40results about How to "Prevent from compromising accuracy" patented technology

The invention discloses a fetus-voice meter for gynecology and obstetrics, including a fetus-voice meter body. A PLC control is arranged at that middle position of the front side of the main body of the fetus-voice meter. A wireless transceiver is arranged at a position close to the left side of the front side of the fetus-voice meter main body. A work indicator lamp is arranged at a position close to the right side of the front side of the fetus-voice meter main body. A loudspeaker and a memory are respectively arranged at positions close to that front side surface of the upper surface of thefetus-voice meter main body, the front side of the memory is provided with a USB socket. An accumulator is arranged at that position of the upper surface of the main body of the fetus-voice meter near the rear side surface. A Doppler probe is conveniently protected through the arrangement of a placement groove and a cover plate in the fetus-voice meter, so that the Doppler probe is prevented frombeing damaged, the accuracy of the detection is affected. The fixing bolt, the telescopic rod and the fixing barrel are convenient to support the main body of the fetus-voice meter, and the fixing bracket and the fixing shaft are convenient to carry the fetus-voice meter for the gynecology and obstetrics clinic, and the device is convenient to use.

The invention discloses an automatic positioning-detecting system based on a tube-boring perforating lathe, and relates to the technical field of tube-boring automatic production lathes, and aims to solve the problem of offset of a boring tube to be machined due to inaccurate positioning. The automatic positioning-detecting system is technically characterized by comprising a rack, wherein the rackis provided with a belt wheel for conveying a boring tube; a positioning mechanism is arranged at a tail end of the belt wheel; the positioning mechanism comprises side top pieces which are arrangedsymmetrically and are positioned at the tail ends of the belt wheel; the two side top pieces are connected to one driving transmission mechanism; the driving transmission mechanism comprises connection blocks, a slide rail, a slide block, two connection rods and a cylinder; two connection blocks are arranged on outer sides of the two side top pieces respectively; the connection blocks are of L-shaped structures, the other sides of the connection blocks are fixed to the slide block; the slide block is in slide connection with the slide rail which is vertically arranged with the side top pieces;certain sides, close to the slide block, of the connection blocks are fixed to the connection rods; the other ends of the two connection rods are arranged on an output shaft of the cylinder. By adopting the automatic positioning-detecting system, the boring accuracy is increased in order to ensure machining quality.

The invention relates to the technical field of bicycle pipe fitting machining and particularly relates to a stamping device for bicycle pipe fitting machining. The device comprises a base; supportingseats are symmetrically arranged at a bottom of the base; a fixed plate is arranged in the middle of a right supporting seat; a driving motor is mounted on the fixed plate; a screw is arranged at anoutput end of the driving motor; the screw penetrates an upper portion of the right supporting base and is rotationally connected with a left supporting base; the screw is symmetrically sleeved with nuts; and L-shaped rods are symmetrically arranged at tops of the nuts. The invention provides a stamping device for bicycle pipe fitting machining. Under the action of a first clamping block and a second clamping block, the effect of clamping a pipe fitting body is achieved; the fixing effect is good, the punching precision is improved, the effect of adjusting the punching position of the pipe fitting body is achieved under the action of a first driving air cylinder and a second driving air cylinder, an effect of adjusting a punching position of the pipe fitting body is achieved, different positions of a pipe fitting can be punched, meanwhile, punching is completed in the left direction and the right direction of the pipe fitting body, and the working efficiency is improved.

The invention relates to an automatic machining production line for elevator car production. The automatic machining production line for elevator car production comprises an equipment shell and an electromagnet, a first belt conveyor is arranged at the front end of the lower wall in the equipment shell, a second belt conveyor and a third belt conveyor are sequentially arranged at the rear end of the lower wall in the equipment shell from left to right, a sealing plate is placed at the upper end of the third belt conveyor, a first electric sliding rail, a first welding mechanism, a fourth electric sliding rail and a second welding mechanism are sequentially arranged on the upper wall of the interior of the equipment shell from left to right, a fifth electric sliding rail is installed at the lower end of the first electric sliding rail, a second multi-section hydraulic cylinder is installed at the lower end of the fifth electric sliding rail, and a first spring and a guide rod are sequentially arranged at the lower end of the second multi-section hydraulic cylinder from the middle to the left side and the right side. The installation position of reinforcing keels can be positioned through a contact sensor, grooves in an upper layer keel and a lower layer keel can be accurately in butt joint, and therefore the reinforcing keels can be accurately installed through equipment.

The invention discloses a die assembly used for light sheet machining and a using method thereof. The die assembly comprises a die plate, a clamping plate, a transmission plate, a hydraulic rod, a hydraulic box, a guide rod, a supporting device, a supporting plate, a spring support, an electricity box, a guide line, a first electromagnet, a die, a fixing groove, a clamping groove and a second electromagnet. The die assembly has the beneficial effects that by arranging the spring support and the first electromagnet at the bottom of the supporting device, the first electromagnet is energized toadsorb steel sheets, the spring support is compressed by the steel sheets to be clamped in the fixing groove and fixed, after die pressing is completed, the first electromagnet is powered off, the steel sheets are pushed by the spring support to return to the original position, thus, the steel sheets can be fixed and taken out conveniently, and the die pressing efficiency is improved. By arrangingthe second electromagnet in the die, after the die completes die pressing operation after making contact with the steel sheets, the second electromagnet is energized and thus can adsorb models pressed from the steel sheets, and the models can be taken out conveniently. The die assembly has the characteristics of being high in die pressing efficiency, simple and convenient to use.

The invention discloses a height measurement level gage for building surveying and mapping. The height measurement level gage for building surveying and mapping comprises a machine frame, an eyepiece,a focusing screw, a rotary table, a base and an objective lens. The focusing screw which controls the eyepiece is arranged on the machine frame, the rotary table is installed on the base, the machineframe is fixed to the rotary table, the eyepiece, the objective lens and the focusing screw are arranged on the machine frame, an outer retaining ring and a connecting base are arranged on the outersurface of the rotary table, more than two wind holes are evenly formed in the circumference surface of the retaining ring, and a rotary handle, a connecting rotary shaft and a screw are arranged in the connecting base. Through combined action of the wind holes in combination with a detecting opening, a motor, an output transmission end, a transmission track, a belt pulley, the screw and the connecting rotary shaft, the rotary table capable of detecting wind magnitude in real time can turn off the surveying and mapping work of the leveling gage in time when the wind is strong to avoid excessive measurement errors.

The invention relates to drilling equipment for mold production. The drilling equipment comprises a workbench, a supporting rod and an execution device, wherein the workbench is horizontally arranged, the supporting rod is vertically fixed to the workbench, and the execution device is located above the workbench; the workbench is provided with an auxiliary mechanism, and the auxiliary mechanism is located between the workbench and the execution device; the supporting rod is provided with a cleaning mechanism, and the cleaning mechanism is located between the auxiliary mechanism and the execution device; and the auxiliary mechanism comprises a rotating shaft, a supporting plate, an electromagnet, a power assembly and two connecting assemblies, and the connecting assemblies comprise first bearings, limiting blocks, guide rods, reset springs and guide holes. According to the drilling equipment for mold production, the function of cleaning impurities on a workpiece is achieved through the cleaning mechanism, the impurities are prevented from influencing the drilling accuracy, and in addition, the function of removing chippings in a blind hole is achieved through the auxiliary mechanism.

The invention relates to the field of polyethylene production and processing, in particular to a high-density polyethylene product processing cutting device. The device comprises a cutting processing table, the cutting machining tables are symmetrically fixed to the two sides of the top of the cutting processing table, supporting stand columns are symmetrically fixed to the two sides of the bottom of the cutting processing table, a polyethylene recycling box is connected between the two supporting stand columns through a detachable mechanism, a grinding mechanism and a cutting mechanism are arranged between the two sets of cutting machining tables from top to bottom, a mounting top plate is fixed to the position, between the grinding mechanism and the cutting mechanism, of the two sets of cutting machining tables, and the mounting top plate is provided with a limiting fastening mechanism. The device prevents a polyethylene pipe from moving during the grinding and cutting of the outer wall of the polyethylene pipe, the polishing or cutting precision is influenced, grinding pieces on the two sides are driven to rotate, the outer wall of the polyethylene pipe is rotationally ground, a cutting sleeve rod is driven to horizontally move, and a cutting motor is started to drive a cutting tool to cut the polyethylene pipe.

The invention discloses a following type magnetostrictive water level gauge for a hydraulic engineering piezometric tube, and belongs to the technical field of measuring devices. The following type magnetostrictive water level gauge for the hydraulic engineering piezometric tube comprises a piezometric tube body and a water level gauge body, the water level gauge body comprises a waveguide rod, a magnetic floating body and a balancing weight, and the magnetic floating body is slidably connected with the waveguide rod; the balancing weight is fixedly connected with the lower end of the waveguide rod, and the upper end of the waveguide rod is connected with a fixing block. According to the following type magnetostrictive water level gauge, through the arrangement of a limiting mechanism, the water level gauge body can be fixed, the situations that the water level gauge body shakes due to water surface fluctuation, and the measurement accuracy is affected, are prevented, and the stability of the water level gauge body in the measurement process is effectively improved; by arranging a driving mechanism and a wire harness winding mechanism, a user can conveniently adjust the position of the water level gauge body, so that the magnetic floating body (13) is flush with the water surface, and the detection accuracy is improved.

The invention relates to a valve core sleeve rubber ring visual inspection device which comprises a bottom box, a detection disc is arranged above the bottom box, the detection disc is fixedly connected with the bottom box, the axis of the detection disc is horizontally arranged, a cylindrical groove is formed in one side of the detection disc, the groove and the detection disc are coaxially arranged, and the detection disc is fixedly connected with the bottom box. According to the device for visually detecting the rubber ring of the valve core sleeve, the visual detection function is achieved, the detection convenience and the detection efficiency are improved, impurities in the groove can be removed, the impurities are prevented from influencing the visual detection accuracy, the automatic sorting function can be achieved, the labor intensity of workers is reduced, and the working efficiency of the workers is improved. And the convenience and the working efficiency are further improved.

The present invention discloses an electronically controlled precision displacement platform. The platform comprises a device body, an operation board, a control table a containing table, a side board and a control panel. The operation board is arranged at one end of the device body; an outer frame is arranged at the upper side of the operation board; the containing table is arranged at the upper side of the operation table; drivers are installed at two sides of the containing table; a movement track is arranged at the upper side of the operation board; a driver is embedded at the upper side of the movement track; the side board is arranged at the upper side of the operation board; legs are installed at the bottom end of the operation board; the operation board is connected with the control table through wires; and the control panel is arranged at the upper side of the control panel; a display is arranged at the upper side of the control panel; control buttons are installed at the upper side of the control panel; and a distribution box is installed at the bottom end of the control table. The electronically controlled precision displacement platform is provided with displacement measurement instruments installed around the containing table to monitor the movement distance at each angle after the containing table is moved so as to enhance the accuracy of the device body.

The invention discloses an inspection device for the production of a PTFE membrane material, and relates to the technical field of PTFE membrane material production. The device comprises a box body, afeeding hole is formed at one side of the box body, and a discharging hole is formed at the other side of the box body; a cleaning plate is fixedly installed at the side, close to the feeding hole, in the box body, and a first detection plate is fixedly installed at the other side in the box body. In the present invention, through the use of a motor, a first connecting part, a first connecting shaft, a first roller, the cleaning plate, a brush and a fan, the dust or impurities on the surface of the PTFE membrane material are removed, and dust or impurities are prevented from blocking holes inthe surface of the PTFE membrane material to influence the inspection accuracy; through the cooperative use of a hand wheel, a vertical shaft, a limiting shaft, a second connecting part, a second connecting shaft, a second roller, a third connecting part, a third connecting shaft and a third roller, the PTFE membrane material is limited, so that the PTFE membrane material smoothly enters the boxbody, and the PTFE membrane material is prevented from wrinkling to influence the inspection result.

The invention discloses weighing equipment for commercial concrete production; the equipment comprises a weighing mechanism, the weighing mechanism comprises a base, weighing bodies are fixedly connected to the positions, close to the edges of the two sides, of the top of the base, a tray is fixedly connected to the input end of each weighing body, and a group of first oil cylinders are fixedly connected to the two sides of the center of the top of the base; each set of first oil cylinders comprises two first oil cylinders, a supporting plate is fixedly connected between the top ends of the two first oil cylinders in each set, and a connecting plate is arranged on the top of each supporting plate. In use, the equipment can be stably placed at a designated use site through the base, a storage frame can be stably placed between the two scale bodies through cooperation of the tray and the connecting plate, then the scale bodies can effectively weigh and measure the mass of concrete in the storage frame, after measurement is finished, a second oil cylinder is started, and the second oil cylinder can move the sealing plate under the limitation of the position of the L-shaped sliding strip, so that concrete can be effectively discharged from the interior of the storage frame.

The invention discloses a metering system for water-stabilized mixing materials. The metering system comprises a supporting frame and a raw material bin, wherein the raw material bin is arranged on the top layer of the supporting frame, a pedal is arranged on the periphery of the raw material bin, a guardrail is arranged on the periphery of the pedal, a metering bin is correspondingly arranged below the raw material bin, a plurality of weight sensors are arranged on the upper edge of the metering bin, and the plurality of weight sensors are uniformly distributed on the peripheral side of the measuring bin; the measuring bin is connected with the supporting frame through a weight sensor, pedals are arranged on the periphery of the measuring bin, and the pedals are provided with guardrails. The metering bin is arranged to meter a continuous working occasion, opening of the feeding door and the discharging door is controlled in a matched mode, the weight or the flow of materials is obtained through signal collection of the weight sensor, filtering, signal amplification and AD conversion, and the metering accuracy is improved.

The invention provides a light path calibration tool, which comprises a fixing rod and a calibration rod which are coaxially arranged, the diameter of the calibration rod is approximately the same as that of a light spot to be calibrated, and the fixing rod can be axially inserted and matched with a fixing hole in the surface of an optical platform, so that the calibration rod is positioned on a light path to be calibrated and is placed above the optical platform. The invention further provides an optical path calibration method, and the optical path calibration tool is sequentially used from front to back to adjust the optical devices so as to calibrate the optical path. The calibration tool has the advantages that the fixing rod can be directly inserted into the fixing hole, screw connection is not needed, the calibration tool can be quickly inserted and pulled out in the use process, and use is convenient; the calibration result is judged by judging whether the light spot is completely covered by the calibration rod, and the light path calibration precision is high; and the calibration rod can be directly irradiated by a light spot to check whether the size is proper or not before an experiment, so that the calibration precision is prevented from being influenced by processing errors. The device is suitable for quantum information related optical experiments such as quantum communication and quantum measurement.

The invention discloses a method for monitoring the concentration of suspended matters in a construction sea area by utilizing a multi-layer distribution sampling device, and aims to solve the problemthat it is inconvenient to sample sea water of different depths in a construction sea area, and the monitored concentration value of suspended matters in the construction sea area is not accurate enough caused by the fact that the suspended matters diffuse to outwards easily due to that the construction sea area is open. A fence ring is arranged in the construction sea area, and a mechanical gripper is adopted for construction in a sea area defined by the fence ring, so that influence to the sampling accuracy caused by outward diffusion of the suspended matters is prevented; and openings in the lower end of a sampling pipe are formed in different water level positions, so that distribution sampling of a plurality of layers of water areas can be realized. In the construction process of themechanical gripper, a push rod is touched, and the push rod is driven to rotate anticlockwise, and the push rod abuts against a sealing cover and drives the sealing cover to rotate downwards, so thatthe openings in the lower end of the sampling pipe are opened, and the seawater in the opening positions at the lower end of the sampling pipe flows into the sampling pipe for sampling.

The invention discloses a split shaft tube splicing welding platform. The split shaft tube splicing welding platform comprises a workbench, a welding head and a base, wherein an insulating plate is connected to the upper surface of the workbench; the workbench and the insulating plate are connected through pasting; an air blower is mounted on the insulating plate; a fixed block is arranged in theair blower; blades are connected in the fixed block; the fixed block and the blades are connected through bolts; a sliding chute is formed in the right side of the air blower; a movable bracket is connected to the inner surface of the sliding chute; a pin rod is mounted in the movable bracket; a supporting rod is arranged on the right side of the pin rod; a bolt is connected in the welding head; and the welding head is positioned under the supporting rod. Compared with a conventional ordinary split shaft tube splicing welding platform, the split shaft tube splicing welding platform has the advantages that welded materials can be cleared and collected, unnecessary waste is avoided, besides, a shaft tube can be fixed, and the shaft tube is prevented from shaking during welding.