Discharging car of belt conveyor
By introducing a mobile trolley and a mobile funnel structure into the unloading car of the belt conveyor, and using an electro-hydraulic actuator to control the position of the feed inlet, the problem of material accumulation in the unloading chute was solved, achieving highly reliable unloading and reducing the failure rate and maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TANG STEEL INT ENG TECH CORP
- Filing Date
- 2025-05-26
- Publication Date
- 2026-05-15
AI Technical Summary
The unloading chute of the existing belt conveyor unloading car is prone to material accumulation during unloading, which makes it difficult to flip the flap and even causes the shaft to break, reducing the reliability of the unloading car and the normal unloading efficiency of the belt conveyor.
The system employs a mobile trolley and mobile funnel structure, and controls the inlet position of the mobile funnel via an electro-hydraulic actuator to achieve flexible switching of the unloading channel. This replaces the traditional flap valve switching method and ensures that materials can be accurately unloaded onto the belt or sides of the belt conveyor.
This improved the reliability of the unloading vehicle, reduced the equipment failure rate, decreased the demand for spare parts and maintenance costs, and ensured the normal unloading operation of the belt conveyor.
Smart Images

Figure CN224242095U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a highly reliable belt conveyor unloading vehicle, belonging to the field of conveying equipment technology. Background Technology
[0002] A belt conveyor unloading cart is a type of unloading device for belt conveyors. It includes a frame with a drive unit, redirecting rollers, a receiving hopper, and a discharge chute. The frame is mounted on light rails on the belt conveyor frame and can travel along the conveyor. The conveyor belt passes over two redirecting rollers on the frame, which are at different heights and positions. The receiving hopper receives material below the higher redirecting roller and feeds it into the discharge chute. When the belt conveyor needs to unload midway, the unloading cart travels to the unloading point, and the discharge chute transports the material to the side of the belt conveyor. If midway unloading is not required, the discharge chute unloads the material back onto the belt conveyor. The unloading cart allows for unloading at any point along the horizontal section of the belt conveyor, facilitating overall material distribution.
[0003] Existing unloading chutes for belt conveyors typically use flap valves to switch unloading channels, enabling unloading from both sides of the belt conveyor or transferring materials onto the conveyor belt. However, when the unloading chutes unload onto the conveyor belt, material accumulates on the flap valves on both sides, making it difficult for the flap valves to turn. In severe cases, this can cause the flap valve shafts to break, significantly reducing the reliability of the unloading chutes and affecting the normal unloading of the belt conveyor. Therefore, it is essential to improve the existing unloading chutes. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a highly reliable belt conveyor unloading vehicle to ensure the normal unloading of belt conveyors.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A belt conveyor unloading trolley includes a frame equipped with a drive unit, two redirecting rollers, a receiving hopper, a moving trolley, and a moving hopper. The frame is mounted on a light rail on the belt conveyor frame. The two redirecting rollers are mounted on the frame with different heights and front-to-back positions. The belt of the belt conveyor passes over the two redirecting rollers. The receiving hopper is fixed below the higher redirecting roller. The moving trolley is slidably mounted on the frame via a rail and is equipped with a travel drive unit. The moving hopper is fixed on the frame. The top of the moving hopper has a forward inlet and a rear inlet corresponding to the discharge outlet at the bottom of the receiving hopper. The lower part of the moving hopper has a central chute and a side chute. The upper end of the central chute is connected to the forward inlet, and the lower end is opposite to the belt of the belt conveyor. The upper end of the side chute is connected to the rear inlet, and the lower end is located on the side of the belt conveyor.
[0007] In the aforementioned belt conveyor unloading vehicle, the traveling drive device of the mobile trolley is an electro-hydraulic actuator. The electro-hydraulic actuator is mounted on the vehicle frame via a bracket, and the piston rod of the electro-hydraulic actuator is parallel to the track and connected to the mobile trolley.
[0008] The aforementioned belt conveyor unloading vehicle has two side chutes, with their lower ends located on both sides of the belt conveyor.
[0009] The aforementioned belt conveyor unloading vehicle also includes two fixed chutes, which are fixed on both sides of the vehicle frame. The lower ends of the two side chutes are inserted into the feed inlets at the upper ends of the two fixed chutes, and can move back and forth within the feed inlets of the fixed chutes.
[0010] The aforementioned belt conveyor unloading vehicle has a proximity switch installed on its frame corresponding to the moving trolley, and the signal output terminal of the proximity switch is connected to the controller of the electro-hydraulic actuator.
[0011] The aforementioned belt conveyor unloading vehicle has an unloading hole on its body, and the intermediate chute passes through the unloading hole.
[0012] This invention switches the unloading channel by moving a trolley and a hopper, enabling unloading from both sides of the belt conveyor or unloading materials onto the belt conveyor belt. Compared with the traditional unloading trolley that uses a flap valve to switch the unloading channel, it has higher reliability, reduces equipment failure rate, and ensures normal unloading of the belt conveyor. Attached Figure Description
[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 yes Figure 1 The left view;
[0016] Figure 3 This is a structural diagram of the mobile cart;
[0017] Figure 4 This is a schematic diagram of the moving funnel.
[0018] The following are the labels in the diagram: 1. Chassis; 2. Moving hopper; 3. Moving trolley; 4. Track; 5. Fixed chute; 6. Belt conveyor; 7. Electro-hydraulic actuator; 8. Conveyor belt; 9. Receiving hopper; 10. Idling roller.
[0019] 2-1. Front feed inlet; 2-2. Rear feed inlet; 2-3. Intermediate chute; 2-4. Side chute;
[0020] 3-1. Discharge hole. Detailed Implementation
[0021] This utility model addresses the problems existing in the prior art by providing a belt conveyor unloading vehicle. This unloading vehicle uses a mobile funnel instead of a flap valve, which greatly improves the reliability of the unloading vehicle, reduces the failure rate, reduces the number of spare parts, saves maintenance costs, and improves production efficiency.
[0022] See Figures 1-4 This utility model mainly includes a frame 1 equipped with a drive device, two redirecting rollers 10, a receiving hopper 9, a moving hopper 2, a moving trolley 3, a track 4, and an electro-hydraulic actuator 7. The frame 1 is mounted on a light rail on the frame of a belt conveyor 6 via wheels, allowing it to travel along the light rail. The two redirecting rollers 10 are mounted on the frame 1 with different heights and front-to-back positions. The conveyor belt 8 of the belt conveyor 6 passes over the two redirecting rollers 10. The receiving hopper 9 is fixed below the higher redirecting roller 10. The moving trolley 3 is slidably mounted on the frame 1 via the track 4. The moving trolley 3 is equipped with a travel drive device, which can be an electro-hydraulic actuator 7. The electro-hydraulic actuator 7 is mounted on the frame 1 via a bracket. The piston rod of the electro-hydraulic actuator 7 is parallel to the track 4 and connected to the moving trolley 3. The moving hopper... 2 is fixed on the frame 1. The top of the mobile funnel 2 is provided with a front feed port 2-1 and a rear feed port 2-2 corresponding to the discharge port at the bottom of the receiving funnel 9. The front feed port 2-1 is located in front of the rear feed port 2-2. When the electro-hydraulic push rod 7 drives the mobile trolley 3 to move along the track 4, the material discharged from the receiving funnel 9 can enter the front feed port 2-1 or the rear feed port 2-2. The lower front part of the mobile funnel 2 is provided with a middle chute 2-3. The upper end of the middle chute 2-3 is connected to the front feed port 2-1, and the lower end passes through the discharge hole 3-1 on the mobile trolley 3 and is opposite to the belt 8 of the belt conveyor 6. The lower rear part of the mobile funnel 2 is provided with two symmetrical side chute 2-4. The upper ends of the two side chute 2-4 are connected to the rear feed port 2-2, and the lower ends are located on both sides of the belt conveyor 6.
[0023] Working principle: When the belt conveyor 6 does not require unloading midway, the position of the moving trolley 3 is controlled by the electro-hydraulic actuator 7, so that the inlet 2-1 of the moving hopper 2 is aligned with the outlet at the bottom of the receiving hopper 9. After the material on the belt 8 of the belt conveyor 6 falls into the receiving hopper 9, it enters the intermediate chute 2-3 through the inlet 2-1, and then falls back onto the belt 8 along the intermediate chute 2-3, continuing to be conveyed on the belt 8. When the belt conveyor 6 needs to unload midway, the unloading trolley first moves to the unloading point, and then the position of the moving trolley 3 is controlled by the electro-hydraulic actuator 7, so that the rear inlet 2-2 of the moving hopper 2 is aligned with the outlet at the bottom of the receiving hopper 9. After the material on the belt 8 of the belt conveyor 6 falls into the receiving hopper 9, it enters the two side chute 2-4 through the rear inlet 2-2, and then falls back onto both sides of the belt conveyor 6 along the two side chute 2-4, thus achieving midway unloading.
