CN218859475U

CN218859475U - Novel plate link chain bucket elevator tail pulley

Info

Publication number: CN218859475U
Application number: CN202223128238.1U
Authority: CN
Inventors: 郭世伟; 何彪; 李鑫; 刘金生; 王昭恒; 许健; 单庆锐
Original assignee: Laishui Jinyu Jidong Environmental Protection Technology Co ltd
Current assignee: Laishui Jinyu Jidong Environmental Protection Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-14
Anticipated expiration: 2032-11-24

Abstract

The utility model provides a novel plate link chain bucket elevator tailwheel belongs to plate link chain bucket elevator tailwheel technical field. It has solved the poor problem that accompanies life decline of sealed effect of current board chain bucket elevator tail wheel department. The tail wheel of the novel plate chain bucket elevator comprises a tail wheel shaft, a bearing seat, a labyrinth sealing plate and a material activating scraper blade are sequentially sleeved on the tail wheel shaft from left to right, a first sealing structure is arranged between the bearing seat and the tail wheel shaft, a second sealing structure is arranged between the labyrinth sealing plate and the bearing seat, and a third sealing structure is arranged between the material activating scraper blade and the tail wheel shaft. According to the design, the first sealing structure is designed between the bearing seat and the tail wheel shaft, the second sealing structure is designed between the labyrinth sealing plate and the bearing seat, the third sealing structure is designed between the material activating scraper and the tail wheel shaft, and the three sealing structures ensure that fine materials can not pass through, so that the sealing effect is greatly improved, and the service life of the elevator is prolonged.

Description

Novel plate link chain bucket elevator tail pulley

Technical Field

The utility model relates to a belong to plate chain bucket elevator technical field, relate to a lifting machine tailwheel, in particular to novel plate chain bucket elevator tailwheel.

Background

Many lifting machine tail-wheel seal designs the structure loaded down with trivial details, by the bearing end cover, the outside bearing, the inside bearing, the outside bearing pedestal, the inside bearing pedestal, shaft seal etc. is constituteed, the result of use is relatively poor, in normal operating, the material is through upstream equipment feeding lifting machine tail, promote the material through the lifting machine hopper and carry, nevertheless can appear both sides scattering in the hopper loading material in-process, the partial material that scatters can appear solidifying phenomenon because of receiving moisture and extrusion reason, it is higher more to scatter the material, until reaching the shaft seal position, make the shaft seal lip type sealing washer damage back, the material gets into the inside bearing room and leads to the inside bearing to damage, not only the inside bearing maintenance time is longer, and the outside bearing is because of unable not damaged removal, can only destructiveness demolishs, maintenance cost and maintenance degree of difficulty have more increased, seriously influence production operation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel plate link chain bucket elevator tailwheel. It solves the technical problem that the sealing effect at the tail wheel of the existing plate chain bucket elevator is poor and the service life is reduced.

In order to realize the purpose, the utility model adopts the technical scheme that:

the utility model provides a novel plate link chain bucket elevator tailwheel, includes the tailwheel axle, the tailwheel axle is equipped with bearing frame, labyrinth seal board and material activating scraper blade from left to right side cover in proper order, be provided with first seal structure between bearing frame and the tailwheel axle, be provided with second seal structure between labyrinth seal board and the bearing frame, be provided with third seal structure between material activating scraper blade and the tailwheel axle.

According to the design, the first sealing structure is designed between the bearing seat and the tail wheel shaft, the second sealing structure is designed between the labyrinth sealing plate and the bearing seat, the third sealing structure is designed between the material activating scraper and the tail wheel shaft, and the three sealing structures ensure that fine materials can not pass through, so that the sealing effect is greatly improved, and the service life of the elevator is prolonged.

In foretell novel flat-link chain bucket elevator tailwheel, the inboard on the bearing frame is equipped with and is annular bearing frame, first seal structure is including inlaying the axle sealing washer one of locating in the constant head tank, just axle sealing washer one is the lip.

The first sealing structure is arranged on the bearing seat, and the shaft sealing ring I with the lip shape is used for sealing, so that the sealing effect is good.

