Foundation pit supporting retaining wall supporting structure
By designing the foundation pit support retaining wall support structure, including installation cylinder, support frame and expansion mechanism, the problems of traditional retaining wall loosening and landslide are solved, and stronger support capacity and scope of application are achieved, and the service life is extended.
Patent Information
- Application Number
- CN202420201299.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-29
AI Technical Summary
Traditional foundation pit support retaining walls are prone to loosening due to water immersion or excessive pressure during long-term use, which increases the risk of landslides and affects the effectiveness of use.
A foundation pit support retaining wall support structure is designed, including mounting cylinder, support frame, expansion mechanism and reinforcement rod. The expansion and expansion board are realized through sliding connection and adjustment holes, which enhances the support capacity of the retaining wall. Improve the station firmness of the mounting cylinder through main and auxiliary fixing seats and pouring brazing.
The structure provides additional support through support frames and expansion boards, enhancing the protection of foundation pits, suitable for retaining walls of different sizes, and improves support capacity through enhanced design, reduces landslide risks and extends service life.
Smart Images

Figure CN222227312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of supporting retaining walls, in particular to a foundation pit supporting retaining wall supporting structure. Background Art
[0002] Foundation pit support is a measure of support, reinforcement and protection for the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structural facilities and the surrounding environment of the foundation pit. Among them, retaining wall is one of the main structures of the building foundation pit support structure. Retaining wall is also commonly known as slope protection. Traditional slope protection mainly includes mortar-laid or dry-laid block stone slope protection, cast-in-place concrete slope protection, precast concrete block slope protection, etc. The main function of the retaining wall is to block the soil and prevent soil from sliding.
[0003] The publication number CN 214832745 U discloses a foundation pit support retaining wall device, which belongs to the technical field of foundation pit support, and includes a fixed plate, on which a retaining wall is slidably connected, the retaining wall is fitted with a slope, an inclined rod is fixedly connected to the retaining wall, and an end of the inclined rod away from the retaining wall is fixedly connected to a slider, the slider is slidably connected to the fixed plate, and a limit assembly for preventing the slider from sliding is provided on the fixed plate. The limit assembly applied for prevents the slider from sliding in a direction away from the slope, which is convenient for limiting the fixed position of the inclined rod. The inclined rod, the fixed plate and the retaining wall form a triangular stable structure, which better improves the fixing stability of the retaining wall, reduces the risk of displacement of the inclined rod on the retaining wall, and better improves the fixing stability of the retaining wall.
[0004] However, the retaining wall has the following shortcomings: when the equipment is in use, the retaining wall can be used to protect the foundation pit, but part of the retaining wall often becomes loose due to other reasons such as water immersion or excessive pressure during long-term use. If it is not reinforced and supported at this time, landslides are likely to occur, affecting its use.
[0005] To this end, the utility model provides a foundation pit support retaining wall support structure to solve the above problems. Utility Model Content
[0006] In view of the deficiencies in the prior art, the utility model provides a foundation pit support retaining wall support structure to solve the above-mentioned problems.
[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a foundation pit support retaining wall support structure, including two installation tubes, one side of the two installation tubes is fixedly connected to a side plate, one side of the two side plates is fixedly connected to the same support frame, and the support frame is provided with an expansion mechanism;
[0008] The expansion mechanism includes two extension rods that are slidably inserted and connected to the tops of the two mounting tubes respectively, the top ends of the two extension rods are fixedly connected to the same top plate, one side of the top plate is fixedly connected to a connecting plate for adjusting the height of the extension plate, one side of the connecting plate is fixedly connected to the extension plate, the bottom of the extension plate slides and extends into the support frame, a plurality of limit cavities are provided on the extension plate, a plurality of reinforcement rods are fixedly connected to the bottom inner wall of the support frame, the top ends of the reinforcement rods slide and extend into the corresponding limit cavities, the top ends of the reinforcement rods are fixedly connected to a baffle, a plurality of adjustment holes are provided on the extension rods, three bolts are slidably penetrated and connected on the mounting tube, the bolts slide through the corresponding adjustment holes, and nuts are threadedly sleeved on the bolts.
[0009] Preferably, a movable opening is opened on one side of the mounting tube, and an anti-drop rod is fixedly connected to one side of the extension rod. The anti-drop rod slides through the movable opening. The movable opening and the anti-drop rod are used in combination to prevent the extension rod from detaching from the mounting tube.
[0010] Preferably, a plurality of brackets are fixedly connected between the two mounting tubes, and a scale is provided on one side of the extension rod. The brackets can conveniently connect the two mounting tubes together for easy installation and use. At the same time, the scale can conveniently adjust the telescopic length of the extension rod.
[0011] Preferably, a sliding sleeve is fixedly connected to an outer wall of one side of the mounting tube, and a push rod is slidably inserted into the top of the sliding sleeve, and the top of the push rod is connected to the bottom of the top plate. The combination of the sliding sleeve and the push rod can improve the connection strength between the top plate and the mounting tube, thereby improving the supporting capacity of the expansion plate.
[0012] Preferably, three main fixing seats are welded to the outside of the two installation tubes, and two first casting rods are slidably connected to the main fixing seats. The main fixing seats and the first casting rods are used in combination to improve the stationary firmness of the installation tube, thereby improving the supporting capacity of the support frame to the retaining wall.
[0013] Preferably, one side of the sliding sleeve is fixedly connected with an inclined plate, the inclined plate is fixedly connected with a reinforcing rib, the bottom of the inclined plate is fixedly connected with a cross plate, the bottom of the cross plate is fixedly connected with two auxiliary fixing seats, and the auxiliary fixing seats are slidably connected with two second casting rods. By using the inclined plate, reinforcing ribs, cross plate, auxiliary fixing seats and second casting rods in combination, the stationary firmness of the installation tube can be improved, thereby improving the supporting capacity of the support frame to the retaining wall.
[0014] Beneficial Effects
[0015] The utility model provides a foundation pit retaining wall support structure. Compared with the prior art, it has the following beneficial effects:
[0016] (1) The supporting structure of the foundation pit retaining wall can provide additional support to the retaining wall through the support frame and the expansion plate, thereby strengthening the protective effect of the foundation pit and enhancing the use effect. At the same time, the expansion plate can be telescopically adjusted through the expansion mechanism, which is convenient for application to retaining walls of different sizes and improves the scope of application.
[0017] (2) The foundation pit retaining wall support structure can conveniently cast the installation tube near the retaining wall by means of the main fixing seat and the auxiliary fixing seat, so that the support frame and the expansion plate can be pressed against the retaining wall to improve the support capacity. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the installation cylinder in the utility model;
[0020] Figure 3 It is a partial structural schematic diagram of the expansion mechanism in the utility model;
[0021] Figure 4 It is the relevant assembly drawing of the auxiliary fixing seat in the utility model;
[0022] Figure 5 It is a relevant assembly drawing of the main fixing seat in the utility model.
[0023] In the figure: 1. mounting tube; 2. side plate; 3. support frame; 4. extension rod; 5. top plate; 6. connecting plate; 7. expansion plate; 8. limit cavity; 9. strengthening rod; 10. baffle; 11. adjustment hole; 12. bolt; 13. nut; 14. movable opening; 15. anti-slip rod; 16. bracket; 17. scale; 18. sliding sleeve; 19. push rod; 20. main fixing seat; 21. first casting drill; 22. inclined plate; 23. reinforcing rib; 24. cross plate; 25. auxiliary fixing seat; 26. second casting drill. 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] Embodiment 1:
[0026] See also Figure 1 , Figure 2 and Figure 3 A foundation pit retaining wall support structure includes two installation tubes 1, one side of the two installation tubes 1 is fixedly connected to a side plate 2, one side of the two side plates 2 is fixedly connected to the same support frame 3, and the support frame 3 is provided with an expansion mechanism;
[0027] The expansion mechanism includes two extension rods 4 that are slidably inserted and connected to the tops of the two mounting tubes 1 respectively, the top ends of the two extension rods 4 are fixedly connected to the same top plate 5, one side of the top plate 5 is fixedly connected to a connecting plate 6 for adjusting the height of the extension plate 7, one side of the connecting plate 6 is fixedly connected to the extension plate 7, the bottom of the extension plate 7 slides and extends into the support frame 3, a plurality of limit cavities 8 are provided on the extension plate 7, a plurality of reinforcing rods 9 are fixedly connected to the bottom inner wall of the support frame 3, the top ends of the reinforcing rods 9 slide and extend into the corresponding limit cavities 8, the top ends of the reinforcing rods 9 are fixedly connected to a baffle 10, a plurality of adjustment holes 11 are provided on the extension rod 4, three bolts 12 are slidably penetrated and connected to the mounting tube 1, the bolts 12 slide through the corresponding adjustment holes 11, a nut 13 is threadedly sleeved on the bolt 12, and the telescopic length of the extension rod 4 can be conveniently adjusted by the nut 13 and the bolt 12, thereby adjusting the extension plate 7;
[0028] Principle of use: When installing the structure, construction workers only need to place the support frame 3 and the expansion plate 7 against the retaining wall to provide support therefor, and can manually pull the connecting plate 6 to adjust the height of the expansion plate 7 to adapt to the depth of the foundation pit.
[0029] Embodiment 2:
[0030] See also Figures 1 to 5 This embodiment provides a technical solution based on the first embodiment: a moving opening 14 is opened on one side of the installation tube 1, and an anti-dropping rod 15 is fixedly connected to one side of the extension rod 4, and the anti-dropping rod 15 slides through the moving opening 14; a plurality of brackets 16 are fixedly connected between the two installation tubes 1, and a scale 17 is provided on one side of the extension rod 4; a sliding sleeve 18 is fixedly connected to the outer wall of one side of the installation tube 1, and a push rod 19 is slidably inserted and connected to the top of the sliding sleeve 18, and the top of the push rod 19 is connected to the bottom of the top plate 5; the outer walls of the two installation tubes 1 Three main fixing seats 20 are welded, and two first casting rods 21 are slidably penetrated and connected to the main fixing seats 20; an inclined plate 22 is fixedly connected to one side of the sliding sleeve 18, and a reinforcing rib 23 is fixedly connected to the inclined plate 22, and a cross plate 24 is fixedly connected to the bottom of the inclined plate 22, and two auxiliary fixing seats 25 are fixedly connected to the bottom of the cross plate 24, and two second casting rods 26 are slidably penetrated and connected to the auxiliary fixing seats 25. By casting the first casting rod 21 and the second casting rod 26 near the retaining wall, the supporting capacity of the support frame 3 and the expansion plate 7 can be improved.
[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0033] Although 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. A foundation pit retaining wall support structure, comprising two installation tubes (1), characterized in that: One side of the two installation cylinders (1) is fixedly connected to a side plate (2), one side of the two side plates (2) is fixedly connected to the same support frame (3), and the support frame (3) is provided with an expansion mechanism; The expansion mechanism comprises two extension rods (4) which are respectively slidably inserted and connected to the tops of the two mounting tubes (1); the top ends of the two extension rods (4) are fixedly connected to the same top plate (5); one side of the top plate (5) is fixedly connected to a connecting plate (6) for adjusting the height of the extension plate (7); one side of the connecting plate (6) is fixedly connected to the extension plate (7); the bottom of the extension plate (7) is slidably extended into the support frame (3); a plurality of limiting cavities (8) are provided on the extension plate (7); a plurality of reinforcing rods (9) are fixedly connected to the inner wall of the bottom of the support frame (3); the top ends of the reinforcing rods (9) are slidably extended into the corresponding limiting cavities (8); the top ends of the reinforcing rods (9) are fixedly connected to a baffle (10); a plurality of adjustment holes (11) are provided on the extension rods (4); three bolts (12) are slidably penetrated and connected to the mounting tube (1); the bolts (12) are slidably penetrated through the corresponding adjustment holes (11); and nuts (13) are threadedly sleeved on the bolts (12).
2. A foundation pit retaining wall support structure according to claim 1, characterized in that: A moving opening (14) is provided on one side of the installation tube (1), and an anti-slip rod (15) is fixedly connected to one side of the extension rod (4), and the anti-slip rod (15) slides through the moving opening (14).
3. A foundation pit retaining wall support structure according to claim 1, characterized in that: A plurality of brackets (16) are fixedly connected between the two installation tubes (1), and a scale (17) is provided on one side of the extension rod (4).
4. A foundation pit retaining wall support structure according to claim 1, characterized in that: A sliding sleeve (18) is fixedly connected to an outer wall of one side of the installation cylinder (1), a push rod (19) is slidably inserted and connected to the top of the sliding sleeve (18), and the top end of the push rod (19) is connected to the bottom of the top plate (5).
5. The foundation pit retaining wall support structure according to claim 1, characterized in that: Three main fixing seats (20) are welded to the outside of the two installation cylinders (1), and two first casting rods (21) are slidably penetrated and connected to the main fixing seats (20).
6. A foundation pit retaining wall support structure according to claim 4, characterized in that: A slanted plate (22) is fixedly connected to one side of the sliding sleeve (18), a reinforcing rib (23) is fixedly connected to the slanted plate (22), a transverse plate (24) is fixedly connected to the bottom of the slanted plate (22), two auxiliary fixing seats (25) are fixedly connected to the bottom of the transverse plate (24), and two second casting rods (26) are slidably penetrated and connected to the auxiliary fixing seats (25).
Citation Information
Patent Citations
Foundation pit supporting retaining wall device
CN214832745U
