19results about How to "Reduced lifespan" patented technology

The invention discloses a cavity component trajectory planning method based on wall thickness data, particularly relates to a method for completing a thin-walled workpiece digital-analog tool path trajectory planning task by taking the wall thickness of a thin-walled workpiece as a constraint condition based on 3D scanning point cloud data and a digital-analog registration comparison result, and belongs to the technical field of CAD / CAPP / CAM. Comprising the following steps: step 1, carrying out point-by-point thickness measurement on a cavity model, firstly calibrating a key measurement area, grading and planning thickness measurement points according to geometric characteristics and importance of the model, ensuring that the points are uniformly distributed at key structure positions of the model, and carrying out point-by-point measurement and data recording by using an ultrasonic thickness measurement instrument; 2, judging the position adjustment of the current point; and step 3, the thickness measuring point generates brand new point cloud data after being adjusted according to the compensation value, and a processing track is generated based on an equal residual height method. The method effectively solves the problems that in the machining process, due to the fact that the position of a theoretical model is not uniform with the position of an actual workpiece, the idle feeding phenomenon is caused, and the service life of a tool is shortened due to the too large cutting amount of a local area.

The utility model discloses a container shell with waterway circulation and auxiliary heat dissipation, which comprises a container, a heat dissipation plate is mounted on the shell of the container, and a circulating waterway is arranged in the heat dissipation plate; a waterproof top is mounted on the container, an inclined cavity is formed in the top surface of the waterproof top, a water outlet pipeline is arranged on the waterproof top, and the water outlet pipeline is communicated with the lowest position of the inclined cavity; a water storage cavity is formed in the waterproof top, a spraying head is arranged on the bottom face of the waterproof top, and the spraying head communicates with the water storage cavity. And by arranging the water cooling heat dissipation mechanism outside the energy storage container, the heat dissipation efficiency can be improved when the device is overheated and the air cooling mechanism cannot complete heat dissipation. And the possibility that the service life of the transformer is shortened and even the transformer is burnt due to overheating is reduced. And by arranging a rainproof structure capable of storing water, when the external environment is hot and the temperature of the transformer rises, the collected rainwater can assist the air cooling and water cooling mechanism in cooling, so that the cooling efficiency is further improved.

The utility model discloses a digestive endoscope mobile workstation system, which relates to the technical field of medical instruments and comprises a base, locking universal wheels are arranged at the bottom of the base close to the periphery, a placing groove is arranged at the top of the base, a storage rack is fixedly mounted in an inner cavity of the placing groove, and an endoscope host is mounted at the top of the storage rack close to one side. An argon knife is installed at the position, close to the other side, of the top of the storage rack, a drainage bottle and a pump body are installed at the positions, close to the two sides, of the bottom of an inner cavity of the containing groove correspondingly, an electric telescopic rod is started through a control panel so that a solar panel can stretch out of an inner cavity of a protection groove, and the solar panel can be conveniently used for charging a storage battery during outdoor use; the device can provide a power supply for an electric appliance, energy loss is reduced, the device is convenient to move by arranging a plurality of locking universal wheels, two air dampers and damping springs fixed on the locking universal wheels are used for damping when the device moves on a rugged road, and the situation that the service life of the electric appliance is shortened due to vibration can be avoided.

The utility model provides an energy-saving anti-smoldering gasification torch. The energy-saving anti-smoldering gasification torch comprises an incandescent light, a barrel, a plurality of sub torches and a check valve. Wherein the plurality of sub torches are wrapped by the cylinder body, and each sub torch pipeline is provided with a check valve. A conventional single large torch is replaced by a plurality of small sub torches, so that the flare gas still has a relatively high outlet flow rate during small-flow discharge, and the problem that the service life of the torch is shortened due to smoldering of the flare gas in a barrel during small-flow discharge of a conventional gasification torch is solved. In addition, only 1-2 sets of incandescent lights are kept running at ordinary times, the running time of the incandescent lights is shortened, and running energy consumption is reduced.

What is claimed is a positive electrode active material for an all-solid-state lithium-ion battery composed of particles containing crystals of a lithium metal composite oxide, wherein the lithium metal composite oxide has a layered structure and contains at least Li and a transition metal, and wherein, in the particles, in pore physical properties obtained from nitrogen adsorption isotherm measurement and nitrogen desorption isotherm measurement at a liquid nitrogen temperature, the total pore volume obtained from a nitrogen adsorption amount when the relative pressure (p / p0) of an adsorption isotherm is 0.99 is less than 0.0035 cm3 / g.

The invention discloses machining drilling equipment capable of replacing multi-model drill bits, and relates to the technical field of drilling. The device comprises a device body, supporting legs are arranged at the bottom of the device body, an L-shaped plate is arranged at the edge of the top of the device body, a workbench is arranged at the center of the top of the device body, the device further comprises an anti-jamming device, the anti-jamming device is arranged at the top of the inner wall of the L-shaped plate, and the anti-jamming device comprises a drilling assembly, an electric telescopic rotating column, a telescopic clamping ring and a drilling head. The top of the drilling assembly is fixedly installed on the top of the inner wall of the L-shaped plate, the top of the electric telescopic rotary column is rotationally installed in the center of the bottom of the drilling assembly, and a spring is arranged on the outer wall surface of the telescopic end of the electric telescopic rotary column. By means of the telescopic clamping ring, the telescopic clamping ring is made to adapt to drilling heads of different sizes and diameters by means of the contraction characteristic of the telescopic clamping ring and the abutting force generated when the drilling heads are installed, the method is different from the complexity of manual accessory replacement of transmission workers, and the working efficiency is improved to a certain degree.

The utility model belongs to the field of protection equipment, particularly relates to a demolition engineering protection device, and aims to solve the problems that the existing demolition engineering protection device is troublesome to mount during use, affects the demolition time efficiency of roads and bridges, needs to occupy a large space during transportation and reduces the transportation efficiency. A third supporting plate and two first supporting plates are arranged on the upper surface of the base, the third supporting plate is located between the two first supporting plates, second supporting plates are arranged between the third supporting plate and the first supporting plates, protective cloth is fixedly installed between the first supporting plate and the second supporting plate which are adjacent, and protective cloth is fixedly installed between the second supporting plate and the third supporting plate. According to the utility model, the first supporting rod and the second supporting rod are coaxially and rotatably connected, so that the moving stability of the second supporting plate is improved, the installation is more convenient, the time efficiency of road and bridge dismantling is not influenced for a project with a short dismantling construction period, and the first supporting plate, the second supporting plate and the third supporting plate are folded, so that the storage and the transportation are convenient.

The present invention relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a method of preparing a positive electrode active material for a lithium secondary battery, which is able to improve electrochemical properties and stability by controlling the specific surface area of a positive electrode active material.

A battery module according to one embodiment of the present disclosure includes a housing that houses a battery cell stack in which a plurality of battery cells are stacked and includes a pair of holes disposed opposite to each other; and a discharge guide member that forms a gas flow path inside and outside the housing while covering any one of the pair of holes.

The present invention discloses a mechanical processing drilling device with multiple types of drill bits to be replaced, and relates to the technical field of drilling. The present invention includes a device body, a support leg is arranged at the bottom of the device body, an L-shaped plate is arranged at the top edge of the device body, a workbench is arranged at the top center of the device body, and an anti-stuck device is also included, the anti-stuck device is arranged at the top of the inner wall of the L-shaped plate, the anti-stuck device includes a drilling assembly, an electric telescopic rotating column, a telescopic clamping ring and a drilling head, the top of the drilling assembly is fixedly installed on the top of the inner wall of the L-shaped plate, the top of the electric telescopic rotating column is rotatably installed at the bottom center of the drilling assembly, and a spring is arranged on the outer wall surface of the telescopic end of the electric telescopic rotating column. The present invention enables the telescopic clamping ring to adapt to drilling heads of different sizes and diameters by relying on its own contraction characteristics and the resistance force generated when the drilling head is installed, which is different from the complexity of manual replacement of accessories by transmission staff, and improves work efficiency to a certain extent.

The utility model discloses a ground directional drilling grouting device, which belongs to the technical field of coal mine water disaster ground prevention and control, and is provided with an intermediate casing pipe opening connecting device, the intermediate casing pipe opening connecting device is connected with an intermediate casing pipe ground opening through an intermediate casing pipe connecting male buckle, and a water inlet pipe is arranged on the side edge of the intermediate casing pipe opening connecting device; a grouting channel connecting device is inserted and installed in the intermediate casing pipe opening connecting device, the intermediate casing pipe opening connecting device and the grouting channel connecting device form orifice sealing through a sealing flange and a fixing bolt, and the grouting channel connecting device is connected with a grouting drill rod through a grouting drill rod connecting male buckle. Grouting pipes are arranged on the two sides of the grouting channel connecting device. According to the grouting device, cement grout does not flow through the technical casing, the cement grout can be prevented from being reserved in the technical casing, waste of the cement grout is reduced, and invalid grouting cost is reduced; as no cement deposits exist in the technical casing, hole sweeping and clearing are not needed, the construction auxiliary time is shortened, and the construction efficiency is improved.

The utility model relates to a high-reliability radial-load-resistant diesel engine case cover for a harvester, which comprises a cover plate, an oil injection port is arranged at the top of the cover plate, and an opening and closing mechanism matched with the oil injection port for use is arranged at the top of the cover plate. The oil inlet seat corresponds to the position of the oil filling opening in the top of the cover plate, then the oil inlet seat and the cover plate are locked and fixed through the hexagon socket screws, and the oil tank cover is hinged to the L-shaped plate through the fixing plate, so that the oil tank cover is convenient to open or close, the oil tank cover does not need to be taken down every time, convenience is greatly improved, a key is used in cooperation with the safety lock, and use is convenient. The firmness of the fuel tank cover in a closed state is ensured, and the reliability is improved.

The present invention relates to a tractor intelligent output interface, the left output of the diverter valve III is connected to two circuits in parallel, the first circuit is connected to the oil inlet of the overflow valve II, the oil outlet of the overflow valve II is connected to the cooler III, the oil outlet of the cooler III flows back to the oil tank, the second circuit is connected to the temperature sensor III, the pressure sensor III and the flow sensor III, the oil outlet of the second circuit is connected to the differential pressure reducing valve I, the oil outlet of the differential pressure reducing valve I is connected to the three-position four-way electromagnetic reversing valve II, the hydraulic control oil port of the differential pressure reducing valve I is respectively connected to the inlet and outlet oil circuits of the three-position four-way electromagnetic reversing valve II, the oil outlet of the three-position four-way electromagnetic reversing valve II is connected in parallel with the shuttle valve I, and the pressure compensation system is used in conjunction with the shuttle valve I, and the pressure compensation system ensures that the output flow of the three-position four-way electromagnetic reversing valve II is not affected by the load change and remains constant. The system flow does not change with the load change, and can be accurately adjusted through the control signal to improve the control accuracy of the system, providing technical support for precision agriculture.

The utility model belongs to the technical field of early warning devices, and provides an urban waterlogging point waterlogging monitoring and early warning device which comprises a water collecting tank and is characterized in that a first supporting plate is fixedly connected to the water collecting tank, a first motor is fixedly connected to the first supporting plate, a first rotating shaft is fixedly connected to the output end of the first motor, and a second rotating shaft is fixedly connected to the output end of the first rotating shaft. The first rotating shaft is rotationally connected to the second supporting plate in a penetrating mode, a rotating disc is fixedly connected to the end, away from the first motor, of the first rotating shaft, a connecting column is eccentrically connected to the rotating disc, and a first connecting rod is hinged to the connecting column. According to the utility model, the rotating disc rotates to drive the connecting column to rotate, the connecting column drives the first connecting rod to move back and forth, the first connecting rod drives the first connecting plate to move back and forth, and the first connecting plate drives the brush to slide back and forth on the filter holes, so that garbage on the surfaces of the filter holes can be cleaned, and blockage of the filter holes is avoided; the speed of rainwater entering the water collecting tank is influenced, and the accuracy of waterlogging monitoring and early warning is influenced.

This disclosure provides a display device including a plurality of light-emitting elements disposed on a substrate, and capable of preventing or reducing optical sensor failures by including the following structure, wherein at least one of the plurality of light-emitting elements includes a first electrode disposed on the substrate, a hole transport layer disposed on the first electrode, an electron blocking layer disposed on the hole transport layer, an emitting layer disposed on the electron blocking layer and having a width greater than that of the electron blocking layer, and a second electrode disposed on the emitting layer.

This invention belongs to the field of tidal power generation technology and relates to a multi-degree-of-freedom adaptive motion compensation device for connecting a floating turbine and a carrier. The device includes a carrier and a turbine, with a retractable hydraulic rod assembly, a turntable, and a slide rail arranged sequentially between them. The retractable hydraulic rod assembly consists of three retractable hydraulic rods arranged in an equilateral triangle. The length of the retractable hydraulic rods is adjustable. One end of each retractable hydraulic rod is connected to the semi-submersible carrier, and the other end is connected to the turntable. The turntable consists of an upper and lower part and can rotate 360 ​​degrees. The slide rail includes a slide path and a slider. The slider is connected to the bottom of the turntable and drives the turntable to slide along the slide rail. This invention improves and optimizes the mechanical connection structure between the turbine and the carrier to eliminate or reduce the swaying motion of the turbine caused by waves, thereby improving the stability and efficiency of the turbine operation, extending the service life of the turbine, and enhancing the applicability of the turbine unit under different sea conditions.

The utility model discloses an aluminum profile bending die which comprises a base, a shell is fixedly connected to the top of the base, a first die is fixedly connected to the top of the shell, a positioning mechanism is arranged in the base and comprises a threaded rod and a clamping plate, an inner groove is formed in the shell, and the threaded rod is fixedly connected with the first die. The threaded rod is rotationally connected to the interior of the shell, the outer portion of the threaded rod is in threaded connection with a connecting rod, the clamping plates on the two sides are fixedly connected to the tops of two arms of the connecting rod, and meanwhile a pair of sliding grooves is formed in the top of the shell. In the actual use process, the rotating handle is rotated, the threaded rod is driven to rotate under rotation of the rotating handle, meanwhile, the connecting rod is driven to move front and back, the clamping plates at the two ends are driven to move through movement of the connecting rod and gradually get close to the first mold, and the effect of rapidly positioning aluminum profiles is achieved through cooperation of the clamping plates and the first mold; the problem that the aluminum profile slides and deviates when being bent is solved, and the working efficiency is improved.

The utility model relates to the technical field of color sorters, and discloses a color sorter with a collecting assembly at a feed opening. The color sorter with the discharging port carrying the collecting assembly comprises a machine body, the discharging port and a plurality of fixed suction ports, the discharging port is formed in the bottom of the machine body, the bottom of the discharging port is in threaded connection with the tops of the fixed suction ports, and the bottoms of the fixed suction ports are in threaded connection with one end of an air suction pipe. When cereals screened by the color sorter need to be collected, the air suction pump is aligned to the bottom of the discharging port and screwed down, so that the cereals in the machine body can enter the fixed suction ports through the discharging port, then the air suction pump is started, and the cereals in the machine body can enter the fixed suction ports through the discharging port. And the air suction pump is used for pumping so that the grains entering the fixed suction port enter the air suction pipe, and finally the grains are filtered by the filter plate and fall into the collecting box through the discharging groove under the influence of gravity.

The invention discloses a sequential control system and device of a hybrid solid-state direct-current circuit breaker and the circuit breaker, and belongs to the technical field of circuit breakers. The sequential control system comprises an energy taking unit, a pulse unit, a voltage reduction unit and a control unit; the energy taking unit is used for being conducted with a direct current system to store energy at a first position in the closing process of the circuit breaker; the voltage reduction unit is used for reducing the voltage of the energy taking unit and then having functions on the pulse unit and the control unit; the pulse unit is used for sending a pulse signal at a second position in the closing process of the circuit breaker, and the circuit breaker sequentially passes through the first position and the second position in the closing process; the control unit is used for sending a control signal according to a pulse signal of the pulse unit, so that an electronic branch of the circuit breaker is firstly conducted; according to the system, the mechanical branch and the electronic branch of the circuit breaker are controlled, and the system works according to the specified sequence of the hybrid solid-state circuit breaker, so that the working reliability of the hybrid circuit breaker is improved, and the safety of a direct-current system is ensured.