CN219407980U

CN219407980U - Tail wheel duplex sealing device of plate chain hoister in cement plant

Info

Publication number: CN219407980U
Application number: CN202223323769.6U
Authority: CN
Inventors: 刘西旺; 胡志华; 杜胜国
Original assignee: Chizhou Dete Mechanical And Electrical Equipment Co ltd
Current assignee: Chizhou Dete Mechanical And Electrical Equipment Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-25
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the technical field of elevator tail wheels, and provides a plate chain elevator tail wheel duplex sealing device of a cement plant. According to the utility model, the sealing structure is arranged, so that the dust leakage condition at the tail part of the elevator is reduced, and the sealing performance of the tail part of the elevator can be enhanced through the cooperation of the fixed sealing plate and the movable sealing plate, so that the dust leakage condition at the tail part of the elevator is not easy to occur when the elevator is used, and the sealing effect is improved.

Description

Tail wheel duplex sealing device of plate chain hoister in cement plant

Technical Field

The utility model relates to the technical field of tail wheels of elevators, in particular to a plate chain elevator tail wheel duplex sealing device in a cement factory.

Background

The bucket elevator is mechanical conveying equipment of a fixing device, is mainly suitable for continuous vertical lifting of powdery, granular and small-sized materials, can be widely applied to lifting of bulk materials of various scales such as feed factories, flour factories, rice factories, oil factories, starch factories, grain depots, port yards and the like, and has some problems in the long-time use process;

the tail part of the old bucket is mostly of a bearing structure, sliding plates at two sides are sealed, a lever type counterweight mechanism is additionally arranged, the old bucket runs for a long time, and dust leaks out to pollute the environment seriously. The outer counterweight occupies space and is not attractive, so that the practicability is poor.

Disclosure of Invention

Technical problem to be solved

The utility model aims to provide a double sealing device for tail wheels of plate chain elevators in cement factories, which is used for solving the defect of poor sealing effect of tail wheels of plate chain elevators in cement factories in the prior art.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme: the double sealing device for the tail wheel of the plate chain elevator in the cement plant comprises a first sealing box body, a counterweight wheel and a tail wheel of the elevator, wherein a second sealing box body is arranged on one side of the first sealing box body;

the inside of second seal box is provided with seal structure, one side of seal structure is provided with wear-resisting structure, wear-resisting structure's top is provided with lead screw spring mechanism, wear-resisting structure includes wear-resisting overcoat, wear-resisting endotheca and connecting axle, the connecting axle sets up in one side of first seal box.

Preferably, a wear-resistant inner sleeve is arranged at the outer side of one end of the connecting shaft, a wear-resistant outer sleeve is arranged at the outer side of the wear-resistant inner sleeve, a tail wheel of the elevator is arranged at the outer side of the connecting shaft, and a counterweight wheel is arranged at one side of the tail wheel of the elevator.

Preferably, the sealing structure comprises a fixed sealing plate, a movable sealing plate and a sealing box cover plate, wherein the fixed sealing plate is social to one side of the inside of the second sealing box, the movable sealing plate is arranged on one side of the fixed sealing plate, and the sealing box cover plate is arranged on one side of the first sealing box.

Preferably, the wear-resistant outer sleeve and the wear-resistant inner sleeve are made of CrMo, and the heat treatment process is surface nitriding.

Preferably, the counterweight wheel is made of 45 steel, and the heat treatment process is tempering.

Preferably, the tail wheel of the hoister is made of 45 steel, and the heat treatment process is tooth medium-frequency quenching.

Advantageous effects

The utility model provides a tail wheel duplex sealing device of a plate chain hoist in a cement plant, which has the advantages that: by the aid of the sealing structure, in order to reduce leakage of dust at the tail of the elevator, the sealing performance of the tail of the elevator can be enhanced through the cooperation of the fixed sealing plate and the movable sealing plate, so that the dust at the tail of the elevator is not easy to leak during use, and sealing effect is improved;

through being provided with wear-resisting structure, in order to prevent that afterbody bearing from advancing grey card and dying, life is short, overhauls frequently, dismantles the problem that wastes time and energy, consequently through the cooperation of wear-resisting overcoat and wear-resisting endotheca use, make the motion department oil-free slip dry friction state each other when the work, do not receive the influence of invasion dust, prevent to appear the card dying to the practicality has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

fig. 4 is a schematic partial front view of the present utility model.

Reference numerals in the drawings illustrate: 1. a first sealed case; 2. a sealing structure; 201. fixing a sealing plate; 202. a movable sealing plate; 203. sealing the cover plate of the box body; 3. a wear resistant structure; 301. wear-resistant jackets; 302. a wear-resistant inner sleeve; 303. a connecting shaft; 4. a counterweight wheel; 5. tail wheel of hoister; 6. a second sealed case; 7. a screw rod spring mechanism.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-4, the duplex sealing device for the tail wheel of the plate chain hoist in a cement plant provided by the utility model comprises a first sealing box body 1, a counterweight wheel 4 and a tail wheel 5 of the hoist, wherein one side of the first sealing box body 1 is provided with a second sealing box body 6, the inside of the second sealing box body 6 is provided with a sealing structure 2, the sealing structure 2 comprises a fixed sealing plate 201, a movable sealing plate 202 and a sealing box cover plate 203, the fixed sealing plate 201 is social to one side of the inside of the second sealing box body 6, one side of the fixed sealing plate 201 is provided with the movable sealing plate 202, and the sealing box cover plate 203 is arranged on one side of the first sealing box body 1.

The working principle of the tail wheel duplex sealing device of the plate chain hoist of the cement plant based on the embodiment 1 is as follows: in the normal working state of the elevator, a small amount of dust can enter the second sealed first sealed box body 1 through the gap between the fixed sealing plate 201 and the movable sealing plate 202, and because the air in the first sealed box body 1 is communicated with the air in the elevator cavity through the gap between the two plates sealed at one time, the air at two sides is in an equal pressure state, the air fluidity in the state is small, the dust entering the first sealed box body 1 is also small, the dust in the first sealed box body 1 is in a full-sealed state, the dust can not leak, and the dust is theoretically not leaked in a hundred percent, so that the sealing work is completed.

Examples

The embodiment further includes: one side of the sealing structure 2 is provided with a wear-resistant structure 3, the top end of the wear-resistant structure 3 is provided with a screw rod spring mechanism 7, the wear-resistant structure 3 comprises a wear-resistant outer sleeve 301, a wear-resistant inner sleeve 302 and a connecting shaft 303, the connecting shaft 303 is arranged on one side of the first sealing box body 1, the wear-resistant inner sleeve 302 is arranged on the outer side of one end of the connecting shaft 303, the wear-resistant outer sleeve 301 is arranged on the outer side of the wear-resistant inner sleeve 302, the elevator tail wheel 5 is arranged on the outer side of the connecting shaft 303, the counterweight wheel 4 is arranged on one side of the elevator tail wheel 5, the wear-resistant outer sleeve 301 and the wear-resistant inner sleeve 302 are made of 40CrMo, and the heat treatment process is surface nitriding.

In this embodiment, the wear-resistant outer sleeve 301 and the wear-resistant inner sleeve 302 are wear-resistant parts made of special materials and by special processes, and the motion parts of the wear-resistant outer sleeve 301 and the wear-resistant inner sleeve 302 are in an oil-free sliding dry friction state, are not affected by invasion dust, do not need to be refueled and maintained daily for about two years in normal service life, and only need to observe the wear amount and replace the wear-resistant parts due to the fact that the wear-resistant parts are replaced by the wear-resistant parts, so that the bearing and the bearing seat mechanisms which need to be refueled regularly are directly replaced.

The tail wheel 5 of the elevator is arranged in the tail box body of the elevator and is parallel to the tail wheel, the tail wheel is restrained from jumping during operation, the weight of the tail wheel cannot be increased as freely as an outer counterweight due to space limitation, and therefore the screw rod spring mechanism 7 is designed, and under the condition that abnormal jumping exists during the tail wheel working process and the weight of an inner counterweight is insufficient, the tail wheel is restrained in an auxiliary mode, and finally the duplex sealing work is completed.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Cement plant's plate chain lifting machine tail pulley duplex sealing device, including first seal box (1), counter weight wheel (4) and lifting machine tail pulley (5), its characterized in that: a second sealing box body (6) is arranged on one side of the first sealing box body (1);

the inside of second seal box (6) is provided with seal structure (2), one side of seal structure (2) is provided with wear-resisting structure (3), the top of wear-resisting structure (3) is provided with lead screw spring mechanism (7), wear-resisting structure (3) are including wear-resisting overcoat (301), wear-resisting endotheca (302) and connecting axle (303), connecting axle (303) set up in one side of first seal box (1).

2. The cement plant plate chain hoist tail pulley duplex sealing device of claim 1, characterized in that: the outer side of one end of the connecting shaft (303) is provided with a wear-resistant inner sleeve (302), the outer side of the wear-resistant inner sleeve (302) is provided with a wear-resistant outer sleeve (301), the tail wheel (5) of the elevator is arranged on the outer side of the connecting shaft (303), and one side of the tail wheel (5) of the elevator is provided with a counterweight wheel (4).

3. The cement plant plate chain hoist tail pulley duplex sealing device of claim 1, characterized in that: the sealing structure (2) comprises a fixed sealing plate (201), a movable sealing plate (202) and a sealing box cover plate (203), wherein the fixed sealing plate (201) is social to one side of the inside of the second sealing box (6), the movable sealing plate (202) is arranged on one side of the fixed sealing plate (201), and the sealing box cover plate (203) is arranged on one side of the first sealing box (1).

4. The cement plant plate chain hoist tail pulley duplex sealing device of claim 1, characterized in that: the wear-resistant outer sleeve (301) and the wear-resistant inner sleeve (302) are made of 40CrMo, and the heat treatment process is surface nitriding.

5. The cement plant plate chain hoist tail pulley duplex sealing device of claim 1, characterized in that: the counterweight wheel (4) is made of 45 steel, and the heat treatment process is tempering.

6. The cement plant plate chain hoist tail pulley duplex sealing device of claim 1, characterized in that: the tail wheel (5) of the hoister is made of 45 steel, and the heat treatment process is tooth medium-frequency quenching.