CN202041208U

CN202041208U - Stable direct-buried GPS (global positioning system) observation sign

Info

Publication number: CN202041208U
Application number: CN201120093454XU
Authority: CN
Inventors: 谭凯; 王琪; 乔学军; 聂兆生; 贾治革; 刘刚
Original assignee: Institute of Earthquake of China Earthquake Administration
Current assignee: Institute of Earthquake of China Earthquake Administration
Priority date: 2011-04-01
Filing date: 2011-04-01
Publication date: 2011-11-16
Anticipated expiration: 2021-04-01

Abstract

The utility model discloses a stable direct-buried GPS (global positioning system) observation sign, which comprises a stable direct-buried GPS observation sign post, a GPS sign head protection nut and a matched GPS sign head protection post, wherein the stable direct-buried GPS observation sign post is divided into an upper part and a lower part by a circle of protuberances at the upper end of the stable direct-buried GPS observation sign post; the upper end part of the stable direct-buried GPS observation sign post is made into a screw, and the lower end part of the stable direct-buried GPS observation sign post is made into a cylinder; the end surface of the stable direct-buried GPS observation sign post is carved with a cross which serves as an observation point; a hole is vertically and downwards drilled on a bed rock or a concrete building, and the depth of the hole is shorter than the length of the stable direct-buried GPS observation sign post; the matched GPS sign head protection post is sleeved at the upper end of the stable direct-buried GPS observation sign post; the stable direct-buried GPS observation sign post is driven into the drilled hole; and the GPS sign head protection nut is screwed into the upper end of the observation sign post to be protected. The stable direct-buried GPS observation sign has a simple structure, the construction cost is low, the labor intensity is reduced, the work efficiency is improved, and the stability and the observation precision of the stable direct-buried GPS observation sign are basically consistent with the stability and the observation precision of an observation pillar GPS sign.

Description

A kind of firm direct burial GPS observation monument

Technical field

The utility model relates to and utilizes measurement type GPS (GPS) to carry out topographical surveying, earth movement monitoring, road or building control survey and construction survey, buildings or dam deformation monitoring technical field, more specifically relate to a kind of firm direct burial GPS observation monument, build easy, easy to use, firm observation station or monitoring point for GPS topographical surveying, earth movement monitoring, road or building control survey and construction survey, buildings or dam deformation monitoring provide.

Background technology

The high-precision GPS observation monument generally is the metal flag of 40 ~ 80 millimeters sizes of diameter at present, and its enforcement is that metal flag is built on concrete observation pier, and sign size, structure interrelate with the observation pier.Generally need dig and reach more than 1 meter deeply even several meters hole, use reinforced concrete (or adding a small amount of brick, stone) to be built into tens centimetres wide circular or square pier stud then, the GPS metal flag is imbedded pier stud, sign top will flush with the pier stud face.If observation socle exposure ground certain altitude then generally uses 80 millimeters of diameters, middle porose pressure to the Chinese style metal flag, gps antenna is placed directly on the observation pier by pedestal and pressure centering connecting link during measurement; If the observation pier all is embedded in subsurface, so just should use the metal flag of solid diameter less (as 40 millimeters), need lay pedestal and gps antenna with tripod during measurement.Thisly protect easily with observation pier corresponding GPS observation monument, but observe the pier construction time long, expense is high, has limited the fast monitored of GPS sometimes.Other provisional GPS observation monument (as reinforcing bar, timber, paint picture point etc.) is though build fast, and precision is low, be damaged easily.

Summary of the invention

The utility model purpose is to provide a kind of firm direct burial GPS observation monument, and simple in structure, construction cost is low, has reduced labour intensity, has improved work efficiency, and its stability and accuracy of observation and observation pier GPS sign basically identical.

Above purpose is achieved in that

Replace the observation pier of oneself building with ready-made firm basement rock or concrete structure; The metal flag that diameter is bigger is improved becomes elongated flag-rod, and screw rod is made in its upper part, and end portion is made cylinder; Directly the metal flag bar is imbedded on the firm basement rock or concrete construction metal flag bar upper end screw rod exposure rock or building surface.Directly pedestal and gps antenna are screwed in metal flag bar upper end screw rod during observation.Protect with protecting nut to screw on the sign head when not observing.

A kind of firm direct burial GPS observation monument comprises: firm direct burial GPS observation monument bar, and the upper part is a screw rod, and 15.8 millimeters of diameter of screw just can screw in the gps antenna pedestal, and end face is carved with " a ten " word, as the observation station center; GPS sign head protection nut, 15.8 millimeters of internal whorl diameters; Cooperate GPS sign head protection bar, hollow space has screw thread, and 15.8 millimeters of diameter of screw just can screw in GPS flag-rod upper end, protection metal flag head when burying flag-rod.Firm direct burial GPS observation monument bar need be imbedded in basement rock or the concrete structure, and GPS sign head protection nut screws in observation monument bar top, is annex independently and cooperate GPS sign head protection bar.It is characterized in that: with electric drill head boring vertically downward on basement rock or concrete structure of 12 millimeters of diameters, the firm direct burial GPS of its depth ratio observation monument pole length is slightly short.Firm direct burial GPS observation monument bar is divided into two parts up and down by a circle projection of upper end, and screw rod is made in the upper part, and end portion is made cylinder; 15.8 millimeters of the diameter of screw of upper end screw rod just can screw in the gps antenna pedestal, and end face is carved with " a ten " word as the observation station center; 13 millimeters of lower end body diameters.To cooperate GPS sign head protection bar to be enclosed within firm direct burial GPS observation monument bar upper end, the hand steered cooperation sign of people head protection bar, another human iron hammer vertically impact and cooperate sign head protection bar, and firm direct burial GPS observation monument bar is squeezed in the boring.To cooperate GPS sign head protection bar to screw out, then pedestal and gps antenna can be screwed in firm direct burial GPS observation monument bar upper end, observe; 15.8 millimeters of GPS sign head protection nut interior threaded bore diameters, effect are to screw in protection GPS sign head on the GPS sign head when not observing.Burying underground of observation monument bar needs to use GPS sign head protection bar, and its hollow space has screw thread, and 15.8 millimeters of diameter of screw just can screw in GPS flag-rod upper end, protection metal flag head when burying flag-rod.Observation monument after burying underground is characterised in that: replace the observation pier of oneself building with natural basement rock or artificial structure, replace the bigger sign head of volume with the flag-rod after improving, directly flag-rod is squeezed into the stable GPS observation monument of formation in basement rock or the concrete structure.

The utility model compared with prior art has the following advantages and effect:

The utility model is simple in structure, and is easy to use, and cost is low, the efficient height.Build easily and fast, firmly, can be widely used in GPS and carry out topographical surveying, earth movement monitoring, road or building control survey and fields such as construction survey, buildings or dam deformation monitoring.Can greatly improve work efficiency and reliability thereof that high-precision GPS is measured.

Description of drawings

Fig. 1 is a kind of firm direct burial GPS observation monument front elevation

Fig. 2 is a kind of firm direct burial GPS observation monument vertical view

Fig. 3 is a kind of firm direct burial GPS observation monument annex front elevation

Fig. 4 is a kind of firm direct burial GPS observation monument annex vertical view

Wherein: 1-firm direct burial GPS observation monument bar, the upper part is a screw rod, and 15.8 millimeters of diameter of screw just can screw in the gps antenna pedestal, and end face is carved with " a ten " word, as the observation station center.2-GPS sign head protection nut, 15.8 millimeters of internal whorl diameters.3-basement rock or concrete structure.4-cooperating GPS sign head protection bar, hollow space has screw thread, and 15.8 millimeters of diameter of screw just can screw in GPS flag-rod upper end, protection metal flag head when burying flag-rod.

Embodiment

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4 as can be known, a kind of firm direct burial GPS observation monument is made up of firm direct burial GPS observation monument bar 1, GPS sign head protection nut 2, cooperation GPS sign head protection bar 4, basement rock or concrete structure 3.Below in conjunction with accompanying drawing the utility model is described in further detail.

With the electric drill head more smaller (example: 13 millimeters of flag-rod diameters, 12 millimeters of electric drill head diameters) than flag-rod diameter, boring vertically downward on basement rock or concrete structure 3, the firm direct burial GPS of its depth ratio observation monument bar 1 length is slightly short.To cooperate GPS sign head protection bar 4 to be enclosed within firm direct burial GPS observation monument bar 1 upper end, the hand steered sign head protection of people bar, another human iron hammer vertically impact sign head protection bar, and firm direct burial GPS observation monument bar 1 is squeezed in the boring.To cooperate GPS sign head protection bar 4 to screw out, then gps antenna can be screwed in firm direct burial GPS observation monument bar 1 upper end, observe; Perhaps elder generation revolves pedestal and is placed on firm direct burial GPS observation monument bar 1 upper end, and antenna is placed on the pedestal, can carry out GPS observation behind the leveling pedestal.

Boring is directly squeezed into mode and is required with sign head protection bar protection metal flag head, so screw rod should be made in metal flag head upper end.The observation monument upper end of making is the crop out, and is more convenient during observation.After having observed, GPS be indicated that head protection nut 2 screws in the observation monument upper end, with protection observation monument head.

Claims

1. firm direct burial GPS observation monument, form by firm direct burial GPS observation monument bar (1), GPS sign head protection nut (2), cooperation GPS sign head protection bar (4), it is characterized in that: a circle projection of firm direct burial GPS observation monument bar (1) upper end is divided into two parts up and down, screw rod is made in the upper part, and end portion is made cylinder; 15.8 millimeters of the diameter of screw of upper end screw rod, end face is carved with a cross; 13 millimeters of lower end body diameters; boring vertically downward on basement rock or concrete structure (3); the firm direct burial GPS of its depth ratio observation monument bar (1) is short; to cooperate GPS sign head protection bar (4) to be enclosed within firm direct burial GPS observation monument bar (1) upper end, firm direct burial GPS observation monument bar (1) will be squeezed in the boring.