CN208984070U - Arc levelling rod - Google Patents
Arc levelling rod Download PDFInfo
- Publication number
- CN208984070U CN208984070U CN201821951244.8U CN201821951244U CN208984070U CN 208984070 U CN208984070 U CN 208984070U CN 201821951244 U CN201821951244 U CN 201821951244U CN 208984070 U CN208984070 U CN 208984070U
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- China
- Prior art keywords
- elastic piece
- column
- foot bar
- level
- air level
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 20
- 238000005259 measurement Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses an arc leveling rod, which comprises a rod; the elastic sheet is in a strip shape; the adjusting column is vertically connected with the ruler rod and assembled with a threaded hole in the ruler rod through a thread section of the adjusting column, the adjusting column comprises a central adjusting column and two end adjusting columns, the adjusting columns are simultaneously connected with the elastic sheet, and the connecting positions of the end adjusting columns, the ruler rod and the elastic sheet are respectively positioned on two sides of the connecting position of the central adjusting column, the ruler rod and the elastic sheet; the level bubble comprises a first level bubble which is positioned on the adjusting column and arranged in parallel with the adjusting column, and a second level bubble which is positioned on the ruler rod and arranged in parallel with the ruler rod. Adopt this utility model thereby each regulation post of knob changes the crooked degree of flexure strip to adapt to the measured plane contact of different shapes, the commonality is strong, flexure strip and measured plane direct contact, and the accuracy is high.
Description
Technical field
The utility model relates to measuring tool fields, and in particular to a kind of arc levelling rod.
Background technique
The measurement of the level is the difference of height for measuring a certain position difference, measures the levelness of certain one side, but some are special
Under different operating condition, the face shape for needing to measure levelness is special, and the space that do not put for the levelling rod of traditional straight section does not have, so
The levelness for measuring this face has become problem.
Utility model content
Problem to be solved in the utility model is to provide a kind of arc levelling rod, be changed by each adjustable column of knob
Become the bending degree of elastic piece, versatile to adapt to tested plane contact of different shapes, elastic piece and tested plane are direct
Contact, accuracy are high.
To solve the above problems, the utility model provides a kind of arc levelling rod, in order to achieve the above objectives, the utility model
Solving technical solution used by its technical problem is:
A kind of arc levelling rod, comprising: foot bar；Elastic piece, it is in long strip；Adjustable column, vertical with foot bar to connect, adjustable column
By the threaded hole assembly on itself thread segment and foot bar, adjustable column includes that a center adjustment column and two butt heads are adjusted
Column, adjustable column are connect with elastic piece simultaneously, and the link position of end adjustable column and foot bar, elastic piece is located at center adjustment column
With the two sides of foot bar, the link position of elastic piece；Air level, including being located at first on adjustable column and with adjustable column parallel arrangement
Air level further includes steeping in foot bar and with the second level of foot bar parallel arrangement.
Beneficial effect by adopting the above technical scheme is: elastic piece is responsible for and the measuring point of surveyed plane contact, leads to
Each adjustable column of knob is crossed to change the deformation bending degree of elastic piece, it is versatile to adapt to measurement plane of different shapes.
Foot bar facilitates personnel to grasp, and also provides fixed position for adjustable column.The first air level, the second level bubble are in horizontal plane simultaneously
It is inside mutually perpendicular to, as two square crossing straight lines determine a plane, it is ensured that elastic piece measures the accurate of plane levelness
Property.
When elastic piece is convexly curved as a further improvement of the utility model, it is parallel to the only space of elastic piece
Straight line is vertical with the space plane where the first air level, the second level bubble length direction.
Beneficial effect by adopting the above technical scheme is: guaranteeing that both the first air level, the second level bubble can limit bullet
The lower edges along length direction of property piece coincide in space level face, improve the accuracy of measurement.
As the further improvement of the utility model, the equal length of two butt head adjustable columns and it is longer than center adjustment column
Length, the own axes of center adjustment column pass through foot bar, the geometric center of elastic piece.
Beneficial effect by adopting the above technical scheme is: curved shape needed for elastic piece determines that center adjustment column is not necessarily to
Too long, the fixation position of center adjustment column ensure that finally curved profile is the song for having centre symmetry line to elastic piece
Line.
As the further improvement of the utility model, end adjustable column, center adjustment column own axes coincide with together
One space plane, two butt head adjustable columns are distinguished equal at a distance from center adjustment column.
Beneficial effect by adopting the above technical scheme is: can when guaranteeing adjustable column during knob to the change of elastic piece
Control, so that the bending state of similar one section of camber line is finally all presented in elastic piece.
As the further improvement of the utility model, end adjustable column, center adjustment column are deviating from one of elastic piece
Has expansion-head.
Beneficial effect by adopting the above technical scheme is: expansion-head facilitates personnel and twists adjustable column manually, facilitates adjusting
The rotary fine adjustment of column.
As the further improvement of the utility model, foot bar is also equipped with third air level, the length side of third air level
To with the first air level, the second level bubble length direction where space plane it is vertical.
Beneficial effect by adopting the above technical scheme is: third bubble has widened measurement range, can also determine to survey and put down
Whether face is vertical vertical state.
As the further improvement of the utility model, foot bar is also equipped with the 4th air level, the length side of the 4th air level
To steeped with the second level, the length direction of third air level coincides with the same space plane, the length direction of the 4th air level with
The second level steeps, the angle of the length direction of third air level is 45 °.
Beneficial effect by adopting the above technical scheme is: the 4th bubble has widened measurement range, can also determine special flat
Whether face is 45 °.
As the further improvement of the utility model, foot bar is the aluminum profile that cross section is square shape.
Beneficial effect by adopting the above technical scheme is: the aluminum profile of square shape makes foot bar have certain rigidity, prevents
Only its own is bent, and relative weight is again relatively light, while guaranteeing that threaded hole has certain axial length, guarantees adjustable column and foot bar
Stability after assembly.
As the further improvement of the utility model, each side of elastic piece is line segment or plane curve.
Beneficial effect by adopting the above technical scheme is: guaranteeing that the edge of elastic piece can paste completely with the plane surveyed
It closes, guarantees the accuracy of measurement.Even if elastic piece is in different crooked radian, the edge of bottom is still one section of plane curve.
As the further improvement of the utility model, elastic piece is the stainless steel substrates that thickness is not more than 0.5mm.
Beneficial effect by adopting the above technical scheme is: stainless steel substrates are easy to process, and service life is long, and the elasticity of flexure is also fitted
In.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of perspective view of embodiment of the utility model；
Fig. 2 is a kind of perspective view of embodiment of the utility model；
Fig. 3 is a kind of application schematic diagram of embodiment of the utility model.
1- foot bar；2- center adjustment column；The end 3- adjustable column；4- expansion-head；5- thread segment；6- elastic piece；The first water of 7-
Quasi- bubble；8- the second level bubble；9- third air level；The 4th air level of 10-.
Specific embodiment
Combined with specific embodiments below, the content of the utility model is described in further detail:
In order to reach the purpose of this utility model, a kind of arc levelling rod, comprising: foot bar 1；Elastic piece 6, it is in long strip；
Adjustable column, vertical with foot bar 1 to connect, the threaded hole on thread segment 5 and foot bar 1 that adjustable column passes through itself assembles, adjustable column packet
A center adjustment column 2 and two butt head adjustable columns 3 are included, adjustable column is connect with elastic piece 6 simultaneously, end adjustable column 3 and foot bar
1, the link position of elastic piece 6 is located at the two sides of center adjustment column 2 with foot bar 1, the link position of elastic piece 6；Air level,
It further include in foot bar 1 and flat with foot bar 1 including being located at the first air level 7 on adjustable column and with adjustable column parallel arrangement
The second level bubble 8 of row arrangement.
