Coal mining and conveying device

Abstract

The invention belongs to the technical field of conveying equipment, and particularly relates to a coal mining conveying device. Comprising a conveying belt, extension rods are symmetrically and fixedly connected to the two sides of the discharging end of the conveying belt, and an arc-shaped guide plate is connected between the two extension rods through a reciprocating adjusting mechanism; reciprocating motion and rotary adjustment of the arc-shaped guide plate can be realized through the reciprocating adjustment mechanism; the arc-shaped guide plate is a groove body with one side being an arc face, the other side, away from the arc face, of the arc-shaped guide plate is of an opening structure, when the arc-shaped guide plate is close to the discharging end of the conveying belt, the opening side of the arc-shaped guide plate inclines downwards, and the opening side of the arc-shaped guide plate gradually rotates upwards under the action of the reciprocating adjusting mechanism along with the fact that the arc-shaped guide plate is away from the conveying belt. According to the invention, the space utilization rate of the coal piling yard is obviously improved, so that the coal piling yard with the same area can store more coal; the problem that the space utilization rate of a coal yard is low is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of conveying equipment, and in particular relates to a coal mining and conveying device. Background Art

[0002] In the existing coal mining industry, coal transportation is a vital link. Traditional coal mining uses conveying devices, such as conveyor belts or mine cars, which are mainly responsible for transporting the mined coal from the mine to the coal yard. However, these traditional conveying devices often have some problems when transporting coal to the coal yard, especially in terms of coal accumulation and stacking.

[0003] Specifically, when coal is transported to the coal yard through the conveyor, due to the weight of the coal itself and the impact during transportation, the coal tends to pile up into piles on the coal yard. These piles are not only irregular in shape, affecting the appearance of the coal yard, but more importantly, they reduce the space utilization rate of the coal yard. Due to the gaps between the piles, the actual storage capacity of the coal yard is not fully utilized, which increases the cost of coal storage.

[0004] Therefore, it is necessary to provide a new coal mining and conveying device to solve the above technical problems. Summary of the invention

[0005] The present invention overcomes the shortcomings of the prior art and proposes a coal mining and conveying device; the present invention is achieved through the following technical solutions: A coal mining and conveying device comprises a conveyor belt, wherein two sides of the unloading end of the conveyor belt are symmetrically and fixedly connected with extension rods, and an arc-shaped guide plate is connected between the two extension rods through a reciprocating adjustment mechanism; The reciprocating adjustment mechanism includes a slide groove, a U-shaped bracket, a reciprocating screw, a worm wheel, a worm, a driven bevel gear, an active bevel gear, a connecting shaft, a friction roller, a friction plate, a fan-shaped bevel gear and a transmission bevel gear; a slide groove is provided at the top of each of the two extension rods, and a U-shaped bracket is slidably connected to the slide groove of the two extension rods, and a reciprocating screw is rotatably connected to the inner wall of one of the slide grooves, and the U-shaped bracket is installed in cooperation with the reciprocating screw, and both sides of the arc guide plate are rotatably connected to the U-shaped bracket, and a worm wheel is fixedly connected to one side of the arc guide plate, and a worm is rotatably connected to the inside of the end of the U-shaped bracket close to the reciprocating screw, and the worm wheel and the worm worm are rotatably connected. The U-shaped bracket is connected with the driven bevel gear in a fixed manner at one end of the worm, and the driving bevel gear is connected to the driven bevel gear in a rotating manner inside the U-shaped bracket. The driving bevel gear is meshed with the driven bevel gear. The axis of the driving bevel gear is fixedly connected with a connecting shaft, and one end of the connecting shaft extends out of the U-shaped bracket and is fixedly connected with a friction roller. The inner wall of the slideway is fixedly connected with friction plates at equal intervals, and the friction roller is intermittently frictionally connected with the friction plate. A fan-shaped bevel gear is arranged on one side of the unloading end of the conveyor belt, and the fan-shaped bevel gear is fixedly connected to the conveying roller of the conveyor belt. One end of the reciprocating screw is fixedly connected with a transmission bevel gear, and the fan-shaped bevel gear is intermittently meshed with the transmission bevel gear. The arc guide plate is a trough body with an arc surface on one side, and the other side of the arc guide plate away from the arc surface is an open structure. When the arc guide plate is close to the unloading end of the conveyor belt, the open side of the arc guide plate tilts downward under the action of the reciprocating adjustment mechanism. As the arc guide plate moves away from the conveyor belt, the open side of the arc guide plate gradually rotates upward under the action of the reciprocating adjustment mechanism.

[0006] Furthermore, it also includes a crawler vehicle; a bracket is connected to the top surface of the crawler vehicle in a transverse sliding manner, the bracket is connected to a reciprocating drive motor, and a conveyor belt is installed on the top of the bracket.

[0007] Furthermore, a crossbeam is provided at the bottom ends of the two extension rods, both ends of the crossbeam are rotatably connected to a shift rod, and a torsion spring is installed at the connection between the crossbeam and the shift rod.

[0008] Furthermore, the top of the beam is fixedly connected to a limit rod, the two limit rods are slidably connected to the extension rod, one side of the extension rod is fixedly connected to an electric push rod, and the output end of the electric push rod is fixedly connected to one side of the beam.

[0009] Furthermore, arc-shaped slopes are provided on the inner sides of the cross beam and the lever.

[0010] Furthermore, the interior of the arc-shaped guide plate is coated with a wear-resistant coating.

[0011] The beneficial effects of the present invention compared with the prior art are as follows: 1. Improve space utilization: Through the reciprocating movement and angle change of the arc-shaped guide plate and the toggle action of the lever, the coal is evenly distributed on the coal yard, avoiding the phenomenon of coal piling up into bundles in the traditional way. This not only makes the coal yard look neater and more beautiful, but more importantly, it significantly improves the space utilization of the coal yard, allowing the same area of ​​coal yard to store more coal and reduce storage costs.

[0012] 2. Enhanced transportation efficiency: This device enables coal to be transported from the mine to the coal yard continuously and stably, reducing interruptions and delays during transportation. At the same time, since the distribution of coal on the coal yard is more uniform, subsequent processing equipment such as loaders and excavators can operate more smoothly, reducing waiting time and operating difficulty, thereby improving overall transportation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the structure of the coal mining and conveying device provided by the present invention; Figure 2 It is a structural schematic diagram of the chute of the present invention; Figure 3 It is a partial structural schematic diagram of the reciprocating adjustment mechanism of the present invention; Figure 4 It is a structural schematic diagram of a partial cross-section of the U-shaped bracket of the present invention.

[0014] Numbers in the figure: 1. Crawler vehicle; 2. Bracket; 3. Conveyor belt; 4. Extension rod; 5. Arc guide plate; 6. Crossbeam; 7. Push rod; 8. Reciprocating adjustment mechanism; 9. Electric push rod; 10. Limit rod; 81. Slide groove; 82. U-shaped bracket; 83. Reciprocating screw; 84. Worm gear; 85. Worm; 86. Driven bevel gear; 87. Driving bevel gear; 88. Connecting shaft; 89. Friction roller; 810. Friction plate; 811. Fan-shaped bevel gear; 812. Transmission bevel gear. DETAILED DESCRIPTION

[0015] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention is further described in detail in conjunction with the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. The technical solutions of the present invention are described in detail below in conjunction with the embodiments and the accompanying drawings, but the scope of protection is not limited thereto.

[0016] See also Figures 1 to 4The present embodiment proposes a coal mining and conveying device, which includes: a crawler vehicle 1, an extension rod 4, a crossbeam 6 and a reciprocating adjustment mechanism 8; a bracket 2 is connected to the top surface of the crawler vehicle 1 in a transverse sliding manner, and the bracket 2 is connected to a reciprocating drive motor. Driven by the reciprocating drive motor, the bracket 2 can reciprocate laterally along the top surface of the crawler vehicle 1. A conveyor belt 3 for conveying coal is installed on the top of the bracket 2; extension rods 4 are symmetrically fixedly connected to both sides of the unloading end of the conveyor belt 3, and a reciprocating arc-shaped guide plate 5 is installed between the two extension rods 4. The bottom ends of the two extension rods 4 are provided with a crossbeam 6, and both ends of the crossbeam 6 are rotatably connected to a lever 7. A reciprocating adjustment mechanism 8 is installed between the arc-shaped guide plate 5 and the two extension rods 4. The reciprocating adjustment mechanism 8 drives the arc-shaped guide plate 5 to reciprocate and change its angle at the same time; the arc-shaped guide plate 5 is a trough body with an arc surface on one side, and the arc-shaped guide plate 5 is away from the arc surface on the other side. One side is an open structure. When the arc guide plate 5 is close to the unloading end of the conveyor belt 3, the opening of the arc guide plate 5 is tilted downward under the action of the reciprocating adjustment mechanism 8, which can cooperate with the high point of the parabola formed during unloading, so that the coal hits the arc surface of the arc guide plate 5 and falls along the arc surface, playing a guiding role; as the arc guide plate 5 moves away from the conveyor belt 3, the open side of the arc guide plate 5 gradually rotates upward under the action of the reciprocating adjustment mechanism 8, and at this time it can cooperate with the low point of the parabola formed during unloading, so that the coal can also be guided under the action of the arc guide plate 5.

[0017] One side of the extension rod 4 is fixedly connected with an electric push rod 9, and the output end of the electric push rod 9 is fixedly connected with one side of the cross beam 6. The height of the cross beam 6 can be adjusted by the electric push rod 9; a torsion spring is installed at the connection between the cross beam 6 and the lever 7. The top of the cross beam 6 is fixedly connected with a limit rod 10, and the two limit rods 10 are slidably connected with the extension rod 4. The inner sides of the cross beam 6 and the lever 7 are both provided with arc-shaped slopes, the inner side of the arc-shaped guide plate 5 is coated with a wear-resistant coating, and the lever 7 is lightweight in design.

[0018] It should be noted that a lever 7 is rotatably connected to the crossbeam 6 at the bottom of the extension rod 4. When the arc guide plate 5 guides the coal to different positions, as the conveyor belt 3 continues to translate, the lever 7 will gently move on the coal pile, so that the coal is more evenly distributed on the coal pile.

[0019] See also Figure 2-4The reciprocating adjustment mechanism 8 includes: a slide groove 81, a U-shaped bracket 82, a reciprocating screw 83, a worm wheel 84, a worm 85, a driven bevel gear 86, a driving bevel gear 87, a connecting shaft 88, a friction roller 89, a friction plate 810, a fan-shaped bevel gear 811 and a transmission bevel gear 812. The tops of the two extension rods 4 are provided with a slide groove 81, and the slide grooves 81 of the two extension rods 4 are slidably connected with the same U-shaped bracket 82, the inner wall of one of the slide grooves 81 is rotatably connected with the reciprocating screw 83, the U-shaped bracket 82 is installed in coordination with the reciprocating screw 83, the two sides of the arc guide plate 5 are rotatably connected with the U-shaped bracket 82, one side of the arc guide plate 5 is fixedly connected with a worm wheel 84, the end of the U-shaped bracket 82 close to the reciprocating screw 83 is rotatably connected with a worm 85, the worm wheel 84 is threadedly connected with the worm 85, one end of the worm 85 is fixedly connected with a driven bevel gear 86, and the U-shaped bracket 82 is rotatably connected with the driving bevel gear Wheel 87, the active bevel gear 87 is meshed with the driven bevel gear 86, a connecting shaft 88 is fixedly connected to the axis of the active bevel gear 87, one end of the connecting shaft 88 extends out of the U-shaped bracket 82 and is fixedly connected to the friction roller 89, the inner wall of the slide groove 81 is equidistantly fixedly connected with friction plates 810, the friction roller 89 is intermittently frictionally connected with the friction plate 810, a fan-shaped bevel gear 811 is provided on one side of the unloading end of the conveyor belt 3, the fan-shaped bevel gear 811 is fixedly connected to the conveying roller of the conveyor belt 3, one end of the reciprocating screw rod 83 is fixedly connected to the transmission bevel gear 812, and the fan-shaped bevel gear 811 is intermittently meshed with the transmission bevel gear 812.

[0020] The working principle of the coal mining and conveying device provided by the present invention is as follows: A. Basic transportation: The device uses the crawler vehicle 1 as a mobile platform, and can move flexibly on different terrains to adapt to the environment of the coal mining site.

[0021] The bracket 2 is laterally slidably connected to the crawler vehicle 1 to ensure that the conveyor belt 3 can be stably installed and adjusted in position.

[0022] The conveyor belt 3 is responsible for transporting the mined coal from the mine to the coal yard, realizing continuous coal transportation.

[0023] B. Reciprocating movement and angle change of the arc guide plate 5: One end of the conveyor belt 3 away from the crawler vehicle 1 is supported by an extension rod 4 and is provided with an arc-shaped guide plate 5 .

[0024] The reciprocating adjustment mechanism 8 is composed of multiple components, including a slide slot 81, a U-shaped bracket 82, a reciprocating screw rod 83, etc., which together drive the arc-shaped guide plate 5 to reciprocate and change the angle: When the coal on the conveyor belt 3 is transported to the end, the fan bevel gear 811 and the transmission bevel gear 812 are intermittently meshed, driving the reciprocating screw 83 to rotate, and then driving the U-shaped bracket 82 to slide in the slide groove 81. Since the two sides of the arc guide plate 5 are rotatably connected to the U-shaped bracket 82, the arc guide plate 5 can achieve reciprocating movement following the movement of the U-shaped bracket 82.

[0025] At the same time, the friction roller 89 is intermittently frictionally connected to the friction plate 810, so that when the bracket 82 moves, it drives the friction roller 89 to rotate, the friction roller 89 drives the active bevel gear 87 to rotate, the active bevel gear 87 drives the worm 85 to rotate, and the worm 85 drives the worm wheel 84 to rotate, so that the angle of the arc guide plate 5 changes during the movement, so that the arc guide plate 5 can rotate around the hinge point with the U-shaped bracket 82, thereby changing the landing point of the coal.

[0026] C. The function of lever 7: A lever 7 is rotatably connected to the crossbeam 6 at the bottom of the extension rod 4. When the arc-shaped guide plate 5 guides the coal to different positions, as the conveyor belt 3 continues to translate, the lever 7 will gently move on the coal pile, so that the coal is more evenly distributed on the coal pile.

[0027] The electric push rod 9 can adjust the positions of the cross beam 6 and the lever 7 as required to adapt to coal piles of different heights.

[0028] The torsion spring ensures that the lever 7 can be quickly reset after being moved, ready for the next movement.

[0029] D. Uniform distribution of coal: With the reciprocating movement and angle change of the arc-shaped guide plate 5 and the pushing action of the push rod 7, the coal is scattered on the coal yard, thus avoiding the pile phenomenon formed by the traditional conveying device.

[0030] The end of the arc guide plate 5 away from the arc surface is an open structure, which can effectively receive the coal and guide it to change direction; as the arc guide plate 5 moves away from the conveyor belt 3, its opening gradually rotates upward, so that the coal can be more evenly distributed in a wider area.

[0031] F. Wear-resistant and lightweight design: The interior of the arc-shaped guide plate 5 is coated with a wear-resistant coating, which prolongs the service life and reduces the maintenance cost.

[0032] The lever 7 adopts a lightweight design, which reduces energy consumption and improves operational flexibility.

[0033] In summary, the coal mining and conveying device realizes uniform distribution of coal on the coal yard through the reciprocating movement and angle change of the arc-shaped guide plate 5 and the shifting action of the shifting rod 7, thereby improving space utilization and conveying efficiency.

[0034] The above content is a further detailed description of the present invention in combination with a specific preferred embodiment. It cannot be determined that the specific embodiments of the present invention are limited to this. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the present invention, which should be regarded as belonging to the present invention and the scope of patent protection determined by the submitted claims.

Claims

1. A coal mining and conveying device, comprising a conveyor belt (3), characterized in that: Extension rods (4) are symmetrically and fixedly connected to both sides of the unloading end of the conveyor belt (3), and an arc-shaped guide plate (5) is connected between the two extension rods (4) via a reciprocating adjustment mechanism (8); The reciprocating adjustment mechanism (8) comprises a slide groove (81), a U-shaped bracket (82), a reciprocating screw (83), a worm wheel (84), a worm (85), a driven bevel gear (86), a driving bevel gear (87), a connecting shaft (88), a friction roller (89), a friction plate (810), a fan-shaped bevel gear (811) and a transmission bevel gear (812); the top ends of the two extension rods (4) are provided with a slide groove (81), the slide grooves (81) of the two extension rods (4) are slidably connected to the same U-shaped bracket (82), the inner wall of one of the slide grooves (81) is rotatably connected to the reciprocating screw (83), the U-shaped bracket (82) is mounted in cooperation with the reciprocating screw (83), both sides of the arc guide plate (5) are rotatably connected to the U-shaped bracket (82), one side of the arc guide plate (5) is fixedly connected to the worm wheel (84), the end of the U-shaped bracket (82) close to the reciprocating screw (83) is rotatably connected to the worm (85), and the worm (85) is rotatably connected to the inside of the worm wheel. The wheel (84) is threadedly connected to the worm (85), one end of the worm (85) is fixedly connected to a driven bevel gear (86), the U-shaped bracket (82) is internally rotatably connected to a driving bevel gear (87), the driving bevel gear (87) is meshingly connected to the driven bevel gear (86), a connecting shaft (88) is fixedly connected to the axis of the driving bevel gear (87), one end of the connecting shaft (88) extends out of the U-shaped bracket (82) and is fixedly connected to a friction roller (89), a friction plate (810) is fixedly connected to the inner wall of the slide groove (81) at equal intervals, the friction roller (89) is intermittently frictionally connected to the friction plate (810), a fan-shaped bevel gear (811) is provided on one side of the unloading end of the conveyor belt (3), the fan-shaped bevel gear (811) is fixedly connected to a conveying roller of the conveyor belt (3), one end of the reciprocating screw (83) is fixedly connected to a transmission bevel gear (812), and the fan-shaped bevel gear (811) is intermittently meshingly connected to the transmission bevel gear (812); The arc-shaped guide plate (5) is a trough body with an arc surface on one side, and the other side of the arc-shaped guide plate (5) away from the arc surface is an open structure. When the arc-shaped guide plate (5) is close to the unloading end of the conveyor belt (3), the arc-shaped guide plate (5) tilts downward on the open side under the action of the reciprocating adjustment mechanism (8). As the arc-shaped guide plate (5) moves away from the conveyor belt (3), the arc-shaped guide plate (5) gradually rotates upward on the open side under the action of the reciprocating adjustment mechanism (8).

2. A coal mining and conveying device according to claim 1, characterized in that: It also includes a crawler vehicle (1); a bracket (2) is connected to the top surface of the crawler vehicle (1) in a transverse sliding manner, the bracket (2) is connected to a reciprocating drive motor, and a conveyor belt (3) is installed on the top of the bracket (2).

3. A coal mining and conveying device according to claim 2, characterized in that: The bottom ends of the two extension rods (4) are each provided with a crossbeam (6), both ends of the crossbeam (6) are rotatably connected to a lever (7), and a torsion spring is installed at the connection between the crossbeam (6) and the lever (7).

4. A coal mining and conveying device according to claim 3, characterized in that: The top end of the crossbeam (6) is fixedly connected to a limit rod (10), the two limit rods (10) are slidably connected to the extension rod (4), one side of the extension rod (4) is fixedly connected to an electric push rod (9), and the output end of the electric push rod (9) is fixedly connected to one side of the crossbeam (6).

5. A coal mining and conveying device according to claim 3, characterized in that: The inner sides of the cross beam (6) and the lever (7) are both provided with arc-shaped slopes.

6. A coal mining and conveying device according to claim 1, characterized in that: The interior of the arc-shaped guide plate (5) is coated with a wear-resistant coating.

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