Valve well cover for heating pipe network of thermal power plant

By installing anti-sinking supports and pull-out handles on the manhole covers, the problem of difficult opening of existing manhole covers has been solved, enabling convenient opening and transportation of manhole covers and improving work efficiency.

CN115506411BActive Publication Date: 2026-01-02HUANENG (DALIAN) THERMAL POWER CO LTD
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Patent Information

Application Number
CN202210986224.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-17
Publication Date
2026-01-02
Estimated Expiration
2042-08-17

AI Technical Summary

Technical Problem

The existing valve well covers used in the heating pipeline network of thermal power plants require a lot of force to open and are inconvenient to carry, which affects work efficiency.

Method used

A manhole cover structure including an anti-settlement support cover and a pull-out handle was designed. By setting pull-out handles on both sides of the manhole cover, the manhole cover can be opened conveniently using limiting grooves and moving grooves. Combined with the connection of the grid-shaped anti-settlement linkage and vertical rod, the opening process is simplified.

Benefits of technology

It alleviates the problem of the great strength required to lift manhole covers with iron hooks, improves work efficiency, and facilitates the handling and maintenance of manhole covers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of well lid, especially to a valve well lid for heat supply pipe network of thermal power plant, which comprises a valve well for heat supply pipeline, a well lid for covering the valve well for heat supply pipe network, an anti-settlement support cover for preventing the well lid from falling down, and a pull-out handle for facilitating opening the well lid for maintenance, wherein the well lid is matched with the valve well, the diameter of the bottom of the well lid is the same as the inner diameter of the valve well, the anti-settlement support cover is located at the top end of the well lid, and the pull-out handle is symmetrically distributed on both sides of the well lid. The present application adds the pull-out handle on both sides of the well lid, which relieves the inconvenience caused by using iron hook to lift the well lid and reduces the difficulty of manually opening the well lid.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of well covers, in particular to a valve well cover for a heat supply pipe network of a thermal power plant. BACKGROUND

[0002] Thermal power plants, referred to as thermal power plants, are factories that use combustible materials (such as coal) as fuel to produce electric energy. The existing valve well cover for the heat supply pipe network of a thermal power plant has a relatively simple structure. When a worker is repairing the facilities in the well, the worker needs to open the well cover and enter the well. At present, the opening mode of most well covers is to hook the air hole at the top of the well cover with an iron hook and pull it up. The iron hook needs to be pulled with a lot of force, and it is not convenient to carry, which affects the work efficiency. SUMMARY

[0003] The purpose of the present application is to provide a valve well cover for a heat supply pipe network of a thermal power plant to solve the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] A valve well cover for a heat supply pipe network of a thermal power plant, comprising a valve well for a heat supply pipe, a well cover for covering the valve well for a heat supply pipe network, an anti-settlement support cover for preventing the well cover from sinking downward, and a pull-out handle for conveniently opening the well cover for repair, the well cover is matched with the valve well and the diameter of the bottom of the well cover is the same as the inner diameter of the valve well, the anti-settlement support cover is located at the top end of the well cover, and the pull-out handle is located on both sides of the well cover and is symmetrically distributed.

[0006] As a preferred scheme of the present application, the top end of the well cover is provided with an anti-settlement support cover, the anti-settlement support cover has the same center as the well cover but the diameter of the anti-settlement support cover is larger than that of the well cover, and the top end of the anti-settlement support cover is provided with a water diversion groove and an air hole.

[0007] As a preferred scheme of the present application, the bottom of the anti-settlement support cover is welded to the top of the well cover.

[0008] As a preferred scheme of the present application, the water diversion groove is arranged at the top end of the anti-settlement support cover, the water diversion groove is arranged in a cross shape, and the air hole is arranged at the top end of the anti-settlement support cover and penetrates through the anti-settlement support cover.

[0009] As a preferred scheme of the present application, the bottom of the well cover and inside the well cover is provided with a cross-shaped anti-settlement connecting rod, one end of the cross-shaped anti-settlement connecting rod is connected to the anti-settlement support cover, and the other end of the cross-shaped anti-settlement connecting rod away from the anti-settlement support cover is located on the same horizontal plane as the bottom of the well cover.

