92results about How to "Realize the function of vibration reduction" patented technology

The invention provides a multifunctional vehicle-borne battery box, which comprises a box cover, a box body, connecting bodies and a battery system. The multifunctional vehicle-borne battery box is characterized in that: at least one wall of the battery box is a hollow double-walled structure composed of an inner wall and an outer wall. The inner wall is a heat conduction wall, and is in fixed and sealing connection with the box body through fixation bodies, so that the battery box is divided into a box body space and a double-walled space that are not communicated mutually. The double-walled space is provided with ventilation holes that are equipped with ventilation doors. And the double-walled space can be communicated with the outside through the ventilation doors. The multifunctional vehicle-borne battery box provided in the invention can satisfy the heat preservation, waterproofness, shock resistance, impact resistance, heat dissipation and other technological requirements needed by an electric vehicle battery box, so that the reliability and service life of a battery system can be improved.

A real-time controlling system used for controlling an intelligent active vibration isolation unit comprises an intelligent active vibration isolation unit, a base, a DSP vibration controlling card, a piezo-electricity type accelerating sensor, a signal collecting device and a signal conditioning device, wherein, the intelligent active vibration isolation unit is fixed on the base; when the base is vibrated, the signal collecting device collects two error signals and one vibration source signal on the horizontal and vertical planes of the intelligent active vibration isolation unit transmitted from the vibration source detected by the piezo-electricity type accelerating sensor, and all the three signals enter the DSP vibration controlling card; after the three signals are calculated through the control algorithm in the DSP vibration controlling card, two signals to be controlled are outputted and processed through the signal conditioning device, and the two signals to be controlled are outputted to two giant magnetostrictive actuators in the intelligent active vibration isolation unit in the horizontal direction and in the vertical direction, thereby generating relevant extension and shrinkage and realizing the active vibration control of the intelligent active vibration isolation unit. The invention has the advantages of quick speed, real time and high precision.

A shock-absorbing comfortable sole comprises an outsole in contact with the ground and a midsole fixed on the upper surface of the outsole. The midsole comprises an upper layer and a lower layer. One or a plurality of through holes penetrating through the midsole in the thickness direction are respectively reserved on a heel, a rear sole and / or a front sole of the upper midsole. Projections corresponding to the through holes on the upper midsole are arranged on the upper surface of the lower midsole. The projections on the lower midsole are connected with the through holes on the upper midsole respectively in an embedded manner. Bottom grains protruding the lower surface of the outsole and corresponding to the projections on the lower midsole in position are arranged on the lower surface of the outsole. The upper midsole is hard, the lower midsole is soft, and when the surface of the upper midsole is stepped by a foot in walking, the upper surfaces of the soft projections are recessed highly and the upper surface of the hard upper midsole is recessed lowly, so that the upper surface of the upper midsole is flat or slightly uneven alternately, a foot sole of a wearer can be massaged, walking fatigue can be relieved, and the effect is evident.

The present invention relates to a heat-dissipation type GPS navigation device with a vibration reduction function for outdoor work, comprising a main body, a strap, a display screen and a circuit board. The display screen is arranged on the top of the main body. The strap is arranged on the main body. The circuit board is in a shape of a cuboid. The circuit board is parallel to the display screen. The circuit board is arranged in the main body. The circuit board is provided with a GPS navigation system. A heat dissipation mechanism and four vibration reduction mechanisms are arranged in the main body. The four vibration reduction mechanisms are uniformly arranged around the circuit board. The heat dissipation mechanism comprises a driving component and two heat dissipation components. Each of the vibration reduction mechanisms comprises a fixing block, an airbag and two vibration reduction components. The heat-dissipation type GPS navigation device with a vibration reduction functionfor outdoor work not only realizes a heat dissipation function through the heat dissipation mechanism, but also realizes buffer and vibration reduction effects through the vibration reduction mechanisms, thereby preventing the circuit board from being damaged.

The invention provides a vibration damper for an ultrahigh-voltage steel tube tower. The vibration damper comprises a damping material layer and an elastic material layer. The damping material layer is sleeved on the outer wall of a base steel tube of the ultrahigh-voltage steel tube tower. The elastic material layer is sleeved on the outer wall of the damping material layer. When the base steel tube of the ultrahigh-voltage steel tube tower is bent and vibrated by influence of wind vibration, the inner surface and the outer surface of the damping material layer respectively produce compression and extension deformation so that the damping material layer bears shear stress and strain and then the vibration energy of the base steel tube can be consumed. The elastic material layer is used for limiting the free deformation of the outer surface of the damping material layer and ensuring the cooperation between the damping material layer and the base steel tube, thereby enhancing the damping performance of components and the whole structure and realizing the function of vibration damping.

The invention discloses an active suspension having a spiral spring and a rubber spring non-concentric with each other in the technical field of vehicle suspensions. The lower end of an inner cylinderof an active force actuator extends out of an outer cylinder and is concentrically and fixedly connected with a first rubber spring; the first rubber spring consists of a rigid outer ring, a rubber main spring, a rigid guide rail and a rigid inner tube; the spiral spring which is non-concentric with the first rubber spring and the active force actuator is arranged beside the active force actuator; the upper end of the spiral spring is pressed against a connecting plate of a vehicle body; the lower end of the spiral spring is supported on a spring mounting seat fixedly connected to a lower fork arm; the lower fork arm is connected between the vehicle body and a wheel; and the upper end of the outer cylinder of the active force actuator is concentrically and fixedly connected with the lowerend of a rigid outer ring of a second rubber spring whose structure is as same as the structure of the first rubber spring. Except for a primary vibration absorbing function formed by the active force actuator and the spiral spring, the active suspension having the spiral spring and the rubber spring non-concentric with each other also has a secondary vibration absorbing function formed by the first rubber spring and a three-stage vibration absorbing function formed by the second rubber spring.

The invention discloses a rear suspension oil cylinder for a heavy-duty industrial mining vehicle. The rear suspension oil cylinder is arranged at the rear part of a vehicle and used for supporting an upper vehicle frame and a lower vehicle frame and comprises a cylinder body, a guide sleeve arranged at the front end of the cylinder body, a piston rod and a piston, wherein the piston rod is in sliding fit with the guide sleeve, the piston is in sliding fit with the inner wall of the cylinder body, the cylinder body is partitioned into a rod cavity and a rodless cavity of the oil cylinder by the piston, the piston is positioned at the tail end of the piston rod, the piston and the piston rod are of an integral structure, the piston rod is provided with an inner cavity which is communicated with the rodless cavity, one end of the inner cavity is closed, an inflation valve for injecting oil and inflating air to the rodless cavity is arranged at the tail part of the cylinder body, and the piston rod is respectively and radially provided with a damping hole for communicating the inner cavity and the rod cavity and a steel ball which pushes unidirectionally against the rod cavity from the inner cavity. The rear suspension oil cylinder can be suitable for different pavement situations by making reciprocated up-down movement in the traveling process of the vehicle, and achieves the functions of shock absorption and support; and the alternate change of the damping forces can be realized in the traveling process of the vehicle due to adoption of the damping hole and the steel ball which pushes unidirectionally against, therefore the purpose of ensuring the movement stability of the vehicle is achieved.

The invention discloses a speed-reducing type wheel electric drive system of an electric vehicle. A hub is supported on a wheel support shaft on a suspension steering knuckle through a hub bearing; a first-level speed reducing gear pair is in transmission with a second-level speed reducing gear pair; a motor shaft of a wheel drive motor is in pivot joint with a slider of a sliding guide pair; a guide rail of the sliding guide pair is vertically fixed on the suspension steering knuckle; the wheel drive motor can relatively slide on the suspension steering knuckle in the vertical direction; and the slider and the suspension steering knuckle are borne by a dynamic vibration reducing spring and a dynamic vibration reducing damper. According to the invention, through the movable connection design between a drive motor and a speed reducing transmission mechanism, the dead weight of the drive motor is transformed into the mass of a dynamic vibration reducer, and thus the vibration reducing function of the dynamic vibration reducer can be realized without needing additional mass block of the dynamic vibration reducer. Through the invention, the unsprung mass of the wheel electric drive system is effectively reduced, and the dead weight of the drive motor generates an effect of reducing the negative effect of the unsprung mass of the wheel electric drive system.

The invention discloses a bogie frame which comprises side beams and a cross beam positioned between the side beams, wherein an air spring seat for mounting an air spring is arranged on each side beam; a main air chamber of the mounted air spring is positioned in an inner cavity of each side beam; the cross beam is of a hollow seamless steel tube structure; the frame also comprises a channel; the channel is used for communicating the main air chamber of each air spring with the cavity of the cross beam. According to the frame provided by the invention, the cavity of the cross beam is used as an additional air chamber of the air spring; the cross beam is of the hollow seamless steel tube structure and is good in air tightness, so the damping requirement of the high-speed train can be met.

The invention relates to an electronic component manufacturing equipment with the impurity removing function. The equipment comprises a box body and a dispensing pipe, the box body is in a cuboid shape, the dispensing pipe is vertically arranged at the bottom of the box body and communicates with the box body, glue and an execution system are arranged in the box body, and an auxiliary mechanism and a cleaning mechanism are arranged on the dispensing pipe; the auxiliary mechanism comprises a fixing ring, a sealing disc, a magnet block, a moving pipe, two connecting blocks, two reset assembliesand two connecting assemblies, each reset assembly comprises a guide rod, a first spring, a fixing block and a guide hole, each connecting assembly comprises a sliding block, a limiting block, a fixing rod and a second spring, and the cleaning mechanism comprises two cleaning assemblies. According to the electronic component manufacturing equipment with the impurity removing function, the functionof preventing glue from dripping is achieved through the auxiliary mechanism, and in addition, the function of removing impurities on the substrate is achieved through the cleaning mechanism.

The invention relates to a high-efficiency vertically-arranged milling cutterhead and special blades, and belongs to the technical field of cutters for metal cutting machining. A main fastening bolt hole is formed in the top of the cutterhead, the cutterhead is connected with a power transmission shaft through a bolt, the cutterhead is positioned through a key slot, so that the cutterhead can be well mounted and fixed on the main shaft, and machining vibration is reduced; a plurality of cutter grooves of vertically-arranged cutter clamps are uniformly formed in the periphery of the cutterhead,and the cutter clamps are locked in the cutter grooves through locking screws; and each cutter clamp is provided with a cutter holder for installing the special blades, the special blades are fixed in cutter holders through pressing screws, and the axial cutting depth of the special blade can be adjusted through eccentric adjusting pins. The special blades and the cutter clamps adopt a vertical installation mode, the operation is simple and convenient, the service life of a cutter can be prolonged, and the production efficiency is improved.

The invention relates to efficient transportation equipment for coal mining. The trolley comprises a main body and four wheels, wherein the main body is in a cuboid shape, the wheels are uniformly arranged at four corners of the bottom of the main body, an auxiliary mechanism and four connecting mechanisms are arranged at the bottom of the main body, the connecting mechanisms are in one-to-one correspondence with the wheels, the auxiliary mechanism comprises a fixing box, an air pressure assembly and four vibration assemblies, the vibration assembly comprises a fixed pipe, a movable disc, a magnet block, a vibration block and a mounting hole, and the connecting mechanism comprises a supporting pipe, a supporting plate, an alarm assembly and at least two connecting assemblies. The efficienttransportation equipment for coal mining is advantaged in that the function of reducing the air in a coal mine in the main body is achieved through the auxiliary mechanism, so the coal mine loading capacity of the main body can be increased, coal mine transportation efficiency is improved, in addition, overload prevention function is achieved through the connecting mechanisms.

The invention relates to a heat dissipation type public transportation system payment device based on a block chain technology. The device comprises a main body, a supporting rod and an induction plate, wherein the main body is in a cuboid shape; a payment system is arranged in the main body; a through hole is formed in the top of the main body; the induction plate is parallel to the top of the main body and is positioned in the through hole; the induction plate is in sliding and sealed connection with the inner wall of the through hole; the supporting rod is perpendicular to the induction plate; a mounting hole is formed in the bottom of the main body; the supporting rod penetrates through the mounting hole; the supporting rod is in sliding and sealed connection with the inner wall of themounting hole; a processor and a memory are arranged in the main body; the processor is electrically connected with the memory; and a memory receives block chain data written by block chain nodes andstores the block chain data. According to the heat dissipation type public transportation system payment device based on the block chain technology, the functions of buffering and vibration reductionare achieved through a vibration reduction mechanism; and in addition, the function of heat dissipation of the main body is achieved through a heat dissipation mechanism.