CN208833924U - Change measuring device to a kind of gravity measurement near region - Google Patents
Change measuring device to a kind of gravity measurement near region Download PDFInfo
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- CN208833924U CN208833924U CN201821739201.3U CN201821739201U CN208833924U CN 208833924 U CN208833924 U CN 208833924U CN 201821739201 U CN201821739201 U CN 201821739201U CN 208833924 U CN208833924 U CN 208833924U
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- bar
- contour
- measurement
- round tube
- chassis
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Abstract
The utility model changes measuring device with providing a kind of gravity measurement near region, it include chassis, horizon bar, two brackets, round tube, contour bar and lead including semicircle scale plate, two coils and three measurement seats, measurement seat, described horizon bar one end is hingedly and on chassis, the other end screws in a leveling serew, it is supported on the chassis by leveling serew, contour bar and lead hang on round tube, form pendulum clock structure, so that contour bar is always vertically upward.The gravity measurement that the utility model is suitable for ten thousand or more large scale of 1:5 is entered topographic correction.Its precision of topographic correction is very high, combines the hypsography correction of different size radius.Accurately, fast, it is cheap and can overcome because the inaccurate feature of topographic correction and scene caused by surface vegetation read ground revaluate, avoid secondary calculating error.One kind, which is provided, for High-Precision Gravimeter Survey changes method feasiblely.
Description
Technical field
Change measuring device the utility model discloses a kind of gravity measurement near region, it is mainly used in large scale gravity
When field measurement, live near field topographic correction is carried out, second order error caused by the calculating in later period is reduced.
Background technique
The short range terrain correction of current gravimetric prospecting is general to estimate landform by the way of range estimation if it is low precision zone
Corrected value.
Photocartography data that large-scale high-precision topographic correction generally uses, numerical map, high-precision laser are swept
It retouches instrument and to carry out changes.But these equipment volumes are big, mobile inconvenient, while equipment is also costly.
China Geological Survey Bureau, geologic survey center, Xi'an proposes to use laser range finder to measure, then in room
Interior progress ground changes.Although acquiring, data are quick, and volume is relatively also little.But practical field measurement often has very thick vegetation,
Laser range finder cannot realize the collecting work of data well, while the data of field acquisition carry out secondary treatment indoors,
It will also result in the accumulation of error.
Therefore, in the gravity measurement region for partially needing higher precision, in order to reduce influence caused by landform, it is necessary to mention
For changing data higherly.According to plectane method, a kind of high-precision gravity short range terrain correction instrument of modern is proposed.
Summary of the invention
To be solved in the utility model is to provide a kind of more direct, more acurrate, price just for High-Precision Gravimeter Survey
Preferably and the ground of relatively convenient changes measuring device.It can overcome earth's surface to change error problem, while scene caused by vegetative coverage
Change numerical value with directly obtaining, avoids secondary calculating error, and the precision in order to guarantee measurement, design a kind of automatic vertical tune
Whole instrument and leveling device help survey line vertical with earth's surface.
The technical issues of the utility model, is achieved by the following technical programs: changing measurement to a kind of gravity measurement near region
Device, including semicircle scale plate, two coils and three measurement seats, measurement seat include chassis, horizon bar, two brackets, round tube,
Contour bar and lead, hingedly and on chassis, the other end screws in a leveling serew for described horizon bar one end, is supported by leveling serew
In on the chassis, two brackets are fixed on the both ends of horizon bar vertically upward, and the both ends of round tube are installed on bracket, and with
Horizon bar is parallel；Installation by adhering has air-bubble level on the round tube；Contour bar is provided with through-hole, leads in the middle part of round tube across this
Hole, contour bar hang on round tube；Lead is fixed on contour bar lower end；
Contour bar top on three measurement seats is equal with the distance between horizon bar；
One of measurement seat is fixed in label ground revaluate on the semicircle scale plate, the diameter side of semicircle scale plate
Contour bar side face, semicircle scale plate and the round tube of the measurement seat are generally aligned in the same plane, the center of circle of semicircle scale plate and contour bar top
Hold level with both hands neat；The beginning of line on coil is connected to the center location of semicircle scale plate.
Further, the coiling on the coil has scale marker.
Further, circumferential angle value is carved on chassis.
Due to the adoption of the above technical scheme, the utility model has the positive effect that:
1, directly change the corresponding revaluate for gravity in landform inclination angle on the semicircle scale plate that method is produced, precision using ground
Reach 0.01mgal.Convenient reading is quick, does not need later period progress secondary calculating.
2, because utilizing contour bar, measurement when, can not be by the Vegetation Effect of earth's surface, while can carry out two-period form survey
Amount.
3, easy to operate, civilian worker etc. can be allowed to operate, reduce the quantity of technician.Two people can be carried out surveying
Amount.If increasing a people, measuring speed can be improved one times.
4, it is supported on the chassis by leveling serew, realizes Level tune, contour bar and lead are hung on into round tube,
Pendulum clock structure is formed, so that contour bar is always vertically upward.The two combines, and overcomes the deviation of manual measurement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is measurement seat schematic diagram；
Fig. 3 is horizon bar scheme of installation；
Fig. 4 is ground revaluate semicircle scale plate；
Fig. 5 is instrumentation plan.
Specific embodiment
The utility model specific structure and embodiment are described with reference to the drawings as follows:
Change to a kind of gravity measurement near region measuring device, including 1, two coil 2 of semicircle scale plate and three measurement seats 3,
Measuring seat 3 includes chassis 31,32, two brackets 33 of horizon bar, round tube 34, contour bar 35 and lead 36, the horizon bar 32 1
Hingedly and on chassis 31, the other end screws in a leveling serew 37 at end, is supported on the chassis 31 by leveling serew 37, two
Bracket 33 is fixed on the both ends of horizon bar 32 vertically upward, and the both ends of round tube 34 are installed on bracket 33, and with horizon bar 32
In parallel；Installation by adhering has air-bubble level 38 on the round tube 34；Contour bar 35 is provided with through-hole, leads in the middle part of round tube 34 across this
Hole, contour bar 35 hang on round tube 34；Lead 36 is fixed on contour 35 lower end of bar；The chassis is supported in by leveling serew 37
On 31, cooperation air-bubble level 38 realizes Level tune, and contour bar 35 and lead 36 are hung on round tube 34, form pendulum clock knot
Structure, so that contour bar is always vertically upward.The two combines, and surface vegetation causes false ground level that can also remove, overcomes
The deviation of manual measurement.
35 top of contour bar on three measurement seats 3 is equal with the distance between horizon bar 32；
Label ground revaluate on the semicircle scale plate 1, scale value can utilize the existing fan-shaped and annular comprehensive meter of formula
It calculates.The annular formula of annular+10~20m of formula of fan-shaped+5~10m of formula of 5m radius is taken to be calculated respectively, synthesis is examined
The ground for considering different scale radius changes influence, increases precision of topographic correction.
8 side of contour bar of one of measurement seat is fixed in the diameter side of semicircle scale plate 1, semicircle scale plate 1 with should
The round tube 34 of measurement seat 3 is generally aligned in the same plane, and the center of circle of semicircle scale plate 1 is concordant with contour 35 top of bar；Line on coil 2
Beginning is connected to the center location of semicircle scale plate 1.
As a preferred option, the coiling on the coil 2 has scale marker, and distance can be read directly, and facilitates survey
Amount.It is carved with circumferential angle value on chassis 31, plays the role of dividing all directions parallactic angle.
