Tool for accurately measuring height of GNSS receiver instrument

Abstract

The utility model discloses a tool for accurately measuring the height of a GNSS (Global Navigation Satellite System) receiver, which comprises a GNSS receiver, the bottom end of the GNSS receiver is spirally connected with a middle rod, the two sides of the middle rod are provided with side rods, the center of each side rod is provided with a sliding sleeve, the outer side of the lower end of each side rod is fixedly provided with a stable insertion rod, the inner side of a fixing piece is rotatably provided with a belt roller, and the fixing piece is provided with a sliding sleeve. The GNSS receiver and the top of the middle rod are screwed to complete assembly, the side rod and the stable insertion rod are inserted into the land to complete device positioning and installation, the clamping block slides to enable the flexible rule belt to fall downwards under the driving of the balancing weight, the crank is rocked to adjust the needed scale, and then the relative position of the middle rod and the sliding sleeve is adjusted. According to the device, the height of the GNSS receiver can be accurately adjusted, the height of an existing instrument can be measured through the flexible rule belt, and the device is simple in structure, easy and convenient to install and debug and easy to quickly and familiar to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of GNSS installation technology, specifically, relate to the tool of accurate measurement GNSS receiver instrument height. BACKGROUND

[0002] GNSS receiver, namely global navigation satellite system receiver, is a kind of equipment for receiving, tracking, processing and measuring global navigation satellite system (GNSS) signal. This system can receive signals from multiple satellite systems around the world, such as GPS of the United States, GLONASS of Russia, Galileo of Europe and Beidou satellite navigation system of China. Main functions include receiving satellite signals, extracting navigation text and pseudorange measurement, and processing navigation text and calculating positioning results.

[0003] At present, GNSS receiver is widely used in topographic survey, engineering construction, navigation positioning and other fields. In these applications, it is crucial to accurately measure the height of the receiver. However, the existing measurement methods often rely on manual measurement or inaccurate automated equipment, resulting in measurement errors.

[0004] In the patent with publication number CN 211696352 U, a tool for accurately measuring the height of GNSS receiver instrument is disclosed, which includes a receiver body and a support. The installation support includes a support table and a support leg. The bottom surface of the support table is fixed with a laser range finder, and the upper end surface edge of the support table is provided with a level. The receiver body includes a hemispherical cover, and the bottom end of the hemispherical cover is provided with a GNSS receiver mounting cylinder. The GNSS receiver mounting cylinder is provided with an installation plate, and the center of the installation plate is provided with an installation through hole. The installation through hole is provided with a GNSS receiver which is gap-fitted with the installation through hole. The two ends of the installation through hole on the installation plate are provided with screw holes. The upper end of the GNSS receiver is provided with a fixing plate for limiting the GNSS receiver. The fixing plate is provided with a fixing plate through hole which is matched with the screw hole. The fixing plate is provided with a bolt which passes through the fixing plate through hole and cooperates with the screw hole. The utility model more accurately realizes the measurement of ground elevation.

[0005] The above device has a complex structure, and it takes a long time to install and debug. After the instrument measures the elevation, calculation is needed, and the process is relatively cumbersome.

[0006] For the problems in the related technology, there is no effective solution at present. UTILITY MODEL CONTENT

[0007] For the problems in the related technology, the utility model proposes a tool for accurately measuring the height of GNSS receiver instrument to overcome the above technical problems existing in the prior art.

[0008] To this end, the specific technical scheme adopted by the utility model is as follows:

[0009] The utility model provides a tool for accurately measuring the height of GNSS receiver instrument, which comprises a GNSS receiver, a middle rod screw-connected to the bottom end of the GNSS receiver, side rods provided on the two sides of the middle rod, a sliding sleeve provided in the middle of the side rods, a stabilizing insertion rod fixedly installed on the outer side of the lower end of the side rods, a fixing piece fixedly installed on the upper side of the rear end of the middle rod, a roller rotatably installed on the inner side of the fixing piece, and a flexible ruler belt installed on the inner side of the roller.

[0010] As a further scheme of the utility model, a sliding groove is provided on the inner side of the middle rod, and a sliding block is fixedly installed on the upper end of the side rod and slidably connected with the inner wall of the sliding groove of the middle rod.

[0011] As a further scheme of the utility model, a fixed block is fixedly connected to the outer side of the sliding sleeve and fixedly connected with the side rod.

[0012] As a further scheme of the utility model, a screw hole is provided on the inner side of the sliding sleeve, and a fastening bolt is screw-connected to the inner side of the sliding sleeve and slidably connected with the middle rod.

[0013] As a further scheme of the utility model, the stabilizing insertion rod is horizontally arranged and symmetrically arranged left and right.

[0014] As a further scheme of the utility model, a crank handle is fixedly installed on the front end of the roller, a counterweight block is fixedly connected to the bottom end of the flexible ruler belt, and a scale is provided on the flexible ruler belt.

[0015] As a further scheme of the utility model, a clamping block is slidably installed on the inner side of the fixing piece, the clamping block is clamped with the outer edge of the roller, and a spring is installed between the clamping block and the fixing piece.

[0016] The utility model has the advantages that:

[0017] The utility model has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is the overall structure schematic diagram of the tool for accurately measuring the instrument height of the GNSS receiver according to the embodiment of the present application;

[0020] Figure 2 is the installation structure schematic diagram of the soft tape of the tool for accurately measuring the instrument height of the GNSS receiver according to the embodiment of the present application;

[0021] Figure 3 is the installation structure schematic diagram of the side rod and the sliding sleeve of the tool for accurately measuring the instrument height of the GNSS receiver according to the embodiment of the present application; Figure 2 is the structure schematic diagram of the A place of the tool for accurately measuring the instrument height of the GNSS receiver;

[0022] Figure 4 is the installation structure schematic diagram of the side rod and the sliding sleeve of the tool for accurately measuring the instrument height of the GNSS receiver according to the embodiment of the present application;

[0023] Figure 5 is the overall structure schematic diagram of the sliding sleeve of the tool for accurately measuring the instrument height of the GNSS receiver according to the embodiment of the present application.

[0024] In the drawings:

[0025] 1, GNSS receiver;2, middle rod;3, side rod;4, sliding block;5, fixed block;6, sliding sleeve;7, fastening bolt;8, stabilizing insertion rod;9, fixing piece;10, tape roller;11, crank;12, soft tape;13, clamping block. DETAILED DESCRIPTION

[0026] In order to further illustrate the embodiments, the present application provides drawings which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can explain the operation principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0027] According to the embodiment of the present application, a tool for accurately measuring the instrument height of the GNSS receiver is provided.

[0028] Please refer to the drawings in the specification Figures 1-5The utility model discloses a tool for accurately measuring the height of GNSS receiver instrument, which comprises a GNSS receiver 1, a middle rod 2 connected to the bottom of the GNSS receiver 1, side rods 3 arranged on both sides of the middle rod 2, a sliding sleeve 6 arranged in the center of the side rods 3, a stabilizing insertion rod 8 fixedly installed on the lower end of the side rods 3, a fixing piece 9 fixedly installed on the upper side of the rear end of the middle rod 2, a belt roller 10 rotatably installed on the inner side of the fixing piece 9, and a flexible tape 12 installed on the inner side of the belt roller 10.

[0029] When the device is used, the GNSS receiver 1 is screwed with the screw rod at the top of the middle rod 2 to complete the assembly, the side rods 3 and the bottom of the stabilizing insertion rod 8 are inserted into the ground to complete the positioning of the device, the sliding block 13 is separated from the belt roller 10, the flexible tape 12 falls downward under the driving of the counterweight, the belt roller 10 is rotated by shaking the handle 11, the length of the flexible tape 12 is adjusted to the required length by the belt roller 10, the relative position of the middle rod 2 and the sliding sleeve 6 is adjusted by observation of the scale, and the bottom of the flexible tape 12 contacts the ground and remains vertical until the height of the GNSS receiver 1 is accurately adjusted and the height of the existing instrument is measured by the flexible tape 12. The device has a simple structure, is easy to install and debug, and is easy to quickly familiarize and use.

[0030] In an embodiment, please refer to the drawings attached to the specification Figures 1-5 As a further scheme of the utility model, the inner side of the middle rod 2 is provided with a sliding groove, the upper end of the side rod 3 is fixedly installed with a sliding block 4, and the sliding block 4 is in sliding connection with the inner wall of the sliding groove of the middle rod 2.

[0031] So that the middle rod 2 and the side rod 3 remain relatively stable.

[0032] In another embodiment, please refer to the drawings attached to the specification Figures 1-5 As a further scheme of the utility model, the outer side of the sliding sleeve 6 is fixedly connected with a fixing block 5, and the fixing block 5 is fixedly connected with the side rod 3.

[0033] So that the sliding sleeve 6 is fixed between the side rods 3 and in sliding connection with the middle rod 2.

[0034] In an embodiment, please refer to the drawings attached to the specification Figures 1-5 As a further scheme of the utility model, the inner side of the sliding sleeve 6 is provided with a screw hole, the inner side of the sliding sleeve 6 is screw-connected with a fastening bolt 7, and the fastening bolt 7 is in sliding connection with the middle rod 2.

[0035] The fastening bolt 7 can be screwed to position the middle rod 2 in the sliding sleeve 6.

[0036] In another embodiment, please refer to the drawings attached to the specification Figures 1-5As a further scheme of the present application, the stable inserting rod 8 is horizontally arranged, and the stable inserting rod 8 is symmetrically arranged.

[0037] The stable inserting rod 8 can provide more contact area with the ground, so that the device can be kept vertically stable.

[0038] In an embodiment, refer to the drawings Figures 1-5 As a further scheme of the present application, the front end of the tape roller 10 is fixedly installed with a handle 11, the bottom end of the flexible tape 12 is fixedly connected with a counterweight, and the flexible tape 12 is provided with scales.

[0039] The height of the GNSS receiver can be quickly obtained through the flexible tape 12.

[0040] In another embodiment, refer to the drawings Figures 1-5 As a further scheme of the present application, the inner side of the fixing member 9 is slidably installed with a clamping block 13, the clamping block 13 is clamped with the outer edge of the tape roller 10, and a spring is installed between the clamping block 13 and the fixing member 9.

[0041] The clamping block 13 can be automatically pressed down through the spring, and the clamping block 13 positions the tape roller 10.

[0042] In use, the GNSS receiver 1 is screwed with the lead screw at the top of the middle rod 2 to complete the assembly, the side rod 3 and the bottom of the stable inserting rod 8 are inserted into the ground to complete the positioning of the device, the clamping block 13 is separated from the tape roller 10, the flexible tape 12 is vertically dropped under the driving of the counterweight, the tape roller 10 is rotated by shaking the handle 11, the flexible tape 12 is adjusted to the required length through the tape roller 10, the relative position of the middle rod 2 and the sliding sleeve 6 is adjusted through the scales, until the bottom of the flexible tape 12 contacts the ground and is kept vertical, the device can accurately adjust the height of the GNSS receiver 1 and measure the height of the existing instrument through the flexible tape 12, the device has simple structure, easy installation and adjustment, and is easy to quickly and familiarly use.

[0043] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A means for accurately measuring the instrument height of a GNSS receiver, comprising a GNSS receiver (1), characterized in that: The bottom of the GNSS receiver (1) is screw-connected with a middle rod (2), both sides of the middle rod (2) are provided with side rods (3), the center of the side rod (3) is provided with a sliding sleeve (6), the lower end of the side rod (3) is fixedly installed with a stable insertion rod (8) outside, the rear end of the middle rod (2) is fixedly installed with a fixing piece (9) on the upper side, the inner side of the fixing piece (9) is rotatably installed with a belt roller (10), the inner side of the belt roller (10) is installed with a soft ruler belt (12).

2. The tool for accurately measuring the instrument height of a GNSS receiver according to claim 1, characterized in that: The inner side of the middle rod (2) is provided with a sliding groove, the upper end of the side rod (3) is fixedly installed with a sliding block (4), and the sliding block (4) is slidably connected with the inner wall of the sliding groove of the middle rod (2).

3. The tool for accurately measuring the instrument height of a GNSS receiver of claim 1, wherein: The outer side of the sliding sleeve (6) is fixedly connected with a fixed block (5), and the fixed block (5) is fixedly connected with the side rod (3).

4. The tool for accurately measuring instrument height of a GNSS receiver of claim 1, wherein: The inner side of the sliding sleeve (6) is provided with a thread hole, and the inner side of the sliding sleeve (6) is screw-connected with a fastening bolt (7), and the fastening bolt (7) is slidably connected with the middle rod (2).

5. The tool for accurately measuring instrument height of a GNSS receiver of claim 1, wherein: The stable insertion rod (8) is horizontally arranged, and the stable insertion rod (8) is symmetrically arranged left and right.

6. The tool for accurately measuring instrument height of a GNSS receiver of claim 1, wherein: The front end of the belt roller (10) is fixedly installed with a crank (11), the bottom end of the soft ruler belt (12) is fixedly connected with a counterweight, and the soft ruler belt (12) is provided with a scale.

7. The tool for accurately measuring instrument height of a GNSS receiver of claim 1, wherein: The inner side of the fixing piece (9) is slidably installed with a clamping block (13), the clamping block (13) is clamped with the outer edge of the belt roller (10), and the clamping block (13) and the fixing piece (9) are installed with a spring.

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