A foundation pit support device for engineering construction

Abstract

The present application relates to a foundation pit support device for engineering construction, and relates to the field of foundation pit support devices. It includes a support member and a support member, the support member includes a support frame, the support frame is vertically arranged in the foundation pit, and a plurality of hole bars are horizontally fixed on the support frame in the vertical direction, the support member is arranged on the side of the support frame close to the side end face of the foundation pit, the support member includes a protective frame, the protective frame is arranged in a plurality of pieces along the vertical direction, and the upper and lower ends of the plurality of protective frames are respectively provided with rotating holes and rotating rods horizontally, and the rotating holes and rotating rods at the adjacent ends of the plurality of protective frames are rotatably connected, the bottom end of the protective frame is horizontally fixed with a rotating rod, and the rotating rod is rotatably connected with the rotating holes at the bottom ends of the plurality of protective frames, and an articulated seat is fixed at one end of the protective frame close to the support frame, and a support rod is fixed on the articulated seat. The present application squeezes the plurality of protective frames to rotate and cling to the side wall of the foundation pit, so that the plurality of protective frames cling to the side wall of the foundation pit, and is suitable for the inclination of the side wall of the foundation pit, thereby ensuring the effectiveness of the side wall support for the side wall of the foundation pit.

Description

Technical Field

[0001] The present application relates to the technical field of foundation pit support devices, and in particular to a foundation pit support device for engineering construction. Background Art

[0002] In soft soil areas, due to the soft soil and difficulty in controlling deformation, higher requirements are placed on foundation pit support when excavating foundation pits. The foundation pit support needs to have better anti-lodging capabilities, especially for larger foundation pits. It is necessary to prevent the soil from overturning into the foundation pit, so as to better excavate the foundation pit and reduce the impact of foundation pit excavation on the surrounding environment.

[0003] The existing announcement number is CN217174821U, and the name is a foundation pit support device for engineering construction, including: a pre-buried support plate, arranged at the bottom of the foundation pit, a supporting support plate, hinged on the pre-buried support plate, and a plurality of moisture filtering holes are opened on its surface, an angle-adjustable support device, one end of which is hinged on the pre-buried support plate, and the other end is hinged on one side of the supporting support plate, and a moisture filtering support device is arranged on the other side of the supporting support plate and has a gap between the supporting support plate, thereby achieving the purpose of adjusting the angle.

[0004] With respect to the above-mentioned related technologies, the inventors found that in order to make the supporting support plate adapt to the inclination angle of the foundation pit side wall, the bottom end of the supporting support plate is hinged with the embedded support plate, and the supporting support plate and the embedded support plate are slidably connected by two foundation pit support rods, and the sliding extrusion distance fine-tuning spring is used to make the supporting support plate close to the foundation pit side wall and adapt to the inclination of the foundation pit side wall. However, the supporting support plate is a plate body, and the foundation pit side wall is not flat, which causes the supporting support plate to be unable to be close to the foundation pit side wall, affecting the effectiveness of the side wall support for the foundation pit side wall. Utility Model Content

[0005] In order to overcome the situation that the existing supporting plate is a single plate and the side wall of the foundation pit is not flat, resulting in the supporting plate being unable to fit tightly against the side wall of the foundation pit, thus affecting the effectiveness of the side wall support for the side wall of the foundation pit, the present application provides a foundation pit supporting device for engineering construction.

[0006] The present application provides a foundation pit support device for engineering construction, which adopts the following technical solution: a foundation pit support device for engineering construction, including a support member and a support member, the support member includes a support frame, the support frame is vertically arranged in the foundation pit, and a plurality of hole bars are horizontally fixed on the support frame along the vertical direction, the support member is arranged on the side of the support frame close to the side end face of the foundation pit, the support member includes a protective frame, a plurality of protective frames are arranged along the vertical direction, and a rotating hole is opened at one end of the plurality of protective frames, and a rotating rod is horizontally fixed at the other end of the plurality of protective frames, and a The rotating rod on the protective frame is rotatably connected to the rotating hole on another protective frame. A pin is horizontally fixed to the bottom end of the support frame, and the pin is connected to the rotating hole on the lowest protective frame of the multiple protective frames. A hinge seat is fixed to one end of the protective frame close to the support frame, and a support rod is fixed on the hinge seat. The support rod is slidably inserted in the hole bar of the support frame, and a second spring is horizontally sleeved on the outside of the support rod, and the two ends of the second spring are respectively fixed to the end of the support rod and the hole bar of the support frame. A water-permeable groove is opened through the protective frame, and a mesh plate is fixed in the water-permeable groove of the protective frame.

[0007] By adopting the above technical scheme, the support frame of the support member is vertically inserted into the foundation pit during use, and then a support member is vertically arranged on one side of the support frame close to the side wall of the foundation pit. The support member is assembled from multiple protective frames, and the rotating holes and rotating rods at adjacent ends of the multiple protective frames are rotatably connected, and multiple protective frames in the support member are fixed with support rods on the end surfaces away from the side wall of the foundation pit through hinged seats. The support rods are slidably inserted in the hole bars of the support frame, and the deformation pressure of the second spring is used to squeeze the multiple protective frames to rotate and fit tightly against the side wall of the foundation pit, so that the multiple protective frames are close to the side wall of the foundation pit, suitable for the inclination of the side wall of the foundation pit, and ensure the effectiveness of the side wall support for the side wall of the foundation pit.

[0008] Optionally, hole clamping strips are horizontally fixed to both upper and lower ends of the support frame, and a clamping plate is horizontally arranged on one side of the hole clamping strip close to the side wall of the foundation pit.

[0009] By adopting the above technical solution, the clamping plate is used to slide horizontally on the clamping hole strip, so as to clamp and support the rubber sheet and the cloth sheet accordingly.

[0010] Optionally, a guide rod is horizontally fixed on one end surface of the clamp plate close to the clamping hole strip, and the guide rod is slidably inserted in the clamping hole strip, a first spring is horizontally sleeved on the guide rod, and both ends of the first spring are respectively fixed on the end of the guide rod and the clamping hole strip.

[0011] By adopting the above technical solution, the clamping plate in use drives the guide rod on the clamping plate to slide horizontally on the clamping hole strip under the deformation pressure of the first spring, thereby pressing the clamping plate and the clamping hole strip to squeeze and clamp the rubber sheet and the cloth sheet.

[0012] Optionally, a plurality of elastic sheets are horizontally fixed on one end surface of the protection frame close to the side wall of the foundation pit, and rubber sheets are vertically arranged on the outer end surfaces of the plurality of elastic sheets, and cloth sheets are vertically arranged on the outer end surfaces of the rubber sheets.

[0013] By adopting the above technical solution, the deformation force generated by the multiple elastic sheets on the protection frame is utilized to squeeze the rubber sheets and the cloth sheets tightly against the side walls of the foundation pit, thereby protecting the side walls of the foundation pit.

[0014] Optionally, two ends of the rubber sheet and the cloth sheet are respectively inserted between the clamping plates and the hole clamping strips of the support frame, and the two ends of the rubber sheet and the cloth sheet are squeezed and clamped by the clamping plates and the hole clamping strips.

[0015] By adopting the above technical solution, the two ends of the rubber sheet and the cloth sheet are respectively inserted between the clamping plate and the clamping strip of the support frame. Under the deformation pressure of the first spring, the clamping plate drives the guide rod on the clamping plate to slide horizontally on the clamping strip, thereby pressing the clamping plate and the clamping strip to squeeze and clamp the rubber sheet and the cloth sheet.

[0016] Optionally, a fixing seat is fixed to the bottom end of the support frame away from the side end surface of the foundation pit, and a plurality of first fixing nails are vertically fixed through the fixing seat.

[0017] By adopting the above technical solution, the fixing seat on the supporting frame is vertically fixed and inserted into the foundation pit through a plurality of first fixing nails to fix the bottom end of the supporting frame.

[0018] Optionally, a sliding frame is vertically fixed to the top of the support frame, and a sliding bar is vertically slidably installed in the sliding frame.

[0019] By adopting the above technical solution, the vertical sliding bar moves vertically in the sliding frame according to the height of the foundation pit opening during use, which is suitable for the height fixation requirement of the foundation pit opening.

[0020] Optionally, a fixing plate is horizontally fixed to the top of the slide bar, and a plurality of anchor pins are vertically inserted through the fixing plate.

[0021] By adopting the above technical solution, the top of the support member is positioned and installed by using multiple anchor nails on the fixing plate to fix it on the top surface of the foundation pit.

[0022] To summarize, the present application includes at least one of the following beneficial technical effects: during use, the support frame of the support member is vertically inserted into the foundation pit, and then a support member is vertically arranged on one side of the support frame close to the side wall of the foundation pit, and the support member is assembled from multiple protective frames, and the rotating holes and rotating rods at adjacent ends of the multiple protective frames are rotatably connected, and multiple protective frames in the support member are fixed with support rods on the end surfaces away from the side walls of the foundation pit through hinged seats, and the support rods are slidably inserted in the hole bars of the support frame, and the deformation pressure of the second spring is utilized to squeeze the multiple protective frames to rotate and fit tightly against the side walls of the foundation pit, thereby making the multiple protective frames fit tightly against the side walls of the foundation pit, and adapting to the inclination of the side walls of the foundation pit, thereby ensuring the effectiveness of the side wall support for the side walls of the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0024] Figure 2 It is a schematic diagram of the structure of the embodiment of the present application in an exploded state;

[0025] Figure 3 is a schematic structural diagram of a support member in an exploded state according to an embodiment of the present application;

[0026] Figure 4 is a schematic diagram of the structure of the supporting member of the embodiment of the present application in a disassembled state;

[0027] Figure 5 It is a schematic diagram of the structure of the support frame in the disassembled state according to the embodiment of the present application.

[0028] Explanation of the reference numerals in the accompanying drawings: 1. Support member; 11. Support frame; 111. Pin; 12. Clamping strip; 13. Clamp plate; 14. Guide rod; 15. First spring; 16. Second spring; 17. Fixed seat; 18. First fixing nail; 19. Sliding frame; 191. Sliding strip; 192. Fixed plate; 193. Anchor nail; 2. Support member; 21. Protection frame; 211. Rotating hole; 22. Rotating rod; 23. Mesh plate; 24. Elastic sheet; 25. Articulated seat; 26. Support rod; 3. Rubber sheet; 4. Cloth sheet. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings.

[0030] The present application embodiment discloses a foundation pit support device for engineering construction. Figure 1 , Figure 2 , Figure 3 and Figure 4A foundation pit support device for engineering construction includes a support member 1 and a support member 2. The support member 1 includes a support frame 11, the support frame 11 is vertically arranged in the foundation pit, and a plurality of hole bars are horizontally fixed on the support frame 11 along the vertical direction. The support member 2 is arranged on a side of the support frame 11 close to the side end face of the foundation pit. The support member 2 includes a protective frame 21, and the protective frame 21 is provided with a plurality of pieces along the vertical direction. A rotating hole 211 is opened at one end of the plurality of protective frames 21, and a rotating rod 22 is horizontally fixed at the other end of the plurality of protective frames 21, and the rotating rod 22 on one protective frame 21 is rotatably connected to the rotating hole 211 on another protective frame 21. 11, a pin shaft 111 is horizontally fixed to the bottom end of the support frame 11, and the pin shaft 111 is in a rotating hole 211 on the bottom end of the multiple protection frames 21, a hinge seat 25 is fixed to the end of the protection frame 21 close to the support frame 11, and a support rod 26 is fixed on the hinge seat 25, the support rod 26 is slidably inserted in the hole bar of the support frame 11, and the outer side of the support rod 26 is horizontally sleeved with a second spring 16, and the two ends of the second spring 16 are respectively fixed to the end of the support rod 26 and the hole bar of the support frame 11, a water-permeable groove is opened through the protection frame 21, and a mesh plate 23 is fixed in the water-permeable groove of the protection frame 21.

