CN110806160A - Jumping test measuring tool - Google Patents
Jumping test measuring tool Download PDFInfo
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- CN110806160A CN110806160A CN201911011052.8A CN201911011052A CN110806160A CN 110806160 A CN110806160 A CN 110806160A CN 201911011052 A CN201911011052 A CN 201911011052A CN 110806160 A CN110806160 A CN 110806160A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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Abstract
The invention discloses a jitter test tool, which comprises: the mounting base assembly is provided with a mounting shaft group, the mounting shaft group is used for penetrating through a reference hole of a measured part to rotatably mount the measured part, and the mounting shaft group is also used for elastically abutting against the inner wall of the reference hole to eliminate a mounting gap between the mounting shaft group and the reference hole so as to radially position the measured part. Still be equipped with the benchmark terminal surface on the mount pad assembly, the benchmark terminal surface is used for with the installation location in the location terminal surface laminating of the part of being surveyed on the installation axle group to fix a position the part of being surveyed along the axial. The mounting seat assembly is also provided with a meter-striking measuring piece and a lever which is rotatably arranged, the meter-striking measuring piece and a measured part which is arranged and positioned on the mounting shaft group are respectively arranged at two sides of the lever, so that the detection end of the lever extends into a measured hole to prop against the wall surface of the measured hole, and the meter-pressing end of the lever props against the meter tip of the meter-striking measuring piece to be measured by a meter-pressing.
Description
Technical Field
The invention relates to the field of jumping inspection of a detected hole in a product part to a reference hole, in particular to a jumping inspection measuring tool.
Background
At present, when the jump of a measured hole to a reference hole on a product part is detected, as shown in fig. 1, two main modes are available:
the first method comprises the following steps: and (4) ensuring the processing, namely not measuring the hole to be measured, but processing the hole to be measured and the reference hole together in the preceding processing, and ensuring that the hole to be measured has grinding allowance. In this kind of "processing guarantees" mode, although the volume of being surveyed the hole and need grind is very little, because the influence that the consumption of grinding rod and artifical grinding produced the being surveyed the hole and beat, all can increase the probability that the hole that is surveyed beats the out-of-tolerance.
And the second method comprises the following steps: and (4) measuring three coordinates. When the three-coordinate measuring method is used for measuring the jumping of the measured hole relative to the reference hole, the consumed time is very long, and the measuring workload is too large after the parts are batched, so that the production progress is greatly influenced.
Disclosure of Invention
The invention provides a jitter testing tool, which aims to solve the technical problems of increasing the probability of out-of-tolerance of the jitter of a tested hole, long measuring time consumption and overlarge measuring workload in the conventional measuring mode.
The technical scheme adopted by the invention is as follows:
the utility model provides a beat inspection surveys utensil for whether measuring the jump of being surveyed the hole to the benchmark hole on the part of being surveyed is qualified, wherein, is surveyed the hole and is formed by the processing of the location terminal surface indent of being surveyed the part, beats the inspection and surveys the utensil and include: the mounting shaft group is used for being penetrated through a reference hole of the part to be tested so as to rotatably mount the part to be tested, and the mounting shaft group is also used for being elastically abutted against the inner wall of the reference hole so as to eliminate a mounting gap between the mounting shaft group and the reference hole and further positioning the part to be tested along the radial direction; the mounting base assembly is also provided with a reference end face, and the reference end face is used for being attached to a positioning end face of a part to be measured, which is mounted and positioned on the mounting shaft group, so as to position the part to be measured along the axial direction; the mounting seat assembly is also provided with a meter-striking measuring piece and a lever which is rotatably arranged, the meter-striking measuring piece and a measured part which is arranged and positioned on the mounting shaft group are respectively arranged at two sides of the lever, so that the detection end of the lever extends into a measured hole to prop against the wall surface of the measured hole, and the meter-pressing end of the lever props against the meter tip of the meter-striking measuring piece to be measured by a meter-pressing.
Further, the mounting shaft group comprises a horizontally suspended mounting mandrel and a plurality of groups of elastic positioning members; the mounting mandrel is used for inserting the positioning end face of the part to be measured into the reference hole after penetrating through the hole to be measured so as to enable the part to be measured to be rotatably mounted on the mounting mandrel; the elastic positioning members are sequentially arranged in the installation mandrel along the axial direction of the installation mandrel, and generate a telescopic elastic force which acts on the inner wall of the reference hole along the radial direction of the installation mandrel through the elastic positioning members so as to eliminate an installation gap between the installation mandrel and the reference hole and further position the measured part along the radial direction.
