CN209853159U

CN209853159U - Tail shaft tensioning device of bucket elevator

Info

Publication number: CN209853159U
Application number: CN201920353111.9U
Authority: CN
Inventors: 王栋; 陶月鑫; 叶明�
Original assignee: Hangzhou Xingke Machinery Co Ltd
Current assignee: Hangzhou Xingke Machinery Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2019-12-27
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to a bucket elevator tail-shaft overspeed device tensioner, slide and slide layering are installed to the relative both sides face of lifting machine body, the slide layering is pressed the slide on the lifting machine body, slide and lifting machine body sliding connection, set up the through-hole that supplies the tail-shaft tip to wear out on the slide, the bearing frame is installed to the tail-shaft tip, the mount pad that is used for installing the bearing frame is installed in the slide outside, install the bearing in the bearing frame, the sub-unit connection of bearing end cover has the link that is used for supporting the lever, the bearing end cover links together through buffering fastener and bearing frame, the buffering spring housing is established on the bolt, and be located between bearing frame and. In this application, the bearing cap links together through buffering fastener and bearing frame, can prevent the tail-shaft axial displacement in the minizone, plays the buffering effect of inhaling to the tail-shaft.

Description

Tail shaft tensioning device of bucket elevator

Technical Field

The utility model relates to a lifting machine technical field, specifically say, relate to a bucket elevator tail-shaft overspeed device tensioner.

Background

Vertical bucket elevators can be used to lift various bulk materials, such as: ore, coal, cement clinker, grain, chemical fertilizer and the like are widely applied in various industrial countries, and the conveying chain can gradually become insufficient in tension in the operation process of the elevator, so that a tensioning device is required to be arranged, the tail shaft can be prevented from jumping up and down while enough tension is provided for the conveying chain, but the tail shaft can also have axial movement in the working process of the elevator, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, simple, the tensioning is reliable, can carry out the bucket elevator tail-shaft overspeed device tensioner that cushions to the tail-shaft axial float.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a bucket elevator tail-shaft overspeed device tensioner, includes lifting machine body, heavy case and lever, its characterized in that: the elevator comprises an elevator body, a sliding plate and a sliding plate pressing strip are arranged on two opposite side surfaces of the elevator body, the sliding plate pressing strip presses the sliding plate on the elevator body, the sliding plate is connected with the elevator body in a sliding mode, a through hole for enabling the tail shaft end to penetrate out is formed in the sliding plate, a bearing seat is arranged at the tail shaft end, a mounting seat used for mounting the bearing seat is arranged on the outer side of the sliding plate, a bearing is mounted in the bearing seat, a bearing sleeve is mounted at the tail shaft end, a bearing end cover used for positioning the bearing outer ring is mounted at the bearing seat end, a connecting frame used for supporting a lever is connected to the lower portion of the bearing end cover, one end of the lever is connected to the elevator body; the bearing end cover is connected with the bearing seat through a buffer fastener, the buffer fastener comprises a bolt and a buffer spring, and the bearing seat is connected with the bearing end cover through the bolt; the buffer spring is sleeved on the bolt and is positioned between the bearing seat and the bearing end cover.

Preferably, the bearing frame seals through the oil blanket with the tailshaft.

Preferably, be provided with the oil inlet on the bearing end cover.

Preferably, buffering fastener sets up six, along bearing end cover circumference equipartition.

Compared with the prior art, the utility model, have following advantage and effect: the tensioning device provides enough tensioning force for the conveying chain, prevents the tail shaft from jumping up and down, and in addition, the bearing end cover is connected with the bearing seat through the buffering fastener, so that the tail shaft can be prevented from axially moving in a small range, and the effect of buffering and absorbing vibration is realized on the tail shaft.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic front view structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of a half-section in the direction of a-a of fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 2.

Description of reference numerals: the lifting machine comprises a lifting machine body 1, a sliding plate 2, a sliding plate pressing strip 3, a lever 4, a heavy box 5, a tail shaft 6, a bearing seat 7, a mounting seat 8, a buffer spring 9, a bolt 10, a bearing end cover 11, an oil inlet 12, a bearing 13, an oil seal 14 and a connecting frame 15.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

See fig. 1-3.

The embodiment is a bucket elevator tail-shaft overspeed device tensioner, including lifting machine body 1, heavy case 5 and lever 4, sliding plate 2 and slide layering 3 are installed to the relative both sides face of lifting machine body 1, and slide layering 3 presses sliding plate 2 on lifting machine body 1, sliding plate 2 and 1 sliding connection of lifting machine body.

In this embodiment, set up the through-hole that supplies 6 tip of tail axle to wear out on the slide 2, bearing frame 7 is installed to 6 tip of tail axle, mount pad 8 that is used for installing bearing frame 7 is installed in the slide 2 outside, install bearing 13 in the bearing frame 7, the bearing 13 cover is established and is installed at 6 tip of tail axle, the bearing frame 7 tip installation is used for carrying out the bearing end cover 11 of fixing a position to the bearing 13 outer lane, the sub-unit connection of bearing end cover 11 has link 15 that is used for supporting lever 4, the one end of lever 4 is connected on lifting machine body 1, the middle part of lever 4 supports and sets up on link 15, heavy case 5 has been hung to the other end of.

In this embodiment, bearing housing 11 links together through buffering fastener and bearing frame 7, and buffering fastener sets up six, along 11 circumference equipartitions of bearing housing. The buffer fastener comprises a bolt 10 and a buffer spring 9, and the bearing seat 7 is connected with the bearing end cover 11 through the bolt 10; the buffer spring 9 is sleeved on the bolt 10 and is positioned between the bearing seat 7 and the bearing end cover 11. The buffer fastener can prevent the tail shaft 6 from axially moving in a small range, and has the functions of buffering and absorbing vibration for the tail shaft 6, thereby reducing the damage degree of the tail shaft 6.

In this embodiment, the bearing 13 needs to be lubricated by lubricating oil, so an oil inlet 12 is provided on the bearing end cover 11, lubricating oil is periodically added to the bearing 13 through the oil inlet 12, the bearing seat 7 and the tail shaft 6 are sealed by an oil seal 14, and the oil seal 14 prevents the lubricating oil from leaking.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a bucket elevator tail-shaft overspeed device tensioner, includes lifting machine body, heavy case and lever, its characterized in that: the elevator comprises an elevator body, a sliding plate and a sliding plate pressing strip are arranged on two opposite side surfaces of the elevator body, the sliding plate pressing strip presses the sliding plate on the elevator body, the sliding plate is connected with the elevator body in a sliding mode, a through hole for enabling the tail shaft end to penetrate out is formed in the sliding plate, a bearing seat is arranged at the tail shaft end, a mounting seat used for mounting the bearing seat is arranged on the outer side of the sliding plate, a bearing is mounted in the bearing seat, a bearing sleeve is mounted at the tail shaft end, a bearing end cover used for positioning the bearing outer ring is mounted at the bearing seat end, a connecting frame used for supporting a lever is connected to the lower portion of the bearing end cover, one end of the lever is connected to the elevator body; the bearing end cover is connected with the bearing seat through a buffer fastener, the buffer fastener comprises a bolt and a buffer spring, and the bearing seat is connected with the bearing end cover through the bolt; the buffer spring is sleeved on the bolt and is positioned between the bearing seat and the bearing end cover.

2. The bucket elevator tail shaft tensioner as set forth in claim 1, wherein: and the bearing seat and the tail shaft are sealed through an oil seal.

3. The bucket elevator tail shaft tensioner as set forth in claim 1, wherein: an oil inlet is formed in the bearing end cover.

4. The bucket elevator tail shaft tensioner as set forth in claim 1, wherein: the buffer fasteners are arranged in six and are evenly distributed along the circumferential direction of the bearing end cover.