Pipe gallery escape opening hydraulic well lid installation method for improving safety

Abstract

The application relates to a pipe gallery escape opening hydraulic well cover installation method for improving safety, and the specific operation steps are as follows: step one, escape opening wall pouring; step two, escape ladder installation; step three, control device installation; step four, well ring and well cover installation; step five, jacking device installation; and step six, well cover debugging. After the escape opening wall pouring is completed, the escape ladder is installed to provide convenience for material transportation; the control device in the pipe gallery is installed, then the upper well ring and the well cover are installed to provide favorable conditions for the installation operation platform of the jacking device in the later period, and finally the hydraulic well cover jacking device is installed. While the installation sequence is adjusted, the jacking device installation link with relatively high risk is installed by using a suspension operation platform, the installation quality is guaranteed, the installation operation safety is improved, and the overall installation efficiency of the pipe gallery project is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of installation of hydraulic manhole covers of pipe gallery escape openings, and particularly relates to a pipe gallery escape opening hydraulic manhole cover installation method with improved safety. BACKGROUND

[0002] A comprehensive pipe gallery is a city underground pipe gallery comprehensive corridor. In order to facilitate the maintenance of the internal equipment and pipes of the pipe gallery, escape openings for personnel are provided at intervals on the top. An escape opening is generally composed of a well wall, an escape ladder, and a hydraulic manhole cover. The hydraulic manhole cover is composed of a manhole cover well ring, a manhole cover lifting device installed on the escape opening wall, and a control device installed in the pipe gallery. In the traditional hydraulic manhole cover construction process, the installation sequence is from top to bottom. The operation surface of the manhole cover well ring and the control device is relatively wide. The installation of the lifting device is narrow due to the narrowness of the escape opening, and the escape ladder occupies a certain space. The installation personnel complete the installation operation on the escape ladder, which has a high safety risk and low installation quality and efficiency. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a pipe gallery escape opening hydraulic manhole cover installation method with improved safety, which provides a relatively safe and stable operation platform for the operating personnel, greatly improves the safety performance of the installation operation, speeds up the overall installation efficiency of the hydraulic manhole cover, and ensures the installation quality.

[0004] The technical solution adopted by the present application to solve the technical problem is to provide a pipe gallery escape opening hydraulic manhole cover installation method with improved safety, and the specific operation steps are as follows:

[0005] Step one, pouring of the escape opening wall:

[0006] Bundling steel bars at the pipe gallery opening, and pouring wall concrete to form the required escape opening wall after completing the steel bar bundling;

[0007] Step two, installation of the escape ladder:

[0008] The escape ladder is a prefabricated steel structure ladder. The escape ladder is fixed to the escape opening wall and the ground, which provides convenience for the personnel to enter and exit and for the transportation of materials.

[0009] Step three, installation of the control device:

[0010] The control device is installed on the wall in the pipe gallery, which facilitates the personnel to control the opening of the manhole cover.

[0011] Step four, installation of the well ring and the manhole cover:

[0012] Clean up the upper part of the escape hole, then locally trim the uneven part of the upper part of the escape hole, fix the well ring and the well cover on the escape hole wall body through the reserved hole, then set the concrete on the edge of the well ring to form a concrete package, and ensure the waterproofness of the escape hole;

[0013] Step five, lifting device installation:

[0014] After the well ring is installed, the suspension operation platform is in a U-shaped frame structure, a plurality of hooks are arranged on both sides of the upper end of the suspension operation platform, the suspension operation platform is hung on the well ring through the hooks on both sides, and a worker installs the lifting device on the suspension operation platform, and then the suspension operation platform is taken out for reuse;

[0015] Step six, well cover debugging:

[0016] After the well ring, the well cover, the lifting device and the control device are installed and connected, the well cover is opened by the control device, the opening of the well cover is observed, whether the well cover is installed in place is judged, and the debugging of the well cover is completed.

[0017] As a supplement to the technical scheme of the application, in step one, backfill soil is added around the outside of the escape hole wall body.

[0018] As a supplement to the technical scheme of the application, in step two, the connection between the escape ladder and the escape hole wall body and the ground is fixed by expansion screws.

[0019] As a supplement to the technical scheme of the application, in step four, the well ring and the well cover are integrated out of the factory, and do not need to be installed separately.

[0020] As a supplement to the technical scheme of the application, in step five, the lifting device is selected from a hydraulic rod assembly.

[0021] As a supplement to the technical scheme of the application, the suspension operation platform comprises a plurality of U-shaped bearing members and a plurality of connecting members, the plurality of U-shaped bearing members are arranged side by side, and adjacent U-shaped bearing members are connected and fixed through connecting members.

[0022] Beneficial effects: the present application relates to a kind of safety-enhanced pipe gallery escape opening hydraulic well lid installation method, after the escape opening wall body pouring is completed, installation escape ladder, provide convenience for material transportation;Second, the control device of installation in pipe gallery is completed, then the installation of upper well ring and well lid is carried out, provide favorable conditions for the installation operation platform of later top-up device, finally, the installation of hydraulic well lid top-up device is carried out.The present application is adjusted while installing sequence, and the installation link of top-up device with greater risk is installed using suspended operation platform, while ensuring the installation quality, the safety of installation operation is improved, and the overall installation efficiency of pipe gallery engineering is also improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is the internal cross-sectional view of the right direction of the present application;

[0024] Fig. 2 is the internal cross-sectional view of the front direction of the present application;

[0025] Fig. 3 is the top view of the present application.

[0026] Figures: 1, escape opening wall body;2, escape ladder;3, well ring;4, well lid;5, concrete package;6, U-shaped bearing component;7, connecting component;8, backfill;9, hook;10, top-up device;11, control device. DETAILED DESCRIPTION

[0027] The present application will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present application and not used to limit the scope of the present application. In addition, it should be understood that after reading the content taught by the present application, those skilled in the art can make various modifications or modifications to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0028] The embodiment of the present application relates to a kind of safety-enhanced pipe gallery escape opening hydraulic well lid installation method, as Figs. 1-3 shown, specific operation steps are as follows:

[0029] Step one, escape opening wall body 1 pouring:

[0030] Reinforcing bar is tied at pipe gallery opening, after completing reinforcing bar tying, wall body concrete is poured to form the required escape opening wall body 1, backfill 8 is added around the outside of escape opening wall body 1;

[0031] Step two, escape ladder 2 installation:

[0032] Escape ladder 2 uses prefabricated steel structure ladder, escape ladder 2 is fixed with escape opening wall body 1 and ground respectively, to provide convenience for later installation personnel access and material transportation;

[0033] Step three, control device 11 installation:

[0034] The control device 11 is installed on the wall inside the pipe gallery, which is convenient for personnel to control the opening of the manhole cover 4.

[0035] Step four, well circle 3 and manhole cover 4 installation:

[0036] Clean the upper part of the escape hole, and then locally trim the uneven part of the upper part of the escape hole. The well circle 3 and the manhole cover 4 are fixed on the escape hole wall 1 through the reserved hole, and then the concrete is set on the edge of the well circle 3 to form a concrete package 5, which ensures the waterproofness of the escape hole.

[0037] Step five, installation of jacking device 10:

[0038] After the well circle 3 is installed, the suspended operation platform is in a U-shaped frame structure. The upper end of the suspended operation platform is provided with a plurality of hooks on both sides. The suspended operation platform is hung on the well circle 3 through the hooks on both sides. The workers complete the installation of the jacking device 10 on the suspended operation platform, and then the suspended operation platform is taken out for reuse.

[0039] Step six, debugging of the manhole cover 4:

[0040] After the well circle 3, the manhole cover 4, the jacking device 10 and the control device 11 are installed and connected, the jacking device 10 is controlled by the control device 11 to open the manhole cover 4. The opening of the manhole cover 4 is observed to determine whether it is installed in place. The debugging of the manhole cover 4 is completed.

[0041] In step two, the connection between the escape ladder 2 and the escape hole wall 1 and the ground is fixed by expansion screws.

[0042] In step four, the well circle 3 and the manhole cover 4 are integrated out of the factory and do not need to be installed separately.

[0043] In step five, the jacking device 10 selects a hydraulic rod assembly.

[0044] The suspended operation platform comprises a plurality of U-shaped bearing members 6 and a plurality of connecting members 7. The plurality of U-shaped bearing members 6 are arranged side by side, and adjacent U-shaped bearing members 6 are connected and fixed by connecting members 7.

[0045] The present application installs the escape ladder 2 after the escape opening wall 1 is poured, which provides convenience for material transportation; secondly, the control device 11 inside the pipe gallery is installed, then the upper well ring 3 and the well cover 4 are installed, which provides favorable conditions for the installation of the jacking device 10 operation platform in the later stage, finally the jacking device 10 is installed, the suspended operation platform is hung on the completed well ring 3, a stable operation surface is formed inside the escape opening, the installation is completed after the material is transported to the operation surface by the upper escape ladder 2, and finally the debugging is completed; the method can guarantee the installation quality, greatly improve the safety performance of the installation process, and improve the overall installation efficiency.

[0046] In the description of the present application, it should be understood that the orientation words such as "front, rear, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and in the absence of contrary description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0047] For the convenience of description, spatial relative terms such as "on", "above", "upper surface", "upper" and the like can be used herein to describe the spatial positional relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawings is inverted, the device described as "above" or "on" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0048] In addition, it should be noted that the use of "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0049] The application provides a pipe gallery escape opening hydraulic well lid mounting method with improved safety.

Claims

1. A method for installing a hydraulic access cover for a pipeline escape opening to improve safety, characterized in that: The specific operation steps are as follows: Step one, escape opening wall (1) pouring: In the pipe gallery opening, the steel bars are bound, and after the steel bar binding is completed, the wall concrete is poured to form the required escape opening wall (1); Step two, escape ladder (2) installation: The escape ladder (2) adopts a prefabricated steel structure ladder, and the escape ladder (2) is fixed with the escape opening wall (1) and the ground, respectively, to facilitate the installation personnel to enter and exit and material transportation in the later period; Step three, control device (11) installation: The control device (11) is installed on the wall inside the pipe gallery, which is convenient for personnel to control the well lid (4) to open; Step four, well ring (3) and well lid (4) installation: Clean the upper part of the escape opening, and then locally trim the uneven part of the upper part of the escape opening, fix the well ring (3) and the well lid (4) on the escape opening wall (1) through the reserved hole, and then set the concrete on the edge of the well ring (3) to form the concrete package (5), which ensures the waterproofness of the escape opening; Step five, jacking device (10) installation: After the well ring (3) is installed, the suspended operation platform is in a U-shaped frame structure, the both sides of the upper end of the suspended operation platform are provided with a plurality of hooks, the suspended operation platform is hung on the well ring (3) through the hooks on both sides, and the installation of the jacking device (10) is completed by the workers on the suspended operation platform, and then the suspended operation platform is taken out for repeated use; Step six, well lid (4) debugging: After the well ring (3), the well lid (4), the jacking device (10) and the control device (11) are installed and connected, the well lid (4) is opened by the control device (11) controlling the jacking device (10), the opening of the well lid (4) is observed, whether it is installed in place is judged, and the debugging of the well lid (4) is completed; In step four, the well ring (3) and the well lid (4) are integrated out of the factory, and do not need to be installed separately; In step five, the jacking device (10) selects a hydraulic rod assembly.

2. The method for installing a hydraulic access cover for a pipe gallery escape opening with improved safety according to claim 1, characterized in that: In step one, backfill soil (8) is added around the outside of the escape opening wall (1).

3. The method for installing a hydraulic manhole cover for an escape route in a utility tunnel to improve safety, as described in claim 1, is characterized in that: In step two, the connection between the escape ladder (2) and the escape opening wall (1) and the ground is fixed by expansion screws.

4. The method of claim 1, wherein the method further comprises: providing a hydraulic cylinder; and connecting the hydraulic cylinder to the hydraulic cylinder mounting bracket. 5 The suspended operation platform comprises a plurality of U-shaped bearing members (6) and a plurality of connecting members (7), the plurality of U-shaped bearing members (6) are arranged side by side, and adjacent U-shaped bearing members (6) are connected and fixed by connecting members (7).

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