Safety baffle for fully-closed system of coal mine reversed loader

Abstract

The invention relates to a safety baffle for a fully-closed system of a coal mine reversed loader, and relates to the technical field of safety protection of coal mine reversed loaders. The baffle assemblies are arranged in the roadway, the multiple baffle assemblies are evenly arranged in the length direction of the roadway, each baffle assembly comprises a horizontal baffle and a vertical baffle, the horizontal baffles are fixed to the bottom face of the roadway, and the vertical baffles are fixedly arranged on the horizontal baffles; a first hydraulic cylinder is arranged on the side, away from the reversed loader, of each vertical baffle, the first hydraulic cylinders are vertically arranged, and the fixed ends of the first hydraulic cylinders are connected with the horizontal baffles; a first cover plate is hinged to the top of each vertical baffle, a first connecting plate is fixedly connected to the side, away from the reversed loader, of the first cover plate, and a first rotating shaft is fixedly arranged on the side, close to the first hydraulic cylinder, of the first connecting plate. The first cover plate can be driven by the first hydraulic cylinder to be switched between the vertical position and the horizontal position, and the functions of opening and closing the first cover plate are achieved.

Description

Technical Field

[0001] The present application relates to the technical field of safety protection for coal mine transfer machines, and in particular to a safety baffle for a fully enclosed system of a coal mine transfer machine. Background Art

[0002] Coal mine transfer machines generate a lot of coal dust during operation. In order to ensure the safety of the working environment and reduce the harm of coal dust to human health, the transfer machines usually need to be fully enclosed. In practical applications, the safety of the fully enclosed system of the transfer machine is not only related to the life safety of the operators, but also directly affects the production efficiency of the coal mine and the environmental protection level of the entire working environment. Therefore, how to improve the safety of the fully enclosed system of the transfer machine while ensuring work efficiency has become one of the urgent problems to be solved in the coal mining industry.

[0003] In order to ensure the safety and reliability of the fully enclosed system of the transfer machine, coal mining enterprises usually use baffle structures to block the transfer machine. Common means include fixed baffles and manual movable baffles. Although the fixed baffle has a simple structure, it is not easy to adjust and cannot adapt to the needs of different working conditions; although the manual movable baffle has a certain adjustment ability, there are safety hazards during operation, which can easily cause injuries to operators.

[0004] The baffle structures in the above-mentioned prior arts all have certain defects. In particular, when the transfer machine is in operation, the rapid opening and closing function of the baffle is difficult to achieve, and maintenance or cleaning work cannot be conveniently performed in a closed state. When the machine head needs to pass through, the baffle cannot be opened quickly, which in turn has a certain impact on existing production operations. Summary of the invention

[0005] In order to overcome the above technical problems, the present application provides a safety baffle for a fully enclosed system of a coal mine transfer machine.

[0006] The present application provides a safety baffle for a fully enclosed system of a coal mine transfer machine, which adopts the following technical solution: A safety baffle for a fully enclosed system of a coal mine transfer machine comprises a baffle assembly and a first support assembly; the baffle assembly is arranged in a tunnel, and a plurality of groups are evenly arranged along the length direction of the tunnel, the baffle assembly comprises a horizontal baffle and a vertical baffle, the horizontal baffle is fixed on the bottom surface of the tunnel, and the vertical baffle is fixedly arranged on the horizontal baffle; a first hydraulic cylinder is arranged vertically on the side of each vertical baffle away from the transfer machine, and its fixed end is connected to the horizontal baffle; a first cover plate is hinged on the top of each vertical baffle, a first connecting plate is fixedly connected on the side of the first cover plate away from the transfer machine, and a first rotating shaft is fixedly arranged on the side of the first connecting plate close to the first hydraulic cylinder; the movable end of the first hydraulic cylinder is rotatably connected to the first rotating shaft, and when the piston rod of the first hydraulic cylinder is shortened, the first cover plate can be driven to be in a vertical position, and when the piston rod of the first hydraulic cylinder is extended, the first cover plate can be driven to be in a horizontal position; the first support assembly is arranged between the first cover plate and the vertical baffle, and when the first cover plate is in a horizontal position, it is used to support the first cover plate.

[0007] By adopting the above technical solution, the baffle assembly composed of the horizontal baffle and the vertical baffle can effectively block the debris in the tunnel; the first hydraulic cylinder drives the first cover plate to switch between the vertical position and the horizontal position, realizing the opening and closing function of the first cover plate; the first support assembly provides a stable support when the first cover plate is in the horizontal position, thereby enhancing the safety and reliability of the entire system; through the setting of the horizontal baffle, the horizontal baffle can be fixed on the bottom surface of the tunnel, and the structural support can be provided for the vertical baffle; through the setting of the vertical baffle, it can play a protective role for the transfer machine; through the setting of the first hydraulic cylinder, it can provide power for the rotation of the first cover plate. Support; the first cover plate can be opened and closed by setting the first cover plate and hingedly connecting the first cover plate to the vertical baffle; the first connecting plate and the first rotating shaft can provide structural support for the connection between the first hydraulic cylinder and the first cover plate; when the head of the scraper passes through, the piston rod of the first hydraulic cylinder is shortened to drive the first cover plate to rotate until the first cover plate rotates to a vertical position, at which time the first cover plate is in an open state and the head can pass normally; when the head has passed, the piston rod of the first hydraulic cylinder is extended to drive the first cover plate to rotate until the first cover plate rotates to a horizontal position, at which time the first cover plate is in a closed state.

