Bolt type turnover steel inclined strut support

Abstract

The utility model discloses a bolt type turnover steel inclined strut support which comprises a pre-embedded assembly, a steel support assembly and a steel bolt assembly, a foundation slab is arranged at the bottom end of the pre-embedded assembly, the steel support assembly is arranged at the top end of the pre-embedded assembly, and the steel bolt assembly is used for installation and connection between the steel support assembly and the pre-embedded assembly. A steel pipe support is arranged at one end of the steel support assembly; by means of the design of the pre-embedded assembly, the steel support assembly, the steel plug pin assembly and the steel pipe support, the main steel plug pin is inserted into the plug pin hole, the steel support assembly is arranged at the top end of the pre-embedded assembly, then the steel pipe support is fixedly connected with the plug pin hole, and a foundation pit is supported; the steel pipe support and the steel support assembly can be dismantled by pulling out the main steel plug pin, in this way, crushing construction is not needed, vibration to the foundation bottom plate can be effectively reduced, and the risk that the foundation bottom plate cracks due to vibration is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a latch-type rotatable steel diagonal brace support. Background Art

[0002] At present, the steel pipe diagonal brace foundation pit support system is a commonly used support form for deep foundation pits. The bottom load-bearing support of the traditional foundation pit support steel diagonal brace is a reinforced concrete corbel support. It is necessary to install corbel steel bars on the bottom plate steel bars and reinforce them with hanging formwork, and pour concrete together with the bottom plate. The construction process is numerous. At the same time, after the foundation pit support construction is completed, the bottom plate concrete corbel support needs to be mechanically broken, which will generate a large amount of construction waste. On the other hand, the vibration caused by the mechanical breaking of the corbel will affect the bottom plate, causing the bottom plate to vibrate accordingly, thereby causing the bottom plate to have the risk of leakage due to vibration and cracking. Utility Model Content

[0003] The utility model aims to provide a bolt-type rotatable steel diagonal brace support to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bolt-type rotatable steel diagonal brace support, comprising:

[0005] An embedded component, a steel support component and a steel latch component, wherein the bottom end of the embedded component is provided with a base plate for installing the embedded component, the steel support component is provided at the top end of the embedded component, the steel latch component is used for installation connection between the steel support component and the embedded component, and one end of the steel support component is provided with a steel pipe support for foundation pit support;

[0006] The embedded component includes a steel plate panel, and the bottom end of the steel plate panel is provided with anchor bars for connecting with the foundation bottom plate;

[0007] The steel support assembly includes a vertical plate and a bottom steel plate, the bottom steel plate is used to install the steel latch assembly, and one side of the vertical plate is provided with a force transmission inclined plate for connecting the steel pipe support;

[0008] The steel bolt assembly comprises a main steel bolt, and a limit pin for limiting the movement of the main steel bolt is arranged inside the main steel bolt.

[0009] Preferably, the bottom end of the steel plate panel is fixedly connected to the top end of the anchor bar, and the bottom end of the steel plate panel is fixedly connected to a steel sleeve for inserting a main steel pin.

[0010] Preferably, the length of the steel sleeve is 0.6-1 times the thickness of the base plate.

[0011] Preferably, a horizontal reinforcing steel mesh is provided at the bottom of the steel sleeve for enhancing the anchoring force.

[0012] Preferably, one side of the top end of the bottom steel plate is fixedly connected to the bottom end of the vertical plate, and the top end of the bottom steel plate is provided with a vertical ribbed plate for strengthening the strength between the vertical plate and the bottom steel plate, and the front and back sides of the vertical ribbed plate are respectively provided with middle horizontal ribbed plates.

[0013] Preferably, the top ends of the middle horizontal ribbed plate and the bottom steel plate are respectively provided with pin holes for inserting the main steel pins.

[0014] Preferably, the median perpendicular line of the force transmission inclined plate intersects with the median perpendicular line of the foundation bottom plate at the geometric center of the rectangle formed by the main steel pins.

[0015] Preferably, an upper pull ring for pulling the main steel pin is fixedly connected to the top end of the main steel pin, and a limiting hole for inserting a limiting pin is provided on the front side of the main steel pin.

[0016] Technical effects and advantages of the utility model:

[0017] The utility model utilizes the design of embedded components, steel bearing components, steel latch components and steel pipe supports. The main steel latch is inserted into the latch hole, thereby setting the steel bearing component at the top of the embedded component, and then the steel pipe support is fixedly connected to the latch hole to support the foundation pit. When the steel pipe support needs to be disassembled, the steel pipe support and the steel bearing component can be dismantled by pulling out the main steel latch. This method does not require crushing construction, thereby effectively reducing the vibration of the foundation floor and preventing the risk of cracks in the foundation floor due to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the embedded component of the utility model.

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the steel support assembly of the utility model.

