brake minecart

Abstract

The invention relates to a mine car capable of being braked, comprising a mine car underframe and two wheel pairs of the mine car, wherein the mine car underframe between the two wheel pairs of the mine car is provided with four brake assemblies respectively corresponding to four wheels as well as two transmission shafts in the same direction with wheel pair shafts of the mine car; brake beams in the same direction with the transmission shafts are arranged above the transmission shafts; two ends of the brake beams are respectively connected with the brake assemblies at two sides; the brake beams are connected with brake beam supports; the brake beam supports are connected with the wheel pair shafts of the mine car through shaft block hoops; the mine car underframe is provided with brake arms and transmission rods respectively corresponding to each brake assembly; the brake arms are articulated with the transmission rods; a driving arm, a conjugate arm and an unlocking arm of each brake assembly are respectively installed on a transmission shaft in an assembly shell; and the driving arms are articulated with the transmission rods. The mine car capable of being braked, provided by the invention, can be urgently braked when being pushed in a flat tunnel, can be parked in an oblique tunnel with a relatively small gradient, and can be prevented from sliding in an oblique tunnel with a relatively large gradient.

Description

technical field [0001] The invention relates to a brakeable mine car, in particular to a brakeable mine car capable of realizing emergency braking of a trolley in a level alley, parking in an inclined alley with a small slope, and anti-sports car in an inclined alley with a relatively large slope. Background technique [0002] The operation of mining vehicles on the roadway, uphill and downhill tracks has become a major source of danger for enterprise transportation accidents. When the manpower carts are moving, they cannot stop in time, the vehicles placed on the slopes slide, and the ropes are broken or unchained during the up and down mountain transportation. Vicious accidents caused by out-of-control mining vehicles are not uncommon. In order to prevent transportation accidents such as broken ropes, sports cars, and overspeeding of mining vehicles, the existing protective devices mainly have the following four forms. No matter from the operation method, principle applicat...

AI Technical Summary

Problems solved by technology

[0002] The operation of mining vehicles on the roadway, uphill and downhill tracks has become a major source of danger for enterprise transportation accidents. When the manpower carts are moving, they cannot stop in time, the vehicles placed on the slopes slide, and the ropes are broken or unchained during the up and down mountain transportation. Vicious accidents caused by out-of-control mining vehicles are not uncommon. In order to prevent transportation accidents such as broken ropes, sports cars, and overspeeding of mining vehicles, the existing protective devices mainly have the following four forms. No matter from the operation method, principle application, control There are different shortcomings and deficiencies in the way and structure, etc., and the occurrence of mine car accidents has not been fundamentally eliminated, such as:

[0003] (1) The car stopper is the most widely used anti-running device at present. The problem is that the device is installed on the rail surface or between two rails. It is effective, but it is not ideal for the mine car that hits at a higher speed, often causing the mine car to fall off the road or overturn, and even cause secondary injury accidents. It is a passive anti-car device

[0004] (2) The special anti-car device for inclined shafts has the problem of relying on power sources such as electricity, gas, and hydraulics, and the signal transmission is also affected by the environment, so the possibility of failure always exists; the volume is huge, and it takes up roadway space; The structure is relatively complicated, and the maintenance workload is relatively large; it is fixedly installed in the roadway, and even if it can play a role in the event of a sports car accident, it is often destroyed or disabled by itself, and the mine car will also fall or overturn, which may also lead to secondary accidents. The possibility of an accident is a passive anti-car device

[0005] (3) The locomotive anti-overspeed protection device has the problem that it is powerless to "off the chain" of a certain mine car and lose control. In addition, this kind of braking device often depends on sleepers or tracks. The hardened pavement has no application value

[0006] (4) The single anti-running device, the existing problem is that the way to realize the braking of the single mine car is still not separated from the "insert pillow" or "clamping rail", whether it is centrifugal or intelligent, their braking signal It all comes from the detection of the sliding speed of the mine car, that is to say, the mine car has already fallen at a high speed when the braking starts. These braking devices lose their application value in the hardened roadway because there are no sleepers and rails. ; Even if the roadway on the unhardened road surface can be used, there is also the possibility that the mine car will drop or tip over due to the high running speed of the mine car and then cause a secondary accident. It is difficult to realize parking in inclined lanes, and it is impossible to fundamentally avoid vicious accidents such as mine car collisions, human-vehicle collisions, etc.

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