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CN-224200001-U - Safe and reliable's water delivery engineering drain valve examines workover structure and supporting building thereof

CN224200001UCN 224200001 UCN224200001 UCN 224200001UCN-224200001-U

Abstract

The utility model provides a safe and reliable water delivery engineering drain valve inspection well structure which is arranged on one side of a water delivery pipeline, a branch pipe of a drain tee of the water delivery pipeline is provided with a drain valve, the inspection well structure comprises a dry room shaft and a wet room shaft which are arranged side by side, the branch pipe passes through the dry room shaft in a sealing way, a water outlet of the branch pipe is led into the wet room shaft, the drain valve is arranged in a section of the branch pipe, which is positioned in the dry room shaft, the top of the dry room shaft is provided with an inspection ventilation opening, an emergency flood outlet and an overflow outlet, the inspection ventilation opening, the emergency flood outlet and the overflow outlet are sequentially arranged from high to low according to the horizontal height, and the overflow outlet is communicated with the outside through an overflow pipeline.

Inventors

  • Me Zhendong
  • LI ZHIQIANG
  • CHEN GUANGZHOU
  • WU HEXING
  • ZHANG SHIWEN
  • WANG LERAN
  • YUE SHENG
  • Mai Shufeng
  • HUANG YAN
  • SUN HONGJUAN

Assignees

  • 广东省水利电力勘测设计研究院股份有限公司

Dates

Publication Date
20260505
Application Date
20250530

Claims (17)

