CN113982239A - Steel structure wall panel installation construction method - Google Patents

Steel structure wall panel installation construction method Download PDF

Info

Publication number
CN113982239A
CN113982239A CN202111263785.8A CN202111263785A CN113982239A CN 113982239 A CN113982239 A CN 113982239A CN 202111263785 A CN202111263785 A CN 202111263785A CN 113982239 A CN113982239 A CN 113982239A
Authority
CN
China
Prior art keywords
wall panel
steel structure
platform
structure wall
directional
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111263785.8A
Other languages
Chinese (zh)
Inventor
蔺晓峰
陈振奎
朱建军
孟万生
刘明亮
张娇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Chemical Engineering Second Construction Corp
Original Assignee
China Chemical Engineering Second Construction Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Chemical Engineering Second Construction Corp filed Critical China Chemical Engineering Second Construction Corp
Priority to CN202111263785.8A priority Critical patent/CN113982239A/en
Publication of CN113982239A publication Critical patent/CN113982239A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28Mobile scaffolds; Scaffolds with mobile platforms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/167Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/04Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/045Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/10Steps or ladders specially adapted for scaffolds
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G2005/008Hoisting devices specially adapted as part of a scaffold system

Abstract

The invention relates to a mounting construction method for a steel structure wall panel, which is characterized in that the wall panel is constructed by adopting a movable operation platform which is hung in a web plate of a steel structure purline, the movable operation platform comprises a platform frame, one side of the platform frame is provided with a ladder, an auxiliary platform is arranged in the platform frame, and the top and the lower part of the platform frame, which are close to one side of the steel structure wall panel, are respectively provided with a directional wheel and a directional trundle, wherein the directional wheel is longitudinally arranged and is arranged in the web plate of the steel structure wall panel; the directional caster wheels are transversely supported on the steel structure wall panel; after the installation of one-band wall panel is finished, the driving mechanism drives the directional wheel to rotate, so that the mobile operation platform and construction operators can translate to the next-band wall panel construction position at the same time. The wall panel operation platform can reduce the use of frequently disassembling, moving and hoisting machinery, reduce the construction cost and improve the installation efficiency of the wall panel.

