32results about How to "Cause rust" patented technology

The invention discloses a connecting device for an overwater aircraft, an entertainment overwater aircraft and a method. A hose is included. According to the entertainment overwater aircraft with highsafety, through mutual cooperation of a connecting pipe, internal threads, external threads, a first through hole, a second through hole, a fixing sleeve, a first sealing gasket, a second sealing gasket and a limiting block, awater inlet pipe pushes a first sealing gasket to be tightly attached to a second sealing gasket; through mutual cooperation of a waterproof pad, a fixing block, a telescopic device, a first sliding block, a stop block, a connecting rod, a clamping block and a clamping groove, the first sliding block slides in a first sliding groove and pulls a telescopic device to extend, the bottom end of the connecting rod rotates to the position below the waterproof pad, the waterproof pad and the bottom end of the connecting pipe are fully closed, and protection of the waterproof pad on the connecting pipe is facilitated; by the adoption of the structure, corrosion of the internal threads and the external threads due to the fact that water enters the connecting pipe is avoided, the safety and the sealing performance of the overwater aircraft are improved, the safety of the overwater aircraft is improved, and the situation that the overwater aircraft cannot take off due to poor sealing performance is avoided.

The invention relates to an activating grinding aid for steel slag micro-powder, and a preparation method thereof. The activating grinding aid comprises the following raw ingredients in parts by weight: 15-45 parts of an amide compound, 3-35 parts of alkanolamine, 5-20 parts of ethylene diamine or derivatives thereof, 0.1-0.5 part of a defoaming agent, and 15-70 parts of water. The preparation method for the activating grinding aid comprises the steps of: sequentially adding the 15-45 parts of amide compound, 3-35 parts of alkanolamine and 5-20 parts of ethylene diamine or derivatives thereof into 15-70 parts of water for mixing and stirring, and then adding the 0.1-0.5 part of defoaming agent to the mixture to obtain the activating grinding aid for the steel slag micro-powder. The activating grinding aid for the steel slag micro-powder is simple in preparation technique and less in usage amount, and is not only excellent in grinding aiding effect, but also capable of improving the activity index, especially 28d activity index, of the steel slag micro-powder; and the steel slag micro-powder does not contain chloride ions, thus meeting the national standard.

The invention discloses a dustproof sunroof slideway. The dustproof sunroof slideway comprises a slideway body, a reinforcing rib, a lower slideway, an upper slideway and a slideway face, and is characterized in that the middle of the slideway body is provided with the slideway face; two sides of the slideway face are provided with the lower slideway and the upper slideway; the inner side of the upper surface of the upper slideway is provided with a groove; the upper end face of the slideway face is provided with a folding dustproof device; the tail end of the dustproof device is fixed to one end of the upper slideway; the front end of the dustproof device is connected with a driving arm of a sunroof transmission mechanism; two sides of the dustproof device are respectively provided with a drooping edge for covering the slideway face; each drooping edge is provided with a plurality of conveniently folded notches or gaps. When a sunroof is completely closed, a non-woven belt or a wavy rubber belt is extruded to one end by the driving arm; when the sunroof is opened, as the driving arm moves, the driving arm can stretch the non-woven belt or the wavy rubber belt to cover a slideway opening, and drooping edges on the two sides are fitted with the groove to form a closed section.

The invention discloses a beam-column connecting node assembled by adopting a high-strength bolt. The beam-column connecting node assembled by adopting the high-strength bolt comprises a precast column, precast beams, a steel plate, a tooth-shaped bolt, a connecting plate and a node fixing piece, wherein a precast through hole penetrating through the left side surface and the right side surface ofthe precast column is horizontally formed in the precast column; the steel plate is matched with the precast through hole and is horizontally embedded into the precast through hole; the two groups ofprecast beams are symmetrically arranged on the left side surface and the right side surface of the precast column; precast blind holes matched with parts, stretching out of a precast column body, ofthe steel plate are formed in one ends, adjacent to the precast column, of the precast beams; a main body of the node fixing piece is in a door-type frame shape; the main body part of the node fixingpiece is clamped in the upper half parts of the precast beams; and rain shelter plates located above the precast beams are further symmetrically arranged on the left side surface and the right side surface of the precast column. According to the beam-column connecting node assembled by adopting the high-strength bolt provided by the invention, the precast column and the precast beams are in transition connection through the steel plate so as to be connected into a whole, so that the strength, the integrality and the cooperativeness of beam-column combination are improved.

A high-efficiency cooling device for a cooling mechanism, which is mainly fixedly connected to the first water supply pipe by a bracket, so that the first water supply pipe can spray cooling water from bottom to top toward the sprinkler tray, and then utilizes the functions of the water cooling unit and the air cooling unit to make the The cooling water can be evenly sprinkled to the heat exchange unit, allowing the high-temperature gaseous refrigerant to release heat energy to cool down and condense into a liquid refrigerant. And the waterproof cover is arranged under the power unit, and the first water supply pipe sprays cooling water from bottom to top towards the sprinkler plate, so as to prevent the cooling water and moisture in the air during the circulation of the water-cooling unit from being brought in with the operation of the power unit. Inside the power unit, causing rust inside the power unit.

The invention discloses a large-volume self-compacting concrete, which is composed of a cementitious material, aggregates, a composite admixture and mixing water; the cementing material is added in an amount of 500kg-600kg per cubic meter of concrete, the aggregate is The added amount is 1640kg-1730kg, the added amount of the composite admixture is 9kg-12kg, and the ratio of the added amount of mixing water to the added amount of the cementitious material is 0.28 to 0.32; the composite admixture at least includes polycarboxylate superplasticizer and Gellan gum. The invention also provides a preparation method of large-volume self-compacting concrete. The concrete mixture of the invention has good compaction performance and good flow performance, prolongs the concrete setting time, facilitates the expansion agent to fully exert the expansion performance, delays the peak time of hydration heat, and solves the problem of the large fluidity and stability of the self-compacting concrete mixture. The contradiction between early strength and retardation, the contradiction between contraction and expansion, etc.

The invention belongs to the technical field of steel wire rope surface treatment, in particular to a surface treatment device for steel wire ropes. The following proposal is now proposed, including a base and a sliding frame, and the inner wall of the sliding frame is fixedly connected with two outer layers. The present invention is provided with an embroidery slag cleaning component. After a section of steel wire rope is polished, the upper and lower cylinders are adjusted to drive the bending plate to press down and rise, and every two adjacent bending plates clamp the steel wire rope into it, so that the steel wire rope is passively bent. During the process, the oscillating spring is squeezed, and the cylinder drives the bending plate to reset. The oscillating spring oscillates repeatedly, thereby driving the impact head on the bending plate to impact the steel wire rope in different degrees, and the embroidered slag belt still attached after the surface is polished At the same time, the steel wire rope is transformed from a bent state to a stretched state, and the shock force generated also has the effect of cleaning up the embroidered slag, ensuring that there is no embroidered slag on the surface of the polished steel wire rope, and improving the grinding effect of the steel wire rope.

The present invention relates to a segmental cutting device, in particular to a segmental cutting device for sweet bar joints. The technical problem to be solved is: to provide a segmental cutting device for sweet bar joint heads which can save manpower, have consistent cutting length and will not be cut by blades during the cutting process. The technical solution of the present invention is: a segmental cutting device for sweet bar joints, including a base, a mounting seat, a mounting frame, a first rotating shaft, etc.; a mounting seat is provided on the right side of the top of the base, and a mounting shelf. The invention rotates by pulling the first push rod, the rotation of the first push rod drives the cam disc to rotate, and the rotation of the cam disc drives the first push rod to move downward through the arc groove, thereby driving the guide rod to move downward, and then the guide rod drives the cutting head Moving downwards, the cutting head cuts off the sweet bar joints in sections, and through the cooperation of the rubber ball and the first disc, the sweet bar joints on the first disc fall to the base through the opening, so that the user can easily No need to manually clean the sweet bar joints.

The invention belongs to the technical field of intelligent furniture, and particularly relates to a convenient-to-adjust cutter storage device for intelligent furniture. In order to solve the problems that for an existing cutter storage device, the design structure is relatively simple and the function is relatively single, a scheme is currently provided and is characterized in that the convenient-to-adjust cutter storage device comprises a base, a rotating table and cylinder bodies, a warning lamp is fixed on the outer wall of one side of the base through screws, a control box is fixed at the end, far away from the warning lamp, of the outer wall of one side of the base through screws, moreover, a first groove is formed in the outer wall of one side of the control box, a display screen is fixed on the inner wall of the first groove through screws, and an operation key is arranged on the outer wall of the side, close to the display screen, of the control box. According to the convenient-to-adjust cutter storage device, the height of a main body can be adjusted through first hydraulic cylinders according to the needs of a user, a stored cutter can be sterilized, a resistance heating wire and a dehumidification fan are arranged so that the dewatered cutter can be dried, and then the situation that due to the fact that water is left on the surface of the cutter, the surface of the cutter is rusted can be prevented.

The invention discloses a conveying device for automatic feeding of a dryer with a preliminary drying function, comprising a power device, a bearing device, a flow guiding device and an adjusting device. The device is tightly connected with the guide device, the adjustment device is connected with the bearing device, the guide device is connected with the adjustment device, the power device includes a drive motor, a transmission wheel and a conveyor belt, the inner ring of the conveyor belt is provided with two transmission wheels, the transmission wheel and Conveyor belt drive connection, two transmission wheels are provided with brackets on both sides, the transmission wheel and the bracket are connected in rotation, the moving direction of the upper side of the conveyor belt is the feeding direction, the driving motor is located on the side of the bracket at the front end of the feeding direction, and the output end of the driving motor It is connected with the transmission wheel at the front end of the feeding direction, and the drying strength of the raw material is adjusted by the adjusting device, so that the humidity of the raw material is at a lower threshold value, so as to ensure the drying quality.