108results about How to "Achieve braking" patented technology

The invention is suitable for the technical field of automobiles, and provides a vehicle braking method and device, an electronic control unit and a vehicle. The method comprises the steps that when an electronic mechanical braking system of the vehicle has a fault, the fault type is determined; based on the fault type, determining a braking mode of the vehicle; and in response to the vehicle braking instruction, a cooperative regenerative braking system of the vehicle is controlled based on the braking mode, so that braking of the vehicle is achieved. According to the method, when the electronic mechanical braking system breaks down, braking of the vehicle can be achieved through an existing cooperative regenerative braking system of the vehicle, no mechanical device needs to be additionally arranged, and therefore the cost is reduced, and the complexity of the braking system is reduced. Meanwhile, according to the method, the braking mode of the vehicle can be flexibly determined based on the type of the fault in the electronic mechanical braking system, so that flexible control over the cooperative regenerative braking system is achieved, the control accuracy of the cooperative regenerative braking system is improved, and the braking success rate of the vehicle is increased.

The invention provides an automobile drive-by-wire chassis multimode redundancy integrated control system and application thereof. The system comprises a whole vehicle sensor unit, a vehicle driving state fault-tolerant reconstruction estimator, a vehicle drive-by-wire chassis redundancy integrated controller, a vehicle drive-by-wire chassis execution controller, a vehicle drive-by-wire chassis execution subsystem, a power subsystem and a communication subsystem which are connected in sequence, the communication subsystem achieves information transmission, the whole vehicle sensor unit provides sensor signals and monitors the vehicle driving state, and the vehicle driving state fault-tolerant reconstruction estimator provides vehicle stability control parameters for the vehicle drive-by-wire chassis redundancy integrated controller. The automobile drive-by-wire chassis redundancy integrated controller provides ideal execution parameters for the automobile drive-by-wire chassis execution controller, and the automobile drive-by-wire chassis execution controller provides execution actions for the automobile drive-by-wire chassis execution subsystem. The safety, the stability and the reliability of the intelligent driving automobile are improved.

The invention relates to the technical field of band sawing machines, and particularly discloses a steel plate cutting device for die manufacturing, which comprises a sawing machine, a driving mechanism, a guide mechanism and a locking mechanism, the sawing machine comprises a base, a stand column and a saw frame, the saw frame is arranged on the base through the stand column, a saw blade is arranged on the saw frame, and the driving mechanism is used for circularly rotating the saw blade; the guiding mechanism comprises a guiding seat and guiding wheels, the locking mechanism comprises a guiding rod, a movable frame, a first elastic piece and locking wheels, the guiding rod is arranged on the saw frame, the movable frame is arranged on the guiding rod in a sliding fit mode and connected with the guiding rod through the first elastic piece, the multiple locking wheels are distributed on the movable frame at intervals, and each locking wheel is in sliding fit with the movable frame. The locking wheels are in friction fit with the saw blade, each locking wheel is provided with a first gear, a first tooth groove is formed in the bottom end of the guide rod, and the first tooth groove can be meshed with the first gear; according to the steel plate cutting device for mold manufacturing, the saw blade can be locked when the saw blade is broken, and safety is improved.

The utility model provides a brake system of multifunctional walking aid equipment and the multifunctional walking aid equipment, and relates to the technical field of travel equipment. The brake system of the multifunctional walking aid equipment comprises a driving device, a power wheel and a brake handle, the brake handle is used for driving the friction piece; the driving device is in transmission connection with the power wheel and is used for providing power for the power wheel so as to drive the power wheel to rotate; the brake system further comprises a detection device, and the detection device is used for detecting the change of the relative position of the brake handle on the multifunctional walking aid equipment and generating a position change signal. The detection device and the driving device are electrically connected with the control device, and the control device is used for controlling the driving device to drive the power wheel to decelerate or stop rotating after receiving the position change signal. The braking system can assist a user in braking the power wheels of the multifunctional walking aid equipment, and the driving safety of the multifunctional walking aid equipment can be effectively improved.

The utility model discloses a radial plunger motor with a braking function, which comprises an output flange shaft, a fixed shell rotationally connected with the output flange shaft, and a braking cylinder connected with the output flange shaft, the friction plate set is located between the fixed shell and the brake cylinder body, static friction plates in the friction plate set are connected with the fixed shell, and dynamic friction plates in the friction plate set are connected with the brake cylinder body; and the double-piston assembly is arranged in the fixed shell and located on one side of the friction plate set, and the double-piston assembly can be used for braking the brake cylinder body. Through the structural improvement, on one hand, the overall compactness of the motor can be improved, and the axial size is reduced, so that the motor can be suitable for a scene with a smaller installation space; on the other hand, the double-piston structure is adopted, the acting area can be increased, the acting force can be increased, and therefore the larger braking torque can be obtained under the condition of the same radial size; and the opening pressure of brake release can also be reduced.

The invention belongs to the technical field of casting machining, particularly relates to a double-station casting punching device and a use method thereof, and aims to overcome the defects that in the prior art, only a single casting can be clamped and positioned, so that the punching efficiency is low, and sweeps falling on a positioning device cannot be rapidly collected. The double-station casting punching device comprises a base, the two sides of the top of the base are fixedly provided with a first supporting plate and a second supporting plate correspondingly, and the top of one side of the first supporting plate is fixedly provided with a stepping motor. According to the casting punching device, two castings can be punched at the same time, so that the working efficiency can be improved, and after the castings are punched, the castings are turned over, so that sweeps can fall into a collecting box, and the sweeps can be conveniently cleaned.

The utility model discloses a kind of slope type construction engineering cost tester, including main body, the bottom surface of main body is equipped with adjusting groove, air blast cavity is equipped in main body, air blast cavity is equipped with blowing channel between main body, the side surface of main body is equipped with movable slot, pull rod is equipped in movable slot, the top surface of main body is fixed with support rod, the top end of support rod is fixed with tester body;It further includes positioning assembly, positioning assembly can only continuously rotate along a direction, when user moves along slope by pulling pull rod and makes device on slope upward, positioning assembly meets foreign matter on slope when, it will overturn and move in the direction of adjusting groove, when device slips and moves downward on slope, positioning assembly will contact ground support, quickly realize the braking of device, this design not only facilitates device to move on slope, and can prevent device to slide downward on slope, make equipment more safe, more stable in the process of transportation and use, improve the practicality of device.

The invention provides a permanent magnet brake and a control method thereof. The control method of the permanent magnet brake comprises the following steps that the control unit receives an instruction and judges the type of the instruction; if the instruction is a release instruction, the voltage power supply module applies release voltage U1 to the excitation winding; the current acquisition module acquires the real-time current of the excitation winding and calculates the current change slope; when the current change slope is smaller than or equal to a set first change slope, determining that the permanent magnet brake finishes releasing; if the command is a braking command, the voltage power supply module applies a braking voltage U2 to the excitation winding; the voltage acquisition module acquires the real-time induced voltage of the excitation winding and calculates the change slope of the induced voltage; and when the induced voltage change slope is smaller than or equal to a set second change slope, it is determined that the permanent magnet brake completes braking. According to the permanent magnet brake and the control method thereof, the brake structure and method are optimized, and safety and response performance are improved.

The present application relates to elevator technology field, specifically relates to a kind of elevator with hidden emergency device of car, including the car in hoistway, installation port is opened in the thickness direction through in car side wall, and rotatingly installed with display device in car inner wall.Display device blocks installation port, and power supply assembly, controller and speed sensor are embedded in display device.Display device is electrically locked between car, and electrically locked is used to lock display device and car.Car outside is provided with anti-falling brake mechanism, and the rear side of display device close to installation port is hinged with one end of pull rod assembly, and the other end of pull rod assembly is connected with the locking assembly of anti-falling brake mechanism after passing through installation port, and anti-falling brake mechanism has working state and locking state.In locking state, locking assembly locks anti-falling brake mechanism, and anti-falling brake mechanism does not hinder the lifting of car.

The utility model relates to the technical field of braking, and provides a brake structure, a hub motor and a vehicle, the brake structure comprises a brake disc and a brake caliper, the brake disc comprises an annular body, and the annular body comprises an outer side face and an inner side face which are arranged at intervals in the radial direction of the annular body; the brake caliper comprises a first friction plate, a second friction plate and a driving piece, the first friction plate and the second friction plate are arranged at intervals in the radial direction of the annular body, and the first friction plate and the second friction plate are arranged corresponding to the outer side face and the inner side face respectively; a driving piece is arranged on the side, back to the second friction plate, of the first friction plate and / or the side, back to the first friction plate, of the second friction plate, and the driving piece is used for driving the first friction plate and the second friction plate to get close to each other in the radial direction of the annular body so as to clamp the annular body. According to the brake structure, the first friction plate, the second friction plate and the driving piece are arranged in the radial direction of the annular body, so that the size of the brake caliper in the axial direction of the annular body is relatively small, and the occupied space of the brake caliper in the axial direction of the annular body is reduced.

The present disclosure relates to a control method, device, controller and vehicle for vehicle braking. The control method for vehicle braking is applied to a vehicle, the vehicle includes a hydraulic braking system and a motor braking system, the method includes: obtaining the opening information of the brake pedal; if it is determined according to the opening information that the hydraulic braking system and the motor braking system need to brake simultaneously, and the wheels of the vehicle are not locked, then according to the opening information, the hydraulic braking system is controlled to output a first braking torque, and the motor braking system is controlled to output a second braking torque; according to the opening information, the second braking torque is updated in real time, and the motor braking system is controlled to output the updated second braking torque. In this way, the motor braking system can be controlled in real time to output the second braking torque updated according to the current opening information. Since the motor braking system reacts quickly, the braking torque can be adjusted quickly, thereby improving the vehicle's response speed to the brake pedal, which is convenient for shortening the braking distance.

The utility model provides a novel viscous damper which comprises a viscous damper body, a piston rod is arranged at the end of the viscous damper body, a telescopic length adjusting assembly is arranged on the outer wall of the end of the viscous damper body, and the telescopic length adjusting assembly comprises a bobbin fixed to the outer wall of the end of the viscous damper body. And an insertion hole is formed in the bobbin, a telescopic rod is inserted into the insertion hole, and a limiting block is fixed to the end, penetrating through the interior of the insertion hole, of the telescopic rod. According to the viscous damper, by arranging the telescopic length adjusting assembly, in the using process of the damper, a transmission shaft and a gear can be driven to rotate through a hand wheel, a telescopic rod can be driven to do telescopic movement in an insertion hole of a bobbin under meshing transmission of the gear and a tooth groove, and therefore adjustment of the overall length of the viscous damper is achieved; and after the viscous damper is adjusted to a proper position, a locking nut is screwed on an external thread of the transmission shaft, so that braking of gear rotation is realized, and positioning and fixing after the overall length of the viscous damper is adjusted are realized.

The utility model provides a valve brake rocker arm assembly. One end of the rocker arm is connected with the valve bridge through the first connecting piece, the valve bridge is located below the rocker arm, the first valve is vertically arranged below the first end of the valve bridge, a through hole for the second valve to penetrate through is vertically formed in the second end of the valve bridge, the telescopic mechanism is arranged on the rocker arm, and the brake piece is arranged at the extending end of the telescopic mechanism. The telescopic mechanism can drive the brake part to move between the first position and the second position, the brake part moves from the second position to the first position, the brake part drives the second air valve to be opened, and therefore when an engine needs to be braked, the brake part is driven by the telescopic mechanism to move from the second position to the first position, and the brake part drives the second air valve to be independently opened. Compared with existing exhaust braking and air release braking, the engine braking device has the advantages that the braking efficiency is high, the structure is simple, and the braking requirement of different vehicles during long downhill is met.

The embodiment of the present application provides a weeding tool, and relates to the field of horticulture technology.The weeding tool comprises a base, a rod body, a connecting seat, a rotating seat, a motor, a fixing frame, a mounting seat, an electric push rod, a driving seat, a fixing sheet and a weeding shovel.The rod body is rotatably installed on the base, the connecting seat is installed on one end of the rod body, the rotating seat is rotatably installed on the lower surface of the connecting seat, and the motor is installed in the connecting seat.The present application can separate the soil in the inverted conical area, remove the plant roots, accurately operate and avoid damaging the soil in a large area;on the other hand, the present application can adjust and fix the angle of the weeding shovel, adapt to different root depths and reduce excessive soil excavation.The present application can also ensure that the rod body is stable and the weeding shovel does not touch the ground when moving, automatically adjusts and locks the angle of the rod body during operation;personnel can also position through the foot pedal, which comprehensively ensures the stable and efficient operation of the equipment and is beneficial to the cleaning of invasive plants.

The utility model discloses a heavy-duty tractor brake assembly, which relates to the technical field of tractor manufacture and comprises a brake shell, the rear side of the brake shell is fixedly connected with a rear end cover through a bolt, the center of the brake shell is rotatably connected with a brake hub, a brake pin shaft is fixedly inserted into the center of the upper end of the rear end cover, and the brake pin shaft is fixedly connected with the brake hub. Two brake shoes are rotationally arranged on the brake pin shaft in a pin joint mode, a cam is rotationally installed in the center of the lower end of the rear end cover, the cam abuts against the inner sides of the lower ends of the two brake shoes, a friction block and a fixed pressing plate are arranged, the friction block can move outwards after the outer end is abraded, and compared with rivet fixing, maintenance and replacement, the friction block is more convenient to use; the multiple friction blocks are the same in shape and specification, the positions of the friction blocks can be adjusted according to the abrasion degree difference of the friction blocks when the friction blocks are moved outwards, and the service life of the friction blocks is further prolonged.

The utility model belongs to the field of elevator accessory manufacturing, and particularly relates to an elevator safety braking trigger which comprises a brake and a trigger body, the trigger body is arranged on the brake and is in control connection with the brake, an input shaft is arranged on the trigger body, and a first connecting rod is fixedly arranged on the input shaft in the radial direction. The end, away from the input shaft of the trigger, of the first connecting rod is rotationally connected with a second connecting rod. The end, back to the first connecting rod, of the second connecting rod is rotationally connected with a connecting plate. According to the elevator safety braking trigger, the mode that the first connecting rod and the second connecting rod are arranged on the output shaft of the brake in a combined mode is adopted, and the elevator safety braking trigger is designed; the first connecting rod and the second connecting rod can transmit the sudden descending speed of the elevator to the input shaft of the trigger, so that the brake is triggered to achieve braking, and the problem of how to suddenly brake the elevator when the elevator suddenly descends is solved.

The utility model discloses a winding device for producing a high-transparency scratch-resistant polyester film, and relates to the technical field of film winding, the winding device comprises a support frame, a winding material conveying assembly, a tensioning pushing assembly and a finished product collecting module, the leftmost side of the support frame is provided with the winding material conveying assembly, the winding material conveying assembly comprises a material conveying inlet, a guide roller and a brake electric brake component, and the guide roller is arranged on the support frame; the braking electric brake component is arranged above the guide roller, the tensioning and pushing assembly is arranged on one side of the guide roller and comprises a tensioning roller, a driving and pushing component, a pushing block and a pushing groove, the pushing block is connected with the driving and pushing component, the tensioning roller is rotationally connected to the supporting frame, and a static electricity eliminating component is arranged on one side of the tensioning roller. And the finished product collecting module is arranged on one side of the supporting frame. The device has the remarkable beneficial effects of improving the winding efficiency, ensuring the product quality, enhancing the operation safety and the like.

The invention discloses an electromechanical braking power assisting device and a using method, and belongs to the field of electromechanical braking. An electromechanical brake power assisting device comprises a shell and further comprises a brake push rod and a pedal push rod which are arranged on the shell, a power assisting unit is arranged between the brake push rod and the pedal push rod, the interior of the shell is divided into two air chambers by the power assisting unit, and when the pedal push rod moves towards one side of the brake push rod, the power assisting unit is used for amplifying thrust on the brake push rod; the dustproof unit is arranged on the side, close to the pedal push rod, of the shell and used for preventing dust of an air chamber in the shell. The standby braking mechanism is arranged between the interior of the shell and the power assisting unit, and when the pressure difference between the air chambers in the shell disappears or is weakened, the pedal push rod is pushed to drive the power assisting unit to move through the standby braking mechanism; the problems that when a brake assisting device breaks down, the accident risk is large, the vehicle brake performance is poor, an air filter is prone to being blocked, and the service life of a brake system is short are solved.

The present application relates to a kind of pure mechanical friction brake and its working method, including input shaft disc, spacer, copper friction plate, steel friction plate, rear end plate, output shaft, spring, spring backing plate, bearing, pin, cam, lever, bearing.Compared with prior art, the pure mechanical friction brake of the present application is entirely composed of mechanical parts, the size of brake friction can be set by adjusting the friction plate and spring, the compression length of spring is adjusted by the extrusion of lever on cam, so as to adjust the extrusion force between friction plate, finally realize the conversion of brake and drive of cam, to realize the function of basic brake, at the same time, automatic parking can be realized when power failure occurs to deal with emergency.

The utility model discloses a big load outer rotor axle brake tractor, related to tractor technical field, including the casing body, the inside cooperation and installation of casing body have stator, the outside cooperation and installation of stator have rotor, then rotor is fixed on transmission shaft, transmission shaft is away from the one end cooperation and installation of stator have axle brake assembly and tractor wheel, wherein axle brake assembly still with outside fixed, then outside fixed in the outside of casing body, be equipped with controller in the top of casing body, when the magnetic core power off, brake spring will armature pop out quickly, armature top brake disc through the tooth cylinder along the gear shaft sliding, and make brake disc and friction disc close, realize transmission shaft brake under the action of friction, axle brake assembly direct action on the axle, relatively simple structure, the number of parts is less, the trouble point also reduces accordingly, and the reliability is higher, and the brake mode of axle brake assembly makes the braking process more stable, and the noise is smaller, is favorable to create the quiet living environment.

This invention discloses a composite flow control device of needle valve and pressure valve and its working method, which solves the problem that fluid controllers in the prior art all use single control. It has the beneficial effects of realizing the switching between pressure valve and needle valve and avoiding fluid contamination. The specific solution is as follows: A composite flow control device of needle valve and pressure valve includes a support frame, which supports a switching control structure. A needle valve and a pressure valve are arranged sequentially on one side of the switching control structure. The needle valve includes a needle valve body, a first flow channel is provided in the needle valve body, the needle valve body is connected to an isolation shell, an internal rotor is provided in the isolation shell, an external rotor is arranged circumferentially outside the isolation shell, the bottom of the isolation shell is fixedly connected to a screw, and part of the screw is located inside the internal rotor to form a helical drive between the internal rotor and the internal rotor. One end of the internal rotor is provided with a needle-shaped component that can be inserted into the first flow channel. The switching control structure includes a rotating shaft that passes through the support member. The rotating shaft is rotatable and is connected to the sun gear of the planetary gear component.

The invention provides a traveling driving speed reducer of a heading machine. The traveling driving speed reducer comprises a modularized braking mechanism and a speed reducer body, the output end of the modularized braking mechanism can synchronously rotate along with the input end of the modularized braking mechanism, the output end of the modularized braking mechanism is detachably installed at the input end of the speed reducer body, and the input end of the speed reducer body can synchronously rotate along with the output end of the modularized braking mechanism. An output shaft of a motor is detachably installed at the input end of the modularized braking mechanism, the input end of the modularized braking mechanism can synchronously rotate along with the output shaft of the motor, the output end of the speed reducer body is detachably installed on a walking mechanism of the heading machine, and the walking mechanism of the heading machine can be synchronously driven by the output end of the speed reducer body. The modularized braking mechanism can be rapidly replaced under the underground severe working condition, and the maintenance cost is reduced.

The invention relates to the technical field of press machines, in particular to an auxiliary brake mechanism of a press machine for metal cellular board production, which comprises a brake driving component, a brake driving component, a hydraulic rod, a brake driving component, a brake driving component and a brake driving component, and is characterized in that the brake driving component is mounted on the press machine; the friction braking assembly is also installed on the press machine and used for conducting friction braking on the hydraulic rod, and the friction braking assembly is driven by the braking driving assembly to move; the plug-in brake assembly is connected with the brake driving assembly, and the brake driving assembly drives the plug-in brake assembly to move so as to brake the hydraulic rod; when a main brake of the press fails or emergency braking is needed, auxiliary braking of the hydraulic rod can be achieved by pushing the braking driving strip in the direction of the press, operation is easy, convenient and rapid, potential safety hazards can be eliminated within the shortest time, the braking driving strip can achieve automatic locking, and the stability of auxiliary braking is guaranteed.

The invention discloses a rail flat car braking system and a rail flat car. The braking system comprises a braking control unit which is used for braking and relieving the rail flat car through the braking control unit based on first compressed air provided by a tractor when the rail flat car is attached to the tractor to run; the auxiliary braking control unit is used for braking and relieving the rail flat car through the auxiliary braking control unit based on second compressed air provided by the auxiliary braking control unit when the rail flat car travels by itself; and the first switching module is used for switching the auxiliary braking control unit and the main braking control unit to brake and relieve the rail flat car through the first switching module. The rail flat car is braked and relieved through second compressed air provided by the auxiliary braking control unit when the rail flat car runs by itself, the auxiliary braking control unit and the main braking control unit are switched through the first switching module to brake and relieve the rail flat car, and braking relieving of the novel rail flat car during self-running is achieved.

A belt wheel braking mechanism is arranged above a transition belt wheel, the belt wheel braking mechanism comprises a support and a sliding unit, the support is fixedly connected with an integrated board, the sliding unit is in sliding connection with the support, the sliding unit spans the two ends of the transition belt wheel, and the transition belt wheel is fixedly connected with the sliding unit. One end of the sliding unit is fixedly connected with an electric push rod, the electric push rod is slidably connected with the support, the driving end of the electric push rod is fixedly connected with a first friction plate, and the other end of the sliding unit is fixedly connected with a second friction plate. The brake device is ingenious in structure, the first friction plate and the second friction plate clamp or loosen the transition belt wheel through the telescopic action of the electric push rod, and therefore the brake or brake release function of the transition belt wheel is effectively achieved. The braking force of the braking mechanism is not radially acted on the wheel groove of the transition belt wheel, but acts on the end faces of the two sides of the transition belt wheel, and the belt wheel groove and the belt wheel shaft cannot be damaged.

The present invention discloses an electromechanical brake booster and a method of use, belonging to the field of electromechanical braking. An electromechanical brake booster comprises a housing, and also comprises: a brake push rod and a pedal push rod arranged on the housing, a booster unit is arranged between the brake push rod and the pedal push rod, the booster unit divides the interior of the housing into two air chambers, and is used to amplify the thrust on the brake push rod when the pedal push rod moves toward the side of the brake push rod; a dustproof unit is arranged on the side of the housing close to the pedal push rod, and is used to prevent dust from the air chamber in the housing; a backup brake mechanism is arranged between the interior of the housing and the booster unit, and when the pressure difference between the air chambers in the housing disappears or weakens, pushing the pedal push rod can drive the booster unit to move through the backup brake mechanism; the present invention overcomes the problems of high accident risk, poor vehicle braking performance, easy clogging of the air filter, and short service life of the brake system when the brake booster fails.

The utility model relates to the technical field of brake switches, in particular to a front brake switch for a motorcycle, which comprises a housing, a switch piece and a switch selection piece, the housing comprises an upper housing and a lower housing, the inner bottom surface of the lower housing is upwards and vertically provided with two partition plates to form three compartments, and the switch piece and the switch selection piece are placed in the compartments. The switch selection piece comprises a key rod, a first spring, a push rod and a second spring, one end of the key rod extends out of the outer wall of the lower shell, the other end of the key rod is provided with an opening, the edge of the opening extends in the axial direction to form a first touch plate, the first spring and the push rod sequentially extend into the key rod through the opening, and one end of the push rod extends in the axial direction to form a second touch plate; the second spring is arranged between the end face of the push rod and the inner side wall of the lower shell. The two partition plates are arranged to form three compartments for placing the switch piece and the switch selection piece, so that the influence on the whole brake switch caused by vibration is avoided; the switch selector adopts a sleeve and spring structure, the structure is simple, the installation is stable, and the switch quality is ensured.

The present invention discloses a transport elevator which is convenient for fixing goods, belongs to the technical field of elevators, comprises an outer car, on which a car door is symmetrically slidably installed, and an inner car is fixedly installed in the outer car. By setting a limit unit, it is possible to lock the three positions of two multi-arm slides, and the two multi-arm slides three can be quickly separated when the car door is opened. By setting a plurality of torsion springs, the multi-arm slide one, the multi-arm slide two, and the multi-arm slide three can stop moving when they move to contact the goods, thereby preventing the posture of the goods from changing. By cooperating with the unfolding unit one, the limit unit, the unfolding unit two, and the driving unit, it is possible to quickly adjust the positions of the multi-arm slide one, the multi-arm slide two, and the multi-arm slide three, thereby facilitating the fixing of the goods from all sides, thereby improving the stability of the goods during transportation.

The present application provides a braking mechanism, a braking method, an engineering motor and an elevator, wherein the braking mechanism comprises a driving disc, a brake disc, a ball, a friction seat and an elastic limiting structure, wherein the driving disc is linked to the motor, the brake disc is coaxially arranged with the driving disc and can slide axially, the driving disc is provided with a plurality of circular grooves; the brake disc is provided with a conical groove which is opposite to and corresponds to the circular groove one by one, the ball is rotatably arranged in an accommodating space formed by the circular groove and the conical groove; the brake disc is provided with a first friction surface, the friction seat is provided with a second friction surface which contacts the first friction surface to achieve braking, the elastic limiting structure is axially slidably connected with the brake disc, the state of the elastic member is controlled according to the torque difference between the driving disc and the brake disc, and then the contact state of the two friction surfaces is controlled to achieve braking, and no practical electromagnet and its complex control circuit are required, the structure is simple and the braking effect is good.

The invention relates to the technical field of detection equipment, and discloses intelligent electromechanical installation fault detection equipment. A detection module and an unmanned aerial vehicle module are arranged at the top end of a machine body; the crawler belt assembly comprises a crawler belt, a first driving wheel, a second driving wheel and an adjusting driving wheel are arranged on the inner side face of the crawler belt, and the adjusting driving wheel is arranged between the first driving wheel and the second driving wheel and connected with the second driving wheel through a fixing telescopic rod. A front fixing cross beam and a rear fixing cross beam which are opposite to each other are arranged on the outer side face of the first driving wheel and the outer side face of the second driving wheel correspondingly, and the front fixing cross beam and the rear fixing cross beam are connected through an adjusting telescopic rod. Therefore, the stability of the machine body is kept in the climbing process, and then the trafficability of the detection equipment is improved through the unmanned aerial vehicle module.