CN110361731B - Geological radar device - Google Patents
Geological radar device Download PDFInfo
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- CN110361731B CN110361731B CN201910661492.1A CN201910661492A CN110361731B CN 110361731 B CN110361731 B CN 110361731B CN 201910661492 A CN201910661492 A CN 201910661492A CN 110361731 B CN110361731 B CN 110361731B
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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
- 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
- G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Geophysics And Detection Of Objects (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a geological radar device, which relates to the technical field of geological detection and comprises an annular guide part, at least 2 radar monitoring components, an annular guide mechanism and a longitudinal moving mechanism, wherein the radar monitoring components are arranged on the inner wall of the annular guide part, the radar monitoring component comprises a box body, a transmitter and a receiver, wherein the transmitter and the receiver are both arranged on the box body and face to an object to be detected, the transmitter and the receiver are connected to a computer through a wire harness, the radar monitoring component is connected in an annular guide mechanism in a sliding way and can do circular movement with the axis of the annular guide piece, the annular guide mechanism is arranged on the longitudinal moving mechanism and can move up and down along the axis of the annular guide piece, the internal detection work of an object with a curved surface is realized, the detection accuracy is high, the structure is simple, and the operation is convenient.
Description
Technical Field
The invention belongs to the technical field of geological detection, and particularly relates to a geological radar device.
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 geological radar device to solve the defects of incomplete disinfection, poor effect and low efficiency in the prior art.
A geological radar device comprises an annular guide part, radar monitoring components, an annular guide mechanism and a longitudinal moving mechanism, wherein the number of the radar monitoring components is at least 2, the 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 components are connected in the annular guide mechanism in a sliding mode and can move circumferentially along the axis of the annular guide part, and the annular guide mechanism is arranged on the longitudinal moving mechanism and can move up and down along the axis of the annular guide part;
the longitudinal moving mechanism comprises four upright columns, sliding rails, racks and longitudinal motors, the four upright columns are circumferentially arranged on the outer peripheral side of the annular guide piece, the sliding rails are arranged on the inner sides of the upright columns, the racks are arranged on the side face, perpendicular to the face where the sliding rails are located, of one of the upright columns, the racks are meshed with longitudinal gears, the longitudinal gears are connected to the output ends of the longitudinal motors, the longitudinal motors are arranged on the annular guide mechanism through side mounting plates, and the annular guide mechanism is connected to the sliding rails in a sliding mode.
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, a frame is further installed on the outer side of the upright post.
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 box body is also provided with a displacement sensor.
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 part and the radar monitoring assembly arranged on the annular guide part, the annular guide part 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 longitudinal moving 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) through setting up displacement sensor, can detect the distance between transmitter and the object surface of waiting to detect, with the help of the control of computer, guaranteed that the transmitter can keep a stable distance with waiting to detect the object surface all the time.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the annular guide and the radar monitoring assembly of the present invention.
Fig. 4 is a partial schematic view of the connection between the annular guide and the annular guide mechanism of the present invention.
Fig. 5 is a schematic structural diagram of a radar monitoring assembly and a connecting mechanism according to the present invention.
FIG. 6 is a top view of the radar monitoring assembly and the connection mechanism after the displacement sensor is installed in the present invention.
Wherein, 1-ring guide, 2-radar monitor component, 21-box, 22-emitter, 23-receiver, 3-longitudinal moving mechanism, 31-column, 32-slide rail, 33-rack, 34-longitudinal motor, 35-longitudinal gear, 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-gear ring, 10-frame, 112-positioning rod, 12-clamping piece, 13-side mounting plate, 14-displacement sensor.
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 5, a geological radar apparatus comprises an annular guide 1, at least 2 radar monitoring assemblies 2, an annular guide mechanism 4 and a longitudinal moving mechanism 3, wherein the radar monitoring assemblies 2 are mounted on the inner wall of the annular guide 1, each radar monitoring assembly 2 comprises a box body 21, a transmitter 22 and a receiver 23, each transmitter 22 and each receiver 23 are mounted on the box body 21 and face an object to be detected, each transmitter 22 and each receiver 23 are connected to a computer through a wire harness, each radar monitoring assembly 2 is slidably connected into the annular guide mechanism 4 and can move circumferentially around the axis of the annular guide 1, and the annular guide mechanism 4 is mounted on the longitudinal moving mechanism 3 and can move up and down along the axis of the annular guide 1;
the longitudinal moving mechanism 3 comprises four upright columns 31, slide rails 32, racks 33 and a longitudinal motor 34, the upright columns 31 are circumferentially arranged on the outer peripheral side of the annular guide 1, the slide rails 32 are mounted on the inner sides of the upright columns 31, the racks 33 are mounted on the side surface, perpendicular to the surface where the slide rails 32 are located, of one upright column 31, the racks 33 are meshed with longitudinal gears 35, the longitudinal gears 35 are connected to the output ends of the longitudinal motors 34, the longitudinal motors 34 are mounted on the annular guide mechanism 4 through side mounting plates 13, and the annular guide mechanism 4 is slidably connected to the slide rails 32.
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 servo motor 52 and the base 54 are installed at the other end of the motor base 53, an output end of the servo motor 52 passes through the base 54 and is connected to the mounting base 55, the linear motor 56 is installed on the mounting base 55, and an 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 components of the longitudinal moving mechanism 3, the annular guide mechanism 4 and the like.
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 geological radar device is ensured.
As shown in fig. 6, in order to realize automatic adjustment of the distance, the box body 21 is further provided with a displacement sensor 14, and the displacement sensor 14, 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.
The working process and principle of the invention are as follows: transverse motor 7 drives transverse gear 8 rotatory, transverse gear 8 drives ring gear 9 and annular guide 1 and is rotatory around waiting to detect the object, rotatory simultaneously, open corresponding radar monitoring subassembly 2 as required, and displacement sensor 14 can detect its and wait to detect the distance between the object surface, the fixed value of a distance is set for by the computer, when the distance deviation appears, the adjustment of distance is realized to the flexible realization of computer control linear electric motor 56, servo motor 52 is used for driving box body 21 rotatory to suitable angle, wait that the position of a certain height detects the back, drive vertical gear 35 by vertical motor 34 and rotate, vertical gear 35 meshes with rack 33, 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 longitudinal moving 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; by providing the displacement sensor 14, the distance between the transmitter 22 and the surface of the object to be detected can be detected, and by means of the control of the computer, the transmitter 22 can be ensured to be always kept at a stable distance from the surface of the object to be detected.
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 geological radar apparatus, characterized by comprising an annular guide (1), a radar monitoring assembly (2), an annular guide mechanism (4) and a longitudinal movement 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 longitudinal moving mechanism (3) and can move up and down along the axis of the annular guide (1);
the longitudinal moving mechanism (3) comprises four upright columns (31), sliding rails (32), racks (33) and longitudinal motors (34), the four upright columns (31) are circumferentially arranged on the outer peripheral side of the annular guide (1), the sliding rails (32) are mounted on the inner sides of the upright columns (31), the racks (33) are mounted on the side surface, perpendicular to the surface where the sliding rails (32) are located, of one upright column (31), the racks (33) are meshed with longitudinal gears (35), the longitudinal gears (35) are connected to the output ends of the longitudinal motors (34), the longitudinal motors (34) are mounted on the annular guide mechanism (4) through side mounting plates (13), and the annular guide mechanism (4) is connected to the sliding rails (32) in a sliding manner;
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, a frame (10) is further installed on the outer side of the upright post (31), two groups of positioning mechanisms used for fixing an object to be detected are installed at the upper end and the lower end of the frame (10), each group of positioning mechanisms are symmetrically arranged and comprise 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), the other end of the positioning rod (112) is connected to the clamping piece (12), and a displacement sensor (14) is further installed on the box body (21);
the method for detecting by applying the geological radar 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 rotates, a displacement sensor (14) can detect the distance between the displacement sensor and the surface of the object to be detected, a fixed value of the distance is set by a computer, when distance deviation occurs, the computer controls the linear motor (56) to stretch and retract to adjust the distance, 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) to receive radar signals from a plurality of receiving points by the receiver (23), after position detection of a certain height is completed, the longitudinal motor (34) drives the longitudinal gear (35) to rotate, the longitudinal gear (35) is meshed with the rack (33) so as to drive the sliding block (44) to move up and down, and therefore detection of positions with different heights is achieved.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661492.1A CN110361731B (en) | 2019-07-22 | 2019-07-22 | Geological radar device |
| CN202110264714.3A CN113050178A (en) | 2019-07-22 | 2019-07-22 | Operation method of geological radar device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661492.1A CN110361731B (en) | 2019-07-22 | 2019-07-22 | Geological radar device |
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| CN202110264714.3A Division CN113050178A (en) | 2019-07-22 | 2019-07-22 | Operation method of geological radar device |
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| CN110361731A CN110361731A (en) | 2019-10-22 |
| CN110361731B true CN110361731B (en) | 2021-07-27 |
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| CN201910661492.1A Active CN110361731B (en) | 2019-07-22 | 2019-07-22 | Geological radar device |
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| CN114411677B (en) * | 2021-12-24 | 2023-12-19 | 中铁四局集团有限公司 | Multi-dimensional transient firing intelligent device for detecting reinforcement quality of MJS |
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| CN110361731A (en) | 2019-10-22 |
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