Supporting structure for coal mining
By designing a coal mine excavation support structure with curved plates, buffer plates and movable bottom plates, the problem of unstable support structure is solved, the stability and protection effect of the equipment in the mine are improved, and safety is ensured.
Patent Information
- Application Number
- CN202423188668.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing coal mine excavation support structures may become unstable after long-term use, leading to safety hazards.
A coal mine excavation support structure including an arc plate, a buffer plate, a movable bottom plate and a hydraulic rod is designed. The buffer plate is set to provide buffering, the auxiliary bracket is used to increase stability, and the movable bottom plate and rollers are used to facilitate the movement and fixation of the equipment.
It improves the stability and mobility of the equipment in the mine, enhances the protection against falling rocks, and ensures the safety of equipment and personnel.
Smart Images
Figure CN223469284U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to coal mine supporting technical field, more specifically, especially relate to a coal mining support structure. BACKGROUND
[0002] The coal mining support structure is a key part to ensure the safety of mining operations, and its core purpose is to maintain a safe working space and prevent rock falling or roof collapse. It is commonly used to support the roof of a mining field, maintain a safe working space, and improve the flexibility and integrity of surrounding rock through prestressed compression of surrounding rock to achieve the purpose of deep reinforcement.
[0003] Based on the above, the coal mining support structure plays an important role in coal mining, ensuring the safety and efficiency of mining operations. At the same time, with the continuous progress and innovation of technology, the coal mining support structure is constantly optimized and improved to adapt to more complex and variable mining environments. However, the commonly used coal mining support structure may become unstable after long-term use due to the complex geological conditions of the coal mining working face, leading to the collapse of the support structure and posing a safety hazard to coal production. Therefore, a new type of coal mining support structure is needed. SUMMARY
[0004] To solve the above technical problems, the utility model provides a coal mining support structure to solve the problem of instability of the existing coal mining support structure after long-term use.
[0005] The utility model relates to a coal mining support structure, which is achieved by the following specific technical means:
[0006] A coal mining support structure, comprising an arc-shaped plate, a buffer plate, and a movable bottom plate.
[0007] The left and right ends of the arc-shaped plate are fixedly connected with fixed plates, and an auxiliary support is connected between the two fixed plates. The buffer plate is clamped on the inner side of the lower end of the arc-shaped plate, and the inner side surface of the arc-shaped plate is tightly attached to the outer side surface of the buffer plate. Two groups of lamp strips are installed on the inner side of the lower end of the buffer plate. The movable bottom plates are placed on the lower ends of the two fixed plates, and two groups of hydraulic rods are fixedly connected to the upper ends of the movable bottom plates. The upper ends of the hydraulic rods are fixedly connected with the lower ends of the fixed plates, and a positioning hole is provided at the center end of the movable bottom plate.
[0008] Further, the inner side of the buffer plate is fixedly connected with the upper end of the auxiliary support.
[0009] Further, the center end of the fixed plate is fixedly connected with a telescopic plate on the lower side, the lower side of the telescopic plate is connected with a connecting plate, and a positioning rod is connected to the inner side lower end of the two connecting plates. The positioning rod corresponds to the positioning hole.
[0010] Further, the inner side of the telescopic plate is connected with two groups of inclined rods, and the upper end of the inclined rod is fixedly connected with the lower end of the fixed plate.
[0011] Further, two groups of the movable bottom plate are provided with two groups of square holes, and three groups of rollers are arranged in the square holes.
[0012] Further, the front and rear sides of the two groups of movable bottom plates are provided with round holes, and fixed bolts are clamped in the round holes on the movable bottom plate.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] 1. The movable bottom plate is arranged, two groups of square holes are arranged on the movable bottom plate, and three groups of rollers are arranged in the square holes, so that the equipment can be conveniently moved in the mine tunnel by the rollers, and the equipment is conveniently used by being fixed by the fixed bolts after being moved to the appropriate position.
[0015] 2. The buffer plate is arranged, the buffer plate is clamped on the inner side of the lower end of the arc-shaped plate, and the inner side of the buffer plate is fixedly connected with the upper end of the auxiliary support, so that the buffer plate can provide buffering when the falling rocks fall, the protection effect is increased, and the stability of the equipment is increased by the auxiliary support.
[0016] 3. The telescopic plate is arranged, the telescopic plate is fixedly connected with the center end lower side of the two groups of fixed plates, so that the falling rocks on the two sides of the mine are prevented from falling, and the equipment or the staff on the inner side of the equipment is protected. DETAILED DESCRIPTION
[0017] Figure 1 It is a structural schematic view of the utility model.
[0018] Figure 2 It is a structural schematic view of the utility model after the hydraulic rod and the telescopic plate are unfolded.
[0019] Figure 3 It is a structural schematic view of the buffer plate of the utility model.
[0020] Figure 4 It is a structural schematic view of the movable bottom plate and the telescopic plate of the utility model.
[0021] In the drawing, the corresponding relationship between the component names and the drawing numbers is as follows:
[0022] 1. Arc-shaped plate; 2. Buffer plate; 3. Fixed plate; 4. Hydraulic rod; 5. Movable bottom plate; 6. Fixed bolt; 7. Auxiliary support; 8. Inclined rod; 9. Telescopic plate; 10. Connecting plate; 11. Positioning rod; 12. Positioning hole; 13. Roller; 14. Lamp strip. DETAILED DESCRIPTION
[0023] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0024] Embodiment:
[0025] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:
[0026] The utility model provides a coal mine mining support structure, including arc plate 1, buffer board 2, movable bottom plate 5,
[0027] The left and right ends of the arc plate 1 are fixedly connected with the fixed plates 3, and the auxiliary supports 7 are connected between the two groups of fixed plates 3, the buffer board 2 is clamped on the inner side of the lower end of the arc plate 1, the inner side surface of the arc plate 1 is close to the outer side surface of the buffer board 2, two groups of lamp strips 14 are installed on the inner side of the lower end of the buffer board 2, the two groups of movable bottom plates 5 are arranged at the lower ends of the two groups of fixed plates 3, and the two groups of hydraulic rods 4 are fixedly connected to the upper ends of the movable bottom plates 5, the upper ends of the hydraulic rods 4 are fixedly connected with the lower ends of the fixed plates 3, and the positioning holes 12 are arranged at the center ends of the movable bottom plates 5.
[0028] Among them, as shown in the accompanying Figure 3 The inner side of the buffer board 2 is fixedly connected with the upper end of the auxiliary support 7, the buffer board 2 provides buffering when the falling rocks fall, the protection effect is increased, and the stability of the equipment is increased by using the auxiliary support 7.
[0029] Among them, as shown in the accompanying Figure 2 And Figure 4 The lower sides of the center ends of the two groups of fixed plates 3 are fixedly connected with the expansion plates 9, the lower sides of the expansion plates 9 are connected with the connecting plates 10, the positioning rods 11 are connected to the inner lower ends of the two groups of connecting plates 10, the positioning rods 11 correspond to the positioning holes 12, the expansion plates 9 are stretched during equipment installation, so that the positioning rods 11 are clamped in the positioning holes 12, the falling rocks on both sides of the mine are prevented from falling, and the equipment or workers on the inner side of the equipment are protected.
[0030] Among them, as shown in the accompanying Figure 2 The inner sides of the two groups of expansion plates 9 are connected with the two groups of inclined rods 8, the upper ends of the inclined rods 8 are fixedly connected with the lower ends of the fixed plates 3, and the stability of the expansion plates 9 is increased by using the inclined rods 8 during use.
[0031] Among them, as shown in the accompanying Figure 4 Two groups of square holes are arranged on the two groups of movable bottom plates 5, and three groups of rollers 13 are arranged in the square holes, round holes are arranged on the front and rear sides of the two groups of movable bottom plates 5, and fixed pegs 6 are clamped in the round holes on the movable bottom plates 5, the rollers 13 facilitate the movement of the equipment in the mine, and the fixed pegs 6 are used for auxiliary fixing after the equipment is moved to a suitable position, so that the subsequent equipment use is facilitated.
[0032] The specific use mode and role of the embodiment are as follows:
[0033] As shown in Figures 1 to 4 The utility model discloses, and the roller 13 is convenient in the mine hole and pushes the equipment movement, utilizes fixed peg 6 to carry out the supplementary fixing after suitable position, and the subsequent equipment is convenient to use, utilizes the buffer plate 2 and provides the buffer when the rockfall falls, increases the protection effect, utilizes the supplementary support 7 and increases the stability of equipment, equipment installation utilizes the telescopic plate 9 and stretches, makes the positioning rod 11 carding in the positioning hole 12, prevents the rockfall of both sides of the mine hole and falls, and through the slope 8 increases the stability of telescopic plate 9.
[0034] The utility model does not elaborate, all are the known technology of the person skilled in the art.
Claims
1. A coal mining extraction support structure characterised in that: The utility model relates to a kind of arc plate (1), buffer plate (2) and movable bottom plate (5); The left and right ends of the arc plate (1) are fixedly connected with the fixed plates (3) on the lower side, and the auxiliary supports (7) are connected between the two groups of fixed plates (3), the buffer plate (2) is clamped inside the lower end of the arc plate (1), the inner surface of the arc plate (1) is close to the outer surface of the buffer plate (2), and two groups of lamp strips (14) are installed inside the lower end of the buffer plate (2), the two groups of movable bottom plates (5) are placed at the lower end of the two groups of fixed plates (3), and the two groups of hydraulic rods (4) are fixedly connected with the upper end of the movable bottom plate (5), the upper end of the hydraulic rod (4) is fixedly connected with the lower end of the fixed plate (3), and the positioning hole (12) is arranged at the center end of the movable bottom plate (5).
2. A coal mining extraction support structure as claimed in claim 1 wherein: The inner side of the buffer plate (2) is fixedly connected with the upper end of the auxiliary support (7).
3. A coal mining extraction support structure as claimed in claim 1 wherein: The lower side of the center end of the two groups of fixed plates (3) is fixedly connected with the telescopic plates (9), the lower side of the telescopic plate (9) is connected with the connecting plates (10), and the positioning rods (11) are connected with the inner lower end of the two groups of connecting plates (10), and the positioning rods (11) correspond to the positioning holes (12).
4. A coal mining extraction support structure as claimed in claim 3 wherein: The inner side of the two groups of telescopic plates (9) is connected with the two groups of inclined rods (8), and the upper end of the inclined rod (8) is fixedly connected with the lower end of the fixed plate (3).
5. A coal mining extraction support structure as claimed in claim 1 wherein: Two groups of square holes are arranged on the two groups of movable bottom plates (5), and three groups of rollers (13) are arranged in the square holes.
6. A coal mining extraction support structure as claimed in claim 1 wherein: Round holes are arranged on the front and rear sides of the two groups of movable bottom plates (5), and the fixed bolts (6) are clamped in the round holes on the movable bottom plate (5).