CN209395864U - A kind of hydraulic system of wide dumper - Google Patents
A kind of hydraulic system of wide dumper Download PDFInfo
- Publication number
- CN209395864U CN209395864U CN201821797060.0U CN201821797060U CN209395864U CN 209395864 U CN209395864 U CN 209395864U CN 201821797060 U CN201821797060 U CN 201821797060U CN 209395864 U CN209395864 U CN 209395864U
- Authority
- CN
- China
- Prior art keywords
- connect
- reversal valve
- steering
- pipeline
- pump
- 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.)
- Withdrawn - After Issue
Links
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 24
- 239000003921 oil Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000008676 import Effects 0.000 claims description 15
- 238000004781 supercooling Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of hydraulic systems of wide dumper, it is characterized in that being made of hydraulic oil container, engine, power assistance pump for steering, high pressure filter, reversal valve, accumulator, cooling line, diverter, steering actuation cylinder, gearbox PTO, lifting pump, return filter, load lifting cylinder, Pneumatic reversal valve and connecting line；The power assistance pump for steering is connect with engine, and lifting pump is connect by transmission shaft with gearbox PTO；Power assistance pump for steering is connect after high pressure filter with reversal valve；Two oil circuits are formed after reversal valve, an oil circuit is connection accumulator and diverter, gives steering system fuel feeding；Another oil circuit is to connect after cooling line with Pneumatic reversal valve, gives hydraulic lifting system fuel feeding；It realizes emergency to turn to, improves safety, and can significantly reduce the oil temperature of hydraulic system, improve the cleannes of hydraulic oil.
Description
Technical field:
The utility model relates to off-highway wide dumper technical field, specifically a kind of wide dumper it is hydraulic
System.
Technical background:
Wide dumper is developed on the basis of dumper, and steering system and hydraulic lifting system are also continued to use
Dumper technology, steering system use hydraulic power-assisted steering, are two relatively independent systems with hydraulic lifting system.Existing turn
There are problems that two to system: 1, being limited by existing resource, steering system flow is relatively low, when suddenly beating direction, underfed；
2、
After running out of steam, hydraulic booster can not work, and can only complete to turn to by machine driving, but wide dumper
Weight on front axle it is big, rely solely on manpower and be unable to complete steering, steering of not meeting an urgent need, there are security risks.Some vehicles at present
Using normal streaming hydro-steering, steering system flow is increased, steering is light, and the steering but this structure is not met an urgent need is deposited
In larger security risk；Vehicle also uses gerotor type hydro-steering, but need to increase power takeoff, Variable plunger pump etc.,
It is at high cost.
Mining area haul distance is short, and packing case lifting is frequent, and the hydraulic fluid temperature of hydraulic lifting system is high, cleannes are poor, causes hydraulic
System failure rate is high, and service life is short.Further, since having continued to use the hydraulic lifting system of dumper, the flow of lifting pump is small, lifts
Lifting speed is slow, and rate of discharging is low.
Utility model content:
The purpose of the utility model is to overcome the deficiencies of above-mentioned prior art, provide a kind of hydraulic pressure system of wide dumper
System；Mainly solve that existing wide dumper steering system flow is small, turns to without emergency, hydraulic lifting system oil temperature is high, cleaning
Spend the problems such as poor, lifting pump flow is small, lifting speed is slow and rate of discharging is low.
The technical solution of the utility model is: a kind of hydraulic system of wide dumper is characterized in that, by hydraulic
Fuel tank, engine, power assistance pump for steering, high pressure filter, reversal valve, accumulator, cooling line, diverter, steering actuation cylinder, change
Fast case PTO, lifting pump, return filter, load lifting cylinder, Pneumatic reversal valve and connecting line composition；The power assistance pump for steering with
Engine connection, lifting pump are connect with gearbox PTO, and steering actuation cylinder both ends are connect with vehicle bridge two sides respectively, load lifting cylinder installation
Between container and vehicle frame, Pneumatic reversal valve is fixed on hydraulic oil container；The hydraulic oil container, high pressure filter, reversal valve,
Accumulator, cooling line, return filter are fixed on vehicle frame, and diverter is fixed on driver's cabin；
The import of the power assistance pump for steering is connected with hydraulic tank by pipeline, and the outlet of power assistance pump for steering passes through pipeline
It is connect with the import of high pressure filter, the outlet of high pressure filter is connected by the P mouth of pipeline and reversal valve；1 mouthful of reversal valve
P mouth, accumulator by pipeline respectively at diverter connect, and 2 mouthfuls of reversal valve pass through the P after cooling line with Pneumatic reversal valve
Mouth connection, the TS mouth of reversal valve are connect with accumulator；R, L mouth of diverter are connect with steering actuation cylinder respectively by pipeline, are turned
It is connected to the T mouth of device by the import of pipeline and return filter；The import of lifting pump is connected with hydraulic tank by pipeline, is lifted
The outlet for rising pump is connected by the P mouth of pipeline and Pneumatic reversal valve；The outlet of Pneumatic reversal valve is connect by pipeline with load lifting cylinder,
The T mouth of Pneumatic reversal valve is connected by the import of pipeline and return filter, and the outlet of oil strainer passes through pipeline and hydraulic oil
Case connection.
Compared with the prior art a kind of hydraulic system of wide dumper described in the utility model has following actively effect
Fruit: 1, replacing the variable pump in existing gerotor type hydro-steering using the combination of constant displacement pump and reversal valve, turn to it is light, at
Emergency is realized in the case where this variation less to turn to, improves safety, and can significantly reduce the oil temperature of hydraulic system, is improved
The cleannes of hydraulic oil；2, steering system is merged with hydraulic lifting system, it is preferential to guarantee to provide energy to steering；It does not need to turn
Xiang Shi, steering pump and lifting pump collaborate, and improve lifting speed；When not turning to, not lifting, steering pump still band hydrodynamic pressure
Oil stream is dynamic, by heat dissipation pipeline and return filter, realizes heat dissipation, filtering function.
Detailed description of the invention:
Fig. 1 is the systematic schematic diagram of the utility model.
Wherein, 1 hydraulic oil container, 2 engine, 3 power assistance pump for steering, 4 high pressure filter, 5 reversal valve, 6 accumulator
The lifting of 7 cooling line, 8 diverter, 9 steering actuation cylinder, 10 gearbox PTO, 11 lifting pump, 12 return filter 13
14 Pneumatic reversal valve of cylinder.
Specific embodiment:
For a better understanding and implementation, providing specific embodiment with reference to the accompanying drawing is described in detail the utility model；Institute
It is served only for explaining the utility model for embodiment, is not intended to limit the scope of the utility model.
Power assistance pump for steering 3 is connect, lifting pump 11 passes through transmission by embodiment 1 referring to Fig. 1 by design requirement with engine 2
Axis is connect with gearbox PTO 10, and power assistance pump for steering 3 and lifting pump 11 are all quantitative gear pumps；By 9 both ends of steering actuation cylinder point
It is not connect with vehicle bridge two sides；Load lifting cylinder 13 is mounted between container and vehicle frame, Pneumatic reversal valve 14 is fixed on hydraulic oil container 1
On；Hydraulic oil container 1, high pressure filter 4, reversal valve 5, accumulator 6, cooling line 7, return filter 12 are fixed on vehicle frame
On, diverter 8 is fixed on driver's cabin；Using each part of piping connection；
The import of power assistance pump for steering 3 is connect by pipeline with hydraulic oil container 1, the outlet of power assistance pump for steering 3 passes through pipeline
It is connect with the import of high pressure filter 4, the outlet of high pressure filter 4 is connect by pipeline with the P of reversal valve 5 mouth；Reversal valve 5
1 mouthful of P mouth, accumulator 6 by pipeline respectively at diverter 8 connects, and 2 mouthfuls of reversal valve 5 after cooling line 7 with gas control by changing
It is connected to the P mouth of valve 14, the TS mouth of reversal valve 5 is connect with accumulator 6；R, L mouth of diverter 8 by pipeline respectively with steering
Servo-cylinder 9 connects, and the T mouth of diverter 8 is connect by pipeline with the import of return filter 12；The import of lifting pump 11 passes through pipe
Road is connect with hydraulic oil container 1, and the outlet of lifting pump 11 is connect by pipeline with the P of Pneumatic reversal valve 14 mouth；Pneumatic reversal valve 14
Outlet connect with load lifting cylinder 13 by pipeline, T mouth of Pneumatic reversal valve 14 passes through import company of the pipeline with return filter 12
It connects, the outlet of oil strainer 12 is connect by pipeline with hydraulic oil container 1；
Two oil circuits are formed after reversal valve, an oil circuit is connection accumulator 6 and diverter 8, gives steering system fuel feeding；Separately
One oil circuit is to connect after cooling line 7 with Pneumatic reversal valve 14, gives hydraulic lifting system fuel feeding；This is formed by above-mentioned connection
A kind of hydraulic system of wide dumper of utility model.
A kind of hydraulic system of wide dumper described in the utility model, when work:
When steering wheel rotation, the pressure reduction of accumulator 6 makes reversal valve 5 commutate by controlling oil circuit, and hydraulic oil flows through
1 mouthful of reversal valve 5 flows into steering actuation cylinder 9 by diverter 8, realizes and turn to；
When vehicle losing power, power assistance pump for steering 3 no longer provides power.When steering, the hydraulic oil stored in accumulator 6 is logical
It crosses diverter 8 and flows into steering actuation cylinder 9, realize and turn to.To guarantee that driver has the enough reaction time, what accumulator 6 stored
Hydraulic oil guarantees that vehicle is able to achieve three full steerings；
When packing case lifting, steering system does not work at this time, and the hydraulic oil interflow of power assistance pump for steering 3 and lifting pump 11 is passed through
Latter act as of Pneumatic reversal valve 14 uses load lifting cylinder 13, cargo box hoisting；
When not turning to, not lifting, power assistance pump for steering 3 still works, lifting pump 11 does not work, at this time power assistance pump for steering 3
Hydraulic oil returns to hydraulic oil container 1 after heat dissipation pipeline 4, return filter 12, realizes heat dissipation, filtering function.
Claims (1)
1. a kind of hydraulic system of wide dumper, which is characterized in that by hydraulic oil container (1), engine (2), power assistance pump for steering
(3), high pressure filter (4), reversal valve (5), accumulator (6), cooling line (7), diverter (8), steering actuation cylinder (9), change
Fast case PTO (10), lifting pump (11), return filter (12), load lifting cylinder (13), Pneumatic reversal valve (14) and connecting line group
At；The power assistance pump for steering (3) is connect with engine (2), and lifting pump (11) is connect with gearbox PTO (10), power steering
Cylinder (9) both ends are connect with vehicle bridge two sides respectively, and load lifting cylinder (13) is mounted between container and vehicle frame, and Pneumatic reversal valve (14) is fixed
On hydraulic oil container (1)；The hydraulic oil container (1), high pressure filter (4), reversal valve (5), accumulator (6), cooling line
(7), return filter (12) is fixed on vehicle frame, and diverter (8) is fixed on driver's cabin；
The import of the power assistance pump for steering (3) is connect by pipeline with hydraulic oil container (1), and the outlet of power assistance pump for steering (3) is logical
It crosses pipeline to connect with the import of high pressure filter (4), the outlet of high pressure filter (4) passes through the P mouth company of pipeline and reversal valve (5)
It connects；P mouth, accumulator (6) of 1 mouthful of reversal valve (5) by pipeline respectively at diverter (8) connect, and 2 mouthfuls of reversal valve (5) are logical
Supercooling pipeline (7) is connect with the P mouth of Pneumatic reversal valve (14) afterwards, and the TS mouth of reversal valve (5) is connect with accumulator (6)；It turns to
R, L mouth of device (8) are connect with steering actuation cylinder (9) respectively by pipeline, and the T mouth of diverter (8) passes through pipeline and oil return filter
The import of device (12) connects；The import of lifting pump (11) is connect by pipeline with hydraulic oil container (1), and the outlet of lifting pump (11) is logical
Pipeline is crossed to connect with the P mouth of Pneumatic reversal valve (14)；The outlet of Pneumatic reversal valve (14) is connect by pipeline with load lifting cylinder (13),
The T mouth of Pneumatic reversal valve (14) is connect by pipeline with the import of return filter (12), and the outlet of oil strainer (12) passes through
Pipeline is connect with hydraulic oil container (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797060.0U CN209395864U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic system of wide dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797060.0U CN209395864U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic system of wide dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209395864U true CN209395864U (en) | 2019-09-17 |
Family
ID=67879608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821797060.0U Withdrawn - After Issue CN209395864U (en) | 2018-11-02 | 2018-11-02 | A kind of hydraulic system of wide dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209395864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334759A (en) * | 2018-11-02 | 2019-02-15 | 山东蓬翔汽车有限公司 | A kind of hydraulic system of wide dumper |
| CN111776066A (en) * | 2020-07-30 | 2020-10-16 | 三一汽车起重机械有限公司 | Energy storage emergency steering module, hydraulic steering system and control method thereof |
-
2018
- 2018-11-02 CN CN201821797060.0U patent/CN209395864U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334759A (en) * | 2018-11-02 | 2019-02-15 | 山东蓬翔汽车有限公司 | A kind of hydraulic system of wide dumper |
| CN109334759B (en) * | 2018-11-02 | 2024-04-05 | 山东蓬翔汽车有限公司 | Hydraulic system of wide dump truck |
| CN111776066A (en) * | 2020-07-30 | 2020-10-16 | 三一汽车起重机械有限公司 | Energy storage emergency steering module, hydraulic steering system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190917 Effective date of abandoning: 20240405 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190917 Effective date of abandoning: 20240405 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |