CN206107316U - Support shock attenuation control system , hydrostatic steering support shock attenuation control system - Google Patents
Support shock attenuation control system , hydrostatic steering support shock attenuation control system Download PDFInfo
- Publication number
- CN206107316U CN206107316U CN201620997775.5U CN201620997775U CN206107316U CN 206107316 U CN206107316 U CN 206107316U CN 201620997775 U CN201620997775 U CN 201620997775U CN 206107316 U CN206107316 U CN 206107316U
- Authority
- CN
- China
- Prior art keywords
- support
- control system
- valve
- steering
- cylinder
- 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.)
- Active
Links
Landscapes
- Power Steering Mechanism (AREA)
Abstract
The utility model discloses a support shock attenuation control system, hydrostatic steering support shock attenuation control system, supporting control valve and the support pneumatic cylinder more than two or two, the hydraulic fluid of the supporting control valve of flowing through supports the working chamber intercommunication of pneumatic cylinder or cuts off through the supporting control valve at each. Adopt the utility model discloses, the hydraulic fluid supports the working chamber intercommunication of pneumatic cylinder or cuts off at each, and the shock attenuation effect and the automobile body under the operating condition that can effectively improve under the automobile body transport condition are stable, owing to the hydraulic pressure mainstream of borroing original steering control system, central swivel head need not to increase by two and switches the mouth, and its height, appearance all remain unchanged, still can save two and add the oil circuits that switch between the mouth, in limited mounted position, installation space, rationally dispose existing hydraulic control system to utilize and support shock attenuation and then the travelling comfort, the security that improve states such as driving, work for the automobile body provides hydraulic pressure.
Description
Technical field
This utility model is related to a kind of hydraulic control system, more particularly to a kind of to turn to and vehicle body support shockproof control system
System.
Background technology
In the hydraulic control systems of engineering truck such as current wheel digging machine, steering control system mainly includes steering gear and steering
Cylinder, steering cylinder include working chamber A and the working chamber B for interlocking.The hydraulic circuit of steering gear is as follows：In the switching port A Jing of steering gear
The working chamber A of centre swiveling head correspondence connection steering cylinder, the work of the switching port B Jing central authorities swiveling head correspondence connection steering cylinder of steering gear
Make chamber B.
If if the hydraulic pressure support damping of vehicle body is considered when turning to, also additionally need to increase by two on central swiveling head and cut
Mouth, and supporting increase hydraulic pressure support damping oil circuit are changed, this height for resulting in central swiveling head can increase, in limited installation position
Put, in installing space, it is difficult to configuration height increase centre swiveling head, extra increased hydraulic pressure support damping oil circuit.
Therefore, for taking turns the existing hydraulic control system of engineering truck such as digging machine, it is necessary to research and development it is a kind of can reasonable disposition this
The existing hydraulic control system of class engineering truck, to be used and provide hydraulic pressure support damping for vehicle body, and then improve driving, work etc.
The comfortableness of state, safety.
Utility model content
In view of this, the purpose of this utility model be provide it is a kind of can effective damping support damping control system.
This utility model also provide it is a kind of can effectively damping and fluid-link steering that structure is simplified supports damping control system.
In order to reach above-mentioned purpose, solution of the present utility model is：
Damping control system is supported, which includes the support and control valve of following setting, and two or more supports
Hydraulic cylinder：The hydraulic fluid for flowing through support and control valve passes through support and control valve in the working chamber intercommunication of each supporting cylinder or cuts
It is disconnected.
The support and control valve includes combining rotary valve, and combining rotary valve includes the normal open chamber and normally closed chamber of switching hydraulic fluid；
When the normal open chamber and normally closed chamber of combination rotary valve switch, hydraulic fluid can be by combining rotary valve two or more described
The working chamber intercommunication of supporting cylinder or cut-out.
The support and control valve is arranged as follows：The hydraulic fluid for flowing to the support and control valve is only capable of being switched in described
Support hydraulic cylinder.
The valve import P of the combination rotary valve is connected with hydraulically-controlled one-way valve.
The control end of the support and control valve is connected with aerofluxuss servo-cylinder.
Fluid-link steering supports damping control system, including steering control system, also including foregoing any one support
Damping control system is arranged as follows：Break-make enters the hydraulic pressure tributary of the steering control system shunting of the support and control valve,
And it is mutual in the working chamber of each supporting cylinder by the support and control valve to flow through the hydraulic fluid of the support and control valve
Logical or cut-out.
Fluid-link steering supports damping control system, also including central swiveling head and hydraulically-controlled one-way valve；
The steering control system includes steering gear and steering cylinder, and steering cylinder includes working chamber A and the working chamber B for interlocking；
The support and control valve includes combining rotary valve, and combining rotary valve includes the normal open chamber and normally closed chamber of switching hydraulic fluid；
The hydraulic pressure main flow of steering gear is as follows：The work of the switching port A Jing central authorities swiveling head correspondence connection steering cylinder of steering gear
Chamber A, the working chamber B of the switching port B Jing central authorities swiveling head correspondence connection steering cylinder of steering gear；
The hydraulic pressure tributary of steering gear is as follows：From the Zhi Liujing hydraulically-controlled one-way valves connection combination that the Hydraulic Main flow point of steering gear goes out
Rotary valve, when combining the normal open chamber and normally closed chamber switching of rotary valve, hydraulic fluid can be by combining rotary valve at two or more
The supporting cylinder working chamber intercommunication or cut-out.
After such scheme, this utility model has the advantages that：
First, hydraulic fluid can be effectively improved by support and control valve in the working chamber intercommunication or cut-out of each supporting cylinder
Damping effect of the vehicle body under transport condition and the vehicle body stability under job state.
2nd, compared with existing structure, this utility model is without the need for additionally increasing by two switching ports, central authorities on central swiveling head
The height dimension of swiveling head, overall dimensions can all keep constant, can also save reciprocal in two oil circuits set up between switching port；
Hydraulic pressure main flow due to borrowing original steering control system, in limited installation site, installing space, both reasonably configures
Some hydraulic control systems, and to be used and provide hydraulic pressure support damping for vehicle body, and then improve relaxing for the states such as driving, work
Adaptive, safety.
3rd, it is special to determine steering control system, its Hydraulic Main flow point is gone out into a hydraulic pressure tributary, and forms support shockproof control
System, energy-absorbing, damping under vehicle body transport condition keep vehicle body stable in job state, do not interfere with whole hydraulic pressure
The normal work of control system, does not interfere with the normal work of steering control system yet.
Description of the drawings
Fig. 1 is layout structure schematic diagram of the present utility model.
Fig. 2 is layout structure schematic diagram of the present utility model two.
Fig. 3 is the A-A in Fig. 2 to sectional view.
Fig. 4 is hydraulic schematic diagram of the present utility model.
Fig. 5 is hydraulic schematic diagram of the present utility model two.
In figure：
Central swiveling head 1a, hydraulically-controlled one-way valve 2a.
Support damping control system 1, support and control valve 11a, combination rotary valve 11b, supporting cylinder 12.
Steering control system 2, steering gear 21, steering cylinder 22.
Aerofluxuss force aid system 3, source of the gas 31, air-operated solenoid valve 32, aerofluxuss servo-cylinder 33.
Specific embodiment
In order to the technical solution of the utility model is explained further, this utility model is entered below by specific embodiment
Row is elaborated.
Embodiment one
As shown in Figures 1 to 5, in the present embodiment, damping control system is supported mainly to include support and control valve, and two
Or plural supporting cylinder, illustrate by taking two supporting cylinders as an example below.
Support and control valve and two supporting cylinders are arranged as follows：When vehicle switches to transport condition steering, flow of pressurized
Body is turned on to support and control valve, and the hydraulic fluid intercommunication of the working chamber of two supporting cylinders, so, regardless of vehicle body
Jolt, shake, the energy of hydraulic fluid can act on supporting mechanism effectively, in time, and then effectively improve damping effect.
Conversely, when vehicle switches to the non-steering of job state, such as in the non-steering operation such as digging operation, lifting operation
During state, the hydraulic fluid into support and control valve is cut off, that is to say, that from the hydraulic fluid of hydraulic control system of vehicle
Support and control valve cannot be supplemented to.The hydraulic fluid retained in two supporting cylinders can also be mutual by support and control valve
It is logical, it is also possible to which that damping is effectively supported to vehicle body.Certainly, two supporting cylinders can also stop corresponding action.
The present embodiment can also adopt following concrete structure：
Support and control valve includes combining rotary valve, and combining rotary valve includes the normal open chamber and normally closed chamber of switching hydraulic fluid.Support
Hydraulic cylinder is two, and hydraulic fluid can be switched between the valve import in normal open chamber of combination rotary valve, the valve import in normally closed chamber,
Correspondence conducting, cut-out hydraulic fluid.
During conducting state：The valve outlet port A in the normal open chamber of combination rotary valve connects the working chamber of a supporting cylinder, and combination turns
The valve outlet port B in the normal open chamber of valve connects the working chamber of another supporting cylinder, and the working chamber of two supporting cylinders is supplemented
Hydraulic fluid, and the hydraulic fluid of the working chamber of two supporting cylinders also can intercommunication, complement one another, be supported damping.
During dissengaged positions：Hydraulic fluid is switched to the normally closed chamber of combination rotary valve, equivalent to cut-out into support and control valve
Hydraulic fluid, hydraulic fluid cannot also be supplemented with to combination rotary valve, two supporting cylinders.Two supporting cylinder internal memories
The hydraulic fluid that stays plays vehicle body and stably supports operation while be cut off.Certainly, two supporting cylinders can also stop accordingly
Action.
It is preferred that support and control valve is arranged as follows：The hydraulic fluid for flowing to support and control valve is only capable of being switched in support liquid
Cylinder pressure.For example：The valve import of support and control valve is connected with hydraulically-controlled one-way valve etc., so, the flow of pressurized in arbitrary supporting cylinder
Body all reversely reversely can not be flowed out from the valve import for combining rotary valve.
It is preferred that the control end of support and control valve is connected with aerofluxuss force aid system.Aerofluxuss force aid system mainly include source of the gas,
Air-operated solenoid valve and aerofluxuss servo-cylinder.The working chamber of source of the gas Jing central authorities swiveling head correspondence connection aerofluxuss servo-cylinder, aerofluxuss servo-cylinder
Piston rod be connected the control end of support and control valve.By opening and closing air-operated solenoid valve, the normal open of correspondence switching combining rotary valve
Chamber and normally closed chamber.When air-operated solenoid valve carries out switching motion, aerofluxuss servo-cylinder makees corresponding actions to support and control valve, in combination
The normally opened chamber and normally closed chamber of rotary valve switches over, and supplements fluid between hydraulic fluid and support cylinder from the valve import P of combination rotary valve
Break-make.
Embodiment two
The present embodiment is the hydraulic control method of embodiment one, and the support shock-absorbing control method is as follows：By controlling gas control
Electromagnetic valve, aerofluxuss servo-cylinder other control units, correspond to control steering state, driving states, parked state, work as needed
Whether turn under state etc., supplement or cut off the hydraulic fluid into support and control valve.
Correspondence break-make enters the hydraulic fluid of support and control valve, and the hydraulic fluid that the working chamber of each supporting cylinder is retained is equal
Energy intercommunication or cut-out, the energy of hydraulic fluid can correspondingly start the supporting mechanism of association.
Specifically, the present embodiment is applied to the hydraulic control of wheel excavator, and hydraulic fluid is switched on and enters combination
Rotary valve, then hydraulic fluid is into left support hydraulic cylinder, right support hydraulic cylinder.The energy correspondence of hydraulic fluid promotes left support liquid
The piston movement of cylinder pressure, right support hydraulic cylinder, left support hydraulic cylinder, the piston rod correspondence of right support hydraulic cylinder drive vehicle body to support
The supporting mechanism of the associations such as damping.
As hydraulic fluid continually is supplemented, and hydraulic fluid can also be in left support hydraulic cylinder, right support
The working chamber intercommunication of hydraulic cylinder or cut-out, the jolting with vehicle body so in transport condition can be carried out to body effectively, in time
Support damping.
Conversely, cutting off hydraulic fluid, hydraulic fluid cannot be entered in combination rotary valve from the valve import P of combination rotary valve.Together
When, the hydraulic fluid that left support hydraulic cylinder, the working chamber of right support hydraulic cylinder are retained is gone out by combining the valve in the normally closed chamber of rotary valve
Mouth is cut off in the working chamber of left support hydraulic cylinder, right support hydraulic cylinder, and the hydraulic fluid between left and right shoring is unable to intercommunication,
Realize vehicle body stable support function.
Embodiment three
The present embodiment is also to include steering control system with the main distinction of above-described embodiment.
In the present embodiment, fluid-link steering supports damping control system mainly to include steering control system, and as front is appointed
It is a kind of to support damping control system.The something in common of damping control system is supported, be will not be described here.
From at arbitrary hydraulic path of steering control system draw a hydraulic pressure tributary, the hydraulic pressure tributary by correspondence break-make in
Support and control valve.Then, the hydraulic fluid of support and control valve is flowed through, in the working chamber intercommunication or cut-out of each supporting cylinder.Compared with
Goodly, from the extraction hydraulic pressure tributary at supporting cylinder.
Concrete structure is as follows：
The present embodiment also includes central swiveling head and hydraulically-controlled one-way valve.Steering control system includes steering gear and steering cylinder,
Steering cylinder includes working chamber A and the working chamber B for interlocking.
Steering hydraulic main flow is as follows in other words for the hydraulic pressure main flow of steering gear：The switching port A Jing central authorities swiveling head pair of steering gear
The working chamber A of steering cylinder, the working chamber B of the switching port B Jing central authorities swiveling head correspondence connection steering cylinder of steering gear should be connected.
Steering hydraulic tributary is as follows in other words in the hydraulic pressure tributary of steering gear：Divide from the hydraulic pressure main flow either path of steering gear
Go out hydraulic pressure tributary, such as near working chamber A, the working chamber B of steering cylinder, central swiveling head or the steering gear for connecing steering cylinder
Position draw hydraulic pressure tributary.Depending on specifically seeing applied environment, allocation position on vehicle body etc..
Hydraulic pressure Zhi Liujing hydraulically-controlled one-way valves connection combination rotary valve, when combining the normal open chamber and normally closed chamber switching of rotary valve, hydraulic pressure
Fluid can pass through to combine working chamber intercommunication or cut-out of the rotary valve in two or more supporting cylinders.
Conducting state：From the hydraulic pressure tributary that the working chamber A or working chamber B of steering cylinder draw, Jing hydraulically-controlled one-way valve connection groups
The valve import P in the normal open chamber of rotary valve is closed, the valve outlet port A for combining the normal open chamber of rotary valve connects the working chamber of a supporting cylinder,
The valve outlet port B in the normal open chamber of combination rotary valve connects the working chamber of another supporting cylinder.
Dissengaged positions：Hydraulic pressure tributary is switched to the normally closed chamber of combination rotary valve, equivalent to cut-out hydraulic pressure tributary, hydraulic pressure tributary
Cannot also be supplemented with to combination rotary valve, two supporting cylinders.Meanwhile, left support hydraulic cylinder, the work of right support hydraulic cylinder
The hydraulic fluid that chamber retains is by the valve outlet port in the normally closed chamber of combination rotary valve in left support hydraulic cylinder, the work of right support hydraulic cylinder
Chamber cuts off, and the hydraulic fluid between left and right shoring is unable to intercommunication, realizes vehicle body stable support function.
Example IV
The present embodiment is the hydraulic control method of embodiment three.In the present embodiment, fluid-link steering supports shock-absorbing control method
It is specific as follows：A hydraulic pressure tributary is separated from the hydraulic pressure main flow either path of steering control system, break-make enters support and control valve
Hydraulic pressure tributary, and flow through the hydraulic fluid of support and control valve by support and control valve each supporting cylinder working chamber intercommunication
Or cut-out, the supporting mechanism of the energy correspondence start and stop association of hydraulic fluid.
Embodiment five
The present embodiment differs primarily in that with embodiment one to four, in supporting damping control system, support and control valve is
Multiple, each support and control valve corresponds to conducting respectively, cuts off respective supporting cylinder.Concrete structure and above-described embodiment class
Seemingly, something in common will not be described here.
Above-described embodiment and accompanying drawing non-limiting product form of the present utility model and style, any art
Appropriate change or modification that those of ordinary skill is done to which, all should be regarded as without departing from patent category of the present utility model.
Claims (7)
1. damping control system is supported, it is characterised in that：Including the following support and control valve for arranging, and two or more
Supporting cylinder：The hydraulic fluid for flowing through support and control valve passes through working chamber intercommunication of the support and control valve in each supporting cylinder
Or cut-out.
It is 2. as claimed in claim 1 to support damping control system, it is characterised in that：The support and control valve includes that combination turns
Valve, combining rotary valve includes the normal open chamber and normally closed chamber of switching hydraulic fluid；When the normal open chamber and normally closed chamber of combination rotary valve switch, liquid
Pressure fluid can pass through to combine working chamber intercommunication or cut-out of the rotary valve in two or more supporting cylinders.
It is 3. as claimed in claim 1 to support damping control system, it is characterised in that：The support and control valve is arranged as follows：Stream
It is only capable of being switched in the supporting cylinder to the hydraulic fluid of the support and control valve.
It is 4. as claimed in claim 2 to support damping control system, it is characterised in that：The valve import P connections of the combination rotary valve
There is hydraulically-controlled one-way valve.
It is 5. as claimed in claim 1 to support damping control system, it is characterised in that：The control end connection of the support and control valve
There is aerofluxuss servo-cylinder.
6. fluid-link steering supports damping control system, including steering control system, it is characterised in that：Also include such as claim 1
Into 5, any one supports damping control system to arrange as follows：Break-make enters the steering control system of the support and control valve
The hydraulic pressure tributary of shunting, and the hydraulic fluid of the support and control valve is flowed through by the support and control valve in each support liquid
The working chamber intercommunication of cylinder pressure or cut-out.
7. fluid-link steering as claimed in claim 6 supports damping control system, it is characterised in that：Also include central swiveling head and
Hydraulically-controlled one-way valve；
The steering control system includes steering gear and steering cylinder, and steering cylinder includes working chamber A and the working chamber B for interlocking；
The support and control valve includes combining rotary valve, and combining rotary valve includes the normal open chamber and normally closed chamber of switching hydraulic fluid；
The hydraulic pressure main flow of steering gear is as follows：The working chamber A of the switching port A Jing central authorities swiveling head correspondence connection steering cylinder of steering gear,
The working chamber B of the switching port B Jing central authorities swiveling head correspondence connection steering cylinder of steering gear；
The hydraulic pressure tributary of steering gear is as follows：The Zhi Liujing hydraulically-controlled one-way valves connection combination gone out from the Hydraulic Main flow point of steering gear turns
Valve, when combining the normal open chamber and normally closed chamber switching of rotary valve, hydraulic fluid can be by combining rotary valve two or more
The working chamber intercommunication of the supporting cylinder or cut-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620997775.5U CN206107316U (en) | 2016-08-30 | 2016-08-30 | Support shock attenuation control system , hydrostatic steering support shock attenuation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620997775.5U CN206107316U (en) | 2016-08-30 | 2016-08-30 | Support shock attenuation control system , hydrostatic steering support shock attenuation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206107316U true CN206107316U (en) | 2017-04-19 |
Family
ID=58515602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620997775.5U Active CN206107316U (en) | 2016-08-30 | 2016-08-30 | Support shock attenuation control system , hydrostatic steering support shock attenuation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206107316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240626A (en) * | 2016-08-30 | 2016-12-21 | 泉州鑫豪工程机械科技有限公司 | Support damping control system, fluid-link steering supports damping control system and method thereof |
| CN110001336A (en) * | 2019-03-12 | 2019-07-12 | 江苏大学 | A kind of vehicle ISD suspension single order ideal model based on the just real network optimization of ADD |
-
2016
- 2016-08-30 CN CN201620997775.5U patent/CN206107316U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240626A (en) * | 2016-08-30 | 2016-12-21 | 泉州鑫豪工程机械科技有限公司 | Support damping control system, fluid-link steering supports damping control system and method thereof |
| CN110001336A (en) * | 2019-03-12 | 2019-07-12 | 江苏大学 | A kind of vehicle ISD suspension single order ideal model based on the just real network optimization of ADD |
| CN110001336B (en) * | 2019-03-12 | 2021-11-23 | 江苏大学 | Vehicle ISD suspension first-order ideal model based on ADD real network optimization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4380643B2 (en) | Hydraulic control device for work machine | |
| CN102351005B (en) | Multi-mode steering hydraulic control system and wheeled crane using same | |
| CN103648890A (en) | Steering device of wheel loader | |
| CN102839709A (en) | Working machine | |
| CN204341185U (en) | Four-mode steering hydraulic control system and vehicle with same | |
| CN101506484A (en) | Fan drive system | |
| JP5901378B2 (en) | Travel control valve | |
| CN206107316U (en) | Support shock attenuation control system , hydrostatic steering support shock attenuation control system | |
| CN201872787U (en) | Vehicle two-way driving all hydraulic steering system | |
| CN103486103A (en) | Hydraulic control block, hydraulic system and construction machinery | |
| JP2017115928A (en) | Hydraulic system of working machine | |
| CN103465957B (en) | The Multi-mode steering hydraulic control of a kind of manual switching and wheeled crane | |
| CN108035928B (en) | Regeneration landing leg valve and landing leg control system with same | |
| JPWO2015178317A1 (en) | Excavator and control method thereof | |
| CN203974931U (en) | Four-wheel steering drive system and the puddle mixer that comprises this drive system | |
| CN205971466U (en) | Hydrostatic steering supports shock attenuation control system | |
| CN104015798A (en) | Hydraulic steering system for engineering machinery | |
| CN203822728U (en) | Material door opening hydraulic system and distributor | |
| CN206720683U (en) | A kind of hydraulic system of combined dual working platform high-altitude operation vehicle | |
| JP2006329341A (en) | Hydraulic control unit of working machine | |
| JP2016053375A5 (en) | ||
| CN106240626B (en) | Support damping control system, fluid-link steering support damping control system and its method | |
| JP2015030303A (en) | Steering device of working vehicle | |
| CN104675766A (en) | Hydraulic buffering system | |
| CN104110410A (en) | Hydraulic system of vehicle-mounted aerial work platform and vehicle-mounted aerial work platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |