Pipe maintenance platform protection device for comprehensive pipe gallery

Abstract

This utility model provides a protective device for a comprehensive utility tunnel pipeline maintenance platform. Relating to the field of utility tunnel maintenance, it addresses the problem that current protective structures for maintenance platforms easily obstruct utility tunnel facilities when not in use. The railing is hinged to the side of the maintenance platform via supports, forming a cantilever structure, rather than being directly anchored to the platform surface. This avoids the occupancy of traditional steel railings on the platform width, ensuring the effective usable width of the maintenance platform. When protection is not needed, the engagement between the top pin of the support and the railing retainer is released, allowing the railing to flip around the support and below the maintenance platform. Since the railing is below the platform after flipping, it will not obstruct the layout of the utility tunnel facilities above, solving the obstruction problem of the cantilever structure when not in use. When protection is needed, the railing is flipped above the maintenance platform, and the engagement between the top pin of the support and the retainer on the railing restrains the railing's position, keeping it in a protected state and providing safety protection for the platform.

Description

Technical Field

[0001] This utility model relates to the field of utility tunnel maintenance, and in particular to a protective device for a comprehensive utility tunnel pipeline maintenance platform. Background Technology

[0002] Integrated utility tunnels typically house various pipelines, including heating, water supply, reclaimed water, electricity, and telecommunications lines, with outlets installed approximately every 200 meters. These outlets are generally top-mounted, and maintenance platforms are usually installed using the roof structure of adjacent compartments. The maintenance platform serves two purposes: providing space for laying pipeline bends and ensuring safe operation during pipeline maintenance.

[0003] The width of the maintenance platform is generally set at 1.5m, with a clear height of about 2m. Currently, most maintenance platforms are equipped with steel guardrails for anchoring, but these guardrails encroach on the platform's width, reducing the effective usable width to only about 1.3m. Existing technologies disclose some platforms for underground or narrow space operations that reduce space encroachment by setting cantilever structures along the platform's outer edge and installing corresponding protective components. However, when not in use, these structures can obstruct the installation of overhead utility tunnels, making it difficult to adjust their positions as needed and achieve the desired protective effect. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a protective device for a comprehensive utility tunnel pipeline maintenance platform. The railing is hinged to the side of the maintenance platform via a support, forming a cantilever structure, rather than being directly anchored to the platform surface. This avoids the occupancy of the platform width by traditional steel railings, ensuring the effective usable width of the maintenance platform. When protection is not required, the engagement between the top pin of the support and the railing retainer is released, and the railing can be flipped around the support to below the maintenance platform. Since the railing is located below the platform after flipping, it will not obstruct the layout of the utility tunnel facilities above, thus solving the obstruction problem of the cantilever structure when not in use.

[0005] To achieve the above objectives, the following technical solution is adopted: A protective device for a pipeline maintenance platform in a utility tunnel includes: The railing is hinged to a support at one end. The support is fixed to the side of the maintenance platform by anchor bars to form a cantilever structure. Multiple railings are distributed at intervals in sequence and can be flipped relative to the support to the top or bottom of the maintenance platform. The railings are equipped with retaining rings. The bracket, in the form of a triangular frame structure, is installed on the top edge of the maintenance platform. The bottom is fixed to the maintenance platform by anchor bars, and the top is detachably connected to a retaining ring by a pin. When the pin is connected to the retaining ring, it constrains the position of the railing relative to the maintenance platform. Multiple brackets are distributed at intervals along the edge of the cross surface.

[0006] Furthermore, the railing is equipped with hooks, and a protective net is installed between adjacent railings. The two ends of the protective net can be detachably hooked onto the hooks of different railings.

[0007] Furthermore, the railing is equipped with multiple sets of hooks, which are distributed sequentially along the railing axis, and multiple protective nets are installed between adjacent railings.

[0008] Furthermore, the railing is arranged outside the maintenance platform by a support, and the top of the support extends outside the maintenance platform and cooperates with the retaining ring on the railing.