Furthermore, a through first mounting through hole is formed in the mounting base assembly, the mounting mandrel is fixedly arranged in the first mounting through hole, and the cantilever end of the mounting mandrel extends out of the first mounting through hole; the cantilever end of the mounting mandrel is provided with a plurality of second mounting through holes for mounting the elastic positioning members, the plurality of second mounting through holes are sequentially arranged at intervals along the axis of the mounting mandrel, and at least one end of each second mounting through hole vertically penetrates through the outer side wall of the mounting mandrel; the elastic positioning component is arranged in the second mounting through hole correspondingly arranged, the fixed end of the elastic positioning component is positioned in the second mounting through hole, and the abutting end of the elastic positioning component extends out of the second mounting through hole.
Furthermore, the elastic positioning component comprises a limit screw plug arranged in the second mounting through hole, a spring part used for supplying telescopic elastic force and a contact ball used for propping against the inner wall of the reference hole; the spring part is arranged in the second mounting through hole along the axial direction of the second mounting through hole, one end of the spring part is abutted against the limiting screw plug, and the other end of the spring part is connected with the contact ball; part of the spherical surface of the contact ball protrudes out of the second mounting through hole.
Furthermore, the elastic positioning component also comprises a hollow cylindrical mounting bush which is fixedly arranged in the second mounting through hole along the axial direction of the second mounting through hole; the inner wall of the shaft hole at the first end of the mounting bush is provided with an internal thread in threaded connection with the limiting screw plug and a limiting step connected to the end of the internal thread; the limiting screw plug is in threaded connection with the shaft hole at the first end of the mounting bushing and abuts against the limiting step; the spring member and the contact ball are slidably mounted in the shaft hole of the mounting bushing.
Furthermore, the mounting seat assembly is also provided with an accommodating cavity for accommodating the lever and a mounting channel for mounting the meter-striking measuring piece, the accommodating cavity is communicated with the reference end face, and the mounting channel is vertically communicated with the accommodating cavity; the jumping detection measuring tool also comprises an installation supporting rod used for rotating the installation lever, and the installation supporting rod is fixed on the installation seat assembly and penetrates through the accommodating cavity; the lever is positioned in the accommodating cavity, the middle part of the lever is rotatably arranged on the excircle of the mounting support rod, and the detection end of the lever extends out of the mounting seat assembly from the reference end surface; the meter-striking measuring piece is arranged in the mounting channel, and the meter tip is used for abutting against the meter-pressing end of the lever.
Furthermore, the lever comprises a lever body, a detection bulge and a supporting block, wherein the middle part of the lever body is rotatably arranged on the mounting support rod in a penetrating manner, the detection bulge is connected to the detection end of the lever body, and the supporting block is connected to the pressure meter end of the lever body; the detection bulge is connected to the upper surface of the lever body and is hemispherical, so that the detection end of the lever is in point contact with the wall surface of the detected hole; the support block is connected to the upper surface of the lever body and is plate-shaped, so that the pressure meter end of the lever is in surface contact with the meter tip of the meter-striking measuring piece.
Furthermore, the meter-making measuring piece comprises a dial, an installation cylinder rod connected with the dial, and a meter rod connected with the dial and arranged in the installation cylinder rod; the mounting cylinder rod is in threaded connection with the mounting channel, and the dial is positioned outside the mounting channel; the meter point of the meter rod extends out from the bottom of the mounting cylinder rod and then extends towards the meter pressing end of the lever.
Furthermore, the meter-striking measuring piece also comprises a meter jacket for protecting the mounting cylinder rod and a locking screw for locking the mounting cylinder rod; the meter clamping sleeve is positioned in the mounting channel and sleeved on the excircle of the mounting cylinder rod; the locking screw is in threaded connection with the mounting seat assembly, and the propping end of the locking screw vertically props against the outer wall of the meter jacket.
Furthermore, the mounting seat assembly comprises a supporting base plate, a mounting vertical plate vertically supported on the supporting base plate, and a mounting support plate connected to the top end of the mounting vertical plate; the installation mandrel is arranged vertically to the installation vertical plate and is fixed with the installation vertical plate through a fastener; the mounting channel is vertically penetrated through the mounting support plate from the top of the mounting support plate, and the mounting support plate and the mounting vertical plate are spliced and combined to form a surface which is attached to a part to be tested and serves as a reference end surface.
The invention has the following beneficial effects:
when the jumping inspection measuring tool is used for measuring whether the jumping of the measured hole on the measured part to the reference hole is qualified or not, the phenomenon that the jumping is not actually measured in the existing 'processing guarantee' mode is solved, and the measured hole does not need to be ground, so that the jumping of the measured hole cannot be influenced, the probability of the jumping of the measured hole being out of tolerance cannot be increased, and the quality of the measured part can be effectively ensured; compare in adopting "three-coordinate measurement" mode to measure, the installation of part to be measured, the location is simple, and measurement operation is simple, need not to measure operating personnel and possess abundant measurement operation experience, measuring time is very short, high measurement efficiency, the measurement that the big batch part to be measured was surveyed the hole and is beated, and because the reference end face of mount pad assembly is hugged closely to the location terminal surface of part to be measured, so stability is good when rotating the part to be measured, and then measurement accuracy is high, and it is simple to survey utensil design principle, accurate measurement for similar part is beated provides the design thinking.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional front view of a part to be tested;
FIG. 2 is a schematic structural diagram of a main view of a part to be tested measured by using the jitter testing tool according to the preferred embodiment of the present invention;
FIG. 3 is a schematic left-view structural diagram of the jitter testing tool of FIG. 2;
fig. 4 is a schematic top view of the jitter testing tool of fig. 2.
Description of the figures
10. A part to be tested; 101. a hole to be tested; 102. a reference hole; 103. positioning the end face; 20. a mounting seat assembly; 201. a reference end face; 202. an accommodating cavity; 203. installing a channel; 21. a support floor; 22. installing a vertical plate; 23. mounting a support plate; 30. mounting a shaft set; 31. installing a mandrel; 32. an elastic positioning member; 321. a limiting screw plug; 322. a spring member; 323. contacting the ball; 324. installing a bushing; 40. a meter measuring piece is printed; 41. a dial plate; 42. mounting a cylinder rod; 43. a meter lever; 44. a meter jacket; 45. locking the screw; 50. a lever; 51. a lever body; 52. detecting the bulge; 53. supporting a block; 60. and (5) mounting the supporting rod.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a runout testing tool for measuring whether a measured hole 101 on a measured part 10 is qualified for the runout of a reference hole 102, wherein the measured hole 101 is formed by concave processing of a positioning end surface 103 of the measured part 10, and the runout testing tool includes: the mounting base assembly 20 is provided with a mounting shaft group 30, the mounting shaft group 30 is arranged in a reference hole 102 of the measured part 10 in a penetrating manner to rotatably mount the measured part 10, and the mounting shaft group 30 is also used for elastically abutting against the inner wall of the reference hole 102 to eliminate a mounting gap between the mounting shaft group 30 and the reference hole 102, so as to position the measured part 10 along the radial direction. The mounting seat assembly 20 is further provided with a reference end surface 201, and the reference end surface 201 is used for being attached to the positioning end surface 103 of the measured part 10 mounted and positioned on the mounting shaft group 30 so as to position the measured part 10 in the axial direction. The mounting seat assembly 20 is further provided with a meter-striking measuring piece 40 and a lever 50 which is rotatably arranged, the meter-striking measuring piece 40 and the measured part 10 which is mounted and positioned on the mounting shaft group 30 are respectively arranged at two sides of the lever 50, so that the detection end of the lever 50 extends into the measured hole 101 to abut against the wall surface of the measured hole 101, and the meter-pressing end of the lever 50 abuts against the meter tip of the meter-striking measuring piece 40 to press the meter for measurement.
As shown in fig. 2, when the jitter inspection measuring device of the present invention is used to measure whether the jitter of the reference hole 102 from the measured hole 101 on the measured part 10 in fig. 1 is qualified, first, the reference hole 102 of the measured part 10 is inserted into the mounting shaft group 30, and the mounting shaft group 30 is elastically abutted against the inner wall of the reference hole 102 to eliminate the mounting gap between the mounting shaft group 30 and the reference hole 102, so that the measured part 10 is positioned along the radial direction of the mounting shaft group 30, and simultaneously, the positioning end surface 103 of the measured part 10 is tightly attached to the reference end surface 201 of the mounting seat assembly 20 to position the measured part 10 along the axial direction of the mounting shaft group 30, and at this time, the measured part 10 is completely mounted and positioned, as shown in fig. 2; at this time, the detection end of the lever 50 extends into the detected hole 101, and the meter-making measuring piece 40 is installed on the mounting seat assembly 20; during detection, the dial gauge measuring piece 40 is moved to enable the gauge tip of the dial gauge measuring piece 40 to downwards abut against the gauge pressing end of the lever 50 to zero by means of gauge pressing, at the moment, the detection end of the lever 50 abuts against the wall surface of the measured hole 101, then the measured part 10 is rotated for one or more circles to perform measurement, the reading of the dial gauge measuring piece 40 is read in the process of rotating the measured part 10, if the reading is within the designed tolerance range of the measured hole 101 to the reference hole 102, the measured hole 101 to the reference hole 102 is qualified in jumping, otherwise, the measured part 10 is qualified when the measured hole 101 to the reference hole 102 is qualified in jumping, and otherwise, the measured part 10 is unqualified.
