CN107119654B - Support structure for top-down and sliding bracket of sudden expansion body and top-down sliding method - Google Patents
Support structure for top-down and sliding bracket of sudden expansion body and top-down sliding method Download PDFInfo
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- CN107119654B CN107119654B CN201710448701.5A CN201710448701A CN107119654B CN 107119654 B CN107119654 B CN 107119654B CN 201710448701 A CN201710448701 A CN 201710448701A CN 107119654 B CN107119654 B CN 107119654B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02C—SHIP-LIFTING DEVICES OR MECHANISMS
- E02C5/00—Mechanisms for lifting ships vertically
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Abstract
The invention relates to a support structure for a sudden expansion body to lift and slide and a method for the bracket to lift and slide. The bracket supporting structures are divided into two types, two groups of first type brackets are arranged at the bottom of the downstream surface of the sudden expansion body, and two groups of second type brackets are arranged at the bottom of the upstream surface of the sudden expansion body; the first type bracket comprises a first plate, the first plate is fixedly welded on the side wall of the bottom of the downstream surface of the sudden expansion body, second plates are welded on two outer sides of the first plate, and a fifth plate is welded at the bottom of the second plate; this top is fallen and is slided corbel bearing structure and can support whole sudden expansion body, has guaranteed the whole sudden expansion body of jacking that the pneumatic cylinder can be smooth, can transversely promote whole sudden expansion body moreover, finally realizes the adjustment of its mounted position.
Description
Technical Field
The invention relates to the field of auxiliary installation equipment of large structural members of a hydraulically driven ship lift, in particular to a support structure of a sudden expansion body for jacking and sliding brackets and a jacking and sliding method.
Background
The hydraulically driven ship lift is a novel vertical ship lift with independent intellectual property for the first time in China, is built on the right dam section of scenic flood and hydropower junction engineering in the downstream of the Xishuangbanna, lanuguan in Yunnan province, and has the design annual throughput of 135.8 multiplied by 104t, the maximum over-dam ship tonnage of 300t (500 t in the long term), the maximum lifting height of 67.2m and the total weight of a water-carrying ship compartment of 3200t; the construction of the scenic flood ship lift greatly promotes the border trade between border countries and the Pu' er tea city in Yunnan;
the hydraulic ship lift is a vertical ship lift with hydraulic floating torque balance weight, and has the basic principle that the balance weight is made into a floating cylinder with proper weight and volume, the weight of the floating cylinder is greater than the total weight of a ship bearing chamber, the buoyancy of the floating cylinder is changed by adjusting the water inlet depth of the floating cylinder, and the difference generated between the weight of the ship bearing chamber and the weight of the floating cylinder is utilized to drive the ship bearing chamber to lift and run, the running speed of the ship bearing chamber is controlled by the speed of water filling and draining in a vertical shaft, and the hydraulic ship lift for flood control mainly comprises a civil engineering structure, a hydraulic system, a mechanical system, a control system and the like.
The sudden expansion body is an important component of a water delivery system of the ship lift, is a large damping steel water tank structure arranged behind a water filling valve on a steel pipe of the water delivery system, and has the function of obviously reducing the cavitation phenomenon in the flow control of the water delivery system; is one of the key construction techniques of the water delivery system of the hydraulic ship lift. The sudden expansion body is arranged in an underground valve chamber with the depth of 76m, closed hole installation is carried out, the total amount is 208t, the distance from an installation base surface is 0.6m, and the sudden expansion body shock absorption water tank steel structure (length, width, height =12740, 6140 and 6520). Assembling the sudden expansion body in the cavern in a block assembling mode, and after the assembling is finished, because the sudden expansion body has an installation elevation which is 0.6m away from the ground, descending operation needs to be carried out on the sudden expansion body from an original assembling platform, and the sudden expansion body is gradually descended in a jacking-descending mode until the sudden expansion body is consistent with an installation reference; and because the total weight is heavier after the water tank steel construction is assembled, can't use the hoist and mount moreover, consequently need design a top and fall and slide bearing structure, and then conveniently use with the cooperation of pneumatic cylinder system and accomplish its top and fall the operation.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a sudden expansion body jacking and sliding bracket supporting structure which can support the whole sudden expansion body, ensure that a hydraulic cylinder can smoothly jack the whole sudden expansion body, transversely push the whole sudden expansion body and finally realize the adjustment of the installation position of the sudden expansion body.
In order to solve the technical problems, the invention provides the following technical scheme: suddenly expand body top and descend and the bracket bearing structure that slides, it includes suddenly the body that expands, the outer wall that expands the body suddenly is provided with netted strengthening rib, and the welding has bracket bearing structure in the four corners position of suddenly expanding body bottom.
The bracket supporting structures are divided into two types, two groups of first type brackets are arranged at the bottom of the downstream surface of the sudden expansion body, and two groups of second type brackets are arranged at the bottom of the upstream surface of the sudden expansion body;
the first type bracket comprises a first plate, the first plate is fixedly welded on the side wall of the bottom of the downstream surface of the sudden expansion body, second plates are welded on two outer sides of the first plate, and a fifth plate is welded at the bottom of the second plate;
the bracket of the second type comprises a first plate, wherein the first plate is welded and fixed on the side wall of the bottom of the upstream face of the sudden expansion body, a third plate is welded on two outer sides of the first plate, a fifth plate is welded at the bottom of the second plate, and a fourth plate is welded on the outer side face of the third plate.
The first plate, the second plate, the third plate, the fourth plate and the fifth plate are all formed by cutting steel plate materials.
A first inner transition circular arc and a first outer transition circular arc are processed on the first plate, the first inner transition circular arc is attached to the outer wall of the sudden expansion body, and a welding groove is processed at the contact position.
And a second inner transition circular arc is processed on the second plate, the second inner transition circular arc is matched and welded with the first outer transition circular arc of the first plate, and a welding groove is processed at the welded edge.
And a third inner transition circular arc is processed on the third plate, the third inner transition circular arc is matched and welded with the first outer transition circular arc of the first plate, and a welding groove is processed at the edge of the welding.
And the fourth plate and the fifth plate are both made of rectangular plates.
The bottom of the sudden expansion body is provided with four first supporting piers; a second support pier is arranged at the bottom of the bracket support structure; the first supporting pier and the second supporting pier are formed by stacking a plurality of layers of base plate materials.
The jacking and sliding method of any sudden expansion body jacking and sliding bracket supporting structure is characterized by comprising the following steps of:
1) The sudden expansion body jacking and descending sliding equipment and the tool are in place;
2) Jacking the protruding broad body to leave the platform;
3) Dismantling the assembled welding steel platform;
4) The whole sudden expansion body is jacked and descended and falls to the ground;
5) The whole sudden expansion body slides downstream;
6) The sudden expansion body slides in place;
7) Assembling and reinforcing welding the sudden expansion body supporting steel beam;
8) Welding and repairing a downstream water outlet pipe orifice, and installing and welding an upstream water inlet flange;
9) And (6) checking and accepting the whole body.
The detailed operation steps of the steps 1) to 3) are as follows:
1.1 small-amount jacking:
1.1.1 under the sudden expansion and 4 jacking-descending corbels, respectively supporting and cushioning 2 cushion piers and 3 thin cushion plates with the thickness of 20 mm; the total height of the pad pier and the pad plate is 460mm; the maximum stroke of the oil cylinder is 200mm;
1.1.2 arranging a hydraulic jack on a pad pier below the bracket to tightly push the bracket;
1.1.3 under each 2 cross points of the outer wrapping beams on the left side and the right side of the sudden expansion body, respectively supporting and cushioning 1 300mm high buttress, 1 mm high buttress, 4 20mm rear thin base plates, and the total height of the buttress and the base plates is 580mm;
1.1.4 operating a hydraulic jack to synchronously lift, slowly lifting the protruding body, reading the steel ruler fixed on the upper edges of the 4 supporting legs, and ensuring that the synchronous deviation is not more than 2mm; synchronously jacking for 5mm, maintaining the pressure for 10 minutes, observing whether the falling exists or not, and then jacking to 40mm;
1.1.5 arranging 2 sets of pairs of wedges on the base plates at the bottoms of the left side and the right side of the sudden expansion body, and arranging the wedges in an upstream direction and a downstream direction and tightening the wedges;
1.2 dismantling the assembly welding steel platform:
1.2.1 the assembly welding steel platform is divided into 12 sections of 600mm I-beams, 8 sections of 20# I-beams and a foundation edition sodium; after the last two large sections slide in place, the 4 sections of I-shaped Liang Diaochu valve chambers below the object hanging holes can be detached; the rest platforms are cut off one by one after the sudden expansion body is jacked up;
1.2.2 the main means for dismantling the steel platform adopts an upstream valve chamber 20t bridge machine;
1.2.3 the sudden expansion body is jacked up to be separated from the assembly welding platform, a buried plate on the original ground is used as an anchor point, a fixed pulley is hung, steel wire ropes are threaded to hang I-shaped beams one by one, and the beams are pulled out of the lower part of the sudden expansion body;
1.2.4 under the sudden expansion body Fang Qingli clean; and (4) comprehensively polishing the surface of the ground support steel beam and smearing lubricating grease.
