JP3016018B1 - Land mine disposal device and method - Google Patents

Abstract

Abstract: [PROBLEMS] Work can be carried out systematically, including preparation work such as removal of vegetation and landslides, and safe and reliable processing of anti-personnel land mines in distinction from anti-tank land mines and unexploded ordnance. The improvement work on the farmland after the treatment can be performed efficiently. SOLUTION: A rotary cutter 9 with a rake 26 and a skeleton bucket are interchangeably attached to the tip of an undulating and bendable arm 2 of a heavy equipment vehicle 1 used in a shovel machine such as a backhoe as an attachment. Using a device with 17 attached to the side of arm 2,
Rotary cutter 9 removes vegetation, skeleton bucket removes sediment, and sensor unit 17 distinguishes between anti-personnel mines and anti-tank mines / unexploded bombs. It is exposed by a rake or skeleton bucket, transported and processed, and in the case of an antipersonnel mine, it is destroyed by the high-speed rotation of the rotary cutter 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a land mine disposal apparatus and a land mine disposal method which can efficiently treat land mines, and also consider securing of farmland by improving farm land after land mine disposal.

[0002]

2. Description of the Related Art Among land mines, the processing of anti-personnel land mines has conventionally been all performed manually. Specifically, they first detect one by one using a mine detector, often similar to a metal detector fixed to a long rod. Once detected, water the water and soften the soil, then check the mine situation. After removing the soil with a brush or the like, the mines can be seen, and then explosives are used to induce the explosion.

[0003] As described above, the conventional land mine disposal requires a lot of time and effort since the disposal is carried out one by one depending on the experience and can of a person having specialized skills. Not even.

Accordingly, Japanese Patent Laid-Open No. 7-71898 discloses that tracked vehicles, especially bulldozers, can be used for sweeping mine efficiently without being exposed to the dangers associated with mine sweeping. There is an endless tracked vehicle.

It comprises a front structure which is pivotally fixed to a hydraulically or pneumatically operated cylinder piston unit and possibly to a tracked vehicle. A box which is operatively connected to the tracked vehicle via a frame and which is at least partially open at the front and at the rear in the direction of travel, which box is essentially provided therein with respect to the direction of travel; It has a milling drum, which is also provided in the transverse direction, in particular driven by hydraulic pressure, which rotates in the direction opposite to the vehicle running direction and sends the mine forward of the milling drum, where the pressure load It is said that landmines will be blown under the.

As another mine disposal machine, as disclosed in Japanese Patent Application Laid-Open No. 8-320199, as a device provided at the tip of an undulating and refractible arm of a heavy equipment vehicle used with a shovel or the like, a super alloy with a horizontal rotary drive shaft is used. A number of Karazao-type hammer bodies have also been proposed, and when they are brought close to the ground and the rotary drive shaft is driven to rotate, the hammer strikes the ground. And even if the mine is buried, the hammer body also crushes the mine, and the mine that is crushed by the hammer body from the exterior of the case or the like does not explode greatly but is broken into pieces and destroyed.

[0007]

However, anti-personnel mines, which are small plastic mines, are washed away by rain in the rainy season, and are often buried in floating paddy fields as floating mines, making them often difficult to detect. . Also, if the standing time is long, it may be covered with vegetation such as shrubs, reeds, grass, etc., and it may be buried with collapsed soil such as earth walls, earthworks, embankments, etc. Preparation work for preparing the work environment is required, but no consideration has been given to such preparation work in the past.

Further, not only the anti-personnel mines are buried, but also anti-tank mines, unexploded ordnance, etc. If these are processed in the same manner as anti-personnel mines, it may lead to a serious accident. An anti-tank mine with a large blasting power may damage the vehicle body and the like.

[0009] Further, the improvement of the land mine disposal area to the farm land requires the use of different agricultural equipment, which is troublesome.

[0010] An object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to carry out systematic work including preparation work such as work for removing vegetation and landslides.
It is an object of the present invention to provide a land mine disposal apparatus and method which can safely and reliably treat antipersonnel land mines in distinction from the treatment of unexploded ordnance, etc., and can efficiently carry out improvement work on farmland after treatment.

[0011]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a mine disposal and farmland improvement device comprising a first device.
At the tip of the undulating and refractible arm of a heavy- duty vehicle used for excavators such as backhoes ,
The spirals are arranged in a spiral with the spiral direction aligned with the rotation direction.
A rotary cutter is provided, and the rotary cutter and the skeleton bucket are exchangeably mounted as attachments, and the sensor is mounted on the side of the arm. Second, the rotary cutter has a rake. Third, at the tip of the arm, there is provided an attachment attachment / detachment device incorporating a slide mechanism for changing the holding interval of the pin on the attachment side at the end of the link mechanism, and a rotary cutter or a skeleton bucket is attached via the attachment / detachment device. Fourth, the gist of the present invention is to attach a sensor unit as a land mine detector to the side of the tip of the arm.

In addition, as a method for land mine disposal and farmland improvement, a rotary cutter with a rake and a skeleton bucket are exchangeably mounted on the tip of an up-and-down and bendable arm of a heavy equipment vehicle used in a shovel machine such as a backhoe.
In addition, as a preparatory work using a device with the sensor unit attached to the side of the arm, vegetation such as shrubs, reeds, grass, etc. was removed with a rotary cutter, and collapsed soil such as earth walls, earthworks, embankments, etc. were removed with a skeleton bucket. The anti-tank mine and unexploded ordnance are distinguished by the sensor unit.In the case of anti-tank mine and unexploded ordnance, the mine is exposed with the rake or skeleton bucket of the rotary cutter. In the case of anti-personnel land mines, the main point is that the rotary cutter is destroyed by high-speed rotation of the rotary cutter, and that the cutter bit of the rotary cutter is replaced to perform farming with the rotary cutter after the land mining operation.

According to the first aspect of the present invention, trees, shrubs and reeds, which hinder the detection operation by attaching a rotary cutter as an attachment, are cut and chipped.
Can be weeded. In addition, by attaching the skeleton bucket, it is possible to remove collapsed soil such as earth walls, earthworks, embankments, etc., which are obstacles to the detection work and the processing work, to near the original ground.

As described above, the preparatory work is performed, and the sensor unit detects land mines. At this time, anti-personnel mines and anti-tank mines are detected.
Anti-tank mines and unexploded ordnance are to be dug out with skeleton buckets to distinguish them from unexploded ordnance. In the case of antipersonnel mines, the rotary cutter mower rotates at a high speed and is destroyed without exploding, and debris is released to the ground.

[0015] Further, the agricultural land improvement processing work after land mine processing can be performed using a rotary cutter.

In particular, since the spiral is formed in the arrangement of the cutter bits, a screw effect is exhibited during cutting, and the bush and the like do not become entangled. Also, when the rotary cutter is used by being reversed (reverse), A lateral earth discharging action is obtained.

According to the second aspect of the present invention, in addition to the above operation, when a tree or the like that has been cut by the rotary cutter in the preparatory work and falls on the ground interferes with the subsequent detection work, a rake is used. This can be scraped and removed. Furthermore, it can be applied to reclamation work where the soil is agitated to become cultivated land.

According to the present invention, the attachment can be exchanged quickly and easily.

According to the fourth aspect of the present invention, by attaching a sensor unit as a mine detector laterally at the tip of the arm, the sensor unit can be freely moved via the arm.
In addition, the work with the rotary cutter that performs land mine disposal can be performed closely, and efficient operations from land mine detection to disposal can be performed.

According to the fifth aspect of the present invention, the operation is substantially the same as that of the above-mentioned operation, but the detection / confirmation / display of underground objects such as treatment and removal of various vegetation on the ground, land mines, and land mines which hinder the operation. Can be efficiently processed and removed as a system.

According to the sixth aspect of the present invention, in addition to the operation of the sixth aspect, the agricultural land improvement processing operation after land mine disposal can be performed using a rotary cutter only by replacing the cutter bit. There is no need to use agricultural machinery.

[0022]

Embodiments of the present invention will be described below in detail with reference to the drawings. First, the system outline of the land mine disposal device and the land mine disposal method of the present invention will be described with reference to FIG. 12, which is composed of a combination of a land mine disposal system and a farmland improvement system. Vehicle mine (and unexploded ordnance) processing system. The target is wasteland, anti-personnel minefields, and anti-tank fields.

As shown in FIGS. 1 and 2, a heavy equipment vehicle (base machine) 1 used with a shovel such as a backhoe is used as the mine disposal device of the present invention. A bendable arm 2 is provided. Reference numeral 3 denotes a driver's seat (cabin), and reference numeral 4 denotes a crawler belt for traveling.
A wheel type having wheels 25 may be used instead of the crawler belt shown in FIG. Crawler belt 4 exerts its power on steep slopes and the like, but in the case of wheel type, front (rear) advancement on flat ground increases.

The undulating and bendingable arm 2 is a boom 2
a, an arm 2b, a boom cylinder 2c, an arm cylinder 2d, and a bucket cylinder 2e. The tip of the link mechanism 5a is provided with a screw handle type slide mechanism 5b that makes the holding interval of the pin 6 on the attachment side variable. Is provided with an attachment attaching / detaching device 5. This attachment attachment / detachment device 5 can be rearranged without pulling out the pin 6 of the attachment, and is called a quick hitch. The exchange operation will be described in detail with reference to FIGS. 26 and 27.

The slide mechanism 5b comprises a movable claw 5c, a lock bar 5d, and a set screw 5e. The attachment / detachment is performed with the hydraulic hose on the attachment side removed and the movable claw 5 on the other side fitted to the pin on the attachment attaching / detaching device 5 side.
c, and set it to another pin. Then, turn the set screw 5e with a tool to move it to lock bar 5d.
To lock.

A special bulletproof glass 7 of a 27 mm bulletproof laminated sheet of polycarbonate is used for the front glass and the floor glass of the window glass of the driver's seat 3 and has a strength approximately 200 times that of ordinary glass. Further, a guard 8 made of a steel net of 50 mm mesh is provided on the front surface.
Although not shown, an iron undercover is provided below the main body and the truck of the heavy equipment vehicle to guard the inside of the machine.

Further, regarding the reinforcement of the heavy equipment vehicle (base machine) 1, not only the undercover but also FIGS.
31 is also possible, and side guards 42, Rex guards 43, ceiling guards 44, cab side guards 45, floor guards 46, support beams 47, etc. are added with a high tension plate (80 kgf / cm ² ) made of iron plate. You can also.

The attachment to be attached to the tip of the undulating and resilient arm 2 via the attachment attaching / detaching device 5 includes a rotary cutter 9 having cutter bits 11 planted on the peripheral surface of the rotating drum 10 at appropriate intervals, Construction
And a skeleton bucket 16 having 16a.

As shown in FIGS. 15 and 16, the rotary cutter 9 is of a type directly connected to a hydraulic motor.

Further, the rotary cutter 9 has a rake 26 protruding laterally, and a flap-type scattering prevention blade 27 on the rear side as shown in FIGS. This scattering prevention blade 27 changes its opening and closing angle as shown in FIGS. 17 to 19, FIG. 17 shows a state of preventing scattering at the time of land mine processing described later, FIG. 18 shows a time of bush processing, and FIG. 19 shows a time of farmland improvement. .

The cutter bit 11 of the rotary cutter 9 is
As shown in FIG. 20, a cutter holder 13 is provided by welding to the peripheral surface of the rotary drum 10 and fastened to the cutter holder 13 with bolts 14 as shown in FIG. The lower end of the cutter bit 11 is a forked portion 11a, and this portion is fitted into the central thin portion 13a of the cutter holder 13 to allow the bolt 14 to pass therethrough. The cutter holder 13 is a rotary cutter 9.
The rear side in the rotation direction is increased or thickened to increase the strength so that the bending bit and the impact load applied to the cutter bit 11 can be sufficiently received.

In the figure, reference numeral 11b denotes a cemented carbide tip of the cutter bit 11, and the cutter bit 11 has the shape of the cemented carbide tip 11b in FIG.
21 and 22, a flat blade H type and a flat blade I type can be selected as shown in FIGS.

FIGS. 32 and 33 show the arrangement of the cutter holder 13 and the cutter bit 11 of the rotary drum 10 in the rotary cutter 9, which are arranged obliquely with respect to the rotation axis of the rotary drum 10, and the spiral direction is changed to the rotation direction. To form a spiral. Although the total number of cutter bits 11 is 40 in the present embodiment, two cutter bits 11 arranged on the hatched portion, a total of four cutter bits 11, are inclined to one side as shown in FIG. .

About 2/3 of the rotary cutter 9 is housed in the hood 24, and about 1/3 of the lower side protrudes.
As an example, the outer diameter of the excavation is φ900mm to φ800mm, and the rotation speed is 5
00 ~ 650rpm, torque MAX128kg ・ m, cutting speed (tip) M
AX85km / h ~ MAX110km / h, blade tip excavation power 284kg ~ 319kg,
Rated pressure 280 kg / cm ² , Rated flow 165 ~ 210 l / mi
n, rated output 107kw, mass (Cutter 1400kg ~ 2000kg,
It shall be capable of cutting at least to a depth of about 30 cm or more. It has a diameter of about twice or more the rotation diameter of the land mine disposal machine disclosed in Japanese Patent Application Laid-Open No. 8-320199 described in the prior art, and has a drilling depth of 6 times or more.

Since the spiral is formed by the arrangement of the cutter bit 11, a screw effect is exhibited at the time of cutting, so that a bush or the like does not become entangled.
When used in reverse, a soil discharging action in the lateral direction can be obtained.

As a radar type land mine detector, a sensor section 17 is mounted at the tip of the arm 2 on the side. The radar type land mine detector includes the sensor unit 17, a signal processing unit (not shown) installed in the driver's cab, and a monitor CRT.

The sensor unit 17 can be extended by a jack-type telescopic arm. The sensor unit 17 is moved under a constant condition by the movement of the arm 2 and the motion of the jack-type telescopic arm, and is located within 1 m below the ground. Detect buried objects,
Its material and type can be identified. Material, position,
Indicate the depth.

An injection nozzle 18 of a marking system as shown in FIG. 23 is provided in the vicinity of the sensor section 17, and this injection nozzle 18 is provided with a switching solenoid valve 23 and an injection pump.
20 is connected to the colored water storage tank 19 by a water supply pipe 22 provided on the way. After the position is determined, paint can be sprayed on the ground with this marking system to indicate the buried object.

The detection device has two modes: a mode for detecting the presence or absence of a buried object and a precision mode for clarifying accurate information after the detection.
Perform in stages. The material of the detected buried object is identified and marked on the CRT.

FIG. 24 shows a hydraulic circuit. Reference numeral 32 denotes a hydraulic motor for the rotary cutter 9 and reference numeral 33 denotes a hydraulic motor for turning the main body of the arm 2 or the like. The hydraulic motors 32 and 33 are combined and driven by the pump 34 switching by the main switching valve 35. But in this case,
The speed of the hydraulic motor 33 for turning the main body changes due to the load on the rotary cutter 9, the operating angle of the operating lever, and the like, so that uniform constant-speed turning is impossible. Similarly, the rotation of the rotary cutter 9 is also unbalanced.

Therefore, in the present invention, another sub-pump 37 is provided, and the hydraulic motors 32, 33 are turned by the sub-switching valve 38 via the merging blocks 39a, 39b. Since the rotary cutter 9 and the system for turning the main body such as the arm 2 can be relatively easily switched by switching through the merging block 39 in this way, they are independent of each other, and the rotation speed of the rotary cutter 9 does not change during turning. , Uniform and reliable work is possible. That is, by supplying oil from various circuits having different flow rates to the main body turning hydraulic motor 33, a turning speed suitable for the work can be selected. In addition, in a work such as a bucket that requires a combined operation, the function of a conventional hydraulic excavator is kept alive, so that the excavation and other complexities are not lost.

Further, by adding a proportional electromagnetic throttle valve 40 (with a pressure compensating function), a turning speed current adjusting dial 41 is provided.
The turning speed can be adjusted arbitrarily regardless of the turning load pressure.

The main switching valve 35 and the sub switching valve 38
It is also possible to adopt a hydraulic type, select and switch with another solenoid valve, and implement with the same operating lever.

As shown in FIG. 25, the skeleton bucket 16 having the grid structure 16a may be provided with a magnet 15 outside the bottom. This magnet 15 is an electromagnet,
It can be used to remove fragments such as unexploded ordnance, which will be described later.

Next, a land mine disposal method of the present invention using such a land mine disposal device will be described. FIG. 13 shows a block diagram. When the mine processing apparatus (system) of the present invention is used in a place where a mine or the like is expected from a result of a preliminary investigation of various types of information, the efficiency of the entire operation is reduced. Prior work preparation is required.

First, the work position is confirmed. Driving the reference pile at the starting point of the work, and plotting the position of the pile from a clear survey point. This is important for work records, reports and mine clearance maps. Next, a work section is set. In order to minimize the moving distance of the machine main body and increase the working efficiency, the working section is planned in consideration of the appropriate exchange of the rotary cutter 9 and the skeleton bucket 16 as attachments according to the topography and vegetation.

The heavy equipment vehicle 1 moves forward and backward with the crawler belt 4 and the wheels 25 and turns. An operator rides on the driver's seat 3 and drives the same, but operates the rotary cutter 9 and the skeleton bucket 16 with the undulating and refracting arm 2. Trees, shrubs, reeds and grass covering the ground surface are used for detecting mines and the like. If they interfere with the processing operation, they are removed beforehand. As shown in FIGS. 5 and 6, shrubs, reeds, and grass can be easily processed by the rotary cutter 9 moving while turning from the side.
FIG. 5 shows the case of the standing tree process, and FIG. 6 shows the case of the bush removal.

However, if it is anticipated that there will be unexploded ordnance hiding in the vegetation, and it is difficult to visually confirm before work, safety will be secured at the work stage. The first stage is 30-40cm above the ground,
Cut vegetation to avoid touching unexploded ordnance. After that, check for unexploded ordnance on the ground. If any unexploded ordnance is found, it is safely scooped up using the rake in front of the rotary cutter, removed to the rear of the machine body, and subsequently transported and processed manually.

In the second stage, the vegetation is cut to a size of 10 cm or less so that the subsequent detection operation can be easily performed. As shown in FIG. 7, when the cut vegetation accumulates on the ground at a height of 10 cm or less, or when the shrub has fallen high, the rake 26 on the side of the rotary cutter 9 is used to eliminate the vegetation. Tree height
Trees of 20 cm or more affect detection work if the distance is small, but if there is a distance of 10 cm or more, there is no problem, so use this as a guide to cut or remove obstacles. Tall trees are cut in two stages, and crushed trees are eliminated using a rake 26.

When the soil deeply covers the original ground surface due to the collapse of the earth wall, earthwork, embankment, etc., and hinders the detection and processing work, a skeleton bucket is used to remove the soil to near the original ground. Perform post-work from.

During the above-mentioned work, pressure is applied to land mines and the like in the soil to pay attention to safe work so as not to cause an explosion. When performing various operations using the rotary cutter shim system according to the present invention, one person is arranged beside the machine body,
Check the work procedure and give instructions in cooperation with the driver.

FIG. 8 shows a detecting operation. The detecting operation by the sensor unit 17 set on the side of the arm 2 is performed in two stages. The first stage works in the detection mode. The bottom of the sensor is maintained at a constant height of 5 to 10 cm above the ground, and the turning speed is 2 km.
The detection work is performed by turning the arm at / h to 4km / h.

When a buried object is detected in the ground, a discovery signal by voice is issued. Subsequently, the mode is switched to the second-stage precise mode, and accurate information is detected. The sensor unit 17 is repeatedly scanned before and after the discovery position to clarify the type, accurate depth, position, and material type of the buried object, project it on a CRT, and record it.

When the position is determined, the sensor unit 17 is stopped on a land mine or the like, and the marking paint 21 is sprayed on the ground by the marking system shown in FIG. The injection of the marking paint 21 is performed by switching the colored water from the colored water storage tank 19 by the switching electromagnetic valve 23 and spraying from the spray nozzle 18.

The anti-tank land mines and unexploded ordnance that are revealed by the detection work are processed to ensure the safety of anti-personnel land mines by the subsequent rotary cutter. Using the skeleton bucket 16 as shown in Fig. 9, carefully dig out the anti-tank land mines and unexploded ordnance in the soil at the marked position so as not to explode, and gradually remove the soil in the skeleton bucket 16 behind the machine body. Sowing, separating and exposing anti-tank mines and unexploded ordnance. After the event, it will be transported to the explosion point by human power and processed.

In the processing of the antipersonnel mine, the area of the antipersonnel mine revealed by the detection work is emphasized, and the entire area is completely cleared by the rotary cutter 9 to process the antipersonnel mine. As shown in FIG. 10, the processing operation is performed while turning the guide bottom surface of the rotary cutter 9 while making contact with the ground surface.
The cutting edge of the cutter bit of the rotary cutter 9 is set to reach 30 cm underground. Depending on the hardness of the land and unevenness on the ground,
Change the turning speed or secure enough depth by two-step work.

As in the detection operation, there is no unprocessed portion.
Overlap 5-10 cm. The antipersonnel mine is destroyed without exploding by the high-speed rotation of the rotary cutter 9, and fragments are released to the ground. For some types, only the fuse may rupture, but has no effect on the device.

By the above operation, anti-personnel mines can be processed up to 30 cm, and anti-tank mines and unexploded ordnance can be processed up to 1 m. Further, for safety confirmation, the sensor unit 17 checks whether there is any remaining land mine or the like over the entire processed area. As a result, it is confirmed that the processing in this area has been surely performed.

The improvement of the agricultural land after the land mine treatment is the same as the improvement of the waste land or the abandoned agricultural land as shown in FIG. Figure
11, a reclaimer operation using the rotary cutter 9 is performed. In this case, the carbide tip 11b of the cutter bit 11 of the rotary cutter 9 has a flat blade H as shown in FIGS.
By replacing the mold with a flat blade I-type, a wide agricultural land can be processed quickly.

[0060]

As described above, the mine disposal apparatus and the mine disposal method of the present invention can perform systematic work including preparation work such as vegetation and removal work of collapsed soil and the like. Disposal of landmines can be performed safely and reliably in distinction from treatment of unexploded ordnance, etc., and improvement work on farmland after treatment can be performed efficiently.

[Brief description of the drawings]

FIG. 1 is a perspective view of a land mine disposal device according to a first embodiment of the present invention when a rotary cutter is used.

FIG. 2 is a perspective view of the land mine disposal device according to the first embodiment of the present invention when a skeleton bucket is used.

FIG. 3 is a perspective view of a land mine disposal device according to a second embodiment of the present invention when a rotary cutter is used.

FIG. 4 is a perspective view of a land mine disposal device according to a second embodiment of the present invention when a skeleton bucket is used.

FIG. 5 is an explanatory diagram of a tree processing in the land mine disposal device and method of the present invention.

FIG. 6 is an explanatory diagram of bush removal in the mine disposal device and method of the present invention.

FIG. 7 is an explanatory view of a rake operation in the land mine disposal device and method of the present invention.

FIG. 8 is an explanatory diagram of a mine exploration operation in the mine disposal device and method of the present invention.

FIG. 9 is an explanatory view of an anti-tank land mine and unexploded bomb disposal in the mine disposal device and method of the present invention.

FIG. 10 is an explanatory diagram of antipersonnel landmine processing in the landmine processing apparatus and method of the present invention.

FIG. 11 is an explanatory view of a farmland improvement operation after landmine disposal by the landmine disposal device and method of the present invention.

FIG. 12 is a block diagram showing an outline of a mine management apparatus and method according to the present invention.

FIG. 13 is a block diagram showing an outline of landmine processing in the landmine processing apparatus and method of the present invention.

FIG. 14 is a block diagram showing an outline of farmland improvement in the mine disposal apparatus and method of the present invention.

FIG. 15 is a front view showing a rotary cutter portion of the land mine disposal device of the present invention.

FIG. 16 is a plan view showing a rotary cutter part of the land mine disposal device of the present invention.

FIG. 17 is a side view at the time of land mine disposal in the rotary cutter part of the land mine disposal device of the present invention.

FIG. 18 is a side view at the time of bush processing in the rotary cutter portion of the land mine disposal device of the present invention.

FIG. 19 is a side view at the time of farmland improvement in the rotary cutter portion of the land mine disposal device of the present invention.

FIG. 20 is a perspective view of a cutter holder and a cutter bit of the rotary cutter.

FIG. 21 is a perspective view showing another example of the cutter bit of the rotary cutter.

FIG. 22 is a perspective view showing still another example of the cutter bit of the rotary cutter.

FIG. 23 is an explanatory diagram of a marking system.

FIG. 24 is a hydraulic circuit diagram.

FIG. 25 is a side view showing another example of using a skeleton bucket.

FIG. 26 is an explanatory view of an extended state of the attachment attaching / detaching device.

FIG. 27 is an explanatory diagram of a contracted state of the attachment attaching / detaching device.

FIG. 28 is a left side view of an example in which reinforcement is reinforced by a heavy equipment vehicle.

FIG. 29 is a plan view of an example in which reinforcement is reinforced by a heavy equipment vehicle.

FIG. 30 is a right side view of an example in which reinforcement is reinforced by a heavy equipment vehicle.

FIG. 31 is a front view of an example in which reinforcement is reinforced by a heavy equipment vehicle.

FIG. 32 is a developed view showing an arrangement of cutter bits in the rotary cutter.

FIG. 33 is an explanatory diagram showing an arrangement of cutter bits in a rotary cutter.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Heavy equipment vehicle 2 ... Arm which can be raised and lowered and freely bendable 2a ... Boom 2b ... Arm 2c ... Boom cylinder 2d ... Arm cylinder 2e ... Bucket cylinder 3 ... Driver seat 4 ... Crawler belt 5 ... Attachment attaching / detaching device 5a ... Link mechanism 5b ... Slide mechanism 5c ... movable claw 5d ... lock bar 5e ... set screw 6 ... pin 7 ... special bulletproof glass 8 ... guard 9 ... rotary cutter 10 ... rotary drum 11 ... cutter bit 11a ... bifurcated part 11b ... carbide tip 12 ... drive motor 13 ... Cutter holder 13a ... Central thin part 14 ... Bolt 15 ... Magnet 16 ... Skeleton bucket 16a ... Segment structure 17 ... Sensor part 18 ... Injection nozzle 19 ... Colored water storage tank 20 ... Injection pump 21 ... Signal paint 22 ... Water pipe 23 … Switching solenoid valve 24… Hood 25… Wheel 26… Rake 27… Splash prevention blade 28… Injection nozzle 29… Colored water reservoir H 30 ... Injection pump 32,33 ... Hydraulic motor 34 ... Main pump 35 ... Main switching valve 36 ... Hydraulic tank 37 ... Sub pump 38 ... Sub switching valve 39a, 39b ... Combining block 40 ... Proportional electromagnetic throttle valve (pressure compensation function) Attached) 41: Turning speed current adjustment dial 42 ... Side guard 43 ... Rex guard 44 ... Ceiling guard 45 ... Cab side guard 46 ... Floor guard 47 ... Support beam

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F41H 11/12-11/16 A01B 33/02 E02F 3/36

Claims (6)

(57) [Claims] 1. An undulating and refractible arm tip of a heavy equipment vehicle used in a shovel machine such as a backhoe, and a rotating drum.
Spiral cutter bit with the spiral direction aligned with the rotation direction
A mine disposal device , comprising: a rotary cutter arranged in a circle ; a rotary cutter and a skeleton bucket; and an exchangeable attachment between the rotary cutter and the skeleton bucket; and a sensor unit attached to a side of the arm. 2. The mine disposal device according to claim 1, wherein the rotary cutter has a rake. 3. An attachment attachment / detachment device incorporating a slide mechanism for varying the holding interval of the pin on the attachment side is provided at the tip of the arm at the tip of the arm, and a rotary cutter or a skeleton bucket is attached via the attachment attachment / detachment device. The mine disposal device according to claim 1 or 2. 4. The mine disposal device according to claim 1, wherein a sensor unit serving as a mine detector is mounted laterally at a tip of the arm. 5. A rotary cutter with a rake and a skeleton bucket are interchangeably mounted on the tip of an undulating and bendable arm of a heavy equipment vehicle used in a shovel machine such as a backhoe, and a sensor is mounted on a side of the arm. As preparatory work using the equipment, remove vegetation such as shrubs, reeds and grass with a rotary cutter, remove landslides such as earth walls, earthworks, embankments with a skeleton bucket, and antipersonnel landmines with a sensor part. Anti-tank mines and unexploded ordnance are distinguished.In the case of anti-tank mines and unexploded ordnance, they are exposed with a rake or skeleton bucket of a rotary cutter.After that, they are manually transported to the explosion point and processed. A mine disposal method characterized by being destroyed by high-speed rotation of the cutter. 6. The mine disposal method according to claim 5, wherein the rotary cutter is replaced with a cutter bit, and after the mine disposal operation, farming is performed with the rotary cutter.