Supporting component for tunnel construction

Abstract

The utility model discloses a tunnel construction supporting component, and belongs to the technical field of tunnel construction safety, the tunnel construction supporting component comprises a tunnel, the tunnel construction supporting component comprises a supporting plate, and a clamping device is installed at the end, away from the tunnel, of the supporting plate; the clamping device comprises a clamp, the end, away from the supporting plate, of the clamp is connected with a supporting rod, the supporting rod is movably connected to the fixing rod, the clamp and the supporting rod are symmetrically designed in the length central axis direction of the fixing rod, and an anti-seepage component is installed in the middle of the fixing rod. The water seepage prevention component comprises a pressing plate, a pressing rod is connected to the end, close to the supporting plate, of the pressing plate, a water baffle is installed at the end, close to the supporting plate, of the pressing rod, the end, close to the supporting plate, of the water baffle is in an arc shape, and a pressing bolt is arranged at the end, away from the supporting plate, of the pressing plate. The gap between the supporting plates is reduced through clamping of the clamping device and arrangement of the anti-seepage water pressing strip at the gap, and then water in a tunnel is effectively prevented from permeating through the gap between the supporting plates through attachment of the water baffle.

Description

Technical Field

[0001] This application relates to the technical field of tunnel construction safety, and specifically to a tunnel construction support member. Background Art

[0002] Currently, during tunnel construction, ground deformation and collapse are common problems. If no support is provided, ground collapse accidents are likely to occur. Support can reinforce the ground, prevent ground deformation and collapse, ensure safety during construction, guarantee the unobstructed passage, protect the integrity of the tunnel wall and foundation, and prevent geological disasters.

[0003] It can also ensure the personal safety of workers during construction and reduce the occurrence of accidents.

[0004] Referring to an anti-collapse support member for road and bridge tunnel construction with the reference application number 202021204664.7, which includes a support plate and an anchor rod. Grooves for fastening bolt connection are provided on the surface of the support plate. The end of the fastening bolt is threadedly connected to the fastening nut. The end of the anchor rod is fixedly connected to the limiting plate, and the end of the anchor rod on the same side of the limiting plate is movably sleeved with a sleeve plate. The anchor rod is threadedly connected to the limiting nut. The side end of the sleeve plate is rotatably connected to the pressing plate through a connecting rod. The connection between the sleeve plate and the connecting rod is rotatably connected through a connecting bolt. Although a pressing plate is used to press the connection position of the support plate to reduce groundwater seepage, since the connection position is not airtight, when the main body of the support plate is deformed under pressure, the gap at the connection may expand, resulting in groundwater seeping down and affecting the construction environment inside the tunnel. Summary of the Invention

[0005] The technical problem to be solved by this application is: to provide a tunnel construction support member to solve the problems mentioned in the background art or achieve better technical effects.

[0006] A tunnel construction support component comprises a support plate, wherein a clamping device is installed at one end of the support plate away from the tunnel; a protrusion at one end of the clamp in the clamping device cooperates with a groove at one end of the support plate, so that the position of the clamp can be better fixed without displacement; the end of the clamp away from the support plate is connected to a support rod, which is fixed to the fixing rod through the support rod; through the movable connection between the support rod and the fixing rod, the fitting angle of the support plate can be better adjusted, so that the support plate is fully fitted and then fixed using the fixing bolts provided at the connection between the support rod and the fixing rod; the clamp and the support rod are symmetrically designed along the length of the central axis of the fixing rod, so that the two support plates can be better connected so that It fits tightly without any gap, and a water-proof component is installed in the middle part of the fixing rod; the water-proof component includes a pressure plate, and a pressure rod is connected to the end of the pressure plate close to the supporting plate, and the pressure rod is symmetrically arranged along the central axis direction of the length of the pressure plate; a water baffle is installed at the end of the pressure rod close to the supporting plate, and the water baffle and the pressure rod are detachably connected, and the end of the water baffle close to the supporting plate is arc-shaped, which can better fit the supporting plate and effectively prevent water seepage, and a clamping bolt is provided at the end of the pressure plate away from the supporting plate. By fixing the clamping device and then tightening the clamping bolt, the water baffle is fully fitted into the fitting gap between the two supporting plates, which can better prevent water seepage in the gap of the support plates.

