JPH09263325A - Mixed loading type conveyor facility and method for modifying conveyor facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry and distribute several kinds of carried objects by changing a conveyor belt in a flat shape and then restoring the conveyor belt in a trough shape or a pipe shape by a plurality of carrier roll units and dropping a carried object by a cut gate. SOLUTION: A mixed loarding type conveyor 1 has a base table 2 provided with a carrier roll unit 10 whose slant angle can be adjusted. A conveyor belt 3 is supported by the carrier roll unit 10 and the first and second cut gates 20, 30 are disposed over the conveyor belt 3 and the first and second sub- conveyors 41, 42 are disposed under the cut gates 20, 30. For example, carried objects are placed on a main conveyor in a mixed state. When the carried objects come to a branch, the cut gates 20, 30 are waited or lowered to discharge the carried objects, whereby the three kinds of carried objects at the maximum can be distributed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trough type or pipe type conveyor facility suitable for transporting particles such as coal and ore.

[0002]

2. Description of the Related Art As a transportation means capable of preventing spillage of particles from the left and right edges of a conveyor and increasing the packing density, for example, the actual construction of Shokai 61-1659.
Trough type conveyor equipment as shown in No. 11 publication “Carrier roller for trough type belt conveyor” is widely used.

FIG. 10 is a diagram showing the principle of a conventional single-row conveyor system. A reclaimer (cargo handling machine that also functions as a landslide and a conveyor) 102 is arranged in a raw material yard 101, and a sub-machine is installed from a raw material yard to a place separated from the raw material yard. The conveyor 103 and the main conveyor 104 are extended and, for example, coal 106 is conveyed to a remote place by the conveyors 103 and 104. By the way, it may be necessary to install a new conveyer in response to the expansion or installation of the downstream equipment.

FIG. 11 is a diagram showing the principle of a conventional double-row conveyor facility. A second main conveyor 105 is added to the reclaimer 102-> sub-conveyor 103-> main conveyor 10.
4, the coal 106 is carried, and the ore 107 is carried by the reclaimer 102 → the sub-conveyor 103 → the second main conveyor 105. At this time, the sub-conveyor 103 is a distribution conveyor and has a relatively short machine length. Instead, the main conveyor 104 and the second main conveyor 105 are replaced.
Is generally a long facility of about several hundred meters.

[0005]

When the second main conveyor 105 is added, it is difficult to secure an installation space and equipment costs increase. Therefore, there is a demand for a technology capable of suppressing a rise in equipment costs without increasing the installation area so much.

[0006]

In order to solve the above problems, a first aspect of the present invention is to provide a plurality of carrier roll units for gradually changing a trough type or pipe type conveyor belt into a flat shape, and a flat conveyor belt. A mixed loading type conveyor facility is constituted by a cut gate for dropping a load to the conveyor side and a plurality of carrier roll units for gradually returning a flat conveyor belt into a trough shape or a pipe shape.

The carrier roll unit has a variable tilt structure, and a cut gate that can be moved up and down is provided at an appropriate position, so that the load that has flowed through one main conveyor line is
The flow can be split in at least two directions. Therefore, it is possible to convey and distribute a plurality of types of loads without pulling a plurality of main conveyors, suppressing an increase in installation area,
It is possible to suppress the sharp rise in equipment costs.

According to a second aspect of the present invention, a part of the existing main conveyor is removed, and a plurality of carrier roll units for gradually changing the trough-shaped or pipe-shaped conveyor belt into a flat shape are provided in the removed part. It is characterized by placing a mixed conveyor equipment consisting of a cut gate for dropping a load from the conveyor belt to the conveyor side, and a plurality of carrier roll units for gradually returning the flat conveyor belt to a trough shape or a pipe shape. This is a method of remodeling conveyor equipment.

By modifying an existing one main conveyor line, it is possible to convey and distribute a plurality of types of loads. By adopting this modification method, it is possible to suppress an increase in installation area and suppress a rise in equipment costs.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals. FIG. 1 is a plan view of a mixed loading type conveyor equipment according to the present invention. The mixed loading type conveyor equipment 1 includes a base 2 and a carrier roll unit 10 ... .. indicates a plurality. The same shall apply hereinafter.), The conveyor belt 3 supported by the carrier roll unit 10 ..., and the first and second cut gates 20 and 30 arranged above the conveyor belt 3, It is composed of first and second sub-conveyors 41 and 42 arranged below these cut gates 20 and 30.

The main part of the above configuration will be described in detail. FIG. 2 is a configuration diagram of a tilt angle variable carrier roll unit according to the present invention. A tilt angle variable carrier roll unit 10 is a center carrier roll horizontally supported on a base 2 via receiving pieces 11, 11. 12 and one end on both sides of the center carrier roll 12 and the pieces 11, 11
Side carrier rolls 13 arranged in a state of being supported by
13 and the other ends of these side carrier rolls 13 and 13 are moved up and down to change their inclination angles from, for example, 0 (horizontal) to 30.
The lifting cylinders 14 and 14 are changed up to a degree, and the pedestals 15 and 15 that support the lifting cylinders 14 and 14 are provided.

The lifting cylinder 14 is, for example, a motor 1.
4a, a cylinder 14b containing a ball screw, and a piston rod 14c, the tilt angle θ can be freely and accurately changed. When the inclination angle θ is about 30 ° as shown in the figure, the conveyor belt 3 becomes a trough type conveyor having a substantially V shape, and when θ is 0, it becomes a flat conveyor.

FIG. 3 is a sectional view of the carrier roll according to the present invention, in which the center carrier roll 12 is the receiving piece 1.
Roll shafts 12a supported by 1 and 11, bearings 12b and 12b attached to the roll shafts 12a, and hubs 12c and 12c attached to outer rings of these bearings 12b and 12b.
And a pipe 12d attached to these hubs 12c, 12c
And the roll barrel 1 attached to the outer circumference of this pipe 12d
2e, the free rotating roll is characterized in that the roll barrel 12e can freely rotate despite the roll shaft 12a being fixed. The other side carrier rolls 13 and 13 have the same structure, and detailed description thereof will be omitted.

FIG. 4 is a principle view of a cut gate according to the present invention. The first cut gate 20 is a pair of lift cylinders 21 and 21 erected on a foundation or frame and rods of these lift cylinders 21 and 21. The lifting cylinders 21 and 22 are composed of a box-shaped header 23 hung over the tips (upper ends) of the 22 and 22 and scrapers 24 and 24 (one of which is not shown in the drawing) attached to the lower portion of the header 23.
With the lifting action of 1, scraper 2 to the standby position shown by the imaginary line
It is also supposed that the scrapers 24, 24 are moved to the working positions indicated by the solid lines by moving the scrapers 4, 24 and lowering the lifting cylinders 21, 21.

At the working position, the scrapers 24, 24 are brought into sliding contact with the conveyor belt 3 and have a function of discharging the load on the belt downward to the sub-conveyor 41. In addition, it is desirable that the box-shaped header 23 is slidably contacted with a reinforcing guide (not shown) to prevent the shake in the front and back direction of the drawing. Since the second cut gate 30 is the same as the first cut gate 20, the description of the configuration will be omitted.

The operation of the above-mentioned mixed loading type conveyor equipment will be described below. FIGS. 5A to 5C are plan operation explanatory views of the mixed loading type conveyor equipment, and FIGS. 6A to 6C are cross-sectional operation explanatory views of the mixed loading type conveyor equipment. 5 (a)-(c)
In the above, for convenience, the front and rear carrier rolls 10 and 10 are set as a set and named # 1 to # 7 in the flow direction of the work.
FIG. 5A shows all of the # 1 to # 7 carrier rolls.
The first and second cut gates 2 have the configuration shown in FIG.
0 and 30 are in a standby state, and as a result, the load A is simply transported from left to right in the figure.

FIG. 5B shows the first cut gate 2 with the # 4 carrier roll 10 in the flat state shown in FIG. 6C.
0 to lower the # 3 and # 5 carrier rolls 10 ...
The tilt angle is adjusted to 10 ° as shown in (b), and the # 2 and # 6 carrier rolls 10 ...
The angle is adjusted to 0 ° and the inclination angles of the # 1 and # 7 carrier rolls 10 are adjusted to 30 ° as shown in FIG. 6 (a). As a result, the load B on the main conveyor can be paid out to the first sub-conveyor 41 as indicated by the white arrow.

FIG. 5C shows the second cut gate 4 with the # 5 carrier roll 10 in the flat state shown in FIG. 6C.
2 and lower the # 4 / # 6 carrier rolls 10 ...
The tilt angle is adjusted to 10 ° as shown in (b), and the # 3 and # 7 carrier rolls 10 ...
The angle is adjusted to 0 °, and the tilt angles of the # 1 and # 2 carrier rolls 10 ... Are adjusted to 30 ° as shown in FIG. 6 (a). As a result, the load C on the main conveyor can be paid out to the second sub-conveyor 42 as indicated by the white arrow.

A sufficiently long main conveyor (or one line) is extended from the raw material yard, and the mixed loading conveyor equipment 1 of this embodiment is arranged on the exit side of the main conveyor, and the load A is loaded on the main conveyor. (For example, coal), load B (for example, ore), and load C (for example, coke) are mixed. However, there should be some space between the loads. When the load A is approaching the branch point, the cut gate is kept waiting, and when the load B is approaching, the first cut gate is lowered immediately before the load B is discharged to the side. As soon as is approached, the second cut gate can be lowered immediately before the load C is discharged aside, and a maximum of three types of load A, B, C can be distributed to three locations.

FIG. 7 is a diagram of the remodeling of the conveyor equipment according to the present invention. If there is an existing main conveyor 104, the XXX portion of this main conveyor is removed and the mixed conveyor equipment 1 is fitted therein. The first and second sub-conveyors 41 and 42 may be attached. This means that the one-line trough type conveyor can be converted into the one-line-3 distribution type trough type conveyor.

Next, an example in which the present invention is applied to a so-called pipe type conveyor will be described. FIG. 8 is a cross-sectional view of the pipe type conveyor according to the present invention. The pipe type conveyor 50 rolls the belt 51 so as to wrap the load 52 and conveys the load 52 in the front and back direction of the drawing. Therefore, the rolled belt 51 is attached to the lower carrier roll 53, the upper carrier roll 54, and the side carrier rolls 55,
55, the upper carrier roll 54 is held by a top cylinder 56 so as to be able to move up and down, and the side carrier rolls 55,
55 is swingably held by swing cylinders 57, 57.

FIG. 9 is a view showing the operation of FIG. 8. When the piston rods of the swing cylinders 57, 57 are fully pulled, the lower carrier roll 53 and the side carrier rolls 55, 55 are in a horizontal line, and the belt 51 is flat. Become. In this state, the load may be discharged to the side by a not-shown cut gate (see FIG. 4). Therefore, the pipe-type conveyor 50 can also constitute a mixed-loading type conveyor facility, or the conventional pipe-type conveyor shown in FIG. It can be converted into a one-line / three-distributed conveyor as required.

[0023]

The present invention has the following effects due to the above configuration. According to claim 1, a plurality of carrier roll units for gradually changing the trough-shaped or pipe-shaped conveyor belt into a flat shape, a cut gate for dropping a load from the flat conveyor belt to the conveyor side, and a flat shape Since the mixed-type conveyor facility is configured by a plurality of carrier roll units that gradually returns the conveyor belt to the trough shape or the pipe shape, the load that has flown through one main conveyor line can be diverted in at least two directions. Therefore, it is possible to convey and distribute a plurality of types of loads without pulling a plurality of main conveyors, and it is possible to suppress an increase in installation area and a rise in equipment costs.

According to a second aspect of the present invention, a part of the existing main conveyor is removed, and a plurality of carrier roll units for gradually changing the trough-shaped or pipe-shaped conveyor belt into a flat shape are provided in the removed part. By placing a mixed-gate conveyor facility consisting of a cut gate for dropping the load from the conveyor belt to the conveyor side and a plurality of carrier roll units for gradually returning the flat conveyor belt to a trough or pipe shape, multiple types can be installed. It is possible to modify the equipment to transport and distribute the cargo of the above. By adopting this modification method, it is possible to suppress an increase in installation area and suppress a rise in equipment costs.

[Brief description of drawings]

FIG. 1 is a plan view of a mixed conveyor facility according to the present invention.

FIG. 2 is a configuration diagram of a variable tilt carrier roll unit according to the present invention.

FIG. 3 is a sectional view of a carrier roll according to the present invention.

FIG. 4 is a principle diagram of a cut gate according to the present invention.

[FIG. 5] Plane action explanatory diagram of the mixed-type conveyor equipment

FIG. 6 is an explanatory view of a cross-sectional operation of the mixed loading conveyor facility.

FIG. 7 is a diagram showing how to remodel conveyor equipment according to the present invention.

FIG. 8 is a sectional view of a pipe conveyor according to the present invention.

FIG. 9 is an operation diagram of FIG. 8;

FIG. 10: One principle diagram of conventional single-row conveyor equipment

FIG. 11: Principle diagram of conventional double-row conveyor equipment

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Mixed loading conveyor equipment, 2 ... Base, 3, 51 ... Conveyor belt, 10 ... Carrier roll unit, 12 ... Center carrier roll, 13 ... Side carrier roll, 14
... Lifting cylinders, 20, 30 ... Cut gates, 24 ... Scrapers, 41, 42 ... Sub conveyors, 50 ... Pipe type conveyors, 104 ... Existing main conveyors.

Claims (2)

[Claims] 1. A plurality of carrier roll units for gradually changing a trough-shaped or pipe-shaped conveyor belt to a flat shape, a cut gate for dropping a load from the flat-shaped conveyor belt to the conveyor side, and a flat-shaped carrier roll unit. Mixed loading conveyor equipment consisting of multiple carrier roll units that gradually return the conveyor belt to a trough or pipe shape. 2. A part of the existing main conveyor is removed,
In this removed part, a plurality of carrier roll units that gradually change the trough-shaped or pipe-shaped conveyor belt to a flat shape, a cut gate that drops the load from the flat conveyor belt to the conveyor side, and a flat shape A method of remodeling conveyor equipment comprising placing a mixed conveyor equipment comprising a plurality of carrier roll units for gradually returning the conveyor belt into a trough shape or a pipe shape.