Flying stone prevention device for fully mechanized coal mining face

Abstract

The utility model discloses a flying stone prevention device for a fully mechanized coal mining face, which belongs to the technical field of coal mining and comprises a bottom plate, rollers are arranged at four corners of the bottom of the bottom plate, a lifting mechanism is arranged on the left side of the top of the bottom plate, a connecting plate is arranged on the top of the lifting mechanism, and a grip is arranged on the left side of the top of the connecting plate. A control mechanism is arranged at the top of the bottom plate, a fixing mechanism is arranged in front of the control mechanism, a protection plate is arranged in front of the fixing mechanism, a moving mechanism is arranged on the protection plate, the lifting mechanism comprises a lifting plate, and the bottom of the lifting plate is connected with the bottom plate. A lifting groove matched with the connecting plate box is formed in the top of the lifting plate, a lifting rod is rotationally connected to the bottom of an inner cavity of the lifting groove, and a connecting groove is formed in the bottom of the connecting plate, and the problems that when the device is used, it is inconvenient for mining personnel to push the flying stone preventing device to move, and the applicability is limited are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a flying stone prevention device for a fully mechanized mining working face. Background Art

[0002] Comprehensively mechanized coal mining, short for fully mechanized coal mining, refers to a process that uses shearers, flexible face conveyors, and self-propelled hydraulic supports to mine coal within a coal face. The main advantages of this process include high productivity, high efficiency, safety, low energy consumption, favorable working conditions, and low labor intensity. The main production processes of fully mechanized coal mining, such as coal dropping, loading, transportation, support, and goaf treatment, are all mechanized, greatly improving production efficiency and safety.

[0003] For example, a fully mechanized mining face anti-rock device with publication number CN216642164U includes a base plate, the upper side of which is fixedly connected to two fixed rods, the base plate being connected to a threaded rod via a rotating device, the upper side of which is connected to a second gear via a driving device, the second gear being fixedly connected to the threaded rod, the threaded rod being threadedly connected to a lifting plate, the lifting plate being slidably connected to the two fixed rods, one end of the lifting plate being fixedly connected to a connecting plate, the bottom side wall of the connecting plate being provided with a rotating groove. This utility model has a reasonable design and an ingenious concept, and the area and height of the protective plate can be adjusted according to the on-site environment, which is highly convenient.

[0004] However, when the above device is in use, it is inconvenient for miners to push the anti-flying rock device to move, and its applicability is limited. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the present invention to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] Therefore, the purpose of the present invention is to provide a flying rock prevention device for a fully mechanized mining working face, which can solve the problem that when the above-mentioned device is in use, it is inconvenient for mining personnel to push the flying rock prevention device to move and the applicability is limited.

[0007] In order to solve the above technical problems, the utility model provides a flying stone prevention device for a comprehensive mining working face, which adopts the following technical solution: it includes a base plate, rollers are provided at the four corners of the bottom of the base plate, a lifting mechanism is provided on the top left side of the base plate, a connecting plate is provided on the top of the lifting mechanism, a handle is provided on the top left side of the connecting plate, a control mechanism is provided on the top of the base plate, a fixing mechanism is provided in front of the control mechanism, a protective plate is provided in front of the fixing mechanism, and a moving mechanism is provided on the protective plate.

[0008] Optionally, the lifting mechanism includes a lifting plate, the bottom of which is connected to the base plate, the top of which is provided with a lifting slot adapted to the connecting plate box, and the bottom of the inner cavity of the lifting slot is rotatably connected to a lifting rod.

[0009] By adopting the above technical solution, the connecting plate is supported.

[0010] Optionally, a connecting groove is provided at the bottom of the connecting plate, a connecting slide is provided at the bottom of the inner cavity of the connecting groove, a lifting screw is provided at the top of the lifting rod, and the lifting screw is screwed onto the connecting slide.

[0011] By adopting the above technical solution, the connecting plate is driven to move up and down.

[0012] Optionally, the left side of the lifting plate is rotatably connected to a driving rod, a driving handle is provided on the left side of the driving rod, a driving gear is provided on the right side of the driving rod, and a lifting gear is provided on the outer side of the lifting rod. The lifting gear and the driving gear are both bevel gears, and the lifting gear and the driving gear are meshed with each other.

[0013] By adopting the above technical solution, the lifting rod is driven to rotate.

[0014] Optionally, the fixing mechanism includes a fixing plate, a fixed cavity is opened in the fixing plate, a fixing spring is provided on the left side of the inner cavity of the fixed cavity, a fixed slide is provided on the right side of the fixed spring, the fixed slide is slidably connected in the fixed cavity, a fixed side plate is provided on the fixed slide, the right side of the fixed side plate passes through the fixing plate, a limit plate is provided on the right side of the fixed side plate, and the right side of the limit plate is connected to the protective plate, and the control mechanism includes a control plate, and the bottom of the control plate is connected to the bottom plate.

