Visual end template automatic material distribution tunnel secondary lining construction device

Abstract

The utility model relates to an automatic material distribution tunnel secondary lining construction device with a visual end formwork. The automatic material distribution tunnel secondary lining construction device comprises the visual end formwork, a secondary lining trolley, an integral steel end formwork, a secondary lining formwork and a secondary lining automatic material distribution device. The visual end formwork is installed in an end formwork containing groove in the end formwork installation ring, reinforcing I-shaped steel is arranged on the outer side of the end formwork installation ring, an end formwork splicing plate is arranged at the end of the visual end formwork, and a visual window is formed in the upper portion of the visual end formwork. A tunnel secondary lining formwork is arranged on the inner side of a tunnel secondary lining, integral steel end molds are arranged on the two sides of the tunnel secondary lining, a hydraulic base and a supporting rod base are arranged on a stand column of a secondary lining trolley, one end of a hydraulic rod is connected with the hydraulic base, and the other end of the hydraulic rod is connected with a hydraulic rod supporting end at the upper end of the integral steel end mold. And an embedded grouting pipe is arranged on the secondary lining template. The compactness of the tunnel second lining vault concrete pipe is greatly improved, and the tunnel second lining vault concrete pipe has good comprehensive benefits.

Description

Technical Field

[0001] The utility model relates to a visualized end template automatic material distribution tunnel secondary lining construction device, which is mainly suitable for tunnel secondary lining concrete pouring. Background Art

[0002] At present, due to the differences in construction equipment, tooling, technology and management level, the secondary lining back is frequently de-aired in the construction of railway tunnels in my country. Some tunnels also have problems such as arch de-airing, thin lining thickness, and water leakage at construction joints. The de-airing of the secondary lining back will cause stress changes in the surrounding rock support structure, especially instability during shield construction, which will seriously affect shield construction and the normal operation of railway traffic. Furthermore, the treatment of tunnel secondary lining arch de-airing often consumes a lot of manpower and financial resources, which is not conducive to the orderly progress of construction.

[0003] Based on the actual requirements of complex construction conditions, high construction quality and tight construction period of engineering projects, an innovative visual end template automatic laying tunnel secondary lining and construction method with high construction efficiency, excellent construction quality and low safety risk is of great significance for strengthening the construction quality of railway tunnel secondary lining, solving problems existing in tunnel engineering and ensuring safe operation after opening to traffic. Summary of the invention

[0004] The utility model aims to improve the construction quality and pouring density of the tunnel secondary lining concrete pouring, and has better technical and economic benefits.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions: a visual end template automatic material distribution tunnel secondary lining construction device, including a visual end template, a secondary lining trolley, an integral steel end template, a secondary lining template, and a secondary lining automatic material distribution device;

[0006] The visualization end template is installed in the end template placement groove on the end template installation ring, a reinforcing I-beam is arranged on the outer side of the end template installation ring, an end template splicing plate is arranged at the end of the visualization end template, a visual window is arranged at the upper position of the visualization end template, and a tightening device is arranged at the lower position of the visualization end template;

[0007] A tunnel secondary lining formwork is arranged on the inner side of the tunnel secondary lining, and integral steel end molds are arranged on both sides of the tunnel secondary lining. A hydraulic base and a support rod base are arranged on the column of the secondary lining trolley, one end of the hydraulic rod is connected to the hydraulic base, and the other end of the hydraulic rod is connected to the hydraulic rod support end at the upper end of the integral steel end mold; one end of the end mold support rod is connected to the support rod base on the column of the secondary lining trolley, and the other end of the end mold support rod is connected to the integral steel end mold; a connecting plate is arranged on the integral steel end mold, and a trolley connecting plate is connected to the connecting plate, and the connecting plate and the trolley connecting plate are fixedly connected by inner fixing bolts; a steel end mold splicing end is arranged at the end of the integral steel end mold;

[0008] A pre-buried grouting pipe is arranged on the second lining formwork, a grouting pipe reserved hole for the pre-buried grouting pipe to pass through is arranged on the second lining formwork, and an open grouting port is arranged on the pre-buried grouting pipe.

[0009] Preferably, a splicing auxiliary plate is arranged between the end mold splicing plates of adjacent visualization end mold plates, and the cross section of the splicing auxiliary plate is U-shaped; a round head rod is connected to the splicing auxiliary plate.

[0010] Preferably, a sleeve is provided at the bottom of the reinforced I-beam, and a trolley embedded sleeve and a trolley embedded pull plate are provided on the trolley platform; an upper pull ring is provided on the top of the splicing auxiliary plate, a support rod is provided between the upper pull ring and the trolley embedded pull plate, an expansion support rod is connected to the trolley embedded sleeve, and the expansion support rod is provided between the trolley embedded sleeve and the sleeve at the bottom of the reinforced I-beam; an anti-camber rod is provided at the upper end of the reinforced I-beam, and the anti-camber rod is located on the outside of the visual end head template; a dynamic warning device for air displacement is provided on the inside of the visual end head template.

[0011] Preferably, the automatic material distribution device for the second lining comprises a rotating mechanism, a supporting oblique rod is arranged on the rotating mechanism, a material distribution platform is arranged on the top surface of the supporting oblique rod, a feed pipe through hole is arranged in the middle position of the material distribution platform, supporting steel sections are arranged at the four corners of the material distribution platform, a concrete temporary storage cylinder is arranged on the top, an oblique fixed material distribution pipe and a pressure valve are arranged on the side of the concrete temporary storage cylinder, and the pressure valve is connected to the material distribution pipe; a fixed grouting pipe is arranged on the top surface of the concrete temporary storage cylinder, the end of the fixed grouting pipe is connected to the vault grouting pipe, and a vault reinforcement grouting pipe is arranged in the middle position of the top surface of the concrete temporary storage cylinder; the bottom of the concrete temporary storage cylinder is connected to the feed pipe, and the feed pipe passes through the feed pipe through hole on the material distribution platform.

[0012] Preferably, a sealing ring is arranged in the gap between the pre-buried grouting pipe and the reserved hole of the grouting pipe, a flange is arranged on the lower side of the second lining formwork, a reinforcing flange is arranged on the lower side of the flange, and the reinforcing flange is fixed to the second lining formwork by bolts; anti-vibration support rod bases are arranged on both sides of the flange, and a threaded opening is arranged at the end of the pre-buried grouting pipe; one end of the anti-vibration support rod is arranged on the anti-vibration support rod base, and the other end of the anti-vibration support rod is connected to a reinforcing clamp arranged on the outer side of the end of the pre-buried grouting pipe, the threaded opening is connected to a pipe section with a CNC pressure gauge, a pipe interface is arranged on one side of the pipe section, the pipe interface is connected to the reinforcing grouting pipe, and a water-stop rubber strip is arranged on the outer side of the threaded opening; a top rubber strip is arranged at the upper end of the pre-buried grouting pipe.

[0013] Preferably, a prefabricated steel block base is provided at the end of the second lining formwork, a prefabricated steel block is provided on the prefabricated steel block base, a rubber edging is provided on the outer side of the prefabricated steel block, the prefabricated steel block is placed in the construction joint of the second lining, a waterstop steel plate is provided on the top of the prefabricated steel block, one end of the waterstop steel plate is placed in the second lining to be cast, an auxiliary reinforcement plate is provided on the prefabricated steel block base, a top rod and a pull ring are provided on the auxiliary reinforcement plate, an end waterstop strip is provided at the end of the prefabricated steel block base, and a steel plate diagonal brace is provided at the connection between the integral end steel formwork and the second lining formwork.

[0014] Preferably, the integral steel end mold is provided with end mold integral stiffening ribs.

[0015] The utility model has the following characteristics and beneficial effects:

[0016] 1. The utility model uses a visual end template, and a transparent visual window is set on the top of the visual end template to facilitate real-time observation of the concrete pouring process and ensure the fullness of the concrete pouring.

[0017] 2. The dynamic early warning technology for voids is adopted, and the amount and density of the vault concrete can be controlled in real time. It can effectively monitor the fullness of the lining vault pouring, prevent the occurrence of lining voids, improve the construction quality of the secondary lining, and enhance the quality of the project.

[0018] 3. The construction joint chamfering technology is adopted to reduce the cutting and grinding process of the construction joint after the concrete formwork is removed, achieving the quality requirements of solid inside and beautiful outside, and making up for the quality defects of the circumferential construction joint of the tunnel lining BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a diagram of visual terminal template installation;

[0020] Figure 2 It is a schematic diagram of the visual terminal template installation system;

[0021] Figure 3 It is a schematic diagram of the visual terminal template;

[0022] Figure 4 It is a schematic diagram of an automatic cloth distributing device;

[0023] Figure 5 This is a schematic diagram of the installation of the integral steel end form;

[0024] Figure 6 It is a schematic diagram of the integral steel end mold;

[0025] Figure 7 It is a schematic diagram of the integral steel end mold;

[0026] Figure 8 This is a schematic diagram of grouting with a second lining mold;

[0027] Fig. 9 It is a schematic diagram of the chamfer of the construction joint;

[0028] Fig.10 This is an enlarged view of the construction joint chamfer;

[0029] Among them: 1. Trolley platform, 2. Trolley pre-embedded pull plate, 3. Trolley pre-embedded sleeve, 4. Expansion support rod, 5. End mold mounting ring, 6. Tightening device, 7. End mold, 8. Visual window, 9. Upper pull ring, 10. Splicing auxiliary plate, 11. Round head rod, 12. End mold splicing plate, 13. Strengthening I-beam, 14. End mold placement groove, 15. Support rod, 16. Anti-camber rod, 17. End mold convex end, 18. Feed pipe , 19. Support steel, 20. Distribution pipe, 21. Pressure valve, 22. Temporary concrete storage cylinder, 23. Vault reinforcement grouting pipe, 24. Vault grouting pipe, 25. Fixed grouting pipe, 26. Oblique fixed distribution pipe, 27. Distribution platform, 28. Support diagonal rod, 29. Rotating mechanism, 30. Tunnel secondary lining, 31. Second lining trolley, 32. Support rod base, 33. Hydraulic base, 34. End mold support rod, 35 , hydraulic rod, 36, steel end mold splicing end, 37, hydraulic rod support end, 38, end mold integral stiffening plate, 39, integral steel end mold, 40, trolley connecting plate, 41, inner fixing bolts, 42, reinforced grouting pipe, 43, water-stop rubber strip, 44, stiffening clamp, 45, reinforced flange, 46, anti-vibration support rod base, 47, second lining template, 48, open grouting port, 49, top rubber strip, 50, Pre-buried grouting pipe, 51. Grouting plate placement groove, 52. Sealing ring, 53. Anti-trembling support rod, 54. Threaded mouth, 55. CNC pressure gauge, 56. Prefabricated steel block base, 57. Pull ring, 58. Push rod, 59. Auxiliary reinforcement plate, 60. End water stop strip, 61. Water stop steel plate, 62. Prefabricated steel block, 63. Rubber edging, 64. Second lining to be poured, 66. Steel plate diagonal support, 67. Dynamic early warning device for air displacement. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0031] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0032] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0033] The visual end formwork automatic material laying tunnel secondary lining construction device comprises a visual end formwork 7, a secondary lining trolley 31, a dynamic early warning device for air displacement 67, an integral steel end formwork 39, a secondary lining formwork 47, and a prefabricated steel block base 56.

[0034] The visualized end template 7 is installed in the end template placement groove 14 on the end template installation ring 5. The end template installation ring 5 is in an arc shape. The visualized end template 7 is connected in sequence along the curvature of the end template installation ring 5. A reinforcing I-beam 13 is arranged on the outside of the end template installation ring 5, an end template splicing plate 12 is arranged at the end of the visualized end template 7, a visual window 8 is arranged at the upper position of the visualized end template 7, a tightening device 6 is arranged at the lower position of the visualized end template 7, a sleeve is arranged at the bottom of the reinforcing I-beam 13, and a trolley pre-embedded sleeve 3 and a trolley pre-embedded pull plate 2 are arranged on the trolley platform 1. A splicing auxiliary plate 10 is arranged between the end template splicing plates 12 of adjacent visualized end templates 7, and the end template splicing plates 12 are spliced ​​by the splicing auxiliary plate 10, and the cross section of the splicing auxiliary plate 10 is U-shaped. The round-headed rod 11 is connected to the splicing auxiliary plate 10 , and the round-headed rod 11 passes through both the splicing auxiliary plate 10 and the end mold splicing plate 12 to achieve a fixed connection between the splicing auxiliary plate 10 and the end mold splicing plate 12 .

[0035] An upper pull ring 9 is provided on the top of the splicing auxiliary plate 10, a support rod 15 is provided between the upper pull ring 9 and the trolley embedded pull plate 2, an expansion support rod 4 is connected to the trolley embedded sleeve 3, and the expansion support rod 4 is provided between the trolley embedded sleeve 3 and the sleeve at the bottom of the reinforcing I-beam 13. An anti-camber rod 16 is provided at the upper end of the reinforcing I-beam 13, and the anti-camber rod 16 is located on the outside of the visual end template 7. A dynamic early warning device 67 for emptying is provided on the inside of the visual end template 7.

[0036] The automatic material distribution device for the secondary lining includes a rotating mechanism 29, on which a supporting inclined rod 28 is arranged, a material distribution platform 27 is arranged on the top surface of the supporting inclined rod 28, a feed pipe through hole is arranged in the middle of the material distribution platform 27, supporting steel sections 19 are arranged at the four corners of the material distribution platform 27, a concrete temporary storage cylinder 22 is arranged on the top, an oblique fixed material distribution pipe 26 and a pressure valve 21 are arranged on the side of the concrete temporary storage cylinder 22, and the pressure valve 21 is connected to the material distribution pipe 20. Three fixed grouting pipes 25 are arranged on the top surface of the concrete temporary storage cylinder 22, the fixed grouting pipes 25 are arranged obliquely, the ends of the fixed grouting pipes are connected to the vault grouting pipe 24, and the vault reinforcement grouting pipe 23 is arranged in the middle of the top surface of the concrete temporary storage cylinder 22. The bottom of the concrete temporary storage cylinder 22 is connected to the feed pipe 18, and the feed pipe 18 passes through the feed pipe through hole on the material distribution platform 27.

[0037] A tunnel secondary lining template 47 is arranged on the inner side of the tunnel secondary lining 30, a visual end template 7 is arranged at the top position of one end of the tunnel secondary lining 30, an integral steel end mold 39 is arranged at both sides of the tunnel secondary lining 30, a hydraulic base 34 and a support rod base 32 are arranged on the column of the secondary lining trolley 31, one end of the hydraulic rod 35 is connected to the hydraulic base 34, and the other end of the hydraulic rod 35 is connected to the hydraulic rod support end 37 at the upper end of the integral steel end mold 39. One end of the end mold support rod 34 is connected to the support rod base 32 on the column of the secondary lining trolley 31, and the other end of the end mold support rod 34 is connected to the integral steel end mold 39. A connecting plate is arranged on the integral steel end mold 39, and a trolley connecting plate 40 is connected to the connecting plate, and the connecting plate and the trolley connecting plate 40 are fixedly connected by inner fixing bolts 41. The integral steel end mold 39 is provided with an end mold integral stiffening rib 38, and a steel end mold splicing end 36 is provided at the end of the integral steel end mold 39. The two integral steel end molds 39 are connected through the steel end mold splicing end 36, and the steel end mold splicing ends 36 of the two integral steel end molds 39 are fastened and connected by bolts.

[0038] The second lining template 47 is provided with a pre-buried grouting pipe 50, and the second lining template 47 is provided with a grouting pipe reserved hole for the pre-buried grouting pipe 50 to pass through. The pre-buried grouting pipe 50 passes through the grouting pipe reserved hole on the second lining template 47, and the pre-buried grouting pipe 50 can be taken out while grouting. An open grouting port 48 is provided on the grouting pipe, and a grouting plate placement groove 51 is provided above the open grouting port 48. When the pre-buried grouting pipe 50 is taken out, the sealing plate of the open grouting port 48 rotates into the grouting plate placement groove 51, and a sealing ring 52 is provided in the gap between the pre-buried grouting pipe 50 and the grouting pipe reserved hole. A flange is provided on the lower side of the second lining template 47, and a reinforcing flange 45 is provided on the lower side of the flange. The reinforcing flange 45 is fixed to the second lining template 47 by bolts, and the bottom of the sealing ring 52 is fixed by the reinforcing flange 45; anti-vibration support rod bases 46 are provided on both sides of the flange, and a threaded port 54 is provided at the end of the pre-buried grouting pipe 50. One end of the anti-vibration support rod 53 is arranged on the anti-vibration support rod base 46, and the other end of the anti-vibration support rod 53 is connected to the reinforcing clamp 44 arranged on the outer side of the end of the pre-buried grouting pipe 50, the threaded opening 54 is connected to the pipe section with a numerical control pressure gauge 55, one side of the pipe section is provided with a pipe interface, the pipe interface is connected to the reinforcing grouting pipe 42, and a water-stop rubber strip is arranged on the outer side of the threaded opening 54. A top rubber strip 49 is arranged on the upper end of the pre-buried grouting pipe 50.

[0039] A prefabricated steel block base 56 is arranged at the end of the second lining formwork 47, and the prefabricated steel block base 56 is fixedly connected to the second lining formwork 47 by bolts. A prefabricated steel block 62 is arranged on the prefabricated steel block base 56, and a rubber edging 63 is arranged on the outer side of the prefabricated steel block 62. The prefabricated steel block 62 is placed in the construction joint of the second lining, and a waterstop steel plate 61 is arranged on the top of the prefabricated steel block 62. One end of the waterstop steel plate 61 is placed in the second lining to be cast. An auxiliary reinforcement plate 59 is arranged on the prefabricated steel block base 56, and a top rod 58 and a pull ring 57 are arranged on the auxiliary reinforcement plate 59. An end waterstop strip 60 is arranged at the end of the prefabricated steel block base 56, and a steel plate diagonal brace 66 is arranged at the connection between the integral end steel mold 39 and the second lining formwork 47.

[0040] The construction method of the tunnel secondary lining with automatic material placement of the visual end template includes the following steps:

[0041] Step 1, construction of the construction joint of the second lining formwork: after the second lining formwork is installed, a prefabricated steel block 62 with a rubber edging 63 is set between the cast second lining and the second lining to be cast. The prefabricated steel block 62 has the same curvature as the second lining formwork 47 and is divided into blocks with the second lining formwork; the prefabricated steel block base 56 at the bottom of the prefabricated steel block 62 is tightly attached to the second lining formwork 47, and the prefabricated steel block base 56 and the second lining formwork 47 are fixed with bolts; an auxiliary reinforcement plate 59 is set on the prefabricated steel block base 56, a top rod 58 is set on the auxiliary reinforcement plate 59, the auxiliary reinforcement plate 59 is connected to the prefabricated steel block base 56 through the top rod 58, and a pull ring 57 is set on the auxiliary reinforcement plate 59; a waterstop steel plate 61 is embedded in the cast second lining, and one end of the waterstop steel plate 61 is placed in the second lining to be cast; when dismantling, the pull ring 57 is used to assist in dismantling the prefabricated steel block base 56.

[0042] Step 2, installation of grouting pipe with mold: After the installation of the second lining template 47 of the tunnel is completed, the pre-buried grouting pipe 50 is first installed in the reserved hole of the grouting pipe, and an open grouting port 48 is set on the pre-buried grouting pipe 50, and a grouting plate placement groove 51 is set above the open grouting port 48; a top rubber strip 49 is installed at the upper end of the pre-buried grouting pipe 50, and then a sealing ring 52 is set in the gap between the reserved hole of the grouting pipe and the pre-buried grouting pipe 50, and the bottom of the sealing ring 52 is fixed by a reinforcing flange 45, and the top The rubber strip 49 is pressed against the initial support; anti-vibration strut bases 46 are installed on both sides of the reinforcing flange 45, a reinforcing clamp 44 is arranged on the outer side of the end of the embedded grouting pipe 50, and an anti-vibration strut 53 is installed between the reinforcing clamp 44 and the anti-vibration strut base 46; a water-stop rubber strip 43 is arranged on the outer side of the threaded opening 54 at the bottom of the embedded grouting pipe 50, a pipe section with a CNC pressure gauge 55 is connected to the threaded opening 54, and a pipe interface is arranged on one side of the pipe section, which is connected to the reinforced grouting pipe 42.

[0043] Step 3, installation of the visualized end template: on the trolley platform 1 of the secondary lining trolley 31, the trolley embedded pull plate 2 and the trolley embedded sleeve 3 are sequentially installed; the end mold mounting ring 5 is installed at the end of the secondary lining template 47, and the end mold placement groove is arranged on the end mold mounting ring 5, and then the visualized end template 7 is sequentially installed in the end mold placement groove; the dynamic early warning device 67 for air displacement is installed on the inner side of the visualized end template 7; the end mold splicing plate 12 is arranged at the end of the visualized end template 7, and the end mold splicing plates 12 of adjacent visualized end templates 7 are auxiliary spliced ​​by splicing auxiliary plates 10; the upper pull ring 9 is arranged on the splicing auxiliary plate 10, and the support rod 15 is arranged between the splicing auxiliary plate 10 and the trolley platform 1, and the support rod 15 is arranged between the splicing auxiliary plate 10 and the trolley platform 1. One end of the rod 15 is connected to the upper pull ring 9 on the splicing auxiliary plate 10, and the other end of the support rod 15 is connected to the trolley embedded pull plate 2 on the trolley platform 1; a visual window 8 is arranged at the upper position of the visual end head template 7, and a tightening device 6 is arranged between the lower part of the visual end head template 7 and the end mold convex end 17 on the end mold mounting ring 5; a reinforced I-beam 13 is arranged at the upper end of the end mold mounting ring 5, an anti-camber rod 16 is arranged at the upper end of the reinforced I-beam 13, a sleeve is arranged at the bottom of the reinforced I-beam 13, and an expansion support rod 4 is arranged between the trolley embedded sleeve 3 and the sleeve at the bottom of the reinforced I-beam 13; the tightening device is adjusted according to the actual end cross-section to ensure that there is no gap between the template and the initial support.

[0044] Step 4, installation of the integral steel mold: install the hydraulic base 33 and the strut base 32 on the column of the second lining trolley, and then install the integral steel end mold 39 on the lower side of the visualized end mold. The inner side of the integral steel end mold 39 is connected to the trolley connecting plate by bolts, and then install the end mold strut 34 and the hydraulic rod 35 between the integral steel end mold 39 and the column of the second lining trolley. One end of the hydraulic rod 35 is connected to the hydraulic base 33, and the other end of the hydraulic rod 35 is connected to the hydraulic base 33 and the hydraulic strut support end 37 on the integral steel end mold 39; one end of the end mold strut 34 is connected to the strut base 32, and the other end of the strut base 32 is connected to the integral steel end mold 39.

[0045] Step 5: Install the automatic material distribution device: Install the rotating mechanism of the automatic material distribution device on the second lining trolley, set the supporting inclined rod 28 on the rotating mechanism 29, set the material distribution platform 27 on the top of the supporting inclined rod 28, set the feeding pipe through hole in the middle of the material distribution platform 27, set the supporting steel 19 at the four corners of the material distribution platform 27, set the concrete temporary storage cylinder 22 on the top of the supporting steel 19, set the oblique fixed material distribution pipe 26 and the pressure valve 21 on the side of the concrete temporary storage cylinder 22, and connect the pressure valve 21 to the material distribution platform 27. material pipe 20; three fixed grouting pipes 25 are arranged on the top surface of the temporary concrete storage barrel 22, and the fixed grouting pipes 25 are arranged obliquely, and the ends of the fixed grouting pipes 25 are connected to the vault grouting pipe 24, and the vault reinforcement grouting pipe 23 is arranged in the middle position of the top surface of the temporary concrete storage barrel 22; the bottom of the temporary concrete storage barrel 22 is connected to the feed pipe 18, and the feed pipe 18 passes through the feed pipe through hole on the distribution platform 27 to complete the installation of the automatic distribution device; after the automatic distribution device is installed, concrete pouring is then carried out.

[0046] Step 6, second lining strip form grouting construction: after the first concrete pouring is completed and before the initial setting, the second lining strip form grouting reinforcement is carried out, and the pre-buried grouting pipe 50 is raised while grouting. When raised, the sealing plate of the open grouting port 48 is rotated to the grouting plate placement groove 51 to achieve the reuse of the pre-buried grouting pipe 50.

[0047] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. Visualized end template automatic material distribution tunnel secondary lining construction device, characterized in that: It comprises a visual end template (7), a secondary lining trolley (31), an integral steel end template (39), a secondary lining template (47), and a secondary lining automatic material distribution device; The visualized end template (7) is installed in an end template placement groove (14) on an end template installation ring (5), a reinforcing I-beam (13) is arranged on the outer side of the end template installation ring (5), an end template splicing plate (12) is arranged at the end of the visualized end template (7), a visual window (8) is arranged at the upper position of the visualized end template (7), and a tightening device (6) is arranged at the lower position of the visualized end template (7); A tunnel secondary lining template (47) is arranged on the inner side of the tunnel secondary lining (30), an integral steel end mold (39) is arranged on both sides of the tunnel secondary lining (30), a hydraulic base (33) and a support rod base (32) are arranged on the column of the secondary lining trolley (31), one end of the hydraulic rod (35) is connected to the hydraulic base (33), and the other end of the hydraulic rod (35) is connected to the hydraulic rod support end (37) at the upper end of the integral steel end mold (39); the end mold support rod ( One end of the end mold support rod (34) is connected to the support rod base (32) on the column of the second lining trolley (31), and the other end of the end mold support rod (34) is connected to the integral steel end mold (39); a connecting plate is provided on the integral steel end mold (39), and a trolley connecting plate (40) is connected to the connecting plate, and the connecting plate and the trolley connecting plate (40) are fixedly connected by inner fixing bolts (41); a steel end mold splicing end (36) is provided at the end of the integral steel end mold (39); A pre-buried grouting pipe (50) is arranged on the second lining template (47), a grouting pipe reserved hole for the pre-buried grouting pipe (50) to pass through is arranged on the second lining template (47), and an open grouting port (48) is arranged on the pre-buried grouting pipe (50).

2. The visual end template automatic material distribution tunnel secondary lining construction device according to claim 1 is characterized in that: A splicing auxiliary plate (10) is arranged between the end mold splicing plates (12) of adjacent visualization end mold plates (7), and the cross section of the splicing auxiliary plate (10) is U-shaped; a round head rod (11) is connected to the splicing auxiliary plate (10).

3. The visual end template automatic material distribution tunnel secondary lining construction device according to claim 2 is characterized in that: A sleeve is arranged at the bottom of the reinforced I-beam (13), and a trolley pre-embedded sleeve (3) and a trolley pre-embedded pull plate (2) are arranged on the trolley platform (1); an upper pull ring (9) is arranged at the top of the splicing auxiliary plate (10), a support rod (15) is arranged between the upper pull ring (9) and the trolley pre-embedded pull plate (2), an expansion support rod (4) is connected to the trolley pre-embedded sleeve (3), and the expansion support rod (4) is arranged between the trolley pre-embedded sleeve (3) and the sleeve at the bottom of the reinforced I-beam (13); an anti-outward tilt rod (16) is arranged at the upper end of the reinforced I-beam (13), and the anti-outward tilt rod (16) is located on the outside of the visual end template (7); and a dynamic early warning device (67) for air displacement is arranged on the inside of the visual end template (7).

4. The visual end template automatic material distribution tunnel secondary lining construction device according to claim 1 is characterized in that: The second lining automatic material distribution device comprises a rotating mechanism (29), a supporting inclined rod (28) is arranged on the rotating mechanism (29), a material distribution platform (27) is arranged on the top surface of the supporting inclined rod (28), a feeding pipe through hole is arranged in the middle position of the material distribution platform (27), supporting steel sections (19) are arranged at the four corners of the material distribution platform (27), a concrete temporary storage cylinder (22) is arranged on the top, and an oblique fixed material distribution pipe (26) and a pressure valve are arranged on the side of the concrete temporary storage cylinder (22). (21), the pressure valve (21) is connected to the distribution pipe (20); three fixed grouting pipes (25) are arranged on the top surface of the temporary concrete storage tube (22), the ends of the fixed grouting pipes are connected to the arch grouting pipe (24), and the arch reinforcement grouting pipe (23) is arranged in the middle position of the top surface of the temporary concrete storage tube (22); the bottom of the temporary concrete storage tube (22) is connected to the feed pipe (18), and the feed pipe (18) passes through the feed pipe through hole on the distribution platform (27).

5. The visual end template automatic material distribution tunnel secondary lining construction device according to claim 1 is characterized in that: A sealing ring (52) is arranged in the gap between the pre-buried grouting pipe (50) and the reserved hole of the grouting pipe; a flange is arranged on the lower side of the second lining template (47); a reinforcing flange (45) is arranged on the lower side of the flange; the reinforcing flange (45) is fixed to the second lining template (47) by bolts; anti-vibration support rod bases (46) are arranged on both sides of the flange; a threaded opening (54) is arranged at the end of the pre-buried grouting pipe (50); one end of the anti-vibration support rod (53) is arranged on the anti-vibration support rod base (46); the other end of the anti-vibration support rod (53) is connected to a reinforcing clamp (44) arranged on the outer side of the end of the pre-buried grouting pipe (50); the threaded opening (54) is connected to a pipe section with a numerical control pressure gauge (55); a pipe interface is arranged on one side of the pipe section; the pipe interface is connected to the reinforcing grouting pipe (42); a water-stopping rubber strip is arranged on the outer side of the threaded opening (54); a top rubber strip (49) is arranged at the upper end of the pre-buried grouting pipe (50).

6. The visual end template automatic material distribution tunnel secondary lining construction device according to claim 1 is characterized in that: A prefabricated steel block base (56) is arranged at the end of the second lining formwork (47), a prefabricated steel block (62) is arranged on the prefabricated steel block base (56), a rubber edging (63) is arranged on the outer side of the prefabricated steel block (62), the prefabricated steel block (62) is placed in the second lining construction joint, a water stop steel plate (61) is arranged on the top of the prefabricated steel block (62), one end of the water stop steel plate (61) is placed in the second lining to be poured, an auxiliary reinforcement plate (59) is arranged on the prefabricated steel block base (56), a top rod (58) and a pull ring (57) are arranged on the auxiliary reinforcement plate (59), an end water stop strip (60) is arranged at the end of the prefabricated steel block base (56), and a steel plate diagonal brace (66) is arranged at the connection between the integral steel end formwork (39) and the second lining formwork (47).

7. The visual end template automatic material distribution tunnel secondary lining construction device according to claim 1 is characterized in that: The integral steel end mold (39) is provided with an end mold integral stiffening rib (38).

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