CN214993632U - Overhauling and patrolling channel for upper chamber and vertical shaft of underground gallery type pressure regulating chamber - Google Patents
Overhauling and patrolling channel for upper chamber and vertical shaft of underground gallery type pressure regulating chamber Download PDFInfo
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- CN214993632U CN214993632U CN202120848182.3U CN202120848182U CN214993632U CN 214993632 U CN214993632 U CN 214993632U CN 202120848182 U CN202120848182 U CN 202120848182U CN 214993632 U CN214993632 U CN 214993632U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides an underground long corridor formula surge-chamber goes up chamber and inspection tour passageway of shaft, include: the device comprises an overhaul gallery, a suspension bridge, a ladder stand and a suspension point; the side wall on the upstream side or the downstream side of the upper chamber of the underground gallery type pressure regulating chamber is provided with the maintenance gallery communicated with the outside corresponding to the partition wall part; the suspension bridge is arranged between the left end wall of the upper chamber of the underground gallery type surge chamber and the nearest partition wall, between the adjacent partition walls and between the right end wall and the nearest partition wall, and safety protection railings are arranged on two sides of the suspension bridge. The utility model provides an underground long corridor formula surge-chamber upper chamber and the maintenance inspection passageway of shaft can solve underground long corridor formula surge-chamber upper chamber and shaft effectively and overhaul, the problem of inspection, the utility model discloses structural style is simple, and reasonable in design and construction are simple and convenient, excellent in use effect, and the operation management is convenient, can extensively be applied to in hydraulic and hydroelectric engineering.
Description
Technical Field
The utility model belongs to the technical field of hydraulic and hydroelectric engineering, concretely relates to overhaul inspection passageway of room and shaft on underground gallery formula surge-chamber.
Background
The pressure regulating chamber is one of main buildings of a hydropower station water delivery system, when two or more pressure regulating chamber shafts share one pressure regulating chamber upper chamber, the pressure regulating chamber upper chamber is preferably in a long corridor type, in order to reduce the excavation span of the pressure regulating chamber upper chamber, the width of the pressure regulating chamber upper chamber is generally approximately the same as the diameter of the shaft, and due to the arrangement and restriction, the current underground long corridor type pressure regulating chamber upper chamber and the shaft are not provided with daily routing inspection channels, so that the daily routing inspection is inconvenient.
SUMMERY OF THE UTILITY MODEL
The defect to prior art exists, the utility model provides an overhaul inspection passageway of chamber and shaft on gallery formula surge-chamber can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides an underground long corridor formula surge-chamber goes up chamber and inspection tour passageway of shaft, include: the device comprises an overhaul gallery (1), a suspension bridge (2), a ladder stand (3) and a hanging point (4);
the upper chamber (5) of the underground long-tunnel type pressure regulating chamber is provided with at least one partition wall (6), and the upper chamber (5) of the underground long-tunnel type pressure regulating chamber is divided into a plurality of pressure regulating chamber subspaces (8) through the partition wall (6); each pressure regulating chamber subspace (8) corresponds to a vertical shaft (7);
the side wall (5A) at the upstream side or the downstream side of the upper chamber (5) of the underground gallery type pressure regulating chamber is provided with the maintenance gallery (1) communicated with the outside corresponding to the partition wall (6);
the suspension bridge (2) is arranged between the left end wall (5B) of the upper chamber (5) of the underground gallery type pressure regulating chamber and the nearest partition wall (6), between the adjacent partition walls (6) and between the right end wall (5C) and the nearest partition wall (6), and safety protection railings are arranged on two sides of the suspension bridge (2);
the left end wall (5B), the right end wall (5C) and the partition wall (6) of the upper chamber (5) of the underground long-tunnel type pressure regulating chamber are correspondingly provided with the ladder stand (3), and the ladder stand (3) is communicated with a bottom plate of the upper chamber (5) of the underground long-tunnel type pressure regulating chamber;
every the crown portion of surge-chamber subspace (8) sets up hoisting point (4), every hoisting point (4) are located one directly over shaft (7), through hoisting point (4) link to each other with the cage, it is right to realize maintenance and inspection of shaft (7).
Preferably, the top elevation of the partition wall (6) is lower than the top arch elevation of the upper chamber (5) of the underground gallery type pressure regulating chamber.
Preferably, the height difference between the top elevation of the partition wall (6) and the top arch elevation of the upper chamber (5) of the underground gallery type pressure regulating chamber is more than or equal to 2 m; meanwhile, the top elevation of the partition wall (6) is higher than the sum of the highest surge water level and the safe superelevation.
Preferably, the deck slab of the suspension bridge (2) and the top elevation height of the partition wall (6) are the same.
The utility model provides a pair of overhaul inspection tour passageway of chamber and shaft on underground gallery formula surge-chamber has following advantage:
the utility model provides an underground long corridor formula surge-chamber upper chamber and the maintenance inspection passageway of shaft can solve underground long corridor formula surge-chamber upper chamber and shaft effectively and overhaul, the problem of inspection, the utility model discloses structural style is simple, and reasonable in design and construction are simple and convenient, excellent in use effect, and the operation management is convenient, can extensively be applied to in hydraulic and hydroelectric engineering.
Drawings
Fig. 1 is a plan view of an inspection and inspection passage of an upper chamber of a gallery type pressure regulating chamber and a vertical shaft of the utility model;
FIG. 2 is a longitudinal section of the inspection and inspection passage of the upper chamber of the underground gallery type surge chamber and the shaft of the present invention;
fig. 3 is the utility model discloses a transverse section of the maintenance inspection passageway of chamber and shaft on the gallery formula surge-chamber.
In the figure:
1-a service corridor; 2- -suspension bridge; 3- -climbing a ladder; 4- -hoisting point; 5- - -an upper chamber of the underground gallery type surge chamber; 5A- - -side wall; 5B- - -left end wall; 5C- -right side end wall; 6- - -a partition wall; 7-a vertical shaft; 8-pressure regulating chamber subspace.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides an underground long corridor formula surge-chamber upper chamber and the maintenance inspection passageway of shaft can solve underground long corridor formula surge-chamber upper chamber and shaft effectively and overhaul, the problem of inspection, the utility model discloses structural style is simple, and reasonable in design and construction are simple and convenient, excellent in use effect, and the operation management is convenient, can extensively be applied to in hydraulic and hydroelectric engineering.
Referring to fig. 1, fig. 2 and fig. 3, the utility model provides a pair of overhaul inspection tour passageway of chamber and shaft on underground gallery formula surge-chamber, include: the device comprises an overhaul corridor 1, a suspension bridge 2, a ladder stand 3 and a hanging point 4;
wherein, the upper chamber 5 of the underground gallery type pressure regulating chamber is provided with at least one partition wall 6, and the upper chamber 5 of the underground gallery type pressure regulating chamber is divided into a plurality of pressure regulating chamber subspaces 8 by the partition wall 6; each pressure regulating chamber subspace 8 corresponds to one vertical shaft 7; wherein, the top elevation of the partition wall 6 is lower than the top arch elevation of the upper chamber 5 of the underground gallery type pressure regulating chamber. In addition, the elevation difference between the top elevation of the partition wall 6 and the top arch elevation of the upper chamber 5 of the underground gallery type pressure regulating chamber is more than or equal to 2 m; meanwhile, the top elevation of the partition wall 6 is higher than the sum of the highest surge water level and the safety superelevation. Namely: the ceiling elevation of the partition > (highest surge level + safe superelevation).
The following describes in detail the arrangement of the access corridor 1, the suspension bridge 2, the ladder 3 and the suspension points 4, respectively:
An overhaul corridor 1 communicated with the outside is arranged at the position of a side wall 5A at the upstream side or the downstream side of an upper chamber 5 of the underground gallery type pressure regulating chamber, which corresponds to a partition wall 6; the overhaul gallery 1 is a running ventilation channel and also serves as a construction channel.
(II) suspension bridge 2
(III) climbing ladder 3
The left end wall 5B, the right end wall 5C and the partition wall 6 of the upper chamber 5 of the underground gallery type pressure regulating chamber are correspondingly provided with the climbing ladder 3, and the climbing ladder 3 is communicated with the bottom plate of the upper chamber 5 of the underground gallery type pressure regulating chamber;
(IV) hoisting point 4
And a lifting point 4 is arranged at the top arch part of each pressure regulating chamber subspace 8, each lifting point 4 is positioned right above one vertical shaft 7 and is connected with a suspension cage through the lifting point 4, and the maintenance and inspection of the vertical shaft 7 are realized.
The utility model provides an overhaul inspection passageway of chamber and shaft on gallery formula surge-chamber is a structural arrangement is simple, and the engineering volume is little, and construction and operation management convenient chamber and shaft on gallery formula surge-chamber overhaul, inspection passageway can overcome the problem that does not possess the passageway during daily maintenance of chamber and shaft on the hydraulic engineering gallery formula surge-chamber, inspection, the operation management of being convenient for.
The following detailed description will be given by taking a certain large-scale project adopting the technical scheme of the utility model as an example with the accompanying drawings:
the upper chamber of the long tunnel type tail water surge chamber of a certain engineering is an urban door opening type section, the net size is 154m multiplied by 10.8m multiplied by 12.7m (length multiplied by width multiplied by height), the vertical shaft of the tail water surge chamber is a circular section, the hole diameter is 10m, the highest surge water level of the tail water surge chamber is 1075m, and the vertical shafts of the three tail water surge chambers share the upper chamber of the tail water surge chamber. Two partition walls 6 are arranged in the upper chamber of the gallery type tail water surge chamber, the ceiling height of each partition wall 6 is 1077m, and the size of each partition wall is 10.8m multiplied by 2m (length multiplied by width). The downstream side wall of the upper chamber of the gallery type tail water surge-chamber is provided with two maintenance galleries 1 corresponding to the partition wall 6, and the maintenance galleries 1 are connected with a ventilation hole of a factory building. Set up suspension bridge 2 between left and right side headwall and partition wall 6, the adjacent partition wall 6 of long corridor formula tail water surge-chamber upper chamber, 2 width of suspension bridge are 2m, and suspension bridge decking apical elevation is 1077m, and is the same height with 6 apical elevations of partition wall, adopts the stainless steel sheet, and 2 both sides of suspension bridge are equipped with the safety protection railing.
Set up cat ladder 3 on left and right side headwall, the partition wall 6 of long corridor formula tail water surge-chamber upper chamber, 3 specifications of cat ladder are HRB400 level reinforcing bar, and the diameter is 16mm, and the interval is 0.3m, and cat ladder 3 leads to the bottom plate of upper chamber.
A lifting point 4 is arranged at the position, corresponding to a vertical shaft 7, of a top arch of an upper chamber 5 of the underground gallery type pressure regulating chamber, the lifting points 4 are arranged in 3 groups, each lifting point 4 is composed of an embedded part and a lifting lug, and the vertical shaft 7 is overhauled and patrolled by connecting the lifting point 4 with a suspension cage.
By adopting the technical scheme disclosed by the utility model, the problem that the upper chamber of the gallery type tail water surge chamber does not have an overhaul and inspection channel is solved, the structure is simple, the overall stability is good, and the safe operation requirement of a power station is met; the construction and operation management are convenient.
To sum up, the utility model provides a pair of overhaul inspection tour passageway of chamber and shaft on underground gallery formula surge-chamber has following advantage:
the utility model provides an overhaul and inspection channel of the upper chamber of the underground long-corridor type pressure regulating chamber and the vertical shaft, which can effectively solve the problem that the upper chamber of the underground long-corridor type pressure regulating chamber and the vertical shaft do not have the overhaul and inspection channel, and provides a new way for the overhaul and inspection channel of the upper chamber of the underground long-corridor type pressure regulating chamber and the vertical shaft; the upper chamber of the underground gallery type pressure regulating chamber and a shaft overhauling and inspection channel can meet various hydraulic requirements and structural requirements of the operation of a power station; simple structure, construction and operation management are convenient, but wide application in hydraulic and hydroelectric engineering.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (4)
1. The utility model provides an overhaul inspection passageway of chamber and shaft on gallery formula surge-chamber, its characterized in that includes: the device comprises an overhaul gallery (1), a suspension bridge (2), a ladder stand (3) and a hanging point (4);
the upper chamber (5) of the underground long-tunnel type pressure regulating chamber is provided with at least one partition wall (6), and the upper chamber (5) of the underground long-tunnel type pressure regulating chamber is divided into a plurality of pressure regulating chamber subspaces (8) through the partition wall (6); each pressure regulating chamber subspace (8) corresponds to a vertical shaft (7);
the side wall (5A) at the upstream side or the downstream side of the upper chamber (5) of the underground gallery type pressure regulating chamber is provided with the maintenance gallery (1) communicated with the outside corresponding to the partition wall (6);
the suspension bridge (2) is arranged between the left end wall (5B) of the upper chamber (5) of the underground gallery type pressure regulating chamber and the nearest partition wall (6), between the adjacent partition walls (6) and between the right end wall (5C) and the nearest partition wall (6), and safety protection railings are arranged on two sides of the suspension bridge (2);
the left end wall (5B), the right end wall (5C) and the partition wall (6) of the upper chamber (5) of the underground long-tunnel type pressure regulating chamber are correspondingly provided with the ladder stand (3), and the ladder stand (3) is communicated with a bottom plate of the upper chamber (5) of the underground long-tunnel type pressure regulating chamber;
every the crown portion of surge-chamber subspace (8) sets up hoisting point (4), every hoisting point (4) are located one directly over shaft (7), through hoisting point (4) link to each other with the cage, it is right to realize maintenance and inspection of shaft (7).
2. The overhaul and inspection channel of the upper chamber of the underground long-porch type surge-chamber and the vertical shaft according to claim 1, wherein the top elevation of the partition wall (6) is lower than the top arch elevation of the upper chamber (5) of the underground long-porch type surge-chamber.
3. The overhaul and inspection channel of the upper chamber of the underground gallery type pressure regulating chamber and the vertical shaft according to claim 1, wherein the difference between the top elevation of the partition wall (6) and the top arch elevation of the upper chamber (5) of the underground gallery type pressure regulating chamber is greater than or equal to 2 m; meanwhile, the top elevation of the partition wall (6) is higher than the sum of the highest surge water level and the safe superelevation.
4. The overhaul and inspection channel of the upper chamber and the vertical shaft of the underground gallery type pressure regulating chamber according to claim 1, characterized in that the bridge deck of the suspension bridge (2) and the top elevation of the partition wall (6) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120848182.3U CN214993632U (en) | 2021-04-23 | 2021-04-23 | Overhauling and patrolling channel for upper chamber and vertical shaft of underground gallery type pressure regulating chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120848182.3U CN214993632U (en) | 2021-04-23 | 2021-04-23 | Overhauling and patrolling channel for upper chamber and vertical shaft of underground gallery type pressure regulating chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214993632U true CN214993632U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120848182.3U Active CN214993632U (en) | 2021-04-23 | 2021-04-23 | Overhauling and patrolling channel for upper chamber and vertical shaft of underground gallery type pressure regulating chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214993632U (en) |
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2021
- 2021-04-23 CN CN202120848182.3U patent/CN214993632U/en active Active
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