84 results about "Straightedge" patented technology

The present application relates to the technical field of steel metallurgy, and particularly relates to a steel ingot circle center positioning device and method, which comprises a machine body serving as a carrier of the whole device, a base for driving the copper ingot to rotate is arranged on the machine body, a marking mechanism for positioning the circle center position of the steel ingot is arranged on the machine body, and a transmission mechanism for automatic positioning is further arranged on the machine body, the marking mechanism comprises two sliding columns fixed on the two sides of the machine body, a ruler is fixed between the two sliding columns, a transmission groove is formed in the ruler, a connecting rod is slidably connected to the transmission groove, and a pen head for marking the circle center position is fixed to the end of the connecting rod. The marking mechanism is arranged, two straight lines are drawn, the circle center position is determined through the intersection point, the accuracy of measurement is improved, the circle center position of steel ingots with different sizes can be quickly and accurately determined, and more measurement data can be obtained through the contact and movement of multiple steel ingots, so that the accuracy of the circle center position is improved.

The present application relates to the technical field of building engineering leveling, aiming at solving the problems of low flatness precision in the prior art using the way of leveling with a straightedge and the problem of uneven surface of the leveling layer in the way of leveling with a roller, providing a one-time structure floor concrete leveling device and leveling method, the leveling device comprises a leveling frame body, the leveling frame body is connected with a plurality of support columns, the support height of each support column can be adjusted, a pipe level is installed on the leveling frame body; a pedestrian passageway is arranged on both sides of the leveling frame body, a guide rail is arranged on the leveling frame body, a push rod is arranged on the guide rail, the push rod can move back and forth along the guide rail; a leveling scraper is connected to the push rod, the lower end elevation of the leveling scraper is consistent with the design elevation of the floor leveling layer top surface; the present application can realize fast, efficient and accurate leveling construction of one-time structure floor, is convenient to operate, has high precision, greatly improves the construction efficiency and reduces the construction cost.

1. Name of the product in this design: Flat Plaster Scraper. 2. Purpose of this product design: A leveling tool for laying floor tiles without damaging them. It can also be used as a straightedge. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A receptacle for seating at least a portion of a spirit level, straight edge tool or other hand tool is disclosed. The present disclosure also relates to a receptacle in which at least a portion of a spirit level, straight edge tool or other hand tool is seated and to a method for temporarily seating a spirit level, straight edge tool or other hand tool by placing at least a portion of the spirit level, straight edge tool or other hand tool into the receptacle. The receptacle can be prepared by injection molding or 3-D printing.

2.1 Technical problems of the invention = technical task and objective The traditional method involves laying pipes in the gravel and adjusting them until they are at the correct height relative to the top edge of the lawn, perfectly straight, or at the desired slope. This is not easy for amateurs and requires considerable skill. 2.2 Solution of the problem or technical task. To make the correct alignment of the pipes absolutely easy, even for laypersons, so that everyone can do it, so-called skewers (Splitmaster, Fig. 3) are clipped onto the pipes to solve the problem. The spikes are then pressed into the ground and aligned with a spirit level until they are perfectly straight or at a slope and at the correct height to the top edge of the lawn. The spikes clipped onto the pipe, which are firmly anchored in the ground, prevent the pipe from slipping. The second pipe is then aligned parallel to the first pipe at a certain distance using a spirit level. Now the split can be leveled off using a straightedge or a board. 2.3 Application example. Application examples include the construction of a terrace, a path, or a square. The invention makes it possible for anyone to pave a terrace, path or square exactly level or with a slope on one or two sides.

The utility model discloses a fillet weld measuring device for a narrow space, and relates to the technical field of measuring devices, the fillet weld measuring device comprises a detection ruler, an auxiliary detection tool and a locking device, the auxiliary detection tool is provided with a clamping groove and an abutting pointer, the detection ruler is movably clamped in the clamping groove, and the abutting pointer is clamped in the clamping groove. The locking device is connected with the auxiliary detection tool and locks and fixes the detection ruler in the clamping groove, and during measurement, the end of the abutting pointer abuts against the edge of the fillet weld; the size of the measuring device is smaller than that of an existing welding scale, the measuring device can extend into a narrow space to measure the fillet weld, operation is simple and convenient, the detection accuracy of measurement is improved, and the problem that the fillet weld with the narrow internal space cannot be measured through the welding scale, and the measuring efficiency is high is effectively solved. The technical problems that displacement is prone to occurring when only a steel ruler is used for measurement, the steel ruler cannot be effectively attached to a welding seam, and measurement data are inaccurate are easily caused are solved.

The invention provides a verticality measuring device and method, and the device comprises a guiding rule main body; the protective shell is arranged on one side of the guiding rule main body and can freely rotate by 360 degrees; an outer disc and a fixed inner disc are coaxially arranged in the protective shell, gravity orientation of the outer disc is achieved through a balance weight, and perpendicularity deviation scales are marked on the disc face of the outer disc; the fixed inner disc is provided with a pointer red line vertical to the guiding rule main body; the supporting leg is connected with the guiding rule main body through a hinge shaft and used for crossing surface obstacles of an object to be measured; the reading module is used for displaying the corresponding relation between the red line of the pointer and the scales of the outer disc; rapid and accurate measurement of verticality of a primary structure shear wall, a steel structure column and a secondary structure wall body is realized; the device is simple in structure and convenient to carry, and can be operated by a single person.

1. The name of the design product: multifunctional tool card (1). 2. The use of the design product: for mobile phone card needle, bottle opener, can opener, multi-size hexagonal wrench, cross screwdriver, straight screwdriver, drill diameter measurement, ruler / wavy ruler, compass, protractor, multi-size spoke wrench, bit wrench, pry wrench, butterfly wrench, line cutter, nail file, rope fixing function, tire tread measurement, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the technical field of constructional engineering measurement, and discloses a multifunctional measuring tool for construction engineering, which comprises a main measuring scale, the right side of the main measuring scale is provided with a splicing assembly, the splicing assembly is used for adjusting the unfolded and vertical states, and the main measuring scale is internally provided with a levelness measuring assembly. According to the multifunctional measuring tool for the construction engineering, the splicing assembly is installed, the combination sleeve and the combination shaft are arranged to assist the main measuring ruler and the auxiliary measuring ruler in unfolding horizontally, the supporting spring is arranged inside to push the adjusting block to expand outwards, and the adjusting block is movably arranged on the inner side of the main measuring ruler; when the ruler extends outwards, the inserting rod is pushed to extend outwards to be inserted into the inner side of the inserting groove, the measuring rulers are inserted to keep the state that the measuring rulers are perpendicular to the straight ruler, or the inserting rod is inserted into the inner side of the positioning groove, the main measuring ruler and the auxiliary measuring ruler are kept in the 90-degree state in a limiting mode, and different requirements can be met through flexible adjustment.

The invention discloses a track detector data stability measurement auxiliary device and a use method thereof, and relates to the technical field of track gauge verification. The rail detector data stability measurement auxiliary device comprises a leveling ruler, an auxiliary block and a combined image gradienter. The leveling ruler is used for being put on a fixed measuring block and a movable measuring block of the gauging rule calibrator. The upper surface and the lower surface of the leveling ruler are parallel to each other. The auxiliary block has a positioning surface and a measuring surface. The positioning surface and the measuring surface form an included angle alpha. The positioning face is used for being attached to the upper surface of the leveling ruler. The combined image gradienter is used for being placed on a measuring surface. The combined image level meter is provided with a micro-motion knob which is close to the end where the fixed measuring block of the gauging rule calibrator is located. Compared with the prior art, the technical scheme provided by the invention can simplify the operation steps and improve the verification efficiency.

The invention discloses a construction process of a refined decoration coating project. The method comprises the steps that S1, tools are prepared, specifically, an ink fountain, a tape measure, a laser gradienter, a construction line, a rubber scraper blade, a steel sheet scraper blade, an iron trowel, a putty supporting plate, an internal and external corner polisher, a plane polisher, a special stirrer, an aluminum alloy guiding rule and a horse-shaped stool are prepared. Systematic base layer treatment and interface reinforcement are conducted, specifically, the problems of hollowing and cracking caused by stress concentration at the junctions of different materials are solved through the laser level meter precise paying-off, concrete wall surface glue rolling and glass fiber net hanging technologies, the base layer bonding strength is enhanced, and the overall stability of the wall surface is improved; and high-precision flatness control is conducted, specifically, a screeding and erecting method is combined with a plastering gypsum layered batch scraping technology, secondary leveling is conducted in cooperation with caulking gypsum, the perpendicularity and flatness error of the wall face is controlled within plus or minus 1 mm, the flatness error of a ceiling is smaller than or equal to 10 mm, and the acceptance standard of high-grade fine decoration is met.

The utility model discloses a furnace roller coupling precision and catcher coaxiality detection device, which comprises a main ruler, and a first measuring claw, a second measuring claw and a third measuring claw which are sequentially arranged on the main ruler at intervals along the length direction, the main ruler is a straight ruler, and a first distance is arranged between the first measuring claw and the third measuring claw; the device comprises a fourth measuring claw, the fourth measuring claw is installed on the third measuring claw, and a third distance is arranged between one side, away from the main ruler, of the fourth measuring claw and the main ruler. Through the device, the precision of the corresponding furnace roller coupler and the coaxiality of the catcher can be rapidly detected, rapid troubleshooting can be carried out, the measurement time is greatly shortened, the defect of long time consumption in the original detection is eliminated, the working efficiency is greatly improved, and the labor intensity is reduced.

A multi-purpose measuring tool is provided. The tool includes a compact housing having two parallel lateral sidewalls, one of which includes a clip for attachment to a belt or bag. A tape measure extends from the front side of the housing and is retractably stored therein. The distal end of the tape measure is fitted with a two-pronged hook that allows for precise circular measurements. An opening in the hook allows a writing utensil to mark a workpiece. The tool further incorporates a square angle bracket on the housing for alignment during cutting operations, while the edge of the tape measure can be used as a straight ruler. Additionally, the base of the tool includes a puncturing member designed for tasks such as opening insulation or cardboard boxes.

The utility model provides a PVF filter element machining tool which is characterized in that a cylinder is vertically arranged on a bottom plate, a first cutting notch is formed in one side of the cylinder, a blanking groove is formed in the position, below the first notch, of the bottom plate, and one end of the blanking groove penetrates through one side of the bottom plate; the two arc clamping plates are vertically arranged on the bottom plate and arranged on the two sides of the cylinder, and a second cutting notch is formed in the position, located above the discharging groove, between the two arc clamping plates. Compared with the prior art, the hollow round pipe of the PVF filter element is arranged on the cylinder in a sleeving manner, half of the hollow round pipe is located on the inner sides of the two arc clamping plates, the first cutting notch and the second cutting notch which are formed in the same direction are formed in the cylinder and the two arc clamping plates respectively, and the PVF filter element can be cut through limitation of the first cutting notch and the second cutting notch; according to the C-shaped tubular notch cutting tool, the size of each cut C-shaped tubular notch can be effectively ensured to be consistent, the notch cutting is fast and convenient by manually holding the tool by hand, scales on a ruler do not need to be aligned, and the machining efficiency is effectively improved.

The utility model discloses a multifunctional protractor, which relates to the technical field of protractors, and comprises a semicircular frame, a sliding rod and a ruler plate integrally injection-molded with the semicircular frame, a sliding groove is arranged on the front side of the ruler plate, a sliding positioning block is arranged in the sliding groove, the sliding positioning block is in sliding connection with the inner wall of the sliding groove, and the sliding rod is arranged in the sliding groove. A locking nut is connected to the threaded protrusion of the sliding positioning block in a threaded mode, and a circle drawing through hole is formed in the front face of the sliding positioning block. According to the circle drawing ruler, the sliding positioning block is designed in the sliding groove, the locking nut is connected to the sliding positioning block in a screwed mode, the position, located in the sliding groove, of the sliding positioning block can be limited, and the radius of a circle can be accurately determined when the circle drawing operation is conducted through the cooperation of the positioning mark groove and the third scale marks; furthermore, the phenomenon that the drawn straight line has flaws due to obstruction during straight line drawing operation is avoided, and the practicability is improved.

This utility model discloses a laser cutting table blade structure with positioning steps, relating to the field of laser cutting equipment technology. It includes: a support base and a blade assembly connected to the support base. The support base includes interconnected horizontal beams and vertical beams, which form a support space around each other. The blade assembly includes a straightedge blade and a cutting blade. Positioning steps are machined at both ends of the straightedge blade to position the placed plate material, ensuring the quality of laser cutting. Compared to traditional independently installed split straightedges, this structure significantly improves impact resistance, is simple and reliable, and avoids straightedge deformation affecting positioning accuracy. Furthermore, it eliminates the need for repeated disassembly and assembly, effectively guaranteeing the positioning accuracy of the plate material.

The application discloses a precise measuring scale for a bent pipe, belongs to the technical field of YBC coordinate design measurement and numerical control bending forming of a pipe, and solves the problems of long trial and error period, complex process, complex structure of an existing YBC scale, and high cost in the prior art. In the scale, a guide circular arc plate and a sliding circular arc plate are concentrically arranged, first and second connecting scale plates are arranged along the radial direction of the guide circular arc plate, a second straight scale is fixedly connected with the guide circular arc plate through the first connecting scale plate, and a third straight scale is fixedly connected with the sliding circular arc plate through the second connecting scale plate. The first straight scale is rotationally connected with the second straight scale, the first straight scale is arranged along the axial direction of a first straight pipe section, and the second straight scale is arranged along the axial direction of a second straight pipe section. The third straight scale is rotationally connected with a fourth straight scale, the third straight scale is arranged along the axial direction of the second straight pipe section, and the fourth straight scale is arranged along the axial direction of a third straight pipe section. The application can be used for YBC parameter measurement of a bent pipe.

The application discloses a hull measurement auxiliary tool, which comprises a main ruler, a sub-ruler connected to one end of the main ruler, and reflective sheets arranged at both ends of the connection between the main ruler and the sub-ruler. A first sliding groove is formed in the upper end of the main ruler, a sliding assembly is arranged on the main ruler, an adjusting assembly is arranged on the sliding assembly, and a limiting assembly is mounted on the adjusting assembly. The main ruler is used to draw auxiliary lines on a hull, and the main ruler and the sub-ruler can be used as general rulers to measure straightness or excess amount. Meanwhile, the main ruler and the sub-ruler can also be used as extension rulers for blocked structure points. An angle protractor hole is used to measure the included angle between lines. The sliding assembly can be used to conveniently draw and measure line segments along the main ruler, thereby improving the measurement efficiency. The adjusting assembly can be used to replace the sliding plate. The sliding plate can be conveniently replaced after being worn out after long-time use, thereby improving the measurement accuracy.

The utility model belongs to the technical field of building construction, and particularly relates to a steel bar hook straight section length checking ruler which comprises a ruler body, and scales are arranged on the ruler body. The ruler body comprises a straight ruler and an arc-shaped disc, and one end of the straight ruler is connected with the arc-shaped disc to form the ruler body; a sliding groove is formed in the arc-shaped disc and is of an inverted-U-shaped structure. A guide column is slidably connected into the sliding groove. A circular chuck is arranged above the arc-shaped disc, and the top of the guide column is connected to the center of the circular chuck; the bottom of the guide column is connected with a stop block which is located below the arc-shaped disc. The scale indication positioner comprises an n-shaped clamping plate, the clamping plate is provided with a clamping cavity, and the clamping plate is clamped to the top of the ruler and can slide in the length direction of the ruler; the surface of the clamping plate is in threaded connection with a jackscrew; and the bottom of the clamping plate is connected with a pointer for pointing to the scales. The device is convenient and fast to use, more accurate in measurement and capable of better judging whether the steel bar hook meets the requirements of construction specifications or not.

The utility model relates to the technical field of flatness detection devices, in particular to a building wall flatness detection device which comprises a base, a clamping structure is arranged on the base, the clamping structure comprises an installation frame fixedly connected to the base, a sliding plate is slidably connected to the installation frame, a rotating shaft is rotatably connected to the top of the sliding plate, and the rotating shaft is fixedly connected to the base. A fixed frame is fixedly connected to the rotating shaft, a guiding rule is detachably connected to the interior of the fixed frame, a hydraulic rod is installed on the fixed frame, the telescopic end of the hydraulic rod is fixedly connected with a fixed plate, the fixed plate is in sliding connection with the fixed frame, and the fixed plate abuts against the guiding rule; the guiding rule is fixed in the fixing frame through the fixing plate, so that when the flatness is detected, an operator does not need to take the guiding rule all the time, and the detection flexibility is improved.

The invention discloses a multifunctional woodworking push saw table which comprises a working table, a table saw fixed in the middle of the working table, an adjustable positioning unit, a ruler backer part and an extension part. The adjustable positioning unit is arranged at one end of the workbench, provided with a positioning assembly capable of sliding in the width direction and an angle adjusting mechanism which is arranged on the positioning assembly and can be rotationally locked, and used for achieving accurate positioning of workpiece angle sawing. The ruler backer part is arranged at the other end of the workbench and can be movably adjusted and detached in the length direction, and a parallel reference is provided for linear sawing. The extending part is connected with the side edge of the workbench in an overturning mode and can be unfolded and fixed through the detachable supporting rod, so that the extending face and the workbench are coplanar to support a long workpiece. The device integrates the flexible positioning function of angle and linear cutting, has the working table board expansion capacity, is compact in structure and convenient and fast to adjust, and effectively improves the machining adaptability, the operation safety and the saw cutting precision.

The utility model discloses a measuring scale for engineering supervision, and relates to constructional engineering. The ruler comprises a first ruler body, a second ruler body, a connecting assembly and a fixing assembly, the surface of the first ruler body is in threaded connection with the connecting assembly, the right side of the connecting assembly is movably connected with the second ruler body, and an inner cavity of the second ruler body is fixedly connected with the fixing assembly. The connecting assembly comprises a connecting frame connected to the surface of the first ruler in a threaded mode, and inserting grooves are formed in the right side of the connecting frame and the right side of the first ruler. The first ruler and the second ruler are vertically or parallelly connected through the connecting assembly and the fixing assembly, verticality detection and length detection of a wall surface can be realized, the device adopts a folding design and is convenient to carry, and meanwhile, the first ruler and the second ruler are connected together and then are located on the same horizontal plane, so that the device is convenient to carry. And the scale marks are in a continuous state, so that the reading work can be smoothly carried out.

The utility model relates to the technical field of pavement flatness detection, and discloses a pavement flatness detection structure which comprises a measuring ruler and a moving assembly, the measuring ruler is horizontally arranged and is installed on the moving assembly, and the moving assembly can drive the measuring ruler to move on a pavement; the lifting assembly is installed on the moving assembly, the lifting assembly is connected with the measuring ruler, and the lifting assembly can drive the measuring ruler to ascend and descend; the measuring ruler is rotatably connected to the lifting assembly through the rotating assembly so as to adjust the angle of the measuring ruler. By combining the design of the moving assembly, the lifting assembly and the rotating assembly, the problem that a traditional straight rod is inconvenient to carry is solved, and the detection flexibility, accuracy and applicability are improved.

The invention relates to the technical field of highway pavement detection and three-dimensional imaging, and discloses a highway pavement rut depth three-dimensional image reconstruction measurement method and system. According to the method, a structured light measurement combination is formed by a vehicle-mounted line laser projector and a high-speed industrial camera; a multi-scale gradient weighted gray centroid method is adopted to realize sub-pixel-level extraction of a laser center line, a pavement three-dimensional point cloud is reconstructed based on a triangulation principle in combination with a geometric error compensation model, adaptive curved surface fitting is performed through a curvature constrained moving least square method, and then an adaptive virtual ruler envelope detection method is adopted to calculate the rut depth. And fluctuation indexes are fed back to a front-end processing link through measurement quality closed-loop evaluation so as to dynamically optimize parameters, the rut depth measurement precision is superior to 1 mm, the repeatability error is smaller than 0.5 mm, and online detection of the vehicle speed of 60 km / h is supported.

The invention belongs to the technical field of railway engineering, and discloses a steel rail welding sharp point measuring method and measuring device.The steel rail welding sharp point measuring device is adopted, the working side of a leveling ruler is attached to the top face and the working face of a steel rail, the midpoint of the working side of the leveling ruler is made to coincide with the midline of a welding seam, and the reading of a dial indicator at a specified measuring point is observed; the position of the steel rail is adjusted, and it is guaranteed that the top face straightness and the working face straightness of the steel rail meet the requirements; the dial indicator can visually and accurately observe the straightness deviation of each measuring point of the steel rail, so that the rapidity and automation of steel rail welding sharp point measurement are improved, and the measurement time is shortened; meanwhile, interference of manual operation on a measurement result can be reduced, the measurement precision is improved, and it is guaranteed that the steel rail is accurately centered within the error range of a two-dimensional coordinate system, so that the steel rail welding quality is improved, the construction cost is reduced, and the requirements of railway construction and maintenance for high-quality steel rail welding are met.