Foundation pit support supporting structure

By designing splicing plugs and connecting hinges, and combining locking parts and expansion bolts for fixing, the problem of insufficient support strength in the foundation pit retaining structure was solved, achieving higher support strength and stability.

CN224106427UActive Publication Date: 2026-04-10HANDAN CHINA COAL GEOLOGICAL GENERAL BUREAU GUANGHUA GEOLOGICAL ENG CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing foundation pit retaining structure has gaps in the angle adjustment mechanism, which reduces the support strength and affects the support effect.

Method used

The design employs splicing plugs and connecting hinges. The retaining support plate is inserted into the splicing groove by bending it and fixed with locking parts and expansion bolts to enhance the support strength. The extension support plate is connected to the retaining support plate through the main connecting rod and the auxiliary connecting rod to improve the overall support force.

Benefits of technology

It reduces the gaps between retaining plates, improves the support strength of the pit wall, prevents the baffle from falling off, and adapts to the support requirements of different pit depths.

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Abstract

The utility model relates to the technical field of constructional engineering, in particular to a foundation pit enclosure supporting structure which comprises an enclosure supporting plate, and splicing grooves are formed in the two sides of the enclosure supporting plate respectively. During installation, one side of each enclosure support plate is inserted into the splicing plug-in to splice each edge enclosure baffle plate of the foundation pit one by one, and when the splicing plug-in at each edge corner in the foundation pit is spliced, each enclosure support plate is slightly bent; therefore, the splicing plug-ins needing to be inserted into the corners are bent to proper angles through the connecting hinges so that the splicing plug-ins can be inserted into the splicing grooves formed in the side walls of the enclosure supporting plates of the two corners, then the locking pieces penetrate through the through mounting holes to be inserted into the locking holes to complete connection and fixation, and gaps between the enclosure supporting plates are reduced; and the supporting strength of the foundation pit wall is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, specifically relates to a foundation pit support structure. BACKGROUND

[0002] The foundation pit is the soil pit that is excavated according to the foundation design position, foundation elevation and foundation plane size.Before excavation, the excavation scheme should be decided according to the geological and hydrological data, combined with the situation of nearby buildings, and the waterproof and drainage work should be done well.The soil slope can be stabilized by the method of putting the slope, and the slope size is determined according to the relevant construction regulations.The large foundation pit can even use the method of underground continuous wall and column type bored pile chain, etc., to prevent the collapse of the outside soil layer;If there is no influence on the nearby buildings, the well point method can be used to reduce the underground water level, and the slope excavation method can be used;In cold regions, natural cold air freezing method can be used for excavation, etc.

[0003] The utility model discloses a kind of foundation pit support structures, with the effect that angle between adjacent two support plates is conveniently adjusted, but the device will produce certain gap between each baffle in the process of using due to angle adjusting mechanism, and the supporting strength of pit wall will be reduced, so that the supporting effect of baffle is reduced.Therefore, we propose a kind of foundation pit support structure. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a foundation pit support structure.

[0005] The utility model solves the technical problems employing the technical scheme that a kind of foundation pit support structure, including support board, the two sides of the support board are respectively provided with splicing slot, splicing insert piece is inserted in the splicing slot, the two side surfaces of the splicing insert piece are respectively provided with through installation hole, and the inside of the splicing slot is provided with the connection hinge that is matched with through installation hole;

[0006] The top of the support board is provided with connecting jack, the top of the support board is provided with auxiliary jack on the two sides of connecting jack, the inside of connecting jack is inserted with main connecting plug rod, the main connecting plug rod is integrally constructed in the middle of the bottom of extension support plate, and the two sides and top structure of extension support plate are same with support board.

[0007] Through adoption of the technical scheme, the edge retaining baffle of each edge of the foundation pit is spliced one by one by inserting the retaining branch plate on one side into the splicing plug during installation, when the splicing plugs at each edge corner inside the foundation pit are spliced, each retaining branch plate is slightly bent, so that the splicing plug needed to be inserted at the corner is bent to a suitable angle by the connecting hinge, thereby being able to be inserted into the splicing slot opened in the side wall of the retaining branch plate at two corners, then the locking member is inserted into the locking hole through the through installation hole to complete the connection and fixation, the gap between each retaining branch plate is reduced, and the support strength of the foundation pit wall is improved.

[0008] First, the main connecting plug rod and the auxiliary plug rod at the bottom end of the extension branch plate are inserted into the auxiliary insertion hole and the connecting insertion hole opened at the top end of the retaining branch plate, then the connecting hole is screwed to complete the overall connection and fixation, according to the depth of the foundation pit, a plurality of extension branch plates are installed to adapt to the equipment, and the extension fixing plate is used to improve the support strength of the bottommost retaining branch plate on the overall baffle, so that the top is not too heavy and the baffle is prevented from falling.

[0009] Specifically, the bottom insertion column is integrally arranged at the bottom end of the retaining branch plate on both sides.

