CN116290917A - Temporary supporting device for construction support of suspended dome - Google Patents

Temporary supporting device for construction support of suspended dome Download PDF

Info

Publication number
CN116290917A
CN116290917A CN202310352461.4A CN202310352461A CN116290917A CN 116290917 A CN116290917 A CN 116290917A CN 202310352461 A CN202310352461 A CN 202310352461A CN 116290917 A CN116290917 A CN 116290917A
Authority
CN
China
Prior art keywords
sliding table
guide
spacing rack
slip table
support device
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
CN202310352461.4A
Other languages
Chinese (zh)
Inventor
张甡
郑建国
王集弘
张淼
迟起鹏
张智
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.)
Zhongqi Jiaojian Group Corp Ltd
Original Assignee
Zhongqi Jiaojian Group Corp Ltd
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 Zhongqi Jiaojian Group Corp Ltd filed Critical Zhongqi Jiaojian Group Corp Ltd
Priority to CN202310352461.4A priority Critical patent/CN116290917A/en
Publication of CN116290917A publication Critical patent/CN116290917A/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
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • 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
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • E04G25/06Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/061Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • E04G25/063Shores or struts; Chocks telescopic with parts held together by positive means by pins with safety devices to avoid the accidental loss or unlocking of the pin, e.g. chains attaching the pin to the prop
    • 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
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • E04G2025/047Shores or struts; Chocks telescopic which telescoping action effected by a piston

Abstract

The invention discloses a temporary support device for supporting construction of a suspended dome, which relates to the technical field of steel structure building construction, and comprises a standard section and a sliding table group, wherein the standard section comprises two side frames which are symmetrically arranged, and the side parts of the two side frames are connected through a pull rod; the slip table group is including last slip table and lower slip table, go up slip table and be provided with between the slip table down and promote drive assembly, spacing rack is vertical to be arranged and quantity is four, two of them are a set of fixed connection on the medial surface of side bearer, spacing rack is provided with a plurality of tooth reversing grooves on a side towards the slip table group, go up slip table and lower slip table on all be provided with the limiting plate in the position corresponding with spacing rack, the limiting plate is provided with a plurality of pawl in a side towards spacing rack, pawl and tooth reversing groove embedding cooperation, the limiting plate sets up sideslip drive assembly in a side that deviates from spacing rack. According to the invention, the lifting assembly of the manual carrying oil cylinder is avoided, the potential safety hazard of manual construction in high-altitude operation is reduced, and the construction efficiency is improved.

