CN2739064Y - Heavy cross-county traction vehicle - Google Patents
Heavy cross-county traction vehicle Download PDFInfo
- Publication number
- CN2739064Y CN2739064Y CN 200420040456 CN200420040456U CN2739064Y CN 2739064 Y CN2739064 Y CN 2739064Y CN 200420040456 CN200420040456 CN 200420040456 CN 200420040456 U CN200420040456 U CN 200420040456U CN 2739064 Y CN2739064 Y CN 2739064Y
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- Prior art keywords
- bridges
- time case
- cross
- drive
- transmission shaft
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Abstract
The utility model provides a heavy cross-county traction vehicle, comprising a driver s cab assembly and a chassis. The heavy cross-county traction vehicle is characterized in that the driven means is 8*8 single-tyre all-wheel driving means; the wheels matched with the heavy cross-county traction vehicle are cross-country wheels. The layout pattern of a vehicle axle is front-one back-three type, that is to say, one drive axle is arranged in front of a transfer case and three drive axles which are communicated with each other are arranged at the back part of the transfer case. In addition, a suspension device of the heavy cross-county traction vehicle is an air spring balance suspension device; a steering device a mechanically operated, hydraulic boosted, front oneandd back four axles packet synchronous steering device. The utility model has the advantages of convenient operation, flexibly, comfortable ride, small turning circles diameter, big traction weight, good maneuverability, good cross-country capacity and convenient maintenance.
Description
Affiliated technical field
The utility model relates to a kind of automobile, particularly a kind of heavy cross-country tractor.
Background technology
Along with Chinese economic development, town and country construction, defence equipment and transportation etc. are also increasing to the demand with high maneuverability, high cross-country traveling ability, big-powered tractor.Owing to be subjected to the restriction of vehicle bridge device, steering hardware, suspension gear etc., more existing four axle tractor uses duplex to connect bridge and directly by part-time case power is transmitted forwards, backwards, the first two back two form is adopted in general layout, be that one group of duplex of layout is passed through energy formula drive axle before the part-time case, arrange one group of duplex through-drive axle behind the part-time case.Here after so-called duplex through-drive axle is power transmission to the first vehicle bridge, continue the power back kick is passed a kind of vehicle bridge combination of its back vehicle bridge by transmission shaft by this root vehicle bridge.Its suspension mostly is the equalizing suspension system of steel spring, and this all has very big restriction to layout of car load length, vehicle bridge etc.In addition, the engine power of car load outfit is also less.Therefore all there is certain deficiency in existing four axle tractor at aspects such as the dynamic property of car load, manoevreability, cross-country traveling ability, ride comforts.
Summary of the invention
The purpose of this utility model be by to suspension, vehicle bridge, turn to, the improvement of device such as driving, a kind of heavy amount is provided, can adapts to the high maneuverability of multiple complex road condition, the four axle tractor of high cross-country traveling ability.
The technical solution of the utility model is: it is made up of this heavy cross-country tractor operator's compartment assembly and chassis, the operator's compartment assembly mainly comprises operator's compartment and is contained in its in-to-in car bonnet, big or small gauge panel and parts such as instrument, bearing circle, manual accelerator, Das Gaspedal and seat, operator's compartment is positioned at the front portion of vehicle frame, links to each other with vehicle frame by four strong points; The chassis mainly comprises vehicle frame and driving engine mounted thereto, the hydromechanical drive device, part-time case, saddle, hydraulic windlass, steering hardware, suspension gear, brake equipment, accumulator box, fuel tank and the vehicle bridge that are provided with tor-con, transmission shaft, wheel etc., the characteristics of this car are that its type of drive is 8 * 8 single-tyre whole wheel type of drive, the wheel that matches with it is cross-country wheel, the arrangement of vehicle bridge is last back three patterns, be that a drive axle is arranged in part-time case the place ahead, one group of three coherent general formula drive axle arranged at the part-time case rear; Its suspension gear is the air bellow equilibratory suspension in addition, and its steering hardware is a mechanical control, packet synchronization steering hardware before and after hydraulic booster one, four bridges.
