62results about How to "Reduce inertial shock" patented technology

The invention discloses an M-shaped packaging bag opening mechanism, which comprises a rotary master disc, wherein the front end of the rotary master disc is rotatably provided with two corresponding swing arm spindles; the upper ends of the swing arm spindles are respectively provided with a swing arm; the front ends of the swing arms are respectively provided with a sucking disc seat; the lower ends of the swing arms are respectively provided with a gear; a rack respectively meshed with the two gears is arranged between the gears; a guide hole is arranged in the front end of the gear; a spring is installed in the guide hole; a connecting plate is arranged between the gear and the sucking disc seat; one end of the connecting plate is rotatably installed on the outer edge of the gear; the other end of the connecting plate is rotatably installed on a fixed support plate on the sucking disc seat; an idler wheel is rotatably installed in the rear end of the rack; and the idler wheel is in rolling cooperation with a swinging cam behind the idler wheel. The M-shaped packaging bag opening mechanism disclosed by the invention has the advantages of reasonable layout, small part amount, reliability in acting, stability in operation, high bag opening efficiency, pure mechanical mechanism, small travel, high operation speed, small inertial impact, convenience in regulation, high interchangeability, good adaptation on the packaging bag material and long service life.

The invention provides an air generator shock absorption device on a steering wheel and belongs to the technical field of automobile accessories. The air generator shock absorption device comprises a support wheel and a buffer assembly. An air generator is connected onto the buffer assembly made of a rubber material. When head-on collision of a vehicle occurs, the buffer assembly made of the rubber material in an air bag restraint module can effectively buffer recoil force produced by the detonated air generator, namely the contact time of an air bag and a person is prolonged, the buffer time of a safety belt is prolonged, inertia impact of the person is reduced to some extent, impact force between the person and the air bag is reduced, and injury level is reduced. In addition, due to the fact that the air generator is connected onto an elastic connecting column of the buffer assembly, the air generator shock absorption device has certain shaking capacity. When jolt shake produced by the whole vehicle in running is transmitted to the steering wheel, the steering wheel can transmit agglomerated energy to the air generator through the buffer assembly, the air generator and the elastic connecting column shake, the shaking degree of the steering wheel is reduced, noise is reduced, and driving comfort is improved.

The invention relates to a shuttle with a magnetic buffer device, belonging to transportation equipment with a magnetic buffer device capable of buffering inertia impact caused in the acceleration and retarding process so as to avoid goods overturn in running. The invention mainly solves the technical difficult point that the traditional shuttle bears strong inertia impact and is easy to collapse stacks. For solving the technical problems, the invention provides the following technical scheme: the shuttle with the magnetic buffer device comprises a shuttle body and the magnetic buffer device which is arranged on the shuttle body. The invention has the advantages that the inertia impact can be buffered and the stacks are not easy to collapse.

The invention discloses a rope-driving elbow-wrist rehabilitation robot. The rope-driving elbow-wrist rehabilitation robot is characterized by comprising a moving supporting system, a driving system, a large-arm supporting system, an elbow training system, a small-arm supporting system and a wrist training system; both the driving system and the large-arm supporting system are installed on the moving supporting system; the large-arm supporting system is connected with the small-arm supporting system through the elbow training system; the wrist training system is installed on the small-arm supporting system. According to the rope-driving elbow-wrist rehabilitation robot, elbow-wrist-injured patients are subjected to all-around rehabilitation training, and rotating of three freedom degrees of medial rotation/lateral rotation, internal bending/extending and adduction/abduction of the wrist joints and rotating of a freedom degree of buckling/extending of the elbow joints can be achieved. Single-freedom-degree training can be carried out, multiple-freedom-degree cooperative training can also be carried out, the requirements of comfortable performance, the safety and the flexibility and elasticity of the patients are met, and meanwhile the rope-driving elbow-wrist rehabilitation robot has the advantages of being light in weight, good in continuity and small in movement impact.

The invention discloses a multifunctional wrecker. The multifunctional wrecker comprises a lorry-mounted crane, a multi-section loading board, a lifting traction mechanism and a buffer type traction hook which are arranged on a frame. The multifunctional wrecker has a simple structure, is convenient to operate and is a multifunctional and multi-configuration wrecker. According to the multifunctional wrecker, the operation capacity of the wrecker can be improved, and the flat carrying and lifting capacities of the wrecker are brought into full play; furthermore, the operation range of the wrecker can also be expanded and the objects of the obstacle clearing vehicle are expanded.

The invention relates to a rubber fatigue tensile test bench and a rubber fatigue tensile test method. The test bench is composed of three parts, that is, an actuator, a data collection system and a control system, and the actuator comprises an overall fixing fixture, a force sensor, a left fixture, a right fixture, a sliding table, a support rod, a lead screw, a sliding table base, a coupling anda servo motor; the control system comprises a data collection card, a computer, a human-computer interaction interface and a PLC control system; the control system controls the rotation speed and direction of the servo motor through the PLC control system, so as to control the left fixture and the right fixture to load a rubber test sample; the rubber fatigue tensile test bench provided by the invention is simple in overall system composition, high in maneuverability and good in human-computer interaction; and further, a rubber fatigue tensile model obtained by using the rubber fatigue tensile test method provided by the invention is more accurate compared with that in the prior art.

The invention belongs to the field of oilfield oil production equipment and in particular relates to an oil pumping unit semi-direct drive device. The oil pumping unit semi-direct drive device comprises a bracket, a walking beam and a driving mechanism; the middle part of the walking beam is hinged to the top end of the bracket; the driving mechanism is connected between the bracket and the walking beam; the driving mechanism comprises a cylinder body A, a spiral shaft component and a motor; one end of the spiral shaft component is inserted in the cylinder body A; the upper end of the cylinderbody A is hinged to the walking beam; the lower end of the spiral shaft component is hinged to the bracket; and a counterweight mechanism is arranged at the tail part of the walking beam. An energy storage device is connected to the driving mechanism. According to the oil pumping unit semi-direct drive device, an unprecedented spiral transmission mechanism is adopted to drive the walking beam toswing; compared with a traditional oil pumping unit, the oil pumping unit semi-direct drive device has the advantage that the oil pumping unit semi-direct drive device is easier to maintain due to abandoning a belt transmission mechanism; and compared with an existing motor direct-drive walking beam type oil pumping unit, the oil pumping unit semi-direct drive device has the advantages that requirements on parameters such as power, torque and starting performance of a motor are very low, and the motor operation reliability is also improved.

The invention discloses a buffer protection transmission device and method for a shuttle type distribution trolley in the technical field of metallurgical mechanical equipment. The device comprises atrolley base, moving rails, a transmission axle, roller assemblies, a transmission chain wheel and a trolley frame; the moving rails are paved on the top of the trolley base in a left and right symmetry manner, the roller assemblies are arranged at the two ends of the transmission axle, the roller assemblies move along the moving rails, the transmission chain wheel is fixedly arranged at the middle portion of the transmission axle in a key connection manner, and the trolley frame is movably mounted on the transmission axle; and each roller assembly comprises an installing inner ring and a moving outer ring, wherein the inner circle of the installing inner ring and the transmission axle are connected in a sleeving manner and are in key fixing transmission, and a buffer device is hinged between the outer part of the installing inner ring and the inner wall of the moving outer ring through a hinge base; and each buffer device comprises an outer sleeve and an inner sleeve. By means of thebuffer protection transmission device and method for the shuttle type distribution trolley, the buffer stroke can be adjusted to achieve the optimum compromise effect.

A forklift, a hydraulic cylinder assembly (100) and a hydraulic device thereof are provided. The hydraulic cylinder assembly (100) includes a cylinder (1) having first, second oil inlets (151, 152) and first, second oil outlets (153, 154) therein; a cylinder liner (2) disposed within the cylinder (1) and being moveable between first and second positions, and defining a first oil port (21) and a second oil port (22) therein; a piston (31) disposed within the cylinder liner (2) and being moveable between a third position and a fourth position; a first oil chamber (41) and a second oil chamber (42) are defined by the cylinder (1), the cylinder liner (2) and the piston (31), the first oil chamber (41) is normally communicated with the first oil port (21), and the second oil chamber (42) is normally communicated with the second oil port (22).

The invention provides a self-pressurizing bidirectional balancing buffer device for a press machine and relates to a self-pressurizing balancing buffer device for balancing motion inertia of a sliding block on a large-size quick press machine. The self-pressurizing bidirectional balancing buffer device comprises a balancing cylinder and an air storage cylinder, wherein a free end of a piston rod of the balancing cylinder is connected with the sliding block of the corresponding press machine; air holes are respectively arranged on end covers at two ends of the balancing cylinder; an air outlet of the air storage cylinder is respectively communicated with the air holes at the two ends of the balancing cylinder through air pipes; and solenoid valves are respectively arranged on the air pipes communicated with a rod cavity and a rod-less cavity of the balancing cylinder. The self-pressurizing bidirectional balancing buffer device for the press machine has the advantages that the motion impact and the inertia impact of the sliding block of the press machine are reduced; the vibration is relieved and the noise is reduced; the manual operation environment is improved; the service life of the press machine and mould is effectively prolonged; and a self-pressurizing device is used for controlling and adjusting the pressure air, so that the normal running of a bidirectional balancing device is ensured.

The present invention discloses a flexible anti-impact circuit board. The circuit board comprises a circuit board body and anchorage plates. The top surface of the circuit board body is provided witha metal circuit layer, and an anti-impact transverse frame is arranged on the top surface of the metal circuit layer. An anti-impact longitudinal frame is arranged on the top surface of the metal circuit layer, wherein the anti-impact longitudinal frame is located at the perpendicular position of the anti-impact transverse frame. The bottom of the anti-impact longitudinal frame is pasted with rubber cushions, and the bottom of the anti-impact transverse frame is pasted with rubber cushions. The circuit board is provided with the anti-impact transverse frame and the anti-impact longitudinal frame, the anti-impact transverse frame and the anti-impact longitudinal frame are arc-shaped structures, and the anti-impact transverse frame and the anti-impact longitudinal frame are riveted with thecircuit board body via screw bolts. A space framework is formed over the circuit board body, when the circuit board body drops, the anti-impact transverse frame and the anti-impact longitudinal framecan keep electronic component(s) on the circuit board body from contacting with objects, and thus structural safety of the electronic component(s) and the circuit board body is ensured; and meanwhile,the anti-impact transverse frame and the anti-impact longitudinal frame have certain flexibility, and thus the anti-impact transverse frame and the anti-impact longitudinal frame play a certain roleof shock absorption when the circuit board is contacted with the objects.

The invention relates to a machining device, and discloses a high-frequency coil lifting gear with a balance weight part. The high-frequency coil lifting gear comprises a base platform and an upright column. The upright column is fixed on the base platform and provided with a lifting slide block which is connected with a drive motor, the lifting slide block is vertically connected with a lifting vertical plate through a vertical plate rotation shaft, and the lifting vertical plate is connected with a high-frequency coil through an insulation plate. The top end of the upright column is provided with a balance weight support which is connected with a balance weight beam through a beam rotation shaft, and balance weights are connected between the high-frequency coil and pulleys arranged on the balance weight beam and the upright column through drag ropes. The high-frequency coil lifting gear is simple in structure, force bearing conditions of the high-frequency coil are greatly improved, the service life of the slide block and the motor is prolonged, the moving range of the high-frequency coil on the platform is enlarged, inertia impact of the coil in the falling process is reduced, the inclination phenomenon of the high-frequency coil due to long-term lifting is avoided, and operators can conveniently and safely use a device.

The invention discloses a circular ash removing method suitable for a fluidized bed boiler, and belongs to the technical field of ash removal of boiler equipment. The circular ash removing method suitable for the fluidized bed boiler comprises a sand loading step and a recycling step, and is characterized in that in the sand loading step, sand is loaded in a sand hopper of a circular sand ash blower; in a sand blasting step, the sand in the sand hopper is placed in a sandblast, and is sprayed in a shaft at the tail by the sandblast; in the recycling step, after scouring a superheater, an economizer and an air pre-heater, the sand sprayed in the shaft at the tail flows into a fluidized bed of the circular sand ash blower, and is recycled via an auger connected to the fluidized bed; and in a sand lifting step, the sand recycled by the auger is elevated and moves to a position above the sand hopper through an electric hoist, and is discharged into the sand hopper through a sand discharging trolley to form a circular ash removal cycle. By the circular ash removing method suitable for the fluidized bed boiler, the sand can be circularly used to remove ash on a heat exchange component in the shaft at the tail, the heat exchange efficiency is improved, and boiler steam rate is increased. The circular ash removing method suitable for the fluidized bed boiler has the features of low energy consumption and good ash removal effect.

The invention discloses a circulating sand dust blowing device, and belongs to the technical field of boiler dust removing equipment. The circulating sand dust blowing device comprises a sand hopper and an electric hoist connected to a boiler top. The circulating sand dust blowing device is characterized in that a sand blower connected to the top of a tail vertical well and a fluidized bed connected to the bottom of the tail vertical well are further included; the sand blower comprises a speed regulation motor, a belt wheel, a transmission belt, a sand blowing pipe and a bearing connected to the sand blowing pipe; the sand hopper is connected with the sand blowing pipe through a sand inlet pipe; a motor shaft of the speed regulation motor is in transmission connection with the belt wheel; the belt wheel is in transmission connection with the bearing through the transmission belt; the sand blowing pipe communicates with the tail vertical well; a packaging auger driven through a motor is connected to the fluidized bed; and a sand discharge trolley is connected to the electric hoist. According to the circulating sand dust blowing device, dust on a heat exchange component in the tail vertical well can be effectively removed, heat exchange efficiency is improved, and the circulating sand dust blowing device has the beneficial effects of being low in energy consumption, good in dust blowing effect and high in use safety.

The invention relates to a device for automatically balancing a moving die table. The device comprises an upper die plate moving table and a lower die plate moving table of a hot former, and is characterized by also comprising at least one supporting piece and at least one soft connection strip, wherein the supporting piece is arranged on a stander of the hot former in a rotatable manner and positioned above the lower edge of an upper fixed table of the hot former; the soft connection strip bypasses the supporting piece; and one end of the soft connection strip is connected with the upper die plate moving table, and the other end of the soft connection strip is connected with the lower die plate moving table. The upper die plate moving table and the lower die plate moving table are mutually pulled through the soft connection strip by taking the supporting piece as a pivot, so that the weights of the upper die plate moving table and the lower die plate moving table are counteracted; therefore, the inertial impact of an upper die plate and a lower die plate during die assembly is reduced, the vibration is reduced, and the die assembly is relatively stable; furthermore, due to the mutual traction action of the upper die plate moving table and the lower die plate moving table, one die plate moving table rises, and the other die plate moving table falls, so that the rising acting forces of the upper die plate moving table and the lower die plate moving table are relatively small, the reactive power loss is reduced, and the efficiency is improved.

The invention discloses a signal control system for an auxiliary brake of a vehicle and a control method of the signal control system. The signal control system comprises an analog quantity sensor and a main control chip, wherein the analog quantity sensor is connected to a main brake of the vehicle to detect the analog quantity of the main brake; the main control chip is in communicating connection with a velocity sensor and a rotational speed sensor of the vehicle to receive a velocity signal and a rotational speed signal of the vehicle and is also in communicating connection with the analog quantity sensor of the vehicle. The main control chip firstly judges whether the received velocity signal and rotational speed signal are both larger than a first preset value or not, if yes, the main control chip continues to judge whether the analog quantity of the main brake is larger than a second preset value or not, and if yes, the main control chip sends a start signal to the auxiliary brake. The signal control system has the advantages that an auxiliary braking system of the heavy-load engineering vehicle is controlled intelligently, and the braking distance can be shortened at the time of emergency braking; at the time of non-emergency braking, the main braking load can be reduced; when the vehicle goes down a slope under a heavy load, it can be guaranteed that the vehicle travels slowly, and travel safety is ensured.

The invention provides a mining handling device. The mining handling device comprises a frame body, a longitudinal moving device, a transverse moving device, a mechanical arm, an auxiliary stabilizingdevice, a mine car, a track and a car stopper; the frame body is arranged inside a tunnel; the longitudinal moving device is longitudinally movably arranged on the upper end of the frame body; the transverse moving device is transversely movably connected with the longitudinal moving device; the mechanical arm is movably arranged on the lower surface of the transverse moving device; the mechanical arm can move laterally under the transverse moving device; the transverse moving device can move longitudinally along the longitudinal moving device; the auxiliary stabilizing device is arranged ona mobile frame body of the transverse moving device, so as to enable the mechanical arm to move stably on the transverse moving device and provide guidance; and the track is arranged on the tunnel ground, wherein one end of track is connected with a cage outlet, and the other end thereof is connected with the car stopper. The mining handling device provided by the invention can be used in gold ore, and has the characteristics of being high in stability, high in mechanization degree, high in efficiency and high in safety.

The invention discloses a mining manipulator. The mining manipulator comprises a frame body, a longitudinal moving device, a transverse moving device, a manipulator body and an auxiliary stabilizing device, wherein the frame body is arranged in a roadway; the longitudinal moving device is longitudinally and movably arranged at the upper end of the frame body; the transverse moving device is transversely and movably connected with the longitudinal moving device; the manipulator body is movably arranged on the lower surface of the transverse moving device and can transversely move under the transverse moving device; the transverse moving device can longitudinally move through the longitudinal moving device; and the auxiliary stabilizing device is arranged on a moving frame body of the transverse moving device and used for enabling the manipulator body to stably move on the transverse moving device and providing guidance. The mining manipulator can be used in gold mines and has the characteristics of being high in stability, mechanization degree, efficiency and safety.

The invention provides a torque steel wire rope coiling block preventing a joint of a steel wire rope from being rubbed off. The torque steel wire rope coiling block is mainly composed of a coiling block body assembly, a spiral spring assembly, a supporting seat and a pre-tightening device which are mounted on a main shaft. The joint of the steel wire rope on the block body is formed by locking one end of the steel wire rope in a G-shaped ring and is mounted above an arc-shaped partition plate in the coiling block body assembly, so that the joint of the steel wire rope on the block body is prevented from being rubbed off and the steel wire rope is conveniently replaced. In the metallurgical industry, connection, which is originally hard connection by directly using the steel wire rope or a chain, of looping cars in a strip steel continuous high-speed production unit is changed into energy-storing soft connection of a spring torque, so that the inertial impact of the loop cars in operation and the workload of maintenance personnel are reduced, and the product quality of the strip steel is improved.

The invention relates to a spring hydraulic buffer protection device. Kinetic energy of a shuttle vehicle is converted into internal energy of liquid and elastic potential energy of springs through the flowing damping characteristic of the fluid and elastic deformation of the springs. Another technological scheme of the invention provides the shuttle vehicle. The shuttle vehicle comprises a vehicle body, and the front side and the rear side of the vehicle body are each provided with a transversely-arranged bumper bar. The shuttle vehicle is characterized in that the front side and the rear side of the vehicle body are each provided with a spring hydraulic buffer protection device pair, and each spring hydraulic buffer protection device pair at least comprises two spring hydraulic buffer protection devices. According to the spring hydraulic buffer protection device and the shuttle vehicle, the problem that mechanical damage, electrical failure, cargo toppling and the like occur possiblydue to the fact that the shuttle vehicle is collided and impacted can be solved, and the spring hydraulic buffer protection device has the advantages of having the functions of early warning, inertiaimpact buffering, automatic smoothing and recovering and the like.

The invention discloses a hybrid drive heavy load lower limb exoskeleton based on an electro-hydrostatic actuation principle and a method. The exoskeleton comprises a waist assembly, hip joint assemblies, knee joint assemblies and ankle joint assemblies; the hip joint assemblies are fixedly mounted on the two sides of the waist assembly respectively; the knee joint assemblies are fixedly mounted below the two hip joint assemblies respectively; the ankle joint assemblies are fixedly installed below the two knee joint assemblies respectively. and an electro-hydrostatic actuator is arranged in each knee joint assembly and can drive the corresponding knee joint assembly to rotate around the axis of a knee joint. According to the heavy-load lower limb exoskeleton, hybrid drive is formed on the basis of combination of the electro-hydrostatic actuation principle and a traditional driving mode, and the heavy-load lower limb exoskeleton is high in energy utilization rate, small in inertial impact, high in power density, flexible, light and compact in structure and capable of being applied to heavy-load bearing advancing scenes such as military load bearing and fire rescue.