CN211540080U - Rotatory frock of headwall side wall board assembly welding shaping - Google Patents
Rotatory frock of headwall side wall board assembly welding shaping Download PDFInfo
- Publication number
- CN211540080U CN211540080U CN201921936442.1U CN201921936442U CN211540080U CN 211540080 U CN211540080 U CN 211540080U CN 201921936442 U CN201921936442 U CN 201921936442U CN 211540080 U CN211540080 U CN 211540080U
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- hole
- positioning
- side wall
- workbench
- 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.)
- Active
Links
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a rotatory frock of headwall side wall board assembly welding shaping, comprises a workbench, anterior support component, rear portion support component and gear motor, the workstation is located between anterior support component and the rear portion support component, at the both ends side fixedly connected with transmission shaft of workstation, is located the left transmission shaft of workstation and rotates with the second bearing seat that sets up on rear portion support table surface and links together, and the transmission shaft that is located the workstation right side passes the first bearing seat that sets up on anterior support table surface and is in the same place with shaft coupling fixed connection. The utility model can accurately and stably weld three thin-wall sections, and the positioning of the three sections is completed through eight pressing devices and one end fixing device which are arranged on the workbench, thereby preventing the dislocation in the welding process and simultaneously avoiding the distortion problem of the torsion resistance caused by improper pressing of the handle in the welding process; the efficiency and the quality of aluminium alloy weld forming are improved, satisfy the needs of plant use.
Description
The technical field is as follows:
the utility model relates to a three kinds of thin wall cavity type section aluminium alloy high accuracy welding group is to device, in particular to rotatory frock of headwall side wall board assembly welding shaping belongs to welding size control and prevention and welds back deformation technical field.
Background art:
with the rapid advance of large-scale capital construction investment and industrialization process in China, the yield and consumption of the whole industry of aluminum profiles are rapidly increased, and China also becomes the biggest aluminum profile production base and consumption market in the world. After the high-speed growth of nearly 10 years, the aluminum profile industry in China steps into a new development stage and shows a plurality of new development trends, the all-aluminum-structure aluminum alloy vehicle is widely used in the railway vehicle motor train unit manufacturing industry and the urban rail transit vehicle manufacturing industry in China, and in the manufacturing process of the aluminum alloy subway vehicle, three sections of profile groups are adopted for assembly welding of the end wall side wall plates, and the requirement on the gap of the profile groups is strict. But original side wall board aluminium alloy welding back, the twist degree of section bar, unfinished, plane degree effect are unsatisfactory, can not satisfy the outer surface plane degree after the headwall welding: the requirement of less than or equal to 2mm/m, and the economic loss value caused by the oversize abandonment caused by the deformation of the welded section is higher.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: overcome prior art's not enough, provide a rotatory frock of headwall side wall board assembly welding shaping, can high efficiency with the accurate steady welding of three section bars, avoid the aluminium alloy to produce thermal deformation and the overproof problem of torsion resistance in welding process.
The utility model discloses a technical scheme who solves technical problem and take is:
a rotary tool for assembling, welding and forming end wall side wall plates comprises a workbench, a front supporting part, a rear supporting part and a speed reduction motor, wherein the front supporting part comprises four front supporting stand columns and a front supporting table top; the rear supporting part consists of four rear supporting stand columns and a rear supporting table top, the four rear supporting stand columns are respectively arranged at four corners of the bottom of the rear supporting table top, and a rear stand column supporting base plate is welded at the bottom of each rear supporting stand column; the workbench is positioned between the front supporting part and the rear supporting part, the side parts of the two ends of the workbench are respectively and fixedly connected with a transmission shaft, and the other end of the transmission shaft positioned on the left side of the workbench is rotatably connected with the first bearing seat; the other end of the transmission shaft positioned on the right side of the workbench penetrates through the second bearing seat and is fixedly connected with the coupler; the speed reducing motor is arranged on the front supporting table board, and a coupler is arranged on the left side of the speed reducing motor; the middle part of the workbench is symmetrically provided with two strip-shaped welding seam grooves, two groups of pressing parts are symmetrically arranged on two sides of the two strip-shaped welding seam grooves, each group of pressing parts is respectively composed of four pressing devices, and the middle part of the left side edge of the workbench is provided with an end fixing device.
Bolt holes are respectively formed in the peripheries of the front upright post supporting base plate and the rear upright post supporting base plate in an excavating mode.
The front supporting columns are arranged between the two adjacent front supporting columns to strengthen the support, and the rear supporting columns are arranged between the two adjacent rear supporting columns to strengthen the support.
Each compactor consists of a bottom plate, two second vertical plates, two positioning screws, a rotating screw and a screw positioning frame, wherein the bottoms of the positioning screws are vertically welded in the middle of the bottom plate, the number of the second vertical plates is two, two bolt holes are correspondingly arranged on each second vertical plate and each positioning screw respectively, the two bolt holes are distributed in parallel in an upper shape and a lower shape, and the two second vertical plates are fixedly connected with the bottoms of the positioning screws through threads; the left end of the screw positioning frame is provided with a first hole with internal threads, the right end of the screw positioning frame is provided with a second hole with internal threads, and the first hole at the left end of the screw positioning frame is rotatably inserted in the positioning screw; and a rotating screw is arranged in the second hole at the right end of the screw positioning frame.
The end part fixer consists of a base, two first vertical plates, a first threaded rod, a second threaded rod, a third threaded rod and a threaded rod connecting frame, wherein the bottom of the first threaded rod is vertically welded in the middle of the base, and the two first vertical plates are respectively tightly attached to two side surfaces of the bottom of the first threaded rod; two bolt holes are correspondingly arranged on the two first vertical plates and the first threaded rod respectively, and the two bolt holes are distributed in parallel in an upper shape and a lower shape; the two first vertical plates and the first threaded rod are fixedly connected together through bolts; the middle part of the threaded rod connecting frame is provided with a first cylindrical hole with internal threads, and the first cylindrical hole on the threaded rod connecting frame is rotationally connected to a first threaded rod; the front end of threaded rod link is provided with and has internal screw thread second cylindric hole, second cylindric hole internal rotation be connected with the second threaded rod, the rear portion of threaded rod link is provided with and has internal screw thread third cylindric hole internal rotation be connected with the third threaded rod.
The length of the first threaded rod is consistent with that of the third threaded rod, and the length of the second threaded rod is one half of that of the first threaded rod; the inner diameter of the second cylindrical hole is matched with that of the second threaded rod, and the inner diameter of the first cylindrical hole is matched with that of the first threaded rod; the inner diameter of the third cylindrical hole is matched with the third threaded rod.
A spherical first limiting handle is arranged at the top of the second threaded rod, and a positioning block is arranged at the bottom of the second threaded rod; the top end of the third threaded rod is provided with a spherical second limiting handle, and the bottom of the third threaded rod is provided with a positioning sucker.
The internal thread of the first hole is matched with the positioning screw, and the second hole is matched with the rotating screw.
The top end of the rotating screw rod is provided with a transverse hole with threads, a matched threaded rod is inserted into the transverse hole in a rotating mode, and a pressing block is arranged at the bottom of the rotating screw rod.
The utility model discloses an actively beneficial effect is:
1. the utility model can accurately and stably weld three thin-wall sections, and the positioning of the three sections is completed through eight pressing devices and one end fixing device which are arranged on the workbench, thereby preventing the dislocation in the welding process and simultaneously avoiding the distortion problem of the torsion resistance caused by improper pressing of the handle in the welding process; the efficiency and the quality of aluminium alloy weld forming are improved, satisfy the needs of plant use.
2. The utility model discloses when assembling, aim at the welding seam of section bar butt joint twice strip weld groove on the workstation, it compresses tightly the section bar simultaneously to organize the size in advance after satisfying welding dimension, it is positive first, 180 reverse side third, the welding of four welding seams of carrying on again of rotatory frock mesa after two welding seam weldings are accomplished, the welding position of twice welding seam has been avoided to collet and tip fixer, both ends bearing frame is coaxial when the frock is rotatory, the frock mesa is nimble when rotating, and reasonable design, the operation is simple, and the popularization is easy.
Description of the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a top view of the working table of the present invention;
fig. 3 is a schematic structural view of the compactor of the present invention;
fig. 4 is a schematic structural view of the end portion fixing device of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings, in which:
referring to fig. 1-4, a rotary tool for assembling, welding and forming end wall side wall plates comprises a workbench 1, a front supporting part 2, a rear supporting part 3 and a speed reduction motor 4, wherein the front supporting part 2 consists of four front supporting upright columns 2-2 and a front supporting table top 2-1, the four front supporting upright columns 2-2 are respectively arranged at four corners of the bottom of the front supporting table top 2-1, and a front upright column supporting base plate 2-3 is respectively welded at the bottom of each front supporting upright column 2-1; the rear supporting part 3 consists of four rear supporting upright posts 3-2 and a rear supporting table top 3-1, the four rear supporting upright posts 3-2 are respectively arranged at four corners of the bottom of the rear supporting table top 2-1, and a rear upright post supporting base plate 3-3 is respectively welded at the bottom of each rear supporting upright post 3-2; the workbench 1 is positioned between the front supporting part 2 and the rear supporting part 3, the side parts of the two ends of the workbench 1 are respectively and fixedly connected with a transmission shaft 6, and the other end of the transmission shaft 6 positioned on the left side of the workbench 1 is rotatably connected with a first bearing seat 8; the other end of the transmission shaft 6 positioned on the right side of the workbench 1 penetrates through the second bearing seat 7 and is fixedly connected with the coupler 5 (the transmission shaft 6 positioned on the right side of the workbench 1 is rotatably connected with the second bearing seat 7); the speed reducing motor 4 is arranged on the front supporting table top 2-1, and the left side of the speed reducing motor 4 is provided with a coupling 5; two strip-shaped welding seam grooves, namely a first welding seam 11 and a second welding seam 12 in the drawing 2, are symmetrically arranged in the middle of the workbench 1, two groups of pressing parts are symmetrically arranged on two sides of the two strip-shaped welding seam grooves, each group of pressing parts respectively consists of four pressing devices 9, and an end part fixer 10 is arranged in the middle of the left side edge of the workbench; bolt holes are respectively dug at the peripheries of the front upright post supporting base plate 2-3 and the rear upright post supporting base plate 3-3; the four front upright post supporting base plates 2-3 are respectively and fixedly connected with the workbench through bolts, and the four rear upright post supporting base plates 3-3 are respectively and fixedly connected with the workbench through bolts; a front upright post reinforcing support 2-4 is arranged between two adjacent front support upright posts 2-2, and a rear upright post reinforcing support 3-4 is arranged between two adjacent rear support upright posts 3-2; each compactor 9 consists of a bottom plate 9-1, second vertical plates 9-2, positioning screws 9-3, rotating screws 9-5 and screw positioning frames 9-4, the bottoms of the positioning screws 9-3 are vertically welded in the middle of the bottom plate 9-1, the number of the second vertical plates 9-2 is two, two bolt holes are respectively and correspondingly arranged on each second vertical plate 9-2 and each positioning screw 9-3, the two bolt holes are distributed in an upper and lower parallel manner, the bottoms of the two second vertical plates 9-2 and the positioning screws 9-3 sequentially penetrate through corresponding bolt holes through bolts, and then nuts are screwed and fixedly connected together; a first hole 9-4-1 with internal threads is formed in the left end of the screw positioning frame 9-4, a second hole 9-4-2 with internal threads is formed in the right end of the screw positioning frame 9-4, and the first hole 9-4-1 located in the left end of the screw positioning frame 9-4 is rotatably inserted into the positioning screw 9-3; a rotary screw 9-5 is arranged in the second hole 9-4-2 at the right end of the screw positioning frame 9-4; the end part fixer 10 consists of a base 10-1, a first vertical plate 10-2, a first threaded rod 10-3, a second threaded rod 10-5, a third threaded rod 10-6 and a threaded rod connecting frame 10-4, wherein the bottom of the first threaded rod 10-3 is vertically welded in the middle of the base 10-1, and the two first vertical plates 10-2 are respectively tightly attached to two side surfaces of the bottom of the first threaded rod 10-3; two bolt holes are correspondingly arranged on the two first vertical plates 10-2 and the first threaded rod 10-3 respectively, and the two bolt holes are distributed in parallel in an upper shape and a lower shape; the two first vertical plates 10-2 are fixedly connected with the first threaded rod 10-3 through bolts; a first cylindrical hole 10-8 with internal threads is formed in the middle of the threaded rod connecting frame 10-4, and the first cylindrical hole 10-8 on the threaded rod connecting frame 10-4 is rotatably connected to a first threaded rod 10-3; a second cylindrical hole 10-9 with internal threads is formed in the front end of the threaded rod connecting frame 10-4, a second threaded rod 10-5 is rotatably connected in the second cylindrical hole 10-9, a third cylindrical hole 10-7 with internal threads is formed in the rear portion of the threaded rod connecting frame 10-4, and a third threaded rod 10-6 is rotatably connected in the third cylindrical hole 10-7; the length of the first threaded rod 10-3 is consistent with that of the third threaded rod 10-6, and the length of the second threaded rod 10-5 is half of that of the first threaded rod 10-3; the inner diameter of the second cylindrical hole 10-9 is matched with the second threaded rod 10-5, and the inner diameter of the first cylindrical hole 10-8 is matched with the first threaded rod 10-3; the inner diameter of the third cylindrical hole 10-7 is matched with that of the third threaded rod 10-6; a spherical first limiting handle 10-5-1 is arranged at the top of the second threaded rod 10-5, and the diameter of the first limiting handle 10-5-1 is larger than that of the second threaded rod 10-5; a positioning block 10-5-2 is arranged at the bottom of the second threaded rod 10-5; a spherical second limiting handle 10-6-1 is arranged at the top end of the third threaded rod 10-6, the diameter of the second limiting handle 10-6-1 is larger than that of the third threaded rod 10-6, and a positioning sucker 10-6-2 is arranged at the bottom of the third threaded rod 10-6; the internal thread of the first hole 9-4-1 is matched with the positioning screw 9-3, and the second hole 9-4-2 is matched with the rotating screw 9-5; a transverse hole with threads is dug at the top end of the rotary screw rod 9-5, a matched threaded rod 9-5-1 is inserted in the transverse hole in a rotating mode, and a pressing block 9-5-2 is arranged at the bottom of the rotary screw rod 9-5.
The working principle is as follows:
1. three thin-wall aluminum profiles are pre-assembled through a base 10-1 arranged at the bottom of an end part fixer 10 and a bottom plate 9-1 arranged at the bottom of a compactor 9, namely the outer edges of the profiles are respectively aligned with the inner side of the bottom plate 9-1 at the bottom of the compactor 9 or the inner side of the base 10-1 at the bottom of the end part fixer 10, after pre-assembly is completed, welding seams at butt joints among the three profiles are respectively aligned with two strip welding seam grooves, and then positioning of the profiles is completed through the end part fixer 10 and the compactor 9 (as shown in figure 2).
2. After the section bar assembly positioning is finished, after the welding of the first welding seam and the second welding seam on the front side is finished, the table surface of the tool is rotated by 180 degrees, and then the welding of the third welding seam and the fourth welding seam on the back side is carried out.
3. The size is detected after the welding of side wall board composition is accomplished, if need adjust when repairing on adjusting the frock and repair to qualified size.
The utility model discloses during the welding, the welded position of twice welding seam has been avoided to collet and tip fixer, and the both ends bearing frame is coaxial when the workstation is rotatory, and the workstation rotates in a flexible way, has improved aluminium alloy weld forming's efficiency and quality, satisfies the needs of plant use.
Claims (9)
1. The utility model provides a rotatory frock of headwall side wall board assembly welding shaping, includes workstation (1), anterior support component (2), rear portion support component (3) and gear motor (4), its characterized in that: the front supporting part (2) consists of four front supporting columns (2-2) and a front supporting table top (2-1), the four front supporting columns (2-2) are respectively arranged at four corners of the bottom of the front supporting table top (2-1), and a front column supporting base plate (2-3) is respectively welded at the bottom of each front supporting column (2-2); the rear supporting part (3) consists of four rear supporting columns (3-2) and a rear supporting table top (3-1), the four rear supporting columns (3-2) are respectively arranged at four corners of the bottom of the rear supporting table top (3-1), and a rear supporting base plate (3-3) is welded at the bottom of each rear supporting column (3-2); the workbench (1) is positioned between the front supporting part (2) and the rear supporting part (3), the side parts of the two ends of the workbench (1) are respectively and fixedly connected with a transmission shaft (6), and the other end of the transmission shaft (6) positioned on the left side of the workbench (1) is rotatably connected with a first bearing seat (8); the other end of the transmission shaft (6) positioned on the right side of the workbench (1) penetrates through the second bearing seat (7) and is fixedly connected with the coupler (5); the speed reducing motor (4) is arranged on the front supporting table top (2-1), and a coupler (5) is arranged on the left side of the speed reducing motor (4); the middle part of the workbench (1) is symmetrically provided with two strip-shaped welding seam grooves, two groups of pressing parts are symmetrically arranged on two sides of the two strip-shaped welding seam grooves, each group of pressing parts is respectively composed of four pressing devices (9), and the middle part of the left side edge of the workbench is provided with an end fixing device (10).
2. The end wall side wall panel assembly welding forming rotary tool of claim 1, characterized in that: bolt holes are respectively dug around the front upright post supporting base plate (2-3) and the rear upright post supporting base plate (3-3).
3. The end wall side wall panel assembly welding forming rotary tool of claim 1, characterized in that: front upright post reinforcing supports (2-4) are arranged between the two adjacent front supporting upright posts (2-2), and rear upright post reinforcing supports (3-4) are arranged between the two adjacent rear supporting upright posts (3-2).
4. The end wall side wall panel assembly welding forming rotary tool of claim 1, characterized in that: each compactor (9) consists of a bottom plate (9-1), two second vertical plates (9-2), two positioning screws (9-3), two rotating screws (9-5) and a screw positioning frame (9-4), the bottoms of the positioning screws (9-3) are vertically welded in the middle of the bottom plate (9-1), the number of the second vertical plates (9-2) is two, two bolt holes are correspondingly formed in each second vertical plate (9-2) and the positioning screws (9-3) respectively and are distributed in an upper and lower parallel mode, and the bottoms of the two second vertical plates (9-2) and the positioning screws (9-3) are fixedly connected together through bolts; a first hole (9-4-1) with an internal thread is formed in the left end of the screw positioning frame (9-4), a second hole (9-4-2) with an internal thread is formed in the right end of the screw positioning frame (9-4), and the first hole (9-4-1) in the left end of the screw positioning frame (9-4) is rotatably inserted into the positioning screw (9-3); and a rotating screw (9-5) is arranged in the second hole (9-4-2) at the right end of the screw positioning frame (9-4).
5. The end wall side wall panel assembly welding forming rotary tool of claim 1, characterized in that: the end part fixer (10) consists of a base (10-1), a first vertical plate (10-2), a first threaded rod (10-3), a second threaded rod (10-5), a third threaded rod (10-6) and a threaded rod connecting frame (10-4), wherein the bottom of the first threaded rod (10-3) is vertically welded in the middle of the base (10-1), and the number of the first vertical plates (10-2) is two and is respectively clung to two side surfaces of the bottom of the first threaded rod (10-3); two bolt holes are correspondingly arranged on the two first vertical plates (10-2) and the first threaded rod (10-3) respectively, and the two bolt holes are distributed in an upper shape and a lower shape in parallel; the two first vertical plates (10-2) are fixedly connected with the first threaded rod (10-3) through bolts; a first cylindrical hole (10-8) with internal threads is formed in the middle of the threaded rod connecting frame (10-4), and the first cylindrical hole (10-8) in the threaded rod connecting frame (10-4) is rotatably connected to the first threaded rod (10-3); the front end of the threaded rod connecting frame (10-4) is provided with a second cylindrical hole (10-9) with an internal thread, the second cylindrical hole (10-9) is connected with a second threaded rod (10-5) in a rotating mode, a third cylindrical hole (10-7) with an internal thread is arranged at the rear portion of the threaded rod connecting frame (10-4), and a third threaded rod (10-6) is connected in the third cylindrical hole (10-7) in a rotating mode.
6. The end wall side wall panel assembly welding forming rotary tool of claim 4, characterized in that: the length of the first threaded rod (10-3) is consistent with that of the third threaded rod (10-6), and the length of the second threaded rod (10-5) is half of that of the first threaded rod (10-3); the inner diameter of the second cylindrical hole (10-9) is matched with the second threaded rod (10-5), and the inner diameter of the first cylindrical hole (10-8) is matched with the first threaded rod (10-3); the inner diameter of the third cylindrical hole (10-7) is matched with that of the third threaded rod (10-6).
7. The end wall side wall panel assembly welding forming rotary tool of claim 5, characterized in that: a spherical first limiting handle (10-5-1) is arranged at the top of the second threaded rod (10-5), and a positioning block (10-5-2) is arranged at the bottom of the second threaded rod (10-5); the top end of the third threaded rod (10-6) is provided with a spherical second limiting handle (10-6-1), and the bottom of the third threaded rod (10-6) is provided with a positioning sucker (10-6-2).
8. The end wall side wall panel assembly welding forming rotary tool of claim 3, characterized in that: the internal thread of the first hole (9-4-1) is matched with the positioning screw (9-3), and the second hole (9-4-2) is matched with the rotating screw (9-5).
9. The end wall side wall panel assembly welding forming rotary tool of claim 3, characterized in that: the top end of the rotating screw rod (9-5) is provided with a transverse hole with threads in an excavating mode, a matched threaded rod (9-5-1) is inserted into the transverse hole in a rotating mode, and a pressing block (9-5-2) is arranged at the bottom of the rotating screw rod (9-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936442.1U CN211540080U (en) | 2019-11-11 | 2019-11-11 | Rotatory frock of headwall side wall board assembly welding shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936442.1U CN211540080U (en) | 2019-11-11 | 2019-11-11 | Rotatory frock of headwall side wall board assembly welding shaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211540080U true CN211540080U (en) | 2020-09-22 |
Family
ID=72500659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921936442.1U Active CN211540080U (en) | 2019-11-11 | 2019-11-11 | Rotatory frock of headwall side wall board assembly welding shaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211540080U (en) |
-
2019
- 2019-11-11 CN CN201921936442.1U patent/CN211540080U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101323070B (en) | Complete interchanging quick fix tower section K lever welding fixture | |
| CN101837399A (en) | Bending equipment of heat exchanger and method for manufacturing bending heat exchanger | |
| CN211540080U (en) | Rotatory frock of headwall side wall board assembly welding shaping | |
| CN110549063A (en) | positioning and clamping device for welding end plate of railway vehicle | |
| CN211192669U (en) | Rotatory frock of wallboard assembly welding shaping on end wall | |
| CN219005045U (en) | Steel plate welding device | |
| CN202174387U (en) | Welding clamping overturn mechanism of foldable arm type vehicle-mounted crane connecting rod body | |
| CN201644591U (en) | Bending equipment of heat exchanger | |
| CN215748830U (en) | Special mechanical component fixing tool for mechanical electronic engineering | |
| CN201815828U (en) | Butt-welding tool set for engine room platform of wind power equipment | |
| CN209830134U (en) | Special welding machine for butt joint of double-module steel bars | |
| CN202174388U (en) | Welding and turnover mechanism | |
| CN101508172B (en) | Four sharp corner in-phase welding device | |
| CN107825196A (en) | A kind of cold-extruded gear shaft holes finishing positioning fixture | |
| CN212095421U (en) | Special clamp for roller machining | |
| CN201217136Y (en) | Complete interchanging quick fix tower section K lever welding fixture | |
| CN113941821A (en) | Axial fan dryer welding set | |
| CN215091650U (en) | Welding tool for forklift gantry | |
| CN207205645U (en) | A kind of compact flexible welding clamp | |
| CN111872306A (en) | A roll forging machine concatenation mould structure for aluminum alloy processing | |
| CN209394238U (en) | A kind of ingot beam welding positioning tool and welder | |
| CN207205651U (en) | A kind of large-scale steel welding tooling | |
| CN206029131U (en) | Magnetic medium box welding jig | |
| CN207615928U (en) | A kind of joint close equipment suitable for large diameter steel pipe | |
| CN212145139U (en) | Rotatory frock of side top camber beam assembly welding shaping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |