CN202782680U - Vehicle chassis - Google Patents
Vehicle chassis Download PDFInfo
- Publication number
- CN202782680U CN202782680U CN201220444735.XU CN201220444735U CN202782680U CN 202782680 U CN202782680 U CN 202782680U CN 201220444735 U CN201220444735 U CN 201220444735U CN 202782680 U CN202782680 U CN 202782680U
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- drive axle
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- drive
- vehicle
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Abstract
The utility model relates to a vehicle chassis. An auxiliary drive device is arranged on a drive axle of a vehicle; power is transmitted to the drive axle through a hydraulic motor; the hydraulic motor is connected with the drive axle to connect or disconnect the power so as to guarantee that an auxiliary drive force is disconnected when the vehicle runs at a high speed on a flat road and the vehicle is driven to move forward by an original main power drive device on the chassis; and when the vehicle climbs or lacks of power, the hydraulic motor is connected with the drive axle to transmit the drive force to the drive axle so as to increase the drive force of the vehicle and prolong the service life of the special vehicle. Therefore, the vehicle chassis is especially suitable for popularization and application to medium and large special vehicles.
Description
Technical field
The utility model relates to a kind of special vehicle vehicle chassis.
Background technology
The development of national economy is benefited from special vehicle market, especially big-and-middle-sized engineering item such as mine, oil field, water conservancy projects, national defence, construction of environmental protection, urban construction and highway construction etc., all in continuous expansion, the market demand constantly increases for industry scope and the market space, and development at full speed has been obtained in market.Yet the development of domestic special purpose vehicle is started late, kind on the market is more single, and particularly big-and-middle-sized special vehicle needs the tonnage of carrying larger usually, shock power is stronger, but it is the single drive axle structure mostly, or the driving of many bridges but is single propulsive effort, and load-carrying capacity is lower, load-supporting part is impaired easily, and power is little, overload can occur when climbing or load-carrying, and also greatly shorten service life.
The utility model content
In order to overcome the existing deficiency of special vehicle of the prior art, the utility model provides a kind of vehicle chassis that can improve the anti-severe impact ability of special vehicle and climbing power, its load-carrying capacity is strong, and applying working condition improves greatly, thereby has prolonged service life.Present technique also can progressively be applicable to engineering construction machinery simultaneously.
The technical scheme of the utility model technical solution problem is: a kind of vehicle chassis, comprise vehicle frame, at vehicle frame drive axle and the active force actuating device that propulsive effort can be provided for drive axle are set, the active force actuating device is to connect change speed gear box by power-transfer clutch on the output shaft of driving engine, the output shaft of change speed gear box connects with drive axle, bridge bag and at least one auxiliary drive are set on the drive axle, auxiliary drive is that Hydraulic Pump connects with HM Hydraulic Motor by oil pipe, and the output shaft of HM Hydraulic Motor connects with the bridge bag of drive axle.
The output shaft of above-mentioned HM Hydraulic Motor connects with the bridge bag of drive axle by power-off device, and power-off device is to realize that power connects and the overriding clutch or fluid coupling or the gear case that disconnect; The input shaft of described power-off device connects with the output shaft of HM Hydraulic Motor, and the output shaft of power-off device connects with the input shaft of bridge bag.
Above-mentioned drive axle comprises main drive axle and assistive drive bridge, on main drive axle and the assistive drive bridge bridge bag is installed all, the bridge bag input shaft of main drive axle connects with the output shaft of change speed gear box, and the bridge bag input shaft of assistive drive bridge connects with the output shaft of power-off device.
Above-mentioned HM Hydraulic Motor connects by coupler with the bridge bag with power-off device, power-off device.
Vehicle chassis of the present utility model is to set up auxiliary drive at the drive axle of vehicle, transmit power to drive axle by HM Hydraulic Motor, realize that by overriding clutch or gear case power connects or disconnects between HM Hydraulic Motor and the drive axle, thereby guarantee that vehicle is when level road is run at high speed, auxiliary driving force disconnects, and drives vehicle by original active force actuating device on the chassis and advances; When vehicle climbing or under power, by control overriding clutch or gear case HM Hydraulic Motor is connected with drive axle, propulsive effort is transferred on the drive axle, increase the propulsive effort of vehicle, prolong the service life of special vehicle, particularly apply at big-and-middle-sized special vehicle.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
The specific embodiment
Now with specific embodiment vehicle chassis of the present utility model is further specified by reference to the accompanying drawings, but structure of the present utility model is not limited only to following embodiment.
