CN209194965U - A kind of dome structure chute type operation platform system - Google Patents
A kind of dome structure chute type operation platform system Download PDFInfo
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- CN209194965U CN209194965U CN201821497342.9U CN201821497342U CN209194965U CN 209194965 U CN209194965 U CN 209194965U CN 201821497342 U CN201821497342 U CN 201821497342U CN 209194965 U CN209194965 U CN 209194965U
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- dome
- cambered way
- connecting bracket
- idler wheel
- rigid
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Abstract
The utility model discloses a kind of dome structure chute type operation platform system, it is related to dome technical field of construction, comprising: be arranged in a plurality of cambered way of dome surface, the end face of cambered way is C-shaped, cambered way extends downward into dome bottom edge, and cambered way extends upwardly to dome top surface；Horizontally disposed operating platform；The connecting bracket being arranged in below operating platform, by telescopic hydraulic cylinder connection, there are two rigid idler wheels for the bottom of connecting bracket, and telescopic hydraulic cylinder and rigid idler wheel are opposite one by one, and two rigid idler wheels extend downwardly into same cambered way and do not depart from cambered way；Dome top surface is fixed on for pulling the elevator of connecting bracket；It is arranged in the jacking system of dome side, the top of jacking system is hinged with intermediate support, and intermediate support is bolted with connecting bracket side, and jacking system lifts connecting bracket by intermediate support upwards.The utility model can solve the problems, such as that constructional difficulties on the outside of dome, operating personnel do not have reliable foothold.
Description
Technical field
The utility model relates to dome technical field of construction, specifically a kind of dome structure chute type operating platform system
System.
Background technique
The scaffold mode of setting up that existing dome structure construction generallys use traditional type construct on the outside of dome, but with
The layer-by-layer radius of dome structure reduces, and scaffold is shunk, and causes to set up difficulty, operating personnel's construction is inconvenient, security risk is high；Also have
Special-shaped operating platform is set according to dome structure, but the operating platform is not convenient enough, flexible, operating platform need to prolong border and all set
Set, range it is larger, be both needed to setting operating platform around each work surface of dome structure, lifting is inconvenient.
Summary of the invention
The utility model provides one without reliable foothold for the problem that constructional difficulties on the outside of dome structure, operating personnel
Kind dome structure chute type operation platform system.
A kind of dome structure chute type operation platform system of the utility model solves the technology that above-mentioned technical problem uses
Scheme is as follows:
A kind of dome structure chute type operation platform system, structure include:
It is arranged in a plurality of cambered way of dome surface, the end face of cambered way is C-shaped, and cambered way extends downward into vault
Bottom edge is pushed up, cambered way extends upwardly to dome end face center position, and the spacing between adjacent cambered way is from the bottom to top gradually
Reduce；
The horizontally disposed operating platform for being used to carry construction personnel, operating platform sole arrangement have multiple buffer springs；
Multiple buffer springs of the connecting bracket being arranged in below operating platform, operating platform bottom surface are held downwardly in connection
Bracket, by telescopic hydraulic cylinder connection, there are two rigid idler wheels for the bottom of connecting bracket, and telescopic hydraulic cylinder and rigid idler wheel are opposite one by one,
Two rigid idler wheels extend downwardly into same cambered way, and two rigid idler wheels roll along cambered way and do not depart from cambered way；
It is fixed on the elevator of dome top surface, the steel wire rope free end of elevator is fixed on connection branch after being divided into multiple branches
Frame；
It is arranged in the jacking system of dome side, dome, the top of jacking system are cut in outside the extending direction of jacking system
It is hinged with intermediate support, intermediate support is bolted with connecting bracket side, and jacking system passes through the intermediate support company of lifting upwards
Connect bracket.
It, can be with by the promotion of elevator, the effect of lifting of jacking system, then by the cooperation of rigid idler wheel and cambered way
Underworker completes the construction on the outside of dome, so that entire work progress is not by the variation of dome height.
Specifically, involved intermediate support includes plate, a surface of plate is connected to jack-up dress by articulated base
Top set end, the apparent surface of plate are bolted in connecting bracket side.Plate is connected with connecting bracket always, and plate is opposite
It can be around its articulated position flexible rotating, in jacking system work, to realize plate to connection branch for jacking system
The jack-up of frame is lifted, and is rolled convenient for rigid idler wheel along cambered way.
More specifically, involved intermediate support further includes the more connecting rods positioned at approximately the same plane, and one of more connecting rods
End is articulated with jacking system top after integrally fixing, another end of more connecting rods is integrally attached to plate.
Specifically, the bottom of involved connecting bracket, which there also is provided even number, assists rigid idler wheel, even number assists rigid idler wheel
Two rigid idler wheel two sides are symmetrically arranged in, and the ipsilateral rigid idler wheel of auxiliary extends downwardly into adjacent cambered way, ipsilateral auxiliary is rigid
Idler wheel rolls along the cambered way and does not depart from the cambered way；Even number assists rigid idler wheel to be connected separately with auxiliary telescopic set
Cylinder, auxiliary telescopic sleeve have the limit bolt of adjustable collapsing length, and auxiliary telescopic sleeve has connected up rotating disk, rotate
Disk is fixed on connecting bracket bottom surface by compressed spring.
Specifically, being disposed with guardrail on the outside of involved operating platform, construction personnel is avoided to fall, improves safety index.
It is preferred that having hanged up Dense mesh screen on involved guardrail, avoids the dust generated around construction from influencing worker and carry out high-altitude
Operation further increases construction safety index.
It is preferred that involved connecting bracket top surface is disposed with load-bearing keel, for improving the security and stability of operating platform.
A kind of dome structure chute type operation platform system of the utility model, the beneficial effect having compared with prior art
Fruit is:
The utility model can be slided up and down along dome surface, and be fixed according to the position of required construction height,
It can also avoid that falling accident occurs in work progress, improve safety index, solve constructional difficulties on the outside of dome, operating personnel
There is no the problem of reliable foothold；Based on the variation of dome surface curvature, the operating platform bottom surface of the utility model is provided with slow
Spring is rushed, compressed spring is provided between the rotating disk and connecting bracket at the top of auxiliary telescopic sleeve, is stood as a result, in construction personnel
When operating platform carries out operation, construction personnel can change the deformation of buffer spring and compressed spring, thus in the model of permission
The fine tuning for carrying out operating platform in enclosing by own wt, facilitates construction personnel to carry out operation.
Detailed description of the invention
Attached drawing 1 is the structural front view that dome surface is disposed with a plurality of cambered way in the utility model；
Attached drawing 2 is the partial structural diagram of the utility model embodiment one；
Attached drawing 3 is the structural schematic diagram that cambered way is connect with rigid idler wheel in the utility model；
Attached drawing 4 is the structural front view of two intermediate support of the utility model embodiment；
Attached drawing 5 is the attachment structure schematic diagram of connecting bracket and the rigid idler wheel of auxiliary, auxiliary pulley in the utility model.
Each label information indicates in attached drawing:
1, cambered way, 2, operating platform, 3, connecting bracket, 4, buffer spring, 5, rigid idler wheel,
6, elevator, 7, wirerope, 8, hydraulic lifting device, 9, plate, 10, guardrail, 11, Dense mesh screen,
12, connecting rod, the 13, first auxiliary telescopic sleeve, the 14, first rigid idler wheel of auxiliary, 15, telescopic hydraulic cylinder,
16, dome, the 17, first rotating disk, the 18, first compressed spring, the 19, first limit bolt,
20, the second auxiliary telescopic sleeve, the 21, second rigid idler wheel of auxiliary, the 22, second rotating disk,
23, the second compressed spring, the 24, second limit bolt.
Specific embodiment
The technical issues of to make the technical solution of the utility model, solving and technical effect are more clearly understood, and tie below
Specific embodiment is closed, clear, complete description is carried out to the technical solution of the utility model, it is clear that described embodiment is only
It is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, this field
All embodiments that technical staff obtains without making creative work, all in the protection scope of the utility model
Within.