The detailed operation steps of the step 4) are as follows:
1.1, respectively withdrawing the pair wedges, and reducing the clearance between the pair wedges and the sudden expansion body by 2-3mm; measuring the reading by using a steel ruler;
1.2 operating 4 oil cylinders simultaneously to slightly release pressure, so that the sudden-expansion body falls by 2-3mm; reading by using a scale fixed on the protruding body;
1.3 retreating the wedge again, and reducing the gap between the wedge and the sudden expansion body by 2-3mm; operating the oil cylinder for micro pressure relief at the same time again;
1.4 adjusting the gap amount of the pair-withdrawing wedge according to the actual condition; if the wedge is difficult to retreat, reverse inching operation is adopted;
1.5 processing the oil cylinder by the method, and carefully operating to ensure that the synchronous deviation of 4 oil cylinders is not more than 5mm; reducing the backing plates by 20mm piece by piece, replacing the pad pier with 200mm into a pad pier with 100mm when the backing plates are lowered to the stroke of 100mm, and then jacking and lowering again;
1.6 the maximum stroke of the oil cylinder is 200mm; through pressure relief, after the oil cylinder is contracted to the bottom, 4 pad piers at the bottom of the sudden expansion body are stressed; withdrawing the cushion pier with the height of 400mm at the bottom of the oil cylinder, replacing the cushion pier with the height of 200mm, placing the oil cylinder on the cushion pier again, jacking up the sudden expansion body by a small amount, and adjusting the gap amount between the bottom of the sudden expansion body and the counter wedge; continuing to carry out jacking and descending sudden expansion;
1.7 until the whole sudden expansion body is stably descended to the ground, and the total stroke is 640mm.
The invention has the following beneficial effects:
through the bottom installation bracket bearing structure at the sudden-expansion body, can carry out effectual jacking to the sudden-expansion body with the help of four hydraulic jack, through the second type bracket that sets up, can carry out the operation of side direction top shifting to the sudden-expansion body moreover.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention.
Fig. 3 is a plan view of a first plate member of the present invention.
Fig. 4 is a plan view of a second plate member of the present invention.
Fig. 5 is a plan view of a third plate of the present invention.
Fig. 6 is a plan view of a fourth plate member of the present invention.
Fig. 7 is a plan view of a fifth plate member of the present invention.
FIG. 8 is a schematic view of the overall structure of the sudden-expansion body of the present invention.
Fig. 9 (a), (b), and (c) are schematic diagrams of a cylinder stroke jacking process in the jacking process.
FIG. 10 (a), (b) and (c) are schematic diagrams of the two cylinder stroke jacking and lowering processes in the jacking and lowering processes.
Fig. 11 (a), (b), and (c) are schematic diagrams of the three cylinder stroke jacking process in the jacking process.
In the figure: the plate comprises a first plate 1, a second plate 2, a third plate 3, a fourth plate 4, a fifth plate 5, a sudden expansion body 6, a reticular reinforcing rib 7, a second support pier 8, a first support pier 9, a downstream surface 10 and an upstream surface 11.
In the figure: p1 is a vertical vertex; p2 is the horizontal slip vertex.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-7, the bracket supporting structure for supporting and sliding the sudden expansion body comprises a sudden expansion body 6, wherein the outer wall of the sudden expansion body 6 is provided with a reticular reinforcing rib 7, and four corners of the bottom of the sudden expansion body 6 are welded with the bracket supporting structure.
Further, the bracket supporting structure is divided into two types, two groups of brackets of the first type are arranged at the bottom of the downstream surface 10 of the sudden expansion body 6, and two groups of brackets of the second type are arranged at the bottom of the upstream surface 11 of the sudden expansion body 6; can guarantee to carry out vertical jacking to expanding body 6 suddenly through first type bracket structure, can carry out the lateral shifting jacking to expanding body 6 suddenly through second type bracket.
Further, the first type bracket comprises a first plate 1, the first plate 1 is fixedly welded on the bottom side wall of the downstream surface 10 of the sudden expansion body 6, second plates 2 are welded on two outer sides of the first plate 1, and a fifth plate 5 is welded at the bottom of the second plate 2; the structure is simplified while the structural strength is ensured by welding a plurality of plates.
Further, the bracket of the second type comprises a first plate 1, the first plate 1 is welded and fixed on the side wall of the bottom of the upstream surface 11 of the sudden expansion body 6, third plates 3 are welded on two outer sides of the first plate 1, a fifth plate 5 is welded at the bottom of the second plate 2, and a fourth plate 4 is welded on the outer side surface of the third plate 3.
Further, the first plate 1, the second plate 2, the third plate 3, the fourth plate 4 and the fifth plate 5 are all cut from a steel plate material. The design process is simplified by using a plurality of plates.
Further, a first inner transition arc 101 and a first outer transition arc 102 are formed on the first plate 1, the first inner transition arc 101 is attached to the outer wall of the sudden expansion body 6, and a welding groove is formed at the contact position. The welding strength is ensured by arranging the welding groove.
Further, a second inner transition arc 201 is processed on the second plate 2, the second inner transition arc 201 is welded with the first outer transition arc 102 of the first plate 1 in a matching manner, and a welding groove is processed on the welded edge. The structural strength of the steel pipe is ensured by welding the groove.
Further, a third inner transition arc 301 is processed on the third plate 3, the third inner transition arc 301 is welded with the first outer transition arc 102 of the first plate 1 in a matching manner, and a welding groove is processed on the welded edge.
Further, the fourth plate 4 and the fifth plate 5 are both made of rectangular plates. The rectangular plate is adopted to ensure the normal operation of jacking.
Further, four first supporting piers 9 are arranged at the bottom of the sudden expansion body 6; the bottom of the bracket supporting structure is provided with a second supporting pier 8; the first supporting pier 9 and the second supporting pier 8 are formed by stacking a plurality of layers of cushion plate materials.
Example 2:
referring to fig. 8-11, a method for jacking and sliding a support structure of a sudden expansion body and a sliding bracket is characterized by comprising the following steps:
1) The sudden expansion body jacking and descending sliding equipment and the tool are in place;
2) Jacking the protruding broad body to leave the platform;
3) Dismantling the assembled welding steel platform;
4) The whole sudden expansion body is jacked and descended and falls to the ground;
5) The whole sudden expansion body slides downstream;
6) The sudden expansion body slides in place;
7) Assembling and reinforcing welding the sudden expansion body support steel beam;
8) Welding and repairing a downstream water outlet pipe orifice, and installing and welding an upstream water inlet flange;
9) And (6) checking and accepting the whole body.
The detailed operation steps of the steps 1) to 3) are as follows:
1.1 small-amount jacking:
1.1.1 under the sudden expansion and 4 jacking-descending corbels, respectively supporting and cushioning 2 cushion piers and 3 thin cushion plates with the thickness of 20 mm; the total height of the pad pier and the pad plate is 460mm; the maximum stroke of the oil cylinder is 200mm;
1.1.2 arranging a hydraulic jack on a pad pier below the bracket to tightly push the bracket;
1.1.3 under each 2 cross points of the outer wrapping beams on the left side and the right side of the sudden expansion body, respectively supporting and cushioning 1 300mm high buttress, 1 mm high buttress, 4 20mm rear thin base plates, and the total height of the buttress and the base plates is 580mm;
1.1.4 operating a hydraulic jack to synchronously lift, slowly lifting the protruding body, reading the steel ruler fixed on the upper edges of the 4 supporting legs, and ensuring that the synchronous deviation is not more than 2mm; synchronously jacking for 5mm, maintaining the pressure for 10 minutes, observing whether the falling exists or not, and then jacking to 40mm;
1.1.5 arranging 2 sets of pairs of wedges on the base plates at the bottoms of the left side and the right side of the sudden expansion body, and arranging the wedges in an upstream direction and a downstream direction and tightening the wedges;
1.2 dismantling the assembly welding steel platform:
1.2.1 the assembly welding steel platform is divided into 12 sections of 600mm I-beams, 8 sections of 20# I-beams and a foundation edition sodium; after the last two large sections slide in place, the 4 sections of I-shaped Liang Diaochu valve chambers below the object hanging holes can be detached; the rest platforms are cut off one by one after the sudden expansion body is jacked up;
1.2.2 the main means for dismantling the steel platform adopts an upstream valve chamber 20t bridge machine;
1.2.3 the sudden expansion body is jacked up to be separated from the assembly welding platform, a buried plate on the original ground is used as an anchor point, a fixed pulley is hung, steel wire ropes are threaded to hang I-shaped beams one by one, and the beams are pulled out of the lower part of the sudden expansion body;
1.2.4 under the sudden expansion body Fang Qingli clean; and (4) comprehensively polishing the surface of the ground support steel beam and smearing lubricating grease.
The detailed operation steps of the step 4) are as follows:
1.1, respectively withdrawing the pair wedges, and reducing the clearance between the pair wedges and the sudden expansion body by 2-3mm; measuring the reading by using a steel ruler;
1.2 operating 4 oil cylinders simultaneously to slightly release pressure, so that the sudden-expansion body falls by 2-3mm; reading by using a scale fixed on the protruding body;
1.3 retreating the wedge again, and reducing the gap between the wedge and the sudden expansion body by 2-3mm; operating the oil cylinder for micro pressure relief at the same time again;
1.4 adjusting the gap amount of the pair-withdrawing wedge according to the actual condition; if the wedge is difficult to retreat, reverse inching operation is adopted;
1.5 processing the oil cylinder by the method, and carefully operating to ensure that the synchronous deviation of 4 oil cylinders is not more than 5mm; reducing the backing plates by 20mm piece by piece, replacing the pad pier with 200mm into a pad pier with 100mm when the backing plates are lowered to the stroke of 100mm, and then jacking and lowering again;
1.6 the maximum stroke of the oil cylinder is 200mm; after the oil cylinder is contracted to the bottom through pressure relief, 4 pad piers at the bottom of the sudden expansion body bear force; withdrawing the cushion pier with the height of 400mm at the bottom of the oil cylinder, replacing the cushion pier with the height of 200mm, placing the oil cylinder on the cushion pier again, jacking a small amount of the sudden expansion body, and adjusting the gap between the bottom of the sudden expansion body and the counter wedge; continuing to carry out jacking and descending sudden expansion;
1.7 until the whole sudden expansion body is stably descended to the ground, and the total stroke is 640mm.
The working process and the working principle of the invention are as follows:
when the sudden expansion body 6 needs to be jacked down, firstly, a bracket supporting structure is fixed on four corners of the sudden expansion body 6 in a welding mode, then, the bracket supporting structure is fixed on a second supporting pier 8 through jacks, a fifth plate 5 supported by the bracket is contacted and jacked through four hydraulic jacks, in the jacking starting stage, in order to guarantee safety of the sudden expansion body, a plurality of layers of backing plates are padded at the bottom of the sudden expansion body 6 to form a first supporting pier 9 and support the first supporting pier 9, then, the first supporting pier 9 is jacked up, the backing plates on the first supporting pier 9 are removed after jacking to a certain height, the sudden expansion body 6 is lowered and supported on the second supporting pier 8 again, the backing plates of the second supporting pier 8 are removed, the height of the hydraulic jack is lowered, the hydraulic jack is lifted up again, the backing plates are removed again, the height of the first supporting pier 9 is lowered again, the sudden expansion body 6 is lowered again, supported on the second supporting pier 8, the backing plates of the second supporting pier 8 are removed again, the jacking and the whole hydraulic jack is lowered and jacked to the ground.
When the sudden expansion body 6 needs to be moved laterally, the hydraulic jack is only required to be used for propping against the side surface of the fifth plate 5 of the bracket supporting structure of the sudden expansion body 6, and then the sudden expansion body 6 is pushed and moved laterally.
From the above description, those skilled in the art can make various changes and modifications within the scope of the technical idea of the present invention without departing from the scope of the invention. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (4)
1. Suddenly expand body top and descend and bracket bearing structure slides, its characterized in that: the external-cavity expansion joint comprises a sudden expansion body (6), wherein the outer wall of the sudden expansion body (6) is provided with a reticular reinforcing rib (7), and four corners of the bottom of the sudden expansion body (6) are welded with bracket supporting structures;
the bracket supporting structure is divided into two types, two groups of brackets of the first type are arranged at the bottom of the downstream surface (10) of the sudden expansion body (6), and two groups of brackets of the second type are arranged at the bottom of the upstream surface (11) of the sudden expansion body (6);
the first type bracket comprises a first plate (1), the first plate (1) is fixedly welded on the side wall of the bottom of the downstream surface (10) of the sudden expansion body (6), second plates (2) are welded on two outer sides of the first plate (1), and a fifth plate (5) is welded at the bottom of each second plate (2);
the bracket comprises a first plate (1), the first plate (1) is fixedly welded to the side wall of the bottom of the upstream face (11) of the sudden expansion body (6), third plates (3) are welded to the two outer sides of the first plate (1), a fifth plate (5) is welded to the bottom of each third plate (3), and a fourth plate (4) is welded to the outer side face of each third plate (3);
a first inner transition arc (101) and a first outer transition arc (102) are processed on the first plate (1), the first inner transition arc (101) is attached to the outer wall of the sudden expansion body (6), and a welding groove is processed at the contact position;
a second inner transition arc (201) is processed on the second plate (2), the second inner transition arc (201) is matched and welded with the first outer transition arc (102) of the first plate (1), and a welding groove is processed on the welded edge;
a third inner transition arc (301) is processed on the third plate (3), the third inner transition arc (301) is welded with the first outer transition arc (102) of the first plate (1) in a matched manner, and a welding groove is processed at the welded edge;
the bottom of the sudden expansion body (6) is provided with four first supporting piers (9); a second support pier (8) is arranged at the bottom of the bracket support structure; the first supporting pier (9) and the second supporting pier (8) are formed by stacking a plurality of layers of base plate materials.
2. The sudden-expansion body jacking and sliding bracket supporting structure according to claim 1, wherein: the first plate (1), the second plate (2), the third plate (3), the fourth plate (4) and the fifth plate (5) are all formed by cutting steel plate materials.
3. The sudden-expansion body jacking and sliding bracket supporting structure according to claim 1, wherein: the fourth plate (4) and the fifth plate (5) are both made of rectangular plates.
4. The method for jacking and sliding the support structure of the sudden expansion body and the sliding bracket is characterized by comprising the following steps of:
1) The sudden expansion body jacking and descending sliding equipment and the tool are in place;
2) Jacking the protruding broad body to leave the platform;
3) Dismantling the assembled welding steel platform;
4) The whole sudden expansion body is jacked and descended and falls to the ground;
5) The whole sudden expansion body slides downstream;
6) The sudden expansion body slides in place;
7) Assembling and reinforcing welding the sudden expansion body support steel beam;
8) Welding and repairing a downstream water outlet pipe orifice, and installing and welding an upstream water inlet flange;
9) And (6) checking and accepting the whole body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448701.5A CN107119654B (en) | 2017-06-14 | 2017-06-14 | Support structure for top-down and sliding bracket of sudden expansion body and top-down sliding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710448701.5A CN107119654B (en) | 2017-06-14 | 2017-06-14 | Support structure for top-down and sliding bracket of sudden expansion body and top-down sliding method |
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| CN107119654B true CN107119654B (en) | 2022-12-02 |
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Citations (4)
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|---|---|---|---|---|
| FR2981671A1 (en) * | 2011-10-21 | 2013-04-26 | Eurodim Sa | INSTALLATION FOR VERTICAL CROSSING OF THE DENIVELEE OF A WATER STAIRCASE BETWEEN A HIGH BIEF AND A BIEF LOW, FOR BOATS |
| CN104746860A (en) * | 2013-12-26 | 2015-07-01 | 青岛安装建设股份有限公司 | Water tank cast-in-site method of inverted conical shell water tower cable-stayed formwork in air |
| CN206052675U (en) * | 2016-08-30 | 2017-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of seat structure of vertical ship lift locking device hydraulic push rod |
| CN206800358U (en) * | 2017-06-14 | 2017-12-26 | 中国葛洲坝集团机电建设有限公司 | Sudden expansion body top drops and sliding corbels support structure |
-
2017
- 2017-06-14 CN CN201710448701.5A patent/CN107119654B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2981671A1 (en) * | 2011-10-21 | 2013-04-26 | Eurodim Sa | INSTALLATION FOR VERTICAL CROSSING OF THE DENIVELEE OF A WATER STAIRCASE BETWEEN A HIGH BIEF AND A BIEF LOW, FOR BOATS |
| CN104746860A (en) * | 2013-12-26 | 2015-07-01 | 青岛安装建设股份有限公司 | Water tank cast-in-site method of inverted conical shell water tower cable-stayed formwork in air |
| CN206052675U (en) * | 2016-08-30 | 2017-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of seat structure of vertical ship lift locking device hydraulic push rod |
| CN206800358U (en) * | 2017-06-14 | 2017-12-26 | 中国葛洲坝集团机电建设有限公司 | Sudden expansion body top drops and sliding corbels support structure |
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| Title |
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| 水力驱动式垂直升船机在水利枢纽工程中的应用;吉勇;《珠江水运》;20151130(第22期);全文 * |
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