[0009] Furthermore, a pivot is connected between some adjacent supports. The pivot is installed on the side of the support near the edge of the maintenance platform. A pedal is installed on the pivot. When the pedal is horizontal, the end away from the pivot abuts against a limit block on the support to maintain the position of the pedal.

[0010] Furthermore, the pedal is rotatably coupled with the pivot, and the pedal rotates relative to the pivot to retract or unfold.

[0011] Furthermore, the retaining ring includes a U-shaped buckle, one end of which is fixed to the railing, and the U-shaped buckle and the railing together form a mating hole for the mating pin.

[0012] Furthermore, the support includes a vertical rod and a diagonal brace. The bottom end of the vertical rod is connected to an anchor bar through a pre-embedded plate, and the top end is connected to the diagonal brace, forming a triangular structure with the diagonal brace. The bottom end of the diagonal brace is connected to an anchor bar through another pre-embedded plate, and the other end extends to the outside of the maintenance platform and is fitted with a pin.

[0013] Furthermore, the anchor bars and embedded plates are embedded within the maintenance platform.

[0014] Furthermore, the support is connected to the railing via a hinge, and a spherical protective shell is installed on the top of the railing.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are: To address the issue that current maintenance platform protective structures can obstruct utility tunnel facilities when not in use, the railings are hinged to the side of the maintenance platform via supports, forming a cantilever structure instead of being directly anchored to the platform surface. This avoids the width occupation of traditional steel railings, ensuring the effective usable width of the maintenance platform. When protection is not needed, the engagement between the top pin of the support and the railing's retaining ring is released, allowing the railing to rotate around the support and move below the maintenance platform. Since the railing is below the platform after rotation, it will not obstruct the layout of the utility tunnel facilities above, solving the obstruction problem of the cantilever structure when not in use. When protection is needed, the railing is rotated above the maintenance platform, and the engagement between the top pin of the support and the retaining ring on the railing restrains the railing's position, keeping it in a protected state and providing safety protection for the platform. If the position needs to be adjusted to adapt to different working conditions, simply release the engagement between the pin and the retaining ring, and rotate the railing to change its position, achieving flexible adjustment.

[0016] The spacing of railings alone is insufficient to create continuous protection. The combination of hooks and safety nets can fill the gaps between railings, preventing people or tools from falling. The design of multiple sets of hooks and multiple layers of safety nets can adjust the protection density according to the protection needs. The detachable feature makes it easy to store with the railings when not in a protected state, without taking up extra space. This enhances safety and avoids encroaching on the space of the maintenance platform. Attached Figure Description

[0017] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0018] Figure 1 This is a schematic diagram of the protective device for the integrated utility tunnel pipeline maintenance platform in this embodiment of the present invention.

[0019] Figure 2 This is a side view schematic diagram of the protective device for the integrated utility tunnel pipeline maintenance platform in an embodiment of this utility model.

[0020] Figure 3 This is a schematic diagram of the bracket connecting the railing in an embodiment of this utility model.

[0021] Figure 4 This is a schematic diagram of the pedal being installed on the bracket in an embodiment of this utility model.

[0022] Figure 5 This is a schematic diagram of the installation of protective netting between railings in an embodiment of this utility model.

[0023] In the diagram, 1 is the maintenance platform; 2 is the support; 3 is the railing; 4 is the protective net; 5 is the bracket; 6 is the cross-section; 7 is the retaining ring; 8 is the pedal; 9 is the limit block; 10 is the anchor bar; and 11 is the rotating shaft. Detailed Implementation

[0024] In a typical embodiment of this utility model, such as Figures 1-5 As shown, a protective device for a pipeline maintenance platform in an integrated utility tunnel is proposed.

[0025] Existing steel guardrail anchoring installations encroach on the platform width, reducing the effective usable space. While cantilevered protective components reduce space encroachment, they obstruct overhead utility tunnel facilities when not in use and cannot be flexibly adjusted to balance protection and obstacle avoidance requirements. Therefore, this embodiment provides a protective device for a comprehensive utility tunnel pipeline maintenance platform 1 that reduces encroachment on the effective width of the maintenance platform 1, avoids obstructing overhead facilities when not in use, and allows for position adjustment as needed to ensure protective functionality.

[0026] like Figures 1-5 As shown, the protective device of the integrated utility tunnel pipeline maintenance platform 1 includes railings 3, supports 5 and protective netting 4.

[0027] Multiple railings 3 are distributed at intervals along the length of the edge of the maintenance platform 1. One end of each railing 3 is hinged to a support 2. The support 2 is fixed to the side of the edge of the maintenance platform 1 by anchor bars 10, forming a cantilever structure. The railings 3 can be flipped relative to the support 2 to the top or bottom of the maintenance platform 1, and a retaining ring 7 is installed on the railings 3.

[0028] The top of the maintenance platform 1 is the cross surface 6 for carrying personnel. The support 5 has a triangular frame structure and is installed on the edge of the top cross surface 6 of the maintenance platform 1. The bottom is fixed to the maintenance platform 1 by anchor bars 10, and the top is detachably engaged with the retaining ring 7 by a pin. Multiple supports 5 are distributed at intervals along the edge of the cross surface 6. When the railing 3 is flipped over to the top of the maintenance platform 1, the supports 5 are associated with the pins. The pins are engaged with the retaining ring 7, thereby constraining the position of the railing 3 relative to the maintenance platform 1.

[0029] The railing 3 is hinged to the side of the maintenance platform 1 via the support 2, forming a cantilever structure, rather than being directly anchored to the platform surface. This avoids the occupancy of traditional steel railings on the platform width, ensuring the effective usable width of the maintenance platform 1. When protection is not required, the engagement between the top pin of the support 5 and the retaining ring 7 of the railing 3 is released, allowing the railing 3 to be flipped around the support 2 and placed below the maintenance platform 1. Since the railing 3 is located below the platform after flipping, it will not obstruct the installation of the overhead pipe rack facilities, solving the obstruction problem of the cantilever structure when not in use. When protection is required, the railing 3 is flipped above the maintenance platform 1, and the position of the railing 3 is restrained by the engagement between the top pin of the support 5 and the retaining ring 7 on the railing 3, keeping it in a protected state and providing safety protection for the platform. If the position needs to be adjusted to adapt to different working conditions, simply release the engagement between the pin and the retaining ring 7, and flip the railing 3 to change its position, achieving flexible adjustment.

[0030] The railing 3 adopts a side cantilever structure, avoiding encroachment on the width of the maintenance platform 1. Compared with traditional steel railings, it effectively preserves the original design width of the platform and improves the utilization rate of the operating space. When not in use, the railing 3 can be flipped under the platform, without obstructing the heating, water supply, and other pipelines and facilities in the pipe gallery above, ensuring the normal layout and maintenance of the pipe gallery facilities. Through the detachable engagement of the pin and the retaining ring 7, the railing 3 can be flipped upwards to form a protective state or downwards to form an avoidance state as needed, taking into account both protective functions and position adjustment requirements, ensuring stable and safe operation during operation.

[0031] like Figure 1 and Figure 5 As shown, the railing 3 is equipped with hooks, and a protective net 4 is installed between adjacent railings 3. The two ends of the protective net 4 can be detachably hooked onto the hooks of the opposite railings 3. In addition, the railing 3 is equipped with multiple sets of hooks, which are distributed sequentially along the axial direction of the railing 3, and multiple protective nets 4 are installed between adjacent railings 3.

[0032] The safety is reinforced by the combination of the safety net 4 and hooks. Simply relying on the spaced railings 3 is insufficient to create continuous protection. The hooks and safety net 4 work together to fill the gaps in the railings 3, preventing people or tools from falling. Multiple sets of hooks working with multiple layers of safety net 4 allow for adjustments to the protection density according to needs. Their detachable nature makes them easy to store along with the railings 3 when not in use, without taking up extra space and enhancing safety.

[0033] like Figure 2 , Figure 3 As shown, the positions of the railing 3 and the support 5 are adapted to each other. The railing 3 is arranged outside the maintenance platform 1 via the support 2, and the top of the support 5 extends outside the platform and cooperates with the retaining ring 7 on the railing 3. The tops of both the railing 3 and the support 5 are located outside the platform, so that the main body of the protective structure does not occupy the internal width of the platform, ensuring the effective width of the platform of 1.5m.

[0034] Meanwhile, the triangular structure (vertical rod + diagonal brace) of bracket 5 utilizes the stability of triangles to form a stable support outside the platform, ensuring the load-bearing capacity of railing 3 in the protected state.

[0035] like Figure 4 As shown, after multiple supports 5 are spaced apart, to meet the climbing requirements of some locations, a rotating shaft 11 is connected between some adjacent supports 5. The rotating shaft 11 is installed on the side of the support 5 near the edge of the maintenance platform 1. A foot pedal 8 is installed on the rotating shaft 11. When the foot pedal 8 is horizontal, the end away from the rotating shaft 11 abuts against a limiting block 9 on the support 5 to maintain the position of the foot pedal 8. The foot pedal 8 and the rotating shaft 11 rotate in a rotatable engagement, and the foot pedal 8 rotates relative to the rotating shaft 11 to be retracted or extended.

[0036] The pedal 8 is installed between the brackets 5 via the pivot 11. When unfolded, it is fixed to a horizontal state by the limiting block 9, which can temporarily expand the operating space, such as for people to step on or place tools. When not in use, the pedal 8 can be rotated around the pivot 11 to be stored, and rotated to a vertical state for storage, so as to avoid obstructing the facilities above or around the platform, and realize the space adaptation of expanding as needed and retracting when not in use.

[0037] The retaining ring 7 includes a U-shaped buckle. One end of the U-shaped buckle is fixed to the railing 3. The U-shaped buckle and the railing 3 form a mating hole for the mating pin.

[0038] The support 5 includes vertical rods and diagonal braces. The bottom end of the vertical rod is connected to the anchor bar 10 through a pre-embedded plate, and the top end is connected to the diagonal brace, forming a triangular structure together with the diagonal brace. The bottom end of the diagonal brace is connected to the anchor bar 10 through another pre-embedded plate, and the other end extends to the outside of the maintenance platform 1 and is fitted with a pin. The support 2 and the railing 3 are connected by a hinge, and the top of the railing 3 is equipped with a spherical protective shell.

[0039] The retaining ring 7 is fixedly installed at the top of the bracket 5 corresponding to the railing 3. Besides using a U-shaped buckle structure, the retaining ring 7 can also be a ring-shaped structure, with its inner diameter matching the outer diameter of the pin, used to accommodate the pin and form a constraint. The bracket 5 is a triangular frame structure with a pre-drilled hole at the top corresponding to the position of the retaining ring 7. The pin passes laterally through the pre-drilled hole and can be inserted and removed axially. The length of the pin is greater than the sum of the axial length of the mating hole formed on the retaining ring 7 and the axial length of the pre-drilled hole, ensuring that the retaining ring 7 can stably bear the lateral force of the railing 3 after insertion.

[0040] When the protective function needs to be activated, the railing 3 is flipped upwards around the support 2 until it is in the preset protective position above the maintenance platform 1, at which point the railing 3 is approximately perpendicular to the platform surface. At this time, the retaining ring 7 on the railing 3 is aligned with the pin at the top of the bracket 5, pushing the pin axially into the retaining ring 7. The engagement of the pin and the retaining ring 7 restricts the rotational freedom of the railing 3, preventing it from rotating around the support 2, thus maintaining it in the protective position and forming a safety barrier around the edge of the maintenance platform 1.

[0041] When it is necessary to avoid the facilities above or adjust the position, reverse the operation of the pin and pull it out axially from the retaining ring 7 to release the constraint on the retaining ring 7. At this time, the rotation freedom of the railing 3 is restored, and it can rotate downward around the support 2 to below the maintenance platform 1 to avoid obstructing the facilities above the pipe gallery.

[0042] To facilitate the flipping of the railing 3, a flexible cable can be pre-connected to the railing 3. One end of the flexible cable flips with the railing 3 to below the maintenance platform 1, and the other end can be connected to the bracket 5. In use, the railing 3 is flipped by pulling the flexible cable. The flexible cable can be a flexible rope, wire rope, etc.

[0043] The U-shaped buckle ring 7 and the pin shaft are simple and reliable to work together, making it easy to quickly fix or release the position of the railing 3; the embedded plate and anchor bar 10 are embedded in the platform to enhance the connection strength between the support 5 and the platform and prevent loosening; the hinge connection ensures that the railing 3 can be flipped flexibly, while the spherical protective shell prevents the sharp part at the top of the railing 3 from causing bumps and improves the safety of operation.

[0044] Overall, the main body of the railing 3 and support 5 is located outside the platform, completely avoiding encroachment on the platform's width. The retractable design of the step stool 8 expands the temporary space without affecting the facility layout when not in use, making full use of the 1.5m design width. The protective net 4 is detachable, the step stool 8 is retractable, and the railing 3 is flip-up, allowing the device to flexibly switch states according to different working conditions. The triangular support 5 and the pre-embedded fixing method ensure the stability of the structure during frequent adjustments, adapting to the complex usage scenarios within the utility tunnel.

[0045] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A utility tunnel conduit maintenance platform guard characterized by, include: The railing is hinged to a support at one end. The support is fixed to the side of the maintenance platform by anchor bars to form a cantilever structure. Multiple railings are distributed at intervals in sequence and can be flipped relative to the support to the top or bottom of the maintenance platform. The railings are equipped with retaining rings. The bracket, in the form of a triangular frame structure, is installed on the top edge of the maintenance platform. The bottom is fixed to the maintenance platform by anchor bars, and the top is detachably connected to a retaining ring by a pin. When the pin is connected to the retaining ring, it constrains the position of the railing relative to the maintenance platform. Multiple brackets are distributed at intervals along the edge of the cross surface.

2. The utility tunnel conduit access platform guard of claim 1, wherein, The railing is equipped with hooks, and a protective net is installed between adjacent railings. The two ends of the protective net can be detachably hooked onto the hooks of different railings.

3. The utility tunnel conduit access platform guard of claim 2, wherein, The railing is equipped with multiple sets of hooks, which are distributed sequentially along the railing axis, and multiple protective nets are installed between adjacent railings.

4. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 1, characterized in that, The railing is mounted outside the maintenance platform via supports, with the top of the support extending outside the maintenance platform and engaging with the retaining rings on the railing.

5. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 1 or 4, characterized in that, Some adjacent supports are connected by a pivot. The pivot is installed on the side of the support near the edge of the maintenance platform. A pedal is installed on the pivot. When the pedal is horizontal, the end away from the pivot abuts against a limit block on the support to maintain the position of the pedal.

6. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 5, characterized in that, The pedal is rotatably coupled with the pivot, and the pedal rotates relative to the pivot to be retracted or unfolded.

7. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 1, characterized in that, The retaining ring includes a U-shaped buckle, one end of which is fixed to the railing, and the U-shaped buckle and the railing together form a mating hole for the mating pin.

8. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 1, characterized in that, The support includes vertical rods and diagonal braces. The bottom end of the vertical rod is connected to the anchor bar through a pre-embedded plate, and the top end is connected to the diagonal brace, forming a triangular structure with the diagonal brace. The bottom end of the diagonal brace is connected to the anchor bar through another pre-embedded plate, and the other end extends to the outside of the maintenance platform and is fitted with a pin.

9. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 8, characterized in that, The anchor bars and embedded plates are installed inside the maintenance platform.

10. The protective device for the integrated utility tunnel pipeline maintenance platform as described in claim 1, characterized in that, The support is connected to the railing by a hinge, and a spherical protective shell is installed on the top of the railing.

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