209results about How to "Timely braking" patented technology

The invention belongs to the field of intelligent safe driving, and particularly discloses a people-avoidance and collision-avoidance system and method for vehicles at a crossroad without signal lights. The system includes a crossroad terminal, a wireless communication module, a vehicle information acquisition module, a central processing module, a collision pre-warning module and a brake controlmodule; the crossroad terminal, the wireless communication module, the vehicle information acquisition module, and the collision pre-warning module are connected with the central processing module. The system is a system based on an LTE-V communication mode, a millimeter-wave radar and GPS positioning, through a vehicle-vehicle communication mode and a vehicle-road communication mode, the states of pedestrians at the dead zone of the crossroad and the motion states of surrounding vehicles are obtained, whether risks of collision exist or not is judged, alarming is conducted through a HIM interface so as to remind a driver of reducing the speed or changing lanes, and when necessary, the speed of a vehicle is controlled to be reduced so as to avoid collision.

A studless tire capable of suppressing a vehicle from staggering at the time of braking on icy and snow-covered roads, including a tread portion 2 provided with at least six block rows R1 to R4, wherein each block B is provided with sipes having a depth of at least 3.0 mm, and the block rows comprises at least two crown block rows CR disposed in a crown region Ac extending from the tire equator C as its center to have a width of 50% of the tread width TW, and at least two shoulder block rows Sh disposed on each axially outer side of the crown block rows CR, and wherein lateral grooves 4 provided in a block row are inclined in the opposite direction, with respect to the axial direction, to lateral grooves provided in an axially adjacent block row.

The invention relates to a blade fault diagnostic method based on a strain energy response of a wind-driven generator, which comprises the following steps of: (1) obtaining the natural frequencies and the modes of the first M orders of the blade of a wind generator set by performing dynamic modeling and model analytical calculation to the wind generator set; (2) simulating the rotational excitation load of the blade through finite element calculation to the wind generator set to obtain strain energy time domain responses corresponding to the cabin sensor set points of the first M orders of the blade of the wind generator set, and then calculating strain energy frequency domain responses; and (3) obtaining the running state characteristic values of the blade of the wind generator set from the strain energy frequency domain responses corresponding to the cabin sensor set points of the first M orders of the blade of the wind generator set through the strain energy and the rate of change thereof and the method of a support vector machine, and then comparing to obtain a diagnostic result. The blade fault diagnostic method based on the strain energy response of the wind-driven generator related to the invention is simple and easy, high in sensitivity and accuracy and low in diagnostic cost, and can effectively improve the safety and reliability of the blade of the wind generator set and accurately perform fault point positioning, fault qualification and prediction for the blade.

The invention discloses a novel elevator car braking device, and in particular, relates to the field of mechanisms and electric engineering. The elevator car braking device comprises a tension sensor mounted at the top of an elevator car and connected with a load cable, clamp mechanisms mounted at the bottoms of all floors of a building, guide rails and guide rail grooves, electromagnetic mechanisms and compression springs positioned at control ends of the clamp mechanisms, and distance sensors, hand brakes and other auxiliary devices between the clamp mechanisms and the electromagnetic mechanisms. The power failure of the electromagnetic mechanisms is controlled through an automatic or manual mode, so that two pairs of the clamp mechanisms are ejected out to stop the falling of the elevator car. The elevator car braking device has important practical significance no matter in the industrial reform or in the social safety, and is worthy of being applied and promoted.

The invention discloses an automotive braking automatic auxiliary system and a control method thereof. The automotive braking automatic auxiliary system comprises a power supply module and an electronic controller; the electronic controller is connected with a road surface selecting unit, a speed monitoring device, a road surface humidity sensor, a distance measuring sensor, an alarm module and a brake parachute system; the power supply module provides power for the electronic controller and the brake parachute system. The control method includes that the safe driving distance is calculated out through the electronic controller according to the current speed and the road surface driving environment; the relation between the current actual distance and the safe distance is measured out through the distance measuring sensor; an appropriate control instruction is given out through the electronic controller according to the relation between the current actual distance and the safe distance. According to the automotive braking automatic auxiliary system and the control method thereof, real-time all-around monitoring can be performed on the driving environment, the driving pressure of drivers can be reduced, and the safe driving under different environmental road surfaces can be ensured.

The invention relates to a compensating device for an elevator. The compensating device comprises a guiding device, a fixing device, a stroke switch frame, a limit bow striking frame, a clump weight and a safety device, wherein the safety device comprises safety tongs, a lifting rod, a linkage device, a pull rod and a positioning plate; two safety tongs are fixedly connected at the two ends of the guiding device respectively; the lower end of each safety tongs is fixedly connected with the upper end of the lifting rod; the lower end of the lifting rod is connected with the linkage device; the linkage device penetrates into a reserved hole of the guiding device and can radially rotate; the upper end of the pull rod is connected with the linkage device, and the lower end of the pull rod penetrates into the hole of the positioning plate; and the positioning plate is fixed on the fixing device. In the technical scheme of the invention, when the guiding device moves upwards, the pull rod can move upwards with the guiding device, and after the pull rod moves for a certain distance, the safety tongs can act, so that the guiding device brakes on the fixing device timely and is prevented from rushing out of the fixing device.

The invention discloses a vehicle power control method and system, a computer readable storage medium and a vehicle. The vehicle power control method comprises the steps that the accelerator pedal opening is obtained and whether an accelerator pedal is stepped on or not is judged; on-off information of a brake pedal is obtained and whether the brake pedal is stepped on is analyzed; a pressure value of a brake master cylinder is obtained; vehicle demand power is explained according to the opening of the accelerator pedal in response to the accelerator pedal not being stepped on; the vehicle demand power is explained according to the opening of the accelerator pedal in response to the accelerator pedal being stepped on and the brake pedal not being stepped on; in response to the acceleratorpedal and the brake pedal both being stepped on, the pressure value of the brake master cylinder is more than a pressure threshold value Prs1, the time of the accelerator pedal and the brake pedal both being stepped on is more than or equal to a threshold value T1, the whole vehicle demand power is analyzed according to the pressure value of the brake master cylinder and the opening of the accelerator pedal, if not, the vehicle demand power is explained according to the opening of the accelerator pedal, but a power threshold value Pwr3 cannot be exceeded. The vehicle power control method guarantees the safety, and has a good driving experience.

The invention discloses a vehicle braking method, system and equipment and a medium. The vehicle braking method comprises the following steps: receiving a starting signal sent by an automatic drivingsystem; responding to the starting signal, and collecting a speed change rate and a stroke of a brake pedal through a pedal stroke sensor; obtaining an initial brake pressure corresponding to the stroke of the brake pedal based on the fact that the speed change rate is greater than a preset first threshold value; increasing the initial brake pressure to obtain an actual brake pressure; braking thevehicle according to the actual brake pressure. According to the method, the speed change rate of the brake pedal can be detected in real time, and when the speed change rate is larger than the threshold value, the brake pressure is increased, so that rapid braking is achieved; three brake pressure curves are adopted to obtain different initial brake pressures, that is, different brake pressure curves are obtained before and after the automatic driving system is started, so that the actual brake pressure can be changed along with different road conditions and vehicle conditions, and a drivercan brake the vehicle in time.

A game platform motion drive system, the system includes: a bearing device, a Z-direction drive device, an XY-direction drive device, a gravity balance device, a game platform, a safety protection device and a control system. The control system controls the action of the power device of the Z-direction drive device and the XY-direction drive device to drive the game platform to move up, down, left, and right. There is also a gravity balance device to balance the gravity to reduce the power load of the Z-direction drive device. At the same time, the XY-direction drive device is driven up and down by the weight balance device to ensure that the XY-direction drive device can correctly drive the movement of the game platform in this direction. Users can experience bumps, tumbling, weightlessness and other sports carried by the game platform. With sports game equipment or AR glasses, users can experience the ultimate game experience.

The invention provides a braking takeover system and method, and relates to the field of vehicle driving. The braking takeover system is applied to vehicles, and includes a vehicle body collision sensor, an electronic stabilization system and an electronic parking system, wherein the vehicle body collision sensor is used for monitoring collision of the vehicles, and sending the collision information to the electronic stabilization system when the vehicle collision is detected, and the electronic stabilization system is used for receiving the collision information, controlling the operation ofthe braking takeover vehicles when the collision information satisfies a preset condition, and sending the operation control information to the electronic parking system. The electronic parking systemis used for receiving the operation control information and controlling the stopping and braking of the vehicles. The method can prevent the vehicle from losing control and causing secondary collisions, and reduce the damage of vehicle collision accident by controlling the operation of the vehicles under the preset condition.

The invention discloses an automobile automatic braking system applicable to four types of pavement and a control method thereof; the system comprises an electronic controller, a detection device, an actuation device and a power module. The control method comprises the following steps that the electronic controller calculates a real-time automobile braking distance through a real-time automobile driving speed and a pavement driving environment, measures the real-time distances between two vehicles on the same lane, a vehicle and an object, a vehicle and a person through a ranging sensor, sends out a control instruction according to a control program, brakes a vehicle and gives out a voice alarm. The automobile automatic braking system has the characteristic of high intelligentization degree, and can ensure safe driving on the pavement in different environments.

The invention relates to an unmanned vehicle and an unmanned vehicle braking method. The unmanned vehicle comprises an automatic emergency braking device. The automatic emergency braking device comprises a detector used for detecting environment information around the unmanned vehicle, and a controller which is used for carrying out braking control on the unmanned vehicle when the environment information detected by the detector meets a braking condition and an industrial control computer of the unmanned vehicle is in an abnormal working state. According to the technical scheme, safety redundancy of the unmanned vehicle can be achieved through the automatic emergency braking device, which means that when the industrial control computer of the unmanned vehicle is abnormal, the automatic emergency braking device can also brake the unmanned vehicle in time, and driving safety of the unmanned vehicle can be improved.

The invention relates to a color anti-skid ultrathin wearing layer capable of degrading automobile exhaust and a preparation method thereof. The wearing layer consists of the raw materials as follows: epoxy resin, modified epoxy resin, a composite photocatalyst, amine-terminated polyether, a curing agent, a curing accelerator and aggregates. The wearing layer also can be prepared from the raw materials as follows: double-component polyurethane, a composite photocatalyst, a curing agent, a curing accelerator and aggregates. Before the wearing layer is laid, the original road surface needs to be treated, then paying-off and edge protection are performed, binders are mixed, color anti-wear aggregates capable of degrading exhaust gas are scattered uniformly, non-bonded aggregates are recovered, and finally maintenance of the wearing layer, traffic control and opening are performed. The wearing layer has performances of degrading the automobile exhaust and purifying air, can increase the road friction so as to enable the road surface to maintain excellent water mist-proof and anti-skid pavement performance, achieves effects of traffic warning and environment beautifying visually, and has excellent environmental benefit and social benefit.

The invention discloses a vehicle travel control method, a device and a vehicle. The vehicle traveling control method comprises the following steps: obtaining a distance d of the vehicle from an intersection stop line, a remaining time t of a red light at the intersection and a vehicle speed v of the vehicle; Obtaining a deceleration a corresponding to the vehicle not running a red light from thed, t and v; When the absolute value of a is greater than a preset threshold value and the driver is detected to have no braking action at this time, the driver is prompted to brake. As that vehicle move towards an intersection where signal light are installed and the signal lights are in a red light condition, By calculating the deceleration a and detecting the driver's braking action, the methodcan prompt the driver to brake in time, thus assisting the driver to control the vehicle to stop at the red light intersection smoothly and reducing the discomfort of the body.

The invention provides a novel crane luffing mechanism which plays the role of double brake protection on a roller and an arm support luffing mechanism and improves the safety of a crane. The novel crane luffing mechanism comprises a motor, a control system, high-speed shaft brakes, a reduction gearbox, a winding drum, a winding drum support and a steel wire rope wound on the winding drum, wherein the high-speed shaft brakes are arranged at the two sides of the high-speed shaft end of the reduction gearbox, at least one end of the winding drum is provided with a disc type low-speed shaft brake, and a brake disc of the disc type low-speed shaft brake is fixed with the winding drum into a whole on the end face of the winding drum. According to the invention, the disc type low-speed shaft brake is additionally arranged at the end part of the winding drum, so that the disc type low-speed shaft brake can brake the winding drum and the arm support luffing mechanism when great faults such as the failure of the high-speed shaft brakes at the high-speed shaft end of the reduction gearbox, the tooth breaking of the reduction gearbox, the shaft breaking and the like, thereby ensuring the safety of the arm support luffing mechanism and the whole machine; and the rotating speed of the winding drum can be detected in real time through the arrangement of a rotating speed detector, and the wind drum can be braked quickly, so that the safety of the equipment can be ensured.

The invention discloses an obstacle encountering treatment method for a fire-fighting robot. The method comprises following steps: traveling obstacle detection: whether a traveling obstacle exists onthe front of traveling is detected in an automatic traveling process of the robot, and when the traveling obstacle is detected, size information of the traveling obstacle is acquired; and response tothe traveling obstacle: when size of the traveling obstacle exceeds a preset safe value, the robot brakes away from the traveling obstacle by safe distance, the size information is sent to a command set, and after a next action command of the command set is received, an action corresponding to the command is executed. According to the obstacle encountering treatment method for the fire-fighting robot, whether the robot can safely pass the obstacle can be recognized and judged very well, and braking and alarming are performed in time, so that safety of the robot when the robot encounters the obstacle can be well guaranteed.

The invention discloses a reciprocating dynamic cycling bike. The reciprocating dynamic cycling bike includes a base, a frame is fixed above the base, a bike head is installed on the front portion ofthe frame, a cushion is mounted in middle of the frame, driving wheels are arranged at the lower part of the frame, the driving wheels is connected with the frame through a rotating shaft, the two ends of the rotating shaft are connected with cranks, pedals are connected to the cranks, a hydraulic damper is further arranged on the base, the hydraulic damper comprises two hydraulic cylinders whichare arranged in a bilateral symmetry mode, the hydraulic cylinders are hinged to the base, a connecting rod is hinged to a piston rod of each hydraulic cylinder, the connecting rod is connected to thecrank in the corresponding direction in a sleeving mode, a flow regulating valve is arranged between the two hydraulic cylinders, the flow regulating valve is arranged on a mounting box, the mountingbox is connected with the base, and the left and right ends of the flow regulating valve are respectively communicated with a liquid in the hydraulic cylinder through hoses. The hydraulic cylinder isadopted to replace a traditional inertia flywheel to serve as a damper of the dynamic cycling bike, damping directly acts on the pedals, so that the transmission efficiency is high.

The invention discloses a bearing device with a front emergency brake, for a building. The bearing device comprises a rectangular bearing box, wherein a group of rectangular openings are formed in one end surface of the rectangular bearing box; bar-shaped bearing boxes matched with the group of the rectangular openings are fixedly connected to the side surface of the rectangular bearing box; a rectangular bearing frame is arranged on the lower surface of the rectangular bearing box; a moving mechanism is arranged on the lower surface of the rectangular bearing frame; a propelling mechanism is arranged on one side surface of the rectangular bearing frame, and an emergency brake mechanism is arranged on the other side surface of the rectangular bearing frame; a stirring mechanism is arranged in the rectangular bearing box; a control box is arranged on the side surface of the rectangular bearing frame; a controller and an accumulator are arranged in the control box; and the accumulator is electrically connected with the controller, and the controller is electrically connected with the stirring mechanism. The bearing device disclosed by the invention has the beneficial effects of being simple in structure and high in practicability.

The invention relates to the technical field of automobile safety, in particular to an accelerator misoperation protecting system and a vehicle. The system comprises a trigger switch, a power source and a transmission mechanism. The trigger switch is used for being arranged below an accelerator pedal with the preset distance. The trigger switch is electrically connected with the power source so as to trigger the power source to work. The power source is used for being connected with a brake plate through the transmission mechanism so as to pull the brake plate to achieve braking. The accelerator misoperation protecting system will not affect normal vehicle running and can timely brake the vehicle in emergency, thereby being sensitive in respond and high in safety performance.

Provided is a self-braking support moving trolley. The self-braking support moving trolley comprises a platform arranged on an I-shaped steel track in a sliding mode through a wheel axle. The I-shaped steel track comprises two pieces of I-shaped steel, and the two pieces of I-shaped steel are arranged in parallel and connected through a fixing plate. One of the two pieces of I-shaped steel is provided with a brake mechanism. The platform is provided with a lifting mechanism. The lifting mechanism comprises a bearing plate arranged above the platform, a lifting jack arranged between the bearing plate and the platform, two supporting guide barrels symmetrically arranged on the two sides of the lifting jack, and supporting guide rods in sliding connection with the supporting guide barrels correspondingly. The bearing plate is provided with a rotating mechanism. The self-braking support moving trolley has a high degree of automation and high moving efficiency, can adjust the position of fore-polings transported thereon, has higher adaptability, can be braked in time stably, and greatly improves the safety property and production efficiency.

The invention discloses an escape system capable of gliding in deceleration, which belongs to a device capable of controlling a gliding speed by means of a gliding process of a rope. The escape system comprises a tube body with two panels and an escape rope, wherein a manual brake device and a speed reducer are arranged in the tube body; the short side of an L-shaped brake handle of the manual brake device is adjacent to a fixed block, the long side of the L-shaped brake handle extends out of the side of the tube body, and the L-shaped brake handle is rotatably connected with the panels; and the speed reducer is composed of two guide pillars at a fixed interval up and down, and the spread ratio of the distance between the two guide pillars to the diameter of the escape rope is equal to 1.0: (0.8-1.1). The escape system disclosed by the invention has the advantages that the mechanism for controlling the gliding speed is simple, but the modes for controlling the sliding speed are various, and especially, the position relation of the manual brake device and the speed reducer can be used for controlling the gliding speed, so that the speed can be completely and freely controlled by people in the gliding process, the braking is timely, and the gliding process is safe.

The invention relates to the technical field of corrugated boards, and discloses a corrugated board crushing, recycling and stirring device. The device comprises a shell, wherein crushing wheels are movably connected to the outer portion of the shell, boxes are movably connected to the interiors of the crushing wheels, movable blocks are movably connected to the interiors of the boxes, and trigger assemblies are movably connected to the interiors of the boxes. Under the interaction of all structures of the device, corrugated boards can be crushed in a multi-stage manner under the action of the crushing wheels and crushing rods, so that the corrugated boards are crushed more thoroughly, subsequent processing is facilitated, the time for crushing a plurality of times is saved, and the working efficiency is improved; and moreover, the crushing wheels can be decelerated and braked in time when stalling, normal use of the device is ensured, the crushed corrugated boards are subjected to water spraying and stirring processing, and therefore the corrugated board processing efficiency is improved, and the working safety of operators is guaranteed.

The invention belongs to the technical field of a cage stranding machine wire-stranding apparatus, and discloses a cage stranding machine wire-stranding apparatus with protection mechanisms. The cage stranding machine wire-stranding apparatus comprises a main shaft and a winch; the winch is arranged on the outer wall of the main shaft in a sleeving manner; the main shaft is also sleeved with a driving gear; the winch is also provided with un-twisting gears connected with an un-twisting apparatus; un-twisting transmission gears are arranged between the driving gear and the un-twisting gears; the protection mechanisms are arranged on the edges of the left and right side walls of the winch respectively; the protection mechanisms are mounted on a fixed frame; each protection mechanism comprises a protection shell; the inner wall of the protection shell is movably connected with two groups of semi-gears through a rotary shaft; an iron rod with a gear is meshed between the two groups of semi-gears; and the iron rod is sleeved with a limiting ring. By adoption of the cage stranding machine wire-stranding apparatus, the un-twisting apparatus can operate stably and smoothly, noise is lowered, and yield is improved consequently; and in power failure or equipment fault conditions, the protection apparatus can brake in time so as to avoid wire core scattering on the winch.

The invention discloses a brake for a large rotating shaft. The brake comprises a rotating mechanism and a braking mechanism. The rotating mechanism comprises a supporting device. A shaft sleeve is arranged on the top of the supporting device. The large rotating shaft is fixed in the shaft sleeve through a bearing. A first braking plate is fixed to one end of the rotating shaft through a fixing plate. The braking mechanism comprises a main hollow shell fixing plate. A main hollow shell is fixed to the top of the main hollow shell fixing plate. An electromagnetic mechanism is installed in the center of the main hollow shell. A connecting rod penetrating through the main hollow shell is installed in the electromagnetic mechanism. By combining the electromagnetic effect and the air pressure effect, the effective and rapid braking effect can be achieved, and the rotating shaft can be braked in time; by arranging a gas pressure control mechanism in an aerodynamic part, the brake can have aneffective protection effect and is long in service life and strong in practicability.

The invention relates to a safety gear with easy control of synchronism. The safety gear comprises two car bottom framework steel channels and a middle beam, wherein the middle beam is positioned between the two car bottom framework steel channels, the middle parts of the outer walls of the two car bottom framework steel channels are respectively provided with a lifting assembly and a safety gear assembly, each lifting assembly comprises a lifting rod and a fixing plate, each fixing plate is used for further fixing the corresponding lifting rod and the corresponding car bottom framework steel channel, the two lifting assemblies are connected by a transverse rod and the middle beam in parallel, the two ends of the transverse rod are connected with two sleeve tubes, the inner diameter of each sleeve tube is the same with the outer diameter of the transverse rod, the two ends of the transverse rod are screwed into the sleeve tubes, the connecting part of the transverse rod and the corresponding sleeve tube is fixed by a first positioning pin, and the other ends of the two sleeve tubes are fixedly arranged on the lifting rods at the two sides. The safety gear has the advantages that the synchronism is guaranteed in the manufacturing process, the subsequent inspection and adjusting process is not needed, the time and labor are saved, and the large-scale production of enterprises is convenient.

The invention relates to an automatic blanking machine pay-off disc of a mining anchor cable, and belongs to the technical field of coal mine machinery. The automatic blanking machine pay-off disc ofthe mining anchor cable is characterized in that when an anchor cable blanking operation is carried out, the bundled anchor cables are placed on a rotating disk above a sliding base, a middle shaft penetrates through the center of the anchor cable bundle, after the anchor cable bundle is placed on the sliding base, the sliding base moves downwards under the action of gravity; a spring seat compresses a reset spring, when the sliding base moves downwards, the spring seat pushes connecting rods through hinge mechanisms, and the connecting rods push sliding blocks to move towards the outer side in sliding grooves; and the anchor cable bundle is tightly pressed by baffles under the action of springs, after blanking of the anchor cable is finished, the gravity of the sliding base disappears, and the reset spring drives the sliding base to move upwards. According to the automatic blanking machine pay-off disc, the rotating disc is arranged on the sliding base, the anchor cable bundle placedon the sliding base can be freely rotated through the rotating disc, the blanking speed is increased, meanwhile, double-brake can timely brake the anchor cable bundle, and the accuracy of blanking andcutting of the anchor cable is effectively improved.

The invention discloses a deviation correcting device for a bag making machine. The deviation correcting device is characterized by comprising an electric circuit, on-off keys, adjustment keys, an operation panel, a display screen, a power line, deviation correcting devices, a manual wheels, a baffle, a heater, a motor, footings, an electric control box, brackets, and a workbench; the electric circuit is connected with the on-off keys, and each of the deviation correcting devices is composed of an inductor, a deviation correcting controller, a stepping motor, a tension controller, a screw, a base, a rack, a supercharger, and a magnetic powder brake; and the inductor is connected with the deviation correcting controller through the power line, the deviation correcting controller is connected with the stepping motor, the tension controller is connected with the screw, the supercharger is connected with a magnetic powder brake, and the workbench is connected with the electric circuit. Thedeviation correcting device for bag making machine is provided with the deviation correcting devices, so that the pressure is increased so that the magnetic powder brake can be braked in time, the original track is maintained, and the deviation correcting reaction and accuracy are improved.

The invention discloses a brake device of an electric cleaning and checking vehicle and a control method. The brake device comprises a wheel and a mounting block, wherein the mounting block is horizontally arranged above the wheel, brake pads are fixedly sleeved on two sides of the wheel, a cavity is arranged in the mounting block, a processor and an alarm are sequentially arranged in the cavity,the output end of the processor is electrically connected with the input end of the alarm, a vehicle speed sensor is arranged on one side, close to the wheel, of the mounting block. the output end ofthe vehicle speed sensor is connected with the input end of the processor, the bottom of the mounting block is provided with a double-shaft oil cylinder, the double-shaft oil cylinder and the outer wall of the mounting block are fixedly connected through a fixing rod, and the output end of the processor is electrically connected with the input end of the double-shaft oil cylinder. According to thebrake device of the electric cleaning and checking vehicle and the control method, through the arrangement of the vehicle speed sensor and the processor, an automatic control mechanism is arranged inthe device, so that the braking of the vehicle can be automatically reflected and controlled during emergency braking, thereby ensuring the timely braking of the vehicle.

The invention discloses a braking device for a main motor of a water tank wire drawing machine, and belongs to the technical field of water tank wire drawing devices. The braking device for the main motor of the water tank wire drawing machine aims at achieving a good braking effect; a machine body and the main motor arranged on the machine body are involved, and the main motor comprises a transmission wheel; the braking device is arranged on the machine body and comprises a braking base, a first braking pad and a second braking pad, the first braking pad and the second braking pad are movablyconnected with the braking base and are in a disc shape, the braking base comprises a braking groove and is provided with a first movable cavity and a second movable cavity which are communicated with the braking groove and are cylindrical and coaxial, the first braking pad is arranged in the first movable cavity, the second braking pad is arranged in the second movable cavity, the transmission wheel stretches into the braking groove and is arranged between the first braking pad and the second braking pad, and the first braking pad and the second braking pad are both provided with a pluralityof hemispherical blind holes.

The invention discloses a braking device for a wind driven generator, and relates to the technical field of wind driven generators. The braking device comprises a cabin body, wherein a low-speed shaftpenetrates through one side of the cabin body; an impeller is arranged at one end of the low-speed shaft, and the impeller is arranged outside the cabin body; a transmission is arranged at the otherend of the low-speed shaft; a fixed block is arranged at the bottom of the transmission, and the bottom of the fixed block is fixedly connected with the bottom of an inner cavity of the cabin body; ahigh-speed shaft is arranged on one side of the transmission, and a generator is arranged at one end of the high-speed shaft; the low-speed shaft and the high-speed shaft are both sleeved with a brakedisc; and a motor is arranged on one side of the bottom of the inner cavity of the cabin body, and a rotating shaft is arranged at one end of an output shaft of the motor. According to the brake device for the wind power generator, brake pads can be conveniently arranged on placing discs, the brake pads are convenient to assemble and disassemble, the braking effect of the wind driven generator isimproved, the service lives of the high-speed shaft and the low-speed shaft are prolonged, the maintenance and replacement frequency of the high-speed shaft and the low-speed shaft is reduced, and the working efficiency of the wind driven generator is indirectly improved.