CN219295248U

CN219295248U - Mining dump truck body assembly

Info

Publication number: CN219295248U
Application number: CN202223294292.3U
Authority: CN
Inventors: 孙波; 桑建青
Original assignee: Yangzhou Kaiyue Body Manufacturing Co ltd
Current assignee: Yangzhou Kaiyue Body Manufacturing Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-04
Anticipated expiration: 2032-12-08

Abstract

A mining dump truck body assembly. Relates to the technical field of mining dumpers. The hydraulic cylinder drives one end of the car hopper to rotate around a hinging point of the car hopper and the car frame, an auxiliary plate is arranged in the car hopper and is attached to the inner side of a bottom plate of the car hopper, and a distance exists between the peripheral edge of the auxiliary plate and the inner wall of the car hopper; the tail part of the inner side of the bottom plate of the car hopper is also provided with a containing groove, a hinging seat is arranged in the containing groove, and one side of the auxiliary plate, which is close to the tail part of the car frame, is connected with the hinging seat; an air cushion is arranged between the auxiliary plate and the bottom plate of the car hopper, and the air cushion expands and supports the auxiliary plate upwards after air supply is carried out. According to the utility model, the auxiliary plate is driven to turn over at a small angle by arranging the air cushion with a simple structure, so that the ore in the car hopper is partially dumped, and the load of the follow-up hydraulic cylinder on the top support of the car hopper is reduced.

Description

Mining dump truck body assembly

Technical Field

The utility model relates to the technical field of mining dumpers, in particular to a mining dumper body assembly.

Background

The mining dump truck is a large-scale off-road transport vehicle which mainly operates in the surface mine, the hydropower engineering, the civil engineering and the like. Because of the total weight, severe working environment and long continuous working time, the strength and reliability of the concentrated stress part of the whole vehicle are strictly required. The body assembly of the mining dump truck mainly comprises a frame, a suspension system, a hopper and the like, wherein the hopper of the mining dump truck generally accounts for 20-25% of the total mass of the whole truck when in no-load, and the mass utilization coefficient of the whole truck is greatly influenced.

At present, a hopper of a mining dump truck is of a fixed open box type structure, overturning and self-unloading are realized through driving of a hydraulic cylinder on a frame, in order to completely discharge ores and the like in the hopper from the hopper, the hopper is required to be propped up to a larger inclination angle, in order to achieve the larger inclination angle, in combination with a lever principle, when the hydraulic cylinder is arranged close to a hinging point of the hopper and the frame, the hydraulic cylinder can be realized under a smaller extension stroke, but the load born by the hydraulic cylinder is required to be larger, when the hydraulic cylinder is arranged far away from the hinging point of the hopper and the frame, the hydraulic cylinder can be overturned under a smaller load, but the hydraulic cylinder is required to have a larger stroke, the volume of the hydraulic cylinder is also required to be too large, and the space of the frame is required to be occupied to be improved, so that the working load of the hydraulic cylinder is reduced, and meanwhile, the overturning of a large angle can be realized in a shorter stroke.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a mining dump truck body assembly.

The utility model is realized by adopting the following technical scheme: the mining dump truck body assembly comprises a frame, a hydraulic cylinder and a truck hopper, wherein the hydraulic cylinder and the truck hopper are arranged on the frame, the hydraulic cylinder drives one end of the truck hopper to rotate around a hinge point between the truck hopper and the frame, an auxiliary plate is arranged in the truck hopper and is attached to the inner side of a bottom plate of the truck hopper, and a distance exists between the peripheral edge of the auxiliary plate and the inner wall of the truck hopper;

the tail part of the inner side of the bottom plate of the car hopper is also provided with a containing groove, a hinging seat is arranged in the containing groove, and one side of the auxiliary plate, which is close to the tail part of the car frame, is connected with the hinging seat;

an air cushion is arranged between the auxiliary plate and the bottom plate of the car hopper, and the air cushion expands and supports the auxiliary plate upwards after air supply is carried out.

The preferred embodiment of the utility model is that the air source is communicated with the air cushion through an air pipe, the air source is positioned at the bottom of the frame, and the air pipe penetrates through the frame and the hopper.

The preferred embodiment of the utility model is that the left expansion of the air cushion is larger than the right expansion of the air cushion, and the hinge seat is positioned below the right side of the auxiliary plate.

The preferred implementation mode of the utility model is that a rotating shaft and a movable cover plate are also arranged on the inner wall of the car hopper, one side of the movable cover plate is hinged on the rotating shaft, the other side of the movable cover plate is erected on the auxiliary plate, and the length of the movable cover plate is larger than the width of the auxiliary plate.

The other side of the movable cover plate is arc-shaped.

The preferred embodiment of the utility model is that the contact part of the auxiliary plate and the movable cover plate is upwards protruded and mutually abutted with the arc-shaped part of the movable cover plate.

The preferred implementation mode of the utility model is that the inner wall of the car hopper is also provided with a lug, and the lug is positioned in a space surrounded by the car hopper, the auxiliary plate and the movable cover plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the auxiliary plate is driven to turn over at a small angle by arranging the air cushion with a simple structure, so that the ore in the car hopper is partially dumped, and the load of a follow-up hydraulic cylinder on the top support of the car hopper is reduced;

2. through the cooperation of movable cover plate and accessory plate, can prevent that the ore card from establishing between accessory plate and car hopper, the rotation of the accessory plate of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the auxiliary plate;

FIG. 3 is an operational state reference diagram of FIG. 2;

in the figure: 1. a frame; 2. a hydraulic cylinder; 3. a hopper; 31. a receiving groove; 32. a hinge base; 33. a rotating shaft; 34. a removable cover; 35. a bump; 4. an auxiliary plate; 5. an air cushion; 50. and an air pipe.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

As shown in fig. 1-3, the mining dump truck body assembly comprises a truck frame 1, a hydraulic cylinder 2 and a truck hopper 3 which are arranged on the truck frame 1, wherein the hydraulic cylinder 2 drives one end of the truck hopper 3 to rotate around a hinge point of the truck hopper 3 and the truck frame 1, an auxiliary plate 4 is arranged in the truck hopper 3, the auxiliary plate 4 is attached to the inner side of a bottom plate of the truck hopper 3, a distance exists between the four peripheral edges of the auxiliary plate 4 and the inner wall of the truck hopper 3, the displacement of the auxiliary plate 4 is facilitated, ores are prevented from being blocked between the auxiliary plate 4 and the inner wall of the truck hopper 3, and the absence of ores below the auxiliary plate 4 can be ensured by arranging an air blowing mechanism, so that the auxiliary plate 4 can be overturned and reset smoothly;

the tail part of the inner side of the bottom plate of the car hopper 3 is also provided with a containing groove 31, a hinging seat 32 is arranged in the containing groove 31, and one side of the auxiliary plate 4, which is close to the tail part of the car frame 1, is connected with the hinging seat 32;

an air cushion 5 is arranged between the auxiliary plate 4 and the bottom plate of the car hopper 3, and the air cushion 5 expands and supports the auxiliary plate 4 upwards after air is supplied by the air source. The hydraulic cylinder 2 is positioned at the propping position of the hopper 3 and is positioned at the center of the bottom of the hopper 3 and is close to the bottom of the hopper 3, so that larger thrust can be achieved with smaller stroke; further, before the hydraulic cylinder 2 pushes the hopper 3 to overturn, the air source supplies air to the air cushion 5, the air cushion 5 expands, so that the auxiliary plate 4 is jacked up, the auxiliary plate 4 rotates around the hinging seat 32, when the auxiliary plate 4 overturns under the jacking of the air cushion 5, ores in the hopper 3 can be partially dumped, thus the working load of the hydraulic cylinder 2 can be reduced, and the hydraulic cylinder 2 can be placed at a position close to a hinging point as much as possible under the condition of using the hydraulic cylinder 2 of the same type, so that the whole hopper 3 can be overturned rapidly; the whole structure of the air cushion 5 and the air source is simple relative to the hydraulic cylinder 2, so that the auxiliary work of unloading of the hopper 3 can be well realized, and the working load of the hydraulic cylinder 2 is reduced.

The air source is communicated with the air cushion 5 through an air pipe 50, the air source is positioned at the bottom of the frame 1, and the air pipe 50 penetrates through the frame 1 and the hopper 3.

The left expansion amount of the air cushion 5 is larger than the right expansion amount of the air cushion 5, and the hinge seat 32 is positioned below the right side of the auxiliary plate 4. In this way, the auxiliary plate 4 can be tilted and turned over, facilitating the dumping of part of the ore.

The inner wall of the hopper 3 is also provided with a rotating shaft 33 and a movable cover plate 34, one side of the movable cover plate 34 is hinged to the rotating shaft 33, the other side of the movable cover plate 34 is erected on the auxiliary plate 4, and the length of the movable cover plate 34 is larger than the width of the auxiliary plate 4. The movable cover plate 34 can prevent ore from entering between the left side of the auxiliary plate 4 and the inner wall of the car hopper 3, and meanwhile, when the auxiliary plate 4 is overturned, the movable cover plate 34 can rotate under the cooperation of the rotating shaft 33, so that the state of covering the auxiliary plate 4 is kept.

The other side of the movable cover 34 is arc-shaped.

The contact part of the auxiliary plate 4 and the movable cover plate 34 is upwards protruded and is mutually abutted with the arc-shaped part of the movable cover plate 34. The movable cover plate 34 is arc-shaped, and the auxiliary plate 4 protrudes upwards, so that the auxiliary plate 4 and the movable cover plate 34 can rotate simultaneously, the movable cover plate 34 is prevented from being blocked after being in hard contact with the auxiliary plate 4, and the auxiliary plate 4 can rotate reliably.

The inner wall of the car hopper 3 is also provided with a protruding block 35, and the protruding block 35 is positioned in a space surrounded by the car hopper 3, the auxiliary plate 4 and the movable cover plate 34. Initially, the movable cover plate 34 contacts with the protruding blocks 35, and the movable cover plate 34 is inclined so as to rotate along with the auxiliary plate 4 when the auxiliary plate is turned over; when the auxiliary plate 4 comes into contact with the bump 35, the auxiliary plate 4 reaches the maximum expansion, and the hydraulic cylinder 2 can start to operate.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The mining dump truck body assembly comprises a truck frame (1) and a hydraulic cylinder (2) and a truck hopper (3) which are arranged on the truck frame (1), wherein the hydraulic cylinder (2) drives one end of the truck hopper (3) to rotate around a hinging point of the truck hopper (3) and the truck frame (1), and the mining dump truck body assembly is characterized in that an auxiliary plate (4) is arranged in the truck hopper (3), the auxiliary plate (4) is attached to the inner side of a bottom plate of the truck hopper (3), and a distance exists between the four peripheral edges of the auxiliary plate (4) and the inner wall of the truck hopper (3);

the tail part of the inner side of the bottom plate of the car hopper (3) is also provided with a containing groove (31), a hinging seat (32) is arranged in the containing groove (31), and one side of the auxiliary plate (4) close to the tail part of the car frame (1) is connected with the hinging seat (32);

an air cushion (5) is arranged between the auxiliary plate (4) and the bottom plate of the car hopper (3), and the air cushion (5) expands and supports the auxiliary plate (4) upwards after air is supplied by an air source.

2. The mining dump truck body assembly of claim 1, wherein: the air source is communicated with the air cushion (5) through an air pipe (50), the air source is positioned at the bottom of the frame (1), and the air pipe (50) penetrates through the frame (1) and the hopper (3).

3. The mining dump truck body assembly of claim 1, wherein: the left expansion amount of the air cushion (5) is larger than the right expansion amount of the air cushion (5), and the hinging seat (32) is positioned below the right side of the auxiliary plate (4).

4. The mining dump truck body assembly of claim 1, wherein: the novel car hopper is characterized in that a rotating shaft (33) and a movable cover plate (34) are further arranged on the inner wall of the car hopper (3), one side of the movable cover plate (34) is hinged to the rotating shaft (33), the other side of the movable cover plate (34) is erected on the auxiliary plate (4), and the length of the movable cover plate (34) is larger than the width of the auxiliary plate (4).

5. The mining dump truck body assembly of claim 4, wherein: the other side of the movable cover plate (34) is arc-shaped.

6. The mining dump truck body assembly of claim 5, wherein: the part of the auxiliary plate (4) contacted with the movable cover plate (34) is upwards protruded and is mutually abutted with the arc-shaped part of the movable cover plate (34).

7. The mining dump truck body assembly of claim 4, wherein: the inner wall of the car hopper (3) is also provided with a lug (35), and the lug (35) is positioned in a space surrounded by the car hopper (3), the auxiliary plate (4) and the movable cover plate (34).