CN213511738U

CN213511738U - Non-lubrication dry grinding bearing seat for tail wheel of elevator

Info

Publication number: CN213511738U
Application number: CN202022594089.2U
Authority: CN
Inventors: 董廷武; 尹有江
Original assignee: Yixing Zhongjiang Transportation Equipment Co ltd
Current assignee: Yixing Zhongjiang Transportation Equipment Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-22
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a lubricated dry grinding bearing frame of lifting machine tailwheel does not have relates to lifting machine tailwheel shaft bearing field, including the lifting machine shell body, the side fixedly connected with bearing pedestal of lifting machine shell body, bearing pedestal's inside clearance fit has wear-resisting axle sleeve, the leak has been seted up to bearing pedestal's below, the sealed dust cover of side fixedly connected with of lifting machine shell body, bearing pedestal is located the inside of sealed dust cover, the inside interference fit of wear-resisting axle sleeve has the tailwheel axle. The utility model discloses improve antifriction bearing isotructure, bearing frame pedestal and axle sleeve are the rotational friction structure, are difficult for taking place to damage for bearing frame life is longer, has solved the problem that the bearing life-span that exists is short, the inside damage easily takes place under the long-term in service behavior of the old-fashioned bearing frame that has now on the existing market, and has leaded to the bearing to advance grey problem that makes the bearing take place to damage because of oil blanket department damages and has improved production efficiency.

Description

Non-lubrication dry grinding bearing seat for tail wheel of elevator

Technical Field

The utility model relates to a lifting machine tailwheel shaft bearing field specifically is a lifting machine tailwheel does not have lubricated dry milling bearing frame.

Background

At present, most of tail wheel bearing seats of lifting machines in the market are of rolling bearing structures, the bearing seats are lubricated by grease or thin oil, and after the bearing seats operate for one year or two years, the problem of equipment failure shutdown caused by damage of oil seals of the bearing seats or the interior of a rolling bearing exists, so that production loss is caused, and therefore the non-lubrication dry grinding bearing seats of the tail wheels of the lifting machines are provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lubricated dry milling bearing frame of lifting machine tailwheel to solve present lifting machine tailwheel shaft bearing for rolling bearing structure that proposes among the above-mentioned background art and after long-term the use, the problem that leads to equipment trouble to shut down because of bearing frame oil blanket department or the inside damage of rolling bearing appear of existence.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lubricated dry grinding bearing frame of lifting machine tailwheel, includes the lifting machine shell body, the side fixedly connected with bearing pedestal of lifting machine shell body, bearing pedestal's inside clearance fit has wear-resisting axle sleeve, the leak has been seted up to bearing pedestal's below.

Preferably, the side surface of the elevator outer shell is fixedly connected with a sealing dust cover, and the bearing seat body is located inside the sealing dust cover.

Preferably, the inside interference fit of wear-resisting axle sleeve has the tailwheel axle, the tailwheel axle is located the inside of lifting machine shell body.

Preferably, the side fixedly connected with mount of lifting machine shell body, the inside joint of mount has the link.

Preferably, screw holes are formed in the connecting frame and the bearing seat body.

Preferably, the connecting frame and the bearing seat body are fixedly connected through a bolt, and the bolt is inserted in the screw hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, improve antifriction bearing isotructure, bearing frame pedestal and axle sleeve are the rotational friction structure, are difficult for taking place to damage for bearing frame life is longer, has solved the bearing life-span that exists under the long-term in service behavior of current old-fashioned bearing frame in the existing market short, and the problem of inside easy damage of taking place has improved production efficiency.

2. The utility model discloses, the bearing frame has the ability of oneself ash removal, and the bearing frame need not any emollient, and difficult emergence is damaged, has solved the problem that the damage of current old-fashioned bearing frame on the existing market leads to the bearing to advance the ash and make the bearing take place to damage because of oil blanket department damages.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is the dry-milled alloy bearing seat assembly of the present invention.

In the figure: 1. an outer shell of the elevator; 2. a tail pulley shaft; 3. a bearing housing; 4. a wear-resistant shaft sleeve; 5. a leak port; 6. sealing the dust cover; 7. a fixed mount; 8. a connecting frame; 9. a screw hole; 10. and (4) bolts.

Detailed Description

In order to solve the problem that the existing hoisting machine tail wheel bearing seat with a rolling bearing structure is damaged to cause equipment failure shutdown due to the oil seal of the bearing seat or the inside of a rolling bearing after being used for a long time, the invention particularly provides a dry grinding bearing seat without lubrication for a hoisting machine tail wheel. 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.

Example 1

Referring to fig. 1-3, the embodiment provides a dry grinding bearing seat without lubrication for a tail pulley of a hoisting machine, which includes a hoisting machine outer casing 1, a bearing seat 3 fixedly connected to a side surface of the hoisting machine outer casing 1, a wear-resistant shaft sleeve 4 in clearance fit inside the bearing seat 3, and a leakage opening 5 formed below the bearing seat 3.

Wherein, the utility model mainly improves the tail wheel bearing seat of the hoisting machine, uses the alloy dry grinding bearing to replace the rolling bearing and other structures, the bearing seat body 3 is a Ni-Hard dry grinding bearing seat, the bearing seat structure is firmer, no lubricant is needed, the bearing seat body 3 and the wear-resistant shaft sleeve 4 are in a rotating friction structure, the bearing seat body 3 is arranged in the shell at the tail part of the hoisting machine, when in operation, the dust entering between the tail wheel wear-resistant shaft sleeve 4 and the bearing seat body 3 can be automatically discharged from the opening leak 5 at the lower part of the seat body, and the dust discharging characteristic is provided, the utility model has the advantages of no need of using lubricating oil, the service life of the Ni-Hard bearing seat is more than five years, the problems that the sealing part can be damaged due to the dust entering under the long-term use condition of the existing old bearing seat in the market, the service life of the bearing, the production efficiency is improved.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1: the side of the elevator outer shell 1 is fixedly connected with a sealing dust cover 6, and the bearing seat body 3 is positioned in the sealing dust cover 6.

Wherein, sealed dust cover 6 is convenient for carry out dustproof protection to the bearing.

In this embodiment, the inside interference fit of wear-resisting axle sleeve 4 has trailing axle 2, and trailing axle 2 is located the inside of lifting machine shell body 1.

The design facilitates the fixation between the tail wheel shaft 2 and the wear-resistant shaft sleeve 4.

In the embodiment, a fixing frame 7 is fixedly connected to the side surface of the outer shell 1 of the elevator, and a connecting frame 8 is clamped inside the fixing frame 7; in this embodiment, the connecting frame 8 and the bearing seat body 3 are both provided with screw holes 9 inside; in this embodiment, the connecting frame 8 and the bearing housing 3 are fixedly connected by a bolt 10, and the bolt 10 is inserted into the screw hole 9.

Wherein, this design is convenient for the bearing to be connected fixedly on lifting machine shell body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lubricated dry grinding bearing frame of lifting machine tailwheel, includes lifting machine shell body (1), its characterized in that: the side fixedly connected with bearing pedestal (3) of lifting machine shell body (1), the inside clearance fit of bearing pedestal (3) has wear-resisting axle sleeve (4), leak (5) have been seted up to the below of bearing pedestal (3).

2. The dry grinding bearing seat without lubrication for the tail wheel of the hoisting machine as claimed in claim 1, wherein: the side face of the elevator outer shell (1) is fixedly connected with a sealing dust cover (6), and the bearing seat body (3) is located inside the sealing dust cover (6).

3. The dry grinding bearing seat without lubrication for the tail wheel of the hoisting machine as claimed in claim 1, wherein: the inside interference fit of wear-resisting axle sleeve (4) has tail-wheel axle (2), tail-wheel axle (2) are located the inside of lifting machine shell body (1).

4. The dry grinding bearing seat without lubrication for the tail wheel of the hoisting machine as claimed in claim 1, wherein: the side fixedly connected with mount (7) of lifting machine shell body (1), the inside joint of mount (7) has link (8).

5. The dry grinding bearing seat without lubrication for the tail wheel of the hoisting machine as claimed in claim 4, wherein: screw holes (9) are formed in the connecting frame (8) and the bearing seat body (3).

6. The dry grinding bearing seat without lubrication for the tail wheel of the hoisting machine as claimed in claim 5, wherein: the connecting frame (8) is fixedly connected with the bearing seat body (3) through a bolt (10), and the bolt (10) is inserted in the screw hole (9).