CN106595438A - Angle measuring tool - Google Patents
Angle measuring tool Download PDFInfo
- Publication number
- CN106595438A CN106595438A CN201611038272.6A CN201611038272A CN106595438A CN 106595438 A CN106595438 A CN 106595438A CN 201611038272 A CN201611038272 A CN 201611038272A CN 106595438 A CN106595438 A CN 106595438A
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- CN
- China
- Prior art keywords
- alidade
- graduated disc
- angle
- benchmark architecture
- datum line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to an angle measuring tool, which comprises a base for placing a conductive tube. The base is provided with a graduated disc structure, a first reference structure positioned and matched with the first straight tube portion of the conductive tube, and a second reference structure positioned and matched with the second straight tube portion of the conductive tube. The graduated disc structure comprises a graduated disc with scales, and a cursor capable of rotating and swing around the central axis of the graduated disc. The datum line of the second reference structure passes through the center of the graduated disc. The second reference structure is capable of rotating and swing around the central axis of the graduated disc and is in synchronous connection with the cursor. The cursor is located at a starting point when the datum line of the second reference structure is parallel to the datum line of the first reference structure. The cursor is located at an end point when the datum line of the second reference structure is parallel to the second straight tube portion of the conductive tube. According to the angle measuring tool of the invention, the bending angle of the conductive tube can be read. Compared with light beam scanning-based angle measuring machines in the prior art, the above angle measuring tool is low in manufacturing cost and easy in operation.
Description
Technical field
The present invention relates to a kind of angle measurement tool.
Background technology
Contact tube is the parts in high voltage electric appliance, as shown in figure 1, the middle part bending of contact tube, will be whole conductive
Pipe is divided into the first straight-tube portion and the second straight-tube portion, and the first straight-tube portion and the second straight-tube portion form a bending angle a,
Require in actual production process that the precision of bending angle a meets ± 10 '.In order to whether the bending angle for detecting contact tube closes
Lattice, are generally compared with the bending angle of contact tube using angular templet in prior art, but this method can not read angle
The number of degrees；Or measured using angular surveying machine, although the angle number can be accurately read, but it is relatively costly.For upper
Problem is stated, a kind of angle measurement tool is now provided.
The content of the invention
It is an object of the invention to provide one kind can measure contact tube bending angle and lower-cost angle is surveyed
Amount instrument.
For achieving the above object, the technical scheme is that：
A kind of angle measurement tool, including for placing the base of contact tube, base be provided with graduated disk structure, for conduction
First benchmark architecture of the first straight-tube portion location fit of pipe and for the second straight-tube portion location fit with contact tube
The second benchmark architecture, graduated disk structure includes the graduated disc with angle index and can be around the trip of graduated disc central axis rotation
Mark, the center of the datum line scaleover disk of second benchmark architecture, the second benchmark architecture can be around graduated disc central axis rotations
And with the vernier synchronized links；The vernier is parallel with the datum line of the first benchmark architecture in the datum line of the second benchmark architecture
When be located at starting point, in the datum line of the second benchmark architecture and parallel the second straight-tube portion of contact tube in terminal.
The vernier is to rotate coaxially the alidade that assembling is arranged with the graduated disc, and alidade is provided with decile angle index
Line, the alidade and graduated disc composition vernier angle scale.
The center of graduated disc has the circular hole being embedded in for alidade, and the side wall of circular hole is provided with flange, passes through on alidade
Releasable connection structure is connected with fixed disk, and the groove entered for the flange, the flange are provided between alidade and fixed disk
In the groove.
Ball, the upside of fixed disk and trip are equipped between fixed disk and graduated disc and between alidade and graduated disc
R nests are equipped with the downside of bidding quotation, ball is located in R nests.
Base is provided with along the guide rail extended perpendicular to the datum line direction of the first benchmark architecture, and the graduated disk structure is led
It is assemblied on guide rail to activity.
