CN102374861A - 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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- CN102374861A CN102374861A CN2010102552427A CN201010255242A CN102374861A CN 102374861 A CN102374861 A CN 102374861A CN 2010102552427 A CN2010102552427 A CN 2010102552427A CN 201010255242 A CN201010255242 A CN 201010255242A CN 102374861 A CN102374861 A CN 102374861A
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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 to and adopt total powerstation that produces the vertical laser beam or the centring under point method of operating of observing board in the underground engineering survey.
Background technology
When underground works such as mine underground survey, measuring point mostly on top board, need be done the centring under point operation during measurement, needs to remove to hang plumb bob or suspension prism by ladder, and is both inconvenient, dangerous again; Big like tunnel wind, plumb bob, prism are constantly swung, and just can't realize plumb bob centering or carry out range observation through prism.If in the haulage drift of dynamic line, measure, this operation also faces the danger of electric shock, and therefore, the instrument that originally uses is used in and carries out engineering survey in down-hole or the tunnel, and just not only inconvenience but also danger influence work efficiency and the measuring accuracy measured.If can adopt laser to do centring under point; Just can address the above problem well; The laser that produces a branch of vertical can or be observed board through special-purpose total powerstation and produce, and realizes centring under point but will or observe the laser beam that board produces with special-purpose total powerstation, just must have special-purpose method to realize.
Summary of the invention
The object of the invention just provides a kind of underground engineering survey and adopts total powerstation that produces the vertical laser beam or the centring under point method of operating of observing board, and underground engineering survey work can more efficiently ideally be accomplished.
Concrete scheme is: instrument is moved to the point position below, and the leveling circular bubble is opened laser, and the instrument generation is a branch of to be overlapped with the instrument vertical pivot, impinges upon near the laser beam of roof station vertically upward.If the point of vertical laser beam on top board is B, measuring point is A, see laser point B that laser beam forms at top board apart from the distance of measuring point A whether＞6CM, like＞6CM, then move each foot rest point of instrument respectively to A point direction, displacement equals the length of AB; The leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＞6CM, big as also; Move the foot rest point again; Repeat the last action step,, step on steady foot rest until the distance＜6CM of laser point B apart from roof station A; The adjustment foot screw makes round leveling bubble placed in the middle, and have following three kinds of methods can make instrument accurate centering and leveling this moment:
One, foot screw → foot rest method:
If ground to the height of measuring point A is H; Ground to instrument transverse axis height is h; N=H/h+ Δ (Δ is that the high factor such as subtle change that takes place of instrument adjustment process China National Instruments Import & Export Corporation produces, and exists but negligible again several small variable sums in the operating process), C is the point on the AB extended line; Foot screw on the adjustment instrument base makes laser point B move on to the C point along the A B extended line direction away from measuring point A, and AC=AB*N, and the circle bubble will be no longer placed in the middle this moment, and the collapsing length of three pin of adjustment tripod makes round bubble (the inactive foot screw of this process) placed in the middle.Theoretically, this moment, laser point should drop on the measuring point A, but because length and the direction of AB, AC all are visual estimations; And start on the ground of H, h a little has small error, so need repeatedly several times, bubble is placed in the middle when justifying; When laser point and A point distance＜10m m; Accurately flatten instrument, and carry out accurate centering, accomplish point through the pan carriage head.
Two, foot rest → foot screw method:
If ground to the height of measuring point A is H; Ground to instrument transverse axis height is h; N=H/h+ Δ (Δ is that the high factor such as subtle change that takes place of instrument adjustment process China National Instruments Import & Export Corporation produces, and exists but negligible again several small variable sums in the operating process), the D point is the point on the BA extended line; The collapsing length of three pin of adjustment tripod makes the laser point on the top board move on to the D point along BA extended line direction, and BD=AB*N, and the round bubble of this moment will be no longer placed in the middle; The adjustment foot screw makes round bubble placed in the middle, theoretically; This moment, laser point should drop on the measuring point A, but because length and the direction of AB, BD all are visual estimations, and the ground of H, h is started at small error is a little arranged; So need repeatedly several times, bubble is placed in the middle when justifying, when laser spot and A point distance＜10mm; Accurately flatten instrument, and carry out accurate centering, accomplish point through the pan carriage head.
Three, convergence method:
The adjustment foot screw makes round leveling bubble placed in the middle, estimates laser point B that laser beam forms at the top board distance apart from measuring point A, moves each foot rest point to the BA direction respectively then, and displacement equals the length of AB; The leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＜10mm, big as also, move again, until the distance＜10mm of laser point B, step on steady foot rest apart from roof station A; The leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＜10mm, as because of step on steady foot rest make laser point B apart from the distance of roof station A again＜10mm; Then also need move again; Repeatedly several times, when stepping on the distance of laser point B behind the steady foot rest＜10mm, accurately flatten instrument apart from roof station A; And carry out accurate centering leveling through the pan carriage head, accomplish point.
