CN210281269U

CN210281269U - Steel pipe welding tool

Info

Publication number: CN210281269U
Application number: CN201921198097.6U
Authority: CN
Inventors: 边林昌
Original assignee: Tianjin Tongxintai Steel Pipe Manufacturing Co ltd
Current assignee: Tianjin Tongxintai Steel Pipe Manufacturing Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-10
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a steel pipe welding frock, support cover, the fixed cover of second, second lock nut, chain, first sprocket, footboard, first gear, pivot, second gear, second sprocket including platform, backup pad, sliding construction, rotating-structure, second. The utility model has the advantages that: two sprockets pass through the chain and connect, again through the fixed footboard of one end at first sprocket, consequently only need trample the footboard with the foot, can realize that first sprocket drives the second sprocket and rotates, the second sprocket rotates and can drive second gear and first gear rotation through the pivot, can realize that the fixed cover of second supports the inside rotation of cover at the second this moment, only need to step on the rotation that can realize the welding steel pipe with the foot promptly, thereby realize 360 rotations of welding steel pipe, and because the outside diameter of first gear is greater than the outside diameter of second gear, drive the laborsaving effect of gear wheel through the pinion, thereby can reach the effect of province's power.

Description

Steel pipe welding tool

Technical Field

The utility model relates to a welded fastening device specifically is a steel pipe welding frock belongs to steel pipe production and processing technical field.

Background

Steel pipe having a hollow cross section with a length substantially greater than the diameter or circumference of the steel. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the cross section shape, carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes according to the material quality, steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling, high pressure equipment and the like according to the application, and the steel pipe is divided into a seamless steel pipe and a welded steel pipe according to the production process, wherein the seamless steel pipe is divided into hot rolling and cold rolling (drawing), and the welded steel pipe is divided into a straight seam welded steel pipe and a spiral seam welded steel pipe.

In the production and processing process of the steel pipes, two sections of steel pipes need to be welded and connected for 360 degrees sometimes for production, when workers weld, the workers need to follow the welding seams to weld, inconvenience is brought to the welding workers, especially the welding of the bottom ends of the steel pipes, the workers need to look up to weld, and the workers can be injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel pipe welding frock just in order to solve above-mentioned problem, do not need the welding workman to follow the welding seam and walk, the workman only needs to stand in the original place, can realize 360 rotations of two sections steel pipes, conveniently welds promptly, can use manpower sparingly again.

The utility model realizes the above purpose by the following technical proposal, a steel pipe welding tool comprises a platform and two support plates which are fixed at the bottom end of the platform in a vertical relationship, wherein one end of the platform deviating from the support plates is connected with a sliding structure, one end of the platform deviating from the support plates is connected with a rotating structure, the rotating structure comprises a second support sleeve, a second fixing sleeve, a second locking nut, a chain, a first chain wheel, a pedal, a first gear, a rotating shaft, a second gear and a second chain wheel, the second support sleeve is fixed at one end of the platform deviating from the support plates in a vertical relationship, the second fixing sleeve is rotatably connected inside the second support sleeve, the second locking nut is connected on the second fixing sleeve in a threaded manner, the first gear is fixed outside the second fixing sleeve, and the first gear is rotatably connected with the second support sleeve, the inside of platform rotates to be connected with the pivot the outside of pivot is fixed the second gear, just the second gear with first gear engagement, just the second gear with the platform with the second supports the cover and all rotates to be connected the outside of pivot is fixed the second sprocket, at one of them rotate in the backup pad and be connected with first sprocket, just first sprocket with the second sprocket passes through the chain rotates to be connected the footboard is fixed to the one end of first sprocket.

Preferably, in order to drive the bull gear through the pinion gear for saving labor, the second fixing sleeve is composed of two annular structures with different external diameters and communicated internal diameters, the external diameter of the first gear is larger than that of the second gear, and the second locking nut penetrates through the side wall of the second fixing sleeve.

Preferably, for the convenience fix another section of steel pipe and conveniently carry out the distance between two sections steel pipes, sliding construction includes spout, slider, first supporting sleeve, first fixed cover, first lock nut and bearing, the spout is located the platform the inside sliding connection of spout has the slider the top of slider is fixed first supporting sleeve the inside of first supporting sleeve rotates and is connected with first fixed cover, first fixed cover passes through the bearing with first supporting sleeve rotates and connects, threaded connection has on the first fixed cover first lock nut.

Preferably, in order to limit the sliding block conveniently, the sliding groove and the sliding block are both of a convex structure in cross section.

Preferably, in order to ensure concentric butt joint of the steel pipes, the first support sleeve and the second support sleeve are communicated in shape and size, the first fixed sleeve and the second fixed sleeve are identical in shape and size, and the center lines of the first fixed sleeve and the second fixed sleeve are consistent.

Preferably, in order to incite somebody to action first supporting sleeve carries out spacing fixed, prevents first supporting sleeve slides at the during operation the one end of first supporting sleeve is connected with fixed knot and constructs, fixed knot constructs including fixed plate and fixation nut, the fixed plate is the vertical relation and is fixed in the one end of first supporting sleeve, threaded connection has on the fixed plate fixation nut, just fixation nut runs through the fixed plate.

The utility model has the advantages that: the utility model discloses a second fixed cover rotates to be connected in the inside of second support cover, deuterogamy second lock nut will place the steel pipe in the inside of second fixed cover and carry out the centre gripping fixed, thereby can guarantee that the steel pipe can not take place the rotation when the inside of second support cover rotates along with second fixed cover, and because second fixed cover rotates with second support cover and is connected, thereby can make the steel pipe carry out 360 rotations, deuterogamy sliding structure and fix another section of steel pipe, thereby can be when welding two sections of steel pipes, can carry out 360 rotations with two sections of steel pipes, thereby can conveniently carry out the welding between two sections of steel pipes, do not need the welding workman to follow the welding seam and walk, the workman only needs to stand in situ, can realize 360 rotations of two sections of steel pipes, namely conveniently weld, again can use manpower sparingly, thereby can improve welding efficiency, because the first gear is fixed in the outside of first fixed cover, the second gear is fixed outside the rotating shaft, the first gear is meshed with the second gear, the second chain wheel is fixed outside the rotating shaft through the second gear, the first chain wheel is fixed at one end of the supporting plate, the two chain wheels are connected through the chain, the pedal is fixed at one end of the first chain wheel, the pedal is treaded only by feet, the first chain wheel can drive the second chain wheel to rotate, the second chain wheel can drive the second gear and the first gear to rotate through the rotating shaft, the second fixed sleeve can be rotated inside the second supporting sleeve through the second chain wheel, the welding steel pipe can be rotated only by treading the feet, 360-degree rotation of the welding steel pipe is achieved, the outer diameter of the first gear is larger than that of the second gear, the gear wheel is driven by the pinion to achieve the labor-saving effect.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a coupling structure of the platform and the rotation structure shown in FIG. 1;

fig. 4 is a schematic view of a connection structure of the platform and the sliding structure shown in fig. 1.

In the figure: 1. platform, 2, supporting plate, 3, sliding structure, 31, spout, 32, slider, 33, first supporting sleeve, 34, first fixed cover, 35, first lock nut, 36, bearing, 4, fixed knot construct, 41, fixed plate, 42, fixation nut, 5, rotating-structure, 51, second supporting sleeve, 52, second fixed cover, 53, second lock nut, 54, chain, 55, first sprocket, 56, footboard, 57, first gear, 58, pivot, 59, second gear, 59a, second sprocket.

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.

Referring to fig. 1-4, a steel pipe welding tool includes a platform 1 and two support plates 2 fixed at the bottom end of the platform 1 in a vertical relationship, a sliding structure 3 is connected to an end of the platform 1 away from the support plates 2, a rotating structure 5 is connected to an end of the platform 1 away from the support plates 2, the rotating structure 5 includes a second support sleeve 51, a second fixing sleeve 52, a second lock nut 53, a chain 54, a first sprocket 55, a pedal 56, a first gear 57, a rotating shaft 58, a second gear 59 and a second sprocket 59a, the second support sleeve 51 is fixed at an end of the platform 1 away from the support plates 2 in a vertical relationship, the second fixing sleeve 52 is rotatably connected inside the second support sleeve 51, the second lock nut 53 is connected to the second fixing sleeve 52 in a threaded manner, the first gear 57 is fixed outside the second fixing sleeve 52, the first gear 57 is rotatably connected to the second support sleeve 51, the rotating shaft 58 is rotatably connected to the inside of the platform 1, the second gear 59 is fixed to the outside of the rotating shaft 58, the second gear 59 is engaged with the first gear 57, the second gear 59 is rotatably connected to both the platform 1 and the second support sleeve 51, the second sprocket 59a is fixed to the outside of the rotating shaft 58, the first sprocket 55 is rotatably connected to one of the support plates 2, the first sprocket 55 and the second sprocket 59a are rotatably connected to each other by the chain 54, and the pedal 56 is fixed to one end of the first sprocket 55.

As a technical optimization scheme of the utility model, the fixed cover 52 of second is the communicating ring annular structure of the different inside diameters of two outside diameters and constitutes, the outside diameter of first gear 57 is greater than the outside diameter of second gear 59, second lock nut 53 runs through the lateral wall of the fixed cover 52 of second.

As a technical optimization scheme of the utility model, sliding structure 3 includes spout 31, slider 32, first supporting sleeve 33, first fixed cover 34, first lock nut 35 and bearing 36, spout 31 locates platform 1 the inside sliding connection of spout 31 has slider 32's top is fixed first supporting sleeve 33 the inside of first supporting sleeve 33 is rotated and is connected with first fixed cover 34, first fixed cover 34 passes through bearing 36 with first supporting sleeve 33 rotates and connects, threaded connection has on the first fixed cover 34 first lock nut 35.

As a technical optimization scheme of the present invention, the sliding groove 31 and the sliding block 32 are both of a "convex" structure in cross section.

As a technical optimization scheme of the utility model, first support cover 33 with the shape and the size of second support cover 51 all communicate with each other, first fixed cover 34 with the shape and the size of the fixed cover 52 of second are all the same, just first fixed cover 34 with the central line of the fixed cover 52 of second is in unanimity.

As a technical optimization scheme the one end of first supporting sleeve 33 is connected with fixed knot and constructs 4, fixed knot constructs 4 and includes fixed plate 41 and fixation nut 42, fixed plate 41 is the vertical relation and is fixed in the one end of first supporting sleeve 33, threaded connection has on the fixed plate 41 fixation nut 42, just fixation nut 42 runs through fixed plate 41.

When the utility model is used, firstly, a section of steel pipe with an external diameter which is not much different from the internal diameter of the first fixing sleeve 34 is put into the first fixing sleeve 34, then the first lock nut 35 is rotated to fix the steel pipe with the first fixing sleeve 34, then another section of steel pipe with the same diameter is plugged into the second fixing sleeve 52, then the second lock nut 53 is rotated to fix the steel pipe with the second fixing sleeve 52, at the moment, the first supporting sleeve 33 is slowly moved to ensure that two steel pipes to be welded can be abutted, at the moment, the fixing nut 42 is rotated to ensure that the fixing nut 42 is abutted with a platform, at the moment, the fixing of the first supporting sleeve 33 can be realized, then, the welding between the two sections of steel pipes can be started by using a welding gun, when the position welding is required to be changed, only a pedal 56 is needed to be stepped on, the second fixing sleeve 52 is rotatably connected into the second supporting sleeve 51, the steel pipe placed in the second fixing sleeve 52 is clamped and fixed by matching with the second locking nut 53, so that the steel pipe can be prevented from rotating along with the second fixing sleeve 52 when rotating in the second support sleeve 51, the second fixing sleeve 52 is rotatably connected with the second support sleeve 51, so that the steel pipe can rotate for 360 degrees, and the first fixing sleeve 34 is matched to fix the other section of the steel pipe, so that two sections of the steel pipe can be rotated for 360 degrees when welding the two sections of the steel pipe, so that the welding between the two sections of the steel pipe can be conveniently carried out, a welding worker does not need to walk along with a welding seam, the worker only needs to stand in place, so that the 360-degree rotation of the two sections of the steel pipe can be realized, namely the welding is convenient, the labor can be saved, the welding efficiency can be improved, because the first gear 57 is fixed outside the first fixing sleeve 34, the second gear 59 is fixed outside the rotating shaft 58, and the first gear 57 is engaged with the second gear 59, and then the first sprocket 55 is fixed to one end of the support plate 2 by fixing the second sprocket 59a to the outside of the rotation shaft 58, and the two sprockets are connected by a chain 54, and a pedal 56 is fixed to one end of the first sprocket 55, so that the pedal 56 is stepped on by only foot, the first chain wheel 55 drives the second chain wheel 59a to rotate, the second chain wheel 59a rotates and drives the second gear 59 and the first gear 57 to rotate through the rotating shaft 58, at this time, the second fixing sleeve 52 rotates inside the second supporting sleeve 51, namely, the rotation of the welded steel pipe can be realized only by stepping on the welded steel pipe by feet, thereby realizing the 360-degree rotation of the welded steel pipe, and because the outside diameter of the first gear 57 is greater than the outside diameter of the second gear 59, the effect of saving labor by driving the bull gear through the pinion can be achieved, thereby achieving the effect of saving labor.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a steel pipe welding frock, includes platform (1) and is that the vertical relation is fixed in two backup pads (2) of platform (1) bottom, its characterized in that: one end of the platform (1) deviating from the support plate (2) is connected with a sliding structure (3), one end of the platform (1) deviating from the support plate (2) is connected with a rotating structure (5), the rotating structure (5) comprises a second support sleeve (51), a second fixing sleeve (52), a second locking nut (53), a chain (54), a first chain wheel (55), a pedal (56), a first gear (57), a rotating shaft (58), a second gear (59) and a second chain wheel (59 a), the second support sleeve (51) is fixed at one end of the platform (1) deviating from the support plate (2) in a vertical relation, the second fixing sleeve (52) is rotatably connected inside the second support sleeve (51), the second locking nut (53) is in threaded connection on the second fixing sleeve (52), and the first gear (57) is fixed outside the second fixing sleeve (52), the first gear (57) is rotatably connected with the second support sleeve (51), the rotating shaft (58) is rotatably connected inside the platform (1), the second gear (59) is fixed outside the rotating shaft (58), the second gear (59) is meshed with the first gear (57), the second gear (59) is rotatably connected with both the platform (1) and the second support sleeve (51), the second chain wheel (59 a) is fixed outside the rotating shaft (58), the first chain wheel (55) is rotatably connected with one of the support plates (2), the first chain wheel (55) and the second chain wheel (59 a) are rotatably connected through the chain (54), and the pedal (56) is fixed at one end of the first chain wheel (55).

2. The steel pipe welding tool according to claim 1, characterized in that: the second fixing sleeve (52) is formed by two circular ring structures with different external diameters and communicated internal diameters, the external diameter of the first gear (57) is larger than that of the second gear (59), and the second locking nut (53) penetrates through the side wall of the second fixing sleeve (52).

3. The steel pipe welding tool according to claim 1, characterized in that: sliding construction (3) include spout (31), slider (32), first supporting sleeve (33), first fixed cover (34), first lock nut (35) and bearing (36), spout (31) are located platform (1) the inside sliding connection of spout (31) has slider (32) the top of slider (32) is fixed first supporting sleeve (33) the inside rotation of first supporting sleeve (33) is connected with first fixed cover (34), first fixed cover (34) passes through bearing (36) with first supporting sleeve (33) rotates and connects, threaded connection has on first fixed cover (34) first lock nut (35).

4. The steel pipe welding tool according to claim 3, characterized in that: the cross sections of the sliding groove (31) and the sliding block (32) are both in a convex structure.

5. The steel pipe welding tool according to claim 3, characterized in that: the shape and the size of the first supporting sleeve (33) are communicated with those of the second supporting sleeve (51), the shape and the size of the first fixing sleeve (34) are the same as those of the second fixing sleeve (52), and the central lines of the first fixing sleeve (34) and the second fixing sleeve (52) are consistent.

6. The steel pipe welding tool according to claim 3, characterized in that: the one end of first supporting sleeve (33) is connected with fixed knot and constructs (4), fixed knot constructs (4) including fixed plate (41) and fixation nut (42), fixed plate (41) are the vertical relation and are fixed in the one end of first supporting sleeve (33), threaded connection has on fixed plate (41) fixation nut (42), just fixation nut (42) run through fixed plate (41).