CN108824559B - Prefabricated safety inspection well for double-inspection-port fire-fighting pipeline - Google Patents
Prefabricated safety inspection well for double-inspection-port fire-fighting pipeline Download PDFInfo
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- CN108824559B CN108824559B CN201811058221.9A CN201811058221A CN108824559B CN 108824559 B CN108824559 B CN 108824559B CN 201811058221 A CN201811058221 A CN 201811058221A CN 108824559 B CN108824559 B CN 108824559B
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- 238000007689 inspection Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims description 42
- 238000005266 casting Methods 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 239000011241 protective layer Substances 0.000 claims description 19
- 230000007797 corrosion Effects 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 13
- 230000009194 climbing Effects 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 claims description 4
- 239000000370 acceptor Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/08—Underground hydrants
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/08—Underground hydrants
- E03B9/10—Protective plates or covers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a prefabricated safety inspection well for a double-inspection-port fire-fighting pipeline, which comprises a closed rectangular accommodating well body, wherein a well cover is covered at the top of the well body, the well cover is in sealing connection with the side wall of the well body, a first manhole and a second manhole are arranged on the well cover, the first cover and the second cover are respectively covered on the first manhole and the second manhole, a first sealing component for installing a water inlet pipeline is arranged in the side wall of the well body, the first sealing component comprises a fixing piece, a movable piece and a sealing piece, the fixing piece comprises a sleeve and a wing plate, and the two accommodating cavity structures are adopted.
Description
Technical Field
The invention relates to the technical field of inspection wells, in particular to a prefabricated safety inspection well for a double-inspection-port fire-fighting pipeline.
Background
With the development of urban construction and industry, various fire hydrants are all arranged underground, and in order to prevent the erosion of overground and underground water, the fire hydrants are generally covered with a shell, namely a fire well, so that the daily inspection and maintenance of the fire hydrants are convenient.
The existing fire-fighting well has at least two serious defects, firstly, the existing fire-fighting well is usually built in a bricked mode to form a sealed space, however, the bricked pipeline well cannot be sealed, the invasion of underground ground water cannot be completely prevented, corrosion and water seepage are easy, the heat preservation effect is poor, the daily inspection and maintenance of the fire hydrant are not easy, the service cycle is short, and the cost is high; secondly, the existing fire-fighting well is a closed cavity, a control valve for controlling boiled water and closing water is arranged in the cavity, and an interface for being in butt joint with an external water hose is also arranged in the cavity, so that potential safety hazards exist in the structure, because the external water hose is often in a portable quick-plug structure when being in butt joint with the interface, the problem of water leakage exists in use, after the external crisis condition is relieved, an operator needs to return to the well again to close the control valve, and at the moment, the problem is that the well is filled with water, and the operator cannot enter the interior; in addition, because the joint adopts a quick-plug mode, when the control valve is boiled water, the water band and the joint are flushed due to the fact that the water pressure is large and the joint is impacted, the water is quickly filled in the well at the moment, and therefore life hazards are easily caused to personnel operating in the well.
Disclosure of Invention
It is necessary to provide a prefabricated safety inspection well with double inspection ports and fire control pipelines.
The utility model provides a prefabricated safety inspection well of two inspection ports fire control pipeline, including the confined rectangle acceptd well body, set up the fire control in the well body inside and use the inlet channel, the one end of inlet channel leaks outside the well body, in order to be connected with outside water supply system, the other end sets up the fire hydrant, still set up the valve in the front end of fire hydrant, close the well lid at the top of well body, sealing connection between well lid and the well body lateral wall, set up first manhole and second manhole on the well lid, close first closing cap and second closing cap respectively on first manhole and second manhole, one side that first manhole is close to the well lid sets up, be used for personnel to get into the inside operating valve of well body, the second manhole sets up directly over the fire hydrant, be used for personnel to open the second manhole and operate and be connected between hosepipe and the fire hydrant, still set up the first sealing component that is used for installing the inlet channel in the lateral wall of well body, the first sealing component comprises a fixing piece, a movable piece and a sealing piece, wherein the fixing piece comprises a sleeve and a wing plate, the sleeve is a hollow cylinder body with two open ends, the wing plate is a flat plate fixed on the outer wall of the sleeve, the edge of the wing plate extends towards the inside of the side wall of the well body so that the wing plate is embedded into the inside of the side wall of the well body, the middle opening of the wing plate is provided with an opening, the edge of the middle opening of the wing plate extends towards the inside of the sleeve to form an annular flange, the inner diameter of the annular flange is smaller than the inner diameter of the sleeve, the inner diameter of the annular flange is larger than the outer diameter of a water inlet pipeline, the inner port of the sleeve is exposed to the inner side of the side wall, the inner port of the sleeve is provided with a flange, the movable piece comprises a locking annular plate, a tightly pushing inner cylinder and a locking rod, the tightly pushing inner cylinder is inserted into the sleeve, the locking annular plate is in butt joint with the flange at the inner port of the sleeve, the locking rod is connected between the flange and the locking annular plate, the sealing element is a flexible annular ring, is arranged on the outer wall of the water inlet pipeline between the jacking inner cylinder and the adjusting sleeve, is close to the annular flange of the sleeve, and seals the annular flange with the outer wall of the water inlet pipeline through the sealing element.
