CN110984081A - Arrangement method and structure of high slope tail water tunnel outlet maintenance gate - Google Patents
Arrangement method and structure of high slope tail water tunnel outlet maintenance gate Download PDFInfo
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- CN110984081A CN110984081A CN201911166814.1A CN201911166814A CN110984081A CN 110984081 A CN110984081 A CN 110984081A CN 201911166814 A CN201911166814 A CN 201911166814A CN 110984081 A CN110984081 A CN 110984081A
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- gate
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- maintenance
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000012423 maintenance Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007689 inspection Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses an arrangement method and a structure of a high slope tail water hole outlet maintenance gate, wherein the central line of a gate slot of a group of maintenance gates at the tail water hole outlet is vertical to or inclined with the central line of the tail water hole; a pair of gantry crane rails parallel to the central line of the gate slot are arranged on the tail water overhaul platform at two sides of the gate slot, a gate garage is arranged on the tail water overhaul platform between the two gantry crane rails, and the overhaul gate is normally stored in the gate garage and protected by a cover plate; and excavating a cave in a mountain body at the end of the portal crane track, and normally storing the portal crane in the cave. The invention avoids the damage of rock rolling and the like to the gate, the opening and closing equipment and the like, and effectively improves the safety of the high slope tail water tunnel outlet for overhauling the gate and the opening and closing equipment.
Description
Technical Field
The invention relates to an arrangement method and a structure of a high slope tail water tunnel outlet maintenance gate, and belongs to the technical field of hydraulic and hydroelectric engineering metal structures.
Background
For the tail water tunnel export maintenance gate, in order to reduce the excavation volume, generally adopt the operation of fixed hoist engine, fixed hoist engine is placed on the concrete framed bent, because of adopting the mode of arranging of "a door a machine", the gate operation is more convenient, and this is more reasonable technical scheme to stable and not abrupt water and electricity engineering of side slope. However, for the exit of the tail water tunnel of the high slope, rock rolling is easy to cause damages to the bent, the fixed winch, the gate and the like due to the poor stability of the slope, 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 high slope tail gate exit overhaul gate, which are operated by a portal crane, excavate a cave at the end of a portal crane track for storing the portal crane, enable the gate to be stored in a portal storehouse at ordinary times and protected by a cover plate, prevent damages of the gate and the portal crane caused by rolling stones and the like, and further improve the safety of the high slope tail gate exit overhaul gate and the portal crane and solve the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to an arrangement method of a high slope tail water hole outlet maintenance gate, which comprises the following steps that the central line of gate slots of a group of maintenance gates at the tail water hole outlet is vertical to or inclined with the central line of the tail water hole, and when the central lines of the gate slots of the group of maintenance gates are superposed with the horizontal straight line A, the maintenance gates are operated by a one-way door machine; when the central line of the gate slot of a group of maintenance gates coincides with the horizontal straight line A and the horizontal straight line B respectively, the maintenance gates are operated by a bidirectional gate machine; a pair of gantry crane rails parallel to the central line of the gate slot are arranged on the tail water overhaul platform at two sides of the gate slot, a gate garage is arranged on the tail water overhaul platform between the two gantry crane rails, and the overhaul gate is normally stored in the gate garage and protected by a cover plate; a cave is excavated in a mountain body at the end of the portal crane track, the portal crane track extends into the cave, and the one-way portal crane or the two-way portal crane is normally stored in the cave.
In the method, when the central line of the gate slot of a group of maintenance gates at the outlet of the tail water tunnel is perpendicular to the central line of the tail water tunnel, the central line of the gate slot of an odd number of maintenance gates in the group of maintenance gates can be coincided with the horizontal straight line A; the central line of the gate slot of an even number of the maintenance gates in the group of maintenance gates can also be coincided with the horizontal straight line B; the maintenance gate is operated by a bidirectional gate machine.
And when the excavated volume of the mountain is not large, arranging the door storehouse in the cave.
And (4) coinciding the central line of the door storeroom with the horizontal straight line A.
The central line of the door storehouse for storing the odd number of the overhaul gates is superposed with the horizontal straight line A; and (4) coinciding the central line of the door storehouse for storing the even number of the maintenance gates with the horizontal straight line B, and enabling the horizontal straight line A to be parallel to the horizontal straight line B.
The arrangement structure of the high slope tail water tunnel outlet maintenance gate comprises a group of maintenance gates at the tail water tunnel outlet, wherein the central line of the gate slot of the group of maintenance gates at the tail water tunnel outlet is vertical to or inclined with the central line of the tail water tunnel, and when the central lines of the gate slots of the group of maintenance gates are superposed with the horizontal straight line A, the maintenance gates are driven by a one-way door machine; when the central line of the gate slot of a group of maintenance gates coincides with the horizontal straight line A and the horizontal straight line B respectively, the maintenance gates are driven by a bidirectional gate machine; a pair of gantry crane rails parallel to the central line of the gate slot are arranged on the tail water overhaul platform at two sides of the gate slot, a gate warehouse is arranged on the tail water overhaul platform between the two gantry crane rails, and the overhaul gate is stored in the gate warehouse and is covered with a cover plate; a cave is arranged on the mountain body at the end of the gantry crane track, and the gantry crane track extends into the cave.
The one-way gantry crane or the two-way gantry crane is stored in the cave.
The central line of the door storeroom is superposed with the horizontal straight line A.
The central line of the gate slot of a group of maintenance gates at the outlet of the tail water tunnel is vertical to the central line of the tail water tunnel, and the central line of the gate slot of an odd number of maintenance gates in the group of maintenance gates is superposed with the horizontal straight line A; the central line of the gate slot of an even number of the inspection gates in the group of the inspection gates is superposed with the horizontal straight line B; the maintenance gate is driven by a bidirectional gate machine; the central line of the door storeroom for storing the odd number of the maintenance gates is superposed with the horizontal straight line A; the central line of the door storehouse for storing the even number of the maintenance gates is superposed with the horizontal straight line B; the A horizontal straight line is parallel to the B horizontal straight line.
When the central line of the gate slot of the group of the maintenance gates at the outlet of the tail water tunnel and the central line of the tail water tunnel are obliquely arranged, the angle of the included angle between the central line of the gate slot of the maintenance gate and the central line of the tail water tunnel is smaller than 90 degrees and larger than or equal to 45 degrees.
By adopting the technical scheme, compared with the prior art, the invention excavates the cave storage door machine at the mountain body at the end of the door machine track, stores the gate in the door storehouse when the gate is flat and protects the gate by the cover plate, better avoids the damage of rock rolling and the like to the gate, opening and closing equipment and the like, and effectively improves the safety of the high slope tail water tunnel outlet for overhauling the gate and the opening and closing equipment.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a schematic structural view of embodiment 3 of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
fig. 5 is a sectional view B-B of fig. 3.
The labels in the figures are: 1-maintenance gate, 2-one-way door machine, 3-door groove, 4-tail water maintenance platform, 5-door machine track, 6-door storehouse, 7-cover plate, 8-mountain body, 9-cave, 10-two-way door machine, 11-door groove central line, 12-tail water cave central line, 13-A horizontal straight line and 14-B horizontal straight line.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
According to the arrangement method of the high slope tail water hole outlet maintenance gates, as shown in figures 1 and 4, in the method, the gate slot central line 11 of a group of maintenance gates 1 at the tail water hole outlet is perpendicular to the tail water hole central line 12, and the gate slot central lines 11 of the group of maintenance gates 1 are coincided with a horizontal straight line 13A; the maintenance gate 1 is operated by a one-way gantry crane 2; a pair of gantry crane rails 5 parallel to a central line 11 of the gate slot are arranged on the tail water overhaul platform 4 on two sides of the gate slot 3, a gate warehouse 6 is arranged on the tail water overhaul platform 4 between the two gantry crane rails 5, and the overhaul gate 1 is normally stored in the gate warehouse 6 and protected by a cover plate 7; a cave 9 is excavated in a mountain 8 at the end of the portal crane track 5, the portal crane track 5 extends into the cave 9, and the portal crane 2 is normally stored in the cave 9; the centre line of the door store 6 coincides with the a horizontal straight line 13.
