35results about How to "Accurate gap adjustment" patented technology

The present invention provides an apparatus for transferring packaged chips, a test handler, and a method for manufacturing packaged chips. The apparatus for transferring packaged chips includes: a main frame having a coupling member coupled to a base plate and a supporting member coupled to the coupling member, a plurality of first pickers coupled to one side of the supporting member so as to be movable in a horizontal direction, a plurality of second pickers coupled to the other side of the supporting member so as to be movable in the horizontal direction, and a control unit to determine distances by which the first pickers and the second pickers move in the horizontal direction. According to the structure, more packaged chips may be transferred each time, and the time for loading and unloading is reduced. The gap between the packaged chips can be accurately controlled, and thereby improving the loading and unloading precision.

The invention discloses a rotor axial gap adjusting method for an auto cooling fan motor. The gap adjusting method comprises the steps of firstly measuring the axial gap of the rotor of the motor, thus obtaining a real-time measurement result; then jacking the front end cover of a jacking motor by using a jacking block to deform the front end cover, thus generating an axial displacement; measuring after adjustment is completed, and if qualified, completing the adjustment; if not qualified, adjusting in the same way to allow the axial gap to be qualified; and if not qualified either, scraping the motor. Therefore, the gap adjusting method does not need to add the spacer, and is simple to operate, capable of achieving automation, more accurate in gap adjustment, and thus applicable to adjusting the gaps of a large scale of motors, and thereby the axial gap of each motor can be adjusted before leaving the factory, and the whole quality stability of the products is greatly improved.

Provided is a valve clearance adjusting method by which an accurate valve clearance adjustment can be easily performed regardless of the tolerance of pitch dimensions of an adjusting screw. The valve clearance adjusting method including: measuring a cam profile of the camshaft 50 mounted on the cylinder head 100; identifying, on the basis of a measurement result of the cam profile, a predetermined rotation angle θ_V of the camshaft 50 at which a predetermined lift amount corresponding to a predetermined valve clearance is obtained; rotating the camshaft 50 and allowing a pressed portion 61, 71 of the rocker arm 60, 70 to face a cam surface at the predetermined rotation angle θ_V; rotating an adjusting screw 90 with the pressed portion faced with the cam surface and setting a valve clearance to zero; and fastening the adjusting screw 90 with a lock nut 91.

The invention discloses a sponge urban facility monitoring and time-lapse photography camera stabilizing device and an application method. The sponge urban facility monitoring and time-lapse photography camera stabilizing device comprises a transverse rod. A transverse rod ruler is arranged at the bottom end of the transverse rod. One side of the transverse rod is provided with a fixing rod, the transverse rod is further provided with a locking rod, and the shape defined by the transverse rod, the fixing rod and the locking rod is a U-shaped groove. The position, away from the U-shaped groove,of the transverse rod is provided with a sliding stabilization block, the sliding stabilization block is internally provided with a gap locking groove containing the transverse rod, and gap adjustingnuts are arranged on the two side walls of the sliding stabilization block and matched with a screw to fix the sliding stabilization block to the transverse rod. A rotary holder is arranged at the top end of the sliding stabilization block, and an angle ruler is arranged below the holder. According to the sponge urban facility monitoring and time-lapse photography camera stabilizing device and the application method, the position is accurately adjusted and recorded according to the ruler on the transverse rod and the angle ruler on the holder on the sliding stabilization block, and when a camera is erected again, original recorded data are utilized for conducting rapid adjustment to the shooting distance, the pitch angle and the horizontal rotation angle.

The invention discloses an external-mashed gear pump. The external-mashed gear pump comprises a shell body and a gear mechanism. The gear mechanism is arranged in the shell body and movably connected with the shell body. One end of the gear mechanism is bonded with a hydrodynamic transmission which drives the gear mechanism to rotate in the shell body. The shell body comprises a front shell body, a middle shell body and a rear shell body. A plurality of sealing gaskets are arranged between the front shell body and the middle shell body. A plurality of sealing gaskets are arranged between the middle shell body and the rear shell body. The invention further discloses a hydrodynamic transmission hydraulic system. According to the external-mashed gear pump and the hydrodynamic transmission hydraulic system, the end faces of the shell body are sealed through the sealing gaskets so that the end face gaps of the external-mashed gear pump can be adjusted accurately. Accordingly, the high volume efficiency of the external-mashed gear pump can be obtained, and the using requirement for the service life of the external-mashed gear pump can be met.

The invention discloses a rectangular precision clearance-adjusting bearing, comprising an outer frame, an inner ring, balls and two protective covers. The inner side wall of the hole is provided with an outer ball groove, the inner ring is arranged in the circular through hole, the inner ball groove is arranged on the outer surface of the inner ring, and the ball is arranged between the inner ring and the outer skeleton, and passes through the inner ring. The outer ball groove is fixed with the inner ball groove, and the two protective covers are arranged on both sides of the inner ring and are clamped with the outer frame. The outer frame of the bearing body of the present invention adopts a square design, which can not only serve as a The outer frame bracket can also be used as a slider, which greatly improves its use range.

The invention relates to a crusher, in particular to a gap adjusting device used for adjusting grain size of bone cement in a bone cement machine for carrying out processing animal bone. The gap adjusting device overcomes the defects that the manufacture of the gap adjusting device of movable grinding and fine grinding in the existing bone cement machine is difficult, the adjusting procedure is complex and the adjusting precision is low. The invention provides a gap adjusting device used for controlling the grain size of grinded paste of the bone cement, comprising a rotating shaft, an inner cone and an outer cone; wherein the inner cone body is fixed on the rotating shaft; the outer cone is fixed on a shell outside thereof; wherein the central part of the rotating shaft is provided with an axial transmission mechanism; one side of the transmission mechanism is connected with a spring, and the other side thereof is provided with a shaft sleeve with the T-shaped section; one end of the spring is connected with the axial transmission mechanism and the other end thereof is fixed on the rotating shaft; one end with larger diameter in the T-shaped shaft sleeve faces one side of the cone body and supports on the boss of the rotating shaft and the other corresponding end is adjacent to an axial transmission structure. The gap adjusting device has simple structure and convenient installation; when in use, the device has little mechanical friction resistance, precise gas adjustment quantity, convenient and reliable gap adjustment and no need of stopping the machine in the adjustment process.

The invention provides a drainage pipeline flow limiting adjusting device. The problems that an adjusting valve installed on a large drainage pipeline is complex in structure, consequently, assembling is not easy, and the manufacturing cost is high are solved. The drainage pipeline flow limiting adjusting device comprises a steel pipe; flange plates are fixedly arranged at the upper end and the lower end of the steel pipe; an annular baffle is arranged in the steel pipe and is perpendicular to the inner wall of the steel pipe; a water flowing hole is formed in the middle portion of the annular baffle; a cone capable of moving up and down is arranged in the water flowing hole; the diameter of the bottom of the cone is equal to the inner diameter of the water flowing hole; a vertical tooth plate is arranged at the bottom of the cone; a sliding way component is arranged on the inner wall of the cone; the tooth plate is inserted in a sliding way clamping plate of the sliding way component in a sliding manner; the sliding way clamping plate is of a frame type plate structure with a front opening; a limiting plate preventing the tooth plate from disengaging is arranged at the front portion of the sliding way clamping plate; a gear engaged with the tooth plate is arranged in the steel pipe; the middle portion of the gear is connected with a transversely-arranged shaft rod component; and a shaft hole is formed in the wall body of the lower portion of the steel pipe, and the other end of the shaft rod component penetrates out of the shaft hole to be connected with a hand wheel.

The invention discloses a water driving wheel device and electroplating processing equipment. The water driving wheel device comprises a base, a mounting rod, a rotating wheel, water scraping mechanism and two adjusting mechanism, wherein the mounting rod is arranged on the upper surface of the base, and the base is connected with an end cover through a connecting strip; the mounting rod is arranged between the end cover and the base, and the rotating wheel is arranged on the mounting rod; the water scraping mechanism comprises a water scraping wheel arranged on one side of the rotating wheel, and the two ends of the water scraping wheel are connected with connecting blocks through fixing rods; and each adjusting mechanism comprises a threaded rod, and one end of the threaded rod is rotationally arranged on the mounting rod. When the water scraping wheel is damaged, the water scraping wheel can be replaced in time, the practicability of the water driving wheel device is improved; the gap between the water scraping wheel and the rotating wheel can be accurately adjusted through cooperative use of a pointer and a marking ruler; and the precision is high, the flexibility is high, and greater stability is achieved under control of the two threaded rods.

The brush mechanism for cleaning the large Particle on the surface of the panel comprises a bottom plate, the two sides of the bottom plate are fixedly connected with a driving side plate and an adjusting side plate respectively, and the opposite sides of the driving side plate and the adjusting side plate are each provided with a first adjusting mechanism and a second adjusting mechanism. A hand wheel is rotated to drive a worm to rotate, the worm drives a worm gear meshed with the worm to rotate, the worm gear drives a rotating rod to rotate and drives a threaded block to move up and down through threads on the surface of the rotating rod, and the threaded block and a sliding block are matched with a fixing frame under the action of a linear guide rail to drive a driving motor, a brush and a fixing block to move up and down; a dial indicator, an adjusting scale and a pointer are matched to accurately adjust the gap between the brushes, the transmission of the rotating rod realizes the self-locking capability through an adjusting nut, and the structure instability caused by the increase of the self weight and the load after the brushes absorb water is effectively reduced by matching with a rigid coupling.

The invention relates to the field of mechanical adjustment, in particular to a plasma torch and a gap adjusting method thereof. The plasma torch comprises a plasma torch body, a first insulating sleeve and an adjusting assembly, wherein the plasma torch body comprises a spray head, a tungsten needle, an inner shell and an outer shell, the tungsten needle is connected with a first terminal, the polarity of the spray head is opposite to that of the tungsten needle, the tungsten needle is arranged in the inner shell, the inner shell is arranged in the outer shell, an air cavity is formed between the tungsten needle and the inner shell, and a cooling cavity is formed between the inner shell and the outer shell; the first insulating sleeve is connected with the shell, and the end, away from the nozzle, of the tungsten needle is arranged in the first insulating sleeve; and the adjusting assembly is arranged on the first insulating sleeve and is used for driving the tungsten needle to translate along the axial direction of the plasma torch body so as to change the distance between the tungsten needle and the nozzle. According to the plasma torch provided by the invention, the gap between the tungsten needle and the spray head can be quickly and accurately adjusted, so that the jet flow velocity and jet flow appearance of the plasma beam are changed, and the use requirements of multiple scenes are met.

The invention discloses a brake disc with an adjustable handbrake clearance hole, and particularly relates to the field of brake discs. The brake disc comprises a fixed disc, a connecting disc is fixedly arranged at the center of the fixed disc, a mounting disc is fixedly arranged at the center of the connecting disc in a penetrating mode, a storing disc is fixedly arranged at the center of the mounting disc, a reinforcing disc is fixedly arranged in the connecting disc, a first adjusting groove, a second adjusting groove, an oil groove and a sealing groove are formed in the reinforcing disc,the first adjusting groove, the second adjusting groove and the oil groove are formed in one side of the sealing groove, and the first adjusting groove and the oil groove are formed at interval in thehorizontal direction. According to the brake disc with the adjustable handbrake clearance hole, the handbrake clearance can be adjusted precisely, a elastic sheet makes contact with the inner wall ofthe first adjusting groove so as to remind an operator of the adjusted one-gear distance, a bent elastic sheet makes contact with the inner wall of the second adjusting groove, fine tuning can be conducted on the two-gear distance, and lubricating oil can be added into the oil groove so as to prevent the inner walls of the first adjusting groove and the second adjusting groove from being ground flush due to severe scratching.

The invention relates to the technical field of slewing bearing raceway quenching, and discloses slewing bearing raceway quenching equipment for controlling the distance between an inductor and a raceway, the slewing bearing raceway quenching equipment comprises a longitudinal base, a transverse base and a sliding table, longitudinal limiting blocks are fixedly installed on the front face and the back face of the longitudinal base, and longitudinal through holes are formed in the centers of the longitudinal limiting blocks; a longitudinal adjusting shaft is movably installed on the inner wall of the longitudinal through hole, the longitudinal adjusting shaft is driven to move through a longitudinal adjusting hand wheel arranged on the front face of the longitudinal adjusting shaft, then the coupling gap between the sensor and the gear is adjusted, and the transverse adjusting shaft is driven to move through a transverse adjusting hand wheel arranged on the right side of the transverse adjusting shaft. And the guide wheel arranged on the left side of the guide wheel bracket is put into the track, so that the inductor can stably move along the adjusted gap, and the effects of accurately adjusting the gap between the inductor and the roller path and ensuring the quality of a hardening layer of the slewing bearing roller path are achieved.