Blockage removing structure for blanking pipe
By introducing a combination design of bearing seat, cleaning tool and sealing structure into the blanking pipe, the materials are blocked and worn, and efficient cleaning effect and sealing properties are achieved.
Patent Information
- Application Number
- CN202421803923.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-07-29
AI Technical Summary
During the cleaning and blocking process of existing blocking devices, fine coal slags and coal chips are easily entered into the device, causing wear, and when the materials contain mud or moisture, the inclined channels are easily blocked.
A blanking pipe cleaning structure is designed, including a bearing seat, a cleaning tool, a sealing ring and a motor-driven gear transmission system. The sealing structure and the rotational agitation of the cleaning tool are prevented from being blocked, and materials are prevented by a combined sealing structure of the inclined sealing part, a rotating support part and a flow guide part.
It effectively prevents the blockage of materials inside the blanking pipe, reduces the wear of the cleaning device, and improves the cleaning efficiency and sealing.
Smart Images
Figure CN223046656U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a plugging removal device, in particular to a plugging removal structure for a blanking pipe. Background Art
[0002] With the development of society, the coal or other materials used in factories and enterprises show diversity. An important step in the use of coal or other materials is to be transported through a blanking pipe. Normal dry coal enters the inclined channel and directly rolls down along the inclined channel. However, when the coal or other materials contain mud or a large amount of moisture, blockage and adhesion always occur on the inner wall of the inclined channel. At this time, a plugging removal device is needed.
[0003] During the process of cleaning the blockage by the plugging removal device, some relatively fine coal cinder and coal dust will enter the internal structure of the plugging removal device through the gaps at the joints, causing wear of the plugging removal device. Now, a plugging removal structure for a blanking pipe is proposed. Summary of the Utility Model
[0004] The main purpose of the utility model is to provide a plugging removal structure for a blanking pipe to solve the above problems.
[0005] To achieve the above purpose, according to one aspect of the utility model, a plugging removal structure for a blanking pipe is provided, which includes a bearing seat. The bearing seat is fixedly installed at the middle position between the upper and lower blanking pipes. A plugging removal bearing for driving a plugging removal knife to rotate is rotatably installed in the bearing seat. The plugging removal bearing includes an inner bearing ring and an outer bearing ring that rotates in cooperation with it. The outer bearing ring is rotatably connected to the inside of the bearing seat. A sealing ring is fixedly connected to the inner wall of the outer bearing ring. It also includes;
[0006] A plugging removal knife, which is fixedly installed on the side wall of the sealing ring. The plugging removal knife stirs the raw materials inside the blanking pipe to prevent the raw materials from being blocked inside the blanking pipe.
[0007] Flanges, which are provided in two groups, are respectively located at the top and bottom of the bearing seat and are used to connect the upper and lower blanking pipes.
[0008] Among them, there is a rotation gap a between the top of the inner cavity of the bearing seat and the top of the outer bearing ring, and there is a rotation gap b between the top of the outer bearing ring and the inner bearing ring. Among them, sealing structures are arranged between the rotation gap a and the rotation gap b. The sealing structures are respectively composed of an inclined sealing part, a rotating support part and a diversion part.
[0009] Furthermore, the inclined sealing part includes an outer inclined retaining ring. The outer inclined retaining ring is fixedly connected to the lower surface of the top flange. A fixed ring is fixedly installed on the surface of the outer bearing ring. The fixed ring is attached to one side of the outer inclined retaining ring. The upper part of the outer inclined retaining ring is inclined.
[0010] Furthermore, the rotation support portion includes a limiting groove, the limiting groove is opened on the lower surface of the top flange, a limiting ring is fixedly installed on the surface of the outer ring of the bearing, and the limiting ring is rotatably connected inside the limiting groove.
[0011] Furthermore, the guide part includes a right guide ring and a left guide ring, the right guide ring is fixedly mounted on the surface of the bearing outer ring, the left guide ring is fixedly mounted on the lower surface of the top flange, a friction gap is arranged between the right guide ring and the left guide ring, and a plurality of inner inclined retaining rings are staggered in the friction gap.
[0012] Furthermore, a plurality of teeth are fixedly provided on the side wall of the outer ring of the bearing, a motor is fixedly installed on the right side of the bearing seat, a gear is fixedly installed on the output shaft of the motor, and the gear is meshed with the outer ring of the bearing for transmission.
[0013] Furthermore, a bearing inner ring is fixedly installed inside the bearing seat, the bearing inner ring is fixedly connected to the upper surface of the reverse flange, and the inner wall of the bearing outer ring is fitted with the outer wall of the bearing inner ring.
[0014] Furthermore, the bearing seat, two sets of flanges, the bearing outer ring and the bearing inner ring are all provided with through holes, and the through holes in the bearing seat, two sets of flanges, the bearing outer ring and the bearing inner ring are in the same vertical plane, and the clearing knife is rotatably connected to the through holes in the bearing seat, two sets of flanges, the bearing outer ring and the bearing inner ring.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1. Three sets of sealing structures are set, which are the inclined sealing part, the rotating support part and the guide part from the inside to the outside. The inclined sealing part is provided with an outer inclined baffle ring, and the upper part of the outer inclined baffle ring is inclined to block the overflowed raw materials for the first time. The rotating support part is provided with a limit ring and a limit groove. Through the cooperation of the two, the outer ring of the bearing can rotate under the top flange, and further play a sealing role. The guide part is provided with a right guide ring and a left guide ring, and an inner inclined baffle ring is provided between the two to further block the overflowed raw materials.
[0017] 2. A motor is provided, and the meshing action of the gear and the teeth enables the outer ring of the bearing to rotate inside the bearing seat. When the outer ring of the bearing rotates, the clearing knife on the surface of the sealing ring rotates, thereby stirring the raw materials inside the blanking pipe to achieve the clearing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0020] Figure 3 This is a schematic structural diagram of the outer bearing ring and the inner bearing ring of the present utility model;
[0021] Figure 4 This is an enlarged schematic diagram of the structure at position A of the present utility model.
[0022] Illustration: 1. Bearing seat; 11. Outer bearing ring; 12. Teeth; 13. Sealing ring; 14. Limiting ring; 15. Inner bearing ring; 16. Through hole; 17. Gear groove; 18. Fixed ring; 19. Right diversion ring; 2. Flange; 21. Outer inclined retaining ring; 22. Limiting groove; 23. Left diversion ring; 24. Inner inclined retaining ring; 3. Blockage clearing knife; 4. Motor; 41. Gear. Detailed implementation manners
[0023] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following will, in conjunction with the accompanying drawings and preferred embodiments, describe in detail the specific implementation manners, structures, features and their effects of the present utility model as follows.
[0024] Please refer to Figures 1 to 4 , a blanking pipe blockage clearing structure provided by an embodiment of the present utility model, including a bearing seat 1, the bearing seat 1 is fixedly installed at the middle position between the upper and lower two blanking pipes, a blockage clearing bearing for driving the blockage clearing knife 3 to rotate is rotatably installed in the bearing seat 1, the blockage clearing bearing includes an inner bearing ring 15 and an outer bearing ring 11 that rotates in cooperation with it, the outer bearing ring 11 is rotatably connected to the inside of the bearing seat 1, a sealing ring 13 is provided at the top of the inner wall of the outer bearing ring 11, the sealing ring 13 extends and covers the surface of the inner bearing ring 15, and the sealing ring 13 is used to seal the dynamic and static joint between the inner bearing ring 15 and the outer bearing ring 11 to prevent raw materials from leaking from the gap between the inner bearing ring 15 and the outer bearing ring 11. It also includes;
[0025] The blockage clearing knife 3 is fixedly installed on the side wall of the sealing ring 13, and the blockage clearing knife 3 is in close contact with the inner wall of the blanking pipe. The blockage clearing knife 3 stirs the raw materials inside the blanking pipe to prevent the raw materials from being blocked inside the blanking pipe;
[0026] Two groups of flanges 2 are provided, respectively located at the top and bottom of the bearing seat 1, for connecting the upper and lower two blanking pipes;
[0027] Among them, there is a rotational gap a between the top of the inner cavity of the bearing seat 1 and the top of the outer bearing ring 11, and there is a rotational gap b between the top of the outer bearing ring 11 and the top of the inner bearing ring 15. Among them, a sealing structure is provided between the rotational gap a and the rotational gap b, and the sealing structure is respectively composed of an inclined sealing part, a rotational support part and a diversion part.
[0028] Specifically, the inclined sealing part includes an outer inclined retaining ring 21, which is fixedly connected to the lower surface of the top flange 2. A fixing ring 18 is fixedly installed on the surface of the bearing outer ring 11. The fixing ring 18 fits one side of the outer inclined retaining ring 21, and the upper part of the outer inclined retaining ring 21 is inclined.
[0029] In an embodiment of the utility model, the inclined sealing portion is provided with an outer inclined baffle ring 21, which includes an inclined annular structure and a vertical ring. The inclined annular structure is inclined from the top toward the downward material hole, and the fixed ring 18 is fitted with the side wall of the vertical ring. The inclined annular structure is used to block the raw material for the first time.
[0030] Specifically, the rotation support portion includes a limiting groove 22 , which is opened on the lower surface of the top flange 2 , and a limiting ring 14 is fixedly installed on the surface of the bearing outer ring 11 , and the limiting ring 14 is rotatably connected inside the limiting groove 22 .
[0031] In the embodiment of the utility model, the rotating support part is provided with a limit ring 14 and a limit groove 22. Through the cooperation of the two, the outer ring 11 of the bearing can rotate under the top flange 2, and further play a sealing role. The guide part is provided with a right guide ring 19 and a left guide ring 23, and an inner inclined retaining ring 24 is provided between the two to guide the blocked raw materials to the outside.
[0032] Specifically, the guide part includes a right guide ring 19 and a left guide ring 23. The right guide ring 19 is fixedly installed on the lower surface of the top flange 2, and the left guide ring 23 is fixedly installed on the top surface of the bearing outer ring 11. A friction gap is arranged between the right guide ring 19 and the left guide ring 23, and a plurality of inner inclined retaining rings 24 are staggered in the friction gap.
[0033] In the embodiment of the utility model, the inner inclined retaining ring 24 is set to be inclined downward and does not contact each other. When raw materials overflow, the raw materials leak from the gap between the right guide ring 19 and the bearing outer ring 11. At this time, the inner inclined retaining ring 24 is set to be inclined downward and does not contact each other to block the raw materials and prevent them from overflowing from the friction gap.
[0034] Specifically, a plurality of teeth 12 are fixedly provided on the side wall of the bearing outer ring 11 , a motor 4 is fixedly installed on the right side of the bearing seat 1 , a gear 41 is fixedly installed on the output shaft of the motor 4 , and the gear 41 meshes with the bearing outer ring 11 for transmission.
[0035] In the embodiment of the utility model, through the meshing action between the teeth 12 and the gear 41 , when the motor 4 is turned on, the gear 41 is driven to rotate, so that the outer ring 11 of the bearing can rotate.
[0036] Specifically, a bearing inner ring 15 is fixedly installed inside the bearing housing 1. The bearing inner ring 15 is fixedly connected to the upper surface of the reverse flange 2, and the inner wall of the bearing outer ring 11 is fitted with the outer wall of the bearing inner ring 15.
[0037] In the embodiment of the present utility model, the bearing inner ring 15 is connected to the reverse flange 2, and the bearing outer ring 11 covers the surface of the bearing inner ring 15 to further limit the position of the bearing outer ring 11.
[0038] Specifically, through holes 16 are provided inside the bearing housing 1, the two groups of flanges 2, the bearing outer ring 11 and the bearing inner ring 15. The through holes 16 inside the bearing housing 1, the two groups of flanges 2, the bearing outer ring 11 and the bearing inner ring 15 are in the same vertical plane. The clog clearing knife 3 is rotatably connected inside the through holes 16 of the bearing housing 1, the two groups of flanges 2, the bearing outer ring 11 and the bearing inner ring 15.
[0039] In the embodiment of the present utility model, the through hole 16 is a blanking hole, and raw materials are conveyed through the inside of the through hole 16. The clog clearing knife 3 rotates inside the through hole 16 to stir the raw materials inside the two side blanking pipes, thereby preventing the raw materials from being blocked.
[0040] Specifically, a gear groove 17 is provided on the right side inside the bearing housing 1, and the gear 41 is rotatably connected inside the gear groove 17.
[0041] In the embodiment of the present utility model, the gear groove 17 protects the gear 41 to prevent the surface of the gear 41 from contacting coal cinder and coal dust, causing wear.
