CN214994081U

CN214994081U - Anti-falling device for pipe shaft

Info

Publication number: CN214994081U
Application number: CN202120089515.9U
Authority: CN
Inventors: 李世安
Original assignee: Chongqing Hongli Construction Engineering Co ltd
Current assignee: Chongqing Hongli Construction Engineering Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-03
Anticipated expiration: 2031-01-14

Abstract

The utility model belongs to the technical field of the municipal works technique and specifically relates to a piping shaft anti-falling device is related to, it includes the prefabricated well seat and prevents weighing down the net, and the prefabricated well seat is hollow tubular structure, and in the prefabricated well seat inlays and locates the ground, prevents weighing down the net and fixes in the inner wall one side of prefabricated well seat through hook piece. The present application has the following effects: when the pipe shaft cover is opened, the anti-falling net can play a safety protection role at the inlet, and when a pedestrian is inadvertently stepped on the inlet, the anti-falling net can prevent the pedestrian from directly falling into the pipe shaft.

Description

Anti-falling device for pipe shaft

Technical Field

The application relates to the technical field of municipal engineering, in particular to a pipeline well anti-falling device.

Background

Municipal pipe network often need set up the piping shaft when the construction to follow-up maintenance personal carries out the maintenance operation of municipal pipe network in getting into the municipal pipe network through the pipeline well head. The pipe shaft is vertical setting usually, and the cross section of pipe shaft is circular usually, and the pipe shaft still is provided with the pipe manhole cover that is used for safety protection in well head department.

The Chinese patent with application number 201510097667.2 discloses a pipe well, which comprises a well base, a shaft and a well cover, wherein the shaft comprises a plurality of branch shafts, two ends of the branch shafts are sequentially connected end to end, a block-shaped first bulge is arranged on the lower end surface of the branch shaft positioned above the shaft, a first groove is arranged on the upper end surface of the branch shaft positioned below the shaft, and the adjacent first bulge of the branch shaft positioned above the shaft is embedded into the first groove of the branch shaft positioned below the shaft; a second groove is formed in the upper surface of the opening above the well seat; a first through hole vertically extending up and down is formed in the side wall of each branch shaft, and the first through hole of each branch shaft is vertically and correspondingly communicated; a second through hole vertically extending up and down is formed in the side wall of the opening above the well seat, and the first through hole and the second through hole are correspondingly communicated up and down; the lower surface of the well lid is provided with a ventilating nozzle which is of a pipeline structure, and the other end of the ventilating nozzle horizontally extends on the lower surface of the well lid; the lower surface of well lid still is equipped with the second arch. .

In view of the above related technologies, the inventor believes that the pipe manhole cover may be lifted due to rainstorm washing or artificial external force, and the like, and at this time, if a pedestrian passing through the pipe manhole does not carefully observe the road surface, the pedestrian is easy to fall into the pipe manhole, and a large potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

In order to reduce the potential safety hazard of piping shaft in piping shaft lid department, this application provides a piping shaft anti-falling device.

The application provides a piping shaft anti-falling device adopts following technical scheme:

the utility model provides a piping shaft anti-falling device, includes prefabricated well seat and prevents weighing down the net, prefabricated well seat is hollow tubular structure, and prefabricated well seat inlays and locates in the ground, prevent weighing down the net and fix in the inner wall one side of prefabricated well seat through hook spare.

Through adopting above-mentioned technical scheme, when the pipe shaft lid was uncovered, prevent weighing down the net and can play the safety protection effect in import department, the pedestrian is carelessly stepped on when empty in import department, prevents weighing down the net and can make the pedestrian be difficult for directly dropping to in the pipe shaft.

Optionally, a scarf joint notch is formed in one side, close to the axial lead of the prefabricated well seat, and the scarf joint notch enables the prefabricated well seat to form a first step located below and a second step located above.

Through adopting above-mentioned technical scheme, the scarf joint notch is used for inlaying of the walling crib of pipeline well lid to realize the firm installation of walling crib in pipeline well mouth department.

