CN207622661U - A kind of aperture measurement device - Google Patents
A kind of aperture measurement device Download PDFInfo
- Publication number
- CN207622661U CN207622661U CN201721598542.9U CN201721598542U CN207622661U CN 207622661 U CN207622661 U CN 207622661U CN 201721598542 U CN201721598542 U CN 201721598542U CN 207622661 U CN207622661 U CN 207622661U
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- CN
- China
- Prior art keywords
- baseline
- measurement
- baseline rod
- extension
- slide rule
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of aperture measurement devices, its key points of the technical solution are that including measurement bay and the handle that is fixed on measurement bay, measurement bay includes three identical baseline rods, the slide rule and elastic component being slidably connected on each baseline rod, the angle that one end of three baseline rods is fixed between a central point and adjacent two baseline rod is 120 °, the glide direction of slide rule is parallel to the length direction of baseline rod connected to it, elastic component is set there are three identical and identical, it is separately positioned between slide rule and each baseline rod, elastic component is provided to slide rule to the power moved far from central point direction, multi-group data can disposably be measured.
Description
Technical field
The utility model is related to a kind of construction survey tool, more particularly to a kind of aperture measurement device.
Background technology
When in construction, especially pipeline is laid with, it is often necessary to carry out the measurement in aperture to the round hole held successfully.One
As be directly to be measured aperture using ruler or measured in the inside in hole using slide calliper rule.
But these modes are used, need the position for finding close tested bore dia by manual measurement just to can guarantee measurement
Precision.It needs manually to take multiple measurements and show that multi-group data is analyzed, operation is more complicated.
Utility model content
The purpose of this utility model is to provide a kind of aperture measurement device that can disposably measure multi-group data.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of aperture measurement device, including measurement bay and the handle that is fixed on measurement bay, measurement bay include three phases
Baseline rod together, the slide rule and elastic component being slidably connected on each baseline rod, one end of three baseline rods is fixed in a center
Angle between point and adjacent two baseline rod is 120 °, and the glide direction of slide rule is parallel to the length side of baseline rod connected to it
It sets there are three identical and identical, is separately positioned between slide rule and each baseline rod, elastic component is provided to slide rule to, elastic component
To the power moved far from central point direction.
By using above-mentioned technical proposal, the identical baseline rod of setting three constitutes measurement bay, and slide rule is far from central point
When one end is contacted with the inner wall of measured hole and baseline rod is vertical with the axis of measured hole, if each slide rule stretches out the length of baseline rod
All same, the then length that the length of baseline rod stretches out baseline rod plus slide rule are the radius of measured hole.Using identical spring,
When gage is connected on hole wall and is mutually considered in the case of External force interference, need identical elastic force that could keep balancing, at this time
The distance that slide rule skids off is identical, and central point can be quickly close to the center of measured hole.Three groups of measurements can disposably be obtained
Data.And the deviation of three groups of data is smaller.The pendulous frequency that gauger can be reduced mitigates the complicated degree of measurement.
Preferably, there are two measurement bay sets, the central point line of two measurement bays is vertical with the length direction of each baseline rod.
By using above-mentioned technical proposal, two measurement bays of setting constituted in measuring device two it is parallel to each other flat
Face, when two measurement bays are put into measured hole simultaneously, and when tending to stablize, the deflection of all springs on two measurement bays
Identical, circumferential size is identical determined by the distalmost end of two measurement bays, and because the central point line of two measurement bays with it is each
The length direction of baseline rod is vertical, therefore the line of central point is overlapped with the axis of measured hole, ensures the length and quilt of baseline rod
Gaging hole axis is vertical, effectively improves measurement accuracy, while can further increase the data volume of one-shot measurement acquisition.
Preferably, two measurement bay slidings are fixedly connected, and glide direction is parallel with the central point line of two measurement bays.
