33results about How to "Guaranteed neutral" patented technology

The invention provides a thin-wall gear ring self-centering tensioning installation fixture. The thin-wall gear ring self-centering tensioning installation fixture comprises a spindle basic disc, a compression disc, a compression nut, a spring and a plurality of tensioning steel balls. The compression nut compresses the compression disc, the compression disc compresses the tensioning steel balls arranged in radial through holes in an annular wall, therefore, the purpose of tightening a thin-wall gear ring from inside to outside is achieved, and radial location of the gear ring is completed. In the process of clamping, the tensioning steel balls evenly distributed on the spindle basic disc are simultaneously stressed, the thin-wall gear ring can receive outward tensioning force evenly, and therefore deformation of the thin-wall gear ring is effectively restrained; meanwhile, the centering performance of the thin-wall gear ring on measurement equipment is guaranteed. The thin-wall gear ring self-centering tensioning installation fixture effectively reduces deformation of the thin-wall gear ring in the process of clamping, eliminates the steps of concentric centering on the measurement equipment after clamping is completed, and improves clamping efficiency and detection accuracy.

The invention provides a thin-wall gear ring self-centering tensioning installation fixture. The thin-wall gear ring self-centering tensioning installation fixture comprises a spindle basic disc, a compression disc, a compression nut, a spring and a plurality of tensioning steel balls. The compression nut compresses the compression disc, the compression disc compresses the tensioning steel balls arranged in radial through holes in an annular wall, therefore, the purpose of tightening a thin-wall gear ring from inside to outside is achieved, and radial location of the gear ring is completed. In the process of clamping, the tensioning steel balls evenly distributed on the spindle basic disc are simultaneously stressed, the thin-wall gear ring can receive outward tensioning force evenly, and therefore deformation of the thin-wall gear ring is effectively restrained; meanwhile, the centering performance of the thin-wall gear ring on measurement equipment is guaranteed. The thin-wall gear ring self-centering tensioning installation fixture effectively reduces deformation of the thin-wall gear ring in the process of clamping, eliminates the steps of concentric centering on the measurement equipment after clamping is completed, and improves clamping efficiency and detection accuracy.

The invention discloses a lifting mechanism for an iron driller's turnbuckle pliers, which comprises a support frame assembly, and composite roller bearing groups are installed on the left and right sides of the support frame assembly; the support frame assembly moves up and down in the guide body assembly; Composite roller bearings are installed on the left and right sides of the body assembly, and the guide body assembly moves up and down in the frame body assembly; the upper end of the guide body assembly is connected with the support cylinder; the lower end of the support cylinder is hinged with the frame body assembly through a pin shaft ; The connecting seat is connected with the frame body assembly by bolts; one end of the hoisting chain is fixed on the lock a through the connecting shaft a, the other end of the lifting chain is fixed on the lock b through the connecting shaft b, and the lock b passes through The bolt is fixed on the connecting seat; the sheave is installed on the sheave shaft through the self-lubricating bearing; the extension or retraction of the support cylinder realizes the up and down movement of the support frame assembly and the guide body assembly, so as to realize the up and down movement of the turnbuckle machine move. The invention has simple structure, convenient disassembly and assembly and maintenance.

The invention discloses a high-centering precision clamp connecting device for a mechanical testing machine. The high-centering precision clamp connecting device for the mechanical testing machine comprises a clamping part, a fixing part and a connecting part, wherein a positioning convex conical surface is arranged on the end surface of one end, connected with the connecting part, of the clampingpart; a positive-tooth external thread is close to the positioning convex conical surface, and is used for connecting and locking the connecting part in a matching manner; a positioning concave conical surface is arranged on the end surface of the other end, connected with the fixing part, of the connecting part; a reverse-tooth external thread is close to the positioning concave conical surface,and is used for connecting and locking the connecting part in a matching manner; the connecting part is a connecting thread sleeve with a positive-tooth external thread and a reverse-tooth external thread at the two ends respectively. The high-centering precision clamp connecting device for the mechanical testing machine is compact in structure, light, convenient, low in production cost and easyto operate; meanwhile, extremely high centering precision of a clamp and a pull rod of the testing machine can be guaranteed during an experiment, and connection is steady; compared with the conventional flange plant connection, the connection way adopted by the invention can have the advantage that the axial position of the clamp is continuously adjustable.

A stopper pneumatic grab of exhausted fuel pot on ball - bed high temperature GCR is prepared by setting piston in piston cylinder, joining the fixing piece top relatively with piston cylinder, and its bottom with jack catch, setting piston rod at piston head and elongating it into fixing piece, forming T shaped channel between jack catches to let pressing wheel set at piston rod head slide up and down along T shaped channel.

The invention relates to the mechanics measurement and the experimental mechanics of the micro-nano structure, in particular to a double-PZT symmetrical integrated large-strain loading device. The double-PZT symmetrical integrated large-strain loading device adopts the following technical scheme that: the double-PZT symmetrical integrated large-strain loading device comprises a pair of piezoelectric ceramics PZT with the identical technical indexes, a pressure sensor, a quasi-static charge amplifier and a computer, wherein the piezoelectric ceramics PZT are arranged on both sides of a test piece for pushing a clamp to generate micrometric displacement and realize simultaneous loading on the both sides of the test piece; the pressure sensor is connected with the computer through the quasi-static charge amplifier; and the pressure sensor is a piezoelectric type force sensor. The double-PZT symmetrical integrated large-strain loading device is mainly used on the occasion where researchesare carried out on the performance of the thin film loaded with heavy load.

The invention relates to an impact loading mechanism comprising two sets of bracket arms, two bracket arm splints, an installation barrel, a seal cover, two sets of thrust force bearings, two sets of movable loading cones, a threaded sleeve, a spline shaft, two flange splines, two loading arms, two rod end joint ball bearings, two support columns, two impact loading rods and a joint ball bearing.The impact loading mechanism can convert the torque of the load input end of the spline shaft into the thrust force of the movable loading cones and apply the thrust force of the movable loading cones to the impact loading rods, and the impact loading mechanism can directly apply the thrust force or pull force of the load input end of the spline shaft to the impact loading rods through the first loading arm. Because mobile blocks on the movable loading cones can be movable or static, the distance between two loading points on a single impact loading rod can change along with time or keep unchanged. Thus, the dynamic synchronous multi-point movement simulation impact loading of the impact loading rods can be realized, and random dynamic or static shearing force and torque can be obtained at the roots of the impact loading rods.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment process and device for instant food processing and extraction, including a tank body and a delivery pipe, the right end surface of the tank body is fixedly connected with a delivery pipe, and the right end surface of the delivery pipe is fixedly connected There is a filtering device, the right end of the filtering device is fixedly connected with an input pipe, the right side of the filtering device is provided with a stirring device, the left side of the upper end of the stirring device is fixedly connected with a water pump, and the input end of the water pump is fixedly connected with the input pipe , the output end of the water pump is fixedly connected with an output pipe, and the other end of the output pipe is fixedly connected with the stirring device; in the present invention, through the provided filter box, rotating motor, eccentric wheel, fixed plate, filter screen and cleaning brush, After the hot concentration process, the residue in the coffee is discharged along with the sewage, and then pre-filtered through the filter to filter out the residue to ensure the normal progress of the next process and avoid direct discharge of sewage.

The invention discloses a method for removing aluminum of a base membrane. The method is characterized by including the following steps: (1) feeding the base membrane with the surface containing an aluminum coated layer into a cleaning solution to carry out aluminum removing, (2) feeding the base membrane into clear water to carry out cleaning, and (3) drying the base membrane. A device for removing the aluminum of the base membrane is adopted in the method for removing the aluminum of the base membrane and comprises a cleaning groove, a base membrane reeling-unreeling mechanism and a drying oven. The cleaning groove is divided by a partition plate into a cleaning solution groove and a clear water groove, the drying oven is located behind the cleaning groove, and the base membrane reeling-unreeling mechanism sequentially passes through the cleaning groove and the drying oven. The device for removing the aluminum of the base membrane is characterized by further comprising a cleaning solution circulation filtering mechanism. According to the method and device, the cleaning solution circulation filtering mechanism is additionally arranged in an aqueous alkali circulation system, the cleaning solution located at the top is overflowed from the cleaning solution groove to the cleaning solution circulation filtering mechanism, suspended matter in the cleaning solution is filtered out, the filtered cleaning solution returns to the interior of the cleaning solution groove again through circulation to be continuously used, and the use efficiency of the cleaning solution is improved.

The invention relates to a fan strip label shaping and shearing device, which has the advantages of simple structure, convenient use, one-step shaping and the like. The device comprises a female die and a male die, wherein contours of the two dies are consistent with the peripheral shape of a shaped label; a fit clearance is reserved between the two dies; the male die is connected with a datum plate; the shearing device is arranged on the datum plate; the datum plate is arranged on a guiding device; the male die is matched with a discharging plate; the discharging plate is connected with the datum plate; and a resetting device is arranged between the discharging plate and the datum plate.

The invention provides a roller measuring device and a using method thereof. The measuring device comprises a clamp used for being fixed to the roller, a magnetic base installed on the clamp and a swing rod connected with the magnetic base, the two ends of the roller are arranged in two bearing pedestals in a penetrating mode respectively, the clamp comprises a first clamping plate made of a magnetic conductive material, and the magnetic base is attracted to the first clamping plate through magnetic force. In the measurement process, the clamp is fixed on the roller, the magnetic base providedwith aswing rod is placed on a first clamping plate of the clamp,the first clamping plate is made of a magnetic conductive material,and the magnetic base can be attracted to the clamp through magnetic force, so that the magnetic base and the swing rod are fixedly installed on the roller so as to meet the subsequent measurement requirement, the magnetic base can also be fixedly installed on the roller when the roller is a stainless steel roller due to the installation mode, then the requirement for measuring the stainless steel roller is met, and the measurement efficiency of the roller is improved.