259results about How to "Vibration relief" patented technology

The invention discloses a combination bearing type large-specification movable elbow mechanism. The combination bearing type large-specification movable elbow mechanism comprises elbows, connection heads, a pressing cover, a packing seal component and a rotating component, wherein positions between the elbows and the connection heads as wall as between the elbows are fixedly connected through thepressing cover and are sealed through the packing seal component, cavities are formed at the positions between pressing cover and the connection heads as wall as between the pressing cover and the elbows and are internally provided with the rotating component, the rotating component is used for relative rotating of the connection heads or the elbows and comprises a centripetal bearing and a thrustbearing, and the elbows and the connection heads as wall as the elbows are flexibly connected. The combination bearing type large-specification movable elbow mechanism has the beneficial effects thatthe combination bearing type large-specification movable elbow mechanism is flexible in connection, smooth in rotating, simple in structure, not limited by the pipe diameter, also not limited by theelbow structure molding method, small in volume and diversified in molding method.

The invention relates to a machining method for a target material. The machining method for the target material comprises the following processing steps: levelling planes of a sputtering surface and the back face of a target material blank, and processing each side face of the target material blank so that thickness of the target material blank is the same as the predetermined thickness, and plane dimensions of the sputtering surface and back face of the target material blank are the same as the predetermined plane dimensions, wherein the levelling treatment process on the sputtering surface and back face of the target material blank comprises a primary plane levelling process and a secondary plane levelling process which are carried out on the sputtering surface and back face of the target material blank along the first direction and a finish machining plane levelling process carried out on the sputtering surface. By adopting the technical scheme, a multi-step levelling process is carried out on the sputtering surface or back face along the first direction, stress produced inside the target material and vibration produced to the target material by machining in a machining process can be effectively alleviated, so that the defects of deformation and the like can not be formed on the target material blank, quality of a machined target material is improved, and yield of the machined target materials is increased.

The invention discloses a while-drilling electrode current type dual lateral specific resistance logging instrument and a method. The while-drilling electrode current type dual lateral specific resistance logging instrument is mainly composed of three parts, namely a drill collar body, an electrode system and an electronic instrument body; and all electrodes of the electrode system are placed in an annular groove in the drill collar body in a 'sugarcoated haw clustering' mode, and the electronic instrument body is placed in an internal water hole of the drill collar body. According to the while-drilling electrode current type dual lateral specific resistance logging instrument and the method, stratum deep and shallow specific resistance curves are obtained in the modes of electrode currentdirect emission and electrode voltage and current measuring, and the stratum invasion characteristics are judged; and the while-drilling electrode current type dual lateral specific resistance logging instrument can measure in the well drilling process and can also measure in the drifting process after drilling, and the obvious advantage is achieved on specific resistance measuring of medium-high-resistance stratums.

The invention discloses a skirting and a washing machine and relates to the technical field of washing machine fittings. The skirting comprises a first skirting unit and a second skirting unit, wherein one end of the first skirting is connected with a to-be-supported piece, the other end of the first skirting unit is matched with the second skirting unit so that the second skirting unit can support the first skirting unit, and the second skirting unit can incline within a preset angle range relative to the first skirting unit. The invention further provides the washing machine provided with the skirting. The skirting is provided with the first skirting unit and the second skirting unit, and the second skirting unit can incline within the preset angle range relative to the first skirting unit. Therefore, when the to-be-supported piece, such as the washing machine, provided with the skirting is placed on an uneven ground, the second skirting unit of the skirting can rotate around the first skirting unit, so that levelness is adjusted automatically, and the skirting is stressed more uniformly. Besides, due to the fact that the two skirting units are in flexible connection, certain vibration energy can be consumed, and accordingly the vibration relieving effect is achieved.

The invention provides a lamp which comprises a lamp holder, a first fixing plate, a second fixing plate, a vibration reduction piece, a movable piece and a fixing base. The lamp holder is fixedly connected on the first fixing plate. The movable piece is arranged below the first fixing plate, one end of the movable piece is hinged with the first fixing plate, and the other end of the movable piece is connected with the fixing base. The vibration reduction piece can be movably connected between a supporting side wall and the second fixing plate in an abutting mode. When vibration happens, the vibration reduction piece can be stretched or compressed, so the vibration reduction piece can change the distance between the second fixing plate and the supporting side wall along with vibration, vibration of the second fixing plate is reduced, vibration of the lamp holder is reduced, and vibration is effectively prevented. The lamp has the advantages of being capable of lowering vibration frequency of the lamp, effectively lowering vibration degree, and achieving good anti-vibration effect.

