CN115647870A - Clamping tool for machining torsion arm of wind power gear box at vertical machining center - Google Patents
Clamping tool for machining torsion arm of wind power gear box at vertical machining center Download PDFInfo
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- CN115647870A CN115647870A CN202211452973.XA CN202211452973A CN115647870A CN 115647870 A CN115647870 A CN 115647870A CN 202211452973 A CN202211452973 A CN 202211452973A CN 115647870 A CN115647870 A CN 115647870A
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- 230000003028 elevating effect Effects 0.000 claims description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a clamping tool for processing a torsion arm of a wind power gear box in a vertical processing center, which relates to the technical field of torsion arm clamps and solves the technical problems that the torsion arm cannot be clamped and turned and the clamping angle of the torsion arm cannot be adjusted in the prior art and the clamping position cannot be processed in the prior art.
Description
Technical Field
The invention relates to the technical field of torque arm clamps, in particular to a clamping tool for machining a torque arm of a wind power gear box in a vertical machining center.
Background
The invention mainly relates to a torsion arm clamp technology, wherein a torsion arm is an important part in a transmission system, a wind power gear box has higher requirements on the performance of the torsion arm, the structure and the performance of the wind power gear box play a decisive role in the limiting, vibration isolating and operating stability of the wind power gear box, and the torsion arm clamp technology has higher requirements on the clamping reliability and the processing consistency of the torsion arm.
For example, the invention is a numerical control machining clamp structure for a torsion arm part of an aircraft landing gear and a use method thereof, and the publication number is CN107378561A, the traditional clamp cannot be overturned and clamped in the clamping process, and the technical problem that a machining center cannot conveniently perform double-side machining is solved.
For example, the invention with the publication number of CN112720380A is named as a wind power torsion arm tool, the clamp cannot rotate to adjust the clamping angle, and the direction of the torsion arm is automatically adjusted;
in conclusion, the technical scheme provides a clamping tool for machining the torsion arm of the wind power gear box in the vertical machining center.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a clamping tool for processing a torsion arm of a wind power gear box in a vertical processing center, and solves the technical problems that the torsion arm cannot be clamped and overturned, the clamping angle of the torsion arm cannot be adjusted and the technical problem that the clamped part cannot be processed in the prior art.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a clamping frock of wind-powered electricity generation gear box torque arm processing usefulness at vertical machining center, includes the base, its characterized in that, the base is the disc, the carousel is installed to the wall on the base, the carousel rotates and serves wall fixed mounting and have the base, the base is the disc, base profile diameter is greater than base profile diameter, install basement rotary device in the base, base lateral wall fixed mounting has a pair of L shape frame, and is a pair of torque arm clamping device is installed respectively to L shape frame upper wall, the big ring clamping device of torque arm is installed to the wall on the base, the little ring elevating gear of torque arm is installed to the wall on the base.
Preferably, the substrate rotating device comprises a substrate rotating motor, the substrate rotating motor is fixedly installed in the base, a substrate gear reducer is fixedly installed in the base, the input end of the substrate gear reducer is fixedly connected to the driving end of the substrate rotating motor, and the output end of the substrate gear reducer is fixedly connected to the lower wall surface of the base.
Preferably, each of the pair of torque arm clamping devices comprises a clamping hydraulic cylinder, the clamping hydraulic cylinder is fixedly mounted on one upper wall surface of the pair of L-shaped frames, the telescopic end of the clamping hydraulic cylinder is vertically upward, and the clamping hydraulic cylinder is fixedly mounted with a clamping structure.
Preferably, the clamping structure comprises a clamping hydraulic cylinder, the clamping hydraulic cylinder is horizontally and fixedly installed at the telescopic end of the clamping hydraulic cylinder, the telescopic end of the clamping hydraulic cylinder faces the direction of the circle center of the base, and the telescopic end of the clamping hydraulic cylinder is provided with a torsion arm overturning structure.
Preferably, the torque arm flip structure includes the upset motor, upset motor fixed mounting is in the flexible end of centre gripping pneumatic cylinder, upset motor drive end is just fixed mounting has upset initiative bevel gear down, the upset motor side wall rotates installs the trip shaft, trip shaft one end fixed mounting has the V-arrangement clamp splice, fixed mounting has the driven bevel gear of upset on the trip shaft, the initiative bevel gear of upset is connected with the driven bevel gear meshing of upset.
Preferably, the clamping device in the large ring of the torque arm comprises a supporting plate lifting hydraulic cylinder, the supporting plate lifting hydraulic cylinder is fixedly installed on the upper wall surface of the base, a lifting supporting plate is fixedly installed at the telescopic end of the supporting plate lifting hydraulic cylinder, an inner bracket is fixedly installed on the upper wall surface of the lifting supporting plate and is cross-shaped, four sliding ways are formed in the inner bracket, and four centering claws are respectively and slidably installed in the sliding ways.
Preferably, threaded holes are formed in the four centering claws, four centering threaded rods are rotatably mounted in the inner bracket, and the four threaded rods are in threaded connection with the four centering claws.
Preferably, a centering motor is fixedly mounted on the upper wall surface of the lifting support plate, a centering driving bevel gear is fixedly mounted at a driving end of the centering motor, centering driven bevel gears are fixedly mounted at one ends of the four threaded rods, and the centering driving bevel gears are in meshed connection with the four centering driven bevel gears.
Preferably, the torque arm small ring lifting device comprises a fixed cylinder, the fixed cylinder is fixedly mounted on the upper wall surface of the base, a lifting sleeve is slidably mounted in the fixed cylinder, and a circular truncated cone is fixedly mounted at the top end of the lifting sleeve.
Preferably, an auxiliary motor is fixedly installed in the fixed cylinder, an auxiliary driving bevel gear is fixedly installed at a driving end of the auxiliary motor, a main shaft is installed in the fixed cylinder in a rotating mode, an auxiliary driven bevel gear is fixedly installed on the main shaft and meshed with the auxiliary driven bevel gear, an external thread is formed in the main shaft, a threaded sleeve is installed in the fixed cylinder in a sliding mode and fixedly connected with the lifting sleeve, and the threaded sleeve is in threaded connection with the main shaft.
Advantageous effects
The invention provides a clamping tool for processing a torsion arm of a wind power gear box in a vertical processing center.
Drawings
Fig. 1 is a schematic structural diagram of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center.
Fig. 2 is a schematic structural diagram of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center according to the invention.
Fig. 3 is a schematic structural view of a front view of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center.
Fig. 4 is a schematic top view of the clamping tool for machining the torsion arm of the wind power gear box in the vertical machining center.
Fig. 5 is a schematic structural view of a front view section of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center according to the invention.
Fig. 6 is a schematic partial structural view of a front view of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center according to the invention.
Fig. 7 is a schematic partial structural view of a front view of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center according to the invention.
Fig. 8 is a schematic partial structural view of a front view of a clamping tool for machining a torsion arm of a wind power gear box in a vertical machining center according to the present invention.
In the figure: 1. a base; 2. a turntable; 3. a base; 4. an L-shaped frame; 5. a base rotation motor; 6. a ground gear reducer; 7. clamping a hydraulic cylinder; 8. a clamping hydraulic cylinder; 9. turning over a motor; 10. turning over the driving bevel gear; 11. a turning shaft; 12. a V-shaped clamping block; 13. turning over the driven bevel gear; 14. a pallet lift cylinder; 15. lifting the supporting plate; 16. an inner bracket; 17. a centering claw; 18. a centering threaded rod; 19. a centering motor; 20. centering the drive bevel gear; 21. centering the driven bevel gear; 22. a fixed cylinder; 23. a lifting sleeve; 24. a circular table; 25. an auxiliary motor; 26. an auxiliary drive bevel gear; 27. a main shaft; 28. an auxiliary driven bevel gear; 29. and (4) a threaded sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a clamping frock of wind-powered electricity generation gear box torque arm processing usefulness at vertical machining center, including base 1, its characterized in that, base 1 is the disc, carousel 2 is installed to the wall on base 1, carousel 2 rotates and holds wall fixed mounting to have base 3, base 3 is the disc, base 3 profile diameter is greater than base 1 profile diameter, the piece of processing like this falls on base 3, conveniently get rid of, can not cause the influence to rotary device, install the basement rotary device in the base 1, base 1 lateral wall fixed mounting has a pair of L shape frame 4, a pair of torque arm clamping device is installed respectively to wall on a pair of L shape frame 4, the big intra-annular clamping device of torque arm is installed to the wall on base 3, the little ring elevating gear of torque arm is installed to the wall on base 3.
