JP2591589B2 - Truck cleaning equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine for a truck which is used when washing wheels of a push-type truck.

[0002]

2. Description of the Related Art Conventionally, when removing dirt from wheels of a cart, the cart was passed over a dust-removing mat placed on the floor to remove dirt attached to the ground surface of the wheels of the cart.

[0003]

When the cart is used in a clean room or the like where high dust-freeness is required, not only the dirt adhering to the grounding surface of the wheels of the cart but also the entire surface of each wheel of the cart. It is necessary to remove the adhered dirt.
SUMMARY OF THE INVENTION It is an object of the present invention to completely remove dirt attached to each wheel of a truck.

[0004]

According to a first aspect of the present invention, there is provided an apparatus in which a pair of wheels of a bogie are provided near an upper end of a pair of cleaning tanks which are installed in parallel along the transport direction of the bogie and in which a cleaning liquid is stored. A row of guide rollers for placing the bogie main body and sliding in the horizontal direction in a state where it is pulled up above the bottom of the washing tank is installed along the transfer direction, and one side is provided above the bottom of both washing tanks. The lower part of the wheel is arranged side by side with the wheel cleaning passage formed in the middle part, which enters and passes through, and is driven to rotate while sandwiching the lower part of the wheel, pumps up the cleaning liquid and wets the wheel with the cleaning liquid and wets the wheel It has a configuration in which a pair of rotating brushes that are in sliding contact with each other are installed.

According to a second aspect of the present invention, there is provided a draining mat for absorbing moisture adhering to a ground contact surface of a wheel in front of the two wheel washing passages, and a wheel passing through the wheel washing passage rotating in contact with the draining mat. It has the structure installed so that it may pass on the draining mat, respectively.

[0006]

In the truck cleaning apparatus having the structure described in claim 1, each pair of rotating brushes draws up the cleaning liquid while rotating and slides in contact with the lower part of the wheel passing through the wheel cleaning passage from both sides thereof, and the wheel is in contact with each wheel. Dirt that has been wetted by the cleaning liquid pumped by the pair of rotating brushes and adhered to the wheels is scraped off together with the cleaning liquid by each pair of rotating brushes.

According to a second aspect of the present invention, a wheel that has passed through the wheel washing passage passes over the draining mat while rotating in contact with the draining mat. When the wheels pass over the draining mat, the moisture adhering to the ground surface of the wheels is absorbed by the draining mat.

[0008]

According to the first aspect of the present invention, when the lower portion of each wheel of the bogie passes through the wheel washing passage, each pair of rotating brushes wets both sides of the wheel and the ground contact surface with the washing liquid, and contacts both sides of the wheel. Rubs all the way around the ground,
Dirt adhering to the entire surface of the wheel can be effectively removed by the synergistic effect of the cleaning action by the cleaning liquid and the scraping action by the rotating brush.

Therefore, each wheel of the truck can be completely cleaned, and the truck can be used in a clean room or the like where high dust-freeness is required.

According to the second aspect, when each wheel passes over the draining mat, the moisture attached to the grounding surface of each wheel is automatically wiped off by the draining mat, and the grounding surface of each wheel becomes dry. Therefore, the step of wiping the cleaning liquid after the cleaning of the wheels is not required, and the trolley having cleaned each wheel with the trolley cleaning device can be used as it is.

[0011]

Next, one embodiment of the present invention will be described with reference to the drawings. The trolley 1 includes a box-shaped trolley body 2 and two pairs of left and right wheels 3 rotatably supported by a bracket 4 coupled to a lower surface of the trolley body 2 and installed below the trolley body 2. It is transferred in the horizontal direction by a manual operation or an automatic feed mechanism.

A pair of cleaning tanks 5, each of which stores a cleaning liquid S in which a detergent, a germicide or the like is mixed in water, extends along the transport direction of the carriage 1 across a gap smaller than the width of the carriage main body 2. They are installed side by side.

The cleaning tanks 5 include left and right side walls 5a, a front wall 5b, a rear wall 5c, a bottom 5d, and front and rear walls 5b, 5b.
and a middle wall plate 5e erected between the cleaning tanks 5c. A liquid supply pipe 5f for flowing the cleaning liquid S into the cleaning tank 5 is connected to one of the side wall plates 5a, and the cleaning liquid is connected to the other side wall plate 5a. S
Is connected to a discharge pipe 5g for discharging water from the cleaning tank 5.

An entry sensor 9 for detecting the entry of the carriage 1 into the base end of the washing tank 5 and outputting a detection signal is provided at the base end of both washing tanks 5.

The cleaning tanks 5 are each provided with an inlet 18 of an overflow pipe for keeping the height of the liquid surface S1 of the cleaning liquid S constant.

A roller mounting plate 6 is fastened to the inner side wall plates 5a of the two washing tanks 5 by screws 7 so as to be movable in the vertical direction. The guide roller rows 8 are arranged in parallel with each other, and the carriage body 2 is placed thereon and slides in the horizontal direction.

Each guide roller 8a of both guide roller rows 8
Is a support shaft 8b connected to the upper end of the roller mounting plate 6.
, And are rotatably supported, and rotate in contact with the lower surface of the bogie main body 2 which is placed on both guide roller rows 8 and moves straight.

The carriage 1 has a carriage body 2 having two guide roller rows 8.
Placed on top and supported by both guide roller rows 8,
Each pair of wheels 3 moves horizontally while being pulled up above the bottom surface 5h of both washing tanks 5.

Above the bottom surface 5h of both washing tanks 5, a front wall plate 5
b and a brush shaft 10a rotatably supported by a bearing 11 attached to the middle wall plate 5e in a state parallel to the transport direction of the truck 1, and sandwiches one wheel 3 between the transport of the truck 1. A pair of inner rotating brushes 10 and outer rotating brushes 10, each of which is rotationally driven in a slid state, are provided side by side.

The inner and outer rotating brushes 10 of each pair are installed in such a manner that the lower ends thereof are immersed in the cleaning liquid S and the inner ends of the outer peripheral surfaces are slightly in contact with each other.
A wheel washing passage 1 having a substantially V-shaped cross section and having a lower portion of one of the wheels 3 protruding therethrough when the carriage 1 is transported.
2 are each formed in a valley shape.

Outside the base ends of the two washing tanks 5, motors 13 which are activated by the detection signal of the entry sensor 9 and rotate the inner and outer rotating brushes 10 are provided, respectively, and the rotation of the output shaft of the motor 13 is performed. The rotation of the outer rotating brush 10 is transmitted to the inner rotating brush 10 by the drive gear 15, the intermediate gears 16, 16 and the driven gear 17, and the inner and outer rotating brush 10 is moved in the opposite direction. Is driven to rotate.

During transfer of the carriage 1, the inner and outer rotary brushes 10 of each pair push the lower portion of the wheel 3 into the wheel washing passage 12 and press the inner ends of the inner and outer rotary brushes 10 against the lower portion of the wheel 3 from both sides thereof. The cleaning solution S is rotated in the opposite direction in a slightly deformed state, and the cleaning solution S is pumped while rotating, and slides on the both side surfaces 3a and the ground contact surface 3b of the wheel 3 while wetting the wheel 3 with the pumped cleaning solution.

When the carriage 1 moves horizontally with the lower part of the wheel 3 protruding into the wheel washing passage 12, the inner and outer rotating brushes 10
The sliding contact portion that slides on the wheel 3 sequentially shifts, and the wheel 3 passes while rotating the wheel cleaning passage 12 with the movement of the bogie 1, and the inner and outer rotating brushes 10 wet the cleaning liquid S that has pumped the wheel 3. Both side surfaces 3a of wheel 3 and contact surface 3b
The inner and outer rotating brushes 10 scrape off dirt such as dust attached to both side surfaces 3a and the ground contact surface 3b of the wheel 3 together with the cleaning liquid.

A bottom plate 19a and a pair of left and right side plates 1 are provided between the upper end of the rear wall plate 5c and the upper end of the middle wall plate 5e.
9b are respectively laid.

A ground surface 3b of the wheel 3 which is formed in a strip shape by a water-absorbing elastic material such as a sponge and is fitted into the mat base 19 in front of both wheel washing passages 12, and passes through the wheel washing passage 12. Draining mats 20 for absorbing the moisture adhering to the trolley 1 are respectively provided along the transport direction of the carriage 1.

The wheel 3 having passed through the wheel washing passage 12 contacts the draining mat 20 and rotates while rotating.
When the wheel 3 passes over the draining mat 20, the water adhering to the ground contact surface 3 b of the wheel 3 is absorbed by the draining mat 20. The water sucked by the draining mat 20 is dropped on the collecting plate 21 and collected in the washing tank 5.

Next, the operation and effect of the embodiment having the above configuration will be described. In this example, near the upper ends of a pair of cleaning tanks 5 that are installed in parallel along the transport direction of the trolley 1 and store the cleaning liquid S, each pair of wheels 3 of the trolley 1 is attached to the bottom surface 5 h of the cleaning tank 5. A guide roller row 8 for placing the carriage body 2 and sliding in the horizontal direction in a state of being lifted upward is installed along the transfer direction, and one wheel 3 is disposed above the bottom surface 5h of both washing tanks 5. The wheel washing passages 12 are formed side by side with the lower part protruding therethrough, and are driven side by side while sandwiching the lower part of the wheel 3 while pumping up the washing liquid S to wet the wheel 3 with the washing liquid S. A pair of inner and outer rotating brushes 10 slidably in contact with the wheels 3 are respectively installed, and the wheel cleaning passages 12 pass through the wheel cleaning passages 12 through the draining mats 20 that absorb moisture adhering to the ground surface 3b of the wheels 3 in front of the wheel cleaning passages 12. Wheel 3 While rotating in contact with 20 are installed respectively to passing the draining mat 20 above.

For this reason, when the lower part of each wheel 3 of the truck 1 passes through the wheel washing passage 12, the inner and outer rotating brushes 10 wet both sides 3a and the ground contact surface 3b of the wheel 3 with the washing liquid S while the both sides 3a And the entire surface of the wheel 3 is rubbed, so that dirt adhering to the entire surface of the wheel 3 can be effectively removed by a synergistic effect of the cleaning action by the cleaning liquid S and the scraping action by the inner and outer rotating brushes 10. .

Therefore, the surface of each wheel 3 of the truck 1 can be completely cleaned, and the truck 1 can be used in a clean room or the like where a high degree of dustlessness is required.

Further, when each wheel 3 passes on the draining mat 20, water adhering to the grounding surface 3b of each wheel 3 is automatically wiped off by the draining mat 20, and the grounding surface 3b of each wheel 3 is dried. In this state, the step of wiping the cleaning liquid after the cleaning of the wheels 3 becomes unnecessary, and the truck 1 having the wheels 3 cleaned by the truck cleaning device can be used as it is.

[Brief description of the drawings]

FIG. 1 is a plan view of a trolley cleaning device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line X1-X1 of FIG.

FIG. 3 is a view taken along line X2-X2 in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cart 2 Cart body 3 Wheel 3a Side surface 3b Ground surface 5 Cleaning tank 8 Guide roller row 10 Rotary brush 12 Wheel cleaning passage 20 Drain mat S Cleaning liquid

Claims (2)

(57) [Claims] 1. A pair of wheels of a cart are pulled up above the bottom of the washing tank near the upper ends of a pair of washing tanks in which a washing liquid is stored by being arranged in parallel along the transport direction of the cart. A guide roller row for placing the carriage body in the state and sliding in the horizontal direction is installed along the transfer direction, and the lower part of one of the wheels protrudes above the bottom surfaces of the two washing tanks, and the wheels pass therethrough. A pair of rotating brushes are provided, which are arranged side by side with the washing passage formed in the intermediate portion and are respectively driven to rotate while sandwiching the lower portion of the wheel, to pump up the washing liquid and wet the wheel with the washing liquid while sliding on the wheel. A cleaning device for a trolley, comprising: 2. A draining mat for absorbing moisture adhering to a ground contact surface of a wheel is provided in front of the two wheel washing passages. The cleaning device for a trolley according to claim 1, wherein the cleaning device is installed so as to pass over the upper surface.