CN217030443U - Pipeline maintenance plugging device suitable for limited space - Google Patents
Pipeline maintenance plugging device suitable for limited space Download PDFInfo
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- CN217030443U CN217030443U CN202220763586.7U CN202220763586U CN217030443U CN 217030443 U CN217030443 U CN 217030443U CN 202220763586 U CN202220763586 U CN 202220763586U CN 217030443 U CN217030443 U CN 217030443U
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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Abstract
The utility model discloses a maintenance and plugging device suitable for a pipeline in a limited space, which comprises a base, a fastening assembly and an upper slip, wherein the base is provided with a clamping groove; the base comprises arc slips, a rib plate group and a bottom plate; the bottom plate, the arc slips and the upper slips are sequentially arranged from bottom to top, and the arc slips and the upper slips can be closed to form a pipe body matched with the pipe section to be repaired and can be connected through a fastening assembly; the rib plate group consists of a plurality of same rib plates which are divided into two parts and are respectively arranged on the two sides of the semicircular arc plate in a vertical arrangement and interval arrangement mode, so that the arc slips are erected on the bottom plate through the rib plate group; an annular groove for arranging an annular sealing ring is formed on the inner cambered surface of the semicircular arc plate of the upper slip and/or the arc slip and surrounds the edge of the inner cambered surface; the device simple structure, the operation of being convenient for is applicable to narrow and small space to can form the good sealed to pipeline leakage department, effectively promote the stability and the reliability of repairing the long-term use of back pipeline.
Description
Technical Field
The utility model relates to the technical field of pipeline repair, in particular to a plugging device suitable for maintaining a pipeline in a limited space.
Background
In the transmission and distribution system of the pipeline under the city, under the influence of various complex factors, the pipelines such as gas pipelines, water pipelines and the like laid underground or installed on the ground have the risk of leakage. With the increasing demand for gas and water in production and living, pipeline laying in cities is increasing, and many people need to pass through narrow areas. The increase of the pipeline mileage causes the pipeline failures to increase, so that the running gas pipeline or water pipeline needs to be repaired, and how to repair and plug the pipeline in a narrow space, particularly in a culvert and other relevant highly restricted areas is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipeline maintenance and plugging device suitable for a limited space, which solves the problem that pipeline maintenance and plugging are performed in a narrow space, particularly in a relative height limited area such as a culvert and the like, which is urgently needed to solve.
Therefore, the technical scheme of the utility model is as follows:
a plugging device suitable for maintaining a pipeline in a limited space comprises a base, a fastening assembly and an upper slip;
the base comprises arc slips, a rib plate group and a bottom plate; the bottom plate is a flat plate which is horizontally arranged, and the arc-shaped slip is composed of a semi-circular arc-shaped plate and connecting plates which are respectively formed by extending outwards along the radial direction from the two end sides of the semi-circular arc-shaped plate; the semicircular arc plate is arranged above the bottom plate in the middle in a mode that the inner arc surface of the semicircular arc plate faces upwards; a plurality of through holes are symmetrically formed in the two connecting plates along the axis direction of the semicircular arc-shaped plate; the rib plate group consists of a plurality of same rib plates which are divided into two parts and are respectively arranged on two sides of the semicircular arc plate in a vertical arrangement and interval arrangement mode and positioned below the two connecting plates, and the rib plates positioned on two sides of the semicircular arc plate are arranged in one-to-one correspondence, so that the semicircular arc plate can be erected on a groove seat formed by the rib plate group; the plurality of rib plates positioned on the same side and the through holes arranged on the connecting plate above the rib plates are arranged in a staggered manner;
the upper slip is composed of a semi-circular arc-shaped plate and connecting plates which are respectively formed by extending outwards from the two end sides of the semi-circular arc-shaped plate along the radial direction, the size of the upper slip is the same as that of the arc-shaped slip, and through holes formed in the two connecting plates are also corresponding to the through holes of the two connecting plates on the arc-shaped slip; the upper slip is arranged above the upper slip in a mode that the outer arc surface of the upper slip faces upwards, so that the upper slip and the arc slip are combined to form a pipe body which is adaptive to the size of the pipe section to be repaired, and the upper slip and the arc slip can be connected through a fastening assembly;
an annular groove for arranging an annular sealing ring is formed in the inner arc surface of the semicircular arc plate of the upper slip and/or the arc slip and surrounds the edge of the inner arc surface; when a leakage point of the pipe section to be repaired is arranged at the top of the pipe section, the annular sealing ring is arranged and fixed in the annular groove of the upper slip; and when the leakage point of the pipe section to be repaired is arranged at the bottom of the pipe section, arranging and fixing the annular sealing ring in the annular groove of the arc-shaped slip.
