CN220204237U

CN220204237U - Digital hydraulic cylinder

Info

Publication number: CN220204237U
Application number: CN202321264006.0U
Authority: CN
Inventors: 张月平; 陈茂; 蒋纪
Original assignee: Luzhou Yongwei Hydraulic Part Co ltd
Current assignee: Luzhou Yongwei Hydraulic Part Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-12-19
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of hydraulic equipment, in particular to a digital hydraulic cylinder, which is also screwed by a digital control motor and is restrained by sliding so as to transversely move and fix, thereby improving the practicability; including digital control pneumatic cylinder, advance oil pipe, go out oil pipe and telescopic link, digital control pneumatic cylinder input is provided with into oil pipe, and the output is provided with out oil pipe, digital control pneumatic cylinder inboard and telescopic link sliding connection still include: the moving mechanism is used for moving the hydraulic cylinder under digital control and comprises a movable frame, a motor, a speed reducer, a threaded rod, a sliding rail, a sliding block, a threaded sleeve, a guide frame and a guide block, wherein the upper end of the right side of the movable frame is connected with the left end of the speed reducer, the output end of the motor is connected with the input end of the speed reducer, the outer side of the lower part of the digital control hydraulic cylinder is connected with the inner side of the guide block, the left and right sides of the bottom end of the movable frame are connected with the left and right ends of the guide frame, and the guide block is in sliding connection with the inner side of the guide frame.

Description

Digital hydraulic cylinder

Technical Field

The utility model relates to the technical field of hydraulic equipment, in particular to a digital hydraulic cylinder.

Background

The hydraulic equipment refers to the general name of hydraulic devices on ships for driving equipment such as hydraulic anchor machines, steering engines, cargo lifts, cabin cover plates, adjustable propellers and the like. The hydraulic control system consists of one oil pump for the power part, one hydraulic motor for the executing part, one control valve for the controlling part, one oil tank for the auxiliary part, one pipeline, etc. Through these devices, the pressure energy and mechanical energy of the liquid medium in the system are mutually converted, so as to achieve the purpose of transmitting motion, force and moment. The energy range transmitted by the hydraulic equipment is large, and stepless speed regulation can be realized in a wide range; smooth running, especially at low speed; the remote control can be realized, the operation is convenient, and the automation is easy to realize; the moving parts are well lubricated and have long service life. However, the requirements on the manufacturing precision and hydraulic oil of hydraulic equipment and elements are high; oil leakage and air leakage can influence the stability and accuracy of transmission; the transmission efficiency is not as high as mechanical transmission.

The existing novel digital hydraulic cylinder structure with the application number of CN201820927262.6 comprises a PLC controller, a stepping motor, a slide valve, a threaded rod and the like, wherein a piston rod is of a hollow structure, and a threaded hole is formed in the middle of the piston; the threaded rod and the slide valve are integrated and extend into the hollow piston rod, the threaded rod is connected with the piston through a threaded pair, the PLC controls the stepping motor, the stepping motor is connected with the slide valve through a key, the slide valve adopts a three-position four-way structure and is in clearance fit with the valve core barrel, the lower part of the valve core barrel is provided with an oil inlet, two oil outlets, and the two oil outlets at the upper part are respectively connected with the cylinder barrel; the structure is simplified, the processing is convenient, the cost is low, the control is easy, and the precision is high.

But the digital control adopted by the device is only suitable for pulse signal input of a stepping motor, and has the advantages of limited functions and poor practicability.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the digital hydraulic cylinder which is also in threaded movement through the digital control motor and is restrained by sliding so as to transversely move and fix, thereby improving the practicability.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a digital hydraulic cylinder, includes digital control pneumatic cylinder, advances oil pipe, goes out oil pipe and telescopic link, and digital control pneumatic cylinder input is provided with into oil pipe, and the output is provided with out oil pipe, digital control pneumatic cylinder inboard and telescopic link sliding connection still include:

the moving mechanism is used for moving a digitally controlled hydraulic cylinder and comprises a movable frame, a motor, a speed reducer, a threaded rod, a sliding rail, a sliding block, a threaded sleeve, a guide frame and a guide block, wherein the upper end of the right side of the movable frame is connected with the left end of the speed reducer;

and the fixing mechanism is used for fixing the lower side of the hydraulic cylinder.

Preferably, the telescopic frame further comprises a telescopic sleeve, a telescopic frame, a tightening screw sleeve, a tightening screw rod and a tightening screw, wherein the right lower side of the inside of the movable frame is connected with the right end of the telescopic sleeve, the inner side of the telescopic sleeve is in sliding connection with the outer side of the telescopic frame, the left end of the telescopic frame is connected with the right end of the guide block, the left side of the top end of the telescopic sleeve is communicated with the bottom end of the tightening screw sleeve, the inner wall of the tightening screw sleeve is in threaded connection with the outer wall of the tightening screw rod, and the top end of the tightening screw rod is connected with the middle of the bottom end of the tightening screw rod.

Preferably, the device further comprises an oil filling nozzle, wherein the middle part of the left side of the guide block is provided with the oil filling nozzle, and the output end of the oil filling nozzle is communicated with the contact part of the guide block and the guide frame.

Preferably, the oil injection nozzle further comprises an oil injection cap, and the oil injection cap is detachably arranged on the outer side of the oil injection nozzle.

Preferably, the movable frame further comprises a reinforcing beam, and the reinforcing beam is connected between the transverse structure and the vertical structure on the inner side of the movable frame.

Preferably, the movable frame also comprises a message board, and the upper end of the left side of the movable frame is connected with the inner end of the message board.

Advantageous effects

Compared with the prior art, the utility model provides a digital hydraulic cylinder, which has the following beneficial effects:

the oil is fed from the oil feeding pipe, the telescopic rod extends out through the operation of the digital control hydraulic cylinder, the oil is discharged from the oil outlet pipe, the telescopic rod retracts through the operation of the digital control hydraulic cylinder, when the telescopic rod moves integrally, the motor operates, the speed reducer decelerates to enable 98 to rotate under the restraint of the bearing, the threaded rod is assembled and combined with the threaded sleeve through the threads, the sliding block is enabled to be restrained in a sliding mode through the sliding rail, the sliding block moves in the inner side of the movable frame in a sliding mode, meanwhile, the guide block moves in a sliding mode through the restraint of the guide frame, the digital control hydraulic cylinder is driven to move transversely, the threaded rod and the threads of the threaded sleeve are fixed in the corresponding position through the self-locking mode, the digital control motor performs screwing movement, and the sliding is restrained to move transversely and fixed through the sliding mode, and practicability is improved.

Drawings

FIG. 1 is an axial view of a schematic structural diagram of the present utility model;

FIG. 2 is a front view of FIG. 1 of the present utility model;

FIG. 3 is a right side view of FIG. 1 in accordance with the present utility model;

fig. 4 is a bottom view of fig. 1 of the present utility model.

The reference numerals in the drawings: 1. digitally controlling a hydraulic cylinder; 2. an oil inlet pipe; 3. an oil outlet pipe; 4. a telescopic rod; 5. a movable frame; 6. a motor; 7. a speed reducer; 8. a threaded rod; 9. a slide rail; 10. a slide block; 11. a thread sleeve; 12. a guide frame; 13. a guide block; 14. a telescopic sleeve; 15. a telescopic frame; 16. tightly pushing the screw sleeve; 17. tightly pushing the screw rod; 18. pushing up the screwing hand; 19. an oil filling nozzle; 20. an oiling cap; 21. reinforcing the beam; 22. information cards; 23. and (3) a bearing.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-4, a digital hydraulic cylinder, which comprises a digital control hydraulic cylinder 1, an oil inlet pipe 2, an oil outlet pipe 3 and a telescopic rod 4, wherein the input end of the digital control hydraulic cylinder 1 is provided with the oil inlet pipe 2, the output end is provided with the oil outlet pipe 3, and the inner side of the digital control hydraulic cylinder 1 is in sliding connection with the telescopic rod 4, and the digital hydraulic cylinder further comprises:

