Anti-settling well lid and installation method thereof

Abstract

The application discloses a kind of anti-settling well lid and its installation method, including well lid plate, at least two limiting flake are provided in the vertical direction of well lid plate, the limiting flake in the uppermost is provided with the baffle, stone layer is respectively arranged between the limiting flake and the limiting flake, between the limiting flake and the well lid plate, the limiting flake is composed of the inner plate and movable plate of movable connection, the projection area of movable plate in longitudinal direction is greater than the projection area of well lid plate in longitudinal direction.The application supports the asphalt around well lid and stone layer by stone layer, so that asphalt pavement will not extrude well lid when deforming, and at the same time, stone layer is fixed and layered by grid-shaped limiting flake, which not only ensures water seepage but also provides longitudinal support for asphalt pavement, so that well lid will not collapse in pavement under the condition that pavement expansion effect and support area of well lid are relatively small.

Description

Technical Field

[0001] This invention relates to the field of road construction technology, and in particular to an anti-settlement manhole cover and its installation method. Background Technology

[0002] In asphalt pavements, due to the road surface expansion effect and the relatively small supporting area of ​​manhole covers, they are prone to collapsing, creating "belly button" road surfaces. Such surfaces not only affect the neatness and aesthetics of the road surface but also retain rainwater during rainy weather, allowing some rainwater to seep into the manholes. Over time, this can damage equipment and other components in the manholes. Furthermore, the collapsed manhole covers create uneven road surfaces, causing considerable inconvenience to vehicles and pedestrians. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to address the shortcomings of the prior art by providing an anti-settlement manhole cover and its installation method. The manhole cover and the surrounding asphalt are supported by a layer of stones, so that the asphalt pavement will not squeeze the manhole cover when it deforms. At the same time, the stone layer is fixed and layered by a grid-like limiting sheet, which not only ensures water seepage but also provides longitudinal support to the asphalt pavement. Thus, even when the pavement expands and the support area of ​​the manhole cover is relatively small, the manhole cover will not collapse in the pavement.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an anti-settlement manhole cover and its installation method.

[0005] One type of anti-settlement manhole cover includes a manhole cover plate, at least two limiting plates are provided on the vertical upper part of the manhole cover plate, a shielding plate is provided on the uppermost limiting plate, and stone layers are respectively provided between the limiting plates and between the limiting plates and the manhole cover plate. The limiting plates are composed of an embedded plate and a movable plate that are movably connected, and the longitudinal projection area of ​​the movable plate is larger than the longitudinal projection area of ​​the manhole cover plate.

[0006] Furthermore, the edges of two adjacent limiting sheets are connected by a fixing rod.

[0007] Furthermore, the inner plate of the limiting sheet includes a first sub-inner plate and a second sub-inner plate. The opposite edges of the first sub-inner plate and the second sub-inner plate are respectively provided with notches. The notches of the first sub-inner plate and the second sub-inner plate are arranged opposite to each other. The opposite edges of the first sub-inner plate and the second sub-inner plate are detachably connected.

[0008] The movable plate of the limiting sheet includes a first sub-movable plate and a second sub-movable plate, and the opposite edges of the first sub-movable plate and the second sub-movable plate are detachably connected by a locking mechanism;

[0009] The notch edge of the first sub-inset panel is movably connected to the first sub-movable panel, and the notch edge of the second sub-inset panel is movably connected to the second sub-movable panel.

[0010] Furthermore, the first sub-movable plate has a hollow structure inside, and a sliding groove is provided on the upper and lower inner walls of the first sub-movable plate. At least one heat-conducting block is slidably connected to the sliding groove, and the heat-conducting block is connected to the first sub-movable plate.

[0011] The second sub-movable plate has a hollow structure inside. Two sliding grooves are respectively provided on the upper and lower inner walls of the second sub-movable plate. At least one heat-conducting block is slidably connected to the sliding groove and the heat-conducting block is connected to the second sub-movable plate.

[0012] Furthermore, the movable plate has several holes.

[0013] Furthermore, the manhole cover is provided with a limiting ring, which is used to pass through a fixing rope, and the fixing rope is also used to pass through each of the limiting plates and then be fixed at the top layer.

[0014] Furthermore, the manhole cover plate is provided with an absorbent layer on top, and an anti-slip layer is provided on the uppermost limiting sheet.

[0015] Furthermore, the bottom of the manhole cover plate is used to support the manhole sidewall.

[0016] Furthermore, an absorbent layer is provided on the top of the manhole cover plate, and an absorbent layer is provided on the outer side of each layer of stones.

[0017] The above-mentioned method for installing an anti-settlement manhole cover includes the following steps:

[0018] Step 1: Excavate the manhole cover installation area, which is located at the top of the manhole opening. The manhole cover installation area is cylindrical in shape, with a diameter larger than the diameter of the manhole opening, and a depth of less than half a meter.

[0019] Step 2: Install the manhole cover plate at the bottom of the manhole cover installation area so that the manhole cover plate covers the manhole opening;

[0020] Step 3: Place a layer of stones on the manhole cover and install a limiting plate on the stone layer, so that the edge of the limiting plate is located in the asphalt pavement outside the manhole cover installation area;

[0021] Step 4: Place a layer of stones on the limiting sheet, and install the limiting sheet on the stone layer, so that the edge of the limiting sheet is located in the asphalt pavement outside the manhole cover installation area;

[0022] Step 5: Repeat step 4 until the height difference between the topmost limiting sheet and the asphalt pavement is 1-3 cm;

[0023] Step 6: Lay an anti-slip layer on the topmost limiting sheet so that the anti-slip layer is level with the asphalt pavement.

[0024] Compared with the prior art, the present invention has the following advantages:

[0025] The present invention provides an anti-settlement manhole cover and its installation method, which supports the manhole cover and the surrounding asphalt through a layer of stones, so that the asphalt pavement will not squeeze the manhole cover when it deforms. At the same time, the stone layer is fixed and layered by a mesh-like limiting sheet, which not only ensures water seepage but also provides longitudinal support for the asphalt pavement. Thus, even when the pavement expands and the support area of ​​the manhole cover is relatively small, the manhole cover will not collapse in the pavement.

[0026] This invention provides an anti-settlement manhole cover and its installation method. The limiting sheet is designed as a pull-out structure, and a heat-conducting block is provided. The first and second sub-inner plates on both sides can be inserted and removed by inserting asphalt through heating. For subsequent construction and repair work, it can avoid digging up the asphalt pavement and improve construction efficiency. At the same time, the first and second sub-movable plates at various heights are fixed by the combination of fixing ropes and stone layers, so that the positions of each limiting sheet are stable. It is equivalent to laying the road surface on top of the manhole cover, which helps to stabilize the road surface and prevent the manhole cover from collapsing in the road surface.

[0027] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of an anti-settlement manhole cover provided by the present invention.

[0029] Figure 2 This is a longitudinal cross-sectional view of the limiting sheet in this invention.

[0030] Figure 3 This is a top view of the limiting sheet structure in this invention.

[0031] Figure 4 This invention provides a schematic diagram of the overall process for installing an anti-settlement manhole cover.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Stone layer; 2. Fixing rope; 3. Limiting plate; 3-1. Inner plate; 3-2. Locking mechanism; 3-3. Movable plate; 3-4. Heat-conducting block; 3-5. Slide groove; 3-6. Hole; 4. Fixing rod; 5. Manhole cover plate; 6. Limiting ring; 7. Limiting block. Detailed Implementation

[0034] like Figure 1-4 As shown, the present invention provides an anti-settlement manhole cover and its installation method.

[0035] like Figure 1-3 As shown, an anti-settlement manhole cover includes a manhole cover plate 5. At least two limiting plates 3 are provided vertically above the manhole cover plate 5. A shielding plate is provided on the uppermost limiting plate 3. Stone layers 1 are respectively provided between the limiting plates 3 and between the limiting plates 3 and the manhole cover plate 5. The limiting plate 3 is composed of an embedded plate 3-1 and a movable plate 3-3 that are movably connected. The longitudinal projection area of ​​the movable plate 3-3 is larger than the longitudinal projection area of ​​the manhole cover plate 5.

[0036] In this invention, to prevent the manhole cover from collapsing on the asphalt pavement, multiple layers of stones 1 are placed above the manhole cover plate 5 to fill the gaps above it. This serves to support the surrounding asphalt and also fills the pavement above the manhole cover plate 5, making the pavement above the manhole cover plate 5 smooth with the asphalt pavement. The multi-layered limiting sheets 3 are used to improve the stability of each layer of stones above the manhole cover plate 5, ensuring that the stones in each layer are subjected to uniform stress.

[0037] The projected area of ​​the movable plate 3-3 in the longitudinal direction is larger than that of the manhole cover 5 in the longitudinal direction. This allows the manhole cover 5 to be removed by removing the stone layer 1 and opening the movable plate 3-3, so that workers can go down into the manhole to carry out maintenance.

[0038] Meanwhile, the setting of stone layer 1 can effectively allow water from the road surface to seep into the lower part. A water-absorbing layer can be set under each stone layer 1 to perform preliminary water absorption, or the water can be diverted to the water channel of the road surface. If cost is not a concern, water-absorbing stone can be used as the main raw material of stone layer 1.

[0039] like Figure 4 As shown, the installation method of the aforementioned anti-settlement manhole cover includes the following steps:

[0040] Step 1: Excavate the manhole cover installation area, which is located at the top of the manhole opening. The manhole cover installation area is cylindrical in shape, with a diameter larger than the diameter of the manhole opening, and a depth of less than half a meter.

[0041] Step 2: Install the manhole cover 5 at the bottom of the manhole cover installation area so that the manhole cover 5 covers the manhole opening;

[0042] Step 3: Place a stone layer 1 on the manhole cover plate 5, and install a limiting sheet 3 on the stone layer 1, so that the edge of the limiting sheet 3 is located in the asphalt pavement outside the manhole cover installation area;

[0043] Step 4: Place the stone layer 1 on the limiting sheet 3, and install the limiting sheet 3 on the stone layer 1, so that the edge of the limiting sheet 3 is located in the asphalt pavement outside the manhole cover installation area;

[0044] Step 5: Repeat step 4 until the height difference between the uppermost limiting sheet 3 and the asphalt pavement is 1-3 cm;

[0045] Step 6: Lay an anti-slip layer on the topmost limiting sheet 3, making the anti-slip layer level with the asphalt pavement.

[0046] In the above steps, the manhole cover installation area in step 1 is used to install the anti-settlement manhole cover described in this invention. It includes a manhole cover plate 5, a limiting sheet 3 above it, and a stone layer 1. Finally, the manhole cover installation area is filled, making the filled area smooth with the asphalt pavement. Due to the substantial filling, it can support the asphalt pavement, thus preventing the manhole cover from collapsing. In steps 3 to 5, the limiting sheet 3 separates the stones into multiple stone layers 1. This distributes the weight of the stones during disasters such as earthquakes or during normal use, thus protecting the pavement. Therefore, there are multiple limiting sheets 3 in the longitudinal direction, typically three layers. The top limiting sheet 3 has a height difference of 1-3 cm from the asphalt pavement. In step 6, an anti-slip layer is laid on top, making it level with the asphalt pavement. This allows the pavement to be used normally.

[0047] In this invention, to ensure the stable fixation of the edges of the multiple upper and lower limiting plates 3 within the asphalt pavement, the edges of two adjacent upper and lower limiting plates 3 are connected by fixing rods 4. The fixing rod 4 can be a single rod that passes sequentially through the limiting plates 3, or multiple rods that are sequentially connected to the edges of adjacent upper and lower limiting plates 3 for fixation. In this invention, the first method is recommended, i.e., the rod that passes sequentially through the limiting plates 3. Each limiting plate 3 has holes on its edge. Construction workers only need to insert the fixing rod 4 into the asphalt pavement while it is still hot, passing it through the holes between the limiting plates 3, to achieve the fixation of the multiple layers of limiting plates 3.

[0048] In this invention, in order to facilitate the installation of the limiting sheet 3, the inner plate 3-1 of the limiting sheet 3 includes a first sub-inner plate and a second sub-inner plate. The opposite edges of the first sub-inner plate and the second sub-inner plate are respectively provided with notches. The notches of the first sub-inner plate and the second sub-inner plate are arranged opposite to each other. The opposite edges of the first sub-inner plate and the second sub-inner plate are detachably connected.

[0049] The movable plate 3-3 of the limiting sheet 3 includes a first sub-movable plate and a second sub-movable plate, and the opposite edges of the first sub-movable plate and the second sub-movable plate are detachably connected by a locking mechanism 3-2;

[0050] The notch edge of the first sub-inset panel is movably connected to the first sub-movable panel, and the notch edge of the second sub-inset panel is movably connected to the second sub-movable panel.

[0051] During installation, the limiting sheet 3 can be heated using a hot-melt method, allowing the first and second sub-insertion plates to embed into the asphalt pavement at high temperatures. This enables rapid installation without damaging the asphalt pavement. When subsequent maintenance is required, simply open the movable plate 3-3 to remove the manhole cover 5 and proceed with the maintenance.

[0052] For easier operation, considering that the present invention has a stone layer 1, the first sub-movable plate has a hollow structure inside, and a sliding groove 3-5 is respectively provided on the upper and lower inner walls of the first sub-movable plate. At least one heat-conducting block 3-4 is slidably connected to the sliding groove 3-5, and the heat-conducting block 3-4 is connected to the first sub-movable plate.

[0053] The second sub-movable plate has a hollow structure inside. The upper and lower inner walls of the second sub-movable plate are respectively provided with two sliding grooves 3-5. At least one heat-conducting block 3-4 is slidably connected to the sliding groove 3-5 and the heat-conducting block 3-4 is connected to the second sub-movable plate.

[0054] This invention utilizes a sliding connection between the movable plate 3-3 and the inner plate 3-1, allowing the movable plate 3-3 to be fully embedded in the inner plate 3-1 during well lowering, thus providing a larger operating area. Simultaneously, through this embedding method, heating the limiting sheet 3 can be achieved by heating the movable plate 3-3, which in turn heats the inner plate 3-1 via the heat-conducting block 3-4. In this invention, the limiting sheet 3 can be made of a material with high thermal conductivity, such as iron sheets or steel plates, possessing both high hardness and high thermal conductivity. By installing the limiting sheet 3 using high heat, the inner plate 3-1 can be inserted into the asphalt pavement while still heated.

[0055] In this invention, the movable plate 3-3 is provided with a number of holes 3-6, which can increase the air permeability of the manhole cover installation area and also have a good water guiding effect when guiding water, preventing the limiting sheet 3 from being corroded by accumulated rainwater.

[0056] To better limit the position of each limiting sheet 3 in the manhole cover installation area, this invention provides a limiting ring 6 on the manhole cover plate 5. The limiting ring 6 is used to pass through the fixing rope 2, and the fixing rope 2 is also used to pass through each of the limiting sheets 3 and then fix it at the top layer. During installation, the fixing rope 2 can first be passed through the limiting ring 6 on the manhole cover plate 5. Then, the construction worker pulls the fixing rope 2 upward to keep it vertical, while filling with stones, fixing another layer of limiting sheets 3, passing the fixing rope 2 through the limiting sheet 3 again, and then wrapping the fixing rope 2 around the current limiting sheet 3. This process is repeated until the top limiting sheet 3 is located approximately inside the road surface 1-3. This method of the invention can relatively fix the position of each limiting sheet 3 under the action of the stone layer 1, ensuring the stability of the limiting sheets 3.

[0057] In this invention, the manhole cover plate 5 is provided with a water-absorbing layer on its top, which is used to absorb some rainwater or corrosive seepage water. The uppermost limiting sheet 3 is provided with an anti-slip layer, which is used to ensure the stability of pedestrians on the road.

[0058] In this invention, the bottom of the manhole cover 5 is fitted with a limiting block 7 to support the manhole sidewall, preventing displacement of the manhole cover 5 at the manhole opening. Simultaneously, a water-absorbing layer is provided on the top of the manhole cover 5, with each stone layer 1 having a water-absorbing layer on its outer side. This water-absorbing layer is used to absorb some rainwater or corrosive seepage water.

[0059] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the present invention. Any simple modifications, alterations, or equivalent structural changes made to the above embodiments based on the technical essence of the present invention shall still fall within the protection scope of the present invention.

Claims

1. Anti-settling well lid comprising a well lid plate (5), characterized in that, The well cover plate (5) is provided with at least two limiting sheets (3) vertically above, the uppermost limiting sheet (3) is provided with a shielding sheet, the limiting sheets (3) and the limiting sheets (3) and the limiting sheets (3) and the well cover plate (5) are respectively provided with a stone layer (1), the limiting sheet (3) is composed of an embedded plate (3-1) and a movable plate (3-3) connected movably, the projection area of the movable plate (3-3) in the longitudinal direction is greater than that of the well cover plate (5) in the longitudinal direction; the embedded plate (3-1) of the limiting sheet (3) comprises a first sub-embedded plate and a second sub-embedded plate, the opposite edges of the first sub-embedded plate and the second sub-embedded plate are respectively provided with an opening, the openings of the first sub-embedded plate and the second sub-embedded plate are oppositely arranged, and the opposite edges of the first sub-embedded plate and the second sub-embedded plate are detachably connected; The movable plate (3-3) of the limiting sheet (3) comprises a first sub-movable plate and a second sub-movable plate, and the opposite edges of the first sub-movable plate and the second sub-movable plate are detachably connected through a locking mechanism (3-2); The opening edge of the first sub-embedded plate is movably connected with the first sub-movable plate, and the opening edge of the second sub-embedded plate is movably connected with the second sub-movable plate; The first sub-movable plate is internally hollow, and the upper and lower inner walls of the first sub-movable plate are respectively provided with a sliding groove (3-5), at least one heat-conducting block (3-4) is slidably connected on the sliding groove (3-5), and the heat-conducting block (3-4) is connected with the first sub-movable plate; The second sub-movable plate is internally hollow, and the upper and lower inner walls of the second sub-movable plate are respectively provided with two sliding grooves (3-5), at least one heat-conducting block (3-4) is slidably connected on the sliding groove (3-5), and the heat-conducting block (3-4) is connected with the second sub-movable plate; The limiting sheet (3) is heated in a hot melt manner, so that the first sub-embedded plate and the second sub-embedded plate are respectively embedded into the asphalt pavement under high temperature, so that the installation can be completed quickly without damaging the asphalt pavement.

2. A sink-preventing well lid according to claim 1, characterized in that The edges of two adjacent limiting sheets (3) are connected through a fixed rod (4).

3. A sink-preventing well lid according to claim 1, wherein A plurality of holes (3-6) are formed in the movable plate (3-3).

4. A sink resistant well lid as claimed in claim 3 wherein, A limiting ring (6) is arranged on the well cover plate (5), the limiting ring (6) is used for penetrating the fixed rope (2), and the fixed rope (2) is also used for penetrating each limiting sheet (3) and then being fixed on the uppermost layer.

5. A sink resistant well lid as claimed in claim 4 wherein, The upper surface of the well cover plate (5) is provided with a water absorption layer, and the upper surface of the limiting sheet (3) on the uppermost layer is provided with an anti-skid layer.

6. A sink-preventing well lid according to claim 1, wherein The bottom of the well cover plate (5) is provided with a limiting block (7) for supporting the well sidewall.

7. A sink-preventing well lid according to claim 1, wherein The upper surface of the well cover plate (5) is provided with a water absorption layer, and the outer side of each stone layer (1) is provided with a water absorption layer.

8. A method for installing an anti-settlement manhole cover according to any one of claims 1-7, characterized in that, The steps include: Step 1: excavate the well cover installation area, the well cover installation area is located at the upper end of the well mouth, the shape of the well cover installation area is cylindrical, the diameter of the well cover installation area is greater than the diameter of the well mouth, and the depth of the well cover installation area is within half a meter; Step 2: Install the well cover plate (5) at the bottom of the well cover installation area, so that the well cover plate (5) covers the well mouth; Step 3: Place the stone layer (1) on the well cover plate (5), and install the limiting sheet (3) on the stone layer (1), so that the edge of the limiting sheet (3) is located in the asphalt pavement outside the well cover installation area; Step 4: Place the stone layer (1) on the limiting sheet (3), and install the limiting sheet (3) on the stone layer (1), so that the edge of the limiting sheet (3) is located in the asphalt pavement outside the well cover installation area; Step 5: Repeat step 4 until the uppermost limiting sheet (3) is 1-3 cm higher than the asphalt pavement; Step 6: Lay the anti-skid layer on the uppermost limiting sheet (3), so that the anti-skid layer is flush with the level of the asphalt pavement.

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