SU133843A1 - Coal mining harvester - Google Patents

Description

The proposed UPC coal miner is intended for carrying out horizontal workings with a cross section from 5.2 to 7.0 m for coal of any strength on steeply dipping seams.

The use of known roadheaders (PK-2M, PK-2, PKG-2. PKG-3, PK-3) for driving rifled workings on steeply-falling formations did not give good results due to their large weight and size.

In the combine of the proposed design, the known schemes of the position of the baffle body on the boom boom and the destruction of the coal by mills mounted on the boom are used. However, the proposed machine in comparison with the known is characterized by its small weight and dimensions. This is achieved by using a single electric motor in the combine, which is used as a boom element with the casing of the reducer body, and the milling cutters are equipped with blades and fenced with two shields, performing a reciprocating movement along the boom in a horizontal plane and automatically using a hydraulic jack in a vertical . The combine also used a copier device for conducting workings of a given shape.

FIG. 1 shows a diagram of the device of the combine, side view; in fig. 2 - the same fork. from above.

The harvester moves in a flywheel /, which has a pulsating feed from the ratchet mechanism 2, driven by a hydraulic jack. On the crawler mounted carriage 3 boom fender body. The lower front end of the carriage is connected to the frame 4 with two fingers, and the rear through two screw posts 5. A new part 6 is mounted on the vertical axis of the carriage. With the help of a horizontal swing 7, part 6 can be rotated on the B axis of the horizontal plane. On the horizontal axis of the part 6, the rear end (bracket) of the boom 8 of the body is mounted. The right and left raking shields 9 are also mounted on the horizontal axis of the part 6 on both sides;

No. 133843-- 2 —a release on this axis by means of two jacks 10. The boom 8 of the breaker body is assembled from two cutters 11, the main gearbox 12, a special electric motor 13 and a bracket 14 in which the oil pump 15 and the lifting jack 16 are placed. By means of a jack 16 The boom arm can be lowered and raised. The cutters are mounted on the shafts of the gearbox 12, which is connected to the electric motor 13 through the flange and the gear coupling. The rear flange of the electric motor is bolted to the bracket 14, which is connected to the rotary part 6 through its horizontal axis and jack 16. One end of the electric motor shaft rotates the pneumatic gearbox, the other - gear pump 15 serving all hydraulic mechanisms of the combine. In the upper part of the bracket 14 and on the upper part of the carriage a copy device is fixed, which determines the shape of the excavation and its dimensions. A hydraulic control panel 11 is fixed on the carriage on the right side of the carriage. The oil tank 18 is located on the back of the carriage. The scraper conveyor 19 is attached to the cheeks of the carriage 3. The conveyor sock and the left and right cups, 1 scraper conveyor form the selection sock. 20 The scraper shields and the selection sock constitute the loading body of the combine.

The coal fought off by the milling cutters falls on the selection toe and is routed to the receiving part of the scraper conveyor with raking shields.

The conveyor drive 21 is hydraulic, consisting of a hydraulic motor and a gearbox, located on the right side of the discharge part of the conveyor.

The work of the combine is as follows. When the feed is turned on, the baffle body automatically makes swinging movements, forming a cut in the top of the bottom. After the cut-off has been formed, when the feed is turned off, the swinging of the rocker body is lowered, and the bulk of the coal is removed.

The demolition of the breaker body is carried out automatically by the amount of chips B at the extreme positions of the working member. Roof cleaning is done by shovels located on the mills.

Subject invention

Claims (3)

1. A crawler-mounted coal-mining harvester with a fender body in the form of two rotating cutters mounted on horizontal shafts of the front part of the boom, performing swinging movements in the horizontal plane and boom in the vertical plane during development, characterized in that, in order to simplify the design , reducing the weight and size, ease of installation and disassembly, for rotation of the milling cutters and actuation of the oil pump, hydraulic control system of the movement of the working body and the crawler, in a combine One electric motor is not used, the electric motor and the casing of the fender body reducer are used as boom elements, and the pump is connected to a stationary oil tank located on the body of the combine with a flexible oil pipe. 2. Combine pop. 1, characterized in that, in order to load coal recovered from the array onto the conveyor and prevent its spreading, the milling cutters mounted on the boom boom are equipped with paddles and fenced with two shields, each flap reciprocating to and from the fender body horizontal plane and automatically with the help of a hydrojack - in the vertical. 3. Combine no. 1, characterized by the fact that, in order to carry out workings of a given shape, a copying device was used in it.