CN204240923U - The measurement mechanism in gap between power station rotor rim and large stud - Google Patents
The measurement mechanism in gap between power station rotor rim and large stud Download PDFInfo
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- CN204240923U CN204240923U CN201420773825.2U CN201420773825U CN204240923U CN 204240923 U CN204240923 U CN 204240923U CN 201420773825 U CN201420773825 U CN 201420773825U CN 204240923 U CN204240923 U CN 204240923U
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- wedge
- extension rod
- dip stick
- large stud
- gap
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Abstract
The utility model discloses the measurement mechanism in gap between a kind of power station rotor rim and large stud, comprise for inserting the first dip stick between large stud and yoke and the second dip stick from top to bottom, first dip stick comprises the first extension rod and the first wedge, second dip stick comprises the second extension rod and the second wedge, the cammed surface of the first wedge and the cammed surface of the second wedge are in being slidably matched, the stub end of the first wedge and the little head end corresponding matching of the second wedge, the little head end of the first wedge and the stub end corresponding matching of the second wedge, the cammed surface of the second wedge offers chute, the cammed surface of the first wedge is provided with for stretching into chute and the slide block that can slide up and down along chute, one side and the yoke of the first wedge are that plane coordinates, one side and the large stud of the second wedge are that plane coordinates.The structure of this measurement mechanism is simple, and easy to use, measured value accurately and reliably.
Description
Technical field
The utility model relates to a kind of measurement mechanism, is specifically related to the measurement mechanism in gap between a kind of power station rotor rim and large stud.
Background technology
As shown in Figure 1, the on-the-spot spelling rotor in usual power station, large stud 1 matches with the mounting groove 3 of yoke 2 side, after yoke 2 closed assembly completes, for ensureing that rotor causes underproof circularity and verticality to reach code requirement because of cumulative errors, thus carry out hot cushioning between yoke 2 and large stud 1.Due to measurement clearance less (about 3mm), and whole measurement length is longer, and centre position, gap is inconvenient to measure, and cannot find suitable clearance measurement tool.Clearance measurement universal method is for measuring gap, upper and lower both ends, and this method cannot ensure rotor quality, especially cannot ensure circularity and the overall verticality of rotor of rotor middle part.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides the measurement mechanism in gap between a kind of power station rotor rim and large stud.The structure of this measurement mechanism is simple, easy to use, effectively can complete the measurement of gap width between rotor top, bottom and middle part multiple positions yoke and large stud, and measured value accurately and reliably.
For achieving the above object, the technical solution adopted in the utility model is: the measurement mechanism in gap between power station rotor rim and large stud, it is characterized in that: comprise for inserting the first dip stick between large stud and yoke and the second dip stick from top to bottom, described first dip stick comprises the first extension rod and is arranged on the first wedge of described first extension rod lower end, described second dip stick comprises the second extension rod and is arranged on the second wedge of described second extension rod lower end, the cammed surface of described first wedge and the cammed surface of the second wedge are in being slidably matched, the stub end of described first wedge and the little head end corresponding matching of the second wedge, the little head end of described first wedge and the stub end corresponding matching of the second wedge, the cammed surface of described second wedge offers chute, the cammed surface of described first wedge is provided with for stretching into described chute and the slide block that can slide up and down along described chute, one side and the yoke of described first wedge are that plane coordinates, one side and the large stud of described second wedge are that plane coordinates.
The measurement mechanism in gap between above-mentioned power station rotor rim and large stud, it is characterized in that: described chute is dovetail groove, described slide block is swallow-tail form slide block.
Between above-mentioned power station rotor rim and large stud, the measurement mechanism in gap, is characterized in that: described first extension rod and the first wedge are integrally formed formula dip stick; Described second extension rod and the second wedge are integrally formed formula dip stick.
Between above-mentioned power station rotor rim and large stud, the measurement mechanism in gap, is characterized in that: described first extension rod, the first wedge, the second extension rod and the second wedge are made of steel.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model passes through the relative engagement of the first wedge and the second wedge, reflects the gap between large stud and yoke, solve the difficult problem that gap between large stud and yoke is difficult to measure cleverly by the first wedge and the second wedge.
3, the utility model is by arranging slide block and chute, effectively can guide the relative motion of the first wedge and the second wedge, improve the accuracy of measurement.
4, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, and rationally novel in design, functional reliability is high, long service life, and measurement accuracy is high, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the vertical view that rotor large stud in power station matches with yoke.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the utility model using state reference diagram.
Fig. 4 is the structural representation of the utility model first dip stick.
Fig. 5 is the A-A sectional drawing in Fig. 4.
Fig. 6 is the structural representation of the utility model second dip stick.
Fig. 7 is the B-B sectional drawing in Fig. 6.
Description of reference numerals:
1-large stud; 2-yoke; 3-mounting groove;
4-the first dip stick; 4-1-the first extension rod; 4-2-the first wedge;
4-3-slide block; 5-the second dip stick; 5-1-the second extension rod;
5-2-the second wedge; 5-3-chute.
Embodiment
As Fig. 2, a kind of power station rotor rim shown in Fig. 4 and Fig. 6 and the measurement mechanism in gap between large stud, comprise the first dip stick 4 and the second dip stick 5 for inserting from top to bottom between large stud 1 and yoke 2, described first dip stick 4 comprises the first extension rod 4-1 and is arranged on the first wedge 4-2 of described first extension rod 4-1 lower end, described second dip stick 5 comprises the second extension rod 5-1 and is arranged on the second wedge 5-2 of described second extension rod 5-1 lower end, the cammed surface of described first wedge 4-2 and the cammed surface of the second wedge 5-2 are in being slidably matched, the stub end of described first wedge 4-2 and the little head end corresponding matching of the second wedge 5-2, the little head end of described first wedge 4-2 and the stub end corresponding matching of the second wedge 5-2, one side of described first wedge 4-2 coordinates in plane with yoke 2, one side of described second wedge 5-2 coordinates in plane with large stud 1.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, the cammed surface of described second wedge 5-2 offering chute 5-3, the cammed surface of described first wedge 4-2 being provided with for stretching into described chute 5-3 and the slide block 4-3 that can slide up and down along described chute 5-3.
As shown in Figures 2 and 3, in the present embodiment, this measurement mechanism in use, first the slide block 4-3 of the first wedge 4-2 is inserted the chute 5-3 of the second wedge 5-2, the first dip stick 4 and the second dip stick 5 is made to form an entirety, first dip stick 4 and the second dip stick 5 entirety are inserted the gap between large stud 1 and yoke 2, mutually up and down push-and-pull first extension rod 4-1 and the second extension rod 5-1, until the first wedge 4-2 and yoke 2 fit tightly and the second wedge 5-2 and large stud 1 fit tightly.Then mutually corresponding mark is done on the top of the top of the first extension rod 4-1 and the second extension rod 5-1, then the first dip stick 4 and the second dip stick 5 entirety are taken out, the the first extension rod 4-1 and the second extension rod 5-1 that aligns made marks, the precise gap value in gap between this position yoke 2 and large stud 1 is with the thickness a of vernier caliper measurement to the first wedge 4-2 and the second wedge 5-2, described thickness a.Thus the measurement of gap width between the multiple positions in rotor top, bottom and middle part yoke 2 and large stud 1 can be completed.
In this enforcement, by arranging slide block 4-3 and chute 5-3, effectively can guide the relative motion of the first wedge 4-2 and the second wedge 5-2, improve the accuracy of measurement.
As shown in Figure 7, described chute 5-3 is dovetail groove.As shown in Figure 5, described slide block 4-3 is swallow-tail form slide block.By dovetail groove and swallow-tail form slide block with the use of, good to the guiding function of the first wedge 4-2 and the second wedge 5-2 relative motion, further increase the accuracy of measurement.
In the present embodiment, described first extension rod 4-1 and the first wedge 4-2 is integrally formed formula dip stick; Described second extension rod 5-1 and the second wedge 5-2 is integrally formed formula dip stick.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. the measurement mechanism in gap between power station rotor rim and large stud, it is characterized in that: comprise for inserting the first dip stick (4) between large stud (1) and yoke (2) and the second dip stick (5) from top to bottom, described first dip stick (4) comprises the first extension rod (4-1) and is arranged on first wedge (4-2) of described first extension rod (4-1) lower end, described second dip stick (5) comprises the second extension rod (5-1) and is arranged on second wedge (5-2) of described second extension rod (5-1) lower end, the cammed surface of described first wedge (4-2) and the cammed surface of the second wedge (5-2) are in being slidably matched, the stub end of described first wedge (4-2) and the little head end corresponding matching of the second wedge (5-2), the little head end of described first wedge (4-2) and the stub end corresponding matching of the second wedge (5-2), the cammed surface of described second wedge (5-2) offers chute (5-3), the cammed surface of described first wedge (4-2) is provided with for stretching into described chute (5-3) and the slide block (4-3) that can slide up and down along described chute (5-3), one side of described first wedge (4-2) coordinates in plane with yoke (2), one side of described second wedge (5-2) coordinates in plane with large stud (1).
2. the measurement mechanism in gap between power station according to claim 1 rotor rim and large stud, it is characterized in that: described chute (5-3) is dovetail groove, described slide block (4-3) is swallow-tail form slide block.
3. the measurement mechanism in gap between power station according to claim 1 rotor rim and large stud, is characterized in that: described first extension rod (4-1) and the first wedge (4-2) are integrally formed formula dip stick; Described second extension rod (5-1) and the second wedge (5-2) are integrally formed formula dip stick.
4. the measurement mechanism in gap between power station according to claim 1 rotor rim and large stud, is characterized in that: described first extension rod (4-1), the first wedge (4-2), the second extension rod (5-1) and the second wedge (5-2) are made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773825.2U CN204240923U (en) | 2014-12-09 | 2014-12-09 | The measurement mechanism in gap between power station rotor rim and large stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773825.2U CN204240923U (en) | 2014-12-09 | 2014-12-09 | The measurement mechanism in gap between power station rotor rim and large stud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204240923U true CN204240923U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420773825.2U Active CN204240923U (en) | 2014-12-09 | 2014-12-09 | The measurement mechanism in gap between power station rotor rim and large stud |
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| Country | Link |
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| CN (1) | CN204240923U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036511A (en) * | 2015-11-27 | 2017-08-11 | 通用电气公司 | Gap measuring apparatus |
| CN107525452A (en) * | 2017-08-25 | 2017-12-29 | 国家电网公司 | Large-scale pumped storage power generator motor the air gap survey tool |
| CN113446917A (en) * | 2021-08-10 | 2021-09-28 | 哈尔滨电气动力装备有限公司 | Rotor core slot width measuring tool |
-
2014
- 2014-12-09 CN CN201420773825.2U patent/CN204240923U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036511A (en) * | 2015-11-27 | 2017-08-11 | 通用电气公司 | Gap measuring apparatus |
| CN107525452A (en) * | 2017-08-25 | 2017-12-29 | 国家电网公司 | Large-scale pumped storage power generator motor the air gap survey tool |
| CN113446917A (en) * | 2021-08-10 | 2021-09-28 | 哈尔滨电气动力装备有限公司 | Rotor core slot width measuring tool |
| CN113446917B (en) * | 2021-08-10 | 2022-08-26 | 哈尔滨电气动力装备有限公司 | Rotor core slot width measuring tool |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |