sliding operating platform for elevator shaft construction, comprising a sliding platform and a lifting device. A wall formwork is arranged on the sliding platform. The sliding operating platform also includes a sliding track for detachably assembling with the shear wall of the elevator shaft for floor-by-floor lifting. The sliding track has a first state in which the bottom is connected to the constructed shear wall and the top is suspended in the air. The sliding track also has a second state in which both the top and bottom are connected to the shear wall. The sliding platform is also provided with a support member for detachably connecting to the elevator shaft. Construction workers place the sliding track in the first state, and the sliding track cooperates with the wall formwork to construct the shear wall. After the shear wall construction on that floor is completed, the sliding track is placed in the second state. Construction workers can remove the sliding track and place the sliding track in the first state to sequentially complete the construction of the shear wall on each floor. The sliding track is small in size, which improves construction maneuverability and reduces construction costs.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, in particular to a sliding operating platform for elevator shaft construction. Background Art

[0002] During high-rise building construction, elevator shaft protection is a key focus of on-site safety management. Elevator shafts typically run through the entire building, and shear walls are placed along the sides of the shaft for weighted support. During the construction of these shear walls on each floor, workers must have a safe operating platform to support the shear wall formwork.

[0003] In actual on-site operations, the side structure of the elevator shaft is usually constructed by using scaffolding to set up an operating platform, reserving a steel mesh operating platform on the floor, and factory-processing a truss operating platform.

[0004] While scaffolding platforms are the most common and inexpensive, their height is limited and cannot meet the requirements for high-rise elevator shaft construction. Floor-mounted rebar mesh platforms are also widely used. During the construction of the elevator shaft's surrounding structures, a rebar mesh is pre-set around the elevator shaft on each floor, and then formwork is laid on the mesh surface to create a safe operating platform for the construction of the surrounding structures. While this method eliminates the height restrictions imposed by the rebar mesh, the flexibility of the mesh means workers operating on these platforms are prone to excessive load concentration in certain areas, resulting in relatively low safety and reliability. Factory-fabricated truss platforms are typically pre-formed products, typically featuring a stable truss structure. However, due to the varying specifications of elevator shafts in each building, custom fabrication is often required for each project, significantly increasing construction costs and hindering cost control.

[0005] The Chinese utility model patent with authorization announcement number CN211447720U discloses a climbing elevator shaft construction operation platform, which is installed in the elevator shaft on the main structure. It includes a climbing frame arranged in the elevator shaft and can climb upward along the elevator shaft. The side of the climbing frame is equipped with a support and limiting structure that cooperates with the main structure, and the climbing frame is supported and limited on the main structure by the support and limiting structure; and a working platform suspended on the climbing frame and can be raised and lowered along the climbing frame.

[0006] The aforementioned elevator shaft construction platform utilizes a climbing frame within the shaft. The platform is raised and lowered floor by floor using a crane to perform shaft construction on each floor. This overcomes the height limitations of existing platforms and offers enhanced safety. However, the climbing frame must extend throughout the entire building structure to ensure the platform can perform shear wall construction on each floor. The large size of the climbing frame impairs on-site maneuverability and increases construction costs. Summary of the Invention

[0007] The purpose of the present invention is to provide a sliding operating platform for elevator shaft construction to solve the problems in the prior art of the operating platform having an overly large climbing frame, poor construction maneuverability and high cost.

[0008] To achieve the above-mentioned objectives, the present invention provides a sliding operating platform for elevator shaft construction, comprising a sliding platform and a lifting device connected to the sliding platform. A wall formwork for shaft shear wall construction is arranged on the sliding platform. The sliding operating platform also includes a sliding track for detachably assembling with the elevator shaft shear wall for floor-by-floor lifting. The sliding track has a first state in which the bottom is connected to the constructed shear wall and the top is suspended to serve as a construction formwork. The sliding track also has a second state in which, after the shear wall is constructed and formed, both the top and bottom are connected to the shear wall to guide the sliding platform upward.

[0009] The sliding platform is also provided with a support member for detachably connecting to the elevator shaft. The support member is used to connect to the elevator shaft to support the sliding platform when the sliding track is in a first state, and to disconnect from the elevator shaft to avoid the elevator shaft when the sliding track is in a second state.

[0010] Preferably, the sliding track includes a track body and a fixing plate connected to the track body, and the upper and lower ends of the fixing plate are respectively provided with connection holes for the embedded bolts on the shear wall to pass through and connect.

[0011] Preferably, the rail body includes two mutually parallel flanges and a web connecting the two flanges, the flanges are arranged parallel to the fixed plate, and the lifting platform is provided with a lifting roller extending between the two flanges.

[0012] Preferably, the flange away from the fixing plate is detachably connected to the wall formwork via an inter-plate connecting plate and flange bolts, and a plurality of the inter-plate connecting plates and the flange bolts are spaced apart along the extending direction of the flange.

[0013] Preferably, the sliding platform includes a platform body, which has a first side close to the shear wall and a second side close to the floor slab. The support member includes a plug elastically arranged on the first side and a positioning cross bar detachably arranged on the second side. A slot for installing the plug is arranged on the first side of the platform body, and the plug is used to be elastically inserted into the reserved groove of the shear wall. A socket for inserting the positioning cross bar is arranged on the second side, and the positioning cross bar is used to be erected on the floor slab.

[0014] Preferably, the plug includes a connecting pin movably assembled in the slot and a spring press-assembled between the slot bottom and the connecting pin, and the end surface of one end of the connecting pin for inserting into the reserved slot is an inclined surface.

