CN110306777A - A kind of construction method applied to lifting platform for elevator hoistway in architectural engineering - Google Patents
A kind of construction method applied to lifting platform for elevator hoistway in architectural engineering Download PDFInfo
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- CN110306777A CN110306777A CN201910552550.7A CN201910552550A CN110306777A CN 110306777 A CN110306777 A CN 110306777A CN 201910552550 A CN201910552550 A CN 201910552550A CN 110306777 A CN110306777 A CN 110306777A
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- Prior art keywords
- elevator
- workbench
- column
- hydraulic cylinder
- door opening
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Classifications
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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
-
- 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
-
- 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
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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)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of construction methods applied to lifting platform for elevator hoistway in architectural engineering, the following steps are included: the building platform in elevator, the length and width of workbench is set according to the length and width of elevator, the edge of workbench and the side wall preset clearance of elevator；Support bracket is built in the bottom of workbench, the height of bracket is supported to be greater than the height of elevator door opening；Shear connector is installed in support bracket lower part, opens up the elongated hole of installation shear connector in the lower part of support bracket, the bottom of shear connector offsets after stretching out out of elongated hole with the bottom surface of elevator door opening；The installation lifting driving device between workbench and the bottom surface of elevator door opening, the top of lifting driving device is fixedly connected with the bottom of workbench, the bottom surface of the bottom and elevator door opening that lift driving device offsets, and lifting driving device drives workbench and support bracket to move up and down vertically in elevator by stretching motion.Efficiency is built and gone up and down to hoistable platform raising operating platform of the invention.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to one kind is applied to lifting platform for elevator hoistway in architectural engineering
Construction method.
Background technique
During building Construction of High-rise, the shuttering supporting of four walls of indoor each layer elevator shaft is mainly using erection operation
The method of platform.The shuttering supporting operating platform of the inner wall of indoor elevator hoistway is mainly the following construction method at present: with
First floor upright bar, which is directly landed, successively sets up the progress shutterings-supported construction operation of frame body operating platform；Weld the triangle steelframe of regularization
Platform, every layer, by tower crane equipment hoisting, carries out shutterings-supported construction operation on triangular steel body panel；In hoisting type steel platform
Upper progress shutterings-supported construction operation etc..
But the triangular steel body panel of existing lifting needs to utilize tower crane equipment hoisting when needing lift adjustment position
And the support frame for support platform of dismantling, support frame is built again again when then hanging new floor job position using tower crane, is pacified
It is time-consuming and laborious to fill work.And the operating platform successively built uses more material, heavy workload and working time too long.Therefore having must
It makes improvements, that improves operating platform builds and go up and down efficiency.
Summary of the invention
The technical problem to be solved by the present invention is to the triangular steel body panels of existing lifting in the prior art to need to rise
When dropping adjusting position, the support frame using tower crane equipment hoisting and support platform of dismantling is needed, is then hung using tower crane new
Build support frame when floor job position again again, the time-consuming and laborious problem of installment work is, and it is an object of the present invention to provide one kind is applied to
The construction method of lifting platform for elevator hoistway in architectural engineering.
The present invention is achieved through the following technical solutions:
A kind of construction method applied to lifting platform for elevator hoistway in architectural engineering, comprising the following steps:
The length and width of the building platform in elevator, workbench is set according to the length and width of elevator, work
Make the edge of platform and the side wall preset clearance of elevator, workbench is lower than the top surface of elevator, and workbench is by longitudinal beam and transverse direction
Rectangular frame and the checkered steel plate composition that beam is welded, checkered steel plate are welded on the top of rectangular frame；
Support bracket is built in the bottom of workbench, the height of bracket is supported specifically to be set according to the height of floor, is supported
The height of bracket is greater than the height of elevator door opening；
Shear connector is installed in support bracket lower part, opens up the elongated hole of installation shear connector in the lower part of support bracket, it is described
Be rotatably connected in elongated hole at the top of shear connector, the bottom of the shear connector stretched out out of elongated hole after with elevator door opening
Bottom surface offsets；
Installation lifting driving device, lifts top and the work of driving device between workbench and the bottom surface of elevator door opening
The bottom for making platform is fixedly connected, and the bottom surface of the bottom and elevator door opening that lift driving device offsets, and lifting driving device passes through
Stretching motion driving workbench and support bracket move up and down vertically in elevator.
