CN212250681U - Single-piston energy storage type hydraulic driving cylinder device - Google Patents
Single-piston energy storage type hydraulic driving cylinder device Download PDFInfo
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- CN212250681U CN212250681U CN202021057277.5U CN202021057277U CN212250681U CN 212250681 U CN212250681 U CN 212250681U CN 202021057277 U CN202021057277 U CN 202021057277U CN 212250681 U CN212250681 U CN 212250681U
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Abstract
The utility model discloses a single-piston energy storage type hydraulic drive cylinder device, which comprises a cylinder barrel, an oil cylinder chamber, an energy accumulator chamber, a power unit, a valve rod, a piston, an output shaft and a position sensor, wherein the energy accumulator chamber is positioned at the upper end of the cylinder barrel; the oil cylinder chamber is positioned at the lower end of the cylinder barrel, and one side of the oil cylinder chamber is provided with an oil port; the piston is movably arranged between the energy accumulator chamber and the oil cylinder chamber; the upper end of the output shaft is fixedly arranged at the lower end of the piston, the output shaft penetrates through the bottom of the oil cylinder chamber and extends to the outside, and the output shaft is of a hollow structure; the position sensor is installed in the middle of the top of the energy accumulator chamber in a threaded mode, and a long sensor rod is arranged at the lower end of the position sensor; the device is high in integration level, and compared with a spring type, the space occupied by the energy accumulator chamber is smaller, the cylinder diameter is small, and the device is exquisite; the service life of the energy accumulator chamber is long, and the maintenance is free; the utility model discloses simple structure, convenient operation is worth promoting.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to single piston energy storage formula hydraulic drive cylinder device.
Background
In the thirty ages of the 20 th century, hydraulic technology is rapidly developed, and in a short time, hydraulic equipment is rapidly driven together with electrical equipment and mechanical equipment in many fields by unique advantages of the hydraulic equipment, and even replaces the electrical equipment and the mechanical equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single piston energy storage formula hydraulic drive cylinder device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a single-piston energy storage type hydraulic drive cylinder device comprises a cylinder barrel, an oil cylinder chamber, an energy accumulator chamber, a power unit, a valve rod, a piston, an output shaft and a position sensor, wherein the energy accumulator chamber is positioned at the upper end of the cylinder barrel; the oil cylinder chamber is positioned at the lower end of the cylinder barrel, and one side of the oil cylinder chamber is provided with an oil port; the piston is movably arranged between the energy accumulator chamber and the oil cylinder chamber; the upper end of the output shaft is fixedly arranged at the lower end of the piston, the output shaft penetrates through the bottom of the oil cylinder chamber and extends to the outside, and the output shaft is of a hollow structure; the position sensor is installed at the middle position of the top of the energy accumulator chamber in a threaded mode, a long sensor rod is arranged at the lower end of the position sensor, the lower end of the long sensor rod penetrates through a piston and extends into an output shaft, and a sensor magnetic ring is installed at the upper end of the piston.
Preferably, the cylinder barrel forms an energy accumulator chamber and a cylinder chamber at the upper end and the lower end of the cylinder barrel respectively through a piston.
Preferably, the accumulator chamber is filled with nitrogen.
Preferably, hydraulic oil is provided in the cylinder chamber through a power unit, and the hydraulic oil provided by the power unit enters the interior of the cylinder chamber through an oil port.
Preferably, the end of the output shaft, which is far away from the piston, is connected with the valve rod.
Preferably, the top of the energy storage chamber is provided with an energy storage chamber air charging and discharging port.
Preferably, a sealing ring is mounted on the piston and clings to the inner wall of the cylinder barrel.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that:
1. the integration level is high, compared with a spring type, the space occupied by the energy accumulator chamber is smaller, the cylinder diameter is small, and the energy accumulator is exquisite;
2. the accumulator chamber has long service life and is free from maintenance.
Drawings
Fig. 1 is the utility model provides an overall structure schematic diagram of single piston energy storage formula hydraulic drive cylinder device.
In the drawings: the device comprises a cylinder barrel 1, a cylinder barrel 2, an oil cylinder chamber 3, an energy accumulator chamber 4, a piston 5, a position sensor 6, an air charging and discharging port of the energy accumulator chamber 7, an output shaft 8, an oil port 9, a valve rod 10, a power unit 11, a sensor magnetic ring 11 and a sensor long rod 12.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
Referring to the attached drawings, in the embodiment of the present invention, a single-piston energy storage type hydraulic drive cylinder device includes a cylinder barrel 1, a cylinder chamber 2, an energy storage chamber 3, a power unit 10, a valve rod 9, a piston 4, an output shaft 7 and a position sensor 5, wherein the energy storage chamber 3 is located at the upper end of the cylinder barrel 1; the oil cylinder chamber 2 is positioned at the lower end of the cylinder barrel 1, and one side of the oil cylinder chamber 2 is provided with an oil port 8; the piston 4 is movably arranged between the energy accumulator chamber 3 and the oil cylinder chamber 2; the upper end of the output shaft 7 is fixedly arranged at the lower end of the piston 4, the output shaft 7 penetrates through the bottom of the oil cylinder chamber 2 and extends to the outside, and the output shaft 7 is of a hollow structure; the position sensor 5 is installed at the middle position of the top of the energy accumulator chamber 3 through threads, a long sensor rod 12 is arranged at the lower end of the position sensor 5, the lower end of the long sensor rod 12 penetrates through the piston 4 and extends into the output shaft 7, and a sensor magnetic ring 11 is installed at the upper end of the piston 4.
Further, the cylinder tube 1 forms an energy accumulator chamber 3 and a cylinder chamber 2 at the upper end and the lower end of the cylinder tube 1 through a piston 4.
Further, the accumulator chamber 3 is filled with nitrogen gas.
Further, hydraulic oil is provided in the cylinder chamber 2 through the power unit 10, and the hydraulic oil provided by the power unit 10 enters the inside of the cylinder chamber 2 through the oil port 8.
Furthermore, the end of the output shaft 7 away from the piston 4 is connected to a valve rod 9.
Further, the top of the energy storage chamber 3 is provided with an energy storage chamber charging and discharging port 6.
Furthermore, a sealing ring is arranged on the piston 4 and clings to the inner wall of the cylinder barrel 1.
The use process comprises the following steps:
firstly, when an upward moving instruction is received, hydraulic oil is provided by the power unit 10, enters the oil cylinder 2 through the oil port 8, pushes the piston 4 to drive the output shaft 7 to move upward, the energy accumulator 3 compresses nitrogen to store energy, after the nitrogen reaches an upper limit set position, the position sensor 5 outputs a position signal, and the power unit 10 stops oil supply and self-locks; when a downward movement instruction is received, the power unit 10 is unlocked and switched to be an oil return channel, the energy accumulator 3 releases pressure, the piston 4 is pushed to drive the output shaft 7 to move downward until the lower limit set position is reached, hydraulic oil in the oil cylinder 2 returns to the power unit 10 through the oil port 8, and one switching cycle is realized;
in the process, the device is high in integration level, and compared with a spring type, the energy accumulator chamber 2 occupies a smaller space, is small in cylinder diameter and is exquisite; the energy accumulator chamber 2 has long service life and is maintenance-free; the application has the advantages of simple structure, strong practicability and simple operation and is worth popularizing.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. The utility model provides a single piston energy storage formula hydraulic drive jar device, includes cylinder (1), hydro-cylinder room (2), energy storage ware room (3), power pack (10), valve rod (9), piston (4), output shaft (7) and position sensor (5), its characterized in that: the energy accumulator chamber (3) is positioned at the upper end of the cylinder barrel (1); the oil cylinder chamber (2) is positioned at the lower end of the cylinder barrel (1), and one side of the oil cylinder chamber (2) is provided with an oil port (8); the piston (4) is movably arranged between the energy accumulator chamber (3) and the oil cylinder chamber (2); the upper end of the output shaft (7) is fixedly arranged at the lower end of the piston (4), the output shaft (7) penetrates through the bottom of the oil cylinder chamber (2) and extends to the outside, and the output shaft (7) is of a hollow structure; the position sensor is characterized in that the position sensor (5) is installed in the middle of the top of the energy accumulator chamber (3) in a threaded mode, a long sensor rod (12) is arranged at the lower end of the position sensor (5), the lower end of the long sensor rod (12) penetrates through the piston (4) and extends into the output shaft (7), and a sensor magnetic ring (11) is installed at the upper end of the piston (4).
2. A single piston accumulator hydraulic drive cylinder apparatus as claimed in claim 1, wherein: the cylinder barrel (1) is characterized in that the upper end and the lower end of the cylinder barrel (1) are respectively formed into an energy accumulator chamber (3) and an oil cylinder chamber (2) through a piston (4).
3. A single piston accumulator hydraulic drive cylinder apparatus as claimed in claim 1, wherein: and nitrogen is filled in the energy accumulator chamber (3).
4. A single piston accumulator hydraulic drive cylinder apparatus as claimed in claim 1, wherein: the hydraulic oil is provided for the oil cylinder chamber (2) through the power unit (10), and the hydraulic oil provided by the power unit (10) enters the oil cylinder chamber (2) through the oil port (8).
5. A single piston accumulator hydraulic drive cylinder apparatus as claimed in claim 1, wherein: and one end of the output shaft (7) far away from the piston (4) is connected with a valve rod (9).
6. A single piston accumulator hydraulic drive cylinder apparatus as claimed in claim 1, wherein: and the top of the energy accumulator chamber (3) is provided with an energy accumulator chamber gas charging and discharging port (6).
7. A single piston accumulator hydraulic drive cylinder apparatus as claimed in claim 1, wherein: and a sealing ring is arranged on the piston (4), and the sealing ring is tightly attached to the inner wall of the cylinder barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021057277.5U CN212250681U (en) | 2020-06-10 | 2020-06-10 | Single-piston energy storage type hydraulic driving cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021057277.5U CN212250681U (en) | 2020-06-10 | 2020-06-10 | Single-piston energy storage type hydraulic driving cylinder device |
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| Publication Number | Publication Date |
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| CN212250681U true CN212250681U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021057277.5U Active CN212250681U (en) | 2020-06-10 | 2020-06-10 | Single-piston energy storage type hydraulic driving cylinder device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688107A (en) * | 2020-12-29 | 2022-07-01 | 山东奥博控制技术有限公司 | Double-piston energy storage type hydraulic driving cylinder device |
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2020
- 2020-06-10 CN CN202021057277.5U patent/CN212250681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688107A (en) * | 2020-12-29 | 2022-07-01 | 山东奥博控制技术有限公司 | Double-piston energy storage type hydraulic driving cylinder device |
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