In the tail wheel of the novel plate chain bucket elevator, the second sealing structure comprises a first annular positioning groove and a second annular positioning groove which are formed in two sides of the inner peripheral surface of the labyrinth sealing plate, and a shaft sealing ring II is embedded in each of the first annular positioning groove and the second annular positioning groove.

A second sealing structure: and the shaft seal ring II is arranged on the labyrinth seal plate to be in contact with the tail wheel shaft, so that the leakage of lubricating grease in the labyrinth seal plate is prevented while the dust in the plate chain bucket elevator is prevented.

In the above-mentioned novel plate link chain bucket elevator tailwheel, axle sealing washer two is the loop configuration and its lateral part has seted up annular groove of stepping down along its circumference.

In the tail wheel of the novel plate chain bucket elevator, the notch of the abdicating groove of the shaft sealing ring in the first annular positioning groove and the second annular positioning groove is oppositely arranged.

In the above tail pulley of the novel plate link chain bucket elevator, the second sealing structure further includes a plurality of annular labyrinth grooves formed in the inner circumferential surface of the labyrinth sealing plate, and lubricating grease is filled in the labyrinth grooves.

The key is that the opening of labyrinth groove, above-mentioned labyrinth sealing plate adopt cast steel material to process and form, and several labyrinth grooves of internal processing are filled with lubricating grease with the labyrinth groove, reduce and the tail-wheel shaft between frictional force, through almost seamless contact, guarantee that comparatively tiny material can't pass through.

In the tail pulley of the novel plate chain bucket elevator, the clearance between the inner peripheral surface of the labyrinth sealing plate and the tail pulley shaft is less than 1mm.

In the tail wheel of the novel plate chain bucket elevator, wool felt is arranged on the side part of the labyrinth sealing plate, which is close to the live material scraper.

In the above-mentioned novel plate link chain bucket elevator tailwheel, wool felt and labyrinth sealing plate compress tightly fixedly through the bolt.

In the above-mentioned novel plate link chain bucket elevator tailwheel, the third seal structure is that the material activating scraper blade is installed on the tailwheel shaft through the mode of staple bolt.

A third sealing structure: the detachable installation that the material scraper blade that lives adopted wear-resisting material to cast out, through the form of staple bolt and fixed back of tailwheel axle, through the rotation of tailwheel axle, can't continuously pile up the material that the hopper can't touch to the axle sealing washer position in the time, and will touch the material of touching and scrape to middle direction and get, make the material more concentrate the entering hopper.

The utility model has the advantages that:

1. the first sealing structure is arranged on the bearing seat, and the shaft sealing ring I with the lip shape is used for sealing, so that the sealing effect is good.

2. A second sealing structure: the shaft sealing ring II is arranged on the labyrinth sealing plate and is in contact with the tail wheel shaft, so that dust in the plate chain bucket type lifter is prevented, and lubricating grease in the labyrinth sealing plate is prevented from leaking;

3. the labyrinth grooves are most critical to be formed, the labyrinth sealing plate is made of cast steel, a plurality of labyrinth grooves are formed in the labyrinth sealing plate, lubricating grease is filled in the labyrinth grooves, the friction force between the labyrinth grooves and a tail wheel shaft is reduced, and fine materials cannot pass through the labyrinth sealing plate by almost seamless contact;

4. a third sealing structure: the detachable installation that the material scraper blade that lives adopted wear-resisting material to cast out, through the form of staple bolt and fixed back of tailwheel axle, through the rotation of tailwheel axle, can't continuously pile up the material that the hopper can't touch to the axle sealing washer position in the time, and will touch the material of touching and scrape to middle direction and get, make the material more concentrate the entering hopper.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a tail wheel shaft; 2. a bearing seat; 21. positioning a groove; 3. a labyrinth sealing plate; 31. a first annular positioning groove; 32. a second annular positioning groove; 33. a labyrinth groove; 4. a material activating scraper; 5. a first shaft seal ring; 6. a second shaft seal ring; 61. a yielding groove; 7. wool felt.

Detailed Description

As shown in fig. 1, the tail wheel of the novel plate link chain bucket elevator comprises a tail wheel shaft 1, wherein a bearing seat 2, a labyrinth sealing plate 3 and a material activating scraper 4 are sequentially sleeved on the tail wheel shaft 1 from left to right, a first sealing structure is arranged between the bearing seat 2 and the tail wheel shaft 1, a second sealing structure is arranged between the labyrinth sealing plate 3 and the bearing seat 2, and a third sealing structure is arranged between the material activating scraper 4 and the tail wheel shaft 1. This design is through designing first seal structure between bearing frame 2 and trailing axle 1, design second seal structure between labyrinth seal board 3 and bearing frame 2, design third seal structure between material scraper blade 4 and trailing axle 1 alive, guarantees through three seal structure that comparatively tiny material can't pass through, has improved sealed effect greatly, improves the life of lifting machine. The inner side of the bearing seat 2 is provided with an annular bearing seat 2, the first sealing structure comprises a first shaft sealing ring 5 embedded in the positioning groove 21, and the first shaft sealing ring 5 is in a lip shape. The first sealing structure is arranged on the bearing seat 2, and a lip-shaped shaft sealing ring I5 is used for sealing, so that the sealing effect is good.

The second sealing structure comprises a first annular positioning groove 31 and a second annular positioning groove 32 which are arranged on two sides of the inner circumferential surface of the labyrinth sealing plate 3, and a second shaft sealing ring 6 is embedded in the first annular positioning groove 31 and the second annular positioning groove 32. A second sealing structure: the shaft seal ring II 6 is arranged on the labyrinth seal plate 3 and is in contact with the tail wheel shaft 1, so that the internal dust raising of the plate chain bucket elevator is prevented, and meanwhile, the external leakage of lubricating grease in the labyrinth seal plate 3 is prevented. The second shaft sealing ring 6 is of an annular structure, and the side part of the second shaft sealing ring is provided with an annular abdicating groove 61 along the circumferential direction of the second shaft sealing ring. The notches of the receding grooves 61 of the shaft sealing rings in the first annular positioning groove 31 and the second annular positioning groove 32 are arranged oppositely. The second sealing structure further comprises a plurality of annular labyrinth grooves 33 formed on the inner circumferential surface of the labyrinth sealing plate 3, and grease is filled in the labyrinth grooves 33. The most critical point is to open the labyrinth grooves 33, the labyrinth sealing plate 3 is made of cast steel, a plurality of labyrinth grooves 33 are machined inside the labyrinth sealing plate, the labyrinth grooves 33 are filled with lubricating grease, the friction force between the labyrinth grooves and the tail wheel shaft 1 is reduced, and the fact that fine materials cannot pass through the labyrinth sealing plate is guaranteed through almost seamless contact. The clearance between the inner peripheral surface of the labyrinth seal plate 3 and the tail wheel shaft 1 is less than 1mm. The side part of the labyrinth sealing plate 3 close to one side of the live material scraper 4 is provided with wool felt 7. The wool felt 7 and the labyrinth sealing plate 3 are pressed and fixed through bolts.

The third sealing structure is that the material activating scraper 4 is arranged on the tail wheel shaft 1 in a hoop mode. A third sealing structure: the detachable installation that live material scraper blade 4 adopted wear-resistant material to cast out is fixed back through the form of staple bolt and tail-wheel axle 1, through tail-wheel axle 1's rotation, can't continuously pile up the material that the hopper can't touch to the axle sealing washer position in the time, and will touch the material and scrape to middle direction and get, make the material more concentrate the entering hopper.

The detailed structure comprises a tail wheel shaft 1, a shaft sealing ring, a labyrinth sealing plate 3, a wool felt 7, a material activating scraper 4, a bearing seat 2, a bearing end cover, a bearing and the like.

The material moving scraper 4 is arranged on the tail wheel shaft 1, is fixed in a hoop form, fixedly compresses the wool felt 7 and the labyrinth sealing plate 3 through bolts, is arranged on the tail wheel shaft 1, and is used for fixing the labyrinth sealing plate 3 to be attached to the shell in a pressure spring form, so that gap leakage is prevented, and the gap leakage is convenient to move up and down; the bearing seat 2 is arranged on the tail wheel shaft 1, the shaft sealing ring is reversely arranged in the positioning groove 21 of the bearing seat 2, dust is prevented from entering, and then the bearing and the bearing end cover are arranged on the bearing seat 2 one by one.

This device adopts three sealed designs, and first department, but live material scraper blade 4 adopt the cast components of split body installation and scraper blade of wear-resisting material to have 30 parts, through the form of staple bolt and fixed back of tail-wheel axle 1, through the rotation of tail-wheel axle 1, when can't continuously pile up to axle sealing washer position with the material that the hopper can't touch, and scrape the material that touches to middle direction and get, make the material more concentrate and get into the hopper. And the second part is that the double-lip sealing ring adopted by the shaft sealing ring is arranged on the labyrinth sealing plate 3 to be in contact with the tail wheel shaft 1, so that the leakage of lubricating grease in the labyrinth sealing plate 3 is ensured while preventing the dust in the plate chain bucket elevator. The third department is the most critical, and above-mentioned labyrinth seal plate 3 adopts the cast steel material to process and forms, and 5 labyrinth grooves 33 of internal processing are 1mm with tail-wheel axle 1 clearance, fill labyrinth groove 33 with lubricating grease, reduce the frictional force with between the tail-wheel axle 1, through almost seamless contact, guarantee that comparatively tiny material can't pass through.

By improving the 3-platen chain bucket elevator by using the invention, the problems of bearing damage and material leakage of the tail wheel shaft 1 are thoroughly solved, the lubricating grease of the bearing is free from any dust pollution, the operation stability is high, and the major change is not needed; the stock and the cost of spare parts are reduced, and the production operation reliability is improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description, and are not intended to indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and therefore, are not to be considered as limitations of the present invention, and the fundamental principles, main features, and advantages of the present invention have been shown and described above, as would be understood by those skilled in the art.

Claims

1. The utility model provides a novel plate link chain bucket elevator tailwheel, includes tailwheel axle (1), its characterized in that, tailwheel axle (1) is equipped with bearing frame (2), labyrinth seal board (3) and material activating scraper blade (4) by left to right side cover in proper order, be provided with first seal structure between bearing frame (2) and tailwheel axle (1), be provided with second seal structure between labyrinth seal board (3) and bearing frame (2), be provided with the third seal structure between material activating scraper blade (4) and tailwheel axle (1).

2. The tail pulley of the plate link chain bucket elevator is characterized in that the inner side of the bearing seat (2) is provided with an annular positioning groove (21), the first sealing structure comprises a shaft sealing ring I (5) embedded in the positioning groove (21), and the shaft sealing ring I (5) is in a lip shape.

3. The tail pulley of the plate link chain bucket elevator as claimed in claim 2, wherein the second sealing structure comprises a first annular positioning groove (31) and a second annular positioning groove (32) which are arranged on both sides of the inner peripheral surface of the labyrinth plate (3), and a second shaft sealing ring (6) is embedded in each of the first annular positioning groove (31) and the second annular positioning groove (32).

4. The tail pulley of the plate link chain bucket elevator as claimed in claim 3, wherein the second shaft seal ring (6) is of an annular structure and the side portion thereof is provided with an annular abdicating groove (61) along the circumferential direction thereof.

5. The tail wheel of the plate link chain bucket elevator is characterized in that notches of the abdicating grooves (61) of the shaft sealing ring II (6) in the first annular positioning groove (31) and the second annular positioning groove (32) are opposite to each other.

6. The tail pulley of the plate link chain bucket elevator as claimed in claim 5, wherein said second sealing structure further comprises a plurality of annular labyrinth grooves (33) formed in the inner circumferential surface of said labyrinth sealing plate (3), and said labyrinth grooves (33) are filled with grease.

7. The tail pulley of the plate link chain bucket elevator as claimed in claim 6, wherein the clearance between the inner peripheral surface of the labyrinth sealing plate (3) and the tail pulley shaft (1) is less than 1mm.

8. The tail wheel of the plate chain bucket elevator as claimed in claim 7, characterized in that the side of the labyrinth sealing plate (3) close to the live material scraper (4) is provided with wool felt (7).

9. The tail wheel of the plate link chain bucket elevator is characterized in that the felt (7) and the labyrinth sealing plate (3) are fixed by pressing bolts.

10. The tail pulley of the plate link chain bucket elevator as claimed in any one of claims 1-9, wherein the third sealing structure is that the material-moving scraper (4) is mounted on the tail pulley shaft (1) by means of a hoop.