CN211438838U

CN211438838U - Pipeline aligning adjusting device

Info

Publication number: CN211438838U
Application number: CN201922499303.3U
Authority: CN
Inventors: 杨礼武; 王冬阳; 张仁杰; 王兰全
Original assignee: Beijing Taide Municipal Engineering Co ltd
Current assignee: Beijing Taide Municipal Engineering Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a pipeline welding appurtenance technical field, in particular to pipeline is to mouthful adjusting device, which comprises a positioning plate, the clamp ring that driving piece and two symmetries set up, the clamp ring includes the upside semi-ring, downside semi-ring and taut piece, upside semi-ring and downside semi-ring opening form are relative and articulated the setting, be close to the first slider of one side fixedly connected with of locating plate at the below semi-ring, the spout has been seted up on the locating plate, the spout sets up along the axis direction that is on a parallel with the clamp ring, first slider and spout sliding fit, can be taut spacing with upside semi-ring and downside semi-ring through taut piece, the driving piece is connected between two clamp rings, the driving piece can drive two downside semi. The utility model discloses a make things convenient for the staff to carry out the function adjusted to the weld joint between two pipelines.

Description

Pipeline aligning adjusting device

Technical Field

The utility model relates to a pipeline welding appurtenance technical field, in particular to pipeline is to mouthful adjusting device.

Background

During the pipeline construction operation, a plurality of pipelines need to be connected in sequence in a welding mode to form a gathering pipeline, in the pipeline welding process, in order to guarantee the welding quality of the pipelines, the aligning quality of the pipelines is guaranteed firstly, the current manual aligning mode is that a pipe crane is matched with a manual external aligning device, a hydraulic jack or a shape correcting bolt is manually operated, and the correction, the assembling and the weld gap adjustment of the pipe orifice are completed.

The utility model discloses a but outside butt joint ware of prior art's pipeline welding refers to the utility model patent that the grant bulletin number is CN201970046U, including two articulated semicircular staple bolt framves, be equipped with hydraulic ram at the end of opening and shutting of staple bolt frame and draw the device, the end of opening and shutting of one of them staple bolt frame has the connection piece through the round pin hub connection, and the end of opening and shutting of another staple bolt frame is equipped with the slide, and the other end of connection piece passes through the round pin hub cross-under in the slide, hydraulic ram draws device connecting pin axle. Through two staple bolt framves with the pipeline right be in the same place, then the staff at first carries out spot welding to two pipelines, two pipeline preliminary welding backs, and when the staff pulled down the mouthpart, earlier unscrewed the oil valve, made hydraulic ram device pressure release, unpack apart the chain piece again and can dismantle to can continue to carry out the full weld to the gap between two pipelines.

The shortcoming of the above-mentioned prior art lies in, the pipelayer is to hoisting two pipelines and the level is placed, two pipelines of staff manual regulation are adjusted, so that the axial of two pipelines and radial homoenergetic are aligned, then the staff need leave the weld joint between two pipelines, so that the staff passes through welder with two pipeline welding and links to each other, nevertheless there is the error easily in the axial distance between two pipelines of staff manual regulation, consequently make the difficult accurate control of weld joint width between two pipelines, consequently can cause the influence for weldment work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline is to mouthful adjusting device has realized making things convenient for the function that the staff adjusted to the weld joint between two pipelines.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a pipeline is to mouthful adjusting device, including the locating plate, the clamp ring that driving piece and two symmetries set up, the clamp ring includes the upside semi-ring, downside semi-ring and taut piece, upside semi-ring and downside semi-ring opening form are relative and articulated to be set up, be close to the first slider of one side fixedly connected with of locating plate at the downside semi-ring, the spout has been seted up on the locating plate, the spout sets up along the axis direction that is on a parallel with the clamp ring, first slider and spout sliding fit, it is spacing to be able to be with the taut semi-ring of upside semi-ring and downside through taut piece, the driving piece is connected between two clamp rings.

By adopting the technical scheme, the pipelines to be welded are respectively placed between the upper half ring and the lower half ring, so that the two opposite end surfaces of the two pipelines to be welded are symmetrically arranged at the midpoint of the central connecting line of the two clamping rings, the upper half ring and the lower half ring are tightened by the tightening piece, so that the pipelines are tightly pressed by the upper half ring and the lower half ring, the driving piece drives the two lower half rings to mutually approach, the two first sliding blocks respectively slide in the two sliding grooves, so that the two pipelines mutually approach, because the end parts of the two pipelines move synchronously, because the initial positions of the two end surfaces of the two pipelines to be welded are symmetrical and the moving distances are the same, therefore, the distance of the welding seam between the two pipelines can be accurately adjusted by a worker only through the driving piece, the two pipelines are clamped and positioned through the two clamping rings respectively, and the welding seam between the two pipelines can be welded by the worker.

The utility model discloses further set up to: the tensioning piece comprises a tensioning hydraulic cylinder and a tensioning frame, the tensioning hydraulic cylinder is fixedly connected to the end portion of the upper half ring, the cylinder body of the tensioning hydraulic cylinder is arranged along the direction perpendicular to the axis of the clamping ring, the clamping block is fixedly connected to the end portion of the lower half ring, one side edge of the tensioning frame is rotatably connected with the piston rod of the tensioning hydraulic cylinder, and one side edge of the tensioning frame, which is far away from the tensioning hydraulic cylinder, can be sleeved on the outer side of the clamping block and is limited by the abutting of the clamping block.

Through adopting above-mentioned technical scheme to the piston rod of taut pneumatic cylinder rotates taut frame as the center of rotation, then establishes the border cover of taut frame in the outside of joint piece, and the joint piece plays limiting displacement to taut frame, and the piston rod extension of control taut pneumatic cylinder makes the border and the joint piece of taut frame support tightly, even makes upside semi-ring and downside semi-ring support tightly, makes the pipeline can be pressed from both sides tightly between upside semi-ring and downside semi-ring.

The utility model discloses further set up to: the driving piece comprises a connecting shaft, hinged rods and a driving hydraulic cylinder, the two hinged rods are arranged in a crossed mode and are X-shaped, the connecting shaft is arranged at the crossed position of the two hinged rods, the connecting shaft is connected with the two hinged rods in a rotating mode, the end portions of the two hinged rods are respectively hinged with the two lower side half rings, the driving hydraulic cylinder is connected between the two end portions, far away from the clamping ring, of the two hinged rods, and the two ends of the driving hydraulic cylinder are respectively hinged with the two hinged rods.

By adopting the technical scheme, the distance between the two hinged rods and the end part can be adjusted by controlling the extension and retraction of the piston rod of the driving hydraulic cylinder, meanwhile, the connecting shaft moves relative to the positioning plate along the direction vertical to the axis of the clamping ring, and the two lower half rings are close to or far away from each other along with the rotation of the two hinged rods, so that the function of enabling the pipelines in the two clamping rings to synchronously move is realized.

The utility model discloses further set up to: the second groove is formed in the positioning plate, the second groove is located on one side of the clamping ring and is arranged in the direction perpendicular to the axis of the clamping ring, the lower end of the connecting shaft is fixedly connected with a sliding block, and the sliding block is connected with the second groove in a sliding mode.

Through adopting above-mentioned technical scheme, the sliding block moves along the second groove, consequently makes the connecting axle more stable along the removal of locating plate, has realized improving the stability that driving piece drive two clamp rings and pipeline removed.

The utility model discloses further set up to: the alignment blocks are fixedly arranged on the positioning plate, the two alignment blocks are symmetrically arranged at the midpoint of the central connecting line of the two clamping rings, and the two alignment blocks are positioned between the two clamping rings.

