JP2004174458A - Self-propelling crusher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a self-propelling crusher which can easily confirm the particle size discharge state of debris and enhances the operability of a control panel. <P>SOLUTION: A main body part 10 is provided with a crusher 30 for crushing a raw material, a discharge device 50 which discharges the debris produced by the crusher 30 and extends from one of the forward and rearward directions of the main body part 10, the engine 45 mounted on one side of the main body part 10 and the control panel 80 provided on the cooling air sucking side 45A of the engine 45, and the leading end 50A of the discharge device 50 is made visible from the installation position of the control panel 80. Accordingly, the particle size discharge state of the debris from the discharge device can be confirmed easily. Further, even if a cloud of sand is whirled up, it is sucked toward the engine from the periphery of the control panel to receive no effect of the radiation from the engine. Therefore, an operation environment becomes well and the operability of the control panel is enhanced. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a self-propelled crusher.
[0002]
[Background Art]
In a self-propelled crusher, raw materials such as rocks excavated by a loader such as a power shovel are dropped into an input hopper, and the raw materials pass through a vibrating grizzly feeder provided at the lower side of the hopper. Then, it is sent to a crusher, where it is crushed. The crushed crushed material is dropped from the discharge port of the crusher to the base end of a discharge device such as a discharge conveyor, sent to the front end along with the raw material dropped from the grizzly feeder, and dropped from the front end to be deposited. Has become. The driving of the grizzly feeder, the crusher, the discharge device and the like is performed by operating various switches and the like of a control panel in a cab installed above the self-propelled crusher (for example, Patent Document 1). reference).
[0003]
[Patent Document 1]
JP-A-11-347493 (page 4, FIG. 1).
[0004]
[Problems to be solved by the invention]
By the way, the operation of the control panel is often performed while checking the state of particle size discharge of the crushed material from the discharge device. However, when the size of the self-propelled crusher is increased, there is a problem that the discharge device is difficult to see because the cab is blocked by an engine hood or the like. Therefore, it is desirable to arrange the control panel below so that it can be operated from the ground, and also to be able to check the state of particle size discharge from the discharge device, but the lower side of the self-propelled crusher is desired. The operation environment cannot be said to be favorable due to the dust and dust flying due to the fall of the crushed material from the discharge device and the heat radiation from the engine. In particular, when a discharge device is installed to discharge crushed material from the engine side, the control panel, the engine, and the tip side of the discharge device will be present on one side of the self-propelled crusher. Although it is good in operating while checking the state of particle size discharge, it is problematic in terms of operating environment.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to provide a self-propelled crusher capable of easily confirming the state of particle size discharge of crushed material and improving the operability of a control panel.
[0006]
[Means for Solving the Problems and Effects]
A self-propelled crusher according to the present invention is a self-propelled crusher, wherein a main body provided with a lower traveling body, a crusher provided in the main body to crush raw materials, and provided in the main body. While discharging the crushed material crushed by the crushing machine, a discharge device extending from one of the front and rear directions of the main body, an engine mounted on the one side of the main body, and an engine of the main body. A control panel provided on a cooling air suction side, wherein a tip of the discharge device is visible from a position where the control panel is installed.
[0007]
According to the present invention, since the control panel is installed at a position where the tip of the discharge device can be seen, the state of particle size discharge of the crushed material from the discharge device can be easily confirmed. In addition, since the control panel is provided on the intake side of the cooling air of the engine, even if the dust rises while the crushed material is being discharged by the discharge device, it is drawn to the engine side from around the control panel and the operation of the control panel In this case, the operation environment is not affected by the heat radiation from the engine, and the operability of the control panel is improved.
[0008]
In the self-propelled crusher of the present invention, it is preferable that the engine is provided at a position higher than the control panel.
According to the present invention, the operation environment is further improved because the engine is less susceptible to heat radiation and exhaust gas from the engine.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
[Schematic description of overall configuration]
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 to 5 are a front view, a rear view, a right side view, a left side view, and a plan view showing the self-propelled crusher 1 according to the present embodiment. In this embodiment, for convenience of explanation, the right side in FIG. 3 is the front side, and the left side is the rear side.
[0010]
The self-propelled crusher 1 may be disposed at a building demolition site or the like and used for crushing concrete or asphalt lumps. In the present embodiment, the self-propelled crusher 1 is exclusively disposed at a mine or a quarry, It is used to coarsely crush natural stone to a predetermined particle size. For this reason, the overall length, overall width, and overall height are large, and they belong to large self-propelled crushers.
[0011]
Such a self-propelled crusher 1 includes a main body unit (main body unit) 10 having a pair of lower traveling bodies 11, and a supply unit mounted on a rear side of the main body unit 10 and supplied with raw materials. 20, a jaw crusher (crusher) 30 mounted on the front side of the supply unit 20, a power unit 40 mounted further on the front side of the jaw crusher 30, and a pair of crawlers 18 below the main unit 10. And a discharge conveyor (discharge device) 50 extending obliquely upward and forward from the front.
[0012]
The main body unit 10 includes a main frame (track frame) 14 in which left and right side frames 12 continuously provided in the front-rear direction are connected by a plurality of connection frames 13 (FIG. 2). The lower traveling body 11 is attached to a lower side of the vehicle. The lower traveling body 11 has a configuration in which a crawler 18 is wound around a sprocket 16 driven by a hydraulic motor 15 at the front and an idler 17 at the rear.
[0013]
The supply unit 20 includes a rear frame 23 in which left and right side frames 21 protruding rearward are connected by a substantially square connection frame 22 having an opening 22A. A grizzly feeder 24 is placed on the upper portion of the rear frame 23 via a plurality of coil springs, and the grizzly feeder 24 is driven by a vibration device 25. A hopper 26 is provided on the upper part of the grizzly feeder 24 so as to surround three sides thereof, and the raw material is put into the hopper 26 which is opened upward. Further, a discharge chute 27 that guides the raw materials sorted and dropped by the grizzly to a lower discharge conveyor 50 is provided below the grizzly feeder 24. In the hopper 26 of the present embodiment, the left and right wing portions 28 are provided so as to be foldable with respect to the main body portion, and are folded downward by removing the upper end of the support bar 29. As a result, the overall height of the supply unit 20 is reduced, and the transportation restrictions on the trailer can be cleared.
[0014]
As shown in FIG. 6, the jaw crusher 30 includes a crusher frame 34 in which left and right side wall plates 31 are connected by a back wall plate 32 reinforced by a plurality of ribs and a cross member 33, and is provided inside the back wall plate 32. A fixed jaw 35 is attached, and a swing jaw 36 having a tooth surface approaching substantially vertically is disposed in front of the fixed jaw 35. The upper side of the swing jaw 36 is suspended from an eccentric portion of a main shaft 37 rotatably mounted between the side wall plates 31, and the lower side is supported by a reaction force receiving link mechanism 60 which receives a reaction force at the time of crushing. The tension link mechanism 70 constantly urges the reaction force receiving link mechanism 60 toward the reaction force receiving link mechanism 60.
[0015]
Here, the reaction force receiving link mechanism 60 supports the toggle plate 61 having one end locked to the back surface of the swing jaw 36, the other end of the toggle plate 61, and rotates around the fixed link pin 63. A toggle link 64 and a bear lock cylinder 65 whose lower end is pivotally supported by the toggle link 64 are generally formed. The bear lock cylinder 65 is rotatably supported (trunnion structure) on the cross member 33 side. The outlet gap W between the lower ends of the jaws 35 and 36 can be adjusted by moving the rod 66 of the bare lock cylinder 65 forward and backward. That is, the reaction force receiving link mechanism 60 is an exit gap adjusting link mechanism 62 that moves the swing jaw 36 toward and away from the fixed jaw 35 via the toggle link 64 and the toggle plate 61 by driving the bear lock cylinder 65.
[0016]
Further, the tension link mechanism 70 is disposed substantially at the center of the reaction force receiving link mechanism 60, and has one end pivotally supported by the swing link 36 and the fixed link pin 63. A tension lever 72 is supported, a tension rod 73 having one end pivotally supported by the tension lever 72, and a tension spring 74 for urging the tension rod 73 in a predetermined direction. 74 is attached to the toggle link 64.
[0017]
In such a jaw crusher 30, when a pulley 38 provided at one end of a main shaft 37 is driven by a hydraulic motor 39 via a V-belt, the swing jaw 36 functions as a swing link by rotation of the main shaft 37, and is fixed. The raw material is crushed with the jaw 35. At this time, in the jaw crusher 30 of the present embodiment, the reaction force receiving link mechanism 60 is a so-called up-thrust type so that the swing jaw 36 swings from the tooth surface of the fixed jaw 35 so as to scrape downward from above. ing.
[0018]
The power unit 40 includes a base frame 42 in which left and right side frames 41 are connected by a plurality of connection frames (not shown). On the base frame 42, an engine 45, a hydraulic pump, a fuel tank 43, a hydraulic oil tank 44, and the like are mounted via appropriate mounting brackets and cross members. A control valve that distributes hydraulic pressure from the hydraulic pump to the hydraulic motor of the lower traveling body 11, the vibration device 25 of the grizzly feeder 24, the hydraulic motor 39 of the jaw crusher 30, the hydraulic motor for driving the discharge conveyor 50, and the like, It is housed in a housing space surrounded by the base frame 42.
[0019]
The discharge conveyor 50 has a rear portion located behind the discharge port at the lower end of the discharge chute 27 and discharges uncrushed raw materials discharged from the discharge chute and crushed materials dropped from the outlet of the jaw crusher 30 to the front. Drop it from the place and deposit it. In addition, when a foreign material such as a reinforcing bar or a metal piece is included as a raw material, a magnetic separator can be attached to the front side of the discharge conveyor 50 to remove the foreign material. The crushed material from the discharge conveyor 50 may not be deposited on the ground, but may be transported to a remote location using a secondary conveyor, a tertiary conveyor, or the like.
[0020]
[Explanation of the structure around the control panel]
As shown in FIGS. 1 and 4, the main unit 10 is provided with a control panel 80. The control panel 80 is provided with various switches and the like, and the switches and the like are operated to drive the lower traveling body 11, the grizzly feeder 24, the jaw crusher 30, the discharge conveyor 50, and the like.
The control panel 80 is provided on the front side of the main frame 14 constituting the main body unit 10, and more specifically, below the power unit 40 including the engine 45 and the like, and for cooling air of the engine 45. It is provided on the suction port 45 </ b> A side and is located off the crawler 18 in the front.
[0021]
Here, the control panel 80 is provided at a height position such that an average physique worker can operate switches and the like in a very natural posture without greatly squatting or stretching out. Therefore, the engine 45 located above the control panel 80 is provided at a position much higher than the height of the worker of the average physique, and the exhaust gas and noise from the engine 45 are hardly noticeable. No. In addition, since the control panel 80 is located on the suction port 45A side, dust flying around the control panel 80 flows to the suction port 45A side and is not affected by heat radiation from the engine 45.
[0022]
The distal end portion 50A of the discharge conveyor 50 is located a predetermined distance ahead of the distal end of the power unit 40 including the engine 45. Further, the height of the distal end portion 50 </ b> A of the discharge conveyor 50 is slightly higher than the base frame 42 of the power unit 40. However, when looking at the crushed material discharged from the distal end portion 50A of the discharge conveyor 50 at the position where the control panel 80 is installed, since the power unit 40 is at a high position, the engine hood and the like do not become an obstacle and easily. This makes it possible to easily observe the particle size of the discharge discharged from the front end portion 50A of the discharge conveyor 50.
[0023]
Next, the operation of the self-propelled crusher 1 will be described.
When the self-propelled crusher 1 is operated, a start switch or the like of the control panel 80 is pressed to start driving each of the working machines 20, 24, 30, 50 and the like. Then, raw materials such as crushed stones are loaded from the loading machine and the like. It is thrown into the hopper 26 of the supply unit 20. Raw materials other than those that have fallen through the gap of the grizzly feeder 24 are sent to the jaw crusher 30 and crushed, and are discharged to the discharge conveyor 50 from the discharge port (exit gap W) of the jaw crusher 30.
At this time, the raw material that has dropped through the gap of the grizzly feeder 24 is also discharged to the discharge conveyor 50 by the discharge chute 27. The crushed material discharged from the jaw crusher 30 to the discharge conveyor 50 and the uncrushed raw material dropped through the gap of the grizzly feeder 24 are discharged from the distal end portion 50A of the discharge conveyor 50 and deposited as a product.
[0024]
If the operation of the self-propelled crusher 1 is performed smoothly, crushed materials and the like are continuously discharged in a well-balanced manner from the tip end portion 50A of the discharge conveyor 50, and the operator controls while observing the particle size state. The board 80 is operated.
As a result of the observation, if the particle size is larger or smaller than the desired particle size, the working machines 20, 24, 30, 50, etc. are stopped, and the outlet gap W of the jaw crusher 30 is adjusted.
Further, even if clogging occurs for some reason and the crushed material or the like is not discharged from the leading end portion 50A of the discharge conveyor 50, the control panel 80 is operated to stop the operation of the self-propelled crusher 1, and the clogging is stopped. To find the cause and investigate the cause.
[0025]
According to the above-described embodiment, the following effects can be obtained.
(1) The distal end 50A of the discharge conveyor 50 is located a predetermined distance ahead of the power unit 40 including the engine 45, but since the power unit 40 is at a position significantly higher than the control panel 80, the control panel When looking at the crushed material discharged from the distal end portion 50A of the discharge conveyor 50 at the position 80, the crushed material can be easily viewed without obstructing the engine hood or the like, and is discharged from the distal end portion 50A of the discharge conveyor 50. The particle size of the discharged waste can be easily observed.
[0026]
(2) Since the control panel 80 is provided on the suction side 45A of the cooling air of the engine 45, even if the dust rises, it is drawn to the engine 45 side from around the control panel 80, and the engine 45 is operated when the control panel 80 is operated. The operation environment is improved without being affected by heat radiation from the control panel, and the operability of the control panel can be improved.
[0027]
(3) Since the engine 45 is provided at a position higher than the control panel 80, the engine 45 is less susceptible to heat radiation and exhaust gas from the engine 45, and as a result, the operating environment can be further improved.
[0028]
It should be noted that the present invention is not limited to the above-described embodiment, but includes other modifications as long as the object of the present invention can be achieved.
For example, in the above-described embodiment, the control panel 80 is provided at a position off the front of the crawler 18 below the power unit 40 and on the side of the cooling air suction port 45A of the engine 45, but is larger than the crawler 18. For example, it may be provided at the forefront of the base frame 42 apart. In this way, even when the crushed material discharged from the distal end portion 50A of the discharge conveyor 50 is viewed, the base frame 42 and the like do not become an obstacle and can be more easily observed.
[0029]
The crusher mounted on the self-propelled crusher of the present invention is not limited to the jaw crusher 30 described in the above embodiment, but may be any crusher such as an impact crusher, a shear crusher, a cone crusher, and a roll crusher. It may be.
[0030]
Furthermore, the configurations of the main body unit 10, the supply unit 20, the jaw crusher 30, the power unit 40, the discharge conveyor 50, and the like can be arbitrarily changed as long as the object of the present invention can be achieved, and is not limited to the above embodiment.
[0031]
In addition, the best configuration and method for carrying out the present invention have been disclosed in the above description, but the present invention is not limited thereto. That is, the present invention has been shown and described mainly with respect to particular embodiments, but may be modified in form, quantity, or form without departing from the spirit and scope of the invention. In other detailed configurations, those skilled in the art can make various modifications.
Therefore, the configurations disclosed above are exemplarily described in order to facilitate understanding of the present invention, and do not limit the present invention. The description by the name of the member without limitation is included in the present invention.
[Brief description of the drawings]
FIG. 1 is a front view showing a self-propelled crusher according to an embodiment of the present invention.
FIG. 2 is a rear view showing the self-propelled crusher.
FIG. 3 is a right side view showing the self-propelled crusher.
FIG. 4 is a left side view showing the self-propelled crusher.
FIG. 5 is a plan view showing the self-propelled crusher.
FIG. 6 is a sectional view showing a jaw crusher of the self-propelled crusher.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Self-propelled crusher, 10 ... Body part unit (body part), 11 ... Lower traveling body, 20 ... Supply unit unit, 30 ... Jaw crusher (crusher), 40 ... Power unit, 45 ... Engine, 45A ... Cooling Air suction port, 50: discharge conveyor (discharge device), 50A: tip of discharge conveyor, 80: control panel.

Claims (2)

In the self-propelled crusher (1),
A main body (10) provided with a lower traveling body (11);
A crusher (30) provided in the main body (10) to crush raw materials;
A discharge device (50) provided in the main body (10) for discharging the crushed material crushed by the crusher (30), and extending from one of the front and rear directions of the main body (10);
An engine (45) mounted on the one side of the main body (10);
A control panel (80) provided on the suction side (45A) of the engine (45) for cooling air in the main body (10);
A self-propelled crusher (1) characterized in that the tip (50A) of the discharge device (50) is visible from the position where the control panel (80) is installed. The self-propelled crusher (1) according to claim 1,
The self-propelled crusher (1), wherein the engine (45) is provided at a position higher than the control panel (80).

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