CN213439396U - Expand tube demolishs instrument - Google Patents

Abstract

The utility model discloses an expand tube demolition tool, including position sleeve and inserted bar, the position sleeve includes the body, the rigid coupling has the crescent post on the body, the crescent post can laminate in the inner wall of expand tube inserts to the expand tube, has seted up the locating hole on the body, the pore wall part of locating hole aims at the outer wall setting of expand tube; the inserted bar can be aligned to the position where the expand tube is located along the part of the hole wall of the expand tube on the positioning hole so as to extrude the expand tube to deform. The utility model discloses can fix a position on the expand tube with the crescent post of position sleeve, then insert the pore wall of locating hole on the inserted bar along the position sleeve to the expand tube to the realization is to the extrusion deformation of expand tube, plays the effect that breaks away from the equipment body with the expand tube, and then plays the effect of being convenient for dismantle the account pipe from the equipment body, improves the work effect of dismantling the expand tube simultaneously.

Description

Expand tube demolishs instrument

Technical Field

The utility model belongs to the technical field of mechanical tool is relevant, especially relate to an expand tube demolishs instrument.

Background

When equipment bodies such as boilers and pressure vessels are maintained, the situation that a large number of expanded pipes are removed and then the pipe bundles are replaced and repaired is often encountered. However, when the expansion pipe is assembled in a boiler and a pressure container for use, the expansion pipe is usually tightened and fixed with the apparatus body, so that the expansion pipe cannot be easily detached from the apparatus body. Aiming at the problem, the conventional enterprise usually adopts a mode of strongly knocking the expanded pipe head by a large cone, and the expanded pipe can be detached from the equipment body by the mode, so that the labor intensity is high, the efficiency is low, and the use requirements of the enterprise cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a tube expansion removal tool for solving the technical problems in the prior art.

Specifically, an expansion pipe removal tool includes:

the positioning sleeve comprises a body, a crescent post is fixedly connected to the body and can be attached to the inner wall of the expansion pipe to be inserted into the expansion pipe, a positioning hole is formed in the body, and the hole wall of the positioning hole is aligned to the outer wall of the expansion pipe;

the inserted bar can be aligned to part of the hole wall of the expansion pipe along the positioning hole and inserted to the position of the expansion pipe so as to extrude the deformation of the expansion pipe.

As the utility model discloses an optimal scheme, the crescent moon post perpendicular to the body sets up, just the crescent moon post insert extremely during in the expand tube, the body can laminate in the mouth of pipe setting of expand tube.

As the preferred scheme of the utility model, the crescent post has the circular arc wainscot, the circular arc wainscot of crescent post can laminate in the inner wall of expand tube insert extremely in the expand tube.

As the preferred scheme of the utility model, the transversal personally submitting of locating hole is circular.

As the preferred scheme of the utility model, the part on the pore wall of locating hole apart from the circular arc wainscot of crescent post farthest aims at the outer wall setting of expand tube.

As the preferred proposal of the utility model, the crescent post and the body are designed into an integral structure.

As the utility model discloses a preferred scheme, the inserted bar includes the cone, one of them side end face of cone is established to be can laminate in the arc surface of locating hole pore wall, opposite side end face is established to the tangent plane.

As the utility model discloses an optimal scheme, be equipped with the boss on the conical head, the boss can extrude the expand tube takes place to deform.

As the utility model discloses a preferred scheme, the boss with be equipped with the transition face between the tip of cone, the transition face is established to the plane.

As the preferred proposal of the utility model, the lug boss is arranged at the middle position of the conical head.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model provides an expand tube demolising tool can fix a position on the expand tube with the crescent moon post of position sleeve, then inserts the pore wall of locating hole on the inserted bar along the position sleeve to the expand tube to realize the extrusion deformation to the expand tube, play the effect that breaks away from the equipment body with the expand tube, and then play the effect of being convenient for dismantle the account pipe from the equipment body, improve the work effect of dismantling the expand tube simultaneously.

Drawings

Fig. 1 is a schematic structural view of a pipe expander dismantling tool according to an embodiment of the present invention during operation.

Fig. 2 is a schematic structural view of the middle positioning sleeve of the present invention.

Fig. 3 is a cross-sectional view of the middle positioning sleeve and the expanding tube of the present invention.

Fig. 4 is a schematic structural view of the cone head on the middle peg of the present invention.

Wherein, 10, the locating sleeve; 11. a body; 12. a crescent pillar; 121. arc veneering; 13. positioning holes; 20. inserting a rod; 21. a conical head; 211. cutting into noodles; 22. a boss; 221. a transition surface; 200. and (5) expanding the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides an expanding tube removing tool, which includes a positioning sleeve 10 and an insertion rod 20 engaged with the positioning sleeve 10.

In the present embodiment, the positioning sleeve 10 can cooperate with the tube expander 200 on the device body 201 to realize the assembling and positioning of the tube expander dismantling tool on the tube expander.

Specifically, the positioning sleeve 10 of the present embodiment includes a body 11 and a crescent 12 fixedly connected to the body 11, and the crescent 12 can be inserted into the expanding tube 200 in close contact with the inner wall of the expanding tube 200, so as to implement the assembling connection of the positioning sleeve 10 on the expanding tube 200.

Wherein, the crescent 12 is perpendicular to the body 11 and is set up, and when the crescent 12 was inserted to the expand tube 200 in, the body 11 can be laminated in the mouth of pipe setting of expand tube 200 to this realizes that position sleeve 10 passes through the erection joint of crescent 12 on expand tube 200.

Further, the crescent post 12 and the body 11 of the present embodiment are formed as an integral structure, thereby facilitating the production and preparation of the positioning sleeve 10 as a whole.

The crescent post 12 of the present embodiment has the arc facing 121, and the arc facing 121 of the crescent post 12 can be attached to the inner wall of the tube expander 200 and inserted into the tube expander 200, thereby improving the stability of the positioning sleeve 10 when being assembled on the tube expander 200 through the crescent post 12. It should be noted that the arc angle corresponding to the arc facing surface 121 on the crescent 12 can be specifically set according to the use requirement, and will not be elaborated herein.

The positioning sleeve 10 of the present embodiment has a positioning hole 13 formed in the body 11, and a hole wall portion of the positioning hole 13 is aligned with an outer wall of the expansion pipe 200, so that the insertion rod 20 of the present embodiment can be inserted into the expansion pipe 200 along the hole wall of the positioning hole 13 of the body 11, thereby ensuring that the inserted expansion pipe 200 can accurately act on a gap position between the expansion pipe 200 and the device body 201, and extruding the expansion pipe 200 to deform.

The positioning hole 13 of the present embodiment has a circular cross section, so that the positioning hole 13 is opened in the body 11. Of course, the shape of the positioning hole 13 is not limited to that shown in the drawings, and those skilled in the art can adopt other shapes for the positioning hole 13, and the description thereof will not be provided herein.

In the present embodiment, the portion of the hole wall of the positioning hole 13 farthest from the arc facing surface 121 of the crescent 12 is provided to be aligned with the outer wall of the expander 200.

As can be seen from the above, the insertion rod 20 of the present embodiment can be inserted into the position of the expansion pipe 200 along the positioning hole 13 aligned with a part of the hole wall of the expansion pipe 200, so as to press and deform the expansion pipe 200.

Specifically, the insertion rod 20 of the present embodiment includes a tapered head 21, one end surface of the tapered head 21 is an arc surface that can be fitted to the hole wall of the positioning hole 13, and the other end surface is a tangent surface 211, so that when the insertion rod 20 of the present embodiment is in operation, the arc surface on the tapered head 21 is fitted to the hole wall of the positioning hole 13 and inserted into the expansion pipe 200, and the tangent surface 211 on the tapered head 21 is used to press the assembly gap between the expansion pipe 200 and the device body 201, thereby achieving driving of deformation of the expansion pipe 200.

Further, the conical head 21 of the present embodiment is provided with the boss 22, and the boss 22 can extrude the expansion tube 200 to deform, so that the conical head 21 of the insertion rod 20 can push the expansion tube 200 to deform by using the boss 22 in the process of extruding the expansion tube 200 to deform, thereby improving the deformation degree of the expansion tube 200 when the insertion rod 20 acts on the expansion tube 200, specifically bending the part of the expansion tube 200 contacting with the boss 22 toward the opposite side, and having the function of taking out the expansion tube 200 separated from the device body 201.

Wherein, a transition surface 221 is arranged between the boss 22 and the end of the conical head 21, and the transition surface 221 is a plane so that the conical head 21 on the insertion rod 20 can be inserted into the assembly gap between the expansion pipe 200 and the equipment body 201, and can be transited from the end of the insertion rod 20 to the boss 22.

Further, a boss 22 is provided at the center of the conical head 21.

To sum up, the utility model provides an expand tube demolition tool can fix a position on the expand tube with the crescent post of position sleeve, then inserts the pore wall of locating hole on the inserted bar along the position sleeve to the expand tube to the extrusion deformation to the expand tube is realized, plays the effect that breaks away from the equipment body with the expand tube, and then plays the effect of being convenient for dismantle the account pipe from the equipment body, improves the working effect of dismantling the expand tube simultaneously.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An expansion tube removal tool, comprising:

the positioning sleeve comprises a body, a crescent post is fixedly connected to the body and can be attached to the inner wall of the expansion pipe to be inserted into the expansion pipe, a positioning hole is formed in the body, and the hole wall of the positioning hole is aligned to the outer wall of the expansion pipe;

the inserted bar can be aligned to part of the hole wall of the expansion pipe along the positioning hole and inserted to the position of the expansion pipe so as to extrude the deformation of the expansion pipe.

2. The tube expander removal tool of claim 1, wherein the crescent post is disposed perpendicular to the body, and the body is capable of fitting into a mouth setting of the tube expander when the crescent post is inserted into the tube expander.

3. The tube expander removal tool of claim 2, wherein the crescent post has a circular arc facing, the circular arc facing of the crescent post being insertable into the tube expander in conformity with an inner wall of the tube expander.

4. The tube expander removal tool of claim 3, wherein the pilot hole is circular in cross-section.

5. The tube expander removal tool of claim 4, wherein a portion of the wall of the locating hole furthest from the arc facing surface of the crescent post is aligned with the outer wall of the tube expander.

6. The tube expander removal tool of claim 2, wherein the crescent post is provided as a unitary structure with the body.

7. The pipe expander demolition tool of claim 1 wherein the insertion rod comprises a conical head, one end face of which is configured as a circular arc surface capable of fitting against the wall of the positioning hole and the other end face is configured as a tangent surface.

8. The tube expander demolition tool according to claim 7, wherein the conical head is provided with a boss capable of extruding the tube expander to deform.

9. The tube expander removal tool of claim 8, wherein a transition surface is provided between the boss and the end of the cone head, the transition surface being provided as a flat surface.

10. The tube expander removal tool of claim 8, wherein the boss is provided at an intermediate position of the cone head.

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