CN101571367B - Wheelbase vernier caliper - Google Patents
Wheelbase vernier caliper Download PDFInfo
- Publication number
- CN101571367B CN101571367B CN2009100119378A CN200910011937A CN101571367B CN 101571367 B CN101571367 B CN 101571367B CN 2009100119378 A CN2009100119378 A CN 2009100119378A CN 200910011937 A CN200910011937 A CN 200910011937A CN 101571367 B CN101571367 B CN 101571367B
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- quick change
- chi head
- vernier caliper
- caliper
- vernier
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Abstract
The invention provides a vernier caliper, which comprises a main scale and a vernier caliper which is arranged on the main scale and capable of moving on the main scale. The wheelbase vernier caliper is characterized in that the vernier caliper also comprises a telescopic rod and quick-change caliper heads; the telescopic rod is arranged at the zero-graduation end of the main scale; the quick-change caliper heads are two arc-shaped caliper heads of which openings are back to back; and one of the quick-change caliper heads is arranged on the telescopic rod, and the other one is arranged on the vernier caliper. The caliper can be divided into different models, and can measure different class intervals by replacing the quick-change caliper heads. The wheelbase vernier caliper has a steel structure, is convenient to machine, low in cost, convenient in use, high in precision and strong in practicability, and fills in a gap in the technical field of equipment debugging and installation. The vernier caliper has the advantages of concise reasonable structure, strong practicability and suitability for popularization and application in the technical field of equipment debugging and installation.
Description
Technical field: the invention belongs to equipment debugging and field engineering field, relate in particular to a kind of wheelbase vernier caliper that can measure between two parallel shafts distance or deviation.
Background technology: present vernier caliper, include main scale and the vernier scale and the chi head that are arranged on the main scale, the chi head mostly is straight board foot head, and such vernier caliper is because the cause of straight board foot head, in the distance of measuring between the circular shaft, often, measure so the chi head can only be stuck in approximate location, and such measurement is inaccurate because the shape of chi head can not adapt with the surface configuration of circular shaft; And in the time of the deviate between two uneven circular shafts of needs measurement, also the chi head can only be stuck in two approximate location compares then, can but measurement also be inaccurate like this, be a urgent problem and find a kind of method more accurately in equipment debugging and installing area.
Summary of the invention:
Goal of the invention: the invention provides a kind of wheelbase vernier caliper, its objective is that solution vernier caliper in the past can accurately not measure the problem of the distance between the isometrical and non-isometrical circular shaft.
Technical scheme: the present invention is achieved by the following technical solutions:
A kind of wheelbase vernier caliper, the vernier scale that comprises main scale and be arranged on the main scale and can on main scale, move, it is characterized in that: this wheelbase vernier caliper also comprises expansion link and quick change chi head; Expansion link is arranged on the zero mark end of main scale; Quick change chi head be two openings back to arc chi head; A slice in the described quick change chi head is arranged on the expansion link, and another sheet is arranged on the vernier scale.
Be provided with error of measurement quick change chi head in a side opposite with quick change chi head; Described error of measurement quick change chi head be two openings back to " V " shape chi head; A slice in the error of measurement quick change chi head is arranged on the expansion link, and another sheet is arranged on the vernier scale.
On vernier caliper, also be provided with and adjust bolt and movable pulley.
Described expansion link is fixed by the expansion link set bolt.
Advantage and effect: the present invention is the wheelbase vernier caliper of distance between a kind of novel two parallel shafts of measurement, its feature is can measure two with the distance between the diameter of axle parallel shafts or apart from difference, also can measure between two different diameters of axle distance or apart from difference.
The vernier scale that this vernier caliper not only comprises main scale and is arranged on the main scale and can moves on main scale also comprises expansion link, quick change chi head and error of measurement quick change chi head; Expansion link is arranged on the zero mark end of main scale; Quick change chi head be two openings back to arc chi head, the described arc chi head back side one side is relative; Described error of measurement quick change chi head be two openings back to " V " shape chi head; A slice in described quick change chi head and the error of measurement quick change chi head is arranged on the expansion link, and another sheet is arranged on the vernier caliper.
This vernier caliper when in use, the quick change chi head of arc is stuck on the tested circular shaft, like this because the shape of the quick change chi head of arc and the shape of circular shaft adapt, directly read numerical value by vernier scale and main scale then, add that quick change chi head numerical value just can draw corresponding numerical value, so can be easy to and measure accurately the distance between the circular shaft;
These slide calliper rule can be divided into different models, can measure the distance of Different Diameter circular shaft by changing quick change chi head, and this invention is for steel design, and is easy to process, with low cost, easy to use, and higher precision and stronger practicality are arranged.Filled up a blank at equipment debugging and field engineering field.
And measure nonparallel two not the deviate of isometrical circular shaft the time if desired, the diverse location that then only need utilize " V " shape opening of error of measurement quick change chi head to block two circular shafts at twice just can calculate the deviation of the distance of two circular shafts.
This vernier caliper is simple for structure rationally, and is practical, is adapted at equipment debugging and the field engineering field is applied.
Description of drawings:
Fig. 1 is a front view of the present invention;
Fig. 2 is a quick change chi head of the present invention;
Fig. 3 is an error of measurement quick change chi head of the present invention;
Fig. 4 is the synoptic diagram of the isometrical circular shaft of premeasuring of the present invention;
Synoptic diagram when Fig. 5 measures isometrical circular shaft for utilizing quick change chi head among the present invention;
Fig. 6 is the synoptic diagram of the non-isometrical circular shaft of premeasuring of the present invention;
Synoptic diagram when Fig. 7 measures non-isometrical circular shaft for utilizing error of measurement quick change chi head among the present invention.
Embodiment: the present invention is described further below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of wheelbase vernier caliper comprises main scale 1 and the vernier scale 2 that is arranged on the main scale 1 and can moves on main scale 1, also comprise expansion link 9, quick change chi head 6 and error of measurement quick change chi head 7; Expansion link 9 is arranged on the zero mark end of main scale 1; Quick change chi head 6 be two openings back to arc chi head; Described error of measurement quick change chi head 7 be two openings back to " V " shape chi head; A slice in described quick change chi head 6 and the error of measurement quick change chi head 7 is arranged on the expansion link 9, and another sheet is arranged on the vernier caliper 2, and so, along with moving of vernier scale 2, two chi heads just can separate or fit.Quick change chi head 6 and error of measurement quick change chi head were listed in the both sides of main scale 1 in 7 minutes, that is to say that the direction of quick change chi head 6 and error of measurement quick change chi head 7 is opposite.Described quick change chi head 6 and error of measurement quick change chi head 7 are fixed on expansion link 9 and the vernier scale 2 by quick change chi head set bolt 10.
Described expansion link 9 is by 8 controls of expansion link set bolt; The effect of expansion link 9 is when the radian of the quick change chi head of changing 6 is excessive, or " V " of error of measurement quick change chi head 7 is when shape is excessive, because the stationkeeping of quick change chi head 6 or error of measurement quick change chi head 7 is installed, like this, cause vernier scale 2 can't move to the phenomenon of the zero mark end of main scale 1 in the time of can making the error of measurement quick change chi head 7 of the quick change chi head 6 of two arcs or " V " shape fit together, at this time just need to adjust expansion link 9, make the quick change chi head 6 or the error of measurement quick change chi head 7 that are arranged on the expansion link 9 move forward, A direction just shown in Figure 1, thereby thereby the zero mark end that makes vernier scale 2 can get back to main scale 1 measure accurately.
On vernier scale 2, also be provided with and adjust bolt 4 and movable pulley 5, be used for adjusting vernier scale 2.
Described expansion link 9 is fixing by expansion link set bolt 8; On vernier scale 2, also be provided with and adjust bolt 4 and movable pulley 5; By moving of vernier scale 2, come measurement data; When needs are measured as shown in Figure 4 isometrical circular shaft, two parts with quick change chi head 6 separate earlier, then according to as shown in Figure 5 mode, the quick change chi head 6 of arc is stuck on the isometrical circular shaft of premeasuring, the model of quick change chi head 6 at this moment should be selected the model that adapts with tested circular shaft, that is to say that the arc of quick change chi head 6 will adapt with circular shaft; Adjustment vernier scale 2 progressively, make the arch section of quick change chi head 6 just be stuck on the circular shaft, finely tune by movable pulley 5 then, till quick change chi head 6 is stuck on the circular shaft fully, at this moment, index dial 3 by vernier scale 2 and main scale 1 is directly read numerical value, adds that the benchmark numerical value of quick change chi head 6 just can draw corresponding numerical value; The benchmark of described quick change chi head 6 is 10 millimeters, because quick change chi head 6 is an arc, after quick change chi head 6 merges, when the scale of vernier scale 2 is grouped into zero, width L between the arc apex of two quick change chi heads 6 is 10mm, and as shown in Figure 5, the numerical value of reading by vernier scale 2 and main scale 1 when measuring is the numerical value shown in the distance h, so will add that the reference range of quick change chi head 6 is only the actual distance that will survey when measuring; This example is two isometrical 60 millimeters parallel shafts, quick change chi head 6 is fixed, quick change chi head 6 is because be arcuate shape, so the quick change chi head 6 that can select the surperficial radian of radian and tested circular shaft to adapt, so, because quick change chi head 6 can adapt with the surface of circular shaft, so can better be stuck in the circular shaft surface, so also just can measure needed numerical value more accurately, and the chi head of vernier caliper in the past, mostly be straight plate, also being stuck between two circular shafts and measuring roughly just in the time of use; Can measure the value of leading portion distance L 1 and back segment distance L 2 among Fig. 4 according to the measuring method among Fig. 5, add 10 millimeters of the reference values of quick change chi head 6 on this basis, the numerical value of gained is exactly actual distance.Simultaneously, as required, also can calculate the difference of leading portion distance L 1 and back segment distance L 2 distances, that is to say when two circular shafts are uneven, the numerical value of leading portion distance L 1 and back segment distance L 2 is different, at this moment, only need measure the numerical value of L1 and L2 respectively and ask poor, just can know two deviations between the circular shaft, this kind calculating will often run in rigging up and debugging.And in the time of the distance between the non-isometrical circular shaft of needs measurement, then only need to select the quick change chi head 6 of different models to get final product, that is to say, utilize the quick change chi head 6 of different model to block different circular shafts and measure, thus the distance between the circular shaft of the different diameters of axle.
And shown in Fig. 6 and 7, when measuring the deviation of two uneven isometrical or non-isometrical circular shafts if desired, only need be according to shown in Figure 7 error of measurement quick change chi head 7 is stuck on the non-isometrical circular shaft of premeasuring, select different quick change chi head sizes according to the different diameters of axle, this example is the axle of 100 millimeters of the axle of 60 millimeters of diameters and diameters, available error of measurement quick change chi head 7 is measured, error of measurement quick change chi head 7 is fixed, " V " shape openend with error of measurement quick change chi head 7 blocks circular shaft, and because this chi head is " V " shape structure, so can better block circular shaft; Can measure the distance of leading portion distance L 3 and back segment distance L 4 according to the measuring method of Fig. 7, subtract each other the difference that just can draw both according to both numerical value, this kind calculating will often run in overhaul of the equipments.
These slide calliper rule can be divided into different models, can measure different wheelbases by changing quick change chi head, and this invention is steel design, easy to process, with low cost, easy to use, higher precision and stronger practicality are arranged, filled up a blank at equipment debugging and field engineering field.
This vernier caliper is simple for structure rationally, and is practical, is adapted at equipment debugging and the field engineering field is applied.
Claims (3)
1. a wheelbase vernier caliper comprises main scale (1) and is arranged on main scale (1) and go up also and can go up the vernier scale (2) that moves at main scale (1) that it is characterized in that: this wheelbase vernier caliper also comprises expansion link (9) and quick change chi head (6); Expansion link (9) is arranged on the zero mark end of main scale (1); Quick change chi head (6) be two openings back to arc chi head, a slice wherein is arranged on the expansion link (9), another sheet is arranged on the vernier scale (2), is provided with error of measurement quick change chi head (7) in a side opposite with quick change chi head (6); Described error of measurement quick change chi head (7) be two openings back to " V " shape chi head; A slice in the error of measurement quick change chi head (7) is arranged on the expansion link (9), and another sheet is arranged on the vernier scale (2).
2. wheelbase vernier caliper according to claim 1 is characterized in that: also be provided with on vernier caliper (2) and adjust bolt (4) and movable pulley (5).
3. wheelbase vernier caliper according to claim 2 is characterized in that: described expansion link (9) is fixing by expansion link set bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100119378A CN101571367B (en) | 2009-06-11 | 2009-06-11 | Wheelbase vernier caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100119378A CN101571367B (en) | 2009-06-11 | 2009-06-11 | Wheelbase vernier caliper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101571367A CN101571367A (en) | 2009-11-04 |
| CN101571367B true CN101571367B (en) | 2011-02-16 |
Family
ID=41230783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100119378A Expired - Fee Related CN101571367B (en) | 2009-06-11 | 2009-06-11 | Wheelbase vernier caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101571367B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322786B (en) * | 2011-08-10 | 2013-01-16 | 山东力诺瑞特新能源有限公司 | Measuring tool for vacuum pipe opening of solar water heater |
| CN105064692B (en) * | 2015-07-22 | 2017-07-04 | 中铁隧道集团四处有限公司 | Bar spacing finely tunes control device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB111098A (en) * | 1916-10-21 | 1918-04-04 | La Precision Mecanique | Wedge Operated Locking Arrangement for Slide Gauges. |
| CN2157512Y (en) * | 1993-05-31 | 1994-02-23 | 张明晶 | Combined multipurpose square calliper |
| CN2424443Y (en) * | 2000-06-09 | 2001-03-21 | 杨永涛 | Vernier caliper |
-
2009
- 2009-06-11 CN CN2009100119378A patent/CN101571367B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB111098A (en) * | 1916-10-21 | 1918-04-04 | La Precision Mecanique | Wedge Operated Locking Arrangement for Slide Gauges. |
| CN2157512Y (en) * | 1993-05-31 | 1994-02-23 | 张明晶 | Combined multipurpose square calliper |
| CN2424443Y (en) * | 2000-06-09 | 2001-03-21 | 杨永涛 | Vernier caliper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101571367A (en) | 2009-11-04 |
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Granted publication date: 20110216 Termination date: 20130611 |