Anti-sticking and unloading device of dump truck carriage, dump truck and application

Abstract

The application provides a self-unloading truck compartment anti-sticking and unloading device, a self-unloading truck and application, and relates to the technical field of cargo loading and unloading equipment. By arranging a traction member, when the self-unloading truck is tilted to unload, the compartment is lifted to drive the traction member to move, thereby driving the lateral scraping member and the bottom scraping member connected with the traction member to move synchronously, the material on the side wall surface of the compartment and the material on the bottom of the compartment are scraped off and unloaded outside the compartment. The structure can scrape off the material on the inner wall surface of the compartment, prevent the material from accumulating, ensure the transportation efficiency of the material and avoid the hidden trouble of the tilting of the compartment caused by the uneven adhesion of the material in the compartment.

Description

Technical Field

[0001] This invention relates to the field of cargo loading and unloading equipment technology, and more specifically, to an anti-sticking unloading device for a dump truck body, a dump truck, and its application. Background Technology

[0002] When dump trucks transport soil, minerals, and other materials, the stickiness of the materials causes some to remain adhered to the bottom and sides of the vehicle after dumping. With prolonged use, the amount of material adhering to the inner walls of the dump truck bed increases, leading to material loss, reduced transport capacity, and increased transportation costs. Furthermore, the uneven adhesion of material to the inner walls can cause the truck bed to tilt during unloading if the weight is uneven on both sides, creating a safety hazard. Currently, the main solution is to manually unload all the material, but this is time-consuming, labor-intensive, and inefficient.

[0003] In view of this, the present invention is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide an anti-sticking unloading device for a dump truck body, a dump truck, and its application, which can scrape out all the material at the bottom of the truck body, preventing material from sticking inside the truck body and causing material loss and truck body tipping.

[0005] The embodiments of the present invention are implemented as follows:

[0006] In a first aspect, the present invention provides an anti-sticking unloading device for a dump truck body, comprising a mounting base, a moving component, and a scraping component.

[0007] The mounting base includes two sets of correspondingly spaced tubular mounting bases. It can be understood that the two tubular mounting bases can be installed on the left and right sides of the bottom of the carriage, respectively, to facilitate the thorough scraping out of the adhesive material inside the carriage.

[0008] The motion component includes a traction element, which is housed within the cavity of a tubular mounting base.

[0009] The mounting base facilitates the installation of the anti-sticking unloading device. On the other hand, setting the mounting base as a tubular structure allows the traction component and other structures to be housed within the tube, preventing material accumulation that could cause the traction component to bear enormous force and fail to pull the scraping assembly.

[0010] The scraping assembly includes a housing and scraping components. There are at least two housings, with at least one housing fitted onto the outer surface of each tubular mounting base. The scraping components include a lateral scraper and a bottom scraper. The bottom scraper is connected to the traction component via the housing and connects the housings within the two mounting bases. Each housing is equipped with a lateral scraper, which extends beyond the outer surface of the mounting base. When the traction component pulls the housing, the housing drives the connected lateral and bottom scrapers to move synchronously. The lateral scrapers scrape material from the side walls of the carriage, while the bottom scrapers scrape material from the bottom of the carriage, preventing material from adhering to the inner walls of the carriage.

[0011] To achieve simultaneous unloading and scraping, reduce the driving force required for the scraping process, and save costs, the end of the traction component away from the housing is fixed to the dump truck so that the traction rope moves when the dump truck unloads, thereby causing the lateral scraping component and the bottom scraping component to scrape the material.

[0012] In an optional embodiment, a limiting member is also included. The limiting member is connected to the housing and is disposed at the end of the housing away from the traction member, for limiting the scraping assembly and preventing the scraping assembly from falling out of the carriage during movement.