When the jumping inspection measuring tool is used for measuring whether the jumping of the measured hole 101 on the measured part 10 to the reference hole 102 is qualified or not, the phenomenon that the jumping is not actually measured in the existing 'machining guarantee' mode is solved, and the measured hole does not need to be ground, so that the jumping of the measured hole cannot be influenced, the probability that the jumping of the measured hole is out of tolerance cannot be increased, and the quality of the measured part can be effectively ensured; compare in adopting "three-coordinate measurement" mode to measure, the installation of part to be measured, the location is simple, and measurement operation is simple, need not to measure operating personnel and possess abundant measurement operation experience, measuring time is very short, high measurement efficiency, the measurement that the big part to be measured of adaptation is measured the hole and is beated, and because the reference end face 201 of mount pad assembly 20 is hugged closely to the location terminal surface 103 of part 10 to be measured, so stability is good when rotating part 10 to be measured, and then measurement accuracy is high, and it is simple to survey utensil design principle, provide the design thinking for the accurate measurement of similar part beating.
Optionally, as shown in fig. 2, the mounting shaft set 30 includes a horizontally suspended mounting shaft 31 and a plurality of sets of elastic positioning members 32. The mounting mandrel 31 is used for inserting the positioning end surface 103 of the measured part 10 into the reference hole 102 after passing through the measured hole 101 so that the measured part 10 can be rotatably mounted on the mounting mandrel 31. The plurality of sets of elastic positioning members 32 are sequentially arranged in the installation mandrel 31 along the axial direction of the installation mandrel 31, and the elastic positioning members 32 generate a telescopic elastic force acting on the inner wall of the reference hole 102 along the radial direction of the installation mandrel 31 so as to eliminate an installation gap between the installation mandrel 31 and the reference hole 102, thereby positioning the measured part 10 along the radial direction. The plurality of sets of elastic positioning members 32 are sequentially arranged along the axial direction of the installation mandrel 31, which is beneficial to uniformly eliminating the installation gap between the installation mandrel 31 and the reference hole 102, preventing the installation mandrel 31 from deviating relative to the reference hole 102, and further facilitating more stable positioning of the measured part 10 along the radial direction of the installation mandrel 31.
In this alternative, as shown in fig. 2, a through first installation through hole is formed in the installation base assembly 20, the installation core shaft 31 is fixedly installed in the first installation through hole, and the cantilever end of the installation core shaft 31 extends out of the first installation through hole, specifically, as shown in fig. 2 and 3, the installation core shaft 31 is fixed in the first installation through hole by a fixing member such as a fixing screw or a fixing bolt. The cantilever end of the mounting mandrel 31 is provided with a plurality of second mounting through holes for mounting the elastic positioning members 32, the plurality of second mounting through holes are sequentially arranged at intervals along the axis of the mounting mandrel 31, and at least one end of each second mounting through hole vertically penetrates through the outer side wall of the mounting mandrel 31. The elastic positioning member 32 is installed in the second installation through hole correspondingly arranged, and the fixed end of the elastic positioning member 32 is located in the second installation through hole, so as to prevent the fixed end of the elastic positioning member 32 from interfering with the reference hole 102 after extending out of the second installation through hole, and the abutting end of the elastic positioning member 32 extends out of the second installation through hole, so as to be used for elastically abutting against the inner wall of the reference hole 102.
