CN214308495U - Height measuring tool for spacer ring of bearing seat inner hole - Google Patents
Height measuring tool for spacer ring of bearing seat inner hole Download PDFInfo
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- CN214308495U CN214308495U CN202023255256.7U CN202023255256U CN214308495U CN 214308495 U CN214308495 U CN 214308495U CN 202023255256 U CN202023255256 U CN 202023255256U CN 214308495 U CN214308495 U CN 214308495U
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Abstract
The utility model discloses a height measurement measuring tool of space ring of bearing frame hole, including measuring table and centre gripping caliber, the centre gripping caliber is including measuring seat and gauge, the one end of measuring seat is located to the gauge, the gauge includes that the montant in the measuring seat is located to the axial along measuring seat and radially locates the horizontal pole outside the measuring seat along measuring seat, the one end of measuring the seat and keeping away from the gauge is located to the horizontal pole, the montant is located in the measuring seat along the axial slidable ground of measuring seat, along axial displacement and drive the horizontal pole removal in the measuring seat through control montant, and then through the horizontal pole with the space ring of measuring seat cooperation with relative centre gripping bearing frame hole, make the gauge head of measuring table along with the corresponding stroke of terminal surface removal of the first end of montant, thereby measure the height value of the space ring of bearing frame hole. The utility model discloses a height measurement measuring tool of space ring of bearing frame hole changes the altitude value of the space ring of bearing frame hole into the montant of gauge along the stroke that axial direction removed, convenient to use.
Description
Technical Field
The utility model relates to a measure anchor clamps technical field, in particular to a height measurement measuring tool of space ring of bearing frame hole.
Background
Currently, the method for measuring the height value of the inner hole spacer ring of the bearing seat comprises the following steps: a caliper measuring method, a height gauge measuring method and a three-coordinate measuring method.
And (3) measuring by using a caliper: because the restriction that receives the part structure, receive the interference easily during the slide caliper rule measurement, influence the measuring accuracy, simultaneously because the dimensional tolerance of measurand hole space ring only is 0.01mm, adopt general structure slide caliper rule can't measure, the precision does not reach the requirement.
Measuring by using a height indicator: adopt equipment altimeter model to measure, the measurement process is more loaded down with trivial details, need rectify the measuring head many times, different operators ' results of correction are different, adopt the altimeter to take off the part in addition and measure, if not reach the size and need the clamping once more, increased the clamping error of part, be unfavorable for machining size's assurance to adopt the altimeter to measure and can't measure on the lathe, efficiency is low, is unsuitable big batch part measurement.
Three-coordinate measurement is adopted: the three-coordinate measurement has high precision, but takes long time, needs to wait for measurement by professional people in line, has low efficiency and is not suitable for measuring large-batch parts; the three-coordinate measurement also needs to take down parts for measurement, cannot be measured on a machine tool and has no operability in a production field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a height measurement measuring tool of space ring of bearing frame hole to the height value of the space ring of solving current bearing frame hole is difficult to measure, technical problem that measurement of efficiency is low.
In order to achieve the above object, the utility model adopts the following technical scheme:
a measuring tool for measuring the height of the spacer ring in the inner hole of a bearing seat is used for measuring the height of the spacer ring in the inner hole of the bearing seat and comprises a measuring seat and a clamping measuring device, wherein the clamping measuring device comprises a measuring seat and a measuring gauge, the measuring gauge is arranged at one end of the measuring seat, the measuring gauge comprises a vertical rod arranged in the measuring seat along the axial direction of the measuring seat and a transverse rod arranged outside the measuring seat along the radial direction of the measuring seat, the transverse rod is arranged at one end of the measuring seat far away from the measuring gauge, the vertical rod is arranged in the measuring seat along the axial direction of the measuring seat in a sliding way, the first end of the vertical rod is arranged towards the measuring gauge and is in abutting contact with a measuring head of the measuring gauge, the second end of the vertical rod extends outwards along the axial direction of the measuring seat and is vertically connected with the transverse rod, the vertical rod is controlled to move in the measuring seat along the axial direction and drive the transverse rod to move, and then the spacer ring which is matched with the measuring seat to clamp the inner hole of the bearing seat, so that the measuring head of the measuring gauge moves by a corresponding stroke along with the end surface of the first end of the vertical rod, thereby measuring the height value of the space ring of the inner hole of the bearing seat.
Further, the centre gripping caliber still includes application of force portion, the measurement seat including the gauge outfit stiff end that is used for fixed measuring table with be used for with the measurement of the space ring of horizontal pole cooperation centre gripping bearing frame hole support the end, set up the waist shape hole of laying along its axial on the measurement seat, waist shape hole is close to gauge outfit stiff end and sets up, application of force portion along radially locating waist shape of measurement seat downthehole and with montant fixed connection, through application of force portion at the downthehole endwise slip of measuring the seat of waist shape in order to drive the montant along endwise slip.
Furthermore, the clamping measurer also comprises a reset piece which is arranged on the measuring seat and used for forcing the force application part to move towards the direction of the measuring meter, the force application part is forced to move in the waist-shaped hole along the axial direction of the measuring seat through the pre-pressure of the reset piece, and then the vertical rod moves along the axial direction and is matched with the measuring abutting end of the measuring seat to elastically clamp the spacing ring of the inner hole of the bearing seat.
Further, the piece that resets adopts reset spring, the shoulder hole that runs through from top to bottom is seted up in the epaxial shoulder hole that runs through of measuring seat, the macropore of shoulder hole sets up towards the gauge outfit stiff end, the aperture orientation of shoulder hole is measured and is supported the end setting, waist shape hole and macropore are crossing to be laid, the first end of montant passes the aperture of shoulder hole and stretches into to the macropore of shoulder hole along the axial, the gauge head of measuring table stretches into to the macropore of shoulder hole and with the end face contact of the first end of montant along the axial of measuring seat, reset spring locates in the macropore of shoulder hole, the periphery of montant is located to the reset spring cover, reset spring's first end supports with the macropore terminal surface top of shoulder hole, reset spring's second end and application of force portion butt.
Furthermore, the radial section of the measuring seat is a closed body formed by enclosing an arc section and a bending section, the cross rod extends outwards towards the direction of the middle point of the arc section to be positioned between the inner contour and the outer contour of the arc section of the measuring seat, so that when the height value of the space ring is measured in the inner hole of the bearing seat, an avoiding space for enabling the measuring seat to move in the inner hole of the bearing seat along the radial direction is formed, and the outer wall surface of the measuring seat is attached to the curved surface of the inner hole wall surface of the bearing seat.
Further, the measuring seat comprises a measuring ring and a sleeve, the measuring ring is sleeved on the outer wall face of the circumference of the first end of the sleeve, the second end of the sleeve extends outwards along the axial direction to extend out of the measuring ring, the fixed end of the gauge outfit is located at the second end of the sleeve, the measuring abutting end is located at one end, far away from the sleeve, of the measuring ring, a stepped hole is formed in the middle shaft of the sleeve, the waist-shaped hole penetrates through the measuring ring and the sleeve to be arranged, and the measuring meter is detachably connected with the second end of the sleeve.
Further, the clearance between the vertical rod and the measuring seat is 0.005 to 0.01 mm.
Furthermore, the measuring gauge is a dial indicator, and the measuring gauge is detachably connected with the gauge outfit fixed end of the measuring seat through a gauge clamp nut.
Further, the force application portion includes a cylindrical pin.
Further, the watch also comprises a watch piece, and the height value of the watch piece is 100 -0.003And (4) millimeter.
The utility model discloses following beneficial effect has:
the utility model discloses a height measurement measuring tool of space ring of bearing frame hole, including gauge and centre gripping caliber. When the height value of the space ring of the inner hole of the bearing seat is measured, after the measuring seat and the measuring gauge of the clamping measurer extend into the inner hole of the bearing seat, firstly, the vertical rod of the measuring gauge slides downwards along the axial direction to drive the cross rod to slide towards the direction far away from the measuring seat, and at the moment, the gap between the cross rod and the measuring seat is larger than the height value of the space ring; then, the measuring seat is moved along the radial direction to enable the measuring seat to be attached to the inner hole wall surface of the bearing seat, the vertical rod of the measuring gauge slides upwards along the axial direction to drive the transverse rod to move towards the direction of the measuring seat, the transverse rod and the measuring seat are matched to clamp the spacing ring, and after the vertical rod of the measuring gauge moves axially and the measuring seat is matched to clamp the spacing ring, the measuring head of the measuring gauge moves corresponding stroke along with the end face of the first end of the vertical rod to measure the height value of the spacing ring of the inner hole of the bearing seat. The utility model discloses a height measurement measuring tool of space ring of bearing frame hole changes the altitude value of the space ring of bearing frame hole into the montant of gauge along the stroke that axial direction removed, and then be convenient for locate the space ring of bearing frame hole and show measurement value at the peripheral measurement of bearing frame, can directly measure on the bearing frame, do not receive the interference of lathe or other parts when being in the measurement on the lathe simultaneously at the bearing frame, high value of the space ring of bearing frame hole can be measured fast conveniently to convenient to use.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic structural diagram of a part to be measured according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a spacer height measuring gauge of a bearing seat inner hole according to a preferred embodiment of the present invention in use;
FIG. 3 is a top plan view of the spacer height gauge of the bearing seat bore of the preferred embodiment of the present invention in use;
FIG. 4 is a front view of the measurement ring of FIG. 2;
FIG. 5 is a side view of the measurement ring of FIG. 2;
FIG. 6 is a top view of the measurement ring of FIG. 2;
FIG. 7 is a front view of the sleeve of FIG. 2;
FIG. 8 is a side view of the sleeve of FIG. 2;
FIG. 9 is a front view of the gauge of FIG. 2;
fig. 10 is a front view of a gauge for measuring the height of the cage of the bearing seat bore of the preferred embodiment of the present invention relative to a watch piece.
Illustration of the drawings:
100. a height measuring tool for a spacer ring of an inner hole of a bearing seat; 10. a measuring meter; 20. clamping the measurer; 21. a measuring seat; 211. a waist-shaped hole; 212. a stepped hole; 213. a measuring ring; 214. a sleeve; 22. measuring a gauge; 221. a vertical rod; 222. A cross bar; 23. a force application part; 24. a reset member; 25. and (6) checking the watch piece.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
FIG. 1 is a schematic structural diagram of a part to be measured according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of a spacer height measuring gauge of a bearing seat inner hole according to a preferred embodiment of the present invention in use; FIG. 3 is a top plan view of the spacer height gauge of the bearing seat bore of the preferred embodiment of the present invention in use; FIG. 4 is a front view of the measurement ring of FIG. 2; FIG. 5 is a side view of the measurement ring of FIG. 2; FIG. 6 is a top view of the measurement ring of FIG. 2; FIG. 7 is a front view of the sleeve of FIG. 2; FIG. 8 is a side view of the sleeve of FIG. 2; FIG. 9 is a front view of the gauge of FIG. 2; fig. 10 is a front view of a gauge for measuring the height of the cage of the bearing seat bore of the preferred embodiment of the present invention relative to a watch piece.
As shown in fig. 2 and fig. 3, the height measuring tool 100 for a spacer ring of a bearing seat inner hole of the embodiment is used for measuring the height value of the spacer ring of the bearing seat inner hole with a measured dimensional tolerance value of 0.01mm, and includes a measuring gauge 10 and a clamping measuring tool 20, the clamping measuring tool 20 includes a measuring seat 21 and a measuring gauge 22, the measuring gauge 10 is disposed at one end of the measuring seat 21, the measuring gauge 22 includes a vertical rod 221 disposed in the measuring seat 21 along an axial direction of the measuring seat 21 and a cross rod 222 disposed outside the measuring seat 21 along a radial direction of the measuring seat 21, the cross rod 222 is disposed at one end of the measuring seat 21 away from the measuring gauge 10, the vertical rod 221 is slidably disposed in the measuring seat 21 along the axial direction of the measuring seat 21, a first end of the vertical rod 221 is disposed toward the measuring gauge 10 and is in abutting contact with a measuring head of the measuring gauge 10, a second end of the vertical rod 221 extends outward along the axial direction of the measuring seat 21 and is perpendicularly connected with the cross rod 222, the vertical rod 221 is controlled to move axially in the measuring seat 21 and drive the cross rod 222 to move, and then the cross rod 222 is matched with the measuring seat 21 to relatively clamp the space ring of the inner hole of the bearing seat, so that the measuring head of the measuring meter 10 moves a corresponding stroke along with the end face of the first end of the vertical rod 221, and the height value of the space ring of the inner hole of the bearing seat is measured.
The utility model discloses a height measurement measuring tool 100 of spacer ring of bearing frame hole, including gauge 10 and centre gripping caliber 20. When the height value of the space ring of the inner hole of the bearing seat is measured, after the measuring seat 21 and the measuring gauge 22 of the clamping measurer 20 extend into the inner hole of the bearing seat, firstly, the vertical rod 221 of the measuring gauge 22 slides downwards along the axial direction to drive the cross rod 222 to slide towards the direction far away from the measuring seat 21, and at the moment, the gap between the cross rod 222 and the measuring seat 21 is larger than the height value of the space ring; then, the measuring seat 21 is moved along the radial direction to enable the measuring seat 21 to be attached to the inner hole wall surface of the bearing seat, the vertical rod 221 of the measuring gauge 22 slides upwards along the axial direction to drive the cross rod 222 to move towards the direction of the measuring seat 21, and then the cross rod 222 and the measuring seat 21 are matched to clamp the space ring in the two-way mode, because the measuring head of the measuring gauge 10 is abutted to the end surface of the first end of the vertical rod 221, and then after the vertical rod 221 of the measuring gauge 22 moves along the axial direction to be matched with the measuring seat 21 to clamp the space ring, the measuring head of the measuring gauge 10 moves along with the end surface of the first end of the vertical rod 221 by a corresponding stroke, and therefore the height value of the space ring of the inner hole of the bearing seat is measured. The utility model discloses a height measurement measuring tool 100 of space ring of bearing frame hole, the height value of the space ring of bearing frame hole changes the montant 221 along the stroke that the axial direction removed of gauge 22 into, and then be convenient for locate the space ring of bearing frame hole and show measurement value at the peripheral measurement of bearing frame, can directly measure on the bearing frame, do not receive the interference of lathe or other parts when the bearing frame is in the lathe to measure simultaneously, high value of the space ring of bearing frame hole can be measured fast conveniently.
It will be appreciated that the connection of the vertical rods 221 to the cross rod 222 is rounded to avoid wearing the spacer.
As shown in fig. 1, the utility model discloses a to be surveyed part is the space ring of bearing frame hole, and the space ring is located in the hole of bearing frame and is set up with the interior pore wall facial features laminating of bearing frame, and the height value of the space ring of bearing frame hole is 100 0.01The measured dimensional tolerance is 0.01 mm.
In this embodiment, as can be understood, the measuring seat 21 extends into the inner hole of the bearing seat along the axial direction, the vertical rod 221 of the measuring gauge 22 slides along the axial direction to drive the cross rod of the measuring gauge 222 to pass through the inner hole of the spacer and extend into the lower side of the spacer, the measuring seat 21 drives the measuring gauge 22 to move radially in the inner control of the bearing seat and to be attached to the inner hole wall surface of the bearing seat, so that the cross rod 222 of the measuring gauge 22 passes through the spacer and is arranged on the lower side of the spacer, and then the vertical rod 221 is pulled upwards to drive the cross rod 222 to be matched with the measuring seat to clamp the spacer in the two-way direction.
Further, centre gripping caliber 20 still includes application of force portion 23, measuring seat 21 is including the gauge outfit stiff end that is used for fixed measuring meter 10 and the measurement butt end that is used for cooperating the space ring of centre gripping bearing frame hole with horizontal pole 222, set up the waist shape hole 211 of laying along its axial on the measuring seat 21, waist shape hole 211 is close to the gauge outfit stiff end setting, application of force portion 23 radially locates in waist shape hole 211 along measuring seat 21 and with montant 221 fixed connection, through application of force portion 23 along the axial slip of measuring seat 21 in waist shape hole 211 in order to drive montant 221 along the axial slip. By providing the biasing portion 23, it is convenient to bias the vertical rod 221 from the outside of the measuring seat 21 so that the vertical rod 221 moves in the axial direction and cooperates with the measuring seat 21 to clamp the space ring. Alternatively, the urging portion 23 may be a rectangular urging lever, or may be a cylindrical urging lever or the like. Specifically, in this embodiment, in order to facilitate the application of force from the outside of the measuring seat 21, so that the force application portion 23 drives the vertical rod 221 to move, one end of the force application portion 23 extends into the kidney-shaped groove and is fixedly connected with the vertical rod 221, and the other end of the force application portion 23 extends outside the measuring seat 21.
Further, in order to enable the vertical rod 221 to drive the cross rod 222 to automatically and rapidly reset after moving towards the direction away from the measuring seat 21, and further cooperate with the measuring seat 21 to clamp the spacer, the clamping measurer 20 further comprises a resetting piece 24 arranged on the measuring seat 21 and used for forcing the force application part 23 to move towards the direction of the measuring meter 10, the force application part 23 is forced to move along the axial direction of the measuring seat 21 in the waist-shaped hole 211 through the pre-pressure of the resetting piece 24, and further the vertical rod 221 moves along the axial direction and cooperates with the measuring abutting end of the measuring seat 21 to clamp the spacer of the inner hole of the bearing seat elastically. Specifically, the clamping measurer 20 further includes a resetting member 24 disposed on the measuring seat 21 and configured to generate a pre-pressure on the force application portion 23 so that the force application portion 23 drives the vertical rod 221 to move along the measurement abutting end of the measuring seat 21 toward the fixed end of the gauge outfit, and the pre-pressure of the resetting member 24 drives the force application portion 23 to move along the axial direction of the measuring seat 21 in the waist-shaped hole 211, so that the vertical rod 221 moves along the axial direction and cooperates with the measurement abutting end of the measuring seat 21 to elastically clamp the spacer ring of the inner hole of the bearing seat.
Further, the reset piece 24 adopts a reset spring, a stepped hole 212 which penetrates through the middle shaft of the measuring seat 21 from top to bottom is formed in the middle shaft of the measuring seat 21, a large hole of the stepped hole 212 is arranged towards the fixed end of the gauge head, a small hole of the stepped hole 212 is arranged towards the measuring abutting end, the waist-shaped hole 211 and the large hole are arranged in an intersecting manner, a first end of the vertical rod 221 penetrates through the small hole of the stepped hole 212 along the axial direction and extends into the large hole of the stepped hole 212, a measuring head of the measuring gauge 10 extends into the large hole of the stepped hole 212 along the axial direction of the measuring seat 21 and contacts with the end face of the first end of the vertical rod 221, the reset spring is arranged in the large hole of the stepped hole 212, the reset spring is sleeved on the periphery of the vertical rod 221, the first end of the reset spring abuts against the end face of the large hole of the stepped hole 212, and the second end of the reset spring abuts against the force application part 23. Through setting up reset 24 and including reset spring to locate reset spring and press from both sides tight space ring with self-adaptation through reset spring's elasticity in measuring seat 21, avoid the space ring because the clamping-force is too big to receive wearing and tearing.
As shown in fig. 4, 5 and 6, further, the radial cross section of the measuring seat 21 is a closed body formed by enclosing an arc section and a bending section, and the cross bar 222 extends outward toward the middle point of the arc section to a position between the inner contour and the outer contour of the arc section of the measuring seat 21, so as to form an avoidance space for radially moving the measuring seat 21 in the inner hole of the bearing seat when measuring the height value of the spacer in the inner hole of the bearing seat, and to make the outer wall surface of the measuring seat 21 fit with the inner hole wall surface of the bearing seat. It can be understood, the utility model discloses in, support through horizontal pole 222 and the measurement of measuring seat 21 and hold end combined action centre gripping space ring, horizontal pole 222 extends to between the interior profile and the outline that are in the circular arc section of measuring seat 21 along the direction of its junction with montant 221 towards the mid point of circular arc section outwards, has avoided horizontal pole 222 at the ascending interference of radial direction, guarantees to make the internal face of measuring seat 21 and bearing frame laminate completely and avoids measuring seat 21 swing, is favorable to improving measurement accuracy. It can be understood that, when the cross bar 222 is too long and extends out of the outer contour of the arc section of the measuring seat 21, the arc outer wall surface of the measuring seat 21 cannot completely fit with the inner wall surface of the bearing seat, and when the cross bar 222 is too short, the cross bar 222 cannot cooperate with the measuring abutting end of the measuring seat 21 to clamp the spacer.
It will be appreciated that in this embodiment, the outer diameter of the measuring socket 21 is smaller than the radial dimension of the inner bore of the bearing seat, so that the measuring socket 21 can move radially in the inner bore of the bearing seat and the cross bar 222 can axially pass through the inner bore of the spacer, thereby bidirectionally clamping the spacer in cooperation with the measuring socket 21 after the cross bar passes through the inner bore of the spacer.