One bridge of this car is a steering drive axle, and it is positioned at the back lower place of driving engine, the place ahead of part-time case, and its input shaft links to each other with part-time case by transmission shaft; Two bridges are three coherent logical drive axles, and it is positioned at the rear of part-time case, and its input shaft links to each other with part-time case by transmission shaft; Three bridges are that bigeminy connects drive axle, and it is positioned at the rear of two bridges, and its input shaft links to each other by the output shaft of transmission shaft with two bridges; Four bridges are steering drive axle, and it is positioned at the rear of three bridges, and its input shaft links to each other by the output shaft of transmission shaft with three bridges.
Type of drive is that 8 * 8 single-tyre whole wheels drive in the utility model, on axle arrangement, adopted the layout pattern of last back three, this pattern helps the train distribution of load, and the three bridge wheelbases in back are less, make the traction seat biggest quality more easily be evenly distributed on the drive axle; In this car, adopted high-power air-cooled engine in addition, be provided with tor-con in the hydromechanical drive device, when car load when starting or resistance increase, tor-con can increase moment of torsion, make car load obtain the higher starting and the performance of obstacle negotiation thing, can also partially absorb the impact of transmission system, prolong its service life; Adopt the air bellow equilibratory suspension in the suspension, reduced the car load vibration, improved the work life of parts; Turn to and adopted mechanical control, the packet synchronization steering hardware turns to circular diameter little before and after hydraulic booster one, four bridges; Wheel has adopted the cross-country wheel of major diameter, and all these all are greatly improved dynamic property, manoevreability, ride comfort and the cross-country traveling ability of car load.Therefore the utlity model has easy to operate, flexible, ride comfort, turning-circle diameter is little, the traction quality is big, manoevreability, good cross-country ability, characteristics such as easy to maintenance, can be widely used in a plurality of fields.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is a general layout front elevational schematic of the present utility model;
Fig. 2 is a general layout schematic top plan view of the present utility model;
Fig. 3 is that transmission shaft of the present utility model is arranged scheme drawing;
Fig. 4 is an air bellow equilibratory suspension front elevational schematic of the present utility model;
Fig. 5 is an air bellow equilibratory suspension schematic top plan view of the present utility model;
Fig. 6 is that steering gear of the present utility model is arranged scheme drawing.
The specific embodiment
Find out that from Fig. 1 and Fig. 2 the utility model is made up of operator's compartment assembly 1 and chassis 13.Operator's compartment of the present utility model is a tack flygate metal solder sealed construction, car bonnet, big or small gauge panel, bearing circle is housed, parts such as manual accelerator, Das Gaspedal and seat in operator's compartment.Operator's compartment is positioned at the front portion of vehicle frame 12, links to each other with vehicle frame 12 by four strong points, and sound insulation, thermal insulation material are housed in its ceiling, and heat insulation and shockproof processing has been done on the floor, when needing repairing driving engine, can will turn over 40 degree before the operator's compartment so that maintenance; Seat adopts rotary adjustable, is beneficial to the work of chaufeur, automobile operation is housed with various instrument, switch etc. on the big or small gauge panel.
Type of drive of the present utility model is that 8 * 8 single-tyre whole wheels drive, and has adopted four bridges, and the arrangement of vehicle bridge is last back three.Find out that from Fig. 1 and Fig. 3 a bridge 4 is steering drive axles, it is positioned at the back lower place of driving engine 2, the place ahead of part-time case 5, and its input shaft links to each other with part-time case 5 by transmission shaft 17; Two bridges 7 are three coherent logical drive axles, and it is positioned at the rear of part-time case 5, and its input shaft links to each other with part-time case 5 by transmission shaft 19; Three bridges 10 connect drive axle for bigeminy, and it is positioned at the rear of two bridges 7, and its input shaft links to each other with the output shaft of two bridges 7 by transmission shaft 20; Four bridges 11 are steering drive axle, and it is positioned at the rear of three bridges 10, and its input shaft links to each other with the output shaft of three bridges 10 by transmission shaft 21.Each transmission shaft of the present utility model is a tubulose open type Hooke's joint transmission shaft.Power is to pass to hydromechanical drive device 3 by driving engine 2, pass to part-time case 5 by transmission shaft 18 again, pass to one, two bridges 4 and 7 by part-time case 5 respectively by transmission shaft 17 and 19, pass to three, four bridges 10 and 11 by transmission shaft 20 and 21 again, by vehicle bridge in-to-in main reduction gear, wheel reduction gear power is passed to wheel 15 then, thereby realize driving functions.Here three coherent logical drive axle devices of Cai Yonging, our factory's patent applied for, the patent No. is 01261433.5, name is called multi-joint through-drive axle.
