JPH1110024A - Crusher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crusher having the structure capable of easily attaching a torque arm of a crushing rotary blade driving motor to a body and adjusting the off-center of the crushing rotary blade driving motor. SOLUTION: The torque arm 10 is provided so as to project to both left and right sides of the crushing rotary blade driving motor 9. Both ends of the torque arm 10 and brackets 12, 13 attached under the torque arm 10 in the body 2 of the crushing device are joined to each other through joining members 14, 17 by pins 15, 16 and 18, 19. At least one joining member 17 of the joining members 14, 17 is constituted of a length adjustable member such as a turn buckle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crushing apparatus having a crushing rotary blade with a cutter, such as a self-propelled shredder for crushing general waste or industrial waste, and more particularly to a crushing rotary blade drive. The present invention relates to a mounting structure for a torque arm of a motor.

[0002]

2. Description of the Related Art As a mounting structure of a motor for driving a crushing rotary blade in a crushing apparatus having a crushing rotary blade provided with a cutter around a rotary shaft, Japanese Utility Model Laid-Open No. 7-13442 discloses a mounting structure as shown in FIG. A reaction force receiving plate 31 is attached to the motor 30, a pair of brackets 33 are attached to the vehicle body 32, and both ends of the reaction force receiving plate 31 are attached to the brackets 33.
A structure is disclosed in which upper and lower pressing pieces 35 and 36 attached to the vehicle body 32 by bolts 34 receive the rotational reaction force of the motor 30 on the vehicle body 32.

[0003]

In the conventional structure shown in FIG. 4, the detent load of the motor 30 must be obtained by the frictional force of the bolts 34, so that a large number of bolts 34 are tightened as shown. As a result, the number of assembling steps is increased, and the load of the rotational force of the motor 30 varies greatly, and the number of repetitions of the load variation is large, so that the bolt 34 may be loosened. Also, the upper and lower holding pieces 35 and 36 are
Since it is a structure fixed by 4, it is difficult to adjust the misalignment.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a crushing device having a structure in which a torque arm can be easily mounted and a center deviation of a crushing rotary blade driving motor can be easily adjusted. Aim.

[0005]

According to the present invention, a torque arm is provided so as to protrude from both left and right sides of a motor for driving a crushing rotary blade, and the torque arm is mounted on both ends of the torque arm and below the torque arm in a vehicle body of the crushing device. The bracket and the bracket are each connected by a pin via a connecting member, and at least one of the connecting members is a member whose length can be adjusted (claim 1).

Further, the present invention is characterized in that a parallel link is constituted by the connecting member and the torque arm (claim 2).

[0007]

According to the first aspect, the rotational reaction force of the motor is received by the vehicle body via the torque arm, the left and right connecting members and the bracket. In addition, by adjusting the length of the length-adjustable member provided on at least one of the left and right ends of the torque arm, the torque arm can be mounted in accordance with the vertical core of the motor for driving the crushing rotary blade. Also, since the torque arm can be moved laterally, manufacturing errors and assembly errors can be absorbed by adjusting the length of the connecting member in the vertical direction and by moving the torque arm laterally in the horizontal direction. . Further, the torque arm and the bracket are easily attached by pin connection of the connecting member.

[0008] In the second aspect, since the parallel link is formed by the connecting member and the torque arm, the lateral movement of the torque arm due to the right and left center run-out is performed smoothly.

[0009]

FIG. 1 is a rear view showing a mounting structure of a torque arm in an embodiment of a crushing device according to the present invention.
FIG. 2 is a side view of the crushing apparatus of the embodiment, FIG.
(B) is a side view and a plan view of a crusher equipped with the crusher of the present invention.

In FIGS. 3A and 3B, reference numeral 1 denotes a crawler type traveling body, 2 denotes a vehicle body mounted on the traveling body 1, and 3 denotes a crushing device installed on the vehicle body 2. Device 3
Comprises a pair of crushing rotary blades 4. A hopper 5 is mounted on the crushing rotary blade 4. Further, a prime mover unit 6 is mounted on the vehicle body 2. When various types of actuators of the crusher are used, the prime mover unit 6 includes an engine and a generator driven by the engine. When a hydraulic type is used, the prime mover unit 6 includes the engine and the engine. It comprises a hydraulic pump driven by the engine. In this embodiment, a hydraulic type will be described. Reference numeral 7 denotes a conveyor which is attached between the left and right covers of the frame constituting the traveling body 1 and discharges crushed chips falling from the crushing device 3 to the outside of the machine.

In FIG. 2, reference numeral 8 denotes a drive shaft provided on one of the crushing rotary blades 4, and reference numeral 9 denotes a hydraulic motor for the crushing rotary blades. The gears having different numbers of teeth attached to the ends of the rotary shafts mesh with each other.

The hydraulic motor 9 has a hydraulic motor body 9a.
The center of the torque arm 10 is fixed to a fixing flange 9b provided on the
d, a reduction gear 9e is built in, and a rotating flange 9f to which the output side of the reduction gear 9e is connected is connected to the housing 9 by bolts 9g.
d, and a cylindrical output shaft 9h protruding from an end face of the housing 9d is coupled to the drive shaft 8 of the one crushing rotary blade 4 by a coupler 11.

As shown in FIGS. 1 and 2, brackets 12 and 13 are fixed to the lower portion of the torque arm 10 on the vehicle body 2 by welding or bolting, and one end of the torque arm 10 is connected to the bracket 12. Between the two ends of the link 14,
The torque arm 10 is connected to one end of the torque arm 10 and the bracket 12 by pins 15 and 16 respectively.

Further, between the other end of the torque arm 10 and the bracket 13, both ends of the turnbuckle 17 are connected to the other end of the torque arm 10 and the bracket 13 by pins 1.
It is linked by joining by 8,19. The turn buckle 17 is connected to the torque arm 10 and the bracket 13 by pins 18 and 19, respectively, and includes an upper fork end 20 and a lower fork end 21 which are cylindrical bodies having female screw holes. A threaded rod 22 is screwed to the upper and lower parts, and lock nuts 23 and 24 screwed to the threaded rod 22 and pressed against the end faces of the fork ends 20 and 21 to prevent the threaded rod 22 from rotating. .

In this configuration, the forward rotation of the hydraulic motor 9
The rotation reaction force generated by the reverse rotation is shown in FIG.
The rotary reaction force acts as a force for lifting or compressing the turnbuckle 4 and the turnbuckle 17, and the rotational reaction force is received by the vehicle body 2 via the link 14 and the turnbuckle 17.

As described above, the torque arm 10 and the vehicle body 2 are connected to each other by the link 14 for pinning both ends and the turnbuckle 1.
The vehicle body 2 can receive the rotational reaction force of the hydraulic motor 9 by being connected by a connecting member such as 7. Since such a connecting member is attached by pinning, as shown in FIG.
As a result, as compared with a structure in which the upper and lower torque arm retainers 35 and 36 are mounted, the number of steps required for mounting is greatly reduced, and the mounting of the torque arm 10 to the vehicle body 2 can be performed in a very short time.

Even if the center of the hydraulic motor 9 is misaligned from the designed one due to a manufacturing error or an assembly error of the crushing rotary blade 4, by adjusting the length of the turnbuckle 17, The torque arm 10 can be mounted in alignment with the vertical center of the hydraulic motor 9. Further, since the lateral movement of the torque arm 10 is possible, the misalignment in the left-right direction can be absorbed by the lateral movement of the torque arm 10.

Further, the locking of the screw rod 22 can be surely prevented by the lock nuts 23, 24. Further, even if severe load fluctuations at the time of crushing in the crushing device are applied to the torque arm 10, since the link 14 and the turnbuckle 17 are connected to the vehicle body 2 by the pins 15, 16, 18, and 19, the bolt There is no loosening of the bond as in the case.

Further, in this embodiment, since the torque arm 10, the link 14, and the turnbuckle 17 form a parallel link, the lateral vibration caused by the right and left misalignment of the hydraulic motor 9 is absorbed by the lateral movement of the parallel link. Is done.

Although the link 14 is used as one connecting member and the turnbuckle 17 is used as the other connecting member in the above embodiment, the turnbuckle 17 may be used as both connecting members. In addition, the connection member that can adjust the boom length and connects the torque arm 10 and the vehicle body 2 is not limited to the turnbuckle.

[0021]

According to the first aspect, the torque arm of the hydraulic motor for driving the crushing rotary blade is structured to be pinned to the vehicle body via the connecting member, so that the torque arm can be mounted on the vehicle body. It is easy and can be installed in a short time. In addition, since a length-adjustable member is used for at least one of the connecting members, the vertical misalignment of the crushing rotary blade driving motor can be easily adjusted by adjusting the length of the connecting member, and the lateral misalignment can be reduced. It can be absorbed by the lateral movement of the torque arm. Further, since the torque arm and the connecting member and the connecting member and the vehicle body are connected by the pins, even if the torque arm bears a severe load change of the crushing device, the locking portion of the torque arm does not loosen.

According to the second aspect, since the torque arm and the left and right connecting members form a parallel link, the lateral movement of the torque arm due to the right and left center run-out is performed smoothly.

[Brief description of the drawings]

FIG. 1 is a rear view showing a supporting structure of a torque arm in an embodiment of a crushing device according to the present invention.

FIG. 2 is a side view of the crusher of the embodiment.

FIGS. 3A and 3B are a side view and a plan view, respectively, of a crusher equipped with a crusher of the present invention.

FIG. 4 is a rear view showing a conventional torque arm support structure.

[Explanation of symbols]

1: running body, 2: body, 3: crushing device, 4: crushing rotary blade, 5: hopper, 6: motor unit, 7: conveyor,
8: drive shaft, 9: hydraulic motor, 9a: hydraulic motor body,
9b: fixed flange, 9d: housing, 9e: reducer, 9f: rotating flange, 9h: output shaft, 10: torque arm, 11: coupler, 12, 13: bracket, 1
5, 16: pin, 17: turnbuckle, 18, 19:
pin

Claims (2)

[Claims] 1. A torque arm is provided so as to protrude on both left and right sides of a motor for driving a crushing rotary blade. Both ends of the torque arm and brackets mounted below the torque arm in a vehicle body of the crushing device are respectively connected via connecting members. A crushing device, wherein at least one of these connecting members is constituted by a member whose length can be adjusted. 2. The crushing device according to claim 1, wherein a parallel link is formed by the connecting member and the torque arm.