By using above-mentioned technical proposal, two measurement bays can be adjusted by two measurement bays are arranged sliding to be fixedly connected
Relative distance, convenient for according to practical hole depth and it is expected that pendulous frequency determines the relative distance of two measurement bays, can preferably advise
Draw measurement scheme, the case where measured hole different piece can be embodied by making each measurement data more.
Preferably, projection phase of the baseline rod in the plane perpendicular to two measurement bay central point lines on two measurement bays
Mutually it is staggered.
By using above-mentioned technical proposal, two measurement bays, which are staggered, to be convenient for user to observe the cunning on measurement bay farther out
Reading on ruler.Measurement bay can preferably embody when being moved in measured hole, the aperture situation of measured hole different location.
Preferably, the angle between two projections adjacent in baseline rod projection is 60 °.
By using above-mentioned technical proposal so that baseline rod can be parallel with the baseline rod on another measurement bay, makes its survey
Amount device entirety stress more balances.
Preferably, slide rule is connected with limit edge by pericenter one end, baseline rod is connected with gear edge far from central point one end；
When elastic parts is not by outer force effect, limit is abutted along with gear edge.
By using above-mentioned technical proposal, setting limit edge and gear along can to avoid slide rule elastic parts elastic force effect
Under slipped from baseline rod, contribute to maintain measuring device structural intergrity.
It is fixedly connected on fixed part preferably, baseline rod includes the fixed part being connect with other baseline rods and sliding
Extension, slide rule are arranged on extension, and the glide direction of extension is parallel with the glide direction of slide rule thereon.
By using above-mentioned technical proposal, baseline rod is set as telescopic, passes through this flexible change baseline rod
The pore diameter range that length can measure becomes larger, and improves its applicability.
Preferably, extension is marked with scale.
By using above-mentioned technical proposal, setting scale facilitates calculating is practical to survey convenient for the observation extended length of baseline rod
Measure length.
Preferably, being provided with Synchronization Component on baseline rod, Synchronization Component includes the cunning for being respectively and fixedly connected to each extension both sides
Bar and sliding sleeve, slide bar are connect with the sliding bar in adjacent extension portion, baseline rod and its upper slide bar and angle and with thereon
The angle of sliding sleeve is equal.
By using above-mentioned technical proposal, when one of extension is slided, the sliding sleeve and slide bar of both sides can divide
The slide bar and sleeve movement that Dai Dong not be slidably connected with it, therefore all extension synchronous slides may be implemented.Slide bar and expansion
The angle and sliding sleeve in exhibition portion are equal with the angle of extension, ensure that the sliding speed of all extensions is consistent.It keeps away
Bar is adjusted separately when adjustment-free baseline rod, operation can be simplified, and ensures the precision of adjustment.
Preferably, one of measurement bay baseline rod is equipped with locking device, locking device includes being threaded in admittedly
The handle determined the screw rod in portion and be fixed on screw rod.
By using above-mentioned technical proposal, screw rod, which is connected on extension, makes it fix, avoid extension in the measurements with
Meaning sliding, influences measurement accuracy.
In conclusion the utility model has the advantages that：
The length that the length of baseline rod stretches out baseline rod plus slide rule is the radius of measured hole, can once be measured multigroup
Data, it is possible to reduce the pendulous frequency of gauger mitigates the complicated degree of measurement；Applicability is good；The precision of adjustment is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of aperture measurement device；
Fig. 2 is the sectional view of measurement bay；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is the schematic diagram after extension is adjusted；
Fig. 5 is locked out the structural schematic diagram of device.
In figure, 1, measurement bay；11, baseline rod；111, fixed part；112, extension；113, sliding slot；114, slideway；12, sliding
Ruler；13, elastic component；14, locking device；141, stud；142, handle；15, edge is limited；16, edge is kept off；2, handle；3, center-pole；
4, centre bore；5, clamping screw；6, Synchronization Component；61, slide bar；62, sliding sleeve；7, boss.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of aperture measurement device, as shown in Figure 1, including two measurement bays 1 being mutually slidably connected and being fixed in it
In handle 2 on a measurement bay 1.
As shown in Fig. 2, measurement bay 1 includes three baseline rods 11 for being fixed in a bit, is slidably connected on each baseline rod 11
Slide rule 12 and three elastic components 13.
Three baseline rods 11 are identical, include the fixed part 111 being connect with other baseline rods 11 and with fixed part 111
The extension 112 being slidably connected.Fixed part 111 and extension 112 are rectangular rod.If three 11 fixed parts 111 of baseline rod
Junction center centered on point, the angle between two fixed part 111 of arbitrary neighborhood is 120 °.Fixed part 111 is far from center
One end of point is provided with cross section sliding slot 113 identical with 112 cross section of extension, the sliding in sliding slot 113 of extension 112.
In conjunction with shown in Fig. 3, extension 112 is provided on the end face far from central point to be arranged along 112 length direction of extension
Slideway 114, the sliding in slideway 114 of slide rule 12.Slide rule 12 is connected with compatible with 114 inner wall of slideway by pericenter side
Limit is along 15.The one end of slideway 114 far from central point is connected with cricoid gear along 16, and gear is adapted along 16 inner rings with slide rule 12.
Elastic component 13 uses spring, the both ends of elastic component 13 to be connected to limit respectively and lean on pericenter along 15 and slideway 114
End face on.Elastic component 13 is in compressive state always, and telescopic direction keeps parallel with the glide direction of slide rule 12.
As shown in Figure 1 and Figure 4, the shape, size of two measurement bays 1 are identical.Each fixation of one of measurement bay 1
The center that portion 111 connects is connected with center-pole 3, is provided with and center-pole 3 at the center of 1 each fixed part 111 of another measurement bay connection
Compatible centre bore 4, and slide and can not rotate on center-pole 3.The length direction of center-pole 3 and each fixed part 111
Length direction is vertical.Be connected on measurement bay 1 equipped with centre bore 4 with boss 7, be threaded on the boss 7 in
The clamping screw 5 that core bar 3 abuts.
Fig. 2 is reviewed, projection of the one of measurement bay 1 in the plane perpendicular to 3 length direction of center-pole is around center-pole 3
Length direction rotates 60 °, is completely superposed with the projection of another measurement bay 1 on the plane.
As shown in figure 4, being provided with Synchronization Component 6 on baseline rod 11, Synchronization Component 6 includes being respectively and fixedly connected to each extension
The slide bar 61 and sliding sleeve 62 of 112 both sides.All slide bars 61 and sliding sleeve 62 are in the same plane.It extension 112 and covers thereon
Angle and it is equal with the angle of its upper slide bar 61 be 30 °.61 sliding sleeve adjacent on another extension 112 of each slide bar
Sliding in 62.
In conjunction with shown in Fig. 4 and Fig. 5, the locking device 14 for locking each 112 position of extension is equipped on each measurement bay 1,
Locking device 14 includes the stud 141 being threaded on one of fixed part 111 and the handle being fixed on stud 141
142, screw rod has one end to be abutted with adjacent extension portion 112 far from handle 142.
The length direction of handle 2 is overlapped with the length direction of center-pole 3.The end face of extension 112 towards handle 2 is marked with
Scale.Scale on slide rule 12 is also towards 2 side of handle.
In use, by according to the spacing of two measurement bays 1 of length adjustment amount of measured hole, it is used in combination clamping screw 5 locked, root
The distance for skidding off fixed part 111 of extension 112 is adjusted according to the approximate diameter of measured hole, the entire length of baseline rod 11 is less than quilt
Gaging hole radius, 11 length of baseline rod in the length of nature and is more than tested pore radius with slide rule 12, and swing handle 142 makes
Stud 141 resists extension 112, and measurement bay 1 is inserted into measured hole by further compression elastic piece 13, and release keeps slide rule 12 natural
It is against on measured hole inner wall, the length that each slide rule 12 stretches out extension 112 is observed after its stabilization, note slide rule 12 stretches out extension
112 length, extension 112 stretch out the radius that the sum of the length of fixed part 111 and length of fixed part 111 are measured hole,
Obtain six groups of data.
