CN218974612U

CN218974612U - Geological radar multifunctional detection device

Info

Publication number: CN218974612U
Application number: CN202223350463.XU
Authority: CN
Inventors: 吴佳挺; 杨洪杰; 孙科杰; 杨良国; 王挺
Original assignee: Ningbo Zhengxin Detection Technology Co ltd
Current assignee: Ningbo Zhengxin Detection Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-05
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a multifunctional detection device for a geological radar, which belongs to the technical field of geological radars and comprises a bottom plate arranged on an automobile, a telescopic assembly movably arranged on the bottom plate, a rotating member and a radar placement box, wherein one end of the rotating member is connected with the telescopic assembly, and the other end of the rotating member is connected with the radar placement box. According to the utility model, the telescopic component and the rotating component are combined and connected with the radar antenna, so that the antenna can keep a fixed distance from the inner wall surface of the tunnel all the time in the moving process of the vehicle, interference factors of radar detection are reduced, and detection precision is improved.

Description

Geological radar multifunctional detection device

Technical Field

The utility model relates to the technical field of geological radar, in particular to a multifunctional geological radar detection device.

Background

The geological radar detection adopts superposition of continuous scanning electromagnetic wave reflection curves, utilizes the propagation of electromagnetic waves in rock mass in front of tunnel face, receives reflected signals through a signal acquisition system according to the reflection principle, and judges the distance between the reflecting interface (fault, weak interlayer and the like) in front of tunnel face and tunnel face so as to implement advanced geological prediction in tunnel construction period.

The amplitude and the phase of the electromagnetic wave are changed after the electromagnetic wave encounters different electric reflection interfaces, and the amplitude intensity degree and the phase change of the electromagnetic wave reflection are determined by the magnitude of the medium electric difference. The rock breaking degree and the water content are main factors influencing the electrical constants of the rock, and the change condition of surrounding rock in front of the face is judged according to the measurement result.

Due to the propagation characteristics of electromagnetic waves, geological radar detection methods are considered as the geophysical method with the highest resolution at present and are often used for advanced geological prediction of tunnels.

At present, a vehicle is used as a carrier to carry radar detection equipment, and the detection can be carried out on the wall surface, the vault and the like in the tunnel rapidly through the tunnel, so that the detection efficiency is improved, and the accuracy is higher. However, in practical application, it is found that the vehicle is difficult to maintain parallel movement with the inner wall surface of the tunnel in the moving process, so that the distance between the radar antenna and the inner wall surface of the tunnel can be fluctuated, and a certain influence is caused on the detection result of the geological radar.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a multifunctional geological radar detection device which adopts a telescopic component and a rotating component to be connected with a radar antenna, and can always maintain the fixed distance between the antenna and the inner wall surface of a tunnel in the moving process of a vehicle.

In order to solve the technical problems, the utility model solves the problems that the vehicle cannot always keep parallel to the inner wall surface of the tunnel in the advancing process, and the distance between the radar antenna and the inner wall surface of the tunnel is always in a fluctuation state.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multi-functional detection device of geological radar, includes the flexible subassembly on the bottom plate of installing on the car, activity locate on the bottom plate, still includes rotation member, radar arrangement box, rotation member one end is connected with flexible subassembly, the other end is connected with radar arrangement box.

Preferably, the bottom plate is provided with a movable base, and the movable base is fixed on the bottom plate and is rotationally connected with the telescopic assembly.

Preferably, the telescopic assembly comprises an air cylinder and a telescopic rod, wherein the air cylinder is arranged on the movable base, and one end of the telescopic rod penetrates into the air cylinder and is in sliding fit with the air cylinder.

Preferably, the telescopic assembly further comprises a limiting rod, a limiting seat and a spring A, the end portion of the telescopic rod penetrates into the limiting rod, a limiting cavity is formed in the limiting rod, the limiting rod is fixedly connected with the limiting seat, the spring A is arranged in the limiting cavity, and the spring A is in contact with the telescopic rod.

Preferably, the rotating member comprises a first fixing seat, a second fixing seat and a rotating part, wherein the first fixing seat is arranged on the limiting seat and is fixedly connected with the rotating part, one end of the rotating part is connected with the first fixing seat, and the other end of the rotating part is in rotating fit with the second fixing seat.

Preferably, the rotating part comprises a main rod and an auxiliary rod, the main rod is fixedly arranged in the middle of one end of the first fixing seat, the auxiliary rods are circumferentially and uniformly distributed on the first fixing seat, and the other ends of the main rod and the auxiliary rod are rotationally connected with the second fixing seat.

Preferably, the mobile jib includes first gag lever post, spin ball A, spin ball groove A, first gag lever post is located first fixing base middle part, spin ball A is fixed in first gag lever post tip and with spin ball groove A normal running fit, spin ball groove A is fixed in the second fixing base middle part.

Preferably, the auxiliary rod comprises a fixed rod, a second limiting rod and a spring B, wherein the fixed rod is arranged on the first fixing seat and is provided with a cavity, the spring B is arranged inside the cavity, and one end of the second limiting rod penetrates into the fixed rod and is in contact with the spring B.

Preferably, the auxiliary rod further comprises a rotating ball B and a rotating ball groove B, wherein the rotating ball B is fixed on the second limiting rod, and the rotating ball groove B is fixed on the second fixing seat and is in rotating fit with the rotating ball B.

Preferably, the radar placement box comprises a box body, an extension rod and universal wheels, wherein a radar antenna is installed in the box body, the box body is fixedly connected with the second fixing seat, the extension rod is arranged at the end part of the box body, and the universal wheels are connected with the extension rod.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model provides a geological radar multifunctional detection device, which adopts a telescopic component and a rotating component to be combined and connected with a radar antenna, so that the antenna can keep a fixed distance from the inner wall surface of a tunnel all the time in the moving process of a vehicle, interference factors of radar detection are reduced, and detection precision is improved.

(2) The utility model is provided with the spring A, which has a buffering effect, so that the radar placement box can keep being attached to the inclined plane of the tunnel all the time when the vehicle moves in a direction not parallel to the inclined plane of the tunnel.

(3) The main rod is used for supporting the radar placement box, the radar placement box is inclined and adjusted around the main rod, the auxiliary rod assists the main rod to stabilize the radar placement box and avoid excessive inclination of the radar placement box, and the auxiliary rod is used for controlling the radar placement box to incline and attach according to different positions of the inner wall surface of the tunnel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the present utility model after rotation;

FIG. 3 is a schematic view of a telescopic assembly according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a telescopic assembly according to the present utility model;

FIG. 5 is a schematic view of a rotating member according to the present utility model;

FIG. 6 is a schematic view of an exploded construction of a rotating member according to the present utility model;

FIG. 7 is a schematic cross-sectional view of a secondary rod according to the present utility model;

fig. 8 is a schematic view of the main lever and the auxiliary lever according to the present utility model.

Description of the figure: 1. a bottom plate; 11. a movable base; 2. a telescoping assembly; 21. a cylinder; 22. a telescopic rod; 23. a limit rod; 24. a limit seat; 25. a spring A; 3. a rotating member; 31. a first fixing seat; 32. the second fixing seat; 33. a rotating part; 34. a main rod; 341. a first stop lever; 342. rotating the ball A; 343. rotating the ball groove A; 35. an auxiliary rod; 351. a fixed rod; 352. a second limit rod; 353. a spring B; 354. rotating the ball B; 355. rotating the ball groove B; 4. a radar mounting box; 41. a case body; 42. an extension rod; 43. and a universal wheel.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Example 1:

referring to fig. 1-3, a geological radar multifunctional detection device comprises a bottom plate 1 installed on an automobile, a telescopic component 2 movably arranged on the bottom plate 1, a rotating member 3 and a radar placement box 4, wherein one end of the rotating member 3 is connected with the telescopic component 2, and the other end is connected with the radar placement box 4.

The bottom plate 1 is provided with a movable base 11, the movable base 11 is fixed on the bottom plate 1 and is rotationally connected with the telescopic assembly 2, and the telescopic assembly 2 rotates left and right in a range of 180 degrees on the movable base 11.

The telescopic assembly 2 comprises an air cylinder 21 and a telescopic rod 22, wherein the air cylinder 21 is arranged on the movable base 11, and one end of the telescopic rod 22 penetrates into the air cylinder 21 and is in sliding fit with the air cylinder 21.

The telescopic assembly 2 further comprises a limiting rod 23, a limiting seat 24 and a spring A25, the end part of the telescopic rod 22 penetrates into the limiting rod 23, a limiting cavity is formed in the limiting rod 23, the limiting rod 23 is fixedly connected with the limiting seat 24, the spring A25 is arranged in the limiting cavity, and the spring A25 is in contact with the telescopic rod 22.

In the embodiment, the air cylinder 21 and the telescopic rod 22 are matched to stretch, the spring A25 has a buffering effect, and when a certain part of a tunnel is detected, the air cylinder 21 drives the telescopic rod 22 to extend out a certain distance, so that the radar placement box 4 is attached to the inner wall surface of the tunnel; when detecting the tunnel inclined plane, because the car can not keep moving parallel to the tunnel inclined plane all the time, spring A25 initial state is slight compression state, and when the car is kept away from the tunnel inclined plane, spring A25 stretches, and when the car is close to the tunnel inclined plane, spring A25 compresses for radar placement box 4 keeps laminating the tunnel inclined plane all the time.

Example 2:

referring to fig. 4-8, the rotating member 3 includes a first fixing base 31, a second fixing base 32, and a rotating portion 33, where the first fixing base 31 is disposed on the limiting base 24 and is fixedly connected to the rotating portion 33, one end of the rotating portion 33 is connected to the first fixing base 31, and the other end is in rotation fit with the second fixing base 32.

The rotating part 33 comprises a main rod 34 and an auxiliary rod 35, the main rod 34 is fixedly arranged in the middle of one end of the first fixed seat 31, the auxiliary rods 35 are circumferentially uniformly distributed on the first fixed seat 31, and the other ends of the main rod 34 and the auxiliary rod 35 are rotationally connected with the second fixed seat 32; .

The main lever 34 includes a first limiting rod 341, a rotating ball a342, and a rotating ball groove a343, where the first limiting rod 341 is disposed in the middle of the first fixing seat 31, the rotating ball a342 is fixed on the end of the first limiting rod 341 and is rotationally matched with the rotating ball groove a343, and the rotating ball groove a343 is fixed in the middle of the second fixing seat 32.

The auxiliary rod 35 comprises a fixed rod 351, a second limiting rod 352 and a spring B353, wherein the fixed rod 351 is arranged on the first fixed seat 31 and is provided with a cavity, the spring B353 is arranged in the cavity, and one end of the second limiting rod 352 penetrates into the fixed rod 351 and is in contact with the spring B353; spring B353 compresses the spring back to help radar mounting box 4 better conform to the wall surface within the tunnel.

The auxiliary rod 35 further comprises a rotating ball B354 and a rotating ball groove B355, wherein the rotating ball B354 is fixed on the second limiting rod 352, and the rotating ball groove B355 is fixed on the second fixing seat 32 and is in rotating fit with the rotating ball B354.

The radar placement box 4 comprises a box body 41, an extension rod 42 and a universal wheel 43, wherein a radar antenna is arranged in the box body 41, the box body 41 is fixedly connected with the second fixing seat 32, the extension rod 42 is arranged at the end part of the box body 41, and the universal wheel 43 is connected with the extension rod 42; the extension rod 42 makes box body 41 keep a certain distance with the interior wall of tunnel, and universal wheel 43 has the effect of reducing friction, and its laminating tunnel interior wall slides, and extension rod 42 cooperates with universal wheel 43 for the radar antenna need not the manual work to lift, and can keep the same distance with the interior wall of tunnel all the time, has guaranteed the accuracy of measuring and calculating.

In this embodiment, the main rod 34 is used for supporting the radar placement box 4, so that the radar placement box 4 can be tilted around the main rod 34, the auxiliary rod 35 assists the main rod 34 to stabilize the radar placement box 4, excessive tilting of the main rod is avoided, and the auxiliary rod 35 is simultaneously used for controlling the radar placement box 4 to tilt and fit according to different positions of the inner wall surface of the tunnel.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. A geological radar multifunctional detection device is characterized in that: including installing bottom plate (1) on the car, flexible subassembly (2) on bottom plate (1) are located in the activity, still include rotating member (3), radar arrangement box (4), rotating member (3) one end is connected with flexible subassembly (2), the other end is connected with radar arrangement box (4), be equipped with movable base (11) on bottom plate (1), movable base (11) are fixed in on bottom plate (1) and are connected with flexible subassembly (2) rotation, flexible subassembly (2) include cylinder (21), telescopic link (22), cylinder (21) are installed on movable base (11), inside and rather than sliding fit of telescopic link (22) one end penetrating cylinder (21), telescopic link (2) still include gag lever (23), limit seat (24), spring A (25), inside gag lever (22) tip penetrates gag lever post (23), inside is equipped with spacing cavity, gag lever post (23) are connected fixedly with limit seat (24), in spring A (25), spacing spring A (25) contact.

2. A geological radar multifunction detecting device according to claim 1, wherein: the rotating member (3) comprises a first fixing seat (31), a second fixing seat (32) and a rotating part (33), wherein the first fixing seat (31) is arranged on the limiting seat (24) and is fixedly connected with the rotating part (33), one end of the rotating part (33) is connected with the first fixing seat (31), and the other end of the rotating part is in rotating fit with the second fixing seat (32).

3. A geological radar multifunction detecting device according to claim 2, wherein: the rotating part (33) comprises a main rod (34) and an auxiliary rod (35), wherein the main rod (34) is fixedly arranged at the middle part of one end of the first fixing seat (31), the auxiliary rods (35) are circumferentially and uniformly distributed on the first fixing seat (31), and the other ends of the main rod (34) and the auxiliary rod (35) are rotationally connected with the second fixing seat (32).

4. A geological radar multifunction detecting device according to claim 3, wherein: the main rod (34) comprises a first limiting rod (341), a rotating ball A (342) and a rotating ball groove A (343), wherein the first limiting rod (341) is arranged in the middle of the first fixing seat (31), the rotating ball A (342) is fixed at the end of the first limiting rod (341) and is in rotating fit with the rotating ball groove A (343), and the rotating ball groove A (343) is fixed in the middle of the second fixing seat (32).

5. The geological radar multifunctional detecting device according to claim 4, wherein: the auxiliary rod (35) comprises a fixed rod (351), a second limiting rod (352) and a spring B (353), wherein the fixed rod (351) is arranged on the first fixed seat (31) and is provided with a cavity, the spring B (353) is arranged inside the cavity, and one end of the second limiting rod (352) penetrates into the fixed rod (351) and is in contact with the spring B (353).

6. The geological radar multifunctional detecting device according to claim 5, wherein: the auxiliary rod (35) further comprises a rotating ball B (354) and a rotating ball groove B (355), wherein the rotating ball B (354) is fixed on the second limiting rod (352), and the rotating ball groove B (355) is fixed on the second fixing seat (32) and is in rotating fit with the rotating ball B (354).

7. The geological radar multifunctional detecting device according to claim 6, wherein: the radar placement box (4) comprises a box body (41), an extension rod (42) and universal wheels (43), wherein a radar antenna is installed in the box body (41), the box body (41) is fixedly connected with a second fixing seat (32), the extension rod (42) is arranged at the end part of the box body (41), and the universal wheels (43) are connected with the extension rod (42).