Adjustable spillplate device for preventing coal gangue from jumping out and hurting people at tail of loading machine

Abstract

The invention discloses an adjustable spillplate device for preventing coal gangue from jumping out to hurt people at the tail of a loader, the adjustable spillplate device comprises a reversed loader and a movable spillplate, a fixed spillplate is fixedly mounted on one side of the surface of the reversed loader through a fixing bolt, and sliding grooves are formed in the two sides of the interior of the fixed spillplate; a sliding block is installed on the fixed coal baffle in a sliding mode through a sliding groove, the movable coal baffle is integrally arranged on one side of the outer surface of the sliding block, and adjusting assemblies used for adjusting the position of the movable coal baffle are installed on the two sides of the outer surface of the movable coal baffle. According to the adjustable spillplate device for preventing coal and gangue from jumping out to hurt people at the tail of the loader, the oil cylinders supply pressure through an emulsification pump used on a mining face to achieve the telescopic function so as to control the movable spillplate to ascend and descend, the height of the tail of the loader is controlled by controlling the movable spillplate to ascend and descend through the oil cylinders, comprehensive blocking is carried out according to different roadway conditions, and the working efficiency is improved. Repeated processing is not needed, and real-time adjustment according to roadway conditions is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of underground mine safety, in particular to an adjustable coal blocking plate device at the tail of a loader for preventing coal gangue from escaping and injuring people. Background Art

[0002] At the joint between the tail of the loader in the coal mine and the head of the scraper conveyor at the mining face, accidents of coal gangue often occur during the delivery process, and there is a great safety hazard every time people pass through this position back and forth.

[0003] For example, the invention with application number CN202011218408.8 discloses a device for preventing the head of a scraper conveyor of a fully mechanized mining working face from collision and its use method. The device is placed at the junction of the scraper conveyor and the bridge loader of the working face, and is suspended on the top plate support structure at the end of the transport tunnel, including a lifting system, a guide system and an arresting system. The lifting system is located at the top and is composed of an inner thread tube, a long screw, a circular washer, bolts and nuts, and a shackle to adjust the height of the device; the guide system is hingedly connected to the lifting system, and is mainly composed of a mining I-beam with end suspension grooves, middle suspension grooves and tooth grooves inside, which provides a suspension fulcrum for the arresting system below and realizes its horizontal movement; the arresting system is composed of an anti-collision steel plate and a buffer component welded to the bottom of the anti-collision steel plate, which is used to reduce or avoid the damage caused by the collision or flying out of coal gangue. The device has a simple structure, is easy to operate, can move flexibly with the advancement of the working face, and is highly practical. However, it is not possible to completely block the tunnel, and secondly, repeated processing is required as the height of the tunnel changes. Summary of the invention

[0004] The object of the present invention is to provide an adjustable coal-blocking plate device at the tail of a loader to prevent coal gangue from escaping and injuring people, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable coal-blocking plate device at the tail of a loader to prevent coal gangue from escaping and injuring people, comprising a transfer machine and a movable coal-blocking plate, a fixed coal-blocking plate is fixedly installed on one side of the surface of the transfer machine by fixing bolts, and slide grooves are provided on both sides of the interior of the fixed coal-blocking plate, a slider is slidably installed on the fixed coal-blocking plate through the slide groove, and the movable coal-blocking plate is integrally arranged on one side of the outer surface of the slider, and adjustment components for adjusting the position of the movable coal-blocking plate are installed on both sides of the outer surface of the movable coal-blocking plate, and the adjustment components comprise a lower mounting plate, a cylinder, an upper mounting plate and a positioning screw, a cylinder is arranged on the top of the lower mounting plate, and an upper mounting plate is installed on the output end of the cylinder, and positioning screws are threadedly arranged on the interiors of the lower mounting plate and the upper mounting plate.

[0006] Preferably, a movable coal blocking plate is provided on an outer surface of one side of the lower mounting plate, and a bottom plate is provided at the bottom of the movable coal blocking plate.

[0007] Preferably, a fixed coal-blocking plate is installed on the outer surface of the bottom plate, and a top plate is arranged on the top of the fixed coal-blocking plate.

[0008] Preferably, two groups of the adjusting components are provided, and the two groups of the adjusting components are symmetrically distributed about the vertical center line of the movable coal baffle plate.

[0009] Preferably, a groove is formed on the top of the sliding block, and a connecting column is mounted on the sliding block through the groove.

[0010] Preferably, a protective plate is integrally mounted on the end of the connecting column, and the length of the protective plate is greater than the length of the sliding block.

[0011] Preferably, a buffer assembly for reinforcing and supporting the fixed coal retaining plate is provided on one side of the fixed coal retaining plate, and the buffer assembly includes a stabilizing rod, an inner plate and a connecting spring, the inner part of the stabilizing rod is provided with an inner plate, and connecting springs are equidistantly installed on the outer surface of the inner plate.

[0012] Preferably, a protective component for protection is provided at the end of the connecting spring, and the protective component includes a support plate, a mounting groove and a mounting block. The four inner corners of the support plate are provided with mounting grooves, and the support plate is mounted with a mounting block through the mounting groove.

[0013] Preferably, a pad is provided on an outer surface of one side of the mounting block, and the pad is provided on an outer surface of one side of the supporting plate.

[0014] Preferably, a rubber pad is provided on the outer surface of the end of the protective plate, and a fixed coal blocking plate is installed at the bottom of the rubber pad.

[0015] Compared with the prior art, the invention has the following beneficial effects: the adjustable coal baffle device at the tail of the loader to prevent coal gangue from escaping and injuring people adopts iron plates to process fixed coal baffles and movable coal baffles. The movable coal baffles can be driven by the design of the oil cylinder in the adjustment component and the cooperation of the lower mounting plate and the upper mounting plate to use the design of the slider so that the entire movable coal baffle slides up or down inside the slide groove in the fixed coal baffle. The oil cylinder controls the lifting and lowering of the movable coal baffle by supplying pressure through the emulsified pump used at the mining face. The lifting and lowering of the movable coal baffle is controlled by the oil cylinder to control the height of the tail of the transfer machine. Comprehensive blocking can be performed according to different roadway conditions, and it can also be adjusted according to different roadway heights without repeated processing, which is conducive to real-time adjustment according to roadway conditions and greatly improves safety performance. The adjustable coal shield device at the tail of the loader is used to prevent coal gangue from jumping out and injuring people. The fixed coal shield is connected to the rubber pad. When the movable coal shield is driven to move by the oil cylinder, the rubber pad and the protective plate can be used to shield and protect the movable coal shield from the outside of the slide block and the slide slot, so as to prevent coal gangue debris from falling between the slide block and the slide slot and affecting the smoothness of the movable coal shield when moving. The adjustable coal-blocking plate device at the tail of the loader can prevent coal gangue from escaping and injuring people. The design of the stabilizing rod and the built-in plate can reinforce and support the fixed coal-blocking plate from one side again. The design of the connecting spring can use the elastic extension and contraction design of the connecting spring to cushion the impact of coal gangue fragments, thereby reducing the damage to the support plate caused by local pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the partial structure of the installation side section of an adjustable coal-blocking plate device for preventing coal gangue from escaping and injuring people at the tail of a loader according to the present invention; Figure 2 It is a schematic diagram of the combined structure of a movable coal shield and a fixed coal shield of an adjustable coal shield device for preventing coal gangue from escaping and injuring people at the tail of a loader according to the present invention; Figure 3 It is a schematic diagram of the fixed coal shield structure of an adjustable coal shield device for preventing coal gangue from escaping and injuring people at the tail of a loader according to the present invention; Figure 4 This is a schematic diagram of the structure of a movable coal shield of an adjustable coal shield device for preventing coal gangue from escaping and injuring people at the tail of a loader according to the present invention; Figure 5 The present invention is a schematic diagram of a buffer assembly of an adjustable coal baffle device at the tail of a loader to prevent coal gangue from escaping and injuring people.

[0017] In the figure: 1. Transfer machine; 2. Movable coal baffle plate; 3. Fixed coal baffle plate; 4. Adjustment assembly; 401. Lower mounting plate; 402. Oil cylinder; 403. Upper mounting plate; 404. Positioning screw; 5. Top plate; 6. Slide groove; 7. Bottom plate; 8. Slider; 9. Connecting column; 10. Protective plate; 11. Protective assembly; 1101. Support plate; 1102. Mounting groove; 1103. Mounting block; 12. Buffer assembly; 1201. Stabilizing rod; 1202. Built-in plate; 1203. Connecting spring; 13. Pad; 14. Rubber pad. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1-Figure 5 As shown, the present invention provides a technical solution: an adjustable coal blocking plate device at the tail of a loader to prevent coal gangue from escaping and injuring people, comprising a transfer machine 1, a movable coal blocking plate 2, a fixed coal blocking plate 3, an adjustment component 4, a lower mounting plate 401, an oil cylinder 402, an upper mounting plate 403, a positioning screw 404, a top plate 5, a slide groove 6, a bottom plate 7, a slide block 8, a connecting column 9, a protective plate 10, a protective component 11, a support plate 1101, a mounting groove 1102, a mounting block 1103, a buffer component 12, a stabilizer A fixed rod 1201, an inner plate 1202, a connecting spring 1203, a pad 13 and a rubber pad 14, a fixed coal baffle plate 3 is fixedly installed on one side of the surface of the transfer machine 1 by fixing bolts, and slide grooves 6 are provided on both sides of the interior of the fixed coal baffle plate 3, a slider 8 is slidably installed on the fixed coal baffle plate 3 through the slide groove 6, a groove is provided on the top of the slider 8, and a connecting column 9 is installed on the slider 8 through the groove engagement, a protective plate 10 is integrally installed on the end of the connecting column 9, and the length of the protective plate 10 is greater than the length of the slider 8, a rubber pad 14 is provided on the outer surface of the end of the protective plate 10, and the fixed coal baffle plate 3 is installed on the bottom of the rubber pad 14, the movable coal baffle plate 2 is integrally arranged on one side of the outer surface of the slider 8, and adjustment components 4 for adjusting the position of the movable coal baffle plate 2 are installed on both sides of the outer surface of the movable coal baffle plate 2, and the adjustment component 4 includes a lower mounting plate 401, a cylinder 402, an upper mounting plate 403 and a positioning screw 404, and the adjustment component 4 is provided with two groups, and the two groups of adjustment components 4 are about the movable The vertical center lines of the coal baffle plates 2 are symmetrically distributed, an oil cylinder 402 is arranged on the top of the lower mounting plate 401, and an upper mounting plate 403 is installed at the output end of the oil cylinder 402, and positioning screws 404 are threadedly arranged inside the lower mounting plate 401 and the upper mounting plate 403, a movable coal baffle plate 2 is arranged on the outer surface of one side of the lower mounting plate 401, and a bottom plate 7 is arranged at the bottom of the movable coal baffle plate 2, a fixed coal baffle plate 3 is installed on the outer surface of the bottom plate 7, and a top plate 5 is arranged on the top of the fixed coal baffle plate 3; The fixed coal baffle plate 3 is processed by iron plate, and the movable coal baffle plate 2 is processed by iron plate. Through the design of the oil cylinder 402 in the adjustment component 4 and the cooperation of the lower mounting plate 401 and the upper mounting plate 403, the movable coal baffle plate 2 can be driven to utilize the design of the slider 8 so that the entire movable coal baffle plate 2 slides up or down inside the slide groove 6 in the fixed coal baffle plate 3. The oil cylinder 402 controls the lifting and lowering of the movable coal baffle plate 2 by supplying pressure through the emulsified pump used in the mining face. The oil cylinder 402 controls the lifting and lowering of the movable coal baffle plate 2 to control the height of the tail of the transfer machine. Comprehensive blocking can be performed according to different roadway conditions, and the adjustment can also be performed according to different roadway heights. The joints do not need to be repeatedly processed, which is conducive to real-time adjustment according to the conditions of the tunnel, greatly improving the safety performance. In addition, the design of the positioning screw 404 is convenient for the connection and installation of the cylinder 402 with the lower mounting plate 401 and the upper mounting plate 403, which is conducive to targeted replacement when the cylinder 402 fails. Secondly, the fixed coal baffle plate 3 is connected with the rubber pad 14, when the movable coal baffle plate 2 is displaced by the cylinder 402, the rubber pad 14 and the protective plate 10 can be used to shield and protect it from the outside of the slider 8 and the slide chute 6, so as to prevent coal gangue slag from falling between the slider 8 and the slide chute 6 and affecting the smoothness of the movement of the movable coal baffle plate 2.

[0020] A buffer component 12 for reinforcing and supporting the fixed coal baffle plate 3 is provided on one side of the fixed coal baffle plate 3, and the buffer component 12 includes a stabilizing rod 1201, an inner plate 1202 and a connecting spring 1203, the inner portion of the stabilizing rod 1201 is provided with an inner plate 1202, and the outer surface of the inner plate 1202 is equidistantly provided with connecting springs 1203, and the end of the connecting spring 1203 is provided with a protective component 11 for protection, and the protective component 11 includes a support plate 1101, a mounting groove 1102 and a mounting block 1103, the inner four corners of the support plate 1101 are provided with mounting grooves 1102, the support plate 1101 is mounted with the mounting block 1103 through the mounting grooves 1102, a pad 13 is provided on the outer surface of one side of the mounting block 1103, and the pad 13 is provided on the outer surface of one side of the support plate 1101; Through the design of the stabilizing rod 1201 and the built-in plate 1202, the fixed coal blocking plate 3 can be reinforced and supported again from one side, and through the design of the connecting spring 1203, when the support plate 1101 is hit by the rushing coal gangue debris, the elastic extension and contraction design of the connecting spring 1203 can be used for buffering, thereby reducing the damage to the support plate 1101 caused by local pressure, and a detachable rubber-plastic material pad 13 is provided on one side of the connecting spring 1203, which can be used to reduce noise when the support plate 1101 is hit by the rushing coal gangue debris. In addition, when the pad 13 is damaged after repeated use, the mounting groove 1102 and the mounting block 1103 can be used to separate the pad 13 and the support plate 1101, so as to facilitate the replacement of the new pad 13 and protect the support plate 1101.

[0021] The adjustable coal baffle device at the tail of the loader to prevent coal gangue from escaping and injuring people adopts an iron plate to process a fixed coal baffle 3 and an iron plate to process a movable coal baffle 2. During installation, the fixed coal baffle 3 is fixed to the tail of the transfer machine 1 by using high-strength fixing bolts, and then the movable coal baffle 2 can be driven by the design of the slide block 8 through the design of the oil cylinder 402 in the adjustment component 4 and the cooperation of the lower mounting plate 401 and the upper mounting plate 403, so that the entire movable coal baffle 2 slides up or down in the slide groove 6 in the fixed coal baffle 3. The oil cylinder 402 is compacted by the emulsification pump used at the mining surface. The telescopic function is used to control the lifting of the movable coal baffle plate 2. The lifting of the movable coal baffle plate 2 is controlled by the oil cylinder 402 to control the height of the tail of the transfer machine. Comprehensive blocking can be carried out according to different tunnel conditions. It can also be adjusted according to different tunnel heights without repeated processing, which is conducive to real-time adjustment according to tunnel conditions, greatly improving safety performance. In addition, the design of the positioning screw 404 facilitates the connection and installation of the oil cylinder 402 with the lower mounting plate 401 and the upper mounting plate 403, which is conducive to targeted replacement when the oil cylinder 402 fails. Secondly, by fixing the coal baffle plate 3 and The rubber pad 14 connection design can use the rubber pad 14 and the protection plate 10 to shield and protect the slider 8 and the slide groove 6 from the outside when the oil cylinder 402 is used to drive the movable coal baffle 2 to move, so as to prevent the coal gangue debris from falling between the slider 8 and the slide groove 6 and affecting the smoothness of the movement of the movable coal baffle 2. Secondly, the design of the stabilizing rod 1201 and the built-in plate 1202 can reinforce and support the fixed coal baffle 3 from one side again, and the design of the connecting spring 1203 can use the connecting spring 1203 to prevent the support plate 1101 from being hit by the coal gangue debris. The elastic extension and contraction design of 203 is used for buffering, reducing the damage to the support plate 1101 caused by local pressure, and a detachable rubber-plastic material pad 13 is provided on one side of the connecting spring 1203. When the support plate 1101 is hit by the coal gangue debris, the pad 13 can be used to reduce noise. In addition, when the pad 13 is damaged after repeated use, the mounting groove 1102 and the mounting block 1103 can be used to separate the pad 13 and the support plate 1101, so as to facilitate the replacement of a new pad 13 and protect the support plate 1101.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable coal-blocking plate device at the tail of a loader to prevent coal gangue from escaping and injuring people, comprising a transfer machine (1) and a movable coal-blocking plate (2), characterized in that: A fixed coal baffle plate (3) is fixedly mounted on one side of the surface of the transfer machine (1) by means of fixing bolts, and both sides of the interior of the fixed coal baffle plate (3) are provided with slide grooves (6), and a slider (8) is slidably mounted on the fixed coal baffle plate (3) through the slide grooves (6), and the movable coal baffle plate (2) is integrally arranged on one side of the outer surface of the slider (8), and both sides of the outer surface of the movable coal baffle plate (2) are provided with adjustment components (4) for adjusting the position of the movable coal baffle plate (2), and the adjustment components (4) include a lower mounting plate (401), an oil cylinder (402), an upper mounting plate (403) and a positioning screw (404), the top of the lower mounting plate (401) is provided with an oil cylinder (402), and the output end of the oil cylinder (402) is provided with an upper mounting plate (403), and the interiors of the lower mounting plate (401) and the upper mounting plate (403) are both threadedly provided with positioning screws (404).

2. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 1 is characterized in that: A movable coal baffle plate (2) is provided on the outer surface of one side of the lower mounting plate (401), and a bottom plate (7) is provided at the bottom of the movable coal baffle plate (2).

3. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 2, characterized in that: A fixed coal retaining plate (3) is installed on the outer surface of the bottom plate (7), and a top plate (5) is arranged on the top of the fixed coal retaining plate (3).

4. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 1 is characterized in that: The adjustment components (4) are provided in two groups, and the two groups of the adjustment components (4) are symmetrically distributed about the vertical center line of the movable coal baffle plate (2).

5. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 1 is characterized in that: A groove is provided on the top of the sliding block (8), and a connecting column (9) is mounted on the sliding block (8) through the groove.

6. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 5, characterized in that: A protective plate (10) is integrally mounted on the end of the connecting column (9), and the length of the protective plate (10) is greater than the length of the sliding block (8).

7. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 1, characterized in that: A buffer assembly (12) for reinforcing and supporting the fixed coal baffle plate (3) is arranged on one side of the fixed coal baffle plate (3), and the buffer assembly (12) comprises a stabilizing rod (1201), an inner plate (1202) and a connecting spring (1203), the inner part of the stabilizing rod (1201) is provided with the inner plate (1202), and the outer surface of the inner plate (1202) is equidistantly mounted with connecting springs (1203).

8. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 7, characterized in that: A protective component (11) for protection is provided at the end of the connecting spring (1203), and the protective component (11) comprises a support plate (1101), a mounting groove (1102) and a mounting block (1103), the four inner corners of the support plate (1101) are provided with mounting grooves (1102), and the support plate (1101) is mounted with the mounting block (1103) through the mounting grooves (1102).

9. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 8, characterized in that: A pad (13) is provided on one side outer surface of the mounting block (1103), and the pad (13) is provided on one side outer surface of the support plate (1101).

10. The adjustable coal shield device at the tail of a loader to prevent coal gangue from escaping and injuring people according to claim 6, characterized in that: A rubber pad (14) is provided on the outer surface of the end of the protection plate (10), and a fixed coal blocking plate (3) is installed at the bottom of the rubber pad (14).

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