CN213846078U - Pipeline threading device - Google Patents

Abstract

The utility model relates to a pipeline threading device, it includes the dolly body, be equipped with the gyro wheel pivoted actuating mechanism who is used for driving dolly body bottom on the dolly body, still including installing the elasticity frame on the dolly body and rotating the leading wheel of connection at elasticity frame top, the direction of roll of leading wheel is syntropy with the advancing direction of dolly body, the circumference wall of leading wheel is used for the interior roof of butt pipe wall in the pipeline, the gyro wheel of dolly body bottom both sides is used for the interior diapire of butt pipe wall in the pipeline. This application has the effect that prevents that the dolly body from taking place the phenomenon of overturning in the pipeline, has improved wiring efficiency.

Description

Pipeline threading device

Technical Field

The application relates to the field of threaders, in particular to a pipeline threading device.

Background

The threading apparatus is an auxiliary tool for drawing a guide rope or a cable wire in a pipeline, and has the advantages of saving time and labor and improving the working efficiency. The threader can be used for cleaning telecommunication pipelines and laying optical cables, electric cables and plastic subducts.

Chinese patent No. CN201134647 discloses a pipeline threader, which is a miniature three-wheel traveling device with a transmission device arranged therein, wherein the traveling device is provided with a battery box in which a battery can be loaded as power, and is provided with a remote control receiving device for remotely controlling the traveling, and the tail end of the traveling device is also provided with a hanging ring; the threading apparatus is used for installing an electric wire in a pipeline, the electric wire needing to be installed is tied on a hanging ring of a travelling crane device, and the travelling crane device can be used for drawing the electric wire to arrange the wire in the pipeline needing to be installed through the command of a remote controller.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the three-wheel traveling crane device is wired in the pipeline, the three-wheel traveling crane device is positioned below the central line of the pipeline, if the inner pipe wall of the pipeline has a pit phenomenon, the three-wheel traveling crane device is easy to float up and down, and if the three-wheel traveling crane device is slightly unbalanced, the phenomenon of overturning is easy to occur, so that the wiring efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the threader overturns easily when laying wire in the pipeline, the application provides a pipeline threading device.

The application provides a pipeline threading device adopts following technical scheme:

the utility model provides a pipeline threading device, includes the dolly body, be equipped with the gyro wheel pivoted actuating mechanism who is used for driving dolly body bottom on the dolly body, still including installing the elasticity frame on the dolly body and rotating the leading wheel of connection at elasticity frame top, the direction of roll of leading wheel is the syntropy with the advancing direction of dolly body, the circumference wall of leading wheel is used for the interior roof of butt pipe wall in the pipeline, the gyro wheel of dolly body bottom both sides is used for the interior diapire of butt pipe wall in the pipeline.

Through adopting above-mentioned technical scheme, during the wiring, the operator pushes down the elastic frame, make the leading wheel move down, can put into the pipeline with the dolly body, then let out the elastic frame, utilize the elastic force of elastic frame, make the circumference wall of leading wheel and the interior pipe wall top butt of pipeline, the gyro wheel of dolly body bottom both sides and the interior pipe wall bottom butt of pipeline simultaneously, the three point location that is located pipeline radial direction to the dolly body has been realized, can stably prop up the dolly body and establish in the pipeline, the probability that the dolly body takes place to overturn has been reduced, the stability of the dolly body process of marcing has been improved, the wiring is efficient.

Optionally, the elastic frame includes an upper inclined part, a lower inclined part and a horizontal part which are connected in sequence, the guide wheel is rotatably connected to the higher end of the upper inclined part, the lower end of the upper inclined part is connected to the lower end of the lower inclined part, the higher end of the lower inclined part is connected to the horizontal part, the horizontal part is fixed to the trolley body through a connecting piece, and an arc-shaped transition surface is arranged at a connection junction between the upper inclined part and the lower inclined part.

By adopting the technical scheme, when the trolley is used, an operator applies downward pressure to the upper inclined part to enable the guide wheel to move downwards, the trolley body can be placed into the pipeline at the moment, then the upper inclined part is opened, the upper inclined part rebounds and resets after losing the external force, the circumferential wall of the guide wheel is abutted against the inner top wall of the inner pipe wall of the pipeline, three-point positioning is achieved, and the stability of the trolley body in the advancing process is improved; the elastic frame formed by adopting the structure has good stability, can stably support the guide wheel, and the elastic space is formed by enclosing the upper inclined part, the lower inclined part and the horizontal part, so that the circumferential wall of the guide wheel can be abutted against the inner top wall of the inner pipe wall of the pipeline.

Optionally, the connecting member includes a first bolt, and the horizontal portion is fixed to the upper surface of the trolley body by the first bolt.

Through adopting above-mentioned technical scheme, utilize first bolt to fix the horizontal part on the dolly body, make things convenient for dismouting horizontal part.

Optionally, be equipped with the installation component that is used for fixed leading wheel on the elastic frame, the installation component includes the mounting panel, sets up baffle on mounting panel both sides limit wall respectively, be located the installation axle between two baffles, the screw rod that links to each other with installation axle both ends and with screw rod threaded connection's first nut, the higher one end at last rake is installed through the mounting to the mounting panel, the lateral wall axle center department of leading wheel is equipped with the rotation hole that supplies the installation axle to pass, two enclose between the relative lateral wall of baffle and mounting panel and close and be formed with the rolling rotation space of confession leading wheel, two the lateral wall of baffle all is equipped with the through-hole, the screw rod pass the through-hole and with first nut threaded connection.

Through adopting above-mentioned technical scheme, during the installation, utilize the mounting to fix the mounting panel at the higher one end lateral wall of rake, will install the axle and pass baffle, extension board and leading wheel in proper order again for two screw rods pass the through-hole on two baffle lateral walls respectively, then rotatory first nut can fix the installation axle between two baffles, thereby install the leading wheel in the higher one end of last rake.

Optionally, the mounting includes second bolt, second nut, the lateral wall of mounting panel is equipped with first jack, the lateral wall of the higher one end of last rake is equipped with the second jack, the second bolt from outer to inner pass first jack, second jack in proper order and with second nut threaded connection.

Through adopting above-mentioned technical scheme, pass first jack, second jack from top to bottom with the second bolt in proper order, with second nut and second bolt threaded connection, and then can fix the top lateral wall at last rake with the mounting panel.

Optionally, the trolley body is provided with elastic frames on both sides along the length direction thereof, the higher end of the upper inclined part faces the trolley body, and the trolley body is provided with a pretensioning element for limiting the rebound of the upper inclined part and a holding assembly for holding the upper inclined part stable.

Through adopting above-mentioned technical scheme, all install the elastic frame in the both sides of dolly body, and then the top of two elastic frames is all installed and is equipped with the leading wheel, has realized that the dolly body is located the inside six points of pipeline and has positioned, has further strengthened the stability that the dolly body is located the pipeline.

The elastic allowance of the upper inclined part is limited by the pre-tensioning piece, and the upper inclined part is kept stable by the retaining assembly, so that the possibility that the guide wheel is clamped due to pits in the inner wall of the pipeline is reduced when the guide wheel rolls on the inner top wall of the inner wall of the pipeline, and the stability of the travelling process of the trolley body is improved.

Optionally, the pre-tensioning piece comprises first cable ties, the side walls of the two baffles are provided with pre-tensioning holes, and one end of each first cable tie sequentially penetrates through the two pre-tensioning holes from the bottom of the trolley body and is connected with the other end of the first cable tie.

Through adopting above-mentioned technical scheme, utilize first ribbon to fix a position the baffle, and then to the location of slope portion, and through adjusting first ribbon, the highest bounce-back distance of slope portion in the adjustable for the leading wheel can the butt at the interior roof of the interior pipe wall of different diameter pipelines, and application scope is wide.

Optionally, the retaining assembly comprises an arc plate and a support plate, the arc plate is obliquely arranged, the support plate is located between the guide wheel and the baffle plate, the support plate is rotatably connected to the mounting shaft, the higher end of the arc plate is connected with the support plate, the outer arc wall of the lower end of the arc plate is abutted to the upper surface of the trolley body, a binding piece used for limiting the overturning of the lower end of the arc plate is arranged on the trolley body, and a sliding space for the arc plate to slide is reserved between the binding piece and the upper surface of the trolley body.

By adopting the technical scheme, the lower end of the arc-shaped plate is fixed on the trolley body by the binding piece, and then the inclined part is pressed downwards; the setting of arc, extension board and ligature piece plays the direction and prevents inclined to one side effect to the position of leading wheel, utilizes the ligature piece simultaneously can prevent that the leading wheel from taking place the upset phenomenon at the roll in-process, improves the stability of dolly body process of marcing.

Optionally, a rubber ring is sleeved on the mounting shaft and between the support plate and the baffle, one side wall of the rubber ring is abutted to the side wall of the support plate, and the other side wall of the rubber ring is abutted to the side wall of the baffle.

Through adopting above-mentioned technical scheme, the rubber ring has good wear-resisting power, utilizes the rubber ring can keep invariable with the interval between extension board and the baffle, and then can avoid the leading wheel to take place the skew at the roll in-process, has improved the rolling stability of leading wheel.

Optionally, the end walls of the two sides of the trolley body are welded with supporting plates, the lower end of the lower inclined part abuts against the upper surface of the supporting plate, supporting rods are arranged on the two sides of the trolley body, the axial direction of each supporting rod is the same as the advancing direction of the trolley body, inclined rods are arranged at the two ends of each supporting rod, one ends, far away from the supporting rods, of the inclined rods are connected with the side wall of the supporting plate, and anti-deviation spaces for keeping the trolley body in a straight motion are reserved among the supporting rods, the inclined rods and the trolley body.

Through adopting above-mentioned technical scheme, utilize the backup pad to play the supporting role to the lower one end of lower rake to slope portion on steadily pushing down, when there is the barrier in the pipeline, the dolly body can the off tracking, connection juncture between branch and the down tube is contradicted with the interior pipe wall of pipeline this moment, set up branch and down tube and be the iron wire, utilize the resilience force of branch and down tube, make branch and down tube go back to the straight, and then can make the dolly body keep going straight, improved wiring efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the circumferential wall of the guide wheel is abutted to the inner top wall of the inner pipe wall of the pipeline by utilizing the elastic force of the elastic frame, so that the guide wheel is abutted to the rollers on two sides of the bottom of the trolley body, three-point positioning is realized, the trolley body can be stably supported in the pipeline, and when the trolley body travels in the pipeline, the probability of the trolley body in overturning is reduced, and the stability of the trolley body in the travelling process is improved;

2. the highest rebound distance of the upper inclined part can be adjusted by adjusting the first binding belt, so that the guide wheel can be abutted against the inner top wall of the inner pipe wall of the pipelines with different diameters, and the application range is wide;

3. when branch or down tube contradict with the interior pipe wall of pipeline, utilize the resilience force of branch and down tube, can return the dolly body just, and then make the dolly body keep going straight, improved wiring efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of a pipeline threading device according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 1.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is a sectional view taken along line B-B in fig. 1.

Fig. 6 is an enlarged view of a portion C in fig. 5.

Description of reference numerals: 1. a trolley body; 101. a base; 102. a drive shaft; 103. a roller; 104. a drive motor; 105. a battery; 106. a remote control receiving device; 2. an elastic frame; 21. an upper inclined portion; 22. a lower inclined portion; 23. a horizontal portion; 24. an arc transition surface; 25. a connecting member; 251. a first bolt; 252. connecting holes; 253. a threaded hole; 3. a guide wheel; 4. mounting the component; 41. mounting a plate; 42. a baffle plate; 43. installing a shaft; 44. a screw; 45. a first nut; 46. rotating the hole; 47. a through hole; 48. a fixing member; 481. a second bolt; 482. a second nut; 483. a first jack; 484. a second jack; 5. pre-pulling the piece; 51. a first cable tie; 52. pre-drawing a hole; 6. a holder; 61. an arc-shaped plate; 62. a support plate; 63. a binding piece; 7. a rubber ring; 8. a support plate; 9. a strut; 10. a diagonal bar; 11. a deviation preventing space; 12. and a second cable tie.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a pipeline threading device. Referring to fig. 1, the threading device includes a trolley body 1, the trolley body 1 is a remote control trolley, and in the related art, the trolley body 1 comprises a base 101, two transmission shafts 102 parallel to each other are rotatably connected in the base 101, the axial direction of the transmission shafts 102 and the width direction of the base 101 are in the same direction, the length dimension of the transmission shafts 102 is larger than the width dimension of the base 101, two ends of the transmission shafts 102 extend out of the side wall of the base 101 and are connected with rollers 103, the bottom of the base 101 is provided with a driving mechanism for driving the transmission shafts 102 to rotate, the driving mechanism comprises a driving motor 104 and a battery 105 for providing a power supply for the driving motor 104, the driving motor 104 is a speed reducing motor, the battery 105 is installed at the bottom of the base 101, the battery 105 is fixed at the bottom of the base 101 through a second ribbon 12, one side of the base 101, which is located on the battery 105, is provided with a remote control receiving device 106, and the remote control receiving device 106 is electrically connected with the driving motor 104.

When the trolley is actually used, the lead is tied and hung at the tail of the base 101, the trolley is placed in a pipeline, and a person operates the remote controller, so that the driving motor 104 provides driving force for the transmission shaft 102, the roller 103 is driven to roll, and the trolley body 1 is pulled and wired in the pipeline.

Referring to fig. 1, base 101 width direction's both sides all are equipped with branch 9, the axial of branch 9 and base 101's length direction syntropy, branch 9's both ends all are connected with down tube 10, the level of down tube 10 sets up, the one end and the branch 9 welded connection of down tube 10, the other end of down tube 10 extends to base 101 length direction's one end, base 101 is located the equal welding of both ends lateral wall of self length direction and is equipped with backup pad 8, the setting of backup pad 8 level, the one end welded connection that branch 9 was kept away from to down tube 10 is on the lateral wall of backup pad 8 base 101 dorsad.

In this embodiment, branch 9 and down tube 10 integrated into one piece set up, enclose between the relative lateral wall of branch 9 and two down tubes 10 and base 101 and close to be formed with and prevent inclined space 11, branch 9 and down tube 10 are the steel wire, certain resilience force has, when there is the barrier in the pipeline, dolly body 1 has the trend that has the off tracking, connection juncture between branch 9 and the down tube 10 is contradicted with the interior pipe wall of pipeline this moment, utilize the resilience force of branch 9 and down tube 10, make branch 9 and down tube 10 return, and then can make dolly body 1 keep the craspedodrome, wiring efficiency has been improved.

Referring to fig. 1, the two ends of the base 101 are respectively provided with the elastic frames 2, the two elastic frames 2 respectively correspond to the two transmission shafts 102 one by one, the top of the elastic frame 2 is rotatably connected with the guide wheel 3, the elastic frame 2 is provided with the installation component 4 for fixing the guide wheel 3, the rolling directions of the rolling direction rollers 103 of the guide wheel 3 are the same, during wiring, the peripheral wall of the guide wheel 3 is always abutted against the inner top wall of the inner pipe wall of the pipeline by using the elastic frame 2, because the rollers 103 at the two sides of the bottom of the trolley body 1 are abutted against the inner bottom wall of the inner pipe wall of the pipeline, and further along with the rotation of the rollers 103, the guide wheel 3 synchronously rotates, at the moment, a three-point positioning space is formed by enclosing between the guide wheel 3 and the two rollers 103, the trolley body 1 can be stably supported in the pipeline, so that the trolley can stably advance in the pipeline, and the possibility of overturning of the trolley body 1 is reduced, the wiring efficiency is improved.

Referring to fig. 2 and 3, the elastic frame 2 includes a horizontal portion 23, the horizontal portion 23 is mounted on the upper surface of the base 101 and is close to one side of the end wall of the base 101, the horizontal portion 23 is fixed on the upper surface of the base 101 through a connecting member 25, the connecting member 25 includes a first bolt 251, a side wall of the horizontal portion 23 is provided with a connecting hole 252, the upper surface of the base 101 is provided with a threaded hole 253, the first bolt 251 is sequentially inserted into the connecting hole 252 and the threaded hole 253 from top to bottom, the first bolt 251 is threaded into the threaded hole 253, the horizontal portion 23 can be fixed on the base 101, and the upper inclined portion 21 can be kept stable.

One end of the horizontal portion 23, which is far away from the first bolt 251, extends out of one side of the outer end wall of the base 101, one side of the horizontal portion 23, which is located outside the end wall of the base 101, is connected with the lower inclined portion 22, the higher end of the lower inclined portion 22 is connected with one end of the horizontal portion 23, the lower end of the lower inclined portion 22 abuts against the edge of the upper surface, which is far away from the base 101, of the support plate 8, the lower end of the lower inclined portion 22 is connected with the upper inclined portion 21, the higher end of the upper inclined portion 21 faces the base 101, the higher end of the upper inclined portion 21 extends to the upper side of.

In this embodiment, go up the rake 21, the portion 22 that inclines and horizontal part 23 integrated into one piece sets up down, go up the rake 21, enclose between the relative lateral wall of the portion 22 that inclines and horizontal part 23 down and form the elasticity space, can stably support leading wheel 3, when the portion 21 that inclines provides decurrent pressure, make leading wheel 3 move down, can put into the pipeline with dolly body 1 this moment, then put aside the rake 21, it resets to go up the rake 21 and kick-back losing the exogenic action down, can conflict the interior roof at the interior pipe wall of pipeline with the perisporium of leading wheel 3, in order to realize three point location, the stability of dolly body 1 process of advancing has been improved.

In this embodiment, the distance between the upper surface of the support plate 8 and the ground is smaller than the distance between the upper surface of the base 101 and the base 101, and the arc-shaped transition surface 24 is provided at the connection interface between the lower inclined portion 22 and the horizontal portion 23, so that the possibility of fracture between the lower inclined portion 22 and the horizontal portion 23 is reduced; similarly, the connecting interface between the upper inclined part 21 and the lower inclined part 22 is also provided with an arc-shaped transition surface 24, and the arc-shaped transition surface 24 is arranged, so that when the upper inclined part 21 is pressed downwards, the possibility of cracks between the upper inclined part 21 and the lower inclined part 22 is reduced, and the service life of the elastic frame 2 is prolonged; adopt the elastic frame 2 that above-mentioned structure constitutes, through going up rake 21 and pushing down, can put into the pipeline of different pipe diameters with dolly body 1 in, and then when putting away rake 21, can contradict leading wheel 3 on the pipe wall in the pipeline of different pipe diameter sizes for dolly body 1 lays wire in the pipeline of different pipe diameter sizes, and application scope is wide, convenient and practical.

Referring to fig. 4 and 5, the mounting assembly 4 includes a mounting plate 41 disposed obliquely, a lower surface of the mounting plate 41 is attached to an upper surface of the upper inclined portion 21, the mounting plate 41 is mounted on a sidewall of a higher end of the upper inclined portion 21 through a fixing member 48, the fixing member 48 includes a second bolt 481, the sidewall of the mounting plate 41 is provided with a first insertion hole 483, the sidewall of the higher end of the upper inclined portion 21 is provided with a second insertion hole 484, the first insertion hole 483 and the second insertion hole 484 correspond to each other up and down, the second bolt 481 sequentially passes through the first insertion hole 483 and the second insertion hole 484 from top to bottom and is screwed with a second nut 482, and the mounting plate 41 can be fixed on the upper inclined portion 21; this mounting means, simple structure, convenient operation.

The two side walls of the mounting plate 41 extend towards the upper surface of the base 101 to form the baffles 42, the mounting shafts 43 are mounted between the opposite side walls of the two baffles 42, the axial direction of the mounting shafts 43 is perpendicular to the length direction of the base 101, the guide wheel 3 is rotatably connected to the mounting shafts 43, the axial centers of the side walls of the guide wheel 3 are provided with rotating holes 46 for the mounting shafts 43 to pass through, and rotating spaces for the guide wheel 3 to rotate are formed between the mounting plate 41 and the opposite side walls of the two baffles 42 in a surrounding manner.

Through holes 47 are formed in the side walls of the two baffles 42, screws 44 are arranged at two ends of the mounting shaft 43, the two screws 44 correspond to the two through holes 47 one by one, one end, far away from the mounting shaft 43, of each screw 44 penetrates through the corresponding through hole 47 and is in threaded connection with a first nut 45, and the mounting shaft 43 can be fixed between the two baffles 42; when the first nut 45 is taken down, the mounting shaft 43 can be taken out from between the two baffles 42, so that the guide wheel 3 is convenient to disassemble and assemble.

Referring to fig. 5 and 6, two rubber rings 7 are sleeved on the mounting shaft 43, the rubber rings 7 are located between the supporting plate 62 and the baffle plate 42, one side wall of each rubber ring 7 is abutted to the side wall of the supporting plate 62, the other side wall of each rubber ring 7 is abutted to the side wall of the baffle plate 42, and the supporting plate 62 is rotationally connected with the mounting shaft 43, so that the supporting plate 62 is prevented from sliding on the mounting shaft 43, the distance between the supporting plate 62 and the baffle plate 42 can be kept constant by using the rubber rings 7, further, the guide wheel 3 can be prevented from deviating in the rolling process, and the rolling stability of the guide wheel 3 is improved.

Referring to fig. 5 and 6, a pre-pulling piece 5 is arranged on the trolley body 1, the pre-pulling piece 5 comprises a first cable tie 51, the side walls of the two baffles 42 are respectively provided with a pre-pulling hole 52, the two pre-pulling holes 52 are arranged oppositely, after one end of the first cable tie 51 passes through the two pre-pulling holes 52 from the lower part of the base 101 in sequence, one end of the first cable tie 51 is connected with the other end of the first cable tie 51, the baffles 42 can be positioned, and the first cable tie 51 is utilized to enable personnel to press down the guide wheel 3 within a limited elastic allowance; meanwhile, through the first binding belt 51, the maximum rebound distance of the upper inclined part 21 can be adjusted conveniently by a person according to the diameters of different pipelines, so that the guide wheel 3 can abut against the inner top wall of the inner pipe wall of the pipelines with different diameters, and the application range is wide.

Referring to fig. 5 and 6, in order to further enhance the stability of the traveling process of the trolley body 1, a holding assembly 6 for holding the upper inclined portion 21 stable is arranged on the trolley body 1, the holding assembly 6 includes an arc-shaped plate 61 arranged in an inclined manner, a higher end of the arc-shaped plate 61 is connected with two support plates 62 parallel to each other, one end of the support plate 62 far away from the arc-shaped plate 61 extends into a space between the guide wheel 3 and the opposite side walls of the baffle plate 42, the side walls of the support plates 62 are provided with mounting holes for the mounting shaft 43 to pass through, the support plates 62 are rotatably connected with the mounting shaft 43, the outer arc wall of the lower end of the arc-shaped plate 61 abuts against the upper surface of the battery 105, and the battery 105 is provided with a binding member 63 for limiting the overturning of the lower end of the arc-shaped plate 61.

Tie up piece 63 and paste for the magic, the magic is pasted one end and is extended to battery 105's upper surface by the below of base 101, and the both ends that the magic was pasted bond each other, and it has the space that supplies arc 61 male to reserve between magic subsides and the battery 105, and the lower one end of arc 61 stretches into between magic subsides and the battery 105, and then can fix arc 61 on battery 105 for slope 21 remains stable, avoids leading wheel 3 to take place the upset at the roll in-process.

When the lower inclined part 21 is pressed up, the support plate 62 is rotationally connected with the mounting shaft 43 to drive the higher end of the arc plate 61 to move downwards, and meanwhile, the lower end of the arc plate 61 slides on the upper surface of the battery 105 to adjust the height of the guide wheel 3; then put aside the last rake 21, utilize the bounce of last rake 21, it resets to go up rake 21, make the perisporium butt of leading wheel 3 at the interior pipe wall of pipeline, drive the higher one end of arc 61 simultaneously and shift up, setting through the magic subsides, play direction and restriction effect to the removal of arc 61, and then can prevent that leading wheel 3 from taking place the upset phenomenon at the roll in-process, make leading wheel 3 can roll stably, the stability of the process of marcing in the pipeline of dolly body 1 has been improved.

The implementation principle of the pipeline threading device in the embodiment of the application is as follows: firstly, the first bandage 51 sequentially passes through the two through holes 47 from the lower part of the base 101, so that two ends of the first bandage 51 are connected with each other, and the rebound distance of the upper inclined part 21 is limited; meanwhile, the lower end of the hook-and-loop fastener arc-shaped plate 61 is hooped on the battery 105, so that the upper inclined part 21 can be kept stable, and the guide wheel 3 is prevented from being turned over.

During wiring, the lead is tied at the tail part of the trolley body 1, and then the lead is pressed down to press the inclined part 21, so that the higher end of the arc-shaped plate 61 is driven to move down, the guide wheel 3 is driven to move down, and the trolley body 1 can be placed into a pipeline; then the upper inclined part 21 is released, the lower inclined part 22 is utilized to provide resilience for the upper inclined part 21, and the circumferential wall of the guide wheel 3 is abutted against the inner top wall of the inner pipe wall of the pipeline; then, a person operates the remote controller, so that the driving motor 104 provides driving force for the transmission shaft 102, and further drives the roller 103 to roll, and the trolley body 1 is pulled and wired in the pipeline.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a pipeline threading device, includes dolly body (1), be equipped with on dolly body (1) and be used for driving gyro wheel (103) pivoted actuating mechanism, its characterized in that of dolly body (1) bottom: the pipeline wall guiding device is characterized by further comprising an elastic frame (2) installed on the trolley body (1) and a guide wheel (3) rotatably connected to the top of the elastic frame (2), the rolling direction of the guide wheel (3) is the same as the advancing direction of the trolley body (1), the circumferential wall of the guide wheel (3) is used for abutting against the inner top wall of the pipeline inner wall, and rollers (103) on two sides of the bottom of the trolley body (1) are used for abutting against the inner bottom wall of the pipeline inner wall.

2. The pipeline threading device of claim 1, wherein: elastic frame (2) are including last rake (21), lower rake (22) and horizontal part (23) that connect gradually, leading wheel (3) are rotated and are connected the higher one end at last rake (21), the lower one end of going up rake (21) links to each other with the lower one end of lower rake (22), the higher one end of lower rake (22) links to each other with horizontal part (23), horizontal part (23) are fixed on dolly body (1) through connecting piece (25), it is equipped with arc transition face (24) to go up the junction of being connected between rake (21) and lower rake (22).

3. The pipeline threading device of claim 2, wherein: the connecting piece (25) comprises a first bolt (251), and the horizontal part (23) is fixed on the upper surface of the trolley body (1) through the first bolt (251).

4. The pipeline threading device of claim 2, wherein: the elastic frame (2) is provided with a mounting component (4) for fixing the guide wheel (3), the mounting component (4) comprises a mounting plate (41), baffle plates (42) respectively arranged on the side walls of two sides of the mounting plate (41), a mounting shaft (43) positioned between the two baffle plates (42), a screw rod (44) connected with two ends of the mounting shaft (43) and a first nut (45) in threaded connection with the screw rod (44), the mounting plate (41) is mounted at the higher end of the upper inclined part (21) through a fixing part (48), a rotating hole (46) for a mounting shaft (43) to pass through is arranged at the axis of the side wall of the guide wheel (3), a rotating space for the guide wheel (3) to roll is formed between the two baffle plates (42) and the opposite side wall of the mounting plate (41) in a surrounding manner, through holes (47) are arranged on the side walls of the two baffle plates (42), the screw rod (44) penetrates through the through hole (47) and is in threaded connection with the first nut (45).

5. The pipeline threading device of claim 4, wherein: the fixing piece (48) comprises a second bolt (481) and a second nut (482), a first insertion hole (483) is formed in the side wall of the mounting plate (41), a second insertion hole (484) is formed in the side wall of the higher end of the upper inclined portion (21), and the second bolt (481) sequentially penetrates through the first insertion hole (483) and the second insertion hole (484) from outside to inside and is in threaded connection with the second nut (482).

6. The pipeline threading device of claim 4, wherein: the trolley is characterized in that elastic frames (2) are arranged on two sides of the trolley body (1) in the length direction, the higher end of the upper inclined part (21) faces the trolley body (1), and a pre-tensioning piece (5) used for limiting the rebound of the upper inclined part (21) and a maintaining component (6) used for maintaining the upper inclined part (21) stable are arranged on the trolley body (1).

7. The pipeline threading device of claim 6, wherein: the pre-pulling piece (5) comprises a first cable tie (51), the side walls of the baffle plates (42) are provided with pre-pulling holes (52), and one end of the first cable tie (51) sequentially penetrates through the two pre-pulling holes (52) from the bottom of the trolley body (1) and is connected with the other end of the first cable tie (51).

8. The pipeline threading device of claim 6, wherein: keep subassembly (6) including arc (61) that the slope set up and be located extension board (62) between leading wheel (3) and baffle (42), extension board (62) rotate to be connected on installation axle (43), the higher one end of arc (61) links to each other with extension board (62), the outer arc wall of the lower one end of arc (61) and the upper surface butt of dolly body (1), be equipped with on dolly body (1) and be used for restricting ligature (63) of the lower one end upset of arc (61), it supplies the slide space that arc (61) slided to reserve between the upper surface of ligature (63) and dolly body (1).

9. The pipeline threading device of claim 8, wherein: the rubber ring (7) is sleeved on the mounting shaft (43) and located between the support plate (62) and the baffle (42), one side wall of the rubber ring (7) is abutted to the side wall of the support plate (62), and the other side wall of the rubber ring (7) is abutted to the side wall of the baffle (42).

10. The pipeline threading device of claim 2, wherein: the utility model discloses a dolly is characterized in that the both sides end wall of dolly body (1) all welds and is equipped with backup pad (8), the lower one end butt of lower rake (22) is at the upper surface of backup pad (8), the both sides of dolly body (1) are equipped with branch (9), the axial of branch (9) and the direction of travel syntropy of dolly body (1), the both ends of branch (9) all are equipped with down tube (10), the one end that branch (9) were kept away from in down tube (10) links to each other with the boundary wall of backup pad (8), it prevents inclined to move to reserve between branch (9), down tube (10) and the dolly body (1) and has the space (11) that prevents partially that supplies dolly body (1) to keep straight going.

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