JP3194337B2 - Steep conveyor equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steeply inclined conveyor system.

[0002]

2. Description of the Related Art In the case where crushed stone, limestone, sand, steel stone, cement and the like are conveyed from a ground to a high place by a belt conveyor, the inclination angle of the belt conveyor is limited by the angle of repose of the granules. For this reason, the inclination angle of the conventional belt conveyor is at most about 15 degrees. As a result, there is a problem that the installation space of the belt conveyor is widened and the site cannot be effectively used.

In recent years, in order to save space, two independent sets of belt conveyors have been installed on the upper and lower sides, respectively, and the powdery and granular material is placed between the upper belt of the lower belt conveyor and the lower belt of the upper belt conveyor. Steep conveyor equipment, including vertical, that wraps and conveys sandwiched between, has been put to practical use.

[0004] An example of such a steeply inclined conveyor facility is shown in FIG.
In the drawing, reference numeral 1 denotes a lower belt conveyor, and 2 denotes an upper belt conveyor installed above the lower belt conveyor 1.

[0005] The lower belt conveyor 1 includes a head pulley 3 disposed above and a tail pulley 4 disposed behind the head pulley 3 and below the head pulley 3. A drive belt wheel 5 disposed below the head pulley wheel 3, an aperture belt wheel 6a disposed near the drive belt wheel 5, the throttle belt wheel 6a and the head belt wheel 3 And an aperture belt wheel 6b disposed between the
An endless conveyor belt 7 is wound around each of the belt wheels 3, 4, 5, 6a, and 6b. A drive device 8 such as a reduction motor or a hydraulic motor is connected to the drive belt wheel 5,
By driving the driving device 8, the conveyor belt 7 can run in the direction of arrow A.

[0006] Between the tail belt wheel 4 and the head belt wheel 3, a horizontal portion 9 capable of supplying and conveying the powder 20 on the conveyor belt 7, and a powder which has been conveyed through the horizontal portion 9 are provided. The maximum angle at which the granules 20 can be transported upwards is 45
A rising portion 10 having a steeply inclined portion (vertical in the example of FIG. 5) of a degree or more is formed, and the rising portion 10 further rises in a curved shape from the horizontal portion 9 in a lower curved portion 10a.
And a linear portion 1 that rises substantially vertically from the lower curved portion 10a.
0b, and an upper curved portion 10c which rises in a curved shape from the straight portion 10b and moves horizontally while rising. The linear portion 10b and the upper curved portion 10c of the horizontal portion 9 and the rising portion 10 are conveyed by powder and granular material. A plurality of carrier roller devices 11 are provided at required intervals in the direction D.

The upper belt conveyor 2 has a head belt wheel 12 disposed on the upper front side of the head belt wheel 3 of the lower belt conveyor 1 and a tail part disposed on a lower rear part of the head belt wheel 12. An endless conveyor belt 17 is provided on each of the belt wheels 12, 13, 15a, 14, 15b, and 15c with a belt belt 13, a drive belt wheel 14, and aperture belt wheels 15a, 15b, and 15c. It is wound so as to be located immediately above the conveyor belt 7 of the conveyor 1. The drive belt wheel 14 is connected to a drive device 16 such as a reduction motor or a hydraulic motor. By driving the drive device 16, the conveyor belt 17 can be sent in the direction of arrow B.

[0008] Between the tail belt wheel 13 and the head belt wheel 12, there is a maximum angle at which the granular material 20 conveyed on the horizontal portion 9 of the lower belt conveyor 1 can be pressed and conveyed upward. A rising portion 18 having a steeply inclined portion (vertical in the example of FIG. 5) of 45 degrees or more is formed, and the rising portion 18 is further formed.
Is a lower curved portion 18a that rises in a curved shape along the lower curved portion 10a, a straight portion 18b that rises substantially perpendicularly from the lower curved portion 18a, and an upper portion that rises in a curved shape from the straight portion 18b. A plurality of pressing roller devices 19 are arranged at required intervals in the powder material transport direction D on the lower curved portion 18a and the straight portion 18b of the rising portion 18.

The straight portion 1 of the horizontal portion 9 and the rising portion 10
0b and the carrier roller device 11 disposed on the upper curved portion 10c, the lower curved portion 18a of the rising portion 18 and the straight portion 1
FIG. 6 shows the details of the press roller device 19 provided in 8b.

The carrier roller device 11 includes a main fixed roller 21 for supporting a central portion of the conveyor belt 7 in the width direction, and a conveyor belt 7 for supporting both sides of the conveyor belt 7 in the width direction.
In order to form a trough angle, the auxiliary fixing roller 22 extending from the center of the conveyor belt 7 toward the width end toward the upper belt conveyor 2 is provided, and the rollers 21 and 22 are rotatable by brackets 23 and 24. Supported.

The holding roller device 19 is provided with the conveyor belt 1.
7 and a belt end roller 26 which presses both sides of the conveyor belts 17 and 7 in the width direction in parallel with the auxiliary fixing roller 22. The main press roller 25 is a torsion bar. The shaft 27 is rotatably supported by an arm 28 that is being rotated toward the conveyor belt 17 by a shaft 27, and the belt end roller 26 is a shaft that is being rotated toward the conveyor belt 17 by a torsion bar (not shown). 29 is rotatably supported.

When the powder 20 is conveyed at the rising portions 10 and 18, the powder 20 is loaded on the conveyor belt 7 and is conveyed by the conveyor belt 17, as shown in FIG. The surface is covered, sandwiched by both conveyor belts 7, 17, and conveyed in a wrapped state.

On the other hand, at the upstream end of the horizontal portion 9 of the lower belt conveyor 1, as shown in FIG.
And a chute 30 to be supplied on the conveyor belt 7 from the chute 30.
A pair of skirts 31 for regulating the width of the belt are arranged at a required interval in the width direction of the conveyor belt 7.

In FIG. 5, reference numeral 32 denotes a chute for transferring the granular material 20 to a downstream facility (not shown).

The powdery and granular material 20 is prepared by the steeply inclined conveyor equipment.
When the conveyor belts 7, 17 are driven by driving devices 8, 16 via drive belt wheels 5, 14,
Sent in the direction b. For this reason, the granular material 20 supplied from the chute 30 onto the conveyor belt 7 of the lower belt conveyor 1 is restricted in the width direction by the pair of skirts 31 and is discharged from the downstream end outlet of the skirt 31. Is transported along the horizontal portion 9 to reach the rising portion 10, where the rising portion 10 is sandwiched and wrapped by the conveyor belt 7 and the conveyor belt 17 sent to the rising portion 18 of the upper belt conveyor 2 as shown in FIG. In this state, it is conveyed upward, thrown into the chute 32 from the head pulley wheel 3 and sent to the equipment of the next process.

In the above-mentioned steeply inclined conveyor equipment, the powder 20 conveyed in the rising portions 10 and 18 is:
Since it is sandwiched and wrapped by the conveyor belts 7 and 17, the inclination angles of the rising portions 10 and 18 can be determined independently of the angle of repose of the granular material 20, and the inclination angle is 45 degrees or more (including vertical). Therefore, there is an advantage that the installation space of the conveyor can be narrowed and the site can be effectively used.

[0017]

In the steeply inclined conveyor equipment as described above, the main fixed roller 21 and the auxiliary fixed roller 22 of the carrier roller device 11, or the main pressing roller 25 and the belt end roller 26 of the pressing roller device 19 are provided. When the conveyor belts 7 and 17 are loosened, the main fixed roller 21 and the sub-fixed roller 22, or the main holding roller 25 and the belt end roller 26 are replaced when the belts 7 and 17 are loosened. Was.

However, when replacing the main fixed roller 21 and the sub-fixed roller 22 of the carrier roller device 11 disposed on the upper curved portion 10c of the rising portion 10, even if the conveyor belts 7, 17 are loosened, the conveyor belt 7,1
7 acts on the carrier roller device 11, the worker lifts the conveyor belts 7, 17 near the carrier roller device 11 to be replaced by using an appropriate chain block or the like, and replaces the conveyor belts 7, 17. With the required amount of separation from the desired carrier roller device 11,
The main fixed roller 21 and the sub fixed roller 22 need to be replaced, and the straight portions 10b,
18b, the main fixed roller 21 and the auxiliary fixed roller 22 of the carrier roller device 11 or the pressing roller device 19
When the main press roller 25 and the belt end roller 26 are replaced, the clearance between the conveyor belts 7, 17 and the carrier roller device 11 or the press roller device 19 is maintained even if the conveyor belts 7, 17 are loosened. As described above, the carrier roller device 11 to be replaced is not formed.
Alternatively, the conveyor belt 7, 1 near the press roller device 19
7 is a carrier roller device 11 or a holding roller device 19 to be replaced by an operator using a chain block or the like as appropriate.
It is necessary to replace the main fixed roller 21, the sub-fixed roller 22, the main pressing roller 25, and the belt end roller 26 in a state where they are separated from each other by a required amount. However, it has the disadvantage that it takes time and effort.

The replacement of the main press roller 25 and the belt end roller 26 of the press roller device 19 provided in the lower curved portion 18a of the rising portion 18 can be easily achieved by loosening the conveyor belts 7, 17. Conveyor belt 7,
Since a clearance is formed between the roller 17 and the press roller device 19, the roller can be replaced relatively easily, and there is almost no problem.

The present invention has been made in view of the above circumstances, and has as its object to provide a steeply inclined conveyor equipment capable of easily replacing rollers.

[0021]

SUMMARY OF THE INVENTION The present invention is directed to an upper belt conveyor in which a powder contact surface of a conveyor belt in a lower belt conveyor and a powder contact surface of a conveyor belt in an upper belt conveyor face each other. A steeply inclined conveyor system in which an upper belt conveyor is arranged at the rising portion of both conveyor belts, and the powder and granules are sandwiched between the two conveyor belts, wrapped and conveyed, and the width of the conveyor belt of the lower belt conveyor is provided. A main fixed roller supporting the central portion in the direction, and an upper belt conveyor side from the center side of the conveyor belt to the width end side in order to support both sides in the width direction of the conveyor belt of the lower belt conveyor and form a trough angle on the conveyor belt. And the main fixed roller is displaced by a required amount from the position of the main fixing roller in the longitudinal direction of the conveyor belt. A main roller that attaches a carrier roller device having a sub-fixing roller to a movable member that is slidable in a direction away from the conveyor belt of the lower belt conveyor, and presses a central portion in the width direction of the conveyor belt of the upper belt conveyor; A pressing roller device having a belt end roller that presses both widthwise sides of the conveyor belt of the upper belt conveyor against the conveyor belt of the lower belt conveyor in a state substantially parallel to the auxiliary fixing roller is separated from the conveyor belt of the upper belt conveyor. The present invention relates to steeply inclined conveyor equipment, which is attached to a movable member that can slide in a direction.

[0022]

Therefore, when replacing the main fixed roller and the sub-fixed roller of the carrier roller device, the conveyor belts of the lower belt conveyor and the upper belt conveyor must be loosened.
When the moving member to which the carrier roller device to be replaced is attached is slid in a direction away from the conveyor belt of the lower belt conveyor, a clearance is formed between the carrier roller device to be replaced and the conveyor belt. Thus, the main fixed roller and the sub fixed roller can be exchanged.

When replacing the main press roller and the belt end roller of the press roller device, the moving member is moved to the upper belt conveyor while the conveyor belts of the lower belt conveyor and the upper belt conveyor are loosened. When the belt is slid in the direction away from the belt, a clearance is formed between the pressing roller device to be replaced and the conveyor belt, and in this state, the main pressing roller and the belt end roller can be replaced.

[0024]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 4 show an embodiment of the present invention.
In the drawings, the portions denoted by the same reference numerals as those in FIGS. 5 and 6 represent the same objects, and a bracket 23 supporting the main fixed roller 21 and a bracket 24 supporting the sub-fixed roller 22 of the carrier roller device 11 are fixed. Support frame 33
Is attached to a moving block 34 as a moving member that is slidable in a direction away from the conveyor belt 7 of the lower belt conveyor 1.

As shown in FIGS. 1 and 2, the movable block 34 is slidably engaged with the tapered surface 37 of the base block 36 fixed to the curved fixed frame 35 at the upper curved portion 10c of the conveyor belt 7. And
Bracket 38 fixed to the curved fixed frame 35
Then, a position adjusting bolt 39 protruding from the moving block 34 so as to extend in parallel with the tapered surface 37 is attached by a nut 40, and the bracket 3 of the position adjusting bolt 39 is mounted on the bracket 3.
The moving block 34 slides along the tapered surface 37 of the base block 36 by changing the fixing position with respect to 8 by tightening the nut 40.

As shown in FIGS. 3 and 4, the moving block 34 has a tapered surface 37 of a base block 36 fixed to a moving frame 41 as a movable member which is movable in the linear portion 10b. Position adjustment bolts 39 slidably engaged with the brackets 38 fixed to the moving frame 41 and protruding from the moving block 34 so as to extend in parallel with the tapered surface 37 are attached by nuts 40. The moving block 34 is slid along the tapered surface 37 of the base block 36 by changing the fixing position of the adjusting bolt 39 to the bracket 38 by tightening the nut 40. As shown, by driving an actuator 42 such as a hydraulic cylinder or a screw jack, Yibin are horizontally movably disposed.

On the other hand, as shown in FIG. 3, the pressing roller device 19 disposed on the linear portion 18b is connected to the upper belt conveyor 2.
Is attached to a moving frame 43 as a moving member slidable in a direction away from the conveyor belt 17.

The moving frame 43 includes the moving frame 4
Like FIG. 1, the arm 28 and the belt end roller 26 are provided so as to be able to move horizontally by driving an actuator 44 such as a hydraulic cylinder or a screw jack. The arm 28 supports the main pressing roller 25 of the pressing roller device 19. The fixed bracket 45 to which the support member not attached is attached is supported by the moving frame 43.

Next, the operation of the above embodiment will be described.

When replacing the main fixed roller 21 and the sub-fixed roller 22 of the carrier roller device 11 disposed on the upper curved portion 10c of the conveyor belt 7, the replacement should be performed with the conveyor belts 7, 17 loosened. The fixed position of the position adjusting bolt 39 with respect to the bracket 38 of the moving block 34 to which the carrier roller device 11 is attached is changed by tightening the nut 40 so that the lower belt conveyor 1 is moved along the tapered surface 37 of the base block 36. When the conveyor belts 7 and 17 are slid in a direction away from the conveyor belt 7, the weight of the conveyor belts 7 and 17 is supported by the carrier roller devices 11 disposed upstream and downstream of the carrier roller device 11 to be replaced. Clearer between carrier roller device 11 to be conveyed and conveyor belt 7 Scan is formed, in this state, it is possible to exchange the main stationary roller 21 and the sub-fixing roller 22.

When replacing the main fixed roller 21 and the auxiliary fixed roller 22 of the carrier roller device 11 disposed on the straight portion 10b of the conveyor belt 7, the conveyor belts 7, 17 are loosened. As described above, the moving block 3 on which the carrier roller device 11 to be replaced is mounted.
By changing the position at which the position adjusting bolt 39 is fixed to the bracket 38 by tightening the nut 40, the position 4 is slid in the direction away from the conveyor belt 7 of the lower belt conveyor 1 along the tapered surface 37 of the base block 36. In this state, a clearance is formed between the carrier roller device 11 to be replaced and the conveyor belt 7, and in this state, the main fixed roller 21 and the sub-fixed roller 22 can be replaced. When there are a plurality of carrier roller devices 11 to be provided,
The moving frame 41 is slid in a direction away from the conveyor belt 7 of the lower belt conveyor 1 by the driving of the actuator 42, and is mainly fixed in a state in which a clearance is formed between the plurality of carrier roller devices 11 and the conveyor belt 7. The roller 21 and the auxiliary fixed roller 22 can be replaced.

When replacing the main pressing roller 25 and the belt end roller 26 of the pressing roller device 19 provided on the linear portion 18b of the conveyor belt 17, the conveyor belts 7, 17 are loosened. When the moving frame 43 is slid in the direction away from the conveyor belt 17 of the upper belt conveyor 2 by the drive of the actuator 44, the plurality of pressing roller devices 19 including the pressing roller device 19 to be replaced and the conveyor belt 17 are moved. A clearance is formed, and in this state, the main pressing roller 25 and the belt end roller 26 can be replaced.

In this manner, the roller replacement operation can be easily performed without using a chain block or the like as in the related art.

In this embodiment, the straight portions 10b,
Since the carrier roller device 11 and the press roller device 19 disposed on the conveyor belts 18 and 17 are respectively attached to the moving frames 41 and 43, the moving frames 41 and 43 are moved away from each other when the conveyor belts 7 and 17 are pulled in. It can be moved, which is also useful for facilitating and smoothing the work of pulling in the conveyor belts 7 and 17.

It should be noted that the steeply inclined conveyor equipment of the present invention is not limited to the above-described embodiment, and each holding roller device is disposed on a moving frame via a moving block similarly to the carrier roller device. It goes without saying that various changes can be made without departing from the spirit of the present invention.

[0037]

As described above, according to the steeply inclined conveyor equipment of the present invention, an excellent effect that the roller replacement work can be easily performed can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing an upper curved portion according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a portion II in FIG.

FIG. 3 is a schematic side view showing a straight portion according to one embodiment of the present invention.

FIG. 4 is an enlarged view of a part IV in FIG. 3;

FIG. 5 is an overall schematic side view of a conventional example.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower belt conveyor 2 Upper belt conveyor 7 Conveyor belt 10 Rise part 11 Carrier roller device 17 Conveyor belt 18 Rise part 19 Pressing roller device 20 Powder 21 Granular material 21 Main fixed roller 22 Secondary fixed roller 25 Main pressing roller 26 Belt end roller 34 moving block (moving member) 41 moving frame (moving member) 43 moving frame (moving member)

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kenichi Komori 1-19-10 Mori, Koto-ku, Tokyo Ishikawa Shima Harima Heavy Industries, Ltd. Koto Office (56) References JP-A-4-354707 (JP, A (49) Field surveyed (Int. Cl. ⁷ , DB name) B65G 39/00-39/20 B65G 15/00-15/28 B65G 15/60-15 / 64

Claims (1)

(57) [Claims] An upper belt conveyor is disposed above a lower belt conveyor such that a powder contact surface of the conveyor belt of the lower belt conveyor and a powder contact surface of the conveyor belt of the upper belt conveyor face each other, And a steeply inclined conveyor equipment which sandwiches and wraps and conveys the powder and granular material between both conveyor belts at the rising portions of both conveyor belts, and a main fixing supporting a widthwise central portion of the conveyor belt of the lower belt conveyor. A roller and a main fixed roller extending from the central side of the conveyor belt to the width end side of the conveyor belt to support the widthwise both sides of the conveyor belt of the lower belt conveyor and forming a trough angle on the conveyor belt; And a sub-fixing roller disposed at a position shifted by a required amount in the longitudinal direction of the conveyor belt. Carrier roller device attached to a movable member that is slidable in the direction away from the conveyor belt of the lower belt conveyor, and is substantially parallel to the main holding roller and the auxiliary fixing roller that press the widthwise center of the conveyor belt of the upper belt conveyor. Roller device having a belt end roller for pressing both sides in the width direction of the conveyor belt of the upper belt conveyor against the conveyor belt of the lower belt conveyor in a state in which the upper belt conveyor is slidable away from the conveyor belt of the upper belt conveyor. A steeply inclined conveyor equipment which is attached to a member.