CN204716913U - Rearmounted open type mean differential assembly - Google Patents
Rearmounted open type mean differential assembly Download PDFInfo
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- CN204716913U CN204716913U CN201520242987.8U CN201520242987U CN204716913U CN 204716913 U CN204716913 U CN 204716913U CN 201520242987 U CN201520242987 U CN 201520242987U CN 204716913 U CN204716913 U CN 204716913U
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Abstract
A kind of rearmounted open type mean differential assembly, comprises input shaft assembly, differential lock assembly, output shaft assembly; Input shaft assembly comprises input shaft, is located at input flange on input shaft, bearing I, initiatively cylindrical gears, cross axle, rear differential gear successively from front to back, and bearing I is arranged in bearing support I, and the front end of bearing support I is connected with the rear end of input flange; Cross axle is provided with planetary pinion, and planetary pinion is arranged on planetary carrier, and this planetary pinion is meshed with active cylindrical gears, rear differential gear respectively, is provided with the bearing II matched with the shell of main gearbox assembly outside rear differential gear; This rear differential gear is connected with described differential lock assembly, output shaft assembly respectively.The generation that the utility model has compact structure, lightweight, the smoothness that can improve automobile running, cost of production are low, can reduce oil leakage phenomenon, long service life, noise are little, transmission efficiency high, are adapted to the demand in high-speed tractor market.
Description
Technical field
The utility model relates to a kind of differential assembly, particularly a kind of rearmounted open type mean differential assembly.
Background technique
Along with the development of Domestic Automotive Industry and the Fast Construction of expressway, improve the mean velocity of automobile, adding load capacity is the effective measures improving productivity of antotransportation, and becomes the trend of contemporary automotive development, causes the increase of engine power thus, this has higher requirement for whole automotive transmission, especially draw semitrailer and require SWB, high-power, high-mechanic, low noise, the performance index such as low oil consumption.
The existing ransaxle product of my company can not meet the property indices of traction semitrailer, existing product is the through main reducer of middle axle assembly of twin-stage, and its mean differential assembly is made up of cylindrical gears shell, inter-axle differential shell planet, differential gear, cross axle, rear differential gear etc.Its shortcoming:
1. complex structure, maintenance difficulty, manufacturability is poor, and manufacture difficulty is large, and cost of production is high.
2. cylindrical gear shell, interaxial differential shell sizes are excessive, cause interaxial differential large, carry little, sexual valence ratio, be unfavorable for tractor integral arrangement.
3. due to outside impulsive load increases along with the raising of automobile driving speed and the increase of road roughness, also increase along with the increase of automobile unsprung weight, this requires that the quality of mean differential also will reduce, and improves the working life of the reliability of automobile, the smoothness of traveling and prolongation automobile.
4. existing product housing is many, and seal point, face are many, and these points that need seal and face need to be coated with sealant sealing, and lubricant oil is seepage very easily; Housing connects by bolton, causes that assembly process is long, cost is high, careless slightlyly just causes mating face leakage of oil.
5. mean differential is preposition, distance oil sump is far away, if do not have lubricant pump, insufficient lubrication, quick abrasion, rate of fault are high, and user's maintenance cost is high.
Summary of the invention
The technical problems to be solved in the utility model is: provide that a kind of compact structure, quality are light, the reliability that can improve automobile, reduce oil leakage phenomenon generation, long service life, rearmounted open type mean differential assembly that noise is little, to be adapted to the demand in high-speed tractor market.
The technological scheme solved the problems of the technologies described above is: a kind of rearmounted open type mean differential assembly, comprises input shaft assembly, differential lock assembly, output shaft assembly; Described input shaft assembly comprises input shaft, is located at input flange on input shaft, bearing I, initiatively cylindrical gears, cross axle, rear differential gear successively from front to back, and described input flange is locked at the forward end of input shaft by fastening piece; Described bearing I is arranged in bearing support I, and the front end of bearing support I is connected with the rear end of input flange by Sealing; Between the front end of described active cylindrical gears and the type conical bench of input shaft, thrust washer is installed, described cross axle is provided with planetary pinion, planetary pinion is arranged on planetary carrier, this planetary pinion is meshed with active cylindrical gears, rear differential gear respectively, is provided with the bearing II matched with the shell of main gearbox assembly outside rear differential gear; This rear differential gear is connected with described differential lock assembly, output shaft assembly respectively.
