CN110361732B - Radar detection device for detecting internal structure of object - Google Patents
Radar detection device for detecting internal structure of object Download PDFInfo
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- CN110361732B CN110361732B CN201910661498.9A CN201910661498A CN110361732B CN 110361732 B CN110361732 B CN 110361732B CN 201910661498 A CN201910661498 A CN 201910661498A CN 110361732 B CN110361732 B CN 110361732B
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- annular guide
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- radar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a radar detection device for detecting the internal structure of an object, which relates to the technical field of geological detection and comprises an annular guide part, a radar monitoring component, an annular guide mechanism and a lifting mechanism, wherein at least 2 radar monitoring components are arranged on the inner wall of the annular guide part and comprise a box body, a transmitter and a receiver, the transmitter and the receiver are both arranged on the box body and face to-be-detected objects, the transmitter and the receiver are connected to a computer through a wire harness, the radar monitoring component is connected in the annular guide mechanism in a sliding way and can move circumferentially along the axis of the annular guide part, the annular guide mechanism is arranged on the lifting mechanism and can move up and down along the axis of the annular guide part, the invention realizes the internal detection work of the objects with curved surfaces, has high detection accuracy and simple structure, the operation is convenient.
Description
Technical Field
The invention belongs to the technical field of geological detection, and particularly relates to a radar detection device for detecting an internal structure of an object.
Background
The geological radar utilizes ultrahigh frequency electromagnetic waves to detect underground medium distribution, and the basic principle is as follows: the transmitter transmits a pulse electromagnetic wave signal with a center frequency of 12.5M to 1200M and a pulse width of 0.1 ns through a transmitting antenna. When this signal encounters a target in the formation, a reflected signal is generated. The direct signal and the reflected signal are input to a receiver through a receiving antenna, amplified and displayed by an oscilloscope. Whether the target to be detected exists or not can be judged according to whether the oscilloscope has the reflected signal or not; the distance of the detected target can be roughly calculated according to the arrival lag time of the reflected signal and the average reflected wave speed of the target object.
At present, manual operation is mostly adopted for detecting curved surfaces, and the antenna of the geological radar needs to be moved along the curved surfaces (such as cylindrical surfaces), so that the detection accuracy is not high, and the operation difficulty is high particularly for some objects to be detected with high height.
Disclosure of Invention
The invention aims to provide a radar detection device for detecting the internal structure of an object, which aims to overcome the defects of incomplete disinfection, poor effect and low efficiency in the prior art.
A radar detection device for detecting an internal structure of an object comprises an annular guide part, a radar monitoring assembly, an annular guide mechanism and a lifting mechanism, wherein the number of the radar monitoring assembly is at least 2, the radar monitoring assembly is arranged on the inner wall of the annular guide part and comprises a box body, a transmitter and a receiver, the transmitter and the receiver are both arranged on the box body and face to the object to be detected, the transmitter and the receiver are connected to a computer through a wire harness, the radar monitoring assembly is connected in the annular guide mechanism in a sliding mode and can move circumferentially around the axis of the annular guide part, and the annular guide mechanism is arranged on the lifting mechanism and can move up and down along the axis of the annular guide part;
elevating system includes stand, slide rail, lead screw and vertical motor, the stand has four and circumference to arrange in the periphery side of annular guide spare, and install the inboard of stand the slide rail, the frame is still installed in the outside of stand, and annular guide mechanism sliding connection is on the slide rail, and roof and bottom plate are installed respectively to the top and the bottom of frame, install on the roof vertical motor, the output of vertical motor is connected to the lead screw, and the lower extreme of lead screw rotates to be connected on the bottom plate, is equipped with a connecting block on the side-mounting board in the annular guide mechanism, the lead screw pass the connecting block and with the lead screw nut threaded connection on the connecting block reciprocate in order to drive annular guide spare.
Preferably, the radar monitoring subassembly specifically is connected with annular guide through coupling mechanism, coupling mechanism includes lateral support, servo motor, motor cabinet, base, mount pad and linear electric motor, lateral support's one end fixed connection is on the inner wall of annular guide, and its other end is connected to the motor cabinet, the other end installation of motor cabinet servo motor and a base, servo motor's output passes the pedestal connection to mount pad, installs on the mount pad linear electric motor, linear electric motor's output is connected to the box body.
Preferably, the annular guide mechanism comprises an upper clamping block, a lower clamping block, a side plate and a sliding block, the upper clamping block and the lower clamping block are fixed on the inner side of the side plate and are integrally formed with the side plate, the annular guide piece is connected between the upper clamping block and the lower clamping block in a sliding mode, the side plate is installed on the sliding block through a screw, and the sliding block is connected to the sliding rail in a sliding mode.
Preferably, a horizontal support plate is fixedly connected to the side mounting plate, a horizontal motor is mounted on the horizontal support plate, a horizontal gear is connected to an output end of the horizontal motor, a toothed ring is mounted on the outer side of the annular guide, and the horizontal gear is meshed with the toothed ring.
Preferably, there are 3 radar monitoring assemblies, and the included angle between one of the radar monitoring assemblies and the other two radar monitoring assemblies is 90 degrees.
Preferably, two sets of positioning mechanisms used for fixing the object to be detected are installed at the upper end and the lower end of the frame, each set of positioning mechanisms are symmetrically arranged, each positioning mechanism comprises a positioning rod and a clamping piece matched with the outer surface of the object to be detected, one end of each positioning rod is connected to the frame, and the other end of each positioning rod is connected to the clamping piece.
Preferably, the inner side of the side plate is further connected with a positioning ring through a ribbed plate.
The invention has the advantages that:
(1) the detection work of an object with a curved surface shape is realized by means of the annular guide piece and the radar monitoring assembly arranged on the annular guide piece, the annular guide piece can rotate along the curved surface, particularly the cylindrical surface, multi-angle detection is realized, the accuracy is obviously improved, and meanwhile, the detection can be carried out in the height direction of the object to be detected by means of the lifting mechanism so as to realize multi-point detection of the object;
(2) the plurality of radar monitoring assemblies are arranged, so that multi-point simultaneous detection can be realized, the detection time is saved, in addition, the box body can also rotate around the output end of the servo motor, namely, the receiver can rotate along the transmitter, so that the receiver can receive radar signals from a plurality of receiving points, and the detection accuracy is further improved;
(3) the distance between the emitter and the surface of the object to be detected is adjustable, and the detection requirements under different conditions can be met.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the annular guide and the radar monitoring assembly of the present invention.
Fig. 3 is a partial schematic view of the connection between the annular guide and the annular guide mechanism of the present invention.
Fig. 4 is a schematic structural diagram of a radar monitoring assembly and a connecting mechanism according to the present invention.
Fig. 5 and 6 are schematic diagrams showing the annular guide part of the present invention from different perspectives after the positioning ring is partially installed.
Wherein 1-ring guide, 2-radar monitoring component, 21-box, 22-transmitter, 23-receiver, 3-lifting mechanism, 31-column, 32-slide rail, 33-lead screw, 34-longitudinal motor, 35-connecting block, 4-ring guide mechanism, 41-upper clamping block, 42-lower clamping block, 43-side plate, 44-slide block, 5-connecting mechanism, 51-transverse strut, 52-servo motor, 53-motor base, 54-base, 55-mounting base, 56-linear motor, 6-transverse support plate, 7-transverse motor, 8-transverse gear, 9-toothed ring, 10-frame, 112-positioning rod, 12-clamping piece, 13-side mounting plate, 14-positioning ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, a radar detection device for detecting an internal structure of an object includes an annular guide member 1, at least 2 radar monitoring assemblies 2, an annular guide mechanism 4 and a lifting mechanism 3, wherein the radar monitoring assemblies 2 are installed on an inner wall of the annular guide member 1, each radar monitoring assembly 2 includes a box body 21, a transmitter 22 and a receiver 23, each transmitter 22 and each receiver 23 is installed on the box body 21 and faces to an object to be detected, the transmitter 22 and the receiver 23 are connected to a computer through a wire harness, the radar monitoring assemblies 2 are slidably connected in the annular guide mechanism 4 and can move circumferentially around an axis of the annular guide member 1, and the annular guide mechanism 4 is installed on the lifting mechanism 3 and can move up and down along the axis of the annular guide member 1;
In this embodiment, the radar monitoring assembly 2 is specifically connected to the annular guide 1 through a connection mechanism 5, the connection mechanism 5 includes a transverse strut 51, a servo motor 52, a motor base 53, a base 54, a mounting base 55 and a linear motor 56, one end of the transverse strut 51 is fixedly connected to the inner wall of the annular guide 1, the other end of the transverse strut is connected to the motor base 53, the other end of the motor base 53 is provided with the output ends of the servo motor 52 and the servo motor 52 of the base 54, the output ends of the servo motor 52 and the servo motor 52 of the base 54 pass through the base 54 to be connected to the mounting base 55, the linear motor 56 is mounted on the mounting base 55, and the output end of the linear motor 56 is connected to the box body 21.
In this embodiment, the annular guide mechanism 4 includes an upper clamping block 41, a lower clamping block 42, a side plate 43 and a sliding block 44, the upper clamping block 41 and the lower clamping block 42 are fixed on the inner side of the side plate 43 and are integrally formed with the side plate, the annular guide 1 is slidably connected between the upper clamping block 41 and the lower clamping block 42, the side plate 43 is mounted on the sliding block 44 through a screw, and the sliding block 44 is slidably connected to the sliding rail 32.
In this embodiment, a horizontal support plate 6 is further fixedly connected to the side mounting plate 13, a horizontal motor 7 is mounted on the horizontal support plate 6, a horizontal gear 8 is connected to an output end of the horizontal motor 7, a toothed ring 9 is mounted on an outer side of the annular guide 1, and the horizontal gear 8 is meshed with the toothed ring 9.
In this embodiment, there are 3 and the contained angle between one of them radar monitoring component 2 and other two is 90 degrees radar monitoring component 2, and wherein two are in same straight line, can realize correlation detection.
In this embodiment, a frame 10 is further installed outside the upright 31, and the frame 10 is used for supporting the lifting mechanism 3, the annular guide mechanism 4 and other components.
In this embodiment, two sets of positioning mechanisms for fixing the object to be detected are installed at the upper and lower ends of the frame 10, each set of positioning mechanisms is symmetrically arranged, each positioning mechanism includes a positioning rod 112 and a clamping piece 12 matched with the outer surface of the object to be detected, one end of the positioning rod 112 is connected to the frame 10, and the other end of the positioning rod 112 is connected to the clamping piece 12. The positioning mechanism can relatively fix the object to be detected, and the smooth implementation of the detection of the whole radar detection device for detecting the internal structure of the object is ensured.
In order to adjust the distance between the emitter 22 and the surface of the object to be detected, the linear motor 56, the servo motor 52, the transverse motor 7 and the longitudinal motor 34 are all connected to a computer through corresponding electrical components, and the operation of the above components is controlled by the computer in a unified manner, so as to realize automatic detection.
As shown in fig. 5 and 6, a positioning ring 14 is further connected to the inner side of the side plate 43 through a rib 15 in order to stabilize the up-and-down movement of the ring guide 1. The positioning ring 14 is used to connect 4 circular guides 4 into a whole to achieve smooth synchronous movement, because the circular guide 1 is clamped between the upper clamping block 41 and the lower clamping block 42 of the circular guide 4, and there is a gap, during the process of the circular guide 4 lifting along the slide rail 32, the power component is only on one side of the circular guide, which may generate deflection, resulting in increased lifting resistance and jamming of the circular guide.
