Composite enclosure device for deep foundation pit
By introducing retaining frames and slope protection components into the deep foundation pit retaining device, the problem of insufficient surface protection of deep foundation pits is solved, safety hazards are reduced and construction costs are lowered, achieving a dual improvement in safety and economy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-03-27
AI Technical Summary
Existing deep foundation pit protection devices cannot protect the surface of deep foundation pits, posing a safety hazard of unauthorized personnel falling at night or when visibility is poor, and the construction cost is high.
A composite retaining structure for deep foundation pits was designed, comprising a concrete upper frame and a retaining frame. Enclosure components and slope protection components are installed on the retaining frame. The enclosure components are enhanced with fluorescent stickers to improve visibility, while the slope protection components enhance the stability of the inner wall, reduce the risk of falls, and decrease construction costs.
It effectively prevents unauthorized personnel from falling, reducing safety hazards, while the combined use of concrete frames and slope protection panels reduces construction costs and improves economic efficiency.
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Figure CN224048167U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to deep foundation pit retaining technology field, concretely is a kind of deep foundation pit composite retaining device. BACKGROUND
[0002] Deep foundation pit refers to the deep pit that is excavated in building engineering for supporting and protecting underground structure.The deep foundation pit is generally provided with retaining device inside after being excavated, for supporting inner wall, improve the stability of foundation pit, guarantee the life safety of staff in foundation pit.
[0003] And the deep foundation pit retaining device in prior art can only support its inner wall when in use, and cannot retain the surface of deep foundation pit, so unrelated personnel cannot check the existence of deep foundation pit in time in night or unclear vision, thus there is the risk of falling, there is security risk, it is not conducive to practical application, and the existing deep foundation pit retaining device is generally constructed in the form of concrete, increases construction cost, reduces economic benefit.
[0004] Therefore, the technical personnel in the art provide a kind of deep foundation pit composite retaining device to solve the problems raised in the above background art. CONTENT OF UTILITY MODEL
[0005] In view of the deficiencies of prior art, the utility model provides a kind of deep foundation pit composite retaining device, solve the problems that the deep foundation pit retaining device in prior art mentioned in the above background technology cannot retain the surface of deep foundation pit when in use, unrelated personnel cannot check the existence of deep foundation pit in time in night or unclear vision, thus there is the risk of falling, there is security risk, and the existing deep foundation pit retaining device is generally constructed in the form of concrete, increases construction cost, reduces economic benefit.
[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of deep foundation pit composite retaining device, including concrete upper frame, the top of the concrete upper frame is placed with retaining frame, retaining frame is provided with fence assembly, the fence assembly is used to retain the upper side of concrete upper frame;
[0007] The bottom of the concrete upper frame is provided with slope protection component, and the slope protection component is used to retain the inner wall of deep foundation pit.
[0008] Through the technical scheme, the fence assembly is arranged above the concrete upper frame, the deep foundation pit can be protected and the upper surface thereof can be protected, the situation that irrelevant personnel falls into the deep foundation pit at night or in unclear vision is avoided, the safety hazard is reduced, the actual application is facilitated, the concrete frame is used in combination with the slope protection plates, the mode that the concrete is used for protection in the prior art is avoided, the equipment investment cost is reduced, and the economic benefit is improved.
[0009] Preferably, the fence assembly comprises through holes, fence rods and square frames, the through holes are equidistantly arranged at the top of the fence frame, the fence rods are inserted into the through holes, the square frames are installed between the tops of the fence rods, and the outer sides of the fence rods are attached with fluorescent stickers.
[0010] Through the technical scheme, the fence rods can be moved up and down in the through holes by the square frames, under normal circumstances, the bottoms of the fence rods contact the top of the concrete upper frame under the action of gravity, the fence frame is protected by the fence rods, when relevant personnel need to enter the deep foundation pit for work, the square frames are lifted upwards to move the fence rods upwards, and a gap is formed between the bottoms of the fence rods and the top of the concrete upper frame, so that the relevant personnel can enter the deep foundation pit.
[0011] Preferably, the slope protection assembly comprises four slope protection plates and a concrete lower frame, the four slope protection plates are installed between the concrete upper frame and the concrete lower frame, and the four slope protection plates are sequentially connected at the heads and tails.
[0012] Through the technical scheme, the four slope protection plates which are sequentially connected at the heads and tails can protect the inner wall of the deep foundation pit, so that the stability of the deep foundation pit is improved and the life safety of the personnel in the deep foundation pit is ensured.
[0013] Preferably, positioning grooves are arranged at the four corners of the top of the concrete upper frame, and the four corners of the bottom of the fence frame are respectively placed in the corresponding positioning grooves.
[0014] Through the technical scheme, the positioning grooves are used in cooperation with the bottom of the fence frame, so that the bottom of the fence frame can be stably placed on the top of the concrete upper frame.
[0015] Preferably, handles are installed at the four corners of the top of the fence rods.
[0016] Through the technical scheme, the handles are used to conveniently move the square frames upwards.
[0017] Preferably, the concrete upper frame and the concrete lower frame are internally provided with four limiting grooves, and the top and bottom of the slope protection plate are respectively placed in the corresponding limiting grooves.
[0018] Through the above technical scheme, the top and bottom of the slope protection plate can be limited by the limiting grooves, thereby facilitating combination and installation.
[0019] Preferably, the concrete upper frame and the concrete lower frame are internally provided with four limiting grooves, and the top and bottom of the slope protection plate are respectively placed in the corresponding limiting grooves.
[0020] Through the above technical scheme, the top and bottom of the slope protection plate can be limited by the limiting grooves, thereby facilitating combination and installation.
[0021] Preferably, the concrete upper frame and the concrete lower frame are internally provided with four limiting grooves, and the top and bottom of the slope protection plate are respectively placed in the corresponding limiting grooves.
[0022] Through the above technical scheme, the top and bottom of the slope protection plate can be limited by the limiting grooves, thereby facilitating combination and installation.
[0023] The utility model provides a kind of deep foundation pit composite enclosure device, with beneficial effects as follows:
[0024] The deep foundation pit composite enclosure device, by setting the fence assembly above the concrete upper frame, can protect the upper surface of the deep foundation pit while enclosing it, thereby preventing the occurrence of falling into the deep foundation pit by irrelevant personnel at night or in poor visibility, reducing the security risk, facilitating practical application, and by setting the concrete frame and slope protection plate for composite use, avoiding the existing technology of enclosing with concrete, reducing the equipment investment cost, thereby improving economic efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0026] Figure 2 It is a split structure schematic diagram of the concrete upper frame, slope protection assembly and concrete lower frame of the utility model under the first visual angle;
[0027] Figure 3 It is a split structure schematic diagram of the concrete upper frame, slope protection assembly and concrete lower frame of the utility model under the second visual angle;
[0028] Figure 4 It is a concrete lower frame structure schematic diagram of the utility model;
[0029] Figure 5 It is a split structure schematic view of the concrete upper frame and the fence assembly of the utility model.
[0030] In the drawing: 1, concrete upper frame; 2, enclosure frame; 3, through hole; 4, enclosure rod; 5, square frame; 6, slope protection plate; 7, concrete lower frame; 8, positioning groove; 9, handle; 10, limiting groove; 11, first positioning hole; 12, first anchor rod; 13, second positioning hole; 14, second anchor rod. DETAILED DESCRIPTION
[0031] The utility model will be further described in detail below by means of the drawings and examples.
[0032] Reference Figures 1-5 The utility model embodiment provides a kind of composite enclosure device of deep foundation pit, including concrete upper frame 1, and concrete upper frame 1 top is placed with enclosure frame 2.Concrete upper frame 1 top four corners are all provided with positioning groove 8, and the bottom of enclosure frame 2 four corners is placed respectively in the inside of corresponding positioning groove 8, using positioning groove 8 can cooperate with the bottom of enclosure frame 2 and use, so that the bottom of enclosure frame 2 can be stably placed on the top of concrete upper frame 1.
[0033] In one aspect of the embodiment, the enclosure frame 2 is provided with a fence assembly, which is used to enclose the upper part of the concrete upper frame 1. The fence assembly includes through holes 3, enclosure rods 4, and square frames 5. The through holes 3 are equidistantly arranged around the top of the enclosure frame 2, and the enclosure rods 4 are inserted into the through holes 3. The square frames 5 are installed between the tops of the enclosure rods 4. The square frames 5 can drive the enclosure rods 4 to move up and down within the through holes 3. Under normal circumstances, the bottom of the enclosure rods 4 contacts the top of the concrete upper frame 1 under the action of gravity, so that the enclosure rods 4 enclose the four sides of the enclosure frame 2. When personnel need to enter the deep foundation pit for work, the square frames 5 are lifted upwards to drive the enclosure rods 4 to move upwards, so that there is a gap between the bottom of the enclosure rods 4 and the top of the concrete upper frame 1, and personnel can enter the inside of the deep foundation pit through the gap. The outer side of the enclosure rods 4 is pasted with a fluorescent sticker, which can reflect light at night to improve recognition. The top of the enclosure rods 4 is installed with handles 9 around the four sides, which facilitates the upward movement of the square frames 5.
[0034] In one aspect of the embodiment, the bottom of the concrete upper frame 1 is provided with a slope protection assembly for protecting the inner wall of the deep foundation pit. The slope protection assembly includes four slope protection plates 6 and a concrete lower frame 7. The four slope protection plates 6 are installed between the concrete upper frame 1 and the concrete lower frame 7, and the four slope protection plates 6 are sequentially connected end to end. With the four slope protection plates 6 arranged end to end, the inner wall of the deep foundation pit can be protected, thereby improving the stability of the deep foundation pit and ensuring the safety of the personnel working in the deep foundation pit. The inside of the concrete upper frame 1 and the concrete lower frame 7 is provided with four limiting grooves 10, and the top and bottom of the slope protection plate 6 are respectively placed in the corresponding limiting groove 10. The limiting groove 10 can limit the top and bottom of the slope protection plate 6, thereby facilitating assembly and installation. The four corners of the concrete upper frame 1 and the concrete lower frame 7 are provided with first positioning holes 11, and the first positioning holes 11 are inserted with first anchor rods 12. The cooperation between the first positioning holes 11 and the first anchor rods 12 can stably install the concrete upper frame 1 and the concrete lower frame 7 at the specified position. The outer side of the slope protection plate 6 is provided with second positioning holes 13 at equal intervals, and the second positioning holes 13 are inserted with second anchor rods 14. The cooperation between the second positioning holes 13 and the second anchor rods 14 can stably install the slope protection plate 6 on the inner wall of the deep foundation pit, thereby further improving the installation stability.
[0035] Working principle:
[0036] In use, first, the concrete upper frame 1 and the concrete lower frame 7 are formed by pouring concrete, and the concrete lower frame 7 is placed at the bottom of the deep foundation pit and stably installed through the cooperation between the first positioning holes 11 and the first anchor rods 12;
[0037] Then, the four slope protection plates 6 are installed through the limiting grooves 10, so that the four slope protection plates 6 are respectively installed around the inner wall of the deep foundation pit, and the slope protection plates 6 are stably installed on the inner wall of the deep foundation pit through the cooperation between the second positioning holes 13 and the second anchor rods 14;
[0038] Next, the concrete upper frame 1 is placed around the top of the deep foundation pit, and the concrete upper frame 1 is stably installed through the cooperation between the first positioning holes 11 and the first anchor rods 12, and at the same time, the top of the four slope protection plates 6 is respectively located in the corresponding limiting groove 10, thereby completing the installation of the slope protection plate 6;
[0039] Then, the bottom of the frame 5 is placed in the positioning groove 8 on the top of the concrete upper frame 1, and the containment rod 4 is inserted into the through hole 3, under the action of gravity, the bottom of the containment rod 4 is in contact with the top of the concrete upper frame 1, thereby containing the four sides of the deep foundation pit, and the fluorescent stickers on the outside of the containment rod 4 can reflect light at night, thereby improving the recognition, avoiding the situation that irrelevant personnel fall into the deep foundation pit at night or in the case of unclear vision, thereby reducing the safety hazard, and being beneficial to the actual application.
[0040] When the relevant personnel need to enter the deep foundation pit for work, the frame 5 is lifted upward through the handle 9, thereby driving the containment rod 4 to move upward, so that there is a gap between the bottom of the containment rod 4 and the top of the concrete upper frame 1, and the relevant personnel can enter the inside of the deep foundation pit through the gap, which is convenient and practical.
[0041] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A composite retaining device for deep foundation pit, comprising a concrete upper frame (1), characterized in that, The top of the concrete upper frame (1) is placed with a surrounding frame (2), and a surrounding assembly is arranged on the surrounding frame (2), which is used for surrounding the upper part of the concrete upper frame (1). The bottom of the concrete upper frame (1) is provided with a slope protection assembly, which is used for surrounding the inner wall of the deep foundation pit.
2. The composite retaining structure for deep foundation pit according to claim 1, characterized in that: The surrounding assembly comprises through holes (3), surrounding rods (4) and square boxes (5), the through holes (3) are equidistantly arranged on the top of the surrounding frame (2), the surrounding rods (4) are inserted into the through holes (3), and the square boxes (5) are installed between the tops of the surrounding rods (4).
3. The composite retaining wall for deep foundation pit according to claim 1, wherein: The slope protection assembly comprises four slope protection plates (6) and a concrete lower frame (7), the four slope protection plates (6) are installed between the concrete upper frame (1) and the concrete lower frame (7), and the four slope protection plates (6) are sequentially connected in head-to-tail mode.
4. The composite retaining wall for deep foundation pit according to claim 1, wherein: The four corners of the top of the concrete upper frame (1) are provided with positioning grooves (8), and the four corners of the bottom of the surrounding frame (2) are respectively placed in the corresponding positioning grooves (8).
5. The composite retaining structure for deep foundation pit according to claim 2, characterized in that: The top of the surrounding rod (4) is provided with a handle (9) around.
6. The composite retaining structure for deep foundation pit according to claim 3, characterized in that: The inside of the concrete upper frame (1) and the concrete lower frame (7) is provided with four limiting grooves (10), and the top and the bottom of the slope protection plate (6) are respectively placed in the corresponding limiting grooves (10).
7. The composite retaining structure for deep foundation pit according to claim 3, characterized in that: The four corners of the concrete upper frame (1) and the concrete lower frame (7) are provided with first positioning holes (11), and the first positioning holes (11) are respectively inserted with first anchor rods (12).
8. The composite retaining wall for deep foundation pit according to claim 3, characterized in that: The outer side of the slope protection plate (6) is equidistantly provided with second positioning holes (13), and the second positioning holes (13) are respectively inserted with second anchor rods (14).