EP0922193B1 - Mine clearing system - Google Patents

Abstract

A mine clearing system (10) comprises a mine clearing vehicle (12) with a front attachment at its front side provided with a milling roller (26). The front attachment can swivel around a horizontal axis (40). A rear attachment which forms a mine detector can be provided on the mine clearing vehicle (12), or a mine detection vehicle (14) with such a rear attachment can follow the mine clearing vehicle (12). The rear attachment or mine detection vehicle (14) has a second milling roller (44) which can swivel around a horizontal axis to adjust as desired the height or depth of penetration of the second milling roller into the soil. A transporting and screening device (58) is arranged after the second milling roller (44).

Description

The invention relates to a mine clearing device according to the preamble of Claim 1.

The invention is based on mine clearance devices, as described in US Pat. No. 2,489 349 or US-A-3 771 413 or DE-A-44 41 075. This have a vertically swiveling milling drum on the front. The milling drum is provided with cutting and breaking tools.

In US-A-2 397 994 a system can be seen which is associated with a entire armored vehicle rotatable tool is provided.

From DE 42 30 769 C2 a mine clearance arrangement is known, which is used as a front-mounted device for vehicles, especially armored vehicles, for clearing land mines is. This known mine clearing arrangement has clearing blade elements Digging teeth on a line at an angle to the direction of travel on a mounting frame are arranged adjustable. Each dozer blade element consists of one concave arched top and is continued through the digging teeth for the broaching depth. Each dozer blade element can be guided on the ground via assigned sliding surfaces. The individual top parts are across horizontal swivel axes transverse to the direction of travel individually adjustable held on the frame and via assigned Sliding surfaces can be guided automatically on the floor. The sliding surfaces are over in Slopes upstream of the direction of travel connected to the upper parts. The tops take the digging teeth and / or the clearing teeth to move the tops of the dozer blade elements.

DE 44 41 075 C1 discloses a mine clearing vehicle a front attachment that is hydraulic or pneumatic working cylinder-piston arrangements and if necessary via frame legs pivotably articulated on the vehicle is raised and lowered connected to the vehicle. The Front attachment is with a forward and in the direction of travel downward at least partially open box with a arranged essentially transversely to the direction of travel, preferably hydraulically driven milling drum trained, which rotates against the direction of travel, the promotes the respective mine to be cleared in front of the milling drum and causes an explosion there by applying pressure. For The selection of magnetic materials is the front attachment designed such that in the area in front of the milling drum Magnet or a magnet arrangement for receiving magnetic Parts is arranged.

DE 44 42 153 C1 discloses a clearing device for mines, Grenades and other explosive bodies known in the or are on the ground. This clearing device has against the direction of advance rotating elements on and is a front-mounted device for a vehicle, especially for a Armored vehicle, trained. The rotating elements are in this known clearing device as a disk body formed, the cutting or at least on the outer circumference Have saw elements. There are several disk bodies provided vertically oriented and side by side arranged.

All clearing devices or arrangements described above and vehicles are used as front-mounted devices or as vehicles Front attachment designed. The spatial security of such However, room arrangements can still leave something to be desired, i.e. the spatial security required by the United Nations of at least 99.6% in humanitarian mine clearance can be from these known arrangements are not yet reliably met become.

DE 94 06 207 U1 describes a device for searching known from mines deposited on or in the ground, a device attached to a towing vehicle has horizontally mounted roller by a Drive motor can be driven against the direction of pull. On Tools are attached to the roller that procure in this way are that soil material in front of the roller up to its predetermined depth up and back to a behind the Roller traveling screening and / or conveying device is conveyed, the screening and / or conveying device is designed so that the floor material falls through.

The invention has for its object a mine clearance system of the type mentioned at the beginning, with which the United Nations' call for one Spatial security of at least 99.6% reliably met becomes.

This task is the beginning of a mine clearance system mentioned type according to the invention by the features of Characteristic part of claim 1 solved. Preferred training or further developments of the mine clearance system according to the invention are marked in the subclaims.

The mine clearance system according to the invention has the advantage on that time-saving, i.e. quickly an economical Clearance of relatively large minefields as part of a humanitarian evacuation is possible, the front extension of the Mine clearing vehicle with the milling drum to smash clearing mines and the mine tracking device Do not search or smash from the front attachment mines. Parts larger than are of the order of 5 cm Conveyor device of the mine tracking device to one Screening device transported.

The mine clearance vehicle or the mine tracking vehicle can be a modified Leopard tank, ie the chassis of a Leo 1 A4, in which the gear block, the ABC system, the ammunition bunker, the chain aprons and the like are used to reduce weight. are disassembled. In order to achieve the above-mentioned clearing safety, the clearing speed, ie the driving speed of such a modified Leo 1 A4, must not be greater than 30 m / min, preferably between 8 and 16 m / min. This can be achieved if a reduction gear is attached to the existing side gear of the Leo 1 A4. In such a diesel-hydraulic drive two hydraulic motors are used as drive motors, wherein the oil pump is a pump distributor gear and an intermediate clutch from the engine of Leo 1 A4 at a constant engine speed of, for example, 1600 min ^-1 driven.

Since the mine clearance system according to the invention for clearing Rifle mines and so-called spring mines, and for clearing suitable and intended by tank mines, the respective armored vehicle absolutely for the operator be sure. For this purpose, the driver's cabin of the respective armored vehicle on shock absorbing Damping elements stored. It is against spring mines Driver cab even in its front area from one suitable armored steel. The viewing window are preferably made of bulletproof glass and can also be covered with protective covers. The bottom area of the Chassis and / or the interior of the tub of the Vehicle preferably have additional armor on. So the bottom area of the chassis can counter any hollow charge mines may be reinforced with armored steel. Additional partitions can be installed in the interior of the vehicle's tub be provided. These can come from Polyethylene sheets are made.

To take up the weight of the corresponding milling drum can be the wheels of the vehicle and / or the Support arms on which the corresponding milling drum lifts and is provided lowerable, provided with a reinforcement. To The rubber coating of the rollers can be used for this purpose Vulkolan pads replaced and / or the front Support arms thanks to additional hydraulic shock absorbers be supported.

With the mine clearing system according to the invention Destruction of mines by submerging the first Milling drum in the ground while triggering at the same time or dismembering the mines by the corresponding Milling drum radially protruding chisel elements or Roller teeth. The immersion depth is expediently up to 40 cm. The on or on the milling drum surface arranged in multiple helical lines Chisel elements are dependent on the Roller geometry, the roller speed, the jacking or Driving speed and the type or nature of the ground arranged. The corresponding milling drum is with the associated armored vehicle by means of a Support arm construction can be raised and lowered. This Support arm construction consists of weight reasons preferably corresponding from hollow profile elements mechanical strength. The support arm construction can by hydraulic piston-cylinder arrangements by one Swivel axis swiveling, i.e. can be raised and lowered. The Tracking and height control of the respective milling drum can be carried out electrohydraulically. Between the respective milling drum and the associated chassis of the Armored vehicle is preferably a thick-walled barrier arranged, especially in the case of detonation of tank mines damage to the hydraulic system or supply lines and damage to the chassis and the chains of the Armored vehicle reliably prevented.

The design of the milling drum, the arrangement of the Chisel elements, the geometric shape of the chisel elements, the diameter of the respective milling drum, the spiral angle of the chisel elements and the roller speed the clearance probability, i.e. the Spatial security.

Another very significant advantage of the Mine clearance system according to the invention is that with the mine clearance process with the help of the mine tracking vehicle or mine detector a soil cultivation goes along. The floor is worked on with the loosened the first and the second milling drum accordingly, so that the site after the mine clearance work can be cultivated or afforested. Besides, that is Mine clearance system according to the invention designed such that the front attachment or the mine tracking device of the first Armored vehicle or the mine tracking device from that of first modified armored vehicle independent second modified armored vehicle can be disassembled to then the individual components also over bridges to be able to transport accordingly reduced load capacity. That is especially so. important for third world countries.

Figur 1

in einer Seitenansicht ein Ausführungsbeispiel des Minenräum-Systems;

Figur 2

in einer Seitenansicht wesentliche Teile eines modifizierten Panzerfahrzeugs des Minenräum-Systems gemäß Figur 1;

Figur 3

einen Antriebsblock in schematischer Darstellung.

Further details, features and advantages emerge from the following description of a mine clearing system according to the invention shown schematically in the drawing. Show it:

Figure 1

in a side view an embodiment of the mine clearance system;

Figure 2

in a side view essential parts of a modified armored vehicle of the mine clearance system according to Figure 1;

Figure 3

a drive block in a schematic representation.

Fig. 1 shows a side view of a mine clearance system 10 with a Mine clearing vehicle 12 and with a mine tracking vehicle 14. Das Mine clearing vehicle 12 and mine tracking vehicle 14 are each one modified armored vehicle 16 formed, as is also illustrated in Fig. 2. At the respective armored vehicle 16 is the armored turret by a driver's cab 18 replaced. As can be seen from FIG. 2, the driver's cab 18 is open shock-absorbing damping elements 20 stored. 2 illustrates also that the bottom area of the chassis an additional armor 22nd and that the interior of the pan of the armored vehicle 16 has an additional one Armor 24 has.

At the front of the mine clearing vehicle 12 is a milling drum 26 intended. The milling drum 26 is provided with chisel elements 28 which of the Milling roller surface 30 project radially. The milling drum 26 is in one Shielding housing 32 about a horizontal axis 34 to the direction of travel can be driven in the opposite direction, which is indicated by the arrow 36. The milling drum 26 with the associated shielding housing 32 is on two lateral support arms 38 held, temporarily attached to the mine clearing vehicle 12 to a horizontal Pivot axis 40 can be pivoted and thus in height or for setting one desired depth of penetration are pivotable. The drive of the milling drum 26 and the pivot drive of the support arms 38 takes place by means of a Drive device 42, which in the rear area of the mine clearance vehicle 12 is provided.

The mine tracking vehicle 14 is from a mine clearance vehicle 12 Similar modified armored vehicle 16 formed with a second Milling drum 44 is releasably combined, which is pivotable about a horizontal axis is provided, which is indicated by the arcuate double arrow 46. The second milling drum 44 is combined with a shielding housing 48, it has how the first milling drum 26 chisel elements 50, which from the lateral surface 52 of the second milling drum 44 protrude radially. The second milling drum 44, which like that first milling drum 26 is driven against the direction of travel, which by the Arrow 54 is indicated, a conveyor and screening device 56 is arranged downstream.

Fig. 3 shows the drive block 58 of the mine clearance vehicle 12 in strong simplified representation. The drive motor 60 is by the output or Motor shaft 62 drive-connected with a clutch 64. To clutch 64 the pump transfer case 66 follows. Pump transfer case 66 and Coupling 64 are via a transition ring 68, which is a bell-shaped housing is formed, bordered. Pump transfer case 66 drives oil pumps 70 from a first one for the left drive 72, a second one for a cooler 74, a third for a reserve 76 and the fourth for the right drive 72 of the Mine clearing vehicle 12 is used.

According to FIG. 3, the drive block 58 comprises a second drive motor 78 which in this example is provided for driving the milling drums 26. The Drive motors 60 and 78 are vertically one above the other in the mine clearing vehicle 12 arranged. However, it is expressly emphasized that the arrangement of two Drive motors 60 and 78 one way to drive various Facilities is. All facilities, such as milling drums, drive, cooler and the like can also be acted upon by a single drive motor 60 if this drive motor 60 with clutch and pump transfer case is trained accordingly.

