CN214005906U - A inspection shaft that is used for laying sewage pipe in utility tunnel - Google Patents

A inspection shaft that is used for laying sewage pipe in utility tunnel Download PDF

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Publication number
CN214005906U
CN214005906U CN202022559267.8U CN202022559267U CN214005906U CN 214005906 U CN214005906 U CN 214005906U CN 202022559267 U CN202022559267 U CN 202022559267U CN 214005906 U CN214005906 U CN 214005906U
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plate
sewage
drop
water
dustbin
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CN202022559267.8U
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Chinese (zh)
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邓胜平
凌皓
何洋
唐卉
张西漾
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Chengdu Municipal Engineering Design And Research Institute Co ltd
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Chengdu Municipal Engineering And Research Design Institute
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Abstract

The utility model relates to an inspection shaft for laying sewage pipe in utility tunnel, including the well body, the well body is including drop water room and service room, the drop water room is linked together with the sewage branch pipe of predetermineeing in utility tunnel, the service room is located well body wellhead under, the vertical cat ladder that is provided with on the lateral wall that is located the service room in the well body, be provided with the division board between drop water room and the service room, one side that is close to the service room on the division board is provided with overhauls the platform. This application has the effect that makes things convenient for maintenance personal business turn over piping lane to maintain.

Description

A inspection shaft that is used for laying sewage pipe in utility tunnel
Technical Field
The utility model belongs to the technical field of utility tunnel technique and specifically relates to an inspection shaft that is used for laying sewage pipe in utility tunnel.
Background
The underground comprehensive pipe gallery is a public tunnel which is used for centrally laying municipal pipelines such as power, communication, broadcast television, water supply, heating power and the like underground in a city. The construction of the urban underground comprehensive pipe gallery can solve the problems of 'road zippers', 'aerial cobweb' and frequent pipeline accidents and the like, and has important significance for guaranteeing urban safety, improving urban functions, improving urban appearances and promoting economic growth. The country advances utility tunnel construction in recent years, brings all kinds of municipal pipeline into the utility tunnel and lays, avoids different pipelines to lay in the different periods and causes the repeated excavation problem of town road.
To the correlation technique among the above-mentioned, the inventor thinks that current sewage pipe gallery has that the trunk line buries deeply greatly, the pipeline height difference that intersects is big to lead to the maintenance personal to get into the interior back of sewage pipe inconvenient maintenance.
SUMMERY OF THE UTILITY MODEL
For maintenance personnel business turn over piping lane maintain for convenience, this application provides one kind and lays the inspection shaft of sewage pipe in with utility tunnel.
The utility model provides a manhole that is used for laying sewage pipe in utility tunnel adopts following technical scheme:
the utility model provides an inspection shaft for laying sewage pipe in utility tunnel, includes the well body, the well body includes drop chamber and maintenance room, the drop chamber is linked together with predetermineeing the sewage branch pipe in utility tunnel, the maintenance room is located well body wellhead under, the vertical cat ladder that is provided with on the lateral wall that is located the maintenance room in the well body, be provided with the division board between drop chamber and the maintenance room, one side that is close to the maintenance room on the division board is provided with overhauls the platform.
By adopting the technical scheme, when a maintenance worker maintains the sewage pipe in the pipe gallery, the maintenance worker can directly go down into the well from the well mouth of the well body through the ladder stand, and can directly transfer the sewage pipe from the ladder stand to the maintenance platform when going down to the position on the ladder stand close to the maintenance platform; after the overhaul is finished, the sewage pipe can be transferred to the crawling ladder again from the overhaul platform, then the well body is moved out of the crawling ladder, and then the effect that maintenance personnel can conveniently enter the pipe gallery to maintain the sewage pipe is achieved.
