CN207540469U - For the survey tool in hole - Google Patents
For the survey tool in hole Download PDFInfo
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- CN207540469U CN207540469U CN201721248582.0U CN201721248582U CN207540469U CN 207540469 U CN207540469 U CN 207540469U CN 201721248582 U CN201721248582 U CN 201721248582U CN 207540469 U CN207540469 U CN 207540469U
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- survey tool
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Abstract
For the survey tool in hole, including scale, vernier, first, second stopple, first, second attachment device and at least one locating rod, scale includes scale label portion；Vernier is engaged on scale and can be moved on scale, including vernier graduation portion；Stopple has central axis and tapered outer profile, is connect by attachment device with scale and vernier；Locating rod extends to second end from first end, and first end is fixed on a part of survey tool, and second end has end face so that end face is parallel to scale label line and perpendicular to measurement plane.The survey tool of the utility model can be realized when pore size difference, by the way that scale, vernier is made to move in the height direction, realize that upper plane where lower face and the hole of locating rod be bonded, so as to ensure that the hole heart is parallel with scale away from direction, finally the realization device to hole heart away from measurement.
Description
Technical field
The utility model is related to a kind of survey tools of mechanical manufacturing field, and in particular to it is a kind of for hole, be specifically
The survey tool of the distance of heart distance, the hole heart to stile or to horizontal edge where hole.
Background technology
In modern civil aircraft field, on body, there are a large amount of fasteners for installing stringer, architrave and shearing cornual plate etc.
Part.To ensure the intensity of part, the distance between the distance of horizontal edge and adjacent holes have stringent where mounting hole to hole
It is required that；Simultaneously in view of the parts such as stringer there are fillet, to ensure the intensity requirement of part, when installation, need to ensure fastener body
The circular arc portion (Zone R) of part is not contacted, i.e., need to measure the mounting hole hole heart to the distance of stile.Therefore quality assurance person needs the device to hole heart
Away from and hole edge measured away from (distance of the hole heart to stile or to horizontal edge where hole).
For the hole heart on body away from measurement, the prior art can only measure the identical situation of Circularhole diameter, and on machine
Most different mounting hole of diameter, existing program can not also realize to the pores heart away from fast and accurate measurement.
For hole edge on body away from measurement, the prior art the measured hole heart to stile apart from when, positioning device need to be consolidated
The outside of stile is scheduled on, this requires the height of stile is smaller, and needs to ensure that enough spaces measure to place on the outside of stile
Tool, and in the case of the larger or stile outer space of stile height is limited, then it can not complete to measure.
To sum up, invent it is a kind of can the composite measurement hole heart away from, hole edge away from survey tool be highly desirable.
Utility model content
The first of the utility model is designed to provide a kind of survey tool, which can measure the hole heart to the hole heart
Distance.
The second of the utility model is designed to provide a kind of survey tool, which can measure the hole heart to stile
And the distance of horizontal edge where hole.
The utility model provides a kind of survey tool for hole, mainly including scale, vernier, the first stopple, second
Stopple, the first attachment device, the second attachment device and at least one locating rod, wherein：
The scale includes scale label portion；
The vernier is engaged on the scale and can be moved on the scale, and the vernier includes vernier graduation portion；
First stopple have the first central axis, and first stopple along first central axis far from institute
State on the direction of scale have tapered outer profile, first stopple by first attachment device telescopically with it is described
Scale is connected so that first central axis upright works as at least the one of first stopple in the scale label line
When part outer profile is with institute's gaging hole cooperation, first central axis passes through the hole heart of institute's gaging hole；
Second stopple have the second central axis, and second stopple along second central axis far from institute
State on the direction of vernier have tapered outer profile, second stopple by second attachment device telescopically with it is described
Vernier is connected so that second centerline axis parallel in first central axis, wherein, while comprising in described first
The plane of mandrel line and second central axis is parallel to the scale label line to measure plane, the measurement plane, and
When at least part outer profile of second stopple is with institute's gaging hole cooperation, second central axis passes through the hole of institute's gaging hole
The heart；
The locating rod extends to second end from first end, and the first end is fixed on a portion of the survey tool
Point, the second end has end face so that the end face is parallel to the scale label line and perpendicular to the measurement plane.
In the preferred embodiment of the utility model, the survey tool further includes shrinkage-rule, and the shrinkage-rule is equipped with
Scale, the shrinkage-rule can telescopically be attached to the scale along the scale label line direction.
In the preferred embodiment of the utility model, first attachment device is first connecting rod, and first stopple leads to
It crosses the first connecting rod with the scale to be connected, the side of the scale is equipped with cavity, and the cavity is built-in with spring, described
First connecting rod vertically moved by the spring in the cavity relative to the scale label line or
Second attachment device is second connecting rod, and second stopple is connected by the second connecting rod with the vernier
It connects, the side of the vernier is equipped with cavity, and the cavity is built-in with spring, and the second connecting rod passes through the institute in the cavity
Spring is stated to vertically move relative to the scale label line.
In the preferred embodiment of the utility model, the first connecting rod and the second connecting rod are equipped with sliding slot, and institute
State the caging bolt for being equipped in cavity and coordinating with the sliding slot.
In the preferred embodiment of the utility model, first stopple or second stopple are by least two parts group
Into when removing a portion, first stopple or second stopple expose positioning plane, first stopple or institute
The central axis of the second stopple is stated in the positioning plane, and the positioning plane is vertical with the measurement plane.
In the preferred embodiment of the utility model, the locating rod is being parallel in the plane for measuring plane from institute
It states first end and extends to the second end perpendicular to the scale label line.
In the preferred embodiment of the utility model, the survey tool includes two locating rods, i.e. master positioning bar and auxiliary
Locating rod is helped, the auxiliary positioning bar extends to second end from first end, and the first end is fixed on the survey tool
One part, the second end have end face so that when the second end of the master positioning bar is contacted with the surface where institute gaging hole
When, the second end of the auxiliary positioning bar is also contacted with the surface where institute gaging hole.
In the preferred embodiment of the utility model, the master positioning bar be relatively fixed with scale or
The auxiliary positioning bar is relatively fixed with the vernier.
In the preferred embodiment of the utility model, vernier trip bolt is installed on the vernier.
In the preferred embodiment of the utility model, shrinkage-rule trip bolt is installed on the scale.
The survey tool of the utility model solves when the aperture difference hole heart away from can not measure by simple structure
The problem of hole edge is away from that can not measure when problem or the larger and stile outer space of stile height limit.
Compared with existing survey tool, the advantageous effect of each preferred embodiment of the survey tool of the utility model is：
It can be achieved when pore size difference, by the way that scale, vernier is made to move in the height direction, realize the lower face and hole of locating rod
Plane is bonded on place, so as to ensure that the hole heart is parallel with scale away from direction, the final realization device to hole heart away from measurement；It is stretched by setting
Reduced scale, and outer end face can be moved to along scale direction in specific card slot in scale and be bonded with stile inner surface, it realizes to the hole
The heart is to the measurement of stile distance；It is convenient to measure, practical reliable.
Description of the drawings
The purpose of this utility model, feature and advantage can be by below in conjunction with the accompanying drawings to the detailed description of embodiment and more
Understand well, in attached drawing：
Fig. 1 be it is according to the present utility model for heart distance and hole edge away from the front of embodiment of survey tool stand
Body schematic diagram；
Fig. 2 be it is according to the present utility model for heart distance and hole edge away from the facing for embodiment of survey tool show
It is intended to；
Fig. 3 be it is according to the present utility model for heart distance and hole edge away from the front of embodiment of survey tool cut open
View；
Fig. 4 be it is according to the present utility model for heart distance and hole edge away from survey tool embodiment scale
Schematic elevation view；
Fig. 5 be it is according to the present utility model for heart distance and hole edge away from survey tool embodiment vernier
Schematic elevation view；
Fig. 6 be it is according to the present utility model for heart distance and hole edge away from survey tool embodiment connecting rod
Schematic elevation view；
Fig. 7 be it is according to the present utility model for heart distance and hole edge away from survey tool embodiment connecting rod
Along the schematic cross-sectional view of the line A-A in Fig. 6；
Fig. 8 be using it is according to the present utility model for heart distance and hole edge away from the embodiment of survey tool survey
The metering-orifice heart away from schematic diagram, the aperture of two of which institute gaging hole is different；
Fig. 9 be using it is according to the present utility model for heart distance and hole edge away from the embodiment of survey tool survey
The metering-orifice heart to horizontal edge where hole hole edge away from schematic diagram；
Figure 10 be using it is according to the present utility model for heart distance and hole edge away from survey tool embodiment come
The measured hole heart to stile hole edge away from schematic diagram.
Reference numerals list
1 first stopple
2 second stopples
3 scales
4 verniers
5 first connecting rods
6 second connecting rods
7 master positioning bars
8 auxiliary positioning bars
9 shrinkage-rules
10 springs
11 caging bolts
12 vernier trip bolts
13 shrinkage-rule trip bolts
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but is not intended as to this practicality
The novel foundation for doing any restrictions.
Hereafter in description, the hole heart away from measurement refer to two holes that end face is located in the same or plane that is mutually parallel
Two parallel central axis between distance measurement, hole edge away from measurement refer in the hole that end face is located in plane
Mandrel line to the edge of plane where hole or relative to plane where hole stile distance measurement.Usually, Kong Kewei justifies
Shape, it should be appreciated that hole may be centrosymmetric other shapes, such as square, diamond shape etc..And wherein, it is flat residing for hole
Face is interpreted as the plane with the central axis upright in hole.Herein involved hole generally have constant cross sectional shape or
There is constant cross sectional shape at least in a part of section, and the central axis in hole is generally straight line or central axis in institute
At least part of measuring point is straight.In addition, the hole heart away from measurement in, two parallel central axis are limited flat
Face, which is referred to as, measures plane, and hole edge away from measurement in, the distance that a central axis and the institute gaging hole heart are extremely surveyed to side is limited
Fixed plane, which is referred to as, measures plane.
In fig. 1-3, show preferred embodiment according to the present utility model one kind can the composite measurement hole heart away from and hole
The survey tool of back gauge.Below in conjunction with Fig. 1-3 and other accompanying drawings to be used for heart distance and hole edge away from survey tool it is excellent
Embodiment is selected to be described.
The survey tool includes scale 3 and vernier 4.With reference to figure 4, scale 3 includes scale label portion, in scale label portion
It is carved with the scale label line along lineal layout.Vernier 4 is mounted on scale 3 and is engaged with 3 translational motion of scale.Reference chart
5, vernier 4 includes vernier graduation portion, and the vernier graduation line that can coordinate reading with scale label line is carved in vernier graduation portion.
In preferred embodiment, vernier trip bolt 12 can be installed on vernier 4, it, can be by vernier 4 by screwing vernier trip bolt 12
Lock the specific position on scale 3, consequently facilitating reading.
