Foundation pit supporting system

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to a foundation pit supporting system which comprises a plurality of supporting protection plates and a plurality of I-shaped assembling columns which are distributed on the periphery of the inner side of a foundation pit at intervals, every two adjacent supporting protection plates are connected through the corresponding I-shaped assembling columns to form a frame structure, and inclined supporting mechanisms are installed on the inner sides of the I-shaped assembling columns. A fastening rod is arranged on the inclined supporting mechanism, the I-shaped assembling columns and the supporting protection plates which are arranged at intervals are assembled to form a supporting frame body structure of the foundation pit, effective supporting of the I-shaped assembling columns is achieved through the adjustable inclined supporting mechanism, so that the strength and stability of a foundation pit supporting system are improved, the disassembly and assembly difficulty of the foundation pit supporting system is reduced, and the construction efficiency is improved. The problems that in the prior art, a foundation pit supporting system is complex in structure and large in disassembly and assembly difficulty, the construction efficiency of a foundation pit cannot be guaranteed, the construction progress is likely to be affected, the supporting force cannot be adjusted according to the actual situation, supporting work on a supporting plate cannot be kept all the time, and stability is insufficient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit support technical field, concretely relates to a foundation pit support system. BACKGROUND

[0002] In the design and construction of building foundation pit support, common support types are (composite) soil nailing support, pile (wall) anchor support, pile (wall) support support, and the combination of two or more support types. At present, the foundation pit support of most engineering projects adopts the above support types. In recent years, with the acceleration of urban construction process, the number of buildings in the city increases sharply, and the building density is higher and higher. Many buildings are built near existing buildings, so many problems have been caused while making full use of land. Measures should be taken in construction to prevent damage to pipelines, collapse and serious accidents caused by excavation.

[0003] The Chinese patent with publication number CN217078766U discloses a foundation pit support structure and a foundation pit support assembly, which comprises a support plate, a connecting seat and a support assembly are arranged on the outer surface of one side of the support plate, the support assembly comprises a first support rod and a second support rod, a lead screw is installed in the first support rod and the second support rod, the length of the support assembly can be adjusted according to the width of the foundation pit by arranging the support assembly, the effect of the support plate on the foundation pit support is better, and the connecting seat, the column, the movable slot, the fixing bolt, the threaded hole, the through hole, the bottom plate, the bolt and the mounting hole are arranged, which not only supports the support plates on the four sides of the foundation pit through the column, but also prevents the bottom of the foundation pit from rising.

[0004] The foundation pit support system has a complex structure, is difficult to disassemble and assemble, is time-consuming and labor-consuming, cannot guarantee the construction efficiency of the foundation pit, is easy to affect the construction progress, cannot adjust the supporting force according to the actual situation, cannot always maintain the supporting work on the support plate, and has poor stability. SUMMARY

[0005] The utility model aims at providing a foundation pit support system, which overcomes the problems in the prior art that the foundation pit support system has a complex structure, is difficult to disassemble and assemble, is time-consuming and labor-consuming, cannot guarantee the construction efficiency of the foundation pit, is easy to affect the construction progress, cannot adjust the supporting force according to the actual situation, cannot always maintain the supporting work on the support plate, and has poor stability.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] The utility model designs a kind of foundation pit support system, and the support frame structure of foundation pit is assembled by the spacing I-shaped assembly column and support protection board between each other, and the effective support work of I-shaped assembly column is realized by adjustable inclined strut mechanism, to improve the strength and stability of foundation pit support system, greatly reduce its dismounting difficulty, ensure its construction efficiency.The specific scheme is as follows:

[0008] A kind of foundation pit support system, including the support protection board and multiple I-shaped assembly columns of spacing distribution in the inside four sides of foundation pit, the frame structure is connected by the I-shaped assembly column between the two adjacent support protection boards, the inclined strut mechanism is installed in the inside of I-shaped assembly column, and fastening rod is arranged on the inclined strut mechanism.

[0009] Preferably, the first installation groove is arranged on the both sides of the I-shaped assembly column, and the second installation groove is arranged in the middle of the inside of the I-shaped assembly column;

[0010] The installation rail is arranged on the both sides of the support protection board along the length direction, the installation rail is embedded in the first installation groove at frame plane, and the installation rail is embedded in the second installation groove at frame corner;

[0011] The inclined strut mechanism is installed in the second installation groove at frame plane.

[0012] Preferably, the inclined strut mechanism includes abutting sliding part, inclined strut column and foot plate, the abutting sliding part is slidably connected in the second installation groove, the foot plate is arranged on the ground of foundation pit and located below the inside of the I-shaped assembly column;

[0013] The upper end of the inclined strut column is hinged on the abutting sliding part, the lower end of the inclined strut column is hinged on the foot plate, and the fastening rod is arranged between the inclined strut column and the abutting sliding part.

[0014] Preferably, the adjusting groove is arranged in the middle of the inclined strut column, the turnover block is rotatably connected in the adjusting groove, and the insertion hole is arranged in the middle of the turnover block.

[0015] The fastening rod passes through the insertion hole and is connected with the abutting sliding part.

[0016] Preferably, the external thread is arranged on the fastening rod, the upper end of the fastening rod is hinged on the bottom of the sliding block, the lower end of the fastening rod is threadedly connected with the fastening nut, and the fastening nut abuts on the bottom of the turnover block.

[0017] Preferably, the abutting sliding part includes mounting plate and sliding block, the sliding block is arranged in the inside of the mounting plate, the sliding block is slidably connected in the second installation groove, and the upper end of the inclined strut column is hinged on the outside of the mounting plate.

[0018] The utility model discloses a beneficial effect is:

[0019] 1. The utility model discloses support the protection board constitutes the frame structure of foundation pit through the assembly of I -shaped assembly column, through the convenient installation mode of along the installation groove inlaying, can greatly reduce the installation difficulty of foundation pit support system, can save time and labour, improves construction efficiency.

[0020] 2. The utility model discloses setting up the inclined strut mechanism on I -shaped assembly column, can improve the stability and strength of support system, and through the adjustment of fastening rod to inclined strut mechanism, make the inclined strut mechanism always keep the state of support, prevent the failure of inclined strut mechanism.

[0021] 3. The utility model discloses the angle between the abutting sliding part and inclined strut column can be adjusted through fastening rod, make the support column always abut on I -shaped assembly column, to ensure that maintain its support effect. DRAWINGS

[0022] Figure 1 It is the plan view of the utility model;

[0023] Figure 2 It is Figure 1 The local enlarged diagram of A place in the middle;

[0024] Figure 3 It is the connection relation diagram of support protection board and I -shaped assembly column in the utility model;

[0025] Figure 4 It is the structural diagram of I -shaped assembly column in the utility model;

[0026] Figure 5 It is the structural diagram of inclined strut mechanism in the utility model;

[0027] Figure 6 It is the structural diagram of inclined strut column in the utility model;

[0028] Figure 7 It is the connection relation diagram of fastening rod and turnover block in the utility model.

[0029] In the drawing: 1-support protection board;11-installing along;2-I -shaped assembly column;21-first installation groove;22-second installation groove;3-inclined strut mechanism;4-abutting sliding part;41-installation plate;42-sliding block;5-inclined strut column;51-adjustment groove;6-foot plate;61-insert nail;7-turnover block;71-insert hole;8-fastening rod;9-fastening nut. SPECIFIC EMBODIMENTS

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer, specific embodiments and drawings are used to make a further detailed description of the utility model, the schematic embodiment and the description thereof are only used to explain the utility model, and not as a limitation on the utility model.

[0031] In the following description, numerous specific details are set forth to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that the present utility model can be practiced without these specific details. In other instances, well-known structures, circuits, materials or processes have not been described in detail in order to avoid obscuring the present utility model.

[0032] In the description throughout the specification, the reference to "one embodiment", "an embodiment", "one example" or "an example" means that the specific feature, structure or characteristic described in connection with the embodiment or example is included in at least one embodiment of the present utility model. Therefore, the phrases "one embodiment", "an embodiment", "one example" or "an example" appearing in various places throughout the specification are not necessarily all referring to the same embodiment or example. In addition, the specific features, structures or characteristics can be combined in one or more embodiments or examples in any appropriate combination and / or sub-combination. Furthermore, those of ordinary skill in the art should understand that the drawings provided herein are for illustrative purposes only, and the drawings are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0033] In the description of the present utility model, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present utility model.

[0034] As shown in Figures 1-7 The utility model provides a kind of foundation pit support system, including the support protection board 1 and multiple I-shaped assembling column 2 of multiple support protection board 1 being distributed at the inside four around foundation pit interval, adjacent two support protection board 1 are connected by I-shaped assembling column 2 and constitute frame structure, support protection board 1 as the frame panel of foundation pit support system, and I-shaped assembling column 2 as the connecting structure of adjacent two support protection board 1, can be conveniently assembled into the frame structure of foundation pit support system, play good protection effect, I-shaped assembling column 2 inside is equipped with inclined strut mechanism 3, fastening rod 8 is provided on inclined strut mechanism 3, the stability of I-shaped assembling column 2 can be guaranteed by inclined strut mechanism 3, and the support effect of inclined strut mechanism 3 is improved by fastening rod 8.

[0035] In the above scheme, the first mounting groove 21 is arranged on both sides of the I-shaped assembled column 2, the second mounting groove 22 is arranged in the middle of the inner side of the I-shaped assembled column 2, the mounting edge 11 is arranged on both sides of the support protection plate 1 along the length direction, the mounting edge 11 is embedded in the first mounting groove 21 at the plane of the frame body, the mounting edge 11 is embedded in the second mounting groove 22 at the corner of the frame body, and the diagonal bracing mechanism 3 is installed in the second mounting groove 22 at the plane of the frame body.

[0036] As an optimization technical scheme of the utility model, the mounting edges 11 on both sides of the adjacent two support protection plates 1 are assembled together through the first mounting grooves 21 on both sides of the I-shaped assembled column 2 to form the plane of the frame structure, and the mounting edges 11 are embedded in the second mounting grooves 22 to form the corners of the frame structure, so that the quick assembly work of the support protection plate 1 and the I-shaped assembled column 2 can be realized, and a proper number of support protection plates 1 and I-shaped assembled columns 2 can be selected according to the size of the foundation pit to assemble into frame structures of different sizes, so that the applicability of the foundation pit support system can be improved, and meanwhile, the embedded connection mode can improve the convenience of assembly and reduce the difficulty of assembly.

[0037] In the above scheme, the diagonal bracing mechanism 3 comprises the abutting sliding part 4, the diagonal bracing column 5 and the anchor plate 6, the abutting sliding part 4 is slidingly connected in the second mounting groove 22, the anchor plate 6 is arranged on the ground of the foundation pit and located below the inner side of the I-shaped assembled column 2, the upper end of the diagonal bracing column 5 is hingedly connected to the abutting sliding part 4, the lower end of the diagonal bracing column 5 is hingedly connected to the anchor plate 6, and the fastening rod 8 is arranged between the diagonal bracing column 5 and the abutting sliding part 4.

[0038] As an optimization technical scheme of the utility model, the anchor plate 6 is fixed on the ground at the bottom of the foundation pit through the insertion nails 61 arranged at the four corner positions of the bottom of the anchor plate 6, so that the anchor plate 6 can provide effective support for the I-shaped assembled column 2 through the diagonal bracing column 5 in cooperation with the abutting sliding part 4, and the angle between the diagonal bracing column 5 and the abutting sliding part 4 can be adjusted through the fastening rod 8, so as to ensure that the abutting sliding part 4 is always closely attached to the I-shaped assembled column 2.

[0039] In the above scheme, the adjusting groove 51 is arranged in the middle of the diagonal bracing column 5, the turnover block 7 is rotatably connected in the adjusting groove 51, the insertion hole 71 is arranged in the middle of the turnover block 7, and the fastening rod 8 is connected to the abutting sliding part 4 through the insertion hole 71.

[0040] As an optimization technical scheme of the utility model, the adjusting groove 51 provides a space for the deflection of the fastening rod 8 in the adjustment process, the turnover block 7 is rotatably connected in the adjusting groove 51, and the fastening rod 8 can pass through the insertion hole 71, so that the insertion hole 71 plays a guiding role.

[0041] In the above scheme, the fastening rod 8 is provided with external thread, the upper end of the fastening rod 8 is hinged to the bottom of the sliding block 4, and the lower end of the fastening rod 8 is threadedly connected with the fastening nut 9, and the fastening nut 9 abuts against the bottom of the turnover block 7.

[0042] As an optimization technical scheme of the utility model, in the adjusting process of the fastening rod 8, the fastening nut 9 is abutted against the bottom of the turnover block 7 by rotating the fastening nut 9, and the abutting sliding member 4 is deflected downward by the fastening effect of the fastening nut 9, so that the included angle between the inclined bracing column 5 and the abutting sliding member 4 is increased, thereby ensuring that the abutting sliding member 4 is always abutted against the I-shaped assembled column 2, improving the adjustability of the inclined bracing mechanism 3, and the fastening effect of the fastening nut 9 can realize the fastening effect, thereby ensuring the effective support of the inclined bracing mechanism 3.

[0043] In the above scheme, the abutting sliding member 4 comprises a mounting plate 41 and a sliding block 42, the sliding block 42 is arranged on the inner side of the mounting plate 41, the sliding block 42 is slidingly connected in the second installation groove 22, and the upper end of the inclined bracing column 5 is hinged to the outer side of the mounting plate 41.

[0044] As an optimization technical scheme of the utility model, the width of the sliding block 42 is the same as the width of the second installation groove 22, so that the sliding of the sliding block 42 in the second installation groove 22 is ensured, the angle of the inclined bracing column 5 and the position of the abutting sliding member 4 are facilitated to be changed, and the mounting plate 41 is ensured to be always abutted against the outer side of the second installation groove 22 in the adjusting process of the inclined bracing mechanism 3.

[0045] Specific implementation case:

[0046] When the foundation pit support system is used, the mounting edges 11 on both sides of the support protection plate 1 can be inserted into the first installation grooves 21 on both sides of the I-shaped assembled column 2, and the mounting edges 11 are inserted into the second installation grooves 22 of the I-shaped assembled column 2 at the corners, and then a proper number of support protection plates 1 and I-shaped assembled columns 2 are selected to assemble the frame structure of the foundation pit support system according to the actual size of the foundation pit.

[0047] Then, the sliding block 42 of the abutting sliding member 4 is placed into the second installation groove 22 of the I-shaped assembled column 2, the dowel 61 is inserted into the ground at a proper angle, so that the foot plate 6 is fixed on the ground at the bottom of the foundation pit, and then the inclined bracing column 5 is inclined and supported between the abutting sliding member 4 and the foot plate 6, so as to prevent the foundation pit support system from falling down.

[0048] Finally, the fastening nut 9 can be tightly abutted against the bottom of the turnover block 7 by rotating the fastening nut 9 and the threaded connection relationship between the fastening nut 9 and the external thread arranged on the fastening rod 8, and the sliding block 42 can be slid downward along the second installation groove 22 by the pulling of the fastening rod 8, so that the abutting sliding member 4 can be tightly abutted against the I-shaped assembled column 2, so as to ensure the supporting strength and stability of the foundation pit supporting system.

[0049] The above detailed description is further used for explaining the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only the specific implementation of the utility model, and is not used for limiting the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A foundation pit support system characterized by: The utility model provides a kind of support protection plate (1) and multiple I-shaped columns (2) including being spacedly distributed in the inside four around foundation pit, adjacent two the support protection plate (1) between it is connected by the I-shaped column (2) of support protection plate (1) and constitute frame structure, diagonal bracing mechanism (3) is installed in the inside of the I-shaped column (2), and fastening rod (8) is provided on the diagonal bracing mechanism (3).

2. A foundation pit support system according to claim 1, wherein: First installation groove (21) is respectively provided on the two sides of the I-shaped column (2), and second installation groove (22) is opened in the middle of the inside of the I-shaped column (2); Mounting rail (11) is provided along the length direction of the two sides of the support protection plate (1), and the mounting rail (11) is embedded in the first installation groove (21) at frame plane, and the mounting rail (11) is embedded in the second installation groove (22) at frame corner; The diagonal bracing mechanism (3) is installed in the second installation groove (22) at frame plane.

3. A retaining wall system according to claim 2, wherein: The diagonal bracing mechanism (3) includes abutting sliding part (4), diagonal bracing column (5) and foot plate (6), the abutting sliding part (4) is slidably connected in the second installation groove (22), the foot plate (6) is arranged on the ground of foundation pit, and located below the inside of the I-shaped column (2); The upper end of the diagonal bracing column (5) is hinged to the abutting sliding part (4), and the lower end of the diagonal bracing column (5) is hinged to the foot plate (6), and the fastening rod (8) is arranged between the diagonal bracing column (5) and the abutting sliding part (4).

4. A retaining wall system according to claim 3 wherein: Adjusting groove (51) is opened in the middle of the diagonal bracing column (5), and the turning block (7) is rotatably connected in the adjusting groove (51), and the insertion hole (71) is arranged in the middle of the turning block (7); The fastening rod (8) passes through the insertion hole (71) and is connected with the abutting sliding part (4).

5. A retaining wall system according to claim 4 wherein: The fastening rod (8) is provided with external thread, the upper end of the fastening rod (8) is hinged to the bottom of the abutting sliding part (4), and the lower end of the fastening rod (8) is threadedly connected with the fastening nut (9), and the fastening nut (9) is abutted on the bottom of the turning block (7).

6. A retaining wall system according to claim 3 wherein: The abutting sliding part (4) includes mounting plate (41) and sliding block (42), the sliding block (42) is arranged in the inside of the mounting plate (41), the sliding block (42) is slidably connected in the second installation groove (22), and the upper end of the diagonal bracing column (5) is hinged to the outside of the mounting plate (41).

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