CN218213588U - A corner reflector - Google Patents

Abstract

The present application relates to the field of remote sensing technology, in particular to a corner reflector. It includes a fixed base, a height adjustment mechanism, an angle adjustment mechanism and a corner reflector. The bottom of the height adjustment mechanism is fixedly connected with the fixed base. The angle adjustment mechanism includes a swing rod and a swing assembly. Swing up and down, the top of the swing rod is connected with the corner reflector; the corner reflector includes a bottom plate and a reflective panel perpendicular to the bottom plate, the bottom plate and the reflective panel are fixedly connected or integrally formed, the number of reflective panels is not less than three, and the number of each reflective panel One vertical side and the vertical side closest to the other reflective panel form a set of reflective surfaces, and the angle between the two vertical sides of each set of reflective surfaces is 90°. The reflector in this application can independently and simultaneously receive remote sensing signals from three different incident directions, and can adjust the horizontal and vertical angles of the corner reflector as required.

Description

A corner reflector

technical field

The present application relates to the technical field of remote sensing, in particular to a corner reflector.

Background technique

With the development of urbanization in our country, the construction volume is huge, and the construction process will have an adverse impact on the buildings (structures) in the area, resulting in large economic losses. Therefore, deformation monitoring during the construction process is particularly important. It can be combined with Corner reflectors and remote sensing deformation technology are used to monitor deformation during construction.

The corner reflector is a radio wave reflection device composed of several mutually perpendicular metal plates or other conductive material planes. When a light is incident, it can be reflected back in a direction parallel to the incident light after being reflected by two plane mirrors perpendicular to each other. . The light rays incident on the corner reflector in any direction in space can be reflected twice or at most three times, and then emitted along the direction opposite to the original incident direction. When the radar electromagnetic wave scans the triangular reflector, the electromagnetic wave will be refracted and amplified on the metal corner, and a strong echo target will appear on the radar screen. The corner reflector is often used for distance measurement and road guidance.

Remote sensing deformation technology has the characteristics of wide measurement range, all-weather and all-weather acquisition of surface information, and the ability to penetrate the influence of clouds, which can realize the deformation monitoring of small deformations of buildings (structures). Remote sensing deformation monitoring technology includes satellite remote sensing deformation monitoring technology, ground-based radar remote sensing deformation monitoring technology and UAV remote sensing deformation monitoring technology. The remote sensing deformation monitoring technology has different incident directions and incident angles of remote sensing signals, and most of the existing corner reflectors are unidirectional vertical trihedral structures, and it is difficult to adjust the vertical angle, so it is impossible to simultaneously receive different incident angles and different incident directions independently. remote sensing signal.

Utility model content

In order to improve the defects existing in the prior art, the present application provides a corner reflector.

The corner reflector provided by this application adopts the following technical scheme:

A corner reflection device, comprising a fixed base, a height adjustment mechanism, an angle adjustment mechanism and a corner reflector, the bottom of the height adjustment mechanism is fixedly connected to the fixed base, the angle adjustment mechanism includes a swing rod and a swing assembly, the The swing rod is rotatably connected to the height adjustment mechanism through the swing assembly and can swing up and down, and the top of the swing rod is connected to the corner reflector; the corner reflector includes a bottom plate and a reflective panel perpendicular to the bottom plate, The bottom plate is fixedly connected or integrally formed with the reflective panel, the number of the reflective panels is not less than three, and one vertical side of each reflective panel is the closest vertical side to the other reflective panel A set of reflective surfaces is formed, and the angle between the two vertical sides of each set of reflective surfaces is 90°.

By adopting the above technical solution, the incident signal in any direction is reflected twice on two mutually perpendicular reflecting surfaces, and the reflected signal can be reflected back in a direction parallel to the original incident signal, and at least includes three sets of reflecting surfaces, which can receive multiple The remote sensing signals in different directions; the swing rod and the swing assembly can realize the up and down swing of the corner reflector, and comprehensively realize that a single corner reflector can receive multiple remote sensing signals of different incident directions and different incident angles at the same time.

Optionally, the reflective panel has a tetrahedral structure whose thickness gradually increases from the middle of the bottom plate to the outer periphery, the number of the reflective panels is three, and the three reflective panels are evenly spaced along the circumference of the bottom plate and The inner sides of the three reflective panels are arranged against each other.

By adopting the above technical scheme, three reflective panels with a tetrahedral structure constitute three sets of reflective surfaces, which can simultaneously receive remote sensing signals in three directions from remote sensing satellites, ground-based radars, and drones, and convert them according to the original incident signal. Parallel directions are reflected back.

Optionally, the two vertical side surfaces of each group of reflective surfaces have the same area.

By adopting the above technical solution, a signal incident on any one of the reflective surfaces can be reflected back through the other reflective surface, thereby improving the signal collection breadth.

Optionally, the height adjustment mechanism includes a first adjustment rod, a second adjustment rod and a positioning member, the bottom of the first adjustment rod is fixedly connected with the fixed base, the first adjustment rod is a hollow structure, and the The second adjusting rod slides through the inside of the first adjusting rod and can be locked by the positioning member.

By adopting the above technical solution, the second adjusting rod can slide up and down in the first adjusting rod, so that the whole device can be raised and lowered, and the positioning piece is used for locking, so that the whole device can be fixed at a selected height.

Optionally, the first adjusting rod is provided with a first positioning hole, and the second adjusting rod is provided with a second positioning hole corresponding to the first positioning hole, and the first positioning hole is connected to the first positioning hole. The second positioning holes are arranged along the vertical direction and the total number is not less than 3.

By adopting the above technical solution, the positioning holes are used for inserting positioning components such as screws and nuts, so as to achieve height fixing, and the locking method is easy to implement, making the operation more convenient.

Optionally, both the first adjusting rod and the second adjusting rod are square steel pipes.

By adopting the above technical scheme, when adjusting the angle of the corner reflector, the bending resistance of the square structure in the direction of the main axis is stronger, which is beneficial to ensure the overall stability of the rod and improve the bearing capacity of the rod; and the square steel pipe is a primary cooling Bending welding forming, the processing technology is relatively simple, and the processing cost is low.

Optionally, the swing assembly includes a first nut and a first screw rod, a groove is opened on the top of the second adjustment rod, and the groove runs through both sides of the top of the second adjustment rod, and the bottom of the swing rod is located at In the groove, the first screw rod traverses through the bottom of the swing rod, and the first screw rod is rotatably connected with the top of the second adjusting rod and locked by a first nut.

By adopting the above technical solution, the swing rod can swing up and down through the first screw rod in the groove on the top of the second adjustment rod, the swing angle ranges from 0° to 180°, and the first nut is connected with the first screw rod to realize locking. In this way, the angle of the corner reflector in the vertical direction can be changed, and the structure of the swing rod and the swing assembly is simple, easy to implement, and low in processing cost.

Optionally, the swing rod is a hollow structure, and the upper end of the swing rod is provided with a sealing plate, and the angle adjustment mechanism further includes a second nut located at the upper end of the sealing plate, and a spot welded joint connected to the lower end of the sealing plate. The third nut and the support rod passing through the sealing plate, one end of the support rod is fixedly connected with the corner reflector, and the other end is embedded in the inside of the swing rod, the support rod is rotatably connected with the swing rod and can Locked by the second nut.

By adopting the above-mentioned technical scheme, the corner reflector can be rotated by loosening the second nut, and the angle of the corner reflector in the horizontal direction can be adjusted, and the third nut and the sealing plate can stabilize the support bar together, so that the support bar can drive the corner reflector in the horizontal direction. When rotating in the horizontal direction, there will be no rotation in other directions, making the corner reflector more stable.

Optionally, a bearing plate for supporting the support rod is welded inside the swing rod.

By adopting the above technical solution, the bearing plate supports the supporting rod and the corner reflector, which can enhance the stability of the corner reflector.

Optionally, the fixed base is a circular steel plate, and the circular steel plate is provided with bolt holes.

By adopting the above technical solution, the bolt holes are used for inserting bolts, so that the device is fixed on the ground, and the overall stability of the device is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Three reflective panels with a tetrahedral structure constitute three sets of reflective surfaces in total, and the signal incident on any one of the reflective surfaces can be reflected back through the other reflective surface, so that a single corner reflector can receive signals from different incident signals at the same time. The purpose of the remote sensing signal of direction.

2. The vertical and horizontal angles of the corner reflector can be changed by controlling the angle adjustment mechanism, and the operation is convenient and easy to implement.

3. The height adjustment mechanism can adjust the overall height of the device according to needs, and can make it fixed at the selected height.

4. The square steel pipe is beneficial to ensure the overall stability of the bar and improve the bearing capacity of the bar, and the processing technology is relatively simple and the processing cost is low.

5. The circular steel plate is used as the base, and it is reinforced by bolts, which improves the overall stability of the device.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a corner reflector in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a corner reflector in an embodiment of the present application.

Fig. 3 is a sectional view of the angle adjustment mechanism in the embodiment of the present application.

Explanation of reference signs: 1, fixed base; 11, circular steel plate; 111, bolt hole; 2, height adjustment mechanism; 21, first adjustment rod; 211, first positioning hole; 22, second adjustment rod; 221, The second positioning hole; 222, groove; 23, positioning piece; 231, positioning nut; 232, positioning screw; 3, angle adjustment mechanism; 31, swing rod; 311, sealing plate; 32, swing assembly; 321, the first Nut; 322, first screw rod; 33, rotating assembly; 331, second nut; 332, third nut; 333, support rod; 4, corner reflector; 41, base plate; 42, reflective panel; 5, bearing plate.

detailed description

The present application will be described in further detail below in conjunction with accompanying drawings 1-3.

With reference to Fig. 1, a kind of corner reflection device comprises fixed base 1, height adjustment mechanism 2, angle adjustment mechanism 3 and corner reflector 4, and height adjustment mechanism 2 is arranged vertically, and the bottom of height adjustment mechanism 2 is welded and fixed with fixed base 1, The top of the height adjustment mechanism 2 is movably connected with the angle adjustment mechanism 3 , the angle adjustment mechanism 3 is rotatably connected with the height adjustment mechanism 2 , and the top of the angle adjustment mechanism 3 is rotatably connected with the corner reflector 4 . By adjusting the height adjustment mechanism 2, the corner reflector can be lifted; controlling the angle adjustment mechanism 3 can realize the purpose of the corner reflector 4 rotating in the horizontal and vertical directions.

Referring to Fig. 1, the fixed base 1 is fixedly connected with the first adjusting rod 21, the fixed base 1 is a circular steel plate 11, and the circular steel plate 11 is symmetrically provided with equally spaced bolt holes 111, when the whole reflector is placed on the ground, Inserting bolts in the bolt holes 111 can fix the device on the ground.

Referring to Fig. 1, the height adjustment mechanism 2 includes a first adjustment rod 21, a second adjustment rod 22 and a positioning member 23, the first adjustment rod 21 is made of a hollow material, and the second adjustment rod 22 slides through the inside of the first adjustment rod 21, The entire device can be raised and lowered by adjusting the first adjusting rod 21 and the second adjusting rod 22 . The first adjusting rod 21 is provided with a first positioning hole 211, and the second adjusting rod 22 is provided with a second positioning hole 221 corresponding to the first positioning hole 211. The first positioning hole 211 and the second positioning hole 221 are arranged vertically. Vertical orientation setting.

The positioning member 23 in this embodiment is a positioning nut 231 and a positioning screw rod 232. The positioning screw rod 232 that is connected with the positioning nut 231 is inserted into the first positioning hole 211 and the second positioning hole 221, and the positioning nut 231 is tightened. The locking of the first adjusting rod 21 and the second adjusting rod 22 . Both the first adjusting rod 21 and the second adjusting rod 22 are square steel pipes, which can enhance the stability of the corner reflector 4 .

With reference to Fig. 2, reflector comprises base plate 41 and three reflective panels 42 perpendicular to base plate 41, reflective panel 42 is the tetrahedron structure that thickness gradually increases from the middle part of base plate 41 to the peripheral direction, base plate 41 is hexagonal, reflective panel The inner sides of 42 are all arranged against each other, and one vertical side of each reflective panel 42 forms a set of reflective surfaces with the vertical side closest to the other reflective panel 42, which contains three sets of reflective surfaces, so it can receive signals from three reflective panels. remote sensing signals in one direction. The angle between the two vertical sides of each set of reflective surfaces is 90°, and the two side surfaces of each set of reflective surfaces have the same area, so that all incident signals can be transmitted in a direction parallel to the original incident direction after two reflections. Reflect back.

1 and 3, the top of the second adjusting rod 22 is provided with a groove 222, the groove 222 runs through both sides of the top of the second adjusting rod 22, the angle adjusting mechanism 3 includes a swing rod 31 and a swing assembly 32, and the swing assembly 32 includes The first nut 321 and the first screw rod 322, the first screw rod 322 passes through the top of the second adjusting rod 22, the bottom of the swing rod 31 is located in the groove 222 and is rotationally connected with the top of the second adjusting rod 22 by the first screw rod 322, the second A nut 321 is mated and connected to the first screw rod 322 to realize locking. Loosen the first nut 321, the swing rod 31 can swing up and down with the first screw rod 322 as the rotation axis, and the swing angle ranges from 0° to 180°. Tighten the first nut 321 to realize locking.

With reference to Fig. 1 and Fig. 3, swing bar 31 is hollow structure, and the upper end of swing bar 31 is provided with sealing plate 311, and angle adjustment mechanism 3 also comprises the second nut 331 that is positioned at the sealing plate 311 upper ends, is connected with the spot welding of sealing plate 311 bottoms. The third nut 332 and the support rod 333 passing through the sealing plate 311 . The top of the support rod 333 is fixedly connected to the corner reflector 4 , and the second nut 331 and the third nut 332 are sheathed on the support rod 333 , and are respectively located on the upper and lower sides of the sealing plate 311 .

Loosen the second nut 331, the support rod 333 can drive the corner reflector 4 to rotate in the horizontal direction; tighten the second nut 331, can realize horizontal braking, and the horizontal angle of the corner reflector 4 is fixed. The third nut 332 is connected with the sealing plate 311 by spot welding, and plays a stabilizing effect on the support rod 333, so that the corner reflector 4 is more stable after the horizontal angle is determined.

Referring to Fig. 1 and Fig. 3, the inside of the swing rod 31 is welded with a bearing plate 5, the top of the bearing plate 5 is in contact with the bottom of the support rod 333, and the load plate 5 is made of a steel plate material, and is connected to the support rod 333 and the corner reflector 4 As a supporting function, when the corner reflector 4 is rotated, the presence of the bearing plate 5 makes the support rod 333 and the corner reflector 4 stable in the vertical direction.

The implementation principle of the embodiment of the present application is as follows: first insert bolts on the fixed base 1, fix the device on the ground, adjust the second adjusting rod 22 and use the positioning screw 232 and the positioning nut 231 to lock it to a certain height; The first nut 321 and turning the swing rod 31 can swing up and down, thereby adjusting the vertical angle of the corner reflector 4; twisting the second nut 331 and turning the support rod 333 can drive the corner reflector 4 to rotate in the horizontal direction, thereby adjusting the angle Horizontal angle of reflector 4. Three groups of reflective surfaces can receive remote sensing signals from three directions and reflect them back in a direction parallel to the original incident direction, generating strong echo signals.

The embodiments of this specific embodiment are all preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly, wherein the same components are represented by the same reference numerals. Therefore: all equivalent changes made according to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims (10)

1. A corner reflector is characterized in that it comprises a fixed base (1), a height adjustment mechanism (2), an angle adjustment mechanism (3) and a corner reflector (4), and the bottom of the height adjustment mechanism (2) is connected to The fixed base (1) is fixedly connected, and the angle adjustment mechanism (3) includes a swing rod (31) and a swing assembly (32), and the swing rod (31) is connected to the height through the swing assembly (32). The adjustment mechanism (2) is rotatably connected and can swing up and down, and the top of the swing rod (31) is connected with the corner reflector (4); The corner reflector (4) includes a base plate (41) and a reflective panel (42) perpendicular to the base plate (41), the base plate (41) is fixedly connected or integrally formed with the reflective panel (42), so The number of the reflective panels (42) is not less than three, and one vertical side of each of the reflective panels (42) and the vertical side closest to the other reflective panel (42) form a set of reflective surfaces, The angle between the two vertical sides of each set of reflective surfaces is 90°. 2. The corner reflector according to claim 1, characterized in that, the reflective panel (42) has a tetrahedral structure whose thickness gradually increases from the middle of the bottom plate (41) to the outer periphery, and the reflective panel ( The number of 42) is three, and the three reflective panels (42) are evenly spaced along the circumference of the bottom plate (41), and the inner sides of the three reflective panels (42) are arranged against each other. 3. The corner reflector according to claim 2, wherein the two vertical side surfaces of each set of reflective surfaces have the same area. 4. The corner reflector according to claim 1, characterized in that, the height adjustment mechanism (2) comprises a first adjustment rod (21), a second adjustment rod (22) and a positioning member (23), the The bottom of the first adjusting rod (21) is fixedly connected with the fixed base (1), the first adjusting rod (21) is a hollow structure, and the second adjusting rod (22) slides through the first adjusting rod (22). The inside of the rod (21) and can be locked by a locator (23). 5. The corner reflection device according to claim 4, characterized in that, the first adjusting rod (21) is provided with a first positioning hole (211), and the second adjusting rod (22) is provided with a The second positioning hole (221) corresponding to the first positioning hole (211) mentioned above; The first positioning hole (211) and the second positioning hole (221) are arranged vertically and the total number is not less than 3; the positioning member (23) is detachably plugged into the first The positioning hole (211) is connected with the second positioning hole (221). 6. The corner reflection device according to claim 4 or 5, characterized in that, both the first adjusting rod (21) and the second adjusting rod (22) are square steel pipes. 7. The corner reflector according to claim 4 or 5, characterized in that, the swing assembly (32) comprises a first nut (321) and a first screw (322), and the second adjusting rod (22) The top is provided with a groove (222), the groove (222) runs through both sides of the top of the second adjustment rod (22), and the bottom of the swing rod (31) is located in the groove (222); The first screw rod (322) traverses through the bottom of the swing rod (31), the first screw rod (322) is rotationally connected with the top of the second adjusting rod (22) and passed through the first nut ( 321) Locked. 8. The corner reflection device according to any one of claims 1 to 5, characterized in that, the swing rod (31) is a hollow structure, and the upper end of the swing rod (31) is provided with a sealing plate (311), so The angle adjustment mechanism (3) also includes a second nut (331) located at the upper end of the sealing plate (311), a third nut (332) fixedly connected to the lower end of the sealing plate (311) and a The support rod (333) of (311); One end of the support rod (333) is fixedly connected to the corner reflector (4), and the other end is embedded inside the swing rod (31), and the support rod (333) is rotatably connected to the swing rod (31) And the locking can be realized through the second nut (331). 9. The corner reflector according to claim 8, characterized in that, a bearing plate (5) for supporting the support rod (333) is welded inside the swing rod (31). 10. The corner reflection device according to claim 1, characterized in that, the fixed base (1) is a circular steel plate (11), and the circular steel plate (11) is provided with bolt holes (111).

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