Hole-punching-free shield section hanging steel rail device
By installing rail suspension devices on the shield tunnel segments using their built-in handholes, the quality problems caused by drilling holes in the tunnel segments during the rail suspension process were solved, thus improving construction quality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, the method of suspending steel rails in shield tunnel sections requires drilling holes and installing reinforcing bars on the shield segments, which leads to quality problems such as leakage and surface cracking of the segments.
A suspension device that does not require drilling is adopted, which uses the original handholes of the shield tunnel segments to install the rails. The rails are supported by a base plate and support rod structure, avoiding the need for drilling and rebar installation.
It avoids damage to tunnel segments, improves construction quality and efficiency, and the suspension device is a one-time investment that can be reused, is easy to install and dismantle, and is safe and reliable.
Smart Images

Figure CN224031394U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of no need to punch shield section suspension rail device, belong to rail transit technical field. BACKGROUND
[0002] In rail traffic track-laying engineering, track-laying machine is used for track-laying construction, and steel rails, sleepers, fasteners and reinforcing bars are scattered in sections in sequence during construction process. In order to ensure the assembly of track-laying machine, the steel rails are hung on the side piece of shield segment in advance to ensure the storage space of other materials. The existing construction method is to punch holes in the segment and embed the reinforcing bars partially and expose them partially. The steel rails are hung at intervals. The above-mentioned rail hanging method has the following problems: punching holes in the segment and embedding the reinforcing bars can cause quality problems such as leakage and surface cracking of the segment. SUMMARY
[0003] The utility model solves the technical problem, overcomes the defects of the prior art, and provides a kind of no need to punch shield section suspension rail device, utilize the hand hole of shield segment originally Install rail suspension device, no need to punch additionally, can avoid the damage of shield segment caused by punching holes in the segment and embedding the reinforcing bars.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme:
[0005] A kind of no need to punch shield section suspension rail device, including bottom plate and support rod, the bottom plate is installed in the hand hole opened in shield segment, bolt is installed in the hand hole, nut is set on the bolt, the bottom plate includes plate body, installation hole is opened in the middle part of the plate body, the installation hole is set on the outer side of the nut, the support rod includes upper support rod portion, inclined connecting rod portion and lower support rod portion connected in sequence, the upper support rod portion and lower support rod portion are connected with the plate body respectively, the upper support rod portion is used to support the lower surface of steel rail, the inclined connecting rod portion is connected with the lower support rod portion, and the connection portion of the inclined connecting rod portion and the lower support rod portion is in contact with the lower part of the inner wall of the hand hole.
[0006] The bottom plate is a steel plate.
[0007] The support rod is a reinforcing bar.
[0008] The upper part of the plate body is a linear structure, and the lower part is an arc structure.
[0009] The bottom plate is provided with a welding port, and the support rod includes a welding rod portion, the welding rod portion is connected with the upper support rod portion, and the welding rod portion is fixed by welding after being clamped in the welding port.
[0010] The lower support rod portion and the plate body are connected by welding.
[0011] The thickness of the bottom plate is 4-6 mm.
[0012] The diameter of the support rod is 13-15mm.
[0013] The utility model discloses a kind of no need to punch shield section interval suspension rail device, suspension rail device includes bottom plate and support rod, bottom plate is installed in the hand hole opened in shield segment, support rod supports steel rail, utilize the hand hole of shield segment originally, no need to punch additionally, the damage caused to shield segment by shield segment punching and planting bar can be avoided, in addition, suspension tool is disposable investment, turns use, small in size, convenient to install and dismount, safe and reliable, shield section construction quality, construction efficiency can be greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a kind of no need to punch shield section interval suspension rail device of the utility model structure schematic diagram;
[0015] Fig. 2 It is the installation structure schematic diagram of the utility model shield section interval suspension rail device;
[0016] Fig. 3 It is the structure schematic diagram of bottom plate in the utility model shield section interval suspension rail device;
[0017] Marked in drawing as follows in drawing: 1-bottom plate;2-support rod;3-shield segment;4-hand hole;5-steel rail;6-bolt;7-nut;11-plate body;12-mounting hole;13-welding interface;21-welding rod portion;22-upper support rod portion;23-inclined connecting rod portion;24-lower support rod portion. DETAILED DESCRIPTION
[0018] The utility model will be further described in connection with the drawings, and the following embodiment is only used to more clearly explain the technical scheme of the utility model, and cannot limit the protection scope of the utility model by this.
[0019] Example 1
[0020] As Figs. 1 to 3 Indicated, the utility model discloses a kind of no need to punch shield section interval suspension rail device, including bottom plate 1 and support rod 2. Bottom plate 1 is installed in the hand hole 4 opened in shield segment 3, and the entire steel rail suspension device utilizes the hand hole of shield segment itself. Bolt 6 is installed in hand hole 4, and nut 7 is sleeved on bolt 6. Bottom plate 1 includes plate body 11, and mounting hole 12 is opened in the middle part of plate body 11, and mounting hole 12 is sleeved on the outside of nut 7, for preventing bottom plate 1 from shaking.
