CN207832163U - A kind of shaft centerline measurement device - Google Patents
A kind of shaft centerline measurement device Download PDFInfo
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- CN207832163U CN207832163U CN201820259097.1U CN201820259097U CN207832163U CN 207832163 U CN207832163 U CN 207832163U CN 201820259097 U CN201820259097 U CN 201820259097U CN 207832163 U CN207832163 U CN 207832163U
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- pedestal
- axis
- laser rangefinder
- reference base
- measuring
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- 238000005259 measurement Methods 0.000 title claims abstract description 74
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000009434 installation Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 10
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 10
- 241000239290 Araneae Species 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000000691 measurement method Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model proposes a kind of shaft centerline measurement devices, it is related to generating set mounting technique field, shaft centerline measurement device includes the reference cell and measuring unit of axially spaced setting, reference cell has reference base, first laser rangefinder and digital telescope, first laser rangefinder and digital telescope are installed in the first installation axle of reference base, first laser rangefinder can be around the laser of the rotation of the first installation axle and its transmitting perpendicular to the axis of reference base, and the Axis of sight of digital telescope is overlapped with the axis of reference base;Measuring unit, which has, measures pedestal and second laser rangefinder, second laser rangefinder, which is mounted on, to be measured on pedestal and can be moved around the shaft rotation for measuring pedestal, the laser of second laser rangefinder transmitting is perpendicular to the axis for measuring pedestal, the end face for measuring pedestal towards reference cell one end is equipped with graduation mark, and the zero of graduation mark is overlapped with the axis for measuring pedestal.The shaft centerline measurement device and method can reduce human error, shorten time of measuring.
Description
Technical field
The utility model is related to generating set mounting technique field, more particularly to a kind of shaft centerline measurement device.
Background technology
Generating set installation, equipment rebuilding all refer to rotation and the installment work of fixed component.Turbine-generator units rotate
The concentricity of component is the important indicator of its installation quality.Wherein, turbine-generator units unit axis include generator shaft line,
Generator and general axis after hydraulic turbine connecting shaft and the axis at exciter commutator and slip ring, the measurement of these axis and tune
Whole can be segmented gradually carries out, and can also carry out together, and the measurement and adjustment to generating set pivot center are an important process.
However, the measurement of generation current unit axis is mostly using the tool and method being more driven.It is wherein most commonly seen
The principle of piano wire earphone method be using piano wire, weight, heart frame, internal diameter thousand asked to divide disk, conducting wire, earphone, absolute altitude axis frame
Equal tools.First by generating set reference component location determination and install it is firm.By taking vertical hydropower generator as an example, first by position
Labyrinth ring sealing installs under the hydraulic turbine of unit bottom, and rotation of the following labyrinth ring axis as turbine-generator units
Shaft axis.In order to enable rotation axis visualizes, the installation from the rack of turbine-generator units the top is needed to seek heart device, and downwards
It puts and sets the piano wire with vertical so that piano wire is overlapped with lower labyrinth ring axis.This piano wire is generating set in this way
Axis, the method that each component with concentricity relationship holds inside micrometer by survey crew, measurement and piano wire
Distance, and the contact situation for carrying out judging inside micrometer with piano wire by current feedback in earphone, and then component is pacified
Holding position is adjusted, finally so that each element coaxial degree meets installation requirement.
Piano wire earphone method has the following problems in implementation process:1, efficiency is low, is needed before and after the adjustment of each component
Repeated measurement is at a distance from piano wire.2, confidence level is opposite lowers, and piano wire earphone method is influenced by the sensory difference for measuring people, is surveyed
The data measured often have differences, identical measurement people, and the measurement result of different location may also be different.
Therefore, a kind of shaft centerline measurement device is developed, human error is avoided, it is very urgent as one to improve working efficiency
Thing.
Utility model content
The purpose of this utility model is to provide a kind of shaft centerline measurement device, can reduce human error, shortens to measure and expend
Time.
In order to achieve the above objectives, the utility model proposes a kind of shaft centerline measurement devices, wherein the shaft centerline measurement device packet
Include axially spaced setting:
Reference cell, have reference base, first laser rangefinder and digital telescope, the first laser rangefinder and
The digital telescope is installed in the reference base, and the first laser rangefinder can be around the axis of the reference base
Rotation, and the laser of first laser rangefinder transmitting is perpendicular to the axis of the reference base, the digital telescope
Axis of sight overlapped with the axis of the reference base;
Measuring unit, has and measures pedestal and second laser rangefinder, and the second laser rangefinder is mounted on the survey
It measures on pedestal and can be rotated around the axis for measuring pedestal, the laser of the second laser rangefinder transmitting is perpendicular to the survey
The axis of pedestal is measured, the end face for measuring pedestal towards described reference cell one end is equipped with graduation mark, the graduation mark
Zero is overlapped with the axis for measuring pedestal.
Shaft centerline measurement device as described above, wherein the reference base has the first installation axle protruded along its axis,
The first laser rangefinder is mounted in first installation axle and can be rotated around first installation axle, and the number is looked in the distance
Mirror is mounted on the end of first installation axle, and the end face of the other end of the measurement pedestal backwards to the graduation mark is equipped with edge
It is described measure pedestal axis protrusion the second installation axle, the second laser rangefinder be mounted on second installation axle on and
It can be rotated around second installation axle.
Shaft centerline measurement device as described above, wherein the reference base and the measurement pedestal are in disk form, described
The top that pedestal is arranged at intervals on the reference base is measured, the upper table in the reference base is arranged in first installation axle
Face, second installation axle are arranged in the upper surface for measuring pedestal, and the graduation mark is arranged under the measurement pedestal
Surface.
Shaft centerline measurement device as described above, wherein the lower surface for measuring pedestal is equipped with horizontally disposed indium steel
Ruler, the graduation mark are arranged on the indium steel ruler.
Shaft centerline measurement device as described above, wherein in the reference base and be both provided with water on the measurement pedestal
Sensor.
Shaft centerline measurement device as described above, wherein the horizon sensor is electrolevel.
Shaft centerline measurement device as described above, wherein in the reference base and be both provided with tune on the measurement pedestal
Complete machine structure, each adjustment mechanism include pedestal and four adjustment bolts, and the pedestal is cylindrical and is set in described
Outside reference base or outside the measurement pedestal, each adjustment bolt runs through the side wall of the pedestal and contact is in the base
On quasi- pedestal or the measurement pedestal, each adjustment bolt coordinates with the base thread, four adjustment bolts
Circumferential direction along the pedestal is uniformly distributed.
Shaft centerline measurement device as described above, wherein the measuring device further includes benchmark holder and measures holder, described
Reference cell is arranged on the benchmark holder;The measuring unit is arranged on the measurement holder.
Compared with prior art, the utility model has the characteristics that and advantage:
The utility model proposes shaft centerline measurement device, it is quickly true using first laser rangefinder, second laser rangefinder
Determine reference component axis, component axes to be measured position, and then realize quickly measure two component Concentricity tolerances, use
High-precision laser range finder improves measurement accuracy, substitutes artificial reading using the electronical reading of laser range finder, reduces artificial
Error shortens to measure and expends the time, while can lack people and complete to measure, and reduces cost of labor, improves measurement efficiency.
Adjustment generating set pivot center work in, using the utility model proposes shaft centerline measurement device measure two
A component Concentricity tolerance data are adjusted generating set pivot center further in accordance with above-mentioned data, can improve generator
The regulated efficiency of group pivot center.
Description of the drawings
Attached drawing described here is only used for task of explanation, and is not intended to limit in any way disclosed by the utility model
Range.In addition, the shape and proportional sizes etc. of each component in figure are only schematical, it is used to help the reason to the utility model
Solution is not the specific shape and proportional sizes for limiting each component of the utility model.Those skilled in the art is new in this practicality
Under the introduction of type, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 is the structural schematic diagram (one) of reference cell in the utility model;
Fig. 2 is the structural schematic diagram (two) of reference cell in the utility model;
Fig. 3 is the structural schematic diagram (three) of reference cell in the utility model;
Fig. 4 is the structural schematic diagram (one) of measuring unit in the utility model;
Fig. 5 is the structural schematic diagram (two) of measuring unit in the utility model;
Fig. 6 is the structural schematic diagram (three) of measuring unit in the utility model;
Fig. 7 is the schematic diagram (one) of the utility model shaft centerline measurement method;
Fig. 8 is the schematic diagram (two) of the utility model central axes measurement method.
Reference sign:
110, reference cell;111, reference base;
112, first laser rangefinder;1111, the first installation axle;
113, digital telescope;120, measuring unit;
121, pedestal is measured;1211, the second installation axle;
122, second laser rangefinder;123, indium steel ruler;
130, horizon sensor;140, adjustment mechanism;
141, pedestal;142, adjustment bolt;
200, reference component;300, component to be measured.
Specific implementation mode
In conjunction with the description of attached drawing and specific embodiment of the present invention, the utility model can be clearly understood
Details.But specific embodiment of the present utility model described here, it is only used for explaining the purpose of this utility model, without
It can be understood as being limitations of the present invention in any way.Under the introduction of the utility model, technical staff is contemplated that
Arbitrary possible deformation based on the utility model, these are regarded as belonging to the scope of the utility model.
Please refer to Fig.1 to Fig. 8, the utility model proposes shaft centerline measurement device include in an axial direction between the axial direction of measuring device
Every the reference cell 110 and measuring unit 120 of setting, as shown in Figure 1 to Figure 3, reference cell 110 has reference base 111, the
One laser range finder 112 and digital telescope 113, first laser rangefinder 112 and digital telescope 113 are installed in the first peace
It fills on axis 1111, first laser rangefinder 112 can be rotated around the axis of reference base 111, and first laser rangefinder 112 is sent out
The laser penetrated is perpendicular to the axis of reference base 111, Axis of sight (the namely digital telescope 113 of digital telescope 113
Sight) it is overlapped with the axis of reference base 111;As shown in Figures 4 to 6, measuring unit 120, which has, measures pedestal 121 and second
Laser range finder 122, second laser rangefinder 122, which is mounted on, to be measured on pedestal 121 and can turn around the axis for measuring pedestal 121
Dynamic, the laser that second laser rangefinder 122 emits measures pedestal 121 towards backwards to benchmark perpendicular to the axis for measuring pedestal 121
The end face of 110 one end of unit is equipped with graduation mark, and the zero of graduation mark is overlapped with the axis for measuring pedestal 121.
The utility model further relates to a kind of generating set axis measurement method, using shaft centerline measurement device as described above,
As shown in Figure 7, Figure 8, which includes:
Reference cell 110 is arranged at the center of generating set reference component 200 step A1, and measuring unit 120 is set
It sets at the center of generating set component 300 to be measured, and makes the digital telescope 113 and measuring unit 120 of reference cell 110
Graduation mark be oppositely arranged;
Step A2 arrives the distance of 200 inner ring surface of reference component using 112 measuring basis pedestal 111 of first laser rangefinder,
111 position of adjustment reference base makes the axis of reference base 111 be overlapped with the axis of reference component 200, to determine reference component
200 axis;
Step A3, using second laser rangefinder 122 measure pedestal 121 to 300 inner ring surface of component to be measured away from
From adjustment, which measures 121 position of pedestal, makes the axis of measurement pedestal 121 be overlapped with the axis of component 300 to be measured, to be measured with determination
Measure the axis of component 300;
Step A4 observes graduation mark, the Axis of sight of digital telescope 113 and the difference of zero degree by digital telescope 113
Value (the namely difference of the axis of reference base 111 and the axis for measuring pedestal 121) is reference component 200 and portion to be measured
The coaxiality deviation of part 300.
The utility model proposes shaft centerline measurement device, utilize first laser rangefinder 112, second laser rangefinder 122
It quickly determines the axis of reference component 200, the axial location of component to be measured 300, and then realizes and quickly measure two component (bases
Quasi-component 200 and component 300 to be measured) Concentricity tolerance, it uses high-precision laser range finder and improves measurement accuracy, utilize
The electronical reading of laser range finder substitutes artificial reading, reduces human error, shortens to measure and expends the time, while it is complete to lack people
At measurement, cost of labor is reduced, improves measurement efficiency.
Adjustment generating set pivot center work in, using the utility model proposes shaft centerline measurement device and axis
Measurement method measures two component (reference component 200 and component 300 to be measured) Concentricity tolerance data, further in accordance with above-mentioned data
Generating set pivot center is adjusted, the regulated efficiency of generating set pivot center can be improved.
In the present invention, first laser rangefinder 112, second laser rangefinder 122 and digital telescope 113 (
Claim digital telescope) prior art may be used.
In the present invention, graduation mark can be the graduation mark of right-angled intersection formula, and the zero of graduation mark is located at cross friendship
At the center of fork;Graduation mark can also be the graduation mark of linear, with zero for its center, is symmetrically arranged in the both sides of zero
Positive number scale and negative scale, positive number scale and negative scale are arranged in order respectively.
In one optional example of the utility model, reference base 111 has the first installation axle protruded along its axis
1111, first laser rangefinder 112 is mounted in the first installation axle 1111 and can be rotated around the axis of the first installation axle 1111, number
Word telescope 113 is mounted on the end of the first installation axle 1111;Pedestal 121 is measured to set on the end face of the other end of graduation mark
There are the second installation axle along the axis protrusion for measuring pedestal 121, second laser rangefinder 122 to be mounted in the second installation axle 1211
And it can be rotated around the second installation axle 1211.
In one optional example of the utility model, step A2 includes:First laser rangefinder 112 is to reference component
The 200 inner ring surface launching range laser and range laser is perpendicular to the inner ring surface of reference component 200, measuring basis pedestal 111
To the distance of 200 inner ring surface of reference component, first laser rangefinder 112 is rotated around the first installation axle 1111, adjusts reference base
111 position makes first laser rangefinder 112 turn to the measurement result (reference base 111 to reference component at different location
The distance of 200 inner ring surfaces) all same, the axis of reference base 111 is overlapped with the axis of reference component 200, and then determines benchmark
The axis of component 200;
Step A3 includes:Inner ring surface launching range laser and the survey of the second laser rangefinder 122 to component 300 to be measured
Away from laser perpendicular to the inner ring surface of component 300 to be measured, the distance that pedestal 121 arrives 300 inner ring surface of component to be measured is measured,
Second laser rangefinder 122 is rotated around the second installation axle 1211, and adjustment measures the position of pedestal 121, makes second laser rangefinder
122 measurement result (measuring the distance that pedestal 121 arrives 300 inner ring surface of component to be measured) all sames turned at different location,
The axis for measuring pedestal 121 is overlapped with the axis of component 300 to be measured, and then determines the axis of component 300 to be measured.
In one optional example of the utility model, reference base 111 and measurement pedestal 121 are in disk form, measure
Pedestal 121 is arranged at intervals on the top of reference base 111, and the first installation axle 1111 is arranged in the upper surface of reference base 111, the
Two installation axles 1211 are arranged in the upper surface for measuring pedestal 121, and graduation mark is arranged in the lower surface for measuring pedestal 121.
In one optional example of the utility model, level is both provided in reference base 111 and on measurement pedestal 121
Sensor 130.
In one optional example of the utility model, horizon sensor 130 is electrolevel.Electrolevel can
Keep reference base 111 and measurement pedestal 121 horizontally disposed.
In one optional example of the utility model, generating set is vertical hydropower generator, and step A1 further includes
The position for adjusting reference base 111 by horizon sensor 130, measuring pedestal 121, makes axis and the measurement of reference base 111
The axis of pedestal 121 is overlapped with weight line.To ensure that first laser rangefinder 112 is sent out to the inner ring surface of reference component 200
Inner ring surface of the range laser penetrated perpendicular to reference component 200;Inner ring of the second laser rangefinder 122 to component 300 to be measured
Inner ring surface of the range laser of surface launching perpendicular to component 300 to be measured;So that the ranging that first laser rangefinder 112 emits swashs
Light rotates formed plane and is parallel to reference base 111, and the range laser rotation that second laser rangefinder 122 emits is formed by
Plane, which is parallel to, measures pedestal 121.
In one optional example of the utility model, adjustment is both provided in reference base 111 and on measurement pedestal 121
Mechanism 140, adjustment mechanism 140 can quickly adjust the horizontal position of reference base 111, measurement pedestal 121, each to adjust
Complete machine structure 140 include pedestal 141 and four adjustment bolts 142, pedestal 141 it is cylindrical and be set in reference base 111 or
Measure pedestal 121 outside, each adjustment bolt 142 run through pedestal 141 side wall and contact in reference base 111 or measure bottom
On seat 121, each adjustment bolt 142 is with 141 screw-thread fit of pedestal, and four adjustment bolts 142 are along the circumferential equal of pedestal 141
Cloth.When needing the position to reference base 111, measurement pedestal 121 to be finely adjusted, it is only necessary to rotate the tune of corresponding cooperation
Adjustment bolt 142 on complete machine structure 140 changes adjustment bolt 142 and stretches into the length in pedestal 141, you can changes reference base
111, the position of pedestal 121 is measured, it is convenient and efficient.
In one optional example of the utility model, the lower surface for measuring pedestal 121 is equipped with indium steel ruler 123, graduation mark
It is arranged on indium steel ruler 123.Specific indium steel ruler 123 should keep relative level, graduation mark to be arranged in indium steel with pedestal 121 is measured
The lower surface of ruler 123 and the reset of graduation mark are on the axis for measuring pedestal 121.
In one optional example of the utility model, reference cell 110 is arranged on benchmark holder;Measuring unit 120
Setting (not shown) on measuring holder.
In an optional example, benchmark holder and measurement holder are tripod, and the top of tripod is provided with branch
Platform is supportted, the upper surface of support platform is horizontal plane, and cylindric pedestal 141 is vertically arranged in the upper surface of support platform.
The utility model proposes shaft centerline measurement device operation principle it is as follows:
For example, the upper spider of generating set is a component (component 300 i.e. to be measured) with concentricity installation requirement,
And labyrinth ring central axes are generally as the axis (component 200 on the basis of labyrinth ring i.e. under the hydraulic turbine) of unit, installation under the hydraulic turbine
When unit, it is desirable that the axis of the unit all parts (axis of labyrinth ring i.e. under the axis and the hydraulic turbine of upper spider on an axis
Line is on an axis), that is, there is certain concentricity requirement.Can use at this time the utility model proposes shaft centerline measurement dress
It sets and shaft centerline measurement method, the axis of axis and upper spider (component 300 to be measured) to labyrinth under the hydraulic turbine (reference component 200)
Line measures, and adjusts the position of upper spider so that upper spider axis meets concentricity requirement with labyrinth ring axis.
First, reference cell 110 is arranged under the hydraulic turbine at the center of labyrinth ring (reference component 200), it is single by measuring
Member 120 is arranged at the center of upper spider (component 300 to be measured), and makes the digital telescope 113 of reference cell 110 and measure
The graduation mark of unit 120 is oppositely arranged;
Later, first laser rangefinder 112 under the hydraulic turbine at labyrinth ring (reference component 200) center to being confused under the hydraulic turbine
The a branch of range laser of palace ring (reference component 200) inner ring surface launching, first laser rangefinder 112 can measure reference base 111
To the distance (distance of circle center to circumference) of 200 inner ring surface of reference component, by rotating range laser, adjustment reference base
111 positions make above-mentioned distance reach to keep labyrinth ring (reference component 200) center under the center of reference base 111 and the hydraulic turbine
It is consistent to obtain center, and then determine the axis of labyrinth ring (reference component 200) under the hydraulic turbine;
Then, second laser rangefinder 122 emits range laser at upper spider (component 300 to be measured) center, measures
Axis (center) position of upper spider (component 300 to be measured), specific generation and step and reference cell 110 are essentially identical,
This is without repeating;At this point, in the respective corresponding component that first laser rangefinder 112, second laser rangefinder 122 reach
The heart;
Subsequently, labyrinth ring (reference component 200) center position uses 113 (electronics of digital telescope under the hydraulic turbine
Detector) it observes upward, read the reading of the measurement 121 lower surface indium steel ruler of pedestal at upper spider (component 300 to be measured) center
Number obtains the deviation (i.e. coaxiality deviation) at two centers;
Finally, keep labyrinth ring (reference component 200) under the hydraulic turbine motionless, adjustment upper spider (component 300 to be measured)
The installation site of horizontal direction recycles measuring unit 120 to determine the axial location of upper spider (component 300 to be measured), and leads to
It crosses digital telescope 113 and reads coaxiality deviation, repeat this step until coaxiality deviation is reduced in prescribed limit (satisfaction
Concentricity requirement) so that under the center of upper spider (component 300 to be measured) and the hydraulic turbine in labyrinth ring (reference component 200)
The heart is on same axis.
For explaining in detail for the respective embodiments described above, purpose, which is only that, explains the utility model, in order to
It better understood when the utility model, still, these descriptions cannot be with any explanation at being limit to the utility model
System, in particular, each feature described in various embodiments mutually can also be combined arbitrarily, to form other implementations
Mode, in addition to there is clearly opposite description, these features should be understood to can be applied in any one embodiment, and simultaneously
It is not only limited to described embodiment.
Claims (8)
1. a kind of shaft centerline measurement device, which is characterized in that the shaft centerline measurement device includes axially spaced setting:
Reference cell has reference base, first laser rangefinder and digital telescope, the first laser rangefinder and described
Digital telescope is installed in the reference base, and the first laser rangefinder can turn around the axis of the reference base
It is dynamic, and the laser of first laser rangefinder transmitting is perpendicular to the axis of the reference base, the digital telescope
Axis of sight is overlapped with the axis of the reference base;
Measuring unit, has and measures pedestal and second laser rangefinder, and the second laser rangefinder is mounted on the measurement bottom
And can be around the axis rotation for measuring pedestal on seat, the laser of the second laser rangefinder transmitting is perpendicular to the measurement bottom
The axis of seat, the end face for measuring pedestal towards described reference cell one end are equipped with graduation mark, the zero of the graduation mark
It is overlapped with the axis for measuring pedestal.
2. shaft centerline measurement device as described in claim 1, which is characterized in that the reference base, which has, to be protruded along its axis
First installation axle, the first laser rangefinder are mounted in first installation axle and can be rotated around first installation axle,
The digital telescope is mounted on the end of first installation axle, described to measure the other end of the pedestal backwards to the graduation mark
End face is equipped with the second installation axle along the axis protrusion for measuring pedestal, and the second laser rangefinder is mounted on described the
It can rotate in two installation axles and around second installation axle.
3. shaft centerline measurement device as claimed in claim 2, which is characterized in that the reference base and the measurement pedestal are in
Disc, the top for measuring pedestal and being arranged at intervals on the reference base, first installation axle are arranged in the benchmark
The upper surface of pedestal, second installation axle are arranged in the upper surface for measuring pedestal, and the graduation mark is arranged in the survey
Measure the lower surface of pedestal.
4. shaft centerline measurement device as claimed in claim 3, which is characterized in that the lower surface for measuring pedestal is equipped with level
The indium steel ruler of setting, the graduation mark are arranged on the indium steel ruler.
5. shaft centerline measurement device as described in claim 1, which is characterized in that in the reference base and on the measurement pedestal
It is both provided with horizon sensor.
6. shaft centerline measurement device as claimed in claim 5, which is characterized in that the horizon sensor is electrolevel.
7. shaft centerline measurement device as described in claim 1, which is characterized in that in the reference base and on the measurement pedestal
It is both provided with adjustment mechanism, each adjustment mechanism includes that pedestal and four adjustment bolts, the pedestal are cylindrical simultaneously
It is set in outside the reference base or outside the measurement pedestal, each adjustment bolt runs through side wall and the top of the pedestal
It is against on the reference base or the measurement pedestal, each adjustment bolt coordinates with the base thread, four institutes
The circumferential direction that adjustment bolt is stated along the pedestal is uniformly distributed.
8. shaft centerline measurement device as described in claim 1, which is characterized in that the measuring device further includes benchmark holder and survey
Holder is measured, the reference cell is arranged on the benchmark holder;The measuring unit is arranged on the measurement holder.
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CN201820259097.1U CN207832163U (en) | 2018-02-14 | 2018-02-14 | A kind of shaft centerline measurement device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108195338A (en) * | 2018-02-14 | 2018-06-22 | 国家电网公司 | A kind of shaft centerline measurement device and method |
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2018
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108195338A (en) * | 2018-02-14 | 2018-06-22 | 国家电网公司 | A kind of shaft centerline measurement device and method |
CN108195338B (en) * | 2018-02-14 | 2020-05-22 | 国家电网公司 | Axial line measuring device and method |
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