CN105729017B - A kind of standard knot automatic welding production line clamping device - Google Patents
A kind of standard knot automatic welding production line clamping device Download PDFInfo
- Publication number
- CN105729017B CN105729017B CN201610171670.9A CN201610171670A CN105729017B CN 105729017 B CN105729017 B CN 105729017B CN 201610171670 A CN201610171670 A CN 201610171670A CN 105729017 B CN105729017 B CN 105729017B
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- cylinder
- plate
- cross bar
- production line
- automatic welding
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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 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- 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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention proposes a kind of standard knot automatic welding production line clamping device, including two symmetrically arranged newel posts, end plate is fixed with the inner side end of newel post, end plate is connected by connecting rod, newel post connects the skidway hole at two ends with being provided with the middle of end plate, a center bearing bracket that can be moved along skidway hole is both provided with each skidway hole, the mobile drive deivce for promoting center bearing bracket movement is additionally provided with newel post, lateral retractor device is provided with both sides on center bearing bracket, lateral jig plate is connected with lateral retractor device, lower press plate is provided with above and below center bearing bracket, the two ends of upper lower press plate are rotatably connected in two end plates, the device of rotation driving for promoting upper lower press plate to rotate is provided with end plate, cross bar fixture and diagonal web member fixture are correspondingly arranged on the lateral lateral surface of jig plate and the medial surface of upper lower press plate, four main swing arm fixtures are additionally provided with end plate.Automaticity height of the present invention, efficiency high, each mechanism are simple, stability is good.
Description
Technical field
The present invention relates to standard knot welding production line, more particularly to a kind of standard knot automatic welding production line clamping device.
Background technology
Tower crane is also known as tower crane, is the widely used derrick crane tool of building trade.Reference picture 1, during standard knot A is tower crane
Building block, standard knot A mainly is welded to each other and is linked together by main swing arm A1, cross bar A2 and diagonal web member A3, mesh
Preceding is usually to use relatively simple frock clamp fixed standard section part, then by artificial manual welding.Using artificial manual welding
The influence of human factor is received, its welding efficiency is low, labor intensity is big, welding quality unstable, it is difficult to ensure each weld seam
Welding quality, the quality of standard knot is difficult to reliably be ensured.In order to solve problem above, it is necessary to design a kind of standard knot
Automatic welding production line, and the core in standard knot automatic welding production line is clamping device, clamping device automaticity,
Degree of stability, comfort level of upload and download in the course of the work etc. all can produce weight to production efficiency and the quality of product
Big influence.
The content of the invention
The present invention proposes a kind of standard knot automatic welding production line clamping device, solves existing standard section clamping device
Automaticity is low, efficiency is low and the low defect of stability.
The technical proposal of the invention is realized in this way：
A kind of standard knot automatic welding production line clamping device, including two symmetrically arranged newel posts, two newel posts it is interior
End plate is respectively and fixedly provided with side end face, two end plates are connected by connecting rod, and newel post connects the water at two ends with being provided with the middle of end plate
Put down in horizontal skidway hole, each skidway hole and be both provided with also setting up in a center bearing bracket that can be moved along skidway hole, newel post
Have and be provided with lateral retractor device on the both sides on the mobile drive deivce for promoting center bearing bracket movement, center bearing bracket, laterally stretch
It is connected with compression apparatus above and below lateral jig plate, center bearing bracket and is provided with lower press plate, upper lower press plate
Two ends are rotatably connected in two end plates, and the device of rotation driving for promoting upper lower press plate to rotate, lateral fixture are provided with end plate
It is correspondingly arranged on cross bar fixture and diagonal web member fixture, end plate and also sets up on the lateral surface of plate and the medial surface of upper lower press plate
There are four main swing arm fixtures.
Further, in addition to frame and the rotating driving device that is arranged in frame, the newel post is rotatably connected on frame
On, rotating driving device drives the newel post to rotate.
Further, chute and slide rail are respectively arranged with the skidway hole and the center bearing bracket, pass through chute and slide rail
Cooperation realize the movement of the center bearing bracket.
Further, the mobile drive deivce is cylinder, and the piston rod of cylinder is connected with the center bearing bracket.
Further, the two ends of the upper lower press plate, which are connected with bearing holder (housing, cover), bearing holder (housing, cover), is cased with bearing, and bearing inner sleeve, which has, to be turned
Axle, rotating shaft is fixed on end plate, and upper lower press plate turning along the end plate is realized by the cooperation of bearing holder (housing, cover), bearing and rotating shaft
It is dynamic.
Further, the device of rotation driving is cylinder, and cylinder one end is hinged on the end plate, the piston rod of cylinder with
The bearing holder (housing, cover) is hinged, and is rotated by the telescopic drive bearing holder (housing, cover) of the piston rod of cylinder.
Further, the cross bar fixture includes cross bar cylinder, supporting rod, clamping pole socket and cross bar firm banking, cross bar gas
The piston rod of cylinder and the head end of supporting rod are hinged, and what supporting rod was rotated is hinged on clamping pole socket, is set on the tail end of supporting rod
There is the clamping part for clamping cross bar, clamping part is used to coordinate cross bar firm banking that cross bar is fixed on into cross bar firm banking.
Further, limited location connecting rod, the folder between spacing connecting rod and the supporting rod are set on the head end of the supporting rod
Angle is acute angle, and spacing connecting rod on the connection end of the supporting rod with setting rotation slot, and the piston rod of cross bar cylinder is hinged on rotation
On groove, the hinged place of supporting rod and the clamping pole socket is located at the end of spacing connecting rod, and the clamping part is that two straight-bars vertically connect
Connect and form, be provided with the end of two straight-bars on fixed lobe, the tail end of the supporting rod and be provided with clamping part groove, the clamping
Portion is hinged in clamping part groove.
Further, the diagonal web member fixture includes diagonal web member cylinder, horizontal push rod and two grip slippers, and grip slipper includes a left side
Half grip slipper and right half grip slipper, the upper end of left half grip slipper are provided with half of left fixing groove, and the upper end of right half grip slipper is set
There is half of right fixing groove, half of left fixing groove and half of right fixing groove composition stitched together is corresponding with diagonal web member shape consolidates
Determine groove, the upper end of half of right fixing groove is provided with the fixed strip towards half of left fixing groove direction protrusion, left half grip slipper and right half
The bottom of grip slipper is hinged, and horizontal push rod two ends are connected with right half grip slipper respectively, and the piston rod of diagonal web member cylinder is with laterally pushing away
The middle part connection of bar, is rotated by the flexible hinged place for making right half grip slipper along bottom of the piston rod of diagonal web member cylinder, reached
Clamping and the opening of left half grip slipper and right half grip slipper.
Further, the main swing arm fixture includes main swing arm cylinder, chuck and mounting groove, and chuck is connected to main swing arm cylinder
Piston rod on, chuck is located in mounting groove, and main swing arm cylinder, which is used to releasing chuck, clamps main swing arm in mounting groove.
Beneficial effects of the present invention：During present invention work, outside blowing manipulator is put into the rod member of side, cross bar folder
Tool, diagonal web member fixture and main swing arm fixture clamp rod member, the rod member that then welding manipulator welding is put into, and then internal mechanism turns
Dynamic 90 degree, then blowing manipulator continues to be put into the rod member of opposite side, and welding manipulator welds the rod member being put into, then gone out again
Material manipulator catches the standard component being welded, and cross bar fixture, diagonal web member fixture and main swing arm fixture unclamp the standard component being welded,
Last lateral jig plate is rotated, and center bearing bracket is moved rearwards by, and concedes room, discharging manipulator hauls out the standard component being welded, whole
The individual course of work is full-automatic, and automaticity is high, efficiency high, and each mechanism structure is simple, stability is good.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing standard section；
Fig. 2 is structural representation of the invention；
Fig. 3 is the sectional view in Fig. 2 along B-B direction；
Fig. 4 is the structural representation of cross bar fixture；
Fig. 5 is the connection status figure of supporting rod and clamping part in Fig. 4；
Fig. 6 is the structural representation of supporting rod；
Fig. 7 is the structural representation of diagonal web member fixture.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Reference picture 1-7, a kind of standard knot automatic welding production line clamping device, including two symmetrically arranged newel posts 1, two
End plate 11 is respectively and fixedly provided with the inner side end of individual newel post 1, two end plates 11 are connected by connecting rod 12, in the middle of newel post 1 and end plate 12
It is provided with the skidway hole 2 of the horizontal cross at connection two ends, one is both provided with each skidway hole 2 to be moved along skidway hole
The both sides on the mobile drive deivce 13 for promoting center bearing bracket 3 to move, center bearing bracket 3 are additionally provided with center bearing bracket 3, newel post 1
On be provided with lateral retractor device 31, lateral retractor device 31 and be connected with lateral jig plate 32, the top of center bearing bracket 3 and under
Side is provided with lower press plate 4, and the two ends of upper lower press plate 4 are rotatably connected in two end plates 11, are provided with and push away on end plate 11
On the device of rotation driving 14 that dynamic upper lower press plate is rotated, the lateral surface of lateral jig plate 32 and the medial surface of upper lower press plate 4
It is correspondingly arranged on cross bar fixture 5 and diagonal web member fixture 6, end plate 11 and is additionally provided with four main swing arm fixtures 7.
