32results about How to "Easy to implement protection" patented technology

The invention belongs to the technical field of crowned tooth machining equipment, and provides a circular locus crowned tooth forming grinding swing device. The circular locus crowned tooth forming grinding swing device comprises a rocker arm which is provided with a grinding head supporting plate in a sliding mode. The rocker arm is fixedly connected with a screw rod nut. A screw rod in threaded connection with the screw rod nut is installed in the grinding head supporting plate in a rotating mode. A cover plate, an index dial and a hand wheel which is in key connection with the top end of the screw rod are sequentially arranged on the top face of the grinding head supporting plate. A grinding head motor and a grinding head fixed base used for installing a modification grinding wheel are installed at the two sides of the grinding head supporting plate correspondingly. A hinged support block is embedded in the top end of the rocker arm. A machine body is provided with two center bases which are correspondingly arranged, and centers abutting against the hinged support block are installed in the center bases. A hinged support is installed on the bottom face of the rocker arm. A limiting plate with an arc sliding rail is hinged to the hinged support, and the hinged support is connected with a hydraulic oil cylinder. By means of the circular locus crowned tooth forming grinding swing device, modification machining of crowned teeth can be achieved conveniently, and machining precision of the crowned teeth is improved; and the circular locus crowned tooth forming grinding swing device can be suitable for flexible adjustment machining of the crowned teeth of different specifications, and universality is high.

The invention discloses a high-efficiency patch triode with a good heat dissipation structure, relates to the technical field of patch triodes, and includes a packaging shell, a wear-resistant and crack-proof component and a heat dissipation component. Pins are installed under the package shell. And the outer side of the connection between the pin and the package shell is fixed with a sealing and waterproof component, the wear-resistant and crack-proof component is fixed on the outside of the package shell, the upper part of the package shell is integrally connected with a fixing plate, and the fixing plate A threaded hole is provided in the middle, a main chip is installed in the middle of the package shell, and a reinforced protective component is installed on the outside of the main chip, a conductive layer is welded at the connection between the main chip and the pin, and the upper and lower sides of the main chip Insulation is fixed on both sides. The beneficial effect of the present invention is that: the device facilitates the prevention of moisture aging at the connection position between the pin and the package shell through the arrangement of the sealed waterproof component, and facilitates the efficient heat dissipation of the chip transistor through the arrangement of the heat dissipation component.

The invention relates to the technical field of ship webs, discloses a ship web steel structure support with an anti-corrosion structure for buffering and shock absorption, and solves the problems that the steel structure support is poor in shock absorption performance, so that the protection performance of a wire harness is low, and the wire harness is inconvenient to disassemble and assemble. Two mounting grooves are symmetrically formed in one side of the steel support body, wire inserting pipes are inserted into the two mounting grooves in a penetrating mode, clamping mechanisms are connected to one ends of the two wire inserting pipes, the two clamping mechanisms are connected through a driving mechanism, and first containing grooves are symmetrically formed in the steel support body; the two first containing grooves are connected through a second containing groove, the two first containing grooves communicate with the mounting groove, clamping sets connected with the wire inserting pipe are arranged in the first containing grooves, and damping mechanisms are arranged on the two sides of each clamping set; by means of the design, convenience is effectively brought to disassembly and assembly of the wire inserting pipe and the wire harness, and labor input is effectively saved.

The invention discloses a fabricated energy-saving and environment-friendly building device and a fabrication method thereof. The fabricated energy-saving and environment-friendly building device comprises a wall body, a closing mechanism, a movable mechanism, an expansion mechanism, a mounting mechanism and adjusting mechanisms. The movable mechanism used for facilitating mounting of other mechanisms is arranged inside one side of the wall body used for fixing the whole device. The expansion mechanism used for storing mounting parts is arranged in the position, located on one side of the movable mechanism, of the interior of the wall body. The mounting mechanism used for facilitating installation of an air conditioner outdoor unit is arranged on one side of the expansion mechanism. The adjusting mechanisms used for facilitating adjustment of the mounting mechanism are arranged inside the two sides of the mounting mechanism. The closing mechanism used for protecting the whole device isarranged at an opening, formed at the movable mechanism, of the wall body. When the fabricated energy-saving and environment-friendly building device is in use, the expansion mechanism is mounted onone side of the movable mechanism; under the expansion and retraction effect of the expansion mechanism, the mounting mechanism and the adjusting mechanisms can be arranged reasonably, and accordingly, the air conditioner outdoor unit can be installed conveniently.

The invention discloses a lithium battery heat dissipation and heat preservation system in the technical field of heat dissipation and heat preservation of lithium batteries. Electronic refrigeration chips are fixedly arranged on the side walls of the opposite sides of the two sets of fixed frames, and the electronic refrigeration chips of the two groups are evenly spaced. Condensation fins are fixedly installed, the right side of the inner cavity top of the box body is fixedly provided with a single-chip controller, the right side wall of the radiator is provided with a heat conduction through hole matching the heat dissipation through hole, and the two sets of mounting plates A heat conduction plate is fixedly installed between them, a heat dissipation fan is fixedly installed on the inner side of the heat dissipation channel, a filter cotton net is fixedly installed on the inner and outer sides of the heat dissipation channel, and the bottom of the left side wall of the inner cavity of the box body is fixedly equipped with a The equipped insulator can absorb the heat inside the box in various ways, improve the efficiency of heat dissipation, and at the same time, it can keep the battery body warm, which is convenient for the protection of the battery body and improves the service life of the battery body .

The invention discloses an automobile shock absorber protection device. The device comprises a first installation plate, a second installation plate and a third installation plate, a first supporting rod is arranged on the first installation plate, a top plate is arranged at the top end of the first supporting rod, a first rotating ring is installed at the upper side of the top plate, a first air bag is arranged in the first rotating ring, a clamping pipe is arranged above the first rotating ring, and a third air bag and a second air bag are arranged above and below the clamping pipe. A first air pump is arranged on the lower surface of the second installation plate, first guide pipes are arranged between the first air pump and the second air bag and between the first air pump and the third air bag, a second supporting rod is arranged on the third installation plate, a fixing plate is arranged at the top end of the second supporting rod, a motor is arranged on the lower surface of the fixing plate, a rotating shaft is arranged at the upper side of the motor, a second rotating ring is arranged on the surface of the rotating shaft, a belt is arranged between the second rotating ring and the first rotating ring, a second sliding pipe is arranged at the top end of the rotating shaft, and a second air pump is arranged at the right side of the second sliding pipe. A second guide pipe is arranged between the second air pump and the first air bag, a spiral spring is arranged at the upper end of the second sliding pipe, a sliding rod is arranged in the spiral spring, the spiral spring is provided with a first sliding pipe, a lantern ring is arranged outside the first sliding pipe, screws are arranged on the two side walls of the lantern ring, clamping plates are arranged in the screws, and the screws are sleeved with nuts.

The invention relates to an 'AC-AC (alternating current) regulation and control' based numerical-control HID (high intensity discharge) driving method and a driver applying the same. The numerical-control HID driving method is implemented by direct AC-to-AC power switching. In the numerical-control HID driving method, an embedded controller and an 'AC-AC regulation and control' driving module are used as the core which is connected with various circuits, input sinusoidal AC is subjected to AC modulation directly, a constant-power sinusoidal AC power source meeting requirements for numerical-control HID driving is output, and various lighting functions and control protecting functions under the numerical-control HID driving are realized. The driver is a circuit device applying the numerical-control HID driving method, and a circuit of the driver comprises an EMI (electromagnetic interference) and input filter circuit 2, an AC sinusoidal output filter circuit 4, a current and voltage sampling feedback circuit 5, a high-voltage trigger driving module 6, a communication control interface circuit 7, an HID bulb 8 and an input AC power source 9. The driver is characterized by further comprising the embedded controller 1 and the AC-AC regulation and control driving module 3.

