JP3000428B2 - Car wash machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is directed to cleaning the front and rear and both sides of an automobile by means of side brushes suspended and supported by a traveling frame which reciprocates in the longitudinal direction with respect to the automobile to be washed. It relates to a car washer.

[0002]

2. Description of the Related Art Conventionally, a pair of guide rails provided on both sides of a gate-shaped traveling frame capable of traveling in the front-rear direction with respect to an automobile to be washed are provided so as to be swingable around a vertical axis, and the guide rails are arranged in a straight line. A spring device for holding the guide rails, a pair of bogies running along the guide rails, a cylinder for running the bogies, and a rotary drive for the bogies so as to be in a neutral position. And a detection device for detecting that the guide rail has swayed from the neutral position by a predetermined angle. 2. Description of the Related Art There is a known car washer in which the traveling of a portal-type traveling frame is temporarily stopped, and a side brush is moved in an opening direction to wash the front of an automobile. See Japanese Unexamined Patent Publication No. 5-35246).

[0003]

By the way, the car wash described in the above publication detects that the guide rail supporting the side brush oscillates from the neutral position by a predetermined angle, and opens the side brush. I have. For this reason, if the side brushes are opened and moved while continuing to travel on the gate-shaped traveling frame, the surface pressure received from the side brushes on both sides of the front of the vehicle may be excessive, and the vehicle may be damaged. In the publication, as described above, the traveling of the portal traveling frame is temporarily stopped, and then the side brush is opened.

[0004] However, in this case, there is a problem that the car washing time is lengthened, and the starting and stopping of the traveling motor of the portal traveling frame is repeated, so that there is a problem that power is wasted unnecessarily. As a result, the cost of car washing increases.

The present invention has been made in view of such circumstances, and in a car washer in which a running frame is made to run on an automobile to be washed, a side brush is opened while the running of the frame is continued. An object of the present invention is to provide a new car washer in which the front of a car can be surely washed and all of the above problems can be solved.

[0006]

According to one aspect of the present invention, there is provided a traveling frame capable of reciprocatingly traveling with respect to a car to be washed, and a traveling speed of the traveling frame. a travel drive apparatus which can travel drive with variable control, on both sides of the traveling frame is swingably supported around a vertical axis, respectively, a pair of right and left guide rails, said pair of guide rails A neutral urging device provided to each of the guide rails to urge the guide rails to a neutral position where the guide rails are substantially aligned, a pair of bogies supported by the pair of left and right guide rails so as to be able to reciprocate, and a pair of bogies A torque motor for rotating the drive wheels forward and backward respectively, a pair of side brushes suspended from and supported by the pair of trucks, and forward and reverse rotation of the pair of side brushes respectively. A rotation motor, a front detection unit that is disposed on the traveling frame in front of the pair of side brushes in the forward traveling direction, and detects a front surface of the vehicle when the traveling frame travels forward; Based on the detection, the traveling drive device, so as to wash the front of the vehicle by opening the pair of trucks in a direction away from each other while making the traveling frame travel forward at a low traveling speed, And a control means for controlling the torque motor.

According to the second aspect of the present invention, in order to achieve the above object, in the first aspect, the pair of guide frames is provided with a brake device for braking their swinging motion. It is characterized by doing.

[0008]

According to the first aspect of the present invention, there is provided a running frame.
Outbound travel than a pair of side brushes
Based on the detection of the front detection means disposed on the front side, the front speed of the vehicle can be cleaned by opening the side brush while continuing the forward traveling while controlling the traveling speed of the traveling frame to a low speed. Washing time is shortened while ensuring reliable washing.

According to a second aspect of the present invention, in the first aspect of the present invention, useless braking of the guide rail supporting the side brush by the brake device is suppressed.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of the present invention;

First, the structure of the car washer will be described with reference to FIGS. 1 to 5. FIG. 1 is a schematic front view of the entire car washer, and FIG. 2 is a side view of the car washer taken along line 2-2 in FIG. FIG. 3 and FIG.
1 is a partial plan view of the car washer taken along line 3-3 of FIG. 1, FIG. 4 is an enlarged partial side view taken along line 4-4 of FIG. 1, and FIG.
It is a partial side view which follows the -5 line.