Preferred embodiment: the support bracket is fixedly connected on the bottom of the workbench, and the support bracket includes fixing
It is connected to the first column and the second column of workbench bottom four corners, first column is equipped with two, two first column positions
In the side close to elevator door opening, second column is equipped with two, and two second columns are located remotely from elevator door opening
Side, the top and bottom between two first columns are welded to connect by first crossbeam, two second columns it
Between top and bottom by first crossbeam be welded to connect, top and bottom between adjacent first column and the second column
Portion is welded to connect by second cross beam.
Preferred embodiment: the surrounding of the workbench is fixedly connected to rubber rolling wheel component, the rubber scroll wheel groups
The wall of part and elevator rolls connection, and the lower part of second column is fixedly connected with rubber rolling wheel component, the rubber
The wall of rolling wheel component and elevator rolls connection, the rubber rolling wheel component follow workbench it is vertical in elevator on
Lower movement.
Preferred embodiment: the top of the shear connector is rotatablely connected in elongated hole by straight pin and the first column, described
The side that elevator door opening is located remotely from shear connector is fixedly connected with T-type pull rod, one end of the T-type pull rod and shear connector spiral shell
Line connection, after the bottom of shear connector is stretched out out of elongated hole, the other end of T-type pull rod and the side wall of the first column offset；?
After the bottom of shear connector retracts in elongated hole, the other end of T-type pull rod and the side wall of the first column are separate, and the T-type pull rod is used
In the rotational angle of control shear connector.
Preferred embodiment: extension spring is connected between the T-type pull rod and the first column, the extension spring is for elasticity
The bottom of support shear connector is stretched out out of elongated hole, and the both ends of the extension spring are respectively equipped with hook, the extension spring
One end is connect by hook with T-type pull rod, and the other end of the extension spring is connect by hook with the first column.
Preferred embodiment: the drag-line being also connected on the T-type pull rod in the bottom retraction elongated hole of driving shear connector, it is described
Drag-line is y-type structure, and the top of drag-line passes through workbench and connect with drag-line positioning plate, and the drag-line positioning plate is " several " font knot
Structure offers the location hole connecting with drag-line at the top of drag-line positioning plate, penetrated at the top of the drag-line after location hole with hand
Handle is fixedly connected, and the bottom of the drag-line is fixedly connected with two T-type pull rods respectively, and the drag-line is used to control the drive of T-type pull rod
The bottom of dynamic shear connector retracts in elongated hole.
Preferred embodiment: the lifting driving device includes first hydraulic cylinder, and the cylinder body of the first hydraulic cylinder passes through installation
Seat is connect with the bottom of workbench, and the mounting base is located remotely from the side of elevator door opening, the cylinder body of the first hydraulic cylinder
It is rotatablely connected with mounting base, the telescopic arm of the first hydraulic cylinder is offseted by the bottom surface of locating piece and elevator door opening, described
The telescopic arm and locating piece of first hydraulic cylinder are rotatablely connected, and the first hydraulic cylinder drives workbench in elevator by stretching motion
It moves up and down vertically in well.
Preferred embodiment: the locating piece includes vertical plate, and one end of the vertical plate is equipped with to be turned with the telescopic arm of first hydraulic cylinder
By cylinder pin connection, the other end of the vertical plate is equipped with the telescopic arm of the otic placode of dynamic connection, the otic placode and first hydraulic cylinder
The limit plate to offset with the bottom surface of elevator door opening, the limit plate is vertical with vertical plate to be connect.
Preferred embodiment: the lifting driving device further includes second hydraulic cylinder, the cylinder body of the second hydraulic cylinder and two
The first crossbeam of bottom between first column is rotatablely connected, the telescopic arm of the second hydraulic cylinder and the cylinder body of first hydraulic cylinder
Rotation connection, the second hydraulic cylinder is for driving first hydraulic cylinder vertical rotating in mounting base.
Preferred embodiment: the height of first column and the second column is identical, the bottom of the first column and the second column to
The bottom surface of elevator door opening extends.
Compared with prior art, the present invention having the following advantages and benefits:
1) a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering of the invention, the hoistable platform are equipped with
Workbench and support bracket are equipped with the shear connector for being used to support and positioning, the lifting in the lower section of the first column of support bracket
The bottom surface of shear connector and elevator door opening offsets when platform is fixed on the floor of setting, and hoistable platform needs rise or fall
When, shear connector retracts in elongated hole, moves up and down convenient for hoistable platform.The hoistable platform is additionally provided with lifting driving device, and first
The cylinder body of hydraulic cylinder is connected by the bottom of mounting base and workbench, and mounting base is located remotely from the side of elevator door opening, and first
The cylinder body and mounting base of hydraulic cylinder are rotatablely connected；The telescopic arm of first hydraulic cylinder passes through the bottom surface phase of locating piece and elevator door opening
It supports, the telescopic arm and locating piece of first hydraulic cylinder are rotatablely connected, and first hydraulic cylinder drives workbench in elevator by stretching motion
It moves up and down vertically in well, realizes the automatic raising and lowering of the hoistable platform.
2) a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering of the invention, the work of the hoistable platform
Make platform surrounding and be fixedly connected to rubber rolling wheel component, the wall of the rubber rolling wheel component and elevator rolls connection；?
The lower part of second column is fixedly connected with rubber rolling wheel component, and the wall rolling of rubber rolling wheel component and elevator connects,
Rubber rolling wheel component follows workbench to move up and down vertically in elevator, avoids workbench vertical fortune up and down in elevator
It is scratched when dynamic with the wall of elevator, destroys elevator metope, while reducing workbench vertical fortune up and down in elevator
Resistance in dynamic, that improves operating platform builds and goes up and down efficiency.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural front view of hoistable platform use state of the invention；
Fig. 2 is the structure top view of hoistable platform use state of the invention；
Along the cross-sectional view in the direction A-A in Fig. 3 Fig. 1；
Fig. 4 is the structural schematic diagram of hoistable platform jacking condition of the invention；
Fig. 5 is the structural front view of hoistable platform of the invention；
Fig. 6 is the structure left view of hoistable platform of the invention；
Fig. 7 is the structural perspective of hoistable platform of the invention；
Fig. 8 is the structural perspective of shear connector of the invention；
Fig. 9 is the structure top view of rubber rolling wheel component of the invention.
Label and corresponding parts title in attached drawing:
1- workbench, the first column of 2-, the second column of 3-, 4- rubber rolling wheel component, 5- second cross beam, 6- first are horizontal
Beam, 7- shear connector, 8- drag-line, 9- extension spring, 10- first hydraulic cylinder, 11- mounting base, 12- locating piece, 13- second are hydraulic
Cylinder, 14- drag-line positioning plate, 15- elevator, 16- elevator door opening, 17-T type pull rod, 41- mounting plate, 42- support frame, 43- rubber
Rubber-surfaced roll wheel, 44- roller shaft pin, 45- compressed spring locating shaft, 46- compressed spring, 47- spring push plate.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figures 1 to 8, the present invention provides a kind of construction parties applied to lifting platform for elevator hoistway in architectural engineering
Method, comprising the following steps:
Step 1, the building platform 1 in elevator 15, the length and width of workbench 1 is according to the physical length of elevator 15
It is set with width, the edge of workbench 1 needs the side wall preset clearance with elevator 15, prevents workbench 1 and elevator 15
Wall collides or clamping stagnation.Workbench 1 is lower than the top surface of elevator 15, convenient for the work of the side far from elevator door opening 16
The wall of the side wall of platform 1 and elevator 15 against.The rectangular frame and decorative pattern that workbench 1 is welded by longitudinal beam and transverse beam
Steel plate composition, checkered steel plate are welded on the top of rectangular frame.
Step 2 builds support bracket in the bottom of workbench 1, and the height of bracket is supported to be had according to the actual height of floor
Body setting, but the height of bracket is supported to need the height greater than elevator door opening 16；Support bracket is fixedly connected on workbench 1
Bottom, support bracket include the first column 2 and the second column 3 for being fixedly connected on 1 bottom four corners of workbench.First column 2
Equipped with two, two first columns 2 are located adjacent to the side of elevator door opening 16, and the second column 3 is equipped with two, and two second vertical
Column 3 is located remotely from the side of elevator door opening 16.It is welded by first crossbeam 6 top and bottom between two first columns 2
It connects, the top and bottom between two second columns 3 are welded to connect by first crossbeam 6, the first adjacent column 2 and second
Top and bottom between column 3 are welded to connect by second cross beam 5.
Step 3 installs shear connector 7 on first column 2 of lower part two of support bracket, under two first columns 2
Portion opens up the elongated hole of installation shear connector 7, and the top of shear connector 7 is rotatably connected in elongated hole, and the bottom of shear connector 7 is from elongated
It offsets after being stretched out in hole with the bottom surface of elevator door opening 16.
Step 4, the installation lifting driving device between workbench 1 and the bottom surface of elevator door opening 16, lift driving device
Top be fixedly connected with the bottom of workbench 1, the bottom surface of the bottom and elevator door opening 16 that lift driving device offsets, lifting
Driving device drives workbench 1 and support bracket to move up and down vertically in elevator 15 by stretching motion.
Working principle
As shown in figure 4, a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering of the invention, the lifting
Platform is equipped with workbench 1 and support bracket, is equipped with the shearing for being used to support and positioning in the lower section of the first column 2 of support bracket
Key 7, shear connector 7 and the bottom surface of elevator door opening 16 offset when which is fixed on the floor of setting, which needs
When rising or falling, shear connector 7 is retracted in elongated hole, is moved up and down convenient for hoistable platform.The hoistable platform is additionally provided with lifting
Driving device, the top for lifting driving device are fixedly connected with the bottom of workbench 1, lift bottom and the elevator of driving device
The bottom surface of door opening 16 offsets, and lifting driving device drives workbench 1 to move up and down vertically in elevator 15 by stretching motion.
When hoistable platform ascending motion, shear connector 7 is retracted in elongated hole, and lifting driving device drives workbench 1 to exist by stretching motion
Moved straight up in elevator 15, lifting driving device is when lifting in the hoistable platform to upper layer elevator 15, shear connector 7 from
It offsets after being stretched out in elongated hole with the bottom surface of upper layer elevator door opening 16.When hoistable platform descending motion, shear connector 7 retracts elongated
In hole, lifting driving device drives workbench 1 to move straight down in elevator 15 by contractile motion, lifts driving device
When lifting in the hoistable platform to lower layer's elevator 15, shear connector 7 stretched out out of elongated hole after with lower layer elevator door opening 16
Bottom surface offsets, and realizes the automatic raising and lowering of the hoistable platform.
Embodiment 2
As shown in Fig. 2, Fig. 3 and Fig. 9, a kind of construction party applied to lifting platform for elevator hoistway in architectural engineering of the present invention
Method, the present embodiment is distinguished compared with Example 1 to be: the surrounding of workbench 1 is fixedly connected to rubber rolling wheel component 4, should
The wall of rubber rolling wheel component 4 and elevator 15, which rolls, to be connected.Rubber scroll wheel is fixedly connected in the lower part of the second column 3
The wall of component 4, rubber rolling wheel component 4 and elevator 15, which rolls, to be connected, and rubber rolling wheel component 4 follows workbench 1 in electricity
It moves up and down vertically in stair shaft 15.
Specifically: rubber rolling wheel component 4 includes mounting plate 41, support frame 42, compressed spring 46, compressed spring locating shaft
45, spring push plate 47, rubber roll 43, roller shaft pin 44, left and right ends are respectively fixedly connected with support frame 42 on mounting plate 41, prop up
Waist-shaped hole is offered on support 42, waist-shaped hole extends along the length direction of support frame 42.Rubber rolling is installed among support frame 42
Wheel 43,43 mounting hole of rubber roll matches with the waist-shaped hole on support frame 42, the mounting hole and support frame 42 of rubber roll 43
Waist-shaped hole in penetrate roller shaft pin 44.41 medium position of mounting plate is equipped with compressed spring locating shaft 45, compressed spring locating shaft
45 is ipsilateral with support frame 42 on mounting plate 41,45 upper sleeve through compressed spring 46 of compressed spring locating shaft, and the one of compressed spring 46
End face is bonded with mounting plate 41, and another side is bonded with spring push plate 47.Spring push plate 47 is " Contraband " shape structure, in spring push plate 47
Portion is equipped with the through-hole to match with compressed spring locating shaft 45, and 47 left and right ends of spring push plate offer and roller shaft pin 44 respectively
The through-hole to match, the width of spring push plate 47 are greater than the width of rubber roll 43, and the length of spring push plate 47 is rolled greater than rubber
The radius of wheel 43, the width of spring push plate 47 are less than the width between 41 left and right ends support frame 42 of mounting plate, compressed spring 46
Rubber roll 43 is pushed to be moved forward and backward in 42 waist-shaped hole of support frame by spring push plate 47.
1 surrounding of workbench of the hoistable platform is fixedly connected to rubber rolling wheel component 4, the rubber rolling wheel component 4
It rolls and connects with the wall of elevator 15.It is fixedly connected with rubber rolling wheel component 4 in the lower part of the second column 3, rubber rolls
The wall of wheel assembly 4 and elevator 15, which rolls, to be connected, rubber rolling wheel component 4 follow workbench 1 it is vertical in elevator 15 on
Lower movement avoids wall of the workbench 1 when moving up and down vertically in elevator 15 with elevator 15 from scratching, and destroys elevator
The metope of well 15, at the same reduce workbench 1 in elevator 15 vertically move up and down in resistance, improve building for operating platform
With lifting efficiency.
Embodiment 3
As shown in Fig. 1, Fig. 3, Fig. 5 to Fig. 8, a kind of construction applied to lifting platform for elevator hoistway in architectural engineering of the present invention
Method, the present embodiment is distinguished compared with Example 1 to be: the top of shear connector 7 is vertical by straight pin and first in elongated hole
Column 2 is rotatablely connected, and the side that elevator door opening 16 is located remotely from shear connector 7 is fixedly connected with T-type pull rod 17.T-type pull rod 17
One end be threadedly coupled with shear connector 7, after the bottom of shear connector 7 is stretched out out of elongated hole, the other end of T-type pull rod 17 and
The side wall of one column 2 offsets.After the bottom of shear connector 7 retracts in elongated hole, the other end of T-type pull rod 17 and the first column 2
Side wall it is separate, T-type pull rod 17 is used to control the rotational angle of shear connector 7.
Extension spring 9 is connected between T-type pull rod 17 and the first column 2, extension spring 9 is for flexibly supporting shear connector
7 bottom is stretched out out of elongated hole.The both ends of extension spring 9 are respectively equipped with hook, and one end of extension spring 9 passes through hook and T
Type pull rod 17 connects, and the other end of extension spring 9 is connect by hook with the first column 2.
The drag-line 8 being also connected in the bottom retraction elongated hole of driving shear connector 7 on T-type pull rod 17, the drag-line 8 are Y
Type structure.The top of drag-line 8 passes through workbench 1 and connect with drag-line positioning plate 14, and drag-line positioning plate is 14 " several " character form structures,
The top of drag-line positioning plate 14 offers the location hole connecting with drag-line 14, and the top of drag-line 8 is consolidated after penetrating location hole with handle
Fixed connection.The bottom of drag-line 8 is fixedly connected with two T-type pull rods 17 respectively, and in hoistable platform decline, drag-line 8 is used to synchronize
Controlling two T-type pull rods 17 drives the bottom of shear connector 7 to retract in elongated hole.
Embodiment 4
As shown in Fig. 5, Fig. 6 and Fig. 7, a kind of construction party applied to lifting platform for elevator hoistway in architectural engineering of the present invention
Method, the present embodiment is distinguished compared with Example 1 to be: lifting driving device includes first hydraulic cylinder 10, first hydraulic cylinder 10
Cylinder body is connect by mounting base 11 with the bottom of workbench 1, and mounting base 11 is located remotely from the side of elevator door opening 16, the first liquid
The cylinder body and mounting base 11 of cylinder pressure 10 are rotatablely connected.The telescopic arm of first hydraulic cylinder 10 passes through locating piece 12 and elevator door opening 16
Bottom surface offset, the telescopic arm of first hydraulic cylinder 10 and locating piece 12 are rotatablely connected, and first hydraulic cylinder 10 passes through stretching motion drive
Dynamic workbench 1 moves up and down vertically in elevator 15.
Locating piece 12 includes vertical plate, and the ear being rotatablely connected with the telescopic arm of first hydraulic cylinder 10 is equipped in one end of vertical plate
For the telescopic arm of plate, otic placode and first hydraulic cylinder 10 by cylinder pin connection, the other end of vertical plate is equipped with the bottom with elevator door opening
The limit plate that face offsets, limit plate is vertical with vertical plate to be connect.The lifting driving device further includes second hydraulic cylinder 13, and second is hydraulic
The first crossbeam 6 of bottom between the cylinder body of cylinder 13 and two first columns 2 is rotatablely connected, the telescopic arm of second hydraulic cylinder 13 with
The cylinder body of first hydraulic cylinder 10 is rotatablely connected, and second hydraulic cylinder 13 is for driving first hydraulic cylinder 10 vertically to turn in mounting base 11
It is dynamic.
Working principle
A kind of construction method applied to lifting platform for elevator hoistway in architectural engineering of the present invention, the hoistable platform are equipped with lifting
Driving device, lifting driving device are equipped with first hydraulic cylinder 10, and first is hydraulic, and 10 cylinder body passes through mounting base 11 and workbench 1
Bottom connection, mounting base 11 is located remotely from the side of elevator door opening 16,11 turns of cylinder body and the mounting base of first hydraulic cylinder 10
Dynamic connection.The telescopic arm of first hydraulic cylinder 10 is offseted by locating piece 12 and the bottom surface of elevator door opening 16, first hydraulic cylinder 10
Telescopic arm and locating piece 12 be rotatablely connected.First hydraulic cylinder 10 drives workbench 1 to erect in elevator 15 by stretching motion
It is straight to move up and down, realize the automatic raising and lowering of the hoistable platform.When hoistable platform ascending motion, shear connector 7 retracts elongated
In hole, first hydraulic cylinder 10 drives workbench 1 to move straight up in elevator 15 by stretching motion, first hydraulic cylinder 10
When lifting in the hoistable platform to upper layer elevator 15, shear connector 7 stretched out out of elongated hole after with upper layer elevator door opening 16
Bottom surface offsets, and then the telescopic arm of first hydraulic cylinder 10 is recovered in the cylinder body of first hydraulic cylinder 10.Hoistable platform descending motion
When, second hydraulic cylinder 13 drives first hydraulic cylinder 10 to turn to the angle set first, then the telescopic arm of first hydraulic cylinder 10
Stretching motion, until locating piece 12 and the bottom surface of lower layer elevator door opening 16 offset.Shear connector 7 retracts in elongated hole, and lifting is driven
Dynamic device drives workbench 1 to move straight down in elevator 15 by contractile motion, and lifting driving device lifts the lifting
When in platform to lower layer's elevator 15, shear connector 7 offsets after stretching out out of elongated hole with the bottom surface of lower layer elevator door opening 16, real
The now automatic raising and lowering of the hoistable platform.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering, which comprises the following steps:
The length and width of the building platform in elevator, workbench is set according to the length and width of elevator, workbench
Edge and elevator side wall preset clearance, workbench is lower than the top surface of elevator, and workbench is welded by longitudinal beam and transverse beam
Rectangular frame made of connecing and checkered steel plate composition, checkered steel plate are welded on the top of rectangular frame；
Support bracket is built in the bottom of workbench, the height of bracket is supported specifically to be set according to the height of floor, supports bracket
Height be greater than elevator door opening height；
Shear connector is installed in support bracket lower part, opens up the elongated hole of installation shear connector, the shearing in the lower part of support bracket
It is rotatably connected in elongated hole at the top of key, bottom surface with elevator door opening after the bottom of the shear connector is stretched out out of elongated hole
It offsets；
Installation lifting driving device, lifts top and the workbench of driving device between workbench and the bottom surface of elevator door opening
Bottom be fixedly connected, the bottom surface of the bottom and elevator door opening that lift driving device offsets, and lifting driving device passes through flexible
Movement driving workbench and support bracket move up and down vertically in elevator.
2. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 1, feature
It is:
The support bracket is fixedly connected on the bottom of the workbench, and the support bracket includes being fixedly connected on workbench bottom
The first column and the second column of portion quadrangle, first column are equipped with two, and two first columns are located adjacent to elevator door
The side in hole, second column are equipped with two, and two second columns are located remotely from the side of elevator door opening, and described two pieces the
Top and bottom between one column are welded to connect by first crossbeam, and the top and bottom between two second columns are logical
First crossbeam welded connecting is crossed, the top and bottom between adjacent the first column and the second column are welded by second cross beam to be connected
It connects.
3. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 2, feature
It is:
The surrounding of the workbench is fixedly connected to rubber rolling wheel component, and the lower part of second column is fixedly connected with rubber
The wall of rubber-surfaced roll drive wheel assemblies, the rubber rolling wheel component and elevator rolls connection, and the rubber rolling wheel component follows
Workbench moves up and down vertically in elevator.
4. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 1, feature
It is:
The top of the shear connector is rotatablely connected in elongated hole by straight pin and the first column, is located on the shear connector remote
Side from elevator door opening is fixedly connected with T-type pull rod, and one end of the T-type pull rod is threadedly coupled with shear connector, is shearing
After the bottom of key is stretched out out of elongated hole, the side wall of the other end and support bracket of T-type pull rod offsets；It contracts in the bottom of shear connector
After returning in elongated hole, the side wall of the other end and support bracket of T-type pull rod is separate, and the T-type pull rod is for controlling shear connector
Rotational angle.
5. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 4, feature
It is:
Extension spring is connected between the T-type pull rod and the first column, the extension spring is for flexibly supporting shear connector
Bottom is stretched out out of elongated hole, and the both ends of the extension spring are respectively equipped with hook, and one end of the extension spring passes through hook
It is connect with T-type pull rod, the other end of the extension spring is connect by hook with the first column.
6. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 4, feature
It is:
The drag-line being also connected in the bottom retraction elongated hole of driving shear connector on the T-type pull rod, the drag-line are Y type knot
Structure, the top of drag-line pass through workbench and connect with drag-line positioning plate, and the drag-line positioning plate is " several " character form structure, fixed in drag-line
The location hole connecting with drag-line is offered at the top of the plate of position, is fixedly connected after location hole is penetrated at the top of the drag-line with handle,
The bottom of the drag-line is fixedly connected with two T-type pull rods respectively, and the drag-line is used to control the bottom of T-type pull rod driving shear connector
Portion retracts in elongated hole.
7. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 1, feature
It is:
The lifting driving device includes first hydraulic cylinder, and the cylinder body of the first hydraulic cylinder passes through the bottom of mounting base and workbench
Portion's connection, the mounting base are located remotely from the side of elevator door opening, and cylinder body and the mounting base rotation of the first hydraulic cylinder connect
It connects, the telescopic arm of the first hydraulic cylinder is offseted by the bottom surface of locating piece and elevator door opening, and the first hydraulic cylinder is stretched
Contracting arm and locating piece are rotatablely connected, and the first hydraulic cylinder drives workbench vertical fortune up and down in elevator by stretching motion
It is dynamic.
8. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 7, feature
It is:
The locating piece includes vertical plate, and one end of the vertical plate is equipped with the otic placode being rotatablely connected with the telescopic arm of first hydraulic cylinder,
By cylinder pin connection, one end of the vertical plate is equipped with the bottom with elevator door opening for the otic placode and the telescopic arm of first hydraulic cylinder
The limit plate that face offsets, the limit plate is vertical with vertical plate to be connect.
9. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 7, feature
It is:
The lifting driving device further includes second hydraulic cylinder, between the cylinder body of the second hydraulic cylinder and two first columns
The first crossbeam of bottom is rotatablely connected, and the telescopic arm of the second hydraulic cylinder and the cylinder body of first hydraulic cylinder are rotatablely connected, described
Second hydraulic cylinder is for driving first hydraulic cylinder vertical rotating in mounting base.
10. a kind of construction method applied to lifting platform for elevator hoistway in architectural engineering according to claim 2, feature
It is:
The height of first column and the second column is identical, and the bottom of the first column and the second column is to the bottom of elevator door opening
Face extends.
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| CN111155754A (en) * | 2020-01-08 | 2020-05-15 | 甘肃建投建设有限公司 | Automatic elevator shaft jacking platform and using method thereof |
| CN113356554A (en) * | 2021-05-21 | 2021-09-07 | 中国建筑第二工程局有限公司 | Telescopic construction aerial ladder for lower well of elevator shaft operating platform |
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| CN110306777B (en) | 2021-07-09 |
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