CN206297405U - A kind of propons assistant drive system of off-highway wide dumper - Google Patents
A kind of propons assistant drive system of off-highway wide dumper Download PDFInfo
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- CN206297405U CN206297405U CN201621396047.5U CN201621396047U CN206297405U CN 206297405 U CN206297405 U CN 206297405U CN 201621396047 U CN201621396047 U CN 201621396047U CN 206297405 U CN206297405 U CN 206297405U
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- valve
- outlet
- entrance
- dumper
- hand
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Abstract
The utility model discloses a kind of propons assistant drive system of off-highway wide dumper, including lifting pump, hand-operated direction valve, the first check valve, fixed displacement motor, energy regenerating and reutilization system, long-range voltage-regulating system and fuel tank；The entrance of lifting pump is connected with fuel tank, the outlet of lifting pump is connected with the entrance of hand-operated direction valve, first outlet on hand-operated direction valve is connected with the lifting mechanism of dumper, second outlet on hand-operated direction valve is connected with the entrance of the first check valve and the entrance of long-range voltage-regulating system, the outlet of the first check valve is connected with the entrance of fixed displacement motor and energy regenerating with reutilization system, the output shaft of fixed displacement motor is connected with the front driving axle of dumper, the outlet of fixed displacement motor is connected with fuel tank, the system can improve the grade climbing performance of dumper, the recycling of braking energy can be realized simultaneously.
Description
Technical field
The utility model belongs to technical field of automobile components, is related to a kind of propons process auxiliary drive of off-highway wide dumper
System.
Background technology
Off-highway wide dumper is used to complete the tasks such as rock earthwork transportation and Ore Transportation in outdoor occasion
A kind of off-highway use heavy-duty tipper, using mine truck offset cab and the arrangement side of dumper power drive system
Formula, vehicle frame is strengthened, and compartment is widened, increased, and suspension system is strengthened, and other positions improvement, and match high-power and start
The measures such as machine are allowed to be adapted to as far as possible the use environment in mine.But, due to the reason such as the road in mining area is wet and slippery, the gradient is excessive, from
Unloading, it is not enough grade climbing performance easily occur, the problems such as tyre slip.For example, during fully loaded climbing, it may appear that one grade travels then speed
Too slow, two grades travel the then hypodynamic problem of rear wheel drive；After discharging terminates, it may appear that trailing wheel be trapped in hole in cannot extricate oneself ask
Topic.Additionally, off-highway wide dumper frequently encounters descent run or heavy duty traveling, frequently starting, acceleration, braking, parking
Etc. operating mode.Frequently braking can cause the huge consumption of vehicle energy, reduce fuel economy, influence vehicle dynamic property.Therefore, need
To be optimized on the basis of vehicle original system perfect, install a set of propons assistant drive system additional, increase adhesion weight, filled
Propons adhesive force is waved in distribution so that when vehicle is travelled in severe road surface operating mode, with enough driving forces, possess higher climbing
Slope ability.Meanwhile, the energy regenerating that will be braked, when dumper is again started up or accelerates, the recycling that realization recovers energy.
Utility model content
The purpose of this utility model is the shortcoming for overcoming above-mentioned prior art, there is provided a kind of off-highway wide dumper
Propons assistant drive system, the system can improve the grade climbing performance of dumper, while the recovery of braking energy can be realized
Recycle.
To reach above-mentioned purpose, the propons assistant drive system of off-highway wide dumper described in the utility model includes
Lifting pump, hand-operated direction valve, the first check valve, fixed displacement motor, energy regenerating and reutilization system, long-range voltage-regulating system and oil
Case；
The entrance of lifting pump is connected with fuel tank, and the outlet of lifting pump is connected with the entrance of hand-operated direction valve, changes manually
It is connected with the lifting mechanism of dumper to the first outlet on valve, the second outlet on hand-operated direction valve and the first check valve
The entrance of entrance and long-range voltage-regulating system is connected, the outlet of the first check valve and the entrance of fixed displacement motor and energy regenerating with again
It is connected using system, the output shaft of fixed displacement motor is connected with the front driving axle of dumper, the outlet of fixed displacement motor and fuel tank
It is connected.
The outlet of lifting pump is connected through the second check valve with the entrance of hand-operated direction valve.
Also include main overflow valve, wherein, the entrance of main overflow valve is connected with the outlet of lifting pump, the outlet of main overflow valve
It is connected with fuel tank.
The long-range voltage-regulating system includes pilot-type relief valve, two-position two-way solenoid valve and remote pressure regulating valve, wherein, guide
The entrance of type overflow valve is connected with the second outlet on hand-operated direction valve, and the oil-out of pilot-type relief valve is connected with fuel tank
Logical, the control port of pilot-type relief valve is connected through two-position two-way solenoid valve with remote pressure regulating valve.
Energy regenerating and reutilization system include hydraulic control one-way valve, magnetic valve and accumulator, the outlet of the first check valve with
The entrance of hydraulic control one-way valve is connected, and the outlet of hydraulic control one-way valve is connected with accumulator, and accumulator is through magnetic valve and hydraulic control list
It is connected to the control port of valve.
The utility model has the advantages that：
The propons assistant drive system of off-highway wide dumper described in the utility model works as self-unloading in specific works
When the lifting mechanism of car does not work, then switch hand-operated direction valve, pressure oil passes through lifting pump, hand-operated direction valve and the first check valve
Enter into fixed displacement motor, fixed displacement motor drives the front driving axle of dumper to rotate, and dumper is converted to entirely by rear bridge driven
Bridge drives, and improves the driving force of vehicle, and then improve the grade climbing performance of dumper.When dumper deceleration or stopping brake,
Fixed displacement motor is inverted, during pressure oil enters into energy regenerating and reutilization system through fixed displacement motor, when dumper is climbed or is started
When, front driving axle is driven by fixed displacement motor together with the pressure oil that energy regenerating is exported with reutilization system with lifting pump, so that
The recycling of dumper braking energy is realized, simple structure is easy to operate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the in running order hydraulic schematic of the utility model；
Fig. 3 is the hydraulic schematic that the utility model is in Brake energy recovery state.
Wherein, 1 be lifting pump, 2 be the second check valve, 3 be main overflow valve, 4 be hand-operated direction valve, 5 be long-range pressure regulation system
System, 51 be pilot-type relief valve, 52 be two-position two-way solenoid valve, 53 be remote pressure regulating valve, 6 be the first check valve, 7 be quantitative horse
Up to, 8 be energy regenerating and reutilization system, 81 be hydraulic control one-way valve, 82 be magnetic valve, 83 be accumulator, 9 be front driving axle,
10 is lifting mechanism.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1, the propons assistant drive system of off-highway wide dumper described in the utility model includes lifting pump
1st, hand-operated direction valve 4, the first check valve 6, fixed displacement motor 7, energy regenerating and reutilization system 8, long-range voltage-regulating system 5 and oil
Case；The entrance of lifting pump 1 is connected with fuel tank, and the outlet of lifting pump 1 is connected with the entrance of hand-operated direction valve 4, manual reverse of direction
First outlet on valve 4 is connected with the lifting mechanism 10 of dumper, the second outlet on hand-operated direction valve 4 and the first check valve
The entrance of 6 entrance and long-range voltage-regulating system 5 is connected, and the outlet of the first check valve 6 is returned with the entrance of fixed displacement motor 7 and energy
Receipts are connected with reutilization system 8, and the output shaft of fixed displacement motor 7 is connected with the front driving axle 9 of dumper, fixed displacement motor 7
Outlet is connected with fuel tank.
The outlet of lifting pump 1 is connected through the second check valve 2 with the entrance of hand-operated direction valve 4.The utility model also includes
Main overflow valve 3, wherein, the entrance of main overflow valve 3 is connected with the outlet of lifting pump 1, and the outlet of main overflow valve 3 is connected with fuel tank
It is logical；The long-range voltage-regulating system 5 includes pilot-type relief valve 51, two-position two-way solenoid valve 52 and remote pressure regulating valve 53, wherein, first
The entrance of conductivity type overflow valve 51 is connected with the second outlet on hand-operated direction valve 4, oil-out and the oil of pilot-type relief valve 51
Case is connected, and the control port of pilot-type relief valve 51 is connected through two-position two-way solenoid valve 52 with remote pressure regulating valve 53；Energy is returned
Receive includes hydraulic control one-way valve 81, magnetic valve 82 and accumulator 83, outlet and the hydraulic control list of the first check valve 6 with reutilization system 8
Entrance to valve 81 is connected, and the outlet of hydraulic control one-way valve 81 is connected with accumulator 83, and accumulator 83 is through magnetic valve 82 and liquid
The control port for controlling check valve 81 is connected.
Specific work process of the present utility model is：
When the hoisting system not operation of dumper, lifting pump 1 to be used for the hydraulic pump of propons assistant drive system, user
The handle of hand-operated direction valve 4 is pressed, hand-operated direction valve 4 is operated in left position, and pressure oil passes through lifting pump 1, the second check valve 2, hand
Dynamic reversal valve 4, the first check valve 6 enter fixed displacement motor 7, and fixed displacement motor 7 drives the front driving axle 9 of dumper to rotate, by self-unloading
Car is changed to full-bridge and drives by rear bridge driven, gives full play to the adhesive force of propons, improves the driving force of vehicle, realizes that propons auxiliary is driven
Dynamic purpose.The pressure of hydraulic system is controlled by main overflow valve 3 simultaneously, steady state is kept when reaching set pressure.
Long-range voltage-regulating system 5 is connected in parallel on the exit of lifting pump 1, wherein, the control port of pilot-type relief valve 51 is by bi-bit bi-pass electricity
Magnet valve 52 and remote pressure regulating valve 53 are controlled.When loading smaller, the no power of two-position two-way solenoid valve 52, two-position two-way solenoid valve 52
Right position it is in running order, system pressure by pilot-type relief valve 51 complete set up；When increase is loaded, bi-bit bi-pass electromagnetism
Valve 52 is powered, and the left position of two-way electromagnetic valve 82 is in running order, and system pressure is completed to set up by remote pressure regulating valve 53, realizes system
The setting of system two-stage oil pressure relief.
Referring to Fig. 3, when dumper deceleration or stopping brake, fixed displacement motor 7 is inverted, and pressure oil enters through fixed displacement motor 7
In entering energy regenerating and reutilization system 8, and will be entered into accumulator 83 through hydraulic control one-way valve 81；When dumper climbing or
During startup, then when opening propons assistant drive system, obtain magnetic valve 82 electric, the hydraulic oil in accumulator 83 passes through magnetic valve 82
Act in the control port of hydraulic control one-way valve 81, hydraulic control one-way valve 81 is inversely turned on, the pressure oil in accumulator 83 passes through
The oiler of hydraulic control one-way valve 81 and control port are entered into fixed displacement motor 7, realize the Brake Energy reclaimed in accumulator 83
The regeneration of amount, makes it together with the pressure oil of the output of lifting pump 1 for front driving axle 9 provides power.
Claims (5)
1. a kind of propons assistant drive system of off-highway wide dumper, it is characterised in that including lifting pump (1), change manually
To valve (4), the first check valve (6), fixed displacement motor (7), energy regenerating and reutilization system (8), long-range voltage-regulating system (5) and oil
Case；
The entrance of lifting pump (1) is connected with fuel tank, and the outlet of lifting pump (1) is connected with the entrance of hand-operated direction valve (4), hand
First outlet on dynamic reversal valve (4) is connected with the lifting mechanism (10) of dumper, the second outlet on hand-operated direction valve (4)
Be connected with the entrance of the first check valve (6) and the entrance of long-range voltage-regulating system (5), the outlet of the first check valve (6) with it is quantitative
The entrance and energy regenerating of motor (7) are connected with reutilization system (8), before the output shaft and dumper of fixed displacement motor (7)
Drive axle (9) is connected, and the outlet of fixed displacement motor (7) is connected with fuel tank.
2. the propons assistant drive system of off-highway wide dumper according to claim 1, it is characterised in that lifting pump
(1) outlet is connected through the second check valve (2) with the entrance of hand-operated direction valve (4).
3. the propons assistant drive system of off-highway wide dumper according to claim 1, it is characterised in that also include
Main overflow valve (3), wherein, the entrance of main overflow valve (3) is connected with the outlet of lifting pump (1), the outlet of main overflow valve (3) with
Fuel tank is connected.
4. the propons assistant drive system of off-highway wide dumper according to claim 1, it is characterised in that described remote
Journey voltage-regulating system (5) includes pilot-type relief valve (51), two-position two-way solenoid valve (52) and remote pressure regulating valve (53), wherein, first
The entrance of conductivity type overflow valve (51) is connected with the second outlet on hand-operated direction valve (4), pilot-type relief valve (51) it is fuel-displaced
Mouth is connected with fuel tank, and the control port of pilot-type relief valve (51) is through two-position two-way solenoid valve (52) and remote pressure regulating valve (53)
It is connected.
5. the propons assistant drive system of off-highway wide dumper according to claim 1, it is characterised in that energy is returned
To receive include hydraulic control one-way valve (81), magnetic valve (82) and accumulator (83) with reutilization system (8), and the first check valve (6) go out
Mouth is connected with the entrance of hydraulic control one-way valve (81), and the outlet of hydraulic control one-way valve (81) is connected with accumulator (83), accumulator
(83) it is connected with the control port of hydraulic control one-way valve (81) through magnetic valve (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396047.5U CN206297405U (en) | 2016-12-19 | 2016-12-19 | A kind of propons assistant drive system of off-highway wide dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396047.5U CN206297405U (en) | 2016-12-19 | 2016-12-19 | A kind of propons assistant drive system of off-highway wide dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206297405U true CN206297405U (en) | 2017-07-04 |
Family
ID=59214862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621396047.5U Expired - Fee Related CN206297405U (en) | 2016-12-19 | 2016-12-19 | A kind of propons assistant drive system of off-highway wide dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206297405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740083A (en) * | 2016-12-19 | 2017-05-31 | 长安大学 | A kind of propons assistant drive system of dumper |
-
2016
- 2016-12-19 CN CN201621396047.5U patent/CN206297405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740083A (en) * | 2016-12-19 | 2017-05-31 | 长安大学 | A kind of propons assistant drive system of dumper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |