Bulk pulverized coal collecting and feeding device
By designing a coal powder collection and feeding device with a detachable secondary conveyor shaft, a double-helix structure, and water spray dust suppression, the problems of severe wear and inconvenient maintenance were solved, achieving efficient and environmentally friendly coal powder conveying and maintenance.
Patent Information
- Application Number
- CN202520164471.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing coal powder collection devices require the entire conveyor shaft to be replaced when wear is severe, which is inconvenient and costly to maintain, and lacks dust suppression measures, affecting work efficiency.
A coal powder bulk material collection and feeding device was designed, which includes a detachable secondary conveyor shaft, a double helix structure, water spray dust suppression, and baffles. The detachable secondary conveyor shaft facilitates maintenance, the double helix improves conveying efficiency, the water spray dust suppression protects the environment, and the baffles prevent bulk material from leaking down.
This design achieves an easy-to-maintain conveyor shaft structure, improves pulverized coal conveying efficiency, reduces wear and maintenance costs, protects the environment, and enhances work cycle and safety.
Smart Images
Figure CN223687659U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bulk material collection technical field, concretely is a kind of coal powder bulk material collection feeding device. BACKGROUND
[0002] In the coal transfer yard, coal powder bulk material is mostly stacked in the open air, which needs to be loaded into a vehicle using a dedicated bulk material collection and feeding device for transfer. The existing feeding equipment is installed at the front of the feeding vehicle, and then conveyed to the distributor behind the vehicle through the conveyor belt beside the vehicle. In actual production, the width of the coal pile is large, and during feeding, the end far from the driving wheel end is inserted into the coal pile to gather and feed. During gathering, due to the height and weight of the coal pile, the end inserted into the coal pile is severely worn, which easily affects the efficiency of gathering, so it needs to be replaced frequently, which undoubtedly increases the use cost and affects the working cycle. The existing coal powder bulk material collection device uses an integrated conveying shaft, which needs to be replaced in its entirety when one end is worn, which is not convenient for maintenance. Therefore, a bulk material collection and feeding device that is easy to maintain is needed to meet the needs. SUMMARY
[0003] To solve the above technical problems, the utility model provides a coal powder bulk material collection and feeding device.
[0004] To solve the above technical problems, the utility model adopts the technical scheme: a coal powder bulk material collection and feeding device, which includes a feeding plate, a first bearing fixedly connected to the right end of the feeding plate, a second bearing fixedly connected to the left part, a conveying shaft rotatably connected between the first bearing and the second bearing, a conveying device connected to the middle part of the feeding plate, an input end of the conveying device located below the conveying shaft, a digging hopper fixedly connected to the conveying shaft above the conveying device, the conveying shaft divided into a right shaft and a left shaft through the digging hopper, a left spiral plate fixedly connected to the right shaft, a right spiral plate fixedly connected to the left shaft, a transmission mechanism fixedly connected to the right end of the conveying shaft through the first bearing, a secondary conveying shaft detachably connected to the left end of the conveying shaft, and the right spiral plate fixedly connected to the secondary conveying shaft.
[0005] Further, the left end of the conveying shaft is fixedly connected with an extension shaft, and the secondary conveying shaft is sleeved on the extension shaft.
[0006] Further, a first limiting hole is formed in the secondary conveying shaft, a second limiting hole is formed in the extension shaft, and the first limiting hole and the second limiting hole are fixedly connected in position by a fixed rod.
[0007] Further, a connecting frame is connected to the rear of the feeding plate.
[0008] Further, the connecting frame is fixedly connected with a water spraying frame, the top of the water spraying frame is fixedly connected with a water spraying pipe, a plurality of water spraying holes are formed in the water spraying pipe, and a water inlet pipe is communicated with the water spraying pipe.
[0009] Further, the left spiral plate and the right spiral plate are fixedly connected with stirring teeth inclined towards the material digging hopper.
[0010] Further, the upper feeding plate is fixedly connected with a baffle at the rear portion.
[0011] Further, the conveying device is a conveying belt, and the conveying belt is controlled by a motor.
[0012] Further, the transmission mechanism is one of a chain wheel, a belt wheel and a gear.
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] 1. The utility model sets up the double helix of opposite direction, facilitates the direction movement of coal powder to the conveying belt, is convenient for collecting coal powder bulk material, sets up the material digging hopper, because coal powder is heavy, utilizes the material digging hopper and can pour coal powder on the conveying belt, is convenient for feeding, sets up the detachable connection of auxiliary conveying shaft, and the end of being easy to wear is replaced conveniently, is convenient for maintaining, thereby avoid the disassembly of whole conveying shaft because of local wear.
