Belt conveyor head double flap linkage material distribution mechanism

Abstract

The application provides a belt conveyor head double-flap linkage material distributing mechanism and relates to the field of belt conveyors. The material conveying bin is bolted to the right side of the belt conveyor mounting frame. The sound-light alarm is bolted to the rear side of the positioning mounting box. The material guiding flap is rotationally connected to the left and right sides of the material conveying bin. The sliding mounting plate is slidably connected to the inner side of the positioning mounting box. The application can timely remind workers to troubleshoot and handle the problem in the early stage of the driving device failure, avoid the serious load deviation of the material bin caused by the continuous development of the failure, and solve the problem that the driving device failure is difficult to be found in the early stage, leading to the serious load deviation of the material bin.

Description

Technical Field

[0001] This invention relates to the field of belt conveyor technology, and in particular to a belt conveyor head double-flip plate linkage material distribution mechanism. Background Technology

[0002] When materials are conveyed by belt conveyor, they are transported to the head hopper. The falling materials are guided to different areas of the hopper by the swing of the flap. The drive device adopts an intermittent operation mode, which can set the dwell time of the flap on the left and right sides according to the material distribution in the hopper, and precisely adjust the amount of material discharged on both sides to achieve uniform distribution of materials in the hopper.

[0003] For example, CN114476724B discloses a dual-function material distribution device for bagged and bulk materials in a ship loader, including a boom, a boom belt conveyor, an intermediate frame, a central column, a spiral chute, a dust collection hopper, a switching flap, and a discharge hopper. The dual-function material distribution device for bagged and bulk materials in a ship loader provided by this invention switches to bulk material mode for loading bulk materials onto the ship when the material being transported is bulk; and switches to bagged mode for loading bagged materials onto the ship when the material being transported is bagged. Simultaneously, bulk materials are directly discharged through the central column and dust collection hopper, while bagged materials are discharged through the spiral chute next to the central column, avoiding the use of telescopic chutes for bulk material loading in the traditional mode.

[0004] However, when the drive unit stops due to a malfunction, the flap will get stuck in the position it was in when it stopped. At this time, the material will slide down the flap to the same area of ​​the silo, forming a localized material pile, which affects the uniformity of material distribution. The malfunction is difficult to detect in time in the early stage, resulting in severe uneven loading of the silo, which in turn causes uneven feeding of the boiler and unstable combustion. Summary of the Invention

[0005] In view of this, the present invention provides a double-flip-plate linkage material distribution mechanism at the head of a belt conveyor, which can effectively adapt to the harsh working conditions of biomass power plants with high dust and strong vibration. It reduces the problem of concentrated material falling and forming localized material piles, significantly improving the filling rate and material distribution uniformity of the hopper, laying the foundation for stable combustion in the subsequent boiler. It can realize a delayed alarm function, effectively filtering false alarms caused by interference factors such as instantaneous voltage fluctuations and temporary material jamming. It can promptly alert personnel to troubleshoot and handle problems in the early stages of drive device failure, avoiding problems such as severe hopper overloading, uneven boiler feeding, unstable combustion, even furnace coking, and reduced unit load operation caused by the continued development of the fault. This greatly reduces the probability of production accidents, ensures the continuous and stable operation of the biomass power plant, and reduces unplanned shutdowns. The economic losses caused by the machine have been mitigated by the enhanced overall structural strength of the material guide flap, which can withstand long-term impacts from hard materials, prevent flap deformation and cracking, and extend the service life of the flap. The limiting guide rod not only provides precise sliding guidance and limiting for the sliding buffer plate, preventing the buffer plate from shifting and jamming due to impact, but also plays an auxiliary guiding role in the material flow, further optimizing the material flow trajectory. The detachable design of the positioning mounting plate and positioning connecting bolts facilitates the maintenance of the buffer structure and the replacement of vulnerable parts, reducing the cost and difficulty of operation and maintenance. The sliding buffer plate, together with the second damping elastic element, can effectively absorb the impact load when the material falls, reduce the vibration and wear of the flap, and at the same time avoid the problem of material rebound and splashing due to rigid collision, further improving the uniformity and stability of the fabric.

[0006] This invention provides a double-flip-plate linkage material distribution mechanism for a belt conveyor head, specifically comprising: a belt conveyor mounting frame, a material conveying bin, a positioning mounting box, an audible and visual alarm, a transmission structure, a monitoring structure, a buffer structure, a material guide flap, and a sliding mounting plate; the material conveying bin is bolted to the right side of the belt conveyor mounting frame; the positioning mounting box is bolted to the rear side of the material conveying bin; the audible and visual alarm is bolted to the rear side of the positioning mounting box, and a timer is connected in series in the control circuit of the audible and visual alarm; the transmission structure is located on the front side of the material conveying bin; the monitoring structure is located on the lower side of the material conveying bin; two material guide flaps are provided, and the two material guide flaps are rotatably connected to the left and right sides of the material conveying bin respectively; the sliding mounting plate is slidably connected to the inner side of the positioning mounting box; and the buffer structure is located in the middle of the material guide flap.

[0007] Furthermore, the transmission structure includes a limiting mounting cover and a reciprocating self-locking drive component; the limiting mounting cover is bolted to the front side of the material conveying bin; the reciprocating self-locking drive component is bolted to the front side of the limiting mounting cover.

[0008] Furthermore, the transmission structure also includes a limiting drive disk and a guide limiting shaft; the limiting drive disk is rotatably connected to the middle of the limiting mounting cover, and the limiting drive disk is coaxially and fixedly connected to the output shaft of the reciprocating self-locking drive component; the guide limiting shaft is fixedly connected to the outside of the limiting drive disk.

[0009] Furthermore, the transmission structure also includes a swing connecting rod and a guide connecting groove; the swing connecting rod is fixedly connected to the front side of the material guide flap on the right; the guide connecting groove is formed in the lower part of the swing connecting rod, and the guide connecting groove is slidably connected to the guide limiting shaft.

[0010] Furthermore, the monitoring structure includes a first damping elastic element; the upper end of the first damping elastic element is fixedly connected to the upper part of the sliding mounting plate, and the lower end of the first damping elastic element is fixedly connected to the lower part of the positioning mounting box.

[0011] Furthermore, the monitoring structure also includes a push-button switch; two push-button switches are provided, respectively located on the upper and lower sides of the sliding mounting plate, and both push-button switches are connected in series with the control circuit of the audible and visual alarm, and the two push-button switches are connected in parallel with each other.

[0012] Furthermore, the monitoring structure also includes a transmission connecting rod and an active drive wheel; there are two transmission connecting rods, the left ends of which are rotatably connected to the front and rear sides of the left material guide flap, and the right ends of which are rotatably connected to the front and rear sides of the right material guide flap; the active drive wheel is fixedly connected to the rear of the right material guide flap.

[0013] Furthermore, the buffer structure includes reinforcing support rods and limiting guide rods; multiple reinforcing support rods are provided, and the multiple reinforcing support rods are evenly distributed and fixedly connected to the outer sides of the two material guide flaps; multiple limiting guide rods are provided, and the multiple limiting guide rods are evenly distributed and fixedly connected to the inner sides of the two material guide flaps.

[0014] Furthermore, the buffer structure also includes positioning mounting plates and positioning connecting bolts; multiple positioning mounting plates are provided, and the multiple positioning mounting plates are evenly distributed and inserted into the middle of the two material guide flaps; multiple positioning connecting bolts are provided, and the multiple positioning connecting bolts are evenly distributed and fixedly connected to the middle of the multiple positioning mounting plates, and the multiple positioning connecting bolts are respectively inserted into the two material guide flaps.

[0015] Furthermore, the buffer structure also includes sliding buffer plates and second damping elastic elements; multiple sliding buffer plates are provided, and the multiple sliding buffer plates are evenly distributed and inserted into the inner side of the two material guide flaps; multiple second damping elastic elements are provided, and the inner ends of the multiple second damping elastic elements are evenly distributed and fixedly connected to the middle of the multiple sliding buffer plates; the outer ends of the multiple second damping elastic elements located in the middle are respectively fixedly connected to the multiple positioning mounting plates; and the outer ends of the remaining multiple second damping elastic elements are respectively attached to the two material guide flaps.

[0016] Beneficial effects This invention achieves synchronous, counter-cyclical oscillation of two material guide flaps via a transmission connecting rod. This results in excellent synchronization and a low failure rate, effectively adapting to the harsh operating conditions of biomass power plants characterized by high dust and strong vibration. It reduces the problem of concentrated material falling and forming localized material piles, significantly improving the filling rate and uniformity of the silo, thus laying the foundation for stable boiler combustion. Through the cooperation of an active drive wheel, sliding mounting plate, first damping elastic element, and parallel push-button switch, the actual movement status of the flaps is directly monitored in real time. Combined with a timer connected in series in the audible and visual alarm control circuit, a delayed alarm function is achieved, effectively filtering false alarms caused by instantaneous voltage fluctuations, brief material jamming, and other interference factors. This allows for timely alerting of personnel to troubleshoot and handle problems in the early stages of drive device failure, preventing issues such as severe silo overloading, uneven boiler feeding, unstable combustion, even furnace coking, and reduced unit load operation caused by the continued development of the fault. This design significantly reduces the probability of production accidents, ensures the continuous and stable operation of biomass power plants, and reduces economic losses caused by unplanned shutdowns. The reinforced support rods significantly enhance the overall structural strength of the material guide flap, enabling it to withstand long-term impacts from hard materials, preventing flap deformation and cracking, and extending its service life. The limiting guide rods not only provide precise sliding guidance and limiting for the sliding buffer plate, preventing it from shifting or jamming due to impacts, but also assist in guiding material flow, further optimizing the material trajectory. The detachable design of the positioning mounting plate and positioning connecting bolts facilitates later maintenance of the buffer structure and replacement of vulnerable parts, reducing operation and maintenance costs and difficulty. The sliding buffer plate, in conjunction with the second damping elastic element, effectively absorbs the impact load when materials fall, reducing flap vibration and wear, while also preventing material rebound and splashing due to rigid collisions, further improving the uniformity and stability of the material distribution. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0018] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0019] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 This is a schematic diagram showing the positional relationship between the material conveying bin, the positioning installation box, and the audible and visual alarm of the present invention.

[0021] Figure 3 This is a schematic diagram showing the positional relationship between the positioning mounting box, the material guide flap, and the sliding mounting plate of the present invention.

[0022] Figure 4 This is a schematic diagram showing the positional relationship between the sliding mounting plate, the push-button switch, and the first damping elastic element of the present invention.

[0023] Figure 5 This is a schematic diagram showing the positional relationship between the reciprocating self-locking drive component, the material guide flap, and the transmission connecting rod of the present invention.

[0024] Figure 6 This is a schematic diagram showing the positional relationship between the limit drive disk, the guide limit shaft, and the swing connecting rod of the present invention.

[0025] Figure 7 This is a schematic diagram showing the disassembled structure of the material guiding flap and the sliding buffer plate of the present invention.

[0026] Figure 8 This is a schematic diagram showing the disassembled structure of the material guiding flap, positioning mounting plate, and sliding buffer plate of the present invention.

[0027] List of reference numerals 1. Belt conveyor mounting frame; 2. Material conveying bin; 201. Limit mounting cover; 202. Reciprocating self-locking drive component; 203. Limit drive disc; 204. Guide limit shaft; 205. Swing connecting rod; 206. Guide connecting groove; 3. Positioning mounting box; 301. First damping elastic element; 4. Audible and visual alarm; 5. Material guide flap; 501. Reinforcing support rod; 502. Limit guide rod; 503. Positioning mounting plate; 504. Positioning connecting bolt; 505. Sliding buffer plate; 506. Second damping elastic element; 507. Transmission connecting rod; 508. Drive wheel; 6. Sliding mounting plate; 601. Push-button switch. Detailed Implementation

[0028] Example 1: Please refer to Figures 1 to 6 As shown: This invention provides a double-flip-plate linkage material distribution mechanism for the head of a belt conveyor, including a belt conveyor mounting frame 1, a material conveying bin 2, a positioning mounting box 3, an audible and visual alarm 4, a transmission structure, a monitoring structure, material guide flip plates 5, and a sliding mounting plate 6. The material conveying bin 2 is bolted to the right side of the belt conveyor mounting frame 1; the positioning mounting box 3 is bolted to the rear side of the material conveying bin 2; the audible and visual alarm 4 is bolted to the rear side of the positioning mounting box 3, and a timer is connected in series in the control circuit of the audible and visual alarm 4; the transmission structure is located on the front side of the material conveying bin 2; the monitoring structure is located on the lower side of the material conveying bin 2; two material guide flip plates 5 are provided, and the two material guide flip plates 5 are rotatably connected to the left and right sides of the material conveying bin 2 respectively; the sliding mounting plate 6 is slidably connected to the inner side of the positioning mounting box 3.

[0029] The transmission structure includes a limiting mounting cover 201 and a reciprocating self-locking drive component 202; the limiting mounting cover 201 is bolted to the front side of the material conveying bin 2; the reciprocating self-locking drive component 202 is bolted to the front side of the limiting mounting cover 201.

[0030] The transmission structure also includes a limit drive disk 203 and a guide limit shaft 204; the limit drive disk 203 is rotatably connected to the middle of the limit mounting cover 201, and the limit drive disk 203 is coaxially fixedly connected to the output shaft of the reciprocating self-locking drive component 202; the guide limit shaft 204 is fixedly connected to the outside of the limit drive disk 203.

[0031] The transmission structure also includes a swing connecting rod 205 and a guide connecting groove 206; the swing connecting rod 205 is fixedly connected to the front side of the right material guide flap 5; the guide connecting groove 206 is opened at the lower part of the swing connecting rod 205, and the guide connecting groove 206 is slidably connected to the guide limiting shaft 204.

[0032] The monitoring structure includes a first damping elastic element 301; the upper end of the first damping elastic element 301 is fixedly connected to the upper part of the sliding mounting plate 6, and the lower end of the first damping elastic element 301 is fixedly connected to the lower part of the positioning mounting box 3.

[0033] The monitoring structure also includes a push-button switch 601; there are two push-button switches 601, which are respectively located on the upper and lower sides of the sliding mounting plate 6. Both push-button switches 601 are connected in series with the control circuit of the audible and visual alarm 4, and the two push-button switches 601 are connected in parallel with each other.

[0034] The monitoring structure also includes a transmission connecting rod 507 and an active drive wheel 508. There are two transmission connecting rods 507. The left ends of the two transmission connecting rods 507 are rotatably connected to the front and rear sides of the left material guide flap 5, respectively, and the right ends of the two transmission connecting rods 507 are rotatably connected to the front and rear sides of the right material guide flap 5, respectively. The active drive wheel 508 is fixedly connected to the rear of the right material guide flap 5.

[0035] The specific usage and function of this embodiment are as follows: During normal operation of the mechanism, the reciprocating self-locking drive component 202 drives the limit drive disk 203 to rotate at a constant speed according to a preset program. The guide limit shaft 204 on the limit drive disk 203 slides up and down in the guide connecting groove 206 of the swing connecting rod 205, converting the circular motion into the reciprocating swing of the swing connecting rod 205, which in turn drives the right material guide flap 5 to swing left and right around its axis. The right material guide flap 5 drives the left material guide flap 5 to swing synchronously in the opposite direction through the transmission connecting rods 507 on both the front and rear sides, realizing the alternating swing of the two material guide flaps 5. The material conveyed by the belt conveyor to the material conveying bin 2 is sequentially guided to the left and right areas of the bin, completing the uniform distribution of the bin. At the same time, the active drive wheel 508 at the rear of the right material guide flap 5 swings synchronously with the flap, periodically pushing the sliding mounting plate 6, so that the sliding mounting plate 6 is in the positioning mounting box 3. When the push-button switch 601 moves up and down repeatedly, it will be triggered by pressure. At this time, the timer connected to the circuit of the audible and visual alarm 4 will start running. Before the timer ends, the push-button switch 601 will be triggered again, and the timer will restart to prevent the audible and visual alarm 4 from starting. If a fault causes the flap to stop rotating, and the timer reaches the longest stopping time of the flap, and the push-button switch 601 is not triggered again, the audible and visual alarm 4 will sound an alarm to remind the staff to check the fault in time and avoid the continuous accumulation of materials in the same area of ​​the silo, which may cause problems such as uneven silo loading, uneven boiler feeding, and coking in the furnace. This ensures the continuous and stable operation of the biomass power plant. The first damping elastic element 301 can buffer the sliding of the sliding mounting plate 6 to prevent the push-button switch 601 from being damaged by a large impact. The limit mounting cover 201 can limit the installation position of the reciprocating self-locking drive element 202 and prevent impurities from entering the guide connecting groove 206.

[0036] Example 2: like Figures 5 to 8 As shown: Based on Embodiment 1, a buffer structure is also included; the buffer structure is located in the middle of the material guide flap 5.

[0037] The buffer structure includes reinforcing support rods 501 and limiting guide rods 502. Multiple reinforcing support rods 501 are provided, and the multiple reinforcing support rods 501 are evenly distributed and fixedly connected to the outer side of the two material guide flaps 5. Multiple limiting guide rods 502 are provided, and the multiple limiting guide rods 502 are evenly distributed and fixedly connected to the inner side of the two material guide flaps 5.

[0038] The buffer structure also includes positioning mounting plates 503 and positioning connecting bolts 504; multiple positioning mounting plates 503 are provided, and multiple positioning mounting plates 503 are evenly distributed and inserted into the middle of two material guide flaps 5; multiple positioning connecting bolts 504 are provided, and multiple positioning connecting bolts 504 are evenly distributed and fixedly connected to the middle of multiple positioning mounting plates 503, and multiple positioning connecting bolts 504 are respectively inserted into two material guide flaps 5.

[0039] The buffer structure also includes sliding buffer plates 505 and second damping elastic elements 506. Multiple sliding buffer plates 505 are provided, and the multiple sliding buffer plates 505 are evenly distributed and inserted into the inner side of the two material guide flaps 5. Multiple second damping elastic elements 506 are provided, and the inner ends of the multiple second damping elastic elements 506 are evenly distributed and fixedly connected to the middle of the multiple sliding buffer plates 505. The outer ends of the multiple second damping elastic elements 506 located in the middle are respectively fixedly connected to multiple positioning mounting plates 503. The outer ends of the remaining multiple second damping elastic elements 506 are respectively attached to the two material guide flaps 5.

[0040] The specific usage and function of this embodiment are as follows: During the fabric laying process, the falling material first contacts the sliding buffer plate 505. The sliding buffer plate 505 compresses the second damping elastic element 506 to absorb the impact force of the material, protecting the material guide flap 5 from damage. After the impact force disappears, the second damping elastic element 506 drives the sliding buffer plate 505 to automatically reset to the initial position, thereby effectively reducing the impact load of the material on the flap, reducing the vibration and wear of the flap, and preventing the material from rebounding and splashing due to rigid collision, ensuring the uniformity of the fabric laying. The reinforcing support rod 501 can enhance the overall structural strength of the material guide flap 5, preventing the flap from deforming and cracking due to long-term impact of hard materials. The limiting guide rod 502 can provide guidance and limit for the sliding of the sliding buffer plate 505, preventing the sliding buffer plate 505 from deviating and getting stuck when impacted by the material. At the same time, the limiting guide rod 502 can also provide guidance for the flow of material, optimizing the material flow trajectory. The positioning mounting plate 503 and the material guide flap 5 are detachably connected by the positioning connecting bolt 504, which facilitates the maintenance of the buffer structure and the replacement of vulnerable parts in the later stage.

[0041] The following points should be noted in this article: 1. The accompanying drawings of this embodiment only involve the structures involved in this embodiment; other structures can refer to the general design.

[0042] 2. Where there is no conflict, this embodiment and the features in the embodiment can be combined with each other to obtain new embodiments.

[0043] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A double-flip-plate linkage material distribution mechanism for a belt conveyor head, comprising a belt conveyor mounting frame (1), a material conveying bin (2), a positioning mounting box (3), an audible and visual alarm (4), a transmission structure, a monitoring structure, a buffer structure, a material guide flap (5), and a sliding mounting plate (6); the material conveying bin (2) is bolted to the right side of the belt conveyor mounting frame (1); the positioning mounting box (3) is bolted to the rear side of the material conveying bin (2); characterized in that: The audible and visual alarm (4) is bolted to the rear side of the positioning and mounting box (3), and a timer is connected in series in the control circuit of the audible and visual alarm (4); the transmission structure is set on the front side of the material conveying bin (2); the monitoring structure is set on the lower side of the material conveying bin (2); there are two material guide flaps (5), and the two material guide flaps (5) are rotatably connected to the left and right sides of the material conveying bin (2) respectively; the sliding mounting plate (6) is slidably connected to the inner side of the positioning and mounting box (3); the buffer structure is set in the middle of the material guide flap (5).

2. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 1, characterized in that: The transmission structure includes a limiting mounting cover (201) and a reciprocating self-locking drive (202); the limiting mounting cover (201) is bolted to the front side of the material conveying bin (2); the reciprocating self-locking drive (202) is bolted to the front side of the limiting mounting cover (201).

3. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 2, characterized in that: The transmission structure also includes a limiting drive disk (203) and a guide limiting shaft (204); the limiting drive disk (203) is rotatably connected to the middle part of the limiting mounting cover (201), and the limiting drive disk (203) is coaxially fixedly connected to the output shaft of the reciprocating self-locking drive component (202); the guide limiting shaft (204) is fixedly connected to the outside of the limiting drive disk (203).

4. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 3, characterized in that: The transmission structure also includes a swing connecting rod (205) and a guide connecting groove (206); the swing connecting rod (205) is fixedly connected to the front side of the material guide flap (5) on the right; the guide connecting groove (206) is opened at the lower part of the swing connecting rod (205), and the guide connecting groove (206) is slidably connected to the guide limiting shaft (204).

5. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 1, characterized in that: The monitoring structure includes a first damping elastic element (301); the upper end of the first damping elastic element (301) is fixedly connected to the upper part of the sliding mounting plate (6), and the lower end of the first damping elastic element (301) is fixedly connected to the lower part of the positioning mounting box (3).

6. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 1, characterized in that: The monitoring structure also includes a push-button switch (601); there are two push-button switches (601), which are respectively located on the upper and lower sides of the sliding mounting plate (6). Both push-button switches (601) are connected in series with the control circuit of the sound and light alarm (4), and the two push-button switches (601) are connected in parallel with each other.

7. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 1, characterized in that: The monitoring structure also includes a transmission connecting rod (507) and an active drive wheel (508); there are two transmission connecting rods (507), the left ends of the two transmission connecting rods (507) are respectively rotatably connected to the front and rear sides of the left material guide flap (5), and the right ends of the two transmission connecting rods (507) are respectively rotatably connected to the front and rear sides of the right material guide flap (5); the active drive wheel (508) is fixedly connected to the rear of the right material guide flap (5).

8. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 1, characterized in that: The buffer structure includes reinforcing support rods (501) and limiting guide rods (502); multiple reinforcing support rods (501) are provided, and the multiple reinforcing support rods (501) are evenly distributed and fixedly connected to the outer side of the two material guide flaps (5); multiple limiting guide rods (502) are provided, and the multiple limiting guide rods (502) are evenly distributed and fixedly connected to the inner side of the two material guide flaps (5).

9. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 1, characterized in that: The buffer structure further includes positioning mounting plates (503) and positioning connecting bolts (504); multiple positioning mounting plates (503) are provided, and multiple positioning mounting plates (503) are evenly distributed and inserted into the middle of the two material guide flaps (5); multiple positioning connecting bolts (504) are provided, and multiple positioning connecting bolts (504) are evenly distributed and fixedly connected to the middle of the multiple positioning mounting plates (503), and multiple positioning connecting bolts (504) are respectively inserted into the two material guide flaps (5).

10. The belt conveyor head double-flip plate linkage material distribution mechanism as described in claim 9, characterized in that: The buffer structure further includes a sliding buffer plate (505) and a second damping elastic element (506); multiple sliding buffer plates (505) are provided, and multiple sliding buffer plates (505) are evenly distributed and inserted into the inner side of two material guide flaps (5); multiple second damping elastic elements (506) are provided, and the inner ends of multiple second damping elastic elements (506) are evenly distributed and fixedly connected to the middle of multiple sliding buffer plates (505); the outer ends of multiple second damping elastic elements (506) located in the middle are respectively fixedly connected to multiple positioning mounting plates (503); and the outer ends of the remaining multiple second damping elastic elements (506) are respectively attached to the two material guide flaps (5).

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