CN107525494A - The reference laser method for building up of laser plummet fixing device and spherical tube bundle assembly - Google Patents
The reference laser method for building up of laser plummet fixing device and spherical tube bundle assembly Download PDFInfo
- Publication number
- CN107525494A CN107525494A CN201710570615.1A CN201710570615A CN107525494A CN 107525494 A CN107525494 A CN 107525494A CN 201710570615 A CN201710570615 A CN 201710570615A CN 107525494 A CN107525494 A CN 107525494A
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- China
- Prior art keywords
- laser
- fixing device
- base
- centering
- laser plummet
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- 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
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Laser Beam Processing (AREA)
- Lasers (AREA)
Abstract
The invention discloses a kind of laser plummet fixing device, including base, the base top is provided with support member, the support member is provided with the fixed part for being capable of fixed laser plumb aligner, the support member is provided with optical alignment passage, the base sidepiece is provided with fixed card slot, and the base top is provided with the centering peep hole corresponding with aligned with channel, and the centering peep hole communicates with fixed card slot.By being provided with support member on fixing device base, laser plummet is fixed on support member by staff, and fixing device is arranged on into required position in company with by the fixed card slot on base；Laser plummet is fixed on the clamping face of tube bundle assembly by fixing device and uses a laser as datum line, compared to entity line, laser has more preferable alignment result, and does not interfere with the insertion of antivibration bar assembly, substantially increases efficiency of assembling.The present invention is applied to nuclear power generating equipment field.
Description
Technical field
The present invention relates to nuclear power field, more particularly to a kind of laser plummet fixing device and the base of spherical tube bundle assembly
Quasi- laser method for building up.
Background technology
Lung of the imperial No.1 heap-type bundle of steam generator component of CAP1400/CAP1000/ China as nuclear power, and reactor
The pressure boundary of primary side, secondary side, reliability, security, the validity of reactor system whole phase in longevity (60 years) are played
Vital effect.The imperial No.1 heap-type bundle of steam generator part of CAP1400/CAP1000/ China is in spherical, mainly by close
Collection heat exchanger tube and the anti-vibration bar being embedded are formed, and in appearance, show as the insertion anti-vibration bar group of rule in spherical tube bundle assembly
Part.After the two row heat exchanger tubes adjacent with antivibration bar assembly penetrate tube sheet, from deep to shallow insert anti-vibration bar on two row heat exchanger tubes
Component, make it that harmful Flow vibration phenomenon not occur, it is necessary to which antivibration bar assembly should insert spherical tube bank to constrain heat exchanger tube
In the depth specified ensure and the amount of lap of respective tubes and symmetrical, it is therefore desirable to the completion baseline pair on tube bundle assembly
It is accurate.Bracing wire method is generally used in the baseline alignment of tube bundle assembly now, but due to the multiple dismounting and recovery of measuring line
Accumulated error will be produced, measurement result will be had an impact after accumulated error reaches a certain amount of, while datum line is entity, often
The insertion of layer antivibration bar assembly is that entity is continuous, is inevitably interfered, therefore the installation of antivibration bar assembly needs spy
Do not pay attention to, have a strong impact on efficiency of assembling.
The content of the invention
, can be effective it is an object of the invention to provide a kind of laser plummet fixing device in order to solve the above problems
Fixed laser plumb aligner and laser plummet is arranged on required position.
The technical solution adopted in the present invention is：A kind of laser plummet fixing device, including base, the base top
Provided with support member, the support member is provided with the fixed part for being capable of fixed laser plumb aligner, and the support member is provided with optics pair
Quasi- passage, the base sidepiece are provided with fixed card slot, and the base top is provided with the centering corresponding with optical alignment passage and seen
Hole is examined, the centering peep hole communicates with fixed card slot.
As the further improvement of above-mentioned technical proposal, the support member includes bottom plate, and the bottom plate passes through company with base
Extension bar is fixedly linked, and is slid laterally on the bottom plate and is connected with the first moving assembly, and first moving assembly is provided with first
Optical alignment hole.
As the further improvement of above-mentioned technical proposal, on first moving assembly longitudinal sliding motion be connected with the second movement
Component, second moving assembly are provided with the second optical alignment hole, the first optical alignment hole and the second optical alignment hole
Communicate and form optical alignment passage, the fixed part is located at the top of the second moving assembly.
As the further improvement of above-mentioned technical proposal, the fixed part includes three fixtures, and three fixtures are in three
Angular structure is distributed at the top of the second moving assembly, and three fixtures, which surround, is capable of the empty every described the of fixed laser plumb aligner
Two optical alignment hole positions in sky every central area.
As the further improvement of above-mentioned technical proposal, any fixture is in the radiation centered on the second optical alignment hole
There is mobile stroke on direction.
As the further improvement of above-mentioned technical proposal, first moving assembly, which is provided with, can limit the first movement group
The first fine-tuning nut that part slides, second moving assembly are provided with the second fine setting that can limit the slip of the second moving assembly
Nut.
As the further improvement of above-mentioned technical proposal, the base is " C " shape structure, and the fixed card slot is " C " shape
" C " mouth of structure, the base bottom are provided with fixed screw.
As the further improvement of above-mentioned technical proposal, on the base on another sidepiece corresponding with fixed card slot
Provided with extension board.
The present invention also provides a kind of reference laser method for building up of spherical tube bundle assembly, comprises the following steps：
A. two are made on circular clamping face and same is located at diametrically to middle target, two centering targets；
B. laser plummet is fixed on a centering target by above-mentioned laser plummet fixing device, laser plummet
It is fixedly linked with support member, base is fixedly linked with circular clamping face, and centering target overlaps with centering peep hole and is located at optics pair
On the extended line of quasi- passage；
C. laser plummet is started, the cursor of the optical centering system of laser plummet one end is directed at a centering target, separately
Another centering target of the laser alignment of the laser generator of one end.
As the further improvement of above-mentioned technical proposal, in step c, laser plummet fixing device is adjusted, laser is hung down
Quasi- instrument both ends are respectively aligned to two centering targets.
Beneficial effects of the present invention：The present invention on fixing device base by being provided with support member, and staff is by laser
Plumb aligner is fixed on support member, and fixing device is arranged on into required position in company with by the fixed card slot on base；By solid
Determine device laser plummet is fixed on the clamping face of tube bundle assembly and uses a laser as datum line, compared to entity line,
Laser has more preferable alignment result, and does not interfere with the insertion of antivibration bar assembly, substantially increases efficiency of assembling.
Brief description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is laser plummet fixture structure schematic diagram；
Fig. 2 is the reference laser method for building up schematic diagram of spherical tube bundle assembly.
Embodiment
Laser plummet fixing device as shown in Figure 1, including base 1, the top of base 1 are provided with support member 2, support member 2
The fixed part 21 for being capable of fixed laser plumb aligner is provided with, support member 2 is provided with optical alignment passage, and the sidepiece of base 1 is provided with solid
Determine neck 11, the top of base 1 is provided with the centering peep hole 12 corresponding with optical alignment passage, centering peep hole 12 and fixing card
Groove 11 communicates.
The present embodiment fixing device operation principle：During datum line is established using laser plummet, staff
Two are first set up on the straight line that is aligned is needed to middle target, then by the position of a fixing device centering target installed therein,
And overlap centering target with centering peep hole 12, subsequent staff installs laser plummet on the securing means.Start and swash
Optical collimator, the cursor of the optical centering system of laser plummet one end is set to fall after passing through optical alignment passage to middle peep hole
On centering target in 12, the laser of the laser alignment system of the laser plummet other end falls at another on middle target, now swashing
Light turns into datum line, and that completes datum line establishes work.
Preferably, support member 2 includes bottom plate 22, and bottom plate 22 is fixedly linked with base 1 by connecting rod 3, horizontal on bottom plate 22
To the first moving assembly 23 is slidably connected, the first moving assembly 23 is provided with the first optical alignment hole.Connected by connecting rod 3
Bottom plate 22 and base 1 so that bottom plate 22 forms an interval with base 1, is easy to staff to observe the light of optical centering system
Mark whether accurately fall in middle peep hole 12 on middle target.Longitudinal sliding motion is connected with the second shifting on first moving assembly 23
Dynamic component 24, the second moving assembly 24 are provided with the second optical alignment hole 241, the first optical alignment hole and the second optical alignment hole
241 are communicated and form optical alignment passage, and fixed part 21 is located at the top of the second moving assembly 24, in the present embodiment laterally and longitudinally
In same level.
The top of bottom plate 22 is provided with the first slide rail, and the first moving assembly 23 is provided with the first sliding block corresponding with the first slide rail,
First moving assembly 23 is slid laterally by the first sliding block to be connected on the first slide rail；The top of second moving assembly 24 is provided with second
Slide rail, the second moving assembly 24 are provided with the second sliding block corresponding with the second slide rail, and the second moving assembly 24 passes through the second sliding block
Slide laterally and be connected on the second slide rail.Staff is changed by sliding the first moving assembly 23 with the second moving assembly 24
The position of laser plummet, until completion datum line establishes work.
Preferably, fixed part 21 includes three fixtures, and three fixture structure distributions triangular in shape are in the second movement group
The top of part 24, three fixtures, which surround, is capable of the empty every the second optical alignment hole 241 is positioned at sky in of fixed laser plumb aligner
Heart district domain.Laser plummet is fixed on the second moving assembly 24 by three fixtures.
Preferably, any fixture has mobile row in the radiation direction centered on the second optical alignment hole 241
Journey, the top of the second moving assembly 24 are corresponding with fixture provided with three along the radiation direction centered on the second optical alignment hole 241
Bar-shaped trough, each fixture is bolted on corresponding bar-shaped trough, can by mobile three fixture fixing devices
Fixed different model or different size of laser plummet.
Preferably, the first moving assembly 23 is provided with the first fine-tuning nut that can limit the slip of the first moving assembly 23
231, the second moving assembly 24 is provided with the second fine-tuning nut 242 that can limit the slip of the second moving assembly 24, passes through first
The fine-tuning nut 242 of fine-tuning nut 231 and second can more accurately adjust the drop point position of the cursor of laser plummet, laser
Put.
Preferably, base 1 is " C " shape structure, and fixed card slot 11 is " C " mouth of " C " shape structure, and the bottom of base 1 is provided with solid
Determine screw 13.
Preferably, another sidepiece corresponding with fixed card slot 11 on base 1 is provided with extension board 14, by extending
Ranging instrument is set on plate 14, lifts the feature of fixing device.
With reference to figure 2, the present invention also provides a kind of reference laser method for building up of spherical tube bundle assembly, for CAP1400/
The installation of the imperial No.1 heap-type bundle of steam generator component of CAP1000/ China, comprises the following steps：
A. two are made on circular clamping face 4 and same is located at diametrically to middle target 5, two centering targets 5；
B. laser plummet 6 is fixed on a centering target by above-mentioned laser plummet fixing device, laser hangs down accurate
Instrument 6 is fixedly linked with support member 2, and base 1 is fixedly linked with circular clamping face 4, and centering target is overlapped and is located at centering peep hole
On the extended line of optical alignment passage；
C. laser plummet 6 is started, the cursor of the optical centering system of the one end of laser plummet 6 is directed at a centering target,
Another centering target of the laser alignment of the laser generator of the other end.
Laser plummet is fixed on the clamping face of tube bundle assembly by fixing device and uses a laser as datum line,
Compared to entity line, laser has more preferable alignment result, and does not interfere with the insertion of antivibration bar assembly, substantially increases dress
With efficiency.
Preferably, in step b, the base 1 of laser plummet fixing device is fixedly linked with circular clamping face 4, and laser hangs down
Quasi- instrument 6 is fixedly linked with support member 2, overlaps centering peep hole with centering target when installing laser plummet fixing device；Step c
In, the first fine-tuning nut and the second fine-tuning nut in laser plummet fixing device are adjusted, distinguishes laser plummet both ends
It is directed at two centering targets.
Certainly, the invention is not limited in above-mentioned embodiment, those skilled in the art are without prejudice to the present invention
Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application claim
In limited range.
Claims (10)
- A kind of 1. laser plummet fixing device, it is characterised in that：Including base (1), support member is provided with the top of the base (1) (2), the support member (2) is provided with the fixed part (21) for being capable of fixed laser plumb aligner, and the support member (2) is provided with optics Aligned with channel, base (1) sidepiece are provided with fixed card slot (11), are provided with and optical alignment passage phase at the top of the base (1) Corresponding centering peep hole (12), the centering peep hole (12) communicate with fixed card slot (11).
- 2. laser plummet fixing device according to claim 1, it is characterised in that：The support member (2) includes bottom plate (22), the bottom plate (22) is fixedly linked with base (1) by connecting rod (3), is slid laterally and is connected with the bottom plate (22) First moving assembly (23), first moving assembly (23) are provided with the first optical alignment hole.
- 3. laser plummet fixing device according to claim 2, it is characterised in that：Indulged on first moving assembly (23) To the second moving assembly (24) is slidably connected, second moving assembly (24) is provided with the second optical alignment hole (241), institute State the first optical alignment hole to communicate with the second optical alignment hole (241) and form optical alignment passage, the fixed part (21) sets At the top of the second moving assembly (24).
- 4. laser plummet fixing device according to claim 3, it is characterised in that：The fixed part (21) includes three admittedly Determine part, at the top of the second moving assembly (24), three fixtures are surrounded and can fixed three fixture structure distributions triangular in shape Laser plummet it is empty every, the second optical alignment hole (241) positioned at it is empty every central area.
- 5. laser plummet fixing device according to claim 4, it is characterised in that：Any fixture is with the second optics pair There is mobile stroke in radiation direction centered on quasi- hole (241).
- 6. laser plummet fixing device according to claim 4, it is characterised in that：Set on first moving assembly (23) The first fine-tuning nut (231) of the first moving assembly (23) slip can be limited by having, and second moving assembly (24) is provided with The second fine-tuning nut (242) of the second moving assembly (24) slip can be limited.
- 7. according to any one of claim 1 to the 6 laser plummet fixing device, it is characterised in that：The base (1) is " C " shape structure, the fixed card slot (11) are " C " mouth of " C " shape structure, and base (1) bottom is provided with fixed screw (13).
- 8. laser plummet fixing device according to claim 7, it is characterised in that：On the base (1) and fixed card slot (11) another corresponding sidepiece is provided with extension board (14).
- 9. a kind of reference laser method for building up of spherical tube bundle assembly, it is characterised in that comprise the following steps：A. two centering targets (5) are made on circular clamping face (4), two centering targets (5) are located at same diametrically；B. laser plummet (6) is fixed on one by laser plummet fixing device any one of claim 1 to 8 On centering target, laser plummet (6) is fixedly linked with support member (2), and base (1) is fixedly linked with circular clamping face (4), centering Target is overlapped and is located on the extended line of optical alignment passage with centering peep hole；C. laser plummet (6) is started, the cursor of the optical centering system of laser plummet (6) one end is directed at a centering target, Another centering target of the laser alignment of the laser generator of the other end.
- 10. the reference laser method for building up of spherical tube bundle assembly according to claim 9, it is characterised in that：In step c, adjust Laser plummet fixing device is saved, laser plummet both ends is respectively aligned to two centering targets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570615.1A CN107525494B (en) | 2017-07-13 | 2017-07-13 | Laser plummet fixing device and reference laser establishing method of spherical tube bundle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570615.1A CN107525494B (en) | 2017-07-13 | 2017-07-13 | Laser plummet fixing device and reference laser establishing method of spherical tube bundle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107525494A true CN107525494A (en) | 2017-12-29 |
| CN107525494B CN107525494B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710570615.1A Active CN107525494B (en) | 2017-07-13 | 2017-07-13 | Laser plummet fixing device and reference laser establishing method of spherical tube bundle assembly |
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| CN (1) | CN107525494B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975268A (en) * | 2021-05-12 | 2021-06-18 | 上海电气核电设备有限公司 | Installation method of anti-seismic strip of steam generator |
| CN113878529A (en) * | 2021-11-22 | 2022-01-04 | 山东大学 | High-precision alignment manufacturing method and device for shell-and-tube heat exchanger |
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| US7926191B2 (en) * | 2008-07-28 | 2011-04-19 | Lecc Technology Co., Ltd. | Laser guiding device for machine tools |
| CN202066511U (en) * | 2011-02-23 | 2011-12-07 | 浙江吉利汽车研究院有限公司 | Angle-adjustable laser gun mounting base |
| CN204313839U (en) * | 2014-10-28 | 2015-05-06 | 中铁建设集团有限公司 | A kind of laser plummet axis projection mounting base |
| CN205642375U (en) * | 2016-05-03 | 2016-10-12 | 三门峡龙王庄煤业有限责任公司 | Tunnel laser guide instrument fixing device |
| CN106017435A (en) * | 2016-06-30 | 2016-10-12 | 中交航局第四工程有限公司 | Laser device and application method thereof |
| CN107525493A (en) * | 2016-06-20 | 2017-12-29 | 乔佰文 | A kind of laser orientation instrument |
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| US9549370B2 (en) * | 2010-04-30 | 2017-01-17 | Interdigital Patent Holdings, Inc. | Home node identification, interference reduction, and energy savings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830526B2 (en) * | 1979-11-08 | 1983-06-29 | 有行 加藤 | Plummet on the measuring point |
| JPH09243370A (en) * | 1996-03-13 | 1997-09-19 | Toyo Techno Kk | Laser marking device |
| CN101165456A (en) * | 2006-10-17 | 2008-04-23 | 张敏俐 | Self-balancing rotary laser |
| US7926191B2 (en) * | 2008-07-28 | 2011-04-19 | Lecc Technology Co., Ltd. | Laser guiding device for machine tools |
| CN101566472A (en) * | 2009-05-22 | 2009-10-28 | 南京航空航天大学 | Coordinate positioning auxiliary device for laser tracker used for large-scale curved surface |
| CN202066511U (en) * | 2011-02-23 | 2011-12-07 | 浙江吉利汽车研究院有限公司 | Angle-adjustable laser gun mounting base |
| CN204313839U (en) * | 2014-10-28 | 2015-05-06 | 中铁建设集团有限公司 | A kind of laser plummet axis projection mounting base |
| CN205642375U (en) * | 2016-05-03 | 2016-10-12 | 三门峡龙王庄煤业有限责任公司 | Tunnel laser guide instrument fixing device |
| CN107525493A (en) * | 2016-06-20 | 2017-12-29 | 乔佰文 | A kind of laser orientation instrument |
| CN106017435A (en) * | 2016-06-30 | 2016-10-12 | 中交航局第四工程有限公司 | Laser device and application method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975268A (en) * | 2021-05-12 | 2021-06-18 | 上海电气核电设备有限公司 | Installation method of anti-seismic strip of steam generator |
| CN113878529A (en) * | 2021-11-22 | 2022-01-04 | 山东大学 | High-precision alignment manufacturing method and device for shell-and-tube heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN107525494B (en) | 2020-08-28 |
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