CN203384143U - Oil inlet speed regulating loop - Google Patents
Oil inlet speed regulating loop Download PDFInfo
- Publication number
- CN203384143U CN203384143U CN201320323046.8U CN201320323046U CN203384143U CN 203384143 U CN203384143 U CN 203384143U CN 201320323046 U CN201320323046 U CN 201320323046U CN 203384143 U CN203384143 U CN 203384143U
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- CN
- China
- Prior art keywords
- pressure
- oil
- hydraulic pump
- hydraulic cylinder
- controlling device
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- 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
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Abstract
The utility model relates to an oil inlet speed regulating loop. The oil inlet speed regulating loop comprises a quantitative hydraulic pump, a pressure reducing and regulating device, a hydraulic cylinder, a pressure relay and an overflow valve, the pressure reducing and regulating device is connected with the quantitative hydraulic pump, the hydraulic cylinder and the pressure relay are both connected with the pressure reducing and regulating device, and the overflow valve is connected with the hydraulic cylinder. By the structure, pressure can be converted into electric signals, a customer can output one electric signal at one set pressure by regulating the pressure relay according to self pressure design requirements, and operation is facilitated.
Description
Technical field
The utility model is specifically related to the oil-feed flow control circuit.
Background technique
In Hydraulic Power Transmission System, flow control circuit occupies an important position, for example, in the Machinery Tool Hydraulic Transmission system, flow control circuit for main movement and feed movement has important impact to the machine tooling quality, and, selection to other oil hydraulic circuits plays conclusive effect, flow control circuit is by quantitative hydraulic pump, relief valve, throttle valve and oil hydraulic cylinder form, throttle valve is connected on the in-line between oil hydraulic pump and hydraulic actuator, the size of the opening amount by changing throttle valve is regulated the flow that enters oil hydraulic cylinder, and then the movement velocity of regulator solution cylinder pressure, there is certain defect in existing flow control circuit structure, operation inconvenience, can not meet client's demand.
Summary of the invention
Technical problem to be solved in the utility model is to provide the oil-feed flow control circuit, can convert pressure to electrical signal, and the client is according to the pressure design needs of self, by regulating pressure relay, realization, when the pressure of a certain setting, is exported the function of an electrical signal, easy to operate.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: the oil-feed flow control circuit, the decompression controlling device that comprise quantitative hydraulic pump, with quantitative hydraulic pump, is connected, respectively with the oil hydraulic cylinder that is connected of decompression controlling device and pressure relay, the relief valve that is connected with oil hydraulic cylinder.
As preferably, described quantitative hydraulic pump is connected with the left chamber of oil hydraulic cylinder by the decompression controlling device, the right chamber of described oil hydraulic cylinder is connected to the first fuel tank by relief valve, the fluid of this structure quantitative hydraulic pump enters the left chamber of oil hydraulic cylinder by the decompression controlling device, the fluid in the right chamber of oil hydraulic cylinder flow to the first fuel tank by relief valve, and now piston rod moves to right.
As preferably, described decompression controlling device comprises the reduction valve be connected with quantitative hydraulic pump and is connected on the throttle valve on reduction valve, and this structure pressure-reducing controlling device comprises reduction valve and throttle valve, rational in infrastructure, easy to operate.
As preferably, described quantitative hydraulic pump is connected with the second fuel tank, and this structure quantitative hydraulic pump is connected with the second fuel tank, handling safety, convenience.
Beneficial effect:
The utility model adopts technique scheme that the oil-feed flow control circuit is provided, and can convert pressure to electrical signal, and the client is according to the pressure design needs of self, by regulating pressure relay, realization, when the pressure of a certain setting, is exported the function of an electrical signal, easy to operate.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the oil-feed flow control circuit, comprise quantitative hydraulic pump 1, the decompression controlling device 2 be connected with quantitative hydraulic pump 1, the oil hydraulic cylinder 3 and the pressure relay 4 that with decompression controlling device 2, are connected respectively, the relief valve 5 be connected with oil hydraulic cylinder 3, described quantitative hydraulic pump 1 is connected with the left chamber of oil hydraulic cylinder 3 by decompression controlling device 2, the right chamber of described oil hydraulic cylinder 3 is connected to the first fuel tank 6 by relief valve 5, described decompression controlling device 2 comprises the reduction valve 21 be connected with quantitative hydraulic pump 1 and is connected on the throttle valve 22 on reduction valve 21, described quantitative hydraulic pump 1 is connected with the second fuel tank 7.
During real work, the fluid of this structure quantitative hydraulic pump 1 enters the left chamber of oil hydraulic cylinder 3 by decompression controlling device 2, the fluid in oil hydraulic cylinder 3 right chambeies flow to the first fuel tank 6 by relief valve 5, now piston rod moves to right, this structure pressure-reducing controlling device 2 comprises reduction valve 21 and throttle valve 22, rational in infrastructure, easy to operate, this structure quantitative hydraulic pump 1 is connected with the second fuel tank 7, handling safety, convenient, the utility model can convert pressure to electrical signal, the client is according to the pressure design needs of self, by regulating pressure relay, realization is when the pressure of a certain setting, the function of an electrical signal of output, easy to operate.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. oil-feed flow control circuit is characterized in that: the oil hydraulic cylinder (3) that comprise quantitative hydraulic pump (1), the decompression controlling device (2) be connected with quantitative hydraulic pump (1), is connected respectively with decompression controlling device (2) and pressure relay (4), the relief valve (5) be connected with oil hydraulic cylinder (3).
2. oil-feed flow control circuit according to claim 1, it is characterized in that: described quantitative hydraulic pump (1) is connected with the left chamber of oil hydraulic cylinder (3) by decompression controlling device (2), and the right chamber of described oil hydraulic cylinder (3) is connected to the first fuel tank (6) by relief valve (5).
3. oil-feed flow control circuit according to claim 1, it is characterized in that: described decompression controlling device (2) comprises the reduction valve (21) be connected with quantitative hydraulic pump (1) and is connected on the throttle valve (22) on reduction valve (21).
4. oil-feed flow control circuit according to claim 1, it is characterized in that: described quantitative hydraulic pump (1) is connected with the second fuel tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320323046.8U CN203384143U (en) | 2013-06-05 | 2013-06-05 | Oil inlet speed regulating loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320323046.8U CN203384143U (en) | 2013-06-05 | 2013-06-05 | Oil inlet speed regulating loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384143U true CN203384143U (en) | 2014-01-08 |
Family
ID=49872644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320323046.8U Expired - Fee Related CN203384143U (en) | 2013-06-05 | 2013-06-05 | Oil inlet speed regulating loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302072A (en) * | 2018-03-26 | 2018-07-20 | 广东鸿图南通压铸有限公司 | A kind of coagulation system of novel promotion metal liquid solidification |
-
2013
- 2013-06-05 CN CN201320323046.8U patent/CN203384143U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302072A (en) * | 2018-03-26 | 2018-07-20 | 广东鸿图南通压铸有限公司 | A kind of coagulation system of novel promotion metal liquid solidification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150605 |
|
| EXPY | Termination of patent right or utility model |