Optionally, a reinforcement cage is arranged in the prefabricated well seat, the reinforcement cage comprises main reinforcements arranged along the axial section of the prefabricated well seat and lap reinforcements fixedly connected with the main reinforcements, the main reinforcements are matched with one end of the axial section of the prefabricated well seat in shape, the lap reinforcements are annular, and the lap reinforcements are arranged at corners of the main reinforcements.

Through adopting above-mentioned technical scheme, the steel reinforcement cage is used for strengthening the stability and the bearing capacity of prefabricated well seat structure to make prevent weighing down the installation of net on prefabricated well seat more firm.

Optionally, an anchor bar is arranged at one end, away from the axial lead of the prefabricated well base, of the main steel bar, one end of the anchor bar is fixedly connected with the main steel bar, and the other end of the anchor bar is arranged in the ground.

Through adopting above-mentioned technical scheme, the anchor bar is used for strengthening the connection effect between prefabricated well seat and the ground to make the installation of prefabricated well seat at pipe shaft well head department more firm, and then make prevent weighing down the net and can play stable effectual guard action.

Optionally, the anchor bar includes one end opening and the other end confined draw-in groove section and establishes the section of bending in draw-in groove section open end both sides, the one end joint that prefabricated well base axial lead was kept away from to the owner's reinforcing bar is fixed in the tank bottom department of draw-in groove section, the section of bending is located outside the prefabricated well base, and bends the section and extend perpendicularly along the direction of keeping away from the draw-in groove section.

By adopting the technical scheme, the anchor bars and the main reinforcing steel bars are difficult to separate due to the clamping groove sections, so that the anchor bars are more stable in the prefabricated well base; the anchor is deviate from the ground through the bending section, so that the anchor bars are more stable in the ground, and the connection between the prefabricated well seat and the ground is more stable through the anchor bars.

Optionally, one end of the hook member extends into the prefabricated well seat and is clamped and fixed at one end, close to the axial lead of the prefabricated well seat, of the main steel bar, and one end, far away from the prefabricated well seat, of the hook member is bent upwards to form the hook portion.

Through adopting above-mentioned technical scheme, hook member links to each other with the main reinforcement to when making prevent weighing down the net atress, hook member also is difficult to break away from in the prefabricated well seat, thereby makes prevent weighing down the net and can form effective protection.

Optionally, the number of the hook members is at least four along the circumferential direction of the inner wall of the prefabricated well seat, a net rope is arranged between one hook member and the other hook members, and the net ropes are bound and fixed with each other at the intersection to form the anti-falling net.

By adopting the technical scheme, the bearing capacity of the anti-falling net is further enhanced after the net ropes are mutually bound, and when a pedestrian falls onto the anti-falling net, slippage between the net ropes is not easy to occur, so that the net hole of the anti-falling net is further increased.

Optionally, rope sleeving rings are arranged at the sharp corners of the anti-falling net and are clamped on the hook portions.

Through adopting above-mentioned technical scheme, the lasso ring is fixed with couple portion joint, can reach and prevent weighing down the net and fix the purpose at the piping shaft well head, installation easy operation to when maintenance personal carries out the inspection and the maintenance of piping shaft in the later stage, will prevent weighing down the net and take off from the hook piece can, convenient and fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the pipe shaft cover is opened, the anti-falling net can play a role of safety protection at the inlet, and when a pedestrian is inadvertently stepped on the inlet, the anti-falling net can prevent the pedestrian from directly falling into the pipe shaft;

2. through setting up the anchor bar, the anchor bar is used for strengthening the connection effect between prefabricated well seat and the ground to make the installation of prefabricated well seat in piping shaft well head department more firm, and then make prevent weighing down the net and can play stable effectual guard action.

Drawings

FIG. 1 is a schematic structural diagram of the whole body of the anti-falling device for the pipe shaft according to the embodiment of the application;

FIG. 2 is an isometric view of the plumb shaft fall arrest device of an embodiment of the present application;

fig. 3 is a schematic structural diagram of a reinforcement cage and a fall protection net in the embodiment of the application.

