Civil engineering foundation pit supporting structure

Abstract

The utility model discloses a civil engineering foundation pit supporting structure which is used for supporting the inner side wall of a foundation pit and comprises a bottom plate and a side plate, the bottom plate is hinged to the side plate, a plurality of first telescopic rods are hinged to the upper side face of the bottom plate, the tops of the first telescopic rods are hinged to the right side face of the side plate, and the first telescopic rods are arranged in parallel. An attached plate is slidably connected to the interior of the upper side of the side plate, a plurality of second telescopic rods are further hinged to the upper side face of the bottom plate, the tops of the second telescopic rods are hinged to the right side face of the attached plate, and the second telescopic rods and the first telescopic rods are alternately arranged; the bottom plate and the side plates are hinged, during supporting, the side plates are rotated along the hinged positions to be attached to the side walls of the foundation pit, meanwhile, the extending length of the attached plates can be adjusted according to the height of the foundation pit, and in the extending and retracting process, second telescopic rods are matched to conduct extending and retracting work, so that the supporting device can be suitable for supporting work of various foundation pits; the applicability is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of civil construction, in particular to a civil construction foundation pit supporting structure. Background Art

[0002] A temporary pit excavated for the building foundation is called a foundation pit. The foundation pit is a temporary project and its function is to provide a space. The foundation pit retaining structure mainly bears the water pressure and soil pressure generated by the foundation pit excavation unloading, and transfers this pressure to the support. It is a temporary retaining wall structure for stabilizing the foundation pit.

[0003] Utility model patent CN214143731U discloses a foundation pit support structure used in civil construction, which relates to the field of civil construction, including a foundation pit, a bottom plate is provided on the bottom side of the foundation pit, an attached plate is provided on one side of the foundation pit, a plurality of supporting vertical rods are fixedly installed on one side of the attached plate, a plurality of supporting baffles are fixedly installed on the top side of the bottom plate, and the plurality of supporting baffles are respectively fixedly installed on one side of the plurality of supporting vertical rods, an extension groove is opened on the top side of the attached plate, and an extension baffle is movably installed in the extension groove.

[0004] The utility model needs to protect the foundation pit during the civil construction process, install the bottom plate on the bottom side of the foundation pit, attach the attached plate to one side of the foundation pit, and fix the bottom plate on the foundation pit by clamping the threaded rod in the fixing groove. A plurality of supporting vertical rods are provided on one side of the attached plate, and the supporting rods are supported by the supporting rods. The supporting rods are arranged in a group of a plurality of rods, and the side of the foundation pit can be effectively supported.

[0005] The device fixes the bottom plate and the attached plate in a vertical state by supporting bars and supporting vertical plates, so the device can only support vertical foundation pits. However, in the prior art, in addition to vertical foundation pits, there are many other foundation pits with inclined side walls designed as needed, so the applicability of the foundation pit support structure is relatively low. Utility Model Content

[0006] In view of the technical problems in the above-mentioned prior art, the utility model provides a civil construction foundation pit support structure, the purpose of which is to solve the above-mentioned problems.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A civil engineering foundation pit support structure is used to support the inner side wall of the foundation pit, including a bottom plate and a side plate, the bottom plate and the side plate are hingedly arranged, a plurality of first telescopic rods are hingedly arranged on the side surface of the bottom plate, the tops of the plurality of first telescopic rods are respectively hinged to the right side surface of the side plate, the plurality of first telescopic rods are arranged in parallel, an attached plate is slidably connected to the upper side of the side plate, a plurality of second telescopic rods parallel to the first telescopic rods are also hingedly arranged on the side surface of the bottom plate, the tops of the plurality of second telescopic rods are respectively hinged to the right side surface of the attached plate, and the plurality of second telescopic rods are alternately arranged with the plurality of first telescopic rods.

[0009] Preferably, the first telescopic rod, the second telescopic rod and the sliding and telescopic positions of the side plates corresponding to the attachment plates are respectively provided with first fastening bolts.

[0010] Preferably, the right side surface of the attachment plate is arranged on the abutment plate, and the right side surface of the abutment plate and the right side surface of the side plate are on the same plane.

[0011] Preferably, first hinge blocks are fixedly provided at the upper side surfaces of the base plate corresponding to the multiple first telescopic rods, first supporting vertical rods are provided at the right side surfaces of the side panels corresponding to the multiple first telescopic rods, second hinge blocks are fixedly provided at the side surfaces of the base plate corresponding to the multiple second telescopic rods, and second supporting vertical rods are provided at the right side surfaces of the attached plates corresponding to the multiple second telescopic rods.

[0012] Preferably, the front and rear sides of the upper side of the bottom plate are respectively provided with threaded rods for fixing to the bottom side of the foundation pit.

[0013] Preferably, a second fastening bolt is provided on the rear side of the bottom plate corresponding to the hinged joint with the side plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides a civil engineering foundation pit support structure, which can adapt to the support work of the foundation pit side walls with different inclination angles by hingedly setting the bottom plate and the side plates. When supporting, the bottom plate is first placed on the bottom of the foundation pit, and the side plates are rotated along the hinged position to be consistent with the inclination angle of the foundation pit side walls and fit with the foundation pit side walls. During the rotation process, the first telescopic rod and the second telescopic rod cooperate to perform telescopic work. After the adjustment is completed, the bottom plate is fixed to the bottom of the foundation pit by the bolt rod, and the first fastening bolts at the first telescopic rod, the second telescopic rod and the side plates corresponding to the attached plates are tightened to support the side plates and the attached plates. At the same time, the second fastening bolts can fasten and limit the hinged joints between the bottom plate and the side plates to further increase the support effect.

[0016] At the same time, the setting of the attached plate can adjust the extended length of the attached plate according to the height of the foundation pit. During the extension and retraction process, the second telescopic rod cooperates to perform the extension and retraction work. At the same time, an abutment plate is provided on the left side of the attached plate on the same plane as the right side of the side plate to ensure effective abutment of the attached plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front schematic diagram of a civil foundation pit support structure described in the utility model;

[0018] Figure 2 It is an enlarged view of point A of a civil foundation pit support structure described in the utility model;

[0019] Figure 3 It is a front view schematic diagram of a civil foundation pit support structure described in the utility model (with the attached plate extended);

[0020] Figure 4 It is a top view of the bottom plate of a civil engineering foundation pit support structure described in the utility model.

[0021] In the figure: 1, foundation pit; 2, bottom plate; 21, first hinge block; 22, second hinge block; 23, threaded rod; 3, side plate; 31, first supporting vertical rod; 4, first telescopic rod; 5, attached plate; 51, abutment plate; 52, second supporting vertical rod; 6, second telescopic rod; 7, first fastening bolt; 8, second fastening bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In the embodiment proposed in the present application, a civil engineering foundation pit support structure is provided, which is used to support the inner wall of the foundation pit 1, and includes a bottom plate 2 and a side plate 3, the bottom plate 2 and the side plate 3 are hingedly arranged, a plurality of first telescopic rods 4 are hingedly arranged on the upper side of the bottom plate 2, the tops of the plurality of first telescopic rods 4 are respectively hingedly arranged on the right side of the side plate 3, the plurality of first telescopic rods 4 are arranged in parallel, an attachment plate 5 is slidably connected to the upper inner side of the side plate 3, a plurality of second telescopic rods 6 parallel to the first telescopic rod 4 are also hingedly arranged on the upper side of the bottom plate 2, the tops of the plurality of second telescopic rods 6 are respectively hingedly arranged on the right side of the attachment plate 5, the plurality of second telescopic rods 6 are alternately arranged with the plurality of first telescopic rods 4, and first fastening bolts 7 are respectively provided at the sliding and telescopic positions of the first telescopic rod 4, the second telescopic rod 6 and the side plate 3 corresponding to the attachment plate 5;

[0024] By hingedly setting the bottom plate 2 and the side plate 3, when supporting, the side plate 3 is rotated along the hinged position to the same angle as the inclination angle of the side wall of the foundation pit 1 and fits with the side wall of the foundation pit 1. During the rotation, the first telescopic rod 4 and the second telescopic rod 6 cooperate to perform telescopic work. After the adjustment is completed, the first telescopic rod 4, the second telescopic rod 6 and the first fastening bolt 7 at the corresponding attachment plate 5 of the side plate 3 are tightened to support the side plate 3 and the attachment plate 5. At the same time, the setting of the attachment plate 5 can adjust the extended length of the attachment plate 5 according to the height of the foundation pit 1. During the telescopic process, the second telescopic rod 6 cooperates to perform telescopic work, so that it can be used for supporting various foundation pits 1 and has a wide range of applicability.

[0025] In another embodiment, see Figure 2 The right side surface of the attachment plate 5 is arranged on the abutment plate 51 , and the right side surface of the abutment plate 51 is on the same plane as the right side surface of the side plate 3 , thereby ensuring effective abutment of the attachment plate 5 .

[0026] In another embodiment, see Figure 1-4 A first hinge block 21 is fixedly provided at the upper side surface of the bottom plate 2 corresponding to the multiple first telescopic rods 4, a first support vertical rod 31 is fixedly provided at the right side surface of the side plate 3 corresponding to the multiple first telescopic rods 4, a second hinge block 22 is fixedly provided at the upper side surface of the bottom plate 2 corresponding to the multiple second telescopic rods 6, and a second support vertical rod 52 is fixedly provided at the right side surface of the attached plate 5 corresponding to the multiple second telescopic rods 6, so as to increase the force-bearing area of ​​the support point and improve the support effect.

[0027] In another embodiment, see Figure 1-4 The front and rear sides of the upper side of the bottom plate 2 are respectively provided with threaded rods 23 for fixing to the bottom side of the foundation pit 1. The rear side of the bottom plate 2 is provided with a second fastening bolt 8 corresponding to the hinge with the side plate 3. The hinge between the bottom plate and the side plate is limited by the second fastening bolt 8 so that it will not rotate during the abutment process, thereby further improving the supporting effect.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operation supports. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] In the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A civil engineering foundation pit support structure, used for supporting the inner wall of a foundation pit (1), comprising a bottom plate (2) and a side plate (3), characterized in that: The bottom plate (2) is hingedly arranged with the side plate (3); a plurality of first telescopic rods (4) are hingedly arranged on the upper side of the bottom plate (2); the tops of the plurality of first telescopic rods (4) are respectively hingedly arranged with the right side of the side plate (3); the plurality of first telescopic rods (4) are arranged in parallel; an attachment plate (5) is slidably connected inside the upper side of the side plate (3); a plurality of second telescopic rods (6) parallel to the first telescopic rods (4) are also hingedly arranged on the upper side of the bottom plate (2); the tops of the plurality of second telescopic rods (6) are respectively hingedly arranged with the right side of the attachment plate (5); the plurality of second telescopic rods (6) and the plurality of first telescopic rods (4) are arranged alternately.

2. A civil construction foundation pit support structure according to claim 1, characterized in that: The first telescopic rod (4), the second telescopic rod (6) and the sliding and telescopic positions of the side plate (3) corresponding to the attachment plate (5) are respectively provided with first fastening bolts (7).

3. The civil construction foundation pit support structure according to claim 1, characterized in that: The right side surface of the attachment plate (5) is arranged on the abutment plate (51), and the right side surface of the abutment plate (51) and the right side surface of the side plate (3) are on the same plane.

4. The civil construction foundation pit support structure according to claim 1, characterized in that: The upper side surface of the bottom plate (2) is respectively fixed with a first hinge block (21) corresponding to the plurality of first telescopic rods (4), the right side surface of the side plate (3) is respectively provided with a first support vertical rod (31) corresponding to the plurality of first telescopic rods (4), the upper side surface of the bottom plate (2) is respectively fixed with a second hinge block (22) corresponding to the plurality of second telescopic rods (6), and the right side surface of the attachment plate (5) is respectively provided with a second support vertical rod (52) corresponding to the plurality of second telescopic rods (6).

5. The civil construction foundation pit support structure according to claim 1, characterized in that: The front and rear sides of the upper side of the bottom plate (2) are respectively provided with threaded rods (23) for fixing to the bottom side of the foundation pit (1).

6. The civil construction foundation pit support structure according to claim 1, characterized in that: A second fastening bolt (8) is provided at the hinged position of the rear side of the bottom plate (2) corresponding to the side plate (3).

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