Hydraulic side dumping type mine car for mine field

Abstract

A hydraulic side dumping type mine car for a mine field comprises a chassis and a compartment body, a bearing frame is fixed to the chassis, a round groove is formed in the top of the bearing frame, a round bottom is connected to the bottom of the compartment body and placed on the round groove, a first rotating shaft is arranged in the middle of the top of the compartment body, two side doors are rotationally arranged on the first rotating shaft, and cantilevers are connected to the side doors. The cantilever is rotationally arranged on the first rotating shaft, the end of the cantilever is rotationally connected with a first connecting rod, and the round bottom end is rotationally connected with the end of the first connecting rod through a second connecting rod; a shaft seat is arranged on the chassis, a locking mechanism is arranged on the shaft seat, and the rotating positions of the first connecting rod and the second connecting rod are positioned on the shaft seat. According to the hydraulic side dumping type mine car, the side door on any side can be opened for unloading; a discharging plate is carried on the mine car, and during discharging, the discharging plate on the discharging side guides mineral aggregate to be away from the track.

Description

Technical Field

[0001] The invention relates to the field of mining vehicles, and in particular to a hydraulic side-dumping mining vehicle used in a mine. Background Art

[0002] The hydraulic side-unloading mine car is a kind of transportation equipment specially designed for mines and tunnel engineering. It is mainly used for efficient loading and unloading of loose materials such as ore, coal, slag, etc. The hydraulic side-unloading mine car is based on Pascal's law and realizes side unloading through hydraulic transmission. The hydraulic pump pressurizes the oil to 10-30MPa and delivers it to the control valve. The valve group is operated, and the high-pressure oil enters the rodless chamber of the oil cylinder. The piston rod extends, the lifting car tilts, and the side door opens automatically with the tilt. The material slides out along the gravity. Some designs require manual unlocking of the side door. The single unloading time can be as short as 1-2 minutes, which is much faster than the traditional bucket-type mine car. After unloading, the direction of the valve group is switched, the oil enters the rod chamber, the piston rod retracts, and the car falls back to the horizontal position and is locked.

[0003] Therefore, the hydraulic side-unloading mine car has the advantages of fast unloading speed, no need for auxiliary equipment, and flexible adaptation to site restrictions. It is especially suitable for scenes with narrow space or precise unloading. Side unloading can reduce material residue and is convenient for cleaning after unloading. However, the current hydraulic side-unloading mine car is fixed on the side, that is, only one side can be fixed for unloading. For actual conditions, it is sometimes necessary to unload on both sides. The hydraulic side-unloading mine car provided by the present invention can realize unloading on either side. Summary of the invention

[0004] According to the problems raised in the background technology, the present invention provides a hydraulic side-dumping mining car for use in a mine to solve the problems. The present invention will be further described below.

[0005] A hydraulic side-unloading mining car for use in a mine comprises a chassis and a body, a load-bearing frame is fixed on the chassis, a circular groove is provided on the top of the load-bearing frame, a circular bottom is connected to the bottom of the body, the circular bottom is placed on the circular groove, a first rotating shaft is provided in the middle of the top of the body, two side doors are rotatably provided on the first rotating shaft, a cantilever is connected to the side door, the cantilever is rotatably arranged on the first rotating shaft, a first connecting rod is rotatably connected to the end of the cantilever, and the circular bottom end is rotatably connected to the end of the first connecting rod through a second connecting rod; an axle seat is provided on the chassis, a locking mechanism is provided on the axle seat, and the rotation point of the first connecting rod and the second connecting rod is positioned on the axle seat; a screw is rotatably provided on the chassis, a pump seat is matched on the screw, a first slide groove is provided on the chassis, one side of the pump seat is slidably provided in the first slide groove, a hydraulic pump is provided on the pump seat, a second slide groove is provided at the bottom of the body, a first slider is slidably provided on the second slide groove, a connecting ear is provided on the first slider, an output end of the hydraulic pump is rotatably connected to the connecting ear, a motor is connected to the chassis, and one end of the screw rod is connected to the output shaft of the motor.

[0006] Further, the locking mechanism includes an electric push rod connected to the bottom of the shaft seat. A T-shaped frame is connected to the output shaft of the electric push rod. A latch is connected to the T-shaped frame, and a pin hole is provided on the second connecting rod. An ear seat is connected to the shaft seat, and a pin hole coaxial with the second connecting rod is provided on the ear seat. The latch penetrates through the pin holes on the ear seat and the second connecting rod at the same time, fixing the rotation position of the first connecting rod and the second connecting rod on the shaft seat. The function of the ear seat is to bear the locking load and prevent the locking load from directly acting on the electric push rod.

[0007] Further, a U-shaped seat is provided on the chassis. The round bottom is placed on the U-shaped seat, and the round bottom extends outside the U-shaped seat. The function of the U-shaped seat is to limit the box body during operation, and one end of the round bottom extending outside the U-shaped seat serves as the acting part of the hoisting system.

[0008] Further, a guide post is provided on the chassis. A counterweight plate is slidably arranged on the guide post, and the counterweight plate is connected to the pump seat. The counterweight plate is designed to balance the center of gravity of the whole vehicle during unloading to prevent the ore truck from tipping over.

[0009] Further, a support ear is provided on the chassis. A discharge plate is rotatably connected to the support ear, and a torsion spring is provided between the discharge plate and the support ear. The discharge plate on the discharge side is designed to discharge the ore to a position away from the wheels to prevent the ore from accumulating at the wheels.

[0010] Further, a ring groove and a clamping groove communicating with the ring groove are provided at the end of the discharge plate. A clamping block is slidably arranged at the clamping groove. A support is connected to the chassis, and a sliding rod is slidably arranged on the support. A limit cap is connected to one end of the sliding rod, and a wedge head is connected to the other end. A connecting frame is connected to the clamping block. The sliding rod penetrates through the connecting frame. The connecting frame is slidably matched with the support, and a spring sleeved outside the sliding rod is provided between the connecting frame and the support. A movable ejector rod is provided on the chassis, and the ejector rod is controlled to linearly displace to squeeze the wedge head. It is designed to avoid the discharge plate from flipping and resetting under the action of the torsion spring at the end of unloading, leaving a passage for personnel to enter the box body.

[0011] Further, the ejector rod penetrates through the U-shaped seat. A rotating rod is rotatably arranged on the chassis. A third sliding groove is provided on the rotating rod, and second sliders are respectively provided at both ends of the third sliding groove. Connecting arms are connected to both the ejector rod and the pump seat, and both connecting arms are rotatably connected to the second sliders. It is designed to control the action of the ejector rod in a mechanically linked manner without adding a separate control device.

[0012] Further, anti-slip ribs are provided on the discharge plate. Personnel can enter the box body by stepping on the anti-slip ribs on the inclined discharge plate.

[0013] Beneficial effects: Compared with the prior art, the hydraulic side-dumping mine car of the present invention can open the side door on either side for discharging; a discharge plate is mounted on the mine car, and when discharging, the discharge plate on the discharging side guides the ore away from the track; on the one hand, the pump base drives the counterweight plate to move to prevent the mine car from tipping over, and on the other hand, it drives the ejector rod to act to lock the discharge plate during discharging to prevent it from resetting at the end stage of discharging, facilitating personnel to enter the box body to clean the residual ore. Description of the Drawings

[0014] Figure 1 : Structural schematic diagram of the hydraulic side-dumping mine car of the present invention; Figure 2 : Structural schematic diagram of the chassis; Figure 3 : Structural schematic diagram of the box body and the side door; Figure 4 : Structural schematic diagram of the pump base; Figure 5 : Figure 1 Enlarged schematic diagram of the structure at A in ; Figure 6 : Discharging schematic diagram of the hydraulic side-dumping mine car of the present invention; In the figure: chassis 1, first chute 101, load-bearing frame 2, round groove 201, box body 3, round bottom 301, first rotating shaft 4, side door 5, cantilever 6, first connecting rod 7, second connecting rod 8, pin hole 801, shaft seat 9, electric push rod 10, T-shaped frame 11, bolt 12, ear seat 13, screw rod 14, pump base 15, hydraulic pump 16, first slider 17, connecting ear 18, motor 19, U-shaped seat 20, counterweight plate 21, guide post 22, support ear 23, torsion spring 24, clamping block 25, support 26, sliding rod 27, limit cap 28, wedge head 29, connecting frame 30, spring 31, ejector rod 32, rotating rod 33, third chute 331, second slider 34, connecting arm 35, discharge plate 36, ring groove 361, clamping groove 362, stepping rib 363, limiting member 37. Detailed Description of the Invention

[0015] Next, a specific embodiment of the present invention will be elaborated in detail with reference to the attached Figures 1-6 drawings.

[0016] Referring to the attached Figures 1-2 drawings, a hydraulic side-dumping mine car for a mine includes a chassis 1 running on a predetermined track or road. A load-bearing frame 2 is fixed on the chassis 1, and a round groove 201 is provided at the top of the load-bearing frame 2. A rotatable box body 3 is carried on the load-bearing frame 2. The box body 3 is U-shaped with both sides open, and integral round bottoms 301 are provided at both bottoms. The round bottoms 301 are placed on the round grooves 201, achieving the purpose of carrying the box body 3 while retaining the rotational freedom on both sides of the box body 3.

[0017] Referring to the attachedFigures 1-4 In the middle of the top of the box body 3, a first rotating shaft 4 is provided. On the first rotating shaft 4, two side doors 5 are rotatably provided. A cantilever 6 is connected to the side door 5. The cantilever 6 is rotatably arranged on the first rotating shaft 4, and the end of the cantilever 6 is rotatably connected to a first connecting rod 7. The end of the round bottom 301 is rotatably connected to the end of the first connecting rod 7 through a second connecting rod 8. On the chassis 1, a shaft seat 9 is also provided. The rotating connection part of the first connecting rod 7 and the second connecting rod 8 can be placed on the shaft seat 9. The bottom of the shaft seat 9 is connected to an electric push rod 10. On the output shaft of the electric push rod 10, a T-shaped frame 11 is connected. A bolt 12 is connected to the T-shaped frame. A pin hole 801 is provided on the second connecting rod 8. The bolt 12 can be fitted into the pin hole 801. An ear seat 13 is connected to the shaft seat 9. A pin hole coaxial with the second connecting rod 8 is provided on the ear seat 13. The bolt 12 penetrates through the pin holes on the ear seat 13 and the second connecting rod 8 at the same time. A screw rod 14 is rotatably provided on the chassis 1. A pump seat 15 is fitted on the screw rod 14. A first chute 101 is provided on the chassis 1. One end of the pump seat 15 is slidably arranged in the first chute 101. A hydraulic pump 16 is provided on the pump seat 15. A second chute 301 is provided at the bottom of the box body 3. A first slider 17 is slidably arranged on the second chute 301. A connecting ear 18 is provided on the first slider 17. The output end of the hydraulic pump 16 is rotatably connected to the connecting ear 18. A motor 19 is also connected to the chassis 1. One end of the screw rod 14 is connected to the output shaft of the motor 19.

[0018] In the present invention, both side doors 5 can be independently opened, and the structural principles for controlling the opening of the side doors 5 are exactly the same. In this embodiment, taking one side as an example, for the convenience of distinction, the opened side is used as the unloading side, and the unopened side is used as the non-unloading side. The principle of opening the unloading side is as follows: After the hydraulic side-dumping mine car reaches the unloading position, the motor 19 is started. The motor 19 drives the screw rod 14 to rotate, and then drives the pump seat 15 to slide on the chassis 1 towards the non-unloading side. When the pump seat 15 reaches one end of the non-unloading side, the second connecting rod 8 directly connected to the unloading side is locked on the shaft seat 9, that is, the electric push rod 10 acts to penetrate the bolt 12 through the pin holes on the ear seat 13 and the second connecting rod 8. The function of the ear seat 13 is to bear the locking load and prevent the locking load from directly acting on the electric push rod 10. The hydraulic pump 16 acts to lift the non-unloading side of the box body 3, and the box body 3 tilts towards the unloading side. The round bottom 301 of the box body 3 rotates relative to the round groove 201 on the chassis 1. During the rotation of the box body 3, while the second connecting rod 8 rotates around the shaft seat 9, it pulls the first connecting rod 7 to rotate around the first rotating shaft 4, so that the side door 5 on the unloading side is opened, and the ore in the box body 3 is unloaded from the unloading side. For the side door 5 on the non-unloading side, the first connecting rod 7 and the second connecting rod 8 connected to it remain in the relative position unchanged and maintain the closed state.

[0019] Refer to the appendix Figure 5A U-shaped seat 20 is provided on the chassis 1, and the round bottom 301 can be placed on the U-shaped seat 20. The round bottom 301 extends outside the U-shaped seat 20. The function of the U-shaped seat 20 is to limit the car body 3 during operation. At the same time, one end of the round bottom 301 extending outside the U-shaped seat 20 serves as the action part of the lifting system, and the car body 3 can be lifted to the chassis 1.

[0020] Reference Figure 2 and 4 During the unloading process, the center of gravity of the body 3 moves toward the unloading side. In this embodiment, a counterweight plate 21 that moves toward the non-unloading side is provided to balance the center of gravity of the vehicle to prevent the mine car from overturning. Specifically, a guide column 22 is provided on the chassis 1, and a counterweight plate 21 is slidably provided on the guide column 22, and the counterweight plate 21 is controlled to move toward the non-unloading side.

[0021] Furthermore, from the aforementioned description of the action of the pump seat 15, it can be seen that the action of the counterweight plate 21 is consistent with that of the pump seat 15. Therefore, this embodiment does not add an independent driving source to control the action of the counterweight plate 21. The specific scheme is as follows: the counterweight plate 21 is directly connected to the pump seat 15, and the counterweight plate 21 and the pump seat 15 act synchronously.

[0022] Reference Figures 5-6 In the unloading process, it is generally necessary to place an unloading plate 36 on the unloading side to unload the ore to a position away from the wheels to avoid the ore piling up at the wheels, especially when the mine car is running on the track. In this embodiment, the unloading plate 36 is connected to the chassis 1 and travels with the car to avoid manually setting up the unloading plate 36. Specifically, both ends of the two sides of the chassis 1 are provided with support ears 23, and the unloading plate 36 is rotatably connected to the support ears 23, and a torsion spring 24 is provided between the unloading plate 36 and the support ears 23.

[0023] During the travel of the hydraulic side-unloading mining car, the unloading plate 36 is pressed on the side door 5 by the torsion spring 24 and moves with the vehicle. During unloading, at the beginning of unloading, the side door 5 is linked to open under the action of the hydraulic pump 16. During the opening process, the side door 5 pushes the unloading plate 36 open. When the body 3 is tilted to a certain angle, the ore is unloaded from the opening on the unloading side. The weight of the ore presses on the unloading plate 36, causing the unloading plate 36 to flip to the surface, and the subsequent ore is directly unloaded from the unloading plate 36.

[0024] A limit member 37 is also connected to the chassis 1, and the function of the limit member 37 is to limit the unloading plate 36 from rotating toward the compartment 3, so that the unloading plate 36 on the non-unloading side will not rotate to the top of the chassis under the action of the torsion spring 24, thereby hindering the side door 5 on the non-unloading side from resetting.

[0025] At the end of unloading, it is necessary to manually clean the ore remaining in the body 3 and the ore covering the unloading plate 36. At this time, it is necessary to maintain the unloading plate 36 in an inclined unloading state to prevent the unloading plate 36 from turning over and resetting under the free force of the torsion spring 24. This embodiment adopts the following technical scheme: an annular groove 361 and a clamping groove 362 connected to the annular groove 361 are provided at the end of the unloading plate 36, and a clamping block 25 is slidably provided at the clamping groove 362; a bracket 26 is connected to the chassis 1, and a slide bar 27 is slidably provided on the bracket 26, one end of the slide bar 27 is connected to the limiting cap 28, and the other end is connected to the wedge head 29; a connecting frame 30 is connected to the clamping block 25, the slide bar 27 passes through the connecting frame 30, the connecting frame 30 and the bracket 26 are slidably matched, and a spring 31 is provided between the connecting frame 30 and the bracket 26 and is sleeved outside the slide bar 27; a movable push rod 32 is provided on the chassis 1, and the push rod 32 is controlled to move linearly to squeeze the wedge head 29.

[0026] Before the unloading plate 36 unloads, the wedge head 29 is in the annular groove 361 and is misaligned with the card slot 362. When the unloading plate 36 is in a tilted unloading state, the wedge head 29 is aligned with the card slot 362, and the push rod 32 is controlled to extend and squeeze the wedge head 29 in a straight line. The wedge head 29 retreats to compress the spring 31 and the connecting frame 30 retreats, and the card block 25 is clamped into the card slot 362. At this time, the rotational freedom of the unloading plate 36 is limited to maintain the unloading plate 36 in a tilted state.

[0027] The scheme for the controlled displacement of the push rod 32 is as follows: the push rod 32 passes through the U-shaped seat 20, and the U-shaped seat 20 has a guiding function for the push rod 32. A rotating rod 33 is rotatably provided on the chassis 1, and a third sliding groove 331 is provided on the rotating rod 33. Second sliding blocks 34 are respectively provided at both ends of the third sliding groove 331. Connecting arms 35 are connected to the push rod 32 and the pump seat 15, and the two connecting arms 35 are rotatably connected to the second sliding block 34.

[0028] During the movement of the pump seat 15 to the non-discharging side, the hydraulic pump 16 can be activated, and the lifting box 3 can be slowly tilted to the discharging side to speed up the discharging process. At this time, the pump seat 15 is linked to the rotating rod 33 through the connecting arm 35 to rotate, and then the push rod 32 is linked to move to the discharging side. When the ore is discharged, the unloading plate 36 is pressed between the box 3 and the ground surface in an inclined state, and the pump seat 15 is still in the process of moving to the non-discharging side. When the pump seat 15 is in place, the push rod 32 squeezes the wedge head 29, and the block 25 is linked to the card slot 362. In this solution, no separate control device is added, and the action of the push rod 32 is controlled by mechanical linkage, and the action is determined and accurate.

[0029] Reference Figure 6, after the discharging is completed, the side door 5 on the discharging side is kept open. After the discharging plate 36 is restricted from rotating, it is necessary for workers to enter the box body 3 to clean the remaining ore. Since ore trucks are generally huge in size, in order to facilitate the entry of workers into the box body 3, in this embodiment, tread ribs 363 are provided on the discharging plate 36, and workers can enter the box body 3 by stepping on the tread ribs 363 on the inclined discharging plate 36.

[0030] After the discharging is completed and the box body 3 is cleaned, the hydraulic pump 16 operates to first reset the box body 3 and the side door 5, and then the pump seat 15 is reset. During the resetting process of the pump seat 15, on the one hand, the counterweight plate 21 is linked to be reset, and on the other hand, the ejector rod 32 is linked to be reset. After the discharging plate 36 is unlocked, it is reset, aiming to maintain the action sequence that the side door 5 is reset prior to the discharging plate 36.

[0031] The hydraulic side-dumping ore truck of the present invention can open the side door on any side for discharging; a discharging plate is mounted on the ore truck. During discharging, the discharging plate on the discharging side guides the ore away from the track; the pump seat, on the one hand, links the counterweight plate to move to prevent the ore truck from tipping over, and on the other hand, links the ejector rod to act to lock the discharging plate during discharging to prevent it from resetting at the end stage of discharging, facilitating workers to enter the box body to clean the remaining ore.

[0032] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A hydraulic side-dumping mining vehicle for use in a mine, comprising a chassis (1) and a vehicle body (3), characterized in that: A load-bearing frame (2) is fixed on the chassis (1), a circular groove (201) is provided on the top of the load-bearing frame (2), a circular bottom (301) is connected to the bottom of the body (3), the circular bottom (301) is placed on the circular groove (201), a first rotating shaft (4) is provided in the middle of the top of the body (3), two side doors (5) are rotatably provided on the first rotating shaft (4), a cantilever (6) is connected to the side door (5), the cantilever (6) is rotatably provided on the first rotating shaft (4), a first connecting rod (7) is rotatably connected to the end of the cantilever (6), and the end of the circular bottom (301) is rotatably connected to the end of the first connecting rod (7) via a second connecting rod (8); an axle seat (9) is provided on the chassis (1), and a locking mechanism is provided on the axle seat (9) to lock the first connecting rod (7) and the second connecting rod (7) together. The rotation point of (8) is positioned on the shaft seat (9); a screw rod (14) is rotatably provided on the chassis (1), and a pump seat (15) is matched on the screw rod (14); a first slide groove (101) is provided on the chassis (1), and one side of the pump seat (15) is slidably arranged in the first slide groove (101); a hydraulic pump (16) is provided on the pump seat (15); a second slide groove (301) is provided at the bottom of the compartment (3), and a first slide block (17) is slidably arranged on the second slide groove (301); a connecting ear (18) is provided on the first slide block (17); an output end of the hydraulic pump (16) is rotatably connected to the connecting ear (18); a motor (19) is connected to the chassis (1), and one end of the screw rod (14) is connected to the output shaft of the motor (19).

2. The hydraulic side-dumping mining car according to claim 1 is characterized in that: The locking mechanism comprises an electric push rod (10) connected to the bottom of the shaft seat (9); a T-shaped frame (11) is connected to the output shaft of the electric push rod (10); a latch pin (12) is connected to the T-shaped frame; a pin hole (801) is provided on the second connecting rod (8); an ear seat (13) is connected to the shaft seat (9); and a pin hole coaxial with the second connecting rod (8) is provided on the ear seat (13).

3. The hydraulic side-dumping mining vehicle according to claim 2 is characterized in that: A U-shaped seat (20) is provided on the chassis (1), and the round bottom (301) is placed on the U-shaped seat (20), with the round bottom (301) extending outside the U-shaped seat (20).

4. The hydraulic side-dumping mining vehicle according to claim 3 is characterized in that: The chassis (1) is provided with a guide column (22), a counterweight plate (21) is slidably arranged on the guide column (22), and the counterweight plate (21) is controlled to move toward the non-discharging side.

5. The hydraulic side-dumping mining vehicle according to claim 4 is characterized in that: The counterweight plate (21) is connected to the pump seat (15).

6. The hydraulic side-dumping mining vehicle according to claim 4, characterized in that: The chassis (1) is provided with a support ear (23), a discharge plate (36) is rotatably connected to the support ear (23), a torsion spring (24) is provided between the discharge plate (36) and the support ear (23), and a limiting member (37) is also connected to the chassis.

7. The hydraulic side-dumping mining vehicle according to claim 6, characterized in that: The end of the discharge plate (36) is provided with an annular groove (361) and a clamping groove (362) connected to the annular groove (361), and a clamping block (25) is slidably provided at the clamping groove (362); the chassis (1) is connected with a bracket (26), and a sliding rod (27) is slidably provided on the bracket (26), one end of the sliding rod (27) is connected to a limiting cap (28), and the other end is connected to a wedge head (29); the clamping block (25) is connected with a connecting frame (30), the sliding rod (27) passes through the connecting frame (30), the connecting frame and the bracket are slidably matched, and a spring (31) sleeved on the outside of the sliding rod (27) is provided between the connecting frame (30) and the bracket (26); the chassis (1) is provided with a movable push rod (32), and the push rod (32) is controlled to move linearly to squeeze the wedge head (29).

8. The hydraulic side-dumping mining vehicle according to claim 7, characterized in that: The push rod (32) passes through the U-shaped seat (20); a rotating rod (33) is rotatably provided on the chassis (1); a third slide groove (331) is provided on the rotating rod (33); second sliders (34) are respectively provided at both ends of the third slide groove (331); connecting arms (35) are connected to the push rod (32) and the pump seat (15); and the connecting arms (35) are rotatably connected to the second slider (34).

9. The hydraulic side-dumping mining vehicle according to any one of claims 6 to 8, characterized in that: The discharge plate (36) is provided with a treading rib (363).

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