CN213361339U - Vertical pipe radial limiting device - Google Patents
Vertical pipe radial limiting device Download PDFInfo
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- CN213361339U CN213361339U CN202021395204.7U CN202021395204U CN213361339U CN 213361339 U CN213361339 U CN 213361339U CN 202021395204 U CN202021395204 U CN 202021395204U CN 213361339 U CN213361339 U CN 213361339U
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Abstract
The utility model discloses a radial stop device of riser, including the pipe strap of holding the pipeline tightly, the pipe strap is equipped with two and follows the drawing pressure pole that the radial direction of pipeline extends towards one side of mounting platform, drawing pressure pole extends to and links to each other with mounting platform, and it is axial central plane to establish the cross-section that the pipeline crossed axial direction line, and two drawing pressure pole branches locate the both sides of the axial central plane of pipeline perpendicular to mounting platform, and the hypothetical extension line of two drawing pressure poles intersects at a point, and this point is located the center axis of pipeline. Therefore, the two tension and compression rods and the mounting platform form a triangular relation with stable stress, and therefore the vertical pipe generates a stable radial limiting effect.
Description
Technical Field
The utility model relates to a frock technical field is fixed to pipeline especially relates to a radial stop device of riser.
Background
In the industries of electric power, chemical industry, environmental protection and the like, the material of the large-diameter pipeline for conveying corrosive media is mostly non-metallic materials such as lining rubber, lining plastic, glass fiber reinforced plastic or PE. The pipeline made of the material can not be welded, and a radial limiting device of the pipeline is extremely difficult to manufacture; the existing industry standard HG/T21629-1999 pipe support standard chart, steam-water pipeline support hanger handbook (supplement) limiting device and the like do not have products of a large-diameter vertical pipe limiting device. Because the diameter of the non-metal pipeline is large, the radial limiting device of the conventional horizontal pipe is applied to the vertical pipe and has the defects of large occupied space, easy slippage of the limiting device during operation, complex construction and manufacturing procedures and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a simple structure, ann tear open convenient and spacing stable firm riser radial stop device.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a radial stop device of riser, is including holding the pipe strap of pipeline tightly, the pipe strap is equipped with two and follows the pull rod that the pipeline radial direction extends towards one side of mounting platform, pull the pull rod and extend to and link to each other with mounting platform, establish the pipeline and cross axial centerline's cross-section and be the axial central plane, two pull rod branches locate the both sides of the axial central plane of pipeline perpendicular to mounting platform, and two pull rod the central axis's of central axis imaginary extension line intersects at a point, and this point is located the center axis of pipeline.
Therefore, the two tension and compression rods and the mounting platform form a triangular relation with stable stress, and therefore the vertical pipe generates a stable radial limiting effect.
As a further improvement of the above technical solution:
in order to adapt to different working conditions, particularly uneven mounting platforms, the length of the pulling and pressing rod is adjustable.
As a specific structural form of the tension and compression bar, the tension and compression bar comprises an adjusting rod and an adjusting main body;
the adjusting main body is provided with a first threaded hole which is arranged along the axial direction of the tension and compression rod, the adjusting rod is in threaded connection with the first threaded hole, and the adjusting rod is provided with a first locking nut which is used for detachably and fixedly connecting the adjusting rod and the adjusting main body; the middle part of the adjusting main body is provided with a cavity communicated with the first threaded hole, and the cavity is provided with a space for the axial movement of the adjusting rod;
the adjusting rod is connected with the mounting platform, the adjusting main body is connected with the pipe clamp, or the adjusting rod is connected with the pipe clamp, and the adjusting main body is connected with the mounting platform.
Compared with a conventional telescopic rod, the adjusting structure is simple and reliable and can adapt to special application working conditions such as thermal power generation.
The adjusting main body is connected with the mounting platform or the pipe clamp through a connecting rod.
The adjusting body is provided with a second threaded hole arranged along the axial direction of the tension and compression rod, the first threaded hole and the second threaded hole are respectively arranged at two ends of the cavity along the axial direction of the tension and compression rod, the connecting rod is in threaded connection with the second threaded hole, and the connecting rod is provided with a second locking nut used for detachably and fixedly connecting the adjusting body and the connecting rod; the second threaded hole is communicated with a cavity, the cavity is provided with a space for the connecting rod to axially move, and the thread turning directions of the first threaded hole and the second threaded hole are opposite.
Therefore, the adjusting main body can be selected from standard turnbuckles which play a role in tensioning and adjusting tightness.
In order to adapt to different working conditions, particularly to an installation platform with a radian or a narrow end, the tension and compression rod is hinged with the pipe clamp and/or the installation platform.
The adjusting rod is hinged with one of the mounting platform and the pipe clamp through a first hinge piece, and a third threaded hole in threaded connection with the adjusting rod is formed in the first hinge piece; or the like, or, alternatively,
the connecting rod is hinged with one of the mounting platform and the pipe clamp through a second hinge; and a fourth threaded hole in threaded connection with the connecting rod is formed in the second hinge part.
The adjusting rod is hinged with one of the mounting platform and the pipe clamp through a first hinge piece, and a third threaded hole in threaded connection with the adjusting rod is formed in the first hinge piece; the adjusting rod is provided with a third locking nut which is used for detachably and fixedly connecting the adjusting rod and the first articulated element;
the connecting rod is hinged with the other one of the mounting platform and the pipe clamp through a second hinge; a fourth threaded hole in threaded connection with the connecting rod is formed in the second hinge part, and a fourth locking nut for detachably and fixedly connecting the connecting rod and the second hinge part is arranged on the connecting rod;
the thread directions of the third threaded hole and the fourth threaded hole are opposite.
Thus, one of the hinged parts can be made of a standard part with a hinged head turnbuckle (left-hand thread), and the other hinged part can be made by self-manufacturing.
The adjusting rod is hinged with one of the mounting platform and the pipe clamp through a first hinge piece, a third threaded hole in threaded connection with the adjusting rod is formed in the first hinge piece, and a third locking nut used for detachably and fixedly connecting the adjusting rod and the first hinge piece is arranged on the adjusting rod;
the connecting rod is hinged with the other one of the mounting platform and the pipe clamp through a second hinge; the connecting rod is including the first bolt and the second bolt that link firmly, and the screw thread of first bolt and second bolt revolves to opposite, first bolt and second screw hole threaded connection, set up the fourth screw hole with second bolt threaded connection on the second articulated elements, be equipped with on the connecting rod and be used for connecting rod and second articulated elements detachably fixed connection's fourth lock nut.
In order to prevent the phenomenon of poor welding straightness accuracy in the direct welding of the two bolts from causing the welding position to be twisted, the first bolt and the second bolt are connected through the sleeve, and the ends, provided with the bolt heads, of the first bolt and the second bolt extend into the sleeve and are fixedly connected with the sleeve.
Therefore, the two hinged parts can adopt a standard turnbuckle (left-hand thread) with a hinged joint. One end of the turnbuckle is provided with a left thread, and the other end of the turnbuckle is provided with a right thread. The two ends of the connecting rod are both provided with single-head bolts, the single-head bolt at one end is a left thread, the single-head bolt at the other end is a right thread, and the adjusting rod is a left thread. The parts can be directly selected and purchased in the market according to a handbook for supporting and hanging steam pipes of a thermal power plant, so that a complex and long test process is omitted, and the cost is further reduced.
The adjusting rod and/or the connecting rod are/is in threaded connection with the hinged part, and the length of the pulling and pressing rod can be finely adjusted.
The two tension and compression rods are symmetrically arranged on two sides of the pipeline, which are perpendicular to the axial center plane of the mounting platform.
The included angle alpha between the two tension and compression rods is 50-70 degrees. The included angle alpha between the two tension and compression rods is preferably 60 DEG
Compared with the prior art, the utility model has the advantages of:
1. in the vertical pipe radial limiting device, the tension and compression rod and the mounting platform form a triangular relation with stable stress; when the large-diameter vertical pipe generates an axial load, a stable radial limiting effect is formed on the large-diameter vertical pipe by using the tension of one tension and compression rod and the pressure of the other tension and compression rod; when the large-caliber vertical pipe axially displaces upwards or downwards, a triangle formed by tension and pressure still exists, so that the slipping failure of the limiting device of the large-caliber vertical pipe can be prevented. The problems that other large-diameter pipe limiting devices are used for a vertical pipe and are easy to slip off, poor in stability and the like are solved.
2. The utility model provides an each part all can be according to the relevant manual purchase of special trade to saved complicated and lengthy testing process, and ann torn open conveniently, it is simple to adjust, thereby solved other heavy-calibre pipe stop device and be used for the riser installation inconvenient, adjust difficult scheduling problem.
3. The utility model discloses a there is not the welding in riser radial stop device and heavy-calibre riser junction for the material of pipeline is not restricted to metal, nonmetal, lining rubber tube etc. and the application is very extensive.
Drawings
Fig. 1 is a top view of a riser radial stop device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a turnbuckle with a hinged joint.
Fig. 3 is a schematic structural view of the adjustment lever.
Fig. 4 is a schematic structural view of the connecting rod.
Illustration of the drawings: 1. a first hinge member; 11. a third threaded hole; 2. adjusting a rod; 21. a first lock nut; 22. a third lock nut; 3. adjusting the main body; 31. a first threaded hole; 32. a cavity; 33. a second threaded hole; 4. a connecting rod; 41. a first bolt; 43. a sleeve; 44. a fourth lock nut; 45. a second bolt; 46. a second lock nut; 5. A pipe clamp; 8. mounting a platform; 4. a connecting rod; 7. a pipeline; 8. mounting a platform; 9. a second hinge member; 91. a fourth threaded hole; 10. and (5) pulling and pressing the rod.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
Example (b):
as shown in fig. 1, the radial limiting device for the riser according to this embodiment includes a pipe clamp 5 holding a pipeline 7 tightly, one side of the pipe clamp 5 facing an installation platform 8 is provided with two tension and compression rods 10 extending along a radial direction of the pipeline 7, the tension and compression rods 10 extend to be connected with the installation platform 8, a cross section of the pipeline 7 passing through an axial center line is an axial center plane, the two tension and compression rods 10 are respectively disposed on two sides of the axial center plane a of the pipeline 7 perpendicular to the installation platform 8, imaginary extension lines of central axes of the two tension and compression rods 10 intersect at a point O, and the point O is located on the center axis of the pipeline 7.
Therefore, the two tension and compression rods 10 and the mounting platform 8 form a triangular relation with stable stress, and therefore a stable radial limiting effect is generated on the vertical pipe 7.
The pipe clamp 5 comprises two half-ring pipe clamps which are split, and the two half-ring pipe clamps are connected through bolts to form the pipe clamp 5. The pipe clamp 5 and the mounting platform 8 are provided with single-hole hanging plates 6 with hinge bolts at positions corresponding to the two tension and compression rods 10, and the single-hole hanging plates 6 contain hexagon bolts and nuts for hinge.
The tension and compression rod 10 comprises a first hinge part 1, an adjusting rod 2, an adjusting main body 3, a connecting rod 4 and a second hinge part 9 which are sequentially in threaded connection.
In this embodiment, the first hinge member 1 and the second hinge member 9 are both turnbuckles with hinge heads, and the thread turning direction is left-hand turning.
The adjusting rod 2 is a pull rod with both ends being tapped with left threads.
The adjusting body 3 is a turnbuckle with one end being left thread and the other end being right thread.
The connecting rod 4 comprises a first bolt 41 and a second bolt 45 fixedly connected through a sleeve 43, the first bolt 41 is a right thread, and the second bolt 45 is a left thread. The first bolt 41 and the second bolt 45 are both single-head bolts, and the ends of the first bolt 41 and the second bolt 45, which have bolt heads, both extend into the sleeve 43 and are fixedly connected with the sleeve 43. Circular ring-shaped clamping blocks 42 for preventing bolts from falling off are welded at the outlets of two ends of the sleeve 43.
The parts can be directly selected and purchased in the market according to 82 edition handbook for steam-water pipeline supporting and hanging bracket of thermal power plant of northwest electric power design institute.
The hinged joint of the first hinged part 1 is hinged to the corresponding single-hole hanging plate 6 on the mounting platform 8, a third threaded hole 11 in threaded connection with the adjusting rod 2 is formed in one end, connected with the adjusting rod 2, of the first hinged part 1, and a third locking nut 22 used for fixedly connecting the adjusting rod 2 and the first hinged part 1 in a detachable mode is arranged on the adjusting rod 2.
The two ends of the adjusting main body 3 along the axial direction of the tension and compression bar 10 are respectively provided with a first threaded hole 31 and a second threaded hole 33, and the middle part of the adjusting main body 3 is provided with a cavity 32 communicated with the first threaded hole 31 and the second threaded hole 33. The adjusting rod 2 is in threaded connection with the first threaded hole 31, and a first locking nut 21 for detachably and fixedly connecting the adjusting rod 2 and the adjusting body 3 is arranged on the adjusting rod 2; the first bolt 41 of the connecting rod 4 is in threaded connection with the second threaded hole 33, and the first bolt 41 is provided with a second lock nut 46 for detachably and fixedly connecting the adjusting body 3 and the connecting rod 4; the cavity 32 has a space for the axial movement of the adjustment rod 2 and the connection rod 4, the first threaded hole 31 being a left-hand thread and the second threaded hole 33 being a right-hand thread.
A fourth threaded hole 91 in threaded connection with the second bolt 45 is formed in one end of the second hinge 9, which is connected to the connecting rod 4, and a fourth locking nut 44 for detachably and fixedly connecting the second bolt 45 and the second hinge 9 is arranged on the second bolt 45. The joint of the second hinge 9 is hinged to a corresponding single-hole hanger plate 6 on the pipe strap 5.