Optionally, the sewage branch pipe is communicated with the position, close to the top, of the drop chamber, the drop chamber is also communicated with a sewage main pipe preset in the comprehensive pipe gallery, the sewage main pipe is communicated with the position, close to the bottom, of the drop chamber, and a water cushion plate is horizontally arranged on the side wall, located in the drop chamber, of the sewage branch pipe and the sewage main pipe.
By adopting the technical scheme, after the sewage branch pipe and one section of the sewage main pipe are both positioned in the drop chamber, maintenance personnel can maintain the sewage branch pipe and one section of the sewage main pipe in the drop chamber in the well body; the water cushion plate can prevent the high-fall water flow from excessively scouring the sewage main pipe.
Optionally, the both sides of packing plate are provided with the drainage plate, the drainage plate slope sets up, the slope top of drainage plate is connected with the flange limit of drainage plate, the slope bottom extends to keeping away from packing plate side, sewage is responsible for and is located packing plate under, and the diameter that sewage was responsible for is less than the horizontal width that drainage plate and packing plate formed.
By adopting the technical scheme, when one section of the sewage branch pipe positioned in the water drop chamber leaks, water can directly flow onto the water cushion plate and then flow onto the drainage plate from the water cushion plate, and the drainage plate is obliquely arranged, so that the water can flow down along the plate surface of the drainage plate; and because the sewage is responsible for and is located the water-stop board under, consequently the sewage that flows down from the sewage branch pipe can not direct be responsible for the contact with the sewage, and then stops sewage to a certain extent and erode the surface that the sewage was responsible for to reach water proof effect.
Optionally, the water filling plate and the side wall end of the drainage plate far away from the water dropping chamber are provided with a water blocking edge.
Through adopting above-mentioned technical scheme, the setting on manger plate limit can prevent sewage to a certain extent from flowing down from one side of the board that fills up water, therefore make sewage only can flow to the drainage plate from the board that fills up water on, reach the effect that carries out the orientation to sewage and block.
It is optional, be provided with filter plate in the drop chamber, filter plate slope sets up in the drop chamber and is located between sewage branch pipe and the sewage person in charge, the slope top of filter plate is connected with the inner wall of drop chamber, the slope bottom is connected with the face of division board, the slag notch has been seted up on the division board, filter plate's slope bottom is fairly flat with the lower extreme of slag notch, be provided with upper end opening dustbin on the maintenance platform, the dustbin is located the below of slag notch, be provided with on the inside wall of drop chamber and push away the sediment subassembly, it is used for pushing into the dustbin through the slag notch with the rubbish that is in on the filter plate to push away the sediment subassembly.
By adopting the technical scheme, when the sewage branch pipe leaks, a lot of garbage impurities can be doped in the sewage, and at the moment, the filtering screen plate can stop the garbage impurities, so that the sewage can continuously flow onto the water-padding plate through the filtering screen plate; when piling up too much rubbish impurity on filtering the otter board, just can push into the dustbin through pushing away the sediment subassembly after the slag notch to these rubbish impurity of piling up on filtering the otter board and stack concentratedly, and then reach the effect that conveniently lets the maintenance personal take these rubbish out of the well body after the sewage branch pipe after having maintained.
Optionally, push away the sediment subassembly and include the cylinder and push away the sediment board, it holds the chamber to have seted up on the inside wall of drop hydroecium, the cylinder sets up hold the intracavity, the extending direction of the piston rod of cylinder parallels with the face of crossing filter plate, it sets up on the piston rod of cylinder to push away the sediment board, just it laminates with the face of crossing filter plate on one side of sediment board to push away, the length that pushes away the sediment board is the same with the length of slag notch.
Through adopting above-mentioned technical scheme, start the cylinder, make the piston rod of cylinder stretch out, push away the cinder plate on the piston rod of cylinder this moment just can promote to being close to the partition board side along the slope of filtering the otter board, thereby push the rubbish impurity of piling up on filtering the otter board and promote to the slag notch side, finally promote the opposite side of partition board through the slag notch to the rubbish impurity that is in on filtering the otter board, and rubbish can vertical whereabouts under the action of gravity, because the dustbin is in the below of slag notch, consequently rubbish can directly fall into the dustbin, and then reach and promote comparatively convenient effect in the dustbin to the rubbish on filtering the otter board.
Optionally, the maintenance platform is provided with an enclosing frame, the enclosing frame is used for placing the garbage can, the side wall of the enclosing frame is provided with a fastening bolt, and the fastening bolt is used for fastening the garbage can in the enclosing frame.
Through adopting above-mentioned technical scheme, the setting of enclosing the frame can be fixed a position the dustbin on overhauing the platform, and support setting up of tight bolt then can fix the dustbin in enclosing the frame, and then make rubbish be difficult for rocking falling into the in-process dustbin of dustbin.
Optionally, the opening part of the upper end of the dustbin is provided with an inclined coaming, the inclined lowest end of the inclined coaming is connected with the opening edge of the dustbin, and the inclined highest end of the inclined coaming extends towards the side far away from the dustbin.
Through adopting above-mentioned technical scheme, the setting up of slope bounding wall has increased the entry area of dustbin for rubbish is changeed and is fallen into the dustbin from slag notch department in, thereby avoids rubbish to a certain extent to receive to cross the condition emergence that the dustbin fell to overhauing the platform behind the thrust that pushes away the slag plate.
In summary, the present application includes at least one of the following beneficial technical effects:
when a maintenance person maintains the sewage pipe in the pipe gallery, the maintenance person can directly go down into the well from the well mouth of the well body through the ladder stand, and can directly transfer the sewage pipe to the maintenance platform from the ladder stand when going down to the place, close to the maintenance platform, on the ladder stand, the arrangement of the maintenance platform gives the maintenance person a space for arranging tools, and the sewage pipe can be checked and maintained on the maintenance platform; after the overhaul is finished, the sewage pipe can be transferred to the crawling ladder from the overhaul platform again, and then the well body is moved out of the crawling ladder, so that the effect that maintenance personnel can conveniently enter a pipe gallery to maintain the sewage pipe is achieved;
when a section of the sewage branch pipe positioned in the water drop chamber leaks, water can directly flow onto the water cushion plate and then flows onto the drainage plate from the water cushion plate, and the water can flow down along the plate surface of the drainage plate due to the inclined arrangement of the drainage plate; the main sewage pipe is positioned right below the water-stopping plate, so that sewage flowing down from the sewage branch pipe cannot directly contact with the main sewage pipe, and the corrosion of the sewage on the surface of the main sewage pipe is prevented to a certain extent, so that the water-stopping effect is achieved;
the cylinder is started, make the piston rod of cylinder stretch out, push away the cinder plate on the piston rod of cylinder this moment just can promote towards being close to the partition board side along the slope of filter plate board, thereby to push away to the slag notch side pushing the rubbish impurity that will pile up on filter plate board, finally promote the opposite side of division board through the slag notch to the rubbish impurity that is in on filter plate board, and rubbish can vertical whereabouts under the action of gravity, because the dustbin is in the below of slag notch, consequently rubbish can directly fall into the dustbin in, and then reach and push away the rubbish on filter plate board comparatively convenient effect in the dustbin.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
FIG. 2 is a partial cross-sectional view of an embodiment of the present application showing the interior of a well body.
Description of reference numerals: 1. a well body; 11. a drop water chamber; 12. an overhaul room; 13. a partition plate; 131. a slag hole: 14. a sewage branch pipe; 15. a sewage main pipe; 2. climbing a ladder; 3. a water-cushion plate; 31. a drainage plate; 32. a water blocking edge; 4. a filter screen plate; 5. a dustbin; 51. inclining the coaming; 6. a slag pushing assembly; 61. a cylinder; 62. a slag pushing plate; 7. overhauling the platform; 71. enclosing a frame; 711. the bolt is pressed tightly.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses an inspection shaft that is used for laying sewage pipe in utility tunnel. Referring to fig. 1 and 2, the inspection well for laying the sewage pipe in the comprehensive pipe gallery comprises a well body 1, wherein the well body 1 comprises a water dropping chamber 11 and an inspection chamber 12, the water dropping chamber 11 is communicated with a sewage branch pipe 14 preset in the comprehensive pipe gallery, and the inspection chamber 12 is positioned right below a well mouth of the well body 1; a ladder stand 2 is vertically arranged on the side wall of an overhaul room 12 in the well body 1, a partition plate 13 is arranged between the water drop room 11 and the overhaul room 12, and an overhaul platform 7 is arranged on one side of the partition plate 13 close to the overhaul room 12; however, the partition plate 13 does not completely separate the drop chamber 11 from the service chamber 12, but both the upper and lower ends are communicated, and only the middle position of the well body 1 is separated.
