CN116481505A - Prism and Beidou double-positioning observation pier - Google Patents
Prism and Beidou double-positioning observation pier Download PDFInfo
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- CN116481505A CN116481505A CN202310458699.5A CN202310458699A CN116481505A CN 116481505 A CN116481505 A CN 116481505A CN 202310458699 A CN202310458699 A CN 202310458699A CN 116481505 A CN116481505 A CN 116481505A
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- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000009977 dual effect Effects 0.000 claims 4
- 230000003287 optical effect Effects 0.000 abstract description 18
- 238000010276 construction Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000003466 welding Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
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- 230000006378 damage Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
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- 230000004048 modification Effects 0.000 description 2
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- 229910001220 stainless steel Inorganic materials 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Abstract
The prism and Beidou double-positioning observation pier comprises a centering device assembly, a pier body, a foundation, a leveling mark and a power supply communication threading pipe; the centering device assembly comprises an upper centering disc, a connecting rod, a lower centering disc and a fixed foot bolt, and the pier body comprises a circular pipe and a concrete cylinder; the pier body and the leveling mark are arranged on the foundation, the foundation is embedded in the ground, and the power supply communication threading pipe is arranged in the pier body and the foundation; the centering device component is arranged at the upper end of the pier body. The middle parts of the upper centering disc and the lower centering disc of the centering device assembly are respectively provided with a centering screw hole for fixing the observation prism and the Beidou antenna. The invention has simple structure, is convenient for construction and installation, can simultaneously perform optical prism positioning and Beidou satellite positioning, and improves the accuracy and reliability of deformation observation.
Description
Technical Field
The invention relates to the technical field of safety monitoring of water conservancy and hydropower engineering, in particular to a prism and Beidou double-positioning observation pier.
Background
The observation pier is a common observation facility in the safety monitoring of the hydraulic and hydroelectric engineering and is mainly used for placing and fixing a measuring instrument or an observation target. The optical prism is one of the most commonly used observation targets and is mainly used for being matched with a total station for manual observation. The manual observation method is visual and reliable, has low observation cost, but is time-consuming and labor-consuming and has poor timeliness.
Along with the rapid development and the trend of maturity of satellite positioning technology in China, the application of Beidou systems in the field of engineering monitoring is gradually promoted, and more projects adopt optical prism positioning and Beidou satellite positioning to simultaneously carry out manual observation and automatic observation. It is common practice at present to additionally arrange a satellite positioning antenna rod near the optical prism observation pier, or to install the satellite positioning antenna rod on the basis of the optical prism observation pier, and to position the prism and the antenna by using a total station and satellite signals respectively.
Because the prism observation piers and the satellite positioning antenna rods are arranged separately, the positions and the coordinates of the prism observation piers and the satellite positioning antenna rods are different, comparison and verification of two observation results are inconvenient, the workload of respectively constructing the observation piers and installing the antenna rods is large, and the construction and installation cost is high. In addition, the current common observation pier is mainly a square pier body, the formwork is erected firstly and then concrete is poured during construction, and when the concrete reaches a certain strength, the formwork is removed, the construction period is longer, and the observation time is easy to delay.
Disclosure of Invention
In view of the above, the present invention aims to provide a dual-positioning observation pier capable of simultaneously performing optical prism positioning and Beidou satellite positioning.
The present application aims to solve one of the problems in the background art.
The technical scheme adopted by the invention is as follows: in order to achieve the above and other related objects, the invention provides a prism and Beidou double-positioning observation pier, which comprises a centering device assembly, a pier body, a foundation, a leveling mark and a power supply communication threading pipe;
the centering device assembly comprises an upper centering disc, a connecting rod, a lower centering disc and a fixed foot bolt, and the pier body comprises a circular pipe and a concrete cylinder;
the pier body and the leveling mark are arranged on the foundation, the foundation is embedded in the ground, and the power supply communication threading pipe is arranged in the pier body and the foundation;
the centering device component is arranged at the upper end of the pier body.
The application provides a technical scheme still has following technical feature:
preferably, the upper centering disc and the lower centering disc of the centering device assembly are triangular, the connecting rods are respectively connected at three corner points of the upper centering disc and the lower centering disc, and the connecting rods are rigidly connected with the upper centering disc and the lower centering disc.
Preferably, the plane size of the upper middle plate is smaller than that of the lower middle plate, and the upper middle plate, the lower middle plate and the connecting rod form a triangular frustum structure.
Preferably, the triangular parts of the upper centering disc and the lower centering disc are provided with smooth chamfers or chamfer angles, tips or burrs are removed, and smooth treatment is carried out, so that injuries and damages to personnel, equipment or materials can be avoided.
Preferably, the centering screw holes of the upper centering disc and the lower centering disc are positioned on the same plumb line, so that the prism and the antenna are aligned in the vertical direction;
preferably, the bottom surface of the lower middle plate is provided with a fixed foot bolt, and the centering device assembly is arranged on the top surface of the pier body through the fixed foot bolt of the bottom surface of the lower middle plate.
Preferably, the circular pipe of the pier body is placed on the top surface of the foundation when the foundation concrete is poured, and the concrete cylinder of the pier body is positioned in the circular pipe and is obtained by pouring the concrete in the circular pipe;
in the concrete structure of the present application, the benefits of using a cylindrically shaped member are as follows:
the pressure resistance is strong: cylindrical shaped members have a good resistance to longitudinal compressive forces because of their uniform surface area distribution and because they distribute compressive forces over the surface of the entire member, thereby making the entire member more load-bearing;
the shock resistance is good: the cylindrical members have good resistance to external forces such as earthquake and wind force, and the shapes of the cylindrical members can provide certain flexibility, so that certain displacement can be generated under the action of the external force without damage;
the construction is convenient: cylindrical shaped components are easier to manufacture and process in construction because their shape is relatively simple and can be manufactured using standard templates and tools;
meanwhile, the round pipe is arranged outside the concrete cylinder, so that the following advantages are achieved:
enhancing the bending strength: the round pipes can increase the bending strength of the concrete cylinder, because they can transfer external force to the bottom of the cylinder, thereby improving the bearing capacity of the whole cylinder;
reinforcing connectivity: the circular pipes can enhance the connectivity between the concrete cylinder and other components, as they can provide a certain adhesion, thereby making the connection more firm;
pipeline is convenient to arrange: pipelines can be placed in the round pipe, so that facilities such as pipelines and cables can be conveniently arranged in the concrete cylinder, and occupied space and influence of external pipelines are reduced.
Preferably, the foundation is cast-in-place concrete, the plane is square, the bottom surface of the foundation is firmly combined with a dam body or a slope, and the top surface is leveled with the dam surface or the ground; the foundation is cast-in-place concrete, and has the advantages of strong flexibility, short construction period, strong adaptability and low construction cost.
Preferably, the leveling marks are fixed on the top surface of the foundation for leveling when pouring the foundation concrete.
Preferably, the power supply communication threading pipe is buried in the pier body and the foundation when pouring pier body and foundation concrete and is used for communication and power supply of the Beidou antenna.
Preferably, the number of the connecting rods is 3.
The invention has the following beneficial effects:
the centering device has the advantages that the structure is simple, the processing and the installation are convenient, the optical prism positioning and the Beidou satellite positioning can be simultaneously carried out, the coordinates of the optical prism positioning and the Beidou satellite positioning are the same, the displacement is consistent, and the comparison and the verification of two observation results are convenient; the accuracy and the reliability of deformation observation can be further improved by mutually matching manual observation and automatic observation and complementing advantages; according to the invention, the pier body of the observation pier is formed by filling concrete in the round pipe, so that the procedures of erecting and disassembling the square pier body are omitted, the construction progress can be accelerated, the observation work can be carried out as early as possible, and the construction cost is saved.
