Hinge type spring erecting tool

The utility model relates to a hinge type spring erecting tool has solved the problem that present manual assembly operations is difficult. Which comprises a fixed base, pivoting pin, the flap, the handle, Y -type board and effect board, the fixing base is L type structure, it has the horizontal shape groove of colluding to open on the structural horizontal arm of L type, it has vertical groove to open on the structural perpendicular arm of L type, flap one end is passed through pivoting pin and is connected in the vertical groove of fixing base, the flap can be rotatory at 180 within ranges in the vertical groove of fixing base around pivoting pin, the Y -type board is for becoming obtuse L type structure, the fork groove has all been opened at Y -type board both ends, the cylindric lock that the flap other end passes through on the handle is connected in the fork groove of Y -type board tip, the fork groove of Y -type board main aspects is half division of structure, this division structure ...

High-pressure miniature plug-in mounting type pilot overflow valve

The invention relates to a high-pressure miniature plug-in mounting type pilot overflow valve which comprises a screw plug, a guide rod, a guide sleeve, a spring seat, a valve element, a cylinder body, a sealing gasket, a pressure adjusting spring, a first O-shaped ring and a second O-shaped ring, the lower portion of the guide rod is arranged in a guide hole of the screw plug, the head of the guide rod and the sealing gasket are mounted in the guide sleeve, the guide sleeve is mounted in an inner hole of the spring seat, and the pressure adjusting spring is mounted in the inner hole of the spring seat. The first O-shaped ring is fixed in an O-shaped ring groove in the outer wall of the valve element, a positioning spigot of the screw plug is installed in the inner hole of the cylinder body in a pressing mode, the second O-shaped ring is installed in an O-shaped ring groove in the outer wall of the screw plug, an oil inlet is formed in the upper end of the cylinder body, and a throttling ...

Positioning device for eccentric shaft machining

The invention relates to a positioning device for eccentric shaft machining. The problems existing in existing eccentric shaft machining are solved. Comprising a right positioning assembly, a left positioning assembly, an installation positioning pin and an installation base, the right positioning assembly and the left positioning assembly are the same in structure, are symmetrical to each other and each comprise a positioning V-shaped block, a screw I, a positioning pin, a positioning seat, an upper cover, a screw II and a set screw, the positioning V-shaped blocks are fixed to the positioning seats through the screws I and the positioning pins, and the upper covers are fixed to the positioning V-shaped blocks through the screws II. The fastening screw is screwed into the threaded hole of the upper cover, the installation positioning pin is installed in the pin hole of the installation base, the right positioning assembly and the left positioning assembly are installed on the supporting ...

Large-transmission-ratio multi-stage gear pair backlash amount detection device and detection method

The invention belongs to the field of machine manufacturing, and relates to a large-transmission-ratio multi-stage gear pair backlash amount detection device and a use method. The detection device comprises a torque angle sensor, a transition joint and a digital display dial indicator. One end of the torque angle sensor is connected with the transition joint; one end of the transition joint is connected with the transmission system input shaft, and the other end is connected with the torque angle sensor; provided is a transmission system output gear tooth surface pressure digital display dial indicator. A digital display dial indicator is pressed on the tooth surface of a transmission system output gear, a torque angle sensor rotating shaft is rotated in one direction to drive a transmission system input shaft to rotate, and rotation of the torque angle sensor rotating shaft is stopped at the moment of digital change of the digital display dial indicator; and the numerical values of the ...

Non-magnetic grinding clamping platform for thin-walled parts

The invention relates to a non-magnetic grinding clamping platform for thin-walled parts. Non-magnetic grinding machining is achieved. The device is composed of a platform base, a storage table assembly and a vacuumizing suction nozzle, the storage table assembly comprises a sealing rubber ring, a storage table, a telescopic inner cylinder, a telescopic outer cylinder, a vacuum bottom cylinder, a vacuum top cylinder, a vacuum telescopic sleeve and a supporting ring, the platform base is provided with a storage table connecting hole, and the side end of the platform base is provided with the vacuumizing suction nozzle; the vacuum telescopic sleeve is installed between the vacuum bottom cylinder and the vacuum top cylinder in a sealed mode, the supporting ring is installed in the vacuum telescopic sleeve, the vacuum bottom cylinder is installed on the platform base, the upper end of the vacuum top cylinder is connected with the lower end of the storage table in a sealed mode, and the sealing ...

一种光催化剂及其在降解含有卤代有机物废水中的应用

The invention refers to light catalyst made up from natural rutile and the application in decomposing waster water which comprises halogenated organic compound. The rutile is crushed to that the radius is 70í½80ºÞm, 10í½20ºÞm. The application steps are: blends the water and the catalyst with proportion of 1000:1; blows air into the waster water pool to make the water blend with the catalyst evenly; carries on decomposition reaction by radiating the waste water with mercury lamp whose wavelength is less than 380 nano; it stops when the thickness of the water reach to the standard, the upper clean water is discharged, and supplies the catalyst, and continue to decompose the new waste water.

Photocatalyst and its use for treating waste water of degrading halogen organics

Intelligent simulation switch

The utility model relates to an intelligent simulation switch includes the chip card that is used for connecting the emulation host computer and simulates the switch circuit, simulation switch circuit include the signal start with involution return circuit, combined floodgate with the separating brake major loop, on the spot / distant place operation circuit, switch body trouble return circuit, assist the node and see return circuit and two way switching of power return circuits off, the chip card includes DSP treater and CPLD, and both organize with the ethernet interface jointly, 8 flash singlechips link to each other to net very much interface group including parallelly connected ethernet interface 1, 2, 3, the outer optical fiber interface group that links of ethernet interface group, optical fiber interface group including parallelly connected, and with the optical fiber interface 1, 2, 3 of aforementioned 1, 2, the 3 one -to -ones ethernet interface, optical fiber interface group ...

Sealing washer Z type groove groover

The utility model relates to a sealing washer Z type groove groover has solved the slot problem of inefficiency of present craft. Including uide bushing, the location body, fender ring, clamp plate, screw and locating pin. The uide bushing is step pore ring form part, and the constant head tank that has the cutting transverse groove is opened in the locating pin of installation on the step and the U -shaped slot combination on the body of location on the excircle, the location body is the step pore ring and describes the part, excircle and uide bushing cooperation, and the sealing washer is placed in the step hole, has location pinhole and U -shaped constant head tank on the terminal surface of the location body, and with the slot combination of clamp plate U -shaped behind the location pinhole mount pin, the locating pin on U -shaped constant head tank and the uide bushing cooperates, it for cyclic annular part, places in the sealing ring, with sealing ring clearance fit to keep off the ...