The invention discloses a method and a device for detecting wear of a tooth surface of a large involute spur gear. The method and the device are used for efficiently detecting the degree of wear of the large gear. The method includes fixing the detected gear; placing a three-jaw chuck in a shaft hole of the detected gear; respectively reading indicated values of the position of a positioning slider on a primary positioning scale and a secondary positioning scale from the first positioning scale and the secondary positioning scale and denoting the sum of two read numbers as Y; directly reading the expansion distance of a measuring jaw on the measuring jaw and denoting a value of the expansion distance of the measuring jaw as X; measuring the distance from the tip of the measuring jaw to the center line of the detected gear, simultaneously reading a value of the distance on a measuring scale and a vernier scale and denoting the value as Z which is a measured wear extent of the detected gear. The measuring device comprises the three-jaw chuck, the primary positioning scale, the secondary positioning scale, the positioning slider, the measuring scale, the vernier scale and the measuring jaw. The method and the device have the advantages that the method and the device are applied to detecting large gears, and the difficult problem that large gears cannot be detected by large quantities of precision gear detectors is solved.

Method and device for detecting wear of tooth surface of large involute spur gear

The invention discloses an automatic punching machine for a steamer. A first driving motor is arranged on a punching machine rack and drives a punching drill bit to rotate. A first worktable is arranged on one side of the punching drill bit. A first guide rail support matched with a first guide rod is arranged on the bottom face of the first worktable. The first worktable is connected with an air cylinder through an air cylinder connecting rod. The two ends of the first guide rod are fixed to a second worktable. A second guide rail support matched with a second guide rod is arranged on the bottom face of the second worktable. The two ends of the second guide rod are fixed to the punching machine rack. A threaded hole connecting block for a screw rod to penetrate is arranged in the middle of the bottom face of the second worktable. The screw rod is connected with a second driving motor. The automatic punching machine is used for punching the steamer and is convenient and fast to operate, capable of easily improving the working efficiency, low in manufacturing cost and capable of saving production cost.

Automatic punching machine for steamer

Provided is a gear grinding clamping device of a planetary gear of a wind power generation device The gear grinding clamping device comprises a clamp holder used for supporting a workpiece and a shaft locating pressing block, the clamp holder is shaped like a ladder-shaped cylinder, the bottom of the ladder-shaped cylinder is provided with an installing locating bottom platform with the diameter larger than that of the middle section cylinder, and multiple radial open slots used for installing and fixing are formed in the circumference of the installing locating bottom platform; a workpiece locating platform with the diameter larger than that of the middle section cylinder is arranged on the upper portion of the ladder-shaped cylinder, the upper end of the workpiece locating platform is provided with a circular centering locating step, a convex table portion of the circular centering locating step and the installing locating bottom platform are concentric circles, the diameter of the convex table portion is 005-01 mm smaller than that of a shaft hole of a machined gear, and the horizontal plane of the circular centering locating step is parallel to the bottom face of the installing locating bottom platform; a threaded hole is formed in the circle center of the circular centering locating step, the lower end of a screw is fixedly connected with the threaded hole, the shaft locating pressing block is arranged on the screw in a sleeving mode through a formed via hole, and the shaft locating pressing block is pressed through a nut

Gear grinding clamping device of planetary gear of wind power generation device

The invention belongs to the technical field of gear machining equipment, and discloses a clamping device for gear shaping. The clamping device comprises a workbench, a first locating element and a second locating element, wherein the first locating element and the second locating element are positioned on two sides of the workbench; the first locating element comprises a first fixing column, a locating rod and a locating table which is trapezoidal in cross section; the locating table is positioned on the upper part of the first fixing column; the large-diameter end of the locating table is fixedly connected with the side wall of the first fixing column; the locating rod is arranged transversely; one end of the locating rod is fixed to the side wall of the locating table; the other end of the locating rod is of an arc-shaped structure pressed against the outer wall of a workpiece; the second locating element comprises a second fixing column and a magnetic sucking disk which is fixedly connected with the second fixing column; the top of the workbench is provided with a groove; the periphery of the groove of the workbench is provided with a hot water tube and a condensed water tube. By adopting the clamping device, the problems of low machining accuracy, high gear defective rate, non-uniform stress on the workpiece and easiness in deforming in the prior art are solved.

Clamping device for gear shaping

The invention discloses a universal hobbing device for a shaft gear, which comprises an assembling platform and a three-jaw chuck, wherein the assembling platform is composed of an upper plate, a rib plate, a lower plate and a cylinder, and the three-jaw chuck is mounted on the upper plate of the assembling platform through a bolt and a gasket The universal hobbing device for the shaft gear has the advantages that: after the hobbing device is used for once mounting, aligning and correcting circle, a self-centering function of the three-jaw chuck is utilized to automatically correct a to-be-processed shaft gear; the positioning is accurate and quick; the structure is simple; the operation is convenient; the three-jaw chuck can be used for clamping the shaft gears in different sizes; the clamping is firm; the universality is high; and the product quality is ensured while the production efficiency is increased

Universal hobbing device for shaft gear

The utility model discloses a tool for fast clamping machined gear rings of a gear shaping machine. The tool comprises a tray and six cushion block group locating grooves which are uniformly distributed in a manner of radially extending to the tray centre along the circumference of the tray; cushion block groups, which slide along the cushion block group locating grooves, are distributed in the six cushion block group locating grooves at intervals; pull rod groups are arranged on the cushion block groups; a three-claw chuck is arranged above the tray; the three-claw chuck is fixed through three pull rod groups on the tray; the three-claw chuck is of a disc-shaped structure which is provided with a through hole in the centre; three chuck claw locating grooves are distributed in a manner of extending to the periphery of the tray along the through hole; an angle of 120 degrees is formed between each two of the three chuck claw locating grooves; chuck locating clamps are arranged in the chuck locating grooves; and chuck claws which slide synchronously along the chuck claw locating grooves are connected to the chuck locating clamps. The tool disclosed by the utility model has the characteristics of simple structure, low cost, easiness for manufacture, large adjustment range and capability of processing gear shafts of shaft necks with different sizes.

Ling Liu

Papers

Tool for fast clamping processed gear rings of gear shaping machine