Vehicle detector using geomagnetic resistance effect

Abstract

The utility model belongs to the field of vehicle detectors, particularly relates to a vehicle detector using a geomagnetic resistance effect, and aims to solve the problems that when an existing vehicle detector goes wrong and breaks down, dismounting and replacement of the vehicle detector are very tedious, and the vehicle detector is prone to inclination, difficult to adjust and large in installation difficulty when cement is poured. According to the scheme, the device comprises an installation shell and a vehicle detector installed on the inner side of the installation shell, an internal thread groove is formed in the top of the installation shell, a sealing cover is installed on the top of the installation shell in a clamped mode, an external thread groove is formed in the outer side of the sealing cover, and the external thread groove is matched with the internal thread groove; and a limiting ratchet wheel is fixedly mounted on the inner wall of the bottom of the mounting shell. According to the utility model, a worker can conveniently disassemble and replace the vehicle detector, and the installation difficulty of the vehicle detector is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detectors, in particular to a vehicle detector utilizing geomagnetic resistance effect. Background Art

[0002] Geomagnetic vehicle detectors use ferromagnetic materials contained in vehicles to affect the geomagnetic signal in the area where the vehicle is located, causing the Earth's magnetic field lines to bend in that area. When a vehicle passes near the sensor, the sensor can sensitively detect changes in the signal and obtain relevant information about the detected target through signal analysis.

[0003] However, when installing existing vehicle detectors, workers are required to drill holes in the ground, place the vehicle detectors in the holes, and then pour cement to seal them. However, this installation method makes it extremely cumbersome to disassemble and replace the vehicle detectors when problems occur. In addition, existing vehicle detectors need to be kept horizontal during installation. However, pouring cement can easily cause the detectors to tilt, making it difficult to adjust and making installation difficult. Utility Model Content

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A vehicle detector utilizing the geomagnetic resistance effect includes a mounting shell and a vehicle detector mounted on the inside of the mounting shell, wherein the top of the mounting shell is provided with an internal thread groove; a cover is mounted on the top of the mounting shell, and the outside of the cover is provided with an external thread groove, which is adapted to the internal thread groove; a limiting ratchet is fixedly mounted on the bottom inner wall of the mounting shell.

[0006] Specifically, a plurality of limit frames are fixedly installed on the inner side of the installation shell, and a limit spring is fixedly installed on the top inner wall of each of the plurality of limit frames.

[0007] Specifically, a same limiting plate is slidably mounted on the inner sides of the plurality of limiting frames, and the other ends of the plurality of limiting springs are connected to the top of the same limiting plate, which has a plurality of sliding slots formed on its top.

[0008] Specifically, sliding metal blocks are slidably mounted on the inner sides of the plurality of sliding grooves, sliding columns are fixedly mounted on the bottoms of the plurality of sliding metal blocks, and a rotating hole is provided on the top of the limiting plate.

[0009] Specifically, a linkage column is rotatably installed on the inner side of the rotating hole, a turntable is fixedly installed on the bottom end of the linkage column, the top of the turntable is rotatably connected to the bottom of the limiting disk, a plurality of linkage holes are opened at the bottom of the turntable, and a plurality of sliding columns are slidably installed in the corresponding linkage holes, and a rotating ratchet is fixedly installed on the bottom of the turntable, and the rotating ratchet is adapted to the limiting ratchet, so that the limiting ratchet can limit the rotating ratchet and prevent the rotating ratchet from reversing.

[0010] Specifically, a linkage disk is fixedly installed on the top of the linkage column, a vehicle detector is placed on the top of the linkage disk, a plurality of grooves are provided on the outside of the vehicle detector, and a plurality of protrusions are provided on the top of the linkage disk, which are respectively adapted to the corresponding grooves to facilitate the rotation of the linkage disk when the vehicle detector is rotated.

[0011] Specifically, a clamping column is fixedly installed on one side of the plurality of sliding metal blocks, an arc-shaped clamp is fixedly installed on one side of the plurality of clamping columns, and a tool slot is provided on the top of the vehicle detector.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The utility model is a vehicle detector that utilizes the geomagnetic resistance effect. The installation method of the vehicle detector can be changed by setting a mechanism. It is no longer necessary to cast a large amount of cement to seal it. It can be easily disassembled and replaced by the staff, which increases the convenience of the device.

