CN220768141U

CN220768141U - Pipe well sealing device for high-pressure water head of sand layer deep foundation pit

Info

Publication number: CN220768141U
Application number: CN202322370714.9U
Authority: CN
Inventors: 王齐; 陈雨生; 郭进博
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-12
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses a pipe well sealing device of a high-pressure water head of a sand layer deep foundation pit, which relates to the technical field of pipe well sealing, and comprises the following components: the pipe well, the upper portion of pipe well is provided with the accommodation shell, the inside of accommodation shell is provided with the accommodation cavity, the lower part fixedly connected with of accommodation shell and the flange of mutually supporting of pipe well, fixedly connected with fills pipeline one, fills pipeline two, pumping pipeline on the accommodation shell, the outside fixedly connected with that just is located pumping pipeline on the accommodation shell adds the pipeline. Through the stress plate, a certain impact resistance can be provided for well sealing, concrete is isolated from water in the well, the density uniformity of the concrete is ensured, and the well sealing effect is improved; the holding shell, holding chamber, joining pipeline, flange that set up can increase sealing weight, further improves the well sealing effect, uses safelyr.

Description

Pipe well sealing device for high-pressure water head of sand layer deep foundation pit

Technical Field

The utility model relates to the technical field of pipe well sealing, in particular to a pipe well sealing device for a high-pressure water head of a sand layer deep foundation pit.

Background

Under the sand layer geological condition that deep foundation ditch permeability is strong, in order to guarantee the normal construction of foundation ditch, need carry out the well-sealing operation to the tube well, need use the well-sealing device.

In the prior art, the well is sealed by filling concrete into a pipe well, and the purpose of sealing the well is realized by utilizing the way of condensing the concrete and welding a closed steel plate, however, because the pressure inside the pipe well is large, the concrete part is easy to change due to the concrete density caused by water pressure, thereby affecting the well sealing effect and being not safe enough to use.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a pipe well sealing device of a high-pressure water head of a sand layer deep foundation pit, which can provide a certain shock resistance for well sealing by a stress plate, isolate concrete from water in the well, ensure uniform density of the concrete and improve the well sealing effect; the holding shell, holding chamber, joining pipeline, flange that set up can increase sealing weight, further improves the well sealing effect, uses safelyr.

One of the purposes of the utility model is realized by adopting the following technical scheme: the utility model provides a sand bed deep basal pit high pressure water head's tube well sealing device, includes the tube well, the upper portion of tube well is provided with the accommodation shell, the inside of accommodation shell is provided with the accommodation chamber, the lower part fixedly connected with of accommodation shell and the flange of tube well mutually supporting, fixedly connected with filling pipe I, filling pipe II, water pumping pipeline on the accommodation shell, the outside fixedly connected with that just is located water pumping pipeline adds the pipeline on the accommodation shell, fixedly connected with flange on the joining pipeline, the lower part fixedly connected with filter mantle of water pumping pipeline, just be located the top fixedly connected with atress board of filter mantle on the water pumping pipeline, the edge fixedly connected with sealing washer of atress board, the top fixedly connected with screen cloth that just is located the atress board on the water pumping pipeline, the water pumping pipeline is connected with peripheral hardware suction pump. Through the stress plate, a certain impact resistance can be provided for well sealing, concrete is isolated from water in the well, the density uniformity of the concrete is ensured, and the well sealing effect is improved; the holding shell, holding chamber, joining pipeline, flange that set up can increase sealing weight, further improves the well sealing effect, uses safelyr.

According to the pipe well sealing device of the high-pressure water head of the sand layer deep foundation pit, the water pumping pipeline is positioned at the center of the accommodating shell.

According to the pipe well sealing device of the high-pressure water head of the sand layer deep foundation pit, the first filling pipeline and the second filling pipeline are both positioned on the outer side of the water pumping pipeline.

According to the pipe well sealing device of the sand layer deep foundation pit high-pressure water head, the sealing ring is in contact with the inner wall of the pipe well.

According to the pipe well sealing device of the sand layer deep foundation pit high-pressure water head, the discharge holes of the first filling pipeline and the second filling pipeline are positioned above the screen.

According to the pipe well sealing device of the high-pressure water head of the sand layer deep foundation pit, the adding pipeline is communicated with the accommodating cavity.

According to the pipe well sealing device for the high-pressure water head of the sand layer deep foundation pit, the inner bottom wall of the accommodating shell is made of steel materials.

According to the pipe well sealing device of the high-pressure water head of the sand layer deep foundation pit, the radius of the first filling pipeline and the radius of the second filling pipeline are smaller than the radius of the water pumping pipeline.

Advantageous effects

Compared with the prior art, the utility model can provide a certain shock resistance for well sealing by the stress plate, isolate the concrete from the water in the well, ensure the uniform density of the concrete and improve the well sealing effect; the holding shell, holding chamber, joining pipeline, flange that set up can increase sealing weight, further improves the well sealing effect, uses safelyr.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of a pipe well sealing device for a high pressure water head of a sand layer deep foundation pit;

FIG. 2 is a schematic structural view of a section of a pipe well sealing device for a high pressure water head of a sand layer deep foundation pit;

FIG. 3 is a schematic diagram of the structure of the pipe well sealing device with high pressure water head for sand layer deep foundation pit in the lower view angle;

FIG. 4 is an enlarged view of a portion of a pipe well seal for a high pressure head of a sand layer deep foundation pit according to the present utility model.

Legend description:

101. a pipe well; 102. a flange; 103. a housing case; 1031. a receiving chamber; 104. filling a first pipeline; 105. a water pumping pipeline; 106. filling a second pipeline; 107. a connecting flange; 108. adding a pipeline; 109. a screen; 110. a seal ring; 111. a force-bearing plate; 112. and a filter cover.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the pipe well sealing device of the high-pressure water head of the sand layer deep foundation pit of the embodiment of the utility model comprises a pipe well 101, wherein an accommodating shell 103 is arranged at the upper part of the pipe well 101, the inner bottom wall of the accommodating shell 103 is made of steel, an accommodating cavity 1031 is arranged in the accommodating shell 103, a flange 102 which is mutually matched with the pipe well 101 is fixedly connected with the lower part of the accommodating shell 103, a filling pipeline I104, a filling pipeline II 106 and a water pumping pipeline 105 are fixedly connected with the accommodating shell 103, the filling pipeline I104 and the filling pipeline II 106 are both positioned at the outer side of the water pumping pipeline 105, the radiuses of the filling pipeline I104 and the filling pipeline II 106 are both smaller than the radius of the water pumping pipeline 105, the discharge ports of the filling pipeline I104 and the filling pipeline II 106 are both positioned above a screen 109, the water pumping pipeline 105 is positioned at the center of the accommodating shell 103, a filling pipeline 108 is fixedly connected with the outer side of the water pumping pipeline 105 on the accommodating shell 103, the adding pipeline 108 is communicated with the containing cavity 1031, the connecting flange 107 is fixedly connected on the adding pipeline 108, the filter cover 112 is fixedly connected at the lower part of the water pumping pipeline 105, the stress plate 111 is fixedly connected on the water pumping pipeline 105 and above the filter cover 112, the sealing ring 110 is fixedly connected at the edge of the stress plate 111, the sealing ring 110 is mutually contacted with the inner wall of the pipe well 101, the screen 109 is fixedly connected on the water pumping pipeline 105 and above the stress plate 111, the water pumping pipeline 105 is connected with the external water pumping pump, when in use, the containing shell 103 is installed on the pipe well 101 and fixed through the external steel bars and concrete, then the external water pumping pump pumps water in the pipe well 101 out of the water pumping pipeline 105, wherein the water pumping can be downwards extruded by the stress plate 111 in the process of the lower part and can be simultaneously carried out with the action of water pumping, thereby guarantee that follow-up concrete placement's space is abundant, then concrete from filling pipeline one 104, filling pipeline two 106 to the inside filling concrete of tube well 101, wherein, screen cloth 109 can reduce the impact force that concrete falls to improve the holistic radial impact resistance of concrete, then through joining pipeline 108, flange 107, fill the concrete to holding chamber 1031 in, can increase sealing weight, further improve the well sealing effect, use safelyr. Through the stress plate 111, a certain impact resistance can be provided for well sealing, concrete is isolated from water in the well, the density uniformity of the concrete is ensured, and the well sealing effect is improved; the holding shell 103, holding chamber 1031, joining pipeline 108, flange 107 that set up can increase sealed weight, further improves the well sealing effect, and is safer to use.

Working principle: during the use, will hold shell 103 and install on tube well 101, fix through reinforcing bar, the concrete of peripheral hardware, then the suction pump of peripheral hardware is taken out the water in the tube well 101 from suction pipe 105, wherein, atress board 111 can be with well water downwardly extrusion in the in-process of below, can go on with the action of drawing water simultaneously, thereby guarantee that follow-up concrete placement's space is sufficient, then the concrete fills the concrete from filling pipe one 104, filling pipe two 106 to tube well 101 inside, wherein, screen cloth 109 can reduce the impact force that the concrete falls, and improve the holistic radial impact force of concrete, then rethread joining pipeline 108, flange 107, fill the concrete into holding chamber 1031, can increase sealing weight, further improve the well sealing effect, use safer.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a sand bed deep basal pit high pressure water head's tube well sealing device, includes tube well (101), its characterized in that, the upper portion of tube well (101) is provided with and holds shell (103), the inside that holds shell (103) is provided with holds chamber (1031), the lower part fixedly connected with that holds shell (103) and tube well (101) matched with flange (102), fixedly connected with filling pipe one (104), filling pipe two (106), suction pipe (105) on holding shell (103), just be located the outside fixedly connected with joining pipe (108) of suction pipe (105) on holding shell (103), fixedly connected with flange (107) on joining pipe (108), the lower part fixedly connected with filter mantle (112) of suction pipe (105), the top fixedly connected with atress board (111) on suction pipe (105) and be located filter mantle (112), edge fixedly connected with sealing washer (110) of atress board (111), suction pipe (105) are located top fixedly connected with suction pipe (109) and are connected with screen cloth mutually.

2. A sand deep foundation pit high pressure head pipe well shut-in device according to claim 1, characterized in that the water suction pipe (105) is located in the centre of the containment casing (103).

3. The pipe well sealing device of the high-pressure water head of the sand layer deep foundation pit according to claim 2, wherein the first filling pipeline (104) and the second filling pipeline (106) are positioned on the outer side of the water pumping pipeline (105).

4. A pipe well sealing device for a high pressure head of a sand layer deep foundation pit according to claim 3, wherein the sealing ring (110) is in contact with the inner wall of the pipe well (101).

5. The pipe well sealing device for the high-pressure water head of the sand deep foundation pit according to claim 4, wherein the discharge ports of the first filling pipeline (104) and the second filling pipeline (106) are positioned above the screen (109).

6. A pipe well sealing device for a sand deep foundation pit with a high pressure head according to claim 5, wherein the inlet pipe (108) is in communication with the receiving chamber (1031).

7. A sand deep foundation pit high pressure head pipe well sealing device according to claim 6, characterized in that the inner bottom wall of the housing shell (103) is made of steel material.

8. The pipe well sealing device of the high-pressure water head of the sand deep foundation pit according to claim 7, wherein the radius of the first filling pipeline (104) and the radius of the second filling pipeline (106) are smaller than the radius of the water pumping pipeline (105).