Suspension gear of the present utility model is the air bellow equilibratory suspension, relevant its detailed structure, and our factory's patent applied for, the patent No. is 02212257.5, name is called air suspension system.Now that its structure brief description is as follows.
Air bellow equilibratory suspension 8 is made up of suspension gear and airline.Suspension gear links together back three bridges 7,10,11 and vehicle frame 12, and it comprises air spring device and propelling rod device.Find out from Fig. 4 and Fig. 5, air spring device is made up of 23,6 equalizer supports 29 of 31,6 supports of 30,3 crossbeams of 25,6 equalizers of 26,6 bumpers of 6 air bags etc., equalizer 30 front ends are connected with vehicle frame 12 by support 23, the middle equalizer support 29 that passes through is connected with vehicle bridge, the rear end is connected with air bag 26, and air bag 26 bears the power of vertical direction in the vehicle ' process.The propelling rod device is made up of 34,3 horizontal thrust rod bearings 35 of 36,3 longitudinal thrust rod bearings of 24,6 thrust pole seats of 32,3 longitudinal rods of 3 lateral rods etc.Longitudinal rod 24 is formed the approximate parallelogram structure with equalizer 30, and when making the vehicle bridge bob, its input shaft is only done motion of translation, makes transmission shaft realize the transmission of isogonism speed substantially, thus the life-span of having improved transmission system.Every vertically, lateral rod is connected with vehicle bridge, vehicle frame by bearing respectively, to bear vertical, horizontal power in the vehicle ' process.Airline is made up of air spring air cock 22, pipeline 27, air receiver 28, levelling valve 33 etc., can make air bag 26 charge and discharge gas by maneuvering air spring air cock 22, thereby adjusts chassis frame height, makes more convenient the docking of superimposed trailer and tractor truck.Levelling valve 33 is mainly used in and keeps vehicle frame 12 not influenced by load, makes when fully loaded and unloaded on the vehicle frame 12 level constant substantially, and air receiver 28 is the additional source of the gas of air spring at any time.
Steering hardware of the present utility model is a mechanical control, packet synchronization steering hardware before and after hydraulic booster one, four bridges, and it is to be to adapt to the last back of drive axle three layout patterns that this car adopts, and reduces turning-circle diameter and custom-designed.Relevant its detailed structure, our factory's patent applied for, the patent No. is 01262298.2, name is called many bridges of speciality car mechanical type steering controlling device, and is existing that its structure brief description is as follows.
This device is made up of bearing circle 37, deflector 38, steering drop arm 39, a bridge drag link assembly 40, steering side tube assembly 41, pitman arm assembly I42, pitman arm bearing I43, steering connector bar assembly I44, pitman arm assembly II45, pitman arm bearing II46, steering connector bar assembly II47, pitman arm assembly III48, pitman arm bearing III49, four bridge drag link assemblies 50 etc.Wherein a bridge drag link assembly 40 and four bridge drag link assemblies 50 link to each other with steering swivel on the bridge, and the steering swivel wheel flutter of ining succession, one, four bridge drag link assemblies 40 and 50 move forward and backward and can drive wheel flutter deflection and realize turning to.When turning to, chaufeur steering wheel rotation 37, can make steering drop arm 39 swings, make a bridge wheel flutter realize deflection by a bridge drag link assembly 40, steering drop arm 39 drives steering side tube assembly 41 simultaneously, after pitman arm assembly I42 commutation, steering connector bar assembly I44, pitman arm assembly II45, steering connector bar assembly II47, pitman arm assembly III48, the four bridge drag link assemblies 50 by the back make four bridge wheel flutters realize deflection again, realize motor turning.
Brake equipment of the present utility model comprises service brake, braking during standstill, auxiliary braking.What wherein service brake was used is pneumatic type double loop brake equipment, what braking during standstill used is the formula brake application by spring of dying, what auxiliary braking used is fluid power retarder and engine exhaust and brake, the integrated use of these three kinds of brake equipments, making brake equipment of the present utility model all is safe and reliable in Parking still is driving process.
Claims (2)
1, a kind of heavy cross-country tractor, it is made up of operator's compartment assembly and chassis, the operator's compartment assembly mainly comprises operator's compartment and is contained in its in-to-in car bonnet, big or small gauge panel and parts such as instrument, bearing circle, manual accelerator, Das Gaspedal and seat, operator's compartment is positioned at the front portion of vehicle frame, links to each other with vehicle frame by four strong points; The chassis mainly comprises vehicle frame and driving engine mounted thereto, is provided with hydromechanical drive device, part-time case, saddle, hydraulic windlass, steering hardware, suspension gear, brake equipment, accumulator box, fuel tank and vehicle bridge, transmission shaft, the wheel of tor-con, it is characterized in that: its type of drive is 8 * 8 single-tyre whole wheel type of drive, the wheel that matches with it is cross-country wheel, the arrangement of vehicle bridge is last back three patterns, be that a drive axle is arranged in part-time case the place ahead, one group of three coherent general formula drive axle arranged at the part-time case rear; Its suspension gear is the air bellow equilibratory suspension in addition, and its steering hardware is a mechanical control, packet synchronization steering hardware before and after hydraulic booster one, four bridges.
2, heavy cross-country tractor according to claim 1 is characterized in that a bridge of this car is a steering drive axle, and it is positioned at the back lower place of driving engine, the place ahead of part-time case, and its input shaft links to each other with part-time case by transmission shaft; Two bridges are three coherent logical drive axles, and it is positioned at the rear of part-time case, and its input shaft links to each other with part-time case by transmission shaft; Three bridges are that bigeminy connects drive axle, and it is positioned at the rear of two bridges, and its input shaft links to each other by the output shaft of transmission shaft with two bridges; Four bridges are steering drive axle, and it is positioned at the rear of three bridges, and its input shaft links to each other by the output shaft of transmission shaft with three bridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420040456 CN2739064Y (en) | 2004-05-17 | 2004-05-17 | Heavy cross-county traction vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420040456 CN2739064Y (en) | 2004-05-17 | 2004-05-17 | Heavy cross-county traction vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2739064Y true CN2739064Y (en) | 2005-11-09 |
Family
ID=35354131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420040456 Expired - Lifetime CN2739064Y (en) | 2004-05-17 | 2004-05-17 | Heavy cross-county traction vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2739064Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424001A (en) * | 2011-12-30 | 2012-04-25 | 徐州重型机械有限公司 | Four-axle automobile chassis and automobile crane with same |
| WO2013078787A1 (en) * | 2011-12-02 | 2013-06-06 | 中联重科股份有限公司 | Four-axle truck crane and steering mechanism thereof |
| CN108189904A (en) * | 2018-02-13 | 2018-06-22 | 湖北航天技术研究院特种车辆技术中心 | A kind of heavy hauler Multi-spindle grouping reversing arrangement |
-
2004
- 2004-05-17 CN CN 200420040456 patent/CN2739064Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078787A1 (en) * | 2011-12-02 | 2013-06-06 | 中联重科股份有限公司 | Four-axle truck crane and steering mechanism thereof |
| CN102424001A (en) * | 2011-12-30 | 2012-04-25 | 徐州重型机械有限公司 | Four-axle automobile chassis and automobile crane with same |
| CN102424001B (en) * | 2011-12-30 | 2014-05-14 | 徐州重型机械有限公司 | Four-axle automobile chassis and automobile crane with same |
| CN108189904A (en) * | 2018-02-13 | 2018-06-22 | 湖北航天技术研究院特种车辆技术中心 | A kind of heavy hauler Multi-spindle grouping reversing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140517 Granted publication date: 20051109 |