Truck unloading earth surface feeder

Abstract

The invention discloses a truck unloading earth surface feeding machine, and relates to the technical field of earth surface feeding, the truck unloading earth surface feeding machine comprises a frame body, a material receiving assembly is fixedly connected above the frame body, during unloading, materials enter the material receiving assembly and then are transferred to a horizontal conveying mechanism, then the materials are transferred to a lifting conveying mechanism to move upwards, and then the materials enter a tail part material receiving hopper; and finally, the materials are conveyed to a designated position, transferring and conveying of the materials are conveniently achieved, the materials are prevented from being spilled out of the material collecting assembly by adjusting the opening and closing angle of the left discharging baffle or the right discharging baffle and adjusting the distance between the upper buffering grating and the lower buffering grating in a linkage mode, the materials are prevented from being impacted, and meanwhile blockage caused by material accumulation is prevented. The requirement for efficient operation of materials is met, unloading can be flexibly selected from the left side or the right side through the left unloading baffle and the right unloading baffle adjustable mechanism, after unloading is completed, a tractor drags the device to the next work site, and the device is quite convenient and rapid to use.

Description

Technical Field

[0001] The invention relates to the technical field of surface feeding, and in particular to a truck unloading surface feeder. Background Art

[0002] Surface feeder is a heavy industrial equipment, mainly used to receive materials dumped by dump trucks and transport them to designated locations. It has the characteristics of flexible layout, uniform feeding, high production efficiency and low failure rate. It is widely used in grain storage, electric power, mining, chemical industry and other fields for conveying and feeding a variety of materials.

[0003] Loose materials such as sand, gravel, and grains are usually transported by dump trucks or loaders and piled up by belt conveyors. A large amount of material is unloaded at one time, which can easily cause equipment blockage. There is no buffer structure. Excessive material unloading will cause the feeder to bear excessive instantaneous impact force, which can easily cause damage to the feeder. It cannot meet the needs of efficient material operation. In addition, the equipment transfer is not convenient and fast, and the discharge port position cannot be flexibly selected according to the site of use. Summary of the invention

[0004] The purpose of the present invention is to provide a truck unloading surface feeder to solve the technical problems that excessive material dumping easily causes damage to the feeder, the equipment transfer is inconvenient and inefficient, and the position of the unloading port cannot be flexibly selected.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a truck unloading surface feeder, comprising: a frame, a rear end of the frame is fixedly connected to a tail connecting frame, a top of the tail connecting frame is fixedly connected to a hydraulic control component, a tire walking assembly is arranged at the bottom of the frame, a material receiving component is fixedly connected to the top of the frame, a horizontal conveying mechanism is arranged at the bottom of the material receiving component, the horizontal conveying mechanism is fixed inside the frame, a front end of the frame is fixedly connected to a horizontal conveying driving member, the horizontal conveying driving member drives the horizontal conveying mechanism, the front end of the frame is hinged with a lifting and conveying mechanism, the front end of the lifting and conveying mechanism is hinged with a tail receiving hopper, the front end of the lifting and conveying mechanism is fixedly connected to a lifting driving member on the right side, and the lifting driving member is connected to and drives the lifting and conveying mechanism.

[0006] Preferably, the hydraulic control assembly includes a lifting hydraulic component, a buffer hydraulic component, a side hydraulic component and a control component. The buffer hydraulic component includes a first hydraulic cylinder, a first piston is slidably connected inside the first hydraulic cylinder, and a first piston rod is fixedly connected to one end of the first piston. The side hydraulic component includes a second hydraulic cylinder, a first piston is slidably connected inside the second hydraulic cylinder, and a second piston rod is fixedly connected to one end of the first piston.

[0007] Preferably, the material receiving assembly includes a material receiving baffle assembly, and the material receiving baffle assembly includes a front material receiving baffle, a rear material receiving baffle, a left material receiving baffle and a right material receiving baffle. The bottom end of the front material receiving baffle is provided with a discharge port and the top end is fixedly connected to a front unloading baffle. The top of the rear material receiving baffle is fixedly connected to a rear unloading baffle. The top of the left material receiving baffle is rotatably connected to the left unloading baffle. The top of the right material receiving baffle is rotatably connected to the right unloading baffle.

[0008] Preferably, a material receiving bottom plate is respectively provided at the bottom of both sides of the material receiving baffle assembly, a lower buffer grille is fixedly connected to the top of the material receiving bottom plate, the top of the lower buffer grille is connected to the bottom of the upper buffer grille by arranging a plurality of the buffer pressure parts, the upper buffer grille is arranged on the inner side of the material receiving baffle assembly, and the upper buffer grille is slidably connected to the material receiving baffle assembly.

[0009] Preferably, the outer side of the left unloading baffle is hinged to the side hydraulic component, the bottom end of the side hydraulic component is hinged to a first support component, the bottom of the first support component is hinged to the left side of the frame body, the top of the first support component is hinged to second support components on both sides, the top of the second support component is hinged to the outer side of the left unloading baffle, and the right unloading baffle is provided with a support mechanism symmetrical to the left unloading baffle, which will not be repeated.

[0010] Preferably, the horizontal conveying mechanism includes an active roller, a driven roller and a horizontal conveyor belt, the active roller is rotatably connected to the inside of the frame, the active roller and the driven roller are connected through the horizontal conveyor belt, the rotating shaft of the horizontal conveying drive member is fixedly connected to the front end of the active roller support shaft, both ends of the driven roller are fixedly connected with roller connecting blocks, the upper and lower ends of the roller connecting block are respectively provided with sliding grooves, the sliding groove is slidably connected with a guide rail member, the left end of the sliding groove is fixedly connected with a buffer tension spring, and the left end of the buffer tension spring is fixedly connected to the longitudinal support rod of the frame.

[0011] Preferably, the right end of the lifting and conveying mechanism bracket is rotatably connected to a lifting active roller, and the left end of the lifting and conveying mechanism bracket is rotatably connected to a lifting driven roller. A lifting conveyor belt is installed on the lifting active roller and the lifting driven roller, and the rotating shaft of the lifting drive member is fixedly connected to the front end of the rotating shaft of the lifting active roller.

[0012] Preferably, hydraulic leg assemblies are fixedly connected to both sides of the rear end of the frame, the front end of the frame is hinged to the lifting hydraulic component, and the top of the lifting hydraulic component is hinged to the lifting and conveying mechanism.

[0013] Preferably, a first through hole is formed on the side wall of one end of the first hydraulic cylinder close to the lower buffer grille, a second through hole is formed on one end of the second hydraulic cylinder close to the frame body, and a third through hole is formed on one end away from the frame body, the first through hole is connected to the third through hole through a pipeline, the control component is provided with a pipeline reversing valve, and the second through hole is connected to the reversing valve through a pipeline.

[0014] Preferably, the angle between the tail receiving hopper and the lifting and conveying mechanism is adjustable, and a traction member is fixedly connected to the rear end of the tail connecting frame.

[0015] The beneficial effects of the present invention are: 1. The present invention provides an adjustable mechanism for the left unloading baffle and the right unloading baffle, so that the unloading vehicle can flexibly choose to unload from the left or right side according to the work site; after unloading, the tractor tows the present invention to the next work site through the tire travel assembly, which is very convenient and quick.

[0016] 2. The present invention is provided with a material receiving component. When unloading, the material enters the inside of the material receiving component and is transferred to the horizontal conveying mechanism. The horizontal conveying driving member drives the horizontal conveying mechanism to operate, and the material is conveyed horizontally to the front end of the frame. The material is transferred to the lifting conveying mechanism, and the lifting driving member drives the lifting conveying mechanism to be transported upward by the slope. The material enters the rear receiving hopper and is finally transported to the designated position, so that the transfer and transportation of the material can be realized very conveniently.

[0017] 3. The present invention prevents materials from spilling out of the material receiving assembly and from clogging due to material accumulation while preventing impact, thereby meeting the demand for efficient material movement by adjusting the opening and closing angles of the left unloading baffle or the right unloading baffle and the linkage adjustment of the distance between the upper buffer grille and the lower buffer grille. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of the material receiving component of the present invention.

[0020] Figure 3 It is a schematic diagram of the structure of the lifting and conveying mechanism of the present invention.

[0021] Figure 4 It is a schematic diagram of the explosion of the material receiving assembly of the present invention.

[0022] Figure 5 For the present invention Figure 2 A partial enlarged schematic diagram in the middle.

[0023] Figure 6 It is a cross-sectional view of the hydraulic component of the side of the present invention.

[0024] Figure 7 It is a cross-sectional view of the buffer pressure member of the present invention.

[0025] The accompanying drawings are marked as follows: 1. frame; 2. Tail connecting frame; 3. Tire running assembly; 4. Material receiving assembly; 41. Lower buffer grille; 42. Left unloading baffle; 43. Material receiving bottom plate; 44. Baffle assembly; 441. Front baffle for material receiving; 442. Rear baffle for material receiving; 443. Left baffle for material receiving; 444. Right baffle for material receiving; 45. Right unloading baffle; 46. Upper buffer grille; 47. First support member; 48. Second support member; 5. Horizontal conveying drive parts; 6. Horizontal conveying mechanism; 61. Active rotary roller; 62. Driven rotary roller; 63. Horizontal conveying belt; 64. Rotary roller connecting block; 641. Slideway; 65. Guide rail; 66. Buffer tension spring; 7. Lift the conveying mechanism; 71. Lift the active rotary roller; 72. Lift the driven rotary roller; 73. Lift the conveyor belt; 8. Lift the drive member; 9. Tail collecting hopper; 10. Hydraulic control assembly; 101. Lifting hydraulic component; 102. Buffering hydraulic component; 1021. First hydraulic cylinder; 1022. First piston rod; 1023. First piston; 1024. First through hole; 103. Side hydraulic component; 1031. Second hydraulic cylinder; 1032. Second piston rod; 1033. Second piston; 1034. Third through hole; 1035. Second through hole; 104. Control component. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0027] Example 1 Refer to the attached Figures 1 to 7A truck unloading surface feeder comprises: a frame 1, a tail connecting frame 2 is fixedly connected to the rear end of the frame 1, a hydraulic control component 10 is fixedly connected to the top of the tail connecting frame 2, a tire walking assembly 3 is arranged at the bottom of the frame 1, a material receiving component 4 is fixedly connected to the top of the frame 1, a horizontal conveying mechanism 6 is arranged at the bottom of the material receiving component 4, the horizontal conveying mechanism 6 is fixed inside the frame 1, a horizontal conveying driving member 5 is fixedly connected to the front end of the frame 1, the horizontal conveying driving member drives the horizontal conveying mechanism 6, a lifting conveying mechanism 7 is hingedly connected to the front end of the frame 1, a tail receiving hopper 9 is hingedly connected to the front end of the lifting conveying mechanism 7, a lifting driving member 8 is fixedly connected to the right side of the front end of the lifting conveying mechanism 7, and the lifting driving member 8 is connected to and drives the lifting conveying mechanism 7. The hydraulic control assembly 10 includes a lifting hydraulic component 101, a buffer hydraulic component 102, a side hydraulic component 103 and a control component 104. The front end of the frame 1 is hinged to the lifting hydraulic component 101, and the top of the lifting hydraulic component 101 is hinged to the lifting and conveying mechanism 7. The angle between the rear receiving hopper 9 and the lifting and conveying mechanism 7 is adjustable. The rear end of the rear connecting frame 2 is fixedly connected to a traction component, and the two sides of the rear end of the frame 1 are respectively fixedly connected to hydraulic support leg assemblies.

[0028] Referring to Figure 2, the horizontal conveying mechanism 6 includes an active roller 61, a driven roller 62 and a horizontal conveying belt 63. The active roller 61 is rotatably connected to the inside of the frame 1. The active roller 61 and the driven roller 62 are connected through the horizontal conveying belt 63. The rotating shaft of the horizontal conveying drive member 5 is fixedly connected to the front end of the support shaft of the active roller 61. Both ends of the driven roller 62 are fixedly connected to a roller connecting block 64. The upper and lower ends of the roller connecting block 64 are respectively provided with a slide groove 641. The slide groove 641 is slidably connected to a guide rail member 65. The left end of the slide groove 641 is fixedly connected to a buffer tension spring 66. The left end of the buffer tension spring 66 is fixedly connected to the longitudinal support rod of the frame 1.

[0029] Referring to Figure 3, the right end of the lifting and conveying mechanism 7 bracket is rotatably connected to a lifting active roller 71, and the left end of the lifting and conveying mechanism 7 bracket is rotatably connected to a lifting driven roller 72. A lifting conveyor belt 73 is installed on the lifting active roller 71 and the lifting driven roller 72, and the rotating shaft of the lifting drive member 8 is fixedly connected to the front end of the rotating shaft of the lifting active roller 71.

[0030] When unloading on the right side, the present invention is towed and moved to the work site by a tractor, and the hydraulic leg assemblies respectively connected to the two sides of the rear end of the frame 1 are adjusted to be firmly supported by the ground. The side hydraulic component 103 is controlled by the control component 104 to rotate the right unloading baffle 45 until the right unloading baffle 45 rotates to the step. The principle of opening the left unloading baffle 42 and the right unloading baffle 45 is the same, and it will not be repeated. The material in the unloading vehicle is unloaded into the receiving component 4. After the material enters the receiving component 4, it is transferred to the horizontal conveying mechanism 6 and driven by the horizontal conveying driving component 5. The horizontal conveying mechanism 6 operates to convey the material horizontally to the front end of the frame 1, so that the material is transferred to the lifting conveying mechanism 7, and the lifting driving member 8 drives the lifting conveying mechanism 7 to transport the material upward on the slope. The material enters the rear receiving hopper 9 and is finally transported to the designated position. The transfer and transportation of the material is very convenient. The operation sequence of unloading on the left side is the same as that of unloading on the right side, and no further details are given. The unloading vehicle can flexibly choose to unload from the left or right side according to the work site. After unloading, the present invention is towed to the next work site by a tractor, which is very convenient and fast.

[0031] Example 2 In actual use, it is found that excessive material dumping during unloading will cause the feeder to bear excessive instantaneous impact force, which may easily cause damage to the feeder and fail to meet the requirements of efficient operation of the material. Therefore, further improvements are made on the basis of the above embodiments.

[0032] Refer to the attached Figures 1 to 7,, the material receiving assembly 4 includes a material receiving baffle assembly 44, which includes a front material receiving baffle 441, a rear material receiving baffle 442, a left material receiving baffle 443 and a right material receiving baffle 444. The bottom of the front material receiving baffle 441 is provided with a discharge port and the top thereof is fixedly connected with a front unloading baffle, the top of the rear material receiving baffle 442 is fixedly connected with a rear unloading baffle, the top of the left material receiving baffle 443 is rotatably connected with the left unloading baffle 42, the top of the right material receiving baffle 444 is rotatably connected with the right unloading baffle 45, and the bottoms of the two sides of the material receiving baffle assembly 44 are respectively provided with The receiving bottom plate 43 has a lower buffer grille 41 fixedly connected to the top of the receiving bottom plate 43. The top of the lower buffer grille 41 is connected to the bottom of the upper buffer grille 46 by setting a plurality of buffer hydraulic components 102. The upper buffer grille 46 is set on the inner side of the receiving baffle assembly 44, and the upper buffer grille 46 is slidably connected to the receiving baffle assembly 44. The outer side of the left unloading baffle 42 is hinged to the side hydraulic component 103. The bottom end of the side hydraulic component 103 is hinged to the first support component 47. The bottom of the first support component 47 is hinged to the left side of the frame 1. The top of the first support component 47 is hinged on both sides. The second support member 48, the top end of the second support member 48 is hinged to the outside of the left unloading baffle 42, the right unloading baffle 45 is provided with a support mechanism symmetrical to the left unloading baffle 42, and no further description is given. The buffer hydraulic member 102 includes a first hydraulic cylinder 1021, a first piston 1023 is slidably connected in the first hydraulic cylinder 1021, and a first piston rod 1022 is fixedly connected to one end of the first piston 1023. The first hydraulic cylinder 1021 is filled with hydraulic oil, and the side hydraulic member 103 includes a second hydraulic cylinder 1031, a first piston 1023 is slidably connected in the second hydraulic cylinder 1031, and a first piston rod 1022 is fixedly connected at one end of the first piston 1023. The first hydraulic cylinder 1021 is filled with hydraulic oil. A second piston 1033 is connected, one end of the second piston 1033 is fixedly connected to a second piston rod 1032, a first through hole 1024 is provided on the side wall of one end of the first hydraulic cylinder 1021 close to the lower buffer grid 41, a second through hole 1035 is provided on the end of the second hydraulic cylinder 1031 close to the frame 1, and a third through hole 1034 is provided on the end away from the frame 1, the first through hole 1024 and the third through hole 1034 are connected through a pipeline, the control component 104 is provided with a hydraulic pump and a pipeline reversing valve, and the second through hole 1035 is connected to the reversing valve through a pipeline.

[0033] When unloading on the right side, the material dumping amount is large. First, in order to prevent the material from spilling out of the receiving assembly 4, it is necessary to reduce the opening and closing angle of the left unloading baffle 42. Therefore, the control component 104 injects hydraulic oil from the second through hole 1035 into the cavity of the second hydraulic cylinder 1031 through the pipeline, and the hydraulic oil pushes the second piston 1033 to move. The second piston 1033 pushes the second piston rod 1032 to slide toward the outside of the second hydraulic cylinder 1031, and the second piston rod 1032 pushes the left unloading baffle 42 to rotate upward to reduce its opening and closing angle. At the same time, in order to prevent a large amount of material from impacting the horizontal conveying mechanism 6, the upper buffer grille 46 arranged in the receiving assembly 4 performs the first buffer protection. If the grid hole of the single-layer grid is too large, it can only offset part of the impact force. If the hole is too small, it is easy to cause blockage. Therefore, the grid holes of the upper buffer grille 46 and the lower buffer grille 41 are staggered, and then the lower buffer grille 41 performs the second buffer protection. In order to prevent the upper buffer grille 46 and the lower buffer grille 41 from causing blockage , it is necessary to increase the relative distance between the upper buffer grille 46 and the lower buffer grille 41. When the opening and closing angle of the left unloading baffle is reduced, the second piston 1033 pushes the hydraulic oil on one side of the second piston rod 1032 to flow from the third through hole 1034 to the first through hole 1024 connected to its pipeline, and the hydraulic oil pushes the first piston 1023 to move toward one side of the first piston rod 1022. The first piston 1023 pushes the first piston rod 1022 to slide toward the outside of the first hydraulic cylinder 1021, and the first piston rod 1022 pushes the upper buffer grille 46 to move, thereby increasing the relative distance between the upper buffer grille 46 and the lower buffer grille 41. The opening and closing angle of the left unloading baffle 42 is linked to the mutual distance between the upper buffer grille 46 and the lower buffer grille 41 to prevent materials from spilling out of the material receiving assembly 4, and while preventing impact, it also prevents material accumulation and blockage, thereby meeting the needs of efficient material operation. The unloading operations from the left side and the unloading operations from the right side are the same and will not be repeated.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A truck unloading surface feeder, comprising: The frame (1) is characterized in that the rear end of the frame (1) is fixedly connected to a tail connecting frame (2), the top of the tail connecting frame (2) is fixedly connected to a hydraulic control component (10), the bottom of the frame (1) is provided with a tire walking assembly (3), the top of the frame (1) is fixedly connected to a material receiving component (4), the bottom of the material receiving component (4) is provided with a horizontal conveying mechanism (6), the horizontal conveying mechanism (6) is fixed inside the frame (1), the front end of the frame (1) is fixedly connected to a horizontal conveying drive member (5), the horizontal conveying drive member drives the horizontal conveying mechanism (6), the front end of the frame (1) is hinged with a lifting conveying mechanism (7), the front end of the lifting conveying mechanism (7) is hinged with a tail receiving hopper (9), the front right side of the lifting conveying mechanism (7) is fixedly connected to a lifting drive member (8), the lifting drive member (8) is connected to and drives the lifting conveying mechanism (7).

2. A truck unloading surface feeder according to claim 1, characterized in that: The hydraulic control assembly (10) comprises a lifting hydraulic component (101), a buffer hydraulic component (102), a side hydraulic component (103) and a control component (104); the buffer hydraulic component (102) comprises a first hydraulic cylinder (1021), a first piston (1023) is slidably connected inside the first hydraulic cylinder (1021), and one end of the first piston (1023) is fixedly connected to a first piston rod (1022); the side hydraulic component (103) comprises a second hydraulic cylinder (1031), a first piston (1033) is slidably connected inside the second hydraulic cylinder (1031), and one end of the first piston (1033) is fixedly connected to a second piston rod (1032).

