JP3644607B2 - Conveyor drive device for shear loader - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a conveyor driving device mounted on a shear loader, and in particular, a case rotating planetary speed reducer with a hydraulic motor on a conveyor for transporting excavated earth and sand mounted on a shear loader equipped with a drilling bucket. The present invention relates to a drive device for a conveyor to which a machine is attached.
[0002]
[Prior art]
In general, a shear loader is provided with a base 2 on a self-propelled crawler 1 as shown in FIG. 2, and a conveyor 3 is pivotably attached to the center of the base 2. A boom support frame 4 is attached to a boom open swivel pin that is erected in the vertical direction on the base 2 at the side of the base so that the boom support frame 4 can be turned in the horizontal direction, and a boom that is rotatably attached to the base 2 on the boom support frame 4 Install the open cylinder so that it can rotate. On the other hand, a support bracket 6 that supports the rear boom 5 is attached to the front end portion of the boom support frame 4 by a bucket pivot pin 7 so as to be pivotable in the horizontal direction, and the boom support frame 4 and the support bracket 6 that supports the rear boom 5 are provided. Are connected by a boom left / right swing cylinder 8.
[0003]
Then, the rear boom 5 is swingable in the vertical direction with respect to the support bracket 6 by the cylinder 9, and the front boom 10 is pivotally attached to the tip of the rear boom 5 so as to be swingable in the vertical direction by the cylinder 11. ing. A bucket 12 is pivotally attached to the front end of the front boom 10, and the bucket 12 can swing in a vertical direction by a cylinder 14 via a link 13.
[0004]
In addition, tensioning device hydraulic cylinders 16 are attached to supports 15 disposed on both sides of the conveyor 3 for conveying the excavated earth and sand, etc., via the reduction gear guide hardware 17 by the hydraulic cylinders 16. The rear conveyor pulley 18 can be adjusted back and forth. Reference numeral 19 denotes a dump truck that transports excavated earth and sand conveyed by the conveyor 3.
[0005]
And the conventional conveyor drive device fixes the speed reducer 21 provided with the hydraulic motor 20 to the said speed reducer guide hardware 17 arrange | positioned at the back both sides of the conveyor 3, as shown in FIG. 21 output drive shafts 22 are directly connected to the rear conveyor pulley 18. In practice, the conventional speed reducer 21 uses a three-stage speed reducer.
[0006]
[Problems to be solved by the invention]
However, in the conventional conveyor driving apparatus shown in FIG. 3, the speed reducer 21 provided with the hydraulic motor 20 is decelerated with the hydraulic motor 20 to fix the speed reducer guide hardware 17 disposed on both sides of the rear of the conveyor 3. The machine 21 protrudes greatly from the side plate 23 of the conveyor 3 to the side, and may interfere with the loading side plate of the dump truck 19 for transporting the slip, thereby causing a trouble in the load loading operation.
Therefore, in order to avoid interference with the loading platform side plate, the positional relationship between the conveyor 3 and the dump truck 19 must be accurately maintained. For this reason, it takes time for the dump truck 19 to be moved, and the displacement can be quickly carried out. Therefore, there is a problem that the burden on the operator increases.
[0007]
The present invention has been made in view of the above circumstances, and has a simple structure, a conveyor speed reducer that does not protrude from the side plate of the conveyor, is directly attached to a pulley, and can efficiently carry out shearing. The object is to provide a drive device.
[0008]
[Means for Solving the Problems]
The present invention, in order to achieve the above object, the base one side of the self-propelled crawler, a boom provided with a drilling bucket tip disposed pivotably in a horizontal direction, of the base a conveyor drive unit shear loader equipped with a tiltable conveyor in central, the drive device is provided in the rear side plate of the conveyor device, a reduction gear guide fittings with a recess formed on the surface A case rotating planetary speed reducer with a hydraulic motor attached to the guide hardware, and a pulley for a rear conveyor driven by the planetary speed reducer, and the case rotating planetary speed reducer with a hydraulic motor, a hydraulic motor of the fixed case fixed to the formed reducer guide hardware surface recess, a hollow carrier fixed to the reduction gear guide hardware, rotatably pivoted rotational side cable in the hollow carrier With the door, the ends of the pulley for the rear conveyor, said characterized in that mounted directly on the rotating side case with hydraulic motor case rotation type planetary reduction gear and the ends of the pulley for the rear conveyor, the A case with a hydraulic motor is directly attached to a rotation side case of a rotary planetary reduction gear, and an input gear attached to a drive shaft of the hydraulic motor is connected to the rotation side case via a planetary gear rotatably supported by the hollow carrier . It is characterized by meshing with internal teeth.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described. After the shear loader is moved to the excavation site by a self-propelled crawler and the conveyor device on the base is tilted and arranged at a predetermined angle, The boom support frame, which is mounted on the side in a horizontal direction, is swung horizontally via a boom open swivel pin by means of a boom open cylinder, and is positioned above the conveyor device on the base, and further the bucket at the tip of the boom support frame Two booms with excavation buckets at the tip are moved and arranged at a predetermined excavation position by a boom left / right swing cylinder via a swivel pin, excavation work by excavation buckets at the tip of the two booms, and a sediment transport truck by a conveyor device Can be carried out at the same time.
[0010]
In this case, the conveyor device is a planetary gear in which an input gear driven by a hydraulic motor fixed to a reducer guide hardware provided on the side plate of the conveyor so as to be adjustable in the longitudinal direction is rotatably supported by a hollow carrier of the planetary reducer. In addition, the planetary gear meshes with the internal teeth of the rotating case attached directly to the pulley provided at the rear of the conveyor device, so the rotation of the hydraulic motor is decelerated to the pulley at the rear of the conveyor device. Transmitted to drive the belt of the conveyor device.
In this way, the earth and sand are loaded on the front end of the conveyor by the excavating bucket, and are loaded on the earth and sand transport truck arranged behind the conveyor apparatus.
[0011]
【Example】
An embodiment of a conveyor driving device for a shear loader according to the present invention will be described with reference to the drawings. 1 is a cross-sectional view of the main part of the present embodiment, and FIG. 2 is a side view of the present embodiment. In the figure, the present embodiment is provided with a base 2 on a self-propelled crawler 1. The conveyor 3 is pivotally attached to the center portion so as to be able to tilt, and the boom support frame 4 is attached to a boom open swing pin that is erected in the vertical direction on the base 2 at the side of the front half of the conveyor 3 so as to be able to swing in the horizontal direction. A boom open cylinder that is rotatably attached to the base 2 is rotatably attached to the boom support frame 4.
[0012]
On the other hand, a support bracket 6 that supports the rear boom 5 is attached to the tip of the boom support frame 4 so as to be pivotable in the horizontal direction by a bucket pivot pin 7, and the boom support frame 4 and the support bracket 6 that supports the rear boom 5 are supported. Are connected by a boom swing cylinder 8.
Then, the rear boom 5 is swingable in the vertical direction with respect to the support bracket 6 by the cylinder 9, and the front boom 10 is pivotally attached to the tip of the rear boom 5 so as to be swingable in the vertical direction by the cylinder 11. ing. A bucket 12 is pivotally attached to the front end of the front boom 10, and the bucket 12 can swing in a vertical direction by a cylinder 14 via a link 13.
[0013]
In addition, tensioning device hydraulic cylinders 16 are attached to supports 15 disposed on both sides of the conveyor 3 for conveying the excavated earth and sand, etc., via the reduction gear guide hardware 17 by the hydraulic cylinders 16. The rear conveyor pulley 18 can be adjusted back and forth.
An input gear 26 driven by an output shaft 25 of a hydraulic motor 24 fixed to the reduction gear guide metal 17 meshes with a planetary gear 28 rotatably supported by a hollow carrier 27 of the planetary reduction gear P. The planetary gear 28 is provided so as to mesh with the internal teeth 30 of the rotation side case 29 that is directly attached to the pulley 18 provided at the rear part of the conveyor 3.
In FIG. 1, the case rotating planetary speed reducer P with a hydraulic motor is shown on both sides of the pulley 18 at the rear of the conveyor. However, the case rotating planetary speed reducer P with a hydraulic motor is arranged only on one side of the pulley 18. It may be provided. The case rotating planetary speed reducer P can also be applied to a chain conveyor driving device.
[0014]
Therefore, according to this embodiment, the rotation of the hydraulic motor 24 is decelerated and transmitted to the pulley 18 at the rear of the conveyor, and the belt 31 of the conveyor 3 is driven. It is loaded on the earth and sand transport truck arranged behind.
At that time, the hydraulic motor 24 can be installed in the recess 32 of the reducer guide hardware 17 arranged behind the conveyor 3, while the rotation side case 29 of the planetary reducer P is arranged in the pulley 18. Therefore, the hydraulic motor 24 and the planetary speed reducer P do not protrude sideways from the side plate 23 of the conveyor 3, and interfere with the loading side plate of the dump truck 19 for transporting the slack, causing a trouble in the slack loading operation. There is nothing.
[0015]
【The invention's effect】
According to the present invention described above, pivotally disposed horizontally boom support frame equipped with a boom having a bucket to the base to the tip, tiltable conveyor in a central portion of the base Since the apparatus is mounted, the loading operation and the conveying operation by the conveyor device can be performed simultaneously and continuously, and the loading work efficiency on the earth and sand transport truck is greatly improved.
[0016]
Furthermore, according to the present invention , the drive device is provided on the rear side plate of the conveyor device , and a reduction gear guide metal having a recess formed on the surface thereof, and a case rotation type planetary reduction gear with a hydraulic motor attached to the guide metal. The case includes a rear conveyor pulley driven by a planetary speed reducer, and a case with a hydraulic motor. The rotary planetary speed reducer is a fixed case of a hydraulic motor fixed to a recess formed on the surface of a reducer guide hardware. And a hollow carrier fixed to the reducer guide hardware , and a rotating case pivotally supported by the hollow carrier, and the end of the pulley for the rear conveyor is a case of a case rotating planetary reducer with a hydraulic motor. since mounted directly on the rotating side case, in the carrier plate of sediment trucks to the hydraulic motor and the planetary reduction gear it does not protrude from the side plate of the conveyor laterally Never cause a failure to shear loading work and Wataru.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part of the present embodiment.
FIG. 2 is a side view of the present embodiment.
FIG. 3 is a cross-sectional view of a main part of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Self-propelled crawler 2 Base 3 Conveyor 4 Boom support frame 5 Rear boom 6 Support bracket 7 Rotating pin 8 Boom right-and-left swing cylinder 9, 11, 14 Cylinder 10 Front boom 12 Bucket 13 Link 15 Support 16 Tensioning device hydraulic pressure Cylinder 17 Reducer guide hardware 18 Conveyor pulley 19 Dump car 23 Conveyor side plate 24 Hydraulic motor 25 Output shaft 26 Input gear 27 Hollow carrier 28 Planetary gear 29 Rotating side case 30 Internal tooth 31 Conveyor belt P Planetary reducer

Claims (2)

On one side of the base on the self-propelled crawler, a boom provided with a drilling bucket tip disposed pivotably in a horizontal direction, fitted with a tiltable conveyor device in a central portion of the base shear A conveyor drive device for a loader,
The drive device is provided on a rear side plate of the conveyor device , and a reduction gear guide metal having a recess formed on a surface thereof, a case rotation type planetary reduction device with a hydraulic motor attached to the guide metal, and the planetary reduction device The rear conveyor pulley is driven at a reduced speed by
The hydraulic motor case with rotary type planetary reduction gear includes a hydraulic motor of the fixed case fixed to the reduction gear guide hardware surface formed concave, a hollow carrier fixed to the reduction gear guide fittings, hollow A rotating side case rotatably supported by the carrier,
An end of the pulley for the rear conveyor is directly attached to a rotation-side case of the case rotation type planetary speed reducer with a hydraulic motor. On one side of the base on the self-propelled crawler, a boom provided with a drilling bucket tip disposed pivotably in a horizontal direction, fitted with a tiltable conveyor device in a central portion of the base shear A conveyor drive device for a loader,
The drive device is provided on a rear side plate of the conveyor device , and a reduction gear guide metal having a recess formed on a surface thereof, a case rotation type planetary reduction device with a hydraulic motor attached to the guide metal, and the planetary reduction device The rear conveyor pulley is driven at a reduced speed by
The hydraulic motor case with rotary type planetary reduction gear includes a hydraulic motor of the fixed case fixed to the reduction gear guide hardware surface formed concave, a hollow carrier fixed to the reduction gear guide fittings, hollow A rotating side case rotatably supported by the carrier,
The end of the pulley for the rear conveyor is directly attached to the rotation side case of the case rotating planetary speed reducer with the hydraulic motor, and the input gear attached to the drive shaft of the hydraulic motor is rotatably supported by the hollow carrier. A conveyor driving device for a shear loader, wherein the conveyor driving device meshes with the internal teeth of the rotating case via a planetary gear.

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