CN110118094B - Tunnel secondary lining concrete longitudinal dispersion pouring device and construction method thereof - Google Patents
Tunnel secondary lining concrete longitudinal dispersion pouring device and construction method thereof Download PDFInfo
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- CN110118094B CN110118094B CN201910500188.9A CN201910500188A CN110118094B CN 110118094 B CN110118094 B CN 110118094B CN 201910500188 A CN201910500188 A CN 201910500188A CN 110118094 B CN110118094 B CN 110118094B
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- 239000006185 dispersion Substances 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011440 grout Substances 0.000 description 6
- 239000011800 void material Substances 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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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
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (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 tunnel secondary lining concrete longitudinal dispersion pouring device and a construction method thereof, wherein the device comprises a traveling trolley, a slurry conveying mechanism connected with the traveling trolley and a longitudinal movement grouting mechanism arranged on the traveling trolley; the longitudinal moving grouting mechanism comprises a longitudinal moving trolley, a clamping adjusting assembly positioned on the longitudinal moving trolley, and a grouting spray pipe connected to the clamping adjusting assembly, wherein the grouting gun pipe is connected with the slurry conveying mechanism; the device adopts a continuous concrete conveying and pouring mode of retreating to continuously retreat and pour, utilizes the cooperation of the conveying pressure, the overflow diffusion effect and the gravity field of the concrete pump in the slurry conveying mechanism to disperse and continuously pour towards the front end and the two sides, has reliable structure and convenient construction, can greatly improve the pouring quality of the two liners of the tunnel, ensures the pouring thickness of the two liners and forms a tunnel structure with uniform tunnel thickness.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a tunnel secondary lining concrete longitudinal dispersion pouring device and a construction method thereof.
Background
At present, various tunnels constructed by a domestic drilling and blasting method are commonly constructed by adopting an integral movable tunnel mould building trolley, and a mode of radially matching a concrete conveying pump along the circular outline of a tunnel is adopted in construction, so that secondary lining concrete is poured, and as the tunnel structure is of a circular ring structure, a mode of radially upwards conveying the concrete and pouring the secondary lining concrete is adopted, the secondary lining concrete is limited by the distance and the height of pouring points, the concrete is limited by the gravity action and the slump of the concrete, so that the difficulty in overcoming the insufficient dispersion of gravity and flow is necessarily caused when the concrete is poured, a conical pile with the slump radius range is formed around the pouring points, and a region which cannot be covered by the concrete in a dispersing way is formed in a region far away from a pouring opening, and a triangle space which cannot be filled is formed at a pile connecting part, namely the forming principle of pouring the tunnel lining of the tunnel in the current tunnel construction and the void and the secondary lining thickness of the tunnel is insufficient. The construction in the mode is a main process defect cause for the problems of partial insufficient thickness of the secondary lining of the current tunnel and back void quality. Meanwhile, by adopting a radial interval concrete pouring process, an air isolation wall effect is easily formed on the section of the pouring opening, and continuous pouring of concrete is prevented. Resulting in void and insufficient lining thickness. The prior template trolley adopts a plane attached vibrator, adopts vibration tamping after concrete is poured and before initial setting, and the vibration tamping can cause the volume shrinkage of the poured secondary lining concrete, so that the phenomenon of void behind the secondary lining of the tunnel is further aggravated, and the secondary reason of void of the secondary lining in the prior tunnel construction is provided.
Disclosure of Invention
The invention aims to provide a tunnel secondary lining concrete longitudinal dispersion pouring device and a construction method thereof, which are used for solving the problem of quality defect that the pouring thickness of the back of the conventional tunnel lining is insufficient and the back of the secondary lining is hollow.
The technical scheme for solving the technical problems is as follows: the tunnel secondary lining concrete longitudinal dispersion pouring device comprises a traveling trolley, a slurry conveying mechanism connected with the traveling trolley and a longitudinal movement grouting mechanism arranged on the traveling trolley;
the longitudinal moving grouting mechanism comprises a longitudinal moving trolley, a clamping adjusting assembly arranged on the longitudinal moving trolley, and a grouting spray pipe connected to the clamping adjusting assembly, wherein the grouting gun pipe is connected with the slurry conveying mechanism.
Further, indulge and move the dolly including the frame, set up running gear on the frame, set up perpendicularly at the lifting rail of frame corner all around, cooperation connection be in lifting rail is last the crane and articulate swing frame on the crane, the centre gripping adjusting part sets up on the swing frame, running gear is including setting up the walking wheel and setting up in the frame bottom just drive on the frame the driving motor of walking wheel motion, be provided with on the walking platform truck with the longitudinal rail that the walking wheel cooperatees.
Further, the clamping adjusting assembly comprises a supporting plate arranged on the swinging frame, a clamping assembly arranged on the supporting plate, a horizontal adjusting piece arranged between the supporting plate and the swinging frame, a lifting adjusting assembly vertically connected between the frame and the lifting frame, and an angle adjusting assembly obliquely connected between the lifting frame and the swinging frame, wherein the grouting gun barrel is arranged on the supporting plate and penetrates through the clamping assembly, and a push-pull assembly parallel to the grouting gun barrel is arranged between the grouting gun barrel and the supporting plate.
Further, the clamping assembly comprises two box bodies which are arranged on the supporting plate at intervals, a rotating shaft which is axially arranged in the box bodies and clamping wheels which are arranged on the rotating shaft, the bottom end of the rotating shaft is connected with a driving motor which drives the rotating shaft to rotate, a gap is reserved between the two box bodies, and the grouting gun barrel penetrates through the gap and is clamped between the two clamping wheels.
Further, the horizontal adjusting piece comprises a connecting plate vertically arranged on the swinging frame and a horizontal telescopic piece arranged on the connecting plate, and the end part, far away from the connecting plate, of the telescopic piece is connected to the supporting plate.
Further, the lifting adjusting assembly comprises a lifting piece arranged on the frame and a fixing plate arranged on the lifting piece and far away from the end part of the frame, and the fixing plate is arranged on the lifting frame.
Further, the angle adjusting component is obliquely arranged on the inclined plate on the frame and is connected with the oblique telescopic piece on the inclined plate, the end part, far away from the supporting plate, of the oblique telescopic piece is connected onto the swinging frame, and an included angle is formed between the oblique telescopic piece and the horizontal plane of the frame.
Further, the push-pull assembly comprises a hoop arranged on the grouting gun barrel and a push-pull piece connected to the hoop, and the end part, far away from the hoop, of the push-pull piece is connected to the supporting plate.
Further, the grouting gun barrel comprises an upper pipe body and a lower pipe body which are matched with each other and are in a semicircular structure, a plate member arranged on the edge of the upper pipe body and the edge of the lower pipe body, and a locking bolt penetrating through the plate member, and a sealing member is arranged between the plate member of the upper pipe body and the plate member of the lower pipe body.
The invention also provides a construction method of the tunnel secondary lining concrete longitudinal dispersion pouring device, which comprises the following steps:
(1) the method comprises the following steps The grouting angle of the grouting gun barrel is regulated through the clamping regulating component, and the grouting gun barrel is inserted into a set position in the second lining template of the tunnel through the longitudinal moving grouting mechanism;
(2) the method comprises the following steps When the grouting gun barrel reaches a set position, providing concrete grouting for the grouting gun barrel through a slurry conveying mechanism;
(3) the method comprises the following steps When the concrete at the set position is poured fully, the whole travelling trolley is retracted for a set distance, and simultaneously the slurry conveying mechanism is driven to retract until the whole plate of concrete is filled; in the pouring process, the grouting gun barrel is driven to push and pull through the push-pull assembly, so that the grouting gun barrel and concrete are prevented from being combined;
(4) the method comprises the following steps After grouting is completed, removing the connection between the grouting gun barrel and the slurry conveying mechanism, and simultaneously removing the connection between the traveling trolley and the slurry conveying mechanism;
(5) the method comprises the following steps The travelling trolley moves to be close to the end face of the poured concrete, and then a waterproof plate and binding steel bars are paved;
(6) the method comprises the following steps And (5) repeating the steps (1) to (5) after the paving is finished.
The invention has the following beneficial effects: according to the tunnel secondary lining concrete longitudinal dispersion pouring device and the construction method thereof, the device adopts a backward type concrete continuous conveying pouring mode to continuously back for pouring, and the front end and the two sides are dispersed and continuously poured by utilizing the cooperation of the conveying pressure, the overflow diffusion effect and the gravity field of a concrete pump in a slurry conveying mechanism, so that the structure is reliable, the construction is convenient, the pouring quality of a tunnel secondary lining can be greatly improved, the pouring thickness of the secondary lining is ensured, and a tunnel structure with uniform tunnel thickness is formed; the dynamic concrete conveying continuous pouring process is adopted along the central line direction of the tunnel, so that the height of a secondary lining concrete pouring point is increased, the potential energy of concrete entering a template system is increased, and the flowing dispersion condition of the concrete is improved; the method adopts linear transportation along the longitudinal direction of the tunnel, so that the concrete does not sacrifice the height potential energy in the transportation process, the transportation height of the concrete is kept, the concrete is transported along the axis of the tunnel, dispersed along the direction of the contour line of the tunnel, and the retained potential energy is utilized to realize gravity diffusion along the direction of the contour line of the tunnel so as to ensure that the concrete is diffused to form a continuous arc surface.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic view of a longitudinally moving grouting mechanism according to the present invention;
FIG. 5 is a schematic view of a clamping adjustment assembly according to the present invention;
fig. 6 is a schematic view of a grouting barrel structure in the invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 2, the tunnel secondary lining concrete longitudinal dispersion pouring device comprises a traveling trolley 1, a slurry conveying mechanism 2 connected with the traveling trolley 1 and a longitudinal movement grouting mechanism arranged on the traveling trolley 1. The traveling trolley 1 is a trolley in the prior tunnel construction and is mainly used for binding reinforcement cages and paving waterproof plates. The grout delivery mechanism 2 comprises a ground pump hinged to the trolley and a connecting line connected to the ground pump for connecting the ground pump to the grout nozzle 5, the ground pump providing a source of concrete for the grout nozzle 5. The longitudinal moving grouting mechanism is used for backing a certain distance in the grouting process, and continuous backing is realized for grouting.
The longitudinal grouting mechanism comprises a longitudinal trolley 3, a clamping adjusting assembly 4 arranged on the longitudinal trolley 3 and a grouting spray pipe 5 connected to the clamping adjusting assembly 4, and the grouting gun pipe 5 is connected with the slurry conveying mechanism 2. The longitudinal moving trolley 3 can longitudinally move on the travelling trolley 1 by a proper distance, the movement distance of the longitudinal moving trolley is matched with the length of the trolley, and continuous backward filling of the tunnel secondary lining in the distance range is realized through the movement of the longitudinal moving trolley 3 on the travelling trolley 1. The clamping and adjusting assembly 4 is used for clamping and adjusting the grouting spray pipe 5, and adjusting the left and right positions and the pitching position of the grouting spray pipe 5, so that the grouting spray pipe is convenient to align and insert into the steel reinforcement cage.
The vertical moving trolley 3 comprises a frame 30, a travelling mechanism arranged on the frame 30, lifting guide rails 31 vertically arranged at corners around the frame 30, lifting frames 32 matched and connected to the lifting guide rails 31 and swing frames 33 hinged to the lifting frames 32, the clamping adjusting assembly 4 is arranged on the swing frames 33, the travelling mechanism comprises travelling wheels arranged at the bottom end of the frame 30 and a driving motor arranged on the frame 30 and used for driving the travelling wheels to move, and longitudinal rails matched with the travelling wheels are arranged on the travelling trolley 1. The travelling wheels are driven by the driving motor to move on the track, so that the reliability of the longitudinal movement trolley 3 is ensured. The lifting frame 32 cooperates with the lifting guide rail 31 to realize the adjustment of the height position of the swinging frame 33 and the clamping and adjusting assembly 4.
The clamping adjusting assembly 4 comprises a supporting plate 40 arranged on the swinging frame 33, a clamping assembly arranged on the supporting plate 40, a horizontal adjusting piece arranged between the supporting plate 40 and the swinging frame 33, a lifting adjusting assembly vertically connected between the frame 30 and the lifting frame 32, and an angle adjusting assembly obliquely connected between the lifting frame 32 and the swinging frame 33, wherein the grouting barrel 5 is arranged on the supporting plate 40 and penetrates through the clamping assembly, and a push-pull assembly parallel to the grouting barrel 5 is arranged between the grouting barrel 5 and the supporting plate 40. The clamping assembly is used to clamp the grout barrel 5 and drive the grout barrel 5 to move longitudinally through a wide range. The horizontal adjusting member is used for adjusting the grouting barrel 5 in the horizontal direction. The elevation adjustment assembly is used for the elevation frame 32 to perform the height adjustment along the elevation guide rail 31, thereby adjusting the height of the grouting barrel 5 so that the grouting barrel 5 is aligned to be inserted into the grouting template in the tunnel. The angle adjusting assembly is used for adjusting the pitching angle of the grouting gun barrel 5. The pushing assembly is used for carrying out longitudinal small-range back and forth movement on the grouting gun barrel 5, and the gun barrel and concrete are prevented from being combined in the process of the pipe column.
The clamping assembly comprises two box bodies 401, rotating wheels 402 and clamping wheels 403, wherein the box bodies 401 are arranged on the supporting plate 40 at intervals, the rotating wheels 402 are axially arranged in the box bodies 401, the clamping wheels 403 are arranged on the rotating shafts 402, the bottom ends of the rotating shafts 402 are connected with driving motors for driving the rotating shafts 402 to rotate, a gap is reserved between the two box bodies 401, and the grouting gun tube 5 penetrates through the gap and is clamped between the two clamping wheels 403. The box 401 provides support for the rotating shafts 402, and the driving motor acts on one rotating shaft 402, so that the rotating shaft 402 serves as a driving member, and the other rotating shaft 402 serves as a driven member. In use, the driving motor drives the rotating shaft 402 to rotate, so as to drive the clamping wheel 403 to rotate relatively, and further drive the grouting barrel 5 to longitudinally move in and out.
The angle adjusting component is obliquely arranged on the inclined plate 320 on the frame 30 and is connected with the oblique telescopic piece 321 on the inclined plate 320, the end part, away from the supporting plate 40, of the oblique telescopic piece 321 is connected with the swinging frame 33, and an included angle is formed between the oblique telescopic piece 321 and the horizontal plane of the frame 30. Lifting piece 301 adopts hydraulic cylinder, and fixed plate 302 one end is connected with hydraulic cylinder's piston rod, and the other end is connected on swing frame 33, and the cylinder is connected on frame 30, when using, regard frame 30 as the stiff end, realizes adjusting the height of grout barrel 5 through the concertina movement of piston rod, convenient and reliable.
The horizontal adjusting member includes a connection plate 330 vertically disposed on the swing frame 33 and a horizontal telescopic member 331 disposed on the connection plate 330, and an end of the telescopic member away from the connection plate 330 is connected to the support plate 40. The horizontal telescopic piece 331 adopts a hydraulic cylinder, the connecting plate 330 is arranged on the swinging frame 33 to form an integrated structure, the connecting plate 330 is used as a fixed end, acting force is generated on the supporting plate 40 through the telescopic action of the hydraulic cylinder, and then the acting force acts on the swinging frame 33 to adjust the swinging frame 33, so that horizontal adjustment of the grouting gun barrel 5 positioned on the swinging frame 33 is realized.
The angle adjusting component is obliquely arranged on the support plate 40 on the frame 30 and is connected with the oblique telescopic piece 321 on the support plate 40, the end part, away from the support plate 40, of the oblique telescopic piece 321 is connected with the swinging frame 33, and an included angle is formed between the oblique telescopic piece 321 and the horizontal plane of the frame 30. The oblique telescopic part 321 adopts a hydraulic cylinder, and the pitching angle of the grouting gun barrel 5 is adjusted through the telescopic action of the hydraulic cylinder.
The push-pull assembly comprises a hoop 50 arranged on the grouting gun barrel 5 and a push-pull piece 51 connected to the hoop 50, and the end part, away from the hoop 50, of the push-pull piece 51 is connected to the support plate 40. The anchor ear 50 is a connecting part connected between the grouting barrel and the supporting plate 40, the push-pull piece 51 adopts a hydraulic cylinder, the supporting plate 40 is used as a fixed end, and the grouting barrel 5 is driven to move back and forth in a small range through the expansion and contraction of the hydraulic cylinder.
In order to facilitate cleaning of the grouting barrel, in the present invention, the grouting barrel 5 includes an upper pipe body 501 and a lower pipe body 502 which are matched with each other and have a semicircular structure, a plate member 503 disposed at the edge of the upper pipe body 501 and the edge of the lower pipe body 502, and a locking bolt penetrating through the plate member 503, and a sealing member 504 is disposed between the plate member 503 of the upper pipe body 501 and the plate member 503 of the lower pipe body 502. The grouting gun barrel is arranged into a split structure, so that the grouting gun barrel is convenient to detach, maintain, replace and clean.
The invention also provides a construction method of the tunnel secondary lining concrete longitudinal dispersion pouring device, which comprises the following steps:
(1) the method comprises the following steps The grouting position of the grouting gun barrel 5 is adjusted through the clamping adjusting component 4, and the grouting gun barrel 5 is inserted into a set position in a second lining template of the tunnel through the longitudinal moving grouting mechanism;
(2) the method comprises the following steps When the grouting gun barrel 5 reaches a set position, providing concrete for the grouting gun barrel 5 through the slurry conveying mechanism 2, and pouring the concrete at the position;
(3) the method comprises the following steps When the concrete at the set position is poured fully, the whole travelling trolley 1 is retracted for a set distance, and the slurry conveying mechanism 2 is driven to retract until the whole slab concrete is filled; in the pouring process, the grouting gun barrel 5 is driven to push and pull through the push-pull assembly, so that the grouting gun barrel 5 and concrete are prevented from being combined;
(4) the method comprises the following steps After grouting is completed, the connection between the grouting gun barrel 5 and the slurry conveying mechanism 2 is removed, and meanwhile, the connection between the traveling trolley 1 and the slurry conveying mechanism 2 is relieved;
(5) the method comprises the following steps The travelling trolley 1 moves to be close to the end face of the poured concrete, and then a waterproof plate and binding steel bars are paved for operation;
(6) the method comprises the following steps And (5) repeating the steps (1) to (5) after the paving is finished.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The tunnel secondary lining concrete longitudinal dispersion pouring device is characterized by comprising a traveling trolley (1), a slurry conveying mechanism (2) connected with the traveling trolley (1) and a longitudinal movement grouting mechanism arranged on the traveling trolley (1);
the longitudinal movement grouting mechanism comprises a longitudinal movement trolley (3), a clamping and adjusting assembly (4) positioned on the longitudinal movement trolley (3) and a grouting gun barrel (5) connected to the clamping and adjusting assembly (4), and the grouting gun barrel (5) is connected with the slurry conveying mechanism (2);
the vertical moving trolley (3) comprises a frame (30), a travelling mechanism arranged on the frame (30), lifting guide rails (31) vertically arranged at corners around the frame (30), lifting frames (32) connected to the lifting guide rails (31) in a matched mode and swinging frames (33) hinged to the lifting frames (32), the clamping and adjusting assembly (4) is arranged on the swinging frames (33), the travelling mechanism comprises travelling wheels arranged at the bottom end of the frame (30) and a driving motor arranged on the frame (30) and driving the travelling wheels to move, and longitudinal rails matched with the travelling wheels are arranged on the travelling trolley (1);
the clamping adjusting assembly (4) comprises a supporting plate (40) arranged on the swinging frame (33), a clamping assembly arranged on the supporting plate (40), a horizontal adjusting piece arranged between the supporting plate (40) and the swinging frame (33), a lifting adjusting assembly vertically connected between the frame (30) and the lifting frame (32), and an angle adjusting assembly obliquely connected between the lifting frame (32) and the swinging frame (33), wherein the grouting barrel (5) is positioned on the supporting plate (40) and penetrates through the clamping assembly, and a push-pull assembly parallel to the grouting barrel (5) is arranged between the grouting barrel (5) and the supporting plate (40);
the clamping assembly comprises two box bodies (401) which are arranged on the supporting plate (40) at intervals, a rotating shaft (402) axially arranged in the box bodies (401) and clamping wheels (403) arranged on the rotating shaft (402), a driving motor (404) which drives the rotating shaft (402) to rotate is connected to the bottom end of the rotating shaft (402), a gap is reserved between the two box bodies (401), and the grouting gun tube (5) penetrates through the gap and is clamped between the two clamping wheels (403);
the horizontal adjusting piece comprises a connecting plate (330) vertically arranged on the swinging frame (33) and a horizontal telescopic piece (331) arranged on the connecting plate (330), and the end part, far away from the connecting plate (330), of the horizontal telescopic piece (331) is connected to the supporting plate (40).
2. The tunnel secondary concrete longitudinal dispersion pouring device according to claim 1, wherein the elevation adjustment assembly comprises an elevation member (301) provided on the carriage (30) and a fixing plate (302) provided on an end of the elevation member (301) remote from the carriage (30), and the fixing plate (302) is provided on the swing frame (33).
3. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 1, wherein the angle adjusting assembly comprises an inclined plate (320) obliquely arranged on the frame (30) and an oblique telescopic member (321) connected to the inclined plate (320), the end part of the oblique telescopic member (321) away from the supporting plate (40) is connected to the swinging frame (33), and an included angle is formed between the oblique telescopic member (321) and the horizontal plane of the frame (30).
4. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 1, wherein the push-pull assembly comprises a hoop (50) arranged on the grouting barrel (5) and a push-pull member (51) connected to the hoop (50), and the end of the push-pull member (51) away from the hoop (50) is connected to the supporting plate (40).
5. The device for longitudinally dispersing and pouring tunnel secondary concrete according to claim 4, wherein the grouting gun tube (5) comprises an upper tube body (501) and a lower tube body (502) which are matched with each other and are in a semicircular structure, a plate (503) arranged at the edges of the upper tube body (501) and the lower tube body (502) and a locking bolt penetrating through the plate (503), and a sealing piece (504) is arranged between the plate (503) of the upper tube body (501) and the plate (503) of the lower tube body (502).
6. The construction method of the tunnel secondary lining concrete longitudinal dispersion pouring device according to any one of claims 1 to 5, comprising the steps of:
(1) the method comprises the following steps The grouting angle of the grouting gun barrel (5) is adjusted through the clamping adjusting component (4), and the grouting gun barrel (5) is inserted into a set position in a second lining template of the tunnel through the longitudinal moving grouting mechanism;
(2) the method comprises the following steps When the grouting gun barrel (5) reaches a set position, providing concrete pouring for the grouting gun barrel (5) through the slurry conveying mechanism (2);
(3) the method comprises the following steps When the concrete at the set position is poured fully, the whole travelling trolley (1) is retracted for a set distance, and the slurry conveying mechanism (2) is driven to retract until the whole slab of concrete is filled; in the pouring process, the grouting gun barrel (5) is driven to push and pull through the push-pull assembly, so that the grouting gun barrel (5) and concrete are prevented from being combined;
(4) the method comprises the following steps After grouting is completed, the connection between the grouting gun barrel (5) and the slurry conveying mechanism (2) is removed, and meanwhile, the connection between the traveling trolley (1) and the slurry conveying mechanism (2) is relieved;
(5) the method comprises the following steps The travelling trolley (1) moves to be close to the end face of the poured concrete, and then a waterproof plate and binding steel bars are paved;
(6) the method comprises the following steps And (5) repeating the steps (1) to (5) after the paving is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910500188.9A CN110118094B (en) | 2019-06-11 | 2019-06-11 | Tunnel secondary lining concrete longitudinal dispersion pouring device and construction method thereof |
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| CN201910500188.9A CN110118094B (en) | 2019-06-11 | 2019-06-11 | Tunnel secondary lining concrete longitudinal dispersion pouring device and construction method thereof |
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| CN110118094A CN110118094A (en) | 2019-08-13 |
| CN110118094B true CN110118094B (en) | 2024-02-27 |
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| CN112983481A (en) * | 2021-03-05 | 2021-06-18 | 成都锐龙机械制造有限公司 | Tunnel secondary lining trolley system and concrete continuous pouring method |
| CN113622951B (en) * | 2021-08-02 | 2023-10-10 | 中铁隧道局集团建设有限公司 | Multifunctional equipment for construction of reinforced concrete with ultra-large section |
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| JP2014080811A (en) * | 2012-10-17 | 2014-05-08 | Kajima Corp | Concrete placement system and its method for performance space at tunnel crest |
| CN203730013U (en) * | 2014-01-26 | 2014-07-23 | 重庆工商职业学院 | Material distribution device for tunnel lining concrete pouring |
| CN105822325A (en) * | 2016-04-18 | 2016-08-03 | 浙江省交通工程建设集团有限公司 | Tunnel secondary lining arch crown concrete filling machine and construction method thereof |
| CN208441869U (en) * | 2018-06-29 | 2019-01-29 | 中铁工程装备集团有限公司 | Two lined steel formwork jumbo of novel informationization |
| CN210003300U (en) * | 2019-06-11 | 2020-01-31 | 成都睿智达科技有限公司 | Tunnel secondary lining concrete longitudinal dispersion filling device |
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