The first lock nut 21, the third lock nut 22 and the fourth lock nut 44 are left-hand hexagonal flat nuts, and the second lock nut 46 is a right-hand hexagonal flat nut.
The utility model discloses a radial stop device installation of riser as follows:
step one, pre-assembling parts according to the steps shown in fig. 2-4, and combining the first locking nut 21 and the third locking nut 22 with the adjusting rod 2 in a threaded manner to form a left-threaded pull rod. The first bolt 41 and the second bolt 45 respectively penetrate through a round hole in the middle of the circular fixture block 42, the second locking nut 46 and the first bolt 41 are combined in a threaded mode, the fourth locking nut 44 and the second bolt 45 are combined in a threaded mode and then are respectively plugged into the pull rod sleeve 43, the circular fixture block 42 is firmly welded on the edge of the pull rod cylinder 43 in a welding mode, and the connecting rod 4 is preassembled.
And step two, one end of the left thread adjusting rod 2 is in threaded connection with a turnbuckle with a hinge, namely the first hinge part 1, the other end of the left thread adjusting rod is in threaded connection with a turnbuckle, namely the adjusting main body 3, and the two ends of the left thread adjusting rod are respectively locked by a left thread hexagonal flat nut. The right threaded end of the connecting rod 4 is connected with the adjusting body 3 through threads and locked through a right-threaded hexagonal flat nut; the left thread end of the connecting rod 4 is in threaded connection with a turnbuckle with a hinge, namely a second hinge part 9, and is locked by a left thread hexagonal flat nut.
Step three, the adjustable tension and compression bar 10 formed in the step two is finished; the double-hole short pipe clamp 5 is hooped on a large-diameter vertical pipe 7, and the single-hole hanger plate 6 with the hinged bolt is welded on the outer side of the double-hole short pipe clamp 5 at an interval of about 60 degrees. The second hinge part 9 and the single-hole hanging plate 6 with the hinge bolt are fixed through a bolt, and the first hinge part 1 and the single-hole hanging plate 6 with the hinge bolt on the mounting platform 8 are fixed through a bolt.
Through the steps, the radial limiting device is assembled.
Because the double-hole short pipe clamp 5 is hooped on the large-caliber vertical pipe 7, the pipeline is not welded, so that the material of the large-caliber vertical pipe 7 is not limited to metal, nonmetal, rubber lining pipe and the like, and the application is very wide.
The included angle between the two tension and compression rods 10 is about 60 degrees, a triangle is formed, the large-diameter vertical pipe 7 is limited by the tension or the pressure of the two tension and compression rods, and firm and stable radial limiting is formed by locking the left-thread hexagonal flat nut and the right-thread hexagonal flat nut.
The arrangement of the turnbuckle with the hinge can allow the large-caliber vertical pipe to generate upward or downward axial displacement, and the device still can not slip and keep the radial limiting effect.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (10)
1. The utility model provides a radial stop device of riser, is including pipe strap (5) of holding pipeline (7) tightly, a serial communication port, pipe strap (5) are equipped with two and draw depression bar (10) that extend along pipeline (7) radial direction towards one side of mounting platform (8), draw depression bar (10) to extend to and link to each other with mounting platform (8), establish pipeline (7) and cross axial center line's cross-section for axial center face, two draw depression bar (10) branch locate pipeline (7) perpendicular to mounting platform's (8) axial center face (A) both sides, two draw depression bar (10) the central axis's hypothetical extension line to intersect at a point, this point is located the center axis of pipeline (7).
2. Riser radial stop according to claim 1, characterized in that the length of the tension and compression bar (10) is adjustable.
3. Riser radial limitation device according to claim 2, characterized in that the tension and compression bar (10) comprises an adjustment rod (2) and an adjustment body (3);
the adjusting main body (3) is provided with a first threaded hole (31) which is arranged along the axial direction of the tension and compression rod (10), the adjusting rod (2) is in threaded connection with the first threaded hole (31), and the adjusting rod (2) is provided with a first locking nut (21) which is used for detachably and fixedly connecting the adjusting rod (2) and the adjusting main body (3); the middle part of the adjusting main body (3) is provided with a cavity (32) communicated with the first threaded hole (31), and the cavity (32) is provided with a space for the axial movement of the adjusting rod (2);
adjust pole (2) and link to each other with mounting platform (8), adjust main part (3) and link to each other with pipe strap (5), perhaps adjust pole (2) and link to each other with pipe strap (5), adjust main part (3) and link to each other with mounting platform (8).
4. Riser radial limitation device according to claim 3, characterized in that the adjustment body (3) is connected to the mounting platform (8) or the pipe clamp (5) by means of a connecting rod (4).
5. The radial limit device of the riser as claimed in claim 4, wherein the adjusting body (3) is provided with a second threaded hole (33) arranged along the axial direction of the tension and compression bar (10), the first threaded hole (31) and the second threaded hole (33) are respectively arranged at two ends of the cavity (32) along the axial direction of the tension and compression bar (10), the connecting rod (4) is in threaded connection with the second threaded hole (33), and the connecting rod (4) is provided with a second lock nut (46) for detachably and fixedly connecting the adjusting body (3) and the connecting rod (4); the second threaded hole (33) is communicated with a cavity (32), the cavity (32) is provided with a space for the connecting rod (4) to move axially, and the thread directions of the first threaded hole (31) and the second threaded hole (33) are opposite.
6. Riser radial limitation unit according to claim 5, wherein the tension and compression bar (10) is hinged to the pipe clamp (5) and/or the mounting platform (8).
7. The riser radial limiting device according to claim 6, wherein the adjusting rod (2) is hinged to one of the mounting platform (8) and the pipe clamp (5) through a first hinge (1), and a third threaded hole (11) in threaded connection with the adjusting rod (2) is formed in the first hinge (1); or the like, or, alternatively,
the connecting rod (4) is hinged with one of the mounting platform (8) and the pipe clamp (5) through a second hinge piece (9); and a fourth threaded hole (91) in threaded connection with the connecting rod (4) is formed in the second hinge part (9).
8. The riser radial limiting device according to claim 6, wherein the adjusting rod (2) is hinged to one of the mounting platform (8) and the pipe clamp (5) through a first hinge (1), and a third threaded hole (11) in threaded connection with the adjusting rod (2) is formed in the first hinge (1); the adjusting rod (2) is provided with a third locking nut (22) which is used for fixedly connecting the adjusting rod (2) and the first articulated element (1) in a detachable manner;
the connecting rod (4) is hinged with the other one of the mounting platform (8) and the pipe clamp (5) through a second hinge piece (9); a fourth threaded hole (91) in threaded connection with the connecting rod (4) is formed in the second hinge part (9), and a fourth locking nut (44) used for detachably and fixedly connecting the connecting rod (4) and the second hinge part (9) is arranged on the connecting rod (4);
the thread directions of the third threaded hole (11) and the fourth threaded hole (91) are opposite.
9. The vertical pipe radial limiting device according to claim 6, wherein the adjusting rod (2) is hinged to one of the mounting platform (8) and the pipe clamp (5) through a first hinge member (1), a third threaded hole (11) in threaded connection with the adjusting rod (2) is formed in the first hinge member (1), and a third locking nut (22) for detachably and fixedly connecting the adjusting rod (2) and the first hinge member (1) is arranged on the adjusting rod (2);
the connecting rod (4) is hinged with the other one of the mounting platform (8) and the pipe clamp (5) through a second hinge piece (9); connecting rod (4) are including first bolt (41) and second bolt (45) that link firmly, and the screw thread of first bolt (41) and second bolt (45) is turned around to opposite, first bolt (41) and second screw hole (33) threaded connection, set up fourth screw hole (91) with second bolt (45) threaded connection on second articulated elements (9), be equipped with on connecting rod (4) and be used for connecting rod (4) and second articulated elements (9) detachably fixed connection's fourth lock nut (44).
10. Riser radial limitation device according to claim 9, wherein the first bolt (41) and the second bolt (45) are connected by a sleeve (43), and wherein the ends of the first bolt (41) and the second bolt (45) having the bolt heads each extend into the sleeve (43) and are fixedly connected to the sleeve (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395204.7U CN213361339U (en) | 2020-07-15 | 2020-07-15 | Vertical pipe radial limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395204.7U CN213361339U (en) | 2020-07-15 | 2020-07-15 | Vertical pipe radial limiting device |
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| Publication Number | Publication Date |
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| CN213361339U true CN213361339U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021395204.7U Active CN213361339U (en) | 2020-07-15 | 2020-07-15 | Vertical pipe radial limiting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013164A (en) * | 2020-07-15 | 2020-12-01 | 中国电建集团中南勘测设计研究院有限公司 | Vertical pipe radial limiting device |
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2020
- 2020-07-15 CN CN202021395204.7U patent/CN213361339U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013164A (en) * | 2020-07-15 | 2020-12-01 | 中国电建集团中南勘测设计研究院有限公司 | Vertical pipe radial limiting device |
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