CN217548033U - Light sensor ruler measuring device - Google Patents

Abstract

The utility model provides a light sensor ruler measuring device in the livestock-raising field, including the measuring board, through setting up first camera, second camera and third camera, take a picture and make a video recording simultaneously respectively, carry out the analysis measurement in transmitting the positive visual angle of gained animal side and depression angle image to the image analysis system of external world, through the distance of every point on the image, can obtain the size of each key position, can be applicable to different kinds of animals through adjusting the position of camera in proper order; through setting up the adjustable deflector to the animal of adaptation different sizes makes it get into and can obtain more positive position in the space that the deflector was injectd, has improved the measuring precision, has solved prior art in the manual measurement waste time and energy, and arouse animal stress reaction easily, causes the problem of injury to people or animal, convenient to use, swift has extensive popularization and application and worth in poultry farming technical field.

Description

Light sensor ruler measuring device

Technical Field

The utility model relates to a livestock-raising technical field, it is specific, the utility model relates to a light sensation body chi measuring device.

Background

Animal husbandry is an important part of agriculture and an important link for exchanging substances between human beings and the nature, and animal body scales, such as: the indexes of height, length, oblique length, nojiri length, shoulder width, hip width, chest depth, head length and the like reflect the physique and growth and development conditions of animals, and are closely related to the adaptability of livestock to the environment, the economic value of livestock, the production performance, the reproductive performance and the like. The accurate measurement of the body ruler data of the breeding stock has important significance for exploring the growth development, reproductive performance and production performance of the breeding stock, and is also an important basis for measuring the breeding effect and the standardized feeding degree of the breeding stock.

At present, the measurement of the animal body ruler is mainly carried out manually, wherein the manual measurement refers to the measurement of the animal body ruler directly by manual work or by manual work with the assistance of an auxiliary clamping device, and the method is time-consuming and labor-consuming; with the development of digitalization, most of the existing electronic body ruler measuring devices still need to measure different parts for multiple times, for example, a laser livestock body ruler measuring device disclosed in chinese patent CN208130000U simplifies the data reading and recording process, improves the accuracy of measurement, but still needs to measure for multiple times, and livestock is in a strange environment and is prone to causing stress reaction, and has potential danger and injury to people and livestock.

Photogrammetry refers to taking pictures of objects from different viewing directions, processing the resulting digital images with powerful image processing software after obtaining the images, and providing their three-dimensional coordinates and statistical information from triangulation of a photogrammetry package for each measurement point. In a short time, the user can conveniently obtain the nominal value or other geometric information by using the interface and the interface of the comprehensive analysis software. The basic principle is that 1 (or more) digital camera(s) with high resolution is used to photograph the object to be measured, the digital image of the object is obtained by using the back light reflection mark, and the accurate X, Y and Z coordinates of the reflection mark point can be obtained after the computer image processing. The method measures a plurality of targets simultaneously through cameras at different positions, so that the position and posture relation among the cameras and the three-dimensional coordinates of the target points can be calculated. Assuming that there are j stations (j rays) intersecting at the measurement point Pi, there are j collinearity equations. According to the principle of least square, the collinearity equations of a plurality of rays (beams) are solved simultaneously (bundle adjustment) to obtain the space coordinates (X, Y, Z) of the target point, so as to obtain the information of the curved surface structure, the external dimension, the relative position and the like of the measured object.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned well manual measurement animal body chi data waste time and energy, current electron body chi measuring device needs a lot of to measure, the livestock is in strange environment and easily arouses stress response, all has the problem of potential danger and injury to people and livestock, an object of the utility model is to provide a light sense body chi measuring device, through first camera, second camera and third camera simultaneously take a picture respectively and make a video recording, carry out the analysis measurement in transmitting gained animal side normal angle and depression angle image to external image analysis system, through the distance of every point on the image, can obtain the size of each key position, first camera, second camera and third camera position are all adjustable, combine adjustable deflector to adapt to the different types and the different animal's body chi measurement, quick accuracy, it is hard when having solved among the prior art and measuring the livestock body chi, current electron body chi measuring device needs a lot of repeated measurement easily to arouse animal stress response's technical problem, has extensive popularization and application and worth in the technical field of livestock breeding.

The utility model discloses a realize through following technical scheme:

the utility model provides a pair of light sensor chi measuring device, including support frame and measuring plate, the measuring plate is installed in the support frame top, the lateral wall sliding connection of measuring plate has the installation pole, all sliding connection has the measuring stick at the both ends of installation pole, one of them tip fixed mounting of measuring stick has first camera, another tip fixed mounting has the second camera, the locking groove has been seted up to one side that the installation pole is close to the measuring plate, and the lateral wall elastic connection of locking groove has the locking block, a set of constant head tank has been seted up to the lateral wall of measuring plate, one side fixed mounting that the installation pole was kept away from to the measuring plate has the adjustment subassembly, the adjustment subassembly is used for adjusting the height of third camera, measuring plate lateral wall sliding connection has a set of deflector.

The utility model discloses in, the lift groove has been seted up at the middle part of measuring the board, sliding connection has the elevator in the lift groove, the tip of elevator pass measure the board and with installation pole fixed connection.

The utility model discloses in, the measuring tank has all been seted up to the both sides of installation pole, all sliding connection has the measuring block in the measuring tank, one side that the measuring block is close to the measuring board all is connected with the measuring stick stationary phase, the measuring block is kept away from the all fixed mounting in one side of measuring the board and is pulled the piece, it passes the installation pole and is T shape to pull the piece.

The utility model discloses in, the tip of locking piece passes the constant head tank and sliding connection with it, the top sliding connection of installation pole has the fixture block, the draw-in groove has been seted up on the top of locking piece.

The utility model discloses in, the tip of fixture block is the wedge, the tip looks adaptation of draw-in groove inner wall and fixture block.

The utility model discloses in, the adjustment subassembly is including measuring a set of vertical jib of board lateral wall fixed mounting, the adjustment tank has been seted up at the middle part of vertical jib, sliding connection has the regulating block in the adjustment tank, the equal fixed mounting in bottom of regulating block has the loop bar, and the inboard sliding connection of loop bar has the telescopic link, the bottom fixed mounting of telescopic link has the third camera, loop bar lateral wall threaded connection has clamping screw.

The utility model discloses in, it is connected with two-way screw rod to rotate in the middle of the support frame, two-way screw rod passes deflector screw-thread fit with it.

In the utility model, a lifting rod and a transverse plate are arranged below the support frame, the lifting rods are fixedly connected below the two sides of the support frame, a limiting rod is movably connected in the lifting rods, and the bottom of the limiting rod is fixedly connected with the two ends of the transverse plate respectively; and a cylinder is arranged between the transverse plate and the support frame, the bottom of the cylinder is fixedly connected with the transverse plate, and a cylinder piston at the other end of the cylinder is fixedly connected with the support frame.

The utility model discloses in, be equipped with the fourth camera on the diaphragm, the diaphragm bottom is equipped with the pulley.

Compared with the prior art, use the utility model provides a pair of light sensor chi measuring device can obtain following beneficial effect:

(1) Through setting up first camera, second camera and third camera, take a picture respectively simultaneously and make a video recording, carry out analysis measurement in transmitting positive visual angle of gained animal side and depression angle image to external image analysis system, through the distance of every point on the image, can obtain the size of each key position, reduced staff's task load, improved work efficiency

(2) The first camera, the second camera and the third camera are all adjustable in position, and can adapt to animals of different types or different body types by combining with the adjustable guide plate, so that the animals can obtain a correct body position when entering a space defined by the guide plate, a better image can be obtained, and the accuracy in measurement is improved.

(3) Adopt contactless measurement, shortened measuring time, avoided the stress response of animal, quick accurate, to the measurement of different animals only need adjust in proper order the camera the position can, solved current livestock body size measuring operation loaded down with trivial details, waste time and energy, easily arouse animal stress response to cause the problem of injury to people or animal, have extensive popularization and application and value in livestock breeding technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a front side view angle of the present invention;

FIG. 2 is a schematic structural view of a rear side view angle of the present invention;

FIG. 3 is a schematic view of the internal friend-forming stepped cross-section structure of the rear side view angle of the present invention;

FIG. 4 is a schematic view of the present invention at a position A in FIG. 3;

FIG. 5 is a schematic view of the internal structure of the rear side view angle of the present invention;

FIG. 6 is a schematic view of the present invention at a portion B of FIG. 5;

fig. 7 shows the internal structure of the rear view angle according to the present invention.

Reference numerals are as follows: 1-support frame, 2-measuring plate, 3-mounting rod, 4-measuring rod, 5-first camera, 6-second camera, 7-lifting groove, 8-lifting block, 9-measuring groove, 10-measuring block, 11-pulling block, 12-locking groove, 13-locking block, 14-positioning groove, 15-clamping block, 16-clamping groove, 17-vertical suspender, 18-adjusting groove, 19-adjusting block, 20-loop bar, 21-telescopic bar, 22-third camera, 23-fixing screw, 24-guide plate, 25-bidirectional screw, 26-lifting bar, 27-limiting rod, 28-transverse plate, 29-air cylinder, 30-fourth camera, and 31-pulley.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to fig. 1-7, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, but not all of them.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, for convenience of description, the description of the relative position relationship of each component in a photoreceptor ruler measuring device is described according to the layout pattern of fig. 1, as follows: the positional relationship of up, down, left, right, etc. is determined according to the layout direction of fig. 1.

Combine fig. 1 to fig. 7 shown, the embodiment of the utility model provides a light sensor chi measuring device, including support frame 1 and measurement board 2, measurement board 2 is installed in the support frame top, measurement board 2's lateral wall sliding connection has installation pole 3, the both ends of installation pole 3 all sliding connection have measurement pole 4, one of them tip fixed mounting of measurement pole 4 has first camera 5, another tip fixed mounting has second camera 6, installation pole 3 is close to one side of measurement board 2 and has seted up locking groove 12, and the lateral wall elastic connection of locking groove 12 has locking block 13, a set of constant head tank 14 has been seted up to measurement board 2's lateral wall, one side fixed mounting that installation pole 3 was kept away from to measurement board 2 has the adjustment subassembly, the adjustment subassembly is used for adjusting third camera 22's height, measurement board 2 lateral wall sliding connection has a set of deflector 24.

In the utility model, a lifting groove 7 is arranged in the middle of the measuring plate 2, a lifting block 8 is connected to the inner side of the lifting groove 7 in a sliding manner, and the end part of the lifting block 8 passes through the measuring plate 2 and is fixedly connected with the mounting rod 3; when installation pole 3 reciprocated, installation pole 3 removed and drives elevator 8 and slide in the inboard of lift groove 7, and lift groove 7 carries on spacingly to elevator 8 for installation pole 3's removal is more stable, has avoided installation pole 3 to take place the slope, has guaranteed measuring accuracy.

In the utility model, the two sides of the mounting rod 3 are both provided with measuring grooves 9, the inner sides of the measuring grooves 9 are both connected with measuring blocks 10 in a sliding way, one sides of the measuring blocks 10 close to the measuring plate 2 are both fixedly connected with the measuring rod 4, one sides of the measuring blocks 10 far away from the measuring plate 2 are both fixedly provided with pulling blocks 11, and the pulling blocks 11 pass through the mounting rod 3 and are T-shaped; when measuring stick 4 removed in the horizontal direction, measuring stick 4 removed and drives measuring block 10 and slide in the inboard of measuring tank 9, and measuring tank 9 carries on spacingly to measuring block 10 for measuring stick 4 is more stable when removing, has avoided measuring stick 4 to take place the slope, has further improved measuring accuracy.

In the utility model, the end part of the locking block 13 passes through the positioning groove 14 and is connected with the positioning groove in a sliding way, the top end of the mounting rod 3 is connected with the clamping block 15 in a sliding way, and the top end of the locking block 13 is provided with the clamping groove 16; the end part of the clamping block 15 is wedge-shaped, and the inner wall of the clamping groove 16 is matched with the end part of the clamping block 15; when the installation rod 3 needs to be moved, the fixture block 15 only needs to be pressed downwards, the fixture block 15 moves downwards to enable the inclined surface at the end part of the fixture block 15 to extrude the inner wall of the fixture groove 16, the inner wall of the fixture groove 16 is extruded to push the locking block 13 to slide towards the inner side of the locking groove 12 until the other end of the locking block 13 slides out of the positioning groove 14, and at the moment, the installation rod 3 is in an unlocking state and can be moved freely; after the movement is finished, only the fixture block 15 needs to be loosened, at this time, the inner wall of the clamping groove 16 is not extruded by the fixture block 15 any more, the locking block 13 is pushed by elasticity to move towards one side of the measuring plate 2, the locking block 13 moves to enable the inclined surface of the clamping groove 16 to extrude the fixture block 15, the fixture block moves upwards to return to the initial position until the end part of the locking block 13 is inserted into a group of positioning grooves 14 where the height of the part needing to be measured is located, and at this time, the mounting rod 3 and the measuring plate 2 are in a fixed connection state; the height adjustment of the mounting rod 3 is more convenient, the adjusting steps are saved, and the measuring efficiency is improved.

The utility model discloses in, the adjustment subassembly is including measuring 2 lateral wall fixed mounting's of board a set of vertical jib 17, and adjustment tank 18 has all been seted up at vertical jib 17's middle part, and adjustment tank 18's bottom is open, and all sliding connection of lateral wall has regulating block 19, and the all fixed mounting in bottom of regulating block 19 has loop bar 20, and the inboard all sliding connection of loop bar 20 has telescopic link 21, and the all fixed mounting in bottom of telescopic link 21 has third camera 22, and loop bar 20 lateral wall threaded connection has clamping screw 23.

The utility model discloses in, rotate in the middle of the support frame 1 and be connected with two-way screw rod 25, two-way screw rod 25 passes deflector 24 and screw-thread fit with it.

In the utility model, a lifting rod 26 and a transverse plate 28 are arranged below the support frame 1, the lifting rods 26 are fixedly connected below the two ends of the support frame 1, a limiting rod 27 is movably connected in the lifting rods 26, and the bottom of the limiting rod 27 is fixedly connected with the two ends of the transverse plate 28 respectively; an air cylinder 29 is arranged between the transverse plate 28 and the support frame 1, the bottom of the air cylinder 29 is fixedly connected with the transverse plate 28, an air cylinder piston at the other end of the air cylinder 29 is fixedly connected with the support frame 1, and the whole height of the support frame 1 can be raised or lowered through the lifting and contraction of the air cylinder 29, so that the height of the measuring plate 2 can be adjusted to adapt to the measurement of animals with different heights; when the supporting frame 1 rises, the lifting rod 26 slides outside the limiting rod 27, so that the supporting frame 1 can be prevented from inclining and deviating while the height adjustment is not influenced, the measuring plate 2 is kept horizontal all the time, and the measuring accuracy is not influenced.

In the utility model, the transverse plate 28 is provided with the fourth camera 30, the bottom of the transverse plate 28 is provided with the pulley 31, and the animal hooves can be shot and recorded through the fourth camera 30, so that individual samples can be recorded conveniently; the transfer of the photoreceptor ruler measuring device is facilitated by the pulley 31.

When the utility model is used, the utility model is moved to a proper position through the pulley 31, the height of the measuring plate is adjusted by the cylinder 29 according to the height of the animal to be measured, and the positions of the first camera 5, the second camera 6 and the third camera 22 are adjusted according to the animal body type to be measured, so that the three cameras can shoot better images, and the subsequent distance measurement according to the images is convenient; the front and back positions of the third camera 22 can be adjusted by pulling the sleeve rod 20 to move along the adjusting groove 18 in the vertical suspender 17, so that the optimal centering image can be acquired when an animal is vertical in the middle of the guide plate 24 due to the fact that different animal body types are adapted, the vertical direction of the third camera 22 can be adjusted by screwing and fixing the lower sleeve rod 20 through the fixing screw rod 23, clear images can be acquired, the measuring accuracy is guaranteed, the measurement of animals of different body types can be adapted, and the acquired images of the depression angle of the animal are transmitted to an external image analysis system for analysis and measurement; when the position of the third camera 22 is adjusted, a worker only needs to press the fixture block 15 downwards, the fixture block 15 moves downwards to enable the inclined surface at the end of the fixture block 15 to extrude the inner wall of the fixture groove 16, the inner wall of the fixture groove 16 is extruded to push the locking block 13 to slide towards the inner side of the locking groove 12 until the other end of the locking block 13 slides out of the positioning groove 14, the installation rod 3 is pushed again, the installation rod 3 moves to drive the two groups of measuring rods 4 to move through the two groups of measuring blocks 10, the two groups of measuring rods 4 move to drive the first camera 5 and the second camera 6 to move synchronously, until the two groups of measuring rods 4 move to the approximate center of the side face of the animal body, the fixture block 15 is loosened, at the moment, the inner wall of the fixture block 16 is not extruded by the fixture block 15 any more, the locking block 13 moves towards one side of the measuring plate 2 through elastic force, the locking block 15 moves upwards through pushing of the fixture block 16 to return to the initial position until the end of the locking block 13 is inserted into the group of positioning groove 14 at which the height of the position to be measured, at the moment, the installation rod 3 and the measuring plate 2 are in a fixed connection state, and the height of the first camera and the side face of the second camera 6 is kept unchanged, so that the side face of the animal can obtain images of the animal; the two groups of pulling blocks 11 are pulled inwards, the pulling blocks 11 move to drive the two groups of measuring rods 4 to approach each other through the measuring blocks 10, at the moment, the first camera 5 and the second camera 6 approach each other along with the two groups of measuring rods 4 until the two groups of measuring rods 4 stop at proper positions on the animal body side respectively, so that clear and qualified images on the animal body side can be collected, the overall height of the support frame 1 can be raised or lowered through the lifting and the contraction of the air cylinder 29, the height of the measuring plate 2 can be adjusted to adapt to the measurement of animals with different heights, the distance between the two guide plates 24 can be adjusted through rotating the bidirectional screw 25, so that the measuring device adapts to animals with different body sizes, and the animals enter a space defined by the guide plates 24 to obtain a more positive body position; then, the animals to be measured are guided to enter from the two guide plates 24, and the guide is easier due to the larger opening at the front end of each guide plate 24; when the animal enters the vertical section of the guide plate 24, the first camera 5, the second camera 6 and the third camera 22 take pictures and take pictures simultaneously respectively, the obtained images of the side elevation and the depression of the animal are transmitted to an external image analysis system for analysis and measurement, the size of each key part can be obtained through the distance of each point on the images, the task load of workers is reduced, and the working efficiency is improved; the positions of the first camera 5, the second camera 6 and the third camera 22 are all adjustable, and the adjustable guide plate 24 can adapt to animals of different types or different body types, so that the animals can enter a space defined by the guide plate 24 to obtain a correct body position, a better image can be obtained, and the accuracy in measurement is improved; the fourth camera 30 is used to identify the hoof of the individual recording the sample; adopt contactless measurement, shortened measuring time, avoided the stress response of animal, quick accurate, to the measurement of different animals only need adjust in proper order the position of each camera can, solved current livestock body size measure complex operation, waste time and energy, easily arouse animal stress response to cause the problem of injury to people or animal, have extensive popularization and application and value in livestock breeding technical field.

The standard parts used in this document are commercially available and can be customized according to the description of the specification and the drawings, the specific connection mode of each part is conventional means such as bolts, rivets and welding, the machines, parts and devices are conventional models in the prior art, the image analysis system can be realized by simple programming by those skilled in the art, and the image analysis system belongs to the common knowledge in the field, and is mainly used for protecting the mechanical device, so the principle of the image analysis system is not explained in detail in this document.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (9)

1. The utility model provides a light sensor chi measuring device, includes support frame (1) and measuring board (2), its characterized in that: the measuring device comprises a supporting frame (1), a measuring plate (2), a mounting rod (3), a measuring rod (4), a first camera (5) and a second camera (6), wherein the measuring plate (2) is mounted above the supporting frame (1), the side wall of the measuring plate (2) is connected with the mounting rod (3) in a sliding mode, the two ends of the mounting rod (3) are connected with the measuring rod (4) in a sliding mode, one end portion of the measuring rod (4) is fixedly mounted with the first camera (5), and the other end portion of the measuring rod is fixedly mounted with the second camera (6); installation pole (3) are close to one side of measuring board (2) and have seted up locking groove (12), and the lateral wall elastic connection who locks groove (12) has locking piece (13), a set of constant head tank (14) have been seted up to the lateral wall of measuring board (2), one side fixed mounting that installation pole (3) were kept away from in measuring board (2) has the adjustment subassembly, third camera (22) are installed to the adjustment subassembly bottom, it has a set of deflector (24) to measure board (2) lateral wall sliding connection.

2. The photoreceptor ruler measuring device of claim 1, wherein: the measuring instrument is characterized in that a lifting groove (7) is formed in the middle of the measuring plate (2), a lifting block (8) is connected in the lifting groove (7) in a sliding mode, and the end portion of the lifting block (8) penetrates through the measuring plate (2) and is fixedly connected with the mounting rod (3).

3. The photoreceptor ruler measuring device of claim 1, wherein: measuring tank (9) have all been seted up to the both sides of installation pole (3), all sliding connection has measuring block (10) in measuring tank (9), one side that measuring block (10) are close to measuring plate (2) all is connected with measuring rod (4) are fixed, one side that measuring plate (2) were kept away from in measuring block (10) all fixed mounting has pull piece (11), pull piece (11) pass installation pole (3) and be T shape.

4. A photoreceptor ruler measuring device according to claim 3, wherein: the end part of the locking block (13) penetrates through the positioning groove (14) and is in sliding connection with the positioning groove, the top end of the mounting rod (3) is in sliding connection with a clamping block (15), and the top end of the locking block (13) is provided with a clamping groove (16).

5. The photoreceptor measure device according to claim 4, wherein: the end part of the clamping block (15) is wedge-shaped, and the inner wall of the clamping groove (16) is matched with the end part of the clamping block (15).

6. The photoreceptor ruler measuring device of claim 1, wherein: the utility model discloses a camera, including adjustment assembly, adjustment assembly is including vertical jib (17) of measuring board (2) lateral wall fixed mounting, adjustment tank (18) have been seted up at the middle part of vertical jib (17), sliding connection has regulating block (19) in adjustment tank (18), the bottom fixed mounting of regulating block (19) has loop bar (20), and the inboard sliding connection of loop bar (20) has telescopic link (21), the bottom fixed mounting of telescopic link (21) has third camera (22), loop bar (20) lateral wall threaded connection has clamping screw (23).

7. The photoreceptor measure device according to claim 1, wherein: the middle of the support frame (1) is rotatably connected with a bidirectional screw (25), and the bidirectional screw (25) penetrates through the guide plate (24) to be in threaded fit with the guide plate.

8. The photoreceptor measure device according to claim 1, wherein: a lifting rod (26) and a transverse plate (28) are arranged below the support frame (1), the lifting rods (26) are fixedly connected below the two sides of the support frame (1), limiting rods (27) are movably connected in the lifting rods (26), and the bottoms of the limiting rods (27) are fixedly connected with the two ends of the top of the transverse plate (28) respectively; an air cylinder (29) is arranged between the transverse plate (28) and the support frame (1), the bottom of the air cylinder (29) is fixedly connected with the transverse plate (28), and a piston of the air cylinder (29) at the other end of the air cylinder (29) is fixedly connected with the support frame (1).

9. The photoreceptor ruler measuring device according to claim 8, wherein: and a fourth camera (30) is arranged on the transverse plate (28), and a pulley (31) is arranged at the bottom of the transverse plate (28).

Images