Embodiment one:
With reference to attached drawing 1,2,3, the present embodiment discloses a kind of dome structure chute type operation platform system, and structure includes:
It is arranged in a plurality of cambered way 1 on 16 surface of dome, the end face of cambered way 1 is C-shaped, and cambered way 1 is to downward
16 bottom edge of dome is extended to, cambered way 1 extends upwardly to 16 end face center position of dome, the spacing between adjacent cambered way 1
It is gradually reduced from the bottom to top；
The horizontally disposed operating platform 2 for being used to carry construction personnel, 2 sole arrangement of operating platform have multiple buffer springs 4；
It is arranged in the connecting bracket 3 of 2 lower section of operating platform, multiple buffer springs 4 of 2 bottom surface of operating platform are held downwardly in
Connecting bracket 3, hingedly there are two telescopic hydraulic cylinder 15, the telescopic end difference of two telescopic hydraulic cylinders 15 for the bottom of connecting bracket 3
It is connected with rigid idler wheel 5 downwards, two rigid idler wheels 5 extend downwardly into same cambered way 1, and two rigid idler wheels 5 are along cambered way 1
It rolls and does not depart from cambered way 1；
It is fixed on the elevator 6 of 16 top surface of dome, 7 free end of wirerope of elevator 6 is fixed on after being divided into multiple branches
Connecting bracket 3；
It is arranged in the hydraulic lifting device 8 of 16 side of dome, is cut in dome 16 outside the extending direction of hydraulic lifting device 8, it is hydraulic
Bottom surface is fixed in 8 location of jacking device, and the top of hydraulic lifting device 8 is hinged with plate 9, surface of the plate 9 far from hydraulic lifting device 8
It is bolted with connecting bracket 3, hydraulic lifting device 8 lifts connecting bracket 3 by plate 9 upwards.
It is disposed with guardrail 10 on the outside of involved operating platform 2, construction personnel is avoided to fall, improves safety index.
Dense mesh screen 11 has been hanged up on involved guardrail 10, has avoided the dust generated around construction from influencing worker and carries out high-altitude work
Industry further increases construction safety index.
When needing to construct on the outside of dome 16, construction location being determined, opening hydraulic lifting device 8, hydraulic lifting device 8 passes through
Connecting bracket 3 is lifted or pushed to plate 9, and the idler wheel of 3 bottom of connecting bracket is rolled along cambered way 1, until opening after construction height
Two telescopic hydraulic cylinders 15 are opened, keeps the surface of operating platform 2 horizontal, constructs after standing convenient for operator, be then turned on and mention
Machine 6 is risen, the wirerope 7 of elevator 6 tenses connecting bracket 3.Construction personnel can operating platform 2 reach specified altitude assignment after by
Other devices are stood firm in operating platform 2, and 16 surface construction of dome is carried out.
Embodiment two:
With reference to attached drawing 1,2,3, the present embodiment discloses a kind of dome structure chute type operation platform system, and structure includes:
It is arranged in a plurality of cambered way 1 on 16 surface of dome, the end face of cambered way 1 is C-shaped, and cambered way 1 is to downward
16 bottom edge of dome is extended to, cambered way 1 extends upwardly to 16 end face center position of dome, the spacing between adjacent cambered way 1
It is gradually reduced from the bottom to top；
The horizontally disposed operating platform 2 for being used to carry construction personnel, 2 sole arrangement of operating platform have multiple buffer springs 4；
It is arranged in the connecting bracket 3 of 2 lower section of operating platform, 3 top surface of connecting bracket is disposed with load-bearing keel, for improving behaviour
Make the security and stability of platform 2, multiple buffer springs 4 of 2 bottom surface of operating platform are held downwardly in the load-bearing of 3 top surface of connecting bracket
Keel, hingedly there are two telescopic hydraulic cylinder 15, the telescopic end of two telescopic hydraulic cylinders 15 connects separately down for the bottom of connecting bracket 3
Be connected to rigid idler wheel 5, two rigid idler wheels 5 extend downwardly into same cambered way 1, two rigid idler wheels 5 rolled along cambered way 1 and
Cambered way 1 is not departed from；
It is fixed on the elevator 6 of 16 top surface of dome, 7 free end of wirerope of elevator 6 is fixed on after being divided into multiple branches
Connecting bracket 3；
It is arranged in the hydraulic lifting device 8 of 16 side of dome, is cut in dome 16 outside the extending direction of hydraulic lifting device 8, it is hydraulic
Bottom surface is fixed in 8 location of jacking device, and the top of hydraulic lifting device 8 is hinged with intermediate support, intermediate support and 3 side of connecting bracket
It is bolted, jacking system lifts connecting bracket 3 by intermediate support upwards.
With reference to attached drawing 4, involved intermediate support includes plate 9 and the more connecting rods 12, Duo Genlian positioned at approximately the same plane
One end of bar 12 is articulated with jacking system top after integrally fixing, another end of more connecting rods 12 is integrally attached to put down
Plate 9, surface of the plate 9 far from more connecting rods 12 are bolted with 3 side of connecting bracket.
It is disposed with guardrail 10 on the outside of involved operating platform 2, construction personnel is avoided to fall, improves safety index.
Dense mesh screen 11 has been hanged up on involved guardrail 10, has avoided the dust generated around construction from influencing worker and carries out high-altitude work
Industry further increases construction safety index.
When needing to construct on the outside of dome 16, construction location being determined, opening hydraulic lifting device 8, hydraulic lifting device 8 passes through
Connecting bracket 3 is lifted or pushed to intermediate support, and the idler wheel of 3 bottom of connecting bracket is rolled along cambered way 1, until construction height
Afterwards, two telescopic hydraulic cylinders 15 are opened, keeps the surface of operating platform 2 horizontal, constructs after standing convenient for operator, then open
Elevator 6 is opened, the wirerope 7 of elevator 6 tenses connecting bracket 3.Construction personnel can be after operating platform 2 reaches specified altitude assignment
It stands firm by other devices in operating platform 2, carries out 16 surface construction of dome.
Embodiment three:
With reference to attached drawing 1,2,3, the present embodiment discloses a kind of dome structure chute type operation platform system, and structure includes:
It is arranged in a plurality of cambered way 1 on 16 surface of dome, the end face of cambered way 1 is C-shaped, and cambered way 1 is to downward
16 bottom edge of dome is extended to, cambered way 1 extends upwardly to 16 end face center position of dome, the spacing between adjacent cambered way 1
It is gradually reduced from the bottom to top；The horizontally disposed operating platform 2 for being used to carry construction personnel, 2 sole arrangement of operating platform has multiple
Buffer spring 4；
It is arranged in the connecting bracket 3 of 2 lower section of operating platform, multiple buffer springs 4 of 2 bottom surface of operating platform are held downwardly in
Connecting bracket 3, by the connection of telescopic hydraulic cylinder 15, there are two rigid idler wheel 5, telescopic hydraulic cylinder 15 and just rollings for the bottom of connecting bracket 3
Wheel 5 is opposite one by one, and two rigid idler wheels 5 extend downwardly into same cambered way 1, two rigid idler wheels 5 along the rolling of cambered way 1 and
Cambered way 1 is not departed from；
It is fixed on the elevator 6 of 16 top surface of dome, 7 free end of wirerope of elevator 6 is fixed on after being divided into multiple branches
Connecting bracket 3；
It is arranged in the hydraulic lifting device 8 of 16 side of dome, is cut in dome 16 outside the extending direction of hydraulic lifting device 8, it is hydraulic
The top of jacking device 8 is hinged with intermediate support, and intermediate support is bolted with 3 side of connecting bracket, and jacking system passes through centre
Bracket lifts connecting bracket 3 upwards.
With reference to attached drawing 4, involved intermediate support includes plate 9 and the more connecting rods 12, Duo Genlian positioned at approximately the same plane
One end of bar 12 is articulated with jacking system top after integrally fixing, another end of more connecting rods 12 is integrally attached to put down
Plate 9, surface of the plate 9 far from more connecting rods 12 are bolted with 3 side of connecting bracket.
With reference to attached drawing 5, the bottom of involved connecting bracket 3 there also is provided four rigid idler wheels of auxiliary, four rigid idler wheels of auxiliary
Rigid 5 two sides of idler wheel are arranged in after being divided into two groups, two rigid idler wheels of auxiliary with group are along arrangement before and after the radial direction of dome.
