CN209656503U - A kind of device at image method measurement angle of repose - Google Patents
A kind of device at image method measurement angle of repose Download PDFInfo
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- CN209656503U CN209656503U CN201920343415.7U CN201920343415U CN209656503U CN 209656503 U CN209656503 U CN 209656503U CN 201920343415 U CN201920343415 U CN 201920343415U CN 209656503 U CN209656503 U CN 209656503U
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- screw rod
- image acquisition
- substrate
- repose
- rotating mechanism
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Abstract
The utility model discloses a kind of devices at image method measurement angle of repose, including material tray seat, measurement chassis, rotating mechanism and apparatus for adjusting position, the material tray seat is arranged on the measurement chassis, the rotating mechanism is arranged on the measurement chassis, the apparatus for adjusting position is arranged on the rotating mechanism, image acquisition device is provided on the apparatus for adjusting position, the apparatus for adjusting position is used to adjust the optical center level of image acquisition device and adjusts the high and low position of image acquisition device；In use state, the apparatus for adjusting position is under the action of the rotating mechanism around the sample heap rotation being located in the material tray seat.The utility model it is possible to prevente effectively from when as manual operation mobile image acquisition device because shake it is big, unstable due to caused by image acquisition device information when there are problems that error so that measurement accuracy is high, high degree of automation, and improve measurement efficiency.
Description
Technical field
Stop the technical field of angular measurement the utility model relates to particle, and in particular to a kind of image method measurement angle of repose
Device.
Background technique
Traditional angle measuring method that stops are as follows: the front of sample heap is provided with the Image Acquisition being placed on the ground
Picture collected is sent to control centre by device, image collecting device, and control centre is by the picture of acquisition according to contrast
Characteristic point is set, the angle of repose of sample heap can be calculated after characteristic point is acquired.When image collecting device is needed around sample heap
When rotating acquisition information, image collecting device manually can only be subjected to moving in rotation by people, since manual operation is mobile
It is big, unstable to there is shaking when image collecting device, therefore causes image acquisition device information there are error, causes to measure
Precision is low, and manually moves the low efficiency of rotation image collecting device, causes measurement efficiency low.
Summary of the invention
For in the prior art the technical issues of, the utility model provides a kind of device at image method measurement angle of repose,
Its object is to make measurement accuracy high, high degree of automation, measurement efficiency height.
In order to solve the above technical problems, the utility model is resolved by the following technical programs:
A kind of device at image method measurement angle of repose, including material tray seat, measurement chassis, rotating mechanism and position adjust dress
It sets, the material tray seat is arranged on the measurement chassis, and the rotating mechanism is arranged on the measurement chassis, the position tune
Regulating device is arranged on the rotating mechanism, and image acquisition device is provided on the apparatus for adjusting position, and the position adjusts dress
It sets the optical center level for adjusting image acquisition device and adjusts the high and low position of image acquisition device；
In use state, the apparatus for adjusting position is under the action of the rotating mechanism around in the material tray seat
Sample heap rotation.
Further, the apparatus for adjusting position includes the portal frame being fixed on the rotating mechanism, is articulated in
Screw rod on the portal frame and the sliding block being threaded on the screw rod, the both ends of the sliding block respectively with the portal frame
Corresponding inner sidewall connect, the substrate of a levelling is equipped with above the sliding block, water is set on the top surface of the substrate
Quasi- pipe, the substrate is for placing image acquisition device.
It further, further include the substrate leveling screw rod of three annular spreads, the substrate leveling screw rod and the sliding block
It is vertical to be threadedly coupled, and the upper end of substrate leveling screw rod is connected by bulb connector with the substrate.
Further, the rotating mechanism includes rotating gear ring, the driving gear engaged with the rotation gear ring and being used for
The first coding motor of the driving gear rotation is driven, the rotation gear ring is rotatably provided in the annular groove of gland, described
Gland is fixedly connected with the measurement chassis, and the apparatus for adjusting position is arranged on the rotation gear ring.
It further, further include backlight, the backlight is arranged on the rotation gear ring, and the backlight is located at
The rear portion of sample heap.
Further, distance meter is provided on the rotation gear ring, the distance meter is for measuring the material
The height of disk seat controls the high and low position of described image collector.
Further, the material tray seat includes charging tray and the equally distributed charging tray leveling screw rod of three annulars, the charging tray
Leveling screw rod is threadedly coupled vertically with the measurement chassis, and the upper end of the charging tray leveling screw rod passes through bulb connector and the material
Disk is connected.
Further, the annular extending edge that the outer ring of the charging tray is equipped with a thickness of 2mm, the distance meter are located at
The lower section of the extending edge.
Further, a spirit level is set on the top surface of the charging tray.
It further, further include that the elevating mechanism measured on chassis is set and is arranged on the elevating mechanism
The center line of feed leakage bucket, the feed leakage bucket is vertically arranged.
Compared with prior art, the utility model at least has the advantages that the utility model includes material tray seat, surveys
Chassis, rotating mechanism and apparatus for adjusting position are measured, by material tray seat setting on measurement chassis, by rotating mechanism setting at measurement bottom
On frame, apparatus for adjusting position is arranged on rotating mechanism, and be provided with image acquisition device on apparatus for adjusting position, passes through image
Collector acquires the image information of the sample heap in material tray seat, and the mirror of image acquisition device is controlled by adjusting position regulating device
Head central horizontal and the high and low position for adjusting image acquisition device.It can be seen that when image collecting device needs to rotate around sample heap
When acquiring information, rotating mechanism being capable of the at the uniform velocity smoothly sample heap rotation in material tray seat, and then drive apparatus for adjusting position
Around the sample heap rotation being located in material tray seat, so that image acquisition device at the uniform velocity can smoothly be rotated around sample heap, thus can have
Effect when avoiding as manual operation mobile image acquisition device because shake it is big, unstable due to caused by image acquisition device believe
There are problems that error when breath, so that measurement accuracy is high, high degree of automation, and improve measurement efficiency.
Further, apparatus for adjusting position includes the portal frame being fixed on rotating mechanism, is articulated on portal frame
Screw rod and the sliding block that is threaded on screw rod, inner sidewall corresponding with portal frame connects respectively at the both ends of sliding block,
It is equipped with the substrate of a levelling above sliding block, levelling tube is set on the top surface of substrate, and substrate is for placing image acquisition device, the tune
Regulating device is easy to operate, is easily installed, and whether levelling tube can intuitively to observe substrate horizontal, and then can guarantee that image is adopted
The levelness of storage.
Further, apparatus for adjusting position further include three annular spreads substrate leveling screw rod, substrate level screw rod with
Sliding block is threadedly coupled vertically, and the upper end of substrate leveling screw rod is connected by bulb connector with substrate, the base of three annular spreads
Plate leveling screw rod ensures the smoothness of substrate, and the upper end of substrate leveling screw rod is connected by bulb connector with substrate, convenient for peace
Dress and disassembly.
Further, rotating mechanism includes rotating gear ring, with the driving gear that engages of rotation gear ring and for described in driving
First coding motor of driving gear rotation, rotation gear ring are rotatably provided in the annular groove of gland, and gland and measurement chassis are solid
Fixed connection, apparatus for adjusting position setting is on rotation gear ring.It is even that rotating mechanism can be well realized by the first coding motor
Fast smoothly rotation, and then ensure the raising of measurement accuracy, the cooperation of gear ring gear is so that rotational structure is reliable and stable.
Further, it rotates on gear ring and is provided with distance meter, distance meter can fast and accurately measure charging tray
The height of seat, and then control the high and low position of image acquisition device.
Further, material tray seat includes charging tray and the equally distributed charging tray leveling screw rod of three annulars, and charging tray levels screw rod
It is threadedly coupled vertically with measurement chassis, the upper end of charging tray leveling screw rod is connected by bulb connector with charging tray, and such connection is closed
System is easily installed and dismantles, and leveling screw rod by rotation charging tray can avoid charging tray inclination from causing the horizontal leveling of charging tray progress
Material heap landslide influences the formation at angle of repose.
Further, a spirit level is set on the top surface of charging tray, material can be intuitively observed by spirit level
Whether disk adjusts level, and then ensures the regular shape of sample heap itself.
It further, further include that the elevating mechanism measured on chassis and the feed leakage bucket being arranged on elevating mechanism are set,
The center line of feed leakage bucket is vertically arranged, and installs sample additional in the delivery plate that can be convenient by feed leakage bucket.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the apparatus for adjusting position of the utility model.
Fig. 3 is the measurement method flow diagram of the utility model.
Fig. 4 is the material heap schematic shapes with more angles of repose of the utility model fitting.
In the figure, it is marked as 1- material tray seat, 11- charging tray, 111- extending edge, 12- charging tray leveling screw rod, 13- bubble are horizontal
Instrument, 2- measurement chassis, 3- backlight, 4- rotating mechanism, 41- rotation gear ring, 42- driving gear, 43- first encode motor, 5-
Image acquisition device, 6- apparatus for adjusting position, 61- portal frame, 62- screw rod, 63- second encode motor, 64- sliding block, 65- substrate,
66- substrate levels screw rod, 7- distance meter, 8- gland, 9- feed leakage bucket, 10- elevating mechanism.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to figs. 1 to Fig. 4, a kind of device at image method measurement angle of repose as shown in Figure 1, including material tray seat 1, measurement bottom
Frame 2, rotating mechanism 4 and apparatus for adjusting position 6, the setting of material tray seat 1 is on measurement chassis 2, and the setting of rotating mechanism 4 is in measurement chassis
On 2, apparatus for adjusting position 6 is arranged on rotating mechanism 4, and image acquisition device 5, Image Acquisition are provided on apparatus for adjusting position 6
Device 5 is used to adjust the optical center level of image acquisition device 5 and adjusts image for acquiring video data, apparatus for adjusting position 6
The high and low position of collector 5, and then the image for acquiring image acquisition device 5 is identical as actual material heap shape, makes measurement essence
Degree is high；In use state, apparatus for adjusting position 6 is under the action of rotating mechanism 4 around the sample heap rotation being located in material tray seat 1
Turn, calculates most general angle of repose so that each orientation to material heap carries out Image Acquisition, measurement is convenient, and surveying
Do not contacted with material heap during amount, true angle of repose be fitted according to image, eliminate ratio method due to particle by peak clipping and
The systematic error that effect of inertia generates.
The information of acquisition is sent to information extraction modules by image acquisition device 5, and information extraction modules are fixed to angle of repose is met
The frame of justice is extracted, and by gained frame import information processing module, message processing module is fitted to sample heap according to gained frame
Bus and bottom, stopped angular measurement using the completion of computer angle measurement tool.
As a certain preferred embodiment of the utility model, material tray seat 1 includes that charging tray 11 and three annulars are equally distributed
Charging tray levels screw rod 12, and charging tray levels screw rod 12 and is threadedly coupled vertically with measurement chassis 2, and the upper end of charging tray leveling screw rod 12 passes through
Bulb connector is connected with charging tray 11, and charging tray 11 is equipped with a spirit level 13, and spirit level 13, which is used to indicate charging tray 11, is
No to be in horizontality, using the above structure, horizontal leveling can be carried out to charging tray 11 by leveling screw rod 12 by rotation charging tray, be avoided
Charging tray 11 tilts the formation for causing material heap landslide to influence angle of repose, wherein the annular that the outer ring of charging tray 11 is equipped with a thickness of 2mm
Extending edge 111.
As shown in Figure 1, a certain preferred embodiment as the utility model, further includes a distance meter 7, range measurement
For instrument 7 for measuring 1 height of material tray seat to control the high and low position of image acquisition device 5, distance meter 7 is located at extending edge 111
Lower section, distance meter 7 measure extending edge 111 bottom surface to the distance of distance meter 7 after by measurement data input control
The upper surface of discharge port plate 11 can be obtained in the computing module of molding block to the distance of distance meter 7, controlled by control mechanism
Image acquisition device 5 is adjusted to corresponding height by apparatus for adjusting position 6 processed.
It further include backlight 3, the setting of backlight 3 is in rotation gear ring 41 as a certain preferred embodiment of the utility model
On, and backlight 3 is located at the rear portion of sample heap, convenient for extracting the key frame for meeting angle of repose and defining according to picture contrast.
It further include 10 He of elevating mechanism being arranged on measurement chassis 2 as a certain preferred embodiment of the utility model
Feed leakage bucket 9 on elevating mechanism 10 is set, and the center line of feed leakage bucket 9 is vertically arranged, and feed leakage bucket 9, which is gone up and down, can avoid backlight 3
It collides with the crossbeam for connecting feed leakage bucket 9, also avoids the too low cone for influencing material pair in 9 position of feed leakage bucket from being formed, wherein to rise
Descending mechanism 10 is for leading screw and nut mechanism or gear & rack structure or using electric pushrod etc..
As a certain preferred embodiment of the utility model, rotating mechanism 4 includes rotating gear ring 41, nibbling with rotation gear ring 41
The driving gear 42 of conjunction and for drive driving gear 42 rotate first coding motor 43, rotation gear ring 41 be rotatably provided in pressure
In the annular groove of lid 8, gland 8 is fixedly connected with measurement chassis 2, and apparatus for adjusting position 6, distance meter 7 are respectively positioned on rotary teeth
On circle 41.
As shown in Fig. 2, a certain preferred embodiment as the utility model, apparatus for adjusting position 6 includes being fixed at
Portal frame 61 on rotating mechanism 4, the screw rod 62 being articulated on portal frame 61, the sliding block 64 and three being threaded on screw rod 62
The substrate of root annular spread levels screw rod 66, and screw rod 62 is connected with the second coding motor 63 being fixed on portal frame 61,
Inner sidewall corresponding with portal frame 61 connects respectively at the both ends of sliding block 64, and a substrate 65, substrate are equipped with above sliding block 64
65 are equipped with setting levelling tube whether to indicate substrate 65 for horizontality, and substrate levels screw rod 66 and the vertical screw thread of sliding block 64
Connection, and the upper end of substrate leveling screw rod 66 is connected by bulb connector with substrate 65, leveling screw rod 66 by rotary plate can
Substrate 65 is leveled, image acquisition device 5 is arranged on substrate 65, makes the camera lens of image acquisition device 5 by leveling substrate 65
Central horizontal.
As shown in figure 3, a certain preferred embodiment as the utility model, measurement process are as follows: first to Image Acquisition
Device 5, charging tray 11 are leveled, and image acquisition device 5 is moved to pair by the data that then control device is measured using distance meter 7
Should highly, image acquisition device 5 is acquired image, and the image of acquisition is sent to information extraction modules by image acquisition device 5
It is extracted to the key frame that angle of repose defines is met, if information extraction success, by gained frame import information processing module
It is fitted to bus and the bottom of sample heap, if information extraction is unsuccessful, image acquisition device 5 is controlled and continues to acquire image, if
The bus and bottom for being fitted to sample heap meet the requirements, then are stopped using the completion of computer angle measurement tool and angular measurement and exported, if
It is undesirable, then bus and bottom that message processing module is fitted to sample heap again are controlled, entire measurement process automates journey
Degree is high, improves measurement efficiency.
Powder when encountering special circumstances as shown in Figure 4, i.e., for sticking powder or moisture absorption, it is also possible to shape
At the second angle of repose θ2, i.e. the angle on the particle inclined-plane and bottom surface that are flowing of avalanche, in this case, conventional method are real
The angle of repose of survey is the first angle of repose θ in this figure1, due to θ2Greater than θ1, thus the angle of repose of conventional method actual measurement is not this material
The practical angle of repose of material, and new measurement method only needs to be fitted straight line again in message processing module, is surveyed with angle measurement tool
, breach the forbidden zone of conventional method.
Bus and bottom of the utility model using picture fitting material heap, with the angle of repose processing side of image processing techniques
Method carries out detailed analysis to data, and image collecting device can be rotated around material heap, thus reduce conventional method due to artificial
The accidental error generated is operated, greatly improves measurement accuracy, and improve measurement efficiency.
The charging tray levelling of the utility model, the high and low position of image collecting device and angle are adjustable to make Image Acquisition
The optical center of device and the upper surface of material tray seat are located in same level, make the shape of the material heap of the image fitting of acquisition
It is identical as practical material heap shape, make measurement accuracy height.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of device at image method measurement angle of repose, it is characterised in that: including material tray seat (1), measurement chassis (2), whirler
Structure (4) and apparatus for adjusting position (6), the material tray seat (1) are arranged on the measurement chassis (2), and the rotating mechanism (4) sets
It sets on the measurement chassis (2), the apparatus for adjusting position (6) is arranged on the rotating mechanism (4), and the position is adjusted
It is provided on device (6) image acquisition device (5), the apparatus for adjusting position (6) is used to adjust in the camera lens of image acquisition device (5)
The gentle high and low position for adjusting image acquisition device (5) of edema with the heart involved；
In use state, the apparatus for adjusting position (6) is under the action of the rotating mechanism (4) around positioned at the material tray seat
(1) the sample heap rotation on.
2. a kind of device at image method measurement angle of repose according to claim 1, it is characterised in that: the position adjusts dress
Setting (6) includes the portal frame (61) being fixed on the rotating mechanism (4), the screw rod being articulated on the portal frame (61)
(62) and the sliding block (64) that is threaded on the screw rod (62), the both ends of the sliding block (64) respectively with the portal frame
(61) corresponding inner sidewall connects, and the substrate (65) of a levelling, the substrate are equipped with above the sliding block (64)
(65) levelling tube is set on top surface, and the substrate (65) is for placing image acquisition device (5).
3. a kind of device at image method measurement angle of repose according to claim 2, it is characterised in that: further include three annulars
The substrate of distribution levels screw rod (66), and substrate leveling screw rod (66) is threadedly coupled vertically with the sliding block (64), and described
The upper end of substrate leveling screw rod (66) is connected by bulb connector with the substrate (65).
4. a kind of device at image method measurement angle of repose according to claim 1, it is characterised in that: the rotating mechanism
(4) including rotation gear ring (41), the driving gear (42) engaged with rotation gear ring (41) and for driving the driving tooth
First coding motor (43) of (42) rotation is taken turns, the rotation gear ring (41) is rotatably provided in the annular groove of gland (8), described
Gland (8) is fixedly connected with the measurement chassis (2), and the apparatus for adjusting position (6) is arranged on the rotation gear ring (41).
5. a kind of device at image method measurement angle of repose according to claim 4, it is characterised in that: further include backlight
(3), the backlight (3) is arranged on the rotation gear ring (41), and the backlight (3) is located at the rear portion of sample heap.
6. a kind of device at image method measurement angle of repose according to claim 4, it is characterised in that: the rotation gear ring
(41) it is provided on distance meter (7), the distance meter (7) is used to measure the height of the material tray seat (1) to control
The high and low position of described image collector (5).
7. a kind of device at image method measurement angle of repose according to claim 6, it is characterised in that: the material tray seat (1)
Including charging tray (11) and equally distributed charging tray leveling screw rod (12) of three annulars, charging tray leveling screw rod (12) and the survey
It measures chassis (2) to be threadedly coupled vertically, the upper end of charging tray leveling screw rod (12) passes through bulb connector and the charging tray (11) phase
Even.
8. a kind of device at image method measurement angle of repose according to claim 7, it is characterised in that: the charging tray (11)
The annular extending edge (111) that outer ring is equipped with a thickness of 2mm, the distance meter (7) are located at the extending edge (111)
Lower section.
9. a kind of device at image method measurement angle of repose according to claim 7, it is characterised in that: the charging tray (11)
One spirit level (13) are set on top surface.
10. a kind of device at image method measurement angle of repose according to claim 1, it is characterised in that: further include that setting exists
The feed leakage bucket (9) of elevating mechanism (10) and setting on the elevating mechanism (10) on measurement chassis (2), the material leakage
The center line of bucket (9) is vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343415.7U CN209656503U (en) | 2019-03-18 | 2019-03-18 | A kind of device at image method measurement angle of repose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343415.7U CN209656503U (en) | 2019-03-18 | 2019-03-18 | A kind of device at image method measurement angle of repose |
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| Publication Number | Publication Date |
|---|---|
| CN209656503U true CN209656503U (en) | 2019-11-19 |
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ID=68527340
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920343415.7U Expired - Fee Related CN209656503U (en) | 2019-03-18 | 2019-03-18 | A kind of device at image method measurement angle of repose |
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| Country | Link |
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| CN (1) | CN209656503U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735931A (en) * | 2020-05-28 | 2020-10-02 | 北京市政建设集团有限责任公司 | Experimental device and method for stability of tunnel face with different water content fine sand structures |
| CN111965072A (en) * | 2020-07-28 | 2020-11-20 | 济南裕兴化工有限责任公司 | Method for evaluating titanium dioxide powder cohesion |
-
2019
- 2019-03-18 CN CN201920343415.7U patent/CN209656503U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735931A (en) * | 2020-05-28 | 2020-10-02 | 北京市政建设集团有限责任公司 | Experimental device and method for stability of tunnel face with different water content fine sand structures |
| CN111965072A (en) * | 2020-07-28 | 2020-11-20 | 济南裕兴化工有限责任公司 | Method for evaluating titanium dioxide powder cohesion |
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| GR01 | Patent grant | ||
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Granted publication date: 20191119 Termination date: 20200318 |