CN102337737A - Safety guaranteeing method and apparatus for vertical ship lift with counterweight - Google Patents
Safety guaranteeing method and apparatus for vertical ship lift with counterweight Download PDFInfo
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- CN102337737A CN102337737A CN2010102286077A CN201010228607A CN102337737A CN 102337737 A CN102337737 A CN 102337737A CN 2010102286077 A CN2010102286077 A CN 2010102286077A CN 201010228607 A CN201010228607 A CN 201010228607A CN 102337737 A CN102337737 A CN 102337737A
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Abstract
The invention discloses a safety guaranteeing method and apparatus for a vertical ship lift with counterweight. According to the invention, the counterweight is divided into a part of gravity weight for balancing a ship chamber and a part of additional weight for balancing water in the ship chamber; the part of additional weight is divided into a part of torque weight and a part of safety weight, and the part of torque weight is connected with the ship chamber through steel wire ropes and a set of torque drums; the part of safety weight is connected with the ship chamber through steel wire ropes and a set of safety drums; the safety drums and the torque drums both are provided with brakes. The invention enables a safety problem under the conditions of severely decreasing water in the ship chamber of the ship lift and a severely damaged balancing system to be solved conveniently without increasing motor power of the ship lift. According to the invention, the advantages of low engineering cost, convenient operation control and high safety are obtained; the safety problem under the condition of complete loosing of water at any part of the ship chamber is solved, thereby greatly improving operation safety.
Description
Technical field
the present invention relates to a kind of method for protecting and device of balance weight type vertical ship lift, belong to ship and cross the dam technical field.
Background technology
The device of
balance weight type vertical ship lift to be ship when the dykes and dams of the height of water are arranged commonly used a kind of ship that goes up and down.Present balance weight type vertical ship lift comprises the vertical lift frame, and one group of fixed pulley and one group of torque reel are installed on the vertical lift frame; Be wound with wire rope on the fixed pulley, an end of wire rope is connected with the ship railway carriage or compartment, and the other end system of wire rope has gravity heavy; The torque reel also is wound with wire rope, and an end of wire rope also is connected with the ship railway carriage or compartment, and the other end system of wire rope has torque heavy; One group of torque reel is connected with motor through lazy-tongs, for the torque reel turning moment is provided by motor, and whole balance weight type vertical ship lift is formed a balance sysmte, one on the other, does in the opposite direction moving both vertically each other.Motor only need provide the moment that can overcome frictional resistance, just can very heavy ship railway carriage or compartment and water and the ship in the ship railway carriage or compartment be raised up.
generally speaking; All gravity through fixed pulley add that heavily weight that the heavy gross weights of all torques through the torque reel equal the ship railway carriage or compartment adds the weight of water in the railway carriage or compartment of going on board; The weight on both sides is in a basic balance, and motor only need overcome system friction can drive the ship railway carriage or compartment.
are because generally; The sealing in ship railway carriage or compartment is also bad; The ship railway carriage or compartment is in the process of going up and down, and the water in the ship railway carriage or compartment is constantly missed, so the weight of ship railway carriage or compartment side is constantly reducing; When the weight decrease weighed gross weight less than torque balance, motor can also guarantee the ship lift system balancing.The security reliability of collateral security ship lift is set out, and should improve the heavy weight of torque balance as far as possible, to improve the control ability of main electromotor structure to ship lift ship railway carriage or compartment suspension system; But increase the heavy weight of torque balance, just must improve the power of motor, but also can increase the layout difficulty of mechanical synchronization system; The therefore general heavy ratio of ship lift torque balance only accounts for about 20～30% of ship lift balance weight gross weight; When the ship railway carriage or compartment amount of stressing decrease during greater than the heavy gross weight of torque balance, the ship lift balance sysmte will be destroyed, the ship railway carriage or compartment the gravitational equilibrium recast with under will rise rapidly; Runaway accident takes place, and this situation is called " unbalance ".Therefore; For solving the safety problem under " unbalance " state; The tradition ship lift generally adopts and methods such as security lock arrangement and strict control ship railway carriage or compartment water level are set along journey solve the safety problem of ship railway carriage or compartments when seriously leaking, but these methods have increased the difficulty of operation control or had certain restricting condition for use.
Summary of the invention
the objective of the invention is to; Provide a kind of move control convenient, safe, also can solve the method for protecting and the device of the balance weight type vertical ship lift of the complete dehydration safety problem in optional position, ship railway carriage or compartment, to overcome the deficiency of prior art.
technical scheme of the present invention: a kind of method for protecting of balance weight type vertical ship lift, this method be with balance weight be divided into the one group of gravity that is used for balance ship railway carriage or compartment heavy with one group of weight that is used for water in the balance ship railway carriage or compartment additional heavy; Additional heavily to be divided into one group of torque heavy heavy with one group of safety with one group again, and one group of torque is heavy to be passed through one group of torque reel through wire rope and be connected with the ship railway carriage or compartment; One group of safety is heavy to be connected with the ship railway carriage or compartment through one group of safety reel through wire rope; Be equipped with brake on safe reel and the torque reel.
In the method for protecting of
aforementioned balance weight type vertical ship lift, the brake on the said safe reel is confirmed the duty of deadman's brake according to the weight change situation of water in the ship railway carriage or compartment.
In the method for protecting of
aforementioned balance weight type vertical ship lift; When the weight of water in the ship railway carriage or compartment equals maximum; All brake is in off-state, and all safe reels are equivalent to fixed pulley, can freely rotate; Safe recast is that gravity heavily uses, the weight of water in all heavy safely and heavy balance ship railway carriage or compartments together of torque.
In the method for protecting of
aforementioned balance weight type vertical ship lift; In when, in a large amount of leakages of the water in the ship railway carriage or compartment or the ship railway carriage or compartment shipwreck accident taking place when; The equilibrium state of ship lift is destroyed; At this moment, brake is converted to on-state by off-state in batches and brakes, and makes the ship lift can the optional position of safety stop in stroke.
In the method for protecting of
aforementioned balance weight type vertical ship lift, the duty of said brake is controlled by automatic control circuit.
In the method for protecting of
aforementioned balance weight type vertical ship lift, the weight in said ship railway carriage or compartment adds the gross weight of water in the railway carriage or compartment of going on board through fixed pulley, torque reel, safe reel are heavy through wire rope and gravity, torque is heavy and the heavy complete equipilibrium of safety.
comprise one group of fixed pulley and one group of torque reel of being installed on the vertical lift frame according to the device of the method for protecting formation of aforementioned balance weight type vertical ship lift, and also comprising can be along the ship railway carriage or compartment that the vertical lift frame moves up and down; Fixed pulley is provided with wire rope, and an end of wire rope is connected with the ship railway carriage or compartment, and the other end and the gravity of wire rope reconnect; The torque reel is provided with wire rope, and an end of wire rope is connected with the ship railway carriage or compartment, and the other end and the torque of wire rope reconnect; One group of torque reel is connected with motor through mechanical synchronizer; Also be provided with safe reel on the said vertical lift frame, safe reel is provided with wire rope, and an end of wire rope is connected with the ship railway carriage or compartment, and the other end of wire rope reconnects with safety; Be equipped with brake on torque reel and the safe reel.
In
aforementioned means, the gross weight that said gravity is heavy equals the weight in ship railway carriage or compartment.
In
aforementioned means, the heavy gross weight with the heavy gross weight of safety water when being equal to or greater than maximum amount of water in the ship railway carriage or compartment of said torque.
In
aforementioned means, the heavy and safe heavy weight ratio of said torque is 1:1～1.7.
compared with prior art, the present invention can be in the ship railway carriage or compartment under the complete blank situation of water body, guarantees that ship lift still is in equilibrium state, has solved the safety problem that balance weight type vertical ship lift ship railway carriage or compartment leaks.Through setting up safe reel and safe tuple amount; Under the condition that does not increase the ship lift power of motor, improved the safety under the extreme accident of ship lift, can realize that ship lift ship railway carriage or compartment locks at an arbitrary position; Greatly improved the security of operation of ship lift, and construction costs is lower.Can carry out upgrading to the conventional vertical ship lift of having built comparatively easily, only need to transform the part fixed pulley as be provided with brake safe reel, can accomplish upgrading ship lift.Validity of the present invention is through Silin, Wujiang River 1:10 ship lift integrated physical model verification experimental verification, and the operation control procedure is simple, safety, reliable, has good application prospects.The invention provides a kind of new ship lift drags and the safety guarantee new technology; Under the condition that does not increase the ship lift power of motor; The present invention has solved comparatively easily that water body seriously reduces in the ship lift ship railway carriage or compartment, the ship lift safety problem under the balance sysmte heavy damage condition.The present invention compared with prior art, the present invention has not only that construction costs is low, operation control convenient, safe advantage, but also can solve the safety problem of the complete dehydration in optional position, ship railway carriage or compartment, greatly improved the security of operation problem of ship lift.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Being labeled as in
accompanying drawing: 1-safety reel, 2-safety is heavy, 3-torque reel, the 4-torque is heavy, 5-ship railway carriage or compartment, the 6-fixed pulley, 7-gravity is heavy, 8-brake, 9-mechanical synchronizer, 10-motor.
The specific embodiment
are done further detailed description below in conjunction with accompanying drawing and embodiment to the present invention, but not as to any restriction of the present invention.
embodiments of the invention: the method for protecting principle of a kind of balance weight type vertical ship lift of the present invention; As shown in Figure 1, this method be with balance weight be divided into the one group of gravity that is used for balance ship railway carriage or compartment heavy with one group of weight that is used for water in the balance ship railway carriage or compartment additional heavy; Additional heavily to be divided into one group of torque heavy heavy with one group of safety with one group again, and one group of torque is heavy to be passed through one group of torque reel through wire rope and be connected with the ship railway carriage or compartment; One group of safety is heavy to be connected with the ship railway carriage or compartment through one group of safety reel through wire rope; Be equipped with brake on safe reel and the torque reel.Brake on the said safe reel is confirmed the duty of deadman's brake according to the weight change situation of water in the ship railway carriage or compartment.When the weight of water in the ship railway carriage or compartment equaled maximum, all brake was in off-state, and all safe reels are equivalent to fixed pulley, can freely rotate, and safe recast is that gravity heavily uses, the weight of water in all heavy safely and heavy balance ship railway carriage or compartments together of torque.When the water in the ship railway carriage or compartment is a large amount of leak or the ship railway carriage or compartment in when the shipwreck accident takes place, the equilibrium state of ship lift is destroyed, at this moment, brake is converted to on-state by off-state in batches and brakes, and makes the ship lift can the optional position of safety stop in stroke.The weight that the duty of said brake is controlled said ship railway carriage or compartment by automatic control circuit adds the gross weight of water in the railway carriage or compartment of going on board through fixed pulley, torque reel, safe reel are heavy through wire rope and gravity, torque is heavy and safety weighs complete equipilibrium.
apparatus structure of the present invention is as shown in Figure 1, comprises one group of fixed pulley 6 and one group of torque reel 3 of being installed on the vertical lift frame, and also comprising can be along the ship railway carriage or compartment 5 that the vertical lift frame moves up and down; Fixed pulley 6 is provided with wire rope, and an end of wire rope is connected with ship railway carriage or compartment 5, and the other end of wire rope weighs 7 with gravity and is connected; Torque reel 3 is provided with wire rope, and an end of wire rope is connected with ship railway carriage or compartment 5, and the other end of wire rope weighs 4 with torque and is connected; One group of torque reel 3 is connected with motor 10 through mechanical synchronizer 9.Also be provided with safe reel 1 on the said vertical lift frame, safe reel 1 is provided with wire rope, and an end of wire rope is connected with ship railway carriage or compartment 5, and the other end of wire rope weighs 2 with safety and is connected; Be equipped with brake on torque reel 3 and the safe reel 1.Said gravity weighs the weight that 7 gross weight equals ship railway carriage or compartment 5.Said torque weighs the gross weight of 4 water when weighing 2 gross weight and being equal to or greater than maximum amount of water in the ship railway carriage or compartment 5 with safety.Heavy and the safe heavy weight ratio of said torque is 1:1～1.7.
Be two instances of embodiment of the present invention below:
The weight that ship railway carriage or compartment 5 is established in
is 1000 tons; Water body design weight in the ship railway carriage or compartment 5 is 2400 tons; 4 fixed pulleys 6 are installed on the vertical lift frame, all are wound with wire rope on each fixed pulley 6, an end of 4 wire rope is connected with ship railway carriage or compartment 5 respectively; The other end of every wire rope all connects one 250 tons gravity and weighs 7,4 gravity and weigh 1000 tons of the weight that 7 gross weight equals ship railway carriage or compartment 5.8 torque reels 3 are installed on the vertical lift frame, all are wound with wire rope on each torque reel 3, an end of 8 wire rope is connected with ship railway carriage or compartment 5 respectively, and the other end of every wire rope all connects a torque and weighs 4; 8 safe reels 1 also are installed on the vertical lift frame, all are wound with wire rope on each safe reel 1, an end of 8 wire rope is connected with ship railway carriage or compartment 5 respectively, and the other end of every wire rope all connects a safety and weighs 2; If selecting the heavy weight ratio that weighs with safety of torque is 1:1.Then on the torque reel 3 each torque to weigh 4 weight be 150 tons, it is 150 tons that each safety on the safe reel 1 weighs 2 weight.Such 8 torques add that heavily the water body design weight that 8 heavy weight of safety equal in the ship railway carriage or compartment 5 is 2400 tons.
The weight that ship railway carriage or compartment 5 is established in
is 1600 tons; Water body design weight in the ship railway carriage or compartment 5 is 3200 tons; 4 fixed pulleys 6 are installed on the vertical lift frame, all are wound with wire rope on each fixed pulley 6, an end of 4 wire rope is connected with ship railway carriage or compartment 5 respectively; The other end of every wire rope all connects one 400 tons gravity and weighs 7,4 gravity and weigh 1600 tons of the weight that 7 gross weight equals ship railway carriage or compartment 5.8 torque reels 3 are installed on the vertical lift frame, all are wound with wire rope on each torque reel 3, an end of 8 wire rope is connected with ship railway carriage or compartment 5 respectively, and the other end of every wire rope all connects a torque and weighs 4; 8 safe reels 1 also are installed on the vertical lift frame, all are wound with wire rope on each safe reel 1, an end of 8 wire rope is connected with ship railway carriage or compartment 5 respectively, and the other end of every wire rope all connects a safety and weighs 2; If selecting the heavy weight ratio that weighs with safety of torque is 1:1.5.Then on the torque reel 3 each torque to weigh 4 weight be 160 tons, it is 240 tons that each safety on the safe reel 1 weighs 2 weight.Such 8 heavy gross weights of torque equal 160 * 8=1280 ton, add 8 weight 240 * 8=1920 tons that safety is heavy.The heavy gross weight of torque adds that the heavy gross weight of safety equals 1280 tons+1920 tons=3200 tons of water body design weights in the ship railway carriage or compartment 5.
above-mentioned instance is two special cases among the present invention.According to the difference of engineering actual conditions, the present invention can also have other embodiment.As long as the safety of ship lift configuration gross weight heavy and that torque is heavy is equal to or greater than ship railway carriage or compartment water body weight and all is regarded as the protection domain that the present invention requires.
For the purpose of clear more, below more as follows with operating principle explanation of the present invention:
ship lift up-down running ship railway carriage or compartment 5 water leakages are during less than the heavy amount of torque; Brake on the safe reel 1 is in opening; Safe reel 1 only plays the wire rope reverse effect; Its function class is similar to fixed pulley 6, and safety weighs 2 and is connected to ship railway carriage or compartment 5 through steel wire, weighs the weight of 2 equiponderant water bodys in the balance ship railway carriage or compartment 5 with safety; When operation is gone up and down in ship lift ship railway carriage or compartment 5, the out-of-balance force of ship railway carriage or compartment side and balance weight side, the motor 10 that is connected with torque reel 3 through mechanical synchronizer 9 is exerted oneself and is overcome; When ship railway carriage or compartment 5 was out of service, through the out-of-balance force that service brake and the brake 8 on the torque reel 3 that is arranged on the motor 10 overcomes the ship lift whole system, its working method was identical with traditional ship lift.
ship railway carriage or compartment 5 water leakages weigh 4 weight greater than torque, and motor 10 is exerted oneself in the time of can not overcoming the out-of-balance force of ship railway carriage or compartment side and balance weight side, and the brake 8 on the safe reel 1 is in closure state, and safety weighs 2 effects withdrawed from ship railway carriage or compartment 5; Ship railway carriage or compartment 5 is in equilibrium state again under the effect of the brake 8 of safety reel 1.
