CN102840842A - Laser measuring system and measuring method for deep hole verticality - Google Patents
Laser measuring system and measuring method for deep hole verticality Download PDFInfo
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- CN102840842A CN102840842A CN2012103263796A CN201210326379A CN102840842A CN 102840842 A CN102840842 A CN 102840842A CN 2012103263796 A CN2012103263796 A CN 2012103263796A CN 201210326379 A CN201210326379 A CN 201210326379A CN 102840842 A CN102840842 A CN 102840842A
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Abstract
The invention discloses a laser measuring system for deep hole verticality. The laser measuring system comprises a handheld vertical support, a laser transmitter, a transition sleeve and a laser position detecting device, wherein the laser transmitter is arranged inside the handheld vertical support and a front end transmitting head of the laser transmitter is exposed outside the handheld vertical support; the front end transmitting head of the laser transmitter is inserted into one end of a measured deep hole, so that the handheld vertical support is mutually contacted with a measured reference surface; the transition sleeve is arranged inside the other end of the measured deep hole; the laser position detecting device is arranged inside the transition sleeve and comprises a laser receiver, a display and a power supply which are connected through circuits; the laser receiver is used for receiving straightening laser transmitted by the laser transmitter, and a position deviation coordinate value of a physical center of an incidence laser and the laser receiver is displayed on the display by the laser receiver. The invention also provides a laser measuring method for the deep hole verticality. With the adoption of the system and the method, verticality of the measured deep hole relative to a reference surface can be measured conveniently, efficiently and precisely; and depth of the measured deep hole is not limited by a size of the measuring system.
Description
Technical field
The present invention relates to a kind of measuring system and measuring method of deep hole verticality, refer in particular to the system and method that utilizes laser that the deep hole verticality is measured; Belong to field of measuring technique.
Background technology
The tube sheet diameter of nuclear steam generator is Ф 3000～Ф 5000mm, and thickness is 600～900mm, and needing with tube plate of nuclear power steam generator one side plane be benchmark, measures each deep hole on this tube plate of nuclear power steam generator with respect to the verticality of reference field.The installation of back up pad after the deviation of deep hole verticality will directly influence, and in the pore of nearly ten thousand rectangular arranged, can pass the U type tube bank that reaches tens meters smoothly, exactly.
Traditional deep hole squareness measurement method adopts plug Simulation Center axis, needs to measure earlier the aperture of measured hole, and the plug that cooperates with it by aperture size processing then inserts plug in the measured hole again, can obtain the measured hole central axis through measuring plug.If the less or hole depth chin-deep of measured hole size, the difficulty of making plug will be very big, causes cost to improve in a large number.
In addition, the method that also has the three-dimensional utilized to measure in the prior art, this method need be purchased large-scale three-dimensional, and cost is very high, and receives the restriction of conditions such as place bigger.
Comprehensively above-mentioned, the measurement to the deep hole verticality in the prior art has with limit and defective.1, the people is for reading measurement data, and error is bigger, causes measuring accuracy and efficiency of measurement all lower.2, prior art adopts plug simulation reference center's axis and measured hole central axis, causes the measurement length of measured hole to receive the restriction of plug length, can't conveniently realize the measurement for the deep hole verticality.
Summary of the invention
The purpose of this invention is to provide a kind of deep hole verticality laser measurement system and measuring method; Can be convenient, measure by the verticality of sounding hole efficiently, accurately with respect to reference field; Guarantee product quality, and will do not measured the restriction of system dimension by the degree of depth of sounding hole.
For realizing above-mentioned purpose, the present invention provides a kind of deep hole verticality laser measurement system, and it comprises: hand-held vertical bearing; Generating laser, it launches collimation laser, and the axis of this collimation laser is coaxial with the cylindrical of generating laser; Said generating laser is arranged on the inside of said hand-held vertical bearing, and the front end emission head of this generating laser exposes outside hand-held vertical bearing; The front end emission head of said generating laser inserts by in the end of sounding hole, and said hand-held vertical bearing is contacted with tested reference field; Spacer shell, it is arranged on by in the other end of sounding hole; The laser position pick-up unit, it is arranged in the said spacer shell; This laser position pick-up unit comprises laser pickoff, display and the power supply that connects through circuit; Said laser pickoff receives the collimation laser of being launched by generating laser, and the position deviation coordinate figure of incident laser and this laser pickoff physical centre is presented on the display.
The front end emission head of said generating laser is cone-shaped.
The bottom of said generating laser is provided with the pinch plate of both sides protrusion.
Said hand-held vertical bearing is the T font, comprises mutual vertically disposed bearing seat body and bearing datum plate.
The bottom of said bearing seat body is provided with limiting plate, spring bonnet and an end and is fixedly connected on the limit spring on the said spring bonnet; Said generating laser is arranged in the bearing seat body of hand-held vertical bearing, and the mutual buckle of said pinch plate and limiting plate is with the position that is provided with of fixed laser transmitter, and the said spring bonnet of screwing withstands limit spring the bottom pinch plate of generating laser.
Inlay on the front end surface of said bearing datum plate and be provided with some steel balls, in the time of in the front end emission head of generating laser inserts by an end of sounding hole, these some steel balls are close to tested reference field and are contacted.
Said laser position pick-up unit comprises one shell is installed, and said laser pickoff, display and power supply all are arranged on this installation enclosure.
Outside at described installation shell also is provided with an adapter sleeve, the physics reading centres of the cylindrical center of circle of this adapter sleeve and laser pickoff.
The round heart and the cylindrical center of circle are concentric in the said spacer shell; The excircle dimension of this spacer shell be complementary by the interior round size of sounding hole, the excircle dimension of the interior round size of this spacer shell and the adapter sleeve of laser position pick-up unit is complementary.
The present invention also provides a kind of method of utilizing above-mentioned laser measurement system that the deep hole verticality is measured, specifically comprises following steps:
Step 1, generating laser is mounted in the hand-held vertical bearing, the spring bonnet of screwing is with the fixed laser transmitter, and the front end emission head of this generating laser exposes the outside at hand-held vertical bearing;
Step 2, the front end emission head of generating laser is inserted by in the end of sounding hole, make some steel balls on the bearing datum plate of hand-held vertical bearing all be close to and contact with tested reference field;
Step 3, spacer shell is inserted by in the other end of sounding hole, and the laser position pick-up unit is arranged in this spacer shell;
Step 4, open generating laser emission collimation laser; The axis of this collimation laser is coaxial with the cylindrical of generating laser; It passes by the laser pickoff of sounding hole by the laser position pick-up unit and receives; This laser pickoff is presented at the position deviation coordinate figure of incident laser and this laser pickoff physical centre on the display, thereby measures by the verticality of sounding hole with respect to tested reference field.
In sum; Deep hole verticality laser measurement system provided by the present invention and measuring method; Compared with prior art; Has following beneficial effect:, therefore can carry out surveying work convenient, efficiently, accurately, thereby realize that high-precision measurement is by the verticality of sounding hole with respect to reference field because the laser measurement system among the present invention is a kind of portable type measuring device of hand-held.Simultaneously, the present invention adopts laser acquisition, and reads automatically and video data, has effectively reduced personal error.At last; Measuring basis central axis of the present invention and utilized laser beam axis to realize by the sounding hole central axis; The method that replaces traditional plug Simulation Center axis; The measurement length of measured hole will no longer receive the restriction of plug length, and promptly for measuring system, it is applicable to the longhole survey of any degree of depth.
Description of drawings
Fig. 1 is the structural representation of the deep hole verticality laser measurement system among the present invention;
Fig. 2 is the structural representation of the hand-held vertical bearing among the present invention;
Fig. 3 is the structural representation of the generating laser among the present invention.
Embodiment
Below in conjunction with Fig. 1～Fig. 3, specify a preferred embodiment of the present invention.
As shown in Figure 1, deep hole verticality laser measurement system provided by the present invention comprises: hand-held vertical bearing 1; Generating laser 2, it is arranged on the inside of said hand-held vertical bearing 1, and the front end emission of this generating laser 2 21 is exposed outside hand-held vertical bearing 1; The front end emission of said generating laser 2 21 insert on the steam generator tube sheets 5 by in the end of sounding hole 6, said hand-held vertical bearing 1 is contacted with tested reference field 7 on the steam generator tube sheet 5; Spacer shell 4, its be arranged on the steam generator tube sheet 5 by in the other end of sounding hole 6; Laser position pick-up unit 3, it is arranged in the said spacer shell 4, and this laser position pick-up unit 3 comprises laser pickoff, display and the power supply that connects through circuit.
Said generating laser 2 is used to launch collimation laser, and the axis of this collimation laser is coaxial with the cylindrical of generating laser 2.As shown in Figure 3, the front end emission of this generating laser 2 21 is cone-shaped; The bottom of this generating laser 2 is provided with the pinch plate 22 of both sides protrusion.
As shown in Figure 2, said hand-held vertical bearing 1 is the T font, comprises mutual vertically disposed bearing seat body 11 and bearing datum plate 12.Wherein, the bottom of said bearing seat body 11 is provided with limiting plate 15, spring bonnet 14 and an end and is fixedly connected on the limit spring 13 on the said spring bonnet 14.As shown in Figure 1; Said generating laser 2 is arranged in the bearing seat body 11 of hand-held vertical bearing 1; Said pinch plate 22 and the be provided with position of limiting plate 15 mutual buckles with fixed laser transmitter 2; The said spring bonnet 14 of screwing makes limit spring 13 withstand the bottom pinch plate 22 of generating laser 2.
Further; Inlay on the front end surface of said bearing datum plate 12 and be provided with some steel balls 16; As shown in Figure 1; When the front end emission of generating laser 2 21 insert on the steam generator tube sheets 5 by an end of sounding hole 6 in the time, these some steel balls 16 are close to the tested reference field 7 on the steam generator tube sheet 5 and are contacted, thereby guarantee that the plane that axis and the some steel balls 16 on being embedded in bearing datum plate 12 of the collimation laser of generating laser 2 ejaculations are formed is vertical each other.
As shown in Figure 1, said laser position pick-up unit 3 comprises one shell is installed, and said laser pickoff, display and power supply all are arranged on this installation enclosure.Outside at described installation shell also is provided with an adapter sleeve, the physics reading centres of the cylindrical center of circle of this adapter sleeve and laser pickoff.
The round heart and the cylindrical center of circle are concentric in the said spacer shell 4; The excircle dimension of this spacer shell 4 be complementary by the interior round size of sounding hole 6, the excircle dimension of the interior round size of this spacer shell 4 and the adapter sleeve of laser position pick-up unit 3 is complementary.
Said laser pickoff receives the collimation laser of being launched by generating laser 2, and its position deviation coordinate figure with incident laser and this laser pickoff physical centre is presented on the display.In the present embodiment, said laser pickoff adopts the PSD detector, specifically select for use model be S5991 ?the Two-dimensional PSD detector of 01:12 * 12mm.And said display adopts the Two-dimensional PSD display tube, specifically selects the bigger bar shaped of area 7 segmentation light-emitting diode displays for use.
The present invention also provides a kind of method of utilizing above-mentioned laser measurement system that the deep hole verticality is measured, specifically comprises following steps:
Step 1, generating laser 2 is mounted in the hand-held vertical bearing 1, the spring bonnet 14 of screwing is with fixed laser transmitter 2, the outside that the front end emission of this generating laser 2 21 is exposed at hand-held vertical bearing 1;
Step 2, with the front end emission of generating laser 2 21 insert on the steam generator tube sheets 5 by in the end of sounding hole 6, make on the bearing datum plate 12 of hand-held vertical bearing 1 some steel balls 16 all with steam generator tube sheet 5 on tested reference field 7 be close to and contact;
Step 3, with spacer shell 4 insert on the steam generator tube sheets 5 by in the other end of sounding hole 6, and laser position pick-up unit 3 is arranged in this spacer shell 4;
Step 4, open generating laser 2 emission collimation lasers; The axis of this collimation laser is coaxial with the cylindrical of generating laser 2; It passes by the laser pickoff of sounding hole 6 by laser position pick-up unit 3 and receives; This laser pickoff is presented at the position deviation coordinate figure of incident laser and this laser pickoff physical centre on the display, thereby measures by the verticality of sounding hole 6 with respect to tested reference field 7.
In sum, deep hole verticality laser measurement system provided by the present invention and measuring method compared with prior art, have following beneficial effect:
1, because the laser measurement system among the present invention is a kind of portable type measuring device of hand-held, therefore can carries out surveying work convenient, efficiently, accurately, thereby realize that high-precision measurement is by the verticality of sounding hole with respect to reference field.
2, the present invention adopts laser acquisition, and reads automatically and video data, has effectively reduced personal error.
3, measuring basis central axis of the present invention and utilized laser beam axis to realize by the sounding hole central axis; The method that replaces traditional plug Simulation Center axis; The measurement length of measured hole will no longer receive the restriction of plug length; Promptly for measuring system, it is applicable to the longhole survey of any degree of depth.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.For example; The present invention has only introduced for the measurement that is positioned at the deep hole on the tube plate of nuclear power steam generator; After but those skilled in the art have read foregoing; Should recognize that system and method for the present invention also is applicable to the longhole survey of other nuclear powers or non-nuclear power product, any for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (10)
1. a deep hole verticality laser measurement system is characterized in that, comprises:
Hand-held vertical bearing (1);
Generating laser (2), it launches collimation laser, and the axis of this collimation laser is coaxial with the cylindrical of generating laser (2); Said generating laser (2) is arranged on the inside of said hand-held vertical bearing (1), and the front end emission head (21) of this generating laser (2) exposes outside hand-held vertical bearing (1); The front end emission head (21) of said generating laser (2) inserts by in the end of sounding hole (6), and said hand-held vertical bearing (1) is contacted with tested reference field (7);
Spacer shell (4), it is arranged on by in the other end of sounding hole (6);
Laser position pick-up unit (3), it is arranged in the said spacer shell (4); This laser position pick-up unit (3) comprises laser pickoff, display and the power supply that connects through circuit; Said laser pickoff receives the collimation laser of being launched by generating laser (2), and the position deviation coordinate figure of incident laser and this laser pickoff physical centre is presented on the display.
2. deep hole verticality laser measurement system as claimed in claim 1 is characterized in that, the front end emission head (21) of said generating laser (2) is cone-shaped.
3. deep hole verticality laser measurement system as claimed in claim 1 is characterized in that, the bottom of said generating laser (2) is provided with the pinch plate (22) of both sides protrusion.
4. deep hole verticality laser measurement system as claimed in claim 3 is characterized in that, said hand-held vertical bearing (1) is the T font, comprises mutual vertically disposed bearing seat body (11) and bearing datum plate (12).
5. deep hole verticality laser measurement system as claimed in claim 4; It is characterized in that the bottom of said bearing seat body (11) is provided with limiting plate (15), spring bonnet (14) and an end and is fixedly connected on the limit spring (13) on the said spring bonnet (14); Said generating laser (2) is arranged in the bearing seat body (11) of hand-held vertical bearing (1); Said pinch plate (22) and the be provided with position of the mutual buckle of limiting plate (15) with fixed laser transmitter (2); The said spring bonnet (14) of screwing withstands limit spring (13) the bottom pinch plate (22) of generating laser (2).
6. deep hole verticality laser measurement system as claimed in claim 4; It is characterized in that; Inlay on the front end surface of said bearing datum plate (12) and be provided with some steel balls (16); In the time of in the front end emission head (21) of generating laser (2) inserts by an end of sounding hole (6), these some steel balls (16) are close to tested reference field (7) and are contacted.
7. deep hole verticality laser measurement system as claimed in claim 1 is characterized in that, said laser position pick-up unit (3) comprises one shell is installed, and said laser pickoff, display and power supply all are arranged on this installation enclosure.
8. deep hole verticality laser measurement system as claimed in claim 7 is characterized in that, in the outside of said installation shell one adapter sleeve is set also, the physics reading centres of the cylindrical center of circle of this adapter sleeve and laser pickoff.
9. deep hole verticality laser measurement system as claimed in claim 8 is characterized in that the round heart and the cylindrical center of circle are concentric in the said spacer shell (4); The excircle dimension of this spacer shell (4) be complementary by the interior round size of sounding hole (6), the excircle dimension of the adapter sleeve of interior round size of this spacer shell (4) and laser position pick-up unit (3) is complementary.
10. a method of utilizing laser measurement system as claimed in claim 1 that the deep hole verticality is measured is characterized in that, specifically comprises following steps:
Step 1, generating laser (2) is mounted in the hand-held vertical bearing (1), the spring bonnet (14) of screwing is with fixed laser transmitter (2), and the front end emission head (21) of this generating laser (2) exposes the outside at hand-held vertical bearing (1);
Step 2, the front end emission head (21) of generating laser (2) is inserted by in the end of sounding hole (6), make some steel balls (16) on the bearing datum plate (12) of hand-held vertical bearing (1) all be close to and contact with tested reference field (7);
Step 3, spacer shell (4) is inserted by in the other end of sounding hole (6), and laser position pick-up unit (3) is arranged in this spacer shell (4);
Step 4, open generating laser (2) emission collimation laser; The axis of this collimation laser is coaxial with the cylindrical of generating laser (2); It passes by the laser pickoff of sounding hole (6) by laser position pick-up unit (3) and receives; This laser pickoff is presented at the position deviation coordinate figure of incident laser and this laser pickoff physical centre on the display, thereby measures by the verticality of sounding hole (6) with respect to tested reference field (7).
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697837A (en) * | 2013-12-20 | 2014-04-02 | 华南理工大学 | Verticality laser detecting system with single-side expansion centring and detecting method thereof |
| CN103712577A (en) * | 2013-12-20 | 2014-04-09 | 华南理工大学 | Deep hole perpendicularity measurement system and measurement method based on image processing |
| WO2015154487A1 (en) * | 2014-04-09 | 2015-10-15 | 华南理工大学 | Grouped holes verticality detection system and method based on visual measurement |
| CN106996756A (en) * | 2017-04-10 | 2017-08-01 | 中国科学院西安光学精密机械研究所 | Nuclear power evaporator flow distribution plate coaxial installation measurement system and application method |
| CN108426540A (en) * | 2018-04-12 | 2018-08-21 | 洛阳理工学院 | A kind of deep hole testing apparatus for verticality |
| CN110260847A (en) * | 2019-08-02 | 2019-09-20 | 安徽理工大学 | A kind of laser leveler |
| CN110375655A (en) * | 2019-07-05 | 2019-10-25 | 江苏省镔鑫钢铁集团有限公司 | A kind of auxiliary device of laser measurement steel length |
| CN111473746A (en) * | 2020-04-22 | 2020-07-31 | 成都飞机工业（集团）有限责任公司 | Optical detection method for perpendicularity of nail hole |
| CN114485396A (en) * | 2022-01-10 | 2022-05-13 | 上海电气核电设备有限公司 | Measuring system and measuring method for geometric quantity of deep hole of tube plate of nuclear power evaporator |
| CN118049941A (en) * | 2024-04-16 | 2024-05-17 | 成都飞机工业（集团）有限责任公司 | Hole perpendicularity measuring device and measuring method based on two-dimensional position sensor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697837A (en) * | 2013-12-20 | 2014-04-02 | 华南理工大学 | Verticality laser detecting system with single-side expansion centring and detecting method thereof |
| CN103712577A (en) * | 2013-12-20 | 2014-04-09 | 华南理工大学 | Deep hole perpendicularity measurement system and measurement method based on image processing |
| CN103712577B (en) * | 2013-12-20 | 2016-10-05 | 华南理工大学 | A kind of deep hole squareness measurement system based on image procossing and measuring method thereof |
| WO2015154487A1 (en) * | 2014-04-09 | 2015-10-15 | 华南理工大学 | Grouped holes verticality detection system and method based on visual measurement |
| CN106996756A (en) * | 2017-04-10 | 2017-08-01 | 中国科学院西安光学精密机械研究所 | Nuclear power evaporator flow distribution plate coaxial installation measurement system and application method |
| CN108426540A (en) * | 2018-04-12 | 2018-08-21 | 洛阳理工学院 | A kind of deep hole testing apparatus for verticality |
| CN110375655A (en) * | 2019-07-05 | 2019-10-25 | 江苏省镔鑫钢铁集团有限公司 | A kind of auxiliary device of laser measurement steel length |
| CN110260847A (en) * | 2019-08-02 | 2019-09-20 | 安徽理工大学 | A kind of laser leveler |
| CN110260847B (en) * | 2019-08-02 | 2023-11-24 | 安徽理工大学 | Laser level meter |
| CN111473746A (en) * | 2020-04-22 | 2020-07-31 | 成都飞机工业（集团）有限责任公司 | Optical detection method for perpendicularity of nail hole |
| CN114485396A (en) * | 2022-01-10 | 2022-05-13 | 上海电气核电设备有限公司 | Measuring system and measuring method for geometric quantity of deep hole of tube plate of nuclear power evaporator |
| CN118049941A (en) * | 2024-04-16 | 2024-05-17 | 成都飞机工业（集团）有限责任公司 | Hole perpendicularity measuring device and measuring method based on two-dimensional position sensor |
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