CN114799711A - Beam column node welding turning device - Google Patents
Beam column node welding turning device Download PDFInfo
- Publication number
- CN114799711A CN114799711A CN202210420980.5A CN202210420980A CN114799711A CN 114799711 A CN114799711 A CN 114799711A CN 202210420980 A CN202210420980 A CN 202210420980A CN 114799711 A CN114799711 A CN 114799711A
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- rolling
- clamping
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- fixed
- welding
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- 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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention discloses a beam column joint welding turnover device which comprises a fixing device, wherein the fixing device is connected with a rotatable rolling device, the rolling device is connected with a clamping device, the clamping device and the rolling device are fixed through a connecting device, and a clamping plate capable of adjusting positions relatively is arranged on the clamping device. The turning device is integrally fixed on the ground through the fixing device, and the component is clamped tightly by the clamping device and is fixed with the rolling device through the connecting device. The rolling device is controlled to rotate through the electric knob, so that the component fixed on the clamping device rotates, the welding seam is always in the flat welding position, and the welding difficulty is reduced. The clamping plate position on the clamping device can be relatively adjusted, and the clamping device can be suitable for overturning different components. The invention can make up the deficiency of the turnover welding of the components in the prior art, improves the safety performance, has simple, convenient, quick, safe and reliable operation in the welding of beam-column nodes, and is suitable for node components such as cross H-shaped steel nodes, annular multi-face brackets and the like.
Description
Technical Field
The invention relates to the technical field of steel structure building welding, in particular to a beam column joint welding turnover device.
Background
As is known, the flat welding position is preferably selected for welding when people weld, one is because the operation difficulty is minimum, the thick welding rod (wire) can be relatively selected for the flat welding, the current can be relatively large, and the production efficiency is high. In the production and manufacture of steel structures, due to the diversity of the forms of the components, when the components are assembled into a complete component, all the welding seams to be welded cannot be in the flat welding position. And because the self weight of the steel member is large, the member cannot be turned over by pure manpower, and most welding seams can be ensured to be in the flat welding position only after the member is turned over by external force. At present, most of production workshops are realized by traveling. The defect of turning over during driving is as follows:
1. the turning over is troublesome and the travelling crane is needed to be used for a plurality of times. For a simple node member with four H-steel corbels as an example, in order to enable all welding seams to be in a flat welding position, the node member can be turned over for 4 times by using a travelling crane. Resulting in reduced efficacy and wasted labor hours.
2. The components are difficult to protect and easy to be damaged. When the body is turned over, the component is inevitably collided with a jig frame or the ground, and the collision force is difficult to control due to large swing amplitude of the travelling crane, so that the component is damaged, gouged and deformed, and the quality and the appearance of the component are seriously influenced.
3. There is a certain potential safety hazard. Because the turning amplitude is not well controlled, people or objects around the turning amplitude can be touched inevitably to cause injury or injury.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a beam-column joint welding turnover device which can make up the defect of member turnover welding in the prior art, improves the safety performance, is simple, convenient, quick, safe and reliable to operate in beam-column joint welding, and is suitable for joint members such as cross H-shaped steel joints and annular multi-face brackets.
In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a beam column node welding turning device, includes fixing device, fixing device is connected with rotatable rolling device, rolling device is connected with clamping device, clamping device with it is fixed through connecting device between the rolling device, but the last splint that are provided with relative adjusting position of clamping device.
The turning device mainly comprises a fixing device, a rolling device, a connecting device and a clamping device. The turning device is integrally fixed on the ground through the fixing device, and the component is clamped tightly by the clamping device and is fixed with the rolling device through the connecting device. The rolling device is controlled to rotate through the electric knob, so that the component fixed on the clamping device rotates, the welding seam is always in the flat welding position, and the welding difficulty is reduced. The clamping plate position on the clamping device can be relatively adjusted, and the clamping device can be suitable for overturning different components.
Further, clamping device includes the fixed plate, two splint are installed one side both ends of fixed plate, one is the solid fixed splint, and one is the activity splint, set up the adjustment tank that sets up along fixed plate length direction on the fixed plate one, set up on the activity splint with adjustment tank direction vertically adjustment tank two, the fixed plate with be provided with fastening bolt between the activity splint.
Furthermore, the fixed clamping plate and the movable clamping plate adopt saddle-shaped plates arranged oppositely, and the movable clamping plate is provided with two triangular laths corresponding to the bottom of the fixed plate for fixing the fastening bolt.
Further, the opposite side of fixed plate be provided with connecting device complex connection picture peg subassembly, connection picture peg subassembly includes the picture peg, be connected with the inserted block on the picture peg, the both ends of inserted block respectively set up a engaging lug.
Furthermore, connecting device includes the connecting plate, be provided with lath, baffle and connection otic placode respectively two on the connecting plate, the baffle is fixed on the lath, form with clamping device complex inserted hole.
Further, the rolling device comprises a rolling jig frame, a rolling disc is connected to the rolling jig frame in a rolling mode, and a rolling connecting pipe is arranged between the rolling disc and the connecting device.
Further, fixing device includes the support frame, be connected with two landing slabs on the support frame, two be provided with a plurality of cardboards between the landing slab, rotate on the cardboard be provided with the roller bearing that rolling device is connected.
Furthermore, the support frame adopts H steel, a stiffening plate is arranged between the side surface of the support frame and the bottom layer and between the platform plates.
In conclusion, the invention has the following beneficial effects:
1. the operation is simple, and the positioning is accurate. The requirement can be met only by one person to operate and one electric button.
2. The turnover is rapid, and the efficiency is improved. The electric rotary turnover device has short time and effectively ensures the welding time. In the past, the turning-over of the traveling crane is completed in 10 minutes from the preparation of the traveling crane to the final turning-over, and the turning-over is completed within 10 seconds as long as a button is started by welding the position changer, so that the efficiency is improved by dozens of hundreds.
3. Reduce collision and ensure quality. The contact collision between the component and the lifting hook, the ground and the like is avoided, and the component is effectively prevented from being gouged and damaged.
4. Reduce hidden troubles and ensure safety. The collision of the turnover of the component to people or objects is reduced, and the potential safety hazard is reduced
5. The application range is wide. The connecting rod can be suitable for various node components and is suitable for different plate thicknesses and different cross-section sizes.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic three-dimensional resolution of the present invention;
FIG. 3 is a schematic plan view, broken away, of the present invention;
FIG. 4 is a three-dimensional isometric view of the clamping device of the present invention;
FIG. 5 is a schematic plan view of a clamping device of the present invention;
FIG. 6 is a schematic view of the construction of the connection plate assembly of the clamping unit of the present invention;
FIG. 7 is a schematic view of the structure of the connecting device of the present invention;
FIG. 8 is a schematic view of the rolling device according to the present invention;
fig. 9 is a schematic structural view of the fixing device of the present invention.
Description of the labeling: 1. a clamping device; 11. a fixing plate; 12. connecting the plugboard components; 13. a splint; 14. a triangular slat; 15. an adjustment groove; 16. fastening a bolt; 12. a connecting device; 121. inserting a block; 122. inserting plates; 123. connecting lugs; 21. a connecting plate; 22. laths; 23. a baffle plate; 24. connecting the ear plates; 3. a rolling device; 31. rolling the jig frame; 32. a scroll pan; 33. a rolling disc connecting pipe; 4. a fixing device; 41. a support frame; 42. a platform plate; 43. a stiffening plate; 44. clamping a plate; 45. and (4) rolling shafts.
Detailed Description
A beam-column joint welding turnover device according to an embodiment of the present invention will be further described with reference to fig. 1 to 9.
The utility model provides a beam column node welding turning device, includes fixing device 4, fixing device 4 is connected with rotatable rolling device 3, rolling device 3 is connected with clamping device 1, clamping device 1 with it is fixed through connecting device 2 between the rolling device 3, but be provided with relative adjusting position's splint 13 on the clamping device 1.
The turning device mainly comprises a fixing device 4, a rolling device 3, a connecting device 2 and a clamping device 1. The whole turning device is fixed on the ground by a fixing device 4, and the clamping device 1 clamps the components and is fixed with the rolling device 3 by a connecting device 2. The rolling device 3 is controlled to rotate through an electric knob, so that the component fixed on the clamping device 1 rotates, the welding seam is always in a flat welding position, and the welding difficulty is reduced. The position of the clamping plate 13 on the clamping device 1 can be relatively adjusted, and the clamping device can be suitable for overturning different components.
This embodiment is preferred, clamping device 1 includes fixed plate 11, two splint 13 is installed one side both ends of fixed plate 11, one is fixed splint, one is the activity splint, set up on the fixed plate 11 along the adjustment tank 15 that fixed plate length direction set up, set up on the activity splint with adjustment tank 15 direction vertically adjustment tank two, fixed plate 11 with be provided with fastening bolt 16 between the activity splint.
In this embodiment, the fixed clamping plate and the movable clamping plate are preferably saddle plates arranged oppositely, and the movable clamping plate is provided with two triangular laths 14 corresponding to the bottom of the fixed plate 11 for fixing fastening bolts.
In this embodiment, a connection board assembly 12, which is matched with the connecting device, is disposed on the other side of the fixing plate 11, the connection board assembly includes a board 122, an insertion block 121 is connected to the board, and two ends of the insertion block are respectively provided with a connection lug 123.
Preferably, the connecting device includes a connecting plate 21, two strips 22, a baffle 23 and a connecting lug 24 are arranged on the connecting plate, and the baffle 23 is fixed on the strips 22 to form an insertion opening matched with the clamping device.
Preferably, in this embodiment, the rolling device 3 includes a rolling jig frame 31, a rolling disc 32 is connected to the rolling jig frame 31 in a rolling manner, and a rolling connection pipe 33 is arranged between the rolling disc 32 and the connection device 2.
Preferably, in this embodiment, the fixing device 4 includes a supporting frame 41, two platform boards 42 are connected to the supporting frame 41, two platform boards 42 are directly provided with a plurality of clamping boards 44, and the clamping boards 44 are rotatably provided with rollers 45 connected to the rolling device.
In this embodiment, preferably, the support frame is made of H-steel, and a stiffener 43 is disposed between the side surface of the support frame 41 and the bottom deck plate 42.
The composition of the turnover device is as follows:
firstly, a set of rolling jig frame 31 and a set of connecting device 2 are prepared, and the former two are combined into an integral rolling device 3 through a bearing and a roller. The connecting device 2 is formed by assembling and welding a plurality of steel plates into a clamping groove shape, is mainly designed for connecting components, and can drive the components to rotate together when the rolling device rolls.
Considering the safety and stability of the whole device, a fixing device 4 is additionally arranged at the tail part of the roller, and the fixing device 4 mainly comprises a section of H-steel support frame 41, two platform plates 42, three roller clamping plates 44 and two H-steel stiffening plates 43. The roller 45 is firmly connected to the whole fixing device 4 by welding, and then the whole is stabilized by fixing the lower end of the H-steel support frame 41 (the lower end can be fixed by screwing expansion bolts or welding with a steel plate placed on the ground).
Next, it is necessary to assemble the components integrally with the above rolling device. It is required that both the component can be fixed and the rolling device can be coupled and matched, whereby this is achieved by means of the clamping device and the coupling device. The clamping device 1 mainly plays a role of fixing components, the connecting device 2 is welded on the rolling device 3, and the components and the rolling device 3 are assembled into a whole through the connection of the clamping device 1 and the connecting device 2. Two saddle-shaped clamping plates 13 are respectively arranged in the middle of two ends of an elongated fixing plate 11 of the clamping device 1 and are suitable for fixing components with different plate thicknesses. A saddle-shaped fixed splint is welded and fixed on the fixed plate 11, the other movable splint is not welded, a strip-shaped adjusting groove II with a certain length is arranged at the middle position of the fixed splint, and an adjusting groove I15 is also arranged at the corresponding position of the strip-shaped fixed splint, so that the specific position of the fixed member can be adjusted back and forth according to different wing plate widths of the member, and finally the saddle-shaped splint 13 and the fixed plate 11 are fixed by a fastening bolt 16. And a connecting flashboard assembly 12 is welded at the middle position of the other surface of the fixed plate. One side of the connecting device 2 is welded on the rolling device 3, the other side of the connecting device is reserved with a space for connecting the plugboard assembly 12, and the plugboard assembly 12 is inserted into the reserved space of the connecting device and is fixed by bolts. This completes the fixing of the connecting element and the structural element, and finally the combination of the structural element and the rolling device.
The working principle is as follows:
the roller is electrically rotated to drive the member to turn over, so that the welding seam to be welded is positioned at the flat welding position. The operation is simple and flexible, the rotation is 360 degrees, the follow-up is stopped, the position can be controlled in real time, and the operation is safe and reliable. During operation, firstly, the clamping plate 13 of the clamping device 1 is clamped on a component to be welded, a temporary lug plate is connected to a component bolt hole, the component is lifted by a crane hook through the temporary lug plate and conveyed to the turnover device. The components and the turnover device are fixedly connected into a whole by inserting the connecting plug board assembly 12 on the clamping device 1 into the connecting device 2 and inserting the screw at the bottom. And starting a button of the rolling jig frame 31 to enable the turnover device to drive the components to rotate together, and closing the button to stop the device when the welding line reaches the required position. After one welding point is finished and the next welding point is needed, the button is started and the operation is repeated.
The specific embodiment is as follows:
as shown in fig. 1, 2 and 3, the turnover device is composed of four parts, namely a clamping device 1, a connecting device 2, a rolling device 3 and a fixing device 4.
As shown in fig. 4 and 5, the clamping device 1 comprises a rectangular fixing plate 11 (one end is provided with a first adjusting groove 15 in the middle), two saddle-shaped splints 13 (one end is provided with a second adjusting groove in the middle), two triangular laths 14, a fastening bolt 16 and a set of connecting flashboard assemblies 12. The connecting flashboard assembly 12 and the saddle-shaped board clamping boards 13 are respectively positioned at two sides of the rectangular fixing board 11.
The thickness of the rectangular fixing plate 11 is 30mm, the width is 800mm, the length is about 1500mm, one section is slotted in the middle, the width of the notch is 40mm, and the length is 500-1000 mm.
The thickness of the saddle-shaped splint 13 is 65mm, the maximum length is about 400mm, the width of the end part is 280mm, a groove is formed in the center of the saddle-shaped splint, and the size of the groove opening is the same as that of the rectangular splint. And the positions of the two ends with the thickness of 40mm are provided with 35-degree bevels. The two clamping plates 13 are symmetrically distributed on the rectangular fixing plate 11, one of the clamping plates is fixedly welded with the rectangular fixing plate 11, the other movable clamping plate flexibly moves on the rectangular fixing plate 11 through the first notch 15, and after the position is determined, the movable clamping plate is fixed through the fastening bolt 16.
The triangular slat 14 has a thickness of 40mm, a width of 45mm, and a length of about 500-1000 mm. It is used for fixing the bolt.
As shown in fig. 6, the patch panel assembly 12 is composed of an insert block 121, a profiled insert plate 122 and two engaging lugs 123. The connecting lug 123 is welded at the two ends of the insert block 121 in the middle, and the insert plate 122 is welded at the lower surface of the insert block 121 in the middle. The insert block 121 has a thickness of 140mm, a width of 200mm and a length of 435 mm. The insert plate 122 has a thickness of 35mm, a width 470 at the upper end of the insert plate is less than mm, a width 365mm at the lower end of the insert plate is equal to 435 mm. The otic placode 40mm, the width 140mm, the length 175mm, bolt aperture hot 60.
As shown in fig. 7, the connecting device 3 is composed of a hexagonal connecting plate 21, two strips 22, two special-shaped baffles 23 and two connecting ear plates 24.
The hexagonal connecting plate 21 is 35mm in thickness and 1560mm in length. The lath 22 is 70 × 130 × 270mm in size, and is centrally symmetrically welded on the hexagonal connecting plate 21.
The specification of the special-shaped baffle 23 is 30 × 140-190 × 435mm, and the special-shaped baffle 23 is symmetrically welded on the ribbon board 22 and is flush with the upper surface of the ribbon board 22. And the lower end is in a uniform horizontal position with the upper end of the connecting lug plate 24.
The connecting lug plate 24 is 40 × 140 × 175mm in specification, and the bolt aperture braon 60 is centrally and symmetrically welded on the hexagonal connecting plate 21.
As shown in fig. 8, the rolling device 3 is composed of a rolling jig 31, a rolling disc 32, and a rolling disc connection pipe 33.
The diameter of the small rolling wheel of the rolling jig frame 31 is 80mm, and the diameter of the large rolling wheel is 240 mm.
The diameter of the rolling disc 32 is 800mm, the thickness of the circular ring plate is 20mm, the width is 100mm, and the thickness of the inner plate is 40 mm. The rolling disc is welded and connected with the connecting plate 21 of the connecting device into a whole.
The rolling disc connecting pipe 33 is 20mm thick and 400mm in diameter, and two ends of the rolling disc connecting pipe are respectively welded with the inner plate of the rolling disc 32 and the connecting device.
As shown in fig. 9, the fixing device fig. 4 is composed of an H-steel support frame 41, two platform plates 42, two stiffener plates 43, three clamping plates 44 and rollers 45.
The specification of the H-steel support frame 41 is 16 × 20 × 250 × 200, and the length is about 780 mm.
The specification of the platform plate 42 is 30 x 700mm, one platform plate 42 is welded with a wing web plate at the top end of the H steel support frame 41, and one platform plate covers the top and is respectively welded with the three clamping plates 44.
The stiffening plate 43 is 20 × 180 × 250mm in specification and is welded with the wing plate and the flat bed plate 42 of the H steel support frame 41 respectively.
The gauge of the clamping plate 44 is 20 x 180 x 200mm, and the inner diameter of the hole is 140 mm. Three clamping plates 44 are welded with the roller 45 through inner holes, and the upper end and the lower end of each clamping plate 44 are respectively welded with the platform plate 42.
The roller 45 is a round tube with a specification of 140 x 10 mm.
In the embodiment, firstly, the rolling disc and the rolling disc connecting pipe 33 in the rolling device in fig. 8 are firmly assembled and welded, and then the other end of the rolling disc connecting pipe 33 is welded with the connecting device 2 in the middle. The fixing device 4 is integrated by means of rollers 45. Next, the clamping device 1 is used to clamp the component and the clamping plate is fixed firmly by the fastening bolt 16. The component is then hoisted by the crane to the connecting device 2 position. The connecting flashboard assembly 12 at the back of the movable clamping board 13 is inserted into the space formed by the strip board 22 and the baffle 23 of the connecting device 2, and the lower end connecting lug plate is connected and fixed by bolts. So that the member can start rotating on the attached turning device. The knob is actuated to rotate the member to position the weld in the tack weld position. After welding is completed, the component is turned over again until all welds of the component are completed. The device realizes that the welding seam is in the simplest flat welding position, has flexible and simple operation, is safe and reliable, and simultaneously greatly improves the welding efficiency and quality.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a beam column node welding turning device which characterized in that: the rolling device is connected with a clamping device, the clamping device is fixed with the rolling device through a connecting device, and a clamping plate capable of adjusting the position relatively is arranged on the clamping device.
2. The beam-column joint welding turnover device of claim 1, wherein: clamping device includes the fixed plate, two splint are installed one side both ends of fixed plate, one is fixed splint, and one is movable splint, set up the adjustment tank that sets up along fixed plate length direction on the fixed plate one, movable splint on seted up with adjustment tank direction vertically adjustment tank two, the fixed plate with be provided with fastening bolt between the movable splint.
3. The beam-column joint welding turnover device of claim 2, wherein: the fixed clamping plate and the movable clamping plate are saddle-shaped plates arranged oppositely, and two triangular laths are arranged at the bottom of the movable clamping plate corresponding to the fixed plate and used for fixing fastening bolts.
4. The beam-column joint welding turnover device of claim 2, wherein: the opposite side of fixed plate be provided with connecting device complex connection picture peg subassembly, connection picture peg subassembly includes the picture peg, be connected with the inserted block on the picture peg, the both ends of inserted block respectively set up a engaging lug.
5. The beam-column joint welding turnover device of claim 1, wherein: the connecting device comprises a connecting plate, the connecting plate is provided with a batten, a baffle and two connecting lug plates, and the baffle is fixed on the batten to form an insertion opening matched with the clamping device.
6. The beam-column joint welding turnover device of claim 1, wherein: the rolling device comprises a rolling jig frame, a rolling disc is connected to the rolling jig frame in a rolling mode, and a rolling connecting pipe is arranged between the rolling disc and the connecting device.
7. The beam-column joint welding turnover device of claim 1, wherein: the fixing device comprises a support frame, wherein the support frame is connected with two platform boards, a plurality of clamping boards are arranged between the platform boards, and the clamping boards are rotatably provided with rolling shafts connected with the rolling devices.
8. The beam-column joint welding turnover device of claim 7, wherein: the support frame adopts the H steel, support frame side and bottom be provided with the stiffening plate between the landing slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210420980.5A CN114799711A (en) | 2022-04-21 | 2022-04-21 | Beam column node welding turning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210420980.5A CN114799711A (en) | 2022-04-21 | 2022-04-21 | Beam column node welding turning device |
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| Publication Number | Publication Date |
|---|---|
| CN114799711A true CN114799711A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210420980.5A Pending CN114799711A (en) | 2022-04-21 | 2022-04-21 | Beam column node welding turning device |
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| CN (1) | CN114799711A (en) |
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| CN104340663A (en) * | 2014-10-31 | 2015-02-11 | 苏州美山子制衣有限公司 | Clamping turning device |
| CN111438648A (en) * | 2020-05-06 | 2020-07-24 | 中建四局贵州投资建设有限公司 | Part clamping device |
| CN213085420U (en) * | 2020-09-27 | 2021-04-30 | 重庆莱钢建筑材料有限公司 | A turning device for steel member |
| CN213497480U (en) * | 2020-10-28 | 2021-06-22 | 住重福惠动力机械有限公司 | H steel welding tool with position changing mechanism |
| CN213889652U (en) * | 2020-09-15 | 2021-08-06 | 西京学院 | Fixing clamp for manufacturing mechanical parts |
| CN214161941U (en) * | 2020-10-21 | 2021-09-10 | 宜昌江峡船用机械有限责任公司 | Frock of H shaped steel welding upset |
| CN214185908U (en) * | 2020-12-15 | 2021-09-14 | 河南天蚕富煌钢结构有限公司 | Steel construction processing location clamping device |
| CN214322383U (en) * | 2021-01-05 | 2021-10-01 | 四川一诺钢结构工程有限公司 | Welding device for construction of constructional engineering steel structure |
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2022
- 2022-04-21 CN CN202210420980.5A patent/CN114799711A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0654479U (en) * | 1992-10-30 | 1994-07-26 | 株式会社小松製作所 | Positioner for joint welding and its jig |
| CN102162302A (en) * | 2011-04-08 | 2011-08-24 | 浙江东南网架股份有限公司 | Turnover device for processing large-sized steel member |
| CN104340663A (en) * | 2014-10-31 | 2015-02-11 | 苏州美山子制衣有限公司 | Clamping turning device |
| CN111438648A (en) * | 2020-05-06 | 2020-07-24 | 中建四局贵州投资建设有限公司 | Part clamping device |
| CN213889652U (en) * | 2020-09-15 | 2021-08-06 | 西京学院 | Fixing clamp for manufacturing mechanical parts |
| CN213085420U (en) * | 2020-09-27 | 2021-04-30 | 重庆莱钢建筑材料有限公司 | A turning device for steel member |
| CN214161941U (en) * | 2020-10-21 | 2021-09-10 | 宜昌江峡船用机械有限责任公司 | Frock of H shaped steel welding upset |
| CN213497480U (en) * | 2020-10-28 | 2021-06-22 | 住重福惠动力机械有限公司 | H steel welding tool with position changing mechanism |
| CN214185908U (en) * | 2020-12-15 | 2021-09-14 | 河南天蚕富煌钢结构有限公司 | Steel construction processing location clamping device |
| CN214322383U (en) * | 2021-01-05 | 2021-10-01 | 四川一诺钢结构工程有限公司 | Welding device for construction of constructional engineering steel structure |
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