3. A truck unloading surface feeder according to claim 2, characterized in that: The material receiving assembly (4) comprises a material receiving baffle assembly (44), and the material receiving baffle assembly (44) comprises a material receiving front baffle (441), a material receiving rear baffle (442), a material receiving left baffle (443) and a material receiving right baffle (444). The material receiving front baffle (441) is provided with a discharge port at its bottom end and is fixedly connected to a front unloading baffle at its top end. The material receiving rear baffle (442) is fixedly connected to a rear unloading baffle at its top. The material receiving left baffle (443) is rotatably connected to a left unloading baffle (42) at its top end. The material receiving right baffle (444) is rotatably connected to a right unloading baffle (45) at its top end.

4. A truck unloading surface feeder according to claim 3, characterized in that: The bottoms of both sides of the material receiving baffle assembly (44) are respectively provided with material receiving bottom plates (43); the top of the material receiving bottom plate (43) is fixedly connected to a lower buffer grille (41); the top of the lower buffer grille (41) is connected to the bottom of an upper buffer grille (46) by providing a plurality of buffer pressure members (102); the upper buffer grille (46) is provided inside the material receiving baffle assembly (44), and the upper buffer grille (46) is slidably connected to the material receiving baffle assembly (44).

5. A truck unloading surface feeder according to claim 4, characterized in that: The outer side of the left unloading baffle (42) is hinged to the side hydraulic component (103), the bottom end of the side hydraulic component (103) is hinged to a first support component (47), the bottom of the first support component (47) is hinged to the left side of the frame (1), the top of the first support component (47) is hinged to two sides of the second support component (48), the top of the second support component (48) is hinged to the outer side of the left unloading baffle (42), and the right unloading baffle (45) is provided with a support mechanism symmetrical to the left unloading baffle (42), which will not be described in detail.

6. A truck unloading surface feeder according to claim 5, characterized in that: The horizontal conveying mechanism (6) comprises an active rotary roller (61), a driven rotary roller (62) and a horizontal conveying belt (63); the active rotary roller (61) is rotatably connected to the inside of the frame (1); the active rotary roller (61) and the driven rotary roller (62) are connected via the horizontal conveying belt (63); the rotating shaft of the horizontal conveying driving member (5) is fixedly connected to the front end of the support shaft of the active rotary roller (61); both ends of the driven rotary roller (62) are fixedly connected to a rotary roller connecting block (64); the upper and lower ends of the rotary roller connecting block (64) are respectively provided with a slide groove (641); the slide groove (641) is slidably connected to a guide rail member (65); the left end of the slide groove (641) is fixedly connected to a buffer tension spring (66); the left end of the buffer tension spring (66) is fixedly connected to the longitudinal support rod of the frame (1).

7. A truck unloading surface feeder according to claim 6, characterized in that: The right end of the lifting and conveying mechanism (7) bracket is rotatably connected to a lifting active roller (71), and the left end of the lifting and conveying mechanism (7) bracket is rotatably connected to a lifting driven roller (72). A lifting conveyor belt (73) is installed on the lifting active roller (71) and the lifting driven roller (72), and the rotating shaft of the lifting drive member (8) is fixedly connected to the front end of the rotating shaft of the lifting active roller (71).

8. A truck unloading surface feeder according to claim 7, characterized in that: Hydraulic leg assemblies are fixedly connected to both sides of the rear end of the frame body (1), the front end of the frame body (1) is hinged to the lifting hydraulic component (101), and the top of the lifting hydraulic component (101) is hinged to the lifting conveying mechanism (7).

9. A truck unloading surface feeder according to claim 8, characterized in that: A first through hole (1024) is provided on a side wall of one end of the first hydraulic cylinder (1021) close to the lower buffer grille (41); a second through hole (1035) is provided on one end of the second hydraulic cylinder (1031) close to the frame (1); and a third through hole (1034) is provided on one end away from the frame (1); the first through hole (1024) and the third through hole (1034) are connected via a pipeline; the control component (104) is provided with a pipeline reversing valve; and the second through hole (1035) and the reversing valve are connected via a pipeline.

10. A truck unloading surface feeder according to claim 9, characterized in that: The angle between the tail receiving hopper (9) and the lifting and conveying mechanism (7) is adjustable, and a traction member is fixedly connected to the rear end of the tail connecting frame (2).

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