Furthermore, the rib plate is a trapezoidal plate, the bottom edge of the rib plate is fixed on the bottom plate, the bevel edge side of the rib plate faces the semi-circular arc plate and is provided with an arc groove matched with the outer wall of the semi-circular arc plate, and the rib plate group forms a groove seat matched with the semi-circular arc plate.
Furthermore, the base also comprises a traction lug plate group which is composed of two traction lug plates; the two drawing lug plates are symmetrically arranged and are welded and fixed on the outer side surfaces of the two rib plates positioned at the end part in the rib plate group in the middle.
Furthermore, the fastening assembly comprises a plurality of full-thread screw rods, and the number of the full-thread screw rods is consistent with that of the through holes in the arc-shaped slip connecting plate; each full-thread screw rod is provided with two locking nuts and two anti-loose nuts which are matched with the full-thread screw rod.
Furthermore, the outer diameter of the full-thread screw rod is matched with the aperture of the through hole in the connecting plate, and the length of the full-thread screw rod is slightly larger than the diameter of the pipeline to be repaired.
Furthermore, a plurality of triangular rib plates are welded and fixed between each side connecting plate of the upper slip and the outer wall of the adjacent side semicircular arc plate along the axis direction of the semicircular arc plate at intervals.
Furthermore, this be applicable to finite space pipeline maintenance plugging device still includes the support cardboard group that constitutes by the same support cardboard of a plurality of, every support cardboard is the rectangular plate that the through-hole was seted up to the center, and its size suits with fastening component's size, makes a plurality of support cardboard equally divide into two parts and set up under the state between the arc slips connecting plate of homonymy and last slips connecting plate with vertical setting and interval arrangement's mode, and fastening component still can be connected to closing ground slips and arc slips.
Compared with the prior art, the pipeline maintenance and plugging device suitable for the limited space is simple in structure and convenient to operate, the contact area of the maintenance and plugging device to the ground is effectively increased through the base provided with the bottom plate, the whole device can be moved to a position where a pipeline needs to be repaired from a narrow space through sliding, and the problem that maintenance and construction cannot be carried out due to the fact that hoisting equipment cannot be applied in the narrow space is avoided; meanwhile, the upper slips are tightened through the fastening assembly to enable the annular sealing ring to be tightly attached to the outside of the pipeline, and good sealing of the leakage position of the pipeline is formed through uniform and continuous tightening in the circumferential direction of the pipeline; the problem that the maintenance operation of the pipeline in the limited space can not be carried out is effectively solved, the good sealing performance of the leakage part of the pipeline is guaranteed through the cooperation of fastening and sealing parts, and the stability and the reliability of the pipeline after repair in long-term use are improved.
Drawings
Fig. 1 is a schematic perspective view of a pipeline to be repaired using the plugging device for repairing a pipeline in a limited space according to the present invention;
fig. 2 is a radial sectional view of the pipe to be repaired with the pipe repair plugging device for limited space of the utility model;
FIG. 3 is a schematic structural diagram of a base of the limited space pipeline maintenance plugging device, which is suitable for the utility model;
fig. 4 is a schematic structural view of the limited space pipeline maintenance plugging device of the present invention in a state of being pulled to a leakage point by a template when the device is used for a pipeline to be repaired.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, which are not intended to limit the utility model in any way.
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1, the plugging device 1 suitable for the limited space pipeline maintenance comprises a base 11, a fastening assembly 12, an upper slip 13, an annular sealing ring 14 and a supporting clip plate group 15; wherein,
the base 11 is a base type structure manufactured by steel plates and used for arranging the pipe section 2 to be repaired; specifically, the base 11 is composed of an arc slip 111, a rib plate group 112, a pulling lug plate group 113 and a bottom plate 114; in particular, the amount of the solvent to be used,
the bottom plate 114 is a flat plate horizontally arranged, and the arc slips 111 are centrally arranged above the bottom plate 114;
the arc slip 111 is composed of a semi-circular arc plate which is formed by rolling and processing a steel plate and connecting plates which are respectively formed by extending outwards along the radial direction from the two end sides of the semi-circular arc plate; the semicircular arc-shaped plate is arranged in a mode that the inner arc surface of the semicircular arc-shaped plate faces upwards; four through holes are symmetrically formed in the two connecting plates along the axis direction of the semicircular arc-shaped plate; an annular groove for arranging an annular sealing ring 14 is formed on the inner arc surface of the semicircular arc plate around the edge of the inner arc surface;
the rib plate group 112 is composed of ten same rib plates, which are divided into two parts, are respectively arranged on two sides of the semicircular arc plate in a vertical arrangement and interval arrangement mode and are positioned below the two connecting plates, and the plurality of rib plates and through holes arranged on the connecting plates above the rib plates are arranged in a staggered mode; specifically, the rib plate is a trapezoidal steel plate formed by cutting and processing a steel plate, the bottom edge of the rib plate is welded and fixed on the bottom plate 114, the bevel edge side of the rib plate faces the semicircular plate, and an arc-shaped groove matched with the outer wall of the semicircular plate is processed; the rib plates positioned at the two sides of the semicircular arc plate are arranged in a one-to-one correspondence manner, so that the semicircular arc plate can be arranged on a groove seat formed by the rib plate groups 112, and the outer cambered surface of the semicircular arc plate is welded and fixed on the groove seat;
the pulling lug plate group 113 is composed of two pulling lug plates which are symmetrically arranged and are welded and fixed on the outer side surfaces of the two rib plates positioned at the end part in the rib plate group 112 in the middle; the pulling lug plate group 113 is manufactured by cutting and processing a steel plate; the pulling lug group 113 is used for moving along the axial direction of the pipe body to be repaired through a sling pulling device until reaching the position of a leakage point of the pipe body;
the upper slip 13 is composed of a semi-circular arc plate which is formed by rolling and processing a steel plate and connecting plates which are respectively formed by extending outwards along the radial direction from the two end sides of the semi-circular arc plate, the size of the upper slip is the same as that of the arc slip 111, and four through holes are symmetrically formed in the two connecting plates along the axial direction of the semi-circular arc plate; the upper slip 13 is arranged above the upper slip 13 in a mode that the outer arc surface of the upper slip is upward, so that the upper slip 13 and the arc slip 111 are just matched to form a pipe body structure which is adaptive to the size of the pipe section to be repaired, and the upper slip and the arc slip can be fastened and connected through the fastening assembly 12; an annular groove for arranging an annular sealing ring 14 is formed on the inner arc surface of the semicircular arc plate around the edge of the inner arc surface;
the fastening assembly 12 consists of eight full-thread screw rods, eight pairs of locking nuts and eight pairs of anti-loosening nuts which are matched with the full-thread screw rods; the outer diameter of the full-thread screw rod is matched with the aperture of the through hole on the connecting plate, and the length of the full-thread screw rod is slightly larger than the diameter of the pipeline 2 to be repaired; during the use, every full-thread lead screw cartridge is in last slips 13 and the corresponding through-hole of arc slips 111, then rotates two loosening nuts on the full-thread lead screw of threaded connection to support on the connecting plate lower surface of arc slips 111, and two lock nut on the full-thread lead screw of threaded connection rotate to press and join in marriage on the connecting plate upper surface of last slips 13.
As a preferred technical solution of this embodiment, a plurality of triangular rib plates are welded and fixed between each side connecting plate of the upper slip 13 and the outer wall of the adjacent side semi-circular arc plate along the axial direction of the semi-circular arc plate at intervals.
As shown in fig. 4, the support card group 15 is composed of six identical support cards; each supporting clamping plate is a rectangular plate with a through hole in the center, so that the supporting clamping plates can be conveniently detached manually or by using a tool hook after being used, and meanwhile, the weight of the supporting clamping plates can be reduced, and the influence caused by overweight of the supporting clamping plates can be avoided; in addition, the size of the supporting clamping plates is matched with that of the fastening assembly 12, so that the supporting clamping plates are divided into two parts and are arranged between the arc-shaped slip 111 connecting plate and the upper slip 13 connecting plate on the same side in a vertical arrangement and interval arrangement mode, and the full-thread screw rods arranged in the through holes of the connecting plates can still be connected with the arc-shaped slip 111 through the two locking nuts and the two loosening nuts matched with the full-thread screw rods.
Referring to fig. 1 to 4, the working principle of the plugging device 1 suitable for repairing a pipeline in a limited space is as follows:
firstly, comprehensively determining the form of a maintenance plugging device 1 according to the specification and size, the characteristics of a conveying medium, the pressure and the like of a pipe section 2 to be repaired, and completing the design and manufacture of a base 11 and an upper slip 13 and the manufacture of a supporting clamping plate; determining a leakage point of the pipe section 2 to be repaired, externally cleaning the pipeline at the leakage point, and paving a template between the farthest covering position of the hoisting equipment and the final installation position so as to facilitate the movement of the follow-up maintenance plugging device 1;
based on the fact that a leakage point of the pipe section 2 to be repaired is located on the upper portion of the pipeline, an annular sealing ring 14 is arranged and fixedly bonded in an annular groove formed in the inner arc surface of an upper slip 13, a fastening assembly 12 is hoisted to a pre-paved template at a certain distance below the pipe section 2 to be repaired, a lead screw of the fastening assembly 12 is inserted, meanwhile, a locking nut and a locknut below the fastening assembly are screwed in a certain distance in advance, the upper slip 13 provided with the annular sealing ring 14 is hoisted to the upper portion of a base 11, the fastening assembly 12 is sleeved in through a flange hole, a supporting clamping plate is placed between the base 11 and the outer side of the upper slip 13, the locking nut and the locknut on the upper portion of the upper slip 13 are installed in advance in a certain distance, and the base 11 and the upper slip 13 are sleeved outside the pipe section 2 to be repaired;
pulling and drawing the lug seat 113 along the template through a rope, enabling the maintenance plugging device 1 to gradually move to a position needing maintenance and installation along the pipe section 2 to be repaired, gradually withdrawing the lower supports of the template and the like after alignment, loosening the nut at the upper part of the upper slip 13, withdrawing the support clamping plate, fastening the upper locking nut and the lower locking nut of the fastening assembly 12, tightening the upper slip 13 through the fastening assembly 12 to extrude the annular sealing ring 14 to be attached to the outside of the pipeline of the pipe section 2 to be repaired to form good sealing, and at the moment, the outside of the leakage point of the pipe section 2 is just plugged by a closed space formed among the side wall of the pipe section 2, the upper slip 13 and the annular sealing ring 14, so that the maintenance of the leakage point of the pipeline is realized; then, all the supporting clamping plates are pulled out, and the locking nut and the locknut are sequentially screwed on the full-thread screw rod; and finally, performing external backfilling or protection to finish construction.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. 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 (7)
1. The utility model provides a be applicable to confined space pipeline maintenance plugging device which characterized in that, includes base (11), fastening components (12) and upper slips (13); wherein,
the base (11) comprises arc slips (111), a rib plate group (112) and a bottom plate (114); the bottom plate (114) is a flat plate which is horizontally arranged, and the arc slip (111) is composed of a semi-circular arc plate and connecting plates which are respectively formed by extending outwards along the radial direction from the two end sides of the semi-circular arc plate; the semicircular arc plate is arranged above the bottom plate (114) in a centered manner in such a way that the inner arc surface of the semicircular arc plate faces upwards; a plurality of through holes are symmetrically formed in the two connecting plates along the axis direction of the semicircular arc-shaped plate; the rib plate group (112) is composed of a plurality of same rib plates, the rib plates are divided into two parts and are respectively arranged on two sides of the semicircular arc plate in a vertical arrangement and interval arrangement mode and are positioned below the two connecting plates, and the rib plates positioned on two sides of the semicircular arc plate are arranged in one-to-one correspondence, so that the semicircular arc plate can be erected on a groove seat formed by the rib plate group (112); the plurality of rib plates positioned on the same side and the through holes formed on the connecting plate above the rib plates are arranged in a staggered manner;
the upper slip (13) is composed of a semi-circular arc-shaped plate and connecting plates which are respectively formed by extending outwards along the radial direction from the two end sides of the semi-circular arc-shaped plate, the size of the upper slip is the same as that of the arc-shaped slip (111), and through holes arranged on the two connecting plates are also corresponding to through holes of the two connecting plates on the arc-shaped slip (111); the upper slip (13) is arranged above the upper slip (13) in a mode that the outer arc surface of the upper slip faces upwards, the upper slip (13) and the arc slip (111) are combined to form a pipe body which is adaptive to the size of a pipe section to be repaired, the pipe body and the pipe body can be connected through a fastening assembly (12), and an annular groove for arranging an annular sealing ring (14) is formed in the inner arc surface of the semicircular arc plate of the upper slip (13) and/or the arc slip (111) and surrounds the edge of the inner arc surface.
2. The device for repairing and plugging a pipeline in a limited space according to claim 1, wherein the rib plates are trapezoidal plates, the bottom edges of the rib plates are fixed on the bottom plate (114), the inclined edge sides of the rib plates are arranged towards the semicircular arc plates and are provided with arc-shaped grooves matched with the outer walls of the semicircular arc plates, so that the rib plate group (112) forms a groove seat matched with the semicircular arc plates.
3. The device for repairing and plugging a pipeline in a limited space according to claim 1, wherein the base (11) further comprises a group of pulling lugs (113) consisting of two pulling lugs; the two drawing ear plates are symmetrically arranged and are welded and fixed on the outer side surfaces of the two rib plates positioned at the end part in the rib plate group (112) in the middle.
4. The limited space pipeline maintenance plugging device according to claim 1, wherein the fastening assembly (12) comprises a plurality of full thread screws, the number of the full thread screws is consistent with the number of the through holes on the connecting plate of the arc-shaped slips (111); each full-thread screw rod is provided with two locking nuts and two locknuts which are matched with the full-thread screw rod.
5. The plugging device for repairing limited-space pipelines according to claim 4, wherein the outer diameter of the full-thread lead screw is adapted to the aperture of the through hole on the connecting plate, and the length of the full-thread lead screw is slightly larger than the diameter of the pipeline (2) to be repaired.
6. The limited space pipeline maintenance plugging device according to claim 1, wherein a plurality of triangular rib plates are welded and fixed between each side connecting plate of the upper slip (13) and the outer wall of the adjacent side semi-circular arc plate along the axial direction of the semi-circular arc plate at intervals.
7. The device suitable for repairing and plugging a pipeline in a limited space according to claim 1, further comprising a supporting clamping plate group (15) consisting of a plurality of same supporting clamping plates, wherein each supporting clamping plate is a rectangular plate with a through hole at the center, and the size of the supporting clamping plate is matched with that of the fastening assembly (12), so that the plurality of supporting clamping plates are equally divided into two parts and are arranged between the connecting plate of the arc slips (111) and the connecting plate of the upper slips (13) at the same side in a vertical arrangement and interval arrangement mode, and the fastening assembly (12) can still connect the closed upper slips (13) and the arc slips (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220763586.7U CN217030443U (en) | 2022-04-02 | 2022-04-02 | Pipeline maintenance plugging device suitable for limited space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220763586.7U CN217030443U (en) | 2022-04-02 | 2022-04-02 | Pipeline maintenance plugging device suitable for limited space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217030443U true CN217030443U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220763586.7U Active CN217030443U (en) | 2022-04-02 | 2022-04-02 | Pipeline maintenance plugging device suitable for limited space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217030443U (en) |
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- 2022-04-02 CN CN202220763586.7U patent/CN217030443U/en active Active
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