Foundation pit support device for civil building

Abstract

The invention relates to a civil building foundation pit enclosure device which comprises protection frames and protection plates arranged between the protection frames, the outer sides of the protection plates are connected with the side portions of the protection frames in an inserted mode, the two sides of the protection frames incline towards the front sides, trapezoidal columns are fixedly connected to the front sides of the protection frames, supporting rod sets are hinged to the trapezoidal columns through connecting assemblies, and length adjusting assemblies are arranged in the middles of the supporting rod sets. According to the device, the protective frame is adopted to fix the protective plate in the middle, mounting and dismounting are convenient, the length-adjustable supporting rod set can adjust the landing position of the supporting rod and the angle of the protective frame according to the actual situation, and the device is made to be better attached to the foundation pit wall.

Description

Technical Field

[0001] The present invention relates to the technical field of foundation pit retaining, and specifically relates to a foundation pit retaining device for civil buildings. Background Art

[0002] A foundation pit refers to the space below the ground excavated for the construction of the foundation and basement of a building (including structures). Foundation pit retaining is a support, reinforcement, and protection measure taken for the side wall of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

[0003] The current foundation pit retaining devices are cumbersome to operate during installation and disassembly, resulting in low installation efficiency, and the support angle of the guard plate is not easy to adjust; therefore, how to overcome the above existing technical problems and defects has become a key problem to be solved. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects described in the background art, so as to realize a foundation pit retaining device for civil buildings. This device uses a guard frame to fix the guard plate in the middle, which is convenient for installation and disassembly. The support rod group with adjustable length can adjust the landing position of the support rod and the angle of the guard frame according to the actual situation to make it more fitting to the foundation pit wall.

[0005] To achieve the above invention purpose, the technical solution of the present invention is: a foundation pit retaining device for civil buildings, including a guard frame and a guard plate arranged between the guard frames. The outer side of the guard plate is inserted into the side part of the guard frame. The two sides of the guard frame incline forward. A trapezoidal column is fixedly connected to the front side of the guard frame. A support rod group is hinged to the trapezoidal column through a connection component, and a length adjustment component is arranged in the middle of the support rod group.

[0006] Further, arc-shaped grooves with outer openings are formed on both sides of the guard frame, and connecting columns are fixed on both sides of the guard plate. The connecting columns match the structure of the arc-shaped grooves.

[0007] Further, the connection component includes a fixed seat, fixed ears, and a hinge seat. The fixed seat is slidably connected to the outer side of the trapezoidal column. Two fixed ears are installed in parallel on the front side of the fixed seat, and the hinge seat is hinged to the fixed ears.

[0008] Further, transverse positioning holes are evenly formed on the trapezoidal column, a transverse through hole corresponding to the positioning hole is formed on the fixed seat, and the fixed seat is fixed on the trapezoidal column through a transverse shaft.

[0009] Further, the support rod group includes an upper rod and a lower rod, and the upper rod and the lower rod are connected through a length adjustment component.

[0010] Further, the length adjustment component includes a middle tube, an upper tube, and a lower tube. The upper tube and the lower tube are both sleeved on the middle tube. The upper tube is threadedly connected to the upper rod, the lower tube is threadedly connected to the lower rod, and the thread directions of the upper rod and the lower rod are opposite.

[0011] Beneficial effects of the foundation pit retaining device for civil buildings of the present invention: For the foundation pit retaining device for civil buildings of the present invention, a guard frame is used to fix the guard plate. The guard frame plays a role in positioning and supporting the whole retaining structure. The guard plate and the guard frame are connected by a plug-in structure, with firm connection and no looseness. Moreover, the installation and disassembly operations are simple, which can effectively improve the installation efficiency of the foundation pit retaining. In addition, the trapezoidal column and the fixed seat can slide relatively up and down and are locked by a horizontal shaft, and the support position can be adjusted according to the actual situation in cooperation with the support rod group, which is very convenient. Brief Description of the Drawings

[0012] Figure 1 is a schematic structural view of the foundation pit retaining device for civil buildings of the present invention; Figure 2 is an enlarged schematic view of the position of the fixed seat in the present invention; Figure 3 is a schematic structural view of the length adjustment assembly in the present invention; In the figure: 1 - guard frame, 2 - guard plate, 3 - arc groove, 4 - trapezoidal column, 5 - positioning hole, 6 - fixed seat, 7 - horizontal shaft, 8 - fixed ear, 9 - hinge seat, 10 - upper rod, 11 - lower rod, 12 - middle pipe, 13 - limiting pipe, 14 - upper pipe, 15 - lower pipe. Detailed Embodiments

[0013] The foundation pit retaining device for civil buildings of the present invention will be described in more detail below with reference to the drawings and through specific embodiments.

[0014] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0015] Refer to Figures 1-3 , for the foundation pit retaining device for civil buildings in this embodiment, the device uses a guard frame to fix the guard plate in the middle, which is convenient for installation and disassembly. The support rod group with adjustable length can adjust the landing position of the support rod and the angle of the guard frame according to the actual situation to make it more conform to the foundation pit wall. It mainly includes a guard frame 1 and a guard plate 2 arranged between the guard frames 1. The two sides of the guard frame 1 are inclined forward. The outer side of the guard plate 2 is inserted into the side part of the guard frame 1. Arc grooves 3 with open outer sides are provided on both sides of the guard frame 1. Connecting columns are fixed on both sides of the guard plate 2. The connecting columns are matched with the structure of the arc grooves 3, and the connecting columns are inserted into the arc grooves 3 to realize the connection between the guard plate and the guard frame.

[0016] A trapezoidal column 4 is fixedly connected to the front side of the guard frame 1. A support rod group is hinged to the trapezoidal column 4 through a connection component. The connection component includes a fixed seat 6, a fixed ear 8 and a hinge seat 9. The fixed seat 6 is slidably connected to the outside of the trapezoidal column 4. Transverse positioning holes 5 are evenly formed in the trapezoidal column 4. A transverse through hole corresponding to the positioning hole 5 is formed in the fixed seat 6. The fixed seat 6 is fixed to the trapezoidal column 4 through a transverse shaft 7. Two fixed ears 8 are installed in parallel on the front side of the fixed seat 6. The hinge seat 9 is hinged to the fixed ear 8.

[0017] A length adjustment component is arranged in the middle of the support rod group. The support rod group includes an upper rod 10 and a lower rod 11. The upper rod 10 and the lower rod 11 are connected through the length adjustment component. A spike part is fixedly connected to the lower end of the lower rod 11. The length adjustment component includes a middle tube 12, an upper tube 14 and a lower tube 15. The upper tube 14 and the lower tube 15 are both sleeved on the middle tube 12 through a limiting tube 13. The upper tube 14 is threadedly connected to the upper rod 10. The lower tube 15 is threadedly connected to the lower rod 11. The thread directions of the upper rod 10 and the lower rod 11 are opposite.

[0018] During use, first place the guard frame and the guard plate in place according to actual requirements. During installation, insert the connecting columns on both sides of the guard plate into the arc-shaped grooves of the guard frame. The operation is simple and very convenient. According to the support angle of the guard plate and the fixed point position at the lower end of the support rod group, adjust the fixed seat to a suitable height, rotate the upper tube and the lower tube, and use the upper rod and the lower rod connected thereto in a threaded manner to adjust the length of the support rod group to a suitable length. Insert the spike part of the lower rod into the ground to ensure the safety of the support.

[0019] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings understood by those of ordinary skill in the art to which the present invention belongs. Words such as "including" or "comprising" and the like mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connected" or "linked" and the like are not limited to physical or mechanical connections, whether direct or indirect.

[0020] In the above, the exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments. However, those skilled in the art can understand that without departing from the concept of the present invention, various modifications and variations can be made to the above specific embodiments, and various combinations can be made to the technical features and structures proposed by the present invention, without exceeding the protection scope of the present invention.

Claims

1. A civil building foundation pit enclosure device, comprising a guard frame and a guard plate arranged between the guard frames, characterized in that: The outer side of the guard plate is plugged into the side of the guard frame, and both sides of the guard frame are inclined forward. A trapezoidal column is fixedly connected to the front side of the guard frame, and a support rod group is hinged on the trapezoidal column through a connecting component. A length adjustment component is arranged in the middle of the support rod group.

2. The civil building foundation pit enclosure device according to claim 1 is characterized in that: Arc-shaped grooves with outer openings are provided on both sides of the guard frame, and connecting columns are fixed on both sides of the guard plate, and the connecting columns match the arc-shaped groove structure.

3. The civil building foundation pit enclosure device according to claim 1 is characterized in that: The connection assembly comprises a fixing seat, a fixing ear and a hinge seat, wherein the fixing seat is slidably connected to the outer side of the trapezoidal column, two fixing ears are parallelly installed on the front side of the fixing seat, and the hinge seat is hinged to the fixing ear.

4. The civil building foundation pit enclosure device according to claim 3 is characterized in that: The trapezoidal column is evenly provided with transverse positioning holes, the fixing seat is provided with transverse through holes corresponding to the positioning holes, and the fixing seat is fixed on the trapezoidal column through a transverse axis.

5. The civil building foundation pit enclosure device according to claim 1 is characterized in that: The support rod group comprises an upper rod and a lower rod, and the upper rod and the lower rod are connected by a length adjustment component.

6. The civil building foundation pit enclosure device according to claim 5 is characterized in that: The length adjustment component comprises a middle tube, an upper tube and a lower tube, wherein the upper tube and the lower tube are both sleeved on the middle tube, the upper tube is threadedly connected to the upper rod, the lower tube is threadedly connected to the lower rod, and the thread directions of the upper rod and the lower rod are opposite.

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