Millimeter wave radar monitoring bridge gap alarm device

Abstract

The utility model relates to the technical field of bridge gap monitoring, and discloses a millimeter-wave radar monitoring bridge gap alarm device, which comprises a fixed base, a millimeter-wave radar monitoring device is arranged on the fixed base, the millimeter-wave radar monitoring device is used for monitoring the change of a bridge gap, and an alarm system is arranged in the millimeter-wave radar monitoring device. According to the millimeter-wave radar monitoring device, the pitching adjusting assembly is arranged on the fixed base, and the detection range of the millimeter-wave radar monitoring device can be stably adjusted through the left-right adjusting assembly and the pitching adjusting assembly, so that a user can flexibly adjust the detection range of the radar according to actual requirements; due to the flexibility, the device can adapt to different bridge structures, different gap positions and different monitoring requirements, it is ensured that radar beams can be accurately aligned with bridge gaps, and therefore the problem of monitoring blind areas or misinformation caused by inaccurate installation positions in a traditional mode is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge gap monitoring, in particular to a millimeter wave radar bridge gap monitoring alarm device. Background Art

[0002] A millimeter-wave radar monitoring bridge gap alarm device is a device that uses millimeter-wave radar technology to monitor bridge gaps and issues an alarm when an abnormality is found. The millimeter-wave radar monitoring alarm device is generally installed near the bridge gap to monitor the deformation of the gap in real time. Once abnormal deformation of the gap is detected or exceeds a preset safety threshold, the device will immediately issue an alarm signal to remind relevant personnel to take timely measures to deal with it.

[0003] During the installation process, most existing bridge gap monitoring and alarm devices are fixed with fasteners. This installation method can only preliminarily determine the installation position of the millimeter-wave radar monitoring bridge gap alarm device, and cannot accurately adjust the left and right angles and pitch angles of the millimeter-wave radar, resulting in the millimeter-wave radar monitoring bridge gap alarm device having monitoring blind spots or false alarms. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a millimeter-wave radar monitoring bridge gap alarm device, which has the advantages of easy adjustment of the pitch angle and the left and right angles, etc., and solves the problem that most of the existing bridge gap monitoring alarm devices are fixedly installed using fasteners during the installation process. This installation method can only preliminarily determine the installation position of the millimeter-wave radar monitoring bridge gap alarm device, and cannot accurately adjust the left and right angles and the pitch angle of the millimeter-wave radar, resulting in the millimeter-wave radar monitoring bridge gap alarm device having monitoring blind spots or false alarms.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of facilitating the adjustment of the pitch angle and the left-right angle, the utility model provides the following technical solutions: a millimeter-wave radar monitoring bridge gap alarm device, comprising a fixed base, a millimeter-wave radar monitoring device is arranged on the fixed base, the millimeter-wave radar monitoring device is used to monitor the change of the bridge gap, an alarm system is arranged in the millimeter-wave radar monitoring device, a pitch adjustment component is arranged on the fixed base, and the pitch adjustment component is used to adjust the pitch detection angle range of the millimeter-wave radar monitoring device;

[0008] A left-right adjustment component is provided on the fixed base, and the left-right adjustment component is used to adjust the left-right detection angle range of the millimeter-wave radar monitoring device. A rotating support is rotatably connected to the center position of the fixed base, and the millimeter-wave radar monitoring device is rotatably connected in the rotating support;

[0009] The left-right adjustment assembly comprises a first fixed shaft, which is rotatably connected to an outer surface of one side of the rotating support, and a worm gear is fixedly sleeved on the outer surface of the first fixed shaft;

[0010] A gear is fixedly sleeved on the outer surface of the first fixed shaft, and an arc-shaped rack plate is fixedly connected to the outer surface of one side of the rotating support, and the gear is meshedly connected with the arc-shaped rack plate.

[0011] Preferably, a first shell is movably mounted on the outer surface of one side of the rotating support, a worm shaft is rotatably connected inside the first shell, a worm is fixedly sleeved on the outer surface of the worm shaft, the worm is meshingly connected with the worm wheel, the upper end of the worm shaft rotates and passes through the outer surface of the first shell, and a first special groove block is fixedly connected to the upper end of the worm shaft, and the left and right angle range of the millimeter wave radar monitoring device can be adjusted by twisting the first special groove block using a wrench compatible with the first special groove block.

[0012] Preferably, the pitch adjustment assembly includes a connecting block, which is fixedly connected to the outer surface of the millimeter wave radar monitoring device, and a second shell is movably mounted on the outer surface of the rotating support, and a shell slide groove is provided on the outer surface of the second shell, and the connecting block extends from the shell slide groove into the second shell.

[0013] Preferably, one end of the connecting block extending into the second housing is fixedly connected to a moving ring, a sliding groove is provided on the outer surface of the moving ring, an H-shaped sliding block is provided on the moving ring, and the H-shaped sliding block is adapted to the sliding groove.

[0014] Preferably, the interior of the second outer shell is rotatably connected to a screw rod, which is threadedly connected to the H-shaped slider, and the upper end of the screw rod rotates through the outer surface of the second outer shell and is fixedly connected to a second special groove block, and the second special groove block can be screwed using a wrench compatible with the second special groove block to adjust the pitch angle range of the millimeter wave radar monitoring device.

[0015] Preferably, a shell slide groove is provided on the outer surface of the second shell, and a plurality of fixed mounting ears are fixedly connected to the outer surface of the fixed base, and the fixed mounting ears are used to insert fasteners to fix the fixed base.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a millimeter wave radar monitoring bridge gap alarm device, which has the following beneficial effects:

[0018] 1. The millimeter-wave radar monitoring bridge gap alarm device can stably adjust the detection range of the millimeter-wave radar monitoring device through the left and right adjustment components and the pitch adjustment components. This allows the user to flexibly adjust the detection range of the radar according to actual needs. This flexibility enables the device to adapt to different bridge structures, different gap positions and different monitoring needs, ensuring that the radar beam can be accurately aimed at the bridge gap, thereby avoiding the monitoring blind area or false alarm problem caused by inaccurate installation position in the traditional method.

[0019] 2. The millimeter-wave radar monitoring bridge gap alarm device can stably adjust the left and right angles of the millimeter-wave radar monitoring device through the self-locking property of the worm wheel and worm gear arranged therein. The self-locking property of the worm wheel and worm gear enables the millimeter-wave radar monitoring device to stably maintain the position after being adjusted to a certain rotation angle, and will not be easily changed due to external factors, which greatly enhances the stability and reliability of the device.

[0020] 3. The millimeter-wave radar monitoring bridge gap alarm device has a self-locking property through the threaded connection between the set screw and the H-shaped slider, so that the pitch angle of the millimeter-wave radar monitoring device can be stably adjusted, and the self-locking property of the threaded connection ensures that after the pitch angle of the millimeter-wave radar monitoring device is adjusted, the angle can be stably maintained. When subjected to external impact or abnormal vibration, the millimeter-wave radar monitoring device will not suddenly lose control or greatly displace due to the self-locking property of the threaded connection, thereby ensuring the safety of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the external structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0024] In the figure: 1. fixed base; 2. rotating support; 3. millimeter wave radar monitoring device; 4. first fixed shaft; 5. worm gear; 6. first outer shell; 7. worm shaft; 8. worm; 9. first special groove block; 10. connecting block; 11. moving ring; 12. H-shaped slider; 13. screw; 14. second special groove block; 15. slide groove; 16. second outer shell; 17. fixed mounting ear; 18. outer shell slide groove; 19. gear; 20. arc-shaped rack plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3 The utility model provides a new technical solution: a millimeter wave radar monitoring bridge gap alarm device, comprising a fixed base 1, a millimeter wave radar monitoring device 3 is arranged on the fixed base 1, the millimeter wave radar monitoring device 3 is used to monitor the change of the bridge gap, an alarm system is arranged in the millimeter wave radar monitoring device 3, and a pitch adjustment component is arranged on the fixed base 1, and the pitch adjustment component is used to adjust the pitch detection angle range of the millimeter wave radar monitoring device 3;

[0027] The fixed base 1 is provided with a left-right adjustment component, which is used to adjust the left-right detection angle range of the millimeter-wave radar monitoring device 3. The center position of the fixed base 1 is rotatably connected with a rotating support 2, and the millimeter-wave radar monitoring device 3 is rotatably connected in the rotating support 2;

[0028] The left-right adjustment assembly includes a first fixed shaft 4, which is rotatably connected to an outer surface of one side of the rotating support 2, and a worm gear 5 is fixedly sleeved on the outer surface of the first fixed shaft 4;

[0029] A gear 19 is fixedly sleeved on the outer surface of the first fixed shaft 4 , and an arc-shaped rack plate 20 is fixedly connected to the outer surface of one side of the rotating support 2 , and the gear 19 is meshedly connected with the arc-shaped rack plate 20 .

[0030] Furthermore, a first outer shell 6 is movably mounted on the outer surface of one side of the rotating support 2, a worm shaft 7 is rotatably connected inside the first outer shell 6, a worm 8 is fixedly sleeved on the outer surface of the worm shaft 7, the worm 8 is meshingly connected to the worm wheel 5, the upper end of the worm shaft 7 rotates through the outer surface of the first outer shell 6, and a first special groove block 9 is fixedly connected to the upper end of the worm shaft 7. The first special groove block 9 can be screwed by using a wrench compatible with the first special groove block 9 to adjust the left and right angle range of the millimeter wave radar monitoring device 3.

[0031] Furthermore, the pitch adjustment assembly includes a connecting block 10, which is fixedly connected to the outer surface of the millimeter wave radar monitoring device 3. A second shell 16 is movably installed on the outer surface of the rotating support 2. A shell slide groove 18 is provided on the outer surface of the second shell 16, and the connecting block 10 extends from the shell slide groove 18 into the second shell 16.

[0032] Furthermore, one end of the connecting block 10 extending into the second housing 16 is fixedly connected to a moving ring 11 , a sliding groove 15 is provided on the outer surface of the moving ring 11 , and an H-shaped slider 12 is provided on the moving ring 11 , and the H-shaped slider 12 is adapted to the sliding groove 15 .

[0033] Furthermore, the interior of the second outer shell 16 is rotatably connected to a screw rod 13, which is threadedly connected to the H-shaped slider 12. The upper end of the screw rod 13 rotates through the outer surface of the second outer shell 16 and is fixedly connected to a second special groove block 14. The second special groove block 14 can be screwed using a wrench compatible with the second special groove block 14 to adjust the pitch angle range of the millimeter wave radar monitoring device 3.

[0034] Furthermore, a shell slide groove 18 is provided on the outer surface of the second shell 16 , and a plurality of fixed mounting ears 17 are fixedly connected to the outer surface of the fixed base 1 . The fixed mounting ears 17 are used to insert fasteners to install and fix the fixed base 1 .

[0035] Furthermore, during installation, multiple first fixed shafts 4 are fixed at specified positions by using fasteners, and then the first special groove block 9 is screwed by using a wrench compatible with the first special groove block 9. The rotating first special groove block 9 will drive the worm 8 to rotate through the worm shaft 7, and the rotating worm 8 can drive the worm wheel 5 to rotate. When the worm wheel 5 rotates, it will drive the gear 19 to rotate together through the first fixed shaft 4, so that under the meshing of the gear 19 and the arc-shaped rack plate 20, the rotating support 2 is driven to rotate a certain angle with the connection point between itself and the fixed base 1 as the center of the circle, so that the left and right angle range of the millimeter-wave radar monitoring device 3 can be adjusted. The self-locking property of the worm wheel 5 and the worm 8 provided therein can stably adjust the left and right angles of the millimeter-wave radar monitoring device 3. The self-locking property of the worm wheel 5 and the worm 8 enables the millimeter-wave radar monitoring device 3 to stably maintain the position after being adjusted to a certain rotation angle, and will not be easily changed due to external factors (such as wind, vibration, etc.), which greatly enhances the stability and reliability of the device.

[0036] Furthermore, by using a wrench compatible with the second special groove block 14 to screw the second special groove block 14, the rotating second special groove block 14 will drive the H-shaped slider 12 to move up and down through the screw 13, and the H-shaped slider 12 moving up and down will drive the moving ring 11 and the connecting block 10 in the slide groove 15, as well as the connection point between the millimeter-wave radar monitoring device 3 and the rotating support 2 thereon to rotate as the center of the circle, thereby adjusting the pitch angle range of the millimeter-wave radar monitoring device 3, and the self-locking property of the threaded connection between the set screw 13 and the H-shaped slider 12 can make the pitch angle of the millimeter-wave radar monitoring device 3 be stably adjusted, and the self-locking property of the threaded connection ensures that after the pitch angle of the millimeter-wave radar monitoring device 3 is adjusted, the angle can be stably maintained, and when subjected to external force impact or abnormal vibration, due to the self-locking property of the threaded connection, the millimeter-wave radar monitoring device 3 will not suddenly lose control or greatly displace, thereby ensuring the safety of the entire system.

[0037] Furthermore, by setting up left and right adjustment components and pitch adjustment components, the detection range of the millimeter-wave radar monitoring device 3 can be stably adjusted respectively, which enables the user to flexibly adjust the detection range of the radar according to actual needs. This flexibility enables the device to adapt to different bridge structures, different gap positions and different monitoring needs, ensuring that the radar beam can be accurately aimed at the bridge gap, thereby avoiding the monitoring blind spots or false alarms caused by inaccurate installation positions in traditional methods.

[0038] Working principle: During installation, multiple first fixed shafts 4 are fixed at specified positions by using fasteners, and then the first special groove block 9 is screwed by using a wrench compatible with the first special groove block 9. The rotating first special groove block 9 will drive the worm 8 to rotate through the worm shaft 7, and the rotating worm 8 can drive the worm wheel 5 to rotate. When the worm wheel 5 rotates, it will drive the gear 19 to rotate together through the first fixed shaft 4, so that under the meshing of the gear 19 and the arc-shaped rack plate 20, the rotating support 2 is driven to rotate a certain angle with the connection point between itself and the fixed base 1 as the center, thereby adjusting the left and right angle range of the millimeter wave radar monitoring device 3.

[0039] Furthermore, by using a wrench compatible with the second special groove block 14 to screw the second special groove block 14, the rotating second special groove block 14 will drive the H-shaped slider 12 to move up and down through the screw 13, and the H-shaped slider 12 moving up and down will drive the moving ring 11 and the connecting block 10 in the slide groove 15, as well as the connection point between the millimeter-wave radar monitoring device 3 and the rotating support 2 thereon to rotate as the center of the circle, thereby adjusting the pitch angle range of the millimeter-wave radar monitoring device 3.

[0040] Furthermore, the detection range of the millimeter-wave radar monitoring device 3 can be stably adjusted by setting the left and right adjustment components and the pitch adjustment components, which enables the user to flexibly adjust the detection range of the radar according to actual needs.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A millimeter wave radar monitoring bridge gap alarm device, characterized in that: The invention comprises a fixed base (1), a millimeter wave radar monitoring device (3) is arranged on the fixed base (1), the millimeter wave radar monitoring device (3) is used to monitor the change of the bridge gap, an alarm system is arranged in the millimeter wave radar monitoring device (3), and a pitch adjustment component is arranged on the fixed base (1), and the pitch adjustment component is used to adjust the pitch detection angle range of the millimeter wave radar monitoring device (3); A left-right adjustment component is provided on the fixed base (1), and the left-right adjustment component is used to adjust the left-right detection angle range of the millimeter wave radar monitoring device (3). A rotating support (2) is rotatably connected to the center position of the fixed base (1), and the millimeter wave radar monitoring device (3) is rotatably connected in the rotating support (2); The left-right adjustment assembly comprises a first fixed shaft (4), the first fixed shaft (4) is rotatably connected to the outer surface of one side of the rotating support (2), and a worm gear (5) is fixedly sleeved on the outer surface of the first fixed shaft (4); A gear (19) is fixedly sleeved on the outer surface of the first fixed shaft (4), and an arc-shaped rack plate (20) is fixedly connected to the outer surface of one side of the rotating support (2), and the gear (19) is meshingly connected with the arc-shaped rack plate (20).

2. The millimeter wave radar monitoring bridge gap alarm device according to claim 1 is characterized in that: A first housing (6) is movably mounted on the outer surface of one side of the rotating support (2); a worm shaft (7) is rotatably connected inside the first housing (6); a worm (8) is fixedly sleeved on the outer surface of the worm shaft (7); the worm (8) is meshingly connected with the worm wheel (5); the upper end of the worm shaft (7) rotates through the outer surface of the first housing (6); and the upper end of the worm shaft (7) is fixedly connected to a first special groove block (9).

3. The millimeter wave radar monitoring bridge gap alarm device according to claim 1 is characterized in that: The pitch adjustment assembly comprises a connecting block (10), the connecting block (10) is fixedly connected to the outer surface of the millimeter wave radar monitoring device (3), a second shell (16) is movably mounted on the outer surface of the rotating support (2), a shell slide groove (18) is provided on the outer surface of the second shell (16), and the connecting block (10) extends from the shell slide groove (18) into the second shell (16).

4. The millimeter wave radar monitoring bridge gap alarm device according to claim 3 is characterized in that: One end of the connecting block (10) extending into the second housing (16) is fixedly connected to a moving ring (11), a sliding groove (15) is provided on the outer surface of the moving ring (11), and an H-shaped sliding block (12) is provided on the moving ring (11), and the H-shaped sliding block (12) is adapted to the sliding groove (15).

5. The millimeter wave radar monitoring bridge gap alarm device according to claim 4 is characterized in that: The second outer shell (16) is rotatably connected to a screw rod (13) which is threadedly connected to an H-shaped slider (12). The upper end of the screw rod (13) rotates through the outer surface of the second outer shell (16) and is fixedly connected to a second special groove block (14).

6. The millimeter wave radar monitoring bridge gap alarm device according to claim 5, characterized in that: The outer surface of the second outer shell (16) is provided with an outer shell sliding groove (18), and the outer surface of the fixed base (1) is fixedly connected with a plurality of fixed mounting ears (17), and the fixed mounting ears (17) are used to insert fasteners to install and fix the fixed base (1).

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