CN104947637B - Blocking sluice gate of diversion tunnel detecting system and detection method - Google Patents
Blocking sluice gate of diversion tunnel detecting system and detection method Download PDFInfo
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- CN104947637B CN104947637B CN201510395582.2A CN201510395582A CN104947637B CN 104947637 B CN104947637 B CN 104947637B CN 201510395582 A CN201510395582 A CN 201510395582A CN 104947637 B CN104947637 B CN 104947637B
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- diversion tunnel
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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 invention belongs to Construction for Hydroelectric Project field, there is provided a kind of simple to operate and under closure gate, after lock, can quickly detect its blocking sluice gate of diversion tunnel detecting system sealing situation, and corresponding detection method, including intake tower, diversion tunnel it is provided with in intake tower, inlet of diversion tunnel is provided with closure gate, it is provided with between operation in intake tower above closure gate, also include detecting hole, the upper end in described detection hole connects with between operation, and its lower end connects with the diversion tunnel in closure gate downstream；The upper end in detection hole is provided with openable closure cover plate.The present invention is simple to operate, can detect immediately after lock under closure gate, it is completely exhausted out without waiting for the water in diversion tunnel, the tunnel that diversion tunnel downstream is longer need not be passed through simultaneously, therefore detection required time it is substantially shorter, to complete gate status inspection within the shortest time, being quickly made whether again to descend the key decisions such as lock, reducing the later stage because of the difficulty of big caused plug construction of leaking.
Description
Technical field
The present invention relates to Construction for Hydroelectric Project field, particularly relate to a kind of blocking sluice gate of diversion tunnel detecting system and corresponding
Detection method.
Background technology
At present, according to the feature of Hydraulic and Hydro-Power Engineering, the layout elevation of diversion tunnel is the lowest, and closure gate is after lower lock
In a period of time, before storehouse, the water level rate of climb is very fast, typically requires by downstream into diversion tunnel within 1～2 hour, from envelope
Blocking gate rear checks sealing situation or the water leakage situation of its closure gate, in order to be adjusted in time；Ensure the sealing of gate
Effect is preferable.Owing to upper pond level rises very fast, therefore the time requirement to whole inspection, observation is higher, otherwise blocks gate
Again will cannot promote and carry out again descending lock；If sealing effectiveness is bad after lock under closure gate, cause water leakage big, will increase
The difficulty of later stage Diversion tunnel plug construction.Diversion tunnel tunnel yet with gate downstream is the longest, and hole internal drainage is also required to relatively
For a long time, the most usually have influence on testing staff and enter hole inspection progress, extend detection, observing time.At present in relatively multiple-project
Use Power Vessel to enter in diversion tunnel, but owing to often there is the multiple situations such as alluvial in tunnel, Power Vessel is difficult to directly arrive lock
Side behind the door, inconvenient operation, implement difficulty bigger.
Summary of the invention
Present invention solves the technical problem that and be to provide a kind of simple to operate and under closure gate, after lock, can quickly detect its sealing situation
Blocking sluice gate of diversion tunnel detecting system, and use a kind of detection method of this detecting system.
The technical solution adopted for the present invention to solve the technical problems is: blocking sluice gate of diversion tunnel detecting system, including intake tower,
In intake tower, it is provided with diversion tunnel, the hole import of intake tower Inner guide is provided with closure gate, the water inlet above closure gate
Being provided with in tower between operation, also include detecting hole, the upper end in described detection hole connects with between operation, under its lower end and closure gate
The diversion tunnel connection of trip；The upper end in detection hole is provided with openable closure cover plate.
Further: also including launching platform, be positioned at detection hole between operation is arranged above suspension bracket, and described expansion is put down
Platform passes through the liftable hanging of lifting rope on suspension bracket；Described expansion platform has receipts and folds and launch two states, and flat when launching
Can be freely lifted by detection hole when platform is for receiving overlapping state, when launching platform and being deployed condition, launch the width after platform launches
Corresponding with the width of diversion tunnel.
Further: described expansion platform includes halfpace, two side platforms and bracing frame, said two side platform is respectively
Hinged with the both sides of halfpace, the lower end of support frame as described above is fixing with halfpace to be connected, and bracing frame hangs down with halfpace
Directly；Described lifting rope is connected with the upper end of bracing frame；Also include two groups respectively with two side platform stay cords one to one, described in draw
One end of rope is connected with the upper end of bracing frame, and its other end is connected with one end away from halfpace on the platform of side.
Further: on the platform of side, be provided with fence, described fence can flatten and receive folded being connected with side platform.
Further: on the platform of each side, the one end away from halfpace is provided with roller outwardly.
Further: on the platform of each side, the one end away from halfpace is provided with roller outwardly；On fence away from
Between one end of platform be also equipped with roller outwardly.
Further: also including that hoisting mechanism, described hoisting mechanism are arranged on bracing frame, described hoisting mechanism includes reel
With the rocking handle that can drive spool turns；The one ends wound that described stay cord is connected with bracing frame is on reel.
Further: also including the upper end that blast pipe, one end of described blast pipe are arranged in detection hole, its other end is from leading
The downstream in stream hole passes rear and outside air environmental communication.
Further: the inner liner in described detection hole is steel pipe.
It addition, the present invention provides a kind of blocking sluice gate of diversion tunnel detection method, it uses above-mentioned blocking sluice gate of diversion tunnel detecting system,
Testing staff is transferred to the diversion tunnel in closure gate downstream by detection hole with the platform that launches receiving poststack, then launches exhibition
Opening platform, testing staff carries out the detection to closure gate on expansion platform.
The invention has the beneficial effects as follows: under closure gate after lock, opening closure cover plate can be very easily by detection hole pair
Closure gate rear situation carries out detecting, observing, and wherein can use and testing staff be transferred to closure gate rear by detection hole
Carry out detecting, observing, it is possible to employing is only transferred the first-class auxiliary equipment point mode of shooting and carried out detecting, observing.Will detection using
Personnel transfer in the mode carrying out detecting, and the present invention further provides a kind of expansion platform, are folded by the receipts launching platform and launch,
Can detection hole be done little as far as possible, to ensure the structural strength of intake tower, after being easy to the most again launch, whole closure gate be examined
Survey.The present invention is simple to operate, can detect immediately under closure gate after lock, it is not necessary to wait that the water in diversion tunnel is arranged completely
Go out, need not pass through the tunnel that diversion tunnel downstream is longer, to be therefore substantially shorter detection required time, in order in the shortest time simultaneously
Inside completing gate status inspection, be quickly made whether again to descend the key decisions such as lock, the reduction later stage executes because of the big caused plug that leaks
The difficulty of work.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view shown in Section A-A in Fig. 1, and expansion platform is deployed condition；
Fig. 3 is the sectional view shown in Section A-A in Fig. 1, and launches platform for receiving overlapping state；
Fig. 4 is the sectional view shown in section B-B in Fig. 1；
Fig. 5 is to launch structural representation when platform launches；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the topology view being flattened by fence in Fig. 5 and receiving poststack；
Fig. 8 is to launch structural representation when platform is received folded；
Fig. 9 is the top view of Fig. 8；
Figure 10 is the structural representation of hoisting mechanism；
Figure is labeled as: intake tower 1, diversion tunnel 2, closure between gate 3, operation 4, detection hole 5, steel pipe 51, capping
Plate 6, launch platform 7,71, two side platforms 72 of halfpace, bracing frame 73, stay cord 74, fence 75, roller 76,
Suspension bracket 8, hoisting mechanism 9, reel 91, rocking handle 92, lifting rope 10, blast pipe 11, testing staff 12.
Detailed description of the invention
The present invention is further described with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Fig. 1 to Figure 10, blocking sluice gate of diversion tunnel detecting system of the present invention, including intake tower 1, in water inlet
It is provided with diversion tunnel 2 in tower 1, the hole import of intake tower Inner guide is provided with closure gate 3, the water inlet above closure gate 3
Being provided with between operation 4 in tower, also include detecting hole 5, the upper end in described detection hole 5 connects with between operation 4, its lower end and closure
The diversion tunnel connection in gate 3 downstream；The upper end in detection hole 5 is provided with openable closure cover plate 6.Wherein, closure cover plate 6
Effect be closure detection hole 5, when be made without detection time, by closure cover plate 6 detection hole 5 is blocked, in order to just
In dismantling and guaranteeing plugging effect, typically can be attached installing by flange arrangement and bolt connecting mode by closure cover plate 6.
And when needs detect, it is only necessary to closure cover plate 6 is opened, is then carried out closure gate 3 rear by detection hole 5
Detection, observation.
Can use at least the following two kinds detection view mode in the present invention, the first sets for transferring corresponding detection by detection hole 5
For detecting, carry out detecting, observing as a camera can be transferred by detection hole 5；The second is will inspection by detection hole 5
Survey personnel 12 transfer and carry out detecting, observing to the rear blocking gate 3.It is said that in general, for the ease of detection, observe and suitable
When adjustment, the operation such as maintenance, generally use above-mentioned the second detection mode.
When above-mentioned employing the second detection mode, in order to make testing staff 12 can closure gate 3 whole width on the most square
Just carry out detecting, observing.Typically require testing staff 12 can closure gate 3 width on shift position.For this
Invention use following structure: an expansion platform 7 is set, between operation 4 be positioned at detection hole 5 be arranged above suspension bracket 8, institute
State expansion platform 7 and pass through the liftable hanging of lifting rope 10 on suspension bracket 8；Described expansion platform 7 has receipts and folds and launch two kinds of shapes
State, and can be freely lifted by detection hole 5 when launching platform 7 for receiving overlapping state, when launching platform 7 and being deployed condition,
Launch the width after platform 7 launches corresponding with the width of diversion tunnel 2.By being set to stacked to be received and expansion by launching platform 7
Structure, while so can detecting ensureing the convenient whole width to closure gate 3 of testing staff 12, as far as possible
Reduce the size in detection hole 5, to guarantee the structural strength of intake tower.And be typically provided with on suspension bracket 8 electric hoist or
Being similarly used for the drive mechanism of lifting and lower section, one end of corresponding lifting rope 10 is connected with electric hoist.It addition, general, in order to
Make detection hole 5 have a stronger structural strength, be easy to the most again construction, it is to avoid later stage intake tower is carried out punch operation, can be by
The inner liner in described detection hole 5 is steel pipe 51；Namely when the construction of intake tower 1, a pre-buried steel pipe 51.
It addition, for the concrete structure launching platform 7, it is however generally that, it is only necessary to meet above-mentioned going, i.e. in guarantee inspection
While the whole width of closure gate 3 can be detected by survey personnel, reduce the size in detection hole 5, the most as far as possible
It is to try to reduce expansion platform 7 and receives poststack occupied area on vertical.The present invention provides following a kind of preferred structure: launch platform
7 include 71, two side platforms 72 of halfpace and bracing frame 73, said two side platform 72 respectively with halfpace 71
Both sides are hinged, and the lower end of support frame as described above 73 is fixing with halfpace 71 to be connected, and bracing frame 73 hangs down with halfpace 71
Directly；Described lifting rope 10 is connected with the upper end of bracing frame 73；Also include two groups respectively with two side platform 72 stay cords one to one
74, one end of described stay cord 74 is connected with the upper end of bracing frame 73, away from halfpace 71 on its other end and side platform 72
One end connect.So, receiving poststack launching platform 7, testing staff may stand on halfpace 71 with launching platform 7 one
Lifting, and by both sides platform launch after, testing staff 12 can on the platform of side shift position, detect the most accordingly
And observation.
It addition, security during in order to protect testing staff 12 to move in detection platform, the present invention is further at side platform 72
On be provided with fence 75, as shwon in Figures 5 and 6, and corresponding in order to make fence also can do therewith when launching platform and receiving folded
Receipts fold so that launch platform overall structure the compactest, described fence 75 can be flattened and receive folded being connected with side platform 72.
Can flatten as fence 75 and receive folded concrete structure, can refer to structure shown in Fig. 5 and Fig. 7 and arrange.
Furthermore, it is contemplated that launching after platform 7 launches, the two ends on its width easily with the avoiding contact with of diversion tunnel 2,
In order to reduce the drag effects in above-mentioned contact process, the present invention further on each side platform 72 away from halfpace 71
One end is provided with roller 76 outwardly.So-called roller 76 outwardly, shown in figure, refers to roller 76 towards diversion tunnel
The wall of 2.It addition, when being provided with fence 75, except can on each side platform 72 away from the one of halfpace 71
The end roller 76 being provided with outwardly is that the one end away from halfpace 71 is also equipped with roller 76 outwardly on fence 75；
So arrange it is also an advantage that, with reference to as shown in figure 5 and figure 7, in this case, have receipts overlapping state when launching platform 7
When phase demodulation state is carried out, side platform 72 is during launching to both sides, and the roller 76 meeting linear contact lay on fence 75 is to water conservancy diversion
The wall in hole 2, and, along with further spreading out of side platform 72, the roller 76 on fence 75 can be acted on certain by wall
Power, orders about fence 75 automatically from receiving overlapping state expansion.
It addition, in the present invention, the receipts for side platform 72 are folded and launch operation, can use manual or automatically in theory,
May also be and have testing staff 12 actively to control, or be controlled by remaining personnel.Present invention preferably employs following structure:
Arranging a hoisting mechanism 9 further on bracing frame 73, described hoisting mechanism 9 includes reel 91 and can drive 91 turns of reel
Dynamic rocking handle 92；The one ends wound that described stay cord 74 is connected with bracing frame 73 is on reel 91.So, testing staff only needs
Rotate corresponding rocking handle 92, by reel 91, the folding and unfolding of stay cord 74 can be realized folded to the receipts launching platform and launch operation.
Certainly, when carrying out folding and unfolding, testing staff should stand on halfpace 71, to guarantee its personal safety.
It addition, the present invention also can arrange blast pipe 11, one end of described blast pipe 11 is arranged on the upper end in detection hole 5,
Its other end passes rear and outside air environmental communication from the downstream of diversion tunnel 2.Such benefit is being provided with detection hole 5
In the case of, when carrying out diversion tunnel closure, it is simple to the gas in diversion tunnel between plugging construction section and closure gate 3 is discharged.
The present invention uses above-mentioned blocking sluice gate of diversion tunnel detecting system, when being detected by detection people 12 simultaneously, and its concrete grammar
As follows: first, testing staff 12 transferred to closure gate 3 downstream by detection hole 5 with the platform 7 that launches receiving poststack
In diversion tunnel, then launching platform 7, testing staff 12 carries out the detection to closure gate 3 on expansion platform 7.And
And during detection, can control to launch the height of platform 7 at any time, in order to differing heights position on closure gate 3 is carried out
Detection.
Claims (9)
1. blocking sluice gate of diversion tunnel detecting system, including intake tower (1), diversion tunnel (2) it is provided with in intake tower (1), the hole import of intake tower Inner guide is provided with closure gate (3), (4) it are provided with between operation in the intake tower of closure gate (3) top, it is characterized in that: also include detecting hole (5), the upper end of described detection hole (5) connects with (4) between operation, and its lower end connects with the diversion tunnel in closure gate (3) downstream；The upper end of detection hole (5) is provided with openable closure cover plate (6)；Also include launching platform (7), between operation (4) be positioned at detection hole (5) be arranged above suspension bracket (8), described expansion platform (7) by lifting rope (10) liftable hanging on suspension bracket (8)；Described expansion platform (7) has receipts and folds and launch two states, and can be freely lifted by detection hole (5) when launching platform (7) for receiving overlapping state, when launching platform (7) and being deployed condition, launch the width after platform (7) launches corresponding with the width of diversion tunnel (2).
2. blocking sluice gate of diversion tunnel detecting system as claimed in claim 1, it is characterized in that: described expansion platform (7) includes halfpace (71), two side platforms (72) and bracing frame (73), said two side platform (72) is hinged with the both sides of halfpace (71) respectively, the lower end of support frame as described above (73) is fixing with halfpace (71) to be connected, and bracing frame (73) is vertical with halfpace (71)；Described lifting rope (10) is connected with the upper end of bracing frame (73)；Also include two groups respectively with two side platforms (72) stay cord one to one (74), one end of described stay cord (74) is connected with the upper end of bracing frame (73), and its other end is connected with one end away from halfpace (71) on side platform (72).
3. blocking sluice gate of diversion tunnel detecting system as claimed in claim 2, it is characterised in that: being provided with fence (75) on side platform (72), described fence (75) can flatten receives folded being connected with side platform (72).
4. blocking sluice gate of diversion tunnel detecting system as claimed in claim 2, it is characterised in that: on each side platform (72), the one end away from halfpace (71) is provided with roller (76) outwardly.
5. blocking sluice gate of diversion tunnel detecting system as claimed in claim 3, it is characterised in that: on each side platform (72), the one end away from halfpace (71) is provided with roller (76) outwardly；On fence (75), the one end away from halfpace (71) is also equipped with roller (76) outwardly.
6. the blocking sluice gate of diversion tunnel detecting system as according to any one of claim 2 to 5, it is characterized in that: also include hoisting mechanism (9), described hoisting mechanism (9) is arranged on bracing frame (73), and described hoisting mechanism (9) includes reel (91) and the rocking handle (92) that reel (91) can be driven to rotate；The one ends wound that described stay cord (74) is connected with bracing frame (73) is on reel (91).
7. the blocking sluice gate of diversion tunnel detecting system as according to any one of claim 1 to 5, it is characterized in that: also include blast pipe, one end of described blast pipe is arranged on the upper end in detection hole (5), and its other end passes rear and outside air environmental communication from the downstream of diversion tunnel (2).
8. the blocking sluice gate of diversion tunnel detecting system as according to any one of claim 1 to 5, it is characterised in that: the inner liner of described detection hole (5) is steel pipe (51).
9. blocking sluice gate of diversion tunnel detection method, it is characterized in that: use the blocking sluice gate of diversion tunnel detecting system according to any one of the claims 1 to 6, testing staff (12) is transferred to the diversion tunnel in closure gate (3) downstream by detection hole (5) with the expansion platform (7) receiving poststack, then launching platform (7), testing staff (12) carries out the detection to closure gate (3) in expansion platform (7).
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| CN104947637B true CN104947637B (en) | 2016-08-17 |
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| CN107270971B (en) * | 2017-07-25 | 2023-08-04 | 中国电建集团贵阳勘测设计研究院有限公司 | Water conservancy project gate regional quality of water yield check out test set |
| CN114687322B (en) * | 2022-05-10 | 2023-05-26 | 中国电建集团成都勘测设计研究院有限公司 | Plugging device and method suitable for quick plugging of parabolic holes in shaft lock chamber |
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