[0015] Preferably, the support member further comprises a temporary positioning steel wire rope arranged on the first side, the temporary positioning steel wire rope being used to connect the connecting pin when the lifting platform rises and to connect the steel bars inside the shear wall when the lifting platform is supported.

[0016] Preferably, the lifting device includes a base and a load-bearing main beam connected to the base, the base is arranged with a traction motor and a load-bearing load, the lifting ring is arranged on the lifting platform, the traction motor and the lifting ring are connected by a steel wire rope, and the load-bearing main beam is arranged with a lifting pulley cooperating with the steel wire rope.

[0017] Preferably, a positioning rod is rotatably mounted on the load-bearing main beam, and the positioning rod extends axially along the load-bearing main beam. Bending heads are respectively arranged at both ends of the positioning rod, and the bending directions of the two bending heads are opposite. The bending head on the positioning rod away from the base is used for clamping and connecting with the shear wall.

[0018] Preferably, a plurality of rolling legs are arranged on the base, and each rolling leg is arranged with a rolling wheel.

[0019] Compared with the prior art, the sliding operating platform for elevator shaft construction in the embodiment of the present invention has the following advantages: the sliding track and the shear wall can be detachably fixed. When the elevator shaft wall is being constructed, the construction workers fix the bottom end of the sliding track on the shear wall that has been constructed, and the top end of the sliding track is suspended in the air. At this time, the sliding track is in the first state, and the sliding track itself can be used as a part of the construction template of the shear wall, and is used in conjunction with the wall template to construct the shear wall. At this time, the sliding platform is supported by the support member on the part of the elevator shaft that has been constructed; after the shear wall construction of this layer is completed, the top end of the sliding track is suspended in the air. It is also detachably connected to the shear wall. The sliding track is in the second state. The operator disconnects the support from the elevator shaft. The lifting device lifts the sliding platform on the sliding track and moves it to the top of the sliding track to carry out shear wall construction on the next floor. After the sliding track moves into place, the construction personnel can remove the sliding track and lift the sliding track to the construction position, so that the sliding track is in the first state. The support is connected to the shear wall to support the sliding platform, thereby completing the construction of the shear wall of each floor in turn. The sliding track is small in size, and the climbing frame that runs through the entire floor is omitted, which improves construction maneuverability and reduces construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic plan view of a sliding operating platform for elevator shaft construction according to the present invention;

[0021] Figure 2 It is a side view of a sliding operating platform for elevator shaft construction according to the present invention;

[0022] Figure 3 It is a cross-sectional schematic diagram of a sliding platform of the present invention for use in elevator shaft construction;

[0023] Figure 4 It is a schematic diagram of the connection between the sliding platform and the shear wall of the sliding operating platform for elevator shaft construction of the present invention;

[0024] Figure 5 It is a side view of the inclined rod of the sliding operating platform for elevator shaft construction of the present invention;

[0025] Figure 6 It is a front view schematic diagram of the inclined rod of the sliding operation platform for elevator shaft construction of the present invention;

[0026] Figure 7 It is a top view of the inclined rod of the sliding operating platform for elevator shaft construction of the present invention;

[0027] Figure 8 It is a cross-sectional view of an inclined rod of a sliding operating platform for elevator shaft construction according to the present invention;

[0028] Figure 9 yes Figure 8 An enlarged schematic diagram of the positioning connection assembly of the diagonal rod;

[0029] Figure 10 It is a structural schematic diagram of a sliding track of a sliding operating platform for elevator shaft construction according to the present invention;

[0030] Figure 11 yes Figure 10 A-A sectional view of the lifting track of the lifting operating platform used for elevator shaft construction;

[0031] Figure 12 yes Figure 10 A BB sectional view of a lifting track of a lifting operating platform used for elevator shaft construction;

[0032] Figure 13 It is a plan view of a lifting device of a sliding operating platform for elevator shaft construction according to the present invention;

[0033] Figure 14 It is a side view of a lifting device of a sliding operating platform for elevator shaft construction according to the present invention;

[0034] Figure 15 This is a structural schematic diagram of the first rotating template and the second rotating template of the sliding operating platform for elevator shaft construction of the present invention when they are not rotated out;

[0035] Figure 16 This is a schematic structural diagram of the first rotating template of the sliding operating platform for elevator shaft construction of the present invention when it is rotated out;

[0036] Figure 17 It is a structural schematic diagram of a sliding operating platform for elevator shaft construction according to the present invention when the first rotating template and the second rotating template are both rotated out;

[0037] Figure 18 It is a structural schematic diagram of the wall formwork of the sliding operating platform for elevator shaft construction of the present invention when it is pushed out.

[0038] In the figure, 1, shear wall; 101, reserved groove; 102, wall reinforcement; 2, floor; 3, sliding platform; 31, platform body; 32, plug; 33, positioning cross bar; 34, sliding roller; 35, spring; 36, connecting pin; 37, platform side ring; 38, temporary positioning wire rope; 4, lifting ring; 5, sliding track; 51, track body; 52, first clamping plate; 53, first connecting bolt; 54, second clamping plate; 55, second connecting bolt; 6, first template; 7, second template; 8, first rotating hinge; 9, first rotating template; 10, third template; 11, fourth template; 12, second rotating hinge; 13, second rotating template; 14, diagonal rod; 141, upper connecting rod; 142, hinge seat; 143, lower connecting rod; 14 4. Sliding cylinder; 145. Upper rotating sleeve; 146. Lower rotating sleeve; 147. Connecting sleeve; 148. Rod bottom roller; 15. Template bottom roller; 16. Inter-plate connecting plate; 17. Sliding track; 171. Rail body; 172. Flange bolts; 18. Embedded bolts; 19. Lifting device; 191. Load-bearing main beam; 192. Rectangular ring beam; 193. Inner cross beam; 194. Inner longitudinal beam; 195. Inner connecting beam; 196. Traction motor; 197. Sandbag; 198. Positioning rod; 199. Rotating shaft; 1910. First lifting pulley; 1911. First cantilever beam; 1912. First wire rope; 1913. Second lifting pulley; 1914. Second cantilever beam; 1915. Second wire rope; 1916. Bottom vertical beam; 1917. Rolling support leg. DETAILED DESCRIPTION

[0039] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0040] A preferred embodiment of a sliding operating platform for elevator shaft construction of the present invention is as follows Figures 1 to 18 As shown, the sliding operating platform used for elevator shaft construction includes a sliding platform 3, a lifting device 19, a sliding track 17 and a wall formwork. The sliding platform 3 provides a construction space for construction workers. The lifting device 19 is used to lift the sliding platform 3 upward. The sliding track 17 is lifted floor by floor along with the construction floor. The sliding track 17 is used to guide the assembly with the sliding platform 3, so that the entire sliding platform 3 can rise evenly along the sliding track 17 to prevent the sliding platform 3 from tilting under the uneven action of the lifting force.

[0041] Typically, an elevator shaft is formed by shear walls 1 and floor slabs 2, with the shear walls 1 serving as the load-bearing structure of the elevator shaft. During on-site construction, after the shear walls 1 and floor slabs 2 of a given floor are completed, the elevator shaft is hollow from top to bottom. When constructing the next floor, there is no platform for construction workers to stand on the shear walls 1 of the next floor, making it impossible to set up formwork on one side of the shear walls 1 of the next floor. The sliding operating platform used for elevator shaft construction provides a construction platform for elevator shaft construction. In this embodiment, the elevator shaft has shear walls 1 on both sides and floor slabs 2 on both sides. The two shear walls 1 and the two floor slabs 2 are adjacent to each other. In this embodiment, the number and location of the shear walls 1 and floor slabs 2 can be selected based on actual construction conditions.

[0042] The platform 3 includes a platform body 31, which provides a standing station for construction workers. The platform body 31 is a rectangular flat plate structure, with four sides parallel to the four sides of the elevator shaft. The side of the platform body 31 closest to the shear wall 1 is defined as the first side, and the side closest to the floor slab 2 is defined as the second side. A rectangular notch is located in the middle of the first side of the platform 3. This notch is used to accommodate the lifting track 17, ensuring that it is flush with the wall formwork on the platform 3.

[0043] The lifting track 17 is detachably assembled with the shear wall 1, allowing it to be lifted floor by floor as the shear wall 1 is constructed. The lifting track 17 comprises a track body 171 and a fixed plate connected to the track body 171. The fixed plate is connected to the track body 171 via a web, and the fixed plate is used for detachable connection to the shear wall 1. Connection holes are provided at the upper and lower ends of the fixed plate, respectively. These holes accept embedded bolts 18 pre-buried in the shear wall 1, temporarily securing the entire lifting track 17 to the side of the shear wall 1. Four connection holes are arranged in a rectangular pattern at each of the upper and lower ends.

[0044] After construction on a certain floor is completed, the construction workers can use the lifting device 19 to lift the sliding platform 3. The entire sliding platform 3 slides upward along the sliding track 17. After the sliding platform 3 slides to the top of the sliding track 17, the sliding platform 3 is temporarily supported in the elevator shaft by the support members. At this time, the sliding track 17 is in the second state. The construction workers then remove the embedded bolts 18 on the fixing plate of the sliding track 17, manually pull out the sliding track 17, and then connect the connecting holes at the bottom of the fixing plate of the sliding track 17 to the embedded bolts 18 in the constructed shear wall 1. The top of the sliding track 17 is suspended in the air. At this time, the sliding track 17 is in the first state and can serve as part of the construction template of the shear wall 1.

[0045] The rail body 171 consists of two parallel flanges and a web connecting the two flanges. The web and flanges are perpendicular to each other, and the flanges are parallel to the fixed plate. The width of the flanges is smaller than that of the fixed plate, forming a V-shaped structure. There is a gap between the two flanges. Each rectangular notch in the lifting platform 3 is equipped with a lifting roller 34. Two lifting rollers 34 are symmetrically arranged, extending between the two flanges and located on either side of the web. When the lifting platform 3 is lifted, the lifting rollers 34 contact the flanges, ensuring a uniform rise along the lifting track 17 and preventing the platform from tilting.

[0046] Inter-plate connecting plates 16 are arranged on the flange away from the fixed edge. Multiple inter-plate connecting plates 16 are spaced apart along the extension direction of the flange. Inter-plate connecting plates 16 are detachably connected to the flange via flange bolts 172. The other ends of inter-plate connecting plates 16 are detachably connected to the wall formwork via flange bolts 172. Inter-plate connecting plates 16 connect the sliding track 17 to the wall formwork, so that the sliding track 17 and the wall formwork together form the construction formwork of the shear wall 1.

[0047] Support members are arranged on the first and second sides of the sliding platform 3. These members are detachably connected to the elevator shaft to change the support state of the sliding platform 3. When the sliding track 17 is in the first state, the support members are connected to the elevator shaft to temporarily support the sliding platform 3 while construction workers perform shear wall 1 construction. When the sliding track 17 is in the second state, the support members are disconnected from the elevator shaft, clearing the elevator shaft and preventing the sliding platform 3 from interfering with the elevator shaft during the sliding operation.