Through adopting above-mentioned technical scheme, treat that the terminal surface that the welded pipeline is waited to weld with two respectively with two alignment blocks align for the initial position of two pipelines can be for the midpoint symmetry setting of two clamp ring center department lines, the initial position that the tip is waited to weld for two pipelines is the same, the distance that the driving piece drove two pipelines and moves for the locating plate is the same, the staff only need control the driving piece can conveniently adjust the weld joint between two pipelines.

The utility model discloses further set up to: a resisting piece is arranged between the two clamping rings, the resisting piece comprises an auxiliary ring and an auxiliary hydraulic cylinder, the auxiliary ring comprises an upper half ring and a lower half ring, the openings of the upper half ring and the lower half ring are opposite and can form a ring, the lower half ring is fixedly arranged on the positioning plate, the upper half ring and the lower half ring are hinged, the upper half ring comprises two connecting rings and connecting rods which are parallel to each other, the connecting rods are fixedly connected between the two connecting rings, the connecting rods are arranged on the connecting rings at intervals, the axial line of the auxiliary ring and the axial line of the clamping ring are positioned on the same straight line, the radius of the auxiliary ring is the same as that of the clamping ring, a cylinder body of the auxiliary hydraulic cylinder is fixedly arranged on, the piston rod of the auxiliary hydraulic cylinder is rotatably connected with a limiting frame, the end part of the upper half ring is fixedly provided with an upper clamping block, and the limiting frame can be sleeved on the upper clamping block and is limited by the upper clamping block in a butting mode.

By adopting the technical scheme, when two pipelines to be welded are moved, the upper half ring is far away from the lower half ring, the two pipelines in the two clamping rings are driven to be close to each other through the driving piece, after the two pipelines move into the lower half ring and the distance of the welding seam is adjusted to a required value, the upper half ring is close to the lower half ring, then the limiting frame is sleeved on the outer side of the upper clamping block, then the piston rod of the control cylinder is controlled to contract, the upper clamping block is tensioned and limited by the limiting frame, therefore, the pipelines are clamped between the upper half ring and the lower half ring, the pipelines are further abutted and limited, the pipelines are not easy to move relative to the positioning plate, therefore, the welding precision during pipeline welding is improved, when a worker welds the welding seam between the two pipelines, a welding gun can weld a gap between the adjacent connecting rods.

The utility model discloses further set up to: the spring is fixedly arranged on the positioning plate and arranged along the direction perpendicular to the positioning plate, two ends of the spring are respectively abutted against the lower side of the upper clamping block and the positioning plate, and the spring is in a compressed state.

By adopting the technical scheme, when the upper half ring and the lower half ring are in a separated state, the upper half ring is far away from the lower half ring under the action of the elastic force of the spring, so that the two pipelines are difficult to rub with the upper half ring when moving between the upper half ring and the lower half ring, the movement of the pipelines is difficult to be influenced by the upper half ring, after the distance of a welding seam between the two pipelines is adjusted, the limiting frame is sleeved on the outer side wall of the upper clamping block, the spring is further compressed, the piston rod of the auxiliary hydraulic cylinder is controlled to contract, the pipeline is tightly supported on the lower half ring by the upper half ring, and the function of manually lifting the upper half ring by a worker is not needed when the pipelines move

The utility model discloses further set up to: an auxiliary rod is fixedly arranged on the positioning plate, the auxiliary rod is perpendicular to the positioning plate and is positioned below the upper clamping block, a gap is formed between the end part of the auxiliary rod, far away from the positioning plate, and the upper clamping block, and the spring sleeve is arranged on the peripheral wall of the auxiliary rod.

Through adopting above-mentioned technical scheme, the auxiliary rod plays the guide effect to the flexible of spring for the spring can be followed the direction of perpendicular to locating plate and compressed and extend.

To sum up, the utility model discloses following technological effect has:

1. by adopting the structure of the clamping ring and the driving piece, the function of conveniently adjusting the welding seam between the two pipelines by workers is realized;

2. by adopting the structure of the abutting piece, the function that the pipeline is not easy to move relative to the positioning plate when being welded is realized;

3. through the structure that adopts spring and auxiliary rod, realized the function that upper half ring can separate with lower half ring under the effect of spring force.

Drawings

FIG. 1 is a schematic three-dimensional view of the present implementation;

FIG. 2 is a partial three-dimensional schematic view of a configuration of a protruding clinch element;

FIG. 3 is a partial three-dimensional schematic view of the projecting clamp ring and driver configuration.

In the figure, 1, a positioning plate; 11. a chute; 12. a second groove; 13. an alignment block; 2. a clamping ring; 21. an upper half ring; 211. a clamping block; 22. a lower half ring; 221. a first slider; 23. a tension member; 231. tensioning the hydraulic cylinder; 232. tensioning the frame; 3. a drive member; 31. a hinged lever; 32. driving the hydraulic cylinder; 33. a connecting shaft; 331. a sliding block; 4. an abutting piece; 41. an auxiliary ring; 411. an upper half ring; 4111. a connecting ring; 4112. a connecting rod; 4113. an upper clamping block; 412. a lower half ring; 42. an auxiliary hydraulic cylinder; 421. a limiting frame; 44. an auxiliary lever; 43. a spring; 5. a pipeline.

Detailed Description

As shown in fig. 1, the utility model provides a pipeline is to mouthful adjusting device, including locating plate 1, driving piece 3, support tight 4, two clamp rings 2, support tight 4, clamp ring 2 and driving piece 3 all establish the setting on the upper surface of locating plate 1, two 2 symmetrical settings of clamp ring are in the both sides of supporting tight 4, two clamp rings 2 can press from both sides pipeline 5 tight spacing, it can press from both sides pipeline 5 tight spacing to support tight 4, driving piece 3 can drive two clamp rings 2 for locating plate 1 to being close to or keeping away from the direction synchronous motion of supporting tight 4. The two pipelines 5 to be welded are horizontally placed, a worker can manually lift the pipelines 5 or lift the pipelines 5 by a lifting appliance, then the end parts of the two pipelines 5 to be welded are respectively clamped and limited by two clamping rings 2, meanwhile, the end parts of the two pipelines 5 are symmetrically arranged by taking a butting part 4 as a symmetrical center, because the two clamping rings 2 are symmetrically arranged, the end parts of the two pipelines 5 are preliminarily aligned in the axial direction and the radial direction when being clamped by the two clamping rings 2, then a driving part 3 is controlled to drive the two pipelines 5 in the two clamping rings 2 to be close to each other, the two pipelines 5 synchronously move until the two pipelines 5 are positioned between the butting parts 4, meanwhile, a welding seam between the two pipelines 5 meets the welding requirement, the butting part 4 further butts the pipelines 5 for limitation, the two pipelines 5 are further aligned in the axial direction and the radial direction, and then the worker welds two opposite end faces of the two pipelines 5, the initial positions of the two pipes 5 are symmetrical and the moving distances are the same, so that the width of the weld joint between the two pipes 5 can be controlled by the operator by controlling the driving member 3.

As shown in fig. 2, the tightening member 4 includes an auxiliary ring 41 and an auxiliary hydraulic cylinder 42, the auxiliary ring 41 includes an upper half ring 411 and a lower half ring 412, the upper half ring 411 and the lower half ring 412 are opposite in opening and can form a ring, the lower half ring 412 is fixedly disposed on the positioning plate 1, the upper half ring 411 and the lower half ring 412 are hingedly disposed, the upper half ring 411 includes two connecting rings 4111 and a connecting rod 4112 which are parallel to each other, the connecting rod 4112 is fixedly connected between the two connecting rings 4111, the connecting rods 4112 are disposed at intervals along the connecting rings 4111, the cylinder body of the auxiliary hydraulic cylinder 42 is fixedly disposed on the positioning plate 1 and perpendicular to the positioning plate 1, a limiting frame 421 is rotatably connected to the piston rod of the auxiliary hydraulic cylinder 42, an upper clamping block 4113 is fixedly disposed on an end of the connecting ring 4111, and the limiting frame 421 can be sleeved on the upper clamping block. When two pipelines 5 to be welded are moved through the driving piece 3 and the clamping ring 2, the upper half ring 411 is far away from the lower half ring 412, the driving piece 3 drives the two pipelines 5 in the two clamping rings 2 to approach each other, when the two pipelines 5 move into the lower half ring 412 and the welding seam distance is adjusted to a required value, the upper half ring 411 approaches the lower half ring 412, then the limiting frame 421 is sleeved on the outer side of the upper clamping block 4113, then the piston rod of the auxiliary hydraulic cylinder 42 is controlled to contract, the limiting frame 421 tightens the upper clamping block 4113 for limiting, therefore, the pipelines 5 are clamped between the upper half ring 411 and the lower half ring 412, the pipelines 5 are further pressed for limiting, and a worker welds a gap between the adjacent connecting rods 4112 through a welding gun.

In 5 removal in-processes of pipeline, the staff need manually overturn go-between 4111, for the convenience make go-between 4111 keep with support the state of tight separation, as shown in fig. 2, the utility model discloses fixed being provided with auxiliary rod 44 on locating plate 1, auxiliary rod 44 perpendicular to locating plate 1 is and be located the below of last fixture block 4113, auxiliary rod 44 keeps away from between the tip of locating plate 1 and the last fixture block 4113 and forms the clearance, the cover is equipped with spring 43 on auxiliary rod 44's the lateral wall, spring 43 sets up along the direction of perpendicular to locating plate 1, the both ends of spring 43 respectively with the downside and the 1 butt of locating plate of last fixture block 4113, spring 43 is in compression state. When the upper half ring 411 and the lower half ring 412 are in a separated state, the upper half ring 411 is far away from the lower half ring 412 under the action of the elastic force of the spring 43, so that the two pipelines 5 are not easy to rub against the upper half ring 411 when moving between the upper half ring 411 and the lower half ring 412, therefore, the movement of the pipelines 5 is not easily influenced by the upper half ring 411, after the distance of a welding seam between the two pipelines 5 is adjusted, the limiting frame 421 is sleeved on the outer side wall of the upper clamping block 4113, the spring 43 is further compressed, the piston rod of the auxiliary hydraulic cylinder 42 is controlled to contract, the upper half ring 411 supports the pipelines 5 against the lower half ring 412, and the function that a worker manually lifts the upper half ring 411 when the pipelines 5 move is not needed; the auxiliary lever 44 guides the extension and contraction of the spring 43 so that the spring 43 can be compressed and extended in a direction perpendicular to the positioning plate 1.

As shown in fig. 2, clamp ring 2 includes upper half ring 21, lower half ring 22 and tightening member 23, upper half ring 21 and lower half ring 22 are opposite in opening and hinged to each other, a first slider 221 is fixedly connected to one side of lower half ring 22 close to positioning plate 1, positioning plate 1 is provided with chute 11, chute 11 is arranged along the axis direction parallel to clamp ring 2, first slider 221 and chute 11 are in sliding fit, upper half ring 21 and lower half ring 22 can be tightened and limited by tightening member 23, the axis of auxiliary ring 41 and the axis of clamp ring 2 are located on the same straight line, the radius of auxiliary ring 41 is the same as the radius of clamp ring 2, and as shown in fig. 3, driving member 3 can drive two lower half rings 22 to approach to each other or to move away from each other. The pipeline 5 to be welded is respectively placed between the upper half ring 21 and the lower half ring 22, so that two opposite end faces of the pipeline 5 to be welded are symmetrically arranged by taking the auxiliary ring 41 as a symmetric center, the upper half ring 21 and the lower half ring 22 are tensioned through the tensioning piece 23, the pipeline 5 is abutted by the upper half ring 21 and the lower half ring 22, the driving piece 3 drives the two lower half rings 22 to synchronously move and approach each other, the two first sliding blocks 221 respectively slide in the two sliding grooves 11, therefore, a worker can accurately adjust the distance of a welding seam between the two pipelines 5 only through the driving piece 3, the two pipelines 5 are respectively clamped and positioned through the two clamping rings 2, and the worker can weld the welding seam between the two pipelines 5.

Taut 23 can adopt bolted connection's mode or adopt through the taut spacing mode of pneumatic cylinder, take out pipeline 5 for the sake of convenience, as shown in fig. 2, the utility model discloses an above-mentioned second mode, taut 23 includes taut pneumatic cylinder 231 and taut frame 232, and the taut pneumatic cylinder 231 of fixedly connected with on the tip of upper side semi-ring 21, the cylinder body of taut pneumatic cylinder 231 sets up along the direction of perpendicular to clamp ring 2 axis, and fixedly connected with joint piece 211 on the tip of lower side semi-ring 22, one side border of taut frame 232 is rotated with the piston rod of taut pneumatic cylinder 231 and is connected, and one side border that taut frame 232 kept away from taut pneumatic cylinder 231 can overlap and establish in the outside of joint piece 211 and spacing with joint piece 211 butt. The piston rod of the tensioning hydraulic cylinder 231 is used as a rotation center to rotate the tensioning frame 232, then the edge of the tensioning frame 232 is sleeved on the outer side of the clamping block 211, the clamping block 211 plays a limiting role in the tensioning frame 232, the piston rod of the tensioning hydraulic cylinder 231 is controlled to extend, the edge of the tensioning frame 232 is tightly abutted to the clamping block 211, namely the upper half ring 21 and the lower half ring 22 are tightly abutted, and the pipeline 5 can be tightly clamped between the upper half ring 21 and the lower half ring 22.

In order to facilitate the initial position of two pipes 5 before moving to be set up symmetrically with auxiliary ring 41 as the center of symmetry, as shown in fig. 2, the utility model discloses fixed alignment block 13 that is provided with on locating plate 1, two alignment blocks 13 are set up symmetrically with auxiliary ring 41 as the center of symmetry, and alignment block 13 is located between auxiliary ring 41 clamp ring 2 and is located one side of lower side half ring 22, and alignment block 13 can not interfere the removal of lower side half ring 22. The end faces to be welded of the two pipelines 5 to be welded are aligned with the two aligning blocks 13 respectively, so that the initial positions of the two pipelines 5 can be symmetrically arranged relative to the center of the auxiliary ring 41, the initial positions of the end portions to be welded of the two pipelines 5 are the same, the driving piece 3 drives the two pipelines 5 to move for the same distance relative to the positioning plate 1, and a worker can conveniently adjust the welding seam between the two pipelines 5 by controlling the driving piece 3.

As shown in fig. 3, the driving member 3 includes a driving member 3 including a connecting shaft 33, two hinge rods 31 and a driving hydraulic cylinder 32, the two hinge rods 31 are arranged in a crossed manner and are in an X shape, the connecting shaft 33 is arranged at the intersection of the two hinge rods 31, the connecting shaft 33 is rotatably connected to the two hinge rods 31, the end portions of the two hinge rods 31 are respectively hinged to the two lower half rings 22, the driving hydraulic cylinder 32 is connected between the two end portions of the two hinge rods 31 far away from the clamping ring 2, and the two ends of the driving hydraulic cylinder 32 are respectively hinged to the two hinge rods 31. The driving hydraulic cylinder 32 can adjust the distance between the two hinged rods 31 as the end part by controlling the extension and contraction of the piston rod, and meanwhile, the connecting shaft 33 moves relative to the positioning plate 1 along the direction perpendicular to the axis of the clamping ring 2, and the two lower half rings 22 move close to or away from each other along with the rotation of the two hinged rods 31, namely, the function of enabling the pipelines 5 in the two clamping rings 2 to move synchronously is realized.

