CN212318402U - Servo electrohydraulic booster cylinder - Google Patents
Servo electrohydraulic booster cylinder Download PDFInfo
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- CN212318402U CN212318402U CN202022317667.8U CN202022317667U CN212318402U CN 212318402 U CN212318402 U CN 212318402U CN 202022317667 U CN202022317667 U CN 202022317667U CN 212318402 U CN212318402 U CN 212318402U
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Abstract
The utility model discloses a servo electro-hydraulic pressure cylinder, which comprises an oil storage cylinder, a hydraulic cylinder, a first servo electric cylinder, a second servo electric cylinder and a pressure cavity, wherein the first servo electric cylinder can drive a piston rod of the hydraulic cylinder to make an extending action; the boosting cavity is internally provided with a boosting cavity, a first oil passage and a second oil passage, one end of the second oil passage is communicated with the boosting cavity, the other end of the second oil passage is connected with the high-pressure oil passage of the hydraulic cylinder, one end of the first oil passage is communicated with the boosting cavity, the other end of the first oil passage is connected with the oil storage passage of the oil storage cylinder, and the second servo electric cylinder can extend into the boosting cavity to be pressurized. The utility model discloses structural design is ingenious, and the servo electric jar and the pneumatic cylinder that rationally adopt two little tonnages cooperate, realize the large-tonnage and go out the power, and the operation is simple and easy moreover, and displacement and the thrust that can the accurate control front mast, overall structure is simple in addition, and is with low costs, easily realizes, is suitable for the occasion that needs big power and displacement and pressure accuracy have the requirement and replaces the servo electric jar reduce cost occasion of large-tonnage.
Description
Technical Field
The utility model relates to a pressurized cylinder technical field, concretely relates to servo electro-hydraulic pressurized cylinder.
Background
The electric cylinder is a modularized product which integrates the servo motor and the ball screw, converts the rotary motion of the servo motor into linear motion, and is widely applied to various technical fields at present. Although the linear driving can be realized, the output tonnage is small, and if the output tonnage is large, the cost is high, so that the popularization and the application are difficult.
SUMMERY OF THE UTILITY MODEL
It is not enough to the aforesaid, the utility model aims to provide a structural design is ingenious, reasonable, exerts oneself greatly, and servo electro-hydraulic pressure cylinder with low costs.
In order to achieve the above purpose, the utility model provides a technical scheme is:
a servo electro-hydraulic pressure cylinder comprises an oil storage cylinder, a hydraulic cylinder, a first servo electric cylinder, a second servo electric cylinder and a pressure cavity, wherein a driving shaft of the first servo electric cylinder extends into the hydraulic cylinder and can drive a piston rod of the hydraulic cylinder to make extension action; the hydraulic cylinder is characterized in that a pressurizing cavity, a first oil passage and a second oil passage are arranged in the pressurizing cavity, one end of the second oil passage is communicated with the pressurizing cavity, the other end of the second oil passage is connected with the high-pressure oil passage of the hydraulic cylinder, one end of the first oil passage is communicated with the pressurizing cavity, the other end of the first oil passage is connected with the oil storage passage of the oil storage cylinder, the second servo electric cylinder is arranged on the pressurizing cavity, and a driving shaft of the second servo electric cylinder can extend into the pressurizing cavity to pressurize.
As a preferred scheme of the utility model, the pneumatic cylinder includes front rod, high-pressure protecgulum, hydraulic cylinder, hydro-cylinder piston and high-pressure midbody, the central point of high-pressure midbody puts and is equipped with the high-pressure centre bore, and this high-pressure midbody seals the tail end of hydraulic cylinder, the high-pressure oil duct is located the high-pressure midbody, and one end of this high-pressure oil duct is located the lateral wall of high-pressure midbody, and the other end is linked together with the inner space of hydraulic cylinder; the high-pressure front cover is sealed at the front end of the hydraulic cylinder barrel, and the tail end of the front rod penetrates through the high-pressure front cover to extend into the hydraulic cylinder barrel and is fixed on the oil cylinder piston; and a driving shaft of the first servo electric cylinder penetrates through the high-pressure central hole to extend into the hydraulic cylinder barrel and is connected with the tail end of the front rod.
As an optimized scheme of the utility model, first servo electric jar is fixed on the high pressure midbody.
