Coastal subway concrete duct piece with reinforcing structure
The combined structure of the main support ring and the connecting fixing rod solves the problem of unstable docking of subway concrete segments, achieves stable splicing and reinforcement effects, and maintains the neatness and stability of the tunnel's internal space.
Patent Information
- Application Number
- CN202422996416.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The existing subway concrete segments are not stable enough at the joint position during installation and are prone to sliding and dislocation. In addition, the inner support rod structure affects the internal space of the tunnel.
The combined structure of the main support ring and the connecting fixing rod is adopted, and the stable splicing and reinforcement of the pipe segments are achieved through the designs of external matching grooves, docking side slots, stable matching through holes and fixed end discs.
It improves the stability of the pipe segment joint, prevents sliding and dislocation, and maintains the flatness and stability of the tunnel interior space.
Smart Images

Figure CN223424023U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of subway concrete pipe segments, in particular to a coastal subway concrete pipe segment with a reinforced structure. Background Art
[0002] Segment lining is a tunnel lining assembled from components prefabricated in factories or on-site. The use of prefabricated lining is one of the development directions of underground engineering.
[0003] When installing and using current subway concrete segments, the jointing and splicing operations are performed between single segments, which makes the jointing position unstable and may cause sliding and misalignment, resulting in the risk of instability. Installing the support rod structure on the inner side of the segment will affect the internal space of the tunnel. Utility Model Content
[0004] The purpose of the present utility model is to provide a coastal subway concrete pipe segment with a reinforced structure, so as to solve the problem raised in the above background technology that when the current subway concrete pipe segments are installed and used, the butt jointing operation is performed between single pieces of pipe segments, which makes the butt joint position unstable and may cause sliding and dislocation, resulting in the risk of instability, and the support rod structure installed on the inner side of the pipe segment will affect the internal space of the tunnel.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] The cam is secured to the side of the mounting plate by a spring, and the cam has a lock hole formed on the side panel that is provided with the lock hole, the lock hole being fixedly secured to the side panel and having a lock hole formed on the side panel.
[0007] As a preferred embodiment of the present invention: the main support ring is made of high-rigidity steel material, and there are multiple main support rings, which are arranged parallel to each other. The main support ring is arranged in an annular shape, and the outer mating groove is annular and opened at the outer center line position of the main support ring.
[0008] As a preferred embodiment of the present invention: the docking side slot is symmetrically annularly opened on both sides of the main support ring near the outer edge of the opening, there are multiple stable matching through holes, and the multiple stable matching through holes are all through-opened on the side of the main support ring near the edge, and one end of the stable matching through hole passes through the side wall of the main support ring and extends to the inside of the outer matching groove to maintain connection.
[0009] As a preferred embodiment of the present invention: there are multiple main concrete pipe segments, and the multiple main concrete pipe segments are arranged with their side edges butted against each other. The multiple main concrete pipe segments are arranged around the pipe body shape, and both ends of the main concrete pipe segments are horizontally butted against the side opening ends of the butting side slots.
[0010] As a preferred embodiment of the present invention: there are multiple connecting and fixing rods, and the multiple connecting and fixing rods are arranged parallel to each other, both ends of the multiple connecting and fixing rods are horizontally inserted and arranged on the inner side of the stable matching through hole, and the through end extends to the inner side of the outer matching groove, the fixed end disk is arranged in a polygonal shape, and the fixed end disk is threadedly fixed to the outer side of the threaded end through the central fixing screw hole.
[0011] As a preferred embodiment of the present invention: one end of the end clamping strip is correspondingly clamped and set on the inner side edge of the docking side clamping slot, the end positioning clamping holes are arranged at equal distances from each other, the bottom end of the mating mounting strip is horizontally correspondingly clamped and set on the inner side edge of the mating top slot, and one end of the positioning protrusion is correspondingly clamped and set on the inner side edge of the end positioning clamping hole.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] The utility model discloses a main support ring is set up in the inside of the tunnel vertically, and keeps the specified interval between each other, then lets multiple main concrete segment horizontal clamping is set up between the position of two adjacent main support ring, and the end clamping strip of both ends is inserted and connected and is set up to the inside of the butt side clamping groove, and the positioning protruding point in the inside is correspondingly clamped and set up in the inside of the positioning clamping hole, forms the positioning of the end clamping strip and prevents the sliding effect, then the bottom surface cooperation mounting strip of two adjacent live concrete segments is clamped and set up in the inside of the cooperation top groove, forms the stable splicing installation operation between, and multiple main concrete segments are set up between the position of two main support rings around the tubular horizontal, then let the connecting pipeline rod horizontal through the stable cooperation through -hole, let the fixed end disc body be placed to the one -end position of threaded end through the outer cooperation groove, and the fixed screw hole of central position and threaded end are fixedly connected between each other through the thread, and the end block and fixed end disc body are clamped and fixed to two main support rings, and under the pulling of connecting fixed rod, two main support rings are stabilized between each other, thereby the pipe piece of middle position is reinforced and stabilized effect, and the clamping type stable reinforcing structure is adopted, and the pipe piece arrangement between the position is more stable and neat, and under the reinforcing structure of the periphery, the internal flat surface is not affected. BRIEF DESCRIPTION OF DRAWINGS
[0014] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the drawings:
[0015] Figure 1 It is a kind of reinforcing structure's coastal subway concrete pipe piece three-dimensional structure schematic diagram;
[0016] Figure 2 It is a kind of reinforcing structure's coastal subway concrete pipe piece main concrete pipe piece three-dimensional connection detail structure schematic diagram;
[0017] Figure 3 It is a kind of reinforcing structure's coastal subway concrete pipe piece connecting fixed rod three-dimensional connection detail structure schematic diagram;
[0018] Figure 4 It is a kind of reinforcing structure's coastal subway concrete pipe piece main support ring side view connection detail structure schematic diagram;
[0019] Figure 5 It is a kind of reinforcing structure's coastal subway concrete pipe piece main support ring front view section connection detail structure schematic diagram.
[0020] In the figure: 1. Main support ring; 2. External mating groove; 3. Docking side slot; 4. Stabilizing mating through hole; 5. Main concrete pipe segment; 6. Connecting fixing rod; 7. Fixed end plate; 8. Mating top groove; 9. End clamping strip; 10. Positioning clamping hole; 11. Mating mounting strip; 12. End blocking block; 13. Fixing screw hole; 14. Threaded end; 15. Positioning bump. DETAILED DESCRIPTION
[0021] See also Figure 1 In an embodiment of the present invention, a coastal subway concrete pipe segment with a reinforced structure includes a main support ring 1, an outer side of the main support ring 1 is provided with an outer matching groove 2, the main support ring 1 is made of high-rigidity steel material, and the number of main support rings 1 is multiple, and the multiple main support rings 1 are arranged parallel to each other, the main support ring 1 is arranged in an annular shape, the outer matching groove 2 is annularly opened at the outer midline position of the main support ring 1, and docking side grooves 3 are symmetrically opened on both sides of the main support ring 1. Stable matching through holes 4 are evenly opened on the side of the main support ring 1, and the docking side grooves 3 are annularly symmetrically opened on both sides of the main support ring 1 near the outer edge of the opening. There are multiple stable matching through holes 4, and the multiple stable matching through holes 4 are all through-type opened on the side of the main support ring 1 near the edge, and one end of the stable matching through hole 4 passes through the side wall of the main support ring 1 and extends to the inner of the outer matching groove 2. The main concrete segments 5 are evenly arranged horizontally on the sides between the main support rings 1. The number of main concrete segments 5 is multiple, and the multiple main concrete segments 5 are arranged in a butt-jointed manner with each other on the sides. The multiple main concrete segments 5 are arranged around the tube body shape, and both ends of the main concrete segments 5 are horizontally butt-jointed and arranged at the side opening ends of the butt-jointed side slots 3. Connecting and fixing rods 6 are horizontally inserted on the sides between the main support rings 1, and one end of the connecting and fixing rods 6 is threadedly connected to a fixed end disc 7. The number of connecting and fixing rods 6 is multiple, and the multiple connecting and fixing rods 6 are arranged parallel to each other. Both ends of the multiple connecting and fixing rods 6 are horizontally inserted into the inner side of the stable matching through-hole 4, and the through-ends extend to the inner side of the outer matching groove 2. The fixed end disc 7 is arranged in a polygonal shape, and the fixed end disc 7 is threadedly fixedly connected to the outer side of the threaded end 14 through the fixing screw hole 13 in the center;
[0022] See also Figure 2-5The top surface of the main concrete pipe segment 5 is provided with a matching top groove 8, and the two ends of the main concrete pipe segment 5 are symmetrically fixed with end clamping strips 9. One end of the end clamping strip 9 is evenly provided with an end positioning clamping hole 10. The bottom surface of the main concrete pipe segment 5 is horizontally fixed with a matching installation strip 11, and one end of the connecting fixing rod 6 is fixedly welded with an end blocking block 12. The side of the fixed end disc 7 is provided with a fixing screw hole 13. The connecting fixing rod 6 is provided with a threaded end 14 at the end away from the end blocking block 12. The inner side edge of the docking side slot 3 is evenly fixed with positioning protrusions 15. One end of the end clamping strip 9 is correspondingly clamped and set on the inner side edge of the docking side slot 3. The end positioning clamping holes 10 are evenly arranged at equal distances from each other. The bottom end of the matching installation strip 11 is horizontally correspondingly clamped and set on the inner side edge of the matching top groove 8, and one end of the positioning protrusions 15 is correspondingly clamped and set on the inner edge of the end positioning clamping hole 10.
[0023] The working principle of this utility model is:
[0024] The main support ring 1 is set vertically inside the tunnel, so that they maintain a specified distance from each other, and then multiple main concrete pipe segments 5 are horizontally clamped and set between two adjacent main support rings 1, and the end clamping strips 9 at both ends are inserted into the inside of the docking side clamping groove 3, and the internal positioning protrusions 15 are correspondingly clamped and set inside the positioning clamping holes 10 to form a positioning and anti-slip effect of the end clamping strips 9, and then the bottom surfaces of the two adjacent concrete pipe segments 5 are clamped with the mounting strips 11 and set inside the matching top groove 8 to form a stable splicing and installation operation between them. Multiple main concrete pipe segments 5 are installed in a horizontal position, and the end clamping strips 9 at both ends are inserted into the inside of the docking side clamping groove 3. The earth pipe segments 5 are arranged horizontally in a tubular shape around each other in a position between the two main support rings 1, and then the connecting pipe rod 6 is horizontally passed through the stable matching through hole 4, and the fixed end disc 7 is placed at one end position of the threaded end 14 through the outer matching groove 2, and is threadedly fixed to each other through the fixing screw hole 13 at the center position and the threaded end 14. The end blocking block 12 and the fixed end disc 7 clamp and fix the two main support rings 1, and the two main support rings 1 are stabilized with each other under the pull of the connecting fixing rod 6, thereby reinforcing and stabilizing the pipe segment in the middle position.
[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A coastal subway concrete segment with a reinforced structure, comprising a main support ring (1), characterized in that: The outer side of the main support ring (1) is provided with an outer matching groove (2), the two sides of the main support ring (1) are symmetrically provided with docking side slots (3), the sides of the main support ring (1) are evenly provided with stable matching through holes (4), the sides between the main support rings (1) are evenly provided with main concrete pipe segments (5), the sides between the main support rings (1) are horizontally connected with connecting fixing rods (6), one end of the connecting fixing rod (6) is threadedly connected with a fixed end disc (7), the top surface of the main concrete pipe segment (5) is horizontally provided with a matching top groove (8), and the main concrete pipe segment The two ends of the (5) are symmetrically fixed with end clamping strips (9), one end of the end clamping strip (9) is evenly provided with an end positioning clamping hole (10), the bottom surface of the main concrete pipe segment (5) is horizontally fixed with a matching installation strip (11), one end of the connecting fixing rod (6) is fixedly welded with an end blocking block (12), the side of the fixed end disc (7) is provided with a fixing screw hole (13), the connecting fixing rod (6) is provided with a threaded end (14) at the end away from the end blocking block (12), and the inner side of the docking side slot (3) is evenly fixed with a positioning protrusion (15).
2. The coastal subway concrete segment with a reinforced structure according to claim 1, characterized in that: The main support ring (1) is made of high-rigidity steel material, and there are multiple main support rings (1). The multiple main support rings (1) are arranged in parallel with each other. The main support ring (1) is arranged in an annular shape, and the outer matching groove (2) is annularly opened at the outer midline position of the main support ring (1).
3. The coastal subway concrete segment with a reinforced structure according to claim 1, characterized in that: The docking side slots (3) are symmetrically arranged in an annular shape on both sides of the main support ring (1) near the outer edge of the opening. The number of stable matching through holes (4) is multiple, and the multiple stable matching through holes (4) are all arranged in a through-type manner on the side of the main support ring (1) near the edge. One end of the stable matching through hole (4) penetrates the side wall of the main support ring (1) and extends to the inside of the outer matching groove (2) to maintain connection.
4. The coastal subway concrete segment with a reinforced structure according to claim 1, characterized in that: The number of the main concrete pipe segments (5) is multiple, and the multiple main concrete pipe segments (5) are arranged with their sides butted against each other. The multiple main concrete pipe segments (5) are arranged around the pipe body in a shape, and both ends of the main concrete pipe segments (5) are horizontally butted against the side opening ends of the butting side slots (3).
5. The coastal subway concrete segment with a reinforced structure according to claim 1, characterized in that: The number of the connecting and fixing rods (6) is multiple, and the multiple connecting and fixing rods (6) are arranged in parallel with each other. Both ends of the multiple connecting and fixing rods (6) are horizontally inserted into the inner side of the stable matching through hole (4), and the through end extends to the inner side of the outer matching groove (2). The fixed end disc (7) is set in a polygonal shape, and the fixed end disc (7) is threadedly fixedly connected to the outer side of the threaded end (14) through the central fixing screw hole (13).
6. The coastal subway concrete segment with a reinforced structure according to claim 1, characterized in that: One end of the end clamping strip (9) is correspondingly clamped and arranged on the inner side of the docking side clamping groove (3), the end positioning clamping holes (10) are arranged at equal distances from each other, the bottom end of the matching installation strip (11) is horizontally clamped and arranged on the inner side of the matching top groove (8), and one end of the positioning protrusion (15) is correspondingly clamped and arranged on the inner side of the end positioning clamping hole (10).