CN217401717U

CN217401717U - Device for eliminating blocking of closing valve of hydraulic control butterfly valve

Info

Publication number: CN217401717U
Application number: CN202221358114.XU
Authority: CN
Inventors: 李恒; 刘辉
Original assignee: Hebei Xibaipo Second Power Generation Co ltd
Current assignee: Hebei Xibaipo Second Power Generation Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-09
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a device for eliminating the jamming of a hydraulic control butterfly valve closing valve, which belongs to the technical field of hydraulic control butterfly valves and comprises a hanging ring, a roller, a steel wire rope and a balancing weight, wherein the hanging ring is used for detachably connecting a heavy hammer, the roller is positioned below the heavy hammer in an inclined way and can rotate, the upper end of the steel wire rope is connected with the hanging ring, the middle part of the steel wire rope is wound on the roller, the balancing weight is connected with the lower end of the steel wire rope and has vertical downward gravity, the height above ground of the balancing weight is 180 plus 220mm, when the hydraulic control butterfly valve is closed, the heavy hammer overcomes the friction force of a valve shaft by the gravity action of the balancing weight, so as to eliminate the jamming of the hydraulic control butterfly valve when closing the valve, and solve the problem that when the hydraulic control butterfly valve of the circulating water pump opens and gives a valve closing instruction, the technical problem of jamming and refusing is solved, and the hydraulic control butterfly valve has the technical effects that the friction force of the valve shaft is overcome by the weight of the heavy hammer in the valve closing process, the valve is smoothly and flexibly closed, and jamming and refusing are avoided.

Description

Hydraulic control butterfly valve closing jam eliminating device

Technical Field

The utility model belongs to the technical field of the liquid accuse butterfly valve, more specifically say, relate to a liquid accuse butterfly valve closing valve bite remove device.

Background

When the power plant circulating water pump hydraulic control butterfly valve opens the position and sends the instruction of closing the valve, the phenomenon of jam refusing frequently takes place, and the valve can't be closed, in case the circulating water pump trouble falls the pump, and the circulating water flows backwards to the water pump direction from the main pipe, has the operation risk that the machine falls down suddenly in vacuum. The hydraulic control butterfly valve is in the form of an automatic pressure maintaining type hydraulic control non-return butterfly valve and comprises an electrical part, a hydraulic part and a mechanical part, wherein the rotation angle of a disc plate is 90 degrees, a special-shaped rubber ring on the disc plate is contacted with a stainless steel valve seat on a valve body to form sealing, the disc plate adopts a double-eccentric structure, a hydraulic transmission control valve is adopted to open the valve, a lifting heavy hammer is used for providing valve closing power, and a driving mechanism consists of a hydraulic control box, a connector fixed on a valve shaft, a heavy hammer, inner and outer wallboards and an oil cylinder clamped between the two wallboards and used for driving the valve shaft to rotate. The oil cylinder works in the opening process of the butterfly valve, and the hydraulic brake is used in the closing process of the butterfly valve to control the quick closing time and the slow closing time and angle. The driving mechanism consists of an electric control box and a hydraulic control box, the oil cylinder and the hydraulic control box are in flexible connection through a high-pressure rubber pipe, and an automatic pressure maintaining energy accumulator device is installed in a hydraulic system.

When the valve is opened, the oil pump motor is started to drive the oil pump to operate, hydraulic oil enters the oil cylinder through the filter screen, the oil pump, the one-way valve and the high-pressure rubber pipe to push the oil cylinder piston to move, redundant hydraulic oil is returned to the oil tank through the overflow through the speed regulating valve, the oil cylinder piston drives the connector connected with the oil cylinder piston to lift the heavy hammer and simultaneously drives the valve shaft to open the disc plate, then the energy accumulator fills oil to a rated value, and the energy accumulator is collided to form a switch to stop the oil pump motor.

