Larsen steel sheet pile supporting structure

Abstract

The utility model discloses a Larsen steel sheet pile supporting structure which comprises an abutting seat and transverse purlin plates, the transverse purlin plates are symmetrically arranged on the outer side of the abutting seat, I-shaped steel is movably connected into the transverse purlin plates, a positioning groove is formed in the inner wall of the outer side of the I-shaped steel in a digging mode, a connecting supporting plate is arranged on one side of the inner wall of the positioning groove, and the connecting supporting plate is connected with the abutting seat. A supporting anchor rod is fixed to the interior of the abutting seat in a penetrating mode, the strength of the abutting seat can be improved, the situation that the abutting seat is bent and deformed is avoided, the abutting seat is matched with the transverse purlin plate, the supporting strength can be improved, the situation that a tensile steel plate is deformed after assembly is supported at a single position is avoided, and the tensile strength is improved. According to the technical scheme, workers do not need to carry inclined corner supporting pieces on a construction site for welding and assembly, the working efficiency is greatly improved, compared with the mode that a supporting structure is supported singly through brackets, the stability of the whole supporting structure can be further improved, and the situation that the ox horn is broken due to the fact that the ox horn bears too large weight is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a Larsen steel sheet pile support structure. 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, earth retaining walls, and revetments at docks and unloading yards, playing an important role in engineering projects.

[0003] In the prior art, it is necessary to weld and fix the corbels to the surface of the Larsen steel sheet piles to form the basis of the internal support of the Larsen steel sheet piles. Application No. 202220475005.X discloses a Larsen steel sheet pile support structure, which includes a plurality of hooks and corbels connected to the hooks; the hooks are used to be inserted into the top edges of the Larsen steel sheet piles; the corbels are used for connection with steel purlins; the above-mentioned device can only abut and support the protruding inclined plates of the Larsen steel plates, and the comprehensiveness of the support protection is greatly reduced. The inclined supports arranged at the corners of the Larsen steel plates are fixed, and the welding operation of the inclined supports requires the staff to carry and assemble them, which is time-consuming and labor-intensive. In addition, relying solely on the corbels to support the large support frame will greatly reduce the stability of the support.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a Larsen steel sheet pile support structure to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A Larsen steel sheet pile support structure comprises an abutment seat and a purlin plate, wherein the purlin plate is symmetrically arranged on the outside of the abutment seat, an I-shaped steel is movably connected inside the purlin plate, a positioning groove is dug on the inner wall outside the I-shaped steel, a connecting support plate is provided on one side of the inner wall of the positioning groove, a through hole is penetrated inside the abutment seat, and a supporting anchor rod is fixed inside the through hole.

[0008] Preferably, threaded holes are equidistantly provided on both sides of the top of the purlin plate, connecting plates are symmetrically connected to the outer side of the abutment seat, and reinforcing rib plates are equidistantly fixed on the top of the connecting plates.

[0009] Preferably, connecting bolts are equidistantly provided on the connecting plate, and the connecting bolts are all located on one side of the reinforcing rib plate. The connecting bolts respectively pass through the bottom side of the connecting plate and are threadedly connected with the threaded holes.

[0010] Preferably, the connecting support plate includes a first movable plate and a second movable plate, the second movable plate is arranged on the outside of the first movable plate, the top and bottom of the first movable plate are respectively fixedly connected with connecting shafts, and the outer end of the connecting shaft is movably connected to the inner wall of the positioning groove up and down.

[0011] Preferably, the outer side of the first movable plate is symmetrically connected with connecting blocks, the connecting blocks are connected with adjusting shafts through bearings, the outer wall of the adjusting shaft is embedded with a trapezoidal seat, the outer side of the trapezoidal seat is fixedly connected to the second movable plate, and the second movable plate is movably engaged with the inside of the I-shaped steel.

[0012] Preferably, the support anchor comprises an internal threaded tube and an external threaded rod, the internal threaded tube and the external threaded rod are thread-adjustable in matching manner, and the internal threaded tube passes through the inner cavity of the fixing and abutting seat.

[0013] Preferably, a fixing column is fixedly connected to the bottom end of the external threaded rod, and a positioning cone head is fixedly connected to the bottom side of the fixing column.

[0014] The beneficial effects of the utility model are as follows: the strength of the abutment seat can be improved to avoid bending and deformation of the abutment seat; the abutment seat cooperates with the purlin plate to improve the strength of the support and avoid deformation of the tensile steel plate after assembly of the single position support; there is no need for workers to carry the inclined corner support parts for welding assembly at the construction site, which greatly improves work efficiency; compared with the use of a single corbel to support the support structure, the stability of the overall support structure can be further improved to avoid the situation where the corbel horns are overloaded and break. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of a Larsen steel sheet pile support structure according to an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the appearance structure of an abutment seat of a Larsen steel sheet pile support structure according to an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the appearance structure of a connection support plate of a Larsen steel sheet pile support structure according to an embodiment of the utility model;

[0019] Figure 4It is a schematic diagram of the cross-sectional structure of a supporting anchor rod of a Larsen steel sheet pile supporting structure according to an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Abutment seat; 2. Purlin plate; 3. Through hole; 4. I-shaped steel; 5. Positioning groove; 6. Connecting support plate; 7. Support anchor rod; 8. Threaded hole; 9. Connecting plate; 10. Reinforcement rib plate; 11. Connecting bolt; 12. First movable plate; 13. Second movable plate; 14. Connecting shaft; 15. Connecting block; 16. Adjusting shaft; 17. Trapezoidal seat; 18. Internally threaded pipe; 19. Externally threaded rod; 20. Fixed column; 21. Positioning cone head. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a Larsen steel sheet pile supporting structure is provided.

[0024] Embodiment 1

[0025] like Figure 1-4 As shown, a Larsen steel sheet pile supporting structure according to an embodiment of the utility model comprises an abutment seat 1 and a purlin plate 2. The purlin plate 2 is symmetrically arranged on the outside of the abutment seat 1. An I-shaped steel 4 is movably connected inside the purlin plate 2. A positioning groove 5 is dug on the inner wall of the outer side of the I-shaped steel 4. A connecting support plate 6 is provided on one side of the inner wall of the positioning groove 5. A supporting anchor rod 7 is fixed through the inside of the abutment seat 1. Threaded holes 8 are equidistantly penetrated on both sides of the top of the purlin plate 2. A connecting plate 9 is symmetrically connected to the outside of the abutment seat 1. A reinforcing rib plate 10 is equidistantly fixed on the top of the connecting plate 9. Connecting bolts 11 are equidistantly penetrated on the connecting plate 9. The connecting bolts 11 are all located at the reinforcing ribs. On one side of the reinforcing rib plate 10, the connecting bolts 11 respectively penetrate the bottom side of the connecting plate 9 and are threadedly connected with the threaded holes 8. When the purlin plate 2 is installed and fixed on the corbel, a suitable number of abutment seats 1 can be threadedly connected and fixed on the inner side thereof by the connecting bolts 11, so that the abutment seats 1 can be abutted and supported in the groove space of the tensile steel plate. The reinforcing rib plates 10 are equidistantly arranged on the connecting plate 9 outside the abutment seat 1, which can improve the strength of the abutment seat 1 and avoid bending and deformation of the abutment seat 1. The abutment seat 1 cooperates with the purlin plate 2 to improve the strength of the support and avoid deformation of the tensile steel plate after the single position support is assembled.

[0026] Embodiment 2

[0027] like Figure 1-4 As shown, a Larsen steel sheet pile supporting structure according to an embodiment of the utility model comprises an abutment seat 1 and a purlin plate 2. The purlin plate 2 is symmetrically arranged on the outside of the abutment seat 1. An I-shaped steel 4 is movably connected inside the purlin plate 2. A positioning groove 5 is dug on the inner wall of the outer side of the I-shaped steel 4. A connecting support plate 6 is arranged on one side of the inner wall of the positioning groove 5. A supporting anchor rod 7 is fixed through the inside of the abutment seat 1. The connecting support plate 6 comprises a first movable plate 12 and a second movable plate 13. The second movable plate 13 is arranged on the outside of the first movable plate 12. A connecting shaft 14 is fixedly connected to the top and bottom of the first movable plate 12 respectively. The outer end of the connecting shaft 14 is movably connected to the inner wall of the positioning groove 5 up and down. A connecting block 15 is symmetrically connected to the outside of the first movable plate 12. An adjusting shaft 16 is connected between the connecting blocks 15 through a bearing. A trapezoidal seat 17 is embedded and fixed on the outer wall of the adjusting shaft 16. The two movable plates 13 are fixedly connected, and the second movable plate 13 is movably engaged with the inside of the I-shaped steel 4. According to the excessive length of one side of the stretched steel plate, the first movable plate 12 can be engaged with the positioning groove 5 on the outside of the I-shaped steel 4, and then the trapezoidal seat 17 is adjusted to embed the second movable plate 13 into the positioning groove 5 of another I-shaped steel 4, and then the second movable plate 13 is welded and fixed to the other docking I-shaped steel 4, so that the supporting structure of multiple purlin plates 2 can be quickly spliced, and at the corner position of the splicing, the first movable plate 12 can be pulled outward at a suitable angle, so that the second movable plate 13 can be in the positioning groove 5 on the outside of the bent I-shaped steel 4, and then the first movable plate 12 and the second movable plate 13 are respectively welded and fixed, and there is no need for staff to carry the inclined corner support parts for welding assembly at the construction site, which greatly improves work efficiency.

[0028] Embodiment 3

[0029] like Figure 1-4As shown, a Larsen steel sheet pile support structure according to an embodiment of the utility model includes an abutment seat 1 and a purlin plate 2. The purlin plate 2 is symmetrically arranged on the outside of the abutment seat 1. The purlin plate 2 is movably connected with an I-shaped steel 4 inside the purlin plate 2. A positioning groove 5 is dug on the inner wall of the outer side of the I-shaped steel 4. A connecting support plate 6 is provided on one side of the inner wall of the positioning groove 5. A support anchor rod 7 is fixed through the inside of the abutment seat 1. The support anchor rod 7 includes an internal threaded tube 18 and an external threaded rod 19. The internal threaded tube 18 and the external threaded rod 19 are matched with threads for adjustment. The internal threaded tube 18 is fixed through the inner cavity of the abutment seat 1. In the embodiment, a fixing column 20 is fixedly connected to the bottom end of the external threaded rod 19, a positioning cone head 21 is fixedly connected to the bottom side of the fixing column 20, an internal threaded tube 18 is fixed through the wall cavity of the abutment seat 1, and the external threaded rod 19 is screwed and extended downward according to the distance of the abutment seat 1 from the ground, so that the positioning cone head 21 connected to the fixing column 20 at the bottom end of the external threaded rod 19 is inserted into the ground, which can support and fix the abutment seat 1. Compared with the use of a single corbel to support the support structure, the stability of the overall support structure can be further improved to avoid the situation where the corbel horns are overloaded and break.

[0030] In summary, with the aid of the above-mentioned technical solution of the utility model, when the device is in use, when the purlin plate 2 is installed and fixed on the corbel, a suitable number of abutment seats 1 can be fixed by threading the inner side thereof with the connecting bolts 11, so that the abutment seats 1 can be abutted and supported in the groove space of the stretched steel plate, and reinforcing rib plates 10 are equidistantly arranged on the connecting plate 9 on the outer side of the abutment seat 1, which can improve the strength of the abutment seat 1, and the abutment seat 1 cooperates with the purlin plate 2 to improve the strength of the support. If the length of a single side of the stretched steel plate is too large, the first movable plate 12 can be embedded in the positioning groove 5 on the outer side of the I-shaped steel 4, and then the trapezoidal seat 17 can be adjusted to embed the second movable plate 13 into the positioning groove of another I-shaped steel 4 5, and then the second movable plate 13 is welded and fixed to another docking I-shaped steel 4, so that the supporting structures of multiple purlin plates 2 can be quickly spliced, and at the corner position of the splicing, the first movable plate 12 can be pulled outward at a suitable angle, so that the second movable plate 13 can be in the positioning groove 5 on the outside of the bent I-shaped steel 4, and then the first movable plate 12 and the second movable plate 13 are welded and fixed respectively, an internal threaded tube 18 is fixed through the wall cavity of the abutment seat 1, and the external threaded rod 19 is screwed and extended downward according to the distance of the abutment seat 1 from the ground, so that the positioning cone head 21 connected to the fixing column 20 at the bottom end of the external threaded rod 19 is inserted into the ground, which can support and fix the abutment seat 1.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A Larsen steel sheet pile support structure, comprising an abutment seat (1) and a purlin plate (2), characterized in that: The purlin plate (2) is symmetrically arranged on the outside of the abutment seat (1); an I-shaped steel (4) is movably connected inside the purlin plate (2); a positioning groove (5) is dug on the inner wall of the outer side of the I-shaped steel (4); a connecting support plate (6) is provided on one side of the inner wall of the positioning groove (5); a through hole (3) is penetrated inside the abutment seat (1); a supporting anchor rod (7) is fixed inside the through hole (3).

2. A Larsen steel sheet pile support structure according to claim 1, characterized in that: Threaded holes (8) are equidistantly provided on both sides of the top of the purlin plate (2), a connecting plate (9) is symmetrically connected to the outside of the abutment seat (1), and reinforcing rib plates (10) are equidistantly fixed to the top of the connecting plate (9).

3. A Larsen steel sheet pile support structure according to claim 2, characterized in that: The connecting plate (9) is provided with connecting bolts (11) at equal intervals, the connecting bolts (11) are all located on one side of the reinforcing rib plate (10), the connecting bolts (11) respectively penetrate the bottom side of the connecting plate (9) and are threadedly connected to the threaded holes (8).

4. A Larsen steel sheet pile support structure according to claim 3, characterized in that: The connecting support plate (6) comprises a first movable plate (12) and a second movable plate (13), wherein the second movable plate (13) is arranged outside the first movable plate (12), and the top and bottom of the first movable plate (12) are respectively fixedly connected with connecting shafts (14), and the outer ends of the connecting shafts (14) are movably connected to the inner wall of the positioning groove (5) in an upper and lower manner.

5. A Larsen steel sheet pile support structure according to claim 4, characterized in that: The first movable plate (12) is symmetrically connected to a connecting block (15) on the outside, an adjusting shaft (16) is connected between the connecting blocks (15) via a bearing, a trapezoidal seat (17) is embedded and fixed on the outer wall of the adjusting shaft (16), the outer side of the trapezoidal seat (17) is fixedly connected to the second movable plate (13), and the second movable plate (13) is movably engaged with the inside of the I-shaped steel (4).

6. The Larsen steel sheet pile support structure according to claim 5, characterized in that: The support anchor rod (7) comprises an internal threaded tube (18) and an external threaded rod (19), the internal threaded tube (18) and the external threaded rod (19) are thread-adjustable in matching manner, and the internal threaded tube (18) passes through the inner cavity of the fixing and abutting seat (1).

7. The Larsen steel sheet pile support structure according to claim 6, characterized in that: A fixing column (20) is fixedly connected to the bottom end of the externally threaded rod (19), and a positioning cone head (21) is fixedly connected to the bottom side of the fixing column (20).

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