CN215704103U - Plastic-lined pipe inner wall steel bushing tensioning device - Google Patents
Plastic-lined pipe inner wall steel bushing tensioning device Download PDFInfo
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- CN215704103U CN215704103U CN202121513388.7U CN202121513388U CN215704103U CN 215704103 U CN215704103 U CN 215704103U CN 202121513388 U CN202121513388 U CN 202121513388U CN 215704103 U CN215704103 U CN 215704103U
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Abstract
The utility model discloses a tension device for a steel sleeve on the inner wall of a plastic-lined pipe, which comprises a rack, wherein a guide rail and a pushing cylinder seat are arranged on the rack, a sliding frame is arranged on a sliding block of the guide rail, a rear supporting seat and a front supporting seat are arranged on the sliding frame, a cylinder is arranged on the pushing cylinder seat, the telescopic end of the cylinder is connected with the front supporting seat, a pull rod is inserted on the rear supporting seat and the front supporting seat, a hollow jack and a pressure spring are sleeved on the pull rod, a hollow piston cylinder of the hollow jack is fixedly connected with the pull rod, one end of the pull rod penetrates through the front supporting seat in a sliding manner and is sequentially provided with a rubber expansion sleeve, a guide cone head and a limiting piece, the guide cone head and the rubber expansion sleeve are sleeved on the pull rod in a sliding manner, and the limiting piece is fixedly connected with the pull rod. The tensioning device can automatically tension the stainless steel bushing to the inner wall of the plastic lining pipe, so that the labor is reduced, the production cost of a product is reduced, the productivity is improved, the inner wall plastic lining can be effectively prevented from falling off, the product quality is improved, and the product consistency can be effectively improved by using automatic equipment.
Description
Technical Field
The utility model relates to the technical field of manufacturing and processing of welded pipes, in particular to a plastic-lined pipe inner wall steel bushing tensioning device.
Background
China is the largest iron and steel producing country in the world, and the steel pipe industry is also an important prop industry in our province. Along with the increasing requirements on the quality level of the lining plastic pipeline, on one hand, the thermal expansion coefficients of two layers of materials of the lining plastic pipeline are different, the plastic layer of the inner layer can drop, and the pipeline is easy to block; on the other hand, the pipeline is frequently used in the water supply field, the living standard of people is improved at present, the requirement on water quality is higher, and the lining layer of the stainless steel lined composite pipe is stainless steel, so that the water quality is not polluted, and the utilization rate is higher.
The existing manual assembly expansion sleeve device is low in efficiency, low in product percent of pass and not beneficial to batch production, and the labor cost is continuously increased. Therefore, there is a need to develop a plastic-lined pipe inner wall steel sleeve tensioning device which can greatly improve the working efficiency and the product yield.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and designs a plastic-lined pipe inner wall steel sleeve tensioning device.
The technical scheme of the utility model is that the tension device for the steel jacket on the inner wall of the plastic lining pipe comprises a frame, a guide rail and a pushing cylinder seat are arranged on the frame, a sliding frame is arranged on a sliding block of the guide rail, a rear supporting seat and a front supporting seat are arranged on the sliding frame, the rear supporting seat is positioned between the pushing cylinder seat and the front supporting seat, a cylinder is arranged on the pushing cylinder seat, the telescopic end of the cylinder is connected with the front supporting seat, a pull rod is inserted on the rear supporting seat and the front supporting seat, a hollow jack and a pressure spring are sleeved on the pull rod, a hollow piston cylinder of the hollow jack is fixedly connected with the pull rod, one end of the pressure spring is abutted against the hollow jack, the other end of the pressure spring is abutted against the rear supporting seat, one end of the pull rod penetrates through the front supporting seat and is sequentially provided with a rubber expansion sleeve, the guide cone head and the rubber expansion sleeve are slidably sleeved on the pull rod, and the limiting piece is fixedly connected with the pull rod.
Preferably, the limiting part is a nut, an external thread matched with the nut is arranged at one end, extending out of the front support seat, of the pull rod, and the pull rod is in threaded connection with the nut through the external thread.
