CN219238263U

CN219238263U - Self-lubricating wear-resistant pin bush wheel chain of chain plate scraper

Info

Publication number: CN219238263U
Application number: CN202223082061.6U
Authority: CN
Inventors: 张军
Original assignee: Ordos Cloud New Technology Research Co ltd
Current assignee: Ordos Cloud New Technology Research Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-23
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a self-lubricating wear-resistant pin bush wheel chain of a chain plate scraper, which is formed by a plurality of inner assemblies and a plurality of outer assemblies in a mode of being connected end to end at intervals, wherein each inner assembly comprises two parallel inner connecting plates, a shaft sleeve and rollers, connecting holes are respectively formed at two ends of each inner connecting plate, the connecting holes are in interference fit with the shaft sleeve, and the rollers are arranged between the two inner connecting plates and are fixed and limited through pin shafts; the outer parallel arrangement of interior connection plate has two outer even boards, and outer even board both ends are equipped with the through-hole with interior connection plate corresponds, and the round pin axle runs through the through-hole and fixes spacingly to the gyro wheel. The utility model overcomes the problem of original pin plate connection friction pair mating surface is little, and scissors axle wearing and tearing, the dual wearing and tearing of gyro wheel wear have prolonged the whole life-span of chain joint machine.

Description

Self-lubricating wear-resistant pin bush wheel chain of chain plate scraper

Technical Field

The utility model relates to the technical field of scraper machines, in particular to a self-lubricating wear-resistant pin sleeve wheel chain of a chain plate scraper machine.

Background

The chain plate conveyor is also called a chain plate conveyor and a chain plate line. Is a conveying mechanical device which uses a chain which is circularly reciprocated as traction power and a metal plate as a conveying carrier. There are two kinds of chain plate conveyer in domestic market, one is a conveyer made up of conveying chain plate consisting of chain, supporting shaft and metal plate; a chain plate conveyor is made of a metal plate conveyor belt consisting of a chain with a bent plate and a metal plate.

The chain plate conveyer utilizes a series of chain plates fixedly connected on a traction chain to convey materials in horizontal or oblique direction, and uses a single steel plate hinged into endless belt as traction and bearing member bearing surface of the conveyer, and transverse spacer plates are placed in a tank to drive the endless belt to scrape coal and output by means of the spacer plates. It is composed of drive mechanism, tension device, chain, slat, drive and direction-changing chain wheel and machine frame. The method is widely applied to other industrial departments of metallurgy, coal, chemical industry, electric power, mechanical manufacturing and national economy.

However, the original pin plates are linked, the friction pair matching surface is small, the number 45 steel roller with no self-lubricating performance cannot overcome the abrasion of the scissor shaft, the friction of the roller and the dual abrasion of abrasive particles, and the machine is stopped for maintenance and replacement in 60 days, so that the production is influenced, and potential safety hazards exist.

Disclosure of Invention

In view of the above, the utility model provides a self-lubricating wear-resistant pin bush wheel chain of a chain plate scraper, which prolongs the whole service life of a chain plate and reduces the shutdown frequency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-lubricating wear-resistant pin bush wheel chain of the chain plate scraper comprises a plurality of inner assemblies and a plurality of outer assemblies which are connected end to end at intervals, wherein each inner assembly comprises two parallel inner connecting plates, a shaft sleeve and rollers, connecting holes are respectively formed in two ends of each inner connecting plate, the connecting holes are in interference fit with the shaft sleeve, and the rollers are arranged between the two inner connecting plates and fixed and limited through pin shafts; the outer parallel arrangement of interior connection plate has two outer even boards, and outer even board both ends are equipped with the through-hole with interior connection plate corresponds, and the round pin axle runs through the through-hole and fixes spacingly to the gyro wheel.

Preferably, in the self-lubricating wear-resistant pin bush wheel chain of the chain plate scraper, the sizes and the positions of the holes of the outer connecting plate and the inner connecting plate are consistent.

Preferably, in the self-lubricating wear-resistant pin bush wheel chain of the chain plate scraper, the end part of the pin shaft is provided with a circular notch, and the outer connecting plate is provided with a corresponding baffle for fixing.

Preferably, in the self-lubricating wear-resistant pin bush wheel chain of the chain plate scraper, the pin shaft is made of No. 200 ductile cast iron material, the shaft sleeve is made of 27 silicon manganese nitriding material, and the roller is made of No. 400 ductile cast iron material.

Compared with the prior art, the utility model adopts the design of the 600 # spheroidal graphite cast iron pin shaft, the 38 chrome manganese aluminum silicon manganese nitrided shaft sleeve and the 400 # spheroidal graphite cast iron roller, and implements the interference assembly of the inner connecting plate and the shaft sleeve and the assembly process of the pin shaft fixing and limiting of the outer connecting plate, so that the link joint matching surface of the chain plate is increased by 3 times, the spheroidal graphite cast iron pin shaft, the spheroidal graphite cast iron roller and the shaft sleeve have self-lubricating wear resistance, thereby prolonging the whole service life of the chain plate by 4 times, reducing the shutdown maintenance frequency by 4 times, saving the operation and maintenance cost by 80 percent and improving the man-machine safety factor by 80 percent.

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 to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the structure of the present utility model.

Fig. 2 is a schematic structural view of a pin according to the present utility model.

Fig. 3 is a schematic structural view of a roller in the present utility model.

Fig. 4 is a schematic structural view of a shaft sleeve according to the present utility model.

In the figure: 100-inner assembly; 110-an interconnector plate; 120-shaft sleeve; 130-a roller; 200-an outer assembly; 210-an outer connecting plate; 220-pin shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses a self-lubricating wear-resistant pin bush wheel chain of a chain scraper, which consists of a plurality of inner assemblies 100 and a plurality of outer assemblies 200, wherein the inner assemblies 100 and the outer assemblies 200 form a chain in a mode of being connected end to end at intervals, and the outer assemblies 200 are connected in a mode of being connected with the inner assemblies 100 and the outer assemblies 200;

the inner assembly 100 comprises two parallel inner connection plates 110, two shaft sleeves 120 and two rollers 130, wherein connecting holes are respectively arranged at two ends of the inner connection plates 110, the connecting holes are in interference fit with the shaft sleeves 120, and the rollers 130 are arranged between the two inner connection plates 110 and are fixed and limited through pin shafts 220;

the sizes and the opening positions of the outer connecting plate 210 and the inner connecting plate 110 are consistent, two outer connecting plates 210 are arranged outside the inner connecting plate 110 in parallel, and when the outer connecting plate is installed, through holes at two ends of the outer connecting plate 210 are aligned with connecting holes at two ends of the inner connecting plate 110, and a pin shaft 220 penetrates through the through holes to fix and limit the roller 130; the end of the pin 220 is provided with a circular notch and is fixed by a corresponding baffle plate on the outer connecting plate 210.

The pin shaft 220 is made of a No. 200 ductile cast iron material, the shaft sleeve 120 is made of a 27 silicon manganese nitriding material, and the roller 130 is made of a No. 400 ductile cast iron material; the pin 220 is subjected to vacuum immersing solid lubricant treatment before installation, and the interference assembly of the inner connecting plate 110 and the shaft sleeve 120 and the assembly process of fixing and limiting the pin 220 of the outer connecting plate 210 are implemented, so that the matching surface of chain plate links is increased by 3 times, and the spheroidal graphite cast iron shaft pins, spheroidal graphite cast iron rollers and the shaft sleeve have self-lubricating wear resistance.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A chain plate scraper self-lubricating wear-resistant pin bush wheel chain is formed by a plurality of inner components and a plurality of outer components in a mode of being connected end to end at intervals, and is characterized in that: the inner assembly comprises two parallel inner connecting plates, a shaft sleeve and a roller, wherein connecting holes are respectively formed in two ends of the inner connecting plates, the connecting holes are in interference fit with the shaft sleeve, and the roller is arranged between the two inner connecting plates and is fixed and limited through a pin shaft; two outer connecting plates are arranged outside the inner connecting plate in parallel, through holes are correspondingly formed in two ends of the outer connecting plates and the inner connecting plate, and the pin shafts penetrate through the through holes to fix and limit the idler wheels; the sizes of the outer connecting plate and the inner connecting plate are consistent with each other, and the positions of the openings are consistent; the end part of the pin shaft is provided with a circular notch, and the outer connecting plate is provided with a corresponding baffle for fixing; the pin shaft is made of No. 200 ductile cast iron material, the shaft sleeve is made of 27 silicon manganese nitriding material, and the roller is made of No. 400 ductile cast iron material.