CN109187592A - Wood internal structure imaging system - Google Patents
Wood internal structure imaging system Download PDFInfo
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- CN109187592A CN109187592A CN201810876401.1A CN201810876401A CN109187592A CN 109187592 A CN109187592 A CN 109187592A CN 201810876401 A CN201810876401 A CN 201810876401A CN 109187592 A CN109187592 A CN 109187592A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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Abstract
The invention discloses a kind of wood internal structure imaging systems, belong to log detection field.It includes object carrying support vehicle, loading-unit, X-ray emission unit, X-ray receiving unit and two-way removable slide unit, wherein: the loading-unit is arranged in object carrying support car portion, the loading-unit includes loading disk and rotary lifting mechanism, and the rotary lifting mechanism connect with the loading disk and drives the loading disc rotary and lifting；The two-way removable slide unit is arranged on object carrying support vehicle top, the X-ray emission unit and X-ray receiving unit are arranged on the two-way removable slide unit and are located at the loading-unit two sides, and the X-ray emission unit and/or X-ray receiving unit can be along the two-way removable slide unit slidings.The present invention can rebuild the three-view diagram image of various sizes of detected timber, automatic to detect wood internal structure feature.
Description
Technical field
The present invention relates to log detection fields, particularly relate to a kind of wood internal structure imaging system.
Background technique
Wood nondestructive testing is a kind of pair of nondestructive detection technique of timber.Currently, having occurred design molding both at home and abroad
Wood nondestructive testing system, the timber such as a kind of any angle real time imagery mentioned in patent CN201410076803 is lossless
Detection device, but after the wood nondestructive testing device is to timber Scanning Detction, two dimensional image can only be presented, and be to pass through lifting
The method of ray emitter and ray receiver realizes the detection to timber different parts, and then rebuilds the inside after timber scanning
Image achievees the purpose that wood nondestructive testing.This wood nondestructive testing device has certain limitation, since device designs ruler
It is very little smaller, can only the lesser timber of detection radius, and device cannot shift position etc. as needed.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of wood internal structure imaging system, the present invention can be rebuild not
It is automatic to detect wood internal structure feature with the three-view diagram image of the detected timber of size.
It is as follows that the present invention provides technical solution:
A kind of wood internal structure imaging system, including object carrying support vehicle, loading-unit, X-ray emission unit, X-ray
Receiving unit and two-way removable slide unit, in which:
The loading-unit is arranged in object carrying support car portion, and the loading-unit includes that loading disk and rotation rise
Descending mechanism, the rotary lifting mechanism connect with the loading disk and drive the loading disc rotary and lifting；
The two-way removable slide unit is arranged on object carrying support vehicle top, and the X-ray emission unit and X-ray connect
Receive unit be arranged on the two-way removable slide unit and be located at the loading-unit two sides, the X-ray emission unit and/or
X-ray receiving unit can be along the two-way removable slide unit sliding.
Further, the two-way removable slide unit includes two horizontal straight guides being parallel to each other and two c-type workpiece；
The both ends of the c-type workpiece are each provided with two sliding blocks, and the sliding block is stuck on the horizontal straight guide and can be along the level
Straight guide slides, and is provided with locking device on the sliding block；One of c-type workpiece passes through X-ray emitter bracket and the X
The connection of ray emission unit, another c-type workpiece are connect by X-ray receptor bracket with the X-ray receiving unit.
Further, the middle part of at least one c-type workpiece is connected with screw shell, the screw shell set by connecting rod
On the first screw rod, first screw rod is connected with motor.
Further, the motor is connected with the first speed reducer, and first speed reducer passes through described in the connection of the first belt
First screw rod, first speed reducer are arranged on the first deceleration machine support, and first screw rod both ends are connected with described in support
The first sleeve of first screw rod.
Further, the both ends of the horizontal straight guide and the loading disc centre are arranged perpendicular at horizontal straight guide
Have close to switch and travel switch.
Further, the rotary lifting mechanism includes rotating electric machine and lifting motor, and the rotating electric machine passes through second
Belt connection loading disk simultaneously drives the loading disc rotary, and the lifting motor is connected with the second screw rod, second spiral shell
Bar is threadedly coupled with the loading disk, and the lifting motor passes through the lifting of loading disk described in the second screw drive.
