11results about How to "Large swing" patented technology

The application relates to a heat dissipation technology field of a fuel cell, in particular to a heat dissipation device integrated with anti-vibration and a fuel cell heat dissipation system, which comprises a shell, a fan arranged in the shell and a heat exchanger arranged on the side of the shell, and further comprises two opposite vertical arms arranged in the shell, a plurality of guide vanes corresponding to the gaps between two adjacent fins of the heat exchanger are rotatably arranged between the two vertical arms; the inclined guide vanes can change the flow direction of the airflow, so that the airflow can directly impact the wall surface of the fin, thereby effectively destroying the airflow layer wrapped on the fin due to vibration and not easy to flow, when the vibration intensity increases, the swing amplitude of the guide vanes increases, so that the stripping effect of the airflow on the low-speed airflow layer attached to the wall surface of the fin is more intense, the stripping effect of the airflow layer automatically matches the current vibration condition, the speed regulation mechanism increases the rotating speed of the fan, compensates for the additional wind resistance loss, and ensures that the convective heat exchange efficiency is maintained under different intensity vibration working conditions.

This utility model discloses a breakaway valve with low flow resistance characteristics, comprising: a first valve, a second valve fixedly connected to one end of the first valve, the first valve and the second valve including a transition chamber, a buffer chamber fixedly connected to the other end of the transition chamber, a large-diameter valve body fixedly connected to the other end of the buffer chamber, a support frame fixedly connected to the lower surface of the first valve, two fixed rods fixedly connected to the upper surface of the support frame, a side frame fixedly connected to the side surface of the support frame, a fixed plate fixedly connected to the front surface of the side frame, and two springs fixedly connected to the front surface of the fixed plate. Through the cooperation of the transition chamber, the buffer chamber, and the large-diameter valve body, the progressive flow diameter allows the valve inlet and outlet to gradually transition to the larger flow diameter inside the valve, avoiding flow interference caused by abrupt changes, reducing flow resistance, and the large-diameter design increases the channel diameter. The enlarged internal channel ensures that the fluid flows at a higher speed, further improving flow efficiency.

The present application belongs to the field of robot technology, and particularly relates to a small-diameter pipe detection robot with elastic clamping suspension, comprising three same climbing sub-mechanisms, adjacent climbing sub-mechanisms being connected with each other to form a three-side structure; each climbing sub-mechanism comprises a driving wheel type moving sub-mechanism, a driven wheel type moving sub-mechanism and a frame mechanism, the driving wheel type moving sub-mechanism and the driven wheel type moving sub-mechanism being arranged on two sides of the frame mechanism respectively; in the three-side structure formed by the three climbing sub-mechanisms, three groups of driving wheel type moving sub-mechanisms are arranged on one side of the frame mechanism, and three groups of driven wheel type moving sub-mechanisms are arranged on the other side of the frame mechanism. The robot has simple structure, is convenient to disassemble and assemble, has strong obstacle crossing ability, and can be applied to the outer surface inspection of pipes with different diameters.

The utility model provides a kind of traction mechanism of box elevator, belong to elevator traction equipment technical field, including the motor being set in the top of rack, the traction rope being set in the bottom of motor, the support plate is set in the top of rack, opening is set on support plate for the traction rope movement, opening is set with detection ring, the left and right sides of detection ring are respectively provided with one positioning assembly, cavity is set in detection ring, detection device is set in cavity, anti-shake component is set in the bottom of support plate, the utility model generates infrared light by infrared light emitting tube, makes light to traction rope, when infrared light is shielded by traction rope, it is judged as not broken, when infrared light is not received by traction rope shielding, it is irradiated to infrared light receiving tube, it is judged as broken line and state is converted into data box recognizable digital signal at this time, to monitor the state of traction rope in real time, when traction rope state is abnormal, it can be found in first time maintenance, to reduce the probability of safety accident due to traction rope fracture.

The utility model relates to the technical field of quartz sand blasting, in particular to an automatic quartz sand blasting machine for quartz surface treatment, which comprises a sand blasting cabinet, a blanking barrel is fixedly connected to the top of the sand blasting cabinet, and a recycling barrel is fixedly connected to the top of the sand blasting cabinet and located on the outer side of the blanking barrel. The recycling barrel and the discharging barrel both extend into the sand blasting cabinet, a visual window is formed in the outer portion of the sand blasting cabinet, a cabinet door is hinged to the side, away from the visual window, of the sand blasting cabinet, a fixing plate is fixedly connected to the inner side wall of the sand blasting cabinet, and a driving table is fixedly connected to the top of the fixing plate. The automatic quartz sand blasting machine comprises a driving table, an inserting shaft is slidably connected to the interior of the driving table, a mounting base is fixedly connected to the end, away from the driving table, of the inserting shaft, and a rotating disc is rotatably connected to the interior of the mounting base. And the angle of the spray head can be adjusted, and the overall practicability is greatly improved.

The invention discloses edge gateway equipment with a heat dissipation mechanism, and relates to the technical field of gateway equipment, the edge gateway equipment comprises a gateway body and heat dissipation fins, the heat dissipation fins are arranged on the side edge and the top of the gateway body, each heat dissipation fin comprises a heat conduction plate and a plurality of fin strips, the fin strips are uniformly arranged on the heat conduction plate, and the heat dissipation mechanism is arranged on the gateway body. A plurality of assembling grooves are formed in the outer surface of the heat conduction plate, the interiors of the assembling grooves are assembled and connected with the lower ends of the fin strips through memory alloy blocks, the lower ends of the memory alloy blocks in a heated and unfolded state extend to the outsides of the assembling grooves, electrical elements are assembled in the gateway body through a substrate, and heat conduction pipes are arranged on the side edges of the substrate through heat conduction pieces. The end, away from the substrate, of the heat conduction pipe extends to the side wall of the gateway body. The micro grooves, the heat conduction pipes and the memory alloy are integrated to drive the vibration fins, zero-energy-consumption automatic vibration flow increasing and efficient heat exchange are achieved, and the passive heat dissipation performance under the natural convection condition is remarkably improved.

A slag removal device for an aluminum molten furnace includes a forklift and a slag removal rod. The slag removal rod has a slag removal plate at its head and an insertion part at its tail, the height of which is higher than the height of the slag removal plate. The slag removal rod is detachably mounted on the forklift's forks via the insertion part, thus forming the slag removal device for the aluminum molten furnace. This invention has a simple structure, low processing cost, and can significantly reduce manual labor intensity while improving slag removal and stirring efficiency.

This invention relates to the field of 3D printing technology, and in particular to a 3D printer with a fully enclosed infrared constant temperature cavity, including a printer body, a gantry set inside the printer body, and an extruder movably mounted on the gantry. The gantry has a built-in transmission system for driving the extruder to move laterally and longitudinally inside the printer body. A forming platform is provided at the bottom of the gantry, which is driven by the transmission system to move up and down. This invention realizes the reciprocating swing motion of the swing plate and swing ring through the swing heating component, so that the annular heating tube and the long strip heating tube can dynamically radiate the side area of ​​the forming platform in layers and at multiple angles. The fixed-point temperature compensation component is always accurately aligned with the extruded material to ensure the continuity and accuracy of temperature compensation, which significantly improves the printing quality and success rate. The turbulence temperature control component makes the infrared heat radiation continuously dispersed by the rotating turbulence plate and evenly cover all areas of the bottom of the forming platform.

The application discloses an underwater prefabricated component installation method, wherein a pull ring is embedded on an underwater base surface, and a lifting ring is embedded on the top surface of a prefabricated component; one end of a traction rope is connected to the front lifting ring of a first prefabricated component, the other end of the traction rope passes through the pull ring, the first prefabricated component is lifted to the upper side of the target position, the traction rope is pulled to drive the first prefabricated component to approach the target position, the first prefabricated component is lowered to the underwater base surface, and the first prefabricated component is positioned when the traction rope cannot be pulled; one end of the traction rope is connected to the front lifting ring of a current prefabricated component, the other end of the traction rope passes through the rear lifting ring of a previous prefabricated component, the current prefabricated component is lifted to the upper side of the previous prefabricated component, the traction rope is pulled to drive the current prefabricated component to approach the previous prefabricated component, the current prefabricated component is lowered to the underwater base surface, and the current prefabricated component is positioned when the traction rope cannot be pulled.

This utility model provides a multi-fold discharge channel for a material screening system, belonging to the field of material screening and transportation. It includes a multi-fold discharge pipeline comprising a first pipe, a second pipe, and a bent pipe. The upper inner wall of the bent pipe is equipped with a progressive weakening mechanism, which includes two mounting frames. Multiple rotating shafts and frames on the rotating shafts are arranged between the two mounting frames. The frames are linearly distributed at equal intervals, and each frame contains an elastic plate. This utility model enables material transportation at the material screening outlet while reducing the intensity of collisions at the channel bends, achieving "soft contact," effectively reducing the broken rice rate, ensuring product quality, meeting qualification standards, and effectively improving production efficiency. It has a simple structure, is easy to install, and has low cost, possessing practical value and market potential.