CN201884506U - Tractor load reversing clutch device - Google Patents
Tractor load reversing clutch device Download PDFInfo
- Publication number
- CN201884506U CN201884506U CN2010206368989U CN201020636898U CN201884506U CN 201884506 U CN201884506 U CN 201884506U CN 2010206368989 U CN2010206368989 U CN 2010206368989U CN 201020636898 U CN201020636898 U CN 201020636898U CN 201884506 U CN201884506 U CN 201884506U
- Authority
- CN
- China
- Prior art keywords
- clutch
- shaft
- input gear
- plunger
- oilhole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
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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
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to a tractor load reversing clutch device, which mainly comprises a clutch shaft, a left input gear, clutch hubs, clutch pressure plates, clutch friction plates, disengaging springs, anti-friction blocks, clutch pistons, clutch housings and a right input gear, wherein the left input gear, the clutch hubs and the clutch pistons are arranged at the left half part of the clutch shaft in sequence to form a left clutch F, wherein the left input gear and the clutch pistons are in muff coupling with the clutch shaft; the clutch hubs are fixedly connected with the clutch shaft; the clutch pistons, the clutch hubs and the right input gear are arranged at the right half part of the clutch shaft in sequence to form a right clutch R, wherein the left input gear and the clutch pistons are in the muff coupling with the clutch shaft, and the clutch hubs are fixedly connected with the clutch shaft. The device comprises the left clutch and the right clutch, and control modes of pressure oil ways are different, thus, the service life of the clutch is prolonged. Under the action of the disengaging springs, the inclined plane on the clutch shaft is abutted with the inclined plane on the pistons to take the automatic sealing action, and thereby, the dragging moments of the clutches are reduced.
Description
Technical field
The utility model belongs to the tractor field, relates to a kind of tractor clutch device, relates in particular to the load-commutated clutch device of a kind of tractor.
Background technique
At present, the large power wheel tractor gearbox that China produces, its mechanical changeover modes such as sliding gear, engagement cover, synchronizer that adopt of reversing gear are carried out the switching of tractor direction of travel more.Need first cut-off clutch to cut off engine power during tractor conversion direction of travel, carry out the switching of corresponding gear then, gearshift is slower like this, influences operating efficiency.And the load-commutated gearbox of the many employings of external large power wheel tractor, promptly forward gear, the retaining that falls back need not cut off engine power when switching and directly carry out gear shift operation, gearshift efficient height.
Tractor will be realized the load-commutated necessary corresponding reverse clutch of installing, reverse clutch mostly is multi-disc wet clutch, according to the position of installing and the difference of control mode, mainly contain two kinds of structural types: a kind of is to adopt the Gear Planet Transmission train, by wet clutch braking or loosen the train member, sense of rotation is changed; Another kind is to adopt two series connection clutches, is installed on the engine flywheel, and the hollow shaft by mutually nested imports power into gearbox.The reverse clutch axial dimension of above-mentioned two kinds of patterns is less, relatively saves the space, but its structure is comparatively complicated, and the technology manufacture difficulty is bigger, and cost is higher.
The model utility content
The purpose of this utility model is to provide the load-commutated clutch device of tractor of a kind of simple in structure, low cost of manufacture, convenient operation and control.
The technical solution of the utility model is: the load-commutated clutch device of tractor mainly comprises: clutch shaft, left side input gear, clutch hub, clutch compressing disc, clutch friction plate, release spring, anti-attrition piece, clutch plunger, clutch housing, right input gear; Left side input gear, clutch hub, clutch plunger are installed in the clutch shaft left side successively, constitute left clutch F, wherein left side input gear and clutch plunger and clutch shaft socket, and clutch hub and clutch shaft are affixed; Clutch plunger, clutch hub, right input gear are installed in the clutch shaft right-hand part successively, constitute right clutch R, wherein right input gear and clutch plunger and clutch shaft socket, and clutch hub and clutch shaft are affixed.
