CN211317166U - Pitch measuring device of variable-pitch arc-shaped spring - Google Patents
Pitch measuring device of variable-pitch arc-shaped spring Download PDFInfo
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- CN211317166U CN211317166U CN202020332529.4U CN202020332529U CN211317166U CN 211317166 U CN211317166 U CN 211317166U CN 202020332529 U CN202020332529 U CN 202020332529U CN 211317166 U CN211317166 U CN 211317166U
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Abstract
The utility model discloses a pitch measuring device of a variable pitch arc spring, which relates to the technical field of springs and comprises a test workbench, an adjusting knob, a caliper and a caliper fixing seat; the variable pitch arc spring is placed on the test workbench, the caliper rule is fixed on the caliper rule fixing seat, and the adjusting knob is adjusted to enable the test workbench to move vertically, until the central axis of the variable pitch arc spring is aligned to the measuring head of the caliper rule, the variable pitch arc spring is horizontally moved to enable the variable pitch arc spring to be close to the caliper rule fixing seat, and the caliper rule is used for measuring the pitch of the central axis of the variable pitch arc spring. Through the utility model discloses an implement, can reduce the artifical error of variable pitch arc spring pitch measurement.
Description
Technical Field
The utility model relates to a spring technical field especially relates to a pitch measuring device of variable pitch arc spring.
Background
In the field of machinery, arc springs are widely used and have various specifications. In the processing technology of the arc spring, one process is needed to control the pitch of the winding process of the straight spring, and the pitch of the arc spring is controlled after the arc spring is processed into a finished product. The pitch on the central axis of the finished arc spring and the variable pitches at two ends are respectively measured by using calipers and controlled according to the process requirements.
The general measurement method in the industry is that during measurement, a finished product arc-shaped spring is placed on a test table, a caliper is close to the spring, the central axis of the spring is manually found, the central axis is clamped into the pitch and the variable pitches at two ends, and measurement is started one by one. In the measuring method, the central axis of the arc-shaped spring is difficult to find by manpower, and the spring is easy to move during measurement, so that the measuring error is large.
Therefore, the utility model provides a develop the pitch measuring device of a variable pitch arc spring, avoid the artificial error factor, solved above-mentioned problem effectively, improve process measurement accuracy.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model discloses the technical problem that will solve is through rational design, effectively solves measurement process problem, reduces measuring error, improves measurement of efficiency.
In order to achieve the purpose, the utility model provides a pitch measuring device of a variable pitch arc spring, which comprises a test workbench, an adjusting knob, a caliper and a caliper fixing seat; the variable-pitch arc-shaped spring is placed on the test workbench, the caliper is fixed on the caliper fixing seat, and the height of the test workbench moves up and down by adjusting the adjusting knob until the central axis of the variable-pitch arc-shaped spring is aligned with the measuring head of the caliper; and horizontally moving the position of the variable-pitch arc-shaped spring to enable the variable-pitch arc-shaped spring to be close to the caliper fixing seat, and measuring the pitch of the variable-pitch arc-shaped spring at the central axis by using the caliper.
Further, the height of the test bench is adjustable.
Further, the positions of all points on the table surface of the test workbench are kept horizontal to the ground.
Further, the adjustment knob is provided with a scale which identifies the adjusted height data.
Further, when the adjusting knob rotates, the adjusting knob moves up and down along with the test workbench.
Furthermore, the height and the horizontal position of the caliper fixing seat are fixed and do not move along with the movement of the test workbench.
Further, the slide caliper rule is fixed by the level on the slide caliper rule fixing base, the measuring head of slide caliper rule aligns test table.
Further, the test bench may be adapted for the variable pitch arcuate springs of different diameters.
Further, the variable pitch arcuate springs may be horizontally movable on the test stage.
Further, when the scale of the adjusting knob is 0, the caliper fixed on the caliper fixing seat and the testing workbench are located on the same horizontal plane.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the spring is placed on the testing table surface, and the arc-shaped spring is moved on the workbench to be aligned with the caliper head, so that the test table is more convenient;
2. the spring height is adjusted through the knob, the central axis of the spring is accurately found, the central axis does not need to be found through visual inspection, and the test point is more accurate;
3. the arc spring moves horizontally on the arc spring test board, the pitch on the central axis of the spring is aligned with the caliper, the caliper does not move up and down or left and right, the measurement result is more accurate, and the problem of pitch measurement error of manually measuring the variable-pitch arc spring is effectively solved.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic variable pitch illustration of a variable pitch arcuate spring;
FIG. 2 is a schematic illustration of a central axis of a variable pitch arcuate spring;
fig. 3 is a top view of a preferred embodiment of the present invention;
fig. 4 is a front view of a preferred embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for clarity and understanding of the technical contents. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
As shown in FIG. 1, on the variable pitch arcuate spring 5 to be measured, the pitch to be measured is shown schematically with reference to pitch 6, including P1、P2、P3P, wherein P is positioned at two ends of the variable-pitch arc spring 51、P2、P3For varying pitch, P is the pitch of the normal body.
As shown in FIG. 2, the variable pitch arcuate spring 5 is measured with the central axis 7 located at the center of the spring.
As shown in fig. 3 and 4, for the utility model provides a pair of pitch measuring device of variable pitch arc spring, including adjust knob 1, test bench 2, slide caliper rule fixing base 3, slide caliper rule 4. The variable pitch arc spring 5 to be measured is placed on the test workbench 2, and the caliper 4 is fixed on the other caliper fixing seat 3. Through the rotation of adjust knob 1, can adjust the height of test table 2, the horizontal position of finding variable pitch arc spring 5 and slide caliper rule 4 accurately. On the test bench 2, the variable-pitch arc spring 5 can be horizontally moved, so that the measuring head of the caliper 4 is just clamped into the central axis of the variable-pitch arc spring 5, and the pitch measurement of the variable-pitch arc spring 5 can be carried out.
In particular use, reference may be made to the following steps:
step 1: placing a variable pitch arcuate spring 5 (shown in fig. 1) on the test table 2, each view being shown in fig. 3 and 4;
step 2: the caliper 4 is fixed on the caliper fixing seat 3, and the caliper fixing seat 3 is separated from the test workbench 2 and does not move along with the movement of the test workbench 2 (as shown in fig. 3);
and step 3: fixing the variable-pitch arc-shaped spring 5 on the test workbench 2;
and 4, step 4: adjusting an adjusting knob 1 with scales, adjusting the height of a test workbench 2, driving the upper and lower positions of a variable-pitch arc spring 5, and moving the position of the variable-pitch arc spring 5 on the test workbench 2 to enable the central axis of the variable-pitch arc spring 5 to align to the measuring head of a caliper 4;
and 5: measuring the spring pitch at the central axis of the variable-pitch arc spring 5 by using a caliper 4, wherein the spring pitch comprises a 1 st variable pitch P 12 nd variable pitch P2The 3 rd variable pitch P3And the step pitch measurement process can be completed by the standard pitch P.
For example:
the pitch requirement of the existing variable pitch arc spring is P1＝2mm，P2＝3mm，P34mm, 5mm and a spring diameter of 22 mm.
The steps for actually using the pitch measuring device are as follows:
1. fixing the variable-pitch arc-shaped spring on the test workbench 2;
2. fixing the caliper 4 on the caliper fixing seat 3;
3. rotating the knob to a position of 11mm according to the diameter of the spring of 22mm, wherein the height of the test workbench 2 of the variable-pitch arc spring reaches 11mm, and the position adjustment of the variable-pitch arc spring is finished;
4. the measuring head of the caliper 4 is just clamped into the central axis of the variable-pitch arc spring;
5. the horizontal moving caliper 4 adjusts the caliper position and arcs1 st pitch P of the form spring 12 nd pitch P2A 3 rd pitch P3And the standard pitch P were measured separately and recorded as: p1＝2.1mm，P2＝3.05mm，P3＝4.11mm，P＝5.12mm。
And (6) completing the test.
Above-mentioned utility model example, reasonable in design, the practicality is strong, and through the relatively fixed of slide caliper rule and test bench's nimble regulation, the pitch measuring error problem of artifical measurement variable pitch arc spring has been solved effectively, and when especially artifical handheld slide caliper rule was measured, variable pitch arc spring axis skew problem.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A pitch measuring device of a variable-pitch arc-shaped spring is characterized by comprising a test workbench, an adjusting knob, a caliper and a caliper fixing seat; the variable-pitch arc-shaped spring is placed on the test workbench, the caliper is fixed on the caliper fixing seat, and the height of the test workbench moves up and down by adjusting the adjusting knob until the central axis of the variable-pitch arc-shaped spring is aligned with the measuring head of the caliper; and horizontally moving the position of the variable-pitch arc-shaped spring to enable the variable-pitch arc-shaped spring to be close to the caliper fixing seat, and measuring the pitch of the variable-pitch arc-shaped spring at the central axis by using the caliper.
2. The pitch measurement device of a variable pitch arcuate spring of claim 1 wherein said test table is adjustable in height.
3. The pitch measurement device of a variable pitch arcuate spring of claim 1 wherein the position of each point on the table top of said test table is maintained level with the floor.
4. The pitch measurement device of a variable pitch arcuate spring of claim 1, wherein said adjustment knob is graduated, said graduation identifying height data to be adjusted.
5. The pitch measurement device of a variable pitch arcuate spring of claim 1 wherein said adjustment knob moves up and down with said test stage when rotated.
6. The pitch measuring apparatus of a variable pitch bow spring according to claim 1, wherein the caliper holder is fixed in both height and horizontal position and does not move with the movement of the test table.
7. The pitch measurement device of a variable pitch bow spring of claim 1, wherein said caliper is horizontally fixed to said caliper mount with a measuring head of said caliper aligned with said test stage.
8. The pitch measurement device of a variable pitch bow spring of claim 1, wherein said test stage is adaptable to said variable pitch bow springs of different diameters.
9. The pitch measurement device of a variable pitch arcuate spring of claim 1, wherein said variable pitch arcuate spring is horizontally movable on said test stage.
10. The pitch measuring apparatus of a variable pitch bow spring according to claim 1, wherein the caliper fixed to the caliper fixing base is located at the same level as the test table when the scale of the adjusting knob is 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332529.4U CN211317166U (en) | 2020-03-17 | 2020-03-17 | Pitch measuring device of variable-pitch arc-shaped spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332529.4U CN211317166U (en) | 2020-03-17 | 2020-03-17 | Pitch measuring device of variable-pitch arc-shaped spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624104A (en) * | 2021-07-23 | 2021-11-09 | 杭州富春弹簧有限公司 | Angle and verticality detection device for arc spring |
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2020
- 2020-03-17 CN CN202020332529.4U patent/CN211317166U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624104A (en) * | 2021-07-23 | 2021-11-09 | 杭州富春弹簧有限公司 | Angle and verticality detection device for arc spring |
| CN113624104B (en) * | 2021-07-23 | 2023-10-13 | 杭州富春弹簧有限公司 | Detection device for angle and verticality of arc spring |
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