CN210686488U - Hydraulic cylinder combined with hydraulic and electric integration - Google Patents
Hydraulic cylinder combined with hydraulic and electric integration Download PDFInfo
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- CN210686488U CN210686488U CN201921155752.XU CN201921155752U CN210686488U CN 210686488 U CN210686488 U CN 210686488U CN 201921155752 U CN201921155752 U CN 201921155752U CN 210686488 U CN210686488 U CN 210686488U
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Abstract
The utility model relates to a pneumatic cylinder technical field, concretely relates to combine electronic integrative pneumatic cylinder of hydraulic pressure, set up in the hydraulic transmission part of electric transmission part including electric transmission part and transmission, the hydraulic transmission part includes hydraulic cylinder body, and the transmission is in the transmission shaft of hydraulic cylinder body, installs in transmission shaft and the internal piston bush of transmission in the pneumatic cylinder, electric drive portion is installed to hydraulic cylinder body, the transmission shaft extends to the electric transmission part outside, electric transmission part sets up the screw drive seat, the screw thread section is seted up to the corresponding screw drive seat position of transmission shaft. The utility model provides a current pneumatic cylinder function singleness, the not enough problem of transmission precision has adopted electronic and hydraulic pressure to combine to form integratively, and accessible hydraulic control advances fast during the use and retreats, realizes the high accuracy displacement at a slow speed and the locate function of hydro-cylinder through rotary drive after, and the transmission precision is high.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field especially relates to a combine electronic integrative pneumatic cylinder of hydraulic pressure.
Background
The hydraulic oil cylinder is an actuating element in a hydraulic transmission system, is an energy conversion device for converting hydraulic energy into mechanical energy, and can provide larger and more stable acting force on an object. The hydraulic motor realizes continuous rotary motion, the hydraulic cylinder realizes reciprocating motion, the hydraulic cylinder has three types of piston cylinders, plunger cylinders and swing cylinders, the piston cylinders and the plunger cylinders realize reciprocating linear motion and output speed and thrust, and the swing cylinders realize reciprocating swing and output angular speed (rotating speed) and torque. Hydraulic rams, in addition to being used individually, may be used in combination of two or more or with other mechanisms to accomplish a particular function. The hydraulic oil cylinder has simple structure and reliable work and is widely applied to a hydraulic system of a machine tool.
In the prior art, chinese patent application No. CN201811219766.3 discloses an integrated electro-hydraulic servo hydraulic oil cylinder, which solves the technical problems that: not only can reach the acting force of the oil cylinder, but also can achieve the function of controlling the stroke of the servo motor. But the shortcoming that it exists is that overall structure is complicated, and the precision is difficult to master in the transmission process, and screw rod structure appears becoming flexible easily especially in hydraulic pressure quick drive, circumstances such as unstability.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a solve current pneumatic cylinder function singleness, the problem that transmission precision is not enough has adopted electronic and hydraulic pressure to combine to form integratively, and accessible hydraulic control advances fast during the use and retreats, and the back realizes the high accuracy of hydro-cylinder displacement at a slow speed and locate function through rotary drive, the electronic integrative pneumatic cylinder of combination hydraulic pressure that transmission precision is high.
The utility model adopts the technical proposal that: the utility model provides a combine electronic integrative pneumatic cylinder of hydraulic pressure, includes that electric drive part and transmission set up in electric drive part's hydraulic drive part, hydraulic drive part includes hydraulic cylinder body, and the transmission is installed in transmission shaft and transmission in the internal piston bush of pneumatic cylinder in hydraulic cylinder body, electric drive portion is installed to hydraulic cylinder body, the transmission shaft extends to electric drive part outside, electric drive part sets up the screw drive seat, the screw thread section is seted up to the corresponding screw drive seat position of transmission shaft.
The further improvement of the scheme is that the electric transmission part comprises an outer cylinder barrel and a fixed end seat fixedly connected with one end of the outer cylinder barrel, and the spiral transmission seat is fixedly arranged on the fixed end seat.
The further improvement of the scheme is that the bottom of the outer cylinder barrel is fixedly connected with a mounting seat, and the hydraulic transmission part is transmitted to the inner diameter of the outer cylinder barrel.
The hydraulic cylinder body comprises a front end part, an inner cylinder barrel and a rear end part, wherein the front end part and the rear end part are respectively fixed at the head end and the tail end of the inner cylinder barrel; the electric driving part is fixedly arranged at the rear end part, and the piston sleeve is movable in the inner diameter of the inner cylinder barrel.
The further improvement of the scheme is that a rotary bearing is arranged at the connecting position of the transmission shaft and the piston sleeve, and the transmission shaft is rotatably connected with the piston sleeve through the rotary bearing.