Description

Temporary supporting device for construction support of suspended dome
Technical Field
The invention relates to the technical field of steel structure building construction, in particular to a temporary supporting device for supporting a suspended dome in construction.
Background
At present, the building industry develops very rapidly, and buildings with large-span spaces are formed successively, so that the buildings are regional landmark buildings. In the aspect of large-span space structure, the net rack and the net shell are the most representative, and are mainly used in large-scale stadium, large-scale exhibition centers, factory buildings and other buildings, and the buildings are characterized by large span, high strength and light dead weight, and the middle is generally provided with little or no supporting system, so that the wide space can be provided to the maximum extent.
When the steel structure net frame is installed, the steel structure net frame is required to be lifted by using the lifting supporting device, the existing lifting supporting device is generally composed of standard joints, a pump station and an oil cylinder, the lifting process is driven by the oil cylinder, new standard joints are required to be installed and stacked to serve as supports after the oil cylinder is lifted in place, however, manual carrying is often required for the movement of the position of the oil cylinder, potential safety hazards of high-altitude operation are avoided, and the construction efficiency is low.
Disclosure of Invention
Based on the problems, the invention aims to provide a temporary supporting device for supporting the construction of a suspended dome, which adopts the following technical scheme:
the invention provides a temporary supporting device for supporting construction of a suspended dome, which comprises the following components:
the standard joint is in a shape of a Chinese character kou and comprises two side frames which are symmetrically arranged, and the side parts of the two side frames are connected through a pull rod; the top and the bottom of each side frame are provided with butt joint hole sites;
the sliding table group is positioned in the standard section and comprises an upper sliding table and a lower sliding table, the upper sliding table and the lower sliding table are both movably connected with the standard section up and down, a lifting driving assembly is arranged between the upper sliding table and the lower sliding table, and the upper end and the lower end of the lifting driving assembly are respectively connected with the upper sliding table and the lower sliding table;
the limiting racks are vertically arranged and four in number, two of the limiting racks are fixedly connected to the inner side face of the side frame, a plurality of inverted tooth grooves are formed in the direction facing one side face of the sliding table group along the length direction, openings of the inverted tooth grooves face upwards, limiting plates are arranged at positions corresponding to the limiting racks on the upper sliding table and the lower sliding table, the limiting plates are provided with a plurality of inverted teeth facing one side face of the limiting racks, the tips of the inverted teeth face downwards, the inverted teeth are matched with the inverted tooth grooves in an embedded mode, a transverse moving driving assembly is arranged on one side face of the limiting plates facing away from the limiting racks, and the transverse moving driving assembly drives the limiting plates to contact or separate from the limiting racks.
Preferably, the side frame comprises two upright posts, two upright posts are connected through two cross bars, connecting lugs are arranged at two ends of two adjacent outer side surfaces of the upright posts, and the butt joint hole site is arranged in the connecting lugs.
Preferably, a reinforcing bar is provided between the two crossbars.
Preferably, positioning holes are formed in two ends of the upright post, and positioning columns are arranged in the positioning holes.
Preferably, the lifting driving assembly comprises a lifting oil cylinder, the upper end of the lifting oil cylinder is connected with the upper sliding table, the lower end of the lifting oil cylinder is connected with the lower sliding table, a plurality of sliding guide rods are arranged around the lifting oil cylinder and are in sliding connection with the sliding guide sleeve, the sliding guide sleeve is fixed on the upper sliding table, and the upper end of the sliding guide rod is connected with the upper sliding table.
Preferably, four corner positions of the upper sliding table and the lower sliding table are respectively provided with a guide wheel set, the outer side of each guide wheel set is provided with a guide rail, and the guide rails are fixedly connected to the side frames;
the guide wheel group comprises a guide wheel seat, two guide wheels which are arranged up and down are arranged on the guide wheel seat, a wheel groove is formed in the outer circumferential surface of the guide wheels, and the guide rail is embedded into the wheel groove.
Preferably, the transverse moving driving assembly comprises a supporting sleeve, the supporting sleeve is fixed in the upper sliding table or the lower sliding table, a supporting arm is arranged in the supporting sleeve, one end of the supporting arm is connected with the limiting plate, and the other end of the supporting arm is connected with the transverse moving oil cylinder.
