CN218990197U - A support structure for foundation pit excavation - Google Patents

Abstract

The utility model discloses a supporting structure for foundation pit excavation, which belongs to the technical field of foundation pit supporting, and comprises a bottom plate, wherein a symmetrical vertical plate is arranged on the upper surface of the bottom plate, a plurality of connecting plates are fixedly connected to one side surface of the two vertical plates, which is far away from each other, symmetrical supporting plates are arranged above the bottom plate, one side surface of the two supporting plates, which is close to each other, is fixedly connected with one end of a plurality of groups of connecting plates, which is far away from each other, a standing plate is arranged at the top end of each vertical plate, a connecting groove is formed in the bottom end of each standing plate, a connecting plate is movably connected to the inside of each connecting groove, and the device can be used for adjusting the supporting range more conveniently through the cooperation of threaded rods and threaded cylinders, so that the device can be assembled more conveniently by workers through the cooperation of the connecting plates and the connecting grooves, and the inconvenience of the workers during the assembly of the device can be avoided.

Description

A support structure for foundation pit excavation

technical field

The utility model relates to the field of foundation pit support, in particular to a support structure for foundation pit excavation.

Background technique

Foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit. The support, reinforcement and protection measures are adopted for the side wall of the foundation pit and the surrounding environment. During the excavation of the foundation pit, groundwater control also belongs to the foundation pit support. As part of the protection, groundwater control methods can be divided into water collection and drainage, precipitation, water interception and recharge, etc., used alone or in combination.

The Chinese patent with the notification number CN21720410U discloses a support structure for foundation pit excavation under a narrow working face, but the device in the above-mentioned patent also has some shortcomings in use, for example, when the device is installed and used It is easy to have the problem of inconvenient installation due to its complex structure, so those skilled in the art provide a support structure for foundation pit excavation to solve the problems raised in the above-mentioned background technology.

Utility model content

The purpose of this utility model is to provide a support structure for foundation pit excavation to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A support structure for foundation pit excavation, comprising a bottom plate, symmetrical vertical plates are placed on the upper surface of the bottom plate, and a plurality of fixed plates are fixedly connected to the sides of the two vertical plates away from each other, A symmetrical support plate is provided above the bottom plate, and the sides of the two support plates close to each other are respectively fixedly connected with the ends of multiple sets of fixed plates that are far away from each other, and the top of each vertical plate is placed with Stand board, the bottom end of each said stand board is provided with a connection groove, the inside of each said connection groove is connected with a connection board, and the bottom end of each said connection board is fixedly connected with the top of the vertical board , the inner side wall of each of the connecting grooves is provided with a symmetrical positioning groove, the right side of each of the connecting plates is provided with a through hole, and the sides of the two standing plates that are close to each other are provided with a through hole. The inner wall of each positioning groove is screwed with a positioning bolt, and the ends of the two positioning bolts that are close to each other pass through the through hole and the opening in turn and extend to the top of the bottom plate. A group of symmetrical threaded cylinders, the left end of each said threaded cylinder is in contact with the right side of one of the vertical plates, the inner wall of each said threaded cylinder is threaded with a threaded rod, and the right side of each said threaded rod The sides are all in contact with the left side of one of the risers.

As a further solution of the present invention: the bottom surface of the bottom plate is provided with two sets of symmetrical installation holes, and the inner wall of each installation hole is provided with threads.

As a further solution of the utility model: the upper surface of the bottom plate is provided with two groups of symmetrical chute, each of which is movably connected with a slider inside the chute, and the upper surface of each group of sliders is It is fixedly connected with the bottom end of the riser.

As a further solution of the utility model: symmetrical protective pads are arranged above the bottom plate, and the sides of the two protective pads close to each other are respectively fixedly connected to the sides of the two vertical plates away from each other.

As a further solution of the present invention: two sets of symmetrical anti-slip sleeves are arranged above the bottom plate, and the inner wall of each of the anti-slip sleeves is fixedly connected with the outer surface of the threaded cylinder.

As a further solution of the present invention: two sets of symmetrical fingerboards are arranged above the bottom plate, and the ends of each set of fingerboards far away from each other are fixedly connected to the ends of each set of positioning bolts that are close to each other.

As a further solution of the present utility model: two groups of symmetrical limiting grooves are provided on the sides of the two vertical plates that are close to each other, and the inside of each group of limiting grooves is movably connected with limiting blocks. One side of the limit blocks close to each other is fixedly connected with the left end of the threaded cylinder and the right end of each set of threaded rods respectively.

Compared with the prior art, the beneficial effects of the utility model are:

The support structure used for foundation pit excavation, through the cooperation of threaded rods and threaded cylinders, can make the device more convenient to adjust the support range, avoiding the inconvenience of workers when adjusting it, through the connecting plate and The cooperation of the connecting groove can make the assembly of the device more convenient for workers, avoiding the inconvenience of the workers when assembling it. Insufficient stability causes the phenomenon of fracture and dumping.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of neutral plate of the present utility model;

Fig. 2 is the front sectional view of neutral plate of the present utility model;

Fig. 3 is the top sectional view of the stand plate in the utility model;

Fig. 4 is an enlarged schematic diagram of the structure at A in Fig. 2 of the present invention.

In the figure: 1. Bottom plate; 2. Chute; 3. Vertical plate; 4. Standing plate; 5. Threaded rod; 6. Anti-slip sleeve; 7. Fingerboard; 8. Supporting plate; Threaded barrel; 11, mounting hole; 12, slider; 13, limit block; 14, positioning bolt; 15, connecting groove; 16, connecting plate; 17, limiting groove; 18, protective pad; 19, through hole; 20, port; 21, positioning groove.

Detailed ways

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

Please refer to Figures 1 to 4. In the embodiment of the utility model, a support structure for foundation pit excavation includes a bottom plate 1, and a symmetrical vertical plate 3 is placed on the upper surface of the bottom plate 1. Two vertical plates 3 The sides that are far away from each other are fixedly connected with a plurality of fixing plates 9, and the top of the base plate 1 is provided with a symmetrical support plate 8, and the sides where the two support plates 8 are close to each other are respectively separated from multiple sets of fixing plates 9. One end is fixedly connected, a stand plate 4 is placed on the top of each stand plate 3, and a connecting groove 15 is provided at the bottom end of each stand plate 4, and a connecting plate 16 is movably connected inside each connecting groove 15, each The bottom end of connecting plate 16 is all fixedly connected with the top of vertical plate 3, and the inner side wall of each connecting groove 15 is all provided with symmetrical positioning groove 21, and the right side of each fixing plate 9 is all provided with through hole 19, The sides of the two standing plates 4 that are close to each other are provided with openings 20, and the inner walls of each positioning groove 21 are screwed with positioning bolts 14, and the ends of the two positioning bolts 14 that are close to each other pass through the through holes 19 and the openings in turn. 20 and extend to the top of the bottom plate 1, two groups of symmetrical threaded barrels 10 are arranged above the bottom plate 1, the left end of each threaded barrel 10 is in contact with the right side of one of the vertical plates 3, each threaded barrel 10 The inner walls are all threaded with threaded rods 5 , and the right side of each threaded rod 5 is in contact with the left side of one of the vertical plates 3 .

The bottom surface of the base plate 1 is provided with two sets of symmetrical mounting holes 11, and the inner wall of each mounting hole 11 is provided with threads, which can make the installation of the base plate 1 more convenient and avoid inconvenience for workers when installing the base plate 1. The upper surface of 1 is provided with two groups of symmetrical chute 2, and the inside of each chute 2 is movably connected with slider 12, and the upper surface of each group of slider 12 is fixedly connected with the bottom end of vertical plate 3, which can Make the movement of the vertical plate 3 more stable and smooth, and avoid the phenomenon that the vertical plate 3 is prone to shifting when it moves. The fixed connection with the sides of the two vertical plates 3 that are far away from each other plays a role in protecting the support plate 8 and avoiding the damage of the support plate 8 due to contact with foreign objects.

Two sets of symmetrical anti-slip sleeves 6 are arranged on the top of the bottom plate 1, and the inner wall of each anti-slip sleeve 6 is fixedly connected with the outer surface of the threaded cylinder 10, so that the rotation of the threaded cylinder 10 can be made more convenient, and workers are prevented from working on the threaded cylinder 10. The phenomenon of hand slipping occurs when the rotation is performed. Two sets of symmetrical fingerboards 7 are arranged on the top of the bottom plate 1. The ends of each set of fingerboards 7 that are far away from each other are fixedly connected with the ends of each set of positioning bolts 14 that are close to each other, so that workers can The rotation of the positioning bolt 14 is easier, avoiding the phenomenon that workers have nowhere to start when rotating it. Two groups of symmetrical limiting grooves 17 are provided on the sides of the two vertical plates 3 close to each other. Each group of limiting The inside of the groove 17 is movably connected with the limit block 13, and the side faces of each group of limit blocks 13 are fixedly connected with the left end of the threaded cylinder 10 and the right end of each group of threaded rods 5 respectively, so that the threaded cylinder 10 and the threaded rod 5 The installation is more convenient, avoiding the phenomenon that the two are prone to offset and tilt during installation.

The working principle of the utility model is: when in use, first place the device at a designated position, and position and install the base plate 1 through the installation hole 11, then place the vertical plate 3 on the base plate 1, and align with the slider 12 Connect, then use the cooperation of the limit groove 17 and the limit block 13 to temporarily position the threaded cylinder 10 and the threaded rod 5, and then use the anti-slip sleeve 6 to rotate the threaded cylinder 10, thereby adjusting the support range of the device , and finally use the fingerboard 7 to rotate the positioning pin 14, thereby positioning and installing the stand plate 4, so as to avoid the phenomenon of inconvenient installation when individuals use the device.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and all should be covered within the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments , and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A support structure for foundation pit excavation, comprising base plate (1), it is characterized in that, the upper surface of described base plate (1) is placed with symmetrical vertical plate (3), two described vertical plates The sides of the plates (3) away from each other are fixedly connected with a plurality of fixed plates (9), and a symmetrical support plate (8) is arranged on the top of the bottom plate (1), and the two support plates (8) ) side faces that are close to each other are fixedly connected to one end of multiple groups of fixed plates (9) that are far away from each other, and a standing plate (4) is placed on the top of each of the vertical plates (3), and each of the standing plates (4) ) are provided with connection slots (15), the inside of each of the connection slots (15) is movably connected with a connection plate (16), and the bottom of each of the connection plates (16) is connected to the vertical plate The top of (3) is fixedly connected, and the inner side wall of each said connecting groove (15) is all provided with symmetrical positioning groove (21), and the right side of each said fixing plate (9) is all provided with through hole (19), a side of two said stand plates (4) close to each other is provided with a port (20), and the inner wall of each said positioning groove (21) is threaded with a positioning bolt (14), two The ends of the positioning bolts (14) that are close to each other pass through the through holes (19) and the openings (20) in turn and extend to the top of the bottom plate (1). Threaded barrel (10), the left end of each said threaded barrel (10) all contacts with the right side of one of the vertical plates (3), and the inner wall of each said threaded barrel (10) is threaded with a threaded rod ( 5), the right side of each threaded rod (5) is in contact with the left side of one of the vertical plates (3). 2. A support structure for foundation pit excavation according to claim 1, characterized in that, the bottom surface of the base plate (1) is provided with two sets of symmetrical mounting holes (11), each of which The inner walls of the mounting holes (11) are all provided with threads. 3. A support structure for foundation pit excavation according to claim 1, characterized in that, the upper surface of the bottom plate (1) is provided with two groups of symmetrical slide grooves (2), each Sliders (12) are movably connected to the inside of the chute (2), and the upper surfaces of each set of sliders (12) are fixedly connected to the bottom of the vertical plate (3). 4. A support structure for foundation pit excavation according to claim 1, characterized in that a symmetrical protective pad (18) is provided above the bottom plate (1), and two of the protective pads One side of the pads (18) close to each other is fixedly connected to the sides of the two vertical plates (3) away from each other respectively. 5. A support structure for foundation pit excavation according to claim 1, characterized in that two sets of symmetrical anti-slip sleeves (6) are arranged above the bottom plate (1), each of which The inner walls of the anti-slip sleeves (6) are all fixedly connected with the outer surface of the threaded barrel (10). 6. A support structure for foundation pit excavation according to claim 1, characterized in that two sets of symmetrical fingerboards (7) are arranged above the bottom plate (1), and each set of The ends of the fingerboards (7) that are far away from each other are fixedly connected to the ends of each group of positioning bolts (14) that are close to each other. 7. A support structure for foundation pit excavation according to claim 1, characterized in that two groups of symmetrical spacers are provided on the sides of the two vertical plates (3) that are close to each other Groove (17), the inside of each set of limit grooves (17) is movably connected with limit block (13), and one side of each set of limit block (13) close to each other is respectively connected with the side of threaded cylinder (10). The left end is fixedly connected with the right end of every group of threaded rods (5).

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