CN112610397B

CN112610397B - Remote control system of hydraulic motor

Info

Publication number: CN112610397B
Application number: CN202011220366.1A
Authority: CN
Inventors: 白福余; 李相远; 董新营
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2023-05-16
Anticipated expiration: 2040-11-05
Also published as: CN112610397A

Abstract

The present disclosure provides a remote control operating system, which belongs to the field of hydraulic motors. The remote control operation system comprises an operation table mechanism, a connecting rod mechanism and a controller; the operating table mechanism comprises an operating handle, wherein the operating handle and the handle of the hydraulic motor are both positioned in a first horizontal plane, and the operating handle and the handle of the hydraulic motor are mutually parallel; one end of the connecting rod mechanism is connected with the handle of the hydraulic motor, and the other end of the connecting rod mechanism is connected with the operating handle; the controller is used for controlling the operation handle to rotate in the first horizontal plane. The remote control operating system can conveniently control the handle of the hydraulic motor to perform forward and reverse operations and ensure the safety of operators.

Description

Remote control system of hydraulic motor

Technical Field

The disclosure relates to the technical field of hydraulic motors, and in particular relates to a remote control system of a hydraulic motor.

Background

A hydraulic motor is an actuator of a hydraulic system that converts hydraulic pressure energy provided by a hydraulic pump into mechanical energy (torque and rotational speed) of its output shaft. The handle is arranged on the hydraulic motor, and the forward direction and the reverse direction of the hydraulic motor can be realized by controlling the handle of the hydraulic motor to rotate.

After the hydraulic motor on the deck of the ship is installed and located according to the overall arrangement requirement of the deck of the ship, the space of the local operation position of the hydraulic motor is limited, and the hydraulic motor is inconvenient for operators to control the handle of the hydraulic motor locally to perform forward and reverse operations. And when the hydraulic motor operating position is just in the equipment rope or object running direction, the operator has safety risk of being easily hit by the moving rope or object when operating locally on the hydraulic motor.

Disclosure of Invention

The embodiment of the disclosure provides a remote control system for a hydraulic motor, which can conveniently control a handle of the hydraulic motor to perform forward and reverse operations and ensure the safety of operators. The technical scheme is as follows:

the embodiment of the disclosure provides a remote control operation system of a hydraulic motor, which is used for controlling forward or reverse operation of a handle of the hydraulic motor, and comprises an operation table mechanism, a connecting rod mechanism and a controller;

the operating table mechanism comprises an operating handle, wherein the operating handle and the handle of the hydraulic motor are both positioned in a first horizontal plane, and the operating handle and the handle of the hydraulic motor are mutually parallel;

one end of the connecting rod mechanism is connected with the handle of the hydraulic motor, and the other end of the connecting rod mechanism is connected with the operating handle;

the controller is used for controlling the operation handle to rotate in the first horizontal plane.

Optionally, the operation table mechanism further comprises a machine base, a driving unit, an operation bracket and a handle frame,

the operation support is fixedly arranged on the machine base, one end of the handle frame is hinged with the operation support, the other end of the handle frame is fixedly connected with the operation handle, and the driving unit is configured to drive the handle frame to drive the operation handle to rotate in the first horizontal plane.

Optionally, the drive unit includes motor, gear, rack and pull rod, the motor drive the gear rotates, the gear with the rack meshing, the one end of pull rod with the rack articulates, the other end of pull rod with the one end of handle frame articulates, the controller is used for controlling the rotation of motor.

Optionally, the stand comprises a body and two end covers positioned at two ends of the body, the body is a circular cylinder, and the end covers are detachably connected with the body;

the sliding rail is arranged in the body, two ends of the sliding rail are fixedly connected with the two end covers respectively, a sliding groove which is arranged along the axial direction of the body is formed in the sliding rail, the gear is arranged in the circular cylinder, the rack is slidably arranged in the sliding groove, one end of the rack penetrates through one end cover to extend out of the body, and one end of the pull rod is hinged to the extending end of the rack.

Optionally, a plurality of rib plates are arranged between at least one end cover and the outer side wall of the body.

Optionally, the operation support includes backup pad and connecting plate, the backup pad is along being on a parallel with the direction setting of first horizontal plane, the one end of handle frame with the backup pad articulates, the one end of backup pad with connecting plate fixed connection, the connecting plate with frame fixed connection.

Optionally, the link mechanism includes the connecting rod and is located two connecting pieces at connecting rod both ends, the connecting rod with articulated through the round pin axle between the connecting piece, two connecting pieces are first connecting piece and second connecting piece respectively, be equipped with on the first connecting piece and be used for supplying hydraulic motor's handle passes first through-hole, be equipped with on the second connecting piece and be used for supplying operating handle passes the second through-hole.

Optionally, the connecting rod comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the first connecting piece, the other end of the first connecting rod is provided with threads, one end of the second connecting rod is hinged with the second connecting piece, the other end of the second connecting rod is provided with threads, and the threads on the first connecting rod are opposite in screwing direction to the threads on the second connecting rod;

the connecting rod mechanism further comprises a turnbuckle, one end of the turnbuckle is in threaded connection with one end of the first connecting rod, and the other end of the turnbuckle is in threaded connection with the other end of the second connecting rod.

Optionally, a first locking nut is arranged at one end of the turnbuckle connected with the first connecting rod, and a second locking nut is arranged at one end of the turnbuckle connected with the second connecting rod.

Optionally, the turnbuckle is provided with a viewing hole.

The technical scheme provided by the embodiment of the disclosure has the beneficial effects that:

through setting up a hydraulic motor's remote control system, when specifically using, can adopt link mechanism to be connected hydraulic motor's handle and the operating handle of operation panel mechanism for hydraulic motor's handle and operating handle can synchronous motion. Then, the controller controls the operation handle to rotate in the horizontal direction, so that the handle of the hydraulic motor can be driven to rotate in the horizontal direction, and the handle of the hydraulic motor can be conveniently controlled to perform forward and reverse operations. At the same time, the console mechanism may be placed in a location with sufficient operating space and the controller may be placed in a relatively safe area, such as a location opposite the direction of travel of the equipment rope, or object. The operator can control the operation handle of the operation table mechanism to rotate through the controller in the safety area without needing to reach the local operation position of the hydraulic motor, so that the safety of the operator is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural view of a remote control operation mechanism of a hydraulic motor according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a connection of a portion of a remote control operating system provided by an embodiment of the present disclosure;

FIG. 3 is an enlarged schematic view of portion P of FIG. 2;

FIG. 4 is a front view of an operating bracket provided by an embodiment of the present disclosure;

FIG. 5 is a side view of an operating bracket provided by an embodiment of the present disclosure;

FIG. 6 is a top view of an operating bracket provided by an embodiment of the present disclosure;

FIG. 7 is a schematic structural view of a linkage mechanism provided by an embodiment of the present disclosure;

fig. 8 is a schematic structural view of a second link according to an embodiment of the present disclosure.

The symbols in the drawings are as follows:

100. remotely controlling an operating system;

200. a hydraulic motor;

m, a handle;

10. an operation table mechanism; 11. an operation handle; 12. a base; 121. a body; 1211. a slide rail; 122. an end cap; 123. rib plates; 13. a driving unit; 131. a motor; 132. a gear; 133. a rack; 134. a pull rod; 14. an operation support; 141. a support plate; 141a, pin holes; 142. a connecting plate; 142a, threaded holes; 142b, through holes; 15. a handle frame;

20. a link mechanism; 21. a connecting rod; 211. a first link; 212. a second link; 212a, second pin holes; 221. a first connector; 221a, first through holes; 222. a second connector; 222a, a second through hole; 23. rotating buckle; 23a, an observation hole; 241. a first lock nut; 242. a second lock nut;

30. a controller;

41. a first pin; 42. and a second pin.

Detailed Description

For the purposes of clarity, technical solutions and advantages of the present disclosure, the following further details the embodiments of the present disclosure with reference to the accompanying drawings.

The disclosed embodiments provide a remote control operation system 100, which remote control operation system 100 is used to control the forward or reverse operation of a handle M of a hydraulic motor 200.

Fig. 1 is a schematic structural view of a remote control operation mechanism of a hydraulic motor according to an embodiment of the present disclosure, and as shown in fig. 1, the remote control operation system 100 includes an operation table mechanism 10, a link mechanism 20, and a controller 30.

Fig. 2 is a schematic connection diagram of a part of a remote control operation system according to an embodiment of the disclosure, as shown in fig. 2, the console mechanism 10 includes an operation handle 11, the operation handle 11 and a handle M of the hydraulic motor 200 are all located in a first horizontal plane, and the operation handle 11 and the handle M of the hydraulic motor 200 are parallel to each other.

One end of the link mechanism 20 is connected to the handle M of the hydraulic motor 200, and the other end of the link mechanism 20 is connected to the operation handle 11.

The controller 30 is used for controlling the operation handle 11 to rotate in the first horizontal plane.

According to the embodiment of the disclosure, the remote control system of the hydraulic motor is arranged, and when the remote control system is specifically used, the handle of the hydraulic motor can be connected with the operating handle of the operating platform mechanism by adopting the connecting rod mechanism, so that the handle of the hydraulic motor and the operating handle can synchronously move. Then, the controller controls the operation handle to rotate in the horizontal direction, so that the handle of the hydraulic motor can be driven to rotate in the horizontal direction, and the handle of the hydraulic motor can be conveniently controlled to perform forward and reverse operations. At the same time, the console mechanism may be placed in a location with sufficient operating space and the controller may be placed in a relatively safe area, such as a location opposite the direction of travel of the equipment rope, or object. The operator can control the operation handle of the operation table mechanism to rotate through the controller in the safety area without needing to reach the local operation position of the hydraulic motor, so that the safety of the operator is ensured.

Optionally, in the embodiment of the present disclosure, the controller 30 may be an electric cabinet, and the electric cabinet may be disposed in the control room, so as to ensure convenience and comfort for operating equipment by operators.

Wherein, there is operating button on the electric cabinet, has the function of control operation handle 11 rotation in first horizontal plane.

When the controller 30 controls the operation handle 11 to rotate in the horizontal direction to drive the handle M of the hydraulic motor 200 to rotate, the rotation angle of the handle M of the hydraulic motor 200 is consistent with that of the operation handle 11, and the hydraulic motor 200 can be ensured to run in a synchronous response manner by a mechanical transmission manner.

Optionally, the console mechanism 10 further includes a base 12, a drive unit 13, an operating bracket 14, and a handle frame 15.

The operation support 14 is fixedly arranged on the machine base 12, one end of the handle frame 15 is hinged with the operation support 14, and the other end of the handle frame 15 is fixedly connected with the operation handle 11. The driving unit 13 is configured to drive the handle frame 15 to rotate the operating handle 11 in a first horizontal plane.

In particular use, the housing 12 may be fixedly positioned in a location having sufficient operating space to facilitate movement of the operating handle 11.

Illustratively, as shown in fig. 2, when the driving unit 13 drives the handle frame 15 to rotate the operating handle 11 in the horizontal direction and in the counterclockwise direction, the handle M of the hydraulic motor is driven to rotate to the B position in the counterclockwise direction, so that the forward operation is realized.

When the driving unit 13 drives the handle frame 15 to drive the operating handle 11 to rotate clockwise in the horizontal direction, the handle M of the hydraulic motor can be driven to rotate clockwise to the position A, so that the reverse operation is realized.

Fig. 3 is an enlarged schematic view of a portion P of fig. 2, and as shown in fig. 3, the driving unit 13 includes a motor 131, a gear 132, a rack 133, and a pull rod 134. The motor 131 drives the gear 132 to rotate, and the gear 132 is engaged with the rack 133. One end of the pull rod 134 is hinged with the rack 133, the other end of the pull rod 134 is hinged with one end of the handle frame 15, and the controller 30 is used for controlling the rotation of the motor 131.

The motor drives the gear 132 to rotate, so that the rack 133 can be driven to move, and the pull rod 134 can be driven to move. Since the pull rod 134 is hinged to one end of the handle frame 15, when the pull rod 134 moves, the handle frame 15 can be pulled, thereby driving the operating handle 11 to move.

Alternatively, the stand 12 includes a body 121 and two end caps 122 disposed at two ends of the body 121, the body 121 is a circular cylinder, and the end caps 122 are detachably connected to the body 121.

A sliding rail 1211 is arranged in the body 121, two ends of the sliding rail 1211 are fixedly connected with the two end covers 122 respectively, and a sliding groove arranged along the axial direction of the body 121 is arranged on the sliding rail 1211. The gear 132 is located in the body 121, the rack 133 is slidably disposed in the chute, and one end of the rack 133 protrudes out of the body 121 through one of the end caps 122. One end of the pull rod 134 is hinged to the protruding end of the rack 133.

In the embodiment of the present disclosure, the motor 131 may be fixedly disposed on the outer wall of the body 121, and an output shaft of the motor 131 may extend into the body 121 through a sidewall of the body 121. The gear 132 may be mounted on an output shaft of a motor 131 within the body 121 and engaged with a rack 133 within the body 121. At this time, the volume of the body 121 may be set smaller.

Alternatively, the motor 131 may be fixedly provided on the inner wall of the body 121, and the gear 132 may be mounted on an output shaft of the motor 131 within the body 121. At this time, the motor 131 and the gear 132 are both located in the body 121, and the body 121 needs to be provided larger.

Alternatively, as shown in fig. 2, the other end of the pull rod 134 is hinged to one end of the handle frame 15 through a first pin 41, and one end of the handle frame 15 is hinged to one end of the operation support 14 through a second pin 42.

When the motor 131 drives the gear 132 to rotate clockwise, the rack 133 is driven to move outwards of the body 121 along the axial direction of the body 121, so that the other end of the pull rod 134 is pushed to rotate clockwise around the second pin shaft 42, and the operating handle 11 can be driven to rotate clockwise. At this time, the handle M of the hydraulic motor 200 can be moved to the B position in the clockwise direction by the driving of the link mechanism 20, thereby realizing the forward operation.

When the motor 131 drives the gear 132 to rotate anticlockwise, the rack 133 is driven to move along the axial direction of the body 121 to the body 121, so as to push the other end of the pull rod 134 to rotate anticlockwise around the second pin shaft 42, and further drive the operating handle 11 to rotate anticlockwise. At this time, the handle M of the hydraulic motor 200 can be moved to the a position in the counterclockwise direction by the driving of the link mechanism 20, thereby realizing the reverse operation.

In the embodiment of the present disclosure, a washer may be further provided at the connection of the pull rod 134 and the first pin 41 to protect the pull rod 134.

Optionally, referring to fig. 2, a plurality of webs 123 are provided between at least one end cap 122 and the outer sidewall of body 121. The structural strength of the stand 12 can be enhanced by providing a plurality of rib plates 123, so that the stand 12 is more stable.

Illustratively, a plurality of rib plates 123 are equidistantly spaced along the circumferential direction of the body 121 to ensure uniform stress of the housing 12.

Illustratively, four rib plates 123 are disposed between at least one end cap 122 and the outer sidewall of the body 121, and the four rib plates 123 are disposed at equal intervals along the circumferential direction of the body 121.

Alternatively, a plurality of webs 123 may be welded between at least one end cap 122 and the outer sidewall of body 121.

In a specific installation, the end cap 122 may be first installed at one end of the body 121, and the end cap 122 at one end of the body 121 may be fixed at a position of the ship having a sufficient operation space. Then, the end cap 122 at the other end of the body 121 is detached, and the gear 132 is installed into the body 121. Then, slide rails 1211 are mounted on the two end caps 122 by bolts, respectively, and racks 133 are mounted into the slide grooves. Finally, the end cap 122 at the other end of the body 121 is fixedly connected with the other end of the body 121, and the installation of the console mechanism 10 can be completed.

Wherein, the end cover 122 and the body 121 can be detachably connected through bolts.

It should be noted that in the embodiment of the present disclosure, an operation hole for installing a bolt may be formed on the body 121, so that the slide rail 1211 is connected to the end cover by using the bolt from within the body 121.

In one implementation of the disclosed embodiment, the cross section of the chute is T-shaped and the cross section of the rack 133 is also T-shaped.

When it is desired to mount the rack 133 into the chute, the rack 133 can be slid into the chute from one end of the slide rail 1211.

When it is desired to separate the rack 133 from the slide 1211, the rack 133 can be slid out of the slide slot from either end of the slide 1211.

Alternatively, referring to FIG. 2, the tie rod 134 may be a circular arc tie rod. By arranging the pull rod 134 in a circular arc shape, the pull rod 134 can be rotated about the second pin shaft 42.

Alternatively, the operation bracket 14 includes a support plate 141 and a connection plate 142. The support plate 141 is disposed in a direction parallel to the first horizontal plane, one end of the handle frame 15 is hinged to the support plate 141, one end of the support plate 141 is fixedly connected to the connection plate 142, and the connection plate 142 is fixedly connected to the stand 12.

Fig. 4 is a front view of an operation bracket according to an embodiment of the present disclosure, and as shown in fig. 4, a pin hole 141a for passing through the second pin shaft 42 is provided in the support plate 141. The connection plate 142 is provided with two screw holes 142a for connection with the end cap 122 by screws.

Fig. 5 is a side view of an operation bracket provided in an embodiment of the present disclosure, and as shown in fig. 5, a support plate 141 is perpendicular to a connection plate 142.

For example, one end of the support plate 141 may be welded to the connection plate 142.

Fig. 6 is a top view of an operation support provided in an embodiment of the present disclosure, and as shown in fig. 6, a through hole 142b for passing through the rack 133 is further provided on the connection plate 142.

Fig. 7 is a schematic structural view of a link mechanism according to an embodiment of the present disclosure, and as shown in fig. 7, the link mechanism 20 includes a link 21 and two connectors at both ends of the link 21. The connecting rod 21 is hinged with the connecting pieces through a pin shaft, and the two connecting pieces are a first connecting piece 221 and a second connecting piece 222 respectively. The first connecting member 221 is provided with a first through hole 221a through which the handle M of the hydraulic motor 200 passes, and the second connecting member 222 is provided with a second through hole 222a through which the operating handle 11 passes.

By providing the first connecting piece 221 and the second connecting piece 222, when in specific use, the first connecting piece 221 can be sleeved on the handle M of the hydraulic motor 200, and the second connecting piece 222 can be sleeved on the operating handle 11, so that synchronous movement of the handle M of the hydraulic motor 200 and the operating handle 11 can be realized.

Alternatively, referring to fig. 7, the link 21 includes a first link 211 and a second link 212. One end of the first link 211 is hinged to the first link 221, and the other end of the first link 211 is provided with threads. One end of the second connecting rod 212 is hinged with the second connecting piece 222, the other end of the second connecting rod 212 is provided with threads, and the threads on the first connecting rod 211 are opposite in rotation direction to the threads on the second connecting rod 212.

The linkage 20 further includes a turnbuckle 23, one end of the turnbuckle 23 is in threaded connection with one end of the first link 211, and the other end of the turnbuckle 23 is in threaded connection with the other end of the second link 212.

By providing the turnbuckle 23, the first link 211 and the second link 212 can be prevented from being rotated relative to each other. Meanwhile, by adjusting the screwing depth of the first and

second links

211 and 212 to the turnbuckle 23, the length of the link 21 can be changed. When the mounting position of the console mechanism 10 is changed, the length of the link 21 can be adjusted according to the mounting position of the console mechanism 10.

Optionally, a first locking nut 241 is provided at an end of the turnbuckle 23 connected to the first link 211, and a second locking nut 242 is provided at an end of the turnbuckle 23 connected to the second link 212.

The first locking nut 241 further prevents the first link 211 from rotating relative to the turnbuckle 23, and the second locking nut 242 prevents the second link 212 from rotating relative to the turnbuckle 23.

Optionally, the turnbuckle 23 has a viewing hole 23a thereon for viewing the positions of the first link 211 and the second link 212 in the turnbuckle 23.

In the embodiment of the disclosure, the turnbuckle 23 is in a cylindrical structure, and the turnbuckle 23 is provided with a plurality of observation holes 23a distributed at intervals along the circumferential direction of the turnbuckle 23, so as to observe the screwing condition of the first link 211 and the second link 212 in the turnbuckle 23, and prevent the first link 211 and the second link 212 from being excessively unscrewed to accidentally disconnect the turnbuckle 23, thereby causing a safety accident.

Alternatively, the observation hole 23a may be a waist hole extending in the axial direction of the turnbuckle 23, or the observation hole 23a may be a bar hole extending in the axial direction of the turnbuckle 23.

Specifically, the plurality of observation holes 23a may be distributed at equal angular intervals around the circumference of the turnbuckle 23.

Illustratively, the turnbuckle 23 has four observation holes 23a circumferentially equiangularly spaced around the turnbuckle 23.

Fig. 8 is a schematic structural diagram of a second connecting rod according to an embodiment of the present disclosure, and as shown in fig. 8, taking the second connecting rod 212 as an example, a second pin hole 212a is formed on the second connecting rod 212, and the second connecting piece 222 is hinged to the second connecting rod 212 through a pin shaft.

Alternatively, the first link 211 is identical in structure to the second link 212, and the first link 221 and the second link 222 are identical in structure.

For example, referring to fig. 7, taking the second link 222 as an example, one end of the second link 222 connected with the second link 212 is provided with a groove for accommodating the second link 212, a pin hole is provided on a sidewall of the groove, and a pin shaft passes through the pin hole on the sidewall of the groove and the pin hole 212a on the second link 212 to hinge the second link 222 with the second link 212.

In the embodiment of the present disclosure, the tail portion of the pin is provided with threads, and the nut may be disposed at the tail portion of the pin to enable the hinge connection between the first connection member 221 and the first link 211, and between the second connection member 222 and the second link 212.

It is noted that unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," "third," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom" and the like are used only to indicate relative positional relationships, which may be changed accordingly when the absolute position of the object to be described is changed.

While the present disclosure has been described above by way of example, and not by way of limitation, any person skilled in the art will recognize that many modifications, adaptations, and variations of the present disclosure can be made to the present embodiments without departing from the scope of the present disclosure.

Claims

1. A remote control operating system of a hydraulic motor for controlling a forward or reverse operation of a handle (M) of the hydraulic motor (200) on a ship deck, characterized in that the remote control operating system (100) comprises an operating table mechanism (10), a linkage mechanism (20) and a controller (30);

the operating platform mechanism (10) comprises an operating handle (11), a machine base (12), a driving unit (13), an operating support (14) and a handle frame (15), wherein the operating handle (11) and a handle (M) of the hydraulic motor (200) are all positioned in a first horizontal plane, the operating handle (11) and the handle (M) of the hydraulic motor (200) are parallel to each other, the operating support (14) is fixedly arranged on the machine base (12), one end of the handle frame (15) is hinged with the operating support (14), the other end of the handle frame (15) is fixedly connected with the operating handle (11), the driving unit (13) comprises a motor (131), a gear (132), a rack (133) and a pull rod (134), the motor (131) drives the gear (132) to rotate, the gear (132) is meshed with the rack (133), the pull rod (134) is an arc pull rod, one end of the pull rod (134) is hinged with the rack (133), the other end of the handle (134) is hinged with the first end of the handle frame (15) through a pin shaft (42) and the first end of the handle (14) which is hinged with the first end (42), the operation support (14) comprises a support plate (141) and a connecting plate (142), the support plate (141) is vertically welded to the connecting plate (142), the support plate (141) is arranged along the direction parallel to the first horizontal plane, one end of the handle frame (15) is hinged to the support plate (141), one end of the support plate (141) is fixedly connected with the connecting plate (142), the connecting plate (142) is fixedly connected with the base (12), a pin hole (141 a) for the second pin shaft (42) to pass through is formed in the support plate (141), two threaded holes (142 a) are formed in the connecting plate (142) and are used for being connected with the end cover (122) through screws, a through hole (142 b) for the rack (133) to pass through is further formed in the connecting plate (142), and the support plate (141) is provided with a notch opposite to the through hole (142 b);

one end of the link mechanism (20) is connected with a handle (M) of the hydraulic motor (200), and the other end of the link mechanism (20) is connected with the operating handle (11);

the controller (30) is used for controlling the rotation of the motor (131) so as to drive the handle frame (15) to drive the operating handle (11) to rotate in the first horizontal plane.

2. The remote control operation system according to claim 1, wherein the stand (12) comprises a body (121) and two end caps (122) positioned at two ends of the body (121), the body (121) is a circular cylinder, and the end caps (122) are detachably connected with the body (121);

slide rails (1211) are arranged in the body (121), two ends of each slide rail (1211) are fixedly connected with the two end covers (122), sliding grooves which are axially arranged along the body (121) are formed in the slide rails (1211), the gear (132) is arranged in the body (121), the rack (133) is slidably arranged in the sliding grooves, one end of the rack (133) penetrates through one end cover (122) to extend out of the body (121), and one end of the pull rod (134) is hinged with the extending end of the rack (133).

3. The remote control operation system according to claim 2, wherein a plurality of rib plates (123) are provided between at least one of the end caps (122) and an outer side wall of the body (121).

4. The remote control operation system according to claim 1, wherein the link mechanism (20) comprises a link (21) and two connecting pieces located at two ends of the link (21), the link (21) is hinged to the connecting pieces through a pin, the two connecting pieces are a first connecting piece (221) and a second connecting piece (222), the first connecting piece (221) is provided with a first through hole (221 a) for a handle (M) of the hydraulic motor (200) to pass through, and the second connecting piece (222) is provided with a second through hole (222 a) for the operation handle (11) to pass through.

5. The remote control operation system according to claim 4, wherein the link (21) includes a first link (211) and a second link (212), one end of the first link (211) is hinged to the first connecting member (221), the other end of the first link (211) is provided with a screw thread, one end of the second link (212) is hinged to the second connecting member (222), the other end of the second link (212) is provided with a screw thread, and the screw thread on the first link (211) is opposite to the screw thread on the second link (212);

the connecting rod mechanism (20) further comprises a turnbuckle (23), one end of the turnbuckle (23) is in threaded connection with one end of the first connecting rod (211), and the other end of the turnbuckle (23) is in threaded connection with the other end of the second connecting rod (212).

6. The remote control operation system according to claim 5, wherein a first lock nut (241) is provided at an end of the turnbuckle (23) connected to the first link (211), and a second lock nut (242) is provided at an end of the turnbuckle (23) connected to the second link (212).

7. The remote control operation system according to claim 5, wherein the turnbuckle (23) has a viewing hole (23 a) thereon.