[0008] Optionally, the first supporting assembly includes a first fixed block, a first supporting block and a first connecting rod; the first fixed block is fixedly arranged on a side of the vertical baffle close to the transfer machine, a first sliding groove is provided on a side of the first cover plate away from the first connecting plate, and the first supporting block is slidably arranged in the first sliding groove; one end of the first connecting rod is hinged to the first fixed block, and the other end is hinged to the first supporting block; when the first cover plate is in a horizontal position, the first supporting block and a side of the first sliding groove away from the vertical baffle abut against each other.

[0009] By adopting the above technical solution, when the first cover plate is in a horizontal position, the first support block and the side of the first slide groove away from the vertical baffle abut against each other, thereby ensuring that the first cover plate can be firmly supported in a horizontal position, effectively preventing the first cover plate from sagging or tilting due to its own weight or external impact, and improving the safety and reliability of the system during operation to a certain extent.

[0010] Optionally, a second cover plate is provided at one end of the first cover plate away from the baffle plate, and the second cover plate is connected to the first cover plate. The second cover plate is used to prevent workers from falling onto the transfer machine when cleaning the triangular coal.

[0011] By adopting the above technical solution, the length of the first cover plate can be extended by the second cover plate, thereby further sealing the transfer machine and preventing workers from falling onto the transfer machine when cleaning the triangular coal.

[0012] Optionally, a first connecting block is fixedly connected to one end of the first cover plate close to the second cover plate, and a second connecting block is fixedly connected to one end of the second cover plate close to the first cover plate, a second rotating shaft is provided on the side where the first connecting block and the second connecting block are close to each other, and the first connecting block and the second connecting block are both rotatably connected to the second rotating shaft; a second hydraulic cylinder is provided on the side of the first cover plate close to the first connecting block, and the fixed end of the second hydraulic cylinder is connected to the first cover plate; a second connecting plate is fixedly connected to the side of the second cover plate away from the second connecting block, and the second connecting plate is hinged to the piston rod of the second hydraulic cylinder, and when the piston rod of the second hydraulic cylinder is shortened, it can drive the second cover plate and the first cover plate to be in the same plane, and when the piston rod of the second hydraulic cylinder of the gear lever is extended, it can drive the second cover plate and the first cover plate to be perpendicular to each other.

[0013] By adopting the above technical solution, the first cover plate and the second cover plate are rotatably connected through the first connecting block and the second connecting block, and with the help of the telescopic action of the piston rod of the second hydraulic cylinder, the second cover plate and the first cover plate are switched between the same plane or perpendicular to each other, which effectively improves the overall protection effect and functional flexibility of the safety baffle. Specifically, when the first cover plate is in the closed state, the piston rod of the second hydraulic cylinder is shortened, driving the second cover plate and the first cover plate to be in the same plane, enhancing the safety protection of workers when cleaning triangular coal. At this time, the first cover plate and the second cover plate are both in the closed state; when the first cover plate is switched from the closed state to the open state, the piston rod of the second hydraulic cylinder is also extended, so that the second cover plate and the first cover plate are in a perpendicular state to each other, which can avoid the second cover plate from colliding with the top of the tunnel.

[0014] Optionally, the longitudinal sections of the first connecting block and the second connecting block are both right-angled triangles, one right-angled side of the first connecting block is fixedly connected to the first cover plate, and one right-angled side of the second connecting block is fixedly connected to the second cover plate, and when the first cover plate and the second cover plate are in the same plane, another right-angled side of the first connecting block abuts against another right-angled side of the second connecting block.

[0015] By adopting the above technical solution, the longitudinal sections of the first connecting block and the second connecting block are both right-angled triangles. When the first cover plate and the second cover plate are both in a closed state, the first cover plate and the second cover plate can be stably connected and maintained in the same plane, thereby enhancing the stability of the structure. At the same time, the right-angled sides of the first connecting block and the second connecting block abut against each other, further improving the overall stability when the first cover plate and the second cover plate are in the same plane.

[0016] Optionally, a second support assembly is further provided between the first cover plate and the second cover plate, and the second support assembly includes a second fixed block, a second support block and a second connecting rod; the second fixed block is fixedly arranged on a side of the first cover plate close to the first connecting block; a second slide groove is provided on a side of the second cover plate close to the second connecting block, and the second support block is slidably arranged in the second slide groove; one end of the second connecting rod is hinged to the second fixed block, and the other end is hinged to the second support block; when the first cover plate and the second cover plate are in a mutually perpendicular state, the second support block and the side of the second slide groove away from the first cover plate abut against each other.

[0017] By adopting the above technical solution, when the first cover plate is in a vertical position, the second cover plate is in a horizontal position. At this time, both the first cover plate and the second cover plate are in an open state. At this time, the second support block and the side of the second slide groove away from the first cover plate abut against each other, thereby ensuring that the second cover plate can be firmly supported in a horizontal position, effectively preventing the second cover plate from sagging or tilting due to its own weight or external impact, and improving the safety and reliability of the system during operation to a certain extent.

[0018] Optionally, the longitudinal sections of the first slide groove and the second slide groove are both T-shaped, the longitudinal sections of the first support block and the second support block are also T-shaped, and the size of the first support block is matched with the size of the first slide groove, and the size of the second support block is matched with the size of the second slide groove.

[0019] By adopting the above technical solution, the first support block slides more stably in the first slide groove and the second support block slides more stably in the second slide groove, effectively preventing the first support assembly and the second support assembly from deviating or falling off during the support process.

[0020] Optionally, the vertical baffle includes a first baffle and a second baffle arranged vertically, the first baffle is fixed on the horizontal baffle, a third slide groove is opened on the top of the first baffle, and the second baffle is slidably arranged in the third slide groove along the vertical direction; the top of the second baffle is hinged to the first cover plate; positioning components are provided on both sides of the second baffle for positioning the second baffle at different heights.

[0021] By adopting the above technical solution, the structure allows the second baffle to slide up and down relative to the first baffle and be positioned at different heights, thereby adjusting the height position of the first cover plate, achieving more flexible safety protection, and adapting to the working conditions of different tunnel height changes. The positioning components provided on both sides of the second baffle enable the second baffle to be firmly locked at different heights, further ensuring the stability and reliability of the system.

[0022] Optionally, the positioning assembly includes a positioning block and a positioning rod, and two positioning blocks are provided and fixed on both sides of the second baffle; positioning holes are provided on both sides of each positioning block, and a positioning rod is slidably inserted into each positioning hole; two groups of positioning grooves evenly distributed in the vertical direction are provided on the end faces at both ends of the first baffle, and the positioning rod can be inserted into the positioning grooves at different heights.

[0023] By adopting the above technical solution, the positioning rod can be inserted into the positioning grooves at different heights, thereby realizing the height adjustment and positioning of the second baffle, and ensuring the overall stability and adaptability of the safety baffle.

[0024] Optionally, the positioning assembly also includes a positioning block, which is fixedly connected to the positioning rod; a first limiting groove is provided on the side surface of one side in the positioning hole, and a second limiting groove is provided on the side surface of one side in the positioning groove, and the positioning block can slide in the first limiting groove and also can slide in the second limiting groove; a first limiting groove is provided on the bottom surface of the first limiting groove, and a second limiting groove is provided on the bottom surface of the second limiting groove, and the first limiting groove and the second limiting groove are both fan-shaped grooves, and the positioning block can be rotated and clamped in the first limiting groove, and can also be rotated and clamped in the second limiting groove; when the positioning block is clamped in the first limiting groove, one end of the positioning rod close to the positioning groove is located in the positioning hole, and when the positioning block is clamped in the second limiting groove, one end of the positioning rod close to the positioning groove is located in the positioning groove.

[0025] By adopting the above technical solution, the positioning block in the positioning assembly is fixedly connected to the positioning rod, and can slide in the first limiting groove in the positioning hole and the second limiting groove in the positioning groove. The first limiting groove and the second limiting groove are respectively provided with a first limiting groove and a second limiting groove on the bottom surfaces, both of which are fan-shaped grooves, and the positioning block can be rotated and clamped in these grooves. When the positioning block is clamped in the first limiting groove, the end of the positioning rod close to the positioning groove is located in the positioning hole. At this time, the positioning block has no positioning effect, and the second baffle can move up and down; when the positioning block is clamped in the second limiting groove, the end of the positioning rod close to the positioning groove is located in the positioning groove, thereby realizing reliable positioning of the second baffle at different height positions; before installing the baffle assembly, first preset the height of the vertical baffle according to the height of the lane; then rotate the positioning rod to drive the positioning block to rotate into the first limiting groove, and pull the positioning rod to drive the positioning block to align with the first limiting groove. The positioning rod is aligned with the positioning slot at the corresponding position, and the positioning rod is rotated to drive the positioning block to rotate into the first limiting slot. The positioning rod is pressed to insert the end of the positioning rod close to the positioning slot into the positioning slot, and the positioning block also moves from the first limiting slot to the second limiting slot until the positioning block is aligned with the second limiting slot. The positioning rod is rotated to make the positioning block engage in the second limiting slot. At this time, the height of the vertical baffle is adjusted.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. Through the arrangement of the baffle assembly, the first cover plate, the first hydraulic cylinder and the first support assembly, the baffle assembly consisting of the horizontal baffle plate and the vertical baffle plate can effectively block the debris in the lane; the first hydraulic cylinder drives the first cover plate to switch between the vertical position and the horizontal position, realizing the function of opening and closing the first cover plate; the first support assembly provides a stable support when the first cover plate is in the horizontal position, thereby enhancing the safety and reliability of the entire system; 2. Through the arrangement of the first fixing block, the first supporting block and the first connecting rod, when the first cover plate is in a horizontal position, the first supporting block and the side of the first slide groove away from the vertical baffle plate abut against each other, thereby ensuring that the first cover plate can be firmly supported in a horizontal position, effectively preventing the first cover plate from sagging or tilting due to its own weight or external impact, and improving the safety and reliability of the system during operation to a certain extent; 3. Through the arrangement of the second cover plate and the second hydraulic cylinder, the first cover plate and the second cover plate are rotatably connected through the first connecting block and the second connecting block, and with the help of the telescopic action of the piston rod of the second hydraulic cylinder, the second cover plate and the first cover plate are switched between being in the same plane or perpendicular to each other, which effectively improves the overall protection effect and functional flexibility of the safety baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure in which the first cover plate and the second cover plate are both in a closed state in the embodiment of the present application; Figure 2 is a schematic diagram of the overall structure in which the first cover plate and the second cover plate are both in an open state in the embodiment of the present application; Figure 3 is a partial longitudinal cross-sectional schematic diagram of the embodiment of the present application in which the first cover plate and the second cover plate are both in a closed state; Figure 4 is a partial cross-sectional schematic diagram of a baffle assembly in an embodiment of the present application; Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A; Figure 6 is a partial longitudinal cross-sectional schematic diagram of a baffle assembly in an embodiment of the present application; Figure 7 yes Figure 6 A partial enlarged schematic diagram of part B.

[0028] Explanation of the reference numerals: 1. baffle assembly; 11. horizontal baffle; 12. vertical baffle; 13. first baffle; 131. third slide groove; 132. positioning groove; 133. second limit groove; 134. second limit slot; 14. second baffle; 15. first fixing rod; 2. first support assembly; 21. first fixing block; 22. first support block; 23. first connecting rod; 3. first hydraulic cylinder; 4. first cover plate; 41. first connecting plate; 42. first rotating shaft; 43. first slide groove ; 44. First connecting block; 45. Second fixed rod; 5. Positioning assembly; 51. Positioning block; 511. Positioning hole; 512. First limiting groove; 513. First limiting slot; 52. Positioning rod; 53. Positioning block; 54. Operating rod; 6. Second cover plate; 61. Second connecting block; 62. Second rotating shaft; 63. Second slide groove; 64. Second connecting plate; 7. Second supporting assembly; 71. Second fixed block; 72. Second supporting block; 73. Second connecting rod; 8. Second hydraulic cylinder. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-7 This application is described in further detail.

[0030] The present application embodiment discloses a safety baffle for a fully enclosed system of a coal mine transfer machine. Figure 1 and Figure 2A safety baffle for a fully enclosed system of a coal mine transfer machine includes a baffle assembly 1 and a first support assembly 2; the baffle assembly 1 is arranged in a tunnel, and a plurality of groups are evenly arranged along the length direction of the tunnel, the baffle assembly 1 includes a horizontal baffle 11 and a vertical baffle 12, the horizontal baffle 11 is fixed on the bottom surface of the tunnel, and the vertical baffle 12 is fixed on the horizontal baffle 11; a first hydraulic cylinder 3 is provided on the side of each vertical baffle 12 away from the transfer machine, and the first hydraulic cylinder 3 is vertically arranged; a first fixing rod 15 is fixedly arranged on the top surface of each horizontal baffle 11, the first fixing rod 15 is vertically arranged, and the top end of the first fixing rod 15 is hinged to the fixed end of the first hydraulic cylinder 3 ; Each vertical baffle 12 is hinged with a first cover plate 4 on the top, and a first connecting plate 41 is fixedly connected to the side of the first cover plate 4 away from the transfer machine, and a first rotating shaft 42 is fixedly arranged on the side of the first connecting plate 41 close to the first hydraulic cylinder 3; the movable end of the first hydraulic cylinder 3 is rotatably connected to the first rotating shaft 42, and when the piston rod of the first hydraulic cylinder 3 is shortened, the first cover plate 4 can be driven to be in a vertical position, and when the piston rod of the first hydraulic cylinder 3 is extended, the first cover plate 4 can be driven to be in a horizontal position; the first support assembly 2 is arranged between the first cover plate 4 and the vertical baffle 12, and when the first cover plate 4 is in a horizontal position, it is used to support the first cover plate 4. The baffle assembly 1 composed of the horizontal baffle 11 and the vertical baffle 12 can effectively block the debris in the lane; the first hydraulic cylinder 3 drives the first cover plate 4 to switch between the vertical position and the horizontal position, realizing the function of opening and closing the first cover plate 4; the first support assembly 2 provides a stable support when the first cover plate 4 is in a horizontal position, thereby enhancing the safety and reliability of the entire system.

[0031] When the head of the scraper passes through, the piston rod of the first hydraulic cylinder 3 is started to extend, driving the first cover plate 4 to rotate until the first cover plate 4 rotates to a vertical position, at which time the first cover plate 4 is in an open state and the head can pass normally; when the head has passed, the piston rod of the first hydraulic cylinder 3 is started to shorten, driving the first cover plate 4 to rotate until the first cover plate 4 rotates to a horizontal position, at which time the first cover plate 4 is in a closed state.

