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

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.

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.

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.

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.

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.

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.

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.

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.

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.