CN216773497U

CN216773497U - Adjustable coaxial mounting support for GPS antenna disc and prism

Info

Publication number: CN216773497U
Application number: CN202220566534.0U
Authority: CN
Inventors: 徐良; 王殿文; 尚乾坤; 赫亚峰; 孙阳阳; 杨伟光; 田芷旭; 葛萌; 王冲; 马芦江; 李增昀; 唐佃明
Original assignee: CCCC First Harbor Engineering Co Ltd; No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Current assignee: CCCC First Harbor Engineering Co Ltd; No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-17
Anticipated expiration: 2032-03-15

Abstract

The utility model provides an adjustable coaxial mounting bracket for a GPS antenna disc and a prism, which comprises a bottom disc, a middle disc, a top disc and a regulating device, wherein the middle disc and the top disc are connected through a plurality of support rods, a first connecting rod for mounting the prism is arranged at the center of the middle disc, and a second connecting rod for mounting a sinking pipe mounting and positioning device is arranged at the center of the top disc; the bottom disc is installed below the middle disc at intervals through an adjusting device, and the adjusting device adjusts the middle disc and the top disc to be located at the same plane position all the time. The utility model has simple structure and convenient use, ensures that the prism and the GPS are positioned at the same plane position when the immersed tube is mounted in a floating way, realizes the common observation of the total station and the GPS, perfects the calibration observation mode under the floating state of the immersed tube, is beneficial to the check and comparison of the measurement result and effectively improves the measurement precision.

Description

Adjustable coaxial mounting support for GPS antenna disc and prism

Technical Field

The utility model belongs to the technical field of immersed tube floating installation and measurement, and particularly relates to an adjustable coaxial installation support for a GPS antenna disc and a prism.

Background

At present, in the work of calibrating the immersed tube floating transportation installation positioning equipment in an immersed tube floating state, a conventional measurement means is carried out by adopting a GPS measurement or total station instrument, namely, a forced centering disc is adopted to connect and install the GPS positioning equipment or a total station instrument reflection prism on the top of a measurement tower, and only one of the GPS positioning equipment or the total station instrument reflection prism can be installed at the same moment, so that the situation of low measurement precision caused by a single measurement mode exists all the time, and the equipment needs to be disassembled and installed when observation is carried out at the same point position, thereby introducing errors into an observation result. In order to improve the observation accuracy, the observation by adopting two or more measurement modes is an effective means for improving the measurement accuracy. Chinese patent No. zl201720057225.x discloses an antenna support supporting synchronous observation of GNSS and a reflecting prism, which specifically discloses synchronous observation using GNSS and a total station, but when the antenna support is used for calibration observation in a immersed tube floating state, it is very easily affected by seawater, which causes the GNSS and the reflecting prism not to belong to the same point in the vertical direction, and also affects the observation accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model provides an adjustable coaxial mounting bracket of a GPS antenna disc and a prism, which has simple structure and convenient use, so that the prism and immersed tube mounting and positioning equipment are positioned at the same plane position, synchronous observation of a total station and the immersed tube mounting and positioning equipment is realized, and the purposes of improving the working efficiency and the positioning precision are achieved.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the adjustable coaxial mounting support comprises a bottom disc, a middle disc, a top disc and an adjusting device, wherein the middle disc and the top disc are connected through a plurality of supporting rods, a first connecting rod for mounting the prism is arranged at the circle center of the middle disc, and a second connecting rod for mounting a immersed tube mounting and positioning device is arranged at the circle center of the top disc; the bottom disc is installed below the middle disc at intervals through an adjusting device, and the adjusting device adjusts the middle disc and the top disc to be located at the same plane position all the time.

According to the technical scheme, the adjustable coaxial mounting support is arranged, so that synchronous observation of the total station and the immersed tube mounting and positioning equipment is realized, combined measurement or contrast measurement of the GPS and the total station is realized, and the purposes of improving the working efficiency and the positioning precision are achieved. Meanwhile, the adjusting device adjusts the middle disc and the top disc to be always located at the same plane position, so that when the bottom disc inclines, the prism and the immersed tube mounting and positioning device are still located at the same plane position, and the measuring precision is further improved.

In other embodiments of the present application, the adjusting device includes an adjusting bolt and two adjusting nuts, one end of the adjusting bolt is fixedly disposed on the bottom disc, the middle disc is correspondingly provided with a through hole, the other end of the adjusting bolt penetrates through the through hole, and the edge of the middle disc is clamped between the two adjusting nuts; the adjusting device formed by the adjusting bolt and the adjusting nut is simple in structure and convenient to adjust.

In other embodiments of the present application, the number of the adjusting devices is three, and the adjusting devices are evenly spaced.

In other embodiments of the present application, the prism is inserted into an upper end of the first connecting rod, and an upper end of the second connecting rod is provided with a thread for installing a sinking tube installation positioning device.

In some other embodiments of the present application, a horizontal bubble gauge is disposed on the middle disk.

In other embodiments of the present application, the number of the support rods is three, and the support rods are uniformly spaced.

In other embodiments of the present application, a connector is disposed at a center of the bottom disk and is configured to be screwed into the bottom disk for mounting an adjustable coaxial mounting bracket.

In other embodiments of the present application, the bottom surface of the bottom disk is a smooth flat surface.

In other embodiments of the present application, the bottom disc, the middle disc, and the top disc are all the same size.

Compared with the prior art, the utility model has the advantages and positive effects that:

the adjustable coaxial mounting bracket for the GPS antenna disc and the prism provided by the utility model can meet the requirement of synchronous observation of the same point position by adopting a total station and immersed tube positioning equipment, and the adjusting device ensures that the prism and the immersed tube positioning equipment are positioned at the same plane position, thereby improving the observation precision and the working efficiency.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a mounting bracket according to an embodiment of the utility model.

In the above figures: a mounting bracket 100; a bottom disc 1; a middle disk 2; a top disc 3; an adjusting device 4; a support bar 5; a first connecting rod 6; a second connecting rod 7; a horizontal bubble gauge 8.

Detailed Description

The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

For better understanding of the above technical solutions, the following detailed descriptions are provided with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, in an exemplary embodiment of an adjustable coaxial mounting bracket 100 for a GPS antenna disk and prism of the present invention, the mounting bracket 100 includes a bottom disk 1, a middle disk 2, a top disk 3, and an adjusting device 4, the bottom disk 1, the middle disk 2, and the top disk 3 preferably being of the same size.

The middle disc 2 and the top disc 3 are connected through a plurality of support rods 5, a first connecting rod 6 for installing a prism is arranged at the circle center of the middle disc 2, and a second connecting rod 7 for installing a immersed tube installing and positioning device is arranged at the circle center of the top disc 3. In this embodiment, the prism is inserted into the upper end of the first connecting rod 6, the upper end of the second connecting rod 7 is provided with threads for installing the immersed tube installation positioning device, and the number of the supporting rods 5 is three at regular intervals.

The bottom disc 1 is installed below the middle disc 2 at intervals through the adjusting device 4, the adjusting device 4 adjusts the middle disc 2 and the top disc 3 to be located at the same plane position all the time, a connecting port capable of being screwed in is arranged at the circle center of the bottom disc 1 to install the adjustable coaxial installation support 100, and the bottom surface of the bottom disc 1 is preferably a smooth plane.

Specifically speaking, adjusting device 4 includes an adjusting bolt and two adjusting nut, and adjusting bolt's one end sets firmly on bottom disc 1, and the correspondence is provided with the through-hole on the middle part disc 2, and adjusting bolt's the other end runs through the through-hole, and the border card of middle part disc 2 locates between two adjusting nut, and adjusting device 4 through adjusting bolt and adjusting nut formation simple structure adjusts the convenience. Preferably, the number of the adjusting devices 4 is three, and they are evenly spaced, and one end of the adjusting bolt is welded on the bottom disc 1.

The adjustable coaxial mounting bracket 100 provided by the utility model realizes synchronous observation of the total station and the immersed tube mounting and positioning equipment, further realizes combined measurement or comparison measurement of the GPS and the total station, and achieves the purposes of improving the working efficiency and positioning accuracy. Meanwhile, the adjusting device 4 adjusts the middle disc 2 and the top disc 3 to be always located at the same plane position, so that when the bottom disc 1 inclines, the prism and the immersed tube mounting and positioning device are still located at the same plane position, and the measuring precision is further improved.

Further, with continued reference to fig. 1, the middle disk 2 is provided with a horizontal bubble gauge 8 for measuring the flatness of the middle disk 2 to ensure that the middle disk 2 is at a horizontal position.

The utility model has simple structure and convenient use, ensures that the immersed tube installation positioning equipment connected with the second connecting rod 7 and the prism connected with the first connecting rod 6 are in the same plane position under the horizontal condition through the adjustable coaxial installation support 100, namely ensures that the prism and the GPS are in the same plane position, realizes the common observation of the total station and the GPS, and the prism is a 360-degree prism. In the immersed tube calibration process, the positioning precision of immersed tube installation positioning equipment connected with the second connecting rod 7 can be compared through the 360-degree prism connected with the first connecting rod 6, data support is provided for determining immersed tube floating transportation installation positioning parameters, the calibration observation mode in the immersed tube floating state is perfected, the calibration comparison of measurement results is facilitated, and the measurement precision is effectively improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. An adjustable coaxial mounting support for a GPS antenna disc and a prism is characterized by comprising a bottom disc, a middle disc, a top disc and an adjusting device, wherein the middle disc and the top disc are connected through a plurality of supporting rods, a first connecting rod for mounting the prism is arranged at the center of the middle disc, and a second connecting rod for mounting a immersed tube mounting and positioning device is arranged at the center of the top disc; the bottom disc is installed below the middle disc at intervals through an adjusting device, and the middle disc and the top disc are adjusted by the adjusting device to be located at the same plane position all the time.

2. The adjustable coaxial mounting bracket for the GPS antenna disc and the prism as claimed in claim 1, wherein the adjusting device comprises an adjusting bolt and two adjusting nuts, one end of the adjusting bolt is fixedly disposed on the bottom disc, the middle disc is correspondingly provided with a through hole, the other end of the adjusting bolt penetrates through the through hole, and the edge of the middle disc is clamped between the two adjusting nuts.

3. An adjustable coaxial mounting bracket for a GPS antenna dish and prism as claimed in claim 1 or 2, wherein the number of said adjustment means is configured as three and they are evenly spaced apart.

4. An adjustable coaxial mounting bracket for a GPS antenna dish and prism as claimed in claim 1, wherein the prism is inserted into the upper end of the first connecting rod, and the upper end of the second connecting rod is provided with a thread for mounting a sink pipe mounting and positioning device.

5. An adjustable coaxial mounting bracket for a GPS antenna dish and prism as claimed in claim 1, wherein a horizontal bubble gauge is provided on the central disc.

6. An adjustable coaxial mounting bracket for a GPS antenna dish and prism as claimed in claim 1, wherein the number of support rods is three and they are evenly spaced.

7. The adjustable coaxial mounting bracket for a GPS antenna disk and a prism as claimed in claim 1, wherein a screw-in connection port is provided at the center of the bottom disk.

8. An adjustable coaxial mounting bracket for a GPS antenna dish and prism as claimed in claim 1 wherein the bottom surface of the bottom disc is a smooth flat surface.

9. An adjustable coaxial mounting bracket for a GPS antenna dish and prism as claimed in claim 1 wherein the bottom, middle and top disks are all of the same size.