CN108161310B - Inner and outer fork assembly butt welding tool - Google Patents
Inner and outer fork assembly butt welding tool Download PDFInfo
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- CN108161310B CN108161310B CN201810027691.2A CN201810027691A CN108161310B CN 108161310 B CN108161310 B CN 108161310B CN 201810027691 A CN201810027691 A CN 201810027691A CN 108161310 B CN108161310 B CN 108161310B
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- fork
- cylinder support
- oil cylinder
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- assembly
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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
-
- 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
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an inner and outer fork assembly assembling and welding tool in the field of assembling tools, wherein the inner and outer fork assembly comprises two fork rods, a lengthened long shaft sleeve, a common long shaft sleeve and two short shaft sleeves, connecting holes are formed in the head part, the middle part and the tail part of each fork rod, the two fork rods are arranged in parallel, the lengthened long shaft sleeve penetrates through the head connecting holes of the two fork rods, the common long shaft sleeve penetrates through the tail connecting holes of the two fork rods, and the two short shaft sleeves respectively penetrate through the middle connecting holes of the two fork rods; the tail of the short oil cylinder support is connected to the common long shaft sleeve in a clamped mode, the long oil cylinder support is connected to the lengthened long shaft sleeve in a clamped mode, the long oil cylinder support and the short oil cylinder support are in central symmetry and are provided with fixing holes, and the welding tool comprises a workpiece mounting frame, an inner fork part positioning mechanism, an outer fork part positioning mechanism, a fastening mechanism, an oil cylinder support positioning mechanism, a jacking mechanism and a clamping mechanism and is fixed on the workpiece mounting frame. All parts of the inner fork assembly and the outer fork assembly are assembled on a welding tool, and a point positioning procedure is cancelled.
Description
Technical Field
The invention relates to the field of assembly tools, in particular to an assembly welding tool for an inner fork assembly and an outer fork assembly.
Background
The welding tool is a set of flexible fixture for welding, fixing, compressing and positioning. The welding gun is mainly used for welding various weldable materials and welding large, medium and small materials. The welding and detection system is widely applied to welding and detection systems of steel structures, various vehicle body manufacturing, rail transit welding, bicycle and motorcycle manufacturing, engineering machinery, frames and boxes, pressure vessels, robot welding, sheet metal processing, metal furniture, equipment assembly, industrial pipelines (flanges) and the like.
Most of the existing assembly welding tools are in a separated state, and the tool positioning, jacking and clamping mechanisms are still operated manually. This form of tooling presents a number of problems: the fixed point and the welding tool are separated, and the occupied workshop space is large; the logistics time between the clamping and welding processes is greatly increased, the operation is complicated, and the working efficiency is low; the welding tool releases the degree of freedom of part, and the precision of the workpiece is low due to the influence of welding deformation.
Disclosure of Invention
The invention aims to provide an inner fork and outer fork assembly butt welding tool to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides an assembly welding tool for an inner fork assembly and an outer fork assembly, wherein the inner fork assembly and the outer fork assembly comprise inner fork parts and outer fork parts and an oil cylinder support, the inner fork parts and the outer fork parts comprise two fork rods, an elongated long shaft sleeve, a common long shaft sleeve, two short shaft sleeves, connecting holes are formed in the head parts, the middle parts and the tail parts of the fork rods, the two fork rods are arranged in parallel, the elongated long shaft sleeve penetrates through the head connecting holes of the two fork rods, the common long shaft sleeve penetrates through the tail connecting holes of the two fork rods, and the two short shaft sleeves respectively penetrate through the middle connecting holes of the two; the hydro-cylinder support includes long hydro-cylinder support and short hydro-cylinder support, short hydro-cylinder support afterbody joint is sheathe in ordinary major axis, long hydro-cylinder support afterbody joint is sheathe in with long major axis, long hydro-cylinder support and short hydro-cylinder support are central symmetry each other and all offer the fixed orifices that is used for the location, the welding frock includes the work piece mounting bracket, the inside and outside fork class part positioning mechanism who is used for the fork class part in the location, a fastening device for fastening inside and outside fork class part, with the hydro-cylinder support positioning mechanism who fixes a position the hydro-cylinder support of fixed orifices cooperation, a clamping mechanism for propping tight mechanism of tight hydro-cylinder support and being used for pressing from both sides tight hydro-cylinder support, positioning mechanism, fastening device, it all is fixed in the work piece mounting bracket to prop.
Preferably, the inner fork part positioning mechanism and the outer fork part positioning mechanism are located at one end of the inner fork part and the outer fork part and are used for positioning the inner fork part and the outer fork part.
Preferably, the workpiece mounting rack is provided with a through hole for the fastening mechanism to fasten the inner fork part and the outer fork part, and the workpiece mounting rack is further provided with a groove for the lengthened long shaft sleeve to be placed.
Preferably, the fastening mechanism comprises a cylinder body and a piston rod, the cylinder body is arranged outside the through hole, and the piston rod penetrates through the through hole and stretches out and draws back through the driving of the cylinder body so as to fasten the inner fork part and the outer fork part.
Preferably, the positioning mechanism is located at the tail of the short oil cylinder support and is located at the tail of the long oil cylinder support and matched with the fixing hole to position the short oil cylinder support and the long oil cylinder support.
Preferably, the jacking mechanism is positioned at the head part of the short oil cylinder support and used for jacking the short oil cylinder support.
Preferably, the clamping mechanism is located at the head of the long oil cylinder support for clamping the long oil cylinder support.
Preferably, the welding tool further comprises a clamping mechanism, and the clamping mechanism is fixed on the workpiece mounting frame to clamp the lengthened long shaft sleeve.
Preferably, the oil cylinder support positioning mechanism is a bidirectional positioning mechanism.
Preferably, the oil cylinder support positioning mechanism is a pneumatic driving positioning mechanism or a hydraulic driving positioning mechanism.
The invention has the following beneficial effects:
1. according to the invention, all parts of the inner fork and the outer fork are assembled on the welding tool, and the point positioning process is cancelled, so that the occupied space of an equipment workshop is greatly reduced, and the logistics time is shortened.
2. The invention adopts the bidirectional positioning and jacking device, reduces the number of positioning and jacking mechanisms, and uses pneumatic or hydraulic drive, thereby reducing the clamping time and improving the working efficiency.
3. The invention has the advantages of accurate positioning, high fixing precision, and capability of restricting the degree of freedom of a workpiece with higher precision requirement in the welding process, thereby improving the welding precision.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an assembly welding fixture for inner and outer fork assemblies according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a bottom portion of a welding tool for assembling inner and outer forks in a butt joint manner according to a preferred embodiment of the invention.
111, lengthening the long shaft sleeve; 112. a common long shaft sleeve; 12. a short shaft sleeve; 13. a fork lever; 141. a long oil cylinder support; 142. a short cylinder support; 21. a workpiece mounting frame; 221. an inner fork part positioning mechanism and an outer fork part positioning mechanism; 222. an oil cylinder support positioning mechanism; 23. a fastening mechanism; 24. A clamping mechanism; 25. a clamping mechanism; 26. and a jacking mechanism.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The assembly welding tool for the inner fork assembly and the outer fork assembly comprises inner fork parts, outer fork parts and an oil cylinder support, wherein the inner fork parts and the outer fork parts comprise two fork rods 13, a lengthened long shaft sleeve 111, a common long shaft sleeve 112 and two short shaft sleeves 12, connecting holes are formed in the head, the middle and the tail of each fork rod 13, the two fork rods 13 are arranged in parallel, the lengthened long shaft sleeve 111 penetrates through the head connecting holes of the two fork rods 13, the common long shaft sleeve 112 penetrates through the tail connecting holes of the two fork rods 13, and the two short shaft sleeves 12 penetrate through the middle connecting holes of the two fork rods 13 respectively; the oil cylinder support comprises a long oil cylinder support 141 and a short oil cylinder support 142, the tail part of the short oil cylinder support 142 is clamped on the common long shaft sleeve 112, the tail part of the long oil cylinder support 141 is clamped on the lengthened long shaft sleeve 111, and the long oil cylinder support 141 and the short oil cylinder support 142 are centrosymmetric and are provided with fixing holes for positioning; the welding tool comprises a workpiece mounting frame 21, an inner fork type part positioning mechanism 221, an outer fork type part positioning mechanism 221, a fastening mechanism 23, an oil cylinder support positioning mechanism 222, a jacking mechanism 26 and a clamping mechanism 25, wherein the inner fork type part positioning mechanism 221 is used for positioning the inner fork type part and the outer fork type part, the fastening mechanism 23 is used for fastening the outer fork type part, the oil cylinder support positioning mechanism 222 is matched with a fixing hole to position the oil cylinder support, the jacking mechanism 26 is used for jacking the oil cylinder support, and the clamping mechanism 25 is used for clamping the oil cylinder support, and the inner fork type part positioning mechanism 221, the fastening mechanism 23, the oil.
Referring to fig. 1 and 2, the workpiece mounting rack 21 of the present invention is a rectangular frame structure, and two sets of symmetrical through holes are formed in the side surface of the frame. Firstly, the inner fork type part and the outer fork type part are preliminarily positioned through the inner fork type part positioning mechanism 221 and the outer fork type part positioning mechanism. Then, the common long shaft sleeve 112 and the short shaft sleeve 12 are fastened through the fastening mechanism 23 so as to fix the inner fork type part and the outer fork type part; the workpiece mounting rack 21 is further provided with a group of grooves, and the lengthened long shaft sleeves 111 of the inner fork part and the outer fork part are placed in the grooves to fix the inner fork part and the outer fork part. The integral positioning and fastening of the inner fork type part and the outer fork type part are realized through the positioning of the inner fork type part and the outer fork type part by the inner fork type part positioning mechanism 221, the fastening of the common long shaft sleeve 112 and the short shaft sleeve 12 of the inner fork type part and the outer fork type part by the fastening mechanism 23 and the fastening of the lengthened long shaft sleeve 111 of the inner fork type part and the outer fork type part by the groove. Then the oil cylinder support is placed on the positioned inner fork part and the positioned outer fork part: the tail parts of the short oil cylinder support 142 and the long oil cylinder support 141 are respectively provided with a group of circular arc grooves, the circular arc grooves of the short oil cylinder support 142 are clamped on a common long shaft sleeve 112, the circular arc grooves of the long oil cylinder support 141 are clamped on the lengthened long shaft sleeve 111, the oil cylinder support positioning mechanism 222 is matched with a fixing hole to position the internal fork type part and the external fork type part, and then the two side plates of the short oil cylinder support 142 are tightly jacked by the jacking mechanism 26, the two side plates of the long oil cylinder support 141 are tightly clamped by the clamping mechanism 25, so that the short oil cylinder support 142, the long oil cylinder support 141 and the internal fork type part and the external fork type part are kept in a tightly-jointed. And finally, welding the short oil cylinder support 142 and the long oil cylinder support 141 on the inner fork part and the outer fork part to complete the assembly welding of the inner fork assembly and the outer fork assembly.
Preferably, the inner and outer fork type part positioning mechanism 221 is located at one end of the inner and outer fork type parts for positioning the inner and outer fork type parts.
The inner and outer fork part positioning mechanism 221 is located at one end of the inner and outer fork part, can limit the transverse displacement of the inner and outer fork part, and can perform primary positioning on the inner and outer fork part.
Preferably, the workpiece mounting frame 21 is provided with a through hole for the fastening mechanism 23 to fasten the inner fork and the outer fork, and the workpiece mounting frame 21 is further provided with a groove for the elongated long shaft sleeve 111 to be placed in. The fastening mechanism 23 fastens the common long shaft sleeve 112 and the short shaft sleeve 12, so that the inner fork part and the outer fork part are accurately positioned and fixed on the workpiece mounting frame 21.
Preferably, the fastening mechanism 23 includes a cylinder body fixed outside the through hole, and a piston rod passing through the through hole and extending and contracting by the driving of the cylinder body to fasten the outer fork-like member. The cylinder body of the piston is fixed on the outer side of the through hole, and the piston rod penetrates through the through hole and extends to extrude the common long shaft sleeve 112 and the short shaft sleeve 12, so that the fastening of the outer fork type parts is realized.
Preferably, the cylinder support positioning mechanism 222 is located at the rear of the short cylinder support 142 and located at the rear of the long cylinder support 141 and is matched with the fixing hole to position the short cylinder support 142 and the long cylinder support 141.
The short oil cylinder support 142 and the long oil cylinder support 141 are provided with a group of circular arc grooves at the tail part, the circular arc grooves of the short oil cylinder support 142 are clamped on the common long shaft sleeve 112, and the circular arc grooves of the long oil cylinder support 141 are clamped on the lengthened long shaft sleeve 111. The positioning of the short cylinder support 142 and the long cylinder support 141 is then achieved by passing the fixing hole of the cylinder support through the cylinder support positioning mechanism 222.
Preferably, the jacking mechanism 26 is located at the head of the short cylinder support 142 for jacking the short cylinder support 142.
The tightening mechanism 26 tightens the two side plates of the short cylinder support 142 to prevent the short cylinder support 142 from being displaced relative to the workpiece mounting frame 21 and falling off.
