CN102535424A - Full flat type balance vertical ship lift adaptive to ship reception chamber outlet-inlet water - Google Patents
Full flat type balance vertical ship lift adaptive to ship reception chamber outlet-inlet water Download PDFInfo
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- CN102535424A CN102535424A CN2012100319126A CN201210031912A CN102535424A CN 102535424 A CN102535424 A CN 102535424A CN 2012100319126 A CN2012100319126 A CN 2012100319126A CN 201210031912 A CN201210031912 A CN 201210031912A CN 102535424 A CN102535424 A CN 102535424A
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Abstract
The invention relates to a full flat type balance vertical ship lift adaptive to ship reception chamber outlet-inlet water. The invention aims to provide the full flat type balance vertical ship lift adaptive to the ship reception chamber outlet-inlet water, and the vertical ship lift has the advantages of convenience in operating control, higher security and better economy. The technical scheme of the invention is as follows: the vertical ship lift comprises pulley blocks arranged on two side dam bodies of a lifting well, a group of main hoisting drums and a group of controllable balancing weight winding drums and a ship reception chamber which can move up and down along the lifting well; the vertical ship lift is characterized in that the main hoisting drums are wound with a plurality of steel wire ropes, one end of each steel wire rope is connected with a moment weight, and the other end of each steel wire rope is connected with a hanging beam; the controllable balancing weight winding drums are wound with a plurality of steel wire ropes, one end of each steel wire rope is connected with a controllable balancing weight, and the other end of each steel wire rope is connected with a hanging beam; and the lower end of each hanging beam is fixed on the ship reception chamber through a group of lifting hydraulic cylinders, and a locking device is arranged between the ship reception chamber and the hanging beam. The full flat type balance vertical ship lift provided by the invention is suitable for establishing navigation structures on navigable rivers the water level amplitude of which is outsize.
Description
Technical field
The present invention relates to a kind of ship lift, especially a kind ofly adapt to the full flat weighing apparatus vertical ship lift that ship reception chamber goes out entry.Be applicable to the navigation facilities that overcomes high water level drop, be particularly useful for building in the navigation structure on the king-sized navigable river of range of stage.
Background technology
The existing both at home and abroad vertical ship lift scheme that much successfully adopts is as the navigation facilities case history that overcomes the high water level drop; China began from the nineties in last century; Successfully carried out the engineering construction practice of vertical ship lift scheme, solved the technical barrier of high dam navigation effectively in the navigation structure of multinomial hydropower complex.The domestic vertical ship lift that has built up all adopts wire rope elevator lift-type scheme; Main pattern has the full-balance vertical ship lift of not entry of ship reception chamber and the partial equilibrium formula vertical ship lift of ship reception chamber downstream entry; The former is like the mouth of a river, Min River ship lift, separated river, Qingjian River rock ship lift, the latter such as Hongsuihe River Yan Tan ship lift.
The full-balance vertical ship lift is owing to dispose the balance weight that equates fully with ship reception chamber side load; So it is minimum to drive the required power of ship reception chamber up-down; Corresponding transmission system scale is also little; But downstream water retaining structure and dash facility (comprising the docking facilities with ship reception chamber) must be set, after up-down in the anhydrous space and butt joint, make boats and ships can pass in and out ship reception chamber to guarantee ship reception chamber; The partial equilibrium formula vertical ship lift of ship reception chamber downstream entry; Before and after the ship reception chamber entry,, make system not possess the full EQUILIBRIUM CONDITION of configuration because the load of ship reception chamber side has bigger variation because of influenced by buoyancy of water; Ship reception chamber must overcome the maximum unbalanced load of system when going up and down; So required driving power is more much bigger than full-balance ship lift, the also necessary corresponding increasing of the scale of transmission system increases equipment investment and operating cost greatly.But its downstream are not owing to need be provided with water retaining structure and dash facility (comprising the docking facilities with ship reception chamber); Therefore; Be particularly suitable for the big especially and downstream flood level of downstream navigable water stage luffing and differ king-sized situation, the river that rises suddenly and fall suddenly like China western part and mountain area water level than normal navigable water stage.
With rock beach vertical ship lift is example; Its ship reception chamber downstream go out the entry process and are accomplished with the low cruise mode by winding type master lifting means; Going out the maximum unbalanced load of entry procedures system appearance is the weightlessness that interior water body load of ship reception chamber and ship reception chamber structure are gone into water section; But the lifting distance of non-equilibrium process is less than 4% of full lift; And main Hoisting System goes out entry and need dispose driving power and transmission system than big several times of full balance sysmte by maximum unbalanced load for driving ship reception chamber, and not only technical unreasonable, economy is also very poor.
Summary of the invention
The technical problem that the present invention will solve is: to the problem of above-mentioned existence; Provide a kind of the operation to control the full flat weighing apparatus vertical ship lift that the adaptation ship reception chamber convenient, that safety is higher, economy is more excellent goes out entry; Make it have the advantage of simplifying downstream water retaining structure and navigation facilities, effectively reducing the construction costs and operating cost.
The technical scheme that the present invention adopted is: a kind ofly adapt to the full-balance vertical ship lift that ship reception chamber goes out entry; Comprise the assembly pulley that is installed on the dam body of lift well both sides, one group of master's hoisting drum and one group of controlled balance weight reel; And the ship reception chamber that can move up and down along lift well, said main hoisting drum is connected with motor through mechanical synchronizer; Be wound with some wire rope on the said assembly pulley, it is heavy that an end of this wire rope connects gravity, and the other end connects ship reception chamber; It is characterized in that: be wound with some wire rope on the said main hoisting drum, an end coupling torque of this wire rope is heavy, and the other end connects hanging beam; Be wound with some wire rope on the said controlled balance weight reel, an end of this wire rope connects controlled balance weight, and the other end connects hanging beam; One group of lifting hydraulic cylinder in said hanging beam lower end and ship reception chamber are fixed; Between ship reception chamber and the hanging beam locking device is set.
Be around in the wire rope on the main hoisting drum, the leveling hydraulic cylinder is set between it is near ship reception chamber end and hanging beam.
Said locking device comprises that level is installed on the locking hydraulic cylinder of hanging beam lower end, and ship reception chamber both sides steel structure straight up, and steel structure upper end has and cooperates the locking hydraulic cylinder to realize the circular hole of locking.
Be equipped with the balancing chain that is used for balance rope weight between said ship reception chamber, gravity weight, moment weight, controlled balance weight and the dam body.
Be equipped with brake on main hoisting drum and the controlled balance weight reel.
Said mechanical synchronizer comprises the reducer that connects motor and main hoisting drum, is connected through synchronizing shaft between reducer and the reducer.
Said assembly pulley is symmetrically arranged in ship reception chamber cross central line both sides.
The heavy amount of said gravity is less than the gross weight of ship reception chamber structure and equipment.
Said moment weight and controlled balance weight gross weight are greater than the water body weight that allows maximum water depth in the ship reception chamber.
The invention has the beneficial effects as follows:
1) adopts hydraulic control technology; Go out, go into water running through what hydraulic cylinder was realized ship reception chamber; Downstream water retaining structure and navigation facilities had both been simplified; Can effectively reducing the construction costs and operating cost by main driving power and the transmission system equipment scale of promoting of full balance sysmte condition configuration again, go into ability of swimming ship lift scheme for ship reception chamber and expanded application prospect;
2) adopt hydraulic control mode after ship reception chamber is left the water, lock it on the hanging beam, guarantee that ship reception chamber reliably is connected through the mechanical caging mode with main the lifting between suspender in the above lift scope of the water surface;
System's unbalanced load when 3) main lifting means brakes is enough to brake the whole dehydration of ship reception chamber is guaranteed the ship lift safety when the ship reception chamber leakage accident takes place in service of going up and down;
4) adopt ship reception chamber to go into the non-wall-penetrating type balancing chain scheme that the ability of swimming vertical ship lift is suitable for, the weight of active balance hanging steel rope (going up and down to change with ship reception chamber) is saved the up-down driving power;
Description of drawings
Fig. 1 is an elevation of the present invention.
Fig. 2 is an A portion enlarged drawing among Fig. 1.
Fig. 3 is a layout plan of the present invention.
Fig. 4 is I-I sectional view of the present invention (state that will soon unlock from hanging beam before the ship reception chamber entry).
Fig. 5 is an I-I sectional view of the present invention (ship reception chamber is gone into water state).
Fig. 6 is an II-II sectional view of the present invention.
Fig. 7 is a B portion enlarged drawing among Fig. 5.
Fig. 8 is an III-III sectional view of the present invention.
The specific embodiment
Like Fig. 1, shown in Figure 3; Present embodiment is a kind of full flat weighing apparatus vertical ship lift that adapts to the ship reception chamber entry, and the up-down drive system that up-down drive system and the ship reception chamber of ship reception chamber 12 more than the water surface gone out entry adopts the driven by power scheme and the hydraulic control drive scheme of full balance sysmte respectively.
This example comprises that symmetry is installed on the main lifting means on the lift well 19 both sides dam bodys 16: four main hoisting drums 4, eight controlled balance weight reels 15 and four assembly pulley 18 (see figure 3)s also comprise the ship reception chamber 12 that can move up and down along lift well.On main hoisting drum 4 and the controlled balance weight reel 15 brake 5 is installed all, the total braking force square is enough to the maximum unbalanced load of system after the complete dehydration of braking reliability ship reception chamber, brake safe coefficient k=1.25.Main hoisting drum 4 connects motor 2 through mechanical synchronizer, and said mechanical synchronizer comprises the reducer 3 that connects motor 2 and main hoisting drum 4, and is synchronous through synchronizing shaft 1 between reducer and the reducer.
Be wound with wire rope on the said assembly pulley 18, an end of wire rope connects gravity and weighs 17, weight W z=0.9Gx, and the other end connects ship reception chamber 12.Be wound with some wire rope on the said main hoisting drum 4, an end coupling torque of this wire rope weighs 6, and the other end is connected with hanging beam 9 through leveling hydraulic cylinder 8; Be wound with some wire rope on the said controlled balance weight reel 15, an end of this wire rope connects controlled balance weight 13, and the other end connects hanging beam 9; One group of lifting hydraulic cylinder in said hanging beam 9 lower ends 10 is fixing with ship reception chamber 12; Between ship reception chamber 12 and the hanging beam 9 locking device is set.The maximum hoist capacity F=1.2Gw.max of said lifting hydraulic cylinder 10, the range H=1.1 of this hydraulic cylinder (h+ Δ h+ Δ Lx); The equal speed v of ship reception chamber 12 discrepancy levels=1.7～2.0cm/s; Leveling hydraulic cylinder 8 impulse stroke Hp=± 150mm～± 200mm; Said moment weigh 6 with the gross weight W of controlled balance weight 13
L=Gw+0.1Gx.
Like Fig. 2, shown in Figure 7, said locking device comprises that level is installed on the locking hydraulic cylinder 14 of hanging beam 9 lower ends, and ship reception chamber 12 both sides steel structure 11 straight up, and steel structure 11 upper ends have and cooperate locking hydraulic cylinder 14 to realize the circular hole of locking.
Said ship reception chamber 12, gravity weigh 17, moment weigh 6 and controlled balance weight 13 and dam body 16 between all be provided for the balancing chain 7 of balance rope weight.Said balancing chain 7 unit weight g
L=suspension ship reception chamber or balance weight (gravity weighs 17, moment weigh 6 and controlled balance weight 13) wire rope unit weight sum.
The both sides of lift well 19 are balance well 20, said gravity weighs 17, moment weigh 6 and controlled balance weight 13 all place in the balance well 20.
In the above-mentioned formula:
Maximum water body weight in railway carriage or compartment when Gw.max---ship reception chamber goes up and down operation;
H---the specified depth of water in the ship reception chamber;
Δ h---ship reception chamber allows mistake to carry the depth of water;
Δ Lx---ship reception chamber docks period navigation channel water level and designs maximum drop-out value with lock head;
Gx---ship reception chamber structure and weight of equipment;
Gw---the water body weight of the specified depth of water in the ship reception chamber.
The specific embodiment: Fig. 1, the vertical ship lift master lifting means shown in 3 are used for driving in the above lift section of the water surface up-down of ship reception chamber by full balance sysmte condition configuration.Moment that its balance sysmte disposes weighs 6 and is suspended on respectively on main hoisting drum 4 and the controlled balance weight reel 15 with controlled balance weight 13, and gross weight is slightly larger than the water body weight that allow maximum water depths in the ship reception chamber 12.Owing on main hoisting drum 4 and controlled balance weight reel 15, be equipped with brake 5, the total braking force square is enough to the maximum unbalanced load of system after the complete dehydration of braking reliability ship reception chamber, therefore; Can be under braking condition; Implement the going out of ship reception chambers, entry operation through lifting hydraulic cylinder 10, and ship lift is when moving under full equilibrium state, in case the extreme accident that ship reception chamber leaks takes place; Can guarantee that ship reception chamber can not topple through the timely braking of brake 5.
Fig. 4, be respectively the state before and after the ship reception chamber entry shown in 5.When ship reception chamber 12 descending operations; Main Hoisting System is shut down braking after moving to position as shown in Figure 4; Ship lift control system transfers ship reception chamber entry working procedure automatically to: start ship reception chamber and come in and go out the hydraulic pump group of water hydraulic control system---after entry that operational lock hydraulic cylinder 14 is removed the ship reception chambers locking---operation lifting hydraulic cylinder 10 makes ship reception chamber 12 entry at a slow speed---move to ship reception chamber as shown in Figure 5 12 inside and outside water surface flush; The water hydraulic control system of coming in and going out unloading---is opened ship reception chamber 12 downstream railway carriage or compartment end brake door and anticollision device, collision-prevention device---, and boats and ships go out, advance ship reception chamber; The real-time sensed water level of while level of tail water checkout gear, when surpassing the design permissible value like the SEA LEVEL VARIATION value, hydraulic system is the run-up pressure soon; Operation lifting hydraulic cylinder 10 is the underwater penetration of adjustment ship reception chamber 12 in time, guarantees the safety of boats and ships turnover.
Up boats and ships enter the railway carriage or compartment back ship lift control system that finishes and transfer ship reception chamber water outlet working procedure automatically to: close ship reception chamber 12 downstream railway carriage or compartment end brake door and anticollision device, collision-prevention device, and---the ship reception chamber water hydraulic control system of coming in and going out builds pressure, and---operation lifting hydraulic cylinder 10 promotes ship reception chamber 12 water outlets at a slow speed---after ship reception chamber 12 water outlets moved to position as shown in Figure 4, hydraulic control system operational lock hydraulic cylinder 14 was locked in ship reception chamber on the hanging beam 9---ship reception chamber 12 come in and go out water hydraulics control system-downs---, and ship lift control system transfers the working procedure that is promoted ship reception chamber by full balance sysmte master's lifting means automatically to.At this moment,, make lifting hydraulic cylinder 10 unloadings, can effectively avoid causing operating ship reception chamber levelness overproof because of the leakage of lifting hydraulic cylinder 10 because ship reception chamber 12 is locked on the hanging beam 9 through locking device.
The leveling hydraulic cylinder 8 of ship reception chamber 12 is arranged between the boom hoist cable and hanging beam 9 of main hoisting drum 4 ship reception chamber sides; With the shared hydraulic pump group of water hydraulic control system of coming in and going out; Dispose independently hydraulic control valve group, adopt static closed loop proportional to regulate the levelness deviation correction adjusting that control technology is carried out ship reception chamber.Ship reception chamber 12 designs allow maximum horizontal degree deviation delta S=50mm～100mm.
Shown in Figure 6 for ship reception chamber 12 at the state that is locked in more than the water surface on the hanging beam 9, the diagram top be controlled balance weight reel 15.Controlled balance weight reel 15 be a kind of need not to drive with movable reel, be provided with brake 5, can control respectively with the brake 5 of main hoisting drum 4.When ship reception chamber 12 carried out levelness deviation correction adjusting, the brake 5 of controlled balance weight reel 15 should be in the state of declutching, and the brake 5 of main hoisting drum 4 then should be in the brake application state; When ship lift when full equilibrium state promotes ship reception chamber 12 and goes up and down operation, all brakes 5 all are in the state of declutching, moment weighed 6 and weighed 17 identical with function and the gravity of controlled balance weight 13 in balance sysmte full this moment; Stopped status; All brakes 5 all are in the brake application state; At this moment; Moment weighs 6 and is different from gravity with the effect of 13 pairs of systems of controlled balance weight and weighs 17, and this moment weighs 6 and supported and can not acted on the ship reception chamber 12 by brake 5 with the weight of controlled balance weight 13, and gravity weighs 17 weight and then will act on all the time on the ship reception chamber 12.
Shown in Figure 8 is that gravity weighs 17 state before and after ship reception chamber 12 entry.Because gravity weighs 17 weight and acts on all the time on the ship reception chamber 12; Therefore; Overproof when ship reception chamber 12 levelnesss, and the unbalanced load that under full equilibrium state, occurs during operation is when excessive, and gravity weighs 17 weight will become the risk factor that ship reception chamber topples in the pulling force of ship reception chamber 12.In order to ensure safety, present embodiment has been taked following measure: the one, and the gravity of configuration weighs the gross weight that 17 weight are slightly less than ship reception chamber 12 structures and equipment; The 2nd, suspension gravity weighs 17 assembly pulley 18 positions and is arranged at the both sides near the ship reception chamber cross central line.One of its effect be make gravity weigh 17 to bring out the possibility that ship reception chamber topples almost nil; Two of effect is to make ship reception chamber 12 amounts of stressing satisfy the condition of entry.
Balancing chain 7 shown in Fig. 4～Fig. 8 is used for that balance ship reception chamber 12, gravity weigh 17, moment weighs 6, the hanging steel rope weight on the controlled balance weight 13, and its effect is the main lifting means driving power in the time of can reducing full equilibrium state operation.Ship reception chamber is in the past gone into the ability of swimming ship lift, because system is the partial equilibrium system, the weight proportion of wire rope is less, therefore, balancing chain is not set.Full-balance ship lift type as far as the described ship reception chamber entry of present embodiment; Do not intake in order to guarantee balance well 20; So non-wall-penetrating type scheme that the sealing ring type scheme through walls that can not adopt conventional full-balance ship lift to be adopted, present embodiment adopt ship reception chamber side and balance weight (gravity weighs 17, moment weighs 6, controlled balance weight 13) side independently to be provided with.
Above-mentioned said ship lift is controlled the main points place that system, hydraulic control system and condensate tank of dehumidifier are not present embodiments, launches to introduce so do not do.
Claims (9)
1. one kind adapts to the full-balance vertical ship lift that ship reception chamber goes out entry; Comprise the assembly pulley (18), one group of master's hoisting drum (4) and the one group of controlled balance weight reel (15) that are installed on lift well (19) the both sides dam bodys (16); And the ship reception chamber (12) that can move up and down along lift well, said main hoisting drum (4) is connected with motor (2) through mechanical synchronizer; Said assembly pulley is wound with some wire rope on (18), and an end of this wire rope connects gravity heavy (17), and the other end connects ship reception chamber (12); It is characterized in that: be wound with some wire rope on the said main hoisting drum (4), an end coupling torque of this wire rope heavy (6), the other end connects hanging beam (9); Be wound with some wire rope on the said controlled balance weight reel (15), an end of this wire rope connects controlled balance weight (13), and the other end connects hanging beam (9); Said hanging beam (9) the one group of lifting hydraulic cylinder in lower end (10) is fixing with ship reception chamber (12); Between ship reception chamber (12) and the hanging beam (9) locking device is set.
2. adaptation ship reception chamber according to claim 1 goes out the full-balance vertical ship lift of entry, it is characterized in that: be around in the wire rope on the main hoisting drum (4), between it is near ship reception chamber end and hanging beam (9), leveling hydraulic cylinder (8) be set.
3. adaptation ship reception chamber according to claim 1 and 2 goes out the full-balance vertical ship lift of entry; It is characterized in that: said locking device comprises that level is installed on the locking hydraulic cylinder (14) of hanging beam (9) lower end; And ship reception chamber (12) both sides steel structure (11) straight up, steel structure (11) upper end has and cooperates locking hydraulic cylinder (14) to realize the circular hole of locking.
4. adaptation ship reception chamber according to claim 1 and 2 goes out the full-balance vertical ship lift of entry, it is characterized in that: be equipped with the balancing chain (7) that is used for balance rope weight between said ship reception chamber (12), gravity heavy (17), moment heavy (6), controlled balance weight (13) and the dam body (16).
5. said adaptation ship reception chamber according to claim 1 goes out the full-balance vertical ship lift of entry, it is characterized in that: be equipped with brake (5) on main hoisting drum (4) and the controlled balance weight reel (15).
6. adaptation ship reception chamber according to claim 1 goes out the full-balance vertical ship lift of entry; It is characterized in that: said mechanical synchronizer comprises the reducer (3) that connects motor (2) and main hoisting drum (4), is connected through synchronizing shaft (1) between reducer and the reducer.
7. adaptation ship reception chamber according to claim 1 goes out the full-balance vertical ship lift of entry, it is characterized in that: said assembly pulley (18) is symmetrically arranged in ship reception chamber (12) cross central line both sides.
8. adaptation ship reception chamber according to claim 4 goes out the full-balance vertical ship lift of entry, it is characterized in that: heavy (17) weight of said gravity is less than the gross weight of ship reception chamber (12) structure and equipment.
9. adaptation ship reception chamber according to claim 4 goes out the full-balance vertical ship lift of entry, it is characterized in that: said moment heavy (6) and controlled balance weight (13) gross weight are greater than the water body weight that allows maximum water depth in the ship reception chamber (12).
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| CN106284224A (en) * | 2015-05-29 | 2017-01-04 | 湖北省咸宁三合机电制业有限责任公司 | The four-point lifting winch hoist of enclosed central driving |
| CN106441071A (en) * | 2016-10-09 | 2017-02-22 | 水利部交通运输部国家能源局南京水利科学研究院 | Measurement method for clearances of synchronizing shafts of ship elevator |
| CN106542456A (en) * | 2016-12-09 | 2017-03-29 | 国网福建省电力有限公司 | A kind of main lifting brakes of the full balanced vertical ship lift of winding type |
| CN108914907A (en) * | 2018-06-13 | 2018-11-30 | 杭州国电机械设计研究院有限公司 | A kind of automatic control flow chart of full-balance steel wire rope winch-type vertical ship lift |
| CN110409398A (en) * | 2019-05-07 | 2019-11-05 | 长江勘测规划设计研究有限责任公司 | A kind of full balance friction-driving vertical ship lift of the high lift application of suitable heavy duty |
| CN112776956A (en) * | 2021-03-05 | 2021-05-11 | 杭州国电机械设计研究院有限公司 | Method for determining water level of balance critical point of vertical ship lift |
| CN112963689A (en) * | 2021-03-29 | 2021-06-15 | 陈泉志 | Differential type leveling mechanism and leveling method for hydrological flow measurement platform |
| CN113914279A (en) * | 2021-10-11 | 2022-01-11 | 武汉船用机械有限责任公司 | Method for balancing weight of ship lift ship receiving chamber and balance weight system |
| CN115600305A (en) * | 2022-11-22 | 2023-01-13 | 长江勘测规划设计研究有限责任公司（Cn） | Design method for controlling levelness in lifting operation of ship lift chamber |
| CN110409398B (en) * | 2019-05-07 | 2024-05-03 | 长江勘测规划设计研究有限责任公司 | Full-balance friction-driven vertical ship lift suitable for heavy-load high-lift application |
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| CN106284224A (en) * | 2015-05-29 | 2017-01-04 | 湖北省咸宁三合机电制业有限责任公司 | The four-point lifting winch hoist of enclosed central driving |
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| CN106441071B (en) * | 2016-10-09 | 2018-11-09 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of ship lift synchronizing shaft gap measuring method |
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| CN106542456B (en) * | 2016-12-09 | 2019-10-01 | 国网福建省电力有限公司 | A kind of main promotion braking system of the full balanced vertical ship lift of winding type |
| CN108914907B (en) * | 2018-06-13 | 2019-12-24 | 杭州国电机械设计研究院有限公司 | Automatic control process of full-balanced type steel wire rope winch type vertical ship lift |
| CN108914907A (en) * | 2018-06-13 | 2018-11-30 | 杭州国电机械设计研究院有限公司 | A kind of automatic control flow chart of full-balance steel wire rope winch-type vertical ship lift |
| CN110409398A (en) * | 2019-05-07 | 2019-11-05 | 长江勘测规划设计研究有限责任公司 | A kind of full balance friction-driving vertical ship lift of the high lift application of suitable heavy duty |
| CN110409398B (en) * | 2019-05-07 | 2024-05-03 | 长江勘测规划设计研究有限责任公司 | Full-balance friction-driven vertical ship lift suitable for heavy-load high-lift application |
| CN112776956A (en) * | 2021-03-05 | 2021-05-11 | 杭州国电机械设计研究院有限公司 | Method for determining water level of balance critical point of vertical ship lift |
| CN112963689A (en) * | 2021-03-29 | 2021-06-15 | 陈泉志 | Differential type leveling mechanism and leveling method for hydrological flow measurement platform |
| CN112963689B (en) * | 2021-03-29 | 2022-10-11 | 陈泉志 | Differential type leveling mechanism and leveling method for hydrological flow measurement platform |
| CN113914279A (en) * | 2021-10-11 | 2022-01-11 | 武汉船用机械有限责任公司 | Method for balancing weight of ship lift ship receiving chamber and balance weight system |
| CN113914279B (en) * | 2021-10-11 | 2022-10-25 | 武汉船用机械有限责任公司 | Method for balancing weight of ship lift ship receiving chamber and balance weight system |
| CN115600305A (en) * | 2022-11-22 | 2023-01-13 | 长江勘测规划设计研究有限责任公司（Cn） | Design method for controlling levelness in lifting operation of ship lift chamber |
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