Novel mining truck self-discharging baffle

Abstract

The utility model relates to the technical field of mining truck carriage accessory machining, and discloses a novel mining truck self-discharging baffle which comprises a truck frame and a truck box body installed on the truck frame, a supporting oil cylinder connected to the truck frame is arranged at the front end of the truck box body, and the bottom of the rear end of the truck box body is hinged to the truck frame. A discharging baffle with the bottom hinged to a lower bottom plate of the container body is arranged at the rear end of the container body, and a control mechanism which is hinged to the lower portion of the discharging baffle and controls the discharging baffle to swing up and down is arranged on the left side wall of the container body. Locking mechanisms matched with the unloading baffles are arranged on the upper portions, close to the left side wall and the right side wall of the unloading baffles, of the container body correspondingly. The unloading baffle is simple in structure and convenient to operate, the control mechanism is matched with the locking mechanism, so that the unloading baffle can be completely opened and closed along the rear side edge of the lower bottom plate of the container body, the unloading baffle is more convenient to open and close, the unloading baffle is prevented from being impacted during unloading, and the service life of the unloading baffle is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining truck box accessory processing technical field, specifically relates to a novel mining truck self -discharging baffle. BACKGROUND

[0002] At present, the rear baffle of truck box mostly adopts the upper hinged mode, this mode although has facilitated the loading and unloading operation of box, but when mining truck unloads, due to the impact of heavy objects such as stones on the box baffle, the rear baffle is prone to damage, thereby shortening its service life. This situation increases the frequency of repair and replacement, and also brings inconvenience to the on-site operation.

[0003] Specifically, the rear baffle of upper hinged design has some obvious shortcomings. First, its structure is relatively fragile and difficult to withstand the impact of heavy objects. Secondly, this design is prone to wear and deformation of the rear baffle during use, thereby affecting its normal use. In addition, since the frequent opening and closing of the rear baffle need to be manually operated by workers, the operation process is dangerous and time-consuming and laborious.

[0004] Therefore, we need to find a more durable rear baffle design for truck box to improve its service life and reduce maintenance costs. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at above -mentioned problem provides a novel mining truck self -discharging baffle with simple structure and convenient operation.

[0006] In order to achieve the above purpose, the utility model discloses a novel mining truck self -discharging baffle, including frame and the box body of installation on the frame, the front end of box body is equipped with the support oil cylinder connected on the frame and the rear end bottom of box body is hinged on the frame, its structural characteristics are, the rear end of box body is provided with the unloading baffle of bottom hinged on the lower bottom plate of box body, the left side wall of box body is provided with the control mechanism of hinged in the lower part of unloading baffle and control unloading baffle swings up and down, the upper part position of the left and right side walls of box body close to unloading baffle is provided with the locking mechanism matched with unloading baffle respectively.

[0007] After adopting the above structure, through the cooperation of control mechanism and locking mechanism, the unloading baffle can be opened and closed along the rear side of the lower bottom plate of the box body more conveniently, and the unloading baffle can be prevented from being impacted during unloading, thereby effectively increasing the service life of the unloading baffle.

[0008] Preferably, the control mechanism comprises a push-pull cylinder fixed to the side wall of the container body along the length direction of the container body, and an L-shaped rocker arm hinged to the side wall of the container body and matched with the push-pull cylinder, the end of the drive rod of the push-pull cylinder is fixed to a limiting block, a long circular hole is arranged on the limiting block, the lower end of the L-shaped rocker arm is hinged to the long circular hole, a strip-shaped limiting opening is arranged on the upper end of the L-shaped rocker arm along the length direction of the rod body, and a connecting rod for swinging the unloading baffle and a pull rod are hinged to the strip-shaped limiting opening of the front end of the L-shaped rocker arm. Through the back and forth pushing and pulling of the push-pull cylinder of the control mechanism, the L-shaped rocker arm is matched with the connecting rod and the pull rod, so that the unloading baffle can be retracted and extended.

[0009] Preferably, the rod body of the connecting rod is provided with two first and second sliding blocks sliding along the length direction of the rod body, and the first sliding block is located on the upper side of the second sliding block, a hinge screw rod sliding along the strip-shaped limiting opening is arranged on the outer end surface of the first sliding block, the pull rod is hinged to the outer end surface of the second sliding block and swings along the plane where the outer end surface of the second sliding block is located, and the other end of the pull rod is hinged to the lower part of the left side of the unloading baffle. By arranging the first and second sliding blocks on the connecting rod and hinging the two sliding blocks to the pull rod and the L-shaped rocker arm respectively, a multi-link structure is formed, and the connecting rod, the L-shaped rocker arm and the pull rod are interlocked to achieve the purpose of lifting and pulling the unloading baffle.

[0010] Preferably, the locking mechanism comprises a hinged support fixed perpendicularly to the side wall of the container body, a rocker arm support rod is hinged to the outer end of the hinged support, a locking pin is arranged on the rear end surface of the side plate of the container body and clamped to the unloading baffle, the outer end of the locking pin is hinged to the rear end of the rocker arm support rod, a suction iron block is arranged at the front end of the rocker arm support rod, and an electromagnet matched with the suction iron block is fixed to the side wall of the container body. By matching the electromagnet with the suction iron block, the swinging of the rocker arm support rod on the hinged support can be controlled, so that the locking pin locks or opens the unloading baffle.

[0011] Preferably, the locking pin comprises a positioning cylinder fixed to the rear end surface of the side plate of the container body, the body of the positioning cylinder is arranged in the horizontal direction, a plug-in pin shaft is arranged in the positioning cylinder, the length of the plug-in pin shaft is greater than the length of the cylinder body of the positioning cylinder, through holes matched with the diameter of the plug-in pin shaft are arranged on the two end surfaces of the positioning cylinder, the outer end of the plug-in pin shaft extends out of the through hole on the outer side of the positioning cylinder and is hinged to the rocker arm support rod, a limiting stop is arranged on the middle part of the outer wall of the plug-in pin shaft, and a return spring clamped between the limiting stop and the positioning cylinder is sleeved on the shaft body close to the hinged end. By the return spring, the plug-in pin shaft can move forward and backward in the positioning cylinder, so that when the plug-in pin shaft extends out of the rear end through hole of the positioning cylinder, the locking action of the unloading baffle is realized.

[0012] Preferably, a plug-in seat that cooperates with the locking pin is provided at the upper part of the unloading baffle near the two side edges, and a plug-in hole that cooperates with the plug-in pin shaft is provided on the plug-in seat. The lower bottom edge of the unloading baffle is provided with hinged seats hinged to the lower bottom plate of the cargo box body at intervals along the length direction, and the lower part of the left side of the unloading baffle is provided with a connecting frame that cooperates with the control mechanism.

[0013] Preferably, the L-shaped rocker arm is formed by integrally bending a strip near the lower end of the rod, with the angle between the two rods at the corner being obtuse. A hinge hole is provided at the corner of the L-shaped rocker arm for hinged connection to the side wall of the cargo box body. A first hinge limit post is fixedly attached to the outer wall of the L-shaped rocker arm near the lower end, which cooperates with the oblong hole. The first hinge limit post and the oblong hole cooperate to prevent interference between the two when the push-pull cylinder drives the L-shaped rocker arm to swing.

[0014] Preferably, one end of the support cylinder is hinged to the front end of the vehicle frame and the other end is hinged to the middle position of the front fender of the cargo box near the upper portion. The lower floor of the cargo box is hinged to the rear end of the vehicle frame near the rear end. Support cylinders are provided on the vehicle frame and the cargo box, and the rear end of the cargo box is hinged to the vehicle frame. By controlling the push and pull of the support cylinder, the cargo box can be tilted, thereby achieving the purpose of unloading the cargo box.

[0015] Preferably, two opposite length sides of the connecting rod are respectively provided with slide rails arranged along the length direction of the rod body, and the length of the slide rails is smaller than the length of the connecting rod. The first slider and the second slider are clamped on the slide rails and slide back and forth along the slide rails.

[0016] Preferably, the articulated support includes a connecting column vertically fixed on the cargo box body and a U-shaped connecting block fixed to the top of the connecting column, the opening of the U-shaped connecting block is upward and the bottom is fixed to the upper end of the connecting column, and the middle part of the rocker support rod is hinged between the two side plates of the U-shaped connecting block.

[0017] To sum up, the beneficial effects of the present invention are: the present invention has a simple structure and is easy to operate, and the control mechanism cooperates with the locking mechanism, so that the unloading baffle can be fully opened and closed along the rear side of the lower bottom plate of the cargo box body more conveniently and can prevent the unloading baffle from being hit during unloading, thereby effectively increasing the service life of the unloading baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the motion principle of the control mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the utility model when the discharge baffle is opened;

[0021] Figure 4 Figure 1 is a structural schematic view of the hinge part of the unloading baffle and the cargo box body of the utility model;

[0022] Figure 5 Figure 2 is a structural schematic view of the locking mechanism of the utility model;

[0023] Figure 6 Figure 3 is a structural schematic view of the locking mechanism cooperating with the unloading baffle of the utility model.

[0024] In the figure: 1, frame; 2, cargo box body; 3, unloading baffle; 4, control mechanism; 5, locking mechanism; 6, push-pull oil cylinder; 7, L-shaped rocker arm; 8, limit block; 9, long circular hole; 10, strip-shaped limit port; 11, connecting rod; 12, pull rod; 13, first sliding block; 14, second sliding block; 15, hinge screw; 16, hinge support; 17, rocker arm support rod; 18, locking bolt; 19, suction iron block; 20, electromagnet; 21, positioning cylinder; 22, plug-in pin shaft; 23, limit stop; 24, return spring; 25, plug-in seat; 26, hinge seat; 27, connecting frame; 28, first hinge limit column; 29, support oil cylinder. DETAILED DESCRIPTION

[0025] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The following is a preferred embodiment of the utility model in combination with the drawings.

[0029] As Figure 1 And Figure 3As shown, the utility model includes a frame 1 and a cargo box body 2 installed on the frame 1, a supporting oil cylinder 29 connected to the frame 1 is provided at the front end of the cargo box body 2, and the rear end bottom of the cargo box body 2 is hinged to the frame 1. During the design, one end of the supporting oil cylinder 29 is hinged to the front middle body of the frame 1 and the other end is hinged to the middle position of the front baffle of the cargo box body 2 near the upper part, and the lower bottom plate of the cargo box body 2 is hinged to the rear body of the frame 1 near the rear end. In this way, the tilting of the cargo box body 2 can be achieved by controlling the push and pull of the supporting oil cylinder 29, thereby achieving the purpose of unloading the cargo box body 2. Of course, the above-mentioned supporting oil cylinder 29 and the hinged structure of the cargo box body 2 and the frame 1 are well-known structures and will not be elaborated here.

[0030] like Figure 1 and Figure 3 as well as Figure 4 As shown, in a preferred embodiment of the present invention, a discharge baffle 3 whose bottom is hinged to the lower bottom plate of the cargo box body 2 is provided at the rear end of the cargo box body 2, and a control mechanism 4 hinged to the lower part of the discharge baffle 3 and capable of controlling the up and down swing of the discharge baffle 3 is provided on the left side wall of the cargo box body 2, and locking mechanisms 5 that cooperate with the discharge baffle 3 are respectively provided at the upper positions of the left and right side walls of the cargo box body 2 near the discharge baffle 3. During the design, an insertion seat 25 that cooperates with the locking mechanism 5 is provided at the upper position of the discharge baffle 3 near the two sides. The insertion seat 25 includes a rectangular block and a plug-in hole provided on the rectangular block. Hinge seats 26, hinged to the lower floor of the container body 2, are provided at intervals along the length of the lower bottom edge of the discharge baffle 3. These hinge seats 26 allow the discharge baffle 3 to swing up and down along the rear edge of the lower floor of the container body 2. A connecting bracket 27, which cooperates with the control mechanism 4, is also provided at the lower portion of the left side of the discharge baffle 3. This connecting bracket 27 is an L-shaped bracket with one end welded to the discharge baffle 3 and the other end provided with a hinge hole matching the control mechanism 4 on the sidewall. This connection to the discharge baffle 3 through the control mechanism 4 and the locking mechanism 5 makes it easier for the discharge baffle 3 to fully open and close along the rear edge of the lower floor of the container body 2 and protects the discharge baffle 3 from impact during unloading, thereby effectively increasing the service life of the discharge baffle 3.

[0031] like Figure 1 and Figure 2 as well as Figure 4As shown, in another preferred embodiment of the present invention, the above-mentioned control mechanism 4 includes a push-pull cylinder 6 fixedly connected to the side wall of the cargo box body 2 along the length direction of the cargo box body 2 and an L-shaped rocker arm 7 hinged on the side wall of the cargo box body 2 and cooperating with the push-pull cylinder 6. When designed, the driving rod of the push-pull cylinder 6 reciprocates along the length direction of the cargo box body 2. At the same time, a limit block 8 is fixed to the end of the driving rod of the push-pull cylinder 6 and an oblong hole 9 is provided on the limit block 8. The setting direction of the oblong hole 9 is perpendicular to the movement direction of the driving rod of the push-pull cylinder 6, and the lower end of the above-mentioned L-shaped rocker arm 7 is hinged on the oblong hole 9 and the upper end of the L-shaped rocker arm 7 is hinged along the rod body. A strip limit opening 10 is provided in the length direction, and a connecting rod 11 and a pull rod 12 for pulling the unloading baffle 3 to swing are also hinged at the strip limit opening 10 at the front end of the L-shaped rocker arm 7. During production, the L-shaped rocker arm 7 is a strip rod body that is formed by integral bending near the lower end, and the angle between the two rod bodies at the corner is an obtuse angle. A hinge hole hinged to the side wall of the cargo box body 2 is provided at the corner of the L-shaped rocker arm 7, and a hinge base installed at the hinge hole is provided on the cargo box body 2. The swinging plane of the L-shaped rocker arm 7 is parallel to the left side wall of the cargo box body 2, and a first hinge limit column 28 that matches the oblong hole 9 is fixed to the outer wall near the lower end of the L-shaped rocker arm 7. By cooperating with the oblong hole 9, the first articulated limit column 28 moves along the length direction in the oblong hole 9 when the push-pull cylinder 6 drives the rod to move, thereby avoiding interference between the two when the push-pull cylinder 6 drives the L-shaped rocker arm 7 to swing.

[0032] like Figure 2 and Figure 3 as well as Figure 4As shown, in a specific embodiment of the present invention, the rod body of the above-mentioned connecting rod 11 is provided with a first slider 13 and a second slider 14 that slide along the length direction of the rod body, and the first slider 13 is located on the upper side of the second slider 14. The outer end surface of the first slider 13 is provided with a hinged screw 15 that slides along the strip limit opening 10 on the L-shaped rocker arm 7, and the outer end surface of the second slider 14 is hinged with a pull rod 12, and the pull rod 12 swings along the plane where the outer end surface of the second slider 14 is located. At the same time, the other end of the pull rod 12 is hinged to the connecting frame 27 at the lower position of the left side of the unloading baffle 3, so that the push-pull cylinder 6 of the control mechanism 4 pushes and pulls the L-shaped rocker back and forth Arm 7, so that the L-shaped rocker arm 7 cooperates with the connecting rod 11 and the pull rod 12. A first slider 13 and a second slider 14 are provided on the connecting rod 11, and the two sliders are respectively hinged on the pull rod 12 and the L-shaped rocker arm 7, thereby forming a multi-link structure and interlocking with each other to achieve the purpose of lifting the unloading baffle 3; when designing, the two opposite length sides of the connecting rod 11 are respectively provided with slide rails arranged along the length direction of the rod body, and the length of the slide rail is smaller than the length of the connecting rod 11. When manufacturing, a limit block 8 is provided at the end of the slide rail to prevent the first slider 13 and the second slider 14 from falling off from the connecting rod 11 when they are clamped on the slide rail and slide back and forth along the slide rail.

[0033] like Figure 1 and Figure 4 as well as Figure 5 and Figure 6As shown, in another specific embodiment of the present invention, the locking mechanism 5 includes a hinged support 16 vertically fixed to the side wall of the cargo box body 2, the outer end of the hinged support 16 is hinged to a rocker support rod 17, and a locking latch 18 is provided on the rear end surface of the side panel of the cargo box body 2, which is clamped on the discharge damper 3, and the outer end of the locking latch 18 is hinged at the rear end position of the rocker support rod 17. At the same time, an attractive iron block 19 is provided at the front end position of the rocker support rod 17, and an electromagnet 20 that cooperates with the attractive iron block 19 is fixed to the side wall of the cargo box body 2. The electromagnet 20 and the attractive iron block 19 can control the rocker support rod 17 to swing on the hinged support 16, so that the locking latch 18 locks or opens the discharge damper 3. During design, the locking pin 18 includes a positioning cylinder 21 fixed to the rear end surface of the side plate of the cargo box body 2, and the positioning cylinder 21 body is arranged in the horizontal direction, a plug pin shaft 22 is arranged in the positioning cylinder 21, and the length of the plug pin shaft 22 is greater than the length of the positioning cylinder 21 body. At the same time, a through hole adapted to the diameter of the plug pin shaft 22 is provided on both end surfaces of the positioning cylinder 21, and the outer end of the plug pin shaft 22 extends out of the outer through hole of the positioning cylinder 21 and is hinged to the rocker arm support rod 17. The mounting hole of the hinged portion of the rocker arm support rod 17 and the plug pin shaft 22 is at It is an oblong hole, and a hinge column passing through the rocker arm support rod 17 is provided at the oblong hole. In this way, the plug pin 22 is hingedly connected at the oblong hole of the rocker arm support rod 17, so that the plug pin 22 can move in a straight line and have a certain amount of movable margin with the rocker arm support rod 17, thereby effectively avoiding interference between the rocker arm support rod 17 and the plug pin 22 when the rocker arm support rod 17 moves; a limit stop 23 is also provided on the outer wall of the middle ring of the plug pin 22, and a return spring 24 is sleeved on the shaft body of the limit stop 23 near the hinged end and is clamped between the limit stop 23 and the positioning cylinder 21. The return spring 24 enables the plug-in pin 22 to move back and forth within the positioning cylinder 21. During manufacture, the length of the return spring 24 is adapted to the length of the positioning cylinder 21. Under normal conditions, the plug-in pin 22 cooperates with the limit stop 23 through the return spring 24, so that the pin extends out of the positioning cylinder 21 and extends a portion of the shaft through the rear end through hole, thereby achieving a locking action on the discharge baffle 3 when the plug-in pin 22 extends out of the rear end through hole of the positioning cylinder 21. The aforementioned hinged support 16 includes a connecting column vertically fixed to the cargo box body 2 and a U-shaped connecting block fixed to the top of the connecting column. The opening of the U-shaped connecting block is upward and the bottom is fixed to the upper end of the connecting column. At the same time, the middle part of the rocker arm support rod 17 is hinged between the two side plates of the U-shaped connecting block.

[0034] like Figure 1 and Figure 2 as well as Figure 4 and Figure 5As shown, in use, when the truck is in the transport state, the support oil cylinder 29, the control mechanism 4 and the locking mechanism 5 are in the closed state; when the truck reaches the unloading site and needs to be in the unloading state, the electromagnet 20 of the locking mechanism 5 is energized to attract the attracted iron block 19, so that the locking bolt 18 is withdrawn from the plug-in seat 25 on the unloading baffle 3, thereby changing the upper part of the unloading baffle 3 from the locked state to the open state, at the same time, the driving rod of the push-pull oil cylinder 6 of the control mechanism 4 is pushed, and through the cooperation of the L-shaped rocker arm 7, the connecting rod 11 and the pull rod 12, the unloading baffle 3 is completely opened, and the support oil cylinder 29 at the front end of the box body 2 also works to lift the front end of the box body 2, so that the box body 2 is inclined to pour out the material; when the truck is in the transport state after unloading, the support oil cylinder 29 at the front end of the box body 2 is slowly withdrawn, at the same time, the driving rod of the push-pull oil cylinder 6 of the control mechanism 4 is pulled back, so that the L-shaped rocker arm 7, the connecting rod 11 and the pull rod 12 are matched, the unloading baffle 3 is controlled to swing upward along the rear side of the lower bottom plate of the box body 2, so that the unloading baffle 3 returns to the vertical state, at the same time, the electromagnet 20 is de-energized to attract the attracted iron block 19 to return to the disconnected state, and the locking bolt 18 is controlled by the return spring 24 to be clamped in the plug-in seat 25.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A novel dump baffle for mining trucks, comprising a vehicle frame (1) and a cargo box body (2) mounted on the vehicle frame (1), wherein the front end of the cargo box body (2) is provided with a supporting oil cylinder (29) connected to the vehicle frame (1) and the rear end bottom of the cargo box body (2) is hinged to the vehicle frame (1), characterized in that: The rear end of the cargo box body (2) is provided with a discharge baffle (3) whose bottom is hinged to the lower bottom plate of the cargo box body (2); the left side wall of the cargo box body (2) is provided with a control mechanism (4) which is hinged to the lower part of the discharge baffle (3) and controls the up and down swinging of the discharge baffle (3); and the upper positions of the left and right side walls of the cargo box body (2) close to the discharge baffle (3) are respectively provided with locking mechanisms (5) which cooperate with the discharge baffle (3).

2. The novel mining truck dump baffle according to claim 1 is characterized in that: The control mechanism (4) comprises a push-pull oil cylinder (6) fixedly connected to the side wall of the cargo box body (2) along the length direction of the cargo box body (2) and an L-shaped rocker arm (7) hinged on the side wall of the cargo box body (2) and matched with the push-pull oil cylinder (6); the end of the driving rod of the push-pull oil cylinder (6) is fixedly connected to a limit block (8) and the limit block (8) is provided with an oblong hole (9); the lower end of the L-shaped rocker arm (7) is hinged on the oblong hole (9) and the upper end of the L-shaped rocker arm (7) is provided with a strip-shaped limit opening (10) along the length direction of the rod body; the strip-shaped limit opening (10) at the front end of the L-shaped rocker arm (7) is hinged with a connecting rod (11) and a pull rod (12) for pulling the unloading baffle (3) to swing.

3. The novel mining truck dump baffle according to claim 2 is characterized in that: The connecting rod (11) is provided with a first slider (13) and a second slider (14) that slide along the length direction of the rod, and the first slider (13) is located on the upper side of the second slider (14). The outer end surface of the first slider (13) is provided with a hinge screw (15) that slides along the strip-shaped limit opening (10). The outer end surface of the second slider (14) is hinged with a pull rod (12) and the pull rod (12) swings along the plane where the outer end surface of the second slider (14) is located. The other end of the pull rod (12) is hinged at the lower position of the left side of the discharge baffle (3).

4. The novel mining truck dump baffle according to claim 1 is characterized in that: The locking mechanism (5) includes a hinged support (16) vertically fixed on the side wall of the cargo box body (2), the outer end of the hinged support (16) is hinged to a rocker support rod (17), a locking pin (18) is provided on the rear end surface of the side plate of the cargo box body (2) and is clamped on the discharge baffle (3), and the outer end of the locking pin (18) is hinged at the rear end position of the rocker support rod (17), an attractive iron block (19) is provided at the front end position of the rocker support rod (17), and an electromagnet (20) that cooperates with the attractive iron block (19) is fixed to the side wall of the cargo box body (2).

5. The novel mining truck dump baffle according to claim 4 is characterized in that: The locking pin (18) includes a positioning cylinder (21) fixed on the rear end surface of the side plate of the cargo box body (2), and the positioning cylinder (21) body is arranged in the horizontal direction, a plug pin shaft (22) is arranged in the positioning cylinder (21), and the length of the plug pin shaft (22) is greater than the length of the positioning cylinder (21) body, through holes adapted to the diameter of the plug pin shaft (22) are arranged on both end surfaces of the positioning cylinder (21), and the outer end of the plug pin shaft (22) extends out of the outer through hole of the positioning cylinder (21) and is hinged to the rocker support rod (17), a limit stop (23) is arranged on the outer wall of the middle ring of the plug pin shaft (22), and a return spring (24) is sleeved on the shaft body of the limit stop (23) near the hinged end and is clamped between the limit stop (23) and the positioning cylinder (21).

6. The novel mining truck dump baffle according to claim 4, characterized in that: The upper portion of the unloading baffle (3) is provided with a plug-in seat (25) that cooperates with the locking pin (18) at a position close to the two side edges, and the plug-in seat (25) is provided with a plug-in hole that cooperates with the plug-in pin shaft (22). The lower bottom edge of the unloading baffle (3) is provided with hinged seats (26) hinged to the lower bottom plate of the cargo box body (2) at intervals along the length direction. The lower portion of the left side of the unloading baffle (3) is provided with a connecting frame (27) that cooperates with the control mechanism (4).

7. The novel mining truck dump baffle according to claim 2, characterized in that: The L-shaped rocker arm (7) is a strip-shaped rod body formed by integral bending near the lower end thereof, and the angle between the two rod bodies at the corner is an obtuse angle. A hinge hole hinged to the side wall of the cargo box body (2) is provided at the corner of the L-shaped rocker arm (7). A first hinged limit column (28) matching the oblong hole (9) is fixedly connected to the outer wall of the L-shaped rocker arm (7) near the lower end.

8. The novel mining truck dump baffle according to claim 1 is characterized in that: One end of the supporting oil cylinder (29) is hinged to the front end body of the vehicle frame (1) and the other end is hinged to the middle position of the front baffle of the cargo box body (2) near the upper part, and the lower bottom plate of the cargo box body (2) is hinged to the rear body of the vehicle frame (1) at a position near the rear end.

9. The novel mining truck dump baffle according to claim 3, characterized in that: The two opposite length sides of the connecting rod (11) are respectively provided with slide rails arranged along the length direction of the rod body, and the length of the slide rails is smaller than the length of the connecting rod (11). The first slider (13) and the second slider (14) are clamped on the slide rails and slide back and forth along the slide rails.

10. The novel mining truck dump baffle according to claim 4, characterized in that: The hinged support (16) includes a connecting column vertically fixed to the cargo box body (2) and a U-shaped connecting block fixed to the top of the connecting column, the opening of the U-shaped connecting block is upward and the bottom is fixed to the upper end of the connecting column, and the middle part of the rocker support rod (17) is hinged between the two side plates of the U-shaped connecting block.

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