[0010] Through adoption of the technical scheme, the insertion hole corresponding to the bottom insertion column at the bottom end of the retaining branch plate is opened on the ground, the bottom insertion column is inserted into the ground, then the anchoring hole corresponding to the extension fixing plate is opened, and the retaining branch plate is fixed by the expansion bolt in cooperation with the bottom insertion column.

[0011] Specifically, the connecting hinge is arranged at the center of the splicing plug.

[0012] Through adoption of the technical scheme, the retaining branch plate installed at the corner is handled by the connecting hinge during use.

[0013] Specifically, the auxiliary plug rod is integrally arranged at the bottom end of the extension branch plate on both sides of the main connecting plug rod.

[0014] Through adoption of the technical scheme, after the extension branch plate is installed, the extension branch plate is installed at the top end of the retaining branch plate by cooperation of the auxiliary plug rod and the auxiliary main connecting plug rod.

[0015] Specifically, the connecting hole is opened in the side wall of the retaining branch plate at the positions corresponding to the auxiliary insertion hole, the connecting insertion hole, the main connecting plug rod and the auxiliary plug rod.

[0016] Through adoption of the technical scheme, when the extension branch plate needs to be installed, the main connecting plug rod and the connecting insertion hole are locked with the auxiliary plug rod and the auxiliary insertion hole by screwing the bolt into the connecting hole.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The technical scheme of the present application inserts the side of the retaining support plate into the splicing plug to splice each edge retaining baffle of the foundation pit one by one, when the splicing plugs at each edge corner inside the foundation pit are spliced, each retaining support plate is slightly bent, so that the splicing plug to be inserted at the corner is bent to a suitable angle by the connecting hinge, thereby being inserted into the splicing slot opened in the side wall of the two corner retaining support plates, then the locking member is inserted into the locking hole through the through installation hole to complete the connection and fixation, the gap between each retaining support plate is reduced, and the support strength of the foundation pit wall is improved;

[0019] First, the main connecting plug rod and the auxiliary plug rod at the bottom end of the extension support plate are inserted into the auxiliary insertion hole and the connecting insertion hole opened at the top end of the retaining support plate, then the connecting hole is screwed in to complete the overall connection and fixation, according to the depth of the foundation pit, a plurality of extension support plates are installed to adapt to the equipment, and the extension fixing plate is used to improve the support strength of the bottommost retaining support plate to the overall baffle, so that the top does not fall off due to excessive weight. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application will be further described below in combination with the drawings and embodiments.

[0021] Fig. 1 It is an isometric view of the present application;

[0022] Fig. 2 It is a schematic view of the connection structure between the maintenance support plate and the splicing plug of the present application;

[0023] Fig. 3 It is a schematic view of the connection structure between the retaining support plate and the extension support plate of the present application;

[0024] In the drawings: 1, retaining support plate; 2, splicing slot; 3, locking hole; 4, splicing plug; 5, through installation hole; 6, connecting hinge; 7, bottom insertion column; 8, extension fixing plate; 9, auxiliary insertion hole; 10, connecting insertion hole; 11, main connecting plug rod; 12, extension support plate; 13, auxiliary plug rod; 14, connecting hole. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in combination with specific embodiments.

[0026] Please refer to Figs. 1-3 The embodiment of the present application provides a technical scheme: a foundation pit retaining support structure, comprising a retaining support plate 1, the two sides of the retaining support plate 1 are respectively provided with a splicing slot 2, a splicing plug 4 is inserted into the splicing slot 2, the two side surfaces of the splicing plug 4 are respectively provided with a through installation hole 5, and the inside of the splicing slot 2 is provided with a connecting hinge 6 matched with the through installation hole 5;

[0027] The top end of the enclosure support plate 1 is provided with a connecting jack 10, and the top end of the enclosure support plate 1 is provided with auxiliary jacks 9 on both sides of the connecting jack 10. The inside of the connecting jack 10 is inserted with a main connecting jack 11, which is integrally constructed at the middle of the bottom end of the extension support plate 12, and the structure of the two sides and the top end of the extension support plate 12 is the same as that of the enclosure support plate 1.

[0028] In use, each edge enclosure baffle of the foundation pit is spliced by inserting one side of the enclosure support plate 1 into the splicing plug 4 during installation, and when the splicing plug 4 at each corner of the inside of the foundation pit is spliced, each enclosure support plate 1 is slightly bent, so that the splicing plug 4 to be inserted at the corner is bent to the appropriate angle by the connecting hinge 6 to be inserted into the splicing slot 2 opened on the side wall of the two corners of the enclosure support plate 1, and then the locking member is inserted into the locking hole 3 through the through mounting hole 5 to complete the connection and fixation, thereby reducing the gap between each enclosure support plate 1 and improving the support strength of the foundation pit wall.

[0029] First, the main connecting jack 11 and the auxiliary jack 13 at the bottom end of the extension support plate 12 are inserted into the auxiliary jack 9 and the connecting jack 10 opened at the top end of the enclosure support plate 1, and then the connecting hole 14 is screwed in to complete the overall connection and fixation. According to the depth of the foundation pit, a plurality of extension support plates 12 are installed to adapt to the equipment, and the extension fixing plate 8 is used to improve the support strength of the bottommost enclosure support plate 1 to the overall baffle to avoid the top being too heavy and causing the baffle to fall off.

[0030] As shown in the figure, the bottom end of the enclosure support plate 1 is integrally provided with a bottom plug 7 on both sides, and the bottom end of the enclosure support plate 1 is integrally provided with an extension fixing plate 8 on one side for fixation.

[0031] In use, a jack hole corresponding to the bottom plug 7 at the bottom end of the enclosure support plate 1 is first opened on the ground, and then the bottom plug 7 is inserted into the ground, and then an anchor hole is opened corresponding to the extension fixing plate 8, and then the enclosure support plate 1 is fixed by expanding bolts cooperating with the bottom plug 7.

[0032] As shown in the figure, the splicing plug 4 is provided with a connecting hinge 6 in the middle for easy storage and folding.

[0033] In use, the connecting hinge 6 is used to install the enclosure support plate 1 at the corner during use.

[0034] As shown in the figure, the bottom end of the extension support plate 12 is integrally provided with an auxiliary jack 13 on both sides of the main connecting jack 11.

[0035] In use, after the extension support plate 12 is installed, the auxiliary jack 13 cooperates with the auxiliary main connecting jack 11 to install the extension support plate 12 on the top end of the enclosure support plate 1.

[0036] As shown in the figure, the side wall of the surrounding support plate 1 is provided with a connecting hole 14 at the position corresponding to the auxiliary insertion hole 9 and the connecting insertion hole 10 and the main connecting insertion rod 11 and the auxiliary insertion rod 13.

[0037] In use, when it is necessary to install the extension support plate 12, the main connecting insertion rod 11 and the connecting insertion hole 10 are locked with the auxiliary insertion rod 13 and the auxiliary insertion hole 9 by screwing the bolt into the connecting hole 14.

[0038] The working principle and use process of the utility model are as follows: in installation, the surrounding support plate 1 is inserted into the splicing plug-in 4 to splice each edge surrounding support plate of the foundation pit, when the splicing plug-in 4 of each edge corner in the foundation pit is spliced, each surrounding support plate 1 is slightly bent, so that the splicing plug-in 4 needed to be inserted is bent to the appropriate angle through the connecting hinge 6 to be inserted into the splicing groove 2 in the side wall of the surrounding support plate 1, then the locking piece is inserted into the locking hole 3 through the through mounting hole 5 to complete the connection and fixation, the gap between each surrounding support plate 1 is reduced, the support strength of the foundation pit wall is improved, the bottom insertion hole of the bottom insertion column 7 corresponding to the bottom end of the surrounding support plate 1 is first opened on the ground, the bottom insertion column 7 is inserted into the ground, then the anchoring hole corresponding to the extension fixed plate 8 is opened, and the surrounding support plate 1 is fixed through the expansion bolt cooperating with the bottom insertion column 7, the main connecting insertion rod 11 and the auxiliary insertion rod 13 at the bottom end of the extension support plate 12 are aligned with the auxiliary insertion hole 9 and the connecting insertion hole 10 opened at the top end of the surrounding support plate 1 and inserted, then the connecting hole 14 is screwed to complete the overall connection and fixation, according to the depth of the foundation pit, a plurality of extension support plates 12 are installed to adapt to the equipment, and the support strength of the bottommost surrounding support plate 1 to the overall baffle plate is improved through the extension fixed plate 8, so that the baffle plate is prevented from falling due to excessive weight at the top.

[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A foundation pit retaining and shoring structure, characterized by, The utility model relates to a building support plate, its both sides are provided with splicing slot (2), and the inside of splicing slot (2) is inserted with splicing insert (4), and the both sides surface of splicing insert (4) is provided with through mounting hole (5), and the inside of splicing slot (2) is provided with the connecting hinge (6) that is in accord with through mounting hole (5). The top of the building support plate (1) is provided with a connecting jack (10), and the top of the building support plate (1) is provided with an auxiliary jack (9) on both sides of the connecting jack (10), the inside of the connecting jack (10) is inserted with a main connecting jack (11), the main connecting jack (11) is integrally formed at the bottom of the extension support plate (12), and the both sides and the top of the extension support plate (12) are the same as the building support plate (1).

2. A retaining structure according to claim 1, wherein The bottom of the building support plate (1) is integrally provided with a bottom plug column (7) on both sides, and the bottom of the building support plate (1) is integrally provided with an extension fixing plate (8) on one side for fixing.

3. A retaining structure according to claim 1, wherein The splicing insert (4) is provided with a connecting hinge (6) in the middle for easy storage and folding.

4. The retaining structure according to claim 1, wherein The bottom of the extension support plate (12) is integrally provided with an auxiliary jack (13) on both sides of the main connecting jack (11).

5. The retaining structure according to claim 1, wherein The sidewall of the building support plate (1) is provided with a connecting hole (14) corresponding to the auxiliary jack (9), the connecting jack (10), the main connecting jack (11), and the auxiliary jack (13).

Citation Information

Patent Citations

  • Foundation pit support structure

    CN219343229U