A caisson having a protective cap and a top elevation control structure
By designing a protective cover and a top elevation control structure for the casing, the problem of low safety of the casing protection was solved, the stable control of the top elevation of the casing was achieved, construction safety was improved, and the labor intensity and safety risks of construction workers were reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA CIVIL ENG CONSTR CORP
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-30
AI Technical Summary
Existing casings offer low safety in bored pile construction, are time-consuming and labor-intensive to use, and make it difficult to ensure that the top elevation of the casing meets the specifications, posing potential safety hazards and quality risks during construction.
A protective casing with a protective cover and a top elevation control structure was designed, including a casing body, a protective cover, a guide pipe support plate, a hanger structure, and a detection module. It is connected by hinges to facilitate operation, and the hanger is set to limit the top height. It is equipped with a deformation detection module and an alarm module to monitor deformation in real time and remind construction personnel.
It improved construction safety, ensured that the top elevation of the casing met the specifications, reduced the physical exertion and safety hazards for construction workers, and improved construction efficiency and quality.
Smart Images

Figure CN224431407U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of highway pile foundation construction technology, specifically a protective casing with a protective cover and a top elevation control structure. Background Technology
[0002] During the construction of bored piles, casing is frequently used to guide the drill bit vertically downwards and maintain the stability of the borehole opening. However, because the borehole opening is open during pile foundation construction, there is a significant risk of workers falling. Currently, the commonly used protective measure is to use steel plates to protect the borehole opening. This method is prone to loss or slippage of the steel plates, reducing their protective effect. Furthermore, protection can only be provided during construction intervals; it is ineffective during procedures such as installing guide pipes, pouring concrete, and removing guide pipes, still posing a significant risk of workers falling. This method also requires a high level of safety awareness and skill from the workers. In addition, repeatedly installing protective steel plates is time-consuming and labor-intensive, reducing construction efficiency.
[0003] At bored pile construction sites, the environment is often muddy, and the protective steel plates are slippery. Furthermore, the space for workers to stand is relatively small, making it difficult to exert force. Therefore, working at the borehole opening requires maintaining balance while completing the work, which greatly depletes the workers' physical strength and concentration. Such a construction environment not only hinders the construction progress but also poses certain safety hazards.
[0004] In addition, according to relevant regulations, the top of the casing must be 30cm above the ground to prevent foreign objects such as mud and soil from falling into the pile foundation hole and affecting the quality of the pile foundation. In actual construction, the casing may sink due to the weight of the reinforcing cage or poor geological conditions, making it impossible to ensure that the top of the casing is 30cm above the ground. This allows debris to enter the casing and affect the construction quality.
[0005] Therefore, how to provide a casing that is highly safe, low-cost, easy to use, and can always maintain the top elevation of the casing in accordance with the specifications is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0006] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a protective casing with a protective cover and a top elevation control structure to solve the problems of low protective safety, time-consuming and labor-intensive use, reduced construction progress, and difficulty in preventing debris from entering the top of the casing in the prior art.
[0007] This utility model provides a protective casing with a protective cover and a top elevation control structure. The casing includes: a casing body, which is a cylindrical structure with openings at the top and bottom; a protective cover structure, the edge of which is movably connected to the top edge of the casing body via a first hinge, and the protective cover structure can open and close the top opening of the casing body; a through hole is provided at the axis of the protective cover structure, and a guide pipe support plate is movably connected to the edge of the through hole via a second hinge, the guide pipe support plate being two symmetrically arranged cover plates that can be opened upwards; a through hole for inserting a guide pipe is provided at the axis of the guide pipe support plate; the side wall of the casing body has two slurry discharge holes symmetrically arranged along the axis, the two slurry discharge holes being used to insert a hanging rod structure, the hanging rod structure being used to suspend a reinforcing cage and limit the height of the top of the casing body relative to the ground.
