CN102678651B - Hydraulic manual reversing and speed adjusting control valve - Google Patents
Hydraulic manual reversing and speed adjusting control valve Download PDFInfo
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- CN102678651B CN102678651B CN201210182250.2A CN201210182250A CN102678651B CN 102678651 B CN102678651 B CN 102678651B CN 201210182250 A CN201210182250 A CN 201210182250A CN 102678651 B CN102678651 B CN 102678651B
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- valve rod
- oil
- main valve
- oil duct
- oil cylinder
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Abstract
The invention creates and provides a hydraulic manual reversing and speed adjusting control valve, which includes a main valve body provided with an oil inlet, an oil return hole and oil passages, wherein a main valve rod used for changing the flow direction of fluid through changing the oil passages is arranged in the main valve body; a connection oil cylinder front cavity oil passage and a connection oil cylinder back cavity oil passage are arranged in the main valve body, and are perpendicular to the direction of the main valve rod respectively; an instant/micro-motion switching valve rod is arranged in the direction perpendicular to the oil inlet and extends to the oil inlet; a fine-tuning valve rod is arranged in the connection oil cylinder back cavity oil passage and is perpendicular to the direction of the main valve rod; and the connection oil cylinder back cavity oil passage is communicated with the main valve rod and the oil inlet through the oil passages. The control valve integrates the reversing and linear speed adjusting functions of the manually-operated valve in a hydraulic system, is provided with the instant/micro-motion switching valve rod, can be used for linear speed adjustment for the speed within a certain range, meanwhile has the functions of quickly advancing and quickly retreating, is more flexible in operation, and has a wide application range.
Description
Technical field
The invention belongs to technical field of hydraulic, and being specifically related to one both can manual reverse of direction, again can the hydraulic control valve of linear speed regulation.
Background technique
Hand-hydraulic control valve in the market, mostly can only realize the commutation function of hydraulic system, cannot realize the linear speed regulation of hydraulic system power unit, or some valve blocks have speed-regulating function, but there is no commutation function, so relatively little in application area, use yet underaction.
Summary of the invention
The object of the invention is to provide the commutation of a kind of hydraulic manual, speed regulating control valve, this control valve integrates manually operated valve commutation and linear speed regulation function in hydraulic system, and be provided with quick, fine motion switching valve rod, control rate linear speed regulation within the specific limits can be realized, have again the function of F.F., rewind simultaneously.
The technological scheme of the invention: hydraulic manual commutates, speed regulating control valve, comprise and there is oil inlet hole, the main valve body of spill port and oil duct, the main valve stem by changing oil duct and alter flow direction is provided with in main valve body, have in main valve body and connect oil cylinder ante-chamber oil duct and be connected oil cylinder back cavity oil duct, connect oil cylinder ante-chamber oil duct and to be connected oil cylinder back cavity oil duct vertical with main valve stem direction respectively, the direction vertical with oil inlet hole is provided with fast/fine motion and switches valve rod, fast/fine motion switches valve rod and puts in oil inlet hole, fine setting valve rod is provided with in connection oil cylinder back cavity oil duct, fine setting valve rod is vertical with main valve stem direction, and connection oil cylinder back cavity oil duct is communicated with oil inlet hole by oil duct and main valve stem.
Top, the front end one fine setting valve rod ball of fine setting valve rod, fine setting valve rod is threaded with main valve body; The top, front end one that fast/fine motion switches valve rod switches valve rod ball, and fast/fine motion switches valve rod and is threaded with main valve body.
The beneficial effect of the invention: switch valve rod and fine setting valve rod owing to increasing fast/fine motion on main valve body, control rate linear speed regulation within the specific limits can be realized, have again the function of F.F., rewind simultaneously, make operation more flexible, applied range; Owing to finely tuning top, the front end one fine setting valve rod ball of valve rod, fine setting valve rod is threaded with main valve body, the top, front end one that fast/fine motion switches valve rod switches valve rod ball, and it is little that fast/fine motion switches the valve rod volume that is threaded with main valve body, makes the control of the flow of hydraulic oil very flexible; The present invention safeguards simply, has good Economy, goes for poor working environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention.
Fig. 2 be the invention travel forward state time fine setting valve rod sectional view.
Fig. 3 be the invention travel forward state time fast/fine motion switch the sectional view of valve rod.
Fig. 4 be the invention travel forward state time spill port sectional view.
Fig. 5 be the invention backward motion state time fine setting valve rod sectional view.
Fig. 6 be the invention backward motion state time fast/fine motion switch the sectional view of valve rod.
Fig. 7 be the invention backward motion state time spill port sectional view.
Embodiment
As shown in Figure 1, hydraulic manual commutates, speed regulating control valve, comprise and there is oil inlet hole 8, the main valve body 2 of spill port 9 and oil duct 7, the main valve stem 4 by changing oil duct 7 and alter flow direction is provided with in main valve body 2, have in main valve body 2 and connect oil cylinder ante-chamber oil duct 11 and be connected oil cylinder back cavity oil duct 10, connect oil cylinder ante-chamber oil duct 11 and to be connected oil cylinder back cavity oil duct 10 vertical with main valve stem 4 direction respectively, the direction vertical with oil inlet hole 8 is provided with fast/fine motion and switches valve rod 1, fast/fine motion switches valve rod 1 and puts in oil inlet hole 8, fine setting valve rod 3 is provided with in connection oil cylinder back cavity oil duct 10, fine setting valve rod 3 is vertical with main valve stem 4 direction, and connection oil cylinder back cavity oil duct 10 is communicated with oil inlet hole 8 by oil duct 7 and main valve stem 4.
Top, the front end one fine setting valve rod ball 6 of fine setting valve rod 3, fine setting valve rod 3 is threaded with main valve body 2; The top, front end one that fast/fine motion switches valve rod 1 switches valve rod ball 5, and fast/fine motion switches valve rod 1 and is threaded with main valve body 2.
Working principle: the oil inlet hole 8 on main valve body 2 and spill port 9 are connected with the oil-feed of hydraulic power unit and oil return respectively, connects oil cylinder ante-chamber oil duct 11 and is connected oil cylinder back cavity oil duct 10 and is connected with power unit.The commutation function of main valve body 2 is the positions by adjusting main valve stem 4, changes the connection of oil duct 7, thus changes power unit movement direction change forward or backward.The linear speed regulation function of main valve body 2, mainly by changing the flow of oil duct 7, thus changes the travelling speed of power unit; Fine setting valve rod 3 front end top one fine setting valve rod ball 6, fine setting valve rod 3 is threaded with main valve body 2, rotate fine setting valve rod 3, fine setting valve rod 3 is made to realize moving axially, like this, the fine setting valve rod ball 6 of its front end also moves axially under the effect of hydraulic pressure thereupon, changes the gap length of fine setting valve rod ball 6 and oil duct 7 port, thus changing the flow of hydraulic oil, fast/fine motion switches the working principle of valve rod 1 with fine setting valve rod 3.
Specific works process: as shown in Figure 2, when main valve stem 4 is rotated counterclockwise 45 °, oil inlet hole 8 be connected the conducting of oil cylinder back cavity oil duct 10, the power unit that rear end can be made to connect after conducting does corresponding action, the speed of action has two kinds of modes: one is fast moving, and another kind is that fine motion is moved.Continue as shown in Figure 2, working state forward adjusted to by main valve stem 4, inlet hole 8 with is connected oil cylinder back cavity oil duct 10 and communicates, but oil duct flow rates controlled is in fine setting valve rod 3 and quick/fine motion switching valve rod 1.As shown in Figure 3, when fast/fine motion switching valve rod 1 is open mode, hydraulic oil directly enters into connection oil cylinder back cavity oil duct 10 with very large flow and enters into oil cylinder back cavity, and the power unit that rear end is connected moves with speed quickly; When fast/fine motion switching valve rod 1 is closed condition, closing oil input channel by switching valve rod ball 5, making hydraulic oil can only be flowed into the oil pocket of rear end power unit by the oil duct of fine setting valve rod 3.
As shown in Figure 2, fine setting valve rod 3 withstands the fine setting valve rod ball 6 of front end by screw thread, thus the gap of adjustment fine setting valve rod ball 6 and oil duct junction, when the gap is large, flow is large, the quick action of power unit, when the gap is small or very close to each other time, make the travelling speed of power unit slack-off or slack, thus achieve the linear speed regulation of the movement of rear end power unit.
As shown in Figure 4, when main valve stem 4 is in working state forward, connect oil cylinder ante-chamber oil duct 11 and refluxed to spill port 9 by the oil duct on main valve stem 4, make the oil of another oil pocket of power unit flow back to fuel tank, thus make power unit continue to take exercises to a direction.
As shown in Figure 5 and Figure 6, when main valve stem 4 is to when rotating clockwise 45 °, power unit can move round about, and now main valve stem 4 is in backward operation state, fast/fine motion switches valve rod 1 and fine setting valve rod 3 all cuts little ice, and that is oil can not pass through these two valve rods.At this moment oil inlet hole 8 by the oil duct on main valve stem 4 directly with is connected oil cylinder ante-chamber oil duct 11 and is connected, past oil cylinder ante-chamber oiling.As shown in Figure 7, while main valve stem 4 is in backward operation state, makes again spill port 9 and be connected oil cylinder back cavity oil duct 10 and be directly connected, make the oil of another oil pocket of power unit flow back to fuel tank, thus power unit is continued to mobile in the other direction.
Claims (2)
1. hydraulic manual commutation, speed regulating control valve, comprise and there is oil inlet hole (8), the main valve body (2) of spill port (9) and oil duct (7), it is characterized in that: in main valve body (2), be provided with the main valve stem (4) of alter flow direction by change oil duct (7), have in main valve body (2) and connect oil cylinder ante-chamber oil duct (11) and be connected oil cylinder back cavity oil duct (10), connect oil cylinder ante-chamber oil duct (11) and to be connected oil cylinder back cavity oil duct (10) vertical with main valve stem (4) direction respectively, the direction vertical with oil inlet hole (8) is provided with fast/fine motion and switches valve rod (1), fast/fine motion switches valve rod (1) and puts in oil inlet hole (8), fine setting valve rod (3) is provided with in connection oil cylinder back cavity oil duct (10), fine setting valve rod (3) is vertical with main valve stem (4) direction, and connection oil cylinder back cavity oil duct (10) is communicated with oil inlet hole (8) by oil duct (7) and main valve stem (4).
2. hydraulic manual commutation as claimed in claim 1, speed regulating control valve, is characterized in that: top, front end one fine setting valve rod ball (6) of fine setting valve rod (3), and fine setting valve rod (3) is threaded with main valve body (2); The top, front end one that fast/fine motion switches valve rod (1) switches valve rod ball (5), and fast/fine motion switches valve rod (1) and is threaded with main valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182250.2A CN102678651B (en) | 2012-06-05 | 2012-06-05 | Hydraulic manual reversing and speed adjusting control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182250.2A CN102678651B (en) | 2012-06-05 | 2012-06-05 | Hydraulic manual reversing and speed adjusting control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102678651A CN102678651A (en) | 2012-09-19 |
| CN102678651B true CN102678651B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210182250.2A Active CN102678651B (en) | 2012-06-05 | 2012-06-05 | Hydraulic manual reversing and speed adjusting control valve |
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| Country | Link |
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| CN (1) | CN102678651B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042526U (en) * | 1988-10-20 | 1989-08-09 | 湖南机床厂 | Hydraulic operated valve |
| CN2052837U (en) * | 1989-06-10 | 1990-02-14 | 付如松 | Hydraulic valve |
| CN101025235A (en) * | 2006-02-24 | 2007-08-29 | 罗伯特·博世有限公司 | Directional or flow control valve |
| CN202138985U (en) * | 2011-07-13 | 2012-02-08 | 周爱兴 | Oil return speed adjustable device for jack |
| CN202646214U (en) * | 2012-06-05 | 2013-01-02 | 营口亿祥机械有限公司 | Hydraulic manual reversing and speed regulation control valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213085A (en) * | 1975-07-18 | 1977-02-01 | Shin Meiwa Ind Co Ltd | Rotation controller of an oil pressure motor |
-
2012
- 2012-06-05 CN CN201210182250.2A patent/CN102678651B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042526U (en) * | 1988-10-20 | 1989-08-09 | 湖南机床厂 | Hydraulic operated valve |
| CN2052837U (en) * | 1989-06-10 | 1990-02-14 | 付如松 | Hydraulic valve |
| CN101025235A (en) * | 2006-02-24 | 2007-08-29 | 罗伯特·博世有限公司 | Directional or flow control valve |
| CN202138985U (en) * | 2011-07-13 | 2012-02-08 | 周爱兴 | Oil return speed adjustable device for jack |
| CN202646214U (en) * | 2012-06-05 | 2013-01-02 | 营口亿祥机械有限公司 | Hydraulic manual reversing and speed regulation control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102678651A (en) | 2012-09-19 |
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