Hydraulic safety coal collecting device

Abstract

The utility model relates to the technical field of coal collecting devices, in particular to a hydraulic safety coal collecting device. According to the technical scheme, the device comprises a self-moving machine tail, a hydraulic box, a guide rail, a telescopic rod and a hydraulic cylinder, a rotationally-installed carrier roller is arranged on one side of the upper portion of the self-moving machine tail, the outer wall of the carrier roller is rotationally sleeved with a conveying belt, a stroke groove is formed in the guide rail, a fixing rod is arranged in the guide rail, and a stroke block is arranged at one end of the fixing rod; a first rotating seat is arranged at the lower end of the fixing rod, a first rotating shaft is installed in the first rotating seat, a second rotating seat is arranged at the upper end of the self-moving machine tail, a second rotating shaft is arranged at the lower end of the hydraulic cylinder, a supporting arm is arranged at the upper end of the fixing rod, and a second coal collecting plate is arranged at the upper end of the supporting arm. According to the utility model, the structures are matched. The oil cylinder is matched with the second coal collecting plate and the first coal collecting plate to form the coal collecting device, the coal collecting device is arranged at the tail of the self-moving machine of the belt, coal is effectively received, and safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of coal receiving device technology, and in particular to a hydraulic safety coal receiving device. Background Technology

[0002] In fully mechanized mining faces, raw coal is typically unloaded from a scraper conveyor onto a bridge transfer conveyor, and then transferred to a belt conveyor (self-propelled conveyor). A coal collection device is usually installed at the junction of the transfer conveyor and the belt conveyor to prevent coal leakage. Currently, most transfer conveyor coal collection devices are fixed. During coal mining, the self-propelled conveyor has a limited range of movement. If coal spillage or leakage occurs, workers must collect the spilled coal at the point of leakage. Carelessness in this area can easily lead to safety accidents. Failure to collect coal not only wastes resources but also, as the amount of spilled or leaked coal increases, impacts the mining process and reduces mining efficiency.

[0003] Typically, the coal receiving device of a fully mechanized longwall face transfer machine consists of a fixed connecting seat, an upper unloading plate, a lower receiving plate, and a coal retaining plate. In some mining areas, the transfer machine head and the belt conveyor have a small range of motion. During the coal mining process, a large amount of coal chunks and gangue cause significant impact on the tail of the belt conveyor, and the flying coal chunks also threaten the personal safety of the workers to a certain extent. Therefore, we propose a hydraulic safety coal receiving device to solve the existing problems. Utility Model Content

[0004] The purpose of this invention is to address the problems existing in the background technology by proposing a hydraulic safety coal receiving device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic safety coal receiving device, comprising a self-propelled machine tail, a hydraulic tank, a guide rail, a telescopic rod, and a hydraulic cylinder. A rotatably mounted idler roller is provided on one side of the upper part of the self-propelled machine tail. A conveyor belt is rotatably sleeved on the outer wall of the idler roller. A guide rail is provided on one side of the upper end of the self-propelled machine tail, sleeved between the conveyor belt and the idler roller. A stroke groove is formed inside the guide rail. A fixed rod is provided inside the guide rail. A stroke block is slidably mounted inside the stroke groove at one end of the fixed rod. A symmetrically distributed rotating seat is provided at the lower end of the fixed rod. A rotating shaft connected to the telescopic rod is rotatably mounted inside the rotating seat. The telescopic rod is slidably mounted to the telescopic rod via a piston. A symmetrically distributed rotating seat is provided at the upper end of the self-propelled machine tail. A rotating shaft is rotatably mounted inside the rotating seat on both the front and rear sides of the lower end of the hydraulic cylinder. A support arm is provided at the upper end of the fixed rod. A coal receiving plate is provided at the upper end of the support arm.

[0006] Preferably, the coal receiving plate is provided with symmetrically distributed baffles at both its front and rear ends. The gangue and coal received by the coal receiving plate are limited by the baffles to prevent them from spilling into the outside.

[0007] Preferably, a mounting shaft is rotatably installed inside the second baffle, and a coal receiving plate is provided at the upper end of the mounting shaft. A motor with an output end connected to the mounting shaft is provided at the front end of the first coal receiving plate. The first coal receiving plate receives the coal raw materials transferred by the transfer machine, and the first coal receiving plate is driven by the motor to rotate the mounting shaft, and its angle can be adjusted to adapt to the tail of the transfer machine of different heights.

[0008] Preferably, baffles are provided on both the front and rear sides of the upper end of the coal receiving plate. The baffles intercept the coal received by the coal receiving plate from the front and rear sides to prevent the coal or coal-containing ore from spilling to the outside.

[0009] Preferably, a stop is provided at one end of the guide rail. The stop intercepts the fixed rod, preventing the fixed rod from moving out of the guide rail.

[0010] Preferably, a hydraulic tank is installed at the upper end of the tail of the self-propelled machine. The hydraulic tank contains hydraulic oil, and two sets of regulating pumps are connected to the front end of the hydraulic tank. The regulating pumps draw hydraulic oil from the hydraulic tank to regulate the pressure at both ends of the piston inside the hydraulic cylinder.

[0011] Preferably, the two sets of regulating pumps are connected to the upper and lower ends of the hydraulic cylinder respectively through hydraulic pipelines.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model utilizes the limited space at the tail of the self-propelled conveyor. It employs a hydraulic cylinder in conjunction with two coal receiving plates to form a coal receiving device, which is installed at the tail of the conveyor belt. The extension and retraction of the hydraulic cylinder are controlled by a hydraulic pipe and a valve group. The cylinder can extend to catch floating coal and retract. The operation is simple, reducing the labor intensity of the caretaker. The operator can control the height and angle of the coal receiving device by operating the lever to meet the coal output requirements under different changing conditions, effectively reducing the accident rate and having extremely high economic benefits. Attached Figure Description

[0014] Figure 1 This is a side view of the three-dimensional structure of the present invention;

[0015] Figure 2 This is a front-view three-dimensional structural diagram of the present invention;

[0016] Figure 3 This is a top-view three-dimensional structural diagram of coal receiving plate one and coal receiving plate two of this utility model;

[0017] Figure 4 This is a top-view three-dimensional structural diagram of the hydraulic cylinder of this utility model;

[0018] Figure 5 This is a top-view three-dimensional structural diagram of the guide rail of this utility model.

[0019] Reference numerals in the attached diagram: 1. Tail end of self-propelled machine; 2. Idler roller; 3. Conveyor belt; 4. Hydraulic tank; 5. Guide rail; 6. Stroke groove; 7. Support arm; 8. Fixed rod; 9. Stroke block; 10. Shaft 1; 11. Rotating seat 1; 12. Telescopic rod; 13. Adjusting pump; 14. Hydraulic cylinder; 15. Shaft 2; 16. Rotating seat 2; 17. Stop block; 18. Coal receiving plate 1; 19. Coal receiving plate 2; 20. Baffle 1; 21. Baffle 2; 22. Motor; 23. Mounting shaft. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1-5 As shown, this utility model proposes a hydraulic safety coal receiving device, which includes a self-propelled machine tail 1, a hydraulic tank 4, a guide rail 5, a telescopic rod 12, and a hydraulic cylinder 14. A rotatably mounted idler roller 2 is provided on one side of the upper part of the self-propelled machine tail 1. A conveyor belt 3 is rotatably sleeved on the outer wall of the idler roller 2. A guide rail 5 is provided on one side of the upper end of the self-propelled machine tail 1, sleeved between the conveyor belt 3 and one side of the idler roller 2. A stroke groove 6 is provided inside the guide rail 5, and a fixing rod 8 is provided inside the guide rail 5. A sliding joint is provided at one end of the fixing rod 8. The stroke block 9 is installed inside the stroke groove 6. The lower end of the fixed rod 8 is provided with symmetrically distributed rotating seats 11. The rotating seat 11 is rotatably installed with a rotating shaft 10 connected to the telescopic rod 12. The telescopic rod 12 is slidably installed with the telescopic rod 12 through a piston. The upper end of the self-moving machine tail 1 is provided with symmetrically distributed rotating seats 26. The lower end of the hydraulic cylinder 14 is provided with rotating shafts 25 rotatably installed inside the rotating seat 26 on both the front and rear sides. The upper end of the fixed rod 8 is provided with a support arm 7. The upper end of the support arm 7 is provided with a coal receiving plate 29.

[0022] The coal receiving plate 21 is equipped with symmetrically distributed baffles 21 at both the front and rear ends;

[0023] The baffle 21 has a rotating mounting shaft 23 inside, and a coal receiving plate 18 is provided at the upper end of the mounting shaft 23. The front end of the coal receiving plate 18 is provided with a motor 22 whose output end is connected to the mounting shaft 23.

[0024] Baffles 20 are installed on both the front and rear sides of the upper end of the coal receiving plate 18.

[0025] A stop 17 is provided at one end of the guide rail 5;

[0026] A hydraulic tank 4 is installed at the upper end of the tail section 1 of the self-moving machine. The hydraulic tank 4 is filled with hydraulic oil, and two sets of regulating pumps 13 are connected to the front end of the hydraulic tank 4.

[0027] The two sets of regulating pumps 13 are connected to the upper and lower ends of the hydraulic cylinder 14 respectively through hydraulic pipelines;

[0028] Based on the implementation steps of Embodiment 1: It is worth noting that a hydraulic pipe is also provided between the hydraulic cylinder 14 and the hydraulic tank 4, and a hydraulic oil valve is installed inside. When it is turned on, the regulating pump 13 delivers or draws hydraulic oil to both ends of the piston, adjusting the pressure at both ends of the piston, thereby driving the telescopic rod 12 to move. At the same time, because the hydraulic cylinder 14 is rotatably mounted to the rotating seat 16 via the rotating shaft 15, the lower end of the hydraulic cylinder 14 is rotatably supported, providing adjustment for the lifting of the hydraulic cylinder 14. The telescopic rod 12 is rotatably mounted inside the rotating seat 11 via the rotating shaft 10, providing conditions for the stroke block 9 to travel within the stroke groove 6, extending the arc of the stroke groove 6. When the telescopic rod 12 extends or retracts, it... The stroke block 9 drives the fixed rod 8 to move, which in turn drives the support arm 7 to move. After being raised to the designated position, the upper and lower ends of the coal receiving plate 19 correspond to the tail of the conveyor belt 3. The motor 22 drives the mounting shaft 23 to rotate, which in turn drives the coal receiving plate 18 to rotate. When the high end of the coal receiving plate 18 is located below the tail of the transfer machine, it receives the coal conveyed by the transfer machine. The coal is smoothly guided onto the conveyor belt 3 through the coal receiving plate 18 and the coal receiving plate 29. The self-moving machine effectively conveys the coal. In the limited space of the tail of the self-moving machine 1, the coal receiving structure driven by the hydraulic cylinder 14 avoids the problem of large impact and safety hazards on the conveyor belt 3 caused by the transfer of coal and gangue.

[0029] It is worth noting that conducting on-site inspections of the fully mechanized mining face and performing on-site measurements of equipment such as the coal mining machine and the self-propelled conveyor can provide basic parameters for the size of the coal receiving device, thereby avoiding problems such as the size being too large and unable to be installed, or the size being too small and resulting in poor coal receiving effect. Relevant parameters within the roadway can be compared with the drawings and the site conditions, and the drawings can be updated in real time to prevent safety issues during equipment use. By designing a hydraulic coal receiving system for the self-propelled conveyor, a coal receiving device is assembled using hydraulic cylinders and coal receiving plates and placed at the tail of the self-propelled conveyor on the belt conveyor. The hydraulic system, in conjunction with coal receiving plates 18 and 19, forms the coal receiving device, effectively reducing the labor intensity of the watchmen and shortening maintenance and repair time. In the hydraulic coal receiving process of the self-propelled conveyor, if the unloading height below the transfer machine head frame is less than approximately 520mm, the extension rod 12 of the hydraulic cylinder 14 can be controlled using hydraulic pipes and valve groups to extend and catch floating coal, and then retract to reduce the space occupied.

[0030] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A hydraulic safety coal collecting device comprising a self-moving machine tail (1), a hydraulic tank (4), a guide rail (5), an extension rod (12) and a hydraulic cylinder (14), characterized in that: The tail of the self-moving machine (1) is provided with a rotatingly installed supporting roller (2) on one side, the outer wall of the supporting roller (2) is rotatably sleeved with a conveying belt (3), the tail of the self-moving machine (1) is provided with a guide rail (5) sleeved on one side of the conveying belt (3) and the supporting roller (2), the guide rail (5) is internally provided with a stroke groove (6), the guide rail (5) is internally provided with a fixed rod (8), one end of the fixed rod (8) is provided with a stroke block (9) slidably installed in the stroke groove (6), the lower end of the fixed rod (8) is provided with symmetrically distributed rotating seats (11), the rotating seat (11) is internally rotatably installed with a rotating shaft (10) connected with an extension rod (12), the extension rod (12) is slidably installed with the extension rod (12) through a piston, the upper end of the tail of the self-moving machine (1) is provided with symmetrically distributed rotating seats (16), the lower end of the hydraulic cylinder (14) is provided with rotating shafts (15) rotatably installed in the rotating seats (16) on the front and rear sides, the upper end of the fixed rod (8) is provided with a supporting arm (7), and the upper end of the supporting arm (7) is provided with a second coal collecting plate (19).

2. A hydraulic safety coal collecting device according to claim 1, characterized in that: The two ends of the second coal collecting plate (19) are provided with symmetrically distributed baffle plates (21).

3. A hydraulic safety coal collector according to claim 2, characterized in that: The baffle plate (21) is internally rotatably installed with a mounting shaft (23), the upper end of the mounting shaft (23) is provided with a first coal collecting plate (18), and the front end of the first coal collecting plate (18) is provided with a motor (22) connected with the mounting shaft (23).

4. A hydraulic safety coal collector according to claim 3, characterized in that: The upper end of the first coal collecting plate (18) is provided with a baffle plate (20) on the front and rear sides.

5. A hydraulic safety coal collector according to claim 1, characterized in that: One end of the guide rail (5) is provided with a stop block (17).

6. A hydraulic safety coal collection device according to claim 1, characterized in that: The upper end of the tail of the self-moving machine (1) is provided with a hydraulic tank (4), the hydraulic tank (4) is internally provided with hydraulic oil, and two groups of adjusting pumps (13) are installed in communication at the front end of the hydraulic tank (4).

7. A hydraulic safety coal collector according to claim 6, characterized in that: Two groups of the adjusting pumps (13) are respectively communicated with the upper and lower ends of the hydraulic cylinder (14) through hydraulic pipelines.

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