Preferably, the clamping mechanism 25 is located at the head of the long cylinder support 141 for clamping the long cylinder support 141.
The clamp mechanism 25 clamps both side plates of the long cylinder mount 141 to prevent the long cylinder mount 141 from being displaced relative to the work mounting frame 21 and from coming off.
Preferably, the welding tool further comprises a clamping mechanism 24, and the clamping mechanism 24 is fixed to the workpiece mounting frame 21 to clamp the elongated long shaft sleeve 111.
The clamping mechanism 24 can clamp the lengthened long shaft sleeve 111, and positioning accuracy is guaranteed.
Preferably, the cylinder support positioning mechanism 222 is a two-way positioning mechanism. The cylinder support positioning mechanism 222 is a pneumatically driven positioning mechanism or a hydraulically driven positioning mechanism.
Preferably, the tightening mechanism 26 is a two-way tightening mechanism. The tightening mechanism 26 is a pneumatically driven tightening mechanism or a hydraulically driven tightening mechanism.
The bidirectional positioning and jacking mechanism can complete positioning and jacking tasks by one-time operation, so that the number of the positioning and jacking mechanisms is reduced. And the positioning and jacking mechanisms are driven by air pressure or hydraulic pressure, so that clamping and positioning time is reduced, and working efficiency is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The inner fork assembly and the outer fork assembly are paired and welded, the inner fork assembly and the outer fork assembly comprise inner fork parts and oil cylinder supports, the inner fork parts and the outer fork parts comprise two fork rods (13), lengthened long shaft sleeves (111), common long shaft sleeves (112) and two short shaft sleeves (12), connecting holes are formed in the head parts, the middle parts and the tail parts of the fork rods (13), the two fork rods (13) are arranged in parallel, the lengthened long shaft sleeves (111) penetrate through the head connecting holes of the two fork rods (13), the common long shaft sleeves (112) penetrate through the tail connecting holes of the two fork rods (13), and the two short shaft sleeves (12) penetrate through the middle connecting holes of the two fork rods (13) respectively; the utility model discloses a welding tool, including work piece mounting frame (21), the interior outer fork class part positioning mechanism (221) that is used for fixing a position, be used for the tight mechanism (26) in top of the oil cylinder support and be used for pressing from both sides clamping mechanism (25) of tight oil cylinder support, interior outer fork class part positioning mechanism (221), the tight mechanism (23) of the interior outer fork class part of fastening, with the oil cylinder support positioning mechanism (222) that the fixed orifices cooperation was fixed a position to the oil cylinder support, be used for pressing from both sides clamping mechanism (25) of tight oil cylinder support, interior outer fork class part positioning mechanism (221), fastening mechanism (23), short oil cylinder support (142) afterbody joint is on long axle sleeve (112) of the ordinary, long oil cylinder support (141) afterbody joint is on long axle sleeve (111) of extension, long oil cylinder support (141) afterbody joint is on long axle sleeve (111), long oil cylinder support (141) and short oil cylinder support (142) afterbody, Hydro-cylinder support positioning mechanism (222), tight mechanism (26) in top and clamping mechanism (25) all are fixed in workpiece mounting frame (21), seted up on workpiece mounting frame (21) and supply fastening mechanism (23) fastening the through-hole of interior outer fork class part, the confession has still been seted up on workpiece mounting frame (21) the recess that long axle sleeve (111) of extension was placed, hydro-cylinder support positioning mechanism (222) are two-way positioning mechanism, just hydro-cylinder support positioning mechanism (222) are air pressure drive positioning mechanism or hydraulic drive positioning mechanism.
2. The assembly welding tool for the inner fork assembly and the outer fork assembly as claimed in claim 1, wherein the inner fork part positioning mechanism (221) is located at one end of the inner fork part and the outer fork part to position the inner fork part and the outer fork part.
3. The assembly welding tool for the inner fork and the outer fork of claim 1, wherein the fastening mechanism (23) comprises a cylinder body and a piston rod, the cylinder body is fixed to the outer side of the through hole, and the piston rod penetrates through the through hole and stretches under the driving of the cylinder body so as to fasten the inner fork and the outer fork.
4. The assembly welding tool for the inner fork and the outer fork assembly as claimed in claim 1, wherein the cylinder support positioning mechanism (222) is located at the head and the tail of the short cylinder support (142) and at the tail of the long cylinder support (141) and is matched with the fixing hole to position the short cylinder support (142) and the long cylinder support (141).
5. The assembly welding tool for the inner fork and the outer fork assembly as claimed in claim 1, wherein the jacking mechanism (26) is located at the head of the short oil cylinder support (142) and used for jacking the short oil cylinder support (142).
6. The assembly welding tool for the inner fork and the outer fork of claim 1, wherein the clamping mechanism (25) is located at the head of the long oil cylinder support (141) and used for clamping the long oil cylinder support (141).
7. The assembly welding tool for the inner fork and the outer fork of claim 1, further comprising a clamping mechanism (24), wherein the clamping mechanism (24) is fixed on the workpiece mounting frame (21) to clamp the lengthened long shaft sleeve (111).
8. The assembly welding tool for the inner fork assembly and the outer fork assembly as claimed in any one of claims 1 to 7, wherein the tightening mechanism (26) is a bidirectional tightening mechanism, and the tightening mechanism (26) is a pneumatic driving tightening mechanism or a hydraulic driving tightening mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027691.2A CN108161310B (en) | 2018-01-11 | 2018-01-11 | Inner and outer fork assembly butt welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810027691.2A CN108161310B (en) | 2018-01-11 | 2018-01-11 | Inner and outer fork assembly butt welding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108161310A CN108161310A (en) | 2018-06-15 |
| CN108161310B true CN108161310B (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810027691.2A Active CN108161310B (en) | 2018-01-11 | 2018-01-11 | Inner and outer fork assembly butt welding tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN108161310B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601097B (en) * | 2021-07-15 | 2023-06-02 | 诺力智能装备股份有限公司 | Welding positioning device for scissor fork of overhead platform truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2500347A1 (en) * | 1981-02-23 | 1982-08-27 | Jacquemond Jean Baptiste | Positioning jig for welding balcony railings - adjustable to suit rail and bar spacing |
| CN201960305U (en) * | 2011-03-23 | 2011-09-07 | 中国北车集团大同电力机车有限责任公司 | Locomotive framework assembly tool |
| CN202199968U (en) * | 2011-07-04 | 2012-04-25 | 株洲联诚集团有限责任公司 | Welding tooling for subway underframe end structure |
| CN202539882U (en) * | 2012-04-30 | 2012-11-21 | 江苏诚天机械有限公司 | Clamp for welding motorcycle frame |
| CN202877771U (en) * | 2012-10-10 | 2013-04-17 | 江苏巨超重工机械有限公司 | Excavator central platform hydraulic assembling and welding tool |
| CN203992924U (en) * | 2014-07-28 | 2014-12-10 | 河北昊昱机电设备研究所有限公司 | Lift movable joint welding tooling |
-
2018
- 2018-01-11 CN CN201810027691.2A patent/CN108161310B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2500347A1 (en) * | 1981-02-23 | 1982-08-27 | Jacquemond Jean Baptiste | Positioning jig for welding balcony railings - adjustable to suit rail and bar spacing |
| CN201960305U (en) * | 2011-03-23 | 2011-09-07 | 中国北车集团大同电力机车有限责任公司 | Locomotive framework assembly tool |
| CN202199968U (en) * | 2011-07-04 | 2012-04-25 | 株洲联诚集团有限责任公司 | Welding tooling for subway underframe end structure |
| CN202539882U (en) * | 2012-04-30 | 2012-11-21 | 江苏诚天机械有限公司 | Clamp for welding motorcycle frame |
| CN202877771U (en) * | 2012-10-10 | 2013-04-17 | 江苏巨超重工机械有限公司 | Excavator central platform hydraulic assembling and welding tool |
| CN203992924U (en) * | 2014-07-28 | 2014-12-10 | 河北昊昱机电设备研究所有限公司 | Lift movable joint welding tooling |
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| Publication number | Publication date |
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| CN108161310A (en) | 2018-06-15 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A butt welding tooling for inner and outer fork assembly Effective date of registration: 20220425 Granted publication date: 20200424 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ZHUZHOU TIANYI AUTOWELDING SYSTEM Co.,Ltd. Registration number: Y2022980004768 |
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Date of cancellation: 20230317 Granted publication date: 20200424 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ZHUZHOU TIANYI AUTOWELDING SYSTEM Co.,Ltd. Registration number: Y2022980004768 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A welding fixture for assembling inner and outer fork assemblies Effective date of registration: 20230323 Granted publication date: 20200424 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: ZHUZHOU TIANYI AUTOWELDING SYSTEM Co.,Ltd. Registration number: Y2023980035934 |
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