Claims (10)
1. the method for protecting of a balance weight type vertical ship lift is characterized in that: this method is that balance weight is divided into heavy with the weight that is used for water in the balance ship railway carriage or compartment one group additional heavy of the one group of gravity that is used for balance ship railway carriage or compartment; Additional heavily to be divided into one group of torque heavy heavy with one group of safety with one group again, and one group of torque is heavy to be passed through one group of torque reel through wire rope and be connected with the ship railway carriage or compartment; One group of safety is heavy to be connected with the ship railway carriage or compartment through one group of safety reel through wire rope; Be equipped with brake on safe reel and the torque reel.
2. according to the method for protecting of the said balance weight type vertical ship lift of claim 1, it is characterized in that: the brake on the said safe reel is confirmed the duty of deadman's brake according to the weight change situation of water in the ship railway carriage or compartment.
3. according to the method for protecting of the said balance weight type vertical ship lift of claim 2; It is characterized in that: when the weight of water in the ship railway carriage or compartment equals maximum; All brake is in off-state, and all safe reels are equivalent to fixed pulley, can freely rotate; Safe recast is that gravity heavily uses, the weight of water in all heavy safely and heavy balance ship railway carriage or compartments together of torque.
4. according to the method for protecting of the said balance weight type vertical ship lift of claim 2; It is characterized in that: when in a large amount of leakages of the water in the ship railway carriage or compartment or the ship railway carriage or compartment shipwreck accident taking place; The equilibrium state of ship lift is destroyed; At this moment, brake is converted to on-state by off-state in batches and brakes, and makes the ship lift can the optional position of safety stop in stroke.
5. according to the method for protecting of the said balance weight type vertical ship lift of claim 2, it is characterized in that: the duty of said brake is controlled by automatic control circuit.
6. according to the method for protecting of the said balance weight type vertical ship lift of claim 1, it is characterized in that: the weight in said ship railway carriage or compartment adds the gross weight of water in the railway carriage or compartment of going on board through fixed pulley, torque reel, safe reel are heavy through wire rope and gravity, torque is heavy and the heavy complete equipilibrium of safety.
7. the safety convenience instrument of a balance weight type vertical ship lift comprises the one group of fixed pulley (6) and the one group of torque reel (3) that are installed on the vertical lift frame, and also comprising can be along the ship railway carriage or compartment (5) that the vertical lift frame moves up and down; Fixed pulley (6) is provided with wire rope, and an end of wire rope is connected with ship railway carriage or compartment (5), and the other end of wire rope is connected with gravity heavy (7); Torque reel (3) is provided with wire rope, and an end of wire rope is connected with ship railway carriage or compartment (5), and the other end of wire rope is connected with torque heavy (4); One group of torque reel (3) is connected with motor (10) through mechanical synchronizer (9); It is characterized in that: also be provided with safe reel (1) on the said vertical lift frame, safe reel (1) is provided with wire rope, and an end of wire rope is connected with ship railway carriage or compartment (5), and the other end of wire rope is connected with safety heavy (2); Be equipped with brake on torque reel (3) and the safe reel (1).
8. the safety convenience instrument of balance weight type vertical ship lift according to claim 7 is characterized in that: the gross weight of said gravity heavy (7) equals the weight of ship railway carriage or compartment (5).
9. the safety convenience instrument of balance weight type vertical ship lift according to claim 7 is characterized in that: the gross weight of the gross weight of said torque heavy (4) and safety heavy (2) water when being equal to or greater than the interior maximum amount of water in ship railway carriage or compartment (5).