Preferably, a top is arranged at the top of the upper sliding table; the bottom of the standard knot positioned at the lowest part is provided with a bottom plate.
Preferably, the side parts of the two side frames are connected through two pull rods; the two pull rods on the same side are arranged in a crisscross manner.
Compared with the prior art, the invention has the beneficial technical effects that:
the lifting driving assembly can automatically ascend along with the increase of the standard section, so that manual carrying is avoided, the potential safety hazard of manually building an assembly structure in high-altitude operation is reduced, and the construction efficiency is improved.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of a construction support temporary support device for a suspended dome in an embodiment of the invention;
FIG. 2 is a schematic diagram of a sliding table set according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the cooperation between a limiting plate and a limiting rack according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a traverse driving assembly according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a temporary support device for suspended dome construction according to an embodiment of the present invention
FIG. 6 is a schematic diagram of a guide wheel set according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a side frame according to an embodiment of the present invention.
Reference numerals illustrate: 1. a standard section; 101. a side frame; 101-1, upright posts; 101-2, a cross bar; 101-3, connecting lugs; 101-4, reinforcing rod pieces; 101-5, positioning holes; 102. a pull rod; 103. a butt joint hole site; 2. a slide set; 201. an upper sliding table; 202. a lower sliding table; 203. a lift drive assembly; 203-1, lifting an oil cylinder; 203-2, a slide guiding rod; 203-3, a sliding guide sleeve; 3. a limit rack; 301. pouring tooth grooves; 4. a limiting plate; 401. chamfering; 5. a traversing drive assembly; 501. a support sleeve; 502. a support arm; 503. a traversing oil cylinder; 6. positioning columns; 7. a guide wheel set; 701. a guide wheel seat; 702. a guide wheel; 703. wheel grooves; 8. a guide rail; 9. a bottom plate; 10. and (5) a plug.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 3, the present embodiment discloses a temporary support device for supporting a suspended dome construction, which comprises a standard section 1, a sliding table group 2, a limiting rack 3, a limiting plate 4 and a traversing driving assembly 5.
The number of the standard sections 1 is a plurality, and the standard sections 1 are sequentially stacked from the lower part when in use, and each standard section 1 is in a shape of a Chinese character kou. Specifically, the standard knot 1 comprises two side frames 101 which are symmetrically arranged, and the side parts of the two side frames 101 are connected through a pull rod 102; the top and bottom of each side frame 101 are provided with docking apertures 103. The butt joint holes 103 on the two adjacent standard sections 1 are connected together through bolt assemblies. In this embodiment, the side portions of the two side frames 101 are connected by two tie rods 102; the two pull rods 102 on the same side are arranged in a crisscross manner, connecting hole sites are arranged at two ends of the pull rods 102, and the end connecting hole sites of the pull rods 102 are connected with studs on the side frames 101 and then fixed by nuts.
The sliding table group 2 is located in the standard section 1, the sliding table group 2 is composed of an upper sliding table 201 and a lower sliding table 202, the upper sliding table 201 and the lower sliding table 202 are both movably connected with the standard section 1 up and down, a lifting driving assembly 203 is arranged between the upper sliding table 201 and the lower sliding table 202, and the upper end and the lower end of the lifting driving assembly 203 are respectively connected with the upper sliding table 201 and the lower sliding table 202.
Four limiting racks 3 are arranged in each standard section 1, and the four limiting racks 3 are vertically arranged. Wherein two spacing racks 3 are a set of fixed connection on the medial surface of side bearer 101, and spacing rack 3 is provided with a plurality of inverted tooth grooves 301 along length direction in the side that faces slide table group 2, and inverted tooth grooves 301 opening up. When a plurality of standard sections 1 are stacked together, the limiting racks 3 in each standard section 1 are butted together up and down and extend along with the standard section 1. The upper sliding table 201 and the lower sliding table 202 are respectively provided with a limiting plate 4 at positions corresponding to the limiting racks 3, the limiting plates 4 are provided with a plurality of inverted teeth 401 on one side face facing the limiting racks 3, the tips of the inverted teeth 401 face downwards, the inverted teeth 401 are in embedded fit with the inverted tooth grooves 301, the limiting plates 4 are provided with a transverse moving driving assembly 5 on one side face deviating from the limiting racks 3, and the transverse moving driving assembly 5 drives the limiting plates 4 to contact or separate from the limiting racks 3.
The working principle of the invention is as follows: the transverse moving driving assembly 5 in the lower sliding table 202 is controlled to drive the limiting plate 4 to contact the limiting rack 3, so that the inverted teeth 401 are embedded into the inverted tooth grooves 301, and the sliding trend of the lower sliding table 202 can be limited. The transverse moving driving assembly 5 in the upper sliding table 201 is controlled to drive the limiting plate 4 to be separated from the limiting rack 3, so that the upper sliding table 201 is in a free state, then the lifting driving assembly 203 is controlled to extend out to drive the upper sliding table 201 to move and lift for one stroke, a new standard section 1 is installed on the basis, and the operation of one lifting stroke of the steel structure net rack is finished at the moment.
After the new standard joint 1 is installed and fastened, the transverse moving driving assembly 5 in the upper sliding table 201 is controlled to drive the limiting plate 4 to contact the limiting rack 3, so that the inverted tooth 401 is embedded into the inverted tooth groove 301, and the sliding trend of the upper sliding table 201 can be limited. The transverse moving driving assembly 5 in the lower sliding table 202 is controlled to drive the limiting plate 4 to be separated from the limiting rack 3, so that the lower sliding table 202 is in a free state, and then the lifting driving assembly 203 is controlled to retract to drive the lower sliding table 202 to move and lift for one stroke; after the lower sliding table 202 moves in place, the operation can be continuously repeated, and the steel structure net rack jacking support is completed.
As a structural form capable of realizing lifting driving, in this embodiment, as shown in fig. 2, a lifting driving assembly 203 includes a lifting cylinder 203-1, an upper end of the lifting cylinder 203-1 is connected with an upper sliding table 201, a lower end of the lifting cylinder 203-1 is connected with a lower sliding table 202, a plurality of slide guiding bars 203-2 are disposed around the lifting cylinder 203-1, the slide guiding bars 203-2 are slidably connected in a slide guiding sleeve 203-3, the slide guiding sleeve 203-3 is fixed on the upper sliding table 201, and an upper end of the slide guiding bars 203-2 is connected with the upper sliding table 201.
In this embodiment, in order to prevent the lower end of the sliding guide rod 203-2 from being separated from the sliding guide rod 203-3, an anti-separating pin may be provided at the lower end of the sliding guide rod 203-2.
As a structural form capable of realizing the traversing driving, in this embodiment, as shown in fig. 2 and 4, the traversing driving assembly 5 includes a supporting sleeve 501, the supporting sleeve 501 is fixed in the upper sliding table 201 or the lower sliding table 202, a supporting arm 502 is provided in the supporting sleeve 501, one end of the supporting arm 502 is connected with the limiting plate 4, and the other end is connected with the traversing cylinder 503. The traversing cylinder 503 moves in the supporting sleeve 501 through the telescopic control supporting arm 502, so as to control the limiting plate 4 to contact with or separate from the limiting rack 3.
As a structural form capable of realizing the movable connection of the sliding table group 2 in the standard section 1, in this embodiment, as shown in fig. 5 and 6, four corner positions of the upper sliding table 201 and the lower sliding table 202 are respectively provided with a guide wheel group 7, the outer side of each guide wheel group 7 is provided with a guide rail 8, and the guide rails 8 are fixedly connected on the side frames 101.
The guide wheel set 7 comprises a guide wheel seat 701, the guide wheel seat 701 is fixedly connected to the upper sliding table 201 or the lower sliding table 202, two guide wheels 702 which are arranged up and down are arranged on the guide wheel seat 701, a wheel groove 703 is formed in the outer circumferential surface of the guide wheels 702, and the guide rail 8 is embedded into the wheel groove 703. When a plurality of standard knots 1 are stacked together, the guide rails 8 in each standard knot 1 are butted up and down together and extend with the standard knots 1.
As shown in fig. 7, the side frame 101 in this embodiment includes two upright posts 101-1, the two upright posts 101-1 are welded by two cross bars 101-2, two ends of two adjacent outer sides of the upright posts 101-1 are respectively provided with a connecting lug 101-3, and a butt joint hole site 103 is formed in the connecting lug 101-3. A reinforcing bar 101-4 is provided in the region between the two crossbars 101-2. The reinforcing bar 101-4 can increase the structural rigidity of the side frame 101.
When the upper and lower standard sections 1 are stacked, in order to facilitate placement of the upper side frame 101, in this embodiment, positioning holes 101-5 are provided at both ends of the upright post 101-1, and positioning columns 6 are provided in the positioning holes 101-5.
In this embodiment, a top 10 is provided on the top of the upper sliding table 201, the top 10 is used for lifting a steel structure, and a bottom plate 9 is provided on the bottom of the standard section 1 located at the lowest position. The bottom plate 9 can be fixed on the hardened ground through expansion bolts, and the butt joint hole site 103 on the lowermost standard joint 1 is fixed on the bottom plate 9 through bolts.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (9)

1. A suspended dome construction support temporary support device, comprising:
the standard joint (1), the standard joint (1) is in a shape of a Chinese character kou, the standard joint (1) comprises two side frames (101) which are symmetrically arranged, and the side parts of the two side frames (101) are connected through a pull rod (102); the top and the bottom of each side frame (101) are provided with butt joint hole sites (103);
the sliding table set (2), the sliding table set (2) is arranged in the standard section (1), the sliding table set (2) comprises an upper sliding table (201) and a lower sliding table (202), the upper sliding table (201) and the lower sliding table (202) are both movably connected with the standard section (1) up and down, a lifting driving assembly (203) is arranged between the upper sliding table (201) and the lower sliding table (202), and the upper end and the lower end of the lifting driving assembly (203) are respectively connected with the upper sliding table (201) and the lower sliding table (202);
spacing rack (3), spacing rack (3) are vertical to be arranged and quantity is four, two of them spacing rack (3) are a set of fixed connection on the medial surface of side bearer (101), spacing rack (3) are towards be provided with a plurality of tooth reversing grooves (301) along length direction on one side of slip table group (2), tooth reversing grooves (301) open side up, go up slip table (201) and lower slip table (202) on with spacing rack (3) corresponding position all is provided with limiting plate (4), limiting plate (4) are towards one side of spacing rack (3) is provided with a plurality of pawl (401), pawl (401) point end down, pawl (401) with tooth reversing groove (301) embedding cooperation, limiting plate (4) sideslip is deviating from one side of spacing rack (3) sets up drive assembly (5), sideslip drive assembly (5) drive limiting plate (4) contact or break away from spacing rack (3).
2. The suspended dome construction support temporary support device according to claim 1, wherein: the side frame (101) comprises two upright posts (101-1), two upright posts (101-1) are connected through two cross bars (101-2), connecting lugs (101-3) are arranged at two ends of two adjacent outer side surfaces of each upright post (101-1), and butt joint hole sites (103) are formed in the connecting lugs (101-3).
3. The suspended dome construction support temporary support device according to claim 2, wherein: a reinforcing rod piece (101-4) is arranged between the two cross bars (101-2).
4. The suspended dome construction support temporary support device according to claim 2, wherein: positioning holes (101-5) are formed in two ends of the upright post (101-1), and positioning columns (6) are arranged in the positioning holes (101-5).
5. The suspended dome construction support temporary support device according to claim 1, wherein: the lifting drive assembly (203) comprises a lifting oil cylinder (203-1), the upper end of the lifting oil cylinder (203-1) is connected with the upper sliding table (201), the lower end of the lifting oil cylinder (203-1) is connected with the lower sliding table (202), a plurality of sliding guide rods (203-2) are arranged around the lifting oil cylinder (203-1), the sliding guide rods (203-2) are slidably connected in the sliding guide sleeve (203-3), the sliding guide sleeve (203-3) is fixed on the upper sliding table (201), and the upper end of the sliding guide rod (203-2) is connected with the upper sliding table (201).
6. The suspended dome construction support temporary support device according to claim 1, wherein: four corner positions of the upper sliding table (201) and the lower sliding table (202) are respectively provided with a guide wheel set (7), the outer side of each guide wheel set (7) is provided with a guide rail (8), and the guide rails (8) are fixedly connected to the side frames (101);
the guide wheel set (7) comprises a guide wheel seat (701), two guide wheels (702) which are arranged up and down are arranged on the guide wheel seat (701), a wheel groove (703) is formed in the outer circumferential surface of the guide wheels (702), and the guide rail (8) is embedded into the wheel groove (703).
7. The suspended dome construction support temporary support device according to claim 1, wherein: the transverse moving driving assembly (5) comprises a supporting sleeve (501), the supporting sleeve (501) is fixed in the upper sliding table (201) or the lower sliding table (202), a supporting arm (502) is arranged in the supporting sleeve (501), one end of the supporting arm (502) is connected with the limiting plate (4), and the other end of the supporting arm is connected with the transverse moving oil cylinder (503).
8. The suspended dome construction support temporary support device according to claim 1, wherein: a top head (10) is arranged at the top of the upper sliding table (201); the bottom of the standard knot (1) positioned at the lowest part is provided with a bottom plate (9).
9. The suspended dome construction support temporary support device according to claim 1, wherein: the side parts of the two side frames (101) are connected through the two pull rods (102); the two pull rods (102) on the same side are arranged in a crisscross manner.
CN202310352461.4A 2023-04-04 2023-04-04 Temporary supporting device for construction support of suspended dome Pending CN116290917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310352461.4A CN116290917A (en) 2023-04-04 2023-04-04 Temporary supporting device for construction support of suspended dome

