JPH0678055B2 - Railway vehicle bogie frame cleaning device - Google Patents

Description

Description: [Industrial field of use] The present invention relates to an apparatus for cleaning a bogie frame of a railway vehicle.

[Conventional technology]

Conventional cleaning of bogie frames for rail cars is performed by spraying the cleaning chemical liquid pressurized to a low pressure of about 5.0 kg / cm ² onto a bogie frame with a large number of fixed nozzles (about 500), or Was immersed in a cleaning chemical bath and rocked up and down.

[Problems to be Solved by the Invention]

The above-mentioned conventional cleaning device requires a large number of fixed nozzles up to 500, and since the nozzles are likely to be clogged due to the use of a chemical solution, a large amount of labor is spent on cleaning the nozzles, which results in a drawback that the work efficiency does not increase. is there. Further, since the cleaning chemicals cannot be used repeatedly for a long time, a large amount of the chemicals is required, resulting in an increase in cost and an increase in the load on the wastewater treatment facility at the terminal of the factory. Further, the method of immersing the bogie frame in the chemical solution tank and rocking the bobbin frame for cleaning requires a lot of manpower and time for cleaning, and has a drawback that a clean working environment cannot be maintained such as soiling the floor surface in the factory.

An object of the present invention is to use a chemical solution for cleaning, reduce the number of nozzles to reduce the labor required for cleaning when the nozzles are clogged, save the cleaning liquid, and keep the work environment clean and no external noise. It is an object of the present invention to provide a new bogie frame cleaning device for a railway vehicle that does not emit and requires less work time.

[Means for Solving the Problems]

INDUSTRIAL APPLICABILITY The bogie frame cleaning device of the present invention is a long and slender horizontal rectangular cross-section, and an opening having an opening / closing door is provided on one end surface of the box, and each of the rectangular walls including the opening / closing door is sound-insulated. A cleaning chamber having a structure, a moving means for horizontally moving the bogie frame from the opening into the cleaning chamber, and a plurality of vertically arranged upper and lower surfaces and both side faces of the cleaning chamber so as to surround the bogie frame in the cleaning chamber. A plurality of rotating shafts are arranged, and a cleaning nozzle provided at the tip of a plurality of arms radially fixed to the end of the cleaning chamber of the rotating shaft at a right angle to the axis of the rotating shaft,
A local cleaning nozzle device having a cleaning nozzle provided at the lower end of the cleaning chamber of a rotating shaft that is vertically arranged on the ceiling of the cleaning chamber and that can move up and down; A means for giving, a high-pressure pump for supplying washing water having a pressure of 150 kg / cm ² to 100 kg / cm ² , and a temperature of 80 ° C. to 40 ° C. to each nozzle, a steam pipe for heating the washing water, and a structure similar to the washing nozzle. At, a nozzle group for air blow disposed between the nozzle group for cleaning and the opening, a compressed air pipe for supplying compressed air to the nozzle for air blow, a cleaning drainage tank for receiving dirty water after cleaning, and the cleaning It has a sewage circulation treatment facility for purifying the sewage afterwards and sending it again as washing water to the high-pressure pump, and a control device for performing the washing process of the bogie frame according to a preset program.

[Action]

In the sound-insulating wall cleaning room, it is placed on a carrier that is pulled by a chain on the track and rotates forward in the cleaning room with respect to the upper and lower surfaces and both sides of the bogie frame that is moving forward. By injecting high-temperature hot water of 80 ℃ to 40 ℃ pressurized to a pressure of 150kg / cm ² to 100kg / cm ² from a nozzle provided at the tip of the arm, dirt on the surface of the bogie frame is removed. For local stains such as recesses that are difficult to remove only by jetting from the rotating nozzle group, stop the movement of the bogie frame and lower the nozzle installed on the ceiling plate of the cleaning chamber to the desired position, and rotate it to high pressure. Cleaning is performed by spraying hot water locally. After cleaning, the bogie frame is retracted, and compressed air is blown to the bogie frame by a rotating air blow nozzle group having the same structure as the cleaning nozzle group to remove moisture from the bogie frame. The wastewater used for cleaning is received by the cleaning wastewater storage tank connected to the floor of the cleaning room, then guided to the wastewater circulation treatment facility where solids are removed with a net filter and a magnet separator, and a cyclone and bag filter are used. After being purified and heated to a predetermined temperature by a steam for heating, it is sent to a high pressure pump and used again as high pressure washing water. This series of bogie frame cleaning steps can be automatically operated by controlling the cleaning time, bogie frame moving speed, cleaning water pressure temperature, etc. according to a preset program.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

1 is a plan view of an embodiment of the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a flow chart of an embodiment of the present invention.

A scoop-shaped cleaning chamber 2 is provided on the gantry 1, and an opening 3 is provided at one end surface of the cleaning chamber for loading and unloading a bogie frame 4, which is an object to be cleaned, and the opening is opened and closed by a door 3a. To be done. Two rails 5b are laid on the gantry 1, and a carrier 6 composed of a frame and wheels that can move on the rails is a bogie frame 4
Is mounted and is moved horizontally on the rail by a chain 5a connected to a carrier provided along the walls on both sides of the cleaning chamber of the conveyor chain drive unit 5 provided at one end of the gantry to move horizontally for cleaning. It is moved in and out of the chamber 2 through the opening 3. A shutter is used for the door of the opening 3, and the carrier 6 is opened and closed each time it enters and leaves the cleaning chamber, and is closed during cleaning.

For cleaning the upper surface of the bogie frame 4, 3 is installed in the ceiling 2a of the cleaning chamber 2.
An individual upper cleaning rotary nozzle unit 10 is provided. This nozzle unit 10 includes rotating shafts 10a that vertically penetrate the ceiling plate, four arms 10b of the same length that are fixed to the inner ends of the cleaning chambers of the rotating shafts, and extend in a character substantially radially at right angles to the rotating shafts. The nozzle 10c is arranged at the tip of each arm so as to face downward so that the upper surface of the bogie frame 4 can be effectively washed. The distance of the nozzle 10c from the bogie frame, the nozzle diameter, the injection angle, and the injection direction are selected so that the cleaning effect is the best. The three rotating shafts 10a are arranged in a line at right angles to the traveling direction of the carrier 6 and in such a manner that the tips of the arms 10b do not interfere with each other. Also on both side surfaces 2b of the cleaning chamber 2, two side surface cleanings for cleaning both sides of the bogie frame 4 on each side surface 2b in the same manner as the upper cleaning rotary nozzle unit 10 provided on the ceiling portion 2a. Rotating nozzle unit 11
However, they are arranged equidistantly across the cross section including the upper cleaning rotary shaft 10a and at a position where the bogie frame 4 can be effectively cleaned.
Also in the lower part 2c of the cleaning chamber 2, the same structure as the upper cleaning rotary nozzle unit 10 provided on the ceiling part 2a, and three pieces for cleaning the lower surface of the bogie frame 4 in a position facing the upper part, facing upward. The lower surface cleaning rotary nozzle unit 12 is disposed at a position where it does not interfere with the carriage 6. Since the transport vehicle 6 does not have a bottom plate formed of a thin member in the shape of a rectangular frame, the wash water sprayed from the rotary nozzle does not prevent the lower surface of the bogie frame from being washed. A rotation of 60 rpm is imparted to each rotary shaft 10a by a gear motor 10d provided for each rotary shaft at the shaft end opposite to the shaft end provided with the rotary nozzle.
Each cleaning rotary nozzle 10c has 100kg / cm ² to 150k
Cleaning water pressurized to g / cm ² and heated to 40 ° C. to 80 ° C. is supplied from the high-pressure pump 20. An example of a suitable pressure and temperature is 150 kg / cm ² , 70 ° C.

The two local cleaning nozzle units 13 include a rod 13b that moves up and down in an air cylinder 13a vertically fixed to the ceiling 2a, a gear motor 13d provided to rotate the rod 13b, and a rod 13b. It is composed of two nozzles 13c installed horizontally at the lower end of the air cylinder 13a when the bogie frame 4 comes under the nozzle unit 13 and stops.
Lowers the rod 13b to hold the nozzle 13c at a position where the bogie frame 4 can be washed from the inside. The nozzle 13c rotates and sprays high-pressure washing water to wash the inside of the bogie frame 4, and when the washing is completed, it rises and returns to the original position where it does not hinder the movement of the bogie frame.

The rotary nozzle unit for air blow has the same structure as the rotary nozzle units for cleaning 10, 11, 12 and is arranged on the opening side in the cleaning chamber from the position where the rotary nozzle unit group for cleaning is arranged. Upper air-blowing rotary nozzle unit 7, side air-blowing rotary nozzle unit 8 provided on each side, and three lower surface air-blowing rotary nozzle units 9, each of which has a factory compressed air pipe (not shown). ) To supply compressed air of 5 to 7 kg / cm ² to remove water adhering to the bogie frame 4. The rotation axis of each air blow nozzle is 30r.pm by the gear motor.
Is given the rotation of. Two mist collectors 19 are provided on the ceiling of the cleaning room on the opening side to secure a field of view in the cleaning room by a TV (not shown).

The cleaning chamber 2 includes a door 3a of the opening 3 and has a ceiling and a wall having a sound insulating structure.

The sewage circulation treatment facility is a cleaning drainage storage tank T-1 provided on the floor at the end of the cleaning chamber 2, a magnet filter and magnet separator unit 18 for removing solid matters in the sewage, cyclone separators 23, 24, Intermediate tank T-2, T-
3, a bag filter 25, a purified water tank T-4, and a circulation pump 21 for supplying dirty water or cleaning water to these devices. In addition to this, a steam supply pipe for heating the temperature in each tank to a predetermined temperature ( (Not shown), an automatic makeup water valve (not shown) for keeping the water level of each tank constant, and a line pump (not shown) for discharging settling sludge from each tank. The purified water in the purified water tank T-4 is again supplied to the cleaning nozzle group by the high-pressure pump 20.

In addition, a transportation interruption position detection sensor, a shutter opening / closing position sensor, a cleaning water temperature sensor, each tank water level sensor, etc., which are not shown, are provided, and the cleaning process is performed according to the order shown in the flowchart of FIG. Since the control panel 28 for controlling is provided and the cleaning time, the bogie frame moving speed, the cleaning water pressure temperature, etc. are controlled, automatic operation becomes possible. An illumination device (not shown), a television camera, and an oxygen concentration measuring sensor for safety are provided inside the cleaning chamber 2. As the bogie frame transportation means, a transportation means such as a monorail may be used.

The cleaning device of the present invention can be used for cleaning other parts such as a pantograph and a bolster in addition to a bogie frame for a railway vehicle.

Next, the operation of one example of use of the bogie frame cleaning device of the present embodiment will be described with reference to the flowchart of FIG. 3. First, the bogie frame 4 as the object to be cleaned is placed on the carrier 6 outside the cleaning room. . Next, the door 3a of the opening 3 of the cleaning chamber 2 is opened, the conveyor chain drive unit 5 is operated, and the bogie frame 4 is moved to the chain.
The door 3a is closed when the vehicle moves by 5a and enters the cleaning chamber 2, the mist collector 19 is operated next, and the upper and side surfaces are passed while the bogie frame 4 passes through the place where the cleaning nozzle is arranged. The high-pressure hot water is jetted from each nozzle 10c while the lower cleaning nozzle units 10, 11, 12 rotate. Bogie frame 4
Of the conveyor chain is stopped when the nozzle unit 13 for the local cleaning nozzle 13 is located under the position where the nozzle unit 13 for local cleaning is disposed, the nozzle 13 for local cleaning is lowered to a desired position and jets high-pressure hot water, The inner concave portion of the frame 4 is washed, and when the washing is finished, the injection of high-pressure hot water is stopped and the nozzle unit 13 is raised. While the bogie frame 4 is retracting, the bogie frame 4 is compressed by the compressed air jetted from the air blow rotary nozzle units 7, 8 and 9.
Water adhering to is removed. The washed state of the bogie frame 4 is monitored from outside the washing room by TV cameras (not shown) provided on both sides of the washing room. The wastewater used for cleaning is reused as cleaning water purified by the wastewater circulation treatment facility.

〔The invention's effect〕

As described above, the present invention is provided with a rotating nozzle in the cleaning chamber of the sound insulation structure, and the hot water of 80 ° C to 40 ° C pressurized to 10 kg / cm ² to 100 kg / cm ² is strongly applied to the object to be cleaned. Moreover, by spraying uniformly over the entire surface, it is possible to clean the object to be cleaned without using the conventionally required chemical, and the nozzle is not clogged with the chemical, and compared to a fixed nozzle type cleaning device. Number of nozzles from 500 to 10
Since it can be reduced to individual pieces, the labor required for nozzle cleaning can be significantly reduced, and since only hot water is used as the cleaning liquid, the used wastewater can be collected and collected by the wastewater circulation treatment facility.
Since it can be purified and recycled for use, the cost required for the chemical solution can be saved and the load on the wastewater treatment facility at the factory terminal can be reduced. In addition, since the air blow nozzle is also a rotary type, liquid is completely removed from the object to be cleaned, and since these cleaning operations are performed in the closed sound-insulating cleaning room, dirt and noise on the floor are prevented. As a result, the working environment is improved. Further, since the article to be cleaned is loaded on the transporting vehicle and moved, and a series of cleaning steps is automated by the control device, the process time is shortened and labor is saved.

