CN110376653A - Suitable for tunnel and the collapsible transient electromagnetic detection device and method on road surface - Google Patents
Suitable for tunnel and the collapsible transient electromagnetic detection device and method on road surface Download PDFInfo
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- CN110376653A CN110376653A CN201910702710.1A CN201910702710A CN110376653A CN 110376653 A CN110376653 A CN 110376653A CN 201910702710 A CN201910702710 A CN 201910702710A CN 110376653 A CN110376653 A CN 110376653A
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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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
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
-
- 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
- G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
- G01V3/165—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with magnetic or electric fields produced or modified by the object or by the detecting device
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Abstract
Present disclose provides a kind of suitable for tunnel and the collapsible transient electromagnetic detection device and method on road surface, including transient electromagnetic transmitting coil loading device and detection device, transient electromagnetic transmitting coil loading device includes Collapsible rack, telescoping tube and slider roller, the edge of Collapsible rack is provided with slider roller, is connected between the frame of Collapsible rack by telescoping tube；Transmitting coil clamper is detachably provided on the frame of Collapsible rack to clamp transmitting coil, the centre for detecting frame is provided with the receiver of transmitting coil；Detection device includes detection frame, several transmitting coil clampers are provided on detection frame, transmitting coil clamper is to clamp transmitting coil, the centre of detection frame is provided with the receiver of transmitting coil, by adjusting transient electromagnetic transmitting coil loading device present position, and the angle between transmitting coil and the Collapsible rack, realize the transient electromagnetic detecting in each position, direction.
Description
Technical field
The disclosure belongs to geophysical exploration electromagnetic exploration field, and in particular to a kind of suitable for tunnel and the folding on road surface
Stacked transient electromagnetic detection device and method.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
It is excavated in underground or rock mass structure and forms tunnel, then build the building of various functions, be human development benefit
With a kind of form of subterranean resource.The extensive construction of China's civil engineering especially Tunnel Engineering, engineering unfavorable geology disaster
Forecast to engineering guarantee both quality and quantity to complete it is most important.During engineering excavation to unproved area domain carry out advance geologic prediction into
And geological disaster such as cavity, gushing water that front is likely to occur are found, it is hidden to reduce risk and safety that may be present in construction
Suffer from.
Transient electromagnetic method is common a kind of method for forecasting advanced geology in current Construction Process of Engineering Project, and work is former
Reason is emits pulsatile once magnetic field to underground using earth-free loop line or ground connection line source, in pulsatile once magnetic field tempus intercalare, benefit
Secondary turbulence field is observed with coil or grounding electrode, rule are changed over time by the secondary field of each period after measurement power-off
Rule, can be obtained the ground electrical feature of different depth.Common transient electromagnetic equipment includes transmitting coil, receiver, operation host at present
Transient electromagnetic can substantially be operated according to requirement of engineering and be divided into two class working methods by three parts: pavement engineering class, which detects, hangs down
Directly horizontal direction is detected with Tunnel Engineering class in downward direction.The former is that plane where transmitting coil is parallel to ground to place, and is made
, to underground transmission of electromagnetic signals, the latter is then so that it is parallel to tunnel face perpendicular to ground plane where transmitting coil for it
Face makes it to tunnel tunnel face front transmission of electromagnetic signals.Transient electromagnetic detecting technology has the disadvantage that at present
Transient electromagnetic detecting method is applied in tunnel there is very big inconvenience, transmitting coil is usually rubber material multiturn line
Circle bundles, and the area according to the different transmitting coils of investigation depth is also different, but its side length is usually all than people's
Height is longer.When needing to detect tunnel tunnel face front geology, being difficult uprightly to place transmitting coil equals plane where it
Row is in face.Often by being bundled in transmitting coil on the quadrate support frame made in advance, then lifted by operator
Bundle has the support frame of transmitting coil and hand held receiver works.Such method much time force efficiency is low, and can generate
Manual operation bring deviation reduces forecast precision；Although applying transient electromagnetic detecting method downwards in level ground, there is no upper
It states difficulty, but holds transmitting coil by several operators and receiver is worked and moved, this mode still efficiency
It is lower, the physical strength of operator is greatly consumed, it is more inconvenient especially to encounter the poor situation operation of Uneven road, road conditions.
Summary of the invention
The disclosure to solve the above-mentioned problems, proposes a kind of suitable for tunnel and the collapsible transient electromagnetic detecting on road surface
Device and method, the disclosure can replace tunnel transient electromagnetic transmitting coil support frame in traditional approach, assist Transient Electromagnetic Apparatus
Both horizontally and vertically detection mission is completed, ensure that and receive the accurate of signal, saves a large amount of manpower and material resources, improves work effect
Rate.
According to some embodiments, the disclosure is adopted the following technical scheme that
It is a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, transient electromagnetic transmitting coil loading device
And detection device, in which:
Transient electromagnetic transmitting coil loading device includes Collapsible rack, telescoping tube and slider roller, the foldable branch
The edge of frame is provided with slider roller, is connected between the frame of Collapsible rack by telescoping tube；
Transmitting coil clamper is detachably provided on the frame of the Collapsible rack to clamp transmitting coil, it is described
The centre of detection frame is provided with the receiver of transmitting coil；
The detection device includes detection frame, and the detection frame passes through connector can with the Collapsible rack
Dismantling connection, and the adjustable angle between the Collapsible rack are provided with several transmitting coils folders on the detection frame
Holder, the transmitting coil clamper are provided with connecing for transmitting coil to clamp transmitting coil, the centre of the detection frame
Receive device, by adjusting transient electromagnetic transmitting coil loading device present position and transmitting coil and the Collapsible rack it
Between angle, realize the transient electromagnetic detecting in each position, direction.
As selectable embodiment, transmitting coil folder is provided on each frame of the frame of the Collapsible rack
Holder makes face where transmitting coil be parallel to ground.
As selectable embodiment, the size of the Collapsible rack is adapted with the transmitting coil.
As selectable embodiment, Y type connector and V-type connector each two are provided on the Collapsible rack
It is a, it can be inserted into detection frame, when carrying out splicing operation, closed by the angle that connector adjusts detection frame and Collapsible rack
System can make lift-launch coil be parallel to face where face.
As selectable embodiment, the transmitting coil clamper is that high resiliency remembers non-metallic material, has card
Coincidence can be buckled in associated frame members and grip to transmitting coil.
As selectable embodiment, the telescoping tube is equipped with clamp button of the spring, and to shrink all telescoping tubes, rotation can
The folding rotary shaft of folding rack.
As selectable embodiment, support rod is removably connected on the Collapsible rack, the receiver is set
It is placed on the support rod.
As selectable embodiment, support rod, the receiver setting are removably connected on the detection frame
In on the support rod.
Transmitting coil is fixed on by the working method based on above-mentioned apparatus when road surface is detected using transmitting coil buckle
On the Collapsible rack, installs connector, and host is connected, push Collapsible rack mobile in survey line until completing all to survey
The detection operations of line complete the transient electromagnetic detecting of horizontal direction；
Working method based on above-mentioned apparatus will detect frame and can roll in tunnel tunnel face detection using connector
Folded bracket connection makes to detect frame parallel face where face, transmitting coil is fixed on using transmitting coil buckle described
It detects on frame, and the installs connector on detection frame, and connects host, push Collapsible rack mobile until complete in survey line
At the detection operations of whole surveys line.
Compared with prior art, the disclosure has the beneficial effect that
The mode of traditional artificial hand-held transmitting coil, receiver is sufficiently changed by the disclosure is carried by instrument, is held
Pressure, is greatly saved manpower and material resources.This carrying mode avoids the possibility that manual operation generates error, the detection of raising simultaneously
Precision and efficiency.
The disclosure carries and launch coil, receiver by loading device and holds transmitting coil, receiver instead of artificial
Traditional approach.Generally conventional transient electromagnetic method implementation process needs 4-6 people to participate in jointly, only needs after the optimization of the disclosure
2 people can complete entire detection operations, and one people is responsible for present apparatus control moving direction and pushing device moves on survey line, separately
One people is responsible for operating host.The physical demands intensity for greatly reducing operator saves a large amount of manpower and material resources, improves work effect
Rate reduces the working time, ensure that the good result of geologic prediction.
Disclosure effect is good, easy to operate, also can quickly grasp key points for operation without complicated skills training.Simple structure
Low manufacture cost, suitable reuse are hardly damaged, and save fund.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the schematic diagram of transient electromagnetic transmitting coil loading device.
Fig. 2 is transient electromagnetic transmitting coil loading device by folded schematic diagram.
Fig. 3 is the details display diagram of disclosure road surface detection mode.
Fig. 4 is the details display diagram of embedded auxiliary rod.
Fig. 5 is the details display diagram of transmitting coil clamper I, transmitting coil clamper II.
Fig. 6 is the details display diagram of disclosure tunnel tunnel face detection mode.
Fig. 7 is the details display diagram for supporting rod connector.
Fig. 8 is the operation schematic diagram when disclosure carries out road surface detection.
Fig. 9 is the operation schematic diagram when disclosure carries out tunnel tunnel face detection.
Spacing with each other or size are exaggerated to show each site location, schematic diagram is only made signal and used.Wherein: 1 circle
Shape telescoping tube, 2 rectangular telescoping tubes, 3 clamp button of the spring, 4 slider rollers, 5 folding rotary shafts, 6Y type connector, 7V type connector, 8 hairs
Penetrate coil gripper I, 9 transmitting coil clamper II, 10 receivers, 11 embedded auxiliary rod adjustable springs, 12 transmitting coils, 13
Rectangular embedded groove, 14 round embedded grooves, 15 support rod connectors.
Specific embodiment:
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
As shown in figures 1 and 3, a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, by transient electrical
Magnetic transmitting coil loading device (1 round telescoping tube, 2 rectangular telescoping tubes, 3, clamp button of the spring, 4 slider rollers, 5 folding rotary shafts, 6Y
Type connector, 7V type connector), embedded auxiliary rod, 8 transmitting coil clamper I, 9 transmitting coil clamper II, 15 support rods
Connector composition.Wherein, two 5 folding rotary shafts are oppositely arranged, by 1 round telescoping tube, 2 rectangular between two 5 folding rotary shafts
Telescoping tube connection, the end of 5 folding rotary shafts are both provided with 4 slider rollers, pass through 6Y between 5 folding rotary shafts and 1 round telescoping tube
Type connector connects, and 7V type connector is additionally provided on 5 folding rotary shafts, with connection support bar.
Several 8 transmitting coil clamper I, 9 transmitting coil clampers are provided on transient electromagnetic transmitting coil loading device
II, to clamp transmitting coil.
Embedded auxiliary rod is provided on transient electromagnetic transmitting coil loading device, embedded auxiliary rod mainly includes bar
Body is provided with 11 embedded auxiliary rod adjustable springs, 13 rectangular embedded grooves and 14 round embedded grooves on the body of rod.13 rectangular embedded grooves
It is adapted respectively with 2 rectangular telescoping tubes, 1 round telescoping tube with 14 round embedded grooves.10 receptions are provided on embedded auxiliary rod
Device.
As shown in fig. 6, further including auxiliary frame, the structure of auxiliary frame includes frame body, is also provided on frame body
There are several 8 transmitting coil clamper I, 9 transmitting coil clamper II, to clamp transmitting coil.
It is provided with embedded auxiliary rod on frame body, 10 receivers are provided on embedded auxiliary rod.
It is connected between auxiliary frame and transient electromagnetic transmitting coil loading device by connector, and is adjusted by connector
Angle between the two, as shown in fig. 7, the angle, mutual direction relations between each notch of connector all meet finally
The requirement of achievable splicing operation, to carry out the detect operation in tunnel.These can be according to tool for those skilled in the art
What body situation determined, details are not described herein.
The round telescoping tube in described 1,2 rectangular telescoping tubes, 3 clamp button of the spring, 5 folding rotary shafts are to play to fold portable function
Formant, the present apparatus can draw carrying after telescopic folding.
The 6Y type connector, 7V type connector, 15 support rod connectors are not functioned when road surface detects, are arranged in pairs or groups
7 support rods can complete tunnel tunnel face detection operations after carrying out splicing operation.
Embedded auxiliary rod is buckled in transient electromagnetic transmitting coil loading device center, rectangular perpendicular to the 2 of device center
Telescoping tube forms " cross " pattern, carries 10 receivers.
Flexible installing and dismounting, function are that heavy transmitting coil is fixed on to carrying dress to transmitting coil clamper as needed
On setting.According to the difference of transmitting coil clamper position, it is divided into two kinds of models of I and II, has corresponded to round and square groove
Position.
Preferably, the transient electromagnetic transmitting coil loading device arrange in pairs or groups transmitting coil clamper of different shapes can be with
Completion grips multiturn transmitting coil, and face where transmitting coil is made to be parallel to ground, achievable to carry out to underground deep
The specific needs of detect operation.
Preferably, the transient electromagnetic transmitting coil loading device is equipped with Y type connector and V-type connector each two
It is a, it can be inserted into support rod.Specific shape is formed after collocation support rod connector and 7 support rods when carrying out splicing operation, it can be with
It carries and launch coil and is parallel to face where face, carry out the particular needs of detect operation in achievable tunnel to front of tunnel heading
It wants.
Preferably, the transient electromagnetic transmitting coil loading device length, width design are about 2.5m or so, according to hair
The area of ray circle can suitably float up and down with side length difference.
Preferably, the embedded auxiliary rod meets specific dimensions needs, and rectangular embedded groove can be caught in the side
Shape telescoping tube, round embedded groove can be caught in the round telescoping tube.If there are two adjustable springs to make embedded auxiliary rod jail
Admittedly be fixed on the transient electromagnetic transmitting coil loading device, will not loosen.
Preferably, the transmitting coil clamper material is that high resiliency remembers non-metallic material, does not generate signal interference,
Round telescoping tube, rectangular telescopic rod can be buckled in, on support rod and transmitting coil is gripped, have high resiliency,
Memorability, quick detachable, fixed feature.
Preferably, the round telescoping tube and rectangular telescoping tube are equipped with clamp button of the spring, can according to need of work into
Row is flexible.Two sides, which are equipped with folding rotary shaft, keeps the transmitting coil loading device foldable.Under off working state, all stretch is shunk
The draw turns folding shaft, can drag entire loading device movement, light and handy portable, is moved easily.
Preferably, the present apparatus is all made of high-intensity and high-tenacity non-metallic material, is free of metal material, does not generate transition
Electromagnetic signal interference guarantees that result is accurate, and is not susceptible to deform or destroy.The embedded auxiliary rod, Y type connector, V
Type connector and support rod connector should have the characteristics of good wearability, high-intensitive toughness, and be not easy between the present apparatus
Generation is slided, is fallen off, loosening.
Road surface detection:
The transient electromagnetic transmitting coil loading device of folding is opened, telescoping tube is all stretched and opened, and extended flat is placed；
Multiple transmitting coil clamper I and transmitting coil clamper II are mounted on device surrounding, and by embedded auxiliary
Bar buckles at central position；
Transmitting coil is installed, transmitting coil is buckled in transmitting coil clamper, square is surrounded, is checked whether solid
It is fixed.Install and fix whole transient electromagnetic apparatus such as receiver, and connection host；
Host is opened, pushes the present apparatus mobile in survey line until completing the detection operations of whole surveys line；
Simultaneously folding and unfolding receiver, transmitting coil, transmitting coil clamper, embedded auxiliary rod are dismantled, telescoping tube is shunk, is rolled over
The folded present apparatus is simultaneously kept properly.
Tunnel tunnel face detection:
The transient electromagnetic transmitting coil loading device of folding is opened, telescoping tube is all stretched and opened, and extended flat is placed；
Splicing operation: being inserted into Y type connector for 2 longest support rods, remaining 5 support rods 2 support rod of collocation connects
Device is connect to be spliced.Multiple transmitting coil clamper I are mounted on support rod surrounding, after the completion as shown in Figure 6.
Transmitting coil is installed, transmitting coil is buckled in transmitting coil clamper, square is surrounded, is checked whether solid
It is fixed.Install and fix whole transient electromagnetic apparatus such as receiver, and connection host；
Host is opened, pushes the present apparatus mobile in tunnel tunnel face survey line until completing the detection operations of whole surveys line；
It dismantles and folding and unfolding receiver, transmitting coil, support rod, support rod connector, transmitting coil clamper, embedded auxiliary
Bar is helped, telescoping tube is shunk, the present apparatus is folded and keeps properly.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. it is a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that: transient electromagnetic transmitting coil
Loading device and detection device, in which:
Transient electromagnetic transmitting coil loading device includes Collapsible rack, telescoping tube and slider roller, the Collapsible rack
Edge is provided with slider roller, is connected between the frame of Collapsible rack by telescoping tube；
Transmitting coil clamper is detachably provided on the frame of the Collapsible rack to clamp transmitting coil, the detection
The centre of frame is provided with the receiver of transmitting coil；
The detection device includes detection frame, and the detection frame can be detachable with the Collapsible rack by connector
It connects, and the adjustable angle between the Collapsible rack, is provided with several transmitting coil clampers on the detection frame,
The transmitting coil clamper is provided with the receiver of transmitting coil to clamp transmitting coil, the centre of the detection frame,
By adjusting the angle between transient electromagnetic transmitting coil loading device present position and transmitting coil and the Collapsible rack
Degree, realizes the transient electromagnetic detecting in each position, direction.
2. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
It is provided with transmitting coil clamper on each frame of the frame of the Collapsible rack, face where transmitting coil is made to be parallel to ground
Face.
3. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
The size of the Collapsible rack is adapted with the transmitting coil.
4. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
It is provided with Y type connector and V-type connector each two on the Collapsible rack, can be inserted into detection frame, carry out splicing operation
When, the angular relationship of detection frame and Collapsible rack is adjusted by connector, and lift-launch coil can be made to be parallel to face
Place face.
5. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
The transmitting coil clamper is that high resiliency remembers non-metallic material, has engaging position, it is in associated frame members and right to be buckled in
Transmitting coil is gripped.
6. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
The telescoping tube is equipped with clamp button of the spring and rotates the folding rotary shaft of Collapsible rack to shrink all telescoping tubes.
7. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
Support rod is removably connected on the Collapsible rack, the receiver is set on the support rod.
8. it is as described in claim 1 a kind of suitable for tunnel and the collapsible transient electromagnetic detection device on road surface, it is characterized in that:
Support rod is removably connected on the detection frame, the receiver is set on the support rod.
9. based on the working method of device of any of claims 1-8, it is characterized in that: will be sent out when road surface detects
Ray circle is fixed on the Collapsible rack using transmitting coil buckle, installs connector, and connects host, is pushed foldable
Bracket completes the transient electromagnetic detecting of horizontal direction in the mobile detection operations up to completing whole surveys line of survey line.
10. based on the working method of device of any of claims 1-8, it is characterized in that: being detected in tunnel tunnel face
When, frame will be detected using connector and will be connect with Collapsible rack, make to detect frame parallel face where face, by emission lines
Circle is fixed on the detection frame using transmitting coil buckle, and the installs connector on detection frame, and connects host, is pushed away
Dynamic Collapsible rack is mobile in survey line until completing the detection operations of whole surveys line.
Priority Applications (1)
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| CN201910702710.1A CN110376653B (en) | 2019-07-31 | 2019-07-31 | Folding type transient electromagnetic detection device and method suitable for tunnel and road surface |
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| CN201910702710.1A CN110376653B (en) | 2019-07-31 | 2019-07-31 | Folding type transient electromagnetic detection device and method suitable for tunnel and road surface |
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| CN110376653B CN110376653B (en) | 2021-02-23 |
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Cited By (6)
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|---|---|---|---|---|
| CN111025404A (en) * | 2019-11-26 | 2020-04-17 | 山东大学 | Foldable transient electromagnetic coil carrying device and using method thereof |
| CN111175837A (en) * | 2020-01-21 | 2020-05-19 | 太原理工大学 | Transient electromagnetic interference-free emission device for inclined roadway mine and application method thereof |
| CN112612061A (en) * | 2020-11-25 | 2021-04-06 | 重庆大学 | Host-free mining intrinsic safety type transient electromagnetic detection device, method and system |
| CN112665471A (en) * | 2020-12-24 | 2021-04-16 | 昆明理工大学 | Residual detonator detection device after mine blasting |
| CN117310825A (en) * | 2023-11-28 | 2023-12-29 | 新汶矿业集团有限责任公司孙村煤矿 | Wheel type transient electromagnetic detection equipment and operation method thereof |
| CN117647845A (en) * | 2024-01-29 | 2024-03-05 | 中国科学院精密测量科学与技术创新研究院 | Foldable radio frequency coil device for monitoring frozen soil active layer |
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