Description

Steel structure wall panel installation construction method
Technical Field
The invention relates to a construction method of a steel structure building, in particular to a construction method for installing a steel structure wall panel.
Background
At the present stage, the construction of the fabricated steel structure is developed rapidly, and the metal outer enclosure structure is used as an important component of the fabricated steel structure and is very popular in application. For example, in the line project special for Tianjin Nangang Port iron logistics Limited liability company, the dust canopy is the most core building, a double-span portal steel frame light steel structure is adopted, the interval length is 983m, the span is 32.6m and 31.9m, the axial distance is 9.0m, the cornice height is 14.0m, and the total building area is 63890 square meters. The vertical surface from the ground to the cornice is respectively provided with 3m high-altitude building blocks, 7m high-0.8 mm thick vertical overlock color steel plates, 2.5m high dust screens and a reserved space on the uppermost layer from bottom to top to be used as an air vent. The gable wall from the ground to the cornice is 3m high-altitude building blocks from bottom to top, and the upper surface of the gable wall is a vertical serging color steel plate with the thickness of 0.8 mm. The wall color steel plate is YX 75-210-840, and the wall purline is H250 multiplied by 200 multiplied by 6 multiplied by 8. Among above-mentioned project and the similar project, all there is the shingle nail installation area big, highly high, the big characteristics of safe risk.
The traditional installation method adopts a common hanging ladder, and after each wall panel is installed and fixed, construction workers need to frequently move the hanging ladder at high altitude. Because hang ladder weight great, cause easily when the operation personnel remove to hang safety risk such as ladder toppling.
Disclosure of Invention
The invention aims to provide a construction method for installing a steel structure wall panel, which reduces frequent movement of a wall panel operating platform and improves the installation efficiency of the wall panel under the condition of ensuring the operation safety of operators.
In order to solve the technical problems, the invention adopts the technical scheme that: a mounting construction method for a steel structure wall panel is characterized in that the wall panel is constructed by adopting a movable operation platform which is hung in a web plate of a steel structure purlin, the movable operation platform comprises a platform frame, one side of the platform frame is provided with a ladder, more than two layers of auxiliary platforms for constructors to work are arranged in the platform frame along the height direction, the top and the lower part of the platform frame close to one side of the steel structure wall panel are respectively provided with a directional wheel and a directional trundle, wherein the directional wheel is longitudinally arranged and is connected with a driving mechanism arranged on the platform frame, the driving mechanism drives the directional wheel to rotate, and the directional wheel is arranged in the web plate of the steel structure wall panel; the directional caster wheels are transversely supported on the steel structure wall panel; after the wall panel with the wall panel is installed, the driving mechanism drives the directional wheel to rotate, so that the mobile operation platform and the construction operator can translate to the construction position of the next wall panel with the wall panel; and a winch is arranged at the top of the platform frame and used for hoisting the wall panel.
Furthermore, the platform frame is a three-dimensional frame structure with a rectangular cross section, and comprises four vertical rods and transverse rods transversely connected between the adjacent vertical rods.
Further, the bottom of keeping away from two pole settings of steel construction shingle nail one side all is provided with the cylinder, the cylinder is connected with the fixed air compressor who sets up on the platform frame.
Further, the bottom of the cylinder is provided with a supporting steel plate.
Further, the bottoms of the two vertical rods close to one side of the steel structure wall panel are suspended in the air relative to the ground.
Further, two orientation wheels are symmetrically mounted on top of the platform frame.
Further, the driving mechanism comprises a speed reducer and a belt pulley, and the speed reducer is connected with the belt pulley through a belt; the belt pulley is arranged close to the directional wheel and connected with the directional wheel shaft.
Further, the auxiliary platform comprises a platform panel, and the platform panel is arranged on the cross rod at intervals.
Furthermore, the auxiliary platform also comprises foot blocking plates vertically arranged on the periphery of the platform panel.
Compared with the prior art, the invention utilizes the driving mechanism to drive the directional wheel to rotate, so that the movable operating platform comprises construction operators to move forwards at the same time, and the top of the platform frame is provided with the winch for hoisting the wall panel, thereby reducing the frequent disassembly and movement of the wall panel operating platform and the use of hoisting machinery, lowering the construction cost and improving the installation efficiency of the wall panel. The invention is particularly suitable for the installation of the steel structure wall panel of the large-area industrial factory building.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a front view of a mobile operator platform according to the present invention.
Fig. 2 is a side view of the mobile operator station of the present invention.
In the figure, 1-directional wheel, 2-directional caster wheel, 3-vertical rod, 4-cross rod, 5-cylinder, 6-air compressor, 7-winch, 8-speed reducer, 9-belt pulley, 10-control box, 11-step and 12-ladder vertical rod.
In actual use, the mobile operation platform in fig. 1 and 2 is vertically placed.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. In addition, the features of the embodiments and examples in the present application may be combined with each other without conflict.
As shown in fig. 1 and 2, the wall panel is constructed by adopting a mobile operation platform hung in a steel structure purlin web, the mobile operation platform construction comprises a platform frame, a ladder stand is arranged on one side of the platform frame, more than two layers of auxiliary platforms for constructors to work are arranged in the platform frame along the height direction, and a directional wheel 1 and a directional caster 2 are respectively arranged on the top and the lower part of the platform frame close to one side of the steel structure wall panel, wherein the directional wheel 1 is longitudinally arranged, the directional wheel 1 is connected with a driving mechanism arranged on the platform frame, the driving mechanism drives the directional wheel 1 to rotate, and the directional wheel 1 is arranged in the web of the steel structure wall panel; the directional caster 2 is transversely supported to the steel structural wall panel. After the wall panel with the wall panel is installed, the driving mechanism drives the directional wheel 1 to rotate, so that the mobile operation platform and construction operators can translate to the construction position of the next wall panel with the wall panel; the top of the platform frame is provided with a winch 7 for hoisting the wall panel.
