398results about "Positive railway stops" patented technology

A wheel chock (10) is provided for a railcar. The wheel chock (10) comprises a sole (11) and a support (12) arranged on the sole (11). According to the invention, a shock-absorbing unit (14) is arranged on the support (12) to mitigate the impact of a running wheel of the railcar.

The utility model relates to monorail crane sports car protection equipment, in particular to an intelligent monorail crane sports car catching device which comprises a fixed tripod and a car catching mechanism. The fixed tripod is fixed to the side wall of a roadway, a left inserting plate and a right inserting plate are arranged below the fixed tripod, a left fixed shaft and a right fixed shaft are arranged in a car catching frame of the car catching mechanism, the left fixed shaft is rotationally connected with a left car catching plate, the right fixed shaft is rotationally connected with a right car catching plate, and a left air cylinder and a right air cylinder are fixed to the upper portion of the car catching frame. A piston rod of the left air cylinder is hinged to the upper end of the left car catching plate, the upper end of the left car catching plate is further hinged to a horizontal left inserting rod, a piston rod of the right air cylinder is hinged to the upper end of the right car catching plate, and the upper end of the right car catching plate is further hinged to a horizontal right inserting rod. When the monorail crane runs, the intelligent car catching device can counteract the running potential energy of the car, so that the running car is stopped in time, and the possibility of accidents after the car runs is reduced.

The invention discloses an intelligent anti-slip brake shoe and a cloth manufacturing method thereof, and relates to the technical field of anti-slip brake shoe equipment, the intelligent anti-slip brake shoe comprises an anti-slip brake shoe sole, an anti-slip control unit, two anti-slip brake shoe vertical plates and an anti-slip brake shoe pedal, one side of the anti-slip brake shoe sole in the length direction is set as a head end, and the other side of the anti-slip brake shoe sole is set as a tail end; the two anti-slip iron shoe vertical plates are symmetrically arranged on the upper end face of the anti-slip iron shoe sole in parallel in the length direction of the anti-slip iron shoe sole, the anti-slip iron shoe pedal is erected on the two anti-slip iron shoe vertical plates, and the anti-slip iron shoe sole, the anti-slip iron shoe vertical plates and the anti-slip iron shoe pedal are spliced to form a containing cavity. A front opening is formed in the side, close to the head end, of the containing cavity, the anti-slip control unit is arranged in the containing cavity, one end of the anti-slip control unit extends out of the front opening, and intelligent deployment and control anti-slip of the wheels can be achieved.

The utility model discloses a railway parking anti-slip device. The railway parking anti-slip device comprises a joist installed between two stock rails, one side of the joist is in sliding connection with a sliding frame A, the other side of the joist is in sliding connection with a sliding frame B, the end of one side of the sliding frame B is provided with a frame body, and the frame body is connected with the sliding frame A through two parallel screw rods. The ends, penetrating through the front side end plate of the sliding frame A, of the screws are provided with limiting blocking tables, the sides, penetrating through the front side end plate of the frame body, of the screws are provided with nuts, the portions, located between the front side end plate of the sliding frame A and the front side end plate of the frame body, of the screws are sleeved with spring assemblies, an oil cylinder is arranged in the frame body, and the oil cylinder is installed between the two screws through a flange of the oil cylinder. The telescopic end of the oil cylinder faces the front side end plate of the frame body, a cushion block is arranged between the flange and the front side end plate of the frame body, and the flange is tightly pressed on the end face of the cushion block through a nut. The parking device solves the problems that in the prior art, braking force is weak, and the braking effect of the parking device is affected.

The utility model discloses a hydraulic mechanical buffer device, belongs to the technical field of hydraulic machinery, and aims to solve the problems that in the prior art, the height of a first supporting plate is fixed and cannot be adjusted, so that when different rail cars such as subways, light rails and high-speed rails are involved, the height of the first supporting plate cannot be adjusted due to different specifications of the cars; the hydraulic mechanical buffering device solves the problem that the hydraulic mechanical buffering device cannot be well matched due to the fact that the height point position of hydraulic buffering is correspondingly changed. Comprising a base frame, mounting mechanisms are mounted on the two sides of the base frame, a fixed mounting frame is fixed to one side of the upper portion of the base frame, an adjusting mechanism is mounted on the inner portion and the outer portion of the fixed mounting frame in a combined mode, the adjusting mechanism comprises two jacking columns, hydraulic cylinders are connected to the top ends of the two jacking columns, and hydraulic rods are movably arranged in the middles of the hydraulic cylinders; and the top end of the hydraulic rod is connected with a rubber buffer plate, the adjusting mechanism comprises an adjusting assembly, and the adjusting assembly is mounted in the fixed mounting frame and on one side of the fixed mounting frame.

A buffering type anti-slip fastener for railway vehicles comprises a hook and a threaded rod, an annular blocking shoulder is arranged at the lower end of the threaded rod, the threaded rod is sleeved with a limiting sleeve and an elastic element, and the elastic element is located in an inner cavity of the limiting sleeve; the lower end of the limiting sleeve is fixedly connected with a hinge seat, and the elastic element is pressed above the annular retaining shoulder; a nut seat is connected to the screw rod, a clamping seat is hinged to the nut seat, a crank is connected to the upper end of the screw rod, and the tail end of the hook is horizontally hinged to the hinge seat. The utility model aims to overcome the defects in the prior art.

The invention relates to the field of pipe jacking construction, in particular to a pipe jacking construction transportation rail blocking device which comprises a transportation rail and a transportation vehicle, wheels are symmetrically installed at the bottom of the transportation vehicle, each wheel is slidably connected to the transportation rail, brake discs are symmetrically and fixedly installed at the bottom of the transportation vehicle, and the brake discs are slidably connected to the transportation rail. Each brake disc is located on the two sides of the corresponding adjacent wheel, and a cooling assembly is fixedly installed on the side wall of each barrier plate. By arranging the buffering assemblies, after a vehicle body of the transport vehicle makes contact with two first baffles, first springs can be compressed to get close to a barrier plate, then wheels enter the position between the two buffering plates, and in the process of getting close to the barrier plate, friction force is continuously enhanced through gradually-dense second friction blocks, so that the transport vehicle is braked; and then the wheels of the transport vehicle are in contact friction braking with the second friction block and the first friction block again, so that the transport vehicle is braked slowly in the braking process.

The gradual change positive pressure type rope clamping friction energy absorber comprises a main steel wire rope, a lower clamping plate, an upper clamping plate, a floating pressing unit and a plurality of gradual change pressing devices, and each gradual change pressing device comprises a pressing nut provided with a through threaded hole B, a double-thread shaft, a thin steel wire rope wound on a rope storage wheel and a guide roller; the rope storage wheel is coaxially fixed on a double-thread shaft, and the double-thread shaft is provided with an external thread B and an external thread A; a plurality of through holes are formed in the integral pressing plate, compression nuts are coaxially fixed to the integral pressing plate, the lower clamping plate and the compression nuts are coaxially provided with penetrating threaded holes A, the external threads A are matched with the threaded holes A, and the external threads B are matched with the threaded holes B; the stretching-out end of the thin steel wire rope is fixedly connected with the main steel wire rope, the lower clamping plate is fixed to a roadway foundation, the external thread A and the external thread B are the same in rotation direction, the thread pitch of the external thread A is slightly larger than that of the external thread B, and the thin steel wire rope drives the double-thread shaft to rotate to enable the whole pressing plate to gradually press the spring during sports car braking, so that friction braking force of the main steel wire rope is slowly increased in the long-distance car stopping braking process.

The invention discloses a monorail crane rail linkage car arrester, and relates to the technical field of mining safety auxiliary transportation equipment, the monorail crane rail linkage car arrester comprises a supporting frame, a monorail hanger rail is transversely installed at the center of the top of an inner cavity of the supporting frame, and a rotation adjusting mechanism is arranged on the right side of the monorail hanger rail; the rotation adjusting mechanism comprises a shell sleeve, a servo motor, a limiting disc, a shaft rod, a shaft seat, a driving rotating shaft, a limiting rod, a connecting plate and a damping spring. According to the track linkage car arrester of the monorail crane, through the linkage car arresting mechanism, the monorail crane can be effectively prevented from passing when the first air door and the second air door are not opened or not completely opened, and the first air door and the second air door are effectively prevented from being crashed and collided; the rotation adjusting mechanism can accurately carry out adjusting operation according to different working requirements such as load changes, and therefore it is ensured that the whole equipment system keeps stable operation under different working conditions.

The utility model provides an internally supported intelligent parking anti-slip device and an intelligent parking system, wherein the internally supported intelligent parking anti-slip device comprises a support arm assembly, the support arm assembly comprises a spring component; the spring component comprises a disc spring or a disc spring group, and a fixing member arranged at the end of the spring component in the elastic expansion and contraction direction, characterized in that: a pressure sensor component is arranged between the fixing member and the spring component; the pressure sensor component comprises a first surface of the disc spring or the disc spring group facing the spring component, and a second surface facing the fixing member; a pressure plane is arranged on the second surface, and a pressure-bearing plane is arranged on the fixing member corresponding to the contact position with the pressure plane; the pressure plane and the pressure-bearing plane are perpendicular to the elastic expansion and contraction direction of the spring component; a pressure sensor is arranged on the pressure plane. The technical solution of the utility model can be widely used in the field of train parking lot monitoring.

The invention provides an intelligent management system based on an anti-slip brake shoe. The intelligent management system comprises the anti-slip brake shoe, a management terminal and a communication device, the anti-slip brake shoe comprises a brake shoe body, an intelligent detection module and an antenna bin, the brake shoe body comprises a shoe plate, a first baffle, a second baffle, a spring pressing plate and a tread, the intelligent detection module comprises a first shell, a second shell and a collection plate, and an upper electromagnetic sensor, a lower electromagnetic sensor, a gravity sensor and a positioning module are fixed to the collection plate. A positioning antenna and a communication antenna are arranged in the antenna bin, the management terminal is in communication connection with the anti-slip brake shoe through the communication device, and the management terminal is configured to obtain parameter information of the anti-slip brake shoe and monitor state information of the anti-slip brake shoe based on the parameter information. The system can obtain the pressing and bouncing state, the inserting and moving state, the displacement state, the inclination angle state and the positioning information of the anti-slip brake shoe, and monitors the state of the anti-slip brake shoe based on the parameter information, so that the management efficiency of the anti-slip brake shoe is improved.

The sliding type hydraulic buffering car stop comprises a brake main frame assembly, an installation concave block, an impact head and a hydraulic buffer, the installation concave block is fixed to the top of the brake main frame assembly in a welding mode, the impact head is connected to the front end of the installation concave block in an inserted mode, and the hydraulic buffer is installed in the impact head. The rear end is connected with the interior of the mounting concave block; the impact head comprises a first embedded column and a buffer block, the buffer block is welded to the front end of the first embedded column, the first embedded column and the buffer block are each of a rectangular structure, the first embedded column and the buffer block are connected to form a T-shaped structure, and mounting channels are formed in the first embedded column and the buffer block. And a buffer rubber plate is arranged at the front end of the buffer block. According to the device, the kinetic energy of the out-of-control vehicle is consumed through the buffering effect of the hydraulic buffer and the multiple pairs of brake friction blocks, and therefore the purposes of reducing vehicle losses and braking the out-of-control vehicle are achieved.

The utility model relates to the technical field of track equipment, in particular to a track stopping device and a track stopping system. The normal direction of the bottom plate is arranged in the first direction. The clamping piece is arranged on one face, in the first direction, of the bottom plate, and the distance between the clamping piece and the bottom plate is adjustable; the stopping piece is connected to the other face, in the first direction, of the bottom plate, and the stopping piece extends in the direction away from the bottom plate in the first direction; the triggering rod is connected with the stopping piece, the triggering rod extends in the direction away from the stopping piece in the second direction, and the second direction is perpendicular to the first direction; and the distance between the trigger rod and the bottom plate is adjustable. The rail backstop device can solve the technical problems that an existing rail backstop device adopts a fixed structure and is connected with a rail in a welded mode, so that the installation efficiency is low, rail base metal is damaged, and the rail backstop device cannot adapt to different operation scenes.

The utility model discloses a mine track driver control car stopper, including track trolley, mine car track, car stop baffle and buffer baffle, the track trolley bottom surface is provided with the adjusting sliding slot, and is installed with two -way screw in adjusting sliding slot, and two -way screw one end is connected with servo motor output, the symmetrical card inlay of adjusting sliding slot has adjusting sliding block, and adjusting sliding block is fixedly installed with screw sleeve in, and adjusting sliding block bottom fixed mounting has car stop baffle, two mine car track side walls all have the fixed seat of symmetry welding, and the limit sliding slot is set up in the fixed seat, and the limit sliding block is inlayed in the limit sliding slot, buffer spring is installed between one side of limit sliding block and one side of limit sliding slot. Advantageous effects: the utility model for realizing that the driver can control through the driver control device, uses more nimble and convenient, and only needs to install a servo motor to control, reduces equipment manufacturing cost and power consumption, and the practicality is stronger.

The utility model discloses a novel inclined shaft three-section type suspension car blocking door fence which comprises a roadway, a monorail crane rail is arranged at the bottom of the roadway, a monorail crane is arranged at the bottom of the monorail crane rail, a rail transport mine car is arranged at the bottom of the monorail crane, and a suspension type car blocking fence is arranged at the position of the rail transport mine car. In the implementation process, the working state of the door fence is adjusted to be an upper state, a middle state and a lower state from an upper state and a middle state, the upper state is a state when a mine car passes through during rail transportation and a car stopping state, and the lower state is a state when a single rail or an overhead man car is transported; under the cooperation of a suspension steel wire rope, a lifting steel wire rope, a position sensor, a fixed pulley block, a movable pulley block and a traction steel wire rope, when multiple transportation modes exist in an inclined shaft transportation roadway at the same time, normal running of a transportation vehicle cannot be affected, the installation difficulty is low, and the device is convenient to assemble; and the device is convenient to replace.

Embodiments of the present application relate to the field of railway vehicle stopping and monitoring, and particularly to a railway anti-slip control and monitoring system and method. The railway anti-slip control and monitoring system comprises: an anti-slip device having a braking state and a release state; an anti-slip controller connected with the anti-slip device, controlling the anti-slip device to switch between the braking state and the release state, receiving state information of the anti-slip device; a control manager in communication connection with the anti-slip controller, sending control instructions to the anti-slip controller and receiving state information, the anti-slip controller controlling the anti-slip device according to the control instructions; a monitoring sensor arranged on the anti-slip device, monitoring the anti-slip device and the vehicle; a monitoring collector connected with the monitoring sensor, collecting monitoring data of the monitoring sensor; and a monitoring manager in communication connection with the monitoring collector and the control manager, respectively, receiving and determining whether the vehicle has slipped away according to the monitoring data and the state information. The system can exclude monitoring data interference and achieve accurate control of the anti-slip device.

The utility model discloses an ejector pin type control signal transmitting device of a parking device. The ejector pin type control signal sending device of the parking device comprises a base, a travel switch is arranged on the base, an ejector rod in sliding connection with the base is arranged opposite to a push rod of the travel switch, one end of the ejector rod extends into the base and is used for triggering the travel switch, the other end of the ejector rod extends out of the base, and a limiting piece is arranged on the side, extending out of the base, of the ejector rod. A reset spring connected to the outer side of the ejector rod in a sleeving mode is arranged between the limiting piece and the outer side wall of the base, and the reset spring is in a pressed state all the time in the working process. The railway parking anti-slip device solves the problem that the prior art cannot be directly used, so that the safety of the railway parking anti-slip device cannot be improved.

The utility model relates to the technical field of monorail hanging beams, in particular to a monorail hanging beam car arrester safety protection device which comprises a connecting base fixed to the top of a channel steel rail. A movable groove is formed in the top of the connecting base, and a limiting strip is movably arranged in the movable groove. A T-shaped seat is fixed to the top of the connecting seat, a penetrating hole is formed in the top of the T-shaped seat, a motor is installed at the top of the T-shaped seat, a driving rod is fixed to the output end of the motor, a winding wheel is fixed to one end of the driving rod, and a pull rope is wound in the winding wheel. According to the utility model, the integral structure is simple, the production and use costs are lower, the parts are all conventional parts in the market, and precision parts are reduced, so that the device is not easy to damage and lower in failure rate when in use, and the integral working efficiency is improved.

The utility model relates to the technical field of railway vehicle safe operation, and discloses a railway vehicle flexible car stop which comprises a mounting frame, fixing plates are fixedly connected to the periphery of the bottom of the mounting frame respectively, speed reduction assemblies are arranged at the bottoms of the fixing plates, a buffer is arranged at the top of the mounting frame, and a baffle is fixedly connected to the outer portion of the buffer. An adjusting assembly is arranged in the baffle; the speed reduction assembly comprises a connecting plate, the connecting plate is fixedly connected to the bottom of the fixing plate, a cushion block is fixedly connected to the bottom of the connecting plate, two damping rails are connected to the outer portion of the cushion block through first bolts, and railway lines are arranged at the opposite positions of the two damping rails. According to the utility model, a railway line is clamped by the damping rail, so that strong friction force generated by the first friction plate and the second friction plate brakes a vehicle from the bottom. The magnitude of the friction force is in direct proportion to the impact force of the vehicle, so that the kinetic energy of the vehicle can be effectively consumed, and the speed of the vehicle can be reduced within a short distance.

The utility model relates to the technical field of mine cage trackless rubber wheel car stoppers, and discloses a self-locking mine cage trackless rubber wheel car stopper which comprises a main body, a translation guide rail is arranged on the main body, a first car stopping assembly is connected to the translation guide rail in a sliding mode, and a lifting guide rail is arranged at the bottom of the main body. The speed reducer, the first lead screw and the second lead screw are driven by the servo motor to be linked, accurate movement of the car stopping assembly on the curve guide rail and the translation guide rail is achieved, in the car stopping process, the car stopping baffle is matched with wheels through the action of the rolling body to apply force to the car stopping baffle, and when the force reaches a set value, the car stopping assembly stops moving. When the tramcar stops rotating, the servo motor stops rotating and keeps a braking state, meanwhile, due to the self-locking property of the first lead screw and the second lead screw and the self-locking function of the speed reducer, it is ensured that the car stopping torque can be increased infinitely, sufficient stopping force is provided for the trackless rubber wheel tramcar, the car stopping safety performance is improved, and accidents are prevented.

The invention discloses a mine car stall protection device for a roadway inclined shaft, and relates to the technical field of coal mine safety, the mine car stall protection device comprises a mounting frame and two mounting bottom plates, a guide rotating rod is arranged at the bottom of the mounting frame, an intercepting frame is mounted at the bottom of the guide rotating rod, and the mine car stall protection device further comprises a protection mechanism used for limiting the intercepting frame when the intercepting frame intercepts a stall mine car. The protection mechanism further comprises two sets of supporting plates which are symmetrically arranged on the two sides of the interception frame, and through arrangement of the protection mechanism, when the interception frame intercepts a stalling mine car, the mine car impacts the interception frame, and the elastic buffer rope is in a large stretching state, through cooperation of a fixed rod, a movable rod and a limiting rod, the stalling mine car is prevented from falling off; according to the anti-springback device for the mine car, secondary movement of the stopped mine car caused by the springback force of the elastic buffer rope can be effectively prevented, so that the problem of secondary collision or structural damage of the mine car due to springback is well avoided, and the reliability and the safety of the mine car stalling protection device when the stalling mine car is intercepted are improved.

The utility model provides a rail traveling stopper with a locking mechanism, which relates to the technical field of stoppers and comprises a support A and a support B. The left side of the support A is provided with a clamping groove, a corresponding block is fixedly mounted on the left side of the support A, a clamping plate A is fixedly mounted at the top end of the support A, and the right side of the support A is provided with a first mounting groove A; and a mounting block A is arranged on the right side of the bracket A. The rail anti-collision device realizes high adaptability and universality, can be suitable for rails of different specifications, provides enhanced safety performance, ensures that the position is still firmly locked when the rail anti-collision device is impacted, and prevents accidental collision. Due to the design characteristics, the operation convenience is brought, the installation and maintenance process is simplified, meanwhile, the structural stability and durability of the equipment are improved, and the long-term maintenance cost is reduced. In a word, the stopper not only improves the running safety of the rail, but also considers the efficiency and economy, and a safe and practical solution is provided for a railway system.

The utility model relates to the technical field of railway vehicle parking devices, and discloses a parking anti-running device position displaying device easy to identify and a parking device, the position displaying device comprises a reference assembly arranged on a main body, and the reference assembly is provided with a reference structure fixedly arranged relative to the main body; the travel switch assembly is arranged at one end of the middle of the main body, the reference structure is arranged on the travel switch assembly, and the position displaying assembly is arranged on the travel switch assembly and matched with the reference structure. The position displaying assembly can telescopically move along with the state change of the travel switch assembly, and when the position of the position displaying assembly moves, the position of the position displaying assembly can be changed relative to the position of a reference structure of the reference assembly, so that a field worker can directly observe the relative position state of the position displaying assembly and the reference structure at the moment, and the position displaying assembly can flexibly move along with the position displaying assembly. Therefore, the working state of the parking device can be quickly and effectively judged.

The utility model discloses a coal mine underground roadway car arrester, which belongs to the technical field of mine car stopping and comprises a mine tunnel foundation, a rail is arranged at the top of the mine tunnel foundation, a car arresting clamping seat is arranged at the top of the rail, reinforcing mechanisms are respectively arranged on two sides of the car arresting clamping seat, and a clamping groove is arranged at the bottom of the car arresting clamping seat. When a mine car is stopped and fixed, the car stopping clamping seat is placed on a rail, meanwhile, the car stopping inclined seat abuts against a wheel, at the moment, the first rotating block is rotated to drive the first screw to rotate, and the end of the first screw is driven to abut against the side face of the rail through threaded fit between the first screw and the first welding nut; and the vehicle stopping clamping base and the rail are fixed through cooperation between the first screw rod and the rail, the stability of the vehicle stopping clamping base placed on the rail is guaranteed, then the stability of the vehicle stopping inclined base for stopping the vehicle is guaranteed, and practicability is good.

The utility model relates to the technical field of ore extraction equipment, and discloses a mining vehicle stop device which comprises two frame bodies, two guide rods are fixedly installed on the sides, close to each other, of the two frame bodies, fixing lantern rings are fixedly installed on the two guide rods, a first connecting rod is fixedly installed between the two fixing lantern rings, and a second connecting rod is fixedly installed between the two fixing lantern rings. According to the anti-return device for the mine car, when the mine car passes through the anti-return plate and collides with the baffle, under the matching effect of the two sets of first springs, the two sets of second springs and the two dampers, the anti-return plate is rotationally installed on the first connecting rod, a limiting mechanism used for the anti-return plate is arranged on the first connecting rod, and the movable lantern rings are movably connected to the two guide rods in a sleeved mode. When the tramcar is subjected to counter-acting force and generates backward movement on the mining track, the anti-return plate prevents the tramcar from continuing to move backward on the mining track, and therefore the tramcar stays at a proper discharging position at the tail end of the mining track.

The utility model discloses a car stopping device of an anti-sliding system, and relates to the technical field of auxiliary equipment for underground inclined roadways. The guide rod is arranged between the baffle and the buffer support plate; the buffer is arranged between the baffle and the buffer support plate; the buffer support plate is arranged at the exit of the roadway through a mounting seat; through the cooperation of the buffer pad, the guide rod and the buffer, the descending speed of the mine car can be effectively reduced, the quick response mechanism of the brake assembly ensures instant braking when a sliding accident occurs, and the response speed and the braking efficiency are remarkably improved; the problems that in the prior art, the anti-sliding and braking effects are poor, and the mine transportation efficiency is affected are solved.

The remote pneumatic car stopping device comprises a car stopping device body, an air cylinder, a first push rod, a second push rod, a connecting plate and an air pipe, the air cylinder is welded to the right side of the car stopping device body, and the right end of the air cylinder is connected with an external air control chamber through the air pipe; one end of the first push rod is connected with the left end of a piston rod in the air cylinder in a welded mode, the other end of the first push rod is connected with one car stopping claw in the car arrester body in a welded mode, the portion, close to the other end, of the first push rod is hinged to the second push rod through a connecting plate, and the other end of the second push rod is connected with the other car stopping claw in the car arrester body in a welded mode. A rocker transmission mechanism is combined; and the central position of the connecting plate is rotationally connected with the car arrester main body through a screw positioning pin shaft. The remote pneumatic car stopping device for the coal mine is convenient and fast to operate, solves the problem that the safety of operating personnel is difficult to effectively guarantee due to the fact that an operating rod of a manual car stopping device adopted in the coal mine at present is located beside a rail, and guarantees the safety of the operating personnel.

The utility model relates to the technical field of coal mine equipment, in particular to a coal mine tramcar stopping device which comprises a tramcar track, a positioning clamping seat is clamped outside the tramcar track, a sleeving rod is welded to one end of the positioning clamping seat, and two sets of symmetrically-distributed adjusting assemblies are arranged outside the sleeving rod. Locking clamping plates are arranged on the two adjusting assemblies, driven wedge blocks are arranged outside the locking clamping plates, a guide rod is movably installed on the top of the positioning clamping base, and a vehicle stopping wedge block is fixedly connected to the end of the guide rod. According to the coal mine tramcar stopping device, the device is clamped to a tramcar track, the car stopping wedge blocks abut against wheels, elastic force is applied to the guide rods and the car stopping wedge blocks through the compression springs, pressure is applied to the locking clamping plates through transmission of the transmission arms, the transmission wedge blocks and the driven wedge blocks, and the locking clamping plates on the two sides can clamp the side wall of the tramcar track; and the limitation on the wheels is realized.

The utility model provides active traction type anti-slip equipment for a train set, which relates to the technical field of rail traffic and comprises a pair of wheel clamping pliers, a traction rope and a rail clamping device, the traction rope is connected with the wheel clamping pliers and the rail clamping device, the rail clamping device is used for being clamped on a train rail, and the wheel clamping pliers are used for clamping wheels; the wheel clamp comprises a right wheel clamp support and a left wheel clamp support, and the left wheel clamp support is rotationally installed on the right wheel clamp support and fixed in a self-locking mode; the device is installed on the face deviating from the runaway trend of a train set, a wheel is clamped through the wheel clamping pincers, the device is clamped on a train rail through the rail clamping device, the wheel clamping pincers and the rail clamping device are connected through the traction rope, and the wedge blocks of the rail clamping device are fixed to the left rail clamping block and the right rail clamping block in the length direction of the train rail. When the device is pulled by a traction rope, after displacement, the device extrudes a vehicle rail to generate upward and inward friction force in the direction of the hook body, self-locking of the device is completed, and the device is convenient to operate, small in influence of environmental factors, safe and reliable.

The utility model relates to the technical field of car stopping bars, and discloses a suspension type car stopping bar based on mine car derailment, which comprises a fixed column, one end of the inner wall of the fixed column is fixedly connected with a fixed disc, the output end of the top of the fixed disc is movably connected with a rotating disc, and the top of the rotating disc is provided with a plurality of arc-shaped limiting grooves. The output end of the bottom of the rotating disc is movably connected with a plurality of reinforcing anchors, the output ends of the tops of the reinforcing anchors penetrate through the top of the fixed disc, the output ends of the tops of the reinforcing anchors are in friction contact with the output ends of the arc-shaped limiting grooves, and the output ends of the tops of the arc-shaped limiting grooves are fixedly connected with bevel gears. The anti-derailing tramcar can easily move up and down according to needs, daily maintenance and overhaul are facilitated, quick response can be achieved in emergency, derailing tramcars are effectively blocked, and meanwhile the overall structure is more stable and more practical through fixing of the reinforcing anchor.