[0024] The mobile trolley 3 is used to carry the mobile funnel 2, and the electro-hydraulic actuator 7 is used to control the position of the mobile trolley 3 and the mobile funnel 2. In order to reduce the load on the electro-hydraulic actuator 7 and the mobile trolley 3, the length of the two side chutes 2-4 can be shortened. At the same time, the two fixed chutes 5 are fixed on both sides of the frame 1 respectively. The lower ends of the two side chutes 2-4 are inserted into the feed inlets at the upper ends of the two fixed chutes 5 respectively, and can move back and forth in the feed inlets of the fixed chutes 5. When the side chutes 2-4 move, their lower ends always remain in the feed inlets at the upper ends of the fixed chutes 5, and the material falling through the side chutes 2-4 can always enter the fixed chutes 5.
[0025] In order to ensure that the feed inlet 2-1 or the feed outlet 2-2 of the moving funnel 2 can be aligned with the discharge outlet at the bottom of the receiving funnel 9 after the electro-hydraulic actuator 7 is activated, a proximity switch (not shown in the figure) corresponding to the moving trolley 3 can be installed on the frame 1. When the feed inlet 2-1 or the feed outlet 2-2 is aligned with the discharge outlet at the bottom of the receiving funnel 9, the proximity switch is triggered, and the signal output terminal of the proximity switch is connected to the controller of the electro-hydraulic actuator 7.
[0026] This utility model has a simple structure, is easy to use and manufacture. Compared with the traditional unloading vehicle that uses a flap valve to switch the unloading channel, its reliability is significantly improved, thereby reducing the failure rate of the unloading vehicle, reducing the number of spare parts, saving maintenance costs and improving production efficiency.
Claims
1. A belt conveyor unloading vehicle, characterized in that, The device includes a frame (1) with a drive unit, two redirecting rollers (10), a receiving hopper (9), a moving trolley (3), and a moving funnel (2). The frame (1) is mounted on a light rail on the frame of a belt conveyor (6). The two redirecting rollers (10) are mounted on the frame (1) and their heights and front-to-back positions are different. The belt (8) of the belt conveyor (6) passes around the two redirecting rollers (10). The receiving hopper (9) is fixed below the higher redirecting roller (10). The moving trolley (3) is slidably mounted on the frame (1) via a track (4) and is equipped with a traveling mechanism. The driving device, the mobile funnel (2) is fixed on the frame (1), the top of the mobile funnel (2) is provided with a front feed port (2-1) and a rear feed port (2-2) corresponding to the discharge port at the bottom of the receiving funnel (9), the lower part of the mobile funnel (2) is provided with a middle chute (2-3) and a side chute (2-4), the upper end of the middle chute (2-3) is connected to the front feed port (2-1), the lower end is opposite to the belt (8) of the belt conveyor (6), the upper end of the side chute (2-4) is connected to the rear feed port (2-2), and the lower end is located on the side of the belt conveyor (6).
2. The belt conveyor unloading vehicle according to claim 1, characterized in that, The driving device for the mobile trolley (3) is an electro-hydraulic actuator (7), which is mounted on the frame (1) via a bracket. The piston rod of the electro-hydraulic actuator (7) is parallel to the track (4) and connected to the mobile trolley (3).
3. A belt conveyor unloading vehicle according to claim 1 or 2, characterized in that, Two side chutes (2-4) are provided, with their lower ends located on both sides of the belt conveyor (6).
4. The belt conveyor unloading vehicle according to claim 3, characterized in that, It also includes two fixed chutes (5), which are fixed on both sides of the frame (1). The lower ends of the two side chutes (2-4) are inserted into the feed inlets at the upper ends of the two fixed chutes (5) respectively, and can move back and forth in the feed inlets of the fixed chutes (5).
5. A belt conveyor unloading vehicle according to claim 4, characterized in that, The frame (1) is equipped with a proximity switch corresponding to the mobile trolley (3), and the signal output terminal of the proximity switch is connected to the controller of the electro-hydraulic actuator (7).
6. A belt conveyor unloading vehicle according to claim 5, characterized in that, The mobile trolley (3) has a discharge hole (3-1) on its body, and the intermediate chute (2-3) passes through the discharge hole (3-1).