KR20130007907A - Cart wheel cleaning device - Google Patents

Abstract

PURPOSE: A cart wheel cleaning device is provided to conveniently cleaning carts by pushing out the carts to the outside of the device after cleaning is completed. CONSTITUTION: A cart wheel cleaning device comprises a base(23), a fixed base(65), a movable base(31), a base driving part, lifting frames, a conveyor, and support frames(60). The base is horizontally arranged on the floor. The fixed base is arranged in one side of the top of the base. The movable base is slidingly arranged on the base and slides forward and backward from the fixed base. The base driving part slides the movable base. The lifting frames are arranged on the fixed base and the movable base to be lifted. The conveyor is installed on the lifting frames and horizontally transfers carts(11) to be cleaned. The support frames are arranged on the top of the fixed base and the movable base.

Description

Cart wheel cleaning device

The present invention relates to a cart wheel cleaning device.

For example, a cart for transferring heavy goods is essentially used in manufacturing plants, warehouses, or large marts for processing or assembling and manufacturing various objects. The cart has been used in various types as a transport equipment that can easily and simply move the heavy, short distance.

The cart comprises a main body for loading and loading an object, a plurality of wheels for supporting the main body, a handle for pushing or pulling the main body, and the wheel size and the loading capacity of the loading part are different for each kind of cart. .

However, since the wheel always moves to the ground and rolls, the cart has a problem such that dirt, sand, various dirts, pollutants or pathogenic bacteria adhere to the wheel. For example, when a cart is pulled out to the factory yard to receive raw materials from a supplier and to be transported inside the factory, sand or dirt from the outside of the factory is transferred to the room via wheels. This problem is exacerbated as plant cleanliness is required. Accordingly, a wheel-only washing device for cleaning the wheel of the cart may be separately installed on the path along which the cart moves.

Meanwhile, various types of wheel cleaning apparatuses have been proposed. However, in the conventional wheel cleaning device, in order to clean the wheel, the worker has to lift the cart and sit on the cleaning device, or the worker has to push the cart continuously while the cleaning is in progress. During the cleaning process, the water splashes continuously to the side of the cart, which can contaminate the face or work clothes if the worker stays next to the cart. In addition, the conventional wheel cleaning device can only clean the side surface of the contaminated wheel, due to its structure, for example, the sand stuck in the ground surface in contact with the ground of the wheel can not remove the cleaning efficiency is not very high.

The present invention has been created to solve the above problems, it is convenient to carry out the cleaning while transporting the cart by yourself and push the completed cart to the outside of the device, so that the operator does not have to stay around, particularly high and low, of course between the brush The adjustable spacing allows universal use in carts of different sizes, and furthermore, multiple brushes can simultaneously clean both the ground and both sides of the wheels. have.

The cart wheel cleaning device of the present invention for achieving the above object is, by horizontally moving a cart equipped with a plurality of wheels to the upper portion and washing the wheel in the meantime, the base disposed horizontally on the floor; A fixed base provided at an upper side of the base; A movable base disposed on the upper part of the base to be slidably movable and moving forward and backward with respect to the fixed base through a sliding motion; A base driving part which slides the movable base; An elevating frame disposed on an upper portion of each of the fixed base and the movable base; Elevating means for elevating the elevating frame; A conveyor installed at each of the lifting frames to horizontally transport the cart to be washed; A support frame provided on each of the fixed base and the movable base; It is mounted to each support frame, characterized in that it comprises a wheel washing unit for washing the wheels of the cart while the conveyor transports the cart in conjunction with the conveyor.

In addition, the base driving unit; A plurality of guide rails mounted side by side on an upper surface of the base; A slider mounted on a lower portion of the movable base and slidingly moved along the guide rail in a state of being raised on a guide rail, a transfer motor installed at a side of the movable base and having a pinion gear fixed to a drive shaft thereof, and horizontal to the base. It is fixed to and characterized in that it comprises a horizontal rack gear meshing with the pinion gear of the transfer motor.

In addition, the conveyor; First and second sprockets rotatably supported on the lifting frames and paired with each other at a predetermined distance from each other, a transfer motor for rotating the first sprockets mounted on the lifting frames, and the first sprockets; A pair of chains connecting the second sprocket and circulating around the first and second sprockets by the transfer motor, and a plurality of chains fixed to the chain and in contact with the bottom surface of the cart to be transported to transfer the transfer force of the chain to the cart. It characterized in that it comprises a transfer bracket of.

In addition, the lifting means; A hydraulic motor installed at each of the movable base and the fixed base and driven by hydraulic pressure provided from the outside, a gear box positioned at the side of each hydraulic motor, and driven to receive the rotational torque of the hydraulic motor through an electric shaft; It is characterized by including a rack gear for elevating by the drive of the gear box and connected to the elevating frame to elevate the elevating frame.

In addition, the wheel cleaning unit; It is installed to be axially rotated horizontally to each of the support frame, a plurality of brushes arranged in a lower shape than the wheel of the cart being transported in the form of a cylindrical brush for transporting the wheel during transport, and brush drive unit for driving the brush And, it characterized in that it comprises a plurality of nozzles for spraying the cleaning liquid to the brush side.

In addition, the brushes are arranged side by side with respect to each other, the brush drive unit; It is provided at one end of the central axis of rotation of each brush, it is fixed to the support frame and the dual sprocket consisting of the inner sprocket and the outer sprocket spaced in parallel with each other, the connecting brush connecting the dual sprocket of the neighboring brush, And a brush drive motor having a drive sprocket fixed to the drive shaft, and a transmission chain connecting the drive sprocket and the inner sprocket or the outer sprocket of the selected brush.

In addition, the washing device is characterized in that the cart is disposed in the installation pit dug to the bottom of the ground to ride on the conveyor while moving on the ground.

The cart wheel cleaning device of the present invention made as described above is convenient to carry out the cleaning while pushing the cart by itself and push the completed cart to the outside of the device so that the operator does not have to stay around, especially high and low The time interval can be adjusted for universal use in carts of different sizes, and furthermore, multiple brushes can simultaneously clean both the ground plane and both sides of the wheel for excellent cleaning efficiency.

1 is a front view of a cart wheel cleaning device according to an embodiment of the present invention.
2 is a view schematically showing the side shape of the cart wheel cleaning device shown in FIG.
3 and 4 are views showing a part of the cart wheel cleaning device of FIG.
5 and 6 are views showing another part of the cart wheel cleaning device shown in FIG.

Hereinafter, one embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of a cart wheel cleaning device according to an embodiment of the present invention, Figure 2 is a view schematically showing the side shape of the cart wheel cleaning device shown in FIG.

Basically, the cart wheel cleaning device 21 according to the present embodiment is disposed in the installation pit 15 dug to the bottom of the ground 13. The installation pit 15 is an underground space open to the upper portion that can accommodate the cleaning device 21, the position of which may be changed as necessary in consideration of the copper wire mainly coming and going. For example, it can be installed at the entrance of a factory.

The installation of the washing device 21 in the installation pit 15 takes into account the height of the conveyor 46 and the ground 13 to be described later. That is, when the cart 11 traveling on the ground 13 is pushed directly to the conveyor 46 side (without having to lift it up), the cart 11 is able to immediately climb onto the conveyor 46. As shown, the lower end of the wheel 11a of the cart 11 and the ground 13, which are mounted on the conveyor 46, are located at about the same height. In particular, as will be described later, the conveyor 46 according to the present embodiment can adjust the height to any extent, so that the height of the conveyor 46 can be completely matched with the height of the ground 13.

In any case, the washing apparatus 21 according to the present embodiment includes a base 23 horizontally positioned on the bottom surface of the installation pit 15, a fixed base 65 fixed to an upper side of the base 23, and Located on the side of the fixed base 65, the movable base 31 and the movable base 31 which can be moved forward and backward with respect to the fixed base 65 through a sliding movement, respectively installed on the upper portion of the fixed base 65 and the movable base 31 A support frame 60, a wheel washing unit 61 provided at each support frame 60, a lift frame 45 provided at the fixed base 56 and the movable base 31 so as to be able to be lifted and lowered, respectively; It is installed on each lifting frame 45 includes a conveyor 46 for horizontally transporting the cart (11).

In addition, a controller 59 is provided at the side of the base 23. The controller 59 controls the wheel washing unit as well as the feed rate or height of the conveyor 46.

3 to 6 will be described in detail the detailed structure of the washing apparatus 21 according to the present embodiment.

3 and 4 is a view showing a part of the cart wheel cleaning device 21 of FIGS.

Referring to the drawings, it can be seen that the fixed base 65 and the movable base 31 are spaced apart from the upper surface of the base 23. As described above, the movable base 31 is capable of moving forward and backward with respect to the fixed base 65 through sliding motion.

A base driving part for sliding the movable base 31, the guide rail 33, the slider 35 for sliding along the guide rail 33 in a state of supporting the movable base 31 horizontally, A transfer motor 27 fixed to one side of the movable base 31 and having a pinion gear 29 on its drive shaft, and a horizontal rack gear that is fixed to the base 23 horizontally and meshes with the pinion gear 29. (25) applies. The base driving part is provided with one set on the opposite side to one set with the movable base 31 interposed therebetween.

The guide rails 33 are horizontally fixed to the upper surface of the base 23 and the two are parallel to each other. The extending direction of the guide rail 33 is orthogonal to the conveying direction of the cart 11. In addition, the slider 35 is a member fixed to the bottom surface of the movable base 31 and slides along the guide rail 33 by driving the feed motor 27 while being mounted on the guide rail 33. .

The transfer motor 27 generates torque by electric power received from the outside to rotate the pinion gear 29. However, as described above, since the horizontal rack gear 25 is fixed to the side of the base 23, when the pinion gear 29 rotates, the transfer motor 27 moves horizontally with the movable base 31. That is, the movable base 31 reciprocates on the guide rail 33 and moves forward and backward with respect to the fixed base 65.

In addition, the elevating frame 45 and the elevating means for elevating the elevating frame to the upper portion of the fixed base 65 and the movable base 31 is provided. The lifting frame 45 supports the conveyor 46 while being supported by the lifting means.

The lifting means is connected to the hydraulic motor 37 through the hydraulic motor 37 and the electric shaft 39 fixed to the upper portion of the fixed base 65 and the movable base 31, respectively, the hydraulic motor 37 It includes a gear box 41 receiving the power of the lifting rack gear 43 to vertically receive the power from the gear box in engagement with the gear box 41 and to support the lifting frame 45 to its upper end. do. The number of the gearbox 41 may vary depending on the case.

On the other hand, the conveyor 46, the first sprocket 49 and the second sprocket 51 and the first and second sprockets, which are supported by each lifting frame 45 and spaced apart from each other by a pair to form a pair; A transfer chain 53 which circulates by the rotation of the first sprocket 49 and connects 49 and 51, a plurality of transfer brackets 55 fixed to the outer side of the transfer chain 53, and the first Conveyor drive motor 47 for driving one sprocket (49).

The conveyor driving motor 47 rotates the first sprocket 49 through the drive chain 48 in a state of being fixed to the one side lifting frame 45. To this end, the driven sprocket 47b is fixed to the side of the first sprocket 49. The driven sprocket 47b is a sprocket having the same center of rotation as the first sprocket 49 and is connected to the driving sprocket 47a and the driving chain 48 fixed to the driving shaft of the conveyor driving motor 47.

In addition, the transfer bracket 55 is fixed to the outer side of the transfer chain 53 (opposite side of the sprocket biting portion) through the pin (55a of FIG. 1), a plurality of the transfer bracket 53 along the longitudinal direction of the transfer chain 53 Are arranged consecutively. The transfer bracket 55 takes a roughly T-shaped cross section, contacts the bottom bottom of the cart 11 to be washed, and transfers the transfer force of the transfer chain 53 to the cart 11. The type of the transfer bracket 55 may vary depending on the case.

Reference numeral 57 is a chain supporter. The chain supporter 57 is a horizontally fixed bar, and supports the conveying chain 53 for conveying the cart 11 so as not to be struck downward by gravity.

5 and 6 are views showing another part of the cart wheel cleaning device shown in FIG.

As shown, the support frame 60 is fixed to the fixed base 65 and the movable base 31, respectively, and the wheel washing unit 61 is provided on each support frame 60.

The wheel washing unit 61 is fixed to the support frame 60, the brush drive motor 61b is rotated by the power supplied from the outside and the drive sprocket 61k is fixed to the drive shaft and the support frame A plurality of brushes 61a, which are disposed in parallel to the horizontal line 60 and whose rotation center axis 61m is supported by the support frame 60 through the bearing, and the support frame 60 therebetween, with the brush 61 therebetween. On the opposite side of the dual axis sprocket 61e fixed to one end of the rotation center axis 61m, the brush connecting chain 61d for connecting the dual sprocket 61e of the neighboring brush 61a, and FIG. It consists of a transmission chain 61c connecting the left first brush and the drive sprocket 61k, and a nozzle portion 63 disposed below the brush 61a.

The brush drive motor 61b is a motor controlled by the controller 59. The brush drive motor 61b rotates the brush through the drive sprocket 61k and the electric chain 61c to cause the brush 61a to drive the wheel 11a of the cart. To clean.

On the other hand, each brush (61a) is a cylindrical brush having a center of rotation (61m) in the center thereof, seven in this embodiment is applied side by side. Of course, the number of applications of the brush 61a varies depending on the case. The brushes 61a all have the same size and are spaced apart by a predetermined interval. In addition, the center of rotation axis (61m) is supported horizontally to the support frame 60 through the bearing to rotate.

The dual sprocket 61e provided at one end of each of the rotation center shafts 61m comprises an inner sprocket 61f and an outer sprocket 61g, and is fixed to the rotation center shaft 61m to be rotated to the rotation center shaft 61m. Rotate with). The application of the dual sprocket 61e to the center of rotation shaft 61m is to fasten the brush connecting chain 61d for rotating all the brushes 61a at the same time.

The brush connecting chain 61d is for connecting two neighboring brushes 61a. That is, the brush connection chain 61d is the outer side of the first brush 61a and the second brush when the transmission chain 61c is connected to the inner sprocket 61f of the brush 61a located first on the left side of the drawing. Sprocket (61g), inner sprocket of second brush and third brush (61f), outer sprocket of third brush and fourth brush (61g), inner sprocket of fourth brush and fifth brush (61f), fifth brush And the outer sprocket of the sixth brush (61g), the inner sprocket of the sixth brush and the seventh brush (61f).

By connecting the brush 61a using the brush connection chain 61d as described above, even if only the first brush is rotated by the brush driving motor 61b, all other brushes rotate together.

The nozzle unit 63 provided below the brush 61a receives water from the outside through a water supply pipe and sprays the water toward the brush 61a. The water sprayed from the nozzle unit 63 washes away dust, dirt, sand, etc. coming off the wheel during washing. In particular, the disinfectant or other cleaning solution may be used instead of the water.

Operation of the cart wheel cleaning device 21 according to the present embodiment having the above configuration is made as follows.

First, the controller 59 is operated to determine the distance of the movable base 31 to the fixed base 65, and then the conveyor 46 and the wheel washing unit 61 are driven, and the conveyor 46 is moved through the lifting means. Adjust the height of). Of course, by adjusting the distance of the movable base 31 with respect to the fixed base 65 is to place the brush (61a) in place on the wheel of the cart (11) to be cleaned.

When the conveyor 46 and the wheel washing unit 61 start to operate as described above, the cart 11 to be washed is pushed toward the installation pit 15 so that the cart 11 moves the conveyor bracket 55 of the conveyor 46. Get on.

If the cart 11 is mounted on the conveyor 46 through the above process, the cart 11 is attracted to the conveyor 46 and passes through the top of the wheel washing unit 61. While the cart 11 passes through the upper portion of the wheel washing portion 61, the brush 61a of the wheel washing portion 61 rotates to clean the wheel 11a, and at the same time, the nozzle portion 63 moves the brush 61a. Spray cleaning solution to the side.

After the cart 11 has passed through the wheel washer 61 and finally the front wheel again touches the opposite ground 13, the cart 11 is brought to the opposite ground 19 by the continuous action of the conveyor. Is released completely.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

11: Cart 11a: Wheel 13: Ground
15: mounting feet 21: washing device 23: base
25: horizontal rack gear 27: transfer motor 29: pinion gear
31: movable base 33: guide rail 35: slider
37: hydraulic motor 39: electric shaft 41: gear box
43: lifting rack gear 45: lifting frame 46: conveyor
47: conveyor drive motor 47a: drive sprocket 47b: driven sprocket
48: drive chain 49: 1st sprocket 51: 2nd sprocket
53: transfer chain 55: transfer bracket 55a: pin
57: chain supporter 59: controller 60: support frame
61: wheel washing portion 61a: brush 61b: brush drive motor
61c: Electric chain 61d: Brush connection chain 61e: Dual sprocket
61f: Inner sprocket 61g: Outer sprocket 61k: Driven sprocket
61m: center of rotation axis 63: nozzle part 65: fixed base

Claims (7)

By moving a cart equipped with a plurality of wheels horizontally to the top and washing the wheels,
A base disposed horizontally on the floor;
A fixed base provided at an upper side of the base;
A movable base disposed on the upper part of the base to be slidably movable and moving forward and backward with respect to the fixed base through a sliding motion;
A base driving part which slides the movable base;
An elevating frame disposed on an upper portion of each of the fixed base and the movable base;
Elevating means for elevating the elevating frame;
A conveyor installed at each of the lifting frames to horizontally transport the cart to be washed;
A support frame provided on each of the fixed base and the movable base;
And a wheel washing unit mounted to each support frame and washing the wheels of the cart while the conveyor transports the cart in association with the conveyor. The method of claim 1,
The base driving unit;
A plurality of guide rails mounted side by side on an upper surface of the base;
A slider mounted on the lower portion of the movable base and slidingly moved along the guide rail in a state of being mounted on the guide rail,
A feed motor installed at the side of the movable base and having a pinion gear fixed to the drive shaft thereof;
And a horizontal rack gear that is horizontally fixed to the base and meshes with the pinion gear of the transfer motor. 3. The method according to claim 1 or 2,
The conveyor;
First and second sprockets rotatably supported at each lifting frame and paired with each other in a state spaced apart from each other by a predetermined distance;
A transfer motor for rotating the first sprocket while mounted on the lifting frame;
A pair of chains connecting the first sprocket and the second sprocket and circulating around the first and second sprockets by the transfer motor;
The cart wheel cleaning device, characterized in that fixed to the chain and in contact with the bottom surface of the cart to be transported to include a plurality of transport brackets for transferring the transport force of the chain to the cart. 3. The method according to claim 1 or 2,
The lifting means is;
A hydraulic motor installed on the movable base and the fixed base and driven by hydraulic pressure provided from the outside;
Located in the side of each of the hydraulic motor and the gearbox for driving by receiving the rotational torque of the hydraulic motor through the electric shaft,
A cart wheel washing apparatus, comprising: a rack gear for elevating by driving of the gearbox and connected to the elevating frame to elevate the elevating frame. 3. The method according to claim 1 or 2,
The wheel washing unit;
A plurality of brushes arranged horizontally on each of the support frames, the brushes being disposed at an altitude lower than the wheels of the cart to be transported and brushing the wheels during transport;
A brush driving unit for driving the brush;
Cart wheel cleaning device comprising a plurality of nozzles for spraying the cleaning liquid to the brush side. 6. The method of claim 5,
The brushes are placed side by side with respect to each other,
The brush drive unit;
It is provided at one end of the central axis of rotation of each brush, the dual sprocket consisting of the inner and outer sprockets spaced in parallel to each other,
A brush connecting chain connecting dual sprockets of neighboring brushes,
A brush drive motor fixed to the support frame and having a drive sprocket fixed to the drive shaft;
And a transmission chain connecting the driving sprocket and the inner sprocket or the outer sprocket of the selected brush. The method of claim 1,
The washing device,
The cart wheel cleaning device, characterized in that the cart is disposed in the installation feet dug to the bottom of the ground to ride on the conveyor while moving on the ground.

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