11results about How to "Improve structural firmness" patented technology

The utility model discloses a silicon material slice spraying device with a novel positioning structure, which relates to the technical field of silicon material slice processing and comprises a right-angle bent plate, a water inlet pipe is arranged on the outer surface of one side of the right-angle bent plate, a water diversion plate is arranged in the water inlet pipe, and a water outlet groove is arranged on the outer surface of the bottom of the water inlet pipe. A water inlet pipe connector is arranged on the outer surface of the water inlet pipe, a bent pipe connector is arranged at the tail end of the water inlet pipe connector, a supporting flat plate is arranged at the top end of the water inlet pipe, and a first long bent plate is arranged on the lower side of the water inlet pipe. According to the novel silicon material slice spraying device with the positioning structure, water flow sprayed in the water inlet pipe can be controlled and adjusted through the arranged water distribution plate and the water outlet adjusting plate, so that a curtain-shaped water curtain can be formed at the liquid outlet, the water flow is uniform in size, continuous and consistent, and free of a flow cutoff phenomenon, and sufficient cooling of a cutting line is ensured; and the risk of line breaking in the wafer cutting process caused by non-uniform cooling is prevented, and the yield of output is improved.

The utility model discloses a hydraulic winch with a belt type brake device, belongs to the technical field of winding equipment, and is mainly used for solving the problems that a transmission tail end of a common winch is not braked and the safety performance is not high, the hydraulic winch comprises a rack, a driving mechanism, a winding drum and a belt type brake mechanism are arranged on the rack, and the driving mechanism is fixedly connected with the rack; the winding drum is driven by the driving mechanism, hubs are arranged at the two ends of the winding drum, braking drums are arranged on the end faces, back to the winding drum, of the hubs, the braking drums are sleeved with the belt type braking mechanism, and the belt type braking mechanism comprises a telescopic rod and a pair of braking belts. An adjusting assembly is connected between the upper ends of the two brake bands, and the lower ends of the two brake bands are driven by the telescopic rod to be close to or away from each other. The belt type brake mechanism is installed on the side of the winch drum, braking of the low-speed high-torsion end is achieved, the damage probability of transmission components is reduced, and higher braking safety is achieved.

The present invention provides a method and device for analyzing the wind environment of a high-rise building, and relates to the technical field of high-altitude wind energy detection, comprising a building side wall arranged at the side of a high-rise building, wherein an air inlet is opened on the outer surface of the building side wall, an air inlet frame is installed at the air inlet position on the outer side of the building side wall, an air duct is connected to the air inlet position of the building side wall, the air duct is a curved pipe, the other end of the air duct is connected to a bellows, and the other end of the bellows is connected to an air suction pipe; the present invention installs the air inlet frame at the air inlet position on the outer surface of the building side wall, uses the air inlet frame as a shutter to protect the air inlet, adopts multi-faceted wind shields to splice at the air suction position of the air inlet frame to form a cross-sectional wind window, and several wind shields in the air suction port are flipped synchronously, and personnel do not need to contact the air inlet frame, and the opening or closing of the cross-sectional wind window can be remotely controlled, thereby reducing the waste of personnel dispatching.

This utility model discloses a steel-concrete composite column-beam joint connection structure, including a steel-concrete composite column main body. The outer surface of the steel-concrete composite column main body is provided with an I-shaped groove, which is distributed on both the left and right outer surfaces. An I-shaped beam is slidably inserted into the inner surface of the I-shaped groove of the steel-concrete composite column main body. A notch is provided on the outer end of the steel-concrete composite column main body at one of the I-shaped grooves, surrounding the outer end of the I-shaped groove. A corner positioning seat is fixedly connected to the outer surface of the steel-concrete composite column main body. The I-shaped beam adopts a through-type design, with its outer end welded and fixed to the surface of the steel-concrete composite column main body. The outer end is fixed by the corner positioning seat, and a wedge structure is provided on the inner side. After bolt fixing, the wedge can compress and tighten the I-shaped beam structure. During installation, it provides two-point support, ensuring stable support, reducing the number of threaded fasteners used, improving structural robustness, and enhancing support stability.

The utility model discloses a mobile power supply, comprising a power supply housing and a battery assembly, the power supply housing comprises a first housing and a second housing; first mounting plates are arranged on the two opposite sides in the first shell respectively, and the battery assembly is arranged between the first mounting plates on the two opposite sides; a buckle gap is formed between one side, back on to the battery assembly, of the first mounting plate and the side wall of the first shell; second mounting plates are arranged on the two opposite sides of the interior of the second shell correspondingly. When the first shell and the second shell are connected with each other, the second mounting plate is inserted into the buckle gap; and meanwhile, the second mounting plate applies an acting force towards the direction of the battery assembly to the first mounting plates, so that the first mounting plates positioned on the two opposite sides are matched with each other to clamp and fix the battery assembly. According to the utility model, the structural firmness between the battery assembly and the power supply shell is improved.

