CN111843308A - Detachable limiting and hoisting device for butt welding of H-shaped steel members and construction method thereof - Google Patents
Detachable limiting and hoisting device for butt welding of H-shaped steel members and construction method thereof Download PDFInfo
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- CN111843308A CN111843308A CN202010752157.5A CN202010752157A CN111843308A CN 111843308 A CN111843308 A CN 111843308A CN 202010752157 A CN202010752157 A CN 202010752157A CN 111843308 A CN111843308 A CN 111843308A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 108
- 239000010959 steel Substances 0.000 title claims abstract description 108
- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a detachable limiting and hoisting device for butt welding of H-shaped steel members, which comprises two upper flange limiting plates which are oppositely arranged, wherein the two upper flange limiting plates are combined and molded through a pull rod which transversely penetrates through the upper flange limiting plates; the outer side of the upper flange limiting plate is vertically provided with an L-shaped flange width limiting plate, and vertical plates of the L-shaped flange width limiting plates on the outer sides of the two upper flange limiting plates are parallel to each other and are limited and fixed in the width direction of the steel beam. The construction method of the device mainly comprises the steps of device installation, hoisting preparation, steel beam butt joint and the like. The detachable limiting and hoisting device for H-shaped steel member butt welding has the characteristics of less workload, detachability and reusability, good limiting and fixing effects and strong universality.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a detachable limiting and hoisting device for butt welding of H-shaped steel members and a construction method thereof.
Background
When the traditional H-shaped steel component is butt-welded, the common method is as follows: and welding the auxiliary limiting plate and the lug plate at the end part of the steel beam by a factory worker, and cutting off the limiting plate and the lug plate after the component is installed. The method not only increases the labor load of member processing operators, but also prolongs the processing period of the steel members, reduces the installation efficiency, increases the loss of steel products, and has higher processing cost and installation cost.
Disclosure of Invention
The invention aims to provide a detachable limiting and hoisting device for butt welding of H-shaped steel members and a construction method thereof, and the detachable limiting and hoisting device has the characteristics of less workload, detachability and reusability, good limiting and fixing effects and strong universality.
The invention can be realized by the following technical scheme:
the invention discloses a detachable limiting and hoisting device for butt welding of H-shaped steel members, which comprises two upper flange limiting plates which are oppositely arranged, wherein the two upper flange limiting plates are combined and molded through a pull rod which transversely penetrates through the upper flange limiting plates; the outer side of the upper flange limiting plate is vertically provided with an L-shaped flange width limiting plate, and vertical plates of the L-shaped flange width limiting plates on the outer sides of the two upper flange limiting plates are parallel to each other and are limited and fixed in the width direction of the steel beam.
Furthermore, the upper flange limiting plate and the U-shaped seat are provided with right-angled triangular reinforcing ribs.
Furthermore, a flange fastening screw is movably arranged at the bottom of the U-shaped seat.
Further, the two ends of the pull rod are provided with pull rod nuts for adjusting the width of the pull rod.
Furthermore, the number of the pull rods is two, and the two pull rods are arranged in parallel.
Further, the H steel member includes two girder steels that set up relatively and the bracket of welding between two girder steels.
The use method of the detachable limiting and hoisting device for H-shaped steel member butt welding comprises the following steps:
s1, device installation: the device is arranged on the upper flange of the steel beam by utilizing the U-shaped seat clamping groove, the flange fastening bolt is screwed, the device is fastened on the upper flange of the steel beam, and the device is aligned and tensioned by utilizing the pull rod and the matched pull rod nut;
s2, preparing for hoisting: buckling hoisting buckles on pull rods at two ends of the steel beam, wherein the hoisting position is positioned above the gravity center of the steel beam [ III-1 ];
s3, butting steel beams: aligning the steel beam upper flange with the bracket upper flange elevation by using the limiting plate of the steel beam upper flange; and aligning the width direction of the steel beam with the width direction of the bracket by using the steel beam flange width limiting plate, and then welding.
Further, after the steel beam butt joint operation is completed, the method also comprises the following steps: disassembling the pull rod nut, placing the disassembled pull rod at a specified position, and repeating the steps for standby; disassembling the flange fastening bolt; placing the disassembled limiting device at a specified position; repeating the steps for standby.
