25results about How to "Vibration isolation" patented technology

The invention provides a pneumatic grinding end effector with a spindle vibration isolation function and a control method, the pneumatic grinding end effector comprises a supporting assembly, the supporting assembly comprises an upper bottom plate and a lower bottom plate, a connecting flange is mounted on the upper bottom plate, and the connecting flange is used for being connected with a robot; the propelling assembly is connected with the upper bottom plate and the lower bottom plate, and the propelling assembly is used for adjusting the distance between the upper bottom plate and the lower bottom plate; the grinding assembly comprises a pneumatic motor and a grinding tool, and the pneumatic motor is installed on the lower bottom plate and used for driving the grinding tool; and the vibration isolation assembly comprises a vibration isolation frame and a plurality of photonic crystal unit cells installed on the vibration isolation frame, the vibration isolation frame is connected with an output shaft of the pneumatic motor and the grinding tool, and the multiple photonic crystal unit cells are arranged around the peripheral side of the vibration isolation frame. According to the pneumatic grinding end effector, the influence of vibration of the main shaft on the grinding quality in the grinding process of the end effector is effectively solved.

The invention discloses a mine heavy truck weighing charging gate which comprises a rack, a mounting frame is horizontally arranged on the rack, a stock bin is arranged above the mounting frame, a metering discharging mechanism is slidably connected to the mounting frame, the metering discharging mechanism further comprises a metering tank slidably connected with the mounting frame, a weighing inner shell is arranged in the metering tank, and the weighing inner shell is arranged in the metering tank. The weighing inner shell is used for bearing materials; the weighing inner shell abuts against a weighing sensor fixed to the metering tank through a force transmission component, and a gap is reserved between the weighing inner shell and the inner wall of the metering tank. The metering discharging mechanism further comprises a dustproof assembly which slides synchronously with the metering tank, a discharging mechanism is arranged between the metering tank and the stock bin, and the discharging mechanism is used for guiding materials from the stock bin to the metering tank. The weighing function module, the discharging function module and the dust removal function module are integrated on the metering discharging mechanism capable of transversely sliding, and uniform material distribution and metering loading are achieved.

The utility model discloses an adjustable agricultural product freezer, including the body of a library, the body of a library sets up the upside of base, the inside of body of a library is equipped with the baffle, the baffle will body of a library divide into three cabins, and is equipped with corresponding sensor in each cabin, the cabin of middle is connected with refrigeration equipment, and is equipped with the sealed door in the front side of each cabin, and is equipped with handle in the front side of sealed door, the utility model can close the air -conditioning supply of idle sub cabin, avoid the waste of cold quantity, reduce operation energy consumption greatly, fan forced circulation air -conditioning, shorten the time of reaching the set temperature of two sides sub cabin, improve the efficiency, the compound damping mechanism effectively insulates the external vibration (such as removal, uneven ground, nearby equipment operation), protect the body of a library structure, reduce the damage of inside article because of vibration (especially to the tender agricultural product), prolong the life of equipment.

This invention relates to the field of metal ore crushing technology, specifically disclosing a metal ore pretreatment device and system, comprising: a movable jaw component and a pushing mechanism. The movable jaw component includes a support part, a movable jaw plate, and a locking part. The support part and the locking part are both connected to a moving part. The movable jaw plate is slidably connected between the support part and the locking part. The moving part can drive the movable jaw plate to reciprocate and swing, cooperating with a fixed jaw plate to crush the metal ore. The pushing mechanism includes a second drive source, a transmission component, and a pushing component. The second drive source is connected to a frame. The pushing component is mounted on the moving part. The transmission component is connected between the second drive source and the pushing component. The pushing component is connected to the movable jaw plate. The second drive source drives the transmission component, so that the transmission component drives the pushing component to run, thereby driving the movable jaw plate to reciprocate laterally. The metal ore pretreatment device and system of this invention generates shearing force on the metal ore through the reciprocating lateral movement of the movable jaw plate, further crushing the metal ore.

The invention belongs to the technical field of batteries, and particularly relates to a frame type battery box body with good sealing performance and an assembling method thereof, the assembling method comprises two steps of obtaining parts of the frame type battery box body and assembling the frame type battery box body, and the frame type battery box body assembled by the method has good sealing performance on the aspect of structural design. And through the reasonable layout and connection mode of the supporting plate and the bottom protection plate, the overall stability and impact resistance of the box body are effectively enhanced. In the aspect of sealing performance, the first sealing piece and related bolt connection between the bottom protection plate and the frame, the riveting and bolt connection between the supporting plate and the frame and the bottom protection plate, and the sealing pieces are matched, so that the waterproof, dustproof, sound insulation and vibration isolation effects are greatly improved, external water vapor, dust and other impurities are effectively prevented from entering, the risks of battery short circuit, corrosion, poor heat dissipation and the like are reduced, and the service life is prolonged. Safe and stable operation of the battery is ensured.

