A belt telescopic conveyor with a limiting structure

Abstract

This utility model relates to the field of material transportation technology and discloses a belt telescopic conveyor with a limiting structure, including a conveyor plate. A protective mechanism is provided on the top left side of the conveyor plate, a lifting and adjusting mechanism is provided on the bottom left side of the conveyor plate, a threaded locking mechanism is provided on the bottom right side of the conveyor plate, a scanning mechanism is provided on the top right side of the conveyor plate, and an anti-slip mechanism is provided on the outer wall of the conveyor plate. The protective mechanism includes multiple fixed columns, and protective nets are fixedly connected between adjacent fixed columns. In this utility model, mechanical locking is achieved during installation through the cooperation of a first slot, a compression spring, and a button at the bottom of the fixed column in the protective mechanism with slots two and three on the conveyor plate, ensuring a stable connection of the protective nets and effectively preventing goods from falling due to loose connections. This significantly improves the safety and operability of the belt telescopic conveyor for transporting goods.

Description

Technical Field

[0001] This utility model relates to the field of material transportation technology, and in particular to a belt telescopic conveyor with a limiting structure. Background Technology

[0002] Belt telescopic conveyors are a type of conveying equipment widely used in logistics warehousing, e-commerce sorting, and industrial production. Their core function is to enable continuous transportation of goods at different distances, heights, and angles through a telescopic belt structure. They play a crucial role, especially in vehicle loading and unloading and production line connections. These devices consist of a conveyor plate, drive mechanism, and support structure. Through modular design, they allow for flexible adjustment of length and height to adapt to diverse operational needs. With the development of automated logistics technology, belt telescopic conveyors are gradually upgrading towards intelligence and efficiency, but there is still room for improvement in terms of protective performance and height adjustment.

[0003] Traditional belt conveyors have a relatively simple structure, mainly consisting of a fixed frame, belt, and drive unit. They lack designs for cargo protection and height adjustment. In practical applications, these devices have two major problems: First, goods are prone to falling off the sides of the belt during transport due to inertia, vibration, or positional shift, especially during high-speed transport or inclined conditions. Second, the fixed height of the equipment makes it difficult to accurately connect with loading and unloading platforms or transport vehicles of different heights, requiring manual elevation and other auxiliary operations, resulting in low efficiency and safety hazards. Utility Model Content

[0004] To overcome the above deficiencies, this utility model provides a belt telescopic conveyor with a limiting structure, aiming to improve the problem of goods falling off due to the lack of a limiting structure in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a belt telescopic machine with a limiting structure, comprising a conveyor plate, a protective mechanism provided on the top left side of the conveyor plate, a lifting adjustment mechanism provided on the bottom left side of the conveyor plate, a threaded locking mechanism provided on the bottom right side of the conveyor plate, a scanning mechanism provided on the top right side of the conveyor plate, and an anti-slip mechanism provided on the outer wall of the conveyor plate.

[0006] The protective mechanism includes multiple fixed columns, each fixedly connected to adjacent fixed columns with a protective net, and each adjacent protective net with a hollow tube. Each fixed column has a slot 1 on its bottom left side, and each slot 1 has a compression spring on its left side. Each compression spring has a button fixedly connected to its left side, and each button is slidably connected to its corresponding slot 1. The top left and right sides of the conveyor plate have multiple slots 2, and the bottom ends of each fixed column are slidably connected to their corresponding slots 2. The inner left side of each slot 2 has a slot 3, and each button engages with its corresponding slot 3.

[0007] As a further description of the above technical solution:

[0008] The lifting and adjusting mechanism includes a fixed plate, which is located on the bottom left side of the conveyor plate. Multiple fastening bolts are threaded around the outer wall of the fixed plate, and the tops of the bolts are threaded to the conveyor plate. A hydraulic rod is fixedly connected to the bottom of the fixed plate, and a square fixing plate is fixedly connected to the bottom of the hydraulic rod. A screw is located at the bottom of the square fixing plate, and multiple nuts are threaded around the outer wall of the square fixing plate. The bottoms of the nuts are threaded to the screw, and a pulley is fixedly connected to the bottom of the screw.

[0009] As a further description of the above technical solution:

[0010] The scanning mechanism includes a mounting plate, the bottom of which is fixedly connected to the top right side of the conveyor plate, and a scanner is fixedly connected to the rear top side of the mounting plate.

[0011] As a further description of the above technical solution:

[0012] The anti-slip mechanism includes a base plate, which is fixedly connected to the outer wall of the conveyor plate, and triangular plates are fixedly connected to all four sides of the outer wall of the base plate.

[0013] As a further description of the above technical solution:

[0014] Telescopic rods are slidably connected to the inner walls of the two hollow tubes on the left side. The tops of the two telescopic rods are connected to a fixed rod, and a camera is fixedly connected to the bottom rear side of the fixed rod.

[0015] As a further description of the above technical solution:

[0016] The outer walls of the two hollow tubes on the left are each threaded with a fixing bolt 2, and the right ends of the two fixing bolts 2 are attached to the corresponding telescopic rods.

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

[0018] Infrared scanning devices are fixedly connected to the front and rear sides of the outer walls of the two hollow tubes. The tops of the two telescopic rods are connected to the same fixed rod. The top front side of the fixed rod is fixedly connected to a support leg, a plurality of bottoms, and a plurality of threaded fixing plates. The outer walls of the plurality of threaded fixing plates are all threadedly connected with fixing bolts.

[0019] This utility model has the following beneficial effects:

[0020] 1. In this utility model, the mechanical locking is achieved during installation through the cooperation of the bottom slot one, compression spring, and button of the fixed column in the protective mechanism with slots two and three on the conveyor plate, ensuring a stable connection of the protective net and effectively preventing goods from falling due to loose connections. During operation, the hollow tube and the protective net work together to dynamically adjust the enclosure according to the height of the goods. Its mesh design not only prevents goods from sliding sideways but also facilitates observation, making up for the shortcomings of existing technologies that lack a limiting structure, leading to goods falling and making it difficult to balance protection and observation. This significantly improves the safety and operability of the belt telescopic conveyor for transporting goods.

[0021] 2. In this utility model, the fixed plate and fastening bolts work together to provide a solid and rigid support foundation for the conveyor plate, ensuring efficient power transmission. The hydraulic rod operates according to system detection signals, driving the square fixed plate and pulleys to achieve precise height adjustment of the conveyor plate. This allows it to match different loading / unloading platforms and transport vehicles, reducing the risk of goods falling due to unsuitable height. The adjustable connection structure composed of screws and nuts allows for precise adjustment of the pulley extension length according to ground conditions, ensuring equipment stability. The self-locking threads of the nuts and screws prevent the conveyor plate from shifting, greatly improving the stability of the cargo conveying path and effectively solving the problem of goods falling due to improper height adjustment and equipment instability in existing technologies. Attached Figure Description

[0022] Figure 1 This is a perspective view of a belt telescopic machine with a limiting structure proposed in this utility model;

[0023] Figure 2 This is a front view of a belt telescopic machine with a limiting structure proposed in this utility model;

[0024] Figure 3 This is a schematic diagram of a lifting and adjusting mechanism for a belt telescopic conveyor with a limiting structure proposed in this utility model;

[0025] Figure 4 This is a schematic diagram of the fixing rod structure of a belt telescopic conveyor with a limiting structure proposed in this utility model;

[0026] Figure 5This is a schematic diagram of a protective mechanism for a belt telescopic conveyor with a limiting structure proposed in this utility model;

[0027] Figure 6 This is a schematic diagram of the button of a belt telescopic conveyor with a limiting structure proposed in this utility model;

[0028] Figure 7 This is a partial cross-sectional view of the conveyor plate of a belt telescopic conveyor with a limiting structure proposed in this utility model.

[0029] Legend:

[0030] 1. Conveyor plate; 2. Protective mechanism; 201. Fixed column; 202. Protective net; 203. Hollow tube; 204. Slot 1; 205. Compression spring; 206. Button; 207. Slot 2; 208. Slot 3; 3. Lifting and adjusting mechanism; 301. Fixed plate; 302. Fastening bolt; 303. Hydraulic rod; 304. Square fixing plate; 305. Screw; 306. Pulley; 307. Nut; 4. Scanning mechanism; 401. Mounting plate; 402. Scanner; 5. Anti-slip mechanism; 501. Triangular plate; 502. Base plate; 6. Alarm; 7. Camera; 8. Threaded locking mechanism; 801. Support leg; 802. Threaded fixing plate; 803. Fixing bolt 1; 9. Infrared scanning device; 10. Fixed rod; 11. Telescopic rod; 12. Fixing bolt 2. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 , Figure 4 and Figure 5This utility model provides an embodiment of a belt conveyor with a limiting structure, comprising a conveyor plate 1. A protective mechanism 2 is provided on the top left side of the conveyor plate 1 to protect and restrict the goods on the conveyor plate 1, preventing them from falling. A lifting and adjusting mechanism 3 is provided on the bottom left side of the conveyor plate 1 to adjust the height of the conveyor plate 1 to adapt to different working scenarios. A threaded locking mechanism 8 is provided on the bottom right side of the conveyor plate 1 to securely fix the equipment in the working position, enhancing the stability of the equipment. A scanning mechanism 4 is provided on the top right side of the conveyor plate 1 to scan the goods on the conveyor plate 1 and obtain relevant information about the goods. An anti-slip mechanism 5 is provided on the outer wall of the conveyor plate 1 to increase the friction between the conveyor plate 1 and the goods or the surrounding environment, preventing the goods from sliding.

[0033] The protective mechanism 2 includes multiple fixed posts 201, which serve as a support structure for the protective net 202, ensuring its stability. Each of the multiple fixed posts 201 is fixedly connected to a protective net 202 to block goods and prevent them from falling from the side of the conveyor plate 1. Hollow tubes 203 are fixedly connected to each of the multiple protective nets 202, allowing for height adjustment to better accommodate goods of different heights. Each of the multiple fixed posts 201 has a slot 204 on its bottom left side, providing installation space for compression springs 205 and buttons 206. Compression springs 205 are located on the left side of each slot 204, providing elasticity to the buttons 206, enabling them to engage and disengage. Buttons 206 are fixedly connected to the left side of each compression spring 205, allowing the fixed posts 201 to be fixed and disassembled on the conveyor plate 1 by engaging or disengaging with slots 208. Multiple buttons 206 are slidably connected to corresponding slots 204. Multiple slots 207 are provided on the top left and right sides of the conveyor plate 1, which engage with the bottom ends of the fixing posts 201, allowing the fixing posts 201 to be installed and slidably adjusted on the conveyor plate 1. The bottom ends of the multiple fixing posts 201 are slidably connected to corresponding slots 207. A slot 3 208 is provided on the left side of the inner wall of each slot 207, which engages with the buttons 206 to fix the fixing posts 201 on the conveyor plate 1. Multiple buttons 206 engage with corresponding slots 208.

[0034] Specifically, in protective mechanism 2, multiple fixed posts 201 serve as supporting components for the entire protective structure. Protective netting 202, fixedly connected between adjacent fixed posts 201, forms a protective area, preventing personnel and objects from entering or exiting at will, thus providing safety protection. Hollow tubes 203 connecting adjacent protective netting 202 provide the entire protective structure with height adjustment capabilities, allowing the protective area to be raised or lowered according to actual needs. A slot 204 on the left side of the bottom of the multiple fixed posts 201 provides sliding space for the button 206. A compression spring 205 on the left side of the slot 204 applies a leftward elastic force to the button 206. The button 206 slides within the slot 204; when pressed by external force, it compresses the spring 205, and returns to its original position under the spring's action after the external force disappears. Multiple slots 207 on the left and right sides of the top of the conveyor plate 1 are slidably connected to the bottom of the fixed posts 201, allowing the fixed posts 201 to be placed stably on the conveyor plate 1, preparing for subsequent fixing. The third slot 208, located on the left side of the inner wall of the second slot 207, engages with the button 206. When the bottom end of the fixing post 201 is inserted into the second slot 207, the button 206, under the elastic force of the compression spring 205, engages into the third slot 208, thus firmly fixing the fixing post 201 to the conveyor plate 1, ensuring that the protective mechanism 2 will not shake or shift when the conveyor plate 1 moves. To change the position of the fixing post 201, simply press the button 206 to disengage it from the third slot 208, allowing the fixing post 201 to move. After adjusting the position, release the button 206, and the button 206 will engage again in the third slot 208 to re-fix it.

[0035] Reference Figure 1 , Figure 2 and Figure 3The lifting and adjusting mechanism 3 includes a fixed plate 301, which is located on the bottom left side of the conveyor plate 1. The fixed plate 301 provides the connection base for the entire lifting and adjusting mechanism 3 to the conveyor plate 1, ensuring stable installation of the mechanism at the bottom of the conveyor plate 1. Multiple fastening bolts 302 are threaded around the outer wall of the fixed plate 301, securing it firmly to the conveyor plate 1 and enhancing connection stability. The tops of the multiple fastening bolts 302 are threaded to the conveyor plate 1. A hydraulic rod 303 is fixedly connected to the bottom of the fixed plate 301, serving as a power output component to adjust the height of the conveyor plate 1 through extension and retraction. A square fixing plate 304 is fixedly connected to the bottom of the hydraulic rod 303, dispersing the pressure transmitted by the hydraulic rod 303 and providing a mounting base for the screws 305, nuts 307, and pulleys 306. Screws 305 are located at the bottom of the square fixing plate 304, which cooperate with the nuts 307 to adjust the height of the pulleys 306. The outer walls of the square fixing plate 304 are threaded with multiple nuts 307. These nuts 307 are used to precisely adjust the extension lengths of the screws 305 and pulleys 306 by tightening the nuts 307. The bottom ends of the multiple nuts 307 are threaded to the screws 305. The bottom of each screw 305 is fixedly connected to a pulley 306, which allows the equipment to move on the ground, facilitating position adjustments and providing dynamic support during the lifting and lowering of the conveyor plate 1.

[0036] Specifically, in the lifting and adjusting mechanism 3, the fixed plate 301 is located on the bottom left side of the conveyor plate 1 and is connected to the conveyor plate 1 by multiple fastening bolts 302 threaded around its outer wall. This connection method securely fixes the fixed plate 301 to the bottom of the conveyor plate 1, providing a connection base for the entire lifting and adjusting mechanism 3. The hydraulic rod 303 connected to the bottom of the fixed plate 301 is a key component for realizing the lifting function. The height of the conveyor plate 1 can be adjusted by extending and retracting the hydraulic rod 303. The square fixed plate 304 connected to the bottom of the hydraulic rod 303 serves to distribute pressure and provide mounting points. The square fixed plate 304 is equipped with screws 305 at its bottom, and its outer wall is threaded to the screws 305 by multiple nuts 307. This structure securely connects the square fixed plate 304 to the screws 305. The pulleys 306 connected to the bottom of the screws 305 give the entire lifting and adjusting mechanism 3 and the conveyor plate 1 the ability to move, facilitating the transfer of the equipment between different positions.

[0037] Reference Figure 1 , Figure 2 and Figure 7The scanning mechanism 4 includes a mounting plate 401, the bottom of which is fixedly connected to the top right side of the conveyor plate 1. Its function is to provide a stable mounting position for the scanner 402, ensuring that the scanner 402 can be in a suitable working position to scan the items on the conveyor plate 1. The scanner 402 is fixedly connected to the rear top of the mounting plate 401, and its function is to scan the items passing on the conveyor plate 1 to obtain relevant information. The anti-slip mechanism 5 includes a base plate 502, which is fixedly connected to the outer wall of the conveyor plate 1. Its function is to serve as the basic connecting component of the anti-slip mechanism 5, firmly installing the entire anti-slip mechanism 5 on the conveyor plate 1. Triangular plates 501 are fixedly connected to all four sides of the outer wall of the base plate 502. The triangular plates 501 increase the friction between the conveyor plate 1 and the placed items, and utilize the stability of the triangular structure to prevent items from sliding or falling on the conveyor plate 1, thus improving the safety of the conveying process.

[0038] Specifically, in the scanning mechanism 4, the bottom of the mounting plate 401 is fixedly connected to the top right side of the conveyor plate 1, providing support for the scanner 402. The scanner 402 is fixed to the rear top of the mounting plate 401 and can scan items on the conveyor plate 1. In the anti-slip mechanism 5, the base plate 502 is fixed to the outer wall of the conveyor plate 1, and the triangular plates 501 connected around it increase friction and stability, preventing items on the conveyor plate 1 from slipping or the conveyor plate 1 from sliding at its placement point, thus ensuring the safe operation of the equipment.

[0039] Reference Figure 1 , Figure 4 and Figure 5 The inner walls of the two hollow tubes 203 on the left are slidably connected to telescopic rods 11, allowing the telescopic rods 11 to slide up and down within the hollow tubes 203, thereby adjusting their height. The tops of the two telescopic rods 11 are connected to a fixed rod 10, which integrates the movement of the two telescopic rods 11 and provides a stable support platform for the camera 7 fixed at its bottom. The camera 7 is fixedly connected to the rear bottom of the fixed rod 10, which monitors the conveyor plate 1 and its surrounding area, acquiring relevant image information so that operators can monitor the cargo transportation status or work scene in real time. The outer walls of the two hollow tubes 203 on the left are each threaded with a fixing bolt 12, which is used to adjust the tightness of the telescopic rods 11 by tightening the fixing bolts 12. 12. The right ends of the two fixing bolts 12 are attached to the corresponding telescopic rods 11. Their function is to hold the telescopic rods 11 in place when the fixing bolts 12 are tightened, thereby fixing the position of the telescopic rods 11 inside the hollow tube 203 and ensuring that the camera 7 is stably positioned at the required height for shooting.

[0040] Specifically, the two hollow tubes 203 on the left provide sliding tracks for the telescopic rods 11, allowing them to move up and down along their inner walls. The tops of the two telescopic rods 11 are connected to a fixed rod 10, which supports the fixed rod 10 and allows its height to be adjusted by raising and lowering the telescopic rods 11. The camera 7, connected to the rear bottom of the fixed rod 10, can be adjusted with the height of the fixed rod 10 to meet different shooting angle requirements. The fixing bolts 12 on the left side of the outer wall of the hollow tubes 203, when tightened, press against the telescopic rods 11, fixing their position and ensuring stable operation of the camera 7.

[0041] Reference Figure 1 , Figure 4 and Figure 6 Infrared scanning devices 9 are fixedly connected to the front and rear sides of the outer walls of the two hollow tubes 203. These devices scan the surrounding area by emitting and receiving infrared rays, detecting the position and distance of goods, providing auxiliary detection data for equipment operation, and enabling timely adjustments. The tops of the two telescopic rods 11 are connected to a fixed rod 10, which integrates the lifting and lowering movements of the two telescopic rods 11, providing a stable support for the alarm 6 fixed to its top front side, ensuring that the alarm 6 can adjust its position with the lifting and lowering of the telescopic rods 11. The alarm 6 is fixedly connected to the top front side of the fixed rod 10. Its function is to provide support when abnormal equipment operation occurs. The threaded locking mechanism 8, including support legs 801, acts as a support structure between the conveyor plate 1 and the placement plane, bearing the weight of the conveyor plate 1 and its load, ensuring the overall stability of the equipment. The tops of multiple support legs 801 are fixedly connected to the bottom of the conveyor plate 1, securely connecting the threaded locking mechanism 8 to the conveyor plate 1, ensuring reliable support for the conveyor plate 1 under various operating conditions. Each of the multiple support legs 801 has a threaded fixing plate 802 fixedly connected to its bottom. This provides an installation base for the fixing bolts 803 and connects to the support surface via the threaded structure, facilitating fine-tuning of the equipment's fixing angle and position. The outer walls of the multiple threaded fixing plates 802 are all threaded with fixing bolts 803. Tightening the fixing bolts 803 ensures a tight fit between the threaded fixing plate 802 and the support surface, firmly fixing the equipment to the ground or other supporting plane. This prevents displacement of the equipment during operation due to vibration, external forces, or other factors, ensuring the stability and safety of the equipment's operation.

[0042] Specifically, the infrared scanning devices 9 fixed to the front and rear sides of the outer walls of the two hollow tubes 203 are used to perform infrared scanning on the surrounding area to obtain relevant information. The fixed rods 10 connected to the top of the two telescopic rods 11 not only provide support for the alarm 6 connected to the front top, but can also rise and fall with the telescopic rods 11 inside the hollow tubes 203 to adjust the position of the component. In the threaded locking mechanism 8, the top of the support leg 801 is connected to the bottom of the conveyor plate 1, serving to support the conveyor plate 1. The threaded fixing plate 802 connected to its bottom can be fastened to the placement surface through the fixing bolts 803 connected by threads around the perimeter, so that the entire equipment is stably fixed in the corresponding position.

[0043] Working principle: When the belt conveyor starts, the multi-dimensional limiting structure works together to prevent goods from falling. During installation of the protective mechanism 2, the compression spring 205 in the bottom slot 204 of the fixed column 201 pushes the button 206, which engages with the slot 208 when inserted into the second slot 207 of the conveyor plate 1, forming a mechanical lock and ensuring a secure connection of the protective net 202. During operation, the hollow tube 203 dynamically adjusts the protective net 202 according to the height of the goods, forming a suitable enclosure. The mesh design prevents lateral slippage and facilitates observation.

[0044] When the belt conveyor is started and enters working condition, the lifting and adjusting mechanism 3, through the coordinated work of multiple components, achieves precise adjustment and stable support of the height of the conveyor plate 1, effectively solving the risk of falling during cargo transportation. First, the fixed plate 301 is firmly connected to the bottom of the conveyor plate 1 via fastening bolts 302 around its perimeter, forming a rigid support foundation and ensuring the power transmission efficiency of the hydraulic rod 303. When the system detects the need to adjust the height of the conveyor plate 1 to match different loading / unloading platforms or transport vehicles, the hydraulic rod 303 begins to move, driving the square fixed plate 304 and the connected pulleys 306 to rise and fall synchronously, thereby achieving the overall height adjustment of the conveyor plate 1. During the extension of the conveyor plate 1, the pulleys 306 roll along the ground, providing dynamic support for the equipment. The screws 305 and nuts 307 at the bottom of the square fixed plate 304 form an adjustable connection structure: by tightening the nuts 307, the extension length of the pulleys 306 can be precisely adjusted, ensuring that multiple pulleys 306 maintain effective contact with the support surface under different ground conditions, ensuring the stability of the equipment during lifting and extension. Once the conveyor plate 1 is adjusted to the target height, the nut 307 and screw 305 lock their positions through the self-locking effect of the threads, preventing the conveyor plate 1 from shifting due to pressure fluctuations or external vibrations in the hydraulic system, thereby further improving the stability of the cargo conveying path.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A belt telescopic conveyor with a limiting structure, comprising a conveyor plate (1), characterized in that: A protective mechanism (2) is provided on the top left side of the conveyor plate (1), a lifting adjustment mechanism (3) is provided on the bottom left side of the conveyor plate (1), a threaded locking mechanism (8) is provided on the bottom right side of the conveyor plate (1), a scanning mechanism (4) is provided on the top right side of the conveyor plate (1), and an anti-slip mechanism (5) is provided on the outer wall of the conveyor plate (1). The protective mechanism (2) includes multiple fixed posts (201), with protective nets (202) fixedly connected between adjacent fixed posts (201), and hollow tubes (203) fixedly connected between adjacent protective nets (202). A slot (204) is provided on the left side of the bottom of each of the multiple fixed posts (201), and a compression spring (205) is provided on the left side of each of the multiple slots (204). A pressing mechanism is fixedly connected to the left side of each of the multiple compression springs (205). Buttons (206) are slidably connected to the corresponding slots (204). Multiple slots (207) are provided on the top left and right sides of the conveyor plate (1). The bottom ends of multiple fixing posts (201) are slidably connected to the corresponding slots (207). A slot (208) is provided on the left side of the inner wall of the multiple slots (207). Multiple buttons (206) are engaged with the corresponding slots (208).

2. The belt telescopic conveyor with a limiting structure according to claim 1, characterized in that: The lifting and adjusting mechanism (3) includes a fixed plate (301), which is located on the bottom left side of the conveyor plate (1). The outer wall of the fixed plate (301) is threaded with multiple fastening bolts (302) around its perimeter. The top ends of the multiple fastening bolts (302) are threaded to the conveyor plate (1). A hydraulic rod (303) is fixedly connected to the bottom of the fixed plate (301). A square fixing plate (304) is fixedly connected to the bottom of the hydraulic rod (303). A screw (305) is provided at the bottom of the square fixing plate (304). Multiple nuts (307) are threadedly connected to the outer wall of the square fixing plate (304). The bottom ends of the multiple nuts (307) are threaded to the screws (305). A pulley (306) is fixedly connected to the bottom of the screws (305).

3. The belt telescopic conveyor with a limiting structure according to claim 1, characterized in that: The scanning mechanism (4) includes a mounting plate (401), the bottom of which is fixedly connected to the top right side of the conveyor plate (1), and a scanner (402) is fixedly connected to the rear top side of the mounting plate (401).

4. The belt telescopic conveyor with a limiting structure according to claim 1, characterized in that: The anti-slip mechanism (5) includes a base plate (502), which is fixedly connected to the outer wall of the conveyor plate (1), and triangular plates (501) are fixedly connected to all four sides of the outer wall of the base plate (502).

5. A belt telescopic conveyor with a limiting structure according to claim 1, characterized in that: The inner walls of the two hollow tubes (203) on the left are slidably connected with telescopic rods (11), the tops of the two telescopic rods (11) are connected to the same fixed rod (10), and a camera (7) is fixedly connected to the bottom rear side of the fixed rod (10).

6. A belt telescopic conveyor with a limiting structure according to claim 5, characterized in that: The outer walls of the two hollow tubes (203) on the left side are threaded with fixing bolts (12), and the right ends of the two fixing bolts (12) are attached to the corresponding telescopic rods (11).

7. A belt telescopic conveyor with a limiting structure according to claim 5, characterized in that: Infrared scanning devices (9) are fixedly connected to the front and rear sides of the outer walls of the two hollow tubes (203), and the tops of the two telescopic rods (11) are connected to the same fixed rod (10), and an alarm (6) is fixedly connected to the front top of the fixed rod (10).

8. A belt telescopic conveyor with a limiting structure according to claim 1, characterized in that: The threaded locking mechanism (8) includes support legs (801), the tops of the multiple support legs (801) are fixedly connected to the bottom of the conveyor plate (1), the bottoms of the multiple support legs (801) are fixedly connected to threaded fixing plates (802), and the outer walls of the multiple threaded fixing plates (802) are threadedly connected to fixing bolts (803).

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