CN112404827B - Welding gun clamping device - Google Patents
Welding gun clamping device Download PDFInfo
- Publication number
- CN112404827B CN112404827B CN201910783005.9A CN201910783005A CN112404827B CN 112404827 B CN112404827 B CN 112404827B CN 201910783005 A CN201910783005 A CN 201910783005A CN 112404827 B CN112404827 B CN 112404827B
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- welding gun
- clamping block
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- clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 179
- 238000003754 machining Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Classifications
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding gun clamping device, and relates to the field of machining. The welding gun fixing block is provided with a welding gun accommodating hole, and the side wall of the welding gun accommodating hole is provided with a notch; the welding gun clamping block is movably positioned on the welding gun fixing block; the switching assembly is arranged on the welding gun fixing block and used for switchably limiting the welding gun clamping block at a first position or a second position. When the welding gun clamping block is located at the first position, the welding gun clamping block is located outside the welding gun accommodating hole, so that the welding gun accommodating hole has enough space for placing a welding gun. When the welding gun clamping block is located at the second position, at least part of the welding gun clamping block extends into the welding gun accommodating hole from the notch, so that the welding gun clamping block clamps the welding gun, and the welding gun is quickly fixed.
Description
Technical Field
The invention relates to the field of machining, in particular to a welding gun clamping device.
Background
With the construction of a large number of long-distance oil and gas pipelines, the all-position automatic welding technology of the pipelines becomes the mainstream technology of the test tubes of the pipelines at present. In the related technology, the welding gun clamping mode adopted by the automatic pipeline welding equipment is still the clamping mode of the continuous common welding gun, namely two clamping plates are oppositely arranged, the welding gun is arranged between the clamping plates, and then the clamping plates are clamped through bolts to realize the clamping and the positioning of the welding gun.
The welding gun is clamped through the clamping plate and the bolt, the bolt is required to be manually assembled and disassembled by using a tool every time, time is consumed during assembly and disassembly, and welding efficiency is seriously influenced.
Disclosure of Invention
The embodiment of the invention provides a welding gun clamping device which can finish quick disassembly and assembly of a welding gun under the condition of clamping the welding gun. The technical scheme is as follows:
in a first aspect, a welding gun clamping device is provided and comprises a welding gun fixing block, a welding gun clamping block and a switching assembly. The welding gun fixing block is provided with a welding gun accommodating hole, and the side wall of the welding gun accommodating hole is provided with a notch; the welding gun fixing block is provided with a first limiting structure, and the welding gun clamping block is movably positioned on the welding gun fixing block; the switching assembly is arranged on the welding gun fixing block and used for switchably limiting the welding gun clamping block at a first position or a second position; the switching assembly comprises an elastic piece and an operating rod, one end of the operating rod is connected with one side of the welding gun clamping block, one end of the elastic piece is abutted against the other side of the welding gun clamping block, the other end of the elastic piece is connected with the welding gun fixing block, and the elastic piece is configured to abut against the welding gun clamping block on a first limiting structure, so that the welding gun clamping block is limited at the second position;
when the welding gun clamping block is located at the first position, the welding gun clamping block is located outside the welding gun accommodating hole; when the welding gun clamping block is located at the second position, at least part of the welding gun clamping block extends into the welding gun accommodating hole from the notch.
Optionally, the welding gun fixing block is provided with an accommodating cavity, the elastic piece, the operating rod and the spring clamping block are all located in the accommodating cavity, and the first limiting structure is a side wall of the accommodating cavity.
Optionally, the action bars is the L type, the action bars includes connecting rod and gag lever post, the one end and the tight piece of welder clamp of connecting rod are connected, the gag lever post pin joint is in the other end of connecting rod, still have second limit structure on the welder fixed block, second limit structure with the gag lever post is mutually supported, makes the tight piece of welder clamp can be injectd in first position.
