CN219444062U

CN219444062U - Clamping device for pipe elbow welding

Info

Publication number: CN219444062U
Application number: CN202320632422.5U
Authority: CN
Inventors: 李喜文; 李喜东
Original assignee: Tianjin Huasheng Kaidi Technology Co ltd
Current assignee: Tianjin Huasheng Kaidi Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-01
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a clamping device for pipe elbow welding, which belongs to the technical field of pipe welding and comprises a supporting plate and two supports positioned on the supporting plate, wherein a rotary supporting piece is arranged on the supports, a transmission piece for driving a pipe to rotate is sleeved outside the rotary supporting piece, one side of the transmission piece is connected with a structure for transversely centering and longitudinally centering the pipe, and pipes with different sizes can be centered through the structure for transversely centering and longitudinally centering the pipe, so that the pipes welded in butt joint can be accurately positioned, and the welding effect is ensured; through driving the rotatory driving medium of tubular product, can guarantee that tubular product after the tubular product centre gripping can rotate, be convenient for weld the different positions of tubular product welded end cross-section, convenient operation has not only improved the centre gripping and the welding efficiency of tubular product, avoids the condition that the dislocation takes place for the welding face moreover, has improved the welding effect greatly.

Description

Clamping device for pipe elbow welding

Technical Field

The utility model relates to the technical field of pipe welding, in particular to a clamping device for pipe elbow welding.

Background

In the construction process, the pipe is often bent because the topography needs to be bent, the obstacle is avoided, when bending, the pipe is bent into a designed angle in advance, then welding is carried out on site, when welding, the butt joint is difficult because the bent part is peculiar in shape, the bent pipe is in an S shape and the like, stability is poor, and because the bent part is always produced and the two ends need to be connected, one end is slightly deviated, the welding of the other end cannot be aligned, the laying of the pipe is influenced, and after the two ends need to be simultaneously clamped in a butt joint mode, welding is carried out, but most of butt joint is carried out through manual cooperation lifting devices in the prior art, the efficiency is low, the pipe is firstly welded in a spot welding mode at present, and then the welding part is inconvenient to carry out rotary welding.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide the clamping device for welding the pipe elbow, which can perform centering and aligning treatment on pipes with different sizes, and the transmission part drives the pipes to rotate so as to be convenient for welding different positions of the section of the welding end of the pipe.

In order to solve the technical problems, the utility model provides a clamping device for pipe elbow welding, which adopts the following technical scheme: the pipe centering device comprises a supporting plate and two supports located on the supporting plate, wherein a rotary supporting piece is installed on each support, a transmission piece for driving the pipe to rotate is sleeved outside each rotary supporting piece, and one side of each transmission piece is connected with a structure for centering the pipe transversely and longitudinally.

Optionally, the rotary support comprises a support disc, and the support disc is fixed on the support through a bracket.

Through adopting above-mentioned technical scheme, the driving medium includes the drive gear who is fixed in on the support through the gear frame and overlaps the driven gear dish of establishing in the supporting disk outside, drive gear and driven gear dish intermeshing.

Optionally, the structure of horizontal centering of tubular product and vertical centering is including being fixed in driven gear dish and keeping away from the centering board of supporting disk lateral wall and connecting four sets of holders on centering board, and wherein two sets of holders vertical symmetry connect on centering board lateral wall, and two other sets of holders horizontal symmetry connect on centering board another lateral wall, are connected with moving mechanism between two holders that lie in same lateral wall department.

Optionally, the supporting plate, the driven gear plate and the centering plate are all provided with channels which are coaxially arranged and used for penetrating through the pipe.

Optionally, the holder includes the grip block, open towards one side of passageway has the mounting groove, the mounting groove interconnect has the grip roll that is perpendicular with grip block direction of movement.

Optionally, the moving mechanism comprises a screw pushing component and linkage components symmetrically arranged at two sides of the channel,

the screw pushing component comprises a bearing seat fixed on the clamping plate, a screw is inserted in the bearing seat, one end of the screw is provided with an operating handle, the other end is in threaded connection with the inside of the clamping plate,

the linkage assembly comprises an upper toothed plate and a lower toothed plate which are connected between the two clamping plates, and a linkage gear is meshed between the upper toothed plate and the lower toothed plate.

Optionally, a driving motor is installed on one support, a transmission shaft is connected between driving gears on two supports, and the driving motor is respectively connected with two driving gears through the transmission shaft.

In summary, the present utility model includes at least one of the following beneficial effects:

1. the pipes with different sizes can be centered through the structures of transverse centering and longitudinal centering of the pipes, so that the pipes which are butted and welded can be accurately positioned, and the welding effect is ensured;

2. through driving the rotatory driving medium of tubular product, can guarantee that tubular product after the tubular product centre gripping can rotate, be convenient for weld the different positions of tubular product welded end cross-section, convenient operation has not only improved the centre gripping and the welding efficiency of tubular product, avoids the condition that the dislocation takes place for the welding face moreover, has improved the welding effect greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

fig. 4 is an enlarged schematic view of the C portion of fig. 1.

Reference numerals illustrate: 1. a support plate; 2. a support; 3. a rotary support; 301. a support plate; 302. a bracket; 4. a transmission member; 401. a gear frame; 402. a drive gear; 403. a driven gear plate; 5. centering plates; 6. a holder; 601. a clamping plate; 602. a mounting groove; 603. a grip roll; 7. a moving mechanism; 701. a screw pushing assembly; 701a, bearing blocks; 701b, a screw; 701c, an operating handle; 702. a linkage assembly; 702a, upper toothed plate; 702b, lower toothed plate; 702c, a linkage gear; 8. a channel; 9. a driving motor; 10. and a transmission shaft.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

Example 1

Referring to fig. 1-2, the utility model discloses a clamping device for pipe elbow welding, which comprises a supporting plate 1 and two supports 2 positioned on the supporting plate 1, wherein a rotary supporting piece 3 is installed on each support 2, a transmission piece 4 for driving a pipe to rotate is sleeved outside each rotary supporting piece 3, one side of each transmission piece 4 is connected with a structure for transversely centering and longitudinally centering the pipe, and the pipes with different sizes can be aligned through the structures for transversely centering and longitudinally centering the pipe, so that the pipes which are welded in butt joint can be accurately positioned, the welding effect is ensured, the transmission piece 4 for driving the pipe to rotate can ensure that the pipe clamped by the pipe can rotate, and the pipe welding efficiency is improved.

Wherein the rotary support 3 comprises a support disc 301, the support disc 301 being fixed to the support 2 by means of a bracket 302. The transmission member 4 includes a driving gear 402 fixed to the support 2 via a gear frame 401, and a driven gear plate 403 fitted over the outside of the support plate 301, the driving gear 402 being engaged with the driven gear plate 403. The support plate 301 is used as a support of the driven gear plate 403, and a bearing capable of improving the rotation of the driven gear plate 403 is arranged between the support plate 301 and the driven gear plate 403, so that the driven gear plate 403 can be driven by the driving gear 402 to drive the pipe to rotate.

The structure for transversely centering and longitudinally centering the pipe comprises a centering plate 5 fixed on the side wall of a driven gear disc 403 far away from a supporting disc 301 and four groups of clamps 6 connected to the centering plate 5, wherein two groups of clamps 6 are vertically and symmetrically connected to one side wall of the centering plate 5, the other two groups of clamps 6 are horizontally and symmetrically connected to the other side wall of the centering plate 5, so that the clamps 6 are not affected when being mutually close, a moving mechanism 7 is connected between the two clamps 6 positioned on the same side wall, and the two clamps 6 positioned on the same side wall can be controlled to synchronously move away from and approach each other through the moving mechanism 7, so that centering of the pipe is realized. The supporting disc 301, the driven gear disc 403 and the centering plate 5 are all provided with a channel 8 which is coaxially arranged and used for penetrating the pipe, and the position of the pipe in the channel 8 can be adjusted by placing the pipe in the channel 8.

Specifically, the gripper 6 includes a gripping plate 601, one side of the gripping plate 601 facing the channel 8 is provided with a mounting groove 602, a gripping roller 603 perpendicular to the moving direction of the gripping plate 601 is connected to the mounting groove 602, and the gripping roller 603 is used for gripping a pipe and pushing the pipe along a rolling surface.

Working principle: when the welding device is used, the straight sections of pipe elbows to be welded are placed in the channel 8, then the moving mechanism 7 is controlled, the clamps 6 positioned on two sides of the centering plate 5 are moved towards the axis of the channel 8, so that the clamped pipe is automatically adjusted to the condition that the end axis of the clamped pipe coincides with the axis of the channel 8, the two groups of pipe on the supports 2 on two sides are transversely aligned and longitudinally aligned, the two pipe elbows to be welded can be fixed, then the pipe on two sides is pushed by the clamping roller 603 along the extending direction of the channel 8, so that the welding surfaces are close to each other, the clamping of the pipe elbows is realized, then the welding operation can be realized, the driving gear 402 can be controlled to drive the driven gear disc 403 to rotate, the pipe clamped by the clamps 6 on the driven gear disc 403 can be rotated manually, the driven gear disc 403 can be driven to rotate, the pipe can be welded at different positions of the section of the pipe welding end conveniently, the operation is convenient, the clamping and the welding efficiency of the pipe is improved, and the welding effect is greatly improved.

Example two

Referring to fig. 3 to 4, in order to achieve centering and clamping of the pipe by the clamping rollers 603 on the clamping plates 601 at both sides in the present embodiment, based on the same concept as the above-described embodiment, the clamping device for pipe elbow welding further includes a moving mechanism 7 including a screw 701b pushing assembly 701 and a linkage assembly 702 symmetrically disposed at both sides of the passage 8,

the screw 701b pushing assembly 701 comprises a bearing seat 701a fixed on the clamping plate 601, the screw 701b is inserted into the bearing seat 701a, one end of the screw 701b is provided with an operating handle 701c, the other end is in threaded connection with the inside of the clamping plate 601, in order to further increase the stability of the clamping plate 601, the clamping plate 601 can be in sliding connection with the centering plate 5 through a sliding plate and a sliding chute, the linkage assembly 702 comprises an upper toothed plate 702a and a lower toothed plate 702b connected between the two clamping plates 601, and a linkage gear 702c is meshed between the upper toothed plate 702a and the lower toothed plate 702 b.

The working flow is as follows: when the pipe elbow needs to be clamped, the clamping plate 601 is driven to move towards the direction of the channel 8 by rotating the operating handle 701c, and in the moving process, the upper toothed plate 702a is moved, so that the lower toothed plate 702b is driven to move by the upper toothed plate 702a and the linkage gear 702c, and the clamping rollers 603 on the clamping plates 601 on two sides can synchronously clamp the pipe elbow in a centering manner.

Example III

Referring to fig. 1, in this embodiment, in order to realize that the grippers 6 on both sides drive the pipes to rotate synchronously, so as to realize that the pipe bends on both sides are in the same state, and avoid the situation that the welding surfaces are dislocated, based on the same concept as the first embodiment, the clamping device for welding the pipe bends further includes a driving motor 9 installed on one support 2, a transmission shaft 10 connected between the driving gears 402 on two supports 2, and the driving motor 9 is respectively connected with the two driving gears 402 through the transmission shaft 10. When the driving motor 9 works, the driving shaft 10 drives the driving gears 402 on two sides to synchronously rotate, so that the driven gear plates 403 drive the clamped pipe elbows on two sides to synchronously rotate.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Clamping device for pipe elbow welding, which is characterized in that: including backup pad (1) and two support (2) that are located backup pad (1), install rotary support spare (3) on support (2), rotary support spare (3) outside cover is equipped with and drives rotatory driving medium (4) of tubular product, one side of driving medium (4) is connected with and is used for transversely centering the structure of vertical centering to tubular product.

2. The clamping device for welding a pipe elbow according to claim 1, wherein: the rotary support (3) comprises a support disc (301), the support disc (301) being fixed to the support (2) by means of a bracket (302).

3. The clamping device for pipe elbow welding according to claim 2, wherein: the transmission part (4) comprises a driving gear (402) fixed on the support (2) through a gear frame (401) and a driven gear disc (403) sleeved outside the support disc (301), and the driving gear (402) is meshed with the driven gear disc (403).

4. A clamping device for pipe elbow welding according to claim 3, characterized in that: the structure of horizontal centering and vertical centering of tubular product is including being fixed in driven gear disk (403) and keeping away from centering board (5) and four groups of holders (6) of being connected on centering board (5) lateral wall, and wherein two groups of holders (6) are vertical symmetry to be connected on centering board (5) lateral wall, and two other groups of holders (6) are horizontal symmetry to be connected on centering board (5) other lateral wall, are located and are connected with moving mechanism (7) between two holders (6) of same lateral wall department.

5. The clamping device for pipe elbow welding according to claim 4, wherein: the supporting disc (301), the driven gear disc (403) and the centering plate (5) are all internally provided with channels (8) which are coaxially arranged and used for penetrating through the pipe.

6. The clamping device for pipe elbow welding according to claim 5, wherein: the clamp holder (6) comprises a clamping plate (601), one side, facing the channel (8), of the clamping plate (601) is provided with a mounting groove (602), and the mounting groove (602) is connected with a clamping roller (603) perpendicular to the moving direction of the clamping plate (601).

7. The clamping device for pipe elbow welding according to claim 6, wherein: the moving mechanism (7) comprises a screw (701 b) pushing component (701) and linkage components (702) symmetrically arranged at two sides of the channel (8),

the screw (701 b) pushing assembly (701) comprises a bearing seat (701 a) fixed on the clamping plate (601), the screw (701 b) is inserted in the bearing seat (701 a), one end of the screw (701 b) is provided with an operating handle (701 c), the other end is in threaded connection with the inside of the clamping plate (601),

the linkage assembly (702) comprises an upper toothed plate (702 a) and a lower toothed plate (702 b) which are connected between the two clamping plates (601), and a linkage gear (702 c) is meshed between the upper toothed plate (702 a) and the lower toothed plate (702 b).

8. A clamping device for pipe elbow welding according to claim 3, characterized in that: a driving motor (9) is arranged on one support (2), a transmission shaft (10) is connected between driving gears (402) on the two supports (2), and the driving motor (9) is respectively connected with the two driving gears (402) through the transmission shaft (10).