A type of anti-collapse support for coal mining

Abstract

This utility model discloses a coal mine anti-collapse support, including an anti-tipping support and an anti-collapse net. The anti-tipping support includes support rods and support plates. A pair of support rods are arranged symmetrically and connected by an adjustment mechanism. Anti-tipping mechanisms are installed at the bottom of each support rod, and support plates are connected to the top of each support rod via a lifting mechanism. Each lifting mechanism simultaneously pushes the support plates to press them tightly against the mine face. Multiple anti-tipping supports are arranged sequentially, and adjacent anti-tipping supports are connected by an anti-collapse net located above. The advantages of this utility model compared to existing technologies are: the lifting mechanism drives the support plates to press tightly against the mine face, enhancing the support force on the roof and side walls and improving overall stability; the anti-tipping mechanism increases the friction between the bottom of the support and the ground, preventing tilting and further improving safety; the adjustment mechanism allows the position of the support plates to be adjusted according to actual conditions, adapting to mines of different shapes and sizes.

Description

Technical Field

[0001] This utility model relates to the field of coal mining technology, specifically to a coal mining anti-collapse support. Background Technology

[0002] In the process of coal mining, especially when the coal seam is thin and manual mining is required, the stability and safety of the mine shaft become the primary considerations.

[0003] In traditional methods, to prevent sudden collapse of the roof rock, a single anti-collapse net or a simple arch support is usually used. A single anti-collapse net cannot effectively prevent the simultaneous collapse of the sidewalls and the roof, especially when the coal seam is thin, the pressure on the sidewalls and the roof is even more difficult to balance. A simple arch support is difficult to adjust flexibly according to different geological conditions and mining requirements, which limits its applicability and lacks sufficient support to resist complex geological pressures, making it prone to deformation and overturning. Therefore, a new type of anti-collapse support is needed for coal mining. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the above-mentioned technical defects and provide a new type of anti-collapse support for coal mine mining.

[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a coal mine anti-collapse support, including an anti-tipping support and an anti-collapse net;

[0006] The anti-tipping support includes support rods and support plates. There is a pair of support rods. The two support rods are placed symmetrically and connected by an adjustment mechanism. The bottom of each support rod is equipped with an anti-tipping mechanism, and the top of each support rod is connected to a support plate through a lifting mechanism. Each lifting mechanism simultaneously pushes each support plate to fit tightly against the mining face of the mine.

[0007] Multiple anti-tipping supports are arranged in sequence, and adjacent anti-tipping supports are connected by an anti-collapse net located above.

[0008] As an improvement, the lifting mechanism includes a hydraulic telescopic rod; one end of the hydraulic telescopic rod is fixed to the top of the support rod, and the other end is connected to the bottom surface of the support plate.

[0009] As an improvement, the support plate is an L-shaped plate. Under the push of the hydraulic telescopic rod, the horizontal plate is close to the top surface of the mine shaft, and the vertical plate is close to the side wall of the mine shaft.

[0010] As an improvement, the adjustment mechanism includes a fixed adjustment plate, an adjustment hole, and a positioning screw;

[0011] The top surface of the support plate is provided with an adjustment groove, and the adjustment groove is provided with adjustment holes that pass through the support plate evenly. There are multiple adjustment holes evenly arranged. After the fixed adjustment plate is placed into the adjustment groove of a set of support plates of the anti-tipping bracket, a pair of positioning screws passing through the corresponding adjustment holes are provided on the bottom surface. After the nut is threadedly connected to the bottom end of the positioning screw, it is tightly attached to the bottom surface of the support plate.

[0012] As an improvement, the anti-tipping mechanism includes a sleeve, a diagonal bar, and a positioning cone;

[0013] The sleeve is slidably set around the bottom of each support rod, and the diagonal rod is set on the bottom surface of the sleeve. Multiple diagonal rods are evenly arranged along the edge of the sleeve. After each support rod is placed close to the ground, the sleeve is pushed down, and each diagonal rod is close to the ground through the positioning cone set on the bottom surface.

[0014] As an improvement, the anti-tipping mechanism also includes a linkage;

[0015] After the diagonal bar is hinged to the bottom surface of the sleeve, the other end is hinged to a connecting rod that is hinged to the bottom side wall of the support rod. The sleeve moves down and pushes each diagonal bar to unfold under the action of the connecting rod.

[0016] As an improvement, the anti-collapse net is made of steel wire mesh. After being cut, the anti-collapse net is fixed to the top surface of the support plate with bolts, which facilitates installation and maintenance.

[0017] The advantages of this utility model compared with the prior art are as follows:

[0018] 1. The L-shaped support plate is driven by a hydraulic telescopic rod to fit tightly against the mining face, which enhances the support for the roof and sidewalls and improves the overall stability;

[0019] 2. The anti-tipping mechanism, composed of diagonal braces and positioning cones, increases the friction between the bottom of the support and the ground, preventing the support from tipping over and further improving the safety of the working environment;

[0020] 3. The adjustment mechanism allows the position of the support plate to be adjusted according to the actual situation, so that the support can adapt to mines of different shapes and sizes. Attached Figure Description

[0021] Figure 1 This is a diagram showing the overall usage status of a coal mine anti-collapse support according to this utility model.

[0022] Figure 2 This is a first perspective view of an anti-tipping support for a coal mine anti-collapse support according to the present invention.

[0023] Figure 3 This is a second perspective view of an anti-tipping support for a coal mine anti-collapse support according to the present invention.

[0024] Figure 4 This is a three-dimensional view of a support rod for a coal mine anti-collapse support according to the present invention.

[0025] As shown in the figure: 1. Anti-collapse net; 2. Support rod; 3. Support plate; 4. Hydraulic telescopic rod; 5. Fixed adjustment plate; 6. Adjustment hole; 7. Positioning screw; 8. Adjustment groove; 9. Sleeve; 10. Diagonal bar; 11. Positioning cone; 12. Connecting rod. Detailed Implementation

[0026] In the description of this utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] Example 1

[0029] A type of anti-collapse support for coal mine mining, combined with... Figure 1-3 As shown, the system includes an anti-tipping support and an anti-collapse net 1. The anti-tipping support includes support rods 2 and support plates 3. There is a pair of support rods 2, which are symmetrically placed and connected by an adjustment mechanism. The top of each support rod 2 is connected to a support plate 3 by a lifting mechanism. Each lifting mechanism simultaneously pushes each support plate 3 to be close to the mining face. The lifting mechanism includes a hydraulic telescopic rod 4. One end of the hydraulic telescopic rod 4 is fixed to the top of the support rod 2, and the other end is connected to the bottom surface of the support plate 3. The support plate 3 is an L-shaped plate. Under the push of the hydraulic telescopic rod 4, the horizontal plate of the support plate 3 is close to the top surface of the mining face, and the vertical plate is close to the side wall of the mining face, which facilitates the adjustment of the support height according to the height of the mining face.

[0030] The adjustment mechanism includes a fixed adjustment plate 5, adjustment holes 6, and positioning screws 7. The top surface of the support plate 3 is provided with an adjustment groove 8, and the adjustment groove 8 is provided with adjustment holes 6 that pass through the support plate 3 evenly. Multiple adjustment holes 6 are evenly arranged. After the fixed adjustment plate 5 is placed into the adjustment groove 8 of a set of support plates 3 of the anti-tipping bracket, a pair of positioning screws 7 that pass through the corresponding adjustment holes 6 are provided on the bottom surface. After the nut is threadedly connected to the bottom end of the positioning screw 7, it is tightly attached to the bottom surface of the support plate 3. The support width can be adjusted according to the width of the mine tunnel.

[0031] Multiple anti-tipping supports are arranged in sequence, and adjacent anti-tipping supports are connected by an anti-collapse net 1 located above. The anti-collapse net 1 is a steel wire protective net. After the anti-collapse net 1 is cut, it is fixed to the top surface of the support plate 3 with bolts for easy installation and maintenance. Multiple anti-tipping supports are arranged as needed, and then the anti-collapse net 1 is laid on top to improve the anti-collapse effect.

[0032] Both support rods 2 are equipped with an anti-tipping mechanism at their bottom. The anti-tipping mechanism includes a sleeve 9, a diagonal rod 10, and a positioning cone 11. The sleeve 9 is slidably disposed around the bottom of each support rod 2. The diagonal rod 10 is disposed on the bottom surface of the sleeve 9 and is evenly disposed along the edge of the sleeve 9. After each support rod 2 is placed close to the ground, the sleeve 9 is pushed down. Each diagonal rod 10 is in close contact with the ground through the positioning cone 11 on the bottom surface, which can improve stability during use.

[0033] Example 2

[0034] Based on Example 1, combined with Appendix Figure 4 As shown, the anti-tipping mechanism also includes a connecting rod 12; after the diagonal rod 10 is hinged to the bottom surface of the sleeve 9, the other end is hinged to the connecting rod 12 which is hinged to the bottom side wall of the support rod 2. The sleeve 9 moves down to push each diagonal rod 10 to unfold under the action of the connecting rod 12. When in use, a heavy hammer or the like is used to press down on the sleeve 9, so that it pushes the diagonal rod 10 to unfold under the action of the connecting rod 12 until the bottom positioning cone 11 extends into the bottom surface. This can support the support rod 2 around the perimeter during use and prevent it from tipping over.

[0035] In the specific implementation of this utility model, a pair of support rods 2 are connected by an adjustment mechanism. The position of the support plate 3 is finely adjusted according to the site conditions to ensure the best support effect and to ensure that the anti-tipping mechanism at the bottom of the two support rods 2 is in an activated state. A steel wire protective net is laid between adjacent anti-tipping supports and fixed with bolts to form a continuous protective barrier.

[0036] Then, the L-shaped support plate 3 is pushed by the hydraulic telescopic rod 4 to ensure that the horizontal plate is close to the top of the mine and the vertical plate is close to the side wall. The sleeve 9 is pressed down to unfold the diagonal rod 10 and firmly embed it into the ground through the positioning cone 11, thus completing the construction of the entire support system.

[0037] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A coal mine anti-collapse support, characterized in that: Including anti-tipping supports and anti-collapse nets (1); The anti-tipping support includes a support rod (2) and a support plate (3). There is a pair of support rods (2). After the two support rods (2) are placed symmetrically, they are connected by an adjustment mechanism. The bottom of both support rods (2) is equipped with an anti-tipping mechanism, and the top of both support rods (2) is connected to the support plate (3) through a lifting mechanism. Each lifting mechanism simultaneously pushes each support plate (3) to be close to the mining face of the mine. Multiple anti-tipping supports are arranged in sequence, and adjacent anti-tipping supports are connected by an anti-collapse net located above (1).

2. The anti-collapse support for coal mining according to claim 1, characterized in that: The lifting mechanism includes a hydraulic telescopic rod (4); one end of the hydraulic telescopic rod (4) is fixed to the top of the support rod (2), and the other end is connected to the bottom surface of the support plate (3).

3. The anti-collapse support for coal mine mining according to claim 2, characterized in that: The support plate (3) is an L-shaped plate. Under the push of the hydraulic telescopic rod (4), the horizontal plate of the support plate (3) is close to the top surface of the mine and the vertical plate is close to the side wall of the mine.

4. The anti-collapse support for coal mining according to claim 1, characterized in that: The adjustment mechanism includes a fixed adjustment plate (5), an adjustment hole (6), and a positioning screw (7); The top surface of the support plate (3) is provided with an adjustment groove (8), and the adjustment groove (8) is provided with an adjustment hole (6) that passes through the support plate (3) evenly. There are multiple adjustment holes (6) evenly arranged. After the fixed adjustment plate (5) is placed in the adjustment groove (8) of the anti-tipping bracket set support plate (3), a pair of positioning screws (7) passing through the corresponding adjustment holes (6) are provided on the bottom surface. After the nut is threadedly connected to the bottom end of the positioning screw (7), it is tightly attached to the bottom surface of the support plate (3).

5. The anti-collapse support for coal mining according to claim 1, characterized in that: The anti-tipping mechanism includes a sleeve (9), a diagonal bar (10), and a positioning cone (11); The sleeve (9) is slidably set around the bottom of each support rod (2), and the diagonal rod (10) is set on the bottom surface of the sleeve (9), and multiple rods are evenly set along the edge of the sleeve (9). After each support rod (2) is placed close to the ground, the sleeve (9) is pushed down, and each diagonal rod (10) is close to the ground through the positioning cone (11) set on the bottom surface.

6. The anti-collapse support for coal mining according to claim 5, characterized in that: The anti-tipping mechanism also includes a linkage (12); After the diagonal bar (10) is hinged to the bottom surface of the sleeve (9), the other end is hinged to a connecting rod (12) which is hinged to the bottom side wall of the support rod (2). The sleeve (9) moves down and pushes each diagonal bar (10) to unfold under the action of the connecting rod (12).

7. The anti-collapse support for coal mining according to claim 1, characterized in that: The anti-collapse net (1) is a steel wire protective net. After the anti-collapse net (1) is cut, it is fixed to the top surface of the support plate (3) with bolts.

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