The size of the mobile operation platform can be manufactured on site according to the type of the wall panel, the distance between purlines, the installation height of the wall panel and the like. The directional wheel 1 is placed in the purlin web for bear the load of moving operation platform, utilize actuating mechanism to drive directional wheel 1 and rotate, make to move operation platform including the simultaneous forward movement of construction operation personnel. Directional truckle 2 welds in the operation platform pole setting through the landing leg to ensure directional truckle 2 and paste the shingle nail, so that the lower part can slide smoothly when operation platform moves as a whole.
In order to ensure the stability of the operation platform during integral translation, the two directional wheels 1 are symmetrically arranged on the top of the platform frame. Two directional casters 2 are symmetrically installed at the lower portion of the platform frame. The hoist engine's lifting height can adjust according to the wallboard mounting height, sets up two couples on the wire rope that hoist engine 7 is connected, and during hoist and mount shingle nail, a couple rises to rise, and another couple descends, can improve the operating efficiency.
In a specific embodiment, the platform frame is a three-dimensional frame structure with a rectangular cross section, and the platform frame comprises four vertical uprights 3 and a cross bar 4 transversely connected between the adjacent uprights 3. The directional caster 2 is welded to the upright 3 of the operating platform by means of legs.
In the preferred embodiment, the bottom of two vertical rods 3 far away from one side of the steel structure wall panel is provided with a cylinder 5, and the cylinder 5 is connected with an air compressor 6 fixedly arranged on the platform frame. In this embodiment, two air cylinders 5 are installed at the bottom of the mobile operation platform, and the stroke thereof can be controlled by compressed air supplied from an air compressor 6. On one hand, the cylinder 5 can adjust the overall verticality of the mobile operating platform; on the other hand, the load of the mobile operation platform and the construction worker is transmitted to the ground. In a preferred embodiment, the bottom of the cylinder 5 is provided with a supporting steel plate.
In the preferred embodiment, the bottoms of the two uprights 3 adjacent one side of the steel structural wall panel are suspended from the ground. The cylinder atress of two pole setting bottoms of keeping away from steel construction shingle nail one side is utilized for operation platform closely laminates to steel construction shingle nail one side.
In the present embodiment, the driving mechanism includes a speed reducer 8 and a belt pulley 9, and the speed reducer 8 and the belt pulley 9 are connected by a belt; the belt pulley 9 is arranged close to the orienting wheel 1 and is connected with the orienting wheel 1 through a shaft. Utilize speed reducer 8 to drive belt pulley 9, belt pulley 9 drives directional wheel 1 and rotates to make the removal operation platform include that construction operation personnel move forward simultaneously.
A control box 10 is arranged in the platform frame, and the operation of the air compressor 6, the winch 7 and the speed reducer 8 can be controlled through a travel switch.
In this embodiment, the auxiliary platform includes a platform panel, and the platform panel and the foot blocking plates around the platform panel are arranged on the cross rod at intervals. The ladder stand pole setting 12 is arranged on one side of the platform frame, and the ladder stand pole setting and the platform frame are transversely installed between the pole setting close to one side of the steel structure wall panel and are marked with the steps 11 to form the ladder. The cylinder 5 is also arranged at the bottom of the ladder stand rod 12.
The claimed invention is further illustrated by the following relatively specific examples.
The upright rods 3 and the cross rods 4 of the mobile operating platform are welded by adopting galvanized square tubes with the specification of 60 multiplied by 2, the steps 11 are welded by adopting galvanized round steel with the specification of A20, the longitudinal distance between the steps 11 is 200mm, and the overall size of the mobile operating platform is 1.5 multiplied by 0.6 multiplied by 14m (length multiplied by width multiplied by height).
Set up a fixed auxiliary platform on the frame platform of every purlin below 600mm position of steel construction, auxiliary platform is used for construction operation personnel fixed shingle nail, and every auxiliary platform arranges a construction operation personnel. In order to avoid the striking of objects, a pattern steel plate and a foot baffle plate are paved on the platform.
Remove operation platform installation distance wall 300mm, the unsettled 100mm of the inboard landing leg that is close to the wall, two auxiliary cylinder 5 of outside landing leg installation, the stroke of cylinder 5 should not be less than 500mm to at 5 terminal welding two 150mm steel sheets of cylinder, increase the bearing capacity, when operation platform removed, the accessible was adjusted compressed air and is adjusted the stroke of cylinder.
A small air compressor 6 is arranged on an auxiliary platform at the position 1m of the mobile operation platform, the model of the air compressor 6 is 750W-10L, the air displacement is 40L/min, and the pressure is 0.8 MPa. An air compressor 6 provides compressed air to the cylinders of the legs.
Respectively install a directional truckle 2 in operation platform 2m department both sides, the landing leg of fixed directional truckle 2 welds on operation platform's pole setting 3 to ensure that directional truckle 3 is pasting the wall, so that the lower part can slide smoothly when operation platform moving as a whole.
A small-sized winch 7 is arranged on one side of the position 14m of the mobile operation platform, and the lifting height is 13 m. Two hooks are arranged on the steel wire rope, and when the wall panel is hoisted, one hook is lifted, and the other hook is descended.
A speed reducer 8 is arranged on the other side of the 14m position of the mobile operation platform, and an orientation wheel 1 and a belt pulley 9 are respectively arranged on two sides of the 12.5m position, wherein the orientation wheel 1 is placed in a web plate of the purlin and can bear the load of the mobile operation platform. The directional wheel 1 is connected with the belt pulley 9 through a shaft, and the belt pulley 9 is connected with the speed reducer 8 through a belt. When the speed reducer 8 is started, the speed reducer 8 drives the belt pulley through the belt, so that the mobile operation platform moves forwards.
A control box 10 is arranged at a position 14m of the mobile operation platform, wires of the air compressor 6, the winch 7 and the speed reducer 8 are connected with the control box 10, and the air compressor 6, the small winch 7 and the speed reducer 8 are controlled to operate through a travel switch.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.

Claims (9)

1. The mounting and construction method of the steel structure wall panel is characterized by comprising the following steps: the wall panel is constructed by adopting a movable operation platform which is connected in a steel structure purline web in a hanging mode, the movable operation platform comprises a platform frame, one side of the platform frame is provided with a crawling ladder, more than two layers of auxiliary platforms used for constructors to work are arranged in the platform frame along the height direction, and the top and the lower part of the platform frame close to one side of the steel structure wall panel are respectively provided with a directional wheel and a directional trundle, wherein the directional wheel is longitudinally arranged and is connected with a driving mechanism arranged on the platform frame, the driving mechanism drives the directional wheel to rotate, and the directional wheel is arranged in the web of the steel structure wall panel; the directional caster wheels are transversely supported on the steel structure wall panel; after the wall panel with the wall panel is installed, the driving mechanism drives the directional wheel to rotate, so that the mobile operation platform and the construction operator can translate to the construction position of the next wall panel with the wall panel; and a winch is arranged at the top of the platform frame and used for hoisting the wall panel.
2. The method for installing and constructing the steel structure wall panel according to claim 1, wherein: the platform frame is a three-dimensional frame structure with a rectangular cross section and comprises four vertical rods and transverse rods transversely connected between the adjacent vertical rods.
3. The method for installing and constructing the steel structure wall panel according to claim 1 or 2, wherein: keep away from the bottom of two pole settings of steel construction shingle nail one side and all be provided with the cylinder, the cylinder is connected with the fixed air compressor who sets up on the platform frame.
4. The method for installing and constructing the steel structure wall panel according to claim 3, wherein: and a supporting steel plate is arranged at the bottom of the cylinder.
5. The method for installing and constructing the steel structure wall panel according to claim 4, wherein: the bottoms of the two vertical rods close to one side of the steel structure wall panel are suspended in the air relative to the ground.
6. The method for installing and constructing the steel structure wall panel according to claim 5, wherein: two directional wheels are symmetrically arranged on the top of the platform frame.
7. The method for installing and constructing the steel structure wall panel according to claim 6, wherein: the driving mechanism comprises a speed reducer and a belt pulley, and the speed reducer is connected with the belt pulley through a belt; the belt pulley is arranged close to the directional wheel and connected with the directional wheel shaft.
8. The method for installing and constructing the steel structure wall panel according to claim 7, wherein: the auxiliary platform comprises a platform panel, and the platform panel is arranged on the cross rod at intervals.
9. The method for installing and constructing the steel structure wall panel according to claim 8, wherein: the auxiliary platform further comprises foot blocking plates vertically arranged on the periphery of the platform panel.
CN202111263785.8A 2021-10-28 2021-10-28 Steel structure wall panel installation construction method Pending CN113982239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111263785.8A CN113982239A (en) 2021-10-28 2021-10-28 Steel structure wall panel installation construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111263785.8A CN113982239A (en) 2021-10-28 2021-10-28 Steel structure wall panel installation construction method

Publications (1)

Publication Number Publication Date
CN113982239A true CN113982239A (en) 2022-01-28

