CN219410893U - Foundation pit supporting structure for foundation pit excavation - Google Patents

Abstract

The application relates to a foundation pit supporting structure for foundation pit excavation, which relates to the field of constructional engineering technology, and comprises a plurality of supporting baffles, wherein the supporting baffles are spliced into a rectangular frame; the supporting baffle comprises a plurality of plugboards and four connecting seats, wherein the plugboards are attached to one inner side wall of a foundation pit, a plug groove is formed in one side of each plugboard, plug bars are fixed on the other side of each plugboard, the plug bars of one plugboard are plugged into the plug grooves of the other plugboard, the four connecting seats are respectively located at corners of two adjacent side walls of the foundation pit, and the connecting seats can fix two adjacent plugboards at the corners of the two adjacent side walls of the foundation pit. The application has the effect of improving and can cause the damage to the foundation ditch.

Description

A foundation pit support structure for foundation pit excavation

technical field

The present application relates to the field of construction engineering technology, in particular to a foundation pit support structure for foundation pit excavation.

Background technique

In building construction, in order to ensure the safety of foundation pit excavation and foundation structure construction, a foundation pit support structure will be set up during foundation pit excavation construction, so that the side walls of the foundation pit can be reinforced and protected.

In the related technology, the application number is 201520617626.7 which discloses a foundation pit support. The pit is composed of an upper sloping foundation pit and a lower vertical foundation pit. The upper sloping foundation pit is a slope surface formed with a set slope from the surface of the foundation pit. The lower vertical foundation pit is supported by several cement mixing piles arranged at a certain distance around the foundation pit. The cement mixing piles are equipped with I-beams. , when supporting the foundation pit, put the I-beam into the cement mixing pile before the cement mixing pile has just been solidified, lay steel mesh on the slope surface of the vertical foundation pit at the lower part, and spray a layer of concrete for support.

In view of the above-mentioned related technologies, I-beams are put into the cement mixing pile, and then steel mesh is laid on the slope surface of the lower vertical foundation pit, and then a layer of concrete is sprayed for support. However, when the support structure needs to be taken out after the foundation pit support is completed, it is not easy to take out the support structure, which will cause damage to the foundation pit.

Utility model content

In order to improve the problem of damage to the foundation pit, the present application provides a foundation pit support structure for foundation pit excavation.

A foundation pit support structure for foundation pit excavation provided by the application adopts the following technical scheme:

A foundation pit support structure for foundation pit excavation, comprising a plurality of support baffles, the plurality of support baffles spliced into a rectangular frame;

The support baffle includes a plurality of inserting plates and four connecting seats, the inserting plates are attached to an inner side wall of the foundation pit, one side of the inserting plate is provided with an insertion slot, and the other side is fixed with an inserting bar, the inserting bar of one of the inserting plates is inserted into the insertion slot of the other inserting plate, and the four connecting seats are respectively located at the corners of the adjacent side walls of the foundation pit, and the connecting seats can fix the corners of the adjacent two sides of the foundation pit adjacent to the two inserting plates.

By adopting the above technical solution, when it is necessary to support the foundation pit, first, the personnel take out a plurality of plugboards, and then insert the multiple plugboards into the foundation pit respectively, and make each plugboard stick to one inner wall of the foundation pit. At this time, the plug strip of one plugboard can be inserted into the insertion groove of the other plugboard, and the plugboard located on one inner sidewall of the foundation pit is connected by two adjacent plugboards. After that, the connecting seat is taken out, and the connecting seat is placed at the corner of the adjacent two side walls of the foundation pit, and the support baffle is formed by the connecting seat and the plugboard , can be spliced into a rectangular frame, and the foundation pit can be supported; when the support baffle needs to be removed, the inserting plate and the connecting seat can be taken out of the foundation pit in sequence. Compared with the related technology, the present application takes the inserting plate and the connecting seat out of the foundation pit in sequence, and the support baffle can be removed, which is beneficial to reduce the damage to the foundation pit.

Optionally, at least one insertion pile is fixed on the bottom wall of the insertion board, and the insertion pile is provided with a pointed end on a side away from the insertion board.

By adopting the above-mentioned technical scheme, the bottom wall of the inserting plate is provided with pointed insertion piles. When the inserting plate is inserted into the foundation pit, the inserting piles can be inserted into the side wall of the foundation pit. By setting the inserting piles, on the one hand, it is convenient to insert the inserting plate into the foundation pit, and on the other hand, it can also support the inserting plate.

Optionally, two opposing inserting plates are provided with chute on one side close to each other, and the setting direction of the chute is from the opening of the foundation pit to the bottom wall of the foundation pit, and the inserting plate is provided with a slider in the chute, and the slider can slide along the length direction of the chute in the chute;

The foundation pit support structure for foundation pit excavation also includes an insertion assembly, the insertion assembly includes a telescopic piece and a fixed base, the telescopic piece is arranged obliquely, the telescopic piece is located in a rectangular frame, the higher end of the telescopic piece is hinged to the slider, the lower end of the telescopic piece is hinged to the fixed base, the fixed base is horizontally arranged, the fixed base is installed on the bottom wall of the foundation pit, and the telescopic piece can support the inserting plate.

By adopting the above-mentioned technical solution, when the inserting plate is inserted into the foundation pit, the telescopic member is first adjusted to a suitable position according to the needs of the personnel. During the adjustment process of the expanding member, the slider can slide along the chute, and then the fixed base is installed on the bottom wall of the foundation pit. By setting the inserting component, it is beneficial to fix the inserting plate.

Optionally, the insertion assembly further includes a pin, the pin is located on the side of the fixed base away from the telescopic element, the installation direction of the pin is consistent with the installation direction of the insertion pile, the pin is fixed on the fixed base, the end of the pin away from the fixed base is pointed, and the pin can be inserted into the bottom wall of the foundation pit.

By adopting the above technical solution, when the telescopic element is adjusted to a proper position, the bolt is inserted into the side wall of the foundation pit, and the fixed base can be installed on the bottom wall of the foundation pit. By setting the bolt, it is beneficial to fix the fixed base.

Optionally, a plurality of support devices are also included, the support devices are used to support the two facing support baffles, and the support devices are detachably connected to the support baffles.

By adopting the above-mentioned technical scheme and setting the support device, on the one hand, the two facing support baffles can be supported to enhance the stability of the support, and the support device can be detachably connected to the support baffle, so that the support device can be easily taken out from between the support baffles.

Optionally, the supporting device includes a connecting assembly and a supporting assembly, the connecting assembly includes a connecting plate and a connecting rod, the connecting plates are respectively located on the side facing each other of the two inserting plates, the connecting plates are detachably connected to the inserting plates, the connecting rods are located on the side of the connecting plate away from the inserting plates, and the connecting rods are installed on the connecting plates;

The supporting assembly includes a plurality of supporting rods, the supporting rods are arranged horizontally, the connecting rods are inserted into one end of the supporting rods, and the connecting rods are screwed to the connecting rods.

By adopting the above-mentioned technical solution, when the supporting device needs to be installed, firstly, install the connecting plate and the connecting rod, then detachably connect the connecting plate and the inserting plate, and then place the supporting rod close to the connecting rod on the two inserting plates facing each other, insert the connecting rod into the supporting rod, and screw the supporting rod to fix the supporting rod and the connecting rod.

Optionally, the support device further includes an adjustment assembly, the adjustment assembly includes an adjustment member, the adjustment member is located between the two support rods, and the adjustment member is detachably connected to the support rods.

By adopting the above-mentioned technical solution, when it is necessary to increase the length of the support rod, one end of the support rod is connected to the connecting rod, and the other end is connected to the adjustment member. After that, another support rod is taken out and fixed to the other end of the adjustment member. By setting the adjustment member, it is convenient to increase the length of the support rod.

Optionally, the connecting rod is hinged to the connecting plate.

By adopting the above technical scheme, through the hinged connection of the connecting rod and the connecting plate, when the supporting rod and the connecting rod need to be threaded, the connecting rod can be rotated at different angles, which is beneficial to the connection of the supporting rod and the connecting rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When it is necessary to remove the support baffle, it is enough to take the inserting plate and the connecting seat out of the foundation pit in sequence. Compared with the related technology, in this application, the inserting plate and the connecting seat are taken out of the foundation pit in sequence, so that the supporting baffle can be removed, which is beneficial to reduce the damage to the foundation pit;

2. By setting the insertion pile, on the one hand, it is convenient to insert the inserting plate into the foundation pit, and on the other hand, it can also support the inserting plate;

3. By setting the support rod and the connecting rod, the support baffle can be supported, and the support rod and the connecting rod are threaded, which facilitates the disassembly and installation of the support rod and the connecting rod.

Description of drawings

Fig. 1 is the overall structure schematic diagram among the present embodiment;

Fig. 2 is the structural representation of inserting assembly in the present embodiment;

Fig. 3 is an enlarged view of A in Fig. 2;

Figure 4 is an enlarged view of B in Figure 2;

Fig. 5 is the structural representation of support baffle plate and supporting device in the present embodiment;

Figure 6 is an enlarged view of C in Figure 5;

FIG. 7 is an enlarged view of D in FIG. 5 .

Explanation of reference numerals: 1, support baffle; 11, inserting plate; 111, socket slot; 112, inserting strip; 113, inserting pile; 114, inserting hole; 115, chute; 116, sliding block; 12, connecting seat; ; 22, fixed base; 23, latch; 3, support device; 31, connecting component; 311, connecting plate; 3111, the first fastener; 312, connecting rod; 32, supporting component; 321, supporting rod;

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-7.

The embodiment of the present application discloses a foundation pit support structure for foundation pit excavation. Referring to Fig. 1 and Fig. 2, a foundation pit support structure for foundation pit excavation includes a plurality of support baffles 1, a plurality of insert assemblies 2 and a plurality of support devices 3. In this embodiment, the number of support baffles 1 is eight, and the eight support baffles 1 are divided into two groups. The support baffle 1 is supported by a support device 3 .

Referring to Figures 1 and 2, the support baffle 1 includes a plurality of inserts 11 and four connecting seats 12. The inserts 11 are attached to an inner side wall of the foundation pit. In this embodiment, a support baffle 1 is formed by splicing three inserts 11. The inserts 11 are rectangular plates placed vertically. One side of the insert 11 is provided with an insert slot 111, and the other side is provided with an insert strip 112, and the insert strip 112 is welded to the insert 11. When two adjacent inserts 11 are spliced together , the plug strip 112 on one of the plugboards 11 is inserted into the slot 111 on the other plugboard 11, and the four connection seats 12 are respectively located at the corners of the adjacent side walls of the foundation pit. In this embodiment, the connection seats 12 are L-shaped. 22 is welded to the connection seat 12; the bottom wall of the flashboard 11 is welded with at least one insertion pile 113, in the present embodiment, the bottom wall of each flashboard 11 is welded with an insertion pile 113, the bottom end of the insertion pile 113 is a pointed tip, and the side of the flashboard 11 away from the insertion pile 113 is provided with an insertion hole 114 for the insertion of the insertion pile 113 of another flashboard 11.

Referring to Fig. 1, Fig. 2 and Fig. 3, two facing boards 11 are provided with chute 115 on one side close to each other, and the setting direction of chute 115 is from the opening of the foundation pit toward the bottom wall of the foundation pit, and the chute 115 positioned at the upper board 11 communicates with the chute 115 located at the lower board 11. The longitudinal section of 6 is T-shaped, and the slider 116 can fit the groove wall of the chute 115. The slider 116 can slide in the chute 115 along the length direction of the chute 115. When the slider 116 slides to a suitable position, the slider 116 is connected to the inserting plate 11 by screws. The insertion assembly 2 includes a telescopic piece 21, a fixed base 22 and a latch 23. The lower end of the telescopic member 21 is hinged to the fixed base 22. In this embodiment, the telescopic member 21 includes a first insertion rod 211 and a second insertion rod 212. One end of the first insertion rod 211 is hinged to the slider 116, and the other end is inserted into the second insertion rod 212. The first insertion rod 211 is provided with a connecting hole 2111 near the end of the second insertion rod 212, and a plurality of connection holes 2111 are arranged along the length direction of the first insertion rod 211. The second insertion rod 211 2. A screw 2121 is provided. The screw 2121 penetrates the second insertion rod 212 and then extends into the connection hole 2111. The screw 2121 can fix the second insertion rod 212 and the first insertion rod 211. The fixed base 22 is arranged horizontally. The bolt 23 is located on the side of the fixed base 22 away from the second insertion rod 212. The installation direction of the latch 23 is consistent with the installation direction of the insertion pile 113. .

Referring to FIG. 4 , the supporting device 3 includes a connecting component 31 , a supporting component 32 and an adjusting component 33 , and the adjusting component 33 is arranged on the supporting component 32 .

Referring to Fig. 5 and Fig. 6, in the present embodiment, two facing inserting boards 11 are connected to a connecting assembly 31 on one side close to each other. The connecting assembly 31 includes a connecting plate 311 and a connecting rod 312. The connecting plate 311 is provided with a first fastener 3111. On one side, the connecting rod 312 is hinged to the connecting plate 311 , and the connecting rod 312 is fixed to the support assembly 32 away from the hinged end.

5 and 7, the support assembly 32 includes a plurality of support rods 321, the support rods 321 are located between the two facing plates 11, and the support rods 321 are arranged horizontally, the end of the connecting rod 312 away from the hinged end is inserted into the end of the support rod 321, and the connecting rod 312 is threadedly connected to the support rod 321, the end of the support rod 321 away from the connecting seat 12 is detachably connected to the adjustment assembly 33, and the end of the support rod 321 near the adjustment assembly 33 is provided with a plurality of insertion holes 32 11, and a plurality of insertion holes 3211 and the length direction of the support rod 321 are set.

5 and 7, the adjustment assembly 33 includes an adjustment member 331. In this embodiment, the longitudinal section of the adjustment member 331 is rectangular. The two ends of the adjustment member 331 are provided with sockets 3311 for the support rod 321 to be inserted into. , in this embodiment, the second fastener 3312 is a bolt, and the second fastener 3312 can fix the adjustment member 331 and the support rod 321 .

The implementation principle of a foundation pit support structure for foundation pit excavation in the embodiment of the present application is as follows: when the foundation pit needs to be supported, first, the inserting plate 11 is spliced and fixed into a support baffle 1, and then the support baffle 1 is inserted into the foundation pit, so that the support baffle 1 fits with the side wall of the foundation pit, the insertion pile 113 can be inserted into the bottom of the foundation pit, and then the two adjacent inserts 11 located at the corner of the foundation pit are connected through the connecting seat 12, and then the support assembly 32 is fixed on the base according to the size of the foundation pit between the two facing boards 11.

When the support device 3 needs to be installed, take out the two connecting plates 311, fix the two connecting plates 311 on the opposite side of the two inserting plates 11 close to each other, screw the first fastener 3111, the first fastener 3111 can fix the connecting plate 311 and the inserting plate 11, then take out the supporting rod 321, insert the connecting rod 312 into one end of the supporting rod 321, and screw the supporting rod 321, the supporting rod 321 and the connecting rod 312 can be fixed, and the supporting rod 321 can be fixed. 1. The end far away from the connecting rod 312 is close to the side of the adjustment piece 331, insert the support rod 321 into the socket 3311, and pass the second fastener 3312 through the adjustment piece 331 and the support rod 321 in turn, so that the second fastener 3312 fixes the adjustment piece 331 and the support rod 321; then, according to the above steps, fix the other support rod 321 on the other side of the adjustment piece 331, and according to the above operation, fix the remaining support rods 321 between the two facing plates 11 .