the moving mechanism is used for moving a digitally controlled hydraulic cylinder and comprises a movable frame 5, a motor 6, a speed reducer 7, a threaded rod 8, a sliding rail 9, a sliding block 10, a threaded sleeve 11, a guide frame 12 and a guide block 13, wherein the upper right end of the movable frame 5 is connected with the left end of the speed reducer 7, the output end of the motor 6 is connected with the input end of the speed reducer 7, the output end of the speed reducer 7 is connected with the right end of the threaded rod 8, the left end of the threaded rod 8 is rotationally connected with the left side inside the movable frame 5 through a bearing 23, the inner side of the sliding block 10 is connected with the outer side of the threaded sleeve 11, the inner wall of the threaded sleeve 11 is in threaded connection with the outer wall of the threaded rod 8, the inner top end of the movable frame 5 is connected with the top end of the sliding rail 9, the outer side of the sliding rail 9 is in sliding connection with the sliding block 10, the bottom end of the sliding block 10 is connected with the top end of the digitally controlled hydraulic cylinder 1, the lower outer side of the digitally controlled hydraulic cylinder 1 is connected with the inner side of the guide block 13, the left and right side of the bottom end of the movable frame 5 is connected with the left and right side of the guide frame 12, and the guide block 13 is in sliding connection inside the guide rail 12.

The fixing mechanism is used for fixing the lower side of the hydraulic cylinder; the oil is fed by the oil feeding pipe 2, the digital control hydraulic cylinder 1 operates to enable the telescopic rod 4 to extend, the oil is discharged by the oil outlet pipe 3, the digital control hydraulic cylinder 1 operates to enable the telescopic rod 4 to retract, when the digital control hydraulic cylinder integrally moves, the motor 6 operates, the speed reducer 7 decelerates to enable 98 to rotate under the restraint of the bearing 23, the threaded rod 8 is in threaded fit with the threaded sleeve 11, the sliding block 10 is in sliding restraint by the sliding rail 9, the sliding block 13 is laterally moved on the inner side of the movable frame 5 while the guiding frame 12 is restrained to enable the digital control hydraulic cylinder 1 to laterally move, and the digital control hydraulic cylinder is self-locked and fixed by threads of the threaded rod 8 and the threaded sleeve 11 at corresponding positions.

The telescopic frame further comprises a telescopic sleeve 14, a telescopic frame 15, a tightening screw sleeve 16, a tightening screw rod 17 and a tightening screw 18, wherein the right lower side of the inside of the movable frame 5 is connected with the right end of the telescopic sleeve 14, the inner side of the telescopic sleeve 14 is in sliding connection with the outer side of the telescopic frame 15, the left end of the telescopic frame 15 is connected with the right end of the guide block 13, the left side of the top end of the telescopic sleeve 14 is communicated with the bottom end of the tightening screw sleeve 16, the inner wall of the tightening screw sleeve 16 is in threaded connection with the outer wall of the tightening screw rod 17, and the top end of the tightening screw rod 17 is connected with the middle of the bottom end of the tightening screw 18; when the guide block 13 transversely moves, the telescopic frame 15 slides in the telescopic sleeve 14, and when the corresponding position is stopped, the jacking screw rod 17 is rotated by screwing the jacking screw 18, and the jacking screw rod 17 is in threaded fit with the jacking screw sleeve 16 and acts on the telescopic frame 15 inwards to jack the telescopic frame, so that the guide block 13 is fixed relative to the movable frame 5, and the digital control hydraulic cylinder 1 is stopped and stabilized.

The device also comprises an oil filling nozzle 19, wherein the middle part of the left side of the guide block 13 is provided with the oil filling nozzle 19, and the output end of the oil filling nozzle 19 is communicated with the contact part of the guide block 13 and the guide frame 12; the contact part of the guide block 13 and the guide frame 12 can be filled with oil through the oil filling nozzle 19, so that lubrication is facilitated.

The oil filling nozzle 19 is characterized by further comprising an oil filling cap 20, wherein the oil filling cap 20 is detachably arranged on the outer side of the oil filling nozzle 19; after the oiling cap 20 is installed, the outside of the oiling nozzle 19 can be sealed and protected, dust entering is avoided, and reliability is improved.

The movable frame 5 is characterized by further comprising a reinforcing beam 21, wherein the reinforcing beam 21 is connected between the transverse and vertical structures at the inner side of the movable frame 5; the movable frame 5 can be reinforced by the reinforcing beam 21, so that easy bending deformation is avoided, and the reliability is improved.

The movable frame 5 is characterized by also comprising a message board 22, wherein the upper end of the left side of the movable frame 5 is connected with the inner end of the message board 22; the information of the whole device can be displayed through the information board 22, so that the reading auxiliary use is convenient, and the convenience is improved.

Example 2

Still include flexible cover 14, expansion bracket 15, jack-up swivel nut 16, jack-up screw 17 and jack-up screw 18, the inside right side of activity frame 5 is connected with flexible cover 14 right-hand member, and flexible cover 14 inboard is connected with expansion bracket 15 outside sliding connection, and flexible cover 15 left end is connected with guide block 13 right-hand member, and flexible cover 14 top left side is linked together with jack-up swivel nut 16 bottom, and jack-up swivel nut 16 inner wall is connected with jack-up screw 17 outer wall screw-up, and jack-up screw 17 top is connected with jack-up screw 18 bottom middle part.

The novel oil filling machine further comprises an oil filling nozzle 19, the middle part of the left side of the guide block 13 is provided with the oil filling nozzle 19, and the output end of the oil filling nozzle 19 is communicated with the contact part of the guide block 13 and the guide frame 12.

The oil filling cap 20 is detachably arranged on the outer side of the oil filling nozzle 19.

The movable frame is characterized by further comprising a reinforcing beam 21, wherein the reinforcing beam 21 is connected between the transverse and vertical structures at the inner side of the movable frame 5.

The movable frame 5 also comprises a message board 22, and the upper left end of the movable frame 5 is connected with the inner end of the message board 22.

In sum, a digital hydraulic cylinder is when using, advance oil by advance oil pipe 2, digital control hydraulic cylinder 1 moves and makes telescopic link 4 stretch out, go out oil by play oil pipe 3, digital control hydraulic cylinder 1 moves and makes telescopic link 4 withdraw, when whole removal, motor 6 moves, it makes 98 rotate under the restraint of bearing 23 to slow down through speed reducer 7, threaded rod 8 is through the spiral shell fit with thread bush 11, make slider 10 through slide rail 9 slip constraint, inboard sideslip at movable frame 5, simultaneously make guide block 13 sideslip through the restraint of guide frame 12, thereby drive digital control hydraulic cylinder 1 and carry out lateral shifting, guide block 13 sideslip is during, telescopic frame 15 follows and slides in telescopic sleeve 14, and by the screw self-locking of threaded rod 8 and thread bush 11 in corresponding position is fixed, when corresponding position stops, screw top tightening screw 18 makes top tightening screw 17 through with top tightening screw 16 spiral shell and closes, thereby make guide block 13 relatively movable frame 5 fixed, make digital control hydraulic cylinder 1 stop steadily, in addition, through guide block 19 contact with guide frame 12, the convenience of buckling beam 21, it is convenient to carry out the improvement of the flexibility, the easy to carry out the improvement of the flexibility of the reinforcing body, the convenience is realized in order to prevent the easy deformation of the movable frame, the easy to carry out the improvement of the flexible information, the easy to the reinforcing body is read to the reliability of the reinforcing body 21.

The digital control hydraulic cylinder 1 and the motor 6 are known devices directly purchased in the market for those skilled in the art, only the digital control hydraulic cylinder 1 and the motor 6 are used, the structure and the function of the digital control hydraulic cylinder are not improved, the digital control hydraulic cylinder 1 and the motor 6 are not described in detail, the digital control hydraulic cylinder and the motor 6 are provided with control switches matched with the digital control hydraulic cylinder, the mounting positions of the control switches are selected according to actual use requirements, and the operation control of operators is facilitated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a digital hydraulic cylinder, includes digital control pneumatic cylinder (1), advances oil pipe (2), goes out oil pipe (3) and telescopic link (4), and digital control pneumatic cylinder (1) input is provided with into oil pipe (2), and the output is provided with out oil pipe (3), digital control pneumatic cylinder (1) inboard and telescopic link (4) sliding connection, its characterized in that still includes:

the moving mechanism is used for moving a hydraulic cylinder controlled digitally and comprises a movable frame (5), a motor (6), a speed reducer (7), a threaded rod (8), a sliding rail (9), a sliding block (10), a threaded sleeve (11), a guide frame (12) and a guide block (13), wherein the upper end of the right side of the movable frame (5) is connected with the left end of the speed reducer (7), the output end of the motor (6) is connected with the input end of the speed reducer (7), the output end of the speed reducer (7) is connected with the right end of the threaded rod (8), the left end of the threaded rod (8) is rotationally connected with the left side inside the movable frame (5) through a bearing (23), the inner side of the sliding block (10) is connected with the outer side of the threaded sleeve (11), the inner side of the threaded sleeve (11) is in threaded connection with the outer wall of the threaded rod (8), the inner top end of the movable frame (5) is connected with the top end of the sliding rail (9), the outer side of the sliding rail (9) is in sliding connection with the sliding block (10), the bottom end of the sliding block (10) is connected with the top end of the digital control hydraulic cylinder (1), the inner side of the lower part of the digital control hydraulic cylinder (1) is connected with the guide block (13), the inner side of the guide block is connected with the left side of the guide frame (12), and the inner side of the left side is connected with the left side of the guide frame (12.

2. A digital hydraulic cylinder according to claim 1, characterized in that: still include flexible cover (14), expansion bracket (15), tight swivel nut (16) in top, tight screw rod (17) in top and tight screw (18) in top, the inside right side of movable frame (5) is connected with flexible cover (14) right-hand member, flexible cover (14) inboard and expansion bracket (15) outside sliding connection, flexible frame (15) left end is connected with guide block (13) right-hand member, flexible cover (14) top left side is linked together with tight screw sleeve (16) bottom in top, tight screw sleeve (16) inner wall and tight screw rod (17) outer wall spiral shell of top are connected, tight screw rod (17) top is connected with tight screw (18) bottom middle part in top.

3. A digital hydraulic cylinder according to claim 1, characterized in that: the novel oil filling machine further comprises an oil filling nozzle (19), the middle part of the left side of the guide block (13) is provided with the oil filling nozzle (19), and the output end of the oil filling nozzle (19) is communicated with the contact part of the guide block (13) and the guide frame (12).

4. A digital hydraulic cylinder according to claim 3, characterized in that: the novel oil filling device is characterized by further comprising an oil filling cap (20), wherein the oil filling cap (20) is detachably arranged on the outer side of the oil filling nozzle (19).

5. A digital hydraulic cylinder according to claim 1, characterized in that: the movable frame is characterized by further comprising a reinforcing beam (21), wherein the reinforcing beam (21) is connected between the transverse structure and the vertical structure on the inner side of the movable frame (5).

6. A digital hydraulic cylinder according to claim 1, characterized in that: the movable frame also comprises an information card (22), and the upper end of the left side of the movable frame (5) is connected with the inner end of the information card (22).