Coal mine safety supporting device

Abstract

The utility model provides a coal mine safety supporting device, and belongs to the field of coal mine safety supporting equipment. A coal mine safety supporting device comprises a bottom plate, vertical plates are installed at the four corners of the top face of the bottom plate, a connecting plate is slidably arranged between every two vertical plates located on the same side of the bottom plate, a hydraulic jack is installed on the bottom face of each connecting plate, and the hydraulic jacks are connected with the bottom plate; two supporting rods distributed front and back are installed on the top face of each connecting plate, the top ends of the four supporting rods are connected through a transverse plate, and an arc-shaped supporting plate is installed on the top face of the transverse plate. The supporting device has the advantages that the supporting device is simple in structure and convenient to use, the hydraulic jack is matched with the connecting plate, the arc-shaped supporting plate can be driven to move up and down, then the height of the arc-shaped supporting plate can be adjusted, roadways at different heights can be supported, the applicability of the supporting device is improved, and the supporting device is suitable for popularization and application. And mounting and dismounting are convenient, and convenience is brought to coal mine safety supporting.

Description

Technical Field

[0001] The utility model mainly relates to the field of coal mine safety support equipment, and specifically is a coal mine safety support device. Background Art

[0002] Coal mining in my country is mainly carried out underground, which requires the excavation of a large number of tunnels underground. The use of support devices to keep the tunnels unobstructed and the surrounding rocks stable is of great significance to coal mine construction and safe production. Support devices can support and protect coal mining tunnels, alleviate and reduce the movement of surrounding rocks, and have been widely used in the field of coal mining. At present, the height of existing support devices is fixed, and they can only support coal mine tunnels of fixed heights, which cannot meet the use needs, reduces practicality, and cannot meet the support needs at different heights, which brings inconvenience to use. Utility Model Content

[0003] In order to address the deficiencies in the prior art, the utility model provides a coal mine safety support device. The utility model has a simple structure and is easy to use. Through the cooperation of a hydraulic jack and a connecting plate, the arc-shaped support plate can be driven to move up and down, and then the height of the arc-shaped support plate can be adjusted, so that tunnels at different heights can be supported, thereby improving the applicability of the device and facilitating installation and disassembly, thereby bringing convenience to coal mine safety support.

[0004] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] A coal mine safety support device comprises a base plate, vertical plates are installed at the four corners of the top surface of the base plate, connecting plates are slidably provided between two vertical plates located on the same side of the base plate, a hydraulic jack is installed on the bottom surface of each connecting plate, the hydraulic jack is connected to the base plate, two support rods distributed front and back are installed on the top surface of each connecting plate, the top ends of the four support rods are connected by a cross plate, an arc-shaped support plate is installed on the top surface of the cross plate, and the bottom surface of the arc-shaped support plate is connected to the cross plate by several evenly distributed fixing rods.

[0006] Furthermore, a fastening screw is installed on the top surface of the base plate, and the bottom end of the fastening screw can be hammered into the ground.

[0007] Furthermore, bolts are installed at the front and rear of each connecting plate, and a pad is installed on each bolt.

[0008] Furthermore, a connecting rod is installed between two corresponding support rods.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model has a simple structure and is easy to use. Through the cooperation of the hydraulic jack and the connecting plate, the arc support plate can be driven to move up and down, and the height of the arc support plate can be adjusted, so that tunnels at different heights can be supported, thereby improving the applicability of the device and facilitating installation and disassembly, thereby bringing convenience to the safe support of coal mines. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Attached Figure 2 yes Figure 1 Right view of;

[0013] The numbers shown in the accompanying drawings are: 1, bottom plate; 2, vertical plate; 3, connecting plate; 4, hydraulic jack; 5, support rod; 6, horizontal plate; 7, arc-shaped support plate; 8, fixing rod; 9, fastening screw; 10, bolt; 11, spacer; 12, connecting rod. DETAILED DESCRIPTION

[0014] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0015] like Figure 1-2 As shown, a coal mine safety support device described in the utility model includes a base plate 1, vertical plates 2 are installed at the four corners of the top surface of the base plate 1, and a connecting plate 3 is slidably provided between the two vertical plates 2 located on the same side of the base plate 1, and a hydraulic jack 4 is installed on the bottom surface of each connecting plate 3, and the hydraulic jack 4 is connected to the base plate 1, and two front-to-back distributed support rods 5 are installed on the top surface of each connecting plate 3, and the top ends of the four support rods 5 are connected by a cross plate 6, and an arc-shaped support plate 7 is installed on the top surface of the cross plate 6, and the bottom surface of the arc-shaped support plate 7 is connected to the cross plate 6 through several evenly distributed fixing rods 8.

[0016] Specifically, a fastening screw 9 is installed on the top surface of the bottom plate 1, and the bottom end of the fastening screw 9 can be driven into the ground. The fastening screw 9 can limit the bottom plate 1 and improve the stability of the bottom plate 1.

[0017] Specifically, bolts 10 are installed at the front and rear of each connecting plate 3, and a pad 11 is installed on each bolt 10. Through the cooperation of the bolts 10 and the pad 11, the connecting plate 3 can be limited, thereby ensuring the stability of the connecting plate 3.

[0018] Specifically, a connecting rod 12 is installed between two corresponding support rods 5. The connecting rod 12 supports the arc-shaped support plate 7, thereby improving the stability of the arc-shaped support plate 7.

[0019] Example:

[0020] When using the device, first fix the bottom plate 1 at the support position by fastening screws 9, and then operate the hydraulic jack 4 according to the support height. The operation of the hydraulic jack 4 drives the connecting plate 3 to move, and the movement of the connecting plate 3 drives the support rod 5 to move. The movement of the support rod 5 drives the cross plate 6 and the arc-shaped support plate 7 to move, and then the height of the arc-shaped support plate 7 is adjusted to support tunnels at different heights, thereby improving the applicability of the device.

[0021] The utility model has a simple structure and is easy to use. Through the cooperation of the hydraulic jack and the connecting plate, the arc support plate can be driven to move up and down, and the height of the arc support plate can be adjusted, so that tunnels at different heights can be supported, thereby improving the applicability of the device and facilitating installation and disassembly, thereby bringing convenience to the safe support of coal mines.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A coal mine safety support device, comprising a bottom plate (1), characterized in that: Vertical plates (2) are installed at the four corners of the top surface of the bottom plate (1); a connecting plate (3) is slidably provided between two vertical plates (2) located on the same side of the bottom plate (1); a hydraulic jack (4) is installed on the bottom surface of each connecting plate (3); the hydraulic jack (4) is connected to the bottom plate (1); two support rods (5) distributed front and back are installed on the top surface of each connecting plate (3); the top ends of the four support rods (5) are connected by a horizontal plate (6); an arc-shaped support plate (7) is installed on the top surface of the horizontal plate (6); and the bottom surface of the arc-shaped support plate (7) is connected to the horizontal plate (6) by a number of evenly distributed fixing rods (8).

2. A coal mine safety support device according to claim 1, characterized in that: A fastening screw (9) is installed on the top surface of the base plate (1), and the bottom end of the fastening screw (9) can be driven into the ground.

3. A coal mine safety support device according to claim 2, characterized in that: Bolts (10) are installed at the front and rear of each connecting plate (3), and a cushion block (11) is installed on each bolt (10).

4. A coal mine safety support device according to claim 1, characterized in that: A connecting rod (12) is installed between two corresponding support rods (5).

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