Double-row Larsen steel sheet pile

By using structural unit connections and interlocking designs, the problem of separating the front and rear rows of double-row Larssen sheet piles has been solved, achieving better support effect and directional adaptability, and meeting diverse engineering needs.

CN116607505BActive Publication Date: 2026-02-13HUBEI ZHONGNAN GEOTECHNICAL ENG CO LTD +2
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202310642867.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-01
Publication Date
2026-02-13
Estimated Expiration
2043-06-01

AI Technical Summary

Technical Problem

The existing double-row Larssen sheet piles have independent front and rear rows of piles, resulting in poor support effect, and the connection of Larssen sheet piles in different directions is not easy to change.

Method used

The structure adopts a structural unit connection method, and the parallel Larssen steel sheet piles are fixed by the first lock to form a double row of Larssen steel sheet piles. The connection in different directions is achieved by the first and second connectors, and the second lock and the fastener are used to form a triangular structure to enhance stability.

Benefits of technology

It improves the integrity and support effect of double-row Larssen sheet piles, enhances adaptability to different directions, and meets diverse engineering construction requirements.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN116607505B_ABST
    Figure CN116607505B_ABST
Patent Text Reader

Abstract

The application provides a double-row Larsen steel sheet pile, which comprises a plurality of structural units, the structural unit comprises two parallel arranged Larsen steel sheet piles and a first lock buckle, the two parallel arranged Larsen steel sheet piles are fixedly connected through the first lock buckle, and two adjacent structural units are fixedly connected through the first lock buckle in one structural unit and the two Larsen steel sheet piles in another structural unit. The double-row Larsen steel sheet pile is connected through the structural unit, the structural unit fixes and connects the parallel arranged Larsen steel sheet piles through the first lock buckle, forms the double-row Larsen steel sheet pile, and has high integrity and better supporting effect.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of engineering facilities, and particularly relates to a double-row Larsen steel sheet pile. BACKGROUND

[0002] In foundation pit engineering construction, some foundation pits use single-row Larsen steel sheet pile support which cannot meet the design requirements, at this time, double-row Larsen steel sheet pile is needed, but the conventional double-row Larsen steel sheet pile is two rows of piles which are not connected, the front row of pile bodies are connected together through a surrounding purlin to form a whole, and the rear row is only connected through the lock of the Larsen steel sheet pile and is in a disconnected state with the front row of piles, and this kind of mode may have the problem of poor integrity of the support structure, thereby affecting the support effect. In addition, the connection arrangement of the Larsen steel sheet pile is not easy to change direction, and how to better realize the connection between the Larsen steel sheet piles in different arrangement directions is also a problem to be solved urgently.

[0003] Therefore, it is necessary to provide a double-row Larsen steel sheet pile which arranges the double rows of Larsen steel sheet piles through a structural unit, has better support effect, and can realize the connection between the Larsen steel sheet piles in different directions and is more convenient to use. SUMMARY

[0004] The application aims to provide a double-row Larsen steel sheet pile which solves the problem of poor support effect of the prior art double-row Larsen steel sheet pile in which the front and rear rows of pile bodies are independently separated.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the application is as follows:

[0006] A double-row Larsen steel sheet pile, characterized in that it comprises a plurality of structural units, each of the structural units comprising two parallel Larsen steel sheet piles and a first lock, and the two parallel Larsen steel sheet piles are fixedly connected through the first lock; two adjacent structural units are fixedly connected through the first lock in one structural unit and the two Larsen steel sheet piles in another structural unit.

[0007] In the application, the first lock comprises a first main body and four first fixing parts, and the four first fixing parts are fixedly connected to the first main body.

[0008] Further, the four first fixing parts are two groups, are fixedly connected to the two sides of the first main body, and are symmetrically arranged at the two ends of the first main body.

[0009] In the application, the Larsen steel sheet pile comprises a second main body, a second fixing part and a connecting part.

[0010] Further, the second fixing part is connected to the second main body through the connecting part.

[0011] Further, two connecting parts are arranged, and two second fixing parts are arranged.

[0012] Further, two connecting parts are symmetrically arranged at two ends of the second body part, and two second fixing parts are symmetrically arranged at two ends of the second body part.

[0013] The application can be improved as follows: a second lock buckle is arranged at the end of the double-row Larsen steel sheet pile, the second lock buckle is connected with the structural unit, and the two parallel Larsen steel sheet piles in the structural unit are fixed to form a closed structure.

[0014] Further, the second lock buckle comprises a third body part and a third fixing part, and the third fixing part is fixedly connected to the third body part.

[0015] Further, the third fixing part is provided with two third fixing parts, which are fixedly connected to two ends of the third body part, respectively.

[0016] The application can be further improved as follows: a first connecting piece is arranged, the first connecting piece comprises a second lock buckle and a Larsen steel sheet pile, and the second lock buckle is fixedly connected to the Larsen steel sheet pile; the first connecting piece is connected to the external structural unit through the second lock buckle and the Larsen steel sheet pile. The first connecting piece can realize the longitudinal extension of the double-row Larsen steel sheet pile.

[0017] Further, the third body part of the second lock buckle of the first connecting piece is fixedly connected to the second body part of the Larsen steel sheet pile of the first connecting piece.

[0018] Further, the third fixing part of the second lock buckle of the first connecting piece is connected to the second fixing part of the Larsen steel sheet pile of the external structural unit; and the second fixing part of the Larsen steel sheet pile of the first connecting piece is connected to the first fixing part of the first lock buckle of the external structural unit.

[0019] The application can be further improved as follows: a second connecting piece is further arranged, the second connecting piece is connected to the external structural unit; the second connecting piece comprises a second lock buckle, a Larsen steel sheet pile and a first fixing piece; the second lock buckle is fixedly connected to the Larsen steel sheet pile, the second lock buckle is connected to the first fixing piece, and the Larsen steel sheet pile is connected to the first fixing piece, so that the second lock buckle, the Larsen steel sheet pile and the first fixing piece form a triangular structure. By adjusting the connection angle of the Larsen steel sheet pile in the second connecting piece with the second lock buckle and the first fixing piece, the second connecting piece can be connected to the structural unit, so that the double-row Larsen steel sheet pile can be extended to different angles to meet more requirements.

[0020] Further, the second connecting piece is fixedly connected to the external structural unit through the third fixing part of the second lock buckle; and the second connecting piece is fixedly connected to the first fixing part of the first lock buckle of the external structural unit through the second fixing part of the Larsen steel sheet pile of the second connecting piece.

[0021] Further, the second fixing member is fixedly connected with the third main body part of the second lock buckle of the second connecting member, so that one side of the second fixing member is arranged in parallel with the second main body part of the Larson steel sheet pile of the second connecting member. By arranging the second fixing member, the construction machinery can clamp the second fixing member and the second main body part of the Larson steel sheet pile during the installation and construction of the double-row Larson steel sheet pile connecting structure, so that the construction is facilitated, the stress is more uniform, and the second lock buckle of the second connecting member and the Larson steel sheet pile are not damaged.

[0022] Further, the third fixing member is fixedly connected in the triangular structure enclosed by the second lock buckle, the Larson steel sheet pile and the first fixing member, so that the third fixing member supports the triangular structure. By arranging the third fixing member, the strength of the triangular structure during construction is further improved.

[0023] Further, the second fixing member and the third fixing member are wedge-shaped members.

[0024] In the present application, the first lock buckle and the second lock buckle are made of steel.

[0025] In the present application, the first fixing member is a steel plate, and the second fixing member is a steel plate.

[0026] The present application has the following advantages:

[0027] (1) The double-row Larson steel sheet pile is connected by a structural unit, the structural unit fixes and connects the parallel Larson steel sheet piles by the first lock buckle to form the double-row Larson steel sheet pile, so that the whole is strong and the supporting effect is better.

[0028] (2) The double-row Larson steel sheet pile connects the Larson steel sheet piles in different directions by the first connecting member and the second connecting member, has better adaptability, and can meet the requirements of different engineering constructions. BRIEF DESCRIPTION OF DRAWINGS

[0029] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0030] Figure 1 It is a schematic view of the overall structure of the double-row Larson steel sheet pile of the present application;

[0031] Figure 2 It is a front view of the double-row Larson steel sheet pile of the present application;

[0032] Figure 3 It is a left view of the double-row Larson steel sheet pile of the present application;

[0033] Figure 4 It is a top view of the double-row Larson steel sheet pile of the present application;

[0034] Figure 5 This is a schematic diagram of the structural unit of the present invention;

[0035] Figure 6 This is a schematic diagram of the overall structure of the first connector of the present invention;

[0036] Figure 7 This is a front view of the first connector of the present invention;

[0037] Figure 8 This is a schematic diagram of the overall structure of the second connector of the present invention;

[0038] Figure 9 This is a front view of the second connector of the present invention;

[0039] Figure 10 This is a rear view of the second connector of the present invention;

[0040] Figure 11 This is a left view of the second connector of the present invention;

[0041] Figure 12 This is a schematic diagram of the structure of the first locking latch of the present invention;

[0042] Figure 13 This is a schematic diagram of the overall structure of the second latch of the present invention;

[0043] Figure 14 This is a schematic diagram of the overall structure of the Larssen sheet pile of the present invention;

[0044] The following labels are used in the attached drawings: 1. First component; 2. Second component; 3. Third component; 4. Structural unit; 5. First connector; 6. Second connector; 7. First lock; 8. Larssen sheet pile; 9. Second lock; 10. First fastener; 11. Second fastener; 12. Third fastener; 701. First main body; 702. First fixing part; 801. Second main body; 802. Second fixing part; 803. Connecting part; 901. Third main body; 902. Third fixing part. Detailed Implementation

[0045] like Figures 1-14 The double-row Larssen sheet pile shown includes a first component 1, a second component 2, and a third component 3. The first component 1 is composed of three structural units 4 connected in sequence, the second component 2 is composed of three structural units 4 connected in sequence, and the third component 3 is composed of three structural units 4 connected in sequence.

[0046] Each structural unit 4 includes two parallel Larssen sheet piles 8 and a first locking buckle 7. The two parallel Larssen sheet piles 8 are fixedly connected by the first locking buckle 7. Two adjacent structural units 4 are fixedly connected to the two Larssen sheet piles 8 in the other structural unit 4 by the first locking buckle 7 in one structural unit 4.

[0047] Specifically, the first lock 7 comprises a first body part 701 and four first fixing parts 702, the four first fixing parts 702 are divided into two groups and fixedly connected to the two sides of the first body part 701 respectively, and symmetrically arranged at the two ends of the first body part 701. The Larsen steel sheet pile 8 comprises a second body part 801, two second fixing parts 802 and two connecting parts 803, each second fixing part 802 is connected with the second body part 801 through one connecting part 803, and the two connecting parts 803 are symmetrically arranged at the two ends of the second body part 801, and the two second fixing parts 802 are symmetrically arranged at the two ends of the second body part 801. The second lock 9 comprises a third body part 901 and two third fixing parts 902, and the two third fixing parts 902 are fixedly connected to the two ends of the third body part 901 respectively. In this embodiment, the first lock 7 and the second lock 9 are both made of steel.

[0048] The first member 1 and the second member 2 are fixedly connected through the first connecting piece 5, and the first member 1 and the third member 3 are fixedly connected through the second connecting piece 6.

[0049] Specifically, the first connecting piece 5 comprises the second lock buckle 9 and the Larsen steel sheet pile 8, the third body part 901 of the second lock buckle 9 is fixedly connected with the second body part 801 of the Larsen steel sheet pile 8 of the first connecting piece 5; the first connecting piece 5 is fixedly connected with the two Larsen steel sheet piles 8 in the structure unit 4 at the end of the first component 1 through the third fixing part 902 of the second lock buckle 9; the first connecting piece 5 is fixedly connected with the first fixing part 702 of the first lock buckle 7 in the structure unit 4 at the end of the second component 2 through the second fixing part 802 of the Larsen steel sheet pile 8 of the first connecting piece 5. The second connecting piece 6 comprises the second lock buckle 9, the Larsen steel sheet pile 8, the first fixing piece 10, the second fixing piece 11 and the third fixing piece 12; wherein the second lock buckle 9 is fixedly connected with the Larsen steel sheet pile 8, the second lock buckle 9 is connected with the first fixing piece 10, the Larsen steel sheet pile 8 is connected with the first fixing piece 10, so that the second lock buckle 9, the Larsen steel sheet pile 8 and the first fixing piece 10 form a triangular structure. The second fixing piece 11 is fixedly connected with the third body part 901 of the second lock buckle 9 of the second connecting piece 6, so that one side of the second fixing piece 11 is arranged in parallel with the second body part 801 of the Larsen steel sheet pile 8 of the second connecting piece 6. The third fixing piece 12 is fixedly connected inside the triangular structure formed by the second lock buckle 9, the Larsen steel sheet pile 8 and the first fixing piece 11, so that the third fixing piece 12 supports the triangular structure. The second connecting piece 6 is fixedly connected with the structure unit 4 at the end of the first component 1 through the third fixing part 902 of the second lock buckle 9. The second connecting piece 6 is fixedly connected with the first fixing part 702 of the first lock buckle 7 of the structure unit 4 at the end of the third component 3 through the second fixing part 802 of the Larsen steel sheet pile 8 of the second connecting piece 6. In the embodiment, the first fixing piece 10 is a steel sheet, the second fixing piece 11 and the third fixing piece 12 are wedge-shaped steel sheets.

[0050] In the application, the double-row Larsen steel sheet piles are arranged at the ends of the second component 2 and the third component 3, and the two Larsen steel sheet piles 8 in the structure unit 4 at the ends of the second component 2 and the third component 3 are fixed by the second lock buckle 9, so that the structure is more stable.

[0051] The above embodiments of the application are not intended to limit the protection scope of the application, and the embodiments of the application are not limited thereto. According to the above content of the application, other various forms of modifications, replacements or changes to the above structure of the application can be made according to the ordinary technical knowledge and common methods in the art without departing from the above basic technical idea of the application, and all of them shall fall within the protection scope of the application.

Claims

1. A double-row Larssen sheet pile, characterized in that, The structure unit (4) comprises two parallelly arranged Larsen steel sheet piles (8) and a first lock buckle (7), and the two parallelly arranged Larsen steel sheet piles (8) are fixedly connected through the first lock buckle (7); two adjacent structure units (4) are fixedly connected through the first lock buckle (7) in one structure unit (4) and the two Larsen steel sheet piles (8) in another structure unit (4); The second lock buckle (9) is arranged at the end of the double-row Larsen steel sheet pile (8) connecting structure, and the second lock buckle (9) is connected with the structure unit (4) to fix the two parallelly arranged Larsen steel sheet piles (8) in the structure unit (4) to form a closed structure; the second lock buckle (9) comprises a third main body part (901) and a third fixing part (902), and the third fixing part (902) is fixedly connected with the third main body part (901). The second connecting piece (6) is connected with the external structure unit (4); the second connecting piece (6) comprises the second lock buckle (9), the Larsen steel sheet pile (8) and the first fixing piece (10); the second lock buckle (9) is fixedly connected with the Larsen steel sheet pile (8), the second lock buckle (9) is connected with the first fixing piece (10), and the Larsen steel sheet pile (8) is connected with the first fixing piece (10), so that the second lock buckle (9), the Larsen steel sheet pile (8) and the first fixing piece (10) form a triangular structure; the second connecting piece (6) is fixedly connected with the external structure unit (4) through the third fixing part (902) of the second lock buckle (9); the second connecting piece (6) is fixedly connected with the first lock buckle (7) of the external structure unit (4) through the second fixing part (802) of the Larsen steel sheet pile (8) of the second connecting piece (6). The second fixing piece (11) is fixedly connected with the third main body part (901) of the second lock buckle (9) of the second connecting piece (6), so that one side of the second fixing piece (11) is parallelly arranged with the second main body part (801) of the Larsen steel sheet pile (8) of the second connecting piece (6).

2. Double row Larssen sheet piles according to claim 1, characterized in that The first lock buckle (7) comprises a first main body part (701) and four first fixing parts (702), and the four first fixing parts (702) are fixedly connected with the first main body part (701).

3. Double row Larssen sheet piles according to claim 2, characterized in that The Larsen steel sheet pile (8) comprises a second main body part (801), a second fixing part (802) and a connecting part (803), and the second fixing part (802) is connected with the second main body part (801) through the connecting part (803).

4. Double row Larssen sheet piles according to claim 3, characterized in that The first connecting piece (5) comprises the second lock buckle (9) and the Larsen steel sheet pile (8), and the second lock buckle (9) is fixedly connected with the Larsen steel sheet pile (8); the first connecting piece (5) is connected with the external structure unit (4) through the second lock buckle (9) and the Larsen steel sheet pile (8) respectively.

5. Double row Larssen sheet piles according to claim 4, characterized in that The third main part (901) of the second lock buckle (9) of the first connecting piece (5) is fixedly connected with the second main part (801) of the Larson steel sheet pile (8) of the first connecting piece (5).

Citation Information

Patent Citations

  • Combined steel structure support pile and construction method

    CN107326896A