The embodiment of the present application relates to a preparation method of a power device and the power device, and the method comprises the following steps: forming a first groove extending from a first surface of a semiconductor substrate to the inside of the semiconductor substrate in a first region of the first surface; forming an insulating isolation layer on the side wall and the bottom wall of the first groove; forming a filling semiconductor layer in the insulating isolation layer; forming a photoelectric conversion device on the filling semiconductor layer; forming a source electrode and a gate electrode of a transistor in a second region of the first surface, and forming a drain electrode of the transistor on a second surface; wherein the gate electrode of the transistor is used for receiving an electrical signal from the photoelectric conversion device; thus, the photoelectric conversion device and the transistor are integrated on the same substrate, the device performance is good, the overall preparation process of the device is simple, and the preparation cost is low.

The utility model discloses laser cutting machine laser head is with round nut adjusting device, including force bar, stand, adjustable stand, pawl and limit nut, the force bar tip welding stand, and the adjustable stand can be movably arranged on the upper part of the pole, and the adjustable stand is still threadedly connected with the limit nut, and the adjustable stand is fixed on the force bar through the limit nut, the pawl is arranged at the opposite side of the end of stand and adjustable stand respectively. The utility model discloses simple structure, convenient operation, and the size is adjusted through adjustable stand and limit nut, is suitable for different specifications of round nut, and the versatility has been improved, the pawl is equipped on the both sides of device, can be firmly clamped into the gap of round nut, and the stress is even, and it is not easy to slip, and the dismounting is safer and more efficient, compared with traditional crescent wrench, is convenient for carrying and management, is suitable for laser cutting machine maintenance operation, can significantly improve laser equipment maintenance efficiency, and the knot can satisfy laser processing technology demand.

A corn stalk crusher assembly fixture includes a plasma welding head with a plasma nozzle connecting pipe at the bottom. A plasma welding mechanism is located at the bottom of the plasma nozzle connecting pipe, comprising a plasma welding device and an auxiliary cooling device. The plasma welding device is connected to the bottom of the plasma nozzle connecting pipe and performs plasma welding on the corn stalk crusher. An auxiliary cooling device is installed inside the plasma welding device to provide cooling and protection. An auxiliary mechanism connecting platform is located on the side of the plasma nozzle connecting pipe, and a ring laser auxiliary mechanism is located at the end of the auxiliary mechanism connecting platform. The ring laser auxiliary mechanism includes a ring laser auxiliary device and an auxiliary vibration device.

The utility model relates to the technical field of aluminum veneers, in particular to an aluminum veneer installed in a sliding mode, which improves the structural firmness, improves the installation stability, reduces the complexity of installation operation, improves the installation efficiency and reduces the installation cost. Comprising a plurality of groups of long aluminum plates and a plurality of groups of short aluminum plates which are alternately arranged; the shielding device, the positioning device, the U-shaped grooves, the bottom plates and the frameworks are further included, the U-shaped grooves are formed in the left ends and the right ends of the short aluminum plates correspondingly, the left portions and the right portions of the long aluminum plates are slidably sleeved with the U-shaped grooves correspondingly, and the frameworks are installed at the top ends of the bottom plates correspondingly; the top ends of the frameworks are connected with the tops of the inner side walls of the long aluminum plates correspondingly, the shielding devices are arranged on the front sides and the rear sides of the long aluminum plates and used for protecting the outermost sides of the long aluminum plates and the short aluminum plates, and the positioning device is arranged below the short aluminum plates.

A pulsator-bucket connection assembly and a washing machine, the pulsator-bucket connection assembly comprises a large-bucket pulsator and a small bucket, the large-bucket pulsator is convexly provided with a positioning column, the outer side of the bottom wall of the small bucket is concavely provided with a positioning groove, the positioning column is inserted into the positioning groove, a plurality of slots are provided on the outer side wall of the positioning column, the small bucket is provided with a plurality of limiting plugs on the inner side wall of its positioning groove, the limiting plugs are at least partially inserted into the slots. The above-mentioned pulsator-bucket connection assembly is applied to a washing machine, and the cooperation between the limiting plugs and the slots can improve the structural firmness of the small bucket after it is installed on the large-bucket pulsator, so that the small bucket is not easy to fall off during use. In this way, since the positioning column is embedded in the positioning groove, and the cooperation between the limiting plugs and the slots makes the small bucket have better structural firmness after it is installed on the large-bucket pulsator, so that the small bucket is not easy to fall off.