CN115069912A

CN115069912A - Pipeline expanding device

Info

Publication number: CN115069912A
Application number: CN202210853661.3A
Authority: CN
Inventors: 车朝杰
Original assignee: Jiangsu Clyde Laser Technology Co ltd
Current assignee: Jiangsu Clyde Laser Technology Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-09-20
Anticipated expiration: 2042-07-20
Also published as: CN115069912B

Abstract

The invention relates to the technical field of pipeline processing equipment, in particular to a pipeline expanding device which comprises a pipeline limiting assembly, a pipeline feeding and discharging assembly, a pipeline conveying assembly and a pipeline processing assembly, wherein the pipeline feeding and discharging assembly is arranged on the pipeline; the pipeline limiting assembly comprises a plurality of first adjusting frames which are arranged on the ground in parallel; the first adjusting frames, the connecting frames and the second adjusting frames form an Contraband-shaped structure, the side wall of each first adjusting frame opposite to the second adjusting frame is provided with a horizontally-displaceable limiting telescopic rod, and the opposite ends of the two groups of limiting telescopic rods are vertically provided with material clamping plates for clamping and limiting the side wall of the pipeline; the diameter of pipelines with different specifications is convenient to expand; when the expanding disc rotates, the expanding block is driven to rotate, and the pipeline is expanded uniformly, so that the radian of the pipe diameter of the pipeline is uniform.

Description

Pipeline expanding device

Technical Field

The invention relates to the technical field of pipeline processing equipment, in particular to a pipeline expanding device.

Background

The pipeline expanding processing is a processing mode of expanding a hollow part or a blank with a smaller diameter outwards in the radial direction by stretching a material, and force is applied from the inner wall of a steel pipe in a hydraulic or mechanical mode, so that the steel pipe is expanded and formed outwards in the radial direction.

With the development of industrial technology, particularly petroleum and chemical industry, the demand of large-diameter seamless steel pipes is increased year by year, but when the existing pipeline expanding equipment is used, the pipeline with different specifications is difficult to expand, and when the pipeline with different specifications is treated, the processing equipment with different specifications is required to be used, so that the processing cost is overhigh.

Aiming at the problems exposed in the use process of the existing pipeline expanding equipment, the pipeline expanding device needs to be improved and optimized.

Disclosure of Invention

In order to solve the technical problem, the invention provides a pipeline expanding device which has the characteristic of facilitating expanding of pipelines with different specifications.

In order to achieve the purpose, the invention provides the following technical scheme: a pipeline expanding device comprises a pipeline limiting assembly, a pipeline feeding and discharging assembly, a pipeline conveying assembly and a pipeline machining assembly.

The spacing subassembly of pipeline includes a plurality of parallel arrangement subaerial first alignment jig, each first alignment jig passes through connection roof beam structure fixed connection, every the one end of first alignment jig is all vertical to be provided with the link, every the top horizontal fixation of link is provided with the second alignment jig parallel with first alignment jig, link and second alignment jig constitute "Contraband" shape structure, every but first alignment jig and the relative lateral wall of second alignment jig all are equipped with horizontal displacement's spacing telescopic link, and are two sets of the vertical clamp flitch that is used for carrying out the centre gripping to the pipeline lateral wall that is equipped with of the relative one end of spacing telescopic link.

The pipeline conveying assembly is arranged in each direction parallel to the first adjusting frames and located at one end of each first adjusting frame, a material pushing telescopic rod is horizontally arranged in the pipeline conveying assembly, and a material pushing rod capable of being embedded with the end portion of the pipeline is arranged on an output shaft of the material pushing telescopic rod.

The pipeline processing assembly is arranged on the other side of the first adjusting frame, which is different from the pipeline conveying assembly, and is in the same straight line with the first adjusting frame and the pipeline conveying assembly; the pipeline machining assembly comprises a third telescopic rod and a synchronous push rod, the third telescopic rod is horizontally arranged, the synchronous push rod is arranged on an output shaft of the third telescopic rod and can move towards the pipeline, a rotatable expanding disc is sleeved on one side, facing the pipeline, of the synchronous push rod, and a plurality of extensible expanding blocks are evenly embedded in the expanding disc along the circumferential direction of the expanding disc.

As a preferable technical scheme of the pipeline expanding device, the side wall of the first adjusting frame, which is opposite to the side wall of the second adjusting frame, is provided with a groove, a rotatable adjusting screw rod is embedded in the groove, a transmission chain is vertically arranged in the connecting frame, two end sleeves of the transmission chain are arranged on the two adjusting screw rods to drive the two adjusting screw rods to synchronously rotate, the thread directions of the two adjusting screw rods are opposite, two groups of limiting telescopic rods are respectively sleeved on the two adjusting screw rods in a threaded manner, and two groups of limiting telescopic rods and a clamping plate in each Contraband-shaped structure can be in central symmetry with a central axis of a pipeline.

As a preferred technical scheme of the pipeline expanding device, the pipeline conveying assembly comprises a first base plate and a first limiting plate, the first base plate is fixedly arranged at one end of the first adjusting frame, the first limiting plate is vertically arranged on the upper surface of the first base plate, the material pushing telescopic rod is fixedly arranged on the side wall of the first limiting plate, the material pushing rod is arranged on an output shaft of the material pushing telescopic rod, and the material pushing rod is a circular truncated cone structure member which contracts towards the pipeline.

According to the preferable technical scheme of the pipeline expanding device, the pipeline machining assembly comprises a second base plate and a second limiting plate, the second base plate is fixedly arranged at one end, different from the first base plate, of the first adjusting frame, the second limiting plate is vertically arranged on the upper surface of the second base plate, the third telescopic rod is fixedly arranged on the side wall, facing the pipeline, of the second limiting plate, the synchronous push rod is fixedly provided with a motor, one end of the expanding disc is sleeved with a gear disc, and a gear on an output shaft of the motor is in meshing transmission with the gear disc.

As a preferable technical scheme of the pipeline expanding device, the pipeline feeding and discharging assembly comprises guide plates and scissor type lifting frames, the scissor type lifting frames are arranged among the first adjusting frames, inclined supporting frames are arranged at the top ends of the scissor type lifting frames, the guide plates are arranged at the top ends of the supporting frames, and one ends of the guide plates, different from the connecting frames, extend downwards and are paved on the ground.

According to the preferable technical scheme of the pipeline expanding device, a height adjusting telescopic rod is vertically arranged in the middle of the upper surface of each first adjusting frame, a lifting plate is horizontally arranged on an output shaft of each height adjusting telescopic rod, two limiting seats are symmetrically arranged on the upper surface of each lifting plate along the axial direction of the corresponding first adjusting frame, and the upper surfaces, close to the two limiting seats, of the two limiting seats are downwards contracted to form a sunken groove.

The upper surface of deflector runs through and has seted up and move back the groove, altitude mixture control telescopic link and spacing seat can pass from moving back the groove.

As a preferred technical scheme of the pipeline expanding device, the bottom end of each expanding block is positioned in the expanding disc and is embedded with a pushing hydraulic rod, and the extending end of the pushing hydraulic rod is connected with the expanding block and can push the expanding block to move.

In a preferred embodiment of the pipe expanding device according to the present invention, a T-shaped stopper strip away from the axis of the expanding disk is extended from one side surface of the expanding disk, which is attached to the expanding block, and an anti-slip chute fitted with the T-shaped stopper strip is formed on one side surface of the expanding block, which faces the expanding disk.

Compared with the prior art, the invention has the following beneficial effects.

1. The heating ring is additionally arranged in the expanding device and can be pushed and adjusted through the auxiliary telescopic rod, the connecting ring and the extension connecting rod, so that the heating ring is displaced outside the pipeline, eddy current is generated in the electrifying process of the heating ring, different areas outside the pipeline can be conveniently heated, and the expanding device can conveniently expand the pipeline.

2. The device is provided with an expanding disc and an expanding block, the third telescopic rod can push the expanding disc and the expanding block to generate displacement when in operation, so that the expanding disc and the expanding block reach the inner side of a to-be-processed area of the pipeline, the expanding block is ejected out of the inner side of the expanding disc through a material pushing hydraulic rod and pressurizes the inner wall of the pipeline, the expanding disc is driven to rotate when rotating, the pipeline is uniformly expanded, and the radian of the pipeline is uniform.

3. The device horizontally pushes the pipeline through the material pushing telescopic rod and the material pushing rod, and also can push the pipeline through the third telescopic rod and the expanding block, so that a worker can conveniently adjust the position of the pipeline according to the requirement on the site, and the pipeline can be conveniently expanded.

4. Be provided with two sets of spacing telescopic links and double-layered flitch in this device, and two sets of spacing telescopic links are through adjusting lead screw and drive chain adjusting position, and the height of flitch is pressed from both sides in the adjustment of spacing telescopic link during operation, and it is spacing to carry out the centre gripping to the pipeline through two sets of double-layered flitchs boards, promotes the stability of pipeline man-hour.

5. The device is also additionally provided with a height adjusting telescopic rod and a limiting seat, the pipeline is lifted through the limiting seat, the total height of the pipeline can be adjusted through the height adjusting telescopic rod, the axis of the pipeline is consistent with the axis of the synchronous push rod, and the device can be used for expanding and processing pipelines with different specifications.

6. The shearing type lifting frame, the supporting frame and the guide plate are additionally arranged in the device, the height of the supporting frame can be adjusted through the shearing type lifting frame, and then the inclination angle of the guide plate can be adjusted, so that the pipeline can be conveniently fed and discharged, and workers can conveniently transfer the pipeline.

Drawings

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the structure of FIG. 1 from another view angle according to the present invention.

Fig. 3 is a schematic structural view of the pipe end expanding assembly of the present invention.

FIG. 4 is a schematic view of the present invention taken along line A-A of FIG. 2.

FIG. 5 is a schematic view of the present invention taken along line B-B of FIG. 2.

Fig. 6 is a schematic sectional view of the pipe clamping frame according to the present invention.

Fig. 7 is a schematic diagram of an expanding disk drive structure according to the present invention.

In the figure: 1. a first substrate; 2. a first limit plate; 3. pushing a telescopic rod; 4. a pusher bar; 5. a first adjusting bracket; 6. a connecting frame; 7. a second adjusting bracket; 8. limiting the telescopic rod; 9. a material clamping plate; 10. a guide plate; 11. a second substrate; 12. a second limiting plate; 13. an auxiliary telescopic rod; 14. a connecting ring; 15. an extension link; 16. heating a ring; 17. a third telescopic rod; 18. synchronously pushing the rod; 19. expanding the diameter disc; 20. expanding the diameter block; 21. a height adjusting telescopic rod; 22. a limiting seat; 23. a scissor lift frame; 24. a support frame; 25. adjusting the lead screw; 26. a drive chain; 27. a material pushing hydraulic rod; 28. t type spacing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 7, the pipe expanding device disclosed by the present invention comprises a pipe limiting assembly, a pipe feeding and discharging assembly, a pipe conveying assembly and a pipe processing assembly.

The pipeline limiting assembly comprises a plurality of first adjusting frames 5 which are arranged on the ground in parallel, three first adjusting frames 5 are arranged in the embodiment, but the technology is not limited to the number of the first adjusting frames 5 in practical implementation, workers can adjust different numbers according to self requirements so as to process pipelines with different lengths, each first adjusting frame 5 is fixedly connected through a connecting beam frame, one end of each first adjusting frame 5 is vertically provided with a connecting frame 6, the connecting frame 6 in the implementation is a hollow prism body member which is vertically arranged so as to conveniently arrange a transmission chain 26 on the inner side of the connecting frame 6, a second adjusting frame 7 which is parallel to the first adjusting frame 5 is horizontally and fixedly arranged at the top end of each connecting frame 6, the first adjusting frames 5, the connecting frames 6 and the second adjusting frames 7 form an Contraband-shaped structure, and the side walls, opposite to each first adjusting frame 5 and each second adjusting frame 7, are provided with horizontally-displaceable limiting telescopic rods 8, the vertical one end that is used for carrying out the centre gripping spacing clamp plate 9 to the pipeline lateral wall that is equipped with of 8 relative one ends of two sets of spacing telescopic links, and each telescopic link that adopts in this embodiment can use electric telescopic handle, also can use hydraulic telescoping rod, only need make self length extension when using can.

The pipeline conveying assembly is arranged in the direction parallel to each first adjusting frame 5 and located at one end of each first adjusting frame 5, a material pushing telescopic rod 3 is horizontally arranged in the pipeline conveying assembly, a material pushing rod 4 capable of being embedded with the end portion of a pipeline is arranged on an output shaft of the material pushing telescopic rod 3, the material pushing rod 4 is a circular truncated cone component, one end of the circular truncated cone component contracts towards the pipeline, the pipeline can be clamped from the inside of the pipeline in the displacement process of the material pushing rod 4, and the pipeline is effectively prevented from rotating.

The pipeline processing assembly is arranged on the other side, different from the pipeline conveying assembly, of the first adjusting frame 5 and is in the same line with the first adjusting frame 5 and the pipeline conveying assembly.

The pipeline processing assembly comprises a third telescopic rod 17 arranged horizontally and a synchronous push rod 18 arranged on an output shaft of the third telescopic rod 17 and capable of moving towards the pipeline, wherein a rotatable expanding disc 19 is sleeved on one side, facing the pipeline, of the synchronous push rod 18, the expanding disc 19 is a cylindrical member, a plurality of expanding blocks 20 capable of extending are uniformly embedded on the expanding disc 19 along the circumferential direction of the expanding disc, the number of the expanding blocks 20 disclosed in the embodiment is four, the expanding blocks 20 can be of an arc-shaped sheet structure, in the embodiment, for better understanding, the synchronous push rod 18 is a cylindrical member, but the synchronous push rod 18 is not limited to only a cylindrical member, and a prismatic member can also be used.

Specifically, the recess has been seted up with the relative lateral wall of second alignment jig 7 to first alignment jig 5, the gomphosis is equipped with rotatable regulation lead screw 25 in the recess, the vertical drive chain 26 that is equipped with in link 6, two pot heads of drive chain 26 set up two regulation lead screws 25 of drive on two regulation lead screws 25 synchronous rotations, two screw thread opposite directions of adjusting lead screw 25, two sets of spacing telescopic link 8 are threaded sleeve respectively and are established on two regulation lead screws 25, two sets of spacing telescopic link 8 and the clamp plate 9 in every "Contraband" shape structure can be with pipeline center pin central symmetry.

In this embodiment, the motor can be arranged at one end of the first adjusting bracket 5, the motor drives the output shaft of the motor to rotate when being powered on, and then drives the adjusting screw 25 to rotate, the limiting telescopic rod 8 on the first adjusting bracket 5 is arranged on one side close to the connecting bracket 6, the limiting telescopic rod 8 on the second adjusting bracket 7 is arranged on one side far away from the connecting bracket 6, and the limiting telescopic rod 8 and the material clamping plate 9 are arranged in a manner, so that the pipeline feeding and discharging can be effectively facilitated.

Specifically, the pipeline conveying assembly comprises a first base plate 1 and a first limiting plate 2, the first base plate 1 is fixedly arranged at one end of a first adjusting frame 5, the first limiting plate 2 is vertically arranged on the upper surface of the first base plate 1, a material pushing telescopic rod 3 is fixed on the side wall of the first limiting plate 2, a material pushing rod 4 is arranged on an output shaft of the material pushing telescopic rod 3, and the material pushing rod 4 is a circular truncated cone structure member which contracts towards the pipeline.

Specifically, the pipeline processing assembly comprises a second substrate 11 and a second limiting plate 12, the second substrate 11 is fixedly arranged at one end of the first adjusting frame 5 different from the first substrate 1, the second limiting plate 12 is vertically arranged on the upper surface of the second substrate 11, a third telescopic rod 17 is fixed on the side wall of the second limiting plate 12 facing the pipeline, a motor is fixedly arranged on the synchronous push rod 18, a gear disc is sleeved at one end of an expanding disc 19, a gear on an output shaft of the motor is in meshing transmission with the gear disc, a speed reducer can be further arranged on one side of the motor in the embodiment, the torque of the motor is further increased, the expanding disc 19 is driven to rotate by the motor, the expanding block 20 is further driven to rotate, and the inner wall of the pipeline is extruded by the rotating expanding block 20, so that the pipeline is expanded.

Specifically, the pipeline processing subassembly includes heating collar 16, second limiting plate 12 is different from the fixed auxiliary telescopic rod 13 that is equipped with of lateral wall of third telescopic link 17, the fixed coupling ring 14 that is equipped with on the 13 output shafts of auxiliary telescopic rod, the outer fringe department of coupling ring 14 is equipped with a plurality of extension connecting rods 15, the lateral wall that second limiting plate 12 was run through to the one end that extension connecting rod 15 is different from coupling ring 14, heating collar 16 is fixed to be established in the one end that extends coupling ring 15 and is different from coupling ring 14, auxiliary telescopic rod 13 moves the synchronous displacement of coupling ring 14 in-process among the this embodiment, and then drive and extend the 15 displacements of coupling ring, make heating collar 16 at the displacement of pipeline tip.

Specifically, the pipeline loading and unloading assembly comprises a guide plate 10 and scissor type lifting frames 23, the scissor type lifting frames 23 are arranged among the first adjusting frames 5, inclined supporting frames 24 are arranged at the top ends of the scissor type lifting frames 23, the guide plate 10 is arranged at the top ends of the supporting frames 24, and one end, different from the connecting frame 6, of the guide plate 10 extends downwards and is laid on the ground.

In the embodiment, when the scissor type lifting frame 23 is compressed, the extending directions of the two ends of the scissor type lifting frame are consistent with the setting direction of the first adjusting frame 5, and the supporting frame 24 can further lift the guide plate 10, so that the pipeline can be conveniently loaded and unloaded.

Specifically, the vertical altitude mixture control telescopic link 21 that is provided with in the middle part of the upper surface of every first alignment jig 5, the output shaft of altitude mixture control telescopic link 21 is improved level and is equipped with the board of lifting, and the upper surface that is located the board of lifting is equipped with two spacing seats 22 along the axial symmetry of first alignment jig 5, and the upper surface that two spacing seats 22 are close to mutually contracts downwards and has seted up the heavy groove down.

The height of the pipeline can be further adjusted through the height adjusting telescopic rod 21 so that the pipeline can be processed by the expanding device, the lifting plate and the two limiting seats 22 form a concave structure so that the pipeline can be clamped right above the concave structure, and the stability of the pipeline during processing is further improved.

The upper surface of deflector 10 runs through and has seted up and move back the groove, and altitude mixture control telescopic link 21 and spacing seat 22 can pass from moving back the groove, move back the groove in this embodiment and avoid, and altitude mixture control telescopic link 21 and spacing seat 22 cause the interference with deflector 10 at high lifting in-process.

Specifically, the pushing hydraulic rods 27 are embedded in the expanding discs 19 at the bottom ends of the expanding blocks 20, the extending ends of the pushing hydraulic rods 27 are connected with the expanding blocks 20 and can push the expanding blocks 20 to move, and in this embodiment, the pushing hydraulic rods 27 can effectively push the expanding blocks 20 out when in operation, so that the expanding blocks 20 are pushed out of the expanding discs 19.

Specifically, a T-shaped stop strip 28 which is far away from the axis of the expanding disc 19 is extended from one side surface of the expanding disc 19, which is attached to the expanding block 20, and an anti-falling sliding groove which is embedded with the T-shaped stop strip 28 is formed on one side surface of the expanding block 20, which is far away from the expanding disc 19, wherein when the T-shaped stop strip 28 is matched with the anti-falling sliding groove, the expanding block 20 can be kept stable on the expanding disc 19 during the processing of the pipeline.

Referring to fig. 7, in the technical scheme, the pushing hydraulic rod 27 is connected through an externally connected infusion tube, a slip ring is additionally arranged on one side of the expanding disc 19, the slip ring is fixed with the synchronous pushing rod 18 and is attached to the expanding disc 19, annular grooves are formed in the side surfaces, attached to the slip ring, of the expanding disc 19, an infusion tube matched with the annular grooves and the pushing hydraulic rod 27 is arranged in the expanding disc 19, a through groove communicated with an external tube is formed in the slip ring, one end of the through groove is connected with an infusion tube, the infusion tube is connected with external liquid conveying equipment, the liquid pressure in the pushing hydraulic rod 27 is adjusted, and the pushing amount of the expanding block 20 in the expanding disc 19 is adjusted.

The working principle and the using process of the invention are as follows: when the diameter expanding device is used, a worker can push a pipeline to be processed to the guide plate 10 and push the pipeline to the limiting seat 22 in a rolling manner along the slope direction of the guide plate 10, the height adjusting telescopic rod 21 can extend in the power-on process and lift the height of the limiting seat 22, the pipeline is lifted through the limiting seat 22 and is lifted, and the axis of the pipeline and the axis of the synchronous push rod 18 can be kept on the same straight line.

The motor of first alignment jig 5 tip drives the rotation of adjusting screw 25 in the first alignment jig 5 during operation, it accomplishes the transmission through drive chain 26 to adjust screw 25 during the rotation, make adjusting screw 25 in the second alignment jig 7 and adjusting screw 25 in the first alignment jig 5 rotate with the same angular velocity but opposite direction of rotation, and then make the synchronous relative action of doing of spacing telescopic link 8 that sets up on first alignment jig 5 and the

second alignment jig

7, 8 operation in-process of spacing telescopic link make the flexible end extension of spacing telescopic link 8 self, and then make two clamp flitchs 9 reach pipeline diameter department and be in same height, it is spacing to carry out the centre gripping to the pipeline through two vertical settings clamp flitchs 9, it rotates when the diameter enlargement after to avoid the pipeline.

In the implementation process of the technical scheme, the material clamping plate 9 is an arc-shaped sheet member which is vertically arranged, can be attached to the side wall of the pipeline and has larger static friction force, so that the static friction force of the contact part area of the material clamping plate 9 and the pipeline in the vertical direction is far greater than that in the horizontal direction, and the pipeline can be prevented from rotating during diameter expanding processing in the horizontal displacement process of the pipeline.

The telescopic end of the pushing telescopic rod 3 extends in the operation process, the pushing rod 4 is pushed to move in the horizontal direction, the circular truncated cone structure of the pushing rod 4 can be embedded with the pipeline from the inner side of the pipeline, the pipeline can move in the horizontal direction in the process of continuing to move the pushing rod 4, and the pipeline moves towards one side of the second limiting plate 12.

When this technical scheme implementation in-process ejector pin 4 contacts with the pipeline lateral wall, can effectually provide static friction, avoid the pipeline to rotate in the course of working, promote the stability of pipeline man-hour.

The telescopic end can be extended or shortened in the power-on operation process of the auxiliary telescopic rod 13, when the telescopic end of the auxiliary telescopic rod 13 is contracted, the connecting ring 14 can be driven to displace together, so that the extending connecting rod 15 can displace synchronously, the heating ring 16 can be driven to displace synchronously, and the heating ring 16 can reach the outer side of a to-be-expanded processing area of the pipeline.

The heating ring 16 can generate vortex in the electrifying process to heat the pipeline, so that the processed area of the pipeline is more convenient to expand.

The third telescopic rod 17 drives the self telescopic rod to extend and push the synchronous push rod 18 to synchronously move in the operation process, the expanding disc 19 and the expanding block 20 are pushed into the pipeline and reach a region to be processed, the motor on the synchronous push rod 18 drives the output shaft of the synchronous push rod to rotate when driving, further, the gear on the output shaft is driven to rotate, the gear disc on the expanding disc 19 is meshed with the gear and transmits, the expanding disc 19 and the expanding block 20 rotate, the pushing hydraulic rod 27 at the bottom end of the expanding block 20 pushes the expanding block 20 out when operating, the expanding block 20 is contacted with the inner wall of the pipeline, and at the moment, the expanding disc 19 drives the expanding block 20 to rotate, the expanding block 20 rotates on the inner wall of the pipeline, and the expanding block 20 expands the diameter of the pipeline when rotating.

After the previous to-be-processed area is subjected to expanding operation, the pushing hydraulic rod 27 drives the expanding block 20 to contract, the expanding block 20 is separated from the inner wall of the pipeline, at the moment, the pushing telescopic rod 3 pushes the pushing rod 4 to push the pipeline to displace, so that the next to-be-expanded area in the pipeline reaches the outer side of the expanding block 20, and the expanding processing is conveniently carried out on the area when the rotating expanding block 20 is pushed out.

According to the field requirement, the worker can also adjust the positions of the heating ring 16 and the expanding disk 19 without adjusting the position of the pipeline, so that the heating ring 16 and the expanding disk 19 reach the pipeline area to be processed, and the area to be processed is expanded through the pushed-out expanding block 20.

After the pipe tip hole enlargement is accomplished, the staff can make hole enlargement piece 20 continue to withstand the pipeline inner wall, rethread third telescopic link 17 stretches out, make hole enlargement piece 20 promote the pipeline and shift on spacing seat 22, make the pipeline pushed directly over deflector 10, make the motor of 5 tip of first alignment jig rotate this moment again, make two sets of regulation lead screws 25 rotate and drive two sets of spacing telescopic links 8 and do the motion of keeping away from each other, later spacing telescopic link 8 operation and shrink, make two sets of splint 9 displacement towards the direction of carrying on the back mutually, so that the pipeline carries out follow-up release.

When the height of the material clamping plate 9 is higher than that of the pipeline and the pipeline is not interfered when the pipeline is released, the material pushing telescopic rods 3 and the third telescopic rods 17 contract to enable the material pushing rods 4, the expanding discs 19 and the expanding blocks 20 to be drawn out from the two ends of the pipeline.

And then the scissor type lifting frame 23 runs and lifts the height of the scissor type lifting frame, so that the pipeline is separated from the limiting seat 22 and jacked up, and when the pipeline is separated from the limiting seat 22, the pipeline can roll down along the slope direction of the guide plate 10 and is further separated from the diameter expanding device, and the pipeline blanking operation is completed.

When the staff processes the next pipeline to be processed, the pipeline only needs to roll right above the limiting seat 22 along the slope direction of the guide plate 10 when the scissor type lifting frame 23 is lifted, and the lifting height of the scissor type lifting frame 23 is slightly reduced, so that the height of the upper end of the guide plate 10 is lower than that of the limiting seat 22, the pipeline can be lifted through the limiting seat 22, and the pipeline can be conveniently subjected to height adjustment through the subsequent jacking of the height adjusting telescopic rod 21.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A pipeline expanding device is characterized by comprising a pipeline limiting assembly, a pipeline feeding and discharging assembly, a pipeline conveying assembly and a pipeline machining assembly;

the pipeline limiting assembly comprises a plurality of first adjusting frames (5) which are arranged on the ground in parallel, each first adjusting frame (5) is fixedly connected through a connecting beam frame, one end of each first adjusting frame (5) is vertically provided with a connecting frame (6), the top end of each connecting frame (6) is horizontally and fixedly provided with a second adjusting frame (7) which is parallel to the first adjusting frames (5), the connecting frames (6) and the second adjusting frames (7) form an Contraband-shaped structure, the side walls, opposite to the first adjusting frames (5) and the second adjusting frames (7), of each first adjusting frame (5) are respectively provided with a limiting telescopic rod (8) capable of horizontally moving, and one end, opposite to the two groups of limiting telescopic rods (8), of a clamping plate (9) used for clamping and limiting the side walls of the pipeline is vertically arranged at one end, opposite to the two groups of limiting telescopic rods (8);

the pipeline conveying assembly is arranged in the direction parallel to the first adjusting frames (5) and is positioned at one end of each first adjusting frame (5), a material pushing telescopic rod (3) is horizontally arranged in the pipeline conveying assembly, and a material pushing rod (4) capable of being embedded with the end part of the pipeline is arranged on an output shaft of the material pushing telescopic rod (3);

the pipeline processing assembly is arranged on the other side of the first adjusting frame (5) different from the pipeline conveying assembly and is in the same line with the first adjusting frame (5) and the pipeline conveying assembly; the pipeline machining assembly comprises a third telescopic rod (17) which is horizontally arranged and a synchronous push rod (18) which is arranged on an output shaft of the third telescopic rod (17) and can move towards the pipeline, wherein a rotatable expanding disc (19) is sleeved on one side, facing the pipeline, of the synchronous push rod (18), and a plurality of extensible expanding blocks (20) are uniformly embedded on the expanding disc (19) along the circumferential direction of the expanding disc.

2. The pipe expanding device according to claim 1, wherein: the lateral wall that first alignment jig (5) and second alignment jig (7) are relative is seted up flutedly, and the gomphosis is equipped with rotatable regulation lead screw (25) in the recess, vertically in link (6) be equipped with drive chain (26), the both ends cover of drive chain (26) sets up and drives two regulation lead screw (25) synchronous rotations on two regulation lead screw (25), two the screw thread opposite direction of adjusting lead screw (25), two sets of spacing telescopic link (8) are threaded sleeve respectively and are established on two regulation lead screw (25), and every is two sets of in "Contraband" shape structure spacing telescopic link (8) can be with pipeline center pin centrosymmetric with pressing from both sides flitch (9).

3. The pipe expanding device according to claim 1, wherein: pipeline conveying assembly includes first base plate (1) and first limiting plate (2), the fixed one end that sets up in first alignment jig (5) in first base plate (1), the vertical setting of first limiting plate (2) is at first base plate (1) upper surface, push away material telescopic link (3) and fix the lateral wall at first limiting plate (2), push away material stick (4) set up on the output shaft that pushes away material telescopic link (3), just push away material stick (4) are towards the round platform structural member of pipeline shrink.

4. The pipe expanding device according to claim 1, wherein: the pipeline machining assembly comprises a second base plate (11) and a second limiting plate (12), the second base plate (11) is fixedly arranged at one end, different from the first base plate (1), of a first adjusting frame (5), the second limiting plate (12) is vertically arranged on the upper surface of the second base plate (11), a third telescopic rod (17) is fixed on the side wall, facing the pipeline, of the second limiting plate (12), a motor is fixedly arranged on a synchronous push rod (18), a gear disc is sleeved at one end of an expanding disc (19), and a gear on a motor output shaft is in meshing transmission with the gear disc.

5. The pipe expanding device according to claim 4, wherein: the pipe-processing subassembly includes heating circle (16), second limiting plate (12) is different from the fixed auxiliary telescopic rod (13) that is equipped with of lateral wall of third telescopic link (17), the fixed clamping ring (14) that is equipped with on auxiliary telescopic rod (13) output shaft, the outer fringe department of clamping ring (14) is equipped with a plurality of extension connecting rods (15), the lateral wall of second limiting plate (12) is run through to the one end that extends connecting rod (15) is different from clamping ring (14), heating circle (16) are fixed to be established and are extended connecting rod (15) one end different from clamping ring (14).

6. The pipe expanding device according to claim 1, wherein: the pipeline feeding and discharging assembly comprises a guide plate (10) and a scissor type lifting frame (23), the scissor type lifting frame (23) is arranged between the first adjusting frames (5), the top end of the scissor type lifting frame (23) is provided with an inclined supporting frame (24), the guide plate (10) is arranged at the top end of the supporting frame (24), and one end of the guide plate (10) different from the connecting frame (6) extends downwards and is laid on the ground.

7. The pipe expanding device according to claim 6, wherein: a height adjusting telescopic rod (21) is vertically arranged in the middle of the upper surface of each first adjusting frame (5), a lifting plate is horizontally arranged on an output shaft of each height adjusting telescopic rod (21), two limiting seats (22) are symmetrically arranged on the upper surface of the lifting plate along the axial direction of the first adjusting frame (5), and the upper surfaces, close to the two limiting seats (22), of the two limiting seats are contracted downwards to form a sunken groove;

the upper surface of deflector (10) runs through and has seted up and move back the groove, altitude mixture control telescopic link (21) and spacing seat (22) can pass from moving back the groove.

8. The pipe expanding device according to claim 1, wherein: the bottom end of each expanding block (20) is positioned in the expanding disc (19) and is embedded with a pushing hydraulic rod (27), and the extending end of the pushing hydraulic rod (27) is connected with the expanding block (20) and can push the expanding block (20) to move.

9. The pipe expanding device according to claim 1, wherein: the diameter expanding disk (19) is attached to one side surface of the diameter expanding block (20), a T-shaped limiting strip (28) far away from the axis of the diameter expanding disk (19) is arranged in an extending mode, and an anti-falling sliding groove embedded with the T-shaped limiting strip (28) is formed in one side surface of the diameter expanding block (20) facing the diameter expanding disk (19).