Optionally, a limiting seat is arranged on the welding gun fixing block, and the second limiting structure is a limiting groove in the limiting seat.
Optionally, the limiting seat comprises a body and a fixing plate, the limiting groove is located on the body, one side of the body is connected with the fixing plate, and the fixing plate is fixed on the welding gun fixing block
Optionally, the switching assembly further comprises an end cover, a first end of the end cover is connected with the elastic piece, and an end face of the first end is in threaded connection with an inner wall of the accommodating cavity, wherein the end face of the welding gun fixing block is close to the end cover.
Optionally, the movement locus of the welding gun clamping block is perpendicular to and does not intersect with the axial direction of the welding gun accommodating hole.
Optionally, the limiting seat comprises a body and a fixing plate, the limiting groove is located on the body, one side of the body is fixed on the fixing plate, and the fixing plate is fixed on the welding gun fixing block.
Optionally, the welding gun clamping block has an arc-shaped clamping surface thereon, and the clamping surface is located in the notch when the welding gun clamping block is located at the second position.
Optionally, the clamping surface has a non-slip feature thereon.
Optionally, a rotating shaft sleeve is arranged on the side wall of the welding gun fixing block, and an axis of the rotating shaft sleeve is perpendicular to the extending direction of the welding gun accommodating hole.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the welding gun clamping device comprises a welding gun fixing block, a welding gun clamping block and a switching assembly. And the welding gun fixing block is provided with a welding gun accommodating hole for accommodating a welding gun. A notch is formed in the side wall of the welding gun accommodating hole; the welding gun clamping block is movably positioned on the welding gun fixing block; the switching assembly is arranged on the welding gun fixing block and used for switchably limiting the welding gun clamping block at a first position or a second position. When the welding gun clamping block is located at the first position, the welding gun clamping block is located outside the welding gun accommodating hole, so that the welding gun accommodating hole has enough space for placing a welding gun. When the welding gun clamping block is located at the second position, at least part of the welding gun clamping block extends into the welding gun accommodating hole from the notch, so that the welding gun clamping block clamps the welding gun, and the welding gun is quickly fixed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a torch holding device in an unclamped state in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a torch clamping device in a clamped state in accordance with an embodiment of the invention;
FIG. 3 is a perspective view of a torch clamping assembly in an unclamped state in accordance with an embodiment of the present invention;
fig. 4 is a schematic perspective view of a welding gun clamping device according to an embodiment of the present invention in a clamping state.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view of a torch holding device in a released state in accordance with an embodiment of the present invention. As shown in fig. 1, the torch holding device includes: the welding gun fixing block 100, the welding gun clamping block 200 and the switching assembly 300. The welding gun fixing block 100 has a welding gun accommodating hole 110, and a notch 110a is formed on a sidewall of the welding gun accommodating hole 110.
Fig. 2 is a cross-sectional view of a torch holding device in a clamped state in accordance with an embodiment of the present invention. As shown in fig. 1 and 2, the welding gun clamping block 200 is movably disposed on the welding gun fixing block 100, and the switching assembly 300 is mounted on the welding gun fixing block 100 and used for switchably limiting the welding gun clamping block 200 to the first position a or the second position B; when the torch clamping block 200 is in the first position a, the torch clamping block 200 is positioned outside the torch receiving hole 110; when the torch clamping block 200 is in the second position B, at least a portion of the torch clamping block 200 extends from the notch 110a into the torch receiving hole 110.
Referring to fig. 1, when the torch clamping block 200 is located at the first position a, the torch clamping block 200 is located outside the torch receiving hole 110 such that the torch receiving hole 110 has a sufficient space to receive a torch. Referring to fig. 2, when the torch clamping block 200 is located at the second position B, at least a portion of the torch clamping block 200 extends from the notch 110a into the torch receiving hole 110, so that the torch clamping block 200 clamps the torch, thereby achieving rapid fixation of the torch.
Optionally, the switching assembly 300 includes an elastic member 310 and an operating rod 320, the elastic member 310 and the operating rod 320 are both located on the welding gun fixing block 100, one end of the operating rod 320 is connected to one side of the welding gun clamping block 200, one end of the elastic member 310 abuts against the other side of the welding gun clamping block 200, the other end of the elastic member 310 is connected to the welding gun fixing block 100, and the elastic member 310 is configured to abut the welding gun clamping block 200 against the first limiting structure, so that the welding gun clamping block 200 is limited to the second position B.
In some embodiments, the resilient member 310 may be a spring, with which the clamping force of the torch clamping block 200 may be adjusted by a compressed length due to the hooke's law satisfied between the spring force and the compression distance.
Optionally, the welding gun fixing block 100 has a receiving cavity 120, the elastic member 310, the operating rod 320 and the welding gun clamping block 200 are all located in the receiving cavity 120, and the first limiting structure is a sidewall 120a of the receiving cavity 120. The side wall 120a is a side wall that is not connected to the elastic member 310 on the movement locus of the torch clamping block 200. The elastic member 310, the operating rod 320 and the welding gun clamping block 200 are all located in the accommodating cavity 120, and the side wall 120a of the accommodating cavity 120 can play a role in guiding and positioning the movement of the welding gun clamping block 200.
In some embodiments, referring to fig. 2, the receiving cavity 120 includes a first receiving cavity of a cylinder type receiving the elastic member 310 and the torch clamping block 200, and a second receiving cavity of a cylinder type receiving the operation rod 320. The movement track of the welding gun clamping block 200 is the same as the extending direction of the first accommodating cavity, the first accommodating cavity is communicated with the notch 110a, the elastic piece 310 is connected with the side wall of one end of the first accommodating cavity, which is far away from the notch 110a, and the welding gun clamping block 200 is positioned at one end of the first accommodating cavity, which is close to the notch 110a, so that the welding gun clamping block 200 can extend into the welding gun accommodating hole from the notch 110a. In practical use, the elastic member 310 may press the torch clamping block 200 against the side wall 120a of the first receiving cavity on the side of the trajectory of the torch clamping block 200 not connected to the elastic member 310, such that the torch clamping block 200 is confined to the second position B.
Optionally, the movement locus of the welding gun clamping block 200 is perpendicular to and does not intersect with the axial direction of the welding gun receiving hole 110, so that the movement of the welding gun clamping block 200 is not influenced by gravity, the movement resistance is reduced, and the control is easier.
In some embodiments, as shown in fig. 2, the torch fixing block 100 has a rectangular parallelepiped structure, and the torch fixing block 100 has two opposite upper and lower end surfaces and four side surfaces connecting the upper and lower end surfaces. The four sides include opposing first and second sides 101 and 102. The welding gun accommodating hole 110 penetrates through the upper end face and the lower end face of the welding gun fixing block 100, and the accommodating cavity 120 penetrates through the first side face 101 and the second side face 102 of the welding gun fixing block 100.
Further, the torch clamping block 200 has a clamping surface 210 thereon, and when the torch clamping block 200 is located at the second position B, the clamping surface 210 is located in the notch 110a. Since the switching assembly 300 continuously applies the elastic force to the welding gun clamping block 200, the clamping surface 210 can clamp the welding gun, preventing the welding gun from loosening.
Optionally, the clamping surface 210 has anti-slip features thereon, such as anti-slip grooves or anti-slip pads, to increase the surface roughness of the clamping surface, further increasing the stability of the clamping of the welding gun.
Alternatively, the clamping surface is a cambered surface, the cambered surface facing the torch receiving hole 110. The cambered surface can increase the contact area of the clamping surface and the welding gun, so that the clamping of the welding gun clamping block 200 on the welding gun is more stable.
Optionally, the operating rod 320 is L-shaped, the operating rod 320 includes a connecting rod 321 and a limiting rod 322, one end of the connecting rod 321 is connected to the welding gun clamping block 200, and the limiting rod 322 is pivotally connected to the other end of the connecting rod 321. The welding gun fixing block 100 is provided with a second limiting structure, and the second limiting structure is matched with the limiting rod 322, so that the welding gun clamping block can be limited at the first position A.
In some embodiments, the connecting rod 321 has a cylindrical protrusion at one end pivotally connected to the limiting rod 322, and the end of the limiting rod 322 pivotally connected to the connecting rod 321 has an opening matching with the cylindrical protrusion, and the opening is sleeved into the cylindrical protrusion and fixed, so that the limiting rod 322 is pivotally connected to the connecting rod 321.
FIG. 3 is a front view of a torch holding device in a released state in accordance with an embodiment of the present invention. In some embodiments, referring to fig. 1 and 3, the connecting rod 321 is located in the receiving cavity 120, and a portion of the connecting rod 321 can extend from the second side 102 of the torch fixing block 100 to be pivotally connected to the limiting rod 322. A second stop formation is located on the second side 102 that cooperates with the stop bar 322 to enable the torch clamping block to be defined in the first position a.
Optionally, the welding gun fixing block 100 is provided with a limiting seat 140, and the second limiting structure is a limiting groove 130 on the limiting seat 140. When the limit rod 322 is pressed into the limit groove 130, the torch clamping block 200 is in the first position a and the spring is in a compressed state. At this time, the welding gun clamping block 200 is entirely located in the accommodating cavity 120, so that the welding gun accommodating hole 110 has enough space for accommodating the welding gun.
Fig. 4 is a front view of a torch clamping device in a clamped state in accordance with an embodiment of the present invention. Referring to fig. 2 and 4, the limiting rod 322 is pivoted at the other end of the connecting rod 321, so that one end of the limiting rod 322, which is far away from the connecting rod 321, can rotate around the connecting end of the limiting rod 322 and the connecting rod 321, thereby facilitating the separation of the limiting rod 322 from the second limiting structure. When the limiting rod 322 is disengaged from the limiting groove 130, the spring is extended, and the welding gun clamping block 200 is ejected by the spring and moves to the second position B. At this time, a portion of the torch clamping block 200 is positioned in the torch receiving hole 110 such that the clamping surface 210 of the torch clamping block 200 is in contact with the torch, thereby fixing the torch.
Optionally, the limiting seat 140 includes a body 141 and a fixing plate 142, the limiting groove 130 is located on the body 141, one side of the body 141 is connected to the fixing plate 142, and the fixing plate 142 is detachably fixed on the welding gun fixing block 100. The limiting seat 140 is detachably connected with the welding gun fixing block 100, so that the limiting seat 140 can be replaced conveniently.
In some embodiments, the retaining socket 140 is disposed on the second side 102 of the torch fixing block 100, and the retaining groove 130 of the retaining socket 140 is engaged with the retaining bar 322, such that the torch clamping block can be defined in the first position a.
Optionally, the stopper base 140 is connected to the torch fixing block 100 by a countersunk screw to prevent interference with the movement of the stopper rod 322.
Optionally, the side of the fixing plate 142 has a chamfer 143 to prevent the edge of the fixing plate 142 from being too sharp and causing injury to the user when moving the stopper rod 322.
Optionally, the end of the stop rod 322 remote from the torch clamping block 200 has a handle 323 to facilitate rotation of the stop rod 322.
Optionally, the switching assembly 300 further includes an end cap 330, a first end of the end cap 330 is connected to the elastic member 310, and a side wall of the end cap 330 is threadedly connected to an inner wall of the receiving cavity 120. When the welding gun clamping block is used, the position of the end cover 330 can be adjusted by rotating the end cover 330, so that the distance H that the end face of the first end of the end cover 330 extends into the accommodating cavity 120 is changed, the compression length of the spring is changed, and the elastic force of the spring, namely the clamping force of the welding gun clamping block 200 on a welding gun is changed.
