CN214577715U - Pressure-stable control gas circuit of movable screw machine - Google Patents
Pressure-stable control gas circuit of movable screw machine Download PDFInfo
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- CN214577715U CN214577715U CN202120640158.0U CN202120640158U CN214577715U CN 214577715 U CN214577715 U CN 214577715U CN 202120640158 U CN202120640158 U CN 202120640158U CN 214577715 U CN214577715 U CN 214577715U
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Abstract
The utility model relates to a remove screw rod machine technical field, specifically be a pressure stabilization's removal screw rod machine control gas circuit, including the screw rod machine gas port, the first connecting tube of one end fixedly connected with of screw rod machine gas port, the one end that the screw rod machine gas port was kept away from to first connecting tube is provided with air filter, the one end that first connecting tube is close to air filter is provided with the admission valve, one side fixedly connected with second connecting tube of first connecting tube, the first passageway of one side fixedly connected with of second connecting tube, the inside of first passageway is provided with the proportional valve, the one end that the second connecting tube was kept away from to first passageway is provided with first oil content core. This pressure stabilization's removal screw rod machine control gas circuit through its reasonable design, the effectual impact that has reduced pressure and produced each valve member in oil circuit, the gas circuit, and then the effectual life who prolongs each valve member in oil circuit, the gas circuit to the effectual life who removes the screw rod machine that has prolonged.
Description
Technical Field
The utility model relates to a remove screw rod machine technical field, specifically be a pressure stabilization's removal screw rod machine control gas circuit.
Background
A movable screw air compressor is called as a movable screw machine for short, the movable screw air compressor is widely applied to industries such as mines, water conservancy, traffic, shipbuilding, urban construction, energy sources, military industry and the like, the air compressor in the market is mainly divided into a screw air compressor, a piston air compressor, a centrifugal air compressor and the like, the centrifugal air compressor is mainly applied to occasions with large air consumption, common enterprises apply little, the equipment investment of the piston air compressor is low, the air compressor is adopted by many enterprises in the past, but the air generation efficiency is poor, the air compressor is gradually replaced by the screw air compressor, the air generation efficiency of the screw air compressor is high, the screw air compressor is mainly divided into two types, namely oil-containing air compressor and oil-free air compressor, wherein the oil-free air compressor is applied to special occasions such as textile and medicine, the air inlet valves of the existing movable screw machine are mainly divided into two types, namely a normally open type air inlet valve and a normally closed type air inlet valve, and has the advantage that the starting load of the screw machine is small, the defects are that the closing speed is slow when the high pressure is unloaded, when the terminal does not use compressed air, the exhaust pressure cannot be closed rapidly because of a normally closed type air inlet valve, so that the exhaust pressure exceeds the rated pressure by 2-3 bar, in order to prevent the safety valve from being opened when the overpressure exists, the set pressure of the safety valve is often increased by manufacturers of the whole machine, the normally open type air inlet valve has the advantages that the closing speed is very high when the high pressure is unloaded, when the terminal does not use compressed air, the exhaust pressure basically does not exceed the rated pressure, the defects are that the starting load of a screw machine is larger, the performance is more obvious under the condition that the outdoor temperature is lower, the air storage tank is inconvenient to carry due to the change of a working place, the use is inconvenient for users, when the compressed air pressure and the air quantity meet the use requirements, the exhaust ball valve is closed urgently, the pressure is 0.3-0.4 MPa higher instantly, the unstable pressure impacts valves in an oil way and an air way, and the service life of the valves in the air way is seriously influenced, therefore, a control gas circuit with an energy efficiency stabilizing system pressure is urgently needed, is used on a motor-driven movable screw machine and used for emergently closing a valve, controls the impact pressure to be 0.02-0.04 Mpa and is suitable for mine field operation places.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure stabilization's removal screw rod machine control gas circuit for solve the device in the past in the in-process that uses, unstable pressure strikes each valve member in the oil circuit gas circuit, has seriously influenced its life's technical problem.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a pressure-stable mobile screw machine control gas circuit comprises a screw machine gas port, wherein one end of the screw machine gas port is fixedly connected with a first connecting pipeline, one end, far away from the screw machine gas port, of the first connecting pipeline is provided with an air filter element, one end, near the air filter element, of the first connecting pipeline is provided with an air inlet valve, one side of the first connecting pipeline is fixedly connected with a second connecting pipeline, one side of the second connecting pipeline is fixedly connected with a first channel, a proportional valve is arranged inside the first channel, and one end, far away from the second connecting pipeline, of the first channel is provided with a first oil core;
the oil-gas separation device is characterized in that a second channel is fixedly connected to one side, far away from the first connecting pipeline, of the second connecting pipeline, an electromagnetic valve is arranged at one end, far away from the second connecting pipeline, of the second channel, a second oil core is arranged at one end, far away from the second connecting pipeline, of the second channel, a third channel is fixedly connected to one side of the first connecting pipeline, an air release valve is arranged inside the third channel, and a third oil core is arranged at one end, far away from the first connecting pipe, of the third channel. .
The utility model discloses further set up to: the first oil core is arranged in an oil-gas separator of the movable screw machine.
Through adopting above-mentioned technical scheme to make the removal screw rod machine can normally operate.
The utility model discloses further set up to: the air inlet valve is normally opened, and the first connecting pipeline is normally opened.
Through adopting above-mentioned technical scheme to make the removal screw rod machine can normally operate.
The utility model discloses further set up to: the electromagnetic valve is normally opened, and the second channel is normally opened.
By adopting the technical scheme, when the movable screw machine is in loading operation, the electromagnetic valve is powered on and closed, gas from a first oil core in the oil-gas separator cannot pass through the first channel, the proportional valve is closed when the pressure does not reach the set pressure, the second channel is closed, the vent valve is closed when the vent valve is exhausted, the third channel is closed, the air inlet valve of the air inlet valve is opened when the vent valve is exhausted, and the movable screw machine is in loading operation.
The utility model discloses further set up to: the blow valve is set to be normally closed, and the third channel is set to be normally closed.
Through adopting above-mentioned technical scheme, the third passageway is opened after the atmospheric valve gets gas, and the compressed air of third oil content core discharges in the twinkling of an eye, and pressure falls back, dashes high pressure and can not exceed 0.02~0.04Mpa to guarantee to remove screw rod machine even running.
The utility model discloses further set up to: the proportional valve is set to be normally closed, and the first passage is set to be normally closed.
By adopting the technical scheme, when the pressure of the internal system of the movable screw machine is close to the set pressure, the proportional valve is gradually opened, the second channel is opened, a little air flow enters the air inlet valve, the air inlet valve is gradually closed, when the pressure of the internal system of the movable screw machine reaches the set pressure value, the proportional valve is completely opened, the second channel is opened, the air inlet valve is completely closed, and the movable screw machine is in load shedding operation.
To sum up, the utility model discloses a beneficial technological effect does:
the pressure-stable mobile screw machine controls a gas circuit, when the mobile screw machine is in loading operation, a normally open electromagnetic valve is powered on and closed, gas from a first oil core in an oil-gas separator cannot pass through a first channel, a proportional valve does not reach a set pressure and is closed, a second channel is closed, a normally closed emptying valve is powered off and closed, a third channel is closed, a normally open air inlet valve is powered off and opened, a mobile screw machine is in loading operation, when the system pressure is close to the set pressure, the proportional valve is gradually opened, the second channel is opened, a little air flow enters the normally open air inlet valve, the normally open air inlet valve is gradually closed, when the set pressure value is reached, the proportional valve is completely opened, the second channel is opened, the normally open air inlet valve is completely closed, the mobile screw machine is in unloading operation, when a user urgently closes the valve, the pressure is instantly increased, the proportional valve is opened, the second channel is opened, the normally open emptying valve is opened, the third channel is opened after the gas is supplied, the compressed air of third oil content core discharges in the twinkling of an eye, and pressure falls back, dashes high pressure and can not exceed 0.02~0.04Mpa to guarantee to remove screw rod machine even running, thereby the effectual impact that has reduced pressure and produced each valve member in oil circuit, the gas circuit, and then the effectual life who prolongs each valve member in oil circuit, the gas circuit, with the effectual life who removes the screw rod machine that has prolonged.