When the height of the support baffle 1 needs to be increased, the rest of the support baffle 1 is taken out, and the personnel use a crane to lift the support baffle 1 above the foundation pit, so that the insertion pile 113 on the upper support baffle 1 can be inserted into the corresponding insertion hole 114 on the lower support baffle 1 .

All of the above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims (8)

1. A foundation pit support structure for foundation pit excavation is characterized in that: it comprises a plurality of support baffles (1), and a plurality of said support baffles (1) are spliced into a rectangular frame; The support baffle (1) includes a plurality of boards (11) and four connection seats (12), the boards (11) are attached to an inner side wall of the foundation pit, one side of the board (11) is provided with an insertion slot (111), and the other side is fixed with a connection strip (112), the insertion strip (112) of one of the boards (11) is inserted into the insertion slot (111) of the other board (11), and the four connection seats (12) ) are respectively located at the corners of the adjacent two side walls of the foundation pit, and the connecting seat (12) can fix the two inserting plates (11) adjacent to the corners of the adjacent two sides walls of the foundation pit. 2. The foundation pit support structure for excavation of a kind of foundation pit according to claim 1, is characterized in that: the bottom wall of the inserting plate (11) is fixed with at least one insertion pile (113), and the insertion pile (113) is set at a point away from the side of the insertion plate (11). 3. The foundation pit support structure for excavation of a foundation pit according to claim 2, characterized in that: two facing said inserting plates (11) are provided with chute (115) on one side close to each other; 15) sliding in the length direction; The foundation pit support structure for foundation pit excavation also includes an insertion assembly (2), the insertion assembly (2) includes a telescopic element (21) and a fixed base (22), the telescopic element (21) is arranged obliquely, the telescopic element (21) is located in a rectangular frame, the higher end of the telescopic element (21) is hinged to the slider (116), the lower end of the telescopic element (21) is hinged to the fixed base (22), the fixed base (22) is horizontally arranged, and the fixed base (22) ) is installed on the bottom wall of the foundation pit, and the telescopic member (21) can support the inserting plate (11). 4. A foundation pit support structure for foundation pit excavation according to claim 3, characterized in that: the insertion assembly (2) also includes a bolt (23), the bolt (23) is located on the side of the fixed base (22) away from the telescopic element (21), the installation direction of the bolt (23) is consistent with the installation direction of the insertion pile (113), the bolt (23) is fixed on the fixed base (22), and the bolt (23) is away from the fixed base (22) One end is pointed, and the bolt (23) can be inserted into the bottom wall of the foundation pit. 5. The foundation pit support structure for excavation of a kind of foundation pit according to claim 3, is characterized in that: also comprise a plurality of support devices (3), described support device (3) is used for supporting two described support baffles (1) facing, and described support device (3) is detachably connected with described support baffle (1). 6. A foundation pit support structure for foundation pit excavation according to claim 5, characterized in that: the supporting device (3) includes a connecting assembly (31) and a supporting assembly (32), the connecting assembly (31) includes a connecting plate (311) and a connecting rod (312), each of the connecting plates (311) is located on a side opposite to the two inserting plates (11) close to each other, the connecting plate (311) is detachably connected to the inserting plate (11), and the connecting rod (312 ) is located on the side of the connecting plate (311) away from the inserting plate (11), and the connecting rod (312) is installed on the connecting plate (311); The support assembly (32) includes a plurality of support rods (321), the support rods (321) are arranged horizontally, the connecting rod (312) is plugged into one end of the support rod (321), and the connecting rod (312) is threadedly connected to the connecting rod (312). 7. A foundation pit support structure for foundation pit excavation according to claim 6, characterized in that: the support device (3) further comprises an adjustment assembly (33), the adjustment assembly (33) includes an adjustment member (331), the adjustment member (331) is located between the two support rods (321), and the adjustment member (331) is detachably connected to the support rods (321). 8. The foundation pit support structure for foundation pit excavation according to claim 6, characterized in that: the connecting rod (312) is hinged to the connecting plate (311).