CN210083958U - Pipeline steel pipe end protection device - Google Patents
Pipeline steel pipe end protection device Download PDFInfo
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- CN210083958U CN210083958U CN201920827041.6U CN201920827041U CN210083958U CN 210083958 U CN210083958 U CN 210083958U CN 201920827041 U CN201920827041 U CN 201920827041U CN 210083958 U CN210083958 U CN 210083958U
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Abstract
The utility model discloses a pipeline steel pipe tip protection device belongs to mechanical technical field. The disclosed pipeline steel pipe end protection device comprises a protection cap, an inner plug ring, a screwing screw, a pressure-bearing platform and the like, wherein the screwing screw is screwed in to push the pressure-bearing platform to move deeply, so that a pressing assembly in the inner plug ring is forced to move outwards along the radial direction, the inner wall of a pipeline steel pipe is extruded, the protection cap and the pipeline steel pipe are locked in a clamping manner, and the purpose of protecting the end is achieved. The device has the advantages of low manufacturing cost and convenient operation, and is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of machinery, a pipeline steel pipe tip protection device is related to.
Background
The pipeline transportation of oil or natural gas is the most economical and efficient transportation mode, but in the transportation process of pipeline steel pipes, due to mutual collision, the end parts are easy to deform or damage, so that normal butt welding cannot be performed between the two pipeline steel pipes, the difficulty of welding construction is increased, and the normal transportation pressure is influenced; the end protection device in the prior art is only provided with a simple protective cap, but the protective cap is easy to fall off in the transportation process, and the expected protection purpose cannot be achieved.
SUMMERY OF THE UTILITY MODEL
To one or more of the problems that exist among the prior art, the utility model provides a pipeline steel pipe tip protection device, include:
the protective cap (1) comprises a pipe ring (21) and a pipe body (22), wherein the pipe ring (21) and the pipe body (22) are integrally connected, a first through hole (101) is formed in the axis of the pipe ring (21), and a plurality of second through holes (102) are uniformly formed in the circumferential direction of the pipe ring (21);
an inner plug ring (2) arranged inside the protective cap (1), the inner plug ring (2) being provided with third through holes (202) corresponding to the plurality of second through holes (102) in the circumferential direction, the inner plug ring (2) being connected with the protective cap (1) through the second through holes (102) and the third through holes (202); one end of the inner plug ring (2) is provided with a screw hole (201) along the axial direction, the screw hole corresponds to the first through hole (101), the other end of the inner plug ring is provided with a pressure-bearing hole (203) along the axial direction, and the side surface of the inner plug ring (2) is uniformly provided with a plurality of fourth through holes (204) with axial lines arranged along the radial direction along the circumferential direction;
a tightening screw (3) disposed within the screw hole (201);
a pressure-bearing platform (5) disposed within the pressure-bearing aperture (203); and
a hold down assembly (60) disposed within the fourth through hole (204).
The pressing assembly (60) comprises: the hinge (6), a spring (7) sleeved on the hinge (6), and a first clamping block (8) and a second clamping block (9) which are respectively positioned at two ends of the hinge (6); the first fixture block (8) is close to the axis of the inner plug ring (2), and the second fixture block (9) is far away from the axis of the inner plug ring (2).
The hinge (6) comprises a hinge rod (601) and hinge heads (602) located at two ends of the hinge rod (601), the spring (7) is located between the first clamping block (8) and the second clamping block (9), and the spring (7), the first clamping block (8) and the second clamping block (9) are all sleeved on the hinge rod (601) through the hinge heads (602).
Two sections of coaxial through holes with different diameters are formed in the axial positions of the first fixture block (8) and the second fixture block (9), the first fixture block (8) is provided with a first section of through hole (81) and a second section of through hole (82), and the second fixture block (9) is provided with a third section of through hole (91) and a fourth section of through hole (92); the diameter of the first section of through hole (81) is larger than that of the second section of through hole (82), the diameter of the third section of through hole (91) is larger than that of the fourth section of through hole (92), the hinge rod (601) penetrates through the second section of through hole (82) and the fourth section of through hole (92) respectively, and hinge heads (602) at two ends of the hinge rod (601) are located in the first section of through hole (81) and the third section of through hole (91) respectively.
The fourth through hole (204) is composed of three sections of coaxial through holes with different diameters and comprises a fifth section of through hole (2041) close to the inner plug ring (2), a seventh section of through hole (2043) far away from the inner plug ring (2) and a sixth section of through hole (2042) between the fifth section of through hole and the seventh section of through hole; the diameter of the sixth section of through hole (2042) is smaller than the diameters of the fifth section of through hole (2041) and the seventh section of through hole (2043), the first fixture block (8) is located in the fifth section of through hole (2041), the second fixture block (9) is located in the seventh section of through hole (2043), and the spring (7) is located in the sixth section of through hole (2042).
The end face, close to the inner plug ring (2), of the first clamping block (8) is provided with an inclination angle, and the side face of the pressure-bearing platform (5) is provided with an inclination angle matched with the inclination end face of the first clamping block (8).
The screwing screw (3) is integrally connected by three sections of coaxial cylinders with different diameters and comprises a first cylinder (31) and a third cylinder (33) which are positioned at two ends and a second cylinder (32) which is positioned in the middle, wherein the diameter of the second cylinder (32) is larger than that of the first cylinder (31) and the third cylinder (33); the side surface of the second cylinder (32) is provided with threads, and the threads are matched with the screw holes (201) of the inner plug ring (2).
The number of the second through holes (102) and the third through holes (202) is 4-8.
The number of the fourth through holes (204) is 4-8, for example 6.
The protection device at the end part of the pipeline steel pipe provided based on the technical scheme adopts a unique clamping and locking device to realize the clamping and locking of the protection cap and the pipeline steel pipe, so as to achieve the purpose of protecting the end part of the pipeline steel pipe. Compared with the prior art, the utility model discloses following beneficial effect has:
1) the device of the utility model consists of a protective cap, an inner plug ring, a screwing screw, a bearing platform, six inner fixture blocks, six outer fixture blocks, six hinges, six springs, six screw rods and six nuts, the material is common and easy to obtain, the processing is convenient, therefore, the manufacturing cost of the device is relatively low;
2) the whole device is of a symmetrical structure, the pressure-bearing platform is pushed to move downwards by screwing in the screwing screw, the inner-end fixture block is forced to move outwards along the radial direction, the compressed spring extrudes the outer-end fixture block to move outwards along the radial direction, the inner wall of the pipeline steel pipe is extruded, and the clamping and locking of the protective cap and the pipeline steel pipe are realized, so that the protection effect of the device is relatively good;
3) the device can realize that the inner end fixture block and the outer end fixture block can perform telescopic movement in the through holes of the inner plug ring arranged along the radial direction by screwing in or out the screwing screws, realize the locking of the protective cap and the pipeline steel pipe by moving outwards along the radial direction, and realize the unlocking of the protective cap and the pipeline steel pipe by moving inwards along the radial direction, so the operation of the device is relatively convenient.
To sum up, the utility model provides a pipeline steel pipe tip protection device has realized carrying out the purpose of effective protection to the tip of pipeline steel pipe, has low in manufacturing cost, protects effectual, convenient operation's characteristics.
Drawings
FIG. 1 is a schematic top view of a pipeline steel pipe end protection device;
FIG. 2 is a schematic structural view of the pipeline steel pipe end protection device before locking;
FIG. 3 is a schematic top view of the protective cap;
FIG. 4 is a schematic top view of the inner plug ring installed at the end of the pipeline steel pipe;
FIG. 5 is a front view of the hinge rod and the hinge head prior to assembly;
FIG. 6 is a cross-sectional structural view of the hold-down assembly prior to assembly;
FIG. 7 is a cross-sectional structural view of the hold-down assembly after assembly;
FIG. 8 is a schematic cross-sectional view of the pipeline steel pipe end protector at the locking front edge of the plane A-A in FIG. 1;
FIG. 9 is a schematic cross-sectional view taken along the line A-A in FIG. 1 after the pipeline steel pipe end protection device is locked;
FIG. 10 is a schematic cross-sectional view of the pipeline steel pipe end protector at the front of the locking line on the plane B-B in FIG. 2;
