CN213176262U

CN213176262U - Hydraulic drive temporary support telescopic rod

Info

Publication number: CN213176262U
Application number: CN202021916753.4U
Authority: CN
Inventors: 张占旭; 雒建奎; 骆维斌; 宋卫忠; 田过勤; 王延文; 何世荣
Original assignee: Gansu Road&bridge No4 Highway Engineering Co ltd; Gansu Road and Bridge Construction Group Co Ltd
Current assignee: Gansu Road&bridge No4 Highway Engineering Co ltd; Gansu Road and Bridge Construction Group Co Ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-11
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a hydraulic drive supports telescopic link temporarily, the hydro-cylinder comprises a cylinder, the inside swing joint of hydro-cylinder has the piston, the top fixedly connected with movable rod of piston, the top fixedly connected with backup pad of piston is kept away from at the top of movable rod, the right fixed surface of movable rod is connected with the rack, the top of hydro-cylinder is provided with the roof, the inside fixedly connected with sensor of roof, the last fixed surface of roof is connected with the motor, the fixed surface connection director of motor, the output fixedly connected with pivot of motor, the surface of pivot is provided with the gear, the keyway has all been seted up to the internal surface of gear and the surface of pivot, the inside swing joint of keyway has the installation key. The utility model discloses, the device simple structure is reasonable, can solve the not enough of prior art well, and the security that effectual improvement device used is favorable to extension fixture's life.

Description

Hydraulic drive temporary support telescopic rod

Technical Field

The utility model relates to a hydraulic pressure support equipment technical field especially relates to a hydraulic drive supports telescopic link temporarily.

Background

The hydraulic telescopic rod is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, and is widely applied, but the existing hydraulic support telescopic rod has some defects, such as danger can be generated when a hydraulic support rod descends and stalls, the safe production operation is not facilitated, and the stall descending generates strong impact force to damage the device and influence the service life of the device, so that the prior art is necessarily improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a hydraulic drive temporary support telescopic rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hydraulic drive supports telescopic link temporarily, includes the hydro-cylinder, the inside swing joint of hydro-cylinder has the piston, the top fixedly connected with movable rod of piston, the top fixedly connected with backup pad of piston is kept away from at the top of movable rod, fixed surface is connected with the rack again of movable rod, the top of hydro-cylinder is provided with the roof, the inside fixedly connected with sensor of roof, the last fixed surface of roof is connected with the motor, the fixed surface connection director of motor, the output fixedly connected with pivot of motor, the surface of pivot is provided with the gear, the keyway has all been seted up to the internal surface of gear and the surface of pivot, the inside swing joint of keyway has the mounting key, the gear passes through mounting key and pivot swing joint.

As a further description of the above technical solution:

a lower oil cavity is arranged in the oil cylinder and close to the bottom of the oil cylinder, an upper oil cavity is arranged in the oil cylinder and close to the top of the oil cylinder, and the upper oil cavity and the lower oil cavity are separated through a piston.

As a further description of the above technical solution:

the lower surface of the piston is fixedly connected with a damping spring, and the bottom of the damping spring, which is far away from the lower surface of the piston, is fixedly connected with the bottom of the lower oil cavity.

As a further description of the above technical solution:

the top fixedly connected with sealing washer of hydro-cylinder, the internal surface of sealing washer and the surperficial swing joint of movable rod, the material of sealing washer is made for the rubber material.

As a further description of the above technical solution:

the bottom of the oil cylinder is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting column, and the top of the supporting column is far away from the upper surface of the bottom plate and is fixedly connected with the lower surface of the top plate.

As a further description of the above technical solution:

the sensor is connected with the controller through telecommunication.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the hydraulic drive temporary support telescopic rod supplies oil intermittently through the lower oil cavity and the upper oil cavity, so that the piston is pushed to drive the support plate to move up and down through the movable rod, the motor does not work under normal conditions, the gear is driven to rotate only through the rack, when the piston stalls and descends, the sensor detects the abnormal motion of the movable rod and then transmits an instruction to the controller to control the motor to rotate, the motor rotates in the opposite direction to apply force in one direction to the rack to slow down the descending speed of the piston, so that the piston descends stably and slowly, and meanwhile, when the piston descends to the bottom, the impact force on an oil cylinder is reduced to the minimum through the further deceleration of the damping spring, the device has simple and reasonable structure, can well solve the defects in the prior art, and effectively improves the use safety of the device, is beneficial to prolonging the service life of the device.

2. Compared with the prior art, the hydraulic drive temporary support telescopic rod can well improve the sealing performance of the oil cylinder by arranging the sealing ring, effectively prevent the oil cylinder from leaking hydraulic oil, and is favorable for improving the stability and the safety of the operation of the hydraulic support telescopic rod.

Drawings

Fig. 1 is a front view of an internal structure of a hydraulic drive temporary support telescopic rod provided by the present invention;

fig. 2 is an elevation view of an external structure of a hydraulic temporary support telescoping rod according to the present invention;

fig. 3 is the utility model provides a motor work schematic diagram of hydraulic drive supports telescopic link temporarily.

