72results about How to "Avoid rigid damage" patented technology

The invention belongs to the technical field of detection equipment for luminescent materials and particularly relates to an anti-attenuation aging detection apparatus for luminescent materials, whichincludes: a box body, a sample rotary bracket, and a rotary motor which controls the sample rotary bracket to rotate; two main light sources are respectively installed on two corners, in same diagonal line, in the box body; the sample rotary bracket includes a top board and a bottom board, between which a plurality of sample placing brackets are arranged; the sample rotary bracket includes a fixing frame and a moving board rotationally connected thereto; the fixing frame is provided with a heating plate and a wire wrapping post; a pulling rope is tied to the wire wrapping post; a sample trough is formed in each moving board and is provided with a spring and a projection therein; the box body is sleeved with a shading cover. The detection apparatus allows the to-be-tested sample to rotateand achieves adjustment of the to-be-tested sample in horizontal and vertical directions; the to-be-tested luminescent material can be irradiated in all directions, thus increasing use efficiency of the apparatus.

The invention discloses a novel pneumatic light lift. The novel pneumatic light lift comprises a lifting mechanism and a conveying mechanism. The lifting mechanism comprises a chassis fixedly connected with the ground, the upper surface of the chassis is symmetrically and fixedly connected with two supporting plates, the upper surface of the chassis is fixedly connected with a linear air cylinder,an output shaft of the linear air cylinder is fixedly connected with a drive plate, the upper surface of the drive plate is fixedly connected with a first movable rod, the two ends of the first movable rod are slidingly connected with the two supporting plates, the rod walls of the first movable rod are symmetrically and fixedly sleeved with two chain wheels, the same second movable rod is slidingly connected between the two supporting plates, the rod walls of the second movable rod are symmetrically and fixedly sleeved with two fixing rings, and the same chain is wound between the chain wheels and the fixing rings jointly. Automatic loading and unloading can be achieved, the novel pneumatic light lift is small in occupied area, low in production cost and suitable for small workshops, andrigid damage to a lifting platform can be avoided.

The invention, which belongs to the magnetic pulse forming technology field, particularly relates to a life test method of a magnetic-pulse forming inductor. A locating block and a die in a magnetic-pulse forming inductor life actual test apparatus are respectively replaced by a rubber gasket and a supporting plate, so that a magnetic-pulse forming inductor life equivalent test apparatus is formed. According to the method provided in the invention, the service life of the inductor can be simply and conveniently detected with low cost.

The invention discloses a vehicle-mounted escalator for boarding. The vehicle-mounted escalator comprises a vehicle body and an escalator arranged on the vehicle body. The escalator comprises an escalator body, handrails, a drive device arranged in the escalator body, steps and a luggage conveying device, wherein the steps and the luggage conveying device are arranged on the surface of the escalator body side by side. The steps and the luggage conveying device are both connected with the drive device. The luggage conveying device comprises a conveying plane and a set of conveying baffles arranged on the conveying plane. The operation speed of the steps is consistent with that of the luggage conveying device. The structure is simple and stable, boarding of people is facilitated, meanwhile,luggage can be synchronously conveyed, boarding burdens are relieved, especially for the old unable to move freely and personnel needing to holding infants, the problem about luggage conveying safetyis solved, and the safety of taking the escalator is improved.

A wind-proof pull rod for a crane comprises a pull rod piece (1) and a fixing seat (3). The upper end of the pull rod piece (1) is provided with a first connecting piece (1a) which is connected with acomponent on the crane; a sleeve (1b) is arranged on the lower section of the pull rod piece (1); and the sleeve (1b) is supported by a boss (1c) at the lower end of the pull rod piece (1); under theeffect of external force, the sleeve (1b) can ascend along the lower section of the pull rod piece and descend freely after ascending; a second connecting piece (2) is arranged, the upper section ofthe second connecting piece (2) and the sleeve (1b) on the pull rod piece (1) are of a spiral pair connecting structure, and the lower section of the second connecting piece (2) and the upper sectionof a third connecting piece (4) on the fixing seat (3) are of a spiral pair connecting fixing structure; and the second connecting piece (2) is provided with a manual rotating member (2c). The wind-proof pull rod has the characteristics of stable working state, reliability and the like.

The invention relates to a novel wind power bus connector. The novel wind power bus connector comprises a rubber pipe and a tubular flexible conductor, wherein the rubber pipe and the tubular flexible conductor are to be connected, the tubular flexible conductor is arranged in the rubber pipe, and the rubber pipe is arranged in a wavy mode. Metal sleeves are arranged at the two ends of the rubber pipe respectively, each metal sleeve can be conveniently and fixedly connected with a busbar in a corresponding bus duct into a whole, and each metal sleeve is in a horn shape. When the wind power bus connector is used, the tubular flexible conductor is made to penetrate through the rubber pipe, and the metal sleeves on the rubber pipe are connected to the bus ducts in a welding mode. The wind power bus connector is simple in structure and convenient to manufacture and install, and meanwhile due to the flexible connection structure of soft connection, wind power busses can swing in a wind power tower, and rigidity damage, caused by wind, to electric bus parts can be avoided.

The invention discloses a steel structure bridge connecting device. The steel structure bridge connecting device comprises a left bolted cap and a right bolted cap, and the outer part of the left bolted cap is a left friction cap. A plug is inserted into an inner hole of a thick screw, a bolt outer rod penetrates through a bolt inner rod, a thread of the bolt outer rod and the thick screw are twisted in a threaded mode, and the plug is clamped in an inner hole of a thin screw by the side wall of the inner hole of the bolt outer rod. The side wall of a rod body of the bolt outer rod is tightlyattached to the side wall of a rod body of the bolt inner rod, and the thin screw is inserted into the inner hole of the bolt outer rod. The outer wall of thin screw is tightly attached to the side wall of inner hole of the bolt outer rod, the inner hole of the thin screw surrounds the bottom of the rod body of the bolt inner rod, and a thread of the inner hole of the thin screw and a thread of the rod body of the bolt inner rod are twisted in a threaded mode. Nuts are arranged at the left and right ends of the steel structure bridge connecting device, the bolted caps are further additionallyarranged, a bolt is effectively prevented from falling off, meanwhile, the contact area with a connecting plate is increased, the friction surface is effectively increased, the connection quality is improved, the slip phenomenon is alleviated, when an earthquake comes, and the plug produces a small displacement in the inner hole of the thick screw, so that rigid damage is avoided.

The invention relates to a quick positioning device for hardware processing. The quick positioning device for hardware processing comprises a frame body, a locking mechanism, resetting mechanisms, buffering mechanisms and sliding rods, wherein a threaded rod is hinged to the center of the left side wall of the frame body through a bearing; a rocking handle is fixed to the left end of the threadedrod; stand columns are hinged to the positions, in the frame body, on two sides of the threaded rod; linkage rods are arranged in the middles of the stand columns in a sleeving way; pull rods are hinged to the right ends of the linkage rods; a fixed plate is arranged on the left side in the frame body; a cover plate is clamped to the top part of the frame body on the left side of the fixed plate;the sliding rods are hinged to two sides in the fixed plate through bearings; the buffering mechanisms are arranged at the corresponding positions in the middles of a movable plate and the fixed plate; and the resetting mechanisms are arranged on the right parts of the sliding rods in a sleeving way. According to the quick positioning device for hardware processing, the processing efficiency of hardware products is improved, the operation difficulty of the positioning device is reduced, and the hardware products are prevented from being rigidly damaged.

Disclosed is a comb-tooth-type expansion joint with the position capable of being transversely changed. The comb-tooth-type expansion joint comprises a movable comb plate capable of moving longitudinally, a bottom plate and a transverse position change control device arranged between the movable comb plate and the bottom plate. At least one groove is formed in the end, away from comb teeth, of the movable comb plate, and a circular through hole is formed in the bottom of the groove. The transverse position change control device is provided with a transverse kidney-shaped groove corresponding to the groove, and a transverse kidney-shaped through hole attached to the circular through hole is formed in the bottom of the transverse kidney-shaped groove. An anchor bolt penetrating through the through hole and the transverse kidney-shaped through hole can transversely move in the waist direction and is fixed through a nut. When a bridge body of a bridge deviates transversely under the earthquake state, the position of the movable comb plate can be transversely and correspondingly changed through the anchor bolt capable of moving transversely, the rigid damage of transverse clamping of an ordinary comb-tooth-type expansion joint to the whole bridge body of the bridge and a pier can be effectively avoided during earthquake displacement, and the anti-seismic ability of the bridge is improved.

The invention discloses a ventilation type hog house. The ventilation type hog house comprises a bottom plate and a fence. Multiple height adjusting mechanisms are arranged on the lower end face of the bottom plate, and comprise hydraulic lifting mechanisms and connecting plates, the connecting plates are hinged to the upper ends of the hydraulic lifting mechanisms and fixedly connected with the bottom plate, spraying pipes are arranged on the left side and the right side of the fence respectively, are designed to be in an arc shape or to be inclined, and are provided with multiple spraying nozzles, and the spraying pipes on the left side of the fence and the spraying pipes on the right side of the fence are staggered in space. The ventilation type hog house can be designed to be of different areas, and adapts to intensive modern feeding farms for using; by arranging the height adjusting mechanisms on the lower end of the bottom plate, the ventilation performance of the hog house is effectively improved, waste is prevented from being stacked and remaining, and the sanitary environment in the hog house is improved.