CN109236331B - Steel arch trolley suitable for tunnel micro-step excavation method - Google Patents
Steel arch trolley suitable for tunnel micro-step excavation method Download PDFInfo
- Publication number
- CN109236331B CN109236331B CN201811381754.0A CN201811381754A CN109236331B CN 109236331 B CN109236331 B CN 109236331B CN 201811381754 A CN201811381754 A CN 201811381754A CN 109236331 B CN109236331 B CN 109236331B
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- trolley
- steel arch
- fixedly connected
- frame
- support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 99
- 239000010959 steel Substances 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009412 basement excavation Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000009193 crawling Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 241000282326 Felis catus Species 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a steel arch trolley suitable for a tunnel micro-step excavation method, which comprises a trolley travelling crawler, a platform and a trolley frame, wherein the bottom of the trolley frame is fixedly connected with the top of the trolley travelling crawler, a longitudinal moving trolley is arranged at the top of the trolley frame, a trolley lifting oil cylinder is arranged at the bottom of the trolley frame, and a longitudinal moving driving chain is fixedly connected to the bottom of the longitudinal moving trolley. This steel bow member platform truck suitable for tunnel micro-step excavation method installs vertical travelling car through the top of bogie frame, very big reduction installation operation personnel number, realized the semi-automatization construction of steel bow member installation, reduced operation personnel construction intensity, through the equal fixedly connected with cat ladder in both sides on platform surface, the steel bow member mounted position can be fine setting in upper and lower position, can carry out other operations beyond the steel bow member installation, like the supplementary construction in tunnel earlier stage.
Description
Technical Field
The invention relates to the technical field of tunnel steel arch installation equipment, in particular to a steel arch trolley suitable for a tunnel micro-step excavation method.
Background
The steel arch support is a support measure for reinforcing underground engineering after the profile steel is formed, after the tunnel is excavated, in order to effectively restrict and control deformation of surrounding rocks and strengthen stability of the surrounding rocks, part of the tunnel needs to be supported by erecting the steel arch and forming composite supports with anchor rods, sprayed concrete and reinforcing steel bar meshes so as to protect and strengthen strength and self-stability of the surrounding rocks.
At present, each section of steel arch is manually lifted to a position where the steel arch needs to be installed, then the steel arch is anchored and fixed, each section of steel arch is connected into a ring shape by bolts, the weight of a single steel arch is about 300 kg, more than ten operators are required to install the steel arch simultaneously, and the defect of the installation mode is that: firstly, the operation personnel are needed, secondly, the installation labor intensity is high, thirdly, the installation safety is low, thirdly, the installation time is long, and the efficiency of tunnel construction is seriously influenced by the installation mode.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the steel arch trolley suitable for the tunnel micro-step excavation method, and solves the problems of high installation labor intensity, low installation safety, long installation time and influence on tunnel construction efficiency.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a steel bow member platform truck suitable for tunnel micro-step excavation method, includes platform truck walking track, platform and bogie frame, the bottom of bogie frame and the top fixed connection of platform truck walking track, the vertical travelling car is installed at the top of bogie frame to the bottom of bogie frame is installed the platform truck lift cylinder, the bottom fixedly connected with of vertical travelling car is indulged and is moved the drive chain, the inner wall transmission of indulging and move the drive chain is connected with the sprocket to the middle part fixedly connected with of sprocket is indulged and is moved the car driving motor, the both sides at bogie frame top all fixedly connected with hoist engine to the output fixedly connected with hoist engine haulage rope of two hoist engines, the bottom swing joint of hoist engine haulage rope has the steel bow member, the both sides at bogie frame top just are located the both sides of two hoist engines and are all fixedly connected with hoist motor, two the output of hoist motor passes through connecting piece fixedly connected with and promotes the bottom fixedly connected with of chain and promotes the dolly.
Preferably, both sides of the surface of the platform are fixedly connected with a crawling ladder, and the middle part of the trolley walking crawler is fixedly connected with a walking driving motor.
Preferably, the bottom of the steel arch is movably connected with a steel arch transition support, and the back of the bogie frame is fixedly connected with a bogie lengthening section.
Preferably, one side of the top of the bogie frame is fixedly connected with a steel arch support frame, and the front surface of the steel arch support frame is fixedly connected with a longitudinal movement supporting arm.
Preferably, one side of the top of the longitudinally movable supporting arm is fixedly connected with a front jacking cylinder, and the other side of the top of the longitudinally movable supporting arm is fixedly connected with a rear jacking cylinder.
Preferably, the bottom of one side of the trolley extension joint is fixedly connected with a support column.
Advantageous effects
The invention provides a steel arch trolley suitable for a tunnel micro-step excavation method. Compared with the prior art, the method has the following beneficial effects:
(1) This steel bow member platform truck suitable for tunnel micro-step excavation method installs vertical travelling car through the top of platform truck frame to platform truck lifting cylinder is installed to the bottom of platform truck frame, the bottom fixedly connected with of vertical travelling car indulges and moves the drive chain, the inner wall transmission of indulges and move the drive chain is connected with the sprocket, and the middle part fixedly connected with of sprocket indulges and moves the dolly driving motor, the equal fixedly connected with hoist engine in both sides at platform truck frame top, and the output fixedly connected with hoist haulage rope of two hoist engines, the bottom swing joint of hoist haulage rope has the steel bow member, the both sides at platform truck frame top just are located the equal fixedly connected with lifting motor in both sides of two hoist engines, the output of two lifting motor passes through connecting piece fixedly connected with and promotes the dolly, the installation of steel bow member only needs two to three operating personnel, very big reduction installation operating personnel number, the semi-automatization construction of having realized the installation of steel bow member has reduced operating personnel construction intensity.
(2) This steel bow member platform truck suitable for tunnel micro-step excavation method, both sides through the platform surface all fixedly connected with cat ladder, and the middle part fixedly connected with walking driving motor of platform truck walking track, the bottom swing joint of steel bow member has steel bow member transition support, and the back fixedly connected with platform truck extension festival of bogie frame, one side fixedly connected with steel bow member support frame at bogie frame top, and the front fixedly connected with longitudinal movement support arm of steel bow member support frame, one side fixedly connected with front jacking cylinder at longitudinal movement support arm top, and the opposite side fixedly connected with back jacking cylinder at longitudinal movement support arm top, can travel to tunnel mounted position fast, operating time has been practiced thrift, steel bow member mounted position can the upper and lower position fine setting, can carry out other operations beyond the installation of steel bow member, like tunnel earlier stage auxiliary construction.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a top view of the structure of the present invention.
In the figure: 1. a hoist; 2. a winch traction rope; 3. lifting the chain; 4. lifting the trolley; 5. a lifting motor; 6. a steel arch; 7. longitudinally moving the support arm; 8. a front jack-up cylinder; 9. a rear jack-up cylinder; 10. a steel arch support frame; 11. longitudinally moving the trolley; 12. a longitudinally moving trolley driving motor; 13. longitudinally moving the driving chain; 14. a steel arch transition support; 15. lengthening joints of the trolley; 16. a support column; 17. a trolley walking crawler belt; 18. a trolley lifting cylinder; 19. a travel drive motor; 20. a platform; 21. a ladder stand; 22. and a bogie frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the steel arch trolley suitable for tunnel micro-step excavation comprises a trolley traveling crawler 17, a platform 20 and a trolley frame 22, wherein the trolley traveling crawler 17 is driven by a traveling driving motor 19 in a hydraulic driving mode, the trolley traveling crawler 17 can drive the trolley frame 22 to integrally move, one side of the top of the trolley frame 22 is fixedly connected with a steel arch support frame 10, the front surface of the steel arch support frame 10 is fixedly connected with a longitudinal moving support arm 7, one side of the top of the longitudinal moving support arm 7 is fixedly connected with a front jacking cylinder 8, the front jacking cylinder 8 can integrally adjust the height of the longitudinal moving support arm 7, the other side of the top of the longitudinal moving support arm 7 is fixedly connected with a rear jacking cylinder 9, the rear jacking cylinder 9 can adjust the vertical height of the steel arch 6, both sides of the surface of the platform 20 are fixedly connected with a climbing ladder 21, the middle part of the trolley traveling crawler 17 is fixedly connected with a traveling driving motor 19, the bottom of the trolley frame 22 is fixedly connected with the top of the trolley frame 17, the top of the longitudinal moving trolley frame 22 is provided with a longitudinal moving trolley 11, one side of the top of the longitudinal moving support frame 11 is fixedly connected with a front jacking cylinder 8, the longitudinal moving trolley 12 is fixedly connected with a chain wheel of the winch frame 1, the two sides of the winch frame 1 is fixedly connected with the chain wheels 1, the two sides of the winch frame 1 are fixedly connected with the chain wheels 13, the winch frame 1 is fixedly connected with the winch frame 1, the winch frame is fixedly connected with the winch frame is connected with the winch frame and the winch frame is connected with the winch frame and the winch frame is a frame has a frame. The winch haulage rope 2 can drive steel bow member 6 upwards to promote dolly 4 top, the bottom swing joint of winch haulage rope 2 has steel bow member 6, the bottom swing joint of steel bow member 6 has steel bow member transition support 14, and the back fixedly connected with platform truck extension festival 15 of platform truck 22, the bottom fixedly connected with support column 16 of platform truck extension festival 15 one side, the both sides at platform truck 22 top just are located the equal fixedly connected with lifting motor 5 of both sides of two winches 1, the output of two lifting motor 5 is through connecting piece fixedly connected with lifting chain 3, and lifting chain 3's bottom fixedly connected with lifting trolley 4, lifting trolley 4 is by lifting motor 5 drive, lifting trolley 4 can reciprocate.
When in use, the steel arch installing trolley is driven to a position where the steel arch 6 is required to be installed, the steel arch 6 is horizontally arranged and assembled into a whole, two winch traction ropes 2 are tied above the steel arch 6, a winch 1 is started to drive the steel arch 6 to move upwards, after the steel arch 6 moves upwards to a proper position, the steel arch 6 is placed above the lifting trolley 4, a lifting motor 5 is started, the lifting trolley 4 is driven by a lifting chain to move upwards, the lifting trolley 4 moves upwards to the position above a trolley frame, a longitudinal moving trolley driving motor 12 is started until a longitudinal moving support arm 7 is inserted at the lower end of the steel arch 6, a front jacking cylinder 8 is started, the longitudinal moving support arm 7 moves upwards wholly until the steel arch 6 is completely separated from the lifting trolley 4, a longitudinal moving trolley driving motor 12 is started to drive the longitudinal moving trolley 11 to move, walking to a position from a bearing position of a steel arch 6 above a longitudinal moving bearing arm 7 to a position of a steel arch transition support 14, placing the steel arch 6 above the longitudinal moving bearing arm 7 above the steel arch transition support 14 through a hydraulic cylinder, starting a longitudinal moving trolley driving motor 12, driving a longitudinal moving trolley 11 to move, walking to a position from a steel arch support frame 10 to a position of the steel arch transition support 14, starting the hydraulic cylinder at the position of the steel arch transition support 14, placing the steel arch 6 above the steel arch transition support frame 14 above the steel arch support frame 10, starting the longitudinal moving trolley driving motor 12, driving the longitudinal moving trolley 11 to move to a steel arch 6 installation position, starting a front jacking cylinder 8, jacking the steel arch 6 to a position required to be installed, when the stroke of the front jacking cylinder 8 is insufficient, starting a rear jacking cylinder 9 to adjust the height to the installation position, anchoring the steel arch, and (5) anchoring the next steel arch frame, and repeating the steps.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a steel bow member platform truck suitable for tunnel micro-step excavation method, includes platform truck walking track (17), platform (20) and bogie frame (22), the top fixed connection of the bottom of bogie frame (22) and platform truck walking track (17), its characterized in that: the trolley is characterized in that a longitudinal moving trolley (11) is arranged at the top of the trolley frame (22), a trolley lifting oil cylinder (18) is arranged at the bottom of the trolley frame (22), a longitudinal moving driving chain (13) is fixedly connected to the bottom of the longitudinal moving trolley (11), a chain wheel is connected to the inner wall transmission of the longitudinal moving driving chain (13), a longitudinal moving trolley driving motor (12) is fixedly connected to the middle part of the chain wheel, windlass (1) are fixedly connected to the two sides of the top of the trolley frame (22), windlass traction ropes (2) are fixedly connected to the output ends of the two windlass (1), a steel arch (6) is movably connected to the bottom ends of the windlass traction ropes (2), lifting motors (5) are fixedly connected to the two sides of the top of the trolley frame (22) and are fixedly connected to lifting chains (3) through connecting pieces, and lifting trolley (4) are fixedly connected to the bottom ends of the lifting chains (3);
one side of the top of the longitudinal moving trolley (11) is fixedly connected with a steel arch support frame (10), and the front surface of the steel arch support frame (10) is fixedly connected with a longitudinal moving supporting arm (7);
a front jacking cylinder (8) is fixedly connected to one side of the top of the longitudinally movable supporting arm (7), and a rear jacking cylinder (9) is fixedly connected to the other side of the top of the longitudinally movable supporting arm (7);
a steel arch transition support (14) is arranged at the top of the bogie frame (22);
when the hydraulic support device is used, the steel arch mounting trolley is driven to a position where the steel arch (6) needs to be mounted, the steel arch (6) is flatly assembled into a whole, two winch traction ropes (2) are tied above the steel arch (6), a winch (1) is started, the steel arch (6) is driven to move upwards, after the steel arch (6) moves upwards to a proper position, the steel arch (6) is placed above the lifting trolley (4), a lifting motor (5) is started, the lifting chain (3) drives the lifting trolley (4) to move upwards, the lifting trolley (4) moves upwards to the position above a trolley frame, a longitudinal movement trolley driving motor (12) is started until a longitudinal movement support arm (7) is inserted at the lower end of the steel arch (6), a front jacking cylinder (8) is started, the longitudinal movement support arm (7) moves upwards as a whole, the steel arch (6) is completely separated from the lifting trolley (4), a longitudinal movement trolley driving motor (12) is started, the longitudinal movement trolley (11) is driven to move, the longitudinal movement support arm (7) is driven to move to the position above the steel arch (6) through the longitudinal support arm (14), the longitudinal support trolley (14) is driven to move in a transition mode, the longitudinal support trolley (14) is driven to move horizontally, the hydraulic cylinder is started at the position of the steel arch transition support (14) from the position of the steel arch support (10), the steel arch (6) above the steel arch transition support (14) is placed above the steel arch support (10), the longitudinal moving trolley driving motor (12) is started, the longitudinal moving trolley (11) is driven to move to the installation position of the steel arch (6), the front jacking cylinder (8) is started, the steel arch (6) is jacked to the position required to be installed, and when the stroke of the front jacking cylinder (8) is insufficient, the rear jacking cylinder (9) is started to be adjusted to the installation position, and the steel arch is anchored.
2. A steel arch trolley suitable for tunnel micro-step excavation according to claim 1, characterized in that: both sides on the surface of the platform (20) are fixedly connected with a crawling ladder (21), and the middle part of the trolley walking crawler belt (17) is fixedly connected with a walking driving motor (19).
3. A steel arch trolley suitable for tunnel micro-step excavation according to claim 1, characterized in that: the bottom of the steel arch (6) is movably connected with the steel arch transition support (14), and a trolley lengthening section (15) is fixedly connected with the back of the trolley frame (22).
4. A steel arch trolley suitable for use in a tunnel micro-step excavation process as claimed in claim 3, wherein: the bottom of one side of the trolley extension joint (15) is fixedly connected with a support column (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381754.0A CN109236331B (en) | 2018-11-20 | 2018-11-20 | Steel arch trolley suitable for tunnel micro-step excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381754.0A CN109236331B (en) | 2018-11-20 | 2018-11-20 | Steel arch trolley suitable for tunnel micro-step excavation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236331A CN109236331A (en) | 2019-01-18 |
| CN109236331B true CN109236331B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381754.0A Active CN109236331B (en) | 2018-11-20 | 2018-11-20 | Steel arch trolley suitable for tunnel micro-step excavation method |
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| CN (1) | CN109236331B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826631B (en) * | 2019-03-29 | 2024-01-26 | 福州大学 | Telescopic adjustable tunnel trolley and working method thereof |
| CN110318787B (en) * | 2019-08-02 | 2024-02-27 | 中交二公局第四工程有限公司 | One-way four-lane highway tunnel can assemble excavation and steel bow member mounting trolley |
| CN111206947B (en) * | 2020-03-13 | 2021-06-08 | 山东科技大学 | Mechanized construction trolley for tunnel |
| CN113074001B (en) * | 2021-04-19 | 2022-03-25 | 中铁工程装备集团有限公司 | Multifunctional operation rack suitable for tunnel construction |
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| CN108643941A (en) * | 2018-06-07 | 2018-10-12 | 中铁隧道股份有限公司 | Gantry type arch installs trolley |
| CN208010370U (en) * | 2018-03-19 | 2018-10-26 | 中铁一局集团有限公司 | A kind of novel tunnel tunneling boring arch installation trolley |
| CN209011837U (en) * | 2018-11-20 | 2019-06-21 | 中铁五局集团第一工程有限责任公司 | A kind of steel arch rack trolley suitable for the micro- bench cut method in tunnel |
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| GB539467A (en) * | 1940-03-20 | 1941-09-11 | Henry Edward Thomas | Improvements in or relating to steel arches used for underground supports, tunnelling, air raid shelters, or buildings requiring arch supports |
| US3970200A (en) * | 1975-01-16 | 1976-07-20 | George Hyman Construction Co. | Gantry |
| GB2042020A (en) * | 1979-02-16 | 1980-09-17 | Coal Industry Patents Ltd | Temporary mine arch and prop positioning device |
| GB2043740A (en) * | 1979-02-27 | 1980-10-08 | Dobson Park Ind | Positioning roof arches |
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| Publication number | Publication date |
|---|---|
| CN109236331A (en) | 2019-01-18 |
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