CN220015171U - Tunnel rock drilling safety protection trolley - Google Patents
Tunnel rock drilling safety protection trolley Download PDFInfo
- Publication number
- CN220015171U CN220015171U CN202320885125.1U CN202320885125U CN220015171U CN 220015171 U CN220015171 U CN 220015171U CN 202320885125 U CN202320885125 U CN 202320885125U CN 220015171 U CN220015171 U CN 220015171U
- Authority
- CN
- China
- Prior art keywords
- net bag
- workstation
- safety protection
- tunnel
- workbench
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- 239000011435 rock Substances 0.000 title claims abstract description 29
- 238000005553 drilling Methods 0.000 title claims description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to the technical field of tunnel safety operation, and particularly relates to a self-cleaning protection trolley for a tunnel rock burst section. The device comprises a framework, a protective net bag and a top plate, wherein a first workbench is arranged on the inner side of the framework, a sliding block is connected onto the first workbench in a sliding manner, one side of the protective net bag is connected with one side of the sliding block through a rotating shaft, and a first hydraulic cylinder is arranged on the other side of the protective net bag; the top of skeleton is equipped with the backup pad, and the bottom of backup pad is connected with the third workstation through the second pneumatic cylinder, and the top of backup pad is connected with the roof through restoring force spring. The protection net bag can also prevent a part of falling rocks from rebounding after receiving the impact of the falling rocks, so that the falling rocks are prevented from sliding off from the side part of the protection plate, and the probability that the falling rocks hurt constructors is reduced. When the protection net bag is filled with rocks, the first hydraulic cylinder can overturn the protection net bag to pour out the rocks in the protection net bag, and an operator is not required to manually clean the protection net bag.
Description
Technical Field
The utility model belongs to the technical field of tunnel safety operation, and particularly relates to a self-cleaning protection trolley for a tunnel rock burst section.
Background
In railway construction, tunnels are always an important construction link, and the work of constructing tunnels is more and more along with the extension of a railway network to northwest and southwest mountain areas of China. When a tunnel is constructed in mountain areas, such as a river and a Tibetan railway to be constructed, the tunnel construction safety and progress are severely restricted by unfavorable geology such as large deformation of soft rock, rock burst and the like in the areas. The drilling and blasting method is used as a high-adaptability construction method for tunnel construction, and is widely applied in the process of tunnel construction, but the problems of surrounding rock collapse, rock collapse and the like of an unsupported section behind a tunnel face can not be completely overcome all the time, so that the problem of endangering the life safety of workers can be caused.
Currently, when establishing a tunnel, a protection trolley is arranged in the tunnel and comprises two cross beams and four wheels, wherein each two wheels are arranged at the lower part of one cross beam, and the protection trolley can move in the tunnel under the rotation action of the wheels. When working in the tunnel, the protection trolley is kept still in the tunnel, and when unexpected conditions such as surrounding rock collapse and the like occur, the working personnel can enter the protection cabin in the trolley and drive the trolley to escape from the tunnel.
In the application, the operation trolley is found that a worker needs to operate below a trolley bedplate in actual use, and sometimes rock peeled off from a rock wall is easy to hurt the worker; furthermore, the rock remained on the protective net of the trolley needs to be manually cleaned, so that the cleaning efficiency is poor; secondly, current operation platform truck roof and bracket are all rigid connection, can cause the damage of certain degree to the roof when having great rock to drop, have reduced operation platform truck's life.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the utility model provides a tunnel operation safety protection platform truck, has solved the rock that remains on the protection net of current platform truck and has needed manual clearance, the relatively poor problem of cleaning efficiency.
The self-cleaning protection trolley for the tunnel rock burst section comprises a framework, a protection net bag and a top plate, wherein a first workbench is arranged on the inner side of the framework, a sliding block is connected onto the first workbench in a sliding manner, one side of the protection net bag is connected with one side of the sliding block through a rotating shaft, and a first hydraulic cylinder is arranged on the other side of the protection net bag; the top of skeleton is equipped with the backup pad, and the bottom of backup pad is connected with the third workstation through the second pneumatic cylinder, and the top of backup pad is connected with the roof through restoring force spring.
Further, the bottom of slider passes through spout and first workstation sliding connection, and the symmetry of slider is established in the both sides of first workstation, and the inboard of slider is equipped with biax positive and negative rotation motor, and the both sides of biax positive and negative rotation motor are connected with screw, and screw runs through the slider.
Further, the both sides symmetry of roof is equipped with the removal baffle, and the removal baffle passes through the connecting rod to be connected with the third workstation, and the inboard of connecting rod is equipped with the third pneumatic cylinder, and the one end of third pneumatic cylinder is articulated with the removal baffle, and the third pneumatic cylinder is articulated with the upper surface of third workstation.
Preferably, the upper portion of first workstation is equipped with the second workstation, and the second workstation also is equipped with slider, protection string bag and biax positive and negative rotation motor.
Preferably, the upper surfaces of the movable guide plate and the top plate are both provided with polyethylene wear-resistant pads.
Further, an extension plate is arranged at the joint of the movable guide plate and the top plate.
Further, the bottom of skeleton is equipped with the mounting panel, is equipped with synchronous motor on the mounting panel, and synchronous motor passes through the chain with the gyro wheel that skeleton bottom was equipped with to be connected.
In summary, by adopting the technical scheme, the utility model has the beneficial technical effects that:
a self-cleaning protection platform truck for tunnel rock burst section, the opposite side of protection string bag is equipped with first pneumatic cylinder, and first pneumatic cylinder can be with the rock in the protection string bag upset pouring protection string bag when filling with rock in the protection string bag, need not the manual clearance of operating personnel.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a left side schematic view of fig. 1 in accordance with the present utility model.
Fig. 3 is a top view of fig. 1 of the present utility model.
Fig. 4 is a schematic perspective view of the present utility model.
In the figure: the device comprises a framework 1, a first workbench 2, a second workbench 3, a third workbench 4, a movable guide plate 5, a top plate 6, a sliding block 7, a protective net bag 8, a double-shaft forward and reverse rotation motor 9, a sliding chute 10, a supporting plate 11, a second hydraulic cylinder 12, a restoring force spring 13, a synchronous motor 14, a first hydraulic cylinder 15, a rotating shaft 16, a connecting rod 17 and a third hydraulic cylinder 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the following examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In this embodiment, as shown in fig. 1-4, a self-cleaning protection trolley for a tunnel rock burst section comprises a framework 1, a protection net bag 8 and a top plate 6, wherein a first workbench 2 is arranged on the inner side of the framework 1, a sliding block 7 is connected to the first workbench 2 in a sliding manner, one side of the protection net bag 8 is connected with one side of the sliding block 7 through a rotating shaft 16, a first hydraulic cylinder 15 is arranged on the other side of the protection net bag 8, and when the protection net bag 8 is filled with rock, the first hydraulic cylinder 15 is used for overturning the protection net bag 8 and pouring out the rock in the protection net bag 8; the top of skeleton 1 is equipped with backup pad 11, and the bottom of backup pad 11 is connected with third workstation 4 through second pneumatic cylinder 12, and the top of backup pad 11 is connected with roof 6 through restoring force spring 13, and second pneumatic cylinder 12 is used for the lift of whole roof 6, and the lift of second pneumatic cylinder 12 has reduced the distance between roof 6 tunnel top and can alleviate the rock and to the impact of roof 6.
The bottom of slider 7 passes through spout 10 and first workstation 2 sliding connection, and the symmetry of slider 7 is established in the both sides of first workstation 2, and the inboard of slider 7 is equipped with biax positive and negative motor 9, and the both sides of biax positive and negative motor 9 are connected with screw, and screw runs through slider 7, is equipped with the screw thread with screw meshing in the slider 7, and biax positive and negative motor 9 during operation is through driving screw rotation, and slider 7 moves about the screw rotation time. When the upper protection net bag 8 is full, the sliding block 7 moves to drive the protection net bag 8 to move towards the inner side of the framework 1, so that shielding of the upper protection net bag 8 to the lower protection net bag is avoided.
The two sides of the top plate 6 are symmetrically provided with movable guide plates 5, the movable guide plates 5 are connected with the third workbench 4 through connecting rods 17, the inner sides of the connecting rods 17 are provided with third hydraulic cylinders 18, one ends of the third hydraulic cylinders 18 are hinged with the movable guide plates 5, and the third hydraulic cylinders 18 are hinged with the upper surface of the third workbench 4. And the upper surfaces of the movable guide plate 5 and the top plate 6 are respectively provided with a polyethylene wear-resistant pad. An extension plate is arranged at the joint of the movable guide plate 5 and the top plate 6. When the top plate 6 moves upwards under the action of the second hydraulic cylinder 12, the third hydraulic cylinder 18 pushes the movable guide plate 5 to rotate around the connecting rod 17 and the movable guide plate 5, and as the extending plate is arranged at the connecting part of the movable guide plate 5 and the top plate 6, the extending plate can be ensured to be always contacted with the top plate 6.
The upper portion of first workstation 2 is equipped with second workstation 3, and second workstation 3 also is equipped with slider 7, protection string bag 8 and biax positive and negative rotation motor 9.
The bottom of skeleton 1 is equipped with the mounting panel, is equipped with synchronous motor 14 on the mounting panel, and synchronous motor 14 passes through the chain with the gyro wheel that skeleton 1 bottom was equipped with to be connected.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a tunnel rock drilling safety protection platform truck, includes skeleton (1), protection string bag (8) and roof (6), its characterized in that: the inner side of the framework (1) is provided with a first workbench (2), the first workbench (2) is connected with a sliding block (7) in a sliding way, one side of the protective net bag (8) is connected with one side of the sliding block (7) through a rotating shaft (16), and the other side of the protective net bag (8) is provided with a first hydraulic cylinder (15); the top of skeleton (1) is equipped with backup pad (11), and the bottom of backup pad (11) is connected with third workstation (4) through second pneumatic cylinder (12), and the top of backup pad (11) is connected with roof (6) through restoring force spring (13).
2. A tunnel drilling safety protection trolley according to claim 1, characterized in that: the bottom of slider (7) is through spout (10) and first workstation (2) sliding connection, and the symmetry of slider (7) is established in the both sides of first workstation (2), and the inboard of slider (7) is equipped with biax forward and reverse motor (9), and the both sides of biax forward and reverse motor (9) are connected with screw, and screw runs through slider (7).
3. A tunnel drilling safety protection trolley according to claim 1, characterized in that: the two sides of the top plate (6) are symmetrically provided with movable guide plates (5), the movable guide plates (5) are connected with the third workbench (4) through connecting rods (17), third hydraulic cylinders (18) are arranged on the inner sides of the connecting rods (17), one ends of the third hydraulic cylinders (18) are hinged with the movable guide plates (5), and the third hydraulic cylinders (18) are hinged with the upper surface of the third workbench (4).
4. A tunnel drilling safety protection trolley according to claim 1, characterized in that: the upper portion of first workstation (2) is equipped with second workstation (3), and second workstation (3) also are equipped with slider (7), protection string bag (8) and biax positive reverse motor (9).
5. A tunnel drilling safety protection trolley according to claim 3, characterized in that: the upper surface of the movable guide plate (5) and the upper surface of the top plate (6) are both provided with polyethylene wear-resistant pads.
6. A tunnel drilling safety protection trolley according to claim 3, characterized in that: an extension plate is arranged at the joint of the movable guide plate (5) and the top plate (6).
7. A tunnel drilling safety protection trolley according to claim 1, characterized in that: the bottom of skeleton (1) is equipped with the mounting panel, is equipped with synchronous motor (14) on the mounting panel, and synchronous motor (14) are connected through the chain with the gyro wheel that skeleton (1) bottom was equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320885125.1U CN220015171U (en) | 2023-04-19 | 2023-04-19 | Tunnel rock drilling safety protection trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320885125.1U CN220015171U (en) | 2023-04-19 | 2023-04-19 | Tunnel rock drilling safety protection trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015171U true CN220015171U (en) | 2023-11-14 |
Family
ID=88672547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320885125.1U Active CN220015171U (en) | 2023-04-19 | 2023-04-19 | Tunnel rock drilling safety protection trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015171U (en) |
-
2023
- 2023-04-19 CN CN202320885125.1U patent/CN220015171U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |