93results about How to "Accurate movement distance" patented technology

The invention relates to a control device of an electrically adjusted antenna, comprising a motor and a declinational angle control module of the electrically adjusted antenna, wherein the motor is provided with a rotating shaft; the front end of the rotating shaft of the motor is connected with a phaser rotating shaft of the electrically adjusted antenna; and the declinational angle control module of the electrically adjusted antenna is connected with the motor. The control device of the electrically adjusted antenna is characterized in that the rear end of the rotating shaft of the motor is provided with an extending section extending outwards and provided with a screw thread thereon, and a slide block is sleeved on the extending section at the rear end of the rotating shaft of the motor in a sliding way; the control device of the electrically adjusted antenna also comprises two limit switches which can be triggered by the slide block, the distance between the two limit switches is consistent with the mechanical adjustment range of the electrically adjusted antenna, and the output ends of the two limit switches are connected with the declinational angle control module of the electrically adjusted antenna. Compared with the prior art, the invention has the advantages of accurately obtaining the moving distance of a phaser and having simple structure and convenient use.

The invention discloses a durability test device and a durability test system for a gear shift mechanism, and belongs to the technical field of gear shifting. The durability test device includes a first electric cylinder, a second electric cylinder, a PLC (programmable logic controller) and a first support, wherein a controller of the first electric cylinder is electrically connected with the PLC, and a controller of the second electric cylinder is electrically connected with the PLC; the fixed end of the first electric cylinder is fixed on the first support, and the movable end of the first electric cylinder is connected with the fixed end of the second electric cylinder, for controlling the second electric cylinder to move in the extending direction of the first electric cylinder; the movable end of the second electric cylinder is used for being connected with the control lever of the gear shift mechanism; the first electric cylinder is mutually perpendicular to the extending direction of the second electric cylinder. By using the durability test device and system, the gear shift mechanism with the complex gear shifting track can be tested.

The utility model provides a full-automatic punching flanging device, relating to a compound device which carries out punching and flanging on a workpiece. The full-automatic punching flanging device is composed of a control console, a frame body, an oil tank, a front cylinder assembly, a rear cylinder assembly and a motor. The full-automatic punching flanging device is characterized in that the front cylinder assembly and the rear cylinder assembly are respectively arranged at the two ends of the frame body, the oil tank is arranged outside the frame body and respectively provides power for the front cylinder assembly and the rear cylinder assembly, the motor is arranged outside the frame body of the front cylinder assembly, and the control console is respectively connected with the oil tank and the motor. The utility model has the beneficial effects that: a flanging punch is designed into the mode that the cross section is in a stepped appearance or trapezoid shape, punching and flanging can be completed in one step, displacement is accurate, pitch accuracy is high, punching and flanging can be continuously carried out on a pipe, the operation is simple, the working efficiency is high, and the production cost is low.

The invention relates to a suspension type skimbar putting device, which comprises a cantilever pole tilting device (10), a skimbar clamping device (13) and an energy medium system (3), wherein the energy medium system (3) is used for cooling the cantilever pole tilting device (10); the energy medium system (3) and a vehicle-mounted hydraulic station (5) are arranged on a rotating platform (15); the rotating platform (15) is arranged on a suspension platform (7) and is rotated relatively to the suspension platform (7); the suspension platform (7) is arranged on a walking platform (1); a walking driving device (2) is arranged on the walking platform (1); the suspension platform (7) is driven by the walking driving device (2) to move; and the vehicle-mounted hydraulic station (5) is used for driving the cantilever pole tilting device (10) and the skimbar clamping device (13) to operate. The suspension type skimbar putting device has a compact structure, is reliable to operate, and has high putting accuracy, and convenience in maintaining, overhauling and replacing easily damaged parts.

A method and a system for enhancing elevator positioning includes a camera system designed to record pictures and a computer system designed to determine an absolute distance or a distance between two elements of the recorded pictures. The device is designed to determine the relative distance between the floor of an elevator car and the floor of a landing.

The novel engine retarder includes oil inlet channel, solenoid valve, oil outlet channel, non-return valve, work oil channel, driving piston, spring sheet, etc. It has two regulating structures, the first regulating structure has one regulating washer to regulate the interval between the screw plug and the limiting step on the regulating piston to ensure the precise moving distance of the driving piston, and the second regulating structure has regulating screw to regulate the assembly of screw plug and the regulating piston in proper position inside the piston cavity to ensure the precise gap between the driving piston and regulating piston and the precise initial opening height of the exhaust door. The present invention has also oil discharging channel to regulate the throttle opening and ideal braking force under different rotation speed.

The invention discloses a turbine blade infrared radiation light collection device, which belongs to the field of mechanical structures. A light focusing method is particularly designed. Infrared radiation light on the surface of the turbine blade is collected through a reflector, the light is collimated by a collimating mirror, the light is finally collected by a received through a focusing mirror, the collimating mirror is arranged on a collimating sliding block, the collimating sliding block is arranged on a collimating guide rail, a small rigid ball is adopted between the collimating sliding block and the collimating guide rail for realizing sliding connection, accurate movement of the collimating sliding block is realized through engagement between a gear and a rack, and in order to enable the movement distance of the collimating sliding block to be more accurate, a position detection point is arranged on the collimating guide rail for position detection and correction on the collimating sliding block. Thus, the device has the advantage that the turbine blade infrared radiation light collection can be realized, and the focusing precision is high.

The invention relates to a blood-culture carbon dioxide trace-gas detection system and a detection method thereof. The blood-culture carbon dioxide trace-gas detection system is characterized by comprising a detection device and an image collection device, wherein the detection device comprises a reaction bottle, the opening of the reaction bottle is provided with a seal cover, the seal cover is provided with a capillary glass tube insertion hole, one end of a capillary glass tube is inserted into the reaction bottle through the capillary glass tube insertion hole, and color liquid is contained in the capillary glass tube and forms a liquid column in the capillary glass tube; the image collection device aims at photographing the color liquid in the capillary glass tube, and a picture taken by the image collection device is transmitted to a computer to be processed. The blood-culture carbon dioxide trace-gas detection system has the beneficial effects that the micro increment of gas is changed to the obvious displacement of liquid, so that observation and measurement are easy; the stationary image collection device is used for taking picture, and after the picture is subjected to computer image processing, the distance is measured, so that the movement distance of the liquid column before and after the reaction can be measured; moreover, the blood-culture carbon dioxide trace-gas detection system is simple in structure, convenient to operate, low in cost, high in precision and wide in application range.

The invention belongs to the panel grooving device, and in particular relates to a panel grooving device. The panel grooving device comprises a rack, wherein a worktable is arranged on the rack; a cutting slit is formed in the worktable; a cutting shaft, a first rotary shaft and a second rotary shaft are successively arranged from left to right below the worktable; a first gear and a driving gearare arranged on the first rotary shaft; a first rack parallel to the direction of the cutting slit and engaged to the first gear is fixedly connected to the rack; an air cylinder is also arranged on the right side of the first rotary shaft on the rack; and a push rod of the air cylinder leans against the first rotary shaft; a disc saw web is arranged right below the cutting slit on the cutting shaft; and a second gear engaged to the second rack is arranged on the second rotary shaft. By adopting the scheme, the demand of compressing the panel is met during grooving, and the grooving precisionis ensured.

The invention provides a down-adjustment type high-speed thin sheet longitudinal shearing machine, belongs to the technical field of longitudinal shearing machines. The down-adjustment type high-speedthin sheet longitudinal shearing machine comprises a left side machine frame, a right side machine frame, an upper cutter shaft and a lower cutter shaft, wherein the upper cutter shaft and the lowercutter shaft are arranged between the left side machine frame and the right side machine frame, upper side bearings are fixedly arranged in the left side machine frame and the right side machine framecorrespondingly, the upper side bearings are arranged at the two ends of the upper cutter shaft in a sleeving mode, the upper cutter shaft is fixed between the left side machine frame and the right side machine frame through the upper side bearings, lead screws which are arranged straightly are movably supported in the left side machine frame and the right side machine frame, lead screw nuts areconnected with lead screws in a sleeving mode, a lower cutter holder is fixed on the lead screw nuts, a lower side bearing is arranged in the lower cutter holder, the lower cutter shaft is arranged between the left side machine frame and the right side machine frame through the lower side bearing, the lower cutter holder is driven by the lead screw nuts to slide on the left side machine frame or the right side machine frame, a worm and gear mechanism is further arranged on the left side machine frame and the right side machine frame, and the lead screws can move under the linkage action of theworm and gear mechanism. The down-adjustment type high-speed thin sheet longitudinal shearing machine has the advantages that precision of the longitudinal shearing machines can be improved, and convenience is brought to a user to use.

The invention discloses a CCD fixture for a micro-structure cutting machine tool. The CCD fixture comprises a horizontal adjusting device, a micro adjusting device and a vertical adjusting device. The horizontal adjusting device is connected with the vertical adjusting device through the micro adjusting device and drives the vertical adjusting device to move on a circular arc. The micro adjusting device controls the radius value of the movement circular arc of the vertical adjusting device. A CCD camera is installed on the vertical adjusting device. The vertical adjusting device drives the CCD camera to move in the vertical direction. According to the CCD fixture for the micro-structure cutting machine tool, the structure that rough adjusting is combined with fine adjusting, and rapid adjusting is combined with slow adjusting is adopted, thus, the CCD camera can be flexibly adjusted on the horizontal plane, adjusting is convenient and rapid, and the precision is high; the distance between the CCD camera and a shot object can be adjusted as required, so that the focal length of the CCD camera is adjusted; and the CCD fixture can be applied to working occasions with the requirements for long distance, so that the universality is high.

The embodiment of the invention discloses a focusing method. The method is applied to a focusing device, the focusing device is connected with a reading circuit of a pixel structure of a CIS, the pixel structure further comprises an optical filter and at least two sets of photodiodes, each set of photodiodes is correspondingly connected with one reading circuit, and an isolation region is arranged between each set of photodiodes; the method comprises the following steps of: oincident light is filtered by the optical filter to obtain light with a specific wavelength; each photodiode absorbs light with a specific wavelength and converts the light into an electric signal according to the resonant wavelength of the light receiving surface of each photodiode; two electric signals are read from the at least two reading circuits respectively, the moving distance of the camera to which the CIS belongs is determined according to the phase difference of the two electric signals, and the lens of the camera is moved based on the moving distance so as to focus the camera. The embodiment of the invention further provides a focusing device, a terminal and a computer storage medium.

The invention discloses an adjustable cloth material playing and dyeing device. The device comprises a rectangular box body and a first fixing board. The left side surface and the right side surface in the interior of the box body are slidably connected with left and right ends of two support rods which are arranged on a same horizontal plane. The two support rods are arranged in parallel. The left side surface and the right side surface on the inner wall of the rectangular box body are equipped with limit grooves along forward-backward direction. The left and right ends of each support rod are fixed with sliding clamp blocks. The sliding clamp blocks are slidably connected with the limit grooves on the inner wall of the rectangular box body. Right ends on the outer side surfaces of the two support rods are fixedly connected with lower ends of two vertical rods. The distances between the two support rods and positions of the two support rods are convenient to adjust. Therefore, the device is more applicable. Dyeing effect of cloth material is ensured. By means of support columns, sliding blocks and limit sliding rods, stability during movement of the support columns is ensured. Thepossibility of cloth material sliding and falling down from the support rods is lowered.

The invention provides a cylinder cover valve seat ring valve wire grinding and flapping machine. The cylinder cover valve seat ring valve wire grinding and flapping machine comprises a lower fixed plate and an upper fixed plate; supporting rods are connected between the upper fixed plate and the lower fixed plate; a cylinder cover locating movable device is arranged on the lower fixed plate; twogroups of rotary lifting devices in a front and back manner are arranged on the upper fixed plate; the rotary lifting devices comprise brackets; mounting plates are arranged on the brackets; reciprocating air cylinders are arranged on the mounting plates; the reciprocating air cylinders are connected with gear boxes; fixed frames are arranged on the gear boxes; motors are arranged on the fixed frames; driving gears and synchronizing gears are arranged in the gear boxes; synchronizing gears are connected with rotating shafts; the lower ends of the rotating shafts penetrate through the gear boxes; outer sleeves sleeve the lower ends of the rotating shafts; bases are arranged at the lower parts of the outer sleeves; oblique bumps are arranged on the bases; oblique guide surfaces and straightsurfaces are arranged on the oblique bumps; slots and limiting grooves are formed in the lower ends of the rotating shafts; rotating rods are arranged in the slots; limiting pins and sliding pins arearranged on the outer walls of the rotating rods; springs are arranged at the parts, located at the upper parts of the limiting pins, of the outer walls of the rotating rods; the sliding pins of the rotating rods are in fit with the oblique guide surfaces of the oblique bumps; sucking discs are arranged at the lower ends of the rotating rods; and the lower ends of the sucking discs and valve rodsare sucked.

The invention relates to the technical field of machining, and discloses a numerical control relief grinding machine. The numerical control relief grinding machine comprises a base, a stand column, arelieving mechanism, a first guide mechanism, a first power mechanism, a workbench, a second guide mechanism and a second power mechanism, wherein the relieving mechanism comprises a backed-off cutterand is connected to the stand column through the first guide mechanism, the guide direction of the first guide mechanism is the same as the height direction of the stand column, the first power mechanism comprises a first motor and a first transmission piece, the first transmission piece is connected with the relieving mechanism to drive the relieving mechanism to move, the guide direction of thesecond guide mechanism is the same as the length direction of the base, the workbench is connected to the base through the second guide mechanism, the second power mechanism comprises a second motorand a second transmission piece connected with the second motor, and the second transmission piece is connected with the relieving mechanism to drive the relieving mechanism to move. According to themachine, the problems that in the prior art, the relief grinding machine is driven by the hydraulic driving, so that positioning precision is poor, the temperature is influenced, the safety is not high and the like are solved.

The invention discloses a high-precision positioning omnidirectional wheel. The omnidirectional wheel comprises wheel hubs, supporting frames are arranged on the outer circumference of the wheel hubs,driven wheels are arranged on the supporting frames, the rotation direction of the driven wheels is perpendicular to the rotation direction of the wheel hubs, three rows of the driven wheels are disposed on the outer circumference of the wheel hubs, and patterns are formed in the surfaces of the driven wheels in the movement direction of the driven wheels. The omnidirectional wheel has low cost,and high-precision movement accuracy is achieved, so that the omnidirectional wheel is suitable for high-precision sports occasions.