CN202594284U

CN202594284U - Conveying chain link plate

Info

Publication number: CN202594284U
Application number: CN 201220147241
Authority: CN
Inventors: 徐青
Original assignee: HANGZHOU HETAI MOTOR INDUSTRY Co Ltd
Current assignee: Hangzhou Hetai Electromechanical Co ltd
Priority date: 2012-04-09
Filing date: 2012-04-09
Publication date: 2012-12-12
Anticipated expiration: 2022-04-09

Abstract

The utility model discloses a conveying chain link plate, which comprises a plate body, wherein two special-shaped holes and a stress release hole are formed on the plate body, the stress release hole is arranged in the middle of the plate body, and the two special-shaped holes are in symmetrical distribution along the circle center of the stress release hole. The special-shaped holes are adopted, and the stress release hole is added in the middle of the link plate, so that the fatigue life of the inner link plate is prolonged and the diffusion-induced stress of the inner link plate is increased, the stress value of stress concentration is decreased, and the fracture extensibility is greatly improved; the fatigue life of a conveying chain is prolonged, and the load is further uniformly distributed by the stress release hole; the structure improves the quality of a large size elevator conveying chain, and moreover, the single-piece weight of the inner link plate is decreased by 10%, the dead weight of the conveying chain is reduced, and the consumption of raw materials is reduced.

Description

A kind of conveyer chain carrier bar

[technical field]

The utility model relates to the building materials technical field of conveying machinery, especially a kind of conveyer chain carrier bar.

[background technology]

Present domestic cement industry is developing to aspects such as large-scale, energy-saving and environmental protection, benefits, because the large-scale production line construction, it is supporting to need big, the reliable load transfer device of traffic capacity to adapt to it, and the conveyer chain of gig is the vitals in the load transfer device.

Plate hole mainly contains three kinds of structures on the carrier bar of gig conveyer chain at present:

First kind is carrier bar circular hole as shown in Figure 1.Its advantage is: relatively simple for structure, easy to make, use extensively, and matching used sleeve is made simple.Shortcoming is: circular hole cooperates requirement very high with sleeve, conveyer chain is cooperated with sleeve by the former circular hole of greater impact and requires malleable, can cause circular hole and sleeve to rotate when serious, and final conveyer chain is lost effect; Size is big.

Second kind is that carrier bar list as shown in Figure 2 is flat poroid.Its advantage is: relatively simple for structure, easy to make, receive can prevent after the greater impact rotation of hole and sleeve.Shortcoming is: matching used sleeve is made trouble relatively, and pitch changes easily during the conveyer chain assembling, and size is big.

The third is that carrier bar as shown in Figure 3 is two flat poroid.Its advantage is: relatively simple for structure, easy to make, receive can prevent after the greater impact rotation of hole and sleeve.Shortcoming is: matching used sleeve is made trouble relatively, and stress was more concentrated when the conveyer chain carrier bar was stressed, and safety factor is relatively low, and size is big.

[utility model content]

The purpose of the utility model solves the problems of the prior art exactly, proposes a kind of conveyer chain carrier bar, can improve fatigue life and diffusion-induced stress, reduces the focal point of stress stress value, thereby promotes product quality, reduces material consumption.

For realizing above-mentioned purpose; The utility model provides a kind of conveyer chain carrier bar, comprise plate body, have two profiled holes and a stress relief hole on the said plate body; Said stress relief hole is located at the centre of plate body, and two profiled holes are symmetrically distributed along the center of circle of stress relief hole.

As preferably, said profiled holes is made up of outer arcuate, trapezoidal, rectangle and inboard arc four parts, and the string of said outer arcuate is trapezoidal upper base, and the long limit of rectangle is trapezoidal going to the bottom, and the long limit of rectangle is the string of inboard arc, this pass best results.

As preferably, the width of said plate body is 100mm or 85mm, and the length of profiled holes is 48.5mm, and width is 42mm, and this size is effective, and consumptive material is few.

As preferably, said stress relief hole is that diameter is the circular port of 38mm, and stress relief is effective.

The beneficial effect of the utility model: the utility model adopts profile hole, and in the middle of carrier bar, increases by a stress relief hole, has improved the fatigue life and the diffusion-induced stress of inner plate, has reduced the focal point of stress stress value, has greatly improved disrumpent feelings stretch ratio; Conveyer chain increases fatigue life; Stress relief hole is further with the load rectangular distribution, and this structure has not only improved the quality of big specification gig conveyer chain, and has made the weight saving of inner plate single-piece 10%; Alleviate the deadweight of conveyer chain, reduced raw materials consumption.

Characteristic of the utility model and advantage will combine accompanying drawing to be elaborated through embodiment.

[description of drawings]

Fig. 1 is the structural representation of prior art intermediate plate circular hole;

Fig. 2 is the structural representation in the flat hole of prior art intermediate plate list;

Fig. 3 is the structural representation in the two flat holes of prior art intermediate plate;

Fig. 4 is the structural representation of a kind of conveyer chain carrier bar of the utility model;

Fig. 5 is the partial schematic diagram of profiled holes in a kind of conveyer chain carrier bar of the utility model.

[specific embodiment]

Consult Fig. 4,5, a kind of conveyer chain carrier bar comprises plate body 1, has two profiled holes 2 and a stress relief hole 3 on the said plate body 1, and said stress relief hole 3 is located at the centre of plate body 1, and two profiled holes 2 are symmetrically distributed along the center of circle of stress relief hole 3.Said profiled holes 2 is made up of outer arcuate, trapezoidal, rectangle and inboard arc four parts, and the string of said outer arcuate is trapezoidal upper base, and the long limit of rectangle is trapezoidal going to the bottom, and the long limit of rectangle is the string of inboard arc.The length of profiled holes 2 is 48.5mm, and width is 42mm.The width of plate body 1 can adopt conventional 100mm width, also can adopt the narrow boards of 85mm, has further reduced consumptive material, and present embodiment is that example describes with the accompanying drawing of the narrow boards of 85mm, and the plate body structure of 100mm width and 85mm's is similar, just the edge broad.Stress relief hole is that diameter is the circular port of 38mm, and stress relief is effective.

Two profiled holes 2 are adopted at these conveyer chain carrier bar two ends; The middle stress relief hole 3 that increases; Improve the fatigue life and the diffusion-induced stress of inner plate, reduced the focal point of stress stress value, thereby can plate body 1 be improved to 85mm * 16mm from 100mm * 16mm; Thereby made the weight saving of inner plate single-piece 10%, alleviated deadweight and raw materials consumption.The angle of the poroid diclinic of narrow boards abnormity is very important, angle change with the variation relation of maximum stress very greatly, so the utility model is very important according to the size that angle changes the above-mentioned profiled holes 2 that is adopted.Carried out design, made sample by above-mentioned requirements through company, carried out rupture strength and stretch ratio test with lacerating machine, carried out test fatigue life with fatigue tester, the data from test obtains have reached design goal.

Through test, the performance perameter that obtains various holes is shown in table one.

Table one:

The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection domain that scheme after the utility model simple transformation is all belonged to the utility model.

Claims

1. a conveyer chain carrier bar comprises plate body, it is characterized in that: have two profiled holes and a stress relief hole on the said plate body; Said stress relief hole is located at the centre of plate body; Two profiled holes are symmetrically distributed along the center of circle of stress relief hole, and said profiled holes is made up of outer arcuate, trapezoidal, rectangle and inboard arc four parts, and the string of said outer arcuate is trapezoidal upper base; The long limit of rectangle is trapezoidal going to the bottom, and the long limit of rectangle is the string of inboard arc.

2. a kind of conveyer chain carrier bar as claimed in claim 1 is characterized in that: the width of said plate body is 100mm, and the length of profiled holes is 48.5mm, and width is 42mm.

3. a kind of conveyer chain carrier bar as claimed in claim 1 is characterized in that: the width of said plate body is 85mm, and the length of profiled holes is 48.5mm, and width is 42mm.

4. like each described a kind of conveyer chain carrier bar in the claim 1～3, it is characterized in that: said stress relief hole is that diameter is the circular port of 38mm.