CN105318797A - Micrometer for testing radial wall thickness of inserted steam seal ring - Google Patents

Micrometer for testing radial wall thickness of inserted steam seal ring Download PDF

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Publication number
CN105318797A
CN105318797A CN201510881966.5A CN201510881966A CN105318797A CN 105318797 A CN105318797 A CN 105318797A CN 201510881966 A CN201510881966 A CN 201510881966A CN 105318797 A CN105318797 A CN 105318797A
Authority
CN
China
Prior art keywords
micrometer
measuring
microdrum
gage button
flap
Prior art date
Application number
CN201510881966.5A
Other languages
Chinese (zh)
Inventor
胥光启
许庆国
朱永祥
刘家顺
李松林
崔志国
曾强
周万煜
罗飞侠
刘艳平
Original Assignee
东方电气集团东方汽轮机有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 东方电气集团东方汽轮机有限公司 filed Critical 东方电气集团东方汽轮机有限公司
Priority to CN201510881966.5A priority Critical patent/CN105318797A/en
Publication of CN105318797A publication Critical patent/CN105318797A/en

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Abstract

The invention discloses a micrometer for testing radial wall thickness of an inserted steam seal ring. The micrometer comprises a micrometer stand, a measuring anvil, a micrometric screw, a locking device, a fixing sleeve, a microdrum and a force measuring device, wherein the micrometer stand is U-shaped; the measuring anvil is mounted at one end of the micrometer stand; the fixing sleeve is screwed at the other end of the micrometer stand; the micrometric screw and the force measuring device are respectively screed into two ends of the microdrum; the microdrum is screwed on the fixing sleeve and the locking device is mounted; the measuring anvil and the micrometric screw mounted at two ends of the micrometer stand correspond to each other; the measuring anvil is a flaky measuring anvil. The micrometer is simple in structure and convenient to use, and the product manufacturing cost is lowered; as the micrometer has a measuring part deep slot structure that common micrometers do not have, the size of the position near the center of a workpiece can be tested, and measurement on the size from the outer circles to the inner holes of tooth tops of steam seal rings with different axial sizes can be met.

Description

A kind of milscale measuring inserted gland sealing ring radial thickness
Technical field
The present invention relates to steam sealing ring of steam turbine wall thickness measuring device, specifically a kind of milscale measuring inserted gland sealing ring radial thickness.
Background technology
Present thermal power steam turbine group steam seal ring major part is inserted structure, its cross-sectional structure is as Fig. 1, steam seal ring 8 adds needs size A in accurate survey sheet man-hour, but the addendum width of packing inserted 9 is only 0.13mm, common milscale can only ride on single tooth, as shown in Figure 6, measuring process is difficult to control common gage button 10 and inserted 9 contact positions, makes measuring error larger.Largely affect the measuring accuracy of common milscale.
Summary of the invention
The object of the invention is to solve the technical problem, providing a kind of milscale measuring inserted gland sealing ring radial thickness, this milscale structure is simple, manufacture difficulty and cost low; Good versatility is had to the steam seal ring of different size; And simple to operate, easy to use, the requirement of measuring pointed tooth endoporus can be met well.
Realizing technical scheme of the present invention is: a kind of milscale measuring inserted gland sealing ring radial thickness, comprises chi frame, gage button, micrometric screw, locking device, fixed sleeving, microdrum and device for measuring force, and described chi frame is U-shaped, and gage button is arranged on one end of chi frame; Described fixed sleeving is spun on the other end of chi frame, after described micrometric screw and device for measuring force screw in microdrum two ends respectively, is spun on fixed sleeving by microdrum assembly, and loads onto locking device; The gage button and the micrometric screw that are arranged on chi frame two ends are mutually corresponding; Described gage button is flap-type gage button.
Described flap-type gage button cross-sectional top is arc.
Flap-type structure and the chi frame of described flap-type gage button are parallel to each other.
The invention has the beneficial effects as follows:
1, Design of Measuring Tools structure is simple, easy to use, and reduces cost of goods manifactured;
2, the flap-type gage button of the band arc structure of this measurer use, well solves the problem of the little narrow hole measuring inconvenience of steam seal ring inserted position axial dimension;
3, this measurer has the measuring point deep groove structure that conventional milscale does not possess, and energy measuring workpieces, by the size of center, meets the measurement of the different steam seal ring cylindrical of axial dimension to tooth top hole size.
Accompanying drawing explanation
Fig. 1 is inserted gland sealing ring cross section structure sketch;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the A direction view of Fig. 2;
Fig. 4 is the B-B view of Fig. 3;
Fig. 5 is that the present invention detects inserted gland sealing ring operating diagram;
Fig. 6 is that common milscale detects inserted gland sealing ring operating diagram;
Number in the figure: 1-chi frame, 2-flap-type gage button, 3-micrometric screw, 4-locking device, 5-fixed sleeving, 6-microdrum, 7-device for measuring force, 8-steam seal ring, 9-inserted, 10-common gage button, R-arc radius.
Embodiment
As shown in Figures 2 to 4: a kind of milscale measuring inserted gland sealing ring radial thickness, chi frame 1, flap-type gage button 2, micrometric screw 3, locking device 4, fixed sleeving 5, microdrum 6 and device for measuring force 7 is comprised; Described chi frame 1 is U-shaped, and flap-type gage button 2 is arranged on one end of chi frame 1; Described fixed sleeving 5 is spun on the other end of chi frame 1, and microdrum assembly is spun on fixed sleeving 5 after screwing in microdrum 6 two ends respectively by described micrometric screw 3 and device for measuring force 7, and loads onto locking device 4; The flap-type gage button 2 and the micrometric screw 3 that are arranged on chi frame 1 two ends are mutually corresponding.Described flap-type gage button 2 cross-sectional top is arc, and its arc radius R is 100mm.Flap-type structure and the chi frame 1 of described flap-type gage button 2 are parallel to each other.
Equipment adjustment process of the present invention is: the position 1) flap-type gage button 2 being screwed in chi frame 1 correspondence, guarantee the flap-type structure of flap-type gage button 2 and chi frame 1 parallel to each other; 2) fixed sleeving 5 is spun on chi frame 1, ensures that fixed sleeving 5 is fixed after being in the center of locking device 4 one side by scale mark; 3) after micrometric screw 3 and device for measuring force 7 being screwed in microdrum 6 two ends respectively, microdrum assembly is spun on fixed sleeving 5, load onto locking device 4, check and adjust milscale, under ensureing that flap-type gage button 2 and micrometric screw 3 paste death situation state, the zero-bit of fixed sleeving 5 overlaps with the zero-bit of microdrum 6, is fixed by each portion part after milscale adjustment is qualified.During adjustment, first rotate microdrum 6 knob, until micrometric screw 3 will close to flap-type gage button 2 time, rotate device for measuring force 7, can kluck be heard when micrometric screw 3 just contacts with flap-type gage button 2, at this moment stop operating.
Device of the present invention uses measuring process to be (see Fig. 5): first return to zero before measurement, and then when using the maximum cylindrical of this miking steam seal ring 8 to inserted 9 tooth top endoporus, flap-type gage button 2 one end is stuck on inserted 9 tooth top endoporus, adjustment microdrum 6, when micrometric screw 3 carries on the back arc near steam seal ring 8, change and revolve device for measuring force 7, just carry on the back when arc contacts with steam seal ring 8 can hear kluck when micrometric screw 3, adjustment position guarantees to measure minimum dimension, locking device 4 is locked, reads scale display numerical value.