For convenience of differentiation, two rigid idler wheels of auxiliary in first group are known as the rigid idler wheel 14 of the first auxiliary, will be in second by us
A group of two rigid idler wheels of auxiliary are known as the rigid idler wheel 21 of the second auxiliary.The two first rigid idler wheels 14 of auxiliary extend downwardly into and rigid idler wheel
5 adjacent left side cambered ways 1, the two second rigid idler wheels 21 of auxiliary extend downwardly into the right side cambered way adjacent with rigid idler wheel 5
1, the rigid idler wheel 21 of rigid 14, two second, the idler wheel auxiliary of two first auxiliary is rolled and is not departed from along cambered way 1 where it respectively
Cambered way 1；Rigid 14 two the first auxiliary telescopic sleeves 13 of opposite connection of idler wheel of two first auxiliary, two the first auxiliary telescopics
Sleeve 13 is respectively provided with the first limit bolt 19 of adjustable collapsing length, and two the first auxiliary telescopic sleeves 13 connect respectively upwards
It is connected to the first rotating disk 17, the first rotating disk 17 is fixed on 3 bottom surface of connecting bracket by the first compressed spring 18.Two second auxiliary
21 pairs of rigid idler wheel connections, two the second auxiliary telescopic sleeves 20 are helped, two the second auxiliary telescopic sleeves 20 have adjustable flexible length
Second limit bolt 24 of degree, two the second auxiliary telescopic sleeves 20 are connected separately with the second rotating disk 22, the second rotation upwards
Disk 22 is fixed on 3 bottom surface of connecting bracket by the second compressed spring 23.Common first auxiliary telescopic sleeve 13 and the second auxiliary
Extension sleeve 20 generally includes inner barrel and outer barrel, and limit hole is opened up on outer cylinder, opens up multiple adjustment holes on the inner cylinder, then will
Limit bolt is inserted into one of adjustment hole of inner cylinder after the limit hole of outer cylinder, and the length of auxiliary telescopic sleeve can be realized
It is fixed.
It is disposed with guardrail 10 on the outside of involved operating platform 2, construction personnel is avoided to fall, improves safety index.
When needing to construct on the outside of dome 16, construction location is determined, open telescopic hydraulic cylinder 15, hydraulic lifting device 8, liquid
Pressure jacking device 8 is lifted or is pushed connecting bracket 3 by intermediate support, and the steel roller of 3 bottom of connecting bracket is rolled along cambered way 1
It is dynamic, meanwhile, two auxiliary steel pulleys are slided along cambered way 1, based on the change of 16 radius of curvature of dome, rotating disk seat and company
The compressed spring connect between bracket 3 carries out different degrees of deformation, until opening elevator 6, the steel wire of elevator 6 after construction height
Rope 7 tenses connecting bracket 3, meanwhile, the first limit bolt 19 is inserted into the first auxiliary telescopic sleeve 13, by the second limit bolt 24
It is inserted into the second auxiliary telescopic sleeve 20, realizes that the length of the first auxiliary telescopic sleeve 13 and the second auxiliary telescopic sleeve 20 is fixed.
Construction personnel can stand firm by other devices in operating platform 2 after operating platform 2 reaches specified altitude assignment, carry out 16 table of dome
Surface construction.
Use above specific case elaborates the principles of the present invention and embodiment, these embodiments
It is merely used to help understand the core technology content of the utility model, the protection scope being not intended to limit the utility model, sheet
The technical solution of utility model is not limited in above-mentioned specific embodiment.Above-mentioned specific embodiment based on the utility model,
Those skilled in the art are without departing from the principle of this utility model, any to made by the utility model to change
Into and modification, should all fall into the scope of patent protection of the utility model.