Referring to Fig. 1, the vehicle chassis in the present embodiment is made of vehicle frame 1, steeraxle 2, driving engine 3, power-transfer clutch 4, change speed gear box 5, coupler 6, drive axle 7, bridge bag 8, gear case 9, HM Hydraulic Motor 10, Hydraulic Pump 11 and the connection of other conventional components.
At vehicle frame 1 two steeraxles that are parallel to each other 2 and drive axle 7 are installed, steeraxle 2 is arranged on the leading portion of vehicle frame 1, drive axle 7 is arranged on the back segment of vehicle frame 1, be mounted with the active force actuating device that can drive drive axle 7 motions above the vehicle frame 1 between steeraxle 2 and drive axle 7, the active force actuating device is by driving engine 3, power-transfer clutch 4, change speed gear box 5 connects formation by coupler 6, power-transfer clutch 4 is connected between driving engine 3 and the change speed gear box 5, the output shaft of change speed gear box 5 connects with drive axle 7, be provided with the bridge bag 8 with a plurality of power input ports on the drive axle 7, bridge bag 8 the insides have set of gears mechanism to pass to axletree to the power integration of different input port inputs, the output shaft of the change speed gear box 5 in input shaft of bridge bag 8 and the active force actuating device connects by coupler 6, be used for receiving the propulsive effort that the active force actuating device transmits, be provided with auxiliary drive on another input shaft, be used for receiving the auxiliary driving force that is transmitted by auxiliary drive.
Auxiliary drive is to be connected by coupler 6 by gear case 9, HM Hydraulic Motor 10, Hydraulic Pump 11 to consist of, Hydraulic Pump 11 adopts fix-displacement pump, it connects with HM Hydraulic Motor 10 by oil pipe, HM Hydraulic Motor 10 is constant displacement hydraulic motors 10, gear case 9 is as power-off device, its input shaft connects with the output shaft of HM Hydraulic Motor 10, and output shaft is connected on drive axle 7 bridge bags 8 input shafts by coupler 6, realizes that the power of auxiliary drive connects and disconnection.
During use, when vehicle when flat road surface is run at high speed, driving engine 3 carry-over moments of active force actuating device are to change speed gear box 5, pass torque to drive axle 7 bridge bags 8 input shafts by change speed gear box 5, driving drive axle 7 axletrees rotates, simultaneously, the auxiliary drive on another input shaft of drive axle 7 bridge bags 8 does not provide power, and it disconnects by the power of gear case 9 with HM Hydraulic Motor 10; When vehicle climbing or during under power, the active force actuating device keeps action, and this moment, by manual pinion case 9 input shaft of HM Hydraulic Motor 10 with drive axle 7 bridge bags 8 connected, the auxiliary driving force of auxiliary drive is delivered on the drive axle 7, increases the whole propulsive effort of drive axle 7.
Embodiment 2
The difference of present embodiment and above-described embodiment 1 is, drive axle 7 in the present embodiment comprises main drive axle 7-1 and assistive drive bridge 7-2, main drive axle 7-1 and assistive drive bridge 7-2 are set in parallel in the rear side of steeraxle 2, the bridge bag 8 of single input port all is installed on main drive axle 7-1 and assistive drive bridge 7-2, the output shaft of change speed gear box 5 connects by coupler 6 in bridge bag 8 input shafts of main drive axle 7-1 and the active force actuating device, bridge bag 8 input shafts of assistive drive bridge 7-2 connect by coupler 6 with the output shaft of auxiliary drive middle gear case 9, and other parts and connecting relation thereof are identical with embodiment 1.
Embodiment 3
The vehicle chassis of above-described embodiment 1～2, auxiliary drive middle gear case 9 usefulness overriding clutchs or ordinary clutch or fluid coupling or other devices that can realize the power clutch are replaced, the mechanical type driving apparatus of main power replaces with fluid pressure drive device, HM Hydraulic Motor 10 is selected variable-dis-placement motor, Hydraulic Pump 11 is selected controllable capacity pump, and other parts and connecting relation thereof are identical with corresponding embodiment.
Embodiment 4
The vehicle chassis of above-described embodiment 1～2, the output shaft of HM Hydraulic Motor 10 connects with the input shaft of the bridge bag 8 of drive axle 7, and other parts and connecting relation thereof are identical with corresponding embodiment.
Claims (4)
1. vehicle chassis, comprise vehicle frame (1), drive axle (7) is set and the active force actuating device of propulsive effort can be provided for drive axle (7) at vehicle frame (1), the active force actuating device is to connect change speed gear box (5) at the output shaft of driving engine (3) by power-transfer clutch (4), the output shaft of change speed gear box (5) connects with drive axle (7), it is characterized in that: bridge bag (8) and at least one auxiliary drive are set on the described drive axle (7), auxiliary drive is that Hydraulic Pump (11) connects with HM Hydraulic Motor (10) by oil pipe, and the output shaft of HM Hydraulic Motor (10) connects with the bridge bag (8) of drive axle (7).
2. vehicle chassis according to claim 1, it is characterized in that: the output shaft of described HM Hydraulic Motor (10) connects with the bridge bag (8) of drive axle (7) by power-off device (9), and power-off device (9) is to realize that power connects and the overriding clutch or fluid coupling or the gear case that disconnect; The input shaft of described power-off device (9) connects with the output shaft of HM Hydraulic Motor (10), and the output shaft of power-off device (9) connects with the input shaft of Qiao Bao (8).
3. vehicle chassis according to claim 1 and 2, it is characterized in that: described drive axle (7) comprises main drive axle (7-1) and assistive drive bridge (7-2), on main drive axle (7-1) and the assistive drive bridge (7-2) bridge bag (8) is installed all, bridge bag (8) input shaft of main drive axle (7-1) connects with the output shaft of change speed gear box (5), and bridge bag (8) input shaft of assistive drive bridge (7-2) connects with the output shaft of power-off device (9).
4. vehicle chassis according to claim 2, it is characterized in that: described HM Hydraulic Motor (10) connects by coupler (6) with bridge bag (8) with power-off device (9), power-off device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220444735.XU CN202782680U (en) | 2012-09-03 | 2012-09-03 | Vehicle chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220444735.XU CN202782680U (en) | 2012-09-03 | 2012-09-03 | Vehicle chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782680U true CN202782680U (en) | 2013-03-13 |
Family
ID=47810004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220444735.XU Expired - Lifetime CN202782680U (en) | 2012-09-03 | 2012-09-03 | Vehicle chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202782680U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552455A (en) * | 2013-10-18 | 2014-02-05 | 同济大学 | Mechanical transmission system for parallel connection type hydraulic hybrid vehicle |
| CN104108311A (en) * | 2014-07-21 | 2014-10-22 | 赵铁栓 | Hydraulic-motor traveling driving device of land leveler |
| CN106671769A (en) * | 2016-12-27 | 2017-05-17 | 苏州大方特种车股份有限公司 | Dual power driving axle structure and vehicle with same |
| CN106740084A (en) * | 2016-12-27 | 2017-05-31 | 苏州大方特种车股份有限公司 | Emergency driving mechanism and the vehicle with the mechanism |
| CN108146238A (en) * | 2018-01-10 | 2018-06-12 | 西安卓士博液压工程有限责任公司 | A kind of vehicle composite drive chassis system |
| CN112026443A (en) * | 2020-07-22 | 2020-12-04 | 太原重工股份有限公司 | Hydraulic drive axle |
| CN112060838A (en) * | 2020-07-22 | 2020-12-11 | 太原重工股份有限公司 | Hydraulic drive axle |
-
2012
- 2012-09-03 CN CN201220444735.XU patent/CN202782680U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552455A (en) * | 2013-10-18 | 2014-02-05 | 同济大学 | Mechanical transmission system for parallel connection type hydraulic hybrid vehicle |
| CN104108311A (en) * | 2014-07-21 | 2014-10-22 | 赵铁栓 | Hydraulic-motor traveling driving device of land leveler |
| CN104108311B (en) * | 2014-07-21 | 2018-03-30 | 西安卓士博液压工程有限责任公司 | A kind of land leveller hydraulic motor travel driving unit |
| CN106671769A (en) * | 2016-12-27 | 2017-05-17 | 苏州大方特种车股份有限公司 | Dual power driving axle structure and vehicle with same |
| CN106740084A (en) * | 2016-12-27 | 2017-05-31 | 苏州大方特种车股份有限公司 | Emergency driving mechanism and the vehicle with the mechanism |
| CN108146238A (en) * | 2018-01-10 | 2018-06-12 | 西安卓士博液压工程有限责任公司 | A kind of vehicle composite drive chassis system |
| CN112026443A (en) * | 2020-07-22 | 2020-12-04 | 太原重工股份有限公司 | Hydraulic drive axle |
| CN112060838A (en) * | 2020-07-22 | 2020-12-11 | 太原重工股份有限公司 | Hydraulic drive axle |
| CN112026443B (en) * | 2020-07-22 | 2022-03-15 | 太原重工股份有限公司 | Hydraulic drive axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TRANSPOWER HYDRAULIC ENGINEERING XI'AN Co.,Ltd. Assignor: Zhao Tieshuan Contract record no.: 2015610000010 Denomination of utility model: Mounting method for air spring vehicle chasis and its supporting rod Granted publication date: 20130313 License type: Exclusive License Record date: 20150327 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |