CN211895772U - Bank bridge economizer system with adjustable counter weight - Google Patents
Bank bridge economizer system with adjustable counter weight Download PDFInfo
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- CN211895772U CN211895772U CN201922306517.4U CN201922306517U CN211895772U CN 211895772 U CN211895772 U CN 211895772U CN 201922306517 U CN201922306517 U CN 201922306517U CN 211895772 