Longitudinal pouring equipment for tunnel

Abstract

The utility model belongs to the field of secondary lining trolleys, particularly relates to longitudinal pouring equipment for a tunnel, and provides the following scheme aiming at the problems that a pouring gate is generally adopted for pouring during top sealing pouring without frequent pipe replacement, and the method is influenced by human factors, so that the flowing distance of concrete is relatively long, and separation is easy to generate. The gantry-free secondary lining trolley comprises a gantry-free secondary lining trolley and a longitudinal pouring trolley, wherein the longitudinal pouring trolley is arranged at one end of the gantry-free secondary lining trolley; according to the concrete pouring system, longitudinal pouring can replace pouring of concrete pouring system pipelines on the two sides, the manufacturing and machining cost is reduced, the labor intensity of pipeline cleaning operation is reduced, cleaning water is saved, and equipment and environment pollution caused in the pipeline cleaning process is reduced; the operation environment is beautified and tidied, the labor cost is saved, switching between the working windows is rapid, continuous pouring can be achieved, the middle pipe replacing time and the construction time are saved, and the construction quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of secondary lining trolleys, in particular to a tunnel longitudinal pouring device. Background Art

[0002] Concrete lining trolley is a special equipment that must be used in the secondary lining of the tunnel construction process. It is used for the concrete lining construction of the inner wall of the tunnel. Concrete lining trolley is an indispensable non-standard product for the secondary lining of the tunnel construction process. It mainly includes simple lining trolley, full hydraulic automatic walking lining trolley and grid lining trolley. Full hydraulic lining trolley can be divided into side top arch type, full round needle beam type, bottom mold needle beam type, full round walking type, etc. Lifting slipform, jacking slipform and flip mold are also commonly used in hydraulic tunnel and bridge construction.

[0003] The existing construction sites decide on their own concrete pouring methods. A hose is set at the front end of the pump pipe, which is manually switched to each working window. Due to the high labor intensity of construction and the lack of frequent pipe replacement, the left and right sides of the side mold are generally switched about 4-6 times, and then the pump is sealed and poured. When pouring the cap, one pouring port is generally used for pouring. This method is affected by human factors and the concrete flows a long distance, which is prone to separation. Utility Model Content

[0004] The purpose of the utility model is to solve the existing problems in the prior art, such as high labor intensity in construction, lax pipe replacement, and the side molds are generally switched about 4-6 times on both sides, and then the pump is sealed and poured. When pouring the cap, one pouring port is generally used for pouring. This method is affected by human factors, and the concrete flow distance is long, which is easy to produce the disadvantage of separation. Therefore, a tunnel longitudinal pouring device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tunnel longitudinal pouring equipment, comprising a portal-less secondary lining trolley and a longitudinal pouring trolley, wherein the longitudinal pouring trolley is arranged at one end of the portal-less secondary lining trolley;

[0007] A concrete floor pump and a concrete tanker, the concrete floor pump and the concrete tanker are connected, the concrete floor pump and the concrete tanker are both located at one end of the gantry-free secondary lining trolley away from the longitudinal casting trolley, and the concrete floor pump is connected to the longitudinal casting trolley through a bottom horizontal pipeline;

[0008] A pouring gun trolley is provided on the top of the longitudinal pouring trolley, a longitudinal pouring gun is provided on one side of the top of the longitudinal pouring trolley, one end of the longitudinal pouring gun extends to the interior of the gantry-less secondary lining trolley, chute systems are provided on both sides of the gantry-less secondary lining trolley, a pouring gun trolley is provided on the top of the gantry-less secondary lining trolley, the pouring gun trolley is used in conjunction with the longitudinal pouring gun, and a three-way material distribution trolley is provided on the top of the gantry-less secondary lining trolley;

[0009] The interior of the gantry-less secondary lining trolley is provided with a gantry assembly and a platform system, and the platform system is located above the gantry assembly. The outer wall of the gantry-less secondary lining trolley is provided with a primary support contour line and a secondary lining contour line, and multiple retractable platforms are provided on both sides of the gantry assembly.

[0010] In a possible design, a hydraulic station and an electric control system are provided at the bottom of the gantry-less secondary lining trolley, a plurality of walking systems are provided at the bottom of the gantry-less secondary lining trolley, and a plurality of ladder systems are provided on the inner side of the gantry-less secondary lining trolley.

