Underground drainage pipeline inner bottom elevation measuring device

Abstract

The utility model relates to the technical field of underground drainage pipelines, and discloses an underground drainage pipeline inner bottom elevation measuring device which comprises a drainage assembly and a measuring assembly used for measuring the drainage assembly, the measuring assembly comprises a GNSS RTK receiver, the lower bottom face of the GNSS RTK receiver is fixedly connected with a vertical rod A, the lower end of the vertical rod A is provided with a pipe sleeve A, and the lower end of the vertical rod A is provided with a pipe sleeve B; a vertical rod B is slidably connected to the surface of the inner side of the vertical rod A, a pipe sleeve B is arranged at the lower end of the vertical rod B, an extension rod is slidably connected to the surface of the inner side of the pipe sleeve B, a horizontal rod is installed on one side of the extension rod, two sets of laser range finders are symmetrically installed on the horizontal rod, and a mounting plate is fixedly connected to the outer surface of the GNSS RTK receiver. According to the buried depth of the drainage pipeline to be measured, the pipe sleeve A and the pipe sleeve B are selected to be rotated, and the vertical rod B and the extension rod are pulled out, so that the vertical rod B and the extension rod are adjusted to a proper length to facilitate measurement operation.

Description

Technical Field

[0001] The utility model relates to the technical field of underground drainage pipelines, in particular to an underground drainage pipeline intermolecular elevation measuring device. Background Art

[0002] Underground pipes are pipes laid underground to transport liquids, gases or loose solids. In ancient China, underground drainage pipes made of fired clay were already used. In the Ming Dynasty, when Beijing was built as the capital, bricks and stone strips were used to build underground drainage pipes. They were about 1 meter wide and 2 meters high.

[0003] Chinese patent document CN212747771U discloses an underground drainage pipeline inner bottom elevation measuring device, including an L-shaped rod frame, a GNSS RTK receiver is installed on the upper end of the L-shaped rod frame, a probe rod and a laser rangefinder are fixedly connected to the right end of the L-shaped rod frame, the laser rangefinder is horizontally arranged and perpendicular to the horizontal rod of the L-shaped rod frame, a laser head is arranged at each end, the probe rod is vertically arranged, a calibration plate perpendicular to the vertical rod of the L-shaped rod frame is mounted on the vertical rod, and a circular level bubble is embedded on the calibration plate; the GNSS RTK receiver and the laser rangefinder are connected to a mobile processing terminal via a wireless network. The utility model adopts an L-shaped rod frame to carry a laser rangefinder and a probe to measure the three-point data of the inner circle of the pipeline, and then obtains the inner bottom elevation of the underground drainage pipeline without going down into the well. The utility model is easy to operate, convenient to measure, safe and environmentally friendly, and has high measurement accuracy. It can conveniently, quickly, safely and accurately obtain the inner bottom elevation of the underground drainage pipeline. However, before each measurement, the measuring device needs to select a suitable vertical rod according to the buried depth of the pipeline, and then install it together with the connecting rod and the fixing rod for use. When the depths of the pipelines to be tested are different, it is necessary to replace different suitable vertical rods for measurement, which is troublesome and inconvenient to carry out the measurement work quickly. Utility Model Content

[0004] The utility model aims to solve the problem that the existing cooking equipment measuring device needs to select a suitable vertical rod according to the buried depth of the pipeline before each measurement, and then install it together with the connecting rod and the fixing rod for use. When the depths of the pipelines to be tested are different, it is necessary to replace the suitable vertical rod for measurement, which is troublesome and inconvenient to carry out the measurement work quickly. Therefore, an underground drainage pipeline inner bottom elevation measuring device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an underground drainage pipeline inner bottom elevation measuring device, including a drainage component and a measuring component used to measure the drainage component, the measuring component including a GNSSRTK receiver, a vertical rod A is fixedly connected to the bottom surface of the GNSS RTK receiver, a pipe sleeve A is arranged at the lower end of the vertical rod A, a vertical rod B is slidably connected to the inner surface of the vertical rod A, a pipe sleeve B is arranged at the lower end of the vertical rod B, an extension rod is slidably connected to the inner surface of the pipe sleeve B, a horizontal rod is installed on one side of the extension rod, a laser rangefinder is installed on the horizontal rod, two groups of laser rangefinders are arranged and symmetrically installed, and a mounting plate is fixedly connected to the outer surface of the GNSS RTK receiver.

[0006] Preferably, the drainage assembly includes a drainage pipeline inspection well, and one side of the drainage pipeline inspection well is connected to a drainage pipeline;

[0007] The object to be detected.