  1. 1. The utility model provides a safe and reliable's water delivery engineering drain valve inspection well structure, set up in the conduit (100) one side of water delivery engineering, the branch pipe (200) of the drainage tee bend of conduit (100) is equipped with drain valve (300), this water delivery engineering drain valve inspection well structure includes dry room shaft (1) and wet room shaft (2) that set up side by side, dry room shaft (1) and wet room shaft (2) are concrete structure, branch pipe (200) seal pass dry room shaft (1) and the delivery port of this branch pipe (200) lets in wet room shaft (2), drain valve (300) set up in the one section of being located in dry room shaft (1) of branch pipe (200), the top of dry room shaft (1) is equipped with maintenance ventilation opening (11), its characterized in that, wet room shaft (2) top is equipped with urgent flood outlet (21) and overflow mouth (22), is in proper order in order from high to low and overhauls ventilation opening (11), urgent flood outlet (21), overflow mouth (22) through an overflow pipeline (221) and external world intercommunication; The overhaul ventilation opening (11) is used for passing personnel and ventilation, and the overhaul ventilation opening (11) is detachably provided with a safety protection mechanism which is used for preventing personnel from falling into the dry room vertical shaft (1) from the overhaul ventilation opening (11) and does not influence the ventilation of the overhaul ventilation opening (11); The emergency flood discharge port (21) is used for performing emergency flood discharge when the overflow port (22) cannot timely discharge water higher than the overflow port (22); The overflow opening (22) is used for discharging water overflowed to the wet chamber vertical shaft (2) to the outside through an overflow pipeline (221).
  2. 2. The safe and reliable water delivery engineering drain valve manhole structure according to claim 1, wherein the safety protection mechanism is a first safety protection grating plate (111), and the first safety protection grating plate (111) is used for facilitating ventilation and observing the interior of the dry room shaft (1).
  3. 3. The safe and reliable water delivery engineering drain valve manhole structure according to claim 1, wherein the safety protection mechanism is a detachable movable fence (700), and the detachable movable fence (700) encloses the periphery of the overhaul ventilation opening (11).
  4. 4. The safe and reliable water works drain valve manhole structure according to claim 1, further comprising: The water pump (3) is arranged in the dry room vertical shaft (1), the water pump (3) penetrates into the wet room vertical shaft (2) in a sealing way through a water inlet pipeline, the water pump (3) is communicated with the outside through a channel, and the water pump (3) is used for pumping away accumulated water in the wet room vertical shaft (2) and the water conveying pipeline (100).
  5. 5. The safe and reliable water delivery engineering drain valve manhole structure according to claim 4, wherein the channel is arranged in the wet chamber vertical shaft (2) and is communicated with the overflow port (22), the channel is provided with an overflow weir (24) or is the overflow weir (24), the overflow weir (24) is used for preventing external flood from flowing back into the wet chamber vertical shaft (2) through the overflow pipeline (221) and preventing water flowing out of the water outlet of the water pump (3) from flowing back into the wet chamber vertical shaft (2), so that water in the wet chamber vertical shaft (2) flows into the overflow port (22).
  6. 6. The safe and reliable service well structure for a drain valve of a water transportation project according to claim 1, wherein the overflow pipe (221) is laid under the ground.
  7. 7. The safe and reliable water delivery engineering drain valve manhole structure according to claim 1, wherein the top of the dry room vertical shaft (1) is further provided with an air suction opening (12), and the horizontal height of the air suction opening (12) is greater than that of the emergency flood discharge opening (21).
  8. 8. The safe and reliable water works drain valve manhole structure according to any one of claims 1 to 7, further comprising: And the cover plate (6) is used for covering the emergency flood discharge opening (21), and when the water level of accumulated water is higher than that of the emergency flood discharge opening (21), the cover plate (6) is jacked by the water pressure of the wet chamber vertical shaft (2).
  9. 9. A safe and reliable water works drain valve manhole structure according to any one of claims 1-7, characterized in that the emergency flood drain (21) penetrates the roof of the top of the wet chamber shaft (2); The overflow opening (22) penetrates through the side wall of the top of the wet chamber vertical shaft (2).
  10. 10. The safe and reliable water delivery engineering drain valve manhole structure according to any one of claims 1 to 7, wherein the drain outlet of the overflow pipe (221) is hinged with a second turning plate which can be turned outwards, and the second turning plate is used for closing the drain outlet of the overflow pipe (221) when no water flows into the overflow pipe (221), and is turned up due to the water pressure in the pipe when the water flows into the pipe of the overflow pipe (221).
  11. 11. The safe and reliable water works drain valve manhole structure according to any one of claims 1 to 7, further comprising: The first floater (4) is arranged in the wet chamber vertical shaft (2) and is used for detecting the water level in the wet chamber vertical shaft (2).
  12. 12. The utility model provides a safe and reliable's water delivery engineering drain valve examine well structure supporting building, its characterized in that, this building includes: A safe and reliable water delivery engineering drain valve manhole structure as claimed in any one of claims 1 to 10; A house building (7) constructed above the safe and reliable water delivery engineering drain valve inspection well structure; The floor of the house building (7) comprises a dry area floor (71) and a wet area floor (72), the horizontal height of the dry area floor (71) is larger than that of the wet area floor (72), the overhaul ventilation opening (11) penetrates through the dry area floor (71), the emergency flood discharge opening (21) penetrates through the wet area floor (72), a wall body water outlet is formed in the bottom side wall of the house building (7), water discharged from the emergency flood discharge opening (21) flows through the wet area floor (72) and is discharged from the wall body water outlet of the house building (7), and at the moment, the wet area floor (72) serves as the bottom surface of a water discharge groove in the house building (7).
  13. 13. The safe and reliable water delivery project drain valve workover construction kit according to claim 12 is characterized in that the safe and reliable water delivery project drain valve workover construction kit is further provided with a first stair vertical shaft (8) and a second stair vertical shaft (40) which are independent of each other, a first stair (81) is arranged in the first stair vertical shaft (8), a second stair (401) is arranged in the second stair vertical shaft (40), the first stair (81) and the second stair (401) are communicated into the house building (7), and the stair entrance height at the top of the first stair vertical shaft (8) and the stair entrance height at the top of the second stair vertical shaft (40) are higher than the horizontal height of the wet area floor (72); The first elevator shaft (8) is adjacent to the dry-room shaft (1) side by side, the second elevator shaft (40) is adjacent to the wet-room shaft (2) side by side, a first overhaul gate (13) communicated with the first elevator shaft (8) is arranged on the bottom side wall of the dry-room shaft (1), and a second overhaul gate (23) communicated with the second elevator shaft (40) is arranged on the bottom side wall of the wet-room shaft (2); the first overhaul door opening (13) is used for facilitating overhaul personnel to enter the dry room vertical shaft (1), the second overhaul door opening (23) is used for facilitating overhaul personnel to enter the wet room vertical shaft (2), and the second overhaul door opening (23) is closed by a second overhaul door.
  14. 14. The safe and reliable water works drain valve workover construction kit according to claim 12, wherein the wall drain is movably closed by a first flip (73) hinged to the wall of the house building (7), and when the first flip (73) is pressed by the accumulated water, the accumulated water is drained from the wall drain.
  15. 15. The safe and reliable water works drain valve service well structure kit according to claim 14, wherein the water works drain valve service well structure further comprises: When the accumulated water in the wet chamber vertical shaft (2) reaches a wall body water outlet, the second floater (5) floats so as to unlock the first flip (73), and the unlocked first flip (73) can be jacked by the accumulated water and then turned up.
  16. 16. A safe and reliable water delivery project drain valve workover construction kit according to any one of claims 12 to 15, wherein the kit further comprises a water hammer device; The water hammer device comprises a first floater (4), a lifting rope (91), a fixed pulley (92) arranged in a house building (7) and a hammer body (93) with weight smaller than that of the first floater (4), wherein when no water is accumulated in a wet room vertical shaft (2), the first floater (4) is positioned in the wet room vertical shaft (2), the lifting rope (91) is hung on the fixed pulley (92), one end of the lifting rope (91) is fixedly connected with the first floater (4), the other end of the lifting rope (91) is fixedly connected with the hammer body (93), and the hammer body (93) is positioned in a dry room vertical shaft (1); When the first floater (4) is floated by the accumulated water in the wet chamber vertical shaft (2), the hammer body (93) tightens the lifting rope (91) through self gravity, so that the accumulated water height in the wet chamber vertical shaft (2) is judged through the downward moving distance of the hammer body (93).
  17. 17. The safe and reliable water delivery engineering drain valve inspection well structure matched building according to claim 16 is characterized by further comprising a vertical overflow pipe (74), wherein the vertical overflow pipe (74) extends from the wet room vertical shaft (2) to the room building (7), a water inlet of the vertical overflow pipe (74) is located in the wet room vertical shaft (2), a water outlet of the vertical overflow pipe (74) is led to the outside of the room building (7), a lifting rope (91) penetrates through the vertical overflow pipe (74), and when water accumulated in the wet room vertical shaft (2) is pressed into a section of the vertical overflow pipe (74) located in the room building (7), the first floater (4) can be lifted and moved into the vertical overflow pipe (74), so that an inspection staff can conveniently judge the pressure of water accumulated in the top of the wet room vertical shaft (2) by observing the position of a hammer (93) or overflow condition of the water outlet of the vertical overflow pipe (74).

Description

Safe and reliable's water delivery engineering drain valve examines workover structure and supporting building thereof Technical Field The utility model relates to the technical field of water delivery engineering pipeline drain valve repair wells and water delivery engineering constructions, in particular to a safe and reliable water delivery engineering drain valve repair well structure and a matched construction thereof. Background For many years, the development of the regional water diversion project with large long distance and large flow is more and more in recent years, and many of the regional water diversion project with large diameter pipelines are long distance water delivery projects. After long-term operation, the pipelines can have the phenomena of fouling, biological adhesion, inner wall damage and the like, and the water passing capacity and the like of some old projects cannot meet the original design requirements due to long-term incapability of overhauling or inconvenient overhauling. Therefore, the large-diameter pipeline long-distance water delivery engineering needs to arrange auxiliary buildings such as overhauling, water drainage, air exhaust, mud discharge and the like along the water delivery pipeline. Although the drainage valve inspection well structure in the prior art can assist in overhauling a water conveying pipeline of a water conveying project, the drainage valve inspection well structure is difficult to ensure the safety and the reliability of the inspection well and related equipment on an auxiliary building on the inspection well under the conditions of overhigh water head, abnormal drainage valve and the like of the water conveying pipeline, and the overhauling safety is lower. Disclosure of utility model In view of the above, it is necessary to provide a safe and reliable well repairing structure for drain valve of water delivery engineering and its matched construction, so as to overcome several disadvantages in the above background art and solve the following technical problems: How to improve the safety and reliability of the drain valve well repairing structure and equipment thereof under the condition of ensuring the safety of maintenance personnel and facilitating operation. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a safe and reliable water delivery engineering drain valve inspection well structure which is arranged on one side of a water delivery pipeline of a water delivery engineering, a branch pipe of a drain tee of the water delivery pipeline is provided with a drain valve, the water delivery engineering drain valve inspection well structure comprises a dry room vertical shaft and a wet room vertical shaft which are arranged side by side, the dry room vertical shaft and the wet room vertical shaft are both of a concrete structure, the branch pipe passes through the dry room vertical shaft in a sealing manner, a water outlet of the branch pipe is led into the wet room vertical shaft, the drain valve is arranged in a section of the branch pipe which is positioned in the dry room vertical shaft, the top of the dry room vertical shaft is provided with an inspection ventilation opening, an emergency flood drain opening and an overflow opening, and the inspection ventilation opening, the emergency flood drain opening and the overflow opening are sequentially arranged from high to low according to the horizontal height order; The maintenance ventilation opening is used for passing personnel and ventilation, and is detachably provided with a safety protection mechanism which is used for preventing personnel from falling into the dry room vertical shaft from the maintenance ventilation opening and does not influence the ventilation of the maintenance ventilation opening; the emergency flood discharge port is used for carrying out emergency flood discharge when the overflow port cannot timely discharge water higher than the overflow port; the overflow port is used for discharging water overflowed from the wet chamber vertical shaft to the outside through an overflow pipeline. Further, the safety protection mechanism is a first safety protection grating plate, and the first safety protection grating plate is used for facilitating ventilation and observing the interior of the dry room vertical shaft. Further, the safety protection mechanism is a detachable movable fence, and the detachable movable fence encloses the periphery of the overhaul ventilation opening. Further, this water delivery engineering drain valve manhole structure still includes: The water pump is arranged in the dry room vertical shaft, the water pump penetrates into the wet room vertical shaft in a sealing way through a water inlet pipeline, the water pump is communicated with the outside through a channel, and the water pump is used for pumping away accumulated water in the wet room vertical shaft and the wat