JPS60121158A - Method of vertically moving top brush in portal car washing machine - Google Patents

Abstract

PURPOSE:To prevent a car body from danger of damages for improving safety by rotating a motor in the opposite direction to the desired pivoting direction of a brush arm when a top brush is lifted from the lower limit position and then lifting the top brush. CONSTITUTION:When a brush 4 is rotated in the direction a, a motor 5 body receives a counterclockwise force by reaction of urging the clockwise rotation of a rotor so that a brush arm 3 is slanted by the swing in the counterclockwise direction b. When a power means 7 is operated under the slanted condition of the brush arm, the brush arm 3 always naturally pivots counterclockwise to lift the brush 4. Similarly when the brush 4 is rotated reversely, i.e. counterclockwise, the arm 3 is also swung reversely clockwise to lift the brush 4 clockwise by the power means 7. When the pivoting direction of a motor 5 and the operation of the power means 7 are carried out with good timing by utilizing said operation, the arm can be always pivoted in any desired direction.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a so-called gate-type car wash machine that automatically washes a vehicle body by disposing cleaning brushes and the like in a gate-shaped frame that reciprocates a rail.

Generally, the structure around the top brush of this type of car wash machine is as follows:
As shown in FIG. 1, a pair of brush arms 3 are rotatably supported by a portal frame 1 via bearings 2, and both ends of the rotating shaft are supported at each end of the brush arms. A top brush 4 is provided, and a brush arm 3.
It is configured so that it can be raised and lowered by a power means 7 such as an air cylinder connected to one of the support shafts 6, 6,
As shown in FIGS. 2(a) and 2(b), the operating position of the top brush 4 is shown. As the car wash begins, the brush 4 is lowered and as the frame 1 advances, the brush and the vehicle body come into contact with each other, and the brush is pushed up against the vehicle body. The plan moves up and down, and accordingly, the plan rotates and follows the shape of the vehicle body to clean the first surface of the vehicle body. In addition, if there is an object that may become an obstacle during car washing, such as an antenna, wiper, or roof carrier, which may be damaged by contact with the brush, the power means 7 is operated to forcibly raise the brush. need to be avoided. Therefore, as shown in FIGS. 2(a) and 2(b), the brush arms 3, 3 are tilted in opposite directions when the frame 1 is going forward and when the frame 1 is going back, and therefore the power means 7 is also tilted in opposite directions. It must be possible to raise and lower the brush in the direction.

However, in the structure shown in the figure, if the power means 7 is operated with the brush 4 not yet in contact with the vehicle body and lowered due to obstacles such as +iif at the front end or rear end of the vehicle body, With such a structure, it is uncertain in which direction the brush arm should be tilted, and in some cases, the brush arm may rotate in the opposite direction to the tilting direction of the brush arm shown in Figure 2. If you wash the car in this state, the brushes and the car body will face each other and the brushes will not move. This could have caused severe pressure on the vehicle body surface, causing serious damage.

The present invention aims to solve this problem (improvements have been made,
The method is described below.

First, the present invention will be explained in detail with reference to the top brush structure example shown in FIG.

The brush 4 swings and moves up and down in the front and back direction of the main body frame 1 on the support shafts 6 and 6' of the brush arms 3 and 3', but the brush arm has a brush at the end opposite to where the brush is supported. The drive motor 5 and weight 8 are each fixed, and the difference between the moment due to the brush's own weight relative to the support shaft and the moment of the motor and weight is set small, so that the above-mentioned vertical movement of the flange can be achieved with a relatively small force. The rotating brush bristles come into contact with the car body and the plan can easily swing and follow the shape of the car body without imposing an overload on the car body.

When the motor 5 is started to rotate the brush in the direction of arrow a in the figure, for example, when the brush is in a state where it can easily swing due to a light load, the rotation axis of the motor rotates in the direction of a, that is, clockwise. As a result, the motor body receives a counterclockwise force due to the reaction of trying to rotate the rotor connected to the rotating shaft clockwise, and this causes the brush arm to swing counterclockwise, that is, in the direction of arrow 1) and tilt. Become. Therefore, if the power means 7 is actuated in this tilted state, the brush arm naturally always rotates counterclockwise and the brush can be raised. Similarly, if the brush is rotated in the opposite direction, that is, counterclockwise, the arm also swings clockwise in the opposite direction, and the power means 7 can raise the brush clockwise. By utilizing these operations and timing the rotation direction of the motor and the operation of the power means, the arm can always be rotated in the intended direction.

FIG. 3 is a flowchart showing an example of the operation according to the present invention, and the present invention will be explained in detail below based on this figure.

The main body frame 1 is shown in FIG. 2 during the car washing process.
J (B) (C) As shown in (D), it is detected whether the brush 4 is at the lower limit position or not, and if it is at the lower limit position, it is detected whether the next process is the forward or backward movement of the main body frame. . Next machining (If -1 is the outward trip, rotate the brush clockwise in Figure 1, and if it is the return trip, rotate the brush counterclockwise. After rotating the plan, count the timer, and write +iif at the appropriate timing.) The power means 7 raises the brush appropriately to a certain level.The timing at this time is such that the power means is activated by grasping the point in time when the swing of the brush arms 3 and 3 reaches the upper limit due to the reaction when the motor 5 is started. This is preferable in terms of reducing the load on the power means and smoothing the operation, but in reality, it is done in a short time of 1 to 2 seconds or less, and the brush arm is moved from the support shaft 6/6' to the brush support position. It varies depending on various conditions such as the distance to the
It is detected whether the next process involves brushing work with the top brush 4, and if brushing is to be performed, the main body frame begins to advance and the next brushing starts at the same time as step 1. When the energization is released and the brushing is not performed, the brushing is lowered and then raised further and returned to the reset position.

With the above operation, the brush arm is reliably rotated from the lower limit position of the brush in the direction in which it should be tilted in the next two steps.
Furthermore, since the brush is always raised from the lower limit position and then lowered at the same time as the car wash starts, the initial contact pressure with the car body is reduced, compared to the conventional method in which the brush is raised and lowered from the lower limit position by the contact pressure with the car body. It is possible to reduce the risk of damage and prevent damage to the vehicle body surface." 2. Higher safety can be achieved, especially by adding accessor IJ to the front and rear ends of the vehicle body, where there was a risk of damage in the past.
-Effective for cars with unevenness like J-order lights.

The present invention is constructed as described above, and does not require any special modifications to the conventional structure. The top brush rotates in the opposite direction and does not cause any damage to the car body, resulting in a safe device that is not dangerous.In addition, the top brush must be rotated each time the top brush is raised, so it is not used for the brush in the previous process. A highly effective car wash can be achieved by removing adhering sewage, detergent liquid, wax liquid, etc., and preventing dirt on the brush and mixing of liquids.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram showing a general example of the area around the top brush. FIG. 2 is an explanatory diagram showing a general example of the operation of the top brush. FIG. 3 is a flowchart showing the operation of a portion related to the present invention. 1 is the main body frame 3, 3 is the brush arm 4 is the top brush 5 is the motor 7 is the power means Fig. 2 (a) Fig. 3, page 1 continued ■Inventor Kintoki -Yu Koshoku in the laboratory @ Inventor Shiromoto Soma Koshoku T In-house 0 Inventor Hideto Koshi Koshan 1 In-house @ Inventor Hikaru Murayama - Sarashou ■ In-house @ Inventor Aoyagi - Haru Koshon H In-house Te Awasamiya Nishi 1287-2 Maruyama Industries Co., Ltd. Product Development Research Dept. Awasamiya 1 Te Awasamiya← Te Awasamiya Shite Awasamiya West 1287-2 Maruyama Kogyo Co., Ltd. Product Development and Research Procedures Amendment (Shihe') March 22, 1980 Patent Application No. 231157 2, 1982, Title of Invention Top brush A removal method 3 in gate-shaped car wash machines, relationship with the person making the correction # Applicant address 1825 Amemiya, Saraboku IF Oaza Amemiya, Nagano Prefecture Name Maruyama Kogyo Co., Ltd. February 28, 1980 (Shipping date) 5. Engraving of the specification to be amended (rewritten in print equivalent to No. 4, no change in content)
6. Contents of correction

Claims (1)

[Claims] Both ends of the top brush are supported by a pair of brush arms rotatably supported in the longitudinal direction of the gate-shaped frame, and by rotating the arms back and forth, the i-tub brush is raised and lowered, and the top brush is attached to this brush arm. The driving motor is fixed, and at least when raising the top brush from the lower limit position, the motor is rotated in a direction opposite to the direction in which the flange arm is desired to be rotated, and then the top brush is raised to -. How to raise and lower the top brush in a gate-type car wash machine.