Coal bunker blockage clearing device

Abstract

The utility model belongs to the field of coal bunker blockage clearing devices, and specifically relates to a coal bunker blockage clearing device, including a blockage clearing box, a conveyor belt is arranged on the top of the blockage clearing box, a slanted plate is fixedly connected to the top of the blockage clearing box, the blockage clearing box is provided with a blockage clearing mechanism, the blockage clearing mechanism includes a servo motor, the outer wall of the blockage clearing box is fixedly connected to the servo motor, the output end of the servo motor is fixedly connected to a rotating shaft, and the end of the rotating shaft away from the servo motor is fixedly connected to a spiral blade shaft. The transmission shaft of the coal bunker blockage clearing device drives the push block to rotate, so that the push block periodically pushes the force block, and the force plate is driven to move by the force block, so that the large coal on the force plate is moved to the crushing teeth for crushing. When the force plate descends, the force plate is tilted by the cooperation of the high inclined seat and the low inclined seat, so that the crushed coal blocks are conveniently sent to the curved material channel, and the problem of large coal blocks being easily blocked is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal bunker blockage clearing devices, in particular to a coal bunker blockage clearing device. Background Art

[0002] With the rapid development of economy, the demand for electricity is increasing, which greatly threatens the normal operation of power plants, reduces the power generation, and directly affects the economic benefits of power plants.

[0003] At present, in the prior art, for example, a Chinese patent with announcement number CN218190190U discloses a coal bunker mouth clearing device, which directly uses nitrogen to effectively clear the coal bunker mouth. Nitrogen is an inert gas and will not cause serious accidents such as coal powder explosion, avoid manual high-altitude operations, prevent personal injury, and greatly reduce the labor intensity of personnel on duty. However, when in use, since the device cannot handle larger coal clumps, it is easy to be blocked at the discharge port, reducing the discharge efficiency. In view of this, we propose a coal bunker clearing device. Utility Model Content

[0004] The main purpose of the utility model is to provide a coal bunker blockage clearing device, which can solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a coal bunker blockage clearing device, comprising a blockage clearing box, a conveyor belt is arranged on the top of the blockage clearing box, an inclined plate is fixedly connected to the top of the blockage clearing box, and the blockage clearing box is provided with a blockage clearing mechanism, and the blockage clearing mechanism comprises:

[0006] A servo motor, the outer wall of the blockage clearing box is fixedly connected with the servo motor;

[0007] A rotating shaft, the output end of the servo motor is fixedly connected to the rotating shaft;

[0008] The spiral blade shaft is fixedly connected to one end of the rotating shaft away from the servo motor.

[0009] Preferably, the outer wall of the rotating shaft is rotatably connected to the inner wall of the clearing box, the outer wall of the rotating shaft is transmission connected to a belt, the belt is transmission connected to a transmission shaft, the rotation of the rotating shaft drives the spiral blade shaft to rotate, and then the coal blocks inside the clearing box are discharged, the rotation of the rotating shaft drives the belt to rotate, and the rotation of the belt drives the transmission shaft to rotate.

[0010] Preferably, the transmission shaft is rotatably connected to the outer wall of the clearing box, and a pushing block is fixedly connected to the side of the transmission shaft away from the clearing box. The pushing block is driven to rotate by the rotation of the transmission shaft, and the arc surface design of the pushing block facilitates contact with the force-bearing block.

[0011] Preferably, the outer wall of the clearing box is provided with an extrusion chamber, the bottom of the extrusion chamber is slidably connected with a force-bearing block, the bottom of the force-bearing block is designed to be semi-arc-shaped to facilitate contact with the pushing block, and the outer wall of the force-bearing block is provided with a movable groove.

[0012] Preferably, the inner wall of the extrusion chamber is fixedly connected with a high inclined seat, the inner wall of the extrusion chamber is fixedly connected with a low inclined seat, the outer wall of the force block is movably connected with a force plate, a spring is provided at the bottom of the force plate, and one end of the spring away from the force plate is welded to the inner wall of the extrusion chamber, so that the spring can slow down the falling speed of the force plate.

[0013] Preferably, a crushing tooth is slidably connected to the top of the extrusion chamber, a curved material channel is fixedly connected to the outer wall of the extrusion chamber, a filter plate is fixedly connected to the inner wall of the curved material channel, a discharge port is provided at the bottom of the clearing box, a second spring is welded to the outer wall of the crushing tooth, one end of the second spring away from the crushing tooth is welded to the top of the extrusion chamber, and when a metal object is encountered, the crushing tooth can move in the extrusion chamber, thereby avoiding the machine from getting stuck and increasing the service life of the device.

