CN205130931U - Chassis hydraulic drive system - Google Patents
Chassis hydraulic drive system Download PDFInfo
- Publication number
- CN205130931U CN205130931U CN201520963320.7U CN201520963320U CN205130931U CN 205130931 U CN205130931 U CN 205130931U CN 201520963320 U CN201520963320 U CN 201520963320U CN 205130931 U CN205130931 U CN 205130931U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- pump
- power system
- fluid power
- controllable capacity
- 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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- Fluid-Pressure Circuits (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The utility model discloses a chassis hydraulic drive system, including engine and hydraulic tank, the engine has the variable pump through the coupling joint, and it has slippage pump and gear pump to establish ties on the variable pump, and the variable pump links to each other with the controller, is equipped with accelerator pedal and brake pedal on the controller, and the variable pump links to each other with the transaxle, and drive inner bridge is embedded to have hydraulic motor. This system is integrated as an organic whole with transaxle and hydraulic motor, the high maintenance of just being convenient for hydraulic motor of space utilization, and adopt the hydraulic drive chassis, safe and reliable, swift convenient, furthest improves work efficiency.
Description
Technical field
The utility model relates to hydraulic-driven technical field, is specifically related to a kind of chassis fluid power system.
Background technology
At present, for the replacing of fighter plane external stores, there is a kind of special replacing special vehicle, its Main Function completes lifting to external stores and replacing behind location, this just requires that this special vehicle possesses autonomous simultaneously, lifting, the functions such as braking and location, nowadays used special vehicle cannot meet the demands, be mainly reflected in the problem that autonomous hourly velocity controls suffering, this is not more than 20Km/h at a high speed because this special vehicle of needs can meet, low speed is not more than 3Km/h, and travel with the stabilizing speed being not more than 3Km/h (containing moving forward and backward), lifting requirement to be met in addition, so, existing special vehicle cannot meet operating needs.
Utility model content
The utility model aims to provide a kind of chassis fluid power system, to solve conventional airplane external stores location and replacing special purpose vehicle amount cannot meet the problem of operating needs, this system can drive vehicle to be not more than 20Km/h at a high speed, low speed is not more than 3Km/h, and travels and hydraulic lifting external stores reposefully with the stabilizing speed being not more than 3Km/h.
The utility model is achieved by following technical solution:
A kind of chassis fluid power system, comprise driving engine and hydraulic reservoir, described driving engine is connected with controllable capacity pump by coupler, controllable capacity pump is in series with slippage pump and gear type pump, controllable capacity pump is connected with controller, controller is provided with Das Gaspedal and brake pedal, and controllable capacity pump is connected with drive axle, is embedded with HM Hydraulic Motor in drive axle.
Described slippage pump is connected with lifting mechanism, and the hydraulic oil pipe that slippage pump connects inserts in hydraulic reservoir, is provided with elevating ram in lifting mechanism.
Described gear type pump downstream is connected with hydraulic steering gear, is provided with steering cylinder in hydraulic steering gear.
Be provided with oil filter in described hydraulic reservoir, between gear type pump with hydraulic steering gear, the same oil that is provided with is filtered.
The pilot piping of described Das Gaspedal and controllable capacity pump is provided with manual reducing valve.
Described hydraulic reservoir is provided with air filter.
The beneficial effects of the utility model are:
Compared with prior art, the chassis fluid power system that the utility model provides has the following advantages:
1) chassis drives and adopts hydraulic technique, simple operation, and stability is strong, and degree of automation is high;
2) drive axle and HM Hydraulic Motor are become one, space availability ratio is high and be convenient to the maintenance of HM Hydraulic Motor;
3) hydraulic-driven chassis is adopted, safe and reliable, efficient and convenient, increase work efficiency to greatest extent.
Accompanying drawing explanation
Fig. 1 is hydraulic schematic diagram of the present utility model;
In figure: 1-driving engine, 2-coupler, 3-controllable capacity pump, 4-slippage pump, 5-gear type pump, 6-controller, 7-brake pedal, 8-Das Gaspedal, 9-hydraulic reservoir, the filter of 10-oil, 11-drive axle, 12-lifting mechanism, 13-air filter, 14-hydraulic steering gear, 15-steering cylinder, the manual reducing valve of 16-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further, but described in required protection domain is not limited to;
As shown in Figure 1, the chassis fluid power system that the utility model provides, comprise driving engine 1 and hydraulic reservoir 9, described driving engine 1 is connected with controllable capacity pump 3 by coupler 2, controllable capacity pump 3 is in series with slippage pump 4 and gear type pump 5, controllable capacity pump 3 is connected with controller 6, and controller 6 is provided with Das Gaspedal 8 and brake pedal 7, controllable capacity pump 3 is connected with drive axle 11, is embedded with HM Hydraulic Motor in drive axle 11.
Described slippage pump 4 is connected with lifting mechanism 12, and the hydraulic oil pipe that slippage pump 4 connects inserts in hydraulic reservoir 9, is provided with elevating ram in lifting mechanism 12.
Described gear type pump 5 downstream is connected with hydraulic steering gear 14, is provided with steering cylinder 15 in hydraulic steering gear 14.
Be provided with oil filter 10 in described hydraulic reservoir 9, between gear type pump 5 with hydraulic steering gear 14, the same oil that is provided with filters 10.
Described Das Gaspedal 8 and the pilot piping of controllable capacity pump 3 are provided with manual reducing valve 16.
Described hydraulic reservoir 9 is provided with air filter 13.
Principle of work of the present utility model is: this system is all-hydraulic control, and driving engine 1 outputs power to hydraulic variable displacement pump 3 by coupler 2, is changed flow and the direction of controllable capacity pump 3 by controller 6.Be connected with controller 6 by a Das Gaspedal 8, when by Das Gaspedal 8, (or backward) depresses forward, the rotating speed of driving engine 1 increases, the flow of controllable capacity pump 3 and slippage pump 4 increases, by hydraulic tubing, hydraulic energy is passed to drive axle 11, drive the HM Hydraulic Motor in drive axle 11 to rotate (not shown), realize vehicle (or backward) walking forward, the speed of vehicle is accelerated with the increasing of Das Gaspedal 8 stroke; During non-step on the gas pedal 8, it is back to meta automatically, and hydraulic efficiency pressure system realizes static pressure braking, and vehicle realizes stopping.
This system can realize the stepless change of vehicle speed in 0 ~ 20Km/h and fine motion function, Das Gaspedal 8 with the pilot piping of controllable capacity pump 3 are provided with a manual reducing valve 16, the speed of control lines vehicle is carried out by the adjustment of manual reducing valve 16, namely realize being not more than 20Km/h at a high speed, low speed is not more than 3Km/h, and travel with the stabilizing speed being not more than 3Km/h (containing moving forward and backward), ensure that driving engine 1 does not stop working, driving system is not trembled.When high bottom gear travels, the stroke all by changing Das Gaspedal 8 changes the discharge capacity of controllable capacity pump 3, thus realizes the stepless change of vehicle.When vehicle break down need drag time, can unblock be opened, remove static pressure braking, thus drag vehicle, realize manual steering.When pushing brake pedal 7, can ensure that vehicle there will not be the phenomenon of movement because of accidental operation error in the course of the work.If any superpressure phenomenon during work, excessive hydraulic oil will return hydraulic reservoir 9 by oil return pipe earial drainage.
The slippage pump 5 that controllable capacity pump 3 is connected and gear type pump 5 are lifting and steering swivel system fuel feeding.When turning to, drive hydraulic steering gear 14 by steering wheel rotation, regulate the oil mass entering steering cylinder 15, control the size of turning circle diameter.The lifting of lifting mechanism and leveling, by controlling reversing handle, control the oil mass entering oil cylinder, completes the action of lifting (or decline) and leveling pallet.
Claims (6)
1. a chassis fluid power system, comprise driving engine (1) and hydraulic reservoir (9), it is characterized in that: described driving engine (1) is connected with controllable capacity pump (3) by coupler (2), controllable capacity pump (3) is in series with slippage pump (4) and gear type pump (5), controllable capacity pump (3) is connected with controller (6), controller (6) is provided with Das Gaspedal (8) and brake pedal (7), controllable capacity pump (3) is connected with drive axle (11), and drive axle is embedded with HM Hydraulic Motor in (11).
2. chassis according to claim 1 fluid power system, it is characterized in that: described slippage pump (4) is connected with lifting mechanism (12), the upper hydraulic oil pipe connected of slippage pump (4) inserts in hydraulic reservoir (9), and lifting mechanism is provided with elevating ram in (12).
3. chassis according to claim 1 fluid power system, is characterized in that: described gear type pump (5) downstream is connected with hydraulic steering gear (14), is provided with steering cylinder (15) in hydraulic steering gear (14).
4. chassis according to claim 1 fluid power system, it is characterized in that: be provided with oil filter (10) in described hydraulic reservoir (9), between gear type pump (5) with hydraulic steering gear (14), the same oil that is provided with is filtered (10).
5. chassis according to claim 1 fluid power system, is characterized in that: described Das Gaspedal (8) and the pilot piping of controllable capacity pump (3) are provided with manual reducing valve (16).
6. chassis according to claim 1 fluid power system, is characterized in that: described hydraulic reservoir (9) is provided with air filter (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963320.7U CN205130931U (en) | 2015-11-28 | 2015-11-28 | Chassis hydraulic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963320.7U CN205130931U (en) | 2015-11-28 | 2015-11-28 | Chassis hydraulic drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205130931U true CN205130931U (en) | 2016-04-06 |
Family
ID=55616751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520963320.7U Expired - Fee Related CN205130931U (en) | 2015-11-28 | 2015-11-28 | Chassis hydraulic drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205130931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416050A (en) * | 2015-11-28 | 2016-03-23 | 贵州航天特种车有限责任公司 | Chassis hydraulic drive system |
| CN108100034A (en) * | 2017-11-07 | 2018-06-01 | 北京理工大学 | A kind of automatically controlled hydrostatic steering system of split path transmission endless-track vehicle |
-
2015
- 2015-11-28 CN CN201520963320.7U patent/CN205130931U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416050A (en) * | 2015-11-28 | 2016-03-23 | 贵州航天特种车有限责任公司 | Chassis hydraulic drive system |
| CN105416050B (en) * | 2015-11-28 | 2018-07-24 | 贵州航天特种车有限责任公司 | A kind of chassis fluid power system |
| CN108100034A (en) * | 2017-11-07 | 2018-06-01 | 北京理工大学 | A kind of automatically controlled hydrostatic steering system of split path transmission endless-track vehicle |
| CN108100034B (en) * | 2017-11-07 | 2019-09-17 | 北京理工大学 | A kind of automatically controlled hydrostatic steering system of split path transmission endless-track vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160406 Termination date: 20211128 |