Foundation pit supporting structure for constructional engineering

Abstract

The utility model relates to the technical field of constructional engineering, in particular to a constructional engineering foundation pit supporting structure which is characterized in that the side face of a vertical plate is connected with a telescopic rod used for supporting through a bolt, the outer surface of the telescopic rod is sleeved with a supporting rod used for bearing force, and one side of the vertical plate is fixedly connected with a connecting frame used for limiting; the other side of the vertical plate is fixedly connected with a connecting block used for fixing, and a rotating shaft used for fixing is inserted into the upper end of the connecting frame. According to the building engineering foundation pit supporting structure, through cooperative arrangement of the telescopic rods and the supporting rods, after a worker attaches the vertical plates to the interior of a foundation pit and provides foundation support for a whole foundation pit system, the telescopic rods inserted into the two sides of the supporting rods are pulled according to the width of the foundation pit, so that the width of the supporting rods is suitable for the width of the foundation pit; a vertical plate on the inner wall of the foundation pit is supported and limited, so that the vertical plate is more stable, the practicability of the device is further improved, and the situation that the length of a supporting rod of the device needs to be customized according to the length of the foundation pit is avoided.

Description

Technical Field

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

[0002] Foundation pit support is a measure of support, reinforcement and protection for the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. To ensure the safety of the foundation pit, the foundation pit support mainly adopts vertical plates and strut structures for support. Among them, during the construction process of foundation pit support, the vertical plates are first attached to the pit wall of the foundation pit, and one end of the strut is fixedly installed on the vertical plates, and the other end of the strut is inserted into the foundation, and then the two adjacent vertical plates are fixed, and a support system is formed by multiple vertical plates that are fixed and connected in sequence. At this time, the struts support the vertical plates, and the vertical plates support the pit wall of the foundation pit, thereby supporting the pit wall of the foundation pit.

[0003] Chinese patent announcement No. CN213867842U discloses a construction engineering foundation pit support structure, which includes a base plate and a baffle rotatably arranged on the base plate, the baffle is used to support the side wall of the foundation pit, and a telescopic member is arranged between the base plate and the baffle, the telescopic member includes a plug-in tube rotatably arranged on the upper surface of the base plate, and a plug-in rod rotatably arranged on the side wall of the baffle, one end of the plug-in rod is inserted into the plug-in tube, and a driving component for driving the plug-in rod to slide in the plug-in tube is arranged on the base plate. The present application has the effect of being able to adapt to the inclination angle of the side wall of the foundation pit.

[0004] However, the utility model has the following problems when it is actually used:

[0005] 1. When the existing device is used by the staff, the support rod of the device needs to be customized according to the length of the foundation pit, which is inconvenient. In addition, the support rod is installed at the upper end of the ground. After the force on the support rod is transmitted to the ground, the ground is prone to collapse;

[0006] 2. When the existing device is actually used, the device is dispersed and attached to the pit wall of the foundation pit, which is not convenient for connection, so the force-bearing area of ​​the device is not uniform enough. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a foundation pit support structure for a construction project, which solves the problem that when the existing device proposed in the above-mentioned background technology is used by the staff, the support rods of the device need to be customized according to the length of the foundation pit, which is inconvenient, and the support rods are installed at the upper end of the ground. After the force exerted on the support rods is transmitted to the ground, the ground is prone to collapse. When the existing device is actually used, the device is scattered and attached to the pit wall of the foundation pit, which is not convenient for connection, and therefore the force-bearing area of ​​the device is not uniform enough.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a construction engineering foundation pit support structure, including a vertical plate whose side is connected with a telescopic rod for support by bolts, the outer surface of the telescopic rod is sleeved with a support rod for force, one side of the vertical plate is fixedly connected with a connecting frame for limiting, the other side of the vertical plate is fixedly connected with a connecting block for fixing, the upper end of the connecting frame is plugged with a rotating shaft for fixing, and the rotating shaft passes through one side of the connecting frame and is plugged into the inside of the rotating shaft.

[0011] Preferably, a placement groove for limiting is fixedly connected to the side surface of the vertical plate, and a positioning block for connection is fixedly connected to the side surface of the vertical plate.

[0012] Preferably, a side surface of the positioning block is clamped with a limiting foot for support, and an upper end of the limiting foot is fixedly connected with a connecting mechanism for fastening.

[0013] Preferably, the lower end of the limiting foot is fixedly connected to a positioning plate for fixing, and the upper end of the positioning plate is plugged with a threaded column for fixing.

[0014] Preferably, one end of the rotating shaft is threadedly connected with a nut for fastening, and the outer surface of the nut is provided with friction patterns for anti-slip.

[0015] Preferably, a limiting column for fixing is inserted into the upper end of the support rod, and the limiting column passes through one side of the support rod and is threadedly connected to the inside of the telescopic rod.

[0016] Preferably, a fastening block for limiting position is fixedly connected to one end of the telescopic rod, and a clamping hole for positioning is provided at the upper end of the telescopic rod.

[0017] Preferably, a pin for fastening is inserted into the side surface of the fastening block, and one end of the pin is threadedly connected with a fastening cover for fixing.

[0018] (III) Beneficial effects

[0019] The utility model provides a foundation pit support structure for construction engineering, which has the following beneficial effects:

[0020] 1. The foundation pit support structure of the construction project is arranged through the coordination of telescopic rods and support rods. After the workers fit the vertical plates inside the foundation pit to provide basic support for the entire foundation pit system, according to the width of the foundation pit, the telescopic rods inserted on both sides of the support rods are pulled to make it reach a width suitable for the foundation pit, and the vertical plates on the inner wall of the foundation pit are supported and limited to make it more stable, further improving the practicality of the device and avoiding the need to customize the length of the support rods of the device according to the length of the foundation pit.

[0021] 2. The foundation pit support structure of the construction project, through the coordinated setting of the connecting block, the rotating shaft and the connecting frame, can more conveniently connect two identical vertical plates when the staff use the vertical plates, so that when the support rods support the vertical plates, the vertical plates are more evenly stressed, avoiding the problem of uneven stress area of ​​the vertical plates and collapse. At the same time, with the help of the setting of the rotating shaft, it is also convenient for the staff to adjust the position of the connected vertical plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the telescopic rod structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the vertical plate structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the limit foot structure of the utility model;

[0026] Figure 5 This is a schematic diagram of the card block structure of the utility model;

[0027] Figure 6 This is a schematic diagram of the fixing bolt structure of the utility model;

[0028] Figure 7 This is a schematic diagram of the positioning pin structure of the utility model.

[0029] In the figure: 1. vertical plate; 2. telescopic rod; 3. support rod; 4. connecting frame; 5. connecting block; 6. rotating shaft; 7. placement slot; 8. positioning block; 9. limiting foot; 10. connecting mechanism; 11. positioning plate; 12. threaded column; 13. nut; 14. limiting column; 15. fastening block; 16. pin; 17. fastening cover; 1001. clamping block; 1002. limiting plate; 1003. fixing bolt; 1004. positioning pin. DETAILED DESCRIPTION

[0030] 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. 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.

[0031] See also Figures 1 to 5 The utility model provides a technical solution: a construction engineering foundation pit support structure, which is mainly used for supporting and reinforcing the side walls of the foundation pit and the surrounding environment, including a vertical plate 1, a telescopic rod 2 for support connected by bolts on the side, a fastening block 15 for limiting position fixedly connected to one end of the telescopic rod 2, a card hole for positioning opened on the upper end of the telescopic rod 2, a pin 16 for fastening inserted on the side of the fastening block 15, a fastening cover 17 for fixing threadedly connected to one end of the pin 16, a support rod 3 for force-bearing sleeved on the outer surface of the telescopic rod 2, and a support rod 3 for bearing force. The upper end of the support rod 3 is plugged with a limit column 14 for fixing. The limit column 14 passes through one side of the support rod 3 and is threadedly connected to the inside of the telescopic rod 2. With the help of the fastening block 15 and the pin 16, the telescopic rod 2 can be more conveniently fixed to the side of the vertical plate 1 to prevent the telescopic rod 2 from loosening or shifting when subjected to force. At the same time, with the help of the setting of the fastening cover 17, the pin 16 inserted into the inside of the vertical plate 1 can be more conveniently fastened to prevent it from loosening and falling off. With the setting of the limit column 14, after the staff completes the adjustment of the telescopic rod 2, the telescopic rod 2 can be more conveniently fixed to the inside of the support rod 3;

[0032] See also Figures 1 to 7 One side of the vertical plate 1 is fixedly connected with a connecting frame 4 for limiting, the side of the vertical plate 1 is fixedly connected with a placement groove 7 for limiting, the side of the vertical plate 1 is fixedly connected with a positioning block 8 for connection, the side of the positioning block 8 is clamped with a limiting foot 9 for support, the upper end of the limiting foot 9 is fixedly connected with a connecting mechanism 10 for fastening, the lower end of the limiting foot 9 is fixedly connected with a positioning plate 11 for fixing, the upper end of the positioning plate 11 is plugged with a threaded column 12 for fixing, and the other side of the vertical plate 1 is fixedly connected with a connecting mechanism 10 for fixing. The connecting block 5, with the help of the placement groove 7, after the staff installs the vertical plate 1 on the inner wall of the foundation pit, the cement poured on the side of the vertical plate 1 can be more conveniently limited, so that the vertical plate 1 is more firmly and tightly connected to the foundation pit. With the help of the positioning block 8 and the connection mechanism 10, the limiting foot 9 can be more conveniently fixed on the side of the vertical plate 1. With the help of the setting of the limiting foot 9, the vertical plate 1 can be supported. With the help of the matching setting of the positioning plate 11 and the threaded column 12, the limiting foot 9 can be more firmly installed on the ground.

[0033] See also Figures 1 to 6The upper end of the connecting frame 4 is plugged with a rotating shaft 6 for fixing, and one end of the rotating shaft 6 is threadedly connected with a nut 13 for tightening. The outer surface of the nut 13 is provided with friction patterns for anti-slip. The rotating shaft 6 passes through one side of the connecting frame 4 and is plugged into the interior of the rotating shaft 6. With the help of the setting of the nut 13, one end of the rotating shaft 6 can be limited more conveniently to avoid the problem of the rotating shaft 6 falling off.

[0034] Embodiment 1;

[0035] The connection mechanism 10 includes a clamping block 1001. The upper end of the limiting foot 9 is fixedly connected with the clamping block 1001 for limiting. With the arrangement of the clamping block 1001, it is convenient for the staff to remove the limiting foot 9 from the inside of the positioning block 8.

[0036] Embodiment 2:

[0037] The connection mechanism 10 includes a limit plate 1002 and a fixing bolt 1003. The upper end of the limit foot 9 is fixedly connected with the limit plate 1002 for positioning. The upper end of the limit plate 1002 is plugged with a fixing bolt 1003 for fastening. With the cooperation of the limit plate 1002 and the fixing bolt 1003, the limit foot 9 and the positioning block 8 can be connected more firmly and tightly.

[0038] Embodiment three;

[0039] The connecting mechanism 10 includes a limit plate 1002 and a positioning pin 1004. The upper end of the limit foot 9 is fixedly connected with the limit plate 1002 for positioning, and the upper end of the limit plate 1002 is fixedly connected with the positioning pin 1004 for limiting. With the help of the coordinated setting of the limit plate 1002 and the positioning pin 1004, the limit foot 9 can be installed more conveniently.

[0040] In the utility model, the working steps of the device are as follows:

[0041] First, fit the vertical board 1 on the inner wall of the foundation pit. If the foundation pit is large or requires multiple vertical boards 1 for support, you can use the connecting block 5 and the connecting frame 4 to pre-assemble the vertical board 1, and adjust the angle and position between the vertical boards 1 through the rotating shaft 6 to adapt to the shape and size of the foundation pit. According to the width of the foundation pit, adjust the length of the telescopic rod 2 so that it can fully extend and contact the inner wall on the other side of the foundation pit or reach the predetermined supporting position, support and limit the vertical board 1, and use the limiting foot 9 to enhance the stability and supporting force of the vertical board 1.

[0042] Although 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 foundation pit support structure for a construction project, comprising a vertical plate (1) whose side is connected by bolts to a telescopic rod (2) for support, characterized in that: The outer surface of the telescopic rod (2) is sleeved with a support rod (3) for bearing force, one side of the vertical plate (1) is fixedly connected with a connection frame (4) for limiting position, the other side of the vertical plate (1) is fixedly connected with a connection block (5) for fixing, the upper end of the connection frame (4) is plugged with a rotating shaft (6) for fixing, and the rotating shaft (6) passes through one side of the connection frame (4) and is plugged into the interior of the rotating shaft (6).

2. A construction engineering foundation pit support structure according to claim 1, characterized in that: A placement groove (7) for limiting position is fixedly connected to the side of the vertical plate (1), and a positioning block (8) for connection is fixedly connected to the side of the vertical plate (1).

3. A construction engineering foundation pit support structure according to claim 2, characterized in that: A limiting foot (9) for support is clamped on the side of the positioning block (8), and a connecting mechanism (10) for fastening is fixedly connected to the upper end of the limiting foot (9).

4. A construction engineering foundation pit support structure according to claim 3, characterized in that: The lower end of the limiting foot (9) is fixedly connected to a positioning plate (11) for fixing, and the upper end of the positioning plate (11) is plugged with a threaded column (12) for fixing.

5. A construction engineering foundation pit support structure according to claim 1, characterized in that: One end of the rotating shaft (6) is threadedly connected with a nut (13) for fastening, and the outer surface of the nut (13) is provided with friction patterns for preventing slipping.

6. A construction engineering foundation pit support structure according to claim 1, characterized in that: A limiting column (14) for fixing is inserted at the upper end of the support rod (3); the limiting column (14) passes through one side of the support rod (3) and is threadedly connected to the inside of the telescopic rod (2).

7. A construction engineering foundation pit support structure according to claim 1, characterized in that: One end of the telescopic rod (2) is fixedly connected to a fastening block (15) for limiting position, and the upper end of the telescopic rod (2) is provided with a clamping hole for positioning.

8. A construction engineering foundation pit support structure according to claim 7, characterized in that: A pin (16) for fastening is inserted into the side surface of the fastening block (15), and one end of the pin (16) is threadedly connected to a fastening cover (17) for fixing.

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