Slack line cableway (tower) excavator

FIELD: earth moving facilities.

SUBSTANCE: invention relates to means of transfer of soil or mineral ore. Proposed excavator has machine tower with main and additional winches, tail tower, two lengths of carrying cable secured on two drums of additional which, two strands of pull cable secured on drums of main winch, and two buckets suspended from carrying cables by means of two running trolleys. Buckets are furnished with runners. Beam is secured on tail tower by flexible tie for rocking in vertical plane. Two ends of carrying cables and two sheaves are secured on ends of said beam together with strands of pull cable being closed through sheaves and installed for rocking in said plane.

EFFECT: reduced power losses, increased capacity of excavator, possibility of operation in working out placer deposits together with other machines.

8 dwg

 

1. The technical FIELD TO WHICH the INVENTION RELATES.

The invention relates to moving ground or extracted mineral raw materials and can be used, for example, to supply processing Sands of alluvial deposits, developed by the bulldozer.

II. The LEVEL of TECHNOLOGY

The famous tower excavator, including native and tail turret, suspension and traction ropes, winch and bucket (Shorokhov S.M. in Technology and comprehensive mechanization of the development of placer deposits. M.: Nedra, 1973, s). Excavator works in the following way. Using the winch and traction rope move the bucket on a stretched between the towers carrying the rope, load it with soil near the tail of the tower and unload the machine tower. The disadvantage of this device is the limited performance because the excavator does not do useful work when returning the bucket to the place of loading.

Free of this drawback adopted for the prototype tower scraper-excavator installation including machine (head) and tail (auxiliary) tower, two segments bearing (gauge) of rope, two undercarriage with two buckets, two branches of the traction rope and two winches mounted on the machine tower: basic and additional. Both lines carrying a rope strung between the towers and with one hand still behind repleni on the tail tower, and on the opposite side - drums additional winches. Both branches of the traction rope with one hand closed over two blocks of the tail tower, and on the opposite side is fixed to the reel main winch machine tower (USSR Author's certificate No. 853020, CL E 02 F 3/54, 1981). When the work of one of the buckets is set in the area of the face, and the second in the discharge zone, so the buckets perform working strokes alternately. In the bottom of the bucket is lowered by release of the drums the primary and secondary winches. Including the drum main hoist, fill the bucket with soil and move it to the place of unloading. Then the inclusion of additional winch and tension carrying a rope bucket is raised, with the result that he tipped cutting edge down and unloaded. The second bucket at this time stops in the area of the face, and all the operations are repeated.

The advantage of the prototype is better performance, but the disadvantage of the need for additional power to drive auxiliary winch, and the complexity of the simultaneous control of two winches. The latter complicates the automation of the excavator, it is highly necessary due to inability to visually monitor the loading bucket (due to the significant distance between the face and computer-tower). Furthermore, the area under the change of the prototype is limited by the development of a fairly flat sections with homogeneous weak soils. It, for example, it is problematic to use not only for the development of alluvial mountain valleys formed strong enough rocks, but also for transportation jetting device Sands, has been produced by a bulldozer.

III. DISCLOSURE of INVENTIONS

The main task, which is aimed by the invention, is the reduction of installed power consumption working mechanisms, simplifying management excavator and automation of its work, as well as extending the scope of its application.

The essential features characterizing the device.

1. The device comprises a machine tower with primary and secondary winches, tail tower, two segments carrying a rope attached to the two drums additional winches, two branches of the traction rope fixed on two main winch drums, and two bucket suspended on the supporting ropes with two driving trucks.

2. The tail tower through a flexible connection attached to the beam with the ability to swing in a vertical plane, and the two ends of the supporting ropes and two blocks attached to the ends of this beam and together with the branches of the traction rope, closed through the blocks also have the ability to swing in a specified plane.

3. Each bucket has two runners.

4. Suspension rear part of the bucket to the undercarriage of the truck is Ipanema hinge, and the front - detachable, with locking device.

5. Machine tower contains two switch forward-reverse bucket.

The essential features, distinctive features of the prototype and then unknown author from the literature, are signs 2 and 3.

The sign of 4, although it is distinctive, but there are many other methods of fixing the bucket in position.

Sign 5 is known from the literature.

IV. BRIEF DESCRIPTION of DRAWINGS

1 shows a diagram of the tower excavator, General view.

Figure 2 - the same, top view.

Figure 3 - the tail tower, front view.

Figure 4 - bucket in the working position, General view.

V. IMPLEMENTATION of the INVENTION

The proposed device does not differ very complex and using standard components and parts can be made not only on the plant, but in well-equipped workshops.

The efficiency of the device tested by the author during the tests made by him of the prototype of a tower excavator reduced size with a capacity of 3 liter bucket

Tower excavator (1-3) contains the machine tower 1, tail tower 2, main winch with 3 reels 4 and 5, additional winch with 6 reels 7 and 8, the beam 9, is attached at its middle part with a flexible coupling 10 to the tail tower 2, two segments bearing Cana is as 11 and 12, attached to the ends of the beams 9 and on the opposite side - the drums 7 and 8 optional winch 6, two branches of the traction rope 13 and 14, is closed through the blocks 15 and on the opposite side attached to the drums 4 and 5, main winch 3, two of the carriages 16 and 17 with buckets 18 and 19.

The carriages 16 and 17 and the bucket 18 and 19 have a swivel, includes straps 20, pairwise fixed on the sides of the crosspieces 21 (figure 4). The carriages 16 and 17 contain the rollers 22, the brackets 23, the locking device 24 and the levers 25. Each bucket contains a knife 26, the runners 27 and 28 arch.

Machine tower 1 contains two switch forward-reverse bucket (not shown)designed to automatically shut down one of the main winch drum and turn on with a delay of 1-2 with the second drum of this winch.

Excavator works as follows,

The basic principle of its action is that the buckets, moving on the supporting ropes towards each other, alternately, pull up the Sands in the download area (near the tail of the tower) and unloaded in the unloading area (at the machine tower). Moreover, the lowering of the bucket for loading and tilting them to unload automatically.

During installation of the excavator before using the winch 6 will be strained bearing ropes 11 and 12, a bulldozer prepares the target towers Cana is, recessed it into the raft placers at 1 m for subsequent submission to her Sands.

Starting operation, set the bucket 18 in the loading area, and the bucket 19 in the discharge zone. When lowering the bucket 18 at the bottom of the ditch 29 driving the truck is moved forward relative to its position shown in figure 4. Therefore, the lower part of the locking device 24 is in contact with the gate 28 of the bucket 18 and rises under its influence, and the crawler body 16 rests on the arch 28. When turning drum 4 main winch 3 running trolley 16 begins to move forward, and the bucket 18 hinge suspension fractions of a second remains stationary. As a result, the bracket 23 is under the arch 28, and the locking device 24 falls freely, preventing further bucket 18 from the spontaneous discharge in case of his sudden stop during movement on the supporting rope. In the end, running trolley 16 and the bucket 18 occupy the relative position shown in figure 4, and join the movement.

The bucket 18, moving on the rails 27 on the bulk sand 30 in its movement reiterates its relief, cutting off the upper layer, and is gradually filled. Moving further along the inclined carrying a rope 11, the bucket 18 is detached from the bulk sand 30 and approaching machine tower 1. Here the lever 25 comes in contact with the structural elements of the tower 1 and lifts the locking at trojstvo 24, and the truck body 16 comes in contact with switch the direction of the bucket, causing the drum 4 winches 3 and the carriage 16 is stopped. When the bucket 18 continues to move forward by inertia. In the end arch 28 plucked from a bracket 23, the bucket 18 is tilted towards the front part down and unloaded. Then switch includes a drum 5 winches 3. The bucket 18 begins retrograde motion, and the bucket 19, came to the download area and get to the bottom of the trench 30, starts to move forward and loaded.

Automatic lowering of the buckets at the bottom of the ditch is due to the presence of the beam 9, under the influence of the vertical component of the forces acting on the ends of this beam, under the sequential approach to her empty and remove the loaded buckets. Full bucket rests on the bottom of the ditch, and the body of the truck - arch bucket by reducing tension carrying ropes, caused by the unloading of the second bucket in the machine tower. Such alignment of the tension of both cables is also due to the presence of the beam 9 and the method of its attachment to the tail tower. This ensures a different height movement of loaded and empty buckets.

Differences between devices from the prototype allows him not only to work in automatic mode, but also to reduce energy consumption. Thus, additional winch 6 during excavate the sand not included. Requires only one-time enabling her to control the length of load-bearing ropes when mounted excavator after his move to the new Parking lot. Therefore, this winch must be slow and may have a drive power of an order of magnitude lower than that of the prototype.

To reduce the power of the main winch drive in comparison with the prototype allows the buckets of runners. They prevent the penetration of the bucket in bulk sand the whole body, that would complicate its removal from Nabal after filling and would require this much higher capacity main winch drive. When using the prototype in such situations will require simultaneous operation of both winches.

The above data confirm the possibility of carrying out the invention and to obtain a significant economic effect as a result of its introduction.

Tower excavator, comprising a machine tower with primary and secondary winches, tail tower, two segments carrying a rope attached to the two drums additional winches, two branches of the pulling rope attached to the reel main winch, and two bucket suspended on the supporting ropes with two driving trucks, characterized in that the buckets are provided with skids and the tail tower through a flexible connection attached to the Alka with the ability to swing in a vertical plane, thus the two ends of the carrying ropes and two blocks attached to the ends of this beam and together with the branches of the traction rope, closed through the blocks also have the ability to swing in a specified plane.



 

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FIELD: earth moving facilities.

SUBSTANCE: invention relates to means of transfer of soil or mineral ore. Proposed excavator has machine tower with main and additional winches, tail tower, two lengths of carrying cable secured on two drums of additional which, two strands of pull cable secured on drums of main winch, and two buckets suspended from carrying cables by means of two running trolleys. Buckets are furnished with runners. Beam is secured on tail tower by flexible tie for rocking in vertical plane. Two ends of carrying cables and two sheaves are secured on ends of said beam together with strands of pull cable being closed through sheaves and installed for rocking in said plane.

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8 dwg

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SUBSTANCE: device comprises scraper, movable trestle arranged between guy ropes with movable blocks. Device also has scraper winch with head and end ropes arranged on the movable trestle. The scraper winch includes two drums with head and end ropes arranged on the drums. The ropes pass over pulleys fastened to movable trestle top. Installed on movable trestle is tension winch provided with tension cable passing over pulley. The second end of tension cable is fastened to the movable trestle. The end rope of the scraper and the tension cable are correspondingly connected with guy ropes by means of blocks associated with movable blocks of guy ropes through collars.

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Stripping aggregate // 2396394

FIELD: mining.

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9 dwg

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3 dwg

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FIELD: transport.

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