CN206571758U - A kind of small-size multifunction cleaning vehicle hydraulic control device - Google Patents
A kind of small-size multifunction cleaning vehicle hydraulic control device Download PDFInfo
- Publication number
- CN206571758U CN206571758U CN201621467234.8U CN201621467234U CN206571758U CN 206571758 U CN206571758 U CN 206571758U CN 201621467234 U CN201621467234 U CN 201621467234U CN 206571758 U CN206571758 U CN 206571758U
- Authority
- CN
- China
- Prior art keywords
- oil circuit
- valve
- pump
- safety valve
- control
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 238000010408 sweeping Methods 0.000 claims abstract description 17
- 239000002828 fuel tank Substances 0.000 claims abstract description 11
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 33
- 239000010720 hydraulic oil Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of small-size multifunction cleaning vehicle hydraulic control device, including sweep disk oil circuit, multiple control oil circuits, it is characterised in that：Sweeping disk oil circuit includes safety valve I, safety valve II, magnetic valve（3D、4D）, hydraulic motor and fuel tank, the double pump for sweeping disk oil circuit and duplex gear pump is connected, duplex gear pump includes a high-capacity pump and a low-capacity pump, multiple control oil circuits are in parallel, each control oil circuit includes magnetic valve, adjustable throttling, control cylinder, and low-capacity pump, safety valve II of the control oil circuit with duplex gear pump are connected.The advantage of the utility model device is in the case of utilizing engine power certain, it is separately controlled using high-pressure low-flow and low pressure and mass flow, ensure to meet each operating mode needs during engine idling operation, solve multifunction road and care the car in idling operation engine the problem of easily stop working, while having the effect of energy-conservation.
Description
Technical field
The utility model is related to a kind of hydraulic control device, more particularly to a kind of small-size multifunction cleaning vehicle hydraulic control
Device.
Background technology
In multifunction road is cared the car and washes and sweep work, the multiple actions of HYDRAULIC CONTROL SYSTEM, wherein sweeping disk work needs low pressure
Big flow, lifting rotary movement need high-pressure low-flow.In existing method, the speed swept is washed to meet using a huge discharge oil pump
Degree requirement, then the pressure that system pressure is transferred to lifting, rotary movement needs；So multifunction road is cared the car lifts in idling
Engine is easy to stop working when liter, rotary movement.
The content of the invention
The purpose of this utility model is to provide a kind of small-size multifunction cleaning vehicle hydraulic control device, to solve the above-mentioned back of the body
The multifunction road proposed in scape technology care the car lift in idling, rotary movement when engine be easy to flame-out problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of small-size multifunction cleaning vehicle hydraulic control device, including disk oil circuit, multiple control oil circuits are swept, its feature exists
In：Sweeping disk oil circuit includes safety valve I, safety valve II, magnetic valve（3D、4D）, hydraulic motor and fuel tank, sweep disk oil circuit and duplex-gear
The double pump of wheel pump is connected, and duplex gear pump includes a high-capacity pump and a low-capacity pump, and multiple control oil circuits are in parallel, often
Individual control oil circuit includes magnetic valve, adjustable throttling, control cylinder, low-capacity pump of the control oil circuit with duplex gear pump, peace
Full valve II is connected.
Further, the safety valve I is low-pressure safety valve, is made up of magnetic valve 1D, overflow valve I, and safety valve II is height
Safety valve is pressed, is made up of magnetic valve 2D, overflow valve II.
Further, the control oil circuit is provided with lifting control oil circuit, upset control oil circuit.
Further, the lifting control oil circuit, upset control oil circuit are provided with dual hydraulic control one-way valve.
It is of the present utility model to sweep disk oil circuit, for controlling cleaning vehicle to sweep disk cleaning works, when sweeping disk actuating signal and sending,
The magnetic valve 1D of safety valve I, the magnetic valve 2D of safety valve II are powered simultaneously, the size oil pump of duplex gear pump simultaneously by P1,
P2 hydraulic fluid ports provide the hydraulic oil of low pressure and mass flow to the hydraulic motor that disk is swept in control, improve the rotary speed for sweeping disk, pass through electromagnetism
Valve (3D, 4D) control sweeps disk and cleans direction, and the refuse sweeping on road surface is clean.When hypertonia, overflow valve I works, and one
Section hydraulic oil flows back to fuel tank by overflow valve I, so as to ensure that the smooth working of hydraulic motor.When the magnetic valve of safety valve I
During 1D dead electricity, the oil that the high-capacity pump of duplex gear pump is provided flows back to fuel tank through overflow valve I, and hydraulic motor does not work.
Control oil circuit of the present utility model is used for the lifting and upset for controlling to sweep disk, when the magnetic valve 2D of safety valve II obtains electric
When, the oil of low-capacity pump supplies the lifting for sweeping disk and the hydraulic oil for overturning control cylinder high-pressure low-flow through P2 hydraulic fluid ports simultaneously, leads to
Cross magnetic valve (5D, 6D) control and sweep disk lifting, right upset of facing left is swept by magnetic valve (7D, 8D) control, it is adjustable by regulation
Stream valve can control to sweep the movement velocity of disk, by the adjustable systems pressure of overflow valve II, complete lifting and rotary movement, pass through
Dual hydraulic control one-way valve makes control cylinder have auto-lock function, and sweeping disk can stop at an arbitrary position.When magnetic valve 2D dead electricity, hydraulic pressure
Oil flows back to fuel tank through overflow valve II, and lifting and upset control cylinder do not work.
The advantage of the utility model device is in the case of utilizing engine power certain, using high-pressure low-flow and low pressure
Big flow is separately controlled, it is ensured that each operating mode needs are met during engine idling operation, multifunction road is solved and cares the car idle
The problem of operation engine easily stops working when fast, while having the effect of energy-conservation.
Brief description of the drawings
Fig. 1 is Hydraulic System Principle schematic diagram of the present utility model；
In figure：1st, duplex gear pump, 2, power takeoff, 3, fuel tank, 4, safety valve I, 4-1, overflow valve I, 5, safety valve II,
5-1, overflow valve II, 6, hydraulic motor, 7, lifting control cylinder, 8, upset control cylinder, 9, adjustable throttling, 10, double hydraulic control
Check valve.
Embodiment
As shown in figure 1, the utility model embodiment includes sweeping disk oil circuit, lifting control oil circuit, upset control oil circuit, disk is swept
Oil circuit includes safety valve I 4, safety valve II 5, magnetic valve（3D、4D）, hydraulic motor 6 and fuel tank 3, safety valve I 4 is low-voltage safety
Valve, is made up of magnetic valve 1D, the 4-1 of overflow valve I, and safety valve II 5 is high-pressure safety valve, by magnetic valve 2D, the 5-1 groups of overflow valve II
Into, sweep disk oil circuit and the double pump of duplex gear pump 1 be connected, duplex gear pump 1 include a high-capacity pump 11 and a low discharge
Pump 12, lifting control oil circuit includes magnetic valve（5D、6D）, adjustable throttling 9, dual hydraulic control one-way valve 10, lifting control cylinder 7,
Upset control oil circuit includes magnetic valve（7D、8D）, adjustable throttling 9, dual hydraulic control one-way valve 10, upset control cylinder 8, lifting control
Liquefaction road, upset control oil circuit are in parallel, and low-capacity pump 12, the safety valve II 5 with duplex gear pump are connected.
Hydraulic system drives duplex gear pump 1 by the power takeoff 2 of speed changer from automobile chassis engine torque extraction, by duplex
Gear pump 1, which is separated, sweeps disk oil circuit and lifting control oil circuit, upset control oil circuit.
Sweeping disk oil circuit is used to control cleaning vehicle to sweep disk cleaning works, when sweeping disk actuating signal and sending, the electricity of safety valve I 4
Magnet valve 1D, the magnetic valve 2D of safety valve II 5 are powered simultaneously, and high-capacity pump 11, the low-capacity pump 12 of duplex gear pump 1 pass through simultaneously
P1, P2 hydraulic fluid port provide the hydraulic oil of low pressure and mass flow to the hydraulic motor 6 that disk is swept in control, improve the rotary speed for sweeping disk, pass through
Magnetic valve (3D, 4D) control sweeps disk and cleans direction, and the refuse sweeping on road surface is clean.When hypertonia, the 4-1 of overflow valve I
Work, a part of hydraulic oil flows back to fuel tank by the 4-1 of overflow valve I, so as to ensure that the smooth working of hydraulic motor 6.Work as safety
The magnetic valve 1D dead electricity of valve I 4, the oil that the high-capacity pump 11 of duplex gear pump 1 is provided flows back to fuel tank, hydraulic pressure horse through the 4-1 of overflow valve I
Do not worked up to 6.
When lifting and energizing signal are sent, the magnetic valve 2D of safety valve II obtains electric, and the oil of low-capacity pump 12 is through P2 hydraulic fluid ports
The hydraulic oil of lifting control cylinder 7 and the upset high-pressure low-flow of control cylinder 8 is supplied simultaneously, is controlled by magnetic valve (5D, 6D)
Disk lifting is swept, right upset of facing left is swept by magnetic valve (7D, 8D) control, by adjusting the controllable fortune for sweeping disk of adjustable throttling 9
Dynamic speed, by the 5-1 adjustable systems pressure of overflow valve II, completes lifting and rotary movement, is made by dual hydraulic control one-way valve 10
Control cylinder has auto-lock function, and sweeping disk can stop at an arbitrary position.When magnetic valve 2D dead electricity, hydraulic oil is through the 5- of overflow valve II
1 flows back to fuel tank, and lifting and upset control cylinder do not work.
Claims (4)
1. a kind of small-size multifunction cleaning vehicle hydraulic control device, including sweep disk oil circuit, multiple control oil circuits, it is characterised in that：
Sweeping disk oil circuit includes safety valve I, safety valve II, magnetic valve（3D、4D）, hydraulic motor and fuel tank, sweep disk oil circuit and duplicate gear
The double pump of pump is connected, and duplex gear pump includes a high-capacity pump and a low-capacity pump, and multiple control oil circuits are in parallel, each
Oil circuit is controlled to include magnetic valve, adjustable throttling, control cylinder, low-capacity pump of the control oil circuit with duplex gear pump, safety
Valve II is connected.
2. a kind of small-size multifunction cleaning vehicle hydraulic control device according to claim 1, it is characterised in that：The safety
Valve I is low-pressure safety valve, is made up of magnetic valve 1D, overflow valve I, and safety valve II is high-pressure safety valve, by magnetic valve 2D, overflow valve
II composition.
3. a kind of small-size multifunction cleaning vehicle hydraulic control device according to claim 1, it is characterised in that：The control
Oil circuit is provided with lifting control oil circuit, upset control oil circuit.
4. a kind of small-size multifunction cleaning vehicle hydraulic control device according to claim 3, it is characterised in that：The lifting
Oil circuit, upset control oil circuit is controlled to be provided with dual hydraulic control one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467234.8U CN206571758U (en) | 2016-12-29 | 2016-12-29 | A kind of small-size multifunction cleaning vehicle hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621467234.8U CN206571758U (en) | 2016-12-29 | 2016-12-29 | A kind of small-size multifunction cleaning vehicle hydraulic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571758U true CN206571758U (en) | 2017-10-20 |
Family
ID=60060646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621467234.8U Expired - Fee Related CN206571758U (en) | 2016-12-29 | 2016-12-29 | A kind of small-size multifunction cleaning vehicle hydraulic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194436A (en) * | 2017-12-27 | 2018-06-22 | 沪东重机有限公司 | High-power diesel engine cylinder cap air valve assembling clamps overturning system with hydraulic control |
| CN111692145A (en) * | 2020-07-17 | 2020-09-22 | 徐州徐工养护机械有限公司 | Hydraulic system of road surface dry cleaning vehicle |
-
2016
- 2016-12-29 CN CN201621467234.8U patent/CN206571758U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194436A (en) * | 2017-12-27 | 2018-06-22 | 沪东重机有限公司 | High-power diesel engine cylinder cap air valve assembling clamps overturning system with hydraulic control |
| CN111692145A (en) * | 2020-07-17 | 2020-09-22 | 徐州徐工养护机械有限公司 | Hydraulic system of road surface dry cleaning vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103938672B (en) | Closed rotary loop control system | |
| CN206571758U (en) | A kind of small-size multifunction cleaning vehicle hydraulic control device | |
| CN104033433A (en) | Hydraulic control system based on single-engine road sweeper | |
| CN201320956Y (en) | Four-wheel fully-driven hydraulic hybrid power transmission device of bus | |
| CN202088884U (en) | Crane power device and crane | |
| CN201372983Y (en) | Hydraulic control system of vulcanizing machine using sequential action | |
| CN103741576A (en) | Small-sized pavement milling machine traveling control system | |
| CN205296036U (en) | Washing and sweeping vehicle with single engine driven mechanism | |
| CN204899897U (en) | Double dynamical fracturing unit truck | |
| CN102003432B (en) | Electro-hydraulic actuator | |
| CN103924629A (en) | Hydraulic excavator driving system with potential energy recovery function | |
| CN207089000U (en) | A kind of hydraulic-driven single-engine sweeping vehicle | |
| CN106741878A (en) | A kind of electro-hydraulic ground taxi of monowheel chassis promote with from energy regenerative brake combined device | |
| CN203548387U (en) | High-power direct drive type differential volume control electrohydraulic servo system | |
| CN203770245U (en) | Integrated hydraulic valve set, hydraulic drive system and concrete pump | |
| CN202202309U (en) | Manual/electric dual-purpose integrated hydraulic hoist | |
| CN104859615A (en) | Electromobile capable for reducing loss of conventional brake friction plate | |
| CN103847517A (en) | Special vehicle for transmission of mechanical-hydraulic composite transfer case | |
| CN202520475U (en) | Hydraulic motor based on digital flow distribution and speed regulation | |
| CN103303283B (en) | Method for operating a braking system of vehicle and control device of braking system | |
| CN205858817U (en) | Hoistable platform and fluid power system thereof | |
| CN106050769A (en) | Lifting platform and hydraulic driving system thereof | |
| CN206829236U (en) | A kind of wheel loader that can configure walking work tool | |
| CN203488471U (en) | Novel hydraulic distribution device for load sensing control hydraulic system | |
| CN203684051U (en) | Walking control system of small pavement planer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171020 |