CN204367809U - The anti-canting system of a kind of novel heavy duty vehicle - Google Patents
The anti-canting system of a kind of novel heavy duty vehicle Download PDFInfo
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- CN204367809U CN204367809U CN201420658733.XU CN201420658733U CN204367809U CN 204367809 U CN204367809 U CN 204367809U CN 201420658733 U CN201420658733 U CN 201420658733U CN 204367809 U CN204367809 U CN 204367809U
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Abstract
The utility model relates to the anti-canting system of a kind of novel heavy duty vehicle, and it comprises oil absorption filter 1, Hydraulic Pump 2, force feed filter 3, fuel feeding integrated valve block, oil charging-discharging integrated valve block I, oil charging-discharging integrated valve block II, energy storage, hydraulic actuating cylinder and fuel tank 26.The P of described oil charging-discharging pile-up valve I
1mouth is communicated with the A mouth of fuel feeding pile-up valve, T
1be communicated with mouthful with the T mouth of fuel feeding pile-up valve and together take back fuel tank, D
1mouth is communicated with energy storage 18.The P of described oil charging-discharging pile-up valve II
2mouth is communicated with the A mouth of fuel feeding pile-up valve, T
2be communicated with mouthful with the T mouth of fuel feeding pile-up valve and together take back fuel tank, D
2mouth is communicated with energy storage 14.When system carries out oil charging-discharging, change-over valve 6 is energized and commutates, and by pass valve 5 makes system enter to erect operating oil pressure, and oil-filled control cock 9,25 is energized and commutates, and high pressure oil enters hydraulic actuating cylinder through it.Control cock of draining the oil 7,22, when normal position, relies on the check valve of its inside to realize the locking of fluid, when its energising commutation, makes the fluid in hydraulic actuating cylinder be back to fuel tank.Damping module in oil charging-discharging pile-up valve, realizes the adjustment of tension and compression damping, ensures the ride comfort travelled.The utility model is by hydraulic actuating cylinder oil charging-discharging principle, overcoming the deficiency that some heavy-duty vehicle easily rolls when there is load transfer, the suspension excessive deformation occurred due to load transfer can be suppressed, and energy real-time response, there is system simultaneously simple, the advantages such as reliable operation.
Description
Technical field
The utility model relates to the anti-canting system of a kind of novel heavy duty vehicle, and this system can suppress the suspension excessive deformation occurred due to load transfer, and energy real-time response, belong to heavy-duty vehicle suspension field.
Background technology
Heavy-duty vehicle in the process of moving normal because load-carrying is uneven, turn to, the higher and Uneven road of moving velocity along etc. factor generation canting, and traditional suspension is fixed due to the parameter of spring stiffness and damping coefficient, can not regulate according to road conditions in real time, field of application is narrow.Oleo-pneumatic suspension is with fluid transmission of pressure, and gas is as a kind of suspension of elastic medium.It not only has good cushion characteristic and good cushioning effect, and the height of adjustable vehicle frame, having the advantage that general steel plate spring suspension is incomparable, is development of special vehicle, heavy engineering vehicle and the requisite gordian technique of multiple-axle vehicle.Therefore, hydro-pneumatic suspension system, with its good nonlinear characteristic, riding comfort and processing safety, can meet the ride comfort requirement of engineering truck to greatest extent, be widely used in the suspension of heavy-duty vehicle.
The canting phenomenon that the utility model occurs when there is load transfer for heavy-duty vehicle, devises a kind of suspension with anti-canting function.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that some heavy-duty vehicle easily rolls when there is load transfer, and provide a kind of anti-canting system, this system can suppress the suspension excessive deformation occurred due to load transfer, and can real-time response.
The technical solution of the utility model is as follows:
The utility model comprises a fuel feeding pile-up valve and two oil charging-discharging pile-up valves, wherein: fuel feeding pile-up valve comprises check valve 4, by pass valve 5, solenoid directional control valve 6, oil charging-discharging pile-up valve I comprises flow control valve 19, one-way throttle valve 20, flow control valve 21, control cock of draining the oil 22, check valve 23, flow control valve 24 and oil-filled control cock 25, and oil charging-discharging pile-up valve II comprises control cock 7 of draining the oil, flow control valve 8, oil-filled control cock 9, flow control valve 10, check valve 11, one-way throttle valve 12 and flow control valve 13.Flow control valve 19 and one-way throttle valve 20, flow control valve 13 and one-way throttle valve 12 are the damping module between hydraulic actuating cylinder 16,17 and energy storage 18,14.
The utility model has the advantages that:
1, two hydraulic actuating cylinders 16,17 in the same vehicle bridge suspension of the utility model are set to communication type, when the load that communication type is suspended on vehicle bridge both sides changes, fluid mutually compensates between the large chamber and loculus of hydraulic actuating cylinder, is conducive to suppressing canting when moving velocity is higher.
2, the utility model fluid damping module reciprocated through under the effect of pressure reduction between hydraulic actuating cylinder 16,17 and energy storage 14,18 realizes damping and regulates, and improves the ride comfort travelled further, realizes the anti-canting function of vehicle body.
3, stability when the utility model flow control valve 10,24 ensure that oil-filled, the safety that when flow control valve 8,21 ensure that and drains the oil, vehicle travels, system has good safety performance.
4, the utility model has carried out the Integrated design of three valve blocks, i.e. fuel feeding pile-up valve and oil charging-discharging pile-up valve I, II, effectively reduces hydraulic tubing and connects, improve integration degree, makes that system is simple, reliable operation, and is convenient to system maintenance and management.
Accompanying drawing explanation
Fig. 1 is anti-canting system hydraulic schematic diagram;
In figure: the 1-oil absorption filter 2-hydraulic actuating cylinder 3-force feed filter 4-check valve 5-by pass valve 6-solenoid directional control valve 7-control cock 8-flow control valve 9-oil-filled control cock 10-flow control valve 11-check valve 12-one-way throttle valve 13-flow control valve 14-energy storage 15-energy storage 16-hydraulic actuating cylinder 17-hydraulic actuating cylinder 18-energy storage 19-flow control valve 20-one-way throttle valve 21-flow control valve 22-that drains the oil drains the oil the oil-filled control cock 26-fuel tank of control cock 23-check valve 24-flow control valve 25-
Detailed description of the invention
With reference to Fig. 1, the anti-canting system of a kind of novel heavy duty vehicle of the utility model, it comprises oil absorption filter 1, Hydraulic Pump 2, force feed filter 3, fuel feeding pile-up valve, oil charging-discharging pile-up valve I, oil charging-discharging pile-up valve II, energy storage, hydraulic actuating cylinder and fuel tank 26.
The P mouth of described fuel feeding pile-up valve and the outlet of force feed filter 3, T mouth takes back fuel tank, and when system carries out oil charging-discharging, solenoid directional control valve 6 is energized and commutates, and by pass valve 5 makes system enter to erect operating oil pressure.Wherein check valve 4 is placed in delivery side of pump place, prevents system pressure from raising suddenly and oppositely passes to pump, thus avoids pump to reverse or damage.
Described energy storage 15 is located in main oil passage, and its oil inlet is communicated with the A mouth of fuel feeding pile-up valve, and Main Function is absorption pressure pulsation, improves hydraulic work system performance; When relaxing oil charging-discharging, reversing control valve commutates the compression shock caused; Stored energy, ensures the rapidity of oil-filled action.
The P of described oil charging-discharging pile-up valve I
1mouth is communicated with the A mouth of fuel feeding pile-up valve, T
1be communicated with mouthful with the T mouth of fuel feeding pile-up valve and together take back fuel tank, D
1mouth is communicated with energy storage 18.The P of described oil charging-discharging pile-up valve II
2mouth is communicated with the A mouth of fuel feeding pile-up valve, T
2be communicated with mouthful with the T mouth of fuel feeding pile-up valve and together take back fuel tank, D
2mouth is communicated with energy storage 14.Control cock of wherein draining the oil 7,22, when normal position, relies on the check valve of its inside to realize the locking of fluid, when its energising commutation, makes the fluid in hydraulic actuating cylinder be back to fuel tank.Flow control valve 8 is connected on hydraulic actuating cylinder 16 and drains the oil between control cock 7, and flow control valve 21 is connected on hydraulic actuating cylinder 17 and drains the oil between control cock 22, the safety that when ensureing to drain the oil, vehicle travels.When oil-filled control cock 9,25 is energized and commutates, high pressure oil enters hydraulic actuating cylinder through it.Flow control valve 10 is connected between hydraulic actuating cylinder 16 and oil-filled control cock 9, and flow control valve 24 is connected between hydraulic actuating cylinder 17 and oil-filled control cock 25, ensures the stability of topping up.Check valve 11,23 ensures the fluid locking of topping up oil circuit.Flow control valve 19 and one-way throttle valve 20, flow control valve 13 and one-way throttle valve 12 are the damping module between hydraulic actuating cylinder 16,17 and energy storage 18,14, and damping module realizes the adjustment of tension and compression damping, ensure the ride comfort travelled.
The large loculus of described hydraulic actuating cylinder 16 and hydraulic actuating cylinder 17 is set to communication type, and when the load of vehicle bridge both sides changes, fluid mutually compensates between the large chamber and loculus of hydraulic actuating cylinder 16,17, effectively can suppress canting.
Be connected with oil absorption filter 1 between the oil inlet of described Hydraulic Pump 2 and fuel tank 26, the fluid entering pump cleaned, protection pump.Be connected with force feed filter 3 between the oil outlet of described Hydraulic Pump 2 and the P mouth of fuel feeding integrated valve block, the fluid entering hydraulic efficiency pressure system is cleaned, the Hydraulic Elements in protection pump downstream.
Claims (4)
1. the anti-canting system of novel heavy duty vehicle, it is characterized in that: it comprises oil absorption filter (1), Hydraulic Pump (2), force feed filter (3), fuel feeding pile-up valve, oil charging-discharging pile-up valve I, oil charging-discharging pile-up valve II, energy storage (14), energy storage (15), hydraulic actuating cylinder (16), hydraulic actuating cylinder (17), energy storage (18) and fuel tank (26), hydraulic oil is entered the entrance of Hydraulic Pump (2) through oil absorption filter (1) by described fuel tank (26), enter the P mouth of fuel feeding pile-up valve through force feed filter (3) from the outlet of Hydraulic Pump (2), the P of oil charging-discharging pile-up valve I is out entered from the A mouth of fuel feeding pile-up valve
1the P of mouth and oil charging-discharging pile-up valve II
2mouthful, from the C of oil charging-discharging pile-up valve I
1the C of mouth and oil charging-discharging pile-up valve II
2mouth out enters the large loculus of hydraulic actuating cylinder (16) and hydraulic actuating cylinder (17), described energy storage (15) is located in main oil passage, its oil inlet is communicated with the A mouth of fuel feeding pile-up valve, the oil inlet of described energy storage (18) and the D of oil charging-discharging pile-up valve I
1mouth is communicated with, the oil inlet of described energy storage (14) and the D of oil charging-discharging pile-up valve II
2mouth is communicated with, the T of described oil charging-discharging pile-up valve I
1the T of mouth and oil charging-discharging pile-up valve II
2mouth takes back fuel tank (26) together with being communicated with the T mouth of fuel feeding pile-up valve.
2. the anti-canting system of a kind of novel heavy duty vehicle according to claim 1, it is characterized in that: described fuel feeding pile-up valve comprises check valve (4), by pass valve (5) and solenoid directional control valve (6), the oil inlet of described check valve (4), by pass valve (5) and solenoid directional control valve (6) is all connected to the P mouth of fuel feeding pile-up valve, the oil outlet of described check valve (4) is connected to the A mouth of fuel feeding pile-up valve, and the oil outlet of described by pass valve (5), solenoid directional control valve (6) is connected to the T mouth of fuel feeding pile-up valve.
3. the anti-canting system of a kind of novel heavy duty vehicle according to claim 1, it is characterized in that: described oil charging-discharging pile-up valve I comprises flow control valve (19), one-way throttle valve (20), flow control valve (21), control cock of draining the oil (22), check valve (23), flow control valve (24) and oil-filled control cock (25), when oil-filled control cock (25) obtains electric, fluid is by P
1mouth successively through oil-filled control cock (25), flow control valve (24), check valve (23), flow control valve (19) and one-way throttle valve (20) to D
1mouth is energy storage (18) topping up, and when control cock of draining the oil (22) obtains electric, fluid is by C
1mouth successively through flow control valve (21) and control cock of draining the oil (22) to T
1mouthful.
4. the anti-canting system of a kind of novel heavy duty vehicle according to claim 1, it is characterized in that: described oil charging-discharging pile-up valve II comprises control cock of draining the oil (7), flow control valve (8), oil-filled control cock (9), flow control valve (10), check valve (11), one-way throttle valve (12) and flow control valve (13), when oil-filled control cock (9) obtains electric, fluid is by P
2mouth successively through oil-filled control cock (9), flow control valve (10), check valve (11), flow control valve (13) and one-way throttle valve (12) to D
2mouth is energy storage (14) topping up, and when control cock of draining the oil (7) obtains electric, fluid is by C
2mouth successively through flow control valve (8) and control cock of draining the oil (7) to T
2mouthful.
Priority Applications (1)
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CN201420658733.XU CN204367809U (en) | 2014-11-05 | 2014-11-05 | The anti-canting system of a kind of novel heavy duty vehicle |
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CN201420658733.XU CN204367809U (en) | 2014-11-05 | 2014-11-05 | The anti-canting system of a kind of novel heavy duty vehicle |
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CN201420658733.XU Expired - Fee Related CN204367809U (en) | 2014-11-05 | 2014-11-05 | The anti-canting system of a kind of novel heavy duty vehicle |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105539061A (en) * | 2015-12-21 | 2016-05-04 | 中联重科股份有限公司 | Hydro-pneumatic suspension system for vehicle and vehicle with the same |
CN109955673A (en) * | 2017-12-26 | 2019-07-02 | 郑州宇通客车股份有限公司 | A kind of hydro-pneumatic suspension system and a kind of vehicle |
CN111120423A (en) * | 2020-01-13 | 2020-05-08 | 北京交通大学 | Hydraulic loading system for steering engine |
CN113427958A (en) * | 2021-06-22 | 2021-09-24 | 南京宝地梅山产城发展有限公司 | Multi-functional transport vechicle damping device in mine |
-
2014
- 2014-11-05 CN CN201420658733.XU patent/CN204367809U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105539061A (en) * | 2015-12-21 | 2016-05-04 | 中联重科股份有限公司 | Hydro-pneumatic suspension system for vehicle and vehicle with the same |
CN105539061B (en) * | 2015-12-21 | 2018-04-13 | 中联重科股份有限公司 | The hydro-pneumatic suspension system of vehicle and there is its vehicle |
CN109955673A (en) * | 2017-12-26 | 2019-07-02 | 郑州宇通客车股份有限公司 | A kind of hydro-pneumatic suspension system and a kind of vehicle |
CN111120423A (en) * | 2020-01-13 | 2020-05-08 | 北京交通大学 | Hydraulic loading system for steering engine |
CN111120423B (en) * | 2020-01-13 | 2021-03-23 | 北京交通大学 | Hydraulic loading system for steering engine |
CN113427958A (en) * | 2021-06-22 | 2021-09-24 | 南京宝地梅山产城发展有限公司 | Multi-functional transport vechicle damping device in mine |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151105 |
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EXPY | Termination of patent right or utility model |