66results about "Track brakes" patented technology

Embodiments herein disclose an electric railroad retarder having a plurality of retarder modules. A retarder module comprises a gear cam assembly disposed between a first brake unit and a second brake unit. The gear cam assembly comprises a first position arm plate and a second position arm plate that are connected to a cam using a first positioning arm and a second positioning arm. The cam rotates to perform one of: compress a first brake spring, a second brake spring, a third brake spring and a fourth brake spring to hold wheels of a railcar; decompress the first brake spring, the second brake spring, the third brake spring and the fourth brake spring to release the wheels of the railcar; and separate the first position arm plate from a first spring base plate, and the second position arm plate from a second spring base plate to allow insertion of a shim.

The invention discloses a retarder assembly stable in operation, and relates to the field of retarders, the retarder assembly comprises a shell assembly and a sliding oil cylinder assembly, the sliding oil cylinder assembly is arranged on the inner side of the shell assembly, and the sliding oil cylinder assembly comprises an oil cylinder, a piston rod assembly, a sealing cover assembly, a supporting ring, a return stroke valve plate, a shaft check ring and a punching stopping assembly. A piston rod assembly is arranged on the inner side of the oil cylinder, a sealing cover assembly is arranged on the inner side of the top end of the oil cylinder, a supporting ring is arranged on the oil cylinder and located on the upper side of the sealing cover assembly, a return stroke valve plate is arranged between the supporting ring and the sealing cover assembly, and a shaft check ring is arranged on the oil cylinder and located on the lower side of the return stroke valve plate. The pressure valve adopts the combined design of a double-stiffness spring of a pressure valve spring set and a speed valve plate, resistance work can be dynamically adapted according to the vehicle weight and the working condition, and the vehicle coupling in-place rate in the low-temperature environment in winter is increased.

The utility model discloses a traveling crane distillation area protection and anti-slip system which comprises a traveling crane, a power wheel assembly, a slag removal assembly, a speed reduction assembly and a track. The power wheel assemblies are arranged on the two sides of the travelling crane, the power wheel assemblies are arranged on the track, the slag removal assembly is arranged on the track in front of the power wheel assemblies, the speed reduction assembly is arranged on the side wall of the power wheel assemblies, and a speed reduction trigger rod is arranged in a distillation area on the track; when the traveling crane travels, the power wheel assembly travels on the track in the specified direction, when the traveling crane travels to a distillation area, deceleration of the power wheel assembly is achieved through the deceleration trigger rod, meanwhile, the deslagging assembly is started in a linkage mode, the surface of the track in the distillation area is cleaned, the whole traveling process is more stable, and the service life of the traveling crane is prolonged. And the safety of operators in the distillation area is ensured.

The utility model relates to the technical field of motor monitoring, and discloses a parking anti-running device for monitoring current, voltage and motor operation time in real time, the system comprises an operation data acquisition module, the input end of the operation data acquisition module is connected with a motor to be tested, and the operation data acquisition module is used for acquiring real-time operation data of the motor to be tested; the input end of the communication module is connected with the output end of the operation data acquisition module, the output end of the communication module is connected with the input end of the data processing and early warning module, and the communication module is used for transmitting the real-time operation data of the tested motor to the data processing and early warning module; and the data processing and early warning module is used for processing and analyzing the real-time operation data of the tested motor to obtain a motor monitoring result and carrying out early warning according to the motor monitoring result. According to the utility model, the real-time operation data of the motor is acquired, the communication module is used to transmit the real-time operation data to the data processing and early warning module, and the process data is monitored in real time, so that the accurate control and fault early warning of the motor state are realized, and the reliability and maintenance efficiency of the motor are improved.

The present application belongs to the technical field of train parking under high temperature environment, and discloses a railway train parking device working under the blast furnace tapping hole, which comprises a transmission mechanism, a reciprocating driving assembly and two brake rails. The transmission mechanism comprises a first transmission rod, a second transmission rod and a plurality of cross assemblies, the cross assembly comprises a first booster arm and a second booster arm, the first booster arm and the second booster arm are rotationally connected at the cross, the first booster arm is provided with a first guide part extending along the length direction of the first booster arm, the first transmission rod is rotationally and slidingly connected to each first guide part, the second booster arm is provided with a second guide part extending along the length direction of the second booster arm, and the second transmission rod is rotationally and slidingly connected to each second guide part. The reciprocating driving assembly is provided with a first connecting section and a second connecting section, the first booster arm is provided with a third guide part extending along the length direction of the first booster arm, the second booster arm is provided with a fourth guide part extending along the length direction of the second booster arm, and the first connecting section is rotationally and slidingly connected to the third guide part.

An intelligent magnetic-attraction precise large-force braking system comprises a magnetomotive force module (0-01), a magnetic conduction module (0-02), a combination module (0-03), a pushing module (0-04) and an intelligent control module (0-05) and is used for conducting intelligent anti-slip and braking on a vehicle in railway shunting operation, and the magnetomotive force module (0-01) is used for generating a magnetic field through a direct-current electromagnetic coil; magnetic force is transmitted to two side edges of a wheel set of the railway vehicle through the magnetic conduction module (0-02) with the help of the combination module (0-03) to form a closed magnetic circuit, and the control module (0-05) controls the magnetic conduction module (0-02) through data received by a sensor and external control instructions. And the control module (0-04) controls the push module (0-04) to do telescopic motion, and controls the magnetic field direction and the current magnitude of an electromagnetic coil of the magnetomotive force module (0-01), so that the anti-slip braking and relieving functions of the intelligent magnetic suction precise strong braking system are completed, and the purposes of improving the shunting operation efficiency and liberating the physical strength of shunting personnel are achieved.

The invention provides a railway vehicle control system and a control method thereof. The railway vehicle control system comprises a preset parking space, a moving vehicle, a trigger, a locking assembly and a control platform. The preset parking spaces are distributed on a driving road surface and are provided with trigger switches; a swing block is rotationally arranged at the top of the moving vehicle, and the swing block has a vehicle pushing state in which the swing block is kept upright and abuts against a cross beam at the bottom of the vehicle and a vehicle passing state in which the swing block swings around the rotating axis; the trigger is arranged on the mobile vehicle; the locking assembly comprises a plurality of wheel stoppers, and the wheel stoppers have the locking state that the wheel stoppers abut against vehicle wheels. The control platform is in communication connection with the moving trolley, the trigger and the multiple wheel stoppers. According to the railway vehicle control system provided by the invention, the swing block on the moving vehicle is switched between the vehicle pushing state and the swing state, so that the use flexibility is improved, the moving difficulty is reduced, and the moving efficiency of the vehicle is improved.

The present application relates to a method for installing a mechanical brake track, and relates to the technical field of rail vehicles. It includes: installing multiple brake units side by side on the initial track, welding the width weld of each pad along the thickness direction and the outer weld along the length direction, moving multiple brake units in sequence along the initial track, repeating the operation so that the width weld and the outer weld of all pads are welded, and then installing multiple brake units arranged at intervals in sequence on the initial track, welding the inner weld of each pad between the first and last brake units along the length direction, and similarly moving multiple brake units so that the inner welds of all pads are welded, and finally installing all brake units side by side on the initial track to complete the installation of the mechanical brake track. The installation method provided by the present application uses the brake unit to provide rigid fixed constraints, reduces welding deformation during the installation process, ensures the accuracy of the mechanical brake track, and the reasonable welding sequence also simplifies the process.

The utility model belongs to the technical field of railway transportation safety equipment, and provides a parking anti-slip device braking force monitoring device, which is suitable for driving a brake rail to achieve braking. The parking anti-slip device braking force monitoring device comprises: an inner support mechanism, which is connected to the brake rail; a brake drive mechanism, which is connected to the inner support mechanism, and the brake drive mechanism is suitable for driving the inner support mechanism to drive the brake rail to move to achieve braking; a braking force detection component, which is arranged on the inner support mechanism, and the braking force detection component is suitable for detecting the braking force generated by the inner support mechanism during the movement process and generating a braking force signal; a control system, which is communicatively connected with the braking force detection component, and the control system controls the braking force within a safe range according to the braking force signal, thereby ensuring that the vehicle can stay in place stably, thereby effectively preventing safety accidents caused by locomotive sliding or slipping.

The utility model discloses a damping type mine car speed reducing device which comprises a downhill track, a friction speed reducing part and an auxiliary speed reducing mechanism, a sleeper is arranged at the bottom of the downhill track, the friction speed reducing part is arranged at the top of the sleeper and located on the inner side of the downhill track, and the auxiliary speed reducing mechanism is arranged at a bend of the downhill track. The auxiliary speed reduction mechanism comprises a sleeve, a piston rod moving along the sleeve, a speed reduction collision head arranged at the top of the piston rod and an elastic piece arranged in the sleeve, the auxiliary speed reduction mechanism is conveniently installed through the inserting plate, friction is conducted on the inner side of a wheel hub of a mine car through the friction speed reduction piece, the speed of the mine car is reduced, and the safety of the mine car is improved. The speed reduction collision head is higher than the downhill track, so that when the mine car passes, the speed reduction collision head blocks the wheel, reduces the speed, presses down the piston rod, bounces the piston rod after the mine car passes, reduces the speed of the mine car for many times, and is convenient to stop.

A kind of uncontrolled parking device, a pair of brake rails (1), several pairs of energy-storable support arm assemblies (5), bottom beam assembly (4) for limiting support arm assembly (5) between basic rail, each pair of support arm assembly (5) acts in the action plane vertical to basic rail, brake rail (1) is fixed outside corresponding support arm assembly (5) respectively;In no-load state, the distance between brake surface (1-2) of brake rail (1) is greater than the inside distance of wheel, and its technical key points are: in loaded state, energy storage mechanism is extruded and exports reaction force and generates friction force outwardly.The present application has the advantages of simple structure, compact, flexible limit height adjustment, strong adaptability, easy installation, less maintenance, less investment, convenient to use and the like.

The safety type parking anti-slip device comprises a supporting beam, stock rails are connected to the two ends of the supporting beam through fixing assemblies, a supporting unit is connected to the supporting beam, a supporting base is hinged to the supporting unit, a braking unit and an oil cylinder are connected to the two ends of the supporting base respectively, and a locking device is connected to the outer wall of a cylinder body of the oil cylinder. The invention further discloses an anti-slip method of the safety type parking anti-slip device. Equipment can be self-locked after braking and relieving, the anti-slip capacity of the equipment is not reduced when the equipment is powered off or has a pressure fault, the braking and relieving action state is not changed, parking safety can be guaranteed, and the problems that the braking and relieving action time of an electric parking anti-slip device is generally long, and a hydraulic parking anti-slip device cannot be locked when power is cut off or a hydraulic fault occurs are solved. And the braking capacity is reduced.

The utility model discloses an arrival-departure line clamp type stopping device. The arrival-departure line clamp type parking device comprises brake rails located on the two sides of a stock rail, a plurality of transverse linkage rods are arranged below the brake rails, the transverse linkage rods penetrate through the stock rail, the outer sides of the transverse linkage rods are sleeved with a pair of guide sleeves fixedly connected with the stock rail, the outer sides of the guide sleeves are sleeved with sliding bases used for installing the brake rails, and the outer sides of the sliding bases are sleeved with sliding blocks. A reset mechanism is arranged between the braking rail and the stock rail, a first check block is arranged on one side of the transverse linkage rod, a braking spring assembly is arranged between the first check block and the sliding seat on the same side, an inserting groove is formed in the other side of the transverse linkage rod, a second check block is arranged in the inserting groove, and a longitudinal linkage rod is arranged between the second check block and the sliding seat on the same side. A protrusion matched with the second check block is arranged on the longitudinal linkage rod, and a main oil cylinder fixedly connected with the brake rail on the same side is arranged at one end of the longitudinal linkage rod. The utility model solves the problems of high cost, high failure rate and high safety risk in the prior art.

A conditioning device for applying conditioning agent to the wheel face (46) and wheel back surface (47) of wheels (39) of railway vehicles comprises at least one brush (20) with bristles, a support (14) on which the brush (20) is mounted and which has a bearing surface (27) with which it rests, for example, on a sleeper (2) of a track (3), and a line (48) for supplying the conditioning agent to the brush (20). The line (48) opens between the bristles of the brush (20). This ensures good distribution of the conditioning agent within the brush and good transfer of the conditioning agent to the wheel face (46) and wheel back surface (47).

This application relates to the technical field of electric bicycles, and in particular to a novel anti-slip device for electric bicycles, comprising: a base connected to the bottom of the electric bicycle; a first gripper slidably connected to the base, wherein the base is connected to a first elastic member, and the end of the first elastic member away from the base is connected to the first gripper; a second gripper slidably connected to the base, wherein the base is connected to a second elastic member, and the end of the second elastic member away from the base is connected to the second gripper; a clamping opening for clamping a rail is formed between the first gripper and the second gripper; and a clamping drive mechanism for driving the first gripper and the second gripper to clamp the rail. This application has the effect of reducing the possibility of electric bicycles slipping.

The invention relates to a superconducting electromagnetic launching platform safety braking system, a launching platform comprises a track and a test skid car, a sliding rail is fixed on the track, the test skid car is provided with a sliding shoe matched with the sliding rail, and the braking system comprises a sliding shoe friction device, a sliding rail friction device and a clamping plate friction device. The sliding shoe friction device comprises an inner friction block fixed to the inner wall of the sliding shoe and an outer friction block fixed to the outer side wall of the sliding shoe, the sliding rail friction device and the clamping plate friction device are arranged at the ends of the sliding rail, and notches matched with the sliding rail friction device are formed in the two sides of the sliding rail. The sliding rail friction device comprises inner friction plates fixed to the two sides of the sliding rail and matched with the inner friction blocks, inner elastic buffering pieces are arranged between the inner friction plates and the sliding rail, the clamping plate friction device comprises L-shaped supports fixed to the two sides of the sliding rail, and outer friction plates matched with the outer friction blocks are fixed to the inner sides of the L-shaped supports. And an outer elastic buffer piece is arranged between the outer friction plate and the L-shaped bracket. The device has the advantages of being simple in structure, safe, reliable and high in practicability.

The utility model discloses a railway retarder of prevent internal water ice of winter, relate to railway retarder technical field, including retarder unit, and set up in the retarder unit outer surface for installation's installation unit, the retarder unit includes buffer assembly and sets up in the protection subassembly of buffer assembly inside, the installation unit includes the fixed component of setting up in the retarder unit outer surface and sets up the installation component of fixed component outer surface. The utility model discloses a casing, sliding oil cylinder, exhaust pipe, stop pin, upper bushing, lower bushing, water collecting tank body, spring, extrusion piston and one -way drain valve's mutual cooperation can conveniently assist to the train of railway on -going and carry out the retardation buffering, and the water of convenient discharge casing inside prevents ice, adopts the mutual cooperation of connecting sleeve, mounting seat, sleeve, stop washer, stud bolt and fixed nut can conveniently install railway retarder to increase the practicality of railway retarder.

The invention discloses a control device and a control system of a vehicle speed reducer. The control device of the vehicle speed reducer comprises an alternating current power supply AC; the AC is connected with the input end of the circuit breaker QF1 through the lightning protection module; the output end of the circuit breaker QF1 is respectively connected with the power supply input end of the first switching power supply module G1, the power supply input end of the second switching power supply module G2 and the primary side of the transformer TB; the power supply output end of the G1 and the power supply output end of the second switching power supply module G2 are respectively connected with the power supply input end of the PLC module; the power supply output end of the second switching power supply module G2 is also connected with the power supply input end of the switch TFA; the secondary side of the transformer TB is connected with the power supply input end of an original hydraulic control valve of the vehicle speed reducer through a rectifier bridge DB; and the switch TFA is in communication connection with the PLC module. According to the method, the original working state of the vehicle speed reducer in the hump control system can be safely and reliably controlled, and the control quality is ensured.

The utility model discloses a self-sliding mine car speed reducing device which comprises a mine car body, a speed reducing mechanism and a blocking mechanism, a baffle is welded to the bottom of the mine car body, the speed reducing mechanism is arranged between the two sides of a rail, and the speed reducing mechanism comprises a cylinder body, a sliding groove, a sliding rail, a sliding rod, a piston and a compression spring. The blocking mechanism comprises a push head shell, an inclined wedge block, an extrusion groove, a push rod, a telescopic rod, a connecting rod, a tension spring, a guide rail, a collision strip, a pulley block, a guide groove and a connecting plate. The blocking mechanism is pushed by the mine car body to move forwards, the compression spring exerts counter-acting force on the mine car body, so that the mine car body is braked and decelerated, the inclined wedge blocks on the two sides of the blocking mechanism enter the opening end of the cylinder body, and the connecting rod in the blocking mechanism enables the collision strip to contract; the blocking mechanism is automatically pushed out and reset under the acting force of the spring, a good braking and speed reducing effect can be achieved for the mine car, the mine car is prevented from falling off the road when passing through a turn and a passageway, and safety accidents are avoided.

The utility model discloses an underground anti-sliding safety device, which relates to the technical field of coal mine safety production equipment, and comprises an extrusion positioning piece, a cylinder body, a cylinder cover, a driving device, a driving device and a driving device, the cylinder body is internally provided with a sealing cavity, the sealing cavity is internally provided with a movable part, the movable part is matched with the extrusion positioning part, and the other end of the movable part extends out of the cylinder body; the motor is arranged at one end, far away from the extrusion positioning piece, of the cylinder body and is provided with a screw rod matched with the movable piece; the device can greatly shorten the braking response time and improve the safety of a safe transport vehicle in a mine tunnel; a good braking effect can be ensured even under a complex track condition, the dependence of a track braking device on a track state is avoided, and the track braking device is suitable for various inclined shaft or inclined roadway transportation systems; the problems that in the prior art, the response speed is low, braking is not timely, and the braking effect is greatly influenced by the rail state are solved.

An intelligent electromagnetic braking system based on the wheel-rail relation comprises an electromagnetic unit (0-01), a pushing module (0-02), a control module (0-03) and a basic module (0-04) and is used for attracting wheel pairs of a railway vehicle to a steel rail through the system, and therefore the purpose of electromagnetic braking is achieved. Wherein the electromagnetic unit (0-01) is used for generating a strong magnetic field and forming a closed magnetic circuit with a steel rail and a wheel pair, so that strong magnetic attraction force is generated between the wheel pair and the steel rail; the pushing module (0-02) is used for adjusting the distance between the electromagnetic unit (0-01) and a vehicle wheel set; the control module (0-03) is used for coordinating intelligent work of the whole equipment, and the basic module (0-04) is used for conveniently and quickly nesting the whole equipment on a steel rail and a sleeper.

The utility model discloses an auxiliary braking and energy collecting integrated device for a railway line, which belongs to the technical field of rail transit and comprises an input device, a transmission device, a power generation device and an energy storage device which are sequentially connected. The transmission device and the power generation device are installed in the shell, and the shell is connected with the steel rail through a support. The auxiliary braking and energy collecting integrated device is researched on the basis of an existing retarder system, the designed auxiliary braking and energy collecting integrated device is installed between retarder bodies, driving safety is not affected, and part of kinetic energy generated when a train runs is converted into electric energy to be stored and applied while auxiliary braking and speed reduction are achieved. The device can rectify linear reciprocating motion into one-way rotating motion, obtains higher power output, efficiency and stability, not only can recycle part of energy of a train, but also can achieve the purpose of auxiliary braking, and solves the problem that when an existing train is braked, the braking efficiency is low. And large energy loss can be generated when auxiliary braking and speed reduction equipment along the railway works.

The utility model relates to a retarder, in particular to a maintenance-free, pressure-regulation-free and impact-preventing retarder, and aims to solve the problems that the maintenance operation of the conventional retarder in an overhaul period is completed manually, the maintenance period is long, and the workload of maintenance personnel of the retarder is reduced. The pressure valve inner spring and the pressure valve outer spring are coaxially arranged in the spring containing groove, the pressure valve rod is vertically arranged in the piston head, the bottom end of the piston is connected with the impact stopping base, the pressure valve seat is sleeved with the speed valve plate and the speed valve spring, and the outer circle face of the piston head is sleeved with the supporting ring. The return stroke valve plate is arranged on the piston between the piston head and the sealing cover in a sleeving mode, the self-lubricating bush is arranged at the opening end of the top of the self-lubricating dustproof shell in an embedded mode, a self-lubricating dustproof ring is arranged at the top of the self-lubricating bush, and the sliding oil cylinder is arranged at the opening end of the top of the self-lubricating dustproof shell in a sliding and sealing mode. And the punching stopping seat is clamped at the bottom end of the self-lubricating dustproof shell through the punching stopping pin. The utility model belongs to the technical field of parking retarder.

The invention relates to an equipment vehicle and an equipment vehicle system, the equipment vehicle comprises an undercarriage, wheels, a first vehicle stopping assembly and a second vehicle stopping assembly, the first vehicle stopping assembly comprises a supporting part and a moving part, the supporting part is connected to the undercarriage, and the moving part is connected with the wheels and used for driving the wheels to move so that the supporting part can make contact with a track; the second car stopping assembly comprises at least two car stopping pieces and a power piece, the car stopping pieces are symmetrically arranged relative to the track, and the power piece is connected with the car stopping pieces and used for driving the car stopping pieces to move in the direction close to each other so as to clamp the track. According to the equipment car, the two car stopping assemblies are matched with each other, so that the equipment car can be better fixed, even if one car stopping assembly breaks down, the equipment car cannot move, when the equipment car needs to continue to move, the two car stopping assemblies can be automatically opened, direct operation of workers is not needed, and the working efficiency is improved. Therefore, the moving efficiency of the equipment vehicle can be improved, and the safety of workers is guaranteed.

The invention relates to the technical field of rail looseness prevention, in particular to a railway braking rail self-fastening device which comprises a braking unit, a fastening assembly and a rail body connected to the braking unit, the fastening assembly comprises a clamping plate and a plurality of adjusting pieces, and a limiting cavity allowing the bottom of the rail body to be embedded is formed in one end of the clamping plate; an adjusting cavity is formed in the surface, facing the brake unit, of the clamping plate, positioning cavities are formed in the surfaces of the adjusting pieces, an embedded block is connected to the inner wall of each positioning cavity, an embedded groove is formed in the bottom wall of each adjusting cavity, and the surface of each embedded block abuts against the inner wall of the corresponding embedded groove to form limiting. And the rail body and the brake unit clamp the clamping plate and the plurality of adjusting sheets to form fixation. Through the arrangement of the clamping plate and the adjusting sheets, the clamping plate and the adjusting sheets are clamped by the clamping plate and the brake unit to form a fixed and filled rail body thinned volume, the contact area of the rail body and a train hub is ensured to be constant, the rail body is not prone to cracks after being used for a long time, and therefore the running safety of a train is improved.

The utility model relates to the technical field of coal mine safety equipment, in particular to an integrated car stopping device for inclined shaft mine car transportation. The integrated car stopping device for inclined shaft mine car transportation can effectively absorb kinetic energy generated when an inclined shaft mine car is out of control due to landslide in a multi-stage braking speed reduction mode, and ensures safe braking of the mine car. An integrated car stopping device for inclined shaft mine car transportation comprises bases, damping shafts and the like, the two bases are arranged front and back, and the damping shafts are connected to the left portions of the bases in a sliding mode. Friction braking is carried out through the wheel blocking plate and wheels of the mine car, meanwhile, friction is carried out on a rail through the friction plate, the mine car is decelerated, buffering and decelerating are further carried out on the mine car under the action of the first spring, the second spring and the third spring, and the purpose that the mine car can be decelerated through multi-stage braking is achieved. Kinetic energy generated when the inclined shaft mine car landslide is out of control is effectively absorbed, and the safe braking effect of the mine car is ensured.

This utility model relates to a special wheel stopper for endless rope winches, including a slide rail frame. An adjusting and limiting mechanism is provided on the outer side of the slide rail frame. The adjusting and limiting mechanism includes a storage frame fixedly installed on the front of the slide rail frame. Two protective covers are fixedly installed on the inner side of the slide rail frame. A movable wheel is rotatably connected inside the protective cover, and the slide rail body is slidably connected to the outer side of the movable wheel. This special wheel stopper for endless rope winches, through the adjusting and limiting mechanism, uses a brake motor and a bidirectional lead screw to drive two threaded blocks to move closer or further apart under the limiting rod's control. This drives the mounting base and friction pad to move until they are fitted and fixed to the limiting groove on the outer side of the slide rail body, facilitating rapid wheel stop movements. Alternatively, it can drive the two threaded blocks to move further apart, so that the friction pad no longer clamps and fixes the slide rail body, greatly improving the flexibility and practicality of the device.

An actuator apparatus includes an actuator rod with an interior cavity and a set of rod holes. Each rod hole extends through the actuator rod to the cavity. The set of rod holes is positioned in a straight line. The apparatus includes a light assembly that is positioned to light the cavity. The apparatus includes an actuator block that includes an opening extending through the actuator block sized to conform to an outer surface of the actuator rod and a set of block holes in the opening. Spacing between the block holes matches spacing between the rod holes. The actuator block includes a light sensor positioned in a block hole to sense light coming through a rod hole aligned with the block hole and a ball bearing for each block hole of the set of block holes without a light sensor and extending partially through the corresponding block hole.

The invention belongs to the technical field of train parking in a high-temperature environment, and discloses a railway train parking device working under a blast furnace taphole, which comprises a transmission mechanism, a reciprocating driving assembly and two braking rails. The transmission mechanism comprises a first transmission rod, a second transmission rod and a plurality of cross assemblies, each cross assembly comprises a first pressurizing arm and a second pressurizing arm, the first pressurizing arm and the second pressurizing arm are rotationally connected at the intersection, and a first guide part extending in the length direction of the first pressurizing arm is arranged on the first pressurizing arm; the first transmission rod is rotationally and slidably connected to the first guide parts, the second pressurizing arm is provided with second guide parts extending in the length direction of the second pressurizing arm, and the second transmission rod is rotationally and slidably connected to the second guide parts. The reciprocating driving assembly is provided with a first connecting section and a second connecting section, the first pressurizing arm is provided with a third guide part extending in the length direction of the first pressurizing arm, the second pressurizing arm is provided with a fourth guide part extending in the length direction of the second pressurizing arm, and the first connecting section is rotationally and slidably connected with the third guide part.