Camera adjusting device

Abstract

According to the camera adjusting device provided by the invention, the upper mounting plate can slide in the direction of the first chute, namely, the camera is driven to move in the length direction of the first cross beam, and the lower mounting plate can slide in the direction of the second chute, namely, the camera is driven to move in the length direction of the second cross beam, so that the left-right position adjustment of the camera is realized; the upper sliding hole and the lower sliding hole are kidney-shaped holes, front-back position adjustment of the camera can be achieved, the radial adjusting plate can move on the angle adjusting plate in the direction of the arc-shaped guide groove, then the camera is driven to move in the arc direction, the angle of the camera can be adjusted, and the posture of the camera can be adjusted. The object distance adjusting plate can slide in the adjusting groove so as to adjust the object distance of the camera. Four parameters including the left-right, front-back, angle and camera object distance of the camera can be adjusted through a set of simple device, the position and posture of the camera are adjusted, and screen detection through the camera is facilitated.

Description

Technical field

[0001] The present invention relates to the technical field of cameras, and in particular to a camera adjusting device. [Background Technology]

[0002] During the manufacturing process, display screens typically undergo AOI (Automated Optical Inspection) inspection to detect defects. AOI inspection requires the use of multiple cameras, each of which must be positioned and adjusted to ensure their fields of view overlap. Therefore, adjusting the camera's position and attitude is a pressing issue. [Summary of the invention]

[0003] The purpose of the present invention is to provide a camera adjustment device to solve the above technical problems.

[0004] In order to achieve the above-mentioned objectives, the present invention provides a camera adjustment device, comprising a bracket and an adjustment mechanism, wherein the adjustment mechanism is arranged on the bracket and can slide on the bracket; the adjustment mechanism comprises a mounting plate, an angle adjustment plate, a radial adjustment plate and an object distance adjustment plate, the mounting plates are arranged at both ends of the angle adjustment plate, the mounting plates are installed on the bracket, the angle adjustment plate is provided with an arc-shaped guide groove, the radial adjustment plate comprises a first surface and a second surface opposite to the first surface, the radial adjustment plate is provided with a pin hole passing through the first surface and the second surface, the first surface of the radial adjustment plate abuts against the surface of the angle adjustment plate having the guide groove, and the pin hole is positioned opposite to the guide groove, a pin is installed in the pin hole and can slide in the guide groove, the second surface of the radial adjustment plate is provided with an adjustment groove, the object distance adjustment plate is arranged in the adjustment groove and can slide in the adjustment groove, and a camera is fixed on the object distance adjustment plate.

[0005] In a preferred embodiment, the angle adjustment plate is further provided with an arc-shaped guide hole extending therethrough, the guide holes being located on both sides of the guide groove, and the shape of the guide holes being the same as the shape of the guide groove; the radial adjustment plate is provided with a plurality of spaced connection holes, a plurality of connection holes being positioned opposite to the guide holes, the plurality of connection holes being used to insert connecting parts, and the connecting parts being able to be inserted into the guide holes and slide along the guide holes.

[0006] In a preferred embodiment, the radial adjustment plate includes a mounting portion and a sliding portion connected to the mounting portion, the sliding portion abuts against the angle adjustment plate, and the pin hole and the connecting hole are provided on the sliding portion.

[0007] In a preferred embodiment, the mounting portion is provided with a strip-shaped adjustment hole running through the first surface and the second surface, the adjustment hole is connected to the adjustment slot, and the direction of the adjustment hole is the same as the direction in which the object distance adjustment plate slides in the adjustment slot.

[0008] In a preferred embodiment, a guide protrusion is provided on the surface of the object distance adjustment plate close to the radial adjustment plate, the guide protrusion is opposite to the adjustment hole, the guide protrusion is inserted into the adjustment hole and can slide along the adjustment hole.

[0009] In a preferred embodiment, the angle adjustment plate includes a rectangular first connecting plate and a second connecting plate extended from one end of the first connecting plate, and the second connecting plate is arc-shaped; the mounting plate includes an upper mounting plate and a lower mounting plate, the upper mounting plate is connected to the first connecting plate, and the lower mounting plate is connected to the second connecting plate.

[0010] In a preferred embodiment, the bracket includes several longitudinal beams arranged perpendicular to the horizontal plane and several cross beams connecting the longitudinal beams, the cross beams are perpendicular to the longitudinal beams, the adjustment mechanism is installed on the first cross beam and the second cross beam adjacent to each other above and below, and the adjustment mechanism is located between the first cross beam and the second cross beam.

[0011] In a preferred embodiment, the upper mounting plate includes an upper fixing portion, an upper mounting portion parallel to the upper fixing portion, and a supporting portion connecting the upper fixing portion and the upper mounting portion, the supporting portion is perpendicular to the upper fixing portion and the upper mounting portion, the supporting portion supports the side surface of the first crossbeam, the upper fixing portion is connected and fixed to the first connecting plate, the upper mounting portion supports the lower surface of the first crossbeam, the first crossbeam is provided with a first sliding groove in the length direction, the upper mounting portion is provided with a penetrating upper sliding hole, the upper sliding hole is opposite to the first sliding groove, a pin is installed in the upper sliding hole and the pin can slide in the first sliding groove.

[0012] In a preferred embodiment, the lower mounting plate includes a lower fixing portion and a lower mounting portion perpendicular to the lower fixing portion, the lower fixing portion is connected and fixed to the second connecting plate, the lower mounting portion rests against the upper surface of the second beam, the second beam is provided with a second slide groove in the length direction, the lower mounting portion is provided with a penetrating lower sliding hole, the lower sliding hole is opposite to the second slide groove, a pin is installed in the lower sliding hole and the pin can slide in the second slide groove.

[0013] In a preferred embodiment, the camera includes a camera body and a mounting block connected to the camera body, and the mounting block is fixed on the object distance adjustment plate.

[0014] Compared to the prior art, the camera adjustment device provided by the present invention has an adjustment mechanism that can slide on a bracket and thereby drive the camera to slide on the bracket, thereby adjusting the position of the camera. The mounting plates of the adjustment mechanism are arranged at both ends of the angle adjustment plate and are mounted on the bracket. The angle adjustment plate is provided with an arc-shaped guide groove. The radial adjustment plate is provided with a pin hole that passes through a first surface and a second surface. The first surface of the radial adjustment plate abuts against the surface of the angle adjustment plate provided with the guide groove, and the pin hole is positioned opposite to the guide groove. A pin is installed in the pin hole and can slide in the guide groove. The radial adjustment plate can move along the direction of the arc-shaped guide groove on the angle adjustment plate, thereby driving the camera to move along the arc direction, thereby adjusting the angle of the camera. The second surface of the radial adjustment plate is provided with an adjustment groove. The object distance adjustment plate is arranged in the adjustment groove and can slide in the adjustment groove. During the sliding process, the object distance between the camera and the screen can be adjusted, thereby achieving camera object distance adjustment. The device of the present invention can adjust the position, angle and object distance of the camera, that is, it can achieve camera position and posture adjustment, facilitating screen detection through the camera.

Brief Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a structural diagram of the camera adjustment device provided by the present invention.

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0018] Figure 3 This is a combined structural diagram of the adjustment mechanism in the camera adjustment device provided by the present invention.

[0019] Figure 4 This is a decomposition diagram of the adjustment mechanism in the camera adjustment device provided by the present invention.

[0020] Figure 5 This is another exploded structural diagram of the adjustment mechanism in the camera adjustment device provided by the present invention.

[0021] Description of reference numerals: 100 - camera adjustment device; 10 - bracket, 11 - longitudinal beam, 12 - transverse beam, 121 - first transverse beam, 122 - second transverse beam, 123 - first chute, 124 - second chute;

[0022] 20 - Adjustment mechanism; 21 - Mounting plate, 25 - Upper mounting plate, 251 - Upper fixing portion, 252 - Upper mounting portion, 253 - Abutment portion, 254 - Upper sliding hole, 26 - Lower mounting plate, 261 - Lower fixing portion, 262 - Lower mounting portion, 263 - Lower sliding hole; 22 - Angle adjustment plate, 221 - Guide groove, 222 - First connecting plate, 223 - Second connecting plate, 224 - Guide hole; 23 - Radial adjustment plate, 231 - First surface, 232 - Second surface, 233 - Pin hole, 234 - Adjustment groove, 235 - Connecting hole, 236 - Mounting portion, 237 - Sliding portion, 238 - Adjustment hole; 24 - Object distance adjustment plate, 241 - Guide protrusion;

[0023] 30-camera, 31-camera body, 32-mounting block. [Specific implementation method]

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0025] See also Figure 1 , which is a structural diagram of the camera adjustment device 100 provided by the present invention. The camera adjustment device 100 provided by the present invention can adjust the position and posture of the camera to facilitate screen detection.

[0026] Please also refer to Figures 2 to 4 The camera adjustment device 100 includes a bracket 10 and an adjustment mechanism 20 . The adjustment mechanism 20 is disposed on the bracket 10 and can slide on the bracket 10 .

[0027] The adjustment mechanism 20 includes a mounting plate 21 , an angle adjustment plate 22 , a radial adjustment plate 23 and an object distance adjustment plate 24 . The mounting plate 21 is arranged at both ends of the angle adjustment plate 22, and the mounting plate 21 is mounted on the bracket 10. The angle adjustment plate 22 is provided with an arc-shaped guide groove 221. The radial adjustment plate 23 includes a first surface 231 and a second surface 232 opposite to the first surface 231. The radial adjustment plate 23 is provided with a pin hole 233 passing through the first surface 231 and the second surface 232. The first surface 231 of the radial adjustment plate 23 abuts against the surface of the angle adjustment plate 22 on which the guide groove 221 is provided, and the pin hole 233 is positioned opposite to the guide groove 221. A pin is installed in the pin hole 233 and the pin can slide in the guide groove 221. The second surface 232 of the radial adjustment plate 23 is provided with an adjustment groove 234. The object distance adjustment plate 24 is provided in the adjustment groove 234 and can slide in the adjustment groove 234. The camera 30 is fixed on the object distance adjustment plate 24.

[0028] Specifically, the adjustment mechanism 20 can slide on the bracket 10, thereby driving the camera 30 to slide on the bracket 10, typically in a left-right direction, to adjust the position of the camera 30. The pin hole 233 on the radial adjustment plate 23 is positioned opposite the arcuate guide slot 221 on the angle adjustment plate 22. A pin is installed in the pin hole 233 and can slide within the arcuate guide slot 221. In other words, the radial adjustment plate 23 can move along the arcuate guide slot 221 on the angle adjustment plate 22, thereby driving the camera 30 to move along the arc to adjust the angle of the camera 30. The object distance adjustment plate 24 can slide within the adjustment slot 234 of the radial adjustment plate 23. During this sliding process, the object distance between the camera 30 and the screen can be adjusted, thereby achieving camera object distance adjustment.

[0029] Therefore, the camera adjustment device 100 provided by the present invention has an adjustment mechanism 20 that can slide on the bracket 10 and thereby drive the camera 30 to slide on the bracket 10, so as to adjust the position of the camera 30. The mounting plates 21 of the adjustment mechanism 20 are arranged at both ends of the angle adjustment plate 22 and the mounting plates 21 are mounted on the bracket 10. The angle adjustment plate 22 is provided with an arc-shaped guide groove 221, and the radial adjustment plate 23 is provided with a pin hole 233 that passes through the first surface 231 and the second surface 232. The first surface 231 of the radial adjustment plate 23 abuts against the surface of the angle adjustment plate 22 on which the guide groove 221 is provided, and the pin hole 233 is provided. 33 is located opposite to the guide groove 221. A pin is installed in the pin hole 233 and can slide within the guide groove 221. The radial adjustment plate 23 can move along the direction of the arc-shaped guide groove 221 on the angle adjustment plate 22, thereby driving the camera 30 to move along the arc direction, thereby adjusting the angle of the camera 30. The second surface 232 of the radial adjustment plate 23 is provided with an adjustment groove 234. The object distance adjustment plate 24 is disposed in the adjustment groove 234 and can slide within the adjustment groove 234. During the sliding process, the object distance between the camera 30 and the screen can be adjusted, thereby achieving camera object distance adjustment. The device of the present invention can adjust the position, angle, and object distance of the camera, that is, it can achieve camera position and posture adjustment, facilitating screen detection through the camera.