[0014] The utility model provides a coal bunker blockage clearing device, which has the following beneficial effects:

[0015] (1) The coal bunker blocking removal device drives the pushing block to rotate through the transmission shaft, so that the pushing block periodically pushes the force-bearing block, and the force-bearing plate is driven to move through the force-bearing block, so that the large coal on the force-bearing plate is moved to the crushing teeth for crushing. When the force-bearing plate descends, the high inclined seat and the low inclined seat are cooperated to make the force-bearing plate tilted, so that the crushed coal blocks are conveniently sent to the curved material channel. After filtering through the filter plate, they enter the interior of the blocking removal box, thereby solving the problem that large coal blocks are prone to blockage and improving work efficiency.

[0016] (2) The coal bunker blockage clearing device facilitates large coal blocks to be sent to the extrusion chamber through the inclined plate, so that the inclined plate can quickly send small coal blocks to the spiral blade shaft, so as to quickly discharge the coal blocks from the blockage clearing box and complete the discharging work. At the same time, the spring is welded to the outer wall of the crushing teeth so that the crushing teeth can move when encountering hard metal, thereby avoiding the machine from being stuck and prolonging the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the clearing box and the extrusion chamber of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the force-bearing block and the curved material of the utility model.

[0021] Explanation of the accompanying numbers: 1. Clearing box; 2. Conveyor belt; 3. Inclined plate; 4. Clearing mechanism; 41. Servo motor; 42. Rotating shaft; 43. Spiral blade shaft; 44. Transmission shaft; 45. Pushing block; 46. Force block; 5. Extrusion chamber; 6. High inclined seat; 7. Low inclined seat; 8. Force plate; 9. Crushing teeth; 10. Curved material channel; 11. Filter plate; 12. Discharge port.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 3 The utility model proposes a coal bunker blockage clearing device, comprising a blockage clearing box 1, a conveyor belt 2 is arranged on the top of the blockage clearing box 1, an inclined plate 3 is fixedly connected to the top of the blockage clearing box 1, baffles are arranged on both sides of the inclined plate 3 to prevent coal blocks from falling off, the blockage clearing box 1 is provided with a blockage clearing mechanism 4, the blockage clearing mechanism 4 comprises a servo motor 41, the outer wall of the blockage clearing box 1 is fixedly connected to the servo motor 41, the output end of the servo motor 41 is fixedly connected to a rotating shaft 42, and the end of the rotating shaft 42 away from the servo motor 41 is fixedly connected to a spiral blade shaft 43.

[0025] In the utility model, the outer wall of the rotating shaft 42 is rotatably connected to the inner wall of the clearing box 1, and the outer wall of the rotating shaft 42 is connected to a belt for transmission, and the belt is connected to a transmission shaft 44 for transmission. The rotation of the rotating shaft 42 drives the spiral blade shaft 43 to rotate, and then the coal blocks inside the clearing box 1 are discharged. The rotation of the rotating shaft 42 drives the belt to rotate, and the rotation of the belt drives the transmission shaft 44 to rotate. The transmission shaft 44 is rotatably connected to the outer wall of the clearing box 1, and a pushing block 45 is fixedly connected to the side of the transmission shaft 44 away from the clearing box 1, and the pushing block 45 is driven to rotate by the rotation of the transmission shaft 44. The arc surface design of the pushing block 45 is convenient for contact with the force block 46. The outer wall of the clearing box 1 is provided with an extrusion chamber 5, and the bottom of the extrusion chamber 5 is slidably connected with a force block 46. The bottom of the force block 46 is designed with a semi-arc shape, which is convenient for contact with the pushing block 45, and the outer wall of the force block 46 is provided with a movable groove.

[0026] Furthermore, the inner wall of the extrusion chamber 5 is fixedly connected with a high inclined seat 6, the inner wall of the extrusion chamber 5 is fixedly connected with a low inclined seat 7, the outer wall of the force block 46 is movably connected with a force plate 8, the extrusion chamber 5 is provided with two openings, one is convenient for the entry of large coal blocks, and the other is convenient for the discharge of coal blocks. The side away from the discharge port is fixedly connected with the high inclined seat 6, the top of the high inclined seat 6 is designed as an inclined surface, the top of the low inclined seat 7 is close to the side of the high inclined seat 6 is designed as a plane, and the side away from the high inclined seat 6 is designed as an inclined surface. The force plate 8 can move up and down on the movable groove, and then cooperate with the inclined surface of the high inclined seat 6 and the plane of the low inclined seat 7. When the force plate 8 moves downward, it will tilt, so that the coal blocks enter the curved material channel 10. A spring is provided at the bottom of the force plate 8, and the end of the spring away from the force plate 8 is welded to the inner wall of the extrusion chamber 5, and the spring can slow down the falling speed of the force plate 8.

[0027] Furthermore, a crushing tooth 9 is slidably connected to the top of the extrusion chamber 5, a curved material channel 10 is fixedly connected to the outer wall of the extrusion chamber 5, a filter plate 11 is fixedly connected to the inner wall of the curved material channel 10, and a discharge port 12 is provided at the bottom of the clearing box 1. The coal blocks are filtered by the filter plate 11 to prevent large coal blocks from entering the clearing box 1, thereby ensuring the discharge speed of the clearing box 1. A spring 2 is welded to the outer wall of the crushing tooth 9, and one end of the spring 2 away from the crushing tooth 9 is welded to the top of the extrusion chamber 5. When encountering a metal object, the crushing tooth 9 can be moved in the extrusion chamber 5, which can prevent the machine from getting stuck and improve the service life of the device.

[0028] When in use, the coal in the coal bunker is sent to the top of the clearing box 1 through the conveyor belt 2, and the crushed coal blocks are sent to the spiral blade shaft 43 through the through groove on the inclined plate 3, and the servo motor 41 is started to drive the rotating shaft 42 to rotate, so that the spiral blade shaft 43 conveys the fallen coal to the outlet 12, and the discharging work is completed, which is convenient and fast. At the same time, the rotating shaft 42 drives the transmission shaft 44 to rotate through the belt, and the transmission shaft 44 drives the pushing block 45 to rotate, so that the pushing block 45 periodically pushes the force block 46, and the force plate 8 is driven to move through the force block 46, so that the large coal on the force plate 8 is moved to the crushing teeth 9 for crushing. When the force plate 8 descends, the force plate 8 is tilted through the cooperation of the high inclined seat 6 and the low inclined seat 7, so that the crushed coal blocks are conveniently sent to the curved material channel 10, and after filtering through the filter plate 11, they enter the interior of the clearing box 1, so as to solve the problem that large coal blocks are prone to blockage and improve work efficiency.

[0029] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A coal bunker blockage clearing device, comprising a blockage clearing box (1), characterized in that: A conveyor belt (2) is arranged on the top of the clearing box (1), an inclined plate (3) is fixedly connected to the top of the clearing box (1), and a clearing mechanism (4) is arranged on the clearing box (1), and the clearing mechanism (4) comprises: A servo motor (41), the outer wall of the blockage clearing box (1) being fixedly connected to the servo motor (41); A rotating shaft (42), the output end of the servo motor (41) being fixedly connected to the rotating shaft (42); A spiral blade shaft (43), one end of the rotating shaft (42) away from the servo motor (41) is fixedly connected with the spiral blade shaft (43).

2. A coal bunker blockage clearing device according to claim 1, characterized in that: The outer wall of the rotating shaft (42) is rotatably connected to the inner wall of the clearing box (1), the outer wall of the rotating shaft (42) is transmission-connected to a belt, and the belt is transmission-connected to a transmission shaft (44).

3. A coal bunker blockage clearing device according to claim 2, characterized in that: The transmission shaft (44) is rotatably connected to the outer wall of the clearing box (1), and a push block (45) is fixedly connected to the side of the transmission shaft (44) away from the clearing box (1).

4. A coal bunker blockage clearing device according to claim 1, characterized in that: The outer wall of the blockage clearing box (1) is provided with an extrusion chamber (5), and the bottom of the extrusion chamber (5) is slidably connected with a force-bearing block (46).

5. A coal bunker blockage clearing device according to claim 4, characterized in that: The inner wall of the extrusion chamber (5) is fixedly connected to a high inclined seat (6), the inner wall of the extrusion chamber (5) is fixedly connected to a low inclined seat (7), and the outer wall of the force-bearing block (46) is movably connected to a force-bearing plate (8).

6. A coal bunker blockage clearing device according to claim 5, characterized in that: The top of the extrusion chamber (5) is slidably connected to a crushing tooth (9), the outer wall of the extrusion chamber (5) is fixedly connected to a curved material channel (10), the inner wall of the curved material channel (10) is fixedly connected to a filter plate (11), and the bottom of the clearing box (1) is provided with a discharge port (12).

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