Supporting structure of Larsen steel sheet pile

Abstract

The utility model provides a supporting structure of a Larsen steel sheet pile, which belongs to the technical field of foundation pit slope supporting and comprises the Larsen steel sheet pile, a connecting plate, a supporting steel rod, a displacement plate and a fixing piece. The connecting plate is provided with a clamping groove with an opening facing the direction away from the Larsen steel sheet pile and a limiting groove located above or below the clamping groove. One end of the supporting steel rod is inserted into the clamping groove of the connecting plate, the other end of the supporting steel rod is connected with the bottom face through the base, then the fixing piece is rotated, the fixing piece is in threaded connection with the connecting plate, the displacement plate can be driven to move, and the displacement plate drives the first inserting rods to be inserted into the supporting steel rod at the same time; when the supporting structure is disassembled, only one fixing piece needs to be rotated, other tools are not needed, consumed time is short, and disassembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit slope support, in particular to a support structure of Larsen steel sheet piles. Background Art

[0002] Larsen steel sheet piles are also called U-shaped steel sheet piles. As a new type of building material, they are used as retaining walls, water retaining walls, and sand retaining walls during bridge cofferdam construction, large pipeline laying, and temporary ditch excavation; they are also used as retaining walls, retaining walls, and embankment protection walls at docks and unloading yards, playing an important role in engineering projects.

[0003] Chinese patent document CN216865191U discloses a combined support mechanism of Larsen steel sheet piles and steel braces, including Larsen steel sheet piles and three groups of supporting steel rods, a mounting plate is provided on the right side wall of the Larsen steel sheet pile, one end of the three groups of supporting steel rods are hinged with a base, the other end of the three groups of supporting steel rods are hinged with a clamping block, the right side wall of the mounting plate is provided with three groups of clamping grooves matching the clamping blocks, three groups of fixing bolts are penetrated through the top of the mounting plate, the tops of the three groups of clamping blocks are provided with threaded holes matching the fixing bolts, the front side walls of the three groups of supporting steel rods are hinged with adjustment components, and three groups of extrusion plates are provided on the right side of the Larsen steel sheet pile.

[0004] The Larsen steel sheet piles are connected to the supporting steel rods by fixing bolts. When disassembly is required, it is necessary to find a disassembly tool and then use the disassembly tool to tighten multiple bolts. The disassembly steps are relatively cumbersome, which affects the disassembly efficiency. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art that the Larsen steel sheet piles and the supporting steel rods are connected by fixing bolts, the disassembly steps are relatively cumbersome, and the disassembly efficiency is affected, thereby providing a support structure of Larsen steel sheet piles.

[0006] In order to solve the above technical problems, the utility model provides a support structure of Larsen steel sheet piles, comprising: Larsen steel sheet piles;

[0007] A connecting plate is mounted on the Larsen steel sheet pile, wherein the connecting plate has a slot opening in a direction away from the Larsen steel sheet pile and a limiting slot located above or below the slot;

[0008] There are at least three supporting steel rods spaced apart along the length direction of the connecting plate, one end of the three supporting steel rods is respectively inserted into the slots, and the other ends of the three supporting steel rods are respectively provided with bases for supporting on the ground;

[0009] A displacement plate is slidably mounted in the limiting groove, and three first plug rods are arranged at intervals on the displacement plate, one end of the three first plug rods respectively passes through the connecting plate and is plug-connected with the parts of the three supporting steel rods located in the slots;

[0010] A fixing member, one end of which is rotatably connected to the displacement plate, and the fixing member passes through the connecting plate and is threadedly connected to the connecting plate.

[0011] Optionally, there are a plurality of card slots arranged at intervals.

[0012] Optionally, the supporting steel rod includes a rod body and an insert block rotatably disposed on the rod body, and the insert block has a slot for inserting and connecting with the first insert rod.

[0013] Optionally, the base is rotatably disposed on the supporting steel rod.

[0014] Optionally, it further comprises: a second insertion rod, which is passed through the base, and one end of the second insertion rod for inserting into the soil is conical.

[0015] Optionally, each of the bases has at least two second insertion rods symmetrically arranged.

[0016] Optionally, a limiting rod is provided between the top wall and the bottom wall of the limiting groove, and the displacement plate has a through groove for passing the limiting rod.

[0017] Optionally, the limiting rod is a round rod, and there are at least two of the round rods that are symmetrically arranged.

[0018] Optionally, it further includes: a support member installed on the supporting steel rod, the support member having a supporting surface for supporting the Larsen steel sheet pile.

[0019] Optionally, the support member includes: a sleeve rotatably mounted on the supporting steel rod and a movable rod slidably mounted in the sleeve, one end of the movable rod passes through the sleeve and is provided with a support plate, and the supporting surface is formed by the outer surface of the support plate.

[0020] The technical solution of the utility model has the following advantages:

[0021] 1. The support structure of the Larsen steel sheet pile provided by the utility model inserts one end of the supporting steel rod into the slot of the connecting plate, and the other end of the supporting steel rod is connected to the bottom surface through the base, and then the fixing piece is rotated. The fixing piece is threadedly connected to the connecting plate, which can drive the displacement plate to move. The displacement plate simultaneously drives multiple first insertion rods to be inserted into the supporting steel rod, thereby completing the installation of the support structure. When disassembling, only one fixing piece needs to be rotated, and no other tools are needed. The time consumed is short, which improves the efficiency of disassembly.

[0022] 2. In the support structure of the Larsen steel sheet pile provided by the utility model, the second insertion rod can improve the stability of the connection between the base and the ground, and has a better supporting effect on the Larsen steel sheet pile.

[0023] 3. The support structure of the Larsen steel sheet pile provided by the utility model, the support surface on the support member is supported on the Larsen steel sheet pile, which can increase the contact area between the supporting steel rod and the Larsen steel sheet pile, disperse the pressure of the Larsen steel sheet pile, and achieve better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A front view of a support structure of a Larsen steel sheet pile provided in a first embodiment of the utility model;

[0026] Figure 2 for Figure 1 A cross-sectional view of

[0027] Figure 3 for Figure 2 Schematic diagram of the AA position in the middle;

[0028] Figure 4 for Figure 3 Enlarged view of area B;

[0029] Figure 5 for Figure 2 Enlarged view of the middle sleeve.

[0030] Description of reference numerals:

[0031] 1. Larsen steel sheet pile; 2. Connecting plate; 3. Slot; 4. Limiting slot; 5. Supporting steel rod; 6. Base; 7. Displacement plate; 8. First plug rod; 9. Fixing piece; 10. Rod body; 11. Insert block; 12. Slot; 13. Second plug rod; 14. Supporting surface; 15. Sleeve; 16. Movable rod; 17. Supporting plate; 18. Screw; 19. Limiting rod; 20. Through slot. DETAILED DESCRIPTION

[0032] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0036] like Figures 1 to 4 As shown, a specific implementation of the support structure of the Larsen steel sheet pile provided in this embodiment includes: a Larsen steel sheet pile 1, a connecting plate 2, a supporting steel rod 5, a displacement plate 7 and a fixing member 9, the connecting plate 2 is installed on one side of the Larsen steel sheet pile 1, the connecting plate 2 has a slot 3 with an opening facing away from the Larsen steel sheet pile 1 and a limiting slot 4 located above or below the slot 3, the supporting steel rod 5 has at least three spaced apart along the length direction of the connecting plate 2, one end of the three supporting steel rods 5 is respectively inserted in the slot 3, and the other ends of the three supporting steel rods 5 are respectively provided with a base 6 for supporting on the ground, the displacement plate 7 is slidably installed in the limiting slot 4, and the displacement plate 7 is spaced apart Three first plug rods 8 are provided, one ends of the three first plug rods 8 respectively pass through the connecting plate 2 and are plugged and connected with the parts of the three supporting steel rods 5 located in the slots 3. In the present embodiment, the limit slot 4 is located above the slot 3, the number of the supporting steel rods 5 is three, the number of the first plug rods 8 is the same as the number of the supporting steel rods 5, the fixing member 9 can be a bolt, one end of the fixing member 9 is rotatably connected to the displacement plate 7, the displacement plate 7 has an annular groove, the end of the fixing member 9 extending into the annular groove is connected to a disc, and the disc rotates in the annular groove, and the fixing member 9 can also drive the displacement plate 7 to move while rotating, and the fixing member 9 passes through the connecting plate 2 and is threadedly connected to the connecting plate 2.

[0037] The support structure of the Larsen steel sheet pile provided in this embodiment inserts one end of the supporting steel rod 5 into the slot 3 of the connecting plate 2, and the other end of the supporting steel rod 5 is connected to the bottom surface through the base 6, and then the fixing piece 9 is rotated. The fixing piece 9 is threadedly connected to the connecting plate 2, which can drive the displacement plate 7 to move. The displacement plate 7 simultaneously drives multiple first insertion rods 8 to be inserted into the supporting steel rod 5, thereby completing the installation of the supporting structure. When disassembling, only one fixing piece 9 needs to be rotated, and no other tools are needed. The time consumed is short, which improves the efficiency of disassembly.

[0038] like Figure 1 , Figure 3 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, the slots 3 have a plurality of slots arranged at intervals. In this embodiment, the number of the slots 3 can be three, and the three slots 3 are all rectangular open slots. When one end of the support steel rod 5 is inserted into the slot 3, the inner wall of the slot 3 can contact the support steel rod 5, thereby preliminarily fixing the support steel rod 5. In addition, as an alternative embodiment, the slot 3 can also be a continuous long open slot, and the support steel rod 5 contacts the opening part of the slot 3.

[0039] like Figure 1 , Figure 2 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, the support steel rod 5 includes a rod body 10 and an insert block 11 rotatably arranged on the rod body 10, and the insert block 11 has a slot 12 for plugging and connecting with the first insert rod 8. Specifically, the insert block 11 can be rotatably connected to the rod body 10 through a rotating shaft, and the rotating shaft passes through the insert block 11 and the rod body 10. The insert block 11 is rotatably connected to the rod body 10, so that the rod body 10 can be rotated, which is convenient for adjusting the angle of the rod body 10 according to different terrains, and has a wider range of applications. In addition, as an alternative embodiment, the support steel rod 5 can also be an integrated structure, and the part inserted into the slot 3 is horizontal, and the part used for supporting on the ground is inclined.

[0040] like Figure 1 , Figure 2 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, the base 6 is rotatably arranged on the supporting steel rod 5, and the base 6 can be rotatably connected to the supporting steel rod 5 through a rotating shaft, and the rotating shaft passes through the supporting steel rod 5 and the base 6. The base 6 can be rotated according to the terrain, so as to fully contact the ground, ensure the contact area between the base 6 and the ground, and improve the support stability. In addition, as an alternative embodiment, the base 6 can also be fixedly arranged on the supporting steel rod 5.

[0041] like Figure 1As shown, the support structure of the Larsen steel sheet pile provided in this embodiment also includes: a second plug rod 13, which is inserted on the base 6. One end of the second plug rod 13 used for inserting into the soil is conical. The second plug rod 13 can improve the stability of the connection between the base 6 and the ground, and has a better support effect on the Larsen steel sheet pile 1. In addition, as an alternative embodiment, the second plug rod 13 can also be omitted, and a friction structure can be added to the bottom surface of the base 6 to increase the friction force, thereby improving the stability. The friction structure can be a rubber pad.

[0042] like Figure 1 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, each base 6 has at least two second plug rods 13 symmetrically arranged. In this embodiment, there are two second plug rods 13 on each base 6, and multiple second plug rods 13 can further improve the stability of the connection between the base 6 and the ground. In addition, as an alternative embodiment, only one second plug rod 13 can be provided, located in the middle position of the base 6, and the diameter of the second plug rod 13 is increased to increase the contact area, thereby ensuring the connection stability.

[0043] like Figure 3 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, a limit rod 19 is provided between the top wall and the bottom wall of the limit groove 4, and the displacement plate 7 has a through groove 20 for passing through the limit groove 4. The limit rod 19 can limit the movement of the displacement plate 7 to ensure the normal operation of the displacement plate 7. In addition, as an alternative embodiment, the limit rod 19 can also be omitted, so that the outer side surface of the displacement plate 7 can be abutted against the side wall of the limit groove 4.

[0044] like Figure 3 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, the limit rod 19 is a round rod, and there are at least two round rods symmetrically arranged. In this embodiment, the number of round rods is two, the surface of the round rod is relatively smooth, and the volume is small, and the use effect is better. In addition, as an alternative embodiment, the limit rod 19 can also be a long bar, with one, which can still play a role in limiting the displacement plate 7.

[0045] like Figure 1 , Figure 2 , Figure 5 As shown, the support structure of the Larsen steel sheet pile provided in this embodiment also includes: a support member, which is installed on the support steel rod 5, and the support member has a support surface 14 for supporting the Larsen steel sheet pile 1. The support surface 14 can increase the contact area between the support steel rod 5 and the Larsen steel sheet pile 1, and disperse the pressure of the Larsen steel sheet pile 1, so as to achieve a better use effect. In addition, as an alternative embodiment, the support member can also be omitted, and the contact area can be increased by increasing the diameter of the support steel rod 5.

[0046] like Figure 1 , Figure 2, Figure 5 As shown, in the support structure of the Larsen steel sheet pile provided in this embodiment, the support member includes: a sleeve 15 rotatably mounted on the supporting steel rod 5 and a movable rod 16 slidably mounted in the sleeve 15, one end of the movable rod 16 passes through the sleeve 15 and is provided with a supporting plate 17, and the supporting surface 14 is formed by the outer surface of the supporting plate 17. Specifically, a screw rod 18 is installed inside the sleeve 15, and the movable rod 16 is threadedly connected with the screw rod 18. The movable rod 16 is driven to move horizontally by the rotation of the screw rod 18, and is then supported on the Larsen steel sheet pile 1. An adjusting wheel is provided for rotation outside the sleeve 15, and the adjusting wheel is linked to the screw rod 18 through a gear structure. The movable rod 16 can be moved by rotating the adjusting wheel. In addition, as an alternative embodiment, the support member can also be a square rod, and the square rod is fixedly mounted on the supporting steel rod 5.

[0047] The installation method of the support structure of the Larsen steel sheet pile provided in this embodiment is as follows:

[0048] First, place the Larsen steel sheet pile 1 vertically, then insert the insert block 11 into the slot 3, and at the same time place the base 6 on the ground, and then rotate the fixing part 9, which is threadedly connected to the connecting plate 2, to drive the displacement plate 7 to move, and the displacement plate 7 drives multiple first insert rods 8 to be inserted into the supporting steel rod 5, completing the connection between the supporting steel rod 5 and the Larsen steel sheet pile 1.

[0049] Then, the second insertion rod 13 is inserted into the soil, and the screw rod 18 is rotated at the same time, so that the movable rod 16 drives the support plate 17 to move until it is supported on the Larsen steel sheet pile 1.

[0050] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A Larsen steel sheet pile support structure, characterized in that: include: Larsen Steel Sheet Piles (1); A connecting plate (2) is mounted on the Larsen steel sheet pile (1), wherein the connecting plate (2) comprises a slot (3) with an opening facing away from the Larsen steel sheet pile (1) and a limiting slot (4) located above or below the slot (3); at least three supporting steel rods (5) are arranged at intervals along the length direction of the connecting plate (2), one end of the three supporting steel rods (5) is respectively inserted into the clamping groove (3), and the other end of the three supporting steel rods (5) is respectively provided with a base (6) for supporting on the ground; A displacement plate (7) is slidably mounted in the limiting groove (4), and three first plug rods (8) are arranged at intervals on the displacement plate (7). One end of the three first plug rods (8) respectively passes through the connecting plate (2) and is plug-connected with the parts of the three supporting steel rods (5) located in the slots (3); A fixing member (9), one end of which is rotatably connected to the displacement plate (7), and the fixing member (9) passes through the connecting plate (2) and is threadedly connected to the connecting plate (2).

2. The support structure of Larsen steel sheet pile according to claim 1, characterized in that: The card slots (3) are multiple and are arranged at intervals.

3. The support structure of Larsen steel sheet pile according to claim 1, characterized in that: The supporting steel rod (5) comprises a rod body (10) and an insert block (11) rotatably arranged on the rod body (10), wherein the insert block (11) has a slot (12) for inserting and connecting with the first insert rod (8).

4. The support structure of Larsen steel sheet pile according to claim 3 is characterized in that: The base (6) is rotatably arranged on the supporting steel rod (5).

5. The support structure of Larsen steel sheet pile according to claim 1, characterized in that: Also includes: The second insertion rod (13) is inserted through the base (6), and one end of the second insertion rod (13) used for being inserted into the soil is in a conical shape.

6. The support structure of Larsen steel sheet pile according to claim 5, characterized in that: Each base (6) has at least two second insertion rods (13) symmetrically arranged.

7. The support structure of Larsen steel sheet pile according to claim 1, characterized in that: A limiting rod (19) is arranged between the top wall and the bottom wall of the limiting groove (4), and the displacement plate (7) has a through groove (20) for passing the limiting rod (19).

8. The support structure of Larsen steel sheet pile according to claim 7, characterized in that: The limiting rod (19) is a round rod, and at least two of the round rods are symmetrically arranged.

9. The support structure of Larsen steel sheet pile according to any one of claims 1 to 8, characterized in that: Also includes: A support member is installed on the support steel rod (5), and the support member has a support surface (14) for supporting the Larsen steel sheet pile (1).

10. The support structure of Larsen steel sheet pile according to claim 9, characterized in that: The support member comprises: a sleeve (15) rotatably mounted on the support steel rod (5) and a movable rod (16) slidably mounted in the sleeve (15); one end of the movable rod (16) passes through the sleeve (15) and is provided with a support plate (17); the support surface (14) is formed by the outer surface of the support plate (17).

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