[0032] Reference Figure 1 and Figure 2The vertical baffle 12 includes a first baffle 13 and a second baffle 14 which are arranged vertically. The first baffle 13 is fixed on the horizontal baffle 11. A third slide groove 131 is provided on the top of the first baffle 13. The second baffle 14 is slidably arranged in the third slide groove 131 along the vertical direction. The top of the second baffle 14 is hinged to the first cover plate 4. Positioning components 5 are provided on both sides of the second baffle 14 to position the second baffle 14 at different heights. This structure allows the second baffle 14 to slide up and down relative to the first baffle 13 and be positioned at different heights, thereby adjusting the height position of the first cover plate 4, achieving more flexible safety protection, and adapting to the working conditions of different lane height changes. The positioning components 5 provided on both sides of the second baffle 14 allow the second baffle 14 to be firmly locked at different heights, further ensuring the stability and reliability of the system.

[0033] Reference Figure 1 and Figure 3 The first support assembly 2 includes a first fixed block 21, a first support block 22 and a first connecting rod 23; the first fixed block 21 is fixedly arranged on the side of the second baffle 14 close to the transfer machine, the first cover plate 4 is provided with a first slide groove 43 on the side away from the first connecting plate 41, and the first support block 22 is slidably arranged in the first slide groove 43; one end of the first connecting rod 23 is hinged to the first fixed block 21, and the other end is hinged to the first support block 22; when the first cover plate 4 is in a horizontal position, the first support block 22 and the side of the first slide groove 43 away from the vertical baffle 12 abut against each other. When the first cover plate 4 is in a horizontal position, the first support block 22 and the side of the first slide groove 43 away from the vertical baffle 12 abut against each other, thereby ensuring that the first cover plate 4 can be firmly supported in a horizontal position, effectively preventing the first cover plate 4 from sagging or tilting due to its own weight or external impact, and to a certain extent improving the safety and reliability of the system during operation.

[0034] Reference Figure 1 and Figure 2A second cover plate 6 is provided at one end of the first cover plate 4 away from the baffle, and the second cover plate 6 is connected to the first cover plate 4. The second cover plate 6 is used to prevent workers from falling onto the transfer machine when cleaning the triangular coal. One end of the first cover plate 4 close to the second cover plate 6 is fixedly connected to the first connecting block 44, and one end of the second cover plate 6 close to the first cover plate 4 is fixedly connected to the second connecting block 61. A second rotating shaft 62 is provided on the side where the first connecting block 44 and the second connecting block 61 are close to each other, and the first connecting block 44 and the second connecting block 61 are both rotatably connected to the second rotating shaft 62; a second hydraulic cylinder 8 is provided on the side of the first cover plate 4 close to the first connecting block 44; a second fixing rod 45 is fixedly connected to the side of the first cover plate 4 away from the first connecting block 44, and the fixed end of the second hydraulic cylinder 8 is hinged to the second fixing rod 45; a second connecting plate 64 is fixedly connected to the side of the second cover plate 6 away from the second connecting block 61, and the second connecting plate 64 is hinged to the piston rod of the second hydraulic cylinder 8. When the piston rod of the second hydraulic cylinder 8 is shortened, the second cover plate 6 and the first cover plate 4 can be driven to be in the same plane. When the piston rod of the second hydraulic cylinder 8 of the gear lever is extended, the second cover plate 6 and the first cover plate 4 can be driven to be in a mutually perpendicular state.

[0035] The first cover plate 4 and the second cover plate 6 are rotatably connected through the first connecting block 44 and the second connecting block 61, and with the help of the telescopic action of the piston rod of the second hydraulic cylinder 8, the second cover plate 6 and the first cover plate 4 are switched between the same plane or mutually perpendicular states, which effectively improves the overall protection effect and functional flexibility of the safety baffle. Specifically, when the first cover plate 4 is in the closed state, the piston rod of the second hydraulic cylinder 8 is shortened, driving the second cover plate 6 and the first cover plate 4 to be in the same plane, enhancing the safety protection of workers when cleaning triangular coal. At this time, the first cover plate 4 and the second cover plate 6 are both in the closed state; when the first cover plate 4 is switched from the closed state to the open state, the piston rod of the second hydraulic cylinder 8 is also extended, so that the second cover plate 6 and the first cover plate 4 are in a mutually perpendicular state, which can avoid the second cover plate 6 from colliding with the top of the tunnel.

[0036] Reference Figure 1 and Figure 2 The longitudinal sections of the first connection block 44 and the second connection block 61 are both right triangles. One right-angled side of the first connection block 44 is fixedly connected to the first cover plate 4, and one right-angled side of the second connection block 61 is fixedly connected to the second cover plate 6. When the first cover plate 4 and the second cover plate 6 are in the same plane, the other right-angled side of the first connection block 44 abuts against the other right-angled side of the second connection block 61. When the first cover plate 4 and the second cover plate 6 are both in the closed state, the first cover plate 4 and the second cover plate 6 can be stably connected and maintained in the same plane, thereby enhancing the stability of the structure. At the same time, the right-angled sides of the first connection block 44 and the second connection block 61 abut against each other, further improving the overall stability of the first cover plate 4 and the second cover plate 6 when they are in the same plane.

