CN219275826U - Rail car of camera rail robot - Google Patents

Abstract

The utility model relates to a camera track robot railcar, which comprises a movable seat, wherein the movable seat is used for connecting a camera mechanical arm and can move on a track; the movable seat comprises a bottom plate; the driving device is a gear-rack mechanism and comprises a gear matched with a rack on the track and a motor for driving the gear, a sliding rail is arranged on the bottom plate and perpendicular to the extending direction of the track, and a sliding plate capable of sliding along the sliding rail is arranged on the sliding rail so that the sliding plate can move in the direction perpendicular to the track; the motor and the gear are arranged on the sliding plate, and the driving device locking mechanism is arranged on the bottom plate. The locking mechanism of the driving device has simple and reliable structure, and can smoothly switch the gear and the motor between a locking state close to the rack and a disengaging state away from the rack only by one-step operation.

Description

Rail car of camera rail robot

Technical Field

The utility model relates to the technical field of photographic equipment, in particular to a camera track robot and a translation track car thereof.

Background

Film and television dramas and various video products are often photographed using large-sized photographing devices. In the prior art, industrial robot manipulators are used for installing large-scale photographic equipment, the photographic equipment is installed on the hands of the manipulators, and the manipulators drive the photographic equipment to rotate and translate in various manners.

In some scenarios, the base of the manipulator needs to be moved along the track so that the camera can be moved as desired. The camera needs to be frequently switched to shoot scenes, needs to be frequently changed to different rails for installation and disassembly, and has higher requirements on the convenience degree of the installation and the disassembly of the manipulator. Meanwhile, as the camera is more expensive, in order to prevent equipment damage caused by unstable installation of the manipulator and the rail, the combination of the manipulator and the rail is also highly required.

For example, chinese patent publication No. CN 212617182U discloses a camera rail car convenient for disassembly and assembly, which comprises a bracket, the bracket can be contacted with a rail through a sliding seat, so that the rail car can move along the rail, a quick-disassembly structure is arranged above the bracket 5, and the camera 3 is installed with the bracket 5 through the quick-disassembly structure, so that the camera can be disassembled and assembled quickly from the quick-disassembly structure, but the bracket is still left on the rail. In a complex scenario with multiple rails, if the rack is light, the worker can lift and move the rack onto another rail, but when using a heavy robotic manipulator, the weight of the rack portion is also increased, and the worker cannot easily disassemble and move the rack portion.

Chinese patent publication No. CN 113691712A discloses a moving device for film and television shooting, which comprises a base and a track, wherein a rack is mounted on the track, the base can move on the track through a rack-and-pinion mechanism, the base comprises a bottom plate, a slide rail is arranged below the bottom plate, a driving mechanism capable of sliding along the slide rail is mounted on the slide rail, the driving mechanism comprises a motor, a speed reducer and a gear 403, and the gear 403 is driven by the motor to be matched with the rack so as to move on the track. The pressing mechanism can be used for pressing and matching or separating the driving mechanism and the rack. The technical scheme can realize smooth engagement and separation of the gear and the rack of the driving mechanism in the mounting or dismounting process, so that the assembly is more efficient, and the user can conveniently perform transition mounting.

However, the compressing mechanism in the scheme has the advantages of complex structure, high manufacturing cost and poor reliability. The compressing mechanism can be released and locked only by simultaneously disassembling and locking the two zooming pieces, and the operation is complex.

Disclosure of Invention

The utility model aims to solve the problem of providing a camera track robot railcar, which is convenient to operate when a gear is pressed to a rack, and has a simple and reliable structure of a locking mechanism of a driving device.

In order to solve the technical problems, the track car for the camera track robot comprises a movable seat, wherein the movable seat is used for connecting a camera mechanical arm and can move on a track; the movable seat comprises a bottom plate; the driving device is a gear-rack mechanism and comprises a gear matched with a rack on the track and a motor for driving the gear, a sliding rail is arranged on the bottom plate and perpendicular to the extending direction of the track, and a sliding plate capable of sliding along the sliding rail is arranged on the sliding rail so that the sliding plate can move in the direction perpendicular to the track; the motor and the gear are arranged on the sliding plate, the driving device locking mechanism is arranged on the bottom plate, one end of the driving device locking mechanism is connected with the sliding plate, the other end of the driving device locking mechanism is arranged on the bottom plate, and the driving device locking mechanism can pull the gear to be close to and push the gear to be away from the rack, so that the rack is meshed and separated; the driving device locking mechanism comprises a connecting rod connected to the sliding plate, a rotating wheel is arranged at the outer end of the connecting rod, the rotating wheel comprises a central shaft and a connecting shaft, the central shaft is arranged at the center of the rotating wheel, the connecting shaft is arranged outside the center of the rotating wheel, the connecting rod is arranged with the rotating wheel through the connecting shaft, the central shaft is arranged on the bottom plate, and a locking handle is arranged on the rotating wheel.

By adopting the technical scheme, the locking mechanism of the driving device is simple and reliable in structure, and the gear and the motor can be smoothly switched between a locking state close to the rack and a disengaging state away from the rack only by one-step operation. When the gear is required to be meshed with the rack in a closing way, the locking handle is rotated, the rotating wheel is rotated, the connecting shaft is rotated to a position far away from the side plate from a position close to the side plate, the connecting rod is pulled outwards, the sliding plate is driven to move outwards, and therefore the gear is meshed with the rack.

Preferably, the wheel is circular. The round rotating wheel can enable the rotating wheel to rotate more smoothly.

As a further improvement, a side plate is arranged on the side face of the bottom plate, an installation table is fixedly arranged on the side plate, the central shaft is installed on the installation table, and a strip hole for the connecting shaft to pass through is formed in the side plate.

The installation of the locking mechanism of the driving device can be facilitated by arranging the installation table.

As a further improvement, the end part of the locking handle is provided with a first connecting device, and the side plate is provided with a second connecting device matched with the first connecting device.

The connecting device of the locking handle is arranged and can keep the locking handle fixed in a locked or disengaged state.

As a further improvement, the first connecting devices are arranged at two sides of the locking handle, and two sides of the mounting table on the side plate are respectively provided with a second connecting device matched with the first connecting devices.

Connecting devices are arranged on two sides, and the locking handle can be connected to one side of the connecting rod when the connecting rod moves outwards to the farthest position; the locking handle may be attached to the other side when the connecting rod is moved inwardly to the maximum position. Can be locked in both the engaged and disengaged states of the gears.

As a further improvement, the connecting rod is connected with the sliding plate through a hinge shaft.

Because the outer end of the connecting rod is arranged on the rotating wheel, the rotating wheel can change the angle of the connecting rod when rotating, and the connecting rod is hinged with the sliding plate, so that the angle of the connecting rod can be conveniently changed.

As a further improvement, the second connecting device is a cylinder fixedly arranged on the side plate, and the height of the second connecting device is smaller than the distance from the center of the rotating wheel to the side plate.

The structure can fix the locking handle after the first connecting device is connected with the second connecting device, the outer end of the locking handle rotates a little towards the direction of the side plate, the rotating wheel drives the connecting rod to rotate by more than 180 degrees, and the gear can prevent rebound after being meshed with the rack.

As a further improvement, square mounting openings are formed in the bottom plate, the sliding rails are arranged on two side edges of the mounting openings, sliding plates are mounted on the two sliding rails, the gear is mounted below the bottom plate, and the motor is mounted above the bottom plate.

As a further improvement, the two ends of the sliding plate, which are close to the vertical sides, are respectively provided with a raising part, a sinking part is arranged between the raising parts at the two sides, the height of the raising part is higher than that of the sinking part, the bottom of the raising part is arranged on the sliding rail, the motor and the gear are arranged on the sinking part, and the gear is lower than the bottom plate.

After the structure is adopted, the locking mechanism of the driving device of the camera track robot railcar is simple and reliable in structure, and the gear and the motor can be smoothly switched between a locking state close to the rack and a disengaging state away from the rack only through one-step operation. When the gear is required to be meshed with the rack in a closing way, the locking handle is rotated, the rotating wheel is rotated, the connecting shaft is rotated to a position far away from the side plate from a position close to the side plate, the connecting rod is pulled outwards, the sliding plate is driven to move outwards, and therefore the gear is meshed with the rack.

The foregoing description is only a summary of the technical solutions of the present application, so that the technical means of the present application may be implemented according to the content of the specification, and so that the foregoing and other objects, features and advantages of the present application may be more clearly understood, the following detailed description of the preferred embodiments of the present application is given in conjunction with the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of the specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures.

Fig. 1 is a schematic structural view of a camera track robot of the present utility model.

Fig. 2 is a schematic structural view of a first embodiment of the slide plate.

Fig. 3 is a schematic structural view of a second embodiment of the sliding plate.

Fig. 4 is a top view of the bottom plate 51.

Fig. 5 is a bottom view of the camera railcar.

Fig. 6 is a side view of the base plate and the slide plate.

Fig. 7 is a schematic view of the installation of the base plate and the slide plate.

Fig. 8 is a top view of the locking mechanism.

Fig. 9 is a perspective view of the locking mechanism.

Reference numerals: the track 1, the mechanical arm 20, the camera cage 202, the moving base 2, the rack 3, the bottom plate 51, the gear 52, the mounting port 53, the vertical side 53a, the parallel side 53b, the motor 54, the slide rail 55, the slide plate 56, the raising portion 561, the sinking portion 562, the vertical plate 563, the locking mechanism 57, the second slider 58, the driving shaft 59, the driven gear 60, the rotating shaft 61, the connecting rod 62, the rotating wheel 63, the center shaft 64, the connecting shaft 65, the mounting table 66, the side plate 67, the elongated hole 68, the locking handle 69, the first connecting device 70, the second connecting device 71, the speed reducer 72, the fixing plate 73, the horizontal plate 74, the elongated hole 75.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the present application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "the present embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the "one embodiment" or "this embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.

The term "at least one" is herein merely an association relation describing an associated object, meaning that there may be three kinds of relations, e.g., at least one of a and B may represent: a exists alone, A and B exist together, and B exists alone.

It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.

As shown in fig. 1, the camera track robot of the present utility model includes a camera track 1 and a camera shooting device capable of being mounted on the camera track 1 and moving along the camera track 1, the camera shooting device includes a camera rail car, the camera rail car is mounted with a camera cage 202 through a mechanical arm 20, a camera is mounted in the camera cage 202, and a camera rail car of a camera track device described below.

As shown in fig. 3, the camera rail car of the present utility model includes a movable base 2, wherein the movable base 2 is used for connecting a camera mechanical arm 20 and can move on a rail 1; the mobile seat 2 comprises a bottom plate 51; the bottom plate 51 is provided with a driving device, the driving device is a rack-and-pinion mechanism, the driving device comprises a gear 52 matched with the rack 3 on the track 1 and a motor 54 for driving the gear 52, the motor 54 can be connected with a speed reducer 72, as shown in fig. 4, the bottom plate 51 is provided with a square mounting opening 53, the mounting opening 53 comprises two vertical edges 53a vertical to the extending direction of the track 1 and two parallel edges 53b parallel to the extending direction of the track 1, a sliding rail 55 is respectively arranged above the bottom plate 51 and close to the two vertical edges 53a, a sliding plate 56 is arranged on the two sliding rails 55, the motor 54 and the gear 52 are arranged on the sliding plate 55, the gear 52 is arranged below the bottom plate 51, and the motor 54 and the speed reducer 72 are arranged above the bottom plate 51; the bottom plate 54 is provided with a driving device locking mechanism 56, one end of the driving device locking mechanism 57 is connected with the sliding plate 56, the other end of the driving device locking mechanism 57 is arranged on the bottom plate 51, and the driving device locking mechanism 57 can pull the gear 52 to be close to and push the gear 52 to be away from the rack 3, so that the rack 3 is meshed and separated.

As shown in fig. 2, the slide plate 56 of the first embodiment is a flat plate. The locking mechanism may be installed at two ends or one end of the sliding plate 56, a fixing plate 73 is disposed at an end of the sliding plate 56, the fixing plate 73 is fixedly connected with the sliding portion 56, a horizontal plate 74 parallel to the sliding portion 56 is connected to the fixing plate, a long hole 75 is disposed on the horizontal plate 74, and a bolt (not shown in the figure) is installed on the long hole 75 and connected with the bottom plate. When it is necessary to engage the gear 52 with the rack 3, the slide plate 56 is pushed to the side of the rack 3, and after the engagement is in place, the bolts are tightened.

By adopting the above technical scheme, compare and install slide rail 55 and sliding plate 56 in the bottom of bottom plate 51, set up the mounting hole 53 on the bottom plate 51, can install slide rail 55 in the top of bottom plate 51, then install motor 54 in the top of bottom plate 51, only install gear 52 below the bottom plate 51. The bottom plate 51 can be installed closer to the bottom and is lower in position, so that the space above the bottom plate 51 is larger, more devices can be installed in the rail car moving seat 2, the gravity center of the rail car is lowered, and side turning is not easy to happen. The structure of the sliding rail 55 can be simpler, so that the sliding plate 56, the motor 54, the speed reducer, the gear 52 and other parts are pressed on the sliding rail 55, and the connecting structure between the sliding rail 55 and the second sliding block 58 can be free from bearing larger force, so that the structure is simple and reliable, and is not easy to fail.

As shown in fig. 3 and 6, both ends of the sliding plate 56 of the second embodiment are tilted. The two ends of the sliding plate 56, which are close to the vertical edge 53a, are respectively provided with a raising portion 561, a sinking portion 562 is arranged between the raising portions 561 on both sides, the height of the raising portion 561 is higher than that of the sinking portion 562, and the raising portion 561 is connected with the sinking portion 562 through a vertical plate 563. The bottom of the raising portion 561 is provided with a second slider 58, the second slider 58 is matched with the sliding rail 55, the second slider 58 is mounted on the sliding rail 55, and the motor and the gear are mounted on the sinking portion 562.

The second slider 58 may be replaced by a roller which is movable along the slide rail 55.

By adopting the above technical scheme, the structure similar to the U-shaped structure can be arranged, and the part provided with the motor 54 and the gear 52 is sunk, so that the position of the gear 52 can be lower, the driving shaft 59 of the gear 52 is shorter, and the gear 52 is more stable. The gear 52 is positioned below the lowermost edge of the bottom plate 51.

Since the driving shaft 59 passes through the bottom plate 51, the driving shaft 59 needs to connect the upper motor 54 to the bottom gear 52, the driving shaft 59 has a large length, and the locking mechanism 57 generates a certain thrust to the gear 52 when pressing the gear 52 against the rack 3, so that the driving shaft 59 generates a certain moment, and the connection structure of the motor 54, the driving shaft 59 and the gear 52 is affected. In order to solve the above-mentioned problems, as shown in fig. 5 and 7, a driven gear is mounted on the base plate 51, the driven gear 60 is engaged with the gear 52, and the driven gear 60 is engaged with the rack 52 so that the power on the gear 52 is transmitted to the driven gear 60.

By adopting the above technical scheme, the gear 52 transmits power to the driven gear 60, and since the rotating shaft 61 of the driven gear 60 can be mounted on the bottom plate 51, the length of the rotating shaft 61 is small, the moment is small, and the pressure generated by the locking mechanism 57 is not easy to deform the structure of the driven gear 60.

The diameter of the driven gear 60 may be set to be larger than the diameter of the gear 52, and the line connecting the center of the gear 52 and the center of the driven gear 60 (i.e., the line connecting the driving shaft 59 to the rotating shaft 61) is parallel or substantially parallel to the extending direction of the track 1, so that the pressure caused by the locking mechanism 57 is exerted on the driven gear 60 completely without any pressure applied to the gear 52.

Because the mechanical arm 20 and the camera are also arranged above the camera rail car, the weight of the rail car is also large, and the rail car is driven to move only by meshing one gear 52 with the rack 3, the moment vertical to the rail 1 is easy to generate to the rail car, the rail car is twisted when traveling, and therefore the sliding block 6 which is in contact with the rail 1 of the rail car is always in a non-parallel state with the rail, the sliding of the sliding block 6 and the rail 1 is not smooth, and the rail car is blocked.

In order to solve the above-mentioned problem, as shown in fig. 5 and 7, two driven gears 60 are provided, and are respectively disposed at two sides of the gears, the diameters of the two driven gears 60 are equal, the power of the gear 52 is transmitted to the two driven gears 60, and the two driven gears 60 are simultaneously meshed with the rack 3. The driven gears 60 are arranged on two sides of the gear 52, so that two driving stress points are arranged on the rack 3, compared with only one stress point, the torque perpendicular to the track 1 cannot be generated for the track car, the track car is prevented from twisting during traveling, the sliding block 6 which is in contact with the track car is prevented from being in a non-parallel state with the track 1, the sliding of the sliding block 6 and the track 1 is smooth, and the clamping of the track car is prevented from occurring during operation.

Compared with the gear 52, the driven gear 60 is closer to the rack 3, and through a large number of experiments, when the included angle between the connecting line of the driven gear 60 and the gear 52 and the extending direction of the track 1 is 20-40 degrees, the track car runs more smoothly; further selecting 25-35 degrees; the optimal angle is about 30 degrees.

The diameter of the two driven gears 60 may be set to be larger than the diameter of the gear 52, and the line connecting the center of the gear 52 and the center of the two driven gears 60 (i.e., the line connecting the driving shaft 59 to the rotation shaft 61) is parallel or substantially parallel to the extending direction of the track 1. This ensures that the gear 52 is not stressed and that two points of drive stress are achieved.

The driving device locking mechanism is arranged on the bottom plate, one end of the driving device locking mechanism is connected with the sliding plate, the other end of the driving device locking mechanism is arranged on the bottom plate, and the driving device locking mechanism can pull the gear close to and push the gear away from the rack, so that the rack is meshed and separated.

As shown in fig. 8 and 9, 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 with the rotating wheel 63 through the connecting shaft 65, the central shaft 64 is installed on an installation table 66, a side plate 67 is disposed on the side surface of the bottom plate 51, the installation table 66 is fixedly installed on the side plate 67, a long hole 68 for the connecting shaft 65 to pass through is provided on the side plate 67, and a locking handle 69 is installed on the rotating wheel 63.

The locking mechanism is simple and reliable in structure, and the gear and the motor can be smoothly switched between a locking state close to the rack and a disengaging state away from the rack only through one-step operation. When the gear 52 is required to be meshed with the rack adjacent to the rack 3, the locking handle 69 is rotated, the rotating wheel 63 is rotated, the connecting shaft 65 is rotated from a position close to the side plate to a position far away from the side plate, the connecting rod 62 is pulled outwards, the sliding plate 56 is driven to move outwards, and accordingly the gear is meshed with the rack.

The wheel 63 is circular. The circular wheel 63 may allow for smoother wheel rotation.

The end of the locking handle 69 is provided with a first connecting device 70, one side of the mounting table 66 on the side plate 67 is provided with a second connecting device 71 matched with the first connecting device 70, and the first connecting device 70 and the second connecting device 71 can be clamping buckles, so long as the two can be locked and unlocked. The first and second connection means 70, 71 may also be bolts.

The two sides of the mounting table on the side plate can be respectively provided with a second connecting device matched with the first connecting device, and the two sides of the mounting table are provided with connecting devices for locking handles, so that the locking handles can be kept fixed under the locking or disengaging state, and the two states of separating and combining the gear and the rack can be locked. The locking handle can be connected to one side of the connecting rod when the connecting rod moves outwards to the farthest position; the locking handle may be attached to the other side when the connecting rod is moved inwardly to the maximum position. Can be locked in both the engaged and disengaged states of the gears.

The connecting rod 62 is connected to the sliding plate 56 by a hinge shaft. Since the outer end of the connecting rod 62 is mounted on the rotating wheel 63, the rotating wheel 63 can change the angle of the connecting rod 62 when rotating, and the connecting rod 62 can be conveniently changed after being hinged with the sliding plate 56.

When it is necessary to contact the gear 52 with the rack 3, the locking handle 69 is rotated so that the connecting shaft 65 is far away from the side plate 67, so that the connecting rod 62 drives the sliding plate 56 to slide along the slide rail 55, so that the gear 52 or the driven gear 60 approaches the rack 3 and meshes with the rack 3, and then the first connecting device 70 and the second connecting device 71 are well locked, so that the gear 52 or the driven gear 6 is in a contact and locking state with the rack 3. When the gear 52 needs to be separated from the rack 3, the first connecting device 70 and the second connecting device 71 are released, and the locking handle 69 is rotated so that the connecting shaft 65 is close to the side plate 67, and the connecting rod 62 drives the sliding plate 56 to slide along the sliding rail 55, so that the gear 52 or the driven gear 60 is separated from the rack 3 and separated from the rack 3. The first coupling means 70 is then locked in engagement with the second coupling means 71 on the other side so that the gear 52 or the rack 3 of the driven gear 6 is in a disengaged and locked state. The camera railcar may be lifted and off the track at this point. So that the pinion and the rack 3 do not affect the disassembly of the camera railcar.

The second connecting device 71 is a cylinder fixedly arranged on the side plate 67, and the height of the second connecting device 71 is smaller than the distance from the center of the rotating wheel 63 to the side plate 67. This arrangement allows the locking handle 69 to be secured after the first and second attachment means are attached. When the connecting shaft 65 rotates to the outermost end of the rotating wheel, the pressure between the gear and the rack is the greatest, the locking handle is forcibly broken, the outer end of the locking handle 69 rotates to the direction of the side plate, a certain elasticity exists between the parts, when the rotating wheel 63 drives the connecting rod 62 to rotate more than 180 degrees, the first connecting device 70 is locked with the second connecting device 71, the gear is meshed with the rack, and therefore the resilience force between the gear and the rack can be reduced, and the pressure when the first connecting device 70 is locked with the second connecting device 71 is reduced.

The above description is only for the preferred embodiments of the present utility model and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. Any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model fall within the protection scope of the present utility model.

Claims (9)

1. A camera track robot railcar comprises a movable seat, wherein the movable seat is used for connecting a camera mechanical arm and can move on a track; the movable seat comprises a bottom plate;

the bottom plate is provided with a driving device which is a gear-rack mechanism, the driving device comprises a gear matched with a rack on a track and a motor for driving the gear,

the method is characterized in that: the bottom plate is provided with a sliding rail, the sliding rail is perpendicular to the extending direction of the rail, and a sliding plate capable of sliding along the sliding rail is arranged on the sliding rail, so that the sliding plate can move in the direction perpendicular to the rail;

a motor and a gear are arranged on the sliding plate,

the driving device locking mechanism is arranged on the bottom plate, one end of the driving device locking mechanism is connected with the sliding plate, the other end of the driving device locking mechanism is arranged on the bottom plate, and the driving device locking mechanism can pull the gear close to and push the gear away from the rack, so that the rack is meshed and separated;

the driving device locking mechanism comprises a connecting rod connected to the sliding plate, a rotating wheel is arranged at the outer end of the connecting rod, the rotating wheel comprises a central shaft and a connecting shaft, the central shaft is arranged at the center of the rotating wheel, the connecting shaft is arranged outside the center of the rotating wheel, the connecting rod is arranged with the rotating wheel through the connecting shaft, the central shaft is arranged on the bottom plate, and a locking handle is arranged on the rotating wheel.

2. The camera track robot railcar of claim 1, wherein: the rotating wheel is round.

3. The camera track robot railcar of claim 2, wherein: the side of the bottom plate is provided with a side plate, the side plate is fixedly provided with an installation table, the central shaft is installed on the installation table, and the side plate is provided with a strip hole for the connecting shaft to pass through.

4. A camera track robot railcar according to claim 3, wherein: the end part of the locking handle is provided with a first connecting device, and the side plate is provided with a second connecting device matched with the first connecting device.

5. The camera track robot railcar according to claim 4, wherein: the first connecting devices are arranged on two sides of the locking handle, and second connecting devices matched with the first connecting devices are respectively arranged on two sides of the mounting table on the side plate.

6. The camera track robot railcar of claim 4 or 5, wherein: the connecting rod is connected with the sliding plate through a hinge shaft.

7. The camera track robot railcar of claim 4 or 5, wherein: the second connecting device is a cylinder fixedly arranged on the side plate, and the height of the second connecting device is smaller than the distance from the center of the rotating wheel to the side plate.

8. The camera track robot railcar of claim 7, wherein: the motor is characterized in that square mounting openings are formed in the bottom plate, the sliding rails are arranged on two side edges of the mounting openings, sliding plates are mounted on the two sliding rails, the gear is mounted below the bottom plate, and the motor is mounted above the bottom plate.

9. The camera track robot railcar of claim 8, wherein: the mounting port comprises two perpendicular sides perpendicular to the extending direction of the track and two parallel sides parallel to the extending direction of the track, the sliding plate is close to the two ends of the perpendicular sides and is respectively provided with a raising part, a sinking part is arranged between the raising parts on the two sides, the height of the raising part is higher than that of the sinking part, the bottom of the raising part is mounted on the sliding rail, the motor and the gear are mounted on the sinking part, and the gear is lower than the bottom plate.

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