Beneficial effect by adopting the above technical scheme is: elastic piece is responsible for and the measuring point of surveyed plane contact, leads to
Each adjustable column of knob is crossed to change the deformation bending degree of elastic piece, it is versatile to adapt to measurement plane of different shapes.
Foot bar facilitates personnel to grasp, and also provides fixed position for adjustable column.The first air level, the second level bubble are in horizontal plane simultaneously
It is inside mutually perpendicular to, as two square crossing straight lines determine a plane, it is ensured that elastic piece measures the accurate of plane levelness
Property.
In other embodiments of the utility model, when elastic piece 6 is convexly curved, it is parallel to elastic piece 6 only
One space line is vertical with the space plane where the first air level 7,8 length directions of the second level bubble.
When center adjustment column 2,3 own axes of end adjustable column are also convexly curved with elastic piece 6, it is parallel to elastic piece 6
Only space straight line it is vertical.Center adjustment column 2 and 6 one of elastic piece are fixed, and end adjustable column 3 and elastic piece 6 are to pass through hinge
What chain was fixed, when hinge own axes and elastic piece 6 are convexly curved, it is parallel to the only space straight line parallel of elastic piece 6.
Beneficial effect by adopting the above technical scheme is: guaranteeing that both the first air level, the second level bubble can limit bullet
The lower edges along length direction of property piece coincide in space level face, improve the accuracy of measurement.
In other embodiments of the utility model, the equal length of two butt head adjustable columns 3 and it is longer than center tune
The own axes of the length of segmented column 2, center adjustment column 2 pass through foot bar 1, the geometric center of elastic piece 6.
As shown in Figure 1, the need one of the first air level 7, are fixed on one of them end adjustable column 3, the first level
The position of bubble 7 is one end far from foot bar 1.
Beneficial effect by adopting the above technical scheme is: curved shape needed for elastic piece determines that center adjustment column is not necessarily to
Too long, the fixation position of center adjustment column ensure that finally curved profile is the song for having centre symmetry line to elastic piece
Line.
In other embodiments of the utility model, the own axes coincidence of end adjustable column 3, center adjustment column 2
In the same space plane, two butt head adjustable columns 3 are distinguished equal at a distance from center adjustment column 2.
Beneficial effect by adopting the above technical scheme is: can when guaranteeing adjustable column during knob to the change of elastic piece
Control, so that the bending state of similar one section of camber line is finally all presented in elastic piece.
In other embodiments of the utility model, end adjustable column 3, center adjustment column 2 are away from elastic piece 6
One has expansion-head 4.
Fig. 2 compares Fig. 1, and adjustable column 3 relative resilient piece 6 in end screws out, and the radius of curvature of the elastic piece 6 in Fig. 2 is greater than Fig. 1
In elastic piece 6 radius of curvature.Fig. 3 is then demonstrated by arc levelling rod to the measuring state of particular plane.
Beneficial effect by adopting the above technical scheme is: expansion-head facilitates personnel and twists adjustable column manually, facilitates adjusting
The rotary fine adjustment of column.
In other embodiments of the utility model, foot bar 1 is also equipped with third air level 9, the length of third air level 9
It is vertical with the space plane where the first air level 7,8 length directions of the second level bubble to spend direction.
Beneficial effect by adopting the above technical scheme is: third bubble has widened measurement range, can also determine to survey and put down
Whether face is vertical vertical state.
In other embodiments of the utility model, foot bar 1 is also equipped with the 4th air level 10, the 4th air level 10
The length direction of length direction and the second level bubble 8, third air level 9 coincides with the same space plane, the 4th air level 10
It is 45 ° that length direction and the second level, which steep the angle of the length direction of 8, third air level 9,.
Beneficial effect by adopting the above technical scheme is: the 4th bubble has widened measurement range, can also determine special flat
Whether face is 45 °.
In other embodiments of the utility model, foot bar 1 is the aluminum profile that cross section is square shape.
