CN204286298U - Lock silk hole wall thickness detector on a kind of six square nuts - Google Patents
Lock silk hole wall thickness detector on a kind of six square nuts Download PDFInfo
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- CN204286298U CN204286298U CN201420653548.1U CN201420653548U CN204286298U CN 204286298 U CN204286298 U CN 204286298U CN 201420653548 U CN201420653548 U CN 201420653548U CN 204286298 U CN204286298 U CN 204286298U
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- blade
- chi frame
- lock silk
- silk hole
- wall thickness
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses the lock silk hole wall thickness detector on a kind of six square nuts, comprise the graduated blade of band, and be sleeved on the chi frame on blade, blade and chi frame are slidably matched; The front end of blade arranges the mount pad protruded downwards, and what prod was detachable is installed on mount pad; The front lower portion of chi frame is provided with the card base of part close contact to be measured and for returning to zero and the draw-in groove making prod stretch into when returning to zero.Because this lock silk hole pick-up unit is furnished with and the Ka Jiao of the same shape of six square nuts and the measuring stick that can put in, first measuring stick is put in lock silk hole to be measured during measurement, at slip chi frame, the Ka Jiao on chi frame is snapped in six corners, after gapless, start reading.The utility model has that easy to use, compact conformation, maintenance are simple, the feature of low cost of manufacture, can realize the detection to aeroengine pipeline jointing, during the lock silk hole that can be widely used in Aeronautics and Astronautics and civilian six square joints is detected.
Description
Technical field
The utility model belongs to workpiece size detection technique field, relates to a kind of lock silk hole wall thickness detector, is specifically related to the lock silk hole wall thickness detector on a kind of six square nuts.
Background technology
Aeroengine pipeline is formed by connecting by difform pipe, and single-piece pipeline welds threaded six square nuts by two ends after tube bending and forms.Loosening to prevent shaking the nut caused in engine use procedure, in the process that six square nuts manufacture, machined two lock silk holes.Pipeline needs after connecting with thin locking silk through lock silk hole locking attaching nut.
For the detection of six square nut Suo Sikong centers to six side's cusp size L, on-the-spot employing is bumped into the drill bit close with aperture in lock silk hole, then measures the length of six side's cusps to drill bit bus with pit gauge, adds bit diameter size and obtains final size L.Following two kinds of drawbacks can be there are in original detection mode:
1, designing requirement Suo Sikong center is to six side's point limit sizes, and before brill lock silk hole, milling six side processing is carried out to part, remain burr between six aspects after processing and face, keep R0.3 ~ 0.5 according to standard metacone limit of deburring, and to bore detection reference behind lock silk hole be rounded edges after deburring, so there is error in testing result, lock silk hole after processing, to off-centring, decreases nut endoporus and the minimum wall thickness (MINI W.) in lock silk hole, there is hidden danger of quality.
When 2, utilizing insertion drill bit indirect inspection, because drill bit and hole exist gap, during measurement, the lock silk hole bus that the close decentering of drill bit meeting is nearest, measurement result is bigger than normal, and same exist lock silk hole physical location near center, reduce nut endoporus and the minimum wall thickness (MINI W.) in lock silk hole, there is hidden danger of quality.
Summary of the invention
The purpose of this utility model is to solve the problem, and provides the thickness detector of the lock silk hole wall on a kind of six square nuts, and this pick-up unit can detect that the center in lock silk hole is to six side's cusp sizes, prevents Working position from offseting and causes quality accident really.
To achieve these goals, the technical scheme that the utility model adopts is:
A lock silk hole wall thickness detector on six square nuts, comprise the graduated blade of band, and be sleeved on the chi frame on blade, blade and chi frame are slidably matched; The front end of blade arranges the mount pad protruded downwards, and what prod was detachable is installed on mount pad; The front lower portion of chi frame is provided with the card base of part close contact to be measured and for returning to zero and the draw-in groove making prod stretch into when returning to zero; When testing, prod stretches in the lock silk hole of six square nut sides, the card base of chi frame and six square nut close contacts.
Described chi frame is provided with the nut for chi frame and blade being fixed.
The diameter of described prod is less than or equal to six square nuts respectively and locks the diameter in a hole or the width of draw-in groove.
The blind hole described mount pad offering the through hole being parallel to blade length direction and be connected perpendicular to blade length direction and with through hole; Prod is placed in blind hole, and prod is by being arranged at lock nut assembly in through hole and blade is fixed.
The rear end of described blade is provided with for preventing chi frame to slide the stop screw come off.
The opening of described card base is set to 120 degree with six square nut close contacts.
The length of cusp bottom draw-in groove of described card base is the half of measuring stick diameter.
Compared with prior art, the utility model has following beneficial effect:
The Ka Jiao that the utility model is provided with shape same with part to be measured and the measuring stick that can put in, first measuring stick is put in during measurement in lock silk hole to be measured, at slip chi frame, the Ka Jiao on chi frame is snapped in six corners, start reading after gapless, eliminate the error caused because six side's corner angle are irregular.The measuring stick of the utility model assembling freely can be changed and stretch.Have that easy to use, compact conformation, maintenance are simple, the feature of low cost of manufacture.The utility model can realize the detection to aeroengine pipeline jointing, can be widely used in the lock silk hole detection of Aeronautics and Astronautics and civilian six square joints.
Accompanying drawing explanation
Fig. 1 is the structural representation in six square nuts to be measured and two side chain silk holes;
Fig. 2 is one-piece construction schematic diagram of the present utility model:
Fig. 3 is the structural representation of the utility model lock nut assembly;
Fig. 4-1 is the front view of the utility model blade;
Fig. 4-2 is the left view of the utility model blade;
Fig. 5-1 is the front view of the utility model chi frame;
Fig. 5-2 is the vertical view of the utility model chi frame.
Wherein, 1 is lock nut assembly; 2 is blade; 3 is nut; 4 is chi frame; 5 is stop screw; 6 is prod.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail:
The diametric requirements in nut lock silk hole is Φ D, Suo Sikong center to the dimensional requirement of six side's cusps is as shown in Figure 1 L, is A by the lock silk hole bus that calculates to the bus bar sizes of nut endoporus.See Fig. 2, the utility model is made up of lock nut assembly, blade, gib screw, chi frame, stop screw and measuring stick, blade is made and can be loaded and unloaded measurement bar type, blade can assemble canonical measure rod and fixed by lock nut assembly and blade, this kind of mode fast changeable or adjustment measuring stick length.The design of chi frame be head adopt with the same shape of six square nuts with the Nei Kajiao of 120 degree, be carved with a sulculus in centre, card angle so that measuring stick puts in and to zero, concrete:
The utility model comprises the graduated blade 2 of band, and is sleeved on the chi frame 4 on blade 2, and blade 2 and chi frame 4 are slidably matched; Chi frame 4 is provided with the nut 3 for being fixed with blade 2 by chi frame 4.The rear end of blade 2 is provided with for preventing chi frame 4 to slide the stop screw 5 come off.The front end of blade 2 arranges the mount pad protruded downwards, and what prod 6 was detachable is installed on mount pad; The diameter of prod 6 is less than or equal to six square nuts respectively and locks the diameter in a hole or the width of draw-in groove.As shown in Fig. 4-1 and Fig. 4-2, mount pad offers the through hole being parallel to blade length direction and the blind hole be connected perpendicular to blade length direction and with through hole; Prod 6 is placed in blind hole, and as shown in Figure 3, prod 6 is fixed with blade 2 by the lock nut assembly 1 be arranged in through hole.As shown in Fig. 5-1 and Fig. 5-2, the front lower portion of chi frame 4 is provided with the card base of part close contact to be measured for returning to zero and making the draw-in groove that prod 6 stretches into when returning to zero; When testing, prod 6 stretches in the lock silk hole of six square nut sides, the card base of chi frame 4 and six square nut close contacts.The opening of card base is set to 120 degree with six square nut close contacts.The length of cusp bottom draw-in groove of card base is the half of measuring stick 6 diameter.
Principle of the present utility model and the course of work:
As shown in Figure 2, the utility model is made up of 6 parts, is lock nut assembly 1, blade 2, nut 3, chi frame 4, stop screw 5, measuring stick 6 respectively.As shown in Figure 3, the effect of lock nut assembly 1 is fixed measuring stick 6 and blade 2, is convenient to the length of adjustment measuring stick 6 and more renews part.The effect of blade 2 is alignment measurement rod and fixes, and play the effect of blade, the effect of nut 3 is fixing blade 2 and chi frame 4, so that accurate reading.The effect of chi frame 4 coordinates with blade 2 to slide, and 120 degree of bayonet sockets above it can closely cooperate so that measure with six square nut part angles.The effect of stop screw 5 prevents from chi frame 4 from sliding to come off.
Before testing, pick-up unit needs zeroing, chi frame is provided with 120 degree of card bases and draw-in groove with feature contacts place, card base cusp is the half (D/2) of measuring stick diameter dimension to draw-in groove bottom size, during zeroing, slip chi frame makes itself and blade distance shrink, until fit in the draw-in groove face on measuring stick bus and chi frame, is the zero point of measurement mechanism.
During measurement, detection of fitting outside measuring stick and lock silk hole is of a size of Lmin, by fitting inside measuring stick and lock silk hole, detection is of a size of Lmax, and final lock silk hole wall is thick is of a size of (Lmin+Lmax)/2.
Above content is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, within the protection domain all falling into the utility model claims.
Claims (8)
1. the lock silk hole wall thickness detector on a square nut, it is characterized in that: comprise the graduated blade of band (2), and the chi frame (4) be sleeved on blade (2), blade (2) and chi frame (4) are slidably matched; The front end of blade (2) arranges the mount pad protruded downwards, and what prod (6) was detachable is installed on mount pad; The front lower portion of chi frame (4) is provided with the card base of part close contact to be measured and for returning to zero and making the draw-in groove that prod (6) stretches into when returning to zero; When testing, prod (6) stretches in the lock silk hole of six square nut sides, the card base of chi frame (4) and six square nut close contacts.
2. the lock silk hole wall thickness detector on six square nuts according to claim 1, is characterized in that: described chi frame (4) is provided with the nut (3) for being fixed with blade (2) by chi frame (4).
3. the lock silk hole wall thickness detector on six square nuts according to claim 1, is characterized in that: the diameter of described prod (6) is less than or equal to six square nuts respectively and locks the diameter in a hole or the width of draw-in groove.
4. the lock silk hole wall thickness detector on six square nuts according to claim 1 or 3, is characterized in that: the blind hole described mount pad offering the through hole being parallel to blade length direction and be connected perpendicular to blade length direction and with through hole; Prod (6) is placed in blind hole, and prod (6) is fixed with blade (2) by the lock nut assembly (1) be arranged in through hole.
5. the lock silk hole wall thickness detector on six square nuts according to claim 1 and 2, is characterized in that: the rear end of described blade (2) is provided with the stop screw (5) come off for preventing chi frame (4) from sliding.
6. the lock silk hole wall thickness detector on six square nuts according to claim 1 or 2 or 3, is characterized in that: the opening of described card base is set to 120 degree with six square nut close contacts.
7. the lock silk hole wall thickness detector on six square nuts according to claim 6, is characterized in that: the length of cusp bottom draw-in groove of described card base is the half of measuring stick (6) diameter.
8. the lock silk hole wall thickness detector on six square nuts according to claim 1 or 2 or 3, is characterized in that: the length of cusp bottom draw-in groove of described card base is the half of measuring stick (6) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653548.1U CN204286298U (en) | 2014-11-04 | 2014-11-04 | Lock silk hole wall thickness detector on a kind of six square nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653548.1U CN204286298U (en) | 2014-11-04 | 2014-11-04 | Lock silk hole wall thickness detector on a kind of six square nuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204286298U true CN204286298U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653548.1U Active CN204286298U (en) | 2014-11-04 | 2014-11-04 | Lock silk hole wall thickness detector on a kind of six square nuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204286298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532223A (en) * | 2021-07-21 | 2021-10-22 | 上海外高桥造船有限公司 | Cabin tail-end air pipe positioning device |
| CN114440742A (en) * | 2021-12-24 | 2022-05-06 | 河南航天精工制造有限公司 | Thread part safety hole edge distance measuring device |
-
2014
- 2014-11-04 CN CN201420653548.1U patent/CN204286298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532223A (en) * | 2021-07-21 | 2021-10-22 | 上海外高桥造船有限公司 | Cabin tail-end air pipe positioning device |
| CN114440742A (en) * | 2021-12-24 | 2022-05-06 | 河南航天精工制造有限公司 | Thread part safety hole edge distance measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
|
| CP03 | Change of name, title or address |