CN203349732U - Tool for measuring axial position and width of inner ring groove in deep hole - Google Patents

Tool for measuring axial position and width of inner ring groove in deep hole Download PDF

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Publication number
CN203349732U
CN203349732U CN2013204517268U CN201320451726U CN203349732U CN 203349732 U CN203349732 U CN 203349732U CN 2013204517268 U CN2013204517268 U CN 2013204517268U CN 201320451726 U CN201320451726 U CN 201320451726U CN 203349732 U CN203349732 U CN 203349732U
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China
Prior art keywords
measuring
sounding rod
groove
deep hole
mount pad
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CN2013204517268U
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Chinese (zh)
Inventor
石纪德
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CSG TRW Chassis Systems Co Ltd
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CSG TRW Chassis Systems Co Ltd
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Priority to CN2013204517268U priority Critical patent/CN203349732U/en
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Abstract

The utility model discloses a tool for measuring the axial position and width of an inner ring groove in a deep hole. The tool comprises a measuring rod protruding into the deep hole during the measurement. The measuring rod is terminally provided with a mounting seat for a meter to be mounted, and internally provided with a coaxial through hole. A measuring mandrel is in sliding fit with and sleeved by the through hole. The measuring mandrel is provided with a shoulder, and a spring is sleeved on the measuring mandrel and arranged between the shoulder and the mounting seat. The meter is disposed on the mounting seat, and the measuring head of the meter abuts against the end face of the measuring mandrel. A through slot having a side wall parallel with the axis thereof is arranged on the peripheral wall of the measuring rod. An opening of the through slot is located on the end surface of the measuring rod away from the mounting seat, and the bottom of the slot is located at one end of the measuring rod near the mounting seat. The measuring rod is divided into a measuring rod body and a measuring jaw by the through slot. The measuring jaw is terminally provided with a flange extending outwardly in the radial direction for cooperation with the inner ring groove.

