A tensioner for straightening high-pressure manifold pipes

Abstract

The application discloses a tensioner for straight pipe thickening for high-pressure manifold, which comprises an extension pipe, inner bushings are fixed to the inner walls of the two sides of the extension pipe, through holes are formed in the side walls of the two inner bushings, an extension pull rod is in abutment with the inner walls of the two through holes, a locking sleeve is in abutment with the side wall of one of the inner bushings, a placing groove is formed in the side wall of the locking sleeve, a pull cone is in abutment with the inner wall of the placing groove, and a limiting connecting device is arranged on the side wall of the extension pull rod. In the device, the placing groove and the pull cone are tapered, the locking sleeve is forced to open during the movement of the pull cone, the thickening treatment of the straight pipe can be realized, the diameter of the outer wall of the extension pipe is consistent with the inner wall of the straight pipe after the treatment, the movement of the straight pipe during the thickening treatment can be realized, the effective operation of the straight pipe thickening process can be ensured, the inside of the straight pipe can be completely thickened, and the overall thickening of the straight pipe is more convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high-pressure manifold integral straight pipe upsetting, in particular to a straight pipe upsetting tensioner for high-pressure manifold. BACKGROUND

[0002] The manifold is a combination of multiple pipelines. The manifold includes gate valves, pipelines, pipe fittings, pressure gauges, and electronic sensors, hydraulic control systems, and other accessories. The manifold has many types, and different structures have different purposes. Upsetting is a forging process that reduces the height of the blank and increases the cross-section. The function of upsetting includes obtaining a larger cross-section and smaller height of the forging from a smaller cross-section blank.

[0003] Because the lengths of the high-pressure manifold integral straight pipes are different, in order to meet market demand, some shorter length specifications of the integral straight pipes need to be upset. However, the traditional tensioner cannot completely upset the shorter straight pipes, which affects the use of the high-pressure manifold. Therefore, according to the actual situation of the upsetting site, an extension mechanism that can meet the upsetting demand of the shorter integral straight pipes is designed, that is, a straight pipe upsetting tensioner for high-pressure manifold. SUMMARY

[0004] The purpose of the present application is to solve the problem of the prior art that the straight pipe cannot be completely upset, and a straight pipe upsetting tensioner for high-pressure manifold is provided.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0006] A straight pipe upsetting tensioner for high-pressure manifold, comprising an extension pipe, the inner walls of both sides of the extension pipe are fixed with inner bushings, the side walls of the two inner bushings are both provided with through holes, the inner walls of the two through holes are provided with an extension pull rod, the side wall of one of the inner bushings is provided with a locking sleeve, the side wall of the locking sleeve is provided with a placing groove, the inner wall of the placing groove is provided with a pull cone, and the side wall of the extension pull rod is provided with a limiting connection device.

[0007] Preferably, the placing groove is conical, and the pull cone is a conical block.

[0008] Preferably, the limiting connection device comprises an internal thread groove provided at one end of the extension pull rod, a threaded rod is fixed at the end of the pull cone, and the threaded rod corresponds to the internal thread groove.

[0009] Preferably, the circumferential side wall of the extension pull rod is provided with an external thread, a bolt is rotationally connected to the circumferential side wall of the extension pull rod, the bolt corresponds to the external thread, and the bolt abuts against the end of the other inner bushing.

[0010] Preferably, the circumferential side wall of the locking sleeve is provided with two grooves, both of which are annular grooves, and both of which are internally provided with springs.

[0011] Preferably, the circumferential side wall of the locking sleeve is fixed with a plurality of jaws, all of which are in abutment with the inner wall of the thickened straight pipe, and the diameter of the lengthened pipe corresponds to that of the thickened straight pipe.

[0012] Compared with the prior art, the present application has the following advantages:

[0013] 1. In the device, the connecting device is arranged to quickly connect the locking sleeve, the lengthened pull rod and the lengthened pipe, the tensioner is conveniently disassembled and installed on the lengthened pipe of different lengths, the length of the straight pipe can be adjusted, and the applicability of the tensioner is higher.

[0014] 2. In the device, the tapered placement groove and the pull cone are arranged, the locking sleeve is forced to open during the movement of the pull cone, the thickening of the straight pipe is realized, the diameter of the outer wall of the lengthened pipe is consistent with that of the inner wall of the straight pipe after the thickening, the movement of the straight pipe during the thickening is facilitated, the effective operation of the straight pipe during the thickening is ensured, the inside of the straight pipe is completely thickened, and the overall thickening of the straight pipe is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structure diagram of a tensioner for thickening a straight pipe for a high-pressure manifold is provided.

[0016] Figure 2 A main sectional view of a tensioner for thickening a straight pipe for a high-pressure manifold is provided.

[0017] Figure 3 A Figure 2 An enlarged view of part A.

[0018] In the figure: 1 lengthened pipe, 2 inner sleeve, 3 through hole, 4 lengthened pull rod, 5 locking sleeve, 6 placement groove, 7 pull cone, 8 internal thread groove, 9 threaded rod, 10 groove, 11 spring, 12 jaw, 13 external thread, 14 bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0020] Referring to Figures 1-3The utility model provides a kind of high-pressure manifold straight pipe thickening is used to tightener, including lengthening pipe 1, the inner wall of both sides of lengthening pipe 1 is fixed with inner bushing 2, the side wall of two inner bushings 2 is all through and is equipped with through-hole 3, the inner wall of two through-holes 3 is commonly resisted with extension pull rod 4, extension pull rod 4 adopts integral modulation processing, the side wall of one of inner bushings 2 is resisted with locking sleeve 5, locking sleeve 5 is made of round steel and is tempered, the side wall of locking sleeve 5 is equipped with placing groove 6, the inner wall of placing groove 6 is resisted with pull cone 7, the side wall of extension pull rod 4 is provided with limit connecting device;Placing groove 6 is conical, pull cone 7 is conical block, in the moving process of pull cone 7 along the inner wall of placing groove 6, locking sleeve 5 will be forced to open, so that the thickening processing of straight pipe can be realized.

[0021] Limit connecting device includes inner thread groove 8 in the one end of extension pull rod 4, the end of pull cone 7 is fixed with threaded rod 9, threaded rod 9 corresponds with inner thread groove 8;The circumferential side wall of extension pull rod 4 is provided with outer thread 13, the circumferential side wall of extension pull rod 4 is rotatably connected with bolt 14, bolt 14 corresponds with outer thread 13, bolt 14 is resisted with the end of another inner bushing 2, by being provided with limit connecting device, the connection of locking sleeve 5 and extension pull rod 4 and lengthening pipe 1 can be quickly realized, so that tightener can be conveniently installed and used on lengthening pipe 1 of different lengths, can be adjusted according to the length of straight pipe, so that the applicability of tightener is higher;The circumferential side wall of locking sleeve 5 is equipped with two recesses 10, two recesses 10 are annular grooves, the inside of two recesses 10 is placed with spring 11, locking sleeve 5 can be conveniently contracted using spring 11;The circumferential side wall of locking sleeve 5 is fixed with a plurality of jaws 12, a plurality of jaws 12 are all resisted with the inner wall of thickening straight pipe, the diameter of lengthening pipe 1 corresponds with thickening straight pipe, since the diameter of the outer wall of lengthening pipe 1 is consistent with the inner wall of straight pipe after processing, the movement of straight pipe can be conveniently realized in thickening process, the complete thickening of the inside of straight pipe can be realized while ensuring the effective operation of straight pipe thickening process, so that the overall thickening of straight pipe is more convenient.

[0022] In the utility model, when the shorter straight pipe is thickened, first, locking sleeve 5 is sleeved on pull cone 7, so that pull cone 7 is resisted with the placing groove 6 in the inside of locking sleeve 5, then the positions of inner thread groove 8 and threaded rod 9 need to be aligned, locking sleeve 5 and pull cone 7 are rotated, threaded rod 9 is rotated to the inside of inner thread groove 8, the connection of pull cone 7 and extension pull rod 4 is realized, then extension pull rod 4 is pulled, locking sleeve 5 is resisted with the end of one of inner bushings 2, bolt 14 is rotated along outer thread 13 on extension pull rod 4 until bolt 14 is resisted with another inner bushing 2, at this time, the stable connection of tightener and lengthening pipe 1 can be realized, by being provided with the tightener that can be conveniently disassembled, the tightener can be conveniently used on lengthening pipe 1 of different lengths, so that the length of straight pipe can be adjusted, so that the applicability of tightener is higher.

[0023] After the tensioner is installed, first need to set the straight pipe to the locking sleeve 5, so that the locking sleeve 5 outer wall of the jaw 12 and the straight pipe inner wall, at this time by pulling the extension rod 4, so that the extension rod 4 drive pull cone 7 to the inner sleeve 2 direction horizontal movement, in the process of pull cone 7 along the placement groove 6 inner wall movement, can force the locking sleeve 5 open, so as to utilize the locking sleeve 5 and the jaw 12, realize the straight pipe inner wall of the tensioning and roughening treatment.

[0024] And because the outer diameter of the lengthening pipe 1 and the roughened straight pipe inner diameter remain consistent, so as to facilitate the straight pipe feeding and discharging during the roughening process, ensure the effective operation of the straight pipe roughening process, at the same time, with the help of the lengthening pipe 1, the straight pipe can be conveniently roughened inside, so that the overall roughening effect of the straight pipe is better, and the spring 11 placed in the groove 10 can conveniently loosen the locking sleeve 5.

[0025] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art, according to the technical solution and the inventive concept of the present application, within the scope of the present application, equivalent replacement or change, should be covered within the protection scope of the present application.

Claims

1. A tensioner for straightening and roughening of high-pressure manifold pipes, comprising an extension pipe (1), characterized in that, The both sides of the lengthened pipe (1) are fixed with inner bushings (2), the side walls of the two inner bushings (2) are provided with through holes (3), the inner walls of the two through holes (3) are provided with an extension pull rod (4) in common, the side wall of one of the inner bushings (2) is provided with a locking sleeve (5), the side wall of the locking sleeve (5) is provided with a placing groove (6), the inner wall of the placing groove (6) is provided with a pull cone (7), the side wall of the extension pull rod (4) is provided with a limiting connection device; the placing groove (6) is conical, the pull cone (7) is a conical block; the limiting connection device comprises an inner thread groove (8) provided at one end of the extension pull rod (4), the end of the pull cone (7) is fixed with a threaded rod (9), the threaded rod (9) corresponds to the inner thread groove (8).

2. A tensioner for straightening and roughening a straight pipe stub for a high-pressure manifold according to claim 1, characterized by The circumferential side wall of the extension pull rod (4) is provided with an external thread (13), the circumferential side wall of the extension pull rod (4) is rotatably connected with a bolt (14), the bolt (14) corresponds to the external thread (13), and the bolt (14) abuts against the end of the other inner bushing (2).

3. The high-pressure manifold straight pipe bumping-up tensioner according to claim 2, characterized by The circumferential side wall of the locking sleeve (5) is provided with two grooves (10), the two grooves (10) are annular grooves, and the two grooves (10) are both placed with springs (11).

4. The high-pressure manifold straight pipe bumping-up tensioner according to claim 3, characterized by The circumferential side wall of the locking sleeve (5) is fixed with a plurality of clamping teeth (12), the plurality of clamping teeth (12) abut against the inner wall of the thickened straight pipe, and the diameter of the lengthened pipe (1) corresponds to the thickened straight pipe.

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