32 results about "Track brake" patented technology

The invention belongs to the technical field of brake pad materials, and aims to solve the problems that the friction coefficient of an existing organic-based brake pad is unstable, so that brake failure is likely to occur, the driving safety is affected, the operation cost is increased due to frequent replacement of the brake pad, and normal operation of rail transit is affected. Therefore, the invention provides the organic track brake pad material with the high friction coefficient and the preparation method thereof. The material comprises 20-30% of thermosetting phenolic resin, 8-15% of bismaleimide resin, 8-12% of polyimide resin, 6-10% of high-strength carbon fiber, 6-10% of aramid fiber, 4-8% of basalt fiber, 3-6% of graphite, 2-5% of molybdenum disulfide, 3-6% of copper fiber, 2-5% of silicon carbide particles, 3-6% of barium sulfate, 2-4% of aluminum oxide, 2-4% of talcum powder, 2.5-5% of a curing agent and 1.5-3.5% of other auxiliaries. The friction performance of the organic track brake pad material is improved under the condition that other performance of the organic track brake pad material is not reduced, the defect of the friction performance of an existing brake pad material is effectively overcome, and reliable guarantee is provided for high-performance safe operation of track traffic.

A system, e.g., for connecting a tie bar or other suspension member to a magnetic device in a magnetic track brake device, includes a bolt, a washer, and a taper dowel. The bolt includes a shaft having a first end and a second end, and a head attached to the first end. The washer is configured to fit about the shaft. The taper dowel is configured to fit about the shaft. The second end of the bolt shaft is configured to fit into a first aperture in the magnetic device, and the taper dowel, disposed about the shaft, is configured to fit within a second aperture in the suspension member. The second aperture corresponds in shape to an outer peripheral surface of the taper dowel, for the bolt to connect the suspension member with the magnetic device.

The invention discloses a magnetic track brake electromagnet coil, a magnetic track brake electromagnet and a preparation method. The magnetic track brake electromagnet coil comprises a winding, a coil frame, an insulating layer, a cover plate and a heat insulation layer. The winding is arranged in a coil groove of the coil rack, and the winding is formed by winding an enameled flat copper wire of which the temperature resistance level is H level or higher; the insulating layer wraps the winding; the cover plate is welded and fixed at the opening of the coil slot and is used for sealing the coil slot; the heat insulation layer is arranged at the position, corresponding to the welding position of the cover plate, in the coil groove and used for blocking heat generated when the cover plate is welded. Damage of welding heat to the coil is effectively avoided, the overall sealing performance and environmental adaptability of the coil are improved, and therefore long-term stable operation of the coil is guaranteed.

The invention relates to the technical field of machining of track brake discs, and discloses a machining method for a track brake disc, which comprises the following steps: designing a brake disc model, and designing a mold model for sand mold casting; according to the mold model, an upper mold and a lower mold for sand mold casting are manufactured; molding sand is manufactured, and a sand box is designed; casting is completed through a mold, molding sand and a sand box, and a sand mold is formed; designing a brake disc sand core model, and manufacturing core sand and a sand core; a loosening detection area of the sand mold is obtained, detection is completed, and qualified sand molds are screened; combining the qualified sand mold and the sand core to form a pouring mold; metal is smelted and detected, and qualified molten metal is screened and then poured; taking out the casting rough blank after natural cooling, and cleaning to form a casting; and the casting is subjected to heat treatment and turning, and finally quality detection is conducted. The casting quality of the brake disc can be effectively improved by performing looseness detection on the sand mold, it is ensured that a casting mold does not displace or collapse when molten metal is poured, and the structural integrity of a casting is guaranteed.

The utility model relates to a rail brake device and rehabilitation treatment equipment. The track brake device and the rehabilitation treatment equipment comprise a mounting plate, one end of the mounting plate is arranged in a track, a brake mechanism, a spring and a driving motor are arranged on the mounting plate, the output end of the driving motor is connected to the side, away from the track, of the mounting plate, and one end of the spring is connected to the output end of the driving motor; the braking mechanism comprises a braking push block and a braking block used for abutting against the track, the braking block and the braking push block are connected to the output end of the driving motor, the braking block is arranged on one side of the braking push block, and the driving motor is used for driving the braking push block to rotate. According to the scheme, good braking force can be provided, and the durability of the track braking device is improved while the track is not damaged.

The utility model discloses a kind of driving structure of pneumatic monorail crane, include track, drive frame, rack, driving component and brake component, wherein, track both sides are equipped with sliding groove, top surface fixed rack, support roller on drive frame is embedded in sliding groove, in addition, each group of rack is equipped with a set of driving component, including pneumatic motor, speed reducer, worm worm wheel and walking gear, pneumatic motor power is transmitted to worm through speed reducer, worm drives worm wheel, worm wheel drives walking gear and rack meshing, realizes rack linear motion, brake component contains brake cylinder, brake shoe and spring, cylinder pushes brake arm to make brake shoe clamping tight track brake, spring reset releases brake, enhance safety and stability, the design combines gear rack antiskid, self-locking anti-falling and double brake, suitable for high stability requirement crane scene.

The invention relates to a brake magnet (1) of a magnetic rail brake device of a rail vehicle, comprising: an electromagnetic coil (2) having turns of an electrically conductive winding wire, said turns running around when viewed in the longitudinal direction of the brake magnet (1), such that a through-opening (7) is formed transversely to the longitudinal direction; the invention relates to an electromagnetic coil (2), in particular a magnetic core (2) having a horseshoe-shaped cross-section, comprising a yoke (8), which protrudes through a through-opening (7) of the electromagnetic coil (2) and is wound by the electromagnetic coil (2) by an upper traction device (9) and a lower traction device (10), and two pole shoes (13, 14), which are designed at the end faces for frictional contact with a rail head of a rail. The invention is characterized in that the magnetic core (3) comprises two magnetic core halves (4, 5) which are connected to each other and each have a yoke part (15, 16) of a yoke (8), said yoke parts protruding into the through-opening (7) of the electromagnetic coil (2), and in that the electromagnetic coil (2) is implemented without the electromagnetic coil body and in a dimensionally stable and / or self-supporting manner.

The utility model discloses a rail brake motor cylinder. Comprising a motor, a planetary gear reducer, a push rod component, an energy storage mechanism and a push rod connector. The motor is connected with the planetary gear speed reducer, the planetary gear speed reducer is connected with the push rod component, the push rod component is sleeved with the energy storage mechanism, and the energy storage mechanism is connected with the push rod connector; the push rod component comprises a push rod, a push rod nut and a push rod sheath, the push rod sheath is arranged on the planetary gear speed reducer, the push rod is arranged in the push rod sheath, the push rod is connected with the planetary gear speed reducer, the push rod is sleeved with the push rod nut, the push rod nut is slidably sleeved with an energy storage mechanism, and the energy storage mechanism is located in the push rod sheath; the push rod is a lead screw with a self-locking function, and the energy storage mechanism stores energy through pressure of a push rod nut and a push rod connector when the motor works and releases the stored energy when the motor stops. Energy is stored through the belleville spring when the motor works, the self-locking function of the trapezoidal lead screw is matched, the stored energy is released after the motor stops, braking force of a fixed value is continuously output, stable output of a train braking cylinder is guaranteed, and the stability of train braking is guaranteed.

The invention provides a magnetic track safety braking system for a normal-conducting high-speed maglev train, and the system comprises an electric control subsystem which is installed at the bottom of a train body of the train, and is used for receiving an emergency braking signal, determining the number of magnetic track brakes needing to participate in braking and the magnitude of power-on current according to the weight of the whole train, and transmitting an emergency braking instruction; the magnetic track brakes are installed on the two sides of the bottom of the train walking mechanism in a distributed mode and used for responding to the emergency braking instruction to be powered on, and train braking is achieved by generating electromagnetic attraction to make contact friction with a track; and the storage battery is used for providing braking electric energy for the magnetic track brake. The problem that local stress is too large due to concentrated braking force is effectively solved, and the safety of the braking process and the durability of a vehicle structure are improved.

The utility model discloses a track brake connecting rod assembly belongs to track brake spare technical field, including moving plate, the bottom surface fixedly connected with support frame of moving plate, the below of moving plate is equipped with two industry tracks, the outer surface of two industry tracks all rolls and is connected with track wheel, the end of two track wheels mutual close is fixedly installed with drive shaft in common, the outer surface fixed mounting of drive shaft has two brake drums, one side of support frame is fixedly inlaid with two support cylinders, and the inner wall fixed mounting of two support cylinders has pneumatic cylinder. Through the setting of support cylinder inside pneumatic cylinder, can push linkage board and connecting rod move, can provide power for the quick movement of linkage board and connecting rod, then through the contact of brake pad and brake drum, can produce friction braking force, solve the problem that traditional drive motor braking exists and brakes for a long time, and the response speed is slow, can satisfy the requirement of braking performance to industry track vehicle.

The invention discloses a rack rail clamping vehicle, a driving assembly, a swing frame assembly and a rail braking device of the rack rail clamping vehicle, and the rail braking device comprises a fixing seat, a driving assembly, a swing frame assembly and a rail braking device, the push rod mechanism comprises a push rod of which the free end is provided with a first inclined surface; the movable part can axially move along the through hole, an inclined plane groove comprising a second inclined plane is formed in the upper part of the movable part, and the second inclined plane is in contact fit with the first inclined plane; and the hook piece is provided with a brake block and is fixed at the lower part of the movable piece. When the push rod extends out, the inclined surface cooperatively pushes the movable part to move upwards, so that the brake block abuts against the lower surface of the rail top plate to realize braking; when the push rod retracts, the movable piece moves downwards under the action of gravity to relieve braking. The swing frame assembly comprises a frame body and the rail braking device. The driving assembly comprises the swing frame assembly. The rack rail clamping vehicle comprises at least one driving assembly. The device is high in structural integration degree, small in size and capable of being matched with the underground narrow roadway environment.

The invention discloses a multifunctional organic fertilizer turning device, which comprises a crawler transport vehicle, the crawler transport vehicle is rotatably connected with a support through a rotating shaft, the crawler transport vehicle is provided with a driving mechanism, and the support is provided with a turning mechanism, and relates to the technical field of organic fertilizer manufacturing. An equipment walking switch of the walking controller is turned on through an external remote controller, meanwhile, walking frequency conversion can be adjusted through a panel knob on the walking controller, so that the walking motor works, the walking motor is matched with the walking gear box to drive the crawler transport vehicle to advance, and when a frequency converter in the walking controller provides a reverse rotation signal, the crawler transport vehicle is driven to move forwards. When the crawler transporter moves backwards, steering is achieved through a single-side crawler brake, so that operation is simpler and more convenient, an operator can competent for the operation through simple operation, the overall mechanical manufacturing cost, labor cost and energy consumption are low, the operator does not need to make close contact with organic fertilizer, and harm to the human body is reduced.

The invention discloses a magnetic track braking control system which is used for common braking force supplement of a rail transit vehicle and comprises a magnetic track braking control host, a magnetic track braking device and a braking force supplement trigger unit, and the magnetic track braking device is a magnetic track braking execution component of the rail transit vehicle. The magnetic track braking control host is a control host of the magnetic track braking device and is used for sending a magnetic track braking activation signal to the magnetic track braking device for magnetic track braking or canceling sending of the magnetic track braking activation signal to the magnetic track braking device for stopping magnetic track braking; and when the condition of supplementing the braking force is removed, the trigger signal is sent to the magnetic track braking control host, or when the condition of supplementing the braking force is removed, sending of the trigger signal to the magnetic track braking control host is cancelled. When the service braking function is applied, the control system increases the braking force according to different application conditions, the braking effectiveness of the rail transit vehicle is guaranteed, and the driving safety of the rail transit vehicle is guaranteed.

The present invention includes a fluid pressure cylinder (41), a fluid pressure unit (42), an orbit clamping device opening / closing detector (60) for detecting the operating state of an orbit clamping device that clamps an orbit of a clamping orbit (4), a traveling brake opening / closing detector (70) for detecting the operating state of a traveling brake provided at a traveling drive motor of an orbit traveling device, a traveling speed detector (80) for detecting the traveling speed of the orbit traveling device, and further includes a simple controller (90). The simple controller (90) outputs a control signal (90a) to the fluid pressure unit (42) based on the operating state of the orbit clamping device detected by the orbit clamping device opening / closing detector (60), the operating state of the traveling brake detected by the traveling brake opening / closing detector (70), and the traveling speed detected by the traveling speed detector (80).

The utility model provides a rack rail trapped rail vehicle and a cab thereof, the cab comprises a cab body and a trapped rail brake assembly, and the cab body is fixedly connected to the trapped rail brake assembly through a fastener; the rail clamping braking assembly comprises a top frame and two rail clamping braking parts arranged on the front side and the rear side of the lower face of the top frame. The rail clamping braking part comprises a movable frame, a plurality of elastic devices, a plurality of braking execution pieces and a braking device, and the elastic devices, the braking execution pieces and the braking device are installed on the movable frame; the elastic device is used for making the movable frame close to the top frame so that the braking device can conduct braking on the special-shaped rails on the two sides of the trapped rail vehicle track. The braking execution piece is used for enabling the movable frame to be far away from the top frame so as to release braking of the braking device on the special-shaped rail; the provided rack rail trapped rail vehicle adopts the cab, so that the safety is improved.

Method for determining the available frictional contact between at least one wheel (18) of a rail vehicle (10) and a running surface (12) of a rail on which the at least one wheel (18) rolls, comprising the following steps: - Contact at least one magnetic track brake (20) with the running surface (12) of the rail, - Determine at least one contact force (40) between the at least one magnetic track brake (20) on the running surface (12), - Determine at least one tangential force (42) between at least one magnetic track brake (20) and the running surface (12), - Determining the available frictional engagement between wheel (18) and driving surface (12) by processing at least one contact force (40) and at least one tangential force (42), wherein the at least one magnetic track brake (20) is used in such a way that no significant deceleration of the rail vehicle (10) occurs, and wherein the at least one magnetic track brake (20) is used in such a manner, that the procedure for determining the available frictional engagement is separate from a method for generating a braking force for braking the rail vehicle (10) is carried out.

The invention relates to a magnetic rail brake device (1) for a rail vehicle, having at least: at least one pressure medium actuated actuating cylinder (5), comprising a cylinder housing (10) and an actuating piston (7) movable relative to the cylinder housing (10); at least one magnet device (2), which is lowerable by means of the at least one actuating cylinder (5) into a lowered position onto a rail, in order to generate a magnetic attraction between the rail and the at least one magnet device (2) by means of a magnetic short circuit with the rail, and which is adjustable by means of the actuating cylinder (5) into a raised position lifted from the rail and into any intermediate position between the lowered position and the raised position; at least one raised position recognition device (17), which generates a raised position signal when the raised position is occupied by the at least one magnet device (2) in the raised position.

The present invention discloses a rod-type strong-wind-proof rail brake system, comprising a brake unit primarily composed of a brake rod, a brake frame, a brake cylinder, and a trapezoidal bolt assembly. The system is compact and easy to install, with minimal impact on the mechanical properties of the gantry crane. Furthermore, it features high wind-proof braking force, smooth dynamic braking, simple and quick braking operation, and effective strong-wind-proof braking. This system provides a wind-proof braking measure for gantry cranes in the event of sudden strong winds while in operation and provides strong wind protection when not in operation, effectively addressing the need for effective strong-wind protection for gantry cranes both in operation and out of operation.

The present application proposes a rail brake device, which may include: a mounting frame, a pressure brake mechanism and a side brake mechanism. The mounting frame includes a support plate and a clamping plate, and the two sides of the support plate are respectively connected with clamping plates at preset angles. The pressure brake mechanism includes an elastic brake plate connected to the mounting frame at one end, a brake link is provided on the elastic brake plate, the other end of the brake link is connected to the brake pressure plate, a brake friction block is provided on the brake pressure plate, and the brake friction block passes through the support plate. The side brake mechanism includes a reversing linkage, a side pressure plate is provided at one end of the reversing linkage, a side friction block is provided on the side pressure plate, and the side friction block passes through the clamping plate. A side brake linkage is also provided on the elastic brake plate, and the side brake linkage cooperates with the other end of the reversing linkage. The rail brake device of the embodiment of the present application has the characteristics of good braking effect and good placement stability, as well as long service life and low cost.

The utility model relates to the technical field of amusement park facilities, in particular to a telescopic track brake device which comprises a connecting frame, a driving frame and a fixing frame, a brake rod is movably connected to the lower portion of the connecting frame, a driving gear is movably connected to the outer side of the fixing frame, a driving motor is fixedly connected to the lower portion of the connecting frame, and the driving gear is movably connected to the outer side of the fixing frame. A connecting pipe is fixedly connected between the connecting frame and the driving frame, an emergency box is fixedly connected to the lower portion of the connecting frame, a driving disc is movably connected to the interior of the emergency box, a movable disc is movably connected to the interior of the emergency box, and connecting wheels are braked by starting a driving motor; when the roller coaster rapidly moves, the roller coaster track drives the connecting tooth buckle, the connecting tooth buckle is pulled open, the connecting tooth buckle is clamped with the tooth ring in the driving disc, the connecting tooth ring drives the emergency abrasion block, the roller coaster is fixed to the track, and the roller coaster is suddenly stopped.

The invention discloses an integrated anti-torsion wiring device for a magnetic rail brake, comprising a shell, which is a rectangular parallelepiped, with first threaded holes at both left and right ends of the shell, two symmetrical second threaded holes at one side of the shell, and an opening at the other side of the shell. Two unconnected cavities are arranged inside the shell, and the cavities are connected to the second threaded holes. A square sink is arranged near the opening of the shell, an insulating plate is installed on the square sink, the insulating plate is provided with two through holes corresponding to the central axis of the second threaded holes, strip grooves are arranged around the outer through holes of the insulating plate, and wiring studs are installed on the through holes; the purpose of anti-torsion of the wiring device is achieved, installation space is saved, the reliability of electrical connection is improved, and the sealing and waterproof properties of the magnetic rail brake are increased.

The invention relates to a magnetic rail braking device which comprises a suspension mechanism and a braking mechanism connected with the suspension mechanism, and the suspension mechanism is connected with a bogie of a vehicle and used for adjusting the distance between the braking mechanism and a steel rail. The braking mechanism can be attracted to a steel rail, the braking mechanism comprises rectangular braking frames defined by two electromagnets and two transverse pull rods, the suspension mechanism comprises suspension air cylinders connected to the rectangular braking frames respectively, and the ends, connected with the rectangular braking frames, of the suspension air cylinders are provided with connecting parts. According to engineering application of an existing magnetic track braking technology on an existing metro vehicle, the magnetic track braking device is installed on the lower portions of two side frames of a metro vehicle bogie and between two wheels on the same side, and the magnetic track braking device has the advantages of being high in strength, large in thrust and variable in direction.

1. Name of the designed product: brake arm. 2. Use of the designed product: the designed product is used for railway track brake rail. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

An arc defining apparatus for defining a predetermined arcuate path on a workpiece, comprises a radius track having radius track pivot means providing a pivot point around which the radius track is rotatable and a radius tool carrier having a radius brake. The radius track brake is operable to fix the radius tool carrier to the radius track at a predetermined position. The predetermined position corresponds to the radius of the predetermined arcuate path. The arc defining apparatus further comprises a pivot support adapter having attachment means and adapter pivot means. The attachment means is operable to attach the pivot support adapter to a support and the adapter pivot means is disposed to co-operate with the radius track pivot means to provide the pivot point.

The utility model provides a material carrying system, and relates to the technical field of semiconductor manufacturing. Comprising a carrying assembly used for carrying materials; the driving wheel set is arranged at one end of the top of the carrying assembly, and the driving wheel set is used for connecting the carrying assembly to the track in a sliding mode and taking electricity from the track to drive the carrying assembly to move along the track; the driven wheel set is located at the top of the carrying assembly, is opposite to the driving wheel set and is used for connecting the carrying assembly to the track in a sliding manner; the brake is arranged on the driving wheel set, and when the rail is powered off, the brake locks the driving wheel set; the standby power supply is electrically connected with the brake when the track is powered off; and the controller is electrically connected with the standby power supply and used for controlling whether the standby power supply supplies power to the brake or not. The working efficiency can be improved, the climbing operation frequency of workers is avoided, the safety risk caused by climbing operation is reduced, and the operation safety is improved.

The invention relates to a single-action cylinder for a magnetic track brake, which comprises a cylinder body, a piston, a piston rod and an end cover, the end cover is arranged at the end of the cylinder body to enable the cylinder body to form a closed cavity, the piston is arranged in the cylinder body, and the piston rod extends into the cylinder body from the outer side of the end cover and is connected with the piston. A sealing ring is arranged on the periphery of the piston and divides the cylinder body into an elastic cavity and an air inflation cavity which are isolated from each other, the elastic cavity is provided with an elastic piece which abuts against the inner wall of the cylinder body and the piston, an air inflation opening is formed in an end cover at the end, away from the piston rod, of the cylinder body, and the air inflation opening is communicated with the air inflation cavity. A connecting portion is arranged at the end of the piston rod, the connecting portion can move relative to the outside when connected with the outside, the single-acting air cylinder for the magnetic track brake is designed and installed on the lower portions of two side frames of a bogie of the metro vehicle according to the characteristics of the metro vehicle, the single-acting air cylinder is arranged between two wheels on the same side, and the single-acting air cylinder has the advantages of being high in strength, large in thrust and variable in direction.

A system, e.g., for connecting a tie bar or other suspension member to a magnetic device in a magnetic track brake device, includes a bolt, a washer, and a taper dowel. The bolt includes a shaft having a first end and a second end, and a head attached to the first end. The washer is configured to fit about the shaft. The taper dowel is configured to fit about the shaft. The second end of the bolt shaft is configured to fit into a first aperture in the magnetic device, and the taper dowel, disposed about the shaft, is configured to fit within a second aperture in the suspension member. The second aperture corresponds in shape to an outer peripheral surface of the taper dowel, for the bolt to connect the suspension member with the magnetic device.

The invention provides an agricultural machinery steering control transmission system and a crawler-type harvester, the agricultural machinery steering control transmission system comprises a first shaft, a second shaft and a third shaft, the third shaft is in transmission connection with the first shaft, the middle part of the third shaft is rotatably connected with an intermediate gear, and the intermediate gear is in transmission connection with the second shaft; output gears and first transmission gears are arranged on the left side and the right side of the intermediate gear, and the output gears are in transmission connection with the intermediate gear through first clutches on the same sides and are in transmission connection with the first transmission gears through second clutches on the same sides; the second shaft is provided with a second transmission gear, and the second transmission gear is in transmission connection with the second shaft through a third clutch and meshed with the first transmission gear. By the adoption of the steering system, selection of multiple steering modes can be achieved by controlling the three clutches, inertial impact caused by a traditional single-side crawler braking steering mode is avoided, and the operation comfort is improved.

The application discloses a full-width track conveying type cloth laying device, which comprises a rack, a cloth laying main machine, a cloth laying track, a feeding roller, a fabric transfer mechanism, a track tensioning mechanism and a walking belt arranged on the rack, a shearing mechanism arranged on the cloth laying main machine, the cloth laying main machine being in sliding connection with the rack and connected with the walking belt, the cloth laying track and the walking belt on the rack being annular, first, second and third track brakes corresponding to the cloth laying track being arranged on the cloth laying main machine, the walking belt being connected with the track tensioning mechanism, a speed regulating mechanism being arranged between the cloth laying track and the feeding roller, a driving motor being connected with the walking belt, a vibrating roller being arranged on the rack, the vibrating roller being capable of generating vibration on the upper layer of the cloth laying track at a cloth laying part, so that the fabric on the cloth laying track releases tension through the vibration, the deformation during cloth laying is reduced, and the cloth laying quality is improved.

A rail braking and overturn-preventing device of a portal crane comprises a bottom plate, a braking device, a braking driving device and a braking return device, the brake driving device comprises a wedge-shaped block guide column fixedly connected with the wedge-shaped pressing block, a connecting plate hinged to the wedge-shaped block guide column, a driving plate hinged to the connecting plate, a driving plate guide column for guiding the driving plate to slide, a driving plate guide column mounting plate parallel to the driving plate, and a driving plate guide column mounting plate arranged on the driving plate guide column and connected with the driving plate guide column mounting plate. The driving plate spring is positioned between the driving plate and the driving plate guide column mounting plate; the driving plate spring is in a compressed state; the brake return device comprises a return motor, a return lead screw and an electromagnet; the return lead screw is driven by the return motor to axially move and can push the driving plate to move; the electromagnet can attract the driving plate, so that the driving plate cannot be pushed by the driving plate spring; and the electromagnet has magnetism when being electrified to attract the driving plate, and has no magnetism when being de-electrified, and the driving plate moves under the action of the driving plate spring.