35results about How to "Small working vibration" patented technology

The invention discloses a servo heat dissipation and damping motor. The motor comprises a motor body, a cooling cavity, a ventilation cavity and a motor cavity are formed in the motor body from left to right respectively, and a motor shaft is arranged in the middle of the motor body and rotatably connected with the motor body through first ball thrust bearings and second ball thrust bearings separately; blades are installed on the portion, located at the left end of the motor shaft, in the ventilation cavity, multiple vent holes communicated with an inner cavity of the motor shaft are furtherformed in the side surface of the left end of the motor shaft, and multiple exhaust covers are arranged on the left side wall of the ventilation cavity in the circumference direction; ventilation pipes are connected to the left ends of the exhaust covers, the vertical parts of the ventilation pipes are located in the cooling cavity, and the upper horizontal parts of the ventilation pipes extend out of the right end of the motor body. The servo heat dissipation and damping motor is high in stability, can conduct heat dissipation by itself during operation, and has a good heat dissipation effect, the motor works for a long time conveniently, and the service life of the motor is prolonged.

The invention discloses an explosionproof internal-combustion forklift truck. The forklift truck comprises an operation and brake system, a dynamical system, a transmission system, an electrical system, an air intake and exhaust system, a heat exchange system and a lifting system, wherein the lifting system is fixedly connected with a truck frame of the explosionproof internal-combustion forklift truck to be used for lifting heavy cargoes; the lifting system comprises forks, a bracket and a hydraulic device; the hydraulic device comprises two stages of hydraulic cylinder assemblies arranged in the front-rear direction; each stage of hydraulic cylinder assemblies comprises a left hydraulic cylinder set and a right hydraulic cylinder set, which are respectively arranged on two sides of the bracket; a flow splitting and baffling structure is arranged at the bottom of an oil cylinder of one of the two hydraulic cylinder sets, and comprises a movable part and a fixed part, which cooperate with each other; the movable part is provided with oil ports; the fixed part is provided with flow baffling walls; the movable part is positioned at the bottom of the movement stroke of a piston rod in the oil cylinder; the piston rod can push the movable part during the movement stroke, so that the flow baffling walls can shield the oil ports. The explosionproof internal-combustion forklift truck disclosed by the invention can effectively solve the technical problems that a lifting system of a conventional internal-combustion forklift truck is liable to shake during working, and the like.

The invention discloses a novel revolution and rotation integrated stirring defoaming machine which comprises a defoaming machine body. Positioning strips are fixedly arranged at one ends of the two sides of the defoaming machine body, first positioning rods are fixedly arranged at the two ends of the bottoms of the two positioning strips, and positioning plates are arranged at one ends of the outer walls of the four first positioning rods in a penetrating mode. And one ends of the outer walls of the four first positioning rods are connected with the two ends of the two sides of the top of the positioning plate in a penetrating and inserting mode correspondingly, and first springs are arranged at the other ends of the outer walls of the four first positioning rods in a penetrating and inserting mode correspondingly. The telescopic end of the electric telescopic rod fixed to one side of the stop block drives the baffle to move, the bottom end of the rack is meshed with a gear fixed to the middle of the outer wall of the lead screw to rotate, slight vibration of the defoaming machine body in the vertical direction is buffered through elastic deformation of a first spring, working vibration of the defoaming machine body is reduced, and the situation that friction vibration is easily generated in the defoaming machine and a shell due to vibration is avoided; and the practicability of the defoaming machine is improved.

The invention discloses an air compressor gear, which relates to the technical field of air compressor parts and components, and comprises an anti-rust treated wheel disc. The surface of the wheel disc is provided with a carburized layer; There is an alveolar between two adjacent teeth, and the two sides of the alveolar bottom are provided with arc-shaped chamfers; one end of the wheel is provided with a step hole, and the other end is provided with a tapered hole. The inner wall of the tapered hole has an anti-corrosion layer; the surface of the roulette is provided with a deduplication hole and a positioning hole. The gear of the present invention can effectively reduce the weight of the gear through the design of the heavy hole and the step hole, so that the gear of the air compressor has small load, small vibration and stable speed during transmission; The anti-corrosion layer can improve the anti-rust and corrosion ability of the gear; the arc-shaped chamfer design of the gear teeth can improve the anti-wear ability of the gear and greatly increase the service life of the air compressor gear.

The invention discloses a test board of a micro-tillage machine. A mounting plate (2) is mounted on a rack (1), and a pair of support blocks (3) extends perpendicularly and forwards at the lower part of the front side of the mounting plate (2); a flange plate (4) is arranged above the two support blocks (3); the flange plate (4) and a motor (5) on the back side of the mounting plate (2) are attached and fixed to the mounting plate (2); a driving shaft of the motor (5) is connected with a clutch in the middle of the flange plate (4); air cylinders (6) are evenly distributed on the left side and the right side of the motor (5); and piston rods of air cylinders (6) penetrate through the mounting plate (2) and then are movably sleeved with pressing blocks (7). According to the test board of the micro-tillage machine, the micro-tillage machine is assembled and fixed on the rack for testing, the assembling reliability of the micro-tillage machine is improved, vibration of the micro-tillage machine is reduced, and the testing accuracy is improved; and the air cylinders are used for controlling the assembly of the micro-tillage machine, the test board is simple, convenient and rapid, and the testing efficiency of the micro-tillage machine is improved.

The yarn tension bracket for the circular knitting machine comprises a base, supporting blocks are fixed to the two sides of the top end of the base, damping rotating shafts are rotationally installed in the supporting blocks, connecting bases are fixed to the ends, away from the outer walls of the supporting blocks, of the damping rotating shafts, and supporting frames are fixed to the bottoms of the connecting bases; a supporting block is installed in the supporting frame in a lifting mode, the top end of the supporting block extends to the outside of the supporting frame, a tension frame body is fixed to the top end of the supporting block, a wire separating frame is installed on the outer wall of one side of the tension frame body, and a partition block is fixed to the center of the bottom of the tension frame body. A U-shaped long block is fixed to the top end of the partition block. According to the device, multiple groups of silk threads can be tensioned, the phenomena of loosening and knotting of the silk threads are avoided, the arrangement number of tension brackets near the circular knitting machine is reduced, the working vibration of the silk threads is reduced, and the working reliability of the tension brackets is improved.

The invention provides a bottom foot for a household appliance and the household appliance. The bottom foot for the household appliance comprises a hydraulic plate, a protecting bush which is fixedlyconnected to the hydraulic plate, an adjusting foot which is arranged in the protecting bush and can axially move relative to the protecting bush and forms a storing chamber with the hydraulic plate and the protecting bush, and a hydraulic medium which is arranged in the storing chamber, wherein the adjusting foot is driven to axially move in the protecting bush to realize levelling by the compressing/ expansion of the hydraulic medium as the pressure changes; at least two bottom feet for the household appliance intercommunicate to realize the flowing of the hydraulic medium between the bottomfeet for the household appliance; a liquid flowing channel through which the hydraulic medium flows is arranged in the hydraulic plate; and at least one of the intercommunicated bottom feet for the household appliance is provided with a control device for controlling the liquid flowing channel to open/ close. According to the bottom foot for the household appliance, the control device is arrangedon the bottom foot for the household appliance; and the liquid flowing channel of the bottom foot for the household appliance is controlled to connect and disconnect to realize high levelling supporting effect.

The invention relates to a side bearing detecting, disassembling and assembling machine. The side bearing detecting, disassembling and assembling machine is characterized by being composed of a main machine frame (1), a clamping device (2), a working table (3) and a lifting device (4), wherein the distance between a first clamping head (21) and a second clamping head (22) of the clamping device (2) can be adjusted; a left elastic clamp (31) on the working table can be adjusted to the corresponding appropriate height according to the heights of different types of side bearing bases to meet the requirements of different models of side bearings; and a right clamp (34) can move horizontally, adjusts the distance between the left elastic clamp (31) and the right clamp (34) and is suitable for the side bearings of different sizes and structures, so that disassembly and assembly of various elastic side bearing bodies CBC-1, JC, JC-2, JC-3 and CJC-1 can be completed, and the side bearing detecting, disassembling and assembling machine is ideal equipment for detecting, disassembling and assembling of the side bearings of railway vehicles.

The invention discloses a booster pump station mutually supplementing water with a municipal water supply network, and belongs to the technical field of municipal water supply. The booster pump station mutually supplementing water with the municipal water supply network comprises a water tank, a water storage tank and a water supply tank, wherein the water supply tank is fixed to the bottom of the water tank; supporting rods are fixed to the top of the water supply tank; the four supporting rods are arranged along four corners of the top of the water supply tank; the water storage tank is fixed to the ends, away from the water supply tank, of the four supporting rods; a connecting pipe is connected to the upper end of the water storage tank; a booster pump is fixed to the end, away from a water storage pipe, of the connecting pipe; a damping assembly is arranged on the side face of the booster pump; a water connecting pipeline is fixed to the side face of the water storage tank; a water supply pipeline is fixed to the end, corresponding to the water connecting pipeline, of the water supply tank; a water supply pipe network water collection tank is arranged at the ends, away from the water tank, of the water connecting pipeline and the water supply pipeline; and the water connecting pipeline and the water supply pipeline extend into the water supply pipe network water collection tank. According to the booster pump station mutually supplementing water with the municipal water supply network provided by the invention, the pressure is automatically detected by arranging a floating ball, meanwhile, the floating ball makes contact with metal touch plates on the two sides to form a loop, and balance of the municipal water supply network is automatically controlled.