CN210849036U

CN210849036U - Pipe weld joint clamping spot welding fixture

Info

Publication number: CN210849036U
Application number: CN201921969795.1U
Authority: CN
Inventors: 樊启洪; 胡葵; 唐超; 李伟峰; 乔金; 黄林; 代含军; 李庆
Original assignee: Wuhan Qidakang Environmental Protection Technology Stock Co ltd
Current assignee: Wuhan Qidakang Environmental Protection Technology Stock Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-26
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a pipe weld seam clamping spot welding anchor clamps in anchor clamps technical field, including first hinge pin, the outer wall of first hinge pin has cup jointed last compact heap respectively and has pressed down the compact heap, and the outer wall welding of going up the compact heap has the second hinge pin, and the outer wall of second hinge pin has cup jointed the screw rod, and the outer wall spiro union of screw rod has fastening nut, and the tip of going up compact heap and pressing down the compact heap all opens the notch, this device simple structure, convenient to use, low cost can effectively realize the pipe clamping, the weld seam group is to, spot welding, satisfies the concentricity and the weld seam clearance requirement of pipeline.

Description

Pipe weld joint clamping spot welding fixture

Technical Field

The utility model discloses a pipe weld joint clamping spot welding anchor clamps specifically is anchor clamps technical field.

Background

At present, the pipeline aligning workload of a pipeline construction site is large, a plurality of welded junctions are formed, and the operation difficulty is very large. The specification of pipeline, form are various, and especially natural gas compressor equipment unit process gas pipeline wall thickness and material are high, and pipeline butt welding work volume is big, is difficult to aim at it through artifical the looking for to the inefficiency of butt joint, the concentricity of pipeline are difficult to control, cause welding quality poor. Once reworking is caused, the cost is increased, and the project construction period is influenced. And no aligning device suitable for a process gas pipeline of a natural gas compressor equipment unit is arranged on the purchase market to position and align the pipeline, so that the aligning operation is inconvenient on site. Therefore, in order to ensure the engineering quality and improve the working efficiency, a clamp for aligning the process gas pipeline of the natural gas compressor equipment unit needs to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe crater clamping spot welding anchor clamps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipe weld joint clamping spot welding anchor clamps, includes first hinge pin, the outer wall of first hinge pin has cup jointed last compact heap and lower compact heap respectively, the outer wall welding of going up the compact heap has the second hinge pin, the outer wall of second hinge pin has cup jointed the screw rod, the outer wall spiro union of screw rod has fastening nut, the tip of going up compact heap and lower compact heap all opens the notch.

Preferably, waist-shaped holes are formed in the outer walls of the upper pressing block and the lower pressing block.

Preferably, the viewing walls of the upper pressing block and the lower pressing block are both provided with arc grooves.

Preferably, the upper pressing block and the lower pressing block are identical in structure, the upper pressing block is formed by welding a sleeve and a pressing plate, and reinforcing ribs are welded between the sleeve and the pressing plate.

Preferably, the inner walls of the arc grooves of the upper pressing block and the lower pressing block are respectively screwed with an anti-slip pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device is provided with a first hinge shaft, an upper pressing block, a lower pressing block, a notch, a second hinge shaft, a screw rod and a fastening nut, adopts a loose-leaf structure, and can effectively clamp a pipe by rotating the upper pressing block and the lower pressing block to be close to each other, rotating the screw rod to be clamped with the notch and screwing the fastening nut;

2) this device is opened at the outer wall of last compact heap and compact heap down and is had waist type hole, realizes weld crater group through waist type hole to right, spot welding, satisfies the concentricity and the weld crater clearance requirement of pipeline, and this device simple structure, convenient to use, low cost can effectively realize pipe clamping, weld crater group to, spot welding, satisfies the concentricity and the weld crater clearance requirement of pipeline.

Drawings

FIG. 1 is a schematic structural view of a clamping spot welding fixture for a pipe weld seam of the present invention;

FIG. 2 is a schematic view of the working state of the clamping spot welding fixture for the pipe craters of the present invention;

fig. 3 is the schematic view of the working state of the pipe crater clamping spot welding fixture of the utility model.

In the figure: 100 first hinge axis, 200 upper compression block, 210 kidney-shaped hole, 300 lower compression block, 400 second hinge axis, 410 screw, 420 fastening nut, 430 notch.

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.

The utility model provides a pipe crater clamping spot welding fixture, can effectively realize pipe clamping, crater group to, spot welding, satisfy the concentricity of pipeline and crater clearance requirement, please refer to fig. 1, fig. 2 and fig. 3, including first hinge axis 100, first hinge axis 100 is used for installing compact heap 200 and lower compact heap 300, and upper compact heap 200 and lower compact heap 300 realize around first hinge axis 100 that the fixture opens or closes;

referring to fig. 1, 2 and 3 again, the outer wall of the first hinge shaft 100 is sleeved with an upper compression block 200 and a lower compression block 300 respectively, and the upper compression block 200 and the lower compression block 300 are used for clamping or loosening the pipeline;

referring to fig. 1, 2 and 3 again, a second hinge shaft 400 is welded to the outer wall of the upper compression block 200, a screw 410 is sleeved on the outer wall of the second hinge shaft 400, a fastening nut 420 is screwed on the outer wall of the screw 410, notches 430 are formed at the end portions of the upper compression block 200 and the lower compression block 300, the second hinge shaft 400 is used for mounting the screw 410, the screw 410 rotates around the second hinge shaft 400, the fastening nut 420 is used for adjusting the distance between the fastening nut 420 and the screw 410, and the notches 430 are used for clamping the screw 410 with the upper compression block 200 and the lower compression block 300;

referring to fig. 3, waist-shaped holes 210 are formed in the outer walls of the upper pressing block 200 and the lower pressing block 300, and the waist-shaped holes 210 are used for fillet pairing and spot welding to meet the requirements of concentricity of a pipeline and fillet clearance;

referring to fig. 1 and 2, arc grooves are formed in the viewing walls of the upper compression block 200 and the lower compression block 300, and are used for increasing the contact area between the upper compression block 200 and the outer wall of the pipeline and between the lower compression block 300 and the pipeline, and increasing the friction between the upper compression block 200 and the pipeline and between the lower compression block 300 and the pipeline;

referring to fig. 1, 2 and 3, the upper compressing block 200 and the lower compressing block 300 have the same structure, the upper compressing block 200 is formed by welding a sleeve and a pressing plate, and reinforcing ribs are welded between the sleeve and the pressing plate to improve the structural strength of the upper compressing block 200;

referring to fig. 1 and 2, the inner walls of the arc grooves of the upper pressing block 200 and the lower pressing block 300 are respectively screwed with a non-slip mat, so that the friction force between the inner walls of the arc grooves of the upper pressing block 200 and the lower pressing block 300 is improved.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a pipe crater clamping spot welding anchor clamps which characterized in that: the hinge joint comprises a first hinge shaft (100), wherein an upper compression block (200) and a lower compression block (300) are respectively sleeved on the outer wall of the first hinge shaft (100), a second hinge shaft (400) is welded on the outer wall of the upper compression block (200), a screw rod (410) is sleeved on the outer wall of the second hinge shaft (400), a fastening nut (420) is screwed on the outer wall of the screw rod (410), and notches (430) are formed in the end parts of the upper compression block (200) and the lower compression block (300).

2. The pipe crater clamping spot welding fixture according to claim 1, characterized in that: waist-shaped holes (210) are formed in the outer walls of the upper pressing block (200) and the lower pressing block (300).

3. The pipe crater clamping spot welding fixture according to claim 1, characterized in that: arc grooves are formed in the viewing walls of the upper pressing block (200) and the lower pressing block (300).

4. The pipe crater clamping spot welding fixture according to claim 1, characterized in that: the structure of the upper pressing block (200) is the same as that of the lower pressing block (300), the upper pressing block (200) is formed by welding a sleeve and a pressing plate, and reinforcing ribs are welded between the sleeve and the pressing plate.

5. The pipe crater clamping spot welding fixture according to claim 3, characterized in that: the inner walls of the arc grooves of the upper pressing block (200) and the lower pressing block (300) are respectively screwed with an anti-slip pad.