[0007] More preferably, there are multiple support plates, and the multiple support plates are spliced ​​into an integral support. A clamping device is installed at the joints of adjacent support plates, and the integral support fits the tunnel connection; multiple splicing of support plates is convenient for disassembly and replacement.

[0008] More preferably, there are multiple clamping devices, and the clamping devices are symmetrically arranged along the splicing direction of the support plates; multiple symmetrical clamping devices make the two support plates fit more closely, preventing the splicing gap from being too large to cause water seepage problems.

[0009] More preferably, the support plates are provided with protruding overlap joints and recessed overlap joints at both ends along the splicing direction, respectively, so as to make the connection between the support plates tighter.

[0010] More preferably, the protruding lap joint is provided with a cylindrical protrusion, and the recessed lap joint is provided with a cylindrical groove, and the cylindrical protrusion cooperates with the cylindrical groove; the cooperation between the cylindrical protrusion and the cylindrical groove makes it more convenient to splice the two support plates and the position fixation is more stable.

[0011] More preferably, an anti-water seepage strip is pressed between the protruding lap joint and the recessed lap joint, and the anti-water seepage strip is made of rubber. Adding the anti-water seepage strip can better prevent the problem of water seepage in the gap when the support plates are spliced.

[0012] More preferably, the support rod is retractable, and a fixing bolt is provided at the connection between the support rod and the fixing rod; better fixation can be achieved through the fixing bolt.

[0013] More preferably, the support plate is provided with a plurality of first through holes, and anchor rods are passed through the plurality of first through holes; thus, the support plate can be better fixed in the tunnel.

[0014] More preferably, the support plate is connected to a secondary support plate close to one end of the tunnel, a cavity is formed between the secondary support plate and the support plate, a shock absorber is installed in the cavity, and there are multiple shock absorbers, which are evenly distributed; by providing the shock absorbers, the deformation of the support plate and the problem of water seepage due to gaps can be better prevented, thereby increasing the service life of the support plate.

[0015] More preferably, the surface of the secondary support plate (17) is provided with a waterproof layer. The waterproof layer can better prevent water seepage.

[0016] Compared with the prior art, this application can achieve the following technical effects:

[0017] By utilizing the matching relationship between the protruding lap joint and the recessed lap joint of the support plate, and the matching correspondence between the cylindrical depression on the protruding lap joint and the cylindrical protrusion on the recessed lap joint, and when the protruding lap joint and the recessed lap joint are clamped, an anti-water seepage strip is placed on the clamping part, and then the clamping device is correspondingly installed on the support plate, and the active connection between the support rod and the fixing rod is used to adjust the clamping degree of the two support plates. After meeting the requirements, the fixing bolts are tightened, and then the pressure plate is pushed by tightening the clamping bolts to drive the pressure rod to move upward, so that the water retaining plate is closely fitted to the overlap of the two support plates. Through the matching relationship of the clamping device and the structural design of the support plate, the overlapping gap between the support plates is effectively reduced, so that the water seepage problem is solved, and then the support plate is close to the auxiliary support plate provided on one side of the tunnel, and a shock absorber is arranged between the two to effectively prevent the problem of the overlapping gap of the support plate becoming larger due to extrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a three-dimensional schematic diagram of the application state of the utility model;

[0020] Figure 2 It is a front view and cross-sectional view of the utility model in the application state;

[0021] Figure 3 This is a top view of the utility model in application state;

[0022] Figure 4 This is a front view of the utility model in an unclamped state when in use;

[0023] Figure 5 is Figure 2 An enlarged view of part A in

[0024] In the figure: 1. Support plate, 2. Clamp, 3. Protrusion, 4. Groove, 5. Support rod, 6. Fixed rod, 7. Pressure plate, 8. Pressure rod, 9. Water baffle, 10. Compression bolt, 11. Prominent lapping joint, 12. Concave lapping joint, 13. Cylindrical protrusion, 14. Cylindrical groove, 15. Anti-seepage water pressure strip, 16. Anchor bolt, 17. Auxiliary support plate, 18. Shock absorber, 19. Fixed bolt. Specific implementation mode

[0025] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] The application principle of the present application will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0027] Embodiment 1

[0028] As Figures 1-4 shown: A tunnel construction support member includes a tunnel, and the tunnel construction support member includes a support plate 1, and a clamping device is installed at one end of the support plate 1 away from the tunnel;

[0029] The clamping device includes a clamp 2, a protrusion 3 is provided at one end of the clamp 2 in contact with the support plate 1, a groove 4 is provided at one end of the support plate 1 in contact with the clamp 2, the protrusion 3 is matched with the groove 4, and a support rod 5 is connected to one end of the clamp 2 away from the support plate 1. The clamp 2 and the support rod 5 are detachably connected. The support rod 5 is movably connected to the fixed rod 6. The clamp 2 and the support rod 5 are symmetrically designed along the length central axis direction of the fixed rod 6. An anti-seepage component is installed in the middle part of the fixed rod 6;

[0030] The anti-seepage component includes a pressure plate 7, a pressure rod 8 is connected to one end of the pressure plate 7 close to the support plate 1. The pressure rods 8 are symmetrically arranged along the length central axis direction of the pressure plate 7. A water baffle 9 is installed at one end of the pressure rod 8 close to the support plate 1. The water baffle 9 and the pressure rod 8 are detachably connected. One end of the water baffle 9 close to the support plate 1 is arc-shaped. A compression bolt 10 is provided at one end of the pressure plate 7 away from the support plate 1.

[0031] The support plates 1 are provided in plurality, and the plurality of support plates 1 are spliced ​​into an integral support, and clamping devices are installed at the splicing places of adjacent support plates 1, and the integral support is connected to the tunnel in a close relationship; the clamping devices are provided in plurality, and the clamping devices are symmetrically arranged along the splicing direction of the support plates 1; the support plates 1 are provided with a protruding overlap joint 11 and a recessed overlap joint 12 at both ends along the splicing direction; the protruding overlap joint 11 is provided with a cylindrical protrusion 13, and the recessed overlap joint 12 is provided with a cylindrical groove 14, and the cylindrical protrusion 13 cooperates with the cylindrical groove 14; the protruding overlap joint 11 and the recessed overlap joint 12 are provided with a cylindrical protrusion 13 ... An anti-water seepage strip 15 is pressed between the lap joints 12, and the anti-water seepage strip 15 is made of rubber; the support rod 5 is retractable, and a fixing bolt 19 is provided at the connection between the support rod 5 and the fixing rod 6; the support plate 1 is provided with a plurality of first through holes, and anchor rods 16 are passed through the plurality of first through holes; the support plate 1 is connected with a secondary support plate 17 close to one end of the tunnel, and a cavity is formed between the secondary support plate 17 and the support plate 1, and a shock absorber 18 is installed in the cavity, and a plurality of shock absorbers 18 are provided, and the plurality of shock absorbers 18 are evenly distributed; a waterproof layer is provided on the surface of the secondary support plate 17.

[0032] When assembling the support plates 1 in the tunnel, first insert the anchor rod 16 of one support plate 1 into the inner wall of the tunnel and fix it, then place the protruding lap joint 11 or the recessed lap joint 12 of the next support plate 1 accordingly, install the clamping device at the corresponding position of the two support plates 1, put the protrusion 3 of the clamp 2 in the clamping device into the groove 4 accordingly, adjust the angle of the support rod 5 so that the cylindrical protrusion 13 of the protruding lap joint 11 on the support plate 1 corresponds to the cylindrical groove 14 of the recessed lap joint 12 of the other plate, install the anti-seepage pressure strip 15 at the joint of the protruding lap joint 11 and the recessed lap joint 12, adjust the angle of the support rod 5 again to press the two support plates 1 tightly, and lock it with the fixing bolt 19 at the connection between the support rod 5 and the fixing rod 6. After all the support plates are clamped and fixed, the pressure plate 7 is pushed by the pressure bolt 10 to push the pressure rod 8 to fix the waterproof plate close to the joint of the two support plates 1. After completion, the support plate 1 is fixed to the inner wall of the tunnel by the anchor rod 16, and then the next support plate 1 is spliced ​​according to the same steps. After the splicing is completed, the fixation test of each support plate 1 is carried out. The splicing gap between the support plates 1 is reduced by clamping the clamping device and placing the anti-seepage pressure strip 15 at the contact gap, which effectively prevents moisture in the tunnel from penetrating into the gap. Then, the water retaining plate 9 is fitted to effectively prevent moisture from dripping. The cooperation of the two makes the support plate 1 easy to splice and effectively prevents the problem of water seepage in the gap of the support plate 1. The shock absorber 18 in the auxiliary support plate can effectively prevent the problem of deformation of the support plate 1 due to extrusion.

[0033] Working principle: Place the protruding lapping joints and the sunken lapping joints of the two support plates corresponding to each other. Install clamping devices at the corresponding positions of each support plate. Place the protrusions of the clamping jaws in the clamping devices into the grooves correspondingly. Adjust the angle of the support rods so that the cylindrical protrusions of the protruding lapping joints on the support plates correspond to the cylindrical grooves of the sunken lapping joints of the other support plate. Install the anti-seepage water pressure strips at the splicing joints of the protruding lapping joints and the sunken lapping joints. Adjust the angle of the support rods again to press the two support plates tightly. Lock them through the fixing bolts at the connection between the support rods and the fixed rods. After clamping and fixing each clamping device, use the pressing bolts to make the pressing plate push the pressing rod to fix the waterproof plate close to the splicing joint of the two support plates.

Claims

1. A tunnel construction support member, comprising a tunnel, characterized in that: The tunnel construction support component comprises a support plate (1), wherein a clamping device is installed at one end of the support plate (1) away from the tunnel; The clamping device comprises a clamp (2), wherein a protrusion (3) is provided at one end of the clamp (2) in contact with the supporting plate (1), and a groove (4) is provided at one end of the supporting plate (1) in contact with the clamp (2), wherein the protrusion (3) matches with the groove (4), and the end of the clamp (2) away from the supporting plate (1) is connected with a support rod (5), and the support rod (5) is movably connected to a fixing rod (6), and the clamp (2) and the support rod (5) are symmetrically designed along the longitudinal center axis direction of the fixing rod (6), and a water-proof component is installed at the middle part of the fixing rod (6); The anti-water seepage component comprises a pressure plate (7), one end of the pressure plate (7) close to the supporting plate (1) is connected to a pressure rod (8), one end of the pressure rod (8) close to the supporting plate (1) is installed with a water retaining plate (9), and one end of the pressure plate (7) away from the supporting plate (1) is provided with a clamping bolt (10).

2. A tunnel construction support component according to claim 1, characterized in that: The support plates (1) are provided in plurality, and the plurality of support plates (1) are spliced ​​together to form an integral support. A clamping device is installed at the joints of adjacent support plates (1), and the integral support fits the tunnel connection.

3. A tunnel construction support member according to claim 2, characterized in that: A plurality of clamping devices are provided, and the clamping devices are symmetrically arranged along the splicing direction of the support plate (1).

4. A tunnel construction support member according to claim 2, characterized in that: The support plate (1) is provided with a protruding overlap joint (11) and a recessed overlap joint (12) at both ends along the splicing direction.

5. A tunnel construction support component according to claim 4, characterized in that: The protruding overlap joint (11) is provided with a cylindrical protrusion (13), and the recessed overlap joint (12) is provided with a cylindrical groove (14), and the cylindrical protrusion (13) matches the cylindrical groove (14).

6. A tunnel construction support component according to claim 5, characterized in that: An anti-seepage strip (15) is tightly pressed between the protruding overlap joint (11) and the recessed overlap joint (12), and the anti-seepage strip (15) is made of rubber.

7. A tunnel construction support component according to claim 1, characterized in that: The support rod (5) is retractable, and a fixing bolt (19) is provided at the connection between the support rod (5) and the fixing rod (6).

8. A tunnel construction support component according to claim 1, characterized in that: The support plate (1) is provided with a plurality of first through holes, and anchor rods (16) are passed through the plurality of first through holes.

9. A tunnel construction support component according to claim 8, characterized in that: The support plate (1) is connected to an auxiliary support plate (17) close to one end of the tunnel, a cavity is formed between the auxiliary support plate (17) and the support plate (1), a shock absorber (18) is installed in the cavity, and a plurality of the shock absorbers (18) are provided, and the plurality of the shock absorbers (18) are evenly distributed.

10. A tunnel construction support component according to claim 9, characterized in that: The surface of the secondary support plate (17) is provided with a waterproof layer.

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