CN221400526U - Large-gradient-adaptive tunnel trolley with variable size - Google Patents
Large-gradient-adaptive tunnel trolley with variable size Download PDFInfo
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- CN221400526U CN221400526U CN202420112811.XU CN202420112811U CN221400526U CN 221400526 U CN221400526 U CN 221400526U CN 202420112811 U CN202420112811 U CN 202420112811U CN 221400526 U CN221400526 U CN 221400526U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 6
- 239000011435 rock Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel trolley adapting to a large gradient and variable size, which comprises a portal frame, a travelling mechanism, an arch top frame body, a side wall frame body and a connecting beam, wherein the portal frame is arranged on the side wall frame body; the arch top frame body is arranged at the upper part of the portal frame; the side wall frame body is telescopically arranged at two sides of the door frame; the adjacent door frames are longitudinally connected through a connecting beam; the travelling mechanism comprises steel rails arranged on the ground of a tunnel, T-shaped sliding blocks slidably assembled on the steel rails and a plurality of gradient adjusting hydraulic cylinders arranged at the bottom of the portal, wherein the upper ends of the gradient adjusting hydraulic cylinders are fixedly connected with the bottom of the portal, and the lower ends of the gradient adjusting hydraulic cylinders are hinged with the T-shaped sliding blocks. The utility model has the advantages that: the angle of the tunnel trolley can be adjusted through the gradient adjusting hydraulic cylinder, so that the tunnel trolley is suitable for gradient change in a tunnel; the tunnel trolley has variable size, can be suitable for tunnels with different sizes, can be reused, and saves cost; the hydraulic cylinder is adjusted to adapt to the uneven ground in the tunnel through the gradient, meanwhile, the height of the tunnel trolley can be lifted, and the adaptability of the tunnel trolley is improved.
Description
Technical Field
The utility model relates to the technical field of tunnel operation equipment, in particular to a tunnel trolley with a variable size and a large gradient.
Background
With the increasing demands of economy and people living in China, urban highways and railways cannot meet the development demands, and rapid construction of traffic networks connecting various areas and cities is urgent. Because of the vast territories in China, the topography and geological conditions are extremely complex, traffic routes often pass through large mountainous areas, and tunnels are the most favorable infrastructure for passing through mountainous areas. The trolley is an operation platform with a moving function. The tunnel trolley is used for digging a mine tunnel, and constructors perform construction operations such as drilling and blasting holes, cleaning holes, charging and the like through the tunnel trolley.
In tunnel and underground engineering construction, the conventional trolley has the following problems:
(1) When the trolley runs in the tunnel, the tunnel cannot adapt to the tunnel height, and the trolley cannot smoothly pass through;
(2) Excavating a large-gradient tunnel, wherein the traditional trolley cannot adapt to gradient change;
(3) The tunnel trolley is fixed in size, cannot adapt to tunnels with different sizes, and is low in repeated use rate.
Disclosure of Invention
According to the defects of the prior art, the utility model provides the tunnel trolley with the variable size, which is suitable for large gradient, a plurality of gradient adjusting hydraulic cylinders are longitudinally arranged on a travelling mechanism below a portal frame, and the angle of the tunnel trolley can be adjusted through the gradient adjusting hydraulic cylinders so as to adapt to gradient change in a tunnel; and the top and the two sides of the portal are respectively provided with a telescopic vault frame body and a telescopic side wall frame body to adapt to the dimensional change of the tunnel.
The utility model is realized by the following technical scheme:
The tunnel trolley with the variable size is characterized by comprising a portal frame, a travelling mechanism, an arch top frame body, a side wall frame body and a connecting beam; the vault frame body is arranged at the upper part of the portal frame; the side wall frame body is arranged on two sides of the door frame in a telescopic mode; the adjacent door frames are longitudinally connected through the connecting beams; the travelling mechanism comprises steel rails arranged on the ground of a tunnel, T-shaped sliding blocks slidably assembled on the steel rails and a plurality of gradient adjusting hydraulic cylinders arranged at the bottom of the portal, wherein the upper ends of the gradient adjusting hydraulic cylinders are fixedly connected with the bottom of the portal, and the lower ends of the gradient adjusting hydraulic cylinders are hinged with the T-shaped sliding blocks.
The portal comprises two portal upright posts and portal beams connected to the tops and the middle parts of the two portal upright posts, wherein portal oblique beams are welded between the two sides of the portal beams positioned in the middle and the portal upright posts; a portal bottom beam is welded at the bottom between the front and rear adjacent portal stand columns for longitudinal connection; a plurality of portal short columns are arranged between the portal cross beams at intervals at the top and the middle for connection support.
The vault frame body comprises a vault cross beam, a plurality of vault upright posts arranged on the vault cross beam and a vault curved beam arranged on the vault upright posts, wherein the vault cross beam is arranged on a portal cross beam positioned at the top in the portal, and a vertical hydraulic jack for lifting is arranged between the portal cross beam and the vault cross beam; and a vault connecting beam and a vault oblique beam are arranged between the adjacent vault upright posts for connection and reinforcement.
And a construction platform is arranged in a space between the vault cross beam and the vault curved beam.
The side wall frame body comprises a side wall curved beam and a telescopic arm arranged between the side wall curved beam and the upright post of the portal frame, and a horizontal hydraulic jack is arranged on the telescopic arm to drive the side wall curved beam to stretch along the horizontal direction.
The steel rail is H-shaped steel, and the T-shaped sliding block comprises a sliding block and a connecting block arranged on the top surface of the sliding block; the sliding block is provided with a sliding groove and is correspondingly assembled on the upper flange plate of the steel rail so as to form sliding type assembly; the connecting block is hinged with the lower end of the gradient adjusting hydraulic cylinder.
The utility model has the advantages that:
(1) The angle of the tunnel trolley can be adjusted through the gradient adjusting hydraulic cylinder, so that the tunnel trolley is suitable for gradient change in a tunnel;
(2) The tunnel trolley has variable size, can be suitable for tunnels with different sizes, can be reused, and saves cost;
(3) The hydraulic cylinder is adjusted to adapt to the uneven ground in the tunnel through the gradient, meanwhile, the height of the tunnel trolley can be lifted, and the adaptability of the tunnel trolley is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a tunnel trolley accommodating a steep variable dimension;
FIG. 2 is a side elevational view of a variable dimension tunnel trolley accommodating a steep grade;
FIG. 3 is a schematic view of a state of a tunnel trolley moving along a slope in response to a large gradient and a variable dimension;
Fig. 4 is a schematic diagram of the lifting angle adjustment of the slope adjustment hydraulic cylinder when the large-slope variable-size tunnel trolley moves along a slope.
As shown in fig. 1-4, the labels in the figures are respectively:
1. The system comprises an arch top frame body, a side wall frame body, a door frame, a traveling mechanism, a connecting beam, a tunnel trolley, a tunnel and surrounding rocks, wherein the arch top frame body, the side wall frame body, the door frame, the traveling mechanism, the connecting beam, the tunnel trolley, the tunnel and the surrounding rocks are arranged in sequence, and the surrounding rocks are arranged in sequence;
11. Vault curved beam 12, vault cross beam 13, vault connecting beam 14, vault upright post 15, vault oblique beam 16, construction platform;
21. side wall curved beams, a telescopic arm and a horizontal hydraulic jack, wherein the telescopic arm is a horizontal hydraulic jack;
31. Portal posts 32, portal cross beams 33, portal short columns 34, portal diagonal beams 35, portal bottom beams 36 and vertical hydraulic jacks;
41. a slope adjusting hydraulic cylinder, a 42. T-shaped sliding block and a 43. Steel rail;
411. A connection plate 412, a hinge shaft; 421. slider, 422, spout, 423, connecting block.
Detailed Description
The features of the present utility model and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
Examples: as shown in fig. 1-4, the embodiment specifically relates to a tunnel trolley with a large gradient and variable size, the tunnel trolley 6 runs in a tunnel 7 excavated in a surrounding rock 8, the tunnel trolley 6 comprises a portal 3, a travelling mechanism 4, an arch top frame 1, a side wall frame 2 and a connecting beam 4, the arch top frame 1 is vertically and telescopically arranged on the upper part of the portal 3, and the side wall frame 2 is telescopically arranged on two sides of the portal 3; the adjacent portal frames 3 are longitudinally connected through a connecting beam 4, the travelling mechanism 3 comprises steel rails 43 arranged on the ground of the tunnel 7, T-shaped sliding blocks 42 slidably assembled on the steel rails 43 and a plurality of gradient adjusting hydraulic cylinders 41 arranged at the bottoms of the portal frames 3, the upper ends of the gradient adjusting hydraulic cylinders 41 are fixedly connected with the bottoms of the portal frames 3, and the lower ends of the gradient adjusting hydraulic cylinders are hinged with the T-shaped sliding blocks 42.
As shown in fig. 1 and 2, the portal 3 comprises two portal uprights 31 and portal beams 32 connected to the top and the middle of the two portal uprights 31, and portal diagonal beams 34 are welded between the two sides of the portal beams 32 in the middle and the portal uprights 31; the bottoms between the front and back adjacent portal columns 31 are welded with portal bottom beams 35 for longitudinal connection to form an integral portal 3; a plurality of portal short columns 33 are arranged between the portal cross beams 32 at the top and the middle at intervals for connection support.
As shown in fig. 1 and 2, a plurality of vertical hydraulic jacks 36 are arranged between the bottom of the arch support 1 and the top of the portal frame 3, and are used for driving the arch support 1 to vertically lift and fall so as to adapt to different sizes of the tunnel 7. The arch top frame body 1 comprises an arch top cross beam 12, a plurality of arch top upright posts 14 arranged on the arch top cross beam 12 and an arch top curved beam 11 arranged on the arch top upright posts 14, wherein the arch top cross beam 12 is arranged on a portal cross beam 32 positioned at the top of a portal 3, and a vertical hydraulic jack 36 for lifting is arranged between the portal cross beam 32 and the arch top cross beam 32; a vault connecting beam 13 and a vault oblique beam 15 are arranged between the adjacent vault upright posts 14 for connection and reinforcement. And the two sides of the vault upright post 14, namely the space enclosed by the vault crossbeam 12 and the vault curved beam 11, are respectively provided with a construction platform.
As shown in fig. 1 and 2, the side wall frame 2 is disposed on two sides of the portal frame 3, the side wall frame 2 includes a side wall curved beam 21 and a telescopic arm 22 for driving the side wall curved beam 21 to horizontally extend and retract, and a horizontal hydraulic jack 23 is disposed in the telescopic arm 22 to provide a horizontal extending and retracting movement function.
As shown in fig. 1-4, the travelling mechanism 4 comprises a rail 43 arranged on the ground of the tunnel 7, a T-shaped slider 42 slidably fitted on the rail 43, and a number of gradient-adjusting hydraulic cylinders 41 arranged at the bottom of the mast 3. Rails 43 are laid along the ground of the tunnel 7, and the rails 43 are made of H-shaped steel. The T-shaped slider 42 includes a slider 421 and a connecting block 423 fixed on the top surface of the slider 421, where a sliding groove 422 is formed on the slider 421, and the shape of the sliding groove 422 matches with the shape of the upper flange plate of the steel rail 43, that is, the sliding groove 422 of the slider 421 is correspondingly slidably assembled on the upper flange plate of the steel rail 43. The upper end of the gradient adjusting hydraulic cylinder 41 is fixedly connected with the portal bottom beam 35 of the portal frame 3, the lower end of the gradient adjusting hydraulic cylinder 41 is provided with two connecting plates 411, and the two connecting plates 411 are distributed on two sides of the connecting block 423 and are hinged through a hinge shaft 412. In the process of the tunnel trolley 6 running obliquely upwards along the tunnel 7, the telescopic length of the gradient adjusting hydraulic cylinder 41 is adjusted, and the rear gradient adjusting hydraulic cylinder 41 is controlled to extend by a larger height compared with the front gradient adjusting hydraulic cylinder 41 based on the trend of the obliquely upward steel rail 43 during running, so that the whole portal 2 is in a horizontal state.
The beneficial effects of this embodiment are:
(1) The angle of the tunnel trolley can be adjusted through the gradient adjusting hydraulic cylinder, so that the tunnel trolley is suitable for gradient change in a tunnel;
(2) The tunnel trolley has variable size, can be suitable for tunnels with different sizes, can be reused, and saves cost;
(3) The hydraulic cylinder is adjusted to adapt to the uneven ground in the tunnel through the gradient, meanwhile, the height of the tunnel trolley can be lifted, and the adaptability of the tunnel trolley is improved.
With the above-described preferred embodiments according to the present utility model as a teaching, the person skilled in the art can make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. The tunnel trolley with the variable size is characterized by comprising a portal frame, a travelling mechanism, an arch top frame body, a side wall frame body and a connecting beam; the vault frame body is arranged at the upper part of the portal frame; the side wall frame body is arranged on two sides of the door frame in a telescopic mode; the adjacent door frames are longitudinally connected through the connecting beams; the travelling mechanism comprises steel rails arranged on the ground of a tunnel, T-shaped sliding blocks slidably assembled on the steel rails and a plurality of gradient adjusting hydraulic cylinders arranged at the bottom of the portal, wherein the upper ends of the gradient adjusting hydraulic cylinders are fixedly connected with the bottom of the portal, and the lower ends of the gradient adjusting hydraulic cylinders are hinged with the T-shaped sliding blocks.
2. The tunnel trolley with the large gradient and variable size is characterized in that the portal comprises two portal uprights and portal beams connected to the tops and the middle parts of the two portal uprights, and portal oblique beams are welded between the two sides of the portal beams positioned in the middle and the portal uprights; a portal bottom beam is welded at the bottom between the front and rear adjacent portal stand columns for longitudinal connection; a plurality of portal short columns are arranged between the portal cross beams at intervals at the top and the middle for connection support.
3. The tunnel trolley with the large-gradient and variable-size adaptation function according to claim 2, wherein the arch top frame body comprises an arch top cross beam, a plurality of arch top upright posts arranged on the arch top cross beam and an arch top curved beam arranged on the arch top upright posts, the arch top cross beam is arranged on a portal cross beam positioned at the top in the portal frame, and a vertical hydraulic jack for lifting is arranged between the portal cross beam and the arch top cross beam; and a vault connecting beam and a vault oblique beam are arranged between the adjacent vault upright posts for connection and reinforcement.
4. A variable-size tunnel trolley adapting to a large gradient according to claim 3, characterized in that a construction platform is arranged in the space between the dome cross beam and the dome curved beam.
5. The tunnel trolley adapting to the large gradient and variable size according to claim 2, wherein the side wall frame body comprises a side wall curved beam and a telescopic arm arranged between the side wall curved beam and the portal stand column, and a horizontal hydraulic jack is arranged on the telescopic arm to drive the side wall curved beam to stretch in the horizontal direction.
6. The tunnel trolley with the large gradient and variable size is characterized in that the steel rail is H-shaped steel, and the T-shaped sliding block comprises a sliding block and a connecting block arranged on the top surface of the sliding block; the sliding block is provided with a sliding groove and is correspondingly assembled on the upper flange plate of the steel rail so as to form sliding type assembly; the connecting block is hinged with the lower end of the gradient adjusting hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420112811.XU CN221400526U (en) | 2024-01-17 | 2024-01-17 | Large-gradient-adaptive tunnel trolley with variable size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420112811.XU CN221400526U (en) | 2024-01-17 | 2024-01-17 | Large-gradient-adaptive tunnel trolley with variable size |
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| Publication Number | Publication Date |
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| CN221400526U true CN221400526U (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420112811.XU Active CN221400526U (en) | 2024-01-17 | 2024-01-17 | Large-gradient-adaptive tunnel trolley with variable size |
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| Country | Link |
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| CN (1) | CN221400526U (en) |
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- 2024-01-17 CN CN202420112811.XU patent/CN221400526U/en active Active
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