JPH0623483Y2 - Cleaning water supply / discharge device for water tank in cleaning device of crawler type vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a cleaning device for cleaning the underbody of a crawler type vehicle, for supplying and discharging cleaning water to and from a water tank of the cleaning device.

Crawler type vehicles such as backhoes and bulldozers are used at civil engineering sites, so
A lot of mud adheres to the crawler that is the running wheel. The mud that adheres to the crawlers has almost no effect on the running and work of the crawler type vehicle, and is therefore usually left in the adhered state before use.

By the way, with the spread of the rental business, the crawler type vehicle is also used as a rental machine. Then, the crawler type vehicle rented out as the rental machine is returned to the rental company in the used state in which the mud adheres to the crawler for the reason described above. For this reason, the rental company performs the work of cleaning the mud adhered around the feet in a clean state at the time of re-rental, but since it is left in the adhered state, the rental company is stuck firmly. Washing mud is not easy,
Workers hold gun-type high-pressure nozzles by hand and spray cleaning water, which is done in the form of a normal vehicle inspection, but by loosening the mud that is sticking hard It is a troublesome work that takes over an hour. Moreover, the washing water sprayed from the high-pressure nozzle hits the vehicle body and splashes around the vehicle, causing the worker with the high-pressure nozzle to bathe in water. Has become the most disliked work of. Therefore, there is a demand for a cleaning device that can easily and efficiently wash off mud attached to the feet of the crawler type vehicle.

To wash off the mud that has adhered to the feet of the crawler type vehicle, wash the crawler type vehicle into the water tank so that the feet of the crawler type are soaked in water. If the mud that has bound is loosened with water and then high-pressure water is sprayed on it, the cleaning work can be completed in an extremely short time even if it is immersed in water, and the crawler can be used. To put the model vehicle into the water tank, a crawler-type vehicle is opened and closed in a watertight manner on the machine wall of a box-shaped machine that serves as a water tank. If a crawler-type vehicle can be opened and closed, and the crawler-type vehicle is placed in an aquarium, and the gate is closed to allow water to enter, it is safe for the crawler-type vehicle to be immersed in the water in the aquarium. I know that you can It came.

However, in this case, it is necessary to carry out the work of pouring water into the body of the water tank and the drainage work for each cleaning work of one vehicle, which causes a problem that it takes time.

The present invention has been made to solve this problem, and an entrance / exit for allowing a crawler-type vehicle to enter / exit is opened in a part of the machine wall around four laps, and a gate that is watertightly closed is provided there. It is an object of the present invention to provide a new means for quickly filling and draining cleaning water into and from a tank for cleaning the underbody of a crawler type vehicle equipped with the cleaning tank in a short time. .

Further, in the present invention, as a means for achieving this object, a crawler type vehicle is formed in a box shape whose upper surface side is open so as to accommodate at least the lower half sides of the left and right crawlers thereof. , A water tank that is equipped with a watertight gate that opens and closes a watertight gate that opens and closes a crawler-type vehicle on a part of the machine wall around the four laps. A reserve tank which is set to have a capacity capable of receiving the airtightness is arranged side by side, and an air supply pipe for supplying pressurized air to the reserve tank is connected to the reserve tank, and the reserve tank is provided at the bottom of the water tank. The present invention provides a device for supplying / discharging cleaning water to / from a water tank in a cleaning device for a crawler type vehicle, which is characterized in that it communicates with a window-like communication port having an opening / closing valve.

Next, embodiments will be described in detail with reference to the drawings.

FIG. 1 is a vertical sectional side view of an underbody cleaning device A for a crawler type vehicle which implements the means of the present invention, and FIG. 2 is a vertical sectional front view of the same. In FIG. 1, 1 is a water tank, and 2 is a water tank 1. Footboards that can be installed on both left and right inner parts, 3 are supports provided at the left and right central parts, 4 is a crawler type vehicle, G is an entrance and exit provided on the machine wall of the water tank 1, and a is a gate.

As shown in FIGS. 2 and 5, the water tank 1 has an opening 10 on the upper surface side, which is large enough to receive a normal crawler type vehicle 4 to be cleaned, and the opening With the cross section of the shape of the plan view 10 of FIG. 10, at least the left and right crawlers 40 of the crawler type vehicle 4
It is formed in a box shape continuous in the depth direction so as to accommodate the lower half side of the vehicle body frame 4a including. And the aquarium 1 is
The left and right crawlers 40, 40 of the crawler-type vehicle 4 can freely travel at both left and right end portions at a depth position where the lower half of the vehicle body frame 4a including the left and right crawlers 40, 40 can be accommodated. The treads 2.2 that are supported by
The crawler-type vehicle 4 is formed in the shape of a drain and is placed on a shelf, and the left and right intermediate portions are below the body frame 4a of the crawler-type vehicle 4 in which the left and right crawlers 40, 40 are mounted on the upper surfaces of the left and right treads 2, 2. Supported by the crawler 40 on either side of it.
A support base 3 that pushes up the vehicle body frame 4a so that 40 occupies a height position where it floats from the upper surface of the treads 2 is provided by a hydraulic cylinder device 30 so as to be able to move up and down. The support base 3 is arranged so as to be positioned slightly below the bottom surface of the vehicle body frame 4a of the crawler type vehicle 4 traveling on the treads 2 and fixed to the water tank 1. , In some cases, the treads 2, 2 may be vertically supported.

In addition, the water tank 1 has an entrance / exit for allowing the crawler-type vehicle 4 to enter / exit a part of the machine wall on the front side out of the machine walls of the four laps above the height position of the treads 2 and 2. As shown in FIG. 2, the opening G is provided at the entrance / exit G of the support shaft 1 provided in the water tank 1 and arranged at the height position of the treads 2 and 2.
1 is provided with a door-shaped gate a which is opened and rotated forward toward the center, and when the gate a is closed and rotated into the state shown in FIG. 1, the front surface of the water tank 1 It is formed to be a water gate that closes the opening on the side in a watertight manner. The gate a may be configured to open and close the entrance G by sliding left and right or up and down.

Reference numerals 12 and 12 denote hydraulic cylinder devices for opening and closing the gate a. The base ends of the hydraulic cylinder devices are connected to and supported by brackets 13 and 13 provided on the outer surfaces of the left and right machine walls of the water tank 1, respectively. The tip end side of 120 is connected to the operating arms b and b provided at the lower end of the gate a.

T is a reserve tank for storing water to be filled in the water tank 1 whose inner cavity is formed in a watertight manner by closing and rotating the above-mentioned gate a. Below the water tank 1, a support base for the water tank 1 is provided. The water tank 1 is integrally formed so as to be continuous. The ceiling wall of the tank shares the bottom wall 14 of the water tank 1 (Fig. 3), and communicates with the inside of the water tank 1 through a large-diameter communication port c formed in the bottom wall 14 in the shape of a window. In addition, an opening / closing valve d is provided at the communication port c so as to be openable and closable. Further, an air supply pipe f communicating with a cylinder e for storing pressurized air is connected to the reserve tank T via a valve g capable of controlling opening / closing.

The reserve tank T for storing water is for storing the water in advance when the crawler type vehicle 4 is put into the water tank 1 from the entrance G and the gate a is closed and water is poured into the water tank 1. And a tank for accommodating water to be discharged from the water tank 1 in advance when the gate a is opened from a water-filled state, if the capacity corresponds to the amount of water to be poured into the water tank 1. Is enough. This reserve tank T
In the example shown in the figure, the crawler-type vehicle 4 is formed integrally and continuously below the water tank 1 so as to serve as the base of the water tank 1, but the water tank is set to the above-mentioned capacity. It may be arranged on both left and right sides of the water tank 1, or may be formed separately from the water tank 1 and arranged in parallel with the water tank 1. Further, the capacity of the reserve tank T does not have to be set so as to completely accommodate the entire amount of water filled in the water tank 1, and when the water tank 1 opens the gate a, When water is left below the level of the rim of the entrance G that is opened by
This remaining amount of water may be excluded. That is, when the gate a is opened, the water stretched in the space in the water tank 1 located above the treads 2.2 that are in a state of communicating with the outside through the entrance G that opens to the front side of the water tank 1 is stored. I hope
Even if the gate a is opened, water below the level of the treads 2.2 that is not discharged to the outside may be left in the water tank 1.

