CN211174537U - Multifunctional gas circuit system of milling machine - Google Patents
Multifunctional gas circuit system of milling machine Download PDFInfo
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- CN211174537U CN211174537U CN201921998066.9U CN201921998066U CN211174537U CN 211174537 U CN211174537 U CN 211174537U CN 201921998066 U CN201921998066 U CN 201921998066U CN 211174537 U CN211174537 U CN 211174537U
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Abstract
A milling machine multifunctional gas circuit system comprises an oil-water separator combination valve, a gas storage tank, a three-way joint, a Y-shaped three-way joint and a quick-change joint, and is characterized in that a gas inlet of the oil-water separator combination valve is connected with an air compressor of an engine through a pipeline, the gas storage tank is connected with a gas outlet of the oil-water separator combination valve, the gas inlet of the three-way joint is connected with the gas storage tank, one end of a gas outlet of the three-way joint is connected with the gas inlet of the air compressor, the other end of the gas outlet of the three-way joint is connected with the Y-shaped three-way joint, and; the problem that the milling machine is inconvenient to replace the upper cutter head of the milling drum and the air filter for long-term dust removal is solved; the gas circuit system can control whether to continuously operate according to the gas circuit pressure, so that the power of the engine can be saved; the gas circuit system has reliable and safe performance, the oil-water separation combined valve can ensure that the gas circuit is not easy to block, and the gas storage tank cannot rust.
Description
Technical Field
The utility model relates to a milling machine especially relates to a multi-functional gas circuit system of milling machine.
Background
At present, a large milling machine is commonly used for large-area renovation of a highway, the construction period is long, the tool bit on a milling drum is seriously abraded, and the tool bit needs to be frequently replaced; the common method is that a movable vehicle is used for transferring an air source device and a pneumatic wrench to a construction site, so that time and labor are wasted, and the construction progress is influenced; meanwhile, the construction environment is severe, the raised dust is more, the particulate matters in the air of a construction site are more, the air filter of the engine needs to be frequently dedusted, the construction site has no air source, the air filter can not be dedusted and maintained at any time and any place, the engine needs to wait for the transition to go to a maintenance workshop to be dedusted, and the engine has adverse effects on an air inlet system of the engine for a long time.
Disclosure of Invention
The air compressor is a power source of the whole air path system and provides required air for the air path system. The PR control diaphragm arranged on the compressor divides an air inlet of the air compressor into two parts, the diaphragm is in a closed state in the air pumping process of the air compressor, and the air compressor continuously operates to pump air into the air storage tank. When the pressure in the air storage tank reaches the working pressure of the system, the PR control diaphragm is opened by the airflow in the air storage tank, the air compressor is unloaded, the air pumping is stopped, and the air compressor stops rotating, so that the power consumption of the engine is reduced.
The oil-water separator combination valve can automatically adjust the working pressure in the gas circuit system, can also filter oil mist and water vapor mixed in compressed air, provides clean gas for the gas circuit system, prevents the corrosion of the gas storage tank, and also prevents the gas circuit system from freezing in winter. The oil-water separator combination valve can automatically discharge the filtered oil, water and other impurities.
In order to solve the problem, the utility model provides a multi-functional gas circuit system of milling machine provides one kind and can solve the milling machine and change the gas circuit system of the long-term problem of removing dust of milling drum top tool bit, air cleaner. In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a multi-functional gas circuit system of milling machine, includes oil water separator combination valve, gas holder, three way connection, Y type three way connection and quick change coupler, the air inlet of oil water separator combination valve is connected with the air compressor of engine from the area through the pipeline, the gas holder is connected with the gas outlet of oil water separator combination valve, three way connection's air inlet is connected with the gas holder, and the one end of three way connection gas outlet is connected with air compressor's air inlet, and the other end of three way connection gas outlet is connected with Y type three way connection, the quick change coupler is connected with Y type three way connection's gas outlet.
Furthermore, the rear part of the air inlet of the oil-water separator combination valve is connected with a cavity B with a groove-shaped surface, the rear part of the cavity B is connected with a plastic filter element, the rear part of the plastic filter element is connected with a one-way valve and an air outlet, the rear part of the one-way valve is connected with a cavity D, the rear part of the cavity D is connected with a cavity E through a small hole, the lower part of the cavity E is provided with a piston, the lower part of the piston is provided with an exhaust valve, the upper part of the cavity E is provided with a control piston, the control piston is provided with a reset.
Furthermore, the air storage tank is also provided with a water drain valve, and water vapor remained in the airflow is condensed on the inner surface of the air storage tank and is discharged through the water drain valve.
Further, a humidity alarm is further arranged on the air storage tank to remind an operator of draining water for the air storage tank in time.
Further, a pressure alarm is further arranged on the air storage tank, and after the pressure of the air storage tank system is reduced, an operator can be prompted to be abnormal, and the operator is required to stop to check whether a leakage part exists.
Further, the gas storage tank is also provided with a safety valve, so that the pressure of the system is ensured not to exceed the bearing capacity of the gas storage tank.
Compared with the prior art, the utility model discloses following beneficial effect has: the problem that the milling machine is inconvenient to replace the upper cutter head of the milling drum and the air filter for long-term dust removal is solved; the gas circuit system can control whether to continuously operate according to the gas circuit pressure, so that the power of the engine can be saved; the gas circuit system has reliable and safe performance, the oil-water separation combined valve can ensure that the gas circuit is not easy to block, and the gas storage tank cannot rust.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of a combination valve of an oil-water separator;
in the drawings: 1. the oil-water separator combination valve comprises an oil-water separator combination valve 2, a gas storage tank 21, a water drain valve 22, a humidity alarm 23, a pressure alarm 24, a safety valve 3, a three-way joint 4, a Y-shaped three-way joint 5, a quick-change joint 6, an air compressor 7, an overload pressure regulating valve 8, a plastic filter element 9, a one-way valve 10, an exhaust piston 11, an exhaust valve 12, a control piston 13, a reset spring 14, a central ejector rod 15, an air inlet valve 16 and an air outlet valve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described with reference to fig. 1, fig. 2 and the specific embodiments.
As shown in fig. 1 and fig. 2, the multifunctional gas circuit system of the milling machine comprises an oil-water separator combination valve 1, a gas storage tank 2, a three-way joint 3, a Y-shaped three-way joint 4 and a quick-change joint 5, wherein a gas inlet a of the oil-water separator combination valve 1 is connected with an air compressor 6 of an engine through a pipeline, the gas storage tank 2 is connected with a gas outlet C of the oil-water separator combination valve 1, a gas inlet of the three-way joint 3 is connected with the gas storage tank 2, one end of a gas outlet of the three-way joint 3 is connected with a gas inlet of the air compressor 6, the other end of the gas outlet of the three-way joint 3 is connected with the Y-shaped three-way joint 4, and the.
Further, the rear portion of an air inlet A of the oil-water separator combination valve 1 is connected with a cavity B with a groove-shaped surface, the rear portion of the cavity B is connected with a plastic filter element 8, the rear portion of the plastic filter element 8 is connected with a one-way valve 9 and an air outlet C, the rear portion of the one-way valve 9 is connected with a cavity D, the rear portion of the cavity D is connected with a cavity E through a small hole, the lower portion of the cavity E is provided with an exhaust piston 10, the lower portion of the exhaust piston 10 is provided with an exhaust valve 11, the upper portion of the cavity E is provided with a control piston 12, the control piston 12 is provided with a return spring 13 and a center ejector rod 14, two ends of the center ejector rod 14.
Further, the air tank 2 is provided with a water drain valve 21, and water vapor remaining in the air flow is condensed on the inner surface of the air tank and discharged through the water drain valve 21.
Further, a humidity alarm 22 is further arranged on the gas storage tank 2 to remind an operator of discharging water into the gas storage tank in time.
Further, the gas storage tank 2 is also provided with a pressure alarm 23, and after the pressure of the gas storage tank 2 is reduced, an operator can be prompted to be abnormal in the system, and the operator is required to stop to check whether a leakage part exists.
Further, the gas storage tank 2 is also provided with a safety valve 24, so that the system pressure is ensured not to exceed the bearing capacity of the gas storage tank 2.
The utility model discloses a theory of operation and working process as follows: an air compressor 6 arranged in the engine compresses air, compressed air flow enters an air inlet A of the oil-water separation combination valve 1 through a pipeline and is sprayed into a cavity B with a groove-shaped surface through the air inlet A, and impurities such as oil, water and the like contained in the compressed air are condensed on the surface wall and accumulated at the lower part of the cavity B through an oil collector; meanwhile, after the compressed air is further filtered by the plastic filter element 8, the check valve 9 is opened, and the compressed air is divided into two paths after the check valve 9 is opened: one path enters the gas storage tank 2 through the gas outlet C, the other path enters the cavity D through the small hole, the cavity D is provided with the small hole communicated with the cavity E, when gas is stored, when the air pressure of the cavity 2 reaches the rated working pressure of 0.8Mp, the gas entering the cavity D overcomes the acting force of the upper reset spring 13 to push the control piston 12 to move upwards, the central ejector rod 14 floats, the upper part of the central ejector rod 14 is contacted with the gas outlet valve 16 to close the gas outlet valve 16, the gas inlet valve 15 is opened by the air pressure of the cavity D, the air flow enters the cavity E to push the gas outlet piston 10 downwards, the gas outlet valve 11 below is opened, and the compressed gas air in the cavity B and impurities such as oil and water condensed at the lower part of the cavity B filtered.
When the air pressure of the air storage tank 2 is reduced to a pressure value for stopping exhaust, when the air pressure of the cavity D is not enough to overcome the pressure of the return spring 13, the control piston 3 moves downwards, the central ejector rod 14 presses the air inlet valve 15 to push the air outlet valve 16 open, the air pressure of the cavity E is exhausted through the air outlet valve 16, then the air outlet valve 16 moves upwards and closes under the action of the return spring 13, so that air is continuously supplied to the air storage tank 2, when the oil-water separator combination valve 1 breaks down, the exhaust valve 11 cannot be opened, and when the air pressure of the system rises to 0.9MPa, the overload pressure regulating valve 7 is opened to release pressure, so that the oil-water separator combination valve 1 is.
After the air flow is discharged from the air storage tank 2, the air flow is connected with the three-way joint 3 through an air path, an air outlet of the three-way joint 3 is connected with an air inlet of the air compressor 6, a PR control diaphragm arranged on the air compressor 6 divides the air inlet of the air compressor into two parts, the diaphragm of the air compressor 6 is in a closed state in the air pumping process, when the pressure in the air storage tank 2 reaches the system working pressure, the air flow in the air storage tank 2 opens the PR control diaphragm, the air compressor unloads, the air pumping is stopped, the air compressor stops rotating, and the consumption of the power of an engine is reduced; after flowing through the Y-shaped three-way joint 4, the airflow is divided into two parts which are respectively connected with the quick-connection plug 5, and the quick-connection plug 5 can be connected with a pneumatic wrench or a dust blowing air gun through a pipeline.
Compared with the prior art, the utility model discloses following beneficial effect has: the problem that the milling machine is inconvenient to replace the upper cutter head of the milling drum and the air filter for long-term dust removal is solved; the gas circuit system can control whether to continuously operate according to the gas circuit pressure, so that the power of the engine can be saved; the gas circuit system has reliable and safe performance, the oil-water separation combined valve can ensure that the gas circuit is not easy to block, and the gas storage tank cannot rust.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a multi-functional gas circuit system of milling machine, includes oil water separator combination valve (1), gas holder (2), three way connection (3), Y type three way connection (4) and quick change coupler (5), characterized by the air inlet A of oil water separator combination valve (1) is connected with air compressor (6) of engine from the area through the pipeline, gas holder (2) are connected with the gas outlet C of oil water separator combination valve (1), the air inlet of three way connection (3) is connected with gas holder (2), and the one end of three way connection (3) gas outlet is connected with the air inlet of air compressor (6), and the other end of three way connection gas outlet 3 is connected with Y type three way connection (4), quick change coupler (5) are connected with the gas outlet of Y type three way connection (4).
2. The multifunctional air path system of the milling machine as claimed in claim 1, wherein a cavity B with a groove-shaped surface is connected to the rear portion of an air inlet A of the oil-water separator combination valve (1), a plastic filter element (8) is connected to the rear portion of the cavity B, a check valve (9) and an air outlet C are connected to the rear portion of the plastic filter element (8), a cavity D is connected to the rear portion of the check valve (9), a cavity E is connected to the rear portion of the cavity D through a small hole, an exhaust piston (10) is arranged on the lower portion of the cavity E, an exhaust valve (11) is arranged on the lower portion of the exhaust piston (10), a control piston (12) is arranged on the upper portion of the cavity E, a return spring (13) and a center mandril (14) are arranged on the control piston (12), an air inlet valve (15) and an air outlet valve (16).
3. The multifunctional air path system of the milling machine as claimed in claim 1, wherein a water drain valve (21) is further arranged on the air storage tank (2).
4. The multifunctional air path system of the milling machine as claimed in claim 1, wherein a humidity alarm (22) is further provided on the air storage tank (2).
5. The multifunctional air path system of the milling machine as claimed in claim 1, wherein a pressure alarm (23) is further arranged on the air storage tank (2).
6. The multifunctional air path system of the milling machine as claimed in claim 1, wherein a safety valve (24) is further arranged on the air storage tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998066.9U CN211174537U (en) | 2019-11-19 | 2019-11-19 | Multifunctional gas circuit system of milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998066.9U CN211174537U (en) | 2019-11-19 | 2019-11-19 | Multifunctional gas circuit system of milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174537U true CN211174537U (en) | 2020-08-04 |
Family
ID=71809449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921998066.9U Active CN211174537U (en) | 2019-11-19 | 2019-11-19 | Multifunctional gas circuit system of milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174537U (en) |
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2019
- 2019-11-19 CN CN201921998066.9U patent/CN211174537U/en active Active
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