CN108827230B - Ultra-wide water area precise river crossing leveling device and method - Google Patents
Ultra-wide water area precise river crossing leveling device and method Download PDFInfo
- Publication number
- CN108827230B CN108827230B CN201810373428.9A CN201810373428A CN108827230B CN 108827230 B CN108827230 B CN 108827230B CN 201810373428 A CN201810373428 A CN 201810373428A CN 108827230 B CN108827230 B CN 108827230B
- Authority
- CN
- China
- Prior art keywords
- target
- forced centering
- height
- river
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000003643 water by type Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 230000002411 adverse Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an ultra-wide water area precise river-crossing leveling device and method, wherein the ultra-wide water area precise river-crossing leveling device comprises a plurality of groups of measuring devices arranged on two sides of a river, the measuring devices comprise coaxial target support frames and total stations, the coaxial target support frames comprise a top plate and a base, the top plate and the base are respectively provided with a first threaded hole and a second threaded hole which are opposite to each other, vernier trial rods can be arranged in the first threaded holes and the second threaded holes in a penetrating mode and used for measuring instrument heights and target heights, the top plate is provided with a target lamp and a prism group, and the total stations are detachably arranged on the base through locking components. The invention has the characteristics of synchronous direct opposite observation, direct measuring of instrument height and target height, obviously reduces adverse effects of atmospheric refraction, earth curvature, instrument height, high error of target height and the like in the triangular elevation measurement, and greatly improves precision and working efficiency.
Description
Technical Field
The invention relates to the field of river crossing leveling, in particular to an ultra-wide water area precise river crossing leveling device and method.
Background
Along with the construction of long bridges and sea-crossing bridges, precise river-crossing leveling in ultra-wide water areas with the height of 3500 meters or more is a main means for transferring the heights of two banks of the bridge. The current national one and two level measurement specifications have no regulation on river crossing level measurement of 3500 meters or more. The triangular elevation measurement is especially used for river crossing leveling in super wide water area over 3500 m, and has precision mainly affected by refraction of atmosphere and curvature of earth. However, in the traditional triangular elevation measurement, including measurement procedures specified in national first and second level measurement specifications, synchronous direct opposite observation is not realized, so that the atmospheric environment difference of sight crossing of round trip observation is large, and the influence of atmospheric refraction and earth curvature is difficult to be weakened to the greatest extent. In addition, the measuring error of instrument height and target elevation also directly influences the precision of the precise river-crossing triangular elevation measurement, and the traditional instrument height mainly adopts the inclined steel ruler measuring mode, the reduction instrument height mode or the indirect high-level mode by adopting the sight method and the like due to the high difficulty of directly measuring the instrument, so that larger high error is brought. The above reasons directly affect the accuracy of river crossing leveling measurement of the ultra-wide water area above 3500 meters by adopting a triangular elevation measurement method.
In view of this, there is an urgent need to improve the existing triangulation Gao Chengfa to obtain better measurement accuracy when performing river crossing leveling in ultra-wide water areas above 3500 meters.
Disclosure of Invention
The invention aims to solve the technical problem that the measurement accuracy is poor when river crossing leveling is carried out on an ultra-wide water area with the length of more than 3500 meters in the existing triangulation Gao Chengfa.
In order to solve the technical problems, the technical scheme adopted by the invention is to provide an ultra-wide water area precise river crossing leveling device, which comprises a plurality of groups of measuring devices arranged on two sides of a river, wherein the measuring devices comprise:
the coaxial target support frame comprises a top plate and a base, wherein a first threaded hole and a second threaded hole which are opposite to each other are respectively formed in the top plate and the base, a vernier slide rod can be arranged in the first threaded hole and the second threaded hole in a penetrating manner and used for measuring the height of an instrument and the height of a target, and a target lamp and a prism group are detachably arranged on the top plate through bolts;
the total station is detachably arranged on the base through the locking assembly.
In the above scheme, the coaxial target support frame is arranged on the forced centering pier, the forced centering pier is provided with an upward-protruding threaded boss, the top of the threaded boss is opposite to the second threaded hole, and the coaxial target support frame is screwed and fixed on the forced centering pier through the threaded boss.
In the above scheme, the base comprises an upper seat board and a lower seat board, wherein the upper seat board is provided with a spiral adjusting component, and the base is connected with the lower seat board through the spiral adjusting component.
In the above scheme, a tube level is arranged on the upper seat plate.
In the above scheme, the locking assembly comprises a plurality of locating holes arranged in the middle of the upper seat plate and a plurality of locking pieces arranged at the edge of the upper seat plate and uniformly distributed along the circumference of the upper seat plate.
In the above scheme, the screw adjusting assembly comprises a plurality of screw columns arranged on the upper seat plate along the upper seat plate Zhou Xiangxuan, and a knob is arranged at the top end of each screw column.
In the scheme, the top plate is fixedly connected with the upper seat plate through the supporting rods.
In the above scheme, the measuring devices are arranged in two groups, each group is two, and the forced centering piers of the two groups of measuring devices are respectively arranged on two sides of the river.
The invention also provides a precise river crossing leveling method for the ultra-wide water area, which comprises the following steps:
s1, arranging a forced centering pier A, B on one side of a river bank, arranging a forced centering pier C, D on the other side, and respectively installing four coaxial target support frames on the forced centering piers A, B, C, D;
adjusting a screw adjusting assembly on the upper seat plate, leveling the coaxial target support frame through a tube level, precisely measuring the plumb distance from the top of the coaxial target support frame to the top of the convex head on the forced centering pier by using a vernier gauge rod, and respectively calculating the total station height i and the target height v according to the known height of the coaxial target support frame, the height of the total station and the height of the target lamp;
s3, arranging total stations on the base of the coaxial target support frame on the forced centering pier A, C, then installing target lamps on the top of the coaxial target support frame, directly observing the same light section by the two total stations in opposite directions in the same time period, and measuring a vertical angle alpha AC And alpha CA ；
S4, the total station at the forced centering pier A is kept still, the total station at the forced centering pier C and the target lamp are moved to the forced centering pier D together, and the two total stations directly observe and measure the same light segment in opposite directions in the same time periodObtaining a vertical angle alpha AD And alpha DA ；
S5, keeping the total station at the forced centering pier D still, moving the total station at the forced centering pier A and the target lamp to the position B together, and synchronously observing 2 total stations in opposite directions to each other to measure a vertical angle alpha BD And alpha DB ；
S6, keeping the total station at the forced centering pier B still, moving the total station at the forced centering pier D and the target lamp to the forced centering pier C together, and synchronously observing the 2 total stations in opposite directions to each other to measure a vertical angle alpha BC And alpha CB Thus, the upper half echo observation at the vertical angle is completed;
s7, the positions of the 2 total stations respectively located on the two sides are exchanged, the coaxial target support frame and the target lamp are not moved, and the lower half-measuring back observation of the vertical angle is completed according to the steps;
s8, sequentially and respectively installing two total stations on A, B and C, D forced centering piers, correspondingly arranging two prism groups on the tops of coaxial target support frames on C, D and A, B forced centering piers, and measuring and calculating the flat distance D between the two forced centering piers;
s9, calculating the average value of the altitude difference between the forced centering piers at two sides according to the flat distance D between the forced centering piers, the vertical angle alpha from the corresponding total station to the target lamp, the corresponding instrument height i and the target height v, and taking the average value as the altitude difference measurement value
Alpha includes alpha AC And alpha CA I includes i A And i C V includes v A And v C ；
The elevation difference measured values between other forced centering piers on the two sides are calculated by comparison with the above method;
s10, carrying out reciprocating observation according to the requirement of the same-level leveling accuracy by adopting a leveling method, and measuring the heights of two forced centering piers A, B and C, D on the same shoreDifference h AB water H CD water . And then calculating the adjustment to obtain the elevation of each forced center-returning pier, and finishing river-crossing leveling measurement.
In the above scenario, in step S2, the instrument height i and target height v are calculated as follows:
i＝L instrument for measuring and controlling +(L-L Frame (B) )
v＝L Target for a target +L
Wherein L is the plumb distance from the top of the coaxial target support frame to the top of the raised head on the forced centering pier, L Frame (B) Is the plumb distance from the top surface of the top plate of the coaxial target support frame to the top surface of the upper seat plate of the base, L Instrument for measuring and controlling Is the height from the transverse axis center of the total station to the bottom of the total station, L Target for a target Is the distance from the center of the target lamp to the top surface of the coaxial target holder frame.
Compared with the prior art, the invention has the characteristics of synchronous direct opposite observation, direct measuring instrument height and target height, and obviously weakens three main errors of triangular elevation measurement, namely the influence of atmospheric refraction and earth curvature, instrument height and target height errors, and greatly improves the precision and the working efficiency when the triangular elevation measurement is adopted for river crossing leveling in ultra-wide water areas.
Drawings
FIG. 1 is a schematic illustration of the river crossing leveling principle of the present invention;
FIG. 2 is a schematic view of the frame structure of the coaxial target holder of the present invention;
FIG. 3 is a schematic diagram of a forced centering pier according to the present invention;
FIG. 4 is a schematic view of the mounting of the coaxial target holder frame of the present invention;
FIG. 5 is a high schematic diagram of the vernier rod.
FIG. 6 is a schematic diagram of total station installation;
FIG. 7 is a schematic view of vertical angle measurements taken after the total station and the target lamp and coaxial target holder frame are mounted together;
fig. 8 is a schematic view of distance measurement after the coaxial target holder frame and prism set are mounted together.
Detailed Description
The invention provides a precise river-crossing leveling device and method for an ultra-wide water area, which have the characteristics of synchronous direct opposite observation, direct measuring instrument height and target height, effectively weaken the influence of atmospheric refraction and earth curvature, remarkably reduce measurement errors and greatly improve the precision and working efficiency when the triangular elevation measurement method is adopted for river-crossing leveling for the ultra-wide water area.
As shown in fig. 1 to 8, the precise river-crossing leveling device for the ultra-wide water area comprises a plurality of groups of measuring devices arranged on two sides of a river, preferably two groups of measuring devices are arranged, each group of measuring devices is two, the two groups of measuring devices are respectively arranged on two sides of the river, and the detecting device comprises forced centering piers 5, as shown in fig. 1, the forced centering piers 5 on two sides of the river can be respectively forced centering piers A, B, C, D.
The measuring device includes: the coaxial target support frame 1 and the total station 3 are arranged on a forced centering pier, the forced centering pier comprises a top plate 6 and a base 7, the top plate 6 and the base 7 are fixedly connected through a supporting rod 8, and a cylindrical cavity is formed between the top plate 6 and the base 7. The top plate 6 and the base 7 are respectively provided with a first threaded hole and a second threaded hole which are opposite to each other, vernier trial rods 18 are arranged in the first threaded hole and the second threaded hole in a penetrating mode, and the top plate 6 is provided with a target lamp 2 and a prism group 4. The total station 3 is detachably arranged on the base 7 by a locking assembly. The base 7 comprises an upper seat board 10 and a lower seat board 11, and the locking assembly comprises a plurality of positioning holes 15 arranged in the middle of the upper seat board 10 and a plurality of locking pieces 13 which are arranged on the edge of the upper seat board 10 and uniformly distributed along the circumferential direction of the upper seat board 10. The positioning hole 15 is matched with a positioning claw 17 of the total station 3, and the total station 3 is fixed on the upper seat plate 10 through the positioning hole 15 and the locking piece 13.
The forced centering pier 5 is provided with an upward protruding threaded boss 16, and the top of the threaded boss 16 is opposite to the second threaded hole. The top of the screw boss 16 is in contact with the bottom of the vernier gauge 18 for causing the vernier gauge 18 to measure the plumb distance of the top surface of the top plate 6 from the upper surface of the forced centering pier 5.
The upper plate 10 and the lower plate 11 are connected by a screw adjusting assembly 12, the upper plate 10 is provided with a tube level 14. The screw adjusting assembly 12 comprises a plurality of screw columns which are arranged on the upper plate 10 along the periphery Xiang Xuan of the upper plate 10, and the top ends of the screw columns are provided with knobs. By rotating the knob to adjust the height of the upper plate 10 relative to the lower plate 11 at the threaded post, the air bubble in the tube level 14 can be centered, i.e., the upper plate 10 is level, by adjusting the plurality of screw adjustment assemblies 12.
Preferably, the target lamp 2 and the prism set 4 are detachably connected to the top plate 6 of the coaxial target holder frame 1 by means of bolts at the connection locations of their bottom ends.
The invention provides a precise river crossing leveling method for ultra-wide water areas, which has the characteristics of synchronous direct opposite observation, direct measuring instrument height and target height, effectively reduces the influence of atmospheric refraction and earth curvature, and remarkably reduces measurement errors, and comprises the following steps:
s1, arranging a forced centering pier A, B on one side of a river bank, arranging a forced centering pier C, D on the other side, and respectively installing four coaxial target support frames on the forced centering piers A, B, C, D;
s2, adjusting a spiral adjusting assembly on the upper seat plate, leveling the coaxial target support frame through a tube level, precisely measuring the plumb distance from the top of the coaxial target support frame to the top of the convex head on the forced centering pier by using a vernier gauge, and respectively calculating the total station height i and the target height v according to the known height of the coaxial target support frame, the height of the total station and the height of a target lamp;
s3, arranging total stations on the base of the coaxial target support frame on the forced centering pier A, C, then installing target lamps on the top of the coaxial target support frame, directly observing the same light section by the two total stations in opposite directions in the same time period, and measuring a vertical angle alpha AC And alpha CA ；
S4, the total station at the forced centering pier A is kept still, the total station at the forced centering pier C and the target lamp are moved to the forced centering pier D together, the two total stations directly observe the same light segment in opposite directions in the same time period, and a vertical angle alpha is measured AD And alpha DA ；
S5, the total station at the forced centering pier D is kept still, the total station at the forced centering pier A and the target lamp are moved to the position B together, and 2 total stations synchronously and mutually face to faceMeasuring vertical angle alpha BD And alpha DB ；
S6, keeping the total station at the forced centering pier B still, moving the total station at the forced centering pier D and the target lamp to the forced centering pier C together, and synchronously observing the 2 total stations in opposite directions to each other to measure a vertical angle alpha BC And alpha CB Thus, the upper half echo observation at the vertical angle is completed;
s7, the positions of the 2 total stations respectively located on the two sides are exchanged, the coaxial target support frame and the target lamp are not moved, and the lower half-measuring back observation of the vertical angle is completed according to the steps;
s8, sequentially and respectively installing two total stations on A, B and C, D forced centering piers, correspondingly arranging two prism groups on the tops of coaxial target support frames on C, D and A, B forced centering piers, and measuring and calculating the flat distance D between the two forced centering piers;
s9, calculating the average value of the altitude difference between the forced centering piers at two sides according to the flat distance D between the forced centering piers, the vertical angle alpha from the corresponding total station to the target lamp, the corresponding instrument height i and the target height v, and taking the average value as the altitude difference measurement value
Alpha includes alpha AC And alpha CA I includes i A And i C V includes v A And v C ；
The elevation difference measured values between other forced centering piers on the two sides are calculated by comparison with the above method;
s10, carrying out reciprocating observation according to the requirement of the same-level leveling accuracy by adopting a leveling method, and measuring the height difference h of the two forced centering piers A, B and C, D on the same shore AB water H CD water . And then calculating the adjustment to obtain the elevation of each forced center-returning pier, and finishing river-crossing leveling measurement.
In the above scenario, in step S2, the instrument height i and target height v are calculated as follows:
i＝L instrument for measuring and controlling +(L-L Frame (B) )
v＝L Target for a target +L
Wherein L is the plumb distance from the top of the coaxial target support frame to the top of the forced centering pier connecting bolt, L Frame (B) For the height of the coaxial target holder frame itself, i.e. the plumb distance from the top surface of the top plate of the coaxial target holder frame to the top surface of the upper base plate of its base, L Instrument for measuring and controlling Is the self height of the total station, namely the height from the transverse axis center of the total station to the bottom of the total station, L Target for a target The target lamp is self-elevating, i.e. the distance from the center of the target lamp to its lower end is equal to the distance from the center of the target lamp to the top surface of the top plate of the coaxial target holder frame after the mounting of the target lamp on the coaxial target holder frame is completed.
In the above step S9, the calculation formula of the height difference between the forced centering piers on both sides is as follows:
according to the principle of the opposite observation triangle elevation measurement, calculating an elevation difference measurement value between the forced centering piers A, C on two sides:
because the environment and the observation conditions for the visual line to pass through are very similar, the atmospheric refractive index k can be considered to be observed from A to C and from C to A AC And k CA Equal, A, C round-trip horizontal distance D between opposite observations AC And D CA Also equal, so there are:
the equation for the measurement of the elevation difference between the force-centered piers A, C on both sides of the river-crossing leveling calculation using the coaxial target holder frame device can be simplified as:
the elevation difference measurement values between other forced centering piers on the two sides are calculated according to the above formula.
Compared with the prior art, the method has the characteristics of synchronous direct opposite observation, direct measuring instrument height and target height, and three main errors of triangular elevation measurement are obviously weakened: the influence of atmospheric refraction and earth curvature, instrument height and target height errors greatly improve the accuracy and the working efficiency when the river crossing leveling is carried out on an ultra-wide water area by adopting triangular elevation measurement.
The present invention is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present invention can fall within the scope of the present invention if the present invention has the same or similar technical solutions.
Claims (9)
1. The utility model provides a super wide waters precision river level-measuring device that strides, includes the multiunit measuring device who sets up in the river both sides, its characterized in that, measuring device includes:
the coaxial target support frame comprises a top plate and a base, wherein a first threaded hole and a second threaded hole which are opposite to each other are respectively formed in the top plate and the base, a vernier slide rod can be arranged in the first threaded hole and the second threaded hole in a penetrating manner and used for measuring the height of an instrument and the height of a target, and a target lamp and a prism group are detachably arranged on the top plate through bolts;
the total station is detachably arranged on the base through the locking assembly.
2. The ultra-wide water area precise river-crossing leveling device according to claim 1, wherein the coaxial target support frame is arranged on a forced centering pier, an upward-protruding threaded protruding head is arranged on the forced centering pier, the top of the threaded protruding head is opposite to the second threaded hole, and the coaxial target support frame is screwed and fixed on the forced centering pier through the threaded protruding head.
3. The ultra-wide water area precise river-crossing leveling device according to claim 1, wherein the base comprises an upper base plate and a lower base plate, and a spiral adjusting assembly is arranged on the upper base plate and is connected with the lower base plate through the spiral adjusting assembly.
4. A precise river-crossing leveling device for ultra-wide water areas according to claim 3, wherein the upper base plate is provided with a tube level.
5. The ultra-wide water area precise river-crossing leveling device according to claim 3, wherein the locking assembly comprises a plurality of positioning holes arranged in the middle of the upper seat plate and a plurality of locking pieces arranged on the edge of the upper seat plate and uniformly distributed along the circumference of the upper seat plate.
6. A precision river-crossing leveling device for ultra-wide water areas as defined in claim 3 wherein said screw adjustment assembly comprises a plurality of threaded posts disposed on said upper base plate along said upper base plate Zhou Xiangxuan, said threaded posts having knobs at the top ends thereof.
7. A precision river crossing leveling device in ultra-wide water area according to claim 3, wherein the top plate is fixedly connected with the upper seat plate through a support rod.
8. The ultra-wide water area precise river-crossing leveling device according to claim 2, wherein the number of the measuring devices is two, each set is two, and the forced centering piers of the two sets of the measuring devices are respectively arranged on two sides of a river.
9. The ultra-wide water area precise river crossing leveling method is characterized by comprising the following steps of:
s1, arranging a forced centering pier A, B on one side of a river bank, arranging a forced centering pier C, D on the other side, and respectively installing four coaxial target support frames on the forced centering piers A, B, C, D;
s2, adjusting a spiral adjusting assembly on the upper seat plate, leveling the coaxial target support frame through a tube level, precisely measuring the plumb distance from the top of the coaxial target support frame to the top of the convex head on the forced centering pier by using a vernier gauge, and respectively calculating the total station height i and the target height v according to the known height of the coaxial target support frame, the height of the total station and the height of a target lamp;
s3, arranging total stations on the base of the coaxial target support frame on the forced centering pier A, C, then installing target lamps on the top of the coaxial target support frame, directly observing the same light section by the two total stations in opposite directions in the same time period, and measuring a vertical angle alpha AC And alpha CA ；
S4, the total station at the forced centering pier A is kept still, the total station at the forced centering pier C and the target lamp are moved to the forced centering pier D together, the two total stations directly observe the same light segment in opposite directions in the same time period, and a vertical angle alpha is measured AD And alpha DA ；
S5, keeping the total station at the forced centering pier D still, moving the total station at the forced centering pier A and the target lamp to the position B together, and synchronously observing 2 total stations in opposite directions to each other to measure a vertical angle alpha BD And alpha DB ；
S6, keeping the total station at the forced centering pier B still, moving the total station at the forced centering pier D and the target lamp to the forced centering pier C together, and synchronously observing the 2 total stations in opposite directions to each other to measure a vertical angle alpha BC And alpha CB Thus, the upper half echo observation at the vertical angle is completed;
s7, the positions of the 2 total stations respectively located on the two sides are exchanged, the coaxial target support frame and the target lamp are not moved, and the lower half-measuring back observation of the vertical angle is completed according to the steps;
s8, sequentially and respectively installing two total stations on A, B and C, D forced centering piers, correspondingly arranging two prism groups on the tops of coaxial target support frames on C, D and A, B forced centering piers, and measuring and calculating the flat distance D between the two forced centering piers;
s9, calculating the height measurement between the forced centering piers on two sides according to the flat distance D between the forced centering piers, the vertical angle alpha from the corresponding total station to the target lamp, and the corresponding instrument height i and target height vAverage of differences as elevation difference measurement
Alpha includes alpha AC And alpha CA I includes i A And i C V includes v A And v C ；
The elevation difference measured values between other forced centering piers on the two sides are calculated by comparison with the above method;
s10, carrying out reciprocating observation according to the requirement of the same-level leveling accuracy by adopting a leveling method, and measuring the height difference h of the two forced centering piers A, B and C, D on the same shore AB water H CD water . And then calculating the adjustment to obtain the elevation of each forced center-returning pier, and finishing river-crossing leveling measurement.
In the above scenario, in step S2, the instrument height i and target height v are calculated as follows:
i＝L instrument for measuring and controlling +(L-L Frame (B) )
v＝L Target for a target +L
Wherein L is the plumb distance from the top of the coaxial target support frame to the top of the raised head on the forced centering pier, L Frame (B) Is the plumb distance from the top surface of the top plate of the coaxial target support frame to the top surface of the upper seat plate of the base, L Instrument for measuring and controlling Is the height from the transverse axis center of the total station to the bottom of the total station, L Target for a target Is the distance from the center of the target lamp to the top surface of the coaxial target holder frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373428.9A CN108827230B (en) | 2018-04-24 | 2018-04-24 | Ultra-wide water area precise river crossing leveling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373428.9A CN108827230B (en) | 2018-04-24 | 2018-04-24 | Ultra-wide water area precise river crossing leveling device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108827230A CN108827230A (en) | 2018-11-16 |
| CN108827230B true CN108827230B (en) | 2023-10-20 |
Family
ID=64154695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373428.9A Active CN108827230B (en) | 2018-04-24 | 2018-04-24 | Ultra-wide water area precise river crossing leveling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108827230B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297463B (en) * | 2018-11-20 | 2021-05-04 | 中铁大桥勘测设计院集团有限公司 | River-crossing leveling method |
| CN110186426B (en) * | 2019-07-01 | 2021-08-31 | 中铁大桥局集团第二工程有限公司 | Remote triangular elevation river-crossing leveling method |
| CN111750826B (en) * | 2020-06-29 | 2022-07-26 | 华设设计集团股份有限公司 | Dynamic second-class river-crossing water level field operation data acquisition and processing method and system |
| CN113551643B (en) * | 2021-07-29 | 2022-09-09 | 中冀建勘集团有限公司 | River-crossing leveling method and system |
| CN113532403B (en) * | 2021-07-29 | 2023-01-10 | 中交第一航务工程局有限公司 | Tunnel long-side wire penetration measuring method |
| CN114964145A (en) * | 2022-04-15 | 2022-08-30 | 浙江省测绘科学技术研究院 | Ultra-long distance precision cross-sea elevation transmission device and measurement system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140164A (en) * | 2007-09-10 | 2008-03-12 | 唐发志 | All-station instrument accurate measurement height method |
| JP2011149720A (en) * | 2010-01-19 | 2011-08-04 | Topcon Corp | Surveying system |
| CN102269585A (en) * | 2011-04-29 | 2011-12-07 | 西南交通大学 | Method for precisely measuring survey beacon height |
| CN102322851A (en) * | 2011-09-14 | 2012-01-18 | 中铁四局集团第一工程有限公司 | Method for measuring second-grade river-crossing leveling height difference by using intelligent total station |
| KR101202833B1 (en) * | 2012-06-15 | 2012-11-21 | 신명유아이주식회사 | Total station of numerical map measuring ground feature with sea-level |
| CN208187391U (en) * | 2018-04-24 | 2018-12-04 | 中铁大桥局集团有限公司 | A kind of ultra-wide waters Precision River-Crossing Leveling device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8539685B2 (en) * | 2011-01-20 | 2013-09-24 | Trimble Navigation Limited | Integrated surveying and leveling |
| EP3264034B1 (en) * | 2016-06-30 | 2020-02-26 | Leica Geosystems AG | Measuring device with height measurement system and method for measuring a height |
-
2018
- 2018-04-24 CN CN201810373428.9A patent/CN108827230B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140164A (en) * | 2007-09-10 | 2008-03-12 | 唐发志 | All-station instrument accurate measurement height method |
| JP2011149720A (en) * | 2010-01-19 | 2011-08-04 | Topcon Corp | Surveying system |
| CN102269585A (en) * | 2011-04-29 | 2011-12-07 | 西南交通大学 | Method for precisely measuring survey beacon height |
| CN102322851A (en) * | 2011-09-14 | 2012-01-18 | 中铁四局集团第一工程有限公司 | Method for measuring second-grade river-crossing leveling height difference by using intelligent total station |
| KR101202833B1 (en) * | 2012-06-15 | 2012-11-21 | 신명유아이주식회사 | Total station of numerical map measuring ground feature with sea-level |
| CN208187391U (en) * | 2018-04-24 | 2018-12-04 | 中铁大桥局集团有限公司 | A kind of ultra-wide waters Precision River-Crossing Leveling device |
Non-Patent Citations (2)
| Title |
|---|
| 范百兴.站仪实施跨河水准测量及其精度分析.《测绘工程》.2004,第第13卷卷(第第1期期),41-43. * |
| 雷建生.利用高精度全站仪实现跨河水准测量的可靠性分析.《现代测绘》.2011,第第34卷卷(第第2期期),47-48. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108827230A (en) | 2018-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108827230B (en) | Ultra-wide water area precise river crossing leveling device and method | |
| CN204405068U (en) | Total station prism | |
| CN108680103B (en) | Rapid and precise positioning measurement method for cable-stayed bridge ultrahigh bridge tower pier anchoring structure | |
| CN109631839A (en) | A method of bridge pier settlement observation in water is carried out using total station | |
| CN107268446B (en) | Cable-stayed bridge tower beam synchronous construction measuring device and measuring method thereof | |
| CN104567641A (en) | Middle and small span bridge deflection measuring device | |
| CN208366268U (en) | A kind of middle-small span beam deflection dynamic measurement device | |
| CN201163188Y (en) | Vertical measuring point marking frame | |
| CN208187391U (en) | A kind of ultra-wide waters Precision River-Crossing Leveling device | |
| CN114046770A (en) | Marine settlement observation and measurement method | |
| CN113737664B (en) | Method and device for monitoring construction of swivel beam of large-section wide span rigid frame bridge | |
| CN108981661A (en) | The measuring device and measuring method of spheric and atmospheric aberration are eliminated in trigonometric levelling | |
| CN115388870A (en) | Total station prism-free measuring column verticality method | |
| CN206514857U (en) | A kind of total powerstation with instrument height real―time precision measurment function | |
| CN206540548U (en) | The total powerstation of function is measured with instrument high precision | |
| CN210108333U (en) | Vault settlement measuring device based on precise laser range finder | |
| CN210533641U (en) | Bridge deflection measuring device | |
| CN108532984B (en) | High-precision mounting method for supporting jig frame | |
| CN208818450U (en) | A kind of deflection measuring apparatus for bridge monitoring | |
| CN113237462A (en) | Special measuring instrument and measuring method for line foundation acceptance and root opening and leg reduction | |
| CN217953468U (en) | Special device for monitoring settlement of pier in high-speed railway bridge water | |
| CN202836555U (en) | Tower ruler | |
| CN201059979Y (en) | Precision centering trivets | |
| CN220543193U (en) | Prism mounting device for multi-method compound monitoring | |
| CN219675080U (en) | Be used for total powerstation altitude measurement's accurate height measurement pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |