CN212705271U - Fixture for welding spherical pipe - Google Patents

Abstract

The utility model discloses a clamp for welding a spherical pipe, which comprises a clamp main body for fixing the spherical pipe and support frames positioned at two sides of the clamp main body; the clamp main body comprises an upper clamp body and a lower clamp body, arc-shaped grooves matched with the appearance of the spherical pipe are formed in the bottom side of the upper clamp body and the upper side of the lower clamp body, supporting rods are fixedly connected to the two sides of the upper clamp body, and inserting grooves matched with the supporting rods are formed in the lower clamp body; when clamping work is carried out, put into the arc wall with the bulb, the weight of bulb leads to the briquetting to descend to remove the pin and to the blockking of bracing piece, go up the anchor clamps body and descend under the promotion of first spring, fix the bulb, it is very simple to operate.

Description

Fixture for welding spherical pipe

Technical Field

The utility model relates to an anchor clamps are used in welding of bulb.

Background

The spherical pipe is a pipeline connecting piece commonly used in the prior art, the appearance is mainly spherical, the two ends of the spherical pipe are provided with connecting pipe orifices, in the daily use process, the spherical pipe and the existing steel pipe can be welded together, a clamp is needed during welding, the clamp in the prior art is inconvenient to position when clamping spherical objects and clamps the spherical objects through rotating a screw rod, the operation is complex, the welding efficiency can be influenced, and therefore the clamp capable of quickly positioning and fixing the spherical pipe needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a spherical pipe welding anchor clamps can solve prior art's anchor clamps and have complex operation's problem when fixed spherical pipe.

A clamp for welding a spherical pipe comprises a clamp main body for fixing the spherical pipe and support frames positioned on two sides of the clamp main body;

the clamp comprises a clamp body and a clamp body, wherein the bottom side of the clamp body and the upper side of the clamp body are both provided with arc grooves matched with the appearance of a spherical pipe, the two sides of the clamp body are both fixedly connected with supporting rods, the clamp body is provided with a slot matched with the supporting rods, the bottom end of each supporting rod is fixedly connected with a stop block, a first spring sleeved on the corresponding supporting rod is further arranged in the slot, one end of the first spring abuts against the inside of the slot, and the other end of the first spring abuts against the upper side of the stop block;

a groove is formed in the inner wall of the slot, a stop lever used for stopping the support rod from moving downwards is arranged in the groove, a second spring is arranged in the groove, one end of the second spring abuts against the end part of the stop lever, and the other end of the second spring abuts against the groove;

the center department of the concrete arc wall of lower anchor clamps has seted up a recess, is equipped with a briquetting in the recess, the below of briquetting is equipped with the third spring, the internal canceling release mechanical system who is equipped with the briquetting is connected down, when the bulb pressed on the briquetting, the pin with the dog separation just the bracing piece was in the effect of first spring is downstream.

Preferably, the reset mechanism comprises two symmetrically arranged reset groups, and each reset group comprises a pressure rod and a connecting rod for connecting the pressure rod and the pressure block;

the stop lever is provided with a through groove used for yielding the pressing rod, and the groove wall of the through groove and the pressing rod are both provided with guide inclined planes.

Preferably, a rubber pad is arranged in the arc-shaped groove.

Preferably, the top of the support frame is provided with a groove with a semicircular section.

The beneficial effects of the utility model reside in that: the arc-shaped grooves matched with the shapes of the spherical pipes are formed in the opposite side surfaces of the upper clamp body and the lower clamp body, so that the spherical pipes can be conveniently positioned and fixed;

when the clamping operation is carried out, the spherical pipe is placed into the arc-shaped groove, the weight of the spherical pipe causes the pressing block to descend, so that the blocking of the stop lever on the supporting rod is removed, the upper clamp body descends under the pushing of the first spring to fix the spherical pipe, and the operation is very simple;

be equipped with the rubber pad in the arc wall, when pressing from both sides tight bulb, the rubber pad can play the not impaired effect of protection bulb outer wall, secondly can increase frictional force, increase bulb pivoted resistance.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of the present invention when the bulb is not secured.

Description of reference numerals:

1-upper clamp body, 2-lower clamp body, 3-arc groove, 4-support rod, 5-slot, 6-stop block, 7-first spring, 8-stop rod, 9-press block, 10-third spring, 11-support frame, 12-press rod, 13-through groove, 14-rubber pad, and 15-second spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a jig for welding a spherical pipe includes a jig main body for fixing a spherical pipe and support frames 11 located at both sides of the jig main body;

the clamp main body comprises an upper clamp body 1 and a lower clamp body 2, arc-shaped grooves 3 matched with the appearance of a spherical pipe are formed in the bottom side of the upper clamp body 1 and the upper side of the lower clamp body 2, supporting rods 4 are fixedly connected to the two sides of the upper clamp body 1, inserting grooves 5 matched with the supporting rods 4 are formed in the lower clamp body 2, a stop block 6 is fixedly connected to the bottom ends of the supporting rods 4, a first spring 7 sleeved on the supporting rods 4 is further arranged in the inserting grooves 5, one end of the first spring 7 abuts against the inside of the inserting grooves 5, and the other end of the first spring 7 abuts against the upper side of the stop block 6;

during welding, the bulb tube is basically free from other external forces except the clamp, so that the clamp is not required to be particularly tight in fixing, the bulb tube is easy to deform due to the very tight fixing, the stiffness coefficient of the first spring 7 is low, when the welded bulb tube is taken down, the bulb tube can be taken out by pulling the upper clamp body 1 upwards, and a handle can be installed at the top of the upper clamp body 1;

a groove is formed in the inner wall of the slot 5, a stop lever 8 used for stopping the support rod 4 from moving downwards is arranged in the groove, a second spring 15 is arranged in the groove, one end of the second spring 15 abuts against the end part of the stop lever 8, and the other end of the second spring 15 abuts against the groove;

as shown in fig. 2, a guide inclined plane is formed at one end of the blocking rod 8 extending into the slot 5, when the supporting rod 4 moves up and down, the blocking rod 8 is pushed into the groove, but when the supporting rod 4 moves down, the blocking rod 8 blocks the supporting rod 4;

a groove is formed in the center of the arc-shaped groove 3 of the lower clamp body 2, a pressing block 9 is arranged in the groove, a third spring 10 is arranged below the pressing block 9, a reset mechanism connected with the pressing block 9 is further arranged in the lower clamp body 2, when a spherical pipe is pressed on the pressing block 9, the stop lever 8 is separated from the stop block 6, and the support rod 4 moves downwards under the action of the first spring 7;

the reset mechanism comprises two reset groups which are symmetrically arranged, and each reset group comprises a pressure rod 12 and a connecting rod for connecting the pressure rod 12 and the pressing block 9;

a through groove 13 for yielding the compression bar 12 is formed in the stop lever 8, guide inclined planes are respectively arranged on the groove wall of the through groove 13 and the compression bar 12, and the two guide inclined planes are attached together;

a rubber pad 14 is arranged in the arc-shaped groove 3.

The top of the support frame 11 is provided with a groove with a semicircular section.

During the use, the workman holds two horizontal pipe ends of bulb and puts into the arc wall 3 of lower anchor clamps body 2 with it, briquetting 9 in the arc wall 3 descends under the action of gravity of bulb, thereby make depression bar 12 descend, the direction inclined plane of depression bar 12 is contradicted on the direction inclined plane that leads to groove 13 and is made in the pin 8 withdrawal recess, bracing piece 4 does not receive the hindrance of pin 8 and just moves down under the effect of first spring 7, it fixes the bulb with lower anchor clamps body 2 limit to go up anchor clamps body 1, then will put into the recess at support frame 11 top with the steel pipe that the bulb welding is in the same place, can carry out weldment work after the butt joint, after the welding is accomplished, upwards stimulate upper anchor clamps body 1 with the hand, can take out the bulb.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (4)

1. A clamp for welding a spherical pipe is characterized by comprising a clamp main body for fixing the spherical pipe and support frames positioned on two sides of the clamp main body;

the clamp comprises a clamp body and a clamp body, wherein the bottom side of the clamp body and the upper side of the clamp body are both provided with arc grooves matched with the appearance of a spherical pipe, the two sides of the clamp body are both fixedly connected with supporting rods, the clamp body is provided with a slot matched with the supporting rods, the bottom end of each supporting rod is fixedly connected with a stop block, a first spring sleeved on the corresponding supporting rod is further arranged in the slot, one end of the first spring abuts against the inside of the slot, and the other end of the first spring abuts against the upper side of the stop block;

a groove is formed in the inner wall of the slot, a stop lever used for stopping the support rod from moving downwards is arranged in the groove, a second spring is arranged in the groove, one end of the second spring abuts against the end part of the stop lever, and the other end of the second spring abuts against the groove;

the center department of the concrete arc wall of lower anchor clamps has seted up a recess, is equipped with a briquetting in the recess, the below of briquetting is equipped with the third spring, the internal canceling release mechanical system who is equipped with the briquetting is connected down, when the bulb pressed on the briquetting, the pin with the dog separation just the bracing piece was in the effect of first spring is downstream.

2. The welding fixture for spherical pipes according to claim 1, wherein the reset mechanism comprises two symmetrically arranged reset groups, and the reset groups comprise a pressure rod and a connecting rod for connecting the pressure rod and the pressure block;

the stop lever is provided with a through groove used for yielding the pressing rod, and the groove wall of the through groove and the pressing rod are both provided with guide inclined planes.

3. The jig for welding a spherical pipe according to claim 1, wherein a rubber pad is provided in the arc-shaped groove.

4. The fixture for welding the spherical pipe according to claim 1, wherein a groove with a semicircular section is formed at the top of the support frame.

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