CN215373820U - Measuring device for excircle of journal in on-line machining - Google Patents
Measuring device for excircle of journal in on-line machining Download PDFInfo
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- CN215373820U CN215373820U CN202121541244.2U CN202121541244U CN215373820U CN 215373820 U CN215373820 U CN 215373820U CN 202121541244 U CN202121541244 U CN 202121541244U CN 215373820 U CN215373820 U CN 215373820U
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- micrometer
- journal
- mounting plate
- measuring
- excircle
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Abstract
The utility model discloses a measuring device for an excircle of a journal in online processing, which comprises a mounting plate, a first micrometer and a second micrometer; the mounting plate is mounted on a connecting rod of the shaft neck repairing and processing equipment; the mounting plate is provided with a first mounting position and a second mounting position which are oppositely arranged; the first micrometer is arranged on a first installation position of the installation plate, and a measuring rod of the first micrometer is opposite to the shaft neck; the second micrometer is arranged on a second installation position of the installation plate, and a measuring rod of the second micrometer is opposite to the shaft neck and is opposite to and coaxial with the measuring rod of the first micrometer. The utility model realizes direct online processing excircle measurement without disassembling and repairing processing equipment, thereby reducing the labor intensity of operators and the risk of operation and reducing the processing operation time.
Description
Technical Field
The utility model relates to the technical field of online repair measurement, in particular to a device for measuring an excircle of a journal in online processing.
Background
At present, the technology of online processing of large-scale equipment is mature day by day, and particularly, in the online repair processing of a shaft neck of a thermal power generation turbine generator set, a turbine is used as the most core equipment of thermal power generation, and the running state of the set determines the safe running and production benefit of the equipment. Once the shaft neck is worn, the movable laser device and the processing device are adopted to repair on site, original size requirements or specified size requirements are recovered, and modification period and production cost are shortened. The machining precision of the steam turbine shaft neck is high, the existing on-line machining equipment and method can meet the requirements, but the repair size detection aspect has obvious defects.
In the journal repairing and processing process, rough turning, machining precision detection and precision adjustment and correction are needed to be carried out on processing equipment so as to meet the requirement of precision of the shape and position tolerance of journal processing, in the prior art, for example, following processing equipment of a mechanical large shaft is disclosed under the application number of CN200410021197.3, rotor following processing equipment is disclosed under the application number of CN201620997601.9, following multifunctional shaft workpiece machining equipment is disclosed under the application number of CN201580345. X, following shaft workpiece machining equipment is disclosed under the application number of CN201721270584.X, and heavy rotary workpiece journal field repairing and processing device is disclosed under the application number of CN201620164290.8, after one or more turns are turned, the taper and the ovality of a machined journal surface are required to be detected so as to check the processing error, because the repairing and processing equipment cannot directly carry out size detection on a machined journal without being disassembled, only after the repairing and processing equipment is disassembled, carry out the axle journal size with the external micrometer and detect, detect the back of accomplishing, carry out the timing according to the error of processing to the processing equipment again, after the equipment, carry out the processing again, the axle journal size is checked again after the processing to guarantee the precision of processing, at this in-process, dismantle the restoration processing equipment repeatedly, increase operation personnel's intensity of labour, increased the risk of operation, still prolonged the processing activity time, still have very high requirement to operation personnel's skill simultaneously.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the utility model aims to provide a device for measuring the excircle of the journal in online machining, so that the excircle of the journal in online machining can be directly measured without disassembling and repairing machining equipment, the labor intensity of operators and the risks of operation are reduced, and the machining operation time is shortened.
In order to achieve the above object, an embodiment of the present invention provides a device for measuring an outer circle of a journal in online processing, including:
the mounting plate is mounted on a connecting rod of the shaft neck repairing and processing equipment; the mounting plate is provided with a first mounting position and a second mounting position which are oppositely arranged;
the first micrometer is arranged on a first installation position of the installation plate, and a measuring rod of the first micrometer is opposite to the shaft neck;
and the second micrometer is arranged on the second installation position of the installation plate, and a measuring rod of the second micrometer is opposite to the shaft neck and is opposite to and coaxial with the measuring rod of the first micrometer.
According to the device for measuring the excircle of the journal during online processing, the mounting plate is mounted on the connecting rod of the journal repairing and processing equipment, the first micrometer is mounted on the first mounting position of the mounting plate, and the measuring rod of the first micrometer is opposite to the journal; the second micrometer is installed at the second installation position of mounting panel, and the measuring stick of second micrometer is relative with the axle journal to relative and coaxial setting with the measuring stick of first micrometer. Therefore, the first micrometer and the second micrometer can directly carry out the on-line processing and excircle measurement of the shaft neck without disassembling and repairing processing equipment and then carrying out the processing and excircle measurement of the shaft neck, so that the labor intensity of operators and the risk of operation are reduced, and the processing operation time is reduced; the method is simple and convenient to operate, can conveniently realize the detection of the taper and the ellipticity of the excircle of the processed journal, reduces the limitation on the operation skills of operators, reduces the assembly error and the assembly times in the disassembly process of repairing and processing equipment at each time, and shortens the whole processing time.
In addition, the device for measuring the online processing excircle of the journal according to the above embodiment of the present invention may further have the following additional technical features:
optionally, the mounting plate is provided with at least two mounting holes, and the mounting holes are used for being mounted on a connecting rod of the journal repairing and processing equipment.
Optionally, the mounting plate is provided with an arc-shaped hollow matched with the outer circle of the shaft neck.
Optionally, the mounting plate is provided with a lightening hole.
Specifically, a plurality of lightening holes are arranged on the mounting plate at intervals, and the lightening holes are arranged at intervals.
Optionally, the first micrometer is mounted on the first mounting position of the mounting plate through a locking buckle, and the second micrometer is mounted on the second mounting position of the mounting plate through a locking buckle.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for measuring an outer circle of a journal in an online machining process according to an embodiment of the utility model;
FIG. 2 is a schematic view of an online processing excircle measuring device of a shaft neck, which is arranged on a connecting rod of a shaft neck repairing and processing device according to an embodiment of the utility model.
Description of the reference symbols
The device comprises a mounting plate 1, a first mounting position 11, a second mounting position 12, a mounting hole 13, an arc-shaped hollow 14, a lightening hole 15, a first micrometer 2, a measuring rod 21, a differential head 22, a second micrometer 3, a measuring rod 31, a differential head 32, a shaft neck 4, a connecting rod 5 and a tool rest 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
According to the utility model, the mounting plate is arranged on the connecting rod of the journal repairing and processing equipment, the first micrometer is arranged on the first mounting position of the mounting plate, and the measuring rod of the first micrometer is opposite to the journal; the second micrometer is installed at the second installation position of mounting panel, and the measuring stick of second micrometer is relative with the axle journal to relative and coaxial setting with the measuring stick of first micrometer. Therefore, the first micrometer and the second micrometer can directly carry out the on-line processing and excircle measurement of the shaft neck without disassembling and repairing processing equipment and then carrying out the processing and excircle measurement of the shaft neck, so that the labor intensity of operators and the risk of operation are reduced, and the processing operation time is reduced; the method is simple and convenient to operate, can conveniently realize the detection of the taper and the ellipticity of the excircle of the processed journal, reduces the limitation on the operation skills of operators, reduces the assembly error and the assembly times in the disassembly process of repairing and processing equipment at each time, and shortens the whole processing time.
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1 and 2, the device for measuring the excircle of the journal in online processing according to the embodiment of the present invention includes a mounting plate 1, a first micrometer 2 and a second micrometer 3.
The mounting plate 1 is mounted on a connecting rod 5 of a journal 4 repairing and processing device; the mounting plate 1 has a first mounting position 11 and a second mounting position 12 which are oppositely arranged.
Optionally, the mounting plate 1 is provided with at least two mounting holes 13, and the mounting holes 13 are used for mounting to the connecting rod 5 of the journal repairing and processing equipment.
Optionally, the mounting plate 1 is provided with an arc-shaped cutout 14 matching the outer circle of the journal 4.
Optionally, the mounting plate 1 is provided with lightening holes 15. Specifically, a plurality of lightening holes 15 are arranged on the mounting plate 1 at intervals, and the lightening holes 15 are arranged at intervals.
The first micrometer 2 is mounted on the mounting plate 1 at a first mounting location 11 with its measuring rod 21 opposite the journal 4. Optionally, the first micrometer 2 is mounted on the first mounting position 11 of the mounting plate 1 through a locking buckle.
The second micrometer 3 is installed on the second installation position 12 of the installation plate 1, and a measuring rod 31 of the second micrometer is opposite to the shaft neck 4 and is opposite to and coaxial with the measuring rod 21 of the first micrometer 2. Optionally, the second micrometer 3 is mounted on the second mounting position 12 of the mounting plate 1 through a locking buckle.
When the excircle of the journal is measured on line, the mounting plate 1 of the measuring device is assembled on a connecting rod 5 of a wheel disc of a non-tool-holder of processing equipment, namely the mounting plate 1 is arranged on one side of the wheel disc, and the tool holder 6 is arranged on the other side of the wheel disc; measuring and recording data A between the lower surface (first reference surface) of the first mounting position 11 and the upper surface (second reference surface) of the second mounting position 12 by using an inside micrometer; selecting a perfect reference surface of the journal 4 of the processing area to be repaired, measuring by using an outside micrometer, and recording data B; assembling the repairing and processing equipment on the shaft neck 4, and debugging the repairing and processing equipment, wherein the repairing and processing equipment has the processing requirement; assembling the differential heads (22, 32) and the measuring rods (21, 31) of the first micrometer 2 and the second micrometer 3 respectively; measuring data B and C between the shaft necks 4 on a first reference surface and a second reference surface of the same measuring shaft neck 4 by using a measuring rod 21 of a first micrometer 2 and a measuring rod 31 of a second micrometer 3 respectively, and measuring the size record; and (3) measuring the excircle size of the journal 4, namely A-B-C, checking the obtained data with the data B, and judging that the error is less than 0.02mm to be qualified.
According to the device for measuring the excircle of the journal during online processing, the mounting plate 1 is mounted on the connecting rod 5 of the journal repairing and processing equipment, the first micrometer 2 is mounted on the first mounting position 11 of the mounting plate 1, and the measuring rod of the first micrometer 2 is opposite to the journal 4; the second micrometer 3 is arranged at a second mounting position 12 of the mounting plate 1, and a measuring rod of the second micrometer 3 is opposite to the shaft neck 4 and is opposite to and coaxial with a measuring rod of the first micrometer 2. Therefore, the first micrometer 2 and the second micrometer 3 can directly carry out the online processing excircle measurement of the shaft neck 4, and the processing excircle measurement of the shaft neck 4 is carried out without disassembling and repairing processing equipment, so that the labor intensity of operators and the risk of operation are reduced, and the processing operation time is reduced; the method is simple and convenient to operate, can conveniently realize the detection of the taper and the ellipticity of the excircle of the processed journal 4, reduces the limitation on the operation skills of operators, reduces the assembly error and the assembly times in the disassembly process of repairing and processing equipment at each time, and shortens the whole processing time.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either inherently or in any other way, may be present in either component or in any other combination. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. The utility model provides a shaft neck online processing excircle measuring device which characterized in that includes:
the mounting plate is mounted on a connecting rod of the shaft neck repairing and processing equipment; the mounting plate is provided with a first mounting position and a second mounting position which are oppositely arranged;
the first micrometer is arranged on a first installation position of the installation plate, and a measuring rod of the first micrometer is opposite to the shaft neck;
and the second micrometer is arranged on the second installation position of the installation plate, and a measuring rod of the second micrometer is opposite to the shaft neck and is opposite to and coaxial with the measuring rod of the first micrometer.
2. The apparatus of claim 1, wherein the mounting plate has at least two mounting holes for mounting to a connecting rod of a journal repair machining device.
3. The device for measuring the online processing excircle of the journal as claimed in claim 1, wherein the mounting plate is provided with an arc-shaped hollow matched with the excircle of the journal.
4. The device for measuring the online processing excircle of the journal as claimed in claim 1, wherein the mounting plate is provided with lightening holes.
5. The device for measuring the online processing excircle of the journal as claimed in claim 4, wherein a plurality of lightening holes are arranged on the mounting plate at intervals, and the plurality of lightening holes are arranged at intervals.
6. The device for measuring the excircle of the online processing of the shaft neck as claimed in claim 1, wherein the first micrometer is mounted on a first mounting position of the mounting plate through a locking buckle, and the second micrometer is mounted on a second mounting position of the mounting plate through a locking buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541244.2U CN215373820U (en) | 2021-07-07 | 2021-07-07 | Measuring device for excircle of journal in on-line machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541244.2U CN215373820U (en) | 2021-07-07 | 2021-07-07 | Measuring device for excircle of journal in on-line machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215373820U true CN215373820U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541244.2U Active CN215373820U (en) | 2021-07-07 | 2021-07-07 | Measuring device for excircle of journal in on-line machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215373820U (en) |
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2021
- 2021-07-07 CN CN202121541244.2U patent/CN215373820U/en active Active
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