CN216574984U - Circular tube repairing device - Google Patents
Circular tube repairing device Download PDFInfo
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- CN216574984U CN216574984U CN202123291133.3U CN202123291133U CN216574984U CN 216574984 U CN216574984 U CN 216574984U CN 202123291133 U CN202123291133 U CN 202123291133U CN 216574984 U CN216574984 U CN 216574984U
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- mounting disc
- expansion sleeve
- expands
- cover
- mandrel
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Abstract
The utility model discloses a pipe restorer, treat the pipe support frame of restoreing the pipe including base, being used for the bearing, still including expanding cover mechanism and coupling mechanism. The expansion sleeve mechanism comprises a mounting disc, an expansion sleeve and a mandrel which are coaxially arranged. The mounting disc fixed connection is on coupling mechanism, and the mounting disc center is equipped with the shaft hole. The cover expands and is the cavity tubbiness structure, and the cover that expands comprises the cover lamella that expands that a plurality of circumference set up, and the one end inboard that the mounting disc was kept away from to the cover lamella that expands is the circular conical surface, and the taper hole portion is constituteed jointly to the circular conical surface of a plurality of cover lamellas that expand, and taper hole portion diameter is crescent along the direction of keeping away from the mounting disc, and the cover lamella that expands all is connected with mounting disc sliding fit and for the radial slip of mounting disc. The dabber runs through the mounting disc and expands the cover, and the dabber lies in the one end in the mounting disc outside and is connected with the nut, and the other end is for the toper portion with taper hole portion matched with. The utility model discloses utilize the characteristic of the conical surface, the restoration dynamics is big, and the commonality is strong, has solved thin wall pipe atress and has produced the technical problem that is difficult to the restoration when warping the damage.
Description
Technical Field
The utility model belongs to the technical field of the pipe processing machinery technique and specifically relates to a pipe restorer.
Background
The thin-walled circular tube is a common section, and is often damaged in the transportation and processing process due to the characteristic that the wall of the thin-walled circular tube is thin.
In the case of damage to the thin-walled circular tube, the deformation caused by the collision stress is the most common, including the dent, the oval section, etc.
After the thin-wall pipeline is deformed, the thin-wall pipeline is extremely difficult to repair without a special tool. In particular, the location adjacent to the end face may require butt-joint with a valve or welding between pipes, and the damaged thin-walled pipe cannot be used without repair.
Disclosure of Invention
The utility model aims at providing a pipe restorer can solve the thin wall pipe atress and be difficult to prosthetic technical problem when producing the deformation damage.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The utility model provides a pipe restorer, includes the base, is used for the bearing to wait to restore the pipe support frame, still includes the cover mechanism that expands that corresponds the setting with the pipe support frame and is used for the fixed liftable coupling mechanism who expands cover mechanism.
The expansion sleeve mechanism comprises a mounting disc, an expansion sleeve and a mandrel which are coaxially arranged.
The mounting disc is fixedly connected to the connecting mechanism, and a shaft hole is formed in the center of the mounting disc.
The expansion sleeve is of a hollow barrel-shaped structure and is composed of a plurality of expansion sleeve petals arranged in the circumferential direction, the inner side of one end, far away from the mounting disc, of each expansion sleeve petal is a conical surface, conical surfaces of the expansion sleeve petals jointly form a conical hole portion, the diameter of the conical hole portion is gradually increased along the direction far away from the mounting disc, and the expansion sleeve petals are connected with the mounting disc in a sliding fit mode and slide in the radial direction relative to the mounting disc.
The dabber runs through the mounting disc and expands the cover, and the dabber lies in the one end in the mounting disc outside and is connected with the nut, and the other end is the toper portion with taper hole portion matched with.
Further, the side of mounting disc being equipped with the cover that expands is equipped with a plurality of gibs blocks along radial direction, and a plurality of gibs blocks are along circumference evenly distributed, the quantity of the cover lamella that expands is unanimous with the gib block, and the cover lamella that expands all is equipped with the guide way with gib block complex in the one end that is close to the mounting disc, expands the cover lamella and follows the guide way and be relative to the radial slip of mounting disc.
Further, the shaft hole is provided with a limiting block on the hole wall, the surface of the mandrel penetrating through the shaft hole part is provided with a limiting groove along the axial direction, and the limiting block and the limiting groove are matched to limit the mandrel to rotate in the circumferential direction relative to the mounting disc.
Furthermore, the circular tube support frame is located on one side, provided with the expansion sleeve, of the mounting disc, the circular tube support frame comprises a V-shaped block used for supporting a circular tube to be repaired, and the central line of the V-shaped block and the axis of the mounting disc are located in the same plane perpendicular to the upper surface of the base.
Furthermore, the circular tube support frame comprises two V-shaped blocks with coincident central lines, and the V-shaped block close to the expansion sleeve mechanism is also provided with a locking mechanism for fixing the circular tube to be repaired.
Furthermore, locking mechanism includes curved locking strip and locking bolt, and locking strip one end is rotated with V type piece and is connected, and the other end passes through locking bolt and can dismantle fixed connection with V type piece.
Further, the outer surface of the expansion sleeve is provided with a circumferential groove, and a circular elastic fastening ring is arranged in the groove and used for enabling the expansion sleeve petals to be attached to the mandrel.
Further, the base is provided with adjustable support legs.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the utility model utilizes the characteristic of the conical surface, controls the extension of the mandrel to realize the change of the diameter of the expansion sleeve by the matching of a plurality of expansion sleeve petals and the mandrel, supports the deformation part from the inner part of the thin-wall circular tube, and has uniform stress in all directions and good repairing effect;
2. the expansion sleeve has a large diameter variation range, can adapt to thin-wall circular tubes with various diameters, and has strong universality.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.
Fig. 4 is a schematic cross-sectional structure of fig. 2.
Fig. 5 is an enlarged schematic view of B in fig. 4.
Fig. 6 is a schematic view of the C-direction mounting plate and expansion sleeve lobes shown in fig. 5, with the expansion sleeve diameter at a minimum.
Fig. 7 is a schematic view of the C-direction mounting plate and expansion sleeve lobe of fig. 5, shown at a maximum expansion sleeve diameter.
Description of the drawings: 1. the adjustable support leg comprises a base, 11, an adjustable support leg, 2, a circular tube support frame, 21, a V-shaped block, 22, a locking strip, 23, a locking bolt, 3, an expansion sleeve mechanism, 31, a mounting disc, 311, a guide strip, 312, a limiting block, 32, an expansion sleeve, 321, an expansion sleeve clack, 322, a taper hole part, 323, a guide groove, 33, a mandrel, 331, a taper part, 332, a limiting groove, 34, a nut, 35, an elastic fastening ring, 36, a pressing disc and 4, a connecting mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will provide further detailed description of the features and performance of a circular tube repairing device of the present invention.
Referring to fig. 1 to 5, a round tube repairing device includes a base 1, a round tube supporting frame 2, an expanding sleeve mechanism 3, and a connecting mechanism 4.
The base 1 is used for bearing the whole circular tube repairing device, and four adjustable supporting legs 11 capable of adjusting the height are installed at the bottom of the base 1 and used for stably supporting the base 1 in a working area.
The expansion sleeve mechanism 3 is installed on the base 1 through the connecting mechanism 4, and the expansion sleeve mechanism 3 comprises an installation disc 31, an expansion sleeve 32, a mandrel 33, a nut 34, an elastic fastening ring 35 and a compression disc 36.
The mounting plate 31 is fixedly connected with the connecting mechanism 4, and the axis of the mounting plate 4 is parallel to the upper surface of the base 1.
A plurality of guide bars 311 are arranged on one side surface of the mounting disc 31 along the radial direction, and the plurality of guide bars 311 are uniformly distributed along the circumferential direction of the mounting disc 31. The center of the mounting plate 31 is further provided with a shaft hole, and a limiting block 312 is arranged on the wall of the shaft hole.
The expansion sleeve 32 is arranged on one side of the mounting disc 31, which is provided with the guide strip 311, and the axis of the expansion sleeve 32 is superposed with the axis of the mounting disc 31.
The expansion sleeve 32 is a hollow barrel-shaped structure and is composed of a plurality of identical expansion sleeve petals 321, and the number of the expansion sleeve petals 321 is consistent with that of the guide bars 311. The expansion sleeve petals 321 are provided with guide grooves 323 capable of being matched with the guide bars 311 at one end close to the mounting disc 31, each expansion sleeve petal 321 is matched with one guide bar 311, and the expansion sleeve petals 321 can slide along the guide grooves 323 in the radial direction relative to the mounting disc 31. The plurality of expansion sleeve petals 321 are pressed on the mounting disc 31 through the pressing disc 36 and are in sliding connection with the mounting disc 31 to jointly form the expansion sleeve 32 with the variable diameter.
The expansion sleeve petals 321 are provided with conical surfaces at the inner sides of the ends far away from the mounting disc 31, the conical surfaces of the expansion sleeve petals 321 jointly form a conical hole part 322, the conical hole part 322 is coaxial with the expansion sleeve 32, and the diameter of the conical hole part 322 gradually increases along the direction far away from the mounting disc 31.
The outer surface of the expansion sleeve 32 is also provided with a circle of annular elastic fastening ring 35 with a groove along the circumferential direction, the elastic fastening ring 35 is installed in the groove, and the expansion sleeve petals 321 can be folded towards the center under the elastic constraint of the elastic fastening ring 35.
The mandrel 33 is coaxially arranged with the expansion sleeve 32, the mandrel 33 is provided with a taper part 331 at one end, the taper of which is the same as that of the taper hole part 322 and can be matched with the taper hole part 322, and when the mandrel 33 moves along the axial direction, a plurality of expansion sleeve petals 321 forming the expansion sleeve 32 can slide along the guide strip 311 under the interaction of the taper part 331 and the taper hole part 322 so as to change the diameter.
The other end of the mandrel 33 penetrates through the shaft hole and penetrates out of the mounting disc 31, a limiting groove 332 is axially arranged on the surface of the position, matched with the shaft hole, of the mandrel 33, the limiting groove 332 can be matched with the limiting block 312, and the mandrel 33 is limited to axially move in the shaft hole and cannot rotate in the circumferential direction.
The spindle 33 has a screw thread at one end thereof extending out of the mounting plate 31, a nut 34 is mounted on the screw thread, and the spindle 33 can be pulled by tightening the nut 34 to press the tapered portion 331 against the tapered hole portion 322, so that the plurality of expanding sleeve petals 321 slide in a direction away from the center along the guide bar 311 against the elastic force of the elastic tightening ring 35, thereby increasing the diameter of the expanding sleeve 32.
The nut 34 is loosened, the mandrel 33 is pushed in the opposite direction to the pulling direction, and the plurality of expanding petals 321 can move toward the center by the elastic force of the elastic fastening ring 35, so that the taper hole portion 322 is brought into contact with the taper portion 331.
The connecting mechanism 4 is fixedly connected on the base 1 and can adjust the height of the expansion sleeve mechanism 3 in the direction vertical to the upper surface of the base 1.
The circular tube support frame 2 is fixedly connected to the base 1 and is located on one side of the mounting disc 31 where the expansion sleeve 32 is arranged. The circular tube support frame 2 comprises two V-shaped blocks 21 for supporting a circular tube to be repaired, and the central lines of the two V-shaped blocks 21 are superposed and are positioned in the same plane perpendicular to the upper surface of the base 1 with the axis of the mounting plate 31.
A locking mechanism is further arranged on a V-shaped block 21 which is closer to the expansion sleeve mechanism 3 in the circular tube support frame 2, and the locking mechanism comprises an arc-shaped locking strip 22 and a locking bolt 23.
During the specific use, will wait to restore the pipe frame on two V type blocks, the one end that needs carry out the restoration is towards expanding set mechanism 3.
The height of the expansion sleeve mechanism 3 is adjusted through the connecting mechanism 4 to be coincided with the axis of the round pipe to be repaired.
Loosening the nut 34, pushing the mandrel 33 to move, so that the diameter of the expansion sleeve 32 is reduced to the minimum, sleeving one end of the circular tube to be repaired on the expansion sleeve 32, and fixing the circular tube to be repaired on the circular tube support frame 2 by using the locking strip 22 and the locking bolt 23.
The nut 34 is screwed, the mandrel 33 is pulled, the tapered portion 331 presses the tapered hole portion 322 to enable the expansion sleeve valve 321 to slide along the guide strip 311, the diameter of the expansion sleeve 32 is increased, the circular tube is supported from the inside along the radial direction of the circular tube, and the damaged part of the circular tube is reshaped into a circle.
And loosening the nut 34, loosening the locking mechanism to rotate the circular tube, repeating the operation steps, and repairing the unrepaired part again to finish the operation.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (8)
1. The utility model provides a pipe restorer, includes base (1), is used for the bearing to wait to restore pipe support frame (2), its characterized in that: the expansion sleeve mechanism (3) is arranged corresponding to the round tube support frame (2) and the lifting connecting mechanism (4) is used for fixing the expansion sleeve mechanism (3);
the expansion sleeve mechanism (3) comprises a mounting disc (31), an expansion sleeve (32) and a mandrel (33) which are coaxially arranged,
the mounting disc (31) is fixedly connected on the connecting mechanism (4), the center of the mounting disc (31) is provided with a shaft hole,
the expansion sleeve (32) is of a hollow barrel-shaped structure, the expansion sleeve (32) is composed of a plurality of expansion sleeve petals (321) arranged circumferentially, the inner side of one end, away from the mounting disc (31), of each expansion sleeve petal (321) is a conical surface, the conical surfaces of the expansion sleeve petals (321) jointly form a conical hole part (322), the diameter of the conical hole part (322) is gradually increased along the direction away from the mounting disc (31), and the expansion sleeve petals (321) are connected with the mounting disc (31) in a sliding fit mode and slide in the radial direction of the mounting disc (31);
the mandrel (33) penetrates through the mounting disc (31) and the expansion sleeve (32), one end, located on the outer side of the mounting disc (31), of the mandrel (33) is connected with a nut (34), and the other end of the mandrel is a conical portion (331) matched with the conical hole portion (322).
2. The round tube prosthesis of claim 1, wherein: the mounting disc (31) is equipped with a plurality of guide strips (311) along radial direction at a side that is equipped with the cover (32) that expands, and a plurality of guide strips (311) are along circumference evenly distributed, the quantity of the cover lamella that expands (321) is unanimous with guide strip (311), and the one end that the cover lamella that expands (321) is close to mounting disc (31) all is equipped with guide way (323) with guide strip (311) complex, and the cover lamella that expands (321) is followed guide way (323) and is for mounting disc (31) radial sliding.
3. The round tube prosthesis of claim 1, wherein: the shaft hole is provided with a limiting block (312) on the hole wall, the surface of the shaft hole part is penetrated by the mandrel (33) and is provided with a limiting groove (332) along the axial direction, and the limiting block (312) is matched with the limiting groove (332) to limit the mandrel (33) to rotate circumferentially relative to the mounting disc (31).
4. The round tube prosthesis of claim 1, wherein: the round tube supporting frame (2) is located on one side, provided with the expansion sleeve (32), of the mounting disc (31), the round tube supporting frame (2) comprises a V-shaped block (21) used for supporting a round tube to be repaired, and the central line of the V-shaped block (21) and the axis of the mounting disc (31) are located in the plane of the upper surface of the same vertical base (1).
5. The round tube prosthesis of claim 4, wherein: the circular tube support frame (2) comprises two V-shaped blocks (21) with coincident central lines, and the V-shaped block (21) close to the expansion sleeve mechanism (3) is also provided with a locking mechanism for fixing the circular tube to be repaired.
6. The round tube prosthesis of claim 5, wherein: locking mechanism includes curved locking strip (22) and locking bolt (23), and locking strip (22) one end is rotated with V type piece (21) and is connected, and the other end passes through locking bolt (23) and can dismantle fixed connection with V type piece (21).
7. The round tube prosthesis of claim 1, wherein: the outer surface of the expansion sleeve (32) is provided with a circumferential groove, and a circular elastic fastening ring (35) is arranged in the groove and used for enabling the expansion sleeve flaps (321) to be attached to the mandrel (33).
8. The round tube prosthesis of claim 1, wherein: the base (1) is provided with adjustable support legs (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123291133.3U CN216574984U (en) | 2021-12-25 | 2021-12-25 | Circular tube repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123291133.3U CN216574984U (en) | 2021-12-25 | 2021-12-25 | Circular tube repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216574984U true CN216574984U (en) | 2022-05-24 |
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ID=81616608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123291133.3U Active CN216574984U (en) | 2021-12-25 | 2021-12-25 | Circular tube repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216574984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921599A (en) * | 2023-02-20 | 2023-04-07 | 山东高原油气装备有限公司 | Pit falling repairing machine for petroleum casing pipe |
-
2021
- 2021-12-25 CN CN202123291133.3U patent/CN216574984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921599A (en) * | 2023-02-20 | 2023-04-07 | 山东高原油气装备有限公司 | Pit falling repairing machine for petroleum casing pipe |
| CN115921599B (en) * | 2023-02-20 | 2023-07-21 | 山东高原油气装备有限公司 | A fall hole repairing machine for petroleum casing pipe |
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