Specifically, as shown in fig. 2, the elastic positioning member 32 includes a stopper screw 321 provided in the second mounting through-hole, a spring member 322 for supplying a telescopic elastic force, and a contact ball 323 for abutting against an inner wall of the reference hole 102. The spring piece 322 is arranged in the second mounting through hole along the axial direction of the second mounting through hole, one end of the spring piece 322 abuts against the limiting screw plug 321, and the other end of the spring piece 322 is connected with the contact ball 323. Part of the spherical surface of the contact ball 323 protrudes through the second mounting through-hole. Preferably, the contact ball 323 is spherical and is in point contact with the inner wall of the reference hole 102, so that the installation gap between the installation mandrel 31 and the reference hole 102 is eliminated, the rotational friction between the installation mandrel 31 and the reference hole 102 is reduced, and the installation and positioning accuracy of the measured part 10 is improved; the contact ball 323 is made of a plastic material such as rubber or resin, and reduces friction with the inner wall of the reference hole 102.
Preferably, as shown in fig. 2, the elastic positioning member 32 further includes a hollow cylindrical mounting bushing 324, and the mounting bushing 324 is fixedly mounted in the second mounting through hole along the axial direction of the second mounting through hole.
The inner wall of the first end shaft hole of the mounting bushing 324 is provided with an internal thread in threaded connection with the limiting screw plug 321 and a limiting step connected to the end of the internal thread. The limiting screw plug 321 is connected in the shaft hole at the first end of the mounting bushing 324 in a threaded manner and abuts against the limiting step to limit the limiting screw plug 321 along the axial direction of the second mounting through hole. The spring member 322 and the contact ball 323 are slidably mounted in the axial bore of the mounting bushing 324. The mounting bushing 324 is made of a plastic material, and the mounting bushing 324 is mounted in the second mounting through hole by interference fit. In the present invention, the mounting bush 324 is added to prevent the rigid friction between the elastic positioning member 32 and the mounting core shaft 31, and prolong the service life and the use precision of the elastic positioning member 32. Preferably, the outer diameter of contact ball 323 is configured to match the inner diameter of mounting bushing 324, guiding and limiting the sliding movement of contact ball 323, so that contact ball 323 is more accurately and stably urged against the inner wall of reference hole 102.
Optionally, as shown in fig. 2, the mounting seat assembly 20 is further provided with an accommodating cavity 202 for accommodating the lever 50, and a mounting channel 203 for mounting the striking meter measuring part 40, the accommodating cavity 202 is communicated with the reference end surface 201, and the mounting channel 203 is vertically communicated with the accommodating cavity 202. As shown in fig. 3, the jitter testing tool further includes a mounting support rod 60 for rotating the mounting lever 50, and the mounting support rod 60 is fixed on the mounting base assembly 20 and penetrates through the accommodating cavity 202. The lever 50 is located in the accommodating cavity 202, and the middle part of the lever is rotatably installed on the outer circle of the mounting support rod 60, and the detection end of the lever 50 extends out of the mounting seat assembly 20 from the reference end surface 201. The striking meter measurement piece 40 is mounted in the mounting channel 203 and the tip is used to abut against the pressure end of the lever 50.
In this alternative, as shown in fig. 2 and 4, the lever 50 includes a lever body 51 with a middle portion rotatably inserted through the mounting support rod 60, a detecting protrusion 52 connected to a detecting end of the lever body 51, and a support block 53 connected to a pressure end of the lever body 51. The detecting protrusion 52 is connected to the upper surface of the lever body 51 and is hemispherical, so that the detecting end of the lever 50 is in point contact with the wall surface of the detected hole 101, thereby reducing the rotational friction between the detecting end and the wall surface of the detected hole 101, and meanwhile, the contact area is small during point contact, which is beneficial to improving the detection precision. The support block 53 is connected to the upper surface of the lever body 51 and is plate-shaped, so that the meter pressing end of the lever 50 is in surface contact with the meter tip of the meter-striking measuring piece 40, and the surface contact enables the contact area between the meter tip of the meter-striking measuring piece 40 and the meter pressing end of the lever 50 to be large, and the meter pressing end of the lever 50 is beneficial to stable meter pressing.
Alternatively, as shown in fig. 2, the striking measurement piece 40 includes a dial 41, a mounting cylinder 42 connected to the dial 41, and a stick 43 connected to the dial 41 and mounted in the mounting cylinder 42. The mounting cylinder rod 42 is screwed into the mounting passage 203, and the dial 41 is located outside the mounting passage 203. The meter point of the meter rod 43 penetrates out from the bottom of the mounting cylinder rod 42 and then extends towards the meter pressing end of the lever 50, and the meter rod 43 can extend into and extend out relative to the mounting cylinder rod 42 by twisting the meter disk 41, so that the meter point at the bottom end of the meter rod 43 presses the meter pressing end of the meter lever 50.
Preferably, as shown in fig. 2, the striking meter measuring part 40 further includes a meter collet 44 for shielding the mounting cylinder rod 42, and a locking screw 45 for locking the mounting cylinder rod 42. The watch case 44 is located in the mounting passage 203 and fitted over the outer circumference of the mounting cylinder rod 42. The locking screw 45 is screwed on the mounting seat assembly 20, and the abutting end of the locking screw 45 abuts against the outer wall of the watch clamping sleeve 44 vertically. Through addding table jacket 44 and locking screw 45, on the one hand more steadily will install barrel pole 42 locking and be fixed in installation passageway 203, on the other hand prevents that installation barrel pole 42 atress from being out of shape, and then influences the detection precision of beating table measuring part 40.
Alternatively, as shown in fig. 2, 3 and 4, the mount assembly 20 includes a support base 21, a mounting riser 22 vertically supported on the support base 21, and a mounting plate 23 connected to a top end of the mounting riser 22, specifically, as shown in fig. 3, the mounting plate 23 is fixedly connected to the mounting riser 22 by a locking screw and a locking pin. The installation mandrel 31 is arranged perpendicular to the installation vertical plate 22 and is fixed with the installation vertical plate 22 through a fastener. The mounting support 23 is provided with a mounting cavity formed by the inner concave surface of the attaching surface attached to the mounting riser 22, the top of the mounting support 23 vertically penetrates through the mounting support 23, and the mounting support 23 and the mounting riser 22 are spliced and combined to form a surface attached to the part 10 to be tested as a reference end surface 201.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 jump inspection measuring tool is used for measuring whether the jump of a measured hole (101) to a reference hole (102) on a measured part (10) is qualified or not, wherein the measured hole (101) is formed by concave processing of a positioning end face (103) of the measured part (10), and the jump inspection measuring tool is characterized by comprising:
the mounting base assembly (20) is provided with a mounting shaft group (30), the mounting shaft group (30) is used for penetrating into the reference hole (102) of the measured part (10) to rotatably mount the measured part (10), and the mounting shaft group (30) is also used for elastically abutting against the inner wall of the reference hole (102) to eliminate a mounting gap between the mounting shaft group (30) and the reference hole (102) so as to radially position the measured part (10);
the mounting seat assembly (20) is further provided with a reference end surface (201), and the reference end surface (201) is used for being attached to the positioning end surface (103) of the part to be measured (10) which is mounted and positioned on the mounting shaft group (30) so as to position the part to be measured (10) in the axial direction;
still be equipped with on mount pad assembly (20) and play table measuring part (40) and rotate lever (50) that set up, play table measuring part (40) and installation are located on installation axle group (30) measured part (10) divide and locate the both sides of lever (50), so that the sense terminal of lever (50) stretches into in measured hole (101) with the top the wall of measured hole (101), make the pressure table end of lever (50) with the table point top of playing table measuring part (40) is supported and is measured with the pressure table.
2. The jitter testing tool of claim 1,
the mounting shaft group (30) comprises a horizontally suspended mounting mandrel (31) and a plurality of groups of elastic positioning members (32);
the mounting mandrel (31) is used for inserting the positioning end surface (103) of the part to be measured (10) into the reference hole (102) after passing through the hole to be measured (101) so that the part to be measured (10) can be rotatably mounted on the mounting mandrel (31);
the elastic positioning members (32) are sequentially arranged in the installation mandrel (31) along the axial direction of the installation mandrel (31), and the elastic positioning members (32) generate telescopic elastic force acting on the inner wall of the reference hole (102) along the radial direction of the installation mandrel (31) so as to eliminate an installation gap between the installation mandrel (31) and the reference hole (102), and further position the measured part (10) along the radial direction.
3. The jitter testing tool of claim 2,
a first through hole is formed in the mounting base assembly (20), the mounting core shaft (31) is fixedly arranged in the first through hole, and the cantilever end of the mounting core shaft (31) extends out of the first through hole;
a plurality of second mounting through holes for mounting the elastic positioning members (32) are formed in the cantilever end of the mounting mandrel (31), the second mounting through holes are sequentially arranged at intervals along the axis of the mounting mandrel (31), and at least one end of each second mounting through hole vertically penetrates through the outer side wall of the mounting mandrel (31);
the elastic positioning component (32) is arranged in the second mounting through hole which is correspondingly arranged, the fixed end of the elastic positioning component (32) is positioned in the second mounting through hole, and the abutting end of the elastic positioning component (32) extends out of the second mounting through hole.
4. The jitter testing tool of claim 3,
the elastic positioning component (32) comprises a limit screw plug (321) arranged in the second mounting through hole, a spring piece (322) used for supplying telescopic elastic force, and a contact ball (323) used for propping against the inner wall of the reference hole (102);
the spring piece (322) is arranged in the second mounting through hole along the axial direction of the second mounting through hole, one end of the spring piece (322) abuts against the limiting screw plug (321), and the other end of the spring piece (322) is connected with the contact ball (323);
part of the spherical surface of the contact ball (323) protrudes out of the second mounting through hole.
5. The jitter testing tool of claim 4,
the elastic positioning component (32) further comprises a hollow cylindrical mounting bush (324), and the mounting bush (324) is fixedly arranged in the second mounting through hole along the axial direction of the second mounting through hole;
the inner wall of the shaft hole at the first end of the mounting bushing (324) is provided with an internal thread in threaded connection with the limiting screw plug (321) and a limiting step connected to the end of the internal thread;
the limiting screw plug (321) is in threaded connection with the shaft hole at the first end of the mounting bushing (324) and abuts against the limiting step;
the spring member (322) and the contact ball (323) are slidably mounted in the shaft hole of the mounting bushing (324).
6. The jitter testing tool of claim 2,
the mounting seat assembly (20) is further provided with an accommodating cavity (202) for accommodating the lever (50) and an installation channel (203) for installing the meter reading measuring piece (40), the accommodating cavity (202) is communicated with the reference end surface (201), and the installation channel (203) is vertically communicated with the accommodating cavity (202);
the jumping detection measuring tool further comprises a mounting support rod (60) used for rotatably mounting the lever (50), and the mounting support rod (60) is fixed on the mounting seat assembly (20) and penetrates through the accommodating cavity (202);
the lever (50) is positioned in the accommodating cavity (202), the middle part of the lever is rotatably arranged on the excircle of the mounting support rod (60), and the detection end of the lever (50) extends out of the mounting seat assembly (20) from the reference end surface (201);
the meter striking measuring piece (40) is installed in the installation channel (203) and a meter tip is used for abutting against the meter pressing end of the lever (50).
7. The jitter testing tool of claim 6,
the lever (50) comprises a lever body (51) with the middle part rotatably penetrating through the mounting support rod (60), a detection bulge (52) connected to the detection end of the lever body (51), and a support block (53) connected to the pressure meter end of the lever body (51);
the detection bulge (52) is connected to the upper surface of the lever body (51) and is hemispherical, so that the detection end of the lever (50) is in point contact with the wall surface of the detected hole (101);
the support block (53) is connected to the upper surface of the lever body (51) and is plate-shaped, so that the meter pressing end of the lever (50) is in surface contact with the meter tip of the meter striking measuring piece (40).
8. The jitter testing tool of claim 6,
the dial gauge measuring piece (40) comprises a dial plate (41), a mounting cylinder rod (42) connected with the dial plate (41), and a gauge rod (43) connected with the dial plate (41) and arranged in the mounting cylinder rod (42);
the mounting barrel rod (42) is in threaded connection with the inside of the mounting channel (203), and the dial (41) is located outside the mounting channel (203);
the meter point of the meter rod (43) penetrates out of the bottom of the mounting cylinder rod (42) and then extends towards the meter pressing end of the lever (50).
9. The jitter testing tool of claim 8,
the meter striking measuring piece (40) further comprises a meter clamping sleeve (44) used for protecting the mounting cylinder rod (42) and a locking screw (45) used for locking the mounting cylinder rod (42);
the meter clamping sleeve (44) is positioned in the mounting channel (203) and sleeved on the outer circle of the mounting cylinder rod (42);
the locking screw (45) is in threaded connection with the mounting seat assembly (20), and the abutting end of the locking screw (45) vertically abuts against the outer wall of the meter clamping sleeve (44).
