48results about How to "Simple and reliable installation" patented technology

The installing method and installing configuration of match weight block for the barrel roller washing machine, its configuration consists of the outer case of the washing machine, a weight match block on which there are installing holes. There is fixed device incorporated with case for the installing of the weight match block which is installed on the fixed device through the installing holes, and the weight match block can fix on the case of the washing machine by the tighten fixed device. This invention can obtain a more convenient installing method by the replacement of the bolt device by the swell blot on the base of no changing the current configuration of the weight match block. It can save the cost, process and working intensity largely.

The invention provides a welding-slag splashing prevention device. The welding-slag splashing prevention device comprises a front baffle, a first lateral baffle, a second lateral baffle and a hook, wherein the front baffle is located at the front end of the first lateral baffle and the front end of the second lateral baffle and fixed between the first lateral baffle and the second lateral baffle; the hook is in an inverse-U shape, the top end of the hook is mounted on a welding gun, and the hook can move along with the welding gun to drive the whole welding-slag splashing prevention device to move on the surface of a welded workpiece; and the two open ends of the inverse-U-shaped hook are mounted on the front portion of the first lateral baffle and the front portion of the second lateral baffle correspondingly. The welding-slag splashing prevention device provided by the invention is designed according to the structure of the welding gun, the mounting mode is simple and reliable, the device can be reliably positioned only through studs, the positioning mode is simple, and the cost is low; and meanwhile, through matched installation of the studs, the hook and kidney-shaped grooves, the device can be adjusted according to the specific position of the welding gun, and the device can adapt to welding-slag splashing prevention of welding of inner containers with different diameters and at different heights by adjusting the positions of the studs.

The invention belongs to the technical field of vibration noise control, and particularly relates to a vibration active control technology. According to the technical scheme of a swing-resistant electromagnetic hybrid active actuation mechanism, a passive vibration isolator is composed of an upper cover plate, an airbag damper bag body, a lower cover plate and shell locking bolts and is used for suppressing medium-high frequency vibration of a controlled object; an active actuation mechanism body is composed of an upper armature, a middle armature, a lower armature, circular permanent magnets, annular permanent magnets, coil windings, a coil retainer, a middle screw, a fixing screw and a linear bearing; The permanent magnets and the armatures form a magnetic channel; current coils cut magnetic lines of force in the magnetic channel to generate electromagnetic force; and the distance between the upper permanent magnet and the coil windings is equal to the distance between the lower permanent magnet and the coil windings, so that it is ensured that the average magnetic field strength in the coils of the middle armature driven by the electromagnetic force is consistent, the magnitude of output force does not change with changes of strokes of the middle armature, and nonlinearity is avoided. It is ensured that the output force of the active actuation mechanism is normal when controlled equipment inclines or swings, and the stuck stagnation phenomenon of a conventional actuation mechanism is avoided.

A warning light assembly includes a frame with integral fastener anchors. The frame aligns and supports the anchors with openings in a vehicle body or other support surface. Fasteners pass through a warning light housing to spread retention legs behind the support surface. The anchors are connected by the frame and cannot rotate relative to the vehicle body or warning light. The frame defines a central opening for warning lights requiring additional depth.

The invention discloses an active-passive hybrid vibration isolator resistant to lateral impact, and belongs to the technical field of vibration noise control. The active-passive hybrid vibration isolator comprises a passive vibration isolator assembly, an active actuator assembly, and a force transmission assembly. The force transmission assembly is used to connect the passive vibration isolator assembly and the active actuator assembly and transmit force between the passive vibration isolator assembly and the active actuator assembly. The passive vibration isolator assembly supports static load of equipment, attenuates the force of lateral impact through the force transmission assembly, ensures normal work of the active actuator assembly, and has passive vibration isolation performance. The active actuator assembly produces radial output force when electrified, the output force is transmitted to the passive vibration isolator assembly through the force transmission assembly, and the output force is opposite to the exciting force of original radial impact, thus attenuating radial vibration. An active actuator of the vibration isolator is embedded into a passive shock absorber, so that the degree of integration is high. When an application object is subject to lateral impact, the active actuator can still work normally.

The invention discloses a test water tank for a vortex-induced vibration test of a suspended spanning pipeline. The test water tank is a cuboid with an opening formed in the upper end surface, and isdivided into a test section and a drainage section by means of a water flow partition plate. The test water tank is provide with a flow direction diversion device, a power adjustable device, a stablewater flow device, a suspended spanning pipeline suspending device, a position adjusting device and a data acquisition device. In the test water tank disclosed by the invention, an upper flow straightener can be moved equidistantly, a flat flow plate is installed in a slot manner, the slot can achieve the anti-collision effect, a thin and long hole is formed to achieve a buffering effect, the disassembly and assembly test is facilitated, the structural installation is reasonable, the suspended spanning pipeline has multiple pipe diameters for the tests of different pipe diameters, lateral andforward springs are convenient for installation and disassembly, a cylindrical suspension plate and a splicing plate are movable and replaceable, tests of water flows in different flow directions canbe conducted, and the test water tank is simple and compact in structure.

The invention discloses a device for measuring the swash plate angle and the vibration characteristic of a high-pressure and high-speed axial plunger pump. The device comprises a swash plate shaft, aplunger pump shell, a plunger pump sealing cover plate, a magnetic block mounting seat, a noncontact angle sensor, a magnetic block and a plunger pump side end cover. The device has the following advantages: the structure of the axial plunger pump is slightly changed, the processing of the swash plate shaft and the sealing cover plate of the axial plunger pump is only needed, so the processing difficulty is small, and the processing cost is low; the noncontact angle sensor comprises the two following parts: the magnetic block and a sensor body, so the noncontact angle sensor can be easily mounted and maintained; the magnetic block of the noncontact angle sensor is completely sealed, and the magnetic block and the sensor body are separated by the plunger pump sealing cover, so an oil leakage source is reduced; the sensor body is mounted on the outer surface of the sealing cover without arranging a lead wire in the axial plunger pump shell, so the mounting mode is simple; and the swash plate angle and the vibration characteristic of axial plunger pump are measured by sensing the change of a magnetic field direction, so mechanical wearing is avoided.

The invention relates to the field of PCB circuits, in particular to a high-efficiency and low-cost PCB heat dissipation device. The high-efficiency and low-cost PCB heat dissipation device comprisesa PCB, a chip and a heating device are arranged on the PCB, a through hole is formed in the PCB, an installation hole is formed in the heating device, and the installation hole and the through hole inthe PCB are concentrically arranged. The invention relates to the high-efficiency and low-cost PCB heat dissipation device, in which the thermal resistance in the heat conduction process is reduced,short-distance efficient heat conduction and radiation to a shell in a small space is realized, the fixing mode of heat dissipation fins is simplified, the mounting difficulty is reduced and the material cost is saved.

The invention provides a high-temperature ultra-high-speed friction-wear testing machine for sealing coating. A motor and transmission system comprises a servo motor, a transmission system and a wheel disc, one end of the transmission system is connected with the servo motor, and the other end of the transmission system is connected with the wheel disc; the edge of the wheel disc is provided with simulation blades; a heating and cooling system comprises an air compressor, a gas control unit, a flame heating nozzle and a cooler nozzle, the air compressor is connected with the gas control unit, the gas control unit is communicated with the flame heating nozzle and the cooler nozzle through pipelines, the flame heating nozzle is arranged on the outer side of the wheel disc, and the cooler nozzle is arranged on the outer side of a feeding system; a data acquisition and control system is connected with a temperature and image acquisition device, and the temperature and image acquisition device is arranged on the outer side of the wheel disc; the feeding system is connected with the stepping motor, and a coating sample is arranged on the other side of the wheel disc. The test result provided by the invention can provide a reliable test basis for evaluation of the service performance of the sealing coating and research on high-speed friction wear behaviors and mechanisms.

The invention provides a composite connector which reduces occupied portion of a substrate caused by a plurality of memory cards related to the carried substrate. The composite connector of the invention has at least a card insertion opening where a first and a second memory card (24, 25) can be plugged on a body (21). The body (21) has a first body (27) for connection and a second body (28) for connection connected with an edge of the first body (27) for connection. On the first body (27) for connection, a first card conductive cover (22) is covered by way of forming a first card insertion opening (45) and on the second body (28) for connection, a second card conductive cover (23) is covered by way of forming a second card insertion opening (53). Outer side surface of the first card conductive cover (22) is used as a slide surface of the second memory card (25) so that the slide surface faces the second card insertion opening (53).

The invention belongs to the technical field of vibration noise control, and relates to an active vibration isolator, in particular to a magnetic resistance type electromagnetic active vibration isolator. The magnetic resistance type electromagnetic active vibration isolator comprises a base plate (1), a rotor assembly and a stator assembly. The rotor assembly and the stator assembly are installed on the base plate (1), the rotor assembly is located in the center of the base plate (1), the stator assembly is installed outside the rotor assembly, and a gap is kept between the stator assembly and the rotor assembly. A secondary rolling guide rail pair (13) and a stator guide rail installing plate (3) are coordinated to guarantee the vertical movement of the rotor assembly. A connection terminal (12) is installed on a rotor silicon steel sheet upper fixing plate (4) and is connected with a coil (14). According to the magnetic resistance type electromagnetic active vibration isolator, on the basis of the minimum magnetic resistance theory, the Lorentz force and the rolling type low-friction structure, the active output force generated by a unit current is very large, the structure of the magnetic resistance type electromagnetic active vibration isolator is optimized, the needed transverse space and height space are small, good swing resistance and impact resistance are achieved, and high engineering application performance is achieved.

The invention belongs to the technical field of vibration noise control and particularly relates to an active vibration absorber. The magnetic resistance type electromagnetic active vibration absorber comprises a vibration absorber lower installation plate, a vibration absorber cover, a vibration absorber upper installation plate, a rotor assembly and a stator assembly. Four rolling guide rail pairs are installed between the rotor assembly and the stator assembly. The rotor assembly is connected with the vibration absorber lower installation plate and the vibration absorber upper installation plate through springs. The rotor assembly can freely vibrate through the rolling guide rail pairs. The magnetic resistance type electromagnetic active vibration absorber can be installed and used in combination with various types of passive vibration absorbers and can be arranged on a controlled object or a base at will, after a coil is electrified with alternating current, electromagnetic force is generated between the rotor assembly and the stator assembly, the stator coil generates Lorentz force, the resultant force of the electromagnetic force and the Lorentz force drives a vibration absorber rotor to move, the vibration absorption force generated by the vibration absorber rotor is used for offsetting the vibration of the controlled object, and the purpose of controlling vibration is achieved.