CN217672325U - Underground mining dump truck and bidirectional dumping and discharging device thereof - Google Patents
Underground mining dump truck and bidirectional dumping and discharging device thereof Download PDFInfo
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- CN217672325U CN217672325U CN202222139498.2U CN202222139498U CN217672325U CN 217672325 U CN217672325 U CN 217672325U CN 202222139498 U CN202222139498 U CN 202222139498U CN 217672325 U CN217672325 U CN 217672325U
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- turnover
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- overturning
- oil cylinder
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Abstract
The utility model provides an underground mining dump truck and a bidirectional tipping unloading device thereof, the bidirectional tipping unloading device comprises a turnover shaft and an oil cylinder, the turnover shaft is arranged on the left side and the right side of the front and the back direction of an auxiliary frame, the bottom of a cargo box of the vehicle is provided with a turnover seat supported on each turnover shaft, the lower part of the oil cylinder is connected with an oil cylinder support on the auxiliary frame, and the upper part of the oil cylinder is connected with the bottom of the cargo box; the turnover shaft is rotatably supported on a turnover support beam of the auxiliary frame, the part of the turnover shaft for supporting the turnover seat is of a flat and round structure, an ear plate is arranged at the end part of the turnover shaft, an eccentric hole is arranged on the ear plate, and a first positioning hole and a second positioning hole which are matched with the eccentric hole are arranged on the turnover support beam; a round hole is formed in the overturning seat, the lower part of the round hole is connected with a notch, and the width of the notch is matched with the minimum width of the oblate structure of the overturning shaft; after the underground mining dump truck adopts the bidirectional dumping and discharging device, the problem of inconvenient discharging in the underground mining tunnel with limited space can be solved.
Description
Technical Field
The utility model belongs to the dump truck field, concretely relates to mining dump truck in pit and two-way tipper that tumbles.
Background
At present, underground mining dump trucks of various specifications mostly adopt a rear-tipping mode to lift and unload materials, and the container of the rear-tipping material-unloading mode has higher lifting height and poor transverse stability, can only unload materials outside a tunnel, and cannot meet the requirement of unloading height in an underground mining tunnel. Although the existing side-tipping dumper can meet the unloading requirement in a limited space, the existing side-tipping dumper mostly adopts single-side tipping materials, and the dump dumper is inconvenient to use because the dump in a tunnel is inconvenient to drive, and the unloading direction is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mining dump truck in pit and two-way tipper that tumbles to solve the limited mining tunnel in pit in space inconvenient problem of unloading.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a bidirectional overturning and discharging device of an underground mining dump truck comprises overturning shafts and oil cylinders, wherein the overturning shafts are arranged on the left side and the right side in the front-back direction of an auxiliary frame, four corners of the bottom of a cargo box of a vehicle are respectively provided with overturning seats supported on the overturning shafts, the lower parts of the oil cylinders are connected with oil cylinder supports on the auxiliary frame, and the upper parts of the oil cylinders are connected with the bottom of the cargo box; the turnover shaft is rotatably supported on a turnover support beam of the auxiliary frame, the part of the turnover shaft for supporting the turnover seat is of a flat and round structure, the end part of the turnover shaft extends out of the turnover support beam and is provided with an ear plate, an eccentric hole is arranged on the ear plate at a position deviating from the rotation center of the turnover shaft, the turnover support beam is provided with a first positioning hole and a second positioning hole which are matched with the eccentric hole for use, and the first positioning hole or the second positioning hole is connected with the eccentric hole by a locking pin after being aligned with the eccentric hole; the overturning seat is provided with a round hole capable of rotating around the overturning shaft, the lower part of the round hole is connected with a notch, and the width of the notch is adapted to the minimum width of the oblate structure of the overturning shaft, so that the overturning shaft can enter and exit the round hole through the notch of the overturning seat when the notch is consistent with the oblate direction of the overturning shaft.
The first positioning hole and the second positioning hole are threaded holes, and the locking pin is a locking bolt.
The turnover supporting beam is transversely fixed at the front part and the rear part of the auxiliary frame, mounting grooves are formed in the two ends of the turnover supporting beam, and when the turnover seat is supported on the turnover shaft, the turnover seat is located in the mounting grooves of the turnover supporting beam.
The two oil cylinders are respectively positioned at the front part and the rear part of the auxiliary frame.
The oil cylinder is rotatably connected with the bottom of the cargo compartment through an oil cylinder pin shaft.
The oil cylinder support is rotationally connected with the auxiliary frame, and the rotation axis of the oil cylinder support is parallel to the turnover shaft; the oil cylinder is rotatably connected with the container, and the rotating axis of the oil cylinder is parallel to the turnover shaft.
The underground mining dump truck comprises a truck chassis, an auxiliary frame and a cargo box, wherein the bidirectional overturning and discharging device is arranged between the cargo box and the auxiliary frame.
And side doors which are opened upwards are arranged on the left side and the right side of the container.
Two middle cross beams which are arranged at intervals from front to back are arranged between two auxiliary frame longitudinal beams of the auxiliary frame, and the oil cylinder support is rotatably arranged between the two middle cross beams.
The utility model has the advantages that: the utility model discloses a two-way tipper can select the direction of unloading according to the space requirement in the tunnel in the pit, realizes the two side tipper tippers of tipper packing box to need not to turn around the vehicle in the tunnel.
The utility model discloses an among the two-way dumping discharge apparatus, the design of breach can mutually support on the design of the oblate structure of trip shaft and the upset seat, when breach and oblate direction are unanimous, trip shaft and upset seat just can separate, and rotate the trip shaft and make on the upset seat breach inconsistent with the oblate direction of trip shaft, form certain angle, the portion that corresponds with the breach position on the trip shaft this moment has bigger width, be greater than the width of breach, consequently, trip shaft and upset seat separation just can be avoided, safety when guaranteeing the packing box and overturning.
Drawings
FIG. 1 is a bottom view of the underground mining dump truck according to the present invention;
FIG. 2 is a rear view of the container, the auxiliary frame and the bi-directional dumping and unloading device of the underground mining dump truck according to the present invention;
FIG. 3 is a left side tilting state diagram of the cargo box of the underground mining dump truck according to the present invention;
FIG. 4 is a right side tilting state diagram of the cargo box of the underground mining dump truck according to the present invention;
fig. 5 is a schematic view of the two-way tilting and discharging device of the present invention showing the non-tilting state of the tilting seat;
fig. 6 is a schematic diagram of the turning state of the turning seat in the bidirectional turning unloading device of the present invention;
fig. 7 is a schematic diagram of the position relationship between the oblate structure of the turning shaft and the notch of the turning seat in the turning state in the bidirectional turning discharging device.
The labels in the figure are: 1. the automobile body comprises an automobile chassis, 2, an auxiliary frame, 3, a cargo box, 4, an auxiliary frame longitudinal beam, 5, a turnover supporting beam, 6, a turnover shaft, 7, a middle cross beam, 8, an oil cylinder support, 9, an oil cylinder, 10, an oil cylinder pin shaft, 11, a turnover seat, 12, a locking bolt, 13, a cargo box left side door, 14, a cargo box right side door, 15, a locking pin, 16, an ear plate, 17, a notch, 18, an oblate structure, 19 and a plane.
Detailed Description
The following detailed description of the present invention is provided with reference to the accompanying drawings and examples, but not to be construed as limiting the present invention in any way.
Example 1: the device is mounted on the underground mining dump truck and used for double-side dumping and discharging of the underground mining dump truck, so that the vehicle can select the discharging direction according to the underground space without turning around underground.
The device mainly comprises turnover shafts 6 and oil cylinders 9, wherein the turnover shafts 6 are arranged on the left side and the right side of the front-back direction of the auxiliary frame 2 of the vehicle, so that four turnover shafts 6 are arranged in total and correspond to four corners of a supporting container 3. The lower part of the oil cylinder 9 is connected with the oil cylinder support 8 of the auxiliary frame 2, the upper part of the oil cylinder 9 is connected with the bottom of the cargo box 3, and the cargo box 3 is tilted towards the left side or the right side after the oil cylinder 9 is jacked up. The oil cylinder is arranged to be two which are arranged front and back.
Specifically, a transversely fixed turning support beam 5 is respectively arranged at the front and the rear of the auxiliary frame 2, mounting grooves are respectively arranged at the left end and the right end of the turning support beam 5, and two ends of the turning shaft 6 are rotatably supported at two sides of the mounting grooves of the turning support beam 5. Four corners of the bottom of the container 3 are respectively provided with a turnover seat 11, the turnover seats 11 are supported on the corresponding turnover shafts 6 one by one, and the turnover seats 11 are positioned in the mounting grooves at the end parts of the turnover support beams 5. As shown in fig. 7, the part of the roll-over shaft 6 for supporting the roll-over seat 11 is configured as an oblate structure 18, that is, two oppositely-arranged planes 19 are processed on the cylindrical surface of the roll-over shaft 6, so that the distance between the two planes 19 is smaller than the diameter of the cylindrical surface of the roll-over shaft 6, and the distance between the two planes is the minimum width of the oblate structure 18. At least one end of the turning shaft 6 extends out of the turning support beam 5 and is provided with an ear plate 16, an eccentric hole is formed in the ear plate 16 at a position deviating from the rotation center of the turning shaft 6, a first positioning hole A and a second positioning hole B which are used for being matched with the eccentric hole are formed in the turning support beam 5, and the first positioning hole A or the second positioning hole B is connected with the eccentric hole through a locking bolt 12 after being aligned with the eccentric hole. The overturning seat 11 is provided with a round hole capable of rotating around the overturning shaft 6, the lower part of the round hole is connected with a notch 17, and the width of the notch 17 is matched with the minimum width of the oblate structure of the overturning shaft 6.
The second positioning hole B is positioned on the outer side of the first positioning hole A, and the first positioning hole A and the second positioning hole B are positioned on the same circumference. When the container 3 is supported on the turnover shaft 6 through the turnover seat 11, the first positioning hole A is positioned on the turnover seat 11 under the notch 17, and the lug plate 16 is rotated to drive the eccentric hole to be aligned with the first positioning hole A or to be aligned with the second positioning hole B.
As shown in fig. 5, the ear plate 16 of the roll-over shaft 6 is rotated to make the direction of the gap on the roll-over seat 11 consistent with the direction of the oblate on the roll-over shaft 6, i.e. the plane of the oblate structure is parallel to the edge of the gap, at this time, the roll-over seat 11 can be separated from the roll-over shaft 6 through the gap. And at the moment, the eccentric hole is aligned to the first positioning hole A, the locking bolt 12 is used for connecting the eccentric hole and the first positioning hole A, the turnover shaft 6 can be locked, and the turnover seat 11 at the position can be separated from the turnover shaft 6 in the process of jacking the container 3 through the oil cylinder 9, so that the container 3 can be turned over. As shown in fig. 6, if the ear plate 16 is rotated to align the eccentric hole with the second positioning hole B, the direction of the flat circle on the roll-over seat 11 is inconsistent with the direction of the flat circle on the roll-over shaft 6 to form a certain included angle, at this time, the width of the roll-over shaft 6 in the direction perpendicular to the direction of the gap is greater than the width of the gap, so that the roll-over seat 11 cannot be separated from the roll-over shaft 6, the position of the roll-over shaft 6 is locked by using the locking bolt 12 to connect the eccentric hole with the second positioning hole B, and the roll-over shaft 6 will serve as a rotation support shaft for tilting the container 3 to support the tilting of the container 3.
Example 2: as shown in fig. 1 and 2, the underground mining dump truck of the utility model comprises a vehicle chassis 1, an auxiliary frame 2, a cargo box 3 and a bidirectional dumping and unloading device according to the embodiment 1.
The auxiliary frame 2 is arranged on a frame of a vehicle chassis 1, two auxiliary frame longitudinal beams 4 penetrate through the auxiliary frame 2 from front to back, and the overturning supporting beam 5 is arranged at the front part and the rear part of the auxiliary frame 2. The middle cross beam 7 is further installed between the two auxiliary frame longitudinal beams 4, two parallel middle cross beams 7 are arranged on the same side of each overturning support beam 5, the oil cylinder support 8 is fixed between the two middle cross beams 7, the cylinder body of the oil cylinder 9 is rotatably supported on the oil cylinder support 8, and the telescopic end of the oil cylinder 9 is rotatably connected to the bottom of the packing box 3 through an oil cylinder pin shaft 10. The left side and the right side of the container 3 are respectively provided with an upward-opening side door, and the side door on each side is locked by a locking pin 15 on the side surface of the cargo compartment 3.
In this embodiment, when the cargo box needs to be tilted to the left for discharging, as shown in fig. 3, the front and rear turning shafts 6 on the left side are rotated to align the eccentric hole on the ear plate 16 with the second positioning hole B at the left end of the turning support beam 5 and are fixed by the locking bolt, at this time, the notch at the lower part of the turning seat 11 on the left side of the cargo box 3 forms a certain angle with the oblate direction on the corresponding turning shaft 6, and the turning shaft 6 cannot fall off the turning seat 11 from the notch; meanwhile, the ear plates 16 of the front and rear overturning shafts 6 on the right side are fixed in the first positioning hole A at the right end of the overturning support beam 5 through the locking bolt 12, at the moment, the oblate directions of the overturning seat 11 notch on the right side of the container 3 and the overturning shaft 6 on the right side are consistent, and the overturning shaft 6 on the right side can be separated from the overturning seat 11 notch on the right side; and then, the locking pin 15 corresponding to the left door 13 of the container is opened, the oil cylinder 9 extends to jack up the container 3, the right side of the container 3 is lifted and tilted to the left side around the left turnover shaft 6, and the left door 13 of the cargo compartment is opened for discharging. After the unloading is finished, the oil cylinder 9 returns, the container 3 falls, the overturning seat 11 on the right side of the container 3 is supported on the overturning shaft 6 on the right side again, the left door 13 of the container is closed, the locking pin 15 is locked, and the left-side overturning and unloading is finished.
In this embodiment, when the cargo box needs to be tilted to the right for discharging, as shown in fig. 4, the front and rear two turnover shafts 6 on the right side are rotated to align the eccentric hole on the ear plate 16 with the second positioning hole B at the right end of the turnover support beam 5 and are fixed by the locking bolt 12, at this time, the gap at the lower part of the turnover seat 11 on the right side of the cargo box 3 and the oblate direction on the corresponding turnover shaft 6 form a certain angle, and the turnover shaft 6 cannot fall off the turnover seat 11 from the gap; meanwhile, the ear plates 16 of the front and rear overturning shafts 6 on the left side are fixed in the first positioning hole A at the left end of the overturning support beam 5 through the locking bolt 12, at the moment, the oblate directions of the notch of the overturning seat 11 on the left side of the container 3 and the overturning shaft 6 on the left side are consistent, and the overturning shaft 6 on the left side can be pulled out from the notch of the overturning seat 11 on the left side; and then, a locking pin 15 corresponding to the right side door 14 of the container is opened, the oil cylinder 9 extends to jack up the container 3, the left side of the container 3 is lifted, the container is tilted to the right side around the turnover shaft 6 on the right side, and the right side door 14 of the cargo compartment is opened for discharging. After the unloading is finished, the oil cylinder 9 returns, the container 3 falls, the overturning seat 11 on the left side of the container 3 is supported on the overturning shaft 6 on the left side again, the right side door 14 of the container is closed, and the locking pin 15 is locked, so that the right-side overturning and unloading are finished.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and it should be understood by those of ordinary skill in the art that the embodiments of the present invention can be modified or replaced with equivalents with reference to the above embodiments, and any modifications or equivalent substitutions which do not depart from the spirit and scope of the present invention are intended to be covered by the claims which are appended hereto.
Claims (9)
1. A bidirectional overturning and discharging device of an underground mining dump truck comprises overturning shafts and oil cylinders, wherein the overturning shafts are arranged on the left side and the right side in the front-back direction of an auxiliary frame, four corners of the bottom of a cargo box of a vehicle are respectively provided with overturning seats supported on the overturning shafts, the lower parts of the oil cylinders are connected with oil cylinder supports on the auxiliary frame, and the upper parts of the oil cylinders are connected with the bottom of the cargo box; the method is characterized in that: the turnover shaft is rotatably supported on a turnover support beam of the auxiliary frame, the part of the turnover shaft for supporting the turnover seat is of a flat and round structure, the end part of the turnover shaft extends out of the turnover support beam and is provided with an ear plate, an eccentric hole is arranged on the ear plate at a position deviating from the rotation center of the turnover shaft, the turnover support beam is provided with a first positioning hole and a second positioning hole which are matched with the eccentric hole for use, and the first positioning hole or the second positioning hole is connected with the eccentric hole by a locking pin after being aligned with the eccentric hole; the overturning seat is provided with a round hole capable of rotating around the overturning shaft, the lower part of the round hole is connected with a notch, and the width of the notch is adapted to the minimum width of the oblate structure of the overturning shaft, so that the overturning shaft can enter and exit the round hole through the notch of the overturning seat when the notch is consistent with the oblate direction of the overturning shaft.
2. The bidirectional tipping and discharging device of the underground mining dump truck according to claim 1, characterized in that: the first positioning hole and the second positioning hole are threaded holes, and the locking pin is a locking bolt.
3. The bidirectional tipping and discharging device of the underground mining dump truck according to claim 1, characterized in that: the turnover supporting beam is transversely fixed at the front part and the rear part of the auxiliary frame, mounting grooves are formed in the two ends of the turnover supporting beam, and when the turnover seat is supported on the turnover shaft, the turnover seat is positioned in the mounting grooves of the turnover supporting beam.
4. The bidirectional dumping discharging device of the underground mining dump truck according to claim 1, characterized in that: the two oil cylinders are respectively positioned at the front part and the rear part of the auxiliary frame.
5. The bidirectional dumping discharging device of the underground mining dump truck according to claim 1, characterized in that: the oil cylinder is rotatably connected with the bottom of the cargo compartment through an oil cylinder pin shaft.
6. The bidirectional tipping and discharging device of the underground mining dump truck according to claim 1, characterized in that: the oil cylinder support is rotationally connected with the auxiliary frame, and the rotation axis of the oil cylinder support is parallel to the turnover shaft; the oil cylinder is rotatably connected with the container, and the rotating axis of the oil cylinder is parallel to the turnover shaft.
7. The utility model provides a mining dump truck in pit, includes vehicle chassis, sub vehicle frame and packing box, its characterized in that: the bidirectional dumping and unloading device as defined in any one of claims 1 to 6 is arranged between the container and the auxiliary frame.
8. The underground mining dump truck according to claim 7, characterized in that: and side doors which are opened upwards are arranged on the left side and the right side of the container.
9. The underground mining dump truck according to claim 7, characterized in that: two middle cross beams which are arranged at intervals from front to back are arranged between two auxiliary frame longitudinal beams of the auxiliary frame, and the oil cylinder support is rotatably arranged between the two middle cross beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139498.2U CN217672325U (en) | 2022-08-15 | 2022-08-15 | Underground mining dump truck and bidirectional dumping and discharging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139498.2U CN217672325U (en) | 2022-08-15 | 2022-08-15 | Underground mining dump truck and bidirectional dumping and discharging device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217672325U true CN217672325U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222139498.2U Active CN217672325U (en) | 2022-08-15 | 2022-08-15 | Underground mining dump truck and bidirectional dumping and discharging device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217672325U (en) |
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2022
- 2022-08-15 CN CN202222139498.2U patent/CN217672325U/en active Active
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