Further, connecting plate is provided with below the loading disk, the rotating electric machine is connected by the second speed reducer
On the connecting plate, it is provided with two guide rods on the diagonal line of the connecting plate, is cased with second sleeve outside the guide rod,
The second sleeve is connect with the object carrying support vehicle, and second screw jacket has screw rod protective sleeve.
Further, sensor stand is provided on one of guide rod, the sensor stand upper end, which is provided with, to be connect
Nearly switch, lower end are provided with travel switch, and one of guide rod bottom end is provided with postive stop baffle.
Further, it is provided with multiple groups clamping device on the loading disk, the clamping device can sliding slot radially
It is mobile, 360 ° of groove is provided on the loading disk.
Further, the object carrying support vehicle includes bracket, and the side face is provided with protective plate, the frame bottom
It is provided with universal wheel.
The invention has the following advantages:
Wood internal structure imaging system of the invention when in use, tested timber 600 is placed on loading disk, X
Ray emission unit and X-ray receiving unit are located at tested timber two sides, scan tested timber.By rotary lifting mechanism to quilt
It surveys timber to be rotated and gone up and down, realizes to carry and be detected that timber is suitable, rotation counterclockwise, the functions such as up and down, automatically to quilt
It surveys timber different parts to be detected, and then rebuilds the internal image after timber scanning, tested wood internal structure three is presented and regards
Figure.
Also, the present invention can detecte various sizes of timber, when detected timber diameter is less than 100mm, can be considered
Small size test sample, the appropriate X-ray emitter and X-ray receptor of reducing are conducive to the distance at loading disc rotary center
The resolution ratio for improving reconstruction image increases X-ray emitter and X-ray receptor to load when detected timber is relatively large in diameter
The distance at object disc rotary center.
In conclusion wood internal structure imaging system of the invention can rebuild three views of various sizes of detected timber
Figure image, it is automatic to detect wood internal structure feature.
Detailed description of the invention
Fig. 1 is the schematic diagram of wood internal structure imaging system of the invention；
Fig. 2 is the schematic diagram of object carrying support vehicle；
Fig. 3 is the schematic diagram of loading disk；
Fig. 4,5 are two-way removable slide unit schematic diagram；
Fig. 6 is the schematic diagram of loading-unit；
Fig. 7 is the connection schematic diagram of rotary lifting mechanism and object carrying support vehicle.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of wood internal structure imaging system, as shown in figs. 1-7, including object carrying support vehicle 100, loading
Unit 200, X-ray emission unit 300, X-ray receiving unit 400 and two-way removable slide unit 500, in which:
Loading-unit 200 is arranged inside object carrying support vehicle 100, and loading-unit 200 includes that loading disk 201 and rotation rise
Descending mechanism 202, rotary lifting mechanism 202 connect with loading disk 201 and loading disk 201 are driven to rotate and go up and down；
The two-way setting of removable slide unit 500 is received in 100 top of object carrying support vehicle, X-ray emission unit 300 and X-ray
Unit 400 is arranged on two-way removable slide unit 500 and is located at 100 two sides of loading-unit, X-ray emission unit 300 and/or X
Ray receiving unit 400 can be slided along two-way removable slide unit 500.
Wood internal structure imaging system of the invention when in use, tested timber 600 is placed on loading disk, X
Ray emission unit and X-ray receiving unit are located at tested timber two sides, scan tested timber.By rotary lifting mechanism to quilt
It surveys timber to be rotated and gone up and down, realizes to carry and be detected that timber is suitable, rotation counterclockwise, the functions such as up and down, automatically to quilt
It surveys timber different parts to be detected, and then rebuilds the internal image after timber scanning, tested wood internal structure three is presented and regards
Figure.
Also, the present invention can detecte various sizes of timber, when detected timber diameter is less than 100mm, can be considered
Small size test sample, the appropriate X-ray emitter and X-ray receptor of reducing are conducive to the distance at loading disc rotary center
The resolution ratio for improving reconstruction image increases X-ray emitter and X-ray receptor to load when detected timber is relatively large in diameter
The distance at object disc rotary center.
In conclusion wood internal structure imaging system of the invention can rebuild three views of various sizes of detected timber
Figure image, it is automatic to detect wood internal structure feature.
As an improvement of the present invention, as shown in Figure 4,5, two-way removable slide unit 500 is parallel to each other including two
Horizontal straight guide 501 and two c-type workpiece 502；The both ends of c-type workpiece 502 are each provided with two sliding blocks, 503,4 sliding blocks can be with
Guarantee X-ray emission unit can smooth sliding not Caton, can remain flat with X-ray receiving unit in moving process
It goes, X-ray emission unit stabilization is kept in detection process, is not shaken.
Sliding block 503 is stuck on horizontal straight guide 501 and can slide along horizontal straight guide 501, is provided on sliding block 503 locked
Device 504；It, can be by locking device by c-type work after the position for having adjusted X-ray emission unit and X-ray receiving unit
Sliding block below part is locked, so that X-ray emission unit and X-ray receiving unit position be fixed, prevents position in detection process
It sets and changes, improve the stability of entire scanning process, locking device preferably latches.
One of c-type workpiece is connect by X-ray emitter bracket 505 with X-ray emission unit 300, another c-type
Workpiece is connect by X-ray receptor bracket 506 with X-ray receiving unit 400, is preferably connected by screw 507.Realize that X is penetrated
The distance of line transmitter and X-ray receptor to rotation center is adjustable in a certain range, can detect the timber of different radii.
Further, the middle part of at least one c-type workpiece 502 is connected with screw shell 509, screw thread by connecting rod 508
509 sets of sleeve on the first screw rod 510, the first screw rod 510 is connected with motor 511.The rotation of the first screw rod of motor driven, and then band
Dynamic X-ray emission unit is moved along linear guide.According to the radius size of tested timber, X-ray emission unit and X are automatically adjusted
The position of ray receiving unit, if tested timber radius is smaller, it is appropriate reduce X-ray emission unit to rotation center away from
From conducive to the resolution ratio for improving reconstruction image.If tested timber radius is larger, the appropriate X-ray emission unit that increases is to loading circle
The distance of disk center is, it can be achieved that object to be detected scanning area integrally covers.
Preferably, motor 511 is connected with the first speed reducer 512, and the reducer gear 513 of the first speed reducer 512 passes through the
One belt 514 connects the first screw rod 510, and the first speed reducer 512 is arranged on the first deceleration machine support 515, the first 510 liang of screw rod
End is connected with the first sleeve 516 of the first screw rod 510 of support.
In the present invention, the both ends and 201 center of loading disk of horizontal straight guide 501 at horizontal straight guide 501 perpendicular to setting
It is equipped with close to switch 700 and travel switch 800.The c-type work on X-ray emission unit and X-ray receiving unit is prevented well
Part displacement excessively, and damages two-way removable horizontal sliding table and the first screw rod.
It is improved as another kind of the invention, as shown in Figure 6,7, rotary lifting mechanism 202 includes rotating electric machine 203 and rises
Motor 204 drops, and rotating electric machine 203 connects loading disk 201 by the second belt 205 and loading disk 201 is driven to rotate, lifting
Motor 204 is connected with the second screw rod 206, and the second screw rod 206 is threadedly coupled with loading disk 201, and lifting motor 204 passes through second
Screw rod 206 drives loading disk 201 to go up and down.The structure can be rotated and be gone up and down simultaneously, be risen simultaneously to realize to detected timber
Drop and rotation improve detection efficiency, and lifting precision is not more than 0.5mm, and running accuracy is 0.1 °.
Further, connecting plate 207 is provided with below loading disk 201, rotating electric machine 203 passes through the second speed reducer 208
It is connected on connecting plate 207, two guide rods 209 is provided on the diagonal line of connecting plate 207, second is cased with outside guide rod 209
Sleeve 210, second sleeve 210 are connect with object carrying support vehicle 100, lifting rotate so that drive the second screw rod rotation, by with
The cooperation of guide rod, control loading disk vertical lifting, and guide rod allow loading disk keep vertical ascent or
Decline can effectively avoid tested timber in lifting process from shaking.Screw rod protective sleeve 211 is cased with outside second screw rod 206.
It is provided with sensor stand 212 on preferred one of guide rod 209,212 upper end of sensor stand is provided with
Close to switch 213, lower end is provided with travel switch 214, and one of 209 bottom end of guide rod is provided with postive stop baffle 215.
It is connected to PLC controller close to switch, loading disk is raised or lowered to defined position, and process control point detects
On-off signal high level signal controls motor stalls.Travel switch is connected to power supply line's relay of servo-driver
Signal control terminal triggers travel switch close to malfunctioning switch, and normally closed relay is jumped because receiving high level signal
Become to open a way, motor power-off is caused to stop operating immediately.
By the setting of process control point and the setting of travel switch, effectively define high-precision in rotation and lifting structure
Spend the stroke of screw rod, it is therefore prevented that decline displacement is excessive during high-precision screw drops under rotation, causes screw flight and dress
The damage set, while also preventing high-precision screw in rotation to rise displacement excessive, exceed stroke, so that it is high that tested timber occurs
Height is spent, beyond tested log detection range, shakes tested timber in rotary course, to influence testing result.
Multiple groups clamping device 216, preferably 3 groups are provided on loading disk 201 of the invention, every stack clamping device can be right
Tested timber is clamped fixation, prevents loading disk in the moment for starting to rotate and stop rotating, and tested timber slides.
Clamping device 216 can sliding slot 217 radially it is mobile, achieve the purpose that far from or close to rotation center, and then by tested timber
It is secured firmly on loading disk, with the process that loading disc rotary is gone up and down, tested timber, which is able to maintain, to be stablized, does not slide
It is dynamic.360 ° of groove is provided on loading disk 201, tested timber carries out seamless label on the outside before detection, to have
Specific accurate analysis is carried out to tested wood internal structure or defect conducive to after the completion of detection.
Object carrying support vehicle can be various structures, it is preferred that object carrying support vehicle 100 includes bracket 101,101 side of bracket
It is provided with protective plate 102,101 bottom of bracket is provided with universal wheel 103, and protective plate 102 is connect by loose-leaf 104 with bracket.?
In detection process, protective plate can prevent operator from directly contacting rotating electric machine, lifting motor and the second screw rod, protect people
Member's safety, universal wheel can move the detection device, convenient for outdoor detection.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of wood internal structure imaging system, which is characterized in that including object carrying support vehicle, loading-unit, X-ray emission list
Member, X-ray receiving unit and two-way removable slide unit, in which:
The loading-unit is arranged in object carrying support car portion, and the loading-unit includes loading disk and rotary lifter
Structure, the rotary lifting mechanism connect with the loading disk and drive the loading disc rotary and lifting；
The two-way removable slide unit setting receives list in object carrying support vehicle top, the X-ray emission unit and X-ray
Member is arranged on the two-way removable slide unit and is located at the loading-unit two sides, and the X-ray emission unit and/or X are penetrated
Line receiving unit can be along the two-way removable slide unit sliding.
2. wood internal structure imaging system according to claim 1, which is characterized in that the two-way removable slide unit packet
Include the horizontal straight guide and two c-type workpiece that two are parallel to each other；The both ends of the c-type workpiece are each provided with two sliding blocks, institute
It states sliding block to be stuck on the horizontal straight guide and can slide along the horizontal straight guide, is provided with locking device on the sliding block；
One of c-type workpiece is connect by X-ray emitter bracket with the X-ray emission unit, another c-type workpiece passes through X
Ray receiver bracket is connect with the X-ray receiving unit.
3. wood internal structure imaging system according to claim 2, which is characterized in that at least one c-type workpiece
Portion is connected with screw shell by connecting rod, and the screw shell covers on the first screw rod, and first screw rod is connected with motor.
4. wood internal structure imaging system according to claim 3, which is characterized in that the motor is connected with first and subtracts
Fast machine, first speed reducer connect first screw rod by the first belt, and the first speed reducer setting is slowed down first
On machine support, first screw rod both ends are connected with the first sleeve for supporting first screw rod.
5. wood internal structure imaging system according to claim 2, which is characterized in that the both ends of the horizontal straight guide
With the loading disc centre perpendicular to be provided at horizontal straight guide close to switch and travel switch.
6. wood internal structure imaging system according to claim 1, which is characterized in that the rotary lifting mechanism includes
Rotating electric machine and lifting motor, the rotating electric machine connect loading disk by the second belt and drive the loading disk rotary
Turn, the lifting motor is connected with the second screw rod, and second screw rod is threadedly coupled with the loading disk, the lifting motor
It is gone up and down by loading disk described in the second screw drive.
7. wood internal structure imaging system according to claim 6, which is characterized in that setting below the loading disk
There is connecting plate, the rotating electric machine is connected on the connecting plate by the second speed reducer, is set on the diagonal line of the connecting plate
Two guide rods are equipped with, are cased with second sleeve outside the guide rod, the second sleeve is connect with the object carrying support vehicle, described
Second screw jacket has screw rod protective sleeve.
8. wood internal structure imaging system according to claim 6, which is characterized in that be arranged on one of guide rod
There is sensor stand, the sensor stand upper end is provided with close to switch, and lower end is provided with travel switch, one of guiding
Bar bottom end is provided with postive stop baffle.
9. -8 any wood internal structure imaging system according to claim 1, which is characterized in that on the loading disk
Be provided with multiple groups clamping device, the clamping device can sliding slot radially it is mobile, be provided with 360 ° on the loading disk
Groove.
10. wood internal structure imaging system according to claim 9, which is characterized in that the object carrying support vehicle includes
Bracket, the side face are provided with protective plate, and the frame bottom is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876401.1A CN109187592B (en) | 2018-08-03 | 2018-08-03 | Imaging system for internal structure of wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876401.1A CN109187592B (en) | 2018-08-03 | 2018-08-03 | Imaging system for internal structure of wood |
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| Publication Number | Publication Date |
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| CN109187592A true CN109187592A (en) | 2019-01-11 |
| CN109187592B CN109187592B (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810876401.1A Active CN109187592B (en) | 2018-08-03 | 2018-08-03 | Imaging system for internal structure of wood |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362036A (en) * | 2020-11-02 | 2021-02-12 | 上海建工一建集团有限公司 | Method for counting complex engineering physical quantity based on 3D scanning and ray detection technology |
| CN117092141A (en) * | 2023-10-18 | 2023-11-21 | 广东天信电力工程检测有限公司 | X-ray nondestructive flaw detection equipment and method for power transmission line |
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| CN103792244A (en) * | 2014-03-04 | 2014-05-14 | 东北林业大学 | Wood nondestructive testing device capable of conducting imaging in real time at any angle |
| CN206906276U (en) * | 2017-04-28 | 2018-01-19 | 福建省漳平木村林产有限公司 | A kind of three-dimensional timber scanning means based on X ray |
| CN208688992U (en) * | 2018-08-03 | 2019-04-02 | 山东建筑大学 | Plate for timber-construction material nondestructive detection system |
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| JP2007199058A (en) * | 2005-12-28 | 2007-08-09 | Sapporo Breweries Ltd | X-ray inspection apparatus |
| CN201191276Y (en) * | 2007-09-06 | 2009-02-04 | 同方威视技术股份有限公司 | Apparatus for detecting contraband article in air-freight service container |
| CN103792244A (en) * | 2014-03-04 | 2014-05-14 | 东北林业大学 | Wood nondestructive testing device capable of conducting imaging in real time at any angle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112362036A (en) * | 2020-11-02 | 2021-02-12 | 上海建工一建集团有限公司 | Method for counting complex engineering physical quantity based on 3D scanning and ray detection technology |
| CN117092141A (en) * | 2023-10-18 | 2023-11-21 | 广东天信电力工程检测有限公司 | X-ray nondestructive flaw detection equipment and method for power transmission line |
| CN117092141B (en) * | 2023-10-18 | 2024-01-05 | 广东天信电力工程检测有限公司 | X-ray nondestructive flaw detection equipment and method for power transmission line |
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| CN109187592B (en) | 2022-01-11 |
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