An output shaft 80 goes from the second drive motor 78 to the clutch 82, which in turn is connected to the pump distributor gear 84. The Pump distributor gear 84 drives the milling drums 26 via corresponding oil pumps , two of which are used as right and two as left milling drums.

With the drive block 58, travel speeds down to 0.72 m / min realizable. This low driving speed, which with the usual drives of the Main battle tanks are not guaranteed, together with appropriate Working speeds of the milling drums 26 an optimal clearing of mines. The working speeds of the milling drums 26 are between 14 and 30 m / min.

Reference list

10th

Mine clearance system

12th

Mine clearance vehicle

14

Mine tracing vehicle

16

Armored vehicle

18th

Driver's cabin

20th

Damping elements

22

Armor

24th

Armor

26

Milling drum

28

Chisel element

30th

Lateral surface (of 26)

32

Shielding housing

34

Horizontal axis

36

arrow

38

Support arms

40

Swivel axis

42

Drive device

44

second milling drum

46

Double arrow

48

Shielding housing

50

Chisel element

52

Lateral surface (of 44)

54

arrow

56

Conveying and screening device

58

Drive block

60

Drive motor

62

Motor shaft

64

clutch

66

Pump transfer case

68

Transition ring

70

Oil pump

72

traction drive

74

cooler

76

reserve

78

Drive motor

80

Output shaft

82

clutch

84

Pump transfer case

Claims (8)

1. Mine-clearing equipment, which consists of a mine-clearing vehicle (12), based on a modified armoured vehicle (16) and equipped with oil motors, on the front of which a front attachment, which swivels about a horizontal axle (40), is provided for accommodating a milling roller (26) which has cutting and breaking tools (28) on its peripheral face,
   characterized in that

   a drive block (58) is provided which consists of a first driving motor (60) and a second driving motor (78) which can be used either as individual units or as a combined unit,

   the first driving motor (60) works by way of a coupling (64) with transition ring (68) on a pump distributor gear (66), which for its part drives oil pumps (70), which act on travelling gear motors (72), which act on a reduction gear of the cross shaft,

   the second driving motor (78) works by way of a coupling (82) with transition ring on a second pump distributor gear (84), which is connected to oil pumps, which respectively drive the milling rollers (26),

   instead of the armour-plated turret on the armoured vehicle (16), a driver's cabin (18) is installed which is mounted on shock-absorbing damping elements (20) which are respectively disposed on the floor side in the corners of the driver's cabin (18) which is rectangular in cross-section, and

   on the mine-clearing vehicle (12) a rear attachment with a milling roller is provided which forms a mine-detector with a fitted milling roller (44) which is followed by a conveying and screening installation (56).
2. Mine-clearing equipment according to Claim 1,
   characterized in that
   the cutting and breaking tools (28, 50) radially projecting from the milling rollers (26, 44) are disposed singly or multiply in helical form on the milling roller's outer face (30, 52).
3. Mine-clearing equipment according to Claim 1,
   characterized in that
   the two driving motors are disposed vertically one above the other.
4. Mine-clearing equipment according to Claim 1 or 3,
   characterized in that
   the oil motors are each connected in series.
5. Mine-clearing equipment according to Claim 1 or 3,
   characterized in that
   the oil motors are connected in series in pairs.
6. Mine-clearing equipment according to Claim 1,
   characterized in that
   the floor area of the undercarriage and/or the inside area of the body have an additional armour-plating (22, 24).
7. Mine-clearing equipment according to Claim 1 or 2,
   characterized in that
   the milling roller (26) on the front attachment and/or the milling roller (44) with associated conveying and screening installation (56) on the rear attachment are each temporarily fixed to the mine vehicle (12).
8. Mine-clearing equipment according to Claim 1,
   characterized in that
   the coupling (64, 82) after the driving motor (60, 78) is provided on the input side with a disk flywheel.

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