Foundation pit steel sheet pile supporting structure

Abstract

The utility model discloses a foundation pit steel sheet pile supporting structure, belongs to the technical field of foundation pit steel sheet pile supporting structures, and solves the problem that in the prior art, a bracket and a cross beam part are mounted in a separated manner, and the bracket and the cross beam part need to be positioned twice during mounting, so that the construction efficiency is low. The device comprises a steel sheet pile, a bracket arranged on the steel sheet pile, enclosing purlins arranged on the bracket, and a cross beam piece for supporting the oppositely arranged enclosing purlins, wherein a limiting structure is arranged on the bracket in a sliding manner; the cross beam piece comprises a main beam, an auxiliary beam and a fixing structure, wherein the auxiliary beam is in sliding fit with the main beam, is in installation and positioning fit with the limiting structure and supports the enclosing purlin, and the fixing structure is arranged on the main beam and is used for adjusting and fixing the auxiliary beam in a sliding mode. The utility model is used for supporting the foundation pit steel sheet pile.

Description

TECHNICAL FIELD

[0001] A foundation pit steel sheet pile supporting structure for foundation pit steel sheet pile supporting belongs to the technical field of foundation pit steel sheet pile supporting structure. BACKGROUND

[0002] In building engineering, foundation pit supporting is one of the key technologies to ensure the safety of underground structure construction and the stability of the surrounding environment. Steel sheet pile supporting structure is widely used in various foundation pit engineering due to its advantages of fast construction speed, reusability, and both soil retaining and water stopping functions.

[0003] In foundation pit supporting, the surrounding purlin can be supported by a bracket (such as a triangular bracket or a corbel), and the triangular bracket should be connected with the main reinforcement, embedded parts, etc. of the enclosure structure. The connection and reinforcement of the surrounding purlin with the enclosure structure (such as steel sheet pile) by using hanging reinforcement is an effective measure to ensure the stability of the surrounding purlin and prevent it from sliding. Then the horizontal beam member (i.e. a supporting member in the internal supporting system) is supported in cooperation with the oppositely arranged surrounding purlin.

[0004] In the prior art, the horizontal beam is generally arranged on the surrounding purlin between adjacent brackets to support the surrounding purlin on the opposite side. However, the existing technology has the following technical problems:

[0005] Since the installation positions of the bracket and the horizontal beam member have requirements, the bracket and the horizontal beam member are installed separately in the prior art, and the bracket and the horizontal beam member need to be positioned twice, which easily causes the problem of low construction efficiency. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a foundation pit steel sheet pile supporting structure to solve the problem of low construction efficiency caused by the separate installation of the bracket and the horizontal beam member in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] A foundation pit steel sheet pile supporting structure comprises a steel sheet pile, a bracket arranged on the steel sheet pile, a surrounding purlin arranged on the bracket, and a horizontal beam member for supporting the oppositely arranged surrounding purlin, and a limiting structure is slidably arranged on the bracket.

[0009] The horizontal beam member comprises a main beam, a vice beam which is slidably matched with the main beam, is installed and positioned in cooperation with the limiting structure, and supports the surrounding purlin, and a fixing structure arranged on the main beam for sliding adjustment and fixation of the vice beam.

[0010] Further, the bracket comprises an inverted L-shaped frame, the inverted L-shaped frame comprises a U-shaped horizontal plate, a vertical plate connected with the opening end of the U-shaped horizontal plate, and an inclined strut connected with the vertical plate and the U-shaped horizontal plate, and the inclined strut is connected with the opposite side of the sliding groove formed by the U-shaped horizontal plate.

[0011] Further, the limiting structure is a I-shaped sliding block matched with the sliding of the sliding groove.

[0012] Further, the main beam comprises a first main beam and a second main beam, and a connecting rod connecting the first main beam and the second main beam, and a limiting sliding groove matched with the sliding of the auxiliary beam and limiting the rotation of the auxiliary beam is arranged on the first main beam and the second main beam respectively on one side of the limiting structure, and a through hole connected with the limiting sliding groove is arranged on the first main beam and the second main beam respectively on one side of the connecting rod.

[0013] Further, the fixing structure comprises a I-shaped rotating piece arranged on one side of the connecting rod and in contact with the first main beam and the second main beam, a screw rod A and a screw rod B connected with the I-shaped rotating piece and the through hole, and the threads on the screw rod A and the screw rod B are bidirectional threads, and the screw rod A and the screw rod B are matched with the threads on the corresponding side of the auxiliary beam respectively.

[0014] Further, the limiting sliding groove is a T-shaped limiting sliding groove.

[0015] The auxiliary beam is a I-shaped beam matched with the sliding of the T-shaped limiting sliding groove and located on one side of the I-shaped sliding block, and a groove matched with the I-shaped sliding block and having an opening at the bottom and one side of the surrounding purlin is arranged on the I-shaped beam.

[0016] Further, the first main beam and the second main beam are provided with a stress rod placed on the surrounding purlin.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] Firstly, the limiting structure is arranged on the bracket, the cross beam is installed and positioned, the fixing structure is adjusted to adjust the auxiliary beam to slide out of or into the main beam to cooperate with the limiting structure on the bracket to realize the installation of the bracket and the cross beam, the installation and positioning times are reduced, the construction efficiency is improved, and the limiting structure can protect the surrounding purlin hoisted on the bracket from sliding off;

[0019] Secondly, the bracket comprises a U-shaped horizontal plate, a vertical plate and a diagonal brace, and the diagonal brace is connected with the opposite side of the sliding groove formed by the U-shaped horizontal plate, the structure is simple, and the sliding of the limiting structure is facilitated;

[0020] Thirdly, the limiting structure is a I-shaped sliding block matched with the sliding of the sliding groove, can be limited by the sliding groove, and can protect the surrounding purlin hoisted on the bracket from sliding off by cooperating with the sliding of the sliding groove, the cross beam is positioned and installed, and the cross beam can support the surrounding purlin after cooperating with the I-shaped sliding block;

[0021] Four, the main beam in the utility model includes through connecting rod, first main beam and second main beam, and sets up spacing slide groove and through hole on first main beam and second main beam, and the fixed structure can be rotated with main beam, and can be slid out or slid into main beam to increase or shorten the length of cross beam, so that the vice beam can be closely contacted with the surrounding purlin after being matched with the spacing structure, and can effectively support the surrounding purlin;

[0022] Five, the fixed structure in the utility model is limited by the I-shaped rotating piece, to prevent it from sliding to the first main beam or the second main beam, and the through hole corresponding to screw rod A and screw rod B is rotated and matched by rotating the I-shaped rotating piece, and the corresponding vice beam thread is matched to drive the vice beam on both sides to slide and match, so that the two vice beams are far away or close to each other to meet the closely contacted with the surrounding purlin after being matched with the spacing structure to support the surrounding purlin;

[0023] Six, the spacing slide groove in the utility model is T-shaped spacing slide groove, and the vice beam is I-shaped beam matched with the T-shaped spacing slide groove, to prevent the vice beam from rotating synchronously when screw rod A and screw rod B are matched with the corresponding vice beam thread, and to prevent the vice beam from sliding away from the main beam;

[0024] Seven, the stress rod is arranged on the first main beam and the second main beam in the utility model, to facilitate the stress on the surrounding purlin through the main beam, and to facilitate the adjustment of the vice beam sliding out and sliding into the main beam through the fixed structure, and to effectively avoid the inconvenience caused by the adjustment before hoisting. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and other related drawings can be obtained by the drawings without creative labor for the ordinary skilled in the art.

[0026] Figure 1 The structure diagram of the bracket, the surrounding purlin, the spacing structure and the cross beam in the utility model is matched;

[0027] Figure 2 The structure diagram of the bracket, the spacing structure and the cross beam in the utility model is matched;

[0028] Figure 3 The expansion structure diagram of Figure 2 The expansion structure diagram of

[0029] Figure 4 The sectional view of the main beam in the utility model;

[0030] Figure 5 is a structural schematic view of the fixed structure in the utility model;

[0031] Figure 6 is a structural schematic view of the vice beam in the utility model;

[0032] Figure 7 is a structural schematic view of the bracket and the limiting structure in the utility model;

[0033] Figure 8 is a structural schematic view of the bracket in the utility model;

[0034] In the drawing: 1-bracket, 2-surrounding purlin, 3-crossbeam piece, 4-limiting structure, 5-main beam, 6-vice beam, 7-fixed structure, 8-inverted L frame, 9-U-shaped transverse plate, 10-vertical plate, 11-inclined strut, 12-sliding groove, 13-first main beam, 14-second main beam, 15-connecting rod, 16-limiting sliding groove, 17-through hole, 18-I-shaped rotating piece, 19-screw A, 20-screw B, 21-groove, 22-force bar. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0037] In the description of the utility model, it needs to be explained that if the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship when the utility model product is usually placed, it is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0038] In addition, if the terms "first", "second", "third" and the like appear, they are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0039] In addition, if the terms "horizontal", "vertical", "suspended" and the like appear, it does not mean that the component must be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0040] In the description of the present application, it should be explained that, unless otherwise specified and limited, if the terms "set", "install", "connect", "connect" and the like appear, they should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0042] Embodiment 1

[0043] In order to solve the problem of low construction efficiency caused by the separation installation of the bracket and the beam in the prior art, the bracket and the beam need to be positioned twice, thereby Figures 1-8 As shown in the figure, a foundation pit steel sheet pile support structure is provided, which comprises a steel sheet pile, a bracket 1 arranged on the steel sheet pile, a surrounding purlin 2 arranged on the bracket 1, and a beam 3 supporting the oppositely arranged surrounding purlin 2, and a limiting structure 4 is arranged on the bracket 1; the beam 3 comprises a main beam 5, a vice beam 6 which is in sliding cooperation with the main beam 5, is installed and positioned in cooperation with the limiting structure and supports the surrounding purlin 2, and a fixing structure 7 arranged on the main beam 5 for sliding adjustment and fixation of the vice beam 6.

[0044] In practice, when foundation pit support is needed, steel sheet piles are first driven around the foundation pit, then positioned, the bracket 1 with the limiting structure 4 is installed on the steel sheet piles, after installation, the limiting structure is adjusted to the opposite side of the steel sheet piles, then the enclosing purlin 2 is hoisted and arranged on the steel sheet piles, then the cross beam member 3 is hoisted (before hoisting, the spacing of the oppositely arranged enclosing purlins 2 can be used to adjust the sub-beam 6 to slide out of or into the main beam through the fixing structure to meet the spacing requirement of supporting the enclosing purlin; or during hoisting or after hoisting (after hoisting refers to the case that the cross beam member has been hoisted and placed on the bracket), the sub-beam 6 is directly adjusted to slide out of or into the main beam through the fixing structure to meet the spacing requirement of supporting the enclosing purlin), and the cross beam member 3 is in close contact with the enclosing purlin 2 to support the enclosing purlin 2. In this embodiment, the limiting structure is arranged on the bracket, and the cross beam member is installed and positioned, so that the bracket and the cross beam member are correspondingly installed by adjusting the fixing structure to adjust the sub-beam to slide out of or into the main beam to cooperate with the limiting structure on the bracket, which can effectively avoid the installation of all or part of the cross beam members and the bracket separately, reduce the number of installation and positioning, effectively improve the construction efficiency, and the arrangement of the limiting structure can protect the enclosing purlin hoisted on the bracket from falling.

[0045] Embodiment 2

[0046] On the basis of embodiment 1, the bracket 1 comprises an inverted L-shaped frame 8, the inverted L-shaped frame 8 comprises a U-shaped horizontal plate 9, a vertical plate 10 connected to the opening end of the U-shaped horizontal plate 9, and an inclined strut 11 connected to the vertical plate 10 and the U-shaped horizontal plate 9, the inclined strut 11 being connected to the opposite side of a sliding groove 12 formed by the U-shaped horizontal plate 9.

[0047] In practice, the vertical plate can be connected to the steel sheet pile, the bracket comprises a U-shaped horizontal plate, a vertical plate and an inclined strut, and the opposite side of the sliding groove formed by the inclined strut and the U-shaped horizontal plate is connected, which is simple in structure and conducive to the sliding arrangement of the limiting structure.

[0048] The limiting structure 4 is a I-shaped sliding block that cooperates with the sliding groove 12. The limiting structure is a I-shaped sliding block that cooperates with the sliding groove, can be limited by the sliding groove, and cooperates with the sliding groove to protect the enclosing purlin hoisted on the bracket from falling, which is conducive to the positioning and installation of the cross beam member, so that the cross beam member can support the enclosing purlin after cooperating with the I-shaped sliding block.

[0049] Before hoisting the enclosing purlin, the I-shaped sliding block is adjusted to slide onto the U-shaped horizontal plate corresponding to the sliding groove 12 at the opposite end of the vertical plate 10, then the enclosing purlin is hoisted, after hoisting, the enclosing purlin 2 is protected from falling by the I-shaped sliding block, so that the cross beam member cooperates with the I-shaped sliding block to limit the cross beam member, and the length or the short of the cross beam member is adjusted to support the enclosing purlin 2 under the limiting action, or after adjusting the length or the short of the cross beam member, the cross beam member is limited by cooperating with the I-shaped sliding block, then the length or the short of the cross beam member is adjusted or not adjusted to support the enclosing purlin 2 after limiting.

[0050] Embodiment 3

[0051] On the basis of embodiment 2, the main beam 5 comprises a first main beam 13 and a second main beam 14, and a connecting rod 15 connecting the first main beam 13 and the second main beam 14, located on one side of the limiting structure 4, the first main beam 13 and the second main beam 14 are respectively provided with a limiting sliding groove 16 matched with the sliding of the secondary beam 6 and limiting the rotation of the secondary beam 6, and the first main beam 13 and the second main beam 14 on one side of the connecting rod 15 are respectively provided with a through hole 17 connected with the limiting sliding groove 16. The main beam comprises a connecting rod, a first main beam and a second main beam, and limiting sliding grooves and through holes are arranged on the first main beam and the second main beam, so that the fixing structure can be matched with the rotation of the main beam, and the length of the current cross beam can be adjusted by sliding the secondary beam out of or into the main beam to increase or shorten the length of the cross beam, so that the secondary beam can be in close contact with the enclosing purlin after being matched with the limiting structure, and can effectively support the enclosing purlin.

[0052] The fixing structure 7 comprises a I-shaped rotating piece 18 arranged on one side of the connecting rod 15 and in contact with the first main beam 13 and the second main beam 14, a screw rod A 19 and a screw rod B 20 connected with the I-shaped rotating piece 18 and rotatably connected with the through hole 17, the threads on the screw rod A 19 and the screw rod B 20 are bidirectional threads, and the screw rod A 19 and the screw rod B 20 are respectively matched with the threads of the corresponding secondary beam 6. The I-shaped rotating piece is used to limit the fixing structure to prevent it from sliding to one side of the first main beam or the second main beam, and the I-shaped rotating piece is used to drive the corresponding through holes of the screw rod A and the screw rod B to rotate and match with the corresponding secondary beam threads to drive the secondary beams on both sides to slide and match with the limiting sliding grooves, so that the two secondary beams can be away from or close to each other to meet the close contact with the enclosing purlin after being matched with the limiting structure to support the enclosing purlin.

[0053] The limiting sliding groove 16 is a T-shaped limiting sliding groove, and the secondary beam 6 is a I-shaped beam matched with the sliding of the T-shaped limiting sliding groove, located on one side of the I-shaped sliding block, and the I-shaped beam is provided with a groove 21 matched with the I-shaped sliding block and having an opening at the bottom and one side of the enclosing purlin 2. The limiting sliding groove is a T-shaped limiting sliding groove, and the secondary beam is a I-shaped beam matched with the sliding of the T-shaped limiting sliding groove, which is to prevent the secondary beam from rotating synchronously when the screw rod A and the screw rod B are matched with the threads of the corresponding secondary beam, and to prevent the secondary beam from sliding out of the main beam.

[0054] In practice, the I-shaped rotating member 18 drives the screw A 19 and the screw B 20 to rotate in cooperation with the through holes on the first main beam 13 and the second main beam 14, and at the same time, the screw thread cooperates with the corresponding side auxiliary beam 6. The auxiliary beam 6 is limited by the rotation of the limiting sliding groove. When the screw A 19 and the screw B 20 rotate, the two auxiliary beams 6 slide into or out of the limiting sliding groove, and cooperate with the I-shaped sliding block through the groove, so as to position and install the cross beam member. This method not only eliminates the need for secondary measurement and positioning of the cross beam member, but also adjusts the close contact between the cross beam member and the surrounding purlin 2, avoiding the situation that the cross beam member cannot be closely contacted and supported through the connection member, which cannot effectively support the effect.

[0055] Embodiment 4

[0056] On the basis of embodiment 3, the first main beam 13 and the second main beam 14 are provided with a stress rod 22 placed on the surrounding purlin 2. It is convenient to place the stress on the main beam on the surrounding purlin, which is beneficial to the hoisting of the auxiliary beam out of and into the main beam through the fixing structure, and can effectively avoid the inconvenience caused by the adjustment before hoisting.

Claims

1. A foundation pit steel sheet pile support structure comprising steel sheet piles, a bracket (1) provided on the steel sheet piles, a surrounding purlin (2) provided on the bracket (1), and a cross beam member (3) supporting the oppositely provided surrounding purlins (2), characterized in that: A limiting structure (4) is slidably arranged on the bracket (1); The cross beam member (3) comprises a main beam (5), a sub-beam (6) which is in sliding cooperation with the main beam (5), is installed and positioned in cooperation with the limiting structure and supports the surrounding purlin (2), and a fixing structure (7) which is arranged on the main beam (5) and is used for slidingly adjusting and fixing the sub-beam (6).

2. The foundation pit steel sheet pile support structure according to claim 1, characterized in that: The bracket (1) comprises an inverted L-shaped frame (8), the inverted L-shaped frame (8) comprises a U-shaped transverse plate (9), a vertical plate (10) which is connected to an open end of the U-shaped transverse plate (9), and an inclined strut (11) which is connected to the vertical plate (10) and the U-shaped transverse plate (9), the inclined strut (11) being connected to opposite sides of a sliding groove (12) formed by the U-shaped transverse plate (9).

3. The foundation pit steel sheet pile support structure according to claim 2, characterized in that: The limiting structure (4) is a I-shaped sliding block which is in sliding cooperation with the sliding groove (12).

4. The foundation pit steel sheet pile support structure according to claim 3, characterized in that: The main beam (5) comprises a first main beam (13) and a second main beam (14), and a connecting rod (15) which connects the first main beam (13) and the second main beam (14), the first main beam (13) and the second main beam (14) are arranged on one side of the limiting structure (4), and a limiting sliding groove (16) which is in sliding cooperation with the sub-beam (6) and limits rotation of the sub-beam (6) is arranged on each of the first main beam (13) and the second main beam (14), a through hole (17) which is connected to the limiting sliding groove (16) is arranged on the first main beam (13) and the second main beam (14) on one side of the connecting rod (15).

5. A sheet-pile wall structure according to claim 4, wherein: The fixing structure (7) comprises a I-shaped rotating member (18) which is arranged on one side of the connecting rod (15) and is in contact with the first main beam (13) and the second main beam (14), a screw A (19) and a screw B (20) which are connected to the I-shaped rotating member (18) and are in rotational connection with the through hole (17), threads on the screw A (19) and the screw B (20) are bidirectional threads, and the screw A (19) and the screw B (20) are in threaded cooperation with the sub-beam (6) on the corresponding side, respectively.

6. A sheet-pile wall structure according to claim 5, wherein: The limiting sliding groove (16) is a T-shaped limiting sliding groove. The sub-beam (6) is a I-shaped beam which is in sliding cooperation with the T-shaped limiting sliding groove, is arranged on one side of the I-shaped sliding block, and is provided with a groove (21) which is in cooperation with the I-shaped sliding block and is open at a bottom and one side of the surrounding purlin (2).

7. The retaining structure according to claim 4, wherein: The first main beam (13) and the second main beam (14) are provided with a stress rod (22) which is arranged on the surrounding purlin (2).

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