A mine aggregate conveying system brake reinforcing structure

Abstract

The present application relates to the technical field of mine aggregate mining equipment, in particular to a mine aggregate conveying system braking reinforcement structure, comprising a support, a belt conveyor, a braking reinforcement device and a rockfall prevention device, which solves the problem that the existing mine aggregate conveying system mostly adopts belt conveyor inclined conveying, when braking occurs, the large aggregate on the belt conveyor will slide (roll) downward due to the action of braking inertia and its own gravity, not only driving other aggregate to roll (slide) downward to the outside of the belt conveyor, but also possibly falling into the inside of the belt conveyor, causing the phenomenon of jamming, reducing the conveying output of the aggregate, and additionally, the problem of needing to add artificial cleaning of the jammed aggregate, in addition, the problem of the aggregate falling downward to the outside of the belt conveyor possibly injuring the construction personnel passing below the belt conveyor, thereby causing unnecessary personal and economic losses is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mine aggregate mining equipment, in particular to a mine aggregate conveying system braking reinforcement structure. BACKGROUND

[0002] With the continuous increase of the production of mine aggregate production line, the overall feeding amount of the equipment is also increasing, but at present, in order to reduce the damage to the environment caused by mining blasting, the mined mine aggregate is mostly large, and the conveying power of the mine aggregate conveying system is also increasing, and when the mine aggregate is conveyed to the crushing equipment, the conveying system needs to be braked and decelerated.

[0003] At present, most of the mine aggregate conveying systems adopt inclined conveying of belt conveyors, and when braking occurs, the large aggregate on the belt conveyor will slide (roll) downward due to the action of braking inertia and its own gravity, not only driving other aggregate to roll (slide) downward to the outside of the belt conveyor, but also possibly falling into the inside of the belt conveyor, causing the phenomenon of jamming, reducing the conveying output of the aggregate, and also needing to add artificial cleaning of the jammed aggregate, in addition, the aggregate falling downward to the outside of the belt conveyor may injure the construction personnel passing below the belt conveyor, thereby causing unnecessary personal and economic losses.

[0004] Therefore, the present application provides a mine aggregate conveying system braking reinforcement structure. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a mine aggregate conveying system braking reinforcement structure, which solves the problem that most of the existing mine aggregate conveying systems adopt inclined conveying of belt conveyors, and when braking occurs, the large aggregate on the belt conveyor will slide (roll) downward due to the action of braking inertia and its own gravity, not only driving other aggregate to roll (slide) downward to the outside of the belt conveyor, but also possibly falling into the inside of the belt conveyor, causing the phenomenon of jamming, reducing the conveying output of the aggregate, and also needing to add artificial cleaning of the jammed aggregate, in addition, the aggregate falling downward to the outside of the belt conveyor may injure the construction personnel passing below the belt conveyor, thereby causing unnecessary personal and economic losses.

[0006] The technical scheme adopted by the present application to solve the above technical problems is: a mine aggregate conveying system braking reinforcement structure, comprising:

[0007] a support;

[0008] a belt conveyor fixedly installed on the upper end of the support;

[0009] a braking reinforcement device fixedly installed in the belt conveyor, comprising

[0010] The annular ligament is fixedly installed in the inside of the belt conveyor in cooperation;

[0011] The brake rod is uniformly arranged along the circumferential direction of the annular ligament, and brake grooves are arranged at the front and back ends of the brake rod;

[0012] The brake plate is symmetrically arranged on the front and back sides of the annular ligament, and a plurality of pairs of arc-shaped grooves are symmetrically arranged on the upper end of the brake plate;

[0013] The T-shaped sliding rod is slidingly arranged on the side wall of the arc-shaped groove, and the T-shaped sliding rod is provided with an extrusion spring on the side wall opposite to the front and back arc-shaped grooves.

[0014] Preferably, the belt conveyor comprises a guard plate, a mounting shaft, a conveying roller, an annular belt and a cross partition strip, the upper end of the support is fixedly connected with the guard plate, the guard plate is symmetrically arranged, the opposite side walls of the guard plate are rotatably provided with the mounting shaft near the two ends, each mounting shaft is symmetrically provided with the conveying roller, the conveying roller is provided with the annular belt in cooperation, and the outer side of the annular belt is uniformly provided with the cross partition strip along the circumferential direction.

[0015] Preferably, the brake reinforcing device further comprises a driving assembly and a pushing assembly, the driving assembly is fixedly installed between the front and back guard plates near the lower end, and the pushing assembly is symmetrically arranged on the upper end of the driving assembly.

[0016] Preferably, the driving assembly comprises a support plate, a lining plate, a bidirectional motor, a threaded rod, a rectangular block, a driving rod, a lifting plate and a support spring, the opposite side walls of the front and back guard plates are provided with a rectangular groove near the lower end, the lifting plate is slidingly installed in the rectangular groove through the support spring, the lower end of the rectangular groove is fixedly connected with the support plate, the support plate is symmetrically provided with the lining plate on the upper end, the lining plate is rotatably provided with the threaded rod, the front end of the threaded rod extends to the front of the lining plate on the front side and is connected with the bidirectional motor through a shaft coupling, the threaded rod is screwed with the rectangular block, the upper end of the rectangular block is hingedly connected with the driving rod, and the upper end of the driving rod is hingedly connected to the lower end of the lifting plate.

[0017] Preferably, the pushing assembly comprises a limiting sliding groove, a buffer spring, a push plate, a first ball head rod and a second ball head rod, the upper end surface of the lifting plate is provided with the limiting sliding groove symmetrically from front to back, the push plate is slidingly installed in the limiting sliding groove through the buffer spring, the side walls opposite to the push plate are uniformly provided with the first ball head rod from left to right, the opposite side walls of the guard plate are uniformly provided with the second ball head rod from left to right near the upper end, the second ball head rod is located above the first ball head rod, and the end heads of the first ball head rod and the second ball head rod are attached to each other.

[0018] Preferably, the mine aggregate conveying system brake reinforcing structure further comprises a rockfall prevention device fixedly arranged at the upper end of the guard plate, the rockfall prevention device comprising a rotating assembly, a push plate assembly and a rockfall prevention assembly, wherein the opposite side walls of the guard plate are provided with the push plate assembly near the upper end, the lower end of the push plate assembly extends below the guard plate and is connected with the rotating assembly, the upper end of the rotating assembly is fixedly installed on the side wall of the guard plate, and the upper end of the guard plate and above the push plate assembly are fixedly connected with the rockfall prevention assembly.

[0019] Preferably, the rotating assembly comprises a rotating motor, a first pulley, a rotating belt and a second pulley, wherein the rotating motor is fixedly installed on the side walls of the guard plate through the motor base, the first pulley is arranged on the output shaft of the rotating motor in a key connection manner, the second pulley is fixedly installed at the lower end of the push plate assembly, and the second pulley is connected with the first pulley through the rotating belt.

[0020] Preferably, the push plate assembly comprises a push groove, a transmission rod and a push plate, wherein the push grooves are uniformly arranged from left to right near the upper end of the opposite side walls of the guard plate, the transmission rod is rotatably installed in the push groove, the transmission rod extends below the guard plate and is fixedly connected with the second pulley, and the push plate is fixedly installed on the transmission rod in the push groove.

[0021] Preferably, the rockfall prevention assembly comprises a U-shaped frame, a rectangular mounting groove, a transition gear, an L-shaped plate, a rack segment, a return spring and a trapezoidal plate, the U-shaped frame is fixedly connected with the upper end of the guard plate and above the push plate, the opening of the U-shaped frame faces downward, the rectangular mounting groove is symmetrically arranged on the U-shaped frame, the transition gear is rotatably installed in the rectangular mounting groove through a gear shaft, the L-shaped plates are symmetrically arranged on the front and back of the transition gear, the rack segments are arranged on the opposite side walls of the L-shaped plates and are in meshing connection with the gear teeth of the transition gear, the return springs are fixedly installed between the end of the L-shaped plate away from the transition gear and the U-shaped frame, and the trapezoidal plates are fixedly connected with the lower ends of the two L-shaped plates above.

[0022] Preferably, the lower end of the L-shaped plate below is fixedly provided with a spherical protrusion in the middle of the lower end face.

[0023] The beneficial effects of the present application are as follows:

[0024] 1. A mine aggregate conveying system brake reinforcing structure, during the conveying of ore, the brake plate provided can support the annular belt to prevent the annular belt from deforming and causing the ore to slide, and in the brake reinforcing device, the driving assembly can drive the pushing assembly to move during braking, thereby driving the T-shaped slide rod to insert into the brake groove at the end of the brake rod, thereby achieving the purpose of braking, and during braking, the arc-shaped groove at the upper end of the brake plate can generate a certain frictional resistance on the brake rod, thereby facilitating the slow shutdown of the annular belt, ensuring stable braking of the ore, reducing the possibility of ore sliding, and solving the problem of machine jamming.

[0025] 2. A mine aggregate conveying system brake reinforcing structure, during braking, the push plate assembly can support the ore and drive the trapezoidal plate in the rockfall prevention assembly to downwardly surround the ore, further preventing the ore from falling downward, thereby ensuring the safety of the construction personnel when passing. BRIEF DESCRIPTION OF DRAWINGS

[0026] The application will be further described below in conjunction with the drawings and examples.

[0027] Figure 1 is a perspective structural schematic diagram of the application;

[0028] Figure 2 is a perspective structural schematic diagram of the application after removing the rockfall prevention device;

[0029] Figure 3 is a perspective structural schematic diagram of the application after removing the rockfall prevention device and the annular belt;

[0030] Figure 4 is a sectional perspective structural schematic diagram of the application Figure 3 ;

[0031] Figure 5 is an enlarged structural schematic diagram of A of the application Figure 3 ;

[0032] Figure 6 is a sectional perspective structural schematic diagram of the driving assembly in the application;

[0033] Figure 7 is a perspective structural schematic diagram of the rockfall prevention assembly in the application;

[0034] Figure 8 is a perspective structural schematic diagram of the trapezoidal plate in the application.

[0035] In the drawings:

[0036] 1. support;

[0037] 2. Belt conveyor; 21. Guard plate; 22. Mounting shaft; 23. Conveyor roller; 24. Endless belt; 25. Horizontal spacer;

[0038] 3. Braking reinforcement device; 31. Annular ligament; 32. Braking rod; 33. Braking plate; 34. Arc groove; 35. T-shaped slide bar; 36. Extrusion spring;

[0039] 37. Drive assembly; 371. Support plate; 372. Lining plate; 373. Bidirectional motor; 374. Threaded rod; 375. Rectangular block; 376. Drive rod; 377. Lifting plate; 378. Support spring;

[0040] 38. Push assembly; 381. Limiting slide; 382. Buffer spring; 383. Push plate; 384. No. 1 ball head rod; 385. No. 2 ball head rod;

[0041] 4. Anti-falling rock device;

[0042] 41. Rotating assembly; 411. Rotating motor; 412. Pulley No. 1; 413. Rotating belt; 414.

[0043] Pulley No. 2; 42, shift plate assembly; 421, shift slot; 422, transmission rod; 423, shift plate;

[0044] 43. Anti-falling rock assembly; 431. L-shaped frame; 432. Rectangular mounting groove; 433. Transition gear; 434. L-shaped plate; 4341. Spherical protrusion; 435. Rack segment; 436. Return spring; 437. Trapezoidal plate. DETAILED DESCRIPTION

[0045] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0046] Example 1:

[0047] See Figures 1 to 6 A braking reinforcement structure for a mine aggregate conveying system, comprising:

[0048] Bracket 1;

[0049] Belt conveyor 2, the belt conveyor 2 is fixedly installed on the upper end of the bracket 1, the belt conveyor 2 includes a guard plate 21, a mounting shaft 22, a conveying roller 23, an endless belt 24 and a cross bar 25. The upper end of the bracket 1 is fixedly connected to the guard plate 21, the guard plate 21 is symmetrically arranged front and back, and the opposite side walls of the guard plate 21 are rotatably provided with mounting shafts 22 near the two ends. Conveying rollers 23 are symmetrically installed front and back on each mounting shaft 22, and an endless belt 24 is fitted on the conveying roller 23. Cross bar 25 is evenly installed on the outer side of the endless belt 24 along its circumferential direction.

[0050] The brake reinforcing device 3 is fixedly installed inside the belt conveyor 2, comprising

[0051] The annular ligament 31 is fixedly installed inside the belt conveyor 2 in cooperation;

[0052] The brake rod 32 is uniformly arranged along the circumferential direction of the annular ligament 31, and the brake rod 32 is provided with brake grooves at the front and rear ends thereof;

[0053] The brake plate 33 is symmetrically distributed on the front and rear sides of the annular ligament 31, and a plurality of pairs of arc-shaped grooves 34 are symmetrically provided on the upper end of the brake plate 33;

[0054] The T-shaped slide rod 35 is slidably arranged on the side wall of the arc-shaped groove 34, and the T-shaped slide rod 35 on the side walls opposite to each other of the two arc-shaped grooves 34 is provided with an extrusion spring 36.

[0055] The brake reinforcing device 3 further comprises a driving assembly 37 and a pushing assembly 38, wherein the driving assembly 37 is fixedly installed at a position close to the lower end between the front and rear two guard plates 21, and the pushing assembly 38 is symmetrically arranged at the upper end of the driving assembly 37.

[0056] The driving assembly 37 comprises a support plate 371, a lining plate 372, a bidirectional motor 373, a threaded rod 374, a rectangular block 375, a driving rod 376, a lifting plate 377 and a support spring 378, a rectangular recess is provided at a position close to the lower end of the opposite side wall between the front and rear two guard plates 21, the lifting plate 377 is slidably installed in the rectangular recess through the support spring 378, the support plate 371 is fixedly connected to the lower end of the rectangular recess, the lining plate 372 is symmetrically arranged at the upper end of the support plate 371, the threaded rod 374 is rotatably installed on the lining plate 372, the bidirectional motor 373 is connected to the front side of the lining plate 372 through a shaft coupling at the front end of the threaded rod 374, the rectangular block 375 is screwed on the threaded rod 374, the driving rod 376 is hingedly connected to the upper end of the lifting plate 377.

[0057] The pushing assembly 38 comprises a limiting sliding groove 381, a buffer spring 382, a push plate 383, a first ball head rod 384 and a second ball head rod 385, the limiting sliding groove 381 is symmetrically provided on the upper end face of the lifting plate 377, the push plate 383 is slidably installed in the limiting sliding groove 381 through the buffer spring 382, the first ball head rod 384 is uniformly installed on the side wall opposite to each other of the push plate 383 from left to right, the second ball head rod 385 is uniformly installed on the opposite side wall of the guard plate 21 from left to right at a position close to the upper end, and the second ball head rod 385 is located above the first ball head rod 384, and the end heads of the first ball head rod 384 and the second ball head rod 385 are in close contact with each other.

[0058] In particular, the belt conveyor 2 is connected to an external output motor, the conveyor roller 23 and the endless belt 24 are driven to rotate by the external output motor, and the mined ore is filled on the endless belt 24 by the existing feeding device at the lower end of the belt conveyor 2, and the cross partition 25 can increase the friction between the ore and the endless belt 24, thereby facilitating the conveying of the ore.

[0059] In the conveying process of the endless belt 24, the endless band 31 and the brake lever 32 also rotate synchronously, and at this time the brake plate 33 can support the endless belt 24 to some extent, thereby preventing the endless belt 24 from deforming and causing the ore to slide off, when the belt conveyor 2 is braked, the external conveying motor is turned off, the bidirectional motor 373 is started, the threaded rod 374 is driven to rotate by the bidirectional motor 373, the rectangular blocks 375 on the front and back sides move in opposite directions at this time, the lifting plate 377 moves upward under the action of the driving rod 376, the brake plate 33 and the push plate 383 move upward driven by the lifting plate 377, at this time the arc-shaped groove 34 opened at the upper end of the brake plate 33 will generate a certain friction with the brake lever 32, and this friction force is conducive to the slow speed reduction of the endless band 31 and the endless belt 24 to the stopped state, thereby reducing the shaking of the ore when braking, and at the same time the first ball head rod 384 is pressed against the second ball head rod 385, the reaction force of the second ball head rod 385 on the first ball head rod 384 drives the push plates 383 on the front and back sides to move towards each other, the T-shaped sliding rod 35 is driven to move into the arc-shaped groove 34 and inserted into the brake groove at the end of the brake lever 32 by the push plate 383, at this time the brake lever 32, the endless band 31 and the endless belt 24 stop rotating under the resistance of the T-shaped sliding rod 35, thereby achieving the purpose of stopping.

[0060] Example two:

[0061] The technical scheme of example one is basically the same, please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 7 , the difference is:

[0062] The mine aggregate conveying system brake reinforcing structure further comprises a rockfall prevention device 4 fixedly arranged at the upper end of the guard plate 21, the rockfall prevention device 4 comprises a rotating assembly 41, a push plate assembly 42 and a rockfall prevention assembly 43, wherein the opposite side walls of the guard plate 21 are provided with the push plate assembly 42 near the upper end, the push plate assembly 42 extends below the guard plate 21 and is connected with the rotating assembly 41, the rotating assembly 41 is fixedly installed on the side wall of the guard plate 21 at the upper end, and the rockfall prevention assembly 43 is fixedly connected above the push plate assembly 42 at the upper end of the guard plate 21.

[0063] The rotating assembly 41 comprises a rotating motor 411, a first pulley 412, a rotating belt 413 and a second pulley 414, wherein the rotating motor 411 is fixedly installed on the side walls of the front and rear sides of the guard plate 21 through a motor base, the first pulley 412 is arranged on the output shaft of the rotating motor 411 in a key connection manner, the second pulley 414 is fixedly installed at the lower end of the push plate assembly 42, and the second pulley 414 is connected with the first pulley 412 through the rotating belt 413.

[0064] The push plate assembly 42 comprises a push groove 421, a transmission rod 422 and a push plate 423, wherein the push grooves 421 are uniformly and evenly formed from left to right at the positions close to the upper ends of the opposite side walls of the guard plate 21, the transmission rod 422 is rotatably installed in the push groove 421, the transmission rod 422 extends to below the guard plate 21 and is fixedly connected with the second pulley 414, and the push plate 423 is fixedly installed on the transmission rod 422 in the push groove 421.

[0065] The anti-rockfall assembly 43 comprises an L-shaped frame 431, a rectangular mounting groove 432, a transition gear 433, an L-shaped plate 434, a rack segment 435, a return spring 436 and a trapezoidal plate 437, the L-shaped frame 431 is fixedly connected to the upper end of the guard plate 21 and above the push plate 423, the L-shaped frame 431 has a downward opening, the rectangular mounting groove 432 is symmetrically formed on the L-shaped frame 431, the transition gear 433 is rotatably installed in the middle of the rectangular mounting groove 432 through a gear shaft, the L-shaped plates 434 are symmetrically arranged on the front and rear sides of the transition gear 433, the rack segment 435 is arranged on the opposite side walls of the L-shaped plate 434 and meshes with the gear teeth of the transition gear 433, the return spring 436 is fixedly installed between the end of the L-shaped plate 434 away from the transition gear 433 and the L-shaped frame 431, the trapezoidal plate 437 is fixedly connected to the lower ends of the two L-shaped plates 434 above, and the spherical protrusion 4341 is fixedly arranged on the lower end surface of the L-shaped plate 434 below.

[0066] In specific work, during the braking of the annular belt 24, the rotating motor 411 is started, the first pulley 412 is driven to rotate by the rotating motor 411, the second pulley 414 and the transmission rod 422 are also synchronously rotated under the action of the rotating belt 413, the push plate 423 is driven to rotate to a state perpendicular to the guard plate 21, the push plate 423 can support the ore to a certain extent, the spherical protrusion 4341 at the upper end of the push plate 423 can press the L-shaped plate 434 below, thereby driving the L-shaped plate 434 below and the rack segment 435 installed thereon to move upward, the L-shaped plate 434 above moves downward under the action of the transition gear 433 and drives the trapezoidal plate 437 to move downward, the trapezoidal plate 437 plays a certain intercepting role on the ore, thereby preventing the ore from falling.

[0067] The working principle of the application in use is as follows:

[0068] One: the belt conveyor 2 is connected with an external output motor, the conveying roller 23 and the endless belt 24 are driven to rotate by the external output motor, and the ores mined are filled to the endless belt 24 by the existing feeding equipment at the lower end of the belt conveyor 2, and the cross partition strip 25 can increase the friction between the ores and the endless belt 24, thereby facilitating the conveying of the ores;

[0069] Two: in the conveying process of the endless belt 24, the endless belt 31 and the brake lever 32 also rotate synchronously, at this time, the brake plate 33 can support the endless belt 24 to some extent, thereby preventing the endless belt 24 from deforming and causing the ores to slide off, when the belt conveyor 2 is braked, the external conveying motor is turned off, the bidirectional motor 373 is started, the threaded rod 374 is driven to rotate by the bidirectional motor 373, at this time, the rectangular blocks 375 on the front and back sides move in opposite directions, under the action of the driving rod 376, the lifting plate 377 moves upward, the brake plate 33 and the push plate 383 are driven to move upward by the lifting plate 377, at this time, the arc-shaped recess 34 formed in the upper end of the brake plate 33 will generate a certain friction with the brake lever 32, the friction force is conducive to the slow speed reduction of the endless belt 31 and the endless belt 24 to the stop state, thereby reducing the shaking of the ores when braked, at the same time, the first ball head lever 384 is pressed against the second ball head lever 385, the reaction force of the second ball head lever 385 on the first ball head lever 384 drives the push plates 383 on the front and back sides to move towards each other, the T-shaped sliding rod 35 is driven to move into the brake groove at the end of the brake lever 32 by the push plate 383, at this time, under the resistance of the T-shaped sliding rod 35, the brake lever 32, the endless belt 31 and the endless belt 24 stop rotating, thereby achieving the purpose of stopping;

[0070] Three: in the braking process of the endless belt 24, the rotating motor 411 is started, the first pulley 412 is driven to rotate by the rotating motor 411, under the action of the rotating belt 413, the second pulley 414 and the transmission rod 422 also rotate synchronously, thereby driving the push plate block 423 to rotate to a state perpendicular to the guard plate 21, the push plate block 423 can support the ores to some extent, at the same time, the spherical protrusion 4341 on the upper end of the push plate block 423 presses the L-shaped plate 434 below, thereby driving the L-shaped plate 434 below and the rack segment 435 mounted thereon to move upward, under the action of the transition gear 433, the L-shaped plate 434 above moves downward and drives the trapezoidal plate 437 to move downward, the trapezoidal plate 437 plays a certain intercepting role on the ores, thereby preventing the ores from falling.

[0071] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A braking reinforcement structure for a mine aggregate conveying system, characterized in that: include: The bracket (1) is fixedly connected to the upper end of the bracket (1) with a guard plate (21), and the guard plate (21) is symmetrically arranged in the front and rear directions; A belt conveyor (2), wherein the belt conveyor (2) is fixedly mounted on the upper end of the bracket (1); A braking reinforcement device (3), which is fixedly installed inside the belt conveyor (2), comprises: an annular ligament (31), the annular ligament (31) being fixedly mounted inside the belt conveyor (2); A brake rod (32), wherein the brake rod (32) is evenly arranged along the circumferential direction of the annular ligament (31) and brake grooves are provided at the front and rear ends of the brake rod (32); A brake plate (33), wherein the brake plate (33) is symmetrically distributed on the front and rear sides of the annular ligament (31) and a plurality of pairs of arc-shaped grooves (34) are symmetrically formed on the upper end of the brake plate (33); A T-shaped slide bar (35) is slidably passed through the side wall of the arc-shaped groove (34), and the T-shaped slide bar (35) on the opposite side walls of the front and rear arc-shaped grooves (34) is provided with a compression spring (36); The braking reinforcement device (3) further comprises a driving assembly (37) and a pushing assembly (38), wherein the driving assembly (37) is fixedly installed between the front and rear guard plates (21) near the lower end, and the pushing assembly (38) is symmetrically arranged at the front and rear ends of the upper end of the driving assembly (37); The pushing assembly (38) includes a limiting chute (381), a buffer spring (382), a push plate (383), a first ball head rod (384) and a second ball head rod (385). The upper end face of the lifting plate (377) is symmetrically provided with a limiting chute (381) in the front and rear directions. The push plate (383) is slidably installed in the limiting chute (381) through the buffer spring (382). The side wall opposite to the push plate (383) is evenly installed with the first ball head rod (384) from left to right. The side wall opposite to the guard plate (21) is evenly installed with the second ball head rod (385) near the upper end from left to right. The second ball head rod (385) is located above the first ball head rod (384) and the ends of the first ball head rod (384) and the second ball head rod (385) are in contact with each other.

2. The braking reinforcement structure of a mine aggregate conveying system according to claim 1, characterized in that: The belt conveyor (2) comprises a mounting shaft (22), a conveying roller (23), an endless belt (24) and a transverse spacer (25). The side walls of the guard plate (21) are rotatably provided with mounting shafts (22) near the two ends. Each mounting shaft (22) is symmetrically provided with a conveying roller (23). An annular belt (24) is provided on the conveying roller (23). The outer side of the annular belt (24) is evenly provided with transverse spacers (25) along the circumferential direction thereof.

