CN203267663U - Independent suspension heavy cross-country chassis and automobile - Google Patents
Independent suspension heavy cross-country chassis and automobile Download PDFInfo
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- CN203267663U CN203267663U CN 201320161372 CN201320161372U CN203267663U CN 203267663 U CN203267663 U CN 203267663U CN 201320161372 CN201320161372 CN 201320161372 CN 201320161372 U CN201320161372 U CN 201320161372U CN 203267663 U CN203267663 U CN 203267663U
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Abstract
The utility model discloses an independent suspension heavy cross-country chassis and an automobile. The independent suspension heavy cross-country chassis is characterized in that an upper boss is cast at an input end of a main reducer of an axle and connected with a cross beam through a bolt; the left end of the cross beam is connected with a left frame longitudinal beam through an upper left shock-absorbing cushion by a bolt, and the right end of the cross beam is connected with a right frame longitudinal beam through an upper right shock-absorbing cushion by a bolt; a lower boss is cast on the lower end surface of an axle housing and connected with a lower axle housing support through a bolt; and two ends of the lower axle housing support are connected with a left suspension bracket support and a right suspension bracket support respectively through a lower left shock-absorbing cushion and a lower right shock-absorbing cushion. With the application of the elastic suspension divided axle and a maintenance-free variable-pitch spiral spring independent suspension structure, the problem that a cross-country automobile is poor in cross-country ability and riding comfort is successfully solved, the convenience of the vehicle maintenance is greatly improved, and the independent suspension heavy cross-country chassis is suitable for being applied to military cross-country in new period and other occasions with higher cross-country requirements.
Description
Technical field
The utility model relates to independent suspension cross country car field.
Background technology
At present, domestic heavy-duty off-road vehicle broken drive bridge used is mostly that axle housing is rigidly connected by bolt and vehicle frame, adopts hydro pneumatic suspension, ubiquity manoevreability, cross-country traveling ability, ride comfort, less economical problem.
This novel independent suspension heavy type cross-country automobile chassis adopts breakaway-element elastic mounting heavy axle and the variable-pitch screw spring independent suspension structure of independent research, and broken bridge of car has adopted exclusive elastic mounting structure, significantly improves the smooth-going performance of vehicle.The independent suspension system elastic element adopts the variable-pitch screw spring, and the quality of simple in structure, spring own is little, and installing space is little, and high specific energy capacity is arranged, and can obtain larger bob amount, increases the land locomotion ability of vehicle; Coil spring need not to lubricate, and does not avoid dirt, has maintenance-free performance, can satisfy the abominable road conditions requirement of travelling of overland vehicle.
Summary of the invention
The utility model has proposed a kind of modernization high off-road capability demand of satisfying for deficiency of the prior art, has load capacity, adapts to the novel independent suspension cross-country automobile chassis of characteristics such as Various Complex road conditions, high maneuverability, high cross-country traveling ability.
The heavy cross-country chassis of a kind of independent suspension, it is characterized in that casting out a convex platform at the axle main speed reducer input end, the place is connected with crossbeam by bolt at convex platform, the crossbeam left end is connected with the left longeron of vehicle frame by the upper left cushion blocking with bolt, the crossbeam right-hand member is connected with the vehicle frame right vertical beam by the upper right cushion blocking with bolt, cast out a lower bulge in the axle housing lower surface, the place is connected with the axle housing undersetting by bolt at lower bulge, and axle housing undersetting two ends are connected with the suspension right support abutment with the suspension left support abutment by lower-left cushion blocking, bottom right cushion blocking respectively with bolt.
Suspension adopts the variable-pitch screw spring suspension, the upper and lower side of variable-pitch screw spring is supported in respectively in bearing and the supporting disk on lower swing arm on chassis side rail, front two bridge pumping arm action are connected with the steering swivel shell by spherical hinge, rear two bridge top links are connected with wheel limit supporting seat by bearing pin, lower swing arm by spherical hinge with take turns the limit supporting seat and be connected.Suspension adopts the variable-pitch screw spring suspension, and variable-pitch screw spring length dimension is 749 ± 9mm, and diameter dimension is φ 185 ± 4 mm, number of total coils 12 circles, number of active coils 10 circles, 1-2 circle active coils pitch is 52mm, the transition of 2-3 circle active coils pitch, all the other pitches are the 75mm equal pitch; The upper and lower side of variable-pitch screw spring is supported in respectively in bearing and the supporting disk on lower swing arm on chassis side rail, front two bridge pumping arm action are connected with the steering swivel shell by the spherical hinge of diameter s φ 65, rear two bridge top links are connected with wheel limit supporting seat by bearing pin, the spherical hinge of lower swing arm by diameter s φ 65 is connected with wheel limit supporting seat, can realize jumping the jerk value of jumping 120mm under 180mm.
A kind of independent suspension heavy off-road vehicle, it comprises driving engine, driving system, vehicle frame, operator's compartment, steering swivel system, brake system, electric system, the vehicle bridge stage casing is connected with vehicle frame by elastic mounting, and wheel reduction gear is connected with vehicle frame by spiral spring suspension; One bridge is steering drive axle, and two bridges are for turning to the perforation drive axle, and three bridges are for connecting drive axle, and four bridges are drive axle; Driving pattern is 8 * 8 full wheel drive.
Adopt cold engine and CAN bussing technique in water-cooled, realize information sharing and the distributed control of whole vehicle state, and be easy to information systems such as communication, trouble diagnosinies integrated.
the vehicle bridge of described independent suspension heavy type cross-country automobile chassis adopts heavy breakaway-element shock-absorbing axle, cast out a convex platform at the axle main speed reducer input end, the place is connected with crossbeam by bolt at convex platform, the crossbeam left end is connected with the left longeron of vehicle frame by the upper left cushion blocking with bolt, the crossbeam right-hand member is connected with the vehicle frame right vertical beam by the upper right cushion blocking with bolt, cast out a lower bulge in the axle housing lower surface, the place is connected with the axle housing undersetting by bolt at lower bulge, the lower-left cushion blocking is passed through respectively with bolt in axle housing undersetting two ends, the bottom right cushion blocking is connected with suspension left support abutment suspension right support abutment, realize vehicle bridge stage casing elastic mounting.
Suspension adopts the variable-pitch screw spring suspension, and variable-pitch screw spring length dimension is 749 ± 9mm, and diameter dimension is φ 185 ± 4 mm, number of total coils 12 circles, number of active coils 10 circles, 1-2 circle active coils pitch is 52mm, the transition of 2-3 circle active coils pitch, all the other pitches are the 75mm equal pitch; The upper and lower side of variable-pitch screw spring is supported in respectively in bearing and the supporting disk on lower swing arm on chassis side rail, front two bridge pumping arm action are connected with the steering swivel shell by the spherical hinge of diameter s φ 65, rear two bridge top links are connected with wheel limit supporting seat by bearing pin, the spherical hinge of lower swing arm by diameter s φ 65 is connected with wheel limit supporting seat, can realize jumping the jerk value of jumping 120mm under 180mm.
The beneficial effect of this programme is: breakaway-element elastic mounting vehicle bridge and variable-pitch screw spring independent suspension structure, can significantly improve heavy-duty off-road vehicle ride comfort, cross-country traveling ability, its usage economy.Independent suspension heavy-duty off-road vehicle axle housing and vehicle frame mostly were rigidly connected in the past, had all passed to vehicle frame to the vibrations that the vibrations of transmission shaft and the rotation of vehicle bridge self parts cause, had greatly affected the riding comfort of vehicle.Vehicle bridge elastic mounting structure can greatly be decayed vibrations by the top-quality rubber cushion blocking, greatly improves the heavy-duty off-road vehicle riding comfort.The independent suspension system elastic element adopts the variable-pitch screw spring, can effectively control the fully loaded unloaded chassis frame height variable quantity of vehicle, reduces the pivot angle of Rzeppa constant velocity joint; Can obtain larger bob amount, increase the land locomotion ability of vehicle; The simple quality of helical spring structure is light, saves installing space, need not to lubricate not avoid dirt, has maintenance-free performance, can greatly improve the vehicle its usage economy.
Description of drawings
Fig. 1 is the utility model keystone configuration assembly schematic diagram.Fig. 2 is the plan structure schematic diagram of accompanying drawing 1; Fig. 3 breakaway-element elastic mounting shock-absorbing axle structural representation; Fig. 4 is the birds-eye view of Fig. 3; Fig. 5 is variable-pitch screw spring independent suspension structure schematic diagram; Fig. 6 be in Fig. 5 A to view; Fig. 7 be in Fig. 5 B to view; Fig. 8 variable-pitch screw spring structure schematic diagram.
In figure: 1-operator's compartment assembly; The 2-cooling system; The 3-driving engine; The 4-vehicle frame; The 5-suspension; The 6-driving system; The 7-turbine transformer; The 8-steering swivel system; The 9-vehicle bridge; The 10-change speed gear box; The 11-brake system; The 12-wheel.The 13-main reduction gear; The 14-input end; The 15-axle housing; 16-revolver side reducer; The 17-left wheel hub; 18-left steering joint shell; 19-upper left spherical hinge; The swing arm of 20-upper left; 21-left-hand screw spring; The left bumper of 22-; 23-suspension left support abutment; 24-upper left cushion blocking; 25-upper left arm shaft; The 26-crossbeam; The 27-convex platform; The left ball cage type universal coupling of 28-; 29-lower-left spherical hinge; The swing arm of 30-lower-left; 31-left-hand screw spring lower support; 32-lower-left arm shaft; 33-lower-left cushion blocking; The 34-lower bulge; 35-axle housing undersetting; The left longeron of 36-vehicle frame; The right wheel reduction gear of 37-; The right wheel hub of 38-; 39-right steering joint shell; 40-upper right spherical hinge; The swing arm of 41-upper right; 42-right-hand screw spring; The right bumper of 43-; 44-suspension right support abutment; 45-upper right cushion blocking; 46-upper right arm shaft; The right ball cage type universal coupling of 47-; 48-bottom right spherical hinge; The swing arm of 49-bottom right; 50-right-hand screw spring lower support; 51-bottom right arm shaft; 52-bottom right cushion blocking; 53-vehicle frame right vertical beam; The 54-bolt; The 55-bolt; The 56-bolt; The 57-bolt; The 58-bolt; 59-left-hand screw spring lower support bearing pin.
The specific embodiment
A kind of independent suspension heavy off-road vehicle as shown in Figure 1, 2, it is comprised of operator's compartment assembly 1, cooling system 2, driving engine 3, vehicle frame 4, suspension 5, driving system 6, turbine transformer 7, steering swivel system 8, vehicle bridge 9, change speed gear box 10, brake system 11, wheel 12 etc.
Operator's compartment 1 is arranged on vehicle frame 4 front portions by four point elasticity shock absorption devices, cooling system 2 driving engines 3 are arranged in the middle of vehicle frame 4 left-right longerons, Automatic Transmission 10 is arranged in the middle part of vehicle frame, suspension 5 is connected with vehicle frame 4 use bolts by bearing, vehicle bridge 9 stage casings are connected with vehicle frame 4 by elastic mounting, and wheel 12 is connected with the suspension pumping arm action by ball pin.Wheel reduction gear is connected with vehicle frame 4 by spiral spring suspension; One bridge is steering drive axle, and two bridges are for turning to the perforation drive axle, and three bridges are for connecting drive axle, and four bridges are drive axle; Driving pattern is 8 * 8 full wheel drive.
Adopt cold engine and CAN bussing technique in water-cooled, realize information sharing and the distributed control of whole vehicle state, and be easy to information systems such as communication, trouble diagnosinies integrated.
as shown in Fig. 3 and 4, a kind of independent suspension heavy type cross-country automobile chassis, be positioned at main reduction gear 13 input ends and cast out a convex platform 27 on vehicle bridge 9, 27 places are connected with crossbeam 26 by bolt 54 at convex platform, crossbeam 26 left ends are connected with the left longeron 36 of vehicle frame by upper left cushion blocking 24 with bolt 55, crossbeam 26 right-hand members are connected with vehicle frame right vertical beam 53 by upper right cushion blocking 45 with bolt 56, cast out a lower bulge 34 in axle housing 15 lower surfaces, 34 places are connected with axle housing undersetting 35 by bolt 57 at lower bulge, lower-left cushion blocking 33 is passed through respectively with bolt 58 in axle housing undersetting 35 two ends, bottom right cushion blocking 52 is connected with the suspension right support abutment with suspension left support abutment 23 and is connected, form the axle housing elastic mounting.
The revolver side reducer 16 in left side, left wheel hub 17 and left steering joint shell 18 are connected with the left longeron 36 of vehicle frame by upper left swing arm 20, lower-left swing arm 30, left-hand screw spring 21 and the resilient suspension that left bumper 22 forms; The right wheel reduction gear 37 on right side, right wheel hub 38 and right steering joint shell 39 are connected with vehicle frame right vertical beam 53 by upper right swing arm 41, bottom right swing arm 49, right-hand screw spring 42 and the resilient suspension that right bumper 43 forms.The power of driving engine output is passed to drive axle by change speed gear box, power slows down to increase through main reduction gear 13 and passes to revolver side reducer 16, right wheel reduction gear 37 by main reduction gear left and right half and left ball cage type universal coupling 28, right ball cage type universal coupling 47 after turning round, power slows down again to increase through wheel reduction gear and passes to left wheel hub 17, right wheel hub 38 after turning round, and wheel hub rotation propelling vehicle advances or retreats.
Pretension cushion blocking tie bolt, the propulsive effort state that allows Rubber shock-absorbing pad be deformed to overcome vehicle bridge, with nut, tie bolt is tightened, at this moment Rubber shock-absorbing pad also has enough deflections, when the input power of transmission shaft and the rotation of vehicle bridge self parts cause the vehicle bridge vibrations can by Rubber shock-absorbing pad further distortion overcome, stop vibrations to pass to vehicle frame, improve the car load riding comfort.
As shown in Fig. 5,6,7, the novel employing variable-pitch screw of this use spring suspension.The upper and lower side of variable-pitch screw spring is supported in respectively in strut mount and the coil spring undersetting on lower swing arm on chassis side rail, and pumping arm action is connected with the steering swivel shell by the spherical hinge of diameter s φ 65, can realize jumping the jerk value of jumping 120mm under 180mm.
Are connected with the lower-left arm shaft by upper left arm shaft 25 and are connected with suspension left support abutment 23 in the inner that the upper left swing arm 20 of suspension left side is connected with the lower-left swing arm, suspension left support abutment 23 is connected by the left longeron 36 of bolt and vehicle frame, and the outer end of suspension left side upper left swing arm 20 and lower-left swing arm 30 is connected with left steering joint shell 18 by upper left spherical hinge 19 lower-left spherical hinges 29 respectively.The upper end of left-hand screw spring 21 is supported in suspension left support abutment 23, and the lower end is supported on left-hand screw spring lower support 31.
Are connected with the bottom right arm shaft and are connected with suspension right support abutment 44 by upper right arm shaft 46 in the inner that suspension right side upper right swing arm 41 is connected with the bottom right swing arm, suspension right support abutment 44 is connected with vehicle frame right vertical beam 53 by bolt, and the outer end of suspension right side upper right swing arm 41 and bottom right swing arm 49 is connected with right steering joint shell 39 by upper right spherical hinge 40 bottom right spherical hinges 48 respectively.The upper end of right-hand screw spring 42 is supported in suspension right support abutment 44, and the lower end is supported on right-hand screw spring lower support 50.
Vehicle frame is passed to by steering swivel shell, spherical hinge, pumping arm action, pumping arm action axle and coil spring successively to the application force of wheel in the road surface.(coil spring comprises left-hand screw spring 21 and right-hand screw spring 42, chassis side rail comprises the left longeron 36 of vehicle frame and vehicle frame right vertical beam 53, strut mount comprises suspension left support abutment 23 and suspension right support abutment 44, the coil spring undersetting comprises left-hand screw spring lower support 31 and right-hand screw spring lower support 50, pumping arm action comprises upper left swing arm 20 and lower-left swing arm 30 and upper right swing arm 41 and bottom right swing arm 49, spherical hinge comprises upper left spherical hinge 19 and lower-left spherical hinge 29 and upper right spherical hinge 40 and bottom right spherical hinge 48, and the steering swivel shell comprises left steering joint shell 18 and right steering joint shell 39.）
Spiral spring suspension need not to lubricate, and does not avoid dirt, compares with hydro pneumatic suspension and has avoided the gas leak of the oil leakage phenomenon, has greatly improved its usage economy of automobile.
Fig. 8 is variable-pitch screw spring structure schematic diagram, coil spring overall length 749 ± 9mm, and diameter phi 185 ± 4 mm, number of total coils 12 circles, number of active coils 10 circles, 1-2 circle active coils pitch is 52mm, the transition of 2-3 circle active coils pitch, all the other pitches are the 75mm equal pitch.
Adopt the heavy goods vehicles of spiral spring suspension, at full load wishes that coil spring pitch large bearing capacity is strong, wishes that the coil spring pitch is little when unloaded, and easily compressive deformation, reduce chassis frame height, reduces the pivot angle of Rzeppa constant velocity joint.The variable-pitch screw spring can successfully address this problem.
Claims (7)
1. the heavy cross-country chassis of an independent suspension, it is characterized in that casting out a convex platform at the axle main speed reducer input end, the place is connected with crossbeam by bolt at convex platform, the crossbeam left end is connected with the left longeron of vehicle frame by the upper left cushion blocking with bolt, the crossbeam right-hand member is connected with the vehicle frame right vertical beam by the upper right cushion blocking with bolt, cast out a lower bulge in the axle housing lower surface, the place is connected with the axle housing undersetting by bolt at lower bulge, and axle housing undersetting two ends are connected with the suspension right support abutment with the suspension left support abutment by lower-left cushion blocking, bottom right cushion blocking respectively with bolt.
