Device for underwater development of rocks

FIELD: mining.

SUBSTANCE: device for underwater development of rocks comprises frame, actuating element in the form of chain-and-bucket, discharge coal slurry pipeline, hopper. Device is additionally equipped with platform having walker, with the possibility of longitudinal and transverse motion, arranged in the form of skis installed on eccentric shafts. Chain-and-bucket is fixed on frame at side of device.

EFFECT: invention provides for autonomous operation in complicated mining and hydraulic-geological conditions and extraction of burs with minimum losses and disturbed condition of bottom deposits.

2 dwg

 

The invention relates to the extraction from the bottom of seas, oceans and water bodies, which are mostly horizontal and slightly inclined deposits of low power, located on the bottom surface with a small depth (up to 1-1 .5 m) above its surface. The predominant use of the device are alluvial deposits and mesopotania deep-sea sediments of the bottom of a small capacity.

A device for the production of nodules from the seabed, including towed along the bottom with the rope work body, fastened the rope through the hooks pivotally mounted on the side walls of the working body, made in the form of cumulative capacity placed on it parogazovymi elements. This partisapate elements made in the form of buckets, and cumulative capacity made of drum, the shell of which is made holes, on which is rigidly mounted buckets of flaps with elastic blades, pivotally mounted at holes can be rotated them in the top position of the drum, with the hinge brackets are placed in the center of the sides of the drum (RF patent N 2007573, 5 IS 50/00, similar).

The drawbacks are the complexity of the design, almost inevitable in depth malowanie sediments containing concretions, and ser is serious ecological imbalance due to the almost inevitable formation of a cloud of mist in the operation of the device when groundshare and when you move the extracted rock mass, rocks are represented mainly silt particles (pelites, thin siltstones, sapropels and so on).

The closest technical solution for essential features and the achieved result is a device for developing nodules (RF patent N 2170824, 7 AS 50/00, prototype), containing frame, the Executive body with the drive water pump with suction and discharge slurry pipeline carrying wodoslawsky floats with retractable by means of telescopic hydraulic cylinders supporting the ski, a hopper with an inclined screen grid.

The disadvantages of this device are the lack of independent work without the towing ship and quite insufficient functionality of the device.

The objective of the invention is the provision of Autonomous work in difficult mining and hydrogeological conditions and removing nodules with minimal losses and violations of the condition of the sediment.

The problem is solved in that the device for underwater mining of minerals containing frame, the Executive authority in the form of mnogochipovoj circuit, pressure pipeline, hopper, supporting skis, the device is further provided with a platform walking beam mechanism, with the possibility of longitudinal and transverse movement, made in the form of skis installed on excentry the new shafts platform, and mnogochipovoj chain attached to the chassis with the side of the device, the distance between the hopper and the position of the scoop in mnogochipovoj circuit at the time of discharge must satisfy the condition Y>(XVo)/Vh

where X is the distance between the falling rock and a scoop, which is suitable for unloading, m;

Vo- the speed of the falling rocks in the water, m/s;

Vh- speed mnogochipovoj chain, m/S.

Using the platform of the walking mechanism creates the possibility of self-mobile move the device reduces the pressure on malowanie soils, increases the stability of the device, installation mnogochipovoj chain on the frame in the side will increase the cutting force scoops on the ground. For proper operation mnogochipovoj circuit it is necessary that the time during which the front edge of the scoop to discharge to reach the falling rocks t1=x/Vhit was more than a fall of rock in the tank t2=Y/Vo, it follows that Y>(XVo)/Vh,

where X is the distance between the falling rock and a scoop, which is suitable for unloading, m;

Vo- the speed of the falling rocks in the water, m/s;

Vh- speed mnogochipovoj chain.

The speed of the falling rocks into the hopper depends on the size of the breed and the upper margin is moved individually.

The device illustrated by the drawings, in which figure 1 presents a device for development, General view; figure 2 is a platform of the walking mechanism.

The device comprises a base platform 1, the eccentric shaft for longitudinal movement 2 on which are mounted the supporting ski 3, the eccentric shaft for lateral movement 4 on which are mounted supporting skis 5, frame 6, a hopper 7, the pressure pipeline 8, the Executive authority in the form of mnogochipovoj circuit 9 consisting of separate scoops 10 (drive not shown).

The device operates as follows.

The lower scoops 10 devices mounted on mnogochipovoj circuit 9 is embedded in the reservoir, at a depth equal to the height of 10 scoops, the scoops are discharged into the hopper 7, simultaneously with the rotation mnogochipovoj circuit 9, is the rotation of the eccentric shaft 2 for driving a clockwise direction, lowering the reference ski-3 on the ground that leads to the lifting of the supporting platform 1 from the soil and to the longitudinal moving forward to a new place of work. Breed from the hopper 7 is transported by the pressure pipeline 8 and is on the surface. After working a longitudinal front deposits of minerals is a transverse moving device, the rotation of the eccentric shaft 4 counterclockwise descend reference is II 5 on the ground, which leads to the lifting of the base platform 1 from the soil and move it to its new place of work. For fields nodules of the Baltic sea, for example, the breed has a size of 5 mm, and its density 2500 kg/m3means for determining the speed of falling rocks into the hopper using the formula of Rittinger:

the chain speed Vh=1.3 m/s, Y>(0,60,43)/1,3=0,2 m

The technical result of the invention is achieved by allowing independent movement of the device by setting the working equipment on the platform of the walking mechanism, as well as placing mnogochipovoj chain with the side of the device, due to the fact that the distance between the receiving bin and scoop at the time of discharge Y>(XVo)/Vh, while ensuring correct operation mnogochipovoj chain without losses.

Device for underwater mining of minerals containing frame, the Executive authority in the form of mnogochipovoj circuit, pressure pipeline, hopper, wherein the device is further provided with a platform walking beam mechanism, with the possibility of longitudinal and transverse movement, made in the form of skis mounted on eccentric shafts, and mnogochipovoj chain attached to the chassis with the side of the device, the distance between the hopper and p is the provision of a scoop in mnogochipovoj circuit at the time of discharge must satisfy the condition Y> (X-Vo)/Vh,
where X is the distance between the falling rock and scoop, which
suitable for unloading, m;
Vo- the speed of the falling rocks in the water, m/s;
Vh- speed mnogochipovoj chain in m/s



 

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