CN210286254U - Threading device for measuring three-dimensional coordinates of pipeline - Google Patents

Abstract

The utility model discloses a threading apparatus for measuring three-dimensional coordinates of pipelines, which mainly comprises a blowing device, a lead wire, a traction device and a winding roll; one end of the lead wire penetrates through the air blowing device and then is fixedly connected with the traction device, and the other end of the lead wire is wound in the winding roll in a spiral mode; the traction device is placed into one end of the pipeline to be tested, and the head of the air blowing device is sleeved on the end head of the pipeline to be tested. When the device is used, a special U-shaped light plastic bag is tied on the Kevlar wire and placed at one end of the pipeline, the sleeve head is sleeved on the pipe orifice, the air blower connected with the battery aims at the large hole of the sleeve head to blow air to the U-shaped bag at the pipe orifice until the U-shaped bag is blown to the other end of the pipeline, and threading is finished. Connecting the Kevlar wire which is threaded in the pipeline with a traction steel rope, then 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.

Description

Threading device for measuring three-dimensional coordinates of pipeline

Technical Field

The utility model relates to a pipeline three-dimensional measurement technical field especially relates to a threading apparatus for measuring pipeline three-dimensional coordinate.

Background

The inertial gyroscope positioning technology is an international leading pipeline precise positioning technology, can automatically generate an underground pipeline space curve graph based on x, y and z three-dimensional coordinates, and realizes precise positioning of a large buried depth pipeline without being limited by pipeline materials. If the accurate depth of a certain position of the pipeline needs to be obtained, the accurate buried depth of the pipeline at the point can be obtained only by measuring the ground elevation above the point and subtracting the z coordinate of the point generated by the inertial gyroscope positioning technology from the ground elevation. The inertial gyroscope positioning technology is composed of two parts, namely hardware and software, wherein the hardware part is composed of a measuring host and a traction steel rope. The measuring host machine is composed of a support and a gyroscope, after the pipeline passes through the construction in a directional mode, two ends of the pipeline are cut, the measuring host machine is placed into the measured pipeline and dragged by the traction steel rope to pass through the pipeline back and forth, and the three-dimensional space positions of all points of the measured pipeline are automatically recorded by the measuring host machine.

In the process of detecting the pipeline by the gyroscope, as the working mode needs, the first step needs threading, and a line penetrates into the pipeline so as to drag the inertial gyroscope back and forth in the pipeline to pass through. If the threading work can not be completed in the pipeline, the data acquisition of the three-dimensional measurement can not be carried out; however, at present, the threading mode mainly depends on the threading of a pigging device: the pipe penetrating device is put in one end of the pipeline, manually pushes the pipe to continuously enter the pipeline through the pipe orifice and finally penetrates out of the other end of the pipeline, the exposed metal head of the pipe penetrating device is connected with a traction steel rope, and then the pipe penetrating device is pulled back according to the original path until the threading work is finished. However, the threading process of the pigging device is very laborious, the pigging device needs three persons to operate, and the pigging device also has the defects of insecurity, large volume, inconvenient carrying, threading length less than or equal to 100 meters and the like, so the prior art needs further improvement and perfection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a threading apparatus for measuring pipeline three-dimensional coordinate.

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

a threading apparatus for measuring three-dimensional coordinates of a pipeline mainly comprises an air blowing device for blowing air to the pipeline to be measured, a lead wire, a traction device for bearing directional air and a winding roll for winding and unwinding the lead wire. One end of the lead wire penetrates through the air blowing device and then is fixedly connected with the traction device, and the other end of the lead wire is wound in the winding roll in a spiral mode. The traction device is placed at one end of the pipeline to be tested, the head of the air blowing device is sleeved at the end of the pipeline to be tested, air is blown to the other end of the pipeline to be tested, and meanwhile, the traction device and the lead are blown to the other end of the pipeline to be tested together along with paying off of the winding roll.

Specifically, the traction device is a common plastic bag, and the hand-held part of the traction device is fixedly connected with the head part of the lead.

Specifically, the air blowing device comprises an air blower for blowing air, a storage battery, an inverter and a sleeve head for being sleeved on the pipeline to be tested. The input end of the inverter is connected with the storage battery, and the output end of the inverter is connected with the air blower. The air outlet of the air blower is communicated with one end of the sleeve head, and the other end of the sleeve head is sleeved on the end of the pipeline to be measured. The sleeve head is also provided with a threading hole for the lead to pass through. The head of the lead passes through the threading hole and then is connected with the traction device.

Specifically, the winding roll comprises a winding roll body, a five-guide-wheel structure for avoiding knotting of the lead and an operating handle convenient for winding and unwinding the lead. The winding roll body comprises a holding part for holding the winding roll and a winding part for winding and unwinding a lead. The holding part is arranged in the winding part and can rotate relative to the winding part. The five-guide-wheel structure is arranged in front of the wire winding part, is positioned at the wire outlet and is fixedly connected with the holding part, and the tail part of the lead wire penetrates through the five-guide-wheel structure and then is wound in the wire winding part in a spiral mode. The operating handle is arranged on the side surface of the winding part and is fixedly connected with the winding part.

Further, the wire winding portion includes an outer rim, spokes, and an inner rim. The number of the outer spoke rings is two, and the outer spoke rings are arranged in parallel; the inner spoke ring is located in the outer spoke ring. One end of each spoke is fixedly connected with the outer spoke ring, and the other end of each spoke is fixedly connected with the inner spoke ring, so that the outer spoke ring and the spokes jointly form an annular space for accommodating the coiled leads.

Further, the holding portion comprises a bearing, a holding handle and a fixing ring. The bearing is arranged in the inner spoke ring, and the outer ring of the bearing is fixedly connected with the inner spoke ring. The fixed ring is arranged in the bearing and is fixedly connected with the inner ring of the bearing. The holding handle is arranged in the fixing ring and is fixedly connected with the fixing ring.

As the utility model discloses an optimal scheme optimizes spiral portion structural design in order to improve the inside accommodation space of spiral portion, spoke adopts U-shaped structural design, its end respectively with the outer spoke circle fixed connection of both sides, its sunken middle part and interior spoke circle fixed connection.

Further, when the winder does not use, in order to facilitate storage, prevent that the portion of gripping and the winding portion from rotating relatively and disturbing the lead wire, the take-up reel still makes its location portion that can not the rotation each other including being used for fixed portion of gripping and winding portion. The positioning portion is arranged on the winding portion, specifically, the positioning portion is arranged on one side edge of the inner spoke ring, and the positioning portion mainly comprises a first support, a second support, a spring, a connecting rod, a positioning column, a positioning hole and a limiting plate. The positioning hole is formed in the holding portion, and specifically, the positioning hole is formed in the holding handle. The first support and the second support are arranged oppositely. And a through hole and a limiting groove are further formed in one side, facing the second support, of the first support surface. The limiting grooves are located on two sides of the through hole and communicated with the through hole. The through hole penetrates from one side of the first support to the other side of the first support. And a connecting hole is also formed in one side, facing the first support, of the second support. The connecting hole does not penetrate through the second support; the connecting rod is positioned between the first support and the second support, one end of the connecting rod is inserted into the continuous impact clamp of the second support, and the other end of the connecting rod is inserted into the through hole of the first support. One side of the limiting plate is arranged on the connecting rod and fixedly connected with the connecting rod and can rotate around the connecting rod, and the other side of the limiting plate is fixedly connected with the positioning column and mutually perpendicular to the positioning column, so that the limiting plate drives the positioning column to turn over and be buckled in the positioning hole to realize locking. The spring is sleeved on the connecting rod and located on one side of the second support, one end of the spring is abutted to the second support, the other end of the spring abuts against the limiting plate, and the limiting plate is pressed to the first support. After the worker finishes the measurement operation, the limiting plate is turned forwards, the positioning column is inserted into the positioning hole in the holding handle, and at the moment, the limiting plate is pushed into the limiting groove of the first support by the spring, so that locking is realized, and the relative rotation between the holding part and the winding part is prevented; on the contrary, when the operation is started, the limiting plate is pushed towards the second support, the limiting plate is separated from the limiting groove and overturns backwards, the back of the limiting plate is lapped on the stop lever, and at the moment, the limiting plate is pushed into the limiting groove of the first support by the spring, so that reverse locking is realized.

Furthermore, in order to avoid the limiting plate from interfering with the lead coil after being turned backwards and affecting the wire releasing/collecting operation, the positioning part of the utility model also comprises a stop lever for limiting the backward turning range of the limiting plate; the stop lever is arranged on the coiling part and positioned at the rear side of the limiting plate, so that the limiting plate is turned backwards and is lapped on the stop lever.

Further, in order to avoid external dust/dust to get into the bearing when measuring the operation, influence the smooth degree of take-up reel, the portion of gripping still includes the sealing washer that is used for sealed bearing. The sealing ring is arranged on the inner spoke ring and positioned on two sides of the bearing, the outer ring of the sealing ring is fixedly connected with the inner wall of the inner spoke ring, and the inner ring extends towards the center and leaves a gap smaller than 1 mm with the fixed ring.

Further, in order to make the lead wire be qualified for the next round of competitions/receive the line and take place in the same direction as smooth, avoid producing the card line, hinder the condition of line and take place, five guide pulley structures include first guide pulley, second guide pulley, third guide pulley, fourth guide pulley, fifth guide pulley, bracing piece, rod cover and dead lever. The first guide wheel, the second guide wheel and the third guide wheel are fixedly arranged in an L shape to jointly form a guide wheel structure body, and the axes of the first guide wheel, the second guide wheel and the third guide wheel are parallel to each other. The two ends of the fourth guide wheel and the fifth guide wheel are arranged on the rod sleeve side by side and are positioned above the first guide wheel and the second guide wheel, and the axes of the fourth guide wheel and the fifth guide wheel are vertical to the first guide wheel, the second guide wheel and the third guide wheel. The support rod is arranged in the guide wheel structure body, is positioned on the front side and the rear side of the fourth guide wheel and the fifth guide wheel and is fixedly connected with the guide wheel structure body. The rod sleeve is sleeved on the supporting rod, so that the fourth guide wheel and the fifth guide wheel can slide on the supporting rod. One end of the fixed rod is fixed with the guide wheel structure body, and the other end of the fixed rod extends to the holding part and is fixedly connected with the holding part. During threading, the head of the lead is pulled out of the winding roll, then is lapped on the third guide wheel, then passes through a gap between the fourth guide wheel and the fifth guide wheel, and finally passes out of the U-shaped guide rod.

Further, in order to make the lead wire more smoothly be qualified for the next round of competitions and receive the line in five guide pulleys, five guide pulley structures still include connecting rod and guide bar. The connecting rod is installed in the guide wheel structure body, is located the rear side position of bottom. The guide rod is designed to be of a U-shaped structure, two ends of the guide rod are arranged on the connecting rod and fixedly connected with the connecting rod, and a middle concave part of the guide rod extends to the front side of the bottom from the rear side of the bottom of the guide wheel structure body.

Further, in order to avoid the lead wire at receive and release line in-process off tracking or run out five guide pulley structures, five guide pulley structures still include the flange of restriction lead wire slip range. The flanges are arranged on the side faces of the guide wheel structure body, adopt a circular flange design and are fixedly connected with the guide wheel structure body.

As the preferred scheme of the utility model, in order to make it more in the same direction as smooth, more laborsaving to be qualified for the next round of competitions, the U-shaped middle part depressed part of guide lever perks upwards. The tilting amplitude of the upward tilting structure is larger than the radius of the second guide wheel.

As the utility model discloses a preferred scheme, for making five guide pulley structures and grip portion be connected more firmly, the dead lever is established to at least two, respectively with the tip fixed connection of first guide pulley and second guide pulley.

Further, in order to improve the portability of take-up reel, five guide pulley structures still include the link of being convenient for accomodate, hang-up. The hanging ring is designed in an 8 shape, two through holes are formed in the hanging ring, one through hole of the hanging ring is sleeved in the fixing rod, and the other through hole is used for hanging.

As the utility model discloses an optimal scheme, in order to make air-out effect of air-blast device better, more even, the pullover is leaks hopper-shaped design, and the air outlet intercommunication of its air intake and air-blower, air outlet and measured pipeline intercommunication.

Further, for the convenience of adjusting air-out volume of air-blast device to the cooperation construction demand, still be equipped with the knob that is used for adjusting the wind speed on the air-blower, the knob sets up the front position at the air-blower handle to be connected with the control part electricity of air-blower.

Further, in order to improve and measure the efficiency of construction, draw gear is including taking advantage of wind membrane, solid fixed ring and fixed line. The wind-riding film adopts a polygonal design, and the corner positions adopt arc transition; the fixing rings are arranged on the wind-riding film, are positioned at each corner and are fixedly connected with the wind-riding film. One end of the fixing wire is connected with each fixing ring, and the other end of the fixing wire extends to the middle part and is fixedly connected with the head part of the lead.

As a preferred embodiment of the present invention, the blower is an axial flow blower having high stability and maintainability.

As the preferred scheme of the utility model, the lead wire adopts the Kevlar wire that has advantages such as density is low, intensity is high, toughness is good, high temperature resistant, workable.

As the preferred scheme of the utility model, the pullover adopts the polyurethane resin material that has characteristics such as high strength, tearing resistance, wear-resisting to make.

The utility model discloses a working process and principle are: when the device is used, a special U-shaped light plastic bag is tied on the Kevlar wire and placed at one end of the pipeline, the sleeve head is sleeved on the pipe orifice, the air blower connected with the battery aims at the large hole of the sleeve head to blow air to the U-shaped bag at the pipe orifice until the U-shaped bag is blown to the other end of the pipeline, and threading is finished. Connecting the Kevlar wire which is threaded in the pipeline with a traction steel rope, then 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. The utility model discloses still have simple structure, convenient operation, easy advantage of implementing.

Compared with the prior art, the utility model discloses still have following advantage:

(1) the utility model provides a threading apparatus for measuring pipeline three-dimensional coordinate has advantages such as safety, firm, raise the efficiency, maneuverability is strong, laborsaving, stability is strong.

(2) The utility model provides a threading apparatus for measuring pipeline three-dimensional coordinate still has convenient to carry, adopts high-quality stainless steel material, is qualified for the next round of competitions in the same direction as smooth, not card line, not hinder the line to and full screw running joint maintenance advantage such as clearance convenience.

(3) The threading apparatus for measuring the three-dimensional coordinate of the pipeline provided by the utility model has low cost and high cost performance; the stability is strong; the carrying is convenient, and the space is saved; the threading length can reach 500 meters, and the like.

Drawings

Fig. 1 is a schematic structural diagram of a threading apparatus for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 2 is a front view of the winding roll for measuring the three-dimensional coordinates of the pipeline provided by the present invention.

Fig. 3 is a schematic structural diagram of a winding roll for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 4 is a rear view of the winding roll for measuring three-dimensional coordinates of a pipe according to the present invention.

Fig. 5 is a perspective view of the winding roll for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 6 is a bottom view of the winding roll for measuring three-dimensional coordinates of a pipe according to the present invention.

Fig. 7 is a right side view of the winding roll for measuring three-dimensional coordinates of the pipe provided by the present invention.

Fig. 8 is a schematic structural diagram of the positioning portion provided by the present invention.

Fig. 9 is a schematic structural view of the positioning portion after the limiting plate and the connecting rod are removed.

Fig. 10 is a schematic structural view of a five-guide-wheel structure for a winding roll according to the present invention.

Fig. 11 is a front view of a five-guide wheel structure for a winding roll according to the present invention.

Fig. 12 is a first perspective view of a five-guide-wheel structure for a winding roll according to the present invention.

Fig. 13 is a second perspective view of the five-guide-wheel structure for a winding roll according to the present invention.

Fig. 14 is a top view of the five-roller structure for a winding roll according to the present invention.

Fig. 15 is a left side view of the five guide wheel structure for the winding roll according to the present invention.

Fig. 16 is a schematic structural diagram of an air blowing device for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 17 is a perspective view of the blowing device for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 18 is a front view of the blowing device for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 19 is a top view of the blowing device for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 20 is a left side view of the blowing device for measuring three-dimensional coordinates of a pipeline provided by the present invention.

Fig. 21 is a rear view of the blowing device for measuring three-dimensional coordinates of a pipe provided by the present invention.

Fig. 22 is a schematic structural view of a traction device provided by the present invention.

The reference numerals in the above figures illustrate:

1-a pipeline to be detected, 2-a blowing device, 3-a winding roll, 4-a traction device, 5-a lead and 6-a five-guide-wheel structure;

21-blower, 22-sleeve head, 23-threading hole and 24-knob;

31-an operating handle, 32-an outer spoke ring, 33-a spoke, 34-an inner spoke ring, 35-a holding handle, 36-a fixing ring, 37-a positioning part, 371-a first support, 372-a second support, 373-a connecting rod, 374-a positioning column, 375-a positioning hole, 376-a limiting plate, 377-a through hole, 378-a limiting groove and 379-a stop lever;

41-wind-riding film, 42-fixing ring, 43-fixing line;

60-a first guide wheel, 61-a second guide wheel, 62-a third guide wheel, 63-a fourth guide wheel, 64-a fifth guide wheel, 65-a support rod, 66-a rod sleeve, 67-a fixed rod, 68-a connecting rod, 69-a guide rod and 611-a flange.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described with reference to the accompanying drawings and examples.

Example 1:

as shown in fig. 1, the embodiment discloses a threader for measuring three-dimensional coordinates of a pipeline, which mainly comprises an air blowing device 2 for blowing air to the pipeline to be measured, a lead wire 5, a traction device 4 for bearing directional air, and a winding roll 3 for winding and unwinding the lead wire 5. One end of the lead 5 penetrates through the air blowing device 2 and then is fixedly connected with the traction device 4, and the other end of the lead is wound in the winding roll 3 in a spiral mode. The traction device 4 is placed at one end of the pipeline to be tested, the head of the air blowing device 2 is sleeved at the end of the pipeline to be tested, air is blown to the other end of the pipeline to be tested, and meanwhile, the traction device 4 and the lead 5 are blown to the other end of the pipeline to be tested along with the paying-off of the winding roll 3.

Specifically, the traction device 4 is a common plastic bag, and the head of the lead 5 is fixedly connected with the hand-held part of the traction device.

Specifically, as shown in fig. 16 to 21, the blowing device 2 includes a blower 21 for blowing air, a battery, an inverter, and a fitting 22 for fitting over the pipe 1 to be tested. The input end of the inverter is connected with the storage battery, and the output end of the inverter is connected with the blower 21. The air outlet of the blower 21 is communicated with one end of the sleeve head 22, and the other end of the sleeve head 22 is sleeved on the end of the pipeline 1 to be measured. The sleeve head 22 is also provided with a threading hole 23 for the lead 5 to pass through. The head of the lead 5 passes through the threading hole 23 and then is connected with the traction device 4.

Specifically, as shown in fig. 2 to 7, the winding roll 3 includes a winding roll body, a five-guide-wheel structure 6 for preventing the lead 5 from knotting, and an operating handle 31 for conveniently winding and unwinding the lead 5. The winding roll body includes a grip portion for gripping the winding roll 3 and a winding portion for winding and unwinding the lead 5. The holding part is arranged in the winding part and can rotate relative to the winding part. The five-guide-wheel structure 6 is arranged in front of the wire winding part, is positioned at the wire outlet and is fixedly connected with the holding part, and the tail part of the lead 5 passes through the five-guide-wheel structure 6 and then is spirally wound in the wire winding part. The operating handle 31 is arranged on the side surface of the winding part and is fixedly connected with the winding part.

Further, the wire winding portion includes an outer rim 32, spokes 33, and an inner rim 34. The number of the outer spoke rings 32 is two, and the two outer spoke rings are arranged in parallel; the inner spoke 34 is located within the outer spoke 32. One end of the spoke 33 is fixedly connected with the outer spoke ring 32, and the other end of the spoke 33 is fixedly connected with the inner spoke ring 34, so that the outer spoke ring 32 and the spoke 33 jointly form an annular space for accommodating the coiled lead 5.

Further, the grip portion includes a bearing, a grip handle 35, and a retainer ring 36. The bearing is arranged in the inner spoke ring 34, and the outer ring of the bearing is fixedly connected with the inner spoke ring 34. The fixed ring 36 is arranged in the bearing and is fixedly connected with the inner ring of the bearing. The holding handle 35 is arranged in the fixing ring 36 and is fixedly connected with the fixing ring 36.

As the utility model discloses an optimal scheme optimizes spiral portion structural design in order to improve the inside accommodation space of spiral portion, spoke 33 adopts U-shaped structural design, its end respectively with the outer spoke circle 32 fixed connection of both sides, its sunken middle part and interior spoke circle 34 fixed connection.

Further, when the reel is not used, in order to facilitate storage, the holding portion and the winding portion are prevented from rotating relatively to disturb the lead wire 5, as shown in fig. 8 and 9, the winding roll 3 further includes a positioning portion 37 for fixing the holding portion and the winding portion so that they cannot rotate with each other. The positioning portion 37 is disposed on the winding portion, specifically, the positioning portion 37 is disposed on one side edge of the inner spoke ring 34, and the positioning portion 37 mainly includes a first support 371, a second support 372, a spring, a connecting rod 373, a positioning column 374, a positioning hole 375, and a limiting plate 376. The positioning hole 375 is disposed on the holding portion, and specifically, the positioning hole 375 is disposed on the holding handle 35. The first support 371 is disposed opposite to the second support 372. The first support 371 is further provided with a through hole 377 and a limiting groove 378 on a side facing the second support 372. The limiting grooves 378 are located at two sides of the through hole 377 and are communicated with the through hole 377. The through hole 377 penetrates from one side to the other side of the first support 371. The second support 372 is also provided with a connection hole on a side facing the first support 371. The connecting hole does not penetrate through the second support 372; the connecting rod 373 is located between the first support 371 and the second support 372, one end of which is inserted into the connecting card of the second support 372, and the other end of which is inserted into the through hole 377 of the first support 371. One side of the limiting plate 376 is arranged on the connecting rod 373, is fixedly connected with the connecting rod 373, can rotate around the connecting rod 373, and has the other side fixedly connected with the positioning column 374 and perpendicular to the positioning column 374, so that the limiting plate 376 drives the positioning column 374 to turn over and buckle in the positioning hole 375 to realize locking. The spring is sleeved on the connecting rod 373 and positioned on one side of the second support 372, one end of the spring is abutted against the second support 372, the other end of the spring is abutted against the limiting plate 376, and the limiting plate 376 is pressed towards the first support 371. After the worker finishes the measurement operation, the limiting plate 376 is turned forwards, the positioning column 374 is inserted into the positioning hole 375 on the holding handle 35, and at the moment, the spring pushes the limiting plate 376 to the limiting groove 378 of the first support 371, so that locking is realized, and the relative rotation between the holding part and the winding part is prevented; on the contrary, when the operation is started, the limiting plate 376 is pushed towards the second bracket, so that the limiting plate 376 is separated from the limiting groove 378 and overturned backwards, the back of the limiting plate 376 is lapped on the stop rod 379, and at the moment, the spring pushes the limiting plate 376 into the limiting groove 378 of the first support 371, so that the reverse locking is realized.

Furthermore, in order to avoid interference between the limiting plate 376 and the lead 5 coil after the limiting plate 376 is turned backwards, and to influence the wire releasing/winding operation, the positioning portion 37 of the present invention further includes a stopper 379 for limiting the backward turning range of the limiting plate 376; the stopper rod 379 is provided on the winding portion at the rear side of the restriction plate 376, so that the restriction plate 376 is turned over backward and rides on the stopper rod 379.

Further, in order to avoid external dust/dust to get into the bearing when measuring the operation, influence take-up reel 3's smooth degree, the portion of gripping still includes the sealing washer that is used for sealed bearing. The sealing ring is arranged on the inner spoke ring 34 and located on two sides of the bearing, the outer ring of the sealing ring is fixedly connected with the inner wall of the inner spoke ring 34, and the inner ring extends towards the center and leaves a gap smaller than 1 mm with the fixed ring 36.

Further, in order to make the lead wire 5 go out/receive the line and take up the line smoothly, avoid producing the condition emergence of card line, hindering the line, it is shown in combination with fig. 10 to fig. 15 that five guide pulley structures 6 include first guide pulley 60, second guide pulley 61, third guide pulley 62, fourth guide pulley 63, fifth guide pulley 64, bracing piece 65, rod cover 66 and dead lever 67. The first guide wheel 60, the second guide wheel 61 and the third guide wheel 62 are fixedly arranged in an L shape to form a guide wheel structure body together, and the axes of the first guide wheel, the second guide wheel and the third guide wheel are parallel to each other. The two ends of the fourth guide wheel 63 and the fifth guide wheel 64 are arranged on the rod sleeve 66 side by side and are positioned above the first guide wheel 60 and the second guide wheel 61, and the axes of the fourth guide wheel 63 and the fifth guide wheel 64 are vertical to the first guide wheel 60, the second guide wheel 61 and the third guide wheel 62. The support rods 65 are arranged in the guide wheel structure body, positioned at the front side and the rear side of the fourth guide wheel 63 and the fifth guide wheel 64, and fixedly connected with the guide wheel structure body. The rod sleeve 66 is sleeved on the support rod 65, so that the fourth guide wheel 63 and the fifth guide wheel 64 can slide on the support rod 65. One end of the fixing rod 67 is fixed with the guide wheel structure body, and the other end extends to the holding part and is fixedly connected with the holding part. During threading, the head of the lead 5 is drawn out of the winding roll 3, then the lead is lapped on the third guide wheel 62, then the lead passes through the gap between the fourth guide wheel 63 and the fifth guide wheel 64, and finally the lead passes out from the upper part of the U-shaped guide rod 69.

Further, in order to make the lead wire 5 more smoothly go out and receive the line in five guide pulleys, five guide pulley structure 6 still include connecting rod 68 and guide bar 69. The connecting rod 68 is mounted within the wheel structure body at a rear location of the base. The guide rod 69 is designed to have a U-shaped structure, both ends of the guide rod are disposed on the connecting rod 68 and are fixedly connected with the connecting rod 68, and a central recess of the guide rod extends from the rear side of the bottom of the guide wheel structure body to the front side of the bottom.

Further, in order to avoid lead wire 5 off tracking or running out of five guide pulley structures 6 at receive and release line in-process, five guide pulley structures 6 still include the flange 611 of restriction lead wire 5 sliding range. The rib 611 is arranged on the side surface of the guide wheel structure body, adopts the design of a circular rib 611, and is fixedly connected with the guide wheel structure body.

As the preferred scheme of the utility model, in order to make it more in the same direction as smooth, more laborsaving to be qualified for the next round of competitions, the U-shaped middle part depressed part of guide rod 69 upwards perks. The tilting amplitude of the upward tilting structure is larger than the radius of the second guide wheel 61.

As the preferred embodiment of the present invention, in order to connect the five guide wheel structures 6 with the holding portion more firmly, the fixing rods 67 are set to be at least two, and are respectively connected with the end portions of the first guide wheel 60 and the second guide wheel 61.

Further, in order to improve the portability of take-up reel 3, five guide pulley structures 6 still include the link of being convenient for accomodate, hang-up. The hanging ring is designed in an 8 shape, two through holes 377 are formed in the hanging ring, one through hole 377 of the hanging ring is sleeved in the fixing rod 67, and the other through hole 377 of the hanging ring is used for hanging.

As the utility model discloses an optimal scheme, in order to make 2 air-out effects of air-blast device better, more even, pullover 22 is the design of leaking hopper-shaped, its air intake and air-blower 21's air outlet intercommunication, air outlet and the pipeline 1 intercommunication of being surveyed.

Further, in order to facilitate the air output of adjusting the blower device 2, in order to cooperate the construction demand, still be equipped with the knob 24 that is used for adjusting the wind speed on the air-blower 21, the knob 24 sets up the front position at the air-blower 21 handle to be connected with the control part electricity of air-blower 21.

Further, in order to improve the measurement efficiency, as shown in fig. 22, the traction device 4 of the present invention includes a wind-driving film 41, a fixing ring 42, and a fixing line 43. The wind-riding film 41 adopts a polygonal design, and the corner positions adopt arc transition; the fixing rings 42 are provided on the wind-riding film 41 at respective corner positions, and are fixedly connected to the wind-riding film 41. One end of the fixing wire 43 is connected to each fixing ring 42, and the other end extends toward the middle and is fixedly connected to the head of the lead 5.

In a preferred embodiment of the present invention, the blower 21 is an axial-flow blower having high stability and maintainability.

As the preferred scheme of the utility model, lead wire 5 adopts the kaivy guy that has advantages such as density is low, intensity is high, toughness is good, high temperature resistant, workable.

As a preferred embodiment of the present invention, the sleeve head 22 is made of a polyurethane resin material with characteristics of high strength, tear resistance, wear resistance, and the like.

The utility model discloses a working process and principle are: when the device is used, a special U-shaped light plastic bag is tied on the Kevlar wire and placed at one end of a pipeline, a sleeve head 22 is sleeved on a pipe orifice, and an air blower 21 connected with a battery aims at a large hole of the sleeve head 22 to blow air to the U-shaped bag at the pipe orifice until the U-shaped bag is blown to the other end of the pipeline, so that threading is finished. Connecting the Kevlar wire which is threaded in the pipeline with a traction steel rope, then 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. The utility model discloses still have simple structure, convenient operation, easy advantage of implementing.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, 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 (10)

1. A threader for measuring three-dimensional coordinates of a pipeline is characterized by comprising an air blowing device for blowing air to the pipeline to be measured, a lead wire, a traction device for bearing directional air and a winding roll for winding and unwinding the lead wire; one end of the lead wire penetrates through the air blowing device and then is fixedly connected with the traction device, and the other end of the lead wire is wound in the winding roll in a spiral mode; the traction device is placed at one end of the pipeline to be tested, the head of the air blowing device is sleeved at the end of the pipeline to be tested, air is blown to the other end of the pipeline to be tested, and the traction device and the lead are blown to the other end of the pipeline to be tested along with paying off of the winding roll;

the traction device is a common plastic bag, and the hand-held part of the traction device is fixedly connected with the head part of the lead;

the air blowing device comprises an air blower for blowing air, a storage battery, an inverter and a sleeve head for sleeving the pipeline to be detected; the input end of the inverter is connected with the storage battery, and the output end of the inverter is connected with the blower; an air outlet of the air blower is communicated with one end of the sleeve head, and the other end of the sleeve head is sleeved on the end head of the pipeline to be measured; the sleeve head is also provided with a threading hole for the lead to pass through; the head of the lead passes through the threading hole and then is connected with the traction device.

2. The threader for measuring the three-dimensional coordinate of a pipeline according to claim 1, wherein the take-up reel comprises a take-up reel body, a five-guide-wheel structure for avoiding knotting of the lead wire, and an operating handle for facilitating take-up and pay-off of the lead wire; the winding roll body comprises a holding part for holding the winding roll and a winding part for winding and unwinding a lead; the holding part is arranged in the winding part and can rotate relative to the winding part; the five-guide-wheel structure is arranged in front of the wire winding part, is positioned at the wire outlet and is fixedly connected with the holding part, and the tail part of the lead wire penetrates through the five-guide-wheel structure and then is wound in the wire winding part in a spiral mode; the operating handle is arranged on the side surface of the winding part and is fixedly connected with the winding part.

3. The threader for measuring the three dimensional coordinates of a pipe of claim 2 wherein the coiled portion comprises an outer spoke, a spoke, and an inner spoke; the number of the outer spoke rings is two, and the outer spoke rings are arranged in parallel; the inner spoke ring is positioned in the outer spoke ring; one end of each spoke is fixedly connected with the outer spoke ring, and the other end of each spoke is fixedly connected with the inner spoke ring, so that the outer spoke ring and the spokes jointly form an annular space for accommodating the coiled leads.

4. The threader for measuring three dimensional coordinates of a pipe of claim 3, wherein the grip comprises a bearing, a grip handle, and a retaining ring; the bearing is arranged in the inner spoke ring, and the outer ring of the bearing is fixedly connected with the inner spoke ring; the fixed ring is arranged in the bearing and is fixedly connected with the inner ring of the bearing; the holding handle is arranged in the fixing ring and is fixedly connected with the fixing ring.

5. The threader for measuring the three-dimensional coordinate of the pipeline according to claim 2, wherein the take-up reel further comprises a positioning part for fixing the grip part and the take-up part so that they cannot rotate with each other; the positioning part is arranged on the coiling part and comprises a first support, a second support, a spring, a connecting rod, a positioning column, a positioning hole and a limiting plate; the positioning hole is arranged on the holding part; the first support and the second support are arranged oppositely; a through hole and a limiting groove are further formed in one side, opposite to the second support, of the first support surface; the limiting grooves are positioned on two sides of the through hole and communicated with the through hole; the through hole penetrates from one side of the first support to the other side; a connecting hole is also formed in one side, facing the first support, of the second support; the connecting hole does not penetrate through the second support; the connecting rod is positioned between the first support and the second support, one end of the connecting rod is inserted into the continuous impact card of the second support, and the other end of the connecting rod is inserted into the through hole of the first support; one side of the limiting plate is arranged on the connecting rod, is fixedly connected with the connecting rod and can rotate around the connecting rod, and the other side of the limiting plate is fixedly connected with the positioning column and is mutually vertical to the positioning column, so that the limiting plate drives the positioning column to turn over and buckle in the positioning hole to realize locking; the spring is sleeved on the connecting rod and located on one side of the second support, one end of the spring is abutted to the second support, the other end of the spring abuts against the limiting plate, and the limiting plate is pressed to the first support.

6. The threader for measuring the three-dimensional coordinates of a pipeline according to claim 5, wherein the positioning part further comprises a stop lever for limiting the backward turning range of the limiting plate; the stop lever is arranged on the coiling part and positioned at the rear side of the limiting plate, so that the limiting plate is turned backwards and is lapped on the stop lever.

7. The threader for measuring the three dimensional coordinates of a pipe of claim 4, wherein the grip further comprises a sealing ring for sealing the bearing; the sealing ring is arranged on the inner spoke ring and positioned on two sides of the bearing, the outer ring of the sealing ring is fixedly connected with the inner wall of the inner spoke ring, and the inner ring extends towards the center and leaves a gap smaller than 1 mm with the fixed ring.

8. The threader for measuring the three-dimensional coordinate of a pipeline according to claim 2, wherein the five-guide-wheel structure comprises a first guide wheel, a second guide wheel, a third guide wheel, a fourth guide wheel, a fifth guide wheel, a support rod, a rod sleeve and a fixing rod; the first guide wheel, the second guide wheel and the third guide wheel are fixedly arranged in an L shape to form a guide wheel structure body together, and the axes of the first guide wheel, the second guide wheel and the third guide wheel are parallel to each other; the two ends of the fourth guide wheel and the fifth guide wheel are arranged on the rod sleeve side by side and are positioned above the first guide wheel and the second guide wheel, and the axes of the fourth guide wheel and the fifth guide wheel are vertical to the first guide wheel, the second guide wheel and the third guide wheel; the support rods are arranged in the guide wheel structure body, positioned on the front side and the rear side of the fourth guide wheel and the fifth guide wheel and fixedly connected with the guide wheel structure body; the rod sleeve is sleeved on the supporting rod, so that the fourth guide wheel and the fifth guide wheel can slide on the supporting rod; one end of the fixed rod is fixed with the guide wheel structure body, and the other end of the fixed rod extends to the holding part and is fixedly connected with the holding part.

9. The threader for measuring the three-dimensional coordinates of a pipe of claim 8, wherein the five guide wheel structure further comprises a connecting rod and a guide rod; the connecting rod is arranged in the guide wheel structure body and is positioned at the rear side of the bottom; the guide rod is designed to be of a U-shaped structure, two ends of the guide rod are arranged on the connecting rod and fixedly connected with the connecting rod, and a middle concave part of the guide rod extends to the front side of the bottom from the rear side of the bottom of the guide wheel structure body.

10. The threader for measuring the three-dimensional coordinates of a pipe of claim 1, wherein the traction device comprises a wind-riding film, a fixing ring, and a fixing thread; the wind-riding film adopts a polygonal design, and the corner positions adopt arc transition; the fixing rings are arranged on the wind-riding film, are positioned at each corner and are fixedly connected with the wind-riding film; one end of the fixing wire is connected with each fixing ring, and the other end of the fixing wire extends to the middle part and is fixedly connected with the head part of the lead.

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