CN211728136U

CN211728136U - Large-diameter steel pipe girth welding supporting and adjusting device

Info

Publication number: CN211728136U
Application number: CN202020266933.6U
Authority: CN
Inventors: 何利超; 胡义文; 董友奇; 李高攀; 果天野; 王建
Original assignee: Stecol Corp
Current assignee: Stecol Corp
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-10-23
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a large-diameter steel pipe girth welding supporting and adjusting device, which belongs to the technical field of large-diameter steel pipe welding and comprises a base, a movable table, a first screw rod and a second screw rod, wherein the movable table is arranged above the base at intervals, and a plurality of first screw rods are arranged above the base; a plurality of second mounting grooves are formed in the upper surface of the mobile station, and second screws are erected in the second mounting grooves. The utility model is provided with the mobile station, and the left and right movement of the mobile station can be controlled by the first screw rod and the first screw sleeve, so that the left and right positions of the steel pipe can be adjusted and aligned; the utility model discloses set up the second supporting wheel, can support the steel pipe to set up second screw rod and second swivel nut and can adjust the high position of second supporting wheel, so that the steel pipe high position can adjust the alignment.

Description

Large-diameter steel pipe girth welding supporting and adjusting device

Technical Field

The utility model belongs to the technical field of heavy-calibre steel pipe welding, specifically a heavy-calibre steel pipe girth welding supports adjusting device.

Background

The large-diameter steel pipe is widely applied to the engineering fields of tap water, natural gas, petroleum, ocean and the like, the inner diameter of the pipeline of the large-diameter steel pipe is generally more than 1.2m, and in the prior art, the longer large-diameter steel pipe is generally made by butt-joint girth welding of a plurality of sections of shorter steel pipes. In the process of welding the steel pipes, the two butted steel pipes need to be supported in position, and the positions of the steel pipes are adjusted, so that the two steel pipes to be welded are aligned and the relative positions of the two steel pipes are kept unchanged, and the welding process is smoothly carried out.

The steel pipe strutting arrangement who currently uses lacks regulatory function, can not carry out the regulation of position to the steel pipe, leads to in welding process, and the staff is difficult to align two sections steel pipes of treating the concatenation, and some strutting arrangement has adjusting device, but comparatively loaded down with trivial details in the accommodation process, and the operation is complicated, and the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy-calibre steel pipe girth welding supports adjusting device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a supporting and adjusting device for girth welding of a large-diameter steel pipe comprises a base, a moving platform, a first screw rod, a second screw rod, a first supporting wheel and a second supporting wheel, wherein a plurality of supporting legs are arranged below the base, the moving platform is arranged above the base at intervals, a plurality of first mounting grooves are formed in the upper surface of the moving platform, and a plurality of first thread sleeves which are arranged at equal intervals are arranged inside the first mounting grooves; a plurality of first screw rods are erected above the base, and first threaded sleeves in the first mounting grooves are sleeved on the first screw rods; the upper surface of the mobile station is provided with a plurality of second mounting grooves; a second screw rod is erected in the second mounting groove; the second screw rod is provided with two second screw sleeves which are bilaterally symmetrically arranged, the second screw sleeves are hinged with the bottom ends of the first hinge support rods, the two first hinge support rods are arranged in a crossed manner, and the top ends of the first hinge support rods are hinged with the mounting block; the opposite sides of the mounting blocks are provided with first supporting rods, and a plurality of first supporting wheels are sleeved on the first supporting rods; the second screw rod is provided with two third screw sleeves which are bilaterally symmetrical, the third screw sleeves are hinged to the bottom end of the second hinge supporting rod, the middle position of the second hinge supporting rod is hinged to the top end of the third hinge supporting rod, the bottom end of the third hinge supporting rod is hinged to the upper surface of the mobile station, a second supporting rod is erected at the top end of the second hinge supporting rod, and the second supporting rod is sleeved with a plurality of second supporting wheels.

As a further aspect of the present invention: first mounting groove sets up along left right direction, and the first mounting groove of multichannel is arranged and equidistant setting along the fore-and-aft direction, and the position of first screw rod corresponds with the position of first mounting groove.

As a further aspect of the present invention: the right-hand member of first screw rod is equipped with first sprocket, and the first sprocket on a plurality of first screw rods passes through the chain and connects, is connected with first carousel on the first sprocket that is located the place ahead.

As a further aspect of the present invention: the second mounting groove is opened along the left-right direction, the plurality of second mounting grooves are arranged in the front-back direction at equal intervals, and the second mounting grooves and the first mounting grooves are arranged at intervals.

As a further aspect of the present invention: the left end of the second screw rod passes through the left side wall of the second mounting groove through the bearing and is provided with a second chain wheel, the second chain wheels on the second screw rods are connected through a chain, and a second rotary disc is arranged on the second chain wheel positioned at the rearmost part.

As a further aspect of the present invention: the second screw rod is divided into a left section and a right section, and the screw thread rotating directions of the two sections of the second screw rods are opposite.

As a further aspect of the present invention: the right end of the first supporting rod positioned on the left side is provided with a sleeve, the left side of the first supporting rod positioned on the right side is provided with an inserting rod, and the left end of the inserting rod is inserted into the sleeve.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model is provided with the mobile station, the left and right movement of the mobile station can be controlled by the first screw rod and the first screw sleeve, and the left and right positions of the mobile station can be conveniently adjusted by the first turntable, so that the left and right positions of the steel pipe can be adjusted and aligned; the utility model is provided with the second supporting wheel which can support the steel pipe, and the second screw rod and the second screw sleeve which can adjust the height position of the second supporting wheel, so that the height position of the steel pipe can be adjusted and aligned; the utility model discloses set up first supporting wheel, can shift to accomplishing welded steel pipe for many steel pipes can carry out welding operation in proper order.

Drawings

FIG. 1 is a left side view of a three-dimensional structure of a support and adjustment device for girth welding of a large-diameter steel pipe.

FIG. 2 is a right side view of a three-dimensional structure of a support and adjustment device for girth welding of a large-diameter steel pipe.

FIG. 3 is a top view of the support and adjustment device for girth welding of large-diameter steel pipes in a disassembled state.

FIG. 4 is a bottom view of the support and adjustment device for girth welding of large-diameter steel pipes in a disassembled state.

FIG. 5 is a schematic view of a transmission structure of a second screw rod in a support and adjustment device for girth welding of a large-diameter steel pipe.

FIG. 6 is a schematic top view of a support and adjustment device for girth welding of large-diameter steel pipes.

FIG. 7 is a schematic sectional view of the A-A in the support and adjustment device for girth welding of large-diameter steel pipes.

FIG. 8 is a schematic sectional view of the support adjusting device B-B in girth welding of a large-diameter steel pipe.

In the figure: 1. a base; 2. supporting legs; 3. a mobile station; 4. a first mounting groove; 5. a first threaded sleeve; 6. a first screw; 7. a first sprocket; 8. a first turntable; 9. a second mounting groove; 10. a second screw; 11. a second sprocket; 12. a second turntable; 13. a second thread insert; 14. a first hinge support rod; 15. mounting blocks; 16. a first support bar; 17. a first support wheel; 18. a sleeve; 19. inserting the rod; 20. a third thread insert; 21. a second hinge support rod; 22. a third hinge support rod; 23. a second support bar; 24. a second support wheel.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-8, a support adjusting device for girth welding of a large-diameter steel pipe comprises a base 1, a movable table 3, a first screw 6, a second screw 10, a first support wheel 17 and a second support wheel 24, wherein a plurality of support legs 2 are arranged below the base 1, the movable table 3 is arranged above the base 1 at intervals, a plurality of first installation grooves 4 are formed in the upper surface of the movable table 3, the plurality of first installation grooves 4 are arranged in the front-back direction at equal intervals, the first installation grooves 4 are arranged in the left-right direction, and a plurality of first thread sleeves 5 arranged at equal intervals are arranged inside the first installation grooves 4; a plurality of first screws 6 are erected above the base 1, the positions of the first screws 6 correspond to those of the first mounting groove 4, the first screws 6 are sleeved with first thread sleeves 5 in the first mounting groove 4, a first chain wheel 7 is arranged at the right end of each first screw 6, the first chain wheels 7 on the first screws 6 are connected through chains, a first rotary disc 8 is connected to the first chain wheel 7 in front of the first chain wheels, the first chain wheel 7 can be driven to rotate through the first rotary disc 8, the first chain wheel 7 can drive the rest of the first chain wheels 7 to rotate through the chains, all the first screws 6 rotate synchronously, and the mobile platform 3 can move left and right under the action of the first screws 6 and the first thread sleeves 5.

A plurality of second mounting grooves 9 are formed in the upper surface of the mobile station 3, the second mounting grooves 9 are formed along the left-right direction, the plurality of second mounting grooves 9 are arranged at equal intervals in the front-back direction, and the second mounting grooves 9 and the first mounting grooves 4 are arranged at intervals; second screw rod 10 has been erect in the second mounting groove 9, the left end of second screw rod 10 passes the left side wall setting of second mounting groove 9 through the bearing, install second sprocket 11 at the left end of second screw rod 10, second sprocket 11 on a plurality of second screw rods 10 passes through the chain and connects, install second carousel 12 on the second sprocket 11 that is located the rearmost, second sprocket 11 that can drive this position through second carousel 12 is rotatory, this second sprocket 11 can drive remaining second sprocket 11 through the chain and rotate, thereby make many second screw rods 10 synchronous revolution.

The second screw 10 is provided with two second threaded sleeves 13 which are bilaterally symmetrically arranged, the second screw 10 is divided into a left section and a right section, the rotating directions of the threads on the two sections of the second screw 10 are opposite, the two second threaded sleeves 13 are respectively sleeved on two different threads of the second screw 10, the two bilaterally symmetrical second threaded sleeves 13 can move in opposite directions or in a way of deviating from each other when the second screw 10 rotates, the second threaded sleeves 13 are hinged with the bottom ends of the first hinge support rods 14, the two first hinge support rods 14 are arranged in a crossed manner, and the top ends of the first hinge support rods 14 are hinged with the mounting block 15; the side in opposite directions of installation piece 15 is equipped with first bracing piece 16, all the cover is equipped with a plurality of first bracing wheels 17 on first bracing piece 16, first bracing wheel 17 can be rotatory round first bracing piece 16 under first bracing piece 16's support, and can remove with adjusting position along first bracing piece 16 left-right, the right-hand member that is located left first bracing piece 16 is equipped with sleeve 18, the left side of first bracing piece 16 that is located the right side is equipped with interlude pole 19, the left end of interlude pole 19 inserts the inside that sets up at sleeve 18, interlude pole 19 can alternate the removal about sleeve 18.

The second screw rod 10 is provided with two third screw sleeves 20 which are bilaterally symmetrical, the two third screw sleeves 20 are respectively sleeved on two sections of different threads of the second screw rod 10, the two third screw sleeves 20 which are bilaterally symmetrical can move in opposite directions or away from each other when the second screw rod 10 rotates, the third screw sleeves 20 are hinged to the bottom end of the second hinge support rod 21, the middle position of the second hinge support rod 21 is hinged to the top end of the third hinge support rod 22, the bottom end of the third hinge support rod 22 is hinged to the upper surface of the moving table 3, a second support rod 23 is erected at the top end of the second hinge support rod 21, the second support rod 23 is sleeved with a plurality of second support wheels 24, and the second support wheels 24 can rotate under the support of the second support rod 23.

The utility model discloses in the use, place the steel pipe that will wait to splice the utility model discloses on, support the steel pipe through second supporting wheel 24, rotate first carousel 8 afterwards, make mobile station 3 move about on base 1, so that the left and right positions of two sections steel pipes align, and rotate second carousel 12, make second supporting wheel 24 rise or descend in a small margin under the effect of second hinge branch pole 21 and third hinge branch pole 22, so that the upper and lower position of two sections steel pipes aligns, after two sections steel pipes align, weld two sections steel pipes; after the welding is finished, the second rotating disc 12 is rotated, the second threaded sleeve 13 and the third threaded sleeve 20 move in opposite directions, the position of the second supporting wheel 24 descends, the position of the first supporting wheel 17 can ascend synchronously, the steel pipe falls onto the first supporting wheel 17, the steel pipe is mainly supported by the first supporting wheel 17, the second supporting wheel 24 only performs auxiliary limiting effect on the steel pipe, and the steel pipe is prevented from sliding left and right.

Then, the steel pipes are moved in the front and rear directions through the first supporting wheels 17 so as to adjust the positions of the welded steel pipes, therefore, only two steel pipes are needed in theory to splice a plurality of steel pipes; at first place two sections steel pipes the utility model discloses on to splice it, will splice two sections steel pipes that accomplish afterwards and move the distance of a steel pipe length backward, place third steel pipe at the vacation afterwards the utility model discloses on, adjust first carousel 8 and second carousel 12 and make the position of third steel pipe and the second steel pipe align to splice third steel pipe and the second steel pipe, according to above-mentioned operation, splice many steel pipes in proper order.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a large-diameter steel pipe girth welding supports adjusting device, includes base (1), mobile station (3), first screw rod (6), second screw rod (10), first supporting wheel (17) and second supporting wheel (24), characterized in that, the below of base (1) is equipped with a plurality of supporting legss (2), the top interval of base (1) is equipped with mobile station (3), the upper surface of mobile station (3) is seted up multichannel first mounting groove (4), the inside of first mounting groove (4) is equipped with a plurality of equidistant first swivel nuts (5) that set up; a plurality of first screw rods (6) are erected above the base (1), and first threaded sleeves (5) in the first mounting grooves (4) are sleeved on the first screw rods (6); a plurality of second mounting grooves (9) are formed in the upper surface of the mobile platform (3); a second screw (10) is erected in the second mounting groove (9); the second screw (10) is provided with two second threaded sleeves (13) which are arranged symmetrically left and right, the second threaded sleeves (13) are hinged with the bottom ends of the first hinge supporting rods (14), the two first hinge supporting rods (14) are arranged in a crossed mode, and the top ends of the first hinge supporting rods (14) are hinged with the mounting block (15); a first supporting rod (16) is arranged on the opposite side of the mounting block (15), and a plurality of first supporting wheels (17) are sleeved on the first supporting rod (16); be equipped with two bilateral symmetry's third swivel nuts (20) on second screw rod (10), third swivel nut (20) are articulated with the bottom of second hinge branch (21), the intermediate position of second hinge branch (21) and the top hinge branch of third hinge branch (22), the bottom of third hinge branch (22) articulates in the upper surface of mobile station (3), second bracing piece (23) have been erect on the top of second hinge branch (21), the cover is equipped with a plurality of second supporting wheels (24) on second bracing piece (23).

2. The support and adjustment device for girth welding of the large-diameter steel pipe according to claim 1, wherein the first installation grooves (4) are arranged along the left-right direction, the plurality of first installation grooves (4) are arranged along the front-back direction at equal intervals, and the positions of the first screws (6) correspond to the positions of the first installation grooves (4).

3. The support and adjustment device for girth welding of large-diameter steel pipes according to claim 1, characterized in that the right end of the first screw (6) is provided with a first chain wheel (7), the first chain wheels (7) on the first screws (6) are connected through a chain, and a first rotating disc (8) is connected to the first chain wheel (7) in front.

4. The support and adjustment device for girth welding of the large-diameter steel pipe according to claim 1, wherein the second mounting groove (9) is formed along the left-right direction, a plurality of second mounting grooves (9) are arranged at equal intervals in the front-back direction, and the second mounting groove (9) and the first mounting groove (4) are arranged at intervals.

5. The support and adjustment device for girth welding of large-diameter steel pipes according to claim 1, wherein the left end of the second screw (10) is arranged through the left side wall of the second mounting groove (9) through a bearing, a second chain wheel (11) is installed at the left end of the second screw (10), the second chain wheels (11) on the plurality of second screws (10) are connected through a chain, and a second rotary disc (12) is installed on the second chain wheel (11) positioned at the rearmost part.

6. The support and adjustment device for girth welding of large-caliber steel pipes according to claim 1, characterized in that the second screw (10) is divided into a left section and a right section, and the threads on the two sections of the second screw (10) are opposite in rotation direction.

7. The support and adjustment device for girth welding of large-diameter steel pipes according to claim 1, wherein a sleeve (18) is provided at the right end of the first support rod (16) at the left side, a penetration rod (19) is provided at the left side of the first support rod (16) at the right side, and the left end of the penetration rod (19) is inserted into the sleeve (18).