JP2002356221A - Cleaning device for belt conveyor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning device for a belt conveyor always properly setting a rotational frequency of a beater in response to a conveyance condition of the belt conveyor, properly controlling amplitude of a traveling endless driving belt, and positively removing an adhered conveyed object. SOLUTION: In the cleaning device for the belt conveyor, the beater 13 is rotatably added via a motor 17 to the endless driving belt 5 composing the belt conveyor 1 and a deposit is removed by striking a return side rear traveling face of the endless driving belt 5 while rotating the beater in a predetermined direction. An inverter 19 is connected with the motor 17 rotating the beater 13, and the rotational frequency of the beater 13 is properly controlled in response to the conveyance condition of the belt conveyor 1 by the inverter 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaner for a belt conveyor, such as a steeply inclined belt conveyor, capable of running an endless drive belt and reliably removing a conveyed object adhering to the surface thereof. .

[0002]

2. Description of the Related Art Conventionally, steeply inclined belt conveyors such as L-type and S-type have been used from heavy industry to light industry such as iron making, cement, mine, civil engineering, construction, ready-mixed concrete or food. It is widely used in various fields. by the way,
An object to be conveyed adheres to the surface of the endless drive belt that constitutes such a steeply inclined belt conveyer, which not only lowers the conveying ability, but also falls and scatters during traveling on the return side to easily contaminate the surroundings. For this reason, in general, a beater is pressed against the backside running back surface of the endless drive belt,
A cleaner that runs the endless drive belt and strikes the back surface with a beater to remove adhered objects.
A knife device is used. In order to reliably remove the deposits by hitting the endless drive belt running with the beater, the beater is always controlled to an optimum rotation speed, and the amplitude of the endless drive belt is adjusted appropriately. That is what you need. However, the number of revolutions of the beater must be appropriately set and controlled according to various transport conditions such as the shape of the roller, the shape of the endless drive belt, the traveling speed and tension of the endless drive belt, and the type of the object to be transported. However, it is very difficult to properly swing the endless drive belt due to the impact, so that it is difficult to remove the attached matter without fail.

The present invention solves the above-mentioned problems of the prior art, always sets the rotation speed of the beater appropriately in accordance with the conveyor conditions of the belt conveyor, and appropriately controls the amplitude of the running endless drive belt. An object of the present invention is to provide a cleaner for a belt conveyor which can surely remove a conveyed object adhered thereto.

[0004]

That is, according to the first aspect of the present invention, a motor 13 is rotatably attached to an endless drive belt 5 constituting a belt conveyor 1 via a motor 17;
A cleaner for a belt conveyor for removing the deposit by hitting the rear running back surface of the endless drive belt 5 while rotating the beater 13 in a predetermined direction, wherein the beater 13 rotates. Inverter for motor 17 to be operated
19 is connected and the inverter 19 is adapted to appropriately control the number of revolutions of the beater 13 in accordance with the conveying conditions of the belt conveyor 1. A gnar device.

According to the first aspect of the present invention, the inverter 13 is driven by the inverter 13 in accordance with required transport conditions such as a roller shape, an endless drive belt shape, or a running speed of the endless drive belt. It is possible to always set and control the number of rotations properly, and to reliably remove the adhered matter of the conveyed object while hitting the back running back surface of the running endless drive belt 5 to make the amplitude appropriately.

The invention according to claim 2 is characterized in that a required number of air injection nozzles 21 are provided on the return traveling surface of the endless drive belt 5 so as to face the beater 13. A gist of the invention is a cleaner device for a belt conveyor according to item 1.

According to the second aspect of the present invention, the return running surface of the endless drive belt 5 is sprayed with alligator air by the air jet nozzle 21, and the impact of the beater 13 is combined with the endless drive belt 5. It is possible to more effectively remove the conveyed object attached to the surface.

[0008]

Embodiments of the present invention will be described below with reference to an embodiment shown in the drawings. 1 to 4 show an embodiment of the present invention. In the drawings, reference numeral 1 denotes a substantially L-shaped steeply inclined belt conveyor, and 2 denotes a substantially L-shape constituting the steeply inclined belt conveyor 1. 3 and 4 are a head pulley and a tail pulley rotatably disposed at the upper and lower ends of the frame 2, respectively, and 5 is a head pulley and a tail pulley. The endless drive belt 5 is wound around both sides of the endless drive belt 5, and each side edge of the endless drive belt 5 is formed in a wavy shape, and the running surface is provided with a non-slip bar 7 at predetermined intervals.
Are integrally formed upright. 8 is a hopper disposed on the lower end of the endless drive belt 5, 9 is a shoe disposed on the upper end thereof, and 10 is a bend of the endless drive belt 5 located on the tail pulley 4 side. Deflection disk pump installed at the site
, 11 is a deflection pulley disposed at the return side bending portion,
Reference numeral 12 denotes a carrier roller disposed at predetermined intervals along the traveling path of the endless drive belt 5. Reference numeral 13 denotes a beater provided in a press-contact manner on the return running back surface of the endless drive belt 5 located on the head pulley 3, reference numeral 14 denotes a rotating shaft having a required length constituting the beater 13, Reference numeral 15 denotes a pair of rollers on both sides rotatably mounted via mounting arms 16 on both sides of the rotary shaft 14 along the longitudinal direction thereof, and 17 denotes a transmission mechanism 18 wound around one end of the rotary shaft 14. A motor 19 connected via the inverter 17 is an inverter connected to the motor 17,
Reference numeral 20 denotes a control unit connected to the inverter 19. The control unit 20 outputs the optimum frequency for the transfer conditions from the inverter 19 based on various transfer data on the steep belt conveyor 1. The motor 17 is driven while being pressed, and the striking action of the beater 13 is effectively performed. Reference numeral 21 denotes a required number of air injection nozzles provided on the return running surface of the endless drive belt 5 via a pipe 22 so as to face the beater 13, and 23 denotes a tube connected to the air injection nozzle 21 via a tube 24. It is an air tank connected with. The air injection nozzle 21 preferably injects air at an appropriate angle with respect to the running surface of the endless drive belt 5, and preferably has an air pressure of 0.5.
Mpa or more and the injection air amount may be set to 20 NL / min or more.

Next, the operation of the embodiment configured as described above will be described. First, the endless drive belt 5 is driven to start the conveyance of a required object such as ore or cement. Thereafter, the controller 17 controls the output of the optimum frequency according to the transfer conditions from the inverter 19, while driving the motor 17 to rotate the beater 13 in a predetermined direction. -While alternately striking the return running back surface of the endless drive belt 5 with the
Air is jetted from the air jet nozzle 21 to the return traveling surface, and the conveyed material remaining on the surface of the endless drive belt 5 is blown off while being blown off and removed. At this time, the optimum frequency according to the transport condition is set to the inverter 19.
And the motor 17 is driven to drive the motor 13 so that the beater 13 is always rotated at the optimum rotational speed to perform the striking action. Therefore, the amplitude of the endless drive belt 5 caused by the striking is properly generated. Thus, it is possible to reliably knock down and remove the transported object adhering to the running surface of the endless drive belt 5 at all times. In addition, the endless drive belt 5
Is hit by the beater 13 and the air injection nozzle 2
Since the air is injected from the side 1, it is possible to more effectively remove the conveyed object attached to the running surface of the endless drive belt 5 surrounded by the side wall 6 and the anti-skid bar 7. Similarly, by driving the endless drive belt 5 to sequentially convey the objects to be conveyed, the optimum frequency corresponding to the conveyance conditions is output from the inverter 13 and the motor 17 is driven. The return traveling back surface of the endless drive belt 5 may be struck by the tab 13, and air may be ejected from the return traveling surface by the air jet nozzle 21 to remove the adhered transferred object.

In the above embodiment, an example of application to an L-shaped steeply inclined belt conveyor 1 has been described. However, the present invention is not limited to this and can be applied to other belt conveyors. It is.

[0011]

According to the first aspect of the present invention, a motor 13 is rotatably attached to the endless drive belt 5 constituting the belt conveyor 1 via a motor 17 as described above. A cleaner for rotating the endless drive belt 5 to remove adhering matter by rotating the endless drive belt 5 while rotating the rotor 13 in a predetermined direction.
Inverter-1 to the motor 17 for rotating the motor 13
9 is connected, and the beader 19
The rotation speed of the belt 13 is designed to be appropriately controlled in accordance with the transfer conditions of the belt conveyor 1, so that the
The rotation speed of the beater 13 is always properly set and controlled in accordance with required transfer conditions such as a roller shape, an endless drive belt shape, or a traveling speed of the endless drive belt by the heater 19.
The back end of the traveling endless drive belt 5 that travels on the return side is struck to make it properly oscillate, and it is possible to surely remove the attached matter of the transported object.

According to the second aspect of the present invention, a required number of air injection nozzles 21 are provided on the return traveling surface of the endless drive belt 5 so as to face the beaters 13. The air jet nozzle 21 jets air on the return running surface of the endless drive belt 5 so that the air
In combination with the striking action of No. 3, the conveyed object adhering to the surface of the endless drive belt 5 can be more effectively removed.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a portion A in FIG.

FIG. 3 is an enlarged vertical sectional view showing an operation state by a beater 13 of the embodiment.

FIG. 4 is an enlarged cross-sectional view showing an operation state of the air ejection nozzle 21 of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Steep belt conveyor 5 Endless drive belt 13 Beater 17 Motor 19 Inverter 21 Air injection nozzle

Claims (2)

[Claims] An endless drive belt 5 is rotatably attached to an endless drive belt 5 constituting a belt conveyor 1 via a motor 17 so as to rotate the motor 13 in a predetermined direction. 5. A cleaner device for a belt conveyor, which strikes the back side of the traveling side of 5 to remove extraneous matter,
An inverter 19 is connected to a motor 17 for rotating the above-mentioned beater 13, and the number of revolutions of the beater 13 is adjusted by the inverter 19 in accordance with the conveying conditions of the belt conveyor 1. A cleaner device for a belt conveyor, characterized in that the cleaner device is configured to be controlled in the following manner. 2. An endless drive belt 5 for facing the data 13
2. A cleaner device for a belt conveyor according to claim 1, wherein a required number of air injection nozzles 21 are provided on the return traveling surface of the belt conveyor.