CN204205033U - GNSS antenna leveling fixture - Google Patents

GNSS antenna leveling fixture Download PDF

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Publication number
CN204205033U
CN204205033U CN201420679280.9U CN201420679280U CN204205033U CN 204205033 U CN204205033 U CN 204205033U CN 201420679280 U CN201420679280 U CN 201420679280U CN 204205033 U CN204205033 U CN 204205033U
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CN
China
Prior art keywords
leveling
antenna
substrate
hole
base
Prior art date
Application number
CN201420679280.9U
Other languages
Chinese (zh)
Inventor
林国利
於永东
潘久辉
Original Assignee
广州中海达定位技术有限公司
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Filing date
Publication date
Application filed by 广州中海达定位技术有限公司 filed Critical 广州中海达定位技术有限公司
Priority to CN201420679280.9U priority Critical patent/CN204205033U/en
Application granted granted Critical
Publication of CN204205033U publication Critical patent/CN204205033U/en

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Abstract

GNSS antenna leveling fixture comprises base, leveling pedestal, three leveling threaded components and spirit levels; This leveling pedestal comprises leveling substrate and antenna fixed leg; This antenna fixed leg extends straight up from the end face of this leveling substrate; The screw thread this leveling substrate being offered three along the circumferential direction uniform intervals distributions installs through hole, and antenna fixed leg is positioned in the geometric center of this leveling pedestal, and the distance that three screw threads install through hole relative antenna fixed leg is equal; The top board of this base is offered the Screw assembly through hole of three along the circumferential direction uniform intervals distributions; Each leveling is threaded leveling substrate and base; This spirit level is installed on this leveling substrate; The top of this antenna fixed leg is provided with the installation portion for connecting antenna.Above-mentioned utility model facilitates leveling antenna, time saving and energy saving, and leveling is accurate, and facilitates later stage antenna maintenance.

Description

GNSS antenna leveling fixture
Technical field
The utility model relates to a kind of GNSS antenna leveling fixture.
Background technology
GNSS (Global Navigation Satellite System, GLONASS (Global Navigation Satellite System)) make a general reference all satellite navigation systems, comprise the whole world, region with strengthen, as the Galileo in the GPS of the U.S., Muscovite GLONASS, Europe, the BDS of China, and relevant enhancing system, as the WAAS (WAAS) of the U.S., the EGNOS (Europe is Navigation Overlay System geostationary) in Europe and Japanese MSAS (Multi-functional transporting Satellite Augmentation System) etc., be also encompassed in other satellite navigation systems of building and will build later.
Measure in application at GNSS, the pseudorange observed or carrier phase value be all based on receiver antenna phase center to satellite antenna phase center between range measurement obtain, and in GNSS data process, the position of satellite or track take centroid of satellite as benchmark, and receiver antenna is then for benchmark with survey station foundation pier reference point.Due to the characteristic of antenna itself, antenna phase center and satellite mass centre or receiver foundation pier reference point inconsistent, all deviation is there is in thing, north and south and elevation, and can change along with elevation angle and azimuthal change, be called as antenna phase center variation (PCO) and antenna phase center change (PCV) respectively.In high-precision GNSS application, if do not consider the level of antenna phase center, i.e. the level of GNSS antenna mounting locations, will inevitably bring impact to measurement result, and its error even reaches meter level sometimes.
The fixed leg of existing GNSS antenna is directly embedded in observation pier concrete, and the overall process that concreting and GNSS antenna fixed leg are buried underground needs to calibrate with levelling rod.In casting process, can there is certain inclination in GNSS antenna fixed leg itself, is difficult to keep the level of GNSS antenna to put always, and in addition, the structure of observation pier itself can be aging, and it also can affect the horizontal level of GNSS fixed leg, thus causes GNSS antenna tilt.
Utility model content
For the deficiencies in the prior art, the utility model is intended to provide a kind of GNSS antenna leveling fixture solved the problems of the technologies described above.
For achieving the above object, the utility model adopts following technical scheme:
A kind of GNSS antenna leveling fixture, it comprises base, leveling pedestal, three leveling threaded components and spirit levels;
This leveling pedestal comprises leveling substrate and antenna fixed leg; This antenna fixed leg extends straight up from the end face of this leveling substrate; The screw thread this leveling substrate being offered three along the circumferential direction uniform intervals distributions installs through hole, and antenna fixed leg is positioned in the geometric center of this leveling pedestal, and the distance that three screw threads install through hole relative antenna fixed leg is equal; The top board of this base is offered the Screw assembly through hole of three along the circumferential direction uniform intervals distributions; Three leveling threaded components, three screw threads install through hole and three Screw assembly through hole one_to_one corresponding; Each leveling threaded components installs through hole and a corresponding Screw assembly through hole, with leveling substrate and the base of being threaded through a corresponding screw thread successively; Interval is provided with between leveling substrate and the roof of base; This spirit level is installed on this leveling substrate; The top of this antenna fixed leg is provided with the installation portion for connecting antenna.
Preferably, the bottom surface of this leveling substrate extends a conically shaped body straight down, and this conically shaped body reduces from top to bottom gradually, and this conically shaped body is positioned at the geometric center place of this leveling substrate;
The top board of this base is offered the cone-shaped groove that a size is less than conically shaped body; The end of this conically shaped body extends in this cone-shaped groove, and the taper seat of this conically shaped body is kept out on the upper limb of this conical socket.
Preferably, this device also comprises three hexagon socket head cap screws and three bullet pads; This leveling substrate is offered a discoid installation groove; The diapire of this installation groove offers the tapped through hole of three along the circumferential direction uniform intervals distributions; This spirit level comprises a discoid housing, and the diapire of this housing offers thread groove; Each hexagon socket head cap screw is successively through a corresponding tapped through hole and the thread groove penetrating correspondence, and to be installed on by spirit level in the installation groove on leveling substrate, each plays cushion cover and is located on a corresponding hexagon socket head cap screw.
Preferably, this base comprises stationary cylinder body and circular top board, and the bottom surface of this top board extends an installation base downwards; This top board is installed on this stationary cylinder body by installation base with interference fit; The circle wall of this stationary cylinder body is offered an annular recess.
Preferably, each leveling threaded components comprises bolt, bullet pad and plain cushion.
Preferably, bolt adopts outer-hexagonal bolt.
The beneficial effects of the utility model are as follows:
Whether above-mentioned utility model regulates the levelness of leveling pedestal by three leveling threaded components, and observe leveling intuitively by spirit level, very convenient, time saving and energy saving, and leveling is accurate.In addition, cause base to tilt even if observation pier produces distortion in Long-Time Service, again carrying out leveling by crossing three leveling threaded components, facilitating later stage antenna maintenance.
Accompanying drawing explanation
Fig. 1 is the stereogram of the better embodiment of the utility model GNSS antenna leveling fixture.
Fig. 2 is the profile of the GNSS antenna leveling fixture of Fig. 1.
Fig. 3 is the stereogram of the leveling pedestal of the GNSS antenna leveling fixture of Fig. 1.
Fig. 4 is the stereogram of the leveling pedestal of another view of the GNSS antenna leveling fixture of Fig. 1.
Fig. 5 is the stereogram of the top board of the GNSS antenna leveling fixture of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Refer to Fig. 1 to Fig. 5, the utility model relates to a kind of GNSS antenna leveling fixture, and its better embodiment comprises base 10, leveling pedestal 30, three leveling threaded components 40 and spirit level 50.
This leveling pedestal 30 comprises leveling substrate 31 and antenna fixed leg 32.This antenna fixed leg 32 extends straight up from the end face of this leveling substrate 31.The screw thread this leveling substrate 31 being offered three along the circumferential direction uniform intervals distributions installs through hole 33, and antenna fixed leg 32 is positioned in the geometric center of this leveling pedestal 30, and the distance that three screw threads install through hole 33 relative antenna fixed leg 32 is equal.The top board of this base 10 is offered the Screw assembly through hole 15 of three along the circumferential direction uniform intervals distributions.Three leveling threaded components 40, three screw threads install through hole 33 and three Screw assembly through hole 15 one_to_one corresponding.Each leveling threaded components 40 installs through hole 33 and a corresponding Screw assembly through hole 15, with leveling substrate 31 and the base 10 of being threaded through a corresponding screw thread successively; Interval is provided with between the roof of leveling substrate 31 and base 10.This spirit level 50 is installed on this leveling substrate 31.The top of this antenna fixed leg 32 is provided with the installation portion 35 for connecting antenna.
During use, base 10 is fixedly installed on observation pier, as the lower end of base 10 is buried in concrete, the levelness of leveling pedestal 30 is regulated again by three leveling threaded components 40, and observe whether leveling intuitively by spirit level 50, very convenient, time saving and energy saving, and leveling is accurate.In addition, cause base 10 to tilt even if observation pier produces distortion in Long-Time Service, again carry out leveling by three leveling threaded components 40, facilitate later stage antenna maintenance.
In the present embodiment, the bottom surface of this leveling substrate 31 extends a conically shaped body 38 straight down, and this conically shaped body 38 reduces from top to bottom gradually, and this conically shaped body 38 is positioned at the geometric center place of this leveling substrate 31.
The top board of this base 10 is offered the cone-shaped groove 18 that a size is less than conically shaped body 38.The end of this conically shaped body 38 extends in this cone-shaped groove 18, and the taper seat of this conically shaped body 38 is kept out on the upper limb of this conical socket 18, plays the role of positioning to facilitate during Levelling operation.
In the present embodiment, this device also comprises three hexagon socket head cap screws and three bullet pads.This leveling substrate 31 is offered a discoid installation groove 34.The diapire of this installation groove 34 offers the tapped through hole 342 of three along the circumferential direction uniform intervals distributions.This spirit level 50 comprises a discoid housing (figure does not indicate), and the diapire of this housing offers thread groove (figure does not indicate).Each hexagon socket head cap screw is successively through a corresponding tapped through hole 342 and a corresponding thread groove, and to be installed on by spirit level 50 in the installation groove 34 on leveling substrate 31, each plays cushion cover and is located on a corresponding hexagon socket head cap screw.
In the present embodiment, this base 10 comprises stationary cylinder body 12 and circular top board 15, and the bottom surface of this top board 15 extends an installation base 16 downwards.This top board 15 is installed on this stationary cylinder body 12 with interference fit by installation base 16.The circle wall of this stationary cylinder body 12 is offered an annular recess 13, hold the position that stationary cylinder body 12 exposes when facilitating workman to install, the annular recess 13 as stationary cylinder body all buries in concrete with lower portion.
In the present embodiment, each leveling threaded components 40 comprises bolt, bullet pad and plain cushion.Preferably, bolt adopts outer-hexagonal bolt.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the utility model claim.

Claims (6)

1. a GNSS antenna leveling fixture, is characterized in that: it comprises base, leveling pedestal, three leveling threaded components and spirit levels;
This leveling pedestal comprises leveling substrate and antenna fixed leg; This antenna fixed leg extends straight up from the end face of this leveling substrate; The screw thread this leveling substrate being offered three along the circumferential direction uniform intervals distributions installs through hole, and antenna fixed leg is positioned in the geometric center of this leveling pedestal, and the distance that three screw threads install through hole relative antenna fixed leg is equal; The top board of this base is offered the Screw assembly through hole of three along the circumferential direction uniform intervals distributions; Three leveling threaded components, three screw threads install through hole and three Screw assembly through hole one_to_one corresponding; Each leveling threaded components installs through hole and a corresponding Screw assembly through hole, with leveling substrate and the base of being threaded through a corresponding screw thread successively; Interval is provided with between leveling substrate and the roof of base; This spirit level is installed on this leveling substrate; The top of this antenna fixed leg is provided with the installation portion for connecting antenna.
2. GNSS antenna leveling fixture as claimed in claim 1, it is characterized in that: the bottom surface of this leveling substrate extends a conically shaped body straight down, and this conically shaped body reduces from top to bottom gradually, this conically shaped body is positioned at the geometric center place of this leveling substrate;
The top board of this base is offered the cone-shaped groove that a size is less than conically shaped body; The end of this conically shaped body extends in this cone-shaped groove, and the taper seat of this conically shaped body is kept out on the upper limb of this conical socket.
3. GNSS antenna leveling fixture as claimed in claim 1 or 2, is characterized in that: this device also comprises three hexagon socket head cap screws and three bullet pads; This leveling substrate is offered a discoid installation groove; The diapire of this installation groove offers the tapped through hole of three along the circumferential direction uniform intervals distributions; This spirit level comprises a discoid housing, and the diapire of this housing offers thread groove; Each hexagon socket head cap screw is successively through a corresponding tapped through hole and the thread groove penetrating correspondence, and to be installed on by spirit level in the installation groove on leveling substrate, each plays cushion cover and is located on a corresponding hexagon socket head cap screw.
4. GNSS antenna leveling fixture as claimed in claim 1, is characterized in that: this base comprises stationary cylinder body and circular top board, and the bottom surface of this top board extends an installation base downwards; This top board is installed on this stationary cylinder body by installation base with interference fit; The circle wall of this stationary cylinder body is offered an annular recess.
5. GNSS antenna leveling fixture as claimed in claim 1, is characterized in that: each leveling threaded components comprises bolt, bullet pad and plain cushion.
6. GNSS antenna leveling fixture as claimed in claim 5, is characterized in that: bolt adopts outer-hexagonal bolt.
CN201420679280.9U 2014-11-13 2014-11-13 GNSS antenna leveling fixture CN204205033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420679280.9U CN204205033U (en) 2014-11-13 2014-11-13 GNSS antenna leveling fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420679280.9U CN204205033U (en) 2014-11-13 2014-11-13 GNSS antenna leveling fixture

Publications (1)

Publication Number Publication Date
CN204205033U true CN204205033U (en) 2015-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420679280.9U CN204205033U (en) 2014-11-13 2014-11-13 GNSS antenna leveling fixture

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105390791A (en) * 2015-11-13 2016-03-09 上海华测导航技术股份有限公司 GNSS antenna leveling device and leveling method
DE102015119761A1 (en) * 2015-11-16 2017-05-18 Endress+Hauser Gmbh+Co. Kg Level gauge for measuring a level of a product in a container
CN109623497A (en) * 2018-12-10 2019-04-16 上海复合材料科技有限公司 Antenna frame assists levelling device
CN109696585A (en) * 2019-01-04 2019-04-30 北京环境特性研究所 A kind of antenna leveling method and system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105390791A (en) * 2015-11-13 2016-03-09 上海华测导航技术股份有限公司 GNSS antenna leveling device and leveling method
CN105390791B (en) * 2015-11-13 2018-07-27 上海华测导航技术股份有限公司 A kind of levelling device and leveling method of GNSS antenna
DE102015119761A1 (en) * 2015-11-16 2017-05-18 Endress+Hauser Gmbh+Co. Kg Level gauge for measuring a level of a product in a container
CN109623497A (en) * 2018-12-10 2019-04-16 上海复合材料科技有限公司 Antenna frame assists levelling device
CN109623497B (en) * 2018-12-10 2020-04-03 上海复合材料科技有限公司 Auxiliary leveling device for antenna frame
CN109696585A (en) * 2019-01-04 2019-04-30 北京环境特性研究所 A kind of antenna leveling method and system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Wu Yongdong

Inventor after: Lin Guoli

Inventor after: Pan Jiuhui

Inventor before: Lin Guoli

Inventor before: Wu Yongdong

Inventor before: Pan Jiuhui

C53 Correction of patent for invention or patent application
COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: LIN GUOLI YU YONGDONG PAN JIUHUI TO: YU YONGDONG LIN GUOLI PAN JIUHUI

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180919

Address after: 511400 building 13, headquarters of Tianan energy conservation technology park, 555 Panyu Avenue North, Panyu District, Guangzhou, Guangdong.

Co-patentee after: Railway Construction Institute of China Academy of Railway Sciences

Patentee after: Hi-Target Positioning Co., Ltd.

Address before: 511400 No. 13, Tianan headquarters center, 555 Panyu Avenue North, Panyu District, Guangzhou, Guangdong.

Patentee before: Hi-Target Positioning Co., Ltd.