CN105352411A - Measurement method for depth measurement device for sealed groove - Google Patents
Measurement method for depth measurement device for sealed groove Download PDFInfo
- Publication number
- CN105352411A CN105352411A CN201510693085.0A CN201510693085A CN105352411A CN 105352411 A CN105352411 A CN 105352411A CN 201510693085 A CN201510693085 A CN 201510693085A CN 105352411 A CN105352411 A CN 105352411A
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- reference column
- piston body
- clock gauge
- face
- measurement
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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
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a measurement method for a depth measurement device for a sealed groove, and the method comprises the steps: clamping an opening end part of a positioning column on the outer wall of a convex ring of a zero setting boss of a dial indicator; enabling the convex ring to jack a piston body; enabling a spring to shrink; enabling the piston body to drive a moving rod to move upwards, thereby pushing a measuring head of the dial indicator to move; correcting the value of the dial indicator to be zero; clamping the opening end part of the positioning column in a sealed groove of a to-be-measured workpiece; jacking the piston body through an end face of the workpiece; enabling the spring to shrink; enabling the piston body to drive the moving rod to move upwards, thereby pushing the measuring head of the dial indicator to move; reading the value of the dial indicator, wherein the value is the depth of the sealed groove of the workpiece and the deviation value of a standard part. The method is advantageous in that an annular end face of an opening end of the positioning column is enabled to be attached to the plane of the lower end face of the piston rod; the positioning precision is high; the positioning column slides up and down along a measurement cylinder; the method solves problems in the prior art that human factors causes the deflection of the measuring head and the measurement is caused to be inaccurate; the method employs the dial indicator for reading values; and the numerical precision is higher.
Description
Technical field
The present invention relates to Work piece sealing groove measuring technique, particularly a kind of measuring method of seal groove depth measurement device.
Background technology
In machine-building, because seal groove deep processing is inaccurate, use rear fine and close seal premature wear, sealing effectiveness poor, affect life-span, loss of seal function.In existing measuring technique, multi-purpose calliper rule class amount cubing detects the seal groove degree of depth, and because the precision of survey crew level of skill and amount cubing self limit, to detecting the seal groove degree of depth having strict demand, the precision that seems is not enough, and error is larger.
Summary of the invention
Technical matters to be solved by this invention is, for the deficiencies in the prior art, provides a kind of measuring method of seal groove depth measurement device, to reach the object accurately measured the degree of depth of Work piece sealing groove.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of measuring method of seal groove depth measurement device, described seal groove depth measurement device comprises reference column, measuring cylinder, clock gauge, described reference column one end is provided with opening, the reference column other end is provided with the end wall connected as one with reference column sidewall, cavity is formed between the opening of reference column and end wall, described measuring cylinder comprises motion bar, described motion bar is extended with the piston body be placed in described reference column cavity, be connected by spring between the inner face of described piston body and the end wall of reference column, the upper end of described motion bar is stretched out through the end wall of described reference column, the measuring head of described clock gauge is arranged on the top of this motion bar external part and is in contact with it, the annular end face of openend sidewall end face formation and the ring seal groove shape of workpiece for measurement of described reference column adapt, under spring state of nature, the outer face of described piston body and the openend sidewall end of reference column are in same level, described measurement mechanism also comprises clock gauge to zero boss, described clock gauge comprises base to zero boss, the bulge loop stretched out by base upper surface, the annular inner wall shape of the annular outer wall of described bulge loop and the openend of described reference column adapts, the thickness of described bulge loop is identical with the seal groove degree of depth of workpiece for measurement, described clock gauge runs through bulge loop to being provided with in the middle part of zero boss, the through hole of base, described clock gauge is connected on support, described method comprises the following steps:
A) reference column open end is stuck in the bulge loop outer wall of clock gauge to zero boss, bulge loop jack-up piston body, spring contraction, piston body drives motion bar to move up, and then promotes clock gauge measuring head, is null value clock gauge school;
B) remove reference column, spring reset, the outer face of piston body and the openend sidewall end face of reference column are in same level again;
C) reference column open end is stuck in the seal groove of workpiece for measurement, piston body is by the end face jack-up of workpiece, spring contraction, piston body drives motion bar to move up, and then promote clock gauge measuring head, read the reading of clock gauge, this reading is the degree of depth of Work piece sealing groove and the deviate of standard component.
The present invention adopts said method, have the following advantages: 1, fitting with piston body lower surface plane with the openend annular end face of reference column contacts, positioning precision is high, reference column along the upper and lower slippage of measuring cylinder inwall, avoid in existing measurement because of human factor make gauge head deflection cause measure inaccurate; Adopt clock gauge reading, Numerical accuracy is higher; 2, clock gauge can be calibrated zero boss with clock gauge, eliminates clock gauge self error, keeps long-term accuracy; 3, the cavity of piston body and reference column forms piston structure, and when the springs are compressed, the air in cavity is also compressed, the compression resistance power of increase, improves being both of measurement accuracy and also can improve spring-return power.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is the structural representation of seal groove depth measurement device in the present invention;
In FIG, 1, reference column; 2, clock gauge; 3, motion bar; 4, piston body; 5, spring; 6, workpiece for measurement; 7, base; 8, bulge loop; 9, support.
Embodiment
A kind of measuring method of seal groove depth measurement device as shown in Figure 1, seal groove measurement mechanism comprises reference column 1, measuring cylinder, clock gauge 2, reference column 1 one end is provided with opening, reference column 1 other end is provided with the end wall connected as one with reference column 1 sidewall, cavity is formed between the opening of reference column 1 and end wall, measuring cylinder comprises motion bar 3, motion bar 3 is extended with the piston body 4 be placed in reference column 1 cavity, be connected by spring 5 between the inner face of piston body 4 and the end wall of reference column 1, the upper end of motion bar 3 is stretched out through the end wall of reference column 1, the measuring head of clock gauge 2 is arranged on the top of this motion bar 3 external part and is in contact with it, the annular end face of openend sidewall end face formation and the ring seal groove shape of workpiece for measurement 6 of reference column 1 adapt, under spring 5 state of nature, the outer face of piston body 4 and the openend sidewall end of reference column 1 are in same level.
Measurement mechanism also comprises clock gauge to zero boss, the bulge loop 8 that clock gauge comprises base 7 to zero boss, stretched out by base 7 upper surface, the annular inner wall shape of the annular outer wall of bulge loop 8 and the openend of reference column 1 adapts, and the thickness of bulge loop 8 is identical with the seal groove degree of depth of workpiece for measurement 6.Clock gauge runs through the through hole of bulge loop 8, base 7 to being provided with in the middle part of zero boss.Clock gauge 2 is connected on support 9.
The measuring method of seal groove depth measurement device comprises the following steps:
A) reference column 1 open end is stuck in bulge loop 8 outer wall of clock gauge to zero boss, the lower end of motion bar 3 is stretched in the through hole running through bulge loop 8, base 7, bulge loop 8 jack-up piston body 4, spring 5 shrinks, piston body 4 drives motion bar 3 to move up, and then promote clock gauge 2 measuring head, be null value clock gauge 2 school;
B) remove reference column 1, spring 5 resets, and the outer face of piston body 4 and the openend sidewall end face of reference column 1 are in same level again;
C) reference column 1 open end is stuck in the seal groove of workpiece for measurement 6, piston body 4 is by the end face jack-up of workpiece for measurement 6, spring 5 shrinks, piston body 4 drives motion bar 3 to move up, and then promote clock gauge 2 measuring head, read the reading of clock gauge 2, this reading is the degree of depth of workpiece for measurement 6 seal groove and the deviate of standard component.
To fit with piston body 4 lower surface plane with the openend annular end face of reference column 1 and contact, positioning precision is high, and reference column 1, along the upper and lower slippage of measuring cylinder inwall, avoids in existing measurement because human factor makes gauge head deflection cause to measure inaccurate; Adopt clock gauge 2 reading, Numerical accuracy is higher.Clock gauge 2 can be calibrated zero boss with clock gauge, eliminates self error of clock gauge 2, keeps long-term accuracy; Piston body 4 forms piston structure with the cavity of reference column 1, and when spring 5 is by compression, the air in cavity is also compressed, the compression resistance power of increase, improves being both of measurement accuracy and also can improve spring 5 restoring force.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that technical scheme of the present invention is carried out, or directly apply to other occasion, all within protection scope of the present invention without improving.
Claims (1)
1. the measuring method of a seal groove depth measurement device, described seal groove depth measurement device, comprise reference column (1), measuring cylinder, clock gauge (2), described reference column (1) one end is provided with opening, reference column (1) other end is provided with the end wall connected as one with reference column (1) sidewall, cavity is formed between the opening of reference column (1) and end wall, described seal groove degree of depth measuring cylinder also comprises motion bar (3), described motion bar (3) is extended with the piston body (4) be placed in described reference column (1) cavity, be connected by spring (5) between the inner face of described piston body (4) and the end wall of reference column (1), the upper end of described motion bar (3) is stretched out through the end wall of described reference column (1), the measuring head of described clock gauge (2) is arranged on the top of this motion bar (3) external part and is in contact with it, the annular end face of openend sidewall end face formation and the ring seal groove shape of workpiece for measurement (6) of described reference column (1) adapt, under spring (5) state of nature, the outer face of described piston body (4) and the openend sidewall end of reference column (1) are in same level, described measurement mechanism also comprises clock gauge to zero boss, described clock gauge comprises base (7) to zero boss, the bulge loop (8) stretched out by base (7) upper surface, the annular inner wall shape of the annular outer wall of described bulge loop (8) and the openend of described reference column (1) adapts, the thickness of described bulge loop (8) is identical with the seal groove degree of depth of workpiece for measurement (6), described clock gauge runs through bulge loop (8) to being provided with in the middle part of zero boss, the through hole of base (7), described clock gauge (2) is connected on support (9), it is characterized in that: described method comprises the following steps:
A) reference column open end is stuck in the bulge loop outer wall of clock gauge to zero boss, bulge loop jack-up piston body, spring contraction, piston body drives motion bar to move up, and then promotes clock gauge measuring head, is null value clock gauge school;
B) remove reference column, spring reset, the outer face of piston body and the openend sidewall end face of reference column are in same level again;
C) reference column open end is stuck in the seal groove of workpiece for measurement, piston body is by the end face jack-up of workpiece, spring contraction, piston body drives motion bar to move up, and then promote clock gauge measuring head, read the reading of clock gauge, this reading is the degree of depth of Work piece sealing groove and the deviate of standard component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510693085.0A CN105352411A (en) | 2015-10-20 | 2015-10-20 | Measurement method for depth measurement device for sealed groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510693085.0A CN105352411A (en) | 2015-10-20 | 2015-10-20 | Measurement method for depth measurement device for sealed groove |
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| Publication Number | Publication Date |
|---|---|
| CN105352411A true CN105352411A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510693085.0A Pending CN105352411A (en) | 2015-10-20 | 2015-10-20 | Measurement method for depth measurement device for sealed groove |
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| CN (1) | CN105352411A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767322A (en) * | 2016-12-14 | 2017-05-31 | 江门市力泰科技有限公司 | A kind of step depth band table cubing |
| CN110425955A (en) * | 2019-06-22 | 2019-11-08 | 深圳市华建工程项目管理有限公司 | A kind of wall cracks measuring device for building |
| CN112985317A (en) * | 2019-12-17 | 2021-06-18 | 中国航发商用航空发动机有限责任公司 | Detection device and method |
Citations (5)
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|---|---|---|---|---|
| JP2005345309A (en) * | 2004-06-03 | 2005-12-15 | Japan Crown Cork Co Ltd | Surface depth measuring device and measuring method of article |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN202403651U (en) * | 2011-12-30 | 2012-08-29 | 大永精机（福州）有限公司 | Comparison measuring tool for depth control on center holes in shafts |
| CN103697797A (en) * | 2013-12-31 | 2014-04-02 | 苏州市职业大学 | Inspection device for precision measurement for depth of blind hole in micro dimension |
| CN203848787U (en) * | 2014-04-29 | 2014-09-24 | 马尔精密量仪（苏州）有限公司 | Depth measuring instrument |
-
2015
- 2015-10-20 CN CN201510693085.0A patent/CN105352411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005345309A (en) * | 2004-06-03 | 2005-12-15 | Japan Crown Cork Co Ltd | Surface depth measuring device and measuring method of article |
| CN101403599A (en) * | 2007-12-19 | 2009-04-08 | 奇瑞汽车股份有限公司 | Depth detection apparatus |
| CN202403651U (en) * | 2011-12-30 | 2012-08-29 | 大永精机（福州）有限公司 | Comparison measuring tool for depth control on center holes in shafts |
| CN103697797A (en) * | 2013-12-31 | 2014-04-02 | 苏州市职业大学 | Inspection device for precision measurement for depth of blind hole in micro dimension |
| CN203848787U (en) * | 2014-04-29 | 2014-09-24 | 马尔精密量仪（苏州）有限公司 | Depth measuring instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767322A (en) * | 2016-12-14 | 2017-05-31 | 江门市力泰科技有限公司 | A kind of step depth band table cubing |
| CN110425955A (en) * | 2019-06-22 | 2019-11-08 | 深圳市华建工程项目管理有限公司 | A kind of wall cracks measuring device for building |
| CN112985317A (en) * | 2019-12-17 | 2021-06-18 | 中国航发商用航空发动机有限责任公司 | Detection device and method |
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Application publication date: 20160224 |
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