Tunnel ditch cable trough drainage pipe fixing device

By designing a fixing device for the drainage pipes of the cable trench in the tunnel, and utilizing connecting threaded steel and a sliding mechanism, the problem of inaccurate installation of the drainage pipes in the drainage trench was solved, ensuring that the drainage pipes do not deviate during the concrete pouring process, and improving the construction quality of the cable trench.

CN223536404UActive Publication Date: 2025-11-11CHINA RAILWAY ERJU 1ST ENG CO
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Patent Information

Application Number
CN202423233087.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-11
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In the construction of single-tube double-track drainage ditch cable trenches in high-speed railway tunnels, the installation and positioning of drainage ditch pipes are highly arbitrary and inaccurate. During the concrete pouring process, they are easily squeezed and collided, affecting the pouring quality of the drainage ditch cable trenches.

Method used

Design a fixing device for drainage pipes in cable trenches of tunnels, including connecting threaded steel bars and fixing mechanisms. The position of the drainage pipe is adjusted by a sliding mechanism and a fixing bracket to ensure that it does not deviate during concrete pouring. The drainage pipe is fixed by a sliding support rod and a tensioning mechanism.

Benefits of technology

Effectively control the horizontal position and height of the drainage pipes to ensure installation accuracy, prevent misalignment, and improve the pouring quality of the drainage ditch and cable trough.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of civil engineering, in particular to a tunnel ditch cable trough drainage pipe fixing device. According to the technical scheme, the device comprises connecting threaded steel and a fixing mechanism fixed to the outer wall of the connecting threaded steel, sliding mechanisms are arranged at the two ends, away from the fixing mechanism, of the outer wall of the connecting threaded steel, the fixing mechanism comprises a fixing ring, and the bottom end of the fixing ring is fixedly connected with a plurality of connecting steel angles; a sliding steel plate is fixedly connected to the bottom ends of the connecting steel angles, and two limiting openings are formed in the top end of the sliding steel plate. The tunnel ditch cable trough drainage pipe fixing device has the functions of reducing the change of concrete to the positions of the drainage pipes, strictly controlling the horizontal position and height of each drainage pipe and preventing the situation that the drainage pipes cannot be used due to the fact that the drainage pipes deviate and slide when the concrete is poured. And the installation precision of the high-speed railway tunnel ditch cable trough drain pipe is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of civil engineering, and in particular to a fixing device for drainage pipes in cable trenches of tunnels. Background Technology

[0002] High-speed rail, as one of our important calling cards, has extremely high requirements for construction standards and quality during its construction. Currently, in the construction of single-tube double-track drainage ditch cable trenches in domestic high-speed rail tunnels, in order to ensure timely and convenient drainage of water accumulated in the communication cable trenches and power cable trenches, drainage channels connecting the side trenches are designed at the bottom of the communication signal and power cable trenches. At present, there are two main methods for installing drainage channels. One method is to extend the drainage channel pipe and clamp it to the formwork on both sides. This method has many problems. The workers' installation positioning is arbitrary and inaccurate. Moreover, it is easy to squeeze and collide during concrete pouring, making it difficult to find the location of the drainage channel after demolding. In addition, it is difficult to vibrate near the drainage channel pipe, which affects the pouring quality of the drainage ditch cable trench. Therefore, this application proposes a fixing device for drainage pipes of tunnel drainage ditch cable trenches. Utility Model Content

[0003] The purpose of this utility model is to address the problems in the background technology where the worker's installation positioning is arbitrary and inaccurate, and the concrete is easily squeezed and bumped during the pouring process, making it impossible to find the location of the drainage trough after demolding, and the area near the drainage trough pipe cannot be vibrated, which affects the pouring quality of the cable trough in the drainage ditch. The present invention proposes a fixing device for the drainage pipe of the cable trough in the tunnel.

[0004] The technical solution of this utility model is: a fixing device for drainage pipes in cable trenches of tunnels, including a connecting threaded steel bar and a fixing mechanism fixed to the outer wall of the connecting threaded steel bar, wherein sliding mechanisms are provided at both ends of the outer wall of the connecting threaded steel bar away from the fixing mechanism;

[0005] The fixing mechanism includes a fixing ring, the bottom end of which is fixedly connected to multiple connecting angle steels, the bottom ends of which are fixedly connected to a sliding steel plate, the top end of which has two limiting openings, and the inner walls of the two limiting openings are slidably connected to sliding support rods, and the outer walls of the sliding support rods are provided with a tensioning mechanism.

[0006] The sliding mechanism includes a sliding ring that slides on the connecting threaded steel bar. A connecting rod is fixedly connected to the bottom end of the sliding ring. A retaining ring is fixedly connected to the bottom end of the connecting rod. An anti-slip mechanism is provided on one side of the outer wall of both connecting rods.

[0007] Optionally, the tensioning mechanism includes bearing rings extending through one side of the two sliding support rods, with threaded rods slidably connected to the inner walls of both bearing rings, and fixing nuts threaded to both ends of the threaded rods.

[0008] Optionally, the bottom ends of the two sliding rods are fixedly connected to a fixing bracket, and the top ends of the two sliding rods are fixedly connected to a limit block.

[0009] Optionally, the anti-slip mechanism includes an extension rod fixed to one side of the connecting rod, a push rod sleeved at one end of the two extension rods, and a spring slidably connected to the inner wall of the two push rods, with an anti-slip plate fixedly connected to the end of the two push rods away from the extension rod.

[0010] Optionally, threaded seats are fixedly connected to both sides of the outer wall of the two sliding rings, and fastening bolts are threadedly connected to the inner walls of the multiple threaded seats.

[0011] Optionally, one end of the plurality of fastening bolts is rotatably connected to a clamping plate, and one end of the plurality of fastening bolts passes through a sliding ring.

[0012] Optionally, the connecting threaded steel bar is located at the center of multiple clamping plates, and the fixing mechanism is located between the sliding mechanisms.

[0013] Compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0014] This device uses a fixed bracket to fix the position of the drainage pipe and the sliding support rod to adjust the size of the drainage pipe according to different sizes. This reduces the impact of concrete on the position of the drainage pipe and strictly controls the horizontal position and height of each drainage pipe.

[0015] Furthermore, the sliding mechanism allows the device to fix the drainage pipe according to different ditch sizes, preventing the drainage pipe from becoming unusable due to misalignment and sliding during concrete pouring, thus ensuring the installation accuracy of the drainage pipe in the cable trench of the high-speed railway tunnel. Attached Figure Description

[0016] Figure 1 A three-dimensional structural schematic diagram of a fixing device for cable trench drainage pipes in a tunnel is provided.

[0017] Figure 2 A multi-angle structural schematic diagram of a cable trench drainage pipe fixing device in a tunnel is provided.

[0018] Figure 3 This is a schematic diagram of the sliding mechanism.

[0019] Figure 4 This is a schematic diagram of the fixed mechanism.

[0020] Reference numerals: 1. Connecting threaded steel bar; 2. Fixing mechanism; 21. Fixing ring; 22. Connecting angle steel; 23. Limiting port; 24. Sliding support rod; 25. Fixing bracket; 26. Bearing ring; 27. Threaded rod; 28. Fixing nut; 29. ​​Sliding steel plate; 210. Limiting block; 3. Sliding mechanism; 31. Sliding ring; 32. Threaded seat; 33. Fastening bolt; 34. Clamping plate; 35. Connecting rod; 36. Snap ring; 37. Extension rod; 38. Spring; 39. Push rod; 310. Anti-slip plate. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0022] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0023] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example 1

[0028] like Figure 1 - Figure 4 As shown, the present invention proposes a drainage pipe fixing device for cable trenches in tunnels, including a connecting threaded steel bar 1 and a fixing mechanism 2 fixed to the outer wall of the connecting threaded steel bar 1. Sliding mechanisms 3 are provided at both ends of the outer wall of the connecting threaded steel bar 1 away from the fixing mechanism 2. By setting the fixing mechanism 2, the device can fix the drainage pipe and prevent the drainage pipe from being misaligned due to factors such as concrete pouring. By setting the sliding mechanism 3, the device can slide the connecting rod 35 and the retaining ring 36 to adjust the device according to the size of the ditch, so that the device can better fix the drainage pipe.

[0029] Specific examples Figure 1 , Figure 2 and Figure 4 As shown, the fixing mechanism 2 includes a fixing ring 21. Multiple connecting angle steels 22 are fixedly connected to the bottom end of the fixing ring 21. A sliding steel plate 29 is fixedly connected to the bottom end of each connecting angle steel 22. Two limiting openings 23 are opened at the top end of the sliding steel plate 29, and sliding support rods 24 are slidably connected to the inner walls of both limiting openings 23. A tensioning mechanism is provided on the outer wall of the sliding support rods 24. (As shown...) Figure 3 As shown, by setting a fixing ring 21, the fixing mechanism 2 can be fixed on the connecting threaded steel 1. By setting a connecting angle steel 22, the sliding steel plate 29 can be fixed more stably. The sliding support rod 24 slides within the limiting port 23 opened on the sliding steel plate 29, so that the sliding support rod 24 can be clamped and fixed according to the size of the drain pipe. By rotating and fixing the two fixing nuts 28 on the threaded rod 27, the sliding support rod 24 can slide and adjust its position to fix the drain pipe.

[0030] In this embodiment, the sliding mechanism 3 includes a sliding ring 31 that slides on the connecting threaded steel bar 1. A connecting rod 35 is fixedly connected to the bottom end of the sliding ring 31, and a retaining ring 36 is fixedly connected to the bottom end of the connecting rod 35. Anti-slip mechanisms are provided on one side of the outer wall of both connecting rods 35. By setting the sliding ring 31, the connecting rod 35 can be slidably adjusted in position. By rotating the fastening bolt 33, the two clamping plates 34 slide within the sliding ring 31, thereby fixing the connecting rod 35. The extension rod 37 on one side of the connecting rod 35 slides within the pushing rod 39, adapting to trenches of different sizes. The spring 38 ensures the device is more firmly fixed to the trench by elasticity, preventing displacement during concrete pouring, resulting in a more stable and accurate positioning of the drainage pipe.

[0031] In this embodiment, by setting a fixing ring 21, the fixing mechanism 2 is fixed to the connecting threaded steel 1. By setting a connecting angle steel 22, the sliding steel plate 29 is fixed more stably. The sliding support rod 24 slides within the limiting port 23 opened on the sliding steel plate 29, thereby clamping and fixing the sliding support rod 24 according to the size of the drainage pipe. By rotating and fixing the two fixing nuts 28 on the threaded rod 27, the sliding support rod 24 can slide and adjust its position to fix the drainage pipe. By setting a sliding ring 31, the connecting rod 35 can slide and adjust its position. By rotating the fastening bolt 33, the two clamping plates 34 slide within the sliding ring 31, thereby fixing the connecting rod 35. The extension rod 37 on one side of the connecting rod 35 slides within the pushing rod 39 to adapt to ditches of different sizes. The spring 38 makes the device more stably fixed to the ditch by elasticity, preventing deviation during concrete pouring, making the drainage pipe more stable and the positioning more accurate.

[0032] Example 2

[0033] like Figure 1 - Figure 4 As shown, based on Embodiment 1, the tensioning mechanism includes a bearing ring 26 that passes through one side of the two sliding support rods 24. The inner walls of the two bearing rings 26 are slidably connected with threaded rods 27. Both ends of the threaded rods 27 are threadedly connected with fixing nuts 28. By setting the fixing nuts 28 and the threaded rods 27, the sliding support rods 24 can be fixed in position.

[0034] The bottom ends of the two sliding support rods 24 are fixedly connected to the fixing brackets 25, and the top ends of the two sliding support rods 24 are fixedly connected to the limit blocks 210. By setting the fixing brackets 25, the drain pipe can be clamped and fixed.

[0035] In this embodiment, the anti-slip mechanism includes extension rods 37 fixed to one side of the connecting rod 35. Push rods 39 are sleeved on one end of each extension rod 37, and springs 38 are slidably connected to the inner walls of the two push rods 39. Anti-slip plates 310 are fixedly connected to the ends of the two push rods 39 away from the extension rods 37. By setting up the anti-slip mechanism, the extension rods 37 on one side of the connecting rod 35 slide within the push rods 39, making it suitable for trenches of different sizes. The springs 38 ensure that the device is more securely fixed to the trench through elasticity.

[0036] Both sides of the outer wall of the two sliding rings 31 are fixedly connected to threaded seats 32, and the inner walls of the multiple threaded seats 32 are threaded with fastening bolts 33, allowing the device to drive the clamping plate 34 to slide within the sliding rings 31 via the fastening bolts 33. One end of the multiple fastening bolts 33 is rotatably connected to the clamping plate 34, and one end of the multiple fastening bolts 33 passes through the sliding rings 31. By rotating the fastening bolts 33, the two clamping plates 34 slide within the sliding rings 31, thereby fixing the connecting rod 35.

[0037] Among them, the connecting threaded steel 1 is located at the center of multiple clamping plates 34, and the fixing mechanism 2 is located between the sliding mechanism 3, so that the drain pipe is fixed more firmly and the positioning is more accurate.

[0038] The above specific embodiments are merely several optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A fixing device for drainage pipes in cable trenches of tunnels, comprising a connecting threaded steel bar (1) and a fixing mechanism (2) fixed to the outer wall of the connecting threaded steel bar (1), characterized in that: The outer walls of the connecting threaded steel (1) are provided with sliding mechanisms (3) at both ends away from the fixing mechanism (2); The fixing mechanism (2) includes a fixing ring (21), the bottom end of which is fixedly connected to a plurality of connecting angle steels (22), the bottom ends of which are fixedly connected to a sliding steel plate (29), the top end of which is provided with two limiting ports (23), and the inner walls of the two limiting ports (23) are slidably connected to a sliding support rod (24), and the outer wall of the sliding support rod (24) is provided with a tensioning mechanism; The sliding mechanism (3) includes a sliding ring (31) that slides on the connecting threaded steel (1). The bottom end of the sliding ring (31) is fixedly connected to a connecting rod (35). The bottom end of the connecting rod (35) is fixedly connected to a retaining ring (36). An anti-slip mechanism is provided on one side of the outer wall of both connecting rods (35).

2. The fixing device for the drainage pipe of the cable trough in the tunnel according to claim 1, characterized in that, The tensioning mechanism includes a bearing ring (26) passing through one side of the two sliding support rods (24), and the inner walls of the two bearing rings (26) are slidably connected with threaded rods (27), and both ends of the threaded rods (27) are threadedly connected with fixing nuts (28).

3. The fixing device for cable trench drainage pipe in a tunnel as described in claim 1, characterized in that, The bottom ends of the two sliding support rods (24) are fixedly connected to a fixing bracket (25), and the top ends of the two sliding support rods (24) are fixedly connected to a limit block (210).

4. The fixing device for the drainage pipe of the cable trough in the tunnel according to claim 1, characterized in that, The anti-slip mechanism includes an extension rod (37) fixed to one side of the connecting rod (35), a push rod (39) sleeved on one end of the two extension rods (37), and a spring (38) slidably connected to the inner wall of the two push rods (39), and an anti-slip plate (310) fixedly connected to the end of the two push rods (39) away from the extension rod (37).

5. A fixing device for cable trench drainage pipes in tunnels according to claim 1, characterized in that, Both sides of the outer wall of the two sliding rings (31) are fixedly connected with threaded seats (32), and the inner walls of the multiple threaded seats (32) are threaded with fastening bolts (33).

6. The fixing device for the drainage pipe of the cable trough in the tunnel according to claim 5, characterized in that, One end of each of the multiple fastening bolts (33) is rotatably connected to a clamping plate (34), and one end of each of the multiple fastening bolts (33) passes through a sliding ring (31).

7. A fixing device for cable trench drainage pipes in tunnels according to claim 6, characterized in that, The connecting threaded steel (1) is located at the center of multiple clamping plates (34), and the fixing mechanism (2) is located between the sliding mechanism (3).