Adjustable coal blocking plate device for preventing coal gangue from escaping from the back of a loader
By designing an adjustable coal retaining plate device, the lifting and lowering of the movable coal retaining plate is controlled by a hydraulic cylinder and adjusting components. Combined with rubber pads and buffer components, the safety hazards caused by coal and gangue leakage are solved, and the safety performance and adaptability of the device are improved.
Patent Information
- Application Number
- CN202510069035.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2045-01-16
AI Technical Summary
Coal and gangue are prone to escaping at the junction of the tail of the loader and the head of the scraper conveyor in the mining face in underground coal mines, causing safety hazards. Existing devices cannot completely block them and require frequent and repeated processing as the roadway changes.
Design an adjustable coal retaining plate device including a transfer machine, a movable coal retaining plate, and a fixed coal retaining plate. The movable coal retaining plate is raised and lowered by a hydraulic cylinder and an adjustment component. Combined with rubber pads and a buffer component, it can adapt to different roadway conditions and achieve all-round sealing and safety support.
It enables real-time adjustment based on roadway conditions, preventing coal and gangue from escaping, improving safety performance, reducing the need for repeated processing, and enhancing the adaptability and safety of the equipment.
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Figure CN119774326B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mine safety, in particular to a kind of adjustable coal baffle device for preventing coal gangue from escaping from the tail of loader. BACKGROUND
[0002] There are often accidents of coal gangue escaping from the tail of loader and hurting people during the process of loading in the position where the tail of loader and the head of scraper conveyor on the mining surface overlap.
[0003] For example, the application number CN202011218408.8 discloses a kind of head of scraper conveyor of fully mechanized coal mining face and uses method of gangue blocking anti-collision device, which is placed at the intersection of working face scraper conveyor and bridge type loader, hung on the end head roof support structure of transportation roadway, including lifting system, guide system and blocking system. The lifting system is located at the top, composed of inner tube, long screw, ring washer, bolt and nut, and shackle, to adjust the height of the device; the guide system is hinged to the lifting system, mainly composed of a mine I-beam with end suspension groove, middle suspension groove and tooth groove, to provide a suspension fulcrum for the blocking system below and realize its horizontal movement; the blocking system is composed of a collision-resistant steel plate and a buffer component welded to the bottom of the collision-resistant steel plate, to reduce or avoid the damage caused by coal gangue impact or flying out. The device has simple structure, convenient operation, can move flexibly with the working face advancing, and has high practicality. However, it cannot be completely blocked, and needs to be processed repeatedly with the change of roadway height. SUMMARY
[0004] The present application aims to provide a kind of adjustable coal baffle device for preventing coal gangue from escaping from the tail of loader, to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a kind of adjustable coal baffle device for preventing coal gangue from escaping from the tail of loader, including transfer machine and movable coal baffle, the surface side of the transfer machine is fixedly installed with fixed coal baffle through fixed bolt, and the inside of fixed coal baffle is provided with sliding groove on both sides, the sliding block is slidably installed in the fixed coal baffle through the sliding groove, the movable coal baffle is integrally arranged on one side of the outer surface of the sliding block, the outer surface of the movable coal baffle is provided with adjusting assembly for adjusting the position of the movable coal baffle on both sides, and the adjusting assembly includes lower mounting plate, oil cylinder, upper mounting plate and positioning screw, the top of the lower mounting plate is provided with oil cylinder, and the output end of the oil cylinder is provided with upper mounting plate, the inside of the lower mounting plate and the upper mounting plate is provided with positioning screw in screw thread.
[0006] Preferably, the outer surface of one side of the lower mounting plate is provided with movable coal baffle, and the bottom of the movable coal baffle is provided with bottom plate.
[0007] Preferably, the outer surface of the bottom plate is provided with a fixed coal baffle, and the top of the fixed coal baffle is provided with a top plate.
[0008] Preferably, the adjusting assembly is provided with two groups, and the two groups of adjusting assemblies are symmetrically distributed about the vertical center line of the movable coal baffle.
[0009] Preferably, the top of the sliding block is provided with a groove, and the sliding block is provided with a connecting column through groove clamping.
[0010] Preferably, the end of the connecting column is integrally provided with a protective plate, and the length of the protective plate is greater than the length of the sliding block.
[0011] Preferably, one side of the fixed coal baffle is provided with a buffer assembly for reinforcing and supporting the fixed coal baffle, and the buffer assembly comprises a stabilizing rod, an embedded plate and a connecting spring, the inside of the stabilizing rod is provided with the embedded plate, and the outer surface of the embedded plate is provided with the connecting spring at equal intervals.
[0012] Preferably, the end of the connecting spring is provided with a protective assembly for protection, and the protective assembly comprises a supporting plate, a mounting slot and a mounting block, the inside of the four corners of the supporting plate is provided with the mounting slot, and the supporting plate is provided with the mounting block through the mounting slot.
[0013] Preferably, one side of the outer surface of the mounting block is provided with a backing plate, and the backing plate is arranged on one side of the outer surface of the supporting plate.
[0014] Preferably, the end of the outer surface of the protective plate is provided with a rubber pad, and the bottom of the rubber pad is provided with the fixed coal baffle.
[0015] Compared with the prior art, the beneficial effects of the adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of the loader and hurting people are as follows: the fixed coal baffle is made of iron plate, the movable coal baffle is made of iron plate, through the design of the oil cylinder in the adjusting assembly and the cooperation of the lower mounting plate and the upper mounting plate, the movable coal baffle can be driven to slide in the sliding groove inside the fixed coal baffle through the design of the sliding block, the oil cylinder realizes the telescopic function through the pressure provided by the emulsion pump used in the mining face to control the lifting of the movable coal baffle, the lifting of the movable coal baffle is controlled through the oil cylinder to control the height of the machine tail of the rehandler, the height can be adjusted according to different roadway conditions, and the height can also be adjusted according to different roadway heights, without repeated processing, which is beneficial to the real-time adjustment according to the roadway conditions, and greatly improves the safety performance.
[0016] The adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people can block and protect from the outside of the sliding block and the sliding groove by the design of the rubber pad and the protection plate when the movable coal blocking plate is displaced by the oil cylinder, so that the smoothness of the movable coal blocking plate is avoided when the coal gangue falls between the sliding block and the sliding groove.
[0017] The adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people can again reinforce and support the fixed coal blocking plate from one side by the design of the stable rod and the built-in plate, and can buffer by the elastic extension and contraction of the connecting spring when the support plate is impacted by the straying coal gangue, so as to reduce the damage of local pressure to the support plate. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a partial structure schematic view of the installation side of the adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people.
[0019] Figure 2 It is a combined structure schematic view of the movable coal blocking plate and the fixed coal blocking plate of the adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people.
[0020] Figure 3 It is a structure schematic view of the fixed coal blocking plate of the adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people.
[0021] Figure 4 It is a structure schematic view of the movable coal blocking plate of the adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people.
[0022] Figure 5 It is a buffer assembly schematic view of the adjustable coal blocking plate device for preventing coal gangue from straying out of the tail of the loader and hurting people.
[0023] In the figure: 1, reloader; 2, movable coal blocking plate; 3, fixed coal blocking plate; 4, adjusting assembly; 401, lower mounting plate; 402, oil cylinder; 403, upper mounting plate; 404, positioning screw; 5, top plate; 6, sliding groove; 7, bottom plate; 8, sliding block; 9, connecting column; 10, protection plate; 11, protection assembly; 1101, support plate; 1102, mounting groove; 1103, mounting block; 12, buffer assembly; 1201, stable rod; 1202, built-in plate; 1203, connecting spring; 13, pad; 14, rubber pad. DETAILED DESCRIPTION
[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0025] As shown in Figures 1-5 The present application provides a technical solution: a loader tail anti-coal gangue outburst adjustable coal blocking plate device, which comprises a transfer machine 1, a movable coal blocking plate 2, a fixed coal blocking plate 3, an adjusting assembly 4, a lower mounting plate 401, an oil cylinder 402, an upper mounting plate 403, a positioning screw 404, a top plate 5, a sliding groove 6, a bottom plate 7, a sliding block 8, a connecting column 9, a protective plate 10, a protective assembly 11, a supporting plate 1101, a mounting groove 1102, a mounting block 1103, a buffer assembly 12, a stabilizing rod 1201, an inner plate 1202, a connecting spring 1203, a pad 13, and a rubber pad 14. The fixed coal blocking plate 3 is fixedly installed on one side of the surface of the transfer machine 1 through fixed bolts, and sliding grooves 6 are formed in the inner sides of the fixed coal blocking plate 3. The sliding block 8 is slidably installed in the fixed coal blocking plate 3 through the sliding grooves 6. A groove is formed in the top of the sliding block 8, and the connecting column 9 is installed in the sliding block 8 through groove clamping. The protective plate 10 is integrally installed at 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. The rubber pad 14 is arranged on the outer surface of the end of the protective plate 10, and the fixed coal blocking plate 3 is installed at the bottom of the rubber pad 14. The movable coal blocking plate 2 is integrally arranged on one side of the outer surface of the sliding block 8. The adjusting assembly 4 for adjusting the position of the movable coal blocking plate 2 is installed on the outer surfaces of the two sides of the movable coal blocking plate 2. The adjusting assembly 4 comprises the lower mounting plate 401, the oil cylinder 402, the upper mounting plate 403, and the positioning screw 404. Two groups of adjusting assemblies 4 are arranged symmetrically about the vertical center line of the movable coal blocking plate 2. The oil cylinder 402 is arranged at the top of the lower mounting plate 401, and the output end of the oil cylinder 402 is provided with the upper mounting plate 403. The positioning screw 404 is threadedly arranged in the interiors of the lower mounting plate 401 and the upper mounting plate 403. The movable coal blocking plate 2 is arranged on one side of the outer surface of the lower mounting plate 401, and the bottom plate 7 is arranged at the bottom of the movable coal blocking plate 2. The fixed coal blocking plate 3 is installed on the outer surface of the bottom plate 7, and the top plate 5 is arranged at the top of the fixed coal blocking plate 3.
[0026] The fixed coal baffle 3 is processed by iron plate, the movable coal baffle 2 is processed by iron plate, the oil cylinder 402 in the adjusting assembly 4 is designed, and the lower mounting plate 401 and the upper mounting plate 403 are cooperated, the movable coal baffle 2 can be driven to slide in the sliding groove 6 in the fixed coal baffle 3 by the design of the sliding block 8, the oil cylinder 402 is supplied with pressure by the emulsion pump used in the mining face, the extension function is realized to control the lifting of the movable coal baffle 2, the height of the tail of the transshipment machine is controlled by the lifting of the movable coal baffle 2 controlled by the oil cylinder 402, the sealing is carried out in all aspects according to different roadway conditions, the height of the roadway can be adjusted according to different roadway heights, repeated processing is not needed, the safety performance is greatly improved, the oil cylinder 402 is connected and installed with the lower mounting plate 401 and the upper mounting plate 403 by the design of the positioning screw 404, targeted replacement can be carried out when the oil cylinder 402 fails, the movable coal baffle 2 is displaced by the oil cylinder 402, the rubber pad 14 and the protective plate 10 are used to shield and protect from the outside of the sliding block 8 and the sliding groove 6, the coal gangue is prevented from falling between the sliding block 8 and the sliding groove 6 to affect the smoothness of the movable coal baffle 2.
[0027] The fixed coal baffle 3 is provided with a buffer assembly 12 for reinforcing and supporting the fixed coal baffle 3, the buffer assembly 12 comprises a stable rod 1201, an embedded plate 1202 and a connecting spring 1203, the stable rod 1201 is provided with the embedded plate 1202 inside, the connecting spring 1203 is installed on the outer surface of the embedded plate 1202 at equal intervals, the end of the connecting spring 1203 is provided with a protective assembly 11 for protection, the protective assembly 11 comprises a support plate 1101, a mounting groove 1102 and a mounting block 1103, the mounting groove 1102 is formed at the four corners of the inside of the support plate 1101, the mounting block 1103 is clamped and installed on the support plate 1101 through the mounting groove 1102, the side outer surface of the mounting block 1103 is provided with a pad 13, and the pad 13 is arranged on the side outer surface of the support plate 1101;
[0028] The design of the stable rod 1201 and the built-in plate 1202 can reinforce and support the fixed coal baffle 3 from one side, and the design of the connecting spring 1203 can buffer the elastic extension and contraction of the connecting spring 1203 when the support plate 1101 is impacted by the coal gangue fragments, reduce the damage of local pressure to the support plate 1101, and one side of the connecting spring 1203 is provided with a detachable rubber material pad plate 13, which can reduce noise when the support plate 1101 is impacted by the coal gangue fragments, and the pad plate 13 can be separated from the support plate 1101 by the installation slot 1102 and the installation block 1103 when the pad plate 13 is damaged after being used for many times, so that the new pad plate 13 can be replaced, and the support plate 1101 can be protected.
[0029] The adjustable coal blocking plate device of the loader tail prevents coal gangue from escaping and hurting people, adopts iron plate processing to fix the fixed coal blocking plate 3, adopts iron plate processing to the movable coal blocking plate 2, when installing, the high-strength fixed bolt is used to fix the fixed coal blocking plate 3 on the tail of the transfer machine 1, then through the design of the oil cylinder 402 in the adjusting assembly 4 and the cooperation of the lower mounting plate 401 and the upper mounting plate 403, the movable coal blocking plate 2 can be driven to slide in the sliding groove 6 inside the fixed coal blocking plate 3 to move up or down, the oil cylinder 402 realizes the telescopic function through the pressure provided by the emulsion pump used in the mining face to control the lifting of the movable coal blocking plate 2, the height of the tail of the transfer machine is controlled by the lifting of the movable coal blocking plate 2 controlled by the oil cylinder 402, according to different roadway conditions, the height of the roadway can be adjusted, without repeated processing, which is beneficial to the real-time adjustment according to the roadway conditions, greatly improves the safety performance, in addition, the design of the positioning screw rod 404 is convenient for the connection and installation of the oil cylinder 402 with the lower mounting plate 401 and the upper mounting plate 403, which is beneficial to the targeted replacement when the oil cylinder 402 fails, secondly, through the design of the fixed coal blocking plate 3 connected with the rubber pad 14, when the movable coal blocking plate 2 is displaced by the oil cylinder 402, the rubber pad 14 and the protective plate 10 can be used to shield and protect from the outside of the sliding block 8 and the sliding groove 6, to avoid the coal gangue falling between the sliding block 8 and the sliding groove 6 affecting the smoothness of the movable coal blocking plate 2, secondly, through the design of the stable rod 1201 and the built-in plate 1202, the fixed coal blocking plate 3 can be reinforced and supported from one side, and through the design of the connecting spring 1203, the connecting spring 1203 can be elastically stretched and contracted to buffer when the support plate 1101 is impacted by the coal gangue, reducing the damage to the support plate 1101 caused by the local pressure, and one side of the connecting spring 1203 is provided with a detachable rubber pad 13, which can be used to reduce noise when the support plate 1101 is impacted by the coal gangue, in addition, when the pad 13 is damaged after being used for many times, the pad 13 and the support plate 1101 can be separated through the clamping design of the installation groove 1102 and the installation block 1103, which is convenient for replacing the new pad 13, and is beneficial to protecting the support plate 1101.
[0030] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.
Claims
1. A kind of adjustable coal baffle device of preventing coal gangue from escaping and hurting people in the tail of loader, including transfer machine (1) and movable coal baffle (2), it is characterized by: The surface side of the transfer machine (1) is fixedly installed with a fixed coal baffle (3) through fixing bolts, and the inside of the fixed coal baffle (3) is provided with a sliding groove (6) on both sides, the fixed coal baffle (3) is slidably installed with a sliding block (8) through the sliding groove (6), the movable coal baffle (2) is integrally arranged on one side of the outer surface of the sliding block (8), the outer surface of the movable coal baffle (2) is provided with an adjusting assembly (4) for adjusting the position of the movable coal baffle (2) on both sides, and the adjusting assembly (4) comprises 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), the inside of the lower mounting plate (401) and the upper mounting plate (403) is provided with a positioning screw (404) in threaded connection; The top of the sliding block (8) is provided with a groove, and the sliding block (8) is installed with a connecting column (9) through the groove in clamping connection; One side of the fixed coal baffle (3) is provided with a buffer assembly (12) for reinforcing and supporting the fixed coal baffle (3), and the buffer assembly (12) comprises a stable rod (1201), an inner plate (1202) and a connecting spring (1203), the inside of the stable rod (1201) is provided with an inner plate (1202), and the outer surface of the inner plate (1202) is provided with a connecting spring (1203) at equal intervals; The end of the connecting spring (1203) is provided with a protection assembly (11) for protection, and the protection assembly (11) comprises a supporting plate (1101), a mounting slot (1102) and a mounting block (1103), the inside of the supporting plate (1101) is provided with a mounting slot (1102) at four corners, and the supporting plate (1101) is installed with a mounting block (1103) through the mounting slot (1102) in clamping connection.
2. The adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of a loader and hurting people according to claim 1, characterized in that, One side of the outer surface of the lower mounting plate (401) is provided with a movable coal baffle (2), and the bottom of the movable coal baffle (2) is provided with a bottom plate (7).
3. The adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of a loader to hurt people according to claim 2, characterized in that: The outer surface of the bottom plate (7) is provided with a fixed coal baffle (3), and the top of the fixed coal baffle (3) is provided with a top plate (5).
4. The adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of a loader to hurt people according to claim 1, characterized in that: The adjusting assembly (4) is provided with two groups, and the two groups of adjusting assemblies (4) are symmetrically distributed about the vertical center line of the movable coal baffle (2).
5. The adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of a loader to hurt people according to claim 1, characterized in that: The end of the connecting column (9) is integrally installed with a protection plate (10), and the length of the protection plate (10) is greater than the length of the sliding block (8).
6. The adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of a loader to hurt people according to claim 1, characterized in that: One side of the outer surface of the mounting block (1103) is provided with a backing plate (13), and the backing plate (13) is arranged on one side of the outer surface of the supporting plate (1101).
7. The adjustable coal baffle device for preventing coal gangue from straying out of the machine tail of a loader to hurt people according to claim 5, characterized in that: The outer surface of the end of the protection plate (10) is provided with a rubber pad (14), and the bottom of the rubber pad (14) is provided with a fixed coal baffle (3).
Citation Information
Patent Citations
A rockfall prevention device for the head of a scraper conveyor in a fully mechanized mining face and its usage method
CN112249606B
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