CN110306776B - Lifting platform for high-rise building elevator shaft construction - Google Patents
Lifting platform for high-rise building elevator shaft construction Download PDFInfo
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- CN110306776B CN110306776B CN201910552546.0A CN201910552546A CN110306776B CN 110306776 B CN110306776 B CN 110306776B CN 201910552546 A CN201910552546 A CN 201910552546A CN 110306776 B CN110306776 B CN 110306776B
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- elevator shaft
- hydraulic cylinder
- shear key
- plate
- workbench
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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
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
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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
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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
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
Abstract
The invention discloses a lifting platform for high-rise building elevator shaft construction, which comprises: the edge of the working platform and the side wall of the elevator shaft are provided with a gap; the supporting bracket is fixedly connected to the bottom of the workbench and comprises a first upright and a second upright which are fixedly connected to four corners of the bottom of the workbench; the shear key is of a long block structure, a long hole for mounting the shear key is formed in the lower part of the first upright post, the top of the shear key is rotatably connected in the long hole, and the bottom of the shear key extends out of the long hole and abuts against the bottom surface of the elevator shaft door opening; the lifting driving device is positioned between the two first stand columns, the top of the lifting driving device is fixedly connected with the bottom of the workbench, the bottom of the lifting driving device is abutted against the bottom surface of the elevator shaft door opening, and the lifting driving device is used for driving the workbench to vertically move up and down in the elevator shaft. The lifting platform provided by the invention can be used for improving the building and lifting efficiency of the operation platform.
Description
Technical Field
The invention relates to the technical field of building construction tools, in particular to a lifting platform for elevator shaft construction of a high-rise building.
Background
In the high-rise construction process of the building, the formwork support of the four walls of the elevator shaft of each indoor layer mainly adopts a method of erecting an operation platform. At present, the template supporting operation platform of the inner wall of the indoor elevator shaft mainly comprises the following construction methods: directly landing the first layer of upright rods and erecting a frame body operation platform layer by layer to carry out formwork support construction operation; welding a shaped triangular steel frame platform, hoisting each layer by tower crane equipment, and carrying out formwork support construction operation on the triangular steel frame platform; and carrying out formwork support construction operation and the like on the lifting type steel platform.
However, when the existing hoisted triangular steel frame platform needs to be lifted and adjusted in position, the support frame of the support platform needs to be hoisted and detached by using tower crane equipment, and then the support frame is built again when the tower crane is used for hoisting to a new floor operation position, so that the installation work is time-consuming and labor-consuming. And the operating platform built layer by layer uses more materials, has large workload and has too long working time. Therefore, improvement on the operation platform is needed, and the building and lifting efficiency of the operation platform is improved.
Disclosure of Invention
The invention aims to solve the technical problem that in the prior art, when a lifting adjusting position of an existing lifted triangular steel frame platform is needed, a tower crane device is used for lifting and detaching a supporting frame of a supporting platform, and then the supporting frame is set up again when a tower crane is used for lifting to a new floor operation position, so that the installation work is time-consuming and labor-consuming, and the lifting platform for the elevator shaft construction of a high-rise building is provided.
The invention is realized by the following technical scheme:
a lifting platform for high-rise elevator shaft construction, comprising:
the working table comprises a rectangular frame and a patterned steel plate, the rectangular frame is formed by welding a longitudinal beam and a transverse beam, the patterned steel plate is welded at the top of the rectangular frame, the working table is horizontally positioned in the elevator shaft, a gap is formed between the edge of the working table and the side wall of the elevator shaft, and the working table is lower than the top surface of the elevator shaft;
the supporting bracket is fixedly connected to the bottom of the workbench and comprises two first stand columns and two second stand columns which are fixedly connected to four corners of the bottom of the workbench, the two first stand columns are located on one side close to an elevator shaft door opening, the two second stand columns are located on one side far away from the elevator shaft door opening, the top and the bottom between the two first stand columns are connected through a first cross beam in a welded mode, the top and the bottom between the two second stand columns are connected through a first cross beam in a welded mode, and the top and the bottom between the adjacent first stand columns and the adjacent second stand columns are connected through a second cross beam in a welded mode;
the shear key is of a long block structure, a long hole for mounting the shear key is formed in the lower portion of the first upright post, the top of the shear key is rotatably connected in the long hole, and the bottom of the shear key extends out of the long hole and abuts against the bottom surface of the elevator shaft door opening;
the lifting driving device is positioned between the two first stand columns, the top of the lifting driving device is fixedly connected with the bottom of the workbench, the bottom of the lifting driving device is abutted against the bottom surface of the elevator shaft door opening, and the lifting driving device is used for driving the workbench to vertically move up and down in the elevator shaft.
The preferred scheme is as follows: the periphery of the working table is fixedly connected with rubber rolling wheel assemblies, the rubber rolling wheel assemblies are in rolling connection with the wall of the elevator shaft, the lower portion of the second upright post is fixedly connected with rubber rolling wheel assemblies, the rubber rolling wheel assemblies are in rolling connection with the wall of the elevator shaft, and the rubber rolling wheel assemblies move vertically in the elevator shaft along with the working table.
The preferred scheme is as follows: the rubber rolling wheel component comprises a mounting plate, a supporting frame, a compression spring positioning shaft, a spring push plate, a rubber roller and a roller shaft pin, wherein the left end and the right end of the mounting plate are respectively fixedly connected with the supporting frame, the supporting frame is provided with a waist-shaped hole, the waist-shaped hole extends along the length direction of the supporting frame, the middle of the supporting frame is provided with the rubber roller, the rubber roller mounting hole is matched with the waist-shaped hole on the supporting frame, the roller shaft pin penetrates through the rubber roller mounting hole and the waist-shaped hole of the supporting frame, the middle of the mounting plate is provided with the compression spring positioning shaft, the compression spring positioning shaft is arranged on the same side of the mounting plate as the supporting frame, the compression spring is sleeved on the compression spring positioning shaft, one side of the compression spring is attached to the mounting plate, the other side of, the through holes matched with the roller shaft pins are respectively formed in the left end and the right end of the spring push plate, the width of the spring push plate is larger than that of the rubber roller, the length of the spring push plate is larger than the radius of the rubber roller, the width of the spring push plate is smaller than the width between the support frames at the left end and the right end of the mounting plate, and the compression spring pushes the rubber roller to move back and forth in the waist-shaped hole of the support frame through.
The preferred scheme is as follows: the top of the shear key is rotatably connected with the first upright post through a cylindrical pin in the elongated hole, a T-shaped pull rod is fixedly connected to one side, far away from the elevator shaft door opening, of the shear key, one end of the T-shaped pull rod is in threaded connection with the shear key, and after the bottom of the shear key extends out of the elongated hole, the other end of the T-shaped pull rod abuts against the side wall of the first upright post; after the bottom of the shear key retracts into the long hole, the other end of the T-shaped pull rod is far away from the side wall of the first upright column, and the T-shaped pull rod is used for controlling the rotation angle of the shear key.
The preferred scheme is as follows: an extension spring is connected between the T-shaped pull rod and the first stand column, the bottom of the extension spring, which is used for elastically supporting the shear key, extends out of the long hole, hooks are respectively arranged at two ends of the extension spring, one end of the extension spring is connected with the T-shaped pull rod through the hooks, and the other end of the extension spring is connected with the first stand column through the hooks.
The preferred scheme is as follows: the T-shaped pull rod is further connected with a pull cable which is used for driving the bottom of the shear key to retract into the long hole, the pull cable is of a Y-shaped structure, the top of the pull cable penetrates through the workbench to be connected with a pull cable positioning plate, the pull cable positioning plate is of a structure shaped like a Chinese character 'ji', a positioning hole connected with the pull cable is formed in the top of the pull cable positioning plate, the top of the pull cable penetrates through the positioning hole and then is fixedly connected with the handle, the bottom of the pull cable is fixedly connected with the two T-shaped pull rods respectively, and the pull cable is used for controlling the bottom of the T-.
The preferred scheme is as follows: the lifting driving device comprises a first hydraulic cylinder, the cylinder body of the first hydraulic cylinder is connected with the bottom of the workbench through a mounting seat, the mounting seat is located on one side of a door opening of an elevator shaft, the cylinder body of the first hydraulic cylinder is rotatably connected with the mounting seat, a telescopic arm of the first hydraulic cylinder is abutted to the bottom surface of the door opening of the elevator shaft through a positioning piece, the telescopic arm of the first hydraulic cylinder is rotatably connected with the positioning piece, and the first hydraulic cylinder drives the workbench to vertically move up and down in the elevator shaft through telescopic motion.
The preferred scheme is as follows: the locating piece comprises a vertical plate, one end of the vertical plate is provided with an ear plate which is rotatably connected with a telescopic arm of a first hydraulic cylinder, the ear plate is connected with the telescopic arm of the first hydraulic cylinder through a cylindrical pin, the other end of the vertical plate is provided with a limiting plate which is abutted to the bottom surface of the elevator shaft door opening, and the limiting plate is perpendicularly connected with the vertical plate.
The preferred scheme is as follows: the lifting driving device further comprises a second hydraulic cylinder, a cylinder body of the second hydraulic cylinder is rotatably connected with the first cross beam at the bottom between the two second upright columns, a telescopic arm of the second hydraulic cylinder is rotatably connected with a cylinder body of the first hydraulic cylinder, and the second hydraulic cylinder is used for driving the first hydraulic cylinder to vertically rotate on the mounting seat.
The preferred scheme is as follows: the first vertical column and the second vertical column are the same in height, and the bottoms of the first vertical column and the second vertical column extend towards the bottom surface of the elevator shaft door opening.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1) the lifting platform for the construction of the elevator shaft of the high-rise building is provided with the workbench and the supporting bracket, a shear key for supporting and positioning is arranged below the first upright post of the supporting bracket, the shear key is abutted against the bottom surface of the elevator shaft door opening when the lifting platform is fixed on a set floor, and when the lifting platform needs to ascend or descend, the shear key retracts into the long hole, so that the lifting platform can move up and down conveniently. The lifting platform is also provided with a lifting driving device, a cylinder body of the first hydraulic cylinder is connected with the bottom of the workbench through a mounting seat, the mounting seat is positioned on one side far away from an elevator shaft door opening, and the cylinder body of the first hydraulic cylinder is rotatably connected with the mounting seat; the telescopic arm of the first hydraulic cylinder abuts against the bottom surface of an elevator shaft door opening through the positioning piece, the telescopic arm of the first hydraulic cylinder is rotatably connected with the positioning piece, and the first hydraulic cylinder drives the workbench to vertically move up and down in the elevator shaft through telescopic motion, so that the lifting platform can automatically ascend and descend.
2) The invention relates to a lifting platform for construction of an elevator shaft of a high-rise building, wherein rubber rolling wheel assemblies are fixedly connected around a workbench of the lifting platform, and the rubber rolling wheel assemblies are in rolling connection with the wall of the elevator shaft; the rubber rolling wheel assembly is fixedly connected to the lower portion of the second upright column and is in rolling connection with the wall of the elevator shaft, the rubber rolling wheel assembly moves vertically up and down in the elevator shaft along with the workbench, the problem that the workbench is scratched and rubbed with the wall of the elevator shaft when moving vertically up and down in the elevator shaft is avoided, the wall surface of the elevator shaft is damaged, meanwhile, resistance of the workbench in moving vertically up and down in the elevator shaft is reduced, and the building and lifting efficiency of the operation platform is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a front view of the lifting platform of the present invention in a use configuration;
FIG. 2 is a structural plan view of the lifting platform of the present invention in use;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 4 is a schematic structural view of the lifting platform of the present invention in a lifting state;
FIG. 5 is a front view of the lift platform of the present invention;
FIG. 6 is a left side view of the construction of the lift platform of the present invention;
FIG. 7 is a perspective view of the construction of the lift platform of the present invention;
FIG. 8 is a structural perspective view of a shear key of the present invention;
fig. 9 is a structural plan view of the rubber rolling wheel assembly of the present invention.
Reference numbers and corresponding part names in the drawings:
1-workbench, 2-first upright column, 3-second upright column, 4-rubber rolling wheel assembly, 5-second cross beam, 6-first cross beam, 7-shear key, 8-guy cable, 9-extension spring, 10-first hydraulic cylinder, 11-mounting seat, 12-positioning piece, 13-second hydraulic cylinder, 14-guy cable positioning plate, 15-elevator shaft, 16-elevator shaft door opening, 17-T-shaped pull rod, 41-mounting plate, 42-supporting frame, 43-rubber roller, 44-roller shaft pin, 45-compression spring positioning shaft, 46-compression spring and 47-spring push plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 to 8, a lifting platform for elevator shaft construction of a high-rise building according to the present invention comprises:
the working table 1 comprises a rectangular frame and a patterned steel plate, wherein the rectangular frame and the patterned steel plate are formed by welding a longitudinal beam and a transverse beam, the longitudinal beam and the transverse beam are made of sectional materials such as channel steel, angle steel and rectangular steel pipes, the patterned steel plate is welded at the top of the rectangular frame, and the working table 1 provides a working table for construction operation. The working platform 1 is horizontally arranged in the elevator shaft 15, a gap is formed between the edge of the working platform 1 and the side wall of the elevator shaft 15, and the working platform 1 is lower than the top surface of the elevator shaft 15.
The support bracket is fixedly connected to the bottom of the workbench 1 and comprises a first upright post 2 and a second upright post 3 which are fixedly connected to four corners of the bottom of the workbench 1, two first upright posts 2 are arranged, and the two first upright posts 2 are positioned on one side close to an elevator shaft door opening 16; the number of the second vertical columns 3 is two, and the two second vertical columns 3 are positioned on the side far away from the elevator shaft door opening 16. The top and the bottom between two first columns 2 are connected by welding through a first cross beam 6, the top and the bottom between two second columns 3 are connected by welding through the first cross beam 6, and the top and the bottom between the adjacent first columns 2 and the adjacent second columns 3 are connected by welding through a second cross beam 5. The first column 2 and the second column 3 are at the same height, and the bottom portions of the first column 2 and the second column 3 extend toward the bottom surface of the elevator shaft opening 16. The first upright post 2, the second upright post 3, the first cross beam 6 and the second cross beam 5 are made of sectional materials such as channel steel, angle steel, rectangular steel pipes and the like.
The shear key 7 is of a long block structure, the lower portion of the first upright post 2 is provided with a long hole for mounting the shear key 7, the top of the shear key 7 is rotatably connected in the long hole, and the bottom of the shear key 7 extends out of the long hole and abuts against the bottom surface of the elevator shaft door opening 16. The shear key 7 is used to support and position the work platform 1 and support corbels on the floor of the hoistway door opening 16.
The lifting driving device is positioned between the two first upright posts 2, the top of the lifting driving device is fixedly connected with the bottom of the workbench 1, the bottom of the lifting driving device is abutted against the bottom surface of the elevator shaft door opening 16, and the lifting driving device is used for driving the workbench 1 to vertically move up and down in the elevator shaft 15.
Principle of operation
As shown in fig. 4, the lifting platform for high-rise elevator shaft construction of the invention is provided with a working platform 1 and a support bracket, a shear key 7 for supporting and positioning is arranged below a first upright post 2 of the support bracket, the shear key 7 is abutted against the bottom surface of an elevator shaft door opening 16 when the lifting platform is fixed at a set floor, and when the lifting platform needs to ascend or descend, the shear key 7 retracts into a long hole, so that the lifting platform can move up and down conveniently. The lifting platform is further provided with a lifting driving device, the top of the lifting driving device is fixedly connected with the bottom of the working platform 1, the bottom of the lifting driving device is abutted against the bottom surface of the elevator shaft door opening 16, and the lifting driving device drives the working platform 1 to vertically move up and down in the elevator shaft 15 through telescopic motion. When the lifting platform moves upwards, the shear keys 7 retract into the long holes, the lifting driving device drives the working platform 1 to vertically move upwards in the elevator shaft 15 through extension movement, and when the lifting driving device lifts the lifting platform into the upper-layer elevator shaft 15, the shear keys 7 extend out of the long holes and abut against the bottom surface of the upper-layer elevator shaft door opening 16. When the lifting platform moves downwards, the shear keys 7 retract into the long holes, the lifting driving device drives the working platform 1 to vertically move downwards in the elevator shaft 15 through contraction movement, and when the lifting driving device lifts the lifting platform into the lower-layer elevator shaft 15, the shear keys 7 extend out of the long holes and then abut against the bottom surface of the lower-layer elevator shaft door opening 16, so that the lifting platform can automatically ascend and descend.
