Anti-falling inspection well cover

Abstract

The utility model belongs to the technical field of inspection well covers, and discloses an anti-falling inspection well cover which comprises a well seat fixed on an inspection well and an inspection well cover connected with the well seat into a whole through a hinge, and the inspection well cover turns over by 180 degrees along a hinge shaft of the hinge under the action of external force. Wherein an anti-falling net is arranged in an inner cavity of the well seat, and the edge part of the anti-falling net is fixed on the inner wall of the well seat through at least three hooks; a displacement sensor a is fixed to the bottom plate face of the inspection well cover, a displacement sensor b with a PLC control piece is fixed to the top plate face of the anti-falling net, and the displacement sensor b with the PLC control piece is electrically connected with the liquid level probe through a wire. And the displacement sensor b with the PLC control sheet is in signal communication connection with the urban intelligent pipe network monitoring system through a wireless network. Due to the structure, the municipal administration efficiency is improved, and the use safety of the inspection well cover is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technology field of inspection well covers, and provides a kind of anti-falling inspection well cover for improving municipal management efficiency and improving the safety of inspection well cover. BACKGROUND

[0002] The conventional inspection well cover and the anti-falling facility are usually installed separately, and are not reliably connected. The municipal management department mainly relies on displacement sensors to monitor the inspection well cover, but cannot effectively monitor the anti-falling net facility in the inspection well and the overflow of sewage in the inspection well. Since the inspection well cover and the anti-falling facility are installed separately, the inspection well cover of this structure is usually regularly inspected by the management personnel of the municipal management department, and the management efficiency is low. If the inspection well cover is missing or damaged, the management personnel of the municipal management department cannot discover and maintain it in time, and there is a potential safety hazard. SUMMARY

[0003] Therefore, the purpose of the utility model is to provide an anti-falling inspection well cover for improving municipal management efficiency and improving the safety of inspection well cover.

[0004] To achieve the above purpose, the utility model provides the following technical scheme.

[0005] The utility model provides an anti-falling inspection well cover, which comprises a well seat for being fixed on an inspection well, an inspection well cover connected with the well seat through a hinge and integrated with the well seat, and the inspection well cover is turned by 180 degrees along the hinge shaft under the action of external force. The inner cavity of the well seat is provided with an anti-falling net, and the edge of the anti-falling net is fixed on the inner wall of the well seat through at least three hooks.

[0006] The bottom plate surface of the inspection well cover is fixed with a displacement sensor a, and the top plate surface of the anti-falling net is fixed with a displacement sensor b with a PLC control sheet. The displacement sensor b with the PLC control sheet is electrically connected with a liquid level probe through a wire, and the displacement sensor b with the PLC control sheet is connected with a city intelligent pipe network monitoring system through wireless network signal communication.

[0007] To prevent the inspection well cover from jumping on the well seat, in the above scheme, further, the inner wall of the well seat is uniformly provided with at least three clamping grooves, the clamping part on the anti-jumping spring arm is inserted into the clamping groove matched therewith, the number of the anti-jumping spring arm is the same as that of the clamping grooves, and the anti-jumping spring arm is fixed on the bottom plate surface of the inspection well cover.

[0008] To ensure that the inspection well cover bears load and prolongs its service life, in the above scheme, further, the bottom plate surface of the inspection well cover is fixed with a reinforcing seat integrated therewith, the outer wall of the reinforcing seat is uniformly provided with at least three reinforcing rib plates, and the reinforcing rib plate is fixed as a whole with the outer wall of the reinforcing seat and / or the bottom plate surface of the inspection well cover.

[0009] In order to make the wire layout regular and ensure the installation height of the liquid level probe, in the above scheme, further: the wire is fixed on the top plate surface of the fall arrest net through at least three hoops a;

[0010] The hoop a includes an arc-shaped limiting plate and two positioning plates integrated with the arc-shaped limiting plate, and the positioning plates are fixed on the upper of the fall arrest net through bolts;

[0011] The arc-shaped limiting plate and the two positioning plates integrally form a limiting groove a, and the wire is located in the limiting groove a.

[0012] In order to facilitate the dismounting of the displacement sensor b with PLC control piece, in the above scheme, further: the displacement sensor b with PLC control piece is fixed on the top plate surface of the fall arrest net through a hoop b, the hoop b has four positioning ears, and screws passing through the positioning ears fix the positioning ears on the top plate surface of the fall arrest net, and the displacement sensor b with PLC control piece is located in a limiting groove b of the hoop b.

[0013] The beneficial effects of the utility model are:

[0014] 1. By installing the displacement sensor a, the displacement sensor b with PLC control piece and the liquid level probe, the real-time monitoring of the inspection well cover, the fall arrest net and the water level in the well is realized, and the municipal management efficiency is improved.