When a maintenance person maintains the sewage pipe in the pipe gallery, the maintenance person can directly go down into the well from the well mouth of the well body 1 through the ladder stand 2, and can directly transfer the sewage pipe from the ladder stand 2 to the maintenance platform 7 when going down to the position, close to the maintenance platform 7, on the ladder stand 2, the maintenance person is provided with a space for arranging tools, and the sewage pipe can be checked and maintained on the maintenance platform 7; after the overhaul is finished, the sewage pipe can be transferred to the crawling ladder 2 from the overhaul platform 7 again, then the well body 1 is moved out of the crawling ladder 2, and then the effect that maintenance personnel can conveniently enter a pipe gallery to maintain the sewage pipe is achieved.
As shown in fig. 1 and 2, the sewage branch pipe 14 is communicated with a position of the drop chamber 11 near the top, the drop chamber 11 is also communicated with a main sewage pipe 15 preset in the utility tunnel, the main sewage pipe 15 is communicated with a position of the drop chamber 11 near the bottom, and the water-packing plate 3 is horizontally arranged on the side walls of the branch sewage pipe 14 and the main sewage pipe 15 in the drop chamber 11.
As shown in fig. 1 and 2, the drainage plates 31 are arranged on two sides of the water-cushion plate 3, the drainage plates 31 are arranged obliquely, the oblique highest end of the drainage plate 31 is connected with the plate edge of the drainage plate 31, and the oblique lowest end extends to the side far away from the water-cushion plate 3; the main sewage pipe 15 is located right below the water cushion plate 3, and the diameter of the main sewage pipe 15 is smaller than the horizontal width formed by the drainage plate 31 and the water cushion plate 3. And the water blocking edge 32 is arranged at the end of the side wall of the water dropping chamber 11, which is far away from the water dropping plate 3 and the drainage plate 31.
When the sewage branch pipes 14 and one section of the sewage main pipe 15 are both positioned in the drop chamber 11, a maintenance worker can maintain the sewage branch pipes 14 and one section of the sewage main pipe 15 positioned in the drop chamber 11 in the well body 1; the water cushion plate 3 can prevent the high-fall water flow from excessively scouring the main sewage pipe 15; moreover, when a section of the sewage branch pipe 14 located in the water drop chamber 11 leaks, water directly flows onto the water cushion plate 3, and then flows onto the drainage plate 31 from the water cushion plate 3, and the drainage plate 31 is obliquely arranged, so that the water flows down along the plate surface of the drainage plate 31; and because the main sewage pipe 15 is positioned under the water-stop plate 3, the sewage flowing down from the branch sewage pipes 14 cannot directly contact with the main sewage pipe 15, and further the corrosion of the sewage on the surface of the main sewage pipe 15 is prevented to a certain extent, so that the water-stop effect is achieved.
As shown in fig. 1 and 2, a filter screen plate 4 is arranged in the drop chamber 11, the filter screen plate 4 is obliquely arranged in the drop chamber 11, the filter screen plate 4 is positioned right above the water-cushion plate 3, and the filter screen plate 4 is positioned between the sewage branch pipe 14 and the sewage main pipe 15. The inclined highest end of the filter screen plate 4 is connected with the inner wall of the water drop chamber 11, the inclined lowest end is connected with the plate surface of the partition plate 13, the partition plate 13 is provided with a slag outlet 131, and the inclined lowest end of the filter screen plate 4 is level with the lower end of the slag outlet 131. The maintenance platform 7 is provided with a dustbin 5 with an upper end opening, the dustbin 5 is positioned below the slag hole 131, the upper end openings of the dustbin 5 are respectively provided with an inclined coaming 51, the inclined lowest end of the inclined coaming 51 is connected with the opening edge of the dustbin 5, the inclined highest end of the inclined coaming 51 extends to the side far away from the dustbin 5, and the dustbin 5 is close to the surface of the partition plate 13, so that the upper end opening of the dustbin 5 is only provided with three inclined coamings 51; the inner side wall of the water drop chamber 11 is provided with a slag pushing assembly 6, and the slag pushing assembly 6 is used for pushing garbage on the filter screen plate 4 into the garbage can 5 through a slag outlet 131.