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310352461.4A CN116290917A (en) 2023-04-04 2023-04-04 Temporary supporting device for construction support of suspended dome

Publications (1)

Publication Number Publication Date
CN116290917A true CN116290917A (en) 2023-06-23

Family

ID=86781488

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310352461.4A Pending CN116290917A (en) 2023-04-04 2023-04-04 Temporary supporting device for construction support of suspended dome

Country Status (1)

Country Link
CN (1) CN116290917A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117161635A (en) * 2023-11-02 2023-12-05 南通庞源机械工程有限公司 Welding device for production of tower crane standard knot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117161635A (en) * 2023-11-02 2023-12-05 南通庞源机械工程有限公司 Welding device for production of tower crane standard knot
CN117161635B (en) * 2023-11-02 2024-04-05 南通庞源机械工程有限公司 Welding device for production of tower crane standard knot

Similar Documents

Publication Publication Date Title
CN116290917A (en) Temporary supporting device for construction support of suspended dome
CN109594479B (en) Die carrier and method for simultaneous construction of central anti-collision guardrails of double-width parallel viaduct
US7337738B2 (en) Gate type vertical elevated mast
CN115182631B (en) Steel structure plant capable of being quickly built and mounting process thereof
CN202689495U (en) Self-elevating chimney and water tower construction tower frame
CN112343318B (en) Anti-tilting scaffold for building
CN2663391Y (en) Insulated elevating platform
CN116816063B (en) Combined type integral climbing steel platform equipment capable of sliding in split manner and use method
CN112832579A (en) Suspension derrick type inverted lifting system and application method thereof
JP2980020B2 (en) Push-up type self-climbing device for tower structures
CN114991482A (en) Roof steel truss sliding track and dismounting method
CN210340229U (en) Hydraulic lifting assembly and hydraulic jacking equipment
CN211257766U (en) Movable operating platform with anti-overturning supporting legs
CN213470031U (en) High efficiency steel reinforcement cage welding set for building
CN211813320U (en) Movable hydraulic lifting working platform
CN113279341A (en) Bridge resetting support and bridge resetting method
CN109372242B (en) Elevator shaft construction safety lifting platform device and using method
CN220599110U (en) Movable bridge type operation platform
CN216276816U (en) Connecting assembly for hanging frame of building machine
CN216947924U (en) Bridge support that resets
CN215408483U (en) Scissor fork type petroleum drilling machine base
CN216380480U (en) Integral movable operation frame
CN219081025U (en) Self-climbing type material distribution equipment
CN219491651U (en) Floor type scaffold with protective structure
CN210658066U (en) Bridge maintenance jacking device for municipal bridge engineering

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