The survey tool further includes the first stopple 1 and the second stopple 2.Although do not require the first stopple 1 and the second stopple 2 complete
It is exactly the same, but the two can have similar setting, so below for simplicity, illustrated only for the first stopple 1.Such as figure
Shown in 1-3, the first stopple 1 is at least partly in cone.In general, the first stopple 1 has the first central axis, and
First stopple 1 has tapered outer profile along direction of first central axis far from scale 3, and the first stopple 1 passes through first
Attachment device is telescopically connected with scale 3 so that the first central axis upright works as the first stopple 1 in scale label line
At least part outer profile and institute's gaging hole or during the cooperation of surveyed side, the first central axis is across the hole heart of institute's gaging hole or with being surveyed
While intersect.In preferred embodiment shown in the accompanying drawings, the first stopple 1 is cone.It should be understood that 1 mian part of the first stopple
Point ground have cone can just meet the hole heart between hole to different pore size away from measurement.The first stopple 1 can also be to cut as a result,
Head cone, cone and cylindrical piecewise combination, cone and prismatic piecewise combination etc..In order to meet hole edge away from
Measurement demand, particularly hole central axis to the measurement at the distance between the edge of plane where hole, particularly, such as join
It examines shown in Fig. 9, the first stopple 1 or the second stopple 2 are half cone-shaped stopple, and half cone-shaped stopple has to hang down with measuring plane
The straight and plane parallel with the moving direction of the first stopple.In this case, half cone-shaped stopple still partly has circular cone
Shape, with meet the hole heart away from measurement.Usually, the first stopple 1 has the first plane so that the first central axis is in the first plane
In, and the first plane is vertical with measuring plane.Alternatively, the first stopple 1 or the second stopple 2 can be made of at least two parts, when
When removing a portion, the first stopple 1 or second stopple 2 expose positioning plane, the first stopple 1 or the second stopple 2
Central axis is in the positioning plane, and the positioning plane is vertical with the measurement plane.
As shown in the drawing with known in the common sense of those skilled in the art, the circular cone of the first stopple 1 and the second stopple 2
The smallest cross-sectional of shape should be not more than the aperture of institute's gaging hole, and the maximum cross-section of the cone of the first stopple 1 and the second stopple 2 should not
Less than the aperture of institute's gaging hole.
In preferred embodiment as illustrated in fig. 1-3, the first connecting rod 5 of the first stopple 1 and survey tool coordinates, and
It is connected by first connecting rod 5 on the direction of scale label line with scale 3, and the center of the first stopple 1 to movement
Axis is perpendicular to the scale label line.Similarly, the second connecting rod 6 of the second stopple 2 and survey tool coordinates, so as to
Mobile ground is connected, and the centerline axis parallel of the second stopple 2 with vernier 4 on the parallel direction of the moving direction of first stopple 1
In the moving direction of the first stopple 1.First connecting rod 5 and second connecting rod 6 shown in figure are only the first stopple 1 and the second stopple 2
Respectively with a kind of connection mode of scale 3 and vernier 4, in order to realize the desired movement of the first stopple 1 and the second stopple 2, go back
Other various common connection modes can be envisaged.
Further, in preferred embodiment as illustrated in fig. 1-3, the side of scale 3 and vernier 4 can be equipped with cavity,
Spring 10 can be equipped in cavity, and first connecting rod 5 and second connecting rod 6 can pass through the spring in the cavity of scale 3 and vernier 4 respectively
10 vertically move relative to scale label line.
Equally in preferred embodiment as illustrated in fig. 1-3, sliding slot can be equipped on first connecting rod 5 and second connecting rod 6,
And the caging bolt 11 coordinated with sliding slot can be equipped in cavity.Thus, bootable first connecting rod 5 and second connecting rod 6 are distinguished
Movement in the cavity of scale 3 and vernier 4 can also limit first connecting rod 5 and second connecting rod 6 by the sliding slot end of closing
Limit shift position in the cavity of scale 3 and vernier 4 respectively.
Preferably, the first stopple 1 and the second stopple 2 can be connected through a screw thread solid with first connecting rod 5 and second connecting rod 6 respectively
It is fixed.For the ease of reading, may further be provided by the cross-section center of the first stopple 1 and the second stopple 2 respectively with scale 3 and
The zero graduation line alignment of vernier 4.
