FR2503108A1 - TRANSPORTING APPARATUS WITH RACLETTES - Google Patents

Abstract

THE INVENTION CONCERNS A SQUEEGEE CONVEYOR APPARATUS INTENDED TO SUPPLY A STORAGE ZONE WITH MATERIAL AND TO EXTRACT THESE MATERIALS, INCLUDING A VERTICAL CENTRAL COLUMN 1, A SUPPORT 6 WHICH CAN PIVOT HORIZONTALLY AROUND THE VERTICAL AXIS 1 OF THE LADITE, AND A SQUEEGEE CONVEYOR 2 WHICH IS SUSPENDED ON LEDIT SUPPORT 6 SO AS TO BE ABLE TO MOVE VERTICALLY IN RELATION TO AUDIT SUPPORT 6 AND WHOSE INTERNAL END IS MOUNTED ON THE SAID COLUMN 1. ACCORDING TO THE INVENTION, THE INTERNAL END OF SUPPORT 6 IS MOUNTED TO ROTATE AROUND THE VERTICAL AXIS OF COLUMN 1 AND ITS EXTERNAL END CIRCULATES ON A TRACK 9 CENTERED ON THE AXIS OF COLUMN 1, THE SQUEEGEE CONVEYOR 2 IS MOUNTED ON COLUMN 1 SO AS TO BE ABLE TO PIVOT HORIZONTALLY AND MOVE VERTICALLY IN RELATION TO COLUMN 1.

Description

The present invention relates to a

  scraper conveyor apparatus for feeding material

  a storage area and extracting said material; this appa-

  The raclette conveyor is of the type

  vertical center, a support that can rotate horizontally

  around the vertical axis of the column and a transpor-

  scraper which is suspended on said support, for example

  by means of cables, which can move vertically and horizontally

  laterally and preferably has only one arm.

  The material to be transported can be a bulk material, that is,

  to say a loose or particulate material.

  Such an apparatus is known from the

  German Patent No. 2,014,332. In this patent there is described a trans-

  horizontal squeegee carrier which is guided

  tical on a pivoting central column and pivots laterally at the same time as said column. Guiding devices

  necessary require a relatively heavy construction

  both a massive central column and a heavy steel frame.

  Because the column and guiding devices must

  turn with the support and the raclette conveyor,

  full rotation is necessary and must be provided

  by a relatively powerful and costly drive mechanism

  expensive. It is desirable to reduce the

  weight and power of the drive mechanism and, more

  particular, to design a device that requires a lower torque, has a light steel frame and can be

  driven by a relatively simple mechanism,

  preferably, an increased stabilization of the assembly of the former

  inner trough of the scraper conveyor on the central column

tral.

  According to the invention, the

  internal support is supported by the column and its

  external tremit circulates on a track forming at least one arc? 3d 1 O 8 2-

  of a circle centered on the vertical axis of the column, in addition to the

  inner trough of the raclette conveyor is mounted on the

  to rotate horizontally and move

clam with respect to the column.

  Thus, the use of the invention eliminates the need for heavy guiding devices on the

  column provided in the prior art of the art; the constitution

  truction can be lighter and less expensive with less steel reinforcement. As a result, the torque needed for

  rotation of the support and the scraper conveyor is

  ble and the drive mechanism may be simpler.

  Other characteristics and advantages

  The invention will become apparent from the following description,

  by way of nonlimiting example and with reference to the appended drawings, in which: FIG. 1 is a side view of a scraper conveyor apparatus according to the invention shown

  in solid lines in its high position and in broken lines

  no longer in its low position; FIG. 2 is a plan view; FIG. 3 is a horizontal section, on a large scale, along the line III-III of Figure 1; FIG. 4 is a detail view, in large scale, of FIG. 3, and FIG. 5 is a side view on a scale somewhat inferior to that of FIG.

  looking along the arrow IV of Figure 1.

  It is seen in the drawings a combined scraper conveyor apparatus for supplying material to a storage device and removing said material, this material being packed in an arcuate zone. A fixed central column 1 has a vertical axis in which a horizontal squeegee conveyor 2 is mounted.

  which includes only one arm and can move vertically

  horizontally with respect to the column - 3- 1. There are provided mounting means which comprise guide rollers 3 for mounting the inner end of the scraper conveyor on the column 1, while allowing the carrier squeegee to rotate horizontally around column 1 and move vertically relative to

  column 1. The guide rollers 3 are journalled by means of

  known (not shown) on the inner end of the trans-

  raclette carrier 2 so as to turn about a hinge axis

  rice and are arranged at regular intervals around the co-

  lonne 1 (Figure 4). The inner end of the conveyor

  clettes is constituted by a horizontal plate 4 to which the squeegee conveyor is connected by a hinge 5

  which allows a certain pivoting movement, but no movement

  rotation between plate 4 and the rest of the transpor-

  squeegee 2. The entrapment of the squeegee conveyor may be of any suitable type; such trainings are

well known.

Directly above the transpor-

  scraper 2, there is a horizontal support arm 6. The ex-

  internal end of the support arm 6 is supported by rotary support means 7 on or above the wall of the column 1 so

  to rotate about said vertical axis. The means of support

  tatives can be a usual axial / radial bearing. Ways

  or drive mechanisms for pivoting the support arm

  port 6 are of well-known type and they could for example be

  consisting of a pinion gear with a ring gear

  large-size grading (not shown) attached to the inner end of the support arm 6. The outer end of the support arm

  6 is supported by circumferentially moving support means

  ferential constituted by at least one wheel 8 which rolls on a track 9 extending over at least one circular arc centered

  on the vertical axis of column 1. Runway 9 is approximately

  at the top of column 1, in fact a little over

  above the top of column 1. According to a variant of

  According to the invention, the drive mechanisms can act on the wheel or wheels 8. The scraper conveyor 2 is suspended on the support arm 6 via means

  appropriate suspension which allows a vertical movement

  scraper conveyor 2 with respect to the support arm

  port 6; these suspension means are constituted by at least four cables 10 which therefore act as driving means for the vertical movement of the scraper conveyor 2; these cables 10 are connected to winches 11 provided with an arrangement of

  appropriate pulleys (see Figure 1). To stabilize the trans-

  Scraper carrier 2, telescopic arms 12 are disposed on each side near its outer end and small pivotally mounted links 13 are also arranged near

  the outer end of the scraper conveyor 2, in cooperation

  with an appropriate guide track 14.

  To feed the material storage area, there is a belt 15 which, via

  a small hopper, brings the material onto a carrier of

  a belt 16 which is carried by an arm 17. This arm 17 is pivotally mounted at 18, above the column 1 and is connected to a small carriage 19 which rolls.

  on a special runway on the top of the trans-

  2. The arm 17 increases the stabilization of the squeegee conveyor 2. The arm 17 pivots at the same time

  the support arm 6. When the storage device is

  In this case, the scraper conveyor 2 is placed in its lowest position (shown in broken lines) and the bulk material is fed to the scraper conveyor.

  through the feeding belt 16. The conveyance

  raclette carrier 2 moves in a direction such that the material

  is transported to its outer end and distributed from

  uniformly in the storage area by vertical slats

  2. It should be noted that the cour-

  Feeder 16 feeds the material to the upper part of the path of the scraper conveyor 2 and the blades of the upper part of the trajectory actually distribute the material over the entire lower part of the trajectory of the racetrack.

raclette transporter 2.

  A central tank or outlet channel 20 is disposed below the central column for the purpose of extracting the material from the storage area. The material

  may then be evacuated by any appropriate means.

  The central column 1 is circular and its thickness is relatively small, although, if desired, its top can be supported by a beam 21 in

  cantilever, this depending on what the carrier to ra-

  clettes 2 should turn on the complete circumference or no.

-6-

Claims (1)

  ) - Rack conveyor apparatus   intended to supply material to a storage area and to   extracting said material, comprising a vertical central column   wedge (1>, a support (6) which can pivot horizontally about the vertical axis of said column (1> and a scraper conveyor (2) which is suspended on said support (6) so as to be able to move vertically with respect to said support (6) whose inner end is mounted on said column (1), characterized in that the inner end of the support (6) is rotatably mounted about the vertical axis of the column (1) and its outer end runs on a track (9) centered on the axis of the column (1), the scraper conveyor (2) being   mounted on the column (1) so as to be able to pivot horizontally   talement and move vertically with respect to column (1). Apparatus according to claim 1, characterized in that the scraper conveyor <2) is   suspended on the support (6) via at least four cables (10). ) - Apparatus according to any one   Claims 1 and 2, characterized in that the carrier   with squeegees (2) is arranged to supply material to the storage area and comprises a feed conveyor (16) for this purpose. ) - Apparatus according to any one   Claims 1 to 3, characterized in that the conveyor   wiper (2) is arranged to extract the material from the storage area and an outlet (20) is provided below the central column (1) to receive material extracted from the storage area by the squeegee transporter (2). ) - Apparatus according to any one   Claims 1 to 4, characterized in that the central column   trale (1) is tubular and thin.   -7-) - Apparatus according to any one   Claims 1 to 5, characterized in that the carrier   squeegee (2) comprises a single arm which is suspended on the   support (6) by means of cables (10), in that the end   the support (6) is situated above the column (1), in that the track (9) is approximately at the level of the vertex of   the central column (1) and that the radial end inter-   of the scraper conveyor (2) is mounted on the column (1) by means of guide rollers (3) which are journalled on the inner end of the scraper conveyor so as to rotate about horizontal axes and which are arranged around of the central column (1).