CN217007676U - Tunnel detection ground penetrating radar device - Google Patents
Tunnel detection ground penetrating radar device Download PDFInfo
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- CN217007676U CN217007676U CN202122603003.2U CN202122603003U CN217007676U CN 217007676 U CN217007676 U CN 217007676U CN 202122603003 U CN202122603003 U CN 202122603003U CN 217007676 U CN217007676 U CN 217007676U
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- penetrating radar
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Abstract
The utility model discloses a ground penetrating radar device for tunnel detection, which comprises a moving device, wherein a box body is arranged in the moving device, a display is arranged on the side surface of the box body, a ball screw is arranged in the box body along the height direction of the box body, guide posts are arranged on two sides of the ball screw, a lifting plate is arranged through the guide posts in a sliding manner, a motor is arranged on the surface of the lifting plate, the output end of the motor penetrates through the lifting plate and is connected with a first belt pulley, a screw nut is arranged on the ball screw, the ground penetrating radar antenna device comprises a shielding shell, and a transmitting-receiving antenna array is arranged in the shielding shell. Has the advantages that: the detection depth and the detection range of the ground penetrating radar antenna device can be adjusted in real time. The ground penetrating radar antenna device is arranged at different positions at the bottom of the lifting plate through four groups of receiving and transmitting antenna arrays, so that the ground penetrating radar antenna device is ensured to have a wider detection range, and the area where a geological environment monitoring target is located can be comprehensively detected.
Description
Technical Field
The utility model relates to the technical field of radar detection, in particular to a ground penetrating radar device for tunnel detection.
Background
A ground penetrating radar is a nondestructive detector for detecting underground structure or buried object, which transmits high-frequency electromagnetic wave to underground by a transmitting antenna, receives the electromagnetic wave reflected back to ground by a receiving antenna, reflects when the electromagnetic wave is transmitted in the underground medium and meets interface surfaces with typical differences, and infers the space position, structure, form and buried depth of the underground medium according to the characteristics of the received electromagnetic wave such as waveform, amplitude intensity and time change. Due to the influences of factors such as the heterogeneity and dispersibility of surface media, scattering interference of different media, uncertainty of the position of a detected target, weak scattering echo signal of a deep target and the like, electromagnetic waves are attenuated to different degrees during underground propagation, and therefore the antenna is required to have the characteristics of good directivity, ultra wide band and the like, and has a wide radiation range and a certain detection depth.
The ground penetrating radar antenna device commonly used in the current mine geological environment monitoring process has the problems of short detection distance, poor detection coverage, low resolution, complex structure and the like, can not adjust the position of the ground penetrating radar antenna device according to the terrain, is easy to damage and is difficult to meet the requirement of practical engineering application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tunnel detection ground penetrating radar device, which can adjust the detection depth and detection range of a ground penetrating radar antenna device in real time and meet the detection requirement. The ground penetrating radar antenna device is arranged at different positions at the bottom of the lifting plate through four groups of receiving and transmitting antenna arrays, so that the ground penetrating radar antenna device is ensured to have a wider detection range, and the area where a geological environment monitoring target is located can be comprehensively detected; meanwhile, four receiving antennas are uniformly arranged on the cross-shaped support, and electromagnetic waves returned by the geological environment monitoring target are received at the same time, so that the resolution of vertical direction finding dimensionality is improved.
The technical scheme of the utility model is realized as follows:
a ground penetrating radar device for tunnel detection comprises a moving device, wherein a box body is arranged in the moving device, a display is arranged on the side face of the box body, a ball screw is arranged in the box body along the height direction of the box body, guide posts are arranged on two sides of the ball screw, a lifting plate is arranged on the two sides of the ball screw in a sliding mode through the guide posts, a motor is installed at the top end of the box body, the output end of the motor penetrates through the surface of the box body and is connected with a first belt pulley, a screw nut is connected to the ball screw through internal threads, the bottom end of the screw nut is welded with the surface of the lifting plate, a second belt pulley is fixedly installed on the ball screw above the screw nut through bolts, the first belt pulley is connected with the second belt pulley through a belt, a plurality of ground penetrating radar antenna devices are installed at the bottom end of the lifting plate, and a through hole matched with the ground penetrating radar antenna devices is formed in the bottom of the moving device, the ground penetrating radar antenna device comprises a shielding shell, wherein a transmitting-receiving antenna array is installed in the shielding shell.
Furthermore, the receiving and transmitting antenna array is installed inside the shielding shell through a cross-shaped support, a transmitting antenna is installed in the center of the cross-shaped support, four receiving antennas are evenly distributed on the periphery of the transmitting antenna through the cross-shaped support, and the receiving antennas are electrically connected with the display.
Furthermore, the transmitting antenna transmits electromagnetic waves, the receiving antenna receives the electromagnetic waves transmitted by the transmitting antenna and transmits the received electromagnetic waves to the display, and the polarization directions of the transmitting antenna and the receiving antenna are both perpendicular to the detection direction.
Furthermore, the ground penetrating radar antenna devices are four groups and are uniformly arranged at the bottom of the lifting plate.
Further, the shielding shell comprises a shielding layer and a protective layer, and the protective layer is located outside the shielding layer.
The beneficial effects of the utility model are:
the motor is started through the controller, the motor drives the first belt pulley connected with the output end of the motor to rotate, the second belt pulley is driven to rotate through the belt, the second belt pulley is fixedly installed at the top end of the ball screw through the bolt, the bottom end of the screw nut is welded to the top end of the lifting plate, the ball screw is in threaded fit with the screw nut on the surface of the lifting plate, and therefore when the second belt pulley rotates, the lifting plate is lifted along the height direction of the ball screw. During detection, the ground penetrating radar antenna device is adjusted to penetrate through the through hole to detect the ground by driving the lifting plate to lift, the detection depth and the detection range of the ground penetrating radar antenna device can be adjusted in real time, and the detection requirement is met.
In addition, the ground penetrating radar antenna device is arranged at different positions of the bottom of the lifting plate through four groups of receiving and transmitting antenna arrays, so that the ground penetrating radar antenna device is ensured to have a wider detection range, and the area where the geological environment monitoring target is located can be comprehensively detected; meanwhile, four receiving antennas are uniformly arranged on the cross-shaped support, and electromagnetic waves returned by the geological environment monitoring target are received at the same time, so that the resolution of vertical direction finding dimensionality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a ground penetrating radar device for tunnel detection;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a bottom view of the lifter plate;
fig. 4 is a schematic diagram of a ground penetrating radar antenna device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
According to an embodiment of the utility model, a tunnel detection ground penetrating radar device is provided.
Referring to fig. 1 to 4, the tunnel detection ground penetrating radar device according to the embodiment of the utility model comprises a moving device 1, a box body 2 is arranged in the moving device 1, a display 3 is arranged on the side surface of the box body 2, a ball screw 4 is arranged in the box body 2 along the height direction of the box body, guide posts 5 are arranged on two sides of the ball screw 4, a lifting plate 6 is arranged in a sliding manner through the guide posts 5, a motor 7 is arranged at the top end of the box body 2, the output end of the motor 7 penetrates through the surface of the box body 2 and is connected with a first belt pulley 8, a screw nut 9 is connected with an internal thread on the ball screw 4, the bottom end of the screw nut 9 is welded with the surface of the lifting plate 6, a second belt pulley 10 is fixedly arranged above the screw nut 9 through a bolt on the ball screw 4, and the first belt pulley 8 is connected with the second belt pulley 10 through a belt 11, a plurality of ground penetrating radar antenna devices 12 are installed to the bottom of lifter plate 6, the bottom of mobile device 1 is provided with through-hole 13 with ground penetrating radar antenna device 12 matched with, ground penetrating radar antenna device 12 includes shielding casing 121, install receiving and dispatching antenna array 122 in the shielding casing 121.
Further, the transceiving antenna array 122 is installed inside the shielding case 121 through a cross-shaped bracket 123, a transmitting antenna 124 is installed in the center of the cross-shaped bracket 123, four receiving antennas 125 are uniformly arranged around the transmitting antenna 124 through the cross-shaped bracket 123, and the receiving antennas 125 are electrically connected with the display 3.
Further, the transmitting antenna 124 transmits electromagnetic waves, the receiving antenna 125 receives the electromagnetic waves transmitted by the transmitting antenna 124 and transmits the received electromagnetic waves to the display 3, and the polarization directions of the transmitting antenna 124 and the receiving antenna 125 are perpendicular to the detection direction.
Further, the ground penetrating radar antenna devices 12 are four groups and are uniformly arranged at the bottom of the lifting plate 6.
Further, the shielding shell 121 includes a shielding layer 1211 and a protection layer 1212, and the protection layer 1212 is located outside the shielding layer 1211.
Through the technical scheme: the shielding shell 121 is made of a composite material of silica gel and epoxy resin, has a soft surface, is capable of absorbing shock, resisting water, resisting wear and resisting moisture, can avoid the breakdown and loss of an external strong electric field to the internal transmitting/receiving antenna array 122, and can be used for shielding the mutual coupling influence of other groups of transmitting/receiving antenna arrays 122.
In the specific implementation, radar detection is performed by loading the mobile device 1. Specifically, the motor 7 is started through the controller, the motor 7 drives a first belt pulley 8 connected with an output end of the motor to rotate, and drives a second belt pulley 10 to rotate through a belt 11, the second belt pulley 10 is fixedly installed at the top end of the ball screw 4 through a bolt, the bottom end of the screw nut 9 is welded at the top end of the lifting plate 6, the ball screw 4 is in threaded fit with the screw nut 9 on the surface of the lifting plate 6, and therefore when the second belt pulley 10 rotates, the lifting plate 6 is lifted along the height direction of the ball screw 4. During detection, the lifting plate 6 is driven to descend, the ground penetrating radar antenna device 12 detects the ground through the through hole 13, the detection depth and the detection range of the ground penetrating radar antenna device 12 can be adjusted in real time, and the detection requirement is met. When the ground penetrating radar antenna device 12 meets uneven terrain, the position of the ground penetrating radar antenna device 12 can be conveniently adjusted, the ground penetrating radar antenna device 12 is lifted into the box body 2, damage is avoided, the ground penetrating radar antenna device 12 can be lifted into the box body 2 when the ground penetrating radar antenna device is not used, and the ground penetrating radar antenna device 12 is prevented from being exposed in the air for a long time.
The transceiving antenna array 122 is installed inside the shielding shell 121 through a cross-shaped bracket 123, a transmitting antenna 124 is installed in the center of the cross-shaped bracket 123, four receiving antennas 125 are evenly arranged around the transmitting antenna 124 through the cross-shaped bracket 123, and the receiving antennas 125 are electrically connected with the display 3. The transmitting antenna 124 transmits electromagnetic waves, the receiving antenna 125 receives the electromagnetic waves transmitted by the transmitting antenna 124 and transmits the received electromagnetic waves to the display 3, and the polarization directions of the transmitting antenna 124 and the receiving antenna 125 are perpendicular to the detection direction.
The ground penetrating radar antenna device 12 is arranged at different positions at the bottom of the lifting plate 6 through four groups of receiving and transmitting antenna arrays 122, so that the ground penetrating radar antenna device 12 is ensured to have a wider detection range, and the area where a geological environment monitoring target is located can be comprehensively detected; meanwhile, four receiving antennas 125 are uniformly arranged on the cross-shaped support 123, and electromagnetic waves returned by the geological environment monitoring target are received at the same time, so that the resolution of the vertical direction-finding dimension is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The tunnel detection ground penetrating radar device is characterized by comprising a moving device (1), wherein a box body (2) is arranged in the moving device (1), a display (3) is arranged on the side face of the box body (2), a ball screw (4) is installed in the box body (2) along the height direction of the box body, guide posts (5) are arranged on two sides of the ball screw (4), a lifting plate (6) is arranged on the two sides of the ball screw in a sliding mode through the guide posts (5), a motor (7) is installed at the top end of the box body (2), the output end of the motor (7) penetrates through the surface of the box body (2) and is connected with a first belt pulley (8), a screw nut (9) is connected onto the ball screw (4) in an internal thread mode, the bottom end of the screw nut (9) is welded with the surface of the lifting plate (6), a second belt pulley (10) is fixedly installed above the screw nut (9) on the ball screw (4) through bolts, first belt pulley (8) are connected with second belt pulley (10) through belt (11), a plurality of ground penetrating radar antenna device (12) are installed to the bottom of lifter plate (6), the bottom of mobile device (1) is provided with through-hole (13) with ground penetrating radar antenna device (12) matched with, ground penetrating radar antenna device (12) are including shielding shell (121), install receiving and dispatching antenna array (122) in shielding shell (121).
2. A tunnel detection ground penetrating radar device according to claim 1, wherein the transmitting and receiving antenna array (122) is installed inside the shielding shell (121) through a cross-shaped support (123), a transmitting antenna (124) is installed in the center of the cross-shaped support (123), four receiving antennas (125) are evenly arranged on the periphery of the transmitting antenna (124) through the cross-shaped support (123), and the receiving antennas (125) are electrically connected with the display (3).
3. A tunnel detection ground penetrating radar apparatus according to claim 2, wherein said transmitting antenna (124) transmits electromagnetic waves, said receiving antenna (125) receives the electromagnetic waves transmitted by the transmitting antenna (124) and transmits the received electromagnetic waves to the display (3), and the polarization directions of said transmitting antenna (124) and said receiving antenna (125) are perpendicular to the detecting direction.
4. A tunnel detection ground penetrating radar device according to claim 1, wherein said ground penetrating radar antenna devices (12) are four groups, and are uniformly arranged at the bottom of the lifting plate (6).
5. A tunnel detection ground penetrating radar apparatus according to claim 1, wherein said shielding shell (121) comprises a shielding layer (1211) and a protection layer (1212), said protection layer (1212) being located outside said shielding layer (1211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603003.2U CN217007676U (en) | 2021-10-28 | 2021-10-28 | Tunnel detection ground penetrating radar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603003.2U CN217007676U (en) | 2021-10-28 | 2021-10-28 | Tunnel detection ground penetrating radar device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007676U true CN217007676U (en) | 2022-07-19 |
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ID=82379143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122603003.2U Active CN217007676U (en) | 2021-10-28 | 2021-10-28 | Tunnel detection ground penetrating radar device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007676U (en) |
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2021
- 2021-10-28 CN CN202122603003.2U patent/CN217007676U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230919 Address after: Room 501, Block A, Haier International Plaza, No. 939 Zhenwu Road, Economic Development Zone, Jimo District, Qingdao City, Shandong Province, 266299 Patentee after: Qingdao Chuangxin Qizhi Technology Group Co.,Ltd. Address before: 230000 floor 10, building A1, China (Hefei) international intelligent voice Industrial Park, the intersection of Xiyou road and Shilian South Road, high tech Zone, Hefei City, Anhui Province Patentee before: China Railway Qizhi (Hefei) Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |