Convex waterproof gate for coal mine well

By adopting an outward-protruding waterproof gate design that combines an arched pipe with a flat gate body in underground coal mine roadways, the problem of insufficient static water pressure resistance of flat waterproof gates has been solved, achieving higher waterproof safety and reduced replacement costs.

CN223523784UActive Publication Date: 2025-11-07ANHUI BOZHOU COAL IND CO LTD
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Patent Information

Application Number
CN202423079252.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-07
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing flat-plate waterproof gates in underground coal mine roadways have low resistance to hydrostatic pressure, and replacing them is costly and time-consuming.

Method used

A convex waterproof gate for coal mines was designed, which combines an arched tube with a flat gate body and is fixed with bolts. The arched tube is embedded with a pressure-resistant plastic plate, and a sloping sealing strip and pneumatic components are set between the gate frame and the flat gate body to enhance the structural strength and sealing performance.

Benefits of technology

It improves the hydrostatic pressure resistance of flat-plate waterproof gates, reduces replacement costs, enhances waterproof safety, and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an outward protruding type waterproof gate of a coal mine well, which relates to the technical field of waterproof gates and comprises a door frame and a flat plate door body hinged on the side of the door frame, an arch-shaped pipe is detachably mounted on the outer vertical surface of the flat plate door body, and the plane part of the arch-shaped pipe is attached to the outer vertical surface of the flat plate door body and is fixed through a bolt. The two ends of the arched pipe are sealed through end plates to form a hollow space. The pressure-bearing piece of the hollow arch structure is detachably arranged on the outer vertical face of an existing door leaf in a tightly attached mode, so that the flat plate type waterproof gate can be refitted and reinforced again, and the hydrostatic pressure borne by the flat plate type waterproof gate is improved; wherein the pressure-bearing piece is composed of a fixing plate, an arch-shaped plate and an end plate, a fastening bolt can be installed after the end plate is detached, and operation is convenient; the flat plate type waterproof gate is low in engineering consumption, and the waterproof safety coefficient of an existing flat plate type waterproof gate can be integrally improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waterproof gate, especially to a convex type waterproof gate outside coal mine. BACKGROUND

[0002] At present, waterproof gate is set in the coal mine roadway as waterproof measure. There are still some flat type waterproof gates in the existing coal mine roadway, and the flat type waterproof gate is gradually reduced in the application of the coal mine because the static water pressure that can be borne is small. If the existing flat type waterproof gate is replaced, the engineering cost is large and difficult, which may consume a large amount of funds and increase the cost. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problem that the flat type waterproof valve bears the small problem of net water pressure.

[0004] Based on the technical problems in the background art, the utility model provides a convex type waterproof gate outside coal mine, which comprises a door frame and a flat door body hinged to the side of the door frame, the outer facade of the flat door body is detachably provided with an arched pipe, the flat part of the arched pipe is attached to the outer facade of the flat door body and fixed by bolts, and the two ends of the arched pipe are sealed by end plates to form a hollow space.

[0005] Preferably, the flat part of the arched pipe is provided with a guide sleeve facing the flat door body, the flat door body is provided with a T-shaped guide rail corresponding to the sliding clamping of the guide sleeve, and the guide sleeve can be clamped corresponding to the T-shaped guide rail.

[0006] Preferably, the arched part of the arched pipe is multilayered, and the arched part is embedded with a compression-resistant plastic plate.

[0007] Preferably, the gap between the edge of the door frame and the flat door body is beveled when closed, and a plurality of sealing strips are arranged in the gap and pasted on the side of the flat door body.

[0008] Preferably, the side of the door frame facing the flat door body is welded with a rib plate along the outer contour and inner contour of the door frame, and the rib plates are welded with reinforcing ribs.

[0009] Preferably, a pneumatic assembly is hinged between the door frame and the flat door body.

[0010] Preferably, the side of the door frame is beveled, and a reinforcing bar is connected to the side of the door frame to facilitate the fixation of the door frame.

[0011] Preferably, a reinforcing member is welded to the side of the flat door body away from the arched pipe.

[0012] Compared with the prior art, the coal mine off-site convex type waterproof gate adopting the technical scheme has the following technical effects:

[0013] The utility model discloses a hollow arch structure's pressure bearing piece is detachably close to the setting on the outer facade of the existing door leaf, thereby can re -equip the reinforced flat type waterproof gate, to improve its static water pressure that bears, wherein, pressure bearing piece adopts fixed plate, arch plate and end plate and is composed, can install fastening bolt after removing end plate, convenient operation, the invention can improve the waterproof safety factor of existing flat type waterproof gate as a whole on the engineering and consumes less. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the installation schematic view of the arch pipe and door body of the utility model;

[0015] Figure 2 It is the installation cross section side view of the arch pipe and door body of the utility model;

[0016] Figure 3 It is the installation schematic view of the door frame of the utility model;

[0017] Figure 4 It is the installation front view of the door body and door frame of the utility model;

[0018] Figure 5 It is the back view of the door body of the utility model.

[0019] In the drawing: 1, door frame;2, flat door body;3, arch pipe;31, plane part;4, bolt;5, end plate;33, guide sleeve;21, T-shaped guide rail;32, arch part;34, compression-resistant plastic plate;22, joint gap;23, sealing strip;11, rib plate;12, reinforcing rib;6, pneumatic assembly;13, steel bar;24, reinforcing piece. DETAILED DESCRIPTION

[0020] In the utility model, unless another definite provision and limitation, the terms "installation", "link", "connection", "fixation" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0021] In the present utility model, unless otherwise expressly provided and limited, the first feature is "on" or "under" the second feature, which can be direct contact of the first and second features, or indirect contact of the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0022] Embodiment

[0023] Please refer to Figures 1-5 The utility model provides a kind of coal mine outside convex waterproof sluice, including door frame 1 and the flat door body 2 of hinged in the side of door frame 1, the outer facade of flat door body 2 detachably installed arch pipe 3, the plane part 31 of arch pipe 3 is attached to the outer facade of flat door body 2 and is fixed by bolt 4, the both ends of arch pipe 3 are sealed to form hollow space by end plate 5;In the scheme, the arch part 32 of arch pipe 3 is towards outside, its plane part 31 is fixedly attached to door body, can make the outer facade of door body be arch, when still water is resisted to the arch part 32 of arch pipe 3, pressure will be dispersed to both sides, reduce hydrostatic pressure, while the both ends of arch pipe 3 are sealed by end plate 5, arch pipe 3 is hollow with the gas of one atmosphere pressure inside, can resist clean water pressure.

[0024] In specific embodiments, refer to Figure 1 , Figure 2 , Figure 3 , the plane of arch pipe 3 is provided with guide sleeve 33 towards flat door body 2, flat door body 2 is provided with T-shaped guide rail 21 of sliding clamping corresponding guide sleeve 33, guide sleeve 33 can be clamped corresponding T-shaped guide rail 21;In the scheme, arch pipe 3 needs to be supported by personnel when installing, inconvenient for personnel to install, when bolt 4 loosens, arch pipe 3 can possibly fall off, therefore, the side of door body and arch pipe 3 is contacted by setting T-shaped guide rail 21 and guide sleeve 33 clamping limit, the cross section of its guide rail is not limited to T-shaped, can also be triangular and other shapes, can increase the fixing effect between flat door body 2 and arch pipe 3.

[0025] In specific embodiments, refer to Figure 2 , Figure 3 , the arch part 32 of arch pipe 3 is multilayer, and the arch part 32 is embedded with compression-resistant plastic plate 34;In the scheme, the arch part 32 of arch pipe 3 is hollow, and the compression-resistant plastic plate 34 is inserted into the arch part 32, which can increase the structural strength of the arch part 32 and increase the level of resistance to hydrostatic pressure.

[0026] In specific embodiments, refer to Figure 2 ,Figure 3 The gap 22 between the door frame 1 and the flat door body 2 is a bevel when closed, and a plurality of sealing strips 23 are arranged on the side of the flat door body 2 in the gap 22; in this scheme, the gap 22 between the door frame 1 and the flat door body 2 is a bevel, which can increase the contact area between the two, and the increase in the contact area can facilitate the installation of the sealing strips 23 for waterproofing. The larger the inclination angle of the bevel, the larger the contact area, and the more sealing strips 23 that can be installed.

