Self-resetting dust removal valve device and dust removal equipment

Abstract

The application discloses a self-resetting dust removal valve device and a dust removal equipment, and belongs to the technical field of dust removal equipment. The self-resetting dust removal valve device comprises a valve body, an automatic reset mechanism and a baffle. The valve body comprises a shell and a flow guide piece. The shell is provided with a flow-through cavity and an air inlet. The flow guide piece partially extends into the flow-through cavity and is provided with an air outlet channel. The automatic reset mechanism comprises a connecting piece, a weight and a flap. The connecting piece is rotationally connected to the shell. The weight and the flap are both connected to the connecting piece. The flap can cover the air inlet of the air outlet channel. The baffle is installed on a dumper. The dumper moves along a first direction. The weight rises along a first slope surface and drives the flap to rotate to open the air inlet. The weight is located on a peak surface. The dust outlet of the dumper is communicated with the air inlet. The weight descends along a second slope surface. The weight drives the flap to rotate to cover the air inlet under the action of gravity. The dust removal equipment comprises a dust remover, a dust removal pipe and the self-resetting dust removal valve device. The application has high working efficiency and long service life.

Description

[0001] This invention relates to the field of dust removal equipment technology, and in particular to a self-resetting dust removal valve device and dust removal equipment. Background Technology

[0002] Material conveying and transfer are essential processes in industrial production, especially in industries such as metallurgy, building materials, and chemicals, where unloading trucks generate significant amounts of dust during operation. Dust collector valves are crucial components of dust collection systems, controlling the airflow at various user points by opening and closing them. This ensures the airflow requirements of each user point are met, achieving optimized airflow matching and efficient, energy-saving operation of the dust collection system. Traditional valves use motor-driven flaps for opening and closing; however, the motor and transmission mechanism are prone to failure in dusty environments, and electrical components are susceptible to short circuits due to metal dust contamination.

[0003] To address the aforementioned problems, existing technology proposes a dust removal valve, comprising a dust removal valve body, a dust removal duct, and an automatic reset mechanism. A dust removal duct is installed above the unloading vehicle and connected to the dust removal valve body at the unloading hopper. A valve flap inside the dust removal valve body is connected to the automatic reset mechanism. When the unloading vehicle moves horizontally to the unloading hopper, a striking plate positioned above the unloading vehicle strikes a counterweight swing arm, opening the valve flap and drawing dust into the main dust removal duct. Upon completion of unloading, the unloading vehicle moves in the reverse direction, causing the striking plate to separate from the counterweight swing arm. Under the weight of the counterweight, the flap resets and closes the valve.

[0004] However, although existing dust removal valves achieve electric-free control through mechanical linkage, solving the problem of electrical faults in dusty environments, they still have significant drawbacks: First, due to the limitation of the one-way triggering mechanism and automatic reset logic of the dust removal duct contact plate and swing arm, the unloading vehicle must execute a fixed process of "forward impact, fixed-point unloading, and reversing reset", resulting in low work efficiency; Second, the valve flap relies on the rigid impact of the contact plate to open instantly and the counterweight to pull instantly close instantly, causing frequent high-intensity impacts between the flap and the valve seat, which not only aggravates the wear of the seals but also reduces the service life of the equipment. Summary of the Invention

[0005] The purpose of this invention is to provide a self-resetting dust removal valve device and dust removal equipment, which has high working efficiency and long service life.

[0006] Based on the above concept, the technical solution adopted by this invention is as follows:

[0007] The self-resetting dust collector valve device includes:

[0008] The valve body includes a housing and a flow guide. The housing has a flow cavity and an air inlet located at the bottom of the housing and connected to the flow cavity. The flow guide extends into the flow cavity and has an air outlet channel connected to the flow cavity.

[0009] An automatic reset mechanism includes a connector, a counterweight, and a flapper. The connector passes through and is rotatably connected to the outer casing. The counterweight and the flapper are both connected to the connector. The counterweight is located outside the flow cavity, and the flapper is located inside the flow cavity and can cover the air inlet of the air outlet channel.