10. the safety convenience instrument of balance weight type vertical ship lift according to claim 7 is characterized in that: said torque heavy (4) is 1:1～1.7 with the weight ratio of safety heavy (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102286077A CN102337737A (en) | 2010-07-16 | 2010-07-16 | Safety guaranteeing method and apparatus for vertical ship lift with counterweight |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102286077A CN102337737A (en) | 2010-07-16 | 2010-07-16 | Safety guaranteeing method and apparatus for vertical ship lift with counterweight |
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| CN2010102286077A Pending CN102337737A (en) | 2010-07-16 | 2010-07-16 | Safety guaranteeing method and apparatus for vertical ship lift with counterweight |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535424A (en) * | 2012-02-14 | 2012-07-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Full flat type balance vertical ship lift adaptive to ship reception chamber outlet-inlet water |
| CN103924570A (en) * | 2014-04-15 | 2014-07-16 | 中国葛洲坝集团机械船舶有限公司 | Safety protection device for ship reception chamber of full balanced steel wire rope hoisting vertical ship lift and lifting protection method |
| CN104120702A (en) * | 2014-07-09 | 2014-10-29 | 中国葛洲坝集团股份有限公司 | Efficient installation system and installation method of large-scale concrete balance weight block of vertical ship lift |
| CN104264650A (en) * | 2014-09-12 | 2015-01-07 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydraulic drive type vertical ship lift |
| WO2016004767A1 (en) * | 2014-07-09 | 2016-01-14 | 葛洲坝集团机电建设有限公司 | High-efficiency installation system for large-sized concrete counterweight block of vertical boat lift |
| CN105735229A (en) * | 2016-03-11 | 2016-07-06 | 中国葛洲坝集团股份有限公司 | Method for carrying out weight counter-balancing on multiple sets of counterweight groups used by large ship lifter |
| 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 |
| CN109706907A (en) * | 2019-02-02 | 2019-05-03 | 杭州国电机械设计研究院有限公司 | A kind of ship lift ship compartment dehydration performance test method |
| 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 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535424B (en) * | 2012-02-14 | 2014-10-08 | 水利部交通运输部国家能源局南京水利科学研究院 | Full flat type balance vertical ship lift adaptive to ship reception chamber outlet-inlet water |
| CN102535424A (en) * | 2012-02-14 | 2012-07-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Full flat type balance vertical ship lift adaptive to ship reception chamber outlet-inlet water |
| CN103924570B (en) * | 2014-04-15 | 2016-01-13 | 葛洲坝机械工业有限公司 | A kind of safety guard and lifting guard method applying to full balance rope elevator vertical ship lift ship reception chamber |
| CN103924570A (en) * | 2014-04-15 | 2014-07-16 | 中国葛洲坝集团机械船舶有限公司 | Safety protection device for ship reception chamber of full balanced steel wire rope hoisting vertical ship lift and lifting protection method |
| CN104120702A (en) * | 2014-07-09 | 2014-10-29 | 中国葛洲坝集团股份有限公司 | Efficient installation system and installation method of large-scale concrete balance weight block of vertical ship lift |
| CN104120702B (en) * | 2014-07-09 | 2015-09-30 | 中国葛洲坝集团股份有限公司 | The efficient installation system of vertical ship lift large-sized concrete counterweight block and mounting method thereof |
| WO2016004767A1 (en) * | 2014-07-09 | 2016-01-14 | 葛洲坝集团机电建设有限公司 | High-efficiency installation system for large-sized concrete counterweight block of vertical boat lift |
| WO2016004753A1 (en) * | 2014-07-09 | 2016-01-14 | 葛洲坝集团机电建设有限公司 | High-efficiency installation system for large-sized concrete counterweight block of vertical boat lift and installation method therefor |
| CN104264650A (en) * | 2014-09-12 | 2015-01-07 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydraulic drive type vertical ship lift |
| CN105735229A (en) * | 2016-03-11 | 2016-07-06 | 中国葛洲坝集团股份有限公司 | Method for carrying out weight counter-balancing on multiple sets of counterweight groups used by large ship lifter |
| 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 |
| 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 |
| CN109706907A (en) * | 2019-02-02 | 2019-05-03 | 杭州国电机械设计研究院有限公司 | A kind of ship lift ship compartment dehydration performance test method |
| 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 |
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Application publication date: 20120201 |