CN219495151U - Coaxiality measurement system based on air datum line large-span equipment - Google Patents
Coaxiality measurement system based on air datum line large-span equipment Download PDFInfo
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- CN219495151U CN219495151U CN202320220588.6U CN202320220588U CN219495151U CN 219495151 U CN219495151 U CN 219495151U CN 202320220588 U CN202320220588 U CN 202320220588U CN 219495151 U CN219495151 U CN 219495151U
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Abstract
The utility model relates to the field of equipment coaxiality measurement, in particular to a large-span equipment coaxiality measurement system based on an air datum line. The coaxiality measurement system based on the air datum line large-span equipment comprises an adjusting table, a light-in side positioning body, a light-out side positioning body and a measurement plate, wherein a laser emitter is arranged on the adjusting table, and the light-in side positioning body is positioned between the adjusting table and the light-out side positioning body; the light-in side positioning body and the light-out side positioning body comprise a positioning body and a positioning plate, the positioning body is provided with a through hole, the positioning plate is assembled on the positioning body in a positioning way and is positioned at one end of the through hole, and the positioning plate is provided with positioning scale marks; the measuring plate is provided with at least a set of, and every group of measuring plate all is equipped with the measurement scale mark including being used for positioning assembly in the income light side measuring plate and the light-emitting side measuring plate of measuring equipment both sides that awaits measuring on income light side measuring plate and the light-emitting side measuring plate.
Description
Technical Field
The utility model relates to the field of equipment coaxiality measurement, in particular to a large-span equipment coaxiality measurement system based on an air datum line.
Background
Along with the continuous development of industrial equipment, the equipment is larger and larger in size, and the requirement on the installation precision in the equipment installation process is higher and higher. Coaxiality is an important technical requirement in equipment installation.
In performing installation of large and medium-sized or pipeline-type equipment, an installation reference line is already present on the ground or in a space, and the installed equipment is required to be parallel or coaxial with the existing installation reference line. At present, a stay wire method is often adopted to measure coaxiality in production, but for installation of large-span equipment, the longer the stay wire is, the more serious the sagging of the middle part of the stay wire is, and meanwhile, the stay wire is easily interfered by environmental vibration, so that the measurement result of the stay wire method for coaxiality of the large-span equipment is not very accurate.
Disclosure of Invention
The utility model aims to provide a large-span equipment coaxiality measuring system based on an air datum line, which aims to solve the problem that the measuring result of the wire drawing method on the coaxiality of the large-span equipment in the prior art is not very accurate.
In order to achieve the above purpose, the technical scheme of the coaxiality measuring system of the large-span equipment based on the air datum line is as follows:
the coaxiality measurement system based on the air datum line large-span equipment comprises an adjusting table, a light-in side positioning body, a light-out side positioning body and a measurement plate, wherein a laser emitter is arranged on the adjusting table, and the light-in side positioning body is positioned between the adjusting table and the light-out side positioning body; the light-in side positioning body and the light-out side positioning body comprise a positioning body and a positioning plate, the positioning body is provided with a through hole, the positioning plate is assembled on the positioning body in a positioning way and is positioned at one end of the through hole, and the positioning plate is provided with positioning scale marks; the measuring plate is provided with at least a set of, and every group of measuring plate all is equipped with the measurement scale mark including being used for positioning assembly in the income light side measuring plate and the light-emitting side measuring plate of measuring equipment both sides that awaits measuring on income light side measuring plate and the light-emitting side measuring plate.
The beneficial effects are that: according to the utility model, the laser beam emitted by the laser emitter is used for replacing the stay wire, so that the straightness is good, the influence of the environment is small, and the accuracy of the measurement result of the coaxiality of the large-span equipment can be improved. The position and the gesture of the laser transmitter are adjusted through the adjusting table, so that the laser beam emitted by the laser transmitter is favorably overlapped with an air datum line. Moreover, the locating plate and the measuring plate are respectively provided with a locating scale mark and a measuring scale mark, so that the deviation distance can be intuitively obtained.
As a further improvement, the positioning plate comprises a positioning plate body and a positioning scale plate, wherein the positioning plate body is provided with a positioning plate center hole, the positioning scale plate is detachably fixed on the positioning plate body, the center line of the positioning scale plate is coincident with the center line of the positioning plate center hole, and the positioning scale plate is provided with positioning scale lines.
The beneficial effects are that: by the design, the next operation can be performed only by removing the positioning scale plate, the positioning plate is not required to be integrally removed, and the labor intensity is reduced.
As a further improvement, the positioning body is a positioning wall body.
The beneficial effects are that: by the design, coaxiality measurement can be carried out on indoor and outdoor equipment at the same time.
As a further improvement, the light-in side measuring plate and the light-out side measuring plate comprise measuring plate bodies and measuring scale plates, the measuring plate bodies are provided with measuring plate center holes, the measuring scale plates are detachably fixed on the measuring plate bodies, the center lines of the measuring scale plates are coincident with the center lines of the measuring plate center holes, and the measuring scale lines are arranged on the measuring scale plates.
The beneficial effects are that: by the design, the next operation can be performed by only removing the measuring scale plate, the whole measuring plate is not required to be removed, and the labor intensity is reduced.
As a further improvement, the measuring scale plate is a circular plate.
As a further improvement, the adjustment stage includes a translation adjustment stage and a rotation adjustment stage, the rotation adjustment stage being mounted on the translation adjustment stage, and the laser emitter being mounted on the rotation adjustment stage.
The beneficial effects are that: the design is beneficial to adjusting the position and the posture of the laser transmitter.
As a further improvement, the light incident side measuring plate is a strip-shaped plate or a circular plate.
The beneficial effects are that: the design is such that the light-in side measuring plate is suitable for circular and rectangular interfaces of most devices.
As a further improvement, the light-emitting-side measuring plate is a strip-shaped plate or a circular plate.
The beneficial effects are that: the design is such that the light-emitting side measuring plate is suitable for circular and rectangular interfaces of most devices.
Drawings
FIG. 1 is a schematic diagram of a system for measuring coaxiality of large-span equipment based on an air datum line;
fig. 2 is a schematic structural diagram of an incident side measuring plate of the first device to be measured in fig. 1;
fig. 3 is a schematic structural diagram of a light-emitting side measuring plate of the first device to be measured in fig. 1;
fig. 4 is a schematic view of the structure of the measuring scale plate in fig. 1.
In the figure: 11. a chassis; 12. a translation adjustment stage; 13. rotating the adjusting table; 14. a laser emitter; 15. a bracket; 16. a laser beam; 17. a measuring scale plate; 18. an incident light side measuring plate; 19. a first device to be measured; 20. a light-emitting side measuring plate; 21. a light-entering side positioning plate; 22. positioning a scale plate; 23. a light-entering side positioning body; 24. a light-emitting side positioning body; 25. a light-emitting side positioning plate; 26. a light-entering side through hole; 27. a light-emitting-side through hole; 28. a second device to be measured; 29. measuring a plate center hole; 30. the plate body was measured.
Detailed Description
The features and capabilities of the present utility model are described in further detail below in connection with the examples.
The utility model relates to an embodiment 1 of an air datum line large-span equipment coaxiality measuring system:
as shown in fig. 1, the air reference line-based large-span equipment coaxiality measurement system includes an adjusting stage, an incident light side positioning body, an outgoing light side positioning body, an incident light side measurement plate 18, and an outgoing light side measurement plate 20. Wherein the light-in side measuring plate 18 and the light-out side measuring plate 20 are provided with two sets.
In this embodiment, the laser transmitter 14 is mounted on a regulating stage, the laser transmitter 14 is used for transmitting the laser beam 16, and the regulating stage is used for regulating the position and posture of the laser transmitter 14 so that the laser beam 16 coincides with the air datum line. Specifically, the adjustment table includes a chassis 11, a translation adjustment table 12, and a rotation adjustment table 13, the translation adjustment table 12 is mounted on the chassis 11, the rotation adjustment table 13 is mounted on the translation adjustment table 12, and the laser emitter 14 is mounted on the rotation adjustment table 13 through a bracket 15. The translation adjusting table 12 is an existing mature product, and can realize the translation of the laser transmitter 14 in the front-back, left-right, up-down directions, and lock the translation adjusting table 12 after the translation is in place; the rotary adjusting table 13 is a mature product, and can realize the left-right swinging adjustment and the up-down pitching adjustment of the laser transmitter 14, and the rotary adjusting table 13 is locked after the adjustment is in place.
In this embodiment, the light-incident-side positioning body is located between the adjusting table and the light-emergent-side positioning body. The light-in side positioning body comprises a light-in side positioning body 23 and a light-in side positioning plate 21, a light-in side through hole 26 is formed in the light-in side positioning body 23, and the light-in side positioning plate 21 is assembled on the light-in side positioning body 23 in a positioning mode and is located at a light-in end of the light-in side through hole 26. The light-emitting side positioning body comprises a light-emitting side positioning body 24 and a light-emitting side positioning plate 25, wherein the light-emitting side positioning body 24 is provided with a light-emitting side through hole 27, and the light-emitting side positioning plate 25 is assembled on the light-emitting side positioning body 24 in a positioning way and is positioned at the light-emitting end of the light-emitting side through hole 27.
In this embodiment, positioning graduation marks are provided on the light-in side positioning plate 21 and the light-out side positioning plate 25. Specifically, the light-in side positioning plate 21 and the light-out side positioning plate 25 each include a positioning plate body and a positioning scale plate 22, the positioning plate body has a positioning plate center hole, the positioning scale plate 22 is detachably fixed on the positioning plate body by a fixing bolt, the positioning scale plate 22 can be mounted on the positioning plate body when reading is required, and the positioning scale plate 22 is taken down when reading is not required to avoid shielding the laser beam 16. The center line of the positioning scale plate 22 coincides with the center line of the center hole of the positioning plate, the center line of the center hole of the positioning plate coincides with the center lines of the light incident side through hole 26 and the light emergent side through hole 27, and the positioning scale plate 22 is provided with the positioning scale lines. Wherein, the locating plate body is a circular plate.
In this embodiment, the light incident side positioning body 23 and the light emergent side positioning body 24 are positioning walls, which may be steel structure walls or concrete walls, that is, the device to be measured may be installed in the positioning walls, or may be installed outside the positioning walls.
In this embodiment, the first device to be measured 19 and the second device to be measured 28 are both installed outside the positioning wall body, and the two devices to be measured are identical in structure and are arranged in a mirror symmetry manner, and each device to be measured corresponds to a set of light-in side measuring plate 18 and light-out side measuring plate 20. In other embodiments, the first device to be measured and the second device to be measured may be both installed outside the positioning wall, or one of the first device to be measured and the second device to be measured is installed outside the positioning wall, and the other is installed inside the positioning wall, and of course, the number of devices to be measured is not limited.
Taking the first device 19 to be measured as an example, the light incident side measuring plate 18 is positioned and assembled on the light incident side of the first device 19 to be measured, and the light emergent side measuring plate 20 is positioned and assembled on the light emergent side of the first device 19 to be measured. The light-in side measuring plate 18 and the light-out side measuring plate 20 are provided with measuring scale marks, specifically, as shown in fig. 1 to 3, the light-in side measuring plate 18 and the light-out side measuring plate 20 each include a measuring plate body 30 and a measuring scale plate 17, the measuring plate body 30 has a measuring plate center hole 29, the measuring scale plate 17 is detachably fixed on the measuring plate body 30 through a fixing bolt, the measuring scale plate 17 can be mounted on the measuring plate body 30 when reading is needed, and the measuring scale plate 17 is removed to avoid shielding the laser beam 16 when reading is not needed. The center line of the measurement scale 17 coincides with the center line of the measurement scale center hole 29, and the center of the interface of the measurement scale 17 and the first device 19 to be measured coincides, and the measurement scale 17 is provided with the measurement scale line.
It should be noted that, for the first device 19 to be measured, the measuring plate body 30 of the light-incident side measuring plate 18 is a strip-shaped plate, and the measuring plate body 30 of the light-exit side measuring plate 20 is a circular plate; for the second device to be measured 28, the measuring plate body 30 of the light-incident side measuring plate 18 is a circular plate, and the measuring plate body 30 of the light-outgoing side measuring plate 20 is a strip plate.
In this embodiment, the positioning scale plate 22 and the measuring scale plate 17 have the same structure, as shown in fig. 4, and are both circular plates, and the circular plates are provided with the cross-shaped scale marks to intuitively display the deviation direction and distance between the laser beam 16 and the equipment to be measured or the positioning wall body.
In operation, the light-in side positioning plate 21 is fixed to the light-in side through hole 26 of the light-in side positioning body 23, and the light-out side positioning plate 25 is fixed to the light-out side through hole 27 of the light-out side positioning body 24. The air reference line passes through the center of the light-in side through hole 26 and the center of the light-out side through hole 27, that is, the centers of the two positioning graduation boards 22. The laser transmitter 14 emits the laser beam 16, sequentially reads data of the deviation of the laser beam 16 from the center of the positioning scale plate 22 on the light-incident side positioning plate 21 and the light-outgoing side positioning plate 25, and adjusts the translation adjusting stage 12 and the rotation adjusting stage 13 according to the data to adjust the spatial position and posture of the laser beam 16. With multiple readings and adjustments, the laser beam 16 can ultimately be coincident with the air reference line.
The laser transmitter 14 is turned off. Then, one of the sets of the light-incident-side measuring plate 18 and the light-outgoing-side measuring plate 20 is mounted on both sides of the first device 19 to be measured; another set of the light-entering side measuring plate 18 and the light-exiting side measuring plate 20 are mounted on both sides of the second device to be measured 28.
The laser transmitter 14 is turned on, the laser beam 16 is emitted, the offset distances and directions of the light-in side measuring plates 18 and the light-out side measuring plates 20 on the two sides of the first device to be measured 19 and the light-in side measuring plates 18 and the light-out side measuring plates 20 on the two sides of the second device to be measured 28 are sequentially read, so that position and posture data of central lines of the first device to be measured 19 and the second device to be measured 28 relative to a datum line are obtained, and coaxiality of the first device to be measured 19 and the second device to be measured 28 and through holes in a positioning wall body is obtained. According to the coaxiality obtained through measurement, the installation positions of two devices to be measured can be adjusted, so that the installation accuracy of the devices is improved.
The laser beam is received by the scale plate, so that the coaxiality of the equipment to be measured is directly read out from the scale plate, and the coaxiality measuring system is sensitive to coaxiality detection of large-medium-sized or pipeline-type equipment, visual and easy to learn, simple to operate, suitable for measurement of various environments and spatial positions, and meanwhile, also used for installation and adjustment of the equipment.
Embodiment 2 of the present utility model based on an air reference line large span device coaxiality measurement system:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the light-incident side positioning plate and the light-emergent side positioning plate each include a positioning plate body and a positioning scale plate, the positioning scale plate is detachably fixed on the positioning plate body, and the positioning scale plate is provided with the positioning scale lines. In this embodiment, the light-in side positioning plate and the light-out side positioning plate do not include positioning scale plates, but positioning scale lines are directly arranged on the light-in side positioning plate and the light-out side positioning plate.
Embodiment 3 of the utility model based on an air reference line large span equipment coaxiality measurement system:
the difference between the present embodiment and embodiment 1 is that in embodiment 1, the positioning body is a positioning wall. In this embodiment, the positioning body is a positioning frame.
Example 4 of the coaxiality measurement system of the large-span equipment based on the air datum line of the utility model:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the light-in side measuring plate and the light-out side measuring plate each include a measuring plate body and a measuring scale plate, the measuring scale plate is detachably fixed on the measuring plate body, and the measuring scale plate is provided with the measuring scale lines. In this embodiment, the light-in side measuring plate and the light-out side measuring plate do not include a measuring scale plate, but measuring scale lines are directly provided on the light-in side measuring plate and the light-out side measuring plate.
Example 5 of the present utility model based on an air reference line large span device coaxiality measurement system:
this embodiment differs from embodiment 1 in that in embodiment 1, the adjustment stage includes a translation adjustment stage and a rotation adjustment stage, the rotation adjustment stage is mounted on the translation adjustment stage, and the laser emitter is mounted on the rotation adjustment stage. In this embodiment, the adjustment table is a manipulator, and the laser emitter is held by the tongs of the manipulator.
The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The coaxiality measuring system based on the air datum line large-span equipment is characterized by comprising an adjusting table, a light-in side positioning body, a light-out side positioning body and a measuring plate, wherein a laser emitter is arranged on the adjusting table, and the light-in side positioning body is positioned between the adjusting table and the light-out side positioning body; the light-in side positioning body and the light-out side positioning body comprise a positioning body and a positioning plate, the positioning body is provided with a through hole, the positioning plate is assembled on the positioning body in a positioning way and is positioned at one end of the through hole, and the positioning plate is provided with positioning scale marks; the measuring plate is provided with at least a set of, and every group of measuring plate all is equipped with the measurement scale mark including being used for positioning assembly in the income light side measuring plate and the light-emitting side measuring plate of measuring equipment both sides that awaits measuring on income light side measuring plate and the light-emitting side measuring plate.
2. The coaxiality measurement system based on the large-span equipment of the air datum line according to claim 1, wherein the positioning plate comprises a positioning plate body and a positioning scale plate, the positioning plate body is provided with a positioning plate center hole, the positioning scale plate is detachably fixed on the positioning plate body, the center line of the positioning scale plate is coincident with the center line of the positioning plate center hole, and the positioning scale mark is arranged on the positioning scale plate.
3. The system for measuring coaxiality of large-span equipment based on air datum line according to claim 1 or 2, wherein the positioning body is a positioning wall body.
4. The coaxiality measurement system based on the air datum line large-span equipment according to claim 1 or 2, wherein the light-in side measurement plate and the light-out side measurement plate comprise measurement plate bodies and measurement scale plates, the measurement plate bodies are provided with measurement plate center holes, the measurement scale plates are detachably fixed on the measurement plate bodies, the center lines of the measurement scale plates are coincident with the center lines of the measurement plate center holes, and the measurement scale marks are arranged on the measurement scale plates.
5. The system for measuring coaxiality of large-span equipment based on an air datum line according to claim 4, wherein the measuring scale plate is a circular plate.
6. The aerial baseline based large span equipment coaxiality measurement system of claim 1 or 2 wherein the adjustment station comprises a translational adjustment station and a rotational adjustment station, the rotational adjustment station being mounted on the translational adjustment station, the laser transmitter being mounted on the rotational adjustment station.
7. The coaxiality measurement system for large-span equipment based on an air reference line according to claim 1 or 2, wherein the light incident side measurement plate is a strip-shaped plate or a circular plate.
8. The coaxiality measurement system for large-span equipment based on an air reference line according to claim 1 or 2, wherein the light-emitting side measurement plate is a strip-shaped plate or a circular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320220588.6U CN219495151U (en) | 2023-02-15 | 2023-02-15 | Coaxiality measurement system based on air datum line large-span equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320220588.6U CN219495151U (en) | 2023-02-15 | 2023-02-15 | Coaxiality measurement system based on air datum line large-span equipment |
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| CN219495151U true CN219495151U (en) | 2023-08-08 |
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| CN202320220588.6U Active CN219495151U (en) | 2023-02-15 | 2023-02-15 | Coaxiality measurement system based on air datum line large-span equipment |
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- 2023-02-15 CN CN202320220588.6U patent/CN219495151U/en active Active
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