[0013] Preferably, the limiting member includes an elastic member or a limiting block. The limiting block can directly limit the housing of the scraping assembly, but the limiting method between the scraping assembly and the limiting block may cause them to collide and generate vibration. The elastic member, as a limiting member, can not only limit the scraping assembly, but also buffer it to prevent the scraping assembly from colliding with the limiting member and generating vibration. Therefore, the limiting member is more preferably an elastic member.

[0014] Specifically, the elastic element can be a return spring.

[0015] Preferably, in order to prevent the limiting process of the elastic element from being affected by the material in the carriage, or to reduce the wear of the elastic element structure by the material, the limiting element is also installed in the inner cavity of the mounting base.

[0016] Preferably, a third fixing member for securing the elastic element is provided at the end of the mounting base away from the scraper assembly. For example, it can be a fixing pin or a fixing hook to fix the elastic element to the mounting base.

[0017] In an optional embodiment, the housing is provided with a first fixing member connected to the bottom scraper and a second fixing member connected to the traction member. The first and second fixing members can be, for example, fixing pins or fixing hooks, as long as they can fix the bottom scraper and the traction member. If necessary, a locking buckle can be used to assist in fixing to prevent slippage and affect the normal operation of the scraper assembly.

[0018] Preferably, the housing is further provided with a third fixing member connected to the elastic member. A third fixing member installed at the end of the mounting base and a third fixing member installed on the housing respectively fix the two ends of the elastic member, so that it can stably provide a buffering and limiting function, and the scraping assembly can be stably returned to its position by relying on the rebound force of the elastic member and the movement process of the dump truck body.

[0019] In an optional implementation, since the carriage is mostly a cuboid structure, in order to facilitate the installation and fixation of the anti-stick unloading device and ensure its installation stability, the tubular mounting base is L-shaped, and the shell is installed in the horizontal direction of the L-shaped structure. A sliding groove is also provided on the side of the tubular mounting base away from the limiting member in the horizontal direction. A slider is provided at the corresponding position of the shell, and the slider is accommodated in the sliding groove, so that the shell can slide on the surface of the mounting base to achieve material scraping.

[0020] Preferably, the chute is located on the horizontal pipe of the tubular mounting base, away from the vertical pipe, to prevent material accumulation and thus avoid affecting the sliding of the scraper assembly on the mounting base.

[0021] In an optional embodiment, both the traction component and the bottom scraper are rope structures. The ropes offer superior traction, and for ease of use, the friction of the ropes against the bottom of the carriage also effectively scrapes away material.

[0022] Preferably, the rope structure is a steel wire rope. In other embodiments, other structures capable of traction may also be used.

[0023] Preferably, the traction component and the bottom scraper component are a single rope, which facilitates the connection of the entire anti-sticking unloading device and gives it better structural stability.

[0024] In an optional embodiment, in order to improve the traction efficiency of the traction member and extend its service life, the motion component also includes an auxiliary member, which is a pulley. At least one pulley is disposed in a tubular mounting base and can selectively slide in contact with the traction member to assist in driving the scraping component to move.

[0025] Preferably, the number of pulleys in each tubular mounting base is 1 to 5. For example, it can be 1, 2, 3, 4 or 5.

[0026] Preferably, a sliding element is provided at each turn of the traction component to assist in forming the motion trajectory of the traction component.

[0027] In an optional embodiment, the housings mounted on the two sets of correspondingly spaced tubular mounting bases are paired, and the bottom scraper connecting the two corresponding housings is perpendicular to the tubular mounting base. That is, the bottom scraper is parallel to one side of the carriage.

[0028] Preferably, there are two housings, each installed in one of two tubular mounting bases. In other embodiments, to enhance the material scraping effect, multiple housings and scraping components mounted on them can be provided, with the multiple housings connected in series on the tubular mounting base.

[0029] Secondly, the present invention provides a dump truck, including an anti-sticking unloading device for the dump truck body as described in any of the foregoing embodiments, wherein the mounting base is fixedly connected to the bottom of the truck body.

[0030] In an optional embodiment, the horizontal pipe of the L-shaped tubular mounting base is fixedly connected to the bottom of the carriage, and the vertical pipe is fixedly connected to the side wall of the carriage in the direction of the front of the vehicle.

[0031] Thirdly, the present invention provides an anti-sticking unloading device for a dump truck body as described in any of the foregoing embodiments, or the application of a dump truck as described in the foregoing embodiments in the field of cargo loading and unloading.

[0032] The beneficial effects of the embodiments of the present invention are:

[0033] This invention provides an anti-sticking unloading device for a dump truck body, a dump truck, and its application. By incorporating a traction component, when the dump truck tilts to unload, the rising of the truck body causes the traction component to move, thereby simultaneously moving the lateral and bottom scraping components connected to the traction component. This scrapes off material from the side walls and bottom of the truck body and unloads it outside the truck body. This structure effectively scrapes off material from the inner walls of the truck body, preventing material accumulation, ensuring efficient material transport, and avoiding the risk of the truck body tipping over due to uneven material adhesion inside the truck body. Attached Figure Description

[0034] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the anti-sticking unloading device provided in the first embodiment of the present invention;

[0036] Figure 2 This is a schematic diagram of the anti-sticking unloading device provided in the first embodiment of the present invention;

[0037] Figure 3 This is a schematic diagram of the scraping assembly provided in the first embodiment of the present invention;

[0038] Figure 4 This is a cross-sectional view of the scraping assembly provided in the first embodiment of the present invention.

[0039] Icons: 100-Anti-stick unloading device; 110-Mounting base; 111-Slide groove; 121-Traction component; 122-First pulley; 123-Second pulley; 124-Third pulley; 130-Scraping assembly; 131-Housing; 132-Side scraping component; 133-Bottom scraping component; 141-Elastic component; 151-Third fixing component; 152-First fixing component; 153-Second fixing component; 200-Carriage; 210-Main beam. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0041] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0042] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0043] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0044] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0045] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0046] First Embodiment

[0047] Please refer to Figure 1 and Figure 2 This embodiment provides an anti-sticking unloading device 100 for a dump truck body 200, which includes a mounting base 110, a motion component, and a scraping component 130.

[0048] Mounting base 110 includes two sets of correspondingly spaced tubular mounting bases 110. Since the carriage 200 is mostly a cuboid structure, in order to facilitate the installation and fixation of the anti-stick unloading device 100 and ensure its installation stability, the tubular mounting base 110 has an L-shaped structure. The vertical pipe of the L-shaped structure is used to fix it to the side wall of the carriage 200 near the front of the carriage, and the horizontal pipe is used to fix it to the bottom surface of the carriage 200. The fixing method is welding to ensure its stable operation.

[0049] Furthermore, two tubular mounting bases 110 are respectively installed on the left and right sides of the bottom of the carriage 200 to facilitate the thorough scraping out of the adhesive material inside the carriage 200.

[0050] The motion assembly includes a traction member 121, which is housed within the cavity of the tubular mounting base 110.

[0051] In this embodiment, the traction component 121 is a steel wire rope.

[0052] The mounting base 110 facilitates the installation of the anti-sticking unloading device 100. On the other hand, by setting the mounting base 110 as a tubular structure, the structure such as the traction member 121 can be accommodated in the tube cavity, preventing the traction member 121 from being subjected to huge forces and unable to pull the scraping assembly 130 due to material accumulation.

[0053] The scraper assembly 130 includes a housing 131 and a scraper component. There are two housings 131, which are respectively fitted onto the outer surfaces of two tubular mounting seats 110 on the left and right sides. The two tubular mounting seats 110 have openings for accommodating the housings 131.

[0054] The scraping component includes a side scraper 132, i.e., a scraper, and a bottom scraper 133. The bottom scraper 133 is connected to the traction component 121 through the housing 131, and the bottom scraper 133 is used to connect the housing 131 inside the two mounting bases 110.

[0055] Each housing 131 is equipped with a lateral scraper 132, which extends out of the outer surface of the mounting base 110. When the traction member 121 pulls the housing 131, the housing 131 drives the lateral scraper 132 and the bottom scraper 133 connected to it to move synchronously. The lateral scraper 132 scrapes the material on the side wall of the carriage 200, and the bottom scraper 133 scrapes the material on the bottom of the carriage 200, so as to prevent the material from adhering to the inner wall of the carriage 200.

[0056] In order to achieve simultaneous unloading and scraping, reduce the driving force of the scraping process, and save costs, the end of the traction component 121 away from the housing 131 is fixed to the dump truck so that the traction rope moves when the dump truck unloads, so that the side scraping component 132 and the bottom scraping component 133 scrape the material.

[0057] In this embodiment, the end of the traction member 121 away from the housing 131 is used to fix it to the main beam 210 of the dump truck.

[0058] In this embodiment, a limiting member is also included. The limiting member is connected to the housing 131 and is disposed at the end of the housing 131 away from the traction member 121. It is used to limit the scraping assembly 130 and prevent the scraping assembly 130 from falling out of the carriage 200 during movement.

[0059] Specifically, the limiting member is an elastic member 141, which is a return spring in this embodiment. It can not only limit the scraper assembly 130, but also buffer it to prevent the scraper assembly 130 from colliding with the limiting member and causing vibration.

[0060] To prevent the limiting process of the elastic element 141 from being affected by the materials inside the carriage 200, or to reduce the wear and tear on the elastic element 141 structure caused by the materials, the limiting element is also installed in the inner cavity of the mounting base 110.

[0061] Please refer to the following: Figure 3 and Figure 4 The mounting base 110 is provided with a third fixing member 151 for fixing the elastic member 141 at the end away from the scraper assembly 130. Specifically, it is a fixing hook for fixing the elastic member 141 to the mounting base 110.

[0062] In addition, the housing 131 is also provided with a third fixing member 151 connected to the elastic member 141, for positioning the opposite end of the elastic member 141. By fixing both ends of the elastic member 141 respectively, it can stably provide a buffering and limiting function, and the scraping assembly 130 can be stably returned to its position by the rebound force of the elastic member 141 and the movement process of the dump truck body 200.

[0063] In this embodiment, the housing 131 is provided with a first fixing member 152 connected to the bottom scraper 133 and a second fixing member 153 connected to the traction member 121. Both the first fixing member 152 and the second fixing member 153 are fixing pins. If necessary, a locking buckle can be used for auxiliary fixing to prevent them from slipping and affecting the normal operation of the scraper assembly 130.

[0064] In this embodiment, in order to make the sliding process of the scraping assembly 130 more convenient, the housing 131 is installed in the horizontal direction of the L-shaped structure, and the tubular mounting base 110 is also provided with a sliding groove 111 on the side away from the limiting member in the horizontal direction. The housing 131 is provided with a slider at the corresponding position, and the slider is accommodated in the sliding groove 111, so that the housing 131 can slide on the surface of the mounting base 110 to achieve material scraping.

[0065] The chute 111 is located on the horizontal pipe of the tubular mounting base 110, away from the vertical pipe, to prevent material accumulation and affect the sliding of the scraper assembly 130 on the mounting base 110.

[0066] In this embodiment, the bottom scraper 133 and the traction member 121 are a single steel wire rope. The steel wire rope passes through a tubular mounting base 110, turns at the housing 131 on the tubular mounting base 110, and extends to the housing 131 of another tubular mounting base 110, so that the steel wire rope between the two tubular mounting bases 110 is used as the bottom scraper 133, while the steel wire rope continues to extend within the other tubular mounting base 110, so that its portion within the tubular mounting base 110 serves as the traction member 121, tractioning the scraper assembly 130 to move as a whole.

[0067] Furthermore, in order to improve the traction efficiency of the traction component 121 and extend its service life, the motion component also includes an auxiliary component, which is a pulley.

[0068] In this embodiment, there are six pulleys that can selectively slide in contact with the traction member 121 to assist in driving the scraper assembly 130. The six pulleys are distributed on the left and right sides of the carriage 200, three on each side. The first pulley 122 is located at the L-angle of the tubular mounting base 110 of the L-shaped structure. The second pulley 123 is located at the top vertical direction of the L-shaped structure. The third pulley 124 is located at the edge of the top of the carriage 200, and the line connecting it to the second pulley 123 is parallel to the horizontal direction of the L-shaped structure. Therefore, the path of the steel wire rope of the traction member 121 is from the front of the carriage, upwards through the beam 210 in contact with the outer surface of the bottom of the carriage 200, passing through the third pulley 124, the second pulley 123, and the first pulley 122 at the L-angle, before connecting to the scraper assembly 130. When the dump truck starts unloading, the truck bed 200 in the front direction moves upward, the length of the wire rope between the main beam 210 and the third pulley 124 increases, causing the wire rope to move towards the front of the truck, which in turn drives the scraping unit to move towards the front of the truck, thus scraping the material.

[0069] In this embodiment, the housings 131 installed on the two sets of correspondingly spaced tubular mounting bases 110 are paired, and the bottom scraper 133 connecting the two corresponding housings 131 is perpendicular to the tubular mounting base 110. That is, the bottom scraper 133 is parallel to the width direction of the carriage 200.

[0070] This embodiment provides an anti-sticking unloading device 100 for a dump truck body 200, the working principle of which is as follows:

[0071] As the dump truck begins unloading, the truck body 200 rises towards the front of the truck, causing the traction rope to stretch. The traction rope then moves the scraper assembly 130 along the chute 111 towards the front of the truck. The lateral scraper 132 scrapes the material from the side walls of the truck body 200, while the bottom scraper 133 (i.e., the wire rope) scrapes the material from the bottom of the truck body 200. The elastic element 141 is stretched along the mounting base 110. After unloading is completed, the truck body 200 falls towards the front of the truck. The elastic element 141 has the ability to rebound, causing the scraper assembly 130 to move along the chute 111 towards the rear of the truck until the scraper assembly 130 returns to its original position, completing the unloading process.

[0072] By incorporating a traction component 121, when the dump truck tilts to unload, the rising of the truck bed 200 causes the traction component 121 to move, which in turn drives the lateral scraper component 132 and the bottom scraper component 133 connected to the traction component 121 to move synchronously. This scrapes off the material from the side walls and bottom of the truck bed 200 and unloads it outside the truck bed 200. This structure can scrape off the material from the inner walls of the truck bed 200, preventing material accumulation, ensuring efficient material transportation, and avoiding the risk of the truck bed 200 tipping over due to uneven material adhesion inside the truck bed 200.

[0073] Second Embodiment

[0074] Please refer to Figure 2 This embodiment provides a dump truck, which includes an anti-sticking unloading device 100 for the dump truck body 200 of the first embodiment, and a mounting base 110 fixedly connected to the bottom of the body 200.

[0075] Specifically, the horizontal pipe of the L-shaped tubular mounting base 110 is fixedly connected to the bottom of the carriage 200, and the vertical pipe is fixedly connected to the side wall of the carriage 200 in the front direction.