Drawings
FIG. 1 is a cross-sectional view of a prism and Beidou dual-positioning observation pier of the present invention;
FIG. 2 is a cross-sectional view A-A of the prism and Beidou dual-positioning observation pier of the present invention;
FIG. 3 is a schematic view of the centering device assembly of the prism and Beidou dual-positioning observation pier of the present invention;
FIG. 4 is a three-dimensional representation of the assembly of the prism and Beidou dual-positioning observation pier of the present invention;
FIG. 5 is a cross-sectional view B-B of the prism and Beidou dual-positioning observation pier of the present invention;
FIG. 6 is a cross-sectional view C-C of the prism and Beidou dual-positioning observation pier of the present invention;
in the figure:
100. centering device assembly
101. Upper centering disc
102. Connecting rod
103. Lower centering disc
104. Fixed foot bolt
200. Pier body
201. Round pipe
202. Concrete cylinder
300. Foundation
400. Level mark
500. Power supply communication threading pipe
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
1-6, a prism and Beidou double-positioning observation pier comprises a centering device assembly 100, a pier body 200, a foundation 300, a leveling mark 400 and a power supply communication threading pipe 500;
the centering device assembly 100 comprises an upper centering disc 101, a connecting rod 102, a lower centering disc 103 and a fixed foot bolt 104, and the pier body 200 comprises a circular pipe 201 and a concrete cylinder 202;
the pier body 200 and the leveling mark 400 are arranged on the foundation 300, the foundation 300 is embedded in the ground, and the power supply communication threading pipe 500 is arranged in the pier body 200 and the foundation 300;
the centering device assembly 100 is provided at the upper end of the pier body 200.
Beidou antenna positioning and prism optical positioning distinction and principle:
the Beidou antenna positioning is a positioning mode based on a satellite positioning technology; the Beidou antenna is provided with a satellite signal receiver, and the position of the Beidou antenna is determined by receiving satellite signals, so that positioning is realized; the Beidou antenna positioning has the advantages that high-precision positioning can be realized outdoors and in open areas, and the Beidou antenna positioning has the defect of lower positioning precision in signal shielding areas such as indoor or high-rise buildings and the like;
the prism optical positioning is a positioning mode based on an optical principle, and positioning is realized by refracting or reflecting light rays; the prism optical positioning has the advantages that higher positioning precision can be realized indoors and outdoors, and the prism is required to be installed on a measured object, so that the manufacturing cost is increased;
errors of Beidou antenna positioning and prism optical positioning are mainly affected by the following factors:
the Beidou antenna positioning error is affected by the following factors:
satellite signal strength and quantity: the Beidou antenna needs to receive signals of a plurality of satellites, and if the signal strength is insufficient or the number of satellites is insufficient, positioning errors are increased;
weather conditions: severe weather conditions (such as thunderstorms, haze, etc.) can affect the propagation of satellite signals, thereby affecting positioning accuracy;
accuracy of the receiver: the precision of the Beidou antenna is also limited by the precision of the receiver, and the positioning error is increased due to the low-precision receiver;
the prism optical positioning error is affected by the following factors:
precision of prism manufacture: the manufacturing accuracy of the prism can affect the positioning accuracy, and if the manufacturing accuracy is not high enough, the positioning error can be increased;
refraction and reflection of light: refraction and reflection of light rays in the prism can also affect positioning accuracy, and if the light rays are inaccurate, positioning errors can be increased;
environmental factors: the optical positioning of the prism is also affected by environmental factors, such as the intensity, direction and the like of light rays, which can affect the positioning precision; in general, the precision of the Beidou antenna positioning and the prism optical positioning are influenced by various factors, and specific error comparison needs to be evaluated according to specific application scenes and parameters; in general, the error of the Beidou antenna positioning can reach 2-3 mm by establishing a positioning reference station, and the error of the prism optical positioning can reach the sub-mm level.
Specifically, the upper centering disc 101 and the lower centering disc 103 of the centering device assembly 100 are triangular, the connecting rods 102 are respectively connected at three corner points of the upper centering disc 101 and the lower centering disc 103, and the connecting rods 102 are rigidly connected with the upper centering disc 101 and the lower centering disc 103.
Specifically, the area of the upper centering disc 101 is smaller than that of the lower centering disc 103, and the upper centering disc 101, the lower centering disc 103 and the connecting rod 102 form a triangular frustum structure; the triangular frustum structure has the following advantages:
the strength is high: the triangular frustum structure is composed of a plurality of triangles, and has extremely high strength and rigidity, can effectively bear various loads, and ensures the safety and stability of the structure;
the stability is good: the triangular element of the triangular frustum structure has the characteristics of good stability and small deformation, can effectively resist the influence of external load, and ensures the stability of the structure;
the construction is convenient: the components of the triangular frustum structure are usually customized and can be manufactured by a modern manufacturing process, so that the construction process is simple, quick and convenient;
the weight is light: the triangular frustum structure has relatively small structure volume and relatively light weight, so that the load of the structure on the foundation can be reduced, the weight of the structure can be reduced, and the material and the cost are saved.
Specifically, the triangular arrangement of the upper and lower centering discs 101, 103 provides smooth chamfers or chamfers to avoid sharp tips.
Specifically, the centering screw holes of the upper centering plate 101 and the lower centering plate 103 are located on the same vertical line.
Specifically, the bottom surface of the lower centering plate 103 is provided with a fixing peg 104, and the centering device assembly 100 is mounted on the top surface of the pier body 200 through the fixing peg 104 on the bottom surface of the lower centering plate 103.
Specifically, the circular pipe 201 of the pier body 200 is placed on the top surface of the foundation 300 when the concrete of the foundation 300 is poured, and the concrete cylinder 202 of the pier body 200 is located in the circular pipe 201 and is obtained by pouring the concrete in the circular pipe 201.
Specifically, the foundation 300 is cast-in-place concrete, the plane is square, the bottom surface of the foundation is firmly combined with a dam body or a slope, and the top surface of the foundation is leveled with the dam surface or the ground; the top surface is level with the dam surface or the ground, that is, the top surface of the foundation 300 is kept substantially level with the dam surface or the ground, and no obvious height fluctuation occurs.
Specifically, the leveling mark 400 is fixed on the top surface of the foundation 300 for leveling when the concrete of the foundation 300 is poured;
specifically, the power supply communication threading pipe 500 is buried in the pier body 200 and the foundation 300 when concrete of the pier body 200 and the foundation 300 is poured, and is used for communication and power supply of the Beidou antenna; has the following characteristics:
protection pipeline: pouring the conduit 500 into the pier body can protect the conduit 500 from external factors such as wind and rain, sunlight, mechanical impact, etc., thereby prolonging the service life of the conduit 500;
attractive and practical: the threading pipe 500 is poured in the pier body, so that the appearance of the building can be kept neat and attractive, meanwhile, the channel function of the threading pipe 500 is not affected, and the threading pipe 500 is more practical;
safety and reliability: the threading pipe 500 is poured into the pier body, so that the threading pipe 500 is not easily damaged by people, the safety and reliability of the threading pipe 500 are improved, and the normal operation of facilities such as electric power, communication and the like is ensured;
space is saved: the threading pipe 500 is poured in the pier body, so that precious space resources can be saved, the design of a building is more reasonable, the space is saved, and the novel pier is more suitable for being used in a narrow environment.
Specifically, the number of the connecting rods 102 is 3, which is favorable for forming a triangle structure, and the number of the connecting rods 102 is 3, which can form a stable triangle structure through mutual connection, and the connecting rod has the following characteristics:
the structural stability is improved: the triangle is a stable structure, and connecting the connecting rod 102 into the triangle can improve the stability of the structure, so that the structure is firmer;
increasing load bearing capacity: the triangular structure has good load bearing capacity, and connecting the connecting rods 102 into a triangle can increase the load bearing capacity of the structure, so that the structure can bear larger load;
optimizing the transmission of force: connecting the connecting rods 102 in a triangle can optimize force transmission, so that the forces in the structure can be more uniformly distributed to each connecting point, thereby reducing local stress and prolonging the service life of the structure;
improving the design aesthetic feeling: the triangle is a simple and attractive shape, and the connecting rod 102 is connected into the triangle, so that the design aesthetic feeling of the structure can be improved, and the structure is more graceful and elegant;
the cost is reduced: connecting the connecting rods 102 into a triangle can reduce the use amount of materials, thereby reducing the cost and saving the resources;
the connecting rod 102 is connected into a triangle in this embodiment, which can improve the stability, load bearing capacity and force transmission efficiency of the structure, and can improve the design aesthetic feeling of the structure, reduce the cost, and have various advantages.
Specifically, the centering device assembly 100, the pier body 200, the foundation 300, the leveling mark 400 and the communication power supply threading pipe 500; the centering device assembly 100 includes an upper centering disc 101, a connecting rod 102, a lower centering disc 103; pier body 200 comprises circular tubing 201 and concrete cylinder 202; pier body 200 and leveling mark 400 are fixed on foundation 300, communication power supply threading pipe 500 is buried in concrete of pier body 200 and foundation 300, and centering device assembly 100 is installed on the top surface of pier body 200; the middle parts of the upper centering disc 101 and the lower centering disc 103 of the centering device assembly 100 are respectively provided with a centering screw hole for fixing an observation prism and a Beidou antenna;
the centering screw hole belongs to a positioning and mounting dual-purpose screw hole, and the positioning characteristics and the advantages of using the centering screw hole for positioning and mounting are explained as follows:
positioning characteristics: the centering screw hole has the characteristic of accurate positioning, and the positioning column in the positioning hole can be accurately positioned, so that the positioning precision and accuracy of the part are ensured;
the installation advantages are as follows: the design of the centering screw hole can enable the centering screw hole to play a role of fixing parts in the installation process, so that the installation reliability and stability are improved, and errors and deformation in the assembly process are reduced;
the use advantages are that: compared with other positioning tools, the centering screw hole is more convenient and flexible to use, and because the centering screw hole is simple in structure and easy to process, the centering screw hole is easy to process, and the production efficiency is improved;
the cost is saved: the use of the centering screw hole can reduce other positioning and mounting tools and reduce production and mounting cost.
In fig. 1, reference numeral DM represents the ground; in fig. 3, reference numeral BD denotes a beidou antenna, and reference numeral LJ denotes a prism.
As shown in fig. 2 to fig. 4, the upper centering disc 101 and the lower centering disc 103 of the centering device assembly 100 are triangular, 3 connecting rods 102 are respectively connected at three angular points of the upper centering disc 101 and the lower centering disc 103, and the connecting rods 102 are rigidly connected with the upper centering disc 101 and the lower centering disc 103, such as welding;
welding is a process in which metallic or non-metallic materials are heated, melted and joined together; has the following characteristics:
firm in connection: the welding can firmly connect metal or nonmetal materials together, the strength of the welding part is high, and the welding part can bear larger force and pressure;
high efficiency and energy saving: the welding operation is simple and convenient, the processing efficiency is high, the connection can be completed by only a small amount of heat energy and materials, and compared with other connection methods such as threaded connection, riveting and the like, the welding device is more energy-saving;
the reliability is good: the welded joint is of an integrated structure, has no hidden danger of loosening and falling, and has higher reliability and durability;
the joint forms are various: the welded joint has various forms, such as butt welding, fillet welding, angle welding, lap welding, locking welding and the like, and can meet various connection requirements;
the structure is welded, and has the advantages of firm connection, high efficiency, energy conservation and good reliability.
As shown in fig. 3 to 4, the upper centering disc 101 is smaller than the lower centering disc 103 in plan size, and the upper centering disc 101, the lower centering disc 103 and the connecting rod form a triangular frustum structure; the triangular tips of the upper centering disc 101 and the lower centering disc 103 are properly cut and polished to be smooth so as to avoid injuring personnel or articles during processing, transportation and installation;
the upper centering disc 101 and the lower centering disc 103 are used for positioning, and since they have triangular points, if not treated, they are liable to be stabbed or damaged by personnel or objects during processing, transportation and installation, and therefore require appropriate cutting and polishing treatments, which have the following advantages:
the safety is improved: after the upper centering disc 101 and the lower centering disc 103 are subjected to proper cutting and polishing treatment, the tips of the upper centering disc and the lower centering disc become passivated, so that stabs or other potential safety hazards to personnel or articles in the processing, transporting and installing processes are avoided, and the use safety is improved;
the production cost is reduced: after proper processing treatment, the processing and production efficiency of the upper centering disc 101 and the lower centering disc 103 are improved, meanwhile, the problems of production stagnation, article loss and the like caused by potential safety hazards can be avoided, and the production cost is reduced;
the product quality is improved: by processing the upper centering disc 101 and the lower centering disc 103, errors and deviations caused by uneven or uneven tips can be eliminated, so that the product quality is improved, and the production efficiency is improved;
service life is prolonged: after proper processing treatment, the surfaces of the tips of the centering disc 101 and the lower centering disc 103 are smooth, so that the damage can be avoided, the service life can be prolonged, and the replacement cost can be reduced;
in a word, the upper centering disc 101 and the lower centering disc 103 are subjected to appropriate cutting and polishing treatment, so that the safety of the upper centering disc and the lower centering disc can be improved, the production cost is reduced, and the product quality and the service life are improved.
As shown in fig. 3 to 4, the centering screw holes of the upper centering plate 101 and the lower centering plate 103 are located on the same vertical line and have the same plane coordinates.
As shown in fig. 3, the bottom surface of the lower centering plate 103 is provided with a fixing peg 104, and the centering device assembly 100 is mounted on the top surface of the pier body 200 through the fixing peg 104 of the bottom surface of the lower centering plate 103.
As shown in fig. 1, the circular pipe 201 of the pier body 200 is placed on the top surface of the foundation 300 when the concrete of the foundation 300 is poured, and the concrete cylinder 202 of the pier body 200 is obtained by pouring concrete into the circular pipe 201.
As shown in fig. 2, the foundation 300 is cast-in-place concrete, the plane is square, the bottom surface of the foundation is firmly combined with the dam body or the slope, and the top surface of the foundation is leveled with the dam surface or the ground.
As shown in fig. 1, the leveling marks 400 are fixed to the top surface of the foundation 300 for leveling when concrete is poured into the foundation 300.
As shown in fig. 1, the communication power supply line pipe 500 is buried in the pier body 200 and the foundation 300 for communication and power supply of the beidou antenna when concrete is poured in the pier body 200 and the foundation 300.
The specific implementation steps are as follows:
step 1, machining and manufacturing a centering device assembly 100; the upper centering disc 101 and the lower centering disc 103 of the centering device assembly 100 are cut out of stainless steel plates and machined by a lathe; the connecting rod 102 is cut from a stainless steel solid rod; the upper centering disc 101 and the lower centering disc 103 are welded into a whole through the connecting rod 102, and the upper centering disc 101 and the lower centering disc 103 are kept horizontal and the centering screw holes of the upper centering disc and the lower centering disc 103 are positioned on the same plumb line during welding;
step 2, preparing the round pipe 201, the level mark 400, the communication power supply threading pipe 500, concrete and other components and materials; the circular pipe 201 and the communication power supply threading pipe 500 can be obtained by cutting off a PVC drain pipe, and the level mark 400 can be obtained by processing or purchasing steel bars;
step 3, pouring a concrete foundation 300; firstly, excavating a foundation pit on a dam face or a side slope of a planned observation position, wherein the plane of the foundation pit is square, and the depth is proper to ensure the stability of an observation pier; filling concrete into the foundation pit to the height of the dam surface or the ground, and embedding the communication power supply threading pipe 500 into the concrete of the foundation 300 in the filling process; placing the circular pipe 201 and the leveling mark 400 on the concrete of the foundation 300, tamping the concrete of the foundation 300, setting the top surface of the foundation trowelling;
step 4, pouring a concrete pier body 200 and placing a centering device assembly 100; after the concrete of the foundation 300 is solidified to a certain strength, continuing to fill the concrete into the circular pipe 201 to the top; tamping the concrete of the pier body 200, trowelling the top surface and placing the centering device assembly 100; when the centering device assembly 100 is placed, the upper centering disc and the lower centering disc are required to be kept horizontal, and the centering screw holes of the upper centering disc and the lower centering disc are positioned on the same plumb line;
after the concrete of the observation pier foundation 300 and the pier body 200 is solidified, beidou antennas and optical prisms can be placed on the upper and lower centering plates of the centering device assembly 100, so that deformation observation of the dam or the slope can be performed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The prism and Beidou double-positioning observation pier is characterized by comprising a centering device assembly (100), a pier body (200), a foundation (300), a leveling mark (400) and a power supply communication threading pipe (500);
the centering device assembly (100) comprises an upper centering disc (101), a connecting rod (102), a lower centering disc (103) and a fixed foot bolt (104), and the centering device assembly (100) is arranged at the upper end of the pier body (200);
the upper centering disc (101) and the lower centering disc (103) of the centering device assembly (100) are triangular, the connecting rods (102) are respectively connected at three corner points of the upper centering disc (101) and the lower centering disc (103), and the connecting rods (102) are rigidly connected with the upper centering disc (101) and the lower centering disc (103).
2. The prism and Beidou dual-positioning observation pier according to claim 1, wherein the plane size of the upper centering disc (101) is smaller than that of the lower centering disc (103), and the upper centering disc (101), the lower centering disc (103) and the connecting rod (102) form a triangular frustum structure.
3. The prism and beidou dual positioning observation pier according to claim 1, characterized in that the triangles of the upper centering disc (101) and the lower centering disc (103) are provided with smooth chamfers or chamfer angles.
4. The prism and Beidou dual positioning observation pier according to claim 1, wherein the centering screw holes of the upper centering plate (101) and the lower centering plate (103) are positioned on the same plumb line.
5. The prism and Beidou double positioning observation pier according to claim 1, wherein the bottom surface of the lower centering disc (103) is provided with a fixed foot bolt (104), and the centering device assembly (100) is mounted on the top surface of the pier body (200) through the fixed foot bolt (104) on the bottom surface of the lower centering disc (103).
6. The prism and Beidou double-positioning observation pier according to claim 1, wherein the pier body (200) comprises a circular pipe (201) and a concrete cylinder (202);
pier body (200) and level mark (400) set up on basis (300), and basis (300) embedding are on ground, and power supply communication threading pipe (500) set up in pier body (200), basis (300).
7. The prism and Beidou double-positioning observation pier according to claim 1, wherein a circular pipe (201) of the pier body (200) is placed on the top surface of a foundation (300) when concrete is poured on the foundation (300), and a concrete cylinder (202) of the pier body (200) is located in the circular pipe (201) and is obtained by pouring concrete in the circular pipe (201).
8. The prism and Beidou dual positioning observation pier according to claim 1, wherein the foundation (300) is cast-in-place concrete, the plane is square, the bottom surface of the foundation is firmly combined with a dam body or a slope, and the top surface of the foundation is leveled with the dam surface or the ground.
9. The prism and beidou dual positioning observation pier according to claim 1, wherein a leveling mark (400) is fixed on the top surface of the foundation (300) for leveling when pouring concrete of the foundation (300).
10. The prism and Beidou dual-positioning observation pier according to claim 1, wherein a power supply communication threading pipe (500) is buried in the pier body (200) and the foundation (300) when concrete of the pier body (200) and the foundation (300) is poured, and is used for communication and power supply of a Beidou antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310458699.5A CN116481505A (en) | 2023-04-25 | 2023-04-25 | Prism and Beidou double-positioning observation pier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310458699.5A CN116481505A (en) | 2023-04-25 | 2023-04-25 | Prism and Beidou double-positioning observation pier |
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| CN116481505A true CN116481505A (en) | 2023-07-25 |
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| CN202310458699.5A Pending CN116481505A (en) | 2023-04-25 | 2023-04-25 | Prism and Beidou double-positioning observation pier |
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