CN202229732U - Direct-reading laser height measuring instrument - Google Patents
Direct-reading laser height measuring instrument Download PDFInfo
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- CN202229732U CN202229732U CN2011202513899U CN201120251389U CN202229732U CN 202229732 U CN202229732 U CN 202229732U CN 2011202513899 U CN2011202513899 U CN 2011202513899U CN 201120251389 U CN201120251389 U CN 201120251389U CN 202229732 U CN202229732 U CN 202229732U
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Abstract
Direct-reading laser height measuring instrument. Belongs to a height measuring instrument. The bubble level meter comprises a base, 1 fixed foot and 2 adjustable feet below the base, and a bubble level meter at the center of a panel of the base, and is characterized in that the bubble level meter is provided with a stand column vertically fixed on the base, a rotating shaft at the upper end of the stand column, a dial movably sleeved on the rotating shaft, reading scales calibrated according to the horizontal distance between the center of the dial and the bottom of a measured object, a handle movably sleeved on the back of the dial and on the same rotating shaft with the dial, a laser emitter which is close to the edge of the dial and fixed on the handle, and a red laser beam which is radially emitted along the dial and. The reading scale is calculated according to the formula H ═ L tan alpha + H0Calculating and calibrating, wherein H is the height value of the target point to be measured; l is the horizontal distance between the center of the dial and the bottom of the target; alpha is the included angle between the laser beam and the horizontal line; h0Is the vertical height between the center of the dial and the bottom of the target. The trial shows that: the method is simple, practical, visual and convenient; the measuring result has higher correctness.
Description
Technical field
The utility model belongs to the height-gauge device, particularly a kind of direct-reading laser elevation measuring instrument.
Background technology
Existing height-gauge device like document 1 one Chinese patent application number 201110197568.6 disclosed height-gauges, comprising: carrier, adjustable foot, angle measurement unit, display device, generating laser; It is characterized in that, also comprise: microprocessor, wherein; The lower surface of carrier is provided with some adjusted supports that are used for the adjusting level, and the upper end of carrier is provided with generating laser, links to each other through articulated manner between generating laser and the carrier; Generating laser can be around jointed shaft 180 degree rotations; The angle of generating laser and surface level is obtained by angle measurement unit, and angle measurement unit obtains the angle value input microprocessor, and microprocessor receives the parameter that is used to obtain height size simultaneously; After receiving required parameter; Microprocessor moves automatically, handles and obtains the height size of buildings, and on display device, show.Principle of work is: with the utility model device horizontal adjustment; Height apart from ground is h; One place in the position, the horizontal range between position one and the buildings is L, regulates the generating laser angle this moment; The laser that makes generating laser send is penetrated the top at buildings, and the angle that angle measurement unit is noted between this moment generating laser and surface level is α; Then; The utility model device is moved on to two places, position, and the distance between position one and the position two is S, and the laser that generating laser sends is penetrated the top at buildings; The angle that angle measurement unit is noted between this moment generating laser and surface level is β; Twice angle [alpha] and β, two distance h and L, the equal input microprocessor of height h; Store the mathematical model of foundation in the microprocessor: by system of equations: Sin α/H=Cos α/L (formula one), Sin β/H=Cos β/(L-S) (formula two).Can obtain depth of building H by above-mentioned two equations, H=Sin β/(tan β cot α-1)+h (formula three), microprocessor are then according to formula three, and computing obtains the height of buildings.
Document 1 disclosed this height-gauge; On the one hand because it need carry out the measurement of twice angle [alpha] and β, three distance h and L and S two positions; Successively measure the measuring error that produces for 5 times and must make systematic error that measurement result produces and stochastic error, influenced the correctness of measurement result all because of the increase of measurement number of times strengthens; Its complex structure on the other hand, not only operation and maintenance difficulty is big, and manufacture difficulty is high, cost is high, is difficult to popularize use.
This shows, design a kind of simple and easy practicality, the direct-reading laser elevation measuring instrument of intuitive and convenient is necessary.
The utility model content
The purpose of the utility model is the deficiency that overcomes prior art, designs a kind of simple and easy practicality, the direct-reading laser elevation measuring instrument of intuitive and convenient.
The technical scheme of the utility model is: a kind of direct-reading laser elevation measuring instrument; Comprise base; Be positioned at 1 fixing feet, 2 adjustable pin that have setting nut below the base, be fixed in the air-bubble level of base panel central authorities, it is characterized in that being designed with perpendicular to base panel, be fixed on the column on the base; Be parallel to base panel, be configured in the rotating shaft of column upper end; Disk center is socketed in the circular scale in the rotating shaft versatilely, and the altitude reading scale of demarcating according to index dial center and measured target thing bottom level spacing is socketed in the handle in index dial back, the rotating shaft same with it versatilely; Near the index dial edge and be fixed in the generating laser on the handle, along the red laser beam index dial radial emission, that be close to the index dial card.
The purpose of the utility model can also take following further technical measures to realize:
Said according to index dial center and testee bottom level spacing and the demarcation in the altitude reading scale of demarcating is meant α+H according to formula H=L tan
0Calculate and demarcate, in the formula, H is meant the luminous point through the red laser beam at index dial card center, the height value that records when aiming at measured target point; L is meant the level interval between index dial center and the measured target thing bottom; When α is meant the spot alignment measured target point of red laser beam, the angle between laser beam and the horizontal line; H
0When being meant the spot alignment measured target point of red laser beam, the vertical height between index dial center and the measured target thing bottom also just equals the vertical range on ground below base, index dial card center.Calculate the read text scale of demarcating when preferred L is 100 centimetres, 300 centimetres, 500 centimetres, 700 centimetres in the said altitude reading scale.The technique effect of above-mentioned design is: the level interval between selected index dial center is bottom the measured target thing for preferably apart from the time; Turning handle and on generating laser; Make red laser beam pass through the index dial center; And simultaneously with the spot alignment measured target point of this laser beam, red laser beam this moment altitude reading scale in the projection on the index dial card is the true altitude value of measured target point.Obviously,, also can select L, carry out same demarcation for behind other suitable numerical value according to the use needs.
Initial reading scale in the said altitude reading scale is a horizontal line, and the final reading scale is a perpendicular line.The technique effect of this design is: when giving the spot alignment measured target point of measuring red laser beam on the one hand, the angle between laser beam and the horizontal line provides reference horizontal line; On the other hand; Can be easily with the altitude reading scale of above-mentioned 4 groups of different angles according to the 4 kinds of different spacing in index dial center and measured target thing bottom; Demarcate respectively in 4 different quadrants of index dial card, after selected L value before the measurement, the rotary dial card; One group of altitude reading scale of corresponding this L value is forwarded in the quadrant in the upper right corner, and then measure.
Said base panel is designed with the level interval that is in the same vertical plane with the index dial center near the level meter place and measures starting point, with this point of process level interval slotted line parallel with the index dial card.The technique effect of this design is: simplified the measurement of the level interval between aforementioned index dial center and the measured target thing bottom.Promptly initial from measuring starting point with tape measure, along level interval slotted line direction, extend the numerical value that measures to measured target thing bottom, just equal the level interval between index dial center and the measured target thing bottom.
Said rotating shaft end points protrudes from the light beam diameter of the height of index dial card less than red laser beam.The technique effect of this design is: prevent to measure the roller end that is protruded from the index dial card with the red laser beam light beam and block, influence normally carrying out of measuring process.
Said generating laser disposes the power supply of belt switch.
The method of application of the direct-reading laser elevation measuring instrument that the utility model enforcement obtains is following:
1, measuring instrument preliminary site selection: at first using tape measure to measure the center of index dial and the level interval of measured target thing, make it to the preferred spacing of timing signal in the altitude reading scale on the index dial card, is 300 centimetres like L.The position of whole direct-reading laser elevation measuring instrument is measuring instrument primary election position at this moment; 2, base panel horizontal adjustment: 2 adjustable pin that have setting nut below the adjusting base; When making leveling bubble on the air-bubble level of base panel central authorities be between the level scale mark; Indicate that base panel debugged consistent with surface level; Just mean center perpendicular to the index dial on the column of base panel; Be in the perpendicular perpendicular of base panel in, the level interval on the base panel is measured starting point also just in this same perpendicular, the level interval slotted line is also just inevitable parallel with the index dial card; 3, the measuring instrument position is accurately selected: reuse the measurement starting point of tape measure from the base panel as measuring starting point; Along level interval slotted line direction, extend measurement to measured target thing bottom, cooperate fine setting measuring instrument position; Make the numerical value that obtains accurately reach on the index dial card the preferred spacing of timing signal in the altitude reading scale; Like L is 300 centimetres, finely tunes air-bubble level once more, and leveling bubble accurately is between the level scale mark.The position of whole direct-reading laser elevation measuring instrument is the accurate select location of measuring instrument at this moment; 4, measure and directly read and record height value: open the Laser emission appliance mains switch, so generating laser penetrates red laser beam; From the position parallel with base panel; That is red laser beam along the position of the horizontal line scale on the index dial card emission light beam, turning handle and on generating laser, make red laser beam pass through the index dial center; And simultaneously with the spot alignment measured target point of this laser beam; This moment, red laser beam was on the index dial card in the projection, from being one group of altitude reading scale of 300 centimetres corresponding to L, just directly read and recorded height value.As; Laser beam is aimed at the top of object being measured; The angle that laser beam is turned over by the horizontal line position=30 °; Because according to formula H=(300tan30 °+20) centimetre=193.2 centimetres=1.932 meters demarcation, in the formula, 20 centimetres is the vertical range on ground below base, index dial card center in this group altitude reading scale.Therefore, this moment red laser beam be carved with 30 ° of positions on disk just in the projection on the index dial card 1.932 meters, promptly directly read to such an extent that the height of measured target point is 1.932 meters.
The direct-reading laser elevation measuring instrument of the technical scheme of the utility model through implementing to obtain through on probation, compared with prior art shown following beneficial effect:
1, simple and easy practicality, intuitive and convenient.Compare with document 1 described height-gauge, simple in structure, thus help the minimizing of manufacturing cost, the reduction of price, the popularizing of use; As mathematics, when physics educational apparatus uses, on the principles of science, also more intuitively understand; And the height that can be used in objects such as buildings, trees is measured.
2, the measurement result correctness is higher.With document 1 described height-gauge need be two positions; Carry out angle: α and β twice, five measurements that amount to of three distance: h, L and S are compared, and the utility model only needs to carry out the measurement of a distance L a position; Just can utilize the projection of red laser beam on the index dial card; Directly read the height value of measured target point, the systematic error and the stochastic error of measurement result greatly reduce, and the correctness of measurement result is inevitable higher.
Description of drawings
Fig. 1 is the synoptic diagram that meets the utility model thematic structure.
Embodiment
Below in conjunction with accompanying drawing the implementation detail of the utility model is explained as follows:
As shown in Figure 1; A kind of direct-reading laser elevation measuring instrument comprises base 1, is positioned at the adjustable pin 12,13 that 11,2 of 1 fixing feet below the base have setting nut; Be fixed in the air-bubble level 2 of base panel central authorities; It is characterized in that being designed with perpendicular to base panel, be fixed on the column 3 on the base, be parallel to base panel, be configured in the rotating shaft 4 of column upper end, disk center is socketed in the circular scale 5 in the rotating shaft versatilely; According to index dial center and measured target thing bottom level spacing and the altitude reading scale of demarcating 51; Be socketed in the handle 6 in index dial back, the rotating shaft same versatilely, near the index dial edge and be fixed in the generating laser 7 on the handle, along the red laser beam 71 index dial radial emission, that be close to the index dial card with it.
As shown in Figure 1, calculate the read text scale of demarcating when preferred L is 100 centimetres, 300 centimetres, 500 centimetres, 700 centimetres in the said altitude reading scale.Initial reading scale in the said altitude reading scale is a horizontal line 510, and the final reading scale is a perpendicular line 519.During practical implementation; Can be with the altitude reading scale of above-mentioned 4 groups of different angles according to the 4 kinds of different spacing in index dial center and measured target thing bottom; Demarcate respectively in 4 different quadrants of index dial card, after selected L value, the rotary dial card; One group of altitude reading scale of corresponding this L value is forwarded in the quadrant in the upper right corner, and then measure.
As shown in Figure 1, said base panel is designed with near the level meter place and measures starting point 14 with the level interval in the index dial center is in same vertical plane and through this some level interval slotted line 15 parallel with the index dial card.
Said generating laser disposes the power supply of belt switch.This is configured to the routine techniques measure, and Gu Tuzhong does not draw.
The utility model uses as mathematics, physics educational apparatus, or is used in the height measurement of objects such as buildings, trees.
Claims (7)
1. direct-reading laser elevation measuring instrument; Comprise base (1); Be positioned at 1 fixing feet (11), 2 adjustable pin that have setting nut (12,13) below the base, be fixed in the air-bubble level (2) of base panel central authorities, it is characterized in that being designed with perpendicular to base panel, be fixed on the column (3) on the base; Be parallel to base panel, be configured in the rotating shaft (4) of column upper end; Disk center is socketed in the circular scale (5) in the rotating shaft versatilely, and the altitude reading scale of demarcating according to index dial center and measured target thing bottom level spacing (51) is socketed in the handle (6) in index dial back, the rotating shaft same with it versatilely; Near the index dial edge and be fixed in the generating laser (7) on the handle, along the red laser beam index dial radial emission, that be close to the index dial card (71).
2. direct-reading laser elevation measuring instrument according to claim 1 is characterized in that said according to index dial center and testee bottom level spacing and the demarcation in the altitude reading scale of demarcating is meant α+H according to formula H=L tan
0Calculate and demarcate, in the formula, H is meant the luminous point through the red laser beam at index dial card center, the height value that records when aiming at measured target point; L is meant the level interval between index dial center and the measured target thing bottom; When α is meant the spot alignment measured target point of red laser beam, the angle between laser beam and the horizontal line; H
0When being meant the spot alignment measured target point of red laser beam, the vertical height between index dial center and the measured target thing bottom also just equals the vertical range on ground below base, index dial card center.
3. direct-reading laser elevation measuring instrument according to claim 2 is characterized in that calculating when preferred L is 100 centimetres, 300 centimetres, 500 centimetres, 700 centimetres in the said altitude reading scale read text scale of demarcating.
4. direct-reading laser elevation measuring instrument according to claim 2 is characterized in that the initial reading scale in the said altitude reading scale is horizontal line (510), and the final reading scale is perpendicular line (519).
5. direct-reading laser elevation measuring instrument according to claim 1 and 2; It is characterized in that said base panel is designed with the level interval that is in the same vertical plane with the index dial center near the level meter place and measures starting point (14), with this point of process level interval slotted line (15) parallel with the index dial card.
6. direct-reading laser elevation measuring instrument according to claim 1 is characterized in that said rotating shaft end points protrudes from the light beam diameter of the height of index dial card less than red laser beam.
7. direct-reading laser elevation measuring instrument according to claim 1 is characterized in that said generating laser disposes the power supply of belt switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202513899U CN202229732U (en) | 2011-07-18 | 2011-07-18 | Direct-reading laser height measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202513899U CN202229732U (en) | 2011-07-18 | 2011-07-18 | Direct-reading laser height measuring instrument |
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| Publication Number | Publication Date |
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| CN202229732U true CN202229732U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202513899U Expired - Fee Related CN202229732U (en) | 2011-07-18 | 2011-07-18 | Direct-reading laser height measuring instrument |
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| Country | Link |
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| CN (1) | CN202229732U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729461A (en) * | 2015-03-23 | 2015-06-24 | 国家电网公司 | Reflection-type simple laser altimeter |
| CN109443308A (en) * | 2018-11-07 | 2019-03-08 | 中国十九冶集团有限公司 | Roadbed elevation detection device and roadbed elevation detection method |
| CN109801536A (en) * | 2019-03-18 | 2019-05-24 | 郑州航空工业管理学院 | A kind of mathematical model Dynamic Display device |
| CN110243315A (en) * | 2019-05-14 | 2019-09-17 | 重庆鹏锦塑料有限公司 | A kind of new material polishing detection device |
| CN111521153A (en) * | 2020-07-02 | 2020-08-11 | 上海雄程海洋工程股份有限公司 | Method for measuring pile parameters in pile sinking process |
| CN113124818A (en) * | 2021-05-21 | 2021-07-16 | 美国西北仪器公司 | Line casting device |
-
2011
- 2011-07-18 CN CN2011202513899U patent/CN202229732U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729461A (en) * | 2015-03-23 | 2015-06-24 | 国家电网公司 | Reflection-type simple laser altimeter |
| CN109443308A (en) * | 2018-11-07 | 2019-03-08 | 中国十九冶集团有限公司 | Roadbed elevation detection device and roadbed elevation detection method |
| CN109801536A (en) * | 2019-03-18 | 2019-05-24 | 郑州航空工业管理学院 | A kind of mathematical model Dynamic Display device |
| CN109801536B (en) * | 2019-03-18 | 2021-02-26 | 郑州航空工业管理学院 | A dynamic display device for mathematical models |
| CN110243315A (en) * | 2019-05-14 | 2019-09-17 | 重庆鹏锦塑料有限公司 | A kind of new material polishing detection device |
| CN111521153A (en) * | 2020-07-02 | 2020-08-11 | 上海雄程海洋工程股份有限公司 | Method for measuring pile parameters in pile sinking process |
| CN113124818A (en) * | 2021-05-21 | 2021-07-16 | 美国西北仪器公司 | Line casting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20120718 |