[0014] (2) The vehicle detector of the present invention using the geomagnetic resistance effect can effectively reduce the difficulty of installing the vehicle detector, and by providing an installation shell, it can effectively prevent the vehicle detector from tilting after cement pouring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic cross-sectional view of the three-dimensional structure of a vehicle detector using the geomagnetic resistance effect proposed by the present invention;

[0016] Figure 2 This is a three-dimensional exploded schematic diagram of a vehicle detector using the geomagnetic resistance effect proposed by the present invention;

[0017] Figure 3 This is a schematic cross-sectional view of the three-dimensional structure of a limiting mechanism of a vehicle detector utilizing the geomagnetic resistance effect proposed by the present invention;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of a limiting mechanism of a vehicle detector using the geomagnetic resistance effect proposed by the present invention;

[0019] Figure 5This is a schematic diagram of the three-dimensional structure decomposition of a limiting mechanism of a vehicle detector using the geomagnetic resistance effect proposed by the present invention.

[0020] In the figure: 1. Mounting shell; 2. Internal thread groove; 3. External thread groove; 4. Cover; 5. Vehicle detector; 6. Limit ratchet; 7. Rotating ratchet; 8. Limit frame; 9. Limit spring; 10. Turntable; 11. Linkage hole; 12. Linkage column; 13. Linkage disk; 14. Limit disk; 15. Sliding groove; 16. Sliding metal block; 17. Sliding column; 18. Clamp column; 19. Arc clamp; 20. Tool slot. DETAILED DESCRIPTION

[0021] Reference Figure 1-5 A vehicle detector utilizing the geomagnetic resistance effect comprises a mounting shell 1 and a vehicle detector 5 mounted on the inner side of the mounting shell 1. An internal thread groove 2 is provided on the top of the mounting shell 1; a cover 4 is snap-fitted to the top of the mounting shell 1, and an external thread groove 3 is provided on the outer side of the cover 4, which is matched with the internal thread groove 2; a limiting ratchet 6 is fixedly mounted on the inner wall of the bottom of the mounting shell 1.

[0022] In this embodiment, a plurality of limit frames 8 are fixedly mounted on the inner side of the mounting shell 1 , and a limit spring 9 is fixedly mounted on the top inner wall of each of the plurality of limit frames 8 .

[0023] In this embodiment, the inner sides of the multiple limit frames 8 are all slidably mounted with a same limit plate 14 , the other ends of the multiple limit springs 9 are all connected to the top of the same limit plate 14 , and the top of the limit plate 14 is provided with multiple sliding grooves 15 .

[0024] In this embodiment, sliding metal blocks 16 are slidably mounted on the inner sides of the plurality of sliding grooves 15 , sliding columns 17 are fixedly mounted on the bottoms of the plurality of sliding metal blocks 16 , and a rotation hole is formed on the top of the limiting plate 14 .

[0025] In this embodiment, a linkage column 12 is rotatably installed on the inner side of the rotating hole, and a turntable 10 is fixedly installed on the bottom end of the linkage column 12. The top of the turntable 10 is rotatably connected to the bottom of the limit plate 14. A plurality of linkage holes 11 are provided at the bottom of the turntable 10, and a plurality of sliding columns 17 are respectively slidably installed in the corresponding linkage holes 11. A rotating ratchet 7 is fixedly installed at the bottom of the turntable 10. The rotating ratchet 7 is adapted to the limit ratchet 6, so that the limit ratchet 6 can limit the rotating ratchet 7 to prevent the rotating ratchet 7 from reversing.

[0026] In this embodiment, a linkage disk 13 is fixedly installed on the top of the linkage column 12, and a vehicle detector 5 is placed on the top of the linkage disk 13. A plurality of grooves are provided on the outside of the vehicle detector 5, and a plurality of protrusions are provided on the top of the linkage disk 13. The plurality of protrusions are respectively adapted to the corresponding grooves, so that the linkage disk 13 can be driven to rotate when the vehicle detector 5 is rotated.

[0027] In this embodiment, a clamping column 18 is fixedly mounted on one side of each of the sliding metal blocks 16 , an arc-shaped clamp 19 is fixedly mounted on one side of each of the clamping columns 18 , and a tool slot 20 is provided on the top of the vehicle detector 5 .

[0028] Working principle: When installing the vehicle detector 5, the staff uses a punch to open a hole groove on the ground, pours a small amount of cement into the hole groove, and then puts the installation shell 1 into the hole groove and squeezes it so that the bottom of the installation shell 1 contacts the bottom of the hole groove. Since the bottom of the installation shell 1 is conical, the installation shell 1 can ensure a horizontal state. Then the staff puts the vehicle detector 5 into the installation shell 1 so that the vehicle detector 5 contacts the linkage disk 13, and the groove on the surface of the vehicle detector 5 contacts the protrusion on the surface of the linkage disk 13. At this time, the staff controls the vehicle detector 5 to rotate through a tool that is compatible with the tool slot 20 on the top of the vehicle detector 5. The rotation of the vehicle detector 5 drives the linkage disk 13 to rotate, and the rotation of the linkage disk 13 drives the linkage column 12 to rotate. The rotation of the linkage column 12 drives the turntable 10 to rotate. The rotation of the turntable 10 drives the multiple linkage holes 11 opened thereon to move. The movement of the multiple linkage holes 11 drives the corresponding sliding columns 17 to move, and the multiple sliding columns 1 When the vehicle detector 5 needs to be disassembled, the staff only needs to lift the vehicle detector 5 and the limiting mechanism after opening the cover 4, and then reverse it to reset the multiple arc clamps 19. Then the staff takes out the vehicle detector 5 and releases the limiting mechanism. At this time, the multiple limiting springs 9 provide rebound force to assist the limiting mechanism in resetting.

[0029] The technical progress achieved by the present invention compared with the existing technology is: the installation method of the vehicle detector 5 can be changed by setting a mechanism, and a large amount of cement is no longer needed to cast and seal it, which can be convenient for staff to disassemble and replace it, increasing the convenience of the device, and can effectively reduce the difficulty of installing the vehicle detector 5. In addition, by setting the installation shell 1, the vehicle detector 5 can be effectively prevented from tilting after the cement is poured.

Claims

1. A vehicle detector using the geomagnetic resistance effect, characterized in that: It comprises a mounting shell (1) and a vehicle detector (5) mounted on the inner side of the mounting shell (1), wherein an internal thread groove (2) is provided on the top of the mounting shell (1); A cover (4) is mounted on the top of the mounting housing (1), and an external thread groove (3) is provided on the outer side of the cover (4), and the external thread groove (3) is adapted to the internal thread groove (2); A limiting ratchet (6) is fixedly mounted on the bottom inner wall of the mounting housing (1).

2. A vehicle detector using the geomagnetic resistance effect according to claim 1, characterized in that: A plurality of limit frames (8) are fixedly mounted on the inner side of the mounting shell (1), and a limit spring (9) is fixedly mounted on the top inner walls of the plurality of limit frames (8).

3. The vehicle detector using the geomagnetic resistance effect according to claim 2, characterized in that: The inner sides of the plurality of limit frames (8) are all slidably mounted with a same limit plate (14), the other ends of the plurality of limit springs (9) are all connected to the top of the same limit plate (14), and the top of the limit plate (14) is provided with a plurality of sliding grooves (15).

4. The vehicle detector using the geomagnetic resistance effect according to claim 3, characterized in that: Sliding metal blocks (16) are slidably mounted on the inner sides of the plurality of sliding grooves (15), sliding columns (17) are fixedly mounted on the bottoms of the plurality of sliding metal blocks (16), and a rotating hole is provided on the top of the limiting plate (14).

5. The vehicle detector using the geomagnetic resistance effect according to claim 4, characterized in that: A linkage column (12) is rotatably mounted on the inner side of the rotating hole, a turntable (10) is fixedly mounted on the bottom end of the linkage column (12), the top of the turntable (10) is rotatably connected to the bottom of the limit plate (14), a plurality of linkage holes (11) are opened at the bottom of the turntable (10), a plurality of sliding columns (17) are slidably mounted in the corresponding linkage holes (11), a rotating ratchet (7) is fixedly mounted on the bottom of the turntable (10), and the rotating ratchet (7) is adapted to the limit ratchet (6).

6. The vehicle detector using the geomagnetic resistance effect according to claim 5, characterized in that: A linkage disk (13) is fixedly mounted on the top of the linkage column (12), a vehicle detector (5) is placed on the top of the linkage disk (13), a plurality of grooves are provided on the outside of the vehicle detector (5), and a plurality of protrusions are provided on the top of the linkage disk (13), and the plurality of protrusions are respectively matched with the corresponding grooves.

7. The vehicle detector using the geomagnetic resistance effect according to claim 6, characterized in that: A clamping column (18) is fixedly mounted on one side of the plurality of sliding metal blocks (16), an arc-shaped clamp (19) is fixedly mounted on one side of the plurality of clamping columns (18), and a tool slot (20) is provided on the top of the vehicle detector (5).

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