The clutch shaft middle part is processed with cylindrical flange, left clutch F and right clutch R are about the flange bilateral symmetry of clutch shaft, clutch compressing disc links to each other successively with clutch friction plate in left clutch F and right clutch R, and clutch compressing disc and clutch hub keyed jointing, clutch friction plate and clutch housing keyed jointing; Release spring and anti-attrition piece are combined and are installed in the along the circumferential direction uniform clutch wheel hub bore, and wherein the anti-attrition piece withstands on the clutch plunger.
Clutch shaft is drilled with oilhole A, left clutch control oilhole B vertically and right clutch is controlled oilhole C totally three holes, and oilhole A, left clutch control oilhole B and right clutch control oilhole C are not connected, and wherein oilhole A is positioned at the axle center.
Be processed with an inclined-plane on the surface of contact of clutch shaft and clutch plunger, the corresponding site of clutch plunger also is processed with the inclined-plane of equal angular.Totally two of clutch housings, one is welded on the left side input gear, and another is welded on the right input gear.
The utility model can reach following beneficial effect:
The load-commutated clutch device of tractor is divided into left and right two clutches, respectively by the control of different pressure oil circuit, makes each clutch only need be engaged in a kind of work (as be responsible for specially advance or be responsible for falling back), the life-span of having improved clutch greatly.Left and right clutch lays respectively at the both sides of clutch shaft and about the flange bilateral symmetry, arranges compactly, has saved axial space, is convenient to the layout of lubricant oil and pressure oil pipeline simultaneously.Be in simultaneously outside left side input gear and the right input gear, the corresponding part that constitutes left clutch and right clutch is same part, has reduced the manufacture cost of clutch.Release spring withstands on the clutch plunger by the anti-attrition piece in addition, and centrifugal force is to the twisting action of release spring when having reduced the clutch plunger rotation, and the possibility that release spring is damaged reduces greatly.Be processed with the inclined-plane of working in coordination on clutch shaft and the clutch plunger, under the effect of control oil pressure, piston moves, two inclined-planes separate, and lubricant oil flows out lubricated clutch friction plate from the inclined-plane, under the effect of release spring power, two inclined-planes are adjacent to, play automatic seal action, cut off the lubricated oil supplying of clutch friction plate, reduced the moment that drags of clutch.
Description of drawings
Accompanying drawing is the load-commutated clutch device structure figure of the utility model tractor.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.As accompanying drawing, shown in, the load-commutated clutch device of tractor comprises clutch shaft 1, left side input gear 2, clutch hub 3, clutch compressing disc 4, clutch friction plate 5, release spring 6, anti-attrition piece 7, clutch plunger 8, clutch housing 9, right input gear 10.Left side input gear 2, clutch hub 3, clutch plunger 8 are installed in clutch shaft 1 left side successively, constitute left clutch F, and wherein gear 2 and clutch plunger 8 and clutch shaft 1 socket are imported in a left side, and clutch hub 3 is affixed with clutch shaft 1.Clutch plunger 8, clutch hub 3, right input gear 10 are installed in clutch shaft 1 right-hand part successively, constitute right clutch R, wherein right input gear 10 and clutch plunger 8 and clutch shaft 1 socket, and clutch hub 3 is affixed with clutch shaft 1.Clutch shaft 1 middle part is processed with cylindrical flange, and clutch plunger 8 can slide on flange under the effect of pressure oil, compresses clutch compressing disc 4 and clutch friction plate 5.Left clutch F and right clutch R are about the flange bilateral symmetry of clutch shaft 1.Clutch compressing disc 4 links to each other successively with clutch friction plate 5 in left clutch F and right clutch R, and clutch compressing disc 4 and clutch hub 3 keyed jointings, clutch friction plate 5 and clutch housing 10 keyed jointings.Release spring 6 is combined with anti-attrition piece 7 and is installed in along the circumferential direction uniform clutch hub 3 holes, and wherein anti-attrition piece 7 withstands on the clutch plunger 8.
Clutch shaft 1 is drilled with oilhole A, left clutch control oilhole B vertically and right clutch is controlled oilhole C totally three holes, oilhole A, left clutch control oilhole B and right clutch control oilhole C are not connected, wherein oilhole A is positioned at the axle center, lubricant oil is provided for each clutch and bearing.
