JPH09110122A - Unit type belt conveyor - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To efficiently perform the work of locally installing a belt conveyor of a grain storage facility such as a country elevator or a rice center that dry-stores grains such as rice and wheat. SOLUTION: A belt conveyor A is provided with a drive unit 4 in which a drive roller 11 is arranged, a driven unit 5 in which a driven roller 12 is arranged, and a guide frame 1 for guiding the upper conveyance side of the flat belt in a substantially V shape. Intermediate unit 6
The intermediate unit 6 can be adjusted by increasing or decreasing the number of intermediate units 6 between the drive unit 4 and the driven unit 5, and the intermediate unit 6 can be attached to the intermediate frame mount 31.
And a height adjusting mechanism was provided on the intermediate frame mount.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for facilitating local installation work of a belt conveyor in a grain storage facility such as a country elevator or a rice center for dry storage of grains such as rice and wheat. .

[0002]

2. Description of the Related Art Conventionally, in a country elevator, rice center, etc., a conveyor around which a flat belt is wound in order to convey an object to be conveyed (mainly grain) to a device for working such as drying, hulling and rice polishing. The rollers and guide frames that support the flat belt are formed in a V shape (or U shape) in cross section, and the flat belt is bent from the center in the direction perpendicular to the conveying direction to Techniques for receiving grains and preventing them from spilling laterally are known. Parts of this belt conveyor are manufactured at the factory, for example, the guide frame is manufactured at the factory to the length required after receiving the order,
Then, the manufactured parts were brought in to the site, assembled on a belt conveyor at the site, and then installed.

[0003]

However, in the prior art, since the belt conveyor is used for assembling the parts on site, the work for loading the parts and the assembling work on site are required. Yes, it takes time and labor to carry in and assemble, and it becomes difficult to secure the space required to assemble the belt conveyor at the construction site of the factory or facility where the installation work of multiple devices is being performed sequentially. There were times when I couldn't get the job done smoothly due to the time delay. Also,
Although rollers were arranged in order to reduce the conveyance resistance during conveyance, unevenness was generated during conveyance, resulting in uneven conveyance. Therefore, there has been a demand for a belt conveyor that can be easily performed on site.

[0004]

The present invention uses the following means in order to solve the above problems. That is, a driving roller and a driven roller are arranged at both ends of the conveyor, a flat belt is wound around the driving roller and the driven roller, and the upper conveyance side of the flat belt is formed into a substantially V shape in cross section by using a guide member. In a belt conveyor that bends and conveys a belt conveyor, a drive unit in which a driving roller is arranged in the belt conveyor, a driven unit in which a driven roller is arranged, and a guide frame which guides the upper conveyance side of the flat belt in a substantially V shape are arranged in the middle. It is composed of a unit, and the conveyance distance can be adjusted by increasing or decreasing the number of intermediate units between the drive unit and the driven unit, and the intermediate unit is supported by the intermediate frame mount, and the height is adjusted on the intermediate frame mount. A mechanism was set up.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems and configurations to be solved by the present invention are as described above. Next, an embodiment of the present invention shown in the attached drawings will be described. FIG. 1 is an overall side view of a unit type belt conveyor, FIG. 2 is a front view partial sectional view showing a support structure of an intermediate unit on an intermediate frame mount, and FIG. 3 is a side view of an intermediate frame mount of an intermediate unit of the present invention. 4 is a side view showing a drive unit, FIG. 5 is a side view showing a driven unit, FIG. 6 is a side view showing an intermediate unit, FIG. 7 is a view showing a storage system in a country elevator, FIG. 8 is a drive unit and a driven unit. It is a front view (rear view) partial cross-sectional view.

A grain drying and storage system in a country elevator to which the unit type belt conveyor of the present invention is applied will be described with reference to FIG. Grain (paddy) harvested at each farm is put into the cargo receiving conveyor 42 from the cargo receiving section 41 of the building, and passed on to the conveyor 45 via the cargo receiving coarse sorting machine 43 and the elevator 44,
It is conveyed from the conveyor 45 to the drying section 47 via the carry-in conveyor 46. In the drying section 47, the grains conveyed by the carry-in conveyor 46 are sent to the storage / drying bins 48, 48 ... And the normal temperature / constant humidity air generated by the normal temperature / constant humidity dryer 57 is pushed in to obtain a predetermined moisture content. The grain is dried. The storage and drying bottle 48.48 ...
・ The dried grain inside the conveyor 49 and the elevator,
The grain is sent to each of the silos 53 of the storage unit 52 via the connection conveyor 50 and the carry-in conveyor 51 to store the grain. The grains stored in the silos 53, 53, ... Are carried out through the discharge conveyor 54 to the adjusting unit 55 including a grain huller, rice mill, etc., and the adjusting unit 5
5 configures a system for shipping adjusted product grains.

A rotation valve 56 is provided at the end of conveyance of the carry-out conveyor 49 to selectively connect the carry-out conveyor 49 to either the connecting conveyor 50 of the silo 53 or the elevator 44. By connecting the carry-out conveyor 49 and the connection conveyor 50 via the valve 56, the dry grains in the bottle 48 can be supplied to the silo 53. Further, the carry-out conveyor 44 is moved to the elevator 4 via the rotation valve 56.
By connecting to 4, the grain in one bin 48 is transferred to another bin 48, and rotation is performed to prevent uneven drying of the grain and to improve the bin usage efficiency by consolidating the grain. ing.

Next, the overall structure in which the belt conveyor A using the flat belt 13 is applied to the conveyor 45 will be described with reference to FIG. However, it can also be applied to other conveyors. The belt conveyor A has a driving roller 11 at the front end and a driven roller 12 at the rear end, and the flat belt 1 is provided around the driving roller 11 and the driven roller 12.
3 is wound. A pulley (or sprocket) is fixed to the end of the rotating shaft of the drive roller 11, and power can be transmitted by a prime mover arranged above via a belt (or chain) in the drive case 14. . A chute 15 is placed on the upper part of the flat belt 13 at the start side of the conveyance, and the grain to be conveyed is put into the flat belt 13 through the chute 15 and the flat belt 13 rotates. Then, it is conveyed forward (to the drive roller 12 side), a discharge chute 16 is formed below the drive roller 12, drops below the discharge chute 16 and is thrown into the carry-in conveyor 46, and designated. Grains are put into the storage / drying bottle 48. Further, both ends of the belt conveyor A may be placed on a weight sensor such as a load cell so that the weight of an object to be conveyed can be measured.

The belt conveyor A according to the present invention has a drive unit 4 having a drive roller 11 provided side by side, a driven unit 5 having a driven roller 12 provided horizontally, and a plurality of drive units 4 and 5 arranged between the drive unit 4 and the driven unit 5. The intermediate unit 6 is provided and these units 4, 5 and 6 are assembled by using bolts and nuts.

As shown in FIG. 4, the drive unit 4 has a case 9 formed in a substantially box shape, and a rotary shaft 11a of a drive roller 11 is rotatably supported on both side surfaces of the case 9.
1, a discharge chute 16 is disposed below the drive roller 1
1. A mounting table 23 for mounting a prime mover is arranged on the upper surface above 1, and a drive case 14 is attached to the side surface of the drive unit 4 so that power is transmitted between the drive shaft of the prime mover and the rotary shaft 11a. I have to. A lid 24 having a peep window (not shown) is openably and closably arranged behind the prime mover mounting table 23.
Opening 4 enables connection with the intermediate unit 6 and maintenance of the inside.

As shown in FIG. 8, the rear surface of the drive unit 4 is covered with a rear surface plate 22, and an upper port 22a for penetrating the upper conveyor side of the flat belt 13 is opened at the upper center of the rear surface plate 22. The flat belt 13 is continuously attached to the lower part.
The lower opening 22b for penetrating the lower return side is opened. Then, flange portions 22c and 22c are provided on both sides thereof, and bolt holes 22d and 22d are appropriately opened in the central portions of the flange portions 22c and 22c and the rear plate 22,
Along with a bolt hole opened at the same position in the flange portion 30 of the intermediate unit 6, it is configured to be easily assembled by a bolt and nut.

At the rear upper position of the case 9, left and right tilt rollers 20 and 20 for guiding the upper conveyance side of the flat belt 13 in a substantially V shape, and a flat belt at a position in front of the tilt rollers 20 and 20. Arrange vertical feed rollers 21, 21 that guide both ends of 13 upright,
Each inclining roller 20, 20 and vertical feed roller 21, 21
Is rotatably supported symmetrically. A return belt roller 3 that supports a flat belt 13 on the lower return side is rotatably supported between the drive roller 11 and the vertical feed rollers 21, 21. Therefore, the vertical feed roller 21
And the inclined roller 20 allow the flat belt 13 to have a substantially V shape.
Is guided to reach the outer peripheral surface of the drive roller 11 and is wound in a flat shape to drop the grain from the discharge chute 16 downward from the front end.

The driven unit 5 has a case 10 formed in a box shape as shown in FIG. 5, and support plates 17 are fixed in the vertical direction on the side surfaces of the case 10 in the front-rear direction. , The screw shafts 26, 26 are rotatably supported between the support plates 17, 17 and the rear surface of the case 10,
A handle 27, 27 is fixed to the rear end of 26. Sliding bodies 25, 25 are screwed on the screw shafts 26, 26,
The pivot shaft 1 of the driven roller 12 between the sliding bodies 25
2a is rotatably supported. Therefore, by rotating the handle 27, the sliding body 25 can be moved back and forth to adjust the front-back position of the driven roller 12, and the flat belt 1 wound around the driven roller 12 can be adjusted.
The tension of 3 can be adjusted.

A lid 29 having a viewing window (not shown) is provided above the driven roller 12 on the upper surface of the driven unit 5, and the lid 29 is opened to perform internal maintenance. Then, like the drive unit 4, the return belt roller 3 is pivotally supported on the front portion of the driven roller 12, and the flat belt 13 is bent at the front end portion of the driven unit 5 in a V-shape in cross section. 20
・ 20 and vertical feed rollers 21 ・ 21 are pivotally supported. As in the drive unit 4, the front plate 28 of the case 10 also has upper and lower ports and bolt holes opened, and flange portions projecting from both sides of the upper port and the lower port, as shown in FIG. It is easy to assemble.

As shown in FIGS. 2 and 6, the intermediate unit 6 is composed of the guide frame 1 and the support frame 2 so as to be bilaterally symmetrical, and supports the upper conveyor side of the flat belt 13 in a V-shape. It is a unit. The guide frame 1
Has a pentagonal shape in which the left and right central portions are V-shaped and the upper side is opened in a cross-sectional view, and the guide frame 1 conveys the flat belt 13 from the driven roller 12 toward the drive roller 11 on top of it. The side is placed, and the flat bell 13 is bent in a V-shape in cross section so that a conveyed product such as a grain dropped from the chute 15 can be conveyed to both sides without spilling.

Support frames 2 are provided on the left and right side surfaces of the guide frame 1. The support frame 2 is
A Γ-shaped upper support 2a for covering the upper end of the guide frame 1, a support having a “V” shape and attached to the inside of the middle of the support frame 2 to support the outer lower surface of the guide frame 1. Body 2b, belt cover 2c extending downward downward,
The lower end of the belt cover 2c is composed of a mounting portion 2d which is bent inward as shown in FIG. A case lid 7 is placed above the upper support 2a to close the upper open portion of the guide frame 1. Return belt rollers 3, 3, ... Are horizontally provided on the mounting portions 2d, 2d on both sides with an appropriate interval. The lower conveyance side of the flat belt 13 that moves from the drive roller 11 to the driven roller 12 is guided above the return belt rollers 3 ...

Flange portions 30 and 30 are formed below the front and rear ends of the guide frame 1 and outside the front and rear ends of the support frame 2, and the flange portions 30 and 30 are formed.
The flange portion 22 of the drive unit 4 and the flange portion 28 of the driven unit 5 are screwed together by using bolts and nuts so that the units can be easily assembled. Furthermore, this intermediate unit 6 ・ 6
By increasing or decreasing the number of ..., The belt conveyor A can be configured according to the transport distance.

As described above, if several intermediate units 6 and 6 are connected as they are, an excessive load is applied to the abutting surfaces of the flange portions 30 and 30 to be connected. Therefore, in the present invention, as shown in FIG. As shown in FIG. 3, the intermediate frame mount 31 is appropriately arranged below the intermediate unit 6. The intermediate frame mount 31 has a fixed plate 32 at the lower end and leg plates 33 standing upright from the fixed plate 32 arranged symmetrically, and a fixed frame 34 is provided between the inner surfaces of the left and right leg plates 33.
Are installed side by side and connected. Long holes 33a, 33a that are long in the vertical direction are opened in the upper portion of the leg plate 33. Leg plate 3
An L-shaped pedestal 35 as viewed from the front is disposed on the inner side surface of 3.
The placing portion 2d is placed on the horizontal surface of the receiving stand 35, and the receiving stand 3
5, a bolt hole (not shown) is formed on the vertical surface of the long hole 33a.
It is opened according to the interval of 33a, and bolt 36.3
By inserting 6 into the long hole 33a and the bolt hole and tightening the nut, the vertical position of the pedestal 35 can be adjusted.

The mounting portion 2d is formed over the entire length of the support frame 2 of the intermediate unit 6 in the front-rear length, and the intermediate frame mount 31 is arranged at an arbitrary position below the intermediate unit 6. can do. For that,
A place where a load is applied to the connecting portion of the intermediate units 6, 6 and a downward bending occurs (where the chute 15 is arranged)
By disposing the intermediate frame mount 31 below the mounting portion 2d, it is possible to support the support frame 2 so as to eliminate bending. In addition, the pedestal 35 can be adjusted in accordance with the height of the foundation on which the intermediate frame mount 31 is arranged to keep the intermediate unit 6 horizontal. Further, even if a plurality of intermediate frame mounts 31, ... Are arranged, the intermediate frame mount 31 has a low-priced structure, and can have a strong structure without increasing the cost.

[0020]

With the above-mentioned structure, the belt conveyor is divided into a plurality of units and assembled by using the bolts and nuts, which facilitates the work at the site and promptly installs it. You can work. Further, the belt conveyor can be configured in accordance with the transport length by increasing or decreasing the number of the intermediate units assembled. Further, even if the belt conveyor having a long overall length is configured, the required strength can be maintained by using the intermediate frame pedestal, and further, by making it possible to adjust the vertical position of the mounting table for mounting and fixing the intermediate frame pedestal, The assembling accuracy at the site can be increased, and the work load at the site can be reduced. And like this,
Since the length of the belt conveyor can be increased or decreased and the versatility is increased, an inexpensive conveyor can be provided.

[Brief description of the drawings]

FIG. 1 is an overall side view of a unit type belt conveyor.

FIG. 2 is a front view partial cross-sectional view of supporting the intermediate unit on the intermediate frame mount.

FIG. 3 is a side view of an intermediate frame mount of the intermediate unit of the present invention.

FIG. 4 is a side view showing a drive unit.

FIG. 5 is a side view showing a driven unit.

FIG. 6 is a side view showing an intermediate unit.

FIG. 7 is a diagram showing a storage system in a country elevator.

FIG. 8 is a partial sectional view of a front view (rear view) of a drive unit and a driven unit.

[Explanation of symbols]

 A belt conveyor 1 guide frame 4 drive unit 5 driven unit 6 intermediate unit 11 drive roller 12 driven roller 13 flat belt 31 intermediate frame mount

Claims (1)

[Claims] 1. A drive roller and a driven roller are arranged at both ends of a conveyor, a flat belt is wound around the drive roller and the driven roller, and the upper conveyance side of the flat belt is cross-sectionally viewed by a guide member using a guide V. In a belt conveyor that is bent and conveyed in a letter shape, a driving unit in which a driving roller is arranged in the belt conveyor, a driven unit in which a driven roller is arranged, and a guide frame for guiding the upper conveyance side of the flat belt in a substantially V shape are provided. The intermediate units are arranged, and the number of intermediate units is increased or decreased between the drive unit and the driven unit so that the transport distance can be adjusted, and the intermediate units are supported by an intermediate frame mount, and the intermediate frame mount is mounted on the intermediate frame mount. A unit type belt conveyor characterized by having a height adjustment mechanism.