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

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 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.

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 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 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 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.

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.