Truss type combined steel sheet pile supporting structure

Abstract

The utility model discloses a truss type combined steel sheet pile supporting structure which comprises a plurality of sets of steel sheet piles, each steel sheet pile is composed of a transverse plate and two sets of inclined plates, connecting assemblies used for connecting the steel sheet piles are arranged at the two ends of the steel sheet piles, and the steel sheet piles are connected together through the connecting assemblies. Through the arrangement of the steel sheet piles, the first trusses and the second trusses, the steel sheet piles are sequentially pressed into the ground along the surface, the area ground formed by the steel sheet piles is excavated, and the first trusses are sequentially hoisted through engineering machinery and fixedly installed on the surface of the slope protection formed by the steel sheet piles; the second truss is lifted and fixedly connected with the first truss through the fixing assembly, so that the slope protection formed by the steel sheet piles is supported, the truss mode is adopted for supporting, the truss is not affected by the span, the combined steel sheet piles are not affected, and the collapse risk is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of truss type combined steel sheet pile supporting structure, and specifically relates to a truss type combined steel sheet pile supporting structure. Background Art

[0002] Steel sheet piles are widely used in building foundation construction, and are often used in building foundation pits, tunnels, slopes, docks, piers, river embankments, bridge pier cofferdams and other fields. Steel sheet piles have the advantages of high strength, light weight, good waterproof performance, strong durability, etc., and are easy to construct quickly, have good interchangeability, can be reused, and have a long service life.

[0003] The Chinese patent with publication number CN219951900U discloses a steel sheet pile support mechanism, which involves two rows of parallel steel sheet piles, which are composed of a web and an inclined plate to form a "U"-shaped structure, and the convex surface and concave surface of each row of the steel sheet piles are arranged in sequence at intervals, including: a steel purlin, which is placed horizontally on the inner side of the steel sheet pile and is arranged closely to the surface thereof, wherein the contact surface between the steel purlin and the steel sheet pile is provided with a convex block, and the surface of the steel sheet pile connected to the steel purlin is provided with a convex frame, and the convex frame is provided with a groove; a supporting steel The utility model discloses a steel pipe, and two ends of the steel pipe are provided with convex edge plates abutting against the steel purlin to provide lateral support force for the steel purlins on both sides; the utility model can quickly limit the steel purlin to the surface of the steel sheet pile through the cooperation of the convex blocks on the steel purlin and the convex frames on the steel sheet piles, and abut the two ends of the supporting steel pipe with the steel purlin to provide lateral support force for the steel sheet piles. The utility model is simple and fast to operate, can adapt to the linear engineering construction of pipelines, play the role of temporary support, and is quick and convenient to install and disassemble, which reduces the difficulty of construction and improves the construction efficiency.

[0004] Although the above-mentioned steel sheet pile support mechanism is quick and convenient to install and disassemble, reducing the construction difficulty, when the span of the foundation pit is large, the center of the steel purlin is very likely to sag. At the same time, the sagging force will pull the steel sheet piles inward, and the steel sheet piles are at risk of collapse. Utility Model Content

[0005] The utility model aims to provide a truss-type combined steel sheet pile support structure to solve the technical defect in the background technology that when the foundation pit span is large, the center of the steel purlin is prone to sag, pulling the steel sheet piles inward, and the steel sheet piles are at risk of collapse.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A truss-type combined steel sheet pile support structure comprises several groups of steel sheet piles, wherein the steel sheet piles are composed of a transverse plate and two groups of inclined plates, both ends of the several groups of steel sheet piles are provided with connecting components for connecting the steel sheet piles, the several groups of steel sheet piles are connected together by the connecting components, the opposite sides of the two groups of steel sheet piles and the surfaces of the transverse plates are respectively fixedly connected with first trusses, and several groups of second trusses are fixedly connected between the two groups of the first trusses.

[0008] As a further solution of the utility model, the connecting assembly includes an arc-shaped opening at one end of the steel sheet pile, a clamping column is fixedly connected to an inner cavity on one side of the arc-shaped opening, a plug-in groove is provided on the surface of the clamping column, the other end of the steel sheet pile is fixedly connected to an arc-shaped plate arranged in an arc shape corresponding to the arc-shaped opening, and a plug-in plate is fixedly connected to one end of the arc-shaped plate.

