Adjustable steel support system for building foundation pit combined support

Abstract

The utility model discloses building foundation pit combined support adjustable steel support system, it includes horizontal section type steel and oblique component: the surface fixed mounting of oblique component has connecting component, the surface of connecting component and horizontal section type steel all is provided with strip and clamping block, and the inner chamber of strip and clamping block is provided with bolt rod in common through -going, the utility model discloses through the rotation of screw rod in the inner wall of internal thread pipe, makes the effective length of internal thread pipe and screw rod can change, then through with strip fixed with horizontal section type steel and connecting component, makes internal thread pipe and screw rod can through ear block respectively with connecting component and horizontal section type steel fixed, can reach in the combined support increase oblique support component, makes the overall stability of building foundation pit combined support better, and through the moderate adjustment of the length of oblique support component, makes the applicability of support can improve the purpose.

Description

Technical Field

[0001] This utility model belongs to the field of building foundation pit technology, and in particular relates to an adjustable steel support system for combined support of building foundation pits. Background Technology

[0002] The forms of foundation pit support include: slope excavation, sheet pile support, soil nailing wall support, column-type cast-in-place pile support, diaphragm wall support, internal bracing or anchoring support, freezing method, reverse construction method, and combined support.

[0003] Composite support for building foundation pits consists of a rod system structure made up of steel sections, steel pipes, or composite section members, often constructed as trusses and lattice columns. In composite support, multiple levels of horizontal steel sections are installed on the surface of the pile-slab wall, and the connections of each lattice support component are mostly on the same plane. This results in slightly insufficient vertical connection tightness of the multi-level horizontal steel sections. Therefore, an adjustable steel support system for composite support of building foundation pits is needed. This system can add diagonal support components to the composite support, improving the overall stability of the composite support for building foundation pits. Furthermore, by appropriately adjusting the length of the diagonal support components, the applicability of the support can be improved. Utility Model Content

[0004] The purpose of this utility model is to provide an adjustable steel support system for combined support of building foundation pits. By adding diagonal support components to the combined support, the overall stability of the combined support of building foundation pits is improved. Furthermore, by appropriately adjusting the length of the diagonal support components, the applicability of the support is enhanced, thereby solving the technical problems mentioned in the background art.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: an adjustable steel support system for combined support of building foundation pits, which includes horizontal steel sections and inclined components: a connecting component is fixedly installed on the surface of the inclined component; strips and clamps are provided on the surfaces of the connecting component and the horizontal steel section; a bolt rod is provided through the inner cavity of the strips and clamps; a nut block is threadedly connected to the surface of the bolt rod; an ear block is integrally formed on the surface of the strip; an internally threaded tube is provided at the top of the connecting component; a threaded rod is threadedly connected to the inner wall of the internally threaded tube; and a connecting rotating block is rotatably connected to the end of the threaded rod.

[0006] Preferably, a washer is fitted on the surface of the bolt rod, and the washer is an elastic washer.

[0007] Preferably, the bottom end of the internally threaded tube is rotatably connected to the lug via a rotating shaft, and the connecting rotating block is rotatably connected to the lug via a rotating shaft.

[0008] Preferably, the surface of the threaded rod is integrally formed with a handle block.

[0009] Preferably, the horizontal steel section, the diagonal member, and the connecting member are all I-beam members.

[0010] The beneficial effects of this utility model are:

[0011] This invention achieves the goal of adding diagonal support components to the combined support, thereby improving the overall stability of the combined support for the building foundation pit. Furthermore, by appropriately adjusting the length of the diagonal support components, the applicability of the support is improved.

[0012] 2. By setting the washer, this utility model increases the friction on the surface of the nut block, preventing the nut block from loosening and falling off due to external vibration, thereby improving the stability of the connection between the bolt rod and the nut block;

[0013] 3. By setting up the handle block, this utility model increases the contact surface of the threaded rod, avoiding slippage when directly holding and rotating the threaded rod, thereby improving the stability when holding and rotating the threaded rod. Attached Figure Description

[0014] in:

[0015] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0016] Figure 2 This is a perspective view of an embodiment of the inclined member and the connecting member of the present utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of an embodiment of the present invention, showing an internally threaded tube and a threaded rod.

[0018] Figure 4 This is one embodiment of the present utility model. Figure 3 A magnified view of point B in the middle. Detailed Implementation

[0019] In the following description, embodiments of the adjustable steel support system for combined support of building foundation pits according to the present invention will be described with reference to the accompanying drawings. Example 1

[0020] Figure 1-4This invention illustrates an embodiment of an adjustable steel support system for a building foundation pit, comprising a horizontal steel section 1 and an inclined member 2. A connecting member 3 is fixedly installed on the surface of the inclined member 2. Both the connecting member 3 and the horizontal steel section 1 are provided with strips 4 and clamping blocks 5. A bolt rod 6 is threaded through the inner cavities of the strips 4 and clamping blocks 5. A nut block 7 is threaded onto the surface of the bolt rod 6. A washer 8, an elastic washer, is fitted onto the surface of the bolt rod 6, thereby increasing the surface area of ​​the nut block 7. The friction prevents the nut block 7 from loosening and falling off due to external vibration, thereby improving the stability of the connection between the bolt rod 6 and the nut block 7. The surface of the strip plate 4 is integrally formed with an ear block 9. The top of the connecting component 3 is provided with an internal threaded tube 10. The inner wall of the internal threaded tube 10 is threadedly connected with a threaded rod 11. The end of the threaded rod 11 is rotatably connected with a connecting rotating block 12. The bottom end of the internal threaded tube 10 is rotatably connected to the ear block 9 through a rotating shaft. The connecting rotating block 12 is rotatably connected to the ear block 9 through a rotating shaft. Example 2

[0021] Figure 1-4 This invention illustrates an embodiment of an adjustable steel support system for combined support of a building foundation pit, comprising a horizontal steel section 1 and an inclined member 2. A connecting member 3 is fixedly installed on the surface of the inclined member 2. Both the connecting member 3 and the horizontal steel section 1 are provided with strips 4 and clamping blocks 5. A bolt rod 6 is threaded through the inner cavity of the strips 4 and clamping blocks 5. A nut block 7 is threadedly connected to the surface of the bolt rod 6. An ear block 9 is integrally formed on the surface of the strips 4. An internally threaded tube 10 is provided at the top of the connecting member 3. A threaded rod 11 is threadedly connected to the inner wall of the internally threaded tube 10. A connecting rotating block 12 is rotatably connected to the end of the threaded rod 11. A handle block 13 is integrally formed on the surface of the threaded rod 11. The handle block 13 increases the contact surface of the threaded rod 11, preventing slippage when the threaded rod 11 is directly held and rotated, thereby improving the stability when the threaded rod 11 is held and rotated. The horizontal steel section 1, the inclined member 2, and the connecting member 3 are all I-beam steel components.

[0022] Working principle: When using this utility model, the user rotates the threaded rod 11 within the inner wall of the internally threaded tube 10, thereby changing the effective length of the internally threaded tube 10 and the threaded rod 11. This allows the effective length of the internally threaded tube 10 and the threaded rod 11 to match the spacing between the transverse steel 1 and the connecting member 3. Subsequently, the bolt rod 6 and the nut block 7 are tightened to fix the strip plate 4 and the clamping block 5, thereby fixing the transverse steel 1 and the connecting member 3 to the strip plate 4. The internally threaded tube 10 and the threaded rod 11 are then fixed to the connecting member 3 and the transverse steel 1 respectively via the lug block 9. By adding an oblique support between the transverse steel 1 and the connecting member 3, an oblique support component can be added to the combined support, resulting in better overall stability of the building foundation pit combined support. Furthermore, by appropriately adjusting the length of the oblique support component, the applicability of the support is improved.

[0023] In summary, this adjustable steel support system for the combined support of a building foundation pit achieves its goal by rotating the threaded rod 11 within the inner wall of the threaded tube 10, thereby altering the effective lengths of both the threaded tube 10 and the threaded rod 11. Subsequently, by fixing the transverse steel section 1 and the connecting member 3 to the strip plate 4, the threaded tube 10 and the threaded rod 11 are secured to the connecting member 3 and the transverse steel section 1 respectively via the lugs 9. This allows for the addition of diagonal support components to the combined support, resulting in improved overall stability of the building foundation pit combined support. Furthermore, by appropriately adjusting the length of the diagonal support components, the applicability of the support is enhanced.

Claims

1. An adjustable steel support system for combined support of building foundation pits, characterized in that, Includes a horizontal steel section (1) and an inclined member (2): a connecting member (3) is fixedly installed on the surface of the inclined member (2), and a strip plate (4) and a clamping block (5) are provided on the surface of the connecting member (3) and the horizontal steel section (1). A bolt rod (6) is provided through the inner cavity of the strip plate (4) and the clamping block (5). A nut block (7) is threadedly connected to the surface of the bolt rod (6). An ear block (9) is integrally formed on the surface of the strip plate (4). An internally threaded tube (10) is provided on the top of the connecting member (3). A threaded rod (11) is threadedly connected to the inner wall of the internally threaded tube (10). A connecting rotating block (12) is rotatably connected to the end of the threaded rod (11).

2. The adjustable steel support system for combined support of building foundation pits according to claim 1, characterized in that, A washer (8) is fitted on the surface of the bolt rod (6), and the washer (8) is an elastic washer.

3. The adjustable steel support system for combined support of building foundation pits according to claim 2, characterized in that, The bottom end of the internally threaded tube (10) is rotatably connected to the ear block (9) via a rotating shaft, and the connecting rotating block (12) is rotatably connected to the ear block (9) via a rotating shaft.

4. The adjustable steel support system for combined support of building foundation pits according to claim 3, characterized in that, The threaded rod (11) has a handle (13) integrally formed on its surface.

5. The adjustable steel support system for combined support of building foundation pits according to claim 4, characterized in that, The horizontal steel section (1), the diagonal member (2), and the connecting member (3) are all I-beam components.

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