CN204346329U - A kind of height measuring device of surveying instrument - Google Patents
A kind of height measuring device of surveying instrument Download PDFInfo
- Publication number
- CN204346329U CN204346329U CN201520050820.1U CN201520050820U CN204346329U CN 204346329 U CN204346329 U CN 204346329U CN 201520050820 U CN201520050820 U CN 201520050820U CN 204346329 U CN204346329 U CN 204346329U
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- China
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- rule
- section
- surveying instrument
- device case
- tape measure
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of height measuring device of surveying instrument, comprise the device case that is arranged on surveying instrument side and the tape measure for the spacing of measuring ground survey point immediately below described device case and surveying instrument, the rotating shaft for the described tape measure that reels is provided with in described device case, described device case is provided with the telescopic rule of horizontal range between indicating for measurement mechanism housing and surveying instrument height, described telescopic rule and tape measure are intersected in a bit on device case, described telescopic rule comprises the fixing rule section be fixedly connected with device case and the multi-stage expansion rule be connected in described fixing rule section, described fixing rule section is provided with pipe level.This height measuring device effectively overcomes in prior art and measures the larger deficiency of instrument height error, utilizes triangle geometric relationship, can calculate the vertical height of surveying instrument fast accurately.
Description
Technical field
The utility model relates to a kind of height measuring device, especially relates to a kind of height measuring device of surveying instrument.
Background technology
At present, when measuring the height of instrument, generally all adopt steel tape directly to measure, but the method measures is the oblique distance of instrument height mark to survey station ground survey point, is not the vertical range of survey station ground survey point to centre.Existing method is subject to the impact of foot rest and instrument simultaneously, steel tape can not be straightened in the process of measuring, the numerical value read is equivalent to the distance of one section of curve, even if repetitive measurement is averaged as the slant height of instrument, institute's deviational survey is apart from the impact that still can be subject to the mode of measuring, reading error, when especially carrying out trigonometric levelling with total powerstation, interior industry data calculate according to vertical range.Obviously, using classic method to measure instrument height, to carry out grid DEM be irrational.Therefore need a kind of can the device of accurate measuring instrument height, to improve the precision of measurement result.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of height measuring device of surveying instrument.This height measuring device effectively overcomes in prior art and measures the larger deficiency of instrument height error, utilizes triangle geometric relationship, can calculate the vertical height of surveying instrument fast accurately.
For achieving the above object, the technical solution adopted in the utility model is: a kind of height measuring device of surveying instrument, it is characterized in that: comprise the device case that is arranged on surveying instrument side and the tape measure for the spacing of measuring ground survey point immediately below described device case and surveying instrument, the rotating shaft for the described tape measure that reels is provided with in described device case, described device case is provided with the telescopic rule of horizontal range between indicating for measurement mechanism housing and surveying instrument height, described telescopic rule and tape measure are intersected in a bit on device case, described telescopic rule comprises the fixing rule section be fixedly connected with device case and the multi-stage expansion rule be connected in described fixing rule section, described fixing rule section is provided with pipe level.
The height measuring device of above-mentioned a kind of surveying instrument, it is characterized in that: described multi-stage expansion rule is that two-stage is stretched rule, comprise one-level rule section and secondary calibration chi section, described one-level rule section inserts described fixing rule section, described one-level rule section and described fixing rule section are in being slidably matched, described secondary calibration chi section inserts described one-level rule section, described secondary calibration chi section and one-level rule section are in being slidably matched, described fixing rule section is provided with for being against one-level rule section to locate the first screw of described one-level rule section, described one-level rule section is provided with for being against in secondary calibration chi section to locate the second screw of described secondary calibration chi section.
The height measuring device of above-mentioned a kind of surveying instrument, is characterized in that: described device case slidably connects the brake silpper for locking tape measure or unreeling of tape.
The height measuring device of above-mentioned a kind of surveying instrument, is characterized in that: one end of described tape measure is provided with the chi hook for conveniently pulling tape measure.
The height measuring device of above-mentioned a kind of surveying instrument, is characterized in that: described tape measure is made up of glass fibre.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model utilizes triangle geometric relationship, can calculate instrument vertical height accurately fast, avoids replacing instrument vertical high by instrument slant height, affects the accuracy of measurement data.
3, the utility model adopts multi-stage expansion rule, and conveniently can be adjusted to suitable position when measuring surveying instrument height like this, match with tape measure form right angle relation, is convenient to calculate.
4, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, reasonable in design, uses easy to operate, and it is accurately convenient to measure, and strong adaptability, realizes cost low, practical, easy to utilize, solves field and measures the problem that instrument height is oblique distance.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is using state schematic diagram of the present utility model.
Fig. 3 is the schematic diagram that the utility model utilizes triangle geometric relationship computation and measurement instrument vertical height.
Description of reference numerals:
1-surveying instrument; 2-device case; 3-telescopic rule;
3-1-fixing rule section; 3-2-one-level rule section; 3-3-secondary calibration chi section;
3-4-the first screw; 3-5-the second screw; 4-tape measure;
5-rotating shaft; 6-chi hook; 7-brake silpper;
8-pipe level.
Embodiment
The height measuring device of a kind of surveying instrument as depicted in figs. 1 and 2, comprise the device case 2 that is arranged on surveying instrument 1 side and the tape measure 4 for the spacing of measuring ground survey point D immediately below described device case 2 and surveying instrument 1, the rotating shaft 5 for the described tape measure 4 that reels is provided with in described device case 2, described device case 2 is provided with the telescopic rule 3 indicating horizontal range between B for measurement mechanism housing 2 and surveying instrument height, described telescopic rule 3 and tape measure 4 are intersected in a bit on device case 2, described telescopic rule 3 comprises the fixing rule section 3-1 be fixedly connected with device case 2 and the multi-stage expansion rule be connected on described fixing rule section 3-1, described fixing rule section 3-1 is provided with pipe level 8.
Composition graphs 3, in the present embodiment, the height measuring device of this surveying instrument in use, is specified surveying instrument height mark B to the horizontal range of surveying instrument center C, is denoted as L1; Stretch the front end of telescopic rule 3 to surveying instrument height mark B place, and holding tube level 8 bubble is placed in the middle, and stretching tape measure 4 arrives ground survey point D place, reads the reading of telescopic rule 3 and tape measure 4 respectively, is denoted as L2, L3 separately.Utilize Pythagorean theorem accurately can draw the height d of surveying instrument, computing formula is as follows:
In the present embodiment, the height measuring device of this surveying instrument utilizes triangle geometric relationship, can calculate instrument vertical height d fast accurately, avoids replacing instrument vertical high by instrument slant height, affects the accuracy of measurement data.
As shown in Figure 2, described multi-stage expansion rule is that two-stage is stretched rule, comprise one-level rule section 3-2 and secondary calibration chi section 3-3, described one-level rule section 3-2 inserts described fixing rule section 3-1, described one-level rule section 3-2 and described fixing rule section 3-1 is in being slidably matched, described secondary calibration chi section 3-3 inserts described one-level rule section 3-2, described secondary calibration chi section 3-3 and one-level rule section 3-2 is in being slidably matched, described fixing rule section 3-1 is provided with for being against one-level rule section 3-2 to locate the first screw 3-4 of described one-level rule section 3-2, described one-level rule section 3-2 is provided with for being against on secondary calibration chi section 3-3 to locate the second screw 3-5 of described secondary calibration chi section 3-3.
In the present embodiment, adopt multi-stage expansion rule, conveniently can be adjusted to suitable position when measuring surveying instrument height like this, match with tape measure 4 form right angle relation, is convenient to calculate.
As shown in Figure 2, described device case 2 slidably connects the brake silpper 7 for locking tape measure 4 or unreeling of tape 4.The convenient locking to tape measure 4 and the reading to the concrete scale value of tape measure 4.
As shown in Figure 2, one end of described tape measure 4 is provided with the chi hook 6 for conveniently pulling tape measure 4.Described chi hook 6 is rivet chi hook structure, not yielding, guarantee measure more accurate.
In the present embodiment, described tape measure 4 is made up of glass fibre.Tape measure 4 can be prevented in use to be elongated and to affect the accuracy of measurement data.Device case 2 is ABS new plastic, have fabulous anti-ly to fall, the good characteristic such as wear-resisting, not yielding.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. the height measuring device of a surveying instrument, it is characterized in that: comprise the device case (2) that is arranged on surveying instrument (1) side and the tape measure (4) for the spacing of measuring ground survey point immediately below described device case (2) and surveying instrument (1), the rotating shaft (5) for described tape measure (4) that reel is provided with in described device case (2), described device case (2) is provided with the telescopic rule (3) of horizontal range between indicating for measurement mechanism housing (2) and surveying instrument height, described telescopic rule (3) and tape measure (4) are intersected in a bit on device case (2), described telescopic rule (3) comprises the fixing rule section (3-1) be fixedly connected with device case (2) and the multi-stage expansion rule be connected on described fixing rule section (3-1), described fixing rule section (3-1) is provided with pipe level (8).
2. the height measuring device of a kind of surveying instrument according to claim 1, it is characterized in that: described multi-stage expansion rule is that two-stage is stretched rule, comprise one-level rule section (3-2) and secondary calibration chi section (3-3), described one-level rule section (3-2) inserts described fixing rule section (3-1), described one-level rule section (3-2) and described fixing rule section (3-1) are in being slidably matched, described secondary calibration chi section (3-3) inserts described one-level rule section (3-2), described secondary calibration chi section (3-3) and one-level rule section (3-2) are in being slidably matched, described fixing rule section (3-1) is provided with for being against one-level rule section (3-2) to locate first screw (3-4) of described one-level rule section (3-2), described one-level rule section (3-2) is provided with for being against in secondary calibration chi section (3-3) to locate second screw (3-5) of described secondary calibration chi section (3-3).
3. the height measuring device of a kind of surveying instrument according to claim 1, is characterized in that: described device case (2) slidably connects the brake silpper (7) for locking tape measure (4) or unreeling of tape (4).
4. the height measuring device of a kind of surveying instrument according to claim 1, is characterized in that: one end of described tape measure (4) is provided with the chi hook (6) for conveniently pulling tape measure (4).
5. the height measuring device of a kind of surveying instrument according to claim 1, is characterized in that: described tape measure (4) is made up of glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050820.1U CN204346329U (en) | 2015-01-24 | 2015-01-24 | A kind of height measuring device of surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520050820.1U CN204346329U (en) | 2015-01-24 | 2015-01-24 | A kind of height measuring device of surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346329U true CN204346329U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520050820.1U Expired - Fee Related CN204346329U (en) | 2015-01-24 | 2015-01-24 | A kind of height measuring device of surveying instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382876A (en) * | 2016-11-24 | 2017-02-08 | 桂林理工大学 | Simple method for measuring height of theodolite |
| CN112147227A (en) * | 2020-09-23 | 2020-12-29 | 廊坊市阳光建设工程质量检测有限公司 | Angular distance instrument for ultrasonic angular measurement and use method thereof |
-
2015
- 2015-01-24 CN CN201520050820.1U patent/CN204346329U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382876A (en) * | 2016-11-24 | 2017-02-08 | 桂林理工大学 | Simple method for measuring height of theodolite |
| CN112147227A (en) * | 2020-09-23 | 2020-12-29 | 廊坊市阳光建设工程质量检测有限公司 | Angular distance instrument for ultrasonic angular measurement and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |