CN116552358B - Dump truck and container thereof - Google Patents

Abstract

The present disclosure provides a dump truck and a cargo box thereof. The container comprises: a case; the baffle is arranged at the rear end of the box body in an openable and closable manner; the movable part is movably arranged on the box body, and is used for responding to the opening and closing actions of the baffle plate to move between a first limit position and a second limit position, the baffle plate is opened at the first limit position, the rear end of the movable part is positioned outside the rear side edge of the box body, the baffle plate is closed at the second limit position, and the rear end of the movable part is abutted against the baffle plate; and a knocking part movably mounted on the moving part, the knocking part having a knocking end which moves between a third pole limit position far from the case and a fourth pole limit position abutting on the case in response to movement of the moving part. The dump truck comprises a truck body and the container, wherein the front end of the container is arranged in a lifting manner relative to the truck body, and the opening and closing action of the baffle responds to the lifting action of the front end of the container. The dump truck and the container thereof provided by the disclosure can sufficiently clean sediment in the container.

Description

Dump truck and container thereof

Technical Field

The disclosure relates to the field of engineering machinery, in particular to a dump truck and a container thereof.

Background

When the mining dump truck is used for transporting materials such as ore soil gravels, the materials are deposited at the bottom of the container due to soil viscosity, and the materials cannot be completely discharged when the container is lifted, so that the transportation efficiency is reduced. Therefore, when unloading, a mining dump truck driver usually controls the container to fall back quickly, so that the rear plate of the container impacts the container body to vibrate, and sediment in the container is cleaned. However, the above-described manner is difficult to adequately clean the deposit in the cargo box and, due to the large mass of the cargo box back plate of the mining dump truck, the back plate may cause some damage to the cargo box and the body parts when impacting the box body.

Disclosure of Invention

The application aims to provide a dump truck and a container thereof, so as to fully clean sediment in the container.

A first aspect of the present disclosure provides a cargo box of a dump truck, comprising:

a case;

the baffle is arranged at the rear end of the box body in an openable and closable manner;

the movable part is movably arranged on the box body and responds to the opening and closing action of the baffle plate to move between a first limit position and a second limit position, the baffle plate is opened at the first limit position, the rear end of the movable part is positioned outside the rear side edge of the box body, the baffle plate is closed at the second limit position, and the rear end of the movable part is abutted against the baffle plate; and a knocking part movably mounted on the moving part, the knocking part having a knocking end which moves between a third pole-limiting position away from the case and a fourth pole-limiting position abutting on the case in response to movement of the moving part.

According to some embodiments of the disclosure, the striking member is pivotally connected to the moving member such that the striking end can be rotated between the third extreme position and the fourth extreme position toward or away from the case.

According to some embodiments of the disclosure, the driving member is further comprised of a driving member through which the moving member is in driving connection with the striking member.

According to some embodiments of the disclosure, the transmission member includes an energy storage member disposed between the moving member and the striking member and configured to provide energy to the striking end for striking the case, the energy storage member storing energy in a state in which the moving member moves from the second limit position to the first limit position, the energy storage member releasing energy in a state in which the moving member moves from the first limit position to the second limit position.

According to some embodiments of the present disclosure, the striking member is pivotally connected to the moving member, the energy storage member includes a torsion spring, a first end and a second end of which are coupled with the moving member and the striking member, respectively, to convert an action of the moving member into an action of the striking member, the torsion spring enabling the striking end to store energy in a state of moving from the fourth limit position to the third limit position and release energy in a state of moving from the third limit position to the fourth limit position.

According to some embodiments of the disclosure, the torsion spring further comprises a thrust component, wherein the thrust component is arranged on the moving component and provided with an inclined plane, the inclined plane is arranged at an included angle with the moving direction of the moving component, and the first end of the torsion spring is abutted against the inclined plane.

According to some embodiments of the present disclosure, the movable member is configured to move from the first limit position to the second limit position, and the movable member is configured to move from the first limit position to the second limit position.

According to some embodiments of the disclosure, the first support is disposed on the case, the thrust member is disposed on the moving member, and the buffer member includes a pressure spring mounted between the first support and the thrust member located behind the first support.

According to some embodiments of the present disclosure, the system further comprises a limiting member configured to: in the first limit position, the rearward displacement of the moving member is limited, and/or in the second limit position, the forward displacement of the moving member is limited.

According to some embodiments of the disclosure, the first support is disposed on the case, and in the first limit position, a rear side surface of the limiting member abuts against a front side surface of the first support to limit rearward displacement of the moving member.

According to some embodiments of the disclosure, the striking member is located at a bottom surface of the case.

According to some embodiments of the disclosure, the knocking device includes two sets of the knocking members provided at both sides of the moving member in a left-right direction of the case.

According to some embodiments of the disclosure, each set of the tapping members includes at least two of the tapping members arranged in a front-rear direction of the case.

According to some embodiments of the disclosure, in a state in which the moving member moves from the first limit position to the second limit position, the moving member is driven by the shutter, and in a state in which the moving member moves from the second limit position to the first limit position, the shutter is retracted from the moving member.

Based on the packing box of the dump truck provided by the disclosure, after the material is unloaded, the front end of the box body descends relative to the truck body, the baffle can be repeatedly opened and closed under the action of gravity, the moving part can move between the first limit position and the second limit position, the knocking part moves between the third limit position and the fourth limit position along with the movement of the moving part, the knocking part can move from a state far away from the box body to a state close to the box body, knocking of the box body is realized, and the box body vibrates, so that the effect of cleaning sediment in the box body is achieved. And the moving part can partially move out of the outline of the box body, so that the times of the baffle plate directly impacting the box body in the closing process of the baffle plate are reduced, and the impact damage of the baffle plate to the box body is reduced.

A second aspect of the present disclosure provides a dump truck comprising a truck body and the cargo box of the first aspect of the present disclosure, wherein a front end of the truck body is disposed liftably with respect to the truck body, and the opening and closing movement of the barrier is responsive to the lifting movement of the front end of the truck body.

The dump truck provided by the disclosure has the advantages of the container provided by the embodiment of the disclosure.

Other features of the present disclosure and its advantages will become apparent from the following detailed description of exemplary embodiments of the disclosure, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the present disclosure, and together with the description serve to explain the present disclosure.

Fig. 1 is a schematic structural view of a cargo box of a dump truck according to some embodiments of the present application.

Fig. 2 is a schematic structural view of the moving assembly shown in fig. 1.

FIG. 3 is a schematic view of the tapping assembly shown in FIG. 1.

Fig. 4 is a schematic view of the cargo box of fig. 1 in a first extreme position.

Fig. 5 is a schematic view of the cargo box of fig. 1 in a second extreme position.

Fig. 6 is an enlarged schematic view of the cargo box of fig. 1 at a.

Fig. 7 is an enlarged schematic view of the cargo box shown in fig. 5 at B.

In fig. 1 to 7, each reference numeral represents:

1. a case; 2. a baffle; 3. a moving assembly; 31. a limiting member; 32. a first support; 33. a thrust member; 331. an inclined plane; 34. a buffer member; 35. a moving member; 4. a striking assembly; 41. a second support; 42. a striking member; 421. a knocking end; 43. a rotating shaft; 44. an energy storage member; s1, a first end of a torsion spring; s2, a second end of the torsion spring.

Detailed Description

The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present disclosure, it should be understood that the use of terms such as "first," "second," etc. for defining components is merely for convenience in distinguishing corresponding components, and the terms are not meant to be construed as limiting the scope of the present disclosure unless otherwise indicated.

In the description of the present disclosure, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present disclosure and to simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be configured and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present disclosure; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Embodiments of the present disclosure provide a dump truck and a container thereof.

Referring to fig. 1 to 7, the cargo box provided by the embodiment of the present disclosure includes a box body 1, a baffle 2, a moving member 35, and a knocking member 42.

The baffle plate 2 is arranged at the rear end of the box body 1 in an openable and closable manner. The moving member 35 is movably provided on the casing 1, and the moving member 35 moves between a first limit position and a second limit position in response to the opening and closing action of the shutter 2. In the first limit position, the shutter 2 opens the casing 1, the rear end of the moving member 35 is located outside the rear side edge of the casing 1, and in the second limit position, the shutter 2 closes the casing 1, the rear end of the moving member 35 abuts against the shutter 2. The striking member 42 is movably mounted on the moving member 35, the striking member 42 having a striking end 421, the striking end 421 being movable between a third pole-limiting position away from the case 1 and a fourth pole-limiting position abutting on the case 1 in response to movement of the moving member 35.

The baffle 2 can be opened or closed under the action of gravity by means of the posture change of the container or by means of a driving device so as to open or close the container body 1. Likewise, the moving member 35 may be moved between the first limit position and the second limit position by gravity or by the driving means. The motion of the shutter 2 and the moving member 35 may be synchronized or unsynchronized, and the motion of the moving member 35 and the striking end 421 may be synchronized or unsynchronized.

In the description of the present disclosure, the term "front" refers to a side on which a cargo box can be raised with respect to a body of a dump truck, the term "rear" refers to a side opposite to the term "front", i.e., a side on which the cargo box unloads cargo, and the terms "left" and "right" refer to left and right directions formed when facing the front.

The dump truck provided by the embodiment of the disclosure comprises a truck body and a container provided by the embodiment of the disclosure. The front end of the case 1 is provided to be liftable with respect to the vehicle body, and the opening and closing operation of the shutter 2 is responsive to the lifting operation of the front end of the case 1.

Referring to fig. 1, 4 and 5, in some embodiments, the baffle 2 is hinged to the rear end of the case 1, and the hinge shaft is located at the top of the case 1 and is a horizontal axis. When the front end of the case 1 is lifted up with respect to the vehicle body, the barrier 2 can be opened from the bottom of the case 1 by the action of gravity to open the case 1, and correspondingly, when the front end of the case 1 is lowered down with respect to the vehicle body, the barrier 2 is closed by the action of gravity to close the case 1. In some embodiments, not shown, the hinge axis of the baffle 2 may also be located at the side of the box 1 or elsewhere.

Based on the packing box of the dump truck provided by the embodiment of the disclosure, after unloading materials, the front end of the box body 1 descends relative to the truck body, the baffle 2 can be repeatedly opened and closed under the action of gravity, the moving part 35 can move between the first limit position and the second limit position, the knocking part 42 moves between the third limit position and the fourth limit position along with the movement of the moving part 35, the knocking part 42 can move from a state far away from the box body 1 to a state close to the box body 1, knocking of the box body 1 is realized, and the box body 1 vibrates, so that the effect of cleaning sediment in the box body 1 is achieved. In addition, the moving part 35 can partially move out of the outline of the box body 1, so that the number of times that the baffle 2 directly impacts the box body 1 in the closing process of the baffle 2 is reduced, and impact damage of the baffle 2 to the box body 1 is reduced.

The dump truck provided by the embodiment of the disclosure has the advantages of the container provided by the embodiment of the disclosure.

Considering that the bottom of the container is prone to depositing material, referring to fig. 1, 4 and 5, in some embodiments, the tapping member 42 is located at the bottom surface of the container 1.

Of course, in order to clean the other parts of the container of material that may be deposited, in some embodiments not shown, the striking member 42 may be provided on the side or top surface of the container 1.

In some embodiments, the cargo box includes two sets of tapping members 42 provided on both sides of the moving member 35 in the left-right direction of the box body 1.

In some embodiments, each set of rapping members 42 includes at least two rapping members 42 arranged in the front-rear direction of the case 1.

Referring to fig. 1, each set of striking members 42 includes three striking members 42 arranged in the front-rear direction of the case 1. Depending on the size of the tank 1 and the need to clean up deposits, more or fewer rapping members 42 may be provided in each set of rapping members 42.

In some embodiments, the shutter 2 is driven by the shutter 2 in a state in which the moving member 35 moves from the first limit position to the second limit position, and the shutter 2 is retracted from the moving member 35 in a state in which the moving member 35 moves from the second limit position to the first limit position.

For example, referring to fig. 4 and 5, when the front end of the case 1 is raised with respect to the vehicle body, the barrier 2 is opened by gravity, the moving member 35 is moved from the second limit position to the first limit position by gravity, and the barrier 2 is retracted from the moving member 35 so that the rear end of the moving member 35 can be located beyond the rear side edge of the case 1; when the front end of the box body 1 descends relative to the car body, the baffle plate 2 falls back under the action of gravity, the baffle plate 2 can convert potential energy into kinetic energy of the moving part 35 through striking the moving part 35, and impact on the box body 1 is reduced.

In some embodiments, the tapping member 42 is pivotally connected to the moving member 35 to enable the tapping end 421 to rotate between a third extreme position and a fourth extreme position toward or away from the housing 1.

Referring to fig. 1 to 3 and 6, the cargo box further includes a rotation shaft 43 and a second support 41, the second support 41 is provided on the box body 1, both ends of the rotation shaft 43 are respectively mounted on the second support 41 and the knocking member 42, and the knocking member 42 is pivotally connected with the moving member 35 through the rotation shaft 43.

In order to convert the kinetic energy of the moving part 35 into the kinetic energy of the striking part 42 striking the container 1, the container in some embodiments further comprises a transmission part, through which the moving part 35 is in driving connection with the striking part 42.

In some embodiments, the transmission member includes an energy storage member 44, the energy storage member 44 being disposed between the moving member 35 and the striking member 42 and configured to provide energy to the striking end 421 to strike the tank 1, the energy storage member 44 storing energy in a state in which the moving member 35 moves from the second limit position to the first limit position, and the energy storage member 44 releasing energy in a state in which the moving member 35 moves from the first limit position to the second limit position.

By arranging the energy storage component 44, the knocking component 42 can store energy required by knocking the box body 1 under the drive of the moving component 35, so that the knocking force of the knocking component 42 is improved, and the effect of cleaning sediment is improved. The energy storage member 44 may be a compression spring, a torsion spring, a gas spring, a rubber member, or the like.

In some embodiments, the striking member 42 is pivotally connected to the moving member 35, and the energy storage member 44 includes a torsion spring having a first end S1 and a second end S2 coupled with the moving member 35 and the striking member 42, respectively, to convert the motion of the moving member 35 into the motion of the striking member 42, the torsion spring enabling the striking end 421 to store energy in a state of moving from the fourth limit position to the third limit position and release energy in a state of moving from the third limit position to the fourth limit position.

The first end S1 of the torsion spring may rest against the moving member 35 or against a member that is movable with the moving member 35, or be fixedly attached to the moving member 35, or take other forms of attachment or mounting that enable the torsion spring to store a force. The second end S2 of the torsion spring may rest against the striking member 42 or against a member that moves with the striking member 42, or be fixedly attached to the striking member 42, or take other forms of attachment or mounting that enable the torsion spring to hold a load. For example, referring to fig. 1-3 and 6, the cargo box further includes a thrust member 33 disposed on the moving member 35, the first end S1 of the torsion spring abutting against the thrust member 33, and the second end S2 of the torsion spring abutting against the knocking member 42.

Referring to fig. 2 and 6, in some embodiments, the cargo box further includes a thrust member 33, wherein the thrust member 33 is disposed on the moving member 35 and has a slope 331, and the slope 331 is disposed at an angle to the moving direction of the moving member 35, and the first end S1 of the torsion spring abuts against the slope 331.

By providing the inclined surface 331 on the thrust member 33 and making the first end S1 of the torsion spring abut against the inclined surface 331, the torsion spring can be prevented from being stuck during the movement of the moving member 35, and the movement reliability of the striking member 42 can be improved.

Referring to fig. 2, in some embodiments, the cargo box further includes a cushioning member 34, the cushioning member 34 being configured to provide a rearward force to the moving member 35 in a state in which the moving member 35 moves from the first limit position to the second limit position.

When the baffle plate 2 impacts the box body 1, the moving part moves towards the second limit position, the buffer part 34 can absorb potential energy of the baffle plate 2, and the risk that the baffle plate 2 directly impacts the box body 1 to cause damage to the box body 1 is reduced; it is also possible to reduce the risk of excessive damage to the striking member 42 or the transmission member between the moving member 35 and the striking member 42 caused by the moving speed of the moving member 35 being too fast. The buffer member 34 may be a compression spring, a torsion spring, a gas spring, a rubber member, or the like.

In some embodiments, the cargo box further comprises a first support 32 and a thrust member 33, the first support 32 being provided on the box 1, the thrust member 33 being provided on the moving member 35, the cushioning member 34 comprising a pressure spring mounted between the first support 32 and the thrust member 33 located behind the first support 32.

Referring to fig. 2, the moving member 35 has a rod shape, a plurality of first holders 32 are arranged in the front-rear direction of the case 1, a plurality of thrust members 33 are provided corresponding to the plurality of first holders 32, and a compression spring as a buffer member 34 is fitted over the moving member 35 and is located between one of the first holders 32 and the corresponding thrust member 33. In order to enhance the cushioning effect, further pressure springs or other forms of cushioning members 34 may be provided.

In some embodiments, the cargo box further comprises a stop member 31, the stop member 31 configured to: in the first limit position, the rearward displacement of the moving member 35 is restricted, and/or in the second limit position, the forward displacement of the moving member 35 is restricted.

The limiting member 31 can appropriately limit the length of the moving member 35 beyond the edge of the case 1 by limiting the moving range of the moving member 35, thereby reducing the risk of the moving member 35 receiving an excessive impact.

Referring to fig. 2, in some embodiments, the cargo box further includes a first support 32, the first support 32 being disposed on the box body 1, and in the first limit position, a rear side surface of the limiting member 31 abuts against a front side surface of the first support 32 to limit rearward displacement of the moving member 35.

Referring to fig. 1 and 2, in some embodiments, the thrust member 33 may also serve a similar limiting function as the limiting member 31.

The structure and operation of the dump truck and its cargo box according to some embodiments of the present disclosure are further described below with reference to the accompanying drawings.

The dump truck comprises a truck body and a container. The container comprises a container body 1, a baffle 2, a moving assembly 3 and a knocking assembly 4. The front end of the case 1 is provided to be liftable and lowerable with respect to the vehicle body. The baffle 2 can be opened and closed and is arranged at the rear end of the box body 1, the moving assembly 3 is arranged at the bottom central line position of the box body 1, the two groups of knocking assemblies 4 are respectively arranged at the left side and the right side of the moving assembly 3, and each group of knocking assemblies 4 comprises three knocking assemblies 4 which are arranged along the front and rear directions.

The moving assembly 3 includes a limiting member 31, a first support 32, a thrust member 33, a buffer member 34, and a moving member 35. Wherein, a plurality of first supports 32 are installed at the bottom of the case 1, the moving member 35 has a rod shape, and the moving member 35 passes through each first support 32 and is movably disposed with respect to the first support 32. The stopper member 31 is provided at the front end of the moving member 35, and the three thrust members 33 are provided in the moving member 35 in the forward-backward direction. The buffer member 34 includes a pressure spring mounted on the moving member 35, the pressure spring being located between the intermediate first support 32 and the thrust member 33.

Each rapping assembly 4 comprises a second support 41, a rapping member 42, a rotating shaft 43 and an energy accumulating member 44. The second supports 41 are mounted at the bottom of the case 1, both ends of the rotating shaft 43 are mounted on the two second supports 41, and the striking member 42 is mounted on the rotating shaft 43 and has a striking end 421 rotatable around the rotating shaft 43. The energy storage component 44 comprises a torsion spring, the torsion spring is mounted on the rotating shaft 43, an inclined plane 331 is arranged on one side of the thrust component 33 facing the first support 32, a first end S1 of the torsion spring abuts against the inclined plane 331, and a second end S2 of the torsion spring abuts against the knocking component 42. The torsion springs on the left and right sides of the moving member 35 are rotated in opposite directions.

The structure, connection and function of the remaining unrecited components can be found in the previous relevant description.

In a state where the dump truck is traveling normally, the barrier 2 is closed at the rear side of the box 1 so that the cargo box is in a closed state, and the rear end of the moving member 35 abuts against the barrier 2.

When the dump truck needs to dump minerals or other materials, the front end of the box body 1 is turned over and lifted, the baffle plate 2 is opened, and the baffle plate 2 is separated from the box body 1. When the material is poured and the front end of the case 1 is still lifted, the knocking component 42 is turned downward under the influence of its own weight, the moving component 35 slides downward under the influence of its own weight, and the knocking end 421 of the knocking component 42 is also separated from the bottom of the case 1. The stopper member 31 can control the distance the moving member 35 slides down.

When the material is poured, and the front end of the box 1 quickly falls back, the baffle 2 firstly impacts the moving component 35 to move forward and quickly, the thrust component 33 drives the torsion spring to twist, the second end S2 of the torsion spring applies torsion force to the striking component 42, so that the striking component 42 turns around the rotating shaft 43, the striking end 421 strikes the bottom of the box 1, the bottom of the box 1 vibrates, and the effect of cleaning the sediment at the bottom of the box 1 is achieved. Even if the baffle plate 2 impacts the box body 1, the pressure spring can play a role in buffering, so that potential energy of the baffle plate 2 can be absorbed, and the risk that the baffle plate 2 directly impacts the box body 1 to damage the box body 1 is reduced; it is also possible to reduce the risk of excessive damage to the striking member 42 or the transmission member between the moving member 35 and the striking member 42 caused by the moving speed of the moving member 35 being too fast. After the compression spring is compressed, the spring force returns to the original position, and the moving member 35 is driven to slide downward continuously. As the case 1 continues to fall back, the shutter 2 repeatedly hits the moving member 35 under its own weight to repeatedly contact and separate the shutter 2 and the case 1 from each other, and the moving member 35 repeatedly performs the above-described actions, so that the striking member 42 can strike the bottom of the case 1 a plurality of times to sufficiently clean the deposit until the front end of the case 1 completely falls back to the initial position.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure and are not limiting thereof; although the present disclosure has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will appreciate that: modifications may be made to the specific embodiments of the disclosure or equivalents may be substituted for part of the technical features that are intended to be included within the scope of the claims of the disclosure.

Claims (15)

1. A container for a dump truck, comprising:

a case (1);

the baffle (2) is arranged at the rear end of the box body (1) in an openable and closable manner;

a moving member (35) movably provided on the casing (1), the moving member (35) being moved between a first limit position at which the casing (1) is opened by the casing (2) and a second limit position at which the casing (1) is closed by the casing (2) with a rear end of the moving member (35) being located beyond a rear side edge of the casing (1), in response to an opening and closing operation of the casing (2), the rear end of the moving member (35) being abutted against the casing (2), wherein in a state in which the moving member (35) is moved from the first limit position to the second limit position, the moving member (35) is driven by the casing (2); and

a striking member (42) movably mounted on the moving member (35), the striking member (42) having a striking end (421), the striking end (421) being movable between a third pole-limiting position away from the case (1) and a fourth pole-limiting position abutting on the case (1) in response to movement of the moving member (35).

2. A container according to claim 1, characterized in that the tapping member (42) is pivotally connected to the moving member (35) to enable the tapping end (421) to be turned between the third extreme position and the fourth extreme position towards or away from the container (1).

3. A container according to claim 1, further comprising a transmission member, through which the moving member (35) is in driving connection with the tapping member (42).

4. A container according to claim 3, characterized in that the transmission means comprise energy accumulating means (44), which energy accumulating means (44) are arranged between the moving means (35) and the tapping means (42) and are configured to supply energy to the tapping end (421) for tapping the container (1), which energy accumulating means (44) accumulate energy in a state in which the moving means (35) is moved from the second extreme position to the first extreme position, and which energy accumulating means (44) release energy in a state in which the moving means (35) is moved from the first extreme position to the second extreme position.

5. The cargo box according to claim 4, characterized in that the tapping member (42) is pivotally connected to the moving member (35), the energy accumulating member (44) comprising a torsion spring, the first end (S1) and the second end (S2) of which are coupled with the moving member (35) and the tapping member (42), respectively, for translating the motion of the moving member (35) into the motion of the tapping member (42), the torsion spring enabling the tapping end (421) to accumulate energy in a state of movement from the fourth limit position to the third limit position and to release energy in a state of movement from the third limit position to the fourth limit position.

6. The cargo box according to claim 5, characterized in that it further comprises a thrust member (33), said thrust member (33) being arranged on said moving member (35) and having a bevel (331), said bevel (331) being arranged at an angle to the direction of movement of said moving member (35), said first end (S1) of said torsion spring being abutted against said bevel (331).

7. The cargo box of claim 1, further comprising a cushioning member (34), wherein the cushioning member (34) is configured to provide a rearward force to the moving member (35) in a state in which the moving member (35) moves from the first limit position to the second limit position.

8. The cargo box according to claim 7, further comprising a first support (32) and a thrust member (33), the first support (32) being provided on the box (1), the thrust member (33) being provided on the moving member (35), the cushioning member (34) comprising a pressure spring mounted between the first support (32) and the thrust member (33) located behind the first support (32).

9. The cargo box according to claim 1, further comprising a stop member (31), the stop member (31) being configured to: in the first limit position, the rearward displacement of the moving member (35) is restricted, and/or in the second limit position, the forward displacement of the moving member (35) is restricted.

10. A container according to claim 9, further comprising a first abutment (32), the first abutment (32) being provided on the container body (1), in the first extreme position the rear side surface of the stop member (31) abutting against the front side surface of the first abutment (32) to limit rearward displacement of the moving member (35).

11. A container according to any one of claims 1 to 10, wherein the tapping member (42) is located at the bottom surface of the container body (1).

12. A container according to any one of claims 1 to 10, comprising two sets of the knocking members (42) provided on both sides of the moving member (35) in the left-right direction of the container body (1).

13. A container according to claim 12, characterized in that each set of the tapping members (42) comprises at least two tapping members (42) arranged in the fore-and-aft direction of the container body (1).

14. A container according to any one of claims 1-10, characterized in that the barrier (2) is adapted to avoid the moving member (35) in a state in which the moving member (35) is moved from the second extreme position to the first extreme position.

15. A dump truck characterized by comprising a truck body and a cargo box according to any one of claims 1 to 14, a front end of the truck body (1) being liftably provided with respect to the truck body, an opening and closing action of the flap (2) being responsive to a lifting action of the front end of the truck body (1).