[0010] A ramming plate is vertically installed on the unloading vehicle. The top surface of the ramming plate includes a first slope, a peak, and a second slope connected in sequence. The peak is horizontally set. The first slope and the second slope are inclined downwards in a direction away from each other. When the unloading vehicle moves in a first direction, the hammer contacts and engages with the first slope, the peak, and the second slope in sequence. When the hammer rises along the first slope, it can drive the flap to rotate to open the air inlet. When the hammer is located at the peak, the dust outlet of the unloading vehicle is connected to the air inlet. When the hammer descends along the second slope, the hammer can drive the flap to rotate under the action of gravity to cover the air inlet.

[0011] Furthermore, the counterweight includes a connecting rod, a counterweight block, and two first bearing discs. The connecting rod is fixedly connected to the connecting member. The two ends of the counterweight block are provided with mounting grooves. The two first bearing discs are embedded in the two mounting grooves in a one-to-one correspondence. The connecting rod passes through the inner rings of the two first bearings. When the unloading vehicle moves along the first direction, the counterweight block can roll sequentially on the first slope, the peak surface, and the second slope.

[0012] Furthermore, the self-resetting dust removal valve device also includes a rocker plate, which includes a connecting part and two raised parts. The connecting part is fixedly connected to the bottom of the housing and has a connecting hole communicating with the air inlet. The two raised parts are symmetrically arranged at opposite ends of the connecting part along the first direction and are inclined upward in a direction away from each other.

[0013] Furthermore, the self-resetting dust removal valve device also includes a cover plate, and the housing is also provided with an inspection port, which is connected to the flow cavity. The cover plate is detachably connected to the housing and can cover the inspection port.

[0014] Furthermore, a gripping element is provided on the side of the cover plate opposite to the inspection port.

[0015] Furthermore, the angle between the hammer and the flapper is 110°-130°.

[0016] Furthermore, the connector includes a connecting shaft and two sets of second bearings. The connecting shaft passes through the opposite sides of the outer casing along the first direction and is rotatably connected to the outer casing through the two sets of second bearings. The counterweight and the flapper are both fixedly connected to the connecting shaft.

[0017] Furthermore, the flap is made of wear-resistant high-strength steel plate.

[0018] The dust removal equipment includes a dust collector, a dust removal pipe, and the aforementioned self-resetting dust removal valve device. The dust removal pipe is connected to the dust collector, the flow guide is connected to the dust removal pipe, and the air outlet channel is connected to the internal channel of the dust removal pipe.

[0019] Furthermore, the dust removal equipment is provided with a plurality of self-resetting dust removal valve devices at intervals along the first direction, and each of the self-resetting dust removal valve devices is connected to the dust removal pipe through the flow guide.

[0020] The beneficial effects of this invention are:

[0021] The self-resetting dust removal valve device proposed in this invention utilizes a first slope, a peak surface, and a second slope sequentially connected to a striking plate, which cooperate with a counterweight in an automatic reset mechanism. This allows the opening and closing of a flapper plate as the unloading vehicle travels in a first direction, enabling the unloading vehicle to continuously perform reciprocating unloading and dust removal operations in that direction, thereby improving work efficiency. Simultaneously, because the counterweight rises along the first slope and descends along the second slope, the opening and closing of the flapper plate is relatively smooth, avoiding the high-intensity impacts of instantaneous opening by rigid impact and instantaneous closing by sudden pull of the counterweight. This reduces the impact between the flapper plate and the guide components, thus extending the service life of the valve device.

[0022] The dust removal equipment proposed in this invention utilizes a self-resetting dust removal valve device, achieving efficient opening and closing of the valve without manual intervention or electric drive, thus reducing labor costs and energy consumption. Furthermore, the unloading vehicle can continuously reciprocate along a preset track path, improving the working efficiency of the dust removal equipment. In addition, the smooth opening and closing characteristics of the valve device—that is, the weight gradually removes dust as it rises along the first slope, reaching the peak (unloading position), at which point the dust removal valve fully opens, unloading is complete, and the unloading vehicle departs—allow the weight to move from the peak of the unloading position to the second slope, and the dust removal valve begins to gradually close. This avoids the impact of the impact plate on the valve weight and prevents dust from escaping. Attached Figure Description

[0023] Figure 1 This is a front view of the valve body and automatic reset mechanism provided in a specific embodiment of the present invention;

[0024] Figure 2 This is a top view of the valve body and automatic reset mechanism provided in a specific embodiment of the present invention;

[0025] Figure 3 This is a top view of the self-resetting dust removal valve device provided in a specific embodiment of the present invention in the closed state of the flap;

[0026] Figure 4 This is a front view of the self-resetting dust removal valve device provided in a specific embodiment of the present invention in the closed state of the flap;

[0027] Figure 5 This is a side view of the self-resetting dust removal valve device provided in a specific embodiment of the present invention in the closed state of the flap;

[0028] Figure 6 This is a top view of the self-resetting dust removal valve device provided in a specific embodiment of the present invention in the open state of the flap;

[0029] Figure 7 This is a front view of the self-resetting dust removal valve device provided in a specific embodiment of the present invention in the open state of the flap;

[0030] Figure 8 This is a side view of the self-resetting dust removal valve device provided in a specific embodiment of the present invention in the open state of the flap;

[0031] Figure 9 This is a front view of the dust removal equipment provided in a specific embodiment of the present invention;

[0032] Figure 10 This is a side view of the dust removal equipment provided in a specific embodiment of the present invention.

[0033] In the picture:

[0034] 1. Valve body; 11. Outer shell; 110. Flow chamber; 111. Inspection port; 12. Flow guide; 120. Air outlet channel;

[0035] 2. Automatic reset mechanism; 21. Connecting component; 211. Connecting shaft; 212. Second bearing; 22. Counterweight; 221. Connecting rod; 222. Counterweight block; 223. First bearing; 23. Flip plate;

[0036] 3. Impact plate; 31. First slope; 32. Peak; 33. Second slope;

[0037] 4. Rocker; 41. Connecting part; 42. Rocker-up part;

[0038] 5. Cover plate;

[0039] 6. Grip element;

[0040] 100. Unloading truck;

[0041] 200. Dust removal pipe. Detailed Implementation

[0042] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0043] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection 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 can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0044] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0045] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0046] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0047] like Figures 1-8As shown, the present invention provides a self-resetting dust collector valve device, including a valve body 1, an automatic reset mechanism 2, and a ramming plate 3. The valve body 1 includes a housing 11 and a guide member 12. The housing 11 has a flow cavity 110 and an air inlet located at the bottom of the housing 11 and connected to the flow cavity 110. The guide member 12 extends into the flow cavity 110 and has an air outlet channel 120 connected to the flow cavity 110. The automatic reset mechanism 2 includes a connector 21, a counterweight 22, and a flapper 23. The connector 21 passes through and is rotatably connected to the housing 11. The counterweight 22 and the flapper 23 are both connected to the connector 21. The counterweight 22 is located outside the flow cavity 110, and the flapper 23 is located inside the flow cavity 110 and can cover the air inlet of the air outlet channel 120. The impact plate 3 is vertically installed on the unloading vehicle 100. The top surface of the impact plate 3 includes a first slope 31, a peak surface 32 and a second slope 33 connected in sequence. The peak surface 32 is horizontally set. The first slope 31 and the second slope 32 are inclined downward in the direction away from each other. When the unloading vehicle 100 moves in the first direction, the counterweight 22 can slide on the first slope 31, the peak surface 32 and the second slope 33 in sequence. When the counterweight 22 rises along the first slope 31, it can drive the flap 23 to rotate to open the air inlet. When the counterweight 22 is located at the peak surface 32, the dust outlet of the unloading vehicle 100 is connected to the air inlet. When the counterweight 22 falls along the second slope 33, the counterweight 22 can drive the flap 23 to rotate under the action of gravity to cover the air inlet.

[0048] By cooperating with the first slope 31, peak 32, and second slope 33 sequentially connected on the impact plate 3, and the counterweight 22 in the automatic reset mechanism 2, the opening and closing of the flapper is triggered as the unloading vehicle 100 travels in the first direction. This allows the unloading vehicle 100 to continuously and repeatedly perform unloading and dust removal operations in the first direction, thereby improving work efficiency. Simultaneously, because the counterweight 22 rises along the first slope 31 and descends along the second slope 33, the opening and closing of the flapper 23 is relatively smooth, avoiding the high-intensity impact of instantaneous opening due to rigid impact and instantaneous closing due to sudden pull of the counterweight. This reduces the impact between the flapper 23 and the guide member 12, thus extending the service life of the dust removal valve device.

