Karst tunnel drainage structure

Abstract

The utility model relates to the technical field of tunnel drainage, and discloses a karst tunnel drainage structure which comprises a drainage pipe, an installation plate is fixedly installed at the lower end of the drainage pipe, installation grooves are sequentially formed in the lower end of the installation plate, sliding rods are fixedly installed on the inner walls of the installation grooves, and clamping rods are slidably connected to the surfaces of the sliding rods. Clamping springs are arranged at one ends of the clamping rods, a mounting frame is movably mounted on one sides of the clamping rods, a filter screen layer is fixedly mounted at the lower end of the mounting frame, and a limiting frame is fixedly mounted at the lower end of the mounting plate through bolts. According to the karst tunnel drainage structure, through the arrangement of a sliding rod, a clamping rod and a clamping spring, after drainage is finished, the clamping rod is pulled to compress the clamping spring so that the mounting frame can be detached, impurities filtered by a filter screen layer can be cleaned, and the situation that the drainage efficiency is affected due to the fact that the number of impurities is large due to long-time drainage is avoided; and the drainage effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel drainage, in particular to a karst tunnel drainage structure. Background Art

[0002] With the rapid development of my country's transportation industry, there are more and more highway and railway construction projects, and at the same time, tunnel construction is also gradually increasing. In tunnel engineering, drainage is an important issue in project construction, which directly affects the safety and stability of the entire project. Effective tunnel engineering drainage and reverse slope drainage are crucial. Reverse slope drainage is one of the important processes in the construction of long and large tunnels and is the key to safe tunnel construction.

[0003] A karst tunnel drainage structure disclosed in publication number CN217558382U, although the staff determines the number of water pumps to be opened according to the water flow in the karst tunnel, and changes the drainage method accordingly by opening and closing the solenoid valve, effectively saving the consumption of electric energy and reducing the construction cost of the karst tunnel.

[0004] However, the karst tunnel drainage structure has the following disadvantages:

[0005] (1) Due to the influence of the tunnel environment, the discharged water may contain impurities such as sand and gravel, which may easily cause the drainage pipe to be blocked and reduce the drainage efficiency;

[0006] (2) It is inconvenient to disassemble when a failure occurs, which makes it inconvenient to replace the damaged parts separately, increasing the cost of use. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a karst tunnel drainage structure which is highly practical, can be easily operated and has a relatively simple structure. It solves the problem raised in the above-mentioned background technology that the water discharged due to the influence of the tunnel environment may contain impurities such as sand and gravel, which may easily cause the drainage pipe to be blocked, reduce the drainage efficiency, and be inconvenient to disassemble when a fault occurs, resulting in inconvenience to replace the damaged parts separately, thereby increasing the cost of use.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a karst tunnel drainage structure, including a drainage pipe, a mounting plate fixedly installed at the lower end of the drainage pipe, mounting grooves are sequentially opened at the lower end of the mounting plate, a sliding rod is fixedly installed on the inner wall of the mounting groove, a clamping rod is slidably connected to the surface of the sliding rod, a clamping spring is provided at one end of the clamping rod, a mounting frame is movably installed on one side of the clamping rod, a filter mesh layer is fixedly installed at the lower end of the mounting frame, and a limited position frame is fixedly installed at the lower end of the mounting plate by bolts.

[0011] Optionally, an adjusting block is movably mounted on the surface of the limiting frame, one end of the adjusting block is movably connected to a clamping block, and the clamping block is clamped on one side of the adjusting block so that the leak-proof frame can be limited and fixed.

[0012] Optionally, a clamping spring is fixedly mounted on one end of the clamping block, an insertion rod is fixedly mounted on one end of the clamping spring, and the clamping spring is mounted on the inner wall of the insertion rod so as to clamp the clamping block to one side of the adjusting block.

[0013] Optionally, a leak-proof frame is fixedly installed at the lower end of the insertion rod, and a water outlet pipe is fixedly installed at the lower end of the leak-proof frame. The leak-proof frame can prevent sewage from leaking.

[0014] Optionally, limit blocks are fixedly installed on both sides of the adjustment block, and the surface of the limit frame is sequentially provided with slots adapted to the adjustment blocks, and the limit blocks can limit the adjustment block to prevent the adjustment block from falling.

[0015] Optionally, slots are sequentially opened at the lower end of the installation frame, and the number of the slots is four. The clamping rods are inserted into the slots to clamp and fix the installation frame.

[0016] (III) Beneficial effects

[0017] The utility model provides a karst tunnel drainage structure, which has the following beneficial effects:

[0018] 1. The karst tunnel drainage structure, through the setting of the sliding rod, the clamping rod and the clamping spring, plays a role in pulling the clamping rod to compress the clamping spring after the drainage is completed, so as to dismantle the installation frame and clean up the impurities filtered by the filter layer, so as to avoid long-term drainage causing more impurities and thus affecting the drainage efficiency, and ensure the drainage effect.

[0019] 2. The karst tunnel drainage structure, through the setting of the limit frame, adjustment block, clamping block, clamping spring, plug rod and leak-proof frame, plays a role in that when the filtering device is damaged, the adjustment block is pressed to drive the clamping block to compress the clamping spring to remove the leak-proof frame, and the limit frame is removed by bolts, and the damaged parts can be replaced, avoiding the problem of the need to re-purchase the entire filtering device due to the inconvenience of disassembly, which increases the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall split structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the clamping rod of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the clamping spring of the utility model.

