Large sewage pipeline partition device

By using a partition structure of inflatable airbags and movable inserts in large sewage pipes, combined with support structures and water pumping equipment, the problem of repairing and cleaning of sewage pipes under continuous pipe construction is solved, and effective water flow cutoff and water accumulation cleaning is achieved.

CN119532550AInactive Publication Date: 2025-02-28BEIJING CHAOYANG WATER CONSERVANCY ENG CO
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Patent Information

Application Number
CN202411566930.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-02-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Without conducting pipe breakage construction, it becomes difficult to repair and clean large sewage pipes, and it is difficult to effectively cut off the flow and extract the accumulated water in the pipes in the prior art.

Method used

The partition structure is adopted that includes an inflatable airbag and a movable insert plate. The partition structure is fixed in the pipe through a support structure, the water flow is cut off by an inflatable airbag, and the accumulated water is cleaned through the water pumping equipment.

Benefits of technology

It realizes effective maintenance and cleaning of large sewage pipes under continuous construction, improving the convenience and safety of workers in the pipeline.

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Abstract

The invention relates to a large sewage pipeline partition device. The large sewage pipeline partition device comprises a partition structure and a supporting structure. The partition structure comprises an inflatable air bag and a movable inserting plate, the supporting structure comprises a top supporting piece and an inclined supporting piece which are arranged on the side, away from the movable inserting plate, of the inflatable air bag, and the upper end and the lower end of the top supporting piece are used for abutting against the top point and the bottom point of the pipeline; the inflatable air bag comprises an arc-shaped attaching face attached to the inner wall of the pipeline and a top face, a distance exists between the top face and the vertex of the pipeline, the movable inserting plate is consistent with the inflatable air bag in shape, and the movable inserting plate is formed by combining a plurality of unit inserting plates arranged in parallel. The multiple unit insertion plates are movably connected so that the movable insertion plates can be in a folded state and an unfolded state, containing grooves are formed in the sides, facing the inflatable air bag, of the two unit insertion plates located on the two sides, and the containing grooves are used for containing the inflatable air bag and the supporting structure after the inflatable air bag is deflated. The pipeline has the effect of conveniently cutting off water flow in the pipeline for maintenance.
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Description

Technical Field

[0001] The present application relates to the field of pipeline sewage isolation equipment, and in particular to a large-scale sewage pipeline isolation device. Background Art

[0002] Large sewage pipes are generally pipes with an inner diameter of 80 cm to more than 1 meter, and workers can directly enter the pipes to work. When a large sewage pipe needs to be cleaned or repaired, and there is still water flowing in the pipe, it is necessary to first cut off the water in the pipe and cut off the upstream water and downstream drainage. Then the water in the pipe is pumped out to facilitate workers to repair or clean it. However, pipe cutting construction or circuit breaking construction is currently not allowed, making repair and cleaning in the pipe more difficult. Summary of the invention

[0003] In order to repair and clean the pipeline without cutting off the pipe, the present application provides a large sewage pipe partition device.

[0004] The present application provides a large-scale sewage pipe partition device which adopts the following technical solution:.

[0005] A large sewage pipe partition device comprises a partition structure and a supporting structure connected to the partition structure; The partition structure includes an inflatable airbag and a movable plug plate arranged on one side of the inflatable airbag, and the support structure includes a top support member arranged on a side of the inflatable airbag away from the movable plug plate and an oblique support member connected to the top support member, and the upper and lower ends of the top support member are used to abut against the top and bottom points of the pipeline; The inflatable airbag includes an arc-shaped fitting surface and a top surface that fit with the inner wall of the pipe. There is a gap between the top surface and the vertex of the pipe. The movable plug plate is consistent with the shape of the inflatable airbag. The movable plug plate is composed of a plurality of unit plug plates arranged in parallel. The movable connection between the plurality of unit plug plates enables the movable plug plate to have a folded state and an unfolded state. The top support member is rotatably connected to the inflatable airbag. The two unit plug plates at the upper and lower ends are provided with a receiving groove on one side facing the inflatable airbag. The receiving groove is used to accommodate the inflatable airbag and the supporting structure after the inflatable airbag is deflated.

[0006] By adopting the above technical scheme, during maintenance / cleaning construction, the workers carry the large-scale sewage pipe partition device of the present application and enter the pipe through the pipe well. At this time, the large-scale sewage pipe partition device of the present application is in a folded state, the movable plug plate is folded and the supporting structure is stored in the receiving groove of the movable plug plate; when the workers enter the pipe, they unfold the movable plug plate, take out the inflatable airbag and the supporting structure from the receiving groove, then inflate the inflatable airbag, unfold the top support and the diagonal support, and then open them so that the partition structure is placed in the pipe, which is used to cut off the water flow, and use pumping equipment to pump out the accumulated water in the maintenance / cleaning section; the partition structure adopts a semicircular inflatable airbag + movable plug plate, which is more convenient to carry on the basis of ensuring the strength and supporting performance of the partition structure, and the top support and the diagonal support are arranged to facilitate fixing the partition structure in the pipe.

[0007] Preferably, the top support member includes a vertical top support rod and a transverse top support rod, which are vertically arranged and intersect at one point. There are two vertical top support rods and two transverse top support rods, and the vertical top support rod / the transverse top support rod can rotate around the connection point with the inflatable airbag.

[0008] By adopting the above technical solution, the vertical top support rod and the horizontal top support rod can rotate around their connection points with the inflatable airbag, so that when maintenance is completed, the vertical top support rod and the horizontal top support rod can be rotated around their intersection for easy storage.

[0009] Preferably, a rotating shaft is installed in the middle and upper part of the inflatable airbag, and the ends of the vertical supporting rod and the horizontal supporting rod are provided with a ring sleeved on the rotating shaft, and a nut for tightening and fixing the ring is threadedly connected on the rotating shaft.

[0010] By adopting the above technical solution, by setting rings at the ends of the vertical top support rod and the horizontal top support rod, it is convenient for them to rotate around the rotating axis. The locking nut makes the nut press against the ring to fix the position of the vertical top support rod and the horizontal top support rod.

[0011] Preferably, a connecting cross bar is further installed on the inflatable airbag, and the diagonal support member includes two diagonal support bars arranged in parallel, and the diagonal support bars are hingedly arranged on the connecting cross bar.

[0012] By adopting the above technical solution and arranging a hinged connection between the cross bar and the diagonal support rod, it is easy to realize the opening and storage of the diagonal support rod.

[0013] Preferably, both ends of the transverse top support rod and the vertical top support rod are provided with sealing rubber pads for maintaining a seal with the inner wall of the pipe, and the sealing rubber pad is also provided at one end of the diagonal support member away from the top support member.

[0014] By adopting the above technical solution, sealing pads are arranged at the ends of the vertical top support rod and the horizontal top support rod that contact the inner wall of the pipeline, so as to ensure the sealing between them and the inner wall of the pipeline and prevent water leakage.

[0015] Preferably, the vertical top support rod and the horizontal top support rod both include a telescopic section and an abutment section, the telescopic section includes an outer sleeve and an inner sleeve slidably arranged in the outer sleeve, the outer sleeve and the inner sleeve are locked by a locking structure, and the abutment section is provided with a telescopic part that can be telescoped along its length direction.

[0016] By adopting the above technical solution, the inner sleeve is slidably arranged in the outer sleeve to adjust the length of the vertical top support rod and the horizontal top support rod according to the diameter of the pipeline, so as to adapt to the use of various pipelines. A telescopic part is arranged in the abutment section to ensure that there is sufficient abutment force between the vertical top support rod and the horizontal top support rod and the inner wall of the pipeline to avoid water leakage.

[0017] Preferably, the abutment section is a tube slidably disposed in the inner sleeve and sealed at one end, a mounting plate is provided at the end of the inner sleeve, and the telescopic member is a telescopic spring fixed between the mounting plate and the top plate of the abutment section.

[0018] By adopting the above technical solution, by squeezing the telescopic spring, sufficient contact force is maintained between the vertical top support rod and the horizontal top support rod and the inner wall of the pipeline to avoid water leakage.

[0019] Preferably, the inflatable airbag is semicircular.

[0020] By adopting the above technical solution, the inflatable airbag is fitted with the arc-shaped inner wall of the pipe, thereby avoiding water leakage during water isolation.

[0021] Preferably, three unit plug plates are vertically arranged, and the three unit plug plates are semicircular when unfolded, and the three adjacent unit plug plates are hinged by hinges, and the sum of the widths of the two unit plug plates at both ends is consistent with the width of the unit plug plate in the middle, and the accommodating grooves are opened on the inner sides of the two unit plug plates at both ends.

[0022] By adopting the above technical solution, when storing, the inflatable airbag is deflated, the vertical top support rod and the horizontal top support rod are rotated so that the two are overlapped in a straight line, and then the diagonal support rod is stored, and the entire supporting structure and the inflatable airbag are stored in the accommodating groove, thereby improving the portability of the partition device of the present application.

[0023] Preferably, a locking knob is installed on the unit plug board at either end, and the locking knob is used to rotate and lock the outer sides of the two unit plug boards at both ends when the movable plug board is in a folded state.

[0024] By adopting the technical solution, the positions of the two unit plug boards on both sides can be locked after storage, making it easy to store and carry.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. This application sets an inflatable airbag and a hard movable plug plate as a partition structure to cut off the accumulated water in the maintenance section pipeline and pump it out, and sets a support structure to fix the partition structure at a set position in the pipeline, so as to facilitate workers to carry out maintenance and cleaning in the maintenance section; 2. By setting the vertical top support rod and the horizontal top support rod to be freely telescopic and adjustable, it is convenient to adjust according to different pipe diameters to adapt to the use of different pipes; 3. By arranging telescopic parts at the ends of the vertical top support rods and the horizontal top support rods, it is convenient to ensure that there is always a close contact force between the vertical top support rods and the horizontal top support rods and the inner wall of the pipe when they contact with the inner wall of the pipe, so as to avoid water seepage. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the installation of a large sewage pipe partition device in a sewage pipe according to the present application.

[0027] Figure 2 This is an axonometric view of a large sewage pipe partition device in the sewage pipe of the present application.

[0028] Figure 3 It is a cross-sectional schematic diagram of the support structure of the present application.

[0029] Figure 4 This is a cross-sectional schematic diagram for illustrating the accommodation groove in the partition structure of the present application.

[0030] Explanation of the reference numerals in the accompanying drawings: 01, partition structure; 02, supporting structure; 1, inflatable airbag; 2, movable plug plate; 21, unit plug plate; 22, receiving groove; 3, locking knob; 4, top support member; 41, vertical top support rod; 42, horizontal top support rod; 43, rotating shaft; 44, collar; 45, nut; 5, diagonal support member; 51, diagonal support rod; 52, connecting cross bar; 6, sealing pad; 7, outer sleeve; 8, inner sleeve; 9, abutment section; 10, telescopic member; 101, telescopic spring. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The present application embodiment discloses a large sewage pipe partition device. Figure 1-Figure 4 The large sewage pipe partition device includes a partition structure 01 and a support structure 02 connected to the partition structure 01.

[0033] The partition structure 01 includes an inflatable airbag 1 and an active flapper 2 disposed on one side of the inflatable airbag 1. The active flapper 2 is disposed on the water-facing side and provides rigid support for the inflatable airbag 1. The support structure 02 is used to support the pipe to fix the position of the partition structure 01 to prevent it from being washed away when water accumulates in the partition pipe. The support structure 02 includes a top support member 4 disposed on the side of the inflatable airbag 1 away from the active flapper 2 and an oblique support member 5 connected to the top support member 4. The upper and lower ends of the top support member 4 are used to abut the top and bottom points of the pipe.

[0034] The inflatable airbag 1 includes an arc-shaped fitting surface and a top surface that fits the inner wall of the pipe. There is a distance between the top surface and the vertex of the pipe to facilitate the drainage of the accumulated water in the pipe. This application takes the inflatable airbag 1 as a semicircular shape as an example to ensure that the inflatable airbag 1 fits the inner wall of the pipe.

[0035] The movable plug plate 2 is consistent with the shape of the inflatable airbag 1, and is composed of a plurality of unit plug plates 21 arranged in parallel. The movable connection between the plurality of unit plug plates 21 enables the movable plug plate 2 to have a folded state and an unfolded state. The two unit plug plates 21 located on both sides are provided with a receiving groove 22 on one side facing the inflatable airbag 1, and the receiving groove 22 is used to receive the inflatable airbag 1 and the supporting structure 02 after the inflatable airbag 1 is deflated. It is convenient to unfold when in use and to store after maintenance is completed, thereby improving the portability of the large sewage pipe partition device of the present application.

[0036] Specifically, the present application has three unit plug plates 21 arranged vertically, and the three unit plug plates 21 are semicircular in the unfolded state. The three adjacent unit plug plates 21 are hinged by hinges, and the sum of the widths of the two unit plug plates 21 at the two ends is consistent with the width of the unit plug plate 21 at the middle, and the receiving groove 22 is provided on the inner side of the two unit plug plates 21 at the two ends. When storing, the inflatable airbag 1 is deflated, and the vertical top support rod 41 and the horizontal top support rod 42 are rotated so that the two are overlapped in a straight line, and then the diagonal support rod 51 is stored, and the supporting structure 02 as a whole and the inflatable airbag 1 are stored in the receiving groove 22, so as to improve the portability of the partition device of the present application.

[0037] Preferably, a locking knob 3 is installed on the unit plug board 21 at either end, and the locking knob 3 is used to rotate and lock the outer sides of the two unit plug boards 21 at both ends when the movable plug board 2 is in a folded state. It is convenient to lock the positions of the two unit plug boards 21 on both sides after storage, which is convenient for storage and carrying.

[0038] The top support member 4 is rotatably connected to the inflatable airbag 1. The top support member 4 includes a vertical top support rod 41 and a horizontal top support rod 42, which are vertically arranged and intersect at one point. Two vertical top support rods 41 and two horizontal top support rods 42 are provided. The vertical top support rods 41 / the horizontal top support rods 42 can rotate around the connection points with the inflatable airbag for easy storage. Specifically, a rotating shaft 43 is installed in the middle and upper part of the inflatable airbag 1, and the ends of the vertical top support rods 41 and the horizontal top support rods 42 are provided with collars 44 sleeved on the rotating shaft 43. The rotating shaft 43 is threadedly connected with a nut 45 for tightening and fixing the collar 44. The diagonal support member 5 is also rotatably arranged on the side of the inflatable airbag 1 away from the movable plug plate 2. Specifically, the inflatable airbag 1 is further provided with a connecting cross bar 52, and the diagonal support member 5 includes two parallel diagonal support rods 51, and the diagonal support rods 51 are hingedly provided on the connecting cross bar 52. When folded, the diagonal support rods 51 are rotated around the hinge point between the diagonal support rods 51 and the connecting cross bar 52, and the nuts 45 are screwed outward to rotate the vertical top support rods 41 and the horizontal top support rods 42, so that the vertical top support rods 41 and the horizontal top support rods 42 are overlapped on the same vertical straight line.

[0039] In order to improve the sealing between the supporting structure 02 and the inner wall of the pipe, both ends of the transverse top support rod 42 and the vertical top support rod 41 are provided with sealing pads 6 for maintaining sealing with the inner wall of the pipe, and the end of the diagonal support member 5 away from the top support member 4 is also provided with a sealing pad 6.

[0040] In addition, in order to adapt to the use of different pipelines, the length of the top support member 4 and the diagonal support member 5 can be freely adjusted. In the present application, the vertical top support rod 41 and the horizontal top support rod 42 both include a telescopic section and an abutment section 9. The telescopic section includes an outer sleeve 7 and an inner sleeve 8 slidably arranged in the outer sleeve 7, and the outer sleeve 7 and the inner sleeve 8 are locked by a locking structure. The locking structure can be a threaded locking structure, etc. A telescopic member 10 that can be telescoped along its length direction is provided in the abutment section 9 to ensure that the vertical top support rod 41 and the horizontal top support rod 42 maintain a tight abutment force with the inner wall of the pipeline. The abutment section 9 is a tubular shape with one end sealed and slidably arranged in the inner sleeve 8. A mounting plate is provided at the end of the inner sleeve 8, and the telescopic member 10 is a telescopic spring 101 fixed between the mounting plate and the top plate of the abutment section 9.

[0041] The implementation principle of a large sewage pipe partition device in the embodiment of the present application is as follows: during maintenance / cleaning construction, the worker carries the large sewage pipe partition device of the present application and enters the pipe through the pipe well. At this time, the large sewage pipe partition device of the present application is in a folded state, the movable plug plate 2 is folded and the support structure 02 is stored in the receiving groove 22 of the movable plug plate 2. After the worker enters the pipe, the movable plug plate 2 is unfolded, the inflatable airbag 1 and the support structure 02 are taken out from the receiving groove 22, and then the inflatable airbag 1 is inflated, and the top support member 4 and the diagonal support member 5 are unfolded and opened so that the partition structure 01 is placed in the pipe to cut off the water flow, and the accumulated water in the maintenance / cleaning section is pumped out by a pumping device; the partition structure 01 adopts a semicircular inflatable airbag 1 + movable plug plate 2, which is more convenient to carry on the basis of ensuring the strength and support performance of the partition structure 01, and the top support member 4 and the diagonal support member 5 are set to facilitate the fixing of the partition structure 01 in the pipe.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A large sewage pipe partition device, characterized in that: It comprises a partition structure (01) and a support structure (02) connected to the partition structure (01); The partition structure (01) comprises an inflatable airbag (1) and a movable plug plate (2) arranged on one side of the inflatable airbag (1); the support structure (02) comprises a top support member (4) arranged on a side of the inflatable airbag (1) away from the movable plug plate (2) and a diagonal support member (5) connected to the top support member (4); the upper and lower ends of the top support member (4) are used to abut against the top and bottom points of the pipeline; The inflatable airbag (1) comprises an arcuate fitting surface and a top surface that fit with the inner wall of the pipe, and there is a gap between the top surface and the vertex of the pipe. The movable plug plate (2) has the same shape as the inflatable airbag (1). The movable plug plate (2) is composed of a plurality of unit plug plates (21) arranged in parallel. The plurality of unit plug plates (21) are movably connected to each other so that the movable plug plate (2) has a folded state and an unfolded state. The top support member (4) is rotatably connected to the inflatable airbag (1). The two unit plug plates (21) located on both sides are provided with a receiving groove (22) on one side facing the inflatable airbag (1). The receiving groove (22) is used to accommodate the inflatable airbag (1) and the supporting structure (02) after the inflatable airbag (1) is deflated.

2. The large sewage pipe partition device according to claim 1 is characterized in that: The supporting member (4) comprises a vertical supporting rod (41) and a transverse supporting rod (42), which are arranged vertically and intersect at one point. Two vertical supporting rods (41) and two transverse supporting rods (42) are provided. The vertical supporting rod (41) / the transverse supporting rod (42) can rotate around the connection point between the vertical supporting rod (41) and the transverse supporting rod (42) and the inflatable airbag.

3. The large sewage pipe partition device according to claim 2 is characterized in that: A rotating shaft (43) is installed in the middle and upper part of the inflatable airbag (1), and the ends of the vertical supporting rod (41) and the horizontal supporting rod (42) are provided with a sleeve (44) sleeved on the rotating shaft (43), and a nut (45) for tightening and fixing the sleeve (44) is threadedly connected to the rotating shaft (43).

4. The large sewage pipe partition device according to claim 3 is characterized in that: The inflatable airbag (1) is also provided with a connecting crossbar (52), and the diagonal support member (5) comprises two diagonal support rods (51) arranged in parallel, and the diagonal support rods (51) are hingedly arranged on the connecting crossbar (52).

5. The large sewage pipe partition device according to claim 2 is characterized in that: Both ends of the transverse top support rod (42) and the vertical top support rod (41) are provided with sealing rubber pads (6) for maintaining a seal with the inner wall of the pipeline, and the end of the diagonal support member (5) away from the top support member (4) is also provided with the sealing rubber pad (6).

6. The large sewage pipe partition device according to claim 2 is characterized in that: The vertical supporting rod (41) and the horizontal supporting rod (42) both include a telescopic section and an abutting section (9), wherein the telescopic section includes an outer sleeve (7) and an inner sleeve (8) slidably arranged in the outer sleeve (7), wherein the outer sleeve (7) and the inner sleeve (8) are locked by a locking structure, and a telescopic member (10) is arranged in the abutting section (9) and can be telescoped along its length direction.

7. The large sewage pipe partition device according to claim 6 is characterized in that: The abutting section (9) is a tube-shaped tube with one end sealed and slidably arranged in the inner sleeve (8); a mounting plate is arranged at the end of the inner sleeve (8); and the telescopic member (10) is a telescopic spring (101) fixed between the mounting plate and the top plate of the abutting section (9).

8. The large sewage pipe partition device according to claim 1 is characterized in that: The inflatable airbag (1) is semicircular.

9. The large sewage pipe partition device according to claim 1 is characterized in that: Three unit plug plates (21) are vertically arranged, and the three unit plug plates (21) are semicircular in shape when in an unfolded state. The three adjacent unit plug plates (21) are hingedly connected by hinges, and the sum of the widths of the two unit plug plates (21) at the two ends is consistent with the width of the unit plug plate (21) at the middle. The accommodating grooves (22) are arranged on the inner sides of the two unit plug plates (21) at the two ends.

10. The large sewage pipe partition device according to claim 9, characterized in that: A locking knob (3) is installed on the unit plug plate (21) at either end, and the locking knob (3) is used to rotate and lock the outer sides of the two unit plug plates (21) at the two ends when the movable plug plate (2) is in a folded state.