[0030] The bracket 10 includes several longitudinal beams 11 arranged perpendicular to the horizontal plane and several transverse beams 12 connecting the longitudinal beams 11. The transverse beams 12 are perpendicular to the longitudinal beams 11. The bracket 10 is formed by connecting the longitudinal beams 11 and the transverse beams 12. The bracket 10 can be equipped with multiple adjustment mechanisms to adjust the position and posture of multiple cameras to achieve overlap in the field of view. In this embodiment, the adjustment mechanism 20 is mounted on a first transverse beam 121 and a second transverse beam 122 adjacent to each other in the vertical direction, and is located between the first transverse beam 121 and the second transverse beam 122.

[0031] The mounting plate 21 includes an upper mounting plate 25 and a lower mounting plate 26 . The upper mounting plate 25 and the lower mounting plate 26 are respectively connected to two ends of the angle adjustment plate 22 .

[0032] The angle adjustment plate 22 includes a rectangular first connecting plate 222 and a second connecting plate 223 extending from one end of the first connecting plate 222. The second connecting plate 223 is arc-shaped, and its curvature is the same as that of the guide groove 221. The upper mounting plate 25 is connected to the first connecting plate 222, and the lower mounting plate 26 is connected to the second connecting plate 223. Specifically, the angle between the tangent direction of the first connecting plate 222 and the second connecting plate 223 is obtuse, which facilitates connection with the lower mounting plate, facilitating installation of the adjustment mechanism 20, and adjusting the camera angle.

[0033] The upper mounting plate 25 includes an upper fixing portion 251 , an upper mounting portion 252 parallel to the upper fixing portion 251 , and a supporting portion 253 connecting the upper fixing portion 251 and the upper mounting portion 252 . The supporting portion 253 is perpendicular to the upper fixing portion 251 and the upper mounting portion 252 . The abutting portion 253 abuts against the side of the first crossbeam 121, the upper fixing portion 251 is connected and fixed to the first connecting plate 222, and the upper mounting portion 252 abuts against the lower surface of the first crossbeam 121. The first crossbeam 121 is provided with a first slide groove 123 in the longitudinal direction, and the upper mounting portion 252 is provided with an upper sliding hole 254 extending therethrough. The upper sliding hole 254 is positioned opposite to the first slide groove 123. A pin is installed in the upper sliding hole 254 and the pin can slide in the first slide groove 123, that is, the upper mounting plate 25 can slide along the direction of the first slide groove 123, that is, drive the camera to move in the longitudinal direction of the first crossbeam 121, thereby adjusting the left and right position of the camera. Specifically, the upper sliding hole 254 is a waist-shaped hole, which is roughly elliptical. The long axis direction of the waist-shaped hole is perpendicular to the first crossbeam. The waist-shaped hole can adjust the position of the upper mounting plate in the vertical direction of the first crossbeam, that is, can adjust the front and back position of the camera.

[0034] The lower mounting plate 26 includes a lower fixing portion 261 and a lower mounting portion 262 perpendicular to the lower fixing portion 261. The lower fixing portion 261 is connected and fixed to the second connecting plate 223. The lower mounting portion 262 abuts against the upper surface of the second crossbeam 122. The second crossbeam 122 has a second slide groove 124 defined in its longitudinal direction. The lower mounting portion 262 has a through-going lower hole 263 defined therein. The lower slide groove 263 is positioned opposite the second slide groove 124. A pin is mounted within the lower slide hole 263 and can slide within the second slide groove 124. This allows the lower mounting plate 26 to slide along the second slide groove 124, thereby driving the camera to move in the longitudinal direction of the second crossbeam 122 and adjust the camera's left and right position. Specifically, the lower slide hole 263 is a waist-shaped hole, generally elliptical in shape, with its major axis perpendicular to the second crossbeam. This waist-shaped hole allows the lower mounting plate to be adjusted in the vertical direction of the second crossbeam, thereby adjusting the camera's front and back position.

[0035] The angle adjustment plate 22 is also provided with a penetrating arc-shaped guide hole 224, which is located on both sides of the guide groove 221, and the shape of the guide hole 224 is the same as that of the guide groove 221, that is, the guide hole 224 has the same curvature as the guide groove 221. Specifically, the guide groove 221 and the guide hole 224 are both provided on the second connecting plate 223, and the arc shape of the second connecting plate 223 is conducive to adjusting the angle of the camera.

[0036] Correspondingly, the radial adjustment plate 23 is provided with a plurality of spaced connection holes 235, which are positioned opposite the guide holes 224. Connectors are received in the connection holes 235, and the connectors can be inserted into and slide along the guide holes 224. Specifically, the connectors can be, for example, a pin. Passing through the guide holes 224 and the connection holes 235, the connectors connect the radial adjustment plate 23 to the angle adjustment plate 22. The connectors slide along the guide holes 224, providing guidance during angle adjustment and preventing the pins from disengaging from the guide slots 221.

[0037] The radial adjustment plate 23 includes a mounting portion 236 and a sliding portion 237 connected to the mounting portion 236 . The sliding portion 237 abuts against the angle adjustment plate 22 , specifically against the second connecting plate 223 . The pin hole 233 and the connecting hole 235 are provided on the sliding portion 237 . Specifically, the mounting portion 236 and the sliding portion 237 are both rectangular, and the adjustment groove 234 is a groove opened along the long side direction of the mounting portion 236 and the sliding portion 237. The adjustment groove 234 is opened on the second surface of the mounting portion 236 and part of the second surface of the sliding portion 237. The pin hole 233 and the connecting hole 235 are located on both sides of the adjustment groove 234. The adjustment groove 234 is also rectangular, and the direction of the long side of the adjustment groove 234 is perpendicular to the tangent direction of the guide groove 221. The object distance adjustment plate 24 slides in the adjustment groove 234, that is, the object distance adjustment plate 24 can drive the camera 30 to move in the long side direction of the mounting portion 236 and the sliding portion 237 to adjust the distance between the camera and the object.

[0038] The mounting portion 236 is provided with a strip-shaped adjustment hole 238 that passes through the first surface 231 and the second surface 232. The adjustment hole 238 is connected to the adjustment slot 234. Specifically, the direction of the adjustment hole is the same as the direction in which the object distance adjustment plate 24 slides in the adjustment slot 234, that is, the direction in which the long side of the adjustment slot 234 is located.

[0039] See also Figure 5 Correspondingly, a guide protrusion 241 is convexly provided on the surface of the object distance adjustment plate 24 close to the radial adjustment plate 23, and the guide protrusion 241 is opposite to the adjustment hole 238. The guide protrusion 241 is inserted into the adjustment hole 238 and the guide protrusion 241 can slide along the adjustment hole 238. The guide protrusion 241 passes through the adjustment hole 238 to connect the object distance adjustment plate 24 with the radial adjustment plate 23. The guide protrusion 241 slides along the adjustment hole 238, which can realize a guiding role in the process of adjusting the object distance, thereby preventing the object distance adjustment plate 24 from falling off the adjustment slot 234.

[0040] The camera 30 includes a camera body 31 and a mounting block 32 connected to the camera body 31. The mounting block 32 is fixed to the object distance adjustment plate 24. Specifically, the central axis of the camera body 31 is perpendicular to the tangent direction of the guide slot 221. By cleverly designing the orientation of the guide slot 221, the adjustment slot 234, and the camera body 31, the camera angle and object distance can be flexibly adjusted according to actual needs.

[0041] In summary, the camera adjustment device 100 provided by the present invention has an upper mounting plate 25 that can slide along the first slide groove 123, thereby driving the camera to move in the longitudinal direction of the first beam 121. The lower mounting plate 26 can slide along the second slide groove 124, thereby driving the camera to move in the longitudinal direction of the second beam 122, thereby adjusting the left and right position of the camera. The upper sliding hole 254 and the lower sliding hole 263 are both waist-shaped holes, thereby adjusting the front and back position of the camera. The radial adjustment plate 23 can move along the arc-shaped guide groove 221 on the angle adjustment plate 22, thereby driving the camera 30 to move in the arc direction, thereby adjusting the angle of the camera 30, namely, adjusting the posture of the camera. The object distance adjustment plate 24 can slide within the adjustment groove 234 to adjust the object distance of the camera. The present invention can adjust the four parameters of the camera: left and right, front and back, angle, and object distance, through a simple device, thereby adjusting the position and posture of the camera, and facilitating screen detection through the camera.

[0042] The above description is only an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A camera adjustment device, characterized in that:

7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein the adjusting plate is mounted on the front of the gear train and is located adjacent to the gear train of the wheel train. The wheel train is constructed so that when the gear train is in a state of being fully operational, the gear train will be able to move freely in the wheel train. When the gear train is in a state of being fully operational, the gear train will be easily retracted.

2. The camera adjustment device according to claim 1, wherein: The angle adjustment plate is also provided with an arc-shaped guide hole that passes through it. The guide holes are located on both sides of the guide groove, and the shape of the guide holes is the same as that of the guide groove; the radial adjustment plate is provided with a plurality of spaced connection holes, and the plurality of connection holes are opposite to the guide holes. The plurality of connection holes are used to insert connecting parts, and the connecting parts can be inserted into the guide holes and slide along the guide holes.

3. The camera adjustment device according to claim 2, wherein: The radial adjustment plate includes a mounting portion and a sliding portion connected to the mounting portion, the sliding portion abuts against the angle adjustment plate, and the pin hole and the connecting hole are provided on the sliding portion.

4. The camera adjustment device according to claim 3, wherein: The mounting portion is provided with a strip-shaped adjustment hole running through the first surface and the second surface. The adjustment hole is communicated with the adjustment slot. The direction of the adjustment hole is the same as the direction in which the object distance adjustment plate slides in the adjustment slot.

5. The camera adjustment device according to claim 4, wherein: A guide protrusion is provided on the surface of the object distance adjustment plate close to the radial adjustment plate. The guide protrusion is opposite to the adjustment hole. The guide protrusion is inserted into the adjustment hole and can slide along the adjustment hole.

6. The camera adjustment device according to claim 1, wherein: The angle adjustment plate includes a rectangular first connecting plate and a second connecting plate extended from one end of the first connecting plate, and the second connecting plate is arc-shaped; the mounting plate includes an upper mounting plate and a lower mounting plate, the upper mounting plate is connected to the first connecting plate, and the lower mounting plate is connected to the second connecting plate.

7. The camera adjustment device according to claim 6, wherein: The bracket includes several longitudinal beams arranged perpendicular to the horizontal plane and several cross beams connecting the longitudinal beams. The cross beams are perpendicular to the longitudinal beams. The adjustment mechanism is installed on the first cross beam and the second cross beam adjacent to each other above and below. The adjustment mechanism is located between the first cross beam and the second cross beam.

8. The camera adjustment device according to claim 7, wherein: The upper mounting plate includes an upper fixing portion, an upper mounting portion parallel to the upper fixing portion, and a supporting portion connecting the upper fixing portion and the upper mounting portion, the supporting portion being perpendicular to the upper fixing portion and the upper mounting portion, the supporting portion supporting the side surface of the first crossbeam, the upper fixing portion being connected and fixed to the first connecting plate, the upper mounting portion supporting the lower surface of the first crossbeam, the first crossbeam being provided with a first sliding groove in the length direction, the upper mounting portion being provided with a penetrating upper sliding hole, the upper sliding hole being positioned opposite to the first sliding groove, a pin being installed in the upper sliding hole and the pin being able to slide in the first sliding groove.

9. The camera adjustment device according to claim 7, wherein: The lower mounting plate includes a lower fixing portion and a lower mounting portion perpendicular to the lower fixing portion, the lower fixing portion is connected and fixed to the second connecting plate, the lower mounting portion abuts against the upper surface of the second beam, the second beam is provided with a second slide groove in the length direction, the lower mounting portion is provided with a penetrating downward sliding hole, the downward sliding hole is opposite to the second slide groove, a pin is installed in the downward sliding hole and the pin can slide in the second slide groove.

10. The camera adjustment device according to any one of claims 1 to 9, wherein: The camera includes a camera body and a mounting block connected to the camera body, and the mounting block is fixed on the object distance adjustment plate.

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