Base is provided with two parallel guide pillars, and guide pillar constitutes the guide rail, is provided with two guide pillars one by one on the downside of graduated disc
Corresponding two groups of rollers with annular groove, roller are located at the inner side of two guide pillars and the centerline axis parallel of rolling axis and graduated disc,
Two guide pillars are stuck in the annular groove of correspondence roller.
First benchmark architecture is included between left and right every two alignment pins being installed on base, the line of centres of two alignment pins
The as datum line of the first benchmark architecture.
Second benchmark architecture includes fork and along spaced apart two backing pins in oscillating bar length direction, and fork is fixedly arranged on trip
The upside of bidding quotation, the central axes of the axis of and alidade in two backing pins.
The invention has the beneficial effects as follows：The angle measurement tool of the present invention is arranged on graduated disc can be around the center of graduated disc
The vernier of axis rotation, can read the scale of vernier indication, and the second benchmark architecture can be swung around the central axis of graduated disc, and
With vernier synchronized links, the angle that vernier the was put angle that as the second benchmark architecture is turned over.During use, the first benchmark architecture with
First straight-tube portion location fit of contact tube, makes the datum line of the first benchmark architecture parallel with the first straight-tube portion, rotates the
Two benchmark architectures make its second straight-tube portion location fit with contact tube, the i.e. datum line of the second benchmark architecture and the second straight tube
Part is parallel.When the datum line of the second benchmark architecture is parallel with the datum line of the first benchmark architecture, vernier is located at start position,
In second straight-tube portion location fit of second benchmark architecture with contact tube, vernier is located at final position, and vernier is by starting point position
Put the angle put in final position and be the angle that the datum line of the second benchmark architecture is turned over, that is, the bending angle of contact tube
Degree.The bending angle of contact tube can be read using the angle measurement tool of the present invention, with prior art in adopt light scanning
Angularly measuring machine is compared, low cost of manufacture and easily operation.
Further, vernier of the invention is the alidade with decile angle index, alidade and graduated disc composition vernier
Bevel protractor structure.During reading, integer part is read according to the angle index on graduated disc, further according to the decile angle index on alidade
Read fractional part, the actual rotation angle of alidade is integer part and fractional part sum, certainty of measurement is higher.
Further, graduated disk structure is oriented to and is assemblied on base, can be along perpendicular to the datum line side of the first benchmark architecture
To guiding movement, by the position for adjusting graduated disk structure, the contact tube of different size parameter can be measured.
Description of the drawings
Structural representations of the Fig. 1 for contact tube；
Fig. 2 is the structural representation of angle measurement tool embodiment of the present invention 1；
Top views of the Fig. 3 for Fig. 2（Alidade is in nulling position）；
Fig. 4 is the structural representation of angle measurement tool embodiment of the present invention 1（Second benchmark architecture and contact tube location fit）；
Fig. 5 is the enlarged drawing of C in Fig. 2；
Fig. 6 is the enlarged drawing of A in Fig. 3；
Fig. 7 is the assembling schematic diagram of roller and graduated disc in angle measurement tool embodiment 1 of the present invention；
Fig. 8 is the structural representation of base in angle measurement tool embodiment 1 of the present invention；
Top views of the Fig. 9 for Fig. 8；
Figure 10 is the schematic diagram of graduated disc and alidade in angle measurement tool embodiment 1 of the present invention；
Figure 11 is A-A in Figure 10 to sectional view；
Figure 12 is the structural representation of the second benchmark architecture in angle measurement tool embodiment of the present invention 1；
Top views of the Figure 13 for Figure 12；
Figure 14 is the structural representation of rotor block in angle measurement tool embodiment 1 of the present invention；
Left views of the Figure 15 for Figure 14.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
A kind of specific embodiment 1 of angle measurement tool of the present invention, as shown in Fig. 2 to Figure 15, the angle measurement tool bag
Base 1 and the graduated disk structure 5 on base 1 are included, the upper face of base 1 is constituted puts down for the measurement for placing contact tube
Face, base 1 are of an L-shaped structure, and the upper face of base 1 includes the transverse plate part 1a that length extends in left-right direction and length along front
The upper surface of longitudinal plate part 1b that rear direction extends, transverse plate part 1a and longitudinal plate part 1b is in sustained height, laterally
There is a groove 1c for extending along the longitudinal direction between plate part and longitudinal plate part.Left and right is installed with the 1a of transverse plate part
Two alignment pins 2, two alignment pins 2 are constituted to be tied for the first benchmark with the first straight-tube portion location fit of contact tube
Structure, the datum line of the first benchmark architecture are the line of centres 20 of two alignment pins 2.
Graduated disk structure 5 includes the graduated disc 14 with angle index and can be around the trip of the central axis rotation of graduated disc 14
Mark, the vernier is the alidade 15 being coaxially disposed with graduated disc 14, and the angle index line on graduated disc 14 is distributed in circular arc, most
Down scale is 1 °；The edge of alidade 15 is provided with sub-multiple angle graduation mark, and n minimum horn craving angle value sum of alidade 15 is equal to carves
N-1 minimum horn craving angle value sum on scale 14, alidade 15 and the composition vernier angle scale of graduated disc 14.In the present embodiment, trip
Bidding quotation 15 is 30 indexing systems, i.e., the 30 of alidade lattice is equal to 29 °.Angle index on graduated disc 14 is symmetrical with regard to zero graduation line
Arrange, the decile angle index on alidade 15 is symmetrical with regard to zero graduation line, can reversely can also be surveyed with positive measurement reading
Amount reading.As the zero graduation line on graduated disc 14 is vertical with the datum line of the first benchmark architecture, no matter forward direction is measured or anti-
To measurement, the angle number of reading is the angle between first, second straight-tube portion of contact tube, converts without the need for angle.
On graduated disc 14, the downside of alidade 15 is connected with fixation by releasable connection structure to 15 rolling assembling of alidade
Disk 16.With a circular hole being embedded in for alidade 15, the scale on graduated disc 14 is along the aperture of circular hole at the center of graduated disc 14
Distribution；The medial wall of circular hole is provided with the flange to hole internal projection, and the downside of alidade 15 has a boss, spiral shell is offered on boss
Pit, on fixed disk 16, correspondence offers perforation, and during assembling, alidade 15 is embedded in circular hole by the upside of graduated disc 14, flange
The downside block of upper side and alidade 15 coordinate, fixed disk 16 is embedded in circular hole by the downside of graduated disc 14, flange
On the upside of downside and fixed disk, block coordinates, and has a groove between fixed disk 16 and alidade 15, and flange is located at described recessed
In groove, in perforation, mounting screw makes alidade 15 and fixed disk 16 link together, and perforation, screwed hole and screw constitute use
In the releasable connection structure of be connected disk and alidade.After assembling, the upper side of alidade 15 and the upper side of graduated disc 14
Maintain an equal level, the downside of fixed disk 16 is maintained an equal level with the downside of graduated disc 14.In order to reduce frictional resistance when alidade is rotated, this
In embodiment, between alidade and graduated disc, between fixed disk and graduated disc, be equipped with ball 21, the lower edge of alidade and
The upper edge of fixed disk is equipped with R nests, and ball is located in R nests.
Fork 4 is connected with the upside of alidade 15, two installing holes, the center of two installing holes on the upside of alidade 15, is offered
Line crosses the center of circle of alidade 15, and the fork is connected with alidade 15 by the screw being installed in installing hole；Edge on fork 4
Its axis direction is interval with two backing pins 3, and fork 4 and two backing pins 3 are constituted for the second straight-tube portion with contact tube
Second benchmark architecture of location fit, the datum line of the second benchmark architecture are the line of centres 30 of two backing pins 3, two backing pins
One in 3 is located at the home position of alidade 15, and the line of centres 30 of two backing pins 3 crosses the center of circle of alidade.Second base
Quasi- structure and 15 synchronized links of alidade, the angle that alidade 15 is turned over are the angle that fork was put.When on alidade 15
When zero graduation line points to the zero graduation line on graduated disc 14, now, alidade 15 is in start position, the center line of two backing pins 3
Line is parallel with the line of centres of two alignment pins 2.When fork 4 and alidade 15 rotate an angle relative to graduated disc 14 together
Degree, now between the line of centres of the line of centres of two backing pins 3 and two alignment pins 2 have an angle, the zero of alidade
Graduation mark points to an angle index on graduated disc 14, and the scale is the integer part of 15 rotational angle of alidade, then passes through
Decile angle index on alidade 15 reads accurate angle number, the as fractional part of 15 rotational angle of alidade, integer part
The rotational angle of alidade 15, and the center of the line of centres and two alignment pins 2 of two backing pins 3 are plus fractional part
The angle number of degrees between line.
Graduated disk structure 5 is oriented in the groove 1c of base 1, the upper side and base of graduated disc 14 and alidade 15
1 upper face maintains an equal level.It is provided with groove along the longitudinal direction i.e. along leading for extending perpendicular to the datum line direction of the first benchmark architecture
Rail, guide rail is two guide pillars 13 be arrangeding in parallel, and the rear and front end of guide pillar 13 is provided with fulcrum bearing, and fulcrum bearing includes matrix 7 and pressure
Half slot is correspondingly provided with block 6, matrix 7 and briquetting 6, briquetting 6 is fixed on matrix 7 by steady pin 60, and guide pillar 13 is sandwiched in
In circular groove between briquetting 6 and matrix 7.The downside of graduated disc 14 is provided with the two groups of rollers 8 in left and right, and the rolling axis of roller 8 is along upper
Lower direction extends, and two groups of rollers 8 are corresponded with two guide pillars 13, and positioned at the inner side of two guide pillars 13, the lateral surface of roller 8
Annular groove 9 is provided with, guide pillar 13 is stuck in the annular groove of correspondence side wheel.In the present embodiment, it is coated with roller 8 downward on axis
The rotating shaft 10 stretched, the top that the top of rotating shaft 10 has the shaft shoulder, rotating shaft are provided with internal thread hole, install downward on axis on graduated disc
The bolt stretched, bolt are coordinated with the internal thread hole of rotating shaft.Rotating shaft bottom is provided with external screw thread, between the shaft shoulder and roller 8 of rotating shaft 10
It is provided with ball；R nuts 11 are connected with by external screw thread in rotating shaft 10, ball 21 between R nuts and roller, is provided with, R nuts are adjusted
Roller flexible rotation is made, and the back of the body is emitted tightly with the back of the body, prevent R nuts from coming off.
Angle measurement tool of the present invention when in use, contact tube 12 to be detected is placed on base 1, contact tube 12 is made
The first straight-tube portion and two 2 location fits of alignment pin, now, the line of centres 20 and the first straight sections of two alignment pins 2
The diameter parallel divided.Graduated disk structure 5 is adjusted in front and back, is made the second straight-tube portion of contact tube and is located at 15 circle centre position of alidade
3 location fit of backing pin, after the position of graduated disk structure determines, rotational swing rod 4, make the backing pin 3 in 15 center of circle of deviation alidade also with
Second straight-tube portion location fit of contact tube, now the second straight-tube portion of the line of centres 30 of two backing pins 3 and contact tube
Diameter parallel, state as shown in Figure 4.When the center connection of two backing pins 3 is parallel with the line of centres of two alignment pins 2,
Zero graduation line on alidade 15 is alignd with the zero graduation line on graduated disc 14, and fork and alidade 15 are in start position,
State as shown in Figure 3；When the diameter parallel of the second straight-tube portion of the line of centres 30 and contact tube of two backing pins 3, such as Fig. 4
Shown state, fork and alidade 15 are in final position, and alidade turns over an angle apart from start position, and the angle is
For the angle between two straight-tube portions of contact tube, integer part is read according to the scale on graduated disc, further according to alidade
On scale read fractional part, integer part and fractional part sum are the folder between two straight-tube portions of contact tube
Angle.
