JPH11226445A - Moving crushing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a moving crushing machine by which crushed material can be effectively produced and which can be controlled so as to be able to prevent self-damage by controlling not to generate an abnormality. SOLUTION: In the moving crushing machine having a crusher mounted on a car body and for crushing material to be crushed fed in the inside from an upper opening to discharge the crushed material to the outside from a lower opening, a material to be crushed quantity detecting means 9 for detecting the quantity Ho of material to be crushed fed in the inside, and a reporting means 10 for storing the giving of meaning every quantity Ho of the material to be crushed fed in the inside in advance to report the giving of meaning to the outside when the quantity Ho of the material to be crushed is received from the material to be crushed quantity detecting means 9 are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001] The present invention relates to a mobile crushing machine.

[0002]

2. Description of the Related Art As shown in FIG. 8, a mobile crushing machine comprises a hopper 2, a feeder 3 provided at the bottom of the hopper 2, and a crusher provided below an end of the feeder 3 on a movable vehicle body 1. 4 and a belt conveyor 5 and the like provided below the crusher 4. Feeder 3, crusher 4,
The belt conveyor 5 can be driven freely by a feeder driving system, a crusher driving system, and a belt conveyor driving system (each not shown). The upper portion of the crusher 4 opens to face the end of the feeder 3, and the lower portion of the crusher 4 also opens to face the upper surface of the belt conveyor 5. With such a configuration, the crushed object 6 a placed on the feeder 3 from the outside is moved by the drive X of the feeder 3 to open the upper opening 7 a of the crusher 4.
Into the crusher 4 (crushing chamber 8), crushed by driving the crusher 4, discharge the crushed material 6b from the lower opening 7b of the crusher 4 onto the belt conveyor 5, and discharge it out of the vehicle by driving the belt conveyor 5. I do. The crusher 4 shown in the figure has a fixed plate 4a and a swing jaw 4b.
Are arranged facing each other, and the object 6 to be crushed is placed between the body surfaces (the crushing chamber 8).
This is a so-called jaw type crusher in which a is charged and crushed.

In such a mobile crushing machine, the synchronization control between the three drive systems has a great effect on the productivity of the crushed material 6b. Therefore, the following crushing machines are known.

(1) The crushing machine described in Japanese Utility Model Publication No. 5-1315 is of a stationary type, but a sensor for detecting large rocks when the large rocks stay on a grizzly screen provided at the upper opening of the crusher, and a sensor for detecting the rocks. Has a control device that automatically stops the feeder when a stagnant rock is detected for a predetermined time and issues an alarm with a buzzer.

(2) Japanese Patent Application Laid-Open No. Hei 7-116541 is an earlier proposal of the present applicant. The mobile crushing machine described in this publication has a sensor for detecting when the crusher is overloaded, and a sensor for detecting the overload. Has a control device that automatically stops the feeder when an overload is detected and issues an alarm with an alarm lamp or a buzzer.

(3) The mobile crushing machine described in Japanese Patent Application Laid-Open No. Hei 8-281140 has various parts (not only feeder drive system, crusher drive system, belt conveyor drive system, but also water temperature, oil pressure, fuel in engine, generator, etc.). (Including remaining amount)
And a control device that automatically stops the feeder when the sensor detects an abnormality and issues an alarm with a warning light when the sensor detects the abnormality.

[0007]

According to the above-mentioned prior art, there is the following problem although it contributes to the improvement of productivity. In the crushing machine described in the above publication, when an abnormality occurs, a feeder, other crushers, a belt conveyor, and the like are automatically stopped and an alarm is issued, and the crushing machine is not a crushing machine controlled so as not to cause an abnormality. Therefore, for example, at the time of blockage, it is necessary to stop the crusher 4 and remove the crushed object 6a, which requires a great deal of trouble and causes damage to the crushing machine itself. For this reason, for example, a technique capable of preventing blockage beforehand and efficiently performing normal operation is desired.

The present invention has been made in view of the above-mentioned prior art, and has as its object to provide a mobile crushing machine which can be efficiently produced and can prevent abnormalities from occurring.

[0009]

In order to achieve the above object, a mobile crushing machine according to the present invention comprises:
The crushed object 6a mounted on the vehicle body 1 and introduced into the interior 8 from the upper opening 7a is crushed, and the crushed material 6b is
In the mobile crushing machine having the crusher 4 discharged from the outside b to the outside, the amount H of the material 6a to be crushed
The means for detecting the amount of crushed material 9 for detecting o and the meaning of each amount Ho of the crushed material 6a charged in the interior 8 are stored in advance,
When the amount Ho of the crushed object 6a is received from the crushed object amount detecting means 9, there is provided a notifying means 10 for notifying the meaning to the outside.

According to the first configuration, the notifying means 10 sets the amount Ho of the material 6a to be crushed into the inside 8 of the crusher 4.
Each meaning is stored in advance. Therefore, the notification means 10
Upon receiving the amount Ho of the crushed object 6a from the crushed object amount detecting means 9, based on the above-mentioned memory, it notifies the meaning to the outside corresponding to the amount Ho. Therefore, an outside observer can grasp the meaning through the notification means 10. For example, the notifying means 10 previously stores the amount Ho likely to be blocked by the crushed object 6a in the upper opening 7a, and when the amount Ho of the crushed object 6a reaches the amount Ho from the crushed object amount detecting means 9, the notifying means. 1
0 informs the outside that the crushable object 6a may be closed if the crushed object 6a is continuously supplied as it is. Thus, the observer can immediately take measures to prevent blockage without stopping the mobile crushing machine.
Therefore, it is not necessary to stop the operation of the mobile crushing machine and remove the closed crushed object 6a as in the prior art. That is, according to the first configuration, the crushed material 6b can be efficiently produced, and abnormalities can be prevented.

Secondly, in the first configuration, the crushed object amount detecting means 9 detects the height Ho of the crushed object 6a introduced into the interior 8 of the crusher 4. machine.

In the second configuration, the quantity Ho of the first configuration is limited to a height Ho, which is a subordinate concept.
This is because the amount Ho of the material 6a to be crushed inside the crushing chamber 8 can be treated in the same manner as the height Ho. In addition, if the height Ho is different from other various amounts Ho (for example, torque, oil pressure, rotation speed, and the like described in the embodiments described later in detail), various simple configurations are prepared. In addition, since detection can be performed without contact, there is no failure due to contact and detection accuracy is high.

Third, a moving device having a crusher 4 mounted on the vehicle body 1 and crushing the crushed material 6a introduced into the interior 8 from the upper opening 7a and discharging the crushed material 6b to the outside from the lower opening 7b. The crushing machine has a crushed material amount detecting means 9 for detecting the amount Ho of the crushed material 6a charged into the interior 8 and defines the meaning of each amount Ho of the crushed material 6a charged into the interior 8 in advance. When the storage unit receives the amount Ho of the crushed object 6a from the crushed object amount detecting unit 9, the notifying unit 10e of the notifying unit 10 for notifying the meaning to the outside is sent to the mobile crushing machine. It is characterized in that it is provided in the crushed material supply machine 12 to be supplied.

According to the third configuration, the following operation and effect can be obtained. The crushed material supply machine 12 is a loading machine such as a power shovel or a wheel loader. At least the notifying unit 10e of the notifying unit 10 includes the crushed material supply machine 1
2, for example, in a cab. When the crushed material supply machine 12 is operated externally, at least the notification unit 10e of the notification means 10 is arranged in the external operation place (a part of the crushed material supply machine 12). Therefore, the notification means 10
Of the crushed material supply machine 12 immediately sends the crushed material 6a to the mobile crushing machine when at least the notifying unit 10e of the above-described device notifies the meaning of notifying the already-described blockage in the first configuration, for example. Stop loading. That is, the operator does not excessively supply the crushed object 6a to the mobile crushing machine, so that blockage can be prevented. On the other hand, when at least the notifying unit 10e of the notifying unit 10 notifies the meaning that the amount Ho is too small, the operator of the crushed material supply machine 12 immediately hurries to load the crushed material 6a into the mobile crushing machine. Can be. Further, even if the mobile crushing machine is located in a place where visibility is poor from the cab or the external operation place of the crushed material supply machine 12, or in the case of bad weather or the like, the crushing chamber 8 is provided through at least the notification unit 10e of the notification means 10. The height Ho of the crushed material 6a inside can be grasped. Further, by providing at least one notification unit 10e of the notification means 10 of each of the plurality of mobile crushing machines in one crushed material supply machine 12, the entire fleet can be managed optimally. That is, according to the third configuration, it is possible to produce efficiently and prevent abnormalities.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS. An example of the embodiment is a mobile crusher having the jaw crusher 4 shown in FIG. Therefore, the same elements as those in FIG. 8 are denoted by the same reference numerals, and redundant description will be omitted. 1 to 4 are explanatory diagrams of the first embodiment. As shown in FIG. 1, the first embodiment has a level sensor 9 serving as a crushed object amount detecting means 9 and a notifying means 10 including a display 10a and a controller 10b.

The level sensor 9 is as follows. As shown in FIG. 2, the crushed object 6a introduced into the crushing chamber 8 through the upper opening 7a of the crusher 4 is composed of a fixed plate 4a and a swing jaw 4b swinging substantially in the Y direction. It is crushed by being sandwiched between them, and is crushed into a crushed material 6b and discharged to the outside through the lower opening 7b. In FIG. 2, the level sensor 9 is installed above the crusher 4 and irradiates infrared rays or ultrasonic waves to receive reflected light from the crushed object 6 a inside the crushing chamber 8. The height Ho of the crushed object 6a inside the crushing chamber 8 is detected based on the light and the reflected wave.
The height Ho detected by the level sensor 9 is input to the controller 10b.

As shown in FIG. 3, the display 10a has five lamps 11a to 11e arranged vertically, and as shown in FIG. 4, is installed at the upper part of a mobile crushing machine.

The controller 10b has a height Ho of the upper opening 7a.
When it is close (that is, when the upper opening 7a is close to the closed state), the lamp 11a at the uppermost stage is moved, and when it exceeds 2/3 of the height of the crushing chamber 8, the lamp 11b at the next stage is moved to one of the heights of the crushing chamber 8. / 3
The lamp 11c in the middle stage is と き when it is ／, the lamp 11d in the next stage when it is lower than １ ／ of the height of the crushing chamber 8, and when it is close to the lower opening 7b (that is, when the crushing chamber 8 is empty). There is a meaning in advance that the lowermost lamp 11e is turned on (when it is near). That is, the controller 10b may be an electric circuit having the above-described meaning, or may be a microcomputer or the like that stores the meaning. That is, the controller 10b receives the height Ho, which is the detected value, from the level sensor 9, and turns on the lamps 11a to 11e of the display 10a in accordance with the circuit and the memory.

According to the first embodiment, the height Ho of the object 6a to be crushed inside the crushing chamber 8 can be notified to the outside of the mobile crushing machine together with its meaning. Specifically, it is as follows. The observer indicates that the crushing efficiency is poor when the lighting of the uppermost lamp 11a is visually observed and that the crushing chamber 8 is almost full, and that the crushing efficiency is poor when the lighting of the next stage lamp 11b is poor. When the lighting of the lamp 11c is visually recognized, it is understood that the optimal crushing is being performed. When the lighting of the next lamp 11d is visually recognized, the crushing efficiency is poor. And that the crushing chamber 8 is almost empty. Therefore, the observer can immediately take an appropriate measure. That is, blockage of the upper opening 7a and inefficient crushing can be prevented.

A second embodiment will be described with reference to FIGS. As shown in FIG. 5, the second embodiment includes a level sensor 9 serving as the crushed object amount detecting means 9 and the controller 10b.
And a transmitter 10c. On the other hand, the receiver 10d corresponding to the transmitter 10c and the display 10 in the first embodiment described above.
As shown in FIG. 6, a panel-type display 10e corresponding to a is provided on the power shovel 12. The respective functions of the level sensor 9 and the controller 10b and the connection relationship between them are the same as in the first embodiment. The output of the controller 10b passes through the transmitter 10c and the receiver 10d in this order and is input to the panel display 10e. That is, the notifying unit 10 in the second embodiment includes the controller 10b, the transmitter 10c, and the receiver 1
0d and a panel-type display 10e. The notification unit 10e described in the claims is a panel type display 10
e.

As shown in FIG. 6, the transmitter 10c and the receiver 10d are transmitted and received by one of a wired (dotted line) and a wireless (solid arrow).

As shown in FIG. 7, the panel-type display 10e has ten LEDs 13a to 13j arranged vertically, and as shown in FIG. 13. As in the first embodiment, the controller 10b controls the upper LED as the height Ho of the object 6a to be crushed in the crushing chamber 8 increases.
Is stored in advance. However, the controller 10b of the second embodiment is the panel type display 10e.
However, since the number of lightings is larger than that of the display 10a in the first embodiment, it has a dense meaning. Specifically, when the height Ho is close to the upper opening 7a, the uppermost LED 13a is turned on, and when the height Ho exceeds 2/3 of the height of the crushing chamber 8, the LEDs 13b and 13c are sequentially turned on 1/3 of the height of the crushing chamber 8. LED when ~ 2/3
There is a meaning in advance that the LEDs 13h and 13i are sequentially turned on when the height of the crushing chamber 8 falls below 13d to 13g, and the lowermost LED 13j is turned on when the height is close to the lower opening 7b.

According to the second embodiment, the height Ho of the object 6a to be crushed inside the crushing chamber 8 can be notified in detail to the cab of the power shovel 12. In addition, even when the mobile crushing machine according to the embodiment is located in a place where visibility from the cab of the power shovel 12 is poor, or in bad weather, etc., the operator of the power shovel 12 can operate inside the crushing chamber 8 via the panel-type display 10e. The height Ho of the object 6a to be crushed can be accurately grasped.

Another embodiment will be described below.

(1) Although the mobile crushing machine of the above embodiment has been described using a jaw crusher as an example, another crusher may be used. Although not shown, a crusher such as an impact type or a shear type may be used. The impact type has a rotating plate and a crushed material discharge port at the bottom of the crushing chamber, and a repulsion plate and a crushed material input port at the top, and the crushed material from the input port is repelled by the rotating plate and collides with the repulsion plate. It is destroyed and discharged from the outlet. On the other hand, in the shearing type, a material to be crushed is charged from the upper portion between rollers rotating in opposite directions at a predetermined interval, crushed, and discharged from the lower portion. For the other crushers 4, the amount Ho of the crushed material 6a in the crushing chamber 8 of the crusher 4 may be detected to constitute the above embodiment. Although the feeder 3 has been described as the X-drive type, the feeder 3 may be a vibratory type and may have a configuration.

(2) Although the level sensor 9 in the above embodiment is a level sensor 9 using infrared rays or ultrasonic waves, other sensors may be used. Although not shown, for example, a camera that captures an image of the inside of the crushing chamber 8 may be provided, and an image reflected by the camera may be subjected to image processing to detect the height Ho of the crushed object 6 a inside the crushing chamber 8. Further, a torque sensor may be provided on the drive shaft of the swing jaw 4b, and the amount Ho of the crushed material 6a inside the crushing chamber 8 may be determined according to the magnitude of the detected torque. When the drive shaft is driven by a hydraulic motor or the like, for example, a hydraulic pressure gauge for detecting an average hydraulic pressure for one second is provided in a hydraulic circuit,
The amount Ho of the crushed object 6a inside the crushing chamber 8 may be determined based on the detected average hydraulic pressure. Further, a tachometer for detecting an average rotation speed per second, for example, of an engine for rotating the drive shaft of the swing jaw 4b is provided, and the crushed object 6 inside the crushing chamber 8 is determined according to the detected average rotation speed.
The amount Ho of a may be used. In short, any means for detecting the amount of crushed material 9 capable of detecting the amount Ho of the crushed material 6a inside the crushing chamber 8 may be used.

(3) In the above embodiment, the display 10a or the panel-type display 10e is used, but an alarm may be used. In this case, the meaning is determined by a difference in magnitude of the alarm sound, an intermittent difference, or the like. Also, the meaning itself may be notified by voice. Of course, the warning sound or the sound may be reported together with the display on the display 10a or the panel-type display 10e.

(4) Although the controller 10b is mounted on the mobile crushing machine in the second embodiment, the level sensor 9 and the transmitter 10c are mounted on the mobile crushing machine, and the receiver 10d, the controller 10b The panel type display 10e and the power shovel 12 may be mounted. In short, at least the notification unit 10 e in the notification unit 10 may be mounted on the power shovel 12. Of course, the notification unit 10e may be provided in the mobile crushing machine and the power shovel 12.

(5) The transmission and reception in the second embodiment are either wireless or wired or both, but, for example, a mobile crushing machine operating near a large electric motor and a crushed material supply machine It is desirable to select and use a cable that is resistant to noise in step 12. In view of this, it may be possible to freely switch between wireless and wired.

(6) Although the crushed material supply machine 12 in the second embodiment is a power shovel 12, it may be a wheel loader or an excavator. Furthermore, it may be an operation room or the like of a belt conveyor for placing the crushed material 6a on the feeder 3 or directly charging the crushed material 6a from the upper opening 7a.

(7) By providing at least the notification section 10e of the notification means 10 of each of the plurality of mobile crushing machines in the single crushed object supply machine 12 in the second embodiment, the whole (one Optimal fleet management (optimum fleet management) for one crushed object supply machine 12 and multiple mobile crushing machines
it can.

(8) When the power shovel 12 in the second embodiment is operated externally, it is desirable that at least the notifying unit 10e of the notifying means 10 be installed in an external operation field.

[Brief description of the drawings]

FIG. 1 is a notification block diagram according to a first embodiment.

FIG. 2 is an explanatory diagram of an arrangement of a level sensor in the first embodiment.

FIG. 3 is a front view of the display in the first embodiment.

FIG. 4 is a layout diagram of a display device in the first embodiment.

FIG. 5 is a notification block diagram according to a second embodiment.

FIG. 6 is an explanatory diagram of transmission and reception in the second embodiment.

FIG. 7 is a front view of a panel display according to a second embodiment.

FIG. 8 is a side view of the mobile crushing machine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body, 4 ... Crusher, 6a ... Crushed object, 6b ... Crushed object, 7a ... Upper opening, 7b ... Lower opening, 8 ... Inside (crushing chamber), 9 ... Crushed object amount detection means (level sensor), 1
0: notification means, 10e: notification unit, 12: crushed object supply machine (such as a power shovel), Ho: amount (height).

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Katsuhiro Ikegami 3-20-1 Nakase, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Inside the Construction Robot Division, Komatsu Manufacturing Co., Ltd. (72) Inventor Toru Nakayama 3 Nakase, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture -20-1 In the Construction Robot Division of Komatsu Manufacturing Co., Ltd.

Claims (3)

[Claims] 1. An upper opening (7a) mounted on a vehicle body (1).
Crusher that crushes the crushed material (6a) introduced into the inside (8) from the inside and discharges the crushed material (6b) from the lower opening (7b) to the outside
In the mobile crushing machine having (4), the crushed material amount detecting means (9) for detecting the amount (Ho) of the crushed material (6a) charged into the inside (8), and The meaning of each crushed object (6a) (Ho) is stored in advance, and the crushed object
A mobile crushing machine comprising: a notifying means (10) for notifying the meaning to the outside when receiving the amount (Ho) of (6a). 2. A crusher includes a crusher.
The mobile crushing machine according to claim 1, wherein the height (Ho) of the crushed object (6a) put into the inside (8) of the (4) is detected. 3. An upper opening (7a) mounted on a vehicle body (1) and having an upper opening (7a).
Crusher that crushes the crushed material (6a) introduced into the inside (8) from the inside and discharges the crushed material (6b) from the lower opening (7b) to the outside
The mobile crushing machine having (4) has a crushed material amount detecting means (9) for detecting the amount (Ho) of the crushed material (6a) charged into the inside (8), and has The meaning of each input amount (Ho) of the crushed object (6a) is stored in advance, and the crushed object
When the amount (Ho) of (6a) is received, at least the notifying unit (10e) of the notifying means (10) for notifying the meaning to the outside is supplied to the mobile crushing machine by supplying the crushed material (6a). Crushed material supply machine
A mobile crusher provided in (12).