JP2008208579A - Side brush device of garbage truck - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inexpensive side brush device of a garbage truck having a simple configuration and capable of making a horizontally inclined angle of a side brush correspond to the inclination angle of a section to be cleaned quickly. <P>SOLUTION: In this side brush device of the garbage truck, a brush supporting body 12 is provided in a tip part 11A of a bracket 11 to turn freely through a pivotal shaft 14 displaced onto an outer side in the direction of vehicle width so that the moment acting by the self-weight of the brush supporting body 12 and the moment acting by the ground contact force of the side brush 3 act in the direction for turning a horizontally inclined angle α of the side brush 3 into a negative angle. This side brush device is provided with a horizontally inclined angle changing device 20 capable of allowing the brush supporting body 12 to turn in the direction for turning the horizontally inclined angle α of the side brush 3 into the negative angle at a plurality of angle positions between the tip part 11A of the bracket 11 and the brush supporting body 12. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a side brush device for a cleaning vehicle, and more particularly to a device in which a lateral inclination angle of a side brush corresponds to an inclination angle of a cleaning portion.

The side brush device of a cleaning car tilts the side brush so that the front part and outer lateral part of the brush are in contact with the cleaning part, and the rear part and inner lateral part of the brush are not in contact with the cleaning part, so that the dust in the cleaning part Is efficiently swept into the cleaning range of the main brush. In order to use this side brush at a cleaning location with an inclination angle (for example, a side groove on a road), conventionally, a brush support body that rotatably supports a side brush is mounted on a bracket provided on a vehicle body of a cleaning vehicle. It is known that the axis is attached so as to incline in the lateral direction with respect to the bracket, and the lateral inclination angle of the side brush corresponds to the inclination angle of the cleaning portion. As described in Patent Document 1, a brush support body supporting a side brush is supported by a pivot provided at a tip end portion of a bracket so as to be swingable, and a horizontal tilt cylinder is provided between the tip end portion of the bracket and the brush support body. It is provided for arm brackets (brackets) as described in Patent Document 2 or by interposing and controlling the protrusion amount of the rod of the lateral tilt cylinder to automatically follow the lateral tilt angle of the side brush to the tilt angle of the cleaning portion. The support arm (brush support) that supports the side brush by the pin (pivot) is swingably supported, and the lateral tilt angle of the side brush is cleaned by adjusting the protruding amount of the tilt angle adjustment bolt attached to the support arm. This corresponds to the inclination angle of the location.
Japanese Patent No. 3567947 Japanese Patent No. 3134485

As in Patent Document 1, in order to provide a lateral tilt cylinder that forcibly swings the side brush, a hydraulic drive source, hydraulic piping, and the like must be installed in the vehicle body, and the structure becomes complicated. There is a risk of high costs. In addition, as in Patent Document 2, in order to make the lateral inclination angle of the side brush correspond to the inclination angle of the cleaning location, the protruding amount of the adjustment bolt must be adjusted, and the tool is changed every time the inclination angle of the cleaning location changes. There is a hassle of adjusting the bolt using
Accordingly, an object of the present invention is to solve the above problems, and to provide an inexpensive side brush device for a cleaning vehicle with a simple configuration in which the lateral inclination angle of the side brush quickly corresponds to the inclination angle of the cleaning portion. The purpose is to do.

  According to the present invention, a brush support body that rotatably supports a side brush is attached to a bracket provided on a vehicle body of a cleaning vehicle so that a rotation axis thereof is inclined in a lateral direction with respect to the bracket. In the side brush device of a garbage truck that is designed to correspond to the inclination angle of the cleaning location, the moment that acts on the tip of the bracket due to the weight of the brush support or the grounding force of the side brush is applied to the tip of the bracket. It is provided so as to be rotatable via a pivot that is displaced outward in the vehicle width direction so as to act in a direction in which the lateral inclination angle is negative, and the brush support body is between the tip of the bracket and the brush support body. A lateral inclination angle changing device capable of receiving rotation in a negative direction at a plurality of angular positions (claim 1).

  Further, according to the present invention, a stopper member is provided at a position away from the pivot at the tip of the bracket, and the brush support body rotates toward the stopper member when rotating in a direction in which the lateral inclination angle becomes negative. A contact member is provided, and one of the stopper member and the contact member is provided with a lateral inclination angle adjusting groove that opens toward the other at a plurality of different angular positions with respect to the pivot, and a plurality of lateral inclinations are provided between the stopper member and the contact member. An adjustment member that can be selectively engaged and disengaged is provided in the angle adjustment groove so as to be able to be clamped, and the lateral inclination angle changing device is configured (claim 2). According to the present invention, an adjustment member that can be selectively engaged and disengaged in the lateral inclination angle adjustment groove is provided so as to be held at the distal end portion of the bracket (Claim 3). A stopper member is provided, the contact member is positioned between the pair of stopper members, and holding members along the stopper member are provided at both ends of the long adjustment member that contacts the pair of stopper members, respectively. A long hole to be fitted is provided, and the position of the adjusting member engaged with the lateral inclination angle adjusting groove is changed by guiding the long hole on the pivot shaft (claim 4).

The present invention rotates the brush support at the tip of the bracket via a pivot that is displaced outward in the vehicle width direction so that a moment due to its own weight or grounding force acts in a direction that makes the side brush lateral inclination angle negative. A lateral inclination angle changing device that can be freely installed and can be received at a plurality of angular positions when the brush support body rotates in a direction that makes the lateral inclination angle of the side brush negative between the tip of the bracket and the brush support body. Since it provided, the horizontal inclination angle of a side brush can respond | correspond to the inclination angle of a some cleaning location simply and rapidly by changing the receiving position of a brush support body with a horizontal inclination angle changing apparatus.
Further, according to the present invention, a stopper member is provided at the tip of the bracket, a contact member that rotates toward the stopper member is provided on the brush support body, and the other of the stopper member and the contact member is provided at a plurality of different angular positions. Since the lateral inclination angle adjusting groove that opens toward the surface is provided, and an adjustment member that can be selectively engaged with and disengaged from the plurality of lateral inclination angle adjusting grooves is provided between the stopper member and the abutting member, the stopper member is provided. By selectively engaging and disengaging the adjustment member between the contact member and the plurality of lateral inclination angle adjustment grooves, the lateral inclination angle of the side brush can be easily adjusted to multiple angles without using a tool or the like. It can be changed to a simple configuration. In addition, since the pivot is provided so that the weight of the brush support body and the grounding force acting on the side brush act in the direction (return direction) that makes the lateral inclination angle of the side brush negative, the contact member serves as the adjustment member. Therefore, the lateral inclination angle of the side brush can be reliably held at the selected angle.

Further, according to the present invention, the adjustment member that can be selectively engaged with and disengaged from the lateral inclination angle adjusting groove is provided at the front end portion of the bracket so that the adjustment member is selectively engaged with and disengaged from the lateral inclination angle adjustment groove. At this time, it is possible to prevent the bracket from being detached from the tip, and it is possible to prevent the adjustment member from being lost.
Further, according to the present invention, the abutting member is positioned between a pair of stopper members provided at the tip of the bracket, and holding members along the stopper member are provided at both ends of the long adjusting member that abuts the pair of stopper members. Each is provided with a long hole that fits into the pivot on the holding member, and the position of the adjustment member that engages with the lateral inclination angle adjusting groove is changed by guiding the long hole on the pivot, And the stopper member can be easily moved, the adjustment member can be selectively engaged with and disengaged from the lateral inclination angle adjustment groove, and the adjustment member can be operated to change the lateral inclination angle of the side brush. It can be carried out simply and quickly in a short time.

A cleaning vehicle 1 shown in FIG. 1 has a side brush 3 that sweeps dust at a cleaning location R inward in the vehicle width direction below a vehicle body 2, and a main brush that sweeps dust from the cleaning location R behind the side brush 3. A brush 4 and an elevator device 5 that carries dust to a hopper (not shown) in front of the main brush 4 are disposed. The side brush 3 is provided in a side brush device 10 including a bracket 11 and a brush support 12. The bracket 11 is supported on a fixed shaft 6 provided on the vehicle body 2 so as to be swingable up and down. Since the bracket 11 is connected to the operation lever 8 near the driver's seat via the lift wire 7, the side brush 3 is moved away from the cleaning point R by the operation lever 8 via the bracket 11 and the brush support 12. And a work position B in contact with the cleaning portion R. The side brush 3 is driven by a drive source (for example, a hydraulic motor) 13 fixed to the brush support 12.
The side brush 3 can be rotated to a bracket 11 provided in the vehicle body 2 of the cleaning vehicle 1 in order to clean a cleaning portion (for example, a side groove on a road) having an inclination angle θ using the side brush 3 of the side brush device 10. The brush support body 12 is attached to the bracket 11 so that the rotation axis CL is inclined in the lateral direction with respect to the bracket 11, and the lateral inclination angle α of the side brush 3 is made to correspond to the inclination angle θ of the cleaning portion. Yes. As shown in FIGS. 1 and 2, the front portion and the outer lateral portion of the side brush 3 are cleaned at the cleaning position R at the working position B by adjusting the inclination of the tip portion 11 </ b> A of the bracket 11 and the brush support 12 in advance. The rear portion and the inner lateral portion of the side brush 3 are not brought into contact with the cleaning portion R.

The vehicle is adapted so that the moment acting on the brush support 12 by its own weight or the moment acting on the grounding force of the side brush 3 acts on the tip 11A of the bracket 11 in a direction that makes the lateral inclination angle α of the side brush 3 negative. It is rotatably provided via a pivot 14 displaced outward in the width direction. In addition, the horizontal inclination capable of receiving at a plurality of angular positions that the brush support 12 rotates in a direction that makes the horizontal inclination angle α of the side brush 3 negative between the tip 11A of the bracket 11 and the brush support 12. A corner changing device 20 is provided.
The lateral inclination angle changing device 20 will be described. A pair of left and right stopper members 21 are provided at a position away from the pivot 14 at the distal end portion 11 </ b> A of the bracket 11. The brush support 12 includes a plate member 22 </ b> A bent in an L shape and a contact member 22 </ b> B, which will be described later, connected via a bolt member 23. The contact member 22 </ b> B rotates toward the pair of stopper members 21 when rotating in a direction in which the lateral inclination angle α of the side brush 3 becomes negative. The contact member 22 </ b> B is formed so as to be positioned between the pair of stopper members 21. One of the stopper member 21 and the abutting member 22B is provided with a lateral inclination angle adjusting groove 24 that opens toward the other at a plurality of different angular positions with respect to the pivot 14, and a plurality of (in between the stopper member 21 and the abutting member 22B ( For example, the lateral inclination angle changing device 20 is configured such that an adjustment member 25 that can be selectively engaged and disengaged is provided in three lateral inclination angle adjustment grooves 24 so as to be sandwiched. In the present embodiment, the pair of stopper members 21 are provided with a plurality of lateral inclination angle adjustment grooves 24 that open toward the contact member 22 </ b> B. The adjustment member 25 is a long bar member so that it can be removed. Further, a plurality of lateral inclination angle adjusting grooves 24 that open toward the stopper member 21 may be provided in the contact member 22A. Holding members 26 are provided along the pair of stopper members 21 at both ends of the adjustment member 25, and each holding member 26 is provided with a long hole 26 a that fits the pivot 14. Therefore, the adjustment member 25 provided so as to be held in the bracket 11 can change the position where the adjustment shaft 25 is engaged with the lateral inclination angle adjustment groove 24 without being detached by guiding the elongated hole 26a to the pivot shaft 14.

  Next, the operation | movement which makes the horizontal inclination angle (alpha) of the side brush 3 with which the side brush apparatus 10 of the said structure was equipped correspond to inclination angle (theta) of a cleaning location is demonstrated. When cleaning a cleaning location R1 (for example, a side groove on a road) having an inclination angle θ1 as shown in FIG. 4A, the cleaning vehicle 1 is moved to the cleaning location R1, and the side brush 3 is moved to the working position by the operation lever 8. After being lowered to B, the operator makes the lateral inclination angle α of the side brush 3 correspond to the inclination angle θ1 of the cleaning portion from the state of FIG. When the operator rotates the brush support body 12 in a direction to make the lateral inclination angle α of the side brush 3 positive (press the outer lateral portion of the side brush 3 against the cleaning portion R1), as shown in FIG. Further, the holding state of the adjustment member 25 by the stopper member 21 and the contact member 22B is released, and the adjustment member 25 can be moved up and down. As shown in FIG. 5B, after the adjustment member 25 is moved, when the pressing of the side brush 3 is released, the moment that the brush support body 14 acts due to its own weight or the grounding force of the side brush 3 is changed to the side. This acts in a direction that makes the lateral inclination angle α of the brush 3 negative. Then, as shown in FIG. 4A, the adjustment member 25 is sandwiched between the stopper member 21 and the contact member 22B, so that the brush support 12 makes the lateral inclination angle α of the side brush 3 negative. And the lateral inclination angle α of the side brush 3 corresponds to the inclination angle θ1 of the cleaning location R1. Next, when cleaning the cleaning portion R2 having the inclination angle θ2 as shown in FIG. 4B, the adjustment member 25 is moved and the lateral inclination angle α of the side brush 3 is set to the cleaning portion as described above. It corresponds to the inclination angle θ2 of R2.

Accordingly, the bracket 11 is pivoted on the bracket 11 via the pivot 14 that is displaced outward in the vehicle width direction so that a moment due to its own weight or grounding force acts in a direction that makes the lateral inclination angle α of the side brush 3 negative. A lateral inclination angle change that can be freely provided and can be received at a plurality of angular positions between the bracket 11 and the brush bearing body 12 so that the brush bearing body 12 rotates in a direction that makes the lateral inclination angle α of the side brush 3 negative. Since the apparatus 20 is provided, the lateral inclination angle α of the side brush 3 can be made to correspond to the inclination angles θ of a plurality of cleaning points simply and quickly by changing the receiving position of the brush support 12 by the lateral inclination angle changing apparatus 20. It becomes possible.
Further, the bracket 11 is provided with a stopper member 21, the brush support 12 is provided with an abutting member 22B that rotates toward the stopper member 21, and one of the stopper member 21 and the abutting member 22B has the other at a plurality of different angular positions. A lateral inclination angle adjusting groove 24 that opens toward the surface is provided, and an adjustment member 25 that can be selectively engaged with and disengaged from the plurality of lateral inclination angle adjustment grooves 24 is provided between the stopper member 21 and the contact member 22B so as to be sandwiched. Therefore, the adjustment member 25 between the stopper member 21 and the abutting member 22B is selectively engaged with and disengaged from the plurality of lateral inclination angle adjustment grooves 24, so that the side brush 3 can be easily attached manually without using a tool or the like. The horizontal inclination angle α corresponds to a plurality of inclination angles θ and has a simple configuration. Moreover, since the pivot 14 is provided so that the weight of the brush support 12 and the grounding force acting on the side brush 3 act in a direction that makes the lateral inclination angle α of the side brush 3 negative, the contact member 22B is adjusted. The member 25 is always in contact with the stopper member 21 via the member 25, and the lateral inclination angle α of the side brush 3 is securely held at the selected angle.

