Bench for measuring position of axes of opening in spatial structure

FIELD: measuring technique.

SUBSTANCE: bench comprises base and measuring appliances that are set into the openings. The base is made of a plate provided with coordinate grid that is in coincident with the coordinate grid of the mathematical model of the article. Each measuring appliance is made of a pin provided with measuring tip at one end and two ring grooves and handle at the other end. The pin is mounted for permitting axial movement inside the bushing. The bushing is secured inside the housing by means of a lid whose radial opening receives spring-loaded ball for permitting cooperation with the ring grooves in the pin in the initial and operation positions of the measuring instrument. Each measuring appliance is mounted on the stand by means of the intermediate cantilever and adapting plate for permitting control of its position in three coordinate axes with the use of plates-compensators. The adapting plate can be mounted for permitting rotation in the pivoting housing.

EFFECT: enhanced precision.

4 dwg

 

The invention relates to measurement devices, namely, devices for controlling the diameter and location of holes in a complex spatial structure.

A device for measuring the angle of deviation of a surface from a given base, comprising a housing with a support and a measuring device (Patent RF N 2142112, IPC G01 5/24, 1998). The disadvantage of this device is that it cannot be used when controlling the relative position of the holes spatial structures.

Closest to the claimed invention is a device for monitoring the relative position of the axes of the holes containing the base frame designed for installation in a controlled vents, and benchmark (As the Russian Federation No. 759838, IPC G01 5/24, 1978).

This device is made for the nearest equivalent. The downside of it is the low accuracy and the complexity of the measurements, due to the recalculation difference of the readings, as well as the inability to simultaneously control the disposition of the axes of the several holes, diameter of holes spatial structures, where the base surface to control holes are arranged at different angles to the base of the fixture.

The invention is directed to improving the performance of the control by simultaneously comprehensive assessment of the mutual location of all controlling the number of holes, as well as improving the accuracy of control due to the configuration of the stand using a mathematical model of the product entered into the computer.

To solve the problem in the device to control the relative position of the axes of the holes containing the base, the fixture with fixture intended for installation in a controlled hole, standard, for standard adopted mathematical model of the product obtained using three-dimensional modeling and entered into the computer, the base of the stand is made in the form of a plate coated with her grid, which coincides with a coordinate grid of a mathematical model of the device, installed on a welded frame with the ability to regulate its height position, and each measuring device made in the form of controlling finger with the measuring tip with one hand and with two annular the grooves and with the handle on the other hand, is executed in accordance with the diameter of controllable openings and installed with the possibility of axial movement in the bushing flange and the measuring plane at the end, return to the plane of the lead-in areas controlled vents and speakers from the measuring tip for contour of the housing. The sleeve is fixed in the housing with the cover in a radial hole which establish the spring-loaded ball interoperable with the annular grooves of the finger in the source and in the working positions of the measuring devices, each measuring device is placed on the rack with the intermediate bracket and the adapter plate with the ability to regulate its position in three axes using plates-joints, the sizes of which the respective axes are evaluated in accordance with the position of the controlled point on the mathematical model when setting up the stand, and when the control holes located in remote places, transition plate can be placed can be rotated in the hinge housing, and a rack mounted on the base in accordance with the coordinates of the points of control and design features controlled items.

Figure 1 shows a General view of the stand.

Figure 2 is a view As in figure 1.

Figure 3 - a view B figure 1 (a General view of one of the measurement nodes).

Figure 4 is a detail view In figure 3 (section along the axis of the measuring device).

Stand to control the relative position of the axes of the holes contains a base, made in the form of a plate 1, installed on a welded frame 2 with the possibility of an exhibition in height by means of screws 3. On the stove caused the grid 4, coinciding with a coordinate grid of a mathematical model of the product obtained using three-dimensional modeling and entered into the computer, and for the absolute system adopted coord. system is t, the plane HOU which coincides with the plane of the plate 1, and the Z coordinate perpendicular to the plane of the plate: +Z - up, Z, down. Measuring devices with tool holders designed for insertion in a controlled openings 5 that are mounted on the plate 1 in accordance with the coordinates of the points of control and design features controlled items.

Each measuring device 6 is made in the form of a control finger 7 with the measuring tip 8 with one hand and with two annular grooves 9 and arm 10 with the other hand. Measuring tip 8 of the finger 7 is made with a diameter selected in accordance with the diameter of the controlled openings 5, and is mounted for axial movement in the sleeve 11 with a flange 12 and the measuring plane 13 at the end, return to the plane of the take-up reel platform 14 controlled openings 5 and protruding from the side of the measuring tip 8 for the contour of the housing 15 of the measuring device. The sleeve 11 is fixed in the housing 15 with the cover 16 in a radial hole 17 which is mounted a spring-loaded ball 18 with the opportunity to interact with annular grooves 9 of the finger 7 in the original and in working positions of the measuring devices. Each measuring device is placed on the rack 19 with intermediate Cresta is and 20 and the transition plate 21 with the ability to regulate its position in three axes using plates bladders 22 (3): on axis OZ - 22(Z)axes OX or OY - 22 (X/Y), the dimensions of which are on the appropriate axes OX, OY and OZ are evaluated in accordance with the position of the controlled point on the mathematical model when setting up the booth.

The bracket 20 and the plate-compensators 22 universal for any measuring devices, rack 19 uniform and differ in height with a step by 5 mm Transition plate 21 for each controlled hole 5 is made separately in accordance with the inclination of the lead-in areas controlled openings to the plane of the table 1. The sleeve 11 is also uniform and differ in length by 0.3-0.5 mm and divided into groups: short group, middle group and a long group for each specific case depending on the location of the controlled openings: if the hole is located in the depth of the design, uses long sleeve, when the surface is short. Measuring tips are manufactured with a diameter less than the diameters of controlled openings, and the gap between each tip 8 and the wall of the controlled orifice 5 is calculated depending on the tolerance for the manufacture of controlled openings and precision of the stand.

The fingers 7 are removable and can be replaced on the fingers with other diameters or lengths depending the tee from controlled sizes of holes.

During the inspection holes located in remote places, transition plate 21 can be placed can be rotated in a unified body 23 with the connecting hole, which is installed between the transition plate 21 and the bracket 20.

To install the dimensional design of the stand is made with the cradle 24 and pin 25.

Before working the booth set up using a measuring machine or the universal measuring instrument (not shown) on the coordinates of the mathematical model that is reduced to the combination of the axes of the measuring 8 tips of the fingers 7 and end of the measuring plane 13 of each sleeve 11, with the respective axes of controlled openings 5 and planes on the mathematical model, which determines the position of the measuring axes of the lugs 8 of the fingers 7 and the end plane of each sleeve 11 in space and compared with the desired positions them on the stand and by further developing the thicknesses of the plates of the compensator 22(X), 22(Y) and 22(Z) set the measuring device along the X, Y, Z with the required accuracy. For this purpose, the stand Assembly mounted on a table measuring machine (not shown), the probe measuring machines relate to the end plane 13 of the sleeve 11 at three points determine the slope of the plose the spine 13 and its position in space, compare the position of the plane 13 of the end face of the sleeve 11 in the space with the position of the plane on the mathematical model introduced in the computer control and measuring my mother's. Then probe measuring machines relate to the measuring tip 8 of the finger 7 in two points, and knowing its diameter, determine the position of the axis of the measuring tip 8 in the space and the coordinates X, Y and Z of the point M of intersection of the end plane 13 of the sleeve 11 with the axis of the measuring tip 8 (finger 7), which is the materialization of the corresponding point on the mathematical model.

Thus adjustment of the measuring devices of all places, and after that stand ready to work.

The device is described on the example of the control arrangement and the permissible diameter of the holes cross the dashboard of the car 2118 "Kalina".

Before checking the crossmember instrument panel mounted on a stand in the cradle 24 and fixed on the base holes with the fingers of the clamps 25. When this measuring device 6 be controlled coaxial holes 5 and between the surfaces 13 and 14, a gap L (calculated value - depending on the manufacturing tolerance of the cross the instrument panel and precision of the stand in accordance with the thickness of the plates of the compensator is in 22(L). Then use the handle 10 measuring 8 tips of the fingers 7 are introduced in a controlled orifice 5. When hit measurement tips 8 all measuring devices in a controlled openings 5 cross the dashboard and if the gap L do not exceed permissible (check using probes maximum and minimum allowable thickness, the cross-beam instruments is recognized as valid.

If the measuring tip 8 any facilities will not be included in the controlled opening of the crossbar devices due to the mismatch between their axes or diameters or size of the gap L is greater than or less acceptable for the L value, the crossbar devices is discarded.

During the inspection holes located in remote places, the measuring device 6 is supplied to controlled holes 5 and is fixed. Then assess the accuracy of hole location by measuring distances between the planes 13 and 14 by means of special probes 26. After that, the arms 10 measuring 8 tips of the fingers 7 are introduced in a controlled orifice 5.

The gap between the measuring heads 8 of the fingers 7 and the surface of the controlled openings 5 determine the correct location of the controlled axes of the holes 5 spatial structure and relative position between the Wallpaper by simultaneous determination of the correct location of the controlled axes of the holes on the whole three-dimensional structure using the stand.

Stand to control the relative position of the axes of the holes spatial structure containing a base, a measuring device with pots intended for installation in a controlled openingsand the standard, wherein the standard adopted mathematical model of the product obtained using three-dimensional modeling and entered into the computer, the base is made in the form of a plate coated with her grid, matching grid mathematical model of the product and installed on a welded frame with the ability to regulate its height position, and each measuring device made in the form of controlling finger with the measuring tip with one hand and with two annular grooves and with a grip on the other hand, is executed in accordance with the diameter of controllable openings and installed with the possibility of axial movement in the sleeve with flange and the measuring plane at the end, return to the plane of the lead-in areas controlled opening and protruding from the side of the measuring tip for contour of the housing, and a sleeve fixed in the housing with the cover in a radial hole in which is mounted a spring-loaded ball interoperable with the annular grooves of the finger in the source and in the working positions of the measuring devices, each measuring device is placed on the rack with the intermediate bracket and the adapter plate with the ability to regulate its position in three axes using plates-joints, the sizes of which the respective axes are evaluated in accordance with the position of the controlled point on the mathematical model when setting up the stand, and when the control holes located in remote places, transition plate can be placed can be rotated in the hinge housing, and a rack mounted on the base in accordance with the coordinates of the points of control and design features controlled items.



 

Same patents:

FIELD: automatics.

SUBSTANCE: device comprises axially aligned housing with axial opening, rotating part connected with the shaft, locator for locking it at the initial position, unit for preventing device against rotation, and indication members mounted inside the housing. The top section of the housing is provided with horizontal groove that is in communication with its axial opening. The indication members made of inertia members spring-loaded perpendicular to the longitudinal axis of the housing are set in the horizontal groove. The rotatable part is made of piston with rod. The piston is sharpened and can move inside the axial opening in the housing. From the side of the housing base, the surface of the axial opening of the housing is provided with the cylindrical projection. The piston of the part to be rotated is spring-loaded with respect to the projection. The locator for locking the initial position of the part is made of additional projection made on the surface of the axial opening in the housing and groove on the outer side of the piston made for permitting the piston to move in the direction of horizontal groove in the housing after the rotation of the shaft. The length of the part to be rotated is chosen to provide locking the end position of the inertia members by the sharpened end of the piston after the rotation of the shaft. The top face surface of the housing is provided with horizontal groove that is in communication with the horizontal grove in the housing.

EFFECT: enhanced precision.

1 dwg

FIELD: the invention refers to measuring technique particularly for measuring of the width and the deviation of a location of a veener groove relatively to the axis of an opening.

SUBSTANCE: the arrangement has a body with two centering fingers, a veener groove, installed in the body with possibility of forward movement and back-and-turning motions around its longitudinal axis, a measuring probe firmly fixed on the rod, a measuring unit installed on the body with possibility of interacting of its measuring tip with a key groove. At that centering fingers are fulfilled and located with possibility of centering along its working surfaces of the lateral surface of a measuring probe fulfilled ball-shaped. As for the veener groove it is located with possibility of forward movement in the direction of the parallel line connecting centers of transverse sections of the centering fingers.

EFFECT: increases accuracy, productivity and simplification of measuring.

2 dwg

FIELD: automotive industry; diagnostic devices; wheel alignment outfits.

SUBSTANCE: proposed wheel alignment gauge contains working member and measuring element. Working member can rotate around its axle, and measuring element secured on working member can come in contact with check points on surfaces under checking and can move along working member. Working member is made up of similar symmetrical parts and is installed on clamp connected with centering cones. Gauge is fastened by means of centering cones engaging with centering holes of axle-shafts or hubs of wheels. Gauge can be furnished with adapters with central conical holes designed for fitting on wheel, disks, when used on automobiles whose wheels have no centering holes.

EFFECT: enlarged operating capabilities of gauge, improved accuracy of checking of wheel camber angle and toe-in.

2 cl, 2 dwg

FIELD: measurement technology.

SUBSTANCE: device has movable re-arranging rods, which are mounted inside case and brought into contact with sides of angle. The rods are made in form of two curved straight prismatic plates having rectangular cross-section and connected to each other by means of telescopic joint. There is longitudinal slot in embracing plate. Embraced plate enters the slot for reciprocal motion and location of plates relatively each other. Side faces of embraced plate are provided with angular scales to read angle out. Angle is marked by surface of edge part, which embraces plates when there is the contact of four long ribs of edge parts of both plates with surfaces of sides of two-sided angle.

EFFECT: improved precision of measurement; simplified design.

2 dwg

The invention relates to measurement devices, namely, devices for measuring the cone angle of the needle spray of diesel fuel injection equipment

The invention relates to the field of measuring equipment, namely, devices for checking alignment surfaces of the rotating cylindrical parts, and can be used in machine-building and repair production

The invention relates to measuring technique and can be used during installation to control the alignment of the machines connected to the unit

The invention relates to measurement techniques, in particular to methods for measuring the width and deviation of the location of the key groove relative to the axis of the hole

The invention relates to methods of technical diagnostics of steering control in vehicles and can be used during operation

The invention relates to control the technical condition of vehicles

FIELD: measurement technology.

SUBSTANCE: device has movable re-arranging rods, which are mounted inside case and brought into contact with sides of angle. The rods are made in form of two curved straight prismatic plates having rectangular cross-section and connected to each other by means of telescopic joint. There is longitudinal slot in embracing plate. Embraced plate enters the slot for reciprocal motion and location of plates relatively each other. Side faces of embraced plate are provided with angular scales to read angle out. Angle is marked by surface of edge part, which embraces plates when there is the contact of four long ribs of edge parts of both plates with surfaces of sides of two-sided angle.

EFFECT: improved precision of measurement; simplified design.

2 dwg

FIELD: automotive industry; diagnostic devices; wheel alignment outfits.

SUBSTANCE: proposed wheel alignment gauge contains working member and measuring element. Working member can rotate around its axle, and measuring element secured on working member can come in contact with check points on surfaces under checking and can move along working member. Working member is made up of similar symmetrical parts and is installed on clamp connected with centering cones. Gauge is fastened by means of centering cones engaging with centering holes of axle-shafts or hubs of wheels. Gauge can be furnished with adapters with central conical holes designed for fitting on wheel, disks, when used on automobiles whose wheels have no centering holes.

EFFECT: enlarged operating capabilities of gauge, improved accuracy of checking of wheel camber angle and toe-in.

2 cl, 2 dwg

FIELD: the invention refers to measuring technique particularly for measuring of the width and the deviation of a location of a veener groove relatively to the axis of an opening.

SUBSTANCE: the arrangement has a body with two centering fingers, a veener groove, installed in the body with possibility of forward movement and back-and-turning motions around its longitudinal axis, a measuring probe firmly fixed on the rod, a measuring unit installed on the body with possibility of interacting of its measuring tip with a key groove. At that centering fingers are fulfilled and located with possibility of centering along its working surfaces of the lateral surface of a measuring probe fulfilled ball-shaped. As for the veener groove it is located with possibility of forward movement in the direction of the parallel line connecting centers of transverse sections of the centering fingers.

EFFECT: increases accuracy, productivity and simplification of measuring.

2 dwg

FIELD: automatics.

SUBSTANCE: device comprises axially aligned housing with axial opening, rotating part connected with the shaft, locator for locking it at the initial position, unit for preventing device against rotation, and indication members mounted inside the housing. The top section of the housing is provided with horizontal groove that is in communication with its axial opening. The indication members made of inertia members spring-loaded perpendicular to the longitudinal axis of the housing are set in the horizontal groove. The rotatable part is made of piston with rod. The piston is sharpened and can move inside the axial opening in the housing. From the side of the housing base, the surface of the axial opening of the housing is provided with the cylindrical projection. The piston of the part to be rotated is spring-loaded with respect to the projection. The locator for locking the initial position of the part is made of additional projection made on the surface of the axial opening in the housing and groove on the outer side of the piston made for permitting the piston to move in the direction of horizontal groove in the housing after the rotation of the shaft. The length of the part to be rotated is chosen to provide locking the end position of the inertia members by the sharpened end of the piston after the rotation of the shaft. The top face surface of the housing is provided with horizontal groove that is in communication with the horizontal grove in the housing.

EFFECT: enhanced precision.

1 dwg

FIELD: measuring technique.

SUBSTANCE: bench comprises base and measuring appliances that are set into the openings. The base is made of a plate provided with coordinate grid that is in coincident with the coordinate grid of the mathematical model of the article. Each measuring appliance is made of a pin provided with measuring tip at one end and two ring grooves and handle at the other end. The pin is mounted for permitting axial movement inside the bushing. The bushing is secured inside the housing by means of a lid whose radial opening receives spring-loaded ball for permitting cooperation with the ring grooves in the pin in the initial and operation positions of the measuring instrument. Each measuring appliance is mounted on the stand by means of the intermediate cantilever and adapting plate for permitting control of its position in three coordinate axes with the use of plates-compensators. The adapting plate can be mounted for permitting rotation in the pivoting housing.

EFFECT: enhanced precision.

4 dwg

FIELD: measuring technique.

SUBSTANCE: device comprises housing with two pairs of supports for basing the inner cone and indicator provided with the indicating head. The housing is provided with levers. The first and second levers are provided with measuring tips. The indicator is connected with the second lever by means of indicating head. The housing is made of a cylindrical rod. The first lever is mounted on the cylindrical rod for permitting axial movement. The second lever is unmovable and is mounted for permitting rocking. The second lever is a double-arm lever. One of the arms is provided with the measuring tip mounted coaxially to the measuring tip of the first lever. The other arm is provided with a pivot spring-loaded to the indicating head to provide a contact with it. Each of the supports are mounted on the cylindrical rod for permitting dismounting.

EFFECT: expanded functional capabilities and simplified structure.

1 dwg

FIELD: measuring technique.

SUBSTANCE: device comprises housing with two pars of supports and levers. One of the levers is provided with measuring tips. The other lever is provided with indicators. The indicating heads of the indicator are mounted coaxially to the corresponding measuring tips provided on the first lever. The housing is made of a cylindrical rod. The first lever is mounted on the cylindrical rod for permitting axial movement. The second lever is mounted on the cylindrical rod to exclude movement. The measuring heads of the first lever are arranged on both sides of the cylindrical rod and are at the same distance from its longitudinal axis.

EFFECT: enhanced precision and simplified structure.

1 dwg

FIELD: physics, instrumentation technology.

SUBSTANCE: invention refers to instrumentation technology, mainly for details like plugs and bodies. Rack with two main detection heads and three additional heads is mounted onto a reference plane. Probes of the main heads have the same overhang against the said rack's axis; probes of the additional heads have the same overhang against the reference plane. Locator prism is installed on the reference plane in a way that bisecting plane of the prism is perpendicular to the probes' axes of the main detection heads. Then aligning bar is inserted in a hole of an object to be measured, and the object with the bar is installed on the locator prism. Then a plate is inserted into a groove in the object. The object is rotated on the locator prism until readings of two additional crosswise detecting heads become equal. Deviations of main head readings are used to determine centre distance error, difference of the mentioned readings indicates horizontal nonparallelity; vertical nonparallelity is indicated by difference in readings of two additional detection heads located along the plate.

EFFECT: improved accuracy when measuring misalignment between of groove and axis.

2 dwg

FIELD: physics, measurement.

SUBSTANCE: invention is related to nondestructive check and may be used for determination of points of ball contact with ball bearing rim and calculation of ball bearing contact angle. Measurements may be performed on assembled ball bearing. Method includes determination of point of ball bearing contact with rim contact surface and estimation of ball bearings contact angle by displacement of contact point from design position. At that contact surface of rim in the field of design point of its contact with ball is radiated with ultrasonic beam, and contact point is determined by minimum value of reflected acoustic signal amplitude.

EFFECT: provision of possibility of direct determination of contact points of ball with ball bearing rim and calculation of angle in it, and determination of size and shape of area of contact of ball with rim.

4 cl, 3 dwg

FIELD: physics; measurement.

SUBSTANCE: invention is related to diagnostic instruments that define technical condition of common machine building units. Device incorporates bed plate with movable support and slipping support, and tested driveline. At that torque loader consists of lever, dynamometer and threaded link. Gap meter contains of stand, on which indicating gage body is fixed, and platform. Scale of axial shift is rigidly fixed in bed plate, and pointer is placed at movable support.

EFFECT: higher accuracy of determination of actual angle of driveline hinges break.

1 dwg

Up!