As shown in fig. 1 and 2, the slag pushing assembly 6 includes a cylinder 61 and a slag pushing plate 62, a containing cavity is provided on the inner side wall of the drop chamber 11, the cylinder 61 is disposed in the containing cavity, the extending direction of the piston rod of the cylinder 61 is parallel to the surface of the filter screen plate 4, the slag pushing plate 62 is disposed on the piston rod of the cylinder 61, one side of the slag pushing plate 62 is attached to the surface of the filter screen plate 4, and the length of the slag pushing plate 62 is the same as that of the slag outlet 131.
When the sewage branch pipe 14 leaks, a lot of garbage impurities may be mixed in the sewage, and the filtering screen plate 4 stops the garbage impurities, so that the sewage can continuously flow onto the water-cushion plate 3 through the filtering screen plate 4; when excessive garbage impurities are accumulated on the filter screen plate 4, the cylinder 61 is started, a piston rod of the cylinder 61 extends out, at the moment, the slag pushing plate 62 on the piston rod of the cylinder 61 pushes towards the side close to the partition plate 13 along the inclined surface of the filter screen plate 4, so that the garbage impurities accumulated on the filter screen plate 4 are pushed to the slag outlet 131 side, finally, the garbage impurities on the filter screen plate 4 are pushed to the other side of the partition plate 13 through the slag outlet 131, the garbage can vertically fall under the action of gravity, and the garbage can directly fall into the garbage can 5 because the garbage can 5 is positioned below the slag outlet 131. And, the setting of slope bounding wall 51 has increased the entry area of dustbin 5 for rubbish is changeed and is fallen into dustbin 5 from slag notch 131 in, thereby avoids rubbish to a certain extent to receive to cross the condition emergence that dustbin 5 fell to maintenance platform 7 behind the thrust of pushing away slag plate 62.
As shown in fig. 1 and 2, the maintenance platform 7 is provided with an enclosure frame 71, the enclosure frame 71 is used for accommodating the dustbin 5, the enclosure frame 71 is substantially a rectangular frame body, and the dustbin 5 is also rectangular; the side wall of the surrounding frame 71 is provided with a fastening bolt 711, and the fastening bolt 711 is used for fastening the dustbin 5 in the surrounding frame 71. The dustbin 5 can be positioned on the maintenance platform 7 by the enclosing frame 71, and the dustbin 5 can be fixed in the enclosing frame 71 by the abutting bolts 711, so that the dustbin 5 is not prone to shaking when rubbish falls into the dustbin 5.
The implementation principle of the inspection well for laying the sewage pipe in the utility tunnel is as follows: when a maintenance person maintains the sewage pipe in the pipe gallery, the maintenance person can directly go down into the well from the well mouth of the well body 1 through the ladder stand 2, and can directly transfer the sewage pipe from the ladder stand 2 to the maintenance platform 7 when going down to the position, close to the maintenance platform 7, on the ladder stand 2, the maintenance person is provided with a space for arranging tools, and the sewage pipe can be checked and maintained on the maintenance platform 7; after the overhaul is finished, the sewage pipe can be transferred to the crawling ladder 2 from the overhaul platform 7 again, then the well body 1 is moved out of the crawling ladder 2, and then the effect that maintenance personnel can conveniently enter a pipe gallery to maintain the sewage pipe is achieved. When the sewage branch pipe 14 leaks, the sewage branch pipe 14 is firstly blocked by maintenance personnel, then the air cylinder 61 is started, residual garbage impurities on the filter screen plate 4 are pushed into the garbage can 5, then the fastening bolt 711 is loosened, the maintenance personnel can climb out of the ladder stand 2 together with the garbage can 5, the garbage in the garbage can 5 is treated, the garbage can 5 is cleaned, and then the garbage can 5 is put down on the maintenance platform 7 to return the garbage can 5 to the original position, namely the inside of the enclosure frame 71. It is worth noting that the inspection well can be arranged in a pipe gallery or outside the pipe gallery according to the relative position of a sewage pipeline in the gallery and the boundary condition of the space inside and outside the gallery; when setting up outside the corridor, set up pressure type tee bend well in the corridor and link up the corridor outside. The concrete form can be adjusted according to the pipe gallery structure and the concrete boundary condition in a certain form, but the inspection wells with double spaces of the drop water chamber 11 and the overhaul chamber 12 are all needed, so that the main technical problem of sewage entering the gallery can be met.
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 (8)

1. The utility model provides an inspection shaft that is used for laying sewage pipe in utility tunnel which characterized in that: including the well body (1), the well body (1) is including drop hydroecium (11) and maintenance room (12), drop hydroecium (11) is linked together with sewage branch pipe (14) of predetermineeing in the utility tunnel, maintenance room (12) are located well body (1) well head under, be located vertical cat ladder (2) that are provided with on the lateral wall of maintenance room (12) in the well body (1), be provided with between drop hydroecium (11) and maintenance room (12) division board (13), one side that is close to maintenance room (12) on division board (13) is provided with maintenance platform (7).
2. An inspection well for sewer laying in a utility tunnel according to claim 1, wherein: sewage branch pipe (14) are linked together with the position that drop hydroecium (11) are close to the top, drop hydroecium (11) are responsible for (15) with the sewage of predetermineeing in the utility tunnel and are also linked together, sewage is responsible for (15) and is linked together with the position that drop hydroecium (11) are close to the bottom, it is provided with board of packing (3) to lie in sewage branch pipe (14) and the sewage lateral wall upper level that is responsible for (15) in drop hydroecium (11).
3. An inspection well for sewer laying in a utility tunnel according to claim 2, wherein: the both sides of packing up water board (3) are provided with drainage plate (31), drainage plate (31) slope sets up, the slope top of drainage plate (31) is connected, the slope low end extends to keeping away from packing up water board (3) side with the flange edge of drainage plate (31), sewage is responsible for (15) and is located packing up water board (3) under, and the diameter that sewage was responsible for (15) is less than the horizontal width that drainage plate (31) and packing up water board (3) formed.
4. An inspection well for sewer laying in a utility tunnel according to claim 3, wherein: and the water filling plate (3) and the drainage plate (31) are provided with water blocking edges (32) at the ends of the side walls far away from the water dropping chamber (11).
5. An inspection well for sewer laying in a utility tunnel according to claim 3, wherein: a filter screen plate (4) is arranged in the water drop chamber (11), the filter screen plate (4) is obliquely arranged in the water drop chamber (11) and is positioned between the sewage branch pipe (14) and the sewage main pipe (15), the highest inclined end of the filter screen plate (4) is connected with the inner wall of the water dropping chamber (11), the lowest inclined end is connected with the plate surface of the partition plate (13), a slag outlet (131) is arranged on the partition plate (13), the lowest inclined end of the filter screen plate (4) is level with the lower end of the slag outlet (131), the maintenance platform (7) is provided with a dustbin (5) with an upper end opening, the dustbin (5) is positioned below the slag outlet (131), be provided with on the inside wall of drop hydroecium (11) and push away sediment subassembly (6), it is used for pushing into dustbin (5) through slag notch (131) to push away sediment subassembly (6) with being in rubbish on filter plate (4).
6. An inspection well for sewer laying in a utility tunnel according to claim 5, wherein: push away sediment subassembly (6) and include cylinder (61) and push away slag plate (62), seted up on the inside wall of drop hydroecium (11) and held the chamber, cylinder (61) set up hold the intracavity, the extending direction of the piston rod of cylinder (61) parallels with the face of filter plate (4), it sets up on the piston rod of cylinder (61) to push away slag plate (62), just it laminates mutually with the face of filter plate (4) on one side of slag plate (62), the length that pushes away slag plate (62) is the same with the length of slag notch (131).
7. An inspection well for sewer laying in a utility tunnel according to claim 5, wherein: the garbage can maintenance platform is characterized in that an enclosing frame (71) is arranged on the maintenance platform (7), the enclosing frame (71) is used for placing a garbage can (5), a fastening bolt (711) is arranged on the side wall of the enclosing frame (71), and the fastening bolt (711) is used for fastening the garbage can (5) in the enclosing frame (71).
8. An inspection well for sewer laying in a utility tunnel according to claim 7, wherein: the dustbin is characterized in that an inclined enclosing plate (51) is arranged at the opening of the upper end of the dustbin (5), the inclined lowest end of the inclined enclosing plate (51) is connected with the opening edge of the dustbin (5), and the inclined highest end of the inclined enclosing plate (51) extends towards the side far away from the dustbin (5).
CN202022559267.8U 2020-11-06 2020-11-06 A inspection shaft that is used for laying sewage pipe in utility tunnel Active CN214005906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022559267.8U CN214005906U (en) 2020-11-06 2020-11-06 A inspection shaft that is used for laying sewage pipe in utility tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022559267.8U CN214005906U (en) 2020-11-06 2020-11-06 A inspection shaft that is used for laying sewage pipe in utility tunnel

Publications (1)

Publication Number Publication Date
CN214005906U true CN214005906U (en) 2021-08-20

Family

ID=77303476

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022559267.8U Active CN214005906U (en) 2020-11-06 2020-11-06 A inspection shaft that is used for laying sewage pipe in utility tunnel

Country Status (1)

Country Link
CN (1) CN214005906U (en)

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Address after: 610218 annex ol-05-202105010, No. 2828, Shuzhou Road, Zhengxing street, Tianfu new area, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan

Patentee after: Chengdu Municipal Engineering Design and Research Institute Co.,Ltd.

Address before: No.21, Wufu Street, Chengdu, Sichuan 610015

Patentee before: CHENGDU MUNICIPAL ENGINEERING AND RESEARCH DESIGN INSTITUTE