Microwave radar reflection target

Abstract

The utility model discloses a microwave radar reflection target, which comprises a lockset, a connecting rod, an adjusting disc and a reflection target, the lockset comprises two pipe clamps which are connected with each other, one end of the connecting rod is connected with one pipe clamp, the adjusting disc is rotatably connected with the other end of the connecting rod, and the reflection target is connected with one end, deviating from the connecting rod, of the adjusting disc. The utility model belongs to the technical field of bridge detection, and aims to solve the problems that a radar target fixing device in the prior art is inconvenient to fix on a bridge cable, and the reflection angle of a target cannot be accurately adjusted along with the change of the mounting height and angle. The radar reflection target has the advantages that 360-degree angle adjustment of the horizontal plane of the radar target and 210-degree angle adjustment of the vertical plane of the radar target are achieved, practicability of the radar reflection target is improved, in addition, due to the fact that the two pipe clamps are directly clamped on the inhaul cable, connection between the reflection target and the bridge inhaul cable can be achieved, and convenience of connection of the reflection target is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge detection, in particular to a microwave radar reflection target. Background Art

[0002] The basic connotation of bridge health monitoring is to monitor and evaluate the condition of the bridge structure, issue early warning signals when the bridge is under special climate and traffic conditions or when the bridge operation condition is abnormally serious, and provide a basis and guidance for bridge maintenance and management decisions.

[0003] With the development of my country's transportation network, the importance of various large bridges in transportation engineering has become increasingly prominent. At present, many built bridges have entered the maintenance and repair stage. In order to prevent the occurrence of catastrophic events, it is necessary to conduct systematic inspections of bridges. In the process of bridge inspection, reflective targets are needed to reflect the electromagnetic wave signals emitted by radar.

[0004] During use, existing radar reflection targets have a single orientation and cannot be adjusted. As a result, during use, the radar target can only reflect signals from a single direction. When facing signals from other directions, the position of the radar target needs to be readjusted, which is very inconvenient. In addition, the existing radar target fixing device is not convenient for fixing on the bridge cable, and the reflection angle of the target cannot be adjusted as the installation height and angle change. Utility Model Content

[0005] To this end, the utility model provides a microwave radar reflection target to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] According to the first aspect of the present utility model, a microwave radar reflection target includes a lock, a connecting rod, an adjustment disk and a reflection target. The lock includes two interconnected pipe clamps, one end of the connecting rod is connected to one of the pipe clamps, the adjustment disk is rotatably connected to the other end of the connecting rod, and the reflection target is connected to the end of the adjustment disk facing away from the connecting rod.

[0008] Furthermore, it also includes a connecting nut. The connecting rod includes a rod body and a protrusion. The protrusion is provided in the middle of the rod body. The protrusion is connected to one of the pipe clamps through a connecting nut. One end of the rod body abuts against the pipe clamp, and the adjusting disk is rotatably connected to the other end of the rod body.

[0009] Furthermore, the adjustment disk includes an adjustment plate and a positioning plate, and an adjustment plate is connected to each end of the positioning plate. Both adjustment plates are rotatably connected to the end of the connecting rod away from the tube clamp and the two adjustment plates are respectively located on both sides of the connecting rod. The side of the positioning plate away from the adjustment plate is connected to the reflective target.

[0010] Furthermore, the lock further comprises a fixing bolt, and the two pipe clamps are connected by the fixing bolt.

[0011] Furthermore, the adjustment disk also includes a first screw and a second screw, the first screw is fixedly connected to the connecting rod, the two adjustment plates are rotatably connected to the first screw, and the two adjustment plates are fixedly connected to the connecting rod through the second screw.

[0012] Furthermore, the adjusting disk also includes a first nut and a second nut. Each adjusting plate is provided with an adjusting hole and a fixing hole. The first screw passes through one of the fixing holes, the connecting rod and the other fixing hole in sequence and is connected to the first nut. The second screw passes through one of the adjusting holes, the connecting rod and the other adjusting hole in sequence and is connected to the second nut.

[0013] Furthermore, the lock also includes a rubber pad, and the inner side wall of each pipe clamp is provided with a rubber pad.

[0014] Furthermore, the lock also includes a connecting portion and a threaded portion, one end of the connecting portion is connected to one of the pipe clamps, the other end of the connecting portion is connected to the threaded portion, and the protruding portion is connected to the threaded portion through a connecting nut.

[0015] Furthermore, the connecting nut includes a cap body and a baffle. The baffle is provided at one end of the cap body, the baffle abuts against the protrusion, and the cap body is sleeved on the protrusion and connected to the threaded portion.

[0016] Furthermore, the inner side wall of the cap body is provided with an internal thread, which is threadedly connected to the threaded portion.

[0017] The present invention has the following advantages: through the setting of the pipe clamp, the reflective target can be fixed at any position on the cable; due to the coordinated setting of the adjustment disk and the two pipe clamps, the angle of the reflective target can be adjusted according to demand, thereby realizing the angle adjustment of the radar target by 360° in the horizontal plane and 210° in the vertical plane, thereby improving the practicality of the radar reflective target; in addition, since the two pipe clamps are directly clamped on the cable, the reflective target can be connected to the bridge cable, thereby increasing the convenience of connecting the reflective target. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only exemplary, and those skilled in the art can also derive other implementation drawings based on the provided drawings without inventive effort.

[0019] The structures, proportions, sizes, etc. given in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by those familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in sizes that do not affect the efficacy and objectives of the present invention should still fall within the scope of the technical contents disclosed in the present invention.

[0020] Figure 1 A stereoscopic diagram of a microwave radar reflection target provided in some embodiments of the present invention.

[0021] Figure 2 A side view of a microwave radar reflection target provided in some embodiments of the present invention.

[0022] Figure 3 A cross-sectional view of a microwave radar reflection target provided in some embodiments of the present invention.

[0023] Figure 4 A microwave radar reflection target provided by some embodiments of the present invention Figure 3 One of the partial enlarged views.

[0024] Figure 5 A microwave radar reflection target provided by some embodiments of the present invention Figure 3 The second partial enlarged view.

[0025] Figure 6 A stereoscopic diagram of a lock with a microwave radar reflective target provided in some embodiments of the present invention.

[0026] Figure 7 A three-dimensional diagram of a microwave radar reflection target without a lock provided in some embodiments of the present invention.

[0027] Figure 8 A stereoscopic diagram of a microwave radar reflection target provided by some embodiments of the present invention, in which a connecting rod is connected to the reflection target via an adjustment disk.

[0028] Figure 9 A three-dimensional diagram of a connecting rod of a microwave radar reflection target provided in some embodiments of the present invention.

[0029] Figure 10 A three-dimensional diagram of a connecting nut of a microwave radar reflection target provided in some embodiments of the present invention.

[0030] Figure 11 A three-dimensional diagram of an adjustment plate of a microwave radar reflection target provided in some embodiments of the present invention.

[0031] Figure 12 This is a stereoscopic diagram of the connection between a second screw and a second nut of a microwave radar reflection target provided in some embodiments of the present invention.

[0032] In the figure: 1. lock, 11. pipe clamp, 111. clamping part, 112. connecting plate, 12. rubber pad, 13. fixing bolt, 14. fixing nut, 15. connecting part, 16. threaded part, 2. connecting rod, 21. rod body, 22. protruding part, 23. positioning hole, 24. rotating hole, 3. adjusting disk, 31. adjusting plate, 32. adjusting hole, 321. arc part, 322. mounting part, 33. fixing hole, 34. first screw, 35. second screw, 351. screw head, 352. screw rod body, 353. rotating step, 36. positioning plate, 37. first nut, 38. second nut, 381. nut member, 382. nut boss, 4. reflective target, 5. connecting nut, 51. cap body, 52. internal thread, 53. baffle. DETAILED DESCRIPTION

[0033] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0034] like Figures 1 to 12 As shown, a microwave radar reflection target in an embodiment of the first aspect of the present invention includes a lock 1, a connecting rod 2, an adjusting disk 3, and a reflection target 4. The lock 1 includes two interconnected pipe clamps 11, one end of the connecting rod 2 is connected to one of the pipe clamps 11, the adjusting disk 3 is rotatably connected to the other end of the connecting rod 2, and the reflection target 4 is connected to the end of the adjusting disk 3 facing away from the connecting rod 2.

[0035] In the above embodiment, it should be noted that each pipe clamp 11 includes a clamping portion 111 and a connecting plate 112. Connecting plates 112 are provided at both ends of the clamping portion 111. The connecting plates 112 of the two pipe clamps 11 are connected to each other, and the shapes of the two clamping portions 111 are both semicircular.

[0036] The technical effect achieved by the above embodiment is: when working, the reflective target is fixed on the bridge cable by the lock 1. Due to the setting of the pipe clamp 1, the reflective target can be fixed at any position on the cable. Due to the coordinated setting of the adjustment disk 3 and the two pipe clamps 11, the angle of the reflective target can be adjusted according to needs, thereby realizing the angle adjustment of the radar target by 360° in the horizontal plane and 210° in the vertical plane, thereby improving the practicality of the radar reflective target. In addition, since the two pipe clamps 11 are directly clamped on the cable, the reflective target can be connected to the bridge cable, thereby increasing the convenience of connecting the reflective target.

[0037] Optional, such as Figures 1 to 12 As shown, in some embodiments, it also includes a connecting nut 5, the connecting rod 2 includes a rod body 21 and a protrusion 22, the middle part of the rod body 21 is provided with a protrusion 22, the protrusion 22 is connected to one of the pipe clamps 11 through the connecting nut 5, one end of the rod body 21 is abutted against the pipe clamp 11, and the adjusting disk 3 is rotatably connected to the other end of the rod body 21; the lock 1 also includes a connecting part 15 and a threaded part 16, one end of the connecting part 15 is connected to one of the pipe clamps 11, the other end of the connecting part 15 is connected with the threaded part 16, and the protrusion 22 is connected to the threaded part 16 through the connecting nut 5; the connecting nut 5 includes a cap body 51 and a baffle 53, one end of the cap body 51 is provided with a baffle 53, the baffle 53 is abutted against the protrusion 22, and the cap body 51 is sleeved on the protrusion 22 and connected to the threaded part 16; the inner side wall of the cap body 51 is provided with an internal thread 52, and the internal thread 52 is screwed to the threaded part 16.

[0038] In the above optional embodiment, it should be noted that the rod body 21 and the protrusion 22 are integrally formed, the diameter of the protrusion 22 is larger than the diameter of the rod body 21 , and the bottom wall of the connecting nut 5 abuts against the protrusion 22 .

[0039] The beneficial effect of the above optional embodiment is that the cap body 51 is sleeved on the protrusion 22 through the abutment between the protrusion 22 and the baffle 53, and then connected to the threaded part 16 through the internal thread 52, thereby ensuring the reliability and convenience of the connection between the connecting rod 2 and the corresponding pipe clamp 11.

[0040] Optional, such as Figures 1 to 12As shown, in some embodiments, the adjusting disk 3 includes an adjusting plate 31 and a positioning plate 36, and an adjusting plate 31 is connected to each end of the positioning plate 36. The two adjusting plates 31 are rotatably connected to the end of the connecting rod 2 away from the tube clamp 11 and the two adjusting plates 31 are respectively located on both sides of the connecting rod 2, and the side of the positioning plate 36 away from the adjusting plate 31 is connected to the reflective target 4; the adjusting disk 3 also includes a first screw 34 and a second screw 35, the first screw 34 is fixedly connected to the connecting rod 2, the two adjusting plates 31 are rotatably connected to the first screw 34, and the two adjusting plates 31 are fixedly connected to the connecting rod 2 through the second screw 35; the adjusting disk 3 also includes a first nut 37 and a second nut 38, and each adjusting plate 31 is provided with an adjusting hole 32 and a fixing hole 33, the first screw 34 passes through one of the fixing holes 33, the connecting rod 2 and the other fixing hole 33 in sequence and is connected to the first nut 37, and the second screw 35 passes through one of the adjusting holes 32, the connecting rod 2 and the other adjusting hole 32 in sequence and is connected to the second nut 38.

[0041] In the above optional embodiments, it should be noted that the second screw 35 is a trapezoidal screw, that is, the second screw 35 includes a screw head 351, a screw rod body 352 and a rotating step 353, the screw head 351, the screw rod body 352 and the rotating step 353 are integrally formed, and the rotating step 353 is inserted into the adjustment hole 32 on one of the adjustment plates 31, and the second nut 38 is a trapezoidal nut, that is, the second nut 38 includes a nut member 381 and a nut boss 382, ​​the nut member 381 and the nut boss 382 are integrally formed, and the nut boss 382 is inserted into the adjustment hole 32 on the other adjustment plate 31, and the screw rod body 352 is screwed to the nut member 381.

[0042] One side wall of the adjustment hole 32 is an arc portion 321 , and the other side of the adjustment hole 32 is provided with a plurality of mounting portions 322 connected in sequence, and each mounting portion 322 is in the shape of an arc.

[0043] A positioning hole 23 and a rotation hole 24 are formed on the rod body 21 at intervals. The first screw 34 is inserted into the positioning hole 23 , and the second screw 35 is inserted into the rotation hole.

[0044] The working principle of this reflective target is: when it is necessary to adjust the horizontal angle of the reflective target, loosen the lock 11, rotate the lock 11 to the specified angle, and then tighten the two pipe clamps 11 of the lock 11; when it is necessary to adjust the vertical angle of the reflective target, loosen and pull out the second screw 35, rotate the connecting rod 2 to the specified angle position, insert the second screw 35 into the position of the mounting part 322 corresponding to one of the adjustment holes 32, and then insert it into the rotating hole 24, screw the second nut 38 to the second screw 35, and then make the nut boss 382 inserted into the adjustment hole 32 on the other adjustment plate 31, and then tighten the second screw 35 and the second nut 38.

[0045] The beneficial effect of the above optional embodiment is that the vertical angle of the reflective target can be adjusted according to needs through the arrangement of the arc portion 321, multiple mounting portions 322, the first screw 34, the second screw 35, the first nut 37 and the second nut 38, thereby increasing the convenience of adjustment.

[0046] Optional, such as Figures 1 to 12 As shown, in some embodiments, the lock 1 further includes a fixing bolt 13 , and the two pipe clamps 11 are connected by the fixing bolt 13 .

[0047] In the above optional embodiment, it should be noted that the lock 1 further includes a fixing nut 14 , and the fixing bolt 13 passes through the two pipe clamps 11 in sequence and is connected to the fixing nut 14 .

[0048] The beneficial effect of the above optional embodiment is that the connection reliability of the two pipe clamps 11 of the reflective target is increased by providing the fixing bolts 13 and the fixing nuts 14 .

[0049] Optional, such as Figures 1 to 12 As shown, in some embodiments, the lock 1 further includes a rubber pad 12 , and the inner side wall of each pipe clamp 11 is provided with a rubber pad 12 .

[0050] In the above optional embodiment, it should be noted that the rubber pad 12 and the pipe clamp 11 are connected by bonding.

[0051] The beneficial effect of the above optional embodiment is that the friction between the lock 1 and the bridge cable can be reduced by setting the rubber pad 12, and the fixing bolt 13 can be rotated tighter, thereby increasing the stability of the connection between the lock 1 and the bridge cable.

[0052] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, such modifications or improvements, without departing from the spirit of the present invention, are within the scope of protection claimed herein.

[0053] The terms such as "upper", "lower", "left", "right", "middle", etc. quoted in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

Claims

1. A microwave radar reflection target, characterized in that: The invention comprises a lock (1), a connecting rod (2), an adjustment disk (3) and a reflective target (4); the lock (1) comprises two mutually connected pipe clamps (11); one end of the connecting rod (2) is connected to one of the pipe clamps (11); the adjustment disk (3) is rotatably connected to the other end of the connecting rod (2); and the reflective target (4) is connected to the end of the adjustment disk (3) facing away from the connecting rod (2).

2. A microwave radar reflection target according to claim 1, characterized in that: The invention also includes a connecting nut (5), and the connecting rod (2) includes a rod body (21) and a protruding portion (22). The protruding portion (22) is provided in the middle of the rod body (21), and the protruding portion (22) is connected to one of the pipe clamps (11) via the connecting nut (5). One end of the rod body (21) abuts against the pipe clamp (11), and the adjusting disk (3) is rotatably connected to the other end of the rod body (21).

3. The microwave radar reflection target according to claim 1, characterized in that: The adjustment disk (3) comprises an adjustment plate (31) and a positioning plate (36), and one adjustment plate (31) is connected to each of the two ends of the positioning plate (36). The two adjustment plates (31) are rotatably connected to one end of the connecting rod (2) away from the pipe clamp (11), and the two adjustment plates (31) are respectively located on both sides of the connecting rod (2). The side of the positioning plate (36) away from the adjustment plate (31) is connected to the reflective target (4).

4. The microwave radar reflection target according to claim 1, characterized in that: The lock (1) further comprises a fixing bolt (13), and the two pipe clamps (11) are connected via the fixing bolt (13).

5. The microwave radar reflection target according to claim 3, characterized in that: The adjusting disk (3) further comprises a first screw (34) and a second screw (35), wherein the first screw (34) is fixedly connected to the connecting rod (2), the two adjusting plates (31) are rotatably connected to the first screw (34), and the two adjusting plates (31) are fixedly connected to the connecting rod (2) via the second screw (35).

6. The microwave radar reflection target according to claim 5, characterized in that: The adjusting plate (3) further comprises a first nut (37) and a second nut (38); each adjusting plate (31) is provided with an adjusting hole (32) and a fixing hole (33); the first screw rod (34) sequentially passes through one of the fixing holes (33), the connecting rod (2) and the other fixing hole (33) and is connected to the first nut (37); the second screw rod (35) sequentially passes through one of the adjusting holes (32), the connecting rod (2) and the other adjusting hole (32) and is connected to the second nut (38).

7. The microwave radar reflection target according to claim 1, characterized in that: The lock (1) further comprises a rubber pad (12), and the inner side wall of each pipe clamp (11) is provided with the rubber pad (12).

8. The microwave radar reflection target according to claim 2, characterized in that: The lock (1) further comprises a connecting portion (15) and a threaded portion (16), one end of the connecting portion (15) being connected to one of the pipe clamps (11), the other end of the connecting portion (15) being connected to the threaded portion (16), and the protruding portion (22) being connected to the threaded portion (16) via the connecting nut (5).

9. The microwave radar reflection target according to claim 8, characterized in that: The connecting nut (5) comprises a cap body (51) and a baffle (53). The baffle (53) is provided at one end of the cap body (51). The baffle (53) abuts against the protruding portion (22). The cap body (51) is sleeved on the protruding portion (22) and connected to the threaded portion (16).

10. The microwave radar reflection target according to claim 9, characterized in that: The inner side wall of the cap body (51) is provided with an internal thread (52), and the internal thread (52) is screwed to the threaded portion (16).

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