CN108459356A - A kind of metal detecting device of adaptive road conditions - Google Patents
A kind of metal detecting device of adaptive road conditions Download PDFInfo
- Publication number
- CN108459356A CN108459356A CN201810172390.9A CN201810172390A CN108459356A CN 108459356 A CN108459356 A CN 108459356A CN 201810172390 A CN201810172390 A CN 201810172390A CN 108459356 A CN108459356 A CN 108459356A
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- China
- Prior art keywords
- metal detector
- mounting plate
- metal
- road conditions
- detecting device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
Abstract
The present invention provides a kind of metal detecting devices of adaptive road conditions, including tablet, mounting plate, protective cover, controller, driving motor, distance measuring sensor, metal detector；Flat plate bottom is equipped with several universal wheels, and the middle part of tablet is equipped with through-hole, two crossbeams are arranged on the inner wall of through-hole, every crossbeam is equipped with two upright guide rails, every guide rail is equipped with an idler wheel, and the side of mounting plate is fixedly connected with each idler wheel, and mounting plate is equipped with metal detector；Driving motor is arranged at the top of protective cover, and driving motor is connect by conducting wire with metal detector, controls the up and down motion of metal detector and mounting plate；Distance measuring sensor is located at the bottom of mounting plate, and driving motor and distance measuring sensor are connect with controller respectively.The metal detecting device of adaptive road conditions provided in an embodiment of the present invention can facilitate geological personnel to carry out metal detection to underground, while metal detector can meet different road conditions demands in mounting plate with the automatic up and down adjustment of upright guide rail.
Description
Technical field
The invention belongs to geological prospecting equipment technical fields, are to be related to a kind of metal of adaptive road conditions more specifically
Survey meter device.
Background technology
In geological prospecting, it is often necessary to use metal detector.Such as in engineer geological prospecting, it to be used for Underground
Metal embedded object, such as metallic conduit, pipeline etc.；In mineral product geology exploration, for detecting and finding rusty gold etc..
Currently, traditional metal detector is usually hand-held, in the wild or in the environment of exploitation, road conditions are more multiple
It is miscellaneous severe, if geological personnel uses the metal detector of hand-held for a long time, it can cause to be short of physical strength, and then influence geological prospecting
Efficiency.
Invention content
The purpose of the present invention is to provide a kind of metal detector devices of adaptive road conditions, to solve to make in the prior art
With the metal detector of hand-held, in the wild or in the environment of exploitation, road conditions are complex severe, if geological personnel is for a long time
The problem of using the metal detector of hand-held, causing to be short of physical strength, and then influencing the efficiency of geological prospecting.
To achieve the above object, the technical solution adopted by the present invention is：A kind of metal detection dress of adaptive road conditions is provided
It sets, including：
Tablet, mounting plate, protective cover, controller, driving motor, distance measuring sensor, metal detector；
The flat plate bottom is equipped with several universal wheels, and the middle part of the tablet is equipped with through-hole, on the inner wall of the through-hole
Two crossbeams are arranged with, every crossbeam is equipped with two upright guide rails, and every guide rail is equipped with an idler wheel, the mounting plate
Side is fixedly connected with each idler wheel, and the mounting plate is equipped with the metal detector；
The driving motor and the controller are arranged at the top of the protective cover, the driving motor by conducting wire with
The metal detector connection, controls the up and down motion of metal detector and mounting plate；The distance measuring sensor is located at the peace
The bottom of loading board, the driving motor and the distance measuring sensor are connect with the controller respectively；
The distance measuring sensor sends distance measuring signal and arrives the controller, mounting plate distance is carried in the distance measuring signal
The distance parameter in face；The controller judges whether the distance parameter has exceeded the first pre-determined distance threshold value；If described in judging
Whether distance parameter has exceeded the first pre-determined distance threshold value, then controls the driving motor and pass through metal described in the polygon control survey
Detector and mounting plate move upwards.
Further, several damping shock absorbers are equipped between the mounting plate and the metal detector.
Further, the mounting plate, the guide rail and the metal detector are respectively positioned in the protective cover.
Further, the mounting plate is connect with the idler wheel by mobile link block.
Further, the rear end of the tablet is equipped with several telescopic rods, and the top of telescopic rod is connected with ring-shaped handle jointly.
Further, further include the display equipment being arranged on the ring-shaped handle, the display equipment and the metal
Detector connects, the result of detection for showing metal detector.
Further, further include the switchgear being arranged on the ring-shaped handle, the switchgear and the metal
Detector connects, for controlling being turned on and off for the metal detector..
Further, further include wireless module, the controller is linked with the metal detector, the wireless module with
Controller connects.
Further, the controller is microcontroller or programmable logic controller (PLC) PLC.
Further, the metal detector be electromagnetic induction type metal detector, X-ray detection type metal detector or
Any one in microwave detection type metal detector.
The advantageous effect of the metal detecting device of adaptive road conditions provided by the invention is：Compared with prior art, originally
The metal detecting device for the adaptive road conditions that inventive embodiments provide, including tablet, mounting plate, protective cover, controller, driving electricity
Machine, distance measuring sensor, metal detector；Flat plate bottom is equipped with several universal wheels, and the middle part of tablet is equipped with through-hole, through-hole it is interior
Two crossbeams are arranged on wall, every crossbeam is equipped with two upright guide rails, and every guide rail is equipped with an idler wheel, mounting plate
Side is fixedly connected with each idler wheel, and mounting plate is equipped with metal detector；Driving motor is arranged in the top of protective cover, driving electricity
Machine is connect by conducting wire with metal detector, and the up and down motion of metal detector and mounting plate is controlled；Distance measuring sensor is located at peace
The bottom of loading board, driving motor and distance measuring sensor are connect with controller respectively；Distance measuring sensor sends distance measuring signal to control
Device carries distance parameter of the mounting plate apart from ground in distance measuring signal；Controller judges whether distance parameter has exceeded default
One distance threshold；If judging whether distance parameter has exceeded default first distance threshold, controls driving motor and pass through conducting wire control
Metal detector and mounting plate processed move upwards.The metal detecting device of adaptive road conditions provided in an embodiment of the present invention can be square
Just geological personnel carries out metal detection to underground, while metal detector can be lowered in mounting plate as upright guide rail is automatically upper
Section, meets different road conditions demands.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the side view of the structural schematic diagram of the metal detecting device of adaptive road conditions provided in an embodiment of the present invention；
Fig. 2 is the vertical view of the structural schematic diagram of the metal detecting device of adaptive road conditions provided in an embodiment of the present invention；
Fig. 3 is the partial structural diagram of the metal detecting device of adaptive road conditions provided in an embodiment of the present invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 3, now the metal detecting device of adaptive road conditions provided by the invention is illustrated.
The metal detecting device of adaptive road conditions, including tablet 1, mounting plate 8, protective cover 11, controller 16, driving motor 15, ranging
Sensor 17, metal detector 10；
1 bottom of tablet is equipped with several universal wheels 2, and the middle part of tablet 1 is equipped with through-hole 3, is arranged on the inner wall of through-hole 3
Two crossbeams 4, every crossbeam 4 are equipped with two upright guide rails 5, and every guide rail 5 is equipped with an idler wheel 6, the side of mounting plate 8 with
Each idler wheel 6 is fixedly connected, and mounting plate 8 is equipped with metal detector 10；
Driving motor 15 and controller 16 are arranged at the top of protective cover 11, and driving motor 15 is visited by conducting wire 18 and metal
It surveys device 10 to connect, controls the up and down motion of metal detector 10 and mounting plate 8；Distance measuring sensor 17 is located at the bottom of mounting plate,
Driving motor 15 and distance measuring sensor 17 are connect with controller 16 respectively；
Distance measuring sensor 17 sends distance measuring signal and arrives controller 16, in distance measuring signal carrying mounting plate 8 apart from ground away from
From parameter；Controller 16 judges whether distance parameter has exceeded the first pre-determined distance threshold value；If judging whether distance parameter exceeds
The first pre-determined distance threshold value then controls driving motor 15 and passes through that conducting wire 18 controls metal detector 10 and mounting plate 8 is transported upwards
It is dynamic.
In one embodiment of the invention, if controller 16 judges whether distance parameter has exceeded the second pre-determined distance threshold
Value then controls driving motor 15 and is moved downward by the control metal detector 10 of conducting wire 18 and mounting plate 8.Drive can specifically be passed through
By discharging conducting wire 18, metal detector 10 and mounting plate 8 are moved downward dynamic motor 15 due to the effect of gravity.
Wherein, the first pre-determined distance threshold value and the second pre-determined distance threshold value can be configured according to load conditions.
It should be noted that：Protective cover 11 can be the isolation cover for having function of shielding, for preventing inside protective cover 11
Metal detector receive the interference of other electromagnetic signals.Mounting plate 8 is nonmetallic materials, including but not limited to plastics, rubber.
Driving motor 15 can be servo motor or stepper motor.Distance measuring sensor 17 is that radar range finding sensor or infrared distance measurement sense
Device.Conducting wire 18 can be nylon rope.
The metal detecting device of adaptive road conditions provided by the invention, compared with prior art, it is provided in this embodiment from
Adapt to the metal detecting device of road conditions, including tablet, mounting plate, protective cover, controller, driving motor, distance measuring sensor, metal
Detector；Flat plate bottom is equipped with several universal wheels, and the middle part of tablet is equipped with through-hole, two cross are arranged on the inner wall of through-hole
Beam, every crossbeam are equipped with two upright guide rails, and every guide rail is equipped with an idler wheel, and the side of mounting plate is fixed with each idler wheel
Connection, mounting plate are equipped with metal detector；Driving motor is arranged at the top of protective cover, and driving motor is visited by conducting wire and metal
Device connection is surveyed, the up and down motion of metal detector and mounting plate is controlled；Distance measuring sensor is located at the bottom of mounting plate, driving motor
It is connect respectively with controller with distance measuring sensor；Distance measuring sensor sends distance measuring signal and arrives controller, carries in distance measuring signal and pacifies
Distance parameter of the loading board apart from ground；Controller judges whether distance parameter has exceeded default first distance threshold；If judge away from
Default first distance threshold whether is had exceeded from parameter, then controls driving motor and passes through polygon control survey metal detector and mounting plate
It moves upwards.The metal detecting device of adaptive road conditions provided in an embodiment of the present invention can facilitate geological personnel to carry out underground
Metal detection, while metal detector can meet different road conditions demands in mounting plate with the automatic up and down adjustment of upright guide rail.
Further, also referring to Fig. 1 and Fig. 2, the metal detecting device as adaptive road conditions provided by the invention
A kind of specific implementation mode, between mounting plate 8 and metal detector 10 be equipped with several damping shock absorbers 9.If passing through dry friction damping
Damper, which lowers severe road conditions, is influenced metal detector by impact vibration, improves the service life of metal detector.
Further, it please refers to Fig.1 and Fig. 2, one of the metal detecting device as adaptive road conditions provided by the invention
Kind specific implementation mode, mounting plate 8, guide rail 5 and metal detector 10 are respectively positioned in protective cover 11.By by mounting plate, guide rail
The safety for ensureing metal detector is set with metal detector in protective cover.
In one embodiment of the invention, the protective cover 11 in of the invention can be electromagnetic signal shielding case.
Further, refering to fig. 1 and Fig. 2, one kind of the metal detecting device as adaptive road conditions provided by the invention
Specific implementation mode, mounting plate 8 are connect with idler wheel 6 by mobile link block 7.Wherein, mobile link block 7 can be connection iron.
Ensure the stable connection of mounting plate and idler wheel by mobile link block.
Further, it please refers to Fig.1 and Fig. 2, one of the metal detecting device as adaptive road conditions provided by the invention
The rear end of kind specific implementation mode, tablet 1 is equipped with several telescopic rods 12, and the top of telescopic rod is connected with ring-shaped handle 13 jointly.
Telescopic rod can adjust the position of ring-shaped handle, to facilitate the use of geology staff, improve detection efficient.
Further, it please refers to Fig.1 to Fig.3, one of the metal detecting device as adaptive road conditions provided by the invention
Kind specific implementation mode, further includes the display equipment 14 being arranged on ring-shaped handle 13, display equipment 14 and metal detector 10
Connection, the result of detection for showing metal detector 10.Display equipment facilitates geology staff to check result of detection in time.
Further, refering to fig. 1 to Fig. 3, one kind of the metal detecting device as adaptive road conditions provided by the invention
Specific implementation mode, further includes the switchgear 19 being arranged on ring-shaped handle 13, and switchgear 19 connects with metal detector 10
It connects, for controlling being turned on and off for metal detector 10.Switchgear facilitates geology staff to be turned on and off metal spy
Survey device.
Further, it please refers to Fig.1 to Fig.3, one of the metal detecting device as adaptive road conditions provided by the invention
Kind of specific implementation mode, further includes wireless module 20, and controller 16 and metal detector link 16, wireless module 20 and controller
16 connections.Wherein, controller 16 and wireless module 20 can be arranged in any position of metal detecting device.Metal detector 10
Result of detection can be sent to controller, controller 16 judges whether result of detection meets preset condition (for example, more than default
Numerical value when), result of detection is sent to wireless module 20 by controller 16, and result of detection is sent to others by wireless module 20
Terminal device (for example, the hand-held terminal device for other geological works personnel that surrounding works together).
Further, a kind of specific implementation mode as the metal detecting device of adaptive road conditions provided by the invention,
The controller is microcontroller or programmable logic controller (PLC) PLC.
Further, a kind of specific implementation mode as the metal detecting device of adaptive road conditions provided by the invention,
The metal detector is that electromagnetic induction type metal detector, X-ray detection type metal detector or microwave detection type metal are visited
Survey any one in device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of metal detecting device of adaptive road conditions, which is characterized in that including：Tablet, mounting plate, protective cover, controller,
Driving motor, distance measuring sensor, metal detector；
The flat plate bottom is equipped with several universal wheels, and the middle part of the tablet is equipped with through-hole, symmetrical on the inner wall of the through-hole
Equipped with two crossbeams, every crossbeam is equipped with two upright guide rails, and every guide rail is equipped with an idler wheel, the side of the mounting plate
It is fixedly connected with each idler wheel, the mounting plate is equipped with the metal detector；
The driving motor and the controller are arranged at the top of the protective cover, the driving motor by conducting wire with it is described
Metal detector connects, and controls the up and down motion of metal detector and mounting plate；The distance measuring sensor is located at the mounting plate
Bottom, the driving motor and the distance measuring sensor are connect with the controller respectively；
The distance measuring sensor sends distance measuring signal and arrives the controller, and carrying mounting plate is apart from ground in the distance measuring signal
Distance parameter；The controller judges whether the distance parameter has exceeded the first pre-determined distance threshold value；If judging the distance
Whether parameter has exceeded the first pre-determined distance threshold value, then controls the driving motor and pass through metal detection described in the polygon control survey
Device and mounting plate move upwards.
2. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that the mounting plate with it is described
Several damping shock absorbers are equipped between metal detector.
3. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that the mounting plate, described
Guide rail and the metal detector are respectively positioned in the protective cover.
4. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that the mounting plate with it is described
Idler wheel is connected by mobile link block.
5. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that the rear end of the tablet is set
There are several telescopic rods, the top of telescopic rod to be connected with ring-shaped handle jointly.
6. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that further include being arranged described
Display equipment on ring-shaped handle, the display equipment are connect with the metal detector, the spy for showing metal detector
Survey result.
7. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that further include being arranged described
Switchgear on ring-shaped handle, the switchgear are connect with the metal detector, for controlling the metal detector
Be turned on and off.
8. the metal detecting device of adaptive road conditions according to claim 1, which is characterized in that further include wireless module,
The controller is linked with the metal detector, and the wireless module is connect with controller.
9. the metal detecting device of adaptive road conditions according to claims 1 to 8, which is characterized in that the controller is
Microcontroller or programmable logic controller (PLC) PLC.
10. requiring the metal detecting device of the adaptive road conditions of 1~8 any one of them according to profit, which is characterized in that the metal
Detector is in electromagnetic induction type metal detector, X-ray detection type metal detector or microwave detection type metal detector
Any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172390.9A CN108459356B (en) | 2018-03-01 | 2018-03-01 | Metal detection device of self-adaptation road conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810172390.9A CN108459356B (en) | 2018-03-01 | 2018-03-01 | Metal detection device of self-adaptation road conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108459356A true CN108459356A (en) | 2018-08-28 |
| CN108459356B CN108459356B (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810172390.9A Active CN108459356B (en) | 2018-03-01 | 2018-03-01 | Metal detection device of self-adaptation road conditions |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490984A (en) * | 2018-11-14 | 2019-03-19 | 华北水利水电大学 | A kind of removably underground pipelines detection device |
| CN111605589A (en) * | 2020-06-19 | 2020-09-01 | 黑龙江科技大学 | Underground optical fiber positioning detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202025095U (en) * | 2010-12-20 | 2011-11-02 | 捷普电子(无锡)有限公司 | Leakage-proof automatic detecting machine for mounting screws |
| CN205605207U (en) * | 2016-05-16 | 2016-09-28 | 兰州资源环境职业技术学院 | Geology detecting device |
| CN206161876U (en) * | 2016-08-05 | 2017-05-10 | 东莞市矩正电子科技有限公司 | Metal detector |
| CN107479108A (en) * | 2017-09-29 | 2017-12-15 | 关华杏 | A kind of Liftable type metal detector |
-
2018
- 2018-03-01 CN CN201810172390.9A patent/CN108459356B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202025095U (en) * | 2010-12-20 | 2011-11-02 | 捷普电子(无锡)有限公司 | Leakage-proof automatic detecting machine for mounting screws |
| CN205605207U (en) * | 2016-05-16 | 2016-09-28 | 兰州资源环境职业技术学院 | Geology detecting device |
| CN206161876U (en) * | 2016-08-05 | 2017-05-10 | 东莞市矩正电子科技有限公司 | Metal detector |
| CN107479108A (en) * | 2017-09-29 | 2017-12-15 | 关华杏 | A kind of Liftable type metal detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490984A (en) * | 2018-11-14 | 2019-03-19 | 华北水利水电大学 | A kind of removably underground pipelines detection device |
| CN111605589A (en) * | 2020-06-19 | 2020-09-01 | 黑龙江科技大学 | Underground optical fiber positioning detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108459356B (en) | 2020-04-14 |
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Inventor after: Shi Zhixiang Inventor after: Jiao Lijun Inventor after: Huang Guangchun Inventor after: Tang Shaoqiang Inventor after: Li Jun Inventor after: Tong Zhandong Inventor before: Jiao Lijun Inventor before: Huang Guangchun Inventor before: Tang Shaoqiang Inventor before: Li Jun Inventor before: Tong Zhandong |
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