[0037] Reference Figure 1 and Figure 3 A second supporting assembly 7 is also provided between the first cover plate 4 and the second cover plate 6, and the second supporting assembly 7 includes a second fixed block 71, a second supporting block 72 and a second connecting rod 73; the second fixed block 71 is fixedly arranged on the side of the first cover plate 4 close to the first connecting block 44; a second slide groove 63 is provided on the side of the second cover plate 6 close to the second connecting block 61, and the second supporting block 72 is slidably arranged in the second slide groove 63; one end of the second connecting rod 73 is hinged to the second fixed block 71, and the other end is hinged to the second supporting block 72; when the first cover plate 4 and the second cover plate 6 are in a mutually perpendicular state, the second supporting block 72 and the side of the second slide groove 63 away from the first cover plate 4 abut against each other.

[0038] When the first cover plate 4 is in a vertical position and the second cover plate 6 is in a horizontal position, both the first cover plate 4 and the second cover plate 6 are in an open state. At this time, the second support block 72 and the second slide groove 63 abut against each other on the side away from the first cover plate 4, thereby ensuring that the second cover plate 6 can be firmly supported in a horizontal position, effectively preventing the second cover plate 6 from sagging or tilting due to its own weight or external impact, and improving the safety and reliability of the system during operation to a certain extent.

[0039] Reference Figure 3 The longitudinal sections of the first slide groove 43 and the second slide groove 63 are both T-shaped, and the longitudinal sections of the first support block 22 and the second support block 72 are also T-shaped, and the size of the first support block 22 matches the size of the first slide groove 43, and the size of the second support block 72 matches the size of the second slide groove 63. This makes the first support block 22 in the first slide groove 43 and the second support block 72 in the second slide groove 63 slide more stably, effectively preventing the first support assembly 2 and the second support assembly 7 from deflecting or falling off during the support process.

[0040] Reference Figure 5 and Figure 6 The positioning assembly 5 includes a positioning block 51 and a positioning rod 52. Two positioning blocks 51 are provided and fixed on both sides of the second baffle 14; positioning holes 511 are provided on both sides of each positioning block 51, and the longitudinal section of the positioning hole 511 is circular. A positioning rod 52 is slidably inserted into each positioning hole 511, and the longitudinal section of the positioning rod 52 is also circular. The positioning rod 52 can rotate in the positioning hole 511; two groups of positioning grooves 132 evenly distributed in the vertical direction are provided on the end faces at both ends of the first baffle 13, and the positioning rod 52 can be inserted into the positioning grooves 132 at different heights, thereby realizing the height adjustment and positioning of the second baffle 14, ensuring the overall stability and adaptability of the safety baffle.

[0041] Reference Figure 5 and Figure 7The positioning assembly 5 also includes a positioning block 53, which is fixedly connected to the positioning rod 52; a first limiting groove 512 is provided on the side surface of one side of the positioning hole 511, and a second limiting groove 133 is provided on the side surface of one side of the positioning groove 132. The positioning block 53 can slide in the first limiting groove 512 and can also slide in the second limiting groove 133; a first limiting groove 513 is provided on the bottom surface of the first limiting groove 512, and a second limiting groove 133 is provided on the bottom surface of the second limiting groove 133. 4. Both the first limiting slot 513 and the second limiting slot 134 are fan-shaped slots. The positioning block 53 can be rotated and snapped into the first limiting slot 513, and can also be rotated and snapped into the second limiting slot 134. When the positioning block 53 is snapped into the first limiting slot 513, one end of the positioning rod 52 close to the positioning slot 132 is located in the positioning hole 511. When the positioning block 53 is snapped into the second limiting slot 134, one end of the positioning rod 52 close to the positioning slot 132 is located in the positioning slot 132.

[0042] When the positioning block 53 is engaged in the first limiting slot 513, the end of the positioning rod 52 close to the positioning slot 132 is located in the positioning hole 511. At this time, the positioning block 51 has no positioning function, and the second baffle 14 can move up and down; when the positioning block 53 is engaged in the second limiting slot 134, the end of the positioning rod 52 close to the positioning slot 132 is located in the positioning slot 132, thereby realizing reliable positioning of the second baffle 14 at different heights; before installing the baffle assembly 1, the height of the vertical baffle 12 is preset according to the height of the lane; then, the positioning rod 52 is rotated to drive the positioning block 53 to rotate into the first limiting slot 512, and the positioning rod 52 is pulled to drive the positioning block 53 to align with the first limiting slot 51 3. Rotate the positioning rod 52 to drive the positioning block 53 to be clamped in the first limiting groove 513. At this time, the height of the second baffle 14 can be adjusted along the vertical direction. Align the positioning rod 52 with the positioning groove 132 at the corresponding position. Rotate the positioning rod 52 to drive the positioning block 53 to rotate into the first limiting groove 512. Press the positioning rod 52 to insert the end of the positioning rod 52 close to the positioning groove 132 into the positioning groove 132. The positioning block 53 also moves from the first limiting groove 512 to the second limiting groove 133 until the positioning block 53 is aligned with the second limiting groove 134. Rotate the positioning rod 52 to make the positioning block 53 clamped in the second limiting groove 134. At this time, the height adjustment of the vertical baffle 12 is completed.

[0043] Reference Figure 5The end of the positioning rod 52 away from the positioning groove 132 is fixedly connected with an operating rod 54, and the operating rod 54 is arranged opposite to the positioning block 53 along the length direction of the positioning rod 52. During operation, the positioning rod 52 can be rotated by the operating rod 54, and the angle of the positioning block 53 can be judged by observing the angle of the operating rod 54, so as to facilitate the judgment of the position of the positioning block 53 and further facilitate the operation of the positioning block 53 to the corresponding position.

[0044] The implementation principle of a safety baffle for a fully enclosed system of a coal mine transfer machine in the embodiment of the present application is as follows: Before installing the baffle assembly 1, the height of the vertical baffle 12 is preset according to the height of the laneway; then the operating rod 54 is rotated to drive the positioning rod 52 to rotate, so that the positioning block 53 is rotated to the first limit groove 512, the positioning rod 52 is pulled to drive the positioning block 53 to align with the first limit groove 513, and the positioning rod 52 is rotated to drive the positioning block 53 to be clamped in the first limit groove 513. At this time, the height of the second baffle 14 can be adjusted along the vertical direction, and the positioning rod 52 is aligned with the positioning groove 132 at the corresponding position. , rotate the positioning rod 52 to drive the positioning block 53 to rotate into the first limiting groove 512, press the positioning rod 52 to insert the end of the positioning rod 52 close to the positioning groove 132 into the positioning groove 132, and the positioning block 53 also moves from the first limiting groove 512 to the second limiting groove 133 until the positioning block 53 is aligned with the second limiting groove 134, rotate the positioning rod 52 to make the positioning block 53 clamped in the second limiting groove 134, at this time, the height adjustment of the vertical baffle 12 is completed, and the installation is completed.

[0045] During operation, when the head of the scraper moves forward, the first cover plate 4 and the second cover plate 6 at the corresponding positions are adjusted to the open state, the piston rod of the first hydraulic cylinder 3 is shortened, and the first cover plate 4 is driven to rotate until the first cover plate 4 rotates to the vertical position. At the same time, the piston rod of the second hydraulic cylinder 8 is shortened, so that the second cover plate 6 and the first cover plate 4 are in a mutually perpendicular state, and the second support block 72 abuts against the side of the second slide groove 63 away from the first cover plate 4. At this time, the first cover plate 4 and the second cover plate 6 are both in the open state, and the head can pass normally; after the head passes, the first cover plate 4 and the second cover plate 6 at the corresponding positions are adjusted to the closed state, the piston rod of the first hydraulic cylinder 3 is extended, and the first cover plate 4 is driven to rotate until the first cover plate 4 rotates to the horizontal position, the first support block 22 abuts against the side of the first slide groove 43 away from the vertical baffle 12. At the same time, the piston rod of the second hydraulic cylinder 8 is extended, so that the second cover plate 6 and the first cover plate 4 are in the same plane. At this time, the first cover plate 4 and the second cover plate 6 are both in the open state.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A safety baffle for a fully enclosed system of a coal mine transfer machine, characterized in that: The invention comprises a baffle assembly (1) and a first support assembly (2); the baffle assembly (1) is arranged in a lane, and a plurality of groups are evenly arranged along the length direction of the lane; the baffle assembly (1) comprises a horizontal baffle (11) and a vertical baffle (12); the horizontal baffle (11) is fixed on the bottom surface of the lane, and the vertical baffle (12) is fixed on the horizontal baffle (11); a first hydraulic cylinder (3) is arranged on the side of each vertical baffle (12) away from the transfer machine, and the first hydraulic cylinder (3) is arranged vertically, and its fixed end is connected to the horizontal baffle (11); a first cover plate (4) is hinged on the top of each vertical baffle (12), and the first cover plate (4) is on the side away from the transfer machine. A first connecting plate (41) is fixedly connected, and a first rotating shaft (42) is fixedly arranged on one side of the first connecting plate (41) close to the first hydraulic cylinder (3); the movable end of the first hydraulic cylinder (3) is rotatably connected to the first rotating shaft (42), and when the piston rod of the first hydraulic cylinder (3) is shortened, it can drive the first cover plate (4) to be in a vertical position, and when the piston rod of the first hydraulic cylinder (3) is extended, it can drive the first cover plate (4) to be in a horizontal position; the first supporting assembly (2) is arranged between the first cover plate (4) and the vertical baffle (12), and when the first cover plate (4) is in a horizontal position, it is used to support the first cover plate (4).

2. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 1, characterized in that: The first support assembly (2) comprises a first fixed block (21), a first support block (22) and a first connecting rod (23); the first fixed block (21) is fixedly arranged on a side of the vertical baffle (12) close to the transfer machine, a first slide groove (43) is provided on a side of the first cover plate (4) away from the first connecting plate (41), and the first support block (22) is slidably arranged in the first slide groove (43); one end of the first connecting rod (23) is hinged to the first fixed block (21), and the other end is hinged to the first support block (22); when the first cover plate (4) is in a horizontal position, the first support block (22) and the side of the first slide groove (43) away from the vertical baffle (12) abut against each other.

3. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 2, characterized in that: A second cover plate (6) is provided at one end of the first cover plate (4) away from the baffle, the second cover plate (6) being connected to the first cover plate (4), and the second cover plate (6) being used to prevent workers from falling onto the transfer machine when cleaning the triangular coal.

4. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 3, characterized in that: A first connecting block (44) is fixedly connected to one end of the first cover plate (4) close to the second cover plate (6); a second connecting block (61) is fixedly connected to one end of the second cover plate (6) close to the first cover plate (4); a second rotating shaft (62) is provided on one side where the first connecting block (44) and the second connecting block (61) are close to each other; both the first connecting block (44) and the second connecting block (61) are rotatably connected to the second rotating shaft (62); a second hydraulic cylinder (8) is provided on one side of the first cover plate (4) close to the first connecting block (44); The fixed end of the second hydraulic cylinder (8) is connected to the first cover plate (4); a second connecting plate (64) is fixedly connected to the side of the second cover plate (6) away from the second connecting block (61); the second connecting plate (64) is hinged to the piston rod of the second hydraulic cylinder (8); when the piston rod of the second hydraulic cylinder (8) is shortened, the second cover plate (6) and the first cover plate (4) can be driven to be in the same plane; when the piston rod of the second hydraulic cylinder (8) is extended, the second cover plate (6) and the first cover plate (4) can be driven to be perpendicular to each other.

5. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 4, characterized in that: The longitudinal sections of the first connecting block (44) and the second connecting block (61) are both right-angled triangles; one right-angled side of the first connecting block (44) is fixedly connected to the first cover plate (4); one right-angled side of the second connecting block (61) is fixedly connected to the second cover plate (6); and when the first cover plate (4) and the second cover plate (6) are in the same plane, another right-angled side of the first connecting block (44) and another right-angled side of the second connecting block (61) abut against each other.

6. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 5, characterized in that: A second support assembly (7) is also provided between the first cover plate (4) and the second cover plate (6), and the second support assembly (7) includes a second fixed block (71), a second support block (72) and a second connecting rod (73); the second fixed block (71) is fixedly arranged on a side of the first cover plate (4) close to the first connecting block (44); a second slide groove (63) is provided on a side of the second cover plate (6) close to the second connecting block (61), and the second support block (72) is slidably arranged in the second slide groove (63); one end of the second connecting rod (73) is hinged to the second fixed block (71), and the other end is hinged to the second support block (72); when the first cover plate (4) and the second cover plate (6) are in a mutually perpendicular state, the second support block (72) and the side of the second slide groove (63) away from the first cover plate (4) abut against each other.

7. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 6, characterized in that: The longitudinal sections of the first slide groove (43) and the second slide groove (63) are both T-shaped, and the longitudinal sections of the first support block (22) and the second support block (72) are also T-shaped, and the size of the first support block (22) is mutually compatible with the size of the first slide groove (43), and the size of the second support block (72) is mutually compatible with the size of the second slide groove (63).

8. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 7, characterized in that: The vertical baffle (12) comprises a first baffle (13) and a second baffle (14) which are vertically arranged. The first baffle (13) is fixed on the horizontal baffle (11). A third slide groove (131) is provided on the top of the first baffle (13). The second baffle (14) is slidably arranged in the third slide groove (131) along the vertical direction. The top of the second baffle (14) is hinged to the first cover plate (4). Positioning assemblies (5) are provided on both sides of the second baffle (14) for positioning the second baffle (14) at different heights.

9. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 8, characterized in that: The positioning assembly (5) comprises a positioning block (51) and a positioning rod (52). Two positioning blocks (51) are provided and fixed on both sides of the second baffle (14). Positioning holes (511) are provided on both sides of each positioning block (51). A positioning rod (52) is slidably inserted into each positioning hole (511). Two groups of positioning grooves (132) evenly distributed in the vertical direction are provided on the end surfaces at both ends of the first baffle (13). The positioning rod (52) can be inserted into the positioning grooves (132) at different heights.

10. A safety baffle for a fully enclosed system of a coal mine transfer machine according to claim 9, characterized in that: The positioning assembly (5) further comprises a positioning block (53), wherein the positioning block (53) is fixedly connected to the positioning rod (52); a first limiting groove (512) is provided on the side surface of one side of the positioning hole (511), and a second limiting groove (133) is provided on the side surface of one side of the positioning groove (132); the positioning block (53) can slide in the first limiting groove (512) and can also slide in the second limiting groove (133); a first limiting groove (513) is provided on the bottom surface of the first limiting groove (512), and a second limiting groove (134) is provided on the bottom surface of the second limiting groove (133); The first limiting slot (513) and the second limiting slot (134) are both fan-shaped slots, and the positioning block (53) can be rotated and clamped in the first limiting slot (513), and can also be rotated and clamped in the second limiting slot (134); when the positioning block (53) is clamped in the first limiting slot (513), one end of the positioning rod (52) close to the positioning slot (132) is located in the positioning hole (511); when the positioning block (53) is clamped in the second limiting slot (134), one end of the positioning rod (52) close to the positioning slot (132) is located in the positioning slot (132).

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