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

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 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.

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, and 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 leading rod is arranged at the other end of the inner side of the clamping support plate, and is hinged to a balance beam; a pressure sensor and a compression spring sleeve the leading rod, 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.

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.

The invention discloses a grinding and conveying device of a PC board. The device comprises a bottom plate, a worktable is arranged on the top of the bottom plate, grooves are formed in the two ends of the top of the worktable, a first motor is arranged at one end of the top of the bottom plate, the output end of the first motor is provided with a first rotating shaft penetrating into one end of the worktable, the side, away from the first rotating shaft, of the worktable is provided with a second rotating shaft extending to one end inside the worktable, and a first driving wheel is arranged at the end, close to the first motor, of the first rotating shaft. A second motor drives a fourth rotating shaft to rotate, a first grinding plate is driven to grind the top of the PC board, a third motor drives a fifth rotating shaft to rotate, a second grinding board is driven to grind the bottom of the PC board, the upper and the lower of the PC board are uniform in stress, the breakage of the PC board in the grinding process can be avoided, and the use effect of the PC board grinding device is better.

The invention discloses an automatic pressure relief valve comprising a valve body, a valve element and a valve rod. A liquid inlet is formed in one side of the valve body; a liquid outlet is formed in the other side of the valve body; a cavity is formed inside the valve body, and the two ends of the cavity are connected with the liquid inlet and the liquid outlet correspondingly; a supporting frame is installed on the side, at the end of the liquid inlet, inside the valve body; a circular through hole is formed in the lower end of the supporting frame, and a T-shaped circular cylinder is installed inside the circular through hole; a compression spring is installed inside the T-shaped circular cylinder; a valve cover is installed at the upper end of the valve body through a bolt; one end of the valve element is installed inside the liquid inlet, and the other end of the valve element is installed inside the T-shaped circular cylinder and connected with one end of the compression spring; a valve rod is installed at the center of the valve cover; a tapered sleeve is installed at the lower end of the valve rod through a thread; and a hand wheel is installed at the upper end of the valve rod. The automatic pressure relief valve has the characteristics of being simple and reasonable in structure and flexible in operation.

The invention provides a leakage pipeline repair and protection device for water conservancy projects, which relates to the field of water conservancy projects. The leaking pipeline repair protection device for water conservancy projects includes a wrapping mechanism, an adjustment mechanism is arranged above the outer surface of the wrapping mechanism, and a fixing mechanism is sleeved on the outer surface of the wrapping mechanism between the adjustment mechanism and the wrapping mechanism. This water conservancy project uses a leaking pipeline repair protection device. First, the cylinder liner sleeved outside the pipeline is separated from the rubber sleeve, the cylinder liner is taken out, the adjustment mechanism is sleeved on the outside of the sleeve mechanism, and the upper push plate and the lower push plate are moved toward each other. Push from the outside, so that the rubber sleeve can be stretched, so that the rubber sleeve is close to the outer surface of the pipe. At this time, the outer iron sheet is sleeved on the outer surface of the rubber sleeve, and the outer iron sheet is pulled, so that the outer iron sheet can be tightly attached to the rubber sleeve , fix the outer iron sheet, the repaired part can be isolated from the air through the tensioned rubber sleeve, and at the same time, the outer iron sheet can be used to protect the repaired part from impact.

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 invention discloses a preparation method of large-size metal-skin refractory bricks and a mold of the large-size metal-skin refractory bricks, and belongs to the technical field of refractory materials. The mold comprises a mold sleeve, mold base plates, a mold bottom plate, a mold false bottom, a mold bottom supporting plate, mold movable side plates, mold side plates, mold end plates and a mold cover plate. According to the method, the refractory bricks are designed to be stressed up and down, so that the pressing stress uniformity is improved, sufficient pressure is guaranteed, and cracking is avoided; the metal skin wrapping firmness is improved by designing a metal skin special-shaped claw; metal skin is protected through a special mold; the mold movable side plates and the metal skin achieve synchronous movement, so that metal skin deformation or friction scratches are avoided; and meanwhile, a grinding tool is protected, and the service life of the grinding tool is prolonged, so that the preparation qualification rate and production efficiency are improved.

The invention relates to a tabletting, film laminating and knurling combined device for an automobile body damping and vibration attenuation material. The device comprises a tabletting machine, an outlet of the tabletting machine is provided with a plastic conveyor belt, and a spraying cooling water pipeline is disposed above the plastic conveyor belt, the tail end of the conveyor belt is provided with a film laminating apparatus, and a knurling apparatus is disposed behind the film laminating apparatus. According to the invention, combined tabletting, film laminating and knurling are carried out for pipelined molding of the automobile body damping and vibration attenuation material, the combined device is convenient for production, and improves the work efficiency. Each apparatus achieves independent motor control or linkage control, and the roller motion frequency can be adjusted at any time.