[0027] In specific embodiments, referring to Figure 4 One side of the door frame 1 facing the flat door body 2 is welded with a rib plate 11 along the outer contour and inner contour of the door frame 1, and a reinforcing rib 12 is welded between the rib plates 11; in this scheme, the door frame 1 is strengthened by setting the rib plate 11 and the reinforcing rib 12, and the cavity formed between the frame reinforcing rib 12 and the rib plate 11 can be filled with concrete for fixation, which can increase the stress points of the frame.

[0028] In specific embodiments, referring to Figure 4 The door frame 1 and the flat door body 2 are hingedly connected with a pneumatic assembly 6; the pneumatic assembly 6 in this scheme includes a pneumatic cylinder and a hinge, and the hinge is arranged on the upper end of the flat door body 2 and the upper end of the door frame 1, and the two ends of the pneumatic cylinder are rotatably connected with the two hinges, and the rotation axes of the pneumatic cylinder relative to the two hinges are parallel to each other, which can reduce the weight of the door body when opening and closing, and has the function of assisting.

[0029] In specific embodiments, referring to Figure 2 、 Figure 3 One side of the door frame 1 is a bevel, and a steel bar 13 for fixing the door frame 1 is connected to the bevel; in this scheme, the steel bar 13 arranged on the door frame 1 is arranged to increase the stress points of the door frame 1 and facilitate the fixation of the door frame 1 during installation.

[0030] In specific embodiments, referring to Figure 5 A reinforcing member 24 is welded to the side of the flat door body 2 away from the arched pipe 3, and the reinforcing member 24 is a plate body welded with a triangular or rectangular plate body.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent substitutions or changes within the technical scope disclosed by the present application according to the technical scheme and concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. An out-of-mine convex flood gate for a coal mine, characterised in that, The utility model provides a door frame (1) and the flat door body (2) of hinged in the side of door frame (1), the outer facade of flat door body (2) can detachably install arch pipe (3), the plane part (31) of arch pipe (3) is attached to the outer facade of flat door body (2) and is fixed through bolt (4), and the both ends of arch pipe (3) are sealed to form the hollow space through end plate (5).

2. An out-by coal mine convex flood gate according to claim 1 characterised in that, The plane of the arch pipe (3) is provided with a guide sleeve (33) facing the flat door body (2), the flat door body (2) is provided with a T-shaped guide rail (21) slidingly connected to the guide sleeve (33), and the guide sleeve (33) is connected to the T-shaped guide rail (21).

3. The coal mine out-of-shaft convex-type water lock according to claim 1, characterized in that, The arch part (32) of the arch pipe (3) is multi-layered, and the arch part (32) is embedded with a compression-resistant plastic plate (34).

4. The coal mine out-of-shaft convex-type water lock according to claim 1, characterized in that, The gap (22) between the edge of the door frame (1) and the flat door body (2) is beveled when closed, and a plurality of sealing strips (23) are attached to the side of the flat door body (2) in the gap (22).

5. The coal mine out-of-shaft convex-type water lock according to claim 1, characterized in that, The side of the door frame (1) facing the flat door body (2) is welded with a rib plate (11) along the outer contour and the inner contour of the door frame (1), and the rib plates (11) are welded with reinforcing ribs (12).

6. The coal mine out-of-shaft convex-type water lock according to claim 1, characterized in that, The door frame (1) and the flat door body (2) are hingedly connected with a pneumatic assembly (6).

7. The coal mine out-of-shaft convex-type water lock according to claim 1, characterized in that, The side of the door frame (1) is beveled, and a reinforcing bar (13) is connected to the side of the door frame (1) to facilitate the fixation of the door frame (1).

8. The coal mine out-of-shaft convex-type water lock according to claim 1, characterized in that, The side of the door frame (1) facing the flat door body (2) is welded with a reinforcing member (24). The side of the door frame (1) facing the flat door body (2) is welded with a reinforcing member (24).