32results about How to "Even force up and down" patented technology

The present invention relates to a variable bearing-disc enlarged bottom pile, its forming method and forming equipment. The variable bearing discplate pile includes a pile column, in which there are several bearing discs with different diameters, these bearing discs are placed at the different positions of the pile column. Its forming method includes the steps: 1). driving the pile hole; 2). squeezing and expanding to form cirfumferential conical bearing discs with different diameters; and 3) inserting steel reinforcement cage and then pouring concrete to form the invented variable bearing-disc enlarged bottom pile. Its forming equipment is formed from components of oil cylinder, machine frame, upper pin shaft, lower pin shaft, guide block, upper supporting arms, changeable lower supporting arm, superstatic fixed end head and others.

A friction-free conveying valve easy to open and close comprises a conveying valve element. The conveying valve element comprises a first sealing door, a second sealing door, a lifting mechanism and a first lifting plate. The first sealing door and the second sealing door are connected with the first lifting plate through first hinge pieces and second hinge pieces respectively. A first limiting piece and a second limiting piece are arranged on the two sides of the first lifting plate in the vertical direction respectively. The first sealing door is connected with the first limiting piece and the second limiting piece through third hinge pieces. The second sealing door is connected with the first limiting piece and the second limiting piece through fourth hinge pieces. The first hinge pieces and the second hinge pieces are arranged to be of a top-down structure from the first lifting plate to the first sealing door or the second sealing door. The third hinge pieces and the fourth hinge pieces are arranged to be of a down-top structure from the first limiting piece and the second limiting piece to the first sealing door or the second sealing door. The friction-free conveying valve easy to open and close has the advantages of being free of friction, more convenient to open or close and better in sealing effect.

The invention relates to the technical field of winding roller type fly gauze windows, in particular to an opening and closing device for a winding drum type invisible gauze window. An invisible gauze lead-out device comprises a rotary handle, gears and a reel. A linkage device comprises pulleys, a wire connector and steel wire ropes. An invisible gauze assembly device comprises a gauze pull rod, and the gauze pull rod is connected with gauze. The rotary handle is connected with the gears. The gears are connected with the reel. The steel wire ropes are wound around the reel. The steel wire ropes extend out of the tail end and the head end of the invisible gauze lead-out device respectively and are connected with the two ends of the gauze pull rod through the pulleys, wherein the multiple steel wire ropes at one end are provided with the wire connector and are combined together through the wire connector so that vertical stress of the invisible pull rod can be uniform and vertical movement of the invisible pull rod can be guaranteed; at the moment, the invisible gauze is in a tightened state and can not deform under the wind action; consequently, the problems that the invisible gauze is inclined, gets stuck, trips and the like because of unbalanced stress points when the invisible gauze is led out due to different specifications of the invisible gauze, different elevations and operators with different heights in the industry are solved.

A method for preparing large-sized metal skin refractory bricks and a mold thereof, belonging to the technical field of refractory materials. Plates, Die End Plates and Die Covers. The method of the invention improves the uniformity of the pressing force by designing the upper and lower forces of the refractory bricks, ensures that sufficient pressure does not crack, improves the covering firmness of the metal skin by designing the metal skin special-shaped hooks, and protects the metal skin through a special mold, and the movable side of the mold is The plate and the metal skin can move synchronously to avoid the deformation of the metal skin or the existence of friction and scratches, and at the same time protect the abrasive tool and prolong the service life of the abrasive tool, so as to improve the production qualification rate and production efficiency.

The invention relates to a cable climbing robot, which comprises an outer framework, clamping mechanisms and climbing mechanisms, wherein the clamping mechanisms and the climbing mechanisms are arranged on the outer framework; the outer framework is a cubic framework; each edge of the upper surface and the lower surface of the outer framework is respectively connected with an inner edge frame through a radial frame, and one clamping mechanism and one climbing mechanism are respectively arranged at each side surface of the outer framework; in each clamping mechanism, a ball screw is connected between vertical rods at the side surface of the outer framework; two edges of the ball screw have opposite screwing directions; two screw nuts of the ball screw are respectively hinged to connecting rods; the other end of each of the two connecting rods is hinged to the back part of a clamping support plate, and rolling wheels are arranged at the upper end and the lower end of the clamping support plate and are matched with the radial frame; in each climbing mechanism, a guide rod is hinged to one end of the inner side of the clamping support plate; a guide wheel is arranged on the guide rod; a nitrogen spring is arranged at the other end of the inner side of the clamping support plate and is hinged to a balance beam, and a driving wheel and a driven wheel are respectively arranged at the upper end and the lower end of the balance beam and are connected by a synchronous belt. The cable climbing robot has the advantages that the cable climbing robot can be used for cables with large diameter differences; the clamping force is good; the cable climbing capability and obstacle crossing capability are higher, and the seizure and slippage can be avoided.

A friction-free conveying valve easy to open and close comprises a conveying valve element. The conveying valve element comprises a first sealing door, a second sealing door, a lifting mechanism and a first lifting plate. The first sealing door and the second sealing door are connected with the first lifting plate through first hinge pieces and second hinge pieces respectively. A first limiting piece and a second limiting piece are arranged on the two sides of the first lifting plate in the vertical direction respectively. The first sealing door is connected with the first limiting piece and the second limiting piece through third hinge pieces. The second sealing door is connected with the first limiting piece and the second limiting piece through fourth hinge pieces. The first hinge pieces and the second hinge pieces are arranged to be of a top-down structure from the first lifting plate to the first sealing door or the second sealing door. The third hinge pieces and the fourth hinge pieces are arranged to be of a down-top structure from the first limiting piece and the second limiting piece to the first sealing door or the second sealing door. The friction-free conveying valve easy to open and close has the advantages of being free of friction, more convenient to open or close and better in sealing effect.

The invention discloses a door and window assembly fixing device. A fixed pedestal is included, chutes interlaced vertically and horizontally are formed in the fixed pedestal, the chutes are connectedwith slide blocks, the top of each slide block is provided with a fixing device, each fixing device comprises a connecting shaft, each connection shaft is rotationally connected with an adjusting plate, one side of the adjusting plate is rotationally connected with a locking mechanism via a rotating shaft, the locking mechanism comprises a U-shaped plate, the top of the U-shaped plate is providedwith an upper fixed plate, the upper fixed plate is in rotational connection with the U-shaped plate via two connecting rods in parallel, the top of the side, far from the connecting shaft, of the U-shaped plate is fixedly connected with a first handle, the top far from the first handle of the connecting rod is fixedly connected with a second handle, and a tensioning device is arranged between the first and second handles. Thus, the chutes interlaced vertically and horizontally are arranged, so that the fixing devices can be moved to random positions, and window / door frames in different shapes can be fixed.

The present invention is open to a structure of bamboo skin -made partition, including several tough and rectangular shots, which are arranged vertically in order from left to right.The side split between the side, the combination of several shields forms a partition surface, and at least two rows of pores are opened on the partition surface from top to bottom, and each row of pores consist of several pores.There are two pores, and each row of holes corresponds to a pull rope. The left end of the pull rope is fixed on the installation surface.When the two pads are tangled, the blocks are wrapped in a circle. The same direction of the same one tape rope entangled shield is the same.Wind winding together to form a pull -up hand, which can be fixed, the diversification and regulatory of partitions can be fixed; the twisting effect is unified and can be more naturally integrated into the space.

A cable climbing robot comprises an outer frame and an inner climbing mechanism, wherein a ball screw with opposite turning directions at two ends is connected between upright tubes of each side face of the outer frame through bearings, and every two opposite ball screws are driven by a motor; each side face of the outer frame is provided with a slide block formed in a way that a cross rod connects two vertical rods, and slide block guide wheels at the upper and lower ends of the vertical rods are in contact with top rods and bottom rods of the outer frame; the outer sides of the two vertical rods both are fixedly provided with screw nuts; two pairs of clamping support plates are respectively fixed to two opposite pairs of cross rods, certain ends of the inner sides of the clamping support plates are hinged to guide rods with guide wheels, and extension springs are arranged between the guide rods and the clamping support plates, and the other ends of the clamping support plates are provided with guidance rods; the ends, extending inwards, of the guidance rods are hinged to balance beams, and pressure sensors and compression springs sleeve the guidance rods between the balance beams and the clamping support plates; the upper and lower ends of the balance beams are respectively provided with driven wheels and driving wheels connected with drive motors. The robot can be used for cables with great diameter differences, is good in clamping force and strong in cable climbing and obstacle crossing abilities.

The invention discloses an auxiliary nozzle for an air-jet loom. The auxiliary nozzle for the air-jet loom comprises a nozzle body with an air flow chamber and a sprayer which is arranged on the nozzle body, wherein the sprayer comprises a first sprayer and a second sprayer which are arranged in parallel, a first air flow channel which is communicated with the air flow chamber is arranged in the first sprayer, a second air flow channel which is communicated with the air flow chamber is arranged in the second sprayer, rectangular blowholes are arranged on the first and the second sprayers, and the directions of the blowholes which are arranged on the first and the second sprayers are consistent. The auxiliary nozzle for the air-jet loom has strong injection capacity, specific performance in that the auxiliary nozzle for the air-jet loom is excellent in air flow stability on a flow channel section which is 250mm away from the blowholes, and can achieve 32m / s maximum speed of gas flow rate. Simultaneously, the first and the second sprayers respectively spray air from the upper and the lower sides of weft yarns, and enable the two sides of the weft yarns to evenly bear force, thereby being capable of perfectly maintaining kinematic velocity of the weft yarns, reducing fluctuation of the weft yarns, and guaranteeing stability of the weft yarns.