CN112482550B

CN112482550B - Hydraulic engineering sludge pipeline mediation clean-up equipment

Info

Publication number: CN112482550B
Application number: CN202011241093.9A
Authority: CN
Inventors: 熊兴松; 潘霞
Original assignee: China Construction Sixth Engineering Division Water Conservancy and Hydropower Construction Group Co Ltd
Current assignee: China Construction Sixth Engineering Division Water Conservancy and Hydropower Construction Group Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2022-09-02
Anticipated expiration: 2040-11-09
Also published as: CN112482550A

Abstract

The invention relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering sludge pipeline dredging and cleaning device which comprises a box body, wherein a box body is welded at the top of the box body, and a first driving mechanism is fixedly installed at the bottom of an inner cavity of the box body; according to the invention, through the arrangement of the box body, the first driving mechanism, the connecting plate, the movable rod, the accessory box, the second driving mechanism, the travelling wheels, the mounting plate, the partition plate, the rotating pipe, the square pipe, the piston, the hollow pipe, the water spraying plate, the third driving mechanism and the water pump, the advantages of preventing cleaning dead angles, reducing the labor intensity of workers and reducing construction processes are achieved, and the problems that the existing cleaning mode mainly cleans simple cleaning tools such as a manual brush and the like or removes a pipeline and is washed by clean water, the manual cleaning efficiency is low, the cleaning dead angles are easy to occur, the pipeline is detached and cleaned, the labor intensity of workers is increased, the construction process is increased, and the cleaning efficiency is reduced are solved.

Description

Hydraulic engineering sludge pipeline mediation clean-up equipment

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering sludge pipeline dredging and cleaning device.

Background

Hydraulic engineering is a project built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting, also called water engineering, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the requirements of human beings, and water flow can be controlled only by building the hydraulic engineering to prevent flood disasters and adjust and distribute water quantity to meet the requirements of people on water resources in life and production.

In hydraulic engineering, the pipeline is the most commonly used part, wherein, the mud pipeline is mainly responsible for carrying mud, in order to reach the construction purpose, but at the in-process that the mud pipeline stops using, still can be stained with certain mud on the inner wall of pipeline, if not in time clear up, long-time after, mud can the caking sclerosis, thereby adhere to on the inner wall of pipeline, influence subsequent use, current clearance mode is mainly cleared up for simple cleaning means such as the handheld brush of manual work, perhaps pull down the pipeline, adopt the clear water to erode, there is certain defect in the above mode: firstly, manual cleaning efficiency is low, and cleaning dead corners are easy to occur; the pipeline is disassembled for cleaning, the labor intensity of workers is increased, the construction process is increased, the cleaning efficiency is reduced, and therefore the hydraulic engineering sludge pipeline dredging and cleaning equipment is provided for solving the problems.

Disclosure of Invention

The invention aims to provide dredging and cleaning equipment for a hydraulic engineering sludge pipeline, which has the advantages of preventing dead angles from being cleaned, reducing the labor intensity of workers and reducing the construction process, and solves the problems that the existing cleaning mode is mainly to clean simple cleaning tools such as a manual brush and the like, or to disassemble a pipeline, to wash the pipeline by using clean water, the manual cleaning efficiency is low, the dead angles are easily cleaned, the pipeline is disassembled and cleaned, the labor intensity of workers is increased, the construction process is increased, and the cleaning efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic engineering sludge pipeline dredging and cleaning device comprises a box body, wherein a box body is welded at the top of the box body, a first driving mechanism is fixedly installed at the bottom of an inner cavity of the box body, connecting plates are arranged on two sides of the top of the first driving mechanism, movable rods are welded at the front end and the rear end of one side of each connecting plate, one ends of the movable rods, far away from the connecting plates, penetrate through the box body and extend to the outside to be welded with an accessory box, a second driving mechanism is fixedly installed on one side of the inner cavity of the accessory box, walking wheels are welded at two ends of the outer side of the accessory box, a mounting plate and a partition plate are welded on the inner wall of the box body respectively, a rotary pipe is supported by a back bearing of the mounting plate, the back of the rotary pipe penetrates through the box body and extends to the outside to be communicated with a square pipe, pistons are slidably connected to two sides of the inner cavity of the square pipe, and the outer sides of the pistons are communicated with hollow pipes, the one end that the piston was kept away from to the hollow tube runs through square pipe and extends to outside intercommunication and has the water spray plate, one side fixed mounting at the mounting panel back has third actuating mechanism, the front fixed mounting of box inner chamber has the water pump, the play water end and the baffle intercommunication of water pump, the end of intaking of water pump runs through the box and extends to the outside.

Preferably, the shape of water spray plate is the arc, one side equidistance intercommunication that the hollow tube was kept away from to the water spray plate has the shower nozzle, the equal fixed mounting in both sides that the surface of water spray plate just is located the shower nozzle has the brush.

Preferably, the surface cover of movable rod is equipped with first sealing washer, one side of first sealing washer and the inner wall fixed mounting of box body.

Preferably, first actuating mechanism includes first motor, the bottom of first motor and the bottom fixed mounting of box inner chamber, the output shaft welding of first motor has first initiative tooth, the positive meshing of first initiative tooth has first driven tooth, the inner wall welding of first driven tooth has positive and negative lead screw, the both ends of positive and negative lead screw all support with the inner wall bearing of box body, the surface of positive and negative lead screw and the inner wall threaded connection of connecting plate.

Preferably, second actuating mechanism includes the second motor, one side of second motor and the inner wall fixed mounting of accessory box, the output shaft welding of second motor has the second initiative tooth, the meshing of one side of second initiative tooth has the driven tooth of second, the inner wall welding of the driven tooth of second has the bull stick, the both ends of bull stick all support with the inner wall bearing of accessory box, the surface of bull stick and the top welding that is located the driven tooth of second have the action wheel, the surface of action wheel is around being equipped with the belt, the bottom fixed mounting of walking wheel has from the driving wheel, the action wheel passes through the belt and is connected from the driving wheel transmission.

Preferably, the third driving mechanism comprises a third motor, the front surface of the third motor is fixedly mounted on the back surface of the mounting plate, a third driving tooth is welded on an output shaft of the third motor, a third driven tooth is meshed on one side of the third driving tooth, and the inner wall of the third driven tooth is welded on the surface of the rotating pipe.

Preferably, the front surface and the back surface of the mounting plate are fixedly provided with mechanical sealing assemblies, and the inner ring of each mechanical sealing assembly is sleeved on the surface of the corresponding rotating pipe.

Preferably, the surface cover of hollow tube is equipped with the second sealing washer, one side of second sealing washer and the inner wall fixed mounting of square pipe.

Preferably, the center department welding at the side of square pipe inner circle back has the backup pad, the spring has all been welded to the both sides of backup pad, the spring is kept away from the one side of backup pad and the fixed surface installation of piston.

Preferably, the front side and the rear side of the connecting plate are welded with limit blocks, the front side and the rear side of the inner ring of the box body are provided with limit grooves, and the surfaces of the limit blocks are in sliding connection with the inner cavities of the limit grooves.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, through the arrangement of the box body, the first driving mechanism, the connecting plate, the movable rod, the accessory box, the second driving mechanism, the travelling wheels, the mounting plate, the partition plate, the rotating pipe, the square pipe, the piston, the hollow pipe, the water spraying plate, the third driving mechanism and the water pump, the advantages of preventing cleaning dead angles, reducing the labor intensity of workers and reducing construction processes are achieved, and the problems that the existing cleaning mode mainly cleans simple cleaning tools such as a manual brush and the like or removes a pipeline and is washed by clean water, the manual cleaning efficiency is low, the cleaning dead angles are easy to occur, the pipeline is detached and cleaned, the labor intensity of workers is increased, the construction process is increased, and the cleaning efficiency is reduced are solved.

The water spraying plate is designed in an arc shape, can be attached to the inner wall of a pipe body, clear water in the water spraying plate can be uniformly sprayed out through the arrangement of the spray head, meanwhile, the inner wall of the pipe body can be washed through the brush, so as to assist in cleaning, a gap between the movable rod and the box body can be sealed through the arrangement of the first sealing ring, so as to increase the sealing performance, the first driving mechanism can provide power for the extension and retraction of the accessory box, when the diameter of a pipeline is larger, the accessory box extends out through the first driving mechanism, so that the walking wheel is ensured to be in contact with the pipe wall, otherwise, when the diameter of the pipeline is reduced, the first driving mechanism enables the accessory box to be contracted, the walking wheel is ensured to be in contact with the pipe wall, the second driving mechanism can provide power for the walking wheel, so that the walking wheel walks on the inner wall of the pipeline, so as to drive the whole device to move, so that dredge and clean each position of pipeline inner wall, third actuating mechanism can drive the runner and rotate, makes the runner drive square pipe and water spray plate rotatory to carry out all-round clearance mediation to the inner wall of pipeline, prevent the clearance dead angle.

According to the invention, through the arrangement of the mechanical sealing assembly, the sealing performance can be provided for the rotating pipe while the rotating pipe rotates, clear water is prevented from permeating out of a gap between the rotating pipe and the mounting plate, the gap between the hollow pipe and the square pipe can be blocked through the arrangement of the second sealing ring, so that the sealing performance is improved, through the arrangement of the spring, acting force can be always applied to the piston, so that the piston always pushes the hollow pipe to displace, and therefore, the hairbrush can be tightly attached to the inner wall of the pipeline, and through the arrangement of the limiting block, the connecting plate can be subjected to auxiliary supporting and limiting when moving, so that the stability and firmness of the connecting plate are improved.

Drawings

FIG. 1 is a schematic view of the inventive structure;

FIG. 2 is a top sectional view of the patent case of the present invention;

FIG. 3 is a partial sectional top view of the square tube of the present invention;

FIG. 4 is a partial bottom sectional view of the patent accessory case of the present invention;

FIG. 5 is a partial front sectional view of the patent accessory case of the present invention;

FIG. 6 is a partial top sectional view of the patent case of the present invention.

In the figure: 1. a box body; 2. a box body; 3. a first drive mechanism; 31. a first motor; 32. a first driving tooth; 33. a first driven tooth; 34. a positive and negative screw rod; 4. a connecting plate; 5. a movable rod; 6. an accessory case; 7. a second drive mechanism; 71. a second motor; 72. a second driving tooth; 73. a second driven tooth; 74. a rotating rod; 75. a driving wheel; 76. a driven wheel; 8. a traveling wheel; 9. mounting a plate; 10. a partition plate; 11. pipe rotation; 12. a square tube; 13. a piston; 14. a hollow tube; 15. a water spray plate; 16. a third drive mechanism; 161. a third motor; 162. a third driving tooth; 163. a third driven tooth; 17. a water pump; 18. a spray head; 19. a brush; 20. a first seal ring; 21. a mechanical seal assembly; 22. a second seal ring; 23. a support plate; 24. a spring; 25. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-6, a hydraulic engineering sludge pipeline dredging and cleaning device comprises a box body 1, a box body 2 welded on the top of the box body 1, a first driving mechanism 3 fixedly installed at the bottom of an inner cavity of the box body 2, connecting plates 4 respectively arranged on two sides of the top of the first driving mechanism 3, movable rods 5 welded on the front and rear ends of one side of each connecting plate 4, an accessory box 6 welded on the outer side of the box body 2 and extending through the box body 5 at one end of each movable rod 5 far away from the corresponding connecting plate 4, a second driving mechanism 7 fixedly installed on one side of the inner cavity of the accessory box 6, traveling wheels 8 welded on two ends of the outer side of the accessory box 6, a mounting plate 9 and a partition plate 10 respectively welded on the inner wall of the box body 1, a rotary pipe 11 supported by a back bearing of the mounting plate 9, a back of the rotary pipe 11 extending through the box body 1 and extending to the outer side and communicated with a square pipe 12, pistons 13 slidably connected on two sides of the inner cavity of the square pipe 12, the outer side of the piston 13 is communicated with a hollow pipe 14, one end of the hollow pipe 14, which is far away from the piston 13, penetrates through the square pipe 12 and extends to the outside and is communicated with a water spraying plate 15, one side of the back surface of the mounting plate 9 is fixedly provided with a third driving mechanism 16, the front surface of the inner cavity of the box body 1 is fixedly provided with a water pump 17, the water outlet end of the water pump 17 is communicated with the partition plate 10, the water inlet end of the water pump 17 penetrates through the box body 1 and extends to the outside, and through the arrangement of the box body 1, the box body 2, the first driving mechanism 3, the connecting plate 4, the movable rod 5, the accessory box 6, the second driving mechanism 7, the travelling wheels 8, the mounting plate 9, the partition plate 10, the rotating pipe 11, the square pipe 12, the piston 13, the hollow pipe 14, the water spraying plate 15, the third driving mechanism 16 and the water pump 17, the advantages of preventing the cleaning dead angle, reducing the labor intensity of workers and the construction flow are achieved, the problem that the existing cleaning mode mainly cleans simple cleaning tools such as hand-held brushes and the like is solved, or the pipeline is detached and washed by clear water, so that the manual cleaning efficiency is low, the dead angle is easily cleaned, the pipeline is detached and cleaned, the labor intensity of workers is increased, the construction process is increased, and the cleaning efficiency is reduced.

Specifically, the shape of the water spraying plate 15 is arc, one side of the water spraying plate 15 away from the hollow tube 14 is communicated with a spray head 18 at an equal distance, and brushes 19 are fixedly mounted on the surface of the water spraying plate 15 and on two sides of the spray head 18.

In this embodiment, the water spraying plate 15 is designed in an arc shape, so as to be attached to the inner wall of the pipe body, and the spray head 18 is arranged to uniformly spray the clean water in the water spraying plate 15, and the brush 19 can wash the inner wall of the pipe body to assist in cleaning.

Specifically, the surface cover of movable rod 5 is equipped with first sealing washer 20, and one side of first sealing washer 20 and the inner wall fixed mounting of box body 2.

In this embodiment, the gap between the movable rod 5 and the box body 2 can be sealed by the first seal ring 20, so as to increase the sealing performance.

Specifically, the first driving mechanism 3 comprises a first motor 31, the bottom of the first motor 31 is fixedly mounted with the bottom of the inner cavity of the box body 2, an output shaft of the first motor 31 is welded with a first driving tooth 32, the front surface of the first driving tooth 32 is meshed with a first driven tooth 33, the inner wall of the first driven tooth 33 is welded with a positive and negative screw rod 34, two ends of the positive and negative screw rod 34 are supported by bearings on the inner wall of the box body 2, and the surface of the positive and negative screw rod 34 is in threaded connection with the inner wall of the connecting plate 4.

In this embodiment, first actuating mechanism 3 can provide power for the flexible of accessory box 6, and when the diameter of pipeline was great, first actuating mechanism 3 made accessory box 6 stretch out to guarantee walking wheel 8 and pipe wall contact, otherwise, when the diameter of pipeline diminishes, first actuating mechanism 3 made accessory box 6 shrink, guarantee walking wheel 8 and pipe wall contact.

Specifically, the second driving mechanism 7 includes a second motor 71, one side of the second motor 71 is fixedly mounted on the inner wall of the accessory box 6, a second driving tooth 72 is welded on an output shaft of the second motor 71, a second driven tooth 73 is meshed on one side of the second driving tooth 72, a rotating rod 74 is welded on the inner wall of the second driven tooth 73, two ends of the rotating rod 74 are supported by bearings on the inner wall of the accessory box 6, a driving wheel 75 is welded on the surface of the rotating rod 74 and above the second driven tooth 73, a belt is wound on the surface of the driving wheel 75, a driven wheel 76 is fixedly mounted at the bottom of the traveling wheel 8, and the driving wheel 75 is in transmission connection with the driven wheel 76 through the belt.

In this embodiment, second actuating mechanism 7 can provide power for walking wheel 8, makes walking wheel 8 walk on the inner wall of pipeline to drive the device's whole and remove, so that dredge to each position to pipeline inner wall and clean.

Specifically, the third driving mechanism 16 includes a third motor 161, a front surface of the third motor 161 is fixedly mounted on a back surface of the mounting plate 9, a third driving tooth 162 is welded to an output shaft of the third motor 161, a third driven tooth 163 is engaged with one side of the third driving tooth 162, and an inner wall of the third driven tooth 163 is welded to a surface of the rotating pipe 11.

In this embodiment, the third driving mechanism 16 can drive the rotating pipe 11 to rotate, so that the rotating pipe 11 drives the square pipe 12 and the water spraying plate 15 to rotate, thereby clearing the inner wall of the pipeline in all directions and preventing dead angles from being cleared.

Specifically, the front and the back of the mounting plate 9 are both fixedly mounted with mechanical seal assemblies 21, and the inner ring of the mechanical seal assembly 21 is sleeved on the surface of the rotating pipe 11.

In this embodiment, the mechanical seal assembly 21 is provided to provide sealing performance to the rotating pipe 11 while the rotating pipe rotates, so as to prevent clean water from penetrating through the gap between the rotating pipe 11 and the mounting plate 9.

Specifically, the surface of the hollow tube 14 is sleeved with a second sealing ring 22, and one side of the second sealing ring 22 is fixedly mounted on the inner wall of the square tube 12.

In this embodiment, the gap between the hollow tube 14 and the square tube 12 can be sealed by providing the second seal ring 22, so that the sealing performance can be improved.

Specifically, a support plate 23 is welded at the center of the back of the inner ring of the square tube 12, springs 24 are welded on both sides of the support plate 23, and one side of each spring 24, which is far away from the support plate 23, is fixedly mounted on the surface of the piston 13.

In this embodiment, through the setting of spring 24, can exert the effort to piston 13 all the time, make piston 13 promote hollow tube 14 all the time and carry out the displacement to guarantee that brush 19 can be inseparable laminating on the inner wall of pipeline.

Specifically, both sides all have welded stopper 25 around the connecting plate 4, and the spacing groove has all been seted up to both sides around 2 inner circles of box body, the surface of stopper 25 and the inner chamber sliding connection of spacing groove.

In this embodiment, through the setting of stopper 25, can be when connecting plate 4 removes, carry out auxiliary stay and spacing to it to increase its stability and fastness.

The working principle is as follows: the device is powered by mains supply, and is controlled by an external controller and communicated with a water inlet end of a water pump 17 through a hose, firstly, a user places the device at one end of a pipeline, when a walking wheel 8 is spaced from the inner wall of the pipeline, the first motor 31 is started, an output shaft of the first motor 31 drives a first driving tooth 32 to rotate, the first driving tooth 32 drives a first driven tooth 33 to rotate, the first driven tooth 33 drives a positive and negative screw rod 34 to rotate, the thread directions of the surfaces of the positive and negative screw rods 34 are opposite, so that when the positive and negative screw rods 34 rotate, the connecting plate 4 can be driven to separate, the connecting plate 4 drives a movable rod 5 to separate, the movable rod 5 drives an accessory box 6 to separate, the accessory box 6 drives the walking wheel 8 to move towards the direction of the inner wall of the pipeline until the walking wheel 8 is attached to the inner wall of the pipeline, and through the arrangement of a spring 24, the device can always apply acting force on the piston 13, so that the piston 13 always pushes the hollow pipe 14 to move, thereby ensuring that the brush 19 can be tightly attached to the inner wall of the pipeline, when the device is placed, the water pump 17, the second motor 71 and the third motor 161 are started, the water pump 17 pumps outside clean water through a hose and sprays out the clean water through the rotary pipe 11, the square pipe 12, the hollow pipe 14, the water spraying plate 15 and the spray head 18 to wash the inner wall of the pipeline, meanwhile, an output shaft of the third motor 161 drives the third driving tooth 162 to rotate, the third driving tooth 162 drives the third driven tooth 163 to rotate, the third driven tooth 163 drives the rotary pipe 11 to rotate, so that the rotary pipe 11 drives the square pipe 12, the water spraying plate 15 and the brush 19 to rotate to wash the inner wall of the pipeline, an output shaft of the second motor 71 drives the second driving tooth 72 to rotate, the second driving tooth 72 drives the second driven tooth 73 to rotate, the second driven gear 73 drives the rotating rod 74 to rotate, the rotating rod 74 drives the driving wheel 75 to rotate, the driving wheel 75 drives the driven wheel 76 to rotate through a belt, and the driven wheel 76 drives the traveling wheel 8 to rotate, so that the device is controlled to move forwards and backwards, and the inner wall of the pipeline is cleaned and flushed in all directions.

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

Claims

1. The utility model provides a hydraulic engineering sludge conduit mediation clean-up equipment, includes box (1), its characterized in that: the top welding of box (1) has box body (2), the bottom fixed mounting of box body (2) inner chamber has first actuating mechanism (3), the both sides at first actuating mechanism (3) top all are provided with connecting plate (4), movable rod (5) have all been welded at both ends around connecting plate (4) one side, the one end that connecting plate (4) were kept away from in movable rod (5) runs through box body (2) and extends to the outside welding and has accessory box (6), one side fixed mounting of accessory box (6) inner chamber has second actuating mechanism (7), the both ends in the accessory box (6) outside have all been welded walking wheel (8), mounting panel (9) and baffle (10) have been welded respectively to the inner wall of box (1), the back bearing of mounting panel (9) supports runner pipe (11), the back of runner pipe (11) runs through box (1) and extends to outside intercommunication has square pipe (12), the water-saving type square pipe is characterized in that pistons (13) are connected to two sides of an inner cavity of the square pipe (12) in a sliding mode, a hollow pipe (14) is communicated with the outer side of each piston (13), one end, far away from each piston (13), of each hollow pipe (14) penetrates through the square pipe (12) and extends to the outside to be communicated with a water spraying plate (15), a third driving mechanism (16) is fixedly mounted on one side of the back face of the mounting plate (9), a water pump (17) is fixedly mounted on the front face of the inner cavity of the box body (1), the water outlet end of the water pump (17) is communicated with the partition plate (10), and the water inlet end of the water pump (17) penetrates through the box body (1) and extends to the outside;

the water spray plate (15) is arc-shaped, one side of the water spray plate (15) far away from the hollow pipe (14) is communicated with spray heads (18) at equal intervals, and brushes (19) are fixedly arranged on the surface of the water spray plate (15) and positioned on two sides of each spray head (18);

the surface of the movable rod (5) is sleeved with a first sealing ring (20), one side of the first sealing ring (20) is fixedly installed with the inner wall of the box body (2), the first driving mechanism (3) comprises a first motor (31), the bottom of the first motor (31) is fixedly installed with the bottom of the inner cavity of the box body (2), an output shaft of the first motor (31) is welded with a first driving tooth (32), the front surface of the first driving tooth (32) is meshed with a first driven tooth (33), the inner wall of the first driven tooth (33) is welded with a positive and negative lead screw (34), the two ends of the positive and negative lead screw (34) are supported with an inner wall bearing of the box body (2), the surface of the positive and negative lead screw (34) is connected with the inner wall of the connecting plate (4) in a threaded manner, limit blocks (25) are welded on the front side and the back side of the connecting plate (4), and limit grooves are formed in the front side and back side of the inner ring of the box body (2), the surface of the limiting block (25) is in sliding connection with the inner cavity of the limiting groove;

the surface of the hollow pipe (14) is sleeved with a second sealing ring (22), one side of the second sealing ring (22) is fixedly installed on the inner wall of the square pipe (12), a supporting plate (23) is welded at the center of the back of the inner ring of the square pipe (12), springs (24) are welded on two sides of the supporting plate (23), and one side, far away from the supporting plate (23), of each spring (24) is fixedly installed on the surface of the piston (13); the front and the back of the mounting plate (9) are fixedly provided with mechanical seal assemblies (21), and the inner ring of each mechanical seal assembly (21) is sleeved on the surface of the rotating pipe (11);

the second driving mechanism (7) comprises a second motor (71), one side of the second motor (71) is fixedly mounted on the inner wall of the accessory box (6), a second driving tooth (72) is welded on an output shaft of the second motor (71), a second driven tooth (73) is meshed on one side of the second driving tooth (72), a rotating rod (74) is welded on the inner wall of the second driven tooth (73), two ends of the rotating rod (74) are supported by inner wall bearings of the accessory box (6), a driving wheel (75) is welded on the surface of the rotating rod (74) and above the second driven tooth (73), a belt is wound on the surface of the driving wheel (75), a driven wheel (76) is fixedly mounted at the bottom of the traveling wheel (8), and the driving wheel (75) is in transmission connection with the driven wheel (76) through the belt; the third driving mechanism (16) comprises a third motor (161), the front face of the third motor (161) is fixedly mounted on the back face of the mounting plate (9), a third driving tooth (162) is welded to an output shaft of the third motor (161), a third driven tooth (163) is meshed to one side of the third driving tooth (162), and the inner wall of the third driven tooth (163) is welded to the surface of the rotating pipe (11).