CN206071993U - A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning - Google Patents
A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning Download PDFInfo
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- CN206071993U CN206071993U CN201621002352.1U CN201621002352U CN206071993U CN 206071993 U CN206071993 U CN 206071993U CN 201621002352 U CN201621002352 U CN 201621002352U CN 206071993 U CN206071993 U CN 206071993U
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Abstract
The utility model discloses a kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning, including pump group, connect the control banked direction control valves of getting on the bus of executive component of getting on the bus, and the control banked direction control valves of getting off for connecting executive component of getting off；Control banked direction control valves of getting on the bus includes electromagnetic proportion throttle and is connected to the electromagnetic switch valve group of getting on the bus of electromagnetic proportion throttle oil-out；Control banked direction control valves of getting off includes two position three-way valve and is connected to the supporting leg control valve group of the one of oil-out of two position three-way valve；Another oil-out of two position three-way valve connects the oil-in of electromagnetic proportion throttle.The beneficial effects of the utility model are：1. ratio throttle grverning is applied to the high-altitude operation vehicle of middle Semen setariae number, cost is reduced.2. traditional load sensitive device is eliminated, smooth operation is improve.3. the characteristics of there is low pressure self-unloading, it is not necessary to extra unloader.
Description
Technical field
This utility model belongs to high-altitude operation vehicle technical field, and in particular to a kind of high-altitude operation vehicle of ratio throttle grverning
Hydraulic control system, be particularly well-suited to the hydraulic control system of the high-altitude operation vehicle of the adjustable middle Semen setariae number of speed.
Background technology
As the fast-developing and country of national economy is to safety in production, the pay attention to day by day of civilized construction, work high above the ground
Car is widely used in the fields such as municipal administration, electric power, petrochemical industry, communication.As middle Semen setariae number high-altitude operation vehicle acquisition cost is relatively low, answer
It is relatively extensive with scope, in the market mainly based on middle Semen setariae number work high above the ground.Middle Semen setariae number high-altitude operation vehicle exist with
Lower feature：1. high-altitude operation vehicle is manned platform, and stationarity requires higher, it is to avoid because occurring shake in operation process and running not
Comfortableness and the safety of operator are affected steadily.2. the high-altitude operation vehicle of Semen setariae number in, operation height are low, arm support length
It is short, thus it is less demanding to the velocity control accuracy of operation action tank.3. current high-altitude operation vehicle great majority are lease client,
Cost sensitivity to high-altitude operation vehicle.At present, on market in Semen setariae number high-altitude operation vehicle hydraulic control system, can not be complete
Meet These characteristics.
A kind of control oil circuit of altitude operating vehicle of patent CN87215075, there is provided a kind of high altitude vehicle is got on or off the bus steerable
Hydraulic control system, the system adopt two groups of manual throttle reversal valves, valve A and valve B.Valve A is placed in and gets off, and realizes manipulation of getting off,
Valve B is placed in and gets on the bus, and realizes manipulation of getting on the bus.The patent has advantages below：Manipulation of getting on or off the bus can be realized, and there is speed governing work(
Can, and low cost.The patent there is also certain problem, and as valve B is located at work platformses of getting on the bus, pipeline arrangement is complicated, affects
The outward appearance and intensity of high-altitude operation vehicle.In addition get on the bus manipulation unloading condition when, oil flows through valve B from valve A, then is flowed back to by valve B
Fuel tank, as valve B is longer positioned at the pipeline that work platformses of getting on the bus are connected with valve A and fuel tank, the pressure loss is big, system energy consumption
Height, use cost are high.
A kind of hydraulic control system of high-altitude operation vehicle of patent CN02263150, first controls the solenoid directional control valve of corresponding actions
Commutation, then by adjust three energization proportional velocity regulating valves input electrical signal come control flow into executive component flow, reach control
The speed of executive component processed.The patent has advantages below：Manipulation of getting on or off the bus, electric proportionality velocity modulation, control are realized by electrical control
High precision processed, pressure unloading are low.The patent there is also certain problem, and speed regulating control high precision is by threeway proportionality velocity modulation
Valve carries out pressure compensation, loads when arm support runs and changes, and the pressure compensator of threeway proportional velocity regulating valve also accordingly occurs
Motion, easily causes the unstable of system, causes arm support to be shaken, and affects comfortableness and the safety of operator.In addition should
Patent is of a relatively high using threeway proportional velocity regulating valve cost.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided made in a kind of high-altitude of ratio throttle grverning
The hydraulic control system of industry car, has the advantages that stationarity is good, low cost.
To solve prior art problem, the utility model discloses a kind of hydraulic pressure of the high-altitude operation vehicle of ratio throttle grverning
Control system, including pump group, connect the control banked direction control valves of getting on the bus of executive component of getting on the bus, and connect getting off for executive component of getting off
Control banked direction control valves；
Control banked direction control valves of getting on the bus includes electromagnetic proportion throttle and is connected to the electricity of getting on the bus of electromagnetic proportion throttle oil-out
Magnetic commutation valve group；
Control banked direction control valves of getting off includes two position three-way valve and is connected to the supporting leg control of the one of oil-out of two position three-way valve
Valve group processed；
Another oil-out of two position three-way valve connects the oil-in of electromagnetic proportion throttle；Two position three way directional control valve is upper
During work, the pressure oil that pump group is exported is transported to and control banked direction control valves is got on the bus with when the executive component that controls to get on the bus, the next work, will
The pressure oil of pump group output is transported to supporting leg control valve group to control executive component of getting off.
Preferably, pump group and get off control banked direction control valves between be connected with high pressure filter.
Preferably, get on the bus control banked direction control valves and get off control banked direction control valves and fuel tank between oil return circuit on be connected with back
Oil strainer.
Preferably, executive component of getting on the bus includes that each pair for being connected to electromagnetic switch valve group of getting on the bus drives getting on the bus on mouth
Rotary loop, underarm luffing loop, upper arm luffing loop, winch lifting loop, forearm luffing loop and the flexible loop of crane arm.
Preferably, upper-part rotation loop includes the rotary motor balanced valve being connected on first group of driving mouth and revolution horse
Reach；Underarm luffing loop includes the underarm luffing balanced valve being connected on second group of driving mouth and underarm luffing hydraulic cylinder；Upper arm
Luffing loop includes the upper arm luffing balanced valve being connected on the 3rd group of driving mouth and upper arm luffing hydraulic cylinder；Forearm luffing loop
Including the one-way balance valve and forearm luffing hydraulic cylinder that are connected on the 4th group of driving mouth；Winch lifting loop includes being connected to the
Five drive one-way balance valve and winch motor on mouth；The flexible loop of crane arm includes being connected to unidirectionally putting down on the 6th driving mouth
Weighing apparatus valve and crane arm telescopic oil cylinder.
Preferably, executive component of getting off includes being connected to the horizontal support legs oil that per group of supporting leg control valve group is driven on mouth
Cylinder and vertical support oil cylinder.
Preferably, one group of driving mouth of supporting leg control valve group respectively with horizontal support legs oil cylinder and the big chamber of vertical support oil cylinder
Connection, another group of driving mouth are connected with the loculus of horizontal support legs oil cylinder and vertical support oil cylinder respectively by two-way shut-off valve.
Preferably, connect respectively on the big chamber of vertical support oil cylinder and the oil circuit of loculus and be additionally provided with bidirectional hydraulic lock.
Preferably, pump group includes the hydraulic pump and donkey pump for providing hydraulic power in parallel.
This utility model has the advantage that：
1. ratio throttle grverning is applied to the high-altitude operation vehicle of middle Semen setariae number, cost is reduced.Using by-pass throttle
Control mode, in control banked direction control valves of getting on the bus is provided with electromagnetic proportion throttle, is easy to staff in turntable and work platformses
Operating control handle carries out speed controlling to the system of getting on the bus, and reduces the control cost of system.
2. traditional load sensitive device is eliminated, smooth operation is improve.Using electromagnetic proportion throttle without
Pressure compensator, loads during actuator movement and changes, and also occurs from the flow of electromagnetic proportion throttle output
Although change, the velocity control accuracy of executive component decrease, but absorb load change band during actuator movement
The impact for coming, improves the stationarity of system operation.
3. the characteristics of there is low pressure self-unloading, it is not necessary to extra unloader.When two-position three-way hand change valve is transformed into
After getting on the bus, when control banked direction control valves of getting on the bus is not operated, the fluid of hydraulic system can be by the direct oil sump tank of electromagnetic proportion throttle, contracting
Short oil return circuit, reduces the pressure unloading of system.
Description of the drawings
Fig. 1 is hydraulic schematic diagram of the present utility model.
Reference：
1 fuel tank；2 return filters；3 hydraulic pumps；4 donkey pumps；5 high pressure filters；6 get off control banked direction control valves；6-1 bis-
Three-way valve；6-2 supporting leg control valve groups；7 two-way shut-off valves；8 bidirectional hydraulic locks；9 horizontal support legs oil cylinders；10 vertical support oil cylinders；
11 get on the bus control banked direction control valves；11-1 electromagnetic proportion throttles；11-2 gets on the bus electromagnetic switch valve group；12 upper-part rotation loops；12-1
Rotation of rotary table motor balancing valve；12-2 rotary motors；13 underarm luffing loops；13-1 underarm luffing balanced valves；13-2 underarms become
Width hydraulic cylinder；14 upper arm luffing loops；14-1 upper arm luffing balanced valves；14-2 upper arm luffing hydraulic cylinders；15 forearm luffing loops；
15-1 one-way balance valves；15-2 forearm luffing hydraulic cylinders；16 winches lift by crane loop；16-1 one-way balance valves；16-2 winch motors；
17 crane arms stretch loop；17-1 one-way balance valves；17-2 crane arm telescopic oil cylinders.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and protection domain of the present utility model can not be limited with this.
As shown in figure 1, being specifically configured to based on the hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning：Fuel tank 1,
Return filter 2, hydraulic pump 3, donkey pump 4, high pressure filter 5, get off control banked direction control valves 6, two-way shut-off valve 7, bidirectional hydraulic
Lock 8, horizontal support legs oil cylinder 9, vertical support oil cylinder 10, get on the bus control banked direction control valves 11, upper-part rotation loop 12, underarm luffing loop
13rd, upper arm luffing loop 14, forearm luffing loop 15, winch lifting loop 16 and the flexible loop 17 of crane arm.
The hydraulic control system, provides power by hydraulic pump 3 and/or donkey pump 4, pressure oil is transported to by check valve
Get off and control banked direction control valves 6.
Described control banked direction control valves 6 of getting off, is made up of two position three way directional control valve 6-1 and supporting leg control valve group 6-2.
Hydraulic system is divided into upper vehicle control and lower vehicle control two by described two position three way directional control valve 6-1
Point, make vehicle control realize interlock function with lower vehicle control.During the upper work of two position three way directional control valve 6-1, will pressure
Power oil is transported to vehicle control, that is, get on the bus control banked direction control valves and each executive component of getting on the bus；During the next work, by pressure oil
Lower vehicle control is transported to, that is, get off control banked direction control valves and each executive component of getting off.
Described upper vehicle control, including control banked direction control valves 11 and the executive component of getting on the bus.
Described control banked direction control valves 11 of getting on the bus, including electromagnetic proportion throttle 11-1 and electromagnetic switch valve group 11-2 of getting on the bus.
When the work connection dead electricity attonity of electromagnetic switch valve group 11-2 of getting on the bus, electromagnetic proportion throttle 11-1 dead electricity, fluid is by side
The electromagnetic proportion throttle 11-1 whole oil sump tanks 1 of road connection.When the work of electromagnetic switch valve group 11-2 of getting on the bus joins to obtain electric work
When, the opening degree of electromagnetic proportion throttle 11-1 is controlled by the size of control input signal, and then is controlled into electromagnetism ratio
The return flow of example choke valve 11-1.As the flow of system input is certain, electromagnetic switch valve group of getting on the bus is entered so as to control
The flow of the work connection of 11-2, has reached the speed controlling of each performance loop of getting on the bus.
Described electromagnetic proportion throttle 11-1, without pressure compensator, the load during actuator movement occurs
Change, also changes from the flow of electromagnetic proportion throttle 11-1 outputs, although the velocity control accuracy of executive component is
Reduce, but load changes the impact for bringing during absorbing actuator movement, improves the stationarity of system operation.
Described electromagnetic switch valve group 11-2 of getting on the bus has multigroup driving mouth A1 and B1, drives mouth A2 and B2, drives mouth A3
With B3, driving mouth A4 and B4, driving mouth A5 and B5 and driving mouth A6 and B6.
First group of driving mouth A1 and B1 connect rotation of rotary table motor balancing valve 12-1, rotary motor 12-2, constitute above-mentioned turn
Platform rotary loop.
Second drives mouth A2 and B2 connection underarm luffing balanced valve 13-1 and underarm luffing hydraulic cylinder 13-2, under composition is above-mentioned
Arm luffing loop 13.
3rd drives mouth A3 and B3 connection upper arm luffing balanced valve 14-1 and upper arm luffing hydraulic cylinder 14-2, constitutes on above-mentioned
Arm luffing loop 14.
4 wheel driven is opened one's mouth A4 and B4 connection one-way balance valve 15-1 and forearm luffing hydraulic cylinder 15-2, constitutes above-mentioned forearm and becomes
Width loop 15.
5th drives mouth A5 and B5 connection one-way balance valve 16-1 and winch motor 16-2, constitutes above-mentioned winch and lifts by crane loop
16。
6th drives mouth A6 and B6 connection one-way balance valve 17-1 and crane arm telescopic oil cylinder 17-2, constitutes above-mentioned crane arm
Flexible loop 17.
Supporting leg control valve group 6-2 has multigroup driving mouth a1 and b1, drives mouth a2 and b2, drive mouth a3 and b3, drive mouth
A4 and b4 and driving mouth H.
Mouth a1 and b1 are driven, mouth a2 and b2 is driven, drive mouth a3 and b3 and is driven mouth a4 and b4 to connect level respectively
The big chamber of lower limb oil cylinder and vertical support oil cylinder, drive mouth H by two-way shut-off valve 7 respectively with horizontal support legs oil cylinder and vertical leg
The loculus connection of oil cylinder.
When two-way shut-off valve 7 obtains electric, the public oil circuit of support oil cylinder loculus is cut off.When get on the bus work when, if getting off appearance
During maloperation, support oil cylinder oil circuit is locked out, and is effectively protected the safety of staff and equipment on high-altitude operation vehicle.
Oil return is connected with the oil return circuit for controlling banked direction control valves 11 and getting off between control banked direction control valves 6 and fuel tank 1 getting on the bus
Filter 2.
Operation principle of the present utility model and process
Before high-altitude operation vehicle carries out work high above the ground, two position three way directional control valve 6-1 is operated first so as to the next work, now
Pressure oil circuit is communicated with supporting leg control valve group 6-2, controls landing leg stretching by supporting leg control valve group 6-2.
When high-altitude operation vehicle carries out work high above the ground, two position three way directional control valve 6-1 is operated first so as to upper work, then
Rotary loop, underarm luffing loop, upper arm luffing are controlled respectively by operating the commutation of electromagnetic switch valve group 11-2 of getting on the bus to join
Loop, forearm luffing loop, winch lifting loop and the flexible loop of crane arm.When the work of electromagnetic switch valve group 11-2 of getting on the bus
When joining electric, by the opening degree for controlling electromagnetic proportion throttle 11-1, the flow into control loop is controlled, speed governing is reached
Function.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement and deformation can also be made, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning, including pump group, connects executive component of getting on the bus
Get on the bus control banked direction control valves, and connection got off the control banked direction control valves of getting off of executive component, it is characterised in that：
Control banked direction control valves of getting on the bus includes electromagnetic proportion throttle and changes with the electromagnetism of getting on the bus for being connected to electromagnetic proportion throttle oil-out
To valve group；
Control banked direction control valves of getting off includes two position three-way valve and is connected to the supporting leg control valve of the one of oil-out of two position three-way valve
Group；
Another oil-out of two position three-way valve connects the oil-in of electromagnetic proportion throttle；The upper work of two position three way directional control valve
When, the pressure oil that pump group is exported is transported to control banked direction control valves is got on the bus with when the executive component that controls to get on the bus, the next work, by pump group
The pressure oil of output is transported to supporting leg control valve group to control executive component of getting off.
2. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 1, its feature exist
In：Pump group and get off control banked direction control valves between be connected with high pressure filter.
3. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 1, its feature exist
In：Return filter is connected with the oil return circuit for controlling banked direction control valves and getting off between control banked direction control valves and fuel tank getting on the bus.
4. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 1, its feature exist
In：Executive component of getting on the bus include being connected to each pair of electromagnetic switch valve group of getting on the bus drive upper-part rotation loop on mouth, under
Arm luffing loop, upper arm luffing loop, forearm luffing loop, winch lifting loop and the flexible loop of crane arm.
5. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 4, its feature exist
In：Upper-part rotation loop includes the rotary motor balanced valve being connected on first group of driving mouth and rotary motor；Underarm luffing is returned
Road includes the underarm luffing balanced valve being connected on second group of driving mouth and underarm luffing hydraulic cylinder；Upper arm luffing loop includes connecting
The upper arm luffing balanced valve being connected on the 3rd group of driving mouth and upper arm luffing hydraulic cylinder；Forearm luffing loop includes being connected to the 4th
Group drives one-way balance valve and forearm luffing hydraulic cylinder on mouth；Winch lifting loop includes the list being connected on the 5th driving mouth
To balanced valve and winch motor；The flexible loop of crane arm includes that the one-way balance valve being connected on the 6th driving mouth and crane arm are stretched
Contracting oil cylinder.
6. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 1, its feature exist
In：Executive component of getting off includes that being connected to per group of supporting leg control valve group drives horizontal support legs oil cylinder and vertical leg on mouth
Oil cylinder.
7. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 6, its feature exist
In：One group of driving mouth of supporting leg control valve group is connected with the big chamber of horizontal support legs oil cylinder and vertical support oil cylinder respectively, another group
Mouth is driven to be connected with the loculus of horizontal support legs oil cylinder and vertical support oil cylinder by two-way shut-off valve respectively.
8. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 6, its feature exist
In：Connect respectively bidirectional hydraulic lock is additionally provided with the big chamber of vertical support oil cylinder and the oil circuit of loculus.
9. the hydraulic control system of the high-altitude operation vehicle of a kind of ratio throttle grverning according to claim 1, its feature exist
In：Pump group includes the hydraulic pump and donkey pump for providing hydraulic power in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621002352.1U CN206071993U (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621002352.1U CN206071993U (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning |
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| Publication Number | Publication Date |
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| CN206071993U true CN206071993U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621002352.1U Active CN206071993U (en) | 2016-08-31 | 2016-08-31 | A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122157A (en) * | 2016-08-31 | 2016-11-16 | 徐州徐工随车起重机有限公司 | A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning |
| CN107504000A (en) * | 2017-10-12 | 2017-12-22 | 徐州徐工随车起重机有限公司 | A kind of lorry-mounted crane multi-way reversing device |
| CN109372811A (en) * | 2018-12-07 | 2019-02-22 | 朱浩 | A kind of hydraulic system for high-altitude operation vehicle |
| CN113864259A (en) * | 2021-10-12 | 2021-12-31 | 广西美斯达工程机械设备有限公司 | Hydraulic control system of crawler conveyor |
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2016
- 2016-08-31 CN CN201621002352.1U patent/CN206071993U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122157A (en) * | 2016-08-31 | 2016-11-16 | 徐州徐工随车起重机有限公司 | A kind of hydraulic control system of the high-altitude operation vehicle of ratio throttle grverning |
| CN107504000A (en) * | 2017-10-12 | 2017-12-22 | 徐州徐工随车起重机有限公司 | A kind of lorry-mounted crane multi-way reversing device |
| CN107504000B (en) * | 2017-10-12 | 2024-01-02 | 徐州徐工随车起重机有限公司 | Multi-way reversing device of lorry-mounted crane |
| CN109372811A (en) * | 2018-12-07 | 2019-02-22 | 朱浩 | A kind of hydraulic system for high-altitude operation vehicle |
| CN109372811B (en) * | 2018-12-07 | 2024-04-05 | 朱浩 | Hydraulic system for overhead working truck |
| CN113864259A (en) * | 2021-10-12 | 2021-12-31 | 广西美斯达工程机械设备有限公司 | Hydraulic control system of crawler conveyor |
| CN113864259B (en) * | 2021-10-12 | 2023-10-10 | 广西美斯达工程机械设备有限公司 | Hydraulic control system of crawler conveyor |
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