14results about How to "Quick stop" patented technology

The utility model discloses a kind of braking limiting devices for transport web belt, the utility model relates to conveying web belt technical field.It includes support frame, the support frame is provided with the conveying mechanism for transporting web belt equipment, conveying mechanism includes: brake assembly, including the support shell of support frame upper end fixation, the inside of the support shell is penetrated and is rotatably connected with support shaft, one end of the support shaft is fixed with positioning tooth, the utility model positioning tooth rotates synchronously with support shaft, positioning block is tightly attached positioning tooth surface under the action of spring, when needing emergency stop, motor is de-energized, support shaft deceleration, positioning block is clamped into tooth groove due to spring thrust, self-locking is formed by the rotary connection of connecting shaft, prevent support shaft from continuing to rotate, the clamping structure of positioning block and positioning tooth, can effectively prevent support shaft from rotating, make transport web belt main body stop running quickly, prevent transport web belt from continuing to move due to inertia, reduce the risk of goods collision damage and slip.

The utility model discloses an unmanned plane landing anti -thrust device belongs to unmanned plane technical field, the device is in the abdomen of large fixed wing unmanned plane, including anti -thrust board and two groups of drive adjusting mechanism, the anti -thrust board is paddle formula arc structure, and the bottom surface is equipped with longitudinal fairing and is made with carbon fiber composite material, and the angle on the board is equipped with pressure sensor, drive adjusting mechanism contains support, connection hanging cylinder, drive assembly, axle seat, connecting seat and connecting rod assembly, can drive anti -thrust board and realize 0 degree 90 degree angle adjustment, and sensor feedback signal reaches controller, and controller receives unmanned plane flight system landing information and controls motor, forms closed loop control. The device utilizes the airflow to generate the reverse thrust and shortens the brake distance, and the anti -thrust board is horizontal when not working and does not influence the flight, and is light in weight, and the adjustment is accurate, and is convenient to maintain, is applicable to the safe landing of large fixed wing unmanned plane.

The utility model provides a motor brake device of a dust collector, the dust collector and a controller, and relates to the technical field of dust collectors, the motor brake device comprises a motor, a bridge arm structure, a power supply battery and the controller; the bridge arm structure comprises a first switching device and a second switching device; the first switching device is electrically connected with the second switching device; the power supply battery is electrically connected with the motor through the bridge arm structure, the controller is electrically connected with the bridge arm structure, and the controller is used for controlling the second switching device to be in an on-off state and controlling the first switching device to be in an off state when the motor brakes, and current output by the motor flows back to the power supply battery when the second switching device is in the on-off state; the on-off state is the state that switching is conducted between the on state and the off state based on pulse width modulation in a unit period, the motor of the dust collector is controlled to conduct braking based on the structural design of the motor braking device and an active braking adjusting mode based on pulse width modulation, and rapid and effective motor braking is achieved.

The present application provides a kind of cart, comprising: rack;Hub assembly is installed on rack by rotating shaft, hub assembly includes wheel hub motor and brake disc fixedly connected with wheel hub motor;Brake assembly is installed on rack, including first driving part and brake pad, first driving part is fixedly connected with rack, and brake pad is connected with first driving part;Operating assembly is installed on rack, including second driving part and brake handle, second driving part is connected with first driving part by hydraulic oil pipe, brake handle is installed on second driving part, when braking, hydraulic oil in second driving part is extruded to first driving part along hydraulic oil pipe by brake handle, pushes brake pad, so that brake pad contacts and extrudes brake disc.The present application simultaneously controls two brake assemblies by one operating assembly, to facilitate operation, and two wheels are simultaneously braked to realize rapid stop, and can avoid side slip phenomenon when braking, so that the cart running process is safer.

A vehicle manufacturing system according to an embodiment of the present invention is provided with: a camera that captures an image of a traveling area in which a plurality of vehicles travel and the surroundings thereof; a worker detection unit that detects a worker on the basis of an image captured by the camera; a region determination unit that determines whether the worker is in a detection region corresponding to the travel region or a non-detection region located on both left and right sides of the travel region; a posture detection unit that detects the posture of the worker in the detection area by performing image processing on the image captured by the camera; and a stop control unit that stops the vehicle on the basis of the posture of the operator.

The utility model discloses a tea strainer, which comprises a funnel part, a tea strainer part and a tea strainer part, the barrel body part is a cylinder with an opening in the upper part, and the barrel body part is connected to the top end of the funnel part; a steam opening is formed in the middle of the cylinder body part and is communicated with the funnel part; a plurality of water filtering holes are formed in the side wall of the barrel body part. When the tea strainer is used, due to the fact that tea leaves are cooked through water vapor, tea soup and the tea leaves are kept in a separated state, the cooking degree of the tea leaves can be conveniently judged by observing the color of the tea soup, after the tea soup is cooked, generation of the steam can be rapidly stopped in a heating stopping mode, and the tea strainer is convenient to use. The tea leaves can be effectively prevented from being excessively boiled, so that the original flavor and nutritional ingredients of the tea leaves are reserved to the greatest extent.

The utility model relates to mechanical press balance cylinder control technical field, especially a kind of mechanical press slider balance cylinder control system. Including: balance cylinder, pilot module, cartridge valve and energy storage module: the energy storage module is connected with the first port of cartridge valve;The second port of pilot module is connected with cartridge valve;The third port of balance cylinder is connected with cartridge valve;The balance cylinder is connected with mechanical press slider;The pilot module is used to control the internal pressure of balance cylinder, to avoid balance cylinder overpressure;The energy storage module is used to control the movement state of balance cylinder.The utility model is through the pilot control oil of cartridge valve to use independent external control mode, compared with the closing time of existing common internal control mode to improve more than 80%, greatly improve the response speed and safety performance of equipment.

The utility model relates to the technical field of recreation equipment, especially a kind of game motorcycle including base, motorcycle body and drive assembly, or including base, motorcycle body, drive assembly and limiting component, motorcycle body can make the action of tail swing by first driver, and when it approaches the central position, first driver and second driver exert push force or pull force, alternatively, two limiting drivers exert push force, to ensure that motorcycle body can be returned to position accurately after tail swing, and then improve the playing experience of user.

The invention relates to a communication method in which a vehicle (1) exchanges information via a communication interface (2) with at least one entity (3) located within the communication range of the vehicle (1), the entity (3) transmitting a message (4) comprising a declaration to the vehicle (1). The communication method according to the invention is characterized in that the vehicle (1), upon receipt of the message (4), automatically checks the declaration as true or false, classifies the entity (3) as trusted if the declaration is true, and classifies the entity as untrusted if the declaration is false.

The utility model provides a spring piece and a linear motor, the spring piece comprises a first spring part, a second spring part and a third spring part, the first spring part is connected with the second spring part through the third spring part, the first spring part and the second spring part are arranged in a staggered manner, and the third spring part is arranged as an inclined plate; the linear motor comprises spring pieces, a support, a machine shell and a mass block, the machine shell is fixed to the top wall of the support, the machine shell is hollow, and the two sides of the mass block are fixed to the machine shell through the spring pieces. Through the arrangement of the shape of the spring piece, the welding faces of the first spring part and the second spring part are located in different planes, direct welding is facilitated, the width of the tail of the spring piece is equal to the sum of the inclined projection distance of the third spring part and 2 * the material thickness, space occupation caused by bending arcs can be eliminated, the occupied size of the spring piece is effectively reduced, and the service life of the spring piece is prolonged. The possibility is provided for further reducing the size and the size of the linear motor, and the possibility is provided for improving the performance of the linear motor under the condition that the original size is not changed.

The utility model provides a positioner special for three-axis grinding, which belongs to the technical field of material grinding and comprises a base, a positioning mechanism, a positioning mechanism and a positioning mechanism. The transmission wheel is rotationally arranged on the upper surface of the base, a rotating disc is fixedly arranged on the transmission wheel, and the rotating disc indirectly provides support for the cross beam; the driving gear is rotationally arranged on the base, and a gear ring corresponding to the driving gear is further arranged on the outer surface of the transmission wheel; the limiting groove is annularly formed in the bottom face of the rotating disc and located on the same axis with the rotating disc, and the inner diameter of the limiting groove is larger than the outer diameter of the gear ring; the dustproof cover is of a hollow tubular structure and is fixed to the upper surface of the base, and the top of the dustproof cover is located in the limiting groove; the dustproof box extends from the side wall of the dustproof cover, is of a box structure, is fixed to the upper surface of the base and is located outside the driving gear; the driving wheel and the rotating structure on the base can be protected through the dustproof cover and the dustproof box, so that the service life of the positioner is effectively prolonged, and the maintenance frequency of the positioner is reduced.

The invention discloses a building wall water seepage detection device, and relates to the technical field of water seepage detection, the building wall water seepage detection device comprises a motion device, a moisture meter and a sling, the sling is used for being installed on a to-be-detected wall, the moisture meter is installed at the bottom of the motion device, and the motion device and the moisture meter are both in transmission connection with the sling. By means of cooperation of an anti-skid powder box and a powder passing groove in the auxiliary displacement assembly, when the moving device moves along the sling, the friction force between a transmission roller and the sling is remarkably increased, a first motor in the driving assembly is matched to drive a rotating plate and a push column to drive a sliding base and a limiting frame to move, and accurate clamping of a second transmission roller to the sling is achieved; the device can be rapidly and stably stopped when the moisture meter detects water seepage, interference of shaking of a moving device on a sensor is avoided, the multi-angle adjusting function of a first steering engine and a second steering engine on an infrared probe is combined, the detection accuracy of a water seepage area is ensured, and the problem that an existing device is insufficient in detection accuracy due to shaking is effectively solved.

The utility model relates to a spindle brake device, which belongs to the technical field of textile equipment and comprises a bottom plate and a sanding spindle rotatably connected to the top of the bottom plate, the top of the bottom plate is provided with a brake component for decelerating and braking the sanding spindle, and the top of the bottom plate is provided with a control component for adjusting the brake component; the brake assembly comprises a brake caliper rotating shaft in threaded connection to the top of the bottom plate, and the outer side of the brake caliper rotating shaft is rotationally connected with a brake caliper body piece. According to the spindle brake device, a brake caliper shifting piece in the brake assembly is extruded through a handle rotating block in the control assembly, a brake caliper main body piece is pushed to drive a brake block to extrude a sanding spindle, the friction force between the brake caliper main body piece and the brake block enables rotation of the sanding spindle to be subjected to large resistance, and the rotation speed is reduced; and the friction force between the two is continuously increased through further extrusion until the sanding spindle smoothly stops rotating under the action of the friction force, so that the quick stopping effect is realized.

The application belongs to the field of wallboard installation devices, and discloses an intelligent installation device for fabricated building decoration wallboards and a wallboard installation method. The intelligent installation device for fabricated building decoration wallboards comprises a machine base, a turnover unit arranged on the machine base, and a turnover unit for turning a horizontally placed wallboard to stand on the turnover unit. The turnover unit is located on one side of the turnover unit, and the turnover unit is used for turning a standing wallboard to the other side of the turnover unit. A gantry is arranged on the machine base. The turnover unit comprises a turnover frame arranged in the gantry and capable of being turned around a vertical axis, a supporting block for supporting the bottom of the wallboard and a vacuum suction cup capable of sucking the wallboard, and a top block for pushing the wallboard on the vacuum suction cup. In addition, the wallboard installation method comprises the intelligent installation device for fabricated building decoration wallboards. The present application can move the horizontally placed wallboard, and abut the end face of the wallboard against the wall body for subsequent assembly.