[0015] By adopting the above technical solution, the protective plate is buffered.

[0016] Optionally, a control groove is opened on the right side of the control panel, a control motor is provided at the top of the inner cavity of the control groove, a control screw is provided at the power output end at the bottom of the control motor, a control slide is screwed on the control screw, the control slide is slidably connected in the control groove, and the right side of the control slide is connected to the fixed plate.

[0017] By adopting the above technical solution, the protective plate is driven to move up and down.

[0018] Optionally, a protective groove is provided in the protective plate, a movable groove is provided in the inner cavity of the protective plate, the bottom of the movable groove is connected to the protective groove, and the moving mechanism includes a moving motor.

[0019] By adopting the above technical solution, flying rocks can be protected.

[0020] Optionally, the movable motor is arranged on the right side of the inner cavity of the movable groove, and a movable screw is provided at the left power output end of the movable motor, and the movable screw is a forward and reverse screw. Two groups of movable slides are screwed on the movable screw, and the two groups of movable slides are both slidably connected in the movable groove. The bottoms of the two groups of movable slides are both provided with movable side plates, and the two groups of movable side plates are both provided with movable plates on the side away from each other.

[0021] By adopting the above technical solution, the area of ​​the protective plate is increased.

[0022] To sum up, the utility model includes at least one of the following beneficial effects: by setting a lifting mechanism to cooperate with the connecting plate, when in use, it is only necessary to rotate the driving handle to drive the connecting plate to move up and down, and the connecting plate drives the handle to move up and down. The height of the handle is adjusted to facilitate the miners to grasp it. The miners push the anti-flying stone device to move through the handle, and the applicability is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the cross-sectional structure of the lifting mechanism of the utility model;

[0026] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0027] Figure 4 This is a schematic cross-sectional structure diagram of the control mechanism and the fixing mechanism of the present invention;

[0028] Figure 5 This is a schematic diagram of the cross-sectional structure of the protective plate of the present utility model.

[0029] Explanation of reference numerals: 1. Bottom plate; 2. Roller; 3. Lifting mechanism; 301. Lifting plate; 302. Lifting slot; 303. Lifting rod; 304. Lifting screw; 305. Lifting gear; 306. Driving rod; 307. Driving handle; 308. Driving gear; 4. Connecting plate; 401. Connecting slot; 402. Connecting slide; 5. Handle; 6. Control mechanism; 601. Control plate; 602. Control slot; 603. Control motor ; 604, control screw; 605, control slide; 7, fixing mechanism; 701, fixing plate; 702, fixing cavity; 703, fixing spring; 704, fixing slide; 705, fixing side plate; 706, limit plate; 8, protective plate; 801, protective groove; 802, moving groove; 9, moving mechanism; 901, moving motor; 902, moving screw; 903, moving slide; 904, moving side plate; 905, moving plate. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-5 The utility model is described in further detail.

[0031] Example 1, refer to Figure 1 In order to solve the problem that it is inconvenient for miners to push the anti-flying rock device to move and the applicability is limited when the above-mentioned device is in use, in this embodiment, the utility model discloses an anti-flying rock device for a fully mechanized mining working face, comprising a base plate 1, rollers 2 are provided at the four corners of the bottom of the base plate 1, a lifting mechanism 3 is provided on the left side of the top of the base plate 1, a connecting plate 4 is provided on the top of the lifting mechanism 3, a handle 5 is provided on the left side of the top of the connecting plate 4, a control mechanism 6 is provided on the top of the base plate 1, a fixing mechanism 7 is provided in front of the control mechanism 6, a protective plate 8 is provided in front of the fixing mechanism 7, and a moving mechanism 9 is provided on the protective plate 8.

[0032] Based on the above features, the working principle of this embodiment is as follows: the lifting mechanism 3 is started to drive the connecting plate 4 to move up and down, the height of the handle 5 is adjusted, the control mechanism 6 is started to drive the fixing mechanism 7 to move up and down, the fixing mechanism 7 drives the protective plate 8 to move, the height of the protective plate 8 is adjusted, and the miner moves the device by grasping the handle 5.

