CN211696352U

CN211696352U - Tool for accurately measuring height of GNSS receiver instrument

Info

Publication number: CN211696352U
Application number: CN202020800606.4U
Authority: CN
Inventors: 周邦发
Original assignee: Individual
Current assignee: Liuzhou Tianheng Surveying And Mapping Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-10-16
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to the technical field of GNSS measurement, in particular to a tool for accurately measuring the height of a GNSS receiver instrument, it includes receiver body and support, the installing support includes brace table and stabilizer blade, brace table's bottom surface is fixed with laser range finder, brace table's up end edge is equipped with the spirit level, the receiver body includes the hemisphere upper cover, the bottom of hemisphere upper cover is equipped with GNSS receiver installation section of thick bamboo, be equipped with the mounting panel in the GNSS receiver installation section of thick bamboo, the center department of mounting panel is equipped with the installation through-hole, be equipped with in the installation through-hole with installation through-hole clearance fit's GNSS receiver, the both ends that lie in the installation through-hole on the mounting panel are equipped with the screw, the upper end of GNSS receiver is equipped with and is used for carrying on spacing fixed plate to the GNSS receiver, be equipped with on the fixed plate with screw. The utility model discloses comparatively accurate realization to the measurement of ground elevation.

Description

Tool for accurately measuring height of GNSS receiver instrument

Technical Field

The utility model relates to a GNSS measures technical field, and specifically speaking relates to an instrument of accurate measurement GNSS receiver instrument height.

Background

The CORS system is a system which is composed of one or a plurality of fixed and continuously operating GNSS reference stations, and automatically provides checked GNSS observation values of different types, various positive numbers, state information and other related GNSS service items to users of different types, different requirements and different levels in real time by utilizing a network which is composed of modern computers, data communication and internet technology. The height of the GNSS surveying and mapping needs to be subtracted from the height of the GNSS surveying and mapping to obtain the true height of the measured data. The field environment is complex, and the height of the GNSS from the ground cannot be measured better when the GNSS receiver is used for measuring.

SUMMERY OF THE UTILITY MODEL

Carry out the defect of measuring apart from ground height to the unable preferred of ordinary accurate measurement GNSS receiver instrument that exists among the prior art, the utility model provides an accurate measurement GNSS receiver instrument height's instrument. The accuracy of the GNSS receiver measurement can be improved.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a tool for accurately measuring the height of a GNSS receiver instrument comprises a receiver body and a mounting bracket for mounting the receiver body, wherein the mounting bracket comprises a supporting platform and supporting legs which are arranged below the supporting platform and fixedly connected with the supporting platform; the bottom end surface of the hemispherical upper cover is outwards expanded along the circumferential direction of the hemispherical upper cover to form a first connecting part, the upper end part of the GNSS receiver mounting cylinder is outwards expanded along the circumferential direction of the GNSS receiver mounting cylinder to form a second connecting part, the first connecting part and the second connecting part are connected through a bolt, a mounting plate positioned below the second connecting part is arranged in the GNSS receiver mounting cylinder, a mounting through hole is arranged in the center of the mounting plate, a GNSS receiver in clearance fit with the mounting through hole is arranged in the mounting through hole, screw holes are arranged at two ends of the mounting through hole on the mounting plate, a fixing plate used for limiting the GNSS receiver is arranged at the upper end part of the GNSS receiver, a fixing plate through hole matched with the screw holes is arranged on the; the water storage drum that the opening vertically upwards was equipped with has been cup jointed in the outside of GNSS receiver installation section of thick bamboo, and the bottom mounting of water storage drum is on GNSS receiver installation section of thick bamboo bottom lateral wall, and the height that highly is less than the second connecting portion of water storage drum upper end open-ended, and the radius of water storage drum is greater than the radius of first connecting portion and second connecting portion.

Through the utility model discloses a mounting bracket sets up, comparatively accurate realization to the measurement of ground elevation.

The installation and the disassembly of the receiver body can be conveniently completed, and the GNSS receiver does not contact with the antenna during disassembly, so that the installation precision and the measurement precision of the antenna are ensured; meanwhile, when the GNSS receiver is installed in the GNSS receiver installation barrel, the GNSS receiver installation barrel is in a sealing state, so that the interference of external rainwater, dust and the like entering the GNSS receiver installation barrel on the normal operation of the GNSS receiver is avoided.

Wherein, the water storage drum's setting has realized the cooling to the GNSS receiver through comparatively simple structure.

Preferably, a first annular groove is formed in the bottom end face of the first connecting portion, a second annular groove is formed in the bottom end face of the second connecting portion, the first annular groove and the second annular groove are arranged in an up-down opposite mode, and a rubber pad is arranged between the first annular groove and the second annular groove.

Through the utility model discloses a setting of rubber pad, the waterproof dustproof effect of the instrument of this precision measurement GNSS receiver instrument height of promotion that can the preferred.

Preferably, the upper end of the water storage cylinder is expanded outward in the circumferential direction thereof to form an expanded portion.

Through the utility model discloses an extension portion sets up, can reach the convenience to the collection to the rainwater, also can promote the cooling effect to the GNSS receiver simultaneously.

Preferably, the outer side wall of the GNSS receiver mounting cylinder and the inner side wall of the water storage cylinder are both provided with corrosion-resistant layers.

Through the utility model discloses a setting on corrosion-resistant layer can avoid the rainwater to cause the corruption to the lateral wall of GNSS receiver installation section of thick bamboo and the inner wall of water storage drum to the life of this instrument of accurate measurement GNSS receiver instrument height has been promoted.

Preferably, the upper end part of the expansion part is fixedly connected with a water pipe, and one end of the water pipe extends into the water storage cylinder.

Through the utility model discloses a stability of this accurate measurement GNSS receiver instrument height's instrument when using in adverse circumstances can be promoted in the setting of water pipe.

Preferably, the outer side wall of the bottom end of the GNSS receiver mounting barrel is outwardly expanded along the circumferential direction thereof to form a third connecting portion, and the third connecting portion is bolted to the support base.

Through the utility model discloses a bolted connection between a GNSS receiver installation section of thick bamboo and the brace table, can be comparatively convenient install a GNSS receiver installation section of thick bamboo on the installing support.

Drawings

Fig. 1 is a schematic structural diagram of a tool for accurately measuring the height of a GNSS receiver instrument in embodiment 1.

FIG. 2 is a cross-sectional view of the tool for accurately measuring the height of a GNSS receiver instrument of FIG. 1.

Fig. 3 is a half sectional view of the GNSS receiver mounting barrel of fig. 1.

FIG. 4 is a block diagram of the GNSS receiver shown in FIG. 2.

Fig. 5 is a schematic structural view of a portion a in fig. 2.

Fig. 6 is a schematic structural view of a mounting bracket in embodiment 1.

The names of the parts indicated by the numerical references in the drawings are as follows:

110. a hemispherical upper cover; 111. a first connection portion; 120. a GNSS receiver mounting cartridge; 121. a second connecting portion; 122. a third connecting portion; 130. a receiver body; 140. a water storage cylinder; 141. an expansion section; 150. a water pipe; 210. an antenna; 220. mounting a plate; 230. a GNSS receiver; 231. a fixing plate; 240. a corrosion-resistant layer; 310. mounting a through hole; 320. a screw hole; 410. a through hole of the fixing plate; 420. a bolt; 510. a first annular groove; 520. a second annular groove; 530. a rubber pad; 610. mounting a bracket; 620. a support table; 630. a support leg; 640. a laser range finder; 650. a level gauge.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1 to 6, the present embodiment provides a tool for accurately measuring the height of a GNSS receiver instrument, including a receiver body 130 and a mounting bracket 610 for mounting the receiver body 130, where the mounting bracket 610 includes a supporting base 620 and a supporting leg 630 disposed below the supporting base 620 and fixedly connected to the supporting base 620, a laser range finder 640 is fixed to the bottom surface of the supporting base 620, a level 650 is disposed at an edge of an upper end surface of the supporting base 620, the receiver body 130 includes a hemispherical upper cover 110, an antenna 210 is disposed in the hemispherical upper cover 110, a GNSS receiver mounting cylinder 120 is disposed at a bottom end of the hemispherical upper cover 110, and a top end portion of the GNSS receiver mounting cylinder 120 is fixedly connected to the supporting base 620; the bottom end surface of the hemispherical upper cover 110 is expanded outwards along the circumferential direction to form a first connecting part 111, the upper end part of the GNSS receiver mounting barrel 120 is expanded outwards along the circumferential direction to form a second connecting part 121, the first connecting part 111 is connected with the second connecting part 121 through a bolt, a mounting plate 220 positioned below the second connecting part 121 is arranged in the GNSS receiver mounting barrel 120, a mounting through hole 310 is arranged at the center of the mounting plate 220, a GNSS receiver 230 in clearance fit with the mounting through hole 310 is arranged in the mounting through hole 310, screw holes 320 are arranged at two ends of the mounting plate 220 positioned in the mounting through hole 310, a fixing plate 231 for limiting the GNSS receiver 230 is arranged at the upper end part of the GNSS receiver 230, a fixing plate through hole 410 matched with the screw hole 320 is arranged on the fixing plate 231, and a bolt 420 which passes through the fixing plate through hole 410 and is; the outer side of the GNSS receiver mounting barrel 120 is sleeved with a water storage cylinder 140 with an opening vertically arranged upwards, the bottom end of the water storage cylinder 140 is fixed on the outer side wall of the bottom end of the GNSS receiver mounting barrel 120, the height of the opening at the upper end of the water storage cylinder 140 is lower than that of the second connecting part 121, and the radius of the water storage cylinder 140 is larger than that of the first connecting part 111 and the second connecting part 121.

Through the arrangement of the mounting bracket 610 in the embodiment, before measurement in the field, the mounting bracket 610 can be placed on the ground in the field, then the receiver body 130 is mounted on the mounting bracket 610, then the position of the supporting leg 630 is adjusted, and when the level 650 is horizontal, the height of the supporting platform 620 from the ground is measured by using the laser range finder 640; the height of the ground is then measured by the GNSS receiver 230, and the actual height of the ground is obtained by subtracting the height of the support table 620 from the ground and the heights of the support table 620 and the receiver body 130 from the value measured by the GNSS receiver 230. The tool for accurately measuring the height of the GNSS receiver instrument in the embodiment can accurately realize the measurement of the ground elevation. Receiving the arrangement of the hemispherical upper cover 110, the GNSS receiver mounting barrel 120 and the GNSS receiver 230 in the body 130, when the GNSS receiver 230 is mounted, the hemispherical upper cover 110 can be removed from the upper end of the GNSS receiver mounting barrel 120, the GNSS receiver 230 can be placed in the mounting through hole 310 of the mounting plate 220, and then the bolt 420 can be screwed into the screw hole 320 through the fixing plate through hole 410 to fix the GNSS receiver 230; when the GNSS receiver 230 is removed, the hemispherical upper cover 110 is removed from the upper end of the GNSS receiver mounting tube 120, and then the GNSS receiver 230 can be removed from the GNSS receiver mounting tube 120 by unscrewing the bolts 420 on the GNSS receiver 230. The installation and the disassembly of the receiver body 130 are conveniently completed, and the GNSS receiver 230 does not contact with the antenna during the disassembly, so that the installation precision and the measurement precision of the antenna 210 are ensured; meanwhile, when the GNSS receiver 230 is installed in the GNSS receiver installation cylinder 120, the inside of the GNSS receiver installation cylinder 120 is in a sealed state, so that external rainwater or dust and the like are prevented from entering the inside of the GNSS receiver installation cylinder 120 to interfere with the normal operation of the GNSS receiver 230. Due to the arrangement of the water storage cylinder 140, external rainwater can be collected in the water storage cylinder 140, and heat generated by the GNSS receiver 230 during operation can be absorbed by evaporation of water flow in the water storage cylinder 140, so that the GNSS receiver 230 is cooled by a simple structure.

In this embodiment, a first annular groove 510 is disposed on the bottom surface of the first connecting portion 111, a second annular groove 520 is disposed on the bottom surface of the second connecting portion 121, the first annular groove 510 and the second annular groove 520 are disposed opposite to each other, and a rubber pad 530 is disposed between the first annular groove 510 and the second annular groove 520.

Through the arrangement of the rubber pad 530 in the embodiment, the tightness of the connection between the hemispherical upper cover 110 and the GNSS receiver mounting barrel 120 can be further improved, so that the waterproof and dustproof effects of the tool for accurately measuring the height of the GNSS receiver instrument are improved.

In this embodiment, the upper end of the water storage cylinder 140 is expanded outward along the circumferential direction to form an expanded portion 141.

Through the arrangement of the expansion portion 141 in the embodiment, the sectional area of the upper end portion of the water storage cylinder 140 can be increased, so that rainwater can be collected conveniently, the evaporation speed of water stored in the water storage cylinder 140 can be increased, and the cooling effect on the GNSS receiver 230 is improved.

In this embodiment, the corrosion-resistant layer 240 is disposed on the outer sidewall of the GNSS receiver installation barrel 120 and the sidewall inside the water storage cylinder 140.

Through the arrangement of the corrosion-resistant layer 240 in the embodiment, the outer side wall of the GNSS receiver installation barrel 120 and the inner wall of the water storage cylinder 140 can be prevented from being corroded by rainwater, so that the service life of the tool for accurately measuring the height of the GNSS receiver instrument is prolonged.

In this embodiment, the upper end of the expanding portion 141 is fixedly connected to a water pipe 150, and one end of the water pipe 150 extends into the water storage cylinder 140.

Through the setting of water pipe 150 in this embodiment, can make the user in high temperature arid season through be connected the bottom of water pipe 150 with the water pump with rivers pump in water storage drum 140 to the stability of this instrument of accurate measurement GNSS receiver instrument height when using in adverse circumstances has been promoted.

In this embodiment, the outer sidewall of the bottom end of the GNSS receiver mounting barrel 120 is expanded outward along the circumferential direction to form the third connecting portion 122, and the third connecting portion 122 is bolted to the support platform 620.

Through the bolt connection between the GNSS receiver mounting barrel 120 and the support table 620 in this embodiment, the receiver body 130 can be mounted on the mounting bracket 610 more conveniently.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. Tool for accurately measuring the height of a GNSS receiver instrument, comprising a receiver body (130) and a mounting bracket (610) for mounting the receiver body (130), characterized in that: the mounting support (610) comprises a supporting table (620) and supporting legs (630) which are arranged below the supporting table (620) and fixedly connected with the supporting table (620), a laser range finder (640) is fixed on the bottom surface of the supporting table (620), a level meter (650) is arranged at the edge of the upper end surface of the supporting table (620), the receiver body (130) comprises a hemispherical upper cover (110), an antenna (210) is arranged in the hemispherical upper cover (110), a GNSS receiver mounting cylinder (120) is arranged at the bottom end of the hemispherical upper cover (110), and the top end of the GNSS receiver mounting cylinder (120) is fixedly connected with the supporting table (620); the bottom end surface of the hemispherical upper cover (110) is outwards expanded along the circumferential direction to form a first connecting part (111), the upper end part of the GNSS receiver mounting cylinder (120) is outwards expanded along the circumferential direction to form a second connecting part (121), the first connecting part (111) is connected with the second connecting part (121) through bolts, a mounting plate (220) positioned below the second connecting part (121) is arranged in the GNSS receiver mounting cylinder (120), a mounting through hole (310) is arranged at the center of the mounting plate (220), a GNSS receiver (230) in clearance fit with the mounting through hole (310) is arranged in the mounting through hole (310), screw holes (320) are arranged at two ends of the mounting plate (220) positioned at the mounting through hole (310), a fixing plate (231) used for limiting the GNSS receiver (230) is arranged at the upper end part of the GNSS receiver (230), and a fixing plate through hole (410) matched with the screw holes (320) is arranged on the, the fixing plate (231) is provided with a bolt (420) which passes through the fixing plate through hole (410) and is matched with the screw hole (320); the outside of the GNSS receiver installation barrel (120) is sleeved with a water storage cylinder (140) with an opening vertically upwards, the bottom end of the water storage cylinder (140) is fixed on the outer side wall of the bottom end of the GNSS receiver installation barrel (120), the height of the opening at the upper end of the water storage cylinder (140) is lower than that of the second connecting part (121), and the radius of the water storage cylinder (140) is larger than that of the first connecting part (111) and the second connecting part (121).

2. The tool for accurately measuring the height of a GNSS receiver instrument of claim 1, wherein: a first annular groove (510) is formed in the bottom end face of the first connecting portion (111), a second annular groove (520) is formed in the bottom end face of the second connecting portion (121), the first annular groove (510) and the second annular groove (520) are arranged in a vertical opposite mode, and a rubber pad (530) is arranged between the first annular groove (510) and the second annular groove (520).

3. The tool for accurately measuring the height of a GNSS receiver instrument of claim 1, wherein: the upper end of the water storage cylinder (140) is expanded outwards along the circumferential direction to form an expansion part (141).

4. The tool for accurately measuring the height of a GNSS receiver instrument of claim 1, wherein: the outer side wall of the GNSS receiver mounting barrel (120) and the inner side wall of the water storage barrel (140) are both provided with corrosion-resistant layers (240).

5. The tool for accurately measuring the height of a GNSS receiver instrument according to claim 3, characterized in that: the upper end part of the expansion part (141) is fixedly connected with a water pipe (150), and one end of the water pipe (150) extends into the water storage cylinder (140).

6. The tool for accurately measuring the height of a GNSS receiver instrument of claim 1, wherein: the outer side wall of the bottom end part of the GNSS receiver mounting cylinder (120) expands outwards along the circumferential direction to form a third connecting part (122), and the third connecting part (122) is connected with the support platform (620) through bolts.