Protective barrier for mining blasting

Abstract

The protective barrier comprises a first plate body, one end of the first plate body is connected with multiple sets of block bodies, two sets of second plate bodies and two sets of frame bodies are arranged at one end of the first plate body, one end of the first plate body is rotationally connected with a first threaded rod, and the first threaded rod is in threaded connection with a sleeve body; the sleeve body, the two sets of second plate bodies and the two sets of frame bodies are all connected with bearing seats, the multiple sets of bearing seats are all rotationally connected with cylinders, the multiple sets of cylinders are connected with the multiple sets of connecting pieces correspondingly, and one ends of the two sets of second plate bodies and one ends of the two sets of frame bodies are all in threaded connection with two sets of second threaded rods. The first threaded rod is rotated to drive the sleeve body to move, the sleeve body drives the connecting piece to move, the second plate body and the frame body are driven by the connecting piece to move, the total area of the first plate body, the second plate body and the frame body is adjusted, mine holes of different sizes can be protected, and the protection effect is relatively good to a certain degree.

Description

Technical Field

[0001] This utility model relates to the field of mining-related technology, and in particular to a protective barrier for mining blasting. Background Technology

[0002] In mining, blasting is often used to break rocks into smaller pieces to facilitate subsequent excavation, transportation, and processing.

[0003] The existing announcement number is CN221280083U, which describes a blasting safety protection device for mining engineering. By incorporating shock-absorbing components, when miners blast inside a mine, the energy generated by the explosion is rapidly released, creating extremely high air pressure. This pressure wave spreads rapidly around the explosion center and then propagates outwards in a wave-like manner. The constant impact forces the protective plate inwards, causing it to be squeezed. During this squeezing, shock-absorbing springs connected at the four corners provide the first layer of shock absorption. Secondly, the inward squeezing of the protective plate causes a rotating plate to rotate inwards, providing a second layer of protection and supporting the protective plate with shock absorption. The steel protective plate offers stronger protection than traditional rubber protective devices and is suitable for large-scale blasting.

[0004] While the aforementioned issues can be addressed by using protective plates and shock-absorbing components to intercept the debris generated during blasting, the size of the protective plates is fixed, and the size of the mine shaft may vary, which to some extent affects the protective effect on mine shafts larger than the size of the protective plates. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a protective barrier for mining blasting.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A protective barrier for mining blasting includes a first plate, with multiple sets of blocks connected to one end of the first plate. Two sets of second plates and two sets of frames are provided at one end of the first plate. A first threaded rod is rotatably connected to one end of the first plate, and a sleeve is threaded onto the first threaded rod. Bearing seats are connected to the sleeve, the two sets of second plates, and the two sets of frames. Multiple sets of bearing seats are rotatably connected to cylinders, and the cylinders are respectively connected to multiple sets of connecting parts. Two sets of second threaded rods are threaded onto one end of each of the two sets of second plates and the two sets of frames, and double-ended threaded rods are rotatably connected to each of the two sets of frames.

[0008] Preferably, one end of each of the multiple sets of second threaded rods is connected to a disc.

[0009] Preferably, a plurality of hole bodies are formed in the second plate body.

[0010] Preferably, a third plate body is slidably connected to one end of each of the two frame bodies, and the two double-headed threaded rods are threadedly connected to the corresponding two third plate bodies.

[0011] Preferably, a plurality of groove bodies are formed in one end and the other end of the block body, and the plurality of groove bodies are slidably connected to the corresponding second plate body and frame body.

[0012] Preferably, the first threaded rod, the plurality of second threaded rods, and the two double-headed threaded rods are each connected to a hand wheel at one end.

[0013] Preferably, the two frame bodies and the two second plate bodies are not on the same horizontal line.

