A conductor line surveying device

By designing a UAV-borne conductor surveying device that is fixed to the ground using a connector for data collection, the problem of bulky and labor-intensive surveying devices in existing technologies has been solved, achieving efficient and convenient conductor surveying.

CN117109525BActive Publication Date: 2026-08-25HENAN FEICHUANG ELECTRIC POWER SURVEY & DESIGN CO LTD
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Patent Information

Application Number
CN202311098897.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-30
Publication Date
2026-08-25
Estimated Expiration
2043-08-30

AI Technical Summary

Technical Problem

Existing conductor surveying equipment is labor-intensive in complex terrain, cannot collect comprehensive geographical data, and is bulky and inconvenient to carry.

Method used

Design a conductor line surveying device that includes a housing, a detection component, an air supply component, and a sealing cover component. The device is carried to the measurement point by a drone and fixed to the ground by a connecting seat. Data is collected by combining an altitude detection module, a positioning module, and a communication module, thereby reducing labor intensity.

Benefits of technology

It enables drone-assisted surveying, reduces labor intensity, can collect data such as the length and slope of the conductor line with high precision, and is easy to maintain.

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Abstract

The application discloses a kind of wire line surveying devices, it is related to line surveying technical field, including: accommodating seat, the accommodating seat top is provided with installation component, the installation component is used to install accommodating seat on unmanned aerial vehicle;Rectangular groove, the rectangular groove is opened in accommodating seat inner side wall, multiple detection components are slidably arranged in the rectangular groove;Wherein, the detection component includes: connecting seat, the connecting seat side wall is provided with lug, and lug and rectangular groove east road are connected.This application can be pushed out accommodating seat by gas supply component in one of connecting seat, by the fixed cone of the bottom of connecting seat, so that connecting seat can be fixed on the ground, when connecting seat is fixed, the altitude of the connecting seat is measured by the altitude detection module of the box body inner wall, the specific position of the connecting seat is measured by positioning module, finally the measured data is transported to terminal by communication module, without manpower surveying work, reduce the labor intensity of surveying work.
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Description

Technical Field

[0001] This invention relates to the field of line surveying technology, and in particular to a conductor line surveying device. Background Technology

[0002] Electricity transmission relies on conductors, and the construction of transmission lines needs to be designed based on factors such as the geographical environment through which the transmission lines pass. In order to collect detailed geographical data and facilitate the construction of conductor lines, a conductor line surveying device is needed.

[0003] Chinese patent CN210426545U discloses a route surveying device. The portable water quality monitoring system of this patent includes a laser rangefinder, a pole, a roller, and a dial. The laser rangefinder is hinged to the top of the pole, the roller is installed on the side of the pole, the roller has a groove around the wheel, and the dial is installed on the side of the roller shaft away from the pole.

[0004] In this technical solution, the surveying method mainly utilizes laser rangefinders and roller ranging principles to survey the traverse route and obtain distance data. However, in actual use, the terrain traversed by the traverse route is quite complex, making it impossible for the surveying team to reach it manually. Moreover, it requires carrying relatively heavy surveying equipment, resulting in high labor intensity and an inability to collect more comprehensive geographical data during the entire surveying process. Summary of the Invention

[0005] The purpose of this invention is to provide a conductor line surveying device to solve the technical problems in the prior art.

[0006] This invention provides a conductor line surveying device, comprising: A housing, the housing having a mounting assembly on its top for mounting the housing onto a drone; A rectangular groove is formed on the inner side wall of the receiving seat, and multiple detection components are slidably arranged in the rectangular groove; The detection component includes: A connecting seat, wherein a protrusion is provided on the side wall of the connecting seat and the protrusion is slidably connected to a rectangular groove, and a sealing ring is provided on the side wall of the connecting seat; Multiple fixed cones are equidistantly arranged at the bottom of the connecting seat; Multiple boxes are provided, each of which is located at the bottom of the connector. Each of the multiple boxes contains an altitude detection module, a positioning module, and a communication module. A solenoid valve is disposed through the side wall of the receiving seat and is located above the connecting seat. A gas supply assembly is connected to an installation assembly and is also connected to a solenoid valve. A sealing cap assembly, wherein the sealing cap assembly is disposed on the side wall of the receiving seat; A connecting shaft is disposed on the inner wall of the top of the receiving seat. The side wall of the connecting shaft has multiple connecting holes, and a fixing component is disposed in each connecting hole. The fixing component is used to fix the connecting seat.