[0031] By adopting the above technical scheme, the support frame 11 of the support member 1 is vertically inserted into the foundation pit during use, and then a support member 2 is vertically arranged on one side of the support frame 11 close to the side wall of the foundation pit. The support member 2 is assembled from multiple protective frames 21, and the rotating holes 211 and the rotating rods 22 at the adjacent ends of the multiple protective frames 21 are rotatably connected, and the multiple protective frames 21 in the support member 2 are fixed with support rods 26 on the end surfaces away from the side walls of the foundation pit through hinge seats 25. The support rods 26 are slidably inserted in the hole bars of the support frame 11, and the deformation pressure of the second spring 16 is utilized to squeeze the multiple protective frames 21 to rotate and fit tightly against the side walls of the foundation pit, so that the multiple protective frames 21 are close to the side walls of the foundation pit, and are suitable for the inclination of the side walls of the foundation pit, thereby ensuring the effectiveness of the side wall support for the side walls of the foundation pit.

[0032] Reference Figure 2 and Figure 3, the upper and lower ends of the support frame 11 are horizontally fixed with clamping strips 12, and a clamping plate 13 is horizontally arranged on the side of the clamping strip 12 close to the side wall of the foundation pit. The clamping plate 13 is used to slide horizontally on the clamping strip 12, so as to clamp and support the rubber sheet 3 and the cloth sheet 4 accordingly. A guide rod 14 is horizontally fixed on the end face of the clamping strip 12 on one side of the clamping strip 13, and the guide rod 14 is slidably inserted in the clamping strip 12. A first spring 15 is horizontally sleeved on the guide rod 14, and the two ends of the first spring 15 are respectively fixed on the end of the guide rod 14 and the clamping strip 12. During use, the clamping plate 13 drives the guide rod 14 on the clamping plate 13 to slide horizontally on the clamping strip 12 under the deformation pressure of the first spring 15, thereby pressing the clamping plate 13 and the clamping strip 12 to squeeze and clamp the rubber sheet 3 and the cloth sheet 4. A plurality of elastic sheets 24 are horizontally fixed on one end face of the protective frame 21 close to the side wall of the foundation pit, and a rubber sheet 3 is vertically arranged on the outer end face of the plurality of elastic sheets 24, and a cloth sheet 4 is vertically arranged on the outer end face of the rubber sheet 3. The deformation force generated by the plurality of elastic sheets 24 on the protective frame 21 is used to squeeze the rubber sheet 3 and the cloth sheet 4 tightly against the side wall of the foundation pit to protect the side wall of the foundation pit. The two ends of the rubber sheet 3 and the cloth sheet 4 are respectively inserted between the clamping plate 13 and the clamping hole strip 12 of the support frame 11, and the two ends of the rubber sheet 3 and the cloth sheet 4 are squeezed and clamped by the clamping plate 13 and the clamping hole strip 12. The two ends of the rubber sheet 3 and the cloth sheet 4 are respectively inserted between the clamping plate 13 and the clamping hole strip 12 of the support frame 11. Under the deformation pressure of the first spring 15, the clamping plate 13 drives the guide rod 14 on the clamping plate 13 to slide horizontally on the clamping hole strip 12, thereby pressing the clamping plate 13 and the clamping hole strip 12 to squeeze and clamp the rubber sheet 3 and the cloth sheet 4.

[0033] Reference Figure 5 The bottom end of the support frame 11 is fixed with a fixing seat 17 on the side away from the end face of the foundation pit, and a plurality of first fixing nails 18 are vertically fixed on the fixing seat 17. The fixing seat 17 on the support frame 11 is vertically fixed and inserted into the foundation pit by a plurality of first fixing nails 18 to fix the bottom end of the support frame 11.

[0034] Reference Figure 5 The top of the support frame 11 is vertically fixed with a slide frame 19, and a slide bar 191 is vertically slidably installed in the slide frame 19. During use, according to the height of the foundation pit opening, the vertical sliding slide bar 191 moves vertically in the slide frame 19, which is suitable for the height fixing requirement of the foundation pit opening. The top of the slide bar 191 is horizontally fixed with a fixed plate 192, and multiple anchor nails 193 are vertically inserted and inserted on the fixed plate 192. During use, the multiple anchor nails 193 on the fixed plate 192 are fixed on the top surface of the foundation pit to position and install the top of the support member 1.

[0035] The implementation principle of a foundation pit support device for engineering construction in an embodiment of the present application is as follows: during use, the support frame 11 of the support member 1 is vertically inserted into the foundation pit, and then a support member 2 is vertically arranged on the side of the support frame 11 close to the side wall of the foundation pit. The support member 2 is assembled from multiple protective frames 21, and the rotating holes 211 and the rotating rods 22 at adjacent ends of the multiple protective frames 21 are rotatably connected, and the multiple protective frames 21 in the support member 2 are fixed with support rods 26 on the end surfaces away from the side walls of the foundation pit through hinge seats 25. The support rods 26 are slidably inserted into the hole bars of the support frame 11, and the deformation pressure of the second spring 16 is utilized to squeeze the multiple protective frames 21 to rotate and fit tightly against the side walls of the foundation pit.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A foundation pit support device for engineering construction, characterized in that: The invention comprises a support member (1) and a support member (2), wherein the support member (1) comprises a support frame (11), the support frame (11) is vertically arranged in a foundation pit, and a plurality of hole bars are horizontally fixed on the support frame (11) along the vertical direction, the support member (2) is arranged on a side of the support frame (11) close to the side end surface of the foundation pit, the support member (2) comprises a protection frame (21), a plurality of protection frames (21) are arranged in the vertical direction, and a rotation hole (211) is opened at one end of the plurality of protection frames (21), and a rotation rod (22) is horizontally fixed at the other end of the plurality of protection frames (21), and the rotation rod (22) on one of the protection frames (21) is rotatably connected to the rotation hole (211) on another protection frame (21), and the support member (21) is provided with a plurality of protection frames (21). A pin shaft (111) is horizontally fixed at the bottom end of the protective frame (11), and the pin shaft (111) is placed in a rotating hole (211) on the lowest protective frame (21) of the plurality of protective frames (21). A hinge seat (25) is fixed at one end of the protective frame (21) close to the support frame (11), and a support rod (26) is fixed on the hinge seat (25). The support rod (26) is slidably inserted in the hole bar of the support frame (11), and a second spring (16) is horizontally sleeved on the outside of the support rod (26), and the two ends of the second spring (16) are respectively fixed to the end of the support rod (26) and the hole bar of the support frame (11). A water-permeable groove is provided through the protective frame (21), and a mesh plate (23) is fixed in the water-permeable groove of the protective frame (21).

2. A foundation pit support device for engineering construction according to claim 1, characterized in that: Clamping bars (12) are horizontally fixed at both upper and lower ends of the support frame (11), and a clamping plate (13) is horizontally arranged on one side of the clamping bar (12) close to the side wall of the foundation pit.

3. A foundation pit support device for engineering construction according to claim 2, characterized in that: A guide rod (14) is horizontally fixed on one end surface of the clamping plate (13) close to the clamping hole strip (12), and the guide rod (14) is slidably inserted in the clamping hole strip (12). A first spring (15) is horizontally sleeved on the guide rod (14), and two ends of the first spring (15) are respectively fixed on the end of the guide rod (14) and the clamping hole strip (12).

4. A foundation pit support device for engineering construction according to claim 3, characterized in that: A plurality of elastic sheets (24) are horizontally fixed on one end surface of the protection frame (21) close to the side wall of the foundation pit, and a rubber sheet (3) is vertically arranged on the outer end surface of the plurality of elastic sheets (24), and a cloth sheet (4) is vertically arranged on the outer end surface of the rubber sheet (3).

5. A foundation pit support device for engineering construction according to claim 4, characterized in that: The two ends of the rubber sheet (3) and the cloth sheet (4) are respectively inserted between the clamping plate (13) and the hole clamping strip (12) of the support frame (11), and the two ends of the rubber sheet (3) and the cloth sheet (4) are squeezed and clamped by the clamping plate (13) and the hole clamping strip (12).

6. The foundation pit support device for engineering construction according to claim 1, characterized in that: A fixing seat (17) is fixed to the bottom end of the support frame (11) at a side away from the end surface of the foundation pit, and a plurality of first fixing nails (18) are vertically fixed through the fixing seat (17).

7. The foundation pit support device for engineering construction according to claim 1, characterized in that: A sliding frame (19) is vertically fixed on the top of the support frame (11), and a sliding bar (191) is vertically slidably installed in the sliding frame (19).

8. A foundation pit support device for engineering construction according to claim 7, characterized in that: A fixing plate (192) is horizontally fixed to the top end of the slide bar (191), and a plurality of anchor nails (193) are vertically inserted through the fixing plate (192).

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