Description of reference numerals: 1. prefabricating a well seat; 11. embedding the notch; 12. a first step; 13. a second step; 2. the anti-falling net; 21. a net rope; 22. a rope loop; 3. a reinforcement cage; 31. a main reinforcing bar; 32. lapping reinforcing steel bars; 33. anchoring ribs; 331. a slot clamping section; 332. bending sections; 4. a hook member; 41. a hook part.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses piping shaft anti-falling device. Referring to fig. 1, the pipe well anti-falling device comprises a prefabricated well seat 1 and an anti-falling net 2.

Prevent weighing down net 2 and establish in the well head department of pipe-line shaft, and prevent weighing down net 2 and be located the below of pipe-line shaft lid. When the pipe shaft cover is opened, the anti-falling net 2 can play a role of safety protection at an inlet, and when a pedestrian steps on the inlet carelessly, the anti-falling net 2 can prevent the pedestrian from directly falling into the pipe shaft. The prefabricated well seat 1 is used for installing and fixing the anti-falling net 2, so that the anti-falling net 2 can reduce the potential safety hazard that pedestrians fall into the pipe well.

The prefabricated well seat 1 is of a hollow tubular structure. The prefabricated well seat 1 is of a prefabricated concrete structure, the prefabricated well seat 1 is fixed at the well mouth of the pipe well, and the prefabricated well seat 1 is embedded in the ground. During construction, a foundation pit is excavated, then construction operation of the pipeline well is carried out in the foundation pit, and a certain interval is kept between the wellhead of the pipeline well and the ground. During the piping shaft construction, can carry out the prefabrication of prefabricated well seat 1 and pour, can carry out the fixed of prefabricated well seat 1 after waiting the piping shaft construction to prefabricated well seat 1 still keeps certain interval with ground, so that the installation of piping shaft lid, thereby makes the piping shaft lid flush with ground. The prefabricated well seat 1 is embedded in the ground, and the stability of the prefabricated well seat 1 is enhanced to a certain extent.

Referring to fig. 2 and 3, the side of the prefabricated well base 1 close to the axial lead of the prefabricated well base 1 is provided with an embedding notch 11. The cross section of the embedding notch 11 is circular, the inner diameter of the embedding groove is equal to that of the prefabricated well seat 1, and the outer diameter of the embedding groove is smaller than that of the prefabricated well seat 1. The engagement slot 11 enables the prefabricated well seat 1 to form a first step 12 located below and a second step 13 located above. The scarfing notch 11 is used for embedding of the walling crib of the pipeline manhole cover to realize the firm installation of the walling crib at the pipeline manhole, and then with pipeline manhole cover and walling crib fixed connection can. In order to prevent the well cover from being stolen, the well cover and the well ring can be made of composite non-metallic materials.

A reinforcement cage 3 is arranged in the prefabricated well seat 1. The reinforcement cage 3 is used for enhancing the stability and the bearing capacity of the structure of the prefabricated well seat 1, so that the anti-falling net 2 is more stably installed on the prefabricated well seat 1. The reinforcement cage 3 comprises main reinforcement 31 and overlap reinforcement 32. The main steel bar 31 is arranged along the axial section of the prefabricated well seat 1, and the main steel bar 31 is matched with the shape of one end of the axial section of the prefabricated well seat 1, namely the main steel bar 31 is matched with the first step 12 and the second step 13. The overlap reinforcement 32 is ring-shaped, and the overlap reinforcement 32 is disposed at each corner of the main reinforcement 31, that is, at the corresponding positions of the internal corner and the external corner of the first step 12 and the second step 13. The lap bars 32 are welded and fixed with the main bars 31.

And an anchor bar 33 is arranged at one end of the main steel bar 31 far away from the axial lead of the prefabricated well base 1. One end of the anchor bar 33 is fixedly connected with the main steel bar 31, and the anchor bar 33 is in one-to-one correspondence with the main steel bar 31, namely, one end of the anchor bar 33 is pre-buried in the prefabricated well base 1. The other end of the anchor bar 33 is located in the ground. The anchor bars 33 are used for enhancing the connecting effect between the prefabricated well base 1 and the ground, so that the prefabricated well base 1 is more stable in installation at the wellhead of the pipe well, and the anti-falling net 2 can play a role in stabilizing and effectively protecting.