The invention relates to an automobile active suspension PID controller design method based on a teaching optimization algorithm, and belongs to the technical field of active suspension control. An automobile active suspension system mathematical model is established according to the dynamic characteristics of the active suspension; a white noise random road surface input model is established according to the uneven road surface which can be felt at ordinary times; the design variables, the objective function and the constraint conditions of optimization design are reasonably selected according to the control objective of improving the riding comfort and guaranteeing the driving safety of the active suspension system; and the PID parameters are optimized by using the teaching optimizationalgorithm so as to obtain the optimal controller. The teaching optimization algorithm is less in independent parameter, simple in algorithm, fast in solving speed, high in accuracy and extremely highin convergence capacity. The teaching optimization algorithm is applied to the field of active suspension PID control to rapidly obtain the accurate and reliable active suspension control force so asto provide the practical basis for PID controller parameter selection. According to the method, the riding comfort and the driving safety of the vehicle can be enhanced and the product design and testcost can be reduced.

The invention relates to a door of drum-type washing machine, which is characterized in comprising the following parts: a door frame; a door glass with a protruding shape to the rear direction of the door frame; a rotatable hinged member connected with the main body of the drum-type washing machine; a locking device; an upper supporting member and a lower supporting member formed on the upper and lower part of the back of the door frame protruding to the backward of the door gate; and a elastic component formed on the upper supporting member protruding to the back of the door frame. When the door is closed, the elastic component contacts with the main body of the drum-type washing machine, and the impact is absorbed by elastic compression. The invention improves the structure of the door supporting member which contacts with the main body of the drum-type washing machine, thereby, can buffer the impact between the door and the main body while closing the door, and can make the door to open a certain angle automatically while opening the door.

The invention provides a hanging device of an automobile exhaust pipe, belonging to the automobile field. The hanging device solves the technical problem that the existing automobile adopts a single hanger to support an exhaust pipe to cause large vibration and dropping of the exhaust pipe so as to affect exhausting performance. In the invention, the hanging device of the automobile exhaust pipe is fixedly arranged on the bottom of the automobile chassis and comprises an upper hanger and a lower hanger, wherein, the upper hanger can be fixed with the automobile chassis, and the lower hanger can be movably connected with the automobile exhaust pipe. The hanging device of the automobile exhaust pipe is characterized in that the upper hanger and the lower hanger are connected by a lifting lug made of a rubber material, the lifting lug is in a strip shape, and the upper hanger and the lower hanger respectively pass through the upper end part and the lower end part of the lifting lug. The connecting pieces (1c, 2c) of the upper hanger and the lower hanger are provided with transverse arranged spouts (1e, 2e) in order to adjust the locating part of the lifting lug. The hanging device is composed of the upper hanger, the lower hanger and the lifting lug which causes two hangers to be connected, wherein, the lifting lug made of the rubber material can greatly prevent vibration of the automobile chassis from transmitting to the exhaust pipe so as to ensure reliable operation of an exhaust system.

The invention provides a motor support. The motor support comprises a body. The body comprises two supporting structures. The tops of the two supporting structures are connected to form an inverted V-shaped structure. A motor installing part is arranged on the top of the inverted V-shaped structure and used for being fixedly connected with a motor. Foundation feet are arranged at the bottoms of the supporting structures and used for being fixedly connected to equipment. The triangular structure similar to the inverted V shape is adopted in the motor support, the principle that the triangular structure is relatively stable is adopted, the motor is arranged on the top of the inverted V shape, and the two foundation feet are connected with a bottom plate to play a supporting role. By means of the motor support, the stability of the motor support is greatly improved, vibration of the whole machine is weakened as well, noise during running of the whole machine is lowered, and the quality is improved. The invention further provides an air conditioner outdoor unit.

The invention provides a fluid machine, a heat exchange apparatus and a running method of the fluid machine. The fluid machine comprises: an upper flange; a lower flange; a cylinder clamped between the upper flange and the lower flange; a rotating shaft, wherein the axle center of the rotating center and the axle center of the cylinder are eccentrically arranged, the eccentric distance is constant, and the rotating shaft sequentially traverses through the upper flange and the cylinder; and a piston assembly, wherein the piston assembly has a variable volume chamber, the piston assembly is pivotally arranged in the cylinder, and the rotating shaft is in driving connection with the piston assembly to change the volume of the variable volume chamber. The eccentric distance between the rotating shaft and the cylinder is constant, the rotating shaft and the cylinder rotate around respective axle centers in the movement process, and the positions of mass centers do not change, so the piston assembly stably and continuously rotates when moving in the cylinder, vibration of the fluid machine is effectively alleviated, regular volume change of the variable volume chamber is guaranteed, and the clearance volume is reduced, thereby the running stability of the fluid machine is improved, and the working reliability of the heat exchange device is improved.

The invention relates to the technical field of power transmission and particularly discloses an anti-backlash gear. The anti-backlash gear comprises a first side gear, a second side gear and a middle hub, wherein two sides of the middle hub are provided with a first clamping convex block and a second clamping convex block, the first side gear is provided with a first clamping concave opening corresponding to the first clamping convex block, the second side gear is provided with a second clamping concave opening corresponding to the second clamping convex block, the first side gear is connected on one side of the middle hub through matching of the first clamping concave opening and the first clamping convex block, the second side gear is connected on the other side of the middle hub through matching of the second clamping concave opening and the second clamping convex block, and the first side gear and the second side gear are relatively staggered in the peripheral direction. Two side gears of the anti-backlash gear can be directly assembled through the middle hub in a staggered mode, the time and labor are saved, and the anti-backlash gear is simple and compact in structure and small in occupied space while the purpose of eliminating gear backlashes is achieved.

The invention provides a stand column. The stand column comprises a stand column body, wherein the stand column body comprises a connecting surface; the connecting surface perpendicularly extends to the bottom surface from the top surface of the stand column body, and divides the stand column body into a front cavity and a back cavity; hoisting holes are formed in the connecting surface; a plurality of connecting surface reinforcing ribs which are arranged on the connecting surface are arranged in the front cavity, are connected with the left side wall and the right side wall of the stand column body, and are connected to the top surface and the bottom surface of the stand column body; the connecting surface reinforcing ribs and the hoisting holes are staggered; the back cavity does not have a top surface; mounting slide tracks are integrally formed on the back of the back cavity, are symmetrically arranged on two sides of the outside of the back cavity, and downwards extend to the position above the bottom surface from the top surface of the stand column; supports are arranged on the lower portion of the stand column body, extend to two sides from the position below the bottom surface and are symmetrically distributed, so that a bottom groove is formed below the bottom surface; and mounting holes are formed in each support. The stand column is low in cost and high in strength,and is firmly and stably combined to a base of a machine tool.

The invention discloses a production method for a light-gauge hot rolled steel plate, which comprises the steps that: a. the distance between an upper roller and a lower roller of each frame of a hot strip mill is adjusted and the percent of reduction epsilon 1 of a first frame is adjusted to be 53 percent to 63 percent, wherein, the epsilon 1 is equal to (H1-h1)/H1, therein, H1 is the thickness of a slab at an inlet of the frame, h1 is the thickness of a slab at an outlet of the fame; b. high temperature slabs are sent to a rolling inlet of the frames that are arranged in sequence for rolling; c. the light-gauge hot rolled steel plate is output from a rolling outlet of a last frame after the slabs are rolled by the varied frames. The invention promotes the percent of reduction of the first frame as high as possible when ensuring security to reduce the load of rollers of rear frames, thereby improving rolling efficiency and product quality.

A coolant circulation system for turbochargers is provided. The coolant circulation system includes a turbocharger provided with a coolant outlet line and a coolant inlet line. The coolant is discharged from the turbocharger through the coolant outlet line. The coolant outlet line is connected to a first flow path connecting an inlet port of a radiator to an outlet port of a heater core. The coolant is supplied into the turbocharger through the coolant inlet line. The coolant inlet line is connected to a second flow path connecting a first end of a water pump to an inlet port of the heater core.

The invention discloses common cropping equipment for ultralow-temperature environment-friendly leather lining cloth machining. The common cropping equipment comprises a machine case body, a croppingbin is installed at the middle portion of the upper surface of the machine case body, damping bases are fixed to the four corners of the bottom of the machine case body, a filtering box is installed at the middle portion of the bottom of the interior of the machine case body, an isolating plate of a hollow structure is arranged at the connecting position of the machine case body and the cropping bin, an air conveying pipe is connected to the middle position of the top end of the interior of the machine case body, and the isolating plate communities with the filtering box through the air conveying pipe. The common cropping equipment is provided with the filtering box, a drawer type filtering net and an induced draft fan, crushed filters easily generated in the cloth cropping process are collected, worker working environment pollution caused by discharge of air inside the cropping bin is prevented, the worker working environment quality is improved, and the equipment environment-friendlyperformance is improved; and the damping bases are arranged, vibration generated during equipment cropping is buffered, equipment stable cropping is achieved, and the lining cloth cropping quality isimproved.

The invention provides a compressor, heat exchange equipment and a running method of the compressor. The compressor comprises an upper flange, a lower flange, at least two gas cylinders, a rotating shaft assembly and a piston assembly; the at least two gas cylinders are sandwiched between the upper flange and the lower flange, and any two adjacent gas cylinders communicate with each other, so that the compressor is a multi-stage compressor; the rotating shaft assembly sequentially penetrates through the upper flange, the gas cylinders and the lower flange and comprises subsidiary rotating shafts in one-to-one correspondence with the at least two gas cylinders, axes of the subsidiary rotating shafts and axes of the gas cylinders corresponding to the subsidiary rotating shafts are arranged eccentrically, and the eccentric distance is fixed; the piston assembly comprises variable-volume cavities in one-to-one correspondence with the gas cylinders and can be arranged in the gas cylinders in a pivoted manner, and at least one subsidiary rotating shaft is in driving connection with the piston assembly to change the volume of the variable-volume cavities. With the compressor, vibration can be effectively alleviated, the volume change of the variable-volume cavities has a rule, and the clearance volume is reduced, so that the running stability of the compressor is improved.

A potato planting machine matching with a hand tractor for use is disclosed. The machine comprises a big rack; a driving rack, which is used for connecting a hand tractor, is arranged on the front end of the big rack; ground wheels, which are used for moving, are arranged on the bottom of the big rack; a seed box is arranged on the big rack; a vertical seed transporting pipe is arranged in front of the seed box; a seed lifting shaft is arranged above the seed box, a seed lifting chain with a seed lifting spoon is arranged between the seed lifting shaft and one output shaft of a four-speed speed controller; a wood vibration preventing board is arranged on the side wall of the seed box behind the seed lifting chain; and the input shaft of the four-speed speed controller is connected to a ground wheel shaft through a chain. The potato planting machine integrates the functions of ditching, fertilizing, sowing, ridging and pressing together, and is capable of precisely lifting the potatoes to the seeding transporting pipe and sowing the potatoes evenly. The wood vibration preventing board can prevent the potato seeds from falling back to the seed box because of vibration, and thus the seed lifting rate is improved. The free adjustment of the row spacing of the potatoes in a certain range is achieved through the design of the four-speed speed controller, and the requirement of farmers is satisfied. The vibration and resistance during the work process can be relieved by the damping spring.

The invention relates to the technical field of chip manufacturing and discloses chip integrated manufacturing auxiliary equipment based on a light pressure principle. The equipment comprises a rotarydisc, wherein a closed box is fixedly and movably connected with the bottom of the rotary disc, a rotary shaft is movably connected into the closed box, a surface of the rotary shaft is sleeved witha shell, a shading disc is movably connected with a top wall of the interior of the shell, a light pressure mechanism is movably connected with the bottom of the shading disc, adjusting springs are movably connected with two sides of the light pressure mechanism, and the light pressure mechanism comprises a light emitting plate. The limiting spring is pulled to move, a carving plate is in contactwith the shading disc, specific images are formed, after glue uniformizing is completed, the wavelength generated by a light wave box is adjusted, the light emitting plate generates a light source, anadjusting plate and the adjusting springs are moved according to an imaging distance between the carving plate and the rotary disc, an irradiation range of the light emitting plate can be enlarged and shrunk, developing photoetching is conducted on the light emitting plate, and thereby the effect that the photoetching process can be completed through one-time positioning without transferring is achieved.