244results about How to "Act as a brake" patented technology

The invention relates to a device capable of achieving multidirectional detection. The device comprises a horizontal installation platform and a circular guide rail arranged on the installation platform. The circular guide rail is provided with a sliding table capable of moving along the guide rail, the sliding table is vertically provided with a Z-axis support capable of rotating horizontally, and the Z-axis support is provided with a detection platform capable of being moved up and down and adjusted. The measuring platform can be driven to rotate by 360 degrees by the circular guide rail, and a measuring device on the detection platform can carry out multidirectional detection on an object to be detected and arranged in the guide rail.

The invention belongs to the technical field of hybrid power vehicles, and in particular relates to a hybrid power vehicle using a power battery-ultracapacitor module composite power supply power system. The power system consists of a composite power supply system, an electric motor and an engine; the composite power supply system consists of an ultracapacitor module, a power battery, a power converter and a power supply control system; the power converter is connected with the ultracapacitor module and the power battery by adopting a direct current-direct current conversion principle to realize energy transfer between the ultracapacitor module and the power battery; the composite power supply system is connected with the electric motor through a direct current(DC)/alternating current (AC) module; the ultracapacitor module is formed by connecting 100 to 200 ultracapacitor single bodies in series; and the power supply control system adopts a sensor to acquire various state quantity at present through a controller area network (CAN) bus transmission signal and transmits the acquired values to a control unit to process, and the control unit provides a hybrid power solution for the vehicle according to different acquired values and the requirement of the whole vehicle.

The invention belongs to the technical field of hybrid electric vehicles, and particularly relates to a hybrid electric vehicle using a super-capacitor accessory power system. The hybrid electric vehicle using the super-capacitor accessory power system adopts parallel-connection power assembly structural style. A power system is composed of a power source system, a motor and an engine. The power source system is composed of a super-capacitor die set and a power source control system. The super-capacitor die set is connected with the motor through a direct-current (DC)/ alternating current (AC) module. The super-capacitor die set is composed of super capacitor monomers with the number of 100-200 in a series-connection mode. The power resource control system transmits signals through a controller area network (CAN) trunk. A control unit provides a hybrid power solution for a vehicle according to different collecting values of sensor and vehicle requirements.

The invention discloses a piston type oscillating cylinder which comprises a cylinder body, rack-shaped piston rods, adjusting screw rods and an output shaft. The cylinder body is provided with two cylinder chambers and two end covers. The two rack-shaped piston rods are arranged in the two cylinder chambers respectively. The two adjusting screw rods are arranged on one end cover. The output shaft is fixedly provided with a gear which is in meshed connection with the two rack-shaped piston rods. The output shaft is connected with a rotary disk. The end cover where the adjusting screw rods are placed is a gas inlet end cover, and the other end cover is a gas outlet end cover. Each adjusting screw rod is provided with a gas inlet hole and a gas inlet adjusting mechanism. Each rack-shaped piston rod is provided with a vent hole. The gas outlet end cover is provided with two exhaust holes and two exhaust adjusting mechanisms which correspond to the two cylinder chambers respectively. According to the piston type oscillating cylinder, the rack-shaped piston rods are provided with the vent holes so that gas can flow to the other end from one end of each cylinder chamber, a buffer effect is achieved on the movement of the rack-shaped piston rods, the movement of the rack-shaped piston rods is stable and collision force is reduced.

The invention provides a truck braking radiating system which comprises a braking drum, braking shoes and a braking piece, wherein a pair of arc-shaped braking shoes are arranged inside the braking drum. The truck braking radiating system is characterized in that a plurality of braking drum rivet holes are formed in the inner wall of the braking drum, braking piece rivet holes corresponding to the braking drum rivet holes are formed in the braking piece, and the braking piece is fixed on the inner wall of the braking drum through a rivet; the inner cavity of each braking shoe is emptied, the opposite ends of the braking shoes are connected through a guiding pipe, the other end of one braking shoe is provided with a braking shoe water inlet pipe, and the other end of the other braking shoe is provided with a braking shoe water outlet pipe; a water tank circulating radiating device or a mechanical circulating radiating device provided with a water pump and a radiator is arranged between the braking shoe water inlet pipe and the braking shoe water outlet pipe. A truck does not need to fill the water in a large water tank anytime to spray the braking drum to radiate, the oil consumption quantity of the truck is reduced, the trouble that a driver needs to add the water in the midway is omitted, and the time and the money are reduced.

The invention relates to a composite energy storage assisting engine. One to four auxiliary air cylinders are added to an ordinary internal combustion engine, through the combined use of two electromagnetic valves, two-way sealing air valves and a plurality of one-way valves for the air inlet and air outlet of the auxiliary air cylinders, the multifunction of brake energy accumulation, brake, starting, acceleration assisting and normal running pressure boosting under the condition that the auxiliary air cylinders and an ordinary internal combustion engine system share a crank shaft, a cam shaft, a lubricating system, a cooling system and a timing system by using the simplest structure is realized, the structure of the whole set of device is simple, the weight is light, the lubrication and the cooling are realized through the original engine structure, the operation is safe and reliable, the processing process is mature and simple, the cost is low, the energy is saved, and the pollution is low.

The invention relates to a rotation braking device of a tower crane. A brake seat is fixedly installed on a case body around an output shaft of a rotation speed reducer, an inner taper is extendeds out of the middle part of the brake seat, and an electromagnetic coil is inlaid in the brake seat; a positioning guide spline is installed on the output shaft of the rotation speed reducer through a key, a brake drum is installed on the outer circle of the positioning guide spline in a spline fit mode, and the outer circle of the brake drum has the same taper as the middle part of the brake seat; an armature is fixedly arranged on the plane of the upper end of the brake drum by using a screw, and a spring piece is arranged on the output shaft of the rotation speed reducer, which is positioned on the upper part of the armature; and the armature is hung in a long hole of the spring piece through a hang spring. The rotation braking device has the advantages of simple structure, small axial size, larger braking force and long service life.

The invention relates to an electromagnetic liquid cooling decelerator adopting an outer rotor structure. The electromagnetic liquid cooling decelerator comprises a rotor arm, a rotor, a stator, a decelerator bracket and a coil, wherein the rotor arm is connected with a transmission shaft of an automobile through a key; the rotor is connected with the rotor arm, is connected with the transmission shaft through the rotor arm, moves together with the transmission shaft, and is a tooth-shaped rotating disc; more than two salient poles are arranged on the inner wall of the rotor; the stator is connected with the decelerator bracket; the coil is directly wound on the stator; the coil and the stator are static components. The electromagnetic liquid cooling decelerator has the characteristics that non-contact braking is adopted; the braking performance of the automobile is improved effectively; the structure is compact; the mass is lightened; the mounting is simple and convenient; maintenance is reduced; environmental pollution is avoided; pole-free adjustment of braking torque can be realized; the work efficiency is improved; requirements of the automobile can be met better.

The invention belongs to the field of self-locking carts, and particularly relates to a self-locking cart driven by friction. The self-locking cart driven by friction comprises universal wheels, a bearing box, a handrail and brake wheel mechanisms. When people use the self-locking cart, when the cart stops, a first mounting block installed on the cart can rotate under the action of the a corresponding extension spring; the rotation of the first mounting block turns brake wheels into rolling friction with the ground, that is to reduce the friction loss of the brake wheels; at the same time, thebrake wheels and a second walking wheel are perpendicular to each other through the movement of the first mounting block, namely self-locking of the cart is realized; and the cart is prevented from starting again after stopping and affecting other things.

The invention discloses a two-way self-locking electric push rod, and belongs to the technical field of linear transmission. The two-way self-locking electric push rod comprises an outer pipe, an inner pipe, a transmission lead screw and a transmission nut; the transmission lead screw is rotationally mounted in the outer pipe; the transmission nut is fixedly connected with the inner pipe; the electric push rod is provided with a self-locking device; the self-locking device comprises a left bearing base, a right bearing base, and a brake disc arranged between the left bearing base and the right bearing base for tightly bonding with the left bearing base or the right bearing base; the left bearing base and the right bearing base are mounted on the outer pipe; the brake disc is fixedly mounted on the transmission lead screw; a self-locking torsion spring is arranged at the outer periphery of the brake disc in a sleeving mode; and the self-locking torsion spring is in interference fit with the outer periphery of the left bearing base, the outer periphery of the right bearing base and the outer periphery of the brake disc. The two-way self-locking electric push rod has the advantages of capability of realizing two-way self-locking, simple structure and stable self-locking.

The invention discloses high-altitude operation power line repair equipment which comprises a main pedal and an outer buckling ring; a sliding groove is formed in the main pedal, the outer buckling ring is slidably connected into the sliding groove in a sleeved mode, a toothed plate and an inner ratchet are arranged on the two side faces of the outer buckling ring correspondingly, and a U-shaped piston is arranged in the main pedal; the two ends of the U-shaped piston are sleeved with connecting rods in a sliding mode, and the connecting rods are connected with a reverse rotation preventing device and a threaded rod correspondingly. The pressure effect of the human body gravity on the threaded rod is utilized, and the transmission performance of the inner threaded gear on the outer buckling ring is matched, so that the outer buckling ring can rotate, and the purpose of adjusting the inner diameter of the ring, making contact with the telegraph pole, of the outer buckling ring is achieved; and by increasing the contact area of the outer buckling ring and the telegraph pole, the friction force between the outer buckling ring and the telegraph pole is increased, and the stability of the equipment and the personal safety of operators are improved.

The invention discloses an automatic horizontal winding machine which comprises a worktable, a main base and a tail base symmetrically arranged on two sides of the worktable and a wire guiding mechanism movably arranged between the main base and the tail base; the main base comprises a main case, a reducing motor fixed in the main case, a transmission shaft in transmission connection to the reducing motor through a belt and a driving supporting part in transmission connection to the transmission shaft through a transmission gear bank; the tail base comprises a tail base box and an auxiliary supporting part which is movably mounted on the upper part of the tail base box and is arranged aligned with the driving supporting part; the wire guiding mechanism comprises a guide rail assembly arranged between the main base and the tail base, a guide seat movably mounted on the guide rail assembly and a wire guiding rack fixed above the guide seat. The automatic horizontal winding machine disclosed by the invention can be suitable for clamping and positioning workpieces of different lengths, and the guide seat is more stable to move, so that the winding precision is improved.

The invention discloses a brake unit for automatic profile stamping and shearing machines. The brake unit comprises a support, a brake shaft, a brake pad, a fixed block, a brake shaft sleeve, a retaining nut and a spring; the brake shaft is mounted in the central hole of the support, the brake pad is fixed on the left end of the brake shaft, the brake shaft sleeve and the retaining nut are respectively sleeved on the brake shaft, the brake shaft sleeve is fixed on the support through the fixed block, the outer wall of the retaining nut is screwed in the inner wall of the brake shaft sleeve, the brake shaft is provided with the spring and a lug boss, and the spring is arranged between the lug boss and the right wall of the retaining nut. Adopting the technical scheme of the invention, the brake unit has the advantages of simple structure, reasonable design, good braking effect, safety and reliability, can conveniently adjust stamping speed, and is convenient to mount and maintain.

The invention provides a novel backing structure device of a water navigation body, the main body structure of the backing structure device is a storable backing water bucket, the backing water bucket is deployed and mounted on a bottom plate behind a water injection nozzle of a spraying and pushing device deployed and mounted on the outer side of a bottom plate of the water navigation body, and the width of the backing water bucket is greater than the total width of the water injection nozzles of all corresponding spraying and pushing devices in front. According to the water navigation body reverse navigation operation, when only the spraying and pushing device corresponding to the reverse navigation water bucket works in the water spraying state, the reverse navigation water bucket is moved out of the storage bin according to the control instruction, water flow sprayed out of the water spraying opening of the spraying and pushing device is blocked so that the water flow can flow back, reverse navigation force is obtained and transmitted to the water navigation body, and reverse navigation of the water navigation body is achieved. When the propelling work of the water navigation body propelling device is stopped, the backward navigation water bucket of the water navigation body in the running state is released, the backward navigation water bucket obtains the resistance for preventing the water navigation body from continuing to navigate, a certain braking effect can be achieved, strong speed reduction and braking resultant force can be formed through combined operation with other speed reduction/braking devices, and rapid speed reduction/braking of the ship is achieved.

The invention discloses a transfer system for transporting bogies, and relates to the technical field of bogie transporting devices. The problem that in the existing bogie maintenance process, the bogie transporting efficiency is low is solved. The transfer system comprises rotary tables and straight rails. First rails used for transporting the bogies are arranged on the rotary tables and the straight rails. Transporting rails used in cooperation with the first rails are arranged on one sides of the first rails. Vehicle bodies used for pushing the bogies are mounted on the transporting rails.The transfer system has the advantages of being high in transporting efficiency and simple in operation and saving energy.

The invention belongs to the technical field of self-locking carts, in particular to a self-locking cart. The self-locking cart comprises universal wheels, a bearing box, handrails and a brake wheel mechanism. When people use the self-locking cart, when the self-locking cart stops, a first mounting block installed on the cart rotates under the action of a corresponding tension spring. The first mounting block rotates and causes rolling friction between brake wheels and ground, namely, the friction loss of the brake wheels is reduced, at the same time, the movement of the first mounting block can make the brake wheels and a second traveling wheel perpendicular to each other, and the inclined surface on a limiting rod is in contact with teeth on a limiting gear. The limiting rod plays a rolein limiting the limiting teeth, at the same time, the cart is braked by friction between the brake wheels and the ground, namely, the cart is self-locked, and the cart is prevented from starting again to affect other things after stopping.

The invention discloses vertical-axis wind-power generation equipment and a power generation method. The vertical-axis wind-power generation equipment comprises a pedestal (1), a ring-shaped rail (2),at least two rail vehicles (3), a power generator (9) and a vertical principal axis (6), wherein the ring-shaped rail (2) is fixedly arranged on the pedestal (1); the rail vehicles (3) are arranged on the ring-shaped rail (2); at least one lifting blade (4) is mounted on each rail vehicle (3); and each rail vehicle (3) is fixedly connected to the vertical principal axis (6) through at least one beam (5), the lifting blade (4) receives wind to generate lifting force to push the rail vehicle (3) to perform ring-shaped movement along the ring-shaped rail (2), the vertical principal axis (6) is driven by a beam (5) to rotate to drive the power generator (9) to generate electric energy. The power generation method comprises the following steps: acquiring environment wind direction informationthrough a blade master control device, and obtaining real-time direction information of the rail vehicle (3); enabling the blade master control device to emit a control signal to the blade drive device, and regulating the angle of each lifting blade (4) according to the environment wind direction and the current position of the corresponding rail vehicle (3).

The invention relates to lifting equipment, and particularly discloses a cargo lifting device with a safety alarm function. The cargo lifting device comprises a mounting support and a cargo lifting platform, the cargo lifting platform is in sliding connection with the mounting support through a rail, a plurality of stop blocks are arranged on the rail, a gas pressing structure, a gas tank and a pneumatic brake structure are arranged on the side face of the cargo lifting platform, wherein the gas pressure structure comprises a cylinder body and a wedge block which is arranged in the cylinder body and can slide, a pressure spring abutting against the wedge block is arranged in the cylinder body, an air inlet one-way valve and an air outlet one-way valve are arranged at the bottom of the cylinder body, the air outlet one-way valve is connected with the gas tank, an infrared sensor which is electrically connected with a controller is arranged at the bottom of the cargo lifting platform, the pneumatic brake structure comprises an air chamber and a brake block, the brake block can extend out of the air chamber and can be matched with the stop blocks, a tension spring is arranged inside the air chamber and is connected with the brake block, the air tank is connected with the air chamber through an electromagnetic valve, and the electromagnetic valve is electrically connected with thecontroller. In the descending process of the cargo lifting platform, the pneumatic brake structure has an emergency braking function on the cargo lifting platform.