CN111997652A - Trestle suitable for tunnel invert layer and filling layer concrete distribution - Google Patents
Trestle suitable for tunnel invert layer and filling layer concrete distribution Download PDFInfo
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- CN111997652A CN111997652A CN201910447924.9A CN201910447924A CN111997652A CN 111997652 A CN111997652 A CN 111997652A CN 201910447924 A CN201910447924 A CN 201910447924A CN 111997652 A CN111997652 A CN 111997652A
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 239000004744 fabric Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims 5
- 238000010276 construction Methods 0.000 abstract description 20
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a trestle suitable for concrete distribution of an inverted arch layer and a filling layer of a tunnel, which comprises two rows of main beams which are arranged in parallel, wherein a distribution mechanism is arranged on the outer side or the inner side of at least one row of the main beams, the distribution mechanism comprises an installation support, a first concrete conveying mechanism arranged on the installation support and a second concrete conveying mechanism movably arranged on the installation support, a first discharge hole is formed in the first concrete conveying mechanism and is in butt joint with the second concrete conveying mechanism, and a second discharge hole is formed in two ends of the second concrete conveying mechanism and is in butt joint with a distribution component. The invention has the advantages of simple structure, convenient operation, being beneficial to improving the construction efficiency and the like.
Description
Technical Field
The invention relates to tunnel construction equipment, in particular to a trestle suitable for concrete distribution of an inverted arch layer and a filling layer of a tunnel.
Background
In the tunnel construction at present, the level of mechanized construction is higher and higher, and the process organization in each area is relatively professional. In an inverted arch concrete filling construction area, the popularization and the use of the self-propelled inverted arch trestle ensure that the construction in the area is safer and more efficient; the popularization and the use of the integral inverted arch template realize the rapid construction of the inverted arch, save the assembly and the disassembly of the template, greatly reduce the labor intensity of workers and improve the construction efficiency and the quality of the inverted arch. The combination of self-propelled invert trestle and integral invert template has satisfied mechanized, automatic, universalization, the standardized demand of tunnel invert construction, has improved efficiency, has practiced thrift the cost. When the concrete pouring construction of the inverted arch layer and the filling layer is carried out at present, the concrete tank truck stops on the trestle for discharging, and concrete flows to a position to be poured by self weight through the simple chute. Pouring in different areas is realized by stopping the concrete tank truck at different positions on the trestle and adjusting the length of the chute. The pouring process is completed manually, the operation environment is very severe, the physical health of workers can be affected, meanwhile, the construction efficiency of manual operation is low, and the construction speed is low. Particularly, when the concrete tank car is poured, the trestle is limited by the self-bearing capacity due to single-lane traffic, so that the smooth construction of other areas is influenced by other engineering vehicles and construction equipment passing through the trestle; meanwhile, when pouring is carried out at each time, only one concrete tank truck can be stopped on the trestle, a plurality of tank trucks cannot be used for pouring simultaneously, and the total integral pouring time is long.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the trestle which is simple in structure, convenient to operate and beneficial to improving the construction efficiency and is suitable for concrete distribution of the inverted arch layer and the filling layer of the tunnel.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a landing stage suitable for tunnel invert layer and filling layer concrete distribution, includes two parallel arrangement's girder, is listed at least the outside or the inside of girder are equipped with cloth mechanism, cloth mechanism includes the installing support, locates first concrete conveying mechanism on the installing support and movably locate the second concrete conveying mechanism on the installing support, be equipped with first discharge gate on the first concrete conveying mechanism and with second concrete conveying mechanism docks, second concrete conveying mechanism is equipped with second discharge gate and second discharge gate in both ends and has docked the cloth part.
As a further improvement of the above technical solution: the first concrete conveying mechanism comprises a first conveying part, a first rotary conveying shaft arranged in the first conveying part and a first conveying blade arranged on the first rotary conveying shaft, and the first discharging port is arranged on the first conveying part.
As a further improvement of the above technical solution: the first conveying part is a conveying groove or a conveying pipe or a conveying scraper.
As a further improvement of the above technical solution: the first conveying blade is a helical blade.
As a further improvement of the above technical solution: the first concrete conveying mechanism comprises a first conveying belt and at least two pairs of first conveying rollers, each pair of the first conveying rollers are arranged in a V shape, the first conveying belt is wound on each pair of the first conveying rollers, and the first discharge hole is formed in the first conveying belt.
As a further improvement of the above technical solution: the second concrete conveying mechanism comprises a second conveying part, a second rotary conveying shaft arranged in the second conveying part and a second conveying blade arranged on the second rotary conveying shaft, and the second discharge hole is formed in the second conveying part.
As a further improvement of the above technical solution: the second conveying blade is a spiral blade, the rotating directions of two ends of the second conveying blade are opposite, and the first discharge port is in butt joint with the middle of the second conveying component.
As a further improvement of the above technical solution: the second concrete conveying mechanism comprises a second conveying belt and at least two pairs of second conveying rollers, each pair of the second conveying rollers is arranged in a V shape, the second conveying belt is wound on each pair of the second conveying rollers, and the second discharge hole is formed in the second conveying belt.
As a further improvement of the above technical solution: the distributing part is a distributing chute or a distributing pipe.
As a further improvement of the above technical solution: the cloth part is of a telescopic structure or a rotatable structure.
Compared with the prior art, the invention has the advantages that: the automatic distributing machine for the invert filling concrete disclosed by the invention has the advantages that the distributing mechanism is arranged on the outer side of the main beam and can move in a tunnel along with a trestle, the first concrete conveying mechanism is arranged on the mounting bracket, concrete on a concrete tank truck is conveyed to the second concrete conveying mechanism through the first concrete conveying mechanism, the second concrete conveying mechanism conveys the concrete to the distributing parts at two ends, the distributing parts are utilized to distribute the concrete to a region to be constructed, the distributing operation range of equipment is large, the integral structure is simple, the operation is convenient, the construction efficiency is high, the concrete tank truck does not need to occupy the trestle, and other construction vehicles and equipment can conveniently pass through the trestle.
Drawings
Fig. 1 is a schematic front view of a trestle for distributing concrete on an inverted arch layer and a filling layer of a tunnel according to a first embodiment of the invention.
Fig. 2 is a schematic top view of a trestle for distributing concrete on an inverted arch layer and a filling layer of a tunnel according to a first embodiment of the invention.
Fig. 3 is a schematic side view of a trestle bridge of the embodiment of the invention, which is suitable for concrete distribution of an inverted arch layer and a filling layer of a tunnel.
Fig. 4 is a schematic structural view of a first embodiment of the first concrete transporting member and the second concrete transporting member according to the present invention.
Fig. 5 is a schematic side view of a second embodiment of the trestle suitable for concrete distribution of an inverted arch layer and a filling layer of a tunnel according to the invention.
Fig. 6 is a partially enlarged view of fig. 5.
The reference numerals in the figures denote: 1. mounting a bracket; 2. a cloth member; 3. a first concrete conveying mechanism; 31. a first conveying member; 32. a first rotary conveying shaft; 33. a first conveying blade; 34. a first conveyor belt; 35. a first conveying roller; 37. a first discharge port; 5. a second concrete conveying mechanism; 51. a second discharge port; 52. a second conveying member; 53. a second rotary transport shaft; 54. a second conveying blade; 55. a second conveyor belt; 56. a second conveying roller; 6. a main beam.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Example one
Fig. 1 to 4 show an embodiment of the trestle suitable for distributing concrete on an inverted arch layer and a filling layer of a tunnel according to the present invention, which includes two rows of main beams 6 arranged in parallel, wherein a distributing mechanism is disposed on the outer side of each of the two rows of main beams 6, the distributing mechanism includes a mounting bracket 1, a first concrete conveying mechanism 3 disposed on the mounting bracket 1, and a second concrete conveying mechanism 5 movably disposed on the mounting bracket 1, the first concrete conveying mechanism 3 is provided with a first discharge port 37 and is in butt joint with the second concrete conveying mechanism 5, the second concrete conveying mechanism 5 is provided with a second discharge port 51 at two ends, and the second discharge port 51 is in butt joint with a distributing component 2. In other embodiments, of course, the material distribution mechanism may be arranged only on the outer side of one row of main beams 6; or a material distribution device is arranged in one or two columns of main beams 6; or a material distribution device is arranged at the outer side of one row of main beams 6 and in the other row of main beams 6; when the distribution device is arranged inside the main beam 6, the main beam 6 can be used as the mounting bracket 1.