Description

Deep hole inner groove axial location and groove width survey instrument
Technical field
The utility model belongs to the mechanical measurement technical field of tools, is specifically related to a kind of deep hole inner groove axial location and groove width survey instrument.
Background technology
In mechanical manufacturing field, often there are some parts need to process inner groove, and higher to the accuracy requirement of the position of inner groove and width.As shown in Figure 1, for existing a kind of structural representation that is processed with the part of inner groove, because inner groove 1 is arranged in part deep-hole 2, traditional survey instrument is difficult to it is measured accurately, and in existing measuring method, general employing is dissectd the measurement method it is measured, but, dissect the measurement inefficiency of measurement method, measure cost also higher, can't meet the measurement requirement of parts in enormous quantities, and for the parts of producing in batches, the parts that need to midway inspect by random samples and the parts that need to entirely examine, dissect measurement method inapplicable.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of deep hole inner groove axial location and groove width survey instrument, this survey instrument not only can meet the axial location of deep hole inner groove and the measurement requirement of groove width, and has advantages of that the efficiency of measurement is high, measuring accuracy is high and it is low to measure cost.
For achieving the above object, the utility model provides following technical scheme:
A kind of deep hole inner groove axial location and groove width survey instrument, be included in while measuring and stretch into the sounding rod in deep hole, one end of described sounding rod is provided with for installing and measuring the mount pad of table, be provided with the through hole coaxial with it in described sounding rod, be equiped with air plug gauge with its sliding fiting sleeve in described through hole, described air plug gauge is provided with the shaft shoulder, be provided with the spring be sleeved on described air plug gauge between the described shaft shoulder and described mount pad, described mount pad is provided with meter, and the measuring head of described meter is resisted against on the end face of described air plug gauge;
The periphery wall of described sounding rod is provided with the sidewall groove parallel with its axis, the notch of described groove is positioned on the end face of described sounding rod away from described mount pad, bottom land is positioned at the end of described sounding rod near described mount pad, described groove is divided into sounding rod body and measuring claw by described sounding rod, and the end of described measuring claw is provided with and extends radially outwardly and the flange for coordinating with inner groove when measuring.
Further, described air plug gauge stretches out outside through hole and is provided with the termination that external diameter is greater than the through hole internal diameter and is less than the sounding rod external diameter away from an end of mount pad.
Further, described groove is at least two and uniform being arranged on described sounding rod of annular.
Further, between described mount pad and described spring, also be provided with orienting sleeve, described spring compression is fixed between the described shaft shoulder and described orienting sleeve, and described air plug gauge is resisted against on the measuring head of described meter through after described orienting sleeve.
Further, described sounding rod is provided with for being fixed the screw hole of described mount pad.
Further, the corresponding dowel hole that is provided with between described sounding rod and described air plug gauge.
Further, described sounding rod adopts spring steel to make.
The beneficial effects of the utility model are:
Deep hole inner groove axial location of the present utility model and groove width survey instrument, by groove being set on sounding rod and it being divided into to sounding rod body and measuring claw, measuring claw can shrink with respect to the sounding rod body when check and correction and measurement, make the external diameter of flange diminish, and then make in the deep enough deep hole of sounding rod energy, after flange arrives the position of inner groove, stretch in inner groove; Air plug gauge is under the effect of spring, at the bottom of its end away from meter props up the hole of deep hole, so, move axially sounding rod, and then the drive meter moves with respect to air plug gauge, different by the cooperation position between flange and inner groove, can record axial location and the groove width of inner groove, has advantages of that the efficiency of measurement is high, measuring accuracy is high and it is low to measure cost.
The accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is existing a kind of structural representation that is processed with the part of inner groove;
The structural representation that Fig. 2 is the utility model deep hole inner groove axial location and groove width survey instrument embodiment;
The stereographic map that Fig. 3 is the present embodiment deep hole inner groove axial location and groove width survey instrument.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 2, be the structural representation of the utility model deep hole inner groove axial location and groove width survey instrument embodiment.The deep hole inner groove axial location of the present embodiment and groove width survey instrument, be included in while measuring and stretch into the sounding rod 3 in deep hole 2, one end of sounding rod 3 is provided with the mount pad 5 for installing and measuring table 4, be provided with the through hole coaxial with it 6 in sounding rod 3, be equiped with air plug gauge 7 with its sliding fiting sleeve in through hole 6, air plug gauge is provided with the shaft shoulder 8, be provided with the spring 9 be sleeved on air plug gauge 7 between the shaft shoulder 8 and mount pad 5, mount pad 5 is provided with meter 4, and the measuring head 4a of meter 4 is resisted against on the end face of air plug gauge 7.
Preferably, also be provided with orienting sleeve 10 between mount pad 5 and spring 9, spring 9 is pressed abd fixed between the shaft shoulder 8 and orienting sleeve 10, and air plug gauge 7 is resisted against on the measuring head 4a of meter through after orienting sleeve 10, by orienting sleeve 10 is set, can provide guide effect for the slip of air plug gauge 7 on the one hand, can prevent that on the other hand spring 9 and measuring head 4a from interfering, reliability is higher.
Preferably, air plug gauge 7 stretches out outside through hole 6 and is provided with the termination 7a that external diameter is greater than through hole 6 internal diameters and is less than sounding rod 3 external diameters away from an end of mount pad 5, by air plug gauge 7 is stretched out outside through hole 6, can coordinate with at the bottom of the deep hole hole, on being resisted against at the bottom of the deep hole hole during measurement, for meter 4 provides a stable measuring basis.
Preferably, sounding rod 3 is provided with the screw hole 11 for being fixed mount pad 5, screw hole 11 is interior for trip bolt is installed, also be provided with the screw hole 12 for housing screw is installed between mount pad 5 and meter 4, by screw hole 11 and screw hole 12 are set, can be by mount pad 5 and the fastening installation of meter 4.
The periphery wall of sounding rod 3 is provided with the sidewall groove parallel with its axis 13, the notch of groove 13 is positioned on the end face of sounding rod 3 away from mount pad 5, bottom land is positioned at the end of sounding rod 3 near mount pad 5, groove 13 is divided into sounding rod body 3a and measuring claw 3b by sounding rod 3, and the end of measuring claw 3b is provided with and extends radially outwardly and the flange 3c for coordinating with inner groove 1 when measuring.
Preferably, groove 13 is at least two and uniform being arranged on sounding rod 3 of annular, and the groove 13 of the present embodiment is set to two.Preferably, corresponding dowel hole 3d and the 7b of being provided with between sounding rod 3 and air plug gauge 7, by dowel hole is set, can be when using, that air plug gauge 7 is fixing.
Preferably, sounding rod 3 adopts spring steel to make, and makes measuring claw 3b have the elastic deformability, meets request for utilization.
The deep hole inner groove axial location of the present embodiment and groove width survey instrument, by groove 13 being set on sounding rod 3 and it being divided into to sounding rod body 3a and measuring claw 3b, measuring claw 3b can shrink with respect to sounding rod body 3a when check and correction and measurement, make the external diameter of flange 3c diminish, and then make in the deep enough deep hole of sounding rod 3 energy, after flange 3c arrives the position of inner groove 1, stretch in inner groove 1; Air plug gauge 7 is under the effect of spring 9, at the bottom of its end away from meter 4 props up the hole of deep hole 2, so, move axially sounding rod 3, and then drive meter 4 moves with respect to air plug gauge 7, different by the cooperation position between flange 3c and inner groove 1, can record axial location and the groove width of inner groove 1, has advantages of that the efficiency of measurement is high, measuring accuracy is high and it is low to measure cost.
The deep hole inner groove axial location of employing the present embodiment and the measuring method of groove width survey instrument are as follows:
Pinch measuring claw 3c with hand when measuring and proofreading, make the external diameter of measuring claw 3c be less than workpiece aperture or standard body aperture, so that measuring claw 3c can enter in the deep hole of workpiece or standard body, when measuring claw 3c arrives workpiece annular groove or standard body inner groove, unclamp measuring claw 3c, allow measuring claw 3c be stuck in inner groove;
A. measure the inner groove axial location: the lower surface of lower surface and the standard body by measuring claw 3c (or claiming check gauge) contacts, and obtains a reading on meter 4, and this reading is as the standard value of inner groove 1 axial location; While measuring part, the lower surface of measuring claw 3c contacts and obtains measured value with the lower surface of inner ring groove of part 1, and the deviation of measured value and standard value is the numerical value that the inner groove axial location departs from code requirement.
B: the upper and lower end face of upper and lower end face and the standard body by measuring claw 3c (or claiming check gauge) contact, obtains two readings on meter 4, and the difference of these two readings is as the standard size (" zero ") of groove width; While measuring part, the upper and lower end face of measuring claw 3c contacts and obtains two other reading with the upper and lower end face of inner ring groove of part 1, the difference of these two readings is as the measured value of inner ring groove of part width, and the deviation of measured value and standard value is the numerical value that the inner groove width departs from code requirement.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.

Claims (7)

1. a deep hole inner groove axial location and groove width survey instrument, it is characterized in that: be included in while measuring and stretch into the sounding rod in deep hole, one end of described sounding rod is provided with for installing and measuring the mount pad of table, be provided with the through hole coaxial with it in described sounding rod, be equiped with air plug gauge with its sliding fiting sleeve in described through hole, described air plug gauge is provided with the shaft shoulder, be provided with the spring be sleeved on described air plug gauge between the described shaft shoulder and described mount pad, described mount pad is provided with meter, and the measuring head of described meter is resisted against on the end face of described air plug gauge,
The periphery wall of described sounding rod is provided with the sidewall groove parallel with its axis, the notch of described groove is positioned on the end face of described sounding rod away from described mount pad, bottom land is positioned at the end of described sounding rod near described mount pad, described groove is divided into sounding rod body and measuring claw by described sounding rod, and the end of described measuring claw is provided with and extends radially outwardly and the flange for coordinating with inner groove when measuring.
2. deep hole inner groove axial location according to claim 1 and groove width survey instrument is characterized in that: it is outer and be provided with the termination that external diameter is greater than the through hole internal diameter and is less than or equal to the sounding rod external diameter that described air plug gauge stretches out through hole away from an end of mount pad.
3. deep hole inner groove axial location according to claim 1 and groove width survey instrument is characterized in that: described groove is at least two and uniform being arranged on described sounding rod of annular.
4. according to claim 1-3 any one described deep hole inner groove axial location and groove width survey instrument, it is characterized in that: between described mount pad and described spring, also be provided with orienting sleeve, described spring compression is fixed between the described shaft shoulder and described orienting sleeve, and described air plug gauge is resisted against on the measuring head of described meter through after described orienting sleeve.
5. deep hole inner groove axial location according to claim 4 and groove width survey instrument, it is characterized in that: described sounding rod is provided with for being fixed the screw hole of described mount pad.
6. according to claim 1-3 any one described deep hole inner groove axial location and groove width survey instrument, it is characterized in that: the corresponding dowel hole that is provided with between described sounding rod and described air plug gauge.
7. deep hole inner groove axial location according to claim 1 and groove width survey instrument is characterized in that: described sounding rod adopts spring steel to make.
CN2013204517268U 2013-07-26 2013-07-26 Tool for measuring axial position and width of inner ring groove in deep hole Active CN203349732U (en)

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Application Number Priority Date Filing Date Title
CN2013204517268U CN203349732U (en) 2013-07-26 2013-07-26 Tool for measuring axial position and width of inner ring groove in deep hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013204517268U CN203349732U (en) 2013-07-26 2013-07-26 Tool for measuring axial position and width of inner ring groove in deep hole

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767285A (en) * 2017-03-17 2017-05-31 江苏太平洋精锻科技股份有限公司 Machine components hole outer annular recess width dimensions quantitatively measuring device
CN109099846A (en) * 2018-09-22 2018-12-28 中船澄西船舶修造有限公司 A kind of small-bore groove width measurement tooling
CN111473714A (en) * 2020-06-09 2020-07-31 内蒙古科技大学 Hand-held roll gap instrument
CN112082448A (en) * 2020-09-07 2020-12-15 昆山鸿永胜精密五金制品有限公司 Detection tool in waist shape lining hole

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767285A (en) * 2017-03-17 2017-05-31 江苏太平洋精锻科技股份有限公司 Machine components hole outer annular recess width dimensions quantitatively measuring device
CN109099846A (en) * 2018-09-22 2018-12-28 中船澄西船舶修造有限公司 A kind of small-bore groove width measurement tooling
CN111473714A (en) * 2020-06-09 2020-07-31 内蒙古科技大学 Hand-held roll gap instrument
CN112082448A (en) * 2020-09-07 2020-12-15 昆山鸿永胜精密五金制品有限公司 Detection tool in waist shape lining hole

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