Building foundation pit supporting device

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to a building foundation pit supporting device which comprises a supporting base, an upper assembling head is fixed to the top of the supporting base, an assembling vertical rod is arranged at the upper end of the upper assembling head in a sleeved mode, and a limiting hoop and a supporting hoop are assembled on the outer wall of the assembling vertical rod in a sleeved mode. A supporting vertical plate is assembled on the front side of the limiting hoop in a clamped mode, a supporting back rod is assembled on the rear side of the supporting hoop, a lower inserting head is fixed to the bottom of the supporting base, an expansion inserting rod is assembled at the lower end of the lower inserting head in a sleeving mode, and an extension bottom plate is assembled on the rear side of the supporting base through an extension hinge shaft. According to the utility model, auxiliary expansion, insertion, assembly and support can be conveniently carried out according to the scale of a foundation pit during assembly, so that the assembly construction is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a building foundation pit support device. Background Art

[0002] The foundation pit is a soil pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. The building foundation pit is for the underground structure of the building. During the construction process, due to the loss of original soil support and underground pipe bursts, the building foundation pit is prone to collapse, affecting the safety of the structure and construction personnel. Therefore, a support structure is used to support the easily collapsed foundation pit wall;

[0003] In this regard, China's patent application announcement number: CN219240558U discloses a building foundation pit support structure, which relates to the technical field of foundation pit support, including several groups of reinforcement mechanisms, several groups of support mechanisms and two symmetrically arranged support plates, each group of the reinforcement mechanisms includes two reinforcement members, a reinforcement shaft and two threaded shafts, and each group of the support mechanisms includes a first support rod, a second support rod and a support member. In the utility model, the foundation pit support structure is easy to install and disassemble, does not require welding, and is relatively easy to use. Through multiple groups of reinforcement mechanisms and multiple groups of support mechanisms, it can not only reinforce various positions of the support plate to prevent the support plate from being bent due to pressure and unable to support the foundation pit normally, but also support the reinforcement shaft, thereby increasing the stability of the foundation pit support structure;

[0004] However, the existing foundation pit support is inconvenient to carry out auxiliary expansion and insertion of assembly supports according to the size of the foundation pit during assembly, which affects the efficiency of assembly and use;

[0005] Therefore, in order to solve the above problems, a construction foundation pit supporting device is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a building foundation pit support device to solve the problem in the above-mentioned background technology that the existing foundation pit support is inconvenient to carry out auxiliary expansion and insertion of assembly supports according to the size of the foundation pit during assembly, which affects the assembly efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction foundation pit support device, including a support base, an upper assembly head is fixed on the top of the support base, the upper end of the upper assembly head is sleeved with an assembly vertical pole, the outer wall of the assembly vertical pole is sleeved with a limit clamp and a support clamp, the front side of the limit clamp is clamped with a support vertical plate, the rear side of the support clamp is equipped with a support back rod, a lower insertion head is fixed to the bottom of the support base, the lower end of the lower insertion head is sleeved with an expansion insertion rod, and the rear side of the support base is equipped with an extended bottom plate through an extended hinge shaft.

[0008] Preferably, an upper assembly pin is fixed on the top of the upper assembly head, an upper assembly hole corresponding to the upper assembly pin is opened inside the assembly vertical rod, the lower end of the assembly vertical rod and the lower end of the upper assembly head are assembled and fixed by assembly bolts, and an expansion pin is integrally provided on the top of the assembly vertical rod.

[0009] Preferably, the outer wall of the assembly vertical rod is provided with an assembly limit groove corresponding to the limit clamp and the support clamp, the front side of the limit clamp is integrally provided with a support clamp, the front end of the support clamp is integrally provided with a front card, and the side of the support clamp close to the limit clamp is integrally provided with a rear card, the support vertical plate is clamped between the rear card and the front card, and the front side of the support vertical plate is provided with a limit groove corresponding to the front card.

[0010] Preferably, an upper hinge seat is fixedly welded to the rear side of the support hoop, and the interior of the upper hinge seat is hinged to the upper end of the support back rod via a hinge pin.

[0011] Preferably, auxiliary plug holes are provided on both sides of the extended bottom plate, an auxiliary plug plate is hinged inside the auxiliary plug hole, an auxiliary limiting pin is inserted inside the auxiliary plug plate, an auxiliary through hole corresponding to the auxiliary limiting pin is provided inside the auxiliary plug plate, a lower hinge seat is welded on the top of the auxiliary limiting pin, and the lower hinge seat is hinged to the lower end of the supporting back rod through a hinge pin.

[0012] Preferably, the rear side of the extended bottom plate is hinged to an extended bottom plate via an extended hinge shaft, and the extended bottom plate and the extended bottom plate have the same internal configuration, and both the rear side of the extended bottom plate and the rear side of the extended bottom plate are provided with an extended groove.

[0013] Preferably, the bottom end of the lower insert head is integrally provided with a docking screw head, the internal thread of the expansion rod is connected with a docking screw groove, the bottom end of the expansion rod is integrally provided with an expansion screw head consistent with the docking screw head, the upper part of the lower insert head and the upper part of the expansion rod are assembled and fixed by fastening bolts, and the lower part of the expansion rod is provided with a fastening hole corresponding to the fastening bolt.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model facilitates auxiliary expansion and insertion of assembly supports according to the size of the foundation pit during assembly, making assembly construction more convenient;

[0015] The utility model is provided with an upper assembly head and an assembly upright, which is convenient for combined sleeve assembly according to the use height requirements during assembly. At the same time, with the cooperation of the limit clamp and the support clamp, it is convenient to carry out auxiliary maintenance of the side, so that the supporting effect is better. Through this design, the convenience and practicality of the building foundation pit supporting device are improved.

[0016] The utility model is provided with a support hoop and an extended bottom plate, which is convenient for auxiliary support through the support back rod. At the same time, with the cooperation of the lower insertion head and the expansion insertion rod, it is convenient to insert deeper according to the soil requirements during support, making it more stable when used. Through this design, the convenience and practicality of the building foundation pit support device are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic side cross-sectional view of the structure of the utility model;

[0018] Figure 2 It is a rear view schematic diagram of the structure of the utility model;

[0019] Figure 3 It is a top view schematic diagram of the local structure of the extended bottom plate of the utility model;

[0020] Figure 4 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 5 For this utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0022] Figure 6 For this utility model Figure 1 A magnified schematic diagram of the structure at C in the middle;

[0023] In the figure: 100, support base; 110, support vertical plate; 111, limit slot; 200, upper assembly head; 201, upper assembly pin; 202, upper assembly hole; 203, assembly bolt; 210, assembly vertical rod; 211, expansion pin; 220, limit clamp; 221, support clamp; 222, rear clamp; 223, front clamp; 230, support clamp; 231, support back rod; 232, upper hinge seat; 233, lower hinge seat; 24 0. Assembly limit groove; 300. Lower plug-in head; 301. Docking screw head; 302. Docking screw groove; 310. Extension plug rod; 311. Extension screw head; 320. Fastening bolt; 321. Fastening socket; 400. Extended bottom plate; 401. Extended hinge axis; 402. Extension groove; 410. Auxiliary socket; 420. Auxiliary plug plate; 421. Auxiliary through hole; 430. Auxiliary limit pin; 440. Extended bottom plate; 441. Extended hinge axis. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 , an embodiment provided by the utility model:

[0026] A construction foundation pit support device comprises a support base 100, an upper assembly head 200 is fixed on the top of the support base 100, an assembly vertical rod 210 is sleeved on the upper end of the upper assembly head 200, a limited clamp 220 and a support clamp 230 are sleeved on the outer wall of the assembly vertical rod 210, a support vertical plate 110 is clamped and assembled on the front side of the limited clamp 220, and a support back rod 231 is assembled on the rear side of the support clamp 230, a lower plug-in head 300 is fixed on the bottom of the support base 100, an expansion plug-in rod 310 is sleeved on the lower end of the lower plug-in head 300, and an extended bottom plate 400 is assembled on the rear side of the support base 100 through an extended hinge shaft 401;

[0027] Furthermore, an upper assembly pin 201 is fixed on the top of the upper assembly head 200, an upper assembly hole 202 corresponding to the upper assembly pin 201 is opened inside the assembly vertical rod 210, the lower end of the assembly vertical rod 210 and the lower end of the upper assembly head 200 are assembled and fixed by an assembly bolt 203, and an expansion pin 211 is integrally provided on the top of the assembly vertical rod 210. Through this design, it is convenient to assemble and tighten the auxiliary sleeve of the assembly vertical rod 210;

[0028] Furthermore, an assembly limit groove 240 corresponding to the limit clamp 220 and the support clamp 230 is provided on the outer wall of the assembly upright 210, a support clamp 221 is integrally provided on the front side of the limit clamp 220, a front card 223 is integrally provided on the front end of the support clamp 221, a rear card 222 is integrally provided on the side of the support clamp 221 close to the limit clamp 220, the support upright 110 is clamped between the rear card 222 and the front card 223, and a limit clamp groove 111 corresponding to the front card 223 is provided on the front side of the support upright 110. Through this design, it is convenient to perform auxiliary clamping and assembly, so that it is not easy to slip in subsequent use;

[0029] Furthermore, an upper hinge seat 232 is fixedly welded to the rear side of the support hoop 230, and the interior of the upper hinge seat 232 is hinged to the upper end of the support back rod 231 through a hinge pin. This design facilitates the assembly and active rotation of the upper end of the support back rod 231, and facilitates subsequent insertion and use;

[0030] Further, auxiliary plug holes 410 are provided on both sides of the extended bottom plate 400, and auxiliary plug plates 420 are hinged inside the auxiliary plug holes 410, and auxiliary limit pins 430 are inserted inside the auxiliary plug plates 420, and auxiliary through holes 421 corresponding to the auxiliary limit pins 430 are provided inside the auxiliary plug plates 420, and a lower hinge seat 233 is welded on the top of the auxiliary limit pins 430, and the lower hinge seat 233 is hinged to the lower end of the support back rod 231 through the hinge pin. Through this design, it is convenient to insert the auxiliary limit pins 430, to limit the extended bottom plate 400, and to support the support back rod 231;

[0031] Furthermore, the rear side of the extended bottom plate 400 is hinged with the extended bottom plate 440 through the extended hinge shaft 441, and the extended bottom plate 440 has the same internal configuration as the extended bottom plate 400. The rear side of the extended bottom plate 400 and the rear side of the extended bottom plate 440 are both provided with an extended groove 402. This design facilitates the expansion and extension of the support base 100 and the extended bottom plate 400, making the use more convenient.

[0032] Furthermore, a docking screw head 301 is integrally provided at the bottom end of the lower insertion head 300, a docking screw groove 302 is connected to the internal thread of the expansion rod 310, and an expansion screw head 311 consistent with the docking screw head 301 is integrally provided at the bottom end of the expansion rod 310. The upper part of the lower insertion head 300 and the upper part of the expansion rod 310 are assembled and fixed by fastening bolts 320, and a fastening hole 321 corresponding to the fastening bolt 320 is opened at the lower part of the expansion rod 310. Through this design, the auxiliary assembly and insertion of the support base 100 is facilitated, making the subsequent use more stable.

[0033] Working principle: When assembling and using the building foundation pit maintenance, according to the solidity of the soil inside the foundation pit, choose to assemble the expansion plug rod 310, assemble the expansion plug rod 310 at the lower part of the lower plug head 300, and then insert the expansion plug rod 310 into the soil at the bottom of the foundation pit to facilitate the support and stability of the support base 100. Further, with the cooperation of the upper assembly head 200, the assembly vertical rod 210 is sleeved and assembled and fixed. According to the depth of the foundation pit support, a corresponding number of assembly vertical rods 210 need to be assembled to meet its use height, and then the corresponding support vertical plate 110 is assembled as needed, and the limit clamp 220 and the support clamp 230 are respectively sleeved on the installation vertical plate 110. The supporting rod 210 is assembled at a suitable position, which is convenient for the support assembly of the supporting plate 110 and the maintenance of the side wall of the foundation pit. At the same time, with the cooperation of the supporting back rod 231, the extended bottom plate 400 extended by the extended hinge shaft 401 is used to insert the auxiliary limiting pin 430 into the auxiliary plug plate 420, which is convenient for supporting the supporting back rod 231 as needed, so that the supporting back rod 231 is convenient for supporting and stabilizing the rear side of the assembly pole 210. At the same time, the auxiliary limiting pin 430 is convenient for the limiting assembly of the extended bottom plate 400, and is also convenient for the maintenance of the bottom of the foundation pit, so as to facilitate the expansion support assembly according to needs. The operation ends here.

[0034] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A construction foundation pit support device, comprising a support base (100), characterized in that: An upper assembly head (200) is fixed on the top of the support base (100); an assembly vertical rod (210) is sleeved on the upper end of the upper assembly head (200); a limit clamp (220) and a support clamp (230) are sleeved on the outer wall of the assembly vertical rod (210); a support vertical plate (110) is clamped and mounted on the front side of the limit clamp (220); a support back rod (231) is mounted on the rear side of the support clamp (230); a lower insertion head (300) is fixed on the bottom of the support base (100); an expansion insertion rod (310) is sleeved on the lower end of the lower insertion head (300); and an extended bottom plate (400) is mounted on the rear side of the support base (100) via an extended hinge shaft (401).

2. A construction foundation pit support device according to claim 1, characterized in that: An upper assembly pin (201) is fixed to the top of the upper assembly head (200), an upper assembly hole (202) corresponding to the upper assembly pin (201) is provided inside the assembly vertical rod (210), the lower end of the assembly vertical rod (210) and the lower end of the upper assembly head (200) are assembled and fixed by means of assembly bolts (203), and an expansion pin (211) is integrally provided at the top of the assembly vertical rod (210).

3. A construction foundation pit support device according to claim 1, characterized in that: The outer wall of the assembly vertical rod (210) is provided with an assembly limit groove (240) corresponding to the limit clamp (220) and the support clamp (230); the front side of the limit clamp (220) is integrally provided with a support clamp (221); the front end of the support clamp (221) is integrally provided with a front card (223); the side of the support clamp (221) close to the limit clamp (220) is integrally provided with a rear card (222); the support vertical plate (110) is clamped between the rear card (222) and the front card (223); the front side of the support vertical plate (110) is provided with a limit groove (111) corresponding to the front card (223).

4. A construction foundation pit support device according to claim 1, characterized in that: An upper hinge seat (232) is fixedly welded to the rear side of the support hoop (230), and the interior of the upper hinge seat (232) is hingedly connected to the upper end of the support back rod (231) via a hinge pin.

5. A construction foundation pit support device according to claim 1, characterized in that: Auxiliary plug holes (410) are provided on both sides of the extended bottom plate (400), an auxiliary plug plate (420) is hingedly connected inside the auxiliary plug hole (410), an auxiliary limit pin (430) is inserted inside the auxiliary plug plate (420), an auxiliary through hole (421) corresponding to the auxiliary limit pin (430) is provided inside the auxiliary plug plate (420), a lower hinge seat (233) is welded on the top of the auxiliary limit pin (430), and the lower hinge seat (233) is hingedly connected to the lower end of the support back rod (231) through the hinge pin.

6. A construction foundation pit support device according to claim 1, characterized in that: The rear side of the extended bottom plate (400) is hinged to the extended bottom plate (440) via an extended hinge shaft (441), and the extended bottom plate (440) and the extended bottom plate (400) have the same internal configuration, and the rear sides of the extended bottom plate (400) and the extended bottom plate (440) are both provided with an extended groove (402).

7. A construction foundation pit support device according to claim 1, characterized in that: The bottom end of the lower plug head (300) is integrally provided with a docking screw head (301), the expansion plug rod (310) is internally threadedly connected with a docking screw groove (302), the bottom end of the expansion plug rod (310) is integrally provided with an expansion screw head (311) consistent with the docking screw head (301), the upper part of the lower plug head (300) and the upper part of the expansion plug rod (310) are plugged, assembled and fixed by fastening bolts (320), and the lower part of the expansion plug rod (310) is provided with a fastening socket (321) corresponding to the fastening bolt (320).

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