The invention discloses a prefabricated building device, which comprises a wall, a closing mechanism, a movable mechanism, a telescoping mechanism, an installation mechanism and an adjustment mechanism, and the inside of one side of the wall for fixing the whole device is provided with a convenient placement device As for the movable mechanism of other mechanisms, a telescopic mechanism for storing the installation parts is provided inside the wall and on one side of the movable mechanism, and a telescopic mechanism is provided on one side of the telescopic mechanism to facilitate the installation of the external unit of the air conditioner. mechanism, the inside of both sides of the installation mechanism is provided with an adjustment mechanism for conveniently adjusting the installation mechanism, and the wall is provided with a closing mechanism for protecting the entire device at the opening of the movable mechanism part. When the present invention is used, the telescopic mechanism is installed on one side of the movable mechanism, and through the telescopic effect of the telescopic mechanism, it is convenient to arrange the installation mechanism and the adjustment mechanism reasonably, thereby facilitating the installation of the air conditioner external unit.

The invention discloses a lithium battery heat dissipation and heat preservation system and belongs to the technical field of lithium battery heat dissipation and heat preservation. Electronic refrigeration chips are fixedly arranged on the side walls of the opposite sides of two sets of fixing frames; condensation sheets are uniformly and fixedly assembled between the two groups of electronic refrigeration chips; a single-chip microcomputer controller is fixedly arranged on the right side of the top of the inner cavity of a box body; heat conduction through holes matched with heat dissipationthrough holes are formed in the right side wall of a radiator; a heat conduction plate is fixedly assembled between two groups of mounting plates; a heat dissipation fan is fixedly assembled on the inner side of a heat dissipation channel; filtering cotton nets are fixedly assembled on the inner side and outer side of the heat dissipation channel; a heat preservation device matched with the heatdissipation through holes is fixedly assembled at the bottom of the left side wall of the inner cavity of the box body; heat in the box body can be absorbed in various modes, so that heat dissipationefficiency is improved; and a heat preservation effect on a battery body can be achieved, the battery body can be protected conveniently, and the service life of the battery body is prolonged.

The invention relates to a quick connection device suitable for heavy-duty rotary joints, comprising: a main shaft, the main shaft comprises a conical end part and a cylindrical body part, the body part is provided with a first thread; a main shaft guide seat, The main shaft guide seat is provided with a second thread, and the second thread is matched and connected with the first thread on the main shaft body; an expansion mechanism, the expansion mechanism includes: a shaft cylinder, and the inner surface of the shaft cylinder is a cone shape, which can be matched with the end of the main shaft; the barrel wall of the shaft barrel is provided with a plurality of grooves penetrating the barrel wall, and the expansion key includes a key body and a support part arranged on both sides of the key body, The surface of the key body close to the center of the shaft barrel is tapered; the expansion key is arranged in a groove on the wall of the shaft barrel, and the support part is arranged in the middle of the groove; a bearing, the bearing It is sleeved on the outside of the shaft barrel and the expansion key; the expansion structure shell is sleeved on the outside of the bearing.

The invention relates to a cascaded battery management system. The cascaded battery management system comprises a cascaded signal acquisition balanced protection circuit, a voltage and temperature processing circuit, a current acquisition circuit and a data processing and communication circuit, wherein the cascaded signal acquisition balanced protection circuit is used for respectively acquiring a voltage signal of each battery of a battery pack to the voltage and temperature processing circuit, the data processing and communication circuit is used for respectively acquiring a voltage / temperature signal, processed by the voltage and temperature processing circuit, of each monomer battery and current information, acquired by the current acquisition circuit, of a battery loop during charging and discharging so as to achieve charge state estimation of the battery, voltage balance of each monomer battery and protection on overtempeature, low temperature, undervoltage, overvoltage, overcharging, over-discharging and the like, and meanwhile, the battery information is interacted with a vehicle-mounted center control system through the data processing and communication circuit.

The invention discloses an anti-corrosion and anti-bacterial paint additive, which is mainly used for anti-corrosion in certain metal parts requiring anti-corrosion treatment in sewer facilities of apartments, river banks, mines, municipal engineering, etc., or in anoxic acidic environments. It is mainly composed of zeolite powder, nickel metal powder and tungsten metal powder. The present invention does not affect the normal use of some particularly important metal parts in sewer facilities or anoxic and acidic environments, and can conveniently protect some particularly important metal parts in sewer facilities or anoxic and acidic environments under current conditions. Reduce construction cost. By coating paints containing this additive, the normal service life of some particularly important metal parts in sewer facilities or anaerobic acidic environments can be extended and maintenance costs can be reduced.