Supporting device for a covering belt

Abstract

The application relates to a supporting device for a covering belt, which comprises a supporting frame, a supporting cross beam, a covering belt, a dustproof curtain and a baffle; the supporting frame is fixed on a belt conveyor, mounting plates are fixed on the two sides of the supporting frame, an anti-overflow apron is arranged on the mounting plates, the bottom of the anti-overflow apron is in contact with a conveying belt of the belt conveyor; the supporting cross beam is arranged on the supporting frame in a spaced mode, the covering belt is arranged on the supporting cross beam and the supporting frame, the covering belt is divided into at least two layers, and a wrapping space extending into the supporting frame is formed between the at least two layers of the covering belt, the wrapping space is used for mounting a discharging bin; the dustproof curtain and the baffle are arranged at the two ends of the supporting frame respectively, and the bottom shapes of the dustproof curtain and the baffle are matched with the cross-sectional shapes of the conveying belt. The application has the effect of ensuring that the belt conveyor is shielded during the whole process of discharging and conveying.

Description

Technical Field

[0001] This application relates to the field of connection equipment between ship unloaders and dock transfer towers, and more particularly to a support device for a cover belt. Background Technology

[0002] Currently, most large-scale port, dock, and grain transshipment and storage projects use belt conveyors for material transfer. These conveyors operate entirely in an open state, easily generating dust during unloading and transport, which contradicts the stringent environmental protection requirements of ports and docks. Furthermore, open conveyors lack protection against rain, snow, and wind; in severe weather, the transported materials are completely exposed to the external environment without adequate protection.

[0003] Existing technologies mostly use "zipper-type" cover belts or material guide troughs directly installed on the belt conveyor. "Zipper-type" cover belts are directly covered on the conveyor belt, and another transmission device is used to drive the cover belt to rotate together with the conveyor belt. Material guide troughs, on the other hand, directly use plates to cover the sides and top of the conveyor belt in the direction of transmission.

[0004] In the above process, although both have the function of shielding, it is obvious that neither of them shields the material during unloading, but only during transportation, and the shielding is not complete. The "zipper-type" cover belt does not fully cover both ends of the conveyor belt, and dust or spillage will still occur during transportation, and it does not shield the material during unloading. Although the guide chute shielding has a better shielding effect during transportation, it still cannot shield the material during unloading.

[0005] Therefore, ensuring that the belt conveyor is completely shielded during the unloading and conveying process has become an urgent problem to be solved in this field. Utility Model Content

[0006] To ensure that the belt conveyor is completely shielded during the unloading and conveying process, this application provides a support device for covering the belt.

[0007] The technical solution for a cover belt support device provided in this application is as follows: A support device for a cover belt includes a support frame, support beams, a cover belt, a dustproof curtain, and baffles; wherein: the support frame is fixed to a belt conveyor, mounting plates are fixed on both sides inside the support frame, and anti-overflow skirts are provided on the mounting plates, with the bottom of the anti-overflow skirts contacting the conveyor belt of the belt conveyor; the support beams are spaced apart on the support frame, the cover belt is laid on the support beams and the support frame, the cover belt is divided into at least two layers, and a wrapping space extending into the interior of the support frame is formed between the at least two layers of cover belt, the wrapping space being used to install a discharge bin; the dustproof curtain and the baffles are respectively provided at both ends of the support frame, and the bottom shape of the dustproof curtain and the baffles matches the cross-sectional shape of the conveyor belt; the support frame, cover belt, mounting plates, anti-overflow skirts, and conveyor belt together form a conveying channel.

[0008] By adopting the above technical solution, the support frame and support beam jointly support the cover belt, which covers the top of the conveyor belt, providing a shielding effect. Mounting plates and anti-overflow skirts are installed on both sides of the conveyor belt, with no gaps between the anti-overflow skirts and the conveyor belt, effectively shielding both sides and preventing dust from escaping. Dust curtains and baffles are fixed at both ends of the conveyor belt, shielding both ends. During unloading, the discharge bin is enclosed in a sealed space, preventing dust generated during unloading from escaping due to the shielding effect of the cover belt. During transport, the cover belt shields the top of the conveyor belt, the mounting plates and anti-overflow skirts shield the sides, and the dust curtains and baffles shield the sides, achieving full shielding during unloading and transport, greatly reducing the probability of dust entering the air.

[0009] Preferably, there are multiple supporting beams, which are inclined and parallel to each other, with gaps between adjacent supporting beams.

[0010] By adopting the above technical solution, multiple support beams are inclined. During unloading, some material will fall onto the support beams. The material falling onto the support beams will slide along the inclined direction of the support beams under its own gravity and finally fall into the conveying channel, preventing the material from accumulating. The multiple beams are parallel to each other, and the material will leak through the gap between two adjacent support beams during unloading.

[0011] Preferably, the support frame includes a first support frame and a second support frame; the first support frame and the second support frame are not exactly the same, and the height of the first support frame is less than the height of the second support frame; the first support frame and the second support frame are respectively fixed on the frame on both sides of the belt conveyor; both ends of the plurality of support beams are respectively fixed to the first support frame and the second support frame.

[0012] By adopting the above technical solution, the first support frame and the second support frame are respectively installed on both sides of the conveyor belt. The support frame plays a supporting role and is used to fix the support beam. The support frames of different heights make the support beam tilted when it is installed. At the same time, the support frame also has a certain shielding function.

[0013] Preferably, the covering strip includes a first covering strip and a second covering strip; one side of the first covering strip is fixed to the first support frame, and the other side is laid on the support beam; one side of the second covering strip is fixed to the second support frame, and at least a portion of the other side is laid on the first covering strip.

[0014] By adopting the above technical solution, both covering belts are erected above the entire conveying channel with the support of the supporting beams, and the two covering belts overlap at least partly in the middle. The non-overlapping sides of the two covering belts are fixed to the support frames on both sides. Under the action of their own weight, the covering belts cover the supporting beams, providing shelter for the belt conveyor from above. During unloading, the two covering belts are opened to form a wrapping space, and the feeding bin is installed in the wrapping space between the two covering belts. The two covering belts wrap around the feeding bin from both sides, providing shelter during unloading. During transportation, the covering belts directly cover the supporting beams, providing a certain degree of shelter for the materials. Even in bad weather conditions such as wind and rain, the covering belts can provide a certain degree of shelter for the materials and the belt conveyor during transportation.

[0015] Preferably, the mounting plate is provided with a clamping device, and the clamping device abuts the anti-overflow skirt against the mounting plate; a liner is fixedly provided on the side of the mounting plate away from the conveyor belt.

[0016] By adopting the above technical solution, the mounting plate is fixed to the support frame, the clamping device is fixed to the mounting plate, and the clamping device presses the anti-overflow skirt against the mounting plate. The anti-overflow skirt is slidably connected to the conveyor belt. A wear-resistant liner is installed on the other side of the mounting plate. One end of the combined support body is connected to the support frame, and the other end is connected to the conveyor belt. During unloading, after the material falls from above onto the conveyor belt, some material will splash. The mounting plate and the anti-overflow skirt are fixed to the side of the conveyor belt, blocking the side of the conveyor belt. The splashing material can only be contained within the conveying channel and cannot splash out under the blocking effect of the combined support body, thus preventing material spillage and preventing material from overflowing the conveyor belt during unloading, causing losses. At the same time, a baffle is installed on the side close to the conveying channel. The baffle provides a certain degree of protection for the mounting plate, preventing the mounting plate from being worn due to friction between the material and the mounting plate during material conveying.

[0017] Preferably, the unloading bin is fixed to the bin on the unloader, and the unloading bin is located within the enclosing space during unloading. The first covering strip and the second covering strip respectively enclose the unloading bin from both sides. The bottom surface of the unloading bin has a unloading port, and there is a gap between the unloading bin and the supporting beam.

[0018] By adopting the above technical solution, during unloading, the feeding hopper is connected to the unloader's hopper, and the material is poured out from the feeding port. The feeding hopper moves with the unloader, and the first and second covering belts wrap around the feeding hopper from both sides, completely covering the feeding port during unloading to prevent dust from drifting into the air. When the feeding hopper moves with the unloader, the covering belt in front of the feeding hopper is opened as the feeding hopper moves, and the covering belt behind the feeding hopper returns to its original position and closes again due to gravity and its own elasticity. During unloading, regardless of whether the feeding hopper moves, the covering belt can effectively wrap the feeding hopper, forming a shielded conveying channel, preventing dust and particulate matter from drifting into the air. At the same time, a hole is opened at the bottom plate of the feeding hopper as the feeding port. During unloading, the material first falls into the hopper, passes through the feeding port, and then enters the conveying channel, reducing the impact of the material on the conveyor belt and protecting the belt conveyor to a certain extent.

[0019] Preferably, the feeding hopper includes multiple pressure roller assemblies, which are used to press the cover belt.

[0020] By adopting the above technical solution, when the unloading bin moves with the ship unloader, the pressure roller assembly presses on the cover belt, applying a certain force to the cover belt, so that the cover belt can cover the support beam more smoothly.

[0021] Preferably, the pressure roller assembly includes a connecting rod and a pressure cylinder, one end of the connecting rod is hinged to the feeding hopper, the other end of the connecting rod is connected to the pressure cylinder, and the pressure cylinder is in contact with the upper surface of the covering belt.

[0022] By adopting the above technical solution, the connecting rod is hinged to the feeding bin. When the feeding bin floats up and down, the pressure roller assembly can also be used. The other end of the pressure roller assembly is connected to the pressure cylinder, which presses on the upper surface of the cover belt, and the auxiliary cover belt covers the support beam.

[0023] In summary, this application includes at least one of the following beneficial technical effects: 1. The conveyor channel is formed by the support frame, the cover belt, the combined support body and the conveyor belt. The cover belt wraps around the unloading hopper. At the same time, dust curtains and baffles are installed at both ends of the conveyor belt to cover the entire conveyor channel. The entire process is covered, whether unloading or conveying, to prevent dust from drifting into the air.

[0024] 2. Two covering strips are used to wrap the unloading bin from both sides. As the unloading bin moves with the unloading machine, the covering strips are opened or closed along with the movement of the unloading bin. During unloading, the unloading bin is completely wrapped, and the entire conveying equipment and supporting equipment are in a shielded state.

[0025] 3. By installing support frames of varying lengths on both sides of the conveyor belt, the support beams are tilted as a whole. The material itself is slid along the support beams by its own weight and falls into the conveyor belt, preventing material accumulation.

[0026] 4. Multiple support beams are placed side by side, and the material falls into the conveying channel by utilizing the gap between two adjacent support beams. In conjunction with the material unloading hopper moving with the unloader, the unloading position of the material unloading hopper is not limited, making the material unloading more flexible.

[0027] 5. The anti-overflow skirt is slidably connected to the conveyor belt, with no gap between the anti-overflow skirt and the conveyor belt, which prevents material spillage during the conveying process and also prevents dust from entering the conveyor belt, thus reducing losses.

[0028] 6. The bottom plate of the hopper is perforated to serve as the discharge port. During unloading, the material falls onto the bottom plate first and then into the conveyor channel, which reduces the impact of the material and protects the belt conveyor to a certain extent. Attached Figure Description

[0029] Figure 1 This is a perspective view of a cover belt with a support device for unloading material during the present application; Figure 2 This is a view of a cover belt with a support device viewed from direction B according to this application; Figure 3 This is a side view of a cover belt with a support device for unloading during the present application; Figure 4 This is a cross-sectional view along AA of a support device for a covering belt according to this application; Figure 5 This is a partial enlarged view of a combined support structure with a supporting device for a covering belt, as described in this application; Figure 6 This is a view of the cover belt with support device behind the hidden parts in this application; Figure 7 This is a perspective view of a cover belt with a support device in which the material has not been unloaded.

[0030] Explanation of reference numerals in the attached figures: 1. Support frame; 11. First support frame; 12. Second support frame; 2. Support beam; 3. Covering strip; 31. First covering strip; 32. Second covering strip; 301. Enclosure space; 4. Combined support structure; 41. Mounting plate; 42. Overflow skirt; 43. Clamping device; 44. Lining plate; 5. Dustproof curtain; 6. Baffle; 7. Feeding bin; 71. Pressure roller assembly; 711. Connecting rod; 712. Pressure cylinder; 701. Feeding port; 8. Gaskets; 10. Belt conveyor; 20. Conveyor belt; 30. Conveying channel. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0032] This application discloses a support device for a cover belt.

[0033] Example 1 Reference Figure 1 and Figure 2 The supporting equipment for the covering belt includes a support frame 1, a support beam 2, a covering belt 3, a dustproof curtain 5, and a baffle 6; wherein: the support frame 1 is fixed on the belt conveyor 10, and mounting plates 41 are fixed on both sides inside the support frame 1. An anti-overflow skirt 42 is provided on the mounting plate 41, and the bottom of the anti-overflow skirt 42 contacts the conveyor belt 20 of the belt conveyor 10; the support beam 2 is spaced apart on the support frame 1, and the covering belt 3 is laid on the support beam 2 and the support frame 1. The covering belt 3 consists of at least two layers, and a wrapping space 301 extending into the interior of the support frame 1 is formed between the at least two layers of covering belt 3. The wrapping space 301 is used for... The material hopper 7 is loaded; the dust curtain 5 and the baffle 6 are respectively set at both ends of the support frame 1, and the bottom shape of the dust curtain 5 and the baffle 6 matches the cross-sectional shape of the conveyor belt 20; in this embodiment, the support frame 1, the cover belt 3, the mounting plate 41, the anti-overflow skirt 42 and the conveyor belt 20 together form the conveying channel 30; the mounting plate 41, the anti-overflow skirt 42, the clamping device 43 and the liner 44 together constitute the combined support body 4; the support frame 1 is fixed on the frame on both sides of the belt conveyor and is the frame of the entire support equipment. The entire support frame can be spliced ​​according to the length of the conveyor belt, and the support frame can be selected to match the conveyor belt with a suitable length.

[0034] Reference Figure 1 and Figure 2In other embodiments of this application, the dust curtain 5 is made of a tough and elastic material that can be cut, such as rubber. The dust curtain 5 is formed by cutting a single piece of elastic material. The baffle 6 is assembled from two materials. The upper part is a plate fixed to the support frame 1, and the lower part is a softer material with a certain degree of toughness and elasticity, such as rubber. The lower part is fixed to the upper part by a locking buckle. There is a small gap between the lower part of the baffle 6 and the conveyor belt 20. At the same time, the shapes of the dust curtain 5 and the baffle 6 match the cross-sectional shape of the entire conveying channel 30, so that the dust curtain 5 and the baffle 6 can completely cover both ends of the conveying channel 30.

[0035] Reference Figure 6 There are multiple supporting beams 2, which are inclined and parallel to each other, with gaps between adjacent supporting beams 2. In this embodiment, the supporting beams 2 are made of round tubes, and there are certain gaps between adjacent supporting beams 2. When unloading, the material falls through the gaps, and at the same time, the two ends of the supporting beams 2 will be bent to facilitate unloading.

[0036] In other embodiments of this application, the support beam 2 can be replaced with other polygonal columns, but the edges of the polygonal columns need to be vertically upward, that is, the surface in contact with the material when it falls is inclined, so as to better ensure that the material falls into the conveying channel 30; at the same time, the support beam 2 can be set to be able to rotate around an axis. When the material falls onto the support beam 2, the support beam 2 will rotate due to the weight of the material itself and the impact force of the material falling on the support beam 2. When the support beam 2 rotates, it can better drive the material to fall into the conveying channel 30.

[0037] Reference Figure 4 and Figure 6The support frame 1 includes a first support frame 11 and a second support frame 12. The first support frame 11 and the second support frame 12 are not exactly the same, and the height of the first support frame 11 is less than the height of the second support frame 12. The first support frame 11 and the second support frame 12 are respectively fixed to the frames on both sides of the belt conveyor 10. In this embodiment, although the first support frame 11 and the second support frame 12 are not exactly the same, they are generally in an inverted Z-shape. The first support frame 11 and the second support frame 12 are installed opposite to each other, so that the wider end of the support frame 11... Installed on a conveyor belt, with the narrower end connected to the support beam 2, the entire support frame 1, composed of the first support frame 11 and the second support frame 12, has an overall structure that is smaller at the top and larger at the bottom when viewed from the side; the support frame 1 has two bends, namely the first bend and the second bend from bottom to top. The first bend causes the support frame 1 to extend inward, and the second bend causes the support frame 1 to extend upward. The support beam 2 is fixed to the side of the support frame 1 near the end face after the second bend, and the covering belt 3 is fixed to the end face of the support frame 1; the combined support body 4 is fixed to the side of the support frame 1 near the second bend.

[0038] Reference Figure 5 and Figure 7 In this embodiment, multiple gaskets 8 are present, and the shapes and sizes of the multiple gaskets 8 are not completely identical. Gaskets 8 are installed between the combined support body 4 and the support frame 1, and gaskets 8 are also installed between the support frame 1 and the support beam 2. The gaskets 8 increase the connection between the support beam 2 and the support frame 1; simultaneously, the gaskets 8 also have a certain protective function for the support frame 1, from which... Figure 5 It can be seen that the gasket 8 covers the support frame 1 to prevent materials from scratching the support frame 1; according to the attached... Figure 5 A shim 8 with a bend can be used. By fixing the shim 8 at both ends, the entire shim 8 can be fixed to the support frame 1. This also protects the bend of the support frame 1 and increases the lifespan of the support frame 1.

[0039] Reference Figure 1 , Figure 4 and Figure 7 The covering strip 3 includes a first covering strip 31 and a second covering strip 32; one side of the first covering strip 31 is fixed to the first support frame 11, and the other side is laid on the support beam 2; one side of the second covering strip 32 is fixed to the second support frame 12, and at least a portion of the other side is laid on the first covering strip 31; in this embodiment, the covering strip 3 is made of a tough and elastic material, such as rubber; in other embodiments of this application, when the covering strip 3 is fixed to the support frame 1, a plate is often used to press down the edge of the covering strip 3 before fixing it. When using a plate for fixing, the opposite edge of the plate is bent to prevent the plate from scratching the covering strip.

[0040] Reference Figure 5 and Figure 7 The mounting plate 41 is provided with a clamping device 43, and the clamping device 43 abuts the anti-overflow skirt 42 against the mounting plate 41; a liner 44 is fixedly provided on the side of the mounting plate 41 away from the conveyor belt 20; in this embodiment, the clamping device 43 is a clamping elastic element with adjustable clamping degree, and the clamping device 43 abuts the anti-overflow skirt 42 against the mounting plate 41.

[0041] In other embodiments of this application, the anti-overflow skirt 42 is made of a material with a certain degree of elasticity that will not scratch the conveyor belt 20, such as rubber. The part of the anti-overflow skirt 42 that contacts the conveyor belt 20 has a rounded corner design to prevent damage to the conveyor belt 20. The anti-overflow skirt 42 is a consumable part and needs to be replaced in time after wear. The anti-overflow skirt 42 is a long strip, and a suitable length is cut for installation during use. Reference Figure 4 The unloading bin 7 is fixed to the bin on the unloader. During unloading, the unloading bin 7 is located within the wrapping space 301. The first covering strip 31 and the second covering strip 32 wrap the unloading bin 7 from both sides. The bottom surface of the unloading bin 7 has a unloading port 701, and there is a gap between the unloading bin 7 and the supporting beam 2. In this embodiment, the lower surface of the unloading bin 7 is parallel to the supporting beam 2, that is, parallel to the common tangent of multiple supporting beams 2. The unloading port 701 is set on the bottom surface of the unloading bin 7, and preferably at a position where the angle between the bottom surface and the side surface is acute. The unloading port 701 is set at a lower position so that it can slide down to the position of the unloading port 701 by the weight of the material itself during unloading. At the same time, at least part of the bottom plate of the unloading bin 7 is made of board.

[0042] In other embodiments of this application, the discharge port 701 may be provided in multiple ways, and the lower surface of the discharge bin 7 may not be parallel to the covering belt 3, but it is best to make the tilting direction of the discharge bin 7 consistent with the tilting direction of the supporting beam 2 when installing the discharge bin 7.

[0043] Reference Figure 1 The unloading bin 7 includes multiple pressure roller assemblies 71, which are used to press the covering belt 3. In this embodiment, there are two pressure roller assemblies, which are installed in the direction of the unloading bin 7 when it moves back and forth. In other embodiments of this application, the number of pressure roller assemblies can be set to four, with two pressure roller assemblies on one side pressing down on two covering belts respectively. When the unloading bin 7 moves with the unloader, the covering belt 3 is continuously lifted and covered. After the unloading bin 7 moves away, the pressure roller assemblies 71 use their own weight to press down the covering belt 3, so that the covering belt 3 is re-erected on the support beam 2.

[0044] Reference Figure 1 and Figure 2 The pressure roller assembly 71 includes a connecting rod 711 and a pressure cylinder 712. One end of the connecting rod 711 is hinged to the feeding bin 7, and the other end of the connecting rod 711 is connected to the pressure cylinder 712. The pressure cylinder 712 contacts the upper surface of the covering belt 3. In other embodiments of this application, the pressure cylinder 712 can rotate around an axis. A top rod is provided at the position where the connecting rod 711 is hinged to the feeding bin 7 to limit the rotation angle of the connecting rod 711, thereby limiting the height of the covering belt 3 when the pressure cylinder 712 presses the covering belt 3.

[0045] The implementation principle of a support device for a covering belt in this embodiment is as follows: When no material is being discharged, the first covering belt 31 and the second covering belt 32 overlap and cover the support beam 2. The covering belt 3, support frame 1, combined support body 4, conveyor belt 20, dust curtain 5, and baffle 6 together form a shielding space, which protects the belt conveyor 10 to a certain extent. During unloading, the first covering belt 31 and the second covering belt 32 are manually opened to form a wrapping space 301. The unloading bin 7, which is fixed on the unloader, is placed in the wrapping space 301 between the first covering belt 31 and the second covering belt 32 to start unloading. The material falls into the wrapping space 301. After entering the discharge bin 7, the material flows into the discharge port 701 along the bottom surface of the discharge bin 7, and then into the conveying channel 30. Some material falls directly onto the conveyor belt 20, and some material falls onto the support beam 2. The material falling onto the support beam 2 falls into the conveying channel 30 under its own weight and the action of the inclined support beam 2. The anti-overflow skirt 42 on the combined support body 4 restricts the position of the material on both sides of the conveyor belt 20 in the conveying channel 30. The liner 44 is wear-resistant and extends the service life of the mounting plate 41 during material conveying. During unloading and conveying, the material is fully shielded and can prevent the material from overflowing the conveyor belt and causing spillage.

[0046] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A support device for covering belts, characterized in that, Includes a support frame (1), a support beam (2), a covering strip (3), a dustproof curtain (5), and a baffle (6); wherein: The support frame (1) is fixed on the belt conveyor (10). The support frame (1) has mounting plates (41) fixed on both sides inside. The mounting plates (41) are provided with anti-overflow skirts (42). The bottom of the anti-overflow skirts (42) is in contact with the conveyor belt (20) of the belt conveyor (10). The supporting beams (2) are spaced apart on the support frame (1), and the covering strip (3) is laid on the supporting beams (2) and the support frame (1). The covering strip (3) is divided into at least two layers and a wrapping space (301) extending into the support frame (1) is formed between the at least two layers of covering strip (3). The wrapping space (301) is used to install the unloading bin (7). The dust curtain (5) and the baffle (6) are respectively disposed at both ends of the support frame (1), and the bottom shape of the dust curtain (5) and the baffle (6) matches the cross-sectional shape of the conveyor belt (20).

2. The support device for a covering belt according to claim 1, characterized in that: There are multiple support beams (2), which are inclined and parallel to each other, with gaps between adjacent support beams (2).

3. A support device for a covering belt according to claim 2, characterized in that: The support frame (1) includes a first support frame (11) and a second support frame (12); the height of the first support frame (11) is less than the height of the second support frame (12); the first support frame (11) and the second support frame (12) are respectively fixed on the frame on both sides of the belt conveyor (10); both ends of the plurality of support beams (2) are respectively fixed to the first support frame (11) and the second support frame (12).

4. A support device for a covering belt according to claim 3, characterized in that: The covering strip (3) includes a first covering strip (31) and a second covering strip (32); One side of the first covering strip (31) is fixed to the first support frame (11), and the other side is laid on the support beam (2); One side of the second covering strip (32) is fixed to the second support frame (12), and at least part of the other side is laid on the first covering strip (31).

5. A support device for a covering belt according to claim 1, characterized in that: The mounting plate (41) is provided with a clamping device (43), and the clamping device (43) presses the anti-overflow skirt (42) against the mounting plate (41); A liner (44) is fixedly provided on the side of the mounting plate (41) away from the conveyor belt (20).

6. A support device for a covering belt according to claim 4, characterized in that: The unloading bin (7) is fixed to the bin on the unloading machine. When unloading, the unloading bin (7) is located in the wrapping space (301). The first covering strip (31) and the second covering strip (32) wrap the unloading bin (7) from both sides respectively. The bottom surface of the unloading bin (7) has a discharge port (701), and there is a gap between the unloading bin (7) and the supporting beam (2).

7. A support device for a covering belt according to claim 1, characterized in that: The feeding hopper (7) includes a pressure roller assembly (71), and multiple pressure roller assemblies (71) are provided. The pressure roller assembly (71) is used to press the cover belt (3).

8. A support device for a covering strip according to claim 7, characterized in that: The pressure roller assembly (71) includes a connecting rod (711) and a pressure cylinder (712). One end of the connecting rod (711) is hinged to the feed hopper (7), and the other end of the connecting rod (711) is connected to the pressure cylinder (712). The pressure cylinder (712) is in contact with the upper surface of the cover belt (3).

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