13results about How to "Not easy to scratch" patented technology

The present application belongs to the technical field of metal material casting and rolling, and discloses a vertical casting and rolling pouring system, which comprises a front box, a closed channel assembly arranged below the front box, a casting nozzle arranged at the bottom end of the closed channel assembly, a second runner arranged at one side of the front box, a downspout arranged at the end of the second runner away from the front box, a first runner arranged at the top end of the downspout, a first flow control device arranged at the pouring position of the first runner, and a second flow control device arranged at the pouring position of the front box. The serpentine channel composed of the first, second and third stop blocks arranged in the inner cavity of the casting nozzle can realize stable metal liquid supply. The pouring system has simple structure, convenient installation and debugging, and is suitable for mass production. In the vertical direction, the slag and bubbles in the metal liquid can float upwards and prevent entering the product, thereby improving the internal quality of the product.

This utility model discloses a single-pitch shift fork mechanism for sign assembly, relating to the field of sign assembly technology. It includes a mounting plate with a mounting rod fixedly connected to the top, and a guide plate three fixedly connected to the top of the mounting rod. In this utility model, the insertion rod is slidably connected to an auxiliary component, and the guide plate two is slidably connected to the guide plate one. A shift fork pitch cylinder drives the shift fork body to move, and the insertion rod slides along the auxiliary component, achieving distance adjustment between the two shift fork bodies. The shift fork cylinder drives the shift fork body and guide plate two to move, and the shift fork mechanism transfer cylinder drives the guide plate one to move along the guide rail, enabling the insertion and movement of signs, thereby assisting in sign assembly, reducing manual labor, preventing hand injuries, and ensuring assembly safety. A buffer plate is used to cushion and protect the sides of the guide plate one and limit its movement range, preventing the bottom of the guide plate one from separating from the guide rail.

A pumping device for dewatering foundation pits includes a fixed base at the top of the pit, a support frame and a first support on the fixed base, an inclined support rod on the first support, a fixed pulley at the end of the support rod, a rope sheave mounted on the support frame, and a rope sheave axle connected to the output shaft of a servo motor on the outside of the support frame. A pull rope is wound around the rope sheave, with its free end passing over the fixed pulley and connected to a pump. The pump is located inside the pit, and its outlet end has a water outlet pipe extending out of the pit to drain water. The pull rope is wound and extended by the servo motor to adjust the distance the pump extends into the pit. The distance between the pump and the inner wall of the pit is controlled by the swing angle of the support rod, thus preventing the pump from scraping against the ground during its lifting and lowering within the pit. A filter is installed at the inlet of the pump to prevent debris from entering the pump and causing malfunctions.

The present application relates to a kind of suspension grinding aids and its preparation method and application.The suspension grinding aid is composed of the following mass fraction of components: abrasive 10-50%, suspension dispersing agent 0.01-15%, organic base 1-20%, lubricant 1-30%, surface wetting agent 0.1-10%, and the balance is water.The suspension grinding aid is used for hard and brittle material thinning processing, which has high efficiency, less damage to hard and brittle material, can be reused multiple times, has long service life, and has wide application field.

This utility model provides an outdoor portable aquatic DNA enrichment device, belonging to the technical field of aquatic DNA enrichment devices. The utility model includes a main body with a pump inside. A water inlet pipe is located on one side of the main body. A drain pipe is inserted into the top of the enrichment reagent kit. Two handles are fixedly connected to the top of the main body. A positioning device is provided on the outer surface of each handle. The positioning device includes a U-shaped rod, and a locking block is slidably connected to one end of the inner wall of the pressure rod. By setting the positioning device, after the drain pipe is connected to the top of the enrichment reagent kit, the end of the drain pipe near the enrichment reagent kit is wrapped around the outer surface of the pressure rod, and the pressure rod restricts the position of the drain pipe outside the pressure rod. This minimizes the risk of the drain pipe loosening and falling off at the end near the enrichment reagent kit during use, thus improving the stability of the enrichment device during operation.

A method for preparing a binary formula for Dai pottery clay and its application is disclosed. The method involves taking Dai pottery clay from the Honghe River basin, five-colored clay from Honghe County, and charcoal powder. The Dai pottery clay and five-colored clay are sun-dried and weathered for at least three months. The Dai pottery clay from the Honghe River basin has a SiO2 content of not less than 50%, an Al2O3 content of not less than 15%, an Fe2O3 content of not less than 10%, and a loss on ignition of less than 10%. The five-colored clay from Honghe County has a SiO2 content of 72-82%, an Al2O3 content of 9-12%, and an Fe2O3 content of 3-5%. The method involves soaking the Dai pottery clay and five-colored clay in water until fully saturated, then ball-milling them. The slurry is sieved, and then charcoal powder is added. After stirring evenly, the clay is pressed to drain water and then kneaded to remove air. This invention can improve the throwing and molding performance of Dai pottery clay, increase the sintering temperature and the density and strength of its structure, and reduce the burn-off rate.

The friction strip type waste rock falling prevention carrier roller structure for the TBM belt conveyor comprises an installation frame, transverse supporting plates are vertically and symmetrically connected between the bottom edges of the inner walls of the ends of the two long edges of the installation frame respectively, and rotatable upper carrier rollers are transversely suspended on the inner side faces of the two transverse supporting plates respectively along the long axis of the installation frame. Inclined strut assemblies are symmetrically arranged on the two sides of the upper carrier roller in the long edge direction of the mounting frame; the inclined supporting assembly comprises two inclined supporting plates which are perpendicularly connected to the top faces of the ends of the corresponding transverse supporting plates respectively, and the back faces of the inclined supporting plates are fixedly connected with the inner walls of the corresponding long edges of the installation frame in an abutting mode. Two steel channels which are in clearance abutting connection side by side are transversely and fixedly connected between the inclined faces of the two inclined supporting plates in an attached mode, and wear-resisting rubber strips are detachably clamped and matched in the steel channels. According to the utility model, the channel steel and the wear-resistant rubber strip which are fixedly mounted are adopted to replace the original rotatable and easily damaged inclined carrier roller, so that the problem that the inclined carrier roller is easily collapsed by pressing is solved.

The application provides a ligature clip and a clip storage device, wherein the ligature clip comprises a first clip arm and a second clip arm, the first clip arm is formed with a locking hook, and the second clip arm is formed with a hook groove matched with the locking hook; the first clip arm has a first surface facing the second clip arm and a second surface facing away from the second clip arm, and a third surface and a fourth surface connecting the first surface and the second surface; the second clip arm has a fifth surface facing the first clip arm and a sixth surface facing away from the first clip arm, and a seventh surface and an eighth surface connecting the fifth surface and the sixth surface; the third surface and the fourth surface are flat and smooth; the seventh surface is provided with a first protrusion in a strip shape at a position close to the hook groove, the eighth surface is provided with a second protrusion in a strip shape at a position corresponding to the first protrusion, and the first protrusion and the second protrusion both extend outward beyond the hook groove; after the locking hook and the hook groove are matched, the second end of the first protrusion and the second end of the second protrusion are matched with the shape of the back of the locking hook and smoothly transition to the back of the locking hook. The ligature clip can reduce scratches and abrasions on the tissue in the body.

The utility model discloses a general type turns over board formula mobile phone game handle, including handle part and turning over board, handle part and turning over board one side edge articulate or pivot joint, the turning over board inner surface is the flat surface without the protrusion of edge, and the middle part is equipped with the magnetic block, the magnetic block is used for adsorbing the mobile phone with magnet / iron sheet of back surface self -supporting or additional installation, the turning over board can be equipped with the sliding block, and the front side of handle part slides out to adapt to the vertical placement of mobile phone, handle part is equipped with bluetooth module, game control button, joystick and power switch, the utility model discloses through "flat surface + magnetic adsorption" replace traditional fixed size's turning over board fixed mode, breaks the mobile phone model and size limit, realizes all type number adaptation, and portable, uses nimblely, can adapt to horizontal or vertical game scene.

This utility model relates to a main support sleeve for two-wheeled vehicles, which is detachably installed at the bottom of the main support. The sleeve includes a sleeve section fitted onto the main support and a support surface in contact with the ground. Using the support rod of the main support as a reference, the sleeve section is coaxially fitted onto the bottom of the support rod, or radially fitted onto the bottom of the support rod. This utility model saves on material costs, reduces welding deformation, and solves the problem of poor overall stability caused by incomplete stamping of parts. The finished main support is less likely to scratch floors, display stands, or other surfaces during use, reducing additional economic waste and enhancing the product's added performance.

The application relates to a slide pushing device of a medical slide numbering machine and the medical slide numbering machine. The slide pushing device comprises a mounting frame, a slide pushing head, a driving mechanism, a horizontal driving block and a slide loading box. The slide loading box is provided with a slide pushing opening and a slide outlet opening at the bottom. The slide pushing head enters from the slide pushing opening and pushes out the slide at the bottom end of the slide loading box. The slide pushing head is floatingly arranged on the horizontal driving block. When no external force is applied, the slide pushing head is at the upper stop point and can horizontally advance to push the slide in the slide loading box. When the slide pushing head retreats, the slide pushing head is pressed down by the slide above to reduce the friction between the slide pushing head and the slide. The slide pushing head is designed to be up-and-down floating. When the slide pushing head horizontally advances, the slide at the bottom end in the slide loading box can be horizontally pushed out. When the slide pushing head retreats, the slide pushing head is pressed down and can be smoothly withdrawn from the slide loading box. The slide above does not need to be completely lifted up, the abrasion of the slide is small, and the slide surface is less likely to be scratched.

This utility model relates to a packaging machine for pruning machine blades, comprising: an unwinding assembly for unwinding packaging tape; a feeding assembly including a feeding frame, feeding rollers rotatably mounted between the feeding frames and spaced apart, and feeding tape wound around the feeding rollers; and a packaging assembly including a packaging frame, a carrier plate fixed to the top of the packaging frame, and a gathering mechanism disposed on the top of the carrier plate. This utility model has a simple structure and a high degree of automation. The unwinding assembly unwinds the packaging tape, the feeding assembly conveys the pruning machine blades to be packaged, the packaging assembly rewinds the tape while simultaneously receiving the blades conveyed by the feeding assembly, and finally, the packaging assembly gathers the tape together, thus completing the packaging of the blades. Compared to manual packaging, this improves the efficiency of blade packaging, saves labor costs, and reduces the labor intensity of operators.

The application provides a reel, comprising: a reel shaft having a first end and a second end, a shaft wall of the reel shaft is concave, and N groups of clamping grooves are formed in the shaft wall, the N groups of clamping grooves are arranged at intervals along an axial direction of the reel shaft; N stop discs, a mounting hole is arranged at a middle part of each stop disc, a group of buckles are arranged on a hole wall of each mounting hole, the reel shaft is inserted into the mounting hole of each stop disc, and the N groups of buckles are correspondingly clamped with the N groups of clamping grooves, so that the N stop discs are arranged at intervals along the axial direction of the reel shaft and outside the reel shaft; N is an integer greater than or equal to 3; the axial direction of the reel shaft is a direction in which the first end of the reel shaft points to the second end; N-1 winding drums, each winding drum is coaxially arranged between two adjacent stop discs, so that each winding drum and the corresponding two stop discs located outside the winding drum define a winding cavity. The reel can wind multiple carrier tapes and constrain the carrier tapes along the axial direction of the reel shaft, so that displacement of the carrier tapes after packaging does not cause the carrier tapes to scratch the packaging bag, and thus packaging cost is easy to control and air tightness failure is avoided.