[0014] The beneficial effects of the present utility model are:

[0015] 1. By setting the cooperation between the second plate body, the frame body, and the threaded rod, rotating the first threaded rod drives the sleeve body to move, the sleeve body drives the connecting piece to move, the connecting piece drives the second plate body and the frame body to move, the total area of the first plate body, the second plate body, and the frame body is adjusted, which can be used for protecting different sizes of mine tunnels, and the protection effect is relatively good to a certain extent.

[0016] 2. By setting the cooperation between the second threaded rod, the disc, and the second plate body, rotating the second threaded rod drives the disc to move, the disc is tightly abutted against the inner wall of the mine tunnel, part of the internal of the mine tunnel is irregularly shaped, a plurality of discs can be adjusted to be tightly abutted against the inner wall of the mine tunnel, the device is fixed, and the applicability is relatively wide. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structural diagram of a protective barrier for mining and blasting is provided in the present utility model;

[0018] Figure 2 A Figure 1 A structural diagram of a third plate body, a double-headed threaded rod, and a frame body is provided in the present utility model;

[0019] Figure 3 A Figure 1 A structural diagram of a groove body, a bearing seat, and a cylinder is provided in the present utility model;

[0020] Figure 4 A Figure 1 A structural diagram of a first threaded rod, a sleeve body, and a connecting piece is provided in the present utility model;

[0021] Figure 5 A Figure 1 A structural diagram of a disc, a hole body, and a second threaded rod is provided in the present utility model.

[0022] In the figure: 1, the first plate body; 2, the block body; 3, the second plate body; 4, the frame body; 5, the bearing seat; 6, the cylinder; 7, the connecting piece; 8, the first threaded rod; 9, the sleeve body; 10, the third plate body; 11, the double-headed threaded rod; 12, the hole body; 13, the groove body; 14, the second threaded rod; 15, the disc. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Embodiment 1, refer to Figures 1 to 5 A protective barrier for mining blasting, comprising a first plate body 1, a plurality of block bodies 2 are connected at one end of the first plate body 1, two sets of second plate bodies 3 and two sets of frame bodies 4 are arranged at one end of the first plate body 1, a first threaded rod 8 is rotatably connected at one end of the first plate body 1, a sleeve body 9 is threadedly connected to the first threaded rod 8, rotating the first threaded rod 8 drives the sleeve body 9 to move, the sleeve body 9, the two sets of second plate bodies 3 and the two sets of frame bodies 4 are all connected with bearing seats 5, a plurality of bearing seats 5 are rotatably connected with cylinders 6, a plurality of cylinders 6 are connected with a plurality of connecting pieces 7 respectively, the sleeve body 9 moves to drive the connecting pieces 7 to move, the connecting pieces 7 drive the second plate bodies 3 and the frame bodies 4 to move away from the first threaded rod 8, two sets of second threaded rods 14 are threadedly connected at one end of the two sets of second plate bodies 3 and the two sets of frame bodies 4, double-headed threaded rods 11 are rotatably connected to the two sets of frame bodies 4, according to the size of the mine, rotating the first threaded rod 8 drives the second plate bodies 3 and the frame bodies 4 to move, so as to adjust the total area of the first plate body 1, the second plate bodies 3 and the frame bodies 4, which can protect the flying stones during blasting of the mine with different sizes to a certain extent.

[0025] In this embodiment, the plurality of second threaded rods 14 are connected with the disc 15 at one end, rotating the second threaded rod 14 drives the disc 15 to move, and the disc 15 is tightly pressed against the inner wall of the mine hole, so that the device can be fixed in the irregular mine hole as a whole, and the applicability is relatively wide. A plurality of hole bodies 12 are formed in the two second plate bodies 3, and the airflow generated during the explosion can be discharged through the hole bodies 12, so as to avoid the over-high air pressure in the mine hole. The third plate body 10 is slidably connected at one end of the two frame bodies 4, and the two double-headed threaded rods 11 are threadedly connected with the corresponding two third plate bodies 10, respectively. Rotating the double-headed threaded rod 11 drives the third plate body 10 to move, and fills the gap between the second plate body 3 and the frame body 4. The plurality of block bodies 2 are provided with the groove body 13 at one end and the other end, respectively, and the plurality of groove bodies 13 are slidably connected with the corresponding second plate body 3 and frame body 4, respectively. The groove body 13 avoids that the second plate body 3 and the frame body 4 move too long and slide out of the first plate body 1. The first threaded rod 8, the plurality of second threaded rods 14 and the two double-headed threaded rods 11 are connected with the hand wheel at one end, so that the first threaded rod 8, the second threaded rod 14 and the double-headed threaded rod 11 are more conveniently rotated through the hand wheel. The two frame bodies 4 and the two second plate bodies 3 are not on the same horizontal line, so as to avoid that the frame body 4 and the second plate body 3 collide when moving, and the expansion distance of the second plate body 3 and the frame body 4 is limited.

[0026] The working principle of the embodiment is as follows: in use, the first threaded rod 8 is rotated according to the size of the mine hole, the sleeve body 9 is driven to move, the sleeve body 9 drives the second plate body 3 and the frame body 4 to move away from the first threaded rod 8 through the connecting piece 7, the total area of the first plate body 1, the second plate body 3 and the frame body 4 is expanded, the third plate body 10 is driven to move by rotating the double-headed threaded rod 11, and the gap between the second plate body 3 and the frame body 4 is filled, so as to protect the splashed gravel to a certain extent when the mine hole of different sizes is blasted, the protection effect is relatively good, the disc 15 is driven to move by rotating the second threaded rod 14, the disc 15 is tightly pressed against different positions of the mine hole, the device can be fixed in the irregular mine hole, the applicability is relatively wide, and the airflow generated during the explosion can be discharged through the hole body 12 on the second plate body 3, so as to avoid the over-high air pressure in the mine hole.

[0027] The above merely describes the preferred specific implementation 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 replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A protective barrier for mining blasting comprising a first plate body (1), characterized in that, The first plate body (1) is connected with a plurality of groups of blocks (2) at one end, and is provided with two groups of second plate bodies (3) and two groups of frame bodies (4) at one end, and is rotatably connected with a first threaded rod (8) at one end, and the first threaded rod (8) is threadedly connected with a sleeve body (9), and the sleeve body (9), the two groups of second plate bodies (3) and the two groups of frame bodies (4) are all connected with bearing seats (5), and a plurality of groups of the bearing seats (5) are all rotatably connected with cylinders (6), and a plurality of groups of the cylinders (6) are respectively connected with a plurality of groups of connecting pieces (7), and the two groups of second plate bodies (3) and the two groups of frame bodies (4) are all threadedly connected with two groups of second threaded rods (14) at one end, and the two groups of frame bodies (4) are all rotatably connected with double-headed threaded rods (11) at one end.

2. A protective barrier for use in mining blasting as claimed in claim 1, wherein, The second threaded rods (14) are connected with disc bodies (15) at one end.

3. A protective barrier for use in mining blasting as claimed in claim 1, wherein, The second plate bodies (3) are all provided with a plurality of groups of hole bodies (12) at one end.

4. A protective barrier for use in mining blasting as claimed in claim 1, wherein, The frame bodies (4) are all slidably connected with third plate bodies (10) at one end, and the double-headed threaded rods (11) are respectively threadedly connected with the corresponding two groups of third plate bodies (10).

5. A protective barrier for use in mining blasting as claimed in claim 1, wherein, The blocks (2) are all provided with groove bodies (13) at one end and the other end, and the groove bodies (13) are respectively slidably connected with the corresponding second plate bodies (3) and frame bodies (4).

6. A protective barrier for use in mining blasting as claimed in claim 1, wherein, The first threaded rod (8), the second threaded rods (14) and the double-headed threaded rods (11) are all connected with hand wheels at one end.

7. A protective barrier for use in mining blasting as claimed in claim 1, wherein, The two groups of frame bodies (4) and the two groups of second plate bodies (3) are not on the same horizontal line.

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