Beneficial effect by adopting the above technical scheme is: the aluminum profile of square shape makes foot bar have-fixed rigidity, prevents
Its own bending, relative weight is again relatively light, while guaranteeing that threaded hole has certain axial length, guarantees that adjustable column and foot bar fill
Stability after matching.
In other embodiments of the utility model, each side of elastic piece 6 is line segment or plane curve.
Beneficial effect by adopting the above technical scheme is: guaranteeing that the edge of elastic piece can paste completely with the plane surveyed
It closes, guarantees the accuracy of measurement.Even if elastic piece is in different crooked radian, the edge of bottom is still one section of plane curve.
In other embodiments of the utility model, elastic piece 6 is the stainless steel substrates that thickness is not more than 0.5mm.
Beneficial effect by adopting the above technical scheme is: stainless steel substrates are easy to process, and service life is long, and the elasticity of flexure is also fitted
In.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and be implemented, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (10)
1. a kind of arc levelling rod characterized by comprising
Foot bar；
Elastic piece, it is in long strip；
Adjustable column, vertical with foot bar to connect, the threaded hole assembly on the thread segment and foot bar that the adjustable column passes through itself are described
Adjustable column includes that a center adjustment column and two butt head adjustable columns, the adjustable column are connect with elastic piece simultaneously, the end
Adjustable column and the link position of foot bar, elastic piece are located at the two sides of center adjustment column with foot bar, the link position of elastic piece；
Air level further includes being located in foot bar simultaneously including being located at the first air level on adjustable column and with adjustable column parallel arrangement
It is steeped with the second level of foot bar parallel arrangement.
2. a kind of arc levelling rod according to claim 1, it is characterised in that: when the elastic piece is convexly curved, put down
Row hangs down in the space plane where the only space straight line of elastic piece and the first air level, the second level bubble length direction
Directly.
3. a kind of arc levelling rod according to claim 1, it is characterised in that: the equal length of two butt head adjustable columns and
It is longer than the length of center adjustment column, the own axes of the center adjustment column pass through foot bar, the geometric center of elastic piece.
4. a kind of arc levelling rod according to claim 1, it is characterised in that: the end adjustable column, center adjustment column
Own axes coincide with the same space plane, two butt head adjustable columns are distinguished equal at a distance from center adjustment column.
5. a kind of arc levelling rod according to claim 1, it is characterised in that: the end adjustable column, center adjustment column
Has expansion-head in one for deviating from elastic piece.
6. a kind of arc levelling rod according to claim 1, it is characterised in that: the foot bar is also equipped with third air level,
Space plane where length direction and the first air level, the second level of the third air level steep length direction hangs down
Directly.
7. a kind of arc levelling rod according to claim 6, it is characterised in that: the foot bar is also equipped with the 4th air level,
Length direction and the second level bubble of 4th air level, the length direction of third air level coincide with the same space plane,
Length direction and the second level bubble of 4th air level, the angle of the length direction of third air level are 45 °.
8. a kind of arc levelling rod according to claim 1, it is characterised in that: the foot bar is that cross section is square shape
Aluminum profile.
9. a kind of arc levelling rod according to claim 1, it is characterised in that: each side of the elastic piece be line segment or
Plane curve.
10. a kind of arc levelling rod according to claim 1, it is characterised in that: the elastic piece is not more than for thickness
The stainless steel substrates of 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821951244.8U CN208984070U (en) | 2018-11-23 | 2018-11-23 | Arc levelling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821951244.8U CN208984070U (en) | 2018-11-23 | 2018-11-23 | Arc levelling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208984070U true CN208984070U (en) | 2019-06-14 |
Family
ID=66791469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821951244.8U Active CN208984070U (en) | 2018-11-23 | 2018-11-23 | Arc levelling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208984070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323687A (en) * | 2018-11-23 | 2019-02-12 | 南通理工学院 | Arc levelling rod |
-
2018
- 2018-11-23 CN CN201821951244.8U patent/CN208984070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323687A (en) * | 2018-11-23 | 2019-02-12 | 南通理工学院 | Arc levelling rod |
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