CN210288621U

CN210288621U - Sewage pipeline plugging device

Info

Publication number: CN210288621U
Application number: CN201920574977.2U
Authority: CN
Inventors: 周雅斌; 许玮
Original assignee: Shanghai Municipal Construction Co ltd
Current assignee: Shanghai Municipal Construction Co ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-04-10
Anticipated expiration: 2029-04-25

Abstract

The utility model relates to a sewer line plugging device installs and is used for the shutoff pipeline on the wall of a well of work well, including rubber slab, manger plate steel sheet and the preformed hole pipe that sets gradually, the rubber slab with the wall of a well laminating, be equipped with the first preformed hole that the position corresponds on manger plate steel sheet and the rubber slab respectively, the preformed hole pipe with first preformed hole intercommunication. The utility model utilizes the water retaining steel plate to perform main plugging, combines the rubber plate to perform sealing and water stopping, has better plugging effect, and can ensure the construction safety of the operation area; the reserved hole pipe can realize continuous sewage conveying without completely stopping the conveying of the inlet sewage of a sewage treatment plant; the workload of dismantling at the later stage is small, the workload of the frogman underwater is effectively reduced, and the operation risk is reduced.

Description

Sewage pipeline plugging device

Technical Field

The utility model relates to a construction field especially relates to a sewer line plugging device.

Background

In large-scale sewage treatment engineering, temporary plugging of sewage pipelines is usually required under the conditions of communication access of new and old structures and the like, and during the construction period of communicated cutting and chiseling, the delivery of inlet and outlet sewage of a sewage treatment plant cannot be stopped, namely, water cut-off construction cannot be carried out. The problem that the flow velocity of water flow is large and the like possibly exists in the old structure, so that the difficulty and the potential safety hazard of the previous diving detection work are improved; in the hoisting and installation process of the construction matched equipment, the damage such as object striking, winding, falling, rolling damage and the like to the human body can be caused, and the method is an operation project with very high risk.

The existing plugging method under the non-stop state mainly comprises the following two methods:

1. an air bag underwater plugging method:

the construction method has the characteristics of high speed and convenience in disassembly, but is only suitable for the condition that no water comes from the middle and upstream of the pipeline, the water level does not change after plugging, and the temporary plugging is recommended to be adopted under the condition that the time for plugging is not more than 5 hours.

2. Wall building underwater plugging:

the construction method has the characteristics of high reliability, guarantee for the operation of underground personnel, optimization of long-term plugging, and capability of allowing water to exist at the upstream of the pipeline, but the construction period is longer than the plugging time of the air bag, the solidification period is 12 hours, and frogman underwater crushing is needed during dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sewer line plugging device to solve that the engineering time that current shutoff technique exists is long, the shutoff effect time is short, demolish inconvenient scheduling problem.

For solving the technical problem, the utility model provides a sewer line plugging device installs and is used for the shutoff pipeline on the wall of a well of work well, including rubber slab, manger plate steel sheet and the preformed hole pipe that sets gradually, the rubber slab with the wall of a well laminating, be equipped with the first preformed hole that the position corresponds on manger plate steel sheet and the rubber slab respectively, the preformed hole pipe with first preformed hole intercommunication.

Preferably, second preformed holes corresponding to the positions are respectively formed in the water retaining steel plate and the rubber plate, the reserved bolts are installed on the well wall, and the positions of the second preformed holes correspond to the positions of the reserved bolts.

Preferably, the reserved bolt is an expansion screw.

Preferably, the reserved bolt is a chemical bolt.

Preferably, each of the reserve hole pipes is provided with a reserve hole cover.

Compared with the prior art, the utility model provides a sewer line plugging device has following advantage:

1. according to the method, the water retaining steel plate is used for main plugging, the rubber plate is combined for sealing and stopping water, a large hole can be plugged, the plugging effect is good, and the construction safety of an operation area can be guaranteed;

2. the rubber plate, the water retaining steel plate and the preformed hole pipe can be prefabricated, underwater field manufacturing is not needed, and the working efficiency is greatly improved;

3. the temporary pipeline can be connected through the reserved hole pipe, so that the continuous sewage conveying is realized, and the sewage conveying of the sewage treatment plant is not required to be completely stopped;

4. the workload of dismantling at the later stage is small, the workload of the frogman underwater is effectively reduced, and the operation risk is reduced.

Drawings

Fig. 1 is a schematic structural view of a sewage pipeline plugging device according to an embodiment of the present invention;

fig. 2 is a schematic view of the installation of the sewage pipeline plugging device according to an embodiment of the present invention.

In the figure: 10-a working well, 11-a well wall, 12-a pipeline and 13-a reserved bolt;

20-rubber plate, 21-second preformed hole, 30-water retaining steel plate, 31-nut, 40-preformed hole pipe,

41-reserved hole cover, 42-temporary pipeline.

Detailed Description

In order to describe the technical solution of the above utility model in more detail, the following specific examples are given to demonstrate the technical effects; it should be emphasized that these examples are for illustrative purposes only and are not limiting to the scope of the present invention.

The utility model provides a sewage pipeline plugging device please refer to fig. 1 to combine fig. 2, install and be used for shutoff pipeline 12 on the wall of a well 11 of working well 10, including rubber slab 20, manger plate steel sheet 30 and the preformed hole pipe 40 that sets gradually, rubber slab 20 with the laminating of the wall of a well 11, be equipped with the first preformed hole (not shown in the figure) that the position corresponds on manger plate steel sheet 30 and the rubber slab 20 respectively, preformed hole pipe 40 with first preformed hole intercommunication. The water retaining steel plate 30 is mainly used for plugging, the water retaining steel plate 30 can achieve a plugging effect and reliability similar to those of wall building plugging, and sealing and water stopping are performed by combining the rubber plate 20 to achieve a better plugging effect, so that the construction safety of an operation area is ensured; the temporary pipeline 42 can be connected through the preformed hole pipe 40, so that continuous sewage conveying is realized, the sewage conveying of the sewage treatment plant is not required to be completely stopped, and the normal operation of the sewage treatment plant is not influenced.

In addition, the rubber plate 20 is made of rubber (such as neoprene), the water retaining steel plate 30 and the preformed hole pipe 40 can be made of steel materials, and all the components are made of non-specific materials, so that the manufacturing cost is low and the components are easy to obtain; the water-retaining steel plate 30 and the preformed hole pipe 40 can be integrally formed or can be fixedly connected by welding and other modes after being formed respectively.

Specifically, the rubber plate 20 may be a plate having the same size as the water guard plate 30, or a frame-shaped plate matched with the outer edge of the water guard plate 30 may be used, so that the sealing and water stopping effects can be achieved.

Preferably, with continuing reference to fig. 1 and fig. 2, second reserved holes 21 corresponding to the positions are respectively formed in the water-blocking steel plate 30 and the rubber plate 20, the reserved bolts 13 are installed on the well wall 11, and the positions of the second reserved holes 21 correspond to the positions of the reserved bolts 13. When the water retaining device is installed, the rubber plate 20 and the water retaining steel plate 30 can sequentially penetrate through the reserved bolt 13, and then the rubber plate, the reserved bolt and the water retaining steel plate are fixedly connected through the nut 31.

Preferably, the reserved bolt 31 can adopt an expansion screw, and a better fixing effect is achieved by using a friction force generated by expansion; chemical bolts can also be adopted, and the fixing effect is improved by utilizing the solidification of liquid medicine in the medicine tube in the mounting holes.

Preferably, with continued reference to fig. 1, each of the preformed hole pipes 40 is equipped with a preformed hole cover 41, and the preformed hole pipe 40 is plugged by the preformed hole cover 41 when the temporary pipeline 42 is not required to be connected.

With continuing reference to fig. 1 and 2, the construction method of the sewage pipeline plugging device provided by the present invention is as follows:

s1: according to the size of the pipeline 12 to be plugged, the rubber plate 20, the water retaining steel plate 30 and the preformed hole pipe 40 which are matched are prefabricated, and the rubber plate 20, the water retaining steel plate 30 and the preformed hole pipe 40 are prefabricated, so that underwater field manufacturing is not needed, the working efficiency is greatly improved, and matched parts can be manufactured according to the size of the pipeline 12 to be plugged, so that the method can be suitable for plugging a larger hole without influencing the plugging effect;

s2: during installation, will the reservation bolt 13 that sets up on the wall of a well 11 of working well 10 passes rubber slab 20 and manger plate steel sheet 30 in proper order, will through a nut 31 (hexagon nut) rubber slab 20 and manger plate steel sheet 30 fixed mounting in on the wall of a well 11, in this embodiment, this step embodiment is as follows: firstly, the reserved bolt 13 on the well wall 11 penetrates into the second reserved hole 21 on the rubber plate 20, then the water retaining steel plate 30 is hung into the corresponding position, after the installation position of the water retaining steel plate 30 is adjusted, the hexagonal nut is screwed in, leakage-free connection of the steel plate plugging position is achieved, and of course, a gasket can be sleeved on the reserved bolt 13 before the hexagonal nut is screwed in, so that the hexagonal nut is prevented from falling off. In the installation process, a diver can also communicate through a wired/wireless interphone to report the installation condition in time. After the installation is in place, connection construction of a new and old structure is carried out (as shown in fig. 2), and connection switching of a new and old system is carried out after the structure construction is accepted;

s3: when the water retaining steel plate is disassembled, the nut 31 is disassembled to complete the disassembly of the water retaining steel plate 30 and the rubber plate 20, so that the disassembly workload is greatly reduced, the workload of frogmans underwater is effectively reduced, and the operation risk is reduced.

By adopting the method, the smooth switching of the communication access of the new and old systems of the sewage treatment system can be realized, the butt-joint communication of the structural engineering connection and the new and old operation systems is realized in a non-stop state, the construction safety in the switching process and the normal operation of the old sewage treatment system are not influenced, the construction time can be shortened, and the switching speed can be increased.

Preferably, before step S2, a step of leveling the well wall 11 is further included, for example, a step of cleaning the well wall 11 at a position where the rubber plate 20 is pre-installed, so as to facilitate the subsequent installation of the rubber plate 20 and improve the sealing effect.

Preferably, the step of arranging the reserved bolt 13 on the wall 11 of the working well 10 comprises: and drilling a mounting hole by using an underwater pneumatic drilling machine according to the mounting position of the rubber plate 20, and then fixedly mounting the reserved bolt 13 in the mounting hole.

To sum up, the utility model provides a sewage pipeline plugging device, the device install and be used for shutoff pipeline 12 on the wall of a well 11 of working well 10, including rubber slab 20, manger plate steel sheet 30 and the preformed hole pipe 40 that sets gradually, rubber slab 20 with the laminating of the wall of a well 11, be equipped with the first preformed hole that the position corresponds on manger plate steel sheet 30 and the rubber slab 20 respectively, preformed hole pipe 40 with first preformed hole intercommunication. The utility model utilizes the water retaining steel plate 30 to perform main plugging, combines the rubber plate 20 to perform sealing and water stopping, has better plugging effect, and can ensure the construction safety of the operation area; the reserved hole pipe 40 can realize continuous sewage conveying without completely stopping the conveying of the inlet sewage of a sewage treatment plant; the workload of dismantling at the later stage is small, the workload of the frogman underwater is effectively reduced, and the operation risk is reduced.

It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a sewer line plugging device installs and is used for the shutoff pipeline on the wall of a well of working well, a serial communication port, including the rubber slab, manger plate steel sheet and the preformed hole pipe that set gradually, the rubber slab with the wall of a well laminating, be equipped with the first preformed hole that the position corresponds on manger plate steel sheet and the rubber slab respectively, the preformed hole pipe with first preformed hole intercommunication.

2. The sewer plugging device of claim 1, wherein the water-retaining steel plate and the rubber plate are respectively provided with a second reserved hole corresponding to the position of the water-retaining steel plate and the rubber plate, the well wall is provided with a reserved bolt, and the position of the second reserved hole corresponds to the position of the reserved bolt.

3. The sewer plugging device of claim 2, wherein said preformed bolt is an expansion screw.

4. The sewer plugging device of claim 2, wherein said preformed bolt is a chemical bolt.

5. The sewer plugging device of claim 1, wherein each of said preformed pipe openings is provided with a preformed hole cover.