Large pipe culvert structure convenient to hoist
By designing a reinforced concrete culvert structure, using rubber sealing construction and threaded connections, and combining it with a hook ruler for fixing, the problems of insufficient bending and flexural strength and difficulty in alignment during the hoisting of large culverts were solved, achieving efficient and safe hoisting results.
Patent Information
- Application Number
- CN202520465092.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing methods for hoisting large culverts have insufficient resistance to bending and flexural stress, making components prone to damage during hoisting and difficult to align, thus affecting construction safety and progress.
A large culvert structure that is easy to hoist is designed. It is made of reinforced concrete and has rubber sealing structures and hoisting pin holes at both ends. During hoisting, threaded connections and hooks are used for fixation. Combined with the auxiliary hook of the crane, the stability and smoothness are improved.
It improved the stability and smoothness of the hoisting process, increased hoisting efficiency, enhanced construction quality, reduced component damage and material waste, and improved construction safety and progress.
Smart Images
Figure CN223867127U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction, specifically to a large culvert structure that is easy to hoist. Background Technology
[0002] Currently, the methods used for hoisting large culverts include: oblique hoisting and straight hoisting. In the oblique hoisting method, the culvert is tied in a horizontal position and can be lifted directly from inside without turning it over. After lifting, the slings are at the center of the culvert, allowing for a smaller lifting height, but alignment is inconvenient, and the center of the culvert must have sufficient bending resistance. In the straight hoisting method, the culvert must be turned over before hoisting. After lifting, the culvert is in an upright position, and the crane hook must extend beyond the top of the culvert. The slings are on both sides of the culvert, requiring a spreader bar. The required lifting height is greater than in the oblique hoisting method. The culvert has greater rigidity and enhanced bending resistance after being turned over. However, the culvert is perpendicular to the trench during hoisting, making alignment more difficult. Conventional culvert hoisting places high demands on the bending and flexural strength of the components. Improper use of hoisting points during the hoisting process can easily damage the components, make it difficult to align the culvert components, and result in poor safety performance during hoisting. The culvert may roll due to external forces, which can lead to waste of labor and materials and affect the construction progress.
[0003] Because of the many drawbacks of the above approach, we designed a large culvert structure that is easy to hoist. Summary of the Invention
[0004] The purpose of this invention is to provide a large culvert structure that is easy to hoist, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A large culvert structure that is easy to hoist comprises multiple culvert units connected together. Each culvert unit is cylindrical. The left end of the culvert unit has a connecting section that is lower than the outer diameter of the culvert. The end face of the connecting section is coated with a rubber sealing structure A. The right end of the culvert unit has a connecting groove. The end face of the connecting groove is coated with a rubber sealing structure B. Rubber sealing structures A and B have mutually cooperating grooves and protrusions, respectively. Hoisting pin holes are provided at both ends of the radial direction in the middle of the culvert. The upper end of the hoisting pin hole has a threaded structure and a water-stop ring in the middle.
[0007] Furthermore, the lifting pin holes at both ends of the culvert are used to connect with the lifting slings, and the depth of the lifting pin holes is less than the thickness of the culvert.
[0008] Furthermore, the main body of the culvert is made of reinforced concrete.
[0009] During hoisting, the hoisting holes of the balance beam are attached to the crane hook. Both ends of the balance beam are connected to the sling pins of the slings through the attachment holes. The threaded end of the sling's fixing pin is then inserted into the hoisting pin hole of the culvert and threadedly connected to the threaded structure, making the hoisting more stable. The sling is attached to the crane's auxiliary hook through a third sling. The culvert is placed between the bottom of the sling and the auxiliary components, and the distance is adjusted and fixed with fixing bolts. The fixing bolts are tightened to secure the culvert to the sling, increasing the lifting capacity and making the hoisting more stable.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] This utility model features a threaded lifting hole on the culvert, with threaded connection to the lifting sling, ensuring the fixing pin is securely fixed to the culvert. Simultaneously, a hook gauge is attached to the front end of the culvert using the crane's auxiliary hook, resulting in a smoother lifting process and higher efficiency. Furthermore, the rubber sealing structure at both ends of the culvert, the water-stop rings in the lifting hole, and the reinforced concrete material used for the culvert wall significantly improve construction quality. Attached Figure Description
[0012] Figure 1 This is an overall appearance drawing of the present invention (two culvert units).
[0013] Figure 2 This is a cross-sectional view of the present invention (two culvert units).
[0014] Figure 3 This is a 3D view of a culvert unit.
[0015] Figure 4 This is a schematic diagram of the lifting pin holes.
[0016] Figure 5 This is a reference diagram showing the usage status.
[0017] Marked in the diagram: 1. Balance beam; 2. Lifting sling; 3. Hook gauge; 4. Culvert; 5. Secondary lifting hook; 6. Lifting hook;
[0018] 41. Rubber sealing structure A; 42. Lifting pin hole; 421. Threaded structure; 422. Water-stop ring; 43. Rubber sealing structure B; 44. Reinforced concrete. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1 —5, a large culvert structure that is easy to hoist, comprising multiple culvert units connected together. Each culvert unit is cylindrical. The left end of each culvert unit has a connecting section that is lower than the outer diameter of the culvert. The end face of the connecting section is coated with a rubber sealing structure A41. The right end of the culvert unit has a connecting groove. The end face of the connecting groove is coated with a rubber sealing structure B43. The rubber sealing structures A41 and B43 have mutually cooperating grooves and protrusions respectively. The culvert 4 has hoisting pin holes 42 at both ends of the radial direction in the middle. The upper end of the hoisting pin hole 42 has a threaded structure 421 and a water-stop ring 422 in the middle.
[0021] Furthermore, the lifting pin holes at both ends of the culvert are used to connect with the lifting slings, and the depth of the lifting pin holes 42 is less than the thickness of the culvert.
[0022] Furthermore, the main body of the culvert 4 is made of reinforced concrete 44 material.
[0023] During hoisting, the hoisting holes of the balance beam 1 are hung on the crane hook 6. The two ends of the balance beam 1 are connected to the sling pins of the sling 2 through the hook holes. Then, the threaded end of the fixing pin of the sling 2 is inserted into the hoisting pin hole of the culvert 4 and threadedly connected to the threaded structure, making the hoisting more stable. The hook is hung on the crane auxiliary hook 5 through the third sling. The culvert 4 is placed between the bottom of the hook 3 and the auxiliary parts, and the distance is adjusted and fixed with fixing bolts. The fixing bolts are tightened to fix the culvert on the hook 3, increasing the lifting capacity and making the hoisting more stable.
[0024] This utility model features a threaded lifting hole on the culvert, with threaded connection to the lifting sling, ensuring the fixing pin is securely fixed to the culvert. Simultaneously, a hook gauge is attached to the front end of the culvert using the crane's auxiliary hook, resulting in a smoother lifting process and higher efficiency. Furthermore, the rubber sealing structure at both ends of the culvert, the water-stop rings in the lifting hole, and the reinforced concrete material used for the culvert wall significantly improve construction quality.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A large pipe culvert structure that is easy to hoist, characterized in that: It consists of multiple culvert units connected together. Each culvert unit is cylindrical. The left end of each culvert unit has a connecting section that is lower than the outer diameter of the culvert. The end face of the connecting section is coated with a rubber sealing structure A (41). The right end of the culvert unit has a connecting groove. The end face of the connecting groove is coated with a rubber sealing structure B (43). The rubber sealing structure A (41) and the rubber sealing structure B (43) have grooves and protrusions that cooperate with each other. The culvert (4) has lifting pin holes (42) at both ends of the radial direction in the middle. The upper end of the lifting pin hole (42) is equipped with a threaded structure (421) and a water-stop ring (422) in the middle.
2. A large culvert structure that is easy to hoist as described in claim 1, characterized in that: The lifting pin holes (42) at both ends of the culvert (4) are used to connect with the lifting slings (2) and the depth of the lifting pin holes (42) is less than the thickness of the culvert.
3. A large culvert structure that is easy to hoist as described in claim 1, characterized in that: The main body of the culvert (4) is made of reinforced concrete (44).