[0008] Furthermore, the protective cover structure consists of two symmetrically arranged semi-circular protective plates, and the outer edge of each protective plate is movably connected to the top edge of the cylinder via a first hinge.
[0009] Furthermore, the bottom of the protective plate is provided with reinforcing ribs for strengthening the structure; the bottom surface of the protective plate is provided with a deformation detection module for detecting the deformation of the protective plate.
[0010] Furthermore, an alarm module is provided on the cylinder body, and the alarm module is electrically connected to the deformation detection module for providing alarm prompts.
[0011] Furthermore, the deformation detection module includes at least one strain sensor and a processing unit. The strain sensor is electrically connected to the processing unit and is used to detect the deformation of the protective plate, and the processing unit analyzes whether the protective plate has reached or exceeded the deformation threshold. The alarm module includes a buzzer and / or a warning light, which are electrically connected to the processing unit and are used to emit an alarm sound and / or a warning light for alarm reminder.
[0012] In this embodiment of the invention, the top surface of the protective plate is uniformly provided with a plurality of anti-slip and drainage blocks for anti-slip and drainage purposes.
[0013] Furthermore, the bottom surface of the protective plate welded to the bottom of the anti-slip drainage block has a drainage groove; the top of the anti-slip drainage block has a drainage through hole that is straight through the drainage groove.
[0014] In this embodiment of the invention, the casing also has a power supply module, which is used to provide power to the deformation detection module and the alarm module.
[0015] In an embodiment of this utility model, the suspension rod structure includes: a steel cage suspension rod and a load-bearing plate, wherein at least two steel cage suspension rods are arranged in parallel, and both ends of the steel cage suspension rods are respectively fixedly connected to the load-bearing plate to fix the steel cage suspension rods relative to each other.
[0016] Furthermore, the steel cage hanging rod is movably connected or welded to the load-bearing plate.
[0017] As can be seen from the above embodiments, the protective casing with a protective cover and a top elevation control structure provided by this utility model has at least the following advantages: The casing structure is simple, and the protective cover structure is easily and safely connected by rotating it at the top of the casing. A guide pipe support plate is provided at the center of the top of the protective cover to limit the position of the guide pipe and prevent it from descending too low during pouring. In addition, a detection and reminder device is provided on the protective plate to monitor the deformation of the protective plate in real time. When the protective plate undergoes a certain amount of deformation, it promptly reminds the construction personnel to avoid the risk of falling and improves overall safety.
[0018] The casing is also equipped with an anti-falling structure, which can control the distance between the top of the casing and the ground, and minimize the entry of debris into the casing.
[0019] This casing is highly versatile, low in cost, and requires minimal daily maintenance, making it widely applicable to the construction of various types of cast-in-place piles.
[0020] It should be understood that the above general description and the following specific embodiments are merely exemplary and illustrative, and do not limit the scope of the present invention. Attached Figure Description
[0021] The accompanying drawings are part of the specification of this utility model and illustrate exemplary embodiments of the utility model. The drawings, together with the description in the specification, are used to illustrate the principles of this utility model.
[0022] Figure 1 This utility model provides an overall structural diagram of a protective sleeve with a protective cover and a top elevation control structure.
[0023] Figure 2 The present invention provides a structural diagram of a protective cylinder with a protective cover and a top elevation control structure.
[0024] Figure 3 The top structure diagram of a protective plate for a protective sleeve with a protective cover and a top elevation control structure provided by this utility model.
[0025] Figure 4 A side view of the protective plate of a protective sleeve with a protective cover and a top elevation control structure provided by this utility model.
[0026] Figure 5 This utility model provides a structural diagram of a conduit support plate with a protective cover and a top elevation control structure for a protective sleeve.
[0027] Figure 6 The present invention provides a structural diagram of an anti-slip drainage block with a protective cover and a top elevation control structure for a protective sleeve.
[0028] Figure 7 An exploded view of the boom structure of a protective cylinder with a protective cover and a top elevation control structure provided by this utility model.
[0029] Explanation of reference numerals in the attached figures:
[0030] 1-Cylinder body, 2-Protective cover structure, 3-First hinge, 4-Second hinge, 5-Conduit support plate, 6-Hanging rod structure, 7-Deformation detection module, 8-Alarm module, 9-Anti-slip drainage block;
[0031] 11-Slurry discharge hole;
[0032] 21-Protective plate, 22-Reinforcing rib;
[0033] 61-Reinforcing cage hanger; 62-Resistant plate;
[0034] 91-Drainage groove, 92-Drainage through hole. Detailed Implementation
[0035] Various exemplary embodiments of the present invention are now described in detail. This detailed description should not be considered as a limitation of the present invention, but should be understood as a more detailed description of certain aspects, features and implementations of the present invention.
[0036] Various improvements and variations can be made to the specific embodiments described in this utility model without departing from the scope or spirit of this utility model, which will be obvious to those skilled in the art. Other embodiments derived from this utility model description will also be obvious to those skilled in the art. This application specification and embodiments are merely exemplary.
[0037] This utility model provides a protective sleeve with a protective cover and a top elevation control structure, such as Figure 1 and 2 The diagram shown is a schematic representation of the protective sleeve. In a specific embodiment, the protective sleeve includes: a sleeve body 1, which is a cylindrical structure with openings at the top and bottom.
[0038] The protective cover structure 2 has its edge movably connected to the top edge of the cylinder 1 via a first hinge 3, allowing the protective cover structure 2 to open and close the top opening of the cylinder 1. Furthermore, the diameter of the protective cover structure 2 is slightly larger than the diameter of the top opening of the cylinder 1.
[0039] A through hole is provided at the center of the protective cover structure 2. A guide tube support plate 5 is movably connected to the edge of the through hole via a second hinge 4. The guide tube support plate 5 can cover the through hole at the center of the protective cover structure 2. Figure 5 As shown, the conduit support plate 5 is a symmetrically arranged two cover plate structure that can be opened upwards around the second hinge 4. In this embodiment, the conduit support plate 5 can be a circular cover plate structure or a rectangular structure. When the conduit support plate 5 is a circular cover plate structure, its diameter is slightly larger than the diameter of the through hole at the axis of the protective cover structure 2. When the conduit support plate 5 is a rectangular cover plate structure, its side length is slightly larger than the side length corresponding to the through hole at the axis of the protective cover structure 2. In addition, the conduit support plate 5 has a through hole at its axis for inserting the conduit. The outer wall of the conduit used for casting has an annular limiting ring. The diameter of the conduit is smaller than the diameter of the through hole at the axis of the conduit support plate 5, but the maximum diameter of the limiting ring is larger than the diameter of the through hole at the axis of the conduit support plate 5, so that when one end of the conduit is inserted into the cylinder 1, the conduit can be suspended in it by the conduit support plate 5, so that the conduit will not go deep into the bottom of the cylinder 1.
[0040] The side wall of the cylinder 1 has two slurry discharge holes 11 symmetrically arranged along the axis. These holes 11 are used to insert the hanging rod structure 6, which is used to suspend the reinforcing cage and limit the height of the top of the cylinder 1 relative to the ground. In this embodiment, the slurry discharge holes 11 are rectangular, and the top of each hole is 30-50cm from the top of the casing. After inserting the hanging rod structure 6, it not only suspends the reinforcing cage inside the cylinder 1, but its two ends located outside the cylinder are also pressed firmly against the ground when the cylinder 1 sinks, preventing the top of the cylinder 1 from being less than 30cm above the ground. This prevents debris from entering the cylinder 1 during pouring and affecting the pouring quality.
[0041] In specific embodiments of this utility model, such as Figure 3 As shown, the protective cover structure 2 consists of two symmetrically arranged semi-circular protective plates 21. The outer edge of each protective plate 21 is movably connected to the top edge of the cylinder 1 via a first hinge 3, allowing it to open upwards around the first hinge 3.
[0042] Furthermore, such as Figure 4 As shown, the bottom of the protective plate 21 is provided with reinforcing ribs 22 to strengthen the structure, improve its load-bearing capacity, and at the same time reduce the thickness of the protective plate and reduce the production and manufacturing costs.
[0043] In addition, a deformation detection module 7 is provided on the bottom surface of the protective plate 21 to detect the deformation of the protective plate 21, thereby reminding construction personnel to pay attention to construction safety. Preferably, the deformation detection module 7 is set on the reinforcing rib 22 for more accurate detection.
[0044] Furthermore, an alarm module 8 is installed on the cylinder 1, which is electrically connected to the deformation detection module 7 for alarm notification. When the protective plate 21 and the reinforcing rib 22 undergo deformation exceeding the design limit, the deformation detection module 7 will transmit a signal to the alarm module 8 and control the alarm module 8 to issue a warning alarm, ensuring the safety of construction personnel.
[0045] Furthermore, the deformation detection module 7 includes at least one strain sensor and a processing unit. The strain sensor is electrically connected to the processing unit and is used to detect the deformation of the protective plate 21. The processing unit analyzes whether the protective plate 21 has reached or exceeded a deformation threshold. When the deformation exceeds the set threshold, the processing unit controls the alarm module 8 to issue a warning alarm.
[0046] In addition, alarm module 8 includes a buzzer and / or warning light, and is electrically connected to a processing unit for emitting alarm sounds and / or warning lights to provide alarm reminders.
[0047] Due to the muddy and wet construction environment, workers are prone to slipping on the protective panels, which could lead to falls and injuries. Therefore, in this specific embodiment of the invention, multiple anti-slip and drainage blocks 9 are evenly distributed on the top surface of the protective panel 21 for anti-slip and drainage purposes.
[0048] Furthermore, such as Figure 6 As shown, the bottom surface of the protective plate 21 welded to the bottom of the anti-slip drainage block 9 has a drainage groove 91. In addition, the top of the anti-slip drainage block 9 has a drainage through hole 92 of the straight drainage groove 91, which accelerates the drainage of the surface of the protective plate 21 and improves the anti-slip effect.
[0049] In a specific embodiment of this utility model, the protective sleeve also includes a power module, which provides power to the deformation detection module 7 and the alarm module 8. In this embodiment, the power module is a rechargeable battery module, which can be reused repeatedly, reducing costs. Furthermore, in this embodiment, the power module, deformation detection module 7, and alarm module 8 are all externally encased in waterproof components, providing waterproof capability.
[0050] In a specific embodiment of this utility model, the suspension rod structure 6 includes: a reinforcing cage suspension rod 61 and a load-bearing plate 62. At least two reinforcing cage suspension rods 61 are arranged in parallel, and both ends of the reinforcing cage suspension rods 61 are fixedly connected to the load-bearing plate 62, thus fixing the reinforcing cage suspension rods 61 relative to each other. Furthermore, the reinforcing cage suspension rods 61 and the load-bearing plate 62 are movably engaged or welded together.
[0051] Specifically, during construction, the cylinder 1 is first embedded. Then, the reinforcing cage is placed inside the cylinder 1, and then inserted into the suspension structure through the grout discharge hole 11, allowing the reinforcing cage to be suspended on the reinforcing cage suspension rod 61 of the suspension structure 6. This prevents the reinforcing cage from shifting or tilting during later pouring, thus avoiding a reduction in pouring quality.
[0052] In this embodiment, the material of the steel cage hanger 61 should preferably have the properties of high strength, resistance to deformation and corrosion, and then a lightweight material should be selected from among them.
[0053] The load-bearing plate 62 is designed to increase the overall load-bearing area at both ends of the suspension rod structure, thereby reducing the pressure per unit area. When the cylinder 1 descends, it can withstand greater pressure without sinking into the ground, thus minimizing the risk of sinking of the cylinder 1 and the reinforcing cage.
[0054] The above description is merely an illustrative embodiment of this utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of this utility model shall fall within the scope of protection of this utility model.
Claims
1. A protective casing with a protective cover and a top elevation control structure, characterized in that, The protective sleeve includes: a cylindrical body (1), wherein the cylindrical body (1) is a cylindrical structure with openings at the top and bottom; The protective cover structure (2) has its edge movably connected to the top edge of the cylinder (1) via a first hinge (3), and the protective cover structure (2) is capable of opening and closing the top opening of the cylinder (1); The protective cover structure (2) has a through hole at its axis, and the edge of the through hole is movably connected to a guide tube support plate (5) via a second hinge (4). The guide tube support plate (5) is a symmetrically arranged two cover plate structure that can be opened upwards. The catheter support plate (5) has a through hole at its axis for inserting a catheter; The side wall of the cylinder (1) has two slurry discharge holes (11) symmetrically arranged along the axis. The two slurry discharge holes (11) are used to insert the hanging rod structure (6). The hanging rod structure (6) is used to hang the steel cage and limit the height of the top of the cylinder (1) relative to the ground.
2. The protective casing with a protective cover and a top elevation control structure according to claim 1, characterized in that, The protective cover structure (2) consists of two symmetrically arranged semi-circular protective plates (21). The outer edge of each protective plate (21) is movably connected to the top edge of the cylinder (1) via a first hinge (3).
3. The protective casing with a protective cover and a top elevation control structure according to claim 2, characterized in that, The bottom of the protective plate (21) is provided with reinforcing ribs (22) for strengthening the structure. The bottom surface of the protective plate (21) is provided with a deformation detection module (7) for detecting the deformation of the protective plate (21).
4. The protective casing with a protective cover and a top elevation control structure according to claim 3, characterized in that, An alarm module (8) is provided on the cylinder (1), and the alarm module (8) is electrically connected to the deformation detection module (7) for alarm prompting.
5. The protective casing with a protective cover and a top elevation control structure according to claim 4, characterized in that, The deformation detection module (7) includes at least one strain sensor and a processing unit. The strain sensor is electrically connected to the processing unit and is used to detect the deformation of the protective plate (21) and analyze whether the protective plate (21) reaches or exceeds the deformation threshold through the processing unit. The alarm module (8) includes a buzzer and / or a warning light, which is electrically connected to the processing unit and is used to emit an alarm sound and / or a warning light to provide an alarm reminder.
6. The protective casing with a protective cover and a top elevation control structure according to any one of claims 2-5, characterized in that, The top surface of the protective plate (21) is uniformly provided with multiple anti-slip drainage blocks (9) for anti-slip and drainage.
7. The protective casing with a protective cover and a top elevation control structure according to claim 6, characterized in that, The bottom surface of the protective plate (21) welded to the bottom of the anti-slip drainage block (9) has a drainage groove (91). The top of the anti-slip drainage block (9) has a drainage through hole (92) of the straight drainage groove (91).
8. The protective casing with a protective cover and a top elevation control structure according to claim 4, characterized in that, The casing also has a power module for providing power to the deformation detection module (7) and the alarm module (8).
9. The protective casing with a protective cover and a top elevation control structure according to claim 1, characterized in that, The suspension structure (6) includes: a steel cage suspension rod (61) and a load-bearing plate (62), wherein, At least two of the steel cage hanging rods (61) are arranged in parallel, and the two ends of the steel cage hanging rods (61) are respectively fixedly connected to the force plate (62) to fix the steel cage hanging rods (61) relative to each other.
10. The protective casing with a protective cover and a top elevation control structure according to claim 9, characterized in that, The steel cage hanging rod (61) is movably connected or welded to the load-bearing plate (62).