The basement rotary device comprises a basement rotating motor 5, the basement rotating motor 5 is fixedly installed in a base 1, a basement gear reducer 6 is fixedly installed in the base 1, the input end of the basement gear reducer 6 is fixedly connected to the driving end of the basement rotating motor 5, the output end of the basement gear reducer 6 is fixedly connected to the lower wall surface of a base 3, and the machining angle of the clamped torsion arm can be adjusted conveniently by controlling the rotation of the base 3.
Each torque arm clamping device comprises a clamping hydraulic cylinder 7, the clamping hydraulic cylinder 7 is fixedly installed on one upper wall face of each L-shaped frame 4, the telescopic end of each clamping hydraulic cylinder 7 is vertically upward, and the telescopic end of each clamping hydraulic cylinder 7 is fixedly provided with a clamping structure for lifting or lowering the height of each torque arm when the torque arm is clamped at two ends.
The clamping structure comprises a clamping hydraulic cylinder 8, the clamping hydraulic cylinder 8 is horizontally and fixedly installed on the telescopic end of the clamping hydraulic cylinder 7, the telescopic end of the clamping hydraulic cylinder 8 faces the direction of the circle center of the base 3, and a torsion arm overturning structure is installed at the telescopic end of the clamping hydraulic cylinder 8 and used for clamping a torsion arm, a large hole end of one end of the torsion arm is clamped, and a small hole end of the other end of the torsion arm is clamped.
The torque arm overturning structure comprises an overturning motor 9, the overturning motor 9 is fixedly installed at the telescopic end of a clamping hydraulic cylinder 8, the driving end of the overturning motor 9 faces downwards and is fixedly provided with an overturning driving bevel gear 10, the side wall surface of the overturning motor 9 is rotatably provided with an overturning shaft 11, one end of the overturning shaft 11 is fixedly provided with a V-shaped clamping block 12, the overturning shaft 11 is fixedly provided with an overturning driven bevel gear 13, the driving overturning bevel gear is meshed with the driven overturning bevel gear to be connected, after clamping, the torque arm overturning structure can be controlled by the overturning motor 9, and multi-angle processing such as inclining is performed.
Clamping device in torque arm bull ring includes layer board hydraulic lift cylinder 14, layer board hydraulic lift cylinder 14 fixed mounting is on base 3 the wall, layer board hydraulic lift cylinder 14 flexible end fixed mounting has lifting support plate 15, lifting support plate 15 goes up wall fixed mounting has interior bracket 16, interior bracket 16 is the cross, four slides have been seted up on the interior bracket 16, slidable mounting has centering claw 17 respectively in four slides, be used for when processing the outer fringe, perhaps when needing lower plane support, rise in order to hold up torque arm, be convenient for go up wall processing and outer fringe processing.
Threaded holes are formed in the four centering claws 17, four centering threaded rods 18 are rotatably mounted in the inner bracket 16 and are in threaded connection with the four centering claws 17, and the centering fixture is favorable for centering and clamping the torsion arm and is convenient for a machining center to set a tool.
The upper wall surface of the lifting supporting plate 15 is fixedly provided with a centering motor 19, the driving end of the centering motor 19 is fixedly provided with a centering driving bevel gear 20, one ends of four threaded rods are fixedly provided with centering driven bevel gears 21, the centering driving bevel gears 20 are meshed with the four centering driven bevel gears 21, and the synchronous opening and the synchronous retraction are controlled by the centering motor 19.
The torque arm small ring lifting device comprises a fixed cylinder 22, the fixed cylinder 22 is fixedly installed on the upper wall surface of the base 3, a lifting sleeve 23 is installed in the fixed cylinder 22 in a sliding mode, a circular truncated cone 24 is fixedly installed at the top end of the lifting sleeve 23, and the torque arm small hole end support is assisted.
Fixed mounting has auxiliary motor 25 in the fixed cylinder, auxiliary motor 25 drive end fixed mounting has supplementary drive bevel gear 26, the main shaft 27 is installed to the fixed cylinder internal rotation, fixed mounting has supplementary driven bevel gear 28 on the main shaft 27, supplementary drive bevel gear 26 is connected with the meshing of supplementary driven bevel gear 28, the external screw thread has been seted up on the main shaft 27, slidable mounting has thread bush 29 in the fixed cylinder, thread bush 29 and lifting sleeve 23 fixed connection, thread bush 29 and main shaft 27 threaded connection, be used for promoting and reducing the aperture end, this kind of screw thread elevation structure, a stability that highly unchangeable is used for keeping for a long time.
The detailed connection means is well known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
Example (b): as shown in fig. 1-8, the substrate rotating motor 5, the turning motor 9, the centering motor 19, and the auxiliary motor 25 are connected to an external controller and a power source through wires, and the clamping hydraulic cylinder 7, the clamping hydraulic cylinder 8, and the pallet lifting hydraulic cylinder 14 are connected to an external controller and a liquid source through pipes, first, when centering and clamping are required, the pallet lifting hydraulic cylinder 14 is controlled, its telescopic end is raised, the lifting pallet 15 is dragged to be raised, and the torque arm is placed on the inner bracket 16, at this time, the centering motor 19 drives the end to rotate, so that the centering driving bevel gear 20 rotates, the centering driving bevel gear 20 rotates to drive the four centering driven bevel gears 21 to rotate, and further drives the four centering threaded rods 18 to rotate, so that the centering claw 17 catches and holds up the torque arm, when auxiliary support is required, the auxiliary motor 25 rotates to drive the auxiliary driving bevel gear 26 to rotate, the auxiliary driving bevel gear 26 drives the auxiliary driven bevel gear 28 to rotate, the auxiliary driven bevel gear 28 drives the main shaft 27 to rotate, the threaded sleeve 29 is in splined connection with the fixed cylinder 22, so that the threaded sleeve 29 cannot rotate, and further is driven by the main shaft 27 to lift, so that the lifting sleeve 23 lifts, and further drives the circular truncated cone 24 to support the torque arm, when the torque arm needs to rotate, the base rotating motor 5 rotates, the base 3 is driven to rotate through the rotation of the output end of the base gear reducer 6, so that the torque arm rotates, when the outer ring needs to be clamped, the telescopic end of the clamping hydraulic cylinder 7 is adjusted, so that the V-shaped clamping block 12 is aligned with the large ring and the small ring of the torque arm, the telescopic end of the clamping hydraulic cylinder 8 extends, clamping and positioning are carried out, the telescopic end of the hydraulic cylinder keeps still, when the outer ring needs to be turned over, the height of the torque arm is increased, and the heights of the circular truncated cone 24 and the inner bracket 16 are reduced, the driving end of the overturning motor 9 rotates to drive the overturning driving bevel gear 10 to rotate, the overturning driving bevel gear 10 drives the overturning driven bevel gear 13 to rotate, the overturning shaft 11 is driven to rotate finally, and the overturning shaft 11 drives the V-shaped clamping block 12 to rotate to assist in overturning.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (10)
1. The utility model provides a clamping frock of wind-powered electricity generation gear box torque arm processing usefulness at vertical machining center, includes base (1), its characterized in that, base (1) is the disc, base (1) is gone up the wall and is installed carousel (2), carousel (2) rotate and serve wall fixed mounting have base (3), base (3) are the disc, base (3) profile diameter is greater than base (1) profile diameter, install basement rotary device in base (1), base (1) lateral wall face fixed mounting has a pair of L shape frame (4), and is a pair of torque arm clamping device is installed respectively to wall on L shape frame (4), the interior clamping device of torque arm is installed to wall on base (3), torque arm ringlet elevating gear is installed to wall on base (3).
2. The clamping tool for machining the torsion arm of the wind power gear box in the vertical machining center according to claim 1, wherein the base rotating device comprises a base rotating motor (5), the base rotating motor (5) is fixedly installed in the base (1), a base gear reducer (6) is fixedly installed in the base (1), the input end of the base gear reducer (6) is fixedly connected to the driving end of the base rotating motor (5), and the output end of the base gear reducer (6) is fixedly connected to the lower wall surface of the base (3).
3. The clamping tool for machining the torsion arm of the wind power gear box in the vertical machining center according to claim 2, wherein each of the pair of torsion arm clamping devices comprises a clamping hydraulic cylinder (7), the clamping hydraulic cylinder (7) is fixedly installed on an upper wall surface of one of the pair of L-shaped frames (4), the telescopic end of the clamping hydraulic cylinder (7) is vertically upward, and a clamping structure is fixedly installed at the telescopic end of the clamping hydraulic cylinder (7).
4. The clamping tool for the machining of the torsion arm of the wind power gear box in the vertical machining center according to claim 3, wherein the clamping structure comprises a clamping hydraulic cylinder (8), the clamping hydraulic cylinder (8) is horizontally and fixedly mounted at the telescopic end of the clamping hydraulic cylinder (7), the telescopic end of the clamping hydraulic cylinder (8) faces the direction of the circle center of the base (3), and the telescopic end of the clamping hydraulic cylinder (8) is provided with a torsion arm overturning structure.
5. The clamping tool for machining the torsion arm of the wind power gear box at the vertical machining center according to claim 4, wherein the torsion arm overturning structure comprises an overturning motor (9), the overturning motor (9) is fixedly installed at a telescopic end of a clamping hydraulic cylinder (8), a driving end of the overturning motor (9) faces downwards and is fixedly provided with an overturning driving bevel gear (10), a side wall surface of the overturning motor (9) is rotatably provided with an overturning shaft (11), one end of the overturning shaft (11) is fixedly provided with a V-shaped clamping block (12), the overturning shaft (11) is fixedly provided with an overturning driven bevel gear (13), and the driving overturning bevel gear is meshed with the driven overturning bevel gear.
6. The clamping tool for machining the torsion arm of the wind power gearbox at the vertical machining center according to claim 5, wherein the clamping device comprises a supporting plate lifting hydraulic cylinder (14), the supporting plate lifting hydraulic cylinder (14) is fixedly mounted on the upper wall surface of the base (3), a lifting supporting plate (15) is fixedly mounted at the telescopic end of the supporting plate lifting hydraulic cylinder (14), an inner bracket (16) is fixedly mounted on the upper wall surface of the lifting supporting plate (15), the inner bracket (16) is cross-shaped, four slide ways are formed in the inner bracket (16), and four centering claws (17) are slidably mounted in the slide ways respectively.
7. The clamping tool for machining the torsion arm of the wind power gearbox in the vertical machining center according to claim 6, wherein threaded holes are formed in four centering claws (17), four centering threaded rods (18) are rotatably mounted in the inner bracket (16), and the four threaded rods are in threaded connection with the four centering claws (17).
8. The clamping tool for machining the torsion arm of the wind power gearbox in the vertical machining center according to claim 7, wherein a centering motor (19) is fixedly mounted on the upper wall surface of the lifting supporting plate (15), a centering drive bevel gear (20) is fixedly mounted at a driving end of the centering motor (19), centering driven bevel gears (21) are fixedly mounted at one ends of the four threaded rods, and the centering drive bevel gears (20) are in meshed connection with the four centering driven bevel gears (21).
9. The clamping tool for machining the torsion arm of the wind power gearbox in the vertical machining center according to claim 8, wherein the torsion arm small ring lifting device comprises a fixed cylinder (22), the fixed cylinder (22) is fixedly installed on the upper wall surface of the base (3), a lifting sleeve (23) is installed in the fixed cylinder (22) in a sliding mode, and a circular truncated cone (24) is fixedly installed at the top end of the lifting sleeve (23).
10. The clamping tool for machining the torsion arm of the wind power gearbox in the vertical machining center according to claim 9, wherein an auxiliary motor (25) is fixedly installed in the fixed cylinder, an auxiliary driving bevel gear (26) is fixedly installed at a driving end of the auxiliary motor (25), a main shaft (27) is rotatably installed in the fixed cylinder, an auxiliary driven bevel gear (28) is fixedly installed on the main shaft (27), the auxiliary driving bevel gear (26) is meshed with the auxiliary driven bevel gear (28), an external thread is formed in the main shaft (27), a threaded sleeve (29) is slidably installed in the fixed cylinder, the threaded sleeve (29) is fixedly connected with a lifting sleeve (23), and the threaded sleeve (29) is in threaded connection with the main shaft (27).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211452973.XA CN115647870A (en) | 2022-11-21 | 2022-11-21 | Clamping tool for machining torsion arm of wind power gear box at vertical machining center |
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CN202211452973.XA CN115647870A (en) | 2022-11-21 | 2022-11-21 | Clamping tool for machining torsion arm of wind power gear box at vertical machining center |
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CN202211452973.XA Pending CN115647870A (en) | 2022-11-21 | 2022-11-21 | Clamping tool for machining torsion arm of wind power gear box at vertical machining center |
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Citations (6)
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CN205290454U (en) * | 2015-11-27 | 2016-06-08 | 徐州徐工传动科技有限公司 | Combination positioning mechanism of hydraulic control liftable |
CN110774037A (en) * | 2019-11-10 | 2020-02-11 | 衡阳和富铜业有限公司 | Fixing equipment for brass processing |
CN210419160U (en) * | 2019-09-02 | 2020-04-28 | 张华伟 | Automobile tire turning device |
CN212945637U (en) * | 2020-09-16 | 2021-04-13 | 安徽钰桥精密自动化机械有限公司 | Fixture for milling equal-graduation surface of small head of engine connecting rod |
CN216098529U (en) * | 2021-09-29 | 2022-03-22 | 天津市平峰轮胎保护链有限公司 | Automobile tire maintenance fixing device |
CN217019411U (en) * | 2022-01-21 | 2022-07-22 | 苏州辰旻机械科技有限公司 | Clamp for machining crankshaft connecting rod |
-
2022
- 2022-11-21 CN CN202211452973.XA patent/CN115647870A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205290454U (en) * | 2015-11-27 | 2016-06-08 | 徐州徐工传动科技有限公司 | Combination positioning mechanism of hydraulic control liftable |
CN210419160U (en) * | 2019-09-02 | 2020-04-28 | 张华伟 | Automobile tire turning device |
CN110774037A (en) * | 2019-11-10 | 2020-02-11 | 衡阳和富铜业有限公司 | Fixing equipment for brass processing |
CN212945637U (en) * | 2020-09-16 | 2021-04-13 | 安徽钰桥精密自动化机械有限公司 | Fixture for milling equal-graduation surface of small head of engine connecting rod |
CN216098529U (en) * | 2021-09-29 | 2022-03-22 | 天津市平峰轮胎保护链有限公司 | Automobile tire maintenance fixing device |
CN217019411U (en) * | 2022-01-21 | 2022-07-22 | 苏州辰旻机械科技有限公司 | Clamp for machining crankshaft connecting rod |
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Application publication date: 20230131 |