CN210253169U - Detection device for detecting thread structure of anchorage device - Google Patents
Detection device for detecting thread structure of anchorage device Download PDFInfo
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- CN210253169U CN210253169U CN201921079927.3U CN201921079927U CN210253169U CN 210253169 U CN210253169 U CN 210253169U CN 201921079927 U CN201921079927 U CN 201921079927U CN 210253169 U CN210253169 U CN 210253169U
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Abstract
The utility model discloses a detection apparatus for be used for detecting helicitic texture of ground tackle, include: the detection body is provided with a positioning part for positioning the anchorage device; the image acquisition assembly comprises a first image acquisition element and a second image acquisition element, wherein the first image acquisition element is arranged on one side of the detection body, the second image acquisition element is arranged on the other side of the detection body, the first image acquisition element and the second image acquisition element are both arranged towards the positioning part and are inclined relative to the horizontal plane, the first image acquisition element is used for acquiring a first thread contour line on one side of the anchorage device, and the second image acquisition element is used for acquiring a second thread contour line on the other side of the anchorage device; and the controller is electrically connected with the first image acquisition element and the second image acquisition element. A detection device for detecting the helicitic texture of ground tackle, what can be high-efficient and accurate detects the helicitic texture of ground tackle, guarantees the quality of product.
Description
Technical Field
The utility model relates to a screw thread detects technical field, concretely relates to a detection device for detecting the helicitic texture of ground tackle.
Background
The anchorage device of the cable-stayed bridge is provided with an installation cavity with internal threads, and the two anchorage devices are matched to form a locking part for locking the zipper. In order to ensure the stable connection and fixation of the zipper, the requirement on the precision of the thread structure of the anchor is high. In the process of machining the thread structure of the anchorage, the machined thread is easily affected by factors such as abrasion of machining tools, interference of residues and scraps, unstable manual operation and the like, and has substantial defects of flat teeth, decayed teeth, no teeth, missing teeth and the like. If the thread structure of the anchorage has defects, economic property loss and even personal safety threat can be caused after the anchorage is used on a bridge. Therefore, the quality of the thread structure on the anchor needs to be strictly checked to eliminate defective products. The traditional detection mode adopts artificial naked eyes for detection, the detection efficiency is low, and accurate detection cannot be achieved.
SUMMERY OF THE UTILITY MODEL
Based on this, provided a detection device for detecting the helicitic texture of ground tackle, what can be high-efficient and accurate detects the helicitic texture of ground tackle, guarantees the quality of product.
The technical scheme is as follows:
in one aspect, there is provided a detection apparatus for detecting a thread form of an anchor, comprising: the detection body is provided with a positioning part for positioning the anchorage device; the image acquisition assembly comprises a first image acquisition element and a second image acquisition element, the first image acquisition element is arranged on one side of the detection body, the second image acquisition element is arranged on the other side of the detection body, the first image acquisition element and the second image acquisition element are both arranged towards the positioning part and are inclined relative to the horizontal plane, the first image acquisition element is used for acquiring a first thread contour line on one side of the anchorage device, and the second image acquisition element is used for acquiring a second thread contour line on the other side of the anchorage device; and the controller is electrically connected with the first image acquisition element and the second image acquisition element.
According to the detection device for detecting the thread structure of the anchor, the anchor is stably positioned and fixed by the positioning part, so that the anchor is prevented from sliding in the detection process, and the detection stability is ensured; in the detection process, a first image acquisition element is used for acquiring a first thread contour line on one side of the anchorage device and sending acquired information to a controller, and a second image acquisition element is used for acquiring a second thread contour line on the other side of the anchorage device and sending the acquired information to the controller, so that the contour line of the thread structure of the anchorage device can be completely acquired; the collected contour line information is analyzed through the controller, so that corresponding parameter values of the thread, such as an R value (inscribed circle diameter), can be accurately calculated, and then the calculated parameter values are compared with standard values, whether the thread has defects can be accurately and efficiently judged, or the collected contour line information can be compared with a standard contour line, and whether the thread has defects can be accurately and efficiently judged.
The technical solution is further explained below:
in one embodiment, the detection device for detecting the thread structure of the anchor further comprises an exposure element for exposing the thread contour line of the anchor, and the exposure element is arranged opposite to the positioning part at a distance. Therefore, the profile information can be accurately collected conveniently.
In one embodiment, the first image acquisition element acquires at least two first thread contour lines on one side of the anchor; and/or the second image acquisition element acquires at least two second thread contour lines on the other side of the anchor. Thus, inaccurate measurement caused by accidental errors is avoided as much as possible.
In one embodiment, the positioning part is arranged to match with the outer contour of the anchor and is provided with an open positioning cavity, and the detection device for detecting the thread structure of the anchor further comprises an auxiliary positioning assembly which is arranged towards the open and is used for applying a positioning force to the anchor. Therefore, the anchorage device is more stably fixed in the positioning cavity, and the detection reliability is ensured.
In one embodiment, the auxiliary positioning assembly comprises a first overturning part arranged on one side of the detection body and a second overturning part arranged on the other side of the detection body; when the first overturning part and the second overturning part rotate to the first position, the first overturning part presses one side of the anchorage device, and the second overturning part presses the other side of the anchorage device; when the first and second turnover members are both rotated to a second position, the first turnover member is separated from one side of the anchor, and the second turnover member is separated from the other side of the anchor.
In one embodiment, the detection device for detecting the thread structure of the anchor further comprises a rotating mechanism, wherein the rotating mechanism is in transmission connection with the detection body and is used for driving the anchor to rotate relative to the first image acquisition element and the second image acquisition element. Therefore, the profile information can be collected in multiple directions and multiple angles.
In one embodiment, the detection device for detecting the thread structure of the anchor device further comprises a screening mechanism and a conveying mechanism for connecting the screening mechanism and the positioning portion, wherein a feed port of the conveying mechanism is communicated with a discharge port of the screening mechanism, and a discharge port of the conveying mechanism is communicated with a feed port of the positioning portion. So, can put a plurality of ground tackle simultaneously and detect in proper order, detection efficiency is high.
In one embodiment, the detection device for detecting the thread structure of the anchor further comprises a sorting mechanism for sorting the anchors on the positioning portion. Therefore, defective products and qualified products can be accurately distinguished.
In one embodiment, the sorting mechanism includes a picking member capable of reciprocating between the positioning portion, the first sorting lane and the second sorting lane, a first sorting lane for leading out a qualified product, and a second sorting lane for leading out a defective product.
In one embodiment, the detection device for detecting the thread structure of the anchor device further comprises a detection platform and a driving mechanism for driving the detection platform to move along a preset direction, the detection body is arranged on the detection platform, and the driving mechanism can drive the detection platform to move to enable the positioning portion to reach a preset position.
Drawings
FIG. 1 is a schematic structural view of a detection device for detecting a thread structure of an anchor according to one embodiment;
FIG. 2 is an enlarged view of a portion of the inspection device A of FIG. 1 for inspecting the thread configuration of an anchor;
FIG. 3 is a thread profile captured by an image capture assembly for detecting a thread configuration of an anchor according to one embodiment.
Description of reference numerals:
100. the detection device comprises a detection body, a 110, a positioning part, 1111, a positioning cavity, 200, an image acquisition assembly, 210, a first image acquisition element, 220, a second image acquisition element, 300, an exposure element, 400, an auxiliary positioning assembly, 410, a first overturning piece, 420, a second overturning piece, 500, a rotating mechanism, 600, a detection platform, 700, a driving mechanism, 1000, an anchorage device, 1100, a first thread contour line, 1200 and a second thread contour line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first", "second", "third", and the like do not denote any particular quantity or order, but rather are used to distinguish one name from another.
