CN104675778A - Synchronous adjustment system - Google Patents
Synchronous adjustment system Download PDFInfo
- Publication number
- CN104675778A CN104675778A CN201310638163.8A CN201310638163A CN104675778A CN 104675778 A CN104675778 A CN 104675778A CN 201310638163 A CN201310638163 A CN 201310638163A CN 104675778 A CN104675778 A CN 104675778A
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- fluid port
- hydraulic fluid
- hydraulic motor
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Abstract
The invention provides a synchronous adjustment system. The synchronous adjustment system comprises a driving control mechanism and flow adjusting mechanisms, wherein the driving control mechanism comprises a flow distribution valve, a left hydraulic motor, a right hydraulic motor and an oil pump connected with an external oil tank; oil inlet of the flow distribution valves are connected with the oil pump; the left hydraulic motor and the right hydraulic motor are connected with a three-position six-way control valve respectively; the three-position six-way control valve is connected with two oil outlets of the flow distribution valve respectively; the two flow adjusting mechanisms are arranged and are arranged on two oil paths between the flow distribution valve and the three-position six-way control valve respectively; each flow adjusting mechanism comprises an adjustable flow valve and a stop valve; oil inlets of the adjustable flow valves are connected with the oil paths among the stop valves, the flow distribution valves and the three-position six-way control valve; the oil outlets of the adjustable flow valves are connected with the oil tank. The device has a simple structure, and provides a mechanism for synchronously adjusting hydraulic oil amounts on the left and right sides of the system, and the synchronous driving performance of a transferring machine is realized.
Description
Technical field
The present invention relates to a kind of hydraulic control system, especially a kind of synchronous adjustment system.
Background technique
In actual life, the speed of paddy rice conveyance is by HYDRAULIC CONTROL SYSTEM, hydraulic energy is changed into mechanical energy by hydraulic element, its hydraulic principle is: the hydraulic oil in fuel tank is through oil pump---after hydraulic oil is divided into the identical two-way of flow by diverter valve, the hydraulic fluid port P1 of control valve is led to respectively with one or three six, P2 connects, the hydraulic fluid port A of these three six logical control valves, B connects with two hydraulic fluid ports of oil hydraulic motor respectively, hydraulic fluid port C and the return opening O of described three six logical control valves connect with fuel tank respectively, when not working under conveyance normality, three six logical control valves are in meta, namely hydraulic fluid port P1 and hydraulic fluid port C connects, conveyance is in neutral gear position, when conveyance have travel or turn to require time, change the valve element position of three six logical control valves, make hydraulic fluid port P2 and O, hydraulic fluid port A and B connects, now hydraulic circuit is connected through two hydraulic fluid ports of these three six-way valves and oil hydraulic motor, hydraulic working oil, realize the rotation of motor, thus realize the advance of conveyance, the function retreating or turn, the shortcoming of this design is, though be provided with diverter valve, but because there are some objective factors, or the impact that hydraulic oil causes diverter valve two paths in long-time using process is different, the two-way hydraulic fluid flow rate of diverter valve can not be accomplished real equal, namely can not realize real synchronous, easily cause running out the way, cause danger.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of synchronous adjustment system, applies this device transhipment function and ensures that the hydraulic fluid flow rate flowing into left and right oil hydraulic motor is identical, realize the synchronism that left and right wheels advances or falls back.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of synchronous adjustment system, comprises and travels control mechanism and flow control device;
Described traveling control mechanism comprises:
Oil pump, it is connected with external fuel tank;
Diverter valve, the filler opening of this diverter valve is connected with the oil outlet of oil pump;
Left, right two oil hydraulic motors, and this left side, right oil hydraulic motor is connected to three six logical control valves, its Placement is, first hydraulic fluid port and second hydraulic fluid port of oil hydraulic motor are connected A hydraulic fluid port and the B hydraulic fluid port of three six logical control valves respectively, hydraulic fluid port O and the external fuel tank of described three six logical control valves are connected, hydraulic fluid port C and the external fuel tank of these three six logical control valves are connected, left oil hydraulic motor is by the hydraulic fluid port P1 of the logical control valve of its three six of connecting, P2 is connected with the left side oil outlet of described diverter valve, form left side oil circuit, right oil hydraulic motor is by the hydraulic fluid port P1 of the logical control valve of its three six of connecting, P2 is connected with the right side oil outlet of described diverter valve, form right side oil circuit,
Described flow control device quantity is two, it is located on the left and right sides output circuit of diverter valve respectively, this flow control device includes adjustable restrictive valve and stop valve, the oil outlet of described stop valve is connected with the filler opening of adjustable restrictive valve, the oil outlet of adjustable restrictive valve connects external fuel tank, and the filler opening of stop valve that described two flow control devices are provided with respectively by it is connected with the left and right oil outlet of diverter valve.
Further, between described diverter valve and 3-position 4-way control valve, be equipped with relief valve, and described relief valve is connected with external fuel tank.
Further, filter cleaner is provided with between described relief valve and external fuel tank.
Further, described oil pump is two-way quantitative oil hydraulic pump.
Further, described left and right oil hydraulic motor is two-way quantitative oil hydraulic motor.
The advantage that the present invention has and good effect are: 1). structure is simple; 2). by regulating adjustable restrictive valve and stop valve, conveyance ensures that the fuel delivery of left and right wheels is equal, realize the synchronous requirement in travelling.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: 1, fuel tank, 2, oil pump, 3, diverter valve, 4,12, filter cleaner, 5,11, relief valve, 6, left oil hydraulic motor, 7,9, three six logical control valves, 10, right oil hydraulic motor, 8,16, adjustable restrictive valve, 14, one-way valve, 17,18, stop valve.
Embodiment
Now be further described this device with reference to the accompanying drawings, as shown in Figure 1, a kind of synchronous adjustment system, comprises and travels control mechanism and flow control device;
Described traveling control mechanism comprises:
Oil pump 2, it is connected with external fuel tank 1;
Diverter valve 3, the filler opening of this diverter valve 3 is connected with the oil outlet B6 of oil pump 2;
Left, right two oil hydraulic motors 6, 10, and this left side, right oil hydraulic motor 6, 10 are connected to three six logical control valves 7, 9, its Placement is, oil hydraulic motor 6, the first hydraulic fluid port D of 9 is connected three six logical control valves 7 respectively with the second hydraulic fluid port E, the A hydraulic fluid port of 10 and B hydraulic fluid port, described three six logical control valves 7, hydraulic fluid port O and the external fuel tank 1 of 10 are connected, these three six logical control valves 7, hydraulic fluid port C and the external fuel tank 1 of 10 are connected, left oil hydraulic motor 6 is by the hydraulic fluid port P1 of the logical control valve 7 of its three six of connecting, P2 is connected with the left side oil outlet B3 of described diverter valve 3, form left side oil circuit L1, right oil hydraulic motor 10 is by the hydraulic fluid port P1 of the logical control valve 9 of its three six of connecting, P2 is connected with the right side oil outlet B4 of described diverter valve, form right side oil circuit L2,
Described flow control device quantity is two, it is located on left and right sides output circuit L1, L2 of diverter valve 3 respectively, this flow control device includes adjustable restrictive valve 8,16 and stop valve 17,18, the oil outlet of described stop valve 17,18 is connected with the filler opening of adjustable restrictive valve 8,16, the oil outlet of adjustable restrictive valve 8,16 connects external fuel tank 1, and the filler opening of stop valve 17,18 that described two flow control devices are provided with respectively by it is connected with the left and right oil outlet of diverter valve 3.
Further, between described diverter valve 3 and 3-position 4-way control valve 7,9, be provided with relief valve 5,11, and described relief valve 5,11 is connected with external fuel tank 1.
Further, filter cleaner 4,12 is provided with between described relief valve 5,11 and external fuel tank 1.
Further, described oil pump 2 is two-way quantitative oil hydraulic pump.
Further, described left and right oil hydraulic motor 6,10 is two-way quantitative oil hydraulic motor.
When implementing of the present invention, when the flow of the hydraulic oil to oil circuit 1 and oil circuit 2 adjusts, first close the stop valve 17 on two oil circuits, 18, start conveyance by its straight-line travelling, after travelling predetermined distance, its travel route is measured, calculate its sideslip distance, judge this result whether in predetermined range, if institute's measured value is in predetermined range, then illustrate that diverter valve is to two oil circuits 1, 2 provide hydraulic fluid flow rate consistent, then this system is qualified, otherwise the oil mass of the oil circuit of this system is regulated, the side oil circuit that during adjustment, an adjusting oil mass is large, realize unloading the oil mass of this side oil circuit, the present embodiment is for sideslip left, sideslip illustrates that the hydraulic fluid flow rate of right side oil circuit and oil circuit 2 is excessive left, the adjustment handwheel of the stop valve 18 that micro-rotation oil circuit 2 connects and finely tune the aperture of throttle valve 8, according to this hydraulic oil of oil circuit 2 is unloaded, the adjustment of experiment limit, limit is adjusted to stop valve 18 and throttle valve 8, when its sideslip distance is in predetermined range, illustrate that the hydraulic fluid flow rate of two oil circuits is identical, namely left, right wheel achieves synchronous requirement, now lock stop valve 18, , solve sideslip problem left, this hydraulic system is in normal working, thus realize the synchronous requirement of straight-line travelling.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the scope of the invention change and improve, and all should still belong within this patent covering scope.
Claims (5)
1. a synchronous adjustment system, is characterized in that: comprise and travel control mechanism and flow control device;
Described traveling control mechanism comprises:
Oil pump, it is connected with external fuel tank;
Diverter valve, the filler opening of this diverter valve is connected with the oil outlet of oil pump;
Left, right two oil hydraulic motors, and this left side, right oil hydraulic motor is connected to three six logical control valves, its Placement is, first hydraulic fluid port and second hydraulic fluid port of oil hydraulic motor are connected A hydraulic fluid port and the B hydraulic fluid port of three six logical control valves respectively, hydraulic fluid port O and the external fuel tank of described three six logical control valves are connected, hydraulic fluid port C and the external fuel tank of these three six logical control valves are connected, left oil hydraulic motor is by the hydraulic fluid port P1 of the logical control valve of its three six of connecting, P2 is connected with the left side oil outlet of described diverter valve, form left side oil circuit, right oil hydraulic motor is by the hydraulic fluid port P1 of the logical control valve of its three six of connecting, P2 is connected with the right side oil outlet of described diverter valve, form right side oil circuit,
Described flow control device quantity is two, it is located on the left and right sides output circuit of diverter valve respectively, this flow control device includes adjustable restrictive valve and stop valve, the oil outlet of described stop valve is connected with the filler opening of adjustable restrictive valve, the oil outlet of adjustable restrictive valve connects external fuel tank, and the filler opening of stop valve that described two flow control devices are provided with respectively by it is connected with the left and right oil outlet of diverter valve.
2. a kind of synchronous adjustment system according to claim 1, it is characterized in that: be equipped with relief valve between described diverter valve and 3-position 4-way control valve, and described relief valve is connected with external fuel tank.
3. a kind of synchronous adjustment system according to claim 2, is characterized in that: be provided with filter cleaner between described relief valve and external fuel tank.
4. a kind of synchronous adjustment system according to claim 1, is characterized in that: described oil pump is two-way quantitative oil hydraulic pump.
5. a kind of synchronous adjustment system according to claim 1, is characterized in that: described left and right oil hydraulic motor is two-way quantitative oil hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310638163.8A CN104675778A (en) | 2013-11-29 | 2013-11-29 | Synchronous adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310638163.8A CN104675778A (en) | 2013-11-29 | 2013-11-29 | Synchronous adjustment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675778A true CN104675778A (en) | 2015-06-03 |
Family
ID=53311241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310638163.8A Pending CN104675778A (en) | 2013-11-29 | 2013-11-29 | Synchronous adjustment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237789A (en) * | 2017-07-12 | 2017-10-10 | 上海中联重科桩工机械有限公司 | Hydraulic system and the creeper undercarriage with the hydraulic system |
-
2013
- 2013-11-29 CN CN201310638163.8A patent/CN104675778A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237789A (en) * | 2017-07-12 | 2017-10-10 | 上海中联重科桩工机械有限公司 | Hydraulic system and the creeper undercarriage with the hydraulic system |
| CN107237789B (en) * | 2017-07-12 | 2018-10-12 | 上海中联重科桩工机械有限公司 | Hydraulic system and creeper undercarriage with the hydraulic system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |