CN216939223U

CN216939223U - Welding fixture for repairing pipeline

Info

Publication number: CN216939223U
Application number: CN202220734145.4U
Authority: CN
Inventors: 胡彬彬
Original assignee: Fujian Zhonghui Environmental Technology Co ltd
Current assignee: Fujian Zhonghui Environmental Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-12
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a welding fixture for pipeline repair, which belongs to the technical field of pipeline repair and comprises a first fixing ring, wherein the lower end of the first fixing ring is provided with a second fixing ring, the rear end of the first fixing ring is fixedly connected with a fixing block, a through hole is formed in the fixing block, one side of the first fixing ring is provided with an adjusting mechanism, and a locking mechanism is arranged below the first fixing ring; the adjusting mechanism comprises a first sliding block, a limiting block, a sliding groove and a second sliding block, the sliding groove is formed in the first fixing ring, the limiting block is movably connected in the sliding groove, the first sliding block is arranged on one side of the limiting block, and the second sliding block is arranged on one side of the second fixing ring; locking mechanism can carry out stable spacing with cracked pipeline including first locking lever, second locking lever, connecting block, wedge screw and wedge nut, and can adjust the device according to the construction position, can satisfy staff's user demand, has improved work efficiency greatly.

Description

Welding fixture for repairing pipeline

Technical Field

The utility model relates to the technical field of pipeline repair, in particular to a welding clamp for pipeline repair.

Background

The pipeline repair is to adopt various technologies to restore the damaged and leaked conveying pipeline to a normal use function, and the repair comprises two technologies of outer anticorrosive coating repair pipeline inspection and inner repair: for the internal and external corrosion prevention repair, the external corrosion prevention layer detection and evaluation are carried out on the external corrosion prevention layer of the pipeline, then the pipeline is repaired according to an evaluation report, most of the metal pipeline repair adopts a welding mode, the metal pipeline is connected and repaired for reuse, a welding clamp is needed to position the pipeline during the pipeline welding, the existing welding clamp cannot position the metal pipeline quickly during the use process, the stability of a fractured pipeline port is difficult to ensure during the pipeline welding, the stability during the pipeline welding cannot be ensured, the joint of the pipeline is difficult to avoid being covered by a common clamp during the pipeline positioning, the positioning process is complicated, and the angle is required to be changed for many times.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding fixture for pipeline repair, which aims to solve the problem that the stability of the pipeline welding process cannot be ensured in the background art, and the common fixture is difficult to avoid covering the pipeline joint when the pipeline is positioned, so that the positioning process is complicated and the angle needs to be changed for many times.

In order to achieve the purpose, the utility model provides the following technical scheme: a welding fixture for pipeline repair comprises a first fixing ring, wherein a second fixing ring is arranged at the lower end of the first fixing ring, a fixing block is fixedly connected to the rear end of the first fixing ring, a through hole is formed in the fixing block, an adjusting mechanism is arranged on one side of the first fixing ring, and a locking mechanism is arranged below the first fixing ring;

the adjusting mechanism comprises a first sliding block, a limiting block, a sliding groove and a second sliding block, the sliding groove is formed in the first fixing ring, the limiting block is movably connected in the sliding groove, the first sliding block is arranged on one side of the limiting block, and the second sliding block is arranged on one side of the second fixing ring;

the locking mechanism comprises a first locking rod, a second locking rod, a connecting block, a wedge screw and a wedge nut, the first locking rod is fixedly connected to the lower end face of the first sliding block, the second locking rod is fixedly connected to the upper end face of the second sliding block, the connecting block is arranged on one side of the first locking rod, and the wedge screw penetrates through the connecting block.

Preferably, the limiting block is fixedly connected with the first sliding block and is T-shaped, and the first fixing ring and the second fixing ring are identical in structure.

Preferably, the inside of first solid fixed ring is provided with the hinge, the hinge is opposite setting with the fixed block, the surface of wedge screw is located the position of connecting block lower extreme and is provided with the wedge nut.

Preferably, an integrally formed member is arranged between the first locking rod and the connecting block, and the integrated member of the first locking rod and the connecting block is in an L shape.

Preferably, the number of the first locking rods and the number of the second locking rods are two, and the first locking rods and the second locking rods are arranged in parallel.

Compared with the prior art, the utility model has the beneficial effects that: the first fixing ring and the second fixing ring can be opened under the action of the hinge, the first fixing ring and the second fixing ring are clamped under the action of the fixing block and the screw, then the first locking rod and the second locking rod are arranged up and down correspondingly, and then the first locking rod and the connecting block on the second locking rod can be attached to each other, and then the first locking rod and the second locking rod are tightened up and closed through the wedge-shaped nut and the wedge-shaped screw, so that broken pipelines can be pulled close to each other, and the broken pipelines can be contacted more stably;

the staff can change the position of first locking lever and second locking lever as required welded position, stopper sliding connection is in the inside of spout, therefore the stopper can move in the inside of spout, and then can the first slider of bronze drum drive first locking lever and remove, the removal operation of second locking lever is the same with the removal operation of first locking lever, go on at the solid fixed ring of second can, simple structure simple operation, can carry out stable spacing with cracked pipeline, and can adjust the device according to the construction position, staff's user demand can be satisfied, work efficiency is greatly improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing the combination of the fixing block and the through hole according to the present invention;

FIG. 3 is a combination view of the sliding slot and the limiting block of the present invention;

fig. 4 is a combined view of the first locking bar and the connecting block of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a first retaining ring; 2. a second retaining ring; 3. a hinge; 4. a first slider; 5. a first locking lever; 6. connecting blocks; 7. a fixed block; 8. perforating; 9. a chute; 10. a limiting block; 11. a wedge screw; 12. a wedge nut; 13. a second locking lever; 14. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a welding fixture for repairing a pipe, which comprises: a welding fixture for pipeline repair comprises a first fixing ring 1, wherein a second fixing ring 2 is arranged at the lower end of the first fixing ring 1, a fixing block 7 is fixedly connected to the rear end of the first fixing ring 1, a through hole 8 is formed in the fixing block 7, an adjusting mechanism is arranged on one side of the first fixing ring 1, and a locking mechanism is arranged below the first fixing ring 1;

the adjusting mechanism comprises a first sliding block 4, a limiting block 10, a sliding groove 9 and a second sliding block 14, the sliding groove 9 is arranged inside the first fixing ring 1, the limiting block 10 is movably connected inside the sliding groove 9, the first sliding block 4 is arranged on one side of the limiting block 10, the second sliding block 14 is arranged on one side of the second fixing ring 2, the limiting block 10 is fixedly connected with the first sliding block 4, the limiting block 10 is in a T shape, and the first fixing ring 1 and the second fixing ring 2 are identical in structure;

locking mechanical system is including first locking lever 5, second locking lever 13, connecting block 6, wedge screw 11 and wedge nut 12, first locking lever 5 fixed connection is at the lower terminal surface of first slider 4, second locking lever 13 fixed connection is at the up end of second slider 14, connecting block 6 sets up the one side at first locking lever 5, wedge screw 11 runs through the inside at connecting block 6, the inside of first solid fixed ring 1 is provided with hinge 3, hinge 3 is opposition setting with fixed block 7, wedge screw 11's surface is located the position of connecting block 6 lower extreme and is provided with wedge nut 12, be integrated into one piece component between first locking lever 5 and the connecting block 6, and first locking lever 5 is L shape with the integrated component of connecting block 6, first locking lever 5 respectively is two with the quantity of second locking lever 13, and it all is parallel arrangement.

One specific application of this embodiment is: the positions of two fractured pipelines which need to be connected are fixed through a first fixing ring 1 and a second fixing ring 2, the first fixing ring 1 and the second fixing ring 2 can be opened under the action of a hinge 3, the first fixing ring 1 and the second fixing ring 2 are clamped under the action of a fixing block 7 and a screw, then a first locking rod 5 and a second locking rod 13 are arranged up and down correspondingly, further, connecting blocks 6 on the first locking rod 5 and the second locking rod 13 can be attached, then, the first locking rod 5 and the second locking rod 13 are tightened and closed through a wedge-shaped nut 12 and a wedge-shaped screw 11, further, the fractured pipelines can be mutually pulled close, so that the contact of the pipelines can be more stable, a worker can change the positions of the first locking rod 5 and the second locking rod 13 according to the positions which need to be welded, and a limiting block 10 is connected inside a sliding groove 9 in a sliding manner, therefore stopper 10 can remove in the inside of spout 9, and then can the bronze drum first slider 4 drive first locking lever 5 and remove, the removal operation of second locking lever 13 is the same with the removal operation of first locking lever 5, go on at the solid fixed ring of second 2 can, simple structure simple operation can carry out stable spacing with cracked pipeline, and can adjust the device according to the construction position, can satisfy staff's user demand, has improved work efficiency greatly.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A welding jig for pipeline rehabilitation, includes first solid fixed ring (1), its characterized in that: the lower end of the first fixing ring (1) is provided with a second fixing ring (2), the rear end of the first fixing ring (1) is fixedly connected with a fixing block (7), a through hole (8) is formed in the fixing block (7), one side of the first fixing ring (1) is provided with an adjusting mechanism, and a locking mechanism is arranged below the first fixing ring (1);

the adjusting mechanism comprises a first sliding block (4), a limiting block (10), a sliding groove (9) and a second sliding block (14), the sliding groove (9) is formed in the first fixing ring (1), the limiting block (10) is movably connected to the inside of the sliding groove (9), the first sliding block (4) is arranged on one side of the limiting block (10), and the second sliding block (14) is arranged on one side of the second fixing ring (2);

locking mechanical system is including first locking lever (5), second locking lever (13), connecting block (6), wedge screw (11) and wedge nut (12), first locking lever (5) fixed connection is at the lower terminal surface of first slider (4), second locking lever (13) fixed connection is at the up end of second slider (14), connecting block (6) set up the one side in first locking lever (5), wedge screw (11) run through the inside at connecting block (6).

2. The welding fixture for pipe rehabilitation as claimed in claim 1, wherein: stopper (10) are fixed connection with first slider (4), and stopper (10) are the T font, and the first solid fixed ring (1) is the same with the structure of the solid fixed ring of second (2).

3. The welding fixture for pipe rehabilitation as claimed in claim 1, wherein: the inside of first solid fixed ring (1) is provided with hinge (3), hinge (3) are opposition setting with fixed block (7), the position that the surface of wedge screw (11) is located connecting block (6) lower extreme is provided with wedge nut (12).

4. The welding fixture for pipe rehabilitation as claimed in claim 1, wherein: an integrated component is arranged between the first locking rod (5) and the connecting block (6), and the integrated component of the first locking rod (5) and the connecting block (6) is L-shaped.

5. The welding fixture for pipe rehabilitation as claimed in claim 1, wherein: the number of the first locking rods (5) and the number of the second locking rods (13) are respectively two, and the first locking rods and the second locking rods are arranged in parallel.