The automatic distributing machine for the invert filling concrete is characterized in that a distributing mechanism is arranged on the outer side of a main beam 6, the distributing mechanism can move in a tunnel along with a trestle, a first concrete conveying mechanism 3 is arranged on an installation support 1, concrete on a concrete tank car is conveyed to a second concrete conveying mechanism 5 through the first concrete conveying mechanism 3, the second concrete conveying mechanism 5 conveys the concrete to distributing parts 2 at two ends, the distributing parts 2 are utilized to distribute the concrete to a region to be constructed, the distributing operation range of the equipment is large, the whole structure is simple, the operation is convenient, the construction efficiency is high, the concrete tank car does not need to occupy the trestle, other construction vehicles and equipment can conveniently pass through the trestle, meanwhile, due to the adoption of two stages of concrete conveying mechanisms, the first concrete conveying mechanism 3 can keep the pouring time to be fixed relative to the trestle, the butt joint with the concrete tank car is convenient, and the second concrete conveying mechanism 5 moves back and forth, ensuring to cover a larger construction area. As a preferred technical solution, the distributing member 2 may be, for example, a common distributing chute or distributing pipe; the cloth part 2 adopts a telescopic structure or a rotatable structure, and realizes a wider range of cloth by extending or shortening or rotating.
Further, in the present embodiment, the first concrete conveying mechanism 3 includes a first conveying member 31 (for example, a conveying pipe, a conveying trough, or a conveying scraper, any place of the conveying trough can be directly used as a concrete inlet on the concrete tank car), a first rotary conveying shaft 32 disposed in the first conveying member 31, and a first conveying blade 33 disposed on the first rotary conveying shaft 32, and the first discharge port 37 is disposed on the first conveying member 31. During operation, the concrete enters the first conveying part 31, the first rotary conveying shaft 32 rotates to drive the first conveying blades 33 to rotate, the concrete is conveyed forwards, and the concrete falls into the second concrete conveying mechanism 5 through the first discharge holes 37.
In the present embodiment, the first conveying blade 33 is preferably a helical blade, which is advantageous for uniformly and reliably conveying the concrete forward. Of course, in other embodiments, other known shapes of blades may be used for the transport.
Further, in this embodiment, the second concrete conveying mechanism 5 includes a second conveying member 52 (for example, a conveying pipe or a conveying trough, any position of the conveying trough can be directly abutted to the first discharge port 37 to realize feeding), a second rotary conveying shaft 53 disposed in the second conveying member 52, and a second conveying blade 54 disposed on the second rotary conveying shaft 53, and the second discharge port 51 is disposed on the second conveying member 52. During operation, the concrete output from the first discharge port 37 enters the second conveying part 52, the second rotary conveying shaft 53 rotates to drive the second conveying blades 54 to rotate, the concrete is conveyed towards two ends, the concrete falls into the distributing part 2 through the second discharge ports 51, and the distributing part 2 is used for distributing the concrete to the area to be constructed.
In the present embodiment, the second conveying blade 54 is a helical blade, and the two ends of the second conveying blade are opposite in rotation direction, so that the helical blade is beneficial to uniformly and reliably conveying the concrete forward. Of course, in other embodiments, other known shapes of blades may be used for the transport; the first discharge port 37 is in butt joint with the middle of the second conveying component 52, and during operation, concrete output from the first discharge port 37 enters the middle of the second conveying component 52 and is conveyed to two ends through the second conveying blades 54 with opposite rotating directions, so that the structure is simple and convenient. Of course, in other embodiments, the second conveying blade 54 with two ends in the same direction may be used, and the second rotary conveying shaft 53 rotates forward and backward alternately to realize the conveying of the concrete to two ends.
Example two
Fig. 5 to 6 show another embodiment of the trestle suitable for the concrete distribution of the tunnel inverted arch layer and the filling layer of the invention, and the trestle suitable for the concrete distribution of the tunnel inverted arch layer and the filling layer of the embodiment is basically the same as the embodiment except that: in this embodiment, the first concrete conveying mechanism 3 includes a first conveying belt 34 and at least two pairs of first conveying rollers 35, each pair of first conveying rollers 35 is arranged in a V shape, the first conveying belt 34 is wound around each pair of first conveying rollers 35, and the first discharging port 37 is arranged on the first conveying belt 34. The second concrete conveying mechanism 5 comprises a second conveying belt 55 and at least two pairs of second conveying rollers 56, each pair of second conveying rollers 56 is arranged in a V shape, the second conveying belt 55 is wound on each pair of second conveying rollers 56, and the second discharging port 51 is arranged on the second conveying belt 55. That is, in this embodiment, the conveying belt is used to convey the concrete, and the conveying belt is supported by each pair of conveying rollers arranged in a V-shape and provides power, so that the structure is simple, and the concrete can be reliably conveyed. Of course, in other embodiments, the first concrete conveying mechanism 3 can be conveyed by a rotating shaft, and the second concrete conveying mechanism 5 can be conveyed by a belt; or the first concrete conveying mechanism 3 adopts a belt to convey, and the second concrete conveying mechanism 5 adopts a rotating shaft to convey.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides a landing stage suitable for tunnel invert layer and filling layer concrete cloth, includes two its characterized in that of girder (6) of parallel arrangement: at least one is listed as the outside or the inside of girder (6) are equipped with cloth mechanism, cloth mechanism includes installing support (1), locates first concrete conveying mechanism (3) on installing support (1) and movably locates second concrete conveying mechanism (5) on installing support (1), be equipped with on first concrete conveying mechanism (3) first discharge gate (37) and with second concrete conveying mechanism (5) butt joint, second concrete conveying mechanism (5) are equipped with second discharge gate (51) and second discharge gate (51) in both ends and have cloth part (2) to butt joint.
2. The trestle suitable for tunnel invert and filler concrete distribution according to claim 1, characterized in that: the first concrete conveying mechanism (3) comprises a first conveying part (31), a first rotary conveying shaft (32) arranged in the first conveying part (31), and a first conveying blade (33) arranged on the first rotary conveying shaft (32), and the first discharge hole (37) is formed in the first conveying part (31).
3. The trestle suitable for tunnel invert and filler concrete distribution according to claim 2, characterized in that: the first conveying part (31) is a conveying groove or a conveying pipe or a conveying scraper.
4. The trestle suitable for tunnel invert and filler concrete distribution according to claim 2, characterized in that: the first conveying blade (33) is a helical blade.
5. The trestle suitable for tunnel invert and filler concrete distribution according to claim 1, characterized in that: the first concrete conveying mechanism (3) comprises a first conveying belt (34) and at least two pairs of first conveying rollers (35), each pair of first conveying rollers (35) is arranged in a V shape, the first conveying belt (34) is wound on each pair of first conveying rollers (35), and the first discharge hole (37) is formed in the first conveying belt (34).
6. Trestle suitable for the concrete distribution of tunnel inverted arches and infill according to any one of claims 1 to 5, characterized in that: the second concrete conveying mechanism (5) comprises a second conveying part (52), a second rotary conveying shaft (53) arranged in the second conveying part (52) and a second conveying blade (54) arranged on the second rotary conveying shaft (53), and the second discharge hole (51) is arranged on the second conveying part (52).
7. The trestle suitable for tunnel invert and filler concrete distribution according to claim 6, characterized in that: the second conveying blade (54) is a spiral blade, the rotating directions of two ends of the second conveying blade are opposite, and the first discharging hole (37) is butted with the middle part of the second conveying component (52).
8. Trestle suitable for the concrete distribution of tunnel inverted arches and infill according to any one of claims 1 to 5, characterized in that: the second concrete conveying mechanism (5) comprises a second conveying belt (55) and at least two pairs of second conveying rollers (56), each pair of second conveying rollers (56) is arranged in a V shape, the second conveying belt (55) is wound on each pair of second conveying rollers (56), and the second discharge port (51) is arranged on the second conveying belt (55).
9. Trestle suitable for the concrete distribution of tunnel inverted arches and infill according to any one of claims 1 to 5, characterized in that: the distributing component (2) is a distributing chute or a distributing pipe.
10. Trestle suitable for the concrete distribution of tunnel inverted arches and infill according to any one of claims 1 to 5, characterized in that: the cloth part (2) is of a telescopic structure or a rotatable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447924.9A CN111997652A (en) | 2019-05-27 | 2019-05-27 | Trestle suitable for tunnel invert layer and filling layer concrete distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447924.9A CN111997652A (en) | 2019-05-27 | 2019-05-27 | Trestle suitable for tunnel invert layer and filling layer concrete distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111997652A true CN111997652A (en) | 2020-11-27 |
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ID=73461283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910447924.9A Pending CN111997652A (en) | 2019-05-27 | 2019-05-27 | Trestle suitable for tunnel invert layer and filling layer concrete distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111997652A (en) |
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2019
- 2019-05-27 CN CN201910447924.9A patent/CN111997652A/en active Pending
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