  Further, since the adjustment member 25 that can be selectively engaged with and disengaged from the lateral inclination angle adjusting groove 24 is provided so as to be held by the bracket 11, when the adjustment member 25 is selectively engaged with and disengaged from the lateral inclination angle adjustment groove 24. It is possible to prevent detachment from the bracket 11 and to prevent the adjustment member 25 from being lost. Further, the abutting member 22 </ b> B is positioned between the pair of stopper members 21 provided on the bracket 11, and holding members 26 along the stopper member 21 are provided at both ends of the long adjusting member 25 that abuts the pair of stopper members 21. Each of the holding members 26 is provided with a long hole 26 a that fits the pivot 14, and the pivot 14 is guided by the long hole 26 a to change the position of the adjustment member 25 that engages the lateral inclination angle adjusting groove 24. Therefore, the adjusting member 25 can be easily moved by being guided by the long hole 26a and the stopper member 21, and the adjusting member 25 can be selectively engaged with and disengaged from the lateral inclination angle adjusting groove 24. The operation of the adjustment member 25 for changing the lateral inclination angle α can be performed simply and quickly in a short time.

It is a figure which shows the cleaning vehicle provided with the side brush apparatus of this invention. FIG. 2 is a view as seen from II in FIG. 1 and shows a state where the side brush is not tilted forward. It is a figure which shows a horizontal inclination angle change apparatus. It is a figure which shows the state which matched the horizontal inclination angle of the side brush with the inclination angle of the cleaning location. It is a figure which shows the movement state of an adjustment member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cleaning vehicle 2 Car body 3 Side brush 10 Side brush apparatus 11 Bracket 11A Tip part 12 Brush support body 14 Axis 20 Lateral inclination angle changing device 21 Stopper member 22B Contact member 24 Lateral inclination angle adjustment groove 25 Adjustment member 26 Holding member 26a Long Hole CL Axis of rotation α Lateral inclination angle R Cleaning location θ Inclination angle

Claims (4)

Mount the brush support body, which supports the side brush so that it can rotate, on the bracket of the vehicle body of the cleaning car so that its axis of rotation is inclined laterally with respect to the bracket. In the side brush device of a garbage truck designed to correspond to the inclination angle, the moment that acts on the tip of the bracket due to the weight of the brush support body or the contact force of the side brush determines the lateral inclination angle of the side brush. It is provided so as to be rotatable via a pivot that is displaced outward in the vehicle width direction so that it acts in the negative direction, and the brush support body makes the side brush lateral inclination angle negative between the tip of the bracket and the brush support body. A side brush device for a cleaning vehicle, comprising a lateral inclination angle changing device capable of receiving rotation at a plurality of angular positions. A stopper member is provided at a position away from the pivot at the tip of the bracket, and a contact member that rotates toward the stopper member when rotating in a direction in which the lateral inclination angle becomes negative is provided on the brush support body. One of the member and the abutting member is provided with a lateral inclination angle adjusting groove that opens toward the other at a plurality of different angular positions with respect to the pivot, and is selectively used as a plurality of lateral inclination angle adjusting grooves between the stopper member and the abutting member. 2. The side brush device for a cleaning vehicle according to claim 1, wherein a lateral inclination angle changing device is configured by being provided so as to be able to sandwich the adjusting member that can be engaged and disengaged. 3. The side brush device for a cleaning vehicle according to claim 2, wherein an adjustment member that can be selectively engaged with and disengaged in the lateral inclination angle adjustment groove is provided so as to be held at a tip portion of the bracket. A pair of left and right stopper members are provided at the front end of the bracket, the abutting member is positioned between the pair of stopper members, and holding members along the stopper member are provided at both ends of the long adjustment member that abuts the pair of stopper members. Each of the holding members is provided with a long hole fitted to the pivot, and the position of the adjustment member engaged with the lateral inclination angle adjusting groove is changed by guiding the long hole to the pivot. Item 4. A side brush device for a cleaning vehicle according to Item 2 or 3.

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