When the valve is closed, the electromagnetic valve is powered off (when the electromagnetic valve is powered on in the reverse action), the electromagnetic valve is opened, under the action of the heavy hammer, pressure oil in the oil cylinder flows into the oil tank through the fast-closing angle adjusting valve, the slow-closing angle adjusting valve, the high-pressure rubber pipe, the normally open manual valve and the electromagnetic valve, and the heavy hammer potential energy is used for driving the disc plate to be closed to close the valve. The valve closing program comprises quick closing time, slow closing time and quick and slow angles, and is set by a quick closing regulating valve, a slow closing regulating valve and quick and slow closing angle regulating valves on the oil cylinder.

When the design is in normal operation, the valve is flexibly opened and closed, but under some abnormal working conditions, such as the phenomena of increased tightening force between the valve shaft and the packing, deformation of the valve shaft and the like, the friction force of the valve shaft is increased, the weight of a heavy hammer cannot overcome the friction force of the valve shaft in the valve closing process, movement is rejected, and the valve is clamped in an open position.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a unsmooth remove device of liquid accuse butterfly valve shutoff valve aims at solving circulating water pump liquid accuse butterfly valve and when opening the position and send the shutoff valve instruction, takes place the technical problem of the phenomenon of refusing to move of jamming.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a hydraulic control butterfly valve closing jam remove device, includes:

the lifting ring is used for detachably connecting the heavy hammer;

the roller is positioned obliquely below the heavy hammer and can rotate;

the upper end of the steel wire rope is connected with the hanging ring, and the middle part of the steel wire rope is wound on the roller;

the counterweight block is connected to the lower end of the steel wire rope and has vertical downward gravity, and the ground clearance of the counterweight block is 180-220 mm;

when the valve is closed by the hydraulic control butterfly valve, the heavy hammer overcomes the friction force of the valve shaft by means of the gravity action of the balancing weight so as to eliminate the jamming when the valve is closed by the hydraulic control butterfly valve.

In a possible implementation manner, the device for eliminating the blocking of the closing valve of the hydraulic control butterfly valve further comprises a movable vehicle with an adjustable position, a brake is arranged on the movable vehicle, the roller is connected to the upper end of the movable vehicle, the connection position of the roller is adjustable, and the position of the roller in the horizontal direction is adjusted by means of the movement of the movable vehicle so as to adjust the tension of the counterweight block on the heavy hammer.

In a possible implementation, the locomotive upper end is the slope form and is equipped with the regulation post, it is flexible to adjust the post and can follow its axial, the gyro wheel connect in adjust the post upper end, it is used for adjusting to adjust the post the height of gyro wheel and the ascending position of horizontal direction.

In a possible implementation mode, the upper end of the trolley is provided with two lifting columns at intervals in parallel, the lifting columns can be vertically telescopic, the bottom ends of the adjusting columns are connected to the top ends of one of the lifting columns, and the heights of the adjusting columns are adjusted by means of the lifting columns.

In a possible implementation mode, pilot-controlled butterfly valve closing valve puckery removing device still includes the arc slide rail, two lifting column upper end all with the arc slide rail bottom is articulated, it is equipped with the slider to adjust the toe end, slider sliding connection arc slide rail upper end, the slip orbit of adjusting the post is the arc and adjustable position on gyro wheel height and the horizontal direction.

In a possible implementation mode, a jackscrew penetrates through the sliding block, and the inner end of the jackscrew can abut against the arc-shaped sliding rail to limit the sliding position of the sliding block.

In a possible implementation manner, the lower end of the steel wire rope is connected with a frame with an opening on the side part, the balancing weight penetrates through the opening and is placed in the frame, and multiple layers of balancing weights can be stacked in the frame.

In a possible implementation manner, a hook is arranged at the bottom of the frame, the hook is used for hooking a secondary frame, and another balancing weight can be placed in the secondary frame.

In a possible implementation manner, the inner side wall of the frame is provided with a magnet for magnetically attracting the balancing weight, the bottom wall of the frame is provided with an anti-skid pad, and the balancing weight is arranged on the anti-skid pad.

In a possible implementation manner, the lifting column and the adjusting column are electric adjusting type telescopic columns, and the moving vehicle is provided with controllers which are respectively electrically connected with the lifting column and the adjusting column and respectively control the operation.

The utility model provides a hydraulically controlled butterfly valve shut valve puckery removing device's beneficial effect lies in: compared with the prior art, the utility model discloses pilot operated butterfly valve closing valve puckery remove device includes rings, the gyro wheel, wire rope and balancing weight, rings are used for dismantling the connection weight, the gyro wheel is located weight below and rotatable to one side, the wire rope upper end is connected in rings, the middle part is around on the gyro wheel, the balancing weight is connected in the wire rope lower extreme, have perpendicular decurrent gravity, the terrain clearance of balancing weight is 180 + 220mm, the weight overcomes valve shaft frictional force with the help of the gravity action of balancing weight when the pilot operated butterfly valve is closed to the pilot operated butterfly valve, in the time of having solved circulating water pump pilot operated butterfly valve and opening and sending the closing valve instruction, the technical problem of the phenomenon is refused to the emergence puckery, the butterfly valve has the weight at the closing valve in-process and overcomes the valve shaft frictional force, the flexible operation when closing the valve, avoid taking place the technological effect that the puckery is refused to move.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a device for eliminating the jamming of a hydraulic control butterfly valve closing valve provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a device for eliminating the jamming of a hydraulic control butterfly valve closing valve according to another embodiment of the present invention;

fig. 3 is a schematic view of a frame structure of the device for eliminating the jamming of the hydraulic control butterfly valve closing valve provided by the embodiment of the present invention;

fig. 4 is a schematic structural view of a mobile vehicle of the device for eliminating puckery closing of the hydraulic control butterfly valve provided by the embodiment of the present invention and a connection thereof;

fig. 5 is a block diagram of a switching valve control system of a hydraulic control butterfly valve in the prior art.

Description of reference numerals:

1. a hoisting ring; 2. a roller; 3. a wire rope; 4. a balancing weight; 5. a weight; 6. a mobile vehicle; 7. an adjustment column; 8. a lifting column; 9. an arc-shaped slide rail; 10. a slider; 11. a limiting block; 12. carrying out top thread; 13. a frame; 14. hooking; 15. a sub-frame; 16. a magnet; 17. a non-slip mat; 18. and a controller.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 4, the device for eliminating the jamming of the hydraulic control butterfly valve closing valve provided by the present invention will now be described. The device for eliminating the jamming of the hydraulic control butterfly valve during closing comprises a hanging ring 1, a roller 2, a steel wire rope 3 and a balancing weight 4, wherein the hanging ring 1 is used for detachably connecting a heavy hammer 5, the roller 2 is positioned below the heavy hammer 5 in an inclined mode and can rotate, the upper end of the steel wire rope 3 is connected to the hanging ring 1, the middle portion of the steel wire rope is wound on the roller 2, the balancing weight 4 is connected to the lower end of the steel wire rope 3 and has vertical downward gravity, the ground clearance of the balancing weight 4 is 180-fold 220mm, and when the hydraulic control butterfly valve is closed, the heavy hammer 5 overcomes the friction force of a valve shaft by means of the gravity action of the balancing weight 4 to eliminate the jamming when the hydraulic control butterfly valve is closed.

The utility model provides a pilot operated butterfly valve closing valve puckery remove device, compared with the prior art, gyro wheel 2 is located 5 oblique below of weight and is rotatable, 3 upper ends of wire rope are connected in rings 1, the middle part is around on gyro wheel 2, balancing weight 4 is connected in 3 lower extremes of wire rope, perpendicular decurrent gravity has, balancing weight 4's terrain clearance is 180 + 220mm, weight 5 overcomes valve shaft frictional force with the help of the action of gravity of balancing weight 4 when the pilot operated butterfly valve is closed, in order to eliminate the puckery when the pilot operated butterfly valve is closed, it is when opening the position and sending the closing valve instruction to have solved circulating water pump pilot operated butterfly valve, the technical problem of the phenomenon is refused to take place the puckery, the butterfly valve shaft frictional force is overcome to the weight that the butterfly valve has closing valve in-process 5, the flexible operation when closing the valve, avoid taking place the technological effect that the puckery is refused to move.

Through increasing the counter weight for weight 5, balancing weight 4 is located the oblique below position of weight 5, then can not influence the normal operating of weight 5, balancing weight 4's terrain clearance is preferred 200mm, when liquid accuse butterfly valve open mode, balancing weight 4's gravity acts on weight 5, the decurrent gravity of weight 5 has been increased, when closing the valve, balancing weight 4 self gravity increases, the frictional force downstream of overcoming the valve shaft, along with weight 5 downstream, weight 5 self gravity increases, after balancing weight 4 contacts ground, only need to lean on weight 5 self gravity to accomplish whole valve closing action. When the valve is opened, the heavy hammer 5 moves upwards under the thrust of the oil cylinder, the counterweight block 4 does not work in most valve opening strokes, and only when the opening degree of the valve is close to 90 percent, the counterweight block 4 leaves the ground, so that the self gravity of the heavy hammer 5 is increased. The suspension ring 1 is connected to the weight 5 through a plurality of bolts.

The advantages of the above design are: the gravity required when the valve is closed is guaranteed to the maximum extent, the gravity of the heavy hammer 5 at the initial stage of valve closing can overcome the friction force of the valve shaft to move downwards, and when the angle of the heavy hammer 5 is reduced, the gravity is not increased when the balancing weight 4 falls to the ground. The gravity of the counter weight 5 is larger at the initial stage of valve opening, the gravity of the counter weight 4 is not increased when the counter weight falls on the ground, the valve opening action is not influenced, the gravity of the counter weight 4 is increased only when the opening degree of the valve is 90%, and the phenomenon that the counter weight 5 is jammed due to the increase of the gravity of the counter weight 5 when the valve is opened is avoided.

In order to adjust the horizontal position of the roller 2, in some embodiments, referring to fig. 1 to 4, the device for eliminating the blockage of the hydraulic butterfly valve further includes a movable vehicle 6 with an adjustable position, the movable vehicle 6 has a brake, the roller 2 is connected to the upper end of the movable vehicle 6 and the connection position is adjustable, and the roller 2 adjusts the position in the horizontal direction by the movement of the movable vehicle 6 to adjust the pulling force of the counterweight 4 on the weight 5. The moving vehicle 6 is located on the ground and can move in the horizontal direction to adjust the position of the roller 2, so as to adjust the pulling force of the counterweight 4 on the weight 5. The brake is a brake or a locking device, which can lock the wheels of the moving vehicle 6, and further lock the position of the moving vehicle 6, so that the position of the roller 2 is fixed, and the tension of the counterweight 4 on the heavy hammer 5 is fixed.

Of course, the larger the pulling force of the weight 4 on the weight 5 is, the smoother the movement of the weight 5 will be, and the phenomena of jamming and movement rejection will be eliminated. The moving cart 6 is provided with a handle or a pushing handle, which can be pushed to move to any position, and it should be noted that the normal operation of the weight 5 cannot be moved in the process of pushing the moving cart 6.

In order to realize flexible adjustment of the height and position of the roller 2, in some embodiments, please refer to fig. 1 to 4, an adjusting column 7 is obliquely arranged at the upper end of the moving vehicle 6, the adjusting column 7 can be extended and retracted along the axial direction thereof, the roller 2 is connected to the upper end of the adjusting column 7, and the adjusting column 7 is used for adjusting the height and the position of the roller 2 in the horizontal direction. The adjusting column 7 is arranged to be inclined, when the adjusting column 7 stretches, the height of the roller 2 can be adjusted, the horizontal position of the roller 2 can be adjusted, and the adjustment of different positions and different heights of the roller 2 can be realized by combining the movement of the moving vehicle 6.

Specifically, the adjusting column 7 can be manually adjusted or automatically adjusted, and comprises a plurality of sections of telescopic rods which are mutually inserted and connected, and the telescopic rods in the prior art can be selected.

In some embodiments, referring to fig. 1 to 4, two lifting columns 8 are arranged at the upper end of the moving vehicle 6 in parallel at intervals, the lifting columns 8 can be vertically telescopic, the bottom end of the adjusting column 7 is connected to the top end of one of the lifting columns 8, and the height of the adjusting column 7 is adjusted by the lifting column 8. This lift post 8's structure is the same with the structure of adjusting post 7 to in manufacturing, all stretch out and draw back along its self axial, and flexible scope is limited, can accomplish corresponding function of adjusting 2 positions of gyro wheel and height in this embodiment. Through the mutually supporting action that uses lift post 8 and regulation post 7, can realize position or altitude mixture control of gyro wheel 2 in the two-dimensional direction, conveniently adjust the pulling force size of balancing weight 4 to weight 5.

In general, the farther the roller 2 is from the weight 5 in the horizontal direction, the smaller the tension of the counterweight 4 on the weight 5, and when the wire rope 3 is laid in the vertically downward manner, and the roller 2 is located directly below the weight 5, the maximum tension of the counterweight 4 on the weight 5 is obtained. Of course, weights 4 of different weights may be reasonably selected and used, or a plurality of weights 4 may be used, etc., as required.

In order to further realize that the position of the roller 2 can be adjusted in the arc direction so as to adapt to different pulling forces generated by the counterweight 5 by the counterweight block 4, in some embodiments, please refer to fig. 1 to 4, the device for eliminating the blocking of the hydraulic control butterfly valve closing valve further comprises an arc-shaped slide rail 9, the upper ends of the two lifting columns 8 are hinged to the bottom end of the arc-shaped slide rail 9, the bottom end of the adjusting column 7 is provided with a slide block 10, the slide block 10 is slidably connected to the upper end of the arc-shaped slide rail 9, and the sliding track of the adjusting column 7 is arc-shaped and can adjust the position of the roller 2 in the height direction and the horizontal direction. Arc slide rail 9 is the protruding arc that makes progress, and the bottom of slider 10 also is the arc, and both can mutual adaptation use, realize the arc of adjusting post 7 and slide, and then adjust gyro wheel 2's position. Two ends of the arc-shaped slide rail 9 are respectively provided with a limiting block 11 which can limit the sliding position of the slide block 10 and prevent the slide block from slipping off the arc-shaped slide rail 9.

In order to limit the moving position of the sliding block 10, in some embodiments, please refer to fig. 1 to 4, a top wire 12 is inserted through the sliding block 10, and an inner end of the top wire 12 can abut against the arc-shaped sliding rail 9 to limit the sliding position of the sliding block 10. The sliding block 10 can be braked on the arc-shaped sliding rail 9 by screwing the top thread 12, and the top thread 12 is similar to a screw or a bolt and can be braked after being abutted with the arc-shaped sliding rail 9. The jackscrew 12 is reversely adjusted, so that the arc-shaped slide rail 9 can be separated, and the slide block 10 can slide.

In order to realize that a plurality of counter weights 4 can be placed and the tension of the weight 5 can be reasonably adjusted, in some embodiments, please refer to fig. 1 to 4, the lower end of the steel wire rope 3 is connected with a frame 13 with an opening at the side part, the counter weights 4 pass through the opening and are placed in the frame 13, and a plurality of layers of counter weights 4 can be stacked in the frame 13. The upper end of the frame 13 is connected with the steel wire rope 3, the balancing weight 4 is installed in and taken out from the side part of the frame 13, and the effect of adjusting the tension of the heavy hammer 5 can be achieved by placing a plurality of layers of balancing weights 4 with different weights.

In some embodiments, referring to fig. 1 to 4, a hook 14 is disposed at the bottom of the frame 13, the hook 14 is used for hanging a sub-frame 15, and another weight 4 can be placed in the sub-frame 15. When one frame 13 cannot meet the use requirement, two frames, namely one frame 13 and one sub-frame 15 can be used, the upper end of the sub-frame 15 is hung on the hook 14, and the counterweight 4 with other weight can also be placed in the sub-frame 15. In the practical application process, the counter weight 5 needs to be reasonably selected and used, so that the counter weight 5 can be flexibly operated, and the hydraulic control butterfly valve is free of jamming and refusing to move when in valve closing operation.

In order to prevent the counterweight 4 from slipping off from the frame 13 and ensure stable connection between the counterweight 4 and the frame 13, in some embodiments, please refer to fig. 1 to 4, the inner side wall of the frame 13 is provided with a magnet 16 for magnetically attracting the counterweight 4 with magnetism, the inner sidewall of the frame 13 is provided with an anti-slip pad 17, and the counterweight 4 is disposed on the anti-slip pad 17. When using a weight 4 with magnetism, the magnet can attract to the weight 4, and when using a weight 4 without magnetism, the magnet cannot attract. The balancing weight 4 is placed at the upper end of the non-slip mat 17 and can play a role in non-slip. Of course, magnets 16 and non-slip mats 17 may also be provided in the sub-frame 15.

In order to reasonably control the telescopic lengths of the lifting column 8 and the adjusting column 7, in some embodiments, please refer to fig. 1 to 4, the lifting column 8 and the adjusting column 7 are both electrically adjustable telescopic columns, and the moving vehicle 6 is provided with a controller 18 electrically connected to the lifting column 8 and the adjusting column 7 respectively and controlling the operation respectively. The controller 18 can flexibly adjust the moving position or height of the roller 2, and further reasonably adjust the tension of the counterweight 4 on the counterweight 5, so that the counterweight 5 can be smoothly operated, and jamming and movement refusal during valve closing can be effectively prevented. The controller 18 is a remote controller or a control panel in the prior art, and can realize reasonable control operation.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Liquid accuse butterfly valve closing valve puckery remove device, its characterized in that includes:

the lifting ring is used for detachably connecting the heavy hammer;

the roller is positioned obliquely below the heavy hammer and can rotate;

the counterweight block is connected with the lower end of the steel wire rope and has vertical downward gravity, and the ground clearance of the counterweight block is 180-220 mm;

2. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 1, further comprising a movable vehicle with an adjustable position, wherein the movable vehicle is provided with a brake, the roller is connected to the upper end of the movable vehicle and the connection position of the roller is adjustable, and the roller is adjusted in position in the horizontal direction by the movement of the movable vehicle to adjust the tension of the weight block on the weight.

3. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 2, wherein an adjusting column is obliquely arranged at the upper end of the moving vehicle, the adjusting column can extend and retract along the axial direction of the adjusting column, the roller is connected to the upper end of the adjusting column, and the adjusting column is used for adjusting the height and the position of the roller in the horizontal direction.

4. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 3, wherein two lifting columns are arranged at the upper end of the moving vehicle at intervals in parallel, the lifting columns can be vertically stretched and contracted, the bottom ends of the adjusting columns are connected to the top end of one of the lifting columns, and the heights of the adjusting columns are adjusted by means of the lifting columns.

5. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 4, wherein the device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve further comprises an arc-shaped slide rail, the upper ends of the two lifting columns are hinged to the bottom end of the arc-shaped slide rail, the bottom end of the adjusting column is provided with a slide block, the slide block is connected with the upper end of the arc-shaped slide rail in a sliding mode, the sliding track of the adjusting column is arc-shaped, and the height and the horizontal position of the roller can be adjusted.

6. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 5, wherein a jackscrew penetrates through the sliding block, and the inner end of the jackscrew can abut against the arc-shaped sliding rail to limit the sliding position of the sliding block.

7. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 1, wherein the lower end of the steel wire rope is connected with a frame with an opening at the side part, the counterweight block passes through the opening and is arranged in the frame, and a plurality of layers of counterweight blocks can be stacked in the frame.

8. The device for eliminating the blocking of the shut valve of the hydraulic control butterfly valve according to claim 7, wherein a hook is arranged at the bottom of the frame and used for hooking a sub-frame, and another balancing weight can be placed in the sub-frame.

9. The device for eliminating the blocking of the shut valve of the hydraulic control butterfly valve according to claim 7, wherein the inner side wall of the frame is provided with a magnet for magnetically attracting the magnetic balancing weight, the inner bottom wall of the frame is provided with an anti-slip pad, and the balancing weight is arranged on the anti-slip pad.

10. The device for eliminating the jamming of the shut valve of the hydraulic control butterfly valve according to claim 4, wherein the lifting column and the adjusting column are electrically adjustable telescopic columns, and the moving vehicle is provided with controllers which are electrically connected with the lifting column and the adjusting column respectively and control the operation of the lifting column and the adjusting column respectively.