In other embodiments, graduated disk structure can be fixed on base, during measurement, led by adjustment in left-right direction
The position of fulgurite, makes second straight-tube portion and the backing pin location fit for being located at scale disk center of contact tube.In addition, the first benchmark
Structure can also be oriented on base along the longitudinal direction.First benchmark architecture can also be other structures form, such as along left
The riser that right direction extends, the first straight-tube portion location fit of the side of riser and contact tube during use.Second benchmark architecture
Two backing pins 3 can also be directly anchored on alidade, the line of centres of two backing pins crosses the center of circle all the time.Can not on graduated disc
Circular hole is set, can be coaxially installed on column in the centrally disposed column of graduated disc, alidade, column is projected on the upside of alidade
Face, the fixed column in the off-centered position of alidade, two columns constitute the second benchmark architecture.In other embodiment, trip
Bidding quotation can also be equal to 9 ° for 10 indexing systems, i.e. 10 lattices of alidade.Alidade can be also not provided with, vernier can be balancing point,
Balancing point and fork are connected, fork and balancing point synchronous hunting, now can only be according to the scale reading on graduated disc.Can be with scale
The fixed column in center of disk, fork is rotatably installed on column, and zero graduation line is arranged on fork, and now, fork constitutes trip
Mark.
Claims (8)
1. a kind of angle measurement tool, it is characterised in that：Including for placing the base of contact tube, base is provided with graduated disc knot
Structure, for the first benchmark architecture of the first straight-tube portion location fit of contact tube and for the second straight tube with contact tube
Second benchmark architecture of part location fit, graduated disk structure include the graduated disc with angle index and can be around scale disk center
The vernier of axis rotation, the center of the datum line scaleover disk of second benchmark architecture, the second benchmark architecture can be around graduated disc
Central axis rotation and with the vernier synchronized links；Datum line and first benchmark architecture of the vernier in the second benchmark architecture
Datum line it is parallel when be located at starting point, be in the datum line of the second benchmark architecture and parallel the second straight-tube portion of contact tube
Terminal.
2. angle measurement tool according to claim 1, it is characterised in that：The vernier is coaxially to turn with the graduated disc
The alidade that dynamic assembling is arranged, alidade are provided with sub-multiple angle graduation mark, the alidade and graduated disc composition vernier angle scale.
3. angle measurement tool according to claim 2, it is characterised in that：The center of graduated disc has embedded for alidade
Circular hole, the side wall of circular hole is provided with flange, is connected with fixed disk, alidade and fixation by releasable connection structure on alidade
The groove entered for the flange is provided between disk, the flange is located in the groove.
4. angle measurement tool according to claim 3, it is characterised in that：Between fixed disk and graduated disc and alidade
Ball is equipped between graduated disc, R nests on the downside of the upside of fixed disk and alidade, are equipped with, ball is located in R nests.
5. the angle measurement tool according to claim 1-4 any one, it is characterised in that：Base be provided with along perpendicular to
The guide rail that the datum line direction of the first benchmark architecture extends, the graduated disk structure guiding activity are assemblied on guide rail.
6. angle measurement tool according to claim 5, it is characterised in that：Base is provided with two parallel guide pillars, guide pillar
The guide rail is constituted, two groups of rollers with annular groove one-to-one with two guide pillars on the downside of graduated disc, are provided with, roller is led positioned at two
The inner side of post and the centerline axis parallel of rolling axis and graduated disc, two guide pillars are stuck in the annular groove of correspondence roller.
7. the angle measurement tool according to claim 1-4 any one, it is characterised in that：The first benchmark architecture bag
Include between left and right every two alignment pins being installed on base, the line of centres of two alignment pins is the datum line of the first benchmark architecture.
8. the angle measurement tool according to claim 2-4 any one, it is characterised in that：Second benchmark architecture includes fork
And along spaced apart two backing pins in oscillating bar length direction, fork is fixedly arranged on the upside of alidade, the axle of in two backing pins
The central axes of line and alidade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038272.6A CN106595438B (en) | 2016-11-23 | 2016-11-23 | A kind of angle measurement tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038272.6A CN106595438B (en) | 2016-11-23 | 2016-11-23 | A kind of angle measurement tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106595438A true CN106595438A (en) | 2017-04-26 |
| CN106595438B CN106595438B (en) | 2019-01-22 |
Family
ID=58592835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038272.6A Active CN106595438B (en) | 2016-11-23 | 2016-11-23 | A kind of angle measurement tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595438B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883850A (en) * | 2017-12-15 | 2018-04-06 | 中车眉山车辆有限公司 | The link-type latch-locking of railway freight-car top operation coupler three forms prefabricated subtended angle detection means and detection method |
| CN110160429A (en) * | 2018-02-14 | 2019-08-23 | 约翰内斯·海德汉博士有限公司 | The angle measurement unit of bearing-free |
| CN111735370A (en) * | 2020-07-02 | 2020-10-02 | 广东电网有限责任公司东莞供电局 | Auxiliary measuring device for elbow bend |
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|---|---|---|---|---|
| CN85201805U (en) * | 1985-05-05 | 1986-08-20 | 石德胜 | Angle gage for measuring pipe |
| EP0198108A2 (en) * | 1985-04-11 | 1986-10-22 | Bao-Shen Liu | A vernier gauge |
| CN102338613A (en) * | 2011-05-20 | 2012-02-01 | 西北工业大学 | Vernier scale for measuring bending radius and bending angle of numerically-controlled bending pipe |
| CN102954748A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Detection tool for bent tube |
-
2016
- 2016-11-23 CN CN201611038272.6A patent/CN106595438B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0198108A2 (en) * | 1985-04-11 | 1986-10-22 | Bao-Shen Liu | A vernier gauge |
| CN85201805U (en) * | 1985-05-05 | 1986-08-20 | 石德胜 | Angle gage for measuring pipe |
| CN102338613A (en) * | 2011-05-20 | 2012-02-01 | 西北工业大学 | Vernier scale for measuring bending radius and bending angle of numerically-controlled bending pipe |
| CN102954748A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Detection tool for bent tube |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883850A (en) * | 2017-12-15 | 2018-04-06 | 中车眉山车辆有限公司 | The link-type latch-locking of railway freight-car top operation coupler three forms prefabricated subtended angle detection means and detection method |
| CN107883850B (en) * | 2017-12-15 | 2024-03-08 | 中车眉山车辆有限公司 | Device and method for detecting prefabricated opening angle formed by three connecting rod type upper locking pins of railway wagon upper acting coupler |
| CN110160429A (en) * | 2018-02-14 | 2019-08-23 | 约翰内斯·海德汉博士有限公司 | The angle measurement unit of bearing-free |
| CN110160429B (en) * | 2018-02-14 | 2022-02-01 | 约翰内斯·海德汉博士有限公司 | Bearingless angle measuring device |
| CN111735370A (en) * | 2020-07-02 | 2020-10-02 | 广东电网有限责任公司东莞供电局 | Auxiliary measuring device for elbow bend |
| CN111735370B (en) * | 2020-07-02 | 2022-03-04 | 广东电网有限责任公司东莞供电局 | Auxiliary measuring device for elbow bend |
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| Publication number | Publication date |
|---|---|
| CN106595438B (en) | 2019-01-22 |
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