CN111139805A - Arrangement method and structure of power station water inlet large-span door machine - Google Patents
Arrangement method and structure of power station water inlet large-span door machine Download PDFInfo
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- CN111139805A CN111139805A CN202010053502.6A CN202010053502A CN111139805A CN 111139805 A CN111139805 A CN 111139805A CN 202010053502 A CN202010053502 A CN 202010053502A CN 111139805 A CN111139805 A CN 111139805A
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- gate
- span
- bidirectional
- groove
- water inlet
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/04—Free-flow canals or flumes; Intakes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
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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
Abstract
The invention discloses an arrangement method and a structure of a large-span gantry crane of a water inlet of a power station, wherein a large-span bidirectional gantry crane is arranged on a water inlet platform of the power station, an upstream supporting leg of the large-span bidirectional gantry crane is arranged on the upstream side of a sewage cleaning rake hopper groove, a downstream supporting leg is arranged on the downstream side of an overhaul gate groove, and a movable bidirectional trolley or a movable bidirectional trolley plus a fixed lifting mechanism is arranged at the upper part of the overhaul gate groove and used for operating a working trash rack, a standby trash rack, a stoplog gate and an overhaul gate; the downstream side of the large-span bidirectional gantry crane is provided with a rotary crane or a cantilever movable trolley which is used as the opening and closing equipment of the rapid gate for installation, maintenance and use. By adopting the method, the working trash rack, the standby trash rack, the stoplog gate and the maintenance gate of the water inlet of the power station are operated by one large-span bidirectional portal crane, compared with the scheme that two portal cranes are arranged in the traditional way, the size of the water inlet along the water flow direction is effectively reduced, the sum of the total weight of one large-span bidirectional portal crane relative to the bidirectional trash cleaning portal crane and the bidirectional portal crane is light, and the engineering investment is effectively saved.
Description
Technical Field
The invention relates to an arrangement method and a structure of a large-span door machine at a water inlet of a power station, and belongs to the technical field of hydraulic and hydroelectric engineering.
Background
At present, in order to reduce the damage of low-temperature water to downstream ecological environment, a layered water taking technology is adopted for the hydropower engineering of a high dam reservoir, a stoplog gate is generally arranged behind a trash rack for layered water taking, so a trash cleaning rake hopper groove, a working trash rack groove, a standby trash rack groove, a stoplog gate groove, a storage gate (gate) groove, an inspection gate groove and a quick gate well are generally arranged in sequence in the water inlet flowing direction of a power station, two door machines are traditionally arranged at the water inlet, one is a bidirectional trash cleaning door machine for opening and closing the working trash rack, the standby trash rack and the stoplog gate, the other is a bidirectional door machine for opening and closing the inspection gate and installing and maintaining the quick gate opening and closing equipment, two door machines are arranged at the water inlet, and a certain safety distance needs to be kept between the bidirectional trash cleaning door machine and the bidirectional door machine for preventing operation interference, which causes the flowing direction size of the water inlet to be larger, the increase of engineering investment is more, so the prior art is still not perfect and needs to be further improved.
Disclosure of Invention
The invention aims to provide an arrangement method and a structure of a power station water inlet large-span door machine, so as to solve the problems in the background technology.
The invention is realized by the following steps:
the arrangement method of the large-span door machine at the water inlet of the power station comprises the following steps: the water inlet platform of the power station is provided with a large-span bidirectional door machine, an upstream support leg of the large-span bidirectional door machine is arranged on the upstream side of a sewage cleaning rake hopper groove, a downstream support leg is arranged on the downstream side of an overhaul gate groove, and a movable bidirectional trolley or the movable bidirectional trolley plus a fixed lifting mechanism is arranged on the upper part of the large-span bidirectional door machine and used for operating a working trash rack, a standby trash rack, a stoplog gate and an overhaul gate; the downstream side of the large-span bidirectional gantry crane is provided with a rotary crane or a cantilever movable trolley which is used as the opening and closing equipment of the rapid gate for installation, maintenance and use.
By adopting the method, the working trash rack, the standby trash rack, the stoplog gate and the maintenance gate of the water inlet of the power station are operated by one large-span bidirectional portal crane, compared with the scheme that two portal cranes are arranged in the traditional way, the size of the water inlet along the water flow direction is effectively reduced, the sum of the total weight of one large-span bidirectional portal crane relative to the bidirectional trash cleaning portal crane and the bidirectional portal crane is light, and the engineering investment is effectively saved.
According to the above method, the arrangement of the present invention is as follows: 1 large-span bidirectional door machine is arranged on an overhaul platform of a water inlet of a power station; a dirt cleaning rake bucket groove, a working trash rack groove, a standby trash rack groove, a stoplog gate groove, a storage gate (grid) groove, an access gate groove and a quick gate well are sequentially arranged at a water inlet of the power station along the water flow direction; the upper reaches landing leg of two-way door machine of large-span sets up in clear soil rake fill groove upstream side, and the lower reaches landing leg sets up in maintenance gate groove downstream side and is located quick gate well upstream side, and upper portion sets up portable two-way dolly or portable two-way dolly + fixed hoist mechanism and is used for operating work trash rack, reserve trash rack, stoplog gate and maintenance gate.
Furthermore, a rotary crane or a cantilever movable trolley is arranged at the downstream side of the large-span bidirectional gantry crane and is used as opening and closing equipment for installing, repairing and maintaining the quick gate;
furthermore, the maintenance platform is provided with an upstream track and a downstream track which are respectively corresponding to the positions of an upstream supporting leg and a downstream supporting leg of the large-span bidirectional gantry crane.
Compared with the prior art, the invention has the following beneficial effects:
the water inlet platform sets up a large-span two-way door machine, large-span two-way door machine upper reaches landing leg sets up in the clear dirt harrow hopper groove upper reaches side, the low reaches landing leg sets up in maintenance gate groove downstream side, upper portion sets up portable two-way dolly or portable two-way dolly + fixed hoist mechanism and is used for operating the work trash rack, reserve trash rack, stoplog gate and maintenance gate, two door machine schemes are arranged to the tradition relatively, the water inlet obtains effective reduction along with rivers to the size, and the total weight sum of the relative two-way clear dirt door machine of a large-span two-way door machine and two-way door machine is light, the engineering investment has effectively been saved.
Drawings
FIG. 1 is a schematic layout of an opening and closing apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view (front view) of a large-span bidirectional door machine according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view (side view) of a large-span bidirectional door machine according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view (attached view) of a large-span bidirectional door machine according to embodiment 1 of the present invention;
FIG. 5 is a schematic layout of an opening and closing apparatus according to embodiment 2 of the present invention;
fig. 6 is a schematic structural view (front view) of a large-span bidirectional door machine according to embodiment 2 of the present invention;
fig. 7 is a schematic structural view (side view) of a large-span bidirectional door machine according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view (attached view) of a large-span bidirectional door machine according to embodiment 2 of the present invention;
FIG. 9 is a schematic layout of an opening and closing apparatus according to embodiment 3 of the present invention;
fig. 10 is a schematic structural view (front view) of a large-span bidirectional door machine according to embodiment 3 of the present invention;
fig. 11 is a schematic structural view (side view) of a large-span bidirectional portal crane according to embodiment 3 of the present invention;
fig. 12 is a schematic structural view (attached view) of a large-span bidirectional door machine according to embodiment 3 of the present invention;
FIG. 13 is a schematic layout of an opening and closing device according to embodiment 4 of the present invention;
fig. 14 is a schematic structural view (front view) of a large-span bidirectional door machine according to embodiment 4 of the present invention;
fig. 15 is a schematic structural view (side view) of a large-span bidirectional door machine according to embodiment 4 of the present invention;
fig. 16 is a schematic structural view (attached view) of a large-span bidirectional door machine according to embodiment 4 of the present invention;
fig. 17 is a sectional view a-a of example 1, example 2, example 3, and example 4 of the present invention.
The labels in the figures are: 1-maintenance platform, 2-large-span two-way gantry crane, 3-decontamination rake bucket groove, 4-working trash rack groove, 5-standby trash rack groove, 6-stoplog gate groove, 7-storage gate (rack) groove, 8-maintenance gate groove, 9-rapid gate well, 10-upstream supporting leg, 11-downstream supporting leg, 12-movable two-way trolley, 13-working trash rack, 14-standby trash rack, 15-stoplog gate, 16-fixed lifting mechanism, 17-maintenance gate, 18-rotary crane, 19-rapid gate, 20-single-cylinder vertical hydraulic machine, 21-upstream track, 22-downstream track and 23-cantilever movable trolley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 4 and fig. 17, first, 1 large-span bidirectional gantry crane 2 is installed on an inspection platform 1 of a water inlet of a power station. A sewage cleaning rake bucket groove 3, a working trash rack groove 4, a standby trash rack groove 5, a stoplog gate groove 6, a storage gate (grid) groove 7, an access gate groove 8 and a quick gate well 9 are sequentially arranged at a water inlet of the power station along the water flow direction; an upstream supporting leg 10 of the large-span bidirectional gantry crane 2 is arranged on the upstream side of the dirt cleaning rake hopper groove 3, a downstream supporting leg 11 is arranged on the downstream side of the overhaul gate groove 8 and is positioned on the upstream side of the quick gate shaft 9, and a movable bidirectional trolley 12 is arranged on the upper portion of the overhaul gate groove and is used for operating a working trash rack 13, a standby trash rack 14 and a stoplog gate 15; a fixed lifting mechanism 16 is arranged on the side of the long-span bidirectional gantry 2 close to the downstream supporting leg 11 for operating an inspection gate 17.
In addition, a rotary crane 18 is arranged at the downstream side of the large-span two-way portal crane 2 and is used for installation, overhaul and maintenance of a single-cylinder vertical hydraulic press 20 of an opening and closing device of a quick gate 19; the maintenance platform 1 is provided with an upstream track 21 and a downstream track 22 corresponding to the positions of the upstream leg 10 and the downstream leg 11 of the long-span bidirectional gantry crane 2, respectively.
Example 2:
as shown in fig. 5 to 8 and fig. 17, first, 1 large-span bidirectional gantry crane 2 is installed on an inspection platform 1 of a water inlet of a power station. A sewage cleaning rake bucket groove 3, a working trash rack groove 4, a standby trash rack groove 5, a stoplog gate groove 6, a storage gate (grid) groove 7, an access gate groove 8 and a quick gate well 9 are sequentially arranged at a water inlet of the power station along the water flow direction; an upstream supporting leg 10 of the large-span bidirectional gantry crane 2 is arranged on the upstream side of the dirt cleaning rake hopper groove 3, a downstream supporting leg 11 is arranged on the downstream side of the overhaul gate groove 8 and is positioned on the upstream side of the quick gate shaft 9, and a movable bidirectional trolley 12 is arranged on the upper portion of the overhaul gate groove and is used for operating a working trash rack 13, a standby trash rack 14 and a stoplog gate 15; a fixed lifting mechanism 16 is arranged on the side of the long-span bidirectional gantry 2 close to the downstream supporting leg 11 for operating an inspection gate 17.
In addition, a cantilever movable trolley 23 is arranged at the downstream side of the large-span two-way portal crane 2 and is used for installing, overhauling and maintaining the single-cylinder vertical hydraulic press 20 as the opening and closing equipment of the quick gate 19; the maintenance platform 1 is provided with an upstream track 21 and a downstream track 22 corresponding to the positions of the upstream leg 10 and the downstream leg 11 of the long-span bidirectional gantry crane 2, respectively.
Example 3:
as shown in fig. 9 to 12 and fig. 17, first, 1 large-span bidirectional gantry 2 is installed on the inspection platform 1 of the power station water inlet. A sewage cleaning rake bucket groove 3, a working trash rack groove 4, a standby trash rack groove 5, a stoplog gate groove 6, a storage gate (grid) groove 7, an access gate groove 8 and a quick gate well 9 are sequentially arranged at a water inlet of the power station along the water flow direction; the upstream landing leg 10 of large-span two-way door machine 2 sets up in the 3 upstream sides of dirt cleaning rake hopper groove, and the low reaches landing leg 11 sets up in 8 downstream sides of maintenance gate groove and lie in quick gate well 9 upstream sides, and upper portion sets up portable two-way dolly 12 and is used for operating work trash rack 13, reserve trash rack 14, stoplog gate 15 and maintenance gate 17.
In addition, a rotary crane 18 is arranged at the downstream side of the large-span two-way portal crane 2 and is used for installation, overhaul and maintenance of a single-cylinder vertical hydraulic machine 20 of an opening and closing device of a quick gate 19. The maintenance platform 1 is provided with an upstream track 21 and a downstream track 22 corresponding to the positions of the upstream leg 10 and the downstream leg 11 of the long-span bidirectional gantry crane 2, respectively.
Example 4:
as shown in fig. 13-17, firstly, 1 large-span bidirectional gantry crane 2 is arranged on an inspection platform 1 of a water inlet of a power station. A sewage cleaning rake bucket groove 3, a working trash rack groove 4, a standby trash rack groove 5, a stoplog gate groove 6, a storage gate (grid) groove 7, an access gate groove 8 and a quick gate well 9 are sequentially arranged at a water inlet of the power station along the water flow direction; the upstream landing leg 10 of large-span two-way door machine 2 sets up in the 3 upstream sides of dirt cleaning rake hopper groove, and the low reaches landing leg 11 sets up in 8 downstream sides of maintenance gate groove and lie in quick gate well 9 upstream sides, and upper portion sets up portable two-way dolly 12 and is used for operating work trash rack 13, reserve trash rack 14, stoplog gate 15 and maintenance gate 17.
In addition, a cantilever movable trolley 23 is arranged at the downstream side of the large-span two-way portal crane 2 and is used for installing, overhauling and maintaining the single-cylinder vertical hydraulic press 20 as the opening and closing equipment of the quick gate 19; the maintenance platform 1 is provided with an upstream track 21 and a downstream track 22 corresponding to the positions of the upstream leg 10 and the downstream leg 11 of the long-span bidirectional gantry crane 2, respectively.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. A method for arranging a large-span gantry crane at a water inlet of a power station is characterized by comprising the following steps: the water inlet platform of the power station is provided with a large-span bidirectional gantry crane (2), an upstream supporting leg (10) of the large-span bidirectional gantry crane (2) is arranged on the upstream side of a sewage cleaning rake hopper groove (3), a downstream supporting leg (11) is arranged on the downstream side of an overhaul gate groove (8), and the upper part of the large-span bidirectional gantry crane is provided with a movable bidirectional trolley (12) or a movable bidirectional trolley (12) + a fixed lifting mechanism (16) for operating a working trash rack (13), a spare trash rack (14), a stoplog gate (15) and an overhaul gate (17); the downstream side of the large-span bidirectional portal crane (2) is provided with a rotary crane (18) or a cantilever movable trolley (23) which is used as an opening and closing device of a quick gate (19) for installation, maintenance and maintenance, so that a working trash rack (13), a standby trash rack (14), a stoplog gate (15) and an overhaul gate (17) of a water inlet of a power station are operated through the large-span bidirectional portal crane (2).
2. An arrangement of large-span door machines at the water inlet of a power plant, implemented according to the method of claim 1, characterized in that: the system comprises an overhaul platform (1) of a water inlet of a power station, wherein 1 large-span two-way gantry crane (2) is arranged on the overhaul platform (1), and a sewage cleaning rake bucket groove (3), a working trash rack groove (4), a standby trash rack groove (5), a stoplog gate groove (6), a storage gate (grid) groove (7), an overhaul gate groove (8) and a quick gate well (9) are sequentially arranged in the water inlet of the power station along the flowing direction of water; the upstream landing leg (10) of large-span two-way door machine (2) sets up in clear soil rake hopper groove (3) upstream side, and low reaches landing leg (11) set up in maintenance gate groove (8) downstream side and lie in quick gate well (9) upstream side, and upper portion sets up portable two-way dolly (12) or portable two-way dolly (12) + fixed hoist mechanism (16) and is used for operating work trash rack (13), reserve trash rack (14), stoplog gate (15) and maintenance gate (17).
3. The arrangement structure of the power station water inlet large-span door machine as claimed in claim 2, characterized in that: the downstream side of the large-span bidirectional gantry crane (2) is provided with a rotary crane (18) or a cantilever movable trolley (23) which is used as an opening and closing device of the quick gate (19) for installation, maintenance and use.
4. The arrangement structure of the power station water inlet large-span door machine as claimed in claim 2, characterized in that: the overhaul platform (1) is provided with an upstream track (21) and a downstream track (22) which respectively correspond to the positions of an upstream supporting leg (10) and a downstream supporting leg (11) of the large-span bidirectional gantry crane (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053502.6A CN111139805A (en) | 2020-01-17 | 2020-01-17 | Arrangement method and structure of power station water inlet large-span door machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053502.6A CN111139805A (en) | 2020-01-17 | 2020-01-17 | Arrangement method and structure of power station water inlet large-span door machine |
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| Publication Number | Publication Date |
|---|---|
| CN111139805A true CN111139805A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010053502.6A Pending CN111139805A (en) | 2020-01-17 | 2020-01-17 | Arrangement method and structure of power station water inlet large-span door machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215020A (en) * | 2022-01-14 | 2022-03-22 | 中国电建集团贵阳勘测设计研究院有限公司 | High-efficient swift stepless layering water intaking gate device |
-
2020
- 2020-01-17 CN CN202010053502.6A patent/CN111139805A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215020A (en) * | 2022-01-14 | 2022-03-22 | 中国电建集团贵阳勘测设计研究院有限公司 | High-efficient swift stepless layering water intaking gate device |
| CN114215020B (en) * | 2022-01-14 | 2022-06-21 | 中国电建集团贵阳勘测设计研究院有限公司 | High-efficient swift stepless layering water intaking gate device |
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