CN211991677U

CN211991677U - Petrochemical pipeline welding jig device

Info

Publication number: CN211991677U
Application number: CN202020697207.XU
Authority: CN
Inventors: 袁龙江
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-24
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a petrochemical engineering pipeline welding jig device belongs to welding jig device technical field. The utility model provides a petrochemical engineering pipeline welding jig device, includes two sets of lower clamps, two sets of last clamps, fixedly connected with dead lever on the clamp, clamp one end is equipped with the connecting block down, it is connected with first pivot to rotate on the connecting block, it rotates through first pivot to be connected between last clamp and the connecting block, the one end that the connecting block was kept away from to the clamp down is rotated and is connected with the bolt, it is connected with the nut to rotate on the bolt, it is connected with the locking plate to rotate on last clamp, the clamp down, locking plate one end is rotated and is connected with the second pivot, be equipped with the semicircle on the locking plate, the utility model discloses a having set up the telescopic link and having set up the locking plate in the clamp between the dead lever, the adjustment pipeline about can make its deviation fall to the minimum.

Description

Petrochemical pipeline welding jig device

Technical Field

The utility model relates to a welding jig technical field especially relates to a petrochemical engineering pipeline welding jig device.

Background

The welding fixture is a fixture for welding, and is used for positioning and fixing a workpiece during welding, so that the fixture is needed, otherwise, the welding generates a large amount of heat, so that the workpiece naturally deforms due to large thermal stress, and the workpiece cannot meet the requirement of form and position tolerance although the fixture has stress, but cannot deform.

In the pipeline processes such as petrochemical, because the distance is very long, can not be a long pipe, need a lot of pipe to link together, in the place that pipe and pipe link to each other, need the welding together, because these pipelines generally bury deeply underneath, need have fine leakproofness, just so can reduce the leakage accident, guarantee the transportation, present anchor clamps are mostly complicated in structure, troublesome poeration, the deviation can take place in the centre gripping process moreover, cause the welding seam too big, influence welding quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the above-mentioned background art, and a petrochemical engineering pipeline welding jig device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a petrochemical engineering pipeline welding fixture device comprises two groups of lower clamps and two groups of upper clamps, wherein the upper clamps and the lower clamps are fixedly connected with fixing rods, a telescopic rod is fixedly connected between the two fixing rods, the telescopic rod is sleeved with a tension spring, two ends of the tension spring are respectively and fixedly connected with two fixed rods, one end of the lower hoop is provided with a connecting block, the connecting block is rotatably connected with a first rotating shaft, the first rotating shaft is rotatably connected with the upper hoop, one end of the lower hoop, which is far away from the connecting block, is rotatably connected with a bolt, the bolt is rotatably connected with a nut, the bolt is matched with the nut, the upper clamp and the lower clamp are both rotationally connected with locking plates, one end of the locking plate is rotatably connected with a second rotating shaft, a semicircular arc is arranged on the locking plate, and the locking plate is rotatably connected with the semicircular arc through the second rotating shaft.

Preferably, the fixed rods are provided with grooves, the grooves are provided with push-pull rods, and the push-pull rods are connected with the fixed rods in a sliding mode through the grooves.

Preferably, the inner wall of the semicircular arc is provided with a protective pad.

Preferably, the opening range between the upper clamp and the lower clamp is 0-180 degrees.

Preferably, fixedly connected with gasket on the clamp down, be equipped with the round hole on the gasket, the round hole and bolt phase-match.

Compared with the prior art, the utility model provides a petrochemical engineering pipeline welding jig device possesses following beneficial effect:

1. when the petrochemical pipeline welding fixture device is used, a user unscrews a nut on a bolt, the upper clamp and the lower clamp are rotationally connected through the first rotating shaft, so the clamps can be opened and clamped on a pipeline, the inner sides of the upper clamp and the lower clamp are respectively provided with a fixed rod, a telescopic rod is fixedly connected between the two groups of fixed rods to prevent the clamps from shaking, and a push-pull rod is slidably connected on the fixed rods, so the user can adjust the distance between the left clamp and the right clamp by pushing the push-pull rod and can also lock the clamps by locking a semi-circular arc to prevent the telescopic rod from extending and contracting under the action of a tension spring, then the nut is sleeved on the bolt to tightly fix the pipeline to prevent the pipeline from greatly deviating, if a slight difference still exists between the pipelines, the two locking plates can be rotated, the locking plates drive the second rotating shaft to rotate, and, the semi-circular arc is rotatably connected with the locking plate through the second rotating shaft, so that when the locking plate is rotated, the deviation between pipelines is adjusted through the semi-circular arc, and the pipelines cannot be damaged;

the device does not involve the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses a set up the telescopic link between the dead lever, set up the locking plate in the clamp, the adjustment pipeline about can be from top to bottom makes its deviation fall to the minimum, has improved welding quality.

Drawings

Fig. 1 is a schematic structural view of a petrochemical engineering pipeline welding jig device provided by the utility model;

FIG. 2 is a schematic structural view of a clamp of the petrochemical engineering pipeline welding jig device provided by the present invention;

FIG. 3 is a schematic structural view of a second rotating shaft of the petrochemical engineering pipeline welding jig device provided by the present invention;

FIG. 4 is a schematic view of a first rotating shaft of a petrochemical pipeline welding jig device according to the present invention;

fig. 5 is the utility model provides a petrochemical engineering pipeline welding jig device a part's schematic structure.

In the figure: 1. a lower hoop; 2. an upper hoop; 3. a bolt; 4. a locking plate; 5. a push-pull rod; 6. a tension spring; 7. a telescopic rod; 8. fixing the rod; 9. a semicircular arc; 10. a first rotating shaft; 11. connecting blocks; 301. a nut; 302. a gasket; 401. a second rotating shaft.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, a petrochemical engineering pipeline welding jig device includes two sets of lower clamps 1, two sets of upper clamps 2, equal fixedly connected with dead lever 8 on clamp 1 down, fixedly connected with telescopic link 7 between two dead levers 8, tension spring 6 has been cup jointed on the telescopic link 7, tension spring 6 both ends respectively with two dead lever 8 fixed connection, 1 one end of clamp is equipped with connecting block 11 down, it is connected with first pivot 10 to rotate on the connecting block 11, first pivot 10 rotates and connects on last clamp 2, the one end that connecting block 11 was kept away from to clamp 1 down rotates and is connected with bolt 3, it is connected with nut 301 to rotate on bolt 3, bolt 3 and nut 301 phase-match, go up clamp 2, it is connected with locking plate 4 all to rotate on the clamp 1 down, 4 one end of locking plate rotates and is connected with second pivot 401, be equipped with semicircle 9 on the locking plate 4, rotate through second pivot 401 between locking plate 4 and the semicircle 9 and be connected.

All be equipped with the recess on the dead lever 8, be equipped with push-and-pull rod 5 on the recess, through recess sliding connection between push-and-pull rod 5 and the dead lever 8, push-and-pull rod 5 can be dismantled, makes things convenient for the dismouting.

The inner wall of the semicircular arc 9 is provided with a protective pad to prevent the semicircular arc 9 from damaging the pipeline.

The opening range between the upper clamp 2 and the lower clamp 1 is 0-180 degrees, so that the pipe cannot be clamped due to the small opening range between the clamps.

Fixedly connected with gasket 302 is equipped with the round hole on the gasket 302 on the clamp 1 down, and the round hole prevents that nut 301 from taking place to become flexible because of vibrations with bolt 3 phase-match, has improved the fastening nature between nut 301 and the bolt 3.

When a user uses the pipeline anti-sway clamp, the nut 301 on the bolt 3 is unscrewed, the upper clamp 2 and the lower clamp 1 are rotationally connected through the first rotating shaft 10, so that the clamps can be opened and clamped on a pipeline, the inner sides of the upper clamp 2 and the lower clamp 1 are respectively provided with the fixed rods 8, the telescopic rods 7 are fixedly connected between the two fixed rods 8 to prevent the clamps from swaying, the push-pull rod 5 is slidably connected on the fixed rods 8, so that the user can adjust the distance between the left clamp and the right clamp by pushing the push-pull rod 5 and can also lock through locking the semi-circular arc 9 to prevent the telescopic rods 7 from stretching under the action of the tension spring 6, then the nut 301 is sleeved on the bolt 3 to tighten and fix the pipeline to prevent the pipeline from greatly deviating, if a micro-difference still exists between the pipelines, at this time, the two locking plates 4 can be rotated, the locking plates 4 drive, further fine adjustment is carried out, and the semicircular arc 9 is rotationally connected with the locking plate 4 through the second rotating shaft 401, so that when the locking plate 4 is rotated, the deviation between pipelines is adjusted through the semicircular arc 9, and the pipelines cannot be damaged;

the utility model discloses a set up telescopic link 7 between dead lever 8, set up locking plate 4 in the clamp, adjustment pipeline about can be from top to bottom makes its deviation fall to the minimum, has improved welding quality.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A petrochemical engineering pipeline welding clamp device comprises two groups of lower clamps (1) and two groups of upper clamps (2), and is characterized in that fixing rods (8) are fixedly connected to the upper clamps (2) and the lower clamps (1), a telescopic rod (7) is fixedly connected between the two fixing rods (8), a tension spring (6) is sleeved on the telescopic rod (7), two ends of the tension spring (6) are respectively and fixedly connected with the two fixing rods (8), a connecting block (11) is arranged at one end of the lower clamps (1), a first rotating shaft (10) is rotatably connected to the connecting block (11), the first rotating shaft (10) is rotatably connected to the upper clamps (2), a bolt (3) is rotatably connected to one end, far away from the connecting block (11), of the lower clamps (1), a nut (301) is rotatably connected to the bolt (3), and the bolt (3) is matched with the nut (301), go up clamp (2), all rotate on lower clamp (1) and be connected with locking plate (4), locking plate (4) one end is rotated and is connected with second pivot (401), be equipped with semicircle (9) on locking plate (4), rotate through second pivot (401) between locking plate (4) and semicircle (9) and be connected.

2. The petrochemical pipeline welding jig device according to claim 1, wherein the fixing rods (8) are provided with grooves, the grooves are provided with push-pull rods (5), and the push-pull rods (5) are slidably connected with the fixing rods (8) through the grooves.

3. The petrochemical pipeline welding clamp device according to claim 1, wherein a protective pad is arranged on the inner wall of the semicircular arc (9).

4. The petrochemical pipeline welding jig device according to claim 1, wherein the opening range between the upper clamp (2) and the lower clamp (1) is 0-180 °.

5. The petrochemical pipeline welding clamp device according to claim 1, wherein a gasket (302) is fixedly connected to the lower clamp (1), and a round hole is formed in the gasket (302) and matched with the bolt (3).