[0007] Preferably, the fixing component includes: Two limiting blocks are slidably disposed in the connecting hole, and the sidewalls of the two limiting blocks are both inclined structures; Two connecting rods are respectively rotatably mounted on the sidewalls of the two limiting blocks; A cavity, which is formed inside the connecting shaft.

[0008] Preferred options also include: A transmission rod is slidably disposed within the cavity, and the transmission rod is rotatably connected to each connecting rod; A first electromagnet is disposed on the inner wall at the bottom of the cavity; A spring is disposed on top of the first electromagnet, and the spring and the transmission rod are fixed together.

[0009] Preferably, the mounting components include: Mounting plate, the top of which is provided with multiple mounting holes; A first electric slide is disposed at the bottom of the mounting plate; The second electric slide is disposed on the moving end of the first electric slide, and the receiving seat is disposed on the moving end of the second electric slide.

[0010] Preferably, the gas supply assembly includes: Two connecting seats, both of which are located at the bottom of the mounting plate; Multiple gas cylinders are connected to two connecting seats respectively, and each gas cylinder is fixed to a mounting plate. Each gas cylinder is filled with high-pressure gas. A connecting pipe, which is connected to two connecting seats; A flexible hose, one end of which is connected to a connecting pipe, and the other end of which is provided with a pipe body, which is connected to each solenoid valve.

[0011] Preferred options also include: A groove, wherein the groove is formed at the bottom of the inner sidewall of a rectangular groove; A rubber sheet, which is slidably disposed on the inner sidewall of the groove; The second electromagnet is disposed on the inner sidewall of the groove; The third electromagnet is disposed on the side wall of the rubber plate.

[0012] Preferably, the sealing cap assembly includes: The cover is a semi-circular structure, and connecting blocks are provided on both side walls of the cover; Two connecting slots are provided on the two side walls of the receiving seat, and the connecting slots are adapted to the connecting block; Multiple first magnets are embedded at equal intervals on the top of the cover; Multiple second magnets are equidistantly embedded on the inner wall of the top of the receiving seat, and the multiple first magnets and multiple second magnets correspond one-to-one.

[0013] Preferred options also include: A sliding groove is formed on the inner wall of the top of the receiving seat, and the connecting shaft and the sliding groove are slidably connected.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) The present invention, through the setting of connecting seat, fixing cone and box, can realize that during use, the device can be brought to the measurement point by drone, and then one of the connecting seats can be pushed out of the receiving seat by the air supply component. The connecting seat can be fixed on the ground by the fixing cone at the bottom of the connecting seat. After the connecting seat is fixed, the altitude of the connecting seat is measured by the altitude detection module on the inner wall of the box, the specific position of the connecting seat is measured by the positioning module, and finally the measured data is transmitted to the terminal by the communication module. No manual surveying work is required, which reduces the labor intensity of surveying work.

[0015] (2) By setting up a connecting shaft, a fixing component and a sealing cover component, the present invention can fix each connecting seat in the receiving seat through the fixing component on the connecting shaft during use. When removing the connecting seat, only the sealing cover component needs to be removed, which facilitates maintenance work. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2This is a schematic diagram of the structure of the first and second electric slides of the present invention; Figure 3 This is a schematic diagram of the structure of the solenoid valve, pipe body, and hose of the present invention; Figure 4 This is an exploded structural diagram of the sealing cap assembly of the present invention; Figure 5 This is a schematic diagram of the connecting seat, box body, and fixing cone structure of the present invention; Figure 6 This is a front view schematic diagram of the receiving seat and connecting shaft of the present invention; Figure 7 This is a schematic diagram of the connecting shaft, connecting hole, and limiting block structure of the present invention; Figure 8 This is a schematic cross-sectional view of the connecting shaft structure of the present invention; Figure 9 This is a schematic diagram of the exploded structure of the second electromagnet, the third electromagnet, and the rubber plate of the present invention.

[0018] Figure label: 1. Mounting plate; 2. First electric slide; 3. Second electric slide; 4. Receiving seat; 5. Gas cylinder; 6. Connecting seat; 7. Connecting pipe; 8. Mounting hole; 9. Cover; 10. Solenoid valve; 11. Pipe body; 12. Hose; 13. First magnet; 14. Second magnet; 15. Connecting seat; 16. Sealing ring; 17. Slide groove; 18. Box body; 19. Fixed cone; 20. Connecting groove; 21. Connecting shaft; 22. Limiting block; 23. Connecting hole; 24. Connecting rod; 25. Transmission rod; 26. Spring; 27. First electromagnet; 28. Second electromagnet; 29. ​​Third electromagnet; 30. Rubber plate; 31. Groove; 32. Protrusion. Detailed Implementation

[0019] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0020] The components of the embodiments of the invention described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0021] Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0024] The following is combined Figures 1 to 9 As shown, an embodiment of the present invention provides a conductor line surveying device, comprising: The housing 4 has a mounting assembly on its top, which is used to mount the housing 4 onto the drone. A rectangular groove is formed on the inner side wall of the receiving seat 4, and multiple detection components are slidably arranged in the rectangular groove. The detection components include: The connecting seat 15 has a protrusion 32 on its side wall, and the protrusion 32 is slidably connected to the rectangular groove. The connecting seat 15 also has a sealing ring 16 on its side wall. Multiple fixed cones 19 are equidistantly arranged at the bottom of the connecting seat 15; Multiple boxes 18 are located at the bottom of the connector 15, and each box 18 contains an altitude detection module, a positioning module, and a communication module. Solenoid valve 10 is disposed through the side wall of the receiving seat 4 and is located above the connecting seat 15. The gas supply assembly is connected to the mounting assembly, and the gas supply assembly is connected to the solenoid valve 10. A sealing cover assembly is disposed on the side wall of the receiving seat 4; The connecting shaft 21 is disposed on the top inner wall of the receiving seat 4. Multiple connecting holes 23 are provided on the side wall of the connecting shaft 21. Each connecting hole 23 is provided with a fixing component, which is used to fix the connecting seat 15.

[0025] When the switch of the bottommost solenoid valve 10 is turned on, the gas in the gas supply assembly enters the solenoid valve 10, and then enters the area above the bottommost connecting seat 15 through the solenoid valve 10. Under the sealing action of the sealing ring 16 on the connecting seat 15, the air pressure above the connecting seat 15 rises. Then the restriction of the fixing assembly on the connecting seat 15 is released. At this time, under the action of air pressure, the connecting seat 15 is pushed to move, so that the connecting seat 15 leaves the receiving groove. And by using the speed of the connecting seat 15 in conjunction with the fixing cone 19 on the connecting seat 15, the connecting seat 15 is fixed to the ground. The connecting seats 15 are placed sequentially along the wire line.

[0026] Furthermore, the fixing components include: Two limiting blocks 22 are slidably disposed in the connecting hole 23, and the sidewalls of the two limiting blocks 22 are both inclined structures. Two connecting rods 24 are rotatably mounted on the side walls of two limiting blocks 22; The cavity is located inside the connecting shaft 21.

