CN112713728B - Alignment correction method for main shaft of three bearings of suspension type unit - Google Patents
Alignment correction method for main shaft of three bearings of suspension type unit Download PDFInfo
- Publication number
- CN112713728B CN112713728B CN202011605270.7A CN202011605270A CN112713728B CN 112713728 B CN112713728 B CN 112713728B CN 202011605270 A CN202011605270 A CN 202011605270A CN 112713728 B CN112713728 B CN 112713728B
- Authority
- CN
- China
- Prior art keywords
- identification line
- vertical
- rays
- line
- laser level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of hydraulic generators, in particular to a method for correcting alignment of a main shaft of a three-bearing of a suspension type unit, which comprises five steps of preparing a tool, drawing an initial identification line on a lower guide shaft neck, determining a positioning reference of an initial plane, drawing an initial identification line on a water guide shaft neck and drawing an initial identification line on an upper guide shaft neck.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of hydraulic generators, in particular to a method for aligning and correcting a main shaft of a three-part bearing of a suspension type unit.
[ background of the invention ]
The measurement and adjustment of the central axis of the main shaft of the suspended hydraulic generator are one of the most important processes in the overhaul and installation of the unit and are important indexes for measuring the overhaul quality. The central axis of the main shaft of the hydraulic generator is measured by adopting a jigger to slowly rotate the main shaft on the assembled main shaft axis and measuring the swing value of the relevant part by using a dial indicator so as to analyze the reason, the size and the direction of the swing generated by the axis. Before the central axis of the main shaft of the hydraulic generator is measured and adjusted by using a jigger, bisectors are respectively drawn at the upper guide shaft neck, the lower guide shaft neck and the water guide shaft neck along the circumference to perform eight-bisection, and the drawn bisectors correspond to the same direction, namely the drawn bisectors at the upper guide shaft neck, the lower guide shaft neck and the water guide shaft neck in the same direction are in the same vertical plane, so that initial identification lines in the same vertical plane are respectively drawn on the upper guide shaft neck, the lower guide shaft neck and the water guide shaft neck, and then the upper guide shaft neck, the lower guide shaft neck and the water guide shaft neck are divided into eight-bisection according to the drawn initial identification lines.
In the prior art, a plumb line method is generally adopted in a method for respectively drawing initial identification lines in the same vertical plane on an upper guide shaft neck, a lower guide shaft neck and a water guide shaft neck, but when a unit is not disassembled in a large scale, the plumb line method is lack of space arranged at a position adjacent to a main shaft, a passage of the unit can be blocked by a thrust oil basin, an air cooler, civil engineering and the like, the initial identification lines drawn on the upper guide shaft neck, the lower guide shaft neck and the water guide shaft neck cannot be accurately ensured to be in the same vertical plane, the unit is required to be disassembled in a large scale to accurately draw the required initial identification lines, time consumption is long, and manpower and material resources consumption is large.
[ summary of the invention ]
Due to the fact that the alignment correction method for the three bearing main shafts of the suspension type unit is provided, the initial identification lines of the upper guide shaft neck, the lower guide shaft neck and the water guide shaft neck which are located in the same vertical plane passing through the central axis of the generator main shaft can be accurately drawn without large-scale disassembly of the unit.