As shown in fig. 7, 8 and 9, further, the measuring seat 21 includes a measuring ring 213 and a sleeve 214, the measuring ring 213 is sleeved on the circumferential outer wall surface of the first end of the sleeve 214, the second end of the sleeve 214 extends outward along the axial direction to the outside of the measuring ring 213, the fixed end of the gauge outfit is located at the second end of the sleeve 214, the measuring abutting end is located at one end of the measuring ring 213 away from the sleeve 214, a stepped hole 212 is provided on the central axis of the sleeve 214, the waist-shaped hole 211 is simultaneously disposed through the measuring ring 213 and the sleeve 214, and the measuring gauge 10 is detachably connected with the second end of the sleeve 214. Optionally, the first end of the sleeve 214 is in interference fit with the measuring ring 213, and the fit clearance between the vertical rod 221 and the sleeve 214 is 0.005 to 0.1. The second end of the sleeve 214 is provided with an external thread and the measuring instrument 10 is connected to the second end of the sleeve 214 by a meter clamping nut.
Further, in order to ensure the measurement accuracy, the gap between the vertical rod 221 and the measurement seat 21 is 0.005 to 0.01 mm; the measuring gauge 10 is a dial gauge, and the measuring gauge 10 is detachably connected with the gauge head fixing end of the measuring seat 21 through a gauge clamp nut.
Further, the force application portion 23 is a cylindrical pin for facilitating the operation of moving the vertical rod 221 in the axial direction. Optionally, a first end of the cylindrical pin is disposed outside the measuring seat 21, and a second end of the cylindrical pin extends into the waist-shaped hole 211 along a radial direction of the measuring seat 21 and is disposed through the first end of the vertical rod 221. In this embodiment, it can be understood that the waist-shaped hole 211 extends along the circumferential direction of the measuring seat 21 to form a semi-circular ring shape, the cylindrical pin is rotatably disposed in the waist-shaped hole 211, the cylindrical pin can drive the vertical rod 221 to rotate along the circumferential direction, and the horizontal rod 222 is located in the inner hole of the space ring by rotating the vertical rod 221.
Further, as shown in fig. 10, the height measuring gauge 100 for the spacer of the bearing seat inner hole further includes a gauge 25, and the height of the gauge 25 is 100 -0.003And (4) millimeter.
It is understood that, in the present embodiment, the outer wall surface of the measuring ring 213 near one end of the measuring gauge 10 is provided with a thread grid; the inner bore of the measuring ring 213 in cooperation with the sleeve 214 avoids a surface roughness of not more than 0.8; the surface roughness of the inner hole of the kidney-shaped hole 211 is not more than 0.8; the surface roughness of the circumferential outer wall surface of the sleeve 214 is not more than 0.8; the surface roughness of the inner hole wall surface of the stepped hole 212 of the sleeve 214 is not more than 0.8; the surface roughness of the end face of the first end of the stem 221 is not more than 0.2; the surface roughness of the surface of the crossbar 222 near the measuring seat 21 is not more than 0.2. To avoid wearing the spacer, the rounded corner at the junction of the vertical bar 221 and the cross bar 222 is R2 rounded.
The utility model discloses a height measurement measuring tool 100 of space ring of bearing frame hole design principle as follows:
the design is carried out by utilizing the characteristics of the return spring, namely, in the recovery process of the return spring from a compression state to a free state, the cylindrical pin is elastically supported, so that the cylindrical pin drives the vertical rod 221 to move along the axial direction of the measuring seat 21, and further the vertical rod 221 drives the cross rod 222 to move and is matched with the measuring seat 21 to clamp the space ring; the measuring base 21 is designed by considering each moving direction of the measuring tool during measurement, and the measuring base 21 needs to be flattened, so that the radial cross section of the measuring base 21 is a polygon formed by enclosing of an arc section and a bending section. The use process of the height measuring tool 100 for the spacer of the bearing seat inner hole is as follows: firstly, performing meter checking, namely, installing the measuring meter 10 into the clamping measurer 20, and then performing meter checking by using a meter checking piece 25 to zero; next, the height measuring tool 100 for the spacer of the bearing seat inner hole aligned with the meter is placed into the part inner hole, the cylindrical pin is pressed down, the vertical rod 221 is made to move downwards through the compression spring, meanwhile, the measuring seat 21 moves along the radial direction to be attached to the inner hole wall surface of the bearing seat, when the measuring seat 21 leans against the inner hole wall of the bearing seat, the height measuring tool 100 for the spacer of the bearing seat inner hole cannot move, the cylindrical pin is loosened, the vertical rod 221 moves upwards under the resilience action of the return spring, and when the vertical rod 221 drives the cross rod 222 to move to be attached to the lower surface of the spacer together with the cross rod 222, the actual value of the measured size is obtained.
The key requirements of the height measuring gauge 100 for the spacer of the bearing seat inner bore are as follows: the height measuring tool 100 for the spacer ring of the bearing seat inner hole is shared with the meter part 25, and before measurement, the meter part 25 needs to be calibrated, and the meter head needs to be set to zero. When the meter component 25 is used for metering, the threaded roller can flexibly rotate, and the indication error of the dial indicator during rotation cannot exceed 0.003; when the gauge head is arranged in the measuring tool, a proper amount of gauge pressure is required to be usually 0.3-0.4, so that the gauge head can accurately reflect the measured value at the position when in use; the vertical rod 221 should be flexible in moving up and down; the gauge head used in conjunction with the gauge should have a precision of 0.001, taking into account the tolerances of the dimensions to be measured; when the cylindrical pin is propped against the uppermost part of the waist-shaped groove of the body, the return spring is also in a compressed state; furthermore, when the cylindrical pin is pressed down, the return spring should be in a further compressed state; the gap between the vertical rod 221 and the sleeve 214 is 0.005-0.01, so as to ensure a more accurate measurement result; since the precision of the measured dimension is high, the high-precision surface gauge 25 is required to be used for surface gauge measurement, and the surface gauge 25 can be a standard block gauge in the embodiment; considering the accuracy of the measurement, the measurement should measure several more points.
The height measuring tool 100 for the spacer ring of the bearing seat inner hole has the following beneficial effects: the problem that parts are measured by a height indicator or three-coordinate measurement is solved, and the working efficiency is improved in mass production; the problem of accurate measurement of similar parts is solved, the thickness of the spacer ring in the inner hole of the bearing seat can be accurately measured, and the design principle is accurate, simple and worth popularizing; the measuring tool is more convenient to operate during measurement, can be used on a machine tool, and avoids clamping errors caused by repeated clamping.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A measuring tool for measuring the height of the spacer ring of the inner hole of a bearing seat is used for measuring the height value of the spacer ring of the inner hole of the bearing seat and is characterized in that,
comprises a measuring meter (10) and a clamping measurer (20), wherein the clamping measurer (20) comprises a measuring seat (21) and a measuring gauge (22), the measuring meter (10) is arranged at one end of the measuring seat (21),
the measuring gauge (22) comprises a vertical rod (221) arranged in the measuring seat (21) along the axial direction of the measuring seat (21) and a horizontal rod (222) arranged outside the measuring seat (21) along the radial direction of the measuring seat (21), the horizontal rod (222) is arranged at one end of the measuring seat (21) far away from the measuring meter (10), the vertical rod (221) is arranged in the measuring seat (21) along the axial direction of the measuring seat (21) in a sliding manner, the first end of the vertical rod (221) is arranged towards the direction of the measuring meter (10) and is abutted against and contacted with a measuring head of the measuring meter (10), the second end of the vertical rod (221) extends outwards along the axial direction of the measuring seat (21) and is vertically connected with the horizontal rod (222),
the vertical rod (221) is controlled to move axially in the measuring seat (21) and drive the cross rod (222) to move, and then the cross rod (222) is matched with the measuring seat (21) to relatively clamp the space ring of the inner hole of the bearing seat, so that a measuring head of the measuring meter (10) moves corresponding stroke along with the end face of the first end of the vertical rod (221), and the height value of the space ring of the inner hole of the bearing seat is measured.
2. The gauge of claim 1, wherein the gauge comprises a base plate having a plurality of spaced rings,
the clamping measurer (20) also comprises a force application part (23),
the measuring seat (21) comprises a gauge head fixed end for fixing the measuring gauge (10) and a measuring abutting end for matching with the cross rod (222) to clamp a space ring of the bearing seat inner hole, the measuring seat (21) is provided with a waist-shaped hole (211) distributed along the axial direction of the measuring seat, the waist-shaped hole (211) is arranged close to the gauge head fixed end,
force application portion (23) are followed radially of measuring seat (21) locate in waist shape hole (211) and with montant (221) fixed connection, through force application portion (23) are in follow in waist shape hole (211) the axial slip of measuring seat (21) is in order to drive montant (221) are along axial slip.
3. The gauge of claim 2, wherein the spacer comprises a spacer ring having a first end and a second end,
the clamping measurer (20) also comprises a reset piece (24) which is arranged on the measuring seat (21) and used for forcing the force application part (23) to move towards the direction of the measuring meter (10),
forcing the force application part (23) to move along the axial direction of the measuring seat (21) in the waist-shaped hole (211) through the pre-pressure of the reset piece (24), and further enabling the vertical rod (221) to move along the axial direction and the measuring abutting end of the measuring seat (21) to be matched with a spacer ring of an inner hole of an elastic clamping bearing seat.
4. A gauge according to claim 3, wherein the spacer is arranged to be positioned in the bearing seat bore,
the reset piece (24) adopts a reset spring,
the measuring head of the measuring instrument (10) extends into the large hole of the stepped hole (212) along the axial direction of the measuring seat (21) and is in contact with the end face of the first end of the vertical rod (221),
reset spring locates in the macropore of shoulder hole (212), reset spring cover is located the periphery of montant (221), reset spring's first end with the macropore terminal surface top of shoulder hole (212) is supported, reset spring's second end with application of force portion (23) butt.
5. The gauge of claim 4, wherein the spacer comprises a spacer ring having a first end and a second end,
the radial section of the measuring seat (21) is a closed body formed by enclosing of circular arc sections and bending sections, the cross rod (222) extends outwards towards the direction of the middle point of the circular arc sections to be positioned between the inner contour and the outer contour of the circular arc sections of the measuring seat (21),
when the height value of the space ring is measured in the inner hole of the bearing seat, an avoiding space enabling the measuring seat (21) to move in the inner hole of the bearing seat along the radial direction is formed, and the outer wall surface of the measuring seat (21) is attached to the curved surface of the inner hole wall surface of the bearing seat.
6. The gauge of claim 4, wherein the spacer comprises a spacer ring having a first end and a second end,
the measuring seat (21) comprises a measuring ring (213) and a sleeve (214), the measuring ring (213) is sleeved on the circumferential outer wall surface of the first end of the sleeve (214), the second end of the sleeve (214) extends outwards along the axial direction to extend out of the measuring ring (213), the fixed end of the gauge outfit is arranged at the second end of the sleeve (214), the measuring abutting end is arranged at one end of the measuring ring (213) far away from the sleeve (214),
the stepped hole (212) is arranged on the middle shaft of the sleeve (214), the waist-shaped hole (211) penetrates through the measuring ring (213) and the sleeve (214) to be arranged at the same time,
the meter (10) is removably connected to the second end of the sleeve (214).
7. The gauge of claim 4, wherein the spacer comprises a spacer ring having a first end and a second end,
the clearance between the vertical rod (221) and the measuring seat (21) is 0.005-0.01 mm.
8. The gauge of claim 4, wherein the spacer comprises a spacer ring having a first end and a second end,
the measuring meter (10) is a dial indicator, and the measuring meter (10) is detachably connected with the fixed end of the meter head of the measuring seat (21) through a meter clamping nut.
9. The gauge of claim 4, wherein the spacer comprises a spacer ring having a first end and a second end,
the force application part (23) comprises a cylindrical pin.
10. The gauge of claim 4, wherein the spacer comprises a spacer ring having a first end and a second end,
the table also comprises a table piece (25), and the table height value of the table piece (25) is 100 -0.003And (4) millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255256.7U CN214308495U (en) | 2020-12-29 | 2020-12-29 | Height measuring tool for spacer ring of bearing seat inner hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255256.7U CN214308495U (en) | 2020-12-29 | 2020-12-29 | Height measuring tool for spacer ring of bearing seat inner hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214308495U true CN214308495U (en) | 2021-09-28 |
Family
ID=77863642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023255256.7U Active CN214308495U (en) | 2020-12-29 | 2020-12-29 | Height measuring tool for spacer ring of bearing seat inner hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214308495U (en) |
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2020
- 2020-12-29 CN CN202023255256.7U patent/CN214308495U/en active Active
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Address after: 412000 No. 1018, Hangfei Avenue, Lusong District, Zhuzhou City, Hunan Province Patentee after: Hunan Xingtu Aerospace and Spacecraft Manufacturing Co.,Ltd. Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: AVIC POWER ZHUZHOU AVIATION PARTS MANUFACTURING Co.,Ltd. |
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