3. The braking reinforcement structure of a mine aggregate conveying system according to claim 1, characterized in that: The driving assembly (37) includes a support plate (371), a lining plate (372), a bidirectional motor (373), a threaded rod (374), a rectangular block (375), a driving rod (376), a lifting plate (377) and a supporting spring (378). A rectangular groove is provided at a position near the lower end of the side walls opposite to the front and rear guard plates (21), and a lifting plate (377) is slidably installed in the rectangular groove through a supporting spring (378). The lower end of the rectangular groove is fixedly connected to a supporting plate (371), and a lining plate (372) is symmetrically provided on the upper end of the supporting plate (371). A threaded rod (374) is rotatably installed on the lining plate (372). The front end of the threaded rod (374) extends to the front of the lining plate (372) on the front side and is connected to a bidirectional motor (373) through a coupling. A rectangular block (375) is screwed on the threaded rod (374), and a driving rod (376) is hinged on the upper end of the rectangular block (375). The upper end of the driving rod (376) is hinged on the lower end of the lifting plate (377).

4. The braking reinforcement structure of a mine aggregate conveying system according to claim 1, characterized in that: The invention also includes an anti-falling rock device (4), which is fixedly arranged on the upper end of the guard plate (21). The anti-falling rock device (4) includes a rotating assembly (41), a paddle assembly (42) and an anti-falling rock assembly (43), wherein the paddle assembly (42) is arranged at a position near the upper end of the side wall opposite to the guard plate (21), the lower end of the paddle assembly (42) extends to the bottom of the guard plate (21) and is connected to the rotating assembly (41), the upper end of the rotating assembly (41) is fixedly mounted on the side wall of the guard plate (21), and the anti-falling rock assembly (43) is fixedly connected to the upper end of the guard plate (21) and located above the paddle assembly (42).

5. The braking reinforcement structure of a mine aggregate conveying system according to claim 4, characterized in that: The rotating assembly (41) comprises a rotating motor (411), a first pulley (412), a rotating belt (413) and a second pulley (414), wherein the rotating motor (411) is fixedly mounted on the side walls on both sides of the front and rear of the guard plate (21) through a motor base, the first pulley (412) is provided on the output shaft of the rotating motor (411) through a key connection, the second pulley (414) is fixedly mounted on the lower end of the shift plate assembly (42), and the second pulley (414) is connected to the first pulley (412) through the rotating belt (413).

6. The braking reinforcement structure of a mine aggregate conveying system according to claim 4, characterized in that: The shift plate assembly (42) comprises a shift groove (421), a transmission rod (422) and a shift plate (423), wherein the side walls opposite to the guard plate (21) are evenly provided with shift grooves (421) near the upper end from left to right, a transmission rod (422) is rotatably installed in the shift groove (421), the transmission rod (422) extends to the bottom of the guard plate (21) and is fixedly connected to the second pulley (414), and the shift plate (423) is fixedly installed on the transmission rod (422) in the shift groove (421).

7. The braking reinforcement structure of a mine aggregate conveying system according to claim 4, characterized in that: The rockfall prevention assembly (43) comprises an L-shaped frame (431), a rectangular mounting groove (432), a transition gear (433), an L-shaped plate (434), a rack segment (435), a return spring (436) and a trapezoidal plate (437). At the upper end of the guard plate (21) and above the shifting block (423), a U-shaped frame (431) is fixedly connected. The U-shaped frame (431) has an opening facing downwards, and rectangular mounting grooves (432) are symmetrically arranged in the front and back on the U-shaped frame (431). A transition gear (433) is rotatably mounted in the middle of the rectangular mounting groove (432) through a gear shaft. L-shaped plates (434) are symmetrically arranged on the front and back sides of the transition gear (433). Rack segments (435) are provided on the opposite side walls of the L-shaped plates (434), and the rack segments (435) mesh with the teeth of the transition gear (433). A return spring (436) is fixedly installed between the end of the L-shaped plate (434) far from the transition gear (433) and the U-shaped frame (431). The lower ends of the two upper L-shaped plates (434) are fixedly connected to a trapezoidal plate (437).

8. The braking reinforcement structure of a mine aggregate conveying system according to claim 7, characterized in that: In the middle of the lower end face of the lower L-shaped plate (434), a spherical protrusion (4341) is fixedly provided.

Images