Preferably, an opening through which the air cylinder can pass is formed in the bottom of the rear supporting seat, and the air cylinder passes through the opening and is connected with the front supporting seat.
Preferably, the guide rail is a square linear guide rail.
The utility model has the beneficial effects that: the stainless steel lining sleeve is tightly tensioned to the inner wall of the plastic lining pipe by using the automatic equipment, so that the labor can be reduced, the production cost of a product is reduced, the productivity is improved, the inner wall lining plastic can be effectively prevented from falling off, the product quality is improved, and the product consistency can be effectively improved by using the automatic equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a state diagram of the operation of the present invention;
in the figure, 1, a frame; 2. a guide rail; 3. pushing the cylinder block; 4. a sliding frame; 5. a rear support base; 6. a front support base; 7. a cylinder; 8. a pull rod; 9. a hollow jack; 10. a pressure spring; 11. rubber expansion sleeves; 12. a guiding conical head; 13. a limiting member; 14. and (4) opening.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-2: a tension device for a steel sleeve on the inner wall of a plastic-lined pipe comprises a rack 1, wherein a guide rail 2 and a pushing cylinder seat 3 are installed on the rack 1, a sliding frame 4 is installed on a sliding block of the guide rail 2, a rear supporting seat 5 and a front supporting seat 6 are installed on the sliding frame 4, the rear supporting seat 5 is located between the pushing cylinder seat 3 and the front supporting seat 6, a cylinder 7 is installed on the pushing cylinder seat 3, the telescopic end of the cylinder 7 is connected with the front supporting seat 6, a pull rod 8 is inserted on the rear supporting seat 5 and the front supporting seat 6, a hollow jack 9 and a pressure spring 10 are sleeved on the pull rod 8, a hollow piston cylinder of the hollow jack 9 is fixedly connected with the pull rod 8, the hollow piston cylinder of the hollow jack 9 is fixedly connected with the pull rod 8 through a flange, one end of the pressure spring 10 is abutted to the other end of the hollow jack 9 and the rear supporting seat 5, one end of the pull rod 8 slidably penetrates through the front supporting seat 6 and is sequentially provided with a rubber expansion sleeve 11, The guide cone head 12 and the limiting piece 13 are sleeved on the pull rod 8 in a sliding mode, the guide cone head 12 and the rubber expansion sleeve 11 are sleeved on the pull rod 8 in a sliding mode, and the limiting piece 13 is fixedly connected with the pull rod 8. The rubber expansion sleeve 11 is made of polyurethane material and is a rubber expansion sleeve 11.
The limiting part 13 is a nut, an external thread matched with the nut is arranged at one end of the pull rod 8 extending out of the front supporting seat 6, and the pull rod 8 is in threaded connection with the nut through the external thread.
The bottom of the rear supporting seat 5 is provided with an opening 14 for the air cylinder 7 to pass through, and the air cylinder 7 passes through the opening 14 and is connected with the front supporting seat 6.
The guide rail 2 is a square linear guide rail 2, the model is GGB35AA, the number of the sliding blocks on the guide rail 2 is two, and two ends of the bottom of the sliding frame 4 can be stably fixed.
The working principle of the utility model is as follows: during operation, as shown in fig. 2, two identical devices are arranged at two ends of a plastic-lined pipe, the plastic-lined pipe is aligned to a guide conical head 12, then the telescopic ends of cylinders 7 of two tensioning devices are controlled to extend out, and the cylinders 7 push a front supporting seat 6, a sliding frame 4 and a rear supporting seat 5 to move linearly under the guide action of a guide rail 2; after the guide conical head 12 and the rubber expansion sleeve 11 enter the plastic lining pipe, the hollow piston cylinder of the hollow jack 9 is controlled to extend out, the hollow jack 9 drives the pull rod 8 to move to be away from the plastic lining pipe, the pull rod 8 pulls the rubber expansion sleeve 11 and the guide conical head 12 to move through the limiting part 13, so that the rubber expansion sleeve 11 and the front support seat 6 are extruded, deformed and expanded, the stainless steel lining is tightly tensioned to the inner wall of the plastic lining pipe, the lining plastic of the inner wall is effectively prevented from falling off, and the stainless steel lining pipe is attractive and practical;
after the stainless steel bushing rises to the inner wall of the plastic lining pipe, the hollow jack 9 releases the pressure, under the action of the elastic restoring force of the pressure spring 10, the pull rod 8 moves towards the front supporting seat 6, the limiting part 13 no longer compresses the rubber expansion sleeve 11, and simultaneously under the action of the elastic restoring force of the rubber expansion sleeve 11, the rubber expansion sleeve 11 recovers the original state and does not expand, the control cylinder 7 contracts at the moment, the supporting seat 6 before the cylinder 7 pulls, the sliding frame 4 and the rear supporting seat 5 linearly reset, and the rubber expansion sleeve 11 and the guide conical head 12 are separated from the plastic lining pipe.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (4)
1. A tension device for a steel sleeve on the inner wall of a plastic-lined pipe comprises a rack (1) and is characterized in that a guide rail (2) and a pushing cylinder seat (3) are installed on the rack (1), a sliding frame (4) is installed on a sliding block of the guide rail (2), a rear supporting seat (5) and a front supporting seat (6) are installed on the sliding frame (4), the rear supporting seat (5) is located between the pushing cylinder seat (3) and the front supporting seat (6), a cylinder (7) is installed on the pushing cylinder seat (3), the telescopic end of the cylinder (7) is connected with the front supporting seat (6), a pull rod (8) is inserted on the rear supporting seat (5) and the front supporting seat (6), a hollow jack (9) and a pressure spring (10) are sleeved on the pull rod (8), the hollow piston cylinder of the hollow jack (9) is fixedly connected with the pull rod (8), one end of the pressure spring (10) is abutted to the other end of the hollow jack (9) and abutted to the rear supporting seat (5), one end of a pull rod (8) penetrates through the front supporting seat (6) in a sliding mode and is sequentially provided with a rubber expansion sleeve (11), a guide conical head (12) and a limiting piece (13), the guide conical head (12) and the rubber expansion sleeve (11) are sleeved on the pull rod (8) in a sliding mode, and the limiting piece (13) is fixedly connected with the pull rod (8).
2. The plastic-lined pipe inner wall steel bushing tensioning device as claimed in claim 1, wherein the limiting member (13) is a nut, an external thread adapted to the nut is provided at one end of the pull rod (8) extending out of the front support base (6), and the pull rod (8) is in threaded connection with the nut through the external thread.
3. The plastic-lined pipe inner wall steel bushing tensioning device as claimed in claim 1, wherein an opening (14) through which the air cylinder (7) can pass is formed in the bottom of the rear support base (5), and the air cylinder (7) passes through the opening (14) to be connected with the front support base (6).
4. The plastic-lined pipe inner wall steel bushing tensioning device as claimed in claim 1, wherein the guide rail (2) is a square linear guide rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121513388.7U CN215704103U (en) | 2021-07-06 | 2021-07-06 | Plastic-lined pipe inner wall steel bushing tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121513388.7U CN215704103U (en) | 2021-07-06 | 2021-07-06 | Plastic-lined pipe inner wall steel bushing tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215704103U true CN215704103U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121513388.7U Active CN215704103U (en) | 2021-07-06 | 2021-07-06 | Plastic-lined pipe inner wall steel bushing tensioning device |
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| CN (1) | CN215704103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195103A (en) * | 2022-09-15 | 2022-10-18 | 河北天创管业有限公司 | A nested combination frock for lining pipe production |
-
2021
- 2021-07-06 CN CN202121513388.7U patent/CN215704103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195103A (en) * | 2022-09-15 | 2022-10-18 | 河北天创管业有限公司 | A nested combination frock for lining pipe production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 057150 east of Jianshe Road, equipment manufacturing area, Yongnian Industrial Park, Handan City, Hebei Province, north of yongyang Street Patentee after: Hebei Tianchuang New Material Technology Co.,Ltd. Address before: 057150 east of Jianshe Road, equipment manufacturing area, Yongnian Industrial Park, Handan City, Hebei Province, north of yongyang Street Patentee before: HEBEI TIANCHUANG PIPE INDUSTRY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |