30results about How to "Convenient length measurement" patented technology

Disclosed is a self-adaptive segmentation method based on a crack image subarea gray scale mean value. The method comprises the following steps: 1), analyzing crack image characteristics on the basis of crack image gray scale statistical data of an image histogram; 2), selecting a narrow and long rectangular area as an image analysis ROI area, wherein the narrow and long rectangular area is symmetrical about a prefabricated crack expansion horizontal line and comprises fatigue cracks; 3), dividing the ROI area into two rows of multiple same-dimensioned square area image subareas from a prefabricated crack starting point to a crack right edge position; 4), calculating a grayscale distribution variance for each image subarea, and according to a variance distribution rule, excluding image subareas not including the fatigue cracks; 5), performing histogram calculation on the image subareas comprising the cracks to obtain a histogram two-dimensional array; and 6), performing crack segmentation on each subarea by use of a self-adaptive iteration method based on the crack image subarea gray scale mean value. According to the invention, the crack measuring precision is improved, the application scope is wide, the algorithm complexity is low, the realization is simple, and the operation speed is fast.

The invention provides an intelligent type power cable emergency recovery vehicle which is used for improving the working efficiency when recovery work is carried out on a communication cable. Rails are arranged on the left and right sides of a vehicle body respectively; a lateral vehicle plate is mounted between the rails in a sliding manner; a lateral vehicle plate driving mechanism for driving the lateral vehicle plate to move up and down is arranged between the lateral vehicle plate and the vehicle body; a new cable loading and unloading assembly is arranged on the rear side of the vehicle body, and mainly comprises a supporting arm, a supporting plate, a first loading and unloading oil cylinder, a second loading and unloading oil cylinder and a clamping mechanism; the supporting arm is hinged onto the supporting plate; the first loading and unloading oil cylinder is arranged between the supporting plate and the supporting arm; a U-shaped frame is arranged at the top of the supporting arm; a clamping block is hinged to the left end of the U-shaped frame; a clamping mechanism for driving the clamping block to swing is arranged between the clamping block and a clamping arm; a supporting plate fixing mechanism is arranged between a positioning hole of the supporting plate and the vehicle body; a waste cable recycling assembly is arranged on the left side of the vehicle body or / and the right of the vehicle body; and a hoisting assembly is arranged in the middle of the vehicle body. With the adoption of the intelligent type power cable emergency recovery vehicle, the physical labor of workers can be greatly alleviated.

A scanning electron microscope with a length measurement function includes an electron gun emitting an electron beam, a measurement target region setting unit for setting a measurement region for a pattern formed on a sample, a storing unit for storing the designated measurement region, a beam blanker unit for controlling an irradiation of the electron beam depending on the measurement region, and a control unit for extracting the designated measurement region from the storing unit, interrupting the electron beam with the beam blanker unit in a region other than the measurement region, irradiating the electron beam passed through the beam blanker unit onto the sample in the measurement region, capturing an image of the measurement region, and measuring the pattern. The measurement region may be represented by a pair of measurement regions, and the respective regions may have the same areas as each other.

The invention discloses a test method for detonation velocity of a nonel with a defect. The test method is a non-contact test method characterized in that digital images are shot by utilizing a high-speed camera, the images are subject to digital processing by a CAD (Computer Aided Design) software of a computer so as to realize detonation velocity test of the nonel. According to the test method, the measured detonation velocity is closer to the instantaneous velocity of a measure point; the normal start of the high-speed camera in detonating moment of the nonel can be guaranteed, and the required whole process can be shot; the calculated amount is reduced, and the difficulty of data processing is lowered; the AUTO CAD software is introduced in data processing, and the distance can be more conveniently and accurately measured by utilizing a proportional scale function, a building block function, and a zoom in and out function in the CAD.

The invention provides an apparatus for detecting embedment depth of a roof bolt sleeve to solve a problem of lack of special tools in the prior art. The apparatus comprises a gauge rod. The head end of the gauge rod is provided with a main contact which is connected with an auxiliary contact through a conduction path. A power supply and a conduction detection apparatus are arranged on the conduction path. In application, the apparatus is slowly put into the embedded sleeve. If the conduction detection apparatus changes to an off condition, it indicates that the main contact exceeds the sleeve. The state turning point of the conduction detection apparatus is found, and then embedment depth of the sleeve can be measured by detecting the length of the insulated gauge rod. Compared with the conventional method for detecting the embedment depth of the sleeve, the method has the advantages of simple operation, accurate data measurement, construction time saving, and convenient, fast, and inexpensive construction.

The invention discloses a paperboard production and conveying line. According to the technical scheme, the paperboard production and conveying line is characterized in that the paperboard production and conveying line comprises a rack and a conveying belt arranged on the rack; a stroke detection device abutting against the surface of the conveying belt is arranged on the rack; a marking device isarranged on the rack; a roller of the stroke detection device abuts against the surface of the conveying belt; a display is arranged on the rack; the display is connected with the output end of a controller; bar guide plates are arranged on the rack; infrared detectors are arranged on the bar guide plates; a processor is arranged on the rack; and position correction devices for paperboard resetting are arranged on the parts, located on the two sides of the conveying belt, of the rack correspondingly. The paperboard production and conveying line can provide marked paperboard surfaces, so that workers can carry out bending operation on paperboards conveniently, shifting detection and position correction operation can be carried out on the paperboards on the conveying belt, and the situationthat the paperboards fall off the conveying belt is avoided.

A length measuring method installs the sample permanent magnet on the sample shaft instead of on the length measuring shaft, and installs the sensor to the place close to the sample shaft instead of the length measuring shaft, which connects with the sample shaft through the teethed gear set, connecting the signal output end of the sensor with the input end of the signal converter of the length measuring electrometer, entering the diameter of the strip like length measuring shaft and the gear drive ratio between the sample shaft through the parameter setup button on the length electrometer panel to the CPU of the length measuring electrometer. It can realize the length measurement to all strips like articles along their transmission direction, with strong applicability, simple operation and improved precision.

The invention relates to the technical field of chain length measuring devices, in particular to a length measuring device with a protection function for chain production, which comprises an operation table, a measuring structure for measuring the length of a chain is arranged on the operation table, an identification structure for displaying a measuring result is arranged on the operation table, and the identification structure is connected to the measuring structure; a protection plate is vertically arranged on the operation table, and a first driving structure used for driving the measuring structure to tighten the chain is arranged on the protection plate; a height adjusting structure used for adjusting the height of the storage structure is arranged on the operation table, the height adjusting structure is rotationally connected with the storage structure, and a second driving structure used for driving the storage structure to rotate is arranged on the operation table; the first driving structure drives the measuring structure to unfold the chain, and the measuring structure drives the identification structure to visually display data, so that the length measurement of the chain is more convenient and faster.

The invention discloses a textile fabric length measuring device, belonging to the technical field of textile fabrics. Each of them is symmetrically arranged on the bottom plate from left to right, and the measuring grooves communicate with each other. The tape measure is inserted into one side of the measuring groove, and further includes: a guide frame, a second magnet, a sliding block, a clamping block, a winding block assembly, limit assembly, and positioning assembly; the present invention facilitates the measurement of fabrics with a long length, the sliding block drives the fabric to pass through the limit assemblies on both sides, and drives the limit assemblies under the action of the thickness of the fabric The positioning component is driven to move, and the tape measure and the center of the end face of the cloth are overlapped by the positioning component, so as to avoid errors caused by the thickness of the cloth; it solves the problem of the existing cloth measuring device due to the different thickness of the cloth. error will occur.

The invention provides a dental canal length determination device. The dental canal length determination device comprises a determination device main body, a mode control switch and a probe sensor, wherein a display device is fixedly obliquely mounted at the top of the front end of the determination device main body, and the display device and the horizontal plane of the determination device mainbody are inclined to form an angle of 60 degrees; a decorative bulge is hollowly engraved on the top plane of the determination device main body; a dental canal determination device connecting wire inserting hole is formed in the right end of the determination device main body; the dental canal determination device connecting wire inserting hole is outward connected with a connecting wire. According to the dental canal length determination device, a cheek hanging head is arranged; the top of a supporting rod is in rotary connection with the bottom end of the cheek hanging head through a connecting cap; the cheek hanging head is of an H-shaped elliptic-cylinder-shaped structure, so that the cheek hanging head is conveniently inserted into a mouth corner and an inner hanging head is locatedin an oral cavity; finally, the aims of fixing the position of the whole device and expanding a mouth are realized and the length of the dental canal is convenient to determine; the cheek hanging headcan be detached from the connecting cap and can be used as a disposable structure, so that the sanitary requirements are easy to improve.

The invention discloses a carton paperboard production conveying line capable of being marked. According to the technical scheme, the production conveying line comprises a rack, and a conveying belt arranged on the rack, a stroke detecting device colliding with the surface of the conveying belt is arranged on the rack, a marking device is arranged on the rack, a roller of the stroke detecting device collides with the surface of the conveying belt, and a displayer is arranged on the rack, and is connected with the output end of a controller. According to the carton paperboard production conveying line capable of being marked, the paperboard surface can be marked, and a worker can conveniently carry out bending operation on the paperboard.

The invention discloses a paperboard conveying line facilitating carton production. According to the technical scheme, the paperboard conveying line is characterized by comprising a rack and a conveying belt arranged on the rack; a support located on the upper side of the conveying belt is arranged on the rack, an abutting pressing device is arranged on the support, a stoke detection device abutting against the surface of the conveying belt is arranged on the rack, a marking device is arranged on the rack, guide strip plates are arranged on the rack, infrared detectors are arranged on the guide strip plates, a processor is arranged on the rack, and resetting devices which are used for resetting paperboards are arranged at the positions, on the two sides of the conveying belt, of the rack correspondingly. By the adoption of the paperboard conveying line facilitating carton production, the carton paperboards can abut against the surface of the conveying belt in a pressed manner, the situations that the carton paperboards drift on the conveying belt and fall off from the conveying belt are avoided, the drifting detection and the reset operation can be conducted on the paperboards on the conveying belt, the surfaces of the paperboards can be marked, and the paperboards can be bent by workers conveniently.

The invention discloses auxiliary equipment for a synergist potting experiment method, which comprises a cleaning device, wherein the cleaning device comprises a main body, a placement plate is installed in the main body, a separator is embedded in the inner bottom wall of the main body, a water channel is formed in the wall of the main body, a water outlet is formed in the side face of the water channel, a spray head is installed at an opening of the water outlet, a mounting groove is formed in the inner wall of the main body and the side surface of the spray head, a compression groove is formed in the inner wall of the mounting groove, two compression springs are fixed in the compression groove, two compression blocks are fixed on the compression springs, a rotating rod is inserted in the mounting groove, and clamping grooves corresponding to the compression blocks are formed in the outer side of the rotating rod. According to the synergist potting experiment method, through comparison of multiple groups of experiment data, the use effects of various synergists and the optimal use environment of the synergists can be accurately judged, the optimal products can be selected, and meanwhile data support is provided for follow-up experiments.

The invention belongs to the technical field of length sensing, and provides a single-cylinder telescopic boom length sensing device. A fixing frame is mounted on a boom head of a base boom through amounting frame. A pressing part is connected between the fixing frame and the mounting frame. A rolling wheel which is rolling connection with a movable arm is connected with the fixing frame. The fixing frame comprises a shaft seat. A pressing part is connected with one end of the shaft seat. A fixing plate is arranged at the other end of the shaft seat. The rolling wheel comprises a wheel axle and a wheel body. The wheel body is in key connection with the wheel axle. One end of the wheel axle is rotationally connected to the fixing plate. The other end of the wheel axle is rotationally connected to an L-shaped plate. The L-shaped plate is provided with a fixing mechanism matched with the wheel axle. An encoder matched with the wheel axle is arranged on the fixing plate. The rolling wheelis in rolling connection with the outer wall of the movable arm, linear motion of the movable arm is converted into rotation of the rolling wheel, a rotation signal is converted into an electric signal, a length sensing valve is output, a stay wire and a rotary spring do not need to be used, the application cost is reduced, no vulnerable stay wire device is arranged, and the reliability is improved.

The invention discloses a laser suspension conductor length measuring assembly which comprises a tripod, a three-axis holder fixed on the tripod and a laser suspension conductor length measuring instrument installed on the three-axis holder. The laser range finder, the battery, the control panel, the power switch and the display screen are installed on the shell, the battery, the power switch and the display screen are connected with the control panel, and the shell comprises a main body part and a side face part arranged on the side face of the main body part. The upper part of the main body part is provided with a laser range finder mounting groove for mounting a laser range finder, the display screen is mounted in front of the side surface part, and the side surface part is provided with a battery groove for mounting a battery and a control panel mounting part for mounting a control panel. According to the invention, length measurement of the suspension conductor is facilitated.

The invention discloses a rapid measuring device for a train body length of a D-series high-speed train and a measuring method thereof. The measuring device comprises a frame. An inverted V-shaped plate is arranged at one side of the frame; and a base of a servo electric cylinder is installed at the tail end of the inverted V-shaped plate. The upper end of the frame is hinged to a three-link mechanism; and the output end of the servo electric cylinder is hinged to the three-link mechanism. A pedal type pressure sensor is arranged at the tail end of the three-link mechanism; the end portion ofthe pedal type pressure sensor is hinged to a pressing plate by a universal joint ball bearing; and an inclination sensor and an infrared ranging sensor are arranged on the pressing plate respectively. In addition, the measuring method includes: installing the measuring devices at standing columns at the two sides of a train body; and enabling pressing plates to be in contact with the front end and the rear end of the train body. Therefore, a problem of being lack of the accurate measurement of the length of the D-series high-speed train body in the prior art is solved. The measuring device and measuring method have advantages of high detection precision, high adjustability, and fast detection speed.

An intelligent type power cable emergency breakdown van is used for improving the working efficiency when a communication cable is urgently repaired. Tracks are arranged on the left side and the rightside of a vehicle body, a side vehicle plate is slidably mounted between the tracks, and a side vehicle plate driving mechanism which drives the side vehicle plate to move up and down is arranged between the side vehicle plate and the vehicle body; a new cable loading and unloading assembly is arranged on the rear side of the vehicle body and mainly comprises a supporting arm, a supporting plate,a first loading and unloading oil cylinder, a second loading and unloading oil cylinder and a clamping mechanism, the supporting arm is hinged to the supporting plate, the first loading and unloadingoil cylinder is arranged between the supporting plate and the supporting arm, a U-shaped frame is arranged on the top of the supporting arm, a clamping block is mounted at the left end of the U-shaped frame in a hinged mode, the clamping mechanism used for driving the clamping block to swing is arranged between the clamping block and a clamping arm, and a supporting plate fixing mechanism is arranged between a positioning hole of the supporting plate and the vehicle body; and an old cable recovery assembly is arranged on the left side of the vehicle body or / and on the right side of the vehicle body, and a lifting assembly is arranged in the middle of the vehicle body. The intelligent type power cable emergency breakdown van can greatly reduce manual labor of workers.

A length measuring method installs the sample permanent magnet on the sample shaft instead of on the length measuring shaft, and installs the sensor to the place close to the sample shaft instead of the length measuring shaft, which connects with the sample shaft through the teethed gear set, connecting the signal output end of the sensor with the input end of the signal converter of the length measuring electrometer, entering the diameter of the strip like length measuring shaft and the gear drive ratio between the sample shaft through the parameter setup button on the length electrometer panel to the CPU of the length measuring electrometer. It can realize the length measurement to all strips like articles along their transmission direction, with strong applicability, simple operation and improved precision.

The invention provides a steel belt length measurement device applied to the technical field of lithium-ion battery module assembly auxiliary equipment. A guiderail (2) is arranged on a device base ofthe power battery module steel belt length measurement device; a front sliding block (3) and a rear sliding block (12) are arranged on the guiderail (2); a first sliding seat (4) is connected with the front sliding block (3); a front positioning block (8) is arranged on the first sliding seat (4); a second sliding seat (7) is connected with the rear sliding block (12); a rear positioning block (13) is arranged on the second sliding seat (7); the second sliding seat (7) is connected with an adjustment screw (9); and the adjustment screw (9) passes through a screw fixing seat (10) on the devicebase (1). The power battery module steel belt length measurement device provided by the invention is capable of conveniently and correctly completing power battery module steel belt length measurement, is high in measured data consistency and adjustable in measurement range, is suitable for length measurement of steel belts with different size models, and is capable of improving the measurement device generality.

The invention discloses an installation method for a water leakage monitoring device used in a machine room, and the method comprises the following steps: (a), installing a water leakage controller; (b), connecting a leading-out wire at the bottom of the water leakage controller; (c), carrying out the segmented laying of a jump wire; (d), laying an inductive cable; (e), enabling the outer end of the inductive cable to be connected to an ending terminal; (f), setting a label at the inductive cable; (g), carrying out testing of water leakage. According to the invention, the leading-out wire, the jump wire and the inductive cable are distributed in an ordered manner according to design positions, and the jump wire and the inductive cable are fixed, thereby preventing the circuits from being twisted together, and guaranteeing the normal operation of water leakage monitoring. Moreover, the label is pasted on the inductive cable, carries the length of the inductive cable between the label and the jump wire on a branching device and the length of the inductive cable between the label and the ending terminal, and is used for marking the actual length of a field cable, so as to quickly find a leaking point when leaking happens.

The invention belongs to the technical field of length sensing, and provides a single-cylinder telescopic boom length sensing device. A fixing frame is mounted on a boom head of a base boom through amounting frame. A pressing part is connected between the fixing frame and the mounting frame. A rolling wheel which is rolling connection with a movable arm is connected with the fixing frame. The fixing frame comprises a shaft seat. A pressing part is connected with one end of the shaft seat. A fixing plate is arranged at the other end of the shaft seat. The rolling wheel comprises a wheel axle and a wheel body. The wheel body is in key connection with the wheel axle. One end of the wheel axle is rotationally connected to the fixing plate. The other end of the wheel axle is rotationally connected to an L-shaped plate. The L-shaped plate is provided with a fixing mechanism matched with the wheel axle. An encoder matched with the wheel axle is arranged on the fixing plate. The rolling wheelis in rolling connection with the outer wall of the movable arm, linear motion of the movable arm is converted into rotation of the rolling wheel, a rotation signal is converted into an electric signal, a length sensing valve is output, a stay wire and a rotary spring do not need to be used, the application cost is reduced, no vulnerable stay wire device is arranged, and the reliability is improved.

The invention belongs to the technical field of water conservancy projects, and particularly relates to water conservancy project detection equipment which comprises a workbench, a circular groove isformed in the workbench, a fixing block is welded in the circular groove, a fixing plate is welded to the inner side of the fixing block, and angle scales are arranged on the top surface of the fixingplate. A fixing rod is welded to the center of the top face of the fixing plate. Through the rotating motor, the rotating motor on the mounting frame can drive the second bevel gear to rotate throughthe shaft rod, so that the first bevel gear meshed with the second bevel gear can also rotate at the same time, and then the eccentric wheel is driven to slowly move in the bearing frame; the eccentric wheel drives the limiting rod to move in the circular groove, certain force is generated on the reinforcing steel bar, the reinforcing steel bar is driven to be bent with the fixing rod as the center point, a worker judges the bending angle of the reinforcing steel bar through the angle scales, and then the detection work of the bending degree of the reinforcing steel bar is completed.

The invention provides an intelligent type power cable emergency recovery vehicle which is used for improving the working efficiency when recovery work is carried out on a communication cable. Rails are arranged on the left and right sides of a vehicle body respectively; a lateral vehicle plate is mounted between the rails in a sliding manner; a lateral vehicle plate driving mechanism for driving the lateral vehicle plate to move up and down is arranged between the lateral vehicle plate and the vehicle body; a new cable loading and unloading assembly is arranged on the rear side of the vehicle body, and mainly comprises a supporting arm, a supporting plate, a first loading and unloading oil cylinder, a second loading and unloading oil cylinder and a clamping mechanism; the supporting arm is hinged onto the supporting plate; the first loading and unloading oil cylinder is arranged between the supporting plate and the supporting arm; a U-shaped frame is arranged at the top of the supporting arm; a clamping block is hinged to the left end of the U-shaped frame; a clamping mechanism for driving the clamping block to swing is arranged between the clamping block and a clamping arm; a supporting plate fixing mechanism is arranged between a positioning hole of the supporting plate and the vehicle body; a waste cable recycling assembly is arranged on the left side of the vehicle body or / and the right of the vehicle body; and a hoisting assembly is arranged in the middle of the vehicle body. With the adoption of the intelligent type power cable emergency recovery vehicle, the physical labor of workers can be greatly alleviated.

The invention relates to the technical field of aluminum profile cutting equipment, and particularly discloses a new energy automobile battery pack aluminum profile cutting special device which comprises a cutting table, a sliding way is formed in the top of the cutting table, a cutting machine body is arranged in the sliding way, and a cutting blade is rotationally connected into an inner cavity in the front face of the cutting machine body. The cutting machine body is arranged in the middle between the two pressing plates, a fixing plate is fixed to the right side of the top of the cutting table, and a fixing top plate is fixed to the top of the fixing plate. According to the aluminum profile cutting device, an adjusting plate can be effectively made to get away from or get close to the cutting machine body by screwing a threaded rod, then the effect of adjusting the cutting length of an aluminum profile can be achieved, the device can cut aluminum profiles with different lengths, the applicability of the device is greatly improved, and when the length of the aluminum profile is adjusted, the cutting efficiency is improved. And the length of the aluminum profile can be visually determined by observing the scale plate, so that the length measurement of the aluminum profile is facilitated.

The invention relates to a medical measuring device and a lung volume reduction system. The medical measuring device comprises a measuring tube assembly and a guide wire capable of movably penetrating through the measuring tube assembly, the measuring tube assembly comprises a measuring tube and a sleeve nested outside the measuring tube, a measuring scale section is arranged on the outer surface of the measuring tube, and when the guide wire moves, the sleeve is driven to slide on the measuring tube. The medical measuring device has the advantages that the length of the bronchial tube can be measured more conveniently and more precisely, the length of the bronchial tube can be measured without arranging a plurality of metal developing marks at the far end of the guide wire, the risk that the metal developing marks fall into organs is avoided, and the operability and the safety of the medical measuring device are improved.

The invention discloses a length measuring device with supporting rods, belongs to the technical field of length measurement, aims to provide a length measuring device with supporting rods, and solvesthe problem that an existing measuring tool cannot perform accurate length measurement in a narrow space. The length measuring device comprises a shell, a locking screw is arranged on the shell, anda locked supporting rod and a movable supporting rod are connected to the shell. The movable supporting rod comprises a first measuring handle and a first measuring head. The locked supporting rod comprises a second measuring handle and a second measuring head. The first measuring head can rotate along the axis of the first measuring handle, and the second measuring head can rotate along the axisof the second measuring handle. A spring winding drum is installed in the shell, a rope is arranged on the spring winding drum, a measuring wheel and a guide wheel are installed in the shell, the ropeis wound around the measuring wheel, penetrates into the locked supporting rod through the guide wheel and then is fixed to the first measuring head of the movable supporting rod, and a reading mechanism is further installed in the shell. The scheme is applicable to the length measuring device.