JP3238892B2 - Sandbox cleaning machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called sand cleaner, which is used to remove waste such as dog and cat excreta in sandboxes installed in parks, nurseries, schools, etc., as well as empty cans, plastics and glass fragments. Cleaning dangerous materials such as stones, trash,
The present invention relates to a small-sized sandbox cleaner suitable for cleanly and sanitarily cleaning a sandbox.

[0002]

2. Description of the Related Art At present, bacteria and roundworm contamination caused by filth such as excrement of dogs and cats in sandboxes installed in parks, nursery schools, schools, etc. has become a major social problem in terms of environmental hygiene. When entering the body, a large number of toxocara elegans eggs and pests, which are roundworm eggs of dogs and cats that cause fever, muscle pain, nutritional disorders, and visual impairment, are found in large numbers in sandboxes such as parks, nursery schools, schools,
Moreover, these bacteria, roundworms,
It has been found that the inside of wet sand is about three times more. In addition, there was a problem in the sandbox that there were empty cans, plastic, glass shards, stones, garbage, and other dangerous materials, making it difficult to play with peace of mind. Until now, hazardous materials such as empty cans, plastics, glass shards, stones, and garbage have been removed from the sandbox, and the sand has been taken out of the sandbox and sterilized with a disinfectant solution or a flame method.

[0003]

However, conventionally, even if the sterilization and disinfection of sand is performed by a disinfectant or a flame method, it is necessary to remove empty cans, plastics, glass fragments, stones, trash, and other dangerous substances from the sandbox. Therefore, it is necessary to remove the sand once from the sandbox, so that it takes a long time to clean the sandbox cleanly and sanitarily, and there is a problem that the cost of cleaning the sandbox is extremely high.

[0004] Therefore, an object of the present invention has been made in view of the above-mentioned point of view, and it is possible to clean dirty sand pits cleanly and hygienically in a short time, thereby reducing the cost of sand pit cleaning. Not only can it be significantly reduced,
Efficiently pick up sand, dirt, and hazardous materials in dirty sandboxes, and enable primary sorting of sand and dirt, dangerous materials, etc. It is an object of the present invention to provide a sandbox cleaning machine capable of easily performing a sandbox excavation work, a collection work of dirt and dangerous materials, and a replacement of a shaking basket.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a sandbox cleaning machine according to the present invention is provided with a tire for traveling on the road, and a dirt is provided on the rear side of the tire for traveling on the road. A plurality of mesh-shaped sand scraping plates for picking up sand, dirt, dangerous materials, etc. in a sandbox are provided with tapered rotors arranged at appropriate intervals in the circumferential direction so as to be rotatable and adjustable in height. On the rear side of the rotor, sand, dirt, and dangerous substances scraped up by the taper rotor are shaken off from the sand, and the remaining dirt, hazardous substances, etc. are collected and discarded at other places, and hazardous substances are disposed. A mesh-shaped shaking basket for sorting articles is disposed adjacent to the tapered rotor, and a crank mechanism for changing the rotational motion of the engine into reciprocating motion and vibrating the shaking basket is provided, and a shaking basket on the rear side of the tapered rotor. On both sides of the taper Sand by Ta, dirt, is obtained by placing the auxiliary wheel to adjust freely the height adjustment digging raised depth hazardous materials, and the like.

[0006] In addition, the shaking basket is provided with a return plate for preventing return of dirt and dangerous substances due to vibration, which is slightly inclined backward, at the front end of the bottom plate. It is formed so as to stand up a return portion for automatically separating large and small dangerous goods and the like.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to wastes such as dogs and cats excreta in sandboxes installed in parks, nursery schools, schools, etc., empty cans, plastics, glass fragments, stones, and garbage. The following describes a state in which dangerous materials such as are cleaned and a sandbox is cleaned neatly and hygienically with reference to the drawings.

As shown in FIGS. 1 to 3, the sandbox cleaning machine of the present invention includes a road running tire 1 on an airframe, and a dirty sandbox is provided on the rear side of the road running tire 1. A plurality of net-like sand scraping plates 4 for picking up dirt, dangerous substances, etc. are provided with tapered rotors 5 arranged at appropriate intervals in the circumferential direction so as to be rotatable and height-adjustable. On the rear side, sand, dirt, and hazardous materials that have been shaken off by the tapered rotor 5 to remove sand from the sand, dirt, and other hazardous materials that are collected and discarded elsewhere. A screening mesh cage 6 for selection is arranged adjacent to the tapered rotor 5, and a crank mechanism 9 that vibrates the basket 6 by changing the rotation of the engine 14 into a reciprocating motion is provided. On both sides of the rear basket 6, Sand by par rotor 5, dirt, formed to place freely height-adjustable auxiliary wheels 18 to adjust the depth of the raised digging of hazardous materials and the like. Incidentally, the sand grip blade 3 may be attached to the axle 2 to increase the propulsive force. This allows the machine to travel through the sandbox,
Since the sand can be gripped by the sand grip blade 3, the sand can be surely run in any type of sandbox regardless of the hardness of the sand, and the sand can be softened and softened.

The shaking basket 6 has a return plate 11 at the front end of the bottom plate 10 for preventing return of dirt and dangerous substances due to vibrations and the like, which is slightly inclined backward and stands upright. A return portion 12 for automatically separating the size of dirt and dangerous materials when vibrating is formed so as to be provided upright.

That is, the sandbox cleaner of the present invention is a two-wheeled self-propelled type, in which an engine 14, a transmission 7, a rotor driving device 15, and the like are mounted on the upper side of a vehicle body 13, respectively. The transmission 7 is connected by a belt 16 and the transmission 7 and the rotor drive unit 15 are connected by a chain (not shown). 1 is mounted via an axle 2, and a pair of left and right tapered rotors 5 having substantially the same width as the width of the left and right road running tires 1 is provided on the rear side of the road running tire 1 of the axle 2. The rotor driving device 1
5 is disposed so as to be rotatable via a movable arm 17 and freely adjustable in height via a movable arm 17. On the rear side of the tapered rotor 5, the swinging cage 6 is provided with a transmission 7 and a pair of left and right basket hanging rods 8.
Are arranged so as to be able to vibrate freely via a crank mechanism 9.

A pair of left and right auxiliary wheels 18 are arranged on both sides of the shaking cage 6 on the rear side of the tapered rotor 5 at the rear of the upper hood 19 via supporting legs 20 so as to be adjustable in height. On the upper side of the tapered rotor 5 and the shaking cage 6, sand sanded up by the tapered rotor 5,
A transparent sand guide cover 21 for smoothly guiding dirt, dangerous materials, and the like into the shaking basket 6 is provided near the front end, the middle, and the rear end with the support rod 22, the hood 19, and the support plate 23, respectively. At the lower rear end of the sand guide cover 21, a rubber rake 24 such as a rake for leveling the sand after cleaning the sandbox is provided. A chemical tank 26 having an appropriate number of chemical spray nozzles 25 is mounted on the side, so that cleaning of a sandbox and sterilization can be partially performed.

Further, the crank mechanism 9 includes a rotating shaft 28 that rotates on the transmission 7 via a belt 27 at the rear side of the medicine tank 26, and an eccentric shaft 29 that is supported on both ends of the rotating shaft 28, respectively. A pair of left and right crank rods 30 respectively linked to the respective eccentric shafts 29;
And a support rod 31 in which the basket hanging rods 8 are linked to each other.

The rotation of the engine 14 is controlled by the belt 16
The transmission is transmitted to the transmission 7 to reduce the speed. Subsequently, the rotor driving device 15 is driven by the chain to rotate the tapered rotor 5, and at the same time, the rotation shaft 28 of the crank mechanism 9 rotates via the belt 27, Along with this, the left and right crank rods 30 are moved in the front-rear direction via the eccentric shaft 29, whereby the swinging basket 6 is configured to vibrate in the front-rear direction via the support rods 31 and the respective basket suspension rods 8. I have.

[0014]

As described above, the sandbox cleaning machine of the present invention is provided with the road running tire 1 on the fuselage, and on the rear side of the road running tire 1, dirty sandpit sand, dirt, A plurality of mesh-shaped sand scraping plates 4 for picking up dangerous materials and the like are provided with tapered rotors 5 arranged at appropriate intervals in the circumferential direction so as to be rotatable and adjustable in height. Is the sand, filth, scraped up by the tapered rotor 5,
Dispose of filth remaining after shaking sand from hazardous materials, garbage that collects and discards harmful materials, etc., and net-shaped shaking basket 6 for hazardous material selection, adjacent to tapered rotor 5 And, a crank mechanism for changing the rotational movement of the engine 14 into a reciprocating movement to vibrate the shaking cage is provided. On both sides of the shaking basket 6 on the rear side of the tapered rotor 5, sand, dirt, The auxiliary wheels 18 for adjusting the depth of excavation of dangerous materials are arranged so that the height can be adjusted. Therefore, when the sandbox is cleaned, the tapered rotor 5 is rotated while running the road running tire 1 of the machine. As a result, at the same time, the swinging basket 6 vibrates sequentially through the transmission 7, the crank mechanism 9, and the basket hanging rod 8, and in this state, the sand, dirt, dangerous substances, etc. in the dirty sandbox are scraped up and shaken. 6 Entered, in this wield basket inside 6, sand,
Sand that has been shaken off from filth, dangerous goods, etc.
Dangerous materials accumulate, and it is only necessary to dispose of this filth, hazardous materials, etc. elsewhere.Because the sand in the sandbox is dug up from the inside and agitated, the sand on the inside comes to the top ,
Together with the ability to be naturally sterilized by ultraviolet rays, dirty sandboxes can be cleaned cleanly and hygienically in a short time, and the cost of sandbox cleaning can be significantly reduced.
In addition, the present invention does not use a belt conveyor system for transporting sand, dirt, dangerous materials, and the like, so that the airframe can be formed in a small size and can be conveniently applied to large and small sandboxes.

Further, each of the sand scraping plates 4 is attached to the tapered rotor 5.
Are disposed at appropriate intervals in the circumferential direction, so that each sand scraping plate 4 can be rotated while being cut into the sandbox, so that sand, dirt, dangerous substances, etc. in the dirty sandbox can be efficiently scraped up. And a part of the sand is removed from each of the scraper plates 4 by forming the scraper plates 4 of the tapered rotor 5 into a net shape.
In addition to being able to perform primary sorting of sand and dirt, hazardous materials, etc., the taper rotor 5 can be adjusted in height, so that the taper rotor 5 can be fixed at the upper part. As a result, ordinary road driving is also possible.

At the rear side of the tapered rotor 5, the sand, dirt, dangerous substances, etc., which have been scraped up by the tapered rotor 5, are shaken down to collect remaining dirt, dangerous substances, etc. A net-shaped shaking basket 6 for sorting waste and hazardous materials to be discarded at a place is arranged between the transmission 7 and the basket hanging rod 8 via a crank mechanism 9 so as to be able to vibrate freely. Since the rotation of the device 7 is transmitted as it is by the crank mechanism 9 and the vibration can be given to the shaking cage 6, the power transmission system can be significantly simplified, and the failure can be minimized. . Further, since the dirt and dangerous substances accumulated in the shaking basket 6 can be discarded to another place, the collection work of the dirt and dangerous substances can be easily performed, and the mesh can be adjusted according to the sandy condition of the sandbox. It can also be easily exchanged for another shaking basket with a different basket.

Furthermore, since the auxiliary wheels 18 are arranged on both sides of the shaking cage 6 on the rear side of the tapered rotor 5 so that the height can be adjusted, sand, dirt, dangerous substances, etc. are excavated by the tapered rotor 5 when cleaning the sandbox. Since the depth of the sand can be adjusted arbitrarily, excavation work of the sandbox is easy.

Further, the swinging basket 6 is provided with a return plate 11 for preventing return of dirt and dangerous substances due to vibrations or the like at a front end of the bottom plate 10 with a slight inclination, and a vibration plate is provided at an intermediate portion. Sometimes, the return part 12 that automatically separates the size of filth, dangerous materials, etc. is formed upright.
When sand, dirt, dangerous substances, etc. are put in and vibrated, even if the sand is shaken off the mesh and the remaining dirt, dangerous substances, etc. move to the front side, the return plate 11 causes the dirt, dangerous substances, etc. In addition, when the swinging basket 6 vibrates, large wastes, dangerous substances, etc. accumulate on the rear side of the return part 12 due to weight, and small wastes, dangerous substances And so on, so that the size of waste, dangerous goods, etc. can be automatically separated.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing an embodiment of a sandbox cleaning machine of the present invention.

FIG. 2 is a schematic front view of a tire and a blade portion of FIG.

FIG. 3 is a schematic front view of the tapered rotor of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Road running tire 2 Axle 3 Sand grip blade 4 Sanding plate 5 Taper rotor 6 Shaking cage 7 Transmission 8 Car hanging bar 9 Crank mechanism 10 Bottom plate 11 Return plate 12 Return portion 13 Body 14 Engine 15 Rotor drive device 16 Belt 17 Movable arm 18 Auxiliary wheel 19 Hood 20 Support leg 21 Sand guide cover 22 Support rod 23 Support plate 24 Rubber drip 25 Drug spray nozzle 26 Drug tank 27 Belt 28 Rotation axis 29 Eccentric axis 30 Crank rod 31 Support rod

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E01H 12/00 B60B 15/00

Claims (2)

(57) [Claims] An airframe is provided with a tire for running on the road, and a plurality of mesh-like sand scraping plates for scraping sand, dirt, dangerous materials, etc. in a dirty sandbox are provided behind the tire for running on the road. Tapered rotors arranged at appropriate intervals in the circumferential direction are rotatably and freely adjustable in height. Behind the tapered rotor, there are sand, dirt, dangerous materials, etc. scraped up by the tapered rotor. Dirty waste remaining after shaking off sand, filth to collect hazardous materials, etc. and discard it elsewhere, mesh-shaped shaking basket for hazardous material selection, placed adjacent to the tapered rotor,
A crank mechanism that vibrates the shaking cage by changing the rotational motion of the engine into a reciprocating motion is provided, and on both sides of the shaking cage on the rear side of the tapered rotor, sand, dirt, dangerous substances, etc. are dug out by the tapered rotor. A sandbox cleaning machine characterized in that auxiliary wheels for adjusting the depth of the sand are arranged so that the height can be adjusted. The shaking basket is provided with a return plate at the front end of the bottom plate for preventing return of dirt and dangerous substances due to vibrations, etc., which is slightly inclined backward, and has a dirt, 2. The sandbox cleaning machine according to claim 1, wherein a return portion for automatically separating large and small dangerous substances is provided.