Multi-channel material distributing device of coal transfer tower funnel

Abstract

The utility model discloses a multi-channel material distributing device of a coal transfer tower funnel, belongs to the technical field of belt conveyor transfer tower funnel equipment, and is used for distributing materials to a plurality of conveying belts. According to the technical scheme, the upper end of a material receiving hopper is fixed to a transfer tower steel structure, a rotary bearing is connected between the lower end of the material receiving hopper and the upper end of a rotary hopper, a motor bottom plate is welded to the side wall of the material receiving hopper, an output shaft of a motor speed reducer is sleeved with a driving gear, and a gear structure of the outer ring of the rotary bearing is meshed with the driving gear; the lower end of the rotary hopper is bent, a plurality of discharging chutes are evenly distributed at the lower end of the material distributing barrel, the bent portion of the lower portion of the rotary hopper penetrates into the material distributing barrel to be opposite to the upper ends of the discharging chutes, and the lower ends of the discharging chutes are opposite to the surfaces of the conveying belts respectively. The rotary hopper is reasonable in structure and convenient to use, the rotary hopper can convey materials to a plurality of downstream conveying belts through a plurality of discharging chutes of the material distributing barrel, and organization and adjustment of ship loading operation are facilitated.

Description

Technical Field

[0001] The utility model relates to a material distributing device for a funnel of a transfer tower in a coal port, belonging to the technical field of funnel equipment of a belt conveyor transfer tower. Background Art

[0002] A belt conveyor is an efficient device for continuous transportation of large amounts of bulk materials in modern industry, and is widely used in bulk material transportation operations such as ports, docks, steel plants, coking plants, coal storage plants, power plants, etc. The transfer tower hopper arranged at the head position of the belt conveyor can change the material transportation direction and can connect multiple different belt conveyors at the same time. The existing transfer tower hopper uses a sector-shaped flap to swing to realize the connection of two material distributing funnels. The sector-shaped flap is prone to jamming during swinging, and there are gaps between the edge of the flap and the hopper wall, resulting in material accumulation, which further exacerbates the flap jamming. Moreover, the material can only be transported to two funnels, which is not conducive to the organization and adjustment of the operation process. In order to solve the problems existing in the existing transfer tower hopper, it is very necessary to improve the existing material distributing device of the transfer tower hopper. Summary of the Utility Model

[0003] The technical problem solved by the utility model is to provide a multi-channel material distributing device for a coal transfer tower hopper. This material distributing device can transport materials into a material distributing cylinder through a rotary motion, and the material distributing cylinder can transport materials to conveyor belts in four different directions respectively, realizing that one transfer tower hopper can correspond to four downstream conveyor belts respectively, which is conducive to the organization and adjustment of the ship loading operation, and can avoid the jamming of the material distributing device at the same time.

[0004] The technical solution for solving the above technical problem is as follows:

[0005] A multi-channel material distributing device for a coal transfer tower hopper, which comprises a receiving hopper, a slewing bearing, a rotary hopper, a motor base plate, a motor, a speed reducer, a driving gear, and a material distributing cylinder. The upper end of the receiving hopper is fixed on the transfer tower steel structure. The inner ring of the slewing bearing is fixed on the outer periphery of the lower end of the receiving hopper, and the outer ring of the slewing bearing is connected to the upper end of the rotary hopper. The motor base plate is welded and fixed on the side wall of the receiving hopper above the slewing bearing. The motor and the speed reducer are fixed on the motor base plate. The output shaft of the speed reducer is vertically downward. The inner hole of the driving gear is sleeved on the output shaft of the speed reducer. The outer ring of the slewing bearing is a gear structure, and the outer ring gear of the slewing bearing meshes with the driving gear. The rotary hopper is a bent cylinder, and the upper end of the rotary hopper is connected to the outer ring of the slewing bearing. The material distributing cylinder is a cylindrical body, and the upper end of the material distributing cylinder is fixedly connected to the transfer tower steel structure. A plurality of blanking chutes are evenly distributed at the lower end of the material distributing cylinder. The lower bent part of the rotary hopper extends into the material distributing cylinder, and the lower end of the rotary hopper is opposite to the upper end of the blanking chute of the material distributing cylinder. The lower ends of the plurality of blanking chutes are respectively opposite to the surfaces of the conveyor belts of a plurality of belt conveyors.

[0006] The multi-channel material distribution device of the coal transfer tower funnel mentioned above. At the lower outer periphery of the receiving funnel, two parallel circular inner ring connecting plates are respectively welded. The circumferences of the two inner ring connecting plates are evenly distributed with inner ring connecting holes. The inner ring of the slewing bearing is located below the inner ring connecting plate. The circumference of the inner ring of the slewing bearing is evenly distributed with upper bearing screw holes. The upper bearing screw holes are opposite to the inner ring connecting holes of the inner ring connecting plate. Connecting bolts fixedly connect the inner ring of the slewing bearing and the inner ring connecting plate.

[0007] The multi-channel material distribution device of the coal transfer tower funnel mentioned above. At the upper outer periphery of the rotary funnel, two parallel circular outer ring connecting plates are respectively welded. The circumferences of the two outer ring connecting plates are evenly distributed with outer ring connecting holes. The outer ring of the slewing bearing is located above the outer ring connecting plate. The circumference of the outer ring of the slewing bearing is evenly distributed with lower bearing screw holes. The lower bearing screw holes are opposite to the outer ring connecting holes of the outer ring connecting plate. Connecting bolts fixedly connect the outer ring of the slewing bearing and the outer ring connecting plate.

[0008] The multi-channel material distribution device of the coal transfer tower funnel mentioned above. There are four blanking chutes on the bottom surface of the material distribution cylinder. The four blanking chutes are respectively located at the circumferential edges of the bottom surface of the material distribution cylinder. The upper ends of the four blanking chutes are respectively located on the rotary trajectories of the lower ends of the bent parts of the rotary funnel. The diameters of the chute inlets at the upper ends of the four blanking chutes are larger than the diameter of the rotary funnel outlet at the lower end of the rotary funnel. The lower parts of the four blanking chutes are respectively inclined towards the conveyor belts of the four belt conveyors. A seal cover that can be opened is installed at the upper end of the material distribution cylinder.

[0009] When the present utility model is in use, the motor and the reducer drive the drive gear to rotate, so that the outer ring of the slewing bearing rotates, and then drives the rotary funnel to rotate in the material distribution cylinder. The lower end of the rotary funnel can be respectively opposite to different blanking chutes. The materials carried by the conveyor belt can be conveyed to the conveyor belts of different belt conveyors through the rotary funnel and the blanking chutes of the material distribution cylinder; by rotating the motor, the rotary funnel can correspond to different blanking chutes, achieving the purpose of conveying materials in different directions.

[0010] The structure of the present utility model is reasonable, durable and easy to use. It can not only avoid the jamming of the material distribution device, but also transfer the materials to four different conveyor belts respectively through the rotary motion of the rotary funnel, realizing that one upstream conveyor belt corresponds to four downstream conveyor belts respectively, which is beneficial to the organization and adjustment of the ship loading operation. Brief Description of the Drawings

[0011] Figure 1 is the structural schematic diagram of the present utility model;

[0012] Figure 2 is the connection structural schematic diagram of the receiving funnel, the slewing bearing and the rotary funnel;

[0013] Figure 3 isFigure 2 Front view;

[0014] Figure 4 is Figure 3 Left view of;

[0015] Figure 5 Structural diagram of the material receiving hopper;

[0016] Figure 6 Structural diagram of the rotary hopper;

[0017] Figure 7 Front view of the slewing bearing;

[0018] Figure 8 is Figure 7 A - A sectional view of;

[0019] Figure 9 is Figure 7 Top view of;

[0020] Figure 10 Front view of the driving gear;

[0021] Figure 11 is Figure 10 Top view of.

[0022] The markings in the figure are as follows: material receiving hopper 1, slewing bearing 2, rotary hopper 3, motor base plate 4, motor 5, reducer 6, driving gear 7, distributing cylinder 8, blanking chute 9, inner ring connecting plate 10, inner ring connecting hole 11, outer ring connecting plate 12, outer ring connecting hole 13, connecting bolt 14, rotary hopper feed inlet 15, rotary hopper discharge outlet 16, chute feed inlet 17, chute discharge outlet 18, sealing cover 19, upper bearing screw hole 20, lower bearing screw hole 21. Detailed implementation mode

[0023] The utility model is composed of a material receiving hopper 1, a slewing bearing 2, a rotary hopper 3, a motor base plate 4, a motor 5, a reducer 6, a driving gear 7, and a distributing cylinder 8.

[0024] Figure 1It is shown that the upper end of the material receiving hopper 1 is fixed on the steel structure of the transfer tower. The inner ring of the slewing bearing 2 is fixed on the outer periphery of the lower end of the material receiving hopper 1, and the outer ring of the slewing bearing 2 is connected to the upper end of the rotary hopper 3. A driving device is installed on the side wall of the material receiving hopper 1. The driving device is connected to the outer ring of the slewing bearing 2. The driving device drives the outer ring of the slewing bearing 2 to rotate, thereby driving the rotary hopper 3 to perform a rotary motion. There is a material distributing cylinder 8 below the rotary hopper 3. The material distributing cylinder 8 is a cylindrical body. The upper end of the cylindrical body of the material distributing cylinder 8 is fixedly connected to the steel structure of the transfer tower. Four discharging chutes 9 are evenly distributed on the bottom surface of the material distributing cylinder 8. The rotary hopper 3 is a bent cylinder. The bent lower part of the rotary hopper 3 extends into the material distributing cylinder 8. When the rotary hopper 3 rotates, the rotary hopper discharge ports 16 at the lower end of the bent part of the rotary hopper 3 are respectively opposite to the chute inlet ports 17 of the four discharging chutes 9 of the material distributing cylinder 8. The chute outlet ports 18 of the four discharging chutes 9 are respectively opposite to the surfaces of the conveyor belts of the four belt conveyors.

[0025] During operation, the rotary hopper 3 rotates inside the material distributing cylinder 8. The rotary hopper discharge ports 16 at the lower end of the rotary hopper 3 can be respectively opposite to the chute inlet ports 17 of different discharging chutes. The materials carried by the conveyor belt can be conveyed to the conveyor belts of different belt conveyors through the rotary hopper 3 and the discharging chutes 9 of the material distributing cylinder 8.

[0026] Figure 1 It is shown that the upper part of the material receiving hopper 1 is a square shell, and the square shell is the conveyor belt inlet. The discharge roller of the conveyor belt is located inside the material receiving hopper 1. The conveyor belt and the return belt are respectively on the upper and lower sides of the discharge roller. The conveyor belt sends the materials into the square shell of the material receiving hopper 1. The lower part of the material receiving hopper 1 is a circular cylinder, and the circular cylinder is the discharge port of the material receiving hopper 1.

[0027] Figure 1 It is shown that the four discharging chutes 9 on the bottom surface of the material distributing cylinder 8 are respectively located at the circumferential edge of the bottom surface of the material distributing cylinder 8. The chute inlet ports 17 of the four discharging chutes 9 are respectively located on the rotary trajectories of the rotary hopper discharge ports 16 at the lower end of the bent part of the rotary hopper 3. The diameters of the chute inlet ports 17 of the four discharging chutes 9 are larger than the diameters of the rotary hopper discharge ports 16 of the rotary hopper, so that the materials will not spill outside the chute inlet ports 17 when falling. The lower parts of the four discharging chutes 9 are respectively inclined towards the conveyor belts of the four belt conveyors. A seal cover 19 that can be opened is installed at the upper end of the material distributing cylinder 8, which can prevent the dust of the materials during operation.

[0028] Figure 2 、 3、4, and 5 show that two parallel circular inner ring connecting plates 10 are respectively welded to the outer periphery of the lower end of the material receiving funnel 1. Inner ring connection holes 11 are evenly distributed on the circumferences of the two inner ring connecting plates 10. The inner ring of the slewing bearing 2 is located below the inner ring connecting plate 19. Bearing upper screw holes 20 are evenly distributed on the circumference of the inner ring of the slewing bearing 2. The bearing upper screw holes 20 are opposite to the inner ring connection holes 11 of the inner ring connecting plate 10. The connecting bolts 14 fixedly connect the inner ring of the slewing bearing 2 and the inner ring connecting plate 10.

[0029] Figure 2 、 3 、4, and 6 show that two parallel circular outer ring connecting plates 12 are respectively welded to the outer periphery of the upper end of the rotary funnel 3. Outer ring connection holes 13 are evenly distributed on the circumferences of the two outer ring connecting plates 12. The outer ring of the slewing bearing 2 is located above the outer ring connecting plate 12. Bearing lower screw holes 21 are evenly distributed on the circumference of the outer ring of the slewing bearing 2. The bearing lower screw holes 21 are opposite to the outer ring connection holes 13 of the outer ring connecting plate 12. The connecting bolts 14 fixedly connect the outer ring of the slewing bearing 2 and the outer ring connecting plate 12.

[0030] Figure 7 、 8 、9 show that the inner ring and the outer ring of the slewing bearing 2 are connected by balls. The inner ring of the slewing bearing 2 is fixed to the outer periphery of the lower end of the material receiving funnel 1. The outer ring of the slewing bearing 2 is connected to the upper end of the rotary funnel 3. The outer ring of the slewing bearing 2 is a gear structure. The driving device can push the outer ring of the slewing bearing 2 to rotate, thereby driving the rotary funnel 3 to perform a rotary motion.

[0031] Figure 2 、 3 、4, 10, and 11 show that the driving device includes a motor base plate 4, a motor 5, a speed reducer 6, and a driving gear 7. The motor base plate 4 is welded and fixed to the side wall of the material receiving funnel 1 above the slewing bearing 2. The motor 5 and the speed reducer 6 are fixed on the motor base plate 4. The output shaft of the speed reducer 6 is vertically downward. The inner hole of the driving gear 7 is sleeved on the output shaft of the speed reducer 6. The outer ring gear of the slewing bearing 2 meshes with the driving gear 7.

[0032] The usage process of the present utility model is as follows:

[0033] During operation, the motor 5 and the speed reducer 6 drive the drive gear 7 to rotate. The drive gear 7 causes the outer ring of the slewing bearing 2 to rotate, thereby driving the slewing hopper 3 to rotate within the distributing cylinder 8. The discharging opening 16 of the slewing hopper 3 rotates to the feeding opening 17 of the chute where the material needs to be conveyed. At this time, the material carried by the conveyor belt enters directly into the interior of the slewing hopper 3 through the receiving hopper 1, is conveyed to the corresponding feeding opening 17 of the chute through the discharging opening 16 of the slewing hopper 3, and is conveyed to the opposite conveyor belt through the discharging opening 18 of the chute, completing the conveyance of the material. When it is necessary to adjust the conveyor belts in different directions, the control room issues a signal, the motor 5 rotates, and the slewing hopper 3 is slewed to the discharging chute 9 opposite to the conveyor belts in different directions through the drive gear 7, and the material is conveyed onto the predetermined conveyor belt.

[0034] An embodiment of the present utility model is as follows:

[0035] The receiving hopper 1 is made of 12-mm thick steel plate, with the upper opening having a length of 2,200 mm, a width of 1,200 mm, the lower discharging opening having a diameter of 1,400 mm, and the overall height being 2,800 mm;

[0036] The slewing bearing 2 is a four-point contact ball bearing of model 1787 / 1460K, with an inner diameter of 1,460 mm. The diameters of the upper and lower screw holes 20 and 21 on the bearing are 26 mm, and the number is 40, which are evenly arranged along the circumferential direction;

[0037] The slewing hopper 3 is a cylinder made of 16-mm thick steel plate, with a diameter of 1,632 mm, an overall height of 3,600 mm, the angle between the upper and lower parts being 120°, the feeding opening 15 of the slewing hopper having a diameter of 1,600 mm, and the height of the discharging opening 16 of the slewing hopper being 1,650 mm;

[0038] The inner ring connecting plate 10 has a thickness of 16 mm, an outer diameter of 1,830 mm, an inner diameter of 1,600, the diameter of the inner ring connecting holes 11 being 26 mm, and the number being 40, which are evenly arranged along the circumferential direction;

[0039] The outer ring connecting plate 12 has a thickness of 16 mm, an outer diameter of 1,830 mm, an inner diameter of 1,600, the diameter of the outer ring connecting holes 13 being 26 mm, and the number being 40, which are evenly arranged along the circumferential direction;

[0040] The connecting bolt 14 is an external hexagonal bolt of M24×420 mm;

[0041] The motor 5 and the speed reducer 6 are a SEW KF127-DV132ML type three-in-one drive unit;

[0042] The outer diameter of the drive gear 7 is 372 mm, the inner diameter is 110 mm, the pitch diameter is 348 mm, the thickness is 210 mm, and the number of teeth is 29;

[0043] The material distribution cylinder 8 is made of 16-mm-thick steel plate, with an overall height of 7600 mm, a circular opening diameter of 2500 mm at the upper end, a chute width of 1600 mm and a height of 6000 mm for the blanking chute 9.

Claims

1. A multi-channel material distribution device for a coal transfer tower hopper, characterized in that: It comprises a receiving hopper (1), a slewing bearing (2), a slewing hopper (3), a motor base plate (4), a motor (5), a speed reducer (6), a driving gear (7), and a material distributing barrel (8). The upper end of the receiving hopper (1) is fixed on a transfer tower steel structure, the inner ring of the slewing bearing (2) is fixed on the outer periphery of the lower end of the receiving hopper (1), the outer ring of the slewing bearing (2) is connected to the upper end of the slewing hopper (3), the motor base plate (4) is welded and fixed on the side wall of the receiving hopper (1) above the slewing bearing (2), the motor (5) and the speed reducer (6) are fixed on the motor base plate (4), the output shaft of the speed reducer (6) is vertically downward, and the driving gear (7) is connected to the upper end of the slewing hopper (3). ) is sleeved on the output shaft of the reducer (6), the outer ring of the slewing bearing (2) is a gear structure, the outer ring gear of the slewing bearing (2) is meshed with the driving gear (7), the slewing funnel (3) is a bent cylinder, the material distribution cylinder (8) is a cylindrical body, the upper end of the material distribution cylinder (8) is fixedly connected to the transfer tower steel structure, and the lower end of the material distribution cylinder (8) is evenly distributed with a plurality of material discharge chutes (9), the lower bent portion of the slewing funnel (3) penetrates into the material distribution cylinder (8), the lower end of the slewing funnel (3) is opposite to the upper end of the material discharge chute (9) of the material distribution cylinder (8), and the lower ends of the plurality of material discharge chutes (9) are respectively opposite to the conveyor belt surfaces of the plurality of belt conveyors.

2. The multi-channel material distribution device of the coal transfer tower hopper according to claim 1 is characterized in that: Two parallel annular inner ring connecting plates (10) are respectively welded to the outer circumference of the lower end of the receiving funnel (1), and the circumferences of the two inner ring connecting plates (10) are uniformly distributed with inner ring connecting holes (11). The inner ring of the slewing bearing (2) is located below the inner ring connecting plates (10), and the circumference of the inner ring of the slewing bearing (2) is uniformly distributed with bearing upper screw holes (20), and the bearing upper screw holes (20) are opposite to the inner ring connecting holes (11) of the inner ring connecting plates (10). The inner ring of the slewing bearing (2) is fixedly connected to the inner ring connecting plate (10) at the lower end of the receiving funnel (1) by connecting bolts (14).

3. The multi-channel material distribution device of the coal transfer tower hopper according to claim 1 is characterized in that: Two parallel annular outer ring connecting plates (12) are respectively welded to the outer circumference of the upper end of the rotary funnel (3), and the circumferences of the two outer ring connecting plates (12) are evenly distributed with outer ring connecting holes (13). The outer ring of the rotary bearing (2) is located above the outer ring connecting plates (12), and the circumference of the outer ring of the rotary bearing (2) is evenly distributed with bearing lower screw holes (21), and the bearing lower screw holes (21) are opposite to the outer ring connecting holes (13) of the outer ring connecting plates (12). The outer ring of the rotary bearing (2) is fixedly connected to the outer ring connecting plates (12) by connecting bolts (14).

4. The multi-channel material distribution device of the coal transfer tower hopper according to claim 1 is characterized in that: There are four material discharge chutes (9) on the bottom surface of the material distribution barrel (8), and the four material discharge chutes (9) are respectively located on the circumferential edge of the bottom surface of the material distribution barrel (8). The upper ends of the four material discharge chutes (9) are respectively located on the rotation track of the lower end of the bent part of the rotary funnel (3). The diameter of the chute feed port (17) at the upper end of the four material discharge chutes (9) is larger than the diameter of the rotary funnel discharge port (16) at the lower end of the rotary funnel (3). The lower parts of the four material discharge chutes (9) are respectively inclined toward the conveyor belt directions of the four belt conveyors. The upper end of the material distribution barrel (8) is equipped with an openable sealing cover (19).

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