CN215108793U - Recoverable pipeline centralizer - Google Patents
Recoverable pipeline centralizer Download PDFInfo
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- CN215108793U CN215108793U CN202121523885.5U CN202121523885U CN215108793U CN 215108793 U CN215108793 U CN 215108793U CN 202121523885 U CN202121523885 U CN 202121523885U CN 215108793 U CN215108793 U CN 215108793U
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Abstract
The utility model relates to a but recovery type pipeline centralizer, include: the fixing part comprises a fixing sleeve, and a guide structure with a wedge-shaped section is arranged at the top and/or the bottom of the fixing sleeve; the movable supporting part comprises a plurality of supporting units, each supporting unit comprises a telescopic supporting mechanism, one end of each telescopic supporting mechanism is connected with the corresponding fixed sleeve, the other end of each telescopic supporting mechanism is connected with an arc plate used for supporting the well pipe, and the number of the supporting units is two and the two supporting units are respectively located on two sides of the axis of the corresponding fixed sleeve. The utility model is convenient to manufacture and use, and the stability of the well pipe is improved by the clamping and supporting function of the arc-shaped plate; along with the completion of backfill work, the utility model discloses can propose the wellhole and retrieve to reuse has reduced the consumption of material.
Description
Technical Field
The utility model relates to a pipeline construction frock technical field especially relates to a but recovery type pipeline centralizer.
Background
In the well construction of the dewatering well of the deep foundation pit, the well hole needs to be backfilled after the well pipe is connected, and the backfilling filter material is easy to change the extending direction of the well pipe in the backfilling process, so that the engineering weight is reduced. In order to solve the problem, the prior art generally arranges a disposable simple supporting structure outside the well pipe, and the mode not only consumes more materials, but also has poor stability of support.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a recyclable pipeline centralizer.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a retrievable pipe centralizer, comprising:
a fixing part including a fixing sleeve;
the movable supporting part comprises a plurality of supporting units, each supporting unit comprises a telescopic supporting mechanism, one end of each telescopic supporting mechanism is connected with the corresponding fixed sleeve, and the other end of each telescopic supporting mechanism is connected with an arc-shaped plate used for supporting the well pipe.
Furthermore, the number of the supporting units is two and the supporting units are respectively positioned at two sides of the axis of the fixed sleeve.
Furthermore, flexible supporting mechanism includes the connecting rod that constitutes by four member hinges in proper order, the both ends of connecting rod respectively with fixed cover inner wall and arc fixed connection, be located two member bottoms of tip and all set firmly limiting plate, two limiting plate sliding connection.
Furthermore, the telescopic supporting mechanism comprises a multi-section sleeve, two ends of the telescopic supporting mechanism are respectively and fixedly connected with the inner wall of the fixed sleeve and the arc-shaped plate, and a spring for applying an extending force to the multi-section sleeve is arranged between two adjacent sections of the multi-section sleeve.
Furthermore, one end of the multi-section sleeve connected with the arc-shaped plate is lower than one end connected with the fixed sleeve.
Furthermore, the multi-section sleeve is horizontally arranged, the tops of two sections of the end part of the multi-section sleeve are hinged with pull rods, and one ends, far away from the multi-section sleeve, of the two pull rods are hinged with each other.
Furthermore, the telescopic supporting mechanism comprises two fixed connecting rods, the two fixed connecting rods are respectively and fixedly connected with the inner wall of the fixed sleeve and the arc-shaped plate, a plurality of movable connecting rods which are arranged in parallel are arranged between the two fixed connecting rods, and two ends of each movable connecting rod are respectively hinged with the two fixed connecting rods.
Furthermore, the top and/or the bottom of the fixing sleeve is provided with a guide structure with a wedge-shaped section.
The utility model has the advantages that: the utility model is convenient to manufacture and use, has been applied to Tianjin subway projects and has achieved good effect, and the clamping and supporting function of the arc plate improves the stability of the well pipe; along with the completion of backfill work, the utility model discloses can propose the wellhole and retrieve to reuse has reduced the consumption of material.
Drawings
FIG. 1 is a schematic structural view of the present invention using a guide link structure;
FIG. 2 is a first structural diagram of the present invention with a sleeve structure;
FIG. 3 is a second schematic structural view of the present invention with a sleeve structure;
FIG. 4 is a schematic structural view of the present invention using a parallel connecting rod structure;
in the figure: 1-a stationary part; 11-fixing the sleeve; 12-a guide structure; 2-a movable support part; 21-a telescopic support mechanism; 211-connecting rod; 212-a limiting plate; 213-a multi-section sleeve; 214-a tie rod; 215-fixed link; 216-a movable link; 22-an arc-shaped plate; 3-well tubing;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown, the present embodiment includes:
the fixing part 1, the fixing part 1 includes the fixed sleeve 11, the top and/or bottom of the fixed sleeve 11 has a wedge-shaped cross-section guide structure 12, the guide structure 12 can effectively reduce the resistance of the well wall to the utility model when lifting and lowering;
the activity supporting part 2, the activity supporting part 2 includes two supporting element, two supporting element are located the both sides of fixed cover 11 axis respectively, supporting element includes flexible supporting mechanism 21, flexible supporting mechanism 21 one end links to each other and the other end even has the arc 22 that is used for supporting well casing 3 with fixed cover 11, the radian and the 3 outer wall cooperation settings of well casing of arc 22, flexible supporting mechanism 21 can adopt direction connecting rod structure, flexible supporting mechanism 21 includes the connecting rod 211 that constitutes by four member hinges in proper order, the both ends of connecting rod 211 respectively with fixed cover 11 inner walls and arc 22 fixed connection, two member bottoms that are located the tip have all set firmly limiting plate 212, two limiting plate 212 sliding connection.
During construction, a suspender or a sling is connected at the hinged position of the two middle rods, the utility model is arranged at the joint of the well pipe 3 and is put down into the well pipe together with the well pipe 3; after the filter material is backfilled, the lifting rod or the sling is lifted up to enable the lifting rod or the sling to be uplifted upwards (the arrow direction in the figure is the pulling direction), so that the rod connected with the arc plate 22 is pulled to shrink along the limiting plate 212 on the outer side, the arc plate 22 is further driven to be separated from the well pipe 3, and the lifting rod or the sling can be pulled continuously at the moment.
As another embodiment, the telescopic supporting mechanism 21 may be a sleeve-type structure, the telescopic supporting mechanism 21 includes a multi-section sleeve 213, two ends of the telescopic supporting mechanism 21 are respectively fixedly connected with the inner wall of the fixed sleeve 11 and the arc plate 22, and a spring for applying an extending force to the multi-section sleeve 213 is arranged between two adjacent sections of the multi-section sleeve 213; wherein, the multi-section sleeve 213 can be obliquely arranged, one end of the multi-section sleeve 213 connected with the arc plate 22 is lower than one end connected with the fixed sleeve 11, at this time, one section connected with the arc plate 22 is pulled upwards, and the multi-section sleeve 213 retracts under the action of the gravity of the fixed sleeve 11; the multi-section sleeve 213 can also be a structure driven by the pull rod 214, the multi-section sleeve 213 is horizontally arranged, the tops of two sections of the end part of the multi-section sleeve 213 are hinged with the pull rod 214, one ends of the two pull rods 214 far away from the multi-section sleeve 213 are hinged with each other, at this time, the hinged part of the two pull rods 214 is pulled upwards, and the pull rod 214 can drive the multi-section sleeve 213 to contract.
As another embodiment, the telescopic supporting mechanism 21 may also adopt a parallel link structure, the telescopic supporting mechanism 21 includes two fixed links 215, the two fixed links 215 are respectively and fixedly connected with the inner wall of the fixed sleeve 11 and the arc-shaped plate 22, a plurality of movable links 216 arranged in parallel are arranged between the two fixed links 215, two ends of the movable links 216 are respectively hinged with the two fixed links 215, and at this time, the fixed links 215 connected with the arc-shaped plate 22 are pulled to drive the arc-shaped plate 22 to separate from the well pipe 3.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (8)
1. A retrievable pipe centralizer, comprising:
a fixing part (1), the fixing part (1) comprising a fixing sleeve (11);
the movable supporting part (2) comprises a plurality of supporting units, each supporting unit comprises a telescopic supporting mechanism (21), one end of each telescopic supporting mechanism (21) is connected with the corresponding fixed sleeve (11), and the other end of each telescopic supporting mechanism (21) is connected with an arc-shaped plate (22) used for supporting the well pipe (3).
2. The retractable pipe centralizer of claim 1, wherein the number of the supporting units is two and is respectively located on both sides of the axis of the fixing sleeve (11).
3. The recyclable pipe centralizer as claimed in claim 1, wherein the telescopic support mechanism (21) comprises a connecting rod (211) formed by four rods hinged in sequence, two ends of the connecting rod (211) are fixedly connected with the inner wall of the fixing sleeve (11) and the arc-shaped plate (22) respectively, the bottoms of the two rods at the ends are fixedly provided with limiting plates (212), and the two limiting plates (212) are connected in a sliding manner.
4. The retractable pipe centralizer of claim 1, wherein the telescopic support mechanism (21) comprises a multi-section sleeve (213), two ends of the telescopic support mechanism (21) are fixedly connected with the inner wall of the fixed sleeve (11) and the arc-shaped plate (22), respectively, and a spring for applying an elongation force to the multi-section sleeve (213) is arranged between two adjacent sections of the multi-section sleeve.
5. The retractable duct centralizer of claim 4, wherein the end of the multi-section sleeve (213) connected to the arcuate plate (22) is lower than the end connected to the retaining sleeve (11).
6. The retractable pipe centralizer of claim 4, wherein the multi-section sleeve (213) is horizontally arranged, the top of each of the two sections at the end of the multi-section sleeve (213) is hinged with a pull rod (214), and the ends of the two pull rods (214) far away from the multi-section sleeve (213) are hinged with each other.
7. The retractable pipe centralizer of claim 1, wherein the telescopic support mechanism (21) comprises two fixed connecting rods (215), the two fixed connecting rods (215) are respectively fixedly connected with the inner wall of the fixed sleeve (11) and the arc-shaped plate (22), a plurality of movable connecting rods (216) which are arranged in parallel are arranged between the two fixed connecting rods (215), and two ends of each movable connecting rod (216) are respectively hinged with the two fixed connecting rods (215).
8. The retrievable pipe centralizer according to claim 1, characterised in that the top and/or bottom of the fixing sleeve (11) is provided with a guide structure (12) having a wedge-shaped cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121523885.5U CN215108793U (en) | 2021-07-06 | 2021-07-06 | Recoverable pipeline centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121523885.5U CN215108793U (en) | 2021-07-06 | 2021-07-06 | Recoverable pipeline centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215108793U true CN215108793U (en) | 2021-12-10 |
Family
ID=79313798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121523885.5U Active CN215108793U (en) | 2021-07-06 | 2021-07-06 | Recoverable pipeline centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215108793U (en) |
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2021
- 2021-07-06 CN CN202121523885.5U patent/CN215108793U/en active Active
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