2. the heavy cross-country chassis of independent suspension according to claim 1, it is characterized in that suspension adopts the variable-pitch screw spring suspension, the upper and lower side of variable-pitch screw spring is supported in respectively in bearing and the supporting disk on lower swing arm on chassis side rail, front two bridge pumping arm action are connected with the steering swivel shell by spherical hinge, rear two bridge top links are connected with wheel limit supporting seat by bearing pin, lower swing arm by spherical hinge with take turns the limit supporting seat and be connected.
3. the heavy cross-country chassis of independent suspension according to claim 2, it is characterized in that variable-pitch screw spring length dimension is 749 ± 9mm, diameter dimension is φ 185 ± 4 mm, number of total coils 12 circles, number of active coils 10 circles, 1-2 circle active coils pitch is 52mm, the transition of 2-3 circle active coils pitch, and all the other pitches are the 75mm equal pitch.
4. independent suspension heavy off-road vehicle, it comprises driving engine, driving system, vehicle frame, operator's compartment, steering swivel system, brake system, electric system, the vehicle bridge stage casing is connected with vehicle frame by elastic mounting, and wheel reduction gear is connected with vehicle frame by spiral spring suspension; One bridge is steering drive axle, and two bridges are for turning to the perforation drive axle, and three bridges are for connecting drive axle, and four bridges are drive axle; Driving pattern is 8 * 8 full wheel drive.
5. independent suspension heavy off-road vehicle according to claim 4, it is characterized in that described vehicle bridge adopts heavy breakaway-element shock-absorbing axle, cast out a convex platform at the axle main speed reducer input end, the place is connected with crossbeam by bolt at convex platform, the crossbeam left end is connected with the left longeron of vehicle frame by the upper left cushion blocking with bolt, the crossbeam right-hand member is connected with the vehicle frame right vertical beam by the upper right cushion blocking with bolt, cast out a lower bulge in the axle housing lower surface, the place is connected with the axle housing undersetting by bolt at lower bulge, the lower-left cushion blocking is passed through respectively with bolt in axle housing undersetting two ends, the bottom right cushion blocking is connected with suspension left support abutment suspension right support abutment, realize vehicle bridge stage casing elastic mounting.
6. independent suspension heavy off-road vehicle according to claim 4, it is characterized in that suspension adopts the variable-pitch screw spring suspension, the upper and lower side of variable-pitch screw spring is supported in respectively in bearing and the supporting disk on lower swing arm on chassis side rail, front two bridge pumping arm action are connected with the steering swivel shell by spherical hinge, rear two bridge top links are connected with wheel limit supporting seat by bearing pin, lower swing arm by spherical hinge with take turns the limit supporting seat and be connected.
7. independent suspension heavy off-road vehicle according to claim 6, it is characterized in that variable-pitch screw spring length dimension is 749 ± 9mm, diameter dimension is φ 185 ± 4 mm, number of total coils 12 circles, number of active coils 10 circles, 1-2 circle active coils pitch is 52mm, the transition of 2-3 circle active coils pitch, and all the other pitches are the 75mm equal pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161372 CN203267663U (en) | 2013-04-02 | 2013-04-02 | Independent suspension heavy cross-country chassis and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161372 CN203267663U (en) | 2013-04-02 | 2013-04-02 | Independent suspension heavy cross-country chassis and automobile |
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| Publication Number | Publication Date |
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| CN203267663U true CN203267663U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320161372 Expired - Lifetime CN203267663U (en) | 2013-04-02 | 2013-04-02 | Independent suspension heavy cross-country chassis and automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741186A (en) * | 2016-11-23 | 2017-05-31 | 湖北航天技术研究院特种车辆技术中心 | Multi- supports crossbeam |
| CN107825927A (en) * | 2017-10-27 | 2018-03-23 | 合肥正浩机械科技有限公司 | A kind of efficiently damping type heavy type transport vehicle |
| CN110654461A (en) * | 2019-09-25 | 2020-01-07 | 泰安航天特种车有限公司 | Vehicle chassis structure and manufacturing method |
-
2013
- 2013-04-02 CN CN 201320161372 patent/CN203267663U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741186A (en) * | 2016-11-23 | 2017-05-31 | 湖北航天技术研究院特种车辆技术中心 | Multi- supports crossbeam |
| CN107825927A (en) * | 2017-10-27 | 2018-03-23 | 合肥正浩机械科技有限公司 | A kind of efficiently damping type heavy type transport vehicle |
| CN110654461A (en) * | 2019-09-25 | 2020-01-07 | 泰安航天特种车有限公司 | Vehicle chassis structure and manufacturing method |
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Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |