JP2948157B2 - Aerial cleaning device for bogie - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for carrying a truck into a washing room and injecting a harmless cleaning liquid mainly composed of water from the spray nozzle to the truck to perform air cleaning.

[0002]

2. Description of the Related Art It is said that train bogies are overhauled, for example, every three years or every 400,000 kilometers, and must be inspected for cracks or dents to ensure safe operation. Therefore, the trolley is cleaned prior to inspection to prevent oversight of abnormalities due to dirt and to remove substances causing corrosion and the like.

Hitherto, industrial cleaning agents such as fluorine and alkaline have been used for cleaning trolleys. All of them are harmful, and it is becoming mainstream to detoxify and discharge them from the standpoint of environmental protection. However, this requires equipment of a reasonable scale. In addition, there is a problem that the detoxification treatment requires a new chemical equivalent to the harmful chemical component in addition to the equipment.

[0004] Further, the conventional bogie cleaning apparatus has a structure in which a bogie is moved by laying a track floor rail in a cleaning room.
For this reason, a traction device such as a hook is required, and the attachment / detachment is not only troublesome but also dangerous. The attachment and detachment of the traction device can only be performed manually, which hinders the automation of washing.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to enable a truck to be washed with water without using a harmful cleaning agent. It is an object of the present invention to provide an aerial washing device which does not need to be attached to and detached from a vehicle and can be driven by wheels. The present invention particularly provides a cleaning device suitable for cleaning a truck equipped with wheels.

[0006]

According to the present invention, a main cleaning nozzle is arranged at least vertically or horizontally so that a jet line of a cleaning liquid jetted from the nozzle intersects a carriage located at a cleaning position. As a means for carrying the cart into and out of the washing room, a fixed path can be rotated to provide a track for the cart with wheels mounted.
A pair of left and right rail means in the form of a conveyor are laid, the wheels are provided with rotation stoppers, and a lower main cleaning nozzle is provided between the rail means.

[0007] In the present invention, the cleaning liquid mainly composed of water refers to a liquid which is originally 100% water. However, the necessity does not exclude the possibility of using cleaning agents which have been found to be harmless. However, it may be exceptional.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An aerial cleaning device for a truck B according to the present invention performs cleaning by injecting the harmless cleaning liquid from a spray nozzle 20 to the truck B in the air. The cart B is conveyed from one end of the apparatus main body 10 to the other end, and is washed while passing through a washing chamber 11 installed on the way.

A rail means 13 is laid as a transport means 12 on the apparatus main body 10 to provide a track for the truck B with wheels mounted. The rail means 13 is in the form of a conveyor provided with a portion on which wheels are mounted. Therefore, the carriage can be transported by moving the rail itself.

The illustrated rail means 13 is formed by arranging a large number of rail elements 14 for carrying wheels D of a truck B in the conveying direction and assembling them in a chain by connecting pins 15 (FIG. 3). A roller 16 is rotatably supported by each pin 15, and the roller 16 can rotate by rolling a rail 17 provided linearly from one end to the other end on the floor surface of the apparatus main body 10. The rail element 14 is provided with a rotation stop 18 for the wheel D so that the wheel D is not rotated when the carriage B is transported by moving the rail itself. In the illustrated example, there are two types of rail elements 14 located inside and outside, and a rotation stopper 18 is provided only on one of them (FIG. 3B).

Reference numeral 19 denotes a shaping portion provided on some of the rail elements, a portion which can come into contact with the inner corner of the wheel flange F, and 21 denotes a chain for driving the rail means 13, which is installed in the apparatus main body 10. Driven by the sprocket 22 of the driven mechanism. The pair of left and right rail means 13 is set to be equal to the track interval of the truck D, and the main cleaning nozzle 2 is located between them.
A space for arranging 0s is provided and they are arranged in parallel.

The main washing nozzle 20 has a cylindrical body 23 having an open end and a closed other end, and a high-pressure water nozzle 24 provided in the interior thereof so as to face the opening in the axial direction. A negative pressure region is formed in the cylinder 23. A low-pressure water pipe 25 is connected to the cylinder 23, and an air suction port 26 is provided to suction the low-pressure water and air into the high-pressure water flow at a negative pressure, thereby increasing the amount of cleaning liquid and introducing bubbles.

The illustrated main cleaning nozzle 20 is provided at the tip of the rotary arm 27 and sprays the cleaning liquid while rotating it around the rotation axis. The rotating arm 27 illustrated in FIG.
7a and a low-pressure water pipe 27b are also formed and extend radially from the rotation axis. 27c and 27d are the pipes 2
In-shaft pipes leading to 7a and 27b, supply pipes 27e and 27f to them, 28 a gear set for driving a rotating shaft, and 29 a rotary power source.

The main cleaning nozzle 20 sucks low pressure water and air by the water hammer function of jetting high pressure water for cleaning as described above, and increases the specific flow rate by mixing and sucking low pressure water and air by the negative pressure created by the jetting. In addition, the generation of cavitation due to the burst of bubbles and the ultrasonic vibration accompanying the formation of fine bubbles are used for cleaning an object to be cleaned. Such main cleaning nozzles 20 are arranged at least vertically or horizontally so that the jet lines of the cleaning liquid intersect on the carriage at the cleaning position. This is based on the intention of nipping the object to be cleaned from the opposite direction and concentrating the cleaning liquid flow at the cleaning location to enhance the cleaning effect.

For example, in the example shown in FIGS. 1 and 2, the main cleaning nozzles 20 are arranged in two rows at the top and bottom, respectively (these are distinguished as (T) and (B)). The injection lines of the nozzles 20 are inclined rearward or forward so that the injection lines of the cleaning liquid flow intersect and concentrate at the set cleaning position C (see FIG. 7) (see FIG. 5). In each example shown,
Main cleaning nozzles 20 are provided opposite to the left and right wall surfaces of the cleaning chamber 11 so that the cleaning liquid can also be jetted from the left and right sides of the cleaning chamber 11 so that the cleaning liquid can be jetted from the left and right sides to the truck at the cleaning position. I have. The left and right main cleaning nozzles 20
(Discriminated as (L) and (R)) are also arranged in the front and rear two rows, respectively, and the jet line of each nozzle 20 (L, R) is rearward or forward so that the cleaning liquid flow is concentrated at the cleaning position C. Tilted.

Some of the main cleaning nozzles 20, for example, the upper main cleaning nozzle 20 (T) can be configured to be vertically movable. In the case illustrated in FIGS. 6 and 7 and the like, the vertical moving cylinder device 30 is provided in the middle two or three of the five upper main cleaning nozzles 20 (T), and the distance from the nozzle 20 to the part to be cleaned is lengthened. It is possible to change the cleaning. In the illustrated case, each main cleaning nozzle 20 (T, B,
L and R) are arranged in two rows before and after each of two to several groups.

The vertical movement cylinder device 30 is, for example, shown in FIG.
As shown in FIG. 2, a cylinder 32 having a piston 31 that allows the entire rotary nozzle 20 to advance and retreat in the axial direction of rotation is mounted on a mounting frame 33. Mounting frame 33
Are installed obliquely in the apparatus main body 10 so that the injection lines cross on the object to be cleaned as described above. The means for tilting the main cleaning nozzle 20 is the above-mentioned scaffold-shaped mounting frame in the upper main cleaning nozzle 20 (T). However, this is only an example, and in the case of the left and right main cleaning nozzles 20 (L, R) and the lower nozzle 20 (B), an inclined wall surface may be provided.

In FIG. 5 and the like, reference numeral 35 denotes a sub-cleaning nozzle, which is used for cleaning a hood used in a train in the case shown in FIG. The secondary cleaning nozzle 35 is the same as the rotary main cleaning nozzle 20 in that it is provided at the tip of the rotating arm 36. In addition, the vertical movement cylinder device 30 can also advance and retreat in the direction of the rotation axis. However, this is mainly for cleaning by water hammer energy, and is connected to a high pressure water pipe. Reference numeral 37 denotes a mounting frame for the vertical movement cylinder device. Numeral 38 denotes a rotary table which is rotated for washing by putting an armored door or the like used on a train.
, It is possible to ascend above the rail.

A drying section 40 is set downstream of the cleaning position C. The cleaning section 40 has a nozzle group 41 for injecting dry air to the carriage B and a rotary nozzle 42 for air blow. The dry air nozzle group 41 includes a large number of fixed nozzle openings arranged in the left-right direction, and injects airflow from the turbo fan 43 (see FIG. 7). The rotating nozzle 42 has a rotating arm like the washing nozzle 20 in FIG. 4 described above, and sprays relatively high-pressure dry air to the carriage B from the tip thereof. The rotary nozzle 42 has a vertical movement cylinder device 44,
The injection distance to the truck can be changed.

In the cleaning chamber 11 provided with the above-described cleaning device and drying device, an exhaust device 45 is provided between the cleaning device portion and the drying device portion, and a steam exhaust device 50 is provided at an inlet portion and an outlet portion, respectively. Is provided. The exhaust devices 45 and 50 draw the steam filled in the cleaning chamber through the upper outlet 46 and the left and right outlets 51 and 52 as power. This cleaning device performs non-polluting cleaning, and therefore does not use harmful cleaning agents.However, until a cleaning agent that is known to be harmless or can be easily rendered harmless is used together. It does not exclude it. For that case, a nozzle for injecting a cleaning liquid containing a cleaning agent can be provided at the inlet.

The cleaning chamber 11 may be further provided with a slide nozzle device 46 (see FIG. 8). The device 46 is approximately L
The upper nozzle group 47 has a plurality of nozzles 49 in the horizontal direction, and the side nozzle group 48 has a plurality of nozzles 4 in the vertical direction.
9. The low pressure water is washed by the device 46 at the cleaning position C.
In order to extend the injection range back and forth, the frame 53 to which the nozzle groups 47 and 48 are attached is configured to be movable along the guide rail 54R. 54S indicates a cylinder device for forward and backward movement. Slide nozzle device 46
The rear end has reached the front end of the drying section 40.

In such an air washing apparatus, the apparatus main body 1
The carriage B is placed on the rail means 13 at one end of the carriage 0, and the entire carriage together with the wheels can be washed in the washing chamber 11 while transporting the carriage. The main cleaning nozzle 20 performs the cleaning, and the main cleaning nozzles 20 (T, B, L,
R) are arranged so as to cross each other, so that the carriage B is washed by being intercepted by the cross-shaped cleaning liquid flows linearly formed in the horizontal direction and the vertical direction with respect to the moving direction.

During the cleaning, a synergistic action between the central cleaning portion by the water hammer of the injection of the high-pressure water and the peripheral cleaning portion formed around the central cleaning portion where the low-pressure water taken in by the high-pressure water and countless fine bubbles act. Removes dirt. Therefore, water hammer, cavitation, ultrasonic vibration over a wide frequency range, and the like can be used as the energy of the cleaning liquid flow, and dirt on the back side which is not directly affected by water hammer can be well washed away.

The cleaning liquid used for cleaning the present apparatus is mainly water, as described above, and is sprayed from the main cleaning nozzle 20 as high-pressure water to which a high pressure, for example, a pressure of 60 kgf / cm ² or more is applied. Alternatively, the low-pressure water is jetted from the sub-cleaning nozzle 35 as low-pressure water. Of course, if necessary, steam can be blown into the heater to heat the heater. Further, the washing liquid is collected, and the stain is removed and used repeatedly. Reference numeral 55 denotes a tank for circulating the cleaning liquid, which has a heat retaining function. Reference numeral 56 denotes a filter for removing foreign matters from the collected cleaning liquid, and reference numeral 57 denotes a basket filter. Reference numeral 58 denotes a high-pressure pump for cleaning, and 59 denotes a low-pressure pump.

[0025]

The present invention is constructed and operated as described above, so that the truck can be cleaned with the wheels attached, and the jet line of the cleaning liquid intersects at the portion of the truck at the cleaning position, so that the direction is one direction. Or, unlike the cleaning liquid spraying from the opposite direction (180 degrees away), the water hammer energy due to the inclination and its reflection acts effectively, so that the narrow part such as between the wheel and the bogie is cleaned very well. Washing is carried out, and an object to be washed, such as a trolley, on which iron rust is attached, is placed on conveyor-like rail means. There is an effect that the cleaning can be performed safely.

[Brief description of the drawings]

FIG. 1 (a) is a front view of one embodiment of a bogie aerial cleaning device according to the present invention. (B) Side view of the same.

FIG. 2 is a plan view of the device shown in FIG.

FIG. 3A is a cross-sectional view showing an example of a rail device. (B) Front view of the same rail element.

FIG. 4 is a longitudinal sectional view showing an example of a rotary nozzle device as a main cleaning nozzle.

FIG. 5 is an enlarged side view showing an upper main cleaning nozzle.

FIG. 6 is a front view showing the relationship between the cleaning chamber and each part.

FIG. 7 is a side view showing a cleaning chamber and each cleaning device.

FIG. 8 is a perspective view of a slide nozzle device provided in the cleaning chamber.

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B60S 3/04

Claims (7)

(57) [Claims] 1. An apparatus for carrying a truck into a cleaning chamber and injecting a harmless cleaning liquid mainly composed of water into the truck from an injection nozzle to perform aerial cleaning, wherein a jet line of the cleaning liquid injected from the nozzle is used. The main washing nozzles are arranged at least vertically or horizontally so as to intersect with the cart portion at the washing position, and as a means for carrying the cart into and out of the washing chamber, providing a track for the cart with wheels mounted. For this reason, a conveyor that can rotate on a fixed path
An aerial washing device for a bogie, comprising a pair of left and right rail means laid, a wheel rotation stop provided on the rail, and a lower main washing nozzle installed between the rail means. 2. The rail means comprises a large number of rail elements for carrying wheels of a trolley arranged in a transport direction and assembled in a chain by connecting pins, and the rail elements are provided with rotation stoppers. An aerial washing device for a truck according to claim 1. 3. The bogie aerial cleaning device according to claim 2, wherein a chain rotating in the same direction is provided in the apparatus main body for rotating the rail means in the transport direction. 4. The main cleaning nozzle is provided with a high-pressure water nozzle for injecting high-pressure water from an opening into a cylinder having an open end and a closed other end, thereby generating a negative pressure in the cylinder to reduce air and the like. 2. The bogie aerial cleaning device according to claim 1, further comprising a low-pressure water pipe and an air suction port for pressure-suctioning and merging and jetting. 5. The aerial cleaning device of a trolley according to claim 1, wherein the main cleaning nozzle is provided at a tip of the rotary arm, and is configured to jet the cleaning liquid while rotating around a rotation axis. 6. The upper and lower or left and right main cleaning nozzles are arranged in front and rear two rows, respectively, and each nozzle is inclined rearward or forward so that the injection line is concentrated at the cleaning position.
An aerial washing device for a truck according to any one of the preceding claims. 7. The aerial cleaning device for a trolley according to claim 1, wherein an exhaust device is provided between the cleaning chamber and a drying section at a subsequent stage so that the humidity in the cleaning chamber does not affect the drying section.