This measuring device can be influenced when measuring lateral aperture and angling hole by gravity, and error is larger, when the elastic force of spring
When much larger than measuring device gravity itself, error is obviously reduced.Vertical holes error is smaller.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of aperture measurement device, it is characterised in that：Including measurement bay (1) and the handle being fixed on measurement bay (1)
(2), measurement bay (1) include three identical baseline rods (11), the slide rule (12) that is slidably connected on each baseline rod (11) and
Elastic component (13), the angle that one end of three baseline rods (11) is fixed between a central point and adjacent two baseline rod (11) are
120 °, the glide direction of slide rule (12) is parallel to the length direction of baseline rod connected to it (11), and elastic component (13) is equipped with three
It is a identical and identical, it is separately positioned between slide rule (12) and each baseline rod (11), elastic component (13) is carried to slide rule (12)
Feed to the power far from the movement of central point direction.
2. aperture measurement device according to claim 1, it is characterised in that：There are two measurement bay (1) is set, two measurement bays
(1) central point line is vertical with the length direction of each baseline rod (11).
3. aperture measurement device according to claim 2, it is characterised in that：Two measurement bay (1) slidings are fixedly connected, and
Glide direction is parallel with the central point line of two measurement bays (1).
4. aperture measurement device according to claim 2, it is characterised in that：Baseline rod (11) exists on two measurement bays (1)
Projection in the plane of two measurement bay (1) central point lines mutually staggers.
5. aperture measurement device according to claim 4, it is characterised in that：Two adjacent throwings in baseline rod (11) projection
Angle between shadow is 60 °.
6. aperture measurement device according to claim 1, it is characterised in that：Slide rule (12) is connected with by pericenter one end
Limit is connected with gear along (16) along (15), baseline rod (11) far from central point one end；When elastic parts is not by outer force effect, limit
Position is abutted with gear along (16) along (15).
7. aperture measurement device according to claim 1, it is characterised in that：Baseline rod (11) includes and other baseline rods
(11) fixed part (111) and sliding that connect are fixedly connected on the extension (112) on fixed part (111), and slide rule (12) is set
It sets on extension (112), the glide direction of extension (112) is parallel with the glide direction of slide rule thereon (12).
8. aperture measurement device according to claim 7, it is characterised in that：Extension (112) is marked with scale.
9. aperture measurement device according to claim 7, it is characterised in that：Baseline rod is provided with Synchronization Component on (11)
(6), Synchronization Component (6) includes being respectively and fixedly connected to the slide bar (61) and sliding sleeve (62) of each extension (112) both sides, slide bar (61) and
Slide bar (61) in adjacent extension portion (112) is slidably connected, baseline rod (11) and its upper slide bar (61) and angle and and its
The angle of upper sliding sleeve (62) is equal.
10. aperture measurement device according to claim 9, it is characterised in that：One of measurement bay (1) baseline rod
(11) it is equipped with locking device (14), locking device (14) includes being threaded in screw rod on fixed part (111) and affixed
Handle (142) on screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721598542.9U CN207622661U (en) | 2017-11-25 | 2017-11-25 | A kind of aperture measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721598542.9U CN207622661U (en) | 2017-11-25 | 2017-11-25 | A kind of aperture measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622661U true CN207622661U (en) | 2018-07-17 |
Family
ID=62823817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721598542.9U Expired - Fee Related CN207622661U (en) | 2017-11-25 | 2017-11-25 | A kind of aperture measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043415A (en) * | 2021-11-30 | 2022-02-15 | 中国铁建重工集团股份有限公司 | Indexing centering device |
-
2017
- 2017-11-25 CN CN201721598542.9U patent/CN207622661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043415A (en) * | 2021-11-30 | 2022-02-15 | 中国铁建重工集团股份有限公司 | Indexing centering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20201125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |