CN219977398U - Journal slider perpendicularity measuring device - Google Patents
Journal slider perpendicularity measuring device Download PDFInfo
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- CN219977398U CN219977398U CN202321271079.2U CN202321271079U CN219977398U CN 219977398 U CN219977398 U CN 219977398U CN 202321271079 U CN202321271079 U CN 202321271079U CN 219977398 U CN219977398 U CN 219977398U
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- connecting rod
- pointer
- groove
- journal
- gravity pendulum
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- 230000005484 gravity Effects 0.000 claims abstract description 50
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a device for measuring the perpendicularity of a journal sliding block, which relates to the technical field of overhauling of a generator and comprises a connecting shaft and a positioning plate, wherein one end of the positioning plate is sleeved with one end of the surface of the connecting shaft, the position, close to the center, of the connecting shaft is sleeved with a pointer connecting rod, one end, far away from the positioning plate, of the connecting shaft is sleeved with a groove-shaped connecting rod, the bottom ends of the pointer connecting rod and the groove-shaped connecting rod are respectively connected with a pointer gravity pendulum and a groove-shaped gravity pendulum, the surface of the positioning plate is provided with a dial, the surface, close to the top surface, of the pointer connecting rod is provided with a mounting hole in a penetrating manner, the surface of the pointer connecting rod is respectively connected with the groove-shaped gravity pendulum and the pointer gravity pendulum through the groove-shaped connecting rod, the surface of the pointer connecting rod is matched with the dial on the surface of the positioning plate for perpendicular measurement, and the pointer connecting rod surface is connected with the surface of a generator rotor, and the deflection of the pointer gravity pendulum is used for measuring the perpendicularity, so that a sight of a worker is still perpendicular to the dial when the pointer gravity pendulum is at a certain distance, and the precision of site measurement is improved.
Description
Technical Field
The utility model relates to the technical field of maintenance of generators, in particular to a device for measuring the verticality of a journal slider.
Background
The generator shaft rotor serves as an important level A overhaul node of the generator set, marks that a main overhaul line of the generator body is fully paved, a journal sliding block is required to be installed at the steam end of the rotor in the process of the shaft rotor, a stator iron core protection device and an arc-shaped sliding plate are paved in the stator, the steam end of the rotor slowly slides outwards along the arc-shaped sliding plate along with the journal sliding block until the rotor is extracted from a stator bore, and a gap between the rotor and a stator in the stator bore is only 10mm by taking a QFSN-300-2 type turbo generator as an example, so that when the journal sliding block is installed, if the central line of the sliding block is not vertical, the scraping and rubbing of the rotor and the stator are possibly caused in the process of the shaft rotor, the stator iron core is damaged when the situation is serious, and great economic loss is caused to a power plant.
In the prior art, in a narrow working environment, the perpendicularity of the journal sliding block cannot be accurately measured by the existing measuring device, a visual inspection method is generally used by field constructors, the error is large, the existing vertical measuring device is generally arranged by adopting a gravity pendulum and a pointer to be reversely fixed, the integral structure is large, and measurement in a narrow space is not easy to use.
Disclosure of Invention
The utility model aims to solve the defects of low measurement precision and large volume in the prior art, and provides a journal slider verticality measuring device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a journal slider straightness measuring device that hangs down, includes connecting axle and locating plate, the locating plate cup joints with connecting axle surface one end, the connecting axle surface is close to central point and has cup jointed the pointer connecting rod, the connecting axle is kept away from the one end surface of locating plate and has cup jointed the groove type connecting rod, pointer connecting rod and groove type connecting rod bottom are connected respectively and are equipped with pointer gravity pendulum and groove type gravity pendulum, the locating plate surface is equipped with the calibrated scale, the pointer connecting rod is close to top surface department surface and runs through and be equipped with the mounting hole.
Preferably, the positioning plate surface is provided with a connecting hole near the top surface, and the positioning plate is in sliding connection with the surface of the connecting shaft through the surface connecting hole.
Preferably, the ends of the groove type connecting rod and the pointer connecting rod are both in sliding connection with the surface of the connecting shaft, and the groove type connecting rod and the locating plate are positioned on two sides of the pointer connecting rod.
Preferably, fixing holes are formed in four corners of the surface of the positioning plate in a penetrating mode, and zero scale marks of the dial are overlapped with the vertical central line axis of the surface of the positioning plate.
Preferably, the groove type gravity pendulum bottom surface is provided with a groove along the vertical central axis, and the groove position coincides with the pointer gravity pendulum bottom end position.
Preferably, the direction of the installation hole is perpendicular to the penetrating direction of the connecting shaft on the surface of the pointer connecting rod, and the surface of the pointer connecting rod is at least provided with one installation hole.
Preferably, the pointer connecting rod, the groove-shaped connecting rod and the edge of the outer surface of the positioning plate are all processed by adopting fillets.
Advantageous effects
According to the utility model, the surface of the connecting shaft is respectively connected with the groove type gravity pendulum and the pointer gravity pendulum through the groove type connecting rod and the pointer connecting rod to be used for vertical measurement by matching with the dial on the surface of the positioning plate, the surface of the pointer connecting rod is connected with the surface of the generator rotor, and the verticality is measured through the deflection of the pointer gravity pendulum, so that the arrangement of reversely fixing the gravity pendulum and the pointer in the traditional verticality measuring device is eliminated, the external dimension of the device is reduced, the distance is adjusted on the surface of the connecting shaft, the sight of a worker is still vertical to the dial when the distance is kept at a certain distance from the pointer gravity pendulum, and the field measurement accuracy is improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a diagram of a trough-type gravity pendulum structure of the present utility model;
FIG. 4 is a diagram of the gravity pendulum construction of the pointer of the present utility model;
fig. 5 is an isometric view of the present utility model.
Legend description:
1. groove type gravity pendulum; 2. a slot-type connecting rod; 3. a connecting shaft; 4. a pointer connecting rod; 5. gravity pendulum of the pointer; 6. a positioning plate; 7. a dial; 8. a fixing hole; 9. a connection hole; 10. and (5) mounting holes.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Specific embodiments of the present utility model are described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-5, the journal slider perpendicularity measuring device comprises a connecting shaft 3 and a positioning plate 6, wherein the positioning plate 6 is sleeved with one end of the surface of the connecting shaft 3, a pointer connecting rod 4 is sleeved on the surface of the connecting shaft 3 near the center, a groove-shaped connecting rod 2 is sleeved on the surface of one end of the connecting shaft 3 far away from the positioning plate 6, a pointer gravity pendulum 5 and a groove-shaped gravity pendulum 1 are respectively connected with the bottom ends of the pointer connecting rod 4 and the groove-shaped connecting rod 2, a dial 7 is arranged on the surface of the positioning plate 6, a mounting hole 10 penetrates through the surface of the position of the pointer connecting rod 4 near the top surface, the whole device is sleeved with the surface of the connecting shaft 3 through the positioning plate 6 and the groove-shaped gravity pendulum 1 respectively, gravity at two ends of the connecting shaft 3 is provided, balance at two ends of the surface of the connecting shaft 3 is kept, and the dial 7 is fixed in position through the positioning plate 6, so that a guiding effect is provided for deflection of a numerical value during perpendicularity measurement.
When the device is used, the device is mainly used for measuring the perpendicularity of a rotor and a journal slider thereof in the overhauling process of a generator, in particular use, a mounting hole 10 on the surface of a pointer connecting rod 4 is sleeved with the surface of the journal slider of the generator rotor, so that a groove type gravity pendulum 1 and a positioning plate 6 are positioned at two sides, at the moment, the pointer connecting rod 4 and the pointer gravity pendulum 5 at the bottom of the pointer connecting rod are positioned at the vertical position with the journal slider, an operator observes the deflection angle of the pointer gravity pendulum 5 through one side of the groove type gravity pendulum 1, as the bottom surface of the groove type gravity pendulum 1 is provided with a groove along the vertical central axis, the groove position coincides with the bottom end position of the pointer gravity pendulum 5, in the vertical state, the groove on the surface of the groove type gravity pendulum 1 observes the zero degree scale value of a dial 7, at the moment, the whole device is in the vertical state, and the connected journal slider is in the vertical balance state, at the moment, the groove type gravity pendulum 1 and the positioning plate 6 at the two ends of the surface of a connecting shaft 3 are inclined or deflected under the action of gravity, after deflection, the pointer gravity pendulum 5 bottom end and the surface of the dial 7 are deflected, and do not coincide with the zero degree scale line, the position of the groove type gravity pendulum 5 is reset, and the vertical balance is realized by adjusting the groove type gravity pendulum 3 and the connecting rod 3, and the position is kept by the connecting shaft 3, and the position is in the vertical balance state by the measurement.
Other limit structures in the whole device are that locating plate 6 surface is close to top surface position department and is equipped with connecting hole 9, and locating plate 6 passes through surface connecting hole 9 and connecting axle 3 surface sliding connection, locating plate 6 of being convenient for passes through connecting hole 9 and connecting axle 3 surface sliding adjustment, simultaneously dismantlement and the change of edge locating plate 6 use, trough type connecting rod 2 and pointer connecting rod 4 tip all with connecting axle 3 surface sliding connection, trough type connecting rod 2 and locating plate 6 are located pointer connecting rod 4 both sides, trough type connecting rod 2 drives trough type gravity pendulum 1 at connecting axle 3 surface sliding adjustment position of being convenient for, be convenient for keep the equilibrium at connecting axle 3 both ends, locating plate 6 surface four corners runs through and has seted up fixed orifices 8, zero scale mark and the vertical central line axis coincidence on locating plate 6 surface of calibrated scale 7, the direction of seting up of mounting hole 10 is perpendicular with pointer connecting rod 4 surface connecting axle 3's penetration direction, and pointer connecting rod 4 surface is equipped with a mounting hole 10 at least, be convenient for be connected with the journal slider surface, pointer connecting rod 4, trough type connecting rod 2 and locating plate 6 external surface edge all adopt the fillet to handle.
Example 2
Referring to fig. 1 to 5, in order to increase the stability of the whole device, limit caps may be disposed at two ends of the surface of the connecting shaft 3, to limit the sliding positions of the groove-shaped connecting rod 2 and the positioning plate 6 after sliding connection, to prevent the positioning plate 6 or the groove-shaped connecting rod 2 from sliding off from the surface of the connecting shaft 3 when the journal slider deflects excessively, to limit the positions by disposing limit caps at two ends, and to detach the installation of the surfaces of the groove-shaped connecting rod 2, the pointer connecting rod 4 and the positioning plate 6 during installation, and to limit the positions by the limit caps after installation.
Example 3
Referring to fig. 1-5, in order to ensure the accuracy of vertical measurement, the horizontal central lines of the top surfaces of the groove type gravity pendulum 1 and the pointer gravity pendulum 5 are overlapped after being connected with the surface of the connecting shaft 3, so that the axes of the groove type gravity pendulum 1, the pointer gravity pendulum 5 and the connecting shaft 3 are overlapped, and the accuracy of vertical measurement is improved.
To sum up:
the surface of the connecting shaft 3 is respectively connected with the groove type gravity pendulum 1 and the pointer gravity pendulum 5 through the groove type connecting rod 2 and the pointer connecting rod 4 to be matched with the dial 7 on the surface of the positioning plate 6 for vertical measurement, the surface of the pointer connecting rod 4 is connected with the surface of the generator rotor, the verticality is measured through the deflection of the pointer gravity pendulum 5, the arrangement of the gravity pendulum and the pointer in the reverse fixing manner in the traditional verticality measuring device is canceled, the external dimension of the device is reduced, the distance is adjusted on the surface of the connecting shaft 3, the sight of a worker is still vertical to the dial 7 when the distance is kept at the pointer gravity pendulum 5, and the field measurement accuracy is improved.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Journal slider straightness measuring device that hangs down, including connecting axle (3) and locating plate (6), its characterized in that: locating plate (6) cup joints with connecting axle (3) surface one end, connecting axle (3) surface is close to central point and has cup jointed pointer connecting rod (4), connecting axle (3) are kept away from locating plate (6) one end surface and are cup jointed groove type connecting rod (2), pointer connecting rod (4) and groove type connecting rod (2) bottom are connected respectively and are equipped with pointer gravity pendulum (5) and groove type gravity pendulum (1), locating plate (6) surface is equipped with calibrated scale (7), pointer connecting rod (4) are close to top surface department surface and run through and are equipped with mounting hole (10).
2. The journal slider perpendicularity measuring device of claim 1, wherein: the surface of the positioning plate (6) is provided with a connecting hole (9) near the top surface, and the positioning plate (6) is in sliding connection with the surface of the connecting shaft (3) through the surface connecting hole (9).
3. The journal slider perpendicularity measuring device of claim 1, wherein: the end parts of the groove-shaped connecting rod (2) and the pointer connecting rod (4) are both in sliding connection with the surface of the connecting shaft (3), and the groove-shaped connecting rod (2) and the locating plate (6) are positioned on two sides of the pointer connecting rod (4).
4. The journal slider perpendicularity measuring device of claim 1, wherein: fixing holes (8) are formed in four corners of the surface of the locating plate (6) in a penetrating mode, and zero scale marks of the dial (7) are overlapped with the vertical central line axis of the surface of the locating plate (6).
5. The journal slider perpendicularity measuring device of claim 1, wherein: the bottom surface of the groove type gravity pendulum (1) is provided with a groove along the vertical central axis, and the position of the groove coincides with the bottom end position of the pointer gravity pendulum (5).
6. The journal slider perpendicularity measuring device of claim 1, wherein: the direction of the installation hole (10) is perpendicular to the penetrating direction of the connecting shaft (3) on the surface of the pointer connecting rod (4), and at least one installation hole (10) is arranged on the surface of the pointer connecting rod (4).
7. The journal slider perpendicularity measuring device of claim 1, wherein: the edges of the outer surfaces of the pointer connecting rod (4), the groove-shaped connecting rod (2) and the positioning plate (6) are all processed by adopting fillets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321271079.2U CN219977398U (en) | 2023-05-24 | 2023-05-24 | Journal slider perpendicularity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321271079.2U CN219977398U (en) | 2023-05-24 | 2023-05-24 | Journal slider perpendicularity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977398U true CN219977398U (en) | 2023-11-07 |
Family
ID=88592329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321271079.2U Active CN219977398U (en) | 2023-05-24 | 2023-05-24 | Journal slider perpendicularity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977398U (en) |
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2023
- 2023-05-24 CN CN202321271079.2U patent/CN219977398U/en active Active
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