The technical scheme adopted by the invention is as follows: a method for aligning and correcting a main shaft of a three-bearing of a suspension type unit comprises the following steps:
(1) preparing a tool: preparing a steel ruler, a marking pen, a plumb line and a laser level, wherein the laser level is provided with a horizontal ray end and a vertical ray end, the horizontal ray end is fixed, the front surface of the horizontal ray end can emit horizontal rays, the front surface and the back surface of the vertical ray end can emit vertical rays, when the laser level is in a horizontal state, the plane formed by the horizontal rays and the vertical rays is a vertical plane, and the angle of the vertical rays can be adjusted in the vertical plane as required;
(2) drawing an initial identification line on the lower guide shaft neck: drawing a vertical first identification line at the lower guide journal of the generator by using a steel ruler, a plumb line and a marking pen, wherein the first identification line passes through the center of a lower guide shoe closest to an inlet of a lower cover plate of the generator, and the first identification line is an initial identification line on the lower guide journal;
(3) positioning reference of the initial plane: installing a laser level between a first identification line and a lower cover plate of a generator, then opening both horizontal rays and vertical rays of the laser level, and adjusting the position and the levelness of the laser level to enable the horizontal rays to pass through the central axis of a main shaft of the generator; adjusting the angle of the vertical straight-injection end to enable the vertical ray on the front side to irradiate the first identification line and coincide with the first identification line, the vertical ray on the back side to irradiate the inlet of the lower cover plate of the generator, and drawing a second identification line which coincides with the vertical ray on the back side at the inlet of the lower cover plate of the generator by using a straight steel ruler and a marking pen; then adjusting vertical rays to irradiate on the wind tunnel wall, drawing a third identification line which is superposed with the adjusted vertical rays on the wind tunnel wall by using a straight steel ruler and a marking pen, wherein the first identification line, the second identification line and the third identification line are all used as positioning references of an initial plane;
(4) drawing an initial identification line on the water guide shaft neck: installing a laser level meter below a lower cover plate of a generator, then opening horizontal rays and vertical rays of the laser level meter, adjusting the position and levelness of the laser level meter to enable positive vertical rays to irradiate a second identification line and coincide with the second identification line, enabling positive vertical rays to irradiate a third identification line and coincide with the third identification line, irradiating horizontal rays to a water guide shaft neck, drawing a fourth identification line which coincides with the horizontal rays on the water guide shaft neck by using a steel ruler and a marking pen, wherein the fourth identification line is an initial identification line on the water guide shaft neck, and at the moment, the fourth identification line and the first identification line are in the same vertical plane passing through the central axis of a main shaft of the generator;
(5) drawing an initial identification line on the upper guide shaft neck: mounting a laser level meter on a wind tunnel civil engineering step above a lower guide shaft neck, then opening horizontal rays and vertical rays of the laser level meter, and adjusting the position and the levelness of the laser level meter to enable the horizontal rays to pass through the central line of a main shaft of a generator; adjusting the angle of the vertical straight-injection end to enable the vertical ray on the back side to irradiate the first identification line and coincide with the first identification line, adjusting the angle of the vertical straight-injection end to enable the vertical ray on the front side to irradiate the upper end of the wind tunnel wall body, and drawing a fifth identification line which coincides with the adjusted vertical ray on the front side at the upper end of the wind tunnel wall body by using a steel ruler and a marking pen; adjusting the angle of the vertical straight-injection end again to enable the vertical ray on the front side to irradiate the upper part of the air cooler, and drawing a sixth identification line which is overlapped with the vertical ray on the front side after the adjustment again on the upper part of the air cooler by using a steel ruler and a marking pen; then the laser level meter is moved out of the wind tunnel and installed, then horizontal rays and vertical rays of the laser level meter are opened, the position and the levelness of the laser level meter are adjusted, the horizontal rays are made to irradiate a fifth identification line and coincide with the fifth identification line, the angle of a vertical irradiating end is adjusted, the vertical rays on the back can irradiate a sixth identification line and coincide with the sixth identification line, the angle of the vertical irradiating end is adjusted again, the vertical rays on the front irradiate the upper guide shaft neck, a steel ruler and a marking pen are used for drawing a seventh identification line which coincides with the vertical rays on the upper guide shaft neck, the seventh identification line is an initial identification line on the upper guide shaft neck, and at the moment, the first identification line, the fourth identification line and the seventh identification line are located in the same vertical plane passing through the central axis of the generator main shaft.
Further, after the first marking line is drawn, whether it is vertical or not is confirmed again using the plumb line.
Furthermore, the light emitted by the laser level meter is a cross light.
Furthermore, after the laser level meter is installed each time, a mark is made at the installation position, so that subsequent rechecking is facilitated.
Further, in the step (2) and the step (5), if the horizontal ray is not directed to the central axis of the main shaft of the generator, the light path of the horizontal ray irradiated to the adjacent component is obviously deviated.
Further, the marking line drawn by the marking pen has a width less than 0.2 mm.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the laser level meter used by the alignment correction method of the three bearing main shafts of the suspension type unit can emit horizontal rays, front vertical rays and back vertical rays, the horizontal rays, the front vertical rays and the back vertical rays are all in the same plane, a first vertical identification line is drawn at the lower guide journal of the generator by using a steel ruler, a plumb line and a marking pen, then a second identification and a third identification which are in the same plane with the first identification and pass through the central axis of the main shaft of the generator are drawn by using the laser level meter, the plane formed by the first identification, the second identification and the third identification is an initial plane, the first identification, the second identification line and the third identification line are used as positioning references of the initial plane, then the first identification, the second identification line and the third identification line are used as the positioning references, a fourth identification line in the initial plane is drawn on the water guide journal by using the laser level meter, and drawing a seventh identification line in the initial plane on the upper guide shaft neck, wherein the first identification line, the fourth identification line and the seventh identification line are respectively the initial identification lines at the lower guide shaft neck, the water guide shaft neck and the upper guide shaft neck, so that the first identification line, the fourth identification line and the seventh identification line are all in the initial plane passing through the central axis of the main shaft of the generator. The main shaft alignment correction method can accurately finish the alignment work of the lower guide shaft neck, the water guide shaft neck and the upper guide shaft neck, the plumb line is only used when the first identification line is drawn, the subsequent alignment is finished by the laser level meter, the large-scale disassembly of a machine set is not needed to provide a measurement space, a large amount of manpower and material resources are saved, and the alignment time is short.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a positioning reference for determining an initial plane in the alignment correction method for a main shaft of a three-part bearing of a suspension type unit according to the invention;
FIG. 2 is a schematic diagram of an initial marking line drawn on a water guide journal by a suspension type unit three-bearing main shaft alignment correction method according to the present invention;
FIG. 3 is a schematic diagram of an initial marking line drawn on an upper pilot journal by the suspension unit three-bearing spindle alignment correction method of the present invention;
FIG. 4 is another schematic diagram of the method for calibrating alignment of the main shaft of the three bearings of the suspension type unit according to the present invention, in which an initial identification line is drawn on the upper pilot journal;
reference numerals: 1-lower guide shaft neck, 2-lower generator cover plate, 3-inlet of lower generator cover plate, 4-laser level meter, 5-first identification line, 6-second identification line, 7-third identification line, 8-fourth identification line, 9-wind tunnel civil engineering step, 10-wind tunnel wall, 11-air cooler, 12-fifth identification line, 13-sixth identification line, 14-upper guide shaft neck, and 15-seventh identification line.
[ detailed description ] embodiments
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
A method for aligning and correcting a main shaft of a three-bearing of a suspension type unit comprises the following steps:
(1) preparing a tool: preparing a steel ruler, a marking pen, a plumb line and a laser level 4, wherein the width of a marking line drawn by the marking pen is less than 0.2mm, the laser level 4 is provided with a horizontal ray end and a vertical ray end, the horizontal ray end is fixed, the front of the horizontal ray end can emit horizontal rays, the front and the back of the vertical ray end can emit vertical rays, the light emitted by the laser level 4 is a cross-star light, when the laser level 4 is in a horizontal state, the plane formed by the horizontal rays and the vertical rays is a vertical plane, and the vertical rays can be adjusted in angle in the vertical plane as required;
(2) an initial marking line is drawn on the lower pilot journal 1: drawing a vertical first identification line 5 at the lower guide journal 1 of the generator by using a steel ruler, a plumb line and a marker pen, wherein the first identification line 5 passes through the center of a lower guide shoe at the position closest to an inlet 3 of a lower cover plate of the generator, the plumb line is used for confirming whether the first identification line 5 is vertical or not again after the first identification line 5 is drawn, and the first identification line 5 is an initial identification line on the lower guide journal 1;
(3) positioning reference of the initial plane: as shown in fig. 1, a laser level 4 is installed at one side of an inlet 3 of a lower cover plate of a generator, which is close to a main shaft of the generator, then horizontal rays and vertical rays of the laser level 4 are both opened, and the position and levelness of the laser level 4 are adjusted so that the horizontal rays pass through the central axis of the main shaft of the generator; adjusting the angle of the vertical straight beam end to enable the vertical ray on the front side to irradiate the first identification line 5 and coincide with the first identification line 5, enabling the vertical ray on the back side to irradiate the inlet 3 of the lower cover plate of the generator, and drawing a second identification line 6 which coincides with the vertical ray on the back side at the inlet 3 of the lower cover plate of the generator by using a straight steel ruler and a marking pen; then, vertical rays are adjusted to irradiate on the wind tunnel wall 10, a third identification line 7 which is overlapped with the adjusted vertical rays is drawn on the wind tunnel wall 10 by using a straight steel ruler and a marking pen, and the second identification line 6 and the third identification line 7 are used as positioning references of an initial plane;
(4) drawing an initial identification line on the water guide shaft neck: as shown in fig. 2, a laser level 4 is installed on a control ring below a generator lower cover plate 2, then horizontal rays and vertical rays of the laser level 4 are opened, the position and the levelness of the laser level 4 are adjusted, so that the positive vertical rays irradiate onto a second identification line 6 and coincide with the second identification line 6, the positive vertical rays can irradiate onto a third identification line 7 and coincide with the third identification line 7, the horizontal rays irradiate onto a water guide shaft neck, a fourth identification line 8 which coincides with the horizontal rays is drawn on the water guide shaft neck by using a steel ruler and a marking pen, the fourth identification line 8 is an initial identification line on the water guide shaft neck, and the fourth identification line 8 and the first identification line 5 are located in the same vertical plane passing through the central axis of a generator main shaft at the moment;
(5) an initial marking line is drawn on the pilot journal 14: as shown in fig. 3, the laser level 4 is installed on a wind tunnel civil engineering step 9 above the lower guide shaft neck 1, then the horizontal ray and the vertical ray of the laser level 4 are both opened, and the position and the levelness of the laser level 4 are adjusted, so that the horizontal ray passes through the central line of the main shaft of the generator; adjusting the angle of the vertical straight-injection end to enable the vertical ray on the back side to irradiate the first identification line 5 and coincide with the first identification line 5, adjusting the angle of the vertical straight-injection end to enable the vertical ray on the front side to irradiate the upper end of the wind tunnel wall body 10, and drawing a fifth identification line 12 which coincides with the adjusted vertical ray on the front side on the upper end of the wind tunnel wall body 10 by using a straight steel ruler and a marker pen; adjusting the angle of the vertical straight end again to enable the vertical ray on the front side to irradiate the upper part of the air cooler 11, and drawing a sixth identification line 13 which is overlapped with the vertical ray on the front side after the adjustment again on the upper part of the air cooler 11 by using a steel ruler and a marking pen; then the laser level meter 4 is moved out of the wind tunnel and installed, as shown in fig. 4, then the horizontal ray and the vertical ray of the laser level meter 4 are opened, the position and the levelness of the laser level meter 4 are adjusted, so that the horizontal ray irradiates on the fifth identification line 12 and coincides with the fifth identification line 12, the angle of the vertical straight end is adjusted, the vertical ray on the back side can irradiate on the sixth identification line 13 and coincides with the sixth identification line 13, the angle of the vertical straight end is adjusted again, so that the vertical ray on the front side irradiates on the upper guide journal 14, a seventh identification line 15 which coincides with the vertical ray on the front side is drawn on the upper guide journal 14 by using a steel ruler and a marking pen, the seventh identification line 15 is the initial identification line on the upper guide journal 14, at this time, the first identification line 5, the fourth identification line 8 and the seventh identification line 15 are in the same vertical plane passing through the central axis of the main shaft of the generator, namely, the initial identification lines of the upper guide shaft journal 14, the lower guide shaft journal 1 and the water guide shaft journal are in a vertical plane passing through the central axis of the generator main shaft, and alignment of the three bearing main shafts of the suspension type unit is completed.
It should be noted that after the laser level 4 is installed and positioned each time, the installation position needs to be marked, so as to facilitate subsequent rechecking work. In the steps (2) and (5), if the horizontal ray is not directed to the central axis of the main shaft of the generator, it is observed that the light trace of the horizontal ray irradiated to the adjacent component is obviously deviated, and the position and levelness of the laser level 4 need to be further adjusted to ensure that the horizontal ray is not directed to the central axis of the main shaft of the generator.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention.
