CN102374861B - Centering under point operation method of total station or target for generating plumb laser beam - Google Patents
Centering under point operation method of total station or target for generating plumb laser beam Download PDFInfo
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- CN102374861B CN102374861B CN201010255242.7A CN201010255242A CN102374861B CN 102374861 B CN102374861 B CN 102374861B CN 201010255242 A CN201010255242 A CN 201010255242A CN 102374861 B CN102374861 B CN 102374861B
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Abstract
A centering under point operation method of a total station or target for generating a plumb laser beam is characterized by comprising the following steps of: supposing the point emitted by the plumb laser beam on a top board is B and a measuring point is A, determining whether the distance from the laser point B formed by the laser beam on the top board to the measuring point A is larger than 6CM, respectively moving each foot rest tip of the device in the direction of the A point until the moving distance equals to the length from A to B if the distance is larger than 6CM; leveling a circular bubble, determining whether the distance from the laser point B on the top board to the A point is larger than 6CM, moving the foot rest tip if the distance is still larger than 6CM, repeating the last operating step until the distance from the laser point B to the measuring point A on the top board is less than 6CM, stabilizing the foot rest, adjusting the screw of the foot to place the circular leveling bubble in the middle, and accurately centering and leveling the device by three methods of foot screw-foot rest method, foot rest-foot screw method and approaching method.
Description
Technical field
The invention belongs in underground engineering survey and adopt the total powerstation producing vertical laser beam or the centring under point method of operating of observing board.
Background technology
When underground works is measured as mine down-hole, measuring point, mostly on top board, needs during measurement to do centring under point operation, need go hang plumb bob or hang prism by ladder, both inconvenient, dangerous again; In case of tunnel wind is large, plumb bob, prism constantly swing, and just cannot realize plumb bob centering or carry out range observation by prism.If measure in the haulage drift of dynamic line, this operation also faces the danger of electric shock, and therefore, the instrument originally used is used in down-hole or tunnel and carries out engineering survey, just not only inconvenience but also dangerous, the work efficiency of impact measurement and measuring accuracy.If adopt laser to do centring under point, just can solve the problem well, the laser producing a branch of vertical or can be observed board to produce by special total powerstation, but realizes centring under point by special total powerstation or the laser beam of observing board to produce, and just must have special method to realize.
Summary of the invention
Object of the present invention is just to provide a kind of underground engineering survey and adopts the total powerstation producing vertical laser beam or the centring under point method of operating of observing board, and underground engineering survey work is more efficiently ideally completed.
Concrete scheme is: moved to by instrument below point position, and leveling circular bubble, opens laser, and instrument generation is a branch of to be overlapped with instrument vertical pivot, impinges upon the laser beam near roof station vertically upward.If the point of vertical laser beam on top board is B, measuring point is A, see laser spots B that laser beam formed at the top board distance whether > 6CM apart from measuring point A, as > 6CM, then move each foot rest point of instrument respectively to A point direction, displacement equals the length of AB; Leveling circular bubble, see the distance whether > 6CM of top board laser spots B apart from measuring point A again, as also large, Mobile foot stool point again, repeat last action step, until laser spots B is apart from the distance < 6CM of roof station A, step on steady foot rest, adjustment foot screw makes circle leveling bubble placed in the middle, now has following three kinds of methods can make instrument precise alignment and leveling:
One, foot screw → foot rest method:
If ground is H to the height of measuring point A, ground is h to instrument transverse axis height, (Δ is that the factors such as instrument adjustment process China National Instruments Import & Export Corporation height generation subtle change produce to N=H/h+ Δ, exist but negligible several Small variables sum again in operating process), C is the point on AB extended line; Foot screw on adjustment instrument base, laser spots B is made to move on to C point along the A B extended line direction away from measuring point A, and AC=AB*N, now round bubble will be no longer placed in the middle, the collapsing length of adjustment tripod three pin, makes circle bubble (the inactive foot screw of this process) placed in the middle.Theoretically, now laser spots should drop on measuring point A, but because the length of AB, AC and direction are all visual estimations, and the ground Fixed Initial Point of H, h has small error, so need repeatedly several times, when circle bubble is placed in the middle, when laser spots and A point distance < 10m m, accurate leveling instrument, and carry out precise alignment by pan carriage head, complete point.
Two, foot rest → foot screw method:
If ground is H to the height of measuring point A, ground is h to instrument transverse axis height, (Δ is that the factors such as instrument adjustment process China National Instruments Import & Export Corporation height generation subtle change produce to N=H/h+ Δ, exist but negligible several Small variables sum again in operating process), D point is the point on BA extended line, the collapsing length of adjustment tripod three pin, the laser spots on top board is made to move on to D point along BA extended line direction, and BD=AB*N, round bubble now will be no longer placed in the middle, adjustment foot screw, make circle bubble placed in the middle, theoretically, now laser spots should drop on measuring point A, but because AB, the length of BD and direction are all visual estimations, and H, the ground Fixed Initial Point of h has small error, so need repeatedly several times, when circle bubble is placed in the middle, when laser spot and A point distance < 10mm, accurate leveling instrument, and carry out precise alignment by pan carriage head, complete point.
Three, convergence method:
Adjustment foot screw makes circle leveling bubble placed in the middle, and estimate the distance of the laser spots B distance measuring point A that laser beam is formed at top board, then move each foot rest point respectively to BA direction, displacement equals the length of AB; Leveling circular bubble, then see the distance whether < 10mm of top board laser spots B apart from measuring point A, as also large, then move, until laser spots B is apart from the distance < 10mm of roof station A, step on steady foot rest; Leveling circular bubble, see the distance whether < 10mm of top board laser spots B apart from measuring point A again, as made laser spots B apart from the distance < 10mm again of roof station A because stepping on steady foot rest, then also need to move again, repeatedly several times, until when laser spots B is apart from the distance < 10mm of roof station A after stepping on steady foot rest, accurately flatten instrument, and carry out precise alignment leveling by pan carriage head, complete point.
The present invention is that underground engineering survey employing can produce the total powerstation of vertical laser beam or observe the centring under point method of operating of board, this method of operating is used for producing the special total powerstation of a branch of vertical laser or observes board when doing centring under point, working specification, centering is accurate, speed is fast, quickly and easily can complete the work of instrument centering leveling, give full play to the superior function of this kind of instrument in underground works.
Accompanying drawing explanation
Fig. 1 is foot screw → foot rest method point position schematic diagram.
Fig. 2 is that surveying instrument is erected at schematic diagram below the measuring point of tunnel.
Fig. 3 is foot rest → foot screw method point position schematic diagram.
Fig. 4 is convergence method point position schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, adopt the total powerstation producing vertical laser beam or the centring under point method of operating of observing board, illustrate.
During use, by the special total powerstation of a branch of vertical laser can be produced or observe board and be placed on foot rest, instrument is moved to below point position, leveling circular bubble, open laser, instrument can produce and a branch ofly to overlap with instrument vertical pivot, impinges upon the laser beam near roof station vertically upward.As shown in Figure 1, if laser spots is B, measuring point is A, now, see laser spots B that laser beam formed at the top board distance whether > 6CM apart from measuring point A, as > 6CM, then move each foot rest point of instrument respectively to A point direction, displacement equals the length of AB; Step on steady foot rest, leveling circular bubble, then see the distance whether > 6CM of top board laser spots B apart from measuring point A, as also large, Mobile foot stool point again, repeat last action step, (under general condition, moving once), until step on steady foot rest, after leveling circular bubble, laser spots B, apart from the distance < 6CM of roof station A, now has following three kinds of methods can make instrument precise alignment and leveling:
Method one: foot screw → foot rest method:
If ground is H to the height of measuring point A, ground is h to instrument transverse axis height, and N=H/h+ Δ (to be namely ground add that instrument adjustment process China National Instruments Import & Export Corporation high the factors such as subtle change occurs and produces to height H and the ground of measuring point A to the ratio of instrument transverse axis height h to N, existence but negligible several Small variables sum again in operating process).As shown in Figure 1, adjustment foot screw, makes laser spots B move on to C point along away from the A B extended line of measuring point A, and AC=AB*N, and as the tunnel of 3 meters high, instrument is high be 1.5 meters is example, then N=2.Round bubble now will be no longer placed in the middle, adjustment tripod, make circle bubble placed in the middle.Theoretically, now laser spots should drop on measuring point A, completes point.But because the length of AB, AC and direction are all visual estimations, and the ground Fixed Initial Point of H, h has the factors such as small error, so need repeatedly several times, when circle bubble is placed in the middle, when laser spots and A point distance < 10mm, accurate leveling instrument, and carry out precise alignment by pan carriage head, complete point.
Method two: foot rest → foot screw method:
If ground is H to the height of measuring point A, ground is h to instrument transverse axis height, and N=H/h+ Δ (to be namely ground add that instrument adjustment process China National Instruments Import & Export Corporation high the factors such as subtle change occurs and produces to height H and the ground of measuring point A to the ratio of instrument transverse axis height h to N, existence but negligible several Small variables sum again in operating process).As shown in Figure 2, the collapsing length of adjustment tripod three pin, makes the laser spots on top board move on to D point along BA extended line direction through A point, and BD=BA*N, as tunnel high be 3 meters, instrument is high is 1.5 meters, then N=2.Round bubble now will be no longer placed in the middle, adjustment foot screw, make circle bubble placed in the middle, theoretically, now laser spots should drop on measuring point A, but because the length of AB, BD and direction are all visual estimations, and the ground Fixed Initial Point of H, h has the factors such as small error, so need repeatedly several times, when circle bubble is placed in the middle, when laser spot and A point distance < 10mm, accurately flatten instrument, and carry out precise alignment by pan carriage head, complete point.
Method three: convergence method:
Adjustment foot screw makes circle leveling bubble placed in the middle, and as shown in Figure 3, estimate the distance of the laser spots B distance measuring point A that laser beam is formed at top board, then move each foot rest point respectively to A point direction, displacement equals the length of AB; Step on steady foot rest, leveling circular bubble, see the distance whether < 10mm of top board laser spots B apart from measuring point A, as also large, then move, repeatedly several times, until step on steady foot rest, when laser spots B is apart from the distance < 10mm of roof station A after leveling circular bubble, accurately flatten instrument, and carry out precise alignment leveling by pan carriage head, complete point.
Claims (1)
1. the total powerstation producing vertical laser beam or a centring under point method of operating of observing board, move to instrument below point position, and leveling circular bubble, opens laser, and instrument generation is a branch of to be overlapped with instrument vertical pivot, impinges upon the laser beam near roof station vertically upward; It is characterized in that: set the point of vertical laser beam on top board as laser spots B, measuring point is A, see laser spots B that laser beam formed at the top board distance whether >6CM apart from measuring point A, as >6CM, then move each foot rest point of instrument respectively to measuring point A point direction, displacement equals the length of AB; Leveling circular bubble, see the distance whether >6CM of top board laser spots B apart from measuring point A again, as also large, Mobile foot stool point again, repeat last action step, until laser spots B is apart from the distance <6CM of roof station A, step on steady foot rest, adjustment foot screw makes circle leveling bubble placed in the middle, has two kinds of methods can make instrument precise alignment and leveling;
The method one of instrument precise alignment and leveling, foot screw → foot rest method:
If ground is H to the height of measuring point A, ground is h, N=H/h+ △ to instrument transverse axis height, and wherein △ is that instrument adjustment process China National Instruments Import & Export Corporation height generation subtle change factor produces, exist but negligible several Small variables sum again in operating process, C is the point on AB extended line, foot screw on adjustment instrument base, laser spots B is made to move on to C point along the AB extended line direction away from measuring point A, and AC=AB*N, now round leveling bubble will be no longer placed in the middle, the collapsing length of adjustment tripod three pin, make circle leveling bubble placed in the middle and the inactive foot screw of this process, theoretically, now laser spots B should drop on measuring point A, but because AB, the length of AC and direction are all visual estimations, and H, the ground Fixed Initial Point of h has small error, so need repeatedly several times, when circle leveling bubble is placed in the middle, during laser spots B and measuring point A distance < 10mm, accurate leveling instrument, and carry out precise alignment by pan carriage head, complete point,
The method two of instrument precise alignment and leveling, foot rest → foot screw method:
If ground is H to the height of measuring point A, ground is h, N=H/h+ △ to instrument transverse axis height, and wherein △ is that instrument adjustment process China National Instruments Import & Export Corporation height generation subtle change factor produces, exist but negligible several Small variables sum again in operating process, D point is the point on BA extended line, the collapsing length of adjustment tripod three pin, the laser spots B on top board is made to move on to D point along BA extended line direction, and BD=AB*N, round leveling bubble now will be no longer placed in the middle, adjustment foot screw, make circle leveling bubble placed in the middle, theoretically, now laser spots B should drop on measuring point A, but because AB, the length of BD and direction are all visual estimations, and H, the ground Fixed Initial Point of h has small error, so need repeatedly several times, when circle leveling bubble is placed in the middle, during laser spots B and measuring point A distance < 10mm, accurate leveling instrument, and carry out precise alignment by pan carriage head, complete point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010255242.7A CN102374861B (en) | 2010-08-12 | 2010-08-12 | Centering under point operation method of total station or target for generating plumb laser beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010255242.7A CN102374861B (en) | 2010-08-12 | 2010-08-12 | Centering under point operation method of total station or target for generating plumb laser beam |
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| CN102374861A CN102374861A (en) | 2012-03-14 |
| CN102374861B true CN102374861B (en) | 2015-01-07 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776467B (en) * | 2014-02-20 | 2016-06-22 | 孙江 | The centering method of laser centring device under the control point of theodolite |
| CN104374378A (en) * | 2014-11-12 | 2015-02-25 | 山西潞安环保能源开发股份有限公司常村煤矿 | Method for observing surface subsidence deformation |
| CN104567841B (en) * | 2014-12-26 | 2019-07-09 | 中国核工业二三建设有限公司 | A method of for the centering of total station high-altitude |
| CN110174094A (en) * | 2019-05-29 | 2019-08-27 | 宝鸡石油机械有限责任公司 | A kind of laser assisted centralising device for the assembly of big orifice equipment |
| CN111366141A (en) * | 2020-03-09 | 2020-07-03 | 中铁四局集团第五工程有限公司 | Centering method for centering rod bubbles |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043893Y (en) * | 2007-06-09 | 2008-04-02 | 杨红林 | Multifunctional total station instrument |
| CN101713653A (en) * | 2009-12-14 | 2010-05-26 | 陆建红 | Automatic centering system of marking instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3718312B2 (en) * | 1997-01-22 | 2005-11-24 | ペンタックス株式会社 | Machine height measuring device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043893Y (en) * | 2007-06-09 | 2008-04-02 | 杨红林 | Multifunctional total station instrument |
| CN101713653A (en) * | 2009-12-14 | 2010-05-26 | 陆建红 | Automatic centering system of marking instrument |
Non-Patent Citations (2)
| Title |
|---|
| 《地下工程测量时仪器采用的激光对点给向装置》;杨红林;《矿山测量》;20011231(第4期);第60-62页 * |
| JP特开平10-206158A 1998.08.07 * |
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Granted publication date: 20150107 Termination date: 20160812 |