Claims (7)
1. a kind of dome structure chute type operation platform system, which is characterized in that its structure includes:
It is arranged in a plurality of cambered way of dome surface, the end face of the cambered way is C-shaped, and the cambered way extends downwardly
To dome bottom edge, the cambered way extends upwardly to dome end face center position, and the spacing between adjacent cambered way is under
It is supreme to be gradually reduced；
The horizontally disposed operating platform for being used to carry construction personnel, the operating platform sole arrangement have multiple buffer springs；
The connecting bracket being arranged in below operating platform, multiple buffer springs of the operating platform bottom surface are held downwardly in described
Connecting bracket, by telescopic hydraulic cylinder connection, there are two rigid idler wheel, telescopic hydraulic cylinder and rigid idler wheels for the bottom of the connecting bracket
Opposite one by one, two rigid idler wheels extend downwardly into same cambered way, and two rigid idler wheels are rolled and do not departed from along cambered way
Cambered way；
It is fixed on the elevator of dome top surface, the steel wire rope free end of the elevator is fixed on connection branch after being divided into multiple branches
Frame；
It is arranged in the jacking system of dome side, is cut in dome outside the extending direction of the jacking system, the jacking system
Top is hinged with intermediate support, and the intermediate support is bolted with the connecting bracket side, and jacking system passes through intermediate branch
Frame lifts connecting bracket upwards.
2. a kind of dome structure chute type operation platform system according to claim 1, which is characterized in that the intermediate branch
Frame includes plate, and a surface of the plate is connected to jacking system top, the opposite table of the plate by articulated base
Face is bolted in the connecting bracket side.
3. a kind of dome structure chute type operation platform system according to claim 2, which is characterized in that the intermediate branch
Frame further includes the more connecting rods positioned at approximately the same plane, and an end of more connecting rods is articulated with jacking system top after integrally fixing
End, another end of more connecting rods is integrally attached to plate.
4. a kind of dome structure chute type operation platform system according to claim 1, which is characterized in that the connection
The bottom of bracket there also is provided even number and assist rigid idler wheel, and even number assists rigid idler wheel to be symmetrically arranged in two rigid idler wheel two sides,
And the ipsilateral rigid idler wheel of auxiliary extends downwardly into adjacent cambered way, the rigid idler wheel of ipsilateral auxiliary rolls and not along the cambered way
It is detached from the cambered way；Even number assists rigid idler wheel to be connected separately with auxiliary telescopic sleeve, and the auxiliary telescopic sleeve has can
The limit bolt of collapsing length is adjusted, the auxiliary telescopic sleeve has connected up rotating disk, and the rotating disk passes through compression bullet
Spring is fixed on connecting bracket bottom surface.
5. a kind of dome structure chute type operation platform system according to claim 1, which is characterized in that the operation is flat
Guardrail is disposed on the outside of platform.
6. a kind of dome structure chute type operation platform system according to claim 5, which is characterized in that on the guardrail
Dense mesh screen is hanged up.
7. a kind of dome structure chute type operation platform system according to claim 1, which is characterized in that the connection branch
Top of support is disposed with load-bearing keel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497342.9U CN209194965U (en) | 2018-09-13 | 2018-09-13 | A kind of dome structure chute type operation platform system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821497342.9U CN209194965U (en) | 2018-09-13 | 2018-09-13 | A kind of dome structure chute type operation platform system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209194965U true CN209194965U (en) | 2019-08-02 |
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ID=67405965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821497342.9U Active CN209194965U (en) | 2018-09-13 | 2018-09-13 | A kind of dome structure chute type operation platform system |
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| Country | Link |
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| CN (1) | CN209194965U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803101A (en) * | 2021-09-18 | 2021-12-17 | 汪辉 | Hydraulic support |
| CN113914647A (en) * | 2021-12-13 | 2022-01-11 | 江苏鸿恩智能科技有限公司 | Circular top type building circumferential transverse moving climbing frame chain and assembly thereof |
| CN114250964A (en) * | 2021-12-27 | 2022-03-29 | 上海建工集团股份有限公司 | Supporting device for dome roof construction |
-
2018
- 2018-09-13 CN CN201821497342.9U patent/CN209194965U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803101A (en) * | 2021-09-18 | 2021-12-17 | 汪辉 | Hydraulic support |
| CN113914647A (en) * | 2021-12-13 | 2022-01-11 | 江苏鸿恩智能科技有限公司 | Circular top type building circumferential transverse moving climbing frame chain and assembly thereof |
| CN113914647B (en) * | 2021-12-13 | 2022-03-01 | 江苏鸿恩智能科技有限公司 | Circular top type building circumferential transverse moving climbing frame chain and assembly thereof |
| CN114250964A (en) * | 2021-12-27 | 2022-03-29 | 上海建工集团股份有限公司 | Supporting device for dome roof construction |
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