[0011] In a possible design, both ends of the top of the three-way material distribution trolley are fixedly connected with material distribution chutes, and the chute system includes a third-layer material distribution chute, a second-layer material distribution chute and a first-layer material distribution chute, the third-layer material distribution chute is located above the second-layer material distribution chute, and the second-layer material distribution chute is located above the first-layer material distribution chute.

[0012] In a possible design, the two ends of the gantry-less secondary lining trolley are respectively provided with overlapping ends and blocking ends, and the bottom of the three-way material distribution trolley is provided with multiple trolley walking wheels and multiple trolley inverted wheels.

[0013] In a possible design, a three-way elbow is provided on the top of the three-way material distribution trolley, one end of the three-way elbow is fixedly connected to a butt pipe, one end of the butt pipe is connected to a longitudinal casting gun, and the same casting gun pressure cover is provided between the longitudinal casting gun and the butt pipe.

[0014] In a possible design, an extension joint is provided at one end of the longitudinal pouring gun.

[0015] In this application, when the longitudinal casting gun is in the side mold feeding state, the longitudinal casting gun is lifted to the bottom of the top mold and moves longitudinally to feed the material distribution channel below;

[0016] a. A three-way material distribution pipe is set at the longitudinal pouring gun head to distribute the material to both sides;

[0017] b. At the position of the longitudinal pouring gun tip, a walking trolley is set under the three-way material distribution pipe to hold the three-way pipe of the gun head and can be dragged along with the gun head;

[0018] c. On both sides of the three-way pipe, longitudinal material receiving troughs are set, and material distribution chutes are set on both sides of the material receiving trough to feed materials to the windows on both sides;

[0019] d. The feeding sequence is the first-layer window chute, the second-layer window chute, and the third-layer window chute;

[0020] 2. When the longitudinal pouring gun is in the pouring vault state, the longitudinal pouring gun is lifted to the top of the top form, passed through the steel cage, inserted to the rear of the vault of the second lining trolley, and pouring begins;

[0021] During the pouring process, the concrete will bury the gun head, and after a certain pressure is formed, the gun will be slowly withdrawn until the concrete pouring is completed.

[0022] 3. When the longitudinal pouring gun passes through the top steel cage, it can effectively verify whether the secondary lining steel bar binding complies with regulations.

[0023] In the utility model, the tunnel longitudinal pouring equipment described is used with the second lining trolley in conjunction with the longitudinal pouring trolley. When the longitudinal pouring gun is in the second lining trolley, it can be used for pouring the side formwork through the chute.

[0024] In the utility model, when the side wall of the secondary lining trolley is poured to the longitudinal pouring starting position line, the pouring gun is completely withdrawn, and then inserted into the top steel cage from the blocking end to perform top arch pouring;

[0025] In the utility model, the pouring trolley is used to drive the pouring gun backward, so that each chute hopper can be fed with materials, thereby achieving uniform pouring of 12 meters in length;

[0026] In the utility model, longitudinal pouring can replace the cost of making and processing pipelines of the concrete pouring system on both sides, reduces the labor intensity of pipeline cleaning operation, saves cleaning water and equipment and environmental pollution caused in the process of cleaning pipelines, beautifies and tidies the operating environment, and the second lining trolley enters the window to pour concrete at the top arch position, which only requires one observer, saving labor costs. The fast switching between working windows can realize uninterrupted pouring, saves the time of intermediate pipe changing, improves work efficiency, saves construction time, and improves construction quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a side structural schematic diagram of a tunnel longitudinal pouring equipment proposed by the utility model;

[0028] Figure 2 It is a three-dimensional structural schematic diagram of a longitudinal pouring trolley in a tunnel longitudinal pouring device proposed by the utility model;

[0029] Figure 3 It is a three-dimensional structural schematic diagram of a second lining trolley without a portal frame in a tunnel longitudinal pouring equipment proposed by the utility model;

[0030] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of a second lining trolley without a portal frame in a tunnel longitudinal pouring equipment proposed by the utility model;

[0031] Figure 5It is a three-dimensional structural schematic diagram of a chute system and a three-way material distribution trolley in a tunnel longitudinal pouring equipment proposed by the utility model;

[0032] Figure 6 This is a three-dimensional structural schematic diagram of a three-way material distribution trolley in a tunnel longitudinal pouring equipment proposed by the utility model;

[0033] Figure 7 The utility model provides a three-dimensional structural schematic diagram of a three-way material distribution trolley and a three-way elbow in a tunnel longitudinal pouring device.

[0034] In the figure: 1. Secondary lining trolley without gantry; 2. Bottom horizontal pipeline; 3. Longitudinal casting trolley; 4. Casting gun trolley; 5. Longitudinal casting gun; 6. Chute system; 7. Extension joint; 8. Three-way material distribution trolley; 9. Concrete floor pump; 10. Concrete tank truck; 11. Hydraulic station; 12. Electric control system; 14. Ladder system; 15. Walking system; 16. Platform system; 17. Gantry assembly; 18. Primary support contour line; 19. Secondary lining contour line; 20. Retractable platform; 21. Material distribution chute; 22. Third-layer material distribution chute; 23. Second-layer material distribution chute; 24. First-layer material distribution chute; 25. Overlap end; 26. Blocking end; 27. Trolley walking wheel; 28. Trolley inverted wheel; 29. ​​Casting gun pressure cover; 30. Butt pipe; 31. Three-way elbow. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0036] Example 1

[0037] Reference Figure 1-7 , a tunnel longitudinal pouring equipment, which is used in the field of secondary lining trolleys, comprises: a gantry-less secondary lining trolley 1 and a longitudinal pouring trolley 3, wherein the longitudinal pouring trolley 3 is arranged at one end of the gantry-less secondary lining trolley 1;

[0038] A concrete pump 9 and a concrete tanker 10 are connected to each other. The concrete pump 9 and the concrete tanker 10 are both located at one end of the gantry-less secondary lining trolley 1 away from the longitudinal casting trolley 3. The concrete pump 9 is connected to the longitudinal casting trolley 3 through a bottom horizontal pipeline 2.

[0039] A pouring gun trolley 4 is provided on the top of the longitudinal pouring trolley 3, and a longitudinal pouring gun 5 is provided on one side of the top of the longitudinal pouring trolley 3. One end of the longitudinal pouring gun 5 extends to the interior of the gantry-less secondary lining trolley 1. Both sides of the gantry-less secondary lining trolley 1 are provided with a chute system 6. A pouring gun trolley 4 is provided on the top of the gantry-less secondary lining trolley 1. The pouring gun trolley 4 is used in conjunction with the longitudinal pouring gun 5. When the longitudinal pouring gun 5 is in a pouring vault state, the longitudinal pouring gun 5 is lifted to the top of the top mold, passes through the steel cage, and is inserted into the rear of the vault of the secondary lining trolley to start pouring. When the longitudinal pouring gun 5 passes through the top steel cage, it can effectively verify whether the binding of the secondary lining steel bars meets the regulations;

[0040] During the pouring process, the concrete will bury the gun head, and after a certain pressure is formed, the gun will be slowly withdrawn until the concrete pouring is completed. A three-way material distribution trolley 8 is arranged on the top of the gantry-free second lining trolley 1. Both ends of the top of the three-way material distribution trolley 8 are fixedly connected with material distribution channels 21. The chute system 6 includes a third-layer material distribution chute 22, a second-layer material distribution chute 23 and a first-layer material distribution chute 24. The third-layer material distribution chute 22 is located above the second-layer material distribution chute 23, and the second-layer material distribution chute 23 is located above the first-layer material distribution chute 24. A three-way elbow 31 is arranged on the top of the three-way material distribution trolley 8. One end of the three-way elbow 31 is fixedly connected with a butt pipe 30. One end of the butt pipe 30 is connected to the longitudinal casting gun 5. The same casting gun pressure cover 29 is arranged between the longitudinal casting gun 5 and the butt pipe 30. When the longitudinal casting gun 5 is in the side mold feeding state, the longitudinal casting gun 5 is lifted to the bottom of the top mold and moves longitudinally to feed the material distribution channel 21 below.

[0041] a. A three-way material distribution pipe is set at the 5 ends of the longitudinal pouring gun to distribute the material to both sides;

[0042] b. At the position of the 5th tip of the longitudinal pouring gun, a walking trolley is set under the three-way material distribution pipe to hold the three-way pipe of the gun head and can be dragged along with the gun head;

[0043] c. On both sides of the three-way pipe, a longitudinal material receiving trough and material distribution trough 21 are set, and on both sides of the material receiving trough, a material distribution chute is set to feed the material to the windows on both sides;

[0044] d. The feeding sequence is the first-layer window chute, the second-layer window chute, and the third-layer window chute;

[0045] A gantry assembly 17 and a platform system 16 are arranged inside the gantry-less secondary lining trolley 1, and the platform system 16 is located above the gantry assembly 17. The outer wall of the gantry-less secondary lining trolley 1 is provided with a primary support contour line 18 and a secondary lining contour line 19, and multiple retractable platforms 20 are arranged on both sides of the gantry assembly 17. A hydraulic station 11 and an electric control system 12 are arranged at the bottom of the gantry-less secondary lining trolley 1, multiple walking systems 15 are arranged at the bottom of the gantry-less secondary lining trolley 1, and multiple ladder systems 14 are arranged on the inner side of the gantry-less secondary lining trolley 1. The two ends of the gantry-less secondary lining trolley 1 are respectively provided with overlapping ends 25 and blocking ends 26, and the bottom of the three-way material distribution trolley 8 is provided with multiple trolley walking wheels 27 and multiple trolley inverted wheels 28.

[0046] Example 2

[0047] refer to Figure 1-7 , improved on the basis of Example 1: an extension joint 7 is provided at one end of the longitudinal pouring gun 5.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tunnel longitudinal pouring equipment, characterized in that: include: A portal-less secondary lining trolley (1) and a longitudinal pouring trolley (3), wherein the longitudinal pouring trolley (3) is arranged at one end of the portal-less secondary lining trolley (1); A concrete floor pump (9) and a concrete tanker (10), the concrete floor pump (9) and the concrete tanker (10) being connected to each other, the concrete floor pump (9) and the concrete tanker (10) being both located at one end of the portal-less secondary lining trolley (1) away from the longitudinal casting trolley (3), the concrete floor pump (9) being connected to the longitudinal casting trolley (3) via a bottom horizontal pipeline (2); A pouring gun trolley (4) is arranged on the top of the longitudinal pouring trolley (3), a longitudinal pouring gun (5) is arranged on one side of the top of the longitudinal pouring trolley (3), one end of the longitudinal pouring gun (5) extends to the interior of the portal-less secondary lining trolley (1), both sides of the portal-less secondary lining trolley (1) are provided with a chute system (6), a pouring gun trolley (4) is arranged on the top of the portal-less secondary lining trolley (1), the pouring gun trolley (4) is used in conjunction with the longitudinal pouring gun (5), and a three-way material distribution trolley (8) is arranged on the top of the portal-less secondary lining trolley (1); The portal frame assembly (17) and the platform system (16) are arranged inside the portal frame-less secondary lining trolley (1); the platform system (16) is located above the portal frame assembly (17); the outer wall of the portal frame-less secondary lining trolley (1) is provided with a primary support contour line (18) and a secondary lining contour line (19); and a plurality of retractable platforms (20) are arranged on both sides of the portal frame assembly (17).

2. A tunnel longitudinal pouring equipment according to claim 1, characterized in that: A hydraulic station (11) and an electric control system (12) are arranged at the bottom of the gantry-less secondary lining trolley (1), a plurality of walking systems (15) are arranged at the bottom of the gantry-less secondary lining trolley (1), and a plurality of ladder systems (14) are arranged on the inner side of the gantry-less secondary lining trolley (1).

3. A tunnel longitudinal pouring equipment according to claim 1, characterized in that: Both ends of the top of the three-way material distribution trolley (8) are fixedly connected with material distribution chutes (21), and the chute system (6) includes a third-layer material distribution chute (22), a second-layer material distribution chute (23) and a first-layer material distribution chute (24), wherein the third-layer material distribution chute (22) is located above the second-layer material distribution chute (23), and the second-layer material distribution chute (23) is located above the first-layer material distribution chute (24).

4. A tunnel longitudinal pouring equipment according to claim 1, characterized in that: The two ends of the doorless secondary lining trolley (1) are respectively provided with overlapping ends (25) and blocking ends (26), and the bottom of the three-way material distribution trolley (8) is provided with a plurality of trolley running wheels (27) and a plurality of trolley hanging wheels (28).

5. The tunnel longitudinal pouring equipment according to claim 1, characterized in that: A three-way elbow (31) is arranged on the top of the three-way material distribution trolley (8), one end of the three-way elbow (31) is fixedly connected to a butt pipe (30), one end of the butt pipe (30) is connected to a longitudinal casting gun (5), and a same casting gun gland (29) is arranged between the longitudinal casting gun (5) and the butt pipe (30).

6. The longitudinal tunnel casting equipment according to claim 1, characterized in that: One end of the longitudinal pouring gun (5) is provided with an extended joint (7).

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