The present invention is that the centring under point method of operating that can produce the total powerstation of vertical laser beam or observe board is adopted in underground engineering survey; This method of operating is used for producing the special-purpose total powerstation of a branch of vertical laser or observes board when doing centring under point; Working specification, centering is accurate, and speed is fast; Can accomplish the work of instrument centering leveling fast simply, give full play to the superior function of this kind instrument in underground works.
Description of drawings
Fig. 1 is foot screw → foot rest method point position synoptic diagram.
Fig. 2 is that surveying instrument is erected at measuring point below, tunnel synoptic diagram.
Fig. 3 is foot rest → foot screw method point position synoptic diagram.
Fig. 4 is a convergence method point position synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing, adopt total powerstation that produces the vertical laser beam or the centring under point method of operating of observing board, specify.
During use, will produce the special-purpose total powerstation of a branch of vertical laser or observe board and be placed on the foot rest, instrument will be moved to the point position below; The leveling circular bubble; Open laser, instrument can produce and a branch ofly overlap with the instrument vertical pivot, impinges upon near the laser beam the roof station vertically upward.As shown in Figure 1, establishing laser point is B, and measuring point is A, at this moment, see laser point B that laser beam forms at top board apart from the distance of measuring point A whether＞6CM, like＞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, the leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＞6CM; Big as also, move the foot rest point again, repeat the last action step; (under the general condition, move once get final product) is until stepping on steady foot rest; Behind the leveling circular bubble, laser point B is apart from distance＜6CM of roof station A, and have following three kinds of methods can make instrument accurate centering and leveling this moment:
Method one: foot screw → foot rest method:
If ground to the height of measuring point A is H; Ground to instrument transverse axis height is h; And N=H/h+ Δ (be N to be ground add that to the ratio of the height H of measuring point A and ground to instrument transverse axis height h the high factor such as subtle change that takes place of instrument adjustment process China National Instruments Import & Export Corporation produces, exist but negligible again several small variable sums in the operating process).As shown in Figure 1, the adjustment foot screw makes laser point B move on to the C point along the A B extended line away from measuring point A, and AC=AB*N, and like 3 meters high tunnels, the appearance height is 1.5 meters and is example, then N=2.The round bubble of this moment will be no longer placed in the middle, and the adjustment tripod makes round bubble placed in the middle.Theoretically, this moment, laser point should drop on the measuring point A, to a completion.But because length and the direction of AB, AC all are visual estimations, and the ground of H, h starts at small factors such as error a little arranged, so need repeatedly several times; Placed in the middle when the circle bubble, when laser point and A point distance＜10mm, accurately flatten instrument; And carry out accurate centering through the pan carriage head, accomplish point.
Method two: foot rest → foot screw method:
If ground to the height of measuring point A is H; Ground to instrument transverse axis height is h; And N=H/h+ Δ (be N to be ground add that to the ratio of the height H of measuring point A and ground to instrument transverse axis height h the high factor such as subtle change that takes place of instrument adjustment process China National Instruments Import & Export Corporation produces, exist but negligible again several small variable sums in the operating process).As shown in Figure 2, the collapsing length of adjustment tripod three pin makes the laser point on the top board move on to the D point along BA extended line direction through the A point, and BD=BA*N, as the tunnel height be 3 meters, the appearance height is 1.5 meters, then N=2.The round bubble of this moment will be no longer placed in the middle, and the adjustment foot screw makes round bubble placed in the middle, theoretically; This moment, laser point should drop on the measuring point A, but because length and the direction of AB, BD all are visual estimations, and the ground of H, h is started at small factors such as error is a little arranged; So need repeatedly several times, bubble is placed in the middle when justifying, when laser spot and A point distance＜10mm; Accurately flatten instrument, and carry out accurate centering, accomplish point through the pan carriage head.
Method three: convergence method:
The adjustment foot screw makes round leveling bubble placed in the middle, as shown in Figure 3, estimates laser point B that laser beam forms at the top board distance apart from measuring point A, moves each foot rest point to A point direction respectively then, and displacement equals the length of AB; Step on steady foot rest, the leveling circular bubble, see top board laser point B apart from the distance of measuring point A whether＜10mm; Big as also, move again, repeatedly several times; Until stepping on steady foot rest, when laser point B is apart from the distance of roof station A＜10mm behind the leveling circular bubble, accurately flatten instrument; And carry out accurate centering leveling through the pan carriage head, accomplish point.
Claims (3)
1. a centring under point method of operating that produces the total powerstation of vertical laser beam or observe board moves to the point position below with instrument, and the leveling circular bubble is opened laser, and the instrument generation is a branch of to be overlapped with the instrument vertical pivot, impinges upon near the laser beam of roof station vertically upward; It is characterized in that: establishing the point of vertical laser beam on top board is B; Measuring point is A, see laser point B that laser beam forms at top board apart from the distance of measuring point A whether＞6CM, like＞6CM; Then move each foot rest point of instrument respectively to A point direction, displacement equals the length of AB; The leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＞6CM, big as also; Move the foot rest point again; Repeat the last action step,, step on steady foot rest until the distance＜6CM of laser point B apart from roof station A; The adjustment foot screw makes round leveling bubble placed in the middle, has three kinds of methods can make instrument accurate centering and leveling.
The method one of instrument accurate centering and leveling, foot screw → foot rest method:
If ground to the height of measuring point A is H; Ground to instrument transverse axis height is h; N=H/h+ Δ (Δ is that the high factor such as subtle change that takes place of instrument adjustment process China National Instruments Import & Export Corporation produces, and exists but negligible again several small variable sums in the operating process), C is the point on the AB extended line; Foot screw on the adjustment instrument base makes laser point B move on to the C point along the A B extended line direction away from measuring point A, and AC=AB*N, and the circle bubble will be no longer placed in the middle this moment, and the collapsing length of three pin of adjustment tripod makes round bubble (the inactive foot screw of this process) placed in the middle.Theoretically, this moment, laser point should drop on the measuring point A, but because length and the direction of AB, AC all are visual estimations; And start on the ground of H, h a little has small error, so need repeatedly several times, bubble is placed in the middle when justifying; When laser point and A point distance＜10mm; Accurately flatten instrument, and carry out accurate centering, accomplish point through the pan carriage head.
2. a kind of centring under point method of operating that produces the total powerstation of vertical laser beam or observe board according to claim 1 is characterized in that the method two of instrument accurate centering and leveling, foot rest → foot screw method:
If ground to the height of measuring point A is H; Ground to instrument transverse axis height is h; N=H/h+ Δ (Δ is that the high factor such as subtle change that takes place of instrument adjustment process China National Instruments Import & Export Corporation produces, and exists but negligible again several small variable sums in the operating process), the D point is the point on the BA extended line; The collapsing length of three pin of adjustment tripod makes the laser point on the top board move on to the D point along BA extended line direction, and BD=AB*N, and the round bubble of this moment will be no longer placed in the middle; The adjustment foot screw makes round bubble placed in the middle, theoretically; This moment, laser point should drop on the measuring point A, but because length and the direction of AB, BD all are visual estimations, and the ground of H, h is started at small error is a little arranged; So need repeatedly several times, bubble is placed in the middle when justifying, when laser spot and A point distance＜10mm; Accurately flatten instrument, and carry out accurate centering, accomplish point through the pan carriage head.
3. a kind of centring under point method of operating that produces the total powerstation of vertical laser beam or observe board according to claim 1 is characterized in that the method three of instrument accurate centering and leveling, convergence method:
The adjustment foot screw makes round leveling bubble placed in the middle, estimates laser point B that laser beam forms at the top board distance apart from measuring point A, moves each foot rest point to the BA direction respectively then, and displacement equals the length of AB; The leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＜10mm, big as also, move again, until the distance＜10m m of laser point B, step on steady foot rest apart from roof station A; The leveling circular bubble, see again top board laser point B apart from the distance of measuring point A whether＜10mm, as because of step on steady foot rest make laser point B apart from the distance of roof station A again＜10mm; Then also need move again; Repeatedly several times, when stepping on the distance of laser point B behind the steady foot rest＜10mm, accurately flatten instrument apart from roof station A; And carry out accurate centering leveling through the pan carriage head, accomplish 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 true CN102374861A (en) | 2012-03-14 |
| CN102374861B CN102374861B (en) | 2015-01-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776467A (en) * | 2014-02-20 | 2014-05-07 | 孙江 | Centering method of laser centering device under 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 |
| CN104567841A (en) * | 2014-12-26 | 2015-04-29 | 中国核工业二三建设有限公司 | High-altitude centering method used for total station |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206158A (en) * | 1997-01-22 | 1998-08-07 | Asahi Optical Co Ltd | Machine height measuring device |
| 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 |
-
2010
- 2010-08-12 CN CN201010255242.7A patent/CN102374861B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206158A (en) * | 1997-01-22 | 1998-08-07 | Asahi Optical Co Ltd | Machine height measuring device |
| 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 (1)
| Title |
|---|
| 杨红林: "《地下工程测量时仪器采用的激光对点给向装置》", 《矿山测量》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776467A (en) * | 2014-02-20 | 2014-05-07 | 孙江 | Centering method of laser centering device under control point of theodolite |
| 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 |
| CN104567841A (en) * | 2014-12-26 | 2015-04-29 | 中国核工业二三建设有限公司 | High-altitude centering method used for total station |
| 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 |
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