145results about How to "Play the role of damping" patented technology

The invention discloses an inertial vibrating screen mechanism and belongs to the field of vibration screening. The mechanism comprises a rack, a screen body, a motor, springs and a connection rod mechanism; the motor is a power source and drives the connection rod mechanism to move; the connection rod mechanism is a five-rod mechanism and comprises two cranks and two connection rods, wherein the first crank and the second crank are both connected with a rack rotating pair, the two ends of the first connection rod are connected with a first crank rotating pair and a second crank rotating pair correspondingly, one end of the second connection rod, the second crank and the first connection rod are jointly connected through a rotating pair, and the other end of the second connection rod is connected with a screen body rotating pair; the screen body comprises a screen frame, a screen net and supporting frames; the two ends of each supporting frame are connected with the screen frame and the springs through bolts; the screen body is pushed by a double-crank mechanism to make reciprocating translational motion; the other ends of the springs are fixedly connected with sliders on a guiding rail; the rack comprises a base, stand columns and a cross beam; the lower ends of the stand columns are fixedly connected with the base; the upper ends of the stand columns are fixedly connected with the cross beam; and by means of vibration of a machine, classification, desliming and separation according to mass or particle diameter on materials are achieved.

The invention discloses a lithium battery drop resistance device. An acceleration sensor is arranged between an outer tank body and a lithium battery body, the acceleration of a moving lithium battery can be detected through the acceleration sensor, and thus whether the lithium battery is dropped off or not can be judged; furthermore a plurality of damping parts and buffer parts are arranged between the lithium battery and the outer tank body, and furthermore a control chip is configured, so that all electromagnetic valves are controlled to be opened by the control chip when the acceleration sensor detects that the lithium battery is dropped off, a compressed spring is popped out, honeycomb rubber is also popped out, then the lithium battery can be fixed among all pieces of honeycomb rubber and is prevented from being directly dropped onto the ground, and a damping function is achieved; and meanwhile, after the electromagnetic valve of a compressed air cylinder is opened, compressed air is fed into an airbag, the airbag is popped out, after the airbag is inflated, a buffer function is achieved, and thus the lithium battery can be further prevented from being damaged.

The present invention discloses a vibration-damping ship pipe clamp and support frame assembly comprising a pipe, a ship body board and a support frame. A pipe clamp is arranged outside the pipe, and connected to a top cylinder of the support frame by means of a T-shaped connecting piece. A base plate of the support frame is connected to the ship body board. When the pipe vibrates under collision, springs in the pipe clamp, springs in the top cylinder of the support frame and springs in a base of the support frame function in reducing displacements and stresses of the whole assembly in a vertical direction, a lateral direction and a longitudinal direction, thus reducing the vibration displacement of the whole pipe. The vibration-damping ship pipe clamp and support frame assembly is reasonable and simple in structure and low in production cost. Each spring used in the vibration-damping ship pipe clamp and support frame assembly is a cylindrical helical extension spring with centrally curled ring ends, and such a spring is very mature in manufacturing technology and also highly stable in quality.

The invention relates to a passive fluidic resistor suspension with an equivalent mechanical structure, and belongs to the technical field of engine supporting structures. The passive fluidic resistor suspension with the equivalent mechanical structure mainly comprises an external rubber mainspring, an upper connecting bolt connected with the external rubber mainspring, an external supporting spring, an upper fluid chamber, a lower fluid chamber, an inner gas chamber, an inner spring, a mass block and the like, wherein the inner spring and the mass block are arranged in the inner gas chamber. The upper fluid chamber which tightly abuts against the upper end face of a partition board between the upper fluid chamber and the lower fluid chamber, an external gas chamber and the inner gas chamber are arranged in sequence from outside to inside. The lower fluid chamber tightly abuts against the lower end face of the partition board between the upper fluid chamber and the lower fluid chamber. An inertia channel which enables the upper fluid chamber to be communicated with the lower fluid chamber is arranged in the partition board between the upper fluid chamber and the lower fluid chamber. According to the passive fluidic resistor suspension with the equivalent mechanical structure, the notch frequency of the fluidic resistor suspension is constant within a low frequency range, but the dynamic stiffness of the fluidic resistor suspension is reduced as far as possible within a notch frequency range; in addition, the dynamic stiffness of a corresponding peak frequency is reduced as far as possible, the noise lowering effect and the damping effect of the engine fluidic resistor suspension are improved within the low frequency range, and the fatigue performance and the creep property of the fluidic resistor suspension can also be improved.

The invention discloses a vibration damping and noise reducing mechanism for a motor rotor, which is suitable for small-power or micro-sensing motors. The mechanism comprises a rotor, a rotating shaft and vibration damping devices, wherein the rotor is fixed with the rotating shaft in a sleeve joint mode; the rotating shaft is pivoted on a bearing and one end of the rotating shaft passes through the bearing to form an output shaft; the vibration damping devices are respectively arranged between the rotor and the bearing symmetrically, and comprise a retainer ring and an elastic element; the retainer ring is sleeved on the rotating shaft; the elastic element is sleeved on the rotating shaft; one end of the elastic element is pressed against the retainer ring, and the other end of the elastic element is pressed against the end face of the bearing; and the retainer ring has stair-step structure and comprises a conflict part and a sleeve part, wherein the conflict part is resisted on the rotor, the sleeve part is sleeved on the elastic element. The vibration damping and noise reducing mechanism for the motor rotor can realize vibration damping in the radial direction, and can reduce noise generated by vibration.

The invention relates to a load weighting device for feeding materials, in particular to a microscale load weighting device for feeding materials of a weight-loss type microbalance. A weighting hopper is vertically mounted at one lateral side of a mounting lateral plate, a weighting sensor is arranged on a lateral wall of the back of the mounting lateral plate which is equipped with the weighting hopper, the bottom end of the weighting hopper is equipped with a discharge hole, the discharge hole extends to a groove of feeding materials which is arranged below the weighting hopper, and the tail portion of the groove of feeding material is equipped with an electromagnet. The invention is characterized in that a mounting clamp plate is disposed at the lateral side of the weighting hopper, the electromagnet is connected with the mounting lateral plate which is arranged on the weighting hopper, the wall side of the mounting lateral plate is equipped with a bending plate, and the mounting clamp plate is equipped with a vibration absorber. The load weighting device for feeding materials has the advantages of decreasing vibration, reducing the impact of the device of materials and feeding materials to the load weighting device, adding the accuracy of measuring, and then, can be completely used to weight feeding materials of graininess material, the weight of which is lower than 50 grams. Further, the load weighting device for feeding materials is accurate in weighting and fine in vibration isolation effect, and the load weighting sensor has little interruption.

The invention discloses a damping multi-rotation hammer crusher. The damping multi-rotation hammer crusher comprises upper and lower bearing boxes, driving and driven transmission shafts, driving and driven gears, a bearing base through cover and a bearing base seal cover and is characterized in that a crusher cylinder is a cylindrical shell, the upper part and the lower part of the crusher cylinder are respectively provided with the bearing boxes, the upper and lower bearing boxes are respectively connected to the bearing base through cover and the bearing base seal cover, upper and lower tapered roller bearings are respectively arranged in the upper and lower bearing boxes, the driving and driven transmission shafts go through the bearing base through cover, the middles of the driving and driven transmission shafts are arranged in the crusher cylinder, the bottoms of the driving and driven transmission shafts are connected to the bearing base seal cover, the driving and driven transmission shafts are respectively provided with grit beating hammers, the grit beating hammers are connected to the transmission shafts by splines, a wear-resistant bushing is installed in the crusher cylinder, the wear-resistant bushing is a cylinder composed of two semicircular arc plates, and a wear-resistant bushing butt-seam damping sealing gasket is arranged in the gap between the two semicircular arc plates of the wear-resistant bushing. The damping multi-rotation hammer crusher has the characteristics work efficiency improvement, energy consumption reduction, damping and noise reduction.

The invention discloses an adjustable water resource sample sampling device and relates to the related field of water resource detection. The device comprises a sample collection pipe mounted in a waterproof box and a handle connected with one side of the waterproof box, wherein a sampling opening is formed in one end of the sample collection pipe, and a water pumping sliding plate is slidably connected into the sample collection pipe; the water pumping sliding plate is connected with the sampling mechanism through a pull rope, the sampling mechanism comprises a rotating connecting rod, a spring connecting rod, a spring, a driven gear, a gear connecting rod, a first hub, a first hub connecting rod and a balancing weight, and the first hub is located in the middle of the end, close to the handle, of the sample collecting pipe and rotationally connected with the sample collecting pipe through the first hub connecting rod; a wire outlet end of the first hub is connected with a balancing weight installed on the water pumping sliding plate through a pull rope, and a wire inlet end of the first hub is connected with the periphery of the polished rod of the driven gear through a pull rope. Different from a traditional water sample collection mode, sustainable development of resources can be facilitated under the condition of saving electric energy expenditure while manpower is liberated.

The invention discloses a buffer damping noise-reduction pulverizer. The buffer damping noise-reduction pulverizer relates to the technical field of ore crushing machinery. The buffer damping noise-reduction pulverizer is characterized in that a pulverizer cylindrical shell is a columniform cylinder, the upper part of the pulverizer cylindrical shell is provided with an upper bearing box, the lower part of the pulverizer cylindrical shell is provided with a lower bearing box, the upper bearing box is connected to a bearing base ventilation cover, the lower bearing box is connected to a bearing base seal cover, an upper tapered roller bearing is installed in the upper and lower bearing boxes, a driving transmission shaft and a driven transmission shaft respectively are transmission shafts of a driving gear and a driven gear, the driving transmission shaft and the driven transmission shaft go through the bearing base ventilation cover, middles of the driving transmission shaft and the driven transmission shaft are arranged in the pulverizer cylindrical shell, the bottoms of the driving transmission shaft and the driven transmission shaft are connected to the bearing base seal cover, the driving transmission shaft and the driven transmission shaft are installed in the middle of the pulverizer cylindrical shell and are respectively provided with sanding vane plates, each one of the top and the bottom of the pulverizer cylindrical shell is provided with a raised wear-resistant end plate, and the raised wear-resistant end plate is an assembly which has a Chinese character Tu-shaped cross section and is composed of large cylinders and small cylinders with different diameters. The buffer damping noise-reduction pulverizer has the characteristics of high work efficiency, low energy consumption, damping and noise reduction.

The invention is aimed at providing a damping driving wheel. Wheel teeth can be conveniently replaced, and the vibration of the driving wheel can be controlled. The damping driving wheel comprises anouter wheel hub, a middle frame, an inner wheel, the wheel teeth, a damping pipe, a U-shaped connector and a quick-detach connecting rod. A circumferential groove is formed in the outer ring arc-shaped surface of the outer wheel hub. A middle frame circular positioning groove is formed in the inner ring arc-shaped surface of the outer wheel hub and used for positioning and installing the middle frame. Protruding teeth are arranged on the outer ring arc-shaped surface of the inner wheel at equal intervals and correspond to a pipe base on the middle frame in position. Each wheel tooth is composed of a wheel tooth body and a wheel tooth base. The inner wheel, the outer wheel and the middle frame are fixed into a whole through the U-shaped connector and the quick-detach connecting rod. By means of the driving wheel, the stable and safe working of a whole crawler working system can be ensured, and the driving wheel is particularly suitable for a medium-large-sized crawler type bulldozer.