CN214467052U

CN214467052U - Pipeline running device

Info

Publication number: CN214467052U
Application number: CN202120296698.1U
Authority: CN
Inventors: 王建业; 傅书训
Original assignee: Foshan Huachanneng Gas Design Co ltd
Current assignee: Foshan Huachanneng Gas Design Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-22
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a pipeline walking device, which comprises an installation main body and a walking mechanism arranged on the installation main body and used for the installation main body to walk in a pipeline, wherein the walking mechanism comprises two groups of supporting components symmetrically arranged at two ends of the installation main body and a driving mechanism arranged between the two groups of supporting components; wherein, this supporting component includes three spinal branch vaulting poles, three spinal branch vaulting poles along circumferencial direction evenly distributed, the one end of bracing piece articulates the tip of installation main part, the other end is provided with the gyro wheel, and this actuating mechanism is used for adjusting the radial support height of bracing piece. The device can carry on and measure the host computer and walk in the pipeline, not only can effectively prevent to measure the inside friction that takes place of host computer and pipeline, has avoided measuring the host computer and has taken place wearing and tearing, has improved the life of measuring the host computer, but also can effectively reduce the frictional force between the device and the pipeline, has labour saving and time saving's characteristics.

Description

Pipeline running device

Technical Field

The utility model relates to a technical field is surveyed to the pipeline, concretely relates to pipeline running gear.

Background

With the continuous development of economy, city construction is also continuously followed up, and underground pipelines are widely distributed, so that the urban underground environment is more and more complex. Underground pipelines are influenced by the surrounding environment, and the pipelines need to pass through railways, riverways or people dense areas where road surfaces cannot be excavated in many times, so that the underground pipelines are paved by using a directional drilling construction technology more and more commonly. With the wide application of the directional drilling technology, a pipeline large burial depth positioning technology specially used for detection is derived.

When carrying out three-dimensional location to the overhead pipe and examining, application publication No. CN 110116932A's utility model patent application discloses a threading apparatus for measuring pipeline three-dimensional coordinate, and this threading apparatus is when using, ties up special U-shaped light plastic bag with kov and puts into the one end of pipeline, sheathes in the pullover at the mouth of pipe, aims at the big hole of pullover to the air-blower of being connected with the battery toward orificial U-shaped bag blast air, is blown to the other end of pipeline until U-shaped bag, and the threading is ended so far. Connecting a Kevlar wire which is threaded in a pipeline with a traction steel rope, replacing the traction steel rope in the pipeline, connecting the traction steel rope with a measuring host, pulling the measuring host to slide from one end of the pipeline to the other end, dragging the measuring host through the traction steel rope and passing the measuring host in the pipeline back and forth, and finishing data acquisition so as to obtain the spatial three-dimensional attitude of the pipeline. Although the threading apparatus has the characteristics of simplicity and convenience, the following defects still exist:

1. when the traction measurement host moves in the pipeline, the measurement host can rub with the interior of the pipeline, so that the measurement host is abraded, and the service life of the measurement host is influenced.

2. When the traction measurement host computer moves in the pipeline, the measurement host computer can rub with the interior of the pipeline, and when the traction measurement host computer pulls, the friction force needs to be overcome, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that above-mentioned exists, provide a pipeline running gear, the device can carry on and measure the host computer and walk in the pipeline, not only can effectively prevent to measure the inside friction that takes place of host computer and pipeline, has avoided measuring the host computer and has taken place wearing and tearing, has improved the life of measuring the host computer, but also can effectively reduce the frictional force between device and the pipeline, has labour saving and time saving's characteristics.

The purpose of the utility model is realized through the following technical scheme:

a pipeline walking device comprises an installation main body and a walking mechanism which is arranged on the installation main body and used for the installation main body to walk in a pipeline, wherein,

the walking mechanism comprises two groups of supporting components which are symmetrically arranged at two ends of the mounting main body and a driving mechanism arranged between the two groups of supporting components; wherein, this supporting component includes three spinal branch vaulting poles, three spinal branch vaulting poles along circumferencial direction evenly distributed, the one end of bracing piece articulates the tip of installation main part, the other end is provided with the gyro wheel, and this actuating mechanism is used for adjusting the radial support height of bracing piece.

The working principle of the pipeline walking device is as follows:

the during operation can be with measuring the host computer and carry on in installation main part, adjusts the radial support height of bracing piece through actuating mechanism for three spinal branch vaulting poles at every end of installation main part outwards open or inwards shrink, and when the gyro wheel on the bracing piece supports tightly inside the pipeline, when needs measured the pipeline, only need promote pipeline running gear and move in the pipeline, can drive the smooth translation of installation main part on the pipeline under the roll of gyro wheel, and then realize measuring the removal of host computer. By the arrangement of the mechanism, the measuring host does not contact with the inner wall of the pipeline in the moving process, so that the friction between the measuring host and the interior of the pipeline can be effectively prevented, the abrasion of the measuring host is avoided, and the service life of the measuring host is prolonged; through setting up the gyro wheel, reduced the frictional force of pipeline with the gyro wheel effectively, the motion of the pipeline running gear of being convenient for plays the effect of labour saving and time saving.

The utility model discloses a preferred scheme, wherein, actuating mechanism is synchronous actuating mechanism, including two sliding sleeve in the middle part of installation main part, the connecting rod that sets up between every bracing piece and every sliding sleeve and be used for driving two sliding sleeve and make mutual keeping away from and the drive sleeve that is close to each other along the axis of installation main part that the symmetry set up; the sliding sleeve is sleeved on the mounting main body; one end of the connecting rod is hinged with the middle part of the supporting rod, and the other end of the connecting rod is connected with the end part of the sliding sleeve; the driving sleeve is sleeved on the two sliding sleeves and is in threaded fit with the two sliding sleeves, and the thread turning directions of the two sliding sleeves are opposite. Adopt above-mentioned structure, because two sliding sleeve's screw thread revolves to opposite, when rotating the drive sleeve, under the cooperation of screw thread, can drive two sliding sleeve simultaneously and do the motion of keeping away from each other and being close to each other along the axis of installation main part, when two sliding sleeve do the motion of keeping away from each other, drive the connecting rod motion, and the connecting rod can drive and can swing on the installation main part the bracing piece, realizes that all bracing pieces do and outwards open in step, makes the gyro wheel support tightly on the pipeline inner wall. Through setting up above-mentioned synchronous drive mechanism, can realize the synchro-control of bracing piece, make the utility model provides a pipeline running gear can adapt to the pipeline of more not equidimensions, not only improves the regulation precision of bracing piece for the installation main part can be located pipeline central point and puts, plays good supporting role in the pipeline, thereby the stability of walking.

Preferably, the connecting rod is an elastic self-adaptive connecting rod and comprises a first connecting rod hinged to the middle of the supporting rod, a second connecting rod hinged to the end of the sliding sleeve, a guide rod arranged between the first connecting rod and the second connecting rod, and a self-adaptive spring sleeved on the guide rod, wherein a guide hole is formed in the tail end of the first connecting rod, one end of the guide rod is in sliding fit with the guide hole, and the other end of the guide rod is fixedly connected to the tail end of the second connecting rod; the one end that is close to the guiding hole of guide bar is equipped with spacing portion, self-adaptation spring one end acts on the head rod, and the other end acts on the second connecting rod, under self elasticity of self-adaptation spring, spacing portion support tightly on the guiding hole. By the aid of the mechanism, on one hand, the supporting rod can be in elastic contact with the inner wall of the pipeline, and further the roller can be in elastic contact with the inner wall of the pipeline, so that the roller can be in contact with the inner wall of the pipeline all the time, a good buffering effect is achieved on the installation main body and the pipeline, and damage to the device is avoided; on the other hand can guarantee that pipeline running gear walks smoothly on the pipeline, when there is barrier or pipeline inner wall unevenness in pipeline inner wall, through setting up elasticity self-adaptation connecting rod, can be according to actual conditions, the swing height of self-adaptation regulating stay bar to be favorable to pipeline running gear to be able to cross the barrier or walk smoothly on the pipeline inner wall of unevenness, improved pipeline running gear and used the flexibility.

Further, the guide bar passes through thread fixed connection with the second connecting rod, and its aim at, through threaded connection, on the one hand the connection fixity is good, and on the other hand can be through the length of screw thread adjustment guide bar to realize the regulation of guide bar sliding stroke, thereby improved the buffer displacement of bracing piece.

Furthermore, the relative one end of head rod and second connecting rod all is equipped with the holding tank, the guiding hole sets up on the holding tank that is located the head rod, and with this holding tank intercommunication, is located and is equipped with the screw hole on the holding tank of second connecting rod, the guiding rod with the screw hole cooperation is connected, the one end of self-adaptation spring acts on the holding tank of head rod, and the other end acts on the holding tank of second connecting rod. Can avoid self-adaptation spring to expose outside through setting up the holding tank, play certain guard action, also make the structure compacter in addition.

Preferably, a first guide assembly for guiding the sliding sleeve to move on the mounting body along the axial direction thereof is arranged between the sliding sleeve and the mounting body, and the first guide assembly comprises a plurality of guide grooves arranged on the mounting body in parallel and a sliding part arranged on the sliding sleeve and matched with the guide grooves in a sliding manner, wherein the guide grooves extend along the axial direction of the mounting body. Through setting up first direction subassembly, can guarantee on the one hand that sliding sleeve moves towards its axis direction on the installation main part to prevented that sliding sleeve from taking place to rotate on the installation main part, on the other hand also can guarantee the stability of sliding sleeve motion.

Furthermore, be equipped with on sliding sleeve's the side and prevent sliding sleeve takes place the positioning bolt that removes in the installation main part, its advantage lies in, has prevented that the bracing piece from receiving under the reverse acting force of pipeline for sliding sleeve takes place to remove in the installation main part, guarantees sliding sleeve's position unchangeable, has improved the support performance of bracing piece.

Preferably, a second guide assembly for guiding the driving sleeve to rotate in place is arranged between the mounting main body and the driving sleeve, and the second guide assembly comprises an annular guide chute arranged on the inner wall of the driving sleeve and an annular guide part arranged on the outer wall of the mounting main body and in sliding fit with the annular guide chute. Through setting up the second direction subassembly, can guarantee that driving sleeve rotates in the original place, prevent effectively that driving sleeve from taking place axial displacement, and then guarantee that sliding sleeve carries out synchronous motion.

Preferably, the bracing piece is articulated through the articulated shaft with the connecting rod, be equipped with on this bracing piece a plurality of with articulated shaft complex hinge hole, a plurality of hinge holes are arranged along the direction that the bracing piece extends, and its benefit lies in, through setting up a plurality of hinge holes, can change connecting rod and bracing piece articulated position according to actual conditions, has improved the flexibility of bracing piece altitude mixture control.

Preferably, both ends of the mounting body are provided with annular buckles for fixing the traction rope. Through setting up the annular and detaining, can tie up the haulage rope in the annular is detained, through at the pulling haulage rope, alright in order to realize the motion of pipeline running gear in the pipeline.

Preferably, the installation main part is the installation pipe, haulage rope in the pipeline passes from this installation pipe, the both ends of installation pipe are equipped with and are used for carrying out the tight clamping mechanism that presss from both sides with the haulage rope in the installation pipe, clamping mechanism is including setting up a plurality of toper clamp pieces of installation pipe tip and be used for adjusting a plurality of toper clamp pieces compress tightly or the gland nut that outwards unclamps each other inwards, and wherein, a plurality of toper clamp pieces evenly distributed along the circumferencial direction, this gland nut pass through threaded connection the tip of installation pipe, the last gland nut that is equipped with of gland nut compresses tightly the through-hole, and a plurality of toper clamp pieces support tightly on the gland through-hole. Through setting up above-mentioned mechanism, when the haulage rope passes from the installation pipe, through adjusting gland nut for gland nut is by the motion of installation pipe middle part, and the in-process of motion compresses tightly the through-hole and constantly extrudees a plurality of toper and presss from both sides tight piece, makes a plurality of toper press from both sides tight piece and inwards extrudees, fixes the haulage rope and compresses tightly. The traction rope is clamped through the clamping mechanism, and the pipeline walking device can be driven to move on the pipeline by pulling the traction rope, so that the position of the pipeline walking device on the pipeline can be adjusted, and the pipeline can be conveniently measured. Through setting up clamping mechanism at the both ends of installation main part, when the arbitrary one end pulling haulage rope of pipeline, can both guarantee more stable of pipeline running gear motion in the pipeline. When the haulage rope is required to be taken down from the installation pipe, the nut is pressed in a reverse rotation mode, and the haulage rope can be loosened.

Furthermore, the side of gland nut also is equipped with and prevents the not hard up positioning bolt of gland nut, and its benefit lies in, prevents that the toper from pressing from both sides tight piece under self elastic action for gland nut takes place the displacement, guarantees that the toper presss from both sides tight piece and can compress tightly the haulage rope.

Preferably, a plurality of rocker arms are arranged on the side surface of the driving sleeve and are uniformly distributed along the circumferential direction. Through setting up the rocking arm, can rotate through rocking arm drive sleeve, play laborsaving effect, and it is more convenient to use.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model provides a pipeline running gear, adjust the radial support height of bracing piece through actuating mechanism, make three spinal branch vaulting poles of every end of installation main part outwards open or inwards shrink, make the gyro wheel on the bracing piece can support tightly when the pipeline is inside, when needs measure the pipeline, only need promote pipeline running gear and move in the pipeline, can drive installation main part smooth translation on the pipeline under the roll of gyro wheel, and then realize the removal of measuring the host computer, at the measuring the host computer at the removal in-process, because can not contact with the pipeline inner wall, can prevent effectively that measuring the host computer and the inside friction that takes place of pipeline, avoided measuring the host computer to take place wearing and tearing, the life of measuring the host computer has been improved.

2. In the pipeline walking device, each end of the mounting main body is provided with the three supporting rods which are uniformly distributed along the circumferential direction, so that the supporting stability of the mounting main body in the pipeline can be improved on the one hand; on the other hand for pipeline running gear rotates on arbitrary direction, should homoenergetic support pipeline running gear inside the pipeline, has improved the convenience of using.

3. The utility model provides a pipeline running gear through setting up the gyro wheel, has reduced the frictional force of pipeline with the gyro wheel effectively, and the motion of the pipeline running gear of being convenient for plays the effect of labour saving and time saving.

Drawings

Fig. 1 to fig. 3 are schematic structural views of a first embodiment of a pipe running device according to the present invention, in which fig. 1 is a perspective view, fig. 2 is a perspective view of another view angle direction, and fig. 3 is a top view.

Fig. 4 is a sectional view taken along a-a in fig. 3.

Fig. 5 is a partially enlarged view of fig. 2 at B.

Fig. 6 is a partially enlarged view at C in fig. 4.

Fig. 7 is a schematic perspective view of the sliding sleeve according to the present invention.

Fig. 8 is a schematic perspective view of a driving sleeve according to the present invention.

Fig. 9 to 10 are schematic structural views of another embodiment of the pipe running device according to the present invention, in which fig. 9 is a perspective view and fig. 10 is an internal structural view.

Fig. 11 is a schematic perspective view of the mounting tube of the present invention.

Fig. 12 is a schematic perspective view of the compression nut of the present invention.

Detailed Description

In order to make those skilled in the art understand the technical solution of the present invention well, the present invention will be further described below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1 to 4, the present embodiment discloses a pipeline walking device, which includes an installation main body 1 and a walking mechanism disposed on the installation main body 1 for walking the installation main body 1 in a pipeline.

The installation main body 1 is a tubular structure, a measurement main machine 10 (or beacon) 10 for measuring the position of a pipeline is arranged in the installation main body, and annular buckles 9 for fixing a traction rope 8 are arranged at two ends of the installation main body. Through setting up annular knot 9, can tie up haulage rope 8 in annular knot 9, through at pulling haulage rope 8, alright in order to realize the motion of pipeline running gear in the pipeline.

Referring to fig. 1-4, the traveling mechanism includes two sets of supporting components 2 symmetrically disposed at two ends of the mounting body 1 and a driving mechanism 3 disposed between the two sets of supporting components 2; the supporting component 2 comprises three supporting rods 2-1, the three supporting rods 2-1 are uniformly distributed along the circumferential direction, one end of each supporting rod 2-1 is hinged to the end of the mounting main body 1, the other end of each supporting rod is provided with a roller 4, and the driving mechanism 3 is used for adjusting the radial supporting height of the supporting rod 2-1.

In the pipe running device in this embodiment, the radial supporting height of the supporting rods 2-1 is adjusted by the driving mechanism 3, so that the three supporting rods 2-1 at each end of the installation main body 1 are outwardly expanded or inwardly contracted, and the rollers 4 on the supporting rods 2-1 can be tightly supported inside a pipe, when the pipe needs to be measured, the pipe running device is only required to be pushed to move inside the pipe, the installation main body 1 can be driven to smoothly move on the pipe by the rolling of the rollers 4, so that the measurement host 10 can be moved, and in the moving process of the measurement host 10, the measurement host 10 can be effectively prevented from rubbing against the inside of the pipe due to the fact that the measurement host 10 does not contact with the inner wall of the pipe, the abrasion of the measurement host 10 is avoided, and the service life of the measurement host 10 is prolonged.

In addition, in the embodiment, each end of the installation main body 1 is provided with three support rods 2-1, and the three support rods 2-1 are uniformly distributed along the circumferential direction, so that the support stability of the installation main body 1 in the pipeline can be improved; on the other hand, the pipeline walking device can be supported in the pipeline by rotating in any direction, so that the use convenience is improved; in addition, the roller 4 is arranged, so that the friction force between the pipeline and the roller 4 is effectively reduced, the pipeline walking device is convenient to move, and the effects of saving time and labor are achieved; moreover, through setting up annular at the both ends of installation main part 1 and detaining 9, when the arbitrary one end pulling haulage rope of pipeline, can both guarantee the more stable of pipeline running gear motion in the pipeline.

Referring to fig. 1-4, the driving mechanism 3 is a synchronous driving mechanism 3, and includes two sliding sleeves 3-1 symmetrically disposed in the middle of the mounting body 1, a connecting rod 3-2 disposed between each supporting rod 2-1 and each sliding sleeve 3-1, and a driving sleeve 3-3 for driving the two sliding sleeves 3-1 to move away from and close to each other along the axis of the mounting body 1; the sliding sleeve 3-1 is sleeved on the mounting main body 1; one end of the connecting rod 3-2 is hinged with the middle part of the supporting rod 2-1, and the other end of the connecting rod is connected with the end part of the sliding sleeve 3-1; the driving sleeve 3-3 is sleeved on the two sliding sleeves 3-1, the driving sleeve 3-3 is matched with the two sliding sleeves 3-1 through threads, and the thread turning directions of the two sliding sleeves 3-1 are opposite. By adopting the structure, because the screw thread turning directions of the two sliding sleeves 3-1 are opposite, when the driving sleeve 3-3 is rotated, the two sliding sleeves 3-1 can be synchronously driven to move away from and close to each other along the axis of the mounting main body 1 under the matching of the screw threads, when the two sliding sleeves 3-1 move away from each other, the connecting rod 3-2 is driven to move, and the connecting rod 3-2 can drive the supporting rod 2-1 to swing on the mounting main body 1, so that all the supporting rods 2-1 can synchronously and outwards open, and the roller 4 is enabled to be tightly propped against the inner wall of the pipeline. Through setting up above-mentioned synchronous drive mechanism 3, can realize the synchro-control of bracing piece 2-1, make the utility model provides a pipeline running gear can adapt to more not equidimension pipelines, not only improves bracing piece 2-1's regulation precision for installation main part 1 can be located pipeline central point and puts, plays good supporting role in the pipeline, thereby the stability of walking.

Referring to fig. 4-6, the connecting rod 3-2 is an elastic adaptive connecting rod, and includes a first connecting rod 3-21 hinged to the middle of the supporting rod 2-1, a second connecting rod 3-22 hinged to the end of the sliding sleeve 3-1, a guide rod 3-23 disposed between the first connecting rod 3-21 and the second connecting rod 3-22, and an adaptive spring 3-24 sleeved on the guide rod 3-23, wherein the end of the first connecting rod 3-21 is provided with a guide hole 3-211, one end of the guide rod 3-23 is slidably engaged with the guide hole 3-211, and the other end is fixedly connected to the end of the second connecting rod 3-22; one end of the guide rod 3-23 close to the guide hole 3-211 is provided with a limiting part 3-231, one end of the self-adaptive spring 3-24 acts on the first connecting rod 3-21, the other end acts on the second connecting rod 3-22, and under the self elasticity of the self-adaptive spring 3-24, the limiting part 3-231 is tightly propped against the guide hole 3-211. By arranging the mechanism, on one hand, the support rod 2-1 can be in elastic contact with the inner wall of the pipeline, and further the roller 4 can be in elastic contact with the inner wall of the pipeline, so that the roller 4 can be always in contact with the inner wall of the pipeline, a good buffering effect is achieved on the installation main body 1 and the pipeline, and the damage of the device is avoided; on the other hand, the pipeline walking device can be guaranteed to walk on the pipeline smoothly, when the inner wall of the pipeline is provided with obstacles or the inner wall of the pipeline is not flat, the swing height of the supporting rod 2-1 can be adjusted in a self-adaptive mode according to actual conditions by arranging the elastic self-adaptive connecting rod 3-2, so that the pipeline walking device can cross the obstacles or walk on the inner wall of the pipeline which is not flat smoothly, and the use flexibility of the pipeline walking device is improved.

Referring to fig. 6, the guide rods 3-23 are fixedly connected with the second connecting rods 3-22 through threads, and the purpose is that the connection fixity is good through the threaded connection, and the length of the guide rods 3-23 can be adjusted through the threads, so that the adjustment of the sliding stroke of the guide rods 3-23 is realized, and the buffer displacement of the support rod 2-1 is improved.

Referring to fig. 6, the opposite ends of the first connecting rod 3-21 and the second connecting rod 3-22 are respectively provided with a receiving groove 3-25, the guide holes 3-211 are arranged on the receiving grooves 3-25 of the first connecting rod 3-21 and are communicated with the receiving grooves 3-25, the receiving grooves 3-25 of the second connecting rod 3-22 are provided with threaded holes 3-221, the guide rods 3-23 are connected with the threaded holes 3-221 in a matching manner, one end of the self-adaptive spring 3-24 acts on the receiving groove 3-25 of the first connecting rod 3-21, and the other end of the self-adaptive spring acts on the receiving groove 3-25 of the second connecting rod 3-22. The self-adaptive springs 3-24 can be prevented from being exposed outside by arranging the accommodating grooves 3-25, a certain protection effect is achieved, and in addition, the structure is more compact.

Referring to fig. 5 and 7, a first guide assembly for guiding the sliding sleeve 3-1 to move on the mounting body 1 along the axial direction thereof is arranged between the sliding sleeve 3-1 and the mounting body 1, and the first guide assembly comprises two guide grooves 1-1 arranged on the mounting body 1 in parallel and a sliding part 3-11 arranged on the sliding sleeve 3-1 and in sliding fit with the guide grooves 1-1, wherein the guide grooves 1-1 extend along the axial direction of the mounting body 1. By providing the first guide assembly, it is ensured that the sliding sleeve 3-1 moves on the mounting body 1 in the direction of its axis, thereby preventing the sliding sleeve 3-1 from rotating on the mounting body 1, and that the stability of the movement of the sliding sleeve 3-1 is ensured.

Referring to fig. 2, the positioning bolt 6 for preventing the sliding sleeve 3-1 from moving on the mounting body 1 is arranged on the side surface of the sliding sleeve 3-1, which has the advantages that the supporting rod 2-1 is prevented from being subjected to the reverse acting force of the pipeline, so that the sliding sleeve 3-1 moves on the mounting body 1, the position of the sliding sleeve 3-1 is ensured to be unchanged, and the supporting performance of the supporting rod 2-1 is improved.

Referring to fig. 5 and 8, a second guiding assembly for guiding the driving sleeve 3-3 to rotate in place is arranged between the mounting body 1 and the driving sleeve 3-3, and the second guiding assembly comprises an annular sliding guide groove 3-31 arranged on the inner wall of the driving sleeve 3-3 and an annular guiding part 1-2 arranged on the outer wall of the mounting body 1 and in sliding fit with the annular sliding guide groove 3-31. By arranging the second guide assembly, the driving sleeve 3-3 can be ensured to rotate in situ, the driving sleeve 3-3 is effectively prevented from axially moving, and the sliding sleeve 3-1 is further ensured to synchronously move.

Referring to fig. 3 and 6, the support rod 2-1 is hinged to the connecting rod 3-2 by a hinge shaft 3-4, the support rod 2-1 is provided with a plurality of hinge holes 2-11 engaged with the hinge shaft 3-4, and the plurality of hinge holes 2-11 are arranged along the extending direction of the support rod 2-1, which is advantageous in that the position where the connecting rod 3-2 is hinged to the support rod 2-1 can be changed according to actual conditions by providing the plurality of hinge holes 2-11, thereby improving the flexibility of height adjustment of the support rod 2-1.

Referring to fig. 2, 3 and 8, three rocker arms 7 are arranged on the side surface of the driving sleeve 3-3, and the three rocker arms 7 are uniformly distributed along the circumferential direction. By arranging the rocker arm 7, the driving sleeve 3-3 can be driven to rotate through the rocker arm 7, the labor-saving effect is achieved, and the use is more convenient.

Referring to fig. 1 to 4, the working principle of the pipeline running gear is as follows:

during operation, the measuring main machine 10 can be carried on the installation main body 1, the radial supporting height of the supporting rods 2-1 is adjusted through the driving mechanism 3, so that the three supporting rods 2-1 at each end of the installation main body 1 are outwards expanded or inwards contracted until the rollers 4 on the supporting rods 2-1 are tightly abutted to the inside of a pipeline, when the pipeline needs to be measured, the pipeline running device is only required to be pushed to move in the pipeline, the installation main body 1 can be driven to smoothly and smoothly move on the pipeline under the rolling of the rollers 4, and then the movement of the measuring main machine 10 is realized. By arranging the mechanism, the measuring main machine 10 cannot contact with the inner wall of the pipeline in the moving process, so that the friction between the measuring main machine 10 and the interior of the pipeline can be effectively prevented, the abrasion of the measuring main machine 10 is avoided, and the service life of the measuring main machine 10 is prolonged; through setting up gyro wheel 4, reduced the frictional force of pipeline with gyro wheel 4 effectively, the motion of the pipeline running gear of being convenient for plays the effect of labour saving and time saving.

Example 2

Referring to fig. 9 to 12, the other structure in this embodiment is the same as embodiment 1, except that, the installation body 1 is an installation pipe, a traction rope 8 in the pipeline passes through the installation pipe, the two ends of the installation pipe are provided with clamping mechanisms 5 for clamping a traction rope 8 in the installation pipe, the clamping mechanism 5 comprises four conical clamping pieces 5-1 arranged at the end part of the mounting pipe and a compression nut 5-2 used for adjusting the inward compression or outward release of the four conical clamping pieces 5-1, wherein, four conical clamping sheets 5-1 are evenly distributed along the circumferential direction, the compression screw cap 5-2 is connected with the end part of the mounting tube through screw threads, the compression nut 5-2 is provided with a compression through hole 5-21, and the four conical clamping pieces 5-1 are tightly propped against the compression through hole 5-21. By the aid of the mechanism, when the traction rope 8 passes through the installation pipe, the compression nut 5-2 is adjusted to move against the middle of the installation pipe, the compression through holes 5-21 continuously extrude the four conical clamping pieces 5-1 in the moving process, the four conical clamping pieces 5-1 are inwards extruded, and the traction rope is fixedly compressed. The traction rope 8 is clamped through the clamping mechanism 5, and the pipeline walking device can be driven to move on the pipeline by pulling the traction rope, so that the position of the pipeline walking device on the pipeline can be adjusted, and the pipeline can be conveniently measured. When the hauling rope 8 needs to be taken down from the installation body 1, the pressing nut 5-2 is rotated reversely, and then the hauling rope 8 can be loosened.

Referring to fig. 2, the side of the compression nut 5-2 is also provided with a positioning bolt 6 for preventing the compression nut 5-2 from loosening, which is beneficial to prevent the conical clamping piece 5-1 from displacing the compression nut 5-2 under the self-elastic action, and ensure that the conical clamping piece 5-1 can compress the traction rope 8.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A pipeline walking device comprises an installation main body and a walking mechanism which is arranged on the installation main body and used for the installation main body to walk in a pipeline, and is characterized in that,

2. The pipe walking apparatus of claim 1, wherein the mounting body is provided at both ends thereof with a loop fastener for fixing the traction rope.

3. The pipe walking apparatus of claim 1, wherein the driving mechanism is a synchronous driving mechanism comprising two sliding sleeves symmetrically disposed at the middle portion of the mounting body, a connecting rod disposed between each supporting rod and each sliding sleeve, and a driving sleeve for driving the two sliding sleeves to move away from and approach each other along the axis of the mounting body; the sliding sleeve is sleeved on the mounting main body; one end of the connecting rod is hinged with the middle part of the supporting rod, and the other end of the connecting rod is connected with the end part of the sliding sleeve; the driving sleeve is sleeved on the two sliding sleeves and is in threaded fit with the two sliding sleeves, and the thread turning directions of the two sliding sleeves are opposite.

4. The pipe walking device of claim 3, wherein the connecting rod is an elastic adaptive connecting rod, and comprises a first connecting rod hinged to the middle of the supporting rod, a second connecting rod hinged to the end of the sliding sleeve, a guiding rod arranged between the first connecting rod and the second connecting rod, and an adaptive spring sleeved on the guiding rod, wherein the end of the first connecting rod is provided with a guiding hole, one end of the guiding rod is in sliding fit with the guiding hole, and the other end of the guiding rod is fixedly connected to the end of the second connecting rod; the one end that is close to the guiding hole of guide bar is equipped with spacing portion, self-adaptation spring one end acts on the head rod, and the other end acts on the second connecting rod, under self elasticity of self-adaptation spring, spacing portion support tightly on the guiding hole.

5. The pipe walking device according to claim 4, wherein the opposite ends of the first connecting rod and the second connecting rod are each provided with a receiving groove, the guiding hole is disposed on and communicated with the receiving groove of the first connecting rod, the receiving groove of the second connecting rod is provided with a threaded hole, the guiding rod is connected with the threaded hole, one end of the adaptive spring acts on the receiving groove of the first connecting rod, and the other end of the adaptive spring acts on the receiving groove of the second connecting rod.

6. The pipe walking apparatus of claim 3, wherein a first guiding assembly is disposed between the sliding sleeve and the mounting body for guiding the sliding sleeve to move on the mounting body along the axial direction thereof, the first guiding assembly comprises a plurality of guiding grooves disposed in parallel on the mounting body and a sliding portion disposed on the sliding sleeve and slidably engaged with the guiding grooves, wherein the guiding grooves extend along the axial direction of the mounting body.

7. The pipe walking apparatus of claim 3, wherein a second guiding assembly is disposed between the mounting body and the driving sleeve for guiding the driving sleeve to rotate in situ, and the second guiding assembly comprises an annular guiding groove disposed on an inner wall of the driving sleeve and an annular guiding portion disposed on an outer wall of the mounting body and slidably engaged with the annular guiding groove.

8. The pipe walking apparatus of claim 3, wherein the support bar is hinged to the link by a hinge shaft, and the support bar is provided with a plurality of hinge holes engaged with the hinge shaft, the plurality of hinge holes being arranged along a direction in which the support bar extends.

9. The pipe walking device of claim 1, wherein the mounting body is a mounting pipe, the traction rope in the pipe passes through the mounting pipe, clamping mechanisms for clamping the traction rope in the mounting pipe are arranged at two ends of the mounting pipe, each clamping mechanism comprises a plurality of conical clamping pieces arranged at the end of the mounting pipe and a compression nut for adjusting the plurality of conical clamping pieces to be pressed inwards or loosened outwards, the plurality of conical clamping pieces are uniformly distributed along the circumferential direction, the compression nut is connected to the end of the mounting pipe through threads, a compression through hole is formed in the compression nut, and the plurality of conical clamping pieces abut against the compression through hole.

10. The pipe walking apparatus of claim 3, wherein the driving sleeve has a plurality of swing arms on a side surface thereof, and the plurality of swing arms are uniformly distributed along a circumferential direction.