39results about How to "Absorb vibrational energy" patented technology

A piezoelectric actuator includes a square suspension plate, an outer frame, plural brackets and a square piezoelectric ceramic plate. The outer frame is arranged around the suspension plate. A second surface of the outer frame and a second surface of the suspension plate are coplanar with each other. The plural brackets are perpendicularly connected between the suspension plate and the outer frame for elastically supporting the suspension plate. Each bracket has a length in a range between 1.11 mm and 1.21 mm and a width in a range between 0.2 mm and 0.6 mm. A length of the piezoelectric ceramic plate is not larger than a length of the suspension plate. The piezoelectric ceramic plate is attached on a first surface of the suspension plate.

The invention discloses an elevator steel wire rope tension automatic regulation system which comprises a plurality of cylinder bodies. A piston is mounted in each cylinder body; each piston is fixed to a tail end pull rod of one elevator steel wire rope and can freely move in the corresponding cylinder body; an inner cavity is formed by each piston and the corresponding cylinder body; and all the inner cavities are communicated mutually and are filled with liquid for transferring a pressure to form a closed communicated liquid system. Tensions of the steel wire ropes are acted on the pistons by the tail end pull rods and generate a certain pressure on liquid in the inner cavities by the pistons, the inner cavities of all the cylinder bodies are communicated, and thus, according to a principle that the liquid can transfer the pressure towards each direction in a size unchanged manner, liquid pressures in different inner cavities connected together finally reach a dynamic balance to enable acting forces of the liquid on different pistons to be equal, so that automatic regulation on the tensions of all the steel wire ropes is achieved. According to the invention, uniformity of the tension of each steel wire rope is achieved, wear to the steel wire ropes greatly stressed and grooves matched with the steel wire ropes greatly stressed is reduced, and the elevator steel wire rope tension automatic regulation system is beneficial for prolonging the service life of an elevator traction system.

The invention provides a device for measuring length of a transverse cutting machine. The device comprises a bracket, a gas cylinder component, and a limitation piece, wherein the front end of the gas cylinder component is fixed on a length-measuring wheel seat by a gas cylinder joint seat, the length-measuring wheel seat is hinged on a bearing with a pedestal by a pendulum shaft, and the bearing with the pedestal is arranged at the lower end of the bracket; the limitation piece is contacted with the gas cylinder joint seat of the gas cylinder component; and a length-measuring wheel is hinged on the length-measuring wheel seat by two bearings on a length-measuring wheel shaft, and the length-measuring wheel seat is also provided with an encoder. With the adopted structure, air pressure in the gas cylinder component can be on-line adjusted; when the air pressure decreases, the pressure of the length-measuring wheel on a paper board increases, otherwise the pressure of the length-measuring wheel on the paper board decreases; when the pressure of the length-measuring wheel on the paper board is decreased to less than zero, the length-measuring wheel is lifted out of the paper surface; and due to the assembly of the elastic limitation piece and the gas cylinder inner spring, the gas cylinder inner spring can make the length-measuring wheel always apply a certain pressure on the paper board, and the limitation piece and the spring can both effectively absorb the vibrational energy generated when the length-measuring wheel and the paper board move, so that the length-measuring wheel and the paper board are always kept synchronous, and the measuring accuracy of the length-measuring wheel is ensured.

The invention relates to a shock absorber of a seat type lamp, which belongs to the technical flied of lamp illumination. The shock absorber of the seat type lamp comprises a shock-absorbing elastic part, wherein a rigid outer cover fixedly connected with the bracket of the seat type lamp is sleeved outside the upper part of the shock-absorbing elastic part, the rigid outer cover is lower than the shock-absorbing elastic part, a groove is arranged at the bottom of the shock-absorbing elastic part, a flexible rigid inside lining is sleeved in the groove, and the rigid outer cover is fixedly connected with the rigid inside lining. The invention provides the shock absorber of the seat type lamp, which has simple structural design and good shock-absorbing performance.

A miniature fluid control device includes a piezoelectric actuator, a gas collecting plate and a base. The piezoelectric actuator includes a suspension plate, an outer frame, at least one bracket and a piezoelectric ceramic plate. The suspension plate is a square plate. The outer frame is arranged around the suspension plate. A surface of the outer frame and a surface of the suspension plate are coplanar with each other. The gas collecting plate is a frame body with an accommodation space. The base includes a gas inlet plate and a resonance plate. The base is disposed within the accommodation space to seal the piezoelectric actuator. An adhesive layer is arranged between the second surface of the outer frame of the piezoelectric actuator and the resonance plate. Consequently, a depth of a compressible chamber between the piezoelectric actuator and the resonance plate is maintained.

A vegetable oil-based cartilage bionic cushioning and shock-absorbing material, and a preparation method and use thereof, is provided. The vegetable oil-based cartilage bionic cushioning and shock-absorbing material is prepared from a premix A and an isocyanate mixture B; the premix A including a vegetable oil-based modified polyol, a type 1 polyether polyol, a type 2 polyether polyol, a polymer polyol, a surfactant, a foaming agent, a chain extender, a catalyst and a cell regulator; the type 1 polyether polyol is a polyether polyol with a molecular weight of 400-1000 and a hydroxyl value of 110-280 mgKOH/g; and the type 2 polyether polyol is a polyether polyol with a molecular weight of 1000-10000 and a hydroxyl value of 25-56 mg KOH/g. The material provided by the present invention is environment-friendly and breathable with open cells, and has a high cushioning effect and a low permanent compression set value.

The invention relates to the field of transmission lines, in particular to a vibration-proofdevice for high-voltage transmission lines. The technical problem to be solved is to provide a vibration-proof hammer filled with gas and two kinds of damping fluids, which is not liable to be loosened and displaced, can adapt to various vibration frequencies, has the function of warning identification, prevents the aircraft from accidental collision, and can provide the positioning mark for the aircraft. The technical scheme adopted to solve the technical problem is as follows: the double-layer vibration-proof hammer comprises a hammer body, a wire clamp, a steel strand, and a connecting plate. The hammer body is divided into two layers of an upper hammer body and a lower hammer body, the upper hammer body is two, the lower hammer body is two, and the steel strand comprises an upper steel strand and a lower steel strand; the upper steel strand and the lower steel strand are arranged on the connecting plate in parallel; at the joint of the hammer body and the steel strand wire, a waterproof gasket is arranged; The invention is applied to the installation of high-voltage wires.

The invention relates to the technical field of new energy batteries, in particular to a new energy battery box containing a water-based stone-impact-resistant coating, the new energy battery box comprises an upper box body and a lower box body connected with the upper box body, the inner wall of the upper box body is sequentially compounded with a first stone-impact-resistant water-based damping coating and a first normal-temperature high-performance water-based damping coating, a second stone-impact prevention water-based damping coating and a second normal-temperature high-performance water-based damping coating are sequentially compounded on the inner wall of the lower box body; when the upper box body is hit by stones, the viscoelasticity of the first stone-hit-preventing water-based damping coating and the first normal-temperature high-performance water-based damping coating can effectively absorb destructive force generated by stone hit through the upper box body, vibration energy is absorbed, vibration waves and sound waves are weakened, the mechanical vibration attenuation effect is effectively improved, noise is reduced, stone impact is prevented, the situation that stones directly hit the coating to damage the coating is avoided, and therefore the service life is prolonged, and the anti-fatigue effect is improved.

The height-adjustable elevator damping device comprises an elevator car, a top plate is horizontally arranged in the elevator car, a noise reduction sleeve is arranged at the upper end of a first damping pad, noise is greatly reduced, an electric telescopic rod is controlled to stretch out and draw back to drive a sliding block to move in a sliding groove, and therefore a connecting rod is driven to move; the top plate can be lifted, the surface of the car wall of the elevator car is coated with the damping coating layer, vibration energy generated by lifting and stopping of the elevator car can be absorbed, the amplitude and noise are reduced, the good damping effect is achieved, impact energy transmitted by the top plate is effectively absorbed by arranging the air bag damper, and the service life of the elevator car is prolonged. The damping device effectively improves the buffering strength and effectively eliminates low-frequency vibration, enables the elevator car to run stably, effectively improves the riding comfort of passengers, is novel in structure, adopts multiple sets of damping assemblies, and is good in damping effect and high in practicability.

The invention discloses a compressor assembly and a refrigerator with the compressor assembly. The compressor assembly comprises a compressor body and a plurality of oil pressure feet arranged on thebottom part of the compressor body and used for supporting the compressor body, wherein each oil pressure foot comprises a cylinder body fixedly arranged relative to the compressor body and provided with an oil storage cavity formed inside, a plunger arranged in the corresponding oil cavity and capable of moving up and down relative to the corresponding cylinder body, and a fixing foot connected under the corresponding plunger; and the oil cavity of each oil pressure foot communicates with the oil cavity of the other oil pressure foot so as to enable the corresponding fixing feet to align in an up-and-down direction. According to the compressor assembly and the refrigerator with the compressor assembly provided by the invention, through the communicating oil pressure feet, the vibration energy produced during a compressor operation process can be effectively absorbed, so that the generation of a larger noise is avoided; and during an installation process of the compressor assembly, thecommunicating oil pressure feet can be adaptively adjusted, so that the fixing feet of the oil pressure feet can be simultaneously abutted against corresponding installation part positions in the refrigerator, and the compressor assembly is conveniently installed in the refrigerator.

A means for being electrically connected to an electrode of a piezo-electric plate is adapted for connecting the piezo-electric plate to a circuit board disposed under the piezo-electric plate. The piezo-electric plate and the circuit board are respectively provided with a first electrode and a second electrode corresponding to the first electrode. The means includes a conductive element and an elastic element. The conductive element includes at least two connecting surfaces electrically connected to each other and respectively electrically connected to the first electrode and the second electrode. The elastic element is joined with the conductive element and located between the piezo-electric plate and the circuit board.

The invention discloses a suspension double-buffering damper, which comprises a working cylinder and a liquid storage cylinder, wherein a piston is movably arranged in the working cylinder, and the piston is fixedly connected with a piston rod. The suspension double-buffering damper is characterized in that the middle of the working cylinder is fixedly provided with a fixing ring; the upper surface and the lower surface of the piston are fixedly provided with springs; the working cylinder consists of a first cylinder block and a second cylinder block, wherein the first cylinder block and the second cylinder block have different diameters; a transition section is arranged between the first cylinder block and the second cylinder block; the pipe body surface of the piston rod is provided with oil tanks which are arranged in a spiral line; the head part of the piston rod is provided with a buffer gear; the buffer gear comprises two sets of serial buffer cushions and buffer blocks. Compared with the prior art, the suspension double-buffering damper has the advantages of simple structure and easiness in production, the practical deformation amount of the piston can be effectively lowered, and the service life of the damper is prolonged.

The invention relates to the technical field of refrigeration equipment, in particular to a compressor damping device and a compressor device for the refrigeration equipment. The compressor damping device comprises a damping body, wherein a cavity is arranged in the damping body, damping filler is arranged in the cavity, and the damping filler can move in the cavity. After the compressor damping device is arranged on the compressor device, the weight of the compressor device can be increased, the rotational inertia of the compressor device can be increased, the vibration of the compressor device can be reduced, the damping filler reciprocates in the cavity, the vibration energy of the compressor can be effectively absorbed, and the vibration of the compressor can be reduced; and the compressor damping device and the compressor device for the refrigeration equipment are simple in structure, have a good damping effect and are beneficial to popularization.

The invention discloses a semi-active air pressure inerter-hydraulic damping combined type anti-galloping energy consumption device which comprises an outer cylinder, an inner cylinder arranged in the outer cylinder and spacer bushes fixedly installed at the two ends in the inner cylinder, the spacer bushes divide the inner cylinder into a functional cavity and a middle cavity, and the functional cavity and the middle cavity are filled with compressed gas; a first baffle is arranged on one side of the first baffle, a second baffle is arranged on the other side of the first baffle, a flow blocking cavity is formed between the first baffle and the second baffle and filled with flow blocking liquid, a plurality of impellers are arranged between the first baffle and the second baffle, a second piston is arranged on the other side of the first baffle, a plurality of ball nuts are arranged on the second piston, and the second piston, the ball nuts and the rotating rod form a ball screw pair structure. Through combination of the air pressure inerter and the liquid damping, semi-active control is realized, and conductor galloping is efficiently inhibited. Compressed air circulation gaps in the functional cavity and the middle cavity are communicated with each other, the effect of an inerter damper is achieved, the weight of the whole device is greatly reduced, the design is reasonable, installation is convenient, and the effect is obvious.