DD264045A1 - NON-CONSTRUCTIVE TRANSFER TREATMENT FOR SCHUETTGUT - Google Patents

Abstract

The invention relates to a clog-free Uebergabeschurre for Schuettgut, preferably on jibs of open pit mining equipment for transfer to downstream conveyor such. As strip systems or spreaders is used. The aim of the invention is to reduce the cost of materials for Geraetekonstruktion and pollution on o. G. keep downstream promoters low. It is the task of creating a Überschabeschurre that prevents blockages and causes a good bundling of Foerdergutstromes in normal operation. This happens according to the invention in that the suspension point 3 of the movable chute part 2 is above and at a great distance from the chute part 2, outside the gravity line of action of the common center of the chute part 2 and its suspension 4 and on the side opposite the chute part 2 facing side and the movable Schurrenteil 2 abuts on another chute part 5. Fig. 1

Description

For this 2 pages drawings j

Field of application of the invention

The invention relates to a blockage ^ free transfer chute for bulk material. Preferably, such transfer chutes are i dump jibs of opencast mining equipment such. As bucket wheel excavator, bucket excavator, belt truck and the like j

for conveyed goods to downstream conveyors such. As tape systems, belt cars, spreaders, etc. used. j

Characteristic of the known technical solutions j

For the transfer of the conveyed goods to downstream conveyors ₍ such as belt conveyors, hopper cars, conveyor belts,

Absetzer and the like except in train loading, two T / pen of transfer chutes are known. First, these are the

simple baffle constructions.

These are lightweight, uncomplicated in construction and have the advantage that they do not enclose the Fördergutstrom on all sides and

therefore, do not tend to blockage. Therefore, even small masses, which result from a blockage, at the j

Dimensioning of the opencast mining equipment. The disadvantage is the very large spreading or spraying area,!

whereby subsequent conveyors heavily pollute. In practice, attempts are made to overcome this disadvantage _;

to encounter suspended hose chutes, but the blockages and uncontrollable additional loads on the j

usually lead to long discharge booms.

Second, there are transfer hurrles with a fixed hull shell and a 360 ° swivel spout, j

which makes it possible to give up the conveyed goods to the downstream conveyor in the corresponding conveying direction.

The required rotary joint requires an allssitig closed. Ring, which, additionally reinforced by the inclined

Outlet, with sticky or very lumpy conveyed tends to clogging. This applies to all closed ring!

Guiding devices, even if they have no Drehverbindunge. ,

The solution of a clogging-free guiding device set out in DE-OS 3,143,922 B 65 G47 / 18 has a closed annular frame in which the hopper segments are rotatably mounted at their upper end.

This can be prevented only below the annular frame blockages. The annular frame forms the

narrowest cross section and can therefore lead to clogging. A decisive disadvantage of the chute designs!

Closed ring is that in the design of the Verladeauslegers and the overall device a much larger:

Blockage volume must be considered. More costly constructions for the loading boom as well as for the - '

Entire device are the result. , :

Maintaining the original loader torque requires shortening the boom length. That brings with it:

the device operator technological disadvantages because z. B. the return cycle of the belt system must be shortened.

Aim of the invention!

The aim of the egg isi is it, by preventing the constipation during the transfer and loading of bulk material z. At j

Open pit mining equipment, the required material costs for the construction of the equipment and the pollution to i

nachgescha cal conveyors such as belt systems, hopper wagon, Bandabsetzer, belt car and the like low j

hold. j

At the same time, the aim of the invention is to increase device safety and availability. !

Presentation of the veson of the invention There is therefore the task of creating a transfer chute for bulk material conveyors, which prevents blockages and

a good Bündolung the Fördergutstromes causes.

According to the invention, this is done by the articulation point of a movable chute part above and with a large Distance from the chute part is arranged, whereby the cross section for the passage of Fördei medium in the case of Opened in the entire area of the movable chute part expanded. The pivot point is also outside the Gravity line of action of the common center of gravity of the moving chute part and its suspension as well as on

the opposite part of the chute facing side. The bullying! is pivotally mounted in two suspension points located on opposite sides of the baffle.

During normal operation, the movable chute part is supported against the rigid chute part. Be! the pivotable displacement of both chute parts on the opposite sides of the baffle wall are supported

both bats parts against each other or against the baffle bottom edge.

The suspensions are to be arranged on the respective chute part so that the renschwerpunkx formed by the Schui Closing torque in normal operation, ie without blockage, the mutual support of Schurrenlailb with each other

and / or at the Prallwanu'unterkante causes. An opening of the movable chute part by overcoming settable closing torque is caused by en'iialtene in the conveyed parts of large dimensions, which cause a deflection of one or both parts of the chute due to the support on both chute parts. This can be such

Parts pass through the chute unhindered. At the same time is contained by the prevention of jamming of the conveyed Sharing large dimensions largely excludes the most important cause of blockage. By several

Adjacent suspension points on the baffle and / or on the bollard suspension, a change in the closing moment of the movable baffle part is achieved by offsetting the suspension or pivot point.

To further increase the closing torque additional masses can be attached to the movable chute part. To prevent belt damage to postponed conveyors and to prevent encrustation on the belt

fixed and / or movable chute part may be used for the lower portions of elastic material, preferably rubber, the amrahmenartigen upper part is attached i.

By the normally narrowing in normal operation opening cross section of the movable part of the chute is a good Concentration of Fördergutstromes reached and the scattering or spray area significantly reduced and pollution of the

Downstream conveyors reduced.

embodiment

In a drawing, the blockage-free loading chute for bulk material is shown schematically and described in one embodiment. It show the

Figure 1: A transfer chute with a movable chute bottom Figure 2: A Übet gabeschurre with two movable chute bottom parts

On the fixed baffle 1, the rigid chute base 5 is fixed and forms an extension of the baffle. 1 On both sides of the baffle 1 there are several suspension points 3 for the movable chute base 2, with

the suspension 4 is rigidly connected. The movable chute base 2 is supported against the fixed chute bottom 5ab. Due to the three adjacent suspension points 3 is an adjustment for changing the

Closing moment available. Another way to increase the closing torque is the attachment of additional sheets on

movable chute bottom part 2. The chute bottom parts 2 i'.id 5 consist of a frame-shaped upper part 2.1. . 5.1, ^dasd:; Supporting function takes over, as well as the attached part of rubber base 2.2. or 5.2.

FIG. 2 shows an exemplary embodiment with two movable ₍ mutually supporting chute bases 2 and 6.

Claims (4)

1. Blockage-free transfer chute for bulk goods with a fixed impact wall, characterized by
in that a downwardly tapering movable chute part (2) adjoins the
opposite sides of the baffle wall (1) above and at a great distance from
Schurrenteil (2), outside the gravity line of the common center of gravity
Schurrenteil (2) and of the attached suspension (4) and on the
opposite chute part facing side with the rigid on the chute part (2)
arranged suspension (4) is articulated and on a fixed chute part (5) and / /
or the baffle wall (1) is supported. 2. obstruction-free transfer chute according to claim 1, characterized in that two
movable chute parts (2 and 6) are articulated on the opposite sides of the baffle wall (1) j and are supported against each other or on the baffle wall (1). j 3. obstruction-free transfer chute according to claim 1 and 2, characterized in that the J opposite sides of the baffle wall (1) and / or the suspensions (4), for adjusting the J closing torque by changing the horizontal distance of the suspension points. (3) to the gravity line of the common center of gravity of the chute part (2 and / or 6) and of its suspension (4), with a plurality of juxtaposed horizontally i Suspension points (3) are provided. ! 4. obstruction-free transfer chute according to claim 1 to 3, characterized in that the | fixed and / or movable Schurrenteile (5 and / or 2 or 6) consist of a frame-shaped upper part and are made of elastic material, preferably rubber, existing j Schurrenflächen are attached. i