[0027] Furthermore, it also includes: The transmission rod 25 is slidably disposed in the cavity, and the transmission rod 25 is rotatably connected to each connecting rod 24; The first electromagnet 27 is disposed on the inner wall at the bottom of the cavity; Spring 26 is located on top of the first electromagnet 27, and spring 26 is fixed to transmission rod 25.

[0028] When the switch of the first electromagnet 27 is turned on, the first electromagnet 27 works and attracts the transmission rod 25. When the transmission rod 25 moves, it drives the limiting block 22 into the connecting hole 23 through the connecting rod 24. At this time, under the action of air pressure, it pushes the connecting seat 15 to move.

[0029] Furthermore, the installation components include: Mounting plate 1, with multiple mounting holes 8 on the top of the mounting plate 1; The first electric slide 2 is located at the bottom of the mounting plate 1; The second electric slide 3 is disposed on the moving end of the first electric slide 2, and the receiving seat 4 is disposed on the moving end of the second electric slide 3.

[0030] When retrieving the connecting seat 15, after the drone moves to the vicinity of the connecting seat 15, the relative position between the receiving seat 4 and the connecting seat 15 is adjusted by the action of the first electric slide 2 and the second electric slide 3.

[0031] Furthermore, the gas supply components include: Two connecting seats 6 are both located at the bottom of the mounting plate 1; Multiple gas cylinders 5 are connected to two connecting seats 6 respectively, and each gas cylinder 5 is fixed to the mounting plate 1. Each gas cylinder 5 is filled with high-pressure gas. Connecting pipe 7 is connected to two connecting seats 6; The hose 12 has one end connected to the connecting pipe 7 and the other end of the hose 12 is provided with a pipe body 11, which is connected to each solenoid valve 10.

[0032] After the solenoid valve 10 is switched on, the high-pressure gas in the gas storage cylinder 5 enters the solenoid valve 10 through the connecting seat 6, connecting pipe 7 and hose 12.

[0033] Furthermore, it also includes: Groove 31, groove 31 is formed at the bottom of the inner sidewall of the rectangular groove; Rubber plate 30 is slidably disposed on the inner sidewall of groove 31; The second electromagnet 28 is disposed on the inner sidewall of the groove 31. The third electromagnet 29 is mounted on the side wall of the rubber plate 30.

[0034] By controlling the direction of the current between the second electromagnet 28 and the third electromagnet 29, a repulsive force is created between the second electromagnet 28 and the third electromagnet 29. When the connecting seat 15 enters the receiving seat 4, the connecting seat 15 is retracted through the friction between the rubber plate 30 and the protrusion 32.

[0035] Furthermore, the sealing cap assembly includes: The cover 9 has a semi-circular structure, and connecting blocks are provided on both side walls of the cover 9. Two connecting slots 20 are formed on the two side walls of the receiving seat 4, and the connecting slots 20 are adapted to the connecting block; Multiple first magnets 13 are equidistantly embedded on the top of the cover 9; Multiple second magnets 14 are equidistantly embedded on the inner top wall of the receiving base 4, and multiple first magnets 13 and multiple second magnets 14 correspond one-to-one.

[0036] Furthermore, it also includes: The slide 17 is formed on the inner top wall of the receiving seat 4, and the connecting shaft 21 and the slide 17 are slidably connected.

[0037] During maintenance, simply push the cover 9 to overcome the attraction between the first magnet 13 and the second magnet 14, and the cover 9 can be pulled out through the connecting groove 20 and the connecting block. Then, by sliding between the connecting shaft 21 and the slide groove 17, the connecting shaft 21 and each connecting seat 15 on the connecting shaft 21 can be taken out for maintenance.

[0038] The specific working method is as follows: When in use, the mounting plate 1 is fixed on the drone through the mounting hole 8. Then, each connecting seat 15 is pushed into the receiving seat 4 through the rectangular groove on the protrusion 32 and the receiving seat 4. During the process of pushing the connecting seat 15 into the receiving seat 4, the inclined structure of the limiting block 22 enters the connecting hole 23 under the pressure of the connecting seat 15. Through the action of the spring 26, the transmission rod 25 can move a certain distance, so that the two limiting blocks 22 can be completely inserted into the connecting hole 23, so that the connecting seat 15 can be moved to the top of the connecting shaft 21. After installing multiple connecting seats 15, the survey work can be carried out. During the surveying process, the drone is controlled to move to a suitable position and its height is lowered so that there is a certain gap between the bottom of the housing 4 and the ground. Then, the current of the second electromagnet 28 and the third electromagnet 29 is controlled so that there is an attraction between the second electromagnet 28 and the third electromagnet 29, thereby making the rubber plate 30 sit in the groove 31. When the switch of the bottommost solenoid valve 10 is turned on, the high-pressure gas in the gas storage cylinder 5 enters the solenoid valve 10 through the connecting seat 6, connecting pipe 7 and hose 12, and then enters the area above the bottommost connecting seat 15 through the solenoid valve 10. Under the sealing effect of the sealing ring 16 on the connecting seat 15, the air pressure above the connecting seat 15 rises. Then the switch of the first electromagnet 27 is turned on. When the first electromagnet 27 is working, it attracts the transmission rod 25. When the transmission rod 25 moves, it drives the limiting block 22 into the connecting hole 23 through the connecting rod 24. At this time, under the action of air pressure, it pushes the connecting seat 15 to move, so that the connecting seat 15 leaves the receiving seat 4. And by using the speed of the connecting seat 15 in conjunction with the fixing cone 19 on the connecting seat 15, the connecting seat 15 is fixed to the ground. The connecting seats 15 are placed sequentially along the wire line. After each connector 15 is placed, the altitude of the connector 15 is measured by the altitude detection module on the inner wall of the box 18 on the connector 15, the specific position of the connector 15 is measured by the positioning module, and finally the measured data is transmitted to the terminal by the communication module. The survey of the conductor line is realized by the data transmitted by each connector 15 along the conductor line, eliminating the need for manual surveying and reducing the labor intensity of the surveying work. At the same time, it can also collect various data such as the length and slope of the conductor line with high precision. When retrieving the connecting seat 15, the drone will move the receiving seat 4 to a position above the connecting seat 15. At this time, by controlling the current direction between the second electromagnet 28 and the third electromagnet 29, a repulsive force will be generated between the second electromagnet 28 and the third electromagnet 29. Afterward, when the drone moves to the vicinity of the connecting seat 15, the relative position between the receiving seat 4 and the connecting seat 15 will be adjusted by the action of the first electric slide 2 and the second electric slide 3. After the position is adjusted, the drone will be controlled to descend. When the connecting seat 15 enters the receiving seat 4, the connecting seat 15 will be retrieved by the friction between the rubber plate 30 and the protrusion 32. During maintenance, simply push the cover 9 to overcome the attraction between the first magnet 13 and the second magnet 14, and the cover 9 can be pulled out through the connecting groove 20 and the connecting block. Then, by sliding between the connecting shaft 21 and the slide groove 17, the connecting shaft 21 and each connecting seat 15 on the connecting shaft 21 can be taken out for maintenance.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A conductor line surveying device, characterized in that, include: A receiving seat (4) is provided with a mounting assembly on its top, the mounting assembly being used to mount the receiving seat (4) on a drone; A rectangular groove is formed on the inner side wall of the receiving seat (4), and multiple detection components are slidably arranged in the rectangular groove; The detection component includes: Connecting seat (15), the side wall of the connecting seat (15) is provided with a protrusion (32), and the protrusion (32) and the rectangular groove are slidably connected, and the side wall of the connecting seat (15) is provided with a sealing ring (16); Multiple fixed cones (19) are arranged at equal intervals at the bottom of the connecting seat (15); Multiple boxes (18) are provided, each of which is located at the bottom of the connector (15). Each of the multiple boxes (18) contains an altitude detection module, a positioning module, and a communication module. Solenoid valve (10) is disposed through the side wall of the receiving seat (4) and is located above the connecting seat (15); A gas supply assembly is connected to an installation assembly and is connected to a solenoid valve (10). A sealing cap assembly is disposed on the side wall of the receiving seat (4); A connecting shaft (21) is provided on the inner wall of the top of the receiving seat (4). The side wall of the connecting shaft (21) is provided with multiple connecting holes (23). Each connecting hole (23) is provided with a fixing component. The fixing component is used to fix the connecting seat (15). When the switch of the solenoid valve (10) is turned on, the gas of the gas supply component enters the area above the connecting seat (15) through the solenoid valve (10) to make the air pressure above the connecting seat (15) rise. The fixing component releases the restriction on the connecting seat (15). Under the action of air pressure, the connecting seat (15) is pushed to move and leave the receiving seat (4).

2. The conductor line surveying device according to claim 1, characterized in that, The fixing component includes: Two limiting blocks (22) are slidably disposed in the connecting hole (23), and the sidewalls of the two limiting blocks (22) are both inclined structures; Two connecting rods (24) are respectively rotatably mounted on the side walls of two limiting blocks (22); The cavity is located inside the connecting shaft (21).

3. The conductor line surveying device according to claim 2, characterized in that, Also includes: A transmission rod (25) is slidably disposed in the cavity, and the transmission rod (25) is rotatably connected to each connecting rod (24); The first electromagnet (27) is disposed on the inner wall of the bottom of the cavity; A spring (26) is disposed on top of the first electromagnet (27), and the spring (26) and the transmission rod (25) are fixed.

4. The conductor line surveying device according to claim 1, characterized in that, The installation components include: Mounting plate (1), the top of which is provided with a plurality of mounting holes (8); The first electric slide (2) is disposed at the bottom of the mounting plate (1); The second electric slide (3) is disposed on the moving end of the first electric slide (2), and the receiving seat (4) is disposed on the moving end of the second electric slide (3).

5. A conductor line surveying device according to claim 4, characterized in that, The gas supply assembly includes: Two connecting seats (6) are provided at the bottom of the mounting plate (1); Multiple gas cylinders (5), each of the multiple gas cylinders (5) is connected to two connecting seats (6) respectively, and each gas cylinder (5) is fixed to the mounting plate (1), and each of the gas cylinders (5) is filled with high-pressure gas; A connecting pipe (7) is connected to two connecting seats (6); A flexible hose (12) is provided at one end and connected to a connecting pipe (7). The other end of the flexible hose (12) is provided with a pipe body (11) and the pipe body (11) is connected to each solenoid valve (10).

6. The conductor line surveying device according to claim 1, characterized in that, Also includes: A groove (31) is formed at the bottom of the inner sidewall of a rectangular groove; A rubber plate (30) is slidably disposed on the inner sidewall of the groove (31); The second electromagnet (28) is disposed on the inner sidewall of the groove (31); The third electromagnet (29) is disposed on the side wall of the rubber plate (30).

7. The conductor line surveying device according to claim 1, characterized in that, The sealing cap assembly includes: The cover (9) is a semi-circular structure, and connecting blocks are provided on both side walls of the cover (9); Two connecting slots (20) are provided on the two side walls of the receiving seat (4), and the connecting slots (20) are adapted to the connecting block; Multiple first magnets (13) are equidistantly embedded on the top of the cover (9); Multiple second magnets (14) are equally spaced on the inner wall of the top of the receiving base (4), and multiple first magnets (13) and multiple second magnets (14) correspond one-to-one.

8. The conductor line surveying device according to claim 1, characterized in that, Also includes: The slide (17) is formed on the inner wall of the top of the receiving seat (4), and the connecting shaft (21) and the slide (17) are slidably connected.

Citation Information

Patent Citations

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    CN210426545U

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