[0015] 2. The inspection well cover, the well seat and the fall arrest net designed and manufactured integrally enhance the reliability of the facilities and improve the use safety of the inspection well cover.

[0016] 3. When the inspection well cover or the fall arrest net is displaced or lost, the displacement sensor a and the displacement sensor b with PLC control piece can timely send alarm signals, so that the management personnel can timely take measures, and the municipal management efficiency is improved and the use safety of the inspection well cover is improved.

[0017] 4. The scheme is applicable to the inspection well cover of the inspection well, the interception inspection well, the inspection well with large buried depth and the important place, and has wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in detail below with reference to the drawings, and the drawings are as follows:

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic view of the utility model;

[0021] Figure 3Structure schematic view of the utility model at the place of the anti-falling net;

[0022] Figure 4 Structure schematic view of the utility model at the place of the anti-falling net;

[0023] Figure 5 Structure schematic view of the utility model at the place of the anti-falling net;

[0024] Figure 6 Structure schematic view of the utility model in the overhead direction of the hoop b

[0025] Figure 7 Control block diagram of the utility model;

[0026] Fig. 1, well seat; 2, hinge; 3, manhole cover; 4, anti-falling net; 5, hook; 6, displacement sensor a; 7, displacement sensor b with PLC control piece; 8, wire; 9, liquid level probe; 10, city wisdom pipe network monitoring system; 11, clamping groove; 12, anti-bouncing spring arm; 13, reinforcing seat; 14, reinforcing rib plate; 15, hoop a; 16, arc-shaped limiting plate; 17, positioning plate; 18, limiting groove a; 19, hoop b; 20, positioning lug; 21, limiting groove b. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with specific implementation. Among them, the drawing is only used for example description, and the representation is only a schematic diagram, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it is understandable that some well-known structures in the drawing and their description can be omitted.

[0028] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. The utility model will be further described in detail below in combination with the drawing.

[0029] As Figures 1-7The utility model provides a kind of anti-falling inspection well lid, including the well seat 1 for being fixed on inspection well, with the inspection well lid 3 of well seat 1 being connected as a whole by hinge 2, the inspection well lid 3 is overturned along the hinge shaft 180 ° of hinge 2 under external force;Wherein: the inner chamber of the well seat 1 is provided with anti-falling net 4, the edge of this anti-falling net 4 is fixed on the inner wall of well seat 1 by at least three hooks 5;

[0030] The bottom plate surface of the inspection well lid 3 is fixed with displacement sensor a6, and the top plate surface of the anti-falling net 4 is fixed with displacement sensor b7 with PLC control sheet, which is electrically conductive with liquid level probe 9 through wire 8. The displacement sensor b7 with PLC control sheet is connected with the city intelligent pipe network monitoring system 10 through wireless network signal communication. In this embodiment, the displacement sensor b7 with PLC control sheet is actually a displacement sensor integrated on a controller with PLC control sheet. The controller with PLC control sheet mainly monitors the displacement of the anti-falling net 4 in the plane position and elevation, and the relative displacement between the inspection well lid 3 and the anti-falling net 4. The controller with PLC control sheet can identify whether the anti-falling net 4 or the inspection well lid 3 is missing or damaged by receiving the displacement signal from the displacement sensor, and then feed back the information of whether the anti-falling net 4 or the inspection well lid 3 is missing or damaged to the city intelligent pipe network monitoring system 10. The management personnel of the management department can make daily management and maintenance decisions on the inspection well through the city intelligent pipe network monitoring system 10, which has a positive effect. At the same time, the controller with PLC control sheet can also judge whether the road, inspection well and pipe network have settlement by monitoring the displacement in the elevation through the displacement sensors on the inspection well lid 3 and the anti-falling net, and then feed back the signal to the city intelligent pipe network monitoring system 10. The management personnel of the management department can make daily management and maintenance decisions on the inspection well through the city intelligent pipe network monitoring system 10. In this embodiment, the well seat 1, the inspection well lid 3 and the anti-falling net 4 are all made of nodular cast iron. In this embodiment, all displacement sensors can be positioned by three-dimensional coordinates (GPS) and transmit monitoring data to the city intelligent pipe network monitoring system through wireless network signals, realizing remote monitoring and management.

[0031] To prevent the inspection well lid 3 from jumping on the well seat 1, in the above embodiment, preferably: the inner wall of the well seat 1 is uniformly provided with at least three clamping grooves 11, the clamping part on the anti-jumping spring arm 12 is inserted into the clamping groove 11 matched therewith, and the number of the anti-jumping spring arm 12 is the same as that of the clamping groove 11. The anti-jumping spring arm 12 is fixed on the bottom plate surface of the inspection well lid 3. In this embodiment, the anti-jumping spring arm 12 is a conventional product sold in the market.

[0032] In order to ensure that the inspection well cover 3 bears the load and prolongs the service life, preferably, the bottom plate surface of the inspection well cover 3 is fixed with a reinforcing seat 13 which is integrated with the inspection well cover 3, and the outer wall of the reinforcing seat 13 is uniformly provided with at least three reinforcing rib plates 14 which are fixed with the outer wall of the reinforcing seat 13 and / or the bottom plate surface of the inspection well cover 3.

[0033] In order to facilitate the regular wiring of the wire 8 and ensure the installation height of the liquid level probe 9, preferably, the wire 8 is fixed on the top plate surface of the safety net 4 through at least three hoops a15.

[0034] The hoop a15 includes an arc-shaped limiting plate 16 and two positioning plates 17 which are integrated with the arc-shaped limiting plate 16, and the two positioning plates 17 are fixed on the upper part of the safety net 4 through bolts.

[0035] The arc-shaped limiting plate 16 and the two positioning plates 17 form a limiting groove a18, and the wire 8 is located in the limiting groove a18.

[0036] In order to facilitate the installation and removal of the displacement sensor b7 with a PLC control sheet, preferably, the displacement sensor b7 with a PLC control sheet is fixed on the top plate surface of the safety net 4 through a hoop b19, the hoop b19 has four positioning ears 20, screws passing through the positioning ears 20 fix the positioning ears 20 on the top plate surface of the safety net 4, and the displacement sensor b7 with a PLC control sheet is located in a limiting groove b21 of the hoop b19.

[0037] In all the above embodiments, the related components are conventional products sold on the market. The description of the program control part is for the understanding of the invention by those skilled in the art, and is not the invention point of the scheme.

[0038] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical scheme of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical scheme, and all should be covered in the scope of the claims of the utility model.

Claims

1. A fall-preventing manhole cover, comprising a well base (1) for being fixed on a manhole, a manhole cover (3) connected with the well base (1) as a whole through a hinge (2), the manhole cover (3) being turned along the hinge axis of the hinge (2) by 180° under the action of external force; characterized in that: The inner cavity of the well seat (1) is provided with a falling prevention net (4), and the edge of the falling prevention net (4) is fixed on the inner wall of the well seat (1) through at least three hooks (5); The bottom surface of the inspection well cover (3) is fixed with a displacement sensor a (6), and the top surface of the falling prevention net (4) is fixed with a displacement sensor b (7) with a PLC control sheet, the displacement sensor b (7) with the PLC control sheet is electrically connected with a liquid level probe (9) through a wire (8), and the displacement sensor b (7) with the PLC control sheet is connected with a city intelligent pipe network monitoring system (10) through wireless network signal communication.

2. The fall arrest manhole cover of claim 1, wherein: The inner wall of the well seat (1) is uniformly provided with at least three clamping grooves (11), the clamping part on the anti-bouncing spring arm (12) is inserted into the matching clamping groove (11), the number of the anti-bouncing spring arm (12) is the same as that of the clamping groove (11), and the anti-bouncing spring arm (12) is fixed on the bottom surface of the inspection well cover (3).

3. The fall arrest manhole cover of claim 2, wherein: The bottom surface of the inspection well cover (3) is fixed with a reinforcing seat (13) integrated therewith, the outer wall of the reinforcing seat (13) is uniformly provided with at least three reinforcing rib plates (14), and the reinforcing rib plate (14) is fixed as a whole with the outer wall of the reinforcing seat (13) and / or the bottom surface of the inspection well cover (3).

4. The fall arrest manhole cover of claim 1, wherein: The wire (8) is fixed on the top surface of the falling prevention net (4) through at least three hoops a (15); The hoop a (15) comprises an arc-shaped limiting plate (16) and two positioning plates (17) integrated with the arc-shaped limiting plate (16), and the positioning plate (17) is fixed on the falling prevention net (4) through a bolt; The arc-shaped limiting plate (16) and the two positioning plates (17) integrally form a limiting groove a (18), and the wire (8) is located in the limiting groove a (18).

5. The fall arrest manhole cover of claim 1, wherein: The displacement sensor b (7) with the PLC control sheet is fixed on the top surface of the falling prevention net (4) through a hoop b (19), the hoop b (19) has four positioning ears (20), screws penetrating through the positioning ears (20) are used to fix the positioning ears (20) on the top surface of the falling prevention net (4), and the displacement sensor b (7) with the PLC control sheet is located in a limiting groove b (21) of the hoop b (19).

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