CN202608797U - Double-rail and single-wedge brake system for slope tramroad transport - Google Patents

Abstract

The utility model relates to a mine car rail transportation, in particular to a double-track single wedge braking system for inclined shaft mine car rail transportation, which belongs to the technical field of mine safety. The brake system includes a frame with a pull rod on the frame and a brake spring at the lower end of the pull rod. The pull rod is connected with a connecting rod through a bolt, and guide rods are respectively provided at both ends of the connecting rod; the upper and lower ends of the guide rod There are respectively guide rod supports, on which springs and sliding rollers are fixed by adjusting bolts; there are also movable wedges and fixed wedges on the guide rods, wherein there are convex wings below the movable wedges. Once a rope breakage accident occurs in the winch that pulls the mine car group, the brake car installed between the two mine cars will drive the moving wedge to move under the action of the spring force, and the moving wedge will be wedged between the fixed wedge and the track. During this period, the brake car is stuck on the track, so as to realize the braking of the entire mine car group.

Description

A dual-track single-wedge braking system for inclined shaft mine car rail transportation

technical field

The utility model relates to a mine car rail transportation, in particular to a double-track single wedge braking system for inclined shaft mine car rail transportation, which belongs to the technical field of mine safety.

Background technique

Inclined mine car rail transportation is a transportation method widely used in coal mines and other mines. Its transportation mode is to pull the mine car group by a winch installed above the inclined shaft. Due to various reasons, the traction wire rope is often prone to breakage. A safety accident that caused a car crash. Mine has adopted multiple anti-car systems at present, but all there is such and such defective, can not form a kind of perfect solution.

Contents of the invention

The purpose of this utility model is to overcome the shortcomings of the above-mentioned prior art and provide a double-track single-wedge brake system for inclined shaft mine car rail transportation. The brake car can brake the mine car group on the car track when the rope is broken, and brake the mine car group on the brake track through the brake car, so as to avoid the occurrence of safety accidents.

The utility model is realized through the following technical scheme: a double-track single-wedge brake system for inclined shaft mine car rail transportation, which is characterized in that: the brake system includes a frame with a pull rod on the frame, and a draw bar at the lower end of the pull rod. The moving spring, the pull rod is connected with a connecting rod through a bolt, and there are guide rods at both ends of the connecting rod; the upper and lower ends of the guide rod are respectively provided with a guide rod support, and the guide rod support is fixed with a spring, Sliding rollers; there are also movable wedges and fixed wedges on the guide bar, wherein there are convex wings under the movable wedges.

There is also a manual key on the described frame, and a key baffle is arranged on the brake key.

The guide rod is supported by the guide rod support, the guide rod support is fixed on the frame, the guide rod support is provided with a rectangular hole, and the guide rod of the square section can be moved in this length under the action of the spring and the sliding roller. The hole moves in a direction parallel to the axis of the wheel.

The connecting rod is hinged on the frame through a pin shaft.

The key baffle is fixed on the frame by adjusting nuts.

The front end of the pull rod is connected with the mine cart circular chain through a pin shaft.

The beneficial effects of the utility model are: once a rope breakage accident occurs in the winch of the traction mine car group, the brake car installed between the two mine cars will drive the moving wedge to move under the action of the spring force, and the moving wedge will The wedge is wedged between the fixed wedge and the track, and the brake car is stuck on the track, so as to realize the braking of the entire mine car group; when the traction winch is pulled, under the action of traction, the movable wedge moves from the fixed wedge Exit in the wedge-shaped space between them to separate the brake car from the track, so as not to hinder the traction of the mine car group by the winch; the brake system can be turned off by the manual key during the transportation of the roadway, and the brake car does not have a braking effect , the minecart set can be freely transported.

Description of drawings

Below according to accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a view from direction B in Fig. 2;

Among the figure: 1, pull rod, 2, frame, 3, pin shaft, 4, brake key, 5, key bezel, 6, adjusting nut, 7, pin shaft, 8, connecting rod, 9, wheel, 10, Fixed wedge, 11, moving wedge, 12, sliding roller, 13, spring, 14, adjustment bolt, 15, guide rod support, 16, guide rod, 17, braking spring.

Detailed ways

As shown in the figure: a double-track single-wedge braking system for inclined mine car rail transportation, the braking system includes a frame 2, a pull rod 1 is arranged on the frame, and a brake spring 17 is arranged at the lower end of the pull rod. A connecting rod 8 is connected by a bolt, and a guide rod 16 is arranged at both ends of the connecting rod; a guide rod support 15 is respectively arranged at the upper and lower ends of the guide rod, and a spring 13 and a sliding roller 12 are fixed on the guide rod support by adjusting bolts. ; There are also movable wedges 11 and fixed wedges 10 on the guide rod, wherein there are convex wings under the movable wedges 11 .

Also have manual key 4 on the described frame, and key bezel 5 is arranged on the brake key.

Described guide rod 16 is supported by guide rod bearing 15, and guide rod bearing is fixed on the frame 2, has rectangular hole on the guide rod bearing, and the guide rod of square section can be in spring 13, sliding roller 12 Under the action, it moves in the long hole in a direction parallel to the axis of the wheel.

Described connecting rod 8 is hinged on the frame by bearing pin 7.

The key baffle 5 is fixed on the frame by adjusting nuts 6 .

The front end of the pull rod is connected with the mine car circular link chain through the pin shaft 3 .

Working process: When it is used in more than two mine car groups, the brake car with this braking system is connected between the first two mine cars of the mine car group. When there is only one mine car, the brake car is placed on the Before the minecart. The connection between the mine car group is to connect with the back mine car pin shaft through the three-section circular link chain at the tail of the front section mine car. The braking process of the broken rope of the brake car: when the traction wire rope breaks and the circular link chain connecting the brake car and the front mine car loses traction and becomes slack, the pull rod 1 drives the connecting rod 8 around the pin shaft under the action of the brake spring 17 7 rotates, and the connecting rod 8 drives the guide rod 16 to move. Since the guide rod 16 and the movable wedge 11 are welded together, the movement of the movable wedge 11 is driven, and the movable wedge is brought into the gap between the fixed wedge 10 and the track. The wedge-shaped space, because the angle of the wedge is less than twice the equivalent friction angle, has self-locking performance, thereby realizing the braking of the brake car. The movable wedge has a protruding wing that blocks the lower edge of the upper section of the track, and through the joint action with the wheel of the braking vehicle, the movement of the braking vehicle in this direction is limited. Through the constraints in these two directions, in the event of a short rope, the brake car is wedged tightly on the track, thereby realizing the braking of the mine car group.

The brake car stops and brakes the action process: when the traction winch is towed, the front section of the mine car drives the pull rod 1 to move relative to the brake car through the circular link chain, and the pull rod 1 compresses the brake spring 17 and drives the connecting rod 8 to rotate around the pin shaft 7. The rod 8 drives the guide rod 16 and the moving wedge 11 to move, so that the moving wedge is taken out of the wedge-shaped space composed of the track and the fixed wedge, and under the action of the spring 13 and the sliding roller 12, the moving wedge is pushed away from the track , thus releasing the constraint between the brake car and the track, and the traction winch can drive the mine car group to travel freely.

The automatic process of braking the car in the alley: in the alley, the manual key baffle plate 5 is blocked the manual key 4 at this position, the action process of the brake car is the same as the brake car stop braking action process, and the brake car does not produce braking.

Claims (6)

1. slope vehicle rail transport double track list voussoir brake system; It is characterized in that: this brake system includes frame (2); Pull bar (1) is arranged on the frame; There is retarding spring (17) the pull bar lower end, and described pull bar has connecting rod (8) through bolted connection, and the connecting rod two ends have pilot bar (16) respectively; Described pilot bar has pilot bar bearing (15) respectively in two ends up and down, through regulating bolt spring (13), slider roller (12) is arranged on the pilot bar bearing; Also have moving voussoir (11) on the described pilot bar and decide voussoir (10), wherein there is the protruding wing below of moving voussoir (11).

2. a kind of slope vehicle rail transport double track list voussoir brake system according to claim 1 is characterized in that: also have manual key (4) on the described frame, braking has key baffle plate (5) on the key.

3. a kind of slope vehicle rail transport double track list voussoir brake system according to claim 1; It is characterized in that: described pilot bar (16) supports through pilot bar bearing (15); The pilot bar bearing is fixed on the frame (2); Have oblong aperture on the pilot bar bearing, the pilot bar of square section can move along the direction that is parallel to wheel axis in this slotted hole under the effect of spring (13), slider roller (12).

4. a kind of slope vehicle rail transport double track list voussoir brake system according to claim 1, it is characterized in that: described connecting rod (8) is articulated on the frame through bearing pin (7).

5. a kind of slope vehicle rail transport double track list voussoir brake system according to claim 1, it is characterized in that: described key baffle plate (5) is fixed on the frame through adjustment nut (6).

6. a kind of slope vehicle rail transport double track list voussoir brake system according to claim 1 is characterized in that: described pull bar front end is connected with the mine car round-link chain through bearing pin (3).

Images