Embedded section steel support changing joint for underground diaphragm wall
By designing a pre-embedded steel bracing joint for underground diaphragm walls that includes set screws, protective shells and rubber protective sheaths, the problem of existing bracing joint screws being exposed to cement causing corrosion and loosening has been solved, and a higher level of performance has been achieved. Work efficiency and safety.
Patent Information
- Application Number
- CN202420306942.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-20
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-02-20
AI Technical Summary
The screws of the existing retractable joints are directly exposed to cement, which is easily eroded by cement and caused rust, which leads to loosening of the screws and cannot effectively connect the retractable joints and embedded steel, which increases maintenance costs and reduces work efficiency, and poses safety hazards. .
Design an underground diaphragm wall pre-embedded steel bracing joint. By setting tightening screws between the bracing joint connecting plate and the bracing steel connecting plate, and setting a protective shell around the bottom of the tightening screw, the protective shell is provided with The cover plate and hinge structure, combined with the rubber protective sleeve and rotating plate, form a complete protection system to prevent the screws from being directly exposed to the cement.
It effectively prevents the screws from being corroded by cement, avoids rust and loosening problems, reduces maintenance costs, improves the efficiency of bracing joint replacement, and reduces safety hazards near the foundation pit.
Smart Images
Figure CN222375491U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel brace replacement joints, in particular to a pre-buried steel brace replacement joint for an underground continuous wall. Background Art
[0002] The so-called replacement of support in deep foundation pit engineering refers to the use of certain technical measures under specific conditions to gradually replace the internal support structure system that plays a temporary support role, so as to ensure that the project can continue safely and with quality after the temporary internal support is removed. Its essence is the safe and orderly adjustment, transfer and redistribution of stress;
[0003] Current bracing joints are usually buried under cement, and the screws between the bracing joint and the embedded steel are directly exposed to cement, which may be corroded by cement and cause the screws to rust, thereby causing the screws to loosen and fail to effectively connect the bracing joint to the embedded steel, increasing the maintenance cost of the screws and reducing the working efficiency of the bracing joint, posing a safety hazard to the work of the foundation pit. To this end, the utility model proposes an underground continuous wall embedded steel bracing joint for solving the above problems. Utility Model Content
[0004] The utility model aims to provide a pre-buried steel bracing replacement joint for an underground continuous wall to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: an underground continuous wall pre-buried steel support replacement joint, comprising
[0006] Embedded steel bracing joint, the front and rear end surfaces of the embedded steel bracing joint are both provided with bracing joint connecting plates, a bracing steel connecting plate is provided on the left side of the bracing joint connecting plate, and a bracing steel is provided in the middle of the right end surface of the bracing steel connecting plate, the bracing joint connecting plate and the bracing steel connecting plate are connected by fixing screws, and the fixing screws are evenly distributed on both sides of the bracing joint connecting plate, and the front part of the fixing screws is provided with nuts, and the nuts are provided on the front end surface of the bracing steel connecting plate; a protective shell is provided around the bottom of the fixing screw, and a cover plate is provided on the upper end surface of the protective shell.
[0007] Preferably, a fixing block is provided on the upper part of the left end surface of the cover plate, and the protective shell and the cover plate are connected by a hinge structure. The hinge structure includes a connecting plate, and the connecting plate is fixed to the right end surface of the cover plate and the protective shell by screws, and a hinge shaft is provided between the two connecting plates.
[0008] Preferably, sliding grooves are provided on both sides of the upper part of the protective shell, and the sliding grooves correspond to the fixed blocks. A sliding rod is arranged between the sliding grooves on both sides, and sliding plates are arranged on the left and right end faces of the sliding rod. A buckle is arranged on the upper part of the sliding plate, and a buckle groove is provided on the left end face of the inner wall of the sliding groove, and the buckle groove corresponds to the buckle.
[0009] Preferably, the sliding rod passes through two rubber protective sleeves, and the upper and lower parts of the upper end surface of the rubber protective sleeve on the right side are provided with a rotating shaft, and the upper part of the rotating shaft is provided with a rotating plate, and the rotating shaft passes through the rotating plate, and a fixing cap is provided on the left part of the upper end surface of the rotating plate, and the lower part of the fixing cap is hollow.
[0010] Preferably, a boss is provided on the upper end surface of the rubber protective sleeve on the left side, a groove is formed on the upper end surface of the boss, a spring is provided on the upper end surface inside the groove formed by the boss, a pressure block is connected to the upper end surface of the spring, and the pressure block corresponds to the fixing cap.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The utility model discloses to be connected with the pre-embedded steel part by the screw thread, and the screw thread is connected with the pre-embedded steel part by the screw thread, and the screw thread is connected with the pre-embedded steel part by the screw thread, thereby reducing the maintenance cost of the screw thread, improving the working effect of the pre-embedded steel part and reducing the potential safety hazard near the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the screw protection device in the utility model;
[0015] Figure 3 It is a side view of the screw protection device in the utility model;
[0016] Figure 4 It is a top view of the screw protection device in the utility model;
[0017] Figure 5 for Figure 3 A schematic diagram of the structure enlargement at the center A;
[0018] Figure 6 for Figure 4 A magnified schematic diagram of the structure at point B in the middle.
[0019] In the figure: embedded steel support replacement joint 1, support replacement joint connecting plate 2, support replacement steel connecting plate 3, support replacement steel 4, set screw 5, protective shell 6, cover plate 7, connecting plate 8, hinge shaft 9, screw 10, fixed block 11, slide groove 12, sliding rod 13, rubber protective cover 14, rotating plate 15, shaft 16, fixed cap 17, buckle groove 18, buckle 19, sliding plate 20, pressure block 21, spring 22, boss 23, nut 24. DETAILED DESCRIPTION
[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.
[0021] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.
[0024] See also Figures 1 to 6 The utility model provides a technical solution: an underground continuous wall pre-buried steel support replacement joint, comprising
[0025] Embedded steel bracing joint 1, the front and rear end surfaces of the embedded steel bracing joint 1 are both provided with bracing joint connecting plates, a bracing steel connecting plate 3 is provided on the left side of the bracing joint connecting plate, and a bracing steel is provided in the middle of the right end surface of the bracing steel connecting plate 3, the bracing joint connecting plate and the bracing steel connecting plate 3 are connected by fixing screws 5, the fixing screws 5 are evenly distributed on both sides of the bracing joint connecting plate, the front part of the fixing screws 5 is provided with nuts 24, the nuts 24 are provided on the front end surface of the bracing steel connecting plate 3, a protective shell 6 is provided around the bottom of the fixing screw 5, and a cover plate 7 is provided on the upper end surface of the protective shell 6.
[0026] A fixing block 11 is provided on the upper part of the left end surface of the cover plate 7. The protective shell 6 and the cover plate 7 are connected by a hinge structure. The hinge structure includes a connecting plate 8. The connecting plate 8 is fixed to the right end surfaces of the cover plate 7 and the protective shell 6 by screws 10. A hinge shaft 9 is provided between the two connecting plates 8. The cover plate 7 can protect the part of the fastening screw 5 exposed to the cement. The fixing block 11 can strengthen the fixation of the cover plate 7. The cover plate 7 and the protective shell 6 can be connected by the connecting plate 8, and the connecting plate 8 can be fixed by the screws 10.
[0027] Slide grooves 12 are provided on both sides of the upper part of the protective shell 6, and the slide grooves 12 correspond to the fixed blocks 11. A sliding rod 13 is arranged between the slide grooves 12 on both sides, and sliding plates 20 are provided on the left and right end faces of the sliding rod 13. A buckle 19 is provided on the upper part of the sliding plate 20. A buckle groove 18 is provided on the left end face of the inner wall of the slide groove 12, and the buckle groove 18 corresponds to the buckle 19. The protective shell 6 can be used to isolate the cement from the outside of the fastening screw 5, and the slide groove 12 can provide a sliding place for the sliding rod 13. The sliding plate 20 can drive the sliding rod 13 to slide, and the sliding plate 20 can be fixed by inserting the buckle 19 into the buckle groove 18.
[0028] The sliding rod 13 passes through two rubber protective sleeves 14, and a rotating shaft 16 is provided at the upper and lower parts of the upper end surface of the right rubber protective sleeve 14, and a rotating plate 15 is provided at the upper part of the rotating shaft 16. The rotating shaft 16 passes through the rotating plate 15, and a fixing cap 17 is provided at the left part of the upper end surface of the rotating plate 15. The lower part of the fixing cap 17 is hollowed out. The threaded part of the set screw 5 can be wrapped by the rubber protective sleeve 14, and the rotating plate 15 can be driven to rotate by the rotating shaft 16. The rubber protective sleeve 14 of the left part and the right part can be connected by the rotating plate 15, and the rotating plate 15 can be fixed by the fixing cap 17.
[0029] A boss 23 is provided on the upper end surface of the left rubber protective sleeve 14, and a groove is formed on the upper end surface of the boss 23. A spring 22 is provided on the upper end surface of the groove formed by the boss 23. A pressure block 21 is connected to the upper end surface of the spring 22. The pressure block 21 corresponds to the fixing cap 17. The boss 23 can provide convenience for fixing the rubber protective sleeve 14. The rubber protective sleeves 14 on both sides can be fixed by pressing the pressure block 21 into the fixing cap 17. The spring 22 can provide an upward force for the pressure block 21 to press it into the fixing cap 17.
[0030] In actual use, the part of the set screw 5 exposed to the cement can be protected by the cover plate 7, the fixation of the cover plate 7 can be strengthened by the fixing block 11, the cover plate 7 and the protective shell 6 can be connected by the connecting plate 8, the connecting plate 8 can be fixed by the screw 10, the cement can be isolated from the outside of the set screw 5 by the protective shell 6, the sliding groove 12 can provide a sliding place for the sliding rod 13, the sliding plate 20 can drive the sliding rod 13 to slide, the sliding plate 20 can be fixed by inserting the buckle 19 into the buckle groove 18, the threaded part of the set screw 5 can be wrapped by the rubber protective sleeve 14, the rotating plate 15 can be driven to rotate by the rotating shaft 16, the rubber protective sleeve 14 of the left part and the right part can be connected by the rotating plate 15, the rotating plate 15 can be fixed by the fixing cap 17, the fixing of the rubber protective sleeve 14 can be conveniently provided by the boss 23, the rubber protective sleeve 14 on both sides can be fixed by pressing the pressing block 21 into the fixing cap 17, and the spring 22 can provide an upward force for the pressing block 21 to press it into the fixing cap 17.
[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An underground continuous wall pre-buried steel bracing replacement joint, characterized by: include A pre-buried steel bracing joint (1), wherein both front and rear end surfaces of the pre-buried steel bracing joint (1) are provided with bracing joint connecting plates, a bracing steel connecting plate (3) is provided on the left side of the bracing joint connecting plate, and a bracing steel is provided in the middle of the right end surface of the bracing steel connecting plate (3), the bracing joint connecting plate and the bracing steel connecting plate (3) are connected by means of set screws (5), the set screws (5) are evenly distributed on both sides of the bracing joint connecting plate, the front part of the set screws (5) is provided with nuts (24), the nuts (24) are arranged on the front end surface of the bracing steel connecting plate (3), a protective shell (6) is provided around the bottom of the set screw (5), and a cover plate (7) is provided on the upper end surface of the protective shell (6).
2. The pre-buried steel bracing replacement joint for underground continuous wall according to claim 1 is characterized by: A fixing block (11) is provided on the upper portion of the left end surface of the cover plate (7); the protective housing (6) and the cover plate (7) are connected via a hinge structure; the hinge structure comprises a connecting plate (8); the connecting plate (8) is fixed to the right end surfaces of the cover plate (7) and the protective housing (6) via screws (10); a hinge shaft (9) is provided between the two connecting plates (8).
3. The pre-buried steel bracing replacement joint for underground continuous wall according to claim 1 is characterized by: Slide grooves (12) are provided on both sides of the upper part of the protective shell (6), and the slide grooves (12) correspond to the fixed blocks (11). A sliding rod (13) is provided between the slide grooves (12) on both sides. The left and right end faces of the sliding rod (13) are provided with sliding plates (20), and the upper part of the sliding plate (20) is provided with a buckle (19). The left end face of the inner wall of the slide groove (12) is provided with a buckle groove (18), and the buckle groove (18) corresponds to the buckle (19).
4. The pre-buried steel bracing replacement joint for underground continuous wall according to claim 3 is characterized by: The sliding rod (13) passes through two rubber protective sleeves (14); the upper and lower parts of the upper end surface of the right rubber protective sleeve (14) are provided with a rotating shaft (16); the upper part of the rotating shaft (16) is provided with a rotating plate (15); the rotating shaft (16) passes through the rotating plate (15); the left part of the upper end surface of the rotating plate (15) is provided with a fixing cap (17); the lower part of the fixing cap (17) is hollow.
5. The pre-buried steel bracing replacement joint for underground continuous wall according to claim 4 is characterized by: The upper end surface of the rubber protective sleeve (14) on the left side is provided with a boss (23), the upper end surface of the boss (23) is provided with a groove, the upper end surface of the groove provided by the boss (23) is provided with a spring (22), the upper end surface of the spring (22) is connected with a pressure block (21), and the pressure block (21) corresponds to the fixing cap (17).