Claims (3)

1. measure a milscale for inserted gland sealing ring radial thickness, comprise chi frame, gage button, micrometric screw, locking device, fixed sleeving, microdrum and device for measuring force, described chi frame is U-shaped, and gage button is arranged on one end of chi frame; Described fixed sleeving is spun on the other end of chi frame, after described micrometric screw and device for measuring force screw in microdrum two ends respectively, is spun on fixed sleeving by microdrum assembly, and loads onto locking device; The gage button and the micrometric screw that are arranged on chi frame two ends are mutually corresponding; It is characterized in that: described gage button is flap-type gage button.
2. measure the milscale of inserted gland sealing ring radial thickness according to claim 1, it is characterized in that: described flap-type gage button cross-sectional top is arc.
3. measure the milscale of inserted gland sealing ring radial thickness according to claim 1, it is characterized in that: flap-type structure and the chi frame of described flap-type gage button are parallel to each other.
CN201510881966.5A 2015-12-03 2015-12-03 Micrometer for testing radial wall thickness of inserted steam seal ring CN105318797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510881966.5A CN105318797A (en) 2015-12-03 2015-12-03 Micrometer for testing radial wall thickness of inserted steam seal ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510881966.5A CN105318797A (en) 2015-12-03 2015-12-03 Micrometer for testing radial wall thickness of inserted steam seal ring

Publications (1)

Publication Number Publication Date
CN105318797A true CN105318797A (en) 2016-02-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510881966.5A CN105318797A (en) 2015-12-03 2015-12-03 Micrometer for testing radial wall thickness of inserted steam seal ring

Country Status (1)

Country Link
CN (1) CN105318797A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019132709A1 (en) * 2017-12-29 2019-07-04 Акционерное Общество Инструментальный Завод "Красный Треугольник" Micrometers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2449188Y (en) * 2000-11-14 2001-09-19 牡丹江爱迪电力技术有限责任公司 Gland sealing gap adjusting and measuring calipers
CN2758697Y (en) * 2004-12-30 2006-02-15 东方汽轮机厂 Special micrometer for back radial face in movable blade
CN201266054Y (en) * 2008-10-05 2009-07-01 韦星野 Narrow groove measurement vernier
CN202304654U (en) * 2011-10-16 2012-07-04 胜利油田胜利泵业有限责任公司 Abnormal measuring anvil micrometer
CN204757884U (en) * 2015-07-03 2015-11-11 扬州五亭桥缸套有限公司 Be used for footpath measuring device at bottom of boats and ships cylinder liner water sealed tank position

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2449188Y (en) * 2000-11-14 2001-09-19 牡丹江爱迪电力技术有限责任公司 Gland sealing gap adjusting and measuring calipers
CN2758697Y (en) * 2004-12-30 2006-02-15 东方汽轮机厂 Special micrometer for back radial face in movable blade
CN201266054Y (en) * 2008-10-05 2009-07-01 韦星野 Narrow groove measurement vernier
CN202304654U (en) * 2011-10-16 2012-07-04 胜利油田胜利泵业有限责任公司 Abnormal measuring anvil micrometer
CN204757884U (en) * 2015-07-03 2015-11-11 扬州五亭桥缸套有限公司 Be used for footpath measuring device at bottom of boats and ships cylinder liner water sealed tank position

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019132709A1 (en) * 2017-12-29 2019-07-04 Акционерное Общество Инструментальный Завод "Красный Треугольник" Micrometers

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Application publication date: 20160210