In order to make the movement of the connecting shaft 33 along the positioning plate 1 more stable, as shown in fig. 3, a second groove 12 is formed on the positioning plate 1, the second groove 12 is located at one side of the auxiliary ring 41 and is arranged along a direction perpendicular to the axis of the auxiliary ring 41, a sliding block 331 is fixedly connected to the lower end of the connecting shaft 33, and the sliding block 331 is slidably connected to the second groove 12. The sliding block 331 moves along the second slot 12, thereby making the movement of the connecting shaft 33 along the positioning plate 1 more stable, and achieving an improved stability of the driving member 3 driving the two clamping rings 2 and the pipe 5.

The utility model discloses a theory of operation does:

when the pipeline 5 is welded, firstly, the piston rod of the auxiliary hydraulic cylinder 42 is controlled to extend to enable the limiting frame 421 to be far away from the upper clamping block 4113, the connecting ring 4111 is separated from the lower half ring 412 under the action of the elastic force of the spring 43, then the pipeline 5 to be welded is respectively placed between the upper half ring 21 and the lower half ring 22, so that the opposite end surfaces of the two pipelines 5 are respectively aligned with the planes of the two positioning blocks, then the piston rod of the tensioning hydraulic cylinder 231 is taken as a rotation center to rotate the tensioning frame 232, then the edge of the tensioning frame 232 is sleeved outside the clamping block 211, the clamping block 211 plays a limiting role on the tensioning frame 232, the piston rod of the tensioning hydraulic cylinder 231 is controlled to extend to enable the edge of the tensioning frame 232 to be tightly abutted against the clamping block 211, namely the upper half ring 21 is tightly abutted against the lower half ring 22, so that; finally, the hydraulic cylinder 32 is driven to drive the piston rod to stretch and retract by controlling the piston rod thereof, so that the two hinge rods 31 drive the two lower half rings 22 to slide along the sliding groove 11, meanwhile, the sliding block 331 slides along the second groove 12, so that the end parts of the two pipelines 5 approach each other, when the distance between the two pipelines 5 meets the welding distance, the upper half ring 411 approaches the lower half ring 412, then the limiting frame 421 is sleeved on the outer side of the upper clamping block 4113, then the piston rod of the auxiliary hydraulic cylinder 42 is controlled to contract, the limiting frame 421 tightens and limits the upper clamping block 4113, so that the pipeline 5 is clamped between the upper half ring 411 and the lower half ring 412, so that the pipeline 5 is further tightly abutted and limited, a worker welds a welding gun to a gap between the adjacent connecting rods 4112, and takes out the pipeline 5 from between the clamping ring 2 and the abutting piece 4 after spot welding the pipeline 5, and fully welds the pipeline 5.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A pipeline aligning adjusting device is characterized by comprising a positioning plate (1), a driving piece (3) and two symmetrically arranged clamping rings (2), wherein each clamping ring (2) comprises an upper half ring (21), a lower half ring (22) and a tensioning piece (23), the openings of the upper half ring (21) and the lower half ring (22) are opposite and hinged, a first sliding block (221) is fixedly connected on one side of the lower half ring (22) close to the positioning plate (1), a sliding groove (11) is arranged on the positioning plate (1), the sliding groove (11) is arranged along the axial direction parallel to the clamping ring (2), a first sliding block (221) is in sliding fit with the sliding groove (11), can take up the upside semi-ring (21) and the spacing of downside semi-ring (22) take up through straining (23), driving piece (3) are connected between two clamp rings (2), and driving piece (3) can drive two downside semi-rings (22) and be close to each other or keep away from each other.

2. The pipeline aligning adjusting device according to claim 1, wherein the tensioning member (23) comprises a tensioning hydraulic cylinder (231) and a tensioning frame (232), the tensioning hydraulic cylinder (231) is fixedly connected to the end portion of the upper half ring (21), the cylinder body of the tensioning hydraulic cylinder (231) is arranged in a direction perpendicular to the axis of the clamping ring (2), a clamping block (211) is fixedly connected to the end portion of the lower half ring (22), one side edge of the tensioning frame (232) is rotatably connected with the piston rod of the tensioning hydraulic cylinder (231), and one side edge of the tensioning frame (232) far away from the tensioning hydraulic cylinder (231) can be sleeved on the outer side of the clamping block (211) and is abutted against the clamping block (211) for limiting.

3. The pipeline aligning adjusting device according to claim 2, wherein the driving member (3) comprises a connecting shaft (33), two hinge rods (31) and a driving hydraulic cylinder (32), the two hinge rods (31) are arranged in a crossed manner and are X-shaped, the connecting shaft (33) is arranged at the crossed position of the two hinge rods (31), the connecting shaft (33) is rotatably connected with the two hinge rods (31), the end parts of the two hinge rods (31) are respectively hinged with the two lower half rings (22), the driving hydraulic cylinder (32) is connected between the two end parts of the two hinge rods (31) far away from the clamping ring (2), and the two ends of the driving hydraulic cylinder (32) are respectively hinged with the two hinge rods (31).

4. The pipeline aligning adjusting device according to claim 3, wherein a second groove (12) is formed in the positioning plate (1), the second groove (12) is located on one side of the clamping ring (2) and is arranged along the direction perpendicular to the axis of the clamping ring (2), a sliding block (331) is fixedly connected to the lower end of the connecting shaft (33), and the sliding block (331) is slidably connected with the second groove (12).

5. A pipe aligning device according to claim 4, wherein the aligning block (13) is fixedly arranged on the positioning plate (1), the two aligning blocks (13) are symmetrically arranged at the midpoint of the central connecting line of the two clamping rings (2), and the two aligning blocks (13) are positioned between the two clamping rings (2).

6. The pipeline aligning adjustment apparatus according to claim 1, wherein a fastening member (4) is disposed between two clamping rings (2), the fastening member (4) comprises an auxiliary ring (41) and an auxiliary hydraulic cylinder (42), the auxiliary ring (41) comprises an upper half ring (411) and a lower half ring (412), the upper half ring (411) and the lower half ring (412) have opposite openings and can form a ring, the lower half ring (412) is fixedly disposed on the positioning plate (1), the upper half ring (411) and the lower half ring (412) are hinged, the upper half ring (411) comprises two connecting rings (4111) and a connecting rod (4112) which are parallel to each other, the connecting rod (4112) is fixedly connected between the two connecting rings (4111), the connecting rods (4112) are spaced along the connecting rings (4111), the axis of the auxiliary ring (41) and the axis of the clamping ring (2) are on the same straight line, the radius of supplementary ring (41) is the same with the radius of clamp ring (2), and the cylinder body of supplementary pneumatic cylinder (42) is fixed to be set up on locating plate (1) and perpendicular to locating plate (1), and it is connected with spacing frame (421) to rotate on the piston rod of supplementary pneumatic cylinder (42), fixes being provided with fixture block (4113) on the tip of last semi-ring (411), and spacing frame (421) can overlap to be established on last fixture block (4113) and spacing with last fixture block (4113) butt.

7. The pipeline aligning device according to claim 6, wherein a spring (43) is fixedly disposed on the positioning plate (1), the spring (43) is disposed along a direction perpendicular to the positioning plate (1), two ends of the spring (43) are respectively abutted against the lower side of the upper fixture block (4113) and the positioning plate (1), and the spring (43) is in a compressed state.

8. The pipeline aligning device according to claim 7, wherein an auxiliary rod (44) is fixedly disposed on the positioning plate (1), the auxiliary rod (44) is perpendicular to the positioning plate (1) and is located below the upper fixture block (4113), a gap is formed between an end of the auxiliary rod (44) far away from the positioning plate (1) and the upper fixture block (4113), and the spring (43) is sleeved on an outer circumferential wall of the auxiliary rod (44).