In FIGS. 1 and 2, a gate-shaped traveling frame 1 is composed of a pair of left and right driving wheels 3 and 3 and a pair of right and left driven wheels 4 and 4 which are mounted on the front and rear lower portions on both sides. Are provided so as to be able to reciprocate on traveling rails 5 and 5 laid on the ground. The driving wheels 3, 3 are linked to a traveling driving device, that is, traveling motors 2, 2 via a speed reduction mechanism, and the traveling frame 1 is moved on traveling rails 4, 4 by forward / reverse driving of the traveling motors 5, 5. Can travel back and forth.

1 and 3, a pair of left and right vertical axes 6 arranged in a substantially vertical direction are provided on the left and right of the upper portion of the running frame 1.
L and 6R are rotatably supported via bearings B and B, and the base ends of a pair of left and right guide rails 7L and 7R are fixed to these longitudinal axes 6L and 6R, respectively. Each of the rails 7L and 7R can swing back and forth in a substantially horizontal direction. As shown most clearly in FIG. 2, the right and left guide rails 7L, the top of 7R, upper rails ₇₁ of the cross-section Yamagata, also to those of the lower, the lower rail 7 ₂ rectangular section are fixed respectively I have.

A pair of carriages 8L, 8R are supported on the pair of guide rails 7L, 7R so as to be able to reciprocate. Carriage 8L, the upper part of 8R, the driving wheel 9L of the upper rail ₇₁ above may roll, 9R and the driven wheel 1
0 and 10 are respectively mounted on the shafts, and the drive wheels 9L,
Torque motors 15L and 15R are connected to 9R, respectively. The carriage 8L, the bottom of the 8R, may roll each other across the front and rear side surfaces of the lower rail 7 ₂ 4
One of the rollers 11 ... and the two rollers 12, 12 that can roll the lower surface of the lower rail 7 ₂ is axially supported. The trucks 8L and 8R are driven by the forward and reverse rotations of the torque motors 15L and 15R, respectively.
Can reciprocate in the opening / closing direction along.

A pair of left and right side brushes 13L, 13R are rotatably suspended and supported on the left and right trolleys 8L, 8R, respectively.
Are rotary motors 1 supported on carts 8L and 8R, respectively.
4L and 14R drive forward and reverse via a transmission mechanism.

As is clearly shown in FIGS. 3 and 4, the bases of spring arms 16L and 16R extending substantially horizontally are fixed to the left and right vertical axes 6L and 6R, respectively. Neutral springs 17L ₁ , 17L _2, 17R ₁ , 17R ₁ , 17L ₂ , which are compression coil springs, respectively, are provided between the left and right tip portions and the spring supports provided on the left and right of the traveling frame ₁ .
17R ₂ is contracted and these neutral springs 17
L ₁ , 17L ₂ ; By the resilience of 17R ₁ , 17R ₂ ,
The pair of left and right guide rails 7L and 7R are biased and held at a neutral position where they are substantially aligned as shown in FIG.
The spring arms 16L and 16R and the neutral spring 1
7L ₁ , 17L ₂ ; 17R ₁ , 17R ₂ constitute left and right neutral urging devices NL, NR, respectively.

As shown in FIGS. 3 and 4, left and right operating plates 18L and 18R extending in a substantially horizontal direction are fixed to the left and right vertical axes 6L and 6R, respectively.
The running frame 1 corresponding to the bifurcated tip of L, 18R
Left and right small-angle switches 19L and 19R and left and right large-angle switches 20L and 20R are provided on the left and right. The small-angle switches 19L and 19R are arranged such that a pair of left and right guide rails 7L and 7R move forward or backward from a neutral position. 1 is detected via the operation plates 18L, 18R, and the large-angle switches 20L, 20R.
R detects through the operating plates 18L and 18R that the pair of left and right guide rails 7L and 7R have swayed forward or backward from the neutral position by a second predetermined angle larger than the first predetermined angle. Then, the small angle switch 19L,
19R can detect that the side brushes 13L, 13R have come into contact with the vehicle V to be cleaned, and the large angle switches 20L, 20R can detect the side brushes 13L, 13R.
R can detect that the contact surface pressure with respect to the vehicle V has become excessive. When the large-angle switches 20L and 20R are operated, the operation of the car washer is completely stopped. ing.

The left and right guide rails 7L, 7R are provided with brake devices BL, BR, respectively.

Next, the brake devices BL and BR will be described with reference to FIGS. 4 and 5, one brake device BL is shown, while the other brake device BR is shown.
Have the same structure.

The bases of arms 21L and 21R extending in a substantially horizontal direction are fixed to the lower portions of the longitudinal axes 6L and 6R, respectively. Plates 21L ₁ and 21R ₁ provided at the tips of the arms 21L and 21R are fixed to the bases. Has rubber plates 22L and 22R formed in a downwardly convex shape. On the other hand, the traveling frame 1 is provided with support plates 23L, 23R corresponding to the rubber plates 22L, 22R.
The protruding lower ends of L and 22R are pressed against the support plates 23L and 23R by their own elastic force.

The left and right brake devices BL, BR configured as described above apply a predetermined braking force to the guide rails 7L, 7R when the guide rails 7L, 7R swing back and forth, thereby suppressing unnecessary vibration thereof. , The small angle switches 19L, 19
R and malfunctions of the large angle switches 20L and 20R can be prevented.

Returning to FIG. 1, the left and right guide rails 7L, 7R
Are provided with the closing switches 24L, 24R and the opening limit switches 25L, 25R for detecting that the carts 8L, 8R are at the closing position and the opening limit position, and the carts 8L, 8R at the closing position and the opening limit position. Restricting closing stoppers 26L, 26
R and opening limit stoppers 27L and 27R are provided.

When the trucks 8L, 8R are moving from the open position to the closed position, the close switches 24L, 24R operate to operate the torque limit motors 15L, 15R. When the direct current braking is applied as described later, the carts 8L, 8R are closed stoppers 26L, 26L.
It is provided so as to stop immediately before hitting R, and to continue to operate from the operating position until the bogies 8L, 8R are at positions where they hit the closing limit stoppers 26L, 26R, and the opening limit switches 25L, 25R are also provided. Similarly, when the carts 8L and 8R are moving from the closed position to the open position, the open switches 25L and 25R operate to apply DC braking to the torque motors 15L and 15R as described later. When the carts 8L and 8R are opened limit stoppers 27L and 27R
Is provided so as to stop immediately before hitting, and to continue to operate from the above operating position until the bogies 8L, 8R are at positions where they hit the opening limit stoppers 27L, 27R.

As shown in FIGS. 1 and 2, on the front left and right sides of the traveling frame 1, front detecting means, ie, photoelectric sensors, for detecting the front of the vehicle V to be washed, which enters the traveling frame 1. emitter 28 ₁ and the light receiver 28 _{and second} 28 are provided to face. A start position detection switch 30 is provided below the traveling frame 1 and is operated by a cam 29 fixed to the traveling surface to detect that the traveling frame 1 is at the start position. Further, a control panel 31 is provided at a front portion of the traveling frame 1, and a control device 3 for controlling the operation of the car washer is provided in the control panel 31.
2. The inverter 33 connected to the traveling motor 2 and the inverters 34L and 34R connected to the torque motors 15L and 15R are housed. The inverter 34
L, 34R includes a voltage changing unit K ₁ for changing the output voltage, respectively, and voltage regulating means K ₂ for outputting a predetermined voltage the input voltage is designated be varied, and a direct current braking means K ₃ . In this embodiment, the inverter 33 is used to change the frequency output to the traveling motor 2 to change the traveling speed of the traveling frame 1. The inverter 34L,
The 34R is used to drive a constant frequency to the torque motors 15L, 15R.
To the torque motor 15L, 1
It is used to change the output torque of 5R and as constant voltage means and DC braking means.

The control means 32 controls the rotary encoder R connected to the output shaft of the traveling motor 2 from when the traveling frame 1 goes forward and the start position detection switch 30 is separated from the cam 29 and becomes inactive. the pulse is added, the traveling frame 1 when the backward traveling by subtracting the pulse, and includes a running position detector D ₁ for detecting a running position from the start position of the traveling frame 1.

In FIGS. 1 and 2, a pair of left and right swing arms 36L and 36R are swingable by support shafts 37L and 37R at an intermediate portion of the running frame 1 in front of the side brushes 13L and 13R. A top brush 38 for cleaning the upper surface of the vehicle V is rotatably supported between the tip portions of the swing arms 36L and 36R via a brush shaft. A motor 39 for rotating the top brush 38 is provided at the base of one swing arm 36L.
The support shaft 37 is further provided with a cylinder 43 for holding the top brush 38 at the upper limit position. The top brush 38 drives the motor 39 to deactivate the cylinder 43, so that the top brush 38 can move up and down by its own weight following the top surface shape of the vehicle. A balance weight 44 is provided at the base of the other swing arm 36R.

In the figure, 40 is a top nozzle for drying the upper surface of the vehicle V, 41 is a side nozzle for drying both side surfaces of the vehicle V, 42 is a start switch for starting car washing, 35 ₁ , 35 ₂ is a stop position indicator for the front wheels of the vehicle V, and VS is a sports type vehicle.

Next, the operation of this embodiment will be described with reference to FIG.
5 will be described with reference to FIGS.

FIGS. 6 and 7 are process diagrams showing the washing process of the front, both sides and rear surface of the automobile by a pair of side brushes, FIGS. 8 and 9 are flow charts showing the washing process, and FIG. It is a figure which shows the front part of a sports type passenger car.

(1) First, the traveling frame 1 is made to stand by at the start position, the pair of side brushes 13L and 13R are stopped at the open position (positions (a) and (a) in FIG. 6), and the top brush 38 Then, with the top nozzle 40 stopped at the upper limit position, the vehicle V to be washed enters the car wash position facing the front surface of the traveling frame 1, and one of the front wheels is moved between the stop position indicators 35 ₁ and 35 _2. And the vehicle V is stopped.

(2) Next, when the start switch 42 is turned on by pressing it, the pair of side brushes 13L, 1L
3R is driven forward (FIG. 6, (a) arrow direction). At this time, the torque motor 15 is supplied from the inverters 34L and 34R.
L, the high voltage E ₁ is applied in the 15R. As a result, the side brushes 13L and 13R that are rotating forward move closed at a high speed (FIG. 8, S1). This closing movement causes the closing switch 2
When the 4L and 24R are activated (S2 in FIG. 8), DC braking is applied to the torque motors 15L and 15R for a predetermined time (S3 in FIG. 8).
Becomes surface pressure suitable for washing the sides of vehicle V at 3R, closing direction of the low voltage E ₂ is torque motor 15L, 15R
To Thereby, the side brushes 13L, 13R
Is the closed position (the positions (a) and (b) in FIG. 6) where the carts 8L and 8R hit the closed stoppers 26L and 26R.

(3) As described above, the torque motor 15L,
Undervoltage E ₂ is applied to 15R, by driving the driving motor 2, the traveling frame 1 starts往走line at high speed (Fig. 8, S4). Thus, the torque motors 15L, 15L
By applying DC braking to R, the trucks 8L, 8R are stopped against the closing stoppers 26L, 26R to prevent the trucks from being stopped. As a result, the torque motors 15L, 1R are stopped.
Damage to the 5R speed reducer and the like can be prevented.
After stopping the carts 8L and 8R by DC braking,
By applying a closing direction of the low voltage E ₂ torque motor 15L, the 15R, side brush 13L, in the next step at a distance from each other in the opening direction to each other by the reaction force due to the rotation of the 13R, the cleaning effect of the front surface of the vehicle V poor Can be prevented.

(4) With the forward traveling of the traveling frame 1, the photoelectric sensor 28 is brought to the position shown in FIG. 6B, and is turned on to detect the front of the vehicle V (FIG. 8, S5).
The traveling position LA at that time is stored (FIG. 8, S6).

(5) The traveling frame 1 continues the forward traveling to reach the position (c) in FIG. 6, and the traveling position is L ₁ (FIG. 8,
At S7), the running speed is controlled to medium speed running (FIG. 8, S8).

As shown in FIG. 10, the running position L ₁ has the longest nose, that is, the longest distance from the center of the front wheels to the front end of the car that can be washed (N in FIG. 9). Type of car VS,
When the traveling frame 1 is traveling at high speed, the side brush 1
The positions of the small angle switches 19L and 19R are set so that the small angle switches 19L and 19R do not operate when the 3L and 13R come into contact with the front part of the vehicle.

[0036] (6) further traveling frame 1 continues to往走line, which FIG. 6, (d) reaches the position and the running position is L ₂ plus the travel distance X in the traveling position LA (FIG. 8 , S9), the traveling speed of the traveling frame 1 is in a closed position with the switching control to the low-speed running, a pair of side brushes 13L, a positive rotation of 13R are controlled and stopped, the timer T ₁ is started to operate (FIG. 8, S10). The running distance X is set to a distance suitable for cleaning the front of the vehicle by the forward rotation of the side brushes 13L and 13R.
The center of the front of the vehicle is cleaned by the inertial rotation from when they rotate forward to when they stop.

(7) By running the traveling frame 1 at low speed,
When this reaches the position (e) in FIG. 6 and the timer T ₁ times out (S 11 in FIG. 8), the pair of side brushes 1
3L, 13R is a pair of torque motors 15L while being driven in reverse, a high voltage E ₁ of the opening direction 15R is applied (FIG. 8, S12). Thereby, a pair of side brushes 13
L and 13R rotate in reverse (FIG. 6, (e) arrow direction)
The front surface of the vehicle can be cleaned while being opened and moved at a higher speed than that of a conventional cylinder. Then, the pair of side brushes 13L and 13R open and move in a short time, so that the front of the automobile can be washed.

At the time of the opening movement, the traveling frame 1 continues to travel forward at a low speed, and therefore, depending on the shape of the front surface of the vehicle V, the guide rails 7L and 7R move as the side brushes 13L and 13R open. It is rocked backward (in the direction opposite to the forward running direction of the running frame).

The time-up time of the timer T ₁ is set to the time from when the forward rotation of the side brushes 13L and 13R is controlled to stop until the forward rotation of the side brushes 13L and 13R actually stops.

(8) A pair of side brushes 13L, 13R
Of the opening limit switches 25L and 25R
N operation is performed (FIG. 8, S13). As a result, DC braking is applied to the torque motors 15L and 15R for a predetermined time (FIG. 8, S14). The DC braking end over the side brush 13L, 13R is, FIG. 6, (f) When comes to the position, the traveling frame 1 torque motor 15L with the high speed, high voltage E ₁ is the predetermined time closing direction to 15R It is applied (FIG. 9, S15). Application of high voltage E ₁ here is to shorten the acceleration time of closing movement of the carriage 8L, 8 R, in order to reduce the remaining wash the sides of the vehicle V, the side brush 13L, 13R is the side surface of the vehicle V Before reaching the washing position, the torque motors 15L and 15R are set to a low voltage,
The torque motor 15L, 15R closing direction of the low voltage E ₂ is applied (FIG. 9, S16).

(9) As the traveling frame 1 travels at high speed, the vehicle V is driven by the pair of side brushes 13L and 13R.
Are cleaned on both sides. And the photoelectric sensor 28
7 is at the position (g) in FIG. 7, and when it is turned off to detect the rear surface of the vehicle V (S17 in FIG. 9), the traveling position LB of the traveling frame 1 at that time is stored (S9 in FIG. 9).
18).

[0042] (10) In me to the position shown in the traveling frame 1 continues to travel FIG 7 (h), the running position, by adding a predetermined distance Y in the running position LB, it becomes a traveling position L ₃ (Fig. 9, S19),往走row of traveling frame 1 it is stopped with come forward travel stop position, the torque motor 15L, the high voltage E ₁ of the closing direction to 15R is applied (FIG. 8, S20) . The predetermined distance Y is determined by the side brush 1 after the photoelectric sensor 28 detects the rear surface of the vehicle V.
3L and 13R are set to distances that are positions suitable for cleaning the rear surface.

(11) The traveling frame 1 is at the position shown in FIG. 7 (i), and the closing switches 24L, 24R are turned on by the movement of the pair of side brushes 13L, 13R in the closing direction.
When activated (FIG. 9, S21), the torque motor 15L, 1
DC braking is applied to each of the 5Rs for a predetermined time, and the reverse rotation driving of the side brushes 13L and 13R is stopped (FIG. 9,
S22).

(12) Next, a pair of side brushes 13
L, with 13R is driven again the normal rotation, the opening direction of the high voltage E ₁ is the torque motor 15L, is applied to 15R, travel frame 1 is restored traveling at low speed (Fig. 9, S2
3). When the side brushes 13L and 13R are opened, the traveling frame 1 continues to travel backward at a low speed.
As the 3L and 13R open, the left and right guide rails 7L and 7R swing forward (in a direction opposite to the backward traveling direction).

(13) When the traveling frame 1 moves backward,
This becomes the position (j) in FIG. 7, and the opening limit switch 25L,
When the 25R is turned on (S24 in FIG. 9), DC braking is applied to the torque motors 15L and 15R for a predetermined time, and the forward rotation of the side brushes 13L and 13L is stopped (S25 in FIG. 9). 13L, 13R
Is completed.

[0046] Incidentally, in the cleaning step, in the case of a motor vehicle VS sports type as shown in a lower vehicle height automotive example 9, the guide rails 7L before timeout of the timer T ₁ in S11 in FIG. 8, 7R In some cases, the small angle switches 19L and 19R are actuated due to the rocking motion of the vehicle.
2 so that the forward traveling of the traveling frame 1 is stopped, and then the side brushes 13L and 13L are controlled.
R is opened.

In the cleaning step, when the traveling frame 1 is traveling forward, the top brush 38
Conventionally known upper surface cleaning of the automobile V is performed.

Although the embodiment of the present invention has been described above, the present invention is not limited to the embodiment, and various embodiments are possible within the scope of the present invention.

For example, in the above-mentioned embodiment, the traveling frame of the car washer has a gate shape, but it may be formed in another shape. May be used. Further, the brush of the side brush may be formed of a cloth such as a non-woven fabric or the like in addition to the brush bristles.

[0050]

As described above, according to the first aspect of the present invention, when the traveling frame provided with the car washing equipment is traveling forward,
Before being located on the front side in the forward running direction from the pair of side brushes
Based on the detection surface detecting means, by the side brush control opening movement while continuing往走line while controlling the traveling speed of the traveling frame in the low speed, it is possible to wash the front of the vehicle, cleaning of the automobile The cleaning time can be significantly reduced without affecting the effect at all.

According to the second aspect of the present invention, in addition to the above-described effects, the swing of the guide frame supporting the side brush can be suppressed by the brake device, so that unnecessary swing of the guide frame can be suppressed. In addition, smooth and accurate swinging of the guide frame can be guaranteed.

[Brief description of the drawings]

FIG. 1 is a schematic overall front view of a car washer.

FIG. 2 is a side view of the car washer taken along line 2-2 of FIG.

FIG. 3 is a partial plan view of the car washer taken along line 3-3 in FIG. 1;

FIG. 4 is an enlarged partial side view taken along line 4-4 of FIG. 1;

FIG. 5 is a partial side view taken along line 5-5 in FIG. 4;

FIG. 6 is a process diagram showing a cleaning process of a front surface, both side surfaces, and a rear surface of an automobile using a pair of side brushes.

FIG. 7 is a process diagram showing a cleaning process of a front surface, both side surfaces, and a rear surface of the automobile using a pair of side brushes.

FIG. 8 is a flowchart showing a process of cleaning the front, both sides and rear of a vehicle.

FIG. 9 is a flowchart showing a process of cleaning the front, both sides and rear of a vehicle.

FIG. 10 is a side view of a front portion of a normal passenger car and a sports type passenger car.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 traveling frame 2 traveling driving means (traveling motor) 7L guide rail 7R guide rail 8L trolley 8R trolley 9L drive wheel 9R drive wheel 13L side brush 13R side brush 14L rotation motor 14R rotation motor 15L torque motor 15R torque motor 28 front detection means ( Photoelectric sensor) 32 control means BL brake device BR brake device NL neutral urging device NR neutral urging device V automobile

Claims (2)

(57) [Claims] 1. A traveling frame (1) capable of reciprocating traveling with respect to an automobile (V) to be washed, and the traveling frame (1) can be driven by variably controlling its traveling speed. Traveling drive (2, 2)
If, on both sides of the traveling frame (1), it is swingably supported around respective longitudinal axis, a pair of left and right guide rails (7
L, 7R) and neutral biasing devices (NL, NR) provided on the pair of left and right guide rails (7L, 7R), respectively, and biasing the guide rails (7L, 7R) to a neutral position where they are substantially straight. )
And a pair of carriages (8L, 8R) supported by the pair of left and right guide rails (7L, 7R) so as to be able to reciprocate.
And drive wheels (9L, 9R) of the pair of carts (8L, 8R).
Motors (15L, 15L)
R), a pair of side brushes (13L, 13R) suspended from and supported by the pair of trolleys (8L, 8R), respectively, and forward and reverse rotation of the pair of side brushes (13L, 13R), respectively. A pair of side brushes (13) are attached to the rotating motors (14L, 14R) and the traveling frame (1).
L, 13R), and is disposed on the front side in the forward traveling direction.
When the traveling frame (1) travels forward, the vehicle (V)
Front detection means (28) for detecting the front of the vehicle, and based on the detection of the front detection means (28), the pair of bogies (8L) while traveling forward with the traveling frame (1) at a reduced traveling speed. , 8R) are controlled to control the traveling drive device (2, 2) and the torque motors (15L, 15R) so that the front surface of the vehicle (V) is cleaned by moving the vehicle in the direction away from each other. Control means (3
2) and a car washer characterized by the following. 2. A car washer according to claim 1, wherein said pair of guide frames (7L, 7R) are provided with brake devices (BL, BR) for braking their swinging motion, respectively. Machine.