CN212896241U - Improved structure of high-narrow large-hole diversion tunnel plugging gate - Google Patents
Improved structure of high-narrow large-hole diversion tunnel plugging gate Download PDFInfo
- Publication number
- CN212896241U CN212896241U CN202021379620.8U CN202021379620U CN212896241U CN 212896241 U CN212896241 U CN 212896241U CN 202021379620 U CN202021379620 U CN 202021379620U CN 212896241 U CN212896241 U CN 212896241U
- Authority
- CN
- China
- Prior art keywords
- gate
- diversion tunnel
- plugging
- narrow
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides an improvement structure of high narrow big aperture diversion tunnel shutoff gate, including diversion tunnel shutoff gate, diversion tunnel shutoff gate comprises the split door leaf along longitudinal symmetry arrangement, longitudinal symmetry sets up internode connecting plate between the adjacent split door leaf, it is fixed through bolted connection between the internode connecting plate of split door leaf, the handle hole has been seted up on the internode connecting plate, diversion tunnel shutoff gate downstream side top sets up horizontal continuous supporting slide, the inside horizontal continuous supporting slide under setting up of side water seal of downstream side lower part, bilateral symmetry sets up vertical supporting slide. The problems that the gate is blocked by a diversion tunnel with a high and narrow large hole opening and a high water head, the gate leaf sections are large in number and large in quantity, the field installation workload is large, the bearing strength of a supporting slideway is too large and is easy to damage, the water seal compression is too large, creep deformation is caused, failure and water leakage are caused, the blockage construction of a diversion tunnel plug is difficult and the like are solved, and the method belongs to the field of metal structures of hydropower stations.
Description
Technical Field
The utility model relates to an improvement structure of high narrow macropore mouth diversion tunnel shutoff gate belongs to water and electricity hydraulic engineering metal construction technical field.
Background
For the diversion tunnel plugging gate, the diversion tunnel plugging gate is a temporary facility, the general water blocking head is high, the operation water head is low, so the gate structure is relatively simple, a transverse subsection is generally adopted to be welded into a whole, the quantity is small for the gate with small height (less than or equal to 10m), the field installation difficulty is small, but for the existing diversion tunnel plugging gate with a middle pier arranged at the diversion tunnel inlet and larger height (more than or equal to 20m), the transverse subsection is more than or equal to 6, the field installation difficulty is large, the traditional diversion tunnel plugging gate adopts a bilateral support mode, for the diversion tunnel plugging gate with higher water head, the bearing strength of a support slideway is too large and is easy to damage, the water seal compression is too large, the creep deformation is caused, the failure and the water leakage are caused, and the diversion tunnel plug plugging construction is difficult, therefore, the prior art is not perfect and needs.
SUMMERY OF THE UTILITY MODEL
The utility model provides an improvement structure of narrow macropore mouth water conservancy diversion tunnel shutoff gate to the solution is to the higher narrow macropore mouth water conservancy diversion tunnel shutoff gate of height of flood peak, horizontal merogenesis, door leaf merogenesis is in large quantity, and on-the-spot installation work volume is big, and too big fragile of supporting slide bearing strength can cause the water seal compression to take place the creep and destroy the inefficacy and leak, causes the difficult scheduling problem of water conservancy diversion tunnel end cap shutoff construction.
In order to solve the problems, the improved structure of the diversion tunnel blocking gate with the high-narrow large hole opening is supposed to be adopted, and the improved structure comprises the diversion tunnel blocking gate, wherein the diversion tunnel blocking gate is formed by split leaves which are longitudinally and symmetrically arranged, internode connecting plates are longitudinally and symmetrically arranged between the adjacent split leaves, the internode connecting plates of the split leaves are fixedly connected through bolts, an operating hole is formed in each internode connecting plate, an upper transverse continuous supporting slideway is arranged at the top of the downstream side of the diversion tunnel blocking gate, a lower transverse continuous supporting slideway is arranged in a side water seal at the lower part of the downstream side, vertical supporting slideways are arranged at two sides, an upper transverse rail corresponding to the upper transverse continuous supporting slideway is arranged on a door lintel at the upper part of a door slot of the diversion tunnel blocking gate, and the lower part of the door slot of the diversion tunnel blocking gate is of a stepped structure.
In the improved structure, the split door leaves are longitudinally and symmetrically arranged;
in the improved structure, the upstream end face of the step-shaped structure is provided with a lower transverse rail corresponding to the position of the lower transverse continuous supporting slideway;
in the improved structure, the two sides of the door slot are provided with vertical supporting rails corresponding to the vertical supporting slide ways.
Compared with the prior art, the utility model discloses following beneficial effect has:
the high-narrow large-hole diversion tunnel plugging gate is manufactured by longitudinal sectioning, the number of sections is reduced, the installation number of gate leaves on site is reduced, internode connecting plates are longitudinally and symmetrically arranged between every two connected gate leaves, and the internode connecting plates are provided with operating holes, so that the difficulty of assembling bolts during site installation is effectively reduced; supporting slideways are arranged on the upper side, the lower side, the left side and the right side of the diversion tunnel plugging gate, the lower portion of a gate slot of the diversion tunnel plugging gate is of a step-shaped structure, a track corresponding to the supporting slideways is arranged, the four-side supporting structure is adopted, the strength of the supporting slideways is reduced by lengthening the length of the supporting slideways, the supporting slideways are effectively prevented from being damaged due to overlarge deformation, the compression deformation of a water seal is ensured not to be overlarge, the water leakage amount is reduced, and the construction difficulty of plugging a diversion tunnel.
Drawings
Fig. 1 is a schematic view of the installation and positioning of the plugging gate of the diversion tunnel with the high, narrow and large hole opening of the utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the upstream surface of the blocking gate of the diversion tunnel with a high narrow large hole;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
fig. 5 is a schematic view of the downstream surface of the blocking gate of the diversion tunnel with high and narrow large orifices;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a cross-sectional view C-C of FIG. 5;
fig. 8 is a cross-sectional view taken along line D-D of fig. 5.
In FIGS. 1 to 8: the method comprises the following steps of 1-a diversion tunnel plugging gate, 2-a valving gate leaf, 3-an internode connecting plate, 7-an operation hole, 8-a bolt, 9-an upper transverse continuous supporting slideway, 10-a side water seal, 11-a lower transverse continuous supporting slideway, 12-a vertical supporting slideway, 13-a gate slot, 14-a gate head, 15-an upper transverse track, 16-an inlet runner, 17-a tunnel inner runner, 18-a lower transverse track and 19-a vertical supporting track.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present invention, a more particular description of the invention will be rendered by reference to the appended drawings, which are illustrated in the appended drawings.
Examples
Referring to fig. 1 to 8, the embodiment provides an improved structure of a diversion tunnel plugging gate with a narrow large opening, which includes a diversion tunnel plugging gate 1, the diversion tunnel plugging gate 1 is composed of split leaves 2 symmetrically arranged along a longitudinal direction, internode connecting plates 3 are symmetrically arranged between the adjacent split leaves 2 in the longitudinal direction, the internode connecting plates 3 of the split leaves 2 are connected and fixed through bolts 8, an operation hole 7 is formed on the internode connecting plates 3, an upper transverse continuous supporting slideway 9 is arranged on the top of the downstream side of the diversion tunnel plugging gate 1, a lower transverse continuous supporting slideway 11 is arranged in a side water seal 10 at the lower part of the downstream side, vertical supporting slideways 12 are symmetrically arranged at two sides, an upper transverse rail 15 corresponding to the upper transverse continuous supporting slideway 9 is arranged on a door lintel 14 on a door slot 13 of the diversion tunnel plugging gate 1, and a stepped structure with an inlet runner 16 lower than an in-tunnel runner 17 is adopted at the lower part of the door slot 13 of the diversion tunnel plugging.
The upstream end surface of the step-shaped structure is provided with a lower transverse rail 18 corresponding to the position of the lower transverse continuous supporting slideway 11; vertical supporting rails 19 corresponding to the positions of the vertical supporting slideways 12 are arranged on two sides of the door slot 13.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides an improvement structure of high narrow big portal diversion tunnel shutoff gate, includes diversion tunnel shutoff gate (1), its characterized in that: the diversion tunnel plugging gate (1) is composed of split gate leaves (2) which are longitudinally and symmetrically arranged, internode connecting plates (3) are longitudinally and symmetrically arranged between the adjacent split gate leaves (2), the internode connecting plates (3) of the split gate leaves (2) are fixedly connected through bolts (8), an operating hole (7) is formed in each internode connecting plate (3), an upper transverse continuous supporting slideway (9) is arranged at the top of the downstream side of the diversion tunnel plugging gate (1), a lower transverse continuous supporting slideway (11) is arranged in a side water seal (10) at the lower part of the downstream side, vertical supporting slideways (12) are symmetrically arranged at two sides, an upper transverse track (15) corresponding to the upper transverse continuous supporting slideway (9) is arranged on a door lintel (14) at the upper part of a door groove (13) of the diversion tunnel plugging gate (1), and a stepped structure with an inlet runner (16) lower than an in-tunnel runner (17) is adopted at the lower part of the door groove (13) of the diversion tunnel plugging gate (.
2. The improved structure of the plugging gate of the high-narrow large-hole diversion tunnel according to claim 1, characterized in that: the split door leaves (2) are longitudinally and symmetrically arranged.
3. The improved structure of the plugging gate of the high-narrow large-hole diversion tunnel according to claim 1, characterized in that: the upstream end surface of the step-shaped structure is provided with a lower transverse rail (18) corresponding to the position of the lower transverse continuous supporting slideway (11).
4. The improved structure of the plugging gate of the high-narrow large-hole diversion tunnel according to claim 1, characterized in that: vertical supporting rails (19) corresponding to the vertical supporting slide ways (12) are arranged on two sides of the door slot (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021379620.8U CN212896241U (en) | 2020-07-14 | 2020-07-14 | Improved structure of high-narrow large-hole diversion tunnel plugging gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021379620.8U CN212896241U (en) | 2020-07-14 | 2020-07-14 | Improved structure of high-narrow large-hole diversion tunnel plugging gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212896241U true CN212896241U (en) | 2021-04-06 |
Family
ID=75287744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021379620.8U Active CN212896241U (en) | 2020-07-14 | 2020-07-14 | Improved structure of high-narrow large-hole diversion tunnel plugging gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212896241U (en) |
-
2020
- 2020-07-14 CN CN202021379620.8U patent/CN212896241U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212896241U (en) | Improved structure of high-narrow large-hole diversion tunnel plugging gate | |
| CN109853488B (en) | Water sealing method and device for down-the-hole overhaul gate of tail water cooler | |
| CN204919496U (en) | Integral type pump station gate trash rack bars piece | |
| CN105064293A (en) | Integrated pump station gate trash rack sheet and manufacturing, construction and use methods thereof | |
| CN105064286A (en) | Water-blocking trash rack damper for pump station and manufacturing, constructing and using methods thereof | |
| CN205296096U (en) | High strength hydraulic pressure dam | |
| CN210975755U (en) | Two-way sealing device of formula plane gate is revealed to top | |
| CN111287153A (en) | Automatic water discharge gate for dam | |
| CN105155482A (en) | Hydraulic dam with built-in driving and supporting mechanism and application method of hydraulic dam | |
| CN205088644U (en) | Built -in drive supporting mechanism hydraulic pressure dam | |
| CN106836153B (en) | Method and device for discharging ecological flow by using existing plugging gate | |
| CN211113522U (en) | Down-the-hole radial gate pre-pressing type top water seal device | |
| CN210262967U (en) | Energy dissipation structure of diversion tunnel plug | |
| CN219508509U (en) | Multiple sealing device for steel dam gate | |
| CN212452505U (en) | Gate slot device suitable for different types of flat gates | |
| CN110541407A (en) | Large-hole down-the-hole arc door capable of preventing water burst | |
| CN209603095U (en) | Oblique stand alone type flood discharging tunnel water inlet tower structure | |
| CN212803094U (en) | Novel lifting lug for deep well pump lifting pipe | |
| CN219569981U (en) | Metal grid door set for nuclear power | |
| CN204940210U (en) | A kind of pumping plant blocks water trashrack | |
| CN111236179A (en) | Method and structure for improving surge impact resistance of radial gate | |
| CN210975748U (en) | Automatic lifting gate applied to hydraulic and hydroelectric engineering and landscape engineering | |
| CN110894717A (en) | Gate combining blocking and discharging of diversion tunnel | |
| CN221029982U (en) | Water stopping structure of concrete gravity dam | |
| CN205000302U (en) | Pump station trash rack flashboard that blocks water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |