A truck unloading ground feeder

Abstract

The application discloses a truck unloading ground feeding machine and relates to the technical field of ground feeding, which comprises a frame body, a material collecting assembly is fixedly connected above the frame body, when unloading, materials enter the material collecting assembly, are transferred onto a horizontal conveying mechanism, are then transferred onto a lifting conveying mechanism upwards, then enter a tail material collecting hopper and finally are conveyed to a designated position, so that the transfer and conveying of the materials are conveniently realized, the opening and closing angle of left unloading baffles or right unloading baffles is adjusted, the mutual distance between the upper buffer grating and the lower buffer grating is adjusted, the materials are prevented from spilling out of the material collecting assembly, the materials are prevented from being impacted and being accumulated to cause blockage, the demand of efficient operation of the materials is met, the left unloading baffles or the right unloading baffles can be flexibly selected to unload from the left side or the right side through the adjustable mechanism of the left unloading baffles and the right unloading baffles, and after unloading is completed, a tractor pulls the application to the next working site, which is very convenient and fast.

Description

Technical Field

[0001] This invention relates to the field of surface feeding technology, and more particularly to a truck unloading surface feeder. Background Technology

[0002] A surface feeder is a heavy industrial piece of equipment mainly used to receive materials dumped by dump trucks and transport them to a designated location. It features flexible layout, uniform feeding, high production efficiency, and low failure rate. It is widely used in grain storage, power, mining, chemical and other fields for conveying and feeding various materials.

[0003] Loose materials such as sand, gravel, and grain are usually transported by dump trucks or loaders and piled up by belt conveyors. The large volume of material dumped at one time can easily cause equipment blockage. The lack of a buffer structure means that the excessive material dumping volume can cause the feeder to be subjected to excessive instantaneous impact force, which can easily lead to damage to the feeder. This method cannot meet the requirements for efficient material handling and also makes it inconvenient and quick to move the equipment. The location of the discharge port cannot be flexibly selected according to the site of use. Summary of the Invention

[0004] The purpose of this invention is to provide a truck unloading surface feeder to solve the technical problems of excessive material dumping volume causing damage to the feeder, inconvenient and quick equipment relocation, and inflexible selection of unloading port location.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a truck unloading surface feeder, comprising: a frame, a tail connecting frame fixedly connected to the rear end of the frame, a hydraulic control component fixedly connected to the top of the tail connecting frame, a tire walking assembly provided at the bottom of the frame, a material receiving component fixedly connected to the top of the frame, a horizontal conveying mechanism provided at the bottom of the material receiving component, the horizontal conveying mechanism being fixed inside the frame, a horizontal conveying drive component fixedly connected to the front end of the frame, the horizontal conveying drive component driving the horizontal conveying mechanism, a lifting conveying mechanism hinged to the front end of the frame, a tail receiving hopper hinged to the front end of the lifting conveying mechanism, a lifting drive component fixedly connected to the right side of the front end of the lifting conveying mechanism, the lifting drive component connecting to and driving the lifting 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, in which a first piston is slidably connected, and a first piston rod is fixedly connected to one end of the first piston. The side hydraulic component includes a second hydraulic cylinder, in which a first piston is slidably connected, and a second piston rod is fixedly connected to one end of the first piston.

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

[0008] Preferably, a receiving base plate is provided on the bottom of each side of the receiving baffle assembly, and a lower buffer grid is fixedly connected to the top of the receiving base plate. The top of the lower buffer grid is connected to the bottom of the upper buffer grid through a plurality of buffer pressure members. The upper buffer grid is disposed inside the receiving baffle assembly and is slidably connected to the receiving baffle assembly.

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

[0010] Preferably, the horizontal conveying mechanism includes a driving roller, a driven roller, and a horizontal conveyor belt. The driving roller is rotatably connected inside the frame. The driving roller and the driven roller are connected through the horizontal conveyor belt. The rotating shaft of the horizontal conveying drive is fixedly connected to the front end of the driving roller support shaft. Roller connecting blocks are fixedly connected to both ends of the driven roller. Slide grooves are respectively opened at the upper and lower ends of the roller connecting blocks. Guide rails are slidably connected to the slide grooves. A buffer spring is fixedly connected to the left end of the slide groove. The left end of the buffer spring is fixedly connected to the longitudinal support rod of the frame.

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

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

[0013] Preferably, the first hydraulic cylinder has a first through hole on the side wall near the lower buffer grid, the second hydraulic cylinder has a second through hole at the end near the frame and a third through hole at the end away from the frame, the first through hole and the third through hole are connected by a pipeline, the control component has a pipeline reversing valve, and the second through hole and the reversing valve are connected by a pipeline.

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

[0015] The beneficial effects of this invention are:

[0016] 1. By setting an adjustable mechanism for the left and right unloading baffles, the unloading vehicle can flexibly choose to unload from the left or right side according to the work site; after unloading, the tractor can pull the invention to the next work site through the set tire walking assembly, which is very convenient and fast.

[0017] 2. This invention features a receiving assembly. During unloading, the material enters the receiving assembly and is then transferred to a horizontal conveying mechanism. The horizontal conveying mechanism is driven by a horizontal conveying drive to transport the material horizontally towards the front of the frame. The material is then transferred to a lifting conveying mechanism, which is driven by a lifting drive to move the material up a ramp. The material enters the tail receiving hopper and is finally transported to the designated location, thus facilitating the transfer and transport of materials.

[0018] 3. This invention, by setting the opening angle adjustment of the left or right unloading baffle and the linkage adjustment of the distance between the upper and lower buffer grids, not only prevents the material from spilling out of the receiving component, but also prevents the material from being impacted and accumulating and causing blockage, thus meeting the requirements for efficient material operation. Attached Figure Description

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

[0020] Figure 2 This is a schematic diagram of the material receiving component of the present invention.

[0021] Figure 3 This is a schematic diagram of the lifting and conveying mechanism of the present invention.

[0022] Figure 4 This is an exploded view of the material receiving component of the present invention.

[0023] Figure 5 For the present invention Figure 2 A magnified view of a portion of point A in the middle.

[0024] Figure 6 This is a cross-sectional view of the hydraulic component of the present invention.

[0025] Figure 7 This is a cross-sectional view of the buffer compression component of the present invention.

[0026] The attached diagram is labeled as: 1. Frame;

[0027] 2. Tail-end connecting frame;

[0028] 3. Tire and running gear assembly;

[0029] 4. Receiving assembly; 41. Lower buffer grid; 42. Left discharge baffle; 43. Receiving base plate; 44. Baffle assembly; 441. Receiving front baffle; 442. Receiving rear baffle; 443. Receiving left baffle; 444. Receiving right baffle; 45. Right discharge baffle; 46. Upper buffer grid; 47. First support member; 48. Second support member;

[0030] 5. Horizontal conveyor drive components;

[0031] 6. Horizontal conveying mechanism; 61. Driving rotary roller; 62. Driven rotary roller; 63. Horizontal conveyor belt; 64. Rotary roller connector; 641. Slide chute; 65. Guide rail component; 66. Buffer spring;

[0032] 7. Lifting conveyor mechanism; 71. Lifting drive roller; 72. Lifting driven roller; 73. Lifting conveyor belt;

[0033] 8. Lifting drive components;

[0034] 9. Tail-end receiving hopper;

[0035] 10. Hydraulic control assembly; 101. Lifting hydraulic component; 102. Buffer 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 Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1

[0038] See attached document Figures 1 to 7A truck unloading surface feeder includes: a frame 1, a tail connecting frame 2 fixedly connected to the rear end of the frame 1, a hydraulic control component 10 fixedly connected to the top of the tail connecting frame 2, a tire walking assembly 3 provided at the bottom of the frame 1, a receiving component 4 fixedly connected to the top of the frame 1, a horizontal conveying mechanism 6 provided at the bottom of the receiving component 4, the horizontal conveying mechanism 6 being fixed inside the frame 1, a horizontal conveying drive component 5 fixedly connected to the front end of the frame 1, the horizontal conveying drive component driving the horizontal conveying mechanism 6, a lifting conveying mechanism 7 hinged to the front end of the frame 1, a tail receiving hopper 9 hinged to the front end of the lifting conveying mechanism 7, a lifting drive component 8 fixedly connected to the right side of the front end of the lifting conveying mechanism 7, the lifting drive component 8 connecting to and driving 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 lifting hydraulic component 101 is hinged to the front end of the frame 1, and the lifting conveying mechanism 7 is hinged to the top of the lifting hydraulic component 101. The angle between the tail receiving hopper 9 and the lifting conveying mechanism 7 is adjustable. A traction component is fixedly connected to the rear end of the tail connecting frame 2, and hydraulic outrigger assemblies are fixedly connected to both sides of the rear end of the frame 1.

[0039] Referring to Figure 2, the horizontal conveying mechanism 6 includes an active rotating roller 61, a driven rotating roller 62, and a horizontal conveyor belt 63. The active rotating roller 61 is rotatably connected inside the frame 1. The active rotating roller 61 and the driven rotating roller 62 are connected through the horizontal conveyor belt 63. The rotating shaft of the horizontal conveying drive component 5 is fixedly connected to the front end of the support shaft of the active rotating roller 61. The two ends of the driven rotating roller 62 are fixedly connected to the roller connecting blocks 64. The upper and lower ends of the roller connecting blocks 64 are respectively provided with sliding grooves 641. The sliding grooves 641 are slidably connected to the guide rail component 65. The left end of the sliding groove 641 is fixedly connected to the buffer spring 66. The left end of the buffer spring 66 is fixedly connected to the longitudinal support rod of the frame 1.

[0040] Referring to Figure 3, a lifting active roller 71 is rotatably connected to the right end of the support of the lifting conveying mechanism 7, and a lifting driven roller 72 is rotatably connected to the left end of the support of the lifting conveying mechanism 7. A lifting conveyor belt 73 is installed on the lifting active roller 71 and the lifting driven roller 72. The rotating shaft of the lifting drive component 8 is fixedly connected to the front end of the rotating shaft of the lifting active roller 71.

[0041] During unloading on the right side, the invention is towed to the work site by a tractor. The hydraulic outriggers fixedly connected to both sides of the rear end of the frame 1 are adjusted to be firmly supported on the ground. The right unloading baffle 45 is rotated by the control component 104 through the control side hydraulic component 103 until the right unloading baffle 45 rotates to the step. The opening principle of the left unloading baffle 42 and the right unloading baffle 45 is the same, and will not be described again. 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, which is driven by the horizontal conveying drive component 5. The horizontal conveying mechanism 6 operates, conveying the material horizontally towards the front end of the frame 1. The material is then transferred to the lifting conveying mechanism 7, which is driven upwards by the lifting drive component 8. The material enters the tail receiving hopper 9 and is finally transported to the designated location, making it very convenient to transfer and transport materials. The unloading operation sequence on the left and right sides is the same, so it will not be described again. The unloading vehicle can flexibly choose to unload from the left or right side according to the work site. After unloading, the invention is towed to the next work site by a tractor, which is very convenient and fast.

[0042] Example 2

[0043] In actual use, it was found that excessive material discharge during unloading would cause the feeder to be subjected to excessive instantaneous impact force, which could easily damage the feeder and fail to meet the requirements for efficient material operation. Therefore, further improvements were made based on the above embodiments.

[0044] See attached document Figures 1 to 7The receiving assembly 4 includes a receiving baffle assembly 44, which includes a front receiving baffle 441, a rear receiving baffle 442, a left receiving baffle 443, and a right receiving baffle 444. The front receiving baffle 441 has a discharge port at its bottom and a front unloading baffle fixedly connected to its top. The rear receiving baffle 442 has a rear unloading baffle fixedly connected to its top. The left receiving baffle 443 has a left unloading baffle 42 rotatably connected to its top. The right receiving baffle 444 has a right unloading baffle 45 rotatably connected to its top. The bottom of both sides of the receiving baffle assembly 44 are respectively provided with… A receiving base plate 43 has a lower buffer grid 41 fixedly connected to its top. The top of the lower buffer grid 41 is connected to the bottom of an upper buffer grid 46 via multiple buffer pressure components 102. The upper buffer grid 46 is located inside the receiving baffle assembly 44 and is slidably connected to the receiving baffle assembly 44. A side hydraulic component 103 is hinged to the outer side of the left unloading baffle 42. A first support component 47 is hinged to the bottom of the side hydraulic component 103. The bottom of the first support component 47 is hinged to the left side of the frame 1, and the top of the first support component 47 is hinged to both sides. The second support member 48 is hinged at its top to the outside of the left discharge baffle 42. The right discharge baffle 45 is provided with a support mechanism symmetrical to the left discharge baffle 42, which will not be described in detail. The buffer hydraulic component 102 includes a first hydraulic cylinder 1021, in which a first piston 1023 is slidably connected. One end of the first piston 1023 is fixedly connected to a first piston rod 1022. The first hydraulic cylinder 1021 is filled with hydraulic oil. The side hydraulic component 103 includes a second hydraulic cylinder 1031, in which a second hydraulic cylinder 1031 is slidably connected to a first piston rod 1022. A second piston 1033 is connected, and a second piston rod 1032 is fixedly connected to one end of the second piston 1033. A first through hole 1024 is opened on the side wall of the first hydraulic cylinder 1021 near the lower buffer grid 41. A second through hole 1035 is provided at the end of the second hydraulic cylinder 1031 near the frame 1, and a third through hole 1034 is provided at the end away from the frame 1. The first through hole 1024 and the third through hole 1034 are connected by a pipeline. The control component 104 is equipped with a hydraulic pump and a pipeline reversing valve. The second through hole 1035 is connected to the reversing valve by a pipeline.

[0045] When unloading from the right side, the material discharge volume is relatively large. To prevent material from spilling out of the receiving assembly 4, the opening angle of the left unloading baffle 42 needs to be reduced. Therefore, the control component 104 injects hydraulic oil into the cavity of the second hydraulic cylinder 1031 through the second through hole 1035 via the pipeline. The hydraulic oil pushes the second piston 1033 to move, and the second piston 1033 pushes the second piston rod 1032 to slide outward of the second hydraulic cylinder 1031. The second piston rod 1032 pushes the left unloading baffle 42 to rotate upward, reducing its opening angle. At the same time, to prevent a large amount of material from impacting the horizontal conveying mechanism 6, the upper buffer grid 46 installed in the receiving assembly 4 provides the first buffer protection. If the grid holes of a single-layer grid are too large, they can only offset part of the impact force. If the holes are too small, they are prone to blockage. Therefore, the grid holes of the upper buffer grid 46 and the lower buffer grid 41 are staggered, and the lower buffer grid 41 provides the second buffer protection. To prevent blockage caused by the interlayer between the upper buffer grid 46 and the lower buffer grid 41, the upper buffer grid 46 and the lower buffer grid 41 are used. To increase the relative distance between the upper buffer grid 46 and the lower buffer grid 41, when the opening angle of the left discharge baffle decreases, the second piston 1033 pushes the hydraulic oil on one side of the second piston rod 1032 from the third through hole 1034 to the first through hole 1024 connected to its pipeline. The hydraulic oil pushes the first piston 1023 to move to one side of the first piston rod 1022. The first piston 1023 pushes the first piston rod 1022 to slide to the outside of the first hydraulic cylinder 1021. The first piston rod 1022 pushes the upper buffer grid 46 to move, thereby increasing the relative distance between the upper buffer grid 46 and the lower buffer grid 41. By adjusting the opening angle of the left discharge baffle 42 in conjunction with the relative distance between the upper buffer grid 46 and the lower buffer grid 41, it is possible to prevent material from spilling out of the receiving assembly 4, and at the same time, prevent material from being impacted and prevent material from accumulating and causing blockage, thus meeting the requirements for efficient material operation. The operation of discharging from the left side and discharging from the right side is the same and will not be described again.

[0046] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A truck unloading surface feeder comprising: The frame body (1) is characterized in that the rear end of the frame body (1) is fixedly connected with a tail connecting frame (2), the top of the tail connecting frame (2) is fixedly connected with a hydraulic control assembly (10), the bottom of the frame body (1) is provided with a tire walking assembly (3), the top of the frame body (1) is fixedly connected with a material collecting assembly (4), the bottom of the material collecting assembly (4) is provided with a horizontal conveying mechanism (6), the horizontal conveying mechanism (6) is fixed in the frame body (1), the front end of the frame body (1) is fixedly connected with a horizontal conveying drive (5), the horizontal conveying drive drives the horizontal conveying mechanism (6), the front end of the frame body (1) is hingedly connected with a lifting conveying mechanism (7), the front end of the lifting conveying mechanism (7) is hingedly connected with a tail material collecting hopper (9), the front end of the right side of the lifting conveying mechanism (7) is fixedly connected with a lifting drive (8), and the lifting drive (8) is connected and drives the lifting conveying mechanism (7); 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 in the first hydraulic cylinder (1021), one end of the first piston (1023) is fixedly connected with a first piston rod (1022), the side hydraulic component (103) comprises a second hydraulic cylinder (1031), a second piston (1033) is slidably connected in the second hydraulic cylinder (1031), and one end of the second piston (1033) is fixedly connected with a second piston rod (1032); The material collecting assembly (4) comprises a material collecting baffle assembly (44) and a left discharging baffle (42), the bottom of the material collecting baffle assembly (44) is provided with a material collecting bottom plate (43) on the left side and the right side, the top of the material collecting bottom plate (43) is fixedly connected with a lower buffer grid (41), the top of the lower buffer grid (41) is connected with the bottom of an upper buffer grid (46) through a plurality of buffer hydraulic components (102), the upper buffer grid (46) is arranged on the inner side of the material collecting baffle assembly (44), and the upper buffer grid (46) is slidably connected with the material collecting baffle assembly (44); The left discharging baffle (42) is hingedly connected with the side hydraulic component (103) on the outer side, the bottom end of the side hydraulic component (103) is hingedly connected with a first supporting component (47), the bottom of the first supporting component (47) is hingedly connected to the left side of the frame body (1), the top end of the first supporting component (47) is hingedly connected with a second supporting component (48) on the left side and the right side, the top end of the second supporting component (48) is hingedly connected to the outer side of the left discharging baffle (42), and the right discharging baffle (45) is provided with a supporting mechanism symmetrical to the left discharging baffle (42). The first hydraulic cylinder (1021) is provided with a first through hole (1024) near the lower buffer grid (41) on the side wall of one end, the second hydraulic cylinder (1031) is provided with a second through hole (1035) near one end of the frame (1), and a third through hole (1034) is arranged away from the frame (1), the first through hole (1024) and the third through hole (1034) are communicated through a pipeline, and the control member (104) is provided with a pipeline reversing valve, and the second through hole (1035) is communicated with the reversing valve through a pipeline; The control member (104) injects hydraulic oil from the second through hole (1035) into the cavity of the second hydraulic cylinder (1031) through a pipeline, the second piston (1033) pushes the second piston rod (1032) to slide to the outside of the second hydraulic cylinder (1031), and the second piston rod (1032) pushes the left discharge baffle (42) to rotate upwards to reduce the opening angle thereof; when the opening angle of the left discharge baffle is reduced, the hydraulic oil on the side of the second piston rod (1032) pushed by the second piston (1033) flows from the third through hole (1034) to the first through hole (1024) communicated with the pipeline, the hydraulic oil pushes the first piston (1023) to move to one side of the first piston rod (1022), the first piston (1023) pushes the first piston rod (1022) to slide to the outside of the first hydraulic cylinder (1021), and the first piston rod (1022) pushes the upper buffer grid (46) to move, so that the relative distance between the upper buffer grid (46) and the lower buffer grid (41) is increased.

2. A truck unloading surface feeder according to claim 1, characterized in that: 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 the bottom end, and a front discharge baffle is fixedly connected to the top end, the material receiving rear baffle (442) is fixedly connected with a rear discharge baffle at the top, the material receiving left baffle (443) is rotatably connected with the left discharge baffle (42) at the top end, and the material receiving right baffle (444) is rotatably connected with the right discharge baffle (45) at the top end.

3. A truck unloading surface feeder according to claim 1, characterized in that: The horizontal conveying mechanism (6) comprises a driving rotary roller (61), a driven rotary roller (62) and a horizontal conveying belt (63), the driving rotary roller (61) is rotatably connected in the frame (1), the driving rotary roller (61) is connected with the driven rotary roller (62) through the horizontal conveying belt (63), the rotating shaft of the horizontal conveying drive (5) is fixedly connected with the front end of the shaft of the driving rotary roller (61), and the two ends of the driven rotary roller (62) are fixedly connected with rotary roller connecting blocks (64).

4. A truck unloading surface feeder according to claim 1, characterized in that: The lifting conveying mechanism (7) is rotatably connected with a lifting driving roller (71) at the right end inside the bracket, and rotatably connected with a lifting driven roller (72) at the left end inside the bracket; the lifting driving roller (71) and the lifting driven roller (72) are provided with a lifting conveying belt (73); the rotating shaft of the lifting driving element (8) is fixedly connected with the front end of the rotating shaft of the lifting driving roller (71).

5. A truck unloading surface feeder according to claim 1, characterized in that: The rear end of the frame body (1) is fixedly connected with hydraulic leg assemblies on both sides; the front end of the frame body (1) is hingedly connected with the lifting hydraulic element (101); the top of the lifting hydraulic element (101) is hingedly connected with the lifting conveying mechanism (7).

6. A truck unloading surface feeder according to claim 1, characterized in that: The tail collecting hopper (9) and the lifting conveying mechanism (7) are adjustable in the included angle; the rear end of the tail connecting frame (2) is fixedly connected with a traction element.

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