A camera rail robot and a camera rail car thereof

Abstract

The application relates to a camera track robot and a camera track vehicle thereof, which comprises a moving seat, the moving seat comprising a bottom plate; a gear and rack mechanism is installed on the moving seat; a driving device comprises a gear matched with a rack on a track and a motor driving the gear; a square mounting port is arranged on the bottom plate; a slide rail is arranged on the bottom plate above two vertical edges; a slide plate is installed on the two slide rails; a motor and a gear are installed on the slide plate; the gear is installed below the bottom plate, and the motor is installed above the bottom plate; a driving device locking mechanism is arranged on the bottom plate; one end of the driving device locking mechanism is connected with the slide plate, and the other end is installed on the bottom plate; the driving device locking mechanism can pull the gear close to the rack and push the gear away from the rack. The bottom plate can be installed closer to the bottom, so that the space above the bottom plate is larger, more equipment can be installed in the inside of the track vehicle base, and the track vehicle is not easy to overturn due to the lowered gravity center.

Description

Technical Field

[0001] This invention relates to the field of photographic equipment technology, and in particular to a camera track robot and its translation track vehicle. Background Technology

[0002] Large-scale photography and videography equipment is frequently used in the filming of movies, TV dramas, and various video products. Current technology utilizes industrial robotic arms to mount this equipment, placing it on the robotic arm's hand, which then drives the equipment to perform various rotations and translations.

[0003] In some scenarios, the robotic arm's base needs to move along a track to allow the camera to move as required. Cameras frequently need to switch shooting scenes and be installed and removed from different tracks, placing high demands on the ease of installation and removal of the robotic arm. Furthermore, due to the high cost of cameras, the fit between the robotic arm and the track must be carefully controlled to prevent damage caused by unstable installation.

[0004] For example, Chinese invention patent publication number CN 212617182U discloses a camera track vehicle that is easy to assemble and disassemble, including a bracket. The bracket can contact the track via a slide, allowing the track vehicle to move along the track. A quick-release structure is provided on the top of the bracket 5, and the camera 3 is installed on the bracket 5 through the quick-release structure. The camera can be quickly assembled and disassembled from the quick-release structure, but its bracket remains on the track. In complex scenarios with multiple tracks, if the bracket is light, the operator can lift the bracket and move it to another track. However, when using a heavy robotic arm, the weight of the bracket also needs to be increased, making it difficult for the operator to easily assemble, disassemble, and move the bracket.

[0005] Chinese invention patent publication number CN 113691712A discloses a motion device for film and television shooting, including a base and a track. A rack is installed on the track, and the base can move on the track via a gear and rack mechanism. The base includes a base plate, and a slide rail is set below the base plate. A drive mechanism that can slide along the slide rail is installed on the slide rail. The drive mechanism includes a motor, a reducer, and a gear 403. The motor drives the gear 403 to engage with the rack, thereby moving on the track. A clamping mechanism can clamp or separate the drive mechanism and the rack. The above technical solution can achieve smooth engagement and disengagement of the gear and rack of the drive mechanism during installation or disassembly, making assembly more efficient and facilitating users' relocation and installation.

[0006] However, the above-mentioned design involves installing too many components beneath the base plate, preventing it from being installed too low. Raising the base plate results in extremely limited internal space, making it impossible to install control mechanisms and other devices. Furthermore, maintenance of the drive mechanism is very inconvenient. Additionally, the excessive height of the base plate necessitates the installation of robotic arms and cameras on the top of the railcar, leading to a high center of gravity and a high risk of tipping over. The track requires the hoisting of sliding plates, motors, gearboxes, gears, and other components, all of which must be supported by the connection between the track and the slider. This makes the slider prone to wear and malfunction. Summary of the Invention

[0007] The problem to be solved by the present invention is to provide a camera track robot and its camera track vehicle. The internal space of the base of the track vehicle is large enough to install more equipment that moves with the track vehicle. The center of gravity of the track vehicle is lowered, making it less prone to tipping over and failure.

[0008] To solve the above-mentioned technical problems, the camera track carriage of the present invention includes a movable seat for connecting a camera robotic arm and being able to move on a track; the movable seat includes a base plate; a driving device is installed on the movable seat, the driving device being a gear and rack mechanism, the driving device including a gear matching the rack on the track and a motor driving the gear; the base plate has a square mounting opening, the mounting opening including two vertical sides perpendicular to the track extension direction and two parallel sides parallel to the track extension direction; a slide rail is provided above the base plate near each of the two vertical sides, a sliding plate is installed on the two slide rails, and a motor and a gear are installed on the sliding plate; the gear is installed below the base plate, and the motor is installed above the base plate; a driving device locking mechanism is provided on the base plate, one end of the driving device locking mechanism is connected to the sliding plate, and the other end is installed on the base plate; the driving device locking mechanism can pull the gear closer to and push away from the rack, so that the rack engages and disengages.

[0009] By adopting the above technical solution, compared to installing the slide rail and sliding plate at the bottom of the base plate, a mounting opening is provided on the base plate, allowing the track to be installed above the base plate, and then the motor to be installed above the base plate, with only the gears installed below the base plate. The base plate can be installed closer to the bottom, resulting in more space above it, allowing for the installation of more equipment inside the railcar base. The center of gravity of the railcar is also lowered, making it less prone to tipping over. This structure also simplifies the track structure, as the sliding plate, motor, reducer, gears, and other components are all resting on the slide rail. This reduces the stress on the connection structure between the slide rail and the slider, resulting in a simple, reliable structure less prone to failure.

[0010] As a further improvement, the sliding plate has raised portions at both ends near the vertical edge, and a recessed portion between the raised portions on both sides. The height of the raised portions is higher than that of the recessed portion. The bottom of the raised portions is mounted on the slide rail, and the motor and gear are mounted on the recessed portion.

[0011] By adopting the above technical solution, a U-shaped structure can be designed, and the part that installs the motor and gears can be lowered, so that the gear position can be lower, the gear drive shaft can be shorter, and the gear can be more stable.

[0012] As a further improvement, the gear is positioned below the base plate.

[0013] As a further improvement, a second slider is provided at the bottom of the raised portion, and the second slider matches the slide rail.

[0014] Because the drive shaft passes through the base plate and needs to connect the upper motor to the lower gear, the drive shaft is quite long. When the locking mechanism presses the gear onto the rack, it generates a certain thrust on the gear, resulting in a torque on the drive shaft. This affects the connection structure between the motor, drive shaft, and gear. To solve this problem, a further improvement was made: a driven gear is installed on the base plate. This driven gear meshes with the gear, and the meshing of the driven gear with the rack allows the power from the gear to be transmitted to the driven gear.

[0015] By adopting the above technical solution, the gear transmits power to the driven gear. Since the shaft of the driven gear can be mounted on the base plate, the shaft is short and has a small torque. The pressure generated by the locking mechanism is not likely to cause structural deformation of the driven gear.

[0016] Because a robotic arm and a camera need to be installed on top of the camera track car, and the track car itself is also quite heavy, the track car is driven by only one gear and rack meshing. This can easily generate a torque perpendicular to the track, causing the track car to twist when it moves. As a result, the second slider that contacts the track car is often not parallel to the track, causing the sliding between the second slider and the track to be uneven, resulting in the track car getting stuck.

[0017] To address the aforementioned issues, further improvements were made. Two driven gears were installed, one on each side of the gear, so that the power of the gear was transmitted to the two driven gears, which simultaneously meshed with the rack.

[0018] By setting driven wheels on both sides, the rack has two driving force points. Compared to having only one force point, this prevents the railcar from generating a torque perpendicular to the rail, thus preventing the railcar from twisting during movement. It also prevents the second slider, which contacts the railcar, from being constantly out of parallel with the rail, ensuring smooth sliding between the second slider and the rail and preventing the railcar from jamming.

[0019] Preferably, the angle between the line connecting the driven gear and the gear and the extension direction of the track is any one of the following ranges:

[0020] (a) 20-40 degrees;

[0021] (b) 25-35 degrees;

[0022] (c) 30 degrees.

[0023] Through numerous experiments, it was found that within the aforementioned angular ranges, the sliding of the second slider on the track is smoother.

[0024] The locking mechanism of the drive device includes a connecting rod connected to the sliding plate. A rotating wheel is installed at the outer end of the connecting rod. The rotating wheel includes a central shaft and a connecting shaft located at the center of the rotating wheel. The connecting shaft is located outside the center of the rotating wheel. The connecting rod is installed to the rotating wheel through the connecting shaft. The central shaft is installed on the mounting platform. A side plate is provided on the side of the base plate. The mounting platform is fixedly installed on the side plate. The side plate is provided with an elongated hole for the connecting shaft to pass through. A locking handle is installed on the rotating wheel.

[0025] This locking mechanism is simple and reliable. It can smoothly switch the gear and motor between the locked state near the rack and the disengaged state away from the rack with just one operation.

[0026] The end of the locking handle is provided with a first connecting device, and one side of the mounting platform on the side plate is provided with a second connecting device that matches the first connecting device;

[0027] Alternatively, the end of the locking handle is provided with a first connecting device, and each side of the mounting platform on the side plate is provided with a second connecting device that matches the first connecting device.

[0028] The connecting device with locking handles on both sides can keep the locking handles fixed in the locked or disengaged state.

[0029] The present invention also relates to a camera track robot, comprising a camera track device and a photography and videography device capable of being mounted on the camera track device and moving along the camera track device, the photography and videography device comprising a camera track vehicle, the camera track vehicle mounting a camera via a robotic arm, the camera track vehicle being the aforementioned camera track vehicle.

[0030] With this structure, the camera track carriage of the present invention has a mounting port on the base plate, allowing the track to be installed above the base plate. The motor is then installed above the base plate, with only gears installed below it. The base plate can be installed closer to the bottom, resulting in more space above it, allowing for the installation of more equipment inside the track carriage base. The lower center of gravity of the track carriage also reduces the risk of tipping over. This structure also simplifies the track structure, as the sliding plate, motor, reducer, gears, and other components are all resting on the slide rail. This reduces the stress on the connection between the slide rail and the second slider, resulting in a simple, reliable structure less prone to failure.

[0031] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the preferred embodiments of this application are described in detail below with reference to the accompanying drawings.

[0032] The above and other objects, advantages and features of this application will become more apparent to those skilled in the art from the following detailed description of specific embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In all drawings, similar elements or parts are generally identified by similar reference numerals.

[0034] Figure 1 This is a schematic diagram of the camera track robot of the present invention.

[0035] Figure 2 This is a structural schematic diagram of the first embodiment of the sliding plate.

[0036] Figure 3 This is a schematic diagram of the second embodiment of the sliding plate.

[0037] Figure 4 This is a top view of the base plate 51.

[0038] Figure 5 This is a bottom view of the camera track vehicle.

[0039] Figure 6 This is a side view of the base plate and sliding plate.

[0040] Figure 7 This is a schematic diagram of the installation of the base plate and sliding plate.

[0041] Figure 8 This is a top view of the locking mechanism.

[0042] Figure 9 This is a 3D view of the locking mechanism.

[0043] Reference numerals: Track 1, robotic arm 20, camera cage 202, moving seat 2, rack 3, base plate 51, gear 52, mounting port 53, vertical side 53a, parallel side 53b, motor 54, slide rail 55, sliding plate 56, raised part 561, sunken part 562, vertical plate 563, locking mechanism 57, second slider 58, drive shaft 59, driven gear 60, rotating shaft 61, connecting rod 62, rotating wheel 63, central shaft 64, connecting shaft 65, mounting platform 66, side plate 67, elongated hole 68, locking handle 69, first connecting device 70, second connecting device 71, reducer 72, fixed plate 73, horizontal plate 74, elongated hole 75. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to help fully understand the embodiments of this application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of this application. In addition, for clarity and brevity, descriptions of known functions and structures are omitted in the embodiments.

[0045] It should be understood that the phrase "an embodiment" or "this embodiment" throughout the specification means that a specific feature, structure, or characteristic related to the embodiment is included in at least one embodiment of this application. Therefore, "an embodiment" or "this embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. Furthermore, these specific features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0046] Furthermore, reference numerals and / or letters may be repeated in different examples within this application. Such repetition is for the purpose of simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or settings discussed.

[0047] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another type of relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

[0048] In this article, the term "at least one" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, "at least one of A and B" can mean: A exists alone, A and B exist simultaneously, or B exists alone.

[0049] It should also be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion.

[0050] like Figure 1 As shown, the camera track robot of the present invention includes a camera track 1 and a photography and video equipment that can be installed on the camera track 1 and move along the camera track 1. The photography and video equipment includes a camera track vehicle. The camera track vehicle is equipped with a camera cage 202 by a robotic arm 20. The camera cage 202 is equipped with a camera. The camera track device is the camera track vehicle described below.

[0051] like Figure 3 As shown, the camera track vehicle of the present invention includes a movable seat 2, which is used to connect the camera robotic arm 20 and can move on the track 1; the movable seat 2 includes a base plate 51; a driving device is installed on the base plate 51, the driving device is a gear and rack mechanism, the driving device includes a gear 52 that matches the rack 3 on the track 1 and a motor 54 that drives the gear 52, the motor 54 can also be connected to a reducer 72, such as Figure 4As shown, the base plate 51 has a square mounting opening 53, which includes two vertical sides 53a perpendicular to the extension direction of the track 1 and two parallel sides 53b parallel to the extension direction of the track 1. A slide rail 55 is provided on the upper part of the base plate 51 near each of the two vertical sides 53a. A sliding plate 56 is mounted on the two slide rails 55. A motor 54 and a gear 52 are mounted on the sliding plate 55. The gear 52 is mounted below the base plate 51, and the motor 54 and a reducer 72 are mounted above the base plate 51. A drive device locking mechanism 56 is provided on the base plate 54. One end of the drive device locking mechanism 57 is connected to the sliding plate 56, and the other end is mounted on the base plate 51. The drive device locking mechanism 57 can pull the gear 52 closer to and push it away from the rack 3, causing the rack 3 to engage and disengage.

[0052] like Figure 2 As shown, the sliding plate 56 in the first embodiment is a flat plate. A locking mechanism can be installed at both ends or one end of the sliding plate 56. A fixing plate 73 is provided at one end of the sliding plate 56, and the fixing plate 73 is fixedly connected to the sliding part 56. A horizontal plate 74 parallel to the sliding part 56 is connected to the fixing plate. An elongated hole 75 is provided on the horizontal plate 74, and a bolt (not shown in the figure) is installed in the elongated hole 75, connecting to the base plate. When it is necessary to engage the gear 52 with the rack 3, the sliding plate 56 is pushed towards the rack 3. After engagement, the bolt is tightened.

[0053] By adopting the above technical solution, compared to installing the slide rail 55 and sliding plate 56 at the bottom of the base plate 51, by providing the mounting port 53 on the base plate 51, the slide rail 55 can be installed above the base plate 51, and then the motor 54 can be installed above the base plate 51, with only the gear 52 installed below the base plate 51. The base plate 51 can be installed closer to the bottom, at a lower position, thus making the space above the base plate 51 larger, allowing more equipment to be installed inside the railcar moving seat 2. The center of gravity of the railcar is lowered, making it less prone to tipping over. This structure also simplifies the structure of the slide rail 55, allowing components such as the sliding plate 56, motor 54, reducer, and gear 52 to all rest on the slide rail 55. This means that the connection structure between the slide rail 55 and the second slider 58 does not need to bear a large force, making the structure simple, reliable, and less prone to failure.

[0054] like Figure 3 and Figure 6As shown, in the second embodiment, the sliding plate 56 has curved ends. The sliding plate 56 has curved portions 561 at both ends near the vertical edge 53a, and a recessed portion 562 is located between the curved portions 561. The height of the curved portions 561 is higher than that of the recessed portion 562, and the curved portions 561 and the recessed portion 562 are connected by a vertical plate 563. A second slider 58 is installed at the bottom of the curved portion 561, and the second slider 58 matches the slide rail 55. The second slider 58 is mounted on the slide rail 55, and the motor and gear are mounted on the recessed portion 562.

[0055] The second slider 58 can also be replaced by a roller, which can move along the slide rail 55.

[0056] By adopting the above technical solution, the structure can be configured in a U-shape, with the portion housing the motor 54 and gear 52 lowered. This allows the gear 52 to be positioned further down, resulting in a shorter drive shaft 59 and greater stability for the gear 52. The gear 52 should be positioned below the lowest edge of the base plate 51.

[0057] Because the drive shaft 59 passes through the base plate 51, it needs to connect the upper motor 54 to the lower gear 52. The drive shaft 59 is relatively long, and when the locking mechanism 57 presses the gear 52 onto the rack 3, it generates a certain thrust on the gear 52, resulting in a certain torque on the drive shaft 59. This affects the connection structure between the motor 54, drive shaft 59, and gear 52. To solve this problem, further improvements were made, such as... Figure 5 and Figure 7 As shown, a driven gear 60 is installed on the base plate 51. The driven gear 60 meshes with the gear 52, and the driven gear 60 meshes with the rack 52 so that the power on the gear 52 is transmitted to the driven gear 60.

[0058] By adopting the above technical solution, gear 52 transmits power to driven gear 60. Since the shaft 61 of driven gear 60 can be mounted on base plate 51, the shaft 61 has a small length and small torque, and the pressure generated by locking mechanism 57 is not likely to deform the structure of driven gear 60.

[0059] The diameter of the driven gear 60 can be set to be larger than that of the gear 52. The line connecting the center of the gear 52 and the center of the driven gear 60 (that is, the line connecting the drive shaft 59 and the rotating shaft 61) is parallel or substantially parallel to the extension direction of the track 1. In this way, the pressure brought by the locking mechanism 57 will be fully applied to the driven gear 60, while the gear 52 will not be subjected to any pressure.

[0060] Because a robotic arm 20 and a camera need to be installed on top of the camera track car, and the track car itself is also quite heavy, the track car is driven by only one gear 52 meshing with the rack 3. This can easily generate a torque perpendicular to the track 1 on the track car, causing the track car to twist when it moves. As a result, the slider 6 that contacts the track car and the track 1 is often not parallel to the track, causing the slider 6 to slide unevenly with the track 1, resulting in the track car getting stuck.

[0061] To address the aforementioned issues, further improvements were made, such as... Figure 5 and Figure 7 As shown, two driven gears 60 are provided, respectively located on both sides of the gear 52. The two driven gears 60 have the same diameter, and the power of the gear 52 is transmitted to the two driven gears 60. Both driven gears 60 mesh with the rack 3 simultaneously. Having driven gears 60 on both sides of the gear 52 provides two driving force points on the rack 3. Compared to having only one force point, this prevents the railcar from generating a torque perpendicular to the track 1, thus preventing the railcar from twisting during movement and preventing the slider 6, which contacts the track, from being non-parallel to the track 1. This ensures smooth sliding between the slider 6 and the track 1 and prevents the railcar from jamming.

[0062] The driven gear 60 is closer to the rack 3 than the gear 52. After a lot of experiments, the railcar runs more smoothly when the angle between the line connecting the driven gear 60 and the gear 52 and the extension direction of the track 1 is 20-40 degrees; further, 25-35 degrees is selected; the optimal angle is about 30 degrees.

[0063] The diameters of the two driven gears 60 can be set to be larger than the diameter of gear 52, and the line connecting the center of gear 52 and the centers of the two driven gears 60 (that is, the line connecting the drive shaft 59 and the rotating shaft 61) is parallel or substantially parallel to the extension direction of the track 1. This ensures that gear 52 is not subjected to force, while also achieving two driving force points.

[0064] like Figure 8 and Figure 9 As shown, the locking mechanism 57 of the driving device includes a connecting rod 62 connected to the sliding plate 56. A rotating wheel 63 is installed at the outer end of the connecting rod 62. The rotating wheel 63 includes a central shaft 64 and a connecting shaft 65 disposed at the center of the rotating wheel 63. The connecting shaft 65 is disposed outside the center of the rotating wheel 63. The connecting rod 62 is installed to the rotating wheel 63 through the connecting shaft 65. The central shaft 64 is installed on the mounting platform 66. A side plate 67 is provided on the side of the base plate 51. The mounting platform 66 is fixedly installed on the side plate 67. The side plate 67 is provided with an elongated hole 68 for the connecting shaft 65 to pass through. A locking handle 69 is installed on the rotating wheel 63.

[0065] This locking mechanism is simple and reliable. It can smoothly switch the gear and motor between the locked state near the rack and the disengaged state away from the rack with just one operation.

[0066] The end of the locking handle 69 is provided with a first connecting device 70, and one side of the mounting platform 66 on the side plate 67 is provided with a second connecting device 71 that matches the first connecting device 70. The first connecting device 70 and the second connecting device 71 can be snap-fit, as long as they can be locked and released.

[0067] Alternatively, a second connecting device matching the first connecting device can be provided on each side of the mounting platform on the side plate. A locking handle connecting device is provided on both sides, which can keep the locking handle fixed in the locked or disengaged state. Both the disengaged and engaged states of the gear and rack can be locked.

[0068] When gear 52 needs to engage with rack 3, rotate locking handle 69 to move connecting shaft 65 away from side plate 67. This causes connecting rod 62 to slide sliding plate 56 along slide rail 55, bringing gear 52 or driven gear 60 closer to rack 3 and engaging it. Then, connect and lock first connecting device 70 and second connecting device 71, placing gear 52 or driven gear 60 in a contact and locked state with rack 3. When gear 52 needs to disengage from rack 3, release first connecting device 70 from second connecting device 71, rotate locking handle 69 to move connecting shaft 65 closer to side plate 67. This causes connecting rod 62 to slide sliding plate 56 along slide rail 55, moving gear 52 or driven gear 60 away from rack 3 and disengaging it. Then, connect and lock first connecting device 70 to second connecting device 71 on the other side, placing gear 52 or driven gear 60 in a disengaged and locked state with rack 3. At this point, the camera track carriage can be lifted and removed from the track. In this way, the gear and rack 3 will not affect the disassembly of the camera track vehicle.

[0069] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall fall within the protection scope of the present invention.

Claims

1. A camera track vehicle, comprising a movable base for connecting a camera robotic arm and capable of moving on a track. The movable seat includes a base plate; A drive device is mounted on the base plate. The drive device is a gear and rack mechanism. The drive device includes components connected to the track. The rack and pinion are matched with the gears and the motor that drives the gears. Its features are: The base plate is provided with a square mounting opening, which includes two perpendicular to the extension of the track. The base plate has a vertical side and two parallel sides parallel to the extension direction of the track. A slide rail is provided above the base plate near the two vertical sides. A sliding plate is installed on the two slide rails. A motor and a gear are installed on the sliding plate. The gear is installed below the base plate and the motor is installed above the base plate. A drive device locking mechanism is provided on the base plate. One end of the drive device locking mechanism is connected to the sliding plate, and the other end is installed on the base plate. The drive device locking mechanism can pull the gear closer to and push away the rack, so that the rack meshes and disengages. The sliding plate has raised portions at both ends near the vertical edge, and a recessed portion between the raised portions on both sides. The height of the raised portions is higher than that of the recessed portion. The bottom of the raised portions is mounted on the slide rail, and the motor and gear are mounted on the recessed portion. The gear is lower than the base plate; The bottom of the raised portion is provided with a second slider, which matches the slide rail; A driven gear is mounted on the base plate. The driven gear meshes with the gear, and the driven gear meshes with the rack, so that the power on the gear is transmitted to the driven gear. Two driven gears are provided, respectively located on both sides of the gear, so that the power of the gear is transmitted to the two driven gears, and the two driven gears mesh with the rack simultaneously; The angle between the line connecting the driven gear and the gear and the extension direction of the track is 25-35 degrees; The locking mechanism of the drive device includes a connecting rod connected to the sliding plate. A rotating wheel is installed at the outer end of the connecting rod. The rotating wheel includes a central shaft and a connecting shaft located at the center of the rotating wheel. The connecting shaft is located outside the center of the rotating wheel. The connecting rod is installed to the rotating wheel through the connecting shaft. The central shaft is installed on the mounting platform. A side plate is provided on the side of the base plate. The mounting platform is fixedly installed on the side plate. The side plate is provided with an elongated hole for the connecting shaft to pass through. A locking handle is installed on the rotating wheel.

2. The camera track vehicle according to claim 1, characterized in that: The locking handle has a first connecting device at its end, and the mounting platform on the side plate has a second connecting device that matches the first connecting device; or, The end of the locking handle is provided with a first connecting device, and each side of the mounting platform on the side plate is provided with a second connecting device that matches the first connecting device.

3. A camera track robot, comprising a camera track device and a camera / video recording device capable of being mounted on and moving along the camera track device, the camera / video recording device comprising a camera track carriage, the camera track carriage mounting a camera via a robotic arm, characterized in that: The camera track vehicle is the camera track vehicle as described in claim 1 or 2.

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