Underground draw shaft grizzly fixing device

Abstract

The utility model discloses an underground draw shaft grizzly fixing device, and relates to the field of underground mine production. Comprising a connecting piece and a supporting seat, the supporting seat is arranged on the lower portion of the butt joint position of the two horizontally-arranged grizzles and used for supporting the butt joint position of the grizzles, the connecting piece is arranged on the upper portion of the supporting seat, and the two ends of the connecting piece are correspondingly connected with the side walls of the two grizzles respectively and used for fixing the supporting seat and the two grizzles. The draw shaft grizzly welding device is simple in structure and flexible to use, and solves the problems of high labor intensity, long operation time and high danger coefficient caused by the fact that a welding surface needs to be continuously cut and then welded again when the draw shaft grizzly is repeatedly used.

Description

Technical Field

[0001] The utility model relates to the field of underground mine production, in particular to an underground chute grid screen fixing device. Background Art

[0002] In the process of mining production, as the mining depth increases, in order to reduce the ore transportation distance and improve the ore transportation efficiency, it is often necessary to set up a chute underground. The grating screen on the chute is currently installed by manual on-site welding. In order to be able to reuse it, the grating screen needs to continuously cut the welding surface and weld it again, which brings about problems such as high labor intensity, long operation time and high risk factor. Utility Model Content

[0003] In view of the above problems, the utility model provides an underground well screen fixing device, which is used to solve the problem of high labor intensity, long operation time and high risk factor caused by multiple cutting and welding of welding surfaces and re-welding when the screen is reused.

[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0005] A downhole well screen fixing device comprises a connecting piece and a support seat. The support seat is arranged at the lower part of the joint of two horizontally arranged screens and is used to support the joint of the screens. A connecting piece is arranged on the upper part of the support seat. The two ends of the connecting piece are respectively connected to the side walls of the two screens and are used to fix the supporting seat and the two screens to each other.

[0006] The connecting piece comprises a vertical connecting plate and a horizontal connecting plate, and the vertical connecting plate and the horizontal connecting plate are vertically connected to each other. The two ends of the vertical connecting plate are respectively connected to the side walls of the two grid screens, and the horizontal connecting plate is connected to the support seat.

[0007] The horizontal connecting plate is connected to the supporting seat by bolts.

[0008] A reinforcing rib plate is arranged between the vertical connecting plate and the horizontal connecting plate.

[0009] The support seat is an I-beam structure composed of an upper wing plate, a web plate and a lower wing plate, and the lower wing plate is connected and fixed on the chute grid screen platform.

[0010] The utility model also includes a limit lock for mutually locking the grid screen and the support seat, wherein the limit lock includes a convex plate, a support member, and a concave plate, the support member is vertically arranged at the bottom of the grid screen, the convex plate is arranged on the support member, and the concave plate is arranged on the side wall of the web, and the convex plate and the concave plate can be correspondingly engaged.

[0011] The beneficial effects of the utility model are:

[0012] (1) The utility model supports the joint of two grilles through a support seat, and then connects the two grilles into one through a connecting piece, so as to ensure portable installation and disassembly of the chute grid screen, thereby improving work efficiency.

[0013] (2) The utility model fixes and connects the side walls of two adjacent chute screens by means of a vertical connecting plate, a horizontal connecting plate is connected above the support seat, and a rib plate is provided between the horizontal connecting plate and the vertical connecting plate to improve the reliability of the fixing structure.

[0014] (3) The support seat of the utility model is in an I-shaped structure, the lower wing plate of the support seat is connected and fixed on the chute platform, and the upper wing plate is connected to the horizontal connecting plate, which greatly improves the stability and firmness of the grid screen.

[0015] (4) The utility model realizes the positioning and locking of the grid screen by means of a limit lock. During installation, the convex plate and the concave plate are correspondingly engaged to limit the displacement of the grid screen, thereby facilitating the fixed connection between the grid screen and the connecting piece and improving the installation accuracy.

[0016] (5) The utility model has a simple structure, is easy to operate, and has a low manufacturing cost. It not only improves efficiency but also facilitates batch processing and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the fixing device of the utility model;

[0018] Figure 2 This is a front view of the fixing device of the utility model;

[0019] Figure 3 This is a cross-sectional view of the installation of the fixing device of the utility model.

[0020] Figure numerals: connector 1, vertical connecting plate 1-1, horizontal connecting plate 1-2, support seat 2, wing plate 2-1, web plate 2-2, upper wing plate 2-1-1, lower wing plate 2-1-2, concave plate 2-2-1, support body 2-2-2, limit lock 3, convex plate 3-1, support member 3-2, grid screen 4, rib plate 5. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art.

[0022] like Figure 1 As shown, an underground well screen fixing device includes a connecting piece 1 and a supporting seat 2.

[0023] like Figure 1 , Figure 3 As shown, the support seat 2 is arranged at the lower part of the joint of two horizontally arranged grid screens 4, and is used to support the joint of the grid screens 4. A connecting member 1 is arranged on the upper part of the support seat 2, and the two ends of the connecting member 1 are respectively connected to the side walls of the two grid screens 4, and are used to fix the support seat 2 and the two grid screens 4 to each other.

[0024] like Figure 1 As shown, the connecting member 1 includes a vertical connecting plate 1-1 and a horizontal connecting plate 1-2, and the vertical connecting plate 1-1 and the horizontal connecting plate 1-2 are vertically connected to each other, wherein the two ends of the vertical connecting plate 1-1 are respectively connected to the side walls of the two grid screens 4, and the horizontal connecting plate 1-2 is connected to the support seat 2, and the horizontal connecting plate 1-2 is connected to the support seat 2 by bolts, and a reinforcing rib plate 5 is arranged between the vertical connecting plate 1-1 and the horizontal connecting plate 1-2.

[0025] like Figure 1 , Figure 2 As shown, the support seat 2 is an I-shaped structure composed of an upper wing plate 2-1-1, a web plate 2-2 and a lower wing plate 2-1-2, and the lower wing plate 2-1-2 is connected and fixed to the chute grid screen platform;

[0026] like Figure 1 , Figure 2 As shown, the limit lock 3 is used for mutual locking of the grid screen 4 and the support seat 2, wherein the limit lock 3 includes a convex plate 3-1, a support member 3-2, and a concave plate 2-2-1, the support member 3-2 is vertically arranged at the bottom of the grid screen 4, the convex plate 3-1 is arranged on the support member 3-2, the concave plate 2-2-1 is arranged on the side wall of the web 2-2, and the convex plate 3-1 and the concave plate 2-2-1 can be correspondingly engaged.

[0027] When the utility model is used, bolts are used to fix a plurality of support seats 2 with the chute grid screen platform, a plurality of grid screens 4 are laid flat, and the convex plate under each grid screen 4 is placed on the concave plates on both sides of the web to ensure that the limit lock is installed in place, so that the connection between two adjacent grid screens 4 is aligned above the support seat 2, and the two adjacent grid screens 4 are assembled through the vertical connecting plate 1-1 by bolts, and the support seat 2 is fixedly connected to the horizontal connecting plate 1-2 of the assembled grid screens 4 by a plurality of bolts.

[0028] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations, modifications, and substitutions made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A downhole well screen fixing device, characterized in that: include: A connecting member (1) and a support seat (2), wherein the support seat (2) is arranged at the lower part of the joint of two horizontally arranged grid screens (4) and is used to support the joint of the two grid screens (4). A connecting member (1) is arranged on the upper part of the support seat (2), and the two ends of the connecting member (1) are respectively connected to the side walls of the two grid screens (4) and are used to fix the support seat (2) and the two grid screens (4) to each other.

2. According to the underground well screen fixing device of claim 1, it is characterized by: The connecting member (1) comprises a vertical connecting plate (1-1) and a horizontal connecting plate (1-2), wherein the vertical connecting plate (1-1) and the horizontal connecting plate (1-2) are vertically connected to each other, wherein two ends of the vertical connecting plate (1-1) are respectively connected to the side walls of two grid screens (4), and the horizontal connecting plate (1-2) is connected to the support seat (2).

3. According to claim 2, a downhole well screen fixing device is characterized in that: The horizontal connecting plate (1-2) is connected to the supporting seat (2) via bolts.

4. According to claim 2, a downhole well screen fixing device is characterized in that: A reinforcing rib plate (5) is provided between the vertical connecting plate (1-1) and the horizontal connecting plate (1-2).

5. The underground well screen fixing device according to claim 1, characterized in that: The support seat (2) is an I-shaped structure composed of an upper wing plate (2-1-1), a web plate (2-2) and a lower wing plate (2-1-2), wherein the lower wing plate (2-1-2) is connected and fixed to the well screen platform.

6. The underground well screen fixing device according to claim 5, characterized in that: It also includes a limit lock (3) for mutually locking the grid screen and the support seat (2), wherein the limit lock (3) includes: a convex plate (3-1), a support member (3-2), and a concave plate (2-2-1), the support member (3-2) is arranged at the bottom of the grid screen, the convex plate (3-1) is arranged on the support member (3-2), the concave plate (2-2-1) is arranged on the side wall of the web (2-2), and the convex plate (3-1) and the concave plate (2-2-1) can be correspondingly engaged.

Images