It is preferred that, in addition to frame 8 and the rotating driving device 81 that is arranged in frame, the newel post 1 are rotatably connected on
In frame 8, rotating driving device 81 drives the newel post 1 to rotate.
It is preferred that, chute and slide rail are respectively arranged with the skidway hole 2 and the center bearing bracket 3, passes through chute and cunning
The movement of the center bearing bracket 3 is realized in the cooperation of rail.
It is preferred that, the mobile drive deivce 13 is cylinder, and the piston rod of cylinder is connected with the center bearing bracket 3.
It is preferred that, the two ends of the upper lower press plate 4, which are connected with bearing holder (housing, cover) 41, bearing holder (housing, cover) 41, is cased with bearing 42, bearing
Rotating shaft 43 is cased with 42, rotating shaft 43 is fixed on end plate 1, above and below the cooperation realization of bearing holder (housing, cover) 41, bearing 42 and rotating shaft 43
Rotation of the jig plate 4 along the end plate 1.
It is preferred that, the device of rotation driving 14 is cylinder, and cylinder one end is hinged on the end plate, the piston rod of cylinder
It is hinged, is rotated by the telescopic drive bearing holder (housing, cover) 41 of the piston rod of cylinder with the bearing holder (housing, cover) 41.
It is preferred that, the cross bar fixture 5 includes cross bar cylinder 51, supporting rod 52, clamping pole socket 53 and cross bar firm banking
54, the head end of the piston rod and supporting rod 52 of cross bar cylinder 51 is hinged, and what supporting rod 52 was rotated is hinged on clamping pole socket 53, folder
The clamping part 55 for clamping cross bar is provided with the tail end for holding bar 52, clamping part 55 is used to coordinate cross bar firm banking 54 by horizontal stroke
Bar is fixed on cross bar firm banking 54.
It is preferred that, limited location connecting rod 521, spacing connecting rod 521 and the supporting rod are set on the head end of the supporting rod 52
Angle between 52 is acute angle, and spacing connecting rod 521 on the connection end of the supporting rod with being provided with rotation slot 522, cross bar cylinder
51 piston rod is hinged on rotation slot 522, and the hinged place of supporting rod 52 and the clamping pole socket 53 is located at spacing connecting rod 521
End, the clamping part 55 is that two straight-bars 551 are vertically formed by connecting, and fixed lobe 552 is provided with the end of two straight-bars 551,
Clamping part groove 523 is provided with the tail end of the supporting rod 52, the clamping part 55 is hinged in clamping part groove 523.
It is preferred that, the diagonal web member fixture 6 includes diagonal web member cylinder 61, horizontal push rod 62 and two grip slippers, grip slipper
Including left half grip slipper 64 and right half grip slipper 65, the upper end of left half grip slipper 64 is provided with half of left fixing groove 641, and right half presss from both sides
The upper end for holding seat 65 is provided with half of right fixing groove 651, and half of left fixing groove 641 and half of right fixing groove 651 are stitched together
The composition fixing groove corresponding with diagonal web member shape, the upper end of half of right fixing groove 651 is provided with towards half of left fixing groove direction
The bottom of the fixed strip 652 of protrusion, left half grip slipper 641 and right half grip slipper 651 is hinged, the horizontal two ends of push rod 62 respectively with the right side
Half grip slipper 65 is connected, and the piston rod of diagonal web member cylinder 61 is connected with the middle part of horizontal push rod 62, passes through diagonal web member cylinder 61
The flexible of piston rod rotates hinged place of right half grip slipper 65 along bottom, reaches left half grip slipper 64 and right half grip slipper 65
Clamping and opening.
It is preferred that, the main swing arm fixture 7 includes main swing arm cylinder 71, chuck and mounting groove 72, and chuck is connected to main rotation
On the piston rod of bar cylinder 71, chuck is located in mounting groove 72, and main swing arm cylinder 71 is clamped in mounting groove 72 for releasing chuck
Main swing arm.
During present invention work, outside blowing manipulator is put into the rod member of side, cross bar fixture 5, diagonal web member fixture 6 and master
Swing arm fixture 7 clamps rod member, the rod member that then welding manipulator welding is put into, and then internal mechanism rotates 90 degree, then blowing
Manipulator continues to be put into the rod member of opposite side, and welding manipulator welds the rod member being put into again, and the manipulator that then discharges catches weldering
The standard component connected, cross bar fixture 5, diagonal web member fixture 6 and main swing arm fixture 7 unclamp the standard component being welded, last lateral folder
Tool plate 32 is rotated, and center bearing bracket 3 is moved rearwards by, and concedes room, discharging manipulator hauls out the standard component being welded, whole worked
Journey is full-automatic, and automaticity is high, efficiency high, and each mechanism structure is simple, stability is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of standard knot automatic welding production line clamping device, it is characterised in that：Including two symmetrically arranged newel posts, two
End plate is respectively and fixedly provided with the inner side end of newel post, two end plates are connected by connecting rod, newel post is connected with being provided with the middle of end plate
A center bearing bracket that can be moved along skidway hole, newel post are both provided with the skidway hole of the horizontal cross at two ends, each skidway hole
On be additionally provided with the mobile drive deivce for promoting center bearing bracket movement, lateral flexible dress is provided with the both sides on center bearing bracket
Put, be connected with lateral retractor device above and below lateral jig plate, center bearing bracket and be provided with lower press plate, up and down
The two ends of jig plate are rotatably connected in two end plates, and the device of rotation driving for promoting upper lower press plate to rotate is provided with end plate,
Cross bar fixture and diagonal web member fixture, end plate are correspondingly arranged on the lateral lateral surface of jig plate and the medial surface of upper lower press plate
On be additionally provided with four main swing arm fixtures.
2. standard knot automatic welding production line clamping device as claimed in claim 1, it is characterised in that：Also include frame and set
The rotating driving device in frame is put, the newel post is rotatably connected in frame, rotating driving device drives the newel post to turn
It is dynamic.
3. standard knot automatic welding production line clamping device as claimed in claim 1 or 2, it is characterised in that：The skidway hole
Chute and slide rail are respectively arranged with the center bearing bracket, the shifting of the center bearing bracket is realized by the cooperation of chute and slide rail
It is dynamic.
4. standard knot automatic welding production line clamping device as claimed in claim 3, it is characterised in that：The mobile driving dress
Cylinder is set to, the piston rod of cylinder is connected with the center bearing bracket.
5. standard knot automatic welding production line clamping device as claimed in claim 1 or 2, it is characterised in that：It is described to press from both sides up and down
The two ends of tool plate, which are connected with bearing holder (housing, cover), bearing holder (housing, cover), is cased with bearing, and bearing inner sleeve has rotating shaft, and rotating shaft is fixed on end plate, is passed through
Upper rotation of the lower press plate along the end plate is realized in bearing holder (housing, cover), bearing and the cooperation of rotating shaft.
6. standard knot automatic welding production line clamping device as claimed in claim 5, it is characterised in that：It is described to rotate driving dress
Cylinder is set to, cylinder one end is hinged on the end plate, and the piston rod of cylinder is hinged with the bearing holder (housing, cover), passes through the piston of cylinder
The telescopic drive bearing holder (housing, cover) of bar is rotated.
7. standard knot automatic welding production line clamping device as claimed in claim 1 or 2, it is characterised in that：The cross bar folder
Tool includes cross bar cylinder, supporting rod, clamping pole socket and cross bar firm banking, and the piston rod of cross bar cylinder and the head end of supporting rod are cut with scissors
Connect, what supporting rod was rotated is hinged on clamping pole socket, and the clamping part for clamping cross bar is provided with the tail end of supporting rod, is clamped
Portion is used to coordinate cross bar firm banking that cross bar is fixed on into cross bar firm banking.
8. standard knot automatic welding production line clamping device as claimed in claim 7, it is characterised in that：The head of the supporting rod
Limited location connecting rod is set, and the angle between spacing connecting rod and the supporting rod is acute angle, spacing connecting rod and the supporting rod on end
Connection end on rotation slot is set, the piston rod of cross bar cylinder is hinged on rotation slot, supporting rod with it is described clamping pole socket hinge
Place is met positioned at the end of spacing connecting rod, the clamping part is that two straight-bars are vertically formed by connecting, and is provided with the end of two straight-bars solid
Clamping part groove is provided with fixed projection, the tail end of the supporting rod, the clamping part is hinged in clamping part groove.
9. standard knot automatic welding production line clamping device as claimed in claim 1 or 2, it is characterised in that：The diagonal web member
Fixture includes diagonal web member cylinder, horizontal push rod and two grip slippers, and grip slipper includes left half grip slipper and right half grip slipper, left half
The upper end of grip slipper is provided with half of left fixing groove, and the upper end of right half grip slipper is provided with half of right fixing groove, half of left fixation
Groove and half of right fixing groove composition stitched together fixing groove corresponding with diagonal web member shape, the upper end of half of right fixing groove is set
It is equipped with the fixed strip towards half of left fixing groove direction protrusion, the bottom of left half grip slipper and right half grip slipper is hinged, horizontal push rod
Two ends are connected with right half grip slipper respectively, and the piston rod of diagonal web member cylinder is connected with the middle part of horizontal push rod, passes through diagonal web member gas
The flexible hinged place for making right half grip slipper along bottom of the piston rod of cylinder is rotated, and reaches the folder of left half grip slipper and right half grip slipper
Close and open.
10. standard knot automatic welding production line clamping device as claimed in claim 1 or 2, it is characterised in that：The main swing arm
Fixture includes main swing arm cylinder, chuck and mounting groove, and chuck is connected on the piston rod of main swing arm cylinder, and chuck is located at mounting groove
Interior, main swing arm cylinder, which is used to releasing chuck, clamps main swing arm in mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610171670.9A CN105729017B (en) | 2016-03-24 | 2016-03-24 | A kind of standard knot automatic welding production line clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610171670.9A CN105729017B (en) | 2016-03-24 | 2016-03-24 | A kind of standard knot automatic welding production line clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105729017A CN105729017A (en) | 2016-07-06 |
| CN105729017B true CN105729017B (en) | 2017-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610171670.9A Active CN105729017B (en) | 2016-03-24 | 2016-03-24 | A kind of standard knot automatic welding production line clamping device |
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| Country | Link |
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| CN (1) | CN105729017B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826059A (en) * | 2017-03-01 | 2017-06-13 | 广西双起起重机制造有限公司 | A kind of frame tower crane standard knot welder |
| CN107175384B (en) * | 2017-06-27 | 2022-07-05 | 上海誉盈光电科技有限公司 | PCB board welding element grabbing device |
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| CN202607171U (en) * | 2012-05-11 | 2012-12-19 | 福州朗威激光设备有限公司 | Rotating position changing fixture of standard joint automatic welding production line |
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| CN103752920A (en) * | 2014-01-15 | 2014-04-30 | 中联重科股份有限公司 | tower crane standard knot processing device and processing method |
| CN103862213A (en) * | 2014-03-03 | 2014-06-18 | 中联重科股份有限公司 | Welding clamping device for standard knot square frame of construction elevator |
| CN104690479A (en) * | 2015-03-16 | 2015-06-10 | 成都焊科机器人有限公司 | Integrated frame special fixture |
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| JP4870483B2 (en) * | 2006-06-26 | 2012-02-08 | 鹿島建設株式会社 | Member holding device and member holding method |
| JP4605310B2 (en) * | 2010-06-16 | 2011-01-05 | 株式会社大林組 | Tower crane mount, tower crane support method, tower crane mount mounting structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440787A (en) * | 1993-11-19 | 1995-08-15 | Figueroa; Raul | Clasp for cloth neckwear and the like |
| CN101748692A (en) * | 2010-03-10 | 2010-06-23 | 浙江东南网架股份有限公司 | Production process for standard knot of assembled lattice support bracket and installation jig |
| CN202607120U (en) * | 2012-05-11 | 2012-12-19 | 福州朗威激光设备有限公司 | Automatic welding production line for standard joints |
| CN202607171U (en) * | 2012-05-11 | 2012-12-19 | 福州朗威激光设备有限公司 | Rotating position changing fixture of standard joint automatic welding production line |
| CN102825417A (en) * | 2012-09-27 | 2012-12-19 | 无锡久一重工机械有限公司 | Standard knot welding power-driven fixture |
| CN102896454A (en) * | 2012-09-28 | 2013-01-30 | 重庆盈丰升机械设备有限公司 | Full-automatic standard section overturning tooling |
| CN103752920A (en) * | 2014-01-15 | 2014-04-30 | 中联重科股份有限公司 | tower crane standard knot processing device and processing method |
| CN103862213A (en) * | 2014-03-03 | 2014-06-18 | 中联重科股份有限公司 | Welding clamping device for standard knot square frame of construction elevator |
| CN104690479A (en) * | 2015-03-16 | 2015-06-10 | 成都焊科机器人有限公司 | Integrated frame special fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105729017A (en) | 2016-07-06 |
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