Mobile mineral material processing station

Abstract

A mobile mineral material processing station has a mobile platform having tracks or wheels or a skids for supporting or forming a body that supports in line, in a transport configuration: a feed conveyor; a screen frame and a multi-layer screen; first and second exit conveyors; and a third exit conveyor on top of the first and second exit conveyors. The first exit conveyor turns from a transport position, under the third exit conveyor, to a first operation direction, onto a first side of the station, for operating the station, and back. The second exit conveyor turns from a transport position, under the third exit conveyor, to a second operation direction onto a second side of the station, opposite to the first side, and back.

Claims

1. A mobile mineral material processing station comprising: a mobile platform; a frame supported by or formed by the mobile platform; a screen supported by the frame and having an upstream end and a downstream end; an exit conveyor supported by the frame and positioned in line with the screen and located adjacent the downstream end of the screen; at least one actuator configured to tilt the upstream end of the screen in a first rotational direction; and a tilting mechanism configured to tilt the exit conveyor, synchronized with tilting of the screen, in a second rotational direction opposite to the first rotational direction when the at least one actuator tilts the screen in the first rotational direction.

2. The mobile mineral material processing station of claim 1, wherein the tilting mechanism is further configured maintain the exit conveyor at a distance from the downstream end of the screen that remains constant during the tilting of the exit conveyor.

3. The mobile mineral material processing station of claim 1, wherein: the mobile mineral material processing station further comprises a feed conveyor; and the feed conveyor is supported by the frame in line with the screen and the exit conveyor.

4. The mobile mineral material processing station of claim 3, wherein the tilting mechanism is configured to tilt the feed conveyor and the exit conveyor synchronized with the tilting of the screen in the second rotational direction opposite to the first rotational direction when the actuator tilts the screen in the first rotational direction.

5. The mobile mineral material processing station of claim 1, wherein: the tilting mechanism comprises feed conveyor tilting arms which comprise a first sub-arm and a second sub-arm that are pivotably connected to each other; the first sub-arm is functionally connected to the screen to move with the screen; and the second sub-arm is functionally connected to the feed conveyor to move with feed conveyor.

6. The mobile mineral material processing station of claim 5, wherein the actuator is connected to the first sub-arm.

7. The mobile mineral material processing station of claim 1, wherein the tilting mechanism is configured to tilt the feed conveyor and the exit conveyor by angles deviating at most 20 degrees.

8. The mobile mineral material processing station of claim 1, wherein the tilting of the screen in the first rotational direction increases sloping down of the screen away from the feed conveyor.

9. The mobile mineral material processing station of claim 1, wherein the screen is rotated from a compacted orientation to an operating orientation by the tilting in the first rotational direction.

10. The mobile mineral material processing station of claim 1, wherein the feed conveyor is rotated from a compacted orientation to an operating orientation by the tilting in the second rotational direction.

11. The mobile mineral material processing station of claim 1, wherein the exit conveyor is rotated from a compacted orientation to an operating orientation by the tilting in the second rotational direction.

12. The mobile mineral material processing station of claim 9, wherein the compacted orientation is parallel with a ground line of the mobile platform.

13. A method in a mobile mineral material processing station comprising a mobile platform having tracks or wheels or a skids, the method comprising: supporting or forming a frame by the mobile platform; supporting a screen by the frame, the screen having an upstream end and a downstream end; supporting an exit conveyor by the frame in line with the screen and adjacent to the downstream end of the screen; tilting by at least one actuator the upstream end of the screen in a first rotational direction; and tilting by a tilting mechanism the exit conveyor, synchronized with the tilting of the screen, in a second rotational direction opposite to the first rotational direction when the actuator tilts the screen in the first rotational direction.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) Some example embodiments of the invention will be described with reference to the accompanying drawings, in which:

(2) FIG. 1 shows in a partly extended configuration a mobile mineral material processing station; and

(3) FIG. 2 shows the mobile mineral material processing station in an operating configuration.

DETAILED DESCRIPTION

(4) In the following description, like reference signs denote like elements or steps.

(5) FIG. 1 shows in a partly extended configuration a mobile mineral material processing station 100, or station 100 in short. The station comprises: a mobile platform 110 comprising tracks 112 or wheels or a skids; a frame 120 supported by or formed by the mobile platform; supported by the frame 120 in line: an optional feed conveyor 130; a screen 140; and an exit conveyor 150; at least one actuator 160 configured to tilt the screen 140 in a first rotational direction; and a tilting mechanism 132, 134, 136, 152, 154 configured to tilt the feed conveyor 130 (optional) and the exit conveyor 150 synchronized with the screen 140 in a second rotational direction opposite to the first rotational direction when the actuator 160 tilts the screen 140 in the first rotational direction.

(6) The tilting mechanism 132, 134, 136, 152, 154 of FIG. 1 comprises: a first sub-arm 132 and a second sub-arm 134 that are pivotably connected to each other and together link the feed conveyor 130 to the screen 140; a sliding support 136 for another end of the feed conveyor 130; a lower arm 152 fixedly connected to a sub frame 153 of the screen 140 and extending to pivotably connect with a receiving end of the exit conveyor 150; the sub frame 153 is pivotably 155 connected to the frame 120 a body arm 154 for suspending the exit conveyor 150 from a pivot point fixed in relation to the frame 120.

(7) In an embodiment, the exit conveyor 150 is maintained by the tilting mechanism at a constant distance from the screen 140.

(8) In FIG. 1, there are two actuators 160 at both sides of the station 100. The actuators 160 of FIG. 1 are linear actuators such as hydraulic or pneumatic cylinders. Furthermore, in the station 100 of FIG. 1, there the drawn parts of the tilting mechanism are provided on both sides of the station 100.

(9) The actuators 160 of FIG. 1 are connected to the first sub-arms 132 of the same side of the station 100 so that all of the feed conveyor 130, screen 140 and the exit conveyor 150 can be retracted in line and in a succession one after another and then extended again so that the tilting mechanism tilts also all of the feed conveyor 130, screen 140 and the exit conveyor 150 simultaneously and synchronously. A discharging end of the exit conveyor 150 is lifted by the tilting mechanism higher up so that bigger piles can be formed or direct loading to trucks is facilitated, whereas the retracted configuration can still be maintained relatively low for facilitating transport.

(10) The tilting mechanism may be configured to tilt the feed conveyor and the exit conveyor by angles deviating at most 1 degree, 5 degrees, 10 degrees, 15 degrees or 20 degrees.

(11) The tilting of the screen 140 in the first rotational direction may increase sloping down of the screen 140 away from the feed conveyor.

(12) FIG. 2 shows the station 100 in an operating configuration in which the screen 140 has been rotated from a compacted orientation to an operating orientation by tilting in the first rotational direction. As shown in FIG. 1, the compacted orientation can be parallel with a ground line of the mobile platform or deviate from the parallel by at most by 1 degree, 5 degrees, 10 degrees or 15 degrees.

(13) FIG. 2 also shows that the feed conveyor 130 has been rotated from a compacted orientation to an operating orientation by the tilting in the second rotational direction and that the exit conveyor 150 has been rotated from a compacted orientation to an operating orientation by the tilting in the second rotational direction.

(14) Various embodiments have been presented. It should be appreciated that in this document, words comprise, include and contain are each used as open-ended expressions with no intended exclusivity.

(15) The foregoing description has provided by way of non-limiting examples of particular implementations and embodiments of the invention a full and informative description of the best mode presently contemplated by the inventors for carrying out the invention. It is however clear to a person skilled in the art that the invention is not restricted to details of the embodiments presented in the foregoing, but that it can be implemented in other embodiments using equivalent means or in different combinations of embodiments without deviating from the characteristics of the invention.

(16) Furthermore, some of the features of the afore-disclosed embodiments of this invention may be used to advantage without the corresponding use of other features. As such, the foregoing description shall be considered as merely illustrative of the principles of the present invention, and not in limitation thereof. Hence, the scope of the invention is only restricted by the appended patent claims.