16 results about "Band brake" patented technology

The utility model provides a test bed for brake torque detection and material running-in, which relates to the technical field of brake detection and brake material test, and comprises a brake system, a detection system and a control system, the brake system comprises a brake wheel, two ends of the brake wheel are rotatably connected with a support shaft, and the brake wheel is rotatably connected with a bracket through two ends of the support shaft; a base is fixed to the bottom of the support, a driving hydraulic cylinder is fixed to the upper end of the base, a force sensor is fixed to the upper end of the driving hydraulic cylinder, a lever is rotationally connected to the upper end of the force sensor, an angle sensor is fixed to the surface of the lever, and the side end of the lever is rotationally connected with the upper end of the support. In combination with an existing advanced data processing algorithm, high-precision detection of the braking torque of the large belt brake can be realized, and the detection precision technology is improved.

This invention discloses a brake release device for an arc welding robot, relating to the field of robot technology. The brake release device includes: a collision sensor, which outputs a low level when the welding torch of the arc welding robot collides with another object, and outputs a high level when no collision occurs; and a main control chip, whose input is connected to initial, intermediate, and end manual switches, the output of the collision sensor, and a switching switch. The main control chip outputs a shaft brake release switch. When the welding torch of the arc welding robot collides with another object, the main control chip controls the relevant brake to release the brake through signal acquisition and calculation from the collision sensor. When a collision fault occurs during the automatic operation of the arc welding robot, the end brake is automatically released, allowing the robot to be removed from the interference zone for maintenance at any time, while ensuring that the servo origin is not lost during the rotation of each axis.

The present application relates to a kind of spot defect marking fixed-length reel changing systems, belong to cable production equipment technical field, including cable extruder, defect calibration frame, meter mark spraying frame, outlet frame, reel changing frame base and cable reel, the top of defect calibration frame and meter mark spraying frame both sides are fixedly installed with cable conveying frame, the top of defect calibration frame and meter mark spraying frame are fixedly installed with cable bracket, the top of defect calibration frame is fixedly installed with cable defect detector and marking spraying machine, meter mark spraying frame is fixedly installed with meter mark printer and cutting hydraulic cylinder, cutting hydraulic cylinder is fixedly installed with cutting tool, the top of outlet frame is fixedly installed with adjusting frame, the inner wall of adjusting frame is fixedly installed with No.2 band brake stepping motor.In the present application, spot defect position can be accurately marked on non-stop reel changing production line and quickly changed reel, so as to facilitate secondary exclusion in subsequent process, reduce the workload of staff, increase production efficiency, and ensure cable quality.

The invention relates to the technical field of converter oxygen lances, in particular to an accident lance lifting device for a converter oxygen lance, which comprises a bottom plate, the top of one end of the bottom plate is fixedly connected with a first mounting plate, the first mounting plate is fixedly connected with a main motor, and an output shaft of the main motor is fixedly connected with a first crowned tooth coupling with a brake wheel; a main reduction gearbox is fixedly connected to the middle of the bottom plate, and a high-speed shaft of the main reduction gearbox is connected with a second drum-shaped tooth coupling with a brake wheel. An elastic bearing is arranged through a pin, when a main motor is powered off or breaks down, a clutch is closed, meanwhile, an accident lifting driving device is connected, an accident lifting motor drives a second reduction gearbox to work, the second reduction gearbox drives the clutch to work, and the clutch drives an elastic coupler to rotate; the elastic coupler drives the main reduction gearbox to work, the main reduction gearbox drives the winding drum to rotate, the winding drum lifts and moves away the oxygen lance through the steel wire rope, and the safety of the oxygen lance is protected.

This invention discloses a radial brake mechanism, comprising an annular cylinder, an annular piston, a radial contraction spring, and an elastic locking sleeve. An annular groove is formed on the upper surface of the annular cylinder, into which the annular piston is embedded. The radial contraction spring is disposed on the upper surface of the annular piston, and a pressure ring is provided on the upper surface of the annular piston. An injection hole communicating with the annular groove is formed on the side wall of the annular cylinder, and a component with the same structure as the upper side is provided on the lower side of the annular cylinder. A ball screw passes through the elastic locking sleeve via the lower annular end cover and exits through the upper annular end cover. This brake mechanism achieves rapid locking and releasing under pressure fluid control, and is particularly suitable for locking the feed axis screw of CNC machine tools. It can also be widely used in locking other rotating or axially moving components.

The utility model discloses a simple tunnel short side wall longitudinal steel edge water stop belt tensioning device which comprises a rotating support, a rolling assembly is arranged on the rotating support, a clamping mechanism is installed on the rolling assembly through a connecting mechanism, the rolling assembly comprises a take-up wheel, the take-up wheel is installed on the rotating support in a rotating mode, and the clamping mechanism is installed on the rotating support. A rotating shaft is arranged on one side of the take-up wheel, a brake wheel is installed at the end of the rotating shaft, a rotating rod is installed at the end, away from the take-up wheel, of the brake wheel, a steel rope is wound around the take-up wheel, and the end of the steel rope is installed on the rotating support. The rotating rod is rotated to drive the take-up wheel to rotate, a water stop belt is tensioned, after the water stop belt is tensioned to a certain degree, the key is pressed down, the oil pump drives the brake pad to move, the brake pad extrudes the brake wheel, the brake wheel is fixed, and the take-up wheel is prevented from rotating.

The utility model discloses an unwinding and braking device for a skip car, which relates to the technical field of tire component manufacturing and comprises a station frame, an unwinding component and a braking component, and the unwinding component and the braking component are respectively positioned on two sides of the station frame. The unwinding assembly comprises a guide rail, a mounting base, an unwinding gear and an unwinding motor, the guide rail is transversely fixed to the outer side of the station frame, the mounting base is slidably mounted on the guide rail, and the unwinding gear and the unwinding motor are both mounted on the mounting base and are in chain transmission; the brake assembly comprises a first expansion piece, a swing arm and a brake band-type brake, one end of the swing arm is hinged to one side of the station frame, the brake band-type brake is installed at the other end of the swing arm, and a damping roller used for being matched with the wheel edge of the storage wheel is installed on an output shaft of the brake band-type brake. The gear shaft of the unwinding gear and the gear shaft of the skip car gear are located on the same horizontal plane, the unwinding gear is driven by the mounting base to move horizontally so that tight meshing of the unwinding gear and the skip car gear can be achieved, and the phenomenon that the unwinding gear and the skip car gear are disengaged in the running process is avoided.

The invention provides a self-adaptive pretightening force adjustable double-acting belt brake which comprises a belt brake assembly arranged on the periphery of a brake drum, the belt brake assembly is composed of an outer shell, a brake belt, anchoring connecting mechanisms and a self-adaptive adjusting mechanism, the brake belt is connected to an inner cavity of the outer shell through the two anchoring connecting mechanisms, and the self-adaptive adjusting mechanism is arranged in the outer shell. The brake belt is arranged on the periphery of the brake drum in a surrounding mode, an initial gap is preset between the brake belt and the brake drum, it is ensured that no contact exists in the non-brake state, the two anchoring connecting mechanisms are symmetrically arranged on the outer side of the brake belt, under the action of the two anchoring connecting mechanisms, the brake belt is allowed to slide slightly in the tangential direction when stressed, stress concentration is avoided, and the brake performance is improved. The self-adaptive adjusting mechanism is connected between the brake belt and the outer shell, the brake operation of the brake belt on the periphery of the brake drum on the brake drum is completed through the self-adaptive adjusting mechanism, and high efficiency and convenience are achieved.

The utility model belongs to injection molding machine locking device technical field especially relates to a kind of integrated clutch booster mechanism and its locking device, including base;Base is equipped with clutch device, and clutch device includes guide pillar;Guide pillar one end is fixed, and the other end is set in base, and guide pillar is equipped with the clutch assembly that can be positioned with guide pillar and is connected, clutch assembly can be close to or away from guide pillar, close, clutch assembly is positioned and is connected in guide pillar, away, clutch assembly removes the positioning and is connected of guide pillar;Clutch device bottom is also equipped with booster anti-expansion device, and booster anti-expansion device is used to prevent mould expansion, and booster anti-expansion device is integrally arranged with base, for reducing booster anti-expansion device height. Through the integrated setting of hydraulic oil cylinder and base, the height of the workbench can be further reduced, and the user can install the mold conveniently.

The invention discloses an active disc coupling with a braking function. The device comprises an induction disc rotatably installed on a motor tail shaft, a magnetic steel disc fixed on the motor tail shaft and corresponding to the induction disc, and a brake used for braking the induction disc. The brake comprises a coil assembly installed on the motor tail cover, an armature installed on the coil assembly in a floating mode and a brake plate fixed to the armature, and the armature can move up and down along with power-off and power-on of the coil assembly so as to drive the brake plate to make contact with or be separated from the induction disc. The brake device has the advantages that when braking is needed, the brake plate is driven by the power-losing armature to directly brake the induction disc, then the motor shaft is indirectly braked through the hindering effect generated by magnetic coupling between the induction disc and the magnetic steel disc, the braking process is smoother, the motor shaft can rotate again after bearing large torque instead of being locked, and the braking effect is better. Therefore, equipment is prevented from being damaged due to the fact that torque exists but the motor shaft cannot rotate, and actual use requirements are better met.

This utility model relates to the field of ore smelting technology, and in particular to a two-half split combined brake, including a bracket and support rods. The bracket has two support rods rotatably connected internally via pins. The end of the upper support rod is fixedly connected to the first brake plate. A nut drives a screw to rotate, separating the screw from the nut, pulling the sleeve, and rotating the sleeve and sliding rod. The sleeve, sliding rod, and spring are no longer connected to the first and second ear plates. Rotating the first and second ear plates separates the first and second brake plates from the outside of the electric arc furnace motor, allowing the brake to be removed for maintenance. This innovative design transforms the original integral electrode brake into a two-half split bolt-connected combined brake. During maintenance and disassembly, it is divided into two small parts, facilitating brake disassembly and maintenance, and significantly reducing maintenance and downtime. The maintenance time for the brake equipment is significantly reduced, maintenance quality is improved, and maintenance costs are lowered.

The invention relates to the elevator technology, in particular to a device and method for band-type brake control. According to one aspect of the disclosure, a device for band-type brake control is provided. The apparatus includes a first branch and a second branch connected in parallel with the first branch. The first branch and the second branch respectively comprise a first band-type brake coil and a first switch element which are connected in series and a second band-type brake coil and a second switch element which are connected in series. The apparatus further includes a third switching element connected between the power source and the first and second branches, the third switching element configured to switch the power source on or off the first and second branches in response to a status of the elevator safety link. In the device, when the power supply is connected with the first branch circuit and the second branch circuit, the power supply of the power supply to the first band-type brake coil and the power supply of the power supply to the second band-type brake coil are controlled through the first switch element and the second switch element respectively. In particular, the control signal for the first switching element and the second switching element comprises a pulse width modulated signal.

The invention relates to the technical field of capital construction engineering, in particular to a complex terrain beam field track crossing intelligent control system and method.The method comprises the steps that firstly, state information of a steering track and running position information of a traveling crane and a trailer are collected in real time, data fusion processing is conducted, and high-precision track state and equipment position data are obtained; based on the track state and the equipment position data, in combination with a preset priority rule, determining whether to trigger a steering action, brake state adjustment and equipment passing authority; according to a decision result, controlling a steering track to perform automatic steering and locking and unlocking of a band brake device, and cooperatively adjusting a power supply mode; according to the method, the effect of action execution is verified in real time, if deviation exists, a correction mechanism is triggered, closed-loop control is achieved, and the technical problems that in the prior art, a traditional cross traffic control mode depending on manual scheduling and simple mechanical limiting has obvious deficiencies in the aspects of efficiency, safety, automation degree and operation stability are solved.

A system includes a permanent magnet generator (PMG) with a generator shaft defining a longitudinal axis. A brake system includes a brake shaft with a first end operatively connected to the generator shaft for selectively rotating with the generator shaft or braking to slow the generator shaft. The brake system includes a band with a first position radially withdrawn from the brake shaft, and a second position radially pressed against the brake shaft for applying braking forces to the brake shaft and to the generator shaft. The brake system includes an actuator operatively connected to the band to actuate the band from the first position to the second position.

The application provides a crown block walking device with an emergency auxiliary mechanism, which comprises a rear walking mechanism and a first emergency auxiliary mechanism, the first emergency auxiliary mechanism being connected with the rear walking mechanism; the rear walking mechanism comprises rear walking wheels and a first driving mechanism, the first driving mechanism being used for driving the rear walking wheels to walk on a track; the first driving mechanism comprises a band brake mechanism, the band brake mechanism being used for locking the rear walking wheels, the first emergency auxiliary mechanism comprising a first extension piece and a first auxiliary wheel connected with each other; when the rear walking wheels are locked by the band brake mechanism, the first extension piece is used for separating the rear walking mechanism from the track and making the first auxiliary wheel contact the track, and the first auxiliary wheel is used for walking along the track. The mechanism can enable the first auxiliary wheel after the rear walking wheels are locked, facilitates moving the crown block to a maintenance area through the first auxiliary wheel, and realizes quick escape of the crown block.

The utility model relates to humanoid robot rotary joint technical field, and disclose a kind of hollow humanoid robot rotary joint of integrated torque sensor, including mechanical component and drive and sensor component, mechanical component is basic structure, containing harmonic reducer assembly, inner rotor motor assembly and hollow wiring assembly, can provide standard interface connection joint and mechanical arm rod, drive and sensor component cover joint power supply, communication and other modules, the joint uses compact harmonic reducer etc., realize miniaturization, light weight, adjust component position and promote rigidity, retain wiring function, applicable to a variety of application scenarios, furthermore, add band brake device in drive motor structure, automatically lock joint when emergency or power failure, guarantee safety, maintain joint position when stationary, simultaneously, integrated torque sensor measures joint torque in real time, improves action accuracy etc.