As shown in fig. 1 and 3, in one embodiment, disclosed is a detection apparatus for detecting a thread structure of an anchor 1000, including: a detection body 100, wherein the detection body 100 is provided with a positioning part 110 for positioning the anchorage device 1000; the image acquisition assembly 200 comprises a first image acquisition element 210 arranged on one side of the detection body 100 and a second image acquisition element 220 arranged on the other side of the detection body 100, wherein the first image acquisition element 210 and the second image acquisition element 220 are both arranged towards the positioning part 110 and are inclined relative to the horizontal plane, the first image acquisition element 210 is used for acquiring a first thread contour line on one side of the anchorage device 1000, and the second image acquisition element 220 is used for acquiring a second thread contour line on the other side of the anchorage device 1000; and a controller (not shown) electrically connected to the first image capturing element 210 and the second image capturing element 220.
The detection device for detecting the thread structure of the anchor 1000 according to the embodiment uses the positioning part 110 to stably position and fix the anchor 1000, thereby preventing the anchor 1000 from slipping in the detection process and ensuring the detection stability; in the detection process, a first thread contour line 1100 at one side of the anchor 1000 is collected by using the first image collecting element 210 and the collected information is sent to the controller, and a second thread contour line 1200 at the other side of the anchor 1000 is collected by using the second image collecting element 220 and the collected information is sent to the controller, so that the contour line of the thread structure of the anchor 1000 can be completely collected; the collected contour line information is analyzed through the controller, so that corresponding parameter values of the thread, such as an R value (inscribed circle diameter), can be accurately calculated, and then the calculated parameter values are compared with standard values, whether the thread has defects can be accurately and efficiently judged, or the collected contour line information can be compared with a standard contour line, and whether the thread has defects can be accurately and efficiently judged.
It should be noted that the positioning function of the positioning portion 110 on the anchor 1000 can be realized by clamping, magnetic attraction, or other methods capable of positioning and fixing the anchor 1000. The first image capturing element 210 and the second image capturing element 220 may be a CCD (charge coupled device) camera or other elements capable of capturing a thread contour of the anchor 1000; the preferable high-resolution camera can clearly collect the thread contour line and ensure the accuracy of the detection sample. Because the thread structure of the anchorage device 1000 is in the form of internal threads, and the anchorage device 1000 is semicircular, the first image acquisition element 210 and the second image acquisition element 220 are both obliquely arranged relative to the horizontal plane, and preferably the first image acquisition element 210 and the second image acquisition element 220 are symmetrically arranged relative to the anchorage device 1000, so that under the matching action of the first image acquisition element 210 and the second image acquisition element 220, the contour line of the internal thread structure of the anchorage device 1000 can be comprehensively and accurately acquired, compared with the traditional contact detection in the vertical direction, the contour line information of a plurality of positions can be simultaneously acquired, the detection efficiency is improved, and the detection speed of 3 seconds/piece can be realized; the inclination angles of the first image capturing element 210 and the second image capturing element 220 with respect to the horizontal plane may be 30-45 degrees, preferably 40 degrees, which can reduce the interference of mechanical repetitive precision, and has small error and high accuracy of the captured contour line information. The Controller may be a single chip, a PLC (Programmable Logic Controller), or other devices with control and data processing functions. The controller can be arranged at the side of the detection device and can also be remotely controlled. The detection device is particularly suitable for the anchorage device of the stay cable, the anchorage device of the stay cable is provided with the internal thread, the zipper can be locked by relatively splicing the two anchorage devices, and the detection device can efficiently and accurately detect the internal thread structure of the anchorage device of the stay cable. Of course, the detection device can also detect other thread structures, and only needs to satisfy the requirement that the first image capturing element 210 and the second image capturing element 220 can capture corresponding thread contour lines.
As shown in FIG. 1, in one embodiment, the detection apparatus for detecting the thread structure of anchor 1000 further comprises an exposure element 300 for exposing the thread contour of anchor 1000, exposure element 300 being spaced opposite to positioning portion 110. Thus, the exposure element 300 is used for emitting a corresponding light source to the thread structure of the anchorage device 1000 on the positioning part 110, so that thread contour lines acquired by the first image acquisition element 210 and the second image acquisition element 220 are clearer, a subsequent controller is convenient to calculate corresponding data or compare acquired contour line information with a standard image, and whether the thread has defects or not can be accurately judged. The exposure component 300 may be a laser emitter or other component capable of emitting a line or surface light source onto the threads of the anchor 1000, facilitating the collection of profile information by the image capture component. Exposure device 300 is preferably disposed directly above positioning portion 110 to ensure that anchor 1000 is uniformly irradiated.
As shown in FIG. 3, in one embodiment, first image capture element 210 captures at least two first thread contours 1100 on one side of anchor 1000. Thus, at least two first thread contour lines 1100 are collected on one side of the anchor device 1000, so that collected sample information is sufficiently perfect, and the risk of accidental errors affecting test results is reduced. Wherein the first thread profile 1100 extends axially along anchor 1000.
As shown in FIG. 3, in one embodiment, second image capture element 220 captures at least two second thread contours 1200 on the other side of anchor 1000. Thus, at least two second thread contour lines 1200 are collected on the other side of the anchor 1000, so that the collected sample information is sufficiently perfect, and the risk of the influence of accidental errors on the test result is reduced. Wherein second thread profile 1200 extends axially along anchor 1000.
As shown in FIG. 3, in one embodiment, first image capture element 210 captures at least two first thread contours 1100 on one side of anchor 1000; second image capture element 220 captures at least two second thread contours 1200 on the other side of anchor 1000. Thus, the complete thread contour line of the anchorage device 1000 can be collected as much as possible, so that the collected sample information is complete enough, and the risk of the accidental error influencing the test result is reduced.
As shown in FIG. 2, based on any of the above embodiments, the positioning part 110 is configured to match the outer contour of the anchor 1000 and is provided with an open positioning cavity 1111, and the detection device for detecting the thread structure of the anchor 1000 further comprises an auxiliary positioning assembly 400, wherein the auxiliary positioning assembly 400 is disposed toward the open for applying a positioning force to the anchor 1000. So, place ground tackle 1000 in location chamber 1111 and carry out preliminary location after, recycle auxiliary positioning assembly 400 and exert suitable butt power to ground tackle 1000 for ground tackle 1000 can be stable set firmly in location chamber 1111, guarantee that ground tackle 1000 can not take place skew easily or slide in the testing process, guarantee the reliability of testing result. Utilize auxiliary positioning subassembly 400 to further fix a position ground tackle 1000, can realize through the mode of pressfitting, for example utilize the clamp plate to carry out the pressfitting location to ground tackle 1000, also can realize through the mode of magnetism, for example set up magnetism in the inner wall of location chamber 1111 and inhale piece in order to adsorb ground tackle 1000, only need satisfy can with the stable setting firmly of ground tackle 1000 in location chamber 1111 can.
As shown in fig. 2, in one embodiment, the auxiliary positioning assembly 400 includes a first flipping unit 410 disposed on one side of the detection body 100, and a second flipping unit 420 disposed on the other side of the detection body 100; wherein, when the first and second flip-over pieces 410 and 420 are both rotated to the first position, the first flip-over piece 410 presses on one side of the anchor 1000, and the second flip-over piece 420 presses on the other side of the anchor 1000; when the first and second flipping parts 410 and 420 are rotated to the second position, the first flipping part 410 is separated from one side of the anchorage device 1000, and the second flipping part 420 is separated from the other side of the anchorage device 1000. Thus, the first and second flip-over members 410 and 420 are turned over to contact the sidewalls of the anchor 1000, i.e. when the first and second flip-over members 410 and 420 are turned to the first position, the first and second flip-over members 410 and 420 are pressed against the two sides of the anchor 1000, respectively, so that the anchor 1000 is stably fixed in the positioning cavity 1111. When the first and second flippers 410, 420 are flipped to a position separated from the sidewalls of the anchor 1000 by a suitable distance, i.e., when the first and second flippers 410, 420 are rotated to the second position, the press-fitting of the anchor 1000 is released, such that the anchor 1000 can be smoothly placed into the positioning cavity 1111 or removed from the positioning cavity 1111. The first and second flip members 410 and 420 may be press plates driven by a rotation shaft, and the press plates of the first and second flip members 410 and 420 may have a profile matching the outer profile of the anchor 1000 at the first position, so that only a pressing force required to be applied to the anchor 1000 may be required.
As shown in fig. 1, on the basis of any of the above embodiments, the detection apparatus for detecting the thread structure of the anchor 1000 further includes a rotating mechanism 500, wherein the rotating mechanism 500 is in transmission connection with the detection body 100 and is used for driving the anchor 1000 to rotate relative to the first image capturing element 210 and the second image capturing element 220. So, utilize slewing mechanism 500 to drive detection body 100 and rotate, and then make the relative first image acquisition component 210 of ground tackle 1000 on location portion 110 and second image acquisition component 220 rotate to can adjust the contour line acquisition position of first image acquisition component 210 and second image acquisition component 220, and then can be as complete as possible, accurate collection ground tackle 1000's contour line information, guarantee the accuracy and the reliability of testing result. For example, anchor 1000 may be rotated between-90 and +90 with respect to first image capturing element 210 and second image capturing element 220, and contour line information of anchor 1000 may be collected from a plurality of angles and a plurality of orientations. Compare traditional rectilinear contact detection, the contour line information of gathering is more comprehensive, and the result is more accurate. The rotation mechanism 500 is in transmission connection with the detection body 100, and can be realized in a hinged manner; rotation mechanism 500 may be a rotary motor, a rotary hydraulic cylinder, or other mechanism capable of rotating anchor 1000 about the axis of anchor 1000 itself.
On the basis of any of the above embodiments, the detection apparatus for detecting the thread structure of the anchor 1000 further includes a screening mechanism (not shown) and a conveying mechanism (not shown) connecting the screening mechanism and the positioning portion 110, a feed port of the conveying mechanism is communicated with a discharge port of the screening mechanism, and a discharge port of the conveying mechanism is communicated with a feed port of the positioning portion 110. So, utilize screening mechanism to sieve anchor 1000 to can sieve the back and detect a plurality of anchor 1000 in succession, recycle conveying mechanism carries anchor 1000 after will sieving in proper order to location portion 110 and detects, improved detection efficiency. The screening mechanism can be a vibrating screening plate or other mechanisms capable of screening parts; the conveying mechanism may be a conveyor belt, a conveyor chain or other mechanism capable of conveying the anchors 1000 to a predetermined position.
On the basis of any of the above embodiments, the detecting device for detecting the thread structure of the anchor 1000 further comprises a sorting mechanism (not shown) for sorting the anchor 1000 on the positioning portion 110. So, utilize letter sorting mechanism to sort the ground tackle 1000 after detecting the completion, part qualified product and defect product. The sorting mechanism can sort through the grabbing mode and also can sort through the sucking mode, and only the detected defective products and the qualified products need to be separated.
In one embodiment, the sorting mechanism includes a picking member (not shown) that is capable of reciprocating between the positioning portion 110, the first sorting lane and the second sorting lane, a first sorting lane (not shown) for deriving acceptable products, and a second sorting lane (not shown) for deriving defective products. Thus, after the detection is completed, the picking member is moved to the upper side of the positioning portion 110 or the positioning portion 110 is moved to the lower side of the picking member, the anchor 1000 is taken out from the positioning portion 110 by using the picking member, the detected defective anchor 1000 is placed into the second sorting channel and then conveyed to the second preset position, the detected qualified anchor 1000 is placed into the first sorting channel and then conveyed to the first preset position, and therefore the separation of the defective products and the qualified products is completed. The picking member may be a mechanical gripper or a vacuum suction nozzle, and only the anchor 1000 may be removed and lowered. First letter sorting way and second letter sorting way can be chute or guide slot, only need can be carried different positions with different products to can.
As shown in fig. 1, in one embodiment, the detection apparatus for detecting the thread structure of the anchor 1000 further includes a detection platform 600 and a driving mechanism 700 for driving the detection platform 600 to move along a predetermined direction, the detection body 100 is disposed on the detection platform 600, and the driving mechanism 700 can drive the detection platform 600 to move to enable the positioning portion 110 to reach a predetermined position. So, when actuating mechanism 700 drove testing platform 600 and moves along predetermineeing the direction, can drive and detect body 100 and move along predetermineeing the direction, and then make the ground tackle 1000 on location portion 110 can move along predetermineeing the direction to make ground tackle 1000 reach and predetermine the position, even make ground tackle 1000 reach the position that can be picked up by the piece of picking up, be convenient for follow-up part defective products and qualified product separately. The driving mechanism 700 may be a hydraulic cylinder or a pneumatic cylinder with a telescopic rod, or may be a form in which a gear and a rack are mutually matched, and it is only necessary to satisfy the requirement that the detection platform 600 can move along a preset direction.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples represent only a few embodiments of the present invention, which are described in detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A testing apparatus for testing the thread configuration of an anchor, comprising:
the detection body is provided with a positioning part for positioning the anchorage device;
the image acquisition assembly comprises a first image acquisition element and a second image acquisition element, the first image acquisition element is arranged on one side of the detection body, the second image acquisition element is arranged on the other side of the detection body, the first image acquisition element and the second image acquisition element are both arranged towards the positioning part and are inclined relative to the horizontal plane, the first image acquisition element is used for acquiring a first thread contour line on one side of the anchorage device, and the second image acquisition element is used for acquiring a second thread contour line on the other side of the anchorage device; and
and the controller is electrically connected with the first image acquisition element and the second image acquisition element.
2. The apparatus of claim 1, further comprising an exposure component for exposing a thread profile of the anchor, the exposure component being spaced from the positioning portion.
3. The apparatus of claim 1, wherein the first image capturing element captures at least two of the first thread profiles on one side of the anchor; and/or the second image acquisition element acquires at least two second thread contour lines on the other side of the anchor.
4. The apparatus of claim 1, wherein the positioning portion is configured to match an outer profile of the anchor and is provided with an open positioning cavity, and further comprising an auxiliary positioning assembly disposed toward the opening for applying a positioning force to the anchor.
5. The apparatus of claim 4, wherein the auxiliary positioning assembly includes a first turnover member disposed at one side of the detection body, and a second turnover member disposed at the other side of the detection body;
when the first overturning part and the second overturning part rotate to the first position, the first overturning part presses one side of the anchorage device, and the second overturning part presses the other side of the anchorage device;
when the first and second turnover members are both rotated to a second position, the first turnover member is separated from one side of the anchor, and the second turnover member is separated from the other side of the anchor.
6. The device of claim 1, further comprising a rotation mechanism, wherein the rotation mechanism is in transmission connection with the detection body and is configured to rotate the anchor relative to the first image capturing element and the second image capturing element.
7. The device of any one of claims 1 to 6, further comprising a screening mechanism and a conveying mechanism connecting the screening mechanism and the positioning portion, wherein a feed inlet of the conveying mechanism is communicated with a discharge outlet of the screening mechanism, and a discharge outlet of the conveying mechanism is communicated with a feed inlet of the positioning portion.
8. A test device for testing the thread configuration of an anchor according to any one of claims 1 to 6, further comprising a sorting mechanism for sorting anchors on the locating portion.
9. The inspection device of claim 8, wherein the picking mechanism includes a picking member, a first sorting lane for leading out a qualified product, and a second sorting lane for leading out a defective product, the picking member being reciprocally movable between the positioning portion, the first sorting lane, and the second sorting lane.
10. The apparatus of claim 9, further comprising a testing platform and a driving mechanism for driving the testing platform to move along a predetermined direction, wherein the testing body is disposed on the testing platform, and the driving mechanism is capable of driving the testing platform to move to a predetermined position.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110201907A (en) * | 2019-07-10 | 2019-09-06 | 广东嘉铭智能科技有限公司 | For detecting the detection device of the helicitic texture of anchorage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110201907A (en) * | 2019-07-10 | 2019-09-06 | 广东嘉铭智能科技有限公司 | For detecting the detection device of the helicitic texture of anchorage |
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