description of reference numerals: 1-a protective cap; 21-a pipe ring; 22-a tube body; 101-a first via; 102-a second via; 2-inner plug ring; 201-screw hole; 202-a third via; 203-pressure bearing holes; 204-a fourth via; 2041-a fifth section of through holes; 2042-a sixth section of through holes; 2043-a seventh section of through holes; 3-screwing the screw; 31-a first cylinder; 32-a second cylinder; 33-a third cylinder; 4-pipeline steel pipe; 5-a pressure-bearing platform; 6-hinging; 601-hinge rod; 602-a hinge head; 7-a spring; 8-a first fixture block; 81-a first section of through-holes; 82-a second section of through hole; 9-a second fixture block; 91-third section through holes; 92-a fourth section of through holes; 10-a nut; 11-screw.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a top view of the pipeline steel pipe end protection device provided by the present invention is shown, as shown in fig. 2, a front view of the pipeline steel pipe end protection device provided by the present invention is shown, as shown in fig. 1 and fig. 2, the pipeline steel pipe end protection device comprises a protection cap 1, an inner plug ring 2 and a screwing screw 3, wherein fig. 3 shows a top view structural schematic diagram of the protection cap 1, fig. 4 shows a top view structural schematic diagram of the inner plug ring for pipeline steel pipe end installation, wherein the protection cap 1 comprises a pipe ring 21 and a pipe body 22, an axis of the pipe ring 21 is provided with a first through hole 101, and a plurality of second through holes 102 (e.g. 4-8) are uniformly arranged in a circumferential direction of the pipe ring 21; the inner plug ring 2 is arranged in the protective cap 1, third through holes 202 (the number is the same as that of the second through holes 102) corresponding to the plurality of second through holes 102 are arranged along the circumferential direction, and the inner plug ring (2) is connected with the protective cap 1 through the second through holes 102 and the third through holes 202, for example, through a screw 11 and a nut 10; one end of the inner plug ring 2 is provided with a screw hole 201 along the axial direction, corresponding to the first through hole 101, the screwing screw 3 is arranged in the screw hole 201, the other end is provided with a pressure-bearing hole 203 along the axial direction, a pressure-bearing platform (described in detail below) is arranged in the pressure-bearing hole 203, and the side surface of the inner plug ring 2 is also uniformly provided with a plurality of fourth through holes 204 (described in detail below) with axial lines arranged along the radial direction along the circumferential direction. In use, the line pipe 4 is located between the body 22 of the protective cap 1 and the circumferential side of the inner plug ring 2.
As shown in fig. 5 to 7, the pipeline steel pipe end protecting device provided by the present invention further includes a pressing assembly 60, which includes a hinge 6, a spring 7 sleeved on the hinge 6, and a first fixture block 8 and a second fixture block 9 respectively located at two ends of the hinge 6; the hinge 6 comprises a hinge rod 601 and hinge heads 602 positioned at two ends of the hinge rod 601, the spring 7 is positioned between the first fixture block 8 and the second fixture block 9, and the spring 7, the first fixture block 8 and the second fixture block 9 are all sleeved on the hinge rod 601 through the hinge heads 602. The axial positions of the first fixture block 8 and the second fixture block 9 are both provided with two sections of coaxial through holes with different diameters, the first fixture block 8 is provided with a first section of through hole 81 and a second section of through hole 82, and the second fixture block 9 is provided with a third section of through hole 91 and a fourth section of through hole 92; the diameter of the first section of through hole 81 is larger than that of the second section of through hole 82, the diameter of the third section of through hole 91 is larger than that of the fourth section of through hole 92, the hinge rod 601 penetrates through the second section of through hole 82 and the fourth section of through hole 92 respectively, the hinge heads 602 at two ends of the hinge rod 601 are located in the first section of through hole 81 and the third section of through hole 91 respectively, and the spring 7, the first fixture block 8 and the second fixture block 9 are combined together.
As shown in fig. 8 to 10, in this embodiment, the number of the fourth through holes 204 is 6, but other numbers may also be provided, for example, 4, 5, 7, 8, etc., and the fourth through holes are composed of three sections of coaxial through holes with different diameters, and include a fifth section of through hole 2041 close to the inner plug ring 2, a seventh section of through hole 2043 far away from the axis of the inner plug ring 2, and a sixth section of through hole 2042 therebetween; the diameter of the sixth section of through hole 2042 is smaller than the diameters of the fifth section of through hole 2041 and the seventh section of through hole 2043, the first fixture block 8 is located in the fifth section of through hole 2041, the second fixture block 9 is located in the seventh section of through hole 2043, and the spring 7 is located in the sixth section of through hole 2042. The end face of the first fixture block 8 close to the inner plug ring 2 is provided with an inclination angle, and the side face of the pressure-bearing platform 5 is provided with an inclination angle matched with the inclination end face of the first fixture block 8, so that the first fixture block 8 can be extruded by the pressure-bearing platform 5, and the pressure-bearing platform 5 cannot penetrate through the pressure-bearing hole 203. The screwing screw 3 is integrally connected by three sections of coaxial cylinders with different diameters, and comprises a first cylinder 31, a third cylinder 33 and a second cylinder 32, wherein the first cylinder 31 and the third cylinder 33 are positioned at two ends of the screwing screw, and the diameter of the second cylinder 32 is larger than that of the first cylinder 31 and that of the third cylinder 33; the side surface of the second cylinder 32 is provided with threads which are matched with the screw holes 201 of the inner plug ring 2 and are used for screwing the screw holes 201 of the inner plug ring 2.
The utility model provides a pipeline steel pipe tip protection device's assembly method does: in this embodiment, the number of the pressing assemblies 60 is 6, and the number of the second through holes 102 and the number of the third through holes 202 are 6, as shown in fig. 5, 6, 7, 8, 9 and 10, the end surface of the inner ring 2 provided with the screw hole 201 is firstly placed on the ground stably, then the six hinge rods 601 are respectively sleeved with one spring 7, then the six hinge rods 601 sleeved with the springs 7 are respectively installed in the fourth through holes 204 arranged along the radial direction of the six axes of the inner ring 2, then the six first fixture blocks 8 are respectively placed at the proximal ends (i.e. the fifth section of the through holes 2041) of the six fourth through holes 204, then the six second fixture blocks 9 are respectively placed at the distal ends (i.e. the seventh section of the through holes 2043) of the six fourth through holes 204, and then the two ends of each hinge rod 601 are respectively installed with one hinge head 602, so that twelve hinge heads 602, six hinge rods 601, two hinge rods 201, and two hinge rods 601 are, The six springs 7, the six first latches 8, and the six second latches 9 are assembled.
As shown in fig. 8 to 10, the six first blocks 8 are rotated to ensure that the six first blocks 8 have consistent inclination angles, then the end with the relatively larger diameter of the pressure-bearing platform 5 is upward, passes through the screw holes 201 of the inner plug ring 2, is placed on the inclined end surfaces of the six first blocks 8, and then the tightening screws 3 are screwed into the screw holes 201 of the inner plug ring 2.
As shown in fig. 1, fig. 2, fig. 8 and fig. 9, the flat end face of the protective cap 1 is smoothly sleeved on the inner plug ring 2, then the protective cap 1 is horizontally rotated to ensure that the second through hole 102 of the protective cap 1 is aligned with the third through hole 202 of the inner plug ring 2, then a screw 11 is respectively installed in each aligned through hole, and then a nut 10 is screwed on the other end of each screw 11.
Thus, the pipeline steel pipe end protection device is assembled and can be put into use.
The utility model discloses a pipeline steel pipe tip protection device's application method does: as shown in fig. 8 and 9, the pipeline steel pipe 4 is vertically placed, then a set of end protection device is stably placed at the upper end of the pipeline steel pipe 4, the axis of the end protection device is ensured to be aligned with the axis of the pipeline steel pipe 4, then the tightening screw 3 is screwed in to push the pressure-bearing platform 5 to move downwards, the six first blocks 8 and the hinges 6 are forced by external force to move outwards in the six radially-arranged fourth through holes 204 of the inner plug ring 2, in the process, the spring 7 is squeezed to shrink, meanwhile, the six second blocks 9 and the hinges 6 are squeezed to move outwards in the six radially-arranged fourth through holes 204 of the inner plug ring 2, and the six second blocks 9 firmly lock the inner wall of the pipeline steel pipe 4 at the same time, so that the upper end of the pipeline steel pipe 4 is protected by the protection cap 1.
Then, the pipeline steel pipe 4 is turned by 180 degrees and vertically placed again, and another set of assembled end protection device can be installed at the other end of the pipeline steel pipe 4 by the same method, so that one set of end protection device is installed at both ends of the pipeline steel pipe 4, and the end protection task is completed.
Can see through the embodiment, the utility model provides a pipeline steel pipe tip protection device has low in manufacturing cost, the protection is effectual, convenient operation's characteristics.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pipeline steel pipe end protection device, characterized by includes:
the protective cap (1) comprises a pipe ring (21) and a pipe body (22), wherein the pipe ring (21) and the pipe body (22) are integrally connected, a first through hole (101) is formed in the axis of the pipe ring (21), and a plurality of second through holes (102) are uniformly formed in the circumferential direction of the pipe ring (21);
an inner plug ring (2) arranged inside the protective cap (1), the inner plug ring (2) being provided with third through holes (202) corresponding to the plurality of second through holes (102) in the circumferential direction, the inner plug ring (2) being connected with the protective cap (1) through the second through holes (102) and the third through holes (202); one end of the inner plug ring (2) is provided with a screw hole (201) along the axial direction, the screw hole corresponds to the first through hole (101), the other end of the inner plug ring is provided with a pressure-bearing hole (203) along the axial direction, and the side surface of the inner plug ring (2) is uniformly provided with a plurality of fourth through holes (204) with axial lines arranged along the radial direction along the circumferential direction;
a tightening screw (3) disposed within the screw hole (201);
a pressure-bearing platform (5) disposed within the pressure-bearing aperture (203); and
a hold down assembly (60) disposed within the fourth through hole (204).
