CN214418103U

CN214418103U - Pipe fitting welding frock

Info

Publication number: CN214418103U
Application number: CN202120649080.9U
Authority: CN
Inventors: 王晓华; 卞德晨; 王豪
Original assignee: China State Construction Port Engineering Group Co Ltd
Current assignee: China State Construction Port Engineering Group Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-19
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a pipe welding tool, which belongs to the technical field of building construction tools, and the key point of the technical proposal is that the pipe welding tool comprises a supporting seat, two ends of the supporting seat are respectively provided with a supporting arm, one side of the supporting arms which are close to each other is respectively fixed with an installation arm, the installation arm is provided with a positioning block, the upper part of the positioning block is provided with a V-shaped groove, and the centers of the V-shaped grooves of the two positioning blocks are aligned; a positioning pressing plate for abutting and positioning the pipe fitting placed in the V-shaped groove is arranged at the upper part of the positioning block; an installation beam fixedly connected with the two support arms is arranged above the positioning pressing plate, and a plurality of positioning cylinders are arranged on the installation beam; a piston rod of the positioning cylinder is arranged vertically downwards, a cylinder body of the positioning cylinder is fixedly connected with the mounting beam, and the piston rod of the positioning cylinder is fixedly connected with the positioning pressing plate; the utility model discloses can convenient and fast carry out welding position to the pipe of two butt welds.

Description

Pipe fitting welding frock

Technical Field

The utility model relates to a construction frock technical field especially relates to a pipe fitting welding frock.

Background

In the construction, the circular pipes are often butt-welded. In order to ensure the quality of the welded molded part, when welding, the coaxiality of two butt-welded circular pipes needs to be ensured, so that the two butt-welded circular pipes need to be placed and positioned by using a welding tool.

The existing positioning tool for butt welding of circular tubes can refer to Chinese utility model patent document with the publication number of CN205888468U, and discloses a pipe welding tool, which comprises a center body, wherein two ends of the center body are respectively hinged with an upper claw body and a lower claw body which can be close to or far away from each other, and the upper claw body and the lower claw body are both bulged outwards at the matching part of the pipe to form an arc-shaped matching part; a threaded hole is formed in the center of the center body, and a screw rod is matched with the internal thread of the threaded hole; the pipe fitting welding tool further comprises a force application body, the force application body comprises a movable plate, the movable plate is symmetrically provided with movable holes through which the upper claw body and the lower claw body penetrate, a stress part is formed between the two movable holes, the stress part is provided with a locking hole in threaded fit with the screw, and a clamping assembly used for clamping a pipe fitting is arranged among the stress part, the upper claw body and the lower claw body.

According to the pipe welding tool, the peripheral surface of the pipe is abutted mainly through the three screws, so that the pipe is radially positioned, and the two welded circular pipes are kept coaxial; when using above-mentioned frock, need rotate the regulation to three screw rod simultaneously to judge whether align two pipes through the eye observation, it is high to the staff requirement, the operation degree of difficulty is big, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe fitting welding frock can convenient and fast carry out welding position to the pipe of two butt welds.

The above technical purpose of the present invention can be achieved by the following technical solutions: a pipe welding tool comprises a supporting seat, wherein supporting arms are respectively arranged at two ends of the supporting seat, mounting arms are respectively fixed at one sides of the supporting arms close to each other, positioning blocks are arranged on the mounting arms, V-shaped grooves are formed in the upper portions of the positioning blocks, and the centers of the V-shaped grooves of the two positioning blocks are aligned; a positioning pressing plate for abutting and positioning the pipe fitting placed in the V-shaped groove is arranged at the upper part of the positioning block; an installation beam fixedly connected with the two support arms is arranged above the positioning pressing plate, and a plurality of positioning cylinders are arranged on the installation beam; the piston rod of the positioning cylinder is arranged downwards vertically, the cylinder body of the positioning cylinder is fixedly connected with the mounting beam, and the piston rod of the positioning cylinder is fixedly connected with the positioning pressing plate.

Through the technical scheme, two circular tubes to be subjected to butt welding are respectively placed in the V-shaped grooves of the two positioning blocks, the butted ends of the two circular tubes are close to each other, and the circular tubes are supported and positioned through the positioning blocks; through the application of force of positioning cylinder, and then press two pipes respectively firmly in two locating pieces through positioning pressure plate to prevent when welding, produce relative movement between two welding pipes, thereby can convenient and fast carry out the butt welding to two pipes.

Preferably, the positioning pressing plate is an arc-shaped plate with a downward opening, and a rubber pad is fixed on the lower surface of the positioning pressing plate.

Through above-mentioned technical scheme, positioning pressure plate adopts the arc-shaped plate structure to lower surface at positioning pressure plate sets up the rubber pad, thereby enable that positioning pressure plate is abundant with place the pipe in V type groove and contact, thereby can be better carry out relatively fixed to two pipes.

Preferably, the positioning block is in sliding contact with the mounting arm along the length direction of the mounting arm.

Through above-mentioned technical scheme, the locating piece is along installation arm length direction and installation arm sliding contact, and then slides two locating pieces through along installation arm length direction to can adjust the interval between two locating pieces, thereby the different length pipe fitting butt welding requirements of adaptation that can be good.

Preferably, a sliding guide rail with the length direction along the length direction of the mounting arm is fixed at the upper part of the mounting arm, and a sliding chute in sliding fit with the sliding guide rail is formed at the lower part of the positioning block; and one side of the sliding groove is provided with a positioning bolt which axially penetrates through the side wall of the sliding groove and is in threaded connection with the positioning block.

Through the technical scheme, the positioning block can be slid along the length direction of the mounting arm through the matching of the sliding groove formed in the bottom of the positioning block and the sliding guide rail, and the positioning block can be positioned at the position of the positioning block in the length direction of the mounting arm conveniently and quickly through the arrangement of the positioning bolt.

Preferably, a connecting shaft is arranged between the two supporting arms, the length direction of the connecting shaft is along the length direction of the supporting seat, and the connecting shaft is hinged with the supporting seat around the axis of the connecting shaft.

Through the technical scheme, the two support arms are connected through the arrangement of the connecting shaft, the connecting shaft is hinged to the support seat, the two support arms synchronously swing around the axis of the connecting shaft, and the space positions of the two round pipes for butt welding can be adjusted, so that a worker can conveniently perform welding operation.

Preferably, one end of the supporting seat is provided with an adjusting cylinder, the adjusting cylinder is obliquely arranged, a cylinder body of the adjusting cylinder is hinged to the supporting seat, and a piston rod of the adjusting cylinder is hinged to the supporting arm.

Through the technical scheme, the support arm is driven to swing through the setting of the adjusting cylinder and the telescopic motion of the piston rod of the adjusting cylinder, so that the space position of welding can be adjusted conveniently and quickly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a pipe welding tool.

Fig. 2 is a schematic structural diagram showing the positional relationship between the positioning pressing plate and the positioning block.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a schematic structural view showing the mounting position of the adjustment cylinder.

Fig. 5 is a schematic structural view showing a connection relationship between the positioning block and the slide rail.

Wherein, 1, a supporting seat; 2. a support arm; 21. mounting an arm; 22. a sliding guide rail; 3. positioning blocks; 31. a V-shaped groove; 32. a chute; 33. positioning the bolt; 4. positioning a pressing plate; 41. a rubber pad; 5. a connecting shaft; 6. mounting a beam; 7. positioning the air cylinder; 8. and adjusting the air cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

the utility model provides a pipe fitting welding frock, refers to fig. 1 and fig. 2, includes supporting seat 1, and the both ends of supporting seat 1 are provided with support arm 2 respectively, and support arm 2 one side that is close to each other is fixed with installation arm 21 respectively. The mounting arm 21 is provided with a positioning block 3, the upper part of the positioning block 3 is provided with a V-shaped groove 31, and the centers of the V-shaped grooves 31 of the two positioning blocks 3 are aligned. And a mounting beam 6 is arranged between the two support arms 2, and the mounting beam 6 is fixedly connected with the two support arms 2. And a positioning pressing plate 4 for abutting and positioning the pipe placed in the V-shaped groove 31 is arranged below the mounting beam 6. The mounting beam 6 is provided with a positioning cylinder 7, the cylinder body of the positioning cylinder 7 is fixedly connected with the mounting beam 6, and the piston rod of the positioning cylinder 7 is fixedly connected with the positioning pressing plate 4. When the pipe fitting welding tool is used for carrying out butt welding positioning on the round pipes, the two round pipes to be subjected to butt welding are respectively placed in the V-shaped grooves 31 of the two positioning blocks 3, and one ends of the two round pipes which are in butt joint are placed close to each other. The two round pipes are placed and positioned through the V-shaped grooves 31 of the two positioning blocks 3, so that the two round pipes are coaxially arranged. After the two butt joint circular tubes are placed, the positioning cylinder 7 is started, force is applied through the positioning cylinder 7, and then the two circular tubes are pressed and fixed by the positioning pressing plate 4 arranged at the end part of the piston rod of the positioning cylinder 7, so that relative movement between the two circular tubes is prevented when the two circular tubes are welded.

Referring to fig. 2 and 3, the positioning pressing plate 4 is an arc-shaped plate with a downward opening, and a rubber pad 41 is fixed on the lower surface of the positioning pressing plate 4. The positioning pressing plate 4 adopts an arc-shaped plate structure, and a rubber pad 41 is arranged on the lower surface of the positioning pressing plate 4, so that the positioning pressing plate 4 can be fully contacted with a round pipe placed in the V-shaped groove 31, and the two round pipes can be better fixed relatively.

Referring to fig. 1 and 4, a connecting shaft 5 is arranged between the two support arms 2 along the length direction of the support base 1, and the connecting shaft 5 is hinged with the support base 1 around the axis of the connecting shaft. One end of the supporting seat 1 is provided with an adjusting cylinder 8, the adjusting cylinder 8 is obliquely arranged, a cylinder body of the adjusting cylinder 8 is hinged to the supporting seat 1, and a piston rod of the adjusting cylinder 8 is hinged to the supporting arm 2. The piston rod of the adjusting cylinder 8 stretches out and draws back, so that the two supporting arms 2 are driven to synchronously swing, the spatial position of the pipe fitting welded on the positioning block 3 in a placing and positioning mode can be adjusted, and therefore the pipe fitting welding operation can be more conveniently and quickly performed by workers.

Referring to fig. 2 and 5, a slide rail 22 having a longitudinal direction along the longitudinal direction of the mounting arm 21 is fixed to the upper portion of the mounting arm 21. The lower part of the positioning block 3 is provided with a sliding chute 32 which is in sliding fit with the sliding guide rail 22. One side of the sliding groove 32 is provided with a positioning bolt 33, and the positioning bolt 33 axially penetrates through the side wall of the sliding groove 32 and is in threaded connection with the positioning block 3. By providing the slide groove 32 in the lower portion of the positioning block 3 and providing the slide rail 22 on the mounting arm 21, the positioning block 3 can be slid in the longitudinal direction of the mounting arm 21 by the engagement of the slide groove 32 and the slide rail 22. Through two locating pieces 3 of slip, adjust the interval between two locating pieces 3 to the butt welding demand of adaptation different length pipes that can be better.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a pipe fitting welding frock, includes supporting seat (1), its characterized in that: two ends of the supporting seat (1) are respectively provided with a supporting arm (2), one side, close to each other, of each supporting arm (2) is respectively fixed with a mounting arm (21), a positioning block (3) is arranged on each mounting arm (21), a V-shaped groove (31) is formed in the upper part of each positioning block (3), and the centers of the V-shaped grooves (31) of the two positioning blocks (3) are aligned; the upper part of the positioning block (3) is provided with a positioning pressing plate (4) for abutting and positioning the pipe fittings placed in the V-shaped groove (31); an installation beam (6) fixedly connected with the two support arms (2) is arranged above the positioning pressure plate (4), and a plurality of positioning cylinders (7) are arranged on the installation beam (6); the piston rod of the positioning cylinder (7) is arranged downwards vertically, the cylinder body of the positioning cylinder (7) is fixedly connected with the mounting beam (6), and the piston rod of the positioning cylinder (7) is fixedly connected with the positioning pressing plate (4).

2. The pipe fitting welding tool according to claim 1, characterized in that: the positioning pressing plate (4) is an arc-shaped plate with a downward opening, and a rubber pad (41) is fixed on the lower surface of the positioning pressing plate (4).

3. The pipe fitting welding tool according to claim 1, characterized in that: the positioning block (3) is in sliding contact with the mounting arm (21) along the length direction of the mounting arm (21).

4. The pipe fitting welding tool according to claim 3, characterized in that: a sliding guide rail (22) with the length direction along the length direction of the mounting arm (21) is fixed at the upper part of the mounting arm (21), and a sliding groove (32) in sliding fit with the sliding guide rail (22) is formed at the lower part of the positioning block (3); one side of the sliding groove (32) is provided with a positioning bolt (33) which axially penetrates through the side wall of the sliding groove (32) and is in threaded connection with the positioning block (3).

5. The pipe fitting welding tool according to claim 1, characterized in that: be provided with length direction along supporting seat (1) length direction's connecting axle (5) between two supporting arms (2), connecting axle (5) are articulated with supporting seat (1) around its axis.

6. The pipe fitting welding tool according to claim 5, wherein: one end of the supporting seat (1) is provided with an adjusting cylinder (8), the adjusting cylinder (8) is obliquely arranged, a cylinder body of the adjusting cylinder (8) is hinged to the supporting seat (1), and a piston rod of the adjusting cylinder (8) is hinged to the supporting arm (2).