[0024] In the figure: 1. drain pipe; 2. mounting plate; 3. slide rod; 4. clamping rod; 5. clamping spring; 6. mounting frame; 7. filter screen layer; 8. limit frame; 9. adjustment block; 10. clamping block; 11. clamping spring; 12. insertion rod; 13. leak-proof frame; 14. outlet pipe; 15. limit block. DETAILED DESCRIPTION

[0025] 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. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4The utility model provides a technical solution: a karst tunnel drainage structure, including a drainage pipe 1, a mounting plate 2 is fixedly installed at the lower end of the drainage pipe 1, and a mounting groove is sequentially opened at the lower end of the mounting plate 2, and a sliding rod 3 is fixedly installed on the inner wall of the mounting groove, and a clamping rod 4 is slidably connected to the surface of the sliding rod 3, and a clamping spring 5 is arranged at one end of the clamping rod 4. Through the arrangement of the sliding rod 3, the clamping rod 4 and the clamping spring 5, the clamping rod 4 is pulled to compress the clamping spring 5 after the drainage is completed, so that the installation frame 6 is disassembled, and the impurities filtered by the filter layer 7 are cleaned, so as to avoid long-term drainage causing more impurities and thus affecting the drainage efficiency, and ensure the effect of drainage, and the clamping rod 4 is one end. The side is movably installed with an installation frame 6, and the lower end of the installation frame 6 is fixedly installed with a filter mesh layer 7. The lower end of the installation plate 2 is fixedly installed with a limit frame 8 by bolts. Through the arrangement of the limit frame 8, the adjustment block 9, the clamping block 10, the clamping spring 11, the plug rod 12 and the leak-proof frame 13, when the filter device is damaged, the adjustment block 9 is pressed to drive the clamping block 10 to compress the clamping spring 11 to remove the leak-proof frame 13, and the limit frame 8 is removed by bolts, and the damaged parts can be replaced, avoiding the problem of the need to repurchase the entire filter device due to the inconvenience of disassembly and the increase in cost. The device is made of stainless steel, which is an alloy steel with corrosion resistance and oxidation resistance. It is mainly composed of iron, chromium, nickel and a small amount of other elements. Stainless steel is widely used because of its excellent mechanical properties, chemical properties and processing properties. It can maintain stable performance in high and low temperature environments, and is not easily corroded by water, air and most chemicals;

[0027] The surface of the limit frame 8 is movably mounted with an adjustment block 9, and one end of the adjustment block 9 is movably connected with a clamping block 10. The setting of the clamping block 10 plays a role in limiting and fixing the leak-proof frame 13;

[0028] A clamping spring 11 is fixedly installed at one end of the clamping block 10, and an insertion rod 12 is fixedly installed at one end of the clamping spring 11. The installation of the insertion rod 12 plays a role in installing the leak-proof frame 13;

[0029] A leak-proof frame 13 is fixedly installed at the lower end of the plug rod 12, and a water outlet pipe 14 is fixedly installed at the lower end of the leak-proof frame 13. The water outlet pipe 14 is provided to achieve drainage.

[0030] The limiting blocks 15 are fixedly installed on both sides of the adjustment block 9. The setting of the limiting blocks 15 plays a role in limiting the adjustment block 9. The surface of the limiting frame 8 is sequentially provided with card slots adapted to the adjustment block 9;

[0031] The lower end of the installation frame 6 is provided with slots in sequence, and the arrangement of the slots plays a role in plugging the clamping rod 4 , and the number of the slots is four.

[0032] In the utility model, the working steps of the device are as follows:

[0033] Step 1: When the filter device is damaged, the adjustment block 9 is pressed to drive the clamping block 10 to compress the clamping spring 11 to remove the leak-proof frame 13, and the limit frame 8 is removed by bolts, so that the damaged parts can be replaced, avoiding the problem of the need to re-purchase the entire filter device due to inconvenient disassembly and increasing costs;

[0034] The second step: after the drainage is completed, pull the clamping rod 4 to compress the clamping spring 5 to remove the installation frame 6, and clean the impurities filtered by the filter layer 7 to avoid long-term drainage resulting in a large number of impurities, thereby affecting the drainage efficiency and ensuring the drainage effect.

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A karst tunnel drainage structure, comprising a drainage pipe (1), characterized in that: The lower end of the drain pipe (1) is fixedly mounted with a mounting plate (2), the lower end of the mounting plate (2) is sequentially provided with mounting grooves, the inner wall of the mounting groove is fixedly mounted with a slide rod (3), the surface of the slide rod (3) is slidably connected with a clamping rod (4), one end of the clamping rod (4) is provided with a clamping spring (5), a mounting frame (6) is movably mounted on one side of the clamping rod (4), a filter mesh layer (7) is fixedly mounted on the lower end of the mounting frame (6), and a limit frame (8) is fixedly mounted on the lower end of the mounting plate (2) by means of bolts.

2. A karst tunnel drainage structure according to claim 1, characterized in that: An adjusting block (9) is movably mounted on the surface of the limiting frame (8), and one end of the adjusting block (9) is movably connected to a clamping block (10).

3. The karst tunnel drainage structure according to claim 2, characterized in that: A clamping spring (11) is fixedly mounted on one end of the clamping block (10), and an inserting rod (12) is fixedly mounted on one end of the clamping spring (11).

4. A karst tunnel drainage structure according to claim 3, characterized in that: A leak-proof frame (13) is fixedly mounted on the lower end of the insertion rod (12), and a water outlet pipe (14) is fixedly mounted on the lower end of the leak-proof frame (13).

5. The karst tunnel drainage structure according to claim 2, characterized in that: Limiting blocks (15) are fixedly installed on both sides of the regulating block (9), and the surface of the limiting frame (8) is sequentially provided with slots adapted to the regulating blocks (9).

6. The karst tunnel drainage structure according to claim 1, characterized in that: The lower end of the installation frame (6) is provided with slots in sequence, and the number of the slots is four.

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