The side wall of the end cap 330 is in threaded connection with the inner wall of the accommodating cavity 120, so that the circumferential distance is converted into the axial distance, and the axial distance can be finely adjusted more conveniently.
Optionally, the end surface of the end cap 330 remote from the spring has a recess 331. The recess 331 may be a straight recess or a cross recess to facilitate adjustment of the position of the end cap 330 by rotating the end cap 330 with a screwdriver.
Further, the welding gun fixing block 100 has a rotation shaft sleeve 150 on a side wall thereof, and an axis of the rotation shaft sleeve 150 is perpendicular to an extending direction of the welding gun receiving hole 110. The rotating sleeve 150 includes a sleeve 151 and a central bore 152. The central hole is used for fixing the welding gun clamping device on the main shaft of the support, so that the welding gun clamping device can drive the welding gun to rotate around the main shaft.
The operation of the welding gun holding device according to the embodiment of the present invention will be described in detail with reference to fig. 1, 2, 3 and 4.
The welding gun placing process: referring to fig. 1 and 3, the limit rod 322 is caught in the limit groove 130 such that the torch clamping block 200 is in the first position a and the spring is in a compressed state. At this time, the torch clamping block 200 is entirely located in the receiving cavity 120, so that the torch receiving hole 110 has a sufficient space for placing the torch.
And (3) clamping a welding gun: referring to fig. 2 and 4, one end of the limiting rod 322 far from the connecting rod 321 rotates around the connecting end of the limiting rod 322 and the connecting rod 321, when the limiting rod 322 is separated from the limiting groove 130, the spring is extended, and the welding gun clamping block 200 is ejected by the spring and moves to the second position B. At this time, a portion of the torch clamping block 200 is positioned in the torch receiving hole 110 such that the clamping surface 210 is in contact with the torch, thereby rapidly fixing the torch.
Loosening the welding gun: the limiting rod 322 is pushed along the movement track of the welding gun clamping block 200, so that the welding gun clamping block 200 moves from the second position B to the first position A, the welding gun clamping block 200 is completely positioned in the accommodating cavity 120, the clamping surface 210 is separated from the welding gun, and the welding gun accommodating hole 110 has enough space for taking out the welding gun. Or one end of the limiting rod 322, which is far away from the connecting rod 321, rotates around the connecting end of the limiting rod 322 and the connecting rod 321, so that the limiting rod 322 is pressed into the limiting groove 130, as shown in fig. 1, to facilitate the next use.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be understood that various modifications, equivalents, improvements and the like can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A welding gun clamping device, characterized in that it comprises:
the welding gun fixing block (100) is provided with a welding gun accommodating hole (110), the side wall of the welding gun accommodating hole (110) is provided with a notch (110 a), and the welding gun fixing block (100) is provided with a first limiting structure;
the welding gun clamping block (200) is movably positioned on the welding gun fixing block (100); and
a switching assembly (300) mounted on the welding gun fixing block (100) for switchably defining the welding gun clamping block (200) at a first position (A) or a second position (B); the switching assembly (300) comprises an elastic piece (310), an operating rod (320) and an end cover (330), one end of the operating rod (320) is connected with one side of the welding gun clamping block (200), one end of the elastic piece (310) is abutted against the other side of the welding gun clamping block (200), the other end of the elastic piece (310) is connected with the welding gun fixing block (100), and the elastic piece (310) is configured to abut against the welding gun clamping block (200) on a first limiting structure, so that the welding gun clamping block (200) is limited to the second position (B);
when the torch clamping block (200) is in the first position (a), the torch clamping block (200) is located outside the torch receiving hole (110); when the welding gun clamping block (200) is located at the second position (B), at least a portion of the welding gun clamping block (200) extends from the notch (110 a) into the welding gun receiving hole (110);
the welding gun fixing block (100) is provided with an accommodating cavity (120), the elastic piece (310), the operating rod (320) and the welding gun clamping block (200) are located in the accommodating cavity (120), the first limiting structure is a side wall (120 a) of the accommodating cavity (120), the first end of the end cover (330) is connected with the elastic piece (310), the side wall of the end cover (330) is in threaded connection with the inner wall of the accommodating cavity (120), and the end face of the first end of the end cover (330) stretches into the accommodating cavity (120) and the distance between the end face and the accommodating cavity is adjustable.
2. The welding gun clamping device according to claim 1, wherein the operating rod (320) is L-shaped, the operating rod (320) comprises a connecting rod (321) and a limiting rod (322), one end of the connecting rod (321) is connected with the welding gun clamping block (200), the limiting rod (322) is pivoted at the other end of the connecting rod (321), and the welding gun fixing block (100) is further provided with a second limiting structure which is matched with the limiting rod (322) so that the welding gun clamping block (200) can be limited at the first position (A).
3. The welding gun clamping device according to claim 2, wherein a limiting seat (140) is provided on the welding gun fixing block (100), and the second limiting structure is a limiting groove (130) provided on the limiting seat (140).
4. The torch clamping device according to claim 3, wherein the limiting seat (140) comprises a body (141) and a fixing plate (142), the limiting groove (130) is located on the body (141), one side of the body (141) is connected with the fixing plate (142), and the fixing plate (142) is fixed on the torch fixing block (100).
5. The torch clamping device according to claim 1, wherein a trajectory of the torch clamping block (200) is perpendicular to and does not intersect an axial direction of the torch receiving hole (110).
6. The torch clamping device according to claim 1, wherein the torch clamping block (200) has an arcuate clamping surface (210) thereon, the clamping surface (210) being located in the notch (110 a) when the torch clamping block (200) is in the second position (B).
7. The torch holding device according to claim 6, wherein the clamping surface (210) has a slip-resistant structure thereon.
8. The torch holding device according to claim 1, wherein a rotation bushing (150) is provided on a sidewall of the torch fixing block (100), and an axis of the rotation bushing (150) is perpendicular to an extending direction of the torch receiving hole (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783005.9A CN112404827B (en) | 2019-08-23 | 2019-08-23 | Welding gun clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783005.9A CN112404827B (en) | 2019-08-23 | 2019-08-23 | Welding gun clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112404827A CN112404827A (en) | 2021-02-26 |
| CN112404827B true CN112404827B (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783005.9A Active CN112404827B (en) | 2019-08-23 | 2019-08-23 | Welding gun clamping device |
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| CN (1) | CN112404827B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1639924A1 (en) * | 1989-04-21 | 1991-04-07 | Институт Электросварки Им.Е.О.Патона | Clamping device |
| DE19717005A1 (en) * | 1997-04-23 | 1998-10-29 | Kennametal Inc | Chuck for rotary tools |
| CN201143629Y (en) * | 2007-12-29 | 2008-11-05 | 比亚迪股份有限公司 | Clamping apparatus |
| CN203356871U (en) * | 2013-06-08 | 2013-12-25 | 平顶山市联立机电有限公司 | Upper welding electrode replacing mechanism of point welding machine |
| CN204262621U (en) * | 2014-12-02 | 2015-04-15 | 河南省矿山起重机有限公司 | A kind of stationary fixture |
| CN105983902A (en) * | 2015-02-06 | 2016-10-05 | 天润曲轴股份有限公司 | Crankshaft journal positioning and clamping device |
| CN206898588U (en) * | 2017-05-05 | 2018-01-19 | 武汉华俄激光工程有限公司 | The axle gantry laser-beam welding machine of laser vision weld joint tracking three |
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2019
- 2019-08-23 CN CN201910783005.9A patent/CN112404827B/en active Active
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