35results about How to "Smooth and stable movement" patented technology

The invention provides a device for a waterproof coiled material. The device comprises an arm shelf, a pressing mechanism and a mounting mechanism; the pressing mechanism comprises pressing units, supporting and pressing sets and a longitudinal beam; the longitudinal beam is provided with at least one pressing unit and at least one supporting and pressing set; each pressing unit comprises a swingrod fixing part, a swing rod and a telescopic rod; the swing rod fixing parts are mounted on the arm shelf; one end of each swing rod is movably connected with the corresponding swing rod fixing part,and the other end of each swing rod is movably connected with the longitudinal beam; one end of each telescopic rod is movably connected with the arm shelf, and the other end of each telescopic rod is connected with the corresponding swing rod. The mounting mechanism comprises lug plate bases, a reel and a limiting part; the lug plate bases are fixedly mounted on the arm shelf; the waterproof coiled material sleeves the reel; the two ends of the reel are connected with the two lug plate bases respectively; the limiting part is movably connected with the reel. According to the device, the telescopic rods drive the longitudinal beam to be pressed greatly, the supporting and pressing sets are connected with the longitudinal beam through elastic connectors, uneven working faces can be adaptedto, and the waterproof coiled material has good mounting and pressing effects.

A shank flange for use in a piano for supporting a hammer which makes a pivotal movement in response to depression on a key. The shank flange comprises a molding made of thermoplastic resin containing long fibers for reinforcement. The molding is molded by a long-staple method. The long fibers are carbon fibers. The shank flange excels in homogeneity and dimension stability, and has a high rigidity which can assure a smooth and stable action of the hammer. Also, dust and the like can be prevented from sticking to the shank flange and its surroundings, thus maintaining a precise action of the hammer and an aesthetically good appearance around the shank flange.

The invention discloses an electrically driven folding wing system with a large aspect ratio, comprising a pulley bracket, a servo motor, a synchronous belt, a pulley shaft system, a universal coupling, a clutch shaft system, a wing shaft system, an axial compression Spring, wing shaft mount, wing, locking pin assembly, cabin. In the initial state, the wings are in the folded state. After the unfolding command is issued, the four groups of wings are driven by the servo motor to realize the unfolding function, and the locking pin assembly realizes the locking of the unfolded state of the wings. The electric-driven folding wing system with large aspect ratio described in the present invention overcomes the deficiencies of the prior art, and the design process is parameterized, which can be quickly transplanted according to the requirements of different weapon systems, and has simple mechanism, reliable function, and outsourcing of the folded state. The network is small in size, has a good aerodynamic shape in the unfolded state, the mechanism occupies less space inside the cabin, and the working process is smooth and without impact. It can be used as a large aspect ratio folding wing assembly for airborne, ground, and water surface barrel-launched missiles use.

The invention discloses a cabin outer folding wing system with a large aspect ratio, which includes a mounting base, a rotating shaft support, a rotating shaft, a shaft end top cover, a spring support, a spring wing, a locking pin assembly, an axial compression spring, and a driving tension spring , Wire rope components. In the initial state, the wings are folded and folded. After the constraint is released, the expansion function of the wings is realized under the action of the driving tension spring and the axial compression spring, and the locking of the unfolded state of the wings is realized through the locking pin assembly. The large-aspect-ratio cabin outer folding wing system of the present invention overcomes the deficiencies in the prior art, and the design process is parameterized, which can be quickly transplanted according to the requirements of different weapon systems, and has a simple mechanism, reliable locking, and outsourcing of the folded state. The network size is small, the unfolded state has a good aerodynamic shape, the mechanism occupies less space inside the cabin, and the working process is smooth and impact-free.

The invention relates to a space expansion and retraction linear motion mechanism and a load expansion and retraction device. The space expansion and retraction linear motion mechanism includes an expansion platform and an X-axis motion assembly, and the X-axis motion assembly includes a first guide rail, a first rack, and a first slider. And the first driving device, the first guide rail and the first rack are horizontally installed on the unfolding platform, the driving end of the first driving device is connected with the first driving gear that fits and meshes with the first rack, the first driving device is installed On the first slider; the first slider is provided with a first roller and a second roller, the first roller and the second roller are respectively slidably connected to the upper and lower sides of the first guide rail, and a lever is also provided on the first slider The loading device, the lever loading device is connected with the first roller or the second roller and provides pre-tightening force for the first roller or the second roller to hug the guide rail. The invention has strong adaptability to the space environment and is beneficial to the smooth and stable operation of the space linear motion.

The invention relates to a universal performance comprehensive testing system for a special work robot end effecter. The universal performance comprehensive testing system comprises an end effecter visual detection testing unit, an end effecter touch testing unit, an end effecter rotation and take-out testing unit, an end effecter load testing unit, an end effecter accuracy testing unit, an end effecter torque testing unit, an end effecter stability testing unit, a bearing table and a main control computer. All the testing units are connected with the main control computer. Visual detection, touch control, rotation take-out, grabbing and other motions of a robot end execution unit are tested, the end execution unit is adjusted correspondingly according to detection results, and the effectthat the robot end execution unit reaches design requirements is ensured.