CN212563904U - Energy-saving pneumatic hydraulic device - Google Patents

Energy-saving pneumatic hydraulic device Download PDF

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Publication number
CN212563904U
CN212563904U CN202020999946.4U CN202020999946U CN212563904U CN 212563904 U CN212563904 U CN 212563904U CN 202020999946 U CN202020999946 U CN 202020999946U CN 212563904 U CN212563904 U CN 212563904U
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CN
China
Prior art keywords
cylinder
pressure
hydraulic
pneumatic
piston
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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
Application number
CN202020999946.4U
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Chinese (zh)
Inventor
戚南云
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Xinchang Jinyuan Hydraulic Equipment Co ltd
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Xinchang Jinyuan Hydraulic Equipment Co ltd
Priority date (The priority date 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 date listed.)
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Application filed by Xinchang Jinyuan Hydraulic Equipment Co ltd filed Critical Xinchang Jinyuan Hydraulic Equipment Co ltd
Priority to CN202020999946.4U priority Critical patent/CN212563904U/en
Application granted granted Critical
Publication of CN212563904U publication Critical patent/CN212563904U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a hydraulic means, it relates to an energy-conserving pneumatic hydraulic means. The utility model provides an energy-conserving pneumatic hydraulic means, including the oil tank, hydraulic pump and hydro-cylinder, the hydro-cylinder includes cylinder body and piston, be equipped with the bottom on the cylinder body, top cap and pressure boost lid, the pressure boost lid is arranged in between bottom and the top cap and is divided into pneumatic cylinder and pressure boost cylinder with the cylinder body, the cylinder body between bottom and the pressure boost lid constitutes the pressure boost cylinder, the cylinder body between top cap and the pressure boost lid constitutes the pneumatic cylinder, the piston includes first piston and second piston, first piston is arranged in the pressure boost cylinder in and can stretch into in the pneumatic cylinder, the second piston is arranged in the pneumatic cylinder, the oil tank is connected to the pneumatic cylinder and is passed through hydraulic pump drive, the pressure. The pneumatic pressure cylinder is used for carrying out pressure compensation on the hydraulic cylinder, so that the energy required by the hydraulic cylinder for maintaining pressure can be reduced, and no pressure loss exists. The pressure of the pressure cylinder and the hydraulic cylinder is stable, and the pressure compensation operation is convenient.

Description

Energy-saving pneumatic hydraulic device
Technical Field
The utility model relates to a hydraulic means, more specifically say, it relates to an energy-conserving pneumatic hydraulic means.
Background
The hydraulic device is a device which uses oil liquid as a medium and drives an oil cylinder to do work through a hydraulic pump. The hydraulic pressure has the characteristics of high output force and incompressible oil liquid, and can stably provide larger pressure, but the hydraulic device needs the continuous work of the hydraulic pump to maintain the pressure, has larger demand on energy, and needs an energy-saving hydraulic device.
SUMMERY OF THE UTILITY MODEL
To the deficiencies of the prior art, an object of the utility model is to provide a supplementary hydraulic means who maintains pressure through increasing pneumatic pressure cylinder.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an energy-conserving pneumatic hydraulic means, including the oil tank, hydraulic pump and hydro-cylinder, the hydro-cylinder includes cylinder body and piston, be equipped with the bottom on the cylinder body, top cap and pressure boost lid, the pressure boost lid is arranged in between bottom and the top cap and is divided into pneumatic cylinder and pressure boost cylinder with the cylinder body, the cylinder body between bottom and the pressure boost lid constitutes the pressure boost cylinder, the cylinder body between top cap and the pressure boost lid constitutes the pneumatic cylinder, the piston includes first piston and second piston, first piston is arranged in the pressure boost cylinder in and can stretch into in the pneumatic cylinder, the second piston is arranged in the pneumatic cylinder, the oil tank is connected to the pneumatic cylinder and is passed through hydraulic pump drive, the pressure.
By adopting the technical scheme, the oil in the oil tank enters the hydraulic cylinder through the driving of the hydraulic pump, and the oil pushes the second piston to work. The hydraulic pump needs to keep the output working constantly when the pressure in the hydraulic cylinder needs to be maintained for a long time. The pneumatic device is started and the first piston in the pressure cylinder is driven to act, so that the first piston extends into the hydraulic cylinder to extrude oil in the hydraulic cylinder to pressurize the hydraulic cylinder, meanwhile, the hydraulic pump can reduce the output, and the pressure of the pressure cylinder is used for supplementing the output reduced by the pressure booster pump. The capacity consumption of the hydraulic pump is reduced, and the purpose of energy conservation is achieved. When the pneumatic device is used in a short time, the pneumatic device does not need to be started.
The utility model discloses further set up to: one side of the hydraulic cylinder, which is close to the pressurizing cover, is provided with an oil inlet, one side of the hydraulic cylinder, which is close to the top cover, is provided with an oil outlet, and the oil outlet and the oil inlet are connected with an oil tank through an oil conveying pipe.
Through taking above-mentioned technical scheme, in the oil tank have through the hydraulic pump drive, get into the pneumatic cylinder from the oil inlet in to the oil-out flows the pneumatic cylinder and gets back to the oil tank, constitutes fluid return circuit, guarantees that the oil pressure in the pneumatic cylinder is stable.
The utility model discloses further set up to: the oil pipeline is provided with a one-way valve for limiting the flowing direction of the oil.
Through adopting above-mentioned technical scheme, can prevent that fluid refluence, influence the stability of pneumatic cylinder internal pressure.
The utility model discloses further set up to: one side of the pressurizing cylinder, which is close to the bottom cover, is provided with a first air inlet, and one side of the pressurizing cylinder, which is close to the pressurizing cover, is provided with a second air inlet.
By adopting the technical scheme, the pneumatic device is started, when the pressure in the hydraulic cylinder is maintained by pressurization, compressed air is input into the pressurization cylinder through the first air inlet hole, and the compressed air pushes the second piston to displace and insert into the hydraulic cylinder for pressurization. When the pressurization is required to be stopped, air is stopped to enter the first air inlet, air is changed into air to enter the second air inlet, the second piston is reset, and the pressurization is stopped.
The utility model discloses further set up to: the pneumatic device comprises an air pump and an air pipe, and the first air inlet and the second air inlet are connected with the air pump through the air pipe.
Through adopting above-mentioned technical scheme, the air pump is electronic air pump and the motor of air pump is inverter motor, control air pump power that can be accurate to control the atmospheric pressure of pressurized cylinder, be convenient for control pressurized cylinder carries out pressure compensation to the pneumatic cylinder. The air pump can also be provided with an air storage tank, so that the stability is further improved.
To sum up, the beneficial effects of the utility model are that:
1. the pneumatic pressure cylinder is used for carrying out pressure compensation on the hydraulic cylinder, so that the energy required by the hydraulic cylinder for maintaining pressure can be reduced, and no pressure loss exists.
2. The pressure of the pressure cylinder and the hydraulic cylinder is stable, and the pressure compensation operation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of an oil cylinder according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
wherein the reference numerals are: 1. an oil cylinder; 11. a bottom cover; 12. a top cover; 13. a pressurizing cover; 2. a booster cylinder; 21. a first air inlet; 22. a second air inlet; 23. a first piston; 3. a hydraulic cylinder; 31. an oil inlet; 32. an oil outlet; 33. a second piston; 4. a hydraulic pump; 5. an oil tank; 6. an air pump; 7. an oil delivery pipe; 8. a gas delivery pipe.
Detailed Description
Embodiments of the present invention are further described with reference to fig. 1 to 2.
The utility model provides an energy-conserving pneumatic hydraulic means, including oil tank 5, hydraulic pump 4 and hydro-cylinder 1, hydro-cylinder 1 includes cylinder body and piston, be equipped with bottom 11 on the cylinder body, top cap 12 and pressure boost lid 13, pressure boost lid 13 is arranged in and is divided into pneumatic cylinder 3 and pressure boost jar 2 with the cylinder body between bottom 11 and the pressure boost lid 13, cylinder body between top cap 12 and the pressure boost lid 13 constitutes pressure boost jar 2, the cylinder body between top cap 12 and the pressure boost lid 13 constitutes pneumatic cylinder 3, the piston includes first piston 23 and second piston 33, first piston 23 is arranged in pressure boost jar 2 and can stretch into in the pneumatic cylinder 3, second piston 33 is arranged in pneumatic cylinder 3, pneumatic cylinder 3 connects oil tank 5 and drives through hydraulic pump 4, pressure boost jar 2 is connected with pneumatic means and drives through pneumatic means. The oil in the tank 5 is driven into the hydraulic cylinder 3 by the hydraulic pump 4, and the oil pushes the second piston 33 to do work. The hydraulic pump 4 needs to keep the output from working constantly when the pressure in the hydraulic cylinder 3 needs to be maintained for a long time. The pneumatic device is started, the first piston 23 in the pressure cylinder 2 is driven to act, the first piston 23 extends into the hydraulic cylinder 3, oil in the hydraulic cylinder 3 is extruded, the hydraulic cylinder 3 is pressurized, meanwhile, the hydraulic pump 4 can reduce the output, and the pressure of the pressure cylinder 2 is used for supplementing the output reduced by the pressure pump. The capacity consumption of the hydraulic pump 4 is reduced, and the purpose of energy conservation is achieved. When the pneumatic device is used in a short time, the pneumatic device does not need to be started.
An oil inlet 31 is arranged on one side of the hydraulic cylinder 3 close to the pressurizing cover 13, an oil outlet 32 is arranged on one side close to the top cover 12, and the oil outlet 32 and the oil inlet 31 are connected with the oil tank 5 through an oil conveying pipe 7. The oil tank 5 is driven by the hydraulic pump 4 to enter the hydraulic cylinder 3 from the oil inlet 31, so that the oil outlet 32 flows out of the hydraulic cylinder 3 and returns to the oil tank 5 to form an oil liquid loop, and the stability of the oil pressure in the hydraulic cylinder 3 is ensured.
The oil delivery pipe 7 is provided with a one-way valve for limiting the flow direction of the oil. Can prevent fluid refluence, influence the stability of 3 internal pressures of pneumatic cylinder.
The booster cylinder 2 is provided with a first air inlet 21 at a side close to the bottom cover 11 and a second air inlet 22 at a side close to the booster cover 13. When the pneumatic device is started and the pressure in the hydraulic cylinder 3 needs to be maintained through pressurization, compressed air is input into the pressurization cylinder 2 through the first air inlet hole, and the compressed air pushes the second piston 33 to displace and insert into the hydraulic cylinder 3 for pressurization. When the pressure increase needs to be stopped, the air is stopped from entering the first intake port 21, and the air is instead introduced into the second intake port 22, so that the second piston 33 is returned to stop the pressure increase.
The pneumatic device comprises an air pump 6 and an air pipe 8, and the first air inlet 21 and the second air inlet 22 are connected with the air pump 6 through the air pipe 8. The air pump 6 is an electric air pump 6, and a motor of the air pump 6 is a variable frequency motor, so that the power of the air pump 6 can be accurately controlled, the air pressure of the pressure cylinder 2 is controlled, and the pressure cylinder 2 is conveniently controlled to perform pressure compensation on the hydraulic cylinder 3. The air pump 6 can also be provided with an air storage tank, so that the stability is further improved.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims (5)

1. An energy-saving pneumatic hydraulic device comprises an oil tank (5), a hydraulic pump (4) and an oil cylinder (1), and is characterized in that the oil cylinder (1) comprises a cylinder body and a piston, the cylinder body is provided with a bottom cover (11), a top cover (12) and a pressurizing cover (13), the pressurizing cover (13) is arranged between the bottom cover (11) and the top cover (12) and divides the cylinder body into a hydraulic cylinder (3) and a pressurizing cylinder (2), the cylinder body between the bottom cover (11) and the pressurizing cover (13) forms the pressurizing cylinder (2), the cylinder body between the top cover (12) and the pressurizing cover (13) forms the hydraulic cylinder (3), the piston comprises a first piston (23) and a second piston (33), the first piston (23) is arranged in the pressurizing cylinder (2) and can extend into the hydraulic cylinder (3), the second piston (33) is arranged in the hydraulic cylinder (3), the hydraulic cylinder (3) is connected with the oil tank (5) and is driven by the hydraulic pump (4), the pressure cylinder (2) is connected with a pneumatic device and driven by the pneumatic device.
2. The energy-saving pneumatic hydraulic device according to claim 1, wherein an oil inlet (31) is formed in one side, close to the pressurizing cover (13), of the hydraulic cylinder (3), an oil outlet (32) is formed in one side, close to the top cover (12), and the oil outlet (32) and the oil inlet (31) are connected with the oil tank (5) through an oil conveying pipe (7).
3. An energy-saving pneumatic hydraulic device according to claim 2, characterized in that the oil delivery pipe (7) is provided with a check valve for limiting the flow direction of the oil.
4. An energy-saving pneumatic hydraulic device as claimed in claim 1, characterized in that the pressure cylinder (2) is provided with a first air inlet (21) on the side close to the bottom cover (11) and a second air inlet (22) on the side close to the pressure cover (13).
5. The energy-saving pneumatic hydraulic device according to claim 4, wherein the pneumatic device comprises an air pump (6) and an air pipe (8), and the first air inlet (21) and the second air inlet (22) are connected with the air pump (6) through the air pipe (8).
CN202020999946.4U 2020-06-04 2020-06-04 Energy-saving pneumatic hydraulic device Expired - Fee Related CN212563904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020999946.4U CN212563904U (en) 2020-06-04 2020-06-04 Energy-saving pneumatic hydraulic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020999946.4U CN212563904U (en) 2020-06-04 2020-06-04 Energy-saving pneumatic hydraulic device

Publications (1)

Publication Number Publication Date
CN212563904U true CN212563904U (en) 2021-02-19

Family

ID=74636580

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020999946.4U Expired - Fee Related CN212563904U (en) 2020-06-04 2020-06-04 Energy-saving pneumatic hydraulic device

Country Status (1)

Country Link
CN (1) CN212563904U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210219