Abrupt slope head warping prevention device for mining dump truck

Abstract

The utility model discloses an abrupt slope head upwarp prevention device for a mining dump truck, which relates to the technical field of mining dump trucks and comprises a dump truck body, a dump box body is mounted on the upper surface of the dump truck body, mounting plates are fixedly connected to two sides of the tail end of the dump truck body, a first pin shaft is mounted on one side of each mounting plate, and a second pin shaft is mounted on the other side of each mounting plate. The abrupt slope head warping prevention device for the mining dump truck comprises supporting plates, supporting arms and supporting wheels, the supporting plates are movably arranged on the outer sides of the first pin shafts in a sleeving mode, arc-shaped grooves are formed in the surfaces of the supporting plates, and arc-shaped cavities are formed in the positions, located at one ends of the arc-shaped grooves, of the interiors of the supporting plates. One end of the supporting wheel or one end of the supporting plate can be selected to make contact with the ground according to needs, and therefore the vehicle can be supported and prevented from tilting when the vehicle is in the in-situ lifting state or the steep slope driving state according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of mining dump trucks, in particular to a steep slope anti-lifting device for mining dump trucks. Background Art

[0002] A mining dump truck is a large off-road transport vehicle that is mainly used in open-pit mines, hydropower projects, civil engineering projects, etc. Due to its large weight, harsh working environment, and long continuous working time, it has stringent requirements on the strength and reliability of the concentrated stress-bearing parts of the vehicle. The body assembly of a mining dump truck mainly includes a frame, a suspension system, and a truck bed. When a mining dump truck is lifted in situ or driving on a steep slope, it is easy to tilt the head, which is prone to safety accidents. Therefore, a steep slope anti-tilt device for a mining dump truck is proposed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a steep slope anti-tilt device for a mining dump truck, which solves the problems raised in the above background technology.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a steep slope anti-tilt device for a mining dump truck, comprising a dump truck body, a dump box body is installed on the upper surface of the dump truck body, mounting plates are fixedly connected on both sides of the rear end of the dump truck body, a first pin is installed on one side of the mounting plate, a support plate is movably sleeved on the outer side of the first pin, an arc groove is opened on the surface of the support plate, an arc cavity is opened inside the support plate and at one end located in the arc groove, a piston block is slidably connected inside the arc cavity, one end of the piston block is fixedly connected to a piston rod, one end of the piston rod extends to the inside of the arc groove and is fixedly connected to a drive shaft, one end of the drive shaft extends to the outer side of the support plate, a second pin is embedded on one side of the support plate, a support arm is movably sleeved on the outer side of the second pin, one end of the drive shaft is connected to the outer side of the support arm, and a support wheel is installed on one end of the support arm.

[0005] Preferably, the support plate is fixedly connected to one end of the arc-shaped cavity inside the second pipe, and the support plate is fixedly connected to the other end of the arc-shaped cavity inside the first pipe, one end of the first pipe and the second pipe extend into the arc-shaped cavity, and the surface of the support plate is fixedly connected to a liquid supply device, and the liquid supply device is connected to the first pipe and the second pipe through the liquid supply end, and the liquid supply device inputs hydraulic oil into the first pipe and the second pipe or extracts the hydraulic oil from the first pipe and the second pipe through a pump for conveying hydraulic oil.

[0006] Preferably, an annular groove is provided inside the mounting plate and on the outside of the first pin shaft, an inner gear ring is slidably connected inside the annular groove, an annular cavity is provided inside the mounting plate and on the right side of the annular groove, two limit blocks are slidably connected inside the annular cavity, and one end of each limit block is connected to one side of the inner gear ring.

[0007] Preferably, a transmission groove is opened inside the mounting plate and on the inner side of the annular groove, a servo motor is fixedly connected to one side of the inner cavity of the transmission groove, and a transmission gear is fixedly sleeved on the output end of the servo motor, and the transmission gear cooperates with the inner gear ring. When the support plate needs to be retracted, the telescopic end of the electric telescopic rod drives one end of the card column to move out of the card slot, and then the output end of the servo motor drives the transmission gear to reset and rotate, so that the transmission gear drives the inner gear ring to reset and move, and the inner gear ring drives the support plate to reset and move through the driving rod, so that the support plate resets and rotates around the first pin shaft, thereby rotating the support plate to the initial position.

[0008] Preferably, a plurality of driving grooves are provided inside the mounting plate and on the outside of the annular groove, an electric telescopic rod is fixedly connected to one side of the inner cavity of the driving groove, a clamping column is fixedly connected to the telescopic end of the electric telescopic rod, a plurality of clamping grooves are provided on the outside of the inner gear ring, one end of the clamping column extends into the corresponding clamping groove, and after the support plate rotates to the initial position, the telescopic end of the electric telescopic rod pushes the clamping column to move, so that one end of the clamping column is inserted into the corresponding clamping groove, thereby limiting the position of the inner gear ring, the driving rod and the support plate.

[0009] Preferably, a driving rod is fixedly connected to one side of the inner gear ring, one end of the driving rod extends to the outside of the mounting plate and is connected to one side of the support plate, and placement pads are installed on both sides of the dump truck body and below the support plate.

[0010] The utility model provides a steep slope anti-tilt device for a mining dump truck, which has the following beneficial effects:

[0011] 1. The steep slope anti-tilt device for the mining dump truck is provided with a support plate, a support arm and a support wheel. The support wheel or one end of the support plate can be selected to contact the ground as needed, so that the vehicle can be supported and prevented from tilting when the vehicle is in a state of being lifted in situ and traveling on a steep slope as needed.

[0012] 2. The steep slope anti-tilt device for the mining dump truck is provided with a servo motor, a transmission gear and an inner gear ring. When unloading on the spot, the telescopic end of the electric telescopic rod drives one end of the clamping column to move out of the clamping slot, and then the output end of the servo motor drives the transmission gear to rotate, so that the transmission gear drives the inner gear ring to move in a circle, thereby driving the arc groove to drive the support plate to rotate around the outer side of the first pin shaft through the movement of the inner gear ring, adjusting the angle of the support plate so that one end of the support plate contacts the ground, and then the telescopic end of the electric telescopic rod pushes the clamping column to move, so that one end of the clamping column is inserted into the corresponding clamping slot, and the position of the inner gear ring and the support plate is fixed, and then one end of the support plate contacts the ground, and the clamping column cooperates with the clamping slot to position and fix the support plate when the support plate is in different working states. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the utility model in a steep slope driving state;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model in the in-situ lifting state;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model in normal driving state;

[0016] Figure 4 This is a schematic diagram of the connection structure between the support arm and the support plate of the utility model;

[0017] Figure 5 This is a schematic diagram of the connection structure between the support plate and the mounting plate of the utility model;

[0018] Figure 6 This is a schematic diagram of the internal structure of the support plate of the utility model;

[0019] Figure 7 For this utility model Figure 6 Enlarged view of point A.

[0020] In the figure: 1. dump truck body; 2. dump box body; 3. mounting plate; 4. first pin shaft; 5. annular groove; 6. clamping groove; 7. inner gear ring; 8. clamping column; 9. transmission groove; 10. annular cavity; 11. driving groove; 12. electric telescopic rod; 13. limit block; 14. servo motor; 15. transmission gear; 16. driving rod; 17. support plate; 18. arc groove; 19. arc cavity; 20. piston rod; 21. driving shaft; 22. first pipeline; 23. piston block; 24. second pipeline; 25. liquid supply equipment; 26. support arm; 27. second pin shaft; 28. support wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Embodiment 1

[0023] See also Figures 1 to 3 , Figure 4 , Figure 6 and Figure 7 The utility model provides a technical solution: a steep slope anti-lifting device for a mining dump truck, comprising a dump truck body 1, a dump box 2 is installed on the upper surface of the dump truck body 1, mounting plates 3 are fixedly connected to both sides of the tail end of the dump truck body 1, a first pin shaft 4 is installed on one side of the mounting plate 3, a support plate 17 is movably sleeved on the outer side of the first pin shaft 4, an arc groove 18 is opened on the surface of the support plate 17, an arc cavity 19 is opened inside the support plate 17 and at one end of the arc groove 18, and the arc cavity 19 A piston block 23 is slidably connected inside, one end of the piston block 23 is fixedly connected to a piston rod 20, one end of the piston rod 20 extends to the inside of the arc groove 18 and is fixedly connected to a drive shaft 21, one end of the drive shaft 21 extends to the outside of the support plate 17, a second pin shaft 27 is embedded on one side of the support plate 17, a support arm 26 is movably sleeved on the outside of the second pin shaft 27, one end of the drive shaft 21 is connected to the outside of the support arm 26, and a support wheel 28 is installed at one end of the support arm 26.

[0024] A second pipe 24 is fixedly connected to one end of the support plate 17 and located in the arc cavity 19, and a first pipe 22 is fixedly connected to the other end of the support plate 17 and located in the arc cavity 19. One ends of the first pipe 22 and the second pipe 24 extend into the arc cavity 19, and a liquid supply device 25 is fixedly connected to the surface of the support plate 17. The liquid supply device 25 is connected to the first pipe 22 and the second pipe 24 through the liquid supply end. When the support wheel 28 needs to be retracted, the liquid supply device 25 inputs hydraulic oil into the arc cavity 19 through the second pipe 24, and the hydraulic oil in the arc cavity 19 is extracted through the first pipe 22, so that the piston rod 20 drives the drive shaft 21 to reset and move, so that the drive shaft 21 drives the support arm 26 and the support wheel 28 to reset and move, so that the support arm 26 resets and rotates around the second pin shaft 27, so that the support wheel 28 moves to the initial position.

[0025] Embodiment 2

[0026] See also Figures 1 to 3 and Figure 5The utility model provides a technical solution: an annular groove 5 is provided inside the mounting plate 3 and outside the first pin shaft 4, an inner gear ring 7 is slidably connected inside the annular groove 5, an annular cavity 10 is provided inside the mounting plate 3 and on the right side of the annular groove 5, two limit blocks 13 are slidably connected inside the annular cavity 10, one end of the limit blocks 13 is connected to one side of the inner gear ring 7, and when the inner gear ring 7 moves, the limit blocks 13 are driven to move along the inner part of the annular cavity 10, and the position of the inner gear ring 7 is limited by the limit blocks 13 and the annular cavity 10 , a transmission groove 9 is provided inside the mounting plate 3 and on the inner side of the annular groove 5, and a servo motor 14 is fixedly connected to one side of the inner cavity of the transmission groove 9, and a transmission gear 15 is fixedly sleeved on the output end of the servo motor 14, and the transmission gear 15 is matched with the inner gear ring 7. When the support plate 17 needs to be retracted, the telescopic end of the electric telescopic rod 12 drives one end of the card column 8 to move out of the card slot 6, and then the output end of the servo motor 14 drives the transmission gear 15 to reset and rotate, so that the transmission gear 15 drives the inner gear ring 7 to reset and move, so that the inner gear ring 7 passes The driving rod 16 drives the support plate 17 to reset and move, so that the support plate 17 is reset and rotated around the first pin shaft 4, thereby rotating the support plate 17 to the initial position, and a plurality of driving grooves 11 are provided inside the mounting plate 3 and outside the annular groove 5, and one side of the inner cavity of the driving groove 11 is fixedly connected with an electric telescopic rod 12, and the telescopic end of the electric telescopic rod 12 is fixedly connected with a clamping column 8, and a plurality of clamping grooves 6 are provided on the outer side of the inner gear ring 7, and one end of the clamping column 8 extends to the inside of the corresponding clamping groove 6. After the support plate 17 is rotated to the initial position The telescopic end of the electric telescopic rod 12 pushes the card column 8 to move, so that one end of the card column 8 is inserted into the corresponding card slot 6, thereby limiting the position of the inner ring gear 7, the driving rod 16 and the support plate 17. One side of the inner ring gear 7 is fixedly connected with the driving rod 16, and one end of the driving rod 16 extends to the outside of the mounting plate 3 and is connected to one side of the support plate 17. Placement pads are installed on both sides of the dump truck body 1 and below the support plate 17, so that the support plate 17 can be rotated to the initial state and supported by the placement pads.

[0027] In summary, the steep slope anti-lifting device for the mining dump truck, when in use, obtains the loads of the front axle, the middle axle and the rear axle through the controller for the device integrated in the vehicle cab and the sensors installed in the front axle, the middle axle and the rear axle, and controls whether the device works according to the values ​​and road conditions, as well as the two situations of steep slope driving and unloading in situ. When unloading in situ, the telescopic end of the electric telescopic rod 12 drives one end of the clamping column 8 to move out of the clamping slot 6, and then the output end of the servo motor 14 drives the transmission gear 15 to rotate, so that the transmission The gear 15 drives the inner gear ring 7 to move in a circle, thereby driving the arc groove 18 to drive the support plate 17 to rotate around the outer side of the first pin shaft 4 through the movement of the inner gear ring 7, adjusting the angle of the support plate 17 so that one end of the support plate 17 contacts the ground, and then the telescopic end of the electric telescopic rod 12 pushes the clamping column 8 to move, so that one end of the clamping column 8 is inserted into the corresponding clamping groove 6, fixing the positions of the inner gear ring 7 and the support plate 17, and then one end of the support plate 17 contacts the ground to prevent the head from tilting when unloading on the spot;

[0028] When driving on a steep slope, the telescopic end of the electric telescopic rod 12 drives one end of the card column 8 to move out of the card slot 6, and then the output end of the servo motor 14 drives the transmission gear 15 to rotate, so that the transmission gear 15 drives the inner ring gear 7 to move in a circle, thereby driving the arc groove 18 to drive the support plate 17 to rotate around the outer side of the first pin 4 through the movement of the inner ring gear 7, adjusting the angle of the support plate 17 to a specified angle, and then the telescopic end of the electric telescopic rod 12 pushes the card column 8 to move, so that one end of the card column 8 is inserted into the corresponding card slot 6, and the inner ring gear 7 and the support plate 1 7 is fixed in position, and then hydraulic oil is input into the first pipeline 22 through the liquid supply device 25, so that the hydraulic oil enters the left side of the piston block 23 through the first pipeline 22, and the hydraulic oil in the inner cavity of the arc cavity 19 located on the right side of the piston block 23 is sucked into the liquid supply device 25 through the second pipeline 24, so that the piston block 23 pushes the piston rod 20 to drive the drive shaft 21 to move, so that the drive shaft 21 drives the support arm 26 to move in an arc, so that the support arm 26 rotates around the outer side of the second pin shaft 27, so that the support wheel 28 is in contact with the ground, thereby preventing the head from tilting.

[0029] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A steep slope anti-lift device for a mining dump truck, comprising a dump truck body (1), characterized in that: A dump box (2) is installed on the upper surface of the dump truck body (1), and mounting plates (3) are fixedly connected to both sides of the rear end of the dump truck body (1), and a first pin shaft (4) is installed on one side of the mounting plate (3), and a support plate (17) is movably sleeved on the outer side of the first pin shaft (4), and an arc groove (18) is provided on the surface of the support plate (17), and an arc cavity (19) is provided inside the support plate (17) and at one end of the arc groove (18), and a piston block (23) is slidably connected inside the arc cavity (19), and the piston block One end of each of the piston rods (23) is fixedly connected to a piston rod (20), one end of each of the piston rods (20) extends to the inside of the arc groove (18) and is fixedly connected to a drive shaft (21), one end of each of the drive shafts (21) extends to the outside of the support plate (17), a second pin shaft (27) is embedded on one side of the support plate (17), a support arm (26) is movably sleeved on the outside of the second pin shaft (27), one end of each of the drive shafts (21) is connected to the outside of the support arm (26), and one end of each of the support arms (26) is mounted with a support wheel (28).

2. The steep slope anti-tilt device for a mining dump truck according to claim 1, characterized in that: The support plate (17) is fixedly connected to one end located in the arc-shaped cavity (19) with a second pipe (24), and the support plate (17) is fixedly connected to the other end located in the arc-shaped cavity (19) with a first pipe (22), one end of each of the first pipe (22) and the second pipe (24) extends into the arc-shaped cavity (19), and the surface of the support plate (17) is fixedly connected to a liquid supply device (25), and the liquid supply device (25) is connected to the first pipe (22) and the second pipe (24) via a liquid supply end.

3. The steep slope anti-tilt device for a mining dump truck according to claim 1, characterized in that: An annular groove (5) is provided inside the mounting plate (3) and on the outside of the first pin shaft (4), and an inner gear ring (7) is slidably connected inside the annular groove (5). An annular cavity (10) is provided inside the mounting plate (3) and on the right side of the annular groove (5), and two limit blocks (13) are slidably connected inside the annular cavity (10), and one end of each limit block (13) is connected to one side of the inner gear ring (7).

4. The steep slope anti-tilt device for a mining dump truck according to claim 1, characterized in that: A transmission groove (9) is provided inside the mounting plate (3) and on the inner side of the annular groove (5); a servo motor (14) is fixedly connected to one side of the inner cavity of the transmission groove (9); a transmission gear (15) is fixedly sleeved on the output end of the servo motor (14); and the transmission gear (15) cooperates with the inner gear ring (7).

5. The steep slope anti-tilt device for a mining dump truck according to claim 3, characterized in that: A plurality of driving grooves (11) are provided inside the mounting plate (3) and outside the annular groove (5); one side of the inner cavity of the driving groove (11) is fixedly connected to an electric telescopic rod (12); the telescopic end of the electric telescopic rod (12) is fixedly connected to a clamping column (8); a plurality of clamping grooves (6) are provided on the outer side of the inner gear ring (7); one end of the clamping column (8) extends into the corresponding clamping groove (6).

6. The steep slope anti-tilt device for a mining dump truck according to claim 3, characterized in that: A driving rod (16) is fixedly connected to one side of the inner gear ring (7), one end of the driving rod (16) extends to the outside of the mounting plate (3) and is connected to one side of the support plate (17), and placement pads are installed on both sides of the dump truck body (1) and below the support plate (17).

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