The transmission shaft is provided with a direction positioning pin, and the transmission shaft is positioned and transmitted at the front end part through the direction positioning pin.
The utility model has the advantages that:
the hydraulic transmission device is provided with an electric transmission part and a hydraulic transmission part, particularly the hydraulic transmission part is arranged in the electric transmission part in a transmission way, and in the working process, the electric transmission part and the hydraulic transmission part are mutually combined, and the hydraulic transmission part is subjected to high-precision slow-speed transmission after being subjected to fast transmission through the electric transmission part, so that the transmission precision is high, and the control effect is good; the hydraulic transmission part comprises a cylinder body, a transmission shaft is arranged in the hydraulic cylinder body in a transmission manner, the transmission shaft is provided with a piston sleeve for transmission inside the hydraulic cylinder body, the transmission effect of the hydraulic cylinder is realized, the transmission effect is good, the transmission precision is high, one end of the hydraulic cylinder body, which is far away from the electric driving part, is provided with the electric driving part, and specifically, the electric driving part is connected with a motor or a driving structure for realizing rotary driving, so that the synchronous rotation of the hydraulic cylinder body and the transmission shaft is ensured to be driven, the driving use of the electric transmission is realized, the driving effect is good; the transmission shaft is original to the electric transmission part outside, has set up the screw drive seat simultaneously at the electric transmission part, and the transmission shaft corresponds the screw drive seat and has seted up the screw thread section, specifically is through the combination of screw thread section and screw drive seat when driving hydraulic cylinder body rotation through electric drive portion connection, realizes the secondary drive of electric transmission part, and transmission effect is good, improves the transmission precision.
The utility model discloses in, solved current pneumatic cylinder function singleness, the not enough problem of transmission precision has adopted electronic and hydraulic pressure to combine to form integratively, and accessible hydraulic control advances fast during the use and retreats, realizes the high accuracy displacement at a slow speed and the locate function of hydro-cylinder through rotary drive after, and the transmission precision is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Description of reference numerals: the hydraulic transmission device comprises an electric transmission part 100, a screw transmission seat 110, an outer cylinder barrel 120, a mounting seat 121, a fixed end seat 130, a hydraulic transmission part 200, a hydraulic cylinder body 210, a front end part 211, an inner cylinder barrel 212, a rear end part 213, a transmission shaft 220, a threaded section 221, a rotary bearing 222, a direction positioning pin 223, a piston sleeve 230 and an electric driving part 240.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 2, a hydraulic and electric integrated hydraulic cylinder includes an electric transmission part 100 and a hydraulic transmission part 200 disposed on the electric transmission part 100, wherein the hydraulic transmission part 200 includes a hydraulic cylinder body 210, a transmission shaft 220 disposed on the hydraulic cylinder body 210, and a piston sleeve 230 disposed on the transmission shaft 220 and transmitted in the hydraulic cylinder body 210, the hydraulic cylinder body 210 is provided with an electric driving part 240, the transmission shaft 220 extends to the outside of the electric transmission part 100, the electric transmission part 100 is provided with a screw transmission seat 110, and a screw thread section 221 is disposed on the transmission shaft 220 corresponding to the screw transmission seat 110.
The hydraulic cylinder block 210 includes a front end portion 211, an inner cylinder 212, and a rear end portion 213, and the front end portion 211 and the rear end portion 213 are fixed to the front and rear ends of the inner cylinder 212, respectively; the electric driving part 240 is fixedly installed at the rear end part 213, the piston sleeve 230 moves in the inner diameter of the inner cylinder barrel 212, and particularly, the front end part 211 and the rear end part 213 play a role in sealing the inner diameter of the inner cylinder barrel 212, so that the piston sleeve 230 can be stably driven in the inner cylinder barrel 212, the driving effect is good, and the driving precision is high.
The transmission shaft 220 is connected with the piston sleeve 230 through the rotary bearing 222, the transmission shaft 220 is rotatably connected with the piston sleeve 230 through the rotary bearing 222, specifically, the transmission shaft 220 can stably rotate during transmission through the thread section 221 through the rotary bearing 222, the piston sleeve 230 cannot be affected, therefore, the electric transmission effect is enhanced, and the reliability of the whole structure is high.
The direction locating pin 223 is installed to transmission shaft 220, and transmission shaft 220 passes through direction locating pin 223 location transmission in front end portion 211, sets up direction locating pin 223 and can fix a position the rotatory direction of transmission shaft 220, guarantees with front end portion 211 synchro-driven at the rotation driving in-process, and transmission effect is good, and stability is strong.
The electric transmission component 100 and the hydraulic transmission component 200 are arranged, specifically, the hydraulic transmission component 200 is arranged in the electric transmission component 100 in a transmission manner, in the working process, the electric transmission component 100 and the hydraulic transmission component 200 are mutually combined, and after the hydraulic transmission component 200 is in fast transmission, the electric transmission component 100 is used for carrying out high-precision slow transmission, so that the transmission precision is high, and the control effect is good; the hydraulic transmission part 200 comprises a cylinder body, a transmission shaft 220 is arranged in the hydraulic cylinder body 210 in a transmission manner, the transmission shaft 220 is provided with a piston sleeve 230 for transmitting the hydraulic cylinder body 210, the transmission effect of a hydraulic cylinder is realized, the transmission effect is good, the transmission precision is high, one end, away from the electric driving part 240, of the hydraulic cylinder body 210 is provided with the electric driving part 240, and the electric driving part 240 is connected with a motor or a driving structure to realize rotary driving, so that the hydraulic cylinder body 210 and the transmission shaft 220 are driven to synchronously rotate, the electric transmission driving use is realized, the driving effect is good, the connection driving is convenient, and the transmission precision is enhanced; transmission shaft 220 is original to electric drive part 100 outside, has set up screw drive seat 110 simultaneously at electric drive part 100, and transmission shaft 220 has seted up screw drive seat 110 and has seted up screw thread section 221, specifically through the combination of screw thread section 221 and screw drive seat 110 when electric drive portion 240 connection drive driving hydraulic cylinder 210 is rotatory, realizes electric drive part 100's secondary drive, and transmission effect is good, improves the transmission precision.
The utility model discloses in, solved current pneumatic cylinder function singleness, the not enough problem of transmission precision has adopted electronic and hydraulic pressure to combine to form integratively, and accessible hydraulic control advances fast during the use and retreats, realizes the high accuracy displacement at a slow speed and the locate function of hydro-cylinder through rotary drive after, and the transmission precision is high.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a combine electronic integrative pneumatic cylinder of hydraulic pressure which characterized in that: set up in the hydraulic transmission part of electric transmission part including electric transmission part and transmission, the hydraulic transmission part includes hydraulic cylinder body, and the transmission is installed in the transmission shaft of hydraulic cylinder body and is driven in the internal piston bush of pneumatic cylinder in the transmission shaft, electric drive portion is installed to hydraulic cylinder body, the transmission shaft extends to the electric transmission part outside, electric transmission part sets up the screw drive seat, the screw thread section is seted up to the transmission shaft corresponding screw drive seat position.
2. A hydraulic-electric integrated hydraulic cylinder as claimed in claim 1, wherein: the electric transmission part comprises an outer cylinder barrel and a fixed end seat fixedly connected with one end of the outer cylinder barrel, and the spiral transmission seat is fixedly arranged on the fixed end seat.
3. A hydraulic-electric integrated hydraulic cylinder as claimed in claim 2, wherein: the bottom of the outer cylinder barrel is fixedly connected with a mounting seat, and the hydraulic transmission part is transmitted to the inner diameter of the outer cylinder barrel.
4. A hydraulic-electric integrated hydraulic cylinder as claimed in claim 3, wherein: the hydraulic cylinder body comprises a front end part, an inner cylinder barrel and a rear end part, and the front end part and the rear end part are respectively fixed at the head end and the tail end of the inner cylinder barrel; the electric driving part is fixedly arranged at the rear end part, and the piston sleeve is movable in the inner diameter of the inner cylinder barrel.
5. The hydraulic-electric integrated hydraulic cylinder as claimed in claim 4, wherein: and the transmission shaft is rotatably connected with the piston sleeve through the rotating bearing.
6. The hydraulic-electric integrated hydraulic cylinder as claimed in claim 5, wherein: the transmission shaft is provided with a direction positioning pin, and the transmission shaft is positioned and transmitted at the front end part through the direction positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921155752.XU CN210686488U (en) | 2019-07-22 | 2019-07-22 | Hydraulic cylinder combined with hydraulic and electric integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921155752.XU CN210686488U (en) | 2019-07-22 | 2019-07-22 | Hydraulic cylinder combined with hydraulic and electric integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686488U true CN210686488U (en) | 2020-06-05 |
Family
ID=70890583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921155752.XU Active CN210686488U (en) | 2019-07-22 | 2019-07-22 | Hydraulic cylinder combined with hydraulic and electric integration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686488U (en) |
-
2019
- 2019-07-22 CN CN201921155752.XU patent/CN210686488U/en active Active
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