CN113266650B - High-horsepower tractor clutch - Google Patents
High-horsepower tractor clutch Download PDFInfo
- Publication number
- CN113266650B CN113266650B CN202110724216.2A CN202110724216A CN113266650B CN 113266650 B CN113266650 B CN 113266650B CN 202110724216 A CN202110724216 A CN 202110724216A CN 113266650 B CN113266650 B CN 113266650B
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- Prior art keywords
- clutch
- friction
- spring
- piece
- clamping groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/385—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs double clutches, i.e. comprising two friction disc mounted on one driven shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/40—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which the or each axially-movable member is pressed exclusively against an axially-located member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
- F16D13/71—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members in which the clutching pressure is produced by springs only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention relates to the technical field of tractor accessories, in particular to a high-horsepower tractor clutch, which comprises an input shaft; the flywheel is bonded on the input shaft and drives the input shaft to rotate; the clutch covers are respectively arranged on the input shafts on two sides of the flywheel; the clutch gland is detachably mounted on each clutch cover, and the clutch covers and the clutch glands form accommodating cavities; the output shaft is horizontally arranged at the center of the clutch gland; a friction assembly detachably disposed in the receiving cavity by a separating mechanism. The device has simple structure and avoids the problem that the tractor cannot control the speed once the clutch friction disc damages the tractor.
Description
Technical Field
The invention relates to the technical field of tractor accessories, in particular to a high-horsepower tractor clutch.
Background
With the development of society, four-wheel tractors are commonly used in rural areas, and great convenience is provided for agricultural development and transportation in rural areas. The clutch of tractor force acts between the engine and the reducer, the engine transmits torque to the knife clutch, and the clutch is transmitted to the transmission. And the tractor can not control the speed once the friction disc of the clutch is damaged because the large-horsepower tractor rotating speed block has large torque and can cause serious abrasion of the clutch, thereby shortening the service life of the product.
Disclosure of Invention
In order to solve the technical problems, the invention provides a clutch of a high-horsepower tractor.
A tractor clutch comprising an input shaft;
the flywheel is bonded on the input shaft and drives the input shaft to rotate;
the clutch covers are respectively arranged on the input shafts on two sides of the flywheel;
the clutch gland is detachably mounted on each clutch cover, and the clutch covers and the clutch glands form accommodating cavities;
the output shaft is horizontally arranged at the center of the clutch gland;
a friction assembly detachably disposed in the receiving cavity by a separating mechanism.
Preferably, the friction assembly includes a first friction member mounted on the input shaft and a second friction member mounted on the output shaft, and the first friction member may contact or be separated from the second friction member.
Preferably, first friction spare includes the friction disc, goes up installation piece, connecting piece, torsion spring and installation piece down, down the installation piece with the friction disc is the disc form, down the installation piece is installed through a plurality of the connecting piece in the friction disc, go up installation piece slidable setting and be in down on the installation piece, go up the installation piece with be equipped with at least three between the installation piece down the torsion spring.
Preferably, the up end of installation piece is equipped with at least three first piece that stops down, it leads to the groove to be equipped with at least three installation on the installation piece, the one end that the groove was led to in the installation is equipped with the second and stops, first stop with the second stops and is relative position, the torsion spring is in first stop with the second stops between the piece, and is located between the groove is led to in the installation.
Preferably, the upper end surface of the lower mounting piece is provided with at least three arc-shaped sliding grooves, and the lower end surface of the upper mounting piece is provided with at least three bulges matched with the arc-shaped sliding grooves.
Preferably, the separating mechanism comprises a pressing rod, a pressing plate, a telescopic spring, a diaphragm spring and a connecting pin, the diaphragm spring is integrally in a circular plate shape and is located in the accommodating cavity and sleeved on the output shaft, the end part of the diaphragm spring is fixed on the second friction piece, the middle part of the clutch gland is connected to the diaphragm spring through the connecting pin, the clutch gland close to the output shaft is provided with the pressing rod, the end part of the pressing rod props against the diaphragm spring through the pressing plate, and the telescopic spring is sleeved on the pressing rod between the pressing plate and the clutch gland.
Preferably, the clutch cover is detachably mounted on the clutch cover by a locking member.
Preferably, the locking part includes a first telescopic rod, a first expansion spring, a second telescopic rod and a second expansion spring, the end of the clutch cover is provided with a first mounting groove matched with the end of the clutch cover, the end of the clutch cover is provided with a first spring groove, the first telescopic rod is telescopically mounted on the clutch cover, one end of the first telescopic rod is mounted in the first spring groove, the other end of the first telescopic rod extends out of the clutch cover and is perpendicular to the direction of the first mounting groove, a first clamping groove and a second clamping groove are arranged on the clutch cover, the diameter of the second clamping groove is larger than that of the first clamping groove, the first clamping groove is communicated with the first mounting groove, the second clamping groove is communicated with the accommodating cavity, the second telescopic rod is arranged in the second clamping groove, a mounting ring block is arranged at the joint of the first clamping groove and the second clamping groove on the second telescopic rod, a second expansion spring is arranged between the joint, and the second expansion spring is sleeved on the second telescopic rod.
The invention relates to a high-horsepower tractor clutch, which has the beneficial effects that: 1. two sides of the flywheel are respectively provided with a friction component, and when one of the friction components is damaged, the use of the whole clutch is not influenced; 2. the input shaft firstly transmits the driving force to the upper mounting plate, and when the first friction piece is contacted with the friction plate, the friction stress is transmitted to the torsion spring, so that the service life of the friction assembly can be prolonged; 3. the clutch gland is detachably arranged on the clutch gland through the locking component, so that the parts can be conveniently maintained or replaced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 2 is a schematic view of a first friction member of the apparatus of the present invention;
FIG. 3 is a schematic view of the upper mounting plate of the apparatus of the present invention;
FIG. 4 is a schematic view of the construction of the lower mounting plate of the apparatus of the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 1;
description of the drawings: 1. an input shaft; 2. a flywheel; 3. a clutch cover; 4. a clutch cover; 6. an accommodating cavity; 7. an output shaft; 8. a first friction member; 81. a friction plate; 82. a lower mounting piece; 821. a first blocking member; 822. a circular arc chute; 83. a connecting member; 84. a torsion spring; 85. mounting a sheet; 851. installing a through groove; 852. a second blocking member; 853. a protrusion; 9. a second friction member; 10. a locking member; 101. a first telescopic rod; 102. a first extension spring; 103. a second telescopic rod; 104. a second extension spring; 11. a first mounting groove; 12. a first spring groove; 13. a first card slot; 14. a second card slot; 11. a separating mechanism; 111. a pressure lever; 112. tabletting; 113. a tension spring; 115. a connecting pin; 116. a diaphragm spring.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
As shown in fig. 1 to 5, a tractor clutch includes an input shaft 1, a flywheel 2 bonded to the input shaft 1 for driving the input shaft 1 to rotate, one clutch cover 3 mounted on each of the input shaft 1 on both sides of the flywheel 2, a detachable clutch cover 4 mounted on each clutch cover 3, a receiving cavity 6 formed by the clutch covers 3 and 4, an output shaft 7 horizontally mounted at a central position of the clutch cover 4, and a friction assembly detachably disposed in the receiving cavity 6 by a separating mechanism 10.
The engine drives the flywheel 2 to rotate through the meshing between the gears, and different states of the friction assembly are controlled, so that the rotation of the output shaft 7 can be controlled, and the power of the engine is transmitted to the gearbox. Two sides of the flywheel 2 are respectively provided with a friction component, and when one of the friction components is damaged, the use of the whole clutch is not influenced.
The friction assembly comprises a first friction member 8 and a second friction member 9, the first friction member 8 is mounted on the input shaft 1, the second friction member 9 is mounted on the output shaft 7, and the first friction member 8 can contact with or separate from the second friction member 9. When the first friction piece 8 and the second friction piece 9 are in contact, the input shaft 1 rotates to drive the output shaft 7 to rotate, when the first friction piece 8 and the second friction piece 9 are separated, the input shaft 1 cannot drive the output shaft 7 to rotate, and the engine cannot transmit power to the gearbox.
First friction spare includes friction disc 81, lower installation piece 82, connecting piece 83, torsion spring 84 and goes up installation piece 85, lower installation piece 82 with friction disc 81 is the disc form, installation piece 82 is through a plurality of down the connecting piece 83 is installed in the friction disc 81, it sets up to go up installation piece 85 slidable 82 down, go up installation piece 85 with be equipped with at least three between the installation piece 82 down torsion spring 84. The upper end surface of the lower mounting plate 82 is provided with at least three first blocking parts 821, the upper mounting plate 85 is provided with at least three mounting through grooves 851, one end of each mounting through groove 851 is provided with a second blocking part 852, the first blocking parts 821 and the second blocking parts 852 are in opposite positions, and the torsion spring 84 is positioned between the first blocking parts 821 and the second blocking parts 852 and between the mounting through grooves 851. The upper end surface of the lower mounting piece 82 is provided with at least three circular arc sliding grooves 822, and the lower end surface of the upper mounting piece 82 is provided with at least three protrusions 853 matched with the circular arc sliding grooves 822. When the first friction member 8 rotates at a high speed, the second friction member 9 and the first friction member 8 contact with each other to generate a considerable friction stress, which directly affects the service life of the friction assembly. The input shaft 1 first transmits a driving force to the upper mounting plate 82 and transmits a frictional stress to the torsion spring 84 when the second friction member 85 is in contact with the friction plate 81, so that the life span of the friction assembly can be increased. When the upper mounting plate 82 and the lower mounting plate 85 rotate in a buffering manner, the protrusion 822 is matched with the circular arc chute 853, so that the second friction piece 9 and the friction plate 81 are ensured to rotate relatively according to a specified path.
The separating mechanism 11 includes a pressing rod 111, a pressing plate 112, a telescopic spring 113, a diaphragm spring 116 and a connecting pin 115, the diaphragm spring 116 is in a circular sheet shape as a whole, is located in the accommodating cavity 6 and is sleeved on the output shaft 7, the end of the diaphragm spring 116 is fixed on the second friction member 9, the middle part of the clutch gland 4 is connected to the diaphragm spring 116 through the connecting pin 115, the pressing rod 111 is arranged on the clutch gland 4 close to the output shaft 7, the end of the pressing rod 111 is pressed against the diaphragm spring 116 through the pressing plate 112, and the telescopic spring 113 is sleeved on the pressing rod 111 between the pressing plate 112 and the clutch gland 4. When the first friction piece 8 and the second friction piece 9 need to be separated, the pressure rod 111 transmits pressure to the diaphragm spring 116 through the pressure sheet 112, and the diaphragm spring 116 separates the first friction piece 8 from the second friction piece 9 under the action of the connecting pin 115; when the pressure on the pressing rod 111 is removed, the first friction member 8 is restored to the initial position by the expansion spring 113, and the first friction member 8 and the second friction member 9 are contacted.
The clutch cover 4 is detachably mounted on the clutch cover 3 through a locking member 10, thereby facilitating maintenance or replacement of parts. The locking part 10 comprises a first telescopic rod 101, a first telescopic spring 102, a second telescopic rod 103 and a second telescopic spring 104, the end of the clutch cover 3 is provided with a first mounting groove 11 matched with the end of the clutch cover 4, the end of the clutch cover 4 is provided with a first spring groove 12, the first telescopic rod 101 is telescopically mounted on the clutch cover 4, one end of the first telescopic rod is mounted in the first spring groove 12 through the first telescopic spring 102, the other end of the first telescopic rod extends out of the clutch cover 4 and is perpendicular to the direction of the first mounting groove 11, a first clamping groove 13 and a second clamping groove 14 are arranged on the clutch cover 3, the diameter of the second clamping groove 14 is larger than that of the first clamping groove 13, the first clamping groove 13 is communicated with the first mounting groove 11, the second clamping groove 14 is communicated with the accommodating cavity 6, the second telescopic rod 103 is telescopically configured in the second clamping groove 14, a mounting ring block is arranged on the second telescopic rod 103 near the joint of the first clamping groove 13 and the second clamping groove 14, a sleeving block is arranged between the mounting ring 103 and the second telescopic spring 104. During installation, the end of the clutch cover 4 is inserted into the first installation groove 11, and the first telescopic rod 101 can be clamped into the first clamping groove 13 under the action of the first telescopic spring 102, so that the clutch cover 4 is locked on the clutch cover 3. When the clutch cover is disassembled, the second telescopic rod 104 is pressed, and the second telescopic rod 103 can push the first telescopic rod 101 out of the first clamping groove 13, so that the clutch cover 4 can be pulled out. The mounting ring block plays a limiting role, and the second telescopic rod 103 can be pushed out of the first clamping groove 13 until the second telescopic rod is pressed to be fixed. After the pressing is completed, the second telescopic rod 103 can be restored to the initial position under the action of the second telescopic spring 104.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (5)
1. A clutch for a high-horsepower tractor is characterized by comprising an input shaft;
the flywheel is bonded on the input shaft and drives the input shaft to rotate;
the clutch covers are respectively arranged on the input shafts on two sides of the flywheel;
the clutch gland is detachably mounted on each clutch cover, the clutch covers and the clutch glands form accommodating cavities, and the clutch glands are detachably mounted on the clutch covers through locking parts;
the output shaft is horizontally arranged at the center of the clutch gland;
the friction assembly is detachably arranged in the accommodating cavity through a separating mechanism and comprises a first friction assembly and a second friction assembly;
the first friction assembly and the second friction assembly respectively comprise a first friction piece and a second friction piece, the first friction piece is installed on the input shaft, the second friction piece is installed on the output shaft, and the first friction piece can be contacted with or separated from the second friction piece;
first friction part includes the friction disc, goes up installation piece, connecting piece, torsion spring and installation piece down, down the installation piece with the friction disc is the disc form, the installation piece is installed through a plurality of down the connecting piece in the friction disc, it sets up to go up installation piece slidable down on the installation piece, go up the installation piece with be equipped with at least three down between the installation piece the torsion spring.
2. The clutch for a high-horsepower tractor according to claim 1, wherein the upper end surface of the lower mounting plate is provided with at least three first stoppers, the upper mounting plate is provided with at least three mounting through grooves, one end of the mounting through grooves is provided with a second stopper, the first stopper and the second stopper are in opposite positions, and the torsion spring is located between the first stopper and the second stopper and between the mounting through grooves.
3. The clutch for the high-horsepower tractor according to claim 2, wherein the upper end surface of the lower mounting plate is provided with at least three circular arc-shaped sliding grooves, and the lower end surface of the upper mounting plate is provided with at least three protrusions matching with the circular arc-shaped sliding grooves.
4. The clutch for the high-horsepower tractor according to claim 1, wherein the separating mechanism includes a pressing rod, a pressing plate, a flexible spring, a diaphragm spring and a connecting pin, the diaphragm spring is integrally in a circular plate shape and is located in the accommodating cavity and sleeved on the output shaft, an end of the diaphragm spring is fixed on the second friction member, a middle portion of the clutch cover is connected to the diaphragm spring through the connecting pin, the pressing rod is arranged on the clutch cover close to the output shaft, an end of the pressing rod abuts against the diaphragm spring through the pressing plate, and the flexible spring is sleeved on the pressing rod between the pressing plate and the clutch cover.
5. The clutch for the high-horsepower tractor according to claim 1, wherein the locking member includes a first telescopic rod, a first telescopic spring, a second telescopic rod and a second telescopic spring, an end of the clutch cover is provided with a first mounting groove matched with an end of the clutch cover, an end of the clutch cover is provided with a first spring groove, the first telescopic rod is telescopically mounted on the clutch cover, one end of the first telescopic rod is mounted in the first spring groove through the first telescopic spring, the other end of the first telescopic rod extends out of the clutch cover, the clutch cover in a direction perpendicular to the first mounting groove is provided with a first clamping groove and a second clamping groove, a diameter of the second clamping groove is larger than that of the first clamping groove, the first clamping groove is communicated with the first mounting groove, the second clamping groove is communicated with the accommodating cavity, the second telescopic rod is telescopically arranged in the second clamping groove, a mounting ring is arranged on the second telescopic rod near a connection of the first clamping groove and the second clamping groove, a second telescopic spring is arranged between the mounting ring and the second telescopic spring is sleeved on the second telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724216.2A CN113266650B (en) | 2021-06-29 | 2021-06-29 | High-horsepower tractor clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724216.2A CN113266650B (en) | 2021-06-29 | 2021-06-29 | High-horsepower tractor clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113266650A CN113266650A (en) | 2021-08-17 |
| CN113266650B true CN113266650B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110724216.2A Active CN113266650B (en) | 2021-06-29 | 2021-06-29 | High-horsepower tractor clutch |
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| CN (1) | CN113266650B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653743A (en) * | 2021-08-20 | 2021-11-16 | 长春一东离合器股份有限公司苏州研发中心 | Clutch with shock-absorbing function |
Citations (1)
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|---|---|---|---|---|
| CN208578901U (en) * | 2018-06-07 | 2019-03-05 | 江苏名豪汽车零部件有限公司 | A kind of high-performance clutch of good heat dissipation effect |
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| JP3907372B2 (en) * | 2000-03-22 | 2007-04-18 | 株式会社エクセディ | Clutch device |
| FR2922619B1 (en) * | 2007-10-17 | 2010-03-19 | Valeo Embrayages | HYDROKINETIC COUPLING DEVICE COMPRISING A MULTI-DISC LATCH CLUTCH EQUIPPED WITH ELASTIC CIRCONFERENTIAL PRECONTRAIN MEANS |
| JP4577351B2 (en) * | 2007-11-29 | 2010-11-10 | トヨタ自動車株式会社 | Torque fluctuation absorber |
| EP2326852B1 (en) * | 2008-08-22 | 2014-10-08 | Schaeffler Technologies GmbH & Co. KG | Driveline with dual clutch |
| DE102010048830A1 (en) * | 2009-10-29 | 2011-05-12 | Schaeffler Technologies Gmbh & Co. Kg | A clutch unit |
| KR101180599B1 (en) * | 2010-06-29 | 2012-09-06 | 주식회사평화발레오 | Dry Double Clutch provided with a support member for a diaphragm |
| JP2012255502A (en) * | 2011-06-09 | 2012-12-27 | Toyota Motor Corp | Torsional vibration damping device |
| DE102012212174A1 (en) * | 2011-08-05 | 2013-02-07 | Schaeffler Technologies AG & Co. KG | A clutch unit |
| CN103216542B (en) * | 2013-04-11 | 2015-12-02 | 陕西法士特齿轮有限责任公司 | Heavy-duty commercial vehicle dual-clutch transmission two clutch modules of single release bearing |
| DE102013215582A1 (en) * | 2013-08-07 | 2015-02-12 | Schaeffler Technologies Gmbh & Co. Kg | Torque transmission device and plug connection for this |
| CN208990603U (en) * | 2018-09-11 | 2019-06-18 | 镇江德马化工有限公司 | A kind of leather agent high speed disperser blender |
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| US10808777B2 (en) * | 2018-11-09 | 2020-10-20 | Honda Motor Co., Ltd. | Friction engagement device |
| CN211693296U (en) * | 2019-12-25 | 2020-10-16 | 大连恒川汽车零部件有限公司 | Automobile clutch pressure plate |
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2021
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|---|---|---|---|---|
| CN208578901U (en) * | 2018-06-07 | 2019-03-05 | 江苏名豪汽车零部件有限公司 | A kind of high-performance clutch of good heat dissipation effect |
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| Title |
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| 膜片弹簧离合器故障诊断及改进分析;张隽;《时代汽车》;20180605(第06期);全文 * |
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| CN113266650A (en) | 2021-08-17 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high-power tractor clutch Effective date of registration: 20230714 Granted publication date: 20221025 Pledgee: Yancheng Tinghu District Financing Guarantee Co.,Ltd. Pledgor: JIANGSU MENSCH AUTO PARTS CO.,LTD. Registration number: Y2023980048293 |
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