35results about How to "Prevent sports car accidents" patented technology

The invention belongs to the technical field of designing and manufacturing of underground auxiliary transportation devices used under coal mines and provides a mining automatically-moving equipment train capable of stepping forward along a roadway to achieve underground transportation along roadways of the coal mines. The mining automatically-moving equipment train capable of stepping forward along the roadway comprises a front anchoring and pulling device, a rear anchoring and pulling device, a flat car and an expansion pipe cable bearing system, wherein the front anchoring and pulling device and the rear anchoring and pulling device are erected on an anchoring frame guide rail, the flat car is erected on a flat car guide rail, a forward-pushing jack is arranged at the front end of the front anchoring and pulling device, the rear end of the front anchoring and pulling device is connected with the flat car through a backward-pushing jack, the front end of the rear anchoring and pulling device is connected with the flat car through a pushing jack, and the rear end of the rear anchoring and pulling device is connected with the expansion pipe cable bearing system through a connecting pipe. The mining automatically-moving equipment train capable of stepping forward along the roadway has the advantages of being flexible, convenient to use and the like; equipment movement efficiency and safety are improved, equipment movement time is shortened, frequent rail laying and pulling transportation are avoided for workers, the labor intensity of the workers is relieved, and it can be guaranteed that the equipment train can travel on a ramp with the gradient being +/- 10 degrees.

The invention belongs to the technical field of design and manufacturing of coal mine underground auxiliary transportation equipment in order to solve the transportation problem of a coal mine underground big-gradient crossheading roadway, and provides a big-gradient crossheading step-forward self-moving equipment train. The equipment train comprises a front anchoring, pulling and moving device, a middle anchoring, pulling and moving device, a rear anchoring, pulling and moving device, platform trolleys, advancing jacks and a pipe cable telescopic bearing system, wherein a front advancing jack is arranged at the front end of the front anchoring, pulling and moving device, the rear end of the front anchoring, pulling and moving device is connected with the platform trolleys through rear advancing jacks, the two ends of the middle anchoring, pulling and moving device are connected with the platform trolleys through the corresponding advancing jacks, the front end of the rear anchoring, pulling and moving device is connected with the platform trolleys through the corresponding advancing jacks, and the rear end of the rear anchoring, pulling and moving device is connected with the pipe cable telescopic bearing system through connecting rods. The train self-moving function, the walking deviation adjusting function, the pipe cable self-moving function and the like are highly integrated for the equipment train, and therefore the equipment train can step forward to move by itself when the gradient of the crossheading roadway is +/-25-degrees, slippage of equipment is effectively prevented, and it is guaranteed that the equipment train safely works in the big-gradient roadway.

The invention relates to an energy-consumption energy absorber capable of automatically changing the resistance, which is mainly applied to a protective device of an inclined shaft runaway car in the field of mines. The energy-consumption energy absorber comprises a right bracket, a center screw, a roller and a left bracket and is characterized in that threads are arranged at one end of the center screw; the center screw is in threaded connection with the right bracket and the roller; the other end of the center screw is connected with a sleeve through a key; the sleeve is embedded with a shaft sleeve and is arranged on the left bracket; one side of a camping plate is connected with the shaft sleeve and the other side of the clamping plate is connected with a compression spring; the other end of the compression spring is arranged inside the right bracket; a movable friction dynamic friction plate is arranged on the inner surface of the roller and is alternately connected with a static friction plate arranged on the shaft sleeve; two steel wire ropes are uniformly wound on the outer surface of the roller and are positioned by rope-pressing blocks; and the right bracket and the left bracket are fixedly connected by anchor bolts. The invention has the advantages of the performance of automatically changing the resistance according to the impact energy of external load, strong reliability, high impact-resistant energy and capability of effectively avoiding car runaway accidents.

The invention belongs to coal mine transport devices, and particularly relates to an inclined roadway tramcar which solves the problem that the sliding down accident is likely to happen in a transport roadway. The inclined roadway tramcar comprises a frame. wheel axles are arranged at the bottom of the frame, wheels are connected to the two ends of each wheel axle, wheel teeth are arranged on the wheel axles, auxiliary axles parallel to the wheel axles are arranged on the frame and can freely rotate, clamping blocks are fixed on the auxiliary axles, one ends of the clamping blocks are meshed with the wheel teeth, the dip angle of the clamping blocks is positive when the clamping blocks are meshed with the wheel teeth, springs are fixedly connected with the auxiliary axles, and the other end of each spring is a movable end and can be fixed at different positions of the frame. When the inclined roadway tramcar is used for lifting various devices, rotation of the wheels can be automatically locked, and the sliding down accident under various conditions is avoided. When the tramcar is parked, the tramcar is prevented from sliding in lateral directions.

