CN2120881U

CN2120881U - Self-protection device for proventing mine slope colliding

Info

Publication number: CN2120881U
Application number: CN 92212859
Authority: CN
Inventors: 陈福新
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-05-16
Filing date: 1992-05-16
Publication date: 1992-11-04

Abstract

The utility model relates to a self-protection device for preventing mine slope colliding, particularly a mine two-hook hoisting transport safety device. The utility model buries a feet hook in advance in the place from 15 to 30 meters of a turn-off in the bottom of the slope. The hook is made to tightly draw a thin iron wire, a steel cable and a position switch handgrip. Once an erroneous path happens, as a consequence of the steel cable snaps the thin iron wire, the position switch handgrip loosens, and a contact is closed. A self-protection return circuit is actuated and the vehicle can immediately shut down and the erroneous path is reset, which can prevent the colliding accident from happening. The self-protection device for preventing mine slope colliding has simple structure, modern design, reliable performance, sensitive action, low cost, fault-free, easy maintenance, and convenient enforcement, so the utility model is suitable to the protection of preventing colliding for the mine and the slope mountain slope hoisting transport.

Description

Self-protection device for proventing mine slope colliding

A kind of slope collision automatic safety device that prevents; the utility model relates to the mine double track and promotes the transportation safety device; adopt in the inclines that double hook promotes at present in China's coal-mine, the most number average design in upper and lower turnout, shaft bottom inclined shaft apart from the shaft bottom 15 to 35 meters.When the mine car of carrying on the shaft bottom, when people's car (hereinafter to be referred as hoisting container) passes through track switch, often the tongue that spring points takes place is blocked by coal cinder or spoil, promote if continue, the hoisting container that rises will move in wrong road, at this moment if elevator is stopped, the hoisting container that hoisting container that will take place to rise on the shaft bottom and well head are transferred bumps against and the great serious accident of disconnected rope sport car.Not only threaten tunnel miner's life security, and can cause very big economic loss to country.

Present inclined shaft double hook promotes the protection of bumper car; wrong road mechanism controls when generally only having adopted hoisting container to pass through track switch is in signal; all do not have to prevent behind the mistake road protected mode of colliding from, can not make the winch automatic stopping because of not protecting automatically behind the wrong road of hoisting container; and to lean on Artificial Control; so the car accident that the inclined shaft double hook promotes is because protective value is unreliable; reasons such as means imperfection and human factor, the inclined shaft car accident still happens occasionally.

The purpose of this utility model is to provide a kind of safe and reliable winch collision automatic safety device that prevents.Protection national wealth and miner's personal safety.

Above-mentioned purpose can reach like this: at existing slope apart from 15-30 rice, turnout, shaft bottom; be provided with one and be embedded in underground lower margin hook ［ 7 ］, allow thin wire ［ 8 ］, wire rope ［ 9 ］ is the handgrip of tension travel switch ［ 10 ］ mutually; as long as the driving of wrong road takes place in the down-hole; will sever little iron wire ［ 8 ］, at this moment, travel switch handgrip ［ 10 ］ is under the effect of spring; make its contact closure; the overload protection device energising, various light, sound action.Simultaneously, in the automatically controlled forward and backward loop of hoisting gear, connected and carried out the normally closed interlock of relay, stopped immediately, and wrong road hoisting gear is resetted.

The utility model is compared with known technology has various advantages: simple in structure, and modern design, dependable performance is active in one's movements, and cost is low, fault-free, easy care, applicability is strong.

Accompanying drawing one is the wrong road of a utility model hoisting gear schematic diagram, and track switch on ［ 1 ］ shaft bottom rises hoisting container on ［ 2 ］ shaft bottom, ［ 3 ］ the signal-sending mechanism mounting points that prevents to collide, ［ 4 ］ well head is transferred hoisting container, ［ 5 ］ twin-roll hoisting gear, ［ 6 ］ winch boom hoist cable.

Accompanying drawing two is an A-A sectional drawing of the present utility model, ［ 7 ］ lower margin hook, the little iron wire of ［ 8 ］ 18#-20#, 6.3 millimeters control of ［ 9 ］ φ wire rope, ［ 10 ］ travel switch XFK, ［ 11 ］, ［ 12 ］ track.

Accompanying drawing three is that the utility model inclined shaft double hook promotes bumper car automatic safety device electric control schematic diagram; circuit wherein: (21) (22) power supply indication loop; (23) wrong road signal transmission travel switch XFK and relay ZJ loop; (24) be the shaft bottom to (29); well head; the hoist house mistake is said the optical signal loop; (30) protective device starting relay loop; (31) (32) (33) (34) circuit is the electric executing agency of bumper car automatic safety device loop; (35) hoisting gear safety return circuit (part of only drawing among the figure); (36) (37) (38) are winch rotating loop; (39) be hoisting gear pedal power brake circuit, (40) to (43) circuit is hoisting gear dynamic braking control winding electric resource loop.

Implementation method of the present utility model is: described with reference to accompanying drawing one, two, three, in double tracked incline fork ［ 1 ］ top, optimum distance is chosen in four of inclined shaft length overall/a bit ［ 3 ］, the ground payment to a porter ［ 7 ］ of a pre-buried buckle, the little iron wire of 18#～20# ［ 8 ］ is done line, be 6.3 millimeters wire rope ［ 9 ］ tension travel switches ［ 10 ］ handgrips by diameter mutually, the normal position allows the travel switch XFK contact of ［ 10 ］ disconnect.In control loop,

1, in automatically controlled forward and backward (36) (38) loop of hoisting gear, the normally closed interlock 2ZJ of relay 2ZJ is carried out in series connection ₂, 2ZJ ₇Be serially connected in hoisting gear pedal power brake circuit (39), normally open contact 2ZJ ₁(34) loop of serial connection automatic stopping time-delay relay 9SJ, and the normally closed interlock 9SJ of time-delay automatic stopping relay 9SJ ₁Seal in the safety return circuit (35) of hoisting gear electric-control system.

2, relay 4ZJ and hoisting gear are just going back to the normally open contact ZC of road (36) main contactor coil ZC ₂Series connection, the main normally open contact FC that meets device coil FC in relay 3ZJ and hoisting gear counter-rotating loop (38) ₂Series connection; The normally open contact 3ZJ of the normally open contact 4ZJ of relay 4ZJ ₄What seal in hoisting gear just goes back to road (36).

Other all is attached three described companies of figure.

Claims

1, a kind of slope collision automatic safety device that prevents, it relates to the mine double track and promotes the transportation safety device, and technical characterictic of the present utility model is:

At 15～30 meters, turnout, distance shaft bottom, be provided with one and be embedded in underground lower margin hook [7], allow thin wire [8], wire rope [9] is the handgrip of tension travel switch [10] mutually, and the optimum distance of setting up an office should be less than 1/4th of inclined shaft total length,

2, device according to claim 1 is characterized in that in automatically controlled forward and backward (36) (38) loop of hoisting gear, has connected and has carried out the normally closed interlock 2ZJ of relay 2ZJ ₂, 2ZJ ₃

3, device according to claim 1 is characterized in that carrying out the normally closed interlock 2ZJ of relay 2ZJ ₁Be serially connected in hoisting gear pedal power brake circuit (39), normally open contact 2ZJ ₁Serial connection automatic stopping time-delay relay 9SJ(34) loop, and the normally closed interlock 9SJ of time-delay automatic stopping relay 9SJ ₁Seal in the safety return circuit (35) of hoisting gear electric-control system.

4, device according to claim 1 is characterized in that relay 4ZJ and hoisting gear are just going back to the normally open contact ZC of road (36) main contactor coil ZC ₂Series connection, the main normally open contact FC that meets device coil FC in relay 3ZJ and hoisting gear counter-rotating loop (38) ₂Series connection; The normally open contact 3ZJ of relay 4ZJ ₄What seal in hoisting gear just goes back to road (36).