[0015] 2. The utility model sets up the water spraying pipe, when feeding, carries out water spraying dust suppression to coal powder bulk material, is favorable to environmental protection, and can protect the health of staff simultaneously.
[0016] 3. The utility model sets up the stirring tooth, improves the conveying efficiency of coal powder, and can also break the caked coal powder.
[0017] 4. The utility model sets up the baffle, prevents coal powder bulk material from leaking down when conveying. DRAWINGS
[0018] Figure 1 It is the structure schematic view of the utility model.
[0019] Figure 2 It is the structure schematic view of the upper feeding plate of the utility model.
[0020] Figure 3 It is the structure schematic view of the material digging hopper of the utility model.
[0021] Figure 4 It is the structure schematic view of the stirring tooth of the utility model.
[0022] Wherein: 1, the feeding plate, 2, the conveying shaft, 2a, the right shaft, 2b, the left shaft, 3, the left spiral plate, 4, the right spiral plate, 5, the digging hopper, 6, the first bearing, 7, the second bearing, 8, the transmission mechanism, 9, the auxiliary conveying shaft, 10, the baffle, 11, the conveying belt, 12, the motor, 13, the connecting frame, 14, the water spraying frame, 15, the water spraying pipe, 16, the water inlet pipe, 17, the extension shaft, 18, the second limiting hole, 19, the first limiting hole, 20, the stirring tooth. DETAILED DESCRIPTION
[0023] The utility model will be further explained in connection with the drawings below.
[0024] As Figures 1-4 The utility model provides a kind of coal powder bulk material collection feeding device, including feeding plate 1, the right end of feeding plate 1 is fixedly connected with first bearing 6, left part is fixedly connected with second bearing 7, conveying shaft 2 is rotatably connected between first bearing 6 and second bearing 7, conveying device is connected in the middle of feeding plate 1, the input end of conveying device is located below conveying shaft 2, digging hopper 5 is fixedly connected on conveying shaft 2 above conveying device, conveying shaft 2 is divided into right shaft 2a and left shaft 2b by digging hopper 5, left spiral plate 3 is fixedly connected on right shaft 2a, right spiral plate 4 is fixedly connected on left shaft 2b, conveying shaft 2 right end is fixedly connected with transmission mechanism 8 and passes through first bearing 6, conveying shaft 2 left end is detachably connected with auxiliary conveying shaft 9, right spiral plate 4 is fixedly connected on auxiliary conveying shaft 9.
[0025] In order to facilitate replacement of auxiliary conveying shaft 9, the left end of conveying shaft 2 is fixedly connected with extension shaft 17, and auxiliary conveying shaft 9 is sleeved on extension shaft 17.
[0026] In order to facilitate disassembly, first limiting hole 19 is formed in auxiliary conveying shaft 9, second limiting hole 18 is formed in extension shaft 17, and first limiting hole 19 and second limiting hole 18 are fixedly connected by using a fixed rod in a position corresponding to each other.
[0027] It should be noted that the fixed rod is one of pin shaft, screw rod, bolt and other fixed rod devices.
[0028] When using a latch and a bolt, first limiting hole 19 and second limiting hole 18 are through holes, and when using a screw rod, first limiting hole 19 and second limiting hole 18 are threaded holes.
[0029] In order to facilitate connection, connecting frame 13 is connected to the rear of feeding plate 1.
[0030] In order to facilitate dust suppression, water spraying frame 14 is fixedly connected to connecting frame 13, water spraying pipe 15 is fixedly connected to the top of water spraying frame 14, a plurality of water spraying holes are formed in water spraying pipe 15, and water inlet pipe 16 is communicated with water spraying pipe 15.
[0031] It needs to be explained that the water inlet pipe 16 is communicated with the special dust suppression water tank on the loading vehicle.
[0032] The water spraying hole is arranged to the lower front of the collection device in the advancing direction.
[0033] In order to improve the conveying efficiency of the coal powder, the left spiral plate 3 and the right spiral plate 4 are fixedly connected with the material mixing teeth 20 inclined to the material digging hopper 5.
[0034] In order to prevent the coal powder bulk from scattering, the rear part of the loading plate 1 is fixedly connected with the baffle 10.
[0035] It needs to be explained that the baffle 10 also shields the two sides of the input end of the conveying belt 11.
[0036] In order to provide conveying power, the conveying device is the conveying belt 11, and the conveying belt 11 is controlled by the motor 12.
[0037] It needs to be explained that in the embodiment, the power roller of the conveying belt 11 is controlled by the motor 12 fixedly connected to the outside, and in actual operation, there is also a hidden motor built in the power roller, and the type of the motor is not restricted in the utility model, therefore, any type of motor for controlling the conveying belt 11 will be regarded as the same replacement of the utility model.
[0038] In order to facilitate transmission connection, the transmission mechanism 8 is one of a chain wheel, a belt wheel and a gear.
[0039] It needs to be explained that when the transmission mechanism 8 is the chain wheel, the chain wheel is fixedly connected with the driving chain wheel of the external power output shaft end of the loading vehicle through the chain, and provides power for the conveying shaft 2.
[0040] When the transmission mechanism 8 is the belt wheel, the belt wheel is fixedly connected with the driving belt wheel of the external power output shaft end of the loading vehicle through the belt, and provides power for the conveying shaft 2.
[0041] When the transmission mechanism 8 is the gear, the gear is fixedly connected with the driving gear of the external power output shaft end of the loading vehicle through the transmission shaft, and provides power for the conveying shaft 2.
[0042] The specific working process of the utility model is as follows:
[0043] In operation, the connecting frame 13 is connected to the connector at the front of the feeding vehicle, and the sprocket of the feeding vehicle is connected to the sprocket 8 through a chain. The feeding vehicle moves forward, and the sprocket 8 drives the conveying shaft 2 to rotate. The right helical plate 3 on the left shaft 2a conveys the coal powder to the right, and the left helical plate 4 on the right shaft 2b conveys the coal powder to the left. The digging hopper 5 digs the coal powder gathered by the double-direction helix and pours it on the conveying belt 11, and the conveying belt 11 conveys the coal powder to the distributing device behind the feeding vehicle. At the same time, the dust suppression water tank on the feeding vehicle is connected to the water inlet pipe 16, and the water is sprayed to the coal pile through the water spraying holes on the water spraying pipe 15 to suppress dust.
[0044] In maintenance, the pins in the first limiting hole 19 and the second limiting hole 18 are removed, the auxiliary conveying shaft 9 is removed, and the conveying shaft 2 is removed.
Claims
1. A coal dust bulk material collecting and feeding device comprising a feeding plate (1), characterized in that: The right end of the feeding plate (1) is fixedly connected with a first bearing (6), and the left part is fixedly connected with a second bearing (7), a conveying shaft (2) is rotatably connected between the first bearing (6) and the second bearing (7), a conveying device is connected to the middle of the feeding plate (1), the input end of the conveying device is located below the conveying shaft (2), a digging hopper (5) is fixedly connected to the conveying shaft (2) above the conveying device, the conveying shaft (2) is divided into a right shaft (2a) and a left shaft (2b) through the digging hopper (5), a left spiral plate (3) is fixedly connected to the right shaft (2a), a right spiral plate (4) is fixedly connected to the left shaft (2b), the right end of the conveying shaft (2) penetrates through the first bearing (6) and is fixedly connected with a transmission mechanism (8), a secondary conveying shaft (9) is detachably connected to the left end of the conveying shaft (2), and the right spiral plate (4) is fixedly connected to the secondary conveying shaft (9).
2. The pulverized coal bulk material collecting and feeding device according to claim 1, characterized in that: The left end of the conveying shaft (2) is fixedly connected with an extension shaft (17), and the secondary conveying shaft (9) is sleeved on the extension shaft (17).
3. The pulverized coal bulk material collecting and feeding device according to claim 2, characterized in that: First limiting holes (19) are formed in the secondary conveying shaft (9), and second limiting holes (18) are formed in the extension shaft (17), the positions of the first limiting holes (19) and the second limiting holes (18) correspond to each other and are fixedly connected by a fixing rod.
4. The pulverized coal bulk material collecting and feeding device according to claim 1, characterized in that: The feeding plate (1) is connected with a connecting frame (13).
5. The pulverized coal bulk material collecting and feeding device according to claim 4, characterized in that: A water spraying frame (14) is fixedly connected to the connecting frame (13), a water spraying pipe (15) is fixedly connected to the top of the water spraying frame (14), a plurality of water spraying holes are formed in the water spraying pipe (15), and a water inlet pipe (16) is connected to the water spraying pipe (15).
6. The pulverized coal bulk material collecting and feeding device according to claim 1, characterized in that: The left spiral plate (3) and the right spiral plate (4) are fixedly connected with stirring teeth (20) inclined towards the digging hopper (5).
7. The pulverized coal bulk material collecting and feeding device according to claim 1, characterized in that: The rear part of the feeding plate (1) is fixedly connected with a baffle (10).
8. The pulverized coal bulk material collecting and feeding device according to claim 1, characterized in that: The conveying device is a conveying belt (11), and the conveying belt (11) is controlled by a motor (12).
9. The pulverized coal bulk material collecting and feeding device according to claim 1, characterized in that: The transmission mechanism (8) is one of a chain wheel, a belt wheel and a gear.