The working process and principle of the invention are as follows: transverse motor 7 drive transverse gear 8 is rotatory, transverse gear 8 drives ring gear 9 and annular guide 1 and is rotatory around waiting to detect the object, in the time of rotatory, open corresponding radar monitoring subassembly 2 as required, with the help of the computer, can the adjustment of distance between manual control linear electric motor 56 is stretched out and drawn back and is realized launcher 22 and the object surface of waiting to detect, servo motor 52 is used for driving box body 21 rotatory to suitable angle, treat that the position of a certain height detects the completion back, rotate by vertical motor 34 drive lead screw 33, lead screw 33 and connecting block 35 threaded connection reciprocate with drive annular guide mechanism 4, thereby take slider 44 to reciprocate, and then realize the detection of different height positions.
Based on the above, the detection work of the object with the curved surface shape is realized by means of the annular guide part 1 and the radar monitoring assembly 2 arranged on the annular guide part, the annular guide part 1 can rotate along the curved surface, particularly the cylindrical surface, the multi-angle detection is realized, the accuracy is obviously improved, and meanwhile, by means of the lifting mechanism 3, the detection can be carried out in the height direction of the object to be detected, so that the multi-point detection of the object is realized; the plurality of radar monitoring assemblies 2 are arranged, so that multi-point simultaneous detection can be realized, detection time is saved, in addition, the box body 21 can rotate around the output end of the servo motor 52, namely the receiver 23 can rotate along the transmitter 22, so that the receiver 23 can receive radar signals from a plurality of receiving points, and the detection accuracy is further improved; the distance between the emitter 22 and the surface of the object to be detected is adjustable, and the detection requirements under different conditions can be met.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (1)
1. A radar detection device for detecting the internal structure of an object is characterized by comprising an annular guide part (1), a radar monitoring assembly (2), an annular guide mechanism (4) and a lifting mechanism (3), the number of the radar monitoring components (2) is at least 2, and the radar monitoring components are arranged on the inner wall of the annular guide part (1), the radar monitoring assembly (2) comprises a box body (21), a transmitter (22) and a receiver (23), wherein the transmitter (22) and the receiver (23) are both arranged on the box body (21) and face towards an object to be detected, the transmitter (22) and the receiver (23) are connected to a computer through a wire harness, the radar monitoring assembly (2) is connected in the annular guide mechanism (4) in a sliding manner and can move circumferentially with the axis of the annular guide piece (1), the annular guide mechanism (4) is arranged on the lifting mechanism (3) and can move up and down along the axis of the annular guide piece (1);
elevating system (3) are including stand (31), slide rail (32), lead screw (33) and vertical motor (34), stand (31) have four and circumference to arrange in the periphery side of annular guide (1), the inboard of stand (31) is installed slide rail (32), frame (10) are still installed in the outside of stand (31), annular guide mechanism (4) sliding connection is on slide rail (32), roof (37) and bottom plate (36) are installed respectively to the top and the bottom of frame (10), install on roof (37) vertical motor (34), the output of vertical motor (34) is connected to lead screw (33), the lower extreme of lead screw (33) rotates and connects on bottom plate (36), be equipped with a connecting block (35) on side mounting panel (13) in annular guide mechanism (4), lead screw (33) pass connecting block (35) and with lead screw nut threaded connection on connecting block (35) with drive annular guide (1) move up and down Moving;
the radar monitoring assembly (2) is specifically connected with the annular guide piece (1) through a connecting mechanism (5), the connecting mechanism (5) comprises a transverse support column (51), a servo motor (52), a motor base (53), a base (54), a mounting seat (55) and a linear motor (56), one end of the transverse support column (51) is fixedly connected to the inner wall of the annular guide piece (1), the other end of the transverse support column is connected to the motor base (53), the servo motor (52) and the base (54) are mounted at the other end of the motor base (53), the output end of the servo motor (52) penetrates through the base (54) to be connected to the mounting seat (55), the linear motor (56) is mounted on the mounting seat (55), and the output end of the linear motor (56) is connected to the box body (21);
the annular guide mechanism (4) comprises an upper clamping block (41), a lower clamping block (42), a side plate (43) and a sliding block (44), the upper clamping block (41) and the lower clamping block (42) are fixed on the inner side of the side plate (43) and integrally formed with the side plate, the annular guide piece (1) is slidably connected between the upper clamping block (41) and the lower clamping block (42), the side plate (43) is installed on the sliding block (44) through a screw, and the sliding block (44) is slidably connected on the sliding rail (32);
the side mounting plate (13) is also fixedly connected with a horizontal support plate (6) which is horizontally arranged, a horizontal motor (7) is arranged on the horizontal support plate (6), the output end of the horizontal motor (7) is connected with a horizontal gear (8), a toothed ring (9) is arranged on the outer side of the annular guide (1), and the horizontal gear (8) is meshed with the toothed ring (9);
the radar monitoring device is characterized in that the number of the radar monitoring assemblies (2) is 3, the included angle between one radar monitoring assembly (2) and the other two radar monitoring assemblies is 90 degrees, two groups of positioning mechanisms used for fixing an object to be detected are mounted at the upper end and the lower end of the frame (10), each group of positioning mechanisms are symmetrically arranged and comprise positioning rods (112) and clamping pieces (12) matched with the outer surfaces of the object to be detected, one ends of the positioning rods (112) are connected to the frame (10), the other ends of the positioning rods (112) are connected to the clamping pieces (12), and the inner sides of the side plates (43) are further connected with positioning rings (14) through rib plates (15);
the method for detecting by applying the radar detection device comprises the following steps: the transverse motor (7) drives the transverse gear (8) to rotate, the transverse gear (8) drives the gear ring (9) and the annular guide part (1) to rotate around an object to be detected, corresponding radar monitoring components (2) are opened as required while the transverse gear is rotated, the distance between the transmitter (22) and the surface of the object to be detected can be adjusted by manually controlling the linear motor (56) to stretch, the servo motor (52) is used for driving the box body (21) to rotate to a proper angle, the box body (21) can also rotate around the output end of the servo motor (52), namely, the receiver (23) can rotate along the transmitter (22) so as to receive radar signals from a plurality of receiving points by the receiver (23), after the position detection of a certain height is finished, the longitudinal motor (34) drives the lead screw (33) to rotate, the lead screw (33) is in threaded connection with the connecting block (35) to drive the annular guide mechanism (4) to move up and down, thereby driving the slide block (44) to move up and down, and further realizing the detection of different height positions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661498.9A CN110361732B (en) | 2019-07-22 | 2019-07-22 | Radar detection device for detecting internal structure of object |
| CN202110264722.8A CN113296093A (en) | 2019-07-22 | 2019-07-22 | Operation method of radar detection device for detecting internal structure of object |
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| CN201910661498.9A CN110361732B (en) | 2019-07-22 | 2019-07-22 | Radar detection device for detecting internal structure of object |
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| CN202110264722.8A Division CN113296093A (en) | 2019-07-22 | 2019-07-22 | Operation method of radar detection device for detecting internal structure of object |
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| CN110361732A CN110361732A (en) | 2019-10-22 |
| CN110361732B true CN110361732B (en) | 2021-07-27 |
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| CN202110264722.8A Pending CN113296093A (en) | 2019-07-22 | 2019-07-22 | Operation method of radar detection device for detecting internal structure of object |
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| Publication number | Publication date |
|---|---|
| CN113296093A (en) | 2021-08-24 |
| CN110361732A (en) | 2019-10-22 |
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