Intelligent audio-video data transmission device

Abstract

The application discloses an audio and video data intelligent transmission device, which comprises a slot type frame and a hard disk protection box. A C-shaped ring is arranged in the slot type frame and close to an open end. The C-shaped ring and the slot type frame are in rotary and longitudinal sliding cooperation. Two opposite belt conveyors are arranged at the open end of the C-shaped ring. The two belt conveyors are arranged in parallel and constitute an actuator with the functions of clamping and conveying the hard disk protection box. In the application, the slot type frame is arranged, a row of longitudinal storage slots are arranged in the slot type frame, the storage slots are used for storing the hard disk protection box, then the C-shaped ring close to the open end is arranged in the slot type frame, two belt conveyors are arranged at the open end of the C-shaped ring, the belt conveyors have the functions of clamping, releasing and conveying the hard disk protection box, and the C-shaped ring has the functions of rotation and longitudinal sliding. The arrangement makes the device have the functions of automatically controlling the butt joint of the hard disk protection box and the storage slot and the plug-in and plug-out of the transmission assembly outside, and manual participation is not needed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of audio and video data storage and transmission, and particularly relates to an audio and video data intelligent transmission device. BACKGROUND

[0002] In the prior art, the storage device for audio and video data directly stacks the hard disks recorded with a large amount of audio and video data in the interior of the hard disk box for closing, but this scheme needs to open the entire storage device when one of the data storage hard disks needs to be used, and then manually connects, which is a cumbersome process that needs to interfere with the storage state of multiple hard disks, and can only provide a single storage function, and cannot provide efficient operation assistance in subsequent data connection, transmission, heat dissipation and re-plugging storage processes. At present, there are storage devices on the market that can store and transmit a large number of hard disks, which have the functions of storing a large number of hard disks and controlling the data connection of the hard disks, and then the device needs more manual work, and has the problem of poor transmission reliability.

[0003] For example, the invention application with publication number CN119400218A proposes an audio and video data storage device, relating to the technical field of data storage, comprising a storage device body, the storage device body comprising a storage bin, a forced air cooling assembly, a positioning mechanism and a transmission assembly, a plurality of plug-in channels are formed in the interior of the storage bin, a partition plate is inserted on the top of the plug-in channel, a flow guide cavity is formed on the top of the partition plate, a heat dissipation mechanism is embedded at the bottom of the flow guide cavity, a cover plate is hinged on the outside of the plug-in channel, an outer air outlet is formed on the surface of the cover plate, and a lifting channel is formed in the interior of the rear end of the storage bin. The audio and video data storage device improves the unity of data management, and the heat dissipation mechanism is linked and controlled by the switching mechanism, which can quickly connect the audio and video data hard disk at any position and provide targeted heat dissipation treatment, and also provides clamping effect in the connected state, improving the stability and reliability in the connection and transmission process.

[0004] However, the above prior art still has the following problems in use: 1. Low intelligent automation, specifically, when one of the hard disks needs to be extracted, the hard disk needs to be pressed manually to be plugged with the transmission assembly, and after use, the hard disk needs to be pulled out manually, which requires more manual work; 2. The transmission assembly provided in the above prior art has the function of moving up and down, and in actual use, the transmission assembly needs to be matched with a data cable, and the transmission assembly needs to provide a certain amount of slack when moving, and the transmission assembly will pull the cable when moving, which may cause the cable to be easily detached or damaged, thereby affecting the reliability of the transmission connection.

[0005] Therefore, the present application provides an audio and video data intelligent transmission device. SUMMARY

[0006] The present application aims at providing an audio and video data intelligent transmission device to solve the problems mentioned in the background art.

[0007] To achieve the above object, the present application adopts the following technical scheme:

[0008] An audio and video data intelligent transmission device, comprising a slot-shaped frame and a hard disk protection box, a C-shaped ring is arranged near the opening end in the slot-shaped frame, the C-shaped ring and the slot-shaped frame are in rotational and longitudinal sliding cooperation, two opposite belt conveyors are arranged at the opening end of the C-shaped ring, the two belt conveyors are arranged in parallel and constitute an actuator with the functions of clamping and conveying the hard disk protection box, resistance plates are fixedly connected to the upper and lower sides of the hard disk protection box near one end, a row of longitudinally distributed storage slots are arranged on the side opposite to the opening in the slot-shaped frame, the storage slots are opposite to the C-shaped ring at the entrance and are in plug-in cooperation with the hard disk protection box, a transmission mechanism one for controlling the rotation and sliding of the C-shaped ring and a transmission mechanism two for controlling the operation of the belt conveyors are arranged on the slot-shaped frame.

[0009] Further description of the above technical scheme:

[0010] A positioning tube is fixedly connected to the slot-shaped frame near the opening end, a positioning sleeve is fixedly connected to the inner arc wall of the C-shaped ring through a support arm, a rotating sleeve is sleeved in the positioning sleeve, and the rotating sleeve is sleeved on the positioning tube and in axial sliding cooperation with the positioning tube.

[0011] Further description of the above technical scheme:

[0012] The transmission mechanism one comprises a lead screw, a transmission silk sleeve and a toothed roller one, the lead screw is rotatably sleeved on the positioning tube, the transmission silk sleeve is sleeved in the lead screw and its outer peripheral wall is fixedly connected with the baffles at both ends of the rotating sleeve, and the toothed roller one is rotatably connected to the opening end of the slot-shaped frame and is in meshing cooperation with the outer peripheral wall of the C-shaped ring.

[0013] Further description of the above technical scheme:

[0014] The belt conveyor comprises a rack, a transmission roller and a transmission belt, two transmission rollers are arranged at both ends of the rack and are connected by the transmission belt, and a compression plate is arranged on the outer peripheral wall of the transmission belt.

[0015] Further description of the above technical scheme:

[0016] The transmission mechanism two comprises a door-shaped slide frame, a gear one and a transmission combination, both ends of the transmission roller are fixedly connected with transmission shafts rotationally connected with the frame, both ends of the transmission shafts are fixedly connected with the gear one, the door-shaped slide frame is sleeved on the supporting arm and is arranged in a sliding mode, the open end of the door-shaped slide frame is fixedly connected with two door-shaped plates respectively located at the two sides of the belt conveyors away from each other, one side of the door-shaped plate is in meshing engagement with the adjacent gear one, the outer circumferential wall of the positioning sleeve is fixedly connected with a limiting stopper opposite to the open end of the C-shaped ring, and the transmission combination has the function of controlling the sliding of the door-shaped plate relative to the supporting arm.

[0017] As a further description of the above technical solution:

[0018] The transmission combination comprises a gear roller two, a transmission gear and a rack, the transmission gear is sleeved outside the positioning pipe and rotationally connected with the positioning pipe, the rack is fixedly arranged at one side in the door-shaped slide frame and is in engagement with the transmission gear, and the gear roller two is rotationally connected in the groove-shaped frame and is in engagement with the transmission gear.

[0019] As a further description of the above technical solution:

[0020] One side of the groove-shaped frame, opposite to the open end, is fixedly connected with a row of uniformly distributed partition plates, both sides of the partition plate and the side opposite to the partition plate are fixedly connected with limiting plates located at the upper and lower ends, the groove-shaped frame, the partition plate and the limiting plate enclose a row of storage grooves, one side of the limiting plate is provided with a through-flow gap, both sides of the hard disk protection box are fixedly connected with limiting blocks capable of entering and exiting the through-flow gap up and down, and the upper and lower sides of the hard disk protection box are provided with heat dissipation windows.

[0021] As a further description of the above technical solution:

[0022] The non-open end of the groove-shaped frame is sleeved with an enclosing sleeve, and both sides of the enclosing sleeve are provided with electric push rods for controlling the sliding of the enclosing sleeve.

[0023] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0024] 1、In the present application, the groove-shaped frame is arranged, a row of longitudinally arranged storage grooves are arranged in the groove-shaped frame, the storage grooves are used for storing the hard disk protection box, then the C-shaped ring close to the open end is arranged in the groove-shaped frame, the open end of the C-shaped ring is provided with two belt conveyors, the belt conveyors have the functions of clamping, releasing and conveying the hard disk protection box, the C-shaped ring has the functions of rotation and longitudinal sliding, and such arrangement enables the device to automatically control the butt joint of the hard disk protection box and the storage groove and the plugging and unplugging of the transmission assembly outside, without manual participation.

[0025] 2. In this invention, a transmission mechanism one for controlling the movement of the C-ring and a transmission mechanism two for controlling the operation of the belt conveyor are provided. The provision of transmission mechanism one and transmission mechanism two makes the C-ring and the belt conveyor non-circuit driven structure. This provision makes the control of the large-stroke hard disk protective box more reliable and the subsequent inspection and maintenance more convenient.

[0026] 3. In this invention, a cover is fitted onto the tail of the slotted frame. The cover is slidable, and the upper and lower sides of the storage slot are hollowed-out. The hollowed-out structure allows for manual handling of the hard drive protection box. This design allows for manual handling of the required hard drive protection box when the equipment malfunctions. The cover also allows the hollowed-out structure to be sealed, providing the advantage of dust protection for the hard drive protection box. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of an intelligent audio-visual data transmission device proposed in this invention;

[0028] Figure 2 for Figure 1 The main view;

[0029] Figure 3 This is a schematic diagram of the structure of a C-shaped ring and a belt conveyor in conjunction with an intelligent audio-visual data transmission device proposed in this invention;

[0030] Figure 4 for Figure 1 Partial schematic diagram;

[0031] Figure 5 This is a front view of the C-shaped ring, belt conveyor, and hard disk protective box that are used in conjunction with the intelligent audio-visual data transmission device proposed in this invention.

[0032] Legend:

[0033] 1. Trough-shaped frame; 11. Positioning tube; 12. Partition plate; 13. Limiting plate; 131. Flow notch; 2. C-ring; 21. Support arm; 22. Positioning sleeve; 221. Limiting block; 23. Rotating sleeve; 3. Belt conveyor; 31. Frame; 32. Drive roller; 321. Drive shaft; 33. Drive belt; 331. Pressure plate; 4. Hard disk protective box; 41. Limiting block; 42. Heat dissipation window; 5. Storage trough; 6. Transmission mechanism one; 61. Lead screw; 62. Drive screw sleeve; 621. Baffle; 63. Toothed roller one; 7. Transmission mechanism two; 71. Portal slide; 711. Portal plate; 73. Gear one; 74. Transmission assembly; 741. Toothed roller two; 742. Drive gear; 743. Rack; 8. Sealing sleeve; 9. Electric push rod; 101. Resistance plate. Detailed Implementation

[0034] The technical solutions in 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0035] Embodiment 1

[0036] Please refer to Figures 1-5 An audio and video data intelligent transmission device, a slot type frame 1 and a hard disk protection box 4, the two sides of the slot type frame 1 are installed on the external positioning frame plate through bolts, and then a data transmission assembly close to one end of the slot type frame 1 is welded on the positioning frame plate through a cantilever, the bottom of the data transmission assembly is provided with a plug-in slot for the plug-in board on the hard disk, it should be noted that the data transmission assembly here is provided in a static state, the hard disk protection box 4 is used for storing the hard disk, and plays a role in protecting the hard disk, a shock pad can be installed in the hard disk protection box 4 during use, and a clearance gap for accommodating the plug-in board on the hard disk is formed on the upper part of the hard disk protection box 4, the plug-in board on the hard disk passes through the clearance gap and extends to the outside.

[0037] In the technical solution, a C-shaped ring 2 close to the open end is arranged in the slot type frame 1, the C-shaped ring 2 and the slot type frame 1 are rotationally and longitudinally slidably matched, when manufacturing, a notch is formed on the circular ring to form the C-shaped ring 2, wherein the axis of the C-shaped ring 2 coincides with the axis of rotation, and preferably, a positioning tube 11 close to the open end is fixedly connected in the slot type frame 1, the inner arc wall of the C-shaped ring 2 is fixedly connected with a positioning sleeve 22 through a support arm 21, the positioning sleeve 22 is sleeved with a rotating sleeve 23, the rotating sleeve 23 is sleeved on the positioning tube 11 and axially slidably matched, so that the C-shaped ring 2 has the functions of rotation and longitudinal movement.

[0038] Further, two opposite belt conveyors 3 are arranged at the open end of the C-shaped ring 2, the two belt conveyors 3 are arranged in parallel and constitute an actuator having the functions of clamping and conveying the hard disk protection box 4, the upper and lower sides of the hard disk protection box 4 are fixedly connected with resistance increasing plates 101 close to one end, when the two belt conveyors 3 are located at the two sides of the hard disk protection box 4 and opposite to the resistance increasing plates 101, the belt conveyors 3 can realize the functions of clamping and moving the hard disk protection box 4 forward and backward after clamping when the belt conveyors 3 are controlled to operate, wherein the working surface of the resistance increasing plate 101 can be processed into a sawtooth state, the rotation function of the C-shaped ring 2 can adjust the orientation of the clamped hard disk protection box 4, and the longitudinal movement of the C-shaped ring 2 can adjust the position of the clamped hard disk protection box 4 in the longitudinal direction of the slot type frame 1. That is, the hard disk protection box 4 can be moved to the position of plugging with the data transmission assembly, and then the hard disk protection box 4 and the data transmission assembly can be controlled to be plugged and unplugged.

[0039] Wherein, the slot frame 1 and the opening side of the opposite side is provided with a row of longitudinal distribution of the storage slot 5, a storage slot 5 for storing a hard disk protection box 4, the storage slot 5 entrance and C type ring 2 opposite and its and hard disk protection box 4 plug-in cooperation, use, C type ring 2 clamping hard disk protection box 4 and one of the storage slot 5 entrance opposite, control belt conveyor 3 operation can push the clamping hard disk protection box 4 forward movement and make it inserted into the storage slot 5, then control belt conveyor 3 reverse rotation can be pulled out from the hard disk protection box 4 in the storage slot 5.

[0040] Wherein, the belt conveyor 3 is specifically structured to include the rack 31, the transmission roller 32 and the transmission belt 33, the transmission belt 33 is selected from the synchronous belt, the both ends of the rack 31 are provided with two transmission rollers 32 connected by the transmission belt 33, the outer wall of the transmission belt 33 is provided with a section of the compression plate 331, the section of the compression plate 331 is composed of the rubber strip arranged and distributed, and the whole transmission belt 33 is covered with the compression plate 331 on the circumferential half circle. Thus, when the compression plate 331 on the transmission belt 33 is opposite to the resistance increasing plate 101, the compression plate 331 will be squeezed and can drive the hard disk protection box 4 to move forward and backward by the friction force. Conversely, the transmission belt 33 and the hard disk protection box 4 are in a separated state, thereby facilitating the C type ring 2 to switch the transmission of other hard disk protection boxes 4.

[0041] In the embodiment, the slot frame 1 is provided with a transmission mechanism one 6 for controlling the rotation and sliding of the C type ring 2, which greatly reduces the dependence of the action of the C type ring 2 on the wire circuit, and facilitates the large stroke movement of the C type ring 2.

[0042] Specifically, the transmission mechanism one 6 includes the lead screw 61, the transmission silk cover 62 and the tooth roller one 63. The lead screw 61 is sleeved in the positioning pipe 11 and is rotationally arranged. The transmission silk cover 62 is sleeved on the lead screw 61, and the outer wall thereof is fixedly connected with the baffle 621 located at both ends of the rotating sleeve 23. In use, the waist type limiting hole is formed in the outer wall of the positioning pipe 11, and the baffle 621 penetrates through the waist type limiting hole. When the lead screw 61 is controlled to rotate, the transmission silk cover 62 can be driven to move circumferentially, and then the rotating sleeve 23 can be driven to slide axially through the baffle 621. The tooth roller one 63 is rotationally connected to the opening end of the slot frame 1 and is engaged with the outer wall of the C type ring 2. In implementation, a section of the teeth engaged with the tooth roller one 63 is arranged on the outer wall of the C type ring 2. When the tooth roller one 63 rotates, the C type ring 2 can be driven to rotate. The tooth roller one 63 is a straight tooth structure, which facilitates the axial sliding of the C type ring 2 along the tooth roller one 63. In use, the servo motor one and the servo motor two for controlling the rotation of the lead screw 61 and the tooth roller one 63 are installed on the outside of the slot frame 1.

[0043] The groove type frame 1 is provided with a transmission mechanism two 7 for controlling the operation of the belt conveyor 3, and the operation of the belt conveyor 3 in the technical solution greatly reduces the dependence on the guide cable, facilitating large-stroke displacement.

[0044] Specifically, the transmission mechanism two 7 includes a door-shaped carriage 71, a gear one 73 and a transmission combination 74, both ends of the transmission roller 32 are fixedly connected with a transmission shaft 321 which is rotationally connected with the rack 31, both ends of the transmission shaft 321 are fixedly connected with the gear one 73, the door-shaped carriage 71 is sleeved on the supporting arm 21 and is slidingly arranged, and in specific implementation, a sliding sleeve which is sleeved on the outside of the supporting arm 21 can be welded on the middle beam of the door-shaped carriage 71, the open ends of the door-shaped carriage 71 are fixedly connected with two door-shaped plates 711 which are respectively located on the sides away from the belt conveyor 3, one side of the door-shaped plate 711 is engaged with the adjacent gear one 73, and thus when the door-shaped carriage 71 is controlled to slide, the teeth of the two door-shaped plates 711 relatively drive the transmission belts 33 on the two belt conveyors 3 to operate in different directions, the outer peripheral wall of the positioning sleeve 22 is fixedly connected with a limiting block 221 which is opposite to the open end of the C-shaped ring 2, and the limiting block 221 controls the distance of one end of the hard disk protection box 4 entering the inside of the C-shaped ring 2. The transmission combination 74 has the function of controlling the sliding of the door-shaped plate 711 relative to the supporting arm 21.

[0045] Further, the transmission combination 74 includes a gear roller two 741, a transmission gear 742 and a rack 743, the transmission gear 742 is sleeved on the outside of the positioning pipe 11 and is rotationally connected with the transmission gear 742, the rack 743 is fixedly arranged on one side in the door-shaped carriage 71 and is engaged with the transmission gear 742, the gear roller two 741 is rotationally connected in the groove type frame 1 and is engaged with the transmission gear 742, and the gear roller two 741 is also a straight tooth structure, facilitating the axial sliding of the transmission gear 742 relative to the gear roller two 741, and a servo motor three for controlling the rotation of the gear roller two 741 is installed on the outside of the groove type frame 1 during use, and the rotation of the gear roller two 741 can drive the door-shaped carriage 71 to move through the engagement of the transmission gear 742 and the rack 743.

[0046] In the embodiment, the groove-shaped frame 1 is fixedly connected with a row of evenly distributed partitions 12 on the side opposite to the open end, the two sides of the partitions 12 and the side opposite to the partitions 12 are fixedly connected with limiting plates 13 at the upper and lower ends, the groove-shaped frame 1, the partitions 12 and the limiting plates 13 enclose a row of storage grooves 5, one side of the limiting plate 13 is provided with a flow gap 131, and the two sides of the hard disk protection box 4 are fixedly connected with limiting blocks 41 which can enter and exit the flow gap 131 up and down, that is, the hard disk protection box 4 can be docked with the storage groove 5 from the upper and lower sides of the storage groove 5, specifically, the limiting block 41 enters the storage groove 5 after passing through the flow gap 131, and then the hard disk protection box 4 is lifted and limited when it is pushed to the bottom of the storage groove 5, and the upper and lower sides of the hard disk protection box 4 are provided with heat dissipation windows 42, which is convenient for the hard disk in the hard disk protection box 4 to dissipate heat during use.

[0047] Embodiment 2

[0048] Please refer to Figure 1 , and the difference from embodiment 1 is that the non-open end of the groove-shaped frame 1 is sleeved with an envelope 8 and the two sides thereof are provided with electric push rods 9 for controlling the sliding of the envelope 8, the electric push rods 9 are used to control the forward and backward sliding of the envelope 8 relative to the groove-shaped frame 1, and the purpose is to block the gaps on the upper and lower sides of the storage groove 5 and the heat dissipation windows 42 on the hard disk protection box 4, so as to avoid dust entering the hard disk protection box 4.

[0049] Working principle: before use, the servo motor in the technical solution is connected with the external control system, and the external control system controls the operation of the servo motor through the program. When in use, one hard disk protection box 4 is stored in each storage groove 5, and the C-shaped ring 2 is in standby state, the two belt conveyors 3 on the C-shaped ring 2 are located on the upper and lower sides of one hard disk protection box 4, and the transmission belt 33 is in a state of not contacting the resistance plate 101. When it is needed to extract the hard disk protection box 4 at other positions, the control screw 61 is rotated, the C-shaped ring 2 is longitudinally displaced to the target hard disk protection box 4, at this time the door-shaped carriage 71 is controlled to move towards the hard disk protection box 4, and the two transmission belts 33 are operated. When the pressing plate 331 starts to press the resistance plate 101, the hard disk protection box 4 is clamped and then moves towards the C-shaped ring 2, and when it moves to a certain position, the C-shaped ring 2 is controlled to rotate upwards so that the hard disk protection box 4 is separated from the current storage groove 5, and then the C-shaped ring 2 is controlled to move longitudinally to drive the hard disk protection box 4 to move below the transmission assembly, and then the transmission belt 33 is controlled to reverse rotation to insert the hard disk in the hard disk protection box 4 and the transmission assembly.

[0050] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An intelligent audio-visual data transmission device, characterized in that, The device includes a slotted frame (1) and a hard disk protective box (4). A C-shaped ring (2) is provided inside the slotted frame (1) near its opening. The C-shaped ring (2) and the slotted frame (1) are rotatably and longitudinally slidingly engaged. Two opposing belt conveyors (3) are provided at the opening end of the C-shaped ring (2). The two belt conveyors (3) are arranged in parallel and together constitute an actuator that clamps and transports the hard disk protective box (4). A resistance-increasing plate (101) is fixedly connected to both the upper and lower sides of the hard disk protective box (4). A row of longitudinally evenly distributed storage slots (5) is provided inside the slotted frame (1) on the side opposite to the opening. The inlet and outlet of the storage slots (5) are opposite to the C-shaped ring (2) and are inserted into the hard disk protective box (4). The trough frame (1) is equipped with a transmission mechanism 1 (6) for controlling the rotation and sliding of the C-ring (2) and a transmission mechanism 2 (7) for controlling the operation of the belt conveyor (3). The trough frame (1) is fixedly connected to a positioning tube (11) near the opening end. The inner arc wall of the C-ring (2) is fixedly connected to a positioning sleeve (22) through a support arm (21). A rotating sleeve (23) is fitted inside the positioning sleeve (22). The rotating sleeve (23) is fitted on the positioning tube (11) and the two slide axially. The belt conveyor (3) includes a frame (31), transmission rollers (32) and a transmission belt (33). Two transmission rollers (32) are connected at both ends of the frame (31) through the transmission belt (33). The outer peripheral wall of 33) is provided with a clamping plate (331). The first transmission mechanism (6) includes a lead screw (61), a transmission sleeve (62) and a toothed roller (63). The lead screw (61) is sleeved in the positioning tube (11) and is rotatably configured. The transmission sleeve (62) is sleeved on the lead screw (61) and its outer peripheral wall is fixedly connected with baffles (621) located at both ends of the rotating sleeve (23). The toothed roller (63) is rotatably connected to the open end of the slot frame (1) and meshes with the outer peripheral wall of the C-ring (2). The second transmission mechanism (7) includes a portal slide (71), a gear (73) and a transmission assembly (74). The two ends of the transmission roller (32) are fixedly connected with a transmission shaft (321) that is rotatably connected to the frame (31). The transmission shaft (321) is fixedly connected to two gears (73) at both ends. The portal slide (71) is sleeved on the support arm (21) and is slidably configured. The open end of the portal slide (71) is fixedly connected to two portal plates (711) located on opposite sides of the two belt conveyors (3). One side of the portal plate (711) meshes with the adjacent gear (73). The outer peripheral wall of the positioning sleeve (22) is fixedly connected to a limiting block (221) opposite to the open end of the C-ring (2). The transmission assembly (74) has the function of controlling the sliding of the portal plate (711) relative to the support arm (21). The transmission assembly (74) includes a toothed roller (741), a transmission gear (742), and a rack (743).The transmission gear (742) is sleeved on the outside of the positioning tube (11) and the two are rotatably connected. The rack (743) is fixedly installed on one side inside the portal frame (71) and meshes with the transmission gear (742). The toothed roller (741) is rotatably connected inside the slotted frame (1) and meshes with the transmission gear (742).

2. The intelligent audio-visual data transmission device according to claim 1, characterized in that, A row of evenly distributed partitions (12) is fixedly connected to the side of the slot frame (1) opposite to the opening end. Limiting plates (13) located at the upper and lower ends are fixedly connected to both sides of the partitions (12) and the side opposite to the partitions (12). The slot frame (1), the partitions (12) and the limiting plates (13) form a row of storage slots (5). A flow passage notch (131) is opened on one side of the limiting plate (13). Limiting blocks (41) that can enter and exit the flow passage notch (131) are fixedly connected to both sides of the hard disk protective box (4). Heat dissipation windows (42) are opened on the upper and lower sides of the hard disk protective box (4).

3. The intelligent audio-visual data transmission device according to claim 2, characterized in that, The non-open end of the slotted frame (1) is fitted with a cover (8) and electric push rods (9) are provided on both sides for controlling the sliding of the cover (8).

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