2. The line pipe end protection device of claim 1, wherein the hold-down assembly (60) comprises: the hinge (6), a spring (7) sleeved on the hinge (6), and a first clamping block (8) and a second clamping block (9) which are respectively positioned at two ends of the hinge (6); the first fixture block (8) is close to the axis of the inner plug ring (2), and the second fixture block (9) is far away from the axis of the inner plug ring (2).
3. The pipeline steel pipe end protector according to claim 2, wherein the hinge (6) comprises a hinge rod (601) and hinge heads (602) arranged at two ends of the hinge rod (601), the spring (7) is arranged between the first fixture block (8) and the second fixture block (9), and the spring (7), the first fixture block (8) and the second fixture block (9) are all sleeved on the hinge rod (601) through the hinge heads (602).
4. The pipeline steel pipe end protection device according to claim 3, wherein two sections of coaxial through holes with different diameters are arranged at the axial positions of the first fixture block (8) and the second fixture block (9), the first fixture block (8) is provided with a first section of through hole (81) and a second section of through hole (82), and the second fixture block (9) is provided with a third section of through hole (91) and a fourth section of through hole (92); the diameter of the first section of through hole (81) is larger than that of the second section of through hole (82), the diameter of the third section of through hole (91) is larger than that of the fourth section of through hole (92), the hinge rod (601) penetrates through the second section of through hole (82) and the fourth section of through hole (92) respectively, and hinge heads (602) at two ends of the hinge rod (601) are located in the first section of through hole (81) and the third section of through hole (91) respectively.
5. The pipeline steel pipe end protection device according to any one of claims 2 to 4, wherein the fourth through hole (204) is composed of three sections of coaxial through holes with different diameters, and comprises a fifth section of through hole (2041) close to the inner plug ring (2), a seventh section of through hole (2043) far away from the inner plug ring (2) and a sixth section of through hole (2042) between the fifth section of through hole and the seventh section of through hole; the diameter of the sixth section of through hole (2042) is smaller than the diameters of the fifth section of through hole (2041) and the seventh section of through hole (2043), the first fixture block (8) is located in the fifth section of through hole (2041), the second fixture block (9) is located in the seventh section of through hole (2043), and the spring (7) is located in the sixth section of through hole (2042).
6. The pipeline steel pipe end protection device according to claim 5, wherein the end surface of the first fixture block (8) close to the inner plug ring (2) is provided with an inclination angle, and the side surface of the pressure-bearing platform (5) is provided with an inclination angle matched with the inclination end surface of the first fixture block (8).
7. The pipeline steel pipe end protection device according to claim 6, wherein the screwing screw (3) is integrally connected by three sections of coaxial cylinders with different diameters, and comprises a first cylinder (31), a third cylinder (33) and a second cylinder (32) which are positioned at two ends and positioned in the middle, wherein the diameter of the second cylinder (32) is larger than that of the first cylinder (31) and the third cylinder (33); the side surface of the second cylinder (32) is provided with threads, and the threads are matched with the screw holes (201) of the inner plug ring (2).
8. The line pipe end protector according to claim 1, characterized in that the number of the second plurality of through holes (102) and the third plurality of through holes (202) is 4-8.
9. The pipeline steel pipe end protection device according to claim 1, wherein the number of the plurality of fourth through holes (204) is 4-8.
10. The line pipe end protector according to claim 9, characterized in that the number of the fourth through holes (204) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827041.6U CN210083958U (en) | 2019-06-03 | 2019-06-03 | Pipeline steel pipe end protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827041.6U CN210083958U (en) | 2019-06-03 | 2019-06-03 | Pipeline steel pipe end protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210083958U true CN210083958U (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920827041.6U Active CN210083958U (en) | 2019-06-03 | 2019-06-03 | Pipeline steel pipe end protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210083958U (en) |
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2019
- 2019-06-03 CN CN201920827041.6U patent/CN210083958U/en active Active
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