The detailed process of the utility model progress high-precision gravity short range terrain correction are as follows:
Measurement seat 3 is placed on the gravimetric station changed with needing to carry out, the bottom is supported in by leveling serew 37
On disk 31, cooperation air-bubble level 38 realizes Level tune, and contour bar 35 and lead 36 are hung on round tube 34, form pendulum clock knot
Structure, so that contour bar is always vertically upward.Other two people starts to put survey line, according to the length mark on survey line, draws and arrives 20m
Place, then reads the ground revaluate of survey line corresponding angle on semicircle scale plate 1, and records.Then unwrapping wire personnel go to counterclockwise
The corresponding direction of next eight directional continues to read ground revaluate, record, until all orientation are run through, if there is two
Position jug hustler, then they can measure simultaneously, then mobile counterclockwise simultaneously, at this time only need 4 orientation.
If so, then there is landform out-of-flatness in 5m, 10m, then repeat the above process, survey line personnel distinguish unwrapping wire 5m and
10m, and operated, recorded as procedure described above.
Because ground revaluate is all positive value, because being the elevation angle or inclination angle when no matter measurement, the ground revaluate of reading is all
Positive.Face upward and have a down dip simultaneously same angle when, the ground revaluate size on ground revaluate semicircle scale plate 1 is same.
To those of ordinary skill in the art, eight directional is readily modified as 16 orientation, 32 orientation.It only needs to count again
The ground for calculating ground revaluate semicircle scale plate 1 changes numerical value.Or different scale radius calculation formula is taken, these improve and replace
It changes, is considered as the protection scope of the utility model.
Claims (3)
1. changing measuring device to a kind of gravity measurement near region, which is characterized in that including semicircle scale plate (1), two coils (2) and
Three measurement seats (3), measurement seat (3) include chassis (31), horizon bar (32), two brackets (33), round tube (34), contour bar
(35) and lead (36), hingedly and on chassis (31), the other end screws in a leveling serew (37) for described horizon bar (32) one end, leads to
It crosses leveling serew (37) to be supported on the chassis (31), two brackets (33) are fixed on the two of horizon bar (32) vertically upward
End, the both ends of round tube (34) are installed on bracket (33), and parallel with horizon bar (32)；Installation by adhering on the round tube (34)
There are air-bubble level (38)；Contour bar (35) is provided with through-hole, passes through the through-hole in the middle part of round tube (34), contour bar (35) hangs on circle
It manages (34)；Lead (36) is fixed on contour bar (35) lower end；
Contour bar (35) top on three measurements seat (3) is equal with the distance between horizon bar (32)；
One of measurement seat is fixed in label ground revaluate on the semicircle scale plate (1), the diameter side of semicircle scale plate (1)
Contour bar (8) side, semicircle scale plate (1) and the round tube (34) of the measurement seat (3) be generally aligned in the same plane, semicircle scale plate
(1) the center of circle is concordant with contour bar (35) top；The beginning of line on coil (2) is connected to the center of circle position of semicircle scale plate (1)
It sets.
2. measuring device according to claim 1, which is characterized in that the coiling on the coil (2) has scale marker.
3. measuring device according to claim 1, which is characterized in that be carved with circumferential angle value on (31) in chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821739201.3U CN208833924U (en) | 2018-10-25 | 2018-10-25 | Change measuring device to a kind of gravity measurement near region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821739201.3U CN208833924U (en) | 2018-10-25 | 2018-10-25 | Change measuring device to a kind of gravity measurement near region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833924U true CN208833924U (en) | 2019-05-07 |
Family
ID=66319550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821739201.3U Expired - Fee Related CN208833924U (en) | 2018-10-25 | 2018-10-25 | Change measuring device to a kind of gravity measurement near region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835085A (en) * | 2021-09-30 | 2021-12-24 | 南京信息工程大学 | Radar rapid height measurement method based on complex terrain compensation |
-
2018
- 2018-10-25 CN CN201821739201.3U patent/CN208833924U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113835085A (en) * | 2021-09-30 | 2021-12-24 | 南京信息工程大学 | Radar rapid height measurement method based on complex terrain compensation |
| CN113835085B (en) * | 2021-09-30 | 2023-07-25 | 南京信息工程大学 | Radar rapid elevation measuring method based on complex terrain compensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20191025 |