Be processed with an inclined-plane on the surface of contact of clutch shaft 1 and clutch plunger 8, the corresponding site of clutch plunger 8 also is processed with the inclined-plane of equal angular.Under the effect of release spring 6, the inclined-plane on clutch shaft 1 ramp and the clutch plunger 8 can fit tightly.
Totally two of clutch housings 9, one is welded on the left side input gear 2, and another is welded on the right input gear 10.
According to driver's control command, left clutch F and right clutch R can be respectively in conjunction with or separate, make engine power to be delivered to clutch shaft 1 output from left side input gear 2 or right input gear 10 both directions respectively.
Left clutch F combination: according to driver's control command, pressure oil enters left clutch F from left clutch control oilhole B, the clutch plunger 8 that promotes among the left clutch F is moved to the left, and compresses clutch compressing disc 4 and clutch friction plate 5 among the left clutch F successively, makes left clutch F combination.Simultaneously being moved to the left also of clutch plunger 8 makes release spring 6 be in confined state by anti-attrition piece 7, and clutch shaft 1 separates with inclined-plane on the clutch plunger 8, and lubricant oil flows into to left clutch F and bearing from oilhole A lubricant oil is provided.At this moment, engine power can be imported gear 2 by a left side and exports after left clutch F is delivered to clutch shaft 1.
Left clutch F separates: when the driver closes after the pressure oil supply of left clutch F, left clutch F pressure oil circuit pressure is reduced to zero, this moment, the clutch plunger among the left clutch F 8 under the effect of release spring 6 spring forces moved right, unclamp clutch compressing disc 4 and clutch friction plate 5 among the left clutch F successively, make left clutch F separate, clutch shaft 1 is fitted mutually with the inclined-plane on the clutch plunger 8 simultaneously, has cut off lubricant oil lubricating left clutch F.At this moment, engine power can not be imported gear 2 by a left side and be delivered to clutch shaft 1 through left clutch F.
Right clutch R combination: according to driver's control command, pressure oil enters right clutch R from right clutch control oilhole C, the clutch plunger 8 that promotes among the right clutch R moves right, and compresses clutch compressing disc 4 and clutch friction plate 5 among the right clutch R successively, makes right clutch R combination.Simultaneously moving right of clutch plunger 8 also makes release spring 6 be in confined state by anti-attrition piece 7, and clutch shaft 1 separates with inclined-plane on the clutch plunger 8, and lubricant oil flows into to right clutch R and bearing from oilhole A lubricant oil is provided.At this moment, engine power can be imported gear 10 by the right side and exports after right clutch R is delivered to clutch shaft 1.
Right clutch R separates: when the driver closes after the pressure oil supply of right clutch R, right clutch R pressure oil circuit pressure is reduced to zero, this moment, the clutch plunger among the right clutch R 8 under the effect of release spring 6 spring forces was moved to the left, unclamp clutch compressing disc 4 and clutch friction plate 5 among the right clutch R successively, make right clutch R separate, clutch shaft 1 is fitted mutually with the inclined-plane on the clutch plunger 8 simultaneously, has cut off lubricant oil lubricating right clutch R.At this moment, engine power can not be imported gear 10 by the right side and be delivered to clutch shaft 1 through right clutch R.
Utilize left clutch F and right clutch R in conjunction with stalling characteristic, the driver can control it as required in conjunction with separated state, make engine power never with all exporting after the route input through clutch shaft 1, the direction of rotation when if power is imported respectively, this clutch promptly becomes reverse clutch, by control left clutch F and right clutch R in conjunction with separated state, tractor is advanced or fall back, realize load-commutated.
Claims (6)
1. the load-commutated clutch device of tractor mainly comprises: clutch shaft (1), left side input gear (2), clutch hub (3), clutch compressing disc (4), clutch friction plate (5), release spring (6), anti-attrition piece (7), clutch plunger (8), clutch housing (9), right input gear (10); It is characterized in that: left side input gear (2), clutch hub (3), clutch plunger (8) are installed in clutch shaft (1) left side successively, constitute left clutch F, wherein left side input gear (2) and clutch plunger (8) and clutch shaft (1) socket, clutch hub (3) is affixed with clutch shaft (1); Clutch plunger (8), clutch hub (3), right input gear (10) are installed in clutch shaft (1) right-hand part successively, constitute right clutch R, wherein right input gear (10) and clutch plunger (8) and clutch shaft (1) socket, clutch hub (3) is affixed with clutch shaft (1).