Drawings
Fig. 1 is a working principle diagram of the present invention.
In the figure: 1. a screw machine air port; 2. a first connecting pipe; 3. an air filter element; 4. an intake valve; 5. a second connecting pipe; 6. a first channel; 7. a proportional valve; 8. a first oil core; 9. a second channel; 10. an electromagnetic valve; 11. a second oil core; 12. a third channel; 13. an atmospheric valve; 14. a third oil core.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a mobile screw machine control gas circuit with stable pressure disclosed by the present invention comprises a screw machine gas port 1, one end of the screw machine gas port 1 is fixedly connected with a first connecting pipeline 2, one end of the first connecting pipeline 2 far from the screw machine gas port 1 is provided with an air filter element 3, one end of the first connecting pipeline 2 close to the air filter element 3 is provided with an air inlet valve 4, one side of the first connecting pipeline 2 is fixedly connected with a second connecting pipeline 5, one side of the second connecting pipeline 5 is fixedly connected with a first channel 6, the inside of the first channel 6 is provided with a proportional valve 7, one end of the first channel 6 far from the second connecting pipeline 5 is provided with a first oil core 8, in the present embodiment, when the mobile screw machine is loaded, a normally open electromagnetic valve 10 is powered off, gas from the first oil core 8 in the oil-gas separator can not pass through the first channel 6, the proportional valve 7 is closed when the set pressure is not reached, the second channel 9 is closed, the normally closed blow-down valve 13 is closed when the air is lost, the third channel 12 is closed, the normally open air inlet valve 4 is opened when the air is lost, the mobile screw machine is in loading operation, when the system pressure is close to the set pressure, the proportional valve 7 is gradually opened, the second channel 9 is opened, a little air flow enters the normally open air inlet valve 4, the normally open air inlet valve 4 is gradually closed, when the set pressure value is reached, the proportional valve 7 is completely opened, the second channel 9 is opened, the normally open air inlet valve 4 is completely closed, and the mobile screw machine is in unloading operation;
referring to fig. 1, a second channel 9 is fixedly connected to one side of a second connecting pipeline 5 far away from a first connecting pipeline 2, an electromagnetic valve 10 is arranged at one end of the second channel 9 far away from the second connecting pipeline 5, a second oil core 11 is arranged at one end of the second channel 9 far away from the second connecting pipeline 5, a third channel 12 is fixedly connected to one side of the first connecting pipeline 2, a vent valve 13 is arranged inside the third channel 12, and a third oil core 14 is arranged at one end of the third channel 12 far away from the first connecting pipeline, in this embodiment, when a user closes the valve in an emergency, the pressure is instantly increased, a proportional valve 7 is opened, the second channel 9 is opened, the third channel 12 is opened after the normally open vent valve 13 is inflated, compressed air of the third oil core 14 is instantly discharged, the pressure falls, and the pressure of the impulse cannot exceed 0.02-0.04 Mpa, so as to ensure that the mobile screw machine stably operates, thereby effectively reducing the pressure of the oil channel, Impact generated by each valve in the gas circuit effectively prolongs the service life of each valve in the oil circuit and the gas circuit, so that the service life of the movable screw machine is effectively prolonged, and therefore the movable screw machine control gas circuit has certain practicability.
The first oil core 8 is arranged in an oil-gas separator of the mobile screw machine.
The inlet valve 4 is set to be normally open, and the first connecting pipe 2 is set to be normally open.
The solenoid valve 10 is set to be normally open, and the second passage 9 is set to be normally open.
The blow valve 13 is set to be normally closed, and the third passage 12 is set to be normally closed.
The proportional valve 7 is set to be normally closed, and the first passage 6 is set to be normally closed.
The implementation principle of the embodiment is as follows: when the movable screw machine is in loading operation, the normally open electromagnetic valve 10 is powered on and closed, gas from a first oil core 8 in the oil-gas separator cannot pass through the first channel 6, the proportional valve 7 is closed when the pressure of the system is not up to the set pressure, the second channel 9 is closed, the normally closed vent valve 13 is deflated and closed, the third channel 12 is closed, the normally open air inlet valve 4 is deflated and opened, the movable screw machine is in loading operation, when the system pressure is close to the set pressure, the proportional valve 7 is gradually opened, the second channel 9 is opened, a little air flow enters the normally open air inlet valve 4, the normally open air inlet valve 4 is gradually closed, when the set pressure value is reached, the proportional valve 7 is fully opened, the second channel 9 is opened, the third channel 12 is opened after the normally open vent valve 13 is inflated, the compressed air of the third oil content core 14 discharges in the twinkling of an eye, and pressure falls back, dashes high pressure and can not exceed 0.02~0.04Mpa to guarantee to remove screw machine even running, thereby the effectual impact that has reduced pressure and produced each valve member in to oil circuit, the gas circuit, and then the effectual life who prolongs each valve member in oil circuit, the gas circuit, with the effectual life who removes the screw machine that has prolonged, therefore this removes screw machine control gas circuit and has certain practicality.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a stable pressure's removal screw rod machine control gas circuit, includes screw rod machine gas port (1), its characterized in that: one end of the screw machine air port (1) is fixedly connected with a first connecting pipeline (2), one end, far away from the screw machine air port (1), of the first connecting pipeline (2) is provided with an air filter element (3), one end, close to the air filter element (3), of the first connecting pipeline (2) is provided with an air inlet valve (4), one side of the first connecting pipeline (2) is fixedly connected with a second connecting pipeline (5), one side of the second connecting pipeline (5) is fixedly connected with a first channel (6), a proportional valve (7) is arranged inside the first channel (6), and one end, far away from the second connecting pipeline (5), of the first channel (6) is provided with a first oil content core (8);
one side fixedly connected with second passageway (9) that first connecting tube (2) were kept away from in second connecting tube (5), the one end that second connecting tube (5) were kept away from in second passageway (9) is provided with solenoid valve (10), the one end that second connecting tube (5) were kept away from in second passageway (9) is provided with second oil content core (11), one side fixedly connected with third passageway (12) of first connecting tube (2), the inside of third passageway (12) is provided with atmospheric valve (13), the one end that first connecting tube was kept away from in third passageway (12) is provided with third oil content core (14).
2. The pressure-stabilized mobile screw machine control gas circuit according to claim 1, characterized in that: the first oil content core (8) is arranged in an oil-gas separator of the movable screw machine.
3. The pressure-stabilized mobile screw machine control gas circuit according to claim 1, characterized in that: the air inlet valve (4) is normally opened, and the first connecting pipeline (2) is normally opened.
4. The pressure-stabilized mobile screw machine control gas circuit according to claim 1, characterized in that: the electromagnetic valve (10) is normally opened, and the second channel (9) is normally opened.
5. The pressure-stabilized mobile screw machine control gas circuit according to claim 1, characterized in that: the blow-off valve (13) is set to be normally closed, and the third passage (12) is set to be normally closed.
6. The pressure-stabilized mobile screw machine control gas circuit according to claim 1, characterized in that: the proportional valve (7) is set to be normally closed, and the first passage (6) is set to be normally closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640158.0U CN214577715U (en) | 2021-03-26 | 2021-03-26 | Pressure-stable control gas circuit of movable screw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640158.0U CN214577715U (en) | 2021-03-26 | 2021-03-26 | Pressure-stable control gas circuit of movable screw machine |
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| Publication Number | Publication Date |
|---|---|
| CN214577715U true CN214577715U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120640158.0U Active CN214577715U (en) | 2021-03-26 | 2021-03-26 | Pressure-stable control gas circuit of movable screw machine |
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| Country | Link |
|---|---|
| CN (1) | CN214577715U (en) |
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2021
- 2021-03-26 CN CN202120640158.0U patent/CN214577715U/en active Active
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