CN113175201A - A operation platform that rises that slides for elevartor shaft construction - Google Patents
A operation platform that rises that slides for elevartor shaft construction Download PDFInfo
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- CN113175201A CN113175201A CN202110524819.8A CN202110524819A CN113175201A CN 113175201 A CN113175201 A CN 113175201A CN 202110524819 A CN202110524819 A CN 202110524819A CN 113175201 A CN113175201 A CN 113175201A
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- elevator shaft
- shear wall
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- 238000009415 formwork Methods 0.000 claims abstract description 64
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- 238000000465 moulding Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/22—Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising and which are not anchored in the hardened concrete; Arrangements of lifting means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
本发明涉及建筑工程技术领域，公开了一种用于电梯井施工的滑升操作平台，包括滑升平台和提升装置，滑升平台上布置有墙体模板，滑升操作平台还包括用于与电梯井的剪力墙可拆装配以逐层提升的滑升轨道，滑升轨道具有底部与已施工的剪力墙连接、顶部悬空的第一状态，滑升轨道还具有顶部和底部均与剪力墙连接的第二状态；滑升平台上还布置有用于与电梯井可拆连接的支撑件。施工人员将滑升轨道处于第一状态，滑升轨道与墙体模板配合用于建造剪力墙；在该层剪力墙施工完成后，滑升轨道处于第二状态，施工人员可拆除滑升轨道并使滑升轨道处于第一状态，依次完成各个楼层剪力墙的施工，滑升轨道的尺寸小，提高施工机动性，降低施工成本。
The invention relates to the technical field of construction engineering, and discloses a sliding operation platform for elevator shaft construction, comprising a sliding platform and a lifting device, a wall template is arranged on the sliding platform, and the sliding operation platform further comprises The shear wall of the elevator shaft can be disassembled and assembled with a sliding track that is lifted layer by floor. The sliding track has the first state that the bottom is connected to the constructed shear wall and the top is suspended. The second state of the shear wall connection; a support member for detachable connection with the elevator shaft is also arranged on the sliding platform. The construction personnel put the sliding rail in the first state, and the sliding rail and the wall formwork are used to construct the shear wall; after the construction of the shear wall on this layer is completed, the sliding rail is in the second state, and the construction personnel can remove the sliding rail. The track and the sliding track are in the first state, and the construction of the shear walls on each floor is completed in turn. The size of the sliding track is small, which improves the construction mobility and reduces the construction cost.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to a sliding lifting operation platform for elevator shaft construction.
Background
The key points of on-site safety control during the construction and the protection of the elevator shaft edge of the high-rise building are provided. Typically the hoistway access runs through the entire building and the sides of the hoistway are weighed with shear walls. When the construction of the elevator shaft side shear wall of each floor is carried out, a worker has to have a safe operation platform to carry out the formwork supporting construction of the elevator shaft shear wall.
In actual field operation, several methods, such as erecting an operation platform by a scaffold, reserving a reinforcing mesh operation platform on the floor, shaping and processing a truss-type operation platform in a factory, are generally adopted to construct the side structure of the elevator hoistway.
Although the scaffold erecting operation platform is most commonly used and has lower cost, the erecting height of the scaffold operation platform is limited to a certain extent, and the construction requirement of the elevator shaft of the high-rise building cannot be met. The floor reserved reinforcing mesh operation platform is widely applied, namely, when the construction of the structure around the elevator shaft is carried out, the reinforcing mesh is reserved around the elevator shaft of each floor in advance, and then a template is laid on the reinforcing mesh surface, so that the safety operation platform for the construction of the structure around the elevator shaft is formed; although the construction mode of reserving reinforcing mesh operation platform gets rid of the restriction of floor height, because reinforcing mesh is flexible great, when the workman operates on this type of platform face, appear partly regional load excessively to concentrate easily, the fail safe nature is relatively low. The factory shaping processing truss type operating platform is a molding product generally, and is a truss type stable structure generally, but because the specifications of elevator shafts of each building are not consistent, the molding product is required to be processed and customized according to the actual situation of each project, so that the construction cost is greatly increased, and the cost control is not favorable.
The chinese utility model patent with the publication number of CN211447720U discloses a climbing type elevator shaft construction operation platform, which is installed in an elevator shaft on a main structure, and comprises a climbing frame which is arranged in the elevator shaft and can climb upwards along the elevator shaft, wherein a supporting and limiting structure matched with the main structure is installed on the side part of the climbing frame, and the climbing frame is supported and limited on the main structure through the supporting and limiting structure; and the operation platform is hung on the climbing frame and can be lifted along the climbing frame.
The climbing frame is arranged in the elevator shaft, the operation platform lifts on the climbing frame layer by using the crane, construction is carried out on the elevator shaft on each layer, the height limitation of the existing operation platform is broken through, and the safety is high. However, the climbing frame needs to penetrate through the whole building structure during construction so as to ensure that the operation platform can carry out shear wall construction on each floor, the climbing frame is overlarge in size, the field construction maneuverability is poor, and meanwhile, the construction cost is increased.
Disclosure of Invention
The purpose of the invention is: the utility model provides a smooth operation platform that rises for elevartor shaft construction to solve the operation platform among the prior art's the frame that climbs too big, construction mobility is poor, problem with high costs.
In order to achieve the above purpose, the present invention provides a sliding-lifting operation platform for elevator shaft construction, comprising a sliding-lifting platform and a lifting device connected with the sliding-lifting platform, wherein a wall form for elevator shaft shear wall construction is arranged on the sliding-lifting platform, the sliding-lifting operation platform further comprises a sliding-lifting track which is detachably matched with a shear wall of an elevator shaft for layer-by-layer lifting, the sliding-lifting track has a first state that the bottom is connected with the constructed shear wall and the top is suspended to serve as a construction form, and the sliding-lifting track also has a second state that the top and the bottom are both connected with the shear wall after the shear wall is constructed and formed so that the sliding-lifting platform is guided to lift;
the support piece is used for being connected with the elevator shaft when the sliding rail is in a first state so as to support the sliding platform, and the sliding rail is disconnected with the elevator shaft when in a second state so as to avoid the elevator shaft.
Preferably, the sliding rail comprises a rail body and a fixing plate connected with the rail body, and the upper end and the lower end of the fixing plate are respectively provided with a connecting hole for enabling an embedded bolt on a shear wall to penetrate through for connection.
Preferably, the rail body comprises two flanges parallel to each other and a web connecting the two flanges, the flanges are arranged in parallel with the fixing plate, and the sliding-lifting platform is provided with sliding-lifting rollers extending between the two flanges.
Preferably, the flange far away from the fixing plate is detachably connected with the wall formwork through an inter-plate connecting plate and a flange bolt, and a plurality of inter-plate connecting plates and a plurality of flange bolts are arranged at intervals along the extending direction of the flange.
Preferably, the lift platform includes the platform board body, the platform board body has the first side that is close to the shear force wall and the second side that is close to the floor, support piece includes that elasticity is arranged the plug and the removable arrangement of first side are in the location horizontal pole on second side, it is used for the installation to have arranged on the first side of platform board body the slot of plug, the plug is used for the elasticity cartridge in the reservation inslot of shear force wall, the confession has been arranged on the second side the socket of location horizontal pole cartridge, the location horizontal pole is used for erectting on the floor.
Preferably, the plug includes a connecting pin movably assembled in the slot and a spring press-fitted between the slot bottom of the slot and the connecting pin, and an end surface of one end of the connecting pin, which is used for being inserted into the preformed slot, is an inclined surface.
Preferably, the support further comprises a temporary positioning steel wire rope arranged on the first side edge, and the temporary positioning steel wire rope is used for connecting the connecting pin when the sliding lifting platform ascends and connecting the in-wall steel bar of the shear wall when the sliding lifting platform supports.
Preferably, the lifting device comprises a base and a bearing main beam connected with the base, a traction motor and a bearing load are arranged on the base, a lifting hanging ring is arranged on the sliding lifting platform, the traction motor is connected with the lifting hanging ring through a steel wire rope, and a lifting pulley matched with the steel wire rope is arranged on the bearing main beam.
Preferably, the bearing girder is provided with a clamping rod in a rotating mode, the clamping rod extends along the axial direction of the bearing girder, two ends of the clamping rod are respectively provided with a bending head, the bending directions of the two bending heads are opposite, and the bending head far away from the base on the clamping rod is used for being clamped and connected with the shear wall.
Preferably, a plurality of rolling support legs are further arranged on the base, and rolling wheels are arranged on each rolling support leg.
Compared with the prior art, the sliding lifting operation platform for elevator shaft construction has the beneficial effects that: the sliding rail and the shear wall are detachably fixed, when the construction of the elevator shaft wall is carried out, a constructor fixes the bottom end of the sliding rail on the constructed shear wall, the top end of the sliding rail is suspended, the sliding rail is in a first state at the moment, the sliding rail can be used as a part of a construction template of the shear wall and matched with a wall template for constructing the shear wall, and the sliding platform is supported on the constructed elevator shaft part by utilizing a supporting piece at the moment; after the shear wall construction of the layer is completed, the top of the sliding rail is also detachably connected with the shear wall, the sliding rail is in the second state, an operator disconnects the supporting piece from the elevator shaft, the lifting device lifts the sliding platform to the top of the sliding rail on the sliding rail to perform the shear wall construction of the next layer, after the sliding rail moves in place, the constructor can detach the sliding rail and lift the sliding rail to the construction position, so that the sliding rail is in the first state, the supporting piece is connected with the shear wall to support the sliding platform, the construction of the shear walls of all floors is completed in sequence, the size of the sliding rail is small, a climbing frame penetrating through the whole floor is omitted, the construction flexibility is improved, and the construction cost is reduced.
Drawings
Fig. 1 is a schematic plan view of a sliding-lift operating platform for elevator shaft construction of the present invention;
fig. 2 is a side schematic view of a sliding-lift operating platform for elevator shaft construction of the present invention;
fig. 3 is a cross-sectional schematic view of a sliding-lift platform of the present invention for use in a sliding-lift operation of elevator shaft construction;
fig. 4 is a schematic view of the connection of the sliding-lift platform of the sliding-lift operation platform for elevator shaft construction to a shear wall of the present invention;
fig. 5 is a side schematic view of the diagonal bar of the inventive skid-lift platform for elevator shaft construction;
fig. 6 is a front schematic view of the diagonal rods of the inventive skid-lift platform for elevator shaft construction;
fig. 7 is a top view of the diagonal bar of the lift-slide operating platform of the present invention for elevator shaft construction;
fig. 8 is a cross-sectional view of the diagonal bar of the sliding-lift working platform for elevator shaft construction of the present invention;
FIG. 9 is an enlarged schematic view of the positioning and connection assembly of the diagonals of FIG. 8;
fig. 10 is a schematic structural view of a hoist rail of the hoist operating platform for elevator shaft construction of the present invention;
fig. 11 is a sectional a-a view of the hoist rail of the hoist operating platform for elevator shaft construction of fig. 10;
fig. 12 is a B-B sectional view of the hoist rail of the hoist operating platform for elevator shaft construction of fig. 10;
fig. 13 is a plan view of the lifting device of the present invention for a sliding-lift operation platform for elevator shaft construction;
fig. 14 is a side schematic view of a lifting device of a sliding-lift operating platform for elevator shaft construction of the present invention;
fig. 15 is a schematic structural view of the first rotary die plate and the second rotary die plate of the sliding-lift operation platform for elevator shaft construction of the present invention when not rotated out;
fig. 16 is a schematic view of the first rotary formwork of the sliding-lift working platform for elevator shaft construction of the present invention rotated out;
fig. 17 is a schematic structural view of the sliding-lift operation platform for elevator shaft construction of the present invention with both the first rotary die plate and the second rotary die plate rotated out;
fig. 18 is a schematic structural view of the wall form of the sliding-lift operation platform for elevator shaft construction of the present invention when pushed out.
In the figure, 1, a shear wall; 101. reserving a groove; 102. reinforcing steel bars in the wall; 2. a floor slab; 3. sliding and lifting the platform; 31. a platform plate body; 32. a plug; 33. positioning the cross bar; 34. sliding up the roller; 35. a spring; 36. a connecting pin; 37. a landing plate side hoisting ring; 38. temporarily positioning the steel wire rope; 4. lifting the lifting ring; 5. a sliding track; 51. a track body; 52. a first clamping plate; 53. a first connecting bolt; 54. a second clamping plate; 55. a second connecting bolt; 6. a first template; 7. a second template; 8. a first rotary hinge; 9. a first rotating die plate; 10. a third template; 11. a fourth template; 12. a second rotary hinge; 13. a second rotating stencil; 14. a diagonal bar; 141. an upper connecting rod; 142. a hinged seat; 143. a lower connecting rod; 144. a sliding cylinder; 145. rotating the sleeve upwards; 146. a lower rotating sleeve; 147. a connecting sleeve; 148. a sole roller; 15. a template bottom roller; 16. an inter-plate connecting plate; 17. sliding up the rail; 171. a rail body; 172. a flange bolt; 18. embedding bolts in advance; 19. a lifting device; 191. a load-bearing main beam; 192. a rectangular ring beam; 193. an inner cross beam; 194. an inner stringer; 195. an inner connecting beam; 196. a traction motor; 197. a sand bag; 198. a position clamping rod; 199. a rotating shaft; 1910. a first lifting pulley; 1911. a first cantilever beam; 1912. a first wire rope; 1913. a second lifting pulley; 1914. a second cantilever beam; 1915. a second wire rope; 1916. a bottom vertical beam; 1917. and (6) rolling the supporting legs.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The preferred embodiment of the sliding-lifting operation platform for elevator shaft construction of the invention is shown in fig. 1 to 18, and comprises a sliding-lifting platform 3, a lifting device 19, a sliding-lifting rail 17 and a wall form, wherein the sliding-lifting platform 3 provides construction space for constructors, the lifting device 19 is used for lifting the sliding-lifting platform 3 upwards, the sliding-lifting rail 17 is lifted layer by layer along a construction floor, the sliding-lifting rail 17 is used for guiding and assembling with the sliding-lifting platform 3, so that the whole sliding-lifting platform 3 can uniformly lift along the sliding-lifting rail 17, and the sliding-lifting platform 3 is prevented from inclining under the nonuniform effect of lifting force.
Generally, the elevator shaft is surrounded by a shear wall 1 and a floor slab 2, and the shear wall 1 is a bearing structure of the elevator shaft. In the field construction, after the construction of the shear wall 1 and the floor slab 2 of a certain floor is completed, because the interior of the elevator shaft is hollow from top to bottom, when the construction of the next floor is carried out, the shear wall 1 of the next floor does not have an operating platform for an constructor to stand, the erection of a template on one side of the shear wall 1 of the next floor cannot be carried out, and the sliding lifting operating platform for the construction of the elevator shaft provides a construction platform for the construction of the elevator shaft. In this embodiment, two sides of the elevator shaft are the shear walls 1 and two sides are the floor slabs 2, two shear walls 1 are adjacent, two floor slabs 2 are adjacent, and in this embodiment, the number and the positions of the shear walls 1 and the floor slabs 2 can be selected according to actual construction conditions.
The sliding platform 3 comprises a platform plate body 31, and the platform plate body 31 provides a standing station for constructors. The platform plate body 31 is a rectangular flat plate structure, four edges of the platform plate body correspond to four edges of the elevator shaft in parallel, and the edge of the platform plate body 31 close to the shear wall 1 is defined as a first side edge, and the edge close to the floor 2 is defined as a second side edge. Rectangular gaps are arranged in the middle of the first edge of the sliding-lifting platform 3 and used for arranging sliding-lifting rails 17, so that the sliding-lifting rails 17 can be flush with wall formworks on the sliding-lifting platform 3.
The sliding rail 17 and the shear wall 1 can be assembled in a detachable mode so as to achieve layer-by-layer lifting along with construction of the shear wall 1. The sliding rail 17 comprises a rail body 171 and a fixing plate connected with the rail body 171, the fixing plate is connected with the rail body 171 through a web, and the fixing plate is detachably connected with the shear wall 1. Connecting holes are respectively formed in the upper end and the lower end of the fixing plate, the connecting holes can penetrate through embedded bolts 18 embedded in the shear wall 1, and the whole sliding rail 17 is temporarily fixed on the side face of the shear wall 1. The upper end and the lower end are respectively provided with four connecting holes which are arranged in a rectangle.
After the construction of a certain floor is completed, a constructor can utilize the lifting device 19 to lift the sliding and lifting platform 3, the whole sliding and lifting platform 3 is lifted upwards in a sliding and lifting way 17 in a sliding mode, after the sliding and lifting platform 3 slides to the floor to be constructed at the top of the sliding and lifting way 17, the sliding and lifting platform 3 is temporarily supported in the elevator shaft by utilizing the supporting piece, and at the moment, the sliding and lifting way 17 is in the second state. And then the constructor removes the embedded bolts 18 on the fixing plate of the sliding rail 17, manually extracts the sliding rail 17, connects the connecting holes at the bottom of the fixing plate of the sliding rail 17 with the embedded bolts 18 in the constructed shear wall 1, suspends the top of the sliding rail 17, and at the moment, the sliding rail 17 is in a first state, and the sliding rail 17 can be used as a part of a construction template of the shear wall 1.
The rail body 171 comprises two flanges which are parallel to each other and a web plate which is connected with the two flanges, the web plate and the flanges are perpendicular to each other, the flanges are arranged in parallel with the fixing plate, the width of the flanges is smaller than that of the fixing plate, and the whole sliding rail 17 is of a structure shaped like a Chinese character 'wang'. The two flanges are spaced, the two sliding-lifting rollers 34 are arranged in each rectangular notch of the sliding-lifting platform 3, the two sliding-lifting rollers 34 are symmetrically arranged, and the two sliding-lifting rollers 34 extend into the space between the two flanges and are positioned on the two sides of the web. When the sliding-lifting platform 3 is lifted, the sliding-lifting rollers 34 contact with the flanges, so that the sliding-lifting platform 3 uniformly rises along the sliding-lifting rails 17, and the sliding-lifting platform 3 is prevented from inclining.
The flange far away from the fixed edge is provided with the inter-plate connecting plates 16, the inter-plate connecting plates 16 are arranged at intervals along the extending direction of the flange, and the inter-plate connecting plates 16 are detachably connected with the flange through flange bolts 172. The other end of the inter-plate connecting plate 16 is detachably connected with the wall formwork through a flange bolt 172, and the inter-plate connecting plate 16 connects the sliding rail 17 with the wall formwork, so that the sliding rail 17 and the wall formwork together form a construction formwork of the shear wall 1.
And supporting pieces are arranged on the first side and the second side of the sliding platform 3, and the supporting pieces are detachably connected with the elevator shaft so as to change the supporting state of the sliding platform 3. When the sliding lifting rail 17 is in the first state, the supporting piece is used for being connected with an elevator shaft to temporarily support the sliding lifting platform 3 for a constructor to carry out construction operation on the shear wall 1; when the sliding rail 17 is in the second state, the supporting piece is disconnected with the elevator shaft, the elevator shaft is avoided, and the sliding platform 3 is prevented from interfering with the elevator shaft when sliding.
The support piece comprises plugs 32, a positioning cross rod 33 and a temporary positioning steel wire rope 38, the plugs 32 are elastically arranged on first sides of the platform plate body 31, two plugs 32 are arranged on each first side, and the two plugs 32 are evenly and symmetrically arranged on two sides of a rectangular notch of the first side. The shear wall 1 is provided with a rectangular preformed groove 101 in a reserved mode, and the plug 32 can be elastically inserted into the preformed groove 101 to support the platform plate body 31. The positioning cross rods 33 can be detachably arranged on the second sides of the platform plate body 31, a plurality of positioning cross rods 33 are arranged on each second side at intervals, and the positioning cross rods 33 are used for being erected on the floor slab 2 to support the platform plate body 31.
The slot has been arranged on the first side, and plug 32 elastic assembly is in the slot, and the slot is the cube structure, and plug 32 can insert in the slot in order to avoid when the lift platform 3 rises to interfere with the elevartor shaft. The plug 32 comprises a connecting pin 36 and a spring 35, the connecting pin 36 is movably assembled in the slot, the spring 35 is pressed and assembled between the bottom of the slot and the connecting pin 36, and two ends of the spring 35 are respectively welded and fixed with the bottom of the slot and the connecting pin 36. An end surface of the connecting pin 36 at one end for insertion into the prepared groove 101 is an inclined surface to facilitate the withdrawal of the connecting pin 36.
When the sliding platform 3 slides to the next floor for construction, under the elastic action of the spring 35, the connecting pin 36 can elastically extend into the preformed groove 101 of the shear wall 1 to support the platform plate body 31, and at this time, the sliding platform 3 can be temporarily fixed to prevent the whole sliding platform 3 from falling. When the sliding platform 3 needs to be lifted, the constructor overcomes the elastic force of the spring 35 and pulls back the connecting pin 36, and the connecting pin 36 enters the slot, so that the lifting of the sliding platform 3 is prevented from being influenced by the interference of the plug 32 and the shear wall 1.
A socket is uniformly arranged on each second side edge, a plurality of sockets are uniformly arranged on the second side edges, and a positioning cross rod 33 is inserted into one socket. When the whole sliding platform 3 is located on a certain floor, the positioning cross rod 33 can be inserted into the socket on the side surface of the platform plate body 31, the other end of the positioning cross rod 33 is erected on the top surface of the floor plate 2, and at the moment, the two second side edges of the sliding platform 3 can be temporarily supported and fixed. When the construction of one floor is completed and the whole sliding-lifting platform 3 is lifted upwards, the constructor can draw out the positioning cross rod 33, so that the sliding-lifting platform 3 is lifted without obstruction.
The end face of the first side of the platform plate body 31 is also provided with a platform plate side hanging ring 37, the temporary positioning steel wire rope 38 is connected to the platform plate side hanging ring 37, and the other end of the temporary positioning steel wire rope 38 is used for being connected with the connecting pin 36 or the steel bar 102 in the shear wall 1. When the sliding platform 3 is temporarily supported by the supporting member, the temporary positioning wire 38 may be temporarily connected to the reinforcing bars 102 in the wall in order to increase the reliability of the temporary fixation; after one floor construction is completed, the sliding lifting platform 3 slides upwards, the connection between the temporary positioning steel wire rope 38 and the steel bar 102 in the wall can be released, the plug 32 is pulled out of the preformed groove 101 of the shear wall 1, the temporary positioning steel wire rope 38 is temporarily connected with the connecting pin 36 of the plug 32, and therefore the whole sliding lifting platform 3 is separated from the shear wall 1.
The lifting device 19 comprises a base, a bearing main beam 191, a traction motor 196 and a bearing load, wherein the base is a supporting base of the lifting device 19, and the bearing main beam 191, the traction motor 196 and the bearing load are all arranged on the base. The bearing main beam 191 is connected to the middle of the base, the bearing main beam 191 is a bearing main body used for lifting the sliding and lifting platform 3, the bearing main beam 191 is made of I-steel or channel steel, one end of the bearing main beam 191 is connected to the middle of the base, and even if the rectangular ring beam 192 is arranged in an axisymmetric mode by taking the bearing main beam 191 as the axis. Two rotating shafts 199 are respectively arranged at two ends of the top surface of the main bearing beam 191, a clamping rod 198 is connected between the two rotating shafts 199, the clamping rod 198 is rotatably assembled on the main bearing beam 191, and the clamping rod 198 extends along the axial direction of the main bearing beam 191. Bending heads are respectively arranged at two ends of the clamping rod 198, and the bending directions of the two bending heads are opposite, so that the two bending heads extend out from different directions. The lower part of one end of the main bearing beam 191 far away from the base is vertically connected with a bottom vertical beam 1916, when the clamping rod 198 rotates, the bending head and the bottom vertical beam 1916 are respectively positioned at two sides of the shear wall 1, so that the bending head and the bottom vertical beam 1916 are clamped with the shear wall 1, the end part of the main bearing beam 191 is temporarily connected with the shear wall 1, and the main bearing beam 191 is prevented from moving.
The base comprises a rectangular ring beam 192, an inner cross beam 193, an inner longitudinal beam 194 and an inner connecting beam 195, the plane of the rectangular ring beam 192 is in a rectangular ring structure, four rolling support legs 1917 are arranged at four corners of the bottom of the rectangular ring beam 192, rolling wheels are arranged on each rolling support leg 1917, and the rolling support legs 1917 and the rolling wheels are convenient for the rectangular ring beam 192 to move on the floor slab 2. One end of the main bearing beam 191 is connected to the middle of one side of the rectangular ring beam 192, so that the rectangular ring beam 192 is arranged in an axisymmetric manner with the main bearing beam 191. An inner cross beam 193, an inner longitudinal beam 194 and an inner cross beam 195 are arranged inside the rectangular ring beam 192, the inner longitudinal beam 194 is provided with a plurality of strips, the plane distribution of the inner longitudinal beam 194 is axisymmetrically distributed by taking the load-bearing main beam 191 as an axis, the inner cross beam 193 is connected among all the inner longitudinal beams 194 on one side, and the arrangement positions of all the inner cross beams 193 are mainly set according to the arrangement conditions of the traction motor 196 and the load-bearing load.
In this embodiment, the load-bearing load is the sandbag 197, and the sandbag 197 is used for preventing the base from inclining due to the force of the base when lifting the sliding platform 3. The traction motor 196 is arranged on the base, the plane truss formed by connecting the inner cross beam 193 and the inner longitudinal beams 194 mainly bears the weight of the traction motor 196 and the sand bags 197, the two inner longitudinal beams 194 which are distributed around the bearing main beam 191 in an axisymmetric way and are close to the bearing main beam 191 are connected together by the inner cross beam 195, and the traction motor and the sand bags 197 are placed on the top surface of the truss formed by the inner cross beam 193 and the inner longitudinal beams 194. The sandbags 197 are used for ballasting the load-bearing main beam 191 under the action of stress, the traction motors 196 are used as power sources of the whole lifting device 19, the number of the traction motors 196 is two, and the two traction motors 196 are symmetrically distributed by taking the load-bearing main beam 191 as an axial plane.
Lifting hanging rings 4 are arranged on the platform plate body 31, the number of the lifting hanging rings 4 is four, the four lifting hanging rings 4 are uniformly arranged in a rectangular shape, and the traction motor 196 is connected with the lifting hanging rings 4 through a steel wire rope. Two groups of cantilever beams are vertically arranged on the bearing main beam 191 and are used for supporting lifting pulleys, the two groups of cantilever beams are respectively and rotatably assembled with the lifting pulleys, the steel wire rope bypasses the lifting pulleys to be connected with the lifting rings 4, and the lifting pulleys are used for changing the trend of the steel wire rope and reducing the lifting resistance.
Two groups of cantilever beams are defined as a first cantilever beam 1911 and a second cantilever beam 1914 respectively, the lifting pulley on the first cantilever beam 1911 is a first lifting pulley 1910, the lifting pulley on the second cantilever beam 1914 is a second lifting pulley 1913, the number of the first cantilever beam 1911 and the second cantilever beam 1914 is two respectively, the first lifting pulley 1910 is rotatably assembled between the two first cantilever beams 1911, and the second lifting pulley 1913 is rotatably assembled between the two second cantilever beams 1914. The two traction motors 196 are each connected to a wire rope, which defines two wire ropes as a first wire rope 1912 and a second wire rope 1915, the first wire rope 1912 is suspended through the first lifting pulley 1910, and is connected to the two lifting slings 4 on the same side at the bottom of the sliding platform 3, and the first wire rope 1912 is passed through the gap between the two first suspension beams 1911. Similarly, a second wire rope 1915 is suspended through a second lifting sheave 1913 and connected to two lifting eyes 4 on the other side of the top of the heave platform 3, with a gap between the two second cantilever beams 1914 through which the second wire rope 1915 passes.
In this embodiment, the number of first sides is two, and two first sides mutually perpendicular and adjacent arrangement, two first sides are two adjacent right-angle sides of platform plate body 31 promptly. Each first side edge is provided with a sliding rail 17, two first side edges are provided with wall formworks, the wall formworks are parallel to the shear wall 1, and the wall formworks and the sliding rails 17 are connected through flange bolts 172 to form a construction formwork of the shear wall 1.
The wall formwork is arranged on the sliding lifting platform 3 and used for providing formwork support for construction of the shear wall 1 of the elevator shaft. The top surface of the platform plate body 31 of the sliding-lifting platform 3 is provided with a sliding rail 5, the longitudinal direction of the sliding rail 5 is perpendicular to the side edge of the platform plate body 31, and the sliding rail 5 is arranged along the first side edge of the platform plate body 31 close to the shear wall 1. The sliding tracks 5 are divided into two groups, each group of sliding tracks 5 is perpendicular to a corresponding first side edge, the sliding tracks 5 in each group are parallel to each other, and the wall formwork is assembled on the sliding tracks 5 in a sliding mode.
The wall formwork comprises 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, 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 two sides of the sliding rail 17, and the third formwork 10 and the fourth formwork 11 are located on two sides of the sliding rail 17. The first template 6, the second template 7, the third template 10 and the fourth template 11 are all shaped templates, such as steel templates, aluminum templates and the like, and the width dimensions of the first template 6 and the third template 10 are larger than those of the second template 7 and the fourth template 11, so that the number of the sliding tracks 5 at the bottoms of the first template 6 and the third template 10 is relatively large.
The bottom of the first template 6, the bottom of the second template 7, the bottom of the third template 10 and the bottom of the fourth template 11 are respectively provided with a template bottom roller 15, the template bottom rollers 15 are assembled in the sliding rails 5 in a rolling mode, the number of the template bottom rollers 15 is the same as that of the sliding rails 5, the template bottom rollers 15 can realize the longitudinal free movement of the first template 6, the second template 7, the third template 10 and the fourth template 11 in the sliding rails 5, the resistance of the first template 6, the second template 7, the third template 10 and the fourth template 11 during movement is reduced, and the workload of constructors is reduced.
The surface of the second rotating template 13, which is far away from the shear wall 1 and faces the interior of the elevator shaft, is an inward-concave arc surface, so that the thickness of the second rotating template 13 is gradually reduced along the direction close to the first rotating template 9. The reason for this is that 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 formwork supporting formworks of the shear wall 1, a construction formwork system of the shear wall 1 is enclosed, the ends of the first rotating formwork 9 and the second rotating formwork 13 are adjacent, after concrete pouring of the shear wall 1 is completed, all formworks need to be withdrawn and lifted to the next floor for construction of the shear wall 1, the formworks can be pulled out along the sliding rail 5, the second formwork 7 and the fourth formwork 11 are interfered and cannot be pulled out due to fixing of the sliding rail 5, and at this time, the first rotating formwork 9 and the second rotating formwork 13 only need to be rotated out in advance to provide a space for withdrawing the second formwork 7 and the fourth formwork 11. The side surface of the second rotating template 13 is made into a circular arc shape, so that the first rotating template 9 can be avoided, the first rotating template 9 can conveniently rotate out, and the arc surface forms an avoiding notch on the second rotating template 13.
When the shear wall 1 is constructed, for the shear wall 1 on the same side, a first template 6, a second template 7, a first rotating template 9 and a sliding rail 17 form a construction template system, and the corresponding shear wall 1 on the other side, a third template 10, a fourth template 11, a second rotating template 13 and a sliding rail 17 form a construction template system of the shear wall 1 on the other side. The first form 6 and the second form 7 are connected to the slide rail 17 via an inter-plate connecting plate 16, and similarly, the third form 10 and the fourth form 11 are connected to the slide rail 17 via an inter-plate connecting plate 16.
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 inclined rods 14, the number of the inclined rods 14 is the same as that of the sliding rails 5, the bottom of each inclined rod 14 is provided with a rod bottom roller 148, and the rod bottom rollers 148 are assembled in the sliding rails 5 in a rolling mode. The top end of the diagonal member 14 is provided with a hinge seat 142, and the hinge seat 142 is adapted to be fixedly fitted to each formwork so that the top portion can be rotated in a vertical plane when the bottom portion of the diagonal member 14 is slid in the slide rail 5. The top inclined rods 14 of the inclined rods 14 are used for obliquely supporting the side surfaces of the first formwork 6, the second formwork 7, the third formwork 10 and the fourth formwork 11, so that the formworks are prevented from being turned over, and the formworks and the inclined rods 14 form a stable triangular support system.
The length of the diagonal rod 14 is adjustable, so that the diagonal rod has enough rigidity and certain telescopic flexibility. The down tube 14 includes an upper connection rod 141, a lower connection rod 143, a sliding cylinder 144, an upper rotating sleeve 145, a lower rotating sleeve 146, and a connection sleeve 147, the sliding cylinder 144 being disposed on the lower connection rod 143, the upper rotating sleeve 145, the lower rotating sleeve 146, and the connection sleeve 147 forming a positioning connection assembly for positioning the upper connection rod 141 and the sliding cylinder 144.
The upper connecting rod 141 has a circular cross-section, and a hinge seat 142 is disposed at the top end of the upper connecting rod 141, and the upper connecting rod 141 is hinged to each of the mold plates through the hinge seat 142. The sole roller 148 is disposed at the bottom end of the lower connecting rod 143, and the lower connecting rod 143 is roll-fitted in the slide rail 5 by the sole roller 148. The lower connecting rod 143 is fixedly provided with a sliding cylinder 144 near the top end of the upper connecting rod 141, the sliding cylinder 144 is of a hollow structure, the cross section of the sliding cylinder 144 is a circular ring, and the lower end of the upper connecting rod 141 is inserted into the hollow space inside the sliding cylinder 144. A connecting spring is further arranged in the sliding cylinder 144, after the upper connecting rod 141 is inserted into the sliding cylinder 144, one end of the connecting spring is connected with the cylinder bottom of the sliding cylinder 144, and the other end of the connecting spring is connected with the upper connecting rod 141, and the connecting spring can enable the upper connecting rod 141 to slide in the sliding cylinder 144, but cannot enable the upper connecting rod 141 and the sliding cylinder 144 to be easily separated.
The bottom end of the upper connecting rod 141 is provided with threads, the inner and outer of the upper rotating sleeve 145 are provided with threads, and the upper rotating sleeve 145 is assembled on the upper connecting rod 141 by threads. The outside of the sliding cylinder 144 is provided with threads, the outside diameter of the sliding cylinder 144 is larger than the outside diameters of the upper connecting rod 141 and the lower connecting rod 143, the outside threads of the sliding cylinder 144 are rotatably assembled with a lower rotating sleeve 146, and the inside and the outside of the lower rotating sleeve 146 are both provided with threads. Since the outer diameter of the sliding cylinder 144 is large relative to the outer diameter of the upper connecting rod 141, the inner diameter of the upper rotating sleeve 145 is small compared to the inner diameter of the lower rotating sleeve 146, and the outer diameters of the upper and lower rotating sleeves 145 and 146 are the same. The inner side of the connecting sleeve 147 is provided with threads which can be screwed in and out on the outer side of the upper rotating sleeve 145 and the lower rotating sleeve 146, and the upper rotating sleeve 145 and the lower rotating sleeve 146 are in threaded connection through the connecting sleeve 147, so that the upper rotating sleeve 145 and the lower rotating sleeve 146 can be connected or separated.
The sliding rail 5 comprises a rail body 51, a first clamping plate 52, a first connecting bolt 53, a second clamping plate 54 and a second connecting bolt 55, wherein the cross section of the rail body 51 is U-shaped, the upper part of the rail body 51 is not completely opened, and the template bottom roller 15 and the rod bottom roller 148 are both assembled in the rail body 51 in a rolling manner. Transverse baffles are arranged at two ends of the track body 51 and used for limiting the positions of the template bottom roller 15 and the rod bottom roller 148 and preventing the template bottom roller 15 and the rod bottom roller 148 from running out of the track body 51.
The first blocking plate 52 is detachably arranged at one end of the track body 51 close to the wall formwork, and the first blocking plate 52 is used for positioning the formwork bottom roller 15. The second locking plate 54 is detachably disposed at an end of the rail body 51 away from the wall form, and the second locking plate 54 is used for positioning the rod bottom roller 148. The detachable arrangement allows the first and second position-retaining plates 52, 54 to avoid the moving template bottom roller 15, rod bottom roller 148, and simultaneously limit the template bottom roller 15, rod bottom roller 148 when they are moved in place, preventing them from moving.
In this embodiment, the first locking plate 52 and the second locking plate 54 are both rotatably assembled on the track body 51, the first locking plate 52 and the second locking plate 54 can horizontally rotate on the track body 51, the other end of the first locking plate 52 is detachably connected to the track body 51 through the first connecting bolt 53, and the other end of the second locking plate 54 is detachably connected to the track body 51 through the second connecting bolt 55. When the template bottom roller 15 slides to one end of the track body 51, a constructor can rotate the first clamping plate 52 to clamp the template bottom roller 15 at the end part and keep the end part immovable, and the rotating end of the first clamping plate 52 is connected with the top of the track body 51 by using a first connecting bolt 53; when the rod bottom roller 148 slides to the other end of the rail body 51, the constructor can rotate the second blocking plate 54 to block the rod bottom roller 148 at the end, and the rotating end of the second blocking plate 54 is connected with the top of the rail body 51 by the second connecting bolt 55.
The working process of the sliding lifting operation platform for elevator shaft construction comprises the following steps: after the construction of the shear wall 1 and the floor 2 of the elevator shaft of a certain floor is completed, the lifting device 19 is pushed into the floor 2 after the construction is completed, the bearing main beam 191 is just positioned at the central position of the elevator shaft, the bending head of the clamping rod 198 close to the shear wall 1 faces upwards at the moment, the bottom of one end of the bearing main beam 191 is supported at the top of the shear wall 1, the bottom vertical beam 1916 is clamped at the inner side of the shear wall 1, then the bending head of the clamping rod 198 close to the floor 2 is manually rotated on the floor 2 after the construction is completed, the bending head of the clamping plate close to the shear wall 1 is turned to the lower side, and the bending head of the clamping rod 198 close to the shear wall 1 and the bottom vertical beam 1916 enable the bearing main beam 191 to be clamped at the top of the shear wall 1.
Constructors place sandbags 197 on the rectangular ring beams 192 to ballast one ends of the whole lifting devices 19 close to the floor slabs 2, so that the lifting devices 19 are prevented from unstably shaking after being stressed. The traction motor 196 is then activated, the first wire rope 1912 and the second wire rope 1915 are lowered, both are connected to the two lifting eyes 4 on top of the platform body 31 of the pallet 3, respectively, and the traction motor 196 is then reversed, lifting the pallet 3 slightly upwards, and then the traction motor 196 is stopped.
At this time, the plug 32 and the positioning cross bar 33 are temporarily separated from the preformed groove 101 of the shear wall 1 and the floor slab 2, then the temporary positioning wire rope 38 is released, the plug 32 is pressed into the insertion groove of the platform plate body 31 and the plug 32 is temporarily positioned by the temporary positioning wire rope 38, the positioning cross bar 33 is pulled out of the insertion opening of the platform plate body 31, and the preformed groove 101 is sealed by the fine aggregate concrete. The traction motor 196 is started to lift the sliding and lifting platform 3, and then the sliding rail 5, the first template 6, the second template 7, the first rotating hinge 8, the first rotating template 9, the third template 10, the fourth template 11, the second rotating hinge 12, the second rotating template 13, the diagonal rod 14, the template bottom roller 15 and other components are driven to slide and lift upwards along the sliding and lifting rail 17.
After each component is lifted to the next floor to be constructed, the traction motor 196 is stopped, the temporary positioning steel wire rope 38 for temporarily fixing the plug 32 is loosened, the plug 32 automatically pops into the reserved groove 101 of the next floor, the temporary positioning steel wire rope 38 is temporarily connected and fixed with the steel bar 102 in the wall of the shear wall 1, the positioning cross rod 33 is synchronously inserted into the socket on the side surface of the platform plate body 31, the connection between the first steel wire rope 1912 and the second steel wire rope 1915 and the lifting hanging ring 4 is released at the moment, the clamping rod 198 is rotated, the sand bag 197 is removed, the lifting device 19 is integrally pushed out of the elevator shaft, and after the construction of the next floor is finished, the lifting device is manually pushed to the next floor for use.
The connection between the upper part of the sliding rail 17 and the embedded bolts 18 is removed, the sliding rail 17 is drawn out, the lower part of the sliding rail 17 is connected with the embedded bolts 18 at the lower end of the shear wall 1 to be constructed, at the moment, because the shear wall 1 does not contain concrete, the embedded bolts 18 do not exist at the top of the sliding rail 17, and the top of the sliding rail 17 is suspended.
The constructor loosens the connection between the connecting sleeve 147 and the upper and lower rotating sleeves 145, 146, so that the fixation between the upper connecting rod 141 and the sliding cylinder 144 is removed, but the connection between the upper connecting rod 141 and the lower connecting rod 143 is still connected by the connecting spring, at this time, because the diagonal bar 14 and the first, second, third and fourth formworks 6, 7, 10, 11 do not form a triangular support system, the constructor can easily push the first, second, third and fourth formworks 6, 7, 10, 11 to be close to the shear wall 1 to be constructed, after all formworks are adjusted in place, the first clamping plate 52 on the sliding rail 5 clamps the column formwork bottom roller 15, the connecting sleeve 147 is connected with the upper rotating sleeve 145 and the lower rotating sleeve 146, so that the whole diagonal bar 14 becomes a rigid diagonal bar, and the diagonal bar 14, each formwork and the sliding platform 3 form a stable triangular support system, the first template 6, the second template 7, the third template 10 and the fourth template 11 are temporarily and fixedly connected with the sliding rails 17 through the inter-plate connecting plates 16, at this time, all the templates and the sliding rails 17 form a side template supporting system of the shear wall 1 through the sliding platform 3, and further the construction of the shear wall 1 around the elevator shaft of the floor can be carried out.
After the construction of one floor is finished, the construction work of the elevator shaft of each floor can be carried out repeatedly according to the procedures.
To sum up, the embodiment of the invention provides a sliding-lifting operation platform for elevator shaft construction, wherein a sliding-lifting track and a shear wall are detachably fixed, when the elevator shaft wall construction is carried out, a constructor fixes the bottom end of the sliding-lifting track on the shear wall which is already constructed, the top end of the sliding-lifting track is suspended, the sliding-lifting track is in a first state, the sliding-lifting track can be used as a part of a construction template of the shear wall and is matched with a wall template for constructing the shear wall, and the sliding-lifting platform is supported on the elevator shaft part which is already constructed by utilizing a supporting piece; after the shear wall construction of the layer is completed, the top of the sliding rail is also detachably connected with the shear wall, the sliding rail is in the second state, an operator disconnects the supporting piece from the elevator shaft, the lifting device lifts the sliding platform to the top of the sliding rail on the sliding rail to perform the shear wall construction of the next layer, after the sliding rail moves in place, the constructor can detach the sliding rail and lift the sliding rail to the construction position, so that the sliding rail is in the first state, the supporting piece is connected with the shear wall to support the sliding platform, the construction of the shear walls of all floors is completed in sequence, the size of the sliding rail is small, a climbing frame penetrating through the whole floor is omitted, the construction flexibility is improved, and the construction cost is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
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| CN202110524819.8A CN113175201A (en) | 2021-05-13 | 2021-05-13 | A operation platform that rises that slides for elevartor shaft construction |
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| CN202110524819.8A CN113175201A (en) | 2021-05-13 | 2021-05-13 | A operation platform that rises that slides for elevartor shaft construction |
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| CN113175201A true CN113175201A (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756580A (en) * | 2021-09-17 | 2021-12-07 | 中国建筑第五工程局有限公司 | Shear wall construction method |
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