Flexible hopper for a conveyor system

Patent metadata

Field	Value
Publication number	US-11370617-B2
Application number	US-202016751279-A
Country	US
Kind code	B2
Filing date	Jan 24, 2020
Priority date	Jun 26, 2018
Publication date	Jun 28, 2022
Grant date	Jun 28, 2022

Abstract

Some examples described herein include a flexible hopper for a conveyor system. The flexible hopper may include a hopper weldment attached to a frame of the conveyor, wherein the hopper weldment surrounds a charge end of the conveyor, a flexible frame configured to enable an opening of the flexible hopper to expand or contract, and/or a skirt attached to the flexible frame and configured to form an enclosure between the flexible frame and the hopper weldment.

First claim

What is claimed is:

1. A cold planer, comprising:
a frame;
at least one traction device configured to support the frame;
a milling drum;
an engine supported by the frame and configured to drive the at least one traction device to propel the cold planer and the milling drum to remove material;
a first conveyor comprising a first charge end, configured to receive material removed by the milling drum, and a first discharge end;
a second conveyor comprising a second charge end and a second discharge end; and
a flexible hopper fixed to the second charge end of the second conveyor and configured to receive material from the first discharge end of the first conveyor,
wherein the flexible hopper comprises:
a flexible frame, and
a flexible skirt attached to the frame and configured to form an enclosure between the first discharge end and the second charge end.

2. The cold planer of claim 1 , wherein the flexible hopper further comprises a hopper weldment,
wherein the hopper weldment is attached to the second conveyor and supports the flexible frame.

3. The cold planer of claim 2 , wherein a first end of the flexible skirt is attached to the hopper weldment and a second end of the flexible skirt is attached to the frame to form the enclosure.

4. The cold planer of claim 3 , wherein the flexible frame is attached to the flexible skirt between the first end of the flexible skirt and the second end of the flexible skirt.

5. The cold planer of claim 1 , wherein the flexible frame comprises:
a flexible support formed from a flexible connector and a plurality of frame supports,
wherein the flexible support is attached to the flexible skirt to form the enclosure; and

a plurality of brackets connected to a hopper weldment and the flexible support,
wherein the hopper weldment is connected to the second conveyor.

6. The cold planer of claim 5 , wherein the flexible connector comprises an elastic tensioning member that runs through one or more of the plurality of frame supports to form the flexible support.

7. The cold planer of claim 5 , wherein each one of the plurality of brackets comprises a hinge.

8. The cold planer of claim 1 , wherein the flexible frame has a first shape when the cold planer is in operation and the flexible frame has second shape when the cold planer is not in operation.

9. A machine comprising:
a milling drum configured to remove material;
a conveyor to convey material from a charge end to a discharge end,
wherein the material is received at the charge end from the milling drum; and

a flexible hopper configured to receive material from the discharge end,
wherein the flexible hopper comprises:
a flexible frame, and
a flexible skirt attached to the flexible frame and configured to form an enclosure associated with the discharge end.

10. The machine of claim 9 , wherein the conveyor is a first conveyor, the charge end is a first charge end, and the discharge end is a first discharge end, and
wherein the machine further comprises:
a second conveyor to convey material from a second charge end to a second discharge end,
wherein the flexible hopper includes a hopper weldment surrounds the second charge end to enable the enclosure to be formed between the first discharge end and the second charge end.

11. The machine of claim 10 , wherein the flexible frame comprises one or more flexible supports to enable an opening of the flexible hopper to expand or contract based on a rotation of the second conveyor about the second charge end.

12. The machine of claim 9 , wherein the machine further comprises:
a frame that supports the milling drum, the conveyor, and the flexible hopper, and
wherein the flexible hopper includes a hopper weldment,
wherein a first end of the flexible skirt is attached to a hopper weldment and a second end of the flexible skirt is attached to the frame to form the enclosure.

13. The machine of claim 12 , wherein the enclosure extends from the discharge end to the hopper weldment and the flexible frame is attached to the flexible skirt between the first end and the second end.

14. The machine of claim 9 , wherein the flexible frame comprises one or more flexible supports to enable the flexible frame to expand or contract based on an amount of the material received by the flexible hopper.

Assignees

• Caterpillar Paving Products Inc

Inventors

• Hirman Colton
• Mashek Nathan
• Johnson Nick
• Hutar Ryan

Classifications

• B65D90/00

  Component parts, details or accessories for large containers (B65D88/34 - B65D88/78 take precedence) · CPC title

• B65G2201/04

  Bulk · CPC title

• B65G47/18

  Arrangements or applications of hoppers or chutes · CPC title

• B65G65/40

  Devices for emptying otherwise than from the top · CPC title

• E01C23/088 Primary

  Rotary tools, e.g. milling drums {(for forming recesses to receive marking materials E01C23/0946)} · CPC title