[0049] Specifically, such as Figure 2 As shown, the connecting component 21 includes a connecting shaft 211 and two sets of second bearings 212. The connecting shaft 211 passes through opposite sides of the outer casing 11 along a first direction and is rotatably connected to the outer casing 11 via the two sets of second bearings 212. The counterweight 22 and the flapper 23 are both fixedly connected to the connecting shaft 211. The two sets of second bearings 212 support the connecting shaft 211, effectively distributing the load of the counterweight 22 and the flapper 23, reducing vibration and wear caused by eccentric force, extending the service life of the valve device, and ensuring the stability and reliability of the valve device during long-term operation.

[0050] In this embodiment, two sets of second bearings 212 are respectively installed on opposite side walls of the outer casing 11. The inner ring of the second bearing 212 is interference-fitted with the connecting shaft 211, thereby realizing the rotational connection between the connecting shaft 211 and the outer casing 11.

[0051] Specifically, the counterweight 22 includes a connecting rod 221, a counterweight block 222, and two first bearing discs 223. The connecting rod 221 is fixedly connected to the connecting member 21. The counterweight block 222 has mounting grooves at both ends, and the two first bearing discs 223 are correspondingly embedded in the two mounting grooves. The connecting rod 221 passes through the inner ring of the two first bearing discs 223. When the unloading vehicle 100 moves in the first direction, the counterweight block 222 can roll sequentially on the first slope 31, the peak surface 32, and the second slope 33. Rolling contact reduces the resistance to movement, allowing the counterweight 22 to move more smoothly along the slope, ensuring that the opening and closing actions of the flapper 23 are more stable and reliable. Secondly, rolling friction effectively reduces the wear of the contact surface, extending the service life of the impact plate 3 and the counterweight block 222.

[0052] In this embodiment, the counterweight 222 is a cylinder with a diameter of 200-350 mm.

[0053] Specifically, the angle between the counterweight 22 and the flapper 23 is 110°-130°. When the angle is 110°-130°, the counterweight 22 extends outward from the valve body 1 in the initial state, effectively avoiding interference with the periphery of the valve body 1, while reserving sufficient operating space for the impact plate 3 set on the unloading vehicle 100.

[0054] In this embodiment, the angle between the hammer 22 and the flapper 23 is 120°, and the hammer 22 slides from the first slope 31 to the peak 32 and rotates 60°. At this time, the flapper 23 rotates to a vertical position.

[0055] Specifically, the flap 23 is made of wear-resistant manganese steel plate. Wear-resistant manganese steel plate has extremely high hardness and wear resistance. During frequent opening and closing, flap 23 can effectively resist impact, reduce surface wear and scratches, and thus reduce the replacement frequency and maintenance costs of the equipment due to component wear.

[0056] Specifically, such as Figure 3 As shown, the first slope 31 and the second slope 33 are symmetrically arranged. This makes the movement trajectory of the weight 22 more regular, and the stroke, speed, and time of the flap 23 opening and closing are equal.

[0057] Specifically, such as Figure 4As shown, the self-resetting dust removal valve device also includes a rocker plate 4. The rocker plate 4 includes a connecting part 41 and two raised parts 42. The connecting part 41 is fixedly connected to the bottom of the housing 11 and has a connecting hole that connects to the air inlet. The two raised parts 42 are symmetrically arranged at opposite ends of the connecting part 41 along a first direction and are inclined upwards in a direction away from each other. When the unloading vehicle 100 approaches the dust removal valve device, the raised parts 42 can guide the travel direction of the unloading vehicle 100 in advance, avoiding direct collision between the unloading vehicle 100 and the dust removal valve device due to travel deviation. This effectively protects the unloading vehicle 100 and the dust removal valve device, reduces equipment damage and downtime caused by collisions, and further improves the safety and continuity of the industrial production process.

[0058] In this embodiment, the rocker arm 4 is welded to the bottom of the outer casing 11.

[0059] In other embodiments, the rocker 4 can also be bolted to the bottom of the housing 11.

[0060] Specifically, such as Figure 1 and Figure 4 As shown, the self-resetting dust collector valve device also includes a cover plate 5, and the outer casing 11 is also provided with an inspection port 111, which is connected to the flow chamber 110. The cover plate 5 is detachably connected to the outer casing 11 and can cover the inspection port 111. Maintenance personnel can observe the operating status of key components such as the flap 23 inside the flow chamber 110 through the inspection port 111 by removing the cover plate 5, which facilitates timely detection of abnormalities.

[0061] In this embodiment, the circumferential inspection port 111 is provided with an annular mounting flange, and the cover plate 5 has a corresponding connecting flange that matches the mounting flange. The mounting flange and the connecting flange are reliably connected by evenly distributed fastening bolts.

[0062] More specifically, a grip 6 is provided on the side of the cover plate 5 away from the inspection port 111. The operator can lift the cover plate 5 by using the grip 6 to avoid scratches that may be caused by direct contact with the edge of the cover plate 5, thus reducing the risk of operation; and compared with direct contact with the cover plate 5, the grip 6 can better distribute the force on the hand, and is less likely to cause fatigue during long-term operation.

[0063] The working principle of the self-resetting dust collector valve device is as follows:

[0064] In the initial state, refer to Figures 3-5Under the weight of the counterweight 22, the flap 23 of the self-resetting dust removal valve device tightly seals the air inlet of the air outlet duct 120. As the unloading vehicle 100 moves in the first direction, the impact plate 3 on the vehicle gradually approaches the valve device. The first slope 31 of the top surface of the impact plate 3 first contacts the counterweight 22. As the unloading vehicle 100 continues to move, the counterweight 22 rises along the first slope 31, driving the connecting shaft 211 to rotate, thereby causing the flap 23 to rotate synchronously, gradually opening the air inlet of the air outlet duct 120. When the counterweight 22 moves to the peak surface 32 of the impact plate 3, refer to... Figures 6-8 With the air inlet fully open, the dust outlet of the unloading car 100, the air inlet of the self-resetting dust removal valve device, and the air outlet 120 are sequentially connected, forming a dust conveying path. As the unloading car 100 continues to move, the counterweight 22 descends along the second slope 33 of the impact plate 3. Under the action of gravity, the counterweight 22 drives the connecting shaft 211 to rotate in the opposite direction, causing the flap 23 to re-seal the air inlet of the air outlet 120, cutting off the dust conveying path and preventing the dust collector from continuously drawing in outside air during non-unloading periods, thus reducing energy waste.

[0065] like Figure 9 and Figure 10 As shown, the present invention also provides a dust removal device, including a dust collector, a dust removal pipe 200, and the aforementioned self-resetting dust removal valve device. The dust removal pipe 200 is connected to the dust collector, the guide member 12 is connected to the dust removal pipe 200, and the air outlet channel 120 is connected to the internal channel of the dust removal pipe 200. When the counterweight 22 moves to the peak surface 32 of the impact plate 3, the air inlet is fully opened. At this time, the dust outlet of the unloading car 100, the air inlet of the self-resetting dust removal valve device, the air outlet channel 120, and the internal channel of the dust removal pipe 200 are sequentially connected to form a complete dust conveying path. The dust generated during the unloading process is quickly drawn into the dust removal pipe 200 through the air inlet and the air outlet channel 120 under the negative pressure suction of the dust collector, and is finally transported to the dust collector for purification. By using the self-resetting dust removal valve device, the dust removal device can achieve efficient opening and closing operation of the valve device without manual intervention and electric drive, reducing labor costs and energy consumption. Furthermore, the unloading vehicle 100 can continuously reciprocate along a preset track path, improving overall work efficiency. In addition, the valve device has a smooth opening and closing characteristic: the counterweight rises along the first slope to gradually remove dust, and when it reaches the peak, which is the unloading position, the dust removal valve is fully open. After unloading, the unloading vehicle leaves, and the counterweight moves from the peak of the unloading position to the second slope, at which point the dust removal valve begins to gradually close. This avoids the impact of the impact plate on the valve counterweight part on the unloading vehicle and prevents the escape of unloading dust.

[0066] In this embodiment, the flow guide 12 is connected to the dust removal pipe 200 via a flange.

[0067] Specifically, the dust removal equipment is equipped with multiple self-resetting dust removal valves spaced apart along the first direction, and each self-resetting dust removal valve is connected to the dust removal pipe 200 via a guide member 12. Firstly, this arrangement enables sequential back-and-forth unloading and dust removal from multiple unloading stations, greatly improving the throughput and continuity of the unloading operation and significantly increasing the amount of material processed per unit time. Secondly, each valve operates independently while sharing the dust removal pipe 200, reducing redundant configuration of dust removal equipment, saving installation and maintenance costs, and resulting in a more compact system layout that effectively reduces site occupation.

[0068] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A self-resetting dust collector valve device, characterized in that, include: The valve body (1) includes a housing (11) and a guide member (12). The housing (11) is provided with a flow cavity (110) and an air inlet located at the bottom of the housing (11) and connected to the flow cavity (110). The guide member (12) extends into the flow cavity (110) and is provided with an air outlet channel (120) connected to the flow cavity (110). The automatic reset mechanism (2) includes a connector (21), a counterweight (22), and a flap (23). The connector (21) is inserted through and rotatably connected to the outer shell (11). The counterweight (22) and the flap (23) are both connected to the connector (21). The counterweight (22) is located outside the flow cavity (110), and the flap (23) is located inside the flow cavity (110) and can cover the air inlet of the air outlet channel (120). A ram (3) is vertically installed on the unloading vehicle (100). The top surface of the ram (3) includes a first slope (31), a peak (32), and a second slope (33) connected in sequence. The peak (32) is horizontally arranged. The first slope (31) and the second slope (33) are inclined downwards in a direction away from each other. When the unloading vehicle (100) moves along a first direction, the counterweight (22) strikes the first slope (31), the peak (32), and the second slope (33) in sequence. The second slope (33) is in contact with the first slope (31). When the hammer (22) rises along the first slope (31), it can drive the flap (23) to rotate to open the air inlet. When the hammer (22) is located on the peak (32), the dust outlet of the unloading car (100) is connected to the air inlet. When the hammer (22) falls along the second slope (33), the hammer (22) can drive the flap (23) to rotate under the action of gravity to cover the air inlet.

2. The self-resetting dust collector valve device according to claim 1, characterized in that, The counterweight (22) includes a connecting rod (221), a counterweight (222), and two first bearing discs (223). The connecting rod (221) is fixedly connected to the connector (21). The counterweight (222) has mounting grooves at both ends. The two first bearing discs (223) are embedded in the two mounting grooves in a one-to-one correspondence. The connecting rod (221) passes through the inner ring of the two first bearing discs (223). When the unloading vehicle (100) moves along the first direction, the counterweight (222) can roll sequentially on the first slope (31), the peak surface (32), and the second slope (33).

3. The self-resetting dust collector valve device according to claim 1, characterized in that, The self-resetting dust removal valve device also includes a rocker plate (4), which includes a connecting part (41) and two raised parts (42). The connecting part (41) is fixedly connected to the bottom of the outer shell (11) and has a connecting hole connected to the air inlet. The two raised parts (42) are symmetrically arranged at opposite ends of the connecting part (41) along the first direction and are inclined upward in a direction away from each other.

4. The self-resetting dust collector valve device according to claim 1, characterized in that, The self-resetting dust removal valve device also includes a cover plate (5), and the outer shell (11) is also provided with an inspection port (111), the inspection port (111) is connected to the flow cavity (110), and the cover plate (5) is detachably connected to the outer shell (11) and can cover the inspection port (111).

5. The self-resetting dust collector valve device according to claim 4, characterized in that, A gripper (6) is provided on the side of the cover plate (5) opposite to the inspection port (111).

6. The self-resetting dust collector valve device according to claim 1, characterized in that, The angle between the hammer (22) and the flap (23) is 110°-130°.

7. The self-resetting dust collector valve device according to any one of claims 1-6, characterized in that, The connector (21) includes a connecting shaft (211) and two sets of second bearings (212). The connecting shaft (211) passes through the opposite sides of the outer shell (11) along the first direction and is rotatably connected to the outer shell (11) through the two sets of second bearings (212). The counterweight (22) and the flap (23) are both fixedly connected to the connecting shaft (211).

8. The self-resetting dust collector valve device according to any one of claims 1-6, characterized in that, The flap (23) is made of wear-resistant manganese steel plate.

9. A dust removal device, characterized in that, The device includes a dust collector, a dust collection pipe (200), and a self-resetting dust collection valve device according to any one of claims 1-8, wherein the dust collection pipe (200) is connected to the dust collector, the flow guide (12) is connected to the dust collection pipe (200), and the air outlet channel (120) is connected to the internal channel of the dust collection pipe (200).

10. The dust removal equipment according to claim 9, characterized in that, The dust removal equipment is provided with a plurality of self-resetting dust removal valve devices at intervals along the first direction, and each of the self-resetting dust removal valve devices is connected to the dust removal pipe (200) through the guide member (12).

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