The invention relates to a detachable limiting and hoisting device for butt welding of H-shaped steel members and a construction method thereof, which have the following beneficial effects:
firstly, the workload is small, the lifting lug plate and the limiting lug plate are integrated into a whole by the device, the device is convenient to disassemble and assemble, the blanking and welding amount of parts in a factory is reduced, and the high-altitude fire amount of an installation site is also reduced;
secondly, the device can be detached for repeated use, and can be reused to reduce the loss of steel, and after the device is put into use, the device can ensure that the processing and installation efficiency of steel members is high, the processing and installation period is short, the cost is low, the product quality is good, and the installation quality is good;
third, spacing fixed effectual, the device is spacing with the spacing collection as an organic whole of last flange face spacing and last flange width direction, better than the limiting displacement of former limiting plate.
Fourthly, the device is strong in universality, and can be adjusted according to the length of the pull rod, so that the device is applied to hoisting of H-shaped steel beams with various widths.
Drawings
FIG. 1 is a schematic perspective view of a detachable limiting and hoisting device for H-steel member butt welding according to the present invention;
FIG. 2 is a front view of a detachable limiting and hoisting device for butt welding of H-shaped steel members;
FIG. 3 is an A-A view of a detachable limiting and hoisting device for H-steel member butt welding of the present invention;
FIG. 4 is a B-B view of a detachable limiting and hoisting device for H-steel member butt welding of the invention;
FIG. 5 is a D-D view of a detachable limiting and hoisting device for H-steel member butt welding of the present invention;
FIG. 6 is an E-E view of a detachable limiting and hoisting device for H-steel member butt welding of the present invention;
the reference numbers in the drawings include: i-1: a pull rod; i-2: a draw rod nut; II-1: a flange fastening screw; II-2: a flange width limiting plate; II-3: a stiffening rib; II-4: an upper flange limit plate; II-5: a U-shaped seat; III-1: a steel beam; IV-1: and (4) a bracket.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the following detailed description of the present invention is provided with reference to the accompanying drawings.
Example 1
As shown in figures 1-6, the invention discloses a detachable limiting and hoisting device for butt welding of H-shaped steel components, which comprises two upper flange limiting plates II-4 which are oppositely arranged, wherein the two upper flange limiting plates II-4 are combined and formed through a transversely penetrating pull rod I-1, a U-shaped seat II-5 is horizontally arranged at the bottom of each upper flange limiting plate II-4, and openings of U-shaped parts II-5 at the bottoms of the two upper flange limiting plates II-4 are opposite to form a clamping space of a steel beam III-1 of the H-shaped steel component; and L-shaped flange width limiting plates II-2 are vertically arranged on the outer sides of the upper flange limiting plates II-4, and vertical plates of the L-shaped flange width limiting plates II-2 on the outer sides of the two upper flange limiting plates II-4 are parallelly limited and fixed relative to the steel beam III-1 in the width direction.
As shown in fig. 1-6, the upper flange limiting plate II-4 and the U-shaped seat II-5 are provided with a right-angled triangular reinforcing rib II-3; the bottom of the U-shaped seat II-5 is movably provided with a flange fastening screw II-1; two end parts of the pull rod I-1 are provided with pull rod nuts I-2 used for adjusting the width of the pull rod I-1; the number of the pull rods I-1 is two, and the two pull rods I-1 are arranged in parallel; the H-shaped steel member comprises two steel beams III-1 which are oppositely arranged and a bracket IV-1 which is welded between the two steel beams III-1.
In the invention, the device of the invention consists of four functional parts, which are respectively: girder steel III-1 goes up flange face limit structure, girder steel III-1 width face limit structure, clamping structure, pull rod I-1 locking structure, wherein locking pull rod I-1 can increase and decrease according to the actual size of H shaped steel girder steel III-1 flange width, and its concrete constitution and effect are:
the clamping structure is composed of a U-shaped seat II-5 and a flange fastening screw II-1, the U-shaped seat II-5 plays a role of providing a pretightening force and a support force, the pretightening force is provided by a pretightening bolt on the U-shaped seat II-5, the support force is provided by a welding force between a limiting plate and the U-shaped seat II-5, the device is fixed at two ends of an H-shaped steel beam III-1 to be hoisted through the pretightening force provided by the flange fastening screw II-1, the limiting plate can be accurately fixed at a specified position efficiently, and the limiting accuracy is guaranteed, so that the device is always attached to the flange surface of the steel beam III-1. After the pre-tightening bolts of the clamping structure are fastened, the I-1 locking structure of the pull rod of the device is assembled.
The pull rod I-1 locking structure consists of two pull rods I-1, a thick thread is formed at the end part of each pull rod I-1, U-shaped seats II-5 on two sides of the flange of the steel beam III-1 are tensioned through the tension force of the pull rod I-1 and a pull rod nut I-2, so that the device is locked in the width direction of the flange of the steel beam III-1, and the pull rod I-1 can be used as a hoisting rod; after the locking part is locked, the H-shaped steel beam III-1 can be hoisted.
The limiting structure of the upper flange surface of the steel beam III-1 is formed by welding a finish-machined upper flange limiting plate II-4 and a U-shaped seat II-5, and in the pre-tightening and locking processes, the limiting surface is detected to be level with the upper flange surface of the hoisted steel beam III-1.
The steel beam III-1 width surface limiting structure is formed by welding a finished flange width limiting plate II-2 and a limiting plate, and in the pre-tightening and locking processes, the limiting surface is detected to be level to the width side surface of the hoisted steel beam III-1.
Example 2
A use method of a detachable limiting and hoisting device for butt welding of H-shaped steel members comprises the following steps:
s1, device installation: the device is arranged on the upper flange of a steel beam III-1 by utilizing a U-shaped seat II-5 clamping groove, a flange fastening bolt is screwed, the device is fastened on the upper flange of the steel beam III-1, and the device is aligned and tensioned by utilizing a pull rod I-1 and a matched pull rod nut I-2;
s2, preparing for hoisting: buckling hoisting buckles on the pull rods I-1 at two ends of the steel beam III-1, wherein the hoisting position is positioned above the gravity center of the steel beam III-1 [ III-1 ];
s3, butting steel beams III-1: aligning the upper flange of the steel beam III-1 with the upper flange of the bracket IV-1 by using a limiting plate of the upper flange of the steel beam III-1; and aligning the width direction of the steel beam III-1 with the width direction of the bracket IV-1 by using the steel beam III-1 flange width limiting plate II-2, and then welding.
Example 3
A use method of a detachable limiting and hoisting device for butt welding of H-shaped steel members comprises the following steps:
s1, device installation: the device is arranged on the upper flange of a steel beam III-1 by utilizing a U-shaped seat II-5 clamping groove, a flange fastening bolt is screwed, the device is fastened on the upper flange of the steel beam III-1, and the device is aligned and tensioned by utilizing a pull rod I-1 and a matched pull rod nut I-2;
s2, preparing for hoisting: buckling hoisting buckles on the pull rods I-1 at two ends of the steel beam III-1, wherein the hoisting position is positioned above the gravity center of the steel beam III-1 [ III-1 ];
s3, butting steel beams III-1: aligning the upper flange of the steel beam III-1 with the upper flange of the bracket IV-1 by using a limiting plate of the upper flange of the steel beam III-1; aligning the width direction of the steel beam III-1 with the width direction of the bracket IV-1 by using the steel beam III-1 flange width limiting plate II-2, and then welding;
s4, disassembling and recovering: disassembling the pull rod nut I-2, placing the disassembled pull rod I-1 at a specified position, and repeating the steps for standby; disassembling the flange fastening bolt; placing the disassembled limiting device at a specified position; repeating the steps for standby.
Compared with the prior art, the device and the construction method thereof have the following obvious advantages:
1. the workshop processing welding amount of the limiting plate and the lug plate is reduced, and the processing period is shortened;
2. the cutting amount of the limiting plate and the lifting lug plate after the steel beam is installed is reduced, and the installation efficiency is improved;
3. the device can be repeatedly used, and the loss of steel is reduced.
4. The workload of the installation workers for adjusting the positions of the steel beams is reduced, and the installation efficiency is improved;
5. reduce artifical measuring error, improve the exactness of butt joint position.
6. The welding limiting plate is replaced, so that the limiting plate does not need to be welded on the H-shaped steel beam, and the welding amount of member processing is reduced.
7. This spacing with spacing and the spacing collection of last flange width direction of last flange face as an organic whole, it is better than the limiting displacement of former limiting plate.
In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.
Claims (8)
1. The utility model provides a removable spacing and hoist device for H steel member butt welding which characterized in that: the steel beam clamping device comprises two upper flange limiting plates which are oppositely arranged, the two upper flange limiting plates are combined and molded through a pull rod which transversely penetrates through the upper flange limiting plates, a U-shaped seat is horizontally arranged at the bottom of each upper flange limiting plate, and openings of U-shaped parts of the U-shaped seats at the bottoms of the two upper flange limiting plates are opposite to form a clamping space of a steel beam of an H-shaped steel component; the outer side of the upper flange limiting plate is vertically provided with an L-shaped flange width limiting plate, and vertical plates of the L-shaped flange width limiting plates on the outer sides of the two upper flange limiting plates are parallel to each other and fixed in a limiting manner in the width direction of the steel beam.
2. A detachable limiting and hoisting device for H-steel member butt welding according to claim 1, characterized in that: and the upper flange limiting plate and the U-shaped seat are provided with right-angled triangular reinforcing ribs.
3. A detachable limiting and hoisting device for H-steel member butt welding according to claim 2, characterized in that: and a flange fastening screw is movably arranged at the bottom of the U-shaped seat.
4. A detachable limiting and hoisting device for H-steel member butt welding according to claim 3, characterized in that: and pull rod nuts used for adjusting the width of the pull rod are arranged at the two end parts of the pull rod.
5. A detachable limiting and hoisting device for H-steel member butt welding according to claim 4, characterized in that: the number of the pull rods is two, and the two pull rods are arranged in parallel.
6. A detachable limiting and hoisting device for H-steel member butt welding according to claim 5, characterized in that: the H steel member comprises two steel beams which are oppositely arranged and a bracket which is welded between the two steel beams.
7. A use method of the detachable limiting and hoisting device for H-steel component butt welding according to any one of claims 1 to 6 is characterized by comprising the following steps:
s1, device installation: the device is arranged on the upper flange of the steel beam by utilizing the U-shaped seat clamping groove, the flange fastening bolt is screwed, the device is fastened on the upper flange of the steel beam, and the device is aligned and tensioned by utilizing the pull rod and the matched pull rod nut;
s2, preparing for hoisting: buckling hoisting buckles on pull rods at two ends of the steel beam, wherein the hoisting position is positioned above the gravity center of the steel beam [ III-1 ];
s3, butting steel beams: aligning the steel beam upper flange with the bracket upper flange elevation by using the limiting plate of the steel beam upper flange; aligning the width direction of the steel beam with the width direction of the bracket by using the steel beam flange width limiting plate, and then welding;
8. the construction method of the detachable limiting and hoisting device for the butt welding of the H-shaped steel members as claimed in claim 7, wherein: after the steel beam butt joint operation is completed, the method further comprises the following steps: disassembling the pull rod nut, placing the disassembled pull rod at a specified position, and repeating the steps for standby; disassembling the flange fastening bolt; placing the disassembled limiting device at a specified position; repeating the steps for standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752157.5A CN111843308A (en) | 2020-07-30 | 2020-07-30 | Detachable limiting and hoisting device for butt welding of H-shaped steel members and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752157.5A CN111843308A (en) | 2020-07-30 | 2020-07-30 | Detachable limiting and hoisting device for butt welding of H-shaped steel members and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111843308A true CN111843308A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010752157.5A Pending CN111843308A (en) | 2020-07-30 | 2020-07-30 | Detachable limiting and hoisting device for butt welding of H-shaped steel members and construction method thereof |
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| CN (1) | CN111843308A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411877A (en) * | 2020-11-04 | 2021-02-26 | 上海市建筑科学研究院有限公司 | Steel-concrete combined structure shear connector, construction method and shear combined structure |
| CN116511751A (en) * | 2023-05-10 | 2023-08-01 | 中信重工机械股份有限公司 | Process for controlling welding deformation of large thick plate welding part |
-
2020
- 2020-07-30 CN CN202010752157.5A patent/CN111843308A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411877A (en) * | 2020-11-04 | 2021-02-26 | 上海市建筑科学研究院有限公司 | Steel-concrete combined structure shear connector, construction method and shear combined structure |
| CN116511751A (en) * | 2023-05-10 | 2023-08-01 | 中信重工机械股份有限公司 | Process for controlling welding deformation of large thick plate welding part |
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