257results about How to "Reduce the impact of vibration" patented technology

The invention relates to an apparatus for measuring parallel of laser beam, which adopts the tested light beam, diaphragm, a convergence lens, a semi-transmitting reflector, two column lenses, two four-quadrant detectors and a computer to form the measuring apparatus; it also adopts a convergence lens a semi-transmitting reflector, two column lenses, two four-quadrant detectors to form light beam parallel detector; it does light beam parallel detecting based on image diffusion focusing error detecting. It adopts differential method to eliminate the detecting error from the incidence light off-axis. It can own any sensitivity and linear range by designing the optical system; especially be suit for detecting the light caliber with high quality, and the laser beam with small diffusing angle and rotational symmetry.

The invention provides a laser round-cutting machine. The laser round-cutting machine comprises a bottom box; a supporting platform is fixedly connected to the middle position of an inner cavity of the bottom box; a bidirectional motor is fixedly connected to the top of the supporting platform; first bevel gears are fixedly connected to the two sides of the bidirectional motor through couplings; second bevel gears are in engaged transmission with the surfaces of the first bevel gears; first threaded rods are fixedly connected to the sides, away from the first bevel gears, of the second bevel gears; a round cutting box is fixedly connected to the top of the bottom box; an object loading platform is arranged in the middle position of the top of the bottom box; flat plates are in threaded connection with the ends, away from the second bevel gears, of the first threaded rods; and clamping devices are fixedly connected to the top of the flat plates. The invention relates to the technical field of machinery. The current situations that an existing round cutting device is not ideal, low in efficiency, small in machining range and small in machining thickness, and safety problems are easyto occur during the machining process are solved; and data are set, so that fully-automatic operation of the round-cutting machine is achieved, manual operation during the whole process is not required, and personal safety is protected.

The invention aims at providing a three-freedom-degree hydraulic drive heavy load stabilizing platform, which consists of parts including a transverse rocking mechanism, a transmission mechanism, a longitudinal rocking mechanism, a transverse rocking servo drive executing mechanism, a yawing mechanism, a base, a yawing servo drive executing mechanism, a longitudinal rocking servo drive executing mechanism, a hydraulic support shock absorption mechanism, a stabilizing platform deck and the like. An optical fiber gyro is used as an inertia measurement device for measuring transverse rocking, longitudinal rocking and yawing information of a carrier, so that the transverse rocking servo drive executing mechanism, the longitudinal rocking servo drive executing mechanism and the yawing servo drive executing mechanism are controlled; and the compensation on the disturbance received by the stabilizing platform in the transverse rocking, longitudinal rocking and yawing directions is realized, so that the stabilizing platform deck is always in a horizontal stable state. The three-freedom-degree hydraulic drive heavy load stabilizing platform has the advantages that the compensation on the interference received by a boat in the transverse rocking, longitudinal rocking and vertical swinging directions is realized, and the relatively still state is always maintained.

The invention discloses an unmanned aerial vehicle flight controller attitude calculation and control method. The attitude calculation method includes a first attitude matrix obtained by fusing an accelerometer with a magnetometer, a second attitude matrix obtained by fusing a gyroscope and a third attitude matrix of the previous control period, and a third attitude matrix including high-precision attitude information obtained by fusing the first attitude matrix and the second attitude matrix. The attitude control method takes the attitude space vector as the control object, obtains the control quantity of each motor according to the third attitude matrix, and realizes the attitude control of the unmanned aerial vehicle. The attitude calculation and control method can be applied to the control of all the attitudes of the unmanned aerial vehicle, and is high in real-timeness and stable in attitude calculation and control.

The invention discloses a glass thickness deviation detector. A column is provided with a work panel, the work panel is provided with a control panel, the control panel is provided with a fixed plate, the fixed plate is provided with a fixed support, the fixed support is provided with a detection contact device, and one end of the detection contact device is provided with a contact head; the work panel is fixedly connected with a support frame, the bottom of the support frame is provided with a positioning device, the positioning device supports a driver, the driver is provided with a rotating shaft, the work panel is further provided with a displacement adjusting device, and the displacement adjusting device is connected with a cross bar in a sliding manner; and one end of the rotating shaft is fixedly connected with a rotating disk, and the rotating disk is provided with a clamping piece. The rotating disk rotates to obtain thickness data of the same glass in different positions, the average thickness is defined as the glass thickness, the glass thickness is compared with the standard thickness of glass, unqualified finished glass is removed, the detection efficiency is improved, and the precision of glass thickness deviation detection is improved.

The invention provides an outer cavity type electrooptically tuned laser device, wherein an adopted electrooptically tuned filter adopts a liquid crystal Fabry-Perot cavity with very short cavity length and can ensure that only one mode of the fixed Fabry-Perot cavity of the filter is selected within one period interval, a broadband film is used for filtering periodic multiple waves generated by the fixed Fabry-Perot cavity and only reflecting wavelength of one peak to an optical resonant cavity, then one peak of a longitudinal mode of the optical resonant cavity can be adjusted to a main peak of the electrooptically tuned filter through an electrooptically tuned liquid crystal phase compensator, then single mold output of laser can be ensured, and the stability and reliability of the output of the laser can be improved.

The present invention provides an automatic feeder device for lathe. Said automatic feeder device is placed by workpiece holder of lathe, and includes the following several portions: material-supporting pipe placed on the machine frame, material-feeding cylinder placed at one side of said material-supporting pipe, slide plate fixedly connected on said material-feeding cylinder and can be axially moved along the material-supporting pipe and two material-feeding devices through which the rod material can be passed are placed on the machine frame. Said two material-feeding devices include one mobile material-feeding device and one fixed material-feeding device. Its operation is convenient, stable and reliable.

The invention provides a device for preventing object inversion and vibration based on axial rotation and relates to the field of object packaging protection. The device is mainly used for preventing object inversion and vibration in the transportation process and also used for decorative packaging. The invention provides an anti-inversion device which comprises an outer protective support unit, a stabilizer and an internal holder. The outer protective support unit is composed of one or more frames or modified from a box, and functions in supporting and protecting. The stabilizer is composed of two or more rotating frames which are orderly arranged inside, wherein adjacent rotating shafts are perpendicular to each other; the action of the external force on an object under the action of gravity is weakened in an oscillating manner by use of two to three superposed axial rotational degrees of freedom, and finally, the object is kept upright. The rotating shaft frame is provided with two axes of symmetry perpendicular to each other, and convex rotating shafts and through holes are distributed symmetrically. The holder is fixedly mounted in the internal rotating shaft frame in a pin hole connection manner; the holder and the internal rotating shaft frame can be of various simplified structures, or can be injection-molded integrally.

The invention provides an anti-seismic cable bridge which comprises a cable placing frame, a bottom end fixing plate and two upper end fixing seats. A buffer adjusting plate is arranged on the bottom end fixing plate, a bottom end anti-seismic mechanism is arranged between the buffer adjusting plate and the bottom end fixing plate, and the cable placing frame is slidably installed on the upper end face of the buffer adjusting plate. Fixing shaft bodies are arranged between the two upper end fixing seats and the bottom end fixing plate, a multi-stage anti-seismic mechanism is arranged between the fixing shaft bodies and the side wall of the cable placement frame, the multi-stage anti-seismic mechanism comprises two rod sleeves, and the two rod sleeves are slidably installed on the outer side walls of the two fixing shaft bodies correspondingly; the side walls of the two rod sleeves are both provided with two damping sleeves fixedly connected with the rod sleeves, the inner side walls of the two damping sleeves are both provided with buffer shaft bodies slidably connected with the inner side walls of the damping sleeves, the cable bridge is simple in structure, the adverse effect on the whole cable bridge when vibration is generated can be effectively reduced, and therefore the safety of the whole bridge is improved.

The invention relates to the field of robots, in particular to an autonomous mobile cruise and control robot. The robot comprises a driving device, a panoramic stereoscopic camera shooting tripod head, an environment detection device mounting base, a remote operation controller and two mounting platforms, wherein the two mounting platforms are arranged above the two ends of the length direction ofthe driving device through first damping buffering mechanisms correspondingly, the two first damping buffering mechanisms are arranged at the two ends in the length direction of the driving device correspondingly, the top of each first damping buffering mechanism is hinged to the corresponding mounting platform, the panoramic stereoscopic camera shooting tripod head and the environment detectiondevice mounting base are arranged on the two mounting platforms correspondingly through second damping buffering mechanisms, each second damping buffering mechanism is fixedly arranged at the upper end of the corresponding mounting platform, and the remote operation controller controls the driving device and the panoramic stereoscopic camera shooting tripod head. According to the robot, people canbe replaced for exploration detection and MR stereoscopic video acquisition, and people with a head-mounted MR display helmet can observe a scene shot by the robot at a long distance, and the MR is driven through the head action to adjust the shooting direction of the robot.

The invention discloses an automatic early warning and monitoring device system for urban road underground collapse, and belongs to a road geological disaster monitoring technology. According to the technical scheme, the system is characterized by comprising an underground early warning device and an overground early warning information receiver; a signal transmission module, a displacement sensor, a power supply and a power switch are fixedly connected to the side wall of the cavity in the body and are connected in series through wires; a horizontal transverse shaft is arranged in the sealedcavity, the two ends of the transverse shaft are rotationally connected with the inner wall of the cavity through bearings, and a displacement line is wound on the transverse shaft; a containing groove is formed in the lower end of the body, a falling body is arranged in the containing groove, one end of the displacement line is connected with the power switch, the other end of the displacement line enters the containing groove to be fixedly connected with the falling body, and the displacement sensor is close to the displacement line. The problem that the conventional monitoring technology isnot suitable for directly monitoring the underground collapse of the urban road is solved, and the effect of early warning before the pavement collapse is formed is achieved.

An electromagnetic anti-vibration apparatus comprises an anti-vibration apparatus platform, a vibrating base, a spring, an electromagnetic coil, a displacement sensor and a control circuit board. The size of electromagnetic force can be controlled according to the size of elasticity of the spring, and vibrating influence of a vehicle is further relieved.

The invention discloses a chemical filter press provided with a damping device. The filter press comprises a base, a support seat, a hydraulic cylinder 3, a cylinder body, a filter barrel, a press plate, air cylinders, filter plates, filter holes, a plug and a water pipe, wherein the support seat is located at the top of the base, the support seat is in threaded connection with the base, the hydraulic cylinder is located at the top of the support seat and is in threaded connection with the support seat, the cylinder body is located at the top of the base and is in threaded connection with the base, the filter barrel is located at the bottom end in the cylinder body and in threaded connection with the cylinder body, and the press plate is located at the bottom end of the hydraulic cylinder. The chemical filter press provided with the damping device is simple in structure and has powerful functions, manual operation is replaced, the workload is reduced, solid-liquid separation is realized, liquids are directly discharged together with pressed materials, and manual material discharge is replaced, so that the working efficiency is improved; besides, the damping effect is good, the positioning effect is good, the work stability of a cutting machine is improved, and noise caused by vibration is effectively reduced.

The invention discloses a hook mechanism for an automatic vehicle connecting device. The hook mechanism comprises a connecting nut and a shell. The connecting end of the connecting nut is horizontally hinged and inserted into a connecting base on a working position apparatus vehicle. An involute groove is formed in the connecting base. The connecting end of the connecting nut is provided with a telescopic vibration roller which is supported in the involute groove in a rolling mode, the butting end of the shell is provided with an inner guide conical face matched with the abutting end of the connecting nut, and a connecting screw rod matched with the connecting nut and a first driving assembly used for driving the connecting screw rod to rotate are arranged in the shell. The first driving assembly is electrically connected with a control system. An output shaft of the first driving assembly is movably inserted into the connecting end of the connecting screw rod in the axial direction in a circumferential limiting mode, and the abutting end of the connecting screw rod faces the abutting end of the connecting nut. The hook mechanism is applicable to vehicle connection.

The invention discloses a breathing self-adaptive portable oxygen generator. The oxygen generator comprises a device shell and a support plate arranged at the bottom of the device shell; caster wheelsare arranged at corner positions of the bottom of the support plate; a damping mechanism is arranged between each caster wheel and the support plate; a handle is arranged at the top of the device shell; and an oxygen generator main body, an oxygen temporary storage box and an oxygen leading-out cylinder are fixedly arranged in the device shell from bottom to top in sequence. The device has the advantages that the structure is simple, the design is ingenious, the oxygen inhalation amount during breathing can be accurately controlled to prevent the phenomenon of excessive oxygen inhalation, self-adaptive and more accurate control of the oxygen inhalation amount of people can be ensured, and safety is high. Through arrangement of elastic cross cranks and elastic damping pieces, the effects of damping, energy absorbing, energy releasing and energy dissipating can be achieved, so that influence of excessive vibration on the whole device in a moving process can be reduced, and the service life of the whole device can be guaranteed.

The invention discloses a method to replace soft soil stone fill with medicine limited directional explosion, which is characterized by the following: adopting built-in method; processing explosive materials not more than 12 kg to pen shaped charge; imbedding dip under soil with boring tool; igniting the charge orderly; forming mud-rock flow with rock rip-rap body; sliding to stone shaped state of blasting design; cycling; forming stone body state of design engineering. This invention is simple, safe and easy, which can decreases the influence of the shock after explosion.

The invention discloses a dust-free concrete aggregate batching device.The dust-free concrete aggregate batching device comprises a fixed base and an aggregate storage tank arranged over the fixed base, the fixed base is provided with a weighing device located under the aggregate storage tank, and an aggregate receiving box is arranged over the weighing device; the top of the aggregate receiving box is provided with an aggregate receiving pipe pointing to the aggregate storage tank, the bottom of the aggregate storage tank is provided with a discharge pipe extending into the aggregate receiving pipe, and a dustproof ring is arranged between the outer circle of the discharge pipe and the inner wall of the aggregate receiving pipe.According to the dust-free concrete aggregate batching device, the dustproof ring can prevent dust from being generated at the joint of the discharge pipe and the aggregate receiving pipe and reduce the vibration influence of the discharge pipe on the aggregate receiving pipe, the working precision of the weighing device is improved, the device is beneficial for improving the concrete quality, operation is convenient, and use is flexible.

The invention discloses a highly automated fly ash curing device. The highly automated fly ash curing device comprises a bottom plate, a quantitative discharging structure, a chelating agent mixing structure, a chelating structure, a curing structure and an unloading structure. A supporting table is arranged on the left side of the upper surface of the bottom plate, brackets are symmetrically arranged left and right in the middle of the upper surface of the bottom plate, the inner arc-shaped walls of the brackets are fixedly connected to an outer arc-shaped surface of a chelating barrel, L-shaped plates are symmetrically arranged front and back on the right side of the upper surface of the bottom plate, a metering water pump is arranged on the left side of the upper surface of the bottom plate, a water outlet in the right side surface of the metering water pump communicates to a water inlet in the lower end of the left side surface of the chelating barrel through a pipeline, and a conveying pipe is arranged at a discharge position at the lower end of the right side surface of the chelating barrel. The highly automated fly ash curing device can control the discharging amount of materials and further can overturn and chelate the internal materials, so that fly ash is cured to cement and the materials can be air-dried and cured quickly. Influence caused by vibration when equipmentoperates can be further reduced, and the stability of an integral structure is protected.