[0042] During use, first start the motor 4. The motor 4 drives the gear 41 to rotate. The gear 41 meshes with the teeth 12 on the surface of the bearing outer ring 11, so that the bearing outer ring 11 can rotate. The sealing ring 13 on the surface of the bearing outer ring 11 drives the clog clearing knife 3 to rotate. The two ends of the clog clearing knife 3 extend into the inside of the two side blanking pipes to stir the raw materials, thereby preventing the raw materials from being blocked. While the clog clearing knife 3 stirs the raw materials, part of the coal cinder and coal dust flow into the connection gap between the bearing housing 1 and the flange 2 due to vibration. At this time, the upper part of the outer inclined retaining ring 21 of the inclined sealing part is inclined, which can first block the raw materials and prevent the raw materials from overflowing. The rotating support part is provided with a limiting ring 14 and a limiting groove 22. Through the cooperation of the two, the bearing outer ring 11 can rotate under the top flange 2, and at the same time further play a sealing role.
[0043] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content without departing from the technical solution of the present utility model. However, as long as it does not depart from the technical solution content of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims
1. A material drop pipe clearing structure, comprising a bearing seat (1), characterized in that: The bearing seat (1) is fixedly mounted in the middle of the upper and lower blanking tubes. A clearing bearing for driving the clearing knife (3) to rotate is rotatably mounted in the bearing seat (1). The clearing bearing comprises a bearing inner ring (15) and a bearing outer ring (11) rotatably matched therewith. The bearing outer ring (11) is rotatably connected to the inside of the bearing seat (1). A sealing ring (13) is arranged on the top of the inner wall of the bearing outer ring (11). The sealing ring (13) extends to and covers the surface of the bearing inner ring (15). The clearing bearing also comprises: A clearing knife (3), the clearing knife (3) is fixedly mounted on the side wall of the sealing ring (13), and the clearing knife (3) stirs the raw material inside the blanking pipe to prevent the raw material from being blocked inside the blanking pipe; Flanges (2), the flanges (2) are arranged in two groups, respectively located at the top and bottom of the bearing seat (1), and used to connect the upper and lower drop pipes; There is a rotation gap a between the top of the inner cavity of the bearing seat (1) and the top of the bearing outer ring (11), and there is a rotation gap b between the bearing outer ring (11) and the top of the bearing inner ring (15), wherein a sealing structure is provided between the rotation gap a and the rotation gap b, and the sealing structure is respectively composed of an inclined sealing part, a rotation support part and a guide part.
2. The drop pipe clearing structure according to claim 1, characterized in that: The inclined sealing portion comprises an outer inclined retaining ring (21), the outer inclined retaining ring (21) is fixedly connected to the lower surface of the top flange (2), a fixing ring (18) is fixedly installed on the surface of the bearing outer ring (11), the fixing ring (18) is in contact with one side of the outer inclined retaining ring (21), and the upper part of the outer inclined retaining ring (21) is inclined.
3. The drop pipe clearing structure according to claim 1, characterized in that: The rotating support portion comprises a limiting groove (22), wherein the limiting groove (22) is provided on the lower surface of the top flange (2), and a limiting ring (14) is fixedly mounted on the surface of the bearing outer ring (11), wherein the limiting ring (14) is rotatably connected inside the limiting groove (22).
4. The drop pipe clearing structure according to claim 1, characterized in that: The guide part comprises a right guide ring (19) and a left guide ring (23); the right guide ring (19) is fixedly mounted on the surface of the bearing outer ring (11); the left guide ring (23) is fixedly mounted on the lower surface of the top flange (2); a friction gap is arranged between the right guide ring (19) and the left guide ring (23); and a plurality of inner inclined retaining rings (24) are arranged alternately in the friction gap.
5. The drop pipe clearing structure according to claim 1, characterized in that: A plurality of teeth (12) are fixedly arranged on the side wall of the bearing outer ring (11); a motor (4) is fixedly mounted on the right side of the bearing seat (1); a gear (41) is fixedly mounted on the output shaft of the motor (4); and the gear (41) is meshed with the bearing outer ring (11) for transmission.
6. The drop pipe clearing structure according to claim 1, characterized in that: A bearing inner ring (15) is fixedly mounted inside the bearing seat (1), and the bearing inner ring (15) is fixedly connected to the upper surface of the bottom flange (2).
7. The drop pipe clearing structure according to claim 5, characterized in that: The bearing seat (1), the two sets of flanges (2), the bearing outer ring (11) and the bearing inner ring (15) are all provided with through holes (16). The bearing seat (1), the two sets of flanges (2), the bearing outer ring (11) and the bearing inner ring (15) have through holes (16) in their interiors, which are located in the same vertical plane.