In addition, the air supply pipe f communicating with the reserve tank T is rotated by closing the gate a so that the reserve tank T is stored in the water tank 1.
It is for supplying pressurized air to the reserve tank T in order to rapidly and rapidly send the water previously accumulated therein. Here, the pressurized air sent into the reserve tank T is from the upper surface of the treads 2.2 aligned with the lower edge of the inlet / outlet opened by the opening rotation of the gate a on the front surface side of the water tank 1 to the opening opening 10 on the upper surface side of the water tank 1. Height H ₁ (Fig. 3) up to 50 cm, water tank 1
A reserve tank T continuously provided at the lower part of the water tank 1 has a height H ₂ from the water level L when the entire amount of water above the treads 2.2 in the water tank 1 is received to the bottom surface of the reserve tank T.
Is 50 cm and the height H ₃ from the water level L to the upper surface of the treads 2 and 2 is 30 cm, the entire amount of water to the bottom surface in the reserve tank T is rim of the opening 10 on the upper surface side of the water tank 1. Even if it is raised to 1, the amount of lifting on the water surface is 1.3 m, and the pressure to pressurize is 0.13 kg / cm ² . Therefore, in order to fill the reserve tank T with air of this pressure, a small cylinder e storing a few kg / cm ² of pressurized air should be connected to the air supply pipe f via the valve g. With the communication port c provided in the bottom wall 14 of the water tank 1 opened, the pressurized air stored in the cylinder e is supplied from the air supply pipe f to the reserve tank T.
By sending it inside, the reserve tank T can be almost instantly
The water inside can be pushed upward from the upper surfaces of the treads 2 and 2 in the water tank 1.

h is a compressor that generates compressed air to be stored in the cylinder f, M ₁ is a motor that drives the compressor, and water tank 1
It is mounted on a deck plate 15 on the upper surface of the machine section 1a mounted on the rear end side.

P ₁ is for supplying pressure oil to the hydraulic cylinder device 12 that opens and closes the gate a, the hydraulic cylinder device 30 that raises and lowers the support base 3, and the hydraulic cylinder device 16 that opens and closes the slide valve d. The hydraulic pump M ₂ is a motor for driving the hydraulic pump P ₁ , and is supported on the upper surface of the deck plate 15 described above.

Denoted at 5 are cleaning nozzles for spraying high-pressure cleaning water onto the crawlers 40, 40 of the crawler-type vehicle 4, which have been mounted on the upper surfaces of the treads 2, 2 of the water tank 1, at the left and right positions of the opening on the upper surface side of the water tank 1. They are arranged in rows, and their respective lower ends are connected to water supply pipes 50, 50 that can be laid along both the left and right sides of the opening 10 on the upper surface side of the water tank 1 along the front-rear direction. . The water supply pipes 50, 50 communicate with the water discharge port of the pump P ₂ installed on the upper surface of the deck plate 15 described above, and the pump P ₂ is driven by the motor M ₃ to wash the wash water. Supply to the nozzle 5 ... The cleaning water is pumped to the supernatant of the cleaning water in the water tank 1 by pump P ₂
However, since the cleaning water in the water tank 1 is gradually discharged together with the mud by the soil discharging conveyor 6 described later, the amount of water corresponding to the discharged water is replenished. In addition, new wash water such as tap water may be supplied to the pumping port of the pump P ₂ .

Reference numeral 6 denotes an earth discharging conveyor for scraping out the mud, which is washed off from the crawlers 40 of the crawler type vehicle 4 and settles to the bottom of the water tank 1 to the outside of the water tank 1, and the bottom walls 14 and 14 of which are as shown in FIG. From the troughs at the bottom of the water tank 1 formed in a funnel shape by inclining downward from both left and right sides toward the center,
The machine part 1a is stretched to reach the upper part on the rear end side of the water tank 1 through the inside of the earth discharging pipe 60 provided so as to obliquely penetrate the inside of the machine part 1a formed on the rear end side. Driven by a drive motor incorporated inside, the aforementioned inclined bottom wall 14,
The mud that is guided by 14 and collected at the valley bottom portion in the water tank 1 is carried out in order and discharged to the outside from the discharge port 61 provided at the outer end portion of the discharge pipe 60.

The embodiment apparatus configured as described above operates as follows.

When cleaning the underbody of the crawler type vehicle 4, the gate a provided on the front side of the water tank 1 is opened and rotated as shown in FIG. Open the doorway provided at the crawler-type vehicle 4
Crawler 40 ・ 40, and get in by running. At this time, the water tank 1 reaches the level of the lower edge of the open doorway,
When it is embedded in the ground in a semi-underground type, the gate a is in a posture along the ground surface, or left or right slid. Further, as shown in the figure, when the water tank 1 is placed on the reserve tank T, the gate a which is opened and rotated is opened.
Is used as a climbing bridge that bridges between the ground surface GL and the treads 2, 2 that are installed in the water tank 1.

Next, when this state is reached, the gate a is closed and rotated to make the entrance and exit watertight and keep the water tank 1 watertight. Then, the support base 3 is attached to the hydraulic cylinder device 30.
To raise the vehicle body frame 4a of the crawler type vehicle 4 or lower the left and right treads 2, 2 so that the vehicle body frame 4a is supported by the support base 3. The raising operation of the support base 3 or the lowering operation of the treads 2 and 2 causes the left and right crawlers 4 of the crawler-type vehicle 4 to operate.
The 0.40 is for allowing the treading surface of the 0.40 to float above the upper surface of the treads 2 and 2, so that idle rotation is performed in a state of floating in the air, and a slight stroke is sufficient.

Further, when the gate a on the front side of the water tank 1 is closed in a watertight manner and the inside of the water tank 1 is kept watertight,
Pressurized air is fed into the reserve tank T. As a result, the cleaning water in the reserve tank T can be transferred to the bottom wall 14 of the water tank 1.
The water is pushed up into the water tank 1 through the communication port c opened in the water tank 1, the washing water is filled up to a predetermined water level in the water tank 1, and the crawler type vehicle 4 that has entered the water tank 1 is
Most of the left and right crawlers 40, 40 and the lower half side of the vehicle body frame 4a are in a state of being immersed in the wash water filled in the water tank 1.

In this state, the slide valve d is operated to close the communication port c, and the left and right crawlers 4 of the crawler type vehicle 4 are closed.
Spin 0.40 idle. As a result, the crawler 40
40 rotates so as to pass through the wash water, and the mud that has been firmly stuck to it is loosened by the water and peeled off, so that most of the mud will fall after about 10 minutes. At this time, the cleaning nozzles 5 arranged side by side on the left and right sides of the water tank 1 ...
Is operated to spray high-pressure cleaning water onto the exposed parts of the cleaning water in the water tank 1 of the crawler 40, 40 that is rotating idly. This allows the crawler 40
Most of the mud that had adhered to the surface was washed off by spraying high-pressure water for a short time.

At the end of this cleaning process, the slide valve d is opened, and at the same time, if the pressurized air in the reserve tank T is released to the outside air, the communication port c through which the cleaning water in the water tank 1 is largely released. Through the reserve tank T,
In the water tank 1, the space above the treads 2.2 becomes empty.

Therefore, the idle operation of the crawler type vehicle 4 is stopped, the gate a is opened and rotated, and at the same time, the support base 3 is lowered or the treads 2.2.
To raise the crawler-type vehicle 4 to a state in which the tread surfaces of the left and right crawlers 40, 40 are supported on the upper surfaces of the treads 2, 2, and then the crawler-type vehicle 4 is driven to travel to the water tank 1 If you move it to the outside of the floor, the work of cleaning the legs is completed.

As described above, the cleaning water supply / discharge device for the aquarium in the crawler type vehicle cleaning device according to the present invention includes the crawler type vehicle 4 at least on the left and right crawlers 40 thereof.
A box-like shape whose upper surface is opened so that the lower half of 40 can be housed in a state of being enclosed, and an entrance / exit G that allows the crawler-type vehicle 4 to enter / exit is opened in a part of the machine wall of four laps. A water tank 1 having a watertightly closed gate a that can be opened and closed at its inlet / outlet G is provided with a reserve tank T which is kept airtight and is set to have a capacity capable of receiving cleaning water to be poured into the water tank 1. Then, an air supply pipe f for supplying pressurized air to the reserve tank T is connected to the reserve tank T, and the reserve tank T is connected to a window hole-like communication port c having an opening / closing valve d provided at the bottom of the water tank 1. Since it is configured to communicate with each other, the crawler-type vehicle's foot has an entrance and exit that allows the crawler-type vehicle to enter and exit in a part of the machine wall around four laps, and has a gate that is watertightly closed there. For a tank for cleaning the surroundings Purified water Stakeout and its emissions, quickly becomes performed so in a short time.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of a cleaning water supply / discharge device for a water tank in a crawler type vehicle cleaning apparatus embodying the present invention, and FIG. 2 is a vertical sectional side view of the same with the gate opened.
FIG. 4 is a vertical sectional front view of the same as above, FIG. 4 is a vertical sectional side view of the same as that in which washing water is pushed up, and FIG. Description of reference numerals A ...... cleaning device, L ...... level T ...... reserve tank, GL ...... ground surface _{H 1 · H 2 · H 3} ...... height _{M 1 · M 2 · M 3} ...... motor P ₁ ...... Hydraulic pump, P ₂ ...... Pump a ...... Gate, b ...... Operating arm c ...... Communication port, d ...... Open / close valve e ...... Cylinder, f ...... Air supply pipe g ...... Valve, h ...... Compressor 1 ... Water tank, 1a ... Machine part 10 ... Opening port, 11 ... Spindle 12 ... Hydraulic cylinder device 120 ... Rod, 13 ... Bracket 14 ... Bottom wall, 15 ... Deck plate 16 ... ... hydraulic cylinder device, 2 ... tread plate 3 ... support base, 30 ... hydraulic cylinder device 4 ... crawler type vehicle, 4a ... body frame 40 ... crawler, 5 ... cleaning nozzle 50 ... water supply pipe, 6 …… Ejecting conveyor 60 …… Ejecting pipe, 61 …… Exhaust port G… … Doorway

Claims (1)

[Scope of utility model registration request] 1. A part of a four-round machine wall formed into a box shape having an open upper surface so that the crawler type vehicle 4 can be housed so as to enclose at least the lower half sides of the crawlers 40 on the left and right sides thereof. A gate a, which is watertightly closed at an entrance G for allowing the crawler type vehicle 4 to enter and exit
A storage tank T, which is openably and closably installed, is provided with a reserve tank T which is kept airtight and is set to have a capacity capable of receiving cleaning water to be poured into the water tank 1, and the reserve tank T is supplied with pressurized air. A crawler-type vehicle characterized in that the air supply pipe f to be supplied is communicated with the reserve tank T thereof is communicated with a window-like communication port c having an opening / closing valve d provided at the bottom of the water tank 1. A device for supplying and discharging cleaning water to and from the water tank of the cleaning device.