According to another arrangement method of the high slope tail water tunnel exit inspection gates, as shown in fig. 2, in the method, the gate slot central lines 11 of a group of inspection gates 1 at the tail water tunnel exit and the tail water tunnel central line 12 are obliquely arranged, and the gate slot central lines 11 of a group of inspection gates 1 are coincided with a horizontal straight line 13A; the maintenance gate 1 is operated by a one-way gantry crane 2; a pair of gantry crane rails 5 parallel to a central line 11 of the gate slot are arranged on the tail water overhaul platform 4 on two sides of the gate slot 3, a gate warehouse 6 is arranged on the tail water overhaul platform 4 between the two gantry crane rails 5, and the overhaul gate 1 is normally stored in the gate warehouse 6 and protected by a cover plate 7; a cave 9 is excavated in a mountain 8 at the end of the portal crane track 5, the portal crane track 5 extends into the cave 9, and the portal crane 2 is normally stored in the cave 9; the centre line of the door store 6 coincides with the a horizontal straight line 13.
The arrangement method of the high slope tail water hole outlet access gate of the invention is composed as shown in fig. 3 and fig. 5, in the method, the gate slot central line 11 of a group of access gates 1 at the tail water hole outlet is arranged perpendicular to the tail water hole central line 12, wherein the gate slot central line 11 of the odd number of access gates 1 is coincident with the A horizontal straight line 13; the central line 12 of the gate slot of the even number of the inspection gates 1 in the group of the inspection gates 1 is superposed with the horizontal straight line 14 of the B; the maintenance gate 1 is operated by a bidirectional gate machine 10; a pair of gantry crane rails 5 parallel to a central line 11 of the gate slot are arranged on the tail water overhaul platform 4 on two sides of the gate slot 3, a gate warehouse 6 is arranged on the tail water overhaul platform 4 between the two gantry crane rails 5, and the overhaul gate 1 is normally stored in the gate warehouse 6 and protected by a cover plate 7; a cave 9 is excavated in a mountain 8 at the end of the portal crane track 5, the portal crane track 5 extends into the cave 9, and the portal crane 2 is normally stored in the cave 9. The central line of the door storehouse 6 for storing the odd number of the inspection gates 1 is superposed with the horizontal straight line 13A; the central line of the door storehouse 6 for storing the even number of the maintenance gates 1 is superposed with the B horizontal straight line 14; the a horizontal straight line 13 is parallel to the B horizontal straight line 14.
The door house 6 may be installed in the cave 9 when the excavated volume of the mountain 8 is small.
The arrangement structure of the high slope tail water hole outlet maintenance gate formed according to the method comprises a group of maintenance gates 1 at the tail water hole outlet, wherein the gate slot central line 11 of the group of maintenance gates 1 at the tail water hole outlet is perpendicular to or obliquely arranged with the tail water hole central line 12, and when the gate slot central lines 11 of the group of maintenance gates 1 are coincident with the A horizontal straight line 13, the maintenance gates 1 are driven by a one-way gate machine 2; when the central line 11 of the gate slot of a group of the maintenance gates 1 is respectively superposed with the horizontal straight line A13 and the horizontal straight line B14, the maintenance gates 1 are driven by a bidirectional gate machine 10; a pair of gantry crane rails 5 parallel to a central line 11 of the gantry crane is arranged on the tail water overhaul platform 4 on two sides of the gantry crane 3, a gantry crane 6 is arranged on the tail water overhaul platform 4 between the two gantry crane rails 5, and the overhaul gate 1 is stored in the gantry crane 6 and is covered by a cover plate 7; a cave 9 is arranged on a mountain 8 at the end of the gantry crane track 5, and the gantry crane track 5 extends into the cave 9.
The one-way gantry crane 2 or the two-way gantry crane 10 is stored in the cave 9.
The center line of the door storage 6 coincides with the a horizontal straight line 13.
The central line 11 of the gate slot of a group of the inspection gates 1 at the outlet of the tail water tunnel is vertical to the central line 12 of the tail water tunnel, and the central line 11 of the gate slot of the odd inspection gate 1 in the group of the inspection gates 1 is superposed with the horizontal straight line 13A; the central line 12 of the gate slot of the even number of the inspection gates 1 in the group of the inspection gates 1 is superposed with the horizontal straight line 14 of the B; the maintenance gate 1 is driven by a bidirectional gate machine 10; the central line of the door storehouse 6 for storing the odd number of the inspection gates 1 is superposed with the horizontal straight line 13A; the central line of the door storehouse 6 for storing the even number of the maintenance gates 1 is superposed with the B horizontal straight line 14; the a horizontal straight line 13 is parallel to the B horizontal straight line 14.
When the gate slot central line 11 and the tail water tunnel central line 12 of the group of the inspection gates 1 at the outlet of the tail water tunnel are obliquely arranged, the angle of the included angle a between the gate slot central line 11 and the tail water tunnel central line 12 of the inspection gate 1 is smaller than 90 degrees and larger than or equal to 45 degrees.
Example 1
As shown in fig. 1 and 4, the maintenance gate 1 at the outlet of the tail water tunnel adopts an arrangement mode that a gate slot central line 11 is vertical to a tail water tunnel central line 12, and the maintenance gate 1 is operated by a one-way door machine 2; the tail water overhauling platforms 4 on the two sides of the door slot 3 are provided with door machine rails 5 parallel to the central line 11 of the door slot; the tail water overhaul platform 4 between the two gantry crane tracks 5 is provided with a gantry garage 6; the maintenance gate 1 is normally stored in a gate warehouse 6 and protected by a cover plate 7; a cave 9 is dug in a mountain 8 at the end of the gantry crane track 5; the gantry crane track 5 extends into the cave 9; the one-way door machine 2 is normally stored in the cave 9.
Example 2
As shown in figure 2, the maintenance gate 1 at the tail water hole outlet adopts an arrangement mode that a gate slot central line 11 and a tail water hole central line 12 are inclined. The maintenance gate 1 is operated by a one-way gantry crane 2; the tail water overhauling platforms 4 on the two sides of the door slot 3 are provided with door machine rails 5 parallel to the central line 11 of the door slot; the tail water overhaul platform 4 between the two gantry crane tracks 5 is provided with a gantry garage 6; the maintenance gate 1 is normally stored in a gate warehouse 6 and protected by a cover plate 7; a cave 9 is dug in a mountain 8 at the end of the gantry crane track 5; the gantry crane track 5 extends into the cave 9; the one-way door machine 2 is normally stored in the cave 9.
Example 3
As shown in fig. 3 and 5, the service gate 1 at the tail water hole outlet adopts an arrangement mode that the central line 11 of the gate slot is vertical to the central line 12 of the tail water hole. The maintenance gate 1 is operated by a bidirectional gate machine 10; thus, the gate slot centerlines 11 are not on a straight line, the centerlines of the odd gate slots are on a horizontal line A13, and the centerlines of the even gate slots are on another horizontal line B14, with the two lines being parallel but not coincident. Tail water maintenance platforms 4 on two sides of the gate slot 3 are provided with gate machine rails 5 parallel to the center line of the gate slot; a cave 9 is dug in a mountain 8 at the end of the gantry crane track 5; the gantry crane track 5 extends into the cave 9; the bidirectional door machine 10 is normally stored in the cave 9; a door storehouse 6 is arranged in the cave 9; the tail water hole outlet maintenance gate 1 is normally stored in the door storehouse 6 and protected by the cover plate 7.
As shown in fig. 3, the door house 6 in the above example may be installed in the cave 9 when the excavated soil of the mountain 8 is not large.
The arrangement of the tailrace exit overhaul gate meets the requirement of the operation of a gantry crane, the gantry crane is stored in a cave dug in a mountain at the end of a track of the gantry crane, the gate is stored in a door storehouse when being flat and is protected by a cover plate, the damage to the gate, opening and closing equipment and the like caused by rock rolling and the like is avoided, and the storage safety of the tailrace exit overhaul gate and the opening and closing equipment of the high slope is effectively improved.
Claims (10)
1. The utility model provides a high slope tail water tunnel export maintenance gate's arrangement method which characterized in that: in the method, the central line of a gate slot of a group of maintenance gates at the outlet of a tail water tunnel is perpendicular to or obliquely arranged with the central line of the tail water tunnel, and when the central lines of the gate slots of the group of maintenance gates are all superposed with the horizontal straight line A, the maintenance gates are operated by a one-way door machine; when the central line of the gate slot of a group of maintenance gates is respectively superposed with the horizontal straight lines of A and B, the maintenance gates are operated by a bidirectional gate machine; a pair of gantry crane rails parallel to the central line of the gate slot are arranged on the tail water overhaul platform at two sides of the gate slot, a gate garage is arranged on the tail water overhaul platform between the two gantry crane rails, and the overhaul gate is normally stored in the gate garage and protected by a cover plate; a cave is excavated in a mountain body at the end of the portal crane track, the portal crane track extends into the cave, and the one-way portal crane or the two-way portal crane is normally stored in the cave.
2. The arrangement method of the high slope tailrace tunnel exit service gate of claim 1, wherein: when the central line of the gate slot of a group of maintenance gates at the outlet of the tail water tunnel is vertically arranged with the central line of the tail water tunnel, the central line of the gate slot of an odd number of maintenance gates in the group of maintenance gates is superposed with the horizontal straight line A; the central line of the gate slot of the even number of the inspection gates in the group of the inspection gates is coincided with the horizontal straight line B; the maintenance gate is operated by a bidirectional gate machine.
3. The arrangement method of the high slope tailrace tunnel exit service gate according to claim 1 or 2, characterized in that: and when the excavation amount of the mountain is not large, the door storehouse is arranged in the cave.
4. The arrangement method of the high slope tailrace tunnel exit service gate of claim 1, wherein: and (4) coinciding the central line of the door storeroom with the horizontal straight line A.
5. The arrangement method of the high slope tailrace tunnel exit service gate of claim 2, wherein: the central line of a door storehouse for storing odd number of maintenance gates is superposed with the horizontal straight line A; and (4) coinciding the central line of the door storehouse for storing the even number of the maintenance gates with the horizontal straight line B, and enabling the horizontal straight line A to be parallel to the horizontal straight line B.
6. An arrangement structure of a high slope tailrace tunnel exit service gate constructed according to any one of the methods of claims 1-5, comprising a set of service gates (1) of tailrace tunnel exits, characterized in that: the central line (11) of the gate slot of a group of maintenance gates (1) at the outlet of the tail water tunnel is vertical to or inclined with the central line (12) of the tail water tunnel, and when the central lines (11) of the gate slots of a group of maintenance gates (1) are superposed with the horizontal straight line (13) A, the maintenance gates (1) are driven by a one-way door machine (2); when the central line (11) of the gate slot of a group of maintenance gates (1) is respectively superposed with the horizontal straight line (13) A and the horizontal straight line (14) B; the maintenance gate (1) is driven by a bidirectional gate machine (10); a pair of gantry crane tracks (5) parallel to a gantry crane central line (11) is arranged on the tail water overhaul platform (4) on two sides of the gantry crane groove (3), a gantry crane (6) is arranged on the tail water overhaul platform (4) between the two gantry crane tracks (5), and the overhaul gate (1) is stored in the gantry crane (6) and is covered with a cover plate (7); a cave (9) is arranged on a mountain body (8) at the end of the gantry crane track (5), and the gantry crane track (5) extends into the cave (9).
7. The arrangement structure of the high slope tailrace cavern exit service gate of claim 6, characterized in that: the one-way gantry crane (2) or the two-way gantry crane (10) is stored in the cave (9).
8. The arrangement structure of the high slope tailrace cavern exit service gate of claim 6, characterized in that: the central line of the door storehouse (6) is superposed with the A horizontal straight line (13) or the B horizontal straight line (14).
9. The arrangement structure of the high slope tailrace cavern exit service gate of claim 6, characterized in that: the central line (11) of the gate slot of a group of maintenance gates (1) at the outlet of the tail water tunnel is vertical to the central line (12) of the tail water tunnel, and the central line (11) of the gate slot of the odd maintenance gates (1) in the group of maintenance gates (1) is superposed with the horizontal straight line (13) A; the central line (12) of the gate slot of an even number of the inspection gates (1) in the group of the inspection gates (1) is superposed with the horizontal straight line (14) B; the maintenance gate (1) is driven by a bidirectional gate machine (10); the central line of a door storehouse (6) for storing odd number of maintenance gates (1) is superposed with the horizontal straight line (13) A; the central line of a door storehouse (6) for storing even numbers of maintenance gates (1) is superposed with a horizontal straight line (14) B; the A horizontal straight line (13) is parallel to the B horizontal straight line (14).
10. The arrangement structure of the high slope tailrace cavern exit service gate of claim 6, characterized in that: when the gate slot central line (11) of a group of maintenance gates (1) at the outlet of the tail water tunnel and the tail water tunnel central line (12) are obliquely arranged, the angle of the included angle (a) between the gate slot central line (11) of the maintenance gates (1) and the tail water tunnel central line (12) is smaller than 90 degrees and larger than or equal to 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166814.1A CN110984081A (en) | 2019-11-25 | 2019-11-25 | Arrangement method and structure of high slope tail water tunnel outlet maintenance gate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166814.1A CN110984081A (en) | 2019-11-25 | 2019-11-25 | Arrangement method and structure of high slope tail water tunnel outlet maintenance gate |
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| CN110984081A true CN110984081A (en) | 2020-04-10 |
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| CN201911166814.1A Pending CN110984081A (en) | 2019-11-25 | 2019-11-25 | Arrangement method and structure of high slope tail water tunnel outlet maintenance gate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002226170A (en) * | 2001-01-31 | 2002-08-14 | Ishikawajima Harima Heavy Ind Co Ltd | Automatic operating method for changing gate position by gantry crane |
| CN106192913A (en) * | 2016-08-31 | 2016-12-07 | 中国电建集团中南勘测设计研究院有限公司 | A kind of bulkhead gate door library structure and repair method |
| CN109555089A (en) * | 2019-01-04 | 2019-04-02 | 长江勘测规划设计研究有限责任公司 | Oblique stand alone type flood discharging tunnel water inlet tower structure and its construction method |
| CN212052628U (en) * | 2019-11-25 | 2020-12-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Arrangement structure of high slope tail water tunnel export maintenance gate |
-
2019
- 2019-11-25 CN CN201911166814.1A patent/CN110984081A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002226170A (en) * | 2001-01-31 | 2002-08-14 | Ishikawajima Harima Heavy Ind Co Ltd | Automatic operating method for changing gate position by gantry crane |
| CN106192913A (en) * | 2016-08-31 | 2016-12-07 | 中国电建集团中南勘测设计研究院有限公司 | A kind of bulkhead gate door library structure and repair method |
| CN109555089A (en) * | 2019-01-04 | 2019-04-02 | 长江勘测规划设计研究有限责任公司 | Oblique stand alone type flood discharging tunnel water inlet tower structure and its construction method |
| CN212052628U (en) * | 2019-11-25 | 2020-12-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Arrangement structure of high slope tail water tunnel export maintenance gate |
Non-Patent Citations (1)
| Title |
|---|
| 东北电业管理局教材编审委员会等: "《水工机械设备及其检修》", 职工教育出版社, pages: 315 * |
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