The invention relates to a car-sliding-prevention self-adjusting buffer system for transportation on an oblique alley and application of the system. The system comprises a mine car lifting winch, a car barrier lifting system and a car barrier buffer system; through sensors arranged on an upper car yard, the oblique alley, a lower car yard and a mine car, conditions of the mining car during transportation on the oblique alley of a coal mine are monitored in real time and transmitted to a controller through a signal repeater arranged along the oblique alley, and the controller collects data of each sensor to judge whether or not there is an accident during transportation and controls each subsystem to make corresponding actions and adjustments to prevent occurrence of the accident. The car barrier buffer system is additionally arranged in a car sliding prevention device, so that the buffering process is more stable and controllable. At the same time, a buffer device in the car barrier buffer system adopts a magnetorheological buffer for cooperating with a pressure sensor and a speed sensor, so that the problem is solved that buffering forces of conventional car barrier system cannotbe automatically adjusted according to the weight of mine cars and the speed of the mine cars.

The invention discloses a buffer connection device for a vehicle and application of the buffer connection device. The device comprises a connection rod, wherein one end of the connection rod is arranged in a vehicle roof in a sleeving manner; a guiding frame body connected with a vehicle end plate to form an integrated structure is arranged on the connection rod in a sleeving manner; the other end of the connection rod is connected with a buffer stop; when the buffer stop is stressed, the connection rod is pushed and slides relative to the guiding frame body; an elastic piece is sleeved at a position, which is located between the vehicle roof and the guiding frame body, outside the connection rod. According to the buffer connection device for the vehicle, the connection rod is connected with the buffer stop, so that soft connection is realized, and protection of a vehicle structure is facilitated; when arranged between the vehicle end plate and the vehicle roof, the connection device disclosed by the invention is simple in structure; the connection rod can slide between the vehicle end plate and the vehicle roof, so that energy can be buffered, and reliable connection can be realized.

The invention provides a monorail crane mechanical type anti-skid device, and relates to the technical field of mechanical transportation of coal mine monorail cranes. The monorail crane mechanical type anti-skid device comprises monorail crane beams, a monorail crane pulley block, an anti-skid device body, a traction winch and a transport box. The monorail crane beam is fixedly connected with a roadway roof through a connecting ring, the monorail crane pulley block is slidably connected with the monorail crane beams, and the traction winch drives the monorail crane pulley block to slide; themonorail crane beams are sequentially connected by a plurality of I-beams through a first connecting piece, the anti-skid device body is arranged at the rising sections of the monorail crane beams onone side of the monorail crane pulley block, and the anti-skid device body is connected with the monorail crane pulley block through a second connecting piece; and when the monorail crane pulley blockslides down, the monorail crane pulley block is pulled by the second connecting piece, and the anti-skid device is clamped to the first connecting piece. A mechanical braking mode is adopted in the monorail crane mechanical type anti-skid device to prevent monorail crane pulleys from sliding down automatically in the lifting process in real time, the automatic capture of the anti-skid performanceis achieved, and the protection and safety of safe transportation in inclined lanes are improved.

An automatic resetting car stop for a mine oblique lane comprises a stop block, a pin shaft, a jack, a counterweight, a box body and so on. The box body is connected with the stop block through the pin shaft; an iron block is arranged under the stop block as the counterweight and can rotate with the pin shaft as axis; and the stop block is vertical to a rail and has a car stopping effect. The jack is mounted at the tail end of the box body, the jack extends out and retracts back to control the stop block to rotate, and the jack is mounted on an oblique lane special transporting rail through a bolt. The maximum advantage of the invention is that the automatic resetting car stop can automatically reset; and that is to say that the car stop can automatically reset without manual operation after a mine car passes and the car stop is kept in a use state at any time; therefore, derailing accidents are effectively prevented, underground oblique lane safety transportation is ensured, great safety benefits can be created for mine enterprises, and very high practical and promotion values are realized.

The invention discloses a rail clamping self-locking type anti-running device for a mine vehicle. The device comprises a left braking rocker arm, a right braking rocker arm, left fixed angle iron, right fixed angle iron, a braking rocker arm hinge shaft, a left rocker arm sliding sleeve, a right rocker arm sliding sleeve, a left braking claw connecting block, a right braking claw connecting block, a left braking claw connecting block pin shaft, a right braking claw connecting block pin shaft, a left braking claw truss, a right braking claw truss, a left braking inner claw, a left braking outer claw, a right braking inner claw, a right braking outer claw, a left suspension rope, a right suspension rope, a left braking rope and a right braking rope. According to the device, a mechanical structure is adopted, so that the device is simple in structure, convenient to implement, low in manufacturing cost, easy to maintain and long in service life; a rocker arm mechanism self-locking principle is utilized, and the mine vehicle is braked in a rail clamping way, so that the risks of turnover, derailment, braking failures, secondary damage and the like are eliminated, and running accidents of the mine vehicle can be effectively prevented.

The invention discloses an environmental-friendly safety detection device for a vertical circulating stereo garage. A garage base plate and vehicle loading plates are included. The vehicle loading plates are located at the top end of the garage base plate, a solar panel assembly is arranged at the top of the garage base plate, and hydraulic lifting rods are fixedly connected between the garage base plate and the solar panel assembly; a pressure sensor is arranged on an inner cavity of the vehicle loading plates, and a GPS locator is fixedly installed at the bottom ends of the vehicle loading plates; the GPS locator is electrically connected with the pressure sensor, one end of the GPS locator is electrically connected with a battery, and the battery is connected in series with the solar panel assembly; and the other side of the pressure sensor is electrically connected with an alarm, and the alarm is arranged on the side face wall of the solar panel assembly. According to the environmental-friendly safety detection device for the vertical circulating stereo garage, the structure is simple, power consumption can be effectively lowered, thus resources are saved, safety of vehicles isconveniently ensured, safety and reliability are achieved, workers conveniently check the situation in time, stability of the vehicles is improved, and operation is convenient.

The invention discloses an inclined roadway car arrester for mine construction in the technical field of car arresters. The car arrester comprises a car arrester base. Grooves are formed in the left end and the right end of the car arrester base. A sliding rail is connected into the groove in a sliding manner. When the transport vehicle arrives at a designated position, in order to avoid maloperation of transport vehicle, the arc-shaped clamping knife and the connecting rod are pulled downwards, the clamping assembly descends to the top of the sliding rail, and then the T-shaped clamping blockis pulled outwards. A gap between the two groups of clamping blocks is increased, and the sliding rail enters between the two groups of clamping blocks. Then the T-shaped inserting rod is loosened. The T-shaped inserting rod pushes the two groups of clamping blocks towards the direction of the sliding rail under the reset effect of the reset spring. When the arc-shaped clamping knife descends tothe ground to be clamped, the convex surface of the convex block rotates to the bottom to press the exterior of the movable block downwards, at the moment, the spring is compressed, the movable blockdescends to enable the movable rod to drive the car stopping clamp to move in the direction of the sliding rail, the sliding rail is clamped, and a car sliding accident is avoided.

The invention discloses a vehicle running prevention device for an endless rope towing vehicle. The vehicle running prevention device comprises a base fixing plate II, a base fixing plate I, a speed measurement system, an information processing system, an electric control system, an actuation system, a tripping device and an insertion claw braking device, wherein the tripping device comprises a cam, a tripper hook and a detacher hook pin; the insertion claw braking device comprises an insertion claw, an insertion claw hook pin and an insertion claw pin shaft; the actuation system comprises a driving motor and a motor wiring box; the motor wiring box is mounted on the base fixing plates; the driving motor is mounted in the motor wiring box; the driving motor is mounted on the base fixing plates and is connected with the electric control system; the electric control system is connected to the information processing system; and the information processing system is connected to the speed measurement system. The vehicle running prevention device for the endless rope towing vehicle effectively solves the accident of rope breakage vehicle running of the endless rope towing vehicle, so that automatic brake falling for operation stopping can be realized under a condition that the endless rope towing vehicle is out of control due to rope breakage, continuous operation of the towing vehicle is prevented, and the requirement on safe transportation is met.

The invention discloses a lifting machine and a vehicle barrier linkage protection device, and belongs to an inclined roadway lifting system protection device. The lifting machine and the vehicle barrier linkage protection device structurally comprises a signal monitoring and sensing assembly and a control box; and the lifting machine and the vehicle barrier linkage protection device has the functions that the opening and closing states of an inclined roadway vehicle barrier are monitored in real time, and the starting of the lifting machine is strictly controlled according to the opening andclosing states of the vehicle barrier; and when the vehicle barrier is in the closed state, the signal monitoring and sensing assembly sends out a signal, and the control box allows the lifting machine to normally start; when the vehicle barrier is in the open state, the signal monitoring and sensing assembly sends a signal, the control box forbids the normal start of the lifting machine, only anoperator carries out the on-site confirmation, it is determined that a transport vehicle needs to pass, the vehicle barrier is required to be normally opened, a lifting machine driver can start the lifting machine through the control box safety mode at the moment for the transportation operation. The phenomenon that the switch of the vehicle barrier is operated by manual work when the current inclined roadway transportation lifting operation is carried out, once a lander and the lifting machine driver are a slight error during communication or the responsibility of any party is not in place, so that safety accidents frequently occur is avoided; The opening and closing of the vehicle barrier body and starting interlocking control of the lifting machine have the characteristics of safety andreliability.