CN101038146A - Luminous inside micrometer used for steam turbine three cylinders jointing and internal sleeve finding - Google Patents
Luminous inside micrometer used for steam turbine three cylinders jointing and internal sleeve finding Download PDFInfo
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- CN101038146A CN101038146A CN 200610009817 CN200610009817A CN101038146A CN 101038146 A CN101038146 A CN 101038146A CN 200610009817 CN200610009817 CN 200610009817 CN 200610009817 A CN200610009817 A CN 200610009817A CN 101038146 A CN101038146 A CN 101038146A
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Abstract
The present invention relates to a lightening type micrometer for inside measuring used in the joint fitting of the three cylinders of the steam turbine and in the inner sleeve searching and the present relates to the technology of the whole assembly of the steam turbine and solves the problems that: the operation is complicated; the decision precision is low; the carrying of the product is not convenient; the cooperating of workers is influenced. Said problems are caused by the various leads used by the tools and the using of earphones in the determining process of the center value in the joint fitting of the three cylinders of the steam turbine and in the inner sleeve searching. One end of the first cylinder (8-2) of the present invention is connected with one end of the telescopic pole for measuring (8-1); the other end of the first cylinder (8-2) is fixed with one end of the second cylinder (8-4) through the sleeve (8-3); the other end of the second cylinder (8-4) is connected with the other end of the measuring rule head (8-5); the light emitting diode (8-6) is fixed on the external wall of sleeve (8-3); the light emitted from the light emitting diode (8-6) is visible. The problems that the workers suffer injuries because of being pulled or stumbled by various leads in the determining process of the center value are omitted by using the present invention.
Description
Technical field
The present invention relates to the overall mounting technology of steam turbine, be specifically related to the luminous inside micrometer of using in a kind of steam turbine three cylinders jointing and the internal sleeve finding.
Background technology
Steam turbine manufacturing plant, power plant are when installing steam turbine, all adopt traditional cylinder of opening to look for middle method, its purpose mainly is that the inside and outside cylinder of steam turbine and each cover are kept with one heart, and when preventing rotor operation because center is bad, cause rotor to grind mutually, reduce steam turbine serviceable life with stator.Publication number is that the Chinese patent of CN1405433A has proposed a kind of steam turbine general-assembling and closes cylinder and look for middle method, it is in the process of practical operation, adopted traditional steel wire centering apparatus, and will be benchmark actual measurement outer shell labyrinth casing, diaphragm housing ring and inner casing central value with the steel wire in each measurement point vertical direction.The traditional measurement instrument of above-mentioned central value has micrometer inside caliper, earphone, lead, battery etc.As shown in Figure 1, the practical operation of closing cylinder with the anterior cylinder 1 of steam turbine low-pressure, low pressure middle part cylinder 2 and low pressure rear portion cylinder 3 is the method that example illustrates definite central value of the prior art.At the center with the anterior cylinder 1 of low pressure is that benchmark is installed steel wire centering apparatus (the steel wire centering apparatus comprises wire rack 5 and steel wire 6), conductive outer wall with the anterior cylinder 1 of low pressure links to each other with the earphone 7 of charged pool with 7-2 by lead 7-1 respectively with steel wire 6 then, at this moment by the cylinder outer wall, the conduction half-path that earphone 7 and steel wire 6 are formed, both ends with micrometer inside caliper 4 abut against respectively on measurement point 1-1 and the steel wire 6 again, utilize micrometer inside caliper 4 to make above-mentioned conduction half-path closure, when the staff utilize earphone 7 heard as " giving a tongue-lashing ... give a tongue-lashing ... " sound the time, the two ends of promptly representing micrometer inside caliper 4 have effectively overlapped upward with steel wire 6 and measurement point 1-1 respectively, at this moment the numerical value of reading by micrometer inside caliper 4 is only needed active center value, has only according to this effective value and just can adjust to determine the tram of steel wire 6, and the anterior cylinder 1 of realization steam turbine low-pressure, low pressure middle part cylinder 2 and low pressure rear portion cylinder 3 accurately close cylinder.In summary, the key that obtains the active center value promptly is whether the two ends of judging micrometer inside caliper 4 effectively overlap with steel wire 6 and measurement point, and cause the problem of judging that precision reduces below in said process, existing: 1) because cylinder body is very big, there are a lot of leads to be pulled to very long distance, the staff is being with earphone to walk up and down, and lead contacts with cylinder body influences staff's judgement; 2) noise is very big in the factory, and earphone listens acoustic capacitance to be vulnerable to influence, produces error.Also there is following problems in aforesaid operations simultaneously: used a lot of leads during owing to operation, cause running cost to increase, and the staff is tripped by lead easily in the process of moving and causes casualties, lead is aging easily and caused short circuit by pinch off easily, it searches also very hard, causes the waste working time, has reduced work efficiency; Owing to used earphone, its carry very inconvenient, the battery waste is huge, produce environmental pollution, and when operation, staff's headphone is not then heard commanding's password, has influenced sharing out the work and help one another between the personnel.
Summary of the invention
In order to solve in the process of determining central value in existing steam turbine three cylinders jointing and the internal sleeve finding because of using lead various and use earphone to cause complicated operation, judge that precision is low, carry inconvenience, influence the problem that cooperates between the personnel, the invention provides the luminous inside micrometer of using in a kind of steam turbine three cylinders jointing and the internal sleeve finding, it has incorporated the function that original earphone and many leads are realized in traditional micrometer inside caliper.Luminous inside micrometer of the present invention comprises flexible gauge rod 8-1 and dip stick head 8-5, the end of dip stick head 8-5 is provided with main scale and vernier, described luminous inside micrometer also comprises the first cylindrical drum 8-2, sleeve 8-3, the second cylindrical drum 8-4 and light emitting diode 8-6, the end of the first cylindrical drum 8-2 is connected with the end of flexible gauge rod 8-1, the other end of the first cylindrical drum 8-2 is fixedlyed connected by sleeve 8-3 with the end of the second cylindrical drum 8-4, the other end of the second cylindrical drum 8-4 is connected with the other end of dip stick head 8-5, the first cylindrical drum 8-2, sleeve 8-3, the second cylindrical drum 8-4, flexible gauge rod 8-1 and dip stick head 8-5 have same central shaft, light emitting diode 8-6 is fixed on the outer wall of sleeve 8-3, and light emitting diode 8-6 issued light can be people's finding, the power input of light emitting diode 8-6 is connected with the internal face of the first cylindrical drum 8-2, and another power input of light emitting diode 8-6 is connected with the internal face of the second cylindrical drum 8-4.The described first cylindrical drum 8-2 and the second cylindrical drum 8-4 adopt conductive material; Described sleeve 8-3 adopts insulating material.
Principle of work: the present invention replaces a large amount of leads and the earphone that original measuring center value is adopted with two leads and light emitting diode, and be integrated among the former micrometer inside caliper, middle instrument---the luminous inside of using in steam turbine three cylinders jointing and the internal sleeve finding is done and is divided chi to form a kind of new looking for.As shown in Figure 2, when reality is used, earlier the direct supply positive and negative electrode is linked to each other with cylinder body with steel wire respectively by two leads, close cylinder by steam turbine and look for required conduction half-path in the middle process; Utilize luminous inside micrometer of the present invention, make the inwall measurement point 1-1 of the anterior cylinder 1 of one end overlap joint steam turbine low-pressure, make its other end overlap joint steel wire 6, after the staff sees that light emitting diode 8-6 is shinny, can conclude the full conducting in above-mentioned conduction half-path, milscale just of the present invention has been gone up with measurement point and steel wire overlap joint effectively, and the measurement point that read this moment is more effective, more accurate with respect to the vertical centre value of steel wire.The advantage that the present invention has: when 1) adopting milscale of the present invention to replace original milscale to work, only need four leads can finish the whole middle process of looking for, the length and the installation site of two leads that link to each other with power supply in these four leads immobilize, two leads that link to each other with light emitting diode are integrated in milscale inside, so in whole the looking in the process with regard to do not exist lead various, pull and the staff is tripped the problem that causes casualties by lead, thereby reduced the use amount of lead, save cost, avoided casualties.2) the present invention has replaced original earphone with light emitting diode, and judgement has more been objectified, and has improved degree of accuracy, has strengthened sensitivity.3) behind the employing instrument of the present invention, also avoided the problem of battery waste and battery pollution.4), can realize that then multiple spot measures simultaneously if use a plurality of milscales of the present invention.Because original use is earphone, certainly exist interference if multiple spot is measured simultaneously and cause error in judgement, if but utilize milscale of the present invention just not worry the problems referred to above, a plurality of milscales of the present invention when working at the same time be separate, can not cause interference problem, thereby improved work efficiency.5) the present invention easy to carry, dexterous, preserve easily, and do not exist because of carrying earphone and cause not hearing the work inconvenience of commanding password to cause.6) the present invention can make the internal diameter chi head that various models are complementary, and helps renewal part.7) the present invention is applicable in the looking for of main equipment concentricity, is widely used in steam turbine manufacturer and electricity and builds installation company.
Description of drawings
Fig. 1 is that the anterior cylinder 1 of existing steam turbine low-pressure, low pressure middle part cylinder 2 and low pressure rear portion cylinder 3 close the synoptic diagram of cylinder in looking for; Fig. 2 is a structural representation of the present invention; Fig. 3 is the first cylindrical drum 8-2 of the present invention, sleeve 8-3, the second cylindrical drum 8-4, light emitting diode 8-6, the first lead 8-7 and the second lead 8-8 annexation synoptic diagram.
Embodiment
Embodiment one: as shown in Figures 2 and 3, the luminous inside micrometer of this embodiment is by flexible gauge rod 8-1, dip stick head 8-5, the first cylindrical drum 8-2, sleeve 8-3, the second cylindrical drum 8-4 and light emitting diode 8-6 form, the end of dip stick head 8-5 is provided with main scale and vernier, the end of the first cylindrical drum 8-2 is connected with the end of flexible gauge rod 8-1, the other end of the first cylindrical drum 8-2 is fixedlyed connected by sleeve 8-3 with the end of the second cylindrical drum 8-4, the other end of the second cylindrical drum 8-4 is connected with the other end of dip stick head 8-5, the first cylindrical drum 8-2, sleeve 8-3, the second cylindrical drum 8-4, flexible gauge rod 8-1 and dip stick head 8-5 have same central shaft, light emitting diode 8-6 is fixed on the outer wall of sleeve 8-3, and light emitting diode 8-6 issued light can be people's finding, the power input of light emitting diode 8-6 is connected with the internal face of the first cylindrical drum 8-2, and another power input of light emitting diode 8-6 is connected with the internal face of the second cylindrical drum 8-4.The described first cylindrical drum 8-2 and the second cylindrical drum 8-4 adopt conductive material, for example conducting metal class materials such as copper, iron, stainless steel; Described sleeve 8-3 adopts insulating material, for example nylon, ambroin etc.
Embodiment two: referring to Fig. 2 and Fig. 3, this embodiment with the difference of embodiment one is: being connected all to adopt of being connected of being connected of the described first cylindrical drum 8-2 and flexible gauge rod 8-1, the described first cylindrical drum 8-2 and the second cylindrical drum 8-4 and sleeve 8-3, the second cylindrical drum 8-4 and dip stick head 8-5 is threaded.Other compositions are identical with embodiment one with annexation.Be threaded and be convenient to install and change the parts of damage.
Embodiment three: referring to Fig. 2 and Fig. 3, this embodiment with the difference of embodiment two is: the end of the described first cylindrical drum 8-2 is provided with internal thread, the other end of the described first cylindrical drum 8-2 has boss and be provided with external thread on boss, the inside surface of described sleeve 8-3 is provided with internal thread, the two ends of the described second cylindrical drum 8-4 all have and all are provided with external thread on boss and the boss, the outer round surface equal diameters of the other end of described flexible gauge rod 8-1, dip stick head 8-5, the first cylindrical drum 8-2, sleeve 8-3, the second cylindrical drum 8-4.Other compositions are identical with embodiment two with annexation.Adopt this embodiment to realize that the connection of each parts makes that dried minute of the present invention chi is specious, smooth, grasping is more comfortable.
Embodiment four: referring to Fig. 2 and Fig. 3, this embodiment with the difference of embodiment one is: the described first cylindrical drum 8-2 and the second cylindrical drum 8-4 adopt stainless steel, and described sleeve 8-3 adopts nylon.Other compositions are identical with embodiment one with annexation.Adopt stainless steel material to help preservation of the present invention, increase the service life, nylon material is common relatively, and cost is low.
Embodiment five: referring to Fig. 2 and Fig. 3, this embodiment with the difference of embodiment one is: described luminous inside micrometer also comprises the first lead 8-7, the second lead 8-8, the first jackscrew 8-9 and the second jackscrew 8-10; The end of the first lead 8-7 links to each other with the power input of light emitting diode 8-6, and the lower end of the first jackscrew 8-9 is inserted into the inside of the first cylindrical drum 8-2, and the other end of the first lead 8-7 is pressed on the internal face of the first cylindrical drum 8-2; The end of the second lead 8-8 links to each other with another power input of light emitting diode 8-6, and the lower end of the second jackscrew 8-10 is inserted into the inside of the second cylindrical drum 8-4, and the other end of the second lead 8-8 is pressed on the internal face of the second cylindrical drum 8-4.Other compositions are identical with embodiment one with annexation.Utilize jackscrew to make lead and cylindrical drum inwall realize that effectively conduction is connected, conveniently assemble and disassemble, be beneficial to the lead of changing damage.
Claims (6)
1, the luminous inside micrometer of using in steam turbine three cylinders jointing and the internal sleeve finding, described luminous inside micrometer comprises flexible gauge rod (8-1) and dip stick head (8-5), one end of dip stick head (8-5) is provided with main scale and vernier, it is characterized in that described luminous inside micrometer also comprises first cylindrical drum (8-2), sleeve (8-3), second cylindrical drum (8-4) and light emitting diode (8-6), one end of first cylindrical drum (8-2) is connected with an end of flexible gauge rod (8-1), one end of the other end of first cylindrical drum (8-2) and second cylindrical drum (8-4) is fixedlyed connected by sleeve (8-3), the other end of second cylindrical drum (8-4) is connected with the other end of dip stick head (8-5), first cylindrical drum (8-2), sleeve (8-3), second cylindrical drum (8-4), flexible gauge rod (8-1) and dip stick head (8-5) have same central shaft, light emitting diode (8-6) is fixed on the outer wall of sleeve (8-3), a power input of light emitting diode (8-6) is connected with the internal face of first cylindrical drum (8-2), and another power input of light emitting diode (8-6) is connected with the internal face of second cylindrical drum (8-4).
2, the luminous inside micrometer of using in steam turbine three cylinders jointing according to claim 1 and the internal sleeve finding is characterized in that described first cylindrical drum (8-2) and second cylindrical drum (8-4) adopt conductive material; Described sleeve (8-3) adopts insulating material.
3, the luminous inside micrometer of using in steam turbine three cylinders jointing according to claim 1 and the internal sleeve finding is characterized in that being connected all to adopt and being threaded of being connected of being connected of described first cylindrical drum (8-2) and flexible gauge rod (8-1), described first cylindrical drum (8-2) and second cylindrical drum (8-4) and sleeve (8-3), second cylindrical drum (8-4) and dip stick head (8-5).
4, the luminous inside micrometer of using in steam turbine three cylinders jointing according to claim 1 and the internal sleeve finding is characterized in that described luminous inside micrometer also comprises first lead (8-7), second lead (8-8), first jackscrew (8-9) and second jackscrew (8-10); One end of first lead (8-7) links to each other with a power input of light emitting diode (8-6), the lower end of first jackscrew (8-9) is inserted into the inside of first cylindrical drum (8-2), and the other end of first lead (8-7) is pressed on the internal face of first cylindrical drum (8-2); One end of second lead (8-8) links to each other with another power input of light emitting diode (8-6), the lower end of second jackscrew (8-10) is inserted into the inside of second cylindrical drum (8-4), and the other end of second lead (8-8) is pressed on the internal face of second cylindrical drum (8-4).
5, the luminous inside micrometer of using in steam turbine three cylinders jointing according to claim 2 and the internal sleeve finding is characterized in that described first cylindrical drum (8-2) and second cylindrical drum (8-4) adopt stainless steel, and described sleeve (8-3) adopts nylon.
6, the luminous inside micrometer of using in steam turbine three cylinders jointing according to claim 3 and the internal sleeve finding, an end that it is characterized in that described first cylindrical drum (8-2) is provided with internal thread, the other end of described first cylindrical drum (8-2) has boss and be provided with external thread on boss, the inside surface of described sleeve (8-3) is provided with internal thread, the two ends of described second cylindrical drum (8-4) all have and all are provided with external thread on boss and the boss, described flexible gauge rod (8-1), the other end of dip stick head (8-5), first cylindrical drum (8-2), sleeve (8-3), the outer round surface equal diameters of second cylindrical drum (8-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100098170A CN100425942C (en) | 2006-03-15 | 2006-03-15 | Luminous inside micrometer used for steam turbine three cylinders jointing and internal sleeve finding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100098170A CN100425942C (en) | 2006-03-15 | 2006-03-15 | Luminous inside micrometer used for steam turbine three cylinders jointing and internal sleeve finding |
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| Publication Number | Publication Date |
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| CN101038146A true CN101038146A (en) | 2007-09-19 |
| CN100425942C CN100425942C (en) | 2008-10-15 |
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| CNB2006100098170A Active CN100425942C (en) | 2006-03-15 | 2006-03-15 | Luminous inside micrometer used for steam turbine three cylinders jointing and internal sleeve finding |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048573A (en) * | 2014-06-30 | 2014-09-17 | 天津二十冶建设有限公司 | Precise micrometer measuring tool used for large precision equipment alignment and measuring method thereof |
| CN106863011A (en) * | 2017-02-27 | 2017-06-20 | 哈尔滨汽轮机厂有限责任公司 | A kind of steam turbine high-pressure cylinder opens grade finishing of internal diameter servicing unit and a method for fine finishing |
| CN112066840A (en) * | 2020-07-20 | 2020-12-11 | 沪东中华造船(集团)有限公司 | Tool for improving measurement precision of steel wire drawing method |
| CN112360582A (en) * | 2020-10-27 | 2021-02-12 | 国电泉州热电有限公司 | High-medium-pressure non-dummy shaft final assembly method for remanufacturing unit |
| CN113340219A (en) * | 2021-05-26 | 2021-09-03 | 河南省政院检测研究院有限公司 | Portable chimney internal diameter measuring device |
| CN113932688A (en) * | 2021-09-22 | 2022-01-14 | 成都飞机工业（集团）有限责任公司 | Hole inner diameter measuring device and measuring method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5353516A (en) * | 1993-02-05 | 1994-10-11 | Imo Industries, Inc., Quabbin Division | Turbine packing ring measuring device |
| 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 |
| JP3869315B2 (en) * | 2002-06-07 | 2007-01-17 | 株式会社東芝 | Measuring jig |
| CN1294342C (en) * | 2002-10-30 | 2007-01-10 | 东方汽轮机厂 | Steam turbine general-assembling cylinder-joining centering method |
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2006
- 2006-03-15 CN CNB2006100098170A patent/CN100425942C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048573A (en) * | 2014-06-30 | 2014-09-17 | 天津二十冶建设有限公司 | Precise micrometer measuring tool used for large precision equipment alignment and measuring method thereof |
| CN104048573B (en) * | 2014-06-30 | 2017-01-04 | 中冶天工集团天津有限公司 | A kind of method with micron micrometer measurer to main equipment installation level centering |
| CN106863011A (en) * | 2017-02-27 | 2017-06-20 | 哈尔滨汽轮机厂有限责任公司 | A kind of steam turbine high-pressure cylinder opens grade finishing of internal diameter servicing unit and a method for fine finishing |
| CN112066840A (en) * | 2020-07-20 | 2020-12-11 | 沪东中华造船(集团)有限公司 | Tool for improving measurement precision of steel wire drawing method |
| CN112360582A (en) * | 2020-10-27 | 2021-02-12 | 国电泉州热电有限公司 | High-medium-pressure non-dummy shaft final assembly method for remanufacturing unit |
| CN112360582B (en) * | 2020-10-27 | 2023-01-03 | 国电泉州热电有限公司 | High-medium-pressure non-dummy shaft final assembly method for remanufacturing unit |
| CN113340219A (en) * | 2021-05-26 | 2021-09-03 | 河南省政院检测研究院有限公司 | Portable chimney internal diameter measuring device |
| CN113932688A (en) * | 2021-09-22 | 2022-01-14 | 成都飞机工业（集团）有限责任公司 | Hole inner diameter measuring device and measuring method |
| CN113932688B (en) * | 2021-09-22 | 2022-10-25 | 成都飞机工业（集团）有限责任公司 | Hole inner diameter measuring device and measuring method |
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| CN100425942C (en) | 2008-10-15 |
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