As an optimized scheme of the utility model, the pressure boost cavity includes pressure boost midbody and high pressure head, the central point of pressure boost midbody puts and is equipped with the axial through hole, and this pressure boost midbody is improved level and is equipped with the first oil duct of crossing and the second oil duct of crossing that is linked together with this axial through hole, this second oil duct of crossing with high-pressure oil duct is connected, first oil duct of crossing with the oil storage oil duct of oil storage cylinder is connected, the position that the high pressure head corresponds the axial through hole sets up on the pressure boost midbody, the pressure boost chamber is located on the high pressure head, and with the axial through hole docks mutually.
As an optimized scheme of the utility model, the servo electric jar of second is fixed on the pressure boost midbody.
As an optimized scheme of the utility model, it still includes the manometer, and this manometer setting is on the high-pressure head, and is connected with the pressure boost chamber.
As an optimized scheme of the utility model, lid and an oil storage jar section of thick bamboo behind oil storage jar includes oil storage protecgulum, oil storage, the front end at an oil storage jar section of thick bamboo is sealed to the oil storage protecgulum, the tail end at an oil storage jar section of thick bamboo is sealed to the oil storage back lid, the oil storage oil duct is located the oil storage protecgulum, and this oil storage oil duct one end with first oil duct of crossing is connected, and the other end is located the rear end face central point of oil storage protecgulum and puts.
As an optimized proposal of the utility model, the rear end face rear position of the oil storage front cover is provided with a front oil baffle.
As an optimized proposal of the utility model, the front end face front position of the oil storage rear cover is provided with a rear oil baffle.
As an optimal scheme of the utility model, the front end of preceding pole is twisted there is preceding nut, and the convenience is connected with other functional unit looks erection joint.
The utility model has the advantages that: the utility model discloses structural design is ingenious, and the servo electric jar and the pneumatic cylinder that rationally adopt two little tonnages cooperate, realize the large-tonnage and go out the power, and the operation is simple and easy moreover, and displacement and the thrust that can the accurate control front mast, overall structure is simple in addition, and is with low costs, easily realizes, is suitable for the occasion that needs big power and displacement and pressure accuracy have the requirement and replaces the servo electric jar reduce cost occasion of large-tonnage.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
Embodiment, referring to fig. 1 and fig. 2, the present embodiment provides a servo electro-hydraulic pressure cylinder, which includes a reserve cylinder 1, a hydraulic cylinder 2, a first servo electric cylinder 3, a second servo electric cylinder 4, and a pressure chamber 5. The reservoir cylinder 1 stores hydraulic oil therein. The hydraulic cylinder 2 is replenished with hydraulic oil during the pre-pressing action, and the returned hydraulic oil is stored during the returning action.
The driving shaft of the first servo electric cylinder 3 extends into the hydraulic cylinder 2 and can drive the piston rod of the hydraulic cylinder 2 to extend; specifically, the hydraulic cylinder 2 comprises a front rod 21, a high-pressure front cover 22, a hydraulic cylinder barrel 23, a cylinder piston 24 and a high-pressure intermediate 25, wherein a high-pressure central hole 251 is formed in the center of the high-pressure intermediate 25, the high-pressure intermediate 25 is sealed at the tail end of the hydraulic cylinder barrel 23, the high-pressure oil duct 252 is located on the high-pressure intermediate 25, one end of the high-pressure oil duct 252 is located on the outer side wall of the high-pressure intermediate 25, and the other end of the high-pressure oil duct is communicated with the inner space of; the high-pressure front cover 22 is closed at the front end of the hydraulic cylinder 23, and the tail end of the front rod 21 penetrates through the high-pressure front cover 22 to extend into the hydraulic cylinder 23 and is fixed on the oil cylinder piston 24; the first servo electric cylinder 3 is fixedly mounted on the high-voltage intermediate 25 through screws, and is easy to realize and compact in overall structure. The drive shaft of the first servo cylinder 3 extends through the high pressure center hole 251 into the hydraulic cylinder 23 and is connected to the rear end of the front rod 21. The front end of the front rod 21 is screwed with a front nut, so that the front rod is convenient to be installed and connected with other functional components.
A pressurizing cavity 521, a first oil passage 512 and a second oil passage 513 are arranged in the pressurizing cavity 5, one end of the second oil passage 513 is communicated with the pressurizing cavity 521, and the other end of the second oil passage is connected with a high-pressure oil passage 252 of the hydraulic cylinder 2.
Specifically, the pressurization cavity 5 includes a pressurization middle body 51 and a high pressure head 52, an axial through hole 511 is arranged at the central position of the pressurization middle body 51, a first oil gallery 512 and a second oil gallery 513 which are communicated with the axial through hole 511 are horizontally arranged on the pressurization middle body 51, the second oil gallery 513 is connected with the high pressure oil gallery 252, the first oil gallery 512 is connected with an oil storage gallery of the oil storage cylinder 1, the position of the high pressure head 52 corresponding to the axial through hole 511 is arranged on the pressurization middle body 51, and the pressurization cavity 521 is located on the high pressure head 52 and is in butt joint with the axial through hole 511. The second servo electric cylinder 4 is fixed on the pressurization intermediate body 51 through screws, and a driving shaft of the second servo electric cylinder 4 can extend into the pressurization cavity 521 for pressurization.
In order to know the working pressure in real time, a mounting hole for mounting the pressure gauge 6 is formed in the high pressure head 52, the mounting hole is connected with the pressurizing cavity 521, and the mounting head of the pressure gauge 6 is screwed into the mounting hole, so that the purpose of mounting the pressure gauge 6 is achieved.
One end of the first oil passage 512 is communicated with the pressurizing cavity 521, and the other end is connected with the oil storage passage 111 of the oil storage cylinder 1. Specifically, oil storage cylinder 1 includes oil storage protecgulum 11, oil storage hou gai 12 and oil storage cylinder section of thick bamboo 13, oil storage protecgulum 11 seals at the front end of oil storage cylinder section of thick bamboo 13, oil storage hou gai 12 seals at the tail end of oil storage cylinder section of thick bamboo 13, oil storage oil duct 111 is located oil storage protecgulum 11, and this oil storage oil duct 111 one end with first oil duct 512 of crossing is connected, and the other end is located the rear end face central point of oil storage protecgulum 11 and puts. Preferably, a front oil baffle 14 is disposed at a rear position of the rear end surface of the oil storage front cover 11, and a rear oil baffle 15 is disposed at a front position of the front end surface of the oil storage rear cover 12. The high-speed liquid can be guided and changed in direction through the front oil baffle 14 and the rear oil baffle 15, so that the high-speed liquid flows back to the oil storage cylinder barrel 13.
When the device works, three working modes are provided to correspondingly output the thrust with the required tonnage.
The first method is as follows: the driving shaft of the first servo electric cylinder 3 is fixedly connected with the front rod 21 of the hydraulic cylinder 2 through screw threads. When the first servo electric cylinder 3 is controlled to do stretching action, the front rod 21 is achieved to do stretching action, and first-tonnage thrust output is achieved.
The second method comprises the following steps: the drive shaft of the second servo cylinder 4 can extend into the pressurizing chamber 521 to be pressurized. When the second servo electric cylinder 4 is controlled to extend, the driving shaft of the second servo electric cylinder 4 extends into the pressurizing cavity 521, high oil pressure is generated by extruding hydraulic oil, the pressurizing cavity 521 is communicated with the hydraulic cylinder barrel 23, the generated oil pressure acts on the oil cylinder piston 24 to enable the oil cylinder piston 24 to move downwards so as to drive the front rod 21 to extend, and second-tonnage thrust output is achieved.
The third method comprises the following steps: when the first servo electric cylinder 3 is controlled to extend, the cylinder piston 24 and the front rod 21 are controlled to move downwards, hydraulic oil is sucked from the inside of the oil storage cylinder 1 by the downward movement of the cylinder piston 24, and the prepressing function is realized by the downward movement of the front rod 21; then, the driving shaft of the second servo electric cylinder 4 is controlled to extend into the pressurizing cavity 521 to extrude hydraulic oil to generate high oil pressure to continuously act on the oil cylinder piston 24, so that the oil cylinder piston 24 further moves downwards to drive the front rod 21 to move downwards, and the large-tonnage third-tonnage thrust output is realized.
The utility model discloses servo electro-hydraulic pressure cylinder has three kinds of working methods and the thrust of three kinds of different tonnages sizes of corresponding output to satisfy different user demands, the flexibility is high, and application scope is wide.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, these terms are for convenience of description only and do not limit the present invention, and other cylinders that are the same or similar to the present invention are also within the scope of the present invention.
Claims (10)
1. A servo electro-hydraulic pressure cylinder comprises an oil storage cylinder and a hydraulic cylinder, and is characterized by further comprising a first servo electric cylinder, a second servo electric cylinder and a pressure cavity, wherein a driving shaft of the first servo electric cylinder extends into the hydraulic cylinder and can drive a piston rod of the hydraulic cylinder to make extension action; the hydraulic cylinder is characterized in that a pressurizing cavity, a first oil passage and a second oil passage are arranged in the pressurizing cavity, one end of the second oil passage is communicated with the pressurizing cavity, the other end of the second oil passage is connected with the high-pressure oil passage of the hydraulic cylinder, one end of the first oil passage is communicated with the pressurizing cavity, the other end of the first oil passage is connected with the oil storage passage of the oil storage cylinder, the second servo electric cylinder is arranged on the pressurizing cavity, and a driving shaft of the second servo electric cylinder can extend into the pressurizing cavity to pressurize.
2. A servo electro-hydraulic pressure cylinder as defined in claim 1, wherein: the hydraulic cylinder comprises a front rod, a high-pressure front cover, a hydraulic cylinder barrel, an oil cylinder piston and a high-pressure intermediate body, wherein a high-pressure central hole is formed in the center of the high-pressure intermediate body, the high-pressure intermediate body is sealed at the tail end of the hydraulic cylinder barrel, the high-pressure oil duct is positioned on the high-pressure intermediate body, one end of the high-pressure oil duct is positioned on the outer side wall of the high-pressure intermediate body, and the other end of the high-pressure oil; the high-pressure front cover is sealed at the front end of the hydraulic cylinder barrel, and the tail end of the front rod penetrates through the high-pressure front cover to extend into the hydraulic cylinder barrel and is fixed on the oil cylinder piston; and a driving shaft of the first servo electric cylinder penetrates through the high-pressure central hole to extend into the hydraulic cylinder barrel and is connected with the tail end of the front rod.
3. A servo electro-hydraulic pressure cylinder as defined in claim 2, wherein: the first servo electric cylinder is fixed on the high-voltage intermediate body.
4. A servo electro-hydraulic pressure cylinder as defined in claim 2, wherein: the supercharging cavity comprises a supercharging intermediate body and a high-pressure head, an axial through hole is formed in the center of the supercharging intermediate body, a first oil passage and a second oil passage which are communicated with the axial through hole are horizontally formed in the supercharging intermediate body, the second oil passage is connected with the high-pressure oil passage, the first oil passage is connected with an oil storage oil passage of the oil storage cylinder, the position, corresponding to the axial through hole, of the high-pressure head is arranged on the supercharging intermediate body, and the supercharging cavity is located on the high-pressure head and is in butt joint with the axial through hole.
5. The servo electro-hydraulic pressure cylinder of claim 4, wherein: the second servo electric cylinder is fixed on the pressurization intermediate body.
6. The servo electro-hydraulic pressure cylinder of claim 4, wherein: the pressure gauge is arranged on the high-pressure head and is connected with the pressurizing cavity.
7. The servo electro-hydraulic pressure cylinder of claim 4, wherein: the oil storage cylinder comprises an oil storage front cover, an oil storage rear cover and an oil storage cylinder barrel, the oil storage front cover is sealed at the front end of the oil storage cylinder barrel, the oil storage rear cover is sealed at the tail end of the oil storage cylinder barrel, the oil storage oil channel is located on the oil storage front cover, one end of the oil storage oil channel is connected with the first oil passing channel, and the other end of the oil storage oil channel is located at the center of the rear end face of the oil storage front cover.
8. A servo electro-hydraulic pressure cylinder as defined in claim 7, wherein: and a front oil baffle plate is arranged at the rear position of the rear end surface of the oil storage front cover.
9. A servo electro-hydraulic pressure cylinder as defined in claim 7, wherein: and a rear oil baffle plate is arranged in front of the front end surface of the oil storage rear cover.
10. A servo electro-hydraulic pressure cylinder as defined in claim 2, wherein: the front end of the front rod is screwed with a front nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317667.8U CN212318402U (en) | 2020-10-19 | 2020-10-19 | Servo electrohydraulic booster cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317667.8U CN212318402U (en) | 2020-10-19 | 2020-10-19 | Servo electrohydraulic booster cylinder |
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| CN212318402U true CN212318402U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022317667.8U Active CN212318402U (en) | 2020-10-19 | 2020-10-19 | Servo electrohydraulic booster cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762030A (en) * | 2021-01-21 | 2021-05-07 | 杭州亚太智能装备有限公司 | Servo electric gas-liquid pressure cylinder device |
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2020
- 2020-10-19 CN CN202022317667.8U patent/CN212318402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762030A (en) * | 2021-01-21 | 2021-05-07 | 杭州亚太智能装备有限公司 | Servo electric gas-liquid pressure cylinder device |
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