Survey tool further includes master positioning bar 7, and master positioning bar 7 is measured from being fixed on being parallel in the plane for measuring plane
The first end of tool rises extends to second end perpendicular to scale label line, and second end has end face, which is parallel to scale quarter
Spend line and perpendicular to measurement plane.It should be understood that master positioning bar 7 is used to ensure the direction of scale label line and institute's gaging hole place
Plane it is parallel and for ensureing that the central axis of the first stopple 1 and the second stopple 2 is vertical with the plane where institute gaging hole, so
What is worked is actually the second end of master positioning bar 7, and those skilled in the art can select the shape of master positioning bar 7 according to demand
Shape, material and with the connection mode of survey tool etc..In a preferred embodiment, master positioning bar 7 can be by screw thread with surveying
Amount tool is relatively fixed.In a preferred embodiment, master positioning bar 7 is securable on the scale 3 of survey tool.
In a preferred embodiment, survey tool may also include auxiliary positioning bar 8, and auxiliary positioning bar 8 is being parallel to measurement
In the plane of plane second end, auxiliary positioning bar are extended to perpendicular to scale label line from the first end for being fixed on survey tool
8 are set so that when the second end of master positioning bar 7 is contacted with the surface where institute gaging hole, the second end of auxiliary positioning bar 8 also with
Surface contact where institute's gaging hole.For example, when institute's gaging hole is located in identical plane, master positioning bar 7, auxiliary positioning bar 8
It the end face of second end should be coplanar.In a preferred embodiment, auxiliary positioning bar 8 can be opposite with survey tool solid by screw thread
It is fixed.In order to ensure the precision measured, it is contemplated that by auxiliary positioning bar 8 and 7 setting spaced a distance of master positioning bar.In order to
It can also be positioned using during half cone-shaped stopple measured hole back gauge by auxiliary positioning bar, it is contemplated that be also provided with auxiliary positioning bar 8
On scale 3.For the improved stress of survey tool, auxiliary positioning bar 8 is securable on the vernier 4 of survey tool.Although
Illustrate only on survey tool a piece auxiliary positioning bar 8 of setting in attached drawing, but skilled person will also understand that arrive, in order to
Convenient for scale label line relative to the positioned parallel of plane residing for institute's gaging hole, it is also contemplated that setting is more than an auxiliary positioning bar 8.
In preferred embodiment as shown in Figure 10, to realize measurement of the device to hole heart to stile distance, on survey tool
It is provided with shrinkage-rule 9.Shrinkage-rule 9 is equipped with scale, and shrinkage-rule 9 can movably be attached to scale 3 along scale label line direction.
In specific preferred embodiment as shown in fig. 10, shrinkage-rule 9 is placed in the special sliding slot of scale 3, so as to be carved along scale
Spend direction movement.In order to which shrinkage-rule 9 is fixed relative to scale 3, shrinkage-rule trip bolt 13 can be provided on scale 3.It is right
The measurement of the stile of the common plane where the hole in engineering practice, it is also contemplated that in one end of shrinkage-rule 9 setting with
The matched end face of stile, it is parallel with the plane where hole to preferably keep the scale label line of survey tool.On shrinkage-rule 9
Scale can be equipped with, so as to directly coordinate reading with scale.But it is also contemplated that shrinkage-rule 9 and vernier 4 is affixed so that shrinkage-rule 9
It is moved together with vernier 4, so as to realize more accurate reading by the cooperation of vernier graduation line and scale label line, in this feelings
Under condition, shrinkage-rule 9 is integrated with vernier 4 when measuring, and the scale of shrinkage-rule 9 can be provided only on vernier 4.
Below in conjunction with Fig. 8-10, illustrate using survey tool according to the present utility model come heart distance
With hole edge away from process.
Before measurement, first scale is carried out compared with zero.
As shown in Figure 8, during heart distance, vernier is adjusted roughly according to the approximate distance between two measured holes first
4 position on scale 3 so that the first stopple 1, the second stopple 2 at least part can enter in two measured holes.Then,
Apply suitable power to scale 3, vernier 4 with compressed spring 10, therebetween, 4 position of vernier can be finely tuned relative to scale 3.It should
Step proceeds to until master positioning bar 7, (if provided, with if) auxiliary positioning bar 8 second end end face simultaneously or separately with two
Plane fitting where a measured hole, and the first stopple 1, the conical external surface of the second stopple 2 and the end face of two measured holes are complete
Full fitting.At this point, vernier trip bolt 12 can be tightened, to fix reading.Finally, reading is carried out to survey tool, is as a result
The hole heart away from.
As shown in Figure 9, the measured hole heart to horizontal edge where hole apart from when, first, before the second stopple 2 is changed to
Semicircle coniform hole plug is stated, and the first stopple 1 is placed in measured hole.Later, compressed spring 10 make master positioning bar 7, (if provided, with
If) end face of the second end of auxiliary positioning bar 8 is bonded with the plane where measured hole, and by the plane and quilt of half-conical stopple
Survey plane fitting.At this point, vernier trip bolt 12 can be tightened, to fix reading.Finally, reading is carried out to survey tool, as a result
As hole edge away from.
As shown in Figure 10, the measured hole heart to stile apart from when, the first stopple 1 is placed in measured hole, compressed spring
10 make the end face of second end of master positioning bar 7, (if provided, with if) auxiliary positioning bar 8 be bonded with the plane where measured hole,
And along scale moving telescopic ruler 9, until shrinkage-rule 9 is bonded with tested stile, such as make the end face of shrinkage-rule 9 and tested stile
Inner surface is bonded.At this point, shrinkage-rule trip bolt 13 can be tightened, to fix reading.Finally, to survey tool reading, as a result it is
For hole edge away from.
It is to be understood that although this specification is located at only for two holes surveyed on same level for brevity
Situation is described, as long as it is understood by one of ordinary skill in the art that reasonably selecting the length of each locating rod, according to this practicality newly
The survey tool of type can be used for measure be located at the different planes being mutually parallel in hole the hole heart away from.
The design of the utility model is explained in detail above in association with specific preferred embodiment, however for this field
For those of ordinary skill, further modifications and variations in the utility model conception range will it is to be understood that these
Modification and variation are all fallen in the protection domain of the appended claims.
Claims (10)
1. a kind of survey tool for hole, mainly including scale (3), vernier (4), the first stopple (1), the second stopple (2),
One attachment device, the second attachment device and at least one locating rod (7), wherein：
The scale (3) includes scale label portion；
The vernier (4) is engaged on the scale (3) and can be moved on the scale (3), and the vernier (4) is including vernier
Scale portion；
First stopple (1) has the first central axis, and first stopple (1) is separate along first central axis
There is tapered outer profile, first stopple (1) is scalable by first attachment device on the direction of the scale (3)
Ground is connected with the scale (3) so that first central axis upright works as first hole in the scale label line
When filling at least part outer profile of (1) with institute's gaging hole cooperation, first central axis passes through the hole heart of institute's gaging hole；
Second stopple (2) has the second central axis, and second stopple (2) is separate along second central axis
There is tapered outer profile, second stopple (2) is scalable by second attachment device on the direction of the vernier (4)
Ground is connected with the vernier (4) so that second centerline axis parallel in first central axis, wherein, wrap simultaneously
Plane containing first central axis and second central axis is parallel to the mark to measure plane, the measurement plane
Ruler graduation mark, and when at least part outer profile of second stopple (2) is with institute's gaging hole cooperation, second central axis
Across the hole heart of institute's gaging hole；
The locating rod (7) extends to second end from first end, and the first end is fixed on a portion of the survey tool
Point, the second end has end face so that the end face is parallel to the scale label line and perpendicular to the measurement plane.
2. the survey tool according to claim 1 for hole, which is characterized in that
The survey tool further includes shrinkage-rule (9), and the shrinkage-rule (9) is equipped with scale, and the shrinkage-rule (9) can be along described
Scale label line direction is telescopically attached to the scale (3).
3. the survey tool according to claim 1 for hole, which is characterized in that
First attachment device is first connecting rod (5), and first stopple (1) passes through the first connecting rod (5) and the mark
Ruler (3) is connected, and the side of the scale (3) is equipped with cavity, and the cavity is built-in with spring (10), the first connecting rod (5)
Vertically moved by the spring (10) in the cavity relative to the scale label line or
Second attachment device is second connecting rod (6), and second stopple (2) passes through the second connecting rod (6) and the trip
Mark (4) is connected, and the side of the vernier (4) is equipped with cavity, and the cavity is built-in with spring (10), and the second connecting rod
(6) it is vertically moved by the spring (10) in the cavity relative to the scale label line.
4. the survey tool according to claim 3 for hole, which is characterized in that
The first connecting rod (5) and the second connecting rod (6) are equipped with sliding slot, and are equipped in the cavity and coordinate with the sliding slot
Caging bolt (11).
5. the survey tool according to claim 1 for hole, which is characterized in that
First stopple (1) or second stopple (2) are made of at least two parts, described when removing a portion
First stopple (1) or second stopple (2), which expose, positions plane, in first stopple (1) or second stopple (2)
Mandrel line is in the positioning plane, and the positioning plane is vertical with the measurement plane.
6. the survey tool according to claim 1 for hole, which is characterized in that
The locating rod (7) is being parallel in the plane for measuring plane from the first end perpendicular to the scale label
Line extends to the second end.
7. the survey tool according to claim 1 for hole, which is characterized in that
The survey tool includes two locating rods, i.e. master positioning bar (7) and auxiliary positioning bar (8), the auxiliary positioning bar (8)
Second end is extended to from first end, the first end is fixed on a part of the survey tool, and the second end has
End face so that when the second end of the master positioning bar (7) is contacted with the surface where institute gaging hole, the auxiliary positioning bar (8)
Second end also contacted with the surface where institute gaging hole.
8. the survey tool according to claim 7 for hole, which is characterized in that
The master positioning bar (7) be relatively fixed with scale (3) or
The auxiliary positioning bar (8) is relatively fixed with the vernier (4).
9. the survey tool according to claim 1 for hole, which is characterized in that
Vernier trip bolt (12) is installed on the vernier (4).
10. the survey tool according to claim 2 for hole, which is characterized in that
Shrinkage-rule trip bolt (13) is installed on the scale (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248582.0U CN207540469U (en) | 2017-09-27 | 2017-09-27 | For the survey tool in hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248582.0U CN207540469U (en) | 2017-09-27 | 2017-09-27 | For the survey tool in hole |
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| CN207540469U true CN207540469U (en) | 2018-06-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108917528A (en) * | 2018-07-13 | 2018-11-30 | 安徽悦众车身装备有限公司 | A kind of two center of circle error-detecting cubing of piston of automobile connecting rod |
| CN110455146A (en) * | 2019-08-26 | 2019-11-15 | 六安职业技术学院 | A kind of two hole centers measurement apparatus |
| CN111521092A (en) * | 2020-04-03 | 2020-08-11 | 中国航发哈尔滨东安发动机有限公司 | Method for detecting wall thickness of aviation case |
| CN112504073A (en) * | 2020-12-08 | 2021-03-16 | 贵州龙飞航空附件有限公司 | Measuring device and measuring method for box type special-shaped holes |
| CN112504073B (en) * | 2020-12-08 | 2022-06-24 | 贵州龙飞航空附件有限公司 | Measuring device and measuring method for box type special-shaped holes |
| CN113945132A (en) * | 2021-10-13 | 2022-01-18 | 中车唐山机车车辆有限公司 | Detection ruler rod |
| CN113945132B (en) * | 2021-10-13 | 2023-09-26 | 中车唐山机车车辆有限公司 | Detection ruler rod |
| CN117308743A (en) * | 2023-11-30 | 2023-12-29 | 中建八局第一建设有限公司 | Mounting hole calibration measurement device suitable for lifting equipment installation |
| CN117308743B (en) * | 2023-11-30 | 2024-02-13 | 中建八局第一建设有限公司 | Mounting hole calibration measurement device suitable for lifting equipment installation |
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