7results about How to "Won't loose" patented technology

The application relates to the technical field of wear resistance of metallurgical equipment, and provides an easy-to-maintain wear-resistant device for a sintering rubber belt machine discharging chute, which comprises a chute body, a baffle arranged on both sides of a material impact surface of the chute body, a plurality of steel bars, the plurality of steel bars being arranged in parallel and at intervals on the material impact surface of the chute body and used for bearing direct impact and wear of the material, a U-shaped clamping groove fixedly arranged on the material impact surface of the chute body and having an opening upward, a rod body of the steel bar being embedded in the U-shaped clamping groove so as to realize quick positioning and supporting of the steel bar, and a fastening nut in threaded connection with the end of the steel bar and used for axially pressing and fixing the steel bar between the baffles of the chute body by being screwed. The steel bar, the U-shaped clamping groove and the fastening nut constitute an independent wear-resistant module, and can be separately disassembled and replaced. The device solves the problems of poor wear resistance and inconvenient maintenance of the discharging chute in the prior art.

The utility model relates to the technical field of pulverized coal sampling devices, and discloses a negative pressure suction type pulverized coal sampling device which comprises a pneumatic cylinder, a plurality of pistons are fixedly connected to the driving end of the pneumatic cylinder, a first connecting pipe is slidably connected to the outer portions of the pistons, and a second connecting pipe is fixedly connected to one end of the first connecting pipe. Two fixing rings are fixedly connected to the inner wall of the second connecting pipe, a sliding way is formed in the inner wall of each fixing ring, a sliding plate is slidably connected to the inner wall of each sliding way, and a connecting assembly is slidably connected to the bottom of the second connecting pipe. According to the utility model, after pulverized coal enters the connecting pipe II through the feed opening, the pneumatic cylinder is started, the driving end of the pneumatic cylinder drives the plurality of pistons to do reciprocating rectilinear motion in the connecting pipe I, the sliding plate slides along the slideway on the inner wall of the fixing ring under the constraint of negative pressure suction force and a mechanical structure, and the sliding block is driven by the connecting rod to synchronously move, so that the pulverized coal in the feed opening is extracted; and sampling operation is completed.

The utility model provides a curtain wall connecting structure for a building. The curtain wall connecting structure structurally comprises a connecting plate, the end portion of an opening of the U-shaped fastening piece movably penetrates through the connecting plate, the end portion of the opening of the U-shaped fastening piece is sleeved with a limiting nut in a threaded mode, during installation, the connecting plate is arranged between the single curtain wall and the supporting structure, the connecting end of the curtain wall penetrates through a notch of the U-shaped fastening piece, and after a worker screws the limiting nut tightly, the limiting nut is connected with the connecting plate in a threaded mode. Then, a worker can use a tool to screw in an acting bolt, the acting bolt generates an inclination effect on an inclination acting block in the screwing-in process, the inclination acting block drives a limiting rod to stretch into an insertion hole, the U-shaped fastener is limited for the second time, and then the U-shaped fastener is clamped and fixed to the connecting end of the curtain wall; and after the curtain wall is impacted by the outside, the U-shaped fastener is effectively prevented from loosening.

The utility model discloses a new energy automobile radiator with a flow guide structure, which comprises a heat conducting plate, a fan and an air duct, a base plate is mounted on the heat conducting plate through a buckling mechanism, a plurality of arc-shaped fins are arranged on the surface of the base plate, the section of each arc-shaped fin is U-shaped, the fan is mounted at the center of the base plate, and the air duct is connected with the arc-shaped fins; when the substrate is placed on the heat-conducting plate, the clamping groove is aligned with the limiting block, the limiting block presses the heat-conducting plate and prevents the heat-conducting plate from sliding, the pressing block is rotated to press the other side of the heat-conducting plate, the non-slip mat can limit rotation of the pressing block, the pressing block is matched with the limiting block to achieve rapid assembly of the substrate and the heat-conducting plate, and the heat-conducting plate cannot be loosened due to vibration. And the fan can extract surrounding air at 360 degrees, air channels are formed between the arc-shaped fins to guide the air to flow to the fan, the fan can quickly and uniformly cool all the arc-shaped fins, and the heat dissipation effect is good.

The application discloses a chip barrier layer removing method, which comprises the following steps: coating silicon grease on one side surface of a first glass slide and a second glass slide respectively to obtain a first silicon grease layer and a second silicon grease layer; adhering one side surface of the barrier layer to one side surface of the first silicon grease layer; coating melted hot melt adhesive on one side surface of a metal layer so that the hot melt adhesive wraps the chip; adhering one side surface of the second silicon grease layer to one side surface of the hot melt adhesive to obtain a laminated structure; cooling the laminated structure until the hot melt adhesive solidifies; removing the first glass slide, the second glass slide, the first silicon grease layer and the second silicon grease layer to obtain an intermediate composite structure in which the chip is partially wrapped by the hot melt adhesive and the barrier layer is exposed; and grinding the barrier layer of the intermediate composite structure with a flannel repeatedly until the barrier layer is removed and the metal layer is exposed. The application increases the area of the chip by using the hot melt adhesive, improves the convenience of manually grinding and removing the barrier layer, and ensures the integrity and surface flatness of the chip.

The utility model discloses a fully-sealed electrical on-off device, which comprises a plug module comprising a plug shell, a plug sealing structure and a plug guide column, the plug sealing structure is arranged around the plug guide column, and a plug-in metal sheet is arranged in the plug guide column; the socket module comprises a socket shell, an electrical terminal and a socket sealing structure, the electrical terminal is movably arranged in the socket shell, the socket shell is provided with a plug guide hole for the plug guide column to pass through, the socket sealing structure comprises a sealing guide column, the sealing guide column can move up and down, and when plugging is not carried out, the sealing guide column is inserted into the socket shell. The sealing guide column seals the plug guide hole, and during plugging, the electrical terminal is contacted with the plug-in metal sheet. The beneficial effects of the utility model lie in that automatic on-off and full sealing of the plug module and the socket module are realized, the waterproof performance is good, and the use safety is ensured.

This utility model provides a wiring screw structure and wiring device. The wiring screw structure includes a screw body, a wire gathering component, and a wire clamping component. The wire gathering component is used to insert wires and is sleeved on the screw body. The wire clamping component is used to clamp the wire gathering component and includes two wire clamping washers, which are sleeved on the screw body and located on both sides of the wire gathering component. This utility model allows for direct insertion of wires into the wire gathering component, which is highly efficient. After insertion, the screw can be tightened directly, effectively improving wiring efficiency. Moreover, by collecting wires through the wire gathering component, flying wires can be eliminated, making the engineering wiring neat and beautiful, and improving on-site wiring safety. Furthermore, by clamping the wire gathering component with the wire clamping component, the wire gathering component is fixed between the two wire clamping washers, ensuring reliable crimping and preventing the wire gathering component from loosening under force, thus ensuring safe and reliable on-site wiring.