[0008] Preferably, the vertical rod A is provided with a thread A, the pipe sleeve A is provided with a thread groove A, and the outer surface of the thread A is threadedly connected to the thread groove A;

[0009] Used to conveniently rotate the pipe sleeve A to lock or loosen the vertical rod A.

[0010] Preferably, the vertical rod B is provided with a scale mark A, the vertical rod B is provided with a thread B, the pipe sleeve B is provided with a thread groove B, and the outer surface of the thread B is threadedly connected to the thread groove B;

[0011] It is used to conveniently rotate the pipe sleeve B to lock or loosen the vertical rod B.

[0012] Preferably, a scale mark B is provided on the extension rod, a mounting groove is provided at one end of the extension rod, a connecting column is fixedly connected to one end of the horizontal rod, and the outer surface of the connecting column is threadedly connected to the mounting groove;

[0013] It is used to observe the extended length of the extension rod at any time and conveniently install the horizontal rod on the extension rod.

[0014] Preferably, a level is fixedly connected to one end of the upper surface of the mounting plate, a spherical column is fixedly connected to the other end of the upper surface of the mounting plate, and a recording board is movably connected to the upper end of the spherical column;

[0015] It is used to observe whether the entire measuring device is in a horizontal state and facilitate the measurement personnel to record data.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model proposes an underground drainage pipeline inner bottom elevation measuring device. By setting a measuring component, according to the buried depth of the drainage pipeline to be measured, the pipe sleeve A and the pipe sleeve B are selected to rotate, and the vertical rod B and the extension rod are pulled out, so as to adjust them to a suitable length for convenient measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an underground drainage pipeline inner bottom elevation measurement device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of a measuring assembly of an underground drainage pipeline inner bottom elevation measuring device proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the overall structure of all vertical rods of an underground drainage pipeline inner bottom elevation measuring device proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the overall structure of a horizontal rod of an underground drainage pipeline inner bottom elevation measuring device proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the overall structure of a mounting plate of an underground drainage pipeline inner bottom elevation measuring device proposed by the utility model;

[0023] Legend:

[0024] 1. Drainage assembly; 11. Drainage pipeline inspection well; 12. Drainage pipeline; 2. Measurement assembly; 21. GNSS RTK receiver; 22. Vertical rod A; 221. Thread A; 23. Pipe sleeve A; 231. Thread groove A; 24. Vertical rod B; 241. Scale line A; 242. Thread B; 25. Pipe sleeve B; 251. Thread groove B; 26. Extension rod; 261. Scale line B; 262. Mounting groove; 27. Horizontal rod; 271. Connecting column; 28. Laser rangefinder; 29. ​​Mounting plate; 291. Level; 292. Spherical column; 293. Recording board. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Reference Figure 1-5 The utility model provides an embodiment: an underground drainage pipeline inner bottom elevation measurement device, comprising a drainage component 1 and a measurement component 2 for measuring the drainage component 1, wherein the measurement component 2 comprises a GNSS RTK receiver 21 for receiving a signal transmitted by a laser rangefinder 28, wherein a vertical rod A22 is fixedly connected to the bottom surface of the GNSS RTK receiver 21, wherein a sleeve A23 is arranged at the lower end of the vertical rod A22, wherein the vertical rod A22 is loosened or locked, and a vertical rod B24 is slidably connected to the inner surface of the vertical rod A22, wherein a sleeve B25 is arranged at the lower end of the vertical rod B24, wherein the vertical rod B24 is loosened or locked, and an extension rod 26 is slidably connected to the inner surface of the sleeve B25, thereby increasing the overall length of the measurement device, wherein a horizontal rod 27 is installed on one side of the extension rod 26, and the horizontal rod 27 is extended into the drainage pipeline 12 for convenient measurement, wherein a laser rangefinder 28 is installed on the horizontal rod 27 for measuring the drainage pipeline 12, wherein two groups of laser rangefinders 28 are arranged and symmetrically installed, and the GNSS A mounting plate 29 is fixedly connected to the outer surface of the RTK receiver 21 to facilitate the installation of some auxiliary tools.

[0028] The drainage assembly 1 includes a drainage pipeline inspection well 11, one side of the drainage pipeline inspection well 11 is connected to a drainage pipeline 12, a thread A221 is provided on the vertical rod A22, a thread groove A231 is provided on the pipe sleeve A23, the outer surface of the thread A221 is threadedly connected to the thread groove A231, and the pipe sleeve A23 is conveniently installed on the vertical rod A22, and the vertical rod A22 is locked, a scale line A241 is provided on the vertical rod B24, and it is convenient for the inspection personnel to run through the extended length of the vertical rod B24 at any time, a thread B242 is provided on the vertical rod B24, and a thread groove B251 is provided on the pipe sleeve B25, and the outer surface of the thread B242 is threadedly connected to the thread groove B251, and the pipe sleeve is conveniently installed on the vertical rod A22. B25 is installed on the vertical rod B24 and locked. A scale line B261 is set on the extension rod 26, which is convenient for the measurement personnel to observe the extended length of the extension rod 26 at any time. A mounting groove 262 is opened at one end of the extension rod 26. A connecting column 271 is fixedly connected to one end of the horizontal rod 27. The outer surface of the connecting column 271 is threadedly connected to the mounting groove 262, which is convenient for the horizontal rod 27 to be installed on the extension rod 26. A level 291 is fixedly connected to one end of the upper surface of the mounting plate 29 to observe whether the measuring device is in a horizontal state at any time. A spherical column 292 is fixedly connected to the other end of the upper surface of the mounting plate 29, and a recording board 293 is movably connected to the upper end of the spherical column 292, which is convenient for the measurement personnel to record data.

[0029] Working principle: first remove the manhole cover to measure the depth of the drainage pipeline inspection well 11, then quickly rotate the horizontal rod 27 and install it on the extension rod 26, then rotate the pipe sleeve B25 and the pipe sleeve A23 in turn as needed, pull out the extension rod 26 from the vertical rod B24, and also pull out the vertical rod B24 from the vertical rod A22, and observe the scale lines A241 and B261 at any time to see if they have been adjusted to the appropriate length. After adjusting to the appropriate length, grab the vertical rod A21 with your hand, put the entire measuring assembly 2 into the drainage pipeline inspection well 11, and measure the data through the laser rangefinder 28, and then transmit the data to the GNSS RTK receiver 21, and then the staff records the corresponding data.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An underground drainage pipeline invert elevation measuring device, comprising a drainage component (1) and a measuring component (2) for measuring the drainage component (1), characterized in that: The measuring assembly (2) comprises a GNSS RTK receiver (21), wherein a vertical rod A (22) is fixedly connected to the bottom surface of the GNSS RTK receiver (21), a pipe sleeve A (23) is arranged at the lower end of the vertical rod A (22), a vertical rod B (24) is slidably connected to the inner surface of the vertical rod A (22), a pipe sleeve B (25) is arranged at the lower end of the vertical rod B (24), an extension rod (26) is slidably connected to the inner surface of the pipe sleeve B (25), a horizontal rod (27) is installed on one side of the extension rod (26), a laser rangefinder (28) is installed on the horizontal rod (27), two groups of laser rangefinders (28) are arranged and symmetrically installed, and a mounting plate (29) is fixedly connected to the outer surface of the GNSS RTK receiver (21).

2. The device for measuring the inverted bottom elevation of an underground drainage pipeline according to claim 1, characterized in that: The drainage assembly (1) comprises a drainage pipeline inspection well (11), and one side of the drainage pipeline inspection well (11) is connected to a drainage pipeline (12).

3. The device for measuring the invert elevation of an underground drainage pipeline according to claim 1, characterized in that: The vertical rod A (22) is provided with a thread A (221), the pipe sleeve A (23) is provided with a thread groove A (231), and the outer surface of the thread A (221) is threadedly connected to the thread groove A (231).

4. The device for measuring the invert elevation of an underground drainage pipeline according to claim 1, characterized in that: The vertical rod B (24) is provided with a scale mark A (241), the vertical rod B (24) is provided with a thread B (242), the pipe sleeve B (25) is provided with a thread groove B (251), and the outer surface of the thread B (242) is threadedly connected to the thread groove B (251).

5. The device for measuring the invert elevation of an underground drainage pipeline according to claim 1, characterized in that: The extension rod (26) is provided with a scale mark B (261), one end of the extension rod (26) is provided with a mounting groove (262), one end of the horizontal rod (27) is fixedly connected with a connecting column (271), and the outer surface of the connecting column (271) is threadedly connected to the mounting groove (262).

6. The device for measuring the invert elevation of an underground drainage pipeline according to claim 1, characterized in that: A level meter (291) is fixedly connected to one end of the upper surface of the mounting plate (29), a spherical column (292) is fixedly connected to the other end of the upper surface of the mounting plate (29), and a recording plate (293) is movably connected to the upper end of the spherical column (292).

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