16results about How to "Avoid manual measurement errors" patented technology

The invention discloses a BIM (Building Information Modeling)-based building drainage pipeline arrangement system and method. The method comprises the following steps: acquiring field data through laser scanning or an unmanned aerial vehicle, importing a BIM model to carry out drainage system design, arranging pipeline components and carrying out conflict detection; a design drawing and a material list are automatically generated by simulating and evaluating the operation state and the overload risk of the system, and are linked with the market price; the pipeline state is monitored in real time through a sensor, and the BIM model is updated; according to the BIM-based building drainage pipeline arrangement system and method, laser scanning, unmanned aerial vehicle surveying and mapping and other means are introduced before modeling, the accuracy of initial data is ensured, local design specifications and construction standards are embedded into a BIM tool in advance, and later adjustment is avoided.

This invention relates to the field of track slab measurement, and discloses a portable track slab flatness measuring device and method. The device includes a track base, a track web at the upper end of the track base, and a track head at the upper end of the track web. Two sets of splicing clamping assemblies are provided on both sides of the upper end of the track head. One set of splicing clamping assemblies has a connecting plate at its upper end, and a laser detector at its upper end. The other set of splicing clamping assemblies has a connecting plate at its upper end, and a laser emitter at its upper end. Both sets of splicing clamping assemblies have electric wheels at their bottoms. The track base, track web, and track head are integrally formed. In this invention, the splicing clamping assemblies adopt a symmetrical clamping structure, eliminating the need to push them in from the end face of the track slab. They can be directly clamped and fixed at any position on the track head, solving the problem of limited installation position in existing devices. This facilitates accurate detection of local defects in the track slab and significantly improves detection flexibility.

The invention relates to the technical field of vehicle equipment testing, in particular to a testing method of vehicle-mounted display equipment and related equipment. The test method is applied to the test equipment, and comprises the following steps: under the condition that the test equipment is fixed at a first position in an in-vehicle space, constructing a three-dimensional model of the in-vehicle space according to the first position; according to the three-dimensional model, determining a second position of vehicle-mounted display equipment for displaying the target icon in the in-vehicle space; sending a synchronous test signal to the vehicle-mounted display equipment, and enabling the vehicle-mounted display equipment to display the target icon; according to the first position, the second position and the synchronous test signal, the mechanical arm is controlled to carry a video acquisition assembly to move, and a first video of the target icon in the vehicle-mounted display equipment is acquired; determining a test result of the target icon according to the first video and the attribute information of the target icon; according to the invention, the technical problem that the test result is inaccurate due to manual errors in the existing test scheme for the vehicle-mounted display equipment can be solved.

The invention relates to the technical field of high-elasticity wear-resistant cotton elastic fabric, in particular to elasticity detection equipment for high-elasticity wear-resistant cotton elastic fabric and a detection method thereof.The elasticity detection equipment comprises a fabric conveying seat, an elasticity detection mechanism is arranged in the middle of the top of the fabric conveying seat, and the fabric conveying seat comprises a bottom plate; according to the high-elasticity wear-resistant cotton elastic fabric elasticity detection device, by arranging the fabric conveying base and the elasticity detection mechanism, dynamic detection of the elasticity of the high-elasticity wear-resistant cotton elastic fabric is achieved. A double-roller linkage structure is adopted, a tension gradient is formed through synchronous reverse movement of a pull-down roller and a pushing roller, and a high-precision optical scanning technology of a scanning inclined plate is matched, so that stress-strain curves of cloth in different deformation stages can be obtained in real time. In the detection process, a built-in control system of the equipment can automatically adjust the rotating speed of the motor according to preset parameters, and the stability and repeatability of the tension applying process are ensured. Compared with a traditional detection method, the equipment improves the detection efficiency.

The embodiment of the present invention provides a wireless charging test device and method, which relates to the field of wireless charging testing. The wireless charging automatic test device includes a base, a test platform, a transmission component, a receiving end fixture and a control module; the test platform is arranged on the base, for placing a wireless charger; the receiving end fixture is installed on the transmission component, for clamping a wireless charging receiver; the transmission component is installed on the base, for driving the receiving end fixture to move to a set position; the control module is used to detect the input power and standby power of the wireless charging transmitter, and the input power of the wireless charging receiver, and is used to determine whether the wireless charger is normal. The wireless charging test device and method can automatically test a single or multiple transmitting ends of a wireless charger, avoid manual measurement errors, and reduce the workload of test personnel; and can ensure the detection quality and high reliability of the detection results.

This utility model discloses a food emulsification stability testing device, including a base and a shell. A rotating support is located at the bottom of the shell's inner cavity, and a rotor that can rotate along the rotating support is located above the rotating support. The rotor is connected to a drive unit via a rotating shaft. An inclined centrifuge chamber is located on the upper surface of the rotor, and a light-transmitting test tube is inserted into the centrifuge chamber. A first mounting groove and a second mounting groove are respectively formed along the length of the centrifuge chamber on opposite sides of the inner sidewall. A light source component is located in the first mounting groove, and a light sensor is located in the second mounting groove. This utility model installs a pressure-resistant glass window on the sidewall of the centrifuge chamber, and, in conjunction with a background light source and a light sensor, automatically identifies the oil-water interface and sedimentation volume. It can calculate and output a stratification rate curve, providing real-time dynamic monitoring, effectively improving work efficiency and avoiding errors from manual measurement.

This disclosure relates to a detection device for the inner wall of a pipeline, comprising a rotating assembly and a moving assembly. The rotating assembly is convexly connected to the moving assembly to drive the moving assembly to rotate. The moving assembly includes a first driving member and a moving member, which is convexly connected to the first driving member and capable of reciprocating movement. A laser rangefinder sensor is mounted on the moving member, and the laser rangefinder sensor is equipped with a converter for uploading sensor data to a mobile device. Through the above technical solution, the detection device for the inner wall of a pipeline provided by this disclosure helps to improve the measurement efficiency and accuracy of the pipeline inner wall, provides more comprehensive measurements, and reduces safety hazards.

The utility model discloses a wire harness cutting device for automobile wire harness production, and particularly relates to the technical field of automobile wire harness production, the wire harness cutting device comprises a bottom plate, a first fixing frame and a second fixing frame are fixedly arranged at the top of the bottom plate, the first fixing frame is arranged on one side of the second fixing frame, and a U-shaped fixing frame is arranged between the first fixing frame and the second fixing frame. A positioning mechanism is arranged in the bottom plate and comprises an electric telescopic rod fixedly arranged at the top of the first fixing frame, an upper positioning plate is fixedly arranged at the output end of the electric telescopic rod, and sliding blocks are fixedly arranged on the two sides of the upper positioning plate. The wire harness cutting device can quickly and firmly fix the wire harness, prevent the wire harness from shifting during cutting, accurately adjust the cutting length of the wire harness, effectively reduce errors, guarantee the movement stability and accuracy of all parts, improve the cutting efficiency and quality of the wire harness through the overall structure, reduce manual intervention and facilitate operation and maintenance.

This utility model discloses an energy storage tube circumferential cutting device, belonging to the field of energy storage tube processing technology. Its key technical features include a main body for the energy storage tube circumferential cutting equipment, with a tube length-limiting pushing assembly on one side of the main body for limiting the tube length. The tube length-limiting pushing assembly includes an auxiliary support on one side of the main body, with a drive motor installed inside the auxiliary support. This utility model achieves precise control of the tube conveying distance by setting up a tube length-limiting pushing assembly composed of a lead screw, drive motor, and linkage plate, combined with an initial slot-type photoelectric switch and an adjustable limit slot-type photoelectric switch. This electrically controlled closed-loop control method avoids the errors of traditional manual measurement and positioning, significantly improves the dimensional accuracy and automation level of the circumferential cutting process, and reduces reliance on manual labor.

The application discloses a film cutting method, a film cutting device and a film cutting system. The film cutting method comprises the following steps: a target sensor is configured to collect shape boundary data of a film-to-be-pasted device; corresponding preset template data is matched from a preset template database according to the shape boundary data; if there is target template data matched with the shape boundary data in the preset template database, the target template data is used for making film pasting of the film-to-be-pasted device. The film cutting method can improve the accuracy of film cutting.

The utility model relates to the technical field of linear guide rail processing, in particular to an automatic feeding and cutting device for a linear guide rail, which comprises a servo feeding mechanism, a saw blade, a material storage frame and a material pushing mechanism, the servo feeding mechanism is mounted at the upper end of a support frame body, the material storage frame is arranged on one side of the support frame body, and the material pushing mechanism is mounted on the material storage frame; the servo feeding mechanism comprises a servo motor, a servo motor mounting plate, a ball screw, a ball nut and a sliding rail, the sliding rail is fixedly connected to the supporting frame body, and the servo motor is fixedly connected to one side of the supporting frame body through the servo motor mounting plate. The automatic feeding and cutting device is composed of the servo feeding mechanism, the material storage frame, the material pushing mechanism and the like, automatic cutting and feeding of the linear guide rail are achieved, manual operation is not needed any more, and therefore the cutting efficiency is improved, manual participation is reduced in the automatic cutting process, the labor intensity of workers is relieved, and the production cost is reduced. And the production process is easier and safer.

The invention discloses a film cutting method, film cutting equipment and a film cutting system. The film cutting method comprises the steps that a target sensor is configured to collect shape boundary data of equipment to be subjected to film pasting; according to the shape boundary data, matching corresponding preset template data from a preset template database; and if the target template data matched with the shape boundary data exists in the preset template database, using the target template data for manufacturing a film of the equipment to be subjected to film pasting. By adopting the film cutting method provided by the embodiment of the invention, the film cutting accuracy can be improved.

The present invention discloses an intelligent control system and method for the horizontal rotation angular velocity of a bridge based on a pull-rope displacement meter, comprising: a lower turntable; an upper turntable with a ball joint, a traction rope wound on the upper turntable; the pull-rope displacement meter is fixed on the lower turntable through a fixed bracket, the free end of the pull rope is fixed on the upper turntable, and the positions of the pull-rope displacement meter and the pull rope are on the same horizontal line; a pull-rope displacement meter monitoring module, which is connected to the pull-rope displacement meter and is used to collect the rotation displacement L of the upper turntable measured by the pull-rope displacement meter and convert it into a rotation angle, a rotation angular velocity, and a rotation angular acceleration; a tensioning jack, which is installed on the upper turntable and is used to tension the traction rope wound on the upper turntable, thereby driving the rotating bridge to rotate; a tensioning jack control system, which is connected to the tensioning jack; and a central control integrated system, which is connected to the pull-rope displacement meter monitoring module and the tensioning jack control system. The present invention can timely, accurately and efficiently transmit bridge rotation data.

The invention discloses an indirect measuring instrument for the meshing depth of guide shoes of elevator floor doors in use, which comprises: a shell and a measuring component, wherein a microprocessor, a buzzer, a battery, a motor, a screw, a screw sleeve, a gear, an upper and lower telescopic rod, and a displacement sensor are arranged inside the shell, and the measuring component consists of a Z-shaped connecting piece, a measuring head and a film pressure sensor; a first gear and a second gear are meshed and transmitted with each other, the microprocessor is connected with the motor, the first gear is coaxially connected with the motor, the second gear is coaxially connected with the upper and lower telescopic rods through a screw and a screw sleeve, the upper and lower telescopic rods are connected with the Z-shaped connecting piece, one end of the Z-shaped connecting piece passes through a shell window and is connected with the upper and lower telescopic rods, and the other end is provided with a measuring head and a film pressure sensor, the displacement sensor is arranged in the shell and is connected with the Z-shaped connecting piece through the displacement sensor telescopic rod; the measuring instrument has a simple structure, is convenient to operate, has high numerical value accuracy, avoids errors in manual measurement, and effectively ensures the safety of elevator use.

The application discloses a sponge compressor and belongs to the technical field of compression. The sponge compressor comprises a workbench, a fixing frame fixedly connected to the rear of the upper end face of the workbench, and a compression assembly arranged above the workbench. The compression assembly comprises clamping plates arranged on the two sides of the upper face of the workbench, a limiting plate arranged below the fixing frame, support blocks fixedly connected to the lower end face of the limiting plate, and a heating strip arranged in front of the limiting plate. The double-threaded rod is rotated to drive the moving strip and the clamping plates to synchronously approach, so that the sponge block is clamped to a specified width, manual measurement error is avoided, and positioning accuracy before compression is ensured. The first hydraulic cylinder and the fifth hydraulic cylinder drive the extrusion plates to be extruded from above and from the rear respectively, and cooperate with the clamping plates and the limiting plate to realize multidirectional shaping of the length, height and width of the sponge block, so that the shape of the compressed sponge block is uniform and regular, the sponge block is convenient to stack and transport, and the sponge block can be compressed into a sponge block with a specified size according to requirements.

The application discloses a tunnel drilling angle measuring system and method based on a UAV, relates to the technical field of tunnels and underground engineering, and comprises a UAV measuring device, a handheld control device and a self-charging storage box. The UAV measuring device comprises a UAV body, a laser measuring unit is connected to the bottom of the UAV body through a stabilizer unit, visual sensors are arranged at the front end and the bottom end of the laser measuring unit, the visual sensors are used for identifying a tunnel face axis to establish an origin of a relative coordinate system and identifying a drilling rig drill rod position, a plurality of laser emitters are integrated at the bottom, the laser emitters are used for positioning the drilling rig drill rod and measuring the vertical distance between each laser emitter and the drill rod, an angle calculation processing unit is arranged in the UAV body, and the angle calculation processing unit is used for calculating a vertical deflection angle according to the ratio of the vertical distance difference and the horizontal distance of any two laser emitters. The application can realize real-time acquisition and feedback of drilling angle data through non-contact automatic measurement and can assist an operator in quickly adjusting the posture of the drill rod.