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92results about How to "Reduce shock transmission" patented technology

Propeller shaft

A propeller shaft for a vehicle includes a shaft having locking protrusions on an outer circumference, a tube having locking grooves on an inner circumference into which the shaft is inserted, the locking grooves engaging with the locking protrusions to form the spline coupling, a dynamic damper inside the tube to correspond to an end of the shaft and absorbing vibrations transmitted from a driving system, and a rubber stopper interposed between an outer circumference of the dynamic damper and the inner circumference of the tube to support the dynamic damper and correspond to the end of the shaft to limit sliding of the tube at normal times. The rubber stopper is broken by a pushing operation of the tube when an impact load greater than a collapse load of the rubber stopper acts on the rubber stopper, thereby permitting the sliding of the tube.
Owner:HYUNDAI MOTOR CO LTD

Magnetic vibration reducing method and vibration dampener

The magnetic damping method and the dashpot are to form the air space to generate the damping effect by the repellant formed between the magnetic poles. The dashpot is set with the up magnet and the down magnet according to the same polar between which the air space with the thickness changed by the load or vibration is formed from the repellant. The dashpot has the simple structure, low cost and not only decreases the vibration disturbance of 20Hz but below 20Hz.
Owner:张小建

Auxiliary frame mounting point structure

The invention aims at providing an auxiliary frame mounting point structure. The auxiliary frame mounting point structure can realize drop in a collision process and reduce harm on a passenger in a passenger compartment. The auxiliary frame mounting point structure comprises an auxiliary frame provided with a mounting support and a longitudinal beam. The auxiliary frame mounting point structure is characterized inthat an internal screw thread sleeve with the bottom end open is fixed on the longitudinal beam; the mounting support is composed of a tubular support body with the two ends open and a cap body fixedly arranged at the top end of the support body, gaps corresponding in position are formed in the front end of the cap body and the front end of the upper part of the support body, a guide slot connected with the gaps is formed in the cap body, and the guide slot extends along the length direction of an automobile; and the auxiliary frame is fixedly connected with the longitudinal beam by utilizing a bolt which penetrates through the support body and the cap body and is screwed into the internal screw thread sleeve, and an anti-drop part with the diameter larger than the width of the guide slot is arranged at the bottom end of the bolt. The auxiliary frame mounting point structure has the advantages that the auxiliary frame can drop in the collision process and harm done to a passenger can be reduced.
Owner:CHERY AUTOMOBILE CO LTD

Propeller shaft

A propeller shaft for a vehicle includes a shaft having locking protrusions on an outer circumference, a tube having locking grooves on an inner circumference into which the shaft is inserted, the locking grooves engaging with the locking protrusions to form the spline coupling, a dynamic damper inside the tube to correspond to an end of the shaft and absorbing vibrations transmitted from a driving system, and a rubber stopper interposed between an outer circumference of the dynamic damper and the inner circumference of the tube to support the dynamic damper and correspond to the end of the shaft to limit sliding of the tube at normal times. The rubber stopper is broken by a pushing operation of the tube when an impact load greater than a collapse load of the rubber stopper acts on the rubber stopper, thereby permitting the sliding of the tube.
Owner:HYUNDAI MOTOR CO LTD

Exhaust pipe support

An exhaust pipe support comprises a support body (1). Two installation holes (2) are arranged on the support body (1), axes of the two installation holes (2) are parallel to each other, connecting sleeves (3) are arranged inside the installation holes (2), the external diameters of the connecting sleeves (3) are smaller than diameters of the installation holes (2), and the installation holes (2) and the connecting sleeves (3) are connected through rubber layers (4). Compared with the prior art, the external diameters of the connecting sleeves are smaller than diameters of the installation holes, the installation holes and the connecting sleeves are connected through the rubber layers, the rubber layers have a good elastic deformation function and have a good shock-absorbing effect, the shock does not transmit between an exhaust pipe and a car frame easily under the condition that the shock of the exhaust pipe and the car frame is filtered by the rubber layers, the shock of the car frame cannot affect the exhaust pipe, the shock of the exhaust pipe is small, and the failure condition of the exhaust pipe, such as rupture, cannot occur easily. Simultaneously, after the rubber layers absorb the shock of the exhaust pipe and the car frame, and the noise due to the car frame and exhaust pipe shock is low during car driving.
Owner:NINGBO QIANHUI AUTOMOBILE MOLDING

Spray device of spray drying equipment for needled filter bag machining

The invention provides a spray device of spray drying equipment for needled filter bag machining and belongs to the technical field of machinery. Through the spray device, the problem that an existing spray device is poor in spray quality is solved. According to the spray device of the spray drying equipment for needled filter bag machining, the spray drying equipment comprises a machine frame and an obstruction box which is fixed to the machine frame and provided with an inlet and an outlet, the spray device is arranged in the obstruction box and comprises a delivery pump, a storage box, an upper sprayer and a lower sprayer, an inverted-U-shaped mounting rack is fixedly arranged in the obstruction box, the storage box is located in the mounting rack, the delivery pump is arranged on the mounting rack, an inner cavity of the obstruction box is communicated with an inlet of the delivery pump through a connecting pipe, and multiple springs are vertically arranged in the mounting rack. The spray device further comprises a t-branch pipe, wherein one end of the t-branch pipe is a liquid-in end communicated with an outlet of the delivery pump, the other two ends of the t-branch pipe are both liquid-out ends, and the two liquid-out ends are communicated with the upper sprayer and the lower sprayer respectively. The spray device has the advantage of being good in spray quality.
Owner:ZHEJIANG YUBANG FILTER MATERIAL TECH CO LTD

Explosion-proof passenger seat

The invention provides an explosion-proof passenger seat and belongs to the technical field of vehicles. The explosion-proof passenger seat can be used for allowing a passenger in a vehicle to bear a large acceleration caused by explosion and effectively reducing the impact caused to the passenger by explosion. The explosion-proof passenger seat comprises a lifting ring (1), a lifting strap assembly (2), a seat frame (5), a limiting sliding sleeve (6), a sliding sleeve (7), a power absorber (10) and a pin (11). By adopting a lifting structure, vibration can be effectively reduced and pressure transmission can be prevented, so the sitting comfort degree is increased. The power absorber is mounted on the seat frame, so a part of energy of explosion impact can be effectively absorbed, the impact transmitted to the body of the passenger is ensued to be lower than the tolerance limit of a human body, and the passenger is protected from injuries caused by the explosion impact.
Owner:BEIJING NORTH VEHICLE GROUP CORP

Pesticide spraying farm machine with pesticide spraying frame damping device

InactiveCN107912406APrevent the decline of efficacyReduce shock transmissionInsect catchers and killersGasolineEngineering
The invention discloses a pesticide spraying farm machine with a pesticide spraying frame damping device. The pesticide spraying farm machine comprises a supporting frame, a tray is arranged in the supporting frame and connected with the supporting frame through a damping rod, a chemical box, a gasoline engine and a device box are sequentially arranged on the tray from front to rear, a pesticide spraying pipe is arranged on the upper end of the chemical box, a sprayer is arranged at the end of the pesticide spraying pipe, a water pump is arranged in the chemical box and communicated with the pesticide spraying pipe through a guide pipe, a spring plate is arranged below the supporting frame, and two ends of the spring plate are fixedly mounted on the supporting frame through U-shaped bolts.The pesticide spraying farm machine automatically sprays pesticide by the aid of a device automatically spraying the pesticide, the device is flexible and convenient and can adapt to complicated landforms, and the problem of vibration is effectively solved by the aid of a hanging damping structure.
Owner:霍邱县夏时农机制造有限公司

Vibration reduction structure of reciprocating compressor

A vibration reduction structure of a reciprocating compressor comprises: a case having a suction pipe for introducing a refrigerant and a discharge pipe for discharging a refrigerant at both sides thereof; an assembly installed in the case to compress a refrigerant and composed of a cylinder, a piston, a driving unit, and a discharge valve assembly; a loop pipe installed between the discharge valve assembly and the discharge pipe with a curved shape; and a connection unit for connecting a first point of the loop pipe and a second point of the loop pipe facing the first point and thereby reducing a vibration transmission. According to this, vibration generated as the piston is operated can be transmitted to the compressor through many paths including the loop pipe and the additional connection unit. Also, generated vibration can be canceled to each other due to its phase difference, thereby preventing vibration from being transmitted to the entire case. Also, a damage of the connection part of the loop pipe due to vibration can be prevented, and a reliability of the product can be enhanced.
Owner:LG ELECTRONICS INC

Automatic aluminum plate bending machine

InactiveCN111346951ATightly clampedAvoid bend angle changesEngineeringMachine
The invention discloses an automatic aluminum plate bending machine, and relates to the technical field of bending machines. The automatic aluminum plate bending machine comprises a mounting plate, wherein a workbench is fixedly connected to the surface of the top of the mounting plate, and a bidirectional lead screw is rotationally connected between the inner walls of the workbench; and first sliding sleeves are rotationally connected to the two sides of the surface of the bidirectional lead screw, the tops of the first sliding sleeves are fixedly connected with connecting rods, and the connecting rods penetrate through the top of the workbench and extend out of the workbench. According to the automatic aluminum plate bending machine, aluminum plates with different specifications can be tightly clamped and fixed, the situation that the bending angle is changed due to the fact that the aluminum plates move when the bending machine carries put bending operation is effectively avoided, and meanwhile, when the bending machine is transported or carried, vibration transmission of the bending machine in the vertical direction can be reduced, so that damage to parts of the bending machinedue to excessive vibration during transportation or carrying of the bending machine is effectively avoided.
Owner:连云港富鑫包装有限公司

Intelligent building monitoring device

The invention discloses an intelligent building monitoring device which comprises a shell assembly, a monitoring assembly and a shock absorption assembly. The shock absorption assembly comprises a shading cover, a rubber shock absorber, a mounting rod and a spring shock absorber, the shading cover is positioned on the top of the outer side wall of a fixing seat and is fixedly connected with the fixing seat, the rubber shock absorber is positioned on the upper surface of the fixing seat and is fixedly connected with the fixing seat, and the mounting rod is positioned on the upper surface of therubber shock absorber. The intelligent building monitoring device has the advantages that the spring shock absorber is arranged on the right side wall of the mounting rod, shock transmission betweenmounting bodies and the mounting rod can be relieved by the aid of spring shock absorption principles, influence of external shock on a monitoring camera can be reduced, the photographing quality further can be enhanced, and excellent photographing effects can be realized by the monitoring camera; the rubber shock absorber is arranged between the fixing seat and the mounting rod, conduction of theexternal shock can be accessorily relieved by the aid of rubber shock absorption principles, and accordingly stable photographing can be assuredly carried out by the monitoring camera.
Owner:海宁宏厦装饰新材料科技有限公司

Carbon fiber automobile hub and manufacturing method thereof

The invention discloses a carbon fiber automobile hub. The carbon fiber automobile hub comprises a rim, an axle hub and a plurality of spokes. A center place of the axle hub is provided with an axle installing hole. The rim is a carbon fiber rim. An outer side surface of the axle hub is circumferentially provided with a plurality of first spoke installing holes. An inner side surface of the rim iscircumferentially provided with a plurality of second spoke installing holes. A fastening component for fixing the spoke is installed in the second spoke installing hole. One end of the spoke is fixedly installed in the first spoke installing hole, and the other end is stretched into the second spoke installing hole and locked and fixed through the fastening component. The rim is further providedwith an assembling hole for enabling the fastening component to be assembled in the second spoke installing hole. The invention further discloses a manufacturing method for the above carbon fiber automobile hub. The hub is formed by the rim, the spokes and the axle hub. Each part is separately formed or processed, production time is shortened, and production efficiency is improved. The rim is connected with the axle hub through the spokes, vibration transmission can be effectively reduced, the good damping effect is achieved, and a travelling comfort level is improved.
Owner:XIAMEN HONGJI WEIYE INDAL

Tin soldering device with pin protection function for electronic part assembling

The invention relates to a tin soldering device with a pin protection function for electronic part assembling. The tin soldering device comprises an equipment shell and a second belt conveyor, whereina first motor is installed at the lower end of the equipment shell, a rotating platform is arranged in the middle of the lower wall of the interior of the equipment shell, a positioning support is fixed to the rotating platform, a pin shearing mechanism and a first belt conveyor are sequentially arranged on the lower wall of the interior of the equipment shell anticlockwise, an electronic part body is placed at the upper end of the equipment shell, a first electric sliding rail is arranged on the rear wall of the equipment shell, and a second multi-section hydraulic cylinder is installed at the lower end of the first electric sliding rail. The tin soldering device with the pin protection function for electronic part assembling has the beneficial effects that pins of capacitors are inserted into pin protection sleeves to be protected, so that the situation of waste caused by the fact that the pins are bent or damaged due to collision and other problems in the conveying process and thecapacitors cannot be used consequently is prevented.
Owner:东莞市帕特慕可科技有限公司

Dynamic damping self-resetting system of operation controller of air compressor for special vehicle

The invention discloses a dynamic damping self-resetting system of an operation controller of an air compressor for a special vehicle. The dynamic damping self-resetting system comprises a box body, and a pressure indicator connected with a high-pressure gas cylinder, a manual button used for controlling an electromagnetic clutch to be switched on and switched off, a working condition option switch used for starting the manual button or switching on the electromagnetic clutch, a manual working condition lamp and an automatic working condition lamp are arranged on the front surface of the box body; the high-pressure gas cylinder is connected with the air compressor; the electromagnetic clutch enables a rotating shaft of the air compressor to be connected with power; and the manual button and a delay relay are connected on a turn-on circuit of the electromagnetic clutch in a parallel manner. According to the dynamic damping self-resetting system, intermittent operation of the air compressor is achieved, the air compressor can be automatically turned off in set time according to the pressure condition in the high-pressure gas cylinder under the automatic working condition, and can befurther turned off at any time under the manual working condition, a dynamic damping effect is achieved, besides, the mounting structure is stable and reliable, and the service life of the controlleris guaranteed.
Owner:JIANGLU MACHINERY & ELECTRONICS GROUP

Regional anti-seismic cable bridge

The invention discloses a regional anti-seismic cable bridge comprising a bridge body. The cross section of the bridge body is U-shaped. The left side surface of the bridge body is fixedly connected with inserting blocks. The positions, which are corresponding to the inserting blocks, of the right side surface of the bridge body are provided with inserting grooves. The inserting blocks are provided with first screw holes. The internal wall close to the external side surface of the bridge body in the inserting grooves is provided with second screw holes. According to the regional anti-seismic cable bridge, the left side surface of the bridge body is fixedly connected with the inserting blocks, the positions, which are corresponding to the inserting blocks, of the right side surface of the bridge body are provided with the inserting grooves, the inserting blocks are provided with the first screw holes, internal wall close to the external side surface of the bridge body in the inserting grooves is provided with the second screw holes, the two adjacent bridge bodies can be connected in an inserting way through the inserting grooves and the inserting blocks, and then the bolts are utilized to be screwed into the first screw holes and the second screw holes to fix the adjacent bridge bodies so that the structural strength can be effectively enhanced in comparison with the conventional connecting structure of using the connecting rods and the bolts and thus the anti-seismic capacity is higher.
Owner:江苏大浪电气集团有限公司

Damping structure for knapsack equipment

The invention discloses a damping structure for knapsack equipment. The damping structure comprises a back frame used for backpacking of people, a water tank loaded and mounted on the back frame, a motor pump and an engine. The back frame is of board structure, and a support is perpendicularly fixedly connected with a plane of the board structure of the back frame in the vertical direction. The motor pump and the engine are flexibly suspended and fixed with the support through elastic materials after being in shaft connection with each other and are respectively arranged on two sides of the support. By adopting the open back frame and the perpendicularly mounted support structure, damping units are balanced and suspended on two sides of the support, and vibration transmission of the equipment is reduced to the greatest extent by a plurality of flexible suspending structures. The damping structure is integrally simple in structure and more accordant with requirements of human comfort, and is better in damping since all structures are matched better.
Owner:DONGGUAN SIHUIWEI ELECTRONICS TECH CO LTD

Permanent-magnet torque adjuster

The invention relates to the field of the transmission speed regulation technology, especially to a permanent-magnet torque adjuster. The permanent-magnet torque adjuster comprises a conductor rotator and a permanent-magnet rotor. The conductor rotor includes a conductor support; and a conductor ring is arranged at the conductor support. The permanent-magnet torque adjuster includes a fixed support; and a permanent magnet ring is arranged at the fixed support. And the conductor ring and the permanent magnet ring are coupled by a non-contact way; and magnetic lint cutting is realized by relative rotation. According to the invention, the torque is transmitted and adjusted by the non-contact way of the conductor and the permanent magnet, thereby achieving objectives of speed regulation and energy conservation.
Owner:周庆根

Horn shock absorber

InactiveCN102421039AReduce chance of resonanceReduce cushioning materialTransducer detailsLoudspeakerEngineering
The invention discloses a horn shock absorber, comprising a primary shock absorption buffer pad, a support, a secondary shock absorption buffer pad and a fastening member, wherein the primary shock absorption buffer pad is fixed on the support of the shock absorber through the fastening member, and the secondary shock absorption buffer pad is arranged in the support in a buckling way. The horn shock absorber provides a shock absorption scheme for horn vibration of electronic products such as televisions, and the like, the vibration of a horn / loudspeaker, transferred onto equipment, is greatly reduced, the probability of resonance generated by a product is reduced, the consumption of a buffer material on a resonance generation position of the product is reduced, the production cost is reduced, and the product quality is improved.
Owner:厦门市晟弘电子有限公司

Compressor mounting assembly and refrigeration appliance

The invention belongs to the technical field of compressor installation and discloses a compressor mounting assembly and a refrigeration appliance. At least two U-shaped grooves formed in a rear bracket are matched with at least two fixing columns with caps on a bottom plate, and then, a front bracket is connected with the bottom plate through a bolt to mount and fix a compressor; and during the mounting process, only one bolt needs to be fastened, so that the labor intensity of a worker is low, the mounting speed is high, and the assembling efficiency is high. The invention further provides the refrigeration appliance. The compressor of a refrigeration system is fixed through the compressor mounting assembly. After adopting the compressor mounting assembly, the assembling efficiency of the refrigeration appliance can be greatly accelerated, the bolt usage and the labor cost are reduced, and the assembling cost is reduced.
Owner:HEFEI HUALING CO LTD +2

Multi-layer vibration-preventive and sound insulated type reinforced wood floor with metal supporting column and wood frame structure

The invention provides a multi-layer vibration-preventive and sound insulated type reinforced wood floor with a metal supporting column and wood frame structure. The floor comprises a surface layer, a bottom layer and a medium layer. The floor is characterized in that rubber padding feet and metal supporting columns are arranged at the ground contacting part of the bottom layer; rubber supporting parts are arranged on the metal supporting columns; a wood supporting frame is fixedly connected to the rubber supporting parts; a sawdust board, a foaming layer and a laminated wood board are arranged at the medium layer from bottom to top by layers; a single wood board, a wood grain layer, an ultraviolet-curing finish paint layer and an ultraviolet-curing finish paint layer are arranged on the surface layer from bottom to top by layers. According to the multi-layer vibration-preventive and sound insulated type reinforced wood floor with the metal supporting column and wood frame structure, the metal supporting columns and wood frame structure is adopted and combined with the sawdust board, the foaming layer and the laminated wood board to act, thus the outstanding sports treading buffering effect is reached, and the vibration and noise transmitted from the surface layer of the floor to the ground can be greatly reduced; in addition, a buffering chamber and a rubber buffering pad are arranged below the part in which the sports are strenuous, and therefore, the vibration and noise transmission can be further reduced.
Owner:CHENGDU NASHUO TECH

Multi-maneuvering-mode mobile intelligent robot

The invention discloses a multi-maneuvering-mode mobile intelligent robot and relates to the technical field of intelligent robots, in particular to a multi-maneuvering-mode mobile intelligent robot.The multi-maneuvering-mode mobile intelligent robot comprises a buffering base and a stable supporting structure, wherein a hydraulic lifting structure is arranged below the buffering base; and the stable supporting structure comprises a supporting platform, a damping buffering column, a damping spring and a piston column, the damping spring is arranged in the lower end of the damping buffering column, and a power transmission structure is arranged below the stable supporting structure. According to the intelligent robot capable of being moved stably and with a carrying function, the structureis increased, the usability of the whole device is improved, the improved equipment has good buffering and damping capacity in the using process, the resonance phenomenon occurring in the moving process of the equipment is reduced as much as possible, the stability degree of carried articles is improved, the display of the equipment and the articles due to unstable gravity center can be avoided,and the use requirements of people can be effectively met.
Owner:DONGGUAN UNIV OF TECH

Stator and compressor

The present invention provides a stator and a compressor, and relates to the technical field of compressors. The stator comprises a stator body, fan-shaped protrusions are arranged on an iron core onthe outer edge of the stator body, and the number of the fan-shaped protrusions is determined according to the maximum common divisor of the number of motor tooth grooves where the stator is installed. By arranging the fan-shaped protrusions, the contact area between the stator and the machine body is reduced, contact between the stator and the machine body is reduced, vibration transmission is weakened, and the noise reduction effect is achieved. The compressor comprises a shell and further comprises the stator, the shell comprises an upper shell body and a lower shell body, and the lower shell body is provided with openings used for installing the fan-shaped protrusions of the stators. According to the compressor, the openings matched with the stator are formed in the lower shell to addconnection between the stator and the shell, so that the overall rigidity of the compressor is improved, vibration is reduced, and the noise reduction effect is achieved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Printer for industrial design

The invention provides a printer for industrial design, which relates to the field of industrial design. The printer for industrial design comprises an X horizontal axis. The X horizontal axis is in transmission connection with a transmission base; the left side of the transmission base is welded and fixed to a connecting block below the X horizontal axis; a damping device is fixedly connected tothe left side of the connecting block; a cooling fan is connected to the damping device; an input end of the cooling fan is electrically connected with a flexible wire; the inside of the damping device is provided with a magnetic device; and a nozzle is fixedly connected to the bottom of the transmission base. According to printer for industrial design, one end of a damping spring away from a fixed block is connected with a connecting shaft, a connecting seat and the cooling fan through a damping spring fixedly connected to the right side of the fixed block, so that damping operation can be performed during high-speed rotation process of the cooling fan, and the jitters generated when the cooling fan rotates and transmits to the nozzle is effectively reduced, so that the D printer can reduce the jitter in the printing process, and the printing accuracy is improved.
Owner:芜湖文青机械设备设计有限公司

Laundry Treatment Apparatus

The invention relates to a laundry treatment apparatus. The laundry treatment apparatus may include a cabinet defining an appearance of the laundry treatment apparatus, a drum provided in the cabinet and configured to hold laundry, a connecting duct configured to communicate with the drum, a lint filter unit that is mounted to an inner surface of the cabinet that is accessible from a front surface of the cabinet, and that is configured to communicate with the connecting duct to filter pollutant and a lock unit configured to selectively lock the lint filter unit to the connecting duct, where the lock unit includes a rotatable lock body, a shaft configured to rotate together with the lock body, at least one bent portion, and a lock guide with at least one bent section.
Owner:LG ELECTRONICS INC

Dry and wet elastic wave hole bottom cave and subterranean cavitation detection device and method

The invention discloses a dry and wet elastic wave hole bottom cave and subterranean cavitation detection device and method. The device comprises a probe; the probe comprises an elastic wave emittingassembly, multiple receiving transducer assemblies distributed on the outer circumference of the elastic wave emitting assembly and a probe circuit board assembly; the elastic wave emitting assembly comprises a connecting cavity body, the upper part and the lower part of the connecting cavity body is provided with a circuit board cavity body and a seismic source; the circuit board cavity body is internally provided with the probe circuit board assembly; the seismic source is electrically connected with the probe circuit board assembly; each receiving transducer assembly comprises a sound wavereceiving transducer, a transducer height adjuster and a connecting pipe; one end of each connecting pipe is connected with the connecting cavity body and the other end is fixed with the correspondingtransducer height adjuster through a flange; a first damping pad is disposed between the two flanges; and the sound wave receiving transducer is electrically connected with the probe circuit board assembly. Full-area detection of the hole bottom cave in different environments can be realized; and through the contact stability between the probe and a detection surface and the signal reliability, the detection accuracy is improved.
Owner:武汉天宸伟业物探科技有限公司

Radiator fan frame

A radiator fan frame comprises a frame body, a base, a plurality of fins and a plurality of obstructing parts. The frame body is provided with an annular plate and a side wall, the side wall is extended by the outer periphery of the annular plate in the axial direction, and the centre of the base is provided with a coupling part; one end of each fin is connected with the inner periphery of the annular plate, and the other end of each fin is connected with the outer periphery of the base; each obstructing part is arranged between the annular plate and the base. Therefore, the radiator fan frame can achieve the effect that the vibration transmission is reduced for lowering the resonance and noise under the premise that the radiator fan frame is kept at a better structural strength.
Owner:SUNON ELECTRONICS KUNSHAN

Direct-current water pump installation structure of central gas water heater

The invention discloses a direct-current water pump installation structure of a central gas water heater. A direct-current water pump is connected with the central gas water heater through a water pump supporting plate. The structure is characterized in that an ethylene propylene diene monomer rubber pad is arranged between the water pump supporting plate and the central gas water heater, the water inlet end of the direct-current water pump is connected with a water inlet pipe of the central gas water heater through a first hose, and the water outlet end of the direct-current water pump is connected with a heat exchanger of the central gas water heater through a second hose. According to the structure, rigid connection between the direct-current water pump and the central gas water heateris avoided, vibration of a direct-current water pump body is buffered by the ethylene propylene diene monomer rubber pad, vibration of a water inlet and a water outlet of the direct-current water pumpis buffered by the braided hoses, the portion between a bottom cover of the direct-current water pump and the water pump supporting plate is buffered by the ethylene propylene diene monomer rubber pad, and noise generated in the working process of the direct-current water pump is greatly reduced.
Owner:GUANGDONG MACRO GAS APPLIANCE

Damping chassis system and mobile device

The invention provides a damping chassis system which comprises a chassis, a first wheel set, a first cantilever frame, a second wheel set, a second cantilever frame and a first damping elastic piece,the first wheel set and the second wheel set are both installed on the chassis, the first cantilever frame is rotationally connected to the chassis and the first wheel set, and the second cantileverframe is rotationally connected to the chassis and the second wheel set. The first damping elastic piece is connected between the first wheel set and the second wheel set. According to the damping chassis system, the first cantilever frame and the second cantilever frame are rotationally connected between the wheel sets and the chassis, the height of the chassis can be adjusted according to road conditions so as to adapt to different road conditions, impact force transmitted to the chassis from an uneven road surface can be buffered, vibration caused by the impact force can be reduced, and meanwhile vibration transmission between the first wheel set and the second wheel set can be reduced or avoided through the first damping elastic piece, so that it is guaranteed that the movable device can run smoothly.
Owner:GUANGDONG BOZHILIN ROBOT CO LTD

Efficient and energy-saving road construction method

The invention discloses an efficient and energy-saving road construction method. The efficient and energy-saving road construction method comprises the steps of soil foundation rolling compaction, soil foundation tamping, concrete pouring, concrete vibration, finishing maintenance and maintenance, construction is conducted through a vibration tamping, and the vibration tamping comprises a vibration tamping rack, a control panel is fixedly installed on one side of the top end of the vibrating tamping rack, and a vibrating motor is installed at the position, corresponding to one side of the control panel, of the top end of the vibrating tamping rack. The efficient and energy-saving road construction method has the advantages that the efficient and energy-saving road construction method is scientific and reasonable in structure and safe and convenient to use, the vibrating and tamping efficiency of concrete can be improved by the aid of a vibrating and tamping adjusting mechanism, resource and energy waste during concrete vibration is reduced, economic benefits during concrete vibration are improved, the horizontal plane and the inclined plane can be tamped through the arranged adjusting and tamping mechanism, the inclined plane tamping difficulty is reduced, the soil foundation surface tamping efficiency is improved, and the soil foundation surface tamping effect is guaranteed ina double-effect mode.
Owner:佛山市国林建设工程有限公司
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