607results about "Angles/taper measurements" patented technology

The invention discloses a test device for detecting the pressure-bearing performance of a fire hose, and relates to the technical field of fire hose pressure-bearing detection.The test device comprises a main frame, the outer wall of one side of the main frame is fixedly connected with a side frame, and the top of the main frame is provided with a butt joint pipe used for fixedly and hermetically connecting a hose body; a fixing plate is arranged on the top of the main frame, and the butt joint pipe is fixedly connected with the fixing plate. According to the device, when a worker bends the water hose body to a certain angle and then stops bending, through the self-locking performance between a screw rod and a threaded sleeve, it can be guaranteed that the two fixing plates do not displace in the subsequent water hose body stamping process, and then it is guaranteed that the water hose body is always located at the set bending angle for pressure bearing detection; and the problems of unstable detection conditions and data deviation caused by the bending angle change due to the displacement of the fixed plate are avoided.

The utility model discloses a portable anchor rod drilling machine angle gauge, and belongs to the technical field of anchor rod and anchor cable construction in underground roadway supporting. The portable roofbolter angle gauge comprises a connecting block body, a flexible lock belt, a buckle, a vertical ruler, a plumb line and an angle graduated scale, two ends of the connecting block body are respectively connected with a flexible lock belt, and one end of the flexible lock belt is provided with a buckle; the lower part of the connecting block body is vertically connected with the vertical ruler, the plumb line is fixed below the connecting block body, and the connecting block body fixes the angle gauge on the jumbolter through the flexible locking belts and the buckles on the two sides; the angle graduated scale is vertically connected with the vertical ruler. The device is simple in structure, low in cost, small in size and convenient to carry; the anchor rod angle positioning device can be conveniently and tightly attached to an anchor rod drilling machine, accurate positioning of the angle of an anchor rod is rapidly achieved, the construction precision of the angle of an anchor rod cable is greatly improved on the premise that construction is not affected, and powerful guarantee is provided for exerting the efficiency of a supporting structure.

The invention belongs to the technical field of swivel bridge detection, and particularly relates to a swivel bridge horizontal alignment detection device which comprises a mounting seat fixed to the upper end of an abutment, a controller is fixedly connected to the side wall of the mounting seat, and two guide boxes are symmetrically and fixedly connected to the upper side wall of the mounting seat. After the swivel bridge construction is completed, mechanical contact detection is arranged on the abutment, compared with a detection assembly arranged between two swivel bridges which are spaced by four meters, a fixed and accurate mounting reference can be provided for the detection device by means of a stable structural foundation of the abutment, and a detection structure does not need to be arranged between the bridges which are spaced by four meters; the problems of inconvenient operation, large assembly fixing difficulty and the like caused by cross-interval installation are avoided, the bending deformation of the detection rod due to the gravity of the detection rod can be effectively avoided, and the detection precision is guaranteed from the installation reference and the detection structure.

The invention discloses a universal limited-angle motor working angle measuring device which comprises a base, a sliding table and a mounting table are arranged on the base, a positioning key and a positioning block are arranged on the mounting table, a flat plate is horizontally connected to the sliding table, an annular angle scale is mounted on the flat plate, and after a motor is positioned on the mounting table through the positioning key, the motor is positioned on the mounting table through the positioning key. A motor shaft of the motor is coaxial with the through hole and the annular angle scale; the part of the motor shaft extending out of the annular angle scale is provided with a pointer. The measuring device can ensure that the measuring datum is uniform, the testing efficiency is improved, and meanwhile the problem that an existing clinometer is difficult to deploy is solved. By arranging the movable positioning key and the positioning block, the motor to be measured and the annular angle scale can be coaxially assembled, so that the accuracy of a measured value is improved. Furthermore, the movable positioning key and the positioning block are matched with the lifting of the sliding table, so that the device can be suitable for the assembly and measurement of various motor specifications, and the applicability of the measurement device is improved.

The invention belongs to the field of mechanical precision detection, and relates to a ram five-shaft head spigot and direct drive motor spigot assembly coaxiality detection method. According to the technical scheme, the method comprises the following steps that (1) a ram is fixed to a ram fixing tool, a direct drive motor is installed in the ram, and a direct drive motor spigot in the ram is used for positioning; 2) fixedly connecting the detection rod with a motor shaft of the direct drive motor by using a coupler; 3) installing a wheel meter tool on the motor shaft, and detecting the coaxiality of the swing head installation hole and the motor shaft and the run-out precision of the swing head installation end face through the wheel meter tool; (4) a magnetic gauge stand is attracted to a five-axis head spigot of the ram, a dial indicator is installed on the magnetic gauge stand, and a measuring head of the dial indicator is made to be perpendicular to the outer circle surface of the detection rod; and 5) slowly rotating the detection rod, and detecting the coaxiality of a plurality of positions of the detection rod through the dial indicator. According to the invention, the coaxiality of the spigot can be rapidly and accurately detected in the equipment assembling process, the detection efficiency and precision are improved, and the dependence on the technical level of detection personnel is reduced.

The utility model discloses an angle detection device for a chord angle of a turbine blade of an aero-engine, and belongs to the technical field of manufacturing of turbine blades of aero-engines. The device comprises a base, and the base is provided with a blade mounting part used for mounting the turbine blade of the aero-engine; the angle detection assembly comprises a vertical supporting plate and a rotation detection piece, the rotation detection piece comprises a stopping plate and an angle positioning pin, one end of the stopping plate is provided with a stopping straight edge, and the stopping straight edge is used for stopping the blade front edge and the blade rear edge of the aero-engine turbine blade; and the angle mark is provided with angle scales, and when the stop plate rotates, the angle positioning needle can point to the angle scales. According to the method, the blade chord angles of the blade front edge and the blade rear edge of the detection section of the aero-engine turbine blade can be detected, detection of the detection section of the aero-engine turbine blade is achieved, and evaluation of the quality of the aero-engine turbine blade is facilitated.

The utility model provides a rotation angle measuring device for an adjustable stator blade of a gas compressor. The rotation angle measuring device comprises a dial and an indicating structure, wherein the dial is fixedly arranged on the compressor casing; the indicating structure is connected with the adjustable stator blade, and the indicating structure can rotate along with the adjustable stator blade, so that the indicating structure has an indicating effect of indicating the rotating angle of the adjustable stator blade relative to the position change of the dial. The rotation angle measuring device can conveniently realize the measurement of the rotation angle of the adjustable stator blade.

In the embodiments herein, an instrument for level and plumb determinations, includes: a sealed chamber of equal dimensions made from transparent or translucent material marked with center lines and filled with a colored fluid, so when placed on any surface. Relative to the orientation of the surface to the face of the earth, the instrument reveals if a surface is: plumb within an upright position; level within a horizontal position; or at an angle, which can be marked and transferred. Reference lines are placed exactly parallel and centered to the sides and ends.

The utility model discloses an adjustable measuring angle square, which relates to the technical field of measuring tools and comprises a fixed ruler and a rotary ruler rotationally mounted at one end of the fixed ruler. When the rotating ruler is rotated, a certain included angle area is formed between the rotating ruler and the fixed ruler, and the included angle area is a measuring area. The surface of the measuring area defined by the rotary ruler and the fixed ruler is a flat and straight surface; a dial is arranged around the rotating shaft of the rotating ruler on the fixed ruler; the rotating ruler is provided with scale indication marks corresponding to the dial. After the structure is adopted, when the ruler is stored, the rotary ruler is rotated to be flush with the fixed ruler, so that a linear structure is formed, and the ruler is convenient to store; during measurement, the included angle between the rotary ruler and the fixed ruler can be accurately read through the matching of the dial and the scale indication marks according to a required angle, and the measurement of a specific angle is realized.

The utility model relates to the technical field of aviation simulation, and provides a level gauge for an aircraft simulator. The transverse rolling mechanism comprises a first driving piece, a first gear transmission assembly, a first encoder and a transverse rolling dial, and the first encoder and the first driving piece are fixedly connected with the shell; the pitching mechanism comprises a pitching support, a second driving piece, a second gear transmission assembly, a second encoder and a pitching dial, the rolling dial, the second driving piece and the second encoder are fixedly connected with the pitching support, and the pitching dial is rotationally connected with the pitching support; the first driving part is connected with the pitching support and an input shaft of the first encoder through a first gear transmission assembly, and the second driving part is connected with the pitching dial and an input shaft of the second encoder through a second gear transmission assembly. The horizon surface reduces the cost of the aircraft simulator and improves the accuracy and stability of attitude display of the simulator.

The utility model discloses a civil engineering main body structure detection device, and relates to the technical field of civil engineering. The device comprises a shell, a measuring assembly and a portable assembly, a sliding shell is arranged in an inner cavity of the shell, a detection plate is fixedly connected to the bottom of the left side of the shell, the measuring assembly comprises a laser range finder, and the right side of the laser range finder is fixedly connected with the sliding shell. According to the utility model, through the measuring assembly, various measuring tools can be integrated, the number of tools carried by a worker is reduced, the laser range finder is used for detecting the length of a wall body, and the height of a parapet wall and a part of bearing walls can be measured conveniently; the angle measuring plate can be matched with the measuring plate to detect angles of a building slope surface and a roof slope surface, the gradienter can measure levelness of planes such as a wall surface and the ground, and due to the fact that various measuring tools are integrated, workers can reduce the number of carried measuring tools.

The utility model relates to the technical field of measuring devices, and discloses a foldable measuring device for building design, which comprises a first ruler strip and a second ruler strip which are rotatably connected, the lower part of the front end of the first ruler strip and the upper part of the front end of the second ruler strip are both provided with scale marks, the upper part of the rear end of the first ruler strip is provided with a first groove, and a second groove is formed in the rear end of the second ruler strip. The lower portion of the front end of the second ruler strip is provided with a second groove which is the same as the first groove in size, the upper portion of the first ruler strip is provided with a sliding groove, the front end of the first ruler strip is detachably connected with a protractor, a sliding block of an inverted-T-shaped structure is arranged in the first groove in a sliding mode, and the front end of the sliding block penetrates through the sliding groove and then is connected to the protractor. The angle between the first ruler strip and the second ruler strip can be adjusted, and the protractor can be detachably installed on the first ruler strip to measure the upward angle through cooperation of the sliding block, the second lead screw and the second fastening knob. The device is simple in structure, convenient to use, easy to store and high in practicability.

The utility model belongs to the technical field of steel pipe straightness detection devices, and particularly relates to a seamless steel pipe straightness detection tool which comprises a base, a power button is arranged on the base, a supporting base is fixedly connected to the outer wall of the base, a pipe body is arranged on the supporting base, a sliding groove is formed in the base, a detection mechanism is arranged on the base, and the detection mechanism is connected with the power button. The detection mechanism comprises a motor, the motor is in driving connection with a lead screw, and the lead screw penetrates through the moving block and is in threaded connection with the moving block. According to the seamless steel pipe straightness testing fixture, the supporting rod is stably clamped through expansion of the rubber ring, compared with a traditional bolt fixing mode, the outer wall of the supporting rod is effectively protected against damage, the contact area between the supporting rod and the supporting rod is increased, and therefore the more stable and reliable fixing effect is provided. According to the design, the stability of the moving block in the measurement process is ensured, and the accuracy of straightness measurement is further improved.

The invention discloses a tool for measuring a threaded hole of a conductive slip ring, which belongs to the technical field of measuring equipment and comprises a circular bottom plate, a supporting assembly and a positioning assembly are arranged on the circular bottom plate, and the threaded hole of the conductive slip ring is measured through mutual matching of the supporting assembly and the positioning assembly. Fixing of the conductive slip ring and measurement of the angle of a threaded hole can be completed through simple pressing and adjusting actions, the measurement efficiency is remarkably improved, the supporting assembly can achieve automatic centering and stable clamping of the conductive slip ring, it is ensured that the axis of the conductive slip ring is consistent with the axis of a measurement tool, an accurate reference is provided for subsequent angle measurement, and the measurement precision is improved. The positioning assembly can adapt to threaded holes of different diameters, the axis of the positioning plate and the axis of the threaded hole coincide through automatic adjustment, the measurement accuracy and applicability are effectively improved, displacement in the measurement process can be prevented by arranging the limiting unit, clamping can be rapidly released by pushing the L-shaped push plate, workpiece loading and unloading are facilitated, and the measurement accuracy and applicability are improved. And the convenience of continuous operation is improved.

Disclosed in the present disclosure is a system for measuring a contact angle, belonging to the technical field of devices for measuring a contact angle. The system for measuring a contact angle includes: a fixed sleeve; a positioning assembly including a rotary sleeve, a reset member, and a slider, where the slider is provided with a protruding portion capable of extending into a gap on a surface of a cable; and a brake assembly including an abutting block, when the rotary sleeve is rotated to a preset angle, the abutting block can abut against the cable, which indicates to an operator that the cable reaches a sampling point. Accordingly, the rotary sleeve moves axially by a fixed length each time to make the preset angle the same, and fixed-point sampling is carried out on the cable.

The utility model relates to the technical field of optical measurement, and discloses a laser angle measuring tree height measuring instrument which comprises a scale base, a measuring mechanism is installed on the top of the scale base and used for detection and measurement, and a plurality of telescopic mechanisms are installed on the front side and the rear side of the bottom of the scale base at equal intervals. The telescopic mechanism is used for adjusting the height of the scale base; the measuring mechanism comprises a fixed short piece, the fixed short piece is installed on the top of the scale base, a supporting column is fixedly connected to the middle of the inner wall of the fixed short piece, and an arc-shaped support is fixedly connected to the top end of the supporting column. According to the utility model, the laser pen aims at the top of a tree, and the electronic protractor measures an angle alpha; the measuring mechanism is moved to the left inserting groove, the angle beta is measured after leveling, the distance L between two points of the scale of the base is read, the tree height is calculated through a formula, the instrument is made of a laser pen and an electronic protractor which are common objects, the cost is smaller than 100 yuan, operation is easy and convenient, and the instrument is worthy of popularization.

We propose a spray gun that can maintain the angular position between the spray head and the body, including during gun maintenance. [Solution] The present invention relates to a coating product spray gun (10) having a body (12), a spray head (14), and a spray nozzle (16). The gun (10) has a ring (18) connecting the spray head (14) and the body (12), and an angle-holding element for the angular position between the ring (18) and the spray head (14). The gun (10) has a fixing element (22) that is movable between a fixed position that fixes the angular position of the ring (18) relative to the body (12) and a released position that allows the ring (18) to rotate angularly relative to the body (12). The present invention also relates to related rings, assemblies, and methods.

The invention provides a fine adjustment device for the meshing depth of a transmission gear, which belongs to the technical field of attack angle sensors and comprises a flange bracket, a mounting bracket, a rotary transformer assembly, a damper assembly and a weather vane rotating shaft assembly, the rotary transformer assembly, the damper assembly and the weather vane rotating shaft assembly are fixed in the circular mounting groove through an eccentric mounting flange and are meshed with one another, and mounting bracket scale marks are arranged on the eccentric mounting flange and the circular mounting groove. According to the device, a linear relation is established between the meshing depth and the scale marks, and the gear meshing depth debugging process of all parts of the attack angle sensor, which is adjusted according to artificial experience, is converted into an indication value which can be directly visually observed. The requirement for experience of operators is lowered, unmeasurable artificial experience is solidified into measurable indication data, the debugging efficiency is improved, and the number of times of wind tunnel test verification caused by repeated debugging is reduced.

The utility model relates to the technical field of detection rulers, in particular to a special detection ruler for a contact rail, which comprises a first vertical ruler, the surface of the first vertical ruler is fixedly connected with a support, the surface of the first vertical ruler is fixedly connected with a first transverse ruler, the top end of the first transverse ruler is sleeved with a first protective sleeve, and one end, far away from the support, of the first vertical ruler is sleeved with a second protective sleeve. An insulating plate is fixedly connected to the surface of the first transverse ruler, a first screw penetrates through the surface of the insulating plate, and a measuring head is arranged on the surface, penetrating through the insulating plate, of the first screw. The device comprises a component installation base, the component installation base comprises a first vertical ruler, a support and a first transverse ruler, an insulating plate and a measuring head are arranged on the first transverse ruler, the support is arranged at the joint of a vertical ruler body and a transverse ruler body to ensure that the first transverse ruler is perpendicular to the first vertical ruler, and a sliding reading assembly is arranged on the first vertical ruler and used for reading an inner ruler and measuring the value of the insulating plate. And a transverse distance logarithm device is arranged on the sliding reading assembly and comprises a measuring insulating plate and a measuring elevation angle display.

The application relates to a method for automatically generating a reference positioning system, RPS, alignment program for shape measurement of a workpiece, the method comprising the steps of: acquiring datum targets of the workpiece from CAD, computer aided design, model information of the workpiece; generating a coordinate system based on the datum targets; determining alignment of the workpiece; and generating, using the coordinate system, a collision free workpiece program and / or a collision free movement path for a measuring probe of a shape measurement system.

The utility model belongs to the technical field of detection rulers, and particularly discloses a pressure vessel corner angle detection ruler. Comprising a main ruler and an auxiliary ruler which are rotationally connected, indicating mechanisms and level bubbles are arranged on the main ruler and the auxiliary ruler, the indicating mechanisms are located at the free ends of the main ruler and the auxiliary ruler, and a detection mechanism is movably arranged on the front side of the main ruler. The main ruler and the auxiliary ruler are rotationally connected, so that the total length of the detection ruler is flexibly adjusted, the auxiliary ruler can rotate around the rotating shaft relative to the main ruler, integrated detection of multiple parameters such as length, straightness, curvature, height and width can be realized, and the detection efficiency is greatly improved. The problem that the existing corner angle detection technology is difficult to adapt to the actual requirements of portability, instantaneity, manual operation and direct reading of specific deviation values in the manufacturing, mounting and inspection field of the pressure vessel is solved.

This utility model provides a method for parallelism testing of eccentric contour parts, comprising: a bakelite handwheel passing through the center of a base; a platform on the top of the base; pin holders on the left and right sides of the top of the platform near the bakelite handwheel; a center pin passing through one side of the pin holder; a dial indicator column connected by bolts to the center of the top of the base away from the bakelite handwheel; a dial indicator on the side of the dial indicator column near the pin holder; a detection mandrel fitted on the left and right sides of the outside of the center pin of the pin holder; the eccentric contour part being held on the detection mandrel; the detection mandrel being fitted on the center pin; the bottom detection head of the dial indicator being pressed against the outer contour of the part to be tested; the pointer on the dial indicator being adjusted to 0; rotating the bakelite handwheel to drive the rack and pinion transmission mechanism to move the platform longitudinally, causing the bottom detection head of the dial indicator to move to the other side of the part; reading the value on the dial indicator; and comparing the value on the dial indicator with the tolerance value to determine whether the parallelism of the eccentric contour part meets the requirements.

The application relates to the technical field of angle measurement, in particular to an office chair inclination angle measuring device, which comprises an angle measuring mechanism, the angle measuring mechanism comprises a first connecting shaft, a first arc-shaped rod and a second arc-shaped rod rotationally connected with the first connecting shaft, and the first arc-shaped rod and the second arc-shaped rod are slidingly connected; the outer walls of the first arc-shaped rod and the second arc-shaped rod are provided with angle scale marks; the intersection point position of the first arc-shaped rod and the second arc-shaped rod can be changed through the rotation of the second arc-shaped rod, therefore the angle change of a seat backrest can be judged through the change of the intersection point position, the office chair inclination angle measuring device can be applied to traditional mechanical backrest endurance test equipment, is widely applicable and low in cost, only needs manual observation and record of the inclination angle change of the office chair at regular time, the inclination angle change of the office chair in the backrest test process can be analyzed, and the quality of the office chair is convenient to analyze.

The utility model relates to a testing fixture technical field especially is involved in an adjustable hole position degree testing fixture, including the rotating disc, the circumferential side of rotating disc is equipped with the ring groove, the circumferential side of rotating disc is equipped with the ring plate in the ring groove, the surface side wall of ring plate is fixed with the screw cylinder, the circumferential side of rotating disc is connected with the stroke cylinder through screw cylinder, the inside slide of stroke cylinder is provided with the ranging rod, the one end away from rotating disc of stroke cylinder is provided with the moving block, the positive below of moving block is provided with the locating needle pole, the middle position of rotating disc upper end surface is equipped with the assembly opening, the lower end of rotating disc is fixed with the assembly rod consistent with the assembly opening up and down position, the upper and lower end surface of rotating disc all are fixed with the angle ring, the utility model discloses through the cooperation of rotating disc, stroke cylinder, ranging rod and locating needle pole, can replace multiple single function testing fixture, realizes the efficient, convenient measurement to the position degree of part upper hole and hole diameter, hole depth etc.

The utility model discloses a drainage tube fixing device capable of measuring the lifting angle of a bedside, which belongs to the field of medical instruments and comprises a protractor and a ruler strip, the back of the protractor is fixedly connected with a bed board fixing component, the front of the protractor is provided with a sliding groove, and the protractor is movably connected with the ruler strip through a movable shaft. The bottom end of the ruler strip is fixedly connected with the protractor through a locking bolt, and the top end of the ruler strip is fixedly connected with a gradienter; according to the drainage tube fixing device capable of measuring the lifting angle of the bed head, by arranging the protractor, the sliding groove, the ruler strip, the movable shaft, the locking bolt, the gradienter, the movable sleeve, the fixator and the laser lamp, measurement of the lifting angle of the bed head and measurement of the hanging height of the drainage tube can be integrated in the hanging process of the drainage tube; medical staff can conveniently, quickly and accurately find the fixed height of the drainage tube and the lifting angle of the bed head, so that convenience is brought to the work of the medical staff.

The utility model provides a kerb line shape adjusting device. The kerb line shape adjusting device comprises a fixed section, an adjusting section, a vertical adjusting ruler and a horizontal compass, the fixed section is hinged to the adjusting section, the horizontal compass is arranged at one end of the fixed section close to the adjusting section, and the vertical adjusting ruler is arranged at one end of the fixed section away from the adjusting section; the fixed section comprises a fixed beam, a first fixed clamp and a second fixed clamp; the fixed beam is parallel to the top surface of the reference curb, the first fixing clamp and the second fixing clamp are arranged on the fixed beam, and the first fixing clamp and the second fixing clamp are used for fixing the reference curb; the adjusting section comprises a guide beam, a first adjusting clamp and a second adjusting clamp; the guide beam is parallel to the top face of the preset curb, the first adjusting clamp and the second adjusting clamp are arranged on the guide beam, and the first adjusting clamp and the second adjusting clamp are used for adjusting the position of the preset curb, so that the problem that deviation exists in linear adjustment of curb construction is solved.

The application provides a karst water flow direction analysis system based on weathered fracture properties, comprising a single well weathered fracture identification module, a fracture property analysis module, and a dynamic and static data verification module for paleo-water flow direction; the single well weathered fracture identification module is to identify the developed fractures by identifying the core and core slice of the coring well, and mainly aims at the weathered fractures in the non-tectonic fractures; the fracture property analysis module is to classify and count the length, occurrence and filling condition of the weathered fractures after identifying the weathered fractures; and the dynamic and static data verification module for paleo-water flow direction comprises static data verification and result verification through single well productivity data. The application can effectively support the restoration of the Ma 5 member karst paleo-geomorphology in the research area by only collecting three types of weathered fracture parameters which are easy to identify.

The utility model belongs to the technical field of measuring instruments, and particularly relates to an internal taper thread taper measuring device, which is characterized in that a main rod is hollow, a lever is arranged in the main rod, a measuring meter is arranged on the side surface of one end of the main rod, and the measuring end of the measuring meter penetrates into the main rod and faces one end of the lever; the movable contact is movably arranged on the side face of the other end of the main rod in the radial direction of the main rod, a through hole is formed in the side face of the end of the main rod, the bottom of the movable contact is arranged towards the other end of the lever along the through hole, the elastic piece is used for driving the movable contact to move towards the direction where the lever is located, and the fixed contact is fixed to the side face of the other end of the main rod. The end, corresponding to the measuring meter, of the lever is further provided with a handle, and the handle extends out of the main rod along the side face of the main rod. The internal taper thread taper measuring tool is not easy to scratch or crush parts, and can be better suitable for measuring the internal taper thread taper of parts made of relatively soft materials.