The utility model relates to vehicle-mounted hydrogen supply technical field especially a kind of stacked vehicle-mounted hydrogen system frame, including base, the top of the base is equipped with shock-absorbing component by bolt, the top of shock-absorbing component is equipped with support frame by bolt, the number of support frame is several, the front and back sides of support frame are all welded with positioning insert shell, the four corners of support frame inner chamber are all fixedly installed with limit seat, hydrogen storage bottle is installed between upper and lower limit seat, the bottom of top cover plate outer surface is welded with protective screen cover.Vibration makes elastic damping body and rubber damping pad occur elastic deformation, convert most high-frequency vibration energy into heat energy consumption, after attenuation, smooth force is transmitted to the support frame of hydrogen system by inner lining plate, effectively isolate the vibration and impact transmitted in vehicle driving, substantially reduce the dynamic load borne by entire hydrogen system, significantly improve the reliability and security of system.

This utility model discloses a respirator with a self-cooling function, belonging to the technical field of respiratory protection equipment. It aims to solve the problem of existing respirators causing discomfort and safety risks due to increased internal temperature caused by user respiration during use. It includes: a protective shield body; a liquid reservoir at the top of the protective shield body containing coolant, employing an elastic bladder structure; a circulation pipe horizontally disposed on the outside of the protective shield body, connected to both ends of the liquid reservoir via a first pipe and a second pipe; and a driving mechanism including a micro-pump disposed on the first pipe, the second pipe, or the circulation pipe, driving the coolant to flow sequentially through the liquid reservoir, the first pipe, the circulation pipe, the second pipe, and back to the liquid reservoir, forming a coolant circulation loop. This shield is mainly used in high-temperature environments or industrial and medical applications requiring cooling, automatically reducing the shield temperature and improving user comfort and safety.

The invention provides a vibration damping device and a vehicle, the vibration damping device is used for being placed between an air conditioner complete machine located on a vehicle roof and the vehicle roof, and the vibration damping device comprises a connecting assembly, and the air conditioner complete machine and the vehicle roof are connected through the connecting assembly; and the vibration reduction assembly comprises a first vibration reduction part and a second vibration reduction part which are arranged along the roof at intervals, the first vibration reduction part is arranged corresponding to an evaporator of the air conditioner complete machine, and the second vibration reduction part is arranged corresponding to a compressor of the air conditioner complete machine, so that the problem that a device for reducing vibration of the air conditioner system of the bus is lacked in the prior art is solved.

This utility model provides a coating spinner for semiconductor wafers, relating to the field of semiconductor manufacturing equipment technology. The spinner includes a worktable, a dispensing head, a drive assembly, a translation device, a spinner, and a detachable liquid shield. The drive assembly includes a column, a horizontal linear motor, a horizontal guide rail, a horizontal slide block, and a vertical slide cylinder, enabling precise multi-degree-of-freedom movement of the dispensing head in three-dimensional space. The spinner drives the wafer to rotate at high speed for coating via a rotating assembly. The rotating assembly employs a rotary motor, a drive pulley, a driven pulley, and a belt drive structure to avoid direct vibration transmission and improve operational stability. The translation device moves the entire spinner, facilitating workstation switching. The liquid shield is detachably mounted on the spinner and has an opening in the center for the dispensing head to pass through, effectively preventing glue splashing and facilitating maintenance and cleaning.

This application discloses an intracranial pressure probe and its packaging method, relating to the technical field of intracranial pressure probes. The intracranial pressure probe includes a sensor and a coated lead wire, with the proximal end of the sensor electrically connected to the distal end of the coated lead wire. It includes: a protective frame with a window on its side wall; the sensor is disposed within the protective frame and corresponds to the window; a plug with a convex spherical surface at the distal end of the protective frame, the edge of which smoothly connects to the side wall of the protective frame; and a conduit sleeved over the coated lead wire and connected to the proximal end of the protective frame. A window transition structure is provided between the end of the sensor and the edge of the window, and a first transition structure is provided between the proximal end of the protective frame and the outer surface of the conduit. Both the window transition structure and the first transition structure are arc transitions. A gel filling layer is provided inside the conduit, between the protective frame, and between the sensor. This solves the problem of intracranial pressure probes easily scratching tissue in related technologies.

This utility model relates to the field of photovoltaic power generation technology, and in particular to a shock-resistant structure for a photovoltaic power generation panel, comprising a base plate, a mounting plate, a support assembly, and a vibration isolation assembly. The mounting plate is disposed above the base plate. The support assembly is disposed above the mounting plate and is used to mount the photovoltaic power generation panel. Multiple vibration isolation assemblies are disposed between the base plate and the mounting plate. The shock-resistant structure for the photovoltaic power generation panel in this utility model, by setting vibration isolation assemblies between the base plate and the mounting plate, and by mounting the photovoltaic power generation panel above the mounting plate via the support assembly, can effectively block ground vibrations to a certain extent through the vibration isolation assemblies, effectively reducing the vibration amplitude of the mounting plate, the support assembly, and the photovoltaic power generation panel.

This utility model relates to the field of straightening technology for continuous casting machines. It provides a straightening mechanism for a continuous casting machine, including a fixed frame, a machine frame, and a clamping mechanism installed on the top front side of the machine frame. The clamping mechanism is used to fix the forward direction of the casting plate. Fixed mechanisms are installed on both the left and right sides of the outer wall of the machine frame to fix and support the machine frame. The clamping mechanism includes a fixed frame, which is fixedly connected to the top front side of the machine frame. In this utility model, through the cooperation of the clamping plate and the long plate, the casting plate can always move forward on the fixed rod in a straight line. This ensures that the casting plate, under the push of the upper and lower pressure rollers, is always in the middle position of the straightening mechanism. This prevents the casting plate from being out of the middle position of the upper and lower pressure rollers during the conveying process when the casting plate width changes, which could easily cause it to deviate and collide with the sides of the upper and lower pressure rollers, thus affecting the straightening effect of the casting plate.

The utility model discloses an anti-impact automobile support which comprises a protective plate body, a fixed connecting plate, a connecting assembly and a bomb bearing body, a joint seat is fixedly installed on the surface of the protective plate body, and convex buckle bodies used for being connected with the connecting assembly and the bomb bearing body are arranged on the surface of the joint seat and the surface of the fixed connecting plate. The connecting assembly comprises connecting buckle bodies, a main supporting strip and an auxiliary supporting strip, wherein the main supporting strip and the auxiliary supporting strip are located between the two connecting buckle bodies. According to the automobile protection plate, through the flexible design of the bullet bearing body and the connecting assembly, when an automobile is subjected to external impact, impact energy can be fully absorbed, damage of impact to automobile parts is reduced, the overall impact resistance of the automobile is improved, and the protection plate body, the fixed connecting plate, the connecting assembly and the bullet bearing body are connected through the convex buckle body and the fixed connecting buckle; quick disassembly and assembly are facilitated, the maintenance time and cost are reduced, and the use convenience of the product is improved.

This invention discloses a rope-driven anthropomorphic wrist joint with rotational decoupling characteristics, belonging to the field of robotics technology. It includes a rotational decoupling mechanism and a differential mechanism. In the rotational decoupling mechanism, a fixed wheel is fixed to the robot's forearm, while the driving wheel is connected to the differential mechanism. The rope assembly enables flexible drive of the joint module. The rotational decoupling mechanism employs a movable pulley system, utilizing the characteristics of the movable pulleys to decouple the motion of the two sets of steel cables as they pass through the rotational joint. This allows the drive unit to be centrally located on the robot base or near the proximal end structure. The differential mechanism consists of a differential rotation axis, a fixed seat on the outer side of the differential rotation axis, and two symmetrically arranged sets of differential rotating wheels, forming a differential structure. This enables multi-degree-of-freedom composite movements such as pitch and yaw within a limited space, significantly improving structural compactness. This invention uses a rope-driven combined with rope transmission structure, enhancing joint flexibility and effectively isolating the motor output from impact and vibration.

This application relates to the field of vector geomagnetic field surveying, and more particularly to a method and system for measuring vector geomagnetic fields using an unmanned aerial vehicle (UAV). The system includes a tetrahedral rigid support structure made of non-magnetic material, with four GNSS antennas mounted at its vertices and three base points respectively, forming an RTK-GNSS multi-antenna system for acquiring low-frequency attitude data in a geocentric-ground-fixed coordinate system. A sensor unit integrates a vector magnetic sensor and an inertial measurement unit for acquiring three-axis geomagnetic field data and high-frequency angular velocity data. A GNSS receiver receives the multi-antenna observation data. A calibration system is used to construct a reference coordinate system during the ground calibration stage and determine the first rotation matrix between the magnetometer coordinate system and the reference coordinate system. An attitude and magnetic field data processing unit fuses low-frequency attitude and high-frequency angular velocity information, calculates the second rotation matrix between the REF reference coordinate system and the geocentric-ground-fixed coordinate system, and outputs three-axis geomagnetic field data in the geocentric-ground-fixed coordinate system through multi-level rotation matrix transformation.

An infrared focal plane refrigerator micro-vibration isolation and vibration absorption device, four groups of focal plane isolation structures are installed between the lower base and the upper seat, the lower base is installed on the camera main body, and the upper seat is installed on the infrared focal plane; the focal plane vibration absorber is installed on the end of the infrared focal plane cold finger; the focal plane limiting structure limits the displacement of the upper seat; four groups of compressor isolation structures are installed between the compressor support and the compressor, the compressor support is installed on the satellite cabin plate, the vibration absorber support is installed on the axial end face of the compressor, and the compressor vibration absorber is installed on the vibration absorber support; the compressor limiting structure limits the displacement of the compressor; the focal plane isolation structure and the compressor isolation structure are flexible structures. The application solves the image disturbance problem caused by excessive micro-vibration of the infrared refrigerator itself and the satellite cabin plate, and has the ability to simultaneously isolate the transmission path and weaken the vibration transmitted to the focal plane by the refrigerator.

A receiving and transmitting combined transducer based on a relaxor ferroelectric single crystal PMNT belongs to the technical field of underwater acoustic transducers, and comprises a prestress layer, a watertight layer, a cable, a splicing ring and two cover plates, the splicing ring is formed by connecting a plurality of splicing units; each splicing unit comprises two PMNT single crystal trapezoidal strips and two aluminum alloy trapezoidal strips; each splicing unit comprises a positive electrode and a negative electrode; leads led out from the anodes of all the splicing units are connected in parallel to lead out a total lead A, and leads led out from the cathodes are connected in parallel to lead out a total lead B; the prestress layer wraps the outer circumferential surface of the splicing ring; the two cover plates are installed at the two ends of the splicing ring respectively, and the two cover plates and the splicing ring are matched to form an air backing. The watertight layer wraps the peripheries of the two cover plates and the splicing ring; the cable is of a two-core structure and is electrically connected with the main wire A and the main wire B respectively. According to the utility model, the sound source level and the sensitivity of the transducer can be improved, and the working distance of the transducer can be effectively increased.

This utility model relates to the field of mold processing technology and discloses a quick-change positioning mechanism for injection molds. It includes a base, with support frames fixedly connected to the four corners of the top wall of the base. A fixed seat is fixedly connected to the rear side of the top wall of the base, and a hydraulic rod is installed inside the fixed seat. A connecting block is fixedly connected to the front end of the hydraulic rod. In this utility model, the hydraulic rod extends and pushes out the connecting block, causing the connecting block to drive the slider to slide towards the front of the sliding column. The slider moves forward, causing crank one to pull crank two, opening the clamping plate. When the hydraulic rod retracts, it pulls the connecting block, causing the slider to move backward, thus clamping the clamping plate. The back-and-forth extension and retraction of the hydraulic rod allows the clamping plate to perform clamping and opening actions. The clamping plate can clamp the mold and hold it in place, keeping it centered. During processing, the mold remains stable and does not shift, ensuring the positional accuracy of the mold during processing.

The utility model relates to leather production technical field discloses an automatic embossing machine for water -based leather production, including body one, the right side of body one is installed with body two, the top wall right side of body one and the top left side of body two are all equidistance installation fixed block, the inboard equidistance fixed connection of fixed block has fixed plate, the bottom of fixed plate installs motor, the output fixed connection of motor has carousel no.

The utility model relates to the technical field of automobile steering gear, disclose a kind of noise reduction type automobile steering gear, including rack gear, two pull rods and two ball head pins, the outer wall of rack gear is engaged with steering lever by gear, the both sides of rack gear inner wall are fixedly connected with torque bar, the both sides of torque bar outer wall are respectively connected by hinged member hinged connection with the adjacent two sides of pull rod, the side of pull rod far from rack gear middle part is all connected with ball head pin by hinged member hinged connection, the outer wall of ball head pin upper end is all provided with slotted nut. In the utility model, the anaerobic adhesive used in the connecting place of pull rod and rack and torque bar tightening process ensure the firm and reliable connection, the molybdenum disulfide grease filled in ball head pin ensures its rotation smooth and reduces noise, rubber protective cover and the protective sleeve everywhere effectively isolate vibration, impact and external environment, further reduce noise.

The utility model discloses a speed changer suspension and a vehicle. The speed changer suspension comprises a support, a transmission assembly and a suspension assembly, an outer skeleton; the main spring is arranged in the outer framework; the inner core is connected to the interior of the main spring, a plurality of first mounting holes are formed in the inner core at intervals, and the cross section, perpendicular to the axis of the first mounting holes, of the inner core is polygonal; the limiting piece is arranged at one axial end of the outer framework, a plurality of second mounting holes are formed in the limiting piece, and the first mounting holes correspond to the second mounting holes in a one-to-one mode so that fasteners can penetrate through the first mounting holes and the second mounting holes to connect the limiting piece with the inner core. Therefore, through the arrangement of the transmission suspension, the connection fastening strength of the inner core can be enhanced, and the problem of following rotation during fastening of the inner core can be prevented, so that the position stability of the inner core is improved, the inner core can fully isolate vibration generated by a transmission from different directions, local damage caused by uneven stress of the transmission suspension is prevented, and the transmission suspension is more stable in performance. And the service life is prolonged.

The application belongs to the field of aerial remote sensing stable platform control method, and relates to an aerial platform control method based on P-I inverse model and self-disturbance sliding mode, which comprises the following steps: a P-I hysteresis nonlinear model of a piezoelectric actuator is established, and an inverse model is constructed as a feedforward controller, which is used for compensating the known hysteresis nonlinearity; a feedback controller containing an extended state observer (ESO) and a super-twisting sliding mode (STSM) is constructed, the ESO is used for estimating the lumped unknown disturbance in real time, and the feedback control quantity is calculated based on the disturbance estimation value through the STSM; finally, the feedforward and feedback control quantities are superposed to drive the stable platform. This control mode can simultaneously solve the hysteresis nonlinearity of a piezoelectric ceramic (PZT) actuator, the chattering problem of a traditional sliding mode and the suppression problem of external strong disturbance, and high-precision tracking and strong robustness of the aerial remote sensing stable platform are realized.

The invention discloses an independent wheel sky rail driving bogie and a connecting structure thereof. The independent wheel sky rail driving bogie comprises a framework assembly, and a rail containing space is formed in the middle of the framework assembly; a plurality of independent wheels which are fixed on the framework assembly and can independently rotate are arranged at the upper part of the track accommodating space, and the framework assembly can walk along the track through the independent wheels; a driving trolley which is fixed on the framework assembly and can walk along the bottom surface of the track fixing seat is arranged at the lower part of the track accommodating space; the driving trolley can drive the framework assembly to walk along the track through independent wheels; a suspension assembly used for bearing a suspension vehicle body is fixed to the lower portion of the framework assembly. The lower portion of the framework assembly is connected with a vehicle body vibration reduction connecting structure used for being connected with a suspended vehicle body. In the sky rail running process, when a curve, gradient change or local unevenness of a rail occurs, the independent wheels can flexibly adjust the rotating angle and speed according to actual conditions, and the independent wheels can be better attached to the outline of the rail.

The invention provides a bearing type metal structure frame for a sightseeing vehicle, and belongs to the technical field of sightseeing vehicle frames, the bearing type metal structure frame for the sightseeing vehicle comprises a chassis main beam, a transverse reinforcing beam, a longitudinal supporting column, a top cross beam and a damping assembly; the chassis main beam comprises two I-shaped main beams which are symmetrically arranged left and right, and the two I-shaped main beams are fixedly connected through a plurality of groups of transverse reinforcing beams; the transverse reinforcing beam is of an I-shaped structure, and the two ends of the transverse reinforcing beam are welded and fixed to a lower flange plate of the I-shaped main beam; the problems that the overall strength and rigidity of a frame are often not uniform enough, a stress concentration area exists in the frame due to the limitation of the welding technology and the structural layout, and local deformation or fracture failure is prone to occurring can be solved; the dead weight of a vehicle frame is too large, the load and endurance performance of the sightseeing vehicle is limited, the damping performance is poor, road vibration cannot be effectively isolated, and the riding experience of passengers is affected; and the whole appearance modeling is simple, and the aesthetic property and personalized design are lacked.