CN214066068U

CN214066068U - Machine vision range unit

Info

Publication number: CN214066068U
Application number: CN202120373773.XU
Authority: CN
Inventors: 陈智丽; 李宇鹏
Original assignee: Shenyang Jianzhu University
Current assignee: Shenyang Jianzhu University
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-08-27
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses a machine vision range unit, concretely relates to vision range finding technical field, including the camera body, one side fixedly connected with fixed plate of camera body, the top of camera body is equipped with the range unit body, one side of range unit body is equipped with first fixed block, first fixed block has been close to one side of fixed plate and has been seted up the draw-in groove, be equipped with the fixture block in the draw-in groove, fixture block and fixed plate fixed connection, first thread groove has all been seted up to the both sides inner wall of draw-in groove, be equipped with the threaded rod in the first thread groove, the one end of threaded rod extends to the outside of first thread groove. The utility model discloses can drive the relative second fixed block of range unit body and remove, when one side of baffle and the one end of camera body contacted, the one end of range unit body was aligned with the one end of camera body, and then improved the accuracy of test result.

Description

Machine vision range unit

Technical Field

The utility model relates to a vision range finding technical field, more specifically says, the utility model relates to a machine vision range unit.

Background

In recent years, machine vision technology has been rapidly developed and widely used in various fields. The vision measurement applies machine vision to accurate measurement and positioning of space geometric dimensions, and plays a key role in target detection, tracking and the like. In the vision measurement application, if the robot detects the operation, the target distance measurement is needed, and generally two methods can be adopted to perform the target object distance measurement of the image: one is that a laser distance measuring device is arranged on a machine for distance measurement, laser emitted by a distance measuring instrument is reflected by a target object and then received by the distance measuring instrument, and the distance measuring instrument simultaneously records the round-trip time of the laser, so that the distance is calculated; the other method is to calculate the depth information of the target in the two-dimensional digital image through machine vision and then calculate the distance of the target object according to the pixel information of the image and the imaging principle of a camera.

In the prior art, the distance measuring device is difficult to align with the camera, so that the measuring result is easy to be inaccurate, the positioning and measuring precision of the target object are influenced, and errors exist in later-stage image quantitative analysis. If the underwater robot detects the diseases such as cracks on the bridge pier stud under water, if the distance between the diseases and the camera cannot be accurately measured, the actual size of the diseases cannot be accurately calculated when the diseases in the image are quantitatively analyzed in the later period, the precision of visual measurement is greatly reduced, and the quality of visual detection is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: a machine vision distance measuring device comprises a camera body, wherein a fixed plate is fixedly connected to one side of the camera body, a distance measuring instrument is arranged above the camera body, a first fixed block is arranged on one side of the distance measuring instrument, a clamping groove is formed in one side, close to the fixed plate, of the first fixed block, a clamping block is arranged in the clamping groove, the clamping block is fixedly connected with the fixed plate, first thread grooves are formed in the inner walls of the two sides of the clamping groove, a threaded rod is arranged in each first thread groove, one end of the threaded rod extends to the outer portion of each first thread groove, first supporting plates are arranged above and below the first fixed block, one side of each first supporting plate is fixedly connected with the fixed plate, the first fixed block and the distance measuring instrument are connected through an adjusting assembly, the adjusting assembly comprises a second fixed block arranged on one side of the first fixed block, the second fixed block is fixedly connected with the first, the bottom fixedly connected with second backup pad of second fixed block, one side of second backup pad is equipped with the fly leaf, the fly leaf runs through the second backup pad, the distancer passes through the spliced pole with the fly leaf and is connected, the bottom fixedly connected with baffle of fly leaf, one side of baffle contacts with the one end of camera body, second fixed block and distancer pass through drive assembly and connect.

In a preferred embodiment, the driving assembly includes a second thread groove opened at one side of the second fixed block, a screw rod is arranged in the second thread groove, one end of the screw rod extends to the outside of the second thread groove, and one end of the screw rod is connected with the distance measuring instrument through a bearing.

In a preferred embodiment, a first handle is fixedly connected to the screw rod, and the first handle is located between the bearing and the second fixed block.

In a preferred embodiment, a nut is sleeved on the outer portion of the screw rod, and one side of the nut is in contact with one side of the second fixing block.

In a preferred embodiment, a limiting plate is fixedly connected to one side of the movable plate.

In a preferred embodiment, a mounting seat is fixedly connected to the fixing plate.

In a preferred embodiment, a second handle is fixedly connected to the threaded rod.

In a preferred embodiment, a non-slip pad is fixedly connected to one end of the threaded rod close to the first support plate, and the non-slip pad is in contact with the first support plate.

The utility model discloses a technological effect and advantage:

1. the distance measuring instrument can be driven to move relative to the second fixed block through the second fixed block, the second supporting plate, the movable plate, the baffle, the connecting column and the driving assembly, when one side of the baffle is in contact with one end of the camera body, one end of the distance measuring instrument is aligned with one end of the camera body, so that the accuracy of a test result is improved, and the movable plate is prevented from being separated from the second supporting plate through the arranged limiting plate;

2. through the first fixed block, draw-in groove, fixture block, first thread groove, threaded rod and the first backup pad that set up, be convenient for fix the distancer on the fixed plate to and be convenient for the split between first fixed block and the fixed plate, operating procedure is simple convenient, makes things convenient for in-service use, and through the second handle that sets up, the drive threaded rod of being convenient for rotates, through the slipmat that sets up, reduces the non-human factor pivoted possibility of threaded rod.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a second fixing block structure according to the present invention.

Fig. 3 is a partially enlarged structural diagram of a portion a in fig. 2.

Fig. 4 is a schematic view of the movable plate structure of the present invention.

The reference signs are: 1. a camera body; 2. a fixing plate; 3. a range finder; 4. a first fixed block; 5. a card slot; 6. a clamping block; 7. a first thread groove; 8. a threaded rod; 9. a first support plate; 10. a second fixed block; 11. a second support plate; 12. a movable plate; 13. a baffle plate; 14. a second thread groove; 15. a screw rod; 16. a bearing; 17. a nut; 18. a first handle; 19. a limiting plate; 20. a second handle; 21. a non-slip mat; 22. a mounting seat; 23. connecting columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The machine vision distance measuring device shown in the attached figures 1-4 comprises a camera body 1, wherein a fixing plate 2 is fixedly connected to one side of the camera body 1, a distance measuring instrument 3 is arranged above the camera body 1, a first fixing block 4 is arranged on one side of the distance measuring instrument 3, a clamping groove 5 is formed in one side, close to the fixing plate 2, of the first fixing block 4, a clamping block 6 is arranged in the clamping groove 5, the clamping block 6 is fixedly connected with the fixing plate 2, first thread grooves 7 are formed in inner walls of two sides of the clamping groove 5, a threaded rod 8 is arranged in each first thread groove 7, one end of each threaded rod 8 extends to the outer portion of each first thread groove 7, first supporting plates 9 are arranged above and below the first fixing block 4, one side of each first supporting plate 9 is fixedly connected with the fixing plate 2, and the first fixing block 4 is connected with the distance measuring instrument 3 through an adjusting assembly;

the adjusting part comprises a second fixed block 10 arranged on one side of the first fixed block 4, the second fixed block 10 is fixedly connected with the first fixed block 4, the bottom fixedly connected with a second supporting plate 11 of the second fixed block 10, one side of the second supporting plate 11 is provided with a movable plate 12, the movable plate 12 penetrates through the second supporting plate 11, the distance measuring instrument 3 is connected with the movable plate 12 through a connecting column 23, the bottom fixedly connected with a baffle 13 of the movable plate 12 is in contact with one end of the camera body 1, and the second fixed block 10 is connected with the distance measuring instrument 3 through a driving component.

As shown in fig. 2, the driving assembly includes a second thread groove 14 formed at one side of the second fixing block 10, a screw rod 15 is disposed in the second thread groove 14, one end of the screw rod 15 extends to the outside of the second thread groove 14, and one end of the screw rod 15 is connected to the distance meter 3 through a bearing 16.

As shown in fig. 2, a first handle 18 is fixedly connected to the screw rod 15, and the first handle 18 is located between the bearing 16 and the second fixing block 10; the screw rod 15 is driven to rotate conveniently by the arranged first handle 18.

As shown in fig. 2, a nut 17 is sleeved outside the screw rod 15, and one side of the nut 17 is in contact with one side of the second fixing block 10; the nut 17 is tightly attached to the second fixing block 10 by rotating the nut 17, so that the possibility of rotation of the screw rod 15 due to non-human factors is reduced.

As shown in fig. 2, a limiting plate 19 is fixedly connected to one side of the movable plate 12; the movable plate 12 is prevented from being separated from the second support plate 11 by the provided limit plate 19.

As shown in fig. 1, a mounting seat 22 is fixedly connected to the fixing plate 2.

As shown in fig. 3, a second handle 20 is fixedly connected to the threaded rod 8; the threaded rod 8 is driven to rotate conveniently by the arranged second handle 20.

As shown in fig. 3, one end of the threaded rod 8 close to the first support plate 9 is fixedly connected with an anti-skid pad 21, and the anti-skid pad 21 is in contact with the first support plate 9; the possibility of non-human factor rotation of the threaded rod 8 is reduced by the arranged non-slip mat 21.

The utility model discloses the theory of operation: the distance measuring instrument 3 can be a Leica DISTO distance measuring instrument of Chelidica, switzerland, the distance measuring instrument 3 can be driven to move by adjusting the length of the screw rod 15 in the second thread groove 14 through the rotation of the driving screw rod 15, the distance measuring instrument 3 can be driven to move stably through the matching of the second supporting plate 11 and the movable plate 12, the distance measuring instrument 3 can be driven to move relative to the second fixed block 10, when one side of the baffle 13 is contacted with one end of the camera body 1, one end of the distance measuring instrument 3 is aligned with one end of the camera body 1, the nut 17 is tightly attached to the second fixed block 10 through the rotation of the nut 17, the possibility of the rotation of the screw rod 15 due to non-human factors is reduced, the accuracy of the test result is improved, the movable plate 12 is prevented from being separated from the second supporting plate 11 through the arranged limiting plate 19, the threaded rod 8 is driven to rotate, the threaded rod 8 is far away from the first supporting plate 9, the anti-skid pad 21 is not tightly attached to the first supporting plate 9 any more, relieve spacingly to 4 positions of first fixed block, and then drive first fixed block 4 and keep away from fixture block 6 motion, make fixture block 6 break away from draw-in groove 5, can accomplish demolising of first fixed block 4, the same reason, the above-mentioned split step of reverse operation, can accomplish fixing between first fixed block 4 and fixed plate 2, be convenient for fix distancer 3 on fixed plate 2, and be convenient for the split between first fixed block 4 and the fixed plate 2, operating procedure is simple convenient, make things convenient for in-service use, through the second handle 20 that sets up, be convenient for drive threaded rod 8 rotates, non-slipmat 21 through the setting, reduce the non-human factor pivoted possibility of threaded rod 8.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A machine vision range unit which characterized in that: comprises a camera body (1), one side of the camera body (1) is fixedly connected with a fixed plate (2), a distance measuring instrument (3) is arranged above the camera body (1), one side of the distance measuring instrument (3) is provided with a first fixed block (4), one side of the first fixed block (4) close to the fixed plate (2) is provided with a clamping groove (5), a clamping block (6) is arranged in the clamping groove (5), the clamping block (6) is fixedly connected with the fixed plate (2), the inner walls of two sides of the clamping groove (5) are both provided with a first thread groove (7), a threaded rod (8) is arranged in the first thread groove (7), one end of the threaded rod (8) extends to the outside of the first thread groove (7), the upper side and the lower side of the first fixed block (4) are both provided with a first supporting plate (9), one side of the first supporting plate (9) is fixedly connected with the fixed plate (2), the first fixing block (4) is connected with the distance measuring instrument (3) through an adjusting component;

the adjusting part is including setting up in second fixed block (10) of first fixed block (4) one side, second fixed block (10) and first fixed block (4) fixed connection, bottom fixedly connected with second backup pad (11) of second fixed block (10), one side of second backup pad (11) is equipped with fly leaf (12), second backup pad (11) are run through in fly leaf (12), distancer (3) are connected through spliced pole (23) with fly leaf (12), the bottom fixedly connected with baffle (13) of fly leaf (12), one side of baffle (13) contacts with the one end of camera body (1), second fixed block (10) and distancer (3) are connected through drive assembly.

2. A machine vision ranging apparatus as defined in claim 1 wherein: the driving assembly comprises a second thread groove (14) formed in one side of the second fixing block (10), a lead screw (15) is arranged in the second thread groove (14), one end of the lead screw (15) extends to the outside of the second thread groove (14), and one end of the lead screw (15) is connected with the distance measuring instrument (3) through a bearing (16).

3. A machine vision ranging apparatus as claimed in claim 2 wherein: the screw rod (15) is fixedly connected with a first handle (18), and the first handle (18) is located between the bearing (16) and the second fixing block (10).

4. A machine vision ranging apparatus as claimed in claim 3 wherein: the outer sleeve of lead screw (15) is equipped with nut (17), one side and the one side of second fixed block (10) of nut (17) contact.

5. A machine vision ranging apparatus as defined in claim 1 wherein: one side of the movable plate (12) is fixedly connected with a limiting plate (19).

6. A machine vision ranging apparatus as defined in claim 1 wherein: and the fixing plate (2) is fixedly connected with a mounting seat (22).

7. A machine vision ranging apparatus as defined in claim 1 wherein: and a second handle (20) is fixedly connected to the threaded rod (8).

8. A machine vision ranging apparatus as defined in claim 1 wherein: one end of the threaded rod (8) close to the first supporting plate (9) is fixedly connected with an anti-slip pad (21), and the anti-slip pad (21) is in contact with the first supporting plate (9).