CN218344445U

CN218344445U - Bucket elevator sprocket structure

Info

Publication number: CN218344445U
Application number: CN202222367357.6U
Authority: CN
Inventors: 楚志刚; 尤红雨; 楚德军; 楚德林; 楚德祥
Original assignee: Yangzhou Zhengda Machinery Manufacture Co ltd
Current assignee: Yangzhou Zhengda Machinery Manufacture Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-20
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a bucket elevator sprocket structure, including the riser, the riser includes first pipeline section and second pipeline section, the holding recess has all been seted up on the relative vertical lateral wall of second pipeline section, be provided with the limiting plate on the lateral wall around the holding recess, vertical sliding connection has the bearing mount pad between the diapire of limiting plate and holding recess, bearing mount pad protrusion in holding recess, be provided with the bearing on the bearing mount pad, two bearings are connected in the pivot of lower sprocket, bearing mount pad top is provided with the lead screw, the screw thread groove has been seted up on the diaphragm that first pipeline section buckled and set up, the lead screw spiro union passes the screw thread groove. The utility model is provided with the tensioning structure for adjusting the position of the lower chain wheel, thereby adapting to the abrasion and elongation of the chain, prolonging the service life of the chain and ensuring the material lifting efficiency; on the other hand sets up limit structure, carries out spacing after the tensioning is adjusted fixed to lower sprocket and bearing mount pad, guarantees the stability of connecting, and then guarantees the stability of promotion to raise the efficiency.

Description

Bucket elevator sprocket structure

Technical Field

The utility model relates to a grain production processing equipment technical field, concretely relates to bucket elevator sprocket structure.

Background

In the field of grain processing and production, a bucket elevator is one of common devices. The hopper is generally fixed on a chain, and the material is transported by the transmission of a chain wheel and a chain. However, the chain has the problem of long abrasion in the long-term working process, and then needs the tensioning structure to adjust the position of the chain wheel, so that the chain wheel and chain transmission is ensured to be stable. The existing tensioning device generally comprises a screw rod and a fixing plate, and the position of a chain wheel is moved by utilizing the displacement of the screw rod relative to the fixing plate, but the structure has the problem that the chain wheel is instable in arrangement and the material lifting efficiency is influenced.

The chinese utility model patent that current patent number is 201620360730.7 discloses a overspeed device tensioner in bucket elevator, and its adjustment mechanism and sprocket only have the mounting panel to support, have the stability risk, and then have the sprocket to lay the unstability and influence the problem of material lifting efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tensioning is stable guarantees to promote stable bucket elevator chain wheel structure simultaneously to exist not enough among the above-mentioned background art.

In order to achieve the above object, the utility model relates to a bucket elevator sprocket structure has adopted following technical scheme:

the chain wheel structure comprises a vertical pipe, wherein a chain wheel chain structure is arranged in the vertical pipe, the chain wheel chain structure comprises an upper chain wheel and a lower chain wheel, the upper chain wheel and the lower chain wheel are connected to a chain, the vertical pipe comprises a first pipe section and a second pipe section, the lower end of the first pipe section is outwards bent and enlarged to be connected to the second pipe section, a containing groove is formed in the vertical side wall opposite to the second pipe section, limiting plates are arranged on the front side wall and the rear side wall of the containing groove, an interval is formed between each limiting plate and the bottom wall of the containing groove, a bearing mounting seat is vertically and slidably connected between each limiting plate and the bottom wall of the containing groove, the bearing mounting seat protrudes out of the containing groove, bearings are arranged on the bearing mounting seat, two bearings are connected to a rotating shaft of the lower chain wheel, a lead screw is arranged above the bearing mounting seat, a threaded hole groove is formed in a transverse plate, the lead screw penetrates through the threaded hole groove, a threaded hole is formed in the side wall of the second pipe section, the threaded hole is communicated with the bottom wall of the containing groove, a threaded hole is in threaded connection with a bolt, and the bolt is in threaded connection with the bolt connection to abut against the bearing mounting seat.

The utility model relates to a bucket elevator sprocket structure's further improvement part lies in, and the lead screw upper end still is connected with the nut, the lead screw lower extreme rotate connect in the bearing mount pad.

The utility model relates to a bucket elevator sprocket structure's further improvement part lies in, has still seted up a plurality of second screw holes on the second pipeline section lateral wall, and second screw hole spiro union has the second bolt, the second bolt passes the limiting plate and arranges the bearing mount pad below in.

The utility model relates to a bucket elevator sprocket structure's further improvement part lies in, and first pipeline section below is provided with the vertical baffle of laying, the baffle blocks the bearing mount pad, the baffle lower extreme upwards is provided with the notch, the notch is used for avoiding the pivot of lower sprocket.

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

the utility model is provided with the tensioning structure for adjusting the position of the lower chain wheel, thereby adapting to the abrasion and elongation of the chain, prolonging the service life of the chain and ensuring the material lifting efficiency; on the other hand sets up limit structure, carries out the spacing after the tensioning is adjusted fixedly to lower sprocket and bearing mount pad, guarantees the stability of connecting, and then guarantees the stability of promotion to raise the efficiency.

Drawings

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

in the figure: the device comprises a first pipe section 1, a second pipe section 2, a containing groove 3, a limiting plate 4, a bearing mounting seat 5, a rotating shaft 6, a screw rod 7, a bolt 8, a nut 9, a second bolt 10, a baffle 11 and a chain 12.

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.

As shown in fig. 1, a bucket elevator sprocket structure includes a vertical pipe, a sprocket chain structure is provided in the vertical pipe, the sprocket chain structure includes an upper sprocket and a lower sprocket, a chain 12 connects the upper sprocket and the lower sprocket, and the above structure is the conventional structure. Furthermore, the stand pipe comprises a first pipe section 1 and a second pipe section 2, the lower end of the first pipe section is bent outwards and is connected with the second pipe section in an expanding mode, and the first pipe section and the second pipe section are integrally formed. All seted up holding recess 3 on the relative vertical lateral wall of second pipeline section, be provided with limiting plate 4 on the lateral wall around the holding recess, there is the interval between the diapire of limiting plate and holding recess, and the limiting plate can be the L type. Vertical sliding connection has bearing mount pad 5 between the diapire of limiting plate and holding recess, and bearing mount pad protrusion is provided with the bearing in the holding recess on the bearing mount pad, and two bearings are connected in the pivot 6 of lower sprocket, and bearing mount pad top is provided with lead screw 7, sets up threaded hole groove on the diaphragm that first pipeline section was buckled and is set up, and the lead screw spiro union passes threaded hole groove sets up threaded hole on the second pipeline section lateral wall, and the screw hole communicates in the diapire of holding recess, and the screw hole spiro union has bolt 8, and the bolt supports the bearing mount pad. And the screw rod is rotated to move downwards to abut against the bearing mounting seat, so that the lower chain wheel moves downwards, and the chain is tensioned.

Further, the upper end of the screw rod is also connected with a nut 9, and the lower end of the screw rod is rotatably connected with the bearing mounting seat. The lead screw is connected with the bearing mounting seat, and the mounting stability of the lead screw is further improved.

Furthermore, a plurality of second threaded holes 10 are further formed in the side wall of the second pipe section, second bolts are connected to the second threaded holes in a threaded mode and penetrate through the limiting plate to be arranged below the bearing mounting seat. The second bolt is assisted to support the bearing mounting seat, and the bearing mounting seat is supported tightly with the limiting plate to the cooperation bolt, has guaranteed that the fixed of bearing mounting seat and lower sprocket is firm, and then guarantees the stability that the material promoted.

Further, a baffle 11 which is vertically arranged is arranged below the first pipe section, the baffle blocks the bearing mounting seat, a notch is formed in the lower end of the baffle upwards, and the notch is used for avoiding a rotating shaft of the lower chain wheel. Prevent that the material that drops when the material promotes from influencing and adjusting the structure.

The utility model discloses a theory of operation does: after the long-term wearing and tearing of chain appear the elongated condition, take off second bolt, rotatory lead screw for bearing mount pad and lower sprocket move down, realize the tensioning of chain, later bolt-up realizes the firm connection of lower sprocket, uses the second bolt, and the supplementary bearing mount pad lower extreme that supports further guarantees the fixed stability of lower sprocket.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bucket elevator sprocket structure, includes the riser, is provided with sprocket chain structure in the riser, sprocket chain structure includes sprocket and lower sprocket, and the chain is connected and is linked up sprocket and lower sprocket, its characterized in that: the vertical pipe comprises a first pipe section and a second pipe section, the lower end of the first pipe section is outwards bent and enlarged to be connected to the second pipe section, a containing groove is formed in the vertical side wall relative to the second pipe section, limiting plates are arranged on the front side wall and the rear side wall of the containing groove, an interval is formed between the limiting plates and the bottom wall of the containing groove, a bearing mounting seat is vertically connected between the limiting plates and the bottom wall of the containing groove in a sliding mode, the bearing mounting seat protrudes out of the containing groove, a bearing is arranged on the bearing mounting seat, the two bearings are connected to a rotating shaft of a lower chain wheel, a lead screw is arranged above the bearing mounting seat, a threaded hole groove is formed in a transverse plate of the bent first pipe section, the lead screw penetrates through the threaded hole groove, a threaded hole is formed in the side wall of the second pipe section, the threaded hole is communicated with the bottom wall of the containing groove, a bolt is screwed in the threaded hole, and the bolt abuts against the bearing mounting seat.

2. The bucket elevator sprocket structure of claim 1, wherein: the upper end of the screw rod is further connected with a nut, and the lower end of the screw rod is rotatably connected with the bearing mounting seat.

3. The bucket elevator sprocket structure of claim 1, wherein: and a plurality of second threaded holes are formed in the side wall of the second pipe section, second bolts are screwed in the second threaded holes and penetrate through the limiting plate to be arranged below the bearing mounting seat.

4. The bucket elevator sprocket structure of claim 1, wherein: the bearing mounting seat is characterized in that a vertically arranged baffle is arranged below the first pipe section, the baffle blocks the bearing mounting seat, a notch is formed in the lower end of the baffle upwards, and the notch is used for avoiding a rotating shaft of the lower chain wheel.