The anchor bar 33 includes a notch section 331 and a bent section 332. The slot section 331 has an opening at one end and a closed end at the other end, and the slot section 331 includes a semicircular reinforcing bar and straight reinforcing bars fixed to both ends of the semicircular reinforcing bar. One end of the main steel bar 31, which is far away from the axial lead of the prefabricated well base 1, is clamped at the groove bottom of the clamping groove section 331, namely at the semicircular steel bar, and the bending inner diameter of the semicircular steel bar can be equal to the diameter of the main steel bar 31. The semicircular reinforcing steel bars are welded and fixed with the main reinforcing steel bar 31. The bending sections 332 are arranged on two sides of the opening end of the clamping groove section 331, the bending sections 332 are located outside the prefabricated well base 1, and the bending sections 332 are the ends of the anchor bars 33 arranged in the ground. The bending section 332 extends vertically along a direction away from the slot section 331, and the bending section 332 and the slot section 331 are located in the same horizontal plane.

The notch section 331 makes it difficult to separate the anchor bar 33 from the main reinforcement bar 31, so that the anchor bar 33 is more stable in the prefabricated well base 1; bending section 332 enables the anchor to be pulled out of the ground so that anchor bars 33 are more stable in the ground, and thus the connection between prefabricated well base 1 and the ground is more stable through anchor bars 33. When the anti-falling net 2 is stressed, the prefabricated well seat 1 is difficult to shake, so that pedestrians on the anti-falling net 2 are safer.

The anti-falling net 2 is fixed on one side of the inner wall of the prefabricated well seat 1 through the hook piece 4. One end of the hook member 4 extends into the prefabricated well seat 1, and one end of the hook member 4 extending into the prefabricated well seat 1 is bent and clamped on the main steel bar 31, namely, the hook member 4 and the prefabricated well seat 1 are prefabricated and molded together. The other end of the hook is bent upwards at the axial section of the prefabricated well seat 1 to form a hook part 41, and the hook part 41 is used for installing and fixing the anti-falling net 2. The hook piece 4 is connected with the main steel bar 31, so that when the anti-falling net 2 is stressed, the hook piece 4 is difficult to separate from the prefabricated well seat 1, and the anti-falling net 2 can form effective protection.

The number of the hook members 4 is at least four along the circumferential direction inside the prefabricated well seat 1 at equal intervals. Net ropes 21 are arranged between one hook member 4 and the other hook members 4, and all the net ropes 21 are mutually bound and fixed at the crossing part to form the anti-falling net 2. Therefore, when only three hook members 4 are provided, the net string 21 between the hook members 4 cannot form a net structure. This embodiment will be described by taking eight hook members 4 as an example. The net rope 21 can be made of damp-proof materials such as high-strength polyethylene and the like, and the net rope 21 can be made of not less than three strands of single ropes, so that the net rope 21 meets the requirement of bearing. After the net ropes 21 are mutually bound, the bearing capacity of the anti-falling net 2 is further enhanced, and when pedestrians fall onto the anti-falling net 2, slippage among the net ropes 21 is not easy to occur, so that net holes of the anti-falling net 2 are further enlarged.

The rope sleeving ring 22 is arranged at the sharp corner of the anti-falling net 2. The rope looping ring 22 is formed by a net rope 21 which extends along the direction far away from the anti-falling net 2 for a distance and then turns around and is bound and fixed with the anti-falling net 2. The rope loop 22 is in one-to-one correspondence with the hook piece 4, and the rope loop 22 is fixed with the joint of the hook part 41, so that the aim of fixing the anti-falling net 2 at the wellhead of the pipe well is fulfilled, the installation process is simple in operation, and the anti-falling net 2 can be taken down from the hook piece 4 when the maintenance personnel performs inspection and maintenance of the pipe well in the later stage, and the operation is convenient and fast.

The implementation principle of the anti-falling device for the pipe shaft in the embodiment of the application is as follows: during construction, firstly, a foundation pit is excavated on the ground, and then the pipeline well is constructed at the foundation pit. During the piping shaft construction, can carry out the prefabrication of prefabricated well seat 1, wear to establish in main reinforcing bar 31 earlier overlap joint reinforcing bar 32 to with overlap joint reinforcing bar 32 and main reinforcing bar 31 welded fastening in order to form steel reinforcement cage 3. And simultaneously, the anchor bars 33 are welded and fixed at one ends of the main steel bars 31, which are far away from the axial lead of the prefabricated well base 1, and the ends of the main steel bars 31, which are far away from the axial lead of the prefabricated well base 1, are clamped at the groove bottoms of the clamping grooves before the anchor bars 33 are welded. And the end of the hook member 4 far away from the hook part 41 is bent and clamped and fixed at the end of the main steel bar 31 close to the axial lead of the prefabricated well seat 1. And then, building a template of the prefabricated well seat 1 to perform prefabricated pouring of the prefabricated well seat 1. After the construction of the pipeline well is completed, the prefabricated well seat 1 can be fixed at the wellhead of the pipeline well, and then the prefabricated well seat 1 is backfilled on the ground, so that the prefabricated well seat 1 is embedded in the ground. Then, the binding operation of the net rope 21 is carried out according to the distance between the hook parts 4 to form the anti-falling net 2, then the binding of the rope sleeving ring 22 is carried out at the sharp corner of the anti-falling net 2, and then the rope sleeving ring 22 is clamped on the hook part 41, so that the anti-falling net 2 is arranged at the inlet of the pipe shaft.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a piping shaft anti-falling device which characterized in that: the anti-falling device comprises a prefabricated well seat (1) and an anti-falling net (2), wherein the prefabricated well seat (1) is of a hollow tubular structure, the prefabricated well seat (1) is embedded in the ground, and the anti-falling net (2) is fixed on one side of the inner wall of the prefabricated well seat (1) through a hook piece (4); one side, close to the axial lead of the prefabricated well seat (1), of the prefabricated well seat (1) is provided with an embedding notch (11), and the embedding notch (11) enables the prefabricated well seat (1) to form a first step (12) at the lower part and a second step (13) at the upper part; prefabricated well seat (1) embeds steel reinforcement cage (3), steel reinforcement cage (3) include carry out main reinforcement (31) that sets up and overlap joint reinforcing bar (32) with main reinforcement (31) fixed connection along prefabricated well seat (1) axial cross section, main reinforcement (31) and the shape looks adaptation of prefabricated well seat (1) axial cross section one end, overlap joint reinforcing bar (32) become cyclic annular, and overlap joint reinforcing bar (32) set up in each corner of main reinforcing bar (31).

2. The piping shaft fall prevention device according to claim 1, characterized in that: the one end that prefabricated well seat (1) axial lead was kept away from in main reinforcement (31) is equipped with anchor bar (33), the one end and main reinforcement (31) fixed connection of anchor bar (33), the other end of anchor bar (33) is located the ground.

3. The piping shaft fall prevention device according to claim 2, characterized in that: anchor bar (33) include one end opening and other end confined draw-in groove section (331) and establish the section of bending (332) in draw-in groove section (331) open end both sides, prefabricated well seat (1) axial lead's one end joint is kept away from in owner reinforcing bar (31) and the tank bottom department at draw-in groove section (331) is fixed, bend section (332) and be located outside prefabricated well seat (1), and bend section (332) and extend perpendicularly along the direction of keeping away from draw-in groove section (331).

4. The piping shaft fall prevention device according to claim 1, characterized in that: one end of each hook piece (4) extends into the corresponding prefabricated well seat (1) and is clamped and fixed at one end, close to the axial lead of the corresponding prefabricated well seat (1), of each main reinforcing steel bar (31), and the other end of each hook piece (4) is bent upwards on the axial section of the corresponding prefabricated well seat (1) to form a hook portion (41).

5. The piping shaft fall prevention device according to claim 1, characterized in that: the anti-falling net is characterized in that the number of the hook members (4) is at least four along the circumferential direction of the inner wall of the prefabricated well seat (1), net ropes (21) are arranged between one hook member (4) and the rest hook members (4), and the net ropes (21) are bound and fixed with each other at the crossing positions to form the anti-falling net (2).

6. The piping shaft fall prevention device according to claim 5, wherein: rope sleeving rings (22) are arranged at the sharp corners of the anti-falling net (2), and the rope sleeving rings (22) are connected to the hook portions (41) in a clamping mode.