Anti-falling UHPC well lid

Abstract

The utility model belongs to the technical field of well lids, and particularly relates to an anti-falling UHPC well lid which comprises a well lid body and a well base, embedded steel bars are embedded in the well lid body, two sets of vertical grooves are formed in the well base, limiting clamping grooves communicated with the vertical grooves are formed in the well base, the embedded steel bars are connected in the limiting clamping grooves in a clamped mode, and the limiting clamping grooves are connected with the well lid body in a clamped mode. Two sets of positioning columns are fixedly connected to the inner wall of the well base, due to the fact that the well lid is made of ultra-high-performance concrete in a pouring mode, the anti-theft performance is achieved, when the well lid is installed, the well lid is firstly hoisted and put in, then the well lid is rotated clockwise, the embedded steel bars are clamped into the limiting clamping grooves, and the well lid is installed. And meanwhile, the positioning columns are clamped into the positioning clamping grooves, the well lid can be completely positioned through the limiting clamping grooves and the positioning columns at the moment, the well lid cannot move under the running inertia of an external vehicle, and flying-off prevention is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to an anti - detachment UHPC manhole cover. Background Technique

[0002] Ultra - High Performance Concrete, abbreviated as UHPC (Ultra - High Performance Concrete), is the most innovative cement - based engineering material in the past thirty years. "Ultra - High Performance Concrete" includes two aspects of "ultra - high", namely ultra - high durability and ultra - high mechanical properties.

[0003] At present, the market products of rain and sewage manhole covers on municipal roads are classified by material into: cast iron, ductile iron, high - strength steel fiber cement concrete, recycled resin, polymer - based composite materials, etc. However, the disadvantages of cast iron and ductile iron manhole covers are: first, the anti - theft problem has not been solved; second, at present, most manhole covers are pressed together with the manhole cover seat under their own gravity, and the anti - detachment of the manhole cover cannot be realized. When a vehicle passes by, it is easy to jump and make noise, especially at night, the noise is very loud and it is easy to affect the lives of residents. To solve the anti - theft problem and anti - detachment problem of manhole covers, we propose an anti - detachment UHPC manhole cover. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides an anti - detachment UHPC manhole cover. Since the material of this manhole cover is cast with ultra - high performance concrete, it has anti - theft performance. When installing this manhole cover, first lift the manhole cover and put it in, then rotate the manhole cover clockwise, and the embedded steel bars will be stuck into the limit card slots, and at the same time, the positioning columns will also be stuck into the positioning card slots. At this time, the limit card slots and the positioning columns can completely position the manhole cover, so that the manhole cover cannot move under the inertial force of external vehicles driving. Through the mutual cooperation between the manhole cover and the manhole cover seat, the use effect of the overall supporting device is better, preventing the manhole cover from flying off and solving the problems in the background.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0006] An anti - detachment UHPC manhole cover, including a manhole cover and a manhole cover seat. Embedded steel bars are pre - embedded on the manhole cover. Two groups of vertical slots are opened on the manhole cover seat, and limit card slots communicated with the vertical slots are opened inside the manhole cover seat. The embedded steel bars are clamped in the limit card slots. Two groups of positioning columns are fixedly connected to the inner wall of the manhole cover seat. Two groups of slots are opened at the bottom of the manhole cover, and positioning card slots communicated with the slots are opened on the manhole cover. The positioning columns are clamped in the corresponding positioning card slots.

[0007] Preferably, a plurality of pry holes are opened at the top end of the manhole cover.

[0008] Preferably, a plurality of installation holes are opened on the manhole cover.

[0009] Preferably, an installation ring is installed inside the well seat through bolts. A conical cylinder is integrally connected to the bottom of the installation ring, and a filter plate is integrally connected to the bottom of the conical cylinder.

[0010] Preferably, a fixing rod is fixedly connected to the bottom of the filter plate. A sealing plate is slidably installed on the fixing rod. A fixing plate is fixedly connected to the bottom of the fixing rod. A spring is sleeved on the outer surface of the fixing rod. One end of the spring is fixedly connected to the fixing plate, and the other end of the spring is fixedly connected to the sealing plate.

[0011] Preferably, a rubber seal is assembled on the installation ring.

[0012] Preferably, a plurality of anti-slip protrusions are provided on the top of the well cover.

[0013] Preferably, a rubber sleeve is installed outside the spring. One end of the rubber sleeve is fixedly connected to the sealing plate, and the other end of the rubber sleeve is fixedly connected to the fixing plate.

[0014] Preferably, the well cover is cast with ultra-high performance concrete.

[0015] Preferably, the upper surface of the sealing plate is wrapped with a rubber layer.

[0016] Beneficial Effects

[0017] The utility model provides an anti-disengagement UHPC well cover. Compared with the prior art, the following beneficial effects are achieved:

[0018] 1. For this anti-disengagement UHPC well cover, since the well cover is cast with ultra-high performance concrete, it has anti-theft performance. When installing this well cover, first lift and place the well cover, and then rotate the well cover clockwise. The embedded steel bars will be stuck into the limit card slots, and at the same time, the positioning posts will also be stuck into the positioning card slots. At this time, the limit card slots and the positioning posts can completely position the well cover, so that the well cover cannot move under the driving inertia of external vehicles. Through the mutual cooperation between the well cover and the well seat, the use effect of the overall supporting device is better, preventing the well cover from flying off.

[0019] 2. For this anti-disengagement UHPC well cover, the filter plate can filter rainwater, avoiding stones, garbage, etc. from entering the sewer and causing blockage, and at the same time, it can increase the anti-falling performance of this well seat.

[0020] 3. For this anti-disengagement UHPC well cover, under the action of the spring, the sealing plate can seal the bottom of the filter plate, avoiding the odor in the sewer from escaping. When it rains, under the gravity of the rainwater, the sealing plate can be driven to move downward, and thus the drainage is not affected. Brief Description of the Drawings

[0021] Figure 1Schematic front view structure of the main body of the present utility model;

[0022] Figure 2 Schematic cross-sectional structure of the main body of the present utility model;

[0023] Figure 3 Schematic top view structure of the disassembled main body of the present utility model;

[0024] Figure 4 Schematic diagram of another perspective of the bottom-up view of the disassembled main body of the present utility model;

[0025] Figure 5 Schematic structure diagram of the well cover of the present utility model;

[0026] Figure 6 Schematic diagram of the disassembled filter plate and sealing plate of the present utility model.

[0027] In the figure: 1, well seat; 2, well cover; 3, pry hole; 4, installation hole; 5, embedded steel bar; 6, positioning card slot; 7, grooving; 8, positioning column; 9, limit card slot; 10, vertical groove; 11, installation ring; 12, conical cylinder; 13, sealing plate; 14, filter plate; 15, rubber seal; 16, spring; 17, fixing rod; 18, fixing plate. Specific implementation mode

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figure 1-6 , the present utility model provides a technical solution: an anti-disengagement UHPC well cover, including a well cover 2 and a well seat 1. Embedded steel bars 5 are pre-embedded on the well cover 2. Two groups of vertical grooves 10 are opened on the well seat 1, and a limit card slot 9 communicating with the vertical grooves 10 is opened inside the well seat 1. The embedded steel bars 5 are clamped in the limit card slot 9. Two groups of positioning columns 8 are fixedly connected to the inner wall of the well seat 1. Two groups of groovings 7 are opened at the bottom of the well cover 2, and a positioning card slot 6 communicating with the groovings 7 is opened on the well cover 2. The positioning columns 8 are clamped in the corresponding positioning card slots 6.

[0030] The manhole cover 2 is cast with a cement-based material - ultra-high performance concrete, making full use of its ultra-high strength, long durability and high volume stability of the material, which can improve the durability of the precast manhole cover 2, reduce its self-weight and meet the requirements of different construction environments. Since the material of this manhole cover 2 is cast with ultra-high performance concrete, it has anti-theft performance. When installing this manhole cover 2, first lift the manhole cover 2 and insert the embedded steel bars 5 into the transverse grooves 10. During this process, the positioning posts 8 will also be inserted into the grooves 7 on the manhole cover 2. After that, rotate the manhole cover 2 clockwise. After the rotation is completed, the embedded steel bars 5 will be inserted into the limit card slots 9, and at the same time, the positioning posts 8 will also be inserted into the positioning card slots 6. At this time, the limit card slots 9 and the positioning posts 8 can completely position the manhole cover 2, so that the manhole cover 2 cannot move under the inertial force of external vehicles. Through the mutual cooperation between the manhole cover 2 and the manhole seat 1, the use effect of the overall supporting device is better, preventing the manhole cover 2 from flying off.

[0031] Multiple groups of pry holes 3 are opened at the top end of the manhole cover 2.

[0032] Multiple groups of installation holes 4 are opened on the manhole cover 2. Through the installation holes 4, it is convenient to lift this manhole cover 2, and at the same time, through the installation holes 4, it is convenient for rainwater to leak into the sewer.

[0033] An installation ring 11 is installed inside the manhole seat 1 by bolts. A conical cylinder 12 is integrally connected to the bottom of the installation ring 11, and a filter plate 14 is integrally connected to the bottom of the conical cylinder 12.

[0034] The provided conical cylinder 12 and the filter plate 14 can increase the anti-falling performance of the manhole seat 1 when the manhole cover 2 is opened. At the same time, the filter plate 14 can filter rainwater to prevent stones, garbage, etc. from entering the sewer and causing blockage.

[0035] A fixing rod 17 is fixedly connected to the bottom of the filter plate 14. A sealing plate 13 is slidably installed on the fixing rod 17. A fixing plate 18 is fixedly connected to the bottom of the fixing rod 17. A spring 16 is sleeved on the outer surface of the fixing rod 17. One end of the spring 16 is fixedly connected to the fixing plate 18, and the other end of the spring 16 is fixedly connected to the sealing plate 13.

[0036] In normal weather, under the action of the spring 16, the sealing plate 13 can seal the bottom of the filter plate 14 to prevent the odor from the sewer from escaping. When it rains, under the gravity of the rainwater, the sealing plate 13 can be driven to move downward, thus not affecting drainage.

[0037] A rubber seal 15 is assembled on the installation ring 11. The provided rubber seal 15 can improve the sealing performance of this installation ring 11 and prevent the odor from escaping through the gap between the installation ring 11 and the manhole seat 1.

[0038] Several anti-slip protrusions are provided on the top of the manhole cover 2 to improve the anti-slip performance of this manhole cover 2.

[0039] A rubber sleeve is installed outside the spring 16. One end of the rubber sleeve is fixedly connected to the sealing plate 13, and the other end of the rubber sleeve is fixedly connected to the fixing plate 18. The rubber sleeve is provided to prevent impurities from entering the spring 16 and affecting its flexibility.

[0040] The upper surface of the sealing plate 13 is wrapped with a rubber layer.

[0041] Working principle: The manhole cover 2 is cast with a cement-based material - ultra-high performance concrete, making full use of its ultra-high strength, long durability and high volume stability of the material, which can improve the durability of the precast manhole cover 2, reduce its self-weight and meet the requirements of different construction environments. Since the manhole cover 2 is cast with ultra-high performance concrete, it has anti-theft performance. When installing the manhole cover 2, first lift the manhole cover 2 and snap the embedded steel bar 5 into the transverse groove 10. During this process, the positioning post 8 will also snap into the slot 7 on the manhole cover 2. Then rotate the manhole cover 2 clockwise. After rotation, the embedded steel bar 5 will snap into the limit card slot 9, and at the same time, the positioning post 8 will also snap into the positioning card slot 6. At this time, the limit card slot 9 and the positioning post 8 can completely position the manhole cover 2, so that the manhole cover 2 cannot move under the inertial force of external vehicle driving. Through the mutual cooperation between the manhole cover 2 and the manhole seat 1, the use effect of the overall supporting device is better, preventing the manhole cover 2 from flying off;

[0042] The conical cylinder 12 and the filter plate 14 provided can increase the anti-falling property of the manhole seat 1 when the manhole cover 2 is opened. At the same time, the filter plate 14 can filter rainwater to prevent stones, garbage, etc. from entering the sewer and causing blockage;

[0043] Under normal weather conditions, under the action of the spring 16, the sealing plate 13 can seal the bottom of the filter plate 14 to prevent the odor from the sewer from escaping. When it rains, under the gravity of the rainwater, the sealing plate 13 can be driven to move downward, and thus the drainage is not affected.

[0044] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-drop UHPC manhole cover, comprising a manhole cover (2) and a manhole seat (1), characterized in that: Embedded steel bars (5) are pre-embedded on the manhole cover (2); two groups of vertical grooves (10) are provided on the manhole seat (1); and a limiting slot (9) communicating with the vertical groove (10) is provided inside the manhole seat (1); the embedded steel bars (5) are clamped in the limiting slot (9); two groups of positioning columns (8) are fixedly connected to the inner wall of the manhole seat (1); two groups of slots (7) are provided at the bottom of the manhole cover (2); and a positioning slot (6) communicating with the slot (7) is provided on the manhole cover (2); and the positioning column (8) is clamped in the corresponding positioning slot (6).

2. The anti-dropping UHPC manhole cover according to claim 1 is characterized in that: A plurality of groups of pry holes (3) are provided on the top of the manhole cover (2).

3. The anti-dropping UHPC manhole cover according to claim 2 is characterized in that: The manhole cover (2) is provided with a plurality of groups of mounting holes (4).

4. The anti-dropping UHPC manhole cover according to claim 3 is characterized in that: A mounting ring (11) is installed inside the well seat (1) by means of bolts, a conical cylinder (12) is integrally connected to the bottom of the mounting ring (11), and a filter plate (14) is integrally connected to the bottom of the conical cylinder (12).

5. The anti-dropping UHPC manhole cover according to claim 4 is characterized in that: The bottom of the filter plate (14) is fixedly connected to a fixing rod (17), a sealing plate (13) is slidably mounted on the fixing rod (17), the bottom of the fixing rod (17) is fixedly connected to a fixing plate (18), the outer surface of the fixing rod (17) is sleeved with a spring (16), one end of the spring (16) is fixedly connected to the fixing plate (18), and the other end of the spring (16) is fixedly connected to the sealing plate (13).

6. The anti-dropping UHPC manhole cover according to claim 5, characterized in that: A rubber sealing member (15) is mounted on the mounting ring (11).

7. The anti-dropping UHPC manhole cover according to claim 6, characterized in that: A plurality of anti-slip protrusions are provided on the top of the manhole cover (2).

8. The anti-dropping UHPC manhole cover according to claim 7, characterized in that: A rubber sleeve is installed outside the spring (16), one end of the rubber sleeve is fixedly connected to the sealing plate (13), and the other end of the rubber sleeve is fixedly connected to the fixing plate (18).

9. The anti-dropping UHPC manhole cover according to claim 8, characterized in that: The manhole cover (2) is cast using ultra-high performance concrete.

10. The anti-dropping UHPC manhole cover according to claim 9, characterized in that: The upper surface of the sealing plate (13) is wrapped with a rubber layer.

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