Illustration of the drawings:

1. an oil cylinder; 2. a pillar; 3. a top plate; 4. a base plate; 5. a piston; 6. a damping spring; 7. a lower oil chamber; 8. an upper oil chamber; 9. a movable rod; 10. a rack; 11. a seal ring; 12. a sensor; 13. a rotating shaft; 14. a keyway; 15. installing a key; 16. a support plate; 17. a gear; 18. a motor; 19. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of hydraulic drive supports telescopic link temporarily: comprises an oil cylinder 1, a piston 5 is movably connected inside the oil cylinder 1, the piston 5 can be conveniently pushed, a movable rod 9 is fixedly connected on the top of the piston 5, the movable telescopic support function is achieved, a supporting plate 16 is fixedly connected on the top, far away from the piston 5, of the top of the movable rod 9, the positioning support function is achieved, a rack 10 is fixedly connected on the surface of the movable rod 9, the emergency brake and the stable descending function are achieved conveniently, a top plate 3 is arranged above the oil cylinder 1, the fixed support function is achieved, a sensor 12 is fixedly connected inside the top plate 3, the up-and-down motion state of the movable rod 9 is detected, a motor 18 is fixedly connected on the upper surface of the top plate 3, the emergency brake function is achieved conveniently, a controller 19 is fixedly connected on the surface of the motor 18, the forward-reverse rotation control function of the motor 18 is achieved, and a rotating shaft, play the effect of convenient rotation and location, the surface of pivot 13 is provided with gear 17, play convenient and rack 10 intermeshing's effect, keyway 14 has all been seted up to gear 17's internal surface and pivot 13's surface, play the effect of making things convenient for the location to connect, the inside swing joint of keyway 14 has mounting key 15, play location and swing joint's effect, gear 17 plays the effect of location connection through mounting key 15 and pivot 13 swing joint.

A lower oil cavity 7 is arranged in the oil cylinder 1 and close to the bottom, so that the hydraulic oil can push the piston 5 to move conveniently, an upper oil cavity 8 is arranged in the oil cylinder 1 and close to the top, so that the hydraulic oil can push the piston 5 to move conveniently, the upper oil cavity 8 and the lower oil cavity 7 are separated by the piston 5, so that the piston 5 can be blocked conveniently in a sealing manner, a damping spring 6 is fixedly connected to the lower surface of the piston 5, so that the vibration can be reduced, the lower surface of the damping spring 6, far away from the piston 5, is fixedly connected with the bottom of the lower oil cavity 7, so that the positioning connection can be facilitated, a sealing ring 11 is fixedly connected to the top of the oil cylinder 1, so that the sealing property of the oil cylinder 1 can be improved conveniently, the inner surface of the sealing ring 11 is movably connected with the surface of the movable rod 9, play the effect that improves sealing performance, 1 bottom fixedly connected with bottom plate 4 of hydro-cylinder plays the effect of fixed stay, the last fixed surface of bottom plate 4 is connected with pillar 2, play the effect of location support, the upper surface of bottom plate 4 and the lower fixed surface of roof 3 are kept away from at the top of pillar 2 are connected, play the effect of convenient location and fixed connection, through telecommunications connection between sensor 12 and the controller 19, play the effect that improves transmission efficiency.

The working principle is as follows: when the piston type oil cylinder is used, intermittent oil supply is carried out on the lower oil cavity 7 and the upper oil cavity 8, so that the piston 5 is pushed, the movable rod 9 drives the support plate 16 to move up and down, the motor 18 does not work under normal conditions, the gear 17 is driven to rotate only through the rack 10, when the piston 5 stalls and descends, the sensor 12 detects the abnormal motion of the movable rod 9 and then transmits a command to the controller 19 to control the motor 18 to rotate, the motor 18 rotates in the opposite direction to apply force in one direction to the rack 10 to slow down the descending speed of the piston 5, the piston 5 descends stably and slowly, and meanwhile, when the piston 5 descends to the bottom, the impact force on the oil cylinder 1 is reduced to the minimum through further deceleration of the damping spring 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments.

Claims

1. The utility model provides a hydraulic drive supports telescopic link temporarily, includes hydro-cylinder (1), its characterized in that: the inner movable connection of the oil cylinder (1) is provided with a piston (5), the top of the piston (5) is fixedly connected with a movable rod (9), the top of the movable rod (9) is far away from a supporting plate (16) fixedly connected with the top of the piston (5), the right surface of the movable rod (9) is fixedly connected with a rack (10), a top plate (3) is arranged above the oil cylinder (1), the inner part of the top plate (3) is fixedly connected with a sensor (12), the upper surface of the top plate (3) is fixedly connected with a motor (18), the surface of the motor (18) is fixedly connected with a controller (19), the output end of the motor (18) is fixedly connected with a rotating shaft (13), the surface of the rotating shaft (13) is provided with a gear (17), the inner surface of the gear (17) and the outer surface of the rotating shaft (13) are both provided with key slots (14), the inner movable connection of, the gear (17) is movably connected with the rotating shaft (13) through a mounting key (15).

2. The hydraulically driven temporary support telescoping pole of claim 1, wherein: a lower oil cavity (7) is arranged in the oil cylinder (1) and close to the bottom, an upper oil cavity (8) is arranged in the oil cylinder (1) and close to the top, and the upper oil cavity (8) and the lower oil cavity (7) are separated through a piston (5).

3. The hydraulically driven temporary support telescoping pole of claim 1, wherein: the lower surface of the piston (5) is fixedly connected with a damping spring (6), and the bottom of the damping spring (6) is far away from the lower surface of the piston (5) and is fixedly connected with the bottom of the lower oil cavity (7).

4. The hydraulically driven temporary support telescoping pole of claim 1, wherein: the top fixedly connected with sealing washer (11) of hydro-cylinder (1), the internal surface of sealing washer (11) and the surperficial swing joint of movable rod (9), the material of sealing washer (11) is made for the rubber material.

5. The hydraulically driven temporary support telescoping pole of claim 1, wherein: the bottom of the oil cylinder (1) is fixedly connected with a bottom plate (4), the upper surface of the bottom plate (4) is fixedly connected with a support column (2), and the top of the support column (2) is far away from the upper surface of the bottom plate (4) and is fixedly connected with the lower surface of the top plate (3).

6. The hydraulically driven temporary support telescoping pole of claim 1, wherein: the sensor (12) is connected with the controller (19) through telecommunication.