[0021] The support rod 2 comprises an upper support rod part 22, an inclined connecting rod part 23 and a lower support rod part 24 which are integrally connected in sequence, the upper support rod part 22 and the lower support rod part 24 are connected with the plate body 11 respectively, and the support rod 2 is installed on the bottom plate 1. The upper support rod part 22 is used for supporting the lower surface of the steel rail 5, and replaces the role of the conventional punching installation reinforcing bar. The connecting part of the inclined connecting rod part 23 and the lower support rod part 24 is in contact with the lower part of the inner wall of the hand hole 4, and is used for providing support force for the support rod 2.
[0022] The working principle of the utility model is as follows: the mounting hole 12 on the bottom plate 1 is directly sleeved on the nut 7, the position of the support rod 2 is adjusted, the connecting part of the inclined connecting rod part 23 and the lower support rod part 24 is in contact with the lower part of the inner wall of the hand hole 4, and then the steel rail 5 is placed on the upper support rod part 22.
[0023] The utility model discloses a shield segment originally hand hole installation rail suspension device, need not additionally punch, can avoid the damage that shield segment punch installs reinforcing bar to shield segment, in addition, the suspension tool is once for all investment, turns to use, and the body is small, and the installation and removal are convenient, safe and reliable, and the shield interval construction quality, construction efficiency can be greatly promoted.
[0024] Embodiment 2
[0025] As Figs. 1 to 3 The utility model discloses a need not to punch shield interval suspension rail device, including bottom plate 1 and support rod 2. The bottom plate 1 is steel sheet, and the thickness is 4~6mm. The support rod 2 is reinforcing bar, and the diameter is 13~15mm. The upper part of plate body 11 is linear structure, and the lower part is arc structure. The bottom plate 1 is installed in the hand hole 4 of the shield segment 3, and the whole rail suspension device utilizes the hand hole of the shield segment itself. The bolt 6 is installed in the hand hole 4, and the nut 7 is sleeved on the bolt 6. The bottom plate 1 includes plate body 11, and the mounting hole 12 is formed in the middle part of plate body 11, the mounting hole 12 is sleeved on the outside of nut 7, and is used for preventing the bottom plate 1 from shaking.
[0026] The support rod 2 comprises an upper support rod part 22, an inclined connecting rod part 23 and a lower support rod part 24 which are integrally connected in sequence, the upper support rod part 22 and the lower support rod part 24 are connected with the plate body 11 respectively, and the support rod 2 is installed on the bottom plate 1. The upper support rod part 22 is used for supporting the lower surface of the steel rail 5, and replaces the role of the conventional punching installation reinforcing bar. The connecting part of the inclined connecting rod part 23 and the lower support rod part 24 is in contact with the lower part of the inner wall of the hand hole 4, and is used for providing support force for the support rod 2.
[0027] The lower part of the bottom plate 1 is provided with a welding port 13, the support rod 2 comprises a welding rod part 21, the welding rod part 21 is connected with the upper support rod part 22, and the welding rod part 21 is clamped in the welding port 13 and is fixed by welding. The lower support rod part 24 and the plate body 11 are weldedly connected.
[0028] The above are only preferred embodiments of the present application, and it should be pointed out that: for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered within the scope of the present application.
Claims
1. A suspension rail device for shield tunnel sections without the need for drilling, characterized in that: The device includes a base plate (1) and a support rod (2). The base plate (1) is installed in a hand hole (4) on the shield tunnel segment (3). A bolt (6) is installed in the hand hole (4). A nut (7) is fitted on the bolt (6). The base plate (1) includes a plate body (11). An installation hole (12) is opened in the middle of the plate body (11). The installation hole (12) is fitted on the outside of the nut (7). The support rod (2) includes an upper support rod part (22), an oblique connecting rod part (23), and a lower support rod part (24) that are integrally connected in sequence. The upper support rod part (22) and the lower support rod part (24) are respectively connected to the plate body (11). The upper support rod part (22) is used to support the bottom of the rail (5). The connection between the oblique connecting rod part (23) and the lower support rod part (24) is in contact with the lower part of the inner wall of the hand hole (4).
2. The non-drilling shield tunnel section suspension rail device according to claim 1, characterized in that: The base plate (1) is a steel plate.
3. The non-drilling shield tunnel section suspension rail device according to claim 2, characterized in that: The support rod (2) is a steel bar.
4. The non-drilling shield tunnel section suspension rail device according to claim 1, characterized in that: The upper part of the plate (11) is a linear structure, and the lower part is an arc structure.
5. The non-drilling shield tunnel section suspension rail device according to claim 3, characterized in that: The bottom plate (1) has a welding port (13) at the bottom. The support rod (2) includes a welding rod part (21). The welding rod part (21) is connected to the upper support rod part (22). The welding rod part (21) is fixed by welding after being inserted into the welding port (13).
6. The non-drilling shield tunnel section suspension rail device according to claim 3, characterized in that: The lower support rod (24) and the plate (11) are connected by welding.
7. The non-drilling shield tunnel section suspension rail device according to claim 1, characterized in that: The thickness of the base plate (1) is 4~6mm.
8. The non-drilling shield tunnel section suspension rail device according to claim 1, characterized in that: The diameter of the support rod (2) is 13~15mm.