49results about How to "Avoid mechanical shock" patented technology

The invention relates to a method for producing pre-filled cemented needle syringes, comprising the steps of: fitting a device (D) for protecting the needle onto syringe bodies (2), the device comprising an external sleeve which can move along a longitudinal axis between a forward position in which it covers the needle, and a retracted position in which it does not cover the needle, means for returning the sleeve to the forward position, and a needle protector; arranging the syringe bodies (2), which are provided with the protective device, in recesses (O204) provided in a holder (200); placing the holder (200) in a container (100) for transport; removing the holder from the container; filling each syringe body with an active principle; inserting a plunger into each syringe; and removing the syringes (1) from their holder for the purpose of inspection and labelling.

The invention discloses a non-contact train operating system and an operating method thereof. The operating system comprises a traction substation, a catenary, a non-contact train and a rail which areelectrically connected in sequence. The rail is electrically connected with the traction substation through a return line to form a current loop. The non-contact train includes a control system and apantograph device, a monitoring device and an arc inspection device which are in communication with the control system. The control system is located inside the non-contact train. The pantograph device comprises a pantograph arm and a pantograph pan which are fixedly connected. The pantograph arm is arranged at the top end of the non-contact train, the pantograph pan is electrically connected with the catenary through the arc, and the monitoring device and the arc inspection device are both arranged at the connection of the pantograph pan and the catenary. The system solves the problems in the prior art of large mechanical impact and serious material wear between the pantograph device and the catenary and rapid decline of service performance of a pantograph-catenary current collection system.

The present invention discloses a double-direction double-speed positioning control method. At the beginning, equipment is arranged at the point A, and the equipment is required to be positioned at the point O. At the beginning, the equipment moves to the point B at high speed along the close direction and then is changed into low speed closing to move to the point C, the close output of the equipment is switched off, and the equipment keeps on moving under the inertia effect and stops moving at the point D. In the positioning control, the selection of four control parameters can influence the positioning precision and the total time required for positioning, so as to obtain the best value of four parameters. The present invention discloses the method for automatically identifying by the actual movement of the equipment; the present invention also discloses a self-adaptation method of the parameters; the present invention also discloses the control function of eliminating the mechanical gap and the measures for preventing the output from being switched frequently between high speed and low speed and between the low speed and the stop. The positioning control method disclosed by the present invention has the advantages of high positioning precision and fast positioning time.

The invention discloses a power-ceaseless gear transmission which relates to a transmission and aims at solving the problem that the conventional transmission can not bear large loads due to the interruption of gear shifting power. The power-ceaseless gear transmission comprises a clutch, a one-way wheel, a main driving gear mechanism and an assistant driving mechanism, wherein the main driving gear mechanism and the assistant driving gear mechanism have the same gear mechanisms; a first inner gear sliding sleeve on the main driving gear mechanism slides left and right and is matched with a first-gear main driving wheel and a second-gear main driving wheel which are adjacent; a second inner gear sliding sleeve on the main driving gear mechanism slides left and right and is matched with a third-gear main driving wheel and a fourth-gear main driving wheel which are adjacent; a third inner gear sliding sleeve on the assistant driving gear mechanism slides left and right and is matched with a first-gear assistant driving wheel and a second-gear assistant driving wheel which are adjacent; a fourth inner gear sliding sleeve on the assistant driving gear mechanism slides left and right and is matched with a third-gear assistant driving wheel and a fourth-gear assistant driving wheel which are adjacent; and the power transmission is realized by the clutch and the one-way wheel. The invention is suitable for various types of large and heavy type engineering machineries and transport tools.

The invention discloses a test piece guide-in mechanism of a ceramic material heating thermal shock test box. The test piece guide-in mechanism comprises a guide cylinder. A guide cylinder opening for placing a test piece is formed in the lateral side of the upper portion of the guide cylinder. A connecting lug for fixing the guide cylinder is disposed at the lower end of the guide cylinder opening. Two opposite rotary shaft supports are disposed on the lateral side below the connecting lug. A rotary shaft penetrates the two rotary shaft supports. Two ends of the rotary shaft extends out of the two rotary shaft supports. A retaining piece is mounted on the rotary shaft between the two rotary shaft supports. The retaining piece extends into the guide cylinder through a slot in the lateral wall of the guide cylinder. The rotary shaft extending end close to the connecting lug side is provided with a counter weight hanging rod. The suspension end of the counter weight hanging rod is provided with counter weight. The other extending end, opposite to the counter weight hanging rod, of the rotary shaft is provided with a shifting piece. A suspension wire is disposed at the top end of the guide cylinder. The test piece guide-in mechanism has the advantages that a normal-temperature cavity isolated from a heating furnace can be built, and the test piece is prevented from being radiated by high temperature; mechanical shock of the test piece is avoided, heating-resistance thermal shock performance tests can be performed on multiple test pieces at the same time, and high efficiency is achieved.

The invention discloses a friction welding phase control method which is used for solving the technical problem that the phase control accuracy obtained through an existing friction welding phase control method is poor. According to the technical scheme, the method includes the steps that the angular speed value and the angle value of a rotating-end workpiece are directly detected through a computer; in the phase locating control stage, the computer outputs the torque value according to the values and the change rules of the angular acceleration, the angular speed and the phase angle of the rotating-end workpiece; and the output current of a direct-current amplifier is flexibly adjusted, so that a direct-current motor is driven to rotate, the angular acceleration, the angular speed and the phase angle of the rotating-end workpiece are controlled, the angular acceleration of the rotating-end workpiece is free of sudden changes, the angular speed of the rotating-end workpiece is stably reduced to zero, the angle of the rotating-end workpiece reaches the set value, and therefore the purpose of accurate phase localization between the rotating-end workpiece and a moving-end workpiece is achieved. By the adoption of the method, mechanical impact, current impact and forcible torsion can be effectively overcome, and the phase control accuracy of an actual welding piece is improved.

The invention is applicable to the technical field of robot control and provides a robot control method, a robot control system and a robot. The robot control method comprises the steps that when movement instruction is received, the parameter value of the movement instruction is acquired, and calculation is conducted; the maximum torque value of all movement axes of the robot is acquired, the maximum torque value of each movement axis is compared with the preset maximum torque valve of each movement axis, and if a movement axis whose maximum torque value is larger than the preset maximum torque value, the movement axis is adopted as a target movement axis; and according to the preset maximum torque value of the target movement axis, the maximum accelerated speed value and the maximum decelerated speed value of the target movement axis are calculated, speed planning is conducted on the robot according to the maximum accelerated speed value and the maximum decelerated speed value of thetarget movement axis, and a first speed planning result is acquired and output so that the accelerated speed value of the robot can be adjusted. By means of the robot control method, the movement state of the robot can be detected and judged in real time, speed planning and adjustment of the accelerated speed value are conducted on the robot, and loss of the robot is lowered.

A vacuum Roots pump group and the controlling method thereof. The said group comprises Roots pump, rotary-vane machinical pump, A.C. contactor, over-current protector and frequency transformer. The frequency transformer is connected with and controls the motor of Roots pump. The method of controlling the vacuum Roots pump is using transformer to control the Roots pump motor. The time needed for transformer front start to outputting normal work frequency is equal to the minimum time X(1 minus or plus 50%) degree of the vacuum system connected to Roots pump from the atmosphere to 10a. The method and device of the invention drive the Roots pump to start slowly, thus prevents from the machinery impact and interfere to the inner parts and power network.

The invention discloses an electronic instrument capable of being mounted conveniently, which comprises a mounting base and a telescopic mechanism. The edges of the mounting base are provided with mounting holes. The upper part of the mounting base is horizontally provided with a first guiding groove. The lower part of the first guiding groove is provided with a second guiding groove in parallel to the first guiding groove. The outer side of the second guiding groove is provided with the instrument body. The outer side of the instrument body is provided with a mounting protrusion. The sliding device is arranged inside the mounting base. The mounting protrusion is fixedly connected with the sliding device through screw nuts. According to the invention, it is possible to prevent the mechanical vibrations to the instrument body when the instrument is mounted directly onto a wall body, therefore, effectively protecting the instrument. In addition, with the sliding device, the distance between the mounting holes can be adjusted flexibly, which avoids the errors caused in onsite hole making, increases the mounting precision and facilitates the mounting.

The present invention provides a metal mixer event band-type brake limit control device. The device comprises a contact KM1, a UPS, an operation handle SGS1, an emergency stop switch SE1 and a metal mixer master controller. The metal mixer master controller comprises a metal mixer front limitation position SQ1A, a metal mixer inclination position SQ1B, a metal mixer original position SQ1E and a metal mixer rear limitation position SQ1F. The UPS is configured to supply power for a band-type brake and allow the limitation position of the master controller to connect in series with the band-typebrake control loop. When the metal mixer is suddenly lost in power in the inclination process, the UPS supplies power to the band-type brake, the band-type brake is opened through remote operation toallow the metal mixer to perform automatic return. When the metal mixer is returned to an initial original position, the limitation motion is performed, the band-type brake is locked, and the metal mixer generating mechanical shock is avoided.

The invention provides a preparation device and method for a porous low-melting-point metal exoskeleton. The preparation device for the porous low-melting-point metal exoskeleton comprises a shell, a foaming device and a gas generation device, wherein the foaming device and the gas generation device are located inside the shell, and the foaming device comprises a foaming cavity, an electrode plate and a low-melting-point metal and foaming agent mixture. The preparation device provided by the invention can combine the unique physical and chemical properties of low-melting-point metal and the mechanical property advantages of light weight and high strength of a porous structure, and can be effectively used for medical mechanical exoskeletons.

The invention relates to a grounding switch switch-off buffering device comprising a mounting base and a buffering portion, wherein the buffering portion is an assembled multi-stage buffer body. The multi-stage buffer body includes at least two horizontal buffer portions and a vertical buffer portion. The horizontal buffer portions are successively mounted on the vertical buffer portion from top to bottom, and are a rubber buffer structures. The vertical buffer portion is a spring buffer structure. The grounding switch switch-off buffering device uses the assembled structure, and can reduce and increase the assemblies according to actual needs in order to form products with different buffering requirements. The buffering portion of the present invention is the multi-stage buffer body, thatis, a combination of a rubber cushion buffer and a spring buffer. The rubber cushion can reduce the metal bump between the contact portion of the buffering device and the grounding knife switch of agrounding switch. The switch-off inertia of the grounding switch can be effectively buffered by compressing the spring buffer. The multi-stage buffer body is configured to reduce the switch-off inertia of the grounding switch, avoids the mechanical vibration caused by the switch-off inertia, and enhances the switch-on / switch-off stability and reliability of the grounding switch in operation.

The invention provides a method and a system for controlling double door locks. The method includes: detecting whether or not a first door lock and a second door lock are locked synchronously within a preset first time interval when the situation that the first door lock is at a secondary lock position is detected; when the situation that the first door lock and the second door lock are at the secondary lock position simultaneously is detected, respectively controlling the first door lock and the second door lock to move to a primary lock position from the secondary lock position according to a determined PWM (pulse-width modulation) duty ratio; judging whether or not the first door lock and the second door lock are at the primary position simultaneously within a preset second time interval; when the first door lock and the second door lock fail to be at the primary lock position simultaneously, controlling the first door lock and the second door lock to stop locking, so that damage to a rear door and a body of an automobile due to asynchronous locking of the double door locks and excessively high locking motor voltage can be reduced.

The invention relates to a gravity type capable-of-combining rail type wheel axle stereoscopic warehouse which comprises 1-50 layers of wheel axle supports and a plurality of wheel axle storage positions evenly distributed on the wheel axle supports. Each layer of wheel axle support comprises two rail type wheel axle support long cross beams which are placed in parallel and are provided with gradients along the length direction relative to a horizontal plane, wheel axle outlet fixing type stopping blocks arranged at one ends of the rail type wheel axle support long cross beams, and the plurality of wheel axle storage positions distributed on the rail type wheel axle support long cross beams. One wheel axle is stored in each of the plurality of wheel axle storage positions. A warehouse-in side wheel axle stopping block is arranged at one end of each wheel axle storage position, a warehouse-out side wheel axle stopping block is arranged at the other end of the each wheel axle storage position, and a goods allocation center stopping block is arranged at the center of each wheel axle storage position. Each wheel axle outlet fixing type stopping block and each warehouse-out side wheel axle stopping block have the same direction. A wheel axle is arranged between each warehouse-in side wheel axle stopping block and each warehouse-out side wheel axle stopping block. Two adjacent layers of wheel axle supports are connected through a between-layer support perpendicular to the long cross beams. The gravity type capable-of-combining rail type wheel axle stereoscopic warehouse is convenient to use, low in cost and suitable for various fields.

The invention relates to a temperature tester based on a film type temperature sensor and a manufacturing method, comprising: a cylinder outer protection tube, wherein a first space and a second space are formed by concaving inwards on the upper part and the lower part along the length direction and connected together through a via hole; a film type temperature sensor, arranged in the inner of the outer protection tube through the first space, the second space and the via hole; and fillings, filled in the first space and the second space of the outer protection tube, to fix the film type temperature sensor in the inner of a first protection tube and a second protection tube to become an integer. According to the invention, the film type temperature sensor in the space of the outer protection tube is processed by the filled fillings or ceramic paste based on the temperature tester of the film type temperature sensor, and the pins of the sensor and the wire connecting parts can be fixedstably. Outer connecting metal wires at the lower space are fixed stably through the fillings, therefore, outer mechanical impact is effectively prevented to the film type temperature sensor through the outer connecting metal wires at the lower part.

The invention in particular relates to an enamel coating (7) for coating a metal surface (5) of an article (3). For obtaining a surface roughness suitable for adequately bonding further coating layers (8) requiring mechanical bonding interactions, the enamel coating (7) comprises a mixture of a catalytic enamel and at least one of a normal enamel and pyrolytic enamel.

The invention discloses a PCB plate drilling machine vibration-proof position inductor comprising a drilling machine main shaft and a main shaft support seat, a drilling machine chip suction shield, an induction unit arranged between the main shaft support seat and the drilling machine chip suction shield; the induction unit comprises a sensor fixed on the main shaft support seat, an induction seat fixed on the drilling machine chip suction shield, and an induction part with one end connected with the induction seat; a damper is arranged between the induction part and the induction seat, thus preventing machinery shock generated in high speed running process of the equipment, reducing induction part vibration, and ensuring boring efficiency of the equipment.

The invention in particular relates to an enamel coating (7) for coating a metal surface (5) of an article (3). For obtaining a surface roughness suitable for adequately bonding further coating layers (8) requiring mechanical bonding interactions, the enamel coating (7) comprises a mixture of a catalytic enamel and at least one of a normal enamel and pyrolytic enamel.

The invention discloses a material moving mechanism applied to an automatic assembly line, and relates to the technical field of automatic equipment. Comprising an automatic assembly line, the automatic assembly line comprises an inclined plate and a workpiece, the automatic assembly line is provided with a material moving mechanism, the material moving mechanism is located at one end of the inclined plate, and the material moving mechanism and the inclined plate are matched to achieve movement of the workpiece from top to bottom; the other end of the connecting ejector rod is hinged to the middle of the back of the movable plate. A workpiece moves downwards from the inclined plate to the movable plate, the workpiece is converted into a horizontal state from an inclined state in the downward moving process under the action of the material moving mechanism, the workpiece stably moves from top to bottom, and mechanical impact on the workpiece is avoided.

The invention discloses an annular magnetic rod hydraulic displacement transmission device for a solar tracking system. The annular magnetic rod hydraulic displacement transmission device comprises magnetic rods, hydraulic transmission mechanisms and a rotary displacement mechanism, wherein the magnetic rods comprise in-pipe magnetic rods arranged inside separation pipes and out-pipe magnetic rodsarranged outside the separation pipes, and the magnetic rods are used for transmitting the movement of the liquid inside the separation pipes to the out-pipe magnetic rods through the in-pipe magnetic rods so as to realize air separation transmission; each hydraulic transmission mechanism comprises a hydraulic oil way, hydraulic oil, one separation pipe and a transmission rod, the hydraulic oil ways are connected with the separation pipes, and the hydraulic transmission mechanisms push the in-pipe magnetic rods through the hydraulic oil to drive the out-pipe magnetic rods to move, and meanwhile, the out-pipe magnetic rods drive a solar energy collecting plate for collecting solar energy on the rotary displacement mechanism through the transmission rods to realize rotary displacement; andthe rotary displacement mechanism comprises a rotary transmission shaft and a fixed bearing column. The annular magnetic rod hydraulic displacement transmission device for the solar tracking system adopts a non-contact transmission mode, and uses the mutual attraction or mutual repulsion effect of magnetic force to achieve non-contact transmission of hydraulic force.

The invention discloses a large-range laser scanning device based on high-density echo analysis and a control system thereof, and belongs to the technical field of control engineering and control systems. According to the laser scanning device, through the arrangement of a first rotating device, a second rotating device and a third rotating device, the circumferential rotation of a reflecting mirror in the horizontal direction and the vertical direction is achieved under the condition that the reflecting mirror rotates, and the multi-angle and multi-direction three-dimensional laser scanning with the scanning device as the center can be formed. Meanwhile, a damping structure is designed on the mechanical structure, so that mechanical vibration caused by high-speed rotation can be effectively avoided, the service life is prolonged, and the detection precision is improved. The laser scanning device provided by the invention can be mounted on a mobile carrier and is used for detecting obstacles on a driving route. The invention further provides a control system for motion control of the laser scanning device, and an algorithm for calculating the track and the sight line of the carrier is designed to help an upper computer system to make a decision command.

The invention provides a method and a system for controlling double door locks. The method includes: detecting whether or not a first door lock and a second door lock are locked synchronously within a preset first time interval when the situation that the first door lock is at a secondary lock position is detected; when the situation that the first door lock and the second door lock are at the secondary lock position simultaneously is detected, respectively controlling the first door lock and the second door lock to move to a primary lock position from the secondary lock position according to a determined PWM (pulse-width modulation) duty ratio; judging whether or not the first door lock and the second door lock are at the primary position simultaneously within a preset second time interval; when the first door lock and the second door lock fail to be at the primary lock position simultaneously, controlling the first door lock and the second door lock to stop locking, so that damage to a rear door and a body of an automobile due to asynchronous locking of the double door locks and excessively high locking motor voltage can be reduced.

The invention relates to a gravity type capable-of-combining rail type wheel axle stereoscopic warehouse which comprises 1-50 layers of wheel axle supports and a plurality of wheel axle storage positions evenly distributed on the wheel axle supports. Each layer of wheel axle support comprises two rail type wheel axle support long cross beams which are placed in parallel and are provided with gradients along the length direction relative to a horizontal plane, wheel axle outlet fixing type stopping blocks arranged at one ends of the rail type wheel axle support long cross beams, and the plurality of wheel axle storage positions distributed on the rail type wheel axle support long cross beams. One wheel axle is stored in each of the plurality of wheel axle storage positions. A warehouse-in side wheel axle stopping block is arranged at one end of each wheel axle storage position, a warehouse-out side wheel axle stopping block is arranged at the other end of the each wheel axle storage position, and a goods allocation center stopping block is arranged at the center of each wheel axle storage position. Each wheel axle outlet fixing type stopping block and each warehouse-out side wheel axle stopping block have the same direction. A wheel axle is arranged between each warehouse-in side wheel axle stopping block and each warehouse-out side wheel axle stopping block. Two adjacent layers of wheel axle supports are connected through a between-layer support perpendicular to the long cross beams. The gravity type capable-of-combining rail type wheel axle stereoscopic warehouse is convenient to use, low in cost and suitable for various fields.

The invention discloses an upper buckle positioning device, comprising a plate body. The inner of the plate body is provided with a through stamping hole from the top to the bottom, the middle part of the stamping hole is horizontally provided with an upper buckle groove in communication, the upper buckle groove is opened on one side of the plate body, and a permanent magnet is embedded adjacent to the stamping hole in the plate body. The device of the invention has simple structure and convenient use. Due to that the upper buckle is supported and positioned by the magnetic force without the direct using of solid support component, a stamping vertical bar can press the upper buckle down without the direct stamping on the upper buckle positioning device when stamping, thereby avoiding the mechanical shock when stamping the upper buckle positioning device and achieving more stable operation of the dotter. Meanwhile, the upper buckle positioning device can not be damaged due to the bearing of the impacting force, thereby prolonging the service life of the device greatly, saving the work load for changing the upper buckle positioning device as well as reducing the use cost.

The present invention is applicable to the technical field of robot control, and provides a robot control method, system and robot, including: when a motion command is received, the parameter value of the motion command is obtained and calculated, and the maximum torque value of all motion axes of the robot is obtained, compared The maximum torque value of each motion axis and the preset maximum torque value of each motion axis. If there is a motion axis whose maximum torque value is greater than the preset maximum torque value, the motion axis is used as the target motion axis; according to the target motion axis The preset maximum torque value, calculate the maximum acceleration value and maximum deceleration value of the target motion axis, plan the speed of the robot according to the maximum acceleration and maximum deceleration values ​​of the target motion axis, obtain the first speed planning result and output it, so as to The acceleration value of the robot is adjusted. The invention can detect and judge the motion state of the robot in real time, plan the speed of the robot, adjust the acceleration value, and reduce the loss of the robot.

The invention discloses an energy-saving pumping unit which aims at solving the problems that a beam-pumping unit in the prior art is large in power consumption, low in pumping efficiency and large in oil field capital investment. The energy-saving pumping unit comprises an installation platform and a truss and further comprises a guide wheel installation rack, a roller installation rack, a roller, a coupler with a brake, a motor assembly, a motor installation rack, a beam hanger, a connecting hinge, a balance weight guide component, a pumping rod, two first ropes, two second ropes and two guide wheel assemblies. The two guide wheel assemblies are installed on the guide wheel installation rack, the roller is installed on the roller installation rack, the motor assembly is installed on the motor installation rack, the roller installation rack and the motor assembly are both arranged on the installation platform, the guide wheel installation rack is installed on the installation platform, the roller is connected with the motor assembly through the coupler with the brake, and the installation platform is installed at the top end of the truss. The energy-saving pumping unit is used in the pumping field.

The invention discloses a robot and a door body control system and a door body control method thereof. The door body control system comprises a first detection part, a second detection part and a control part, wherein the first detection part is used for detecting whether a door body enters a completely-opened state or not in the door body opening process; the second detection part is used for detecting whether the door body enters a completely closed state or not in the door body closing process; the control part is connected with the first detection part and the second detection part and is used for controlling the door body to stop moving after the first detection part is triggered and controlling the door body to stop moving after the second detection part is triggered; the driver is connected with the control part and is used for driving the door body to rotate; and the transmission mechanism is arranged between the driver and the door body and is used for driving the door body to rotate. According to the door body control system, the speed of the door body can be controlled when the door body enters the completely-opened state and the completely-closed state, so that mechanical impact can be prevented when the door body is completely opened and completely closed, and the service life of the door body can be prolonged.