Preferably, the sleeve of the fixing piece is a reducing cylinder, and the inner diameter of the sleeve is gradually reduced from inside to outside.
Preferably, the front end face of the jacking inner cylinder is an inclined plane.
Preferably, a step groove is formed in the side wall, opposite to the front end of the jacking inner cylinder, of the annular flange.
Preferably, still set up operation panel, sump pit, supporting seat in the closed accommodation body inside, the operation panel is protruding upwards to be higher than the height of well body bottom, the sump pit is undercut, with being less than the height of well body bottom, the bottom of supporting seat is placed on the well body bottom upper surface, and the top of supporting seat is used for supporting the valve, still sets up the climbing ladder on the inner wall of the well body, and the climbing ladder sets up the corner at the well body, so that personnel get into the well body from first person hole.
Preferably, the supporting seat is a strip-shaped seat, the lower section area of the supporting seat is larger than the upper section area, and a weight-reducing arch hole is arranged at the lower part of the supporting seat.
Preferably, the lateral wall of the well body comprises a casting body, a reinforcement body preset in the casting body and a protective layer wrapped on the outer wall of the casting body, wherein the casting body is a concrete casting layer, the reinforcement body is a reinforcement mesh layer embedded in the casting body so as to strengthen the strength of the prefabricated valve well, a wing plate of the fixing piece is connected with the reinforcement mesh layer, the reinforcement mesh layer comprises a longitudinal mesh and transverse connection sections arranged on two sides of the longitudinal mesh, one end of each transverse connection section extends in a direction away from the longitudinal mesh so as to increase the bonding strength of the reinforcement mesh layer and the casting body, the protective layer is a corrosion-resistant layer, and a convex body extending towards the inner part of the casting body is arranged on the inner wall of the corrosion-resistant layer so as to increase the bonding strength of the protective layer and the casting body.
Preferably, the well body comprises a first accommodating body and a second accommodating body, the first accommodating body and the second accommodating body are closed cavities, the first accommodating body and the second accommodating body are relatively isolated through a partition wall, a hole for a water inlet pipeline to pass through is formed in the partition wall, a control valve for accommodating the water inlet pipeline is arranged in the first accommodating body, a fire hydrant is arranged in the second accommodating body, and a sealing assembly for isolating external sewage from the inside of the accommodating body is arranged in a side wall of the first accommodating body and in the partition wall.
Preferably, the side wall of the first accommodating body and the second accommodating body comprises a casting body, a reinforcing body preset in the casting body and a protective layer wrapped on the outer wall of the casting body, the casting body is a concrete casting layer, the reinforcing body is a reinforcing mesh layer embedded in the casting body so as to strengthen the strength of the prefabricated valve well, a wing plate of the fixing piece is connected with the reinforcing mesh layer, the reinforcing mesh layer comprises a longitudinal mesh and transverse connection sections arranged on two sides of the longitudinal mesh, one end of each transverse connection section extends in a direction far away from the longitudinal mesh so as to increase the bonding strength of the reinforcing mesh layer and the casting body, the protective layer is a corrosion-resistant layer, and a convex body extending towards the inner part of the casting body is arranged on the inner wall of the corrosion-resistant layer so as to increase the bonding strength of the protective layer and the casting body.
Preferably, a second seal assembly is also disposed within the aperture of the partition wall to isolate the first receptacle from the second receptacle.
In the invention, the prefabricated inspection well is adopted, so that the construction difficulty is reduced, the construction period is shortened, and the strength of the inspection well meets the standard requirement; in addition, in order to prevent external sewage from penetrating into the well, a first sealing component and a second sealing component are respectively arranged on the side wall, a tight pushing inner cylinder and a sealing piece are arranged in the sealing components, and the sealing piece is tightly pushed by the tight pushing inner cylinder, so that the sealing effect is achieved when a water pipe connected with the water meter passes through the through hole; in addition, tight inner tube in top is demountable installation, and after long-time use, the sealing member has ageing phenomenon, and sealed effect descends, can strengthen sealed effect through the mode of changing or increasing the sealing washer, avoids sewage to stretch into in the well from the reducing through-hole.
The invention also adopts a double-accommodating cavity structure, and the control valve and the interface are arranged separately, so that a person operating the control valve and the interface are arranged in two cavities, and even if the interface and the water hose are flushed away, the second accommodating cavity is filled, and the first cavity where the person is positioned is safe.
Drawings
FIG. 1 is a schematic structural view of a dual-port fire-fighting pipeline prefabricated safety manhole.
Fig. 2 is a schematic diagram of the internal structure of a double-inspection-port fire-fighting pipeline prefabricated safety inspection well.
Fig. 3 is a front view of fig. 2.
Fig. 4 is an enlarged partial view of the first seal assembly.
Fig. 5 is an exploded view of the first seal assembly.
FIG. 6 is another preferred embodiment of the first seal assembly of FIG. 5.
FIG. 7 is a schematic view of another preferred embodiment of a prefabricated safety inspection well for a dual-port fire tube.
In the figure: the fire fighting pipeline safety inspection well comprises a first accommodating body 10, a sleeve 11, a flange 111, a wing plate 12, an annular flange 121, a stepped groove 122, a locking annular plate 13, a jacking inner cylinder 14, an inclined plane 141, a locking rod 15, a sealing element 16, a casting body 17, a reinforcing body 18, a longitudinal net 181, a transverse connecting section 182, a protective layer 19, a convex body 191, a second accommodating body 20, a partition wall 30, a second sealing assembly 31, a double inspection opening fire fighting pipeline prefabricated safety inspection well 100, a well cover 101, a first sealing cover 102, a second sealing cover 103, a water inlet pipeline 200, a fire hydrant 201 and a valve 202.
Detailed Description
Referring to fig. 1 to 6, an embodiment of the present invention provides a double-inspection-port fire-fighting pipe prefabricated safety inspection well 100, comprising a closed rectangular receiving well body, a fire-fighting water inlet pipe 200 is provided inside the well body, one end of the water inlet pipe 200 leaks outside the well body to be connected with an external water supply system, the other end is provided with a fire hydrant 201, a valve 202 is provided at the front end of the fire hydrant 201, a well lid 101 is covered at the top of the well body, the well lid 101 is in sealing connection with the side wall of the well body, a first manhole and a second manhole are provided on the well lid 101, a first sealing cover 102 and a second sealing cover 103 are respectively covered on the first manhole and the second manhole, one side of the first manhole close to the well lid 101 is provided for personnel to enter the well body to operate the valve 202, the second manhole is provided right above the fire hydrant 201 for personnel to open the second manhole to operate the connection between the water hose and the fire hydrant 201, a first sealing component for installing the water inlet pipeline 200 is arranged in the side wall of the well body, the first sealing component comprises a fixing piece, a movable piece and a sealing piece 16, the fixing piece comprises a sleeve 11 and a wing plate 12, the sleeve 11 is a hollow cylinder body with two open ends, the wing plate 12 is a flat plate fixed on the outer wall of the sleeve 11, the edge of the wing plate 12 extends towards the inside of the side wall of the well body so that the wing plate 12 is embedded into the side wall of the well body, the middle opening of the wing plate 12 is opened, the edge of the middle opening of the wing plate 12 extends towards the inside of the sleeve 11 to form an annular flange 121, the inner diameter of the annular flange 121 is smaller than the inner diameter of the sleeve 11, the inner diameter of the annular flange 121 is larger than the outer diameter of the water inlet pipeline 200, the inner port of the sleeve 11 is exposed to the inner side wall, the inner port of the sleeve 11 is provided with a flange 111, the movable piece comprises a locking annular plate 13 and a pushing inner cylinder 14, the locking rod 15, the tight inner tube 14 of top inserts the inside to sleeve 11, locking annular plate 13 and sleeve 11 inside port department's flange 111 butt joint, locking rod 15 is connected between flange 111 and locking annular plate 13 to push the tight inner tube 14 of top to sleeve 11 to be close to through the mode of adjusting locking rod 15, sealing member 16 is flexible annular circle, and sealing member 16 sets up on the inlet channel 200 outer wall between tight inner tube 14 of top and the adjusting sleeve 11, and sealing member 16 sets up near sleeve 11's annular flange 121, in order to seal between annular flange 121 and the inlet channel 200 outer wall through sealing member 16.
Further, the sleeve 11 of the fixing piece is a reducing cylinder, and the inner diameter of the sleeve 11 is gradually reduced from inside to outside.
The sleeve 11 is arranged to be a reducing hole, when the flexible sealing element 16 is plugged, the flexible sealing element 16 deforms along with the inclined plane of the inner wall of the reducing sleeve 11, so that the contact area between the flexible sealing element 16 and the inner wall of the sleeve 11 is increased, the deformation of the flexible sealing element is extruded to the greatest extent when the flexible sealing element is plugged, the flexible sealing element is more compact after the flexible sealing element is plugged, and sewage is prevented from penetrating into a well from the reducing through hole.
Further, the front end surface of the inner cylinder 14 is a slope 141.
Further, a step groove 122 is formed in a side wall of the annular flange 121 opposite to the front end of the jack inner cylinder 14.
Further, still set up operation panel, sump pit, supporting seat in the inside of closing the acceptors, the operation panel is protruding upwards to be higher than the height of well body bottom, the sump pit undercut, with being less than the height of well body bottom, the bottom of supporting seat is placed on the well body bottom upper surface, and the top of supporting seat is used for supporting valve 202, still sets up the climbing ladder on the inner wall of the well body, and the climbing ladder sets up the corner at the well body, so that personnel get into the well body from first person hole.
Further, the supporting seat is a strip-shaped seat, the lower section area of the supporting seat is larger than the upper section area, and a weight-reducing arch hole is formed in the lower portion of the supporting seat.
Further, the lateral wall of the well body includes the pouring body 17, presets in the inside reinforcement 18 of pouring body 17, parcel at the protective layer 19 of pouring body 17 outer wall, the pouring body 17 is concrete casting layer, the reinforcement 18 is the reinforcing bar net layer of pre-buried in pouring body 17 inside to strengthen the intensity of prefabricated valve 202 well, the pterygoid lamina 12 and the reinforcing bar net layer of mounting are connected, and the reinforcing bar net layer includes vertical net 181 and sets up in the transverse connection section 182 of vertical net 181 both sides, and the one end of transverse connection section 182 extends to the direction of keeping away from vertical net 181, in order to increase the bonding strength of reinforcing bar net layer and pouring body 17, protective layer 19 is corrosion-resistant layer, sets up the convex body 191 that extends to pouring body 17 inside on the inner wall of corrosion-resistant layer, in order to increase the bonding strength of protective layer 19 and pouring body 17.
Referring to fig. 7, the well body further includes a first accommodating body 10 and a second accommodating body 20, the first accommodating body 10 and the second accommodating body 20 are closed cavities, the first accommodating body 10 and the second accommodating body 20 are relatively isolated by a partition wall 30, a hole for passing through a water inlet pipeline 200 is formed in the partition wall 30, a control valve 202 for accommodating the water inlet pipeline 200 is arranged in the first accommodating body 10, a fire hydrant 201 is arranged in the second accommodating body 20, and a sealing assembly for isolating external sewage from the interior of the accommodating body is arranged in a side wall of the first accommodating body 10 and in the partition wall 30.
Further, the side walls of the first accommodating body 10 and the second accommodating body 20 comprise a casting body 17, a reinforcing body 18 preset in the casting body 17 and a protective layer 19 wrapped on the outer wall of the casting body 17, the casting body 17 is a concrete casting layer, the reinforcing body 18 is a reinforcing mesh layer pre-embedded in the casting body 17 so as to strengthen the strength of a prefabricated valve 202 well, the wing plate 12 of the fixing piece is connected with the reinforcing mesh layer, the reinforcing mesh layer comprises a longitudinal mesh 181 and transverse connecting sections 182 arranged on two sides of the longitudinal mesh 181, one end of each transverse connecting section 182 extends in a direction away from the longitudinal mesh 181 so as to increase the bonding strength of the reinforcing mesh layer and the casting body 17, the protective layer 19 is a corrosion-resistant layer, and a convex body 191 extending towards the inside of the casting body 17 is arranged on the inner wall of the corrosion-resistant layer so as to increase the bonding strength of the protective layer 19 and the casting body 17.
Further, a second sealing member 31 is also provided in the hole of the partition wall 30 to isolate the first container 10 from the second container 20.
The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a prefabricated safety inspection shaft of two inspection ports fire control pipeline which characterized in that: comprises a closed rectangular containing well body, a fire-fighting water inlet pipeline is arranged in the well body, one end of the water inlet pipeline leaks outside the well body to be connected with an external water supply system, the other end of the water inlet pipeline is provided with a fire hydrant, the front end of the fire hydrant is provided with a valve, the top of the well body is covered with a well cover, the well cover is in sealing connection with the side wall of the well body, a first manhole and a second manhole are arranged on the well cover, the first manhole and the second manhole are respectively covered with a first sealing cover and a second sealing cover, one side of the first manhole, which is close to the well cover, is used for people to enter the well body to operate the valve, the second manhole is arranged right above the fire hydrant and is used for people to open the connection between the second manhole operation water belt and the fire hydrant, a first sealing component used for installing the water inlet pipeline is arranged in the side wall of the well body, the first sealing component comprises a fixing piece, a moving piece and a sealing piece, the fixing piece comprises a sleeve and a wing plate, wherein the sleeve is a hollow cylinder with two open ends, the wing plate is a flat plate fixed on the outer wall of the sleeve, the edge of the wing plate extends to the inside of the side wall of the well body so that the wing plate is embedded into the side wall of the well body, the middle of the wing plate is opened, the edge of the middle opening of the wing plate extends to the inside of the sleeve to form an annular flange, the inner diameter of the annular flange is smaller than the inner diameter of the sleeve, the inner diameter of the annular flange is larger than the outer diameter of a water inlet pipeline, the inner port of the sleeve is exposed to the inner side of the side wall, the inner port of the sleeve is provided with a flange, the movable piece comprises a locking annular plate, a tightening inner cylinder and a locking rod, the tightening inner cylinder is inserted into the sleeve, the locking annular plate is in butt joint with the flange at the inner port of the sleeve, the locking rod is connected between the flange and the locking annular plate so as to push the tightening inner cylinder to the sleeve in a mode of adjusting the locking rod, the sealing element is a flexible annular ring and is arranged on the outer wall of the water inlet pipeline between the jacking inner cylinder and the adjusting sleeve, and the sealing element is arranged close to the annular flange of the sleeve so as to seal the annular flange and the outer wall of the water inlet pipeline through the sealing element; the sleeve of the fixing piece is a reducing cylinder, and the inner diameter of the sleeve is gradually reduced from inside to outside; the well body comprises a first accommodating body and a second accommodating body, the first accommodating body and the second accommodating body are closed cavities, the first accommodating body and the second accommodating body are relatively isolated through a partition wall, a hole for a water inlet pipeline to pass through is formed in the partition wall, a control valve for accommodating the water inlet pipeline is arranged in the first accommodating body, a fire hydrant is arranged in the second accommodating body, and a sealing assembly for isolating external sewage from the interior of the accommodating body is arranged in a side wall of the first accommodating body and in the partition wall.
2. The dual-port fire tube prefabricated safety manhole as claimed in claim 1, wherein: the front end face of the jacking inner cylinder is an inclined plane.
3. The dual-port fire tube prefabricated safety manhole as claimed in claim 1, wherein: the side wall of the annular flange opposite to the front end of the jacking inner cylinder is provided with a step groove.
4. The dual-port fire tube prefabricated safety manhole as claimed in claim 1, wherein: still set up operation panel, sump pit, supporting seat in the inside of closing the acceptors, the operation panel is protruding upwards to be higher than the height of well body bottom, the sump pit is sunken downwards, with being less than the height of well body bottom, the bottom of supporting seat is placed on the well body bottom upper surface, and the top of supporting seat is used for supporting the valve, still sets up climbing ladder on the inner wall of well body, and climbing ladder sets up the corner at the well body, so that personnel get into the well body from first personnel hole.
5. The dual-port fire tube prefabricated safety manhole as claimed in claim 1, wherein: the supporting seat is a strip-shaped seat, the lower section area of the supporting seat is larger than the upper section area, and a weight-reducing arch hole is arranged at the lower part of the supporting seat.
6. The dual-port fire tube prefabricated safety manhole as claimed in claim 1, wherein: the lateral wall of the well body includes the pouring body, presets in the internal reinforcing body of pouring, parcel at the protective layer of pouring body outer wall, the pouring body is concrete casting layer, the reinforcing body is pre-buried at the internal reinforcing bar net layer of pouring to strengthen the intensity of prefabricated valve well, the pterygoid lamina and the reinforcing bar net layer of mounting are connected, and the reinforcing bar net layer includes longitudinal net and sets up in the transverse connection section of longitudinal net both sides, and the one end of transverse connection section extends to the direction of keeping away from longitudinal net, in order to increase the joint strength of reinforcing bar net layer and pouring body, the protective layer is corrosion-resistant layer, sets up the convex body that extends to pouring body inside on the inner wall of corrosion-resistant layer in order to increase the joint strength of protective layer and pouring body.
7. The dual-port fire tube prefabricated safety manhole as claimed in claim 1, wherein: the side wall of the first accommodating body and the side wall of the second accommodating body comprise a casting body, a reinforcing body preset in the casting body and a protective layer wrapped on the outer wall of the casting body, the casting body is a concrete casting layer, the reinforcing body is a reinforcing mesh layer embedded in the casting body so as to strengthen the strength of a prefabricated valve well, a wing plate of the fixing piece is connected with the reinforcing mesh layer, the reinforcing mesh layer comprises a longitudinal net and transverse connection sections arranged on two sides of the longitudinal net, one end of each transverse connection section extends in a direction away from the longitudinal net so as to increase the bonding strength of the reinforcing mesh layer and the casting body, the protective layer is a corrosion-resistant layer, and a convex body extending towards the inner part of the casting body is arranged on the inner wall of the corrosion-resistant layer so as to increase the bonding strength of the protective layer and the casting body.
8. The dual-port fire tube prefabricated safety manhole of claim 7, wherein: and a second sealing assembly is also arranged in the hole of the partition wall so as to isolate the first accommodating body from the second accommodating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058221.9A CN108824559B (en) | 2018-09-11 | 2018-09-11 | Prefabricated safety inspection well for double-inspection-port fire-fighting pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811058221.9A CN108824559B (en) | 2018-09-11 | 2018-09-11 | Prefabricated safety inspection well for double-inspection-port fire-fighting pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108824559A CN108824559A (en) | 2018-11-16 |
| CN108824559B true CN108824559B (en) | 2023-12-01 |
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| CN201811058221.9A Active CN108824559B (en) | 2018-09-11 | 2018-09-11 | Prefabricated safety inspection well for double-inspection-port fire-fighting pipeline |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541434B (en) * | 2019-08-22 | 2024-02-06 | 宁夏宸宇建筑科技有限公司 | Antifreezing fire well suitable for cold areas or environments |
| CN110440050B (en) * | 2019-08-22 | 2024-02-06 | 宁夏宸宇建筑科技有限公司 | Internal and external dual-purpose open type pipeline inspection well |
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| CN201099864Y (en) * | 2007-09-28 | 2008-08-13 | 四川天鑫塑胶管业有限公司 | Plastic valve manhole |
| CN202850106U (en) * | 2012-09-28 | 2013-04-03 | 国家电网公司 | Underground fire hydrant quick opening tool |
| CN203429703U (en) * | 2013-07-10 | 2014-02-12 | 中国石油集团安全环保技术研究院 | Steel fire fighting well |
| CN105169590A (en) * | 2015-09-07 | 2015-12-23 | 苏州久港消防设备有限公司 | Portable fire extinguisher with explosion venting opening |
| CN207331850U (en) * | 2017-09-12 | 2018-05-08 | 曲靖市荣科机械科技有限公司 | Fire hydrant emergency leakage blocking device is used in a kind of municipal administration |
| CN208815614U (en) * | 2018-09-11 | 2019-05-03 | 宁夏宸宇建筑科技有限公司 | Double prefabricated safety manholes of inspection socket fire protection pipeline |
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|---|---|
| CN108824559A (en) | 2018-11-16 |
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