[0009] As a further solution of the utility model, a plurality of groups of inner cavities are fixedly installed on the surface of one side of the steel sheet pile, and the inner cavities are corresponding to the clamping grooves of the cross bar of the first truss. The surface of the cross bar of the first truss located above is rotatably connected with a clamping block. A clamping interface corresponding to the clamping block is opened on the surface of the steel sheet pile. The clamping block is clamped in the inner cavity of the clamping interface. The top surface of the steel sheet pile is slidably penetrated by a second bolt. The second bolt penetrates the top surface of the steel sheet pile and the clamping block in sequence and is threadedly connected to the steel sheet pile.

[0010] As a further solution of the utility model, both ends of the second truss are fixedly connected with a clamping plate, one end of the clamping plate is clamped with a limiting groove, one end of the two groups of limiting grooves are respectively fixedly connected to the first truss surface on the corresponding side, one side of the limiting groove is slidably connected with a first bolt, one end of the first bolt passes through one side of the limiting groove and the clamping plate in sequence and is threadedly connected to the other side of the limiting groove.

[0011] As a further solution of the utility model, the steel sheet pile has one side of an arc-shaped plate and a corner located on the outer side is arranged in a circular arc angle.

[0012] As a further solution of the utility model, a slide groove is provided in the inner cavity of the steel sheet pile, and the inner cavity of the slide groove is slidably connected with an I-shaped plate.

[0013] Compared with the prior art, the truss type combined steel sheet pile support structure of the utility model has the following beneficial effects:

[0014] 1. The utility model presses the steel sheet piles into the ground in sequence along the surface through the arrangement of the steel sheet piles, the first truss and the second truss, and excavates the ground in the area formed by the steel sheet piles. The first truss is lifted in sequence by engineering machinery and fixedly installed on the surface of the slope protection formed by the steel sheet piles. The second truss is lifted and fixedly connected to the first truss through a fixing assembly, so as to support the slope protection formed by the steel sheet piles. The support is carried out in the form of a truss, and the truss is not affected by the span and will not affect the assembled steel sheet piles, thereby reducing the risk of collapse and facilitating the combination of the trusses according to the length of the foundation pit.

[0015] 2. The utility model presses the I-shaped plate into the slide groove through the setting of the I-shaped plate, and the other end of the I-shaped plate is located in the ground farther away, and the soil near one end of the I-shaped plate fixes the I-shaped plate, and then fixes the steel sheet pile, preventing the risk of collapse of the steel sheet pile, and further improving the stability of the steel sheet pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of a steel sheet pile in an embodiment of the utility model;

[0019] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0020] Reference numerals:

[0021] 100, steel sheet pile; 101, slide groove; 103, I-shaped plate; 200, first truss; 201, second truss; 300, blocking plate; 400, clamping column; 401, plug-in groove; 403, arc-shaped mouth; 404, arc-shaped plate; 405, plug-in plate; 500, clamping interface; 501, clamping groove; 502, first bolt; 503, limit groove; 504, clamping plate; 505, clamping block; 506, second bolt. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0024] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0025] See attached Figure 1-3 As shown, an embodiment of the utility model is a truss-type combined steel sheet pile support structure, comprising a plurality of groups of steel sheet piles 100, wherein the steel sheet piles 100 are composed of a transverse plate and two groups of inclined plates, and connecting components for connecting the steel sheet piles 100 are arranged at both ends of the plurality of groups of steel sheet piles 100, and the plurality of groups of steel sheet piles 100 are connected together by the connecting components, and first trusses 200 are fixedly connected to the surfaces of the transverse plates on opposite sides of the two groups of steel sheet piles 100, and a plurality of second trusses 201 are fixedly connected between the two groups of first trusses 200, and blocking plates 300 are slidably connected to the surfaces of some steel sheet piles 100, and one end of the first truss 200 abuts against the surface of the blocking block.

[0026] By setting the steel sheet piles 100, the first truss 200 and the second truss 201, the steel sheet piles 100 are first pressed into the ground along the surface, and the ground in the area formed by the steel sheet piles 100 is excavated. Then, the first trusses 200 are lifted in sequence by engineering machinery and fixedly installed on the surface of the slope protection formed by the steel sheet piles 100. Then, the second truss 201 is lifted and fixedly connected to the first truss 200 through a fixing assembly, so as to support the slope protection formed by the steel sheet piles 100. The support is carried out in the form of a truss. The truss is not affected by the span and will not affect the assembled steel sheet piles 100, thereby reducing the risk of collapse and facilitating the combination of the trusses according to the length of the foundation pit.

[0027] Furthermore, the connecting component includes an arc-shaped opening 403 opened at one end of the steel sheet pile 100, a clamping column 400 is fixedly connected to the inner cavity on one side of the arc-shaped opening 403, a plug-in groove 401 is opened on the surface of the clamping column 400, and the other end of the steel sheet pile 100 is fixedly connected to an arc-shaped plate 404 arranged in an arc corresponding to the arc-shaped opening 403, and one end of the arc-shaped plate 404 is fixedly connected to a plug-in plate 405.

[0028] By setting the connecting component, the arc plate 404 and the plug-in plate 405 are pressed into the arc mouth 403 and the plug-in groove 401 in turn, thereby improving the connection strength between the steel sheet piles 100, and two groups of plug-in grooves 401 are provided. When the steel sheet pile 100 needs to change direction, at the turning point of the steel sheet pile 100, the corresponding plug-in groove 401 is selected according to the curvature of the turn, and the plug-in plate 405 is inserted into the plug-in groove 401, thereby changing the direction of the steel sheet pile 100 and having a higher connection strength.

[0029] A plurality of groups of inner cavities and engaging grooves 501 corresponding to the cross bars of the first truss 200 are fixedly installed on the surface of one side of the steel sheet pile 100. A engaging block 505 is rotatably connected to the surface of the cross bar of the first truss 200 located above. A engaging interface 500 corresponding to the engaging block 505 is provided on the surface of the steel sheet pile 100. The engaging block 505 is engaged with the inner cavity of the engaging interface 500. A second bolt 506 is slidably penetrated and connected to the top surface of the steel sheet pile 100. The second bolt 506 penetrates the top surface of the steel sheet pile 100 and the engaging block 505 in sequence and is threadedly connected to the steel sheet pile 100. The arrangement of the engaging block 505 and the engaging block 505 facilitates the first truss 200 and the steel sheet pile 100 to be fixedly installed together.

[0030] The two ends of the second truss 201 are fixedly connected with a clamping plate 504, one end of the clamping plate 504 is clamped with the limiting groove 503, one end of the two groups of limiting grooves 503 are respectively fixedly connected to the surface of the first truss 200 on the corresponding side, one side of the limiting groove 503 is slidably connected with a first bolt 502, one end of the first bolt 502 passes through one side of the limiting groove 503 and the clamping plate 504 in sequence and is threadedly connected to the other side of the limiting groove 503.

[0031] By setting the limiting groove 503 and the clamping plate 504, one end of the clamping plate 504 is aligned with the limiting groove 503, and the clamping plate 504 is clamped in the inner cavity of the limiting groove 503, and the first bolt 502 is used to fix the clamping plate 504 and the limiting groove 503 together. The connection steps are very simple, thereby reducing the technical difficulty and facilitating assembly by the staff.

[0032] It is worth mentioning that the steel sheet pile 100 has one side of the arc plate 404 and one corner located on the outside is set at a rounded angle. The setting of one corner of the steel sheet pile 100 at a rounded angle can prevent the steel sheet pile 100 from hitting the surface of another group of steel sheet piles 100 when changing direction.

[0033] The inner cavity of the steel sheet pile 100 is provided with a slide groove 101, and the inner cavity of the slide groove 101 is slidably connected with an I-shaped plate 103. Through the setting of the I-shaped plate 103, the I-shaped plate 103 is pressed into the slide groove 101, and the other end of the I-shaped plate 103 is located in the ground farther away, and the soil near one end of the I-shaped plate 103 fixes the I-shaped plate 103, and then fixes the steel sheet pile 100, preventing the risk of collapse of the steel sheet pile 100, and further improving the stability of the steel sheet pile 100.

[0034] When it is necessary to carry out slope protection at the construction location, first draw lines on the surface according to the construction drawings, use engineering equipment to press the first group of steel sheet piles 100 into the ground, align the arc-shaped plate 404 of the other group of steel sheet piles 100 with the arc-shaped mouth 403 of the first group of steel sheet piles 100 and press it down, and make the plug-in plate 405 on the surface of the second group of steel sheet piles 100 plug into the inner cavity of the clamping groove 501, and then press the steel sheet piles 100 into the ground in sequence according to the drawn markings. When all the steel sheet piles 100 are pressed into the ground, clamp the I-shaped plate 103, and align one end of the I-shaped plate 103 with the slide groove 101 and press it in to further improve the stability of the steel sheet piles 100, and then excavate the rectangular inner cavity formed by the steel sheet piles 100 to make the clamping groove 501 on the surface of the steel sheet piles 100 The groove 501 is completely exposed, and then the first truss 200 is lifted up in sequence by a crane, and the surface of the horizontal plate at the bottom of the first truss 200 is clamped into the inner cavity of the clamping groove 501, and the clamping block 505 on the surface of the cross bar above the first truss 200 is turned over to be clamped into the inner cavity of the clamping interface 500, and the clamping block 505 and the steel sheet pile 100 are fixedly installed together by the second bolt 506, and then the second truss 201 is lifted up in sequence, so that the clamping plates 504 at both ends of the second truss 201 are clamped into the inner cavity of the limiting groove 503 on the surface of the first truss 200, and the limiting groove 503 and the clamping plate 504 are fixedly installed together by the first bolt 502, and then the ground is continued to be excavated until the required depth is reached.

[0035] The embodiment of the utility model adopts a truss for support. The truss is not affected by the span and will not affect the assembled steel sheet piles 100, thereby reducing the risk of collapse. It is also convenient to combine the trusses according to the length of the foundation pit, and press the I-shaped plate 103 into the slide 101. The other end of the I-shaped plate 103 is in the land farther away, and the soil near one end of the I-shaped plate 103 fixes the I-shaped plate 103, and then fixes the steel sheet piles 100, preventing the risk of collapse of the steel sheet piles 100 and further improving the stability of the steel sheet piles 100.

[0036] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A truss-type combined steel sheet pile support structure, comprising a plurality of groups of steel sheet piles (100), characterized in that: The steel sheet piles (100) are composed of a transverse plate and two groups of inclined plates, and connecting components for connecting the steel sheet piles (100) are arranged at both ends of several groups of the steel sheet piles (100). Several groups of the steel sheet piles (100) are connected together through the connecting components. First trusses (200) are fixedly connected to the surfaces of the transverse plates on opposite sides of the two groups of the steel sheet piles (100), and several groups of second trusses (201) are fixedly connected between the two groups of the first trusses (200).

2. A truss type combined steel sheet pile support structure according to claim 1, characterized in that: The connection assembly comprises an arc-shaped opening (403) opened at one end of a steel sheet pile (100), a clamping column (400) is fixedly connected to an inner cavity on one side of the arc-shaped opening (403), a plug-in groove (401) is opened on the surface of the clamping column (400), and an arc-shaped plate (404) arranged in an arc shape corresponding to the arc-shaped opening (403) is fixedly connected to the other end of the steel sheet pile (100), and a plug-in plate (405) is fixedly connected to one end of the arc-shaped plate (404).

3. A truss type combined steel sheet pile support structure according to claim 2, characterized in that: A plurality of groups of inner cavities and engaging grooves (501) are fixedly installed on one side surface of the steel sheet pile (100) and are arranged to correspond to the crossbar of the first truss (200); a engaging block (505) is rotatably connected to the surface of the crossbar located above the first truss (200); a engaging interface (500) corresponding to the engaging block (505) is provided on the surface of the steel sheet pile (100); the engaging block (505) is engaged with the inner cavity of the engaging interface (500); a second bolt (506) is slidably penetrated and connected to the top surface of the steel sheet pile (100); the second bolt (506) penetrates the top surface of the steel sheet pile (100) and the engaging block (505) in sequence and is threadedly connected to the steel sheet pile (100).

4. A truss type composite steel sheet pile support structure according to claim 3, characterized in that: The two ends of the second truss (201) are fixedly connected with a clamping plate (504), one end of the clamping plate (504) is clamped with a limiting groove (503), one end of the two groups of limiting grooves (503) are respectively fixedly connected to the surface of the first truss (200) on the corresponding side, one side of the limiting groove (503) is slidably connected with a first bolt (502), one end of the first bolt (502) passes through one side of the limiting groove (503) and the clamping plate (504) in sequence, and is threadedly connected to the other side of the limiting groove (503).

5. A truss type composite steel sheet pile support structure according to claim 4, characterized in that: The steel sheet pile (100) has one side of an arc-shaped plate (404) and a corner located on the outside is arranged in a circular arc angle.

6. A truss type composite steel sheet pile support structure according to claim 5, characterized in that: The inner cavity of the steel sheet pile (100) is provided with a slide groove (101), and the inner cavity of the slide groove (101) is slidably connected to an I-shaped plate (103).

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