Mounting structure for anti-falling net of overhaul well

Abstract

The utility model discloses a manhole anti-falling net mounting structure which comprises an annular groove formed in the well wall of a manhole in a surrounding mode and an annular rail groove formed inwards in a surrounding mode along the annular groove, and a plurality of embedded movable hooks are arranged in the annular rail groove in a sliding mode. The embedded movable hooks are hidden in the annular groove and do not protrude out of the inner surface of the well wall, and an anti-falling net of the overhaul well is hung on the embedded movable hooks. According to the anti-falling net hanging device, body injuries caused when construction workers enter and exit from the overhaul well can be avoided, the hung anti-falling nets can be concentrated at one position to be hung in the overhaul well to be collected in a centralized mode, an avoiding space is provided for the construction workers to enter and exit from the overhaul well, and the anti-falling net hanging device has the advantage of being flexible in centralized collection of the anti-falling nets.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of manhole protection, especially to a manhole anti-falling net installation structure. BACKGROUND

[0002] In municipal engineering such as underground pipe network, underground pipe network is constructed through manhole. In order to prevent falling, an external protection net can be arranged in the manhole, so as to prevent the risk of falling of personnel and objects after the manhole cover is opened or missing. The existing anti-falling net is installed through hooks protruding from the well wall. When the underground pipe network is maintained, the anti-falling net on the hooks needs to be removed, and then the construction personnel enter the manhole to maintain and repair the underground pipeline. After maintenance, the anti-falling net needs to be installed on the hooks. The anti-falling net can be collected and hung on one or several adjacent hooks, and it is operated one by one. When it is recovered, the anti-falling net collected on one or several hooks is hung on different hooks. The disadvantage is that the anti-falling net disassembly process or the collection process is complicated, and on the other hand, the hooks protruding from the well wall often touch the body parts of the construction personnel, which is easy to cause physical harm to the construction personnel. SUMMARY

[0003] The utility model aims at providing a manhole anti-falling net installation structure to solve the problem of complicated collection process of the anti-falling net in the manhole and the hooks protruding from the well wall which are easy to cause physical harm to the construction personnel.

[0004] In order to solve the above technical problems, the utility model provides a technical scheme: a manhole anti-falling net installation structure, comprising: an annular groove arranged around the well wall of the manhole, an annular track groove arranged inwardly along the annular groove, a plurality of embedded movable hooks slidably arranged in the annular track groove, the embedded movable hooks being hidden in the annular groove and not protruding from the inner surface of the well wall, and the anti-falling net of the manhole being hung on each embedded movable hook.

[0005] Further, the utility model provides a manhole anti-falling net installation structure, a plurality of positioning grooves are uniformly distributed and arranged downwardly in the annular track groove, each embedded movable hook is slid downwardly to one positioning groove and fixed, and the embedded movable hook is restored to slide in the annular track groove when it is moved upwardly from the positioning groove to the annular track groove.

[0006] Further, the utility model provides a manhole anti-falling net installation structure, the embedded movable hook comprises a sliding seat matched with the annular track groove, a hook body is fixedly arranged on the sliding seat, and the hook body faces the manhole.

[0007] Further, the utility model provides the maintenance well anti -fall net installation structure, the annular groove is arranged on the well wall of the maintenance well, and the annular groove is provided with the annular track groove in it.

[0008] Further, the utility model provides the maintenance well anti -fall net installation structure, the well wall of the maintenance well comprises the main body structure section and the main body reinforcing section from bottom to top, and the annular groove is arranged on the main body reinforcing section.

[0009] Further, the utility model provides the maintenance well anti -fall net installation structure, the main body reinforcing section is reinforced concrete structure, and the main body structure section is reinforced concrete structure or masonry structure.

[0010] Compared with the prior art, the utility model has the advantages of the following:

[0011] The maintenance well anti -fall net installation structure provided by the utility model hides the inlay movable hook in the annular groove and does not protrude from the inner surface of the well wall, so that the work personnel will not be injured by the inlay movable hook when opening the well lid and entering the inside of the maintenance well, and the problem that the traditional hook protruding from the well wall causes physical injury to the work personnel is overcome. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the plane structure schematic view of maintenance well anti -fall net installation structure;

[0013] Figure 2 It is Figure 1 The sectional structure schematic view of A-A in it;

[0014] Figure 3 It is Figure 2 The sectional structure schematic view of B-B in it;

[0015] Figure 4 It is Figure 1 The structure schematic view of inlay movable hook node in it;

[0016] Figure 5 It is Figure 4 The sectional structure schematic view of C-C in it;

[0017] Figure 6is a structural schematic view of the embedded mobile hook;

[0018] Figure 7 is an enlarged structural schematic view of the node of the annular groove, the annular track groove and the positioning groove on the shaft wall;

[0019] shown in the figure:

[0020] 100, the maintenance well anti-falling net installation structure, 110, the annular groove, 120, the annular track groove, 130, the positioning groove, 140, the embedded mobile hook, 141, the sliding seat, 142, the hook body, 150, the anti-falling net, 160, the lead core coating;

[0021] 200, the maintenance well, 210, the main body structure section, 220, the main body reinforcing section, 230, the well base, 240, the well cover. DETAILED DESCRIPTION

[0022] The utility model will be described in detail below in combination with the drawings: according to the following description, the advantages and characteristics of the utility model will be more clear.It should be noted that, the drawings all adopt very simplified form and all use non-precise proportion, just to facilitate, clear and assist the purpose of clearly explaining the embodiment of the utility model.

[0023] Please refer to Figures 1 to 7 The utility model embodiment provides a kind of maintenance well anti-falling net installation structure 100, comprising: annular groove 110 being set around on the shaft wall of maintenance well 200, annular track groove 120 is set around inward along the annular groove 110, several embedded mobile hooks 140 are slidably arranged in the annular track groove 120, the embedded mobile hook 140 is hidden in annular groove 110 and does not protrude in the inner surface of shaft wall, the anti-falling net 150 of maintenance well 200 is hung on each embedded mobile hook 140.

[0024] The maintenance well anti-falling net mounting structure 100 provided by the embodiment of the utility model, through the annular groove 110 arranged around the well wall of the maintenance well and the annular track groove 120 in it, hides the inlaid movable hook 140 in the annular groove 110 without protruding in the inner surface of the well wall, so when the construction worker opens the well lid to enter the inside of the maintenance well, will not be hurt by the inlaid movable hook 140, overcomes the problem that the traditional hook protruding in the well wall causes physical injury to the construction worker; through the sliding of the inlaid movable hook 140 in the annular track groove 120, can concentrate the hanging anti-falling net in one place and hang in the maintenance well to concentrate and store, facilitates the concentrated folding of the anti-falling net to provide a space for the construction worker to enter and exit the maintenance well; when the maintenance part is interfered by the concentrated anti-falling net, can change the position of the concentrated anti-falling net through the sliding of the inlaid movable hook 140 in the annular track groove 120, facilitates the maintenance work of the underground pipe network in the maintenance well, has the advantage that the concentrated anti-falling net is flexible.

[0025] Please refer to Figures 3 to 7 In order to guarantee the stability of the anti-falling net 150 installed in the maintenance well 200 when not maintaining, keep dispersing covering the maintenance well 200, avoid concentrating, the maintenance well anti-falling net mounting structure 100 provided by the embodiment of the utility model, the annular track groove 120 is downwardly and continuously provided with a plurality of evenly distributed positioning grooves 130, each inlaid movable hook 140 is correspondingly downwardly slid to one positioning groove 130 and fixed, the inlaid movable hook 140 is upwardly moved out from the positioning groove 130 to the annular track groove 120 and is restored to slide in the annular track groove 120. Then the anti-falling net 150 is moved to the positioning groove 130 through the inlaid movable hook 140 of each hanging node, can fix and lock the inlaid movable hook 140, at this time the anti-falling net 150 cannot move, so as to keep the anti-falling net 150 covering the maintenance well 200 to form an effective protection. When the maintenance well 200 is maintained, the well lid 240 is opened, the anti-falling net 150 is upwardly moved out from the positioning groove 130 to the annular track groove 120 through the inlaid movable hook 140 of the hanging node and is slid to one place to concentrate and store, so that the maintenance well 200 is in an open and unprotected state, so as to facilitate the construction worker to enter and exit the maintenance well 200. Of course, the fixed locking structure of the inlaid movable hook 140 and the track groove 120 is not limited to the above-mentioned mode, can be fixed through the inlaid movable hook with the brake function and the track groove 120, the track groove 120 is not limited to the groove with a rectangular section, can also be a groove with a few Chinese characters section. The interval between the positioning grooves 130 includes but is not limited to 300mm.

[0026] Please refer to Figures 5 to 6The inner-embedded movable hook 140 of the embodiment of the utility model is matched with the sliding structure of the annular track groove 120, and the sliding structure is simple and convenient for engineering construction.

[0027] Please refer to Figures 5 to 7 In order to make the inner-embedded movable hook 140 slide smoothly in the annular track groove 120, the utility model embodiment provides the maintenance well anti-falling net installation structure 100, the annular track groove 120 and the positioning groove 130 are provided with lead core coating 160.

[0028] Please refer to Figure 2 In order to improve the pulling force of the hung anti-falling net 150, the utility model embodiment provides the maintenance well anti-falling net installation structure 100, the well wall of the maintenance well 200 comprises the main body structure section 210 and the main body reinforcing section 220 from bottom to top, and the annular groove 110 is arranged on the main body reinforcing section 220.

[0029] The utility model is not limited to the above specific implementation, obviously, the above described embodiment is a part of the embodiment of the utility model embodiment, but not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art belong to the range of the utility model protection. The person skilled in the art can make other levels of modification and change to the utility model. Thus, if these modifications and changes of the utility model are within the scope of the claims of the utility model, the utility model also intends to include these changes and changes.

Claims

1. An inspection well fall arrest net installation structure characterized by, The utility model relates to a safety device for manhole, which comprises: a ring groove arranged around the well wall of the manhole, a ring track groove arranged around the ring groove inwardly, a plurality of embedded movable hooks arranged in the ring track groove and sliding, the embedded movable hooks are hidden in the ring groove and do not protrude from the inner surface of the well wall, and the safety net of the manhole is hung on each embedded movable hook.

2. The installation structure of the inspection well arresting net according to claim 1, wherein A plurality of positioning grooves are uniformly distributed and arranged downwardly in the ring track groove, each embedded movable hook is correspondingly fixed in a positioning groove by sliding downwardly along the ring track groove, and the embedded movable hook resumes sliding in the ring track groove when moving upwardly from the positioning groove to the ring track groove.

3. The installation structure of the inspection well arresting net according to claim 2, characterized in that, The embedded movable hook comprises a sliding seat matched with the ring track groove, a hook body fixedly arranged on the sliding seat, and the hook body faces the manhole.

4. The installation structure of the inspection well arresting net according to claim 2, wherein The ring track groove and the positioning groove are provided with a lead core coating.

5. The installation structure of the inspection well arresting net according to claim 1, wherein The well wall of the manhole comprises a main body structure section and a main body reinforcing section from bottom to top, and the ring groove is arranged on the main body reinforcing section.

6. The installation structure of the inspection well arresting net according to claim 5, wherein The main body reinforcing section is a reinforced concrete structure, and the main body structure section is a reinforced concrete structure or a masonry structure.

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