CN220704548U - Building foundation pit support - Google Patents

Abstract

The utility model relates to the technical field of building construction equipment, in particular to a building foundation pit support. The utility model provides a building foundation pit support, includes the base plate, articulates the backplate on the base plate, sets up the bracing piece between base plate and backplate, backplate both sides are provided with the spliced pole, spliced pole both sides fixed connection, the interlock groove of C shape has been seted up to backplate both sides, the spliced pole inserts the embedding the interlock groove. The device can connect adjacent support plates to form a whole, thereby supporting the side wall of the foundation pit more stably; the supporting rod of the device can be stored in the substrate, and when the device is stored, the supporting plate can be completely attached to the substrate, so that the space occupation ratio of the device is reduced, and the device is convenient to transport and store.

Description

Building foundation pit support

Technical Field

The utility model relates to the technical field of building construction equipment, in particular to a building foundation pit support.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the elevation of a substrate and the plane size of the foundation, and the foundation pit is required to be supported by the side wall of the foundation pit, namely, the side wall of the foundation pit is required to be supported, reinforced and protected according to geological hydrologic data and the conditions of buildings nearby the site in the construction process of the foundation of the building, so as to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit.

The existing building foundation pit supports mostly adopt support plates to be attached to the side wall of a foundation pit, but no connecting structure exists between adjacent support plates in the prior art, the support plates are only supported on the side wall of the foundation pit in parallel, the support plates are mutually independent, no whole is formed, and the shear strength and safety of the support structure are reduced.

Chinese patent CN202320138691.6 discloses a "building foundation pit supporting device", publication No. CN219045163U, which is composed of a plurality of supporting units, wherein each supporting unit includes a base, a plurality of templates mounted on the base, and a supporting assembly mounted on the outer side of the base. The templates can be arranged on the base side by side, and the templates are connected with the base through fixing bolts, so that the assembly and the disassembly are convenient. The supporting rod top of the supporting component is hinged with a clamping block, the outer side face of the template is provided with a supporting plate, the clamping block can be clamped on the supporting plate in a limiting mode, and the supporting rod fixedly supports a plurality of templates by means of the clamping block. However, this pit support has some drawbacks: the adjacent supporting units are not provided with connecting structures, the supporting units are mutually independent, the whole supporting structure cannot be formed, the safety shape of the supporting structure is reduced, and the water interception performance of the supporting units to the side wall of the foundation pit is also reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the building foundation pit support, which comprises a structure with head and tail connected with each other, has a simple connection structure, is convenient to operate, does not need a plurality of operators to cooperatively construct, improves the safety performance of the whole foundation pit support, and improves the construction efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a building foundation pit support, includes the base plate, articulates the backplate on the base plate, sets up the bracing piece between base plate and backplate, backplate both sides are provided with the spliced pole, spliced pole both sides fixed connection, the interlock groove of C shape has been seted up to backplate both sides, the spliced pole inserts the embedding the interlock groove.

By adopting the structural design, an operator places the device side by side, the supporting rods are used for supporting the supporting plates, the connecting columns are inserted into the engagement grooves on the adjacent supporting plates, the two adjacent supporting plates are connected, the supporting plates clung to the side walls of the foundation pit are connected to form a whole, the stability of supporting the side walls of the foundation pit is improved, the engagement grooves are arc-shaped grooves, and the resistance of the inserting columns in the engagement grooves is reduced.

Preferably, the bracing piece is including articulating on the inside wall of backplate the external screw rod, be in through threaded connection sleeve on the external screw rod, sleeve tip sets up the connecting rod, set up on the base plate and accomodate the groove, the tip of connecting rod is contradicted on accomodating the cell wall in groove.

By adopting the structural design, when the device is not used, an operator rotates the sleeve, so that the length of the supporting rod is reduced, and the supporting rod is correspondingly placed in the storage groove; when the device is used, after an operator overturns the support plate to be clung to the side wall of the foundation pit, the operator rotates the sleeve on the external threaded rod until the bottom end of the connecting rod can abut against the groove wall of the storage groove, so that the support plate is supported.

Preferably, the external threaded rod is provided with a reinforcing nut in threaded connection, and the bottom end of the external threaded rod is fixedly connected with a positioning chuck.

By adopting the structural design, the external threaded rod is prevented from being screwed out of the sleeve due to excessive rotation of an operator, the maximum length of the support column is limited, and the sleeve after rotation is prevented from loosening.

Preferably, the sleeve is internally provided with an annular groove, an annular clamping plate is fixedly connected to the outer side wall of the connecting rod, the clamping plate is clamped in the annular groove, the upper surface of the substrate is fixedly connected with a shackle, and the outer side wall of the connecting rod is fixedly connected with a hasp clamped with the shackle.

By adopting the structural design, when the hasp is clamped with the shackle, the sleeve is prevented from separating from the storage groove, so that the sleeve is stabilized on the substrate, when the sleeve rotates and the hasp corresponds to the shackle, the connecting rod is rotated, and the hasp corresponds to the shackle clamping position.

Preferably, the substrate is provided with an anchoring hole, a screw is arranged in the anchoring hole in a penetrating way, and the upper end of the screw is fixedly connected with the rotating disk.

By adopting the structural design, an operator rotates the rotary disk, and can drive the screw into the ground, so that the device is fixed on the ground, and the placement stability of the device is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1) Adjacent support plates can be connected to form a whole, so that the side wall of the foundation pit is supported more stably; there is no gap between adjacent support plates, so that the water interception performance of the side wall of the foundation pit is improved.

2) The support rod can be stored into the substrate, and when the device is stored, the support plate can be completely attached to the substrate, so that the space occupation ratio of the device is reduced, and the device is convenient to transport and store.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the support plate of the present utility model;

FIG. 3 is a schematic cross-sectional view of the support bar of the present utility model;

Detailed Description

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a building foundation pit support, includes that the cross-section is the base plate 2 of L shape, articulates the backplate 1 on base plate 2 through the articulated shaft, sets up bracing piece 4 between base plate 2 and backplate 1, backplate 1 both sides are provided with spliced pole 3, spliced pole 3 both sides welding grafting post 31, the interlock groove 11 of C shape has been seted up to backplate 1 both sides, grafting post 31 inserts the embedding interlock groove 11.

Referring to fig. 1 and 3, two groups of support rods 4 are hinged on the inner side wall of the support plate 1, a hinged fixed column 71 is welded on the inner side wall of the support plate 1, a hinged shaft 71 is welded on the inner side wall of the hinged fixed column 71, the support rods 4 are sleeved on the hinged shaft 72, the support rods 41 comprise externally threaded rods 41 sleeved on the hinged shaft 72, sleeves 42 are connected on the externally threaded rods 41 through threads, connecting rods 43 are arranged at the ends of the sleeves 42, a storage groove 48 is formed in the base plate 2, and the ends of the connecting rods 43 are abutted against the groove walls of the storage groove 48; the external threaded rod 41 is connected with a reinforcing nut 46 through threads, and a positioning chuck 47 is welded at the bottom end of the external threaded rod 41; an annular groove is formed in the bottom end of the sleeve 42, an annular clamping plate 49 is welded on the outer side wall of the connecting rod 43, and the clamping plate 49 is clamped in the annular groove; the upper surface of the base plate 2 is welded with a shackle 45, the outer side wall of the connecting rod 43 is welded with a hasp 44 engaged with the shackle 45, and the position of the support plate 1 corresponding to the shackle 45 is provided with a containing groove 8 capable of containing the shackle 45.

Anchoring holes are formed in four corner positions of the substrate 2, and screw nails 61 with upper ends welded with rotating discs 62 are inserted into the anchoring holes.

When the device is used, firstly, a constructor places a plurality of devices side by side along the side wall of a foundation pit, gaps between adjacent devices are consistent, the constructor turns the support plate 1 to be tightly attached to the side wall of the foundation pit, then rotates the sleeve 42 on the externally threaded rod 41 until the bottom end of the connecting rod 43 can prop against the groove wall of the containing groove 48, then rotates the connecting rod 43, and correspondingly installs the hasp 44 on the shackle 45 to clamp the hasp 44 on the shackle 45; the constructor rotates the screw 61 on the base plate 2 again to drive it into the ground to fix the device on the ground, and the constructor drives the connecting column 3 into the engagement groove of the adjacent support plate 1 to connect the adjacent support plates 1.

The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The utility model has been described above with reference to preferred embodiments, but the scope of the utility model is not limited thereto, and any and all technical solutions falling within the scope of the claims are within the scope of the utility model. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (5)

1. The utility model provides a building foundation pit support, includes base plate (2), articulates backplate (1) on base plate (2), sets up bracing piece (4) between base plate (2) and backplate (1), its characterized in that: the novel support plate is characterized in that connecting columns (3) are arranged on two sides of the support plate (1), plug-in columns (31) are fixedly connected on two sides of the connecting columns (3), C-shaped occluding grooves (11) are formed in two sides of the support plate (1), and the plug-in columns (31) are inserted into the occluding grooves (11).

2. A building foundation pit support according to claim 1, wherein: the supporting rod (4) comprises an external threaded rod (41) hinged to the inner side wall of the supporting plate (1), and a sleeve (42) connected to the external threaded rod (41) through threads, wherein a connecting rod (43) is arranged at the end of the sleeve (42), a containing groove (48) is formed in the base plate (2), and the end of the connecting rod (43) is abutted to the groove wall of the containing groove (48).

3. A building foundation pit support according to claim 2, wherein: the external threaded rod (41) is connected with a reinforcing nut (46) through threads, and the bottom end of the external threaded rod (41) is fixedly connected with a positioning chuck (47).

4. A building foundation pit support according to claim 2, wherein: the novel plastic packaging structure is characterized in that an annular groove is formed in the sleeve (42), an annular clamping plate (49) is fixedly connected to the outer side wall of the connecting rod (43), the clamping plate (49) is clamped in the annular groove, a hook ring (45) is fixedly connected to the upper surface of the base plate (2), a hasp (44) clamped with the hook ring (45) is fixedly connected to the outer side wall of the connecting rod (43), and a containing groove (8) for containing the hook ring (45) is formed in the supporting plate (1).

5. A building foundation pit support according to claim 1, wherein: an anchoring hole is formed in the base plate (2), a spiral nail (61) is arranged in the anchoring hole in a penetrating mode, and the upper end of the spiral nail (61) is fixedly connected with a rotary disc (62).