Self-locking railing base tooling for polar transport ship hatch corner fitting
By designing a self-locking railing base fixture, the self-locking fixation is achieved by utilizing the elasticity of a pressure spring, which solves the problem of time-consuming and labor-intensive traditional scaffolding erection. This enables the rapid and convenient erection of guardrails for the corner brackets of polar transport ships' hatches, reducing costs and improving construction efficiency.
Patent Information
- Application Number
- CN202411777471.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2044-12-05
AI Technical Summary
Traditional scaffolding is used for painting and repairing hatch covers on polar transport ships, which consumes a lot of manpower, time and materials, resulting in low construction efficiency and high cost.
A self-locking railing base fixture for the corner fittings of a polar transport ship hatch cover was designed, including a railing, a support base, a spring base, a pressure spring, and a locking pin for the support base. It is fixed by bolts and uses the elastic force of the pressure spring to achieve self-locking fixation, simplifying the installation process.
It reduces labor input and construction costs, improves construction efficiency, and enables quick and easy installation of guardrails, making it suitable for the repair and painting of hatch corner parts on polar transport ships.
Smart Images

Figure CN119611624B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of safety protection in the construction and repair of polar transport ships, and in particular to a self-locking railing base tooling for the corner fittings of hatch covers on polar transport ships. Background Technology
[0002] Currently, traditional construction scaffolding is used to erect guardrails for the painting and maintenance of hatch covers on existing polar transport ships. Traditional scaffolding requires the use of fasteners and bolts for tightening and the installation of ground-based or diagonal supports.
[0003] This method requires high-altitude operations to erect and dismantle scaffolding and guardrails, which consumes a lot of manpower, time, and scaffolding materials, resulting in low construction efficiency and high economic costs. Summary of the Invention
[0004] The purpose of this invention is to provide a self-locking railing base fixture for corner fittings of hatch covers on polar transport vessels that reduces operating costs and improves construction efficiency.
[0005] The technical solution adopted by the present invention to achieve the above objectives is: a self-locking railing base tooling for the corner fitting of the hatch cover of a polar transport ship, comprising a railing (1), a support base (2), a spring base (3), a pressure spring (4), a spring fixing pin (8), and a support base locking pin (9). The railing (1) is installed on the support base (2), the support base (2) is inserted into the spring base (3) and fixedly connected by the support base locking pin (9), and the pressure spring (4) is fixedly connected to the spring base (3) by the spring fixing pin (8).
[0006] The railing (1) is fixedly installed on the support base (2) by bolts (5) and nuts (6).
[0007] The support base (2) is equipped with a support base plate (7).
[0008] The support base (2) is provided with a fixing groove (10). The support base locking pin (9) is inserted into the fixing groove (10) to lock the support base (2), spring base (3) and pressure spring (4) after they are connected and installed in sequence.
[0009] This invention relates to a self-locking railing base fixture for corner fittings of hatch covers on polar transport vessels. It has a simple structure, low manufacturing cost, and is easy and quick to install, reducing manpower input, lowering operating costs, and improving construction efficiency. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the structure of a self-locking railing base tooling for a corner piece of a polar transport ship hatch, according to the present invention.
[0011] Figure 2This is a schematic diagram of the assembly structure of a self-locking railing base tooling for a corner bracket of a polar transport ship's hatch, according to the present invention. Figure 1 .
[0012] Figure 3 This is a schematic diagram of the assembly structure of a self-locking railing base tooling for a corner bracket of a polar transport ship's hatch, according to the present invention. Figure 2 .
[0013] Figure 4 This is a schematic diagram of the railing structure of a self-locking railing base tooling for a corner fitting of a polar transport ship hatch cover according to the present invention.
[0014] Figure 5 This is a schematic diagram of the support structure of a self-locking railing base tooling for a corner piece of a polar transport ship hatch cover according to the present invention.
[0015] Figure 6 This is a schematic diagram of the spring base structure of a self-locking railing base tooling for a corner piece of a polar transport ship hatch cover according to the present invention.
[0016] Figure 7 This is a schematic diagram showing the usage state of a self-locking railing base tooling for a corner piece of a polar transport ship hatch according to the present invention.
[0017] In the diagram: 1. Railing; 2. Support base; 3. Spring base; 4. Compression spring; 5. Bolt; 6. Nut; 7. Support base plate; 8. Spring fixing pin; 9. Support base locking pin; 10. Fixing groove; 11. Hatch cover corner piece. Detailed Implementation
[0018] like Figures 1 to 7As shown, the self-locking railing base fixture for the corner fitting of the hatch cover of a polar transport ship includes a railing 1, a support base 2, a spring base 3, a pressure spring 4, a support base base plate 7, a spring fixing pin 8, and a support base locking pin 9. The railing 1 is fixedly installed on the support base 2 by bolts 5 and nuts 6. The support base 2 is inserted into the spring base 3 and fixedly connected by the support base locking pin 9. The pressure spring 4 is fixedly connected to the spring base 3 by the spring fixing pin 8. The support base base plate 7 is installed on the support base 2. The support base 2 is provided with a fixing groove 10. The support base locking pin 9 is inserted into the support base 2 after the support base 2, spring base 3, and pressure spring 4 are connected and installed. Locking is performed within the fixed groove 10. When using the self-locking railing base fixture, first, assemble the entire base assembly. Press and adjust the support seat 2 until the overall height of the base fixture is lowered to the appropriate position. Then rotate the support seat 2 to move the locking pin 9 into the locking position. Next, insert the base fixture into the hatch cover corner piece 11 of the polar transport ship where the railing needs to be erected. Rotate the support seat 2 to disengage the locking pin 9. Utilize the upward force of the pressure spring 4 to lift the support seat 2, causing the base plate 7 of the support seat to make tight contact with the adjacent internal structures of the hatch cover corner piece 11, forming a large static friction force. This achieves the locking of the entire base. The locking function is completed by inserting and fixing the railing 1 with bolts 5 and nuts 6, thus completing the installation of the railing base. Before using this tool to erect scaffolding railings, the materials such as railings, railing bases, and railing cables should be prepared in advance according to the quantity and position of the corresponding hatch cover corner pieces, so as to facilitate quick installation during railing erection. The connection and fixing method between this self-locking railing base tool and the corner piece is to insert it and rotate the angle, and then the pressure spring 4 rebounds and lifts the support seat 2, so that the support seat base plate 7 is in close contact with the internal structure of the hatch cover corner piece 11 and forms a large static friction force, thereby realizing the connection and fixing of the entire base tool with the corner piece. The railing 1 can be inserted and connected after the base fixture is installed. The railing 1 needs to be equipped with corresponding handrails, railing cables and other accessories to form an integral guardrail. This fixture can be operated by a single person. The self-locking railing base only needs to be assembled once. Except when it is necessary to disassemble and replace its internal pressure spring 4, it can be regarded as an integral fixture part for use in the construction of the guardrail. This railing base fixture can greatly reduce the number of guardrail erectors, construction time and guardrail material quantity. It has a simple structure, is easy to operate, makes full use of the construction site environment, and can meet the needs of rapid construction and large-scale on-site guardrail erection.
[0019] This invention, a self-locking guardrail base fixture, is designed to address the problems of high time consumption, high material consumption, and high labor costs associated with using traditional scaffolding erection methods in specific environments. This fixture can also be applied to the corner fittings of polar transport vessels. For example, when a polar transport vessel requires maintenance or painting, workers can use this self-locking guardrail base to erect guardrails while working on the top of the vessel. This fixture has low manufacturing costs and is easy and quick to install. Its widespread application in polar transport vessels and their maintenance operations can significantly reduce operating costs, improve construction efficiency, and reduce manpower input.
Claims
1. A method of using a self-locking rail base tooling for polar-class ship hatch corner fittings, the method comprising: It includes rail (1), support seat (2), spring base (3), pressure spring (4), spring fixing pin (8) and support seat locking pin (9), the rail (1) is installed on support seat (2), support seat (2) is inserted into spring base (3) and is fixedly connected through support seat locking pin (9), pressure spring (4) is fixedly connected with spring base (3) through spring fixing pin (8), the rail (1) is fixedly installed on support seat (2) through bolt (5), nut (6), support seat (2) is installed with support seat bottom plate (7), support seat (2) is equipped with fixed groove (10), support seat locking pin (9) is inserted into fixed groove (10) after being connected and installed in support seat (2), spring base (3) and pressure spring (4) in proper order and is locked, first, press the adjustment support seat (2) to the base tool whole height is reduced to the appropriate position after rotating support seat (2), makes support seat locking pin (9) move into the locking position, again the base tool is inserted into the polar transport ship cabin cover angle piece (11) in the need of erecting guardrail, rotate support seat (2), make support seat locking pin (9) separate from the locking state, utilize the elastic force of pressure spring (4) upward, lift support seat (2), make support seat bottom plate (7) and the adjacent structure in the inside of cabin cover angle piece (11) closely contact and form larger static friction, to this to realize the locking function of whole base, finally insert fixed rail (1) and use bolt (5), nut (6) fixed.
Citation Information
Patent Citations
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