79results about How to "Realize micro-adjustment" patented technology

The interventional operation equipment guiding instrument includes one lower support assembly, one upper crossbeam assembly, one angle regulator assembly, and one interventional guide assembly. The lower support assembly includes one bottom seat, one vertical pipe and one upper support pipe; the upper crossbeam assembly includes one T-shaped adaptor, one crossbeam and one union; the angle regulator assembly includes one casing, one spherical shaft, screws and nuts, one hand wheel and one transition board; and the interventional guide assembly includes one outer support, one inner support and one puncture needle. The present invention has at least 10 regulating freedom degrees for aligning the puncture needle to the disease focus and inserting the puncture needle into the disease focus accurately.

The invention discloses a method and a device for detecting efficiency parameters of a hydraulic system, and engineering machinery having the device for detecting efficiency parameters of a hydraulic system. The method for detecting efficiency parameters of the hydraulic system comprises: detecting actual power parameter values output by a hydraulic actuator of the hydraulic system; obtaining actual efficiency parameter values according to the actual power parameter values, a predefined power parameter value and a predefined hydraulic system efficiency parameter value, wherein the predefined hydraulic system efficiency parameter value is efficiency parameter value under predefined use state and predefined working condition. Having the device for detecting efficiency parameters of a hydraulic system, a control device of the engineering machinery is capable of calibrating and correcting the control datum, according to actual efficiency parameter values of the hydraulic system obtained through real-time detection, thereby realizing micro-adjustment to the engineering machinery, improving reliability and efficiency of fine action, and guaranteeing quality of fine operation.

The invention relates to a computer hydraulic synchronous pushing method and relative device, belonging to the underground construction technique, which is characterized in that: the cylinder group (3) has a rigid fixing support (8) clinging its back base; a heel block (7) is arranged between the top arm of the cylinder group (3) and a box (4); the on-site controller (2) is connected to the main control system (1) with a computer, the signal wire of cylinder group (3), the control wire, the displacement sensor (5) mounted on the two sides of box (4) to push the cylinder group step-by-step to the destination. The invention has improved technique, high practicability, saved labor, and shortened operation period.

The invention provides two-way synchronous clamping plasma steel pipe cutting equipment, belongs to the technical field of steel pipe cutting devices, and aims to solve the technical problem of steel pipes incapable of rotating and transferring through a mechanical device when the steel pipes are cut by a plasma cutter. The equipment comprises a rotary clamping device, a clamping sizing transfer device, a bracket device and a turnover discharge device; the rotary clamping device includes a clamping mounting frame, a turntable mechanism, a clamping mechanism, a two-way synchronous clamping drive connecting mechanism, a turntable driving mechanism and a lifting mechanism; and the clamping sizing transfer device includes a sizing transfer guide rail, a sizing clamping mounting frame, the clamping mechanism, the two-way synchronous clamping drive connecting mechanism, the lifting mechanism and a clamping moving disc mechanism. The equipment can realize clamping and rotation of the steel pipes in the steel pipe cutting process, and performs fixed-distance transfer for the steel pipes.

An X-Y micro-adjustment apparatus for an optical element in a lithographic projection objective belongs to the deep-ultraviolet projection lithography objective structure design and aberration compensation fields. To solve the X-Y high-precision adjustment problem of the optical element in the lithographic projection objective, the apparatus comprises an objective frame, two drivers and two capacitance sensors, wherein the two drivers and the two capacitance sensors are respectively fixed on the objective frame; the drivers are arranged outside the outer ring of the objective frame; the input displacements of the drivers act on a first folding shrapnel and a second folding shrapnel; the input displacement directions are vertical to the outside shrapnel of the first folding shrapnel and the outside shrapnel of the second folding shrapnel respectively; each of the two capacitance sensors is a single-electrode capacitance sensor and is fixed at the inner side of the outer ring of the objective frame; and the circumferential interval between the two capacitance sensors is 90DEG, so the X-Y micro-adjustment of the optical element is realized.

A moving location platform for the microdriver/macrodriven miniature robot features that the first drive wheel is fixed to output shaft of the first motor, the first driven wheel is fixed to external moving location platform, the second drive wheel is fixed to the output shaft of the second motor, the second drive wheel is fixed to the external moving location platform, an internal microlocation platform is arranged in the center on the surface of external moving location platform, and three bipolar piezoelectric ceramics are respectively connected to said external moving location platform.

The invention provides a polishing machine, and belongs to the technical field of machining. The polishing machine solves the problem that the angle adjusting precision of a workbench of an existing polishing machine is low. The polishing machine comprises a machine frame and a workbench, wherein the lower portion of the workbench is rotationally connected to the upper portion of the machine frame through a connection shaft, a driving wheel and a driven wheel are rotationally connected with the workbench, and the driving wheel and the driven wheel are sleeved with a polishing abrasive belt; the lower end of the machine frame is further connected with the lower end of the workbench through a connection assembly provided with a screw, the lower end of the screw is connected to the machine frame in a sliding mode, and the screw is sleeved with a positioning nut capable of axially positioning the screw. According to the polishing machine, the angle of the workbench can be adjusted, the adjustment precision is high, and the workbench is fixed more firmly after adjustment is completed.

The invention discloses a sleeve valve with an adjustable longitudinal flow, which comprises a valve bush, wherein a piston cylinder is arranged in the valve bush, sliding matching is formed between the piston cylinder and the valve bush, and guide holes are arranged on the piston cylinder. The sleeve valve is arranged between an upper pool and a lower pool, in particular, a hole is drilled on a platform between the upper pool and the lower pool, the valve bush is fixed on the hole in a manner of an expansion bolt or embedded steel plate, the upper end face of the valve bush is embedded with a flat rubber ring to be used as an end face seal, and the piston cylinder is arranged on the valve bush, therefore, because the valve body is structurally characterized by being closed and opened by a sleeve vertical motion, when the piston cylinder moves upwards, the guide holes of the piston cylinder play a role of guiding, with the increase of the lifting amount, the total guide area is continuously increased until the piston cylinder passes through the complete stroke, and the valve is equally completely opened. When the piston cylinder moves downwards, the quantity of the guide holes on the side surface is continuously reduced until the flat rubber end face is in complete contact with a fixed cylinder to play a role of sealing, and the valve is completely closed.

The invention discloses a leveling device and leveling method of a photoetching machine projection objective. The leveling device comprises a workbench, a hanging frame, a hanging frame support, an installation base plate, an objective frame, a photoelectric measurement system, a projection objective, a sensor measurement system, an active damper, a vertical adjustment mechanism and a controller, wherein the hanging frame is used for supporting the workbench, the hanging frame support is used for supporting the hanging frame, the installation base plate is arranged above the hanging frame support, the objective frame is arranged on the installation base plate, the photoelectric measurement system and the projection objective are arranged on the objective frame, the sensor measurement system is connected with a surface of the objective frame, the active damper is arranged on the installation base plate and is connected with the objective frame, the vertical adjustment mechanism is arranged below the active damper, and the controller is electrically connected with the sensor measurement system, the active damper and the vertical adjustment mechanism. By the leveling device, the purpose that the projection objective and the photoelectric measurement system are free from influence of external vibration and impact is achieved, meanwhile, the projection objective and the photoelectric measurement system are maintained in a static state relative to the position of the hanging frame of a support workpiece table all the way, the exposure imaging quality of the projection objective and the detection performance of the photoelectric measurement system are improved.

The invention provides a long fiber bundle melt impregnation system. The impregnation system includes a driving unit and at least one group of matched and paired driving covered rolls, the driving unit provides power for the driving covered rolls, the driving covered rolls are composed of a first driving roll and a second driving roll, a slit for a long fiber bundle to go through is left between the first driving roll and the second driving roll, the first driving roll and the second driving roll respectively contact with the long fiber bundle in the slit between the rolls when the first driving roll and the second driving roll rotate, and resultant force generated by mutual chimerism of the first driving roll and the second driving roll promotes the long fiber bundle in the slit between the rolls to move. The long fiber bundle melt impregnation system realizes the purposes of reduction of the thickness of the long fiber bundle in the impregnation process and increase of the filament dispersion uniformity of the long fiber bundle, and reaches less fiber breaking loss, full infiltration, uniform dispersion and high-speed stable production in order to obtain a long fiber reinforced thermoplastic plastic with excellent performances.

The invention discloses an imager mobile device which is used for adjusting the movement of a bearing platform arranged below a lens. The imager mobile device comprises a mobile device connected with the bearing platform; a locking handle is arranged on the mobile device; when the locking handle is positioned at a first position, the mobile device drives the bearing platform to move at a first speed; when the locking handle is positioned at a second position, the mobile device drives the bearing platform to move at a second speed; and the first speed is smaller than the second speed. The imager mobile device has the beneficial effects that the switching between quick movement adjustment and accurate movement adjustment can be conveniently carried out, the effects of positioning the accurate movement adjustment and saving the adjustment time are achieved, and the operation is simple and convenient.

An adjustable universal stand bar for heavy equipment is characterized by comprising a lower installation plate, a universal ball bearing, a lower adjusting screw, an intermediate plate, an upper adjusting screw and an equipment stand bar plate, the universal ball bearing is used for achieving supporting, the upper adjusting screw is used for adjusting height, the lower adjusting screw is used for adjusting the lower installation plate to serve as a final support, the universal ball bearing can move forwards, backwards, leftwards and rightwards, and due to the adoption of rolling friction, resistance is small, and micro-adjustment can be achieved; the upper adjusting screw enables rising and falling of the heavy equipment to be achieved directly, the lower adjusting screw can be adjusted to enable the lower installation plate to make contact with the ground, final positioning after adjustment is finished can be achieved, the universal ball bearing can be taken out after positioning, and cost is reduced. By the adoption of the adjustable universal stand bar for the heavy equipment, accurate adjustment and positioning of the heavy equipment during manufacturing and installation can be achieved.

The invention provides a device for improving the stability of a liquid flow. The device for improving the stability of the liquid flow comprises a shell, a flow stabilizing assembly, a flow fine adjustment assembly and a honeycomb-shaped channel. The shell comprises a shell front section and a shell rear section sliding relatively; the honeycomb-shaped channel is arranged on the cross section ofthe shell rear section; the flow stabilizing assembly comprises a main shaft, a front bearing and a rear bearing; the main shaft comprises a main shaft front section and a main shaft rear section inserting mutually and sliding relatively; the main shaft front section and the main shaft rear section are connected with the shell; the flow fine adjustment assembly comprises a fine adjustment impellerand an impeller shaft; the fine adjustment impeller is arranged on an outer ring of the front bearing in a sleeving mode; six cylindrical open holes are formed in one side of the impeller shaft; sixcylinders are arranged on the inner side of a connecting ring; an inner ring of the connecting ring is arranged on the rear bearing in a sleeving mode; and six circular slots are equidistantly formedin an outer ring of the connecting ring. The device for improving the stability of the liquid flow provided by the invention has the beneficial effects of elaborate design, lower manufacturing cost, and capabilities of reducing a turbulence effect and effectively improving the stability of the liquid flow, and has a flow fine adjustment function with higher accuracy.

The invention relates to a fixed-length cutting machine for tiles of a glass fiber reinforced plastics workshop. The fixed-length cutting machine comprises a side plate supported by upright columns, a supporting platform is fixedly mounted in the middle of the side plate, a plurality of supporting wheels are mounted on the supporting platform through bearing blocks, and a distance adjusting motor which is used for driving one of the supporting wheels is further arranged on the supporting platform; a vertical pressing cylinder is further fixedly mounted on the top of the side plate, a base is fixedly mounted at the lower end of a piston rod of the pressing cylinder, a plurality of pressing wheels are mounted on the lower surface of the base through bearing blocks, and the pressing wheels are aligned with the supporting wheels vertically; and lifting cutting devices are respectively arranged on the left side and the right side of the supporting platform, each lifting cutting device comprises a vertical lifting cylinder, a lifting platform is fixedly mounted at the upper end of a piston rod of each lifting cylinder, a cutting motor is fixedly mounted on the inner side of each lifting platform, and a cutting saw blade is mounted on a motor shaft of each cutting motor.

The invention relates to an online automatic cleaning device of a belt conveyor idler. The online automatic cleaning device comprises a scraping knife, a scraping knife adjusting bracket, scraping knife bases and fixed brackets, wherein the scraping knife bases are arranged on both sides of the scraping knife adjusting bracket, the fixed brackets are correspondingly arranged and are used for installing the scraping knife bases, and the scraping knife adjusting bracket is fixed to the scraping knife bases; a plurality of arc-shaped holes are circumferentially formed in the scraping knife bases,fastening holes are formed in positions, which correspond to the arc-shaped holes, of the fixed brackets in a matching mode, and connecting bolts pass through the corresponding arc-shaped holes and the fastening hole, so that the scraping knife bases are fastened to the fixed brackets, and the scraping knife bases can be circumferentially adjusted. According to the online automatic cleaning device of the belt conveyor idler, the arc-shaped holes are formed in the scraping knife bases and the fixed brackets, so that the scraping knife bases are rotatably adjusted, the scraping knife adjustingbracket and the scraping knife are driven to rotate, the angle of the scraping knife is adjusted, and the effects of automatically cleaning the belt conveyor idler on line and in real time and deeplycleaning the belt conveyor idler are realized.

The invention relates to the technical field of chip mounters, in particular to an automatic chip mounter. The automatic chip mounter comprises a driving assembly, a die bonding assembly and a sensing assembly which are connected in sequence. The die bonding assembly is used for sucking a wafer, the driving assembly drives the die bonding assembly to place the wafer on a substrate for bonding, and the sensing assembly detects the pressure between the wafer and the substrate when the wafer is bonded by the die bonding assembly. According to the design, the pressure when the wafer is attached to the substrate is detected, so that the phenomenon that the wafer and the substrate are not firmly attached or misplaced due to the fact that the attaching pressure between the wafer and the substrate is too small when an automatic chip mounter is used for die bonding can be avoided, meanwhile, the wafer can be prevented from being damaged due to the fact that the attaching pressure between the wafer and the substrate is too large, and by detecting the pressure when the wafer is attached to the substrate, the mounting precision between the wafer and the substrate during die bonding by the automatic chip mounter is further improved.

The invention discloses an inter-shaft central distance adjusting mechanism which comprises a driving shaft and a driven shaft. The two ends of the driving shaft are installed on two driving bearing pedestals respectively. The inner surfaces of the two driving bearing pedestals are non-concentric cylindrical surfaces. The eccentricity exists between the two driving bearing pedestals. By means of the inter-shaft central distance adjusting mechanism, the central distance can be slightly adjusted, the machining errors are reduced, and the assembling accuracy is adjusted.

The invention relates to a tracking device for welding hull longitudinal, comprising a welding arm. The invention is characterized in that the welding arm is fixed on a welding arm seat, the welding arm seat is connected with an upper micro-adjustment mechanism and a lower micro-adjustment mechanism of the welding arm, and the upper micro-adjustment mechanism and the lower micro-adjustment mechanism of the welding arm are connected with a left micro-adjustment mechanism and a right micro-adjustment mechanism of the welding arm. The welding arm is connected with the upper micro-adjustment mechanism and the lower micro-adjustment mechanism of the welding arm and the left micro-adjustment mechanism and the right micro-adjustment mechanism of the welding arm, which can realize the micro-motion regulation of the welding arm in the upper, lower, left and right directions, so that the automatic regulation and the tracking welding of the welding seam of the hull longitudinal are achieved and the work efficiency is high.