CN212799549U

CN212799549U - Air-tight sealing shaft sleeve of tail shaft of elevator

Info

Publication number: CN212799549U
Application number: CN202021428647.1U
Authority: CN
Inventors: 徐浩; 朱东波
Original assignee: Anhui Qiangkun Machinery Co ltd
Current assignee: Anhui Qiangkun Machinery Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-26
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a lifting machine tail-shaft air-tight seal axle sleeve, including the bearing frame, the right of bearing frame runs through the middle part of fixed plate and extends the end right and be provided with the second bayonet socket, second bayonet socket inboard is provided with first rubber circle, the middle part inboard of bearing frame is provided with the second rubber circle, the inboard middle part of bearing frame is close to left fixedly connected with outer shaft circle, outer shaft circle passes through the roller and is connected with interior shaft circle rotation, the inboard fixed connection of interior shaft circle is in the one end of lifting machine tail-shaft, the left side of bearing frame is provided with the end cover. The utility model discloses in, through the double-deck sealed protection of first rubber circle and second rubber circle, ensure that dust granule can not dip the bearing, end cover central point puts and is provided with the trompil, and trompil department is provided with the oil cap, and it is more convenient to add lubricating oil for the bearing, can audio-visually see lubricating oil and come the control quantity, and the last simple structure of this tail shaft air-tight bearing housing dismantles easily and changes vulnerable part, is worth wideling popularize.

Description

Air-tight sealing shaft sleeve of tail shaft of elevator

Technical Field

The utility model relates to a lifting machine technical field especially relates to a lifting machine tail shaft air-tight seal axle sleeve.

Background

The bucket elevator adopts a hopper to dig and load materials, is dragged and lifted, and realizes vertical material conveying by gravity induced unloading, has the advantages of stable transmission, large conveying capacity, high conveying height and the like, is widely applied to industries such as building materials, metallurgy, ceramsite and the like, and is suitable for vertically conveying powdery, granular and small-block polished or unglazed materials such as raw materials, cement, coal, limestone, dry clay and the like.

However, the tail shaft sleeve of the existing bucket elevator has poor sealing performance, less dust particles can not effectively enter a bearing in use, the bearing is easily abraded and damaged, lubricating oil is added more difficultly, a part of the sealed shaft sleeve is added from the side through a built-in conduit, the dosage of the lubricating oil can not be visually seen, the capacity of forming an oil film when the lubricating oil is added too little can be reduced, and direct contact between a roller and a ferrule is caused, so the temperature can be increased, if the lubricating oil is too much, heat generated in the operation of the bearing can not be dissipated because of the package of the lubricating oil, the temperature can also be correspondingly increased, the service life of the bearing is influenced, the shaft sleeve is not easy to disassemble, and the replacement of easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an air-tight shaft sleeve for a tail shaft of a hoisting machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lifting machine tail-shaft air-tight seal axle sleeve, includes the bearing frame, the right of bearing frame runs through the middle part of fixed plate and extends the end right and be provided with the second bayonet socket, second bayonet socket inboard is provided with first rubber circle, the middle part inboard of bearing frame is provided with the second rubber circle, the inboard middle part of bearing frame is close to left position fixedly connected with outer race, outer race passes through the roller and is connected with inner race rotation, the inboard fixed connection of inner race is in the one end of lifting machine tail-shaft, the left side of bearing frame is provided with the end cover, the right side of end cover is provided with first bayonet socket, the central point of end cover puts the right side threaded connection who is provided with trompil and.

As a further description of the above technical solution:

the right part of the bearing seat is fixedly connected with the middle part of the fixing plate.

As a further description of the above technical solution:

the inner side of the outer shaft ring and the outer side of the inner shaft ring are both provided with arc-shaped grooves.

As a further description of the above technical solution:

four corners of the fixed plate and the elevator shell are in threaded connection with the first nut.

As a further description of the above technical solution:

the edges of the end cover and the bearing seat are in threaded connection with the second nut.

As a further description of the above technical solution:

and the upper part and the lower part of the first bayonet and the right side of the first bayonet are provided with third rubber rings, and the right side of the oil cover is provided with a fourth rubber ring.

As a further description of the above technical solution:

the center of the oil cover is rotationally connected with the circular ring cover through a connecting piece.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the second bayonet socket card on bearing frame right side goes into the opening of elevator shell, and second bayonet socket inboard is provided with first rubber circle, is located the inboard middle part of bearing frame and is provided with the second rubber circle, through the double-deck sealed protection of first rubber circle and second rubber circle, ensures that dust particle can not dip the bearing, causes the bearing wearing and tearing and damages.

2. The utility model discloses in, it is provided with the trompil to be located end cover central point, and trompil department is provided with the oil cap, oil cap and end cover threaded connection, and the lower extreme of oil cap is provided with fourth rubber circle, and it is more convenient here for bearing lubricating oil addition, can also audio-visual lubricating oil of seeing comes the control quantity, and the last simple structure of this tail-axle air-tight bearing housing dismantles easily and changes vulnerable part, is worth wideling popularize.

Drawings

Fig. 1 is a side view of an air-tight shaft sleeve of a tail shaft of a hoisting machine provided by the present invention;

fig. 2 is a front view of the air-tight shaft sleeve of the tail shaft of the hoisting machine provided by the utility model;

fig. 3 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. an end cap; 2. a second nut; 3. a third rubber ring; 4. a first bayonet; 5. a second bayonet; 6. a roller; 7. an outer race; 8. a second rubber ring; 9. a fixing plate; 10. a hoist housing; 11. a bearing seat; 12. a first rubber ring; 13. a tail shaft of the hoist; 14. an inner shaft ring; 15. a first nut; 16. a ring cover handle; 17. a connecting member; 18. an oil cover; 19. and a fourth rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a lifting machine tail-shaft air-tight seal axle sleeve, includes bearing frame 11, and the right of bearing frame 11 runs through the middle part of fixed plate 9 and extends the end right and be provided with

second bayonet socket

5, and 5 inboards of second bayonet socket are provided with first rubber circle 12, and the middle part inboard of bearing frame 11 is provided with second rubber circle 8, through the two-layer sealed protection of first rubber circle 12 and second rubber circle 8, ensures that dust particle can not dip the bearing, causes the bearing wearing and tearing and damages. The inner side of the inner shaft ring 14 is fixedly connected with one end of a tail shaft 13 of the elevator through a bearing 6, the left side of the bearing seat 11 is provided with an end cover 1, the right side of the end cover 1 is provided with a first bayonet 4, the center position of the end cover 1 is provided with an opening, the opening is in threaded connection with the right side of an oil cover 18 and is used for adding lubricating oil, the dosage can be controlled by visually seeing the lubricating oil, the capacity of forming an oil film when the lubricating oil is added too little can be reduced to cause direct contact between the roller 6 and the ring, so the temperature can be increased, if too much lubricating oil is added, heat generated in the operation of the bearing can not be dissipated due to the wrapping of the lubricating oil, and the temperature can also be correspondingly increased, affecting the service life of the bearing.

The right part of bearing frame 11 and the middle part fixed connection of fixed plate 9, the inboard of outer collar 7 all is provided with the arc recess with the outside of inner race 14, four corners of fixed plate 9 all with first nut 15 threaded connection with hoist housing 10, play the effect of fixed bearing frame 11, the edge of end cover 1 and bearing frame 11 all with 2 threaded connection of second nut, play the effect of fixed end cover 1, the last lower part and the right side of first bayonet socket 4 are provided with third rubber circle 3, the right side of oil cover 1 is provided with fourth rubber circle 19, third rubber circle 3 and fourth rubber circle 19 all play the effect of sealed lubricating oil, the central point of end cover 18 puts through connecting piece 17 and the ring lid is connected 16 rotations.

The working principle is as follows: the right side of a bearing seat 11 penetrates through the middle part of a fixing plate 9 and the tail end of the bearing seat extends rightwards, a second bayonet 5 is arranged, a first rubber ring 12 is arranged on the inner side of the second bayonet 5, a second rubber ring 8 is arranged on the inner side of the middle part of the bearing seat 11, double-layer sealing protection is achieved through the first rubber ring 12 and the second rubber ring 8, it is guaranteed that dust particles cannot enter a bearing and cause abrasion and damage of the bearing, an end cover 1 is arranged on the left side of the bearing seat 11, a first bayonet 4 is arranged on the right side of the end cover 1, a hole is formed in the center of the end cover 1 and is in threaded connection with the right side of an oil cover 18, lubricating oil is added, the amount of the lubricating oil can be controlled by visually seeing the lubricating oil, the capacity of forming an oil film when the lubricating oil is added too little can be reduced, direct contact between a roller ring, the temperature also can correspondingly rise, influences bearing life, and this utility model elevator tail-shaft air-tight seal axle sleeve's simple structure dismantles easily and changes vulnerable part, is worth wideling popularize.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a lifting machine tail-shaft air-tight seal axle sleeve, includes bearing frame (11), its characterized in that: the right of bearing frame (11) runs through the middle part of fixed plate (9) and extends the end right and be provided with second bayonet socket (5), second bayonet socket (5) inboard is provided with first rubber circle (12), the middle part inboard of bearing frame (11) is provided with second rubber circle (8), the inboard middle part of bearing frame (11) is close to left position fixedly connected with outer race (7), outer race (7) rotate with inner race (14) through roller (6) and are connected, the inboard fixed connection of inner race (14) is in the one end of lifting machine tail shaft (13), the left side of bearing frame (11) is provided with end cover (1), the right side of end cover (1) is provided with first bayonet socket (4), the central point of end cover (1) puts the right side threaded connection who is provided with trompil and oil cap (18).

2. The air sealing shaft sleeve of the tail shaft of the hoisting machine as claimed in claim 1, wherein: the right part of the bearing seat (11) is fixedly connected with the middle part of the fixed plate (9).

3. The air sealing shaft sleeve of the tail shaft of the hoisting machine as claimed in claim 1, wherein: the inner side of the outer shaft ring (7) and the outer side of the inner shaft ring (14) are both provided with arc-shaped grooves.

4. The air sealing shaft sleeve of the tail shaft of the hoisting machine as claimed in claim 1, wherein: four corners of the fixing plate (9) and the elevator shell (10) are in threaded connection with the first nut (15).

5. The air sealing shaft sleeve of the tail shaft of the hoisting machine as claimed in claim 1, wherein: the edges of the end cover (1) and the bearing seat (11) are in threaded connection with the second nut (2).

6. The air sealing shaft sleeve of the tail shaft of the hoisting machine as claimed in claim 1, wherein: the upper portion and the lower portion and the right side of first bayonet socket (4) are provided with third rubber circle (3), the right side of oil cover (18) is provided with fourth rubber circle (19).

7. The air sealing shaft sleeve of the tail shaft of the hoisting machine as claimed in claim 1, wherein: the center of the oil cover (18) is rotationally connected with the ring cover handle (16) through a connecting piece (17).