A fixing device for pre-buried drainage pipe of tunnel segment

CN224903283UActive Publication Date: 2026-10-27C B E GRP
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Patent Information

Application Number
CN202522664089.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-16
Publication Date
2026-10-27
Estimated Expiration
2035-12-16

AI Technical Summary

Technical Problem

现有技术中,预埋排水管的固定方式往往存在定位不准确、安装复杂、密封性差等问题

Benefits of technology

该隧道混凝土管片预埋排水管的固定装置,不仅解决了混凝土管片预埋排水管在模具上的定位和固定问题,以及浇筑过程中混凝土渗进预埋排水管的问题。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for tunnel concrete segment prefabrication technical field provides a kind of tunnel segment embedded drain pipe's fixing device, it includes: side plate mounting sleeve, the side plate mounting sleeve is fixed between mould side plate by bolt;The drain pipe fixing mandrel for the end of embedded drain pipe is fixed, the drain pipe fixing mandrel is installed on side plate mounting sleeve;Cover plate, the cover plate is connected with drain pipe fixing mandrel;Plug plate, the plug plate inserts the other end of embedded drain pipe;Tapered rod sleeve and fixed sleeve, the tapered rod sleeve and fixed sleeve are all arranged in the mounting hole of mould side plate;Adjusting plate, the adjusting plate is connected with fixed sleeve by bolt, and adjusting plate is connected with tapered rod sleeve;And for the tapered rod of fixed embedded drain pipe, the tapered rod is installed on tapered rod sleeve, and inserts the center hole of plug plate, the utility model solves the positioning and fixed problem of concrete segment embedded drain pipe on mould.
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Description

Technical Field

[0001] This utility model relates to the field of tunnel concrete segment prefabrication technology, specifically a fixing device for pre-embedded drainage pipes in tunnel segments. Background Technology

[0002] Tunnel boring machine (TBM) segments are key components in tunnel construction, bearing the loads of soil pressure and groundwater pressure. Some tunnel projects incorporate pre-embedded drainage pipes in special geological sections to drain seepage behind the segments and ensure tunnel structural safety. During segment prefabrication, these drainage pipes must be accurately positioned and fixed in the mold to prevent displacement or concrete seepage during pouring. Current technologies for fixing pre-embedded drainage pipes often suffer from inaccurate positioning, complex installation, and poor sealing.

[0003] Therefore, in view of the above situation, there is an urgent need to provide a fixing device for the pre-embedded drainage pipe of tunnel segments to overcome the shortcomings in current practical applications. Utility Model Content

[0004] The purpose of this utility model is to provide a fixing device for pre-embedded drainage pipes in tunnel segments, which aims to solve the problems in the background art mentioned above.

[0005] This utility model is implemented as follows: a fixing device for pre-embedded drainage pipes in tunnel segments, comprising: Side plate mounting sleeve, which is fixed to the mold side plate by bolts; A drain pipe fixing mandrel is used to fix one end of a pre-embedded drain pipe, and the drain pipe fixing mandrel is installed on the side plate mounting sleeve; Cover plate, which is connected to the drain pipe fixing core rod; A blocking plate, which is inserted into the other end of the pre-embedded drainage pipe; A tapered rod sleeve and a fixed sleeve, both of which are disposed in the mounting holes of the mold side plate; An adjusting plate is connected to a fixed sleeve by bolts, and the adjusting plate is also connected to a tapered rod sleeve. And a cone rod for fixing the pre-buried drainage pipe, the cone rod being installed on a cone rod sleeve and inserted into the center hole of the plug plate.

[0006] As a further embodiment of this utility model: the drain pipe fixing core rod and the side plate mounting sleeve are connected by threads.

[0007] As a further embodiment of this utility model, the cover plate is welded and fixed to the drain pipe fixing core rod.

[0008] As a further embodiment of this utility model, it also includes an O-ring for sealing the gap between the pre-embedded drainage pipe and the fixing core rod, wherein the O-ring is installed in the groove of the drainage pipe fixing core rod.

[0009] As a further embodiment of this utility model, the adjusting plate and the conical rod sleeve are welded and fixed together.

[0010] As a further embodiment of this utility model, the conical rod and the conical rod sleeve are connected by threads.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: The fixing device for the pre-embedded drainage pipes in the concrete segments of the tunnel not only solves the problem of positioning and fixing the pre-embedded drainage pipes on the mold, but also the problem of concrete seeping into the pre-embedded drainage pipes during the pouring process. Attached Figure Description

[0012] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is a cross-sectional view of the present invention.

[0015] In the attached diagram: 1-Pre-embedded drainage pipe, 2-Blocking plate, 3-Side plate mounting sleeve, 4-Drainage pipe fixing mandrel, 5-Cover plate, 6-Mold side plate, 7-Conical rod, 8-Adjusting plate, 9-Conical rod sleeve, 10-Fixing sleeve, 11, 12-Bolts, 13-O-ring seal. Detailed Implementation

[0016] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. 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.

[0017] 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.

[0018] 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 will understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0020] Please see Figure 1 and Figure 2 The present invention provides a fixing device for a pre-embedded drainage pipe for a tunnel segment, comprising: a pre-embedded drainage pipe 1, a blocking plate 2, a side plate mounting sleeve 3, a drainage pipe fixing core rod 4, a cover plate 5, a cone rod 7, a cone rod sleeve 9, an adjusting plate 8, a fixing sleeve 10, an O-ring seal 13, and bolts 11 and 12. The side plate mounting sleeve 3 is fixed to the mold side plate 6 with bolts 12. The drain pipe fixing mandrel 4 is installed with the side plate mounting sleeve 3. The cover plate 5 is welded to the drain pipe fixing mandrel 4. The O-ring 13 is installed in the groove of the drain pipe fixing mandrel 4. The pre-embedded drain pipe 1 is inserted into the drain pipe fixing mandrel 4. The plug plate 2 is inserted into the other end of the pre-embedded drain pipe 1. The conical rod sleeve 9 is inserted into the hole of the mold side plate 6. The fixing sleeve 10 is inserted into the mold side plate 6. The adjusting plate 8 is welded to the conical rod sleeve 9. The assembly of the fixing sleeve 10 and the adjusting plate 8 is connected with bolts 11. The conical rod 7 is installed on the conical rod sleeve 9 and inserted into the center hole of the plug plate 2 to fix the pre-embedded drain pipe 1.

[0021] This device is used to solve the problems of positioning and fixing the pre-embedded drainage pipe 1 on the mold of the concrete segment, as well as the problem of concrete seeping into the pre-embedded drainage pipe 1 during the pouring process.

[0022] like Figure 2As shown, in a preferred embodiment of this utility model, the drain pipe fixing core 4 is threadedly connected to the side plate mounting sleeve 3.

[0023] like Figure 2 As shown, in a preferred embodiment of the present invention, the conical sleeve 9 is inserted into the mounting hole of another mold side plate 6.

[0024] like Figure 2 As shown, in a preferred embodiment of the present invention, the fixing sleeve 10 is inserted into the mounting hole of the mold side plate 6.

[0025] like Figure 2 As shown, in a preferred embodiment of this utility model, the adjusting plate 8 and the fixing sleeve 10 are connected and fixed with bolts 12 to ensure that the plane of the fixing sleeve 10 is flush with the inner cavity surface of the mold side plate 6.

[0026] like Figure 2 As shown, in a preferred embodiment of the present invention, the conical rod 7 is threadedly connected to the conical rod sleeve 9 and inserted into the center hole of the blocking plate 2 to fix the pre-embedded drainage pipe 1 on the mold.

[0027] like Figure 2 As shown in the preferred embodiment of this utility model, the fixing device for the pre-embedded drainage pipe of the tunnel concrete segment not only solves the problem of positioning and fixing the pre-embedded drainage pipe of the concrete segment on the mold, but also the problem of concrete seeping into the pre-embedded drainage pipe during the pouring process.

[0028] The working principle of this utility model is as follows: The fixing device for the pre-embedded drainage pipe of the tunnel concrete segment is as follows: the side plate mounting sleeve 3 is fixed to the mold side plate 6 by bolts 12, the drainage pipe fixing mandrel 4 is threaded to the side plate mounting sleeve 3, the cover plate 5 is welded to the drainage pipe fixing mandrel 4, the O-ring 13 is installed in the groove of the drainage pipe fixing mandrel 4 to seal the gap between the pre-embedded drainage pipe 1 and the fixing mandrel, the pre-embedded drainage pipe 1 is inserted into the fixing mandrel 4, the blocking plate 2 is inserted into the other end of the pre-embedded drainage pipe 1, the conical rod sleeve 9 is inserted into the mounting hole of another mold side plate 6, the fixing sleeve 10 is inserted into the mounting hole of the mold side plate 6, the adjusting plate 8 is connected to the fixing sleeve 10 with bolts 11 to ensure that the fixing sleeve 10 is flush with the inner cavity surface of the mold side plate 6, the adjusting plate 8 is then welded to the conical rod sleeve 9, and finally the conical rod 7 is installed on the conical rod sleeve 9 and inserted into the center hole of the blocking plate 2 to fix the pre-embedded drainage pipe 1 on the mold. This fixing device not only solves the problem of positioning and fixing the pre-embedded drainage pipes on the mold, but also the problem of concrete seeping into the pre-embedded drainage pipes during the pouring process.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fixing device for pre-embedded drainage pipes in tunnel segments, characterized in that, include: Side plate mounting sleeve, which is fixed to the mold side plate by bolts; A drain pipe fixing mandrel is used to fix one end of a pre-embedded drain pipe, and the drain pipe fixing mandrel is installed on the side plate mounting sleeve; Cover plate, which is connected to the drain pipe fixing core rod; A blocking plate, which is inserted into the other end of the pre-embedded drainage pipe; A tapered rod sleeve and a fixed sleeve, both of which are disposed in the mounting holes of the mold side plate; An adjusting plate is connected to a fixed sleeve by bolts, and the adjusting plate is also connected to a tapered rod sleeve. And a cone rod for fixing the pre-buried drainage pipe, the cone rod being installed on a cone rod sleeve and inserted into the center hole of the plug plate.

2. The fixing device for the pre-embedded drainage pipe in tunnel segments according to claim 1, characterized in that, The drain pipe fixing core rod and the side plate mounting sleeve are connected by threads.

3. The fixing device for the pre-embedded drainage pipe of the tunnel segment according to claim 1, characterized in that, The cover plate is welded and fixed to the drain pipe fixing core rod.

4. The fixing device for the pre-embedded drainage pipe of the tunnel segment according to claim 1, characterized in that, It also includes an O-ring for sealing the gap between the pre-embedded drainage pipe and the fixing mandrel, the O-ring being installed in the groove of the drainage pipe fixing mandrel.

5. The fixing device for the pre-embedded drainage pipe of the tunnel segment according to claim 1, characterized in that, The adjusting plate is welded and fixed to the tapered rod sleeve.

6. The fixing device for the pre-embedded drainage pipe of the tunnel segment according to claim 1, characterized in that, The cone rod and the cone rod sleeve are connected by threads.