CN211387517U

CN211387517U - Fixing device for steel pipe welding

Info

Publication number: CN211387517U
Application number: CN201921845501.4U
Authority: CN
Inventors: 万亮; 卢玉宏
Original assignee: Qingdao Kexinda Heavy Industry Co ltd
Current assignee: Qingdao Kexinda Heavy Industry Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-01
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a fixing device is used in steel pipe welding, including the base, base top surface central authorities department has seted up T type spout, and it is equipped with T type slider to slide in the T type spout, and T type spout is stretched out on T type slider top and is fixed with the extension board, and the extension board bilateral symmetry is equipped with two risers, riser bottom and base top surface fixed connection, the guiding hole has been seted up to the symmetry respectively on two riser lateral walls. This device is through the setting of two guide cylinders, two required welded steel pipe ports of alignment that can be accurate, and through first spring, the setting of spring and sloping block, can press from both sides tight fixed steel pipe through the sloping block, and respectively subtend promotion two steel pipes under the effort of first spring and spring, make the tight laminating of splice of two steel pipes be in the same place, and then effectually prevented that two steel pipes from taking place because the condition of fixed insecure and production dislocation during the welding, the effectual welding effect that has improved.

Description

Fixing device for steel pipe welding

Technical Field

The utility model relates to a steel pipe machining field, concretely relates to fixing device is used in steel pipe welding.

Background

The steel pipe is a hollow long-strip round steel material, and is mainly widely used for industrial conveying pipelines, mechanical structural parts and the like in petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments and the like. The prior steel pipe welding has the following defects; 1. the port of the butt joint end of the two steel pipes is difficult to align, and certain trouble is caused to the welding work. 2. Because it is not firm to fix, lead to laminating insecure between two welded steel pipes, two steel pipes misplace easily like this in welding process, and then seriously influence the welding effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problem, the utility model provides a fixing device for steel pipe welding.

The utility model discloses a realize through following technical scheme:

a fixing device for welding steel pipes comprises a base, wherein a T-shaped sliding groove is formed in the center of the top surface of the base, a T-shaped sliding block is arranged in the T-shaped sliding groove in a sliding mode, a supporting plate is fixed on the T-shaped sliding groove extending out of the top end of the T-shaped sliding block, two vertical plates are symmetrically arranged on two sides of the supporting plate, the bottom ends of the vertical plates are fixedly connected with the top surface of the base, guide holes are symmetrically formed in the side walls of the two vertical plates respectively, a disc is arranged at the side end of each vertical plate, the axial lead of the disc is consistent with the axial lead of the corresponding guide hole, a guide cylinder penetrates through the center of the disc and is fixed with one end of the corresponding vertical plate, a plurality of balls are uniformly embedded in the inner side of the other end of the guide cylinder in an annular mode, a retaining ring is sleeved on, the four fixed blocks are symmetrically arranged pairwise by taking the axis of the retainer ring as a center, each fixed block is hinged with an L-shaped rod through a pin, the hinged position of the L-shaped rod and the fixed block is provided with a chute, the pin for hinging the L-shaped rod and the fixed block is arranged in the chute in a sliding manner, a cross rod of the L-shaped rod penetrates through the retainer ring, the central position of the cross rod is hinged with a connecting rod through a pin, the side end of the connecting rod is fixedly connected with the side wall of the disc, the side end of the cross rod of the L-shaped rod is fixedly provided with a fixed plate, the side wall of the fixed plate is provided with a first T-shaped chute, a first T-shaped sliding block is arranged in the first T-shaped chute in a sliding manner, the side end of the first T-shaped sliding block extends out of the first T-shaped chute and is fixedly provided with an oblique block, the inclined plane of the oblique block is arranged corresponding to the tapered, the other end of the guide rod penetrates through the retainer ring and the disc in sequence and is fixed with a stop block, the guide rod is in sliding connection with the contact position of the retainer ring and the disc respectively, a spring is fixedly arranged between the stop block and the retainer ring and sleeved on the guide rod, a first spring is fixedly arranged between the retainer ring and the disc, and the first spring is sleeved on the guide rod.

Preferably, the diameter of the retainer ring is the same as that of the outer ring of the disc.

Preferably, the base is fixedly connected with the vertical plate in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that: this device is through the setting of two guide cylinders, two required welded steel pipe ports of alignment that can be accurate, and through first spring, the setting of spring and sloping block, can press from both sides tight fixed steel pipe through the sloping block, and respectively subtend promotion two steel pipes under the effort of first spring and spring, make the tight laminating of splice of two steel pipes be in the same place, and then effectually prevented that two steel pipes from taking place because the condition of fixed insecure and production dislocation during the welding, the effectual welding effect that has improved.

Drawings

FIG. 1 is a block diagram of the structure of the present invention;

fig. 2 is a top view of the structure of fig. 1 of the present invention.

In the figure: the device comprises a base 1, a T-shaped sliding groove 2, a T-shaped sliding block 3, a supporting plate 4, a vertical plate 5, a guide hole 6, a disc 7, a guide cylinder 8, a ball 9, a retainer ring 10, a fixing block 11, an L-shaped rod 12, a sliding groove 13, a connecting rod 14, a fixing plate 15, a first T-shaped sliding groove 16, a first T-shaped sliding block 17, an inclined block 18, an anti-skid rubber layer 19, a guide rod 20, a stop block 21, a spring 22 and a first spring 23.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in figures 1 and 2, the fixing device for welding the steel pipe comprises a base 1, a T-shaped chute 2 is arranged in the center of the top surface of the base 1, a T-shaped slider 3 is arranged in the T-shaped chute 2 in a sliding manner, a support plate 4 is fixed on the T-shaped chute 2 extending out of the top end of the T-shaped slider 3, two vertical plates 5 are symmetrically arranged on two sides of the support plate 4, the bottom ends of the vertical plates 5 are fixedly connected with the top surface of the base 1, guide holes 6 are symmetrically arranged on the side walls of the two vertical plates 5 respectively, a disc 7 is arranged at the side end of each vertical plate 5, the axial lead of the disc 7 is consistent with the axial lead of the guide hole 6, a guide cylinder 8 is fixedly penetrated in the center of the disc 7, the inner ring of one end port of the guide cylinder 8, which is opposite to the vertical plate 5, a plurality of balls 9, the axial lead of the retainer ring 10 is consistent with the axial lead of the guide cylinder 8, four fixed blocks 11 are fixed on the opposite side walls of the retainer ring 10 and the disc 7, the four fixed blocks 11 are arranged in pairwise symmetry with the axis of the retainer ring 10 as the center, an L-shaped rod 12 is hinged on each fixed block 11 through a pin, a sliding groove 13 is formed in the hinged position of the L-shaped rod 12 and the fixed block 11, the pin hinged with the L-shaped rod 12 and the fixed block 11 is arranged in the sliding groove 13 in a sliding manner, a cross rod of the L-shaped rod 12 penetrates through the retainer ring 10, the central position of the cross rod is hinged with a connecting rod 14 through a pin, the side end of the connecting rod 14 is fixedly connected with the side wall of the disc 7, a fixed plate 15 is fixed at the side end of the cross rod of the L-shaped rod 12, a first T-shaped sliding groove 16 is formed in the side wall of the fixed plate 15, a first T-, the inclined plane of sloping block 18 and the corresponding setting of the toper inclined plane of guide cylinder 8 port, sloping block 18 bottom mounting has attached non-slip rubber layer 19, be fixed with four guide bars 20 on the 5 lateral walls of riser, four guide bars 20 use the axle center of guiding hole 6 as two bisymmetry distributions in center, the guide bar 20 other end pierces through retaining ring 10 and disc 7 in proper order and is fixed with dog 21, guide bar 20 respectively with retaining ring 10 and disc 7 contact department sliding connection, it is equipped with spring 22 to fix between dog 21 and the retaining ring 10, spring 22 overlaps on guide bar 20, it is equipped with first spring 23 to fix between retaining ring 10 and the disc 7, first spring 23 cover is established on guide bar 20.

The retainer ring 10 and the outer ring of the disc 7 have the same diameter.

The base 1 and the vertical plate 5 are fixedly connected by welding.

The working principle is as follows: when the utility model is used, as shown in fig. 1, firstly, a worker pulls the retainer ring 10 towards the direction of the stop 21 with one hand, so that the first spring 23 and the spring 22 are sequentially compressed, and as the first spring 23 is compressed, the retainer ring 10 can move towards the direction of the disc 7, so that the distance between the retainer ring 10 and the disc 7 is shortened, in the process, the retainer ring 10 drives the four fixed blocks 11 to move synchronously, when the fixed blocks 11 move, the pin which is hinged with the fixed blocks 11 and the L-shaped rod 12 slides in the chute 13, and further pushes the L-shaped rod 12 to rotate by taking the pin at the joint of the connecting rod 14 and the L-shaped rod 12 as an axis, when the L-shaped rod 12 rotates, the oblique blocks 18 can be pulled out from the port of the guide cylinder 8 through the fixed plate 15, so that after the four oblique blocks 18 are pulled out from the port of the guide cylinder 8, the worker inserts the steel pipe to be welded, so that the welded end of the steel pipe is attached to the side wall of the support plate 4, then the hand pulling the retainer ring 10 is released, at this time, the retainer ring 10 is bounced off under the acting force of the first spring 23 and the spring 22, the four L-shaped rods 12 are pulled at the moment when the retainer ring 10 is spread out, so that the L-shaped rods 12 can reinsert the inclined block 18 into the tapered end of the guide cylinder 8 through the fixing plate 15, and under the acting force of the first spring 23 and the spring 22, the inclined surface of the tapered end of the guide cylinder 8 pushes the inclined surface of the inclined block 18, so that the inclined block 18 applies force to the outer surface of the steel pipe under the guiding action of the first T-shaped slide block 17, and further the anti-slip rubber layer 19 on the inclined block 18 tightly pushes the outer surface of the steel pipe, so that the guide cylinder 8 stays at the middle part of the steel pipe, so that the acting force of the first spring, the steel pipes required to be welded also penetrate through the guide cylinder 8 on the other side, then the support plate 4 is pulled out towards the side end under the guiding action of the T-shaped sliding block 3, so that the ports of the welding ends of the two steel pipes are aligned and attached, the two steel pipes can be tightly attached under the action of the two first springs 23, and therefore the two steel pipes cannot be dislocated in the welding process.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fixing device for steel pipe welding, includes base (1), its characterized in that: the center of the top surface of the base (1) is provided with a T-shaped sliding groove (2), a T-shaped sliding block (3) is arranged in the T-shaped sliding groove (2) in a sliding manner, a supporting plate (4) is fixed on the T-shaped sliding groove (2) extending out of the top end of the T-shaped sliding block (3), two vertical plates (5) are symmetrically arranged on two sides of the supporting plate (4), the bottom ends of the vertical plates (5) are fixedly connected with the top surface of the base (1), guide holes (6) are symmetrically formed in the side walls of the two vertical plates (5) respectively, a disc (7) is arranged at the side end of each vertical plate (5), the axial lead of the disc (7) is consistent with the axial lead of the guide hole (6), a guide cylinder (8) penetrates through the center of the disc (7), the inner ring of the port at one end, opposite to the vertical plate (5), of the guide cylinder (, the guide cylinder (8) is sleeved with a retainer ring (10), the axial lead of the retainer ring (10) is consistent with the axial lead of the guide cylinder (8), four fixing blocks (11) are fixed on opposite side walls of the retainer ring (10) and the disc (7), the four fixing blocks (11) are arranged in a pairwise symmetrical mode by taking the axis of the retainer ring (10) as the center, an L-shaped rod (12) is hinged on each fixing block (11) through a pin, a sliding groove (13) is formed in the hinged position of the L-shaped rod (12) and the fixing blocks (11), the pin for hinging the L-shaped rod (12) and the fixing blocks (11) is arranged in the sliding groove (13) in a sliding mode, a cross rod of the L-shaped rod (12) penetrates through the retainer ring (10) and is hinged at the center of the cross rod (12) through a pin, the side end of the connecting rod (14) is fixedly connected with the side wall of the disc (, a first T-shaped sliding groove (16) is formed in the side wall of the fixing plate (15), a first T-shaped sliding block (17) is arranged in the first T-shaped sliding groove (16) in a sliding mode, an inclined block (18) is fixed to the side end of the first T-shaped sliding block (17) extending out of the first T-shaped sliding groove (16), the inclined plane of the inclined block (18) is arranged corresponding to the conical inclined plane of the port of the guide cylinder (8), an anti-slip rubber layer (19) is fixedly attached to the bottom end of the inclined block (18), four guide rods (20) are fixed to the side wall of the vertical plate (5), the four guide rods (20) are symmetrically distributed in pairs by taking the axis of the guide hole (6) as the center, a stop block (21) is fixed to the other end of each guide rod (20) sequentially penetrates through the check ring (10) and the disc (7), the guide rods (20) are respectively in sliding connection with the contact positions of the check ring (10) and the disc (7), and, the spring (22) is sleeved on the guide rod (20), a first spring (23) is fixedly arranged between the retainer ring (10) and the disc (7), and the first spring (23) is sleeved on the guide rod (20).

2. The fixing device for welding the steel pipe according to claim 1, wherein: the diameter of the outer ring of the retainer ring (10) is the same as that of the outer ring of the disc (7).

3. The fixing device for welding the steel pipe according to claim 1, wherein: the base (1) is fixedly connected with the vertical plate (5) by welding.