CN201483179U - Welding frock clamp for upper rack body of overhead battery rack of hybrid electric vehicle - Google Patents
Welding frock clamp for upper rack body of overhead battery rack of hybrid electric vehicle Download PDFInfo
- Publication number
- CN201483179U CN201483179U CN2009201859888U CN200920185988U CN201483179U CN 201483179 U CN201483179 U CN 201483179U CN 2009201859888 U CN2009201859888 U CN 2009201859888U CN 200920185988 U CN200920185988 U CN 200920185988U CN 201483179 U CN201483179 U CN 201483179U
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- upper frame
- transverse slat
- hybrid vehicle
- shelf
- battery carrier
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Abstract
The utility model discloses a welding frock clamp for an upper rack body of an overhead battery rack of a hybrid electric vehicle. The clamp comprises a clamp body (1) and is characterized in that the upper end of the clamp body is fixedly provided with a positioning element (2); the outside of the positioning element (2) is provided with a clamping device (3); the positioning element horizontally limits all parts of the upper rack body of the overhead battery rack of the hybrid electric vehicle; and the clamping device clamps all the parts of the upper rack body of the overhead battery rack of the hybrid electric vehicle in the horizontal and vertical directions. The clamp greatly lightens the physical work of operating personnel, improves the assembly and welding efficiency, controls or eliminates the welding heat deformation of workpieces, and reduces the instability of manual welding.
Description
Technical field
The invention belongs to the Assembling Production technical field of hybrid vehicle overhead battery carrier upper frame, be specifically related to a kind of Assembling Production method of hybrid vehicle overhead battery carrier upper frame, and used welding tooling anchor clamps.
Background technology
Hybrid vehicle (Hybrid Electric Vehicel) is exactly to install a cover internal combustion engine on pure electric automobile additional, its objective is the pollution that reduces automobile, improves the distance travelled of pure electric automobile.Hybrid vehicle has tandem and parallel two kinds of versions.Hybrid vehicle has the following advantages: when vehicle launch stops, only drive by generator, do not reach certain speed, engine is not just worked, and therefore, just can make engine remain on the optimum condition state always, good dynamic property, discharge capacity is very low, and the source of electric energy all is engine, only needs to refuel to get final product.
Tandem power is made up of engine, generator and motor three part power assemblies, form the SHEV power unit system with series system between them, the engine driven generators generating, electric energy is transported to battery or motor by controller, drives automobile by motor by gear.Drive wheel by battery driven motor during little load, drive the generator for electricity generation drive motor by engine when loading greatly.When vehicle was in startup, acceleration, climbing operating mode condition, engine, motor unit and battery pack provided electric energy to motor jointly; When electric motor car is in low speed, slides, during the operating mode of idling, then by the battery driven motor, when the battery pack short of electricity then by the Engine-Generator group to batteries charging.Series-mode frame is applicable in the city frequent starting and low cruise operating mode, engine can be adjusted near the steady running optimal working point, reaches the purpose of the adjustment speed of a motor vehicle by the output of adjusting battery and motor.Make engine avoid the operating mode of idling and low-speed running, thereby improved the efficient of engine, reduced toxic emission.But its shortcoming is an energy several times to be changed, and mechanical efficiency is lower.
The engine of parallel device and motor drive automobile jointly, and engine and motor adhere to two cover systems separately, can provide moment of torsion to automotive transmission independently respectively, not only can drive jointly but also can drive separately on different road surfaces.When automobile quickened climbing, motor and engine can provide power to transmission mechanism simultaneously, in case automobile speed reaches cruising speed, automobile will only rely on engine to keep this speed.Motor not only can be made motor but also can make generator and use, and is called the electric-generating unit again.Owing to there is not independent generator, engine can directly drive wheel by transmission mechanism, the more approaching traditional automobile driving system of this device, and mechanical efficiency loss and general-utility car are similar, obtain using more widely.
No matter be tandem power or parallel power, or present stage the hybrid that more rises, the most important thing that the utilization and the design of battery is hybrid vehicle.Battery is as the main energy-storage travelling wave tube of PHEV, and the performance of hybrid vehicle is had a direct impact.Hybrid vehicle often provides with the battery pack form in the prior art, for battery pack can be worked preferably, prevent the influence of temperature and other factors, usually provide a kind of battery case baffle plate to place and spacing battery pack in the prior art, keep radiating effect at battery case baffle design air inlet and air outlet.
Yet the production of battery carrier generally adopts manual welding to finish in the prior art.Welding quality instability in this case, welding precision is not high, and because manual operations needs more manpower and materials, brings difficulty for mechanization, the automation of producing.Present stage need be produced for welding and provided that quality is higher, the better welding equipment of performance, could realize production machine for welding toolization and automation, reduces the interference of human factor, the stablizing of assurance welding quality, thus raise labour productivity.Just because of these problems of existence are produced in the welding of battery carrier in the prior art, the present invention comes therefrom.
Summary of the invention
The object of the invention is to provide a kind of welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame, solved the artificial welding of the no frock clamp of hybrid vehicle overhead battery carrier employing in the prior art, welding quality instability, welding precision are not high, can not realize problems such as automation and mechanization welding.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame, comprise clamp body, it is characterized in that described clamp body upper end is set with setting element, described setting element arranged outside clamping device, each parts of the spacing hybrid vehicle overhead of described setting element level battery carrier upper frame, described clamping device level and vertical direction clamp each parts of hybrid vehicle overhead battery carrier upper frame.
Preferably, described hybrid vehicle overhead battery carrier upper frame comprises the transverse slat parts of putting on the shelf, and two put on the shelf is provided with several battery baffle plates between transverse slat, and described upper frame lower end is provided with the left and right baffle plate that supports upper frame; The described setting element setting two ends positioning limit of the transverse slat transverse slat of putting on the shelf of putting on the shelf.
Preferably, described clamp body comprises the support platform of level, and described support platform is fixed with setting element and clamping device respectively; Described support platform lower end is set with the supporting bracket of castor.
Preferably, described setting element comprises a plurality of limited blocks that are fixed on the support platform upper surface, offers the limited impression at the spacing transverse slat two ends of putting on the shelf on the described limited block.
Preferably, described limited block comprises fixed stop that is fixed on the support platform upper end and the rotary block that cooperates rotation with the pivot joint of first block, and described rotary block cooperates the spacing transverse slat of putting on the shelf of formation limited impression with fixed stop.
Preferably, described battery baffle plate upper end is provided with positioner, and described positioner comprises spacing cross bar, and described spacing cross bar lower end is provided with several retaining grooves and cooperates spacing with the battery baffle plate; Described spacing cross bar upper end is provided with bolt and cooperates spacing with the lock hole that the support platform upper end is provided with.
Preferably, described positioner also comprises the bar that screws with spacing cross bar vertical fixing, describedly screws the transverse slat groove that the bar two ends are provided with the spacing transverse slat of putting on the shelf, and described transverse slat groove arranged outside screws the spacing transverse slat of fixedly putting on the shelf of nut.
Preferably, described left and right baffle plate is arranged on the described transverse slat two ends bottom of putting on the shelf, described clamping device comprise be fixed on the support platform and vertical direction clamp put on the shelf transverse slat and left and right baffle plate the first quick binding clasp, be arranged on the second quick binding clasp that the limited block outside makes rotary block, the closed clamping of fixed stop, the 3rd quick binding clasp that the level on the support platform of being fixed on clamps left and right baffle plate.
Preferably, the described first quick binding clasp, the second quick binding clasp, the 3rd quick binding clasp are selected from that rectilinear quick folder, horizontal press from both sides fast, plug-type quick folder, pull fastening type press from both sides fast, quick folder is made up in multi-functional welding, locking pliers, C type pincers, F type pincers.
The present invention is by the such welding tooling anchor clamps of design, by setting element two parts of transverse slat and battery baffle plate of putting on the shelf are positioned, need not rule, just need not measure and to obtain rigging position accurately, thereby guaranteed assembly precision, accelerated the process of assembling work.
Clamping device of the present invention is to utilize mechanical four connecting rod dead point principles and a kind of quick clamping that designs, opening mechanism fast, hand actuable clamping device and air clamper be can be divided into according to its motion mode, rectilinear clamping device, horizontal clamping device, plug-type clamping device, pull fastening type clamping device, multi-functional welding combination clamping device series, locking pliers, C type pincers, F type pincers etc. comprised.The plug-type clamping device of preferred employing.
Than solution of the prior art, the utility model advantage is:
1. it is fixing to adopt the welding tooling anchor clamps to carry out the welding of hybrid power automobile battery frame upper frame in the technical solution of the present invention, clamping device can adopt hand actuable clamping device or air clamper, thereby alleviated operating personnel's manual labor greatly, improved erection welding efficient.And, in welding process,,, reduce the unstability of artificial welding in anchor clamps so can control or eliminate the welding temperature distortion of workpiece because workpiece is fixedly clamped or gives reversible deformation in advance.Welding process also is the process of weldment local heating, in order to reduce the part temperature distortion of assembling, by frock clamp part is clamped, and helps reducing the size instability of welding.
2, adopt the welding tooling anchor clamps to weld in the technical solution of the present invention, owing to guaranteed assembly precision, controlled welding deformation,, reduced the unmatched incidence of product so the hybrid power automobile battery frame upper frame that the present invention obtains can exchange arbitrarily in follow-up assembling.And the machining key elements such as mating holes on battery baffle plate and the transverse slat can be welded afterwards to process and become earlier that the processing pore-forming welds again by original elder generation, have avoided the problem of part welding back processing difficulties, help shortening the production cycle of workpiece product.
3, in the technical solution of the present invention after adopting welding tooling anchor clamps retaining element, can adopt welding positioner, shorten the time of weldment upset displacement in assembling and the welding process, reduced the auxiliary time spent, improved welding machine utilization rate and welding productivity.Adopting welding positioner that weldment is on more favourable welding position such as level or the ship type position welds, helps operating personnel and operate, help guaranteeing welding quality, give full play to welding usefulness, even enlarged the welding scope of welding machine.
4, after employing welding tooling anchor clamps weld in the technical solution of the present invention, make manual operations become mechanically actuated, reduced the influence of human factor to welding quality, reduced the requirement of welder's operating technology level, assembling and welding are concentrated on the station to be finished, reduce operation quantity, saved the workshop area.The use of welding tooling anchor clamps makes welding sequence realize that mechanization and automation become possibility, thereby guarantees the overall dimensions and the accuracy of manufacture of weldment.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the welding tooling anchor clamps stereogram of embodiment of the invention hybrid vehicle overhead battery carrier upper frame;
Fig. 2 is the welding tooling anchor clamps front view of embodiment of the invention hybrid vehicle overhead battery carrier upper frame;
Fig. 3 is the welding tooling anchor clamps upward view of embodiment of the invention hybrid vehicle overhead battery carrier upper frame;
Fig. 4 is put on the shelf the structural representation of transverse slat parts of embodiment of the invention hybrid vehicle overhead battery carrier upper frame;
Fig. 5 is the structural representation of embodiment of the invention hybrid vehicle overhead battery carrier upper frame battery baffle component;
Fig. 6 is the structural representation of embodiment of the invention hybrid vehicle overhead battery carrier upper frame right baffle-plate parts;
Fig. 7 is the structural representation of the right baffle component of embodiment of the invention hybrid vehicle overhead battery carrier upper frame;
Fig. 8 is embodiment of the invention hybrid vehicle overhead battery carrier upper frame parts assembled state stereograms on the welding tooling anchor clamps;
Fig. 9 is embodiment of the invention hybrid vehicle overhead battery carrier upper frame parts assembled state front views on the welding tooling anchor clamps;
Figure 10 is embodiment of the invention hybrid vehicle overhead battery carrier upper frame parts assembled state upward views on the welding tooling anchor clamps;
Figure 11 is that embodiment of the invention hybrid vehicle overhead battery carrier upper frame parts are assembled the welded condition front view on the welding tooling anchor clamps;
Figure 12 is that embodiment of the invention hybrid vehicle overhead battery carrier upper frame parts are assembled the welded condition upward view on the welding tooling anchor clamps;
The embodiment of the invention hybrid vehicle overhead battery carrier upper frame structural representation of Figure 13 for obtaining after welding.
Wherein: 1 is clamp body, and 2 is setting element, and 3 is clamping device;
11 are the transverse slat of putting on the shelf, and 12 is the battery baffle plate; 13 is right baffle-plate, and 14 is right plate washer, and 15 is support platform, and 16 is castor, and 17 is supporting bracket; 18 is lock hole;
21 is limited block; 22 is limited impression; 23 is spacing cross bar, and 24 is retaining groove; 25 for screwing bar; 26 is the transverse slat groove;
31 is the first quick binding clasp; 32 is the second quick binding clasp; 33 is the 3rd quick binding clasp; 211 is fixed stop; 212 is rotary block.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment such as Fig. 1～3, welding tooling anchor clamps for hybrid vehicle overhead battery carrier upper frame, comprise clamp body 1, described clamp body upper end is set with setting element 2, described setting element 2 arranged outside clamping devices 3, each parts of the spacing hybrid vehicle overhead of described setting element level battery carrier upper frame, described clamping device level and vertical direction clamp each parts of hybrid vehicle overhead battery carrier upper frame.
As Fig. 4～7 is each parts of hybrid vehicle overhead battery carrier upper frame, comprises transverse slat 11 parts of putting on the shelf, and two 11 of the transverse slats of putting on the shelf are provided with several battery baffle plates 12, and described upper frame lower end is provided with the left and right baffle plate 13,14 that supports upper frame; The described setting element setting two ends positioning limit of transverse slat 11 transverse slat 11 of putting on the shelf of putting on the shelf.
Setting element 2 comprises a plurality of limited blocks 21 that are fixed on support platform 1 upper surface, offers the limited impression 22 at spacing transverse slat 11 two ends of putting on the shelf on the described limited block.Described limited block comprises fixed stop 211 that is fixed on the support platform upper end and the rotary block 212 that cooperates rotation with the pivot joint of first block, and described rotary block 212 cooperates the formation limited impression 22 spacing transverse slats of putting on the shelf with fixed stop.Battery baffle plate 12 upper ends are provided with positioner, described positioner comprise spacing cross bar 23 and with spacing cross bar vertical fixing screw bar 25, described spacing cross bar 23 lower ends are provided with several retaining grooves 24 and cooperate spacing with battery baffle plate 12; Described spacing cross bar 23 upper ends are provided with bolt and cooperate spacing with the lock hole 18 that the support platform upper end is provided with.Describedly screw the transverse slat groove 26 that bar 25 two ends are provided with the spacing transverse slat of putting on the shelf, described transverse slat groove arranged outside screws the spacing transverse slat of fixedly putting on the shelf of nut.
Left and right baffle plate 13,14 is arranged on the described transverse slat 11 two ends bottom of putting on the shelf, described clamping device comprise be fixed on the support platform and vertical direction clamp put on the shelf transverse slat 11 and left and right baffle plate 13,14 the first quick binding clasp 31, be arranged on the second quick binding clasp 32 that the limited block outside makes rotary block, the closed clamping of fixed stop, the 3rd quick binding clasp 33 that the level on the support platform of being fixed on clamps left and right baffle plate 13,14.First quick binding clasp 31, second quick binding clasp the 32, the 3rd quick binding clasp 33 is plug-type quick folder.
As Fig. 8～12 is the Assembling Production method flow schematic diagram of hybrid vehicle overhead battery carrier upper frame of the present invention; This method may further comprise the steps:
Specifically, comprise according to hybrid vehicle overhead battery carrier upper frame put on the shelf the welding position and the above-mentioned welding tooling anchor clamps of welding back structure construction of transverse slat 11 and battery baffle plate 12; Transverse slat 11 and battery baffle plate 12 location and installation will put then on the shelf on the welding tooling anchor clamps; By the spacing transverse slat 11 of putting on the shelf of the limited block of setting element, the two ends, the left and right sides of the transverse slat 11 of putting on the shelf are installed in the closed limited impression that forms of limited block spacing; At two put on the shelf 11 of transverse slats a plurality of battery baffle plates 12 are installed, two transverse slat 11 two ends of putting on the shelf are provided with vertical clamping of the first quick binding clasp 31 and put transverse slat on the shelf and be arranged on the left baffle of the transverse slat lower end of putting on the shelf, and screw rotary block by the second quick binding clasp 32, make the closed fixing spacing transverse slat 11 of putting on the shelf of limited impression that forms of fixed stop rotary block of limited block; Clamp by the 3rd quick binding clasp level in addition and be in two left baffle of putting the transverse slat lower end on the shelf.
In addition, the temperature distortion in order to prevent to weld, by positioner being set in battery baffle plate upper end, described positioner comprise spacing cross bar 23 and with spacing cross bar vertical fixing screw bar 25; Lock hole 18 is set on the described support platform, and the bolt that is provided with on described lock hole and the described spacing cross bar cooperates vertical direction location battery baffle plate; Radially temperature distortion for the transverse slat that prevents to put on the shelf screws bar 25 in the setting of spacing cross bar vertical direction, and described bar 25 two ends that screw are provided with transverse slat groove 26, and the transverse slat of putting on the shelf that is tightened of the bolt by the groove outside.
After put on the shelf transverse slat and battery baffle plate, left baffle are all located clamping, by soldering appliance put on the shelf transverse slat 11 and battery baffle plate 12 junctions are welded fixingly, can form the hybrid vehicle overhead battery carrier upper frame structure after the welding as shown in figure 13.
Present embodiment welds hybrid vehicle overhead battery carrier upper frame by the welding tooling anchor clamps, has significantly reduced the cost and the time of artificial welding, and has guaranteed the precision of welding and stablizing of weldment size.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All spirit essence is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (9)
1. the welding tooling anchor clamps of a hybrid vehicle overhead battery carrier upper frame, comprise clamp body (1), it is characterized in that described clamp body upper end is set with setting element (2), described setting element (2) arranged outside clamping device (3), each parts of the spacing hybrid vehicle overhead of described setting element level battery carrier upper frame, described clamping device level and vertical direction clamp each parts of hybrid vehicle overhead battery carrier upper frame.
2. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that described hybrid vehicle overhead battery carrier upper frame comprises the transverse slat of putting on the shelf (11) parts, two put on the shelf is provided with several battery baffle plates (12) between transverse slat (11), described upper frame lower end is provided with the left and right baffle plate (13,14) that supports upper frame; The described setting element setting two ends positioning limit of transverse slat (11) transverse slat (11) of putting on the shelf of putting on the shelf.
3. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that described clamp body (1) comprises the support platform (15) of level, described support platform (11) is fixing with setting element (2) and clamping device (3) respectively; Described support platform (15) lower end is set with the supporting bracket (17) of castor (16).
4. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that described setting element (2) comprises a plurality of limited blocks (21) that are fixed on support platform (1) upper surface, offers the limited impression (22) at the spacing transverse slat of putting on the shelf (11) two ends on the described limited block.
5. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that described limited block comprises fixed stop (211) that is fixed on the support platform upper end and the rotary block (212) that cooperates rotation with the pivot joint of first block, described rotary block (212) cooperates the spacing transverse slat of putting on the shelf of formation limited impression (22) with fixed stop.
6. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that described battery baffle plate (12) upper end is provided with positioner, described positioner comprises spacing cross bar (23), and described spacing cross bar (23) lower end is provided with several retaining grooves (24) and cooperates spacing with battery baffle plate (12); Described spacing cross bar (23) upper end is provided with bolt and cooperates spacing with the lock hole (18) that the support platform upper end is provided with.
7. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that described positioner also comprise with spacing cross bar vertical fixing screw bar (25), describedly screw the transverse slat groove (26) that bar (25) two ends are provided with the spacing transverse slat of putting on the shelf, described transverse slat groove arranged outside screws the spacing transverse slat of fixedly putting on the shelf of nut.
8. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1, it is characterized in that a described left side, right baffle plate (13,14) be arranged on the described transverse slat of putting on the shelf (11) two ends bottoms, described clamping device comprises and is fixed on the support platform and vertical direction clamps put on the shelf a transverse slat (11) and a left side, right baffle plate (13,14) the first quick binding clasp (31), be arranged on the limited block outside and make rotary block, the closed second quick binding clasp (32) that clamps of fixed stop, be fixed on a level clamping left side on the support platform, right baffle plate (13,14) the 3rd quick binding clasp (33).
9. the welding tooling anchor clamps of hybrid vehicle overhead battery carrier upper frame according to claim 1 is characterized in that the described first quick binding clasp (31), the second quick binding clasp (32), the 3rd quick binding clasp (33) are selected from that rectilinear quick folder, horizontal press from both sides fast, plug-type quick folder, pull fastening type press from both sides fast, quick folder is made up in multi-functional welding, locking pliers, C type pincers, F type pincers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201859888U CN201483179U (en) | 2009-07-24 | 2009-07-24 | Welding frock clamp for upper rack body of overhead battery rack of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201859888U CN201483179U (en) | 2009-07-24 | 2009-07-24 | Welding frock clamp for upper rack body of overhead battery rack of hybrid electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483179U true CN201483179U (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201859888U Expired - Fee Related CN201483179U (en) | 2009-07-24 | 2009-07-24 | Welding frock clamp for upper rack body of overhead battery rack of hybrid electric vehicle |
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| CN (1) | CN201483179U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934454A (en) * | 2010-09-26 | 2011-01-05 | 昆山京都电梯有限公司 | Welding jig for elevator beam |
| CN102179593A (en) * | 2011-03-25 | 2011-09-14 | 肇庆理士电源技术有限公司 | Rapid clamping mould box for battery pack welding |
| CN104959765A (en) * | 2015-07-27 | 2015-10-07 | 厦门理工学院 | Assembly and welding clamp for composite rectangular frames |
| CN110193659A (en) * | 2019-07-05 | 2019-09-03 | 江苏北人机器人系统股份有限公司 | Fixture for agitating friction weldering |
-
2009
- 2009-07-24 CN CN2009201859888U patent/CN201483179U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934454A (en) * | 2010-09-26 | 2011-01-05 | 昆山京都电梯有限公司 | Welding jig for elevator beam |
| CN102179593A (en) * | 2011-03-25 | 2011-09-14 | 肇庆理士电源技术有限公司 | Rapid clamping mould box for battery pack welding |
| CN104959765A (en) * | 2015-07-27 | 2015-10-07 | 厦门理工学院 | Assembly and welding clamp for composite rectangular frames |
| CN110193659A (en) * | 2019-07-05 | 2019-09-03 | 江苏北人机器人系统股份有限公司 | Fixture for agitating friction weldering |
| CN110193659B (en) * | 2019-07-05 | 2024-02-13 | 江苏北人智能制造科技股份有限公司 | Clamp for friction stir welding |
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| GR01 | Patent grant | ||
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Granted publication date: 20100526 Termination date: 20120724 |