253 results about "Laser rangefinder" patented technology

This utility model relates to the field of metal processing technology, and particularly to a feeding device for stainless steel bar processing. It includes a conveyor belt module and a second pushing module arranged parallel to each other. A first pushing module is positioned between the conveyor belt module and the second pushing module, facing towards the second pushing module. A transition ramp is provided between the first and second pushing modules, and a lifting door is installed in the transition ramp. Contact sensors and laser rangefinders are positioned opposite each other at the front and rear ends of the conveyor belt module. The conveyor belt module includes a horizontal conveyor belt and baffles vertically arranged on both sides of the horizontal conveyor belt. The baffle near the second pushing module has a notch-connected transition ramp, and the baffle also has a notch-connected feeding ramp. This utility model has a reasonable structure, and the feeding, conveying, measuring, and screening processes are connected quickly and smoothly. Bars that pass the measurement are conveyed to the next stage, while bars that fail the measurement are conveyed to a collection bin.

This utility model discloses a transmission shaft outer diameter measuring instrument, relating to the field of outer diameter measurement technology. It includes a housing, control panel, mounting plates, long rods, and electronic components. Multiple sets of mounting plates and long rods are vertically distributed and fixed to form a frame, which is divided into a left frame and a right frame. In this utility model, the control panel controls the electronic components to start a servo motor, causing a lead screw to rotate inside a lead block. This causes the lead block to move a laser rangefinder sensor along the length of a smooth rod. The control panel, through the electronic components, controls the laser rangefinder sensor to emit continuously modulated laser light. The distance is calculated by measuring the phase difference between the emitted and reflected light. The distance between the laser rangefinder sensor and the transmission shaft remains constant, and the rotating shaft maintains its rotation. Measurements are performed, and the measurement data is processed by the electronic components and displayed on the control panel's display screen in the form of a line graph, thereby achieving non-contact quantitative detection of the transmission shaft.

This invention discloses a device for measuring the roll diameter of an uncoiler head based on a laser rangefinder, belonging to the field of roll diameter measurement technology. The device includes an uncoiler, a lifting machine, an uncoil assembly, an automatic cleaning and detection assembly, and a roll diameter measurement and control system. The detection assembly integrates a laser rangefinder sensor and a blowpipe. The roll diameter measurement and control system includes a data acquisition module, a data analysis and processing module, and an execution control module. The data acquisition module completes multi-source data acquisition and analog-to-digital conversion. The data analysis and processing module performs data filtering, roll diameter calculation, and sensor contamination determination. The execution control module triggers automatic blowpipe cleaning, adjusts the tension and speed of the uncoiler in conjunction with the uncoiler, and coordinates the lifting machine's movement. The blowpipe can perform graded cleaning according to the contamination level. This device eliminates dust interference with detection, ensures stable roll diameter measurement data, and achieves automatic cleaning of the laser rangefinder sensor, constant tension closed-loop control of the uncoiler, and coordinated operation of the equipment.

The utility model relates to liquid hydrogen liquid oxygen spacer heat conductivity coefficient appearance, including base, side plate and top plate, be provided with the base on the base, be provided with a plurality of heat insulating plates fixedly on the base, the heat insulating plate is fixed with the heat conduction plate, the top of base is provided with the lifting plate, the top plate's upper end is fixed with the cylinder, the cylinder has the expansion joint, and the expansion joint is fixedly connected with the upper surface of lifting plate, the lower surface of lifting plate is fixed with a plurality of heating plates, and one side of heating plate away from heat conduction plate and one side of heat conduction plate away from heating plate all are provided with temperature sensor, and the side of base is fixed with the reference plate, and the upper end surface of reference plate and the upper end surface of heat conduction plate are located same horizontal plane, and the side of lifting plate is fixed with the mounting plate, and the mounting plate is fixed with laser range finder, and laser range finder has laser emission end, and laser emission end is towards reference plate, and laser emission end and the lower surface of heating plate are located same horizontal plane, the utility model discloses that the accuracy of detection result has been improved, and saves time and labour, and the efficiency is high.

This invention relates to the field of laser measurement technology, and more particularly to a laser measurement device for waterproof membrane. It includes a worktable, an electric push rod mounted on the worktable, a first motor mounted on the telescopic part of the electric push rod via a support plate, an electric slide connected to the output shaft of the first motor via a lead screw, a movable frame threaded onto the lead screw, a first laser rangefinder mounted on the electric slide, a first laser receiver mounted on the movable frame, a sliding block slidably connected to the movable frame, a connecting frame slidably connected to the sliding block, and a rotating wheel rotatably connected to the connecting frame. This invention measures the length of the waterproof membrane using the first laser receiver and the first laser rangefinder. During the cutting process of the waterproof membrane, the height of various points on the sample is monitored in real time by utilizing the height change of the rotating wheel, reducing the probability of dimensional errors in sample cutting due to wrinkles in the waterproof membrane, thereby ensuring the accuracy of subsequent sample testing.

This invention discloses a laser measurement device and its usage method, relating to the field of laser measurement technology. It includes a laser rangefinder body, a laser emitter, a moving structure, a positioning structure, and a rotating structure. The moving structure drives the laser emitter to move horizontally; the positioning structure fixes the moving structure and the laser emitter; and the rotating structure adjusts the angle of rotation of the laser emitter. This invention, by rotating the mounting tube and mounting block, causes the inner walls of the mounting grooves at both ends to press and push against the connecting column, driving the moving block and the laser emitter to move in opposite directions along both sides of the mounting frame. This adjusts the longitudinal distance between the two laser emitters, creating a longitudinal gap and a known time delay to distinguish different reflected signals. Furthermore, the two laser beams follow identical optical paths and are subject to environmental disturbances, eliminating measurement errors caused by atmospheric refractive index changes, vibrations, temperature drift, etc., thus improving measurement accuracy.

This utility model discloses a laser target thickness measuring instrument, including a main unit. An industrial control computer is located on one side of the main unit, and a target positioning and adjustment bracket and a target blank are located on the top side of the main unit. A gantry-type movable bracket is longitudinally movable on the top of the main unit, and a measuring device is driven by the gantry-type movable bracket. The measuring device includes a laser displacement rangefinder, a laser rangefinder transmitter, a laser rangefinder receiver, and a laser beam emitting device. The advantages of this utility model compared to existing technologies are: this device can measure the overall target thickness using laser. By setting a range through software, areas exceeding the set value are marked with laser marking, which clearly identifies the location of target distortion and deformation, saving manpower, improving work efficiency, and reducing scrap rate.

The present application relates to a kind of slab crystallizer cast slab sticking detection method, belong to metallurgical continuous casting method technical field.The technical scheme of the present application is: install laser range finder and obtain the height variation of crystallizer mould powder slag face, obtain the characteristic spectrum of the height variation of slag face with time by fast discrete fourier transform, compare it with the frequency of crystallizer vibration, directly judge whether the cast slab sticking in crystallizer occurs.The beneficial effects of the present application are: without crystallizer modification, its installation, maintenance is convenient, using direct detection means to judge the occurrence of cast slab sticking, its prediction result is accurate and reliable, cast slab sticking phenomenon can be detected immediately after occurrence, reduce the risk of missing steel caused by late alarm, can reliably, accurately, quickly carry out crystallizer sticking and missing steel prediction.

The application relates to the technical field of measuring devices, in particular to a well masonry measuring and detecting device. The device comprises a positioning assembly, an extension device is slidably inserted into the positioning assembly, the extension device comprises a vertical rod, a first gear rack and a limiting frame, the first gear rack is fixedly installed on the two sides of the vertical rod, the limiting frame is fixedly installed on the two sides of the vertical rod in a symmetrical mode, and the limiting frame is located at the side end of the first gear rack; the positioning assembly comprises a lower edge component and a supporting device, the lower edge component is fixedly installed at the bottom end of the supporting device, the lower edge component comprises a transmission device and a detecting device, the detecting device is rotatably installed on the outer ring of the transmission device, the detecting device comprises a positioning ring, a conical gear ring and a laser range finder, the conical gear ring is fixedly installed at the top end of the positioning ring, and the laser range finder is fixedly installed at the two sides of the positioning ring. Through the arrangement of the extension device and the positioning assembly, the purposes of alignment detection and interval marking of the detecting well detecting device during use are achieved.

The application discloses a UAV road ice and snow detection, melting and evaluation method based on an optimization algorithm, relates to the technical field of unmanned aerial vehicles, and provides a UAV equipment phase laser range finder and a camera, which are used for detecting road snow thickness and road conditions, calculating snow thickness, identifying road condition parameters through image processing, then adopting an A* algorithm for path planning, taking the starting point, the end point and the current position of the UAV group as base points, using a heuristic function and a cost function to evaluate the priority of nodes, determining the best path, and generating a three-dimensional model of road surface information, based on the three-dimensional model, evaluating the number and degree of road surface cracks and deformation, determining the urgency and method of repair, and finally, the UAV group cooperatively works to execute a flight task and spray a thawing agent, so that the safe operation of the road surface in the ice and snow environment is ensured.

The utility model discloses an adjustable air conditioner support horizontal calibration device belongs to the technical field of leveling, and it is including: base, its top coaxial arrangement has the support, inverted triangle adjusting spare, the horizontal hinged axle is hinged with the support top in its middle part, the horizontal hinged axle and support axis vertical intersection, inverted triangle adjusting spare has horizontal top surface and two symmetrical inclined guide inclined plane. The utility model discloses through the inverted triangle adjusting spare, air cylinder and the top rod of setting, effectively avoid the uneven ground, cause the base not to be in the horizontal state, thereby causing two laser range finders and the distance of ground to be different, thereby causing the leveling misalignment, effectively improve the leveling accuracy of air conditioner frame.

This invention relates to an ultrasound scanning robot collision time testing device, its method of use, and equipment. The device includes: a support frame with a support rod for supporting the ultrasound scanning robot collision time testing device; a tension sensor for measuring the tension of a first rope, one end of which is fixed to the top of the support frame, and the other end connected to one end of the first rope; a stop block connected to the other end of the first rope and fixed to the end of the robotic arm; and a laser rangefinder fixed to the top of the support rod for measuring the displacement of the stop block. The ultrasound scanning robot collision time testing device provided by this invention fixes the end of the robotic arm at the patient end of the ultrasound scanning robot to a stop block, and uses a tension sensor and rope to measure the tension when the stop block moves toward the laser rangefinder. When the tension threshold is reached, the stop block moves in the opposite direction, and the laser rangefinder measures the moving distance and response time, ensuring the normal use of the ultrasound scanning robot while guaranteeing that the response time is within a safe range.

This invention discloses a load transmission testing device for composite beams, comprising a base, an L-shaped back plate, a hydraulic cylinder, a mounting plate, a pressure sensor, a loading component, a clamping and fixing mechanism, and a displacement mechanism. The clamping and fixing mechanism uses a dual-axis motor-driven screw to automatically clamp the composite beam; the displacement mechanism uses a servo motor-driven slider to achieve horizontal movement of the composite beam, allowing for rapid switching of the loading position without hoisting; the hydraulic cylinder pushes the loading component downwards, the pressure sensor monitors the load value in real time, and multiple laser rangefinders synchronously measure the vertical deformation of the beam at various positions in a non-contact manner, avoiding damage to traditional contact displacement gauges when the beam fails; the clamp adopts a plug-in structure, combined with an electromagnetic adsorption and pin-locking mechanism, facilitating quick assembly and disassembly, and is adaptable to composite beams with different cross-sectional shapes. This invention has advantages such as automatic clamping, hoist-free relocation, non-contact measurement, and quick clamp changing, enabling efficient, safe, and accurate completion of multi-condition load transmission testing.

The present application belongs to the field of mechanical processing, and particularly relates to a hole distance measuring device capable of locking and an assembling method. The device comprises a pendulum distance measuring assembly, a rotating rod and a locking and assembling assembly. The pendulum distance measuring assembly and the locking and assembling assembly are rotationally connected through the rotating rod. Compared with the prior art, the device adopts a self-correcting horizontal structure, and realizes rapid and accurate measurement of the hole distance in the height direction and the horizontal direction through locking of an electromagnetic push rod and a laser range finder.

The utility model discloses a milling machine for milling the end face of wind power blade, including center disc, be provided with carousel in the center disc rotation, along the diameter direction of carousel fixed link has rotary arm, be equipped with milling assembly and laser range finder on rotary arm, be provided with a plurality of main support leg on the center disc, and one end of main support leg is equipped with first support plate and is fixedly connected with bolt sleeve in the other end, and bolt sleeve rotation connects on first screw rod, and first screw rod is connected with first drive portion, the opposite sides of main support leg still are equipped with first sliding rail, and first sliding rail sets up along the length direction of main support leg, and the outside wall on the center disc is equipped with the bushing corresponding with main support leg, and the slider that cooperates with sliding rail is equipped in the bushing, when first drive portion drives the telescopic movement of main support leg, first sliding rail slides in the slider. The telescopic structure of this milling machine main support leg is not easy to deform, and the telescopic stroke is controlled accurately, thereby can stably support on the inner surface of wind power blade.

The utility model discloses a kind of tire rubber torsion bar shock-absorbing models, it is related to tire rubber torsion bar shock-absorbing model technical field, including box, the box one side upper portion is provided with display screen mounting groove, the display screen mounting groove downside is provided with demonstration bin, the demonstration bin inner bottom side is provided with support frame, the support frame is connected with rubber torsion bar, the rubber torsion bar is provided with tire, the display screen mounting groove bottom side surface center is provided with laser range finder.The utility model is provided with laser range finder, display screen mounting groove and tire, when tire moves up and down under the vibration effect, laser range finder can accurately tire to the distance between laser range finder, and then make the change range of tire accurately detected.

The application discloses a kind of tool butt joint method and system, including end setting with laser range finder, positioning tool interface is provided with measured piece;When reaching the position to be corrected, the laser measurement height value is read by laser range finder;The correlation analysis of the installation offset of laser range finder and the projection point on measured piece is carried out, and the coordinate relationship equation is established;Offset is calculated according to coordinate relationship equation, whether offset meets the requirement is judged, if it meets the requirement, then butt joint is completed, if it does not meet the requirement, then translation adjustment is carried out.The application is tested in laboratory, can control robot end absolute positioning accuracy to be below ±0.25mm, satisfies the requirement that robot completes butt joint operation;Uniform processing standard and gauge standard batch processing measured target are used, and quick replacement can be realized;3-point correction algorithm is used, installation error is weakened, and calculation error caused by installation error is further reduced.

This invention relates to the field of laser measuring instrument application technology, specifically to a road surface smoothness monitoring device and method. The road surface smoothness monitoring device is mounted on a vehicle body and includes a housing and a first drive mechanism. A base is inserted into the housing. The base has a strip-shaped structure and is rotatable around a first horizontal axis passing through the center of the base, which is vertically positioned. Multiple laser rangefinders are mounted on the base, spaced apart along the extension direction of the base, and each is configured to measure the distance to the road surface. The first drive mechanism is configured to provide driving force for the base to rotate around the first horizontal axis until the distance difference measured by two of the laser rangefinders is within a preset range. This allows the laser beam emitted by the laser rangefinders to be adjusted to be approximately perpendicular to the road surface before monitoring, thereby ensuring the accuracy of the monitoring results.

This invention discloses an intelligent turning machine tool for machining tie-end threads, belonging to the field of intelligent machining technology. It includes a machine tool body, an ejector pin, a triangular chuck, a slide, a servo transmission assembly, and a tool holder assembly. A vibration detection mechanism and a vibration suppression mechanism are installed on the slide. The vibration detection mechanism includes a ring frame concentrically arranged around the tie-end and multiple laser rangefinders evenly distributed along its length. The vibration suppression mechanism includes a ring plate concentrically arranged around the tie-end, multiple circumferentially evenly arranged active support units, and an axial follower mechanism connecting the ring plate to the slide. Each active support unit includes a servo electric cylinder and a suppression pressure roller. This invention, through a vibration detection and suppression mechanism that moves synchronously with the tool head, achieves real-time monitoring and active force field intervention of circumferential omnidirectional vibration during tie-end thread turning. Furthermore, the axial follower mechanism eliminates helical friction, significantly improving the machining accuracy and surface quality of thread turning on slender shaft parts.

The application relates to the technical field of engine machining, and discloses an engine piston machining device with a self-positioning function, which comprises a base plate, a plurality of clamping pieces slidably arranged on the base plate, and a driving assembly for driving the clamping pieces to synchronously act. The clamping piece is composed of an outer frame and a slidable clamping end, and an expansion piece for fine adjustment is arranged between the two, which can finely compensate the clamping position. Laser range finders with mutually perpendicular measuring directions are arranged on the outer side of the base plate, which can monitor the position deviation of the clamped piston in real time. The device realizes stable clamping of the piston by combining synchronous clamping and fine adjustment, and realizes real-time monitoring and self-positioning correction of the position in cooperation with vertical double-direction laser ranging, significantly improves the clamping precision and machining consistency of the piston, has compact structure and high automation degree, and is suitable for high-precision machining of engine pistons.

This utility model relates to the field of tunnel surrounding rock deformation monitoring technology, and more particularly to a tunnel surrounding rock deformation monitoring device based on a water-flooded environment. The utility model includes multiple anchor rods evenly distributed and installed on the inner side of the tunnel surrounding rock. One end of each anchor rod penetrates the tunnel surrounding rock and is fixed to an anchor rod tray. A U-shaped equipment shell is fitted onto the side of each anchor rod tray away from the anchor rod. A monitoring mechanism is fitted onto the inner side of each U-shaped equipment shell. The monitoring mechanism is used to monitor the deformation of the tunnel surrounding rock and includes a motor, a main body, a laser rangefinder, and a laser emitter. Through the structural design of the monitoring mechanism and the quick-connect mechanism, this utility model enables the device to monitor tunnel surrounding rock deformation while also allowing for rapid installation between the U-shaped equipment shell and the extension rod. This facilitates faster operation during initial monitoring and allows for convenient disassembly and assembly later, improving the flexibility of the device and making it more user-friendly.

This invention provides a permanent magnet direct-drive energy-saving cement ball mill and its direct-drive system, relating to the field of ball mill drive technology. The invention incorporates a heat dissipation air gap adjustment component at the connection point between each stator unit and the assembly housing. This component dissipates heat from the stator unit while simultaneously adjusting the air gap and reducing vibration. During installation, a reflective laser rangefinder is fixed to the rotor, and a corresponding reflective target is fixed to each stator unit. This installation causes the rotor to rotate along with the mill cylinder. The reflective laser rangefinder rotates with the rotor and sequentially scans the reflective targets on each stator unit, thereby acquiring the air gap distance data between the rotor and each stator unit. The heat dissipation air gap adjustment component adjusts the air gap in real time based on this distance data, ensuring that the rotor and stator remain coaxial at all times.

This invention discloses a laser-based capacitor metallized thin film thickness measurement device, belonging to the field of thin film thickness detection technology. It aims to solve the problems of existing contact-based detection methods that easily damage the film, ultrasonic detection accuracy that is easily affected by environmental and material interference, and existing devices' inability to achieve closed-loop linkage between detection and attitude control, insufficient anomaly tracing capabilities, and easy drift of the detection benchmark. This device includes a main body, a support arm, a detection stage, a detection mechanism, a guiding assembly, and a measurement and control processing unit. The detection mechanism is equipped with two coaxially opposed laser rangefinders and a thin film flatness auxiliary detection unit. The measurement and control processing unit incorporates signal acquisition, signal preprocessing, thickness calculation and attitude correction linkage, anomaly identification and location, and self-calibration modules, enabling synchronous closed-loop execution of thin film thickness detection and conveying attitude control. This invention can effectively reduce measurement errors caused by thin film deformation, achieve high-precision continuous detection, and accurately identify and trace anomaly types.

The utility model discloses a false twist yarn oil agent even spraying equipment relates to the related field of spraying, including spraying machine body, detection mechanism and adjusting mechanism, the detection mechanism is fixedly connected in the inside top left end front and back both sides of spraying machine body, the inside top left end fixed connection of spraying machine body has adjusting mechanism, and adjusting mechanism is located at the right side of detection mechanism, sets up detection mechanism, and the distance between two groups of laser range finder is detected to the between two groups of sensing head of silk line, and the diameter of silk line is judged indirectly, thereby according to the diameter adjustment oil agent spraying amount, improves the spraying effect, sets up adjusting mechanism, and the silk line is pressed down through the downward movement of rotating roller, and the inclination of silk line is adjusted, and the running path of silk line in the equipment is controlled, reduces the deviation or distortion of silk line in the conveying process, improves the uniformity of spraying.

This invention discloses a trolley structure and control method for an extra-thick plate trolley-type heating furnace, comprising a trolley body. The trolley structure is characterized by: a composite sealing system comprising sand-sealing blades located on both sides of the trolley and a sealing block located at the rear end of the trolley; a traveling mechanism located below the trolley body; and support legs located at the bottom of the furnace chamber for contacting and supporting the trolley after it enters the furnace. The trolley structure also includes a detection system comprising a laser rangefinder sensor mounted on the furnace end wall and an encoder mounted on the drive motor shaft. The control system is electrically connected to the laser rangefinder sensor, encoder, traveling mechanism, and support legs. This invention's extra-thick plate trolley-type heating furnace trolley structure and control method exhibits a high degree of automation, good sealing performance, strong practicality, and promising application prospects.

The present application relates to the technical field of optical axis calibration, and particularly relates to a laser range finder collimation system using a CCD matrix, which comprises a hollow corner reflector, an off-axis parabolic metal reflector, a rotating reflector, a first diagonal beam-splitting reflector, a second diagonal beam-splitting reflector, a laser radiation imaging instrument, a CCD matrix, a computer and an LED emitter. The present application solves the problem of high-precision alignment of the laser emission channel and the laser receiving channel of the laser range finder, and can be applied to the optical axis calibration of most photoelectric devices and lasers, quickly aligns the channels in different spectral ranges, and can use continuous and pulsed lasers for operation. The present application can solve the problem of spatial position coordination of focusing on a single component and the channel axis, and can realize optical axis calibration through the configuration of the hollow corner reflector and the rotating reflector, and can realize optical axis offset visualization and quantification through the cooperation of the laser radiation imaging instrument and the CCD matrix, thereby simplifying the collimation process and improving the precision of the device collimation axis.

A dual-rotor grinding and polishing tool and robot grinding and polishing system suitable for robots include a tool head connecting flange, a servo motor, a synchronous pulley, a telescopic cylinder, a linear guide, a dovetail slide, a revolution axis, a hollow rotation axis, a hollow rotation axis connecting seat, a rotation bearing seat, a laser rangefinder, and a hollow grinding and polishing disc. The core improvement of the tool head lies in the hollow design of the rotation axis and polishing disc, with a laser rangefinder installed above the central hole. This rangefinder measures the distance to the surface of the optical element being processed in real time via the hollow rotation axis. This distance signal is fed back to the robot control system to form a closed loop, dynamically compensating for the robot's own positioning and motion errors, thereby ensuring stable contact pressure between the grinding and polishing disc and the workpiece surface. This invention effectively overcomes the processing errors caused by relying solely on the robot's positioning accuracy, improving the grinding and polishing quality of optical elements with large diameters and high surface accuracy requirements.

The application provides a multi-mode laser ranging and speed measuring device and method for a super-high-speed maglev system, which comprises a laser range finder, a laser reflection plate, a vehicle-mounted grating light source, a plurality of ground laser receiving modules and a data signal processor; the laser range finder is arranged on the ground and is used for emitting laser to the laser reflection plate and acquiring the absolute position of a vehicle according to the reflected laser; the laser reflection plate is arranged on the vehicle and is used for receiving laser and reflecting the laser back to the laser range finder; the vehicle-mounted grating light source is arranged on the motor rotor of the vehicle and is used for emitting laser to form a grating, and the grating is irradiated into the corresponding ground laser receiving module; the plurality of ground laser receiving modules are arranged on one side of the ground track along the direction of the vehicle movement at equal intervals and are used for receiving the grating and generating the relative position information of the vehicle according to the grating; and the data signal processor is used for obtaining the actual position and speed of the vehicle according to the absolute position and the relative position information of the vehicle.

This utility model relates to a high-precision PVC hose cutting device, including a support plate and a cutting machine. The cutting machine is mounted on the side wall of the support plate and is electrically connected to an external power source. The support plate includes a main support plate, a secondary support plate, through holes, connecting rods, placement slots, and a laser rangefinder. Both the main and secondary support plates have through holes on their side walls, and the two ends of the connecting rod are inserted into the two through holes respectively. Both the main and secondary support plates have placement slots on their upper walls, where PVC hoses can be placed. The laser rangefinder is mounted on the side wall of the main support plate, and its output end corresponds to the cutting machine. This utility model allows for flexible adjustment of the spacing between the main and secondary support plates via through holes and connecting rods, facilitating the adjustment of the cutting machine's position. It is suitable for cutting PVC hoses of different lengths. Furthermore, the laser rangefinder can detect the distance from the end of the PVC hose to the cutting machine in real time, avoiding positional deviations caused by manual operation, improving cutting accuracy, and meeting the requirements of high-precision processing.

The utility model discloses a kind of hand-held laser range finder for testing, including range finder body, range finder body one end is equipped with installation groove, the inside of installation groove is equipped with moving block, the upper surface of moving block is equipped with control key, the lower surface of moving block is fixedly connected with support block, the lower end of support block is fixedly connected with telescopic link, one end of telescopic link is fixedly connected with mounting seat, the inside of mounting seat is equipped with ball seat, the inside of ball seat is rotatably connected with hemispheroid, hemispheroid is fixedly connected with the lower surface of range finder body, the other end of range finder body is equipped with laser beam. It solves the problem that the conventional hand-held laser measuring instrument is inconvenient to measure the horizontal distance of the target object at a high place, avoids the need for the staff to climb to a position close to the height of the target object for measurement, reduces the trouble of the staff, while shortens the measurement time and improves the efficiency of measuring the target object. Secondly, it also reduces the probability of safety hazards occurring when the staff measures.