CN219219074U

CN219219074U - Lock catch protective cylinder of slope dewatering well

Info

Publication number: CN219219074U
Application number: CN202223201549.6U
Authority: CN
Inventors: 杨杰; 张帅; 侯来民; 冉星; 贾森涛; 孙睿; 南双戈
Original assignee: China Railway 20th Bureau Group Corp
Current assignee: China Railway 20th Bureau Group Corp
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-20
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a hasp protective casing of side slope dewatering well, relates to drainage well construction and prepares technical field, including protective casing (1), mounting (2) and mounting two (3), be provided with in the well head department of dewatering well (4) with concrete cushion cap (5) of ground parallel and level, protective casing (1) are installed in the hole of cushion cap (5) and the lower extreme of protective casing (1) stretches into in dewatering well (4), mounting one (2) is used for fixing protective casing (1) with cushion cap (5); the drainage blind pipe (6) is downwards inserted into the dewatering well (4) from the casing (1), and the second fixing piece (3) is detachably fixed between the upper end of the drainage blind pipe (6) and the bearing platform (5). The utility model designs the drainage blind pipe in the dewatering well into the structure of convenient dismantlement, can pull out the drainage blind pipe after the drainage well uses.

Description

Lock catch protective cylinder of slope dewatering well

Technical Field

The utility model relates to the technical field of drainage well construction equipment, in particular to a lock catch pile casing of a slope dewatering well.

Background

In earth construction, in order to ensure smooth construction, drainage groundwater of a dewatering well is required to be excavated firstly to prevent collapse in the construction process, a drainage blind pipe is required to be lowered in the dewatering well after the dewatering well is excavated to prevent water pump burying caused by hole collapse, the upper end of the drainage blind pipe is required to be lower than the ground, and a pile casing is installed at a wellhead to protect the drainage blind pipe, so that large-scale equipment construction is facilitated; after the construction is completed, a part of dewatering wells can be transformed into drainage facilities of the building, and after a part of dewatering wells need to be backfilled, other structures such as foundations and the like are continuously constructed; after the drainage blind pipe in the dewatering well is placed down, the upper end of the drainage blind pipe is fixedly connected with the pile casing, a common mode is welding fixation, the drainage blind pipe is difficult to take out when the dewatering well is transformed or backfilled after the earthwork construction is completed, and sometimes the drainage blind pipe is not taken out directly for saving the construction period, so that the waste of materials is caused.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a lock catch casing of a slope dewatering well, wherein a drainage blind pipe in the dewatering well is designed into a structure convenient to detach, and the drainage blind pipe can be detached after the drainage well is used.

The aim of the utility model can be achieved by the following technical scheme: the lock catch pile casing of the slope dewatering well comprises a pile casing, a first fixing piece and a second fixing piece, wherein a concrete bearing platform which is flush with the ground is arranged at a wellhead of the dewatering well, the pile casing is arranged in an inner hole of the bearing platform, the lower end of the pile casing stretches into the dewatering well, and the first fixing piece is used for fixing the pile casing and the bearing platform; the drainage blind pipe is downwards inserted into the dewatering well from the casing, and the second fixing part is detachably fixed between the upper end of the drainage blind pipe and the bearing platform.

Preferably, the second fixing pieces are a plurality of, and are circumferentially and uniformly distributed at the upper end of the drainage blind pipe; the fixing piece II comprises a hanging nail, a turning frame II and an anchor rod II, wherein the hanging nail is fixedly arranged on the inner wall of the upper end of the drainage blind pipe, the hanging nail is hung at the lower end of the turning frame II in a hook-shaped lifting manner, the upper end of the turning frame II is bent outwards and stuck to the upper end face of the bearing platform, and the turning frame II is anchored on the bearing platform by the anchor rod II.

Preferably, the hook at the lower end of the second turning frame is horizontally bent, a vertical limit column is arranged at the end part of the horizontally bent end in a threaded manner, and the hanging nail is positioned in a groove formed by the lower end of the second turning frame and the limit column.

Preferably, the fixing pieces are a plurality of, and are circumferentially and uniformly distributed at the upper end of the protective cylinder; the first fixing piece comprises a first turning frame and a first anchor rod, the lower end of the first turning frame is fixedly welded on the inner wall of the upper end of the protective cylinder, and the upper end of the second turning frame is bent outwards and then stuck to the bearing platform and is fixed by the first anchor rod.

During installation, the pile casing is fixedly installed in an inner hole of the bearing platform, the first turning frame and the first anchor rod are used for anchoring and fixing, the drainage blind pipe is lowered to a set position from the pile casing, the second turning frame is hooked on the hanging nail, the limiting column is installed, and the upper end of the second hanging frame is anchored on the bearing platform through the second anchor rod. After the water well is used, the drainage blind pipe is hung, the anchor rod II and the crank frame II are firstly taken down, the drainage blind pipe is hung out, the protection barrel is hung again, the anchor rod I is taken down, and the protection barrel is hung out.

The comprehensive effects brought by the utility model include: the utility model has simple and reasonable structure and convenient use, the ends of the protective cylinder and the drainage blind pipe are fixed through the detachable connecting structure, the reconstruction or backfill after the use of the water lowering well is convenient, and the installation and the disassembly are simple and convenient.

Drawings

Fig. 1 is a schematic front view of a latch casing of a slope precipitation well according to an embodiment of the utility model.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is a schematic top view of fig. 1.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

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

Examples

The aim of the embodiment of the utility model can be achieved by the following technical scheme: the lock catch pile casing of the slope dewatering well comprises a pile casing 1, a first fixing piece 2 and a second fixing piece 3, wherein a concrete bearing platform 5 which is flush with the ground is arranged at a wellhead of the dewatering well 4, the pile casing 1 is arranged in an inner hole of the bearing platform 5, the lower end of the pile casing 1 stretches into the dewatering well 4, and the first fixing piece 2 is used for fixing the pile casing 1 and the bearing platform 5; the drainage blind pipe 6 is inserted into the dewatering well 4 downwards from the casing 1, and the second fixing part 3 is detachably fixed between the upper end of the drainage blind pipe 6 and the bearing platform 5.

Further, in this embodiment, the number of the second fixing members 3 is four, and the second fixing members are uniformly distributed on the circumference of the upper end of the drain blind pipe 6; the second fixing part 3 comprises a hanging nail 31, a second turning frame 32 and a second anchor rod 33, the hanging nail 31 is fixedly arranged on the inner wall of the upper end of the drainage blind pipe 6, the lower end of the second turning frame 32 is a hook-shaped hanging hook for hanging the hanging nail 31, the upper end of the second turning frame 32 is bent outwards and attached to the upper end face of the bearing platform 5, and the second anchor rod 33 is used for anchoring the second turning frame 32 on the bearing platform 5. The hook at the lower end of the second turning frame 32 is a horizontal bend, a vertical limit post 34 is mounted on the end of the horizontal bend in a threaded manner, and the hanging nail 31 is positioned in a groove formed by the lower end of the second turning frame 32 and the limit post 34. The limiting column 34 is used for being hung on the hanging nail 31 stably, and the hanging nail 31 is a screw rod with a mushroom head.

Further, in this embodiment, the number of the first fixing pieces 2 is four, and the first fixing pieces are uniformly distributed on the circumference of the upper end of the casing 1; the first fixing part 2 comprises a first turning frame 21 and a first anchor rod 22, the lower end of the first turning frame 21 is fixedly welded on the inner wall of the upper end of the casing 1, and the upper end of the second turning frame 32 is bent outwards and then is attached to the bearing platform 5 and fixed by the first anchor rod 22.

When the drainage blind pipe is used, during installation, the protective cylinder 1 is fixedly installed in an inner hole of the bearing platform 5, the first bent frame 21 and the first anchor rod 22 are used for anchoring and fixing, the drainage blind pipe 6 is lowered to a set position from the protective cylinder 1, the second bent frame 32 is hooked on the hanging nail 31, the limiting column 34 is installed, and the upper end of the second bent frame is anchored on the bearing platform 5 through the second anchor rod 33. After the dewatering well 4 is used, the drainage blind pipe 6 is hung, the anchor rod II 33 and the turning frame II 32 are firstly taken down, the drainage blind pipe 6 is hung out, the pile casing 1 is hung, the anchor rod I22 is taken down, and the pile casing 1 is hung out.

The comprehensive effects brought by the embodiment of the utility model include: the utility model has simple and reasonable structure and convenient use, the ends of the pile casing 1 and the drainage blind pipe 6 are fixed through the detachable connecting structure, the transformation or backfill after the dewatering well 4 is used is convenient, and the installation and the disassembly are simple and convenient.

The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The utility model has been described above with reference to preferred embodiments, but the scope of the utility model is not limited thereto, and any and all technical solutions falling within the scope of the claims are within the scope of the utility model. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims

1. The lock catch pile casing of the slope dewatering well is characterized by comprising a pile casing (1), a first fixing part (2) and a second fixing part (3), wherein a concrete bearing platform (5) which is flush with the ground is arranged at a wellhead of the dewatering well (4), the pile casing (1) is arranged in an inner hole of the bearing platform (5), the lower end of the pile casing (1) stretches into the dewatering well (4), and the first fixing part (2) is used for fixing the pile casing (1) and the bearing platform (5); the drainage blind pipe (6) is downwards inserted into the dewatering well (4) from the casing (1), and the second fixing piece (3) is detachably fixed between the upper end of the drainage blind pipe (6) and the bearing platform (5).

2. The lock catch casing of the side slope dewatering well according to claim 1, wherein the number of the second fixing pieces (3) is plural, and the second fixing pieces are circumferentially and uniformly distributed at the upper end of the drainage blind pipe (6); the fixing piece II (3) comprises a hanging nail (31), a turning frame II (32) and an anchor rod II (33), wherein the hanging nail (31) is fixedly installed on the inner wall of the upper end of the drainage blind pipe (6), the hanging nail (31) is hung by a hook-shaped hook at the lower end of the turning frame II (32), the upper end of the turning frame II (32) is bent outwards and attached to the upper end face of the bearing platform (5), and the turning frame II (32) is anchored on the bearing platform (5) by the anchor rod II (33).

3. The lock catch casing of the side slope dewatering well according to claim 2, wherein the hook shape of the lower end of the second turning frame (32) is a horizontal bend, a vertical limit post (34) is installed at the end thread of the horizontal bend, and the hanging nail (31) is located in a groove formed by the lower end of the second turning frame (32) and the limit post (34).

4. A lock catch casing for an edge slope dewatering well according to claim 3, wherein the number of the first fixing parts (2) is plural, and the first fixing parts are circumferentially and uniformly arranged at the upper end of the casing (1); the first fixing part (2) comprises a first turning frame (21) and a first anchor rod (22), the lower end of the first turning frame (21) is fixedly welded on the inner wall of the upper end of the protective cylinder (1), and the upper end of the second turning frame (32) is bent outwards and then stuck to the bearing platform (5) and is fixed by the first anchor rod (22).