[0033] Example 2, refer to Figure 2-5In order to solve the problem that it is inconvenient for miners to push the anti-flying rock device to move and its applicability is limited when the above-mentioned device is in use, based on the same concept as the above-mentioned embodiment 1, the anti-flying rock device for a fully mechanized mining working face also includes a lifting mechanism 3 including a lifting plate 301, the bottom of the lifting plate 301 is connected to the bottom plate 1, the top of the lifting plate 301 is provided with a lifting groove 302 adapted to the connecting plate 4 box, the bottom of the inner cavity of the lifting groove 302 is rotatably connected to a lifting rod 303, the bottom of the connecting plate 4 is provided with a connecting groove 401, the bottom of the inner cavity of the connecting groove 401 is provided with a connecting slide 402, the top of the lifting rod 303 is provided with a lifting screw rod 304, and the lifting screw rod 304 screw The left side of the lifting plate 301 is connected to the connecting slide 402, and the driving rod 306 is rotatably connected. The driving handle 307 is provided on the left side of the driving rod 306, and the driving gear 308 is provided on the right side of the driving rod 306. The outer side of the lifting rod 303 is provided with a lifting gear 305. The lifting gear 305 and the driving gear 308 are both bevel gears. The lifting gear 305 and the driving gear 308 are meshed. The fixing mechanism 7 includes a fixing plate 701, and a fixing cavity 702 is opened in the fixing plate 701. A fixing spring 703 is provided on the left side of the inner cavity of the fixing cavity 702. A fixing slide 704 is provided on the right side of the fixing spring 703. The fixing slide 704 is slidably connected in the fixing cavity 702. The fixed slide 704 is provided with a fixed side plate 705, the right side of the fixed side plate 705 passes through the fixed plate 701, the right side of the fixed side plate 705 is provided with a limit plate 706, the right side of the limit plate 706 is connected to the protective plate 8, the control mechanism 6 includes a control plate 601, the bottom of the control plate 601 is connected to the bottom plate 1, the right side of the control plate 601 is provided with a control groove 602, the top of the inner cavity of the control groove 602 is provided with a control motor 603, the power output end of the bottom of the control motor 603 is provided with a control screw 604, the control screw 604 is screwed with a control slide 605, the control slide 605 is slidably connected in the control groove 602, and the right side of the control slide 605 is connected to the fixed plate 7 01 is connected, a protective groove 801 is opened in the protective plate 8, a moving groove 802 is opened in the inner cavity of the protective plate 8, the bottom of the moving groove 802 is communicated with the protective groove 801, and the moving mechanism 9 includes a moving motor 901, and the moving motor 901 is arranged on the right side of the inner cavity of the moving groove 802. A moving screw rod 902 is provided at the left power output end of the moving motor 901, and the moving screw rod 902 is a forward and reverse screw rod. Two groups of moving slides 903 are screwed on the moving screw rod 902, and the two groups of moving slides 903 are both slidably connected in the moving groove 802. The bottom of the two groups of moving slides 903 are provided with moving side plates 904, and the two groups of moving side plates 904 are provided with a moving plate 905 on the side away from each other.

[0034] Based on the above features, the working principle of this embodiment is as follows: the driving handle 307 is rotated forward to drive the driving rod 306 to rotate, the driving rod 306 drives the driving gear 308 to rotate, the driving gear 308 drives the lifting gear 305 to rotate, the lifting gear 305 drives the lifting rod 303 to rotate, the lifting rod 303 drives the lifting screw 304 to rotate, the lifting screw 304 drives the connecting slide 402 to rotate, the connecting slide 402 drives the connecting plate 4 to rotate, under the limit of the lifting slot 302, the connecting plate 4 moves upward, driving the handle 5 to move upward, and the height of the handle 5 is adjusted to facilitate the grip of the miners, and the device is pushed to the specified position through the cooperation of the handle 5 and the four sets of rollers 2.

[0035] The control motor 603 can rotate forward and reverse. When the control motor 603 is started and rotated forward, the control screw rod 604 is driven to rotate. The control screw rod 604 drives the control slide plate 605 to rotate. Under the limit of the control slot 602, the control slide plate 605 moves upward, driving the fixing mechanism 7 to move upward. The fixing mechanism 7 drives the protective plate 8 to move upward to adjust the height of the protective plate 8. When in use, flying stones splash onto the protective plate 8. The protective plate 8 is impacted by the impact force, thereby driving the limit plate 706 to move. The limit plate 706 drives the fixed side plate 705 to move. The fixed side plate 705 drives the fixed slide plate 704 to move. The fixed slide plate 704 moves the fixed spring 703. In this process, the fixed spring 703 will buffer the impact force of the protective plate 8.

[0036] The moving motor 901 can rotate forward and reverse. Starting the moving motor 901 drives the moving screw 902 to rotate, and the moving screw 902 drives the two groups of moving slides 903 to rotate. Under the limit of the moving groove 802, the two groups of moving slides 903 move away from each other, and the two groups of moving slides 903 respectively drive the two groups of moving side plates 904 to move, and the two groups of moving side plates 904 respectively drive the two groups of moving plates 905 to move, and the two groups of moving plates 905 move out from the left and right sides of the protective groove 801, thereby increasing the area of ​​the protective plate 8.

[0037] The input terminals of the electrical equipment in the device are all electrically connected to the external power supply.

[0038] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flying rock prevention device for a fully mechanized mining working face, comprising a bottom plate (1), characterized in that: Rollers (2) are provided at the four corners of the bottom of the bottom plate (1), a lifting mechanism (3) is provided on the left side of the top of the bottom plate (1), a connecting plate (4) is provided on the top of the lifting mechanism (3), a handle (5) is provided on the left side of the top of the connecting plate (4), a control mechanism (6) is provided on the top of the bottom plate (1), a fixing mechanism (7) is provided in front of the control mechanism (6), a protective plate (8) is provided in front of the fixing mechanism (7), and a moving mechanism (9) is provided on the protective plate (8).

2. The flying stone prevention device for a fully mechanized mining face according to claim 1, characterized in that: The lifting mechanism (3) comprises a lifting plate (301), the bottom of which is connected to the bottom plate (1), a lifting slot (302) adapted to the connecting plate (4) box is provided on the top of the lifting plate (301), and a lifting rod (303) is rotatably connected to the bottom of the inner cavity of the lifting slot (302).

3. The flying stone prevention device for a fully mechanized mining face according to claim 2, characterized in that: A connecting groove (401) is provided at the bottom of the connecting plate (4), a connecting slide plate (402) is provided at the bottom of the inner cavity of the connecting groove (401), a lifting screw rod (304) is provided at the top of the lifting rod (303), and the lifting screw rod (304) is screwed onto the connecting slide plate (402).

4. The flying stone prevention device for a fully mechanized mining face according to claim 2, characterized in that: The left side of the lifting plate (301) is rotatably connected to a driving rod (306), the left side of the driving rod (306) is provided with a driving handle (307), the right side of the driving rod (306) is provided with a driving gear (308), and the outer side of the lifting rod (303) is provided with a lifting gear (305), the lifting gear (305) and the driving gear (308) are both bevel gears, and the lifting gear (305) and the driving gear (308) are meshed with each other.

5. The flying stone prevention device for a fully mechanized mining face according to claim 1 is characterized in that: The fixing mechanism (7) includes a fixing plate (701), a fixing cavity (702) is provided in the fixing plate (701), a fixing spring (703) is provided on the left side of the inner cavity of the fixing cavity (702), a fixing slide (704) is provided on the right side of the fixing spring (703), the fixing slide (704) is slidably connected in the fixing cavity (702), a fixing side plate (705) is provided on the fixing slide (704), the right side of the fixing side plate (705) passes through the fixing plate (701), a limiting plate (706) is provided on the right side of the fixing side plate (705), and the right side of the limiting plate (706) is connected to the protective plate (8), and the control mechanism (6) includes a control plate (601), and the bottom of the control plate (601) is connected to the bottom plate (1).

6. The flying rock prevention device for a fully mechanized mining face according to claim 5, characterized in that: A control slot (602) is provided on the right side of the control plate (601), a control motor (603) is provided at the top of the inner cavity of the control slot (602), a control screw rod (604) is provided at the power output end at the bottom of the control motor (603), a control slide plate (605) is screwed onto the control screw rod (604), the control slide plate (605) is slidably connected in the control slot (602), and the right side of the control slide plate (605) is connected to the fixed plate (701).

7. The flying stone prevention device for a fully mechanized mining face according to claim 1 is characterized in that: A protective groove (801) is provided in the protective plate (8), a movable groove (802) is provided in the inner cavity of the protective plate (8), the bottom of the movable groove (802) is connected to the protective groove (801), and the movable mechanism (9) includes a movable motor (901).

8. The flying stone prevention device for a fully mechanized mining face according to claim 7, characterized in that: The movable motor (901) is arranged on the right side of the inner cavity of the movable groove (802), and a movable screw rod (902) is provided at the left power output end of the movable motor (901), and the movable screw rod (902) is a forward and reverse screw rod. Two groups of movable slide plates (903) are screwed onto the movable screw rod (902), and the two groups of movable slide plates (903) are both slidably connected in the movable groove (802). The bottoms of the two groups of movable slide plates (903) are both provided with movable side plates (904), and the two groups of movable side plates (904) are both provided with movable plates (905) on the sides away from each other.

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