Example 2
As shown in fig. 2, 3 and 9, the present embodiment of a lifting platform for elevator shaft construction of high-rise buildings differs from embodiment 1 in that: the periphery of the workbench 1 is fixedly connected with rubber rolling wheel assemblies 4, and the rubber rolling wheel assemblies 4 are in rolling connection with the wall of the elevator shaft 15. And a rubber rolling wheel assembly 4 is fixedly connected to the lower part of the second upright post 3, the rubber rolling wheel assembly 4 is in rolling connection with the wall of the elevator shaft 15, and the rubber rolling wheel assembly 4 vertically moves up and down in the elevator shaft 15 along with the workbench 1.
Specifically, the method comprises the following steps: the rubber rolling wheel assembly 4 comprises a mounting plate 41, a support frame 42, a compression spring 46, a compression spring positioning shaft 45, a spring push plate 47, a rubber roller 43 and a roller shaft pin 44, wherein the left end and the right end of the mounting plate 41 are respectively fixedly connected with the support frame 42, a waist-shaped hole is formed in the support frame 42, and the waist-shaped hole extends along the length direction of the support frame 42. The middle of the supporting frame 42 is provided with a rubber roller 43, the mounting hole of the rubber roller 43 is matched with the waist-shaped hole on the supporting frame 42, and a roller shaft pin 44 penetrates through the mounting hole of the rubber roller 43 and the waist-shaped hole of the supporting frame 42. The middle position of the mounting plate 41 is provided with a compression spring positioning shaft 45, the compression spring positioning shaft 45 is arranged on the mounting plate 41 and on the same side as the support frame 42, the compression spring 46 penetrates through the compression spring positioning shaft 45, one end face of the compression spring 46 is attached to the mounting plate 41, and the other face of the compression spring is attached to the spring push plate 47. The spring push plate 47 is in an Contraband-shaped structure, a through hole matched with the compression spring positioning shaft 45 is formed in the middle of the spring push plate 47, through holes matched with the roller shaft pins 44 are formed in the left end and the right end of the spring push plate 47 respectively, the width of the spring push plate 47 is larger than that of the rubber roller 43, the length of the spring push plate 47 is larger than the radius of the rubber roller 43, the width of the spring push plate 47 is smaller than that between the supporting frames 42 at the left end and the right end of the mounting plate 41, and the compression spring 46 pushes the rubber roller 43 to move back and forth in the waist-shaped.
All fixedly connected with rubber rolling wheel subassembly 4 around this lift platform's workstation 1, this rubber rolling wheel subassembly 4 and the wall roll connection of elevartor shaft 15. The rubber rolling wheel assembly 4 is fixedly connected to the lower portion of the second upright post 3, the rubber rolling wheel assembly 4 is in rolling connection with the wall of the elevator shaft 15, the rubber rolling wheel assembly 4 moves vertically in the elevator shaft 15 along with the workbench 1, scraping and rubbing between the workbench 1 and the wall of the elevator shaft 15 during vertical up-and-down movement in the elevator shaft 15 are avoided, the wall surface of the elevator shaft 15 is damaged, meanwhile, resistance of the workbench 1 during vertical up-and-down movement in the elevator shaft 15 is reduced, and building and lifting efficiency of the operation platform are improved.
Example 3
As shown in fig. 1, 3, 5 to 8, the present embodiment of the present invention is a lifting platform for elevator shaft construction of high-rise buildings, and is different from embodiment 1 in that: the top of the shear key 7 is rotatably connected with the first upright post 2 through a cylindrical pin in the long hole, and a T-shaped pull rod 17 is fixedly connected to one side, far away from the elevator shaft door opening 16, of the shear key 7. One end of the T-shaped pull rod 17 is in threaded connection with the shear key 7, and after the bottom of the shear key 7 extends out of the long hole, the other end of the T-shaped pull rod 17 abuts against the side wall of the first upright post 2. After the bottom of the shear key 7 retracts into the elongated hole, the other end of the T-shaped pull rod 17 is far away from the side wall of the first upright post 2, and the T-shaped pull rod 17 is used for controlling the rotation angle of the shear key 7.
An extension spring 9 is connected between the T-shaped pull rod 17 and the first upright post 2, and the extension spring 9 is used for elastically supporting the bottom of the shear key 7 to extend out of the long hole. The two ends of the extension spring 9 are respectively provided with a hook, one end of the extension spring 9 is connected with the T-shaped pull rod 17 through the hook, and the other end of the extension spring 9 is connected with the first upright post 2 through the hook.
And a pull cable 8 for driving the bottom of the shear key 7 to retract into the long hole is also connected to the T-shaped pull rod 17, and the pull cable 8 is of a Y-shaped structure. The top of cable 8 passes workstation 1 and is connected with cable locating plate 14, and the cable locating plate is 14 "nearly" font structure, offers the locating hole of being connected with cable 14 at the top of cable locating plate 14, and the top of cable 8 penetrates behind the locating hole with handle fixed connection. The bottom of the stay cable 8 is respectively fixedly connected with the two T-shaped pull rods 17, and when the lifting platform descends, the stay cable 8 is used for synchronously controlling the two T-shaped pull rods 17 to drive the bottom of the shear key 7 to retract into the long hole.
Example 4
As shown in fig. 5, 6 and 7, the present embodiment of the present invention is a lifting platform for elevator shaft construction of high-rise buildings, and is different from embodiment 1 in that: the lifting driving device comprises a first hydraulic cylinder 10, the cylinder body of the first hydraulic cylinder 10 is connected with the bottom of the workbench 1 through a mounting seat 11, the mounting seat 11 is positioned on one side far away from an elevator shaft door opening 16, and the cylinder body of the first hydraulic cylinder 10 is rotatably connected with the mounting seat 11. The telescopic arm of the first hydraulic cylinder 10 abuts against the bottom surface of an elevator shaft door opening 16 through a positioning piece 12, the telescopic arm of the first hydraulic cylinder 10 is rotatably connected with the positioning piece 12, and the first hydraulic cylinder 10 drives the workbench 1 to vertically move up and down in the elevator shaft 15 through telescopic motion.
The setting element 12 includes the riser, is equipped with the otic placode of being connected with the flexible arm rotation of first pneumatic cylinder 10 in the one end of riser, and the otic placode passes through the cylindric lock with the flexible arm of first pneumatic cylinder 10 to be connected, and the other end of riser is equipped with the limiting plate that offsets with the bottom surface of elevartor shaft door opening, and the limiting plate is connected with the riser is perpendicular. The lifting driving device further comprises a second hydraulic cylinder 13, a cylinder body of the second hydraulic cylinder 13 is rotatably connected with the first cross beam 6 at the bottom between the two second upright posts 3, a telescopic arm of the second hydraulic cylinder 13 is rotatably connected with a cylinder body of the first hydraulic cylinder 10, and the second hydraulic cylinder 13 is used for driving the first hydraulic cylinder 10 to vertically rotate on the mounting seat 11.
Principle of operation
The invention relates to a lifting platform for the construction of an elevator shaft of a high-rise building, which is provided with a lifting driving device, wherein the lifting driving device is provided with a first hydraulic cylinder 10, the cylinder body of the first hydraulic cylinder 10 is connected with the bottom of a workbench 1 through a mounting seat 11, the mounting seat 11 is positioned at one side far away from an elevator shaft door opening 16, and the cylinder body of the first hydraulic cylinder 10 is rotatably connected with the mounting seat 11. The telescopic arm of the first hydraulic cylinder 10 is abutted against the bottom surface of the elevator shaft door opening 16 through a positioning piece 12, and the telescopic arm of the first hydraulic cylinder 10 is rotatably connected with the positioning piece 12. The first hydraulic cylinder 10 drives the workbench 1 to vertically move up and down in the elevator shaft 15 through telescopic motion, so that the lifting platform can automatically ascend and descend. When the lifting platform moves upwards, the shear key 7 retracts into the long hole, the first hydraulic cylinder 10 drives the workbench 1 to vertically move upwards in the elevator shaft 15 through extension movement, when the first hydraulic cylinder 10 lifts the lifting platform into the upper-layer elevator shaft 15, the shear key 7 extends out of the long hole and abuts against the bottom surface of the upper-layer elevator shaft door hole 16, and then the telescopic arm of the first hydraulic cylinder 10 retracts into the cylinder body of the first hydraulic cylinder 10. When the lifting platform descends, the second hydraulic cylinder 13 drives the first hydraulic cylinder 10 to rotate to a set angle, and then the telescopic arm of the first hydraulic cylinder 10 extends until the positioning part 12 abuts against the bottom surface of the lower elevator shaft door opening 16. The shear key 7 retracts into the long hole, the lifting driving device drives the workbench 1 to vertically move downwards in the elevator shaft 15 through retraction movement, when the lifting driving device lifts the lifting platform into the lower elevator shaft 15, the shear key 7 extends out of the long hole and abuts against the bottom surface of the lower elevator shaft door opening 16, and automatic rising and falling of the lifting platform are achieved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A lifting platform for high-rise building elevator shaft construction, comprising:
the working table comprises a rectangular frame and a patterned steel plate, the rectangular frame is formed by welding a longitudinal beam and a transverse beam, the patterned steel plate is welded at the top of the rectangular frame, the working table is horizontally positioned in the elevator shaft, a gap is formed between the edge of the working table and the side wall of the elevator shaft, and the working table is lower than the top surface of the elevator shaft;
the supporting bracket is fixedly connected to the bottom of the workbench and comprises two first stand columns and two second stand columns which are fixedly connected to four corners of the bottom of the workbench, the two first stand columns are located on one side close to an elevator shaft door opening, the two second stand columns are located on one side far away from the elevator shaft door opening, the top and the bottom between the two first stand columns are connected through a first cross beam in a welded mode, the top and the bottom between the two second stand columns are connected through a first cross beam in a welded mode, and the top and the bottom between the adjacent first stand columns and the adjacent second stand columns are connected through a second cross beam in a welded mode;
the shear key is of a long block structure, a long hole for mounting the shear key is formed in the lower portion of the first upright post, the top of the shear key is rotatably connected in the long hole, and the bottom of the shear key extends out of the long hole and abuts against the bottom surface of the elevator shaft door opening;
the lifting driving device is positioned between the two first stand columns, the top of the lifting driving device is fixedly connected with the bottom of the workbench, the bottom of the lifting driving device is abutted against the bottom surface of the elevator shaft door opening, and the lifting driving device is used for driving the workbench to vertically move up and down in the elevator shaft;
the top of the shear key is rotatably connected with the first upright post through a cylindrical pin in the elongated hole, a T-shaped pull rod is fixedly connected to one side, far away from the elevator shaft door opening, of the shear key, one end of the T-shaped pull rod is in threaded connection with the shear key, and after the bottom of the shear key extends out of the elongated hole, the other end of the T-shaped pull rod abuts against the side wall of the first upright post; after the bottom of the shear key retracts into the long hole, the other end of the T-shaped pull rod is far away from the side wall of the first upright column, and the T-shaped pull rod is used for controlling the rotation angle of the shear key.
2. A lifting platform for high-rise elevator shaft construction according to claim 1, characterized in that:
the periphery of the working table is fixedly connected with rubber rolling wheel assemblies, the lower portion of the second upright post is fixedly connected with rubber rolling wheel assemblies, the rubber rolling wheel assemblies are in rolling connection with the wall of the elevator shaft, and the rubber rolling wheel assemblies move vertically and vertically in the elevator shaft along with the working table.
3. A lifting platform for high-rise elevator shaft construction according to claim 2, characterized in that:
the rubber rolling wheel component comprises a mounting plate, a supporting frame, a compression spring positioning shaft, a spring push plate, a rubber roller and a roller shaft pin, wherein the left end and the right end of the mounting plate are respectively fixedly connected with the supporting frame, the supporting frame is provided with a waist-shaped hole, the waist-shaped hole extends along the length direction of the supporting frame, the middle of the supporting frame is provided with the rubber roller, the rubber roller mounting hole is matched with the waist-shaped hole on the supporting frame, the roller shaft pin penetrates through the rubber roller mounting hole and the waist-shaped hole of the supporting frame, the middle of the mounting plate is provided with the compression spring positioning shaft, the compression spring positioning shaft is arranged on the same side of the mounting plate as the supporting frame, the compression spring is sleeved on the compression spring positioning shaft, one side of the compression spring is attached to the mounting plate, the other side of, the through holes matched with the roller shaft pins are respectively formed in the left end and the right end of the spring push plate, the width of the spring push plate is larger than that of the rubber roller, the length of the spring push plate is larger than the radius of the rubber roller, the width of the spring push plate is smaller than the width between the support frames at the left end and the right end of the mounting plate, and the compression spring pushes the rubber roller to move back and forth in the waist-shaped hole of the support frame through.
4. A lifting platform for high-rise elevator shaft construction according to claim 1, characterized in that:
an extension spring is connected between the T-shaped pull rod and the first stand column, the bottom of the extension spring, which is used for elastically supporting the shear key, extends out of the long hole, hooks are respectively arranged at two ends of the extension spring, one end of the extension spring is connected with the T-shaped pull rod through the hooks, and the other end of the extension spring is connected with the first stand column through the hooks.
5. A lifting platform for high-rise elevator shaft construction according to claim 1, characterized in that:
the T-shaped pull rod is further connected with a pull cable which is used for driving the bottom of the shear key to retract into the long hole, the pull cable is of a Y-shaped structure, the top of the pull cable penetrates through the workbench to be connected with a pull cable positioning plate, the pull cable positioning plate is of a structure shaped like a Chinese character 'ji', a positioning hole connected with the pull cable is formed in the top of the pull cable positioning plate, the top of the pull cable penetrates through the positioning hole and then is fixedly connected with the handle, the bottom of the pull cable is fixedly connected with the two T-shaped pull rods respectively, and the pull cable is used for controlling the bottom of the T-.
6. A lifting platform for high-rise elevator shaft construction according to claim 1, characterized in that:
the lifting driving device comprises a first hydraulic cylinder, the cylinder body of the first hydraulic cylinder is connected with the bottom of the workbench through a mounting seat, the mounting seat is located on one side of a door opening of an elevator shaft, the cylinder body of the first hydraulic cylinder is rotatably connected with the mounting seat, a telescopic arm of the first hydraulic cylinder is abutted to the bottom surface of the door opening of the elevator shaft through a positioning piece, the telescopic arm of the first hydraulic cylinder is rotatably connected with the positioning piece, and the first hydraulic cylinder drives the workbench to vertically move up and down in the elevator shaft through telescopic motion.
7. A lifting platform for high-rise elevator shaft construction according to claim 6 wherein:
the locating piece comprises a vertical plate, one end of the vertical plate is provided with an ear plate which is rotatably connected with a telescopic arm of a first hydraulic cylinder, the ear plate is connected with the telescopic arm of the first hydraulic cylinder through a cylindrical pin, one end of the vertical plate is provided with a limiting plate which is abutted against the bottom surface of an elevator shaft door opening, and the limiting plate is perpendicularly connected with the vertical plate.
8. A lifting platform for high-rise elevator shaft construction according to claim 6 wherein:
the lifting driving device further comprises a second hydraulic cylinder, a cylinder body of the second hydraulic cylinder is rotatably connected with the first cross beam at the bottom between the two second upright columns, a telescopic arm of the second hydraulic cylinder is rotatably connected with a cylinder body of the first hydraulic cylinder, and the second hydraulic cylinder is used for driving the first hydraulic cylinder to vertically rotate on the mounting seat.
9. A lifting platform for high-rise elevator shaft construction according to claim 1, characterized in that:
the first vertical column and the second vertical column are the same in height, and the bottoms of the first vertical column and the second vertical column extend towards the bottom surface of the elevator shaft door opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910552546.0A CN110306776B (en) | 2019-06-25 | 2019-06-25 | Lifting platform for high-rise building elevator shaft construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910552546.0A CN110306776B (en) | 2019-06-25 | 2019-06-25 | Lifting platform for high-rise building elevator shaft construction |
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| CN110306776A CN110306776A (en) | 2019-10-08 |
| CN110306776B true CN110306776B (en) | 2020-05-29 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021094138A1 (en) * | 2019-11-12 | 2021-05-20 | Inventio Ag | Mounting frame for displacing and fixing in a shaft |
| CN114667265A (en) * | 2019-11-12 | 2022-06-24 | 因温特奥股份公司 | Mounting frame for displacement and fixing in a shaft |
| CN111794486A (en) * | 2020-07-24 | 2020-10-20 | 曹妃甸港矿石码头股份有限公司 | Novel loading building swing chute maintenance ladder and using method thereof |
| CN113931425B (en) * | 2021-09-22 | 2023-02-14 | 重庆渝能建筑安装工程有限公司 | Elevator shaft construction platform |
| CN114016722B (en) * | 2021-11-26 | 2022-12-06 | 中建八局第二建设有限公司 | Bottom is from stereotyped elevator shaft operation platform of taking level protection |
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| CN110306776A (en) | 2019-10-08 |
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