Family

ID=79743503

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111263785.8A Pending CN113982239A (en) 2021-10-28 2021-10-28 Steel structure wall panel installation construction method

Country Status (1)

Country Link
CN (1) CN113982239A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011105474A (en) * 2009-11-19 2011-06-02 Taisei Corp Working carriage for carrying concrete lump and method for removing concrete lump using the same
CN104878916A (en) * 2015-06-25 2015-09-02 湖南省第六工程有限公司 Detachable simple four-wheel moving operating platform with building material lifting function
CN106907011A (en) * 2017-04-06 2017-06-30 中冶天工集团有限公司 A kind of metope color steel construction method of installation and its hanging ladder of application
CN208749063U (en) * 2018-08-03 2019-04-16 中国葛洲坝集团三峡建设工程有限公司 A kind of mobile job platform of underground chamber abutment wall
CN209924409U (en) * 2019-02-20 2020-01-10 湖北旺科模板有限公司 Wall-attached self-climbing electric lifting platform
CN210177913U (en) * 2019-04-02 2020-03-24 中国华冶科工集团有限公司 Slidable wall color plate mounting device
CN213015280U (en) * 2020-06-23 2021-04-20 鞍钢建设集团有限公司 Movable material loading platform

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011105474A (en) * 2009-11-19 2011-06-02 Taisei Corp Working carriage for carrying concrete lump and method for removing concrete lump using the same
CN104878916A (en) * 2015-06-25 2015-09-02 湖南省第六工程有限公司 Detachable simple four-wheel moving operating platform with building material lifting function
CN106907011A (en) * 2017-04-06 2017-06-30 中冶天工集团有限公司 A kind of metope color steel construction method of installation and its hanging ladder of application
CN208749063U (en) * 2018-08-03 2019-04-16 中国葛洲坝集团三峡建设工程有限公司 A kind of mobile job platform of underground chamber abutment wall
CN209924409U (en) * 2019-02-20 2020-01-10 湖北旺科模板有限公司 Wall-attached self-climbing electric lifting platform
CN210177913U (en) * 2019-04-02 2020-03-24 中国华冶科工集团有限公司 Slidable wall color plate mounting device
CN213015280U (en) * 2020-06-23 2021-04-20 鞍钢建设集团有限公司 Movable material loading platform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中国二十冶集团有限公司: "《宝钢股份不锈钢事业部冷IV标工程施工技术》", 31 August 2010, 同济大学出版社 *

Similar Documents

Publication Publication Date Title
CN109826411B (en) Climbing frame for building and operation method thereof
CN110306776A (en) A kind of hoistable platform for construction of elevator shaft in high-rise building
CN105668428A (en) Lifting transportation device suitable for being mounted on window
CN104831623B (en) A kind of across pier suspension bracket self-propelling device
JP5914203B2 (en) Disassembly method, disassembly assistance device
CN216196496U (en) Movable operation platform for installing steel structure wall panel
WO2023184882A1 (en) Material lifting device
CN113982239A (en) Steel structure wall panel installation construction method
JPH06263369A (en) Elevator
JP2014047479A (en) Method for lifting demolishing heavy machine to building to be demolished
CN205312917U (en) Portable jack -up hoist and mount transportation equipment
CN114436134A (en) Glass vertical hoisting in-place tool capable of being flexibly adjusted and displaced in multiple directions and use method
JP6646220B2 (en) Construction method of suspended steel frame for suspended ceiling
CN202170231U (en) Mobile pulling bar
JPH0892916A (en) Construction method of raising and lowering of bridge girder and raising machine and bent member
JP3073384B2 (en) Exterior wall unit mounting device
JP2010150039A (en) Crane girder replacing method and crane girder replacing device
JP2008063873A (en) Transfer mechanism of ceiling and execution method
CN218403412U (en) A pipeline hoist device for interior space
CN213569241U (en) Vertical lifting device
CN213445893U (en) Vertical lifting device for small-space heavy object
CN204608600U (en) A kind of across pier suspension bracket self-propelling device
CN217028007U (en) Electric hanging basket shifting device and electric hanging basket
CN219031629U (en) Lifting equipment for indoor plate installation
KR200200364Y1 (en) High building construction apparatus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20220128

RJ01 Rejection of invention patent application after publication