CN220717069U - Quick stripping tool for 3PE anticorrosive coating - Google Patents

Abstract

The utility model discloses a rapid stripping tool for a 3PE (polyethylene) anticorrosive layer, which comprises a winding drum body, two winding drum bodies and handle rods, wherein the surface of the winding drum body is provided with an insertion groove, a forward and reverse rotating device is rotated in the handle rods, an inserting rod is connected to one side of the forward and reverse rotating device, which faces the winding drum body, and the inserting rod is detachably connected with the winding drum body. In the stripping process of the anti-corrosion coiled material, a lever structure is formed between the handle rod and the reel body, the rotation direction of the reel body can be limited by the forward and reverse rotation device, so that the anti-corrosion coiled material can be continuously and neatly wound on the outer side of the reel body, the anti-corrosion coiled material is more labor-saving in the stripping process, meanwhile, the pipeline is not damaged, and the operation is safer and faster in the stripping process of the anti-corrosion coiled material; the stripped anticorrosive coating is clean and continuous, and the anticorrosive coating is completely stripped in the whole operation area, so that the anticorrosive coating is easy to recycle.

Description

Quick stripping tool for 3PE anticorrosive coating

Technical Field

The utility model relates to the field of anti-corrosion layer stripping, in particular to a rapid stripping tool for a 3PE anti-corrosion layer.

Background

When selecting anticorrosive coating in natural gas long distance pipeline, need satisfy multiple condition, like the insulating nature is strong, water proof barrier nature, scribble on the pipeline can not hinder the transport etc. of natural gas, can make up coating defect at the maximum extent simultaneously, in present oil gas pipeline, water supply heat supply pipeline, the tubular product outer wall adopts three-layer PE structure to carry out anticorrosive treatment often, and 3PE anticorrosive coating comprises 3 layer structure: the bottom layer is epoxy powder, the middle layer is adhesive, and the outer layer is polyethylene. In the actual production process, three materials are sequentially coated on the pipe wall through special construction regulations, and are processed through special technological means to be firmly combined with the steel pipe.

The anti-corrosion layer is required to be manually removed in the work of pipeline maintenance, rush repair, welding and the like, and the daily oil gas pipeline anti-corrosion layer construction mainly adopts a manual stripping method, mainly adopts a spade and a flat spade for manual stripping, and has low speed and poor effect; the corrosion-resistant layer has the characteristics of strong bonding capability, high mechanical strength and the like, and the residual part of the corrosion-resistant layer on the surface of the oil and gas pipeline polished by the polisher is further processed, so that time and labor are wasted; in addition, a heating method and a polishing method are adopted on site, and the heating method softens and removes the anti-corrosion layer through methods such as combustible medium heating or infrared radiation heating, but the operation in the method is low in safety, and the application range is limited.

Therefore, providing a rapid stripping tool for a 3PE corrosion protection layer has been a considerable problem.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to more save labor and more rapidly strip the anti-corrosion coiled material, and the operation is safer and more rapid in the stripping of the anti-corrosion coiled material.

The purpose of the utility model is realized in the following way:

the utility model provides a rapid stripping tool for a 3PE anticorrosive coating, which comprises a winding drum body and two handle rods, wherein the two handle rods are respectively detachable on two sides of the length of the winding drum body;

the handle rod rotates to be provided with a forward-reverse rotation device, one side of the forward-reverse rotation device, which faces the winding drum body, is connected with an inserting rod, and the inserting rod is detachably connected with the winding drum body.

The spool body is characterized in that the two sides of the length of the spool body are both fixedly provided with plug-in cylinders, and the plug-in cylinders are in plug-in fit with the plug-in rods.

Further stated, the inserted link is provided with a locking member for locking with the plug tube.

Further stated, the inserted link is kept away from its inserted end and is open structure, the retaining member includes the latch segment, the latch segment slide in the lateral wall of inserted link, inserted link internally mounted has the sliding seat, it has the distance rod to slide on the sliding seat, the distance rod inner stretch into inside the inserted link, and with it has the dwang to rotate between the latch segment, the button is installed to the outer end of distance rod, thrust spring is installed in the distance rod outside, thrust spring is located the sliding seat with between the button.

Further stated, the handle lever includes a working head, a working lever and a handle tip, the working head being adapted to limit the forward and reverse rotation device.

The working head is provided with a working bin, the outer wall of the working bin is provided with a sliding groove, the positive and negative rotating device comprises a ratchet wheel, the ratchet wheel rotates in the working bin, two limiting rods are further rotated in the working bin through torsion springs, the two limiting rods are symmetrically arranged by taking the radial direction of the ratchet wheel as a reference and used for limiting the rotating direction of the ratchet wheel, and a toggle rod used for adjusting the positions of the two limiting rods is rotated in the working bin.

Further stated, the said toggle rod is the broken line shape, the said toggle rod outer end runs through the sliding groove, its inner end has pushing blocks to push any said limiting rod to keep away from said ratchet.

Further stated, the limiting rod comprises a rod-shaped part rotationally connected with the working bin, and the movable end of the rod-shaped part is provided with a limiting part and a guiding part.

Has the positive beneficial effects that:

in the process of stripping the anti-corrosion coiled material, a lever structure is formed between the handle rod and the reel body, the rotation direction of the reel body can be limited by utilizing the positive and negative rotation device, so that the anti-corrosion coiled material can be continuously and neatly wound on the outer side of the reel body, the damage to a pipeline can be avoided while the stripping process is more labor-saving, and the operation is safer and faster in the process of stripping the anti-corrosion coiled material;

the stripped anti-corrosion layer is clean and continuous, the anti-corrosion layer in the whole operation area is completely stripped and easy to recycle, so that polyethylene fragments on the spot are prevented from polluting the environment when the operation surface is cleaned by secondary manual polishing, and the requirements of the current safe civilized construction are met;

the anti-corrosion layer can be rapidly and effectively stripped through the utility model, so that a great amount of time is saved for the next working procedures of reinforcing the sleeve of the pipeline, welding, cutting the geminate transistors and the like, and the working efficiency of emergency repair operation is improved;

in the preferred embodiment, the locking piece can be used for realizing the rapid locking and the disassembly of the inserted link and the inserted cylinder, the operation is more flexible, the convenience can be provided for the installation and the disassembly of the handle bar, and the handle bar is assisted to be disassembled;

when the rotation direction of the ratchet wheel is regulated, the pushing block can push different limiting rods away from the ratchet wheel by manually operating the toggle rod, so that the limit of the rotation direction of the ratchet wheel is realized, the operation is simple, and the regulation is easy;

the ratchet wheel is limited to rotate reversely by the limiting part on the limiting rod, and the positive rotation of the ratchet wheel is assisted by the sliding contact between the guiding part and the ratchet wheel, so that the rotation direction of the ratchet wheel is limited.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the handle bar of the present utility model;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a schematic view of the internal structure of FIG. 4;

FIG. 6 is a right-hand internal schematic view of the working head of FIG. 5;

FIG. 7 is an enlarged schematic view of the internal structure of the working head of FIG. 5;

FIG. 8 is a schematic view of the structure of the restraining bar of FIG. 7;

the figure is: insert groove 1, reel body 2, plug cylinder 3, plug rod 4, lock piece 5, lock piece 501, rotation rod 502, thrust rod 503, slide seat 504, thrust spring 505, push button 506, forward and reverse rotation device 6, ratchet 601, limit rod 602, rod-shaped portion 602a, limit portion 602b, guide portion 602c, torsion spring 603, toggle rod 604, push block 605, handle rod 7, working head 701, working cartridge 701a, slide groove 701b, working rod 702, handle tip 703;

description of the embodiments

The utility model is further described below with reference to the drawings and examples.

Example 1

Referring to fig. 1-8, the quick stripping tool for the 3PE anticorrosive coating provided by the utility model comprises a winding drum body 2 and two handle rods 7, wherein the handle rods 7 are respectively and detachably arranged on two sides of the length of the winding drum body 2, the winding drum body 2 is a galvanized winding drum, and the length of the galvanized winding drum is 400-600mm, so that the quick stripping tool is applicable to stripping of 3PE anticorrosive coatings of various oil-gas pipeline plug cylinders with different pipe diameters and working surfaces of anticorrosive coatings of other domestic steel pipelines;

the surface of the winding drum body 2 is provided with an insertion groove 1 for limiting the initial section of the rolled material, the width of the insertion groove 1 is 4-12mm, preferably 5mm, so that the anti-corrosion coiled material can be inserted into the insertion groove 1, the initial end of the anti-corrosion coiled material can be limited, the insertion groove 1 extends along the length direction of the winding drum body 2, and when the anti-corrosion coiled material is rolled, the rolled initial section of the material can be inserted into the insertion groove 1;

the handle rod 7 is internally rotated with the forward and reverse rotation device 6, the forward and reverse rotation device 6 is connected with the inserted rod 4 towards one side of the reel body 2, the inserted rod 4 is detachably connected with the reel body 2, the handle rod 7 can be installed on two sides of the reel body 2 by the inserted rod 4, a quick-mounting structure of the handle rod 7 is formed by the inserted rod 4, the rotation direction of the reel body 2 can be limited by the forward and reverse rotation device 6, the forward and reverse rotation device 6 and the reel body 2 can rotate towards a fixed direction, when the device is used, the initial end of an anti-corrosion coiled material is inserted into the insertion groove 1, the handle rod 7 is contacted with a pipeline to be stripped, an operator manually presses down the movable end of the handle rod 7, namely the tail end of the handle rod 7, then a lever structure is formed between the handle rod 7 and the reel body 2, the reel body 2 can be pulled away from the pipeline to be stripped by the anti-corrosion coiled material, the forward and reverse rotation device 6 can limit the rotation direction of the reel body 2, the anti-corrosion coiled material can be continuously and neatly wound on the outer side of the reel body 2, the anti-corrosion coiled material can be stripped from the pipeline by means of a fire mill, and the anti-corrosion coiled material can be stripped from the pipeline, the outer side of the pipeline can be more safely and liquefied by a fire can not be stripped, and the anti-corrosion coiled material can be stripped by a fire, and the fire can be removed; after the anti-corrosion coiled material is stripped, the inserted link 4 is detached from the two sides of the insertion groove 1, namely the handle bar 7 is separated from the insertion groove 1, so that the stripped anti-corrosion layer can be pulled out of the winding drum, the stripped anti-corrosion layer is neat and continuous, the anti-corrosion layer in the whole operation area is completely stripped, the anti-corrosion coiled material is easy to recycle, the pollution of polyethylene fragments on the zero site during secondary manual polishing and cleaning of the operation surface is avoided, and the requirement of the current safe civilized construction is met; the anti-corrosion layer can be quickly and effectively stripped through the utility model, a great amount of time is saved for the next working procedures such as reinforcement of the sleeve of the pipeline, welding and cutting of the geminate transistors, the working efficiency of emergency repair operation is improved, the anti-corrosion layer can be preheated in the operation of stripping the anti-corrosion layer, stripping of the anti-corrosion layer can be better and quicker assisted, and the construction efficiency is higher;

furthermore, the two sides of the length of the reel body 2 are welded with the plug-in cylinder 3, the welding seam is polished, the plug-in cylinder 3 is in plug-in fit with the plug-in rod 4, the cross section of the plug-in rod 4 is preferably regular polygon, the plug-in cylinder 3 is in plug-in fit with the plug-in rod 4, the plug-in rod 4 is provided with the locking piece 5 for locking with the plug-in cylinder 3, when the handle rod 7 is connected with the reel body 2, the plug-in rod 4 and the plug-in cylinder 3 can be locked through the locking piece 5, the locking of the plug-in rod 4 by the locking piece 5 is required to be released when the handle rod 7 is disassembled, and then the plug-in rod 4 is pulled out from the interior of the plug-in cylinder 3, so that the handle rod 7 is disassembled;

in the preferred embodiment, wherein insert groove 1 runs through reel body 2 length direction one side, can make the operation of inserting of anticorrosive coiled material's initiating terminal simpler and convenient like this, simultaneously after anticorrosive coating peels off work and ends, also can utilize reel body 2 at the inside slip of anticorrosive coiled material realization anticorrosive coiled material and the separation of reel body 2, and the operation is more convenient, and the practicality is stronger.

Example 2

The inserted link 4 is far away from the insertion end of the inserted link 4 and is of an opening structure, the locking piece 5 comprises a locking piece 501, the locking piece 501 slides on the side wall of the inserted link 4, the outer end of the locking piece 501 is arc-shaped, a sliding seat 504 is installed inside the inserted link 4, the sliding seat 504 is close to the middle section position of the inserted link 4, the sliding seat 504 is in threaded connection with the inside of the inserted link 4, a thrust rod 503 slides on the sliding seat 504, the inner end of the thrust rod 503 stretches into the inside of the inserted link 4 and rotates with the locking piece 501, a rotating rod 502 is arranged at the outer end of the thrust rod 503, a push spring 505 is arranged outside the thrust rod 503, the thrust spring 505 is positioned between the sliding seat 504 and the push button 506, and is connected with a limiting ring or a limiting block at the opening end of the inserted link 4, the outer end of the push button 506 is in sliding fit with the limiting ring or the limiting block for limiting the push button 506, when the locking fastening 503 of the inserted link 4 and the inserted link 3 needs to be released, the elasticity of the push button 506 is overcome, the push button 506 can push the thrust rod 503 to move towards the inner end of the inserted link 4, the push rod 503 is pushed by the push rod 502 to rotate, and the rotating rod 502 can push the push rod 503 to rotate towards the inner end of the inserted link 4, and the side wall of the locking piece 501 can be pulled by the push rod 501 to release the locking piece 501; when the handle rod 7 needs to be installed, the inserting rod 4 is inserted into the inserting cylinder 3, the button 506 is loosened, the button 506 can be pushed to slide towards the outer side of the inserting rod 4 by utilizing the elasticity of the thrust spring 505, the rotating rod 502 is pulled by the thrust rod 503, the locking block 501 slides out from the side wall of the inserting rod 4 and is inserted into the inserting hole on the inner wall of the inserting cylinder 3, and the inserting limiting of the inserting rod 4 and the axial direction of the winding drum body 2 is realized.

Example 3

The handle rod 7 comprises a working head 701, a working rod 702 and a handle tip 703, wherein the working head 701 is used for limiting the forward and backward rotation device 6, the working rod 702 is in contact with a pipeline to be stripped to form a labor-saving lever structure, the handle tip 703 is of a conical structure, the working head 701, the working rod 702 and the handle tip 703 are integrally formed, a working bin 701a is arranged in the working head 701, a sliding groove 701b is formed in the outer wall of the working bin 701a, the forward and backward rotation device 6 comprises a ratchet 601, the ratchet 601 rotates in the working bin 701a, the outer wall of the ratchet 601 is in a continuous zigzag shape, two limiting rods 602 rotate in the working bin 701a through a torsion spring 603, the two limiting rods 602 are symmetrically arranged with the radial direction of the ratchet 601 as a reference, a toggle rod 604 for adjusting the positions of the two limiting rods 602 is symmetrically arranged in the working bin 701a, one limiting rod 602 can be in contact with the ratchet 601 through the toggle rod 604 to form a working state, and the rotation direction limiting of the ratchet 601 is realized;

further, the stirring rod 604 is in a zigzag shape, the zigzag position of the stirring rod 604 is rotationally connected with the working bin 701a through a damping rotating shaft, the outer end of the stirring rod 604 penetrates through the sliding groove 701b, a pushing block 605 for pushing any limiting rod 602 to be far away from the ratchet wheel 601 is arranged at the inner end of the stirring rod 604, when the rotation direction of the ratchet wheel 601 is adjusted, the outer end of the stirring rod 604 is pushed, the stirring rod 604 rotates, different limiting rods 602 can be pushed away from the ratchet wheel 601 by the pushing block 605 at the inner end of the stirring rod 604, limiting on the rotation direction of the ratchet wheel 601 is achieved, the limiting rod 602 comprises a rod-shaped part 602a in rotation fit with the working bin 701a, a limiting part 602b and a guiding part 602c are arranged at the movable end of the rod-shaped part 602a, the limiting part 602b is in a spike shape, the working surface of the guiding part 602c is obliquely arranged, the distal end of the inclined surface is in contact with the limiting part 602b, when in operation, the limiting part 602b enters between two saw teeth, the working surface of the guiding part 602c is in sliding contact with the saw teeth of the ratchet wheel 601, and when the reverse rotation of the winding drum body 2 occurs, the reverse rotation of the ratchet wheel can be avoided;

in another embodiment, the fold line position of the poking rod 604 is rotationally connected with the working bin 701a through a clearance fit rotating shaft, and the penetrating end of the poking rod 604 is in sliding sealing fit with the sliding groove 701b, so that the penetrating end of the poking rod 604 can reach the position of stopping along with rotation, namely, the position limitation of the poking rod 604 and the pushing block 605 is realized.

Claims (8)

1. The utility model provides a quick stripping tool of 3PE anticorrosive coating which characterized in that:

the automatic winding machine comprises a winding drum body (2) and handle rods (7), wherein the number of the handle rods (7) is two, and the handle rods can be respectively detached from two sides of the length of the winding drum body (2);

an insertion groove (1) for limiting the initial section of the rolled material is formed in the surface of the winding drum body (2), and the insertion groove (1) extends along the length direction of the winding drum body (2);

the handle rod (7) rotates to be provided with a forward-reverse rotation device (6), one side of the forward-reverse rotation device (6) facing the winding drum body (2) is connected with the inserting rod (4), and the inserting rod (4) is detachably connected with the winding drum body (2).

2. The rapid stripping tool for a 3PE corrosion protection layer according to claim 1, wherein: the two sides of the length of the winding drum body (2) are both fixed with plug-in cylinders (3), and the plug-in cylinders (3) are in plug-in fit with the plug rods (4).

3. The rapid stripping tool for a 3PE corrosion protection layer according to claim 2, wherein: the inserted link (4) is provided with a locking piece (5) for locking with the inserted cylinder (3).

4. A 3PE corrosion resistant layer quick release tool according to claim 3, characterized in that: the inserted link (4) is far away from the insertion end and is of an opening structure, the locking piece (5) comprises a locking piece (501), the locking piece (501) slides on the side wall of the inserted link (4), a sliding seat (504) is arranged in the inserted link (4), a thrust rod (503) slides on the sliding seat (504), the inner end of the thrust rod (503) stretches into the inside of the inserted link (4), and rotate with dwang (502) between latch segment (501), button (506) are installed to the outer end of distance rod (503), thrust spring (505) are installed in the distance rod (503) outside, thrust spring (505) are located between sliding seat (504) and button (506).

5. A rapid stripping tool for a 3PE corrosion protection layer according to any one of claims 1-4, characterized in that: the handle rod (7) comprises a working head (701), a working rod (702) and a handle tip (703), and the working head (701) is used for limiting the forward and reverse rotation device (6).

6. The rapid stripping tool for a 3PE corrosion protection layer according to claim 5, wherein: be equipped with work bin (701 a) on work head (701), work bin (701 a) outer wall is equipped with sliding tray (701 b), positive and negative rotation device (6) include ratchet (601), ratchet (601) rotate in work bin (701 a), still rotate through torsional spring (603) in work bin (701 a) have two limit pole (602), two limit pole (602) regard ratchet (601) radial as the benchmark symmetry setting for to the rotation direction of ratchet (601) is spacing, work bin (701 a) internal rotation has be used for adjusting two limit pole (602) toggle lever (604).

7. The rapid stripping tool for a 3PE corrosion protection layer according to claim 6, wherein: the toggle rod (604) is in a zigzag shape, the outer end of the toggle rod (604) penetrates through the sliding groove (701 b), and a pushing block (605) for pushing any limiting rod (602) to be far away from the ratchet wheel (601) is arranged at the inner end of the toggle rod.

8. The rapid stripping tool for a 3PE corrosion protection layer according to claim 7, wherein: the limiting rod (602) comprises a rod-shaped portion (602 a) rotatably connected with the working bin (701 a), and a limiting portion (602 b) and a guiding portion (602 c) are arranged at the movable end of the rod-shaped portion (602 a).