CN112571366A

CN112571366A - Pipeline inner pipe dragging device

Info

Publication number: CN112571366A
Application number: CN202011488690.1A
Authority: CN
Inventors: 陈兴; 张瑜
Original assignee: Zhejiang Qingniu Intelligent Technology Co ltd; Ningbo Polytechnic
Current assignee: Zhejiang Qingniu Intelligent Technology Co ltd; Ningbo Polytechnic
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-30

Abstract

The invention relates to the technical field of pipeline inner pipe dragging, and discloses a pipeline inner pipe dragging device which comprises a shell, wherein a protection cylinder is movably connected inside the shell, the left end of the protection cylinder is movably connected with a clamping mechanism, the left end of the clamping mechanism is fixedly connected with a guide pillar, the guide pillar is fixedly connected with a moving rod, the left end of the moving rod is fixedly connected with a rack, the left end of the rack is movably connected with a tension spring, the lower end of the rack is meshed with a worm, the upper end of the guide pillar is fixedly connected with a moving rod, and the outer surface of the moving rod is fixedly connected with a. Through the in-process of interlock piece downstream, there is a thrust to the charging box to make the inside coolant of charging box pass through the liquid outlet spout, thereby use the inner tube surface, make the inner tube under the effect of cooling also, the diameter shrink, thereby be in the same place with the better laminating of protection cylinder, thereby reach and prevent the cracked effect of inner tube under the effect of power.

Description

Pipeline inner pipe dragging device

Technical Field

The invention relates to the technical field of pipeline inner pipe dragging, in particular to a pipeline inner pipe dragging device.

Background

In carrying out the pipe laying process, need cup joint an inner tube in pipeline inside sometimes to prevent inside solution to the corruption of pipeline, after corroding the inner tube, can drag the inner tube out, follow and trade the inside pipeline, thereby make things convenient for the treatment to pipeline inside more, protect the effect of outside pipeline simultaneously, present wide application in the life.

However, the dragging operation of the inner pipe of the pipeline at present has the defect to be overcome, and in the dragging process, the edge of the pipeline is generally clamped or a dragging hook is hooked, so that the acting force is unbalanced easily in the dragging process, the pipeline is damaged easily during dragging, and the dragging of the subsequent pipeline is difficult to process after the pipeline is broken, so that the dragging device for the inner pipe of the pipeline is produced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pipeline inner pipe dragging device which has the advantages of preventing the inner pipe from being broken under the action of force and comprehensively clamping the pipeline inner pipe, and solves the problems that in the dragging process, the acting force is unbalanced easily in the mode or the pipeline inner pipe is easily damaged in the dragging process by generally clamping the edge of the pipeline or hooking a dragging hook.

(II) technical scheme

In order to realize the purposes of preventing the inner pipe from being broken under the action of force and comprehensively clamping the inner pipe of the pipeline, the invention provides the following technical scheme: a pipeline inner pipe dragging device comprises a shell, wherein a protection cylinder is movably connected inside the shell, a clamping mechanism is movably connected at the left end of the protection cylinder, a guide pillar is fixedly connected at the left end of the clamping mechanism, a moving rod is fixedly connected with the guide pillar, a rack is fixedly connected at the left end of the moving rod, a tension spring is movably connected at the left end of the rack, a worm is meshed and connected at the lower end of the rack, a moving rod is fixedly connected at the upper end of the guide pillar, a sliding block is fixedly connected to the outer surface of the moving rod, a limiting block is movably connected at the outer surface of the sliding block, a pushing block is fixedly connected at the right end of the moving rod, a pressure rod is movably connected at the right end of the pushing block, a trapezoidal block is movably connected at the right end of the pressure rod, a linkage, the lower end of the linkage block is movably connected with a charging box, and the lower end of the charging box is fixedly connected with a liquid outlet nozzle.

Preferably, the number of the clamping mechanisms is two, the two clamping mechanisms are respectively located at the left end and the right end of the protection column body, the right end of each clamping mechanism is semicircular, and the clamping mechanisms and the protection column body are located on the same horizontal line.

Preferably, the number of the racks is two, the racks are respectively located at the upper end and the lower end of the worm, and the left end of the extension spring belongs to the left end fixed connection of the inner wall of the shell.

Preferably, the limiting block is located at the upper end of the rack, the left end of the limiting block is fixedly connected with the left end of the inner wall of the shell, and a cavity is formed in the limiting block.

Preferably, the number of the trapezoidal blocks is two, the trapezoidal blocks are vertically symmetrical about the central line of the inner part of the shell, the trapezoidal blocks are trapezoidal, and the right end of the pressure rod is movably connected with a roller.

Preferably, the charging box is positioned at the upper end of the protection column body, the cooling agent is filled in the charging box, and the lower end of the charging box is communicated with the liquid outlet nozzle.

(III) advantageous effects

Compared with the prior art, the invention provides a pipeline inner pipe dragging device which has the following beneficial effects:

1. this device is dragged to pipeline inner tube moves right through promoting the guide pillar to make fixture move right under the promotion of guide pillar, and then press from both sides tight internal pipe, have two because of fixture, thereby the parcel pipeline that can be fine, simultaneously the isolated pipeline inside protection cylinder with fixture's combined action under, thereby reach the effect of carrying out comprehensive centre gripping to the pipeline inner tube.

2. This device is dragged to pipeline inner tube has a thrust to the charging box through the in-process that the interlock piece moved down to make the inside coolant of charging box pass through the liquid outlet spout, thereby use the inner tube surface, make the inner tube under the effect of cooling also, the diameter shrink, thereby be in the same place with the better laminating of protection cylinder, thereby reach and prevent the cracked effect of inner tube under the effect of power.

Drawings

FIG. 1 is a front cross-sectional view of the housing structure of the present invention;

FIG. 2 is a partial cross-sectional view of a pusher block construction of the present invention;

FIG. 3 is a partial cross-sectional view of a trapezoidal block configuration of the present invention;

FIG. 4 is a partial cross-sectional view of the fixture construction of the present invention;

fig. 5 is a partial cross-sectional view of the putter structure of the present invention.

In the figure: 1. a housing; 2. a protective cylinder; 3. a clamping mechanism; 4. a guide post; 5. a travel bar; 6. a rack; 7. an extension spring; 8. a worm; 9. a movable rod; 10. a slider; 11. a limiting block; 12. a pushing block; 13. a pressure lever; 14. a trapezoidal block; 15. a linkage block; 16. a push rod; 17. a compression spring; 18. a charging box; 19. a liquid outlet nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a pipeline inner tube dragging device comprises a housing 1, a protection cylinder 2 is movably connected inside the housing 1, a clamping mechanism 3 is movably connected at the left end of the protection cylinder 2, two clamping mechanisms 3 are respectively arranged at the left end and the right end of the protection cylinder 2, the right end of each clamping mechanism 3 is semicircular, the clamping mechanism 3 and the protection cylinder 2 are positioned on the same horizontal line, a guide pillar 4 is fixedly connected at the left end of each clamping mechanism 3, a moving rod 5 is fixedly connected with the guide pillar 4, a rack 6 is fixedly connected at the left end of each moving rod 5, two racks 6 are respectively arranged at the upper end and the lower end of a worm 8, the left end of a tension spring 7 belongs to the left end of the inner wall of the housing 1 and is fixedly connected, a tension spring 7 is movably connected at the left end of each rack 6, a worm 8 is meshed with the lower, so that the worm 8 starts to rotate, and the rack 6 is moved rightward by the rotation of the worm 8 through the engagement between the gears, and when the rack 6 is moved rightward, a right tensile force is applied to the extension spring 7, so that the interior of the extension spring 7 is elastically deformed, the rack 6 is provided with a left pulling force to stabilize the motion track of the rack 6, and the rack 6 is provided with a right pushing force to the moving rod 5, so that the moving rod 5 is pushed to move rightwards, the moving rod 5 is driven to move rightwards, thereby pushing the guide post 4 to move rightwards, so that the clamping mechanism 3 moves rightwards under the pushing of the guide post 4, thereby clamping the inner pipeline, and the two clamping mechanisms 3 can well wrap the pipeline, simultaneously, the protective cylinder 2 inside the isolated pipeline and the clamping mechanism 3 act together, so that the effect of comprehensively clamping the inner pipe of the pipeline is achieved.

Meanwhile, the upper end of the guide post 4 is fixedly connected with a movable rod 9, the outer surface of the movable rod 9 is fixedly connected with a slide block 10, the outer surface of the slide block 10 is movably connected with a limit block 11, the limit block 11 is positioned at the upper end of the rack 6, the left end of the limit block 11 is fixedly connected with the left end of the inner wall of the shell 1, a cavity is arranged in the limit block 11, the right end of the movable rod 9 is fixedly connected with a push block 12, the right end of the push block 12 is movably connected with a pressure rod 13, the right end of the pressure rod 13 is movably connected with a trapezoidal block 14, the two trapezoidal blocks 14 are vertically symmetrical about the central line in the shell 1, the trapezoidal block 14 is trapezoidal, the right end of the pressure rod 13 is movably connected with a roller, the lower end of the trapezoidal block 14 is fixedly connected with a linkage block 15, the left, under the connecting action of the slider 10, the slider 10 moves in the limiting block 11, so that the movable rod 9 only moves in a translation manner in the moving process, and meanwhile, in the process that the movable rod 9 moves rightwards, the pushing block 12 is driven to move rightwards together, so that the pushing block 12 has a right pushing force on the pressure rod 13, because the trapezoidal block 14 is trapezoidal, in the process that the pressure rod 13 moves rightwards, a component force of downward movement is applied to the trapezoidal block 14, so that the trapezoidal block 14 moves downwards, the linkage block 15 is pushed downwards, the push rod 16 moves downwards under the action of the linkage block 15, the compression spring 17 is pushed, the interior of the compression spring 17 is elastically deformed, the preparation is made for the resetting of the push rod 16, and meanwhile, in the process that the linkage block 15 moves downwards, the pushing force is applied to the charging box 18, so that the coolant in the charging box 18 is sprayed out through the liquid outlet 19, thereby use the inner tube surface for the inner tube is under the effect of cooling also, and the diameter shrinks, thereby be in the same place with the better laminating of protection cylinder 2, thereby reach and prevent the cracked effect of inner tube under the effect of power, 15 lower extreme swing joint of interlock piece has charging box 18 simultaneously, and charging box 18 is located protection cylinder 2 upper end, and charging box 18 is inside to be equipped with the coolant, and charging box 18 lower extreme is linked together with

liquid outlet

19, and 18 lower extreme fixedly connected with liquid outlet 19 of charging box.

The working principle is as follows: when the work is started, the protection cylinder 2 is placed in the inner pipe of the pipeline, the external power supply is started at the moment, so that the worm 8 starts to rotate, the rack 6 moves rightwards under the rotation of the worm 8 under the meshing action among the gears, when the rack 6 moves rightwards, the right tension is applied to the stretching spring 7, so that the elastic deformation is generated inside the stretching spring 7, the left tension is applied to the rack 6, the motion track of the rack 6 is stabilized, meanwhile, the rack 6 has the right thrust to the moving rod 5, so that the moving rod 5 is pushed to move rightwards, the moving rod 5 is driven to move rightwards, the guide pillar 4 is further pushed to move rightwards, so that the clamping mechanism 3 moves rightwards under the pushing of the guide pillar 4, the inner pipeline is clamped, the two clamping mechanisms 3 are provided, so that the pipeline can be well wrapped, and simultaneously under the combined action of the protection cylinder 2 and the clamping mechanism 3 in the isolated, therefore, the effect of comprehensively clamping the inner pipe of the pipeline is achieved, meanwhile, in the process that the guide post 4 moves rightwards, the movable rod 9 is driven to move rightwards, under the connecting action of the slide block 10, the slide block 10 moves in the limiting block 11, the movable rod 9 only moves in a translation mode in the moving process, meanwhile, in the process that the movable rod 9 moves rightwards, the pushing block 12 is driven to move rightwards together, the pushing block 12 has rightward pushing force on the pressure rod 13, the trapezoidal block 14 is trapezoidal, so that in the process that the pressure rod 13 moves rightwards, a component force of downward movement is applied to the trapezoidal block 14, the trapezoidal block 14 moves downwards, the linkage block 15 is further pushed downwards, the push rod 16 moves downwards under the action of the linkage block 15, the compression spring 17 is further pushed, and the interior of the compression spring 17 is elastically deformed, prepare for the resetting of push rod 16, at the in-process that trace 15 moved down simultaneously, have a thrust to charging box 18 to make the inside coolant of charging box 18 spout through liquid outlet 19, thereby use the inner tube surface, make the inner tube under the effect of cooling also, the diameter shrink, thereby be in the same place with the better laminating of protection cylinder 2, thereby reach the effect that prevents the inner tube fracture under the effect of power.

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

Claims

1. A pipeline inner tube pulling device, comprising a housing (1), characterized in that: the protective cylinder (2) is movably connected inside the shell (1), the clamping mechanism (3) is movably connected at the left end of the protective cylinder (2), the guide pillar (4) is fixedly connected at the left end of the clamping mechanism (3), the moving rod (5) is fixedly connected with the guide pillar (4), the rack (6) is fixedly connected at the left end of the moving rod (5), the extension spring (7) is movably connected at the left end of the rack (6), the worm (8) is meshed and connected at the lower end of the rack (6), the moving rod (9) is fixedly connected at the upper end of the guide pillar (4), the sliding block (10) is fixedly connected at the outer surface of the moving rod (9), the limiting block (11) is movably connected at the outer surface of the sliding block (10), the pushing block (12) is fixedly connected at the right end of the moving rod (9), and the, the pressure bar (13) right-hand member swing joint has trapezoidal piece (14), trapezoidal piece (14) lower extreme fixedly connected with interlock piece (15), interlock piece (15) left end swing joint has push rod (16), left end fixedly connected with compression spring (17) are done in push rod (16), interlock piece (15) lower extreme swing joint has charging box (18), charging box (18) lower extreme fixedly connected with liquid outlet (19).

2. A pipeline innerduct pulling apparatus as set forth in claim 1, wherein: the two clamping mechanisms (3) are respectively positioned at the left end and the right end of the protection cylinder (2), the right end of each clamping mechanism (3) is semicircular, and the clamping mechanisms (3) and the protection cylinder (2) are positioned on the same horizontal line.

3. A pipeline innerduct pulling apparatus as set forth in claim 1, wherein: the two racks (6) are respectively positioned at the upper end and the lower end of the worm (8), and the left end of the extension spring (7) belongs to the left end fixed connection of the inner wall of the shell (1).

4. A pipeline innerduct pulling apparatus as set forth in claim 1, wherein: stopper (11) are located rack (6) upper end, stopper (11) left end and casing (1) inner wall left end fixed connection, the cavity has been seted up to stopper (11) inside.

5. A pipeline innerduct pulling apparatus as set forth in claim 1, wherein: trapezoidal piece (14) have two, and about casing (1) inside central line longitudinal symmetry, trapezoidal piece (14) are trapezoidal, pressure pole (13) right-hand member swing joint has the roller.

6. A pipeline innerduct pulling apparatus as set forth in claim 1, wherein: the charging box (18) is positioned at the upper end of the protective column body (2), a coolant is filled in the charging box (18), and the lower end of the charging box (18) is communicated with the liquid outlet nozzle (19).