A kind of offshore platform guard fence and locking method

By using an auxiliary locking device on the water-based work platform, the problem of loosening due to wear of the locking bolts was solved, improving the stability and operational controllability of the protective fence and reducing maintenance costs.

CN117144876BActive Publication Date: 2026-02-27THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
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Patent Information

Application Number
CN202311392518.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-25
Publication Date
2026-02-27
Estimated Expiration
2043-10-25

AI Technical Summary

Technical Problem

The locking bolts of existing water-based work platforms are prone to wear and loosening after prolonged use, which reduces the stability of the guardrails, poses safety hazards, and results in high maintenance costs.

Method used

An auxiliary locking device is adopted, including a support assembly, a locking limit device, and a control assembly. The additional limiting fixation of the locking bolt and the locking nut, combined with the use of magnetic plates, ensures the firmness and stability of the connection.

Benefits of technology

It improves the stability of the protective fence, reduces the risk of loosening, reduces the need for repair and replacement parts, lowers maintenance costs, and improves operational controllability and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application belongs to the technical field of safety protection, and relates to a water operation platform protective fence and locking method. A hoop is detachably connected with a longitudinal reinforcing block through a locking bolt, and an auxiliary locking device is arranged in the locking bolt. The auxiliary locking device comprises a supporting assembly, a locking limiting device and a control assembly. The supporting assembly is sleeved on the control assembly, and the control assembly is movably connected with the locking limiting device. The auxiliary locking device further ensures the firmness of the protective fence, ensures that the protective fence and related components are not prone to loosening or moving in use, and thus reduces potential dangers and risks.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safety protection, in particular to a water operation platform protection fence and locking method. BACKGROUND

[0002] In the process of building a bridge across a river, a main pier is generally set in the center of the river to minimize the number of construction vessels crossing the river to ensure the safety of social navigation vessels. A water operation platform is usually set around the main pier to provide production convenience for the main pier. The water operation is relatively dangerous, and the safety of construction personnel needs to be accurately ensured.

[0003] In the prior art, a water construction protection platform is disclosed in Chinese patent CN216515484U. The reference in this patent indicates that the guardrail can meet the protection requirements during water operation. In addition, the patent indicates that the hollow square tube is selected as the material for the longitudinal guard block, and through holes are formed in the side wall of the longitudinal guard block. The locking bolt is inserted into the through hole to fasten the longitudinal guard block to the vertical guardrail through the locking bolt.

[0004] However, the locking bolt of the guardrail is prone to wear and loose after long-term use and environmental factors, which may cause the guardrail to loosen and even collapse. SUMMARY

[0005] To solve the problem of wear and loose of the locking bolt of the existing water operation platform after long-term use, the present application provides a water operation platform protection fence and locking method.

[0006] The technical solution of the present application is realized by the following scheme: a water operation protection fence, comprising a guardrail, a plurality of vertical guardrails installed below the guardrail, a plurality of longitudinal guard blocks connected to the vertical guardrails through a hoop, and a plurality of horizontal guardrails installed on the longitudinal guard blocks. The hoop is detachably connected to the longitudinal guard block through a locking bolt, and the locking bolt is provided with an auxiliary locking device.

[0007] The auxiliary locking device comprises a supporting assembly, a locking limiting device and a control assembly. The supporting assembly is sleeved on the control assembly, and the control assembly is movably connected to the locking limiting device.

[0008] Through the above technical scheme, in addition to the threaded connection and fixation of the locking bolt and the locking nut, an additional limiting fixation of the locking nut is provided. Through the auxiliary locking device, the movement of the locking nut is further prevented, the firmness of the connection is ensured, the stability of the protection fence is effectively improved, the risk caused by the loosening of the locking nut is reduced, the need for maintenance and replacement of parts is reduced, and the maintenance cost is reduced.

[0009] As preferred, the control assembly comprises a movable rod, a handle and a limiting block, the handle is fixedly installed on the limiting block through the movable rod, the outer surface of the movable rod is sleeved with a supporting assembly, the end of the handle away from the movable rod penetrates through the supporting assembly, and the movable rod is movably connected with the limiting block through a locking and limiting device.

[0010] As preferred, the supporting assembly comprises a rotating plate, a supporting spring and a fixed ring, the supporting spring is installed between the rotating plate and the fixed ring, the end of the handle away from the movable rod penetrates through the rotating plate, and the fixed ring is installed on the outer surface of the movable rod, and the rotating plate and the supporting spring are sleeved on the outer surface of the movable rod.

[0011] As preferred, the locking and limiting device is located between the fixed ring and the limiting block, and the limiting block is clamped with a locking bolt through a limiting groove.

[0012] Through the above technical scheme, the stability of the control assembly is improved through the supporting assembly, so as to better support the handle and the movable rod, ensure that no shaking or displacement occurs during operation, increase the controllability and service life of the device, and make it easier for the staff to operate.

[0013] As preferred, the locking and limiting device comprises a top holding plate, a plurality of limiting columns and guide blocks, the plurality of limiting columns are overlapped on the surface of the top holding plate, the outer surfaces of the plurality of limiting columns are provided with the guide blocks, the top holding plate is provided with a through hole matched with the limiting block, and the movable rod and the limiting block are movably connected with the top holding plate through the through hole.

[0014] As preferred, the locking bolt is detachably connected with a longitudinal protection block through a locking nut, and the inner side of the locking nut is provided with a fixing groove matched with the limiting column.

[0015] As preferred, the top holding plate is in an elliptical plate structure, and the two sides of the top holding plate close to the center are provided with magnetic attraction pieces.

[0016] As preferred, the locking bolt is provided with a movable groove matched with an auxiliary locking device.

[0017] Through the above technical scheme, the use of the device and the reliable fixing and limiting function are completed through simple operation, and due to the use of the magnetic attraction pieces, the limiting columns are not affected by the gravity factor through magnetic attraction adsorption, and it is ensured that the locking nut is not affected during disassembly.

[0018] The locking method of the water operation platform protective fence comprises the following specific steps:

[0019] Step A: Assemble the guardrail;

[0020] Step B: After assembly, lock and stabilize.

[0021] As a preferred embodiment, the specific operational steps of step B include:

[0022] b1. Tighten the locking nut with the fixing groove on the inside onto the locking bolt, and tighten it to the appropriate position;

[0023] b2, further insert two fingers into the gap between the handle and the rotating plate in the auxiliary locking device and pull them outward until they can no longer be pulled. At this time, the limit block is pulled into the through hole of the top holding plate.

[0024] b3, further rotate the handle 90°, and drive the top plate to rotate through the limit block, so that the top plate lifts the limit post and makes it perfectly inserted into the fixing groove of the lock nut, thus completing the locking and fastening;

[0025] b4, simply reverse the operation, use the magnetic clasp on the side of the top plate to retract the limiting post and disengage it from the fixing groove of the locking nut, then you can disassemble it.

[0026] In summary, the present invention has the following beneficial effects:

[0027] 1. In addition to the threaded connection and fixation of the locking bolt and the locking nut, the present invention provides an additional limiting fixation for the locking nut. Through the auxiliary locking device, it further prevents its movement, ensures the firmness of the connection, effectively improves the stability of the protective fence, reduces the risk that may be caused by the loosening of the locking nut, reduces the need for maintenance and replacement parts, and thus reduces maintenance costs.

[0028] 2. The stability of the control components is increased by adding support components, so that the handle and moving rod can be better supported, ensuring that there is no shaking or displacement during operation, increasing the controllability and service life of the device, and making it easier for operators to operate.

[0029] 3. Through simple operation, the device can be used and reliably fixed and limited. Due to the use of magnetic plates, the limiting post is not affected by gravity through magnetic attraction, ensuring that the locking nut is not affected during disassembly. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the existing three-dimensional structure;

[0031] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0032] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0033] Figure 4 yes Figure 3 A three-dimensional structural diagram of the locking bolts after removing the internal components;

[0034] Figure 5 is a schematic view of the control assembly and part of the support assembly of the present application;

[0035] Figure 6 is a schematic view of the top holding block.

[0036] Legend: 1, longitudinal guard block; 2, hoop; 3, locking bolt; 4, auxiliary locking device; 41, support assembly; 411, rotating plate; 412, support spring; 413, fixing ring; 42, locking and limiting device; 421, top holding plate; 422, limiting column; 423, guide block; 43, control assembly; 431, movable rod; 432, handle; 433, limiting block; 5, locking nut; 6, limiting groove; 7, magnetic piece. DETAILED DESCRIPTION

[0037] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the drawings and examples.

[0038] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description, the present application will be further described in detail below in conjunction with the drawings.

[0039] Example 1: A water operation platform protective fence and locking method, as shown in Figures 1-6 the drawing, comprising a protective fence, and a plurality of vertical guard rails installed below the protective fence, a plurality of longitudinal guard blocks 1 connected with the vertical guard rails through hoops 2 and a plurality of transverse guard rails installed on the longitudinal guard blocks 1, the hoops 2 are detachably connected with the longitudinal guard blocks 1 through locking bolts 3, the locking bolts 3 are provided with auxiliary locking devices 4; the auxiliary locking devices 4 comprise a support assembly 41, a locking and limiting device 42 and a control assembly 43, the support assembly 41 is sleeved on the control assembly 43, the control assembly 43 is movably connected with the locking and limiting device 42, the vertical guard rails and the transverse guard rails cooperate with the hoops 2 on the longitudinal guard blocks to form a protective fence, due to the existence of the auxiliary locking devices 4, in addition to the threaded connection and fixation of the locking bolts 3 and the locking nuts 5, the auxiliary locking devices 4 also provide additional limiting and fixation of the locking nuts 5 to prevent their movement, further ensuring the firmness of the connection, further improving the stability of the protective fence, and reducing the risk that may be caused by the loosening of the locking nuts 5, making the overall longitudinal guard block 1 more secure and stable in fixing the protective fence, the locking bolts 3 are provided with movable grooves matched with the auxiliary locking devices 4, the auxiliary locking devices 4 can be perfectly installed in the locking bolts 3, part of the handles 432 is exposed from the movable grooves, which is convenient for workers to operate.

[0040] The control assembly 43 comprises a movable rod 431, a handle 432 and a limiting block 433, the handle 432 is fixedly installed on the limiting block 433 through the movable rod 431, the outer surface of the movable rod 431 is sleeved with the supporting assembly 41, the end of the handle 432 away from the movable rod 431 penetrates through the supporting assembly 41, the movable rod 431 is movably connected with the limiting block 433 through the locking limiting device 42, the limiting block 433 is a square plate structure, the handle 432 is an "n" type structure, the opening thereof penetrates through the supporting assembly 41 and is movably arranged with the rotating plate 411 of the supporting assembly 41, the center position of the non-opening portion is fixed with the movable rod 431, the movable rod 431 can be pulled out or rotated in the movable groove of the locking bolt 3, wherein the supporting assembly 41 comprises a rotating plate 411, a supporting spring 412 and a fixed ring 413, the supporting spring 412 is installed between the rotating plate 411 and the fixed ring 413, the end of the handle 432 away from the movable rod 431 penetrates through the rotating plate 411, the fixed ring 413 is installed on the outer surface of the movable rod 431, the rotating plate 411 and the supporting spring 412 are sleeved on the outer surface of the movable rod 431, so that the stability of the control assembly 43 is increased, so that the handle 432 and the movable rod 431 can be better supported, unnecessary shaking or displacement during operation is avoided, the staff can be more easily and accurately operated, the supporting spring 412 has an automatic rebounding effect, and after operation is completed, the supporting spring 412 rebounds into the limiting groove 6, so that the staff can be conveniently operated, the rotating plate 411 facilitates the supporting spring 412 on the surface of the fixed ring 413 to follow the rotation of the movable rod 431 without distortion, and the service life of the supporting spring 412 is prolonged, the locking limiting device 42 is located between the fixed ring 413 and the limiting block 433, the limiting block 433 is clamped with the locking bolt 3 through the limiting groove 6, the limiting groove 6 avoids the auxiliary locking device 4 from being deviated to cause locking limiting failure when the auxiliary locking device 4 is not operated or operated, and the limiting groove 6 is opened at the end of the movable groove where the control assembly 43 is located.