2. the load-commutated clutch device of tractor according to claim 1 is characterized in that: clutch shaft (1) middle part is processed with cylindrical flange.
3. the load-commutated clutch device of tractor according to claim 1, it is characterized in that: left clutch F and right clutch R are about the flange bilateral symmetry of clutch shaft (1), clutch compressing disc (4) links to each other successively with clutch friction plate (5) in left clutch F and right clutch R, and clutch compressing disc (4) and clutch hub (3) keyed jointing, clutch friction plate (5) and clutch housing (9) keyed jointing; Release spring (6) is combined with anti-attrition piece (7) and is installed in along the circumferential direction uniform clutch hub (3) hole, and wherein anti-attrition piece (7) withstands on the clutch plunger (8).
4. the load-commutated clutch device of tractor according to claim 1, it is characterized in that: clutch shaft (1) is drilled with oilhole A, left clutch control oilhole B vertically and right clutch is controlled oilhole C totally three holes, oilhole A, left clutch control oilhole B and right clutch control oilhole C are not connected, and wherein oilhole A is positioned at the axle center.
5. the load-commutated clutch device of tractor according to claim 1 is characterized in that: be processed with an inclined-plane on the surface of contact of clutch shaft (1) and clutch plunger (8), the corresponding site of clutch plunger (8) also is processed with the inclined-plane of equal angular.
6. the load-commutated clutch device of tractor according to claim 3 is characterized in that: totally two of clutch housings (9), and one is welded on the left side input gear (2), and another is welded on the right input gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206368989U CN201884506U (en) | 2010-12-02 | 2010-12-02 | Tractor load reversing clutch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206368989U CN201884506U (en) | 2010-12-02 | 2010-12-02 | Tractor load reversing clutch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884506U true CN201884506U (en) | 2011-06-29 |
Family
ID=44182048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206368989U Expired - Fee Related CN201884506U (en) | 2010-12-02 | 2010-12-02 | Tractor load reversing clutch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032289A (en) * | 2010-12-02 | 2011-04-27 | 中国一拖集团有限公司 | Tractor load reversing clutch device |
| CN103507024A (en) * | 2013-10-17 | 2014-01-15 | 第一拖拉机股份有限公司 | Press-fit welding assembly and press-fit welding method of combined piece of hubs of clutch and shaft gear |
| CN104995423A (en) * | 2012-12-12 | 2015-10-21 | Gkn施特罗马格股份公司 | Dual clutch comprising two clutch units which act in a force-fitting manner |
-
2010
- 2010-12-02 CN CN2010206368989U patent/CN201884506U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032289A (en) * | 2010-12-02 | 2011-04-27 | 中国一拖集团有限公司 | Tractor load reversing clutch device |
| CN104995423A (en) * | 2012-12-12 | 2015-10-21 | Gkn施特罗马格股份公司 | Dual clutch comprising two clutch units which act in a force-fitting manner |
| US9752625B2 (en) | 2012-12-12 | 2017-09-05 | Stromag Gmbh | Dual clutch comprising two clutch units which act in a force-fitting manner |
| CN103507024A (en) * | 2013-10-17 | 2014-01-15 | 第一拖拉机股份有限公司 | Press-fit welding assembly and press-fit welding method of combined piece of hubs of clutch and shaft gear |
| CN103507024B (en) * | 2013-10-17 | 2015-08-12 | 第一拖拉机股份有限公司 | A kind ofly be press-fitted seam assembly and method for clutch hub and stem gear component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FIRST TRACTOR CO., LTD. Free format text: FORMER OWNER: CHINA YITUO GROUP CO., LTD. Effective date: 20121030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121030 Address after: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee after: First Tractor Co., Ltd. Address before: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee before: China Yituo Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20191202 |