[0010] As a preferred scheme of the present application, the pull handle is symmetrically arranged at both sides of the bottom end of the anti-sinking support cover, the anti-sinking support cover is provided with a moving groove at the pull handle, one end of the pull handle other than the pulling end extends into the anti-sinking support cover and is located in the anti-sinking link, the end of the pull handle inside the anti-sinking link is provided with a vertical rod, the vertical rod is fixedly connected with the pull handle, and the anti-sinking link is provided with a limiting groove.

[0011] Compared with the prior art, the present application has the beneficial effects that: aiming at the problem that the current opening mode of most well covers is to hook the air holes at the top of the well cover by an iron hook to pull up, the iron hook needs to use a great force, is inconvenient to carry, and further affects the work efficiency, the present application adopts the limiting assembly and the pulling assembly, the pull handle is arranged at both sides of the anti-sinking support cover on the well cover, the moving groove arranged at both sides of the anti-sinking support cover and the limiting groove arranged inside the anti-sinking link are used to complete the pulling out of the pull handle from the well cover, so that the well cover is lifted, and a series of inconvenient problems caused by the pulling of the well cover by the iron hook are relieved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the overall structure of the present application;

[0013] Figure 2 It is a perspective view of the overall structure of the present application from the bottom;

[0014] Figure 3 It is a top view of the present application;

[0015] Figure 4 It is a sectional view of the pull handle structure of the present application.

[0016] In the figure: 1, well cover; 101, water guide groove; 102, air hole; 103, anti-sinking link; 2, valve well; 3, anti-sinking support cover; 4, pull handle; 401, moving groove; 402, vertical rod; 403, limiting groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0018] For the purpose of promoting an understanding of the application, the application will now be described in greater detail with reference to the figures. Several embodiments of the application are disclosed. However, the application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

[0019] It is to be understood that where an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely used for the purpose of illustration and description.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0021] Referring to Figures 1-4 The application provides a valve well cover for a heat supply pipe network of a thermal power plant, comprising a valve well 2 for a heat supply pipe, a cover 1 for covering the valve well 2 for a heat supply pipe network, an anti-settlement support cover 3 for preventing the cover 1 from sinking downward, and a pull-out handle 4 for facilitating the opening of the cover 1 for maintenance, wherein the cover 1 is used in combination with the valve well 2, the diameter of the bottom of the cover 1 is the same as the internal diameter of the valve well 2, the anti-settlement support cover 3 is located at the top end of the cover 1, the pull-out handle 4 is located at both sides of the cover 1 and is symmetrically distributed, the pull-out handle 4 is located at the bottom end of both sides of the anti-settlement support cover 3 and is symmetrically distributed, the anti-settlement support cover 3 is provided with a moving groove 401 at the pull-out handle 4, one end of the pull-out handle 4 that is not used for pulling out extends into the anti-settlement support cover 3 and is located in a checkered anti-settlement connecting rod 103, one end of the pull-out handle 4 inside the checkered anti-settlement connecting rod 103 is provided with a vertical rod 402, the vertical rod 402 is fixedly connected with the pull-out handle 4, the checkered anti-settlement connecting rod 103 is provided with a limiting groove 403, the pull-out handle 4 is pulled out through the limiting groove 403, so that the pull-out handle 4 moves out of the anti-settlement support cover 3, facilitating the carrying of the cover 2 by the staff.

[0022] Embodiment, please refer to Figures 1-3The top end of the well lid 1 is provided with an anti-sinking support cover 3, the anti-sinking support cover 3 is the same as the center of the well lid 1, but the diameter of the anti-sinking support cover 3 is larger than the diameter of the well lid 1, the top end of the anti-sinking support cover 3 is provided with a water diversion groove 101 and a ventilation hole 102, the bottom of the anti-sinking support cover 3 is welded with the top of the well lid 1, the bottom of the well lid 1 and inside the well lid 1 is provided with a well-shaped anti-sinking connecting rod 103, one end of the well-shaped anti-sinking connecting rod 103 is connected with the anti-sinking support cover 3, the other end of the well-shaped anti-sinking connecting rod 103 away from the anti-sinking support cover 3 is located at the same horizontal plane with the bottom of the well lid 1, the water diversion groove 101 can drain rainwater to the both sides of the well lid and reduce the accumulation of rainwater on the surface of the well lid 2.

[0023] Embodiment, please refer to Figure 1 The water diversion groove 101 is arranged at the top end of the anti-sinking support cover 3, the water diversion groove 101 is arranged in a well shape, and the ventilation hole 102 is arranged at the top end of the anti-sinking support cover 3 and penetrates the anti-sinking support cover 3.

[0024] The working process of the present application is as follows: in use, the pull-out handle 4 arranged on both sides of the anti-sinking support cover 3 is pulled out, the pull-out handle 4 is pulled out through the moving groove 401 arranged on the anti-sinking support cover 3, and is moved and limited through the vertical rod 402 and the limiting groove arranged inside the anti-sinking support cover 3, after the well lid 2 is moved to the designated position, the pull-out handle 4 is restored to the original position, in rainy weather, rainwater can be drained to the surrounding through the water diversion groove 101 arranged at the top end of the anti-sinking support cover 3, the rainwater remaining on the surface of the valve well lid is reduced, and then the rainwater is poured into the ventilation hole 102.

[0025] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A valve well cover for a heating pipe network of a thermal power plant, comprising a valve well (2) for a heating pipe, a cover (1) for covering the valve well (2) for a heating pipe network, an anti-settling support cover (3) for preventing the cover (1) from sinking downward, and a pull-out handle (4) for facilitating the opening of the cover (1) for maintenance, characterized in that: The well lid (1) is matched with the valve well (2) and the bottom diameter of the well lid (1) is same with the internal diameter of the valve well (2), the anti-sinking support cover (3) is located at the top end of the well lid (1), the pull type handle (4) is located at the two sides of the well lid (1) and is symmetrically distributed. ​ The top end of the well lid (1) is provided with the anti-sinking support cover (3), the anti-sinking support cover (3) is same with the center of the well lid (1) but the diameter of the anti-sinking support cover (3) is larger than the diameter of the well lid (1), the top end of the anti-sinking support cover (3) is provided with the water guide groove (101) and the air vent hole (102). The bottom of the well lid (1) and the inside of the well lid (1) are provided with the anti-sinking connecting rod (103) in the shape of a well, one end of the anti-sinking connecting rod (103) is connected with the anti-sinking support cover (3), the end of the anti-sinking connecting rod (103) away from the anti-sinking support cover (3) is in the same horizontal plane with the bottom of the well lid (1). The pull type handle (4) is located at the bottom end of the anti-sinking support cover (3) and is symmetrically distributed, the anti-sinking support cover (3) is provided with the moving groove (401) at the pull type handle (4), the end of the pull type handle (4) not used for pulling extends into the anti-sinking support cover (3) and is located in the anti-sinking connecting rod (103) in the shape of a well, the end of the pull type handle (4) inside the anti-sinking connecting rod (103) in the shape of a well is provided with the vertical rod (402), the vertical rod (402) is fixedly connected with the pull type handle (4), the anti-sinking connecting rod (103) in the shape of a well is provided with the limiting groove (403).

2. A valve pit cover for a heat supply network of a thermal power plant according to claim 1, characterized in that: The bottom of the anti-sinking support cover (3) and the top of the well lid (1) are weldedly connected.

3. The valve pit cover for a heating pipe network of a thermal power plant according to claim 1, characterized in that: The water guide groove (101) is arranged at the top end of the anti-sinking support cover (3), the water guide groove (101) is arranged in the shape of a well, the air vent hole (102) is arranged at the top end of the anti-sinking support cover (3) and penetrates the anti-sinking support cover (3).

Citation Information

Patent Citations

  • Multifunctional well lid convenient to open based on sewage treatment

    CN112982495A

  • High polymer composite material manhole lid and its production method

    CN1864962A

  • Segmented splicing type valve well for gas pipe network

    CN215801803U

  • Valve well lid for heat supply pipe network of thermal power plant

    CN218508495U