A tunnel grid concrete lining structure

Abstract

The present invention belongs to the field of tunnel lining, and in particular to a tunnel grid concrete lining structure. In view of the problem that the existing tunnel lining is not convenient for rapid assembly during construction, which leads to low construction efficiency and great construction difficulty, the following scheme is proposed, which includes a base plate, wherein the bottom of the base plate is fixedly connected to an inverted arch, an arch ring is connected to the inverted arch, a concrete layer is provided in the inverted arch and the arch ring, two symmetrical mounting seats are fixedly installed on the inner wall of the arch ring, a supporting mechanism is provided on the two mounting seats, two first sliding grooves are provided on the top of the inverted arch, first clamping plates are slidably installed in the two first sliding grooves, a first clamping slot is provided at the bottom of the arch ring, and the two first clamping plates respectively cooperate with the two first clamping slots. The present invention can be convenient for rapid assembly during use, thereby effectively improving construction efficiency and reducing construction difficulty, and has a simple structure and is easy to use.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel lining, and in particular to a tunnel grid concrete lining structure. Background Art

[0002] Tunnel linings are permanent structures that support and maintain the long-term stability and durability of tunnels. Their functions include: supporting and maintaining tunnel stability; maintaining the required clearance for trains; preventing weathering of the surrounding rock; and mitigating the effects of groundwater. Therefore, tunnel linings must possess sufficient strength, durability, and adequate resistance to freezing, seepage, and erosion.

[0003] In the existing technology, tunnel lining is not easy to assemble quickly during construction, which leads to low construction efficiency and great construction difficulty. To this end, we propose a tunnel grid concrete lining structure to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that tunnel lining is not easy to assemble quickly during construction, which leads to low construction efficiency and great construction difficulty, and to propose a tunnel grid concrete lining structure.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A tunnel grid concrete lining structure includes a base plate, wherein the bottom of the base plate is fixedly connected to an inverted arch, an arch ring is connected to the inverted arch, a concrete layer is provided in the inverted arch and the arch ring, two symmetrical mounting seats are fixedly installed on the inner wall of the arch ring, a supporting mechanism is provided on the two mounting seats, two first sliding grooves are provided at the top of the inverted arch, first clamping plates are slidably installed in the two first sliding grooves, a first clamping groove is provided at the bottom of the arch ring, the two first clamping plates respectively cooperate with the two first clamping grooves, two first empty slots are provided in the base plate and the inverted arch, a second clamping plate and a third clamping plate are fixedly connected to one side of the inverted arch and the arch ring, a second clamping groove and a third clamping groove are respectively provided on the other side of the inverted arch and the arch ring, the second clamping plate and the third clamping plate respectively cooperate with the second clamping groove and the third clamping groove, a second empty slot is provided in the two mounting seats, and two third empty slots are provided in the arch ring.

[0007] Preferably, a second through hole is provided on the top inner wall of the two first empty slots, a rotating rod is rotatably installed in the two second through holes, a first hand wheel is fixedly installed at one end of the two rotating rods, a first sprocket is fixedly installed on the outer side of the two rotating rods, and the first sprocket and the second sprocket are meshed with the same first chain.

[0008] Preferably, a third through hole is provided on the top inner wall of the second slide groove, a mounting groove is provided on one side inner wall of the first empty groove, the third through hole is communicated with the mounting groove, a second threaded groove is provided on the top of the clamping block, a second screw is threadedly installed in the second threaded groove, a fourth sprocket is fixedly installed on one end of the second screw, and the fourth sprocket is meshed with the same second chain on the third sprocket.

[0009] Preferably, the top inner wall and the bottom inner wall of the two second empty slots are provided with a fourth through hole, the four fourth through holes are respectively connected to the four second sliding slots, the four support columns are provided with a third thread groove, the four third thread grooves are threadedly installed with a third screw, and one end of the four third screws is fixedly installed with a second bevel gear.

[0010] Preferably, third sliding grooves are provided on both sides of the third clamping plate, and clamping columns are slidably installed in the two third sliding grooves. Second rectangular grooves are provided on the inner walls on both sides of the third clamping groove, and the two clamping columns respectively cooperate with the two second rectangular grooves.

[0011] Preferably, a sixth through hole is provided on the inner walls on both sides of the third empty slot, the two sixth through holes are respectively communicated with the two third sliding slots, a fourth thread groove is provided on one side of the two clamping columns, the same bidirectional screw rod is installed with threads in the two fourth thread grooves, the second pulley and the first pulley are respectively fixedly installed on the outer side of the bidirectional screw rod and one end of the rotating shaft, and the second pulley and the first pulley are connected to the same belt for transmission.

[0012] Preferably, a fifth through hole is opened on one side of the two mounting seats, the fifth through hole is communicated with the second empty slot and the third empty slot, a rotating shaft is rotatably installed in the two fifth through holes, a second hand wheel is fixedly installed at one end of the two rotating shafts, and a first bevel gear is fixedly installed on the outer side of the two rotating shafts, and the first bevel gear is meshed with the two second bevel gears.

[0013] Preferably, the support mechanism includes four support columns, and second sliding grooves are provided on the top and bottom of the two mounting seats. The four support columns are slidably installed in the four second sliding grooves respectively, and the same arc-shaped support plate is placed on the two mounting seats, and the two support columns cooperate with the arc-shaped support plate.

[0014] Preferably, a second sliding groove is provided at the bottom of the second clamping plate, a clamping block is slidably installed in the second sliding groove, a first rectangular groove is provided on the inner wall of the bottom of the second clamping groove, and the clamping block cooperates with the first rectangular groove.

[0015] Preferably, a first through hole is provided on the inner wall of the bottom of the two first sliding grooves, and the two first through holes are respectively communicated with the two first empty grooves. A first threaded groove is provided on the bottom of the two first clamping plates, and a first screw is threadedly installed in the two first threaded grooves. The second sprocket and the third sprocket are fixedly installed on the outer side of the two first screws.

[0016] In the present invention, the beneficial effects of the tunnel grid concrete lining structure are:

[0017] 1. In this solution, when the first hand wheel is rotated, the first hand wheel drives the rotating rod to rotate, the rotating rod drives the first sprocket to rotate, the first sprocket drives the second sprocket to rotate through the first chain, the second sprocket drives the first screw to rotate, and the first screw drives the first clamping plate to move vertically. By matching the first clamping plate with the first clamping groove, the inverted arch and the arch ring can be spliced.

[0018] 2. In this solution, when the first screw rotates, the first screw drives the third sprocket to rotate, the third sprocket drives the fourth sprocket to rotate through the second chain, the fourth sprocket drives the second screw to rotate, and the second screw drives the clamping block to move vertically. By matching the clamping block with the first rectangular groove, the two inverted arches can be quickly spliced.

[0019] 3. In this solution, when the second hand wheel is rotated, the second hand wheel drives the rotating shaft to rotate, the rotating shaft drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the belt, the second pulley drives the bidirectional screw to rotate, and the bidirectional screw drives the two clamping columns to move away from each other. By setting the two clamping columns to cooperate with the two second rectangular grooves respectively, the two clamping columns can quickly splice the two arch rings.

[0020] The present invention can be easily and quickly assembled during use, thereby effectively improving construction efficiency and reducing construction difficulty, and has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main view of a tunnel grid concrete lining structure proposed by the present invention;

[0022] Figure 2 This is a schematic side view of a tunnel grid concrete lining structure proposed by the present invention;

[0023] Figure 3 This is a structural schematic diagram of the third clamping plate of a tunnel grid concrete lining structure proposed by the present invention;

[0024] Figure 4 A tunnel grid concrete lining structure proposed by the present invention Figure 1 A schematic diagram of the structure of the enlarged part A;

[0025] Figure 5 A tunnel grid concrete lining structure proposed by the present invention Figure 1 A schematic diagram of the structure of the enlarged portion B;

[0026] Figure 6 A tunnel grid concrete lining structure proposed by the present invention Figure 2Schematic diagram of the enlarged structure of part C.

[0027] In the figure: 1, bottom plate; 2, inverted arch; 3, arch ring; 4, concrete layer; 5, mounting seat; 6, arc-shaped support plate; 7, first slide; 8, first clamping plate; 9, first clamping slot; 10, rotating rod; 11, first hand wheel; 12, first empty slot; 13, first sprocket; 14, first chain; 15, second sprocket; 16, first screw; 17, third sprocket; 18, second chain; 19, fourth sprocket; 20, second clamping plate; 21, second slide; 2 2. Clamping block; 23. Second screw; 24. Second clamping slot; 25. First rectangular slot; 26. Third clamping plate; 27. Third clamping slot; 28. Second rectangular slot; 29. ​​Clamping column; 30. Third slide slot; 31. Second empty slot; 32. Third empty slot; 33. Rotating shaft; 34. Support column; 35. Third screw; 36. First bevel gear; 37. Second bevel gear; 38. First pulley; 39. Belt; 40. Second pulley; 41. Bidirectional screw. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments.

[0029] Example 1

[0030] Reference Figure 1 and Figure 2 A tunnel grid concrete lining structure includes a base plate 1, an inverted arch 2 is fixedly connected to the bottom of the base plate 1, an arch ring 3 is connected to the inverted arch 2, the base plate 1, the inverted arch 2 and the arch ring 3 are all prefabricated, a concrete layer 4 is provided in the inverted arch 2 and the arch ring 3, two symmetrical mounting seats 5 are fixedly installed on the inner wall of the arch ring 3, a supporting mechanism is provided on the two mounting seats 5, two first chute 7 is provided on the top of the inverted arch 2, a first clamping plate 8 is slidably installed in the two first chute 7, and the bottom of the arch ring 3 is provided with a first clamping plate Slot 9, the two first clamping plates 8 are respectively matched with the two first clamping slots 9, two first empty slots 12 are provided in the base plate 1 and the inverted arch 2, the second clamping plate 20 and the third clamping plate 26 are fixedly connected to one side of the inverted arch 2 and the arch ring 3, and the second clamping slot 24 and the third clamping slot 27 are respectively provided on the other side of the inverted arch 2 and the arch ring 3. The second clamping plate 20 and the third clamping plate 26 are respectively matched with the second clamping slot 24 and the third clamping slot 27, a second empty slot 31 is provided in each of the two mounting seats 5, and two third empty slots 32 are provided in the arch ring 3.

[0031] Reference Figure 3, a third slide groove 30 is provided on both sides of the third clamping plate 26, and a clamping column 29 is slidably installed in the two third slide grooves 30, and a second rectangular groove 28 is provided on the inner walls of both sides of the third clamping groove 27, and the two clamping columns 29 respectively cooperate with the two second rectangular grooves 28, and a sixth through hole is provided on the inner walls of both sides of the third empty groove 32, and the two sixth through holes are respectively communicated with the two third slide grooves 30, and a fourth threaded groove is provided on one side of the two clamping columns 29. The same bidirectional screw rod 41 is threadedly installed in the two fourth threaded grooves, and the outer side of the bidirectional screw rod 41 and one end of the rotating shaft 33 are respectively fixedly installed with a second pulley 40 and a first pulley 38, and the second pulley 40 and the first pulley 38 are connected to the same belt 39 for transmission. When the rotating shaft 33 rotates, the first pulley 38 can drive the second pulley 40 to rotate through the belt 39.

[0032] Reference Figure 4 The bottom inner walls of the two first slide grooves 7 are each provided with a first through hole, and the two first through holes are respectively communicated with the two first empty grooves 12. The bottoms of the two first clamping plates 8 are each provided with a first threaded groove, and the first screw rods 16 are threadedly installed in the two first threaded grooves. The outer sides of the two first screw rods 16 are fixedly installed with the second sprocket 15 and the third sprocket 17. The top inner walls of the two first empty grooves 12 are each provided with a second through hole, and the two second through holes are rotatably installed with a rotating rod 10. One end of the two rotating rods 10 is fixedly installed with a first hand wheel 11, and the outer sides of the two rotating rods 10 are fixedly installed with the first sprocket 1 3. The first sprocket 13 and the second sprocket 15 are engaged with the same first chain 14. A third through hole is provided on the top inner wall of the second slide groove 21. A mounting groove is provided on one side inner wall of the first empty groove 12. The third through hole is communicated with the mounting groove. A second threaded groove is provided on the top of the clamping block 22. A second screw 23 is threadedly installed in the second threaded groove. A fourth sprocket 19 is fixedly installed at one end of the second screw 23. The fourth sprocket 19 and the third sprocket 17 are engaged with the same second chain 18. When the first screw 16 rotates, the third sprocket 17 can drive the fourth sprocket 19 to rotate through the second chain 18.

[0033] Reference Figure 5, a fourth through hole is provided on the top inner wall and the bottom inner wall of the two second slots 31, and the four fourth through holes are respectively communicated with the four second slide slots 21, and a third threaded groove is provided on the four support columns 34, and a third screw 35 is threadedly installed in the four third threaded grooves, and one end of the four third screws 35 is fixedly installed with a second bevel gear 37, and a fifth through hole is provided on one side of the two mounting seats 5, and the fifth through hole is communicated with the second slot 31 and the third slot 32, and a rotating shaft 33 is rotatably installed in the two fifth through holes, and one end of the two rotating shafts 33 is fixedly installed A second hand wheel is equipped, and the outer sides of the two rotating shafts 33 are fixedly mounted with first bevel gears 36, which are engaged with two second bevel gears 37. The supporting mechanism includes four supporting columns 34, and the top and bottom of the two mounting seats 5 are provided with second slide grooves 21. The four supporting columns 34 are slidably mounted in the four second slide grooves 21 respectively. The same arc-shaped support plate 6 is placed on the two mounting seats 5, and the two supporting columns 34 cooperate with the arc-shaped support plate 6. When the two supporting columns 34 squeeze the arc-shaped support plate 6, the arc-shaped support plate 6 can support the arch ring 3.

[0034] Reference Figure 6 A second slide groove 21 is provided at the bottom of the second clamping plate 20, and a clamping block 22 is slidably installed in the second slide groove 21. A first rectangular groove 25 is provided on the inner wall of the bottom of the second clamping groove 24. The clamping block 22 cooperates with the first rectangular groove 25. When the clamping block 22 is clamped with the first rectangular groove 25, the inverted arch 2 can be assembled.

[0035] In this embodiment, when in use, the floor 1, the inverted arch 2 and the arch ring 3 are transported into the tunnel and assembled, and then the first hand wheel 11 is rotated, the first hand wheel 11 drives the rotating rod 10 to rotate, the rotating rod 10 drives the first sprocket 13 to rotate, the first sprocket 13 drives the second sprocket 15 to rotate through the first chain 14, the second sprocket 15 drives the first screw 16 to rotate, the first screw 16 drives the first clamping plate 8 to move vertically upward, and then the first clamping plate 8 is clamped with the first clamping groove 9, and at the same time the first screw 16 drives the third sprocket 17 to rotate, the third sprocket 17 drives the fourth sprocket 19 to rotate through the second chain 18, the fourth sprocket 19 drives the second screw 23 to rotate, and the second screw 23 drives the clamping block 22 to move vertically downward, and the two inverted arches 2 can be quickly assembled by the arrangement of the clamping block 22 cooperating with the first rectangular groove 25. , and then the second hand wheel is rotated, the second hand wheel drives the rotating shaft 33 to rotate, the rotating shaft 33 drives the first bevel gear 36 to rotate, the first bevel gear 36 drives the two second bevel gears 37 to rotate, and the two second bevel gears 37 respectively drive the two third screws 35 to rotate, and the two third screws 35 respectively drive the two support columns 34 to move away from each other, and then the support columns 34 squeeze the arc support plate 6, and the arc support plate 6 can support the arch ring 3. At the same time, the rotating shaft 33 drives the first pulley 38 to rotate, and the first pulley 38 drives the second pulley 40 to rotate through the belt 39, and the second pulley 40 drives the bidirectional screw rod 41 to rotate, and the bidirectional screw rod 41 drives the two clamping columns 29 to move away from each other, and the two clamping columns 29 are respectively clamped with the two second rectangular grooves 28, and then the two clamping columns 29 can complete the assembly of the two arch rings 3, thereby effectively reducing the overall construction difficulty. Example 2

[0036] The difference between this embodiment and the first embodiment is that the outer sides of the inverted arch 2 and the arch ring 3 are connected with a first waterproof layer, and the outer side of the arc-shaped support plate 6 is fixedly connected with a second waterproof layer. By setting the first waterproof layer and the second waterproof layer, the waterproofness of the entire lining is effectively improved, and the construction quality is guaranteed.

[0037] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A tunnel grid concrete lining structure, comprising a bottom plate (1), characterized in that: The bottom of the base plate (1) is fixedly connected to an inverted arch (2), an arch ring (3) is connected to the inverted arch (2), a concrete layer (4) is provided in both the inverted arch (2) and the arch ring (3), two symmetrical mounting seats (5) are fixedly installed on the inner wall of the arch ring (3), a supporting mechanism is provided on the two mounting seats (5), two first chutes (7) are provided on the top of the inverted arch (2), a first clamping plate (8) is slidably installed in each of the two first chutes (7), a first clamping plate (9) is provided at the bottom of the arch ring (3), and the two first clamping plates (8) are respectively connected to the first chutes (7). The two first slots (9) are matched with each other, two first empty slots (12) are opened in the bottom plate (1) and the inverted arch (2), a second card plate (20) and a third card plate (26) are fixedly connected to one side of the inverted arch (2) and the arch ring (3), a second slot (24) and a third slot (27) are opened on the other side of the inverted arch (2) and the arch ring (3), the second card plate (20) and the third card plate (26) are matched with the second slot (24) and the third slot (27), respectively, a second empty slot (31) is opened in the two mounting seats (5), and the arch ring (3) is fixed with the second card plate (20) and the third card plate (26) are fixed with the second card plate (24) and the third slot (27), respectively. Two third slots (32) are provided in the ring (3), the bottom inner walls of the two first slide grooves (7) are provided with first through holes, the two first through holes are communicated with the two first slots (12) respectively, the bottoms of the two first clamping plates (8) are provided with first threaded grooves, the two first threaded grooves are provided with first screws (16) threadedly mounted, the outer sides of the two first screws (16) are fixedly mounted with second sprockets (15) and third sprockets (17), the top inner walls of the two first slots (12) are provided with second through holes, the two second through holes are provided with first screws (16) threadedly mounted, A rotating rod (10) is movably installed, one end of each of the two rotating rods (10) is fixedly installed with a first hand wheel (11), the outer sides of each of the two rotating rods (10) are fixedly installed with a first sprocket (13), the first sprocket (13) and the second sprocket (15) are meshed with a first chain (14), the outer sides of the inverted arch (2) and the arch ring (3) are connected with a first waterproof layer, and the outer side of the arc-shaped support plate (6) is fixedly connected with a second waterproof layer. By setting the first waterproof layer and the second waterproof layer, the waterproof property of the lining as a whole is effectively improved, and the construction quality is guaranteed.

2. The tunnel grid concrete lining structure according to claim 1, characterized in that: A second slide groove (21) is provided at the bottom of the second clamping plate (20), a clamping block (22) is slidably installed in the second slide groove (21), a first rectangular groove (25) is provided on the inner wall of the bottom of the second clamping groove (24), and the clamping block (22) cooperates with the first rectangular groove (25).

3. The tunnel grid concrete lining structure according to claim 2, characterized in that: A third through hole is provided on the top inner wall of the second sliding groove (21), a mounting groove is provided on one side inner wall of the first empty groove (12), the third through hole is communicated with the mounting groove, a second threaded groove is provided on the top of the clamping block (22), a second screw rod (23) is threadedly installed in the second threaded groove, a fourth sprocket (19) is fixedly installed on one end of the second screw rod (23), and the fourth sprocket (19) and the third sprocket (17) are meshed with the same second chain (18).

4. The tunnel grid concrete lining structure according to claim 3, characterized in that: The support mechanism includes four support columns (34), the top and bottom of the two mounting seats (5) are each provided with a second slide groove (21), the four support columns (34) are respectively slidably mounted in the four second slide grooves (21), the same arc-shaped support plate (6) is placed on the two mounting seats (5), and the two support columns (34) cooperate with the arc-shaped support plate (6).

5. The tunnel grid concrete lining structure according to claim 4, characterized in that: The top inner wall and the bottom inner wall of the two second slots (31) are each provided with a fourth through hole, and the four fourth through holes are respectively communicated with the four second slide slots (21). The four support columns (34) are each provided with a third threaded groove, and a third screw rod (35) is threadedly installed in each of the four third threaded grooves. One end of each of the four third screw rods (35) is fixedly installed with a second bevel gear (37).

6. The tunnel grid concrete lining structure according to claim 5, characterized in that: A fifth through hole is provided on one side of each mounting seat (5), the fifth through hole being communicated with the second empty slot (31) and the third empty slot (32), a rotating shaft (33) being rotatably mounted in each of the two fifth through holes, a second hand wheel being fixedly mounted on one end of each of the two rotating shafts (33), a first bevel gear (36) being fixedly mounted on the outer side of each of the two rotating shafts (33), and the first bevel gear (36) being meshed with the two second bevel gears (37).

7. The tunnel grid concrete lining structure according to claim 6, characterized in that: A third slide groove (30) is provided on both sides of the third clamping plate (26), and a clamping column (29) is slidably installed in each of the two third slide grooves (30). A second rectangular groove (28) is provided on both inner walls of the third clamping groove (27), and the two clamping columns (29) respectively cooperate with the two second rectangular grooves (28).

8. The tunnel grid concrete lining structure according to claim 7, characterized in that: Sixth through holes are provided on both inner walls of the third slot (32), and the two sixth through holes are communicated with the two third slide slots (30) respectively. A fourth threaded groove is provided on one side of the two clamping columns (29), and the same bidirectional screw rod (41) is threadedly installed in the two fourth threaded grooves. The outer side of the bidirectional screw rod (41) and one end of the rotating shaft (33) are fixedly installed with a second pulley (40) and a first pulley (38), respectively. The second pulley (40) and the first pulley (38) are connected to each other through a same belt (39).

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