CN211100587U

CN211100587U - Pipeline cleaning vehicle

Info

Publication number: CN211100587U
Application number: CN201921852043.7U
Authority: CN
Inventors: 何志远
Original assignee: Shantou Chenghai Junyi Design Co ltd
Current assignee: Shantou Chenghai Junyi Design Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-28
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a pipeline cleaning vehicle, wherein a spray head is arranged in front of the pipeline cleaning vehicle, and the pipeline cleaning vehicle comprises a shell; a driving wheel; the driving wheel is arranged at the bottom of the shell; the auxiliary wheel is arranged on the top surface and/or the side surface of the shell; and the telescopic assembly is connected with one end of the shell, the other end of the telescopic assembly is connected with the auxiliary wheel, and the telescopic assembly stretches to drive the auxiliary wheel to be close to or far away from the shell. The utility model discloses technical scheme aims at improving the flexibility of pipeline cleaning car to make the pipeline cleaning car can adapt to different pipe diameters, improve the commonality of pipeline cleaning car.

Description

Pipeline cleaning vehicle

Technical Field

The utility model relates to a pipeline cleaning technical field, in particular to pipeline cleaning vehicle.

Background

The pipeline equipment is used for conveying fluid such as water, oil, liquefied gas, and the pipeline equipment is when carrying fluid, and impurity, the foreign matter that the fluid carried can adhere to the inner wall of pipeline after long-time accumulation for the passageway in the pipeline narrows, influences the transport efficiency of fluid and the quality of carrying. For example, sludge and moss are accumulated on the inner wall of a tap water pipe used for a long time, and even toxic metals such as mercury and lead and a large amount of bacteria are precipitated, so that secondary pollution is caused to water conveyed in the pipeline. Therefore, it is necessary to clean the pipes regularly to ensure cleanliness of the pipes.

In order to realize cleaning the pipeline inner wall, the pipeline cleaning vehicle has appeared in the market, the pipeline cleaning vehicle deepens inside the pipeline, and go forward along the derivation direction of pipeline, in order to wash the inner wall to the pipeline, however, this kind of current pipeline cleaning vehicle mostly can only match specific size's pipeline, at abluent in-process, the pipeline that can not adapt to different pipe diameters in a flexible way washs, the flexibility that leads to the pipeline cleaning vehicle is not high, the commonality is not strong, can not satisfy the market demand.

The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline washs car aims at improving the flexibility of pipeline washing car to make the pipeline washing car can adapt to different pipe diameters, improve the commonality that the pipeline washed the car.

In order to achieve the purpose, the pipeline cleaning vehicle provided by the utility model is provided with a spray head before the pipeline cleaning vehicle, and comprises a shell;

a driving wheel; the driving wheel is arranged at the bottom of the shell;

the auxiliary wheel is arranged on the top surface and/or the side surface of the shell; and

the telescopic assembly, telescopic assembly one end connect in the casing, the other end connect in the auxiliary wheel, telescopic assembly stretches out and draws back in order to drive the auxiliary wheel is close to or keeps away from the casing.

The utility model relates to an embodiment, flexible subassembly including fixed body and swing joint in the activity body of fixed body, fixed body with casing fixed connection, the activity body with the auxiliary wheel is connected, just the auxiliary wheel for the activity body rotates.

The utility model relates to an embodiment, the top surface and/or the side of casing are equipped with the fixed slot, the fixed slot is followed the flexible direction of flexible subassembly extends the setting, fixed body is fixed in the fixed slot, the activity body in fixed slot extending direction reciprocating motion.

The utility model relates to an in the embodiment, the cell wall of fixed slot is equipped with the mounting hole, fixed body is equipped with the connecting hole, fixed body pass through the connecting piece with the mounting hole with the cooperation of connecting hole is fixed in the casing.

The utility model relates to an in the embodiment, the activity body includes activity body and protruding locating the connecting axle on activity body surface, the connecting axle stretches out the notch of fixed slot, the rotatable inserting of auxiliary wheel is located on the connecting axle.

The utility model discloses an in the embodiment, the protruding spacing platform that is equipped with of lateral wall of connecting axle, the pipeline cleaning car still includes the locating part, the locating part connect in the connecting axle, the auxiliary wheel is located spacing platform with between the locating part

The utility model relates to an in the embodiment, the connecting axle deviates from the tip lateral wall of activity body still is equipped with spacing portion, the locating part is fixed in spacing portion and butt the auxiliary wheel deviates from the surface of activity body.

The utility model relates to an embodiment, the pipeline cleaning car still includes pressure sensor, pressure sensor locates the auxiliary wheel, pressure sensor is used for detecting the pressure of auxiliary wheel and pipeline inner wall.

The utility model discloses an in the embodiment, the auxiliary wheel has two at least, two the auxiliary wheel symmetry is located the both sides of casing, each the auxiliary wheel corresponds and is equipped with one flexible subassembly.

The utility model relates to an embodiment, the pipeline cleaning car still includes first driving piece, first driving piece is located inside the casing, the output shaft of first driving piece stretches out the casing with the action wheel transmission is connected.

The utility model discloses technical scheme sets up the auxiliary wheel through the adoption at the top surface and/or the side of pipeline cleaning car casing to, still set up flexible subassembly on the casing, flexible subassembly one end is connected in the casing, and the other end is connected in the auxiliary wheel, and flexible subassembly is flexible to be close to or keep away from the casing telemechanical with driving the auxiliary wheel. So, when needs wash the pipeline, the action wheel drives the inside that whole pipeline cleaning car gos deep into the pipeline, and the shower nozzle sprays liquid in order to realize the washing to the pipeline inner wall. And flexible subassembly is flexible to make the auxiliary wheel be close to or keep away from the casing, so that the pipeline cleaning car can adapt to the pipeline of different internal diameters, thereby make the pipeline cleaning car become more nimble, improve the commonality of pipeline cleaning car, with the demand that caters to the market.

Drawings

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

FIG. 1 is a schematic structural view of an embodiment of the pipeline cleaning vehicle of the present invention;

FIG. 2 is an exploded view of the pipeline cleaning cart of FIG. 1;

fig. 3 is an exploded view of the telescoping assembly of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Pipeline cleaning vehicle	71	Fixed body
10	Shell body	711	Motor structure
				11	The top surface	713	Screw mandrel
111	Fixing groove	73	Movable body
				113	Mounting hole	731	Movable body
115	Bearing assembly	733	Connecting shaft
				30	Driving wheel	7331	Limiting table
50	Auxiliary wheel	7333	Limiting part
				51	Shaft hole	80	Position limiting piece
70	Telescopic assembly	90	Spray head

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

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

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a pipeline cleaning vehicle 100, wherein a spray head 90 is fixed at the front end of the pipeline cleaning vehicle 100, and the pipeline cleaning vehicle 100 comprises a shell 10; a driving wheel 30; the driving wheel 30 is arranged at the bottom of the shell 10; an auxiliary wheel 50, wherein the auxiliary wheel 50 is arranged on the top surface 11 and/or the side surface (not marked) of the shell 10; and a telescopic assembly 70, one end of the telescopic assembly 70 is connected to the housing 10, the other end of the telescopic assembly 70 is connected to the auxiliary wheel 50, and the telescopic assembly 70 is telescopic to drive the auxiliary wheel 50 to approach or leave the housing 10.

The utility model discloses technical scheme sets up auxiliary wheel 50 through the adoption at top surface 11 and/or the side of 100 casings 10 of pipeline cleaning car to, still set up flexible subassembly 70 on casing 10, flexible subassembly 70 one end is connected in casing 10, and the other end is connected in auxiliary wheel 50, and flexible subassembly 70 is flexible to be close to or keep away from casing 10 telemechanical in order to drive auxiliary wheel 50. So, when needs wash the pipeline, action wheel 30 drives whole pipeline cleaning car 100 and goes deep into the inside of pipeline, and shower nozzle 90 sprays liquid in order to realize the washing to the pipeline inner wall. In some embodiments, the pipe cleaning cart 100 is used to clean a water pipe of tap water, and thus, the liquid sprayed from the spray head 90 is a high pressure water stream. In some embodiments, the telescoping assembly 70 telescopes to move the auxiliary wheel 50 closer to or further from the housing 10 to allow the pipeline cleaning cart 100 to accommodate pipes of different internal diameters, thereby allowing the pipeline cleaning cart 100 to be more flexible and increasing the versatility of the pipeline cleaning cart 100 to meet market demands.

The utility model discloses in, casing 10 is roughly the cuboid, and wherein, casing 10's length direction is unanimous with the extending direction of pipeline, is formed with the holding chamber (not marking) in casing 10's inside, and the holding intracavity is used for installing drive action wheel 30 pivoted first driving piece (not shown), automatically controlled component (not shown), and power etc. and the power is connected with first driving piece, automatically controlled component electricity respectively. Generally, the driving wheels 30 are disposed at the lower portion of the housing 10, at least two driving wheels 30 are disposed, the two driving wheels 30 are disposed opposite to each other, the first driving member may be a motor, and an output shaft of the motor extends out of the housing 10 and is in transmission connection with the driving wheels 30 disposed at the bottom of the housing 10 to drive the pipeline cleaning vehicle 100 to move forward along the extending direction of the pipeline. The number of the driving wheels 30 may also be four, or six, eight, etc., and it can be understood that the driving wheels 30 are arranged in pairs, so that the pipeline cleaning vehicle 100 can walk smoothly. The spray head 90 is disposed in front of the pipe cleaning vehicle 100, and when the pipe cleaning vehicle 100 travels inside a pipe, the spray head 90 can spray high-pressure water flow from the front to clean the inner wall of the pipe.

The auxiliary wheel 50 may be disposed on the side of the housing 10, or may be disposed on the top surface 11 of the housing 10. The auxiliary wheel 50 is directly connected with the telescopic assembly 70 arranged on the shell 10, so that the telescopic assembly 70 is telescopic, the auxiliary wheel 50 can be directly driven to be close to or far away from the pipeline, and therefore the pipeline cleaning vehicle 100 can freely advance in pipelines with different pipe diameters, and the flexibility of the pipeline cleaning vehicle 100 is improved.

In some embodiments, the number of the auxiliary wheels 50 may be one, one auxiliary wheel 50 is centrally disposed in the middle of the top of the housing 10, the number of the auxiliary wheels 50 may also be two, and may also be four, six, eight, ten, etc., and the auxiliary wheels 50 may also be disposed on the top surface 11 and the side surfaces of the housing 10 at the same time, or may also be disposed on one of the top surface 11 and the side surfaces. It should be noted that, in order to ensure that the pipe cleaning cart 100 can keep balance during the forward movement, the auxiliary wheels 50 are preferably arranged in pairs and symmetrically, so as to avoid the situation that the pipe cleaning cart 100 is unbalanced during the forward movement, and improve the balance performance of the pipe cleaning cart 100.

When the auxiliary wheel 50 is disposed at the side of the housing 10, the two auxiliary wheels 50 are respectively disposed at two opposite sidewalls of the housing 10, and at this time, the telescopic assembly 70 is extended and contracted from bottom to top in the telescopic direction of the telescopic assembly 70, so as to drive the auxiliary wheel 50 to ascend or descend relative to the housing 10. When the auxiliary wheels 50 are disposed on the top surface 11 of the housing 10, the two auxiliary wheels 50 are respectively disposed on two opposite sides of the top surface 11 of the housing 10, and the extending and retracting direction of the extending and retracting assembly 70 extends and retracts from the middle of the housing 10 to the sides, so as to drive the auxiliary wheels 50 to extend or retract relative to the two sides of the housing 10.

In some embodiments, a pressure sensor is further disposed on the auxiliary wheel 50, the pressure sensor (not shown) is used for detecting a pressure change between the auxiliary wheel 50 and the inner wall of the pipeline, the pressure value between the auxiliary wheel 50 and the inner wall of the pipeline, which is acquired by the pressure sensor, is converted into an electrical signal, and is transmitted to a controller (not shown) in an electrical control element of the pipeline cleaning vehicle 100, and the controller further adjusts the telescopic distance of the telescopic assembly 30 according to the pressure value, so as to adjust the distance between the auxiliary wheel 50 and the housing 10, so that the pipeline cleaning vehicle 100 can flexibly adapt to inner diameters of different pipelines, and flexibility and universality of the pipeline cleaning vehicle 100 are improved. The specific control process of the controller is as follows: the controller is provided with a first threshold value and a second threshold value, the pressure sensor transmits the pressure value of the auxiliary wheel 50 to the controller, the controller judges whether the pressure value is between the first threshold value and the second threshold value after receiving the pressure signal transmitted by the pressure sensor, when the pressure value is smaller than the first threshold value, the inner diameter of the pipeline is enlarged, the auxiliary wheel 50 is not abutted to the inner wall of the pipeline, and the controller controls the telescopic assembly 70 to extend out, so that the auxiliary wheel 50 is abutted to the inner wall of the pipeline; when the pressure value is greater than the second threshold value, it indicates that the pressure of the auxiliary wheel 50 is too large, i.e. the inner diameter of the pipeline becomes smaller, and the controller controls the retraction assembly 70 to retract.

Referring to fig. 3, in an embodiment of the present invention, the telescopic assembly 70 includes a fixed body 71 and a movable body 73 movably connected to the fixed body 71, the fixed body 71 is fixedly connected to the housing 10, the movable body 73 is connected to the auxiliary wheel 50, and the auxiliary wheel 50 rotates relative to the movable body 73.

The utility model discloses an embodiment, the fixed body 71 of flexible subassembly 70 is fixed with casing 10, and auxiliary wheel 50 is connected with activity body 73, and when activity of activity body 73 relatively fixed body 71, it is movable with the auxiliary wheel 50 relatively fixed body 71 that the activity body 73 is connected to drive simultaneously. Specifically, the telescopic assembly 70 may be configured as a linear motor, and the fixed body 71 and the movable body 73 are respectively formed as a motor structure 711 and a sliding table structure of the linear motor, or the telescopic assembly 70 may be configured as a driving cylinder or a hydraulic cylinder, and the fixed body 71 and the movable body 73 are formed as a cylinder body and a piston rod structure.

For example, when the telescopic assembly 70 is composed of a linear motor, the motor structure 711 of the linear motor can be detachably fixed to the housing 10, the sliding table structure of the linear motor is movably connected with the motor structure 711 through the screw 713, the auxiliary wheel 50 can be rotatably connected to the sliding table structure of the linear motor, when the motor structure 711 of the linear motor drives the sliding table structure of the linear motor to move, the auxiliary wheel 50 connected with the sliding table structure is further driven to be close to or far away from the housing 10, so that the auxiliary wheel 50 abuts against the inner wall of the pipeline, and the telescopic assembly is suitable for cleaning pipelines with different pipe diameters.

For another example, when the telescopic assembly 70 is formed by an air cylinder, the cylinder body of the air cylinder can be connected to the housing 10, and one end of the piston rod is connected to the auxiliary wheel 50, so that when the piston rod reciprocates relative to the cylinder body, the auxiliary wheel 50 can be pushed or pulled to move away from or close to the housing 10, so that the auxiliary wheel 50 is abutted against the inner wall of the pipeline, and the pipeline cleaning device is suitable for cleaning pipelines with different pipe diameters.

In some embodiments, the retractable assembly 70 may also be a non-electrically controlled structure, for example, an elastic structure, such as an arc-shaped elastic steel sheet or a spring assembly, one end of the elastic structure is connected to the auxiliary wheel 50, and the other end of the elastic structure abuts against the surface of the housing 10, so as to control the auxiliary wheel 50 to approach or depart from the housing 10 by compressing the elastic structure.

Referring to fig. 1 and 2, in an embodiment of the present invention, a fixing groove 111 is disposed on the top surface 11 and/or the side surface of the housing 10, the fixing groove 111 extends along the extending direction of the extending and retracting component 70, the fixing body 71 is fixed in the fixing groove 111, and the movable body 73 reciprocates in the extending direction of the fixing groove 111.

In the present embodiment, the fixing grooves 111 are provided on the top surface 11 and/or the side surface of the housing 10. Thus, the retractable assembly 70 is conveniently accommodated in the fixing groove 111, when the retractable assembly 70 is a linear motor, the motor structure 711 is fixed to the fixing groove 111 and one end far away from the side edge of the housing 10, specifically, a mounting hole 113 is formed in a groove wall (not labeled) at one end of the fixing groove 111 far away from the side edge of the housing 10, the motor structure 711 is provided with the mounting hole 113, the motor structure 711 is detachably fixed to the groove wall of the fixing groove 111 through a connecting member (not labeled) in cooperation with the mounting hole 113 and the connecting hole, a bearing is installed on the groove wall at one end of the fixing groove 111 near the side edge of the housing 10, an output shaft of the motor structure 711 is a lead screw 713, the other end of the lead screw 713 is inserted into the bearing 115, the sliding table structure is arranged on the lead screw 713, when the motor structure 711 drives the lead screw 713 to rotate in the forward and reverse directions, the sliding table structure connected with the lead, so that the auxiliary wheel 50 is abutted against the inner wall of the pipeline and is suitable for cleaning pipelines with different pipe diameters. The connecting member may be a screw, a pin, a combination of a bolt and a nut, or the like. In the present embodiment, both the motor structure and the cylinder structure are waterproof structures, or a waterproof cover (not shown) is provided to cover the motor structure and the cylinder body of the cylinder.

Referring to fig. 1 and 2, in an embodiment of the present invention, the movable body 73 includes a movable body 731 and a connecting shaft 733 protruding from the surface of the movable body 731, the connecting shaft 733 extends out of the notch of the fixing groove 111, and the auxiliary wheel 50 is rotatably inserted into the connecting shaft 733.

The utility model discloses an embodiment, when flexible subassembly 70 is linear electric motor, activity body 731 is the slip table structure body promptly, and the protruding connecting axle 733 that is equipped with in slip table structure body surface. Usually, the sliding table structure body is substantially a square structure, a through hole (not labeled) is formed inside the sliding table structure body, and a thread structure matched with the screw rod 713 is formed on a side wall of the through hole, so that when the motor structure 711 drives the screw rod 713 to rotate in the forward and reverse directions, the sliding table structure body is engaged with the thread on the screw rod 713, and the sliding table structure is driven to move on the screw rod 713, so as to drive the connecting shaft 733 protruding from the surface of the sliding table structure body to move, that is, the auxiliary wheel 50 rotatably connected with the connecting shaft 733 is also driven to move.

Referring to fig. 1 and 2, in an embodiment of the present invention, the side wall of the connecting shaft 733 is provided with a limiting platform 7331, the pipeline cleaning cart 100 further includes a limiting component 80, the limiting component 80 is connected to the connecting shaft 733, and the auxiliary wheel 50 is located between the limiting platform 7331 and the limiting component 80.

The utility model discloses an embodiment, in order to ensure the fixed fastness of auxiliary wheel 50, through set up spacing boss at the lateral wall of connecting axle 733, parallelly connected with locating part 80, restrict auxiliary wheel 50 axial upper position to ensure that auxiliary wheel 50 is ascending can not take place to remove. The outer diameter of the restricting table 7331 is larger than the hole diameter of the shaft hole 51 of the auxiliary wheel 50, the restricting member 80 may be a metal washer, a bearing, or the like, and the outer diameter of the restricting member 80 is also larger than the hole diameter of the shaft hole 51 of the auxiliary wheel 50.

In order to ensure the stability of the fixing of the limiting member 80 and the connecting shaft 733, a limiting portion 7333 may be further disposed on a side wall of an end portion of the connecting shaft 733 away from the movable body 731, and the limiting member 80 is fixed to the limiting portion 7333 and abuts against a surface of the auxiliary wheel 50 away from the movable body 731. The limiting portion 7333 may be a limiting groove, a limiting protrusion, or the like, and may be any structure that can be fixed to the limiting member 80 and limit the axial displacement of the auxiliary wheel 50, which is not illustrated here.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a pipeline cleaning vehicle, pipeline cleaning vehicle is equipped with the shower nozzle before, its characterized in that, pipeline cleaning vehicle includes:

a housing;

a driving wheel; the driving wheel is arranged at the bottom of the shell;

2. The pipeline cleaning vehicle of claim 1, wherein the telescopic assembly comprises a fixed body and a movable body movably connected to the fixed body, the fixed body is fixedly connected to the housing, the movable body is connected to the auxiliary wheel, and the auxiliary wheel rotates relative to the movable body.

3. The pipeline cleaning vehicle of claim 2, wherein the top surface and/or the side surface of the housing is provided with a fixing groove extending in a telescopic direction of the telescopic assembly, the fixing body is fixed in the fixing groove, and the movable body reciprocates in the extending direction of the fixing groove.

4. The pipeline cleaning vehicle of claim 3 wherein the slot wall of the fixing slot is provided with a mounting hole, the fixing body is provided with a connecting hole, and the fixing body is fixed to the housing by a connecting member engaged with the mounting hole and the connecting hole.

5. The pipeline cleaning vehicle according to claim 3, wherein the movable body comprises a movable body and a connecting shaft protruding from the surface of the movable body, the connecting shaft extends out of the opening of the fixing groove, and the auxiliary wheel is rotatably inserted on the connecting shaft.

6. The pipeline cleaning vehicle of claim 5, wherein a limiting platform is convexly disposed on a sidewall of the connecting shaft, the pipeline cleaning vehicle further comprises a limiting member, the limiting member is connected to the connecting shaft, and the auxiliary wheel is disposed between the limiting platform and the limiting member.

7. The pipeline cleaning vehicle according to claim 6, wherein a limiting portion is further disposed on a side wall of an end portion of the connecting shaft facing away from the movable body, and the limiting member is fixed to the limiting portion and abuts against a surface of the auxiliary wheel facing away from the movable body.

8. The pipeline cleaning vehicle of claim 6, further comprising a pressure sensor, wherein the pressure sensor is disposed on the auxiliary wheel, and the pressure sensor is configured to detect a pressure between the auxiliary wheel and an inner wall of the pipeline.

9. The pipeline cleaning vehicle of any one of claims 1 to 8, wherein there are at least two auxiliary wheels, the two auxiliary wheels are symmetrically disposed on two sides of the housing, and each auxiliary wheel is provided with a telescopic assembly.

10. The pipeline cleaning vehicle of any one of claims 1-8, further comprising a first driving member disposed within the housing, wherein an output shaft of the first driving member extends out of the housing to be drivingly connected to the drive wheel.