Further technological scheme of the present utility model is: described differential lock assembly comprises declutch shift shaft, shift fork return spring, shift fork, cylinder assembly, slip engaging sleeve, described slip engaging sleeve is arranged on the rear differential gear of input shaft assembly, and this slip engaging sleeve is provided with through fork slot on outer peripheral surface; Described declutch shift shaft is socketed with successively described shift fork return spring, shift fork, cylinder assembly, described shift fork matches with the fork slot of slip engaging sleeve.
Of the present utility model more further technological scheme be: described output shaft assembly comprises output shaft, is located at bearing III on output shaft successively, exports flange, described bearing III is arranged in bearing support III, described output flange is by locking nut, washer locking in the end, rear end of output shaft, and the front end of output shaft is connected with the rear end of the rear differential gear of input shaft assembly.
Owing to adopting said structure, the rearmounted open type mean differential assembly of the utility model compared with prior art, has following beneficial effect:
1. compact structure, lightweight:
The utility model comprises input shaft assembly, differential lock assembly, output shaft assembly; Wherein input shaft assembly comprises input shaft, is located at input flange on input shaft, bearing I, initiatively cylindrical gears, cross axle, rear differential gear successively from front to back, and cross axle is provided with planetary pinion.Because cross axle and planetary pinion are arranged on after active cylindrical gears, therefore, this mean differential assembly is rear-mounted mean differential assembly; Because the utility model does not include cylindrical gear shell, interaxial differential shell, therefore, this mean differential assembly is also open type mean differential assembly.This rearmounted open type mean differential assembly is compared with original mean differential assembly, have that output shaft is short, total length reduction, compact structure, little, the lightweight feature of volume, wherein output shaft length can reduce about 370mm, and gross weight can reduce about 15kg.
2. can improve the working life of the reliability of automobile, the smoothness of traveling and prolongation automobile:
Because the utility model eliminates cylindrical gear shell, interaxial differential shell, the total length of mean differential assembly is reduced, is conducive to tractor integral arrangement; Add car load useful load simultaneously and alleviate own wt, substantially increasing the working life of the reliability of automobile, the smoothness of traveling and prolongation automobile.
3. manufacture simple, cost of production is low, can reduce the generation of oil leakage phenomenon:
Because the utility model comprises input shaft assembly, differential lock assembly, output shaft assembly, eliminate cylindrical gear shell, interaxial differential shell, therefore it manufactures simple, and cost of production is low; And owing to decreasing product shell, decrease the point of sealing, face, thus decrease the generation of oil leakage phenomenon.
4. long service life, maintenance is convenient:
Because the utility model adopts rear-mounted mean differential assembly, distance oil sump is nearer; Do not need lubricant pump to lubricate, rotated by tooth as long as vehicle travels, just got rid of oil by tooth and lubricate, its wearing and tearing less, failure rate is low, long service life, maintenance is convenient.
5. noise is little, and transmission efficiency is high:
Because the utility model adopts input shaft structure, can intensity be improved, make gear transmission work more steadily, noise free, transmission efficiency is high, is adapted to the demand in high-speed tractor market.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristics of the rearmounted open type mean differential assembly of the utility model is further described.
Accompanying drawing explanation
Fig. 1: the structural representation of the rearmounted open type mean differential assembly of the utility model;
Fig. 2: the structural representation of input shaft assembly described in embodiment one;
Fig. 3: the structural representation of differential lock assembly described in embodiment one;
Fig. 4: the structural representation of output shaft assembly described in embodiment one;
Fig. 5: the rearmounted open type mean differential assembly of the utility model is arranged on the main structural representation subtracted on assembly;
Fig. 6: the rearmounted open type mean differential assembly of the utility model is arranged on the structural representation on heavy Ka Shuanqudongqiao;
Fig. 7: the structural representation of existing mean differential assembly.
In above-mentioned accompanying drawing, each label declaration is as follows:
1-input shaft assembly,
101-input flange, 102-oil sealing, 103-O type circle, 104-bearing I, 105-is cylindrical gears initiatively,
106-bolt, 107-packing ring, differential gear after 108-, 109-input shaft, 110-bearing II,
111-planetary carrier, 112-cross axle, 113-pad, 114-planetary pinion, 115-thrust washer,
116-bearing support I, 117-locking nut, 118-packing ring;
2-differential lock assembly,
201-declutch shift shaft, 202-shift fork return spring, 203-shift fork, 204-cylinder assembly, 205-slip engaging sleeve,
3-output shaft assembly,
301-output shaft, 302-bearing support III, 303-bearing III, 304-adjustment packing ring, 305-oil sealing,
306-exports flange, 307-locking nut, 308-packing ring, Q-front to, H-rear to.
Embodiment
Embodiment one:
A kind of rearmounted open type mean differential assembly, comprises input shaft assembly 1, differential lock assembly 2, output shaft assembly 3; Described input shaft assembly 1 comprises input shaft 109, is located at input flange 101 on input shaft 109, bearing I 104, initiatively cylindrical gears 105, cross axle 112, rear differential gear 108 successively from front to back, and described input flange 101 is locked at the forward end of input shaft 109 by fastening piece locking nut 117, packing ring 118; Described bearing I 104 is arranged in bearing support I 116, and the front end of bearing support I 116 is connected with the rear end of input flange 101 by Sealing oil sealing 102, bearing support I 116 is also provided with O type circle 103; Between the front end of described active cylindrical gears 105 and the type conical bench of input shaft, thrust washer 115 is installed, described cross axle 112 is provided with planetary pinion 114, planetary pinion 114 is arranged on planetary carrier 111, and planetary carrier 111 is connected with cross axle 112 by bolt 106, packing ring 107; Described planetary pinion 114 is meshed with active cylindrical gears 105, rear differential gear 108 respectively, is provided with the bearing II 110 matched with the shell of main gearbox assembly outside rear differential gear 108.
Described differential lock assembly 2 comprises declutch shift shaft 201, shift fork return spring 202, shift fork 203, cylinder assembly 204, slip engaging sleeve 205, described slip engaging sleeve 205 is arranged on the rear differential gear 108 of input shaft assembly 1, and this slip engaging sleeve 205 is provided with through fork slot on outer peripheral surface; Described declutch shift shaft 201 is socketed with described shift fork return spring 202, shift fork 203, cylinder assembly 204 successively, and described shift fork 203 matches with the fork slot of slip engaging sleeve 205.
Described output shaft assembly 3 comprises output shaft 301, is located at bearing III 303 on output shaft 301 successively, exports flange 306, described bearing III 303 is arranged in bearing support III 302, described output flange 306 is locked at the end, rear end of output shaft 301 by locking nut 307, packing ring 308, and the front end of output shaft 301 is connected with the rear end of the rear differential gear 108 of input shaft assembly 1.
The utility model is arranged on initiatively after cylindrical gears due to cross axle and planetary pinion, and therefore, this mean differential assembly is rear-mounted mean differential assembly; The utility model eliminates cylindrical gear shell, interaxial differential shell, therefore, this mean differential assembly is also open type mean differential assembly, it does not need lubricant pump to lubricate, as long as vehicle travel rotated by tooth, just got rid of oil by tooth and lubricate, its wearing and tearing less, failure rate is low, long service life, maintenance is convenient.
Claims (3)
1. a rearmounted open type mean differential assembly, is characterized in that: comprise input shaft assembly (1), differential lock assembly (2), output shaft assembly (3); Described input shaft assembly (1) comprises input shaft (109), is located at input flange (101) on input shaft (109), bearing I (104), initiatively cylindrical gears (105), cross axle (112), rear differential gear (108) successively from front to back, and described input flange (101) is locked at the forward end of input shaft (109) by fastening piece; Described bearing I (104) is arranged in bearing support I (116), and the front end of bearing support I (116) is connected by the rear end of Sealing with input flange (101); Between the front end of described active cylindrical gears (105) and the type conical bench of input shaft, thrust washer (115) is installed, described cross axle (112) is provided with planetary pinion (114), planetary pinion (114) is arranged on planetary carrier (111), this planetary pinion (114) is meshed with active cylindrical gears (105), rear differential gear (108) respectively, is provided with the bearing II (110) matched with the shell of main gearbox assembly outside rear differential gear (108); This rear differential gear (108) is connected with described differential lock assembly (2), output shaft assembly (3) respectively.
2. rearmounted open type mean differential assembly according to claim 1, it is characterized in that: described differential lock assembly (2) comprises declutch shift shaft (201), shift fork return spring (202), shift fork (203), cylinder assembly (204), slip engaging sleeve (205), described slip engaging sleeve (205) is arranged on the rear differential gear (108) of input shaft assembly (1), and this slip engaging sleeve (205) is provided with through fork slot on outer peripheral surface; Described declutch shift shaft (201) is socketed with described shift fork return spring (202), shift fork (203), cylinder assembly (204) successively, and described shift fork (203) matches with the fork slot of slip engaging sleeve (205).
3. rearmounted open type mean differential assembly according to claim 1 and 2, it is characterized in that: described output shaft assembly (3) comprises output shaft (301), be located at the bearing III (303) on output shaft (301) successively, export flange (306), described bearing III (303) is arranged in bearing support III (302), described output flange (306) is by locking nut (307), packing ring (308) is locked at the end, rear end of output shaft (301), the front end of output shaft (301) is connected with the rear end of the rear differential gear (108) of input shaft assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520242987.8U CN204716913U (en) | 2015-04-16 | 2015-04-16 | Rearmounted open type mean differential assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520242987.8U CN204716913U (en) | 2015-04-16 | 2015-04-16 | Rearmounted open type mean differential assembly |
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| CN204716913U true CN204716913U (en) | 2015-10-21 |
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| CN201520242987.8U Active CN204716913U (en) | 2015-04-16 | 2015-04-16 | Rearmounted open type mean differential assembly |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791450A (en) * | 2015-04-16 | 2015-07-22 | 方盛车桥（柳州）有限公司 | Postpositional open-type interaxle differential assembly |
| CN108716528A (en) * | 2018-07-21 | 2018-10-30 | 芜湖蓬翔车桥有限公司 | Automobile drive axle inter-axle differential assembly |
| CN108895139A (en) * | 2018-07-25 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | A kind of inter-axle differential assembly of automobile QL400 drive axle |
| CN108895142A (en) * | 2018-08-08 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | Inter-axle differential assembly for 469 vehicle bridge of automobile |
| CN108895144A (en) * | 2018-08-08 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | Drive axle inter-axle differential assembly in heavy motor truck |
| CN108895143A (en) * | 2018-07-21 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | One kind being applied to automobile drive axle inter-axle differential assembly and constructs |
| CN108895140A (en) * | 2018-07-25 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | Inter-axle differential assembly structure suitable for automobile QL400 drive axle |
| CN110486442A (en) * | 2019-08-07 | 2019-11-22 | 一汽解放汽车有限公司 | A kind of differential lock and axle assembly |
| CN112576718A (en) * | 2020-11-04 | 2021-03-30 | 东风越野车有限公司 | High-power full-time transfer case differential mechanism and vehicle |
-
2015
- 2015-04-16 CN CN201520242987.8U patent/CN204716913U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791450A (en) * | 2015-04-16 | 2015-07-22 | 方盛车桥（柳州）有限公司 | Postpositional open-type interaxle differential assembly |
| CN108716528A (en) * | 2018-07-21 | 2018-10-30 | 芜湖蓬翔车桥有限公司 | Automobile drive axle inter-axle differential assembly |
| CN108895143A (en) * | 2018-07-21 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | One kind being applied to automobile drive axle inter-axle differential assembly and constructs |
| CN108895139A (en) * | 2018-07-25 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | A kind of inter-axle differential assembly of automobile QL400 drive axle |
| CN108895140A (en) * | 2018-07-25 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | Inter-axle differential assembly structure suitable for automobile QL400 drive axle |
| CN108895142A (en) * | 2018-08-08 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | Inter-axle differential assembly for 469 vehicle bridge of automobile |
| CN108895144A (en) * | 2018-08-08 | 2018-11-27 | 芜湖蓬翔车桥有限公司 | Drive axle inter-axle differential assembly in heavy motor truck |
| CN110486442A (en) * | 2019-08-07 | 2019-11-22 | 一汽解放汽车有限公司 | A kind of differential lock and axle assembly |
| CN112576718A (en) * | 2020-11-04 | 2021-03-30 | 东风越野车有限公司 | High-power full-time transfer case differential mechanism and vehicle |
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