[0048] The support members include a plug 32, a positioning crossbar 33, and a temporary positioning wire rope 38. The plug 32 is elastically arranged on the first side of the platform body 31. Two plugs 32 are arranged on each first side, and the two plugs 32 are evenly and symmetrically arranged on both sides of the rectangular notch on the first side. A rectangular reserved groove 101 is reserved on the shear wall 1, and the plug 32 can be elastically inserted into the reserved groove 101 to support the platform body 31. The positioning crossbar 33 is detachably arranged on the second side of the platform body 31. Multiple positioning crossbars 33 are arranged at intervals on each second side. The positioning crossbar 33 is used to be erected on the floor 2 to support the platform body 31.

[0049] A slot is provided on the first side, into which a plug 32 is elastically mounted. The slot is a cubic structure, allowing plug 32 to be inserted to prevent interference with the elevator shaft during the ascent of the lifting platform 3. Plug 32 includes a connecting pin 36 and a spring 35. The connecting pin 36 is movably mounted within the slot, while the spring 35 is pressed between the slot bottom and the connecting pin 36. The ends of the spring 35 are welded to the slot bottom and the connecting pin 36, respectively. The end of the connecting pin 36, which is inserted into the reserved slot 101, has an inclined surface to facilitate its retraction.

[0050] When the platform 3 is ascending to the next floor for construction, the spring 35 allows the connecting pin 36 to elastically extend into the reserved slot 101 of the shear wall 1, supporting the platform body 31. This temporarily secures the platform 3 and prevents it from falling. When the platform 3 needs to ascend, the construction worker overcomes the spring 35's elastic force and pulls the connecting pin 36 back into the slot, preventing the plug 32 from interfering with the shear wall 1 and hindering the platform's ascent.

[0051] Each second side edge is provided with a socket, with several sockets evenly spaced along the second side edge. A positioning crossbar 33 is inserted into each socket. When the entire lifting platform 3 is positioned on a specific floor, the positioning crossbar 33 can be inserted into the socket on the side of the platform body 31, with the other end of the positioning crossbar 33 resting on the top surface of the floor slab 2. This provides temporary support for the two second sides of the lifting platform 3. When construction on a floor is completed, the entire lifting platform 3 can be raised upwards by removing the positioning crossbar 33, allowing the lifting platform 3 to ascend unimpeded.

[0052] A platform plate side eye 37 is also arranged on the end face of the first side of the platform plate body 31, and a temporary positioning wire rope 38 is connected to the platform plate side eye 37. The other end of the temporary positioning wire rope 38 is used to connect to the connecting pin 36 or the wall reinforcement 102 in the shear wall 1. When the sliding platform 3 is temporarily supported by the support, in order to increase the reliability of the temporary fixation, the temporary positioning wire rope 38 can be temporarily connected to the wall reinforcement 102; when the construction of one floor is completed, the sliding platform 3 slides upward, the connection between the temporary positioning wire rope 38 and the wall reinforcement 102 can be loosened, and the plug 32 can be pulled out of the reserved groove 101 of the shear wall 1. The temporary positioning wire rope 38 is temporarily connected to the connecting pin 36 of the plug 32, thereby realizing the separation of the entire sliding platform 3 from the shear wall 1.

[0053] The lifting device 19 includes a base, a load-bearing main beam 191, a traction motor 196, and a load-bearing load. The base serves as the supporting foundation for the lifting device 19, and the load-bearing main beam 191, the traction motor 196, and the load-bearing load are all arranged on the base. The load-bearing main beam 191 is connected to the middle of the base. The load-bearing main beam 191 is the load-bearing body used to lift the sliding platform 3. The load-bearing main beam 191 is made of I-beam or channel steel, and one end is connected to the middle position of the base, so that the rectangular ring beam 192 is arranged symmetrically with the load-bearing main beam 191 as the axis. Two rotating shafts 199 are respectively provided at both ends of the top surface of the load-bearing main beam 191. A locking rod 198 is connected between the two rotating shafts 199, so that the locking rod 198 is rotatably assembled on the load-bearing main beam 191. The locking rod 198 extends along the axial direction of the load-bearing main beam 191. The two ends of the locking rod 198 are respectively provided with bending heads, and the two bending heads bend in opposite directions, so that the two bending heads extend from different directions. A bottom vertical beam 1916 is vertically connected to the lower part of the end of the load-bearing main beam 191 away from the base. When the locking rod 198 rotates, the bending head and the bottom vertical beam 1916 are respectively located on both sides of the shear wall 1, so that the bending head and the bottom vertical beam 1916 are locked with the shear wall 1, thereby temporarily connecting the end of the load-bearing main beam 191 to the shear wall 1 and preventing the load-bearing main beam 191 from moving.

[0054] The base comprises a rectangular ring beam 192, an inner transverse beam 193, an inner longitudinal beam 194, and an inner connecting beam 195. Rectangular ring beam 192 has a rectangular ring structure in plan view. Four rolling legs 1917 are provided at the four corners of the bottom of rectangular ring beam 192. Each rolling leg 1917 is equipped with a rolling wheel. These rolling legs 1917 and rolling wheels facilitate the movement of rectangular ring beam 192 on floor slab 2. One end of a load-bearing main beam 191 is connected to the middle of one side of rectangular ring beam 192, so that rectangular ring beam 192 is arranged symmetrically about load-bearing main beam 191. An inner cross beam 193, an inner longitudinal beam 194 and an inner connecting beam 195 are provided inside the rectangular ring beam 192. There are multiple inner longitudinal beams 194, and their plane distribution is symmetrical with the load-bearing main beam 191 as the axis. All the inner longitudinal beams 194 on one side are connected to the inner cross beam 193. The setting positions of all the inner cross beams 193 are mainly set according to the layout of the traction motor 196 and the load-bearing load.

[0055] In this embodiment, the load-bearing load is a sandbag 197, which is used to reduce the load on the base when the lifting platform 3 is lifted, preventing the base from tilting. A traction motor 196 is arranged on the base. The planar truss formed by the inner crossbeam 193 and the inner longitudinal beam 194 primarily bears the weight of the traction motor 196 and the sandbag 197. Two inner longitudinal beams 194, located near the load-bearing main beam 191 and symmetrically distributed about the load-bearing main beam 191, are connected by an inner connecting beam 195. The traction motor and sandbag 197 are placed on the top surface of the truss formed by the inner crossbeam 193 and the inner longitudinal beam 194. The sandbag 197 acts as a ballast for the load-bearing main beam 191 under load. The traction motor 196 is the power source for the entire lifting device 19. There are two traction motors 196, which are arranged symmetrically about the load-bearing main beam 191.

[0056] Four lifting rings 4 are arranged evenly in a rectangular pattern on the platform body 31. The traction motor 196 is connected to the lifting rings 4 by steel wire ropes. Two sets of cantilever beams are vertically arranged on the load-bearing main beam 191. These cantilever beams support lifting pulleys, each rotatably mounted on a lifting pulley. Steel wire ropes pass over the lifting pulleys and connect to the lifting rings 4. The lifting pulleys are used to change the direction of the steel wire ropes and reduce lifting resistance.

[0057] The two sets of cantilever beams are defined as a first cantilever beam 1911 and a second cantilever beam 1914. The lifting pulley on the first cantilever beam 1911 is a first lifting pulley 1910, and the lifting pulley on the second cantilever beam 1914 is a second lifting pulley 1913. There are two first cantilever beams 1911 and two second cantilever beams 1914. The first lifting pulley 1910 is rotatably mounted between the two first cantilever beams 1911, and the second lifting pulley 1913 is rotatably mounted between the two second cantilever beams 1914. The two traction motors 196 are each connected to a steel wire rope, defined as a first steel wire rope 1912 and a second steel wire rope 1915. The first steel wire rope 1912 passes through the first lifting pulley 1910 and hangs down, connecting to two lifting rings 4 located on the same side of the bottom of the lifting platform 3. The first steel wire rope 1912 passes through the gap between the two first cantilever beams 1911. Similarly, the second steel wire rope 1915 passes through the second lifting pulley 1913 and hangs down, and is connected to the two lifting rings 4 on the other side of the top of the lifting platform 3. The gap between the two second cantilever beams 1914 is used for the second steel wire rope 1915 to pass through.

[0058] In this embodiment, there are two first sides, which are perpendicular to each other and arranged adjacently. That is, the two first sides constitute two adjacent right-angled sides of the platform body 31. A sliding track 17 is arranged on each first side, and wall formwork is arranged on both first sides. The wall formwork is parallel to the shear wall 1, and the wall formwork and the sliding track 17 are connected by flange bolts 172 to form the construction formwork of the shear wall 1.

[0059] The wall formwork is arranged on the sliding platform 3, providing formwork support for the construction of the elevator shaft's shear wall 1. Sliding tracks 5 are arranged on the top surface of the platform body 31 of the sliding platform 3. The longitudinal direction of the sliding tracks 5 is perpendicular to the side edges of the platform body 31 and is arranged along the first side edge of the platform body 31, adjacent to the shear wall 1. There are two sets of sliding tracks 5, each set of sliding tracks 5 is perpendicular to the corresponding first side edge, and the multiple sliding tracks 5 in each set are parallel to each other. The wall formwork is slidably assembled on the sliding tracks 5.

[0060] The wall formwork includes a first formwork 6, a second formwork 7, a third formwork 10, and a fourth formwork 11. The first formwork 6 and the second formwork 7 are arranged on one first side, and the third formwork 10 and the fourth formwork 11 are arranged on the other first side. The first formwork 6 and the second formwork 7 are located on both sides of the sliding track 17, and the third formwork 10 and the fourth formwork 11 are located on both sides of the sliding track 17. The first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11 are all shaped formworks, such as steel formworks, aluminum formworks, etc. The width of the first formwork 6 and the third formwork 10 is greater than the width of the second formwork 7 and the fourth formwork 11. Therefore, the number of sliding tracks 5 at the bottom of the first formwork 6 and the third formwork 10 is relatively large.

[0061] The bottom of the first template 6, the second template 7, the third template 10, and the fourth template 11 are all arranged with template bottom rollers 15, which are rollingly assembled in the sliding track 5. The number of template bottom rollers 15 is the same as the number of sliding tracks 5. The template bottom rollers 15 can enable the first template 6, the second template 7, the third template 10, and the fourth template 11 to move freely longitudinally in the sliding track 5, reducing the resistance of the first template 6, the second template 7, the third template 10, and the fourth template 11 when moving, and reducing the workload of construction workers.

[0062] The second template 7 and the fourth template 11 are arranged adjacent to each other. The end of the second template 7 near the fourth template 11 is provided with a plurality of first rotating hinges 8, to which the first rotating template 9 is connected. The second template 7 and the first rotating template 9 are rotatably assembled via the first rotating hinges 8. The end of the fourth template 11 near the second template 7 is provided with a plurality of second rotating hinges 12, to which the second rotating hinge 12 is connected. The fourth template 11 and the second rotating template 13 are rotatably assembled via the second rotating hinges 12. The first rotating template 9 and the second rotating template 13 are also standardized products, made of materials such as steel templates and aluminum alloy templates. The bottoms of the first rotating template 9 and the second rotating template 13 are not provided with sliding rails 5 or template bottom rollers 15.

[0063] The surface of the second rotating formwork 13 facing away from the shear wall 1 and toward the interior of the elevator shaft is an inwardly concave arc surface, causing the thickness of the second rotating formwork 13 to gradually decrease as it approaches the first rotating formwork 9. This is because the first rotating formwork 9, the second rotating formwork 13, the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11 are all supporting formwork for the shear wall 1, forming the construction formwork system of the shear wall 1. The ends of the first rotating formwork 9 and the second rotating formwork 13 are in close proximity. After the concrete pouring of the shear wall 1 is completed, all the formworks need to be removed and lifted to the next floor for shear wall 1 construction. The formworks will be pulled out along the sliding track 5. Because the sliding track 5 is fixed in direction, the second formwork 7 and the fourth formwork 11 will interfere with each other and cannot be pulled out. At this time, it is only necessary to rotate the first rotating formwork 9 and the second rotating formwork 13 out in advance to make room for the second formwork 7 and the fourth formwork 11 to exit. The side of the second rotating formwork 13 is made into an arc shape to avoid the first rotating formwork 9, making it easier for the first rotating formwork 9 to rotate out. The arc surface forms an avoidance gap on the second rotating formwork 13.

[0064] During shear wall 1 construction, for the shear wall 1 on one side, the first formwork 6, second formwork 7, first rotating formwork 9, and sliding track 17 form the construction formwork system. For the corresponding shear wall 1 on the other side, the third formwork 10, fourth formwork 11, second rotating formwork 13, and sliding track 17 form the construction formwork system for the other shear wall 1. The first and second formworks 6 and 7 are connected to the sliding track 17 via inter-plate connecting plates 16. Similarly, the third and fourth formworks 10 and 11 are connected to the sliding track 17 via inter-plate connecting plates 16.

[0065] The inner sides of the first template 6, the second template 7, the third template 10, and the fourth template 11 are all connected with diagonal rods 14. The number of diagonal rods 14 is the same as the number of sliding rails 5. The bottom of each diagonal rod 14 is provided with a rod bottom roller 148, which is rolled and assembled in the sliding rail 5. The top of the diagonal rod 14 is provided with a hinge seat 142, which is used to be fixedly assembled on each template so that the top of the diagonal rod 14 can rotate in a vertical plane when the bottom of the diagonal rod 14 slides in the sliding rail 5. The top of the diagonal rod 14 is used to diagonally support the sides of the first template 6, the second template 7, the third template 10, and the fourth template 11 to prevent each template from tipping over. Each template and the diagonal rod 14 form a stable triangular support system.

[0066] The length of the diagonal rod 14 is adjustable, ensuring sufficient rigidity while also providing a certain degree of flexibility. The diagonal rod 14 comprises an upper connecting rod 141, a lower connecting rod 143, a sliding cylinder 144, an upper rotating sleeve 145, a lower rotating sleeve 146, and a connecting sleeve 147. The sliding cylinder 144 is disposed on the lower connecting rod 143, and the upper rotating sleeve 145, the lower rotating sleeve 146, and the connecting sleeve 147 form a positioning and connecting assembly for positioning and connecting the upper connecting rod 141 and the sliding cylinder 144.

[0067] The upper connecting rod 141 has a circular cross-section. A hinged seat 142 is located at the top of the upper connecting rod 141, and the upper connecting rod 141 is hingedly connected to each template via the hinged seat 142. A rod-bottom roller 148 is located at the bottom of the lower connecting rod 143, and the lower connecting rod 143 is rolled and assembled within the sliding track 5 via the rod-bottom roller 148. A sliding cylinder 144 is fixedly located near the top of the lower connecting rod 143. This hollow structure, with a circular cross-section, is inserted into the hollow interior space of the sliding cylinder 144. A connecting spring is also located within the sliding cylinder 144. Once the upper connecting rod 141 is inserted into the sliding cylinder 144, one end of the connecting spring connects to the bottom of the sliding cylinder 144 and the other end connects to the upper connecting rod 141. This connecting spring allows the upper connecting rod 141 to slide within the sliding cylinder 144 while preventing the upper connecting rod 141 from easily separating.

[0068] The bottom end of upper connecting rod 141 is threaded, and upper rotating sleeve 145 is threaded both inside and outside. Upper rotating sleeve 145 is threadedly assembled onto upper connecting rod 141. Sliding cylinder 144 is threaded on the outside. Its outer diameter is larger than that of upper connecting rod 141 and lower connecting rod 143. Lower rotating sleeve 146 is threadedly assembled onto the outer surface of sliding cylinder 144. Lower rotating sleeve 146 is threaded both inside and outside. Because the outer diameter of sliding cylinder 144 is larger than that of upper connecting rod 141, the inner diameter of upper rotating sleeve 145 is smaller than that of lower rotating sleeve 146, while the outer diameters of upper rotating sleeve 145 and lower rotating sleeve 146 are the same. A thread is arranged on the inner side of the connecting sleeve 147, which can be rotated in and out of the outer threads of the upper rotating sleeve 145 and the lower rotating sleeve 146. The upper rotating sleeve 145 and the lower rotating sleeve 146 are threadedly connected through the connecting sleeve 147 to achieve the connection or separation of the upper rotating sleeve 145 and the lower rotating sleeve 146.

[0069] The sliding track 5 includes a track body 51, a first retaining plate 52, a first connecting bolt 53, a second retaining plate 54, and a second connecting bolt 55. The track body 51 has a U-shaped cross section, and the upper portion of the track body 51 is not completely open. The template bottom roller 15 and the rod bottom roller 148 are both rollingly assembled within the track body 51. Cross baffles are arranged at both ends of the track body 51 to limit the position of the template bottom roller 15 and the rod bottom roller 148 and prevent them from running outside the track body 51.

[0070] A first retaining plate 52 is removably mounted on the end of the track body 51 near the wall formwork and serves to position the formwork bottom roller 15. A second retaining plate 54 is removably mounted on the end of the track body 51 away from the wall formwork and serves to position the rod bottom roller 148. This removable arrangement allows the first and second retaining plates 52, 54 to avoid the moving formwork bottom roller 15 and rod bottom roller 148, while also limiting their position once they are in place, preventing them from moving.

[0071] In this embodiment, the first retaining plate 52 and the second retaining plate 54 are both rotatably assembled on the track body 51. The first retaining plate 52 and the second retaining plate 54 can rotate horizontally on the track body 51. The other end of the first retaining plate 52 is detachably connected to the track body 51 via a first connecting bolt 53, and the other end of the second retaining plate 54 is detachably connected to the track body 51 via a second connecting bolt 55. When the template bottom roller 15 slides to one end of the track body 51, the construction worker can rotate the first retaining plate 52 to lock the template bottom roller 15 at the end and keep it stationary. The rotating end of the first retaining plate 52 is connected to the top of the track body 51 by the first connecting bolt 53. When the rod bottom roller 148 slides to the other end of the track body 51, the construction worker can rotate the second retaining plate 54 to lock the rod bottom roller 148 at the end and keep it stationary. The rotating end of the second retaining plate 54 is connected to the top of the track body 51 by the second connecting bolt 55.

[0072] The working process of the sliding operating platform for elevator shaft construction of the present invention is as follows: after the construction of the shear wall 1 and floor slab 2 of the elevator shaft on a certain floor is completed, the lifting device 19 is pushed into the completed floor slab 2, and the load-bearing main beam 191 is just located in the center of the elevator shaft. At this time, the bent head of the positioning rod 198 close to the shear wall 1 is upward, and the bottom end of the load-bearing main beam 191 is supported on the top of the shear wall 1, and the bottom vertical beam 1916 is stuck on the inner side of the shear wall 1. Then, the bent head of the positioning rod 198 close to the floor slab 2 is manually rotated on the completed floor slab 2, so that the bent head of the positioning plate close to the shear wall 1 is turned to the lower side, and the bent head of the positioning rod 198 close to the shear wall 1 and the bottom vertical beam 1916 make the load-bearing main beam 191 stuck on the top of the shear wall 1.

[0073] Construction workers placed sandbags 197 on the rectangular ring beam 192 to ballast the entire lifting device 19 near the floor 2, preventing it from shaking under the force. They then activated the traction motor 196, lowered the first and second steel ropes 1912 and 1915, and connected them to the two lifting rings 4 at the top of the platform 31 of the lifting platform 3. They then reversed the traction motor 196, slightly lifting the lifting platform 3, and stopped the traction motor 196.

[0074] At this point, the plug 32 and positioning crossbar 33 are temporarily separated from the reserved slot 101 of the shear wall 1 and the floor slab 2. The temporary positioning wire rope 38 is then released, and the plug 32 is pressed into the slot of the platform body 31. The temporary positioning wire rope 38 is then used to temporarily position the plug 32. The positioning crossbar 33 is then pulled out of the socket of the platform body 31, and the reserved slot 101 is sealed with fine stone concrete. The traction motor 196 is then started to lift the lifting platform 3, which in turn drives the sliding track 5, the first formwork 6, the second formwork 7, the first rotary hinge 8, the first rotary formwork 9, the third formwork 10, the fourth formwork 11, the second rotary hinge 12, the second rotary formwork 13, the diagonal rod 14, the formwork bottom roller 15, and other components to slide upward along the lifting track 17.

[0075] After lifting each component to the next floor to be constructed, stop the traction motor 196, loosen the temporary positioning wire rope 38 of the temporary fixing plug 32, and the plug 32 automatically pops into the reserved groove 101 of the next floor. The temporary positioning wire rope 38 is temporarily connected and fixed to the steel bars 102 inside the shear wall 1, and the positioning cross bar 33 is simultaneously inserted into the socket on the side of the platform plate 31. At this time, the connection between the first wire rope 1912, the second wire rope 1915 and the lifting ring 4 is released, the positioning rod 198 is rotated, the sandbag 197 is removed, and the lifting device 19 is pushed out of the elevator shaft as a whole. After the construction of the next floor is completed, it is manually pushed to the next floor for use.

[0076] Remove the connection between the upper part of the sliding track 17 and the embedded bolts 18, pull out the sliding track 17, and then connect the lower part of the sliding track 17 to the embedded bolts 18 at the lower end of the shear wall 1 to be constructed. At this time, since there is no concrete in the shear wall 1, there are no embedded bolts 18 on the top of the sliding track 17, and the top of the sliding track 17 is suspended in the air.

[0077] The construction workers loosen the connection between the connecting sleeve 147 and the upper rotating sleeve 145 and the lower rotating sleeve 146, so that the fixation between the upper connecting rod 141 and the sliding cylinder 144 is removed, but the upper connecting rod 141 and the lower connecting rod 143 are still connected by the connecting spring. At this time, since the inclined rod 14 and the first template 6, the second template 7, the third template 10, and the fourth template 11 do not form a triangular support system, the construction workers can easily push the first template 6, the second template 7, the third template 10, and the fourth template 11 close to the shear wall 1 to be constructed. After all the templates are adjusted in place, the first template 6, the second template 7, the third template 10, and the fourth template 11 on the sliding track 5 are pressed against the first template 6, the second template 7, the third template 10, and the fourth template 11. A positioning plate 52 clamps the bottom roller 15 of the column formwork, and the connecting sleeve 147 is connected to the upper rotating sleeve 145 and the lower rotating sleeve 146, so that the entire diagonal rod 14 becomes a rigid diagonal support rod, so that the diagonal rod 14, each formwork, and the sliding platform 3 form a stable triangular support system, and the first formwork 6, the second formwork 7, the third formwork 10 and the fourth formwork 11 are temporarily fixed to the sliding track 17 with the inter-plate connecting plate 16. At this time, with the help of the sliding platform 3, all the formworks and the sliding track 17 form the side formwork support system of the shear wall 1, and then the construction of the shear wall 1 around the floor elevator shaft can be carried out.

[0078] After the construction of one floor is completed, the elevator shaft construction work of each floor can be carried out reciprocally according to the above process.

[0079] In summary, the embodiment of the present invention provides a sliding operating platform for elevator shaft construction, wherein the sliding track and the shear wall are detachably fixed. When the elevator shaft wall is being constructed, the construction personnel fix the bottom end of the sliding track to the shear wall that has been constructed, and the top end of the sliding track is suspended in the air. At this time, the sliding track is in a first state, and the sliding track itself can be used as a part of the construction template of the shear wall, and is used in conjunction with the wall template to construct the shear wall. At this time, the sliding platform is supported by the support member on the part of the elevator shaft that has been constructed; after the shear wall construction of this layer is completed, the top end of the sliding track is also fixed to the shear wall. The wall is detachably connected, and the sliding track is in the second state. The operator disconnects the support from the elevator shaft, and the lifting device lifts the sliding platform on the sliding track and moves it to the top of the sliding track to carry out shear wall construction on the next floor. After the sliding track moves into place, the construction personnel can remove the sliding track and lift the sliding track to the construction position, so that the sliding track is in the first state, and the support is connected to the shear wall to support the sliding platform, thereby completing the construction of the shear wall of each floor in turn. The sliding track is small in size, and the climbing frame that runs through the entire floor is omitted, which improves construction maneuverability and reduces construction costs.

[0080] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A sliding operating platform for elevator shaft construction, characterized in that: The invention comprises a sliding platform and a lifting device connected to the sliding platform, wherein a wall formwork for the construction of the hoistway shear wall is arranged on the sliding platform, and the sliding operation platform further comprises a sliding track for detachably assembling with the shear wall of the elevator shaft for lifting the elevator floor by floor. The sliding track has a first state in which the bottom is connected to the constructed shear wall and the top is suspended to serve as a construction formwork. The sliding track also has a second state in which the top and bottom of the shear wall are both connected to the shear wall after the shear wall is constructed to guide the sliding platform upward. The sliding platform is further provided with a support member for detachably connecting to the elevator shaft, wherein the support member is used to connect to the elevator shaft to support the sliding platform when the sliding track is in a first state, and to disconnect from the elevator shaft to avoid the elevator shaft when the sliding track is in a second state; The sliding track includes a track body and a fixing plate connected to the track body, the upper and lower ends of the fixing plate are respectively provided with connection holes for the embedded bolts on the shear wall to pass through and connect, the track body includes two mutually parallel flanges and a web connecting the two flanges, the flanges are arranged parallel to the fixing plate, the sliding platform is provided with a sliding roller extending between the two flanges, the flange away from the fixing plate is detachably connected to the wall formwork by an inter-plate connecting plate and flange bolts, and a plurality of the inter-plate connecting plates and the flange bolts are arranged at intervals along the extension direction of the flange; The sliding platform includes a platform body, the platform body having a first side close to the shear wall and a second side close to the floor, the support member includes a plug elastically arranged on the first side and a positioning crossbar detachably arranged on the second side, a slot for installing the plug is arranged on the first side of the platform body, the plug is used to be elastically inserted into the reserved groove of the shear wall, and a socket for inserting the positioning crossbar is arranged on the second side, and the positioning crossbar is used to be erected on the floor; The lifting device includes a base and a load-bearing main beam connected to the base, the base is arranged with a traction motor and a load-bearing load, the lifting ring is arranged on the lifting platform, the traction motor and the lifting ring are connected by a steel wire rope, and the load-bearing main beam is arranged with a lifting pulley that cooperates with the steel wire rope.

2. The sliding operating platform for elevator shaft construction according to claim 1, characterized in that: The plug includes a connecting pin movably assembled in the slot and a spring press-assembled between the slot bottom and the connecting pin. The end surface of one end of the connecting pin for inserting into the reserved slot is an inclined surface.

3. The sliding operating platform for elevator shaft construction according to claim 2, characterized in that: The support member also includes a temporary positioning steel wire rope arranged on the first side, and the temporary positioning steel wire rope is used to connect the connecting pin when the lifting platform rises and to connect the steel bars inside the shear wall when the lifting platform is supported.

4. The sliding operating platform for elevator shaft construction according to claim 1, characterized in that: A locking rod is rotatably mounted on the load-bearing main beam, and the locking rod extends axially along the load-bearing main beam. Bending heads are respectively arranged at both ends of the locking rod, and the bending directions of the two bending heads are opposite. The bending head on the locking rod away from the base is used for clamping and connecting with the shear wall.

5. The sliding operating platform for elevator shaft construction according to claim 1, characterized in that: A plurality of rolling legs are also arranged on the base, and each rolling leg is arranged with a rolling wheel.

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