RU178978U1 - BOTTOM DEVELOPMENT DEVICE FOR COLLECTING IRON-MANGANGEOUS CONCRETES FROM THE SEA BOTTOM - Google Patents

Abstract

The utility model relates to mining, in particular to devices for underwater mining. The device can be used in the mining industry. A device for collecting ferromanganese nodules from the seabed contains a surface craft, a transporting organ, and a bottom mining device. A distinctive feature of the device is that the transporting body is made in the form of a cable cable, and the bottom mining device includes a receiving hopper, rigidly connected to the stand located inside the central pin, the lower part of which is pivotally connected to two L-shaped levers, at the ends of which are located vacuum grips of ferromanganese nodules, and the upper part by means of hydraulic cylinders is pivotally connected to the tops of the L-shaped levers and equipped with a gear rim, which engages with two mja drive gear mounted on the rack, and the rack is rigidly connected with the carrier part of the cable-rope.

Description

The utility model relates to mining, in particular to devices for underwater mining. The device can be used in the mining industry.

A well-known installation for the extraction of ferromanganese nodules (I. Timofeev Walking machines for the development of seabed resources / Leningrad: Publishing house of the Leningrad University, 1987. - 176 p. 9-11), equipped with a surface craft, a transporting body, a bottom mining collection device with hopper for filling buckets mounted on a traction rope. The mining device is mounted on a slide, equipped in front with a knife-ripper, has a bottom in the form of a screen grill, it moves with a rope. The movement of the mining device along the bottom and the scoops on the rope is controlled from a surface craft.

The disadvantages of this installation are low productivity, which directly depends on the width of the buckets, low enrichment coefficient of nodules at the bottom, which leads to the lifting of a large amount of waste rock, tangling of the branches of the traction rope due to their free sagging, disturbance of the environmental situation during the lifting of filled buckets.

A device for the extraction of nodules from the sea shelf (patent SU No. 95112283, publ. July 20, 1997) containing a surface craft with equipment installed on it to ensure the operation of the device, the conveying circuit with buckets, towing rope, bottom mining device in the form of one and a half mounted on a sled.

The disadvantage of this device is the significant loss of mineral during transportation due to the free hanging of the branches of the conveying circuit.

A known installation for mining from the bottom of the water area (RF patent No. 2203421, publ. 04/27/2003), including a surface craft with the necessary devices to maintain life support and maintenance staff and power supply and complex management, a hydraulic lift pipeline, a bottom machine tracked with a drum executive.

The disadvantages of this installation are the difficult control of the bottom mechanism associated with increased environmental clouding during the operation of the caterpillar chain, limited system performance due to the need to reduce the diameter of pipelines when working at great depths, and the possibility of filling the pipeline.

A device for the selective selection and preliminary enrichment of ferromanganese nodules (RF patent No. 2375578, publ. 10.12.2009), adopted for the prototype, including a surface craft, a transporting organ, bottom mining device in the form of a drum with longitudinal grooves on the outer surface.

The disadvantage of this device is the inability to conduct production at great depths, low plant productivity due to the limited width of the drum, high turbidity in the area of work.

The technical result of the invention is to eliminate these drawbacks, namely, ensuring the extraction of ferromanganese nodules at significant depths (up to 5000 m), eliminating turbidity in the mining zone and increasing the productivity of the installation.

The technical result is achieved by the fact that the transporting body is made in the form of a cable, and the bottom mining device includes a receiving hopper in the form of a truncated cone, rigidly connected to a rack located inside the central pin, the lower part of which is pivotally connected to two L-shaped levers at the ends of which there are vacuum grips of ferromanganese nodules, and the upper part, by means of hydraulic cylinders, is pivotally connected to the tops of the L-shaped levers and is equipped with a ring gear included in tseplenie with two drive gears mounted on the rack, and the rack is rigidly connected with the carrier part of the cable-rope.

A device for collecting heavy ferromanganese nodules is illustrated by the following figures:

FIG. 1 is a general view of a device for collecting heavy ferromanganese nodules;

FIG. 2 is a General view of the bottom mining device;

FIG. 3 - general view of the vacuum capture;

FIG. 4 is a bottom view of a vacuum grip, where:

1 - a watercraft;

2 - cable cable;

3 - bottom mining device;

4 - lifting winch;

5 - the central pin;

6 - a rack;

7 - receiving hopper;

8 - supporting flange;

9 - surface of the seabed;

10 - the tip of the rack;

11, 12 - bearings;

13 - hinge;

14 - L-shaped lever;

15 - the top of the L-shaped lever;

16 - a rod of a hydraulic cylinder;

17 - a hydraulic cylinder;

18 - vacuum capture;

19 - case;

20 - electric motor;

21 - pump;

22 - elastic plate;

23 - conical hole;

24 - ferromanganese nodule;

25 - clearance;

26 - check valve;

27 - rotation mechanism;

28 - ring gear;

29 - drive gear;

30 - support;

31 - pipe;

32 - drive station.

The bottom mining device for collecting ferromanganese nodules from the seabed (Fig. 1) includes a surface craft 1, a cable rope 2, a bottom mining device 3. A cable cable 2 is connected to a lifting winch 4 mounted on the craft 1.

The bottom mining device 3 (Fig. 2) contains a central pin 5, inside of which there is a stand 6, rigidly connected to the receiving hopper 7. The stand 6 is made with a supporting shoulder 8, on which the pin 5 rests. For reliable fixation of the hopper 7 on the surface of the seabed 9, the end of the strut 6 is made in the form of a tip 10, which penetrates into the bottom surface when lowering the bottom mining device 4.

The axle 5 rests on the shoulder 8 of the rack 6 and is movably connected to it by bearings 11 and 12 with the possibility of rotation about the axis of the rack. The lower part of the central pin 5 by hinges 13 is connected to two L-shaped levers 14, diametrically located relative to each other. The tops of the 15 L-shaped levers 14 are pivotally connected to the rods 16 of the hydraulic cylinders 17, pivotally mounted in the upper part of the pin 5.

At the ends of the L-shaped levers 14 are fixed vacuum grips 18 ferromanganese nodules. In the housing 19 (Fig. 3) of the vacuum gripper there is an electric motor 20 in an oil bath and a pump 21.

The base of the vacuum capture is made in the form of a removable elastic plate 22 on the surface of which through-cone holes 23 are evenly distributed (Fig. 4), the size of which depends on the diameter of the extracted ferromanganese nodules 24 (Fig. 2), the data of which are obtained on the basis of exploration studies of the bottom space .

Between the elastic plate 22 and the housing 19 there is a gap 25, the width of which is selected depending on the elasticity of the plate 22. The conical holes 23 are equipped with check valves 26, locking the holes in the absence of nodules.

To enable rotation of the vacuum grippers 18 relative to the axis of the rack 6, in order to change their position relative to the receiving hopper 7, the Central pin 5 is equipped with a turning mechanism 27 (Fig. 2), including a gear ring 28, which engages with the drive gears 29 placed on support 30, rigidly mounted on the rack 6.

The hydraulic cylinders 17 using a network of nozzles 31 are connected to the drive station 32, also mounted on a support 30.

Rack 6 is connected to a carrier cable 2 connected to the winch 3 of the ship 1.

The proposed device for collecting heavy ferromanganese nodules works as follows. The bottom production device 3 from the watercraft 1 by means of a cable rope 2, is lowered into the bottom region (Fig. 1). The support of the device at the bottom is the hopper 7, while the tip 10 of the rack 6 is embedded in the surface of the seabed and reliably fixes the position of the hopper 7. L-shaped arms 14 with vacuum grips 18 occupy the upper (transport) position (indicated by a dotted line) (Fig. 2) . When pressure is applied from the drive station 32 to the piston zone of the hydraulic cylinders 17, the rods 16 extend and the L-shaped levers rotate relative to the centers of the hinges 13 until the vacuum grippers come in contact with the bottom surface 9. Next, the electric motors 20, which are powered by the cable cable 2, include pumps 21 vacuum grippers 18. Water from the cone holes 23 of the elastic plate 22 along the longitudinal gaps 25 is pumped out by the pump 21, as a result of which there is a vacuum across the entire surface of the gripper in the zone of the conical holes 23. Thanks to the cut eniyu occurs capture and hold 24 concretions on the surface of the elastic plate 22. In the absence of nodules in any of tapered apertures check valve 26 leaves its locked position.

After the nodules are captured by 24 vacuum grippers 18, the hydraulic cylinders 17 rotate the L-shaped levers 14 with vacuum grippers in a position convenient for unloading (Fig. 2). In this case, the vacuum grips are located above the receiving hopper 7. As soon as the vacuum grips 18 are above the surface of the receiving hopper, the pumps 21 are turned off and heavy ferromanganese nodules fall under the influence of their own weight into the receiving hopper 7. Next, turn the rotary mechanism 27 and turn the central pin 5 together with fixed on it by L-shaped levers 14 with vacuum grippers 18 and hydraulic cylinders 17 at a certain angle corresponding to the new position of the grippers.

After the area around the receiving hopper 7 is completely processed, and the hopper 7 is completely filled, with the help of a cable cable 2, the bottom mining device is lifted to the surface craft 1.

The mined ferromanganese nodules raised to the boat 1 are stored in holds and then transported ashore with barges for further processing.

Thus, the proposed device allows for the extraction of ferromanganese nodules at significant depths (up to 5000 m), to increase the productivity of the installation by eliminating multiple tripping operations, since nodules are pre-accumulated in the receiving hopper until it is completely filled, while the relief of the seabed is not disturbed capture of nodules, which eliminates turbidity in the zone of mining deposits.

Claims (1)

Bottom mining device for collecting ferromanganese nodules from the seabed with the ability to connect with a transporting body made in the form of a cable rope, characterized in that it contains a receiving hopper in the shape of a cone, rigidly connected to a rack located inside the central journal, the lower part of which is pivotally connected with two L-shaped levers, at the ends of which there are vacuum grips of ferromanganese nodules, and the upper part is pivotally connected to the vertices of the G-shaped image by means of hydraulic cylinders GOVERNMENTAL levers and is provided with a toothing meshing with two drive pinions mounted on the rack, wherein the rack is adapted to rigid connection to the support part of a cable-rope.

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