[0076] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A device for preventing material from sticking to the body of a dump truck, characterized in that, Includes mounting base, motion components, and scraping components; The mounting base includes two sets of correspondingly spaced tubular mounting bases. The tubular mounting bases have an L-shaped structure. The vertical pipe of the L-shaped structure is used to fix the side wall of the carriage near the front of the carriage, and the horizontal pipe is used to fix the bottom of the carriage. The two sets of tubular mounting bases are respectively installed on the left and right sides of the bottom of the carriage. The motion component includes a traction member, which is housed within the cavity of the tubular mounting base; The scraping assembly includes a housing and scraping components. There are at least two housings, and at least one housing is fitted onto the outer surface of each tubular mounting base. The scraping components include a lateral scraping component and a bottom scraping component. The bottom scraping component is connected to the traction component through the housing and is used to connect the housings in the two mounting bases. The lateral scraping component is installed on each housing and extends out of the outer surface of the mounting base. It also includes a limiting member, which is an elastic member. The elastic member is connected to the housing and is disposed at the end of the housing away from the traction member. The elastic member is installed in the inner cavity of the mounting base. The housing is installed in the horizontal direction of the L-shaped structure. The tubular mounting base is also provided with a sliding groove on the side of the horizontal direction away from the elastic element. A slider is provided at the corresponding position of the housing, and the slider is accommodated in the sliding groove. The end of the traction member away from the housing is used to fix it to the dump truck so that when the dump truck unloads, it drives the traction rope to move, causing the side scraper and bottom scraper to scrape the material. When the truck body rises towards the front of the truck, it causes the traction member to stretch. The traction member drives the scraper assembly to move along the chute towards the front of the truck. The side scraper scrapes the material on the side wall of the truck body, and the bottom scraper scrapes the material at the bottom of the truck body. The elastic member is stretched along the mounting seat. When the unloading is completed, the truck body falls towards the front of the truck body. The elastic member has the ability to rebound, causing the scraper assembly to move along the chute towards the rear of the truck body until the scraper assembly returns to its position, completing the unloading.

2. The anti-sticking unloading device for the dump truck body according to claim 1, characterized in that, The mounting base is provided with a third fixing member for fixing the elastic element at the end away from the scraper assembly.

3. The anti-sticking unloading device for the dump truck body according to claim 2, characterized in that, The housing is provided with a first fixing member connected to the bottom scraper and a second fixing member connected to the traction member.

4. The anti-sticking unloading device for the dump truck body according to claim 3, characterized in that, The housing is also provided with a third fixing member that is connected to the elastic member.

5. The anti-sticking unloading device for the dump truck body according to claim 2, characterized in that, The groove is located on the horizontal pipe of the tubular mounting base, away from the lower side of the vertical pipe.

6. The anti-sticking unloading device for the dump truck body according to claim 1, characterized in that, Both the traction component and the bottom scraper are rope structures; The rope structure is a steel wire rope; The traction component and the bottom scraper are a single rope.

7. The anti-sticking unloading device for the dump truck body according to claim 6, characterized in that, The motion component also includes an auxiliary component, which is a pulley. At least one of the pulleys is disposed in the tubular mounting base and can selectively slide in contact with the traction component to assist in driving the scraping component to move.

8. The anti-sticking unloading device for the dump truck body according to claim 7, characterized in that, The number of pulleys in each tubular mounting base is 1 to 5.

9. The anti-sticking unloading device for the dump truck body according to claim 6, characterized in that, The housings are installed on two sets of correspondingly spaced tubular mounting bases, and the bottom scraper connecting the two corresponding housings is perpendicular to the tubular mounting base.

10. The anti-sticking unloading device for the dump truck body according to claim 9, characterized in that, There are two housings, each installed in one of the two tubular mounting bases.

11. A dump truck, characterized in that, The device includes an anti-sticking unloading device for a dump truck body as described in any one of claims 1 to 10, wherein the mounting base is fixedly connected to the bottom of the truck body.

12. The dump truck according to claim 11, characterized in that, The horizontal pipe of the L-shaped tubular mounting base is fixedly connected to the bottom of the truck body, and the vertical pipe is fixedly connected to the side wall of the truck body in the direction of the dump truck head.

13. An anti-sticking unloading device for a dump truck body as described in any one of claims 1 to 10, or the application of a dump truck as described in claim 11 or 12 in the field of cargo loading and unloading.

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