Claims (6)
1. A method for aligning and correcting main shafts of three bearings of a suspension type unit is characterized by comprising the following steps: the method comprises the following steps:
(1) preparing a tool: preparing a steel ruler, a marking pen, a plumb line and a laser level, wherein the laser level is provided with a horizontal ray end and a vertical ray end, the horizontal ray end is fixed, the front surface of the horizontal ray end can emit horizontal rays, the front surface and the back surface of the vertical ray end can emit vertical rays, when the laser level is in a horizontal state, the plane formed by the horizontal rays and the vertical rays is a vertical plane, and the angle of the vertical rays can be adjusted in the vertical plane as required;
(2) drawing an initial identification line on the lower guide shaft neck: drawing a vertical first identification line at the lower guide journal of the generator by using a steel ruler, a plumb line and a marking pen, wherein the first identification line passes through the center of a lower guide shoe closest to an inlet of a lower cover plate of the generator, and the first identification line is an initial identification line on the lower guide journal;
(3) positioning reference of the initial plane: installing a laser level between a first identification line and a lower cover plate of a generator, then opening both horizontal rays and vertical rays of the laser level, and adjusting the position and the levelness of the laser level to enable the horizontal rays to pass through the central axis of a main shaft of the generator; adjusting the angle of the vertical straight-injection end to enable the vertical ray on the front side to irradiate the first identification line and coincide with the first identification line, the vertical ray on the back side to irradiate the inlet of the lower cover plate of the generator, and drawing a second identification line which coincides with the vertical ray on the back side at the inlet of the lower cover plate of the generator by using a straight steel ruler and a marking pen; then adjusting vertical rays to irradiate on the wind tunnel wall, drawing a third identification line which is superposed with the adjusted vertical rays on the wind tunnel wall by using a straight steel ruler and a marking pen, wherein the first identification line, the second identification line and the third identification line are all used as positioning references of an initial plane;
(4) drawing an initial identification line on the water guide shaft neck: installing a laser level meter below a lower cover plate of a generator, then opening horizontal rays and vertical rays of the laser level meter, adjusting the position and levelness of the laser level meter to enable positive vertical rays to irradiate a second identification line and coincide with the second identification line, enabling positive vertical rays to irradiate a third identification line and coincide with the third identification line, irradiating horizontal rays to a water guide shaft neck, drawing a fourth identification line which coincides with the horizontal rays on the water guide shaft neck by using a steel ruler and a marking pen, wherein the fourth identification line is an initial identification line on the water guide shaft neck, and at the moment, the fourth identification line and the first identification line are in the same vertical plane passing through the central axis of a main shaft of the generator;
(5) drawing an initial identification line on the upper guide shaft neck: mounting a laser level meter on a wind tunnel civil engineering step above a lower guide shaft neck, then opening horizontal rays and vertical rays of the laser level meter, and adjusting the position and the levelness of the laser level meter to enable the horizontal rays to pass through the central line of a main shaft of a generator; adjusting the angle of the vertical straight-injection end to enable the vertical ray on the back side to irradiate the first identification line and coincide with the first identification line, adjusting the angle of the vertical straight-injection end to enable the vertical ray on the front side to irradiate the upper end of the wind tunnel wall body, and drawing a fifth identification line which coincides with the adjusted vertical ray on the front side at the upper end of the wind tunnel wall body by using a steel ruler and a marking pen; adjusting the angle of the vertical straight-injection end again to enable the vertical ray on the front side to irradiate the upper part of the air cooler, and drawing a sixth identification line which is overlapped with the vertical ray on the front side after the adjustment again on the upper part of the air cooler by using a steel ruler and a marking pen; then the laser level meter is moved out of the wind tunnel and installed, then horizontal rays and vertical rays of the laser level meter are opened, the position and the levelness of the laser level meter are adjusted, the horizontal rays are made to irradiate a fifth identification line and coincide with the fifth identification line, the angle of a vertical irradiating end is adjusted, the vertical rays on the back can irradiate a sixth identification line and coincide with the sixth identification line, the angle of the vertical irradiating end is adjusted again, the vertical rays on the front irradiate the upper guide shaft neck, a steel ruler and a marking pen are used for drawing a seventh identification line which coincides with the vertical rays on the upper guide shaft neck, the seventh identification line is an initial identification line on the upper guide shaft neck, and at the moment, the first identification line, the fourth identification line and the seventh identification line are located in the same vertical plane passing through the central axis of the generator main shaft.
2. The alignment correction method for the main shaft of the three bearings of the suspension type unit as claimed in claim 1, wherein: after the first marking line is drawn, it is confirmed again whether it is vertical using the plumb line.
3. The alignment correction method for the main shaft of the three bearings of the suspension type unit as claimed in claim 1, wherein: the light emitted by the laser level meter is a cross star light.
4. The alignment correction method for the main shaft of the three bearings of the suspension type unit as claimed in claim 1, wherein: after the laser level meter is installed each time, the installation position is marked, and subsequent rechecking is facilitated.
5. The alignment correction method for the main shaft of the three bearings of the suspension type unit as claimed in claim 1, wherein: in the steps (2) and (5), if the horizontal ray is not directed to the central axis of the main shaft of the generator, the light trace of the horizontal ray irradiated to the adjacent part is obviously deviated.
6. The alignment correction method for the main shaft of the three bearings of the suspension type unit as claimed in claim 1, wherein: the marking line drawn by the marking pen is less than 0.2mm in width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011605270.7A CN112713728B (en) | 2020-12-30 | 2020-12-30 | Alignment correction method for main shaft of three bearings of suspension type unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011605270.7A CN112713728B (en) | 2020-12-30 | 2020-12-30 | Alignment correction method for main shaft of three bearings of suspension type unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112713728A CN112713728A (en) | 2021-04-27 |
| CN112713728B true CN112713728B (en) | 2022-03-25 |
Family
ID=75547076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011605270.7A Active CN112713728B (en) | 2020-12-30 | 2020-12-30 | Alignment correction method for main shaft of three bearings of suspension type unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112713728B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858042A (en) * | 2022-04-12 | 2022-08-05 | 西安热工研究院有限公司 | Automatic device and method for checking accuracy of plumb line system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10116563B4 (en) * | 2001-04-04 | 2009-05-28 | Hilti Aktiengesellschaft | Multi-axis laser emitter with optical beam splitter |
| JP4279111B2 (en) * | 2003-10-14 | 2009-06-17 | 株式会社トプコン | Measuring method and measuring system |
| JP6616077B2 (en) * | 2015-02-16 | 2019-12-04 | 株式会社トプコン | Measuring device and 3D camera |
| CN211576110U (en) * | 2020-04-30 | 2020-09-25 | 江西省交通设计研究院有限责任公司 | Auxiliary orientation device for correcting single-side station point cloud space orientation based on wire drawing point cloud |
-
2020
- 2020-12-30 CN CN202011605270.7A patent/CN112713728B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112713728A (en) | 2021-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109357631B (en) | Measuring system center calibration method based on laser displacement sensor | |
| CN109606542B (en) | Method for controlling positioning and mounting precision of special equipment base on block | |
| CN107560583B (en) | The axial line bearing calibration of cylindrical workpiece and its diameter measuring method for being segmented section | |
| US20100121606A1 (en) | Measuring of geometrical parameters for a wind turbine blade | |
| CN104977148B (en) | The detection means and method of test chamber angle of attack mechanism pivot | |
| CN105290968B (en) | A kind of center alignment method of horizontal precision milling and casting machine tool work spindle and tool system | |
| CN109878634A (en) | Marine shafting bracing wire technique | |
| CN112713728B (en) | Alignment correction method for main shaft of three bearings of suspension type unit | |
| CN204785363U (en) | Frock that theodolite was fixed and was adjusted in shipbuilding | |
| CN105798067A (en) | Accurate measurement method for installation of rolling mill base | |
| CN106738500A (en) | A kind of installation detection method of wind-powered blade mold pre-embedded bolt flange frock | |
| CN204758255U (en) | Detection apparatus for test chamber angle of attack rotation center of mechanism | |
| CN211576110U (en) | Auxiliary orientation device for correcting single-side station point cloud space orientation based on wire drawing point cloud | |
| CN106424161B (en) | A kind of method and dedicated unit of determining rolling centerline | |
| CN103009194A (en) | Non-contact inner parallel plane distance measuring method for large-sized workpiece | |
| CN109909679B (en) | Method for improving split seat ring opening precision | |
| CN106885584A (en) | Inclinometer composition error test device and measuring method | |
| CN204604307U (en) | A kind of line measurement mechanism of large scale special-shaped workpiece | |
| CN109405708B (en) | Cutter head of shield machine, cutter abrasion measurement rotating ruler, measurement system and measurement method | |
| CN206869329U (en) | One kind Laser Processing auxiliary surveys burnt instrument | |
| CN106140831B (en) | Milling train tilts and the correction locating measurement method of skew | |
| CN105937907A (en) | Assistant tool for measuring coordinate position of shielded part of ship and measuring method thereof | |
| CN107283080A (en) | It is a kind of to laser machine focal length and the measurement caliberating device of incidence angle | |
| CN204854603U (en) | Axiality inspection measuring tool | |
| CN105728475A (en) | Method for measuring rolling center line of seamless steel tube continuous rolling mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |