Fabricated tunnel top plate with good compression resistance effect

Abstract

The utility model discloses an assembly type tunnel top plate with a good compression resistance effect, which comprises a top layer water absorption layer and a top plate main body, and the top layer water absorption layer is arranged at the top end of the top plate main body. The assembling grooves and the assembling blocks which are connected in a matched mode are arranged on the left side and the right side of the top plate body, the assembling grooves and the assembling blocks correspond to each other during installation, efficient and rapid installation of the top plate body can be achieved, and the fastening bolts are further connected with a top concrete layer through the bolt grooves formed in the top plate body. Furthermore, through the arrangement of the assembly grooves and the assembly blocks, the initial stress structure is stable and free of faults, then the stress between the adjacent top plate bodies is further increased by penetrating through the columnar beams after the adjacent top plate bodies are installed, and the compression resistance effect of the top plate bodies is good; the upper and lower top water absorption layers and the bottom waterproof layer are arranged in the top plate main body, so that the double-layer waterproof effect of the top end and the bottom end is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel roof assembly, and particularly relates to a prefabricated tunnel roof with good compressive effect. Background Technique

[0002] Urban traffic is a primary issue in urban development. With the expansion of the urban scale, the limited urban ground space, the saturated road traffic flow and the increasing number of vehicles, it is possible to utilize the underground space to build underground tunnels, so as to relieve the congestion of ground traffic and improve the urban traffic conditions.

[0003] Chinese Patent Authorization Publication No. CN 110159303A discloses a connection node of an underground tunnel roof, which includes an arc plate, a vertical plate, a horizontal plate, a pipe gallery, an underground supply cabin, a connection channel, an underground functional area, a tenon head, a vertical plate extension rib, a horizontal plate extension rib, a mortise groove, a vertical plate reserved hole, a horizontal plate reserved hole, a vertical plate horizontal connection frame, a horizontal plate horizontal connection frame, and a nut. A mortise groove is arranged on the left side of the arc plate, an arc tenon head is arranged on the right side, a vertical plate reserved hole is arranged on the left side of the vertical plate, a vertical plate extension rib is arranged on the right side, a horizontal plate reserved hole is arranged on the left side of the horizontal plate, and a horizontal plate extension rib is arranged on the right side. The beneficial effects of the invention are reliable connection, good integrity, prevention of lateral displacement, reduction of resource loss, simplification of construction, and significant shortening of the construction period; saving formwork, convenient installation, the components can be repeatedly disassembled and recycled, promoting the development of the prefabricated concrete underground industry in China.

[0004] The above-mentioned existing technical solutions have the following deficiencies. During the use of the technical solution, its overall structure is relatively large, requiring too many grooves to be opened, and it is relatively lacking in sound insulation and noise reduction. Therefore, there is a certain room for optimization. Therefore, it is necessary to design a prefabricated tunnel roof with good compressive effect to solve the above-mentioned problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a prefabricated tunnel roof with good compressive effect to solve the problems of large structure, too many grooves to be opened, and relatively lacking in sound insulation and noise reduction mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A prefabricated tunnel roof with good compressive effect, including a top water absorption layer and a roof main body, and the top water absorption layer is arranged at the top of the roof main body.

[0007] On one side inside the top plate main body, an assembly groove is opened. Inside the top plate main body, bolt grooves are evenly opened, and fastening bolts are connected inside the bolt grooves. On one side of the top plate main body, an assembly block is fixed. Inside the top plate main body, a first through groove is opened, and a columnar beam passes through the inside of the first through groove. At the bottom end of the top plate main body, a bottom waterproof layer is provided, and a sound insulation board is provided at the bottom end of the bottom waterproof layer. Inside the columnar beam, second through grooves are evenly opened. The fastening bolts all pass through the inside of the columnar beam. A concrete layer is provided at the top end of the top layer water absorption layer.

[0008] Preferably, a slot is opened on one side of the columnar beam, and a plug is fixed on the other side of the columnar beam, and the plug is connected to the slot.

[0009] Preferably, the size of the plug matches the size of the slot, and both the plug and the slot are arranged in a cylindrical shape.

[0010] Preferably, the sound insulation board is composed of a sound insulation layer, a foam layer, and a sound absorption layer. The foam layer is provided on the outer side of the sound insulation layer, and the sound absorption layer is provided on the outer side of the foam layer.

[0011] Preferably, the material of the sound insulation layer is sound insulation cotton, and the material of the sound absorption layer is modified sponge.

[0012] Preferably, the widths of the assembly grooves all match the width of the assembly block, and the cross-sections of the assembly groove and the assembly block are both arranged in a T shape.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The assembled tunnel top plate with this setting not only realizes simple installation, good compressive effect, but also realizes the effects of waterproofing and sound insulation;

[0014] By providing mutually matching assembly grooves and assembly blocks on the left and right sides of the top plate main body, they can be snapped into place by corresponding to each other during installation to achieve efficient and rapid installation of the top plate main body. Then, through the bolt grooves opened inside, the fastening bolts are further connected to the top layer concrete layer, thereby strengthening the connection effect between each layer. Further, the preliminary force-bearing structure is stable and there is no fault due to the setting of the assembly groove and the assembly block. Secondly, after the adjacent top plate main bodies are installed, the columnar beam is penetrated to further increase the force between the adjacent top plate main bodies, making its compressive effect good;

[0015] By providing an upper and lower layer top layer water absorption layer and a bottom waterproof layer inside the top plate main body, a double-layer waterproof effect at the top and bottom is realized, and the enhanced sound insulation effect of the top plate main body is realized through the provided sound insulation layer, foam layer, and sound absorption layer, so as to improve the diversity of the functions of the top plate main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic cross-sectional structure diagram of the main body of the present invention;

[0018] Figure 2 It is a schematic front view structure diagram of the assembled state of the present invention;

[0019] Figure 3 It is a schematic side view structure diagram of the present invention;

[0020] Figure 4 It is a schematic three-dimensional structure diagram of the columnar beam of the present invention;

[0021] Figure 5 It is a schematic internal structure diagram of the sound insulation board of the present invention.

[0022] Explanation of the reference numerals in the drawings: 1, top water absorption layer; 2, roof plate main body; 3, concrete layer; 4, assembly groove; 5, assembly block; 6, first through groove; 7, fastening bolt; 8, bottom waterproof layer; 9, bolt groove; 10, sound insulation board; 11, insertion block; 12, columnar beam; 13, second through groove; 14, slot; 15, sound insulation layer; 16, foam layer; 17, sound absorption layer. Specific embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0024] Please refer to Figures 1 - 5 , an embodiment provided by the present invention: an assembled tunnel roof plate with good compressive effect, including a top water absorption layer 1 and a roof plate main body 2. The top water absorption layer 1 is arranged at the top of the roof plate main body 2, and an assembly groove 4 is opened on one side inside the roof plate main body 2;

[0025] The widths of the assembly grooves 4 are all matched with the widths of the assembly blocks 5, and the cross-sections of the assembly grooves 4 and the assembly blocks 5 are both arranged in a T shape;

[0026] Specifically, asFigure 1 As shown, during use, the two top plate bodies 2 are connected by snapping the assembly grooves 4 and the assembly blocks 5;

[0027] The inside of the top plate body 2 is evenly provided with bolt grooves 9, and a fastening bolt 7 is connected inside the bolt grooves 9. One side of the top plate body 2 is fixed with an assembly block 5. A first through groove 6 is provided inside the top plate body 2, and a columnar beam 12 penetrates through the inside of the first through groove 6;

[0028] A slot 14 is provided on one side of the columnar beam 12, and a plug 11 is fixed on the other side of the columnar beam 12. The size of the plug 11 matches the size of the slot 14. Both the plug 11 and the slot 14 are set to be cylindrical and the plug 11 is connected to the slot 14;

[0029] Specifically, as Figure 2 shown, during use, the position where the plug 11 is snapped into the slot 14, and the columnar beams 12 are connected in pairs;

[0030] A bottom waterproof layer 8 is provided at the bottom end of the top plate body 2, and a sound insulation board 10 is provided at the bottom end of the bottom waterproof layer 8;

[0031] The sound insulation board 10 is composed of a sound insulation layer 15, a foam layer 16, and a sound absorption layer 17. The foam layer 16 is provided on the outer side of the sound insulation layer 15, and the sound absorption layer 17 is provided on the outer side of the foam layer 16. The material of the sound insulation layer 15 is sound insulation cotton, and the material of the sound absorption layer 17 is modified sponge;

[0032] Specifically, as Figure 5 shown, during use, the three-layer material is arranged on a composite board to achieve a sound insulation effect;

[0033] The inside of the columnar beam 12 is evenly provided with second through grooves 13, and the fastening bolts 7 all penetrate through the inside of the columnar beam 12;

[0034] A concrete layer 3 is provided at the top end of the top layer water absorption layer 1.

[0035] Working principle: When the utility model is in use, fitting grooves 4 and fitting blocks 5 which are matched and connected are arranged on the left and right sides of the main roof body 2. During installation, they can be snapped into place by corresponding to each other, achieving the efficient and rapid installation of the main roof body 2. Then, through the bolt grooves 9 opened inside, fastening bolts 7 are used to further connect with the top concrete layer 3, thereby strengthening the connection effect between layers. Further, the preliminary force-bearing structure is stable and there is no fault due to the arrangement of the fitting grooves 4 and fitting blocks 5. Secondly, after the adjacent main roof bodies 2 are installed, the columnar beams 12 penetrate through them to further increase the force between the adjacent main roof bodies 2, making its compressive effect good. Secondly, an upper and lower top water-absorbing layer 1 and a bottom waterproof layer 8 are arranged inside the main roof body 2 to achieve the double waterproof effect at the top and bottom. And through the arranged sound insulation layer 15, foam layer 16, and sound absorption layer 17, the sound insulation effect of the main roof body 2 is strengthened to improve the diversity of the functions of the main roof body 2.

[0036] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0037] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. An assembled tunnel roof with good compression resistance, comprising a top water-absorbing layer (1) and a roof body (2), wherein the top water-absorbing layer (1) is arranged on the top of the roof body (2); Features: An assembly groove (4) is provided on one side of the top plate body (2), bolt grooves (9) are uniformly provided on the inside of the top plate body (2), and a fastening bolt (7) is connected to the inside of the bolt groove (9), an assembly block (5) is fixed on one side of the top plate body (2), a first through groove (6) is provided on the inside of the top plate body (2), and a column beam (12) is penetrated inside the first through groove (6), a bottom waterproof layer (8) is provided at the bottom end of the top plate body (2), and a sound insulation board (10) is provided at the bottom end of the bottom waterproof layer (8), a second through groove (13) is uniformly provided on the inside of the column beam (12), and the fastening bolts (7) all penetrate the inside of the column beam (12), and a concrete layer (3) is provided on the top of the top water-absorbing layer (1).

2. The assembled tunnel roof with good compression resistance according to claim 1, characterized in that: A slot (14) is provided on one side of the column beam (12), and an insert block (11) is fixed on the other side of the column beam (12), and the insert block (11) is connected to the slot (14).

3. The assembled tunnel roof with good compression resistance according to claim 2, characterized in that: The size of the insert block (11) matches the size of the slot (14), and both the insert block (11) and the slot (14) are configured to be cylindrical.

4. The assembled tunnel roof with good compression resistance according to claim 1, characterized in that: The sound insulation board (10) is composed of a sound insulation layer (15), a foam layer (16), and a sound absorption layer (17); the foam layer (16) is arranged on the outer side of the sound insulation layer (15), and the sound absorption layer (17) is arranged on the outer side of the foam layer (16).

5. The assembled tunnel roof with good compression resistance according to claim 4 is characterized in that: The material of the sound insulation layer (15) is sound insulation cotton, and the material of the sound absorption layer (17) is modified sponge.

6. The assembled tunnel roof with good compression resistance according to claim 1, characterized in that: The width of the assembly groove (4) matches the width of the assembly block (5), and the cross-sections of the assembly groove (4) and the assembly block (5) are both arranged to be T-shaped.

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