CN210003300U

CN210003300U - Tunnel secondary lining concrete longitudinal dispersion filling device

Info

Publication number: CN210003300U
Application number: CN201920873294.7U
Authority: CN
Inventors: 曾克琴; 钟剑
Original assignee: Chengdu Ruizhida Technology Co Ltd
Current assignee: Chengdu Ruizhida Technology Co.,Ltd.
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-01-31
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a kind of two lining concrete vertical dispersion filling device in tunnel, including the walking platform truck, with slurry conveying mechanism and setting that the walking platform truck is connected are in indulge on the walking platform truck moves grout mechanism, indulge move grout mechanism including indulge move the dolly, be located indulge move the centre gripping adjusting part on the dolly and connect grout spray tube on the centre gripping adjusting part grout barrel with slurry conveying mechanism connects, the device adopts the concrete of retreat formula to carry the mode of filling in succession and retreat in succession and fill, utilizes the concrete pump among the slurry conveying mechanism conveying pressure, spills over the cooperation of diffusion effect and gravity field, fills in succession to the front end and to both sides dispersion, its reliable structure, construction convenience can greatly improve the filling quality of two linings in the tunnel, guarantees the filling thickness of two linings, forms the even tunnel structure of tunnel thickness.

Description

Tunnel secondary lining concrete longitudinal dispersion filling device

Technical Field

The utility model relates to a tunnel engineering technical field, concretely relates to two lining concrete vertical dispersion perfusion device in kinds of tunnels.

Background

The construction method is characterized in that various tunnels constructed by a drilling and blasting method at home are generally constructed by adopting an integral movable tunnel mould building trolley, a mode of radially matching a concrete delivery pump along the circular contour of the tunnel is adopted in the construction, secondary lining concrete is poured, the tunnel structure is a circular ring structure, a mode of radially upwards conveying the concrete and pouring the secondary lining concrete is adopted, the distance and the height of pouring points are limited, the concrete is limited by gravity and the self slump of the concrete, the difficulty in overcoming the gravity and the flowing dispersity is inevitably caused when the concrete is poured, conical piles within the radius range of the slump are formed around the pouring points, areas where the concrete cannot be dispersed and covered are formed in areas far away from the pouring openings, triangular spaces which cannot be filled and filled are formed at the connection parts of piles, namely, the forming principle of pouring and emptying of a tunnel construction tunnel lining and insufficient thickness of the tunnel secondary lining during tunnel construction is formed, the construction is a main process defect that the local shortage of the thickness of the secondary lining thickness of the tunnel lining and the emptying quality problem are easily formed by adopting a radial interval concrete pouring process, and a secondary lining air-removing vibrator is easily formed after the construction, the primary lining concrete pouring-removing and the secondary lining-removing-type vibrating vibrator is adopted, the main process that the secondary lining-removing and the secondary lining-removing-forming of the secondary lining-removing concrete-removing-causing the primary lining-removing-forming of the primary lining concrete-removing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of tunnel two lining concrete vertical dispersion filling devices to solve the problem that the quality defect of taking off behind the not enough, two backing of thickness of pouring into behind the back of current tunnel lining.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the tunnel secondary lining concrete longitudinal dispersion pouring device comprises a walking trolley, a slurry conveying mechanism connected with the walking trolley and a longitudinal movement grouting mechanism arranged on the walking trolley;

the longitudinal movement grouting mechanism comprises a longitudinal movement trolley, a clamping adjusting assembly positioned on the longitudinal movement trolley, a grouting spray pipe connected to the clamping adjusting assembly, and a grouting gun pipe connected to the grout conveying mechanism.

Go into steps, indulge and move the dolly and include the frame, set up running gear on the frame, set up lifting guide, the cooperation of frame edge department all around perpendicularly and connect lifting guide is last and articulates swing span on the crane, centre gripping adjusting part sets up on the swing span, running gear is in including setting up the walking wheel and the setting in the frame bottom on the frame and drive the driving motor of walking wheel motion, be provided with on the walking platform truck with the vertical track of walking wheel cooperation.

, the clamping and adjusting assembly comprises a support plate arranged on the swing frame, a clamping assembly arranged on the support plate, a horizontal adjusting piece arranged between the support plate and the swing 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 swing frame, the grouting gun barrel is positioned on the support 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 support plate.

step, the centre gripping subassembly includes that two are located box body, the axial setting that just interval set up in the backup pad are in pivot in the box body and install epaxial the clamp wheel of commentaries on classics, the pivot bottom is connected with the drive pivot pivoted driving motor, the clearance has between two box bodies, the grout barrel runs through clearance and centre gripping are between two clamp wheels.

And , the horizontal adjusting part comprises a connecting plate vertically arranged on the swing frame and a horizontal telescopic part arranged on the connecting plate, and the end of the telescopic part far away from the connecting plate is connected on the supporting plate.

, the lifting adjusting component comprises a lifting piece arranged on the frame and a fixing plate arranged at the end part of the lifting piece far away from the frame, and the fixing plate is arranged on the lifting frame.

, the angle adjusting component is obliquely arranged on the frame and connected with the inclined plate on the frame, the inclined telescopic piece on the inclined plate is far away from the end part of the supporting plate, which is connected with the swing frame, and an included angle is formed between the inclined telescopic piece and the horizontal plane of the frame.

And , the push-pull assembly comprises an anchor ear arranged on the grouting gun barrel and a push-pull piece connected to the anchor ear, and the end part of the push-pull piece far away from the anchor ear is connected to the support plate.

, the grouting gun barrel comprises an upper pipe body, a lower pipe body and a locking bolt, wherein the upper pipe body and the lower pipe body are matched with each other and are of a semicircular structure, the locking bolt is arranged on the edges of the upper pipe body and the lower pipe body and penetrates through the plate, and a sealing element is arranged between the plate of the upper pipe body and the plate of the lower pipe body.

And , the slurry delivery mechanism comprises a ground pump hinged with the walking trolley and a connecting pipeline connected to the ground pump, and the end of the connecting pipeline far away from the ground pump is connected with the grouting gun barrel.

The utility model discloses following beneficial effect has: the utility model provides a two lining concrete longitudinal dispersion filling device in tunnel, the device adopt the concrete continuous transportation filling mode of retreating formula to retreat in succession and pour into, utilize the conveying pressure of the concrete pump among the thick liquid conveying mechanism, overflow diffusion effect and the cooperation of gravity field, the front end with to both sides dispersion continuous filling, its structure is reliable, construction convenience can greatly improve the filling quality of two linings in tunnel, guarantee the filling thickness of two linings, form the tunnel structure that tunnel thickness is even; the dynamic concrete conveying continuous pouring process is carried out along the central line direction of the tunnel, so that the height of a pouring point of the second-lining concrete is increased, the potential energy of the concrete entering a template system is increased, and the flowing dispersion condition of the concrete is improved; the concrete is conveyed along the longitudinal line of the tunnel, so that the height potential energy of the concrete is not sacrificed in the conveying process, the conveying height of the concrete is maintained, the concrete is conveyed along the axis of the tunnel, the concrete is dispersed along the direction of the contour line of the tunnel, and the concrete is diffused along the direction of the contour line of the tunnel by gravity by utilizing the potential energy maintained by the concrete, so that the concrete is ensured to be diffused to form a continuous arc surface.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

FIG. 4 is a schematic view of the middle longitudinal movement grouting mechanism of the present invention;

FIG. 5 is a schematic view of a clamping adjustment assembly of the present invention;

fig. 6 is the schematic view of the structure of the grouting gun of the present invention.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 2, the tunnel secondary lining concrete longitudinal dispersion pouring device comprises a traveling trolley 1, a grout conveying mechanism 2 connected with the traveling trolley 1, and a longitudinal movement grouting mechanism arranged on the traveling trolley 1, wherein the traveling trolley 1 is a trolley in the existing tunnel construction and is mainly used for binding a steel reinforcement cage and laying a waterproof board, the grout conveying mechanism 2 comprises a ground pump hinged with the trolley and a connecting pipeline connected with the ground pump, the connecting pipeline is used for connecting the ground pump with a grouting spray pipe 5 and providing a concrete source for the grouting spray pipe 5 through the ground pump, and the longitudinal movement grouting mechanism is used for retreating at a distance of sections in the grouting process to realize continuous retreating and pouring.

The longitudinal movement grouting mechanism comprises a longitudinal movement trolley 3, a clamping adjusting component 4 positioned on the longitudinal movement trolley 3 and a grouting spray pipe 5 connected to the clamping adjusting component 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 walking trolley 1 for a proper distance, the moving distance of the longitudinal moving trolley is matched with the length of the trolley, and continuous back pouring of the tunnel secondary lining in the distance range is realized through the movement of the longitudinal moving trolley 3 on the walking trolley 1. The clamping and adjusting assembly 4 is used for clamping and adjusting the grouting spray pipe 5, adjusting the left and right positions and the pitching position of the grouting spray pipe 5, and facilitating alignment insertion into the steel reinforcement cage.

Wherein, indulge and move dolly 3 and include frame 30, set up running gear on frame 30, set up lifting guide 31, the cooperation of frame 30 all around edge angle department perpendicularly and connect lifting guide 31 is last crane 32 and articulate swing span 33 on the crane 32, centre gripping adjusting part 4 sets up on the swing span 33, running gear is in including setting up the walking wheel and the setting in frame 30 bottom on the frame 30 and drive the driving motor of walking wheel motion, be provided with on the walking platform truck 1 with the vertical track of walking wheel cooperation. The traveling wheels are driven by the driving motor to move on the track, so that the reliability of longitudinal movement of the longitudinal movement trolley 3 is ensured. The lifting frame 32 is matched with the lifting guide rail 31 to realize the adjustment of the height position of the swing frame 33 and the clamping adjusting component 4.

The clamping and adjusting assembly 4 comprises a supporting plate 40 arranged on the swing frame 33, a clamping assembly arranged on the supporting plate 40, a horizontal adjusting piece arranged between the supporting plate 40 and the swing frame 33, a lifting adjusting assembly vertically connected between the vehicle frame 30 and the lifting frame 32, and an angle adjusting assembly obliquely connected between the lifting frame 32 and the swing frame 33, the grouting gun barrel 5 is positioned on the supporting plate 40 and penetrates through the clamping assembly, and a push-pull assembly parallel to the grouting gun barrel 5 is arranged between the grouting gun barrel 5 and the supporting plate 40. The clamping assembly is used to clamp the grout barrel 5 and drive a large longitudinal range of movement of the grout barrel 5. The horizontal adjustment member is used for adjusting the horizontal direction of the grouting barrel 5. The elevation adjustment assembly is used for the elevation adjustment of the elevation frame 32 along the elevation guide rail 31, thereby adjusting the height of the grouting gun tube 5 so that the grouting gun tube 5 is aligned with the pouring template inserted into the tunnel. The angle adjustment assembly is used to adjust the pitch angle of the grout barrel 5. The push-pull assembly is used for carrying out longitudinal small-range back and forth movement on the grouting gun tube 5, and the combination of the gun tube and concrete in the process of a pipe column is avoided.

The clamping assembly comprises two box bodies 401 which are positioned on the supporting plate 40 and are arranged at intervals, a rotating shaft 402 which is axially arranged in the box bodies 401 and clamping wheels 403 which are arranged on the rotating shaft 402, the bottom end of the rotating shaft 402 is connected with a driving motor which drives the rotating shaft 402 to rotate, a gap is formed between the two box bodies 401, and the grouting gun barrel 5 penetrates through the gap and is clamped between the two clamping wheels 403. the box bodies 401 provide support for the rotating shaft 402, the driving motor acts on rotating shafts 402, so that the rotating shaft 402 is used as a driving part, and rotating shafts 402 are used as driven parts.

The angle adjusting assembly is obliquely arranged on the inclined plate 320 on the frame 30 and the inclined telescopic piece 321 connected to the inclined plate 320, the end part, far away from the supporting plate 40, of the inclined telescopic piece 321 is connected to the swing frame 33, an included angle is formed between the inclined telescopic piece 321 and the horizontal plane of the frame 30, the lifting piece 301 adopts a hydraulic oil cylinder, the end of the fixing plate 302 is connected with a piston rod of the hydraulic oil cylinder, the end is connected to the swing frame 33, and a cylinder barrel is connected to the frame 30.

The horizontal adjusting piece comprises a connecting plate 330 vertically arranged on the swing frame 33 and a horizontal telescopic piece 331 arranged on the connecting plate 330, wherein the end part of the telescopic piece far away from the connecting plate 330 is connected to the supporting plate 40, the horizontal telescopic piece 331 adopts a hydraulic oil cylinder, the connecting plate 330 is arranged on the swing frame 33 to form an -type structure, the connecting plate 330 is used as a fixed end, acting force is generated on the supporting plate 40 through the extension and retraction of the hydraulic oil cylinder, and then the swing frame 33 is adjusted when the acting force acts on the swing frame 33, so that the horizontal adjustment of the grouting gun barrel 5 on the swing frame 33 is realized.

The angle adjusting assembly is obliquely arranged on the support plate 40 on the frame 30 and connected to the inclined telescopic piece 321 on the support plate 40, the end part of the inclined telescopic piece 321 far away from the support plate 40 is connected to the swing frame 33, and an included angle is formed between the inclined telescopic piece 321 and the horizontal plane of the frame 30. The slant expansion piece 321 adopts a hydraulic oil cylinder, and the pitching angle of the grouting gun barrel 5 is adjusted through the expansion and contraction of the hydraulic oil cylinder.

The push-pull assembly comprises a hoop 50 arranged on the grouting barrel 5 and a push-pull piece 51 connected to the hoop 50, and the end of the push-pull piece 51 far away from the hoop 50 is connected to the support plate 40. The hoop 50 is a connecting part connected between the grouting gun barrel and the support plate 40, and the push-pull piece 51 adopts a hydraulic oil cylinder, the support plate 40 is a fixed end, and the small-range back and forth movement of the grouting gun barrel 5 is driven through the extension and retraction of the hydraulic oil cylinder.

In order to facilitate the washing to the grout barrel, the utility model discloses in, grout barrel 5 is including mutually supporting and semicircular structure's last body 501 and lower body 502, the setting at the plate 503 at last body 501 border and lower body 502 border and run through the locking bolt of plate 503, be provided with sealing member 504 between the plate 503 of the upper tube body 501 and the plate 503 of lower body 502. The grouting gun barrel is arranged to be of a split structure, so that the grouting gun barrel is convenient to disassemble, maintain, replace and clean.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The tunnel secondary lining concrete longitudinal dispersion pouring device is characterized by comprising a walking trolley (1), a slurry conveying mechanism (2) connected with the walking trolley (1) and a longitudinal movement grouting mechanism arranged on the walking trolley (1);

the longitudinal movement grouting mechanism comprises a longitudinal movement trolley (3), a clamping adjusting component (4) positioned on the longitudinal movement trolley (3) and a grouting gun tube (5) connected to the clamping adjusting component (4), wherein the grouting gun tube (5) is connected with the grout conveying mechanism (2).

2. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 1, wherein the longitudinal moving trolley (3) comprises a frame (30), a walking mechanism arranged on the frame (30), a lifting guide rail (31) vertically arranged at the peripheral corners of the frame (30), a lifting frame (32) connected to the lifting guide rail (31) in a matching manner, and a swing frame (33) hinged to the lifting frame (32), the clamping adjusting assembly (4) is arranged on the swing frame (33), the walking mechanism comprises a walking wheel arranged at the bottom end of the frame (30) and a driving motor arranged on the frame (30) and driving the walking wheel to move, and a longitudinal rail matched with the walking wheel is arranged on the walking trolley (1).

3. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 2, characterized in that the clamping adjusting assembly (4) comprises a support plate (40) arranged on the swing frame (33), a clamping assembly arranged on the support plate (40), a horizontal adjusting member arranged between the support plate (40) and the swing frame (33), a lifting adjusting assembly vertically connected between the vehicle frame (30) and the lifting frame (32), and an angle adjusting assembly obliquely connected between the lifting frame (32) and the swing frame (33), wherein the grouting gun barrel (5) is positioned on the support plate (40) and penetrates through the clamping assembly, and a push-pull assembly parallel to the grouting gun barrel (5) is arranged between the grouting gun barrel (5) and the support plate (40).

4. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 3, wherein the clamping assembly comprises two boxes (401) which are arranged on the supporting plate (40) at intervals, a rotating shaft (402) which is axially arranged in the boxes (401), and clamping wheels (403) which are arranged on the rotating shaft (402), the bottom end of the rotating shaft (402) is connected with a driving motor (404) which drives the rotating shaft (402) to rotate, a gap is arranged between the two boxes (401), and the grouting gun barrel (5) penetrates through the gap and is clamped between the two clamping wheels (403).

5. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 3, characterized in that said horizontal adjustment means comprise a connecting plate (330) vertically arranged on said swing frame (33) and a horizontal telescopic means (331) arranged on said connecting plate (330), and the end of said horizontal telescopic means (331) remote from said connecting plate (330) is connected to said supporting plate (40).

6. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 3, characterized in that the lifting adjustment assembly comprises a lifting member (301) arranged on the frame (30) and a fixing plate (302) arranged at the end of the lifting member (301) remote from the frame (30), and the fixing plate (302) is arranged on the swing frame (33).

7. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 3, characterized in that the angle adjusting assembly is obliquely arranged on a sloping plate (320) on the frame (30) and a diagonal telescopic member (321) connected to the sloping plate (320), and the end of the diagonal telescopic member (321) far away from the supporting plate (40) is connected to the swing frame (33), and an included angle is formed between the diagonal telescopic member (321) and the horizontal plane of the frame (30).

8. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 3, characterized in that 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 of the push-pull piece (51) far away from the hoop (50) is connected to the supporting plate (40).

9. The tunnel secondary lining concrete longitudinal dispersion pouring device according to claim 8, characterized in that the grouting barrel (5) comprises 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) arranged 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), wherein a sealing member (504) is arranged between the plate member (503) of the upper pipe body (501) and the plate member (503) of the lower pipe body (502).

10. The tunnel secondary lining concrete longitudinal dispersion pouring device according to of any one of claims 1 to 9, wherein the grout delivery mechanism (2) comprises a ground pump articulated with the traveling trolley (1) and a connecting line connected to the ground pump, the end of the connecting line remote from the ground pump being connected to the grout gun barrel (5).