39results about How to "No derailment" patented technology

The invention discloses a transportation device allowing automatic right-angle turning. The device comprises a transportation vehicle and a straight running track. Wheels of the transportation vehicle can be clamped in the straight running track which is formed by a first straight running track and a second straight running track which are perpendicular, and a rotating disc used for achieving right-angle turning of the transportation vehicle is arranged at the intersection position of the first straight running track and the second straight running track. The transportation vehicle has the advantages of being simple in operation, low in cost and capable of achieving conveying continuously. A preferable technical scheme is that a transition track in close joint with the first straight running track and the second straight running track is arranged on the rotating disc, the transportation vehicle can be fixed on the rotating disc through the transition track, the position is in the controllable range, and the transportation vehicle is smooth in right-angle turning due to the fact that the transition track is in close joint with the first straight running track and the second straight running track.

The invention relates to a power car for a narrow gauge electric motor car, which comprises a power car body, wherein, an electrical control system, a drive power supply and a braking device are arranged inside the car body; and two power steering frames are arranged at the bottom of the car body. The power car is characterized in that one of the power steering frames is arranged at the bottom of the car body under the drive power supply, and the other power steering frame is arranged between the bottom of the car body and the bottom of a carriage of an adjacent tow truck; the car body and the adjacent carriage are connected through an articulation device and a passing platform; the articulation device is arranged on a lower center plate of one of the power steering frames; the passing platform is arranged at the top of the articulation device; and the both sides between the car body and the adjacent carriage are connected with each other through a damper plate. The power car can be widely used in various occasions needing narrow gauge transportation, such as mine exploitation, tunnel excavation, light rails, subways, etc.

The invention discloses a rotation vehicle of a crane. The rotation vehicle comprises an upper vehicle and a lower vehicle, and also comprises a rotation mechanism, wherein the rotation mechanism comprises a drive device, a small pinion, a support outer gear ring, a support inner ring and a plurality of rollers, the support outer gear ring and the support inner ring are matched with the small pinion, the drive device is installed on the lower vehicle, the small pinion is installed on an output shaft of the drive device in a rotary manner, the support outer gear ring is fixedly installed at the lower part of the upper vehicle and is meshed with the small pinion through an external gear, the support inner ring is fixedly installed at the upper part of the lower vehicle, and the plurality of rollers are clamped in a roller path jointly formed by the support outer gear ring and the support inner ring in a rolling manner. According to the rotation vehicle, the support inner ring is installed on the lower vehicle, the support outer gear ring is installed on the upper vehicle, the support outer gear ring can rotate relative to support inner ring under driving of the drive device and the small pinion and the guidance of the rollers, so that the upper vehicle can rotate relative to the low vehicle; and as the support outer gear ring and the support inner ring are assembled horizontally, the rotation mechanism is lower.

The invention discloses a high-speed railway track deicing device which structurally comprises a sliding deicing machine, a signal receiver, a telescopic connecting rod and a deicing mechanism. The sliding deicing machine is composed of a machine body, a roll striking mechanism, a conveying belt, a motor shaft and a dual-shaft motor. The sliding deicing machine can be controlled to slide by a remote controller at a far distance from the outside through the signal receiver. The sliding deicing machine drives the roll striking mechanism to rotate and move through the dual-shaft motor. The roll striking mechanism moves to perform roll striking cleanup on a frozen layer on the surface of a railway track through ice piercing wheels. The sliding deicing machine moves to scratch and crack the frozen layer outside the railway track through the deicing mechanism and knock off and crush the frozen layer through a knocking mechanism so that the ice layer on the railway track can be conveniently cleaned up. By means of the design, the driving safety of a train on the railway track is improved.

The invention discloses a rope-breaking anti-sliding device for an inclined well mine vehicle. An overspeed sensing device constituted by a sliding block with a bend hook at the end and a sliding block reset spring is fixedly mounted on a wheel; a braking device consisting of a braking pawl, a braking steel wire rope and an operating rod is arranged at the lower part of a vehicle frame; a movement converting device consisting of a bearing capstan and a shifting rod is arranged between the overspeed sensing device and the braking device, and the bearing capstan is constituted by a rolling bearing fixed on a vehicle shaft, a bearing sleeve, a capstan push rod and a capstan steel wire rope; an end head capable of being matched with the bend hook at the end of the sliding block is arranged at the end part of the capstan push rod, the outer end of the shifting rod is fixedly connected with the front end of the operating rod, the inner end of the shifting rod is arranged in a guiding groove, one end of the capstan steel wire rope is connected with the bearing sleeve, and the other end of the capstan steel wire rope is connected with the shifting rod. When rope-breaking sliding occurs, the braking device is triggered by the sliding block through centrifugal force, and a sleeper is hooked and pulled by the braking pawl, so that the mine vehicle is braked. According to the rope-breaking anti-sliding device disclosed by the invention, a derail phenomenon caused by that the wheel is suddenly locked and the braking pawl is jacked up can be avoided, so that the rope-breaking anti-sliding device is high in braking safety, high in braking speed and steady and reliable in braking property.

The invention discloses a high-rise building escaper and an escaping method. The escaper comprises a non-permeability pipeline, a damping device and a person carrying device. The damping device comprises a non-closed sleeve, a high-strength magnet fixedly arranged on the inner wall of the non-closed sleeve, an opening and closing mechanism arranged on the outer wall of the non-closed sleeve, and a locking mechanism. A gap is arranged between the high-strength magnet and the non-permeability pipeline. The non-closed sleeve is provided with a non-closed cylindrical locking hole. The non-closed circle of the locking hole is formed by rolling and folding two arc cylinder sheets in the opposite directions, and the radian of the locking hole is larger than 270 degrees and smaller than 360 degrees. The opening and closing mechanism is used for making the non-closed sleeve arranged on the non-permeability pipeline at any height through the locking hole of the non-closed sleeve in a sleeving manner. The locking mechanism is used for making the locking hole stably arranged in the non-permeability pipeline in a sleeving manner. The applicable height of the high-rise building escaper is not limited, and the high-rise building escaper is suitable for safety escaping in the high-rise building establishing process or the normal operation process.

The invention belongs to the technical field of elevators, and particularly relates to a roller type rail clamping device which is used for an elevator. The roller type rail clamping device comprisesa base and a rotary rack which is rotationally connected to the base, and the two sides of the rotary rack are each provided with a roller and a braking mechanism of the roller. A guide rail of the elevator penetrates between the rollers on the two sides of the rotary rack, so that the guide rail and the rollers on the two sides of the rotary rack are in a holding state all the time without derailing; when the elevator is in a stop state, the braking mechanisms stop the rollers, and frictional resistance is generated between the guide rail and the rollers or between the braking mechanisms andthe rollers to prevent shaking of the elevator, and therefore, an elevator car is in a stable state; and when the elevator is in a running state, braking of the braking mechanisms to the rollers is removed. The problems are solved that the requirements for centering and an installation gap of a traditional rail clamping device are high, the running reliability is low, and the service life is short.

The invention discloses an anti-jump sliding door of a numerical control machine tool, comprising: at least one sliding door; and upper and lower guide rails respectively located at the upper and lower ends of the sliding door, wherein the sliding door can be Reciprocating translation, the plane where the upper guide rail is located is perpendicular to the plane where the lower guide rail is located. According to the invention, no jumping phenomenon occurs no matter whether it moves at high speed or at low speed, and the installation and maintenance are convenient.

The invention discloses a multi-stride hole probe fixing frame for pile foundation detection and a use method of the fixing frame, the fixing frame comprises an adjusting device and a driving device,wherein the adjusting device comprises a fixing housing and an adjusting screw, a length-adjustable push rod is arranged in the fixing housing, and a nut in thread connection with the adjusting screwis connected with the push rod; the motor of the driving device is connected with the fixing housing and arranged on one side of the fixing house, two pulleys are attached to the top and the surfacesof the two ends of the tail of the device respectively and used for fixing the direction of a probe wire. A semicircular guide sleeve structure is attached to the top of the push rod, moves along withthe push rod and fits an ultrasonic probe. According to the multi-stride hole probe fixing frame for pile foundation detection and the use method of the fixing frame, the structure design is reasonable, an ultrasonic probe can reach the position of an opening of a sound detection pipe through the device directly on a marine file foundation construction platform, a construction worker holds the ultrasonic probe and lowers the ultrasonic probe into a steel protection tube for dangerous operation, at the same time, the time can be saved, the construction efficiency is improved, the manufacturingcost is low, and the popularization is easy.

The invention discloses a rail clamping transportation system under a mine. The rail clamping transportation system under the mine comprises an elevated frame, a control room, a transfer station, vehicles under the mine, rails in the mine, guide rails, turnouts and special sleepers. The guide rail passes through and is connected with a through hole formed in a vehicle, the guide rail is assembledby using a connecting clamping sleeve, a guide rope pressing wheel is fixedly arranged on the guide rail at a turning position under a mine, and a rail changing device is adopted for a turnout; guidesliding blocks are arranged at the positions, making contact with the rails, of the bottoms of the outer ends of the vehicles, and car stoppers are arranged at the two ends of the rails. A hydraulic winch arranged on the ground, and a steel wire rope on the hydraulic winch drag the steel wire rope to a rope guide wheel set under a mine. A heavy hammer type euphroe is arranged at the rope outlet end of a steel wire rope of the hydraulic winch and placed on the elevated frame, a steel ring is fixedly arranged at one end of the vehicle close to a mine mouth, and the steel wire rope is fixedly connected with the steel ring through a guide rope pressing wheel guide. By the adoption of the device, the efficiency of underground large-gradient rail transportation can be effectively improved.

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 a sliding track mechanism, comprising a fixed track and a pulley which slides on the track, a pulley is arranged on the pulley part, the pulley part is arranged on a pulley support, wherein grooves are formed on two side walls of the track, the two side walls at the lower part of the pulley part for fixing the pulley are extended into the grooves for forming protuberances, and the protuberances are buckled in the grooves. The pulley support is a hollow pipe, and a mounting arm at the back part of the pulley part is arranged in the hollow pipe. A pulley positioning core is used for penetrating the hollow pipe and the pulley part to fix the pulley part on the hollow pipe. As the two side walls at the lower part of the pulley part for fixing the pulley are extended into the grooves for forming the protuberances to be buckled in the grooves, the possibility of upward motion of the pulley is limited, and then the situation of being separated from the track of the pulley due to upward motion can not be occurred, thereby protecting the safety.

The invention provides a splitting device which comprises a rack, a driving mechanism and a splitting mechanism, wherein the driving mechanism is used for driving a driving shaft and a driven shaft afirst transmission wheel is arranged on the driving shaft in a penetrating manner, a second transmission wheel is arranged on the driven shaft in a penetrating manner, and the first transmission wheelis connected to the second transmission wheel through a soft belt; the second transmission wheel is detachably mounted on the driven shaft, and the first transmission wheel and the second transmission wheel are movably arranged in relative position to change the conveying direction of materials. According to the splitting device, the first transmission wheel and the second transmission wheel areconnected by means of the soft belt, and the soft belt does not derail under the circumstance that the relative positions of the first transmission heel and the second transmission wheel are changed.In addition, by adjusting a mounting position of the second transmission wheel, the relative positions of the first transmission heel and the second transmission wheel are changed to change the conveying direction of the materials, so that the material conveying stability is improved.

The invention discloses a bridge construction hanging basket advancing construction method, which comprises the steps of firstly, preparing an arrangement rail, wherein the arrangement rail comprisesa rail structure, an installation sliding block and a limiting device; secondly, laying the rail structure is laid on the built bridge surface; thirdly, fixedly installing the bottom of a rhombic frame of the hanging basket on the installation sliding block, and assembling a hanging basket structure; fourthly, driving the installation sliding block to slide on the rail structure by using a traction hoist, and driving the hanging basket structure to walk through sliding of the installation sliding block; fifthly, after the hanging basket is horizontally moved to the preset position, sliding thelimiting device to be attached to the installation sliding block, and then fixing the limiting device to the rail structure to limit the installation sliding block; and sixthly, after the construction is completed, abutting another section of the rail structure at the end of the rail structure, and fixedly installing the rail structure on the bridge surface, opening the limiting device, draggingthe hanging basket to horizontally move to the next construction area, repeating the second step to the fifth step, and conducting continuous construction of the hanging basket.

The invention relates to the technical field of rail traffic, and discloses a train hub steering self-correcting assembly. The train hub steering self-correcting assembly comprises a sleeper which ispreinstalled on the ground surface, and a basic rail, an inner guide bent rail, an outer guide bent rail and a straight sharp rail which are conventionally arranged on the upper surface of the sleeper. An energy-dissipating gasket located on the surface of the sleeper is fixedly arranged at the joint of the inner guide bent rail and the straight sharp rail. By installing the energy-dissipating gasket at the joint of the straight sharp rail and the inner guide bent rail, an outer side rim of a train hub can be erected on the energy-dissipating gasket in advance during steering rail changing, the longitudinal pressure (energy-dissipating process) of the hub is counteracted through the elastic deformation of the energy-dissipating gasket, the longitudinal load of the hub is small when an inner side rim of the hub abuts against a forged section of the straight sharp rail, the abrasion to the forged section of the straight sharp rail is reduced, the service life of the forged section of thestraight sharp rail is prolonged on one hand, it can be ensured that the train hub can be prevented all the time from suspending and jolting on the other hand, the train taking experience of passengers is improved.