Crushing device capable of achieving uniform material feeding
By designing a crusher device including a deflector and an anti-blocking unit, the crusher's serious wear caused by the concentration of blanking is solved, and the uniformity of blanking and the long life of the hammer head is achieved, and the stable operation of the crusher system is ensured.
Patent Information
- Application Number
- CN202421277310.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-05
AI Technical Summary
Due to the concentrated blanking of existing crushers, the middle hammer head has severe wear and rough grain size, which cannot meet the production requirements. The service life of the middle hammer head is greatly reduced, affecting the long-term and stable operation of the entire coal supply system.
A crushing device including a crusher, a lower chamber body, an upper chamber body, a cloth unit and an anti-blocking unit is designed. By installing primary and secondary deflectors in the upper chamber and installing cemented carbide wear-resistant patches on the surface of the chute, uniform dispersion and blanking of coal particles are achieved. At the same time, the anti-blocking unit automatically clears the coal flow through the vibrator and the PLC controller to prevent blockage.
The uniformity of the blanking material above the crusher is achieved, the breakage speed of the hammer head and hammer arm in the middle is slowed down, the service life of the hammer head is extended, and the stable operation of the crusher system is ensured.
Smart Images
Figure CN222694889U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of crusher material distribution equipment, and in particular relates to a crushing device capable of realizing uniform material dropping. Background Art
[0002] The hammer crusher is one of the key equipment at the front end of the coal supply system. Its working principle is that the material is quickly broken into small pieces under the high-speed rotation and strong impact of the hammer. At the same time, the mutual collision and friction between the materials further accelerate the crushing process, crushing the raw coal with a particle size of less than 50mm to within 6mm, and the crushed materials are discharged from the crusher through the discharge port. Due to the uneven coal supply of the belt conveyor above the crusher and the concentrated coal flow in the middle, the hammer head in the middle of the crusher is seriously worn, resulting in coarse particle size, which cannot meet production requirements. At the same time, the service life of the hammer head in the middle is also greatly reduced, which seriously affects the long-term stable operation of the entire coal supply system. Utility Model Content
[0003] The utility model aims to provide a crushing device capable of realizing uniform material dropping, and solves the problem of serious wear of the hammer head in the middle part of the existing crusher due to concentrated material dropping.
[0004] The technical solution adopted by the utility model is a crushing device that can achieve uniform material dropping, including a crusher, a lower bin body fixedly connected to the outer wall of the crusher, the lower bin body is arranged at the feed port of the crusher, an anti-blocking unit is arranged on the lower bin body, an upper bin body is fixedly connected to the side of the lower bin body away from the crusher, a material distribution unit is fixedly connected to the upper bin body, a material collection trough is opened on the side of the upper bin body away from the lower bin body, and also includes a coal supply belt conveyor, which cooperates with the material collection trough.
[0005] The utility model is also characterized in that:
[0006] A plurality of observation ports are provided on the upper warehouse body.
[0007] A manhole is provided on the lower warehouse body.
[0008] The anti-blocking unit comprises a stress-bearing pressure plate, which is arranged on the inner wall of the lower bin body, and a vibrator is arranged on the outer wall of the lower bin body at a position corresponding to the stress-bearing pressure plate, and the vibrator is connected to a PLC controller through a wire.
[0009] The material distribution unit includes a first chute, a second chute is fixedly connected to one side of the first chute, the first chute and the second chute are also fixedly connected by a chute fixing frame, the chute fixing frame is fixedly connected to the inner wall of the upper warehouse body, the angle between the first chute and the second chute is 30 degrees, and the first chute and the second chute are respectively provided with a corresponding number of primary guide plates on one side of the surface along the slope direction, and the several first-level guide plates are arranged close to the material aggregation trough, and the first chute and the second chute are respectively provided with a corresponding number of secondary guide plates on one side of the surface along the slope direction, and the several secondary guide plates are arranged close to the lower warehouse body, the first chute and the second chute are provided with chute hard alloy wear-resistant patches in the gaps between the several first-level guide plates and the several second-level guide plates on the surface, and the several first-level guide plates and the several second-level guide plates are provided with guide plate hard alloy wear-resistant patches on one side of the surface.
[0010] The chute fixing frame includes a chute support rod, both ends of which are fixedly connected to the inner wall of the upper warehouse body, and a plurality of parallel chute fixing rods are fixedly connected to the chute support rod, one end of the plurality of chute fixing rods is fixedly connected to the first chute, and the other end of the plurality of chute fixing rods is fixedly connected to the second chute.
[0011] The beneficial effects of the utility model are:
[0012] The utility model provides a crushing device capable of achieving uniform material dropping, so that material dropping above the crusher is more uniform, overcomes the concentrated material dropping above the crusher, greatly reduces the damage rate of the hammer head and hammer arm in the middle of the crusher, prolongs the service life of the hammer head of the crusher, and ensures the stable operation of the crusher system. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the crushing device of the utility model which can realize uniform material dropping;
[0014] Figure 2 It is a connection diagram of the anti-blocking unit of the utility model;
[0015] Figure 3 It is a structural schematic diagram of the material distribution unit of the utility model;
[0016] Figure 4 It is a structural schematic diagram of a chute fixing frame of the utility model.
[0017] In the figure, 1. coal supply belt conveyor, 2. material distribution unit, 201. first chute, 202. primary guide plate, 203. secondary guide plate, 204. guide plate carbide wear-resistant patch, 205. chute carbide wear-resistant patch, 206. chute fixing frame, 207. second chute, 208 chute support rod, 209 chute fixing rod, 3. material collecting trough, 4. observation port, 5. upper bin body, 6. lower bin body, 7. manhole, 8. crusher, 9. load-bearing pressure plate, 10. vibrator, 11. PLC controller. DETAILED DESCRIPTION
[0018] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.
[0019] The utility model provides a crushing device capable of achieving uniform material dropping, such as Figure 1 As shown, it includes a crusher 8, the outer wall of the crusher 8 is fixedly connected to a lower bin body 6, the lower bin body 6 is arranged at the feed port of the crusher 8, an anti-blocking unit is arranged on the lower bin body 6, an upper bin body 5 is fixedly connected to the side of the lower bin body 6 away from the crusher 8, a material distribution unit 2 is fixedly connected in the upper bin body 5, a material collection trough 3 is provided on the side of the upper bin body 5 away from the lower bin body 6, and also includes a coal supply belt conveyor 1, the coal supply belt conveyor 1 cooperates with the material collection trough 3, the coal supply belt conveyor 1 receives the incoming coal and transports it to the material distribution unit 2 through the material collection trough 3; a plurality of observation ports 4 are provided on the upper bin body 5 for observing the coal flow distribution; a manhole 7 is provided on the lower bin body 6 for observing the coal flow falling, and when the coal flow is blocked and the anti-blocking device cannot solve it, people manually enter the manhole to clear the blockage. Figure 2 As shown, the anti-blocking unit includes a pressure plate 9, which is arranged on the inner wall of the lower bin body 6. A vibrator 10 is arranged on the outer wall of the lower bin body 6 at a position corresponding to the pressure plate 9. The vibrator 10 is connected to a PLC controller 11 through a wire. When a blockage occurs, the impact force of the coal flow received by the pressure plate 9 is reduced and fed back to the PLC controller 11. The PLC controller 11 instructs the vibrator 10 to be turned on to clear the coal flow. When the impact force of the coal flow received by the pressure plate 9 returns to normal, the PLC controller 11 instructs the vibrator 10 to be turned off. A hard alloy wear-resistant layer is provided on the lower bin body 6 and the pressure plate 9 to reduce the scouring and wear of the bin wall by coal particles. Figure 3As shown, the material distribution unit 2 includes a first chute 201, a second chute 207 is fixedly connected to one side of the first chute 201, the first chute 201 and the second chute 207 are also fixedly connected by a chute fixing frame 206, the chute fixing frame 206 is fixedly connected to the inner wall of the upper warehouse body 5, the angle between the first chute 201 and the second chute 207 is 30 degrees, and one side of the surface of the first chute 201 and the second chute 207 is respectively provided with a corresponding number of primary guide plates 202 along the slope direction, and the number of primary guide plates 202 are arranged close to the material collection tank 3, and one side of the surface of the first chute 201 and the second chute 207 is respectively provided with a corresponding number of secondary guide plates along the slope direction 203, a plurality of primary guide plates 202 are arranged near the lower bin 6, and the surfaces of the first chute 201 and the second chute 207 are provided with chute carbide wear-resistant patches 205 in the gaps between the plurality of primary guide plates 202 and the plurality of secondary guide plates 203 to reduce the erosion and wear of the lower bin by coal particles, and a plurality of primary guide plates 202 and a plurality of secondary guide plates 203 are provided with guide plate carbide wear-resistant patches 204 on one side to reduce the erosion and wear of the lower bin by coal particles, and the plurality of primary guide plates 202 will concentrate the coal particles for the first time and disperse them into the plurality of secondary guide plates 203, and then disperse them again by the plurality of secondary guide plates 203 and then fall into the lower bin 6. Figure 4 As shown, the chute fixing frame 206 includes a chute support rod 208, both ends of which are fixedly connected to the inner wall of the upper warehouse body 5, and a plurality of parallel chute fixing rods 209 are fixedly connected to the chute support rod 208, one end of the plurality of chute fixing rods 209 are fixedly connected to the first chute 201, and the other ends of the plurality of chute fixing rods 209 are fixedly connected to the second chute 207.
[0020] The utility model provides a crushing device capable of achieving uniform material dropping, and its working principle is as follows: the coal supply belt conveyor 1 receives the incoming coal and transports it to the distribution unit 2 through the gathering trough 3, and the primary diversion is achieved through a plurality of primary guide plates 202 in the distribution unit 2, and then the secondary diversion is achieved through a plurality of secondary guide plates 203, and finally the coal particles fall into the crusher 8 through the lower bin body 6.
[0021] Example 1
[0022] The crushing device proposed in this embodiment can achieve uniform material dropping, such as Figure 1 As shown, it includes a crusher 8, a lower bin body 6 is fixedly connected to the outer wall of the crusher 8, the lower bin body 6 is arranged at the feed port of the crusher 8, an anti-blocking unit is provided on the lower bin body 6, an upper bin body 5 is fixedly connected to the side of the lower bin body 6 away from the crusher 8, a material distribution unit 2 is fixedly connected to the upper bin body 5, a material collection trough 3 is opened on the side of the upper bin body 5 away from the lower bin body 6, and also includes a coal supply belt conveyor 1, which cooperates with the material collection trough 3.
[0023] Example 2
[0024] The crushing device proposed in this embodiment can achieve uniform material dropping, such as Figure 1 As shown, it includes a crusher 8, the outer wall of the crusher 8 is fixedly connected to a lower bin 6, the lower bin 6 is arranged at the feed port of the crusher 8, an anti-blocking unit is arranged on the lower bin 6, an upper bin 5 is fixedly connected to the side of the lower bin 6 away from the crusher 8, a material distribution unit 2 is fixedly connected to the upper bin 5, a material collection trough 3 is opened on the side of the upper bin 5 away from the lower bin 6, and also includes a coal supply belt conveyor 1, which cooperates with the material collection trough 3; a plurality of observation ports 4 are opened on the upper bin 5; and a manhole 7 is opened on the lower bin 6. Figure 2 As shown, the anti-blocking unit includes a pressure plate 9, which is arranged on the inner wall of the lower bin body 6. A vibrator 10 is arranged on the outer wall of the lower bin body 6 at a position corresponding to the pressure plate 9. The vibrator 10 is connected to a PLC controller 11 through a wire.
[0025] Example 3
[0026] The crushing device proposed in this embodiment can achieve uniform material dropping, such as Figure 1 As shown, it includes a crusher 8, the outer wall of the crusher 8 is fixedly connected to a lower bin 6, the lower bin 6 is arranged at the feed port of the crusher 8, an anti-blocking unit is arranged on the lower bin 6, an upper bin 5 is fixedly connected to the side of the lower bin 6 away from the crusher 8, a material distribution unit 2 is fixedly connected to the upper bin 5, a material collection trough 3 is opened on the side of the upper bin 5 away from the lower bin 6, and also includes a coal supply belt conveyor 1, which cooperates with the material collection trough 3; a plurality of observation ports 4 are opened on the upper bin 5; and a manhole 7 is opened on the lower bin 6. Figure 2 As shown, the anti-blocking unit includes a pressure plate 9, which is arranged on the inner wall of the lower bin body 6, and a vibrator 10 is arranged on the outer wall of the lower bin body 6 at a position corresponding to the pressure plate 9, and the vibrator 10 is connected to a PLC controller 11 through a wire. Figure 3 As shown, the material distribution unit 2 includes a first chute 201, a second chute 207 is fixedly connected to one side of the first chute 201, the first chute 201 and the second chute 207 are also fixedly connected through a chute fixing frame 206, and the chute fixing frame 206 is fixedly connected to the inner wall of the upper warehouse body 5. The angle between the first chute 201 and the second chute 207 is 30 degrees. One side of the surface of the first chute 201 and the second chute 207 is respectively provided with a corresponding number of primary guide plates 202 along the slope direction, and the number of primary guide plates 202 are close to the material collecting trough 3. The first chute 201 and the second chute 207 are provided with a corresponding number of secondary guide plates 203 on one side along the slope direction, and a number of primary guide plates 202 are arranged close to the lower warehouse body 6. The first chute 201 and the second chute 207 are provided with chute hard alloy wear-resistant patches 205 in the gaps between the number of primary guide plates 202 and the number of secondary guide plates 203 on the surface, and the number of primary guide plates 202 and the number of secondary guide plates 203 are provided with guide plate hard alloy wear-resistant patches 204 on one side.
[0027] Example 4
[0028] The crushing device proposed in this embodiment can achieve uniform material dropping, such as Figure 1 As shown, it includes a crusher 8, the outer wall of the crusher 8 is fixedly connected to a lower bin 6, the lower bin 6 is arranged at the feed port of the crusher 8, an anti-blocking unit is arranged on the lower bin 6, an upper bin 5 is fixedly connected to the side of the lower bin 6 away from the crusher 8, a material distribution unit 2 is fixedly connected to the upper bin 5, a material collection trough 3 is opened on the side of the upper bin 5 away from the lower bin 6, and also includes a coal supply belt conveyor 1, which cooperates with the material collection trough 3; a plurality of observation ports 4 are opened on the upper bin 5; and a manhole 7 is opened on the lower bin 6. Figure 2 As shown, the anti-blocking unit includes a pressure plate 9, which is arranged on the inner wall of the lower bin body 6, and a vibrator 10 is arranged on the outer wall of the lower bin body 6 at a position corresponding to the pressure plate 9, and the vibrator 10 is connected to a PLC controller 11 through a wire. Figure 3 As shown, the material distribution unit 2 includes a first chute 201, a second chute 207 is fixedly connected to one side of the first chute 201, the first chute 201 and the second chute 207 are also fixedly connected through a chute fixing frame 206, and the chute fixing frame 206 is fixedly connected to the inner wall of the upper warehouse body 5. The angle between the first chute 201 and the second chute 207 is 30 degrees. One side of the surface of the first chute 201 and the second chute 207 is respectively provided with a corresponding number of primary guide plates 202 along the slope direction, and the number of primary guide plates 202 are close to the material collecting trough 3. The first chute 201 and the second chute 207 are provided with a plurality of corresponding secondary guide plates 203 on one side along the slope direction, and a plurality of primary guide plates 202 are provided near the lower bin 6. The first chute 201 and the second chute 207 are provided with chute carbide wear-resistant patches 205 in the gaps between the plurality of primary guide plates 202 and the plurality of secondary guide plates 203 on one side, and the plurality of primary guide plates 202 and the plurality of secondary guide plates 203 are provided with guide plate carbide wear-resistant patches 204 on one side. Figure 4 As shown, the chute fixing frame 206 includes a chute support rod 208, both ends of which are fixedly connected to the inner wall of the upper warehouse body 5, and a plurality of parallel chute fixing rods 209 are fixedly connected to the chute support rod 208, one end of the plurality of chute fixing rods 209 are fixedly connected to the first chute 201, and the other ends of the plurality of chute fixing rods 209 are fixedly connected to the second chute 207.
Claims
1. A crushing device capable of achieving uniform material dropping, characterized in that: The invention comprises a crusher (8), wherein a lower bin (6) is fixedly connected to the outer wall of the crusher (8), the lower bin (6) is arranged at the feed port of the crusher (8), an anti-blocking unit is arranged on the lower bin (6), an upper bin (5) is fixedly connected to the side of the lower bin (6) away from the crusher (8), a material distribution unit (2) is fixedly connected inside the upper bin (5), a material collection trough (3) is provided on the side of the upper bin (5) away from the lower bin (6), and a coal supply belt conveyor (1) is provided, the coal supply belt conveyor (1) cooperates with the material collection trough (3); The material distribution unit (2) comprises a first chute (201), a second chute (207) is fixedly connected to one side of the first chute (201), the first chute (201) and the second chute (207) are also fixedly connected via a chute fixing frame (206), the chute fixing frame (206) is fixedly connected to the inner wall of the upper warehouse body (5), the angle between the first chute (201) and the second chute (207) is 30 degrees, and one side of the surface of the first chute (201) and the second chute (207) is respectively provided with a corresponding plurality of primary guide plates (202) along a slope direction, and the plurality of primary guide plates (202) are close to the material collecting trough. (3) The first chute (201) and the second chute (207) are provided with a corresponding plurality of secondary guide plates (203) along the slope direction on one side of the surface, and the plurality of secondary guide plates (203) are arranged close to the lower bin (6). The first chute (201) and the second chute (207) are provided with chute hard alloy wear-resistant patches (205) in the gaps between the plurality of primary guide plates (202) and the plurality of secondary guide plates (203) on the surface, and guide plate hard alloy wear-resistant patches (204) are provided on one side of the surface of the plurality of primary guide plates (202) and the plurality of secondary guide plates (203).
2. The crushing device capable of achieving uniform material dropping according to claim 1, characterized in that: The upper warehouse body (5) is provided with a plurality of observation ports (4).
3. The crushing device capable of achieving uniform material dropping according to claim 1, characterized in that: A manhole (7) is provided on the lower warehouse body (6).
4. The crushing device capable of achieving uniform material dropping according to claim 1, characterized in that: The anti-blocking unit comprises a pressure plate (9), the pressure plate (9) being arranged on the inner wall of the lower bin body (6), and a vibrator (10) being arranged on the outer wall of the lower bin body (6) at a position corresponding to the pressure plate (9), and the vibrator (10) being connected to a PLC controller (11) via a wire.
5. The crushing device capable of achieving uniform material dropping according to claim 1, characterized in that: The chute fixing frame (206) comprises a chute support rod (208), both ends of which are fixedly connected to the inner wall of the upper bin body (5), and a plurality of parallel chute fixing rods (209) are fixedly connected to the chute support rod (208), one end of each of the chute fixing rods (209) is fixedly connected to the first chute (201), and the other end of each of the chute fixing rods (209) is fixedly connected to the second chute (207).