Protective device of grain conveyor

Abstract

The utility model discloses a grain conveyor protection device which comprises a supporting track, a telescopic supporting frame, rainproof tarpaulin and a driving mechanism, the telescopic supporting frame is in sliding fit with the supporting track, the rainproof tarpaulin is arranged on the telescopic supporting frame, and the driving mechanism is used for driving the telescopic supporting frame to slide along the supporting track so as to unfold or fold the rainproof tarpaulin. The grain conveyor is covered with the rain-proof tarpaulin, so that grains are in a closed state in the transportation process of the grain conveyor, the situation that grain bran impurities are blown off by wind to cause overlarge loss of stored grains in a warehouse can be prevented, and unit economic benefits can be effectively improved to a certain extent; the protection device can protect the grains from being wetted by rain to cause major potential safety hazards of the grains in the warehouse-in and warehouse-out period; the body health of operators can be protected, and the pollution of dust to the atmospheric environment is reduced; and the protection device is light in weight, simple and easy to operate, and convenient to maintain, popularize and use.

Description

Technical Field

[0001] This utility model belongs to the field of grain conveying technology, and specifically relates to a protective device for a grain conveyor. Background Technology

[0002] Grain conveyors are a type of belt conveyor, mainly used in grain silos, and are divided into stationary grain conveyors and mobile grain conveyors. In the warehousing and logistics process, grain conveyors can be used for grain transport, stacking, loading, and unloading within warehouses.

[0003] During the grain depot's storage and handling, weather conditions such as wind and rain can cause problems with existing grain conveyors: Wind during outbound transport can cause grain chaff and debris to be blown off the conveyors, reducing the outbound quantity and impacting the depot's economic efficiency; Rain during inbound transport poses a safety risk due to the large number of inbound machines and long transport routes, potentially causing the grain to get wet if not stopped promptly. Wet grain entering the storage area presents a safety hazard; Furthermore, chaff and dust carried by the wind into the atmosphere pollute the surrounding environment and can harm the respiratory system, lungs, and eyes of on-site workers. Utility Model Content

[0004] The purpose of this invention is to provide a protective device for grain conveyors to solve the aforementioned problems existing in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a protective device for a grain conveyor, comprising a support rail, a telescopic support frame, a rainproof tarpaulin, and a drive mechanism. The support rail is installed above the grain conveyor and laid along the length of the grain conveyor. The telescopic support frame is slidably engaged with the support rail. The rainproof tarpaulin is disposed on the telescopic support frame. The drive mechanism is used to drive the telescopic support frame to slide along the support rail to unfold or retract the rainproof tarpaulin. The drive mechanism comprises a drive motor, a drive gear, and a ring chain. The output end of the drive motor is connected to the drive gear. The drive gear meshes with the ring chain. The ring chain is movably disposed on the support rail and connected to the telescopic support frame.

[0006] As an optional implementation of the above technical solution, the telescopic support frame is provided with a pulley assembly adapted to the support track.

[0007] As an optional implementation of the above technical solution, the pulley assembly includes a pulley mounting plate, an upper pulley, and a lower pulley. The pulley mounting plate is connected to the telescopic support frame. The upper pulley and the lower pulley are both mounted on the pulley mounting plate and are clamped on the support rail and slide in cooperation with the support rail.

[0008] As an optional implementation of the above technical solution, the telescopic support frame includes a front movable frame, a rear fixed frame and several intermediate movable frames. The front movable frame is connected to a ring chain, and the several intermediate movable frames are arranged between the front movable frame and the rear fixed frame. The bottom of the front movable frame and the intermediate movable frames are all provided with pulley assemblies.

[0009] As an optional implementation of the above technical solution, the intermediate moving frame is a U-shaped structure.

[0010] As an optional implementation of the above technical solution, the surface of the rainproof tarpaulin is provided with folded texture.

[0011] As an optional implementation of the above technical solution, the drive motor is connected to a motor controller, the motor controller is connected to a remote control receiver, and the remote control receiver is equipped with a remote control transmitter.

[0012] As an optional implementation of the above technical solution, the drive motor is a servo motor.

[0013] The beneficial effects of this utility model are as follows:

[0014] This utility model utilizes a rainproof tarpaulin to cover the grain conveyor, keeping the grain in a closed state during transport. This prevents grain chaff and impurities from being blown away by the wind, thus avoiding excessive losses during storage and delivery, and effectively improving unit economic efficiency to a certain extent. The protective device also protects the grain from rain during storage and delivery, preventing significant food safety hazards. Furthermore, it protects the health of workers and reduces dust pollution to the atmosphere. Moreover, the device is lightweight, simple to operate, easy to maintain, and readily applicable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a protective device for a grain conveyor in one embodiment of this utility model;

[0016] Figure 2 This is a schematic diagram of the drive mechanism in one embodiment of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the intermediate movable frame in one embodiment of this utility model;

[0018] Figure 4 yes Figure 3 Enlarged view of section A.

[0019] In the diagram: 1-Support rail; 2-Telescopic support frame; 3-Rainproof tarpaulin; 4-Drive mechanism; 5-Grain conveyor; 6-Drive motor; 7-Drive gear; 8-Ring chain; 9-Pulley mounting plate; 10-Upper pulley; 11-Lower pulley; 12-Intermediate moving frame; 13-Motor controller; 14-Remote control receiver. Detailed Implementation

[0020] like Figures 1-4 As shown, this embodiment provides a protective device for a grain conveyor 5, including a support rail 1, a telescopic support frame 2, a rainproof tarpaulin 3, and a drive mechanism 4. The support rail 1 is installed above the grain conveyor 5 and laid along the length of the grain conveyor 5. The grain conveyor 5 is inclined to transport grain. There are typically two support rails 1, respectively located on the left and right sides of the grain conveyor 5. The telescopic support frame 2 is slidably engaged with the support rail 1. The rainproof tarpaulin 3 is mounted on the telescopic support frame 2. The drive mechanism 4 drives the telescopic support frame 2 to slide along the support rail 1 to unfold or retract the rainproof tarpaulin 3. When the drive mechanism 4 drives the telescopic support frame 2 to slide upward along the support rail 1, the telescopic support frame 2 extends, thereby unfolding the rainproof tarpaulin 3 and covering the grain conveyor 5, keeping the grain in a closed state during transport. When the drive mechanism 4 drives the telescopic support frame 2 to slide downward along the support rail 1, the telescopic support frame 2 shortens, thereby retracting the rainproof tarpaulin 3.

[0021] This utility model utilizes a rainproof tarpaulin 3 to cover the grain conveyor 5, keeping the grain in a closed state during transport. This prevents grain chaff and impurities from being blown away by the wind, thus avoiding excessive losses during storage and delivery, and effectively improving unit economic efficiency to a certain extent. This protective device can also protect the grain from rain during storage and delivery, preventing it from getting wet and causing significant food safety hazards. It can also protect the health of workers and reduce dust pollution to the atmosphere. Furthermore, this protective device is lightweight, simple to operate, easy to maintain, and convenient for widespread use.

[0022] like Figure 2 As shown, specifically, the drive mechanism 4 includes a drive motor 6, a drive gear 7, and a ring chain 8. The output end of the drive motor 6 is connected to the drive gear 7, and the drive gear 7 meshes with the ring chain 8. The ring chain 8 is movably mounted on the support rail 1 and connected to the telescopic support frame 2. The drive motor 6 is a servo motor, which drives the ring chain 8 through the drive gear 7, causing the telescopic support frame 2 to slide up and down with the ring chain 8, thus realizing the unfolding and retraction functions of the rainproof tarpaulin 3.

[0023] To improve the sliding stability of the telescopic support frame 2, the telescopic support frame 2 is equipped with a pulley assembly adapted to the support rail 1. For example... Figure 3 and Figure 4 As shown, specifically, the pulley assembly includes a pulley mounting plate 9, an upper pulley 10, and a lower pulley 11. The pulley mounting plate 9 is connected to the telescopic support frame 2. Both the upper pulley 10 and the lower pulley 11 are mounted on the pulley mounting plate 9, and are clamped onto the support rail 1 and slidably engaged with it. The pulley mounting plate 9 is located at the bottom of the telescopic support frame 2. Both the upper pulley 10 and the lower pulley 11 are mounted on one side of the pulley mounting plate 9, with the upper pulley 10 positioned above the lower pulley 11. The flange of the support rail 1 extends into the gap between the upper pulley 10 and the lower pulley 11, allowing the telescopic support frame 2 to slide up and down along the support rail 1.

[0024] In one specific embodiment, the telescopic support frame 2 includes a front movable frame, a rear fixed frame, and several intermediate movable frames 12. The front movable frame is connected to a ring chain 8, and the several intermediate movable frames 12 are disposed between the front movable frame and the rear fixed frame. The bottom of both the front movable frame and the intermediate movable frames 12 are provided with pulley assemblies. Figure 3 As shown, preferably, the intermediate moving frame 12 has a U-shaped structure. The rear fixed frame is located at the bottom of the support rail 1 and remains stationary. The drive motor 6 drives the ring chain 8 to move through the drive gear 7. The ring chain 8 carries the front moving frame up and down. Since the front moving frame, the rear fixed frame, and several intermediate moving frames 12 are all connected to the rainproof tarpaulin 3, the front moving frame can move each intermediate moving frame 12 through the rainproof tarpaulin 3, realizing the smooth unfolding and retraction of the rainproof tarpaulin 3.

[0025] To facilitate the unfolding and retraction of the rainproof tarpaulin 3, the surface of the rainproof tarpaulin 3 is provided with folding texture.

[0026] like Figure 2 As shown, in one specific embodiment, the drive motor 6 is connected to a motor controller 13, the motor controller 13 is connected to a remote control receiver 14, and the remote control receiver 14 is equipped with a remote control transmitter. The remote control transmitter can be used to realize wireless remote control of the drive motor 6, making it more convenient to unfold and retract the rainproof tarpaulin 3.

[0027] The protective device of this utility model is mainly composed of lightweight rainproof tarpaulin 3, aluminum telescopic support frame 2, support rail 1, pulley assembly and drive mechanism 4. Before the grain enters or leaves the warehouse, the protective device is designed with different dimensions according to the different models of grain conveyors 5 (belt width 700mm, 800mm, 1000mm, etc.) and the length of the conveyor (15m, 18m, 21m, etc.). After the protective device is designed, firstly, the two support rails 1 are fixed on the two side supports of the grain conveyor 5. Then, the telescopic support frame 2 with pulley assembly is installed on the support rails 1. Next, the rainproof tarpaulin 3 is fixed on the telescopic support frame 2. After the telescopic support frame 2 is connected to the drive mechanism 4, by activating the forward switch of the remote control transmitter, the telescopic support frame 2 moves slowly and pulls open the rainproof tarpaulin 3 at a uniform speed under the cooperation of the drive gear 7 and the ring chain 8. After the front moving frame of the telescopic support frame 2 moves to the front end of the support rail 1 and the rainproof tarpaulin 3 is fully opened, the forward switch is closed in time. After the grain conveyor 5 is in place, the grain in and out of the warehouse can be operated. After the grain in / out storage operation is completed or when mechanical maintenance is required, the reversing switch of the remote transmitter is activated. Under the cooperation of the drive gear 7 and the ring chain 8, the rainproof canopy of the telescopic support frame 2 slowly retracts. When the telescopic support frame 2 runs to the rear end of the support track 1, the reversing switch is turned off in time. The grain conveyor 5 or the protective device can then be repaired or parts replaced. Alternatively, the protective device can be removed for maintenance, thereby extending its service life. The entire work procedure is then completed.

[0028] This invention utilizes a rainproof tarpaulin 3 to cover the grain conveyor 5 during grain entry and exit from storage, keeping the grain in a closed state during transport. Compared to existing technologies, it has the following main advantages: First, due to the airtight protective function of this device, it can prevent grain chaff and impurities from being blown away by the wind, thus preventing excessive losses during grain storage and exit, and effectively improving unit economic efficiency to a certain extent. Second, it can protect the grain from getting wet during entry and exit from storage, preventing significant food safety hazards. Third, it can protect the health of operators and reduce dust pollution to the atmospheric environment. Fourth, the device is lightweight, simple to operate, easy to maintain, and convenient for widespread use.

[0029] In this description of the utility model, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. They can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model. Furthermore, the specific features and structures described in the embodiments are included in at least one implementation method. Those skilled in the art can combine features from different implementation methods without contradiction. The scope of protection of this utility model is not limited to the specific implementation methods described above. Based on the basic technical concept of this utility model, implementation methods that can be conceived by those skilled in the art without creative effort are all within the scope of protection of this utility model.

Claims

1. A protective device for a grain conveyor, characterized in that, The system includes a support rail (1), a telescopic support frame (2), a rainproof tarpaulin (3), and a drive mechanism (4). The support rail (1) is installed above the grain conveyor (5) and laid out along the length of the grain conveyor (5). The telescopic support frame (2) is slidably engaged with the support rail (1). The rainproof tarpaulin (3) is set on the telescopic support frame (2). The drive mechanism (4) is used to drive the telescopic support frame (2) to slide along the support rail (1) to unfold or retract the rainproof tarpaulin (3). The drive mechanism (4) includes a drive motor (6), a drive gear (7), and a ring chain (8). The output end of the drive motor (6) is connected to the drive gear (7). The drive gear (7) meshes with the ring chain (8). The ring chain (8) is movably set on the support rail (1) and connected to the telescopic support frame (2).

2. The grain conveyor protection device according to claim 1, characterized in that, The telescopic support frame (2) is equipped with a pulley assembly that is compatible with the support rail (1).

3. The grain conveyor protection device according to claim 2, characterized in that, The pulley assembly includes a pulley mounting plate (9), an upper pulley (10), and a lower pulley (11). The pulley mounting plate (9) is connected to the telescopic support frame (2). The upper pulley (10) and the lower pulley (11) are both mounted on the pulley mounting plate (9). The upper pulley (10) and the lower pulley (11) are clamped on the support rail (1) and slide in cooperation with the support rail (1).

4. The grain conveyor protection device according to claim 3, characterized in that, The telescopic support frame (2) includes a front movable frame, a rear fixed frame and several intermediate movable frames (12). The front movable frame is connected to a ring chain (8). Several intermediate movable frames (12) are arranged between the front movable frame and the rear fixed frame. The bottom of the front movable frame and the intermediate movable frames (12) are provided with pulley assemblies.

5. The grain conveyor protection device according to claim 4, characterized in that, The intermediate moving frame (12) has a U-shaped structure.

6. The grain conveyor protection device according to claim 1, characterized in that, The surface of the rainproof tarpaulin (3) is provided with folded texture.

7. The grain conveyor protection device according to claim 1, characterized in that, The drive motor (6) is connected to a motor controller (13), the motor controller (13) is connected to a remote control receiver (14), and the remote control receiver (14) is equipped with a remote control transmitter.

8. The protective device for a grain conveyor according to claim 1, characterized in that, The drive motor (6) is a servo motor.

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