[Brief description of drawings]

FIG. 1 is a plan view of a bogie frame cleaning device for railway vehicles according to the present invention,
FIG. 2 is a side view of the cleaning apparatus of FIG. 1, and FIG. 3 is a flowchart of an embodiment of the present invention. 1 ... Stand, 2 ... Washing room, 2a ... Ceiling, 2b ... Side, 2c ... Lower part, 3 ... Opening, 3a ... Door, 4 ... Bogie frame, 5 ... Conveyor chain drive Part, 5a ... Chain, 5b ... Railway, 6 ... Transport vehicle, 7 ... Rotating nozzle unit for upper air blow, 8 ... Rotary nozzle unit for side air blow, 9 ... Rotary nozzle unit for bottom air blow, 10 ... … Rotating nozzle unit for top cleaning, 10a …… Rotary shaft, 10b …… Arm, 10c …… Nozzle, 10d …… Gear motor, 11 …… Rotary nozzle unit for side cleaning, 12 …… Rotary nozzle unit for bottom cleaning, 13 ...... Local cleaning nozzle unit, 13a …… Air cylinder, 13b …… Rod, 13c …… Nozzle, 13d …… Gear motor, 18 …… Net filter / magnet separator unit, 19 …… Mist collector, 20 …… High pressure pump , twenty one… Circulation pump, 23,24 ... Cyclone separator, 25 ... Bag filter, 28 ... Control panel, T-1 ... Washing drainage storage tank, T-2, T-3 ... Intermediate tank, T-4 ... Water purification tank, T-5 ... Waste water tank.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Doichi Miyata 704 Onda-cho, Midori-ku, Yokohama-shi, Kanagawa Tokyu Corporation (72) Inventor Masaaki Ozaki 704 Onda-cho, Midori-ku, Yokohama-shi, Kanagawa Tokyu Corporation In the company

Claims (4)

[Claims] 1. A bogie frame cleaning device for a railway vehicle, comprising: a closed cleaning room having a sound-insulating ceiling, a wall and a door.
A truck for a carrier on which a bogie frame to be washed is to be mounted, and a conveyor chain which is provided along the both side walls of the washing chamber in the orbital direction of the truck and is connectable to the truck, and in the washing chamber Is equipped with a plurality of cleaning nozzles for injecting high-pressure hot water and air nozzles for injecting compressed air, a cleaning waste water storage tank is installed on the floor of the cleaning room, and a waste water circulation treatment facility connected to the cleaning waste water storage tank is installed outside the cleaning room. A bogie frame cleaning device for a railway vehicle, wherein the equipment includes a sewage treatment separator, a drainage tank, a water purification tank, and a high-pressure pump. 2. A cleaning chamber end of a plurality of rotating shafts, wherein the nozzle is arranged perpendicularly to the upper and lower surfaces and both side surfaces of the moving carriage frame to be cleaned in the cleaning chamber. A group of cleaning nozzles for injecting high-pressure hot water provided at the ends of a plurality of radial arms fixed to the air-blowing nozzle group, an air-blowing nozzle group for ejecting compressed air, and vertically arranged on the ceiling of the cleaning chamber and can be raised and lowered. The bogie frame cleaning device for a railway vehicle according to claim 1, comprising a local cleaning nozzle group provided at a lower end of the rotating shaft of the railcar. 3. A pressure of 150 kg / cm ² to 100 for the high-pressure hot water.
The bogie frame cleaning device for a railway vehicle according to claim 1 or 2, characterized in that fresh water heated to 80 ° C to 40 ° C and having a pressure of kg / cm ² is used. 4. The carrier, on which the carriage frame is placed, is carried into the cleaning chamber, high-pressure hot water is jetted from the washing nozzle into the carriage frame, and compressed air is jetted from the air nozzle. A control device for automatically controlling the steps of carrying out the transport vehicle from the cleaning chamber and cleaning the bogie frame, and circulating and recycling the cleaning wastewater generated during the cleaning step. Claim 1 thru | or 3 which has
The bogie cleaning device for railway vehicles according to any one of 1.