[0021] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of the steel latch assembly.

[0022] Figure 5 It is a schematic diagram of the structure of the utility model from top view.

[0023] In the figure: 1. Embedded components; 11. Steel plate panel; 12. Steel sleeve; 13. Anchor bars; 14. Horizontal reinforcing steel mesh; 2. Steel support components; 21. Vertical plates; 22. Bottom steel plates; 23. Vertical ribbed plates; 24. Middle horizontal ribbed plates; 25. Force transmission inclined plates; 26. Pin holes; 3. Steel pin components; 31. Main steel pins; 32. Upper pull rings; 33. Limit pins; 4. Steel pipe supports; 5. Foundation bottom plate. 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] The utility model provides Figure 1-5 A bolt-type rotatable steel diagonal brace support is shown, comprising:

[0026] Embedded component 1, steel support component 2 and steel latch component 3, the bottom end of the embedded component 1 is provided with a base bottom plate 5 for installing the embedded component 1, the steel support component 2 is arranged at the top of the embedded component 1, the steel latch component 3 is used for the installation connection between the steel support component 2 and the embedded component 1, and one end of the steel support component 2 is provided with a steel pipe support 4 for foundation pit support;

[0027] The embedded component 1 includes a steel plate panel 11, and an anchor bar 13 for connecting to the foundation bottom plate 5 is provided at the bottom end of the steel plate panel 11;

[0028] The steel support assembly 2 includes a vertical plate 21 and a bottom steel plate 22. The bottom steel plate 22 is used to install the steel latch assembly 3. A force transmission inclined plate 25 for connecting the steel pipe support 4 is provided on one side of the vertical plate 21.

[0029] The steel latch assembly 3 comprises a main steel latch 31 , and a limit pin 33 for limiting the movement of the main steel latch 31 is arranged inside the main steel latch 31 .

[0030] Specifically, the bottom end of the steel plate panel 11 is fixedly connected to the top end of the anchor bar 13, and the bottom end of the steel plate panel 11 is fixedly connected to a steel sleeve 12 for inserting the main steel pin 31. The length of the steel sleeve 12 is 0.6-1 times the thickness of the foundation bottom plate 5, and the bottom of the steel sleeve 12 is provided with a horizontal reinforcing steel mesh 14 for strengthening the anchoring force.

[0031] Furthermore, the embedded component 1 can be prefabricated in a factory and then embedded before the on-site foundation slab 5 is cast. The size of the steel plate panel 11 corresponds to the size of the bottom steel plate 22. A plurality of anchor bars 13 are provided, and the plurality of anchor bars 13 are arranged at equal intervals at the bottom end of the steel plate panel 11. The top end of the anchor bar 13 is welded and fixed to the bottom end of the steel plate panel 11. The position of the steel sleeve 12 is aligned with the position of the pin hole 26. The inner diameter of the steel sleeve 12 corresponds to the diameter of the pin hole 26. The horizontal reinforcing steel mesh 14 is formed by binding multiple longitudinal and transverse threaded steel bars. The horizontal reinforcing steel mesh 14 is welded and fixed to the outer wall of the steel sleeve 12 and is set 100 mm above the bottom end of the steel sleeve 12. After the foundation slab 5 is cast, the anchoring force of the embedded component 1 inside the foundation slab 5 can be improved by the anchor bars 13 and the horizontal reinforcing steel mesh 14.

[0032] Specifically, one side of the top of the bottom steel plate 22 is fixedly connected to the bottom end of the vertical plate 21, and the top of the bottom steel plate 22 is provided with a vertical ribbed plate 23 for strengthening the strength between the vertical plate 21 and the bottom steel plate 22. The front and back sides of the vertical ribbed plate 23 are respectively provided with middle horizontal ribbed plates 24. The top of the middle horizontal ribbed plate 24 and the top of the bottom steel plate 22 are respectively provided with pin holes 26 for inserting the main steel pins 31. The median perpendicular line of the force transmission inclined plate 25 intersects with the median perpendicular line of the foundation bottom plate 5 at the geometric center of the rectangle formed by the main steel pins 31. The top of the main steel pin 31 is fixedly connected with an upper pull ring 32 for pulling the main steel pin 31, and the front of the main steel pin 31 is provided with a limit hole for inserting the limit pin 33.

[0033] Furthermore, the vertical plate 21, the bottom steel plate 22, the vertical ribbed plate 23, the middle horizontal ribbed plate 24 and the force transmission inclined plate 25 are all directly manufactured in the factory by welding. The vertical cross-section of the vertical ribbed plate 23 is a right-angled trapezoid. The number of pin holes 26 is twice the number of the main steel pins 31, which are respectively arranged at the top of the bottom steel plate 22 and the middle horizontal ribbed plate 24. The force transmission inclined plate 25 is arranged obliquely to maintain the support angle of the steel pipe support 4. The connection between the steel pipe support 4 and the force transmission inclined plate 25 is bolted. The vertical plate 21 and the bottom steel plate 22 are vertically arranged. The vertical plate 21 and the force transmission inclined plate 25 are fixed by filling and welding with steel plates. The main steel pins 31 are made of high-strength steel. The number and cross-sectional size of the main steel pins 31 are calculated according to the support axial force. The diameter of the main steel pins 31 matches the inner diameter of the steel sleeve 12. The bottom end of the upper pull ring 32 is connected to the main steel pin 3 The top of 1 is welded and fixed, and the main steel plug pin 31 is pulled by the upper pull ring 32 to move, and the limit pin 33 is inserted into the inside of the main steel plug pin 31 through the limit hole, and then the end of the limit pin 33 is welded and fixed to the vertical ribbed plate 23, so that the limit pin 33 locks the main steel plug pin 31. When the steel pipe support 4 is disassembled, the steel pipe support 4 and the force transmission inclined plate 25 are removed by removing the bolts, the limit pin 33 and the vertical ribbed plate 23 are cut using a welding gun, and then the limit pin 33 is pulled out of the limit hole, and the main steel plug pin 31 is pulled out from the steel sleeve 12 and the plug hole 26 by the upper pull ring 32, so that the main steel plug pin 31 is taken out from the steel sleeve 12 and the plug hole 26, and the steel support assembly 2 can be disassembled as a whole, and the embedded assembly 1 is not disassembled, and it forms a whole with the foundation bottom plate 5. In this way, there is no need to break the concrete, which reduces the vibration of the foundation bottom plate 5. At the same time, the steel support assembly 2 can be used repeatedly, saving costs.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bolt-type rotatable steel diagonal brace support, characterized in that: include: An embedded component (1), a steel support component (2) and a steel latch component (3), wherein the bottom end of the embedded component (1) is provided with a base bottom plate (5) for installing the embedded component (1), the steel support component (2) is arranged at the top end of the embedded component (1), the steel latch component (3) is used for installation connection between the steel support component (2) and the embedded component (1), and one end of the steel support component (2) is provided with a steel pipe support (4) for foundation pit support; The embedded component (1) comprises a steel plate panel (11), and the bottom end of the steel plate panel (11) is provided with an anchor bar (13) for connecting to the foundation bottom plate (5); The steel support assembly (2) comprises a vertical plate (21) and a bottom steel plate (22), wherein the bottom steel plate (22) is used to install the steel latch assembly (3), and a force transmission inclined plate (25) for connecting to the steel pipe support (4) is provided on one side of the vertical plate (21); The steel latch assembly (3) comprises a main steel latch (31), and a limit pin (33) for limiting the movement of the main steel latch (31) is arranged inside the main steel latch (31).

2. The latch-type rotatable steel diagonal brace support according to claim 1, characterized in that: The bottom end of the steel plate panel (11) is fixedly connected to the top end of the anchor bar (13), and the bottom end of the steel plate panel (11) is fixedly connected to a steel sleeve (12) for inserting a main steel bolt (31).

3. The latch-type rotatable steel diagonal brace support according to claim 2, characterized in that: The length of the steel sleeve (12) is 0.6-1 times the thickness of the base plate (5).

4. The latch-type rotatable steel diagonal brace support according to claim 2, characterized in that: The bottom of the steel sleeve (12) is provided with a horizontal reinforcement steel mesh (14) for enhancing the anchoring force.

5. The latch-type rotatable steel diagonal brace support according to claim 1, characterized in that: One side of the top end of the bottom steel plate (22) is fixedly connected to the bottom end of the vertical plate (21), and a vertical ribbed plate (23) for reinforcing the strength between the vertical plate (21) and the bottom steel plate (22) is provided at the top end of the bottom steel plate (22), and a middle horizontal ribbed plate (24) is provided on the front and back sides of the vertical ribbed plate (23), respectively.

6. The latch-type rotatable steel diagonal brace support according to claim 5, characterized in that: The top ends of the middle horizontal ribbed plate (24) and the bottom steel plate (22) are respectively provided with pin holes (26) for inserting the main steel pin (31).

7. The latch-type rotatable steel diagonal brace support according to claim 1, characterized in that: The perpendicular midline of the force transmission inclined plate (25) and the perpendicular midline of the foundation bottom plate (5) intersect at the geometric center of the rectangle formed by the main steel latch pins (31).

8. The latch-type rotatable steel diagonal brace support according to claim 1, characterized in that: An upper pull ring (32) for pulling the main steel latch (31) is fixedly connected to the top end of the main steel latch (31), and a limiting hole for inserting a limiting pin (33) is provided on the front side of the main steel latch (31).

Images