10. The jitter testing tool of claim 6,
the mounting seat assembly (20) comprises a supporting base plate (21), a mounting vertical plate (22) vertically supported on the supporting base plate (21), and a mounting support plate (23) connected to the top end of the mounting vertical plate (22);
the mounting mandrel (31) is arranged perpendicular to the mounting vertical plate (22) and is fixed with the mounting vertical plate (22) through a fastener;
the mounting support plate (23) is provided with a mounting cavity formed by the inner concave surface attached to the mounting vertical plate (22), the top of the mounting support plate (23) vertically penetrates through the mounting support plate (23), the mounting support plate (23) and the mounting vertical plate (22) are spliced and combined to form a surface attached to the tested part (10), and the reference end surface (201) is formed by the two surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911011052.8A CN110806160A (en) | 2019-10-23 | 2019-10-23 | Jumping test measuring tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911011052.8A CN110806160A (en) | 2019-10-23 | 2019-10-23 | Jumping test measuring tool |
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| CN110806160A true CN110806160A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911011052.8A Pending CN110806160A (en) | 2019-10-23 | 2019-10-23 | Jumping test measuring tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639617A (en) * | 2021-08-16 | 2021-11-12 | 中航动力株洲航空零部件制造有限公司 | Distance measuring device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319888A (en) * | 2008-06-25 | 2008-12-10 | 无锡富瑞德精密机械有限公司 | Expansion ball type rotation center hole locating device |
| DE102008015493A1 (en) * | 2008-03-25 | 2009-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Testing device for determining lateral displacement between drilling and another drilling, has fastening mediums for detachable and free from play fastening at drilling and measuring sensor, which is movable in radial direction |
| CN202676121U (en) * | 2012-07-20 | 2013-01-16 | 陈硕 | Coaxiality measurer for mandrel three-level excircles |
| CN203069130U (en) * | 2013-02-18 | 2013-07-17 | 陈硕 | Coaxiality measuring tool |
| CN104089561A (en) * | 2014-07-30 | 2014-10-08 | 中国计量科学研究院 | Deep hole inner diameter measuring system |
| CN204043577U (en) * | 2014-07-23 | 2014-12-24 | 慈溪市汇丽机电有限公司 | A kind of lever internal bore groove apparatus for detecting diameter |
| CN205352254U (en) * | 2016-01-12 | 2016-06-29 | 内蒙古包钢钢联股份有限公司 | Body axis centring means |
| CN205580426U (en) * | 2015-11-23 | 2016-09-14 | 无锡巨通矿山机械有限公司 | Deep hole groove measuring tool |
| CN106482614A (en) * | 2016-12-07 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Engine cylinder-body cylinder-bore roundness error measurement instrument |
| CN106643437A (en) * | 2016-09-28 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Coaxiality measuring device and method for mechanical part |
-
2019
- 2019-10-23 CN CN201911011052.8A patent/CN110806160A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008015493A1 (en) * | 2008-03-25 | 2009-10-01 | Bayerische Motoren Werke Aktiengesellschaft | Testing device for determining lateral displacement between drilling and another drilling, has fastening mediums for detachable and free from play fastening at drilling and measuring sensor, which is movable in radial direction |
| CN101319888A (en) * | 2008-06-25 | 2008-12-10 | 无锡富瑞德精密机械有限公司 | Expansion ball type rotation center hole locating device |
| CN202676121U (en) * | 2012-07-20 | 2013-01-16 | 陈硕 | Coaxiality measurer for mandrel three-level excircles |
| CN203069130U (en) * | 2013-02-18 | 2013-07-17 | 陈硕 | Coaxiality measuring tool |
| CN204043577U (en) * | 2014-07-23 | 2014-12-24 | 慈溪市汇丽机电有限公司 | A kind of lever internal bore groove apparatus for detecting diameter |
| CN104089561A (en) * | 2014-07-30 | 2014-10-08 | 中国计量科学研究院 | Deep hole inner diameter measuring system |
| CN205580426U (en) * | 2015-11-23 | 2016-09-14 | 无锡巨通矿山机械有限公司 | Deep hole groove measuring tool |
| CN205352254U (en) * | 2016-01-12 | 2016-06-29 | 内蒙古包钢钢联股份有限公司 | Body axis centring means |
| CN106643437A (en) * | 2016-09-28 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Coaxiality measuring device and method for mechanical part |
| CN106482614A (en) * | 2016-12-07 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Engine cylinder-body cylinder-bore roundness error measurement instrument |
Non-Patent Citations (1)
| Title |
|---|
| 山东淄博市博山水泵厂检验科: "同心度检具", 《机械工人冷加工技术资料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639617A (en) * | 2021-08-16 | 2021-11-12 | 中航动力株洲航空零部件制造有限公司 | Distance measuring device |
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Application publication date: 20200218 |