[0041] The locking and limiting device 42 comprises a top holding plate 421, a plurality of limiting columns 422 and guide blocks 423. The plurality of limiting columns 422 are overlapped on the surface of the top holding plate 421. The outer surface of the limiting column 422 is provided with a guide block 423. The top holding plate 421 is provided with a through hole matched with the limiting block 433. The movable rod 431 is movably connected with the top holding plate 421 through the through hole. The locking bolt 3 is detachably connected with the longitudinal guard block 1 through the locking nut 5. The inner side of the locking nut 5 is provided with a fixing groove matched with the limiting column 422. The top holding plate 421 is in an elliptical plate structure. The two sides of the top holding plate 421 close to the center are provided with magnetic attraction pieces 7. The number of the limiting columns 422 is two circular columns which are symmetrically arranged about the center of the top holding plate 421 and overlapped with the arc surface of the top holding plate 421. The symmetric arrangement of the limiting columns 422 ensures uniform stress distribution, effectively increasing the stability and reliability of the device. The sliding groove in the movable groove where the limiting column 422 is located is provided with a sliding groove matched with the guide block 423. The guide block 423 plays a role of guiding and limiting the limiting column 422 in the movable groove of the locking bolt 3. When the top holding plate 421 is rotated to the flat side with the magnetic attraction piece 7, the limiting column 422 will be attracted by the magnetic attraction piece 7 and separated from the fixing groove of the locking nut 5, preventing the limiting column 422 from being separated due to gravity. When it is necessary to fix, the limiting column 422 is supported by the protruding edge of the top holding plate 421, and the fixing is completed. Through simple operation, the repeated use and reliable fixing function are completed. Due to the use of the magnetic attraction piece 7, the device has better controllability.

[0042] Embodiment 2: A locking method of a protective fence of a water operation platform, as shown in Figures 1-6 The method comprises the following operation steps:

[0043] Step A: Assemble the guard rail.

[0044] Install the vertical guard rail under the square designed protective fence, and further install the hoop 2 on the vertical guard rail at the four corners. The hoop 2 is provided with a locking bolt 3. The locking bolt 3 passes through the longitudinal guard rail and the locking nut 5 to complete the fixing of the longitudinal guard rail. The horizontal guard rail is installed between two adjacent longitudinal guard rails to complete the assembly of the guard rail.

[0045] Step B: After the assembly is completed, lock and stabilize;

[0046] b1, screw the locking nut 5 with a fixing groove in the inner side to the locking bolt 3, and screw to the appropriate position;

[0047] b2, further insert two fingers into the gap between the handle 432 and the rotating plate 411 of the auxiliary locking device 4, and stretch outward until the stress cannot be stretched. At this time, the limiting block 433 is pulled into the through hole of the top holding plate 421;

[0048] b3, further rotate the handle 432 by 90°, drive the top holding plate 421 to rotate and lift the limiting column 422, so that it is perfectly inserted into the fixing groove of the locking nut 5, and the locking and fastening are completed;

[0049] b4, only reverse operation is needed, the limiting column 422 is retracted by the side magnetic suction piece 7 of the top holding plate 421 to be separated from the fixing groove of the locking nut 5, and then the disassembly can be performed.

[0050] The staff first screws the locking nut 5 to the appropriate position, further inserts two fingers into the gap between the "n" handle 432 and the rotating plate 411, and pulls outwards until it cannot be pulled out, at this time the limiting block 433 at the end of the movable rod 431 is separated from the limiting groove 6 and is in the through hole of the elliptical top holding plate 421, further start to rotate the handle 432, the movable rod 431 drives the limiting block 433 to rotate, at this time the limiting block 433 drives the top holding plate 421 to rotate because the limiting block 433 is in the through hole of the top holding plate 421, the limiting column 422 on the top holding plate 421 is lifted by the convex surface of the top holding plate 421, at this time the limiting column 422 enters the fixing groove of the locking nut 5 to complete the complete limiting and locking, at this time the handle 432 is loosened, the limiting block 433 is bounced back to the limiting groove 6 through the support spring 412, and the fixing of the control assembly 43 is completed.

[0051] If disassembly is needed, only pull out and then rotate the handle 432 by 90° in the opposite direction, at this time the limiting column 422 is separated from the fixing groove of the locking nut 5 by the magnetic suction piece 7 of the concave surface of the top holding plate 421, and then the disassembly can be smoothly performed.

[0052] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change, etc. made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the present application.

Claims

1. A protective fence for a waterborne operation platform, comprising a protective fence, and a plurality of vertical reinforcing rails installed below the protective fence, a plurality of longitudinal reinforcing blocks (1) connected to the vertical reinforcing rails by clamps (2), and a plurality of transverse reinforcing rails installed on the longitudinal reinforcing blocks (1), characterized in that: The clamp (2) is detachably connected to the longitudinal reinforcement block (1) by a locking bolt (3), and an auxiliary locking device (4) is provided inside the locking bolt (3). The auxiliary locking device (4) includes a support component (41), a locking limit device (42), and a control component (43). The support component (41) is sleeved on the control component (43), and the control component (43) is movably connected to the locking limit device (42). The control component (43) includes a movable rod (431), a handle (432), and a limiting block (433). The handle (432) is fixedly mounted on the limiting block (433) via the movable rod (431). A support component (41) is sleeved on the outer surface of the movable rod (431). The end of the handle (432) away from the movable rod (431) passes through the support component (41). The movable rod (431) and the limiting block (433) are movably connected to a locking limiting device (42). The locking and limiting device (42) includes a top plate (421), a plurality of limiting posts (422) and a guide block (423). The plurality of limiting posts (422) overlap the surface of the top plate (421), and the outer surface of the plurality of limiting posts (422) is provided with a guide block (423). The top plate (421) has a through opening that matches the limiting block (433). The movable rod (431) and the limiting block (433) are movably connected to the top plate (421) through the through opening. The locking bolt (3) is detachably connected to the longitudinal reinforcement block (1) via the locking nut (5), and the inner side of the locking nut (5) has a fixing groove that matches the limiting post (422); The top support plate (421) has an elliptical plate structure, and magnetic absorbing pieces (7) are provided on both sides of the top support plate (421) near the center.

2. The protective fence for a waterborne operation platform according to claim 1, characterized in that: The support assembly (41) includes a rotating plate (411), a support spring (412), and a fixing ring (413). The support spring (412) is installed between the rotating plate (411) and the fixing ring (413). The end of the handle (432) away from the movable rod (431) passes through the rotating plate (411). The fixing ring (413) is installed on the outer surface of the movable rod (431). The rotating plate (411) and the support spring (412) are sleeved on the outer surface of the movable rod (431).

3. The protective fence for a waterborne operation platform according to claim 2, characterized in that: The locking and limiting device (42) is located between the fixing ring (413) and the limiting block (433), and the limiting block (433) engages the locking bolt (3) through the limiting groove (6).

4. The protective fence for a waterborne operation platform according to claim 1, characterized in that: The locking bolt (3) has a movable groove that is compatible with the auxiliary locking device (4).

5. A locking method for the protective fence of a waterborne operation platform as described in claim 3, characterized in that, The following steps are included: Step A: Assemble the guardrail; Step B: After assembly, tighten and secure the parts.

6. The locking method for a protective fence of a waterborne operation platform according to claim 5, characterized in that: The specific steps in step B include: b1, screw the locking nut (5) with the fixing groove on the inside onto the locking bolt (3) and screw it to the appropriate position; b2, further insert two fingers into the gap between the handle (432) and the rotating plate (411) in the auxiliary locking device (4) and pull them outward until they can no longer be stretched. At this time, the limiting block (433) is pulled into the through hole of the top holding plate (421). b3, further rotate the handle (432) 90°, drive the top plate (421) to rotate and lift the limit post (422), so that it is perfectly inserted into the fixing groove of the locking nut (5) to complete the locking and fastening; b4, simply reverse the operation, and the limiting post (422) will be retracted by the magnetic suction piece (7) on the side of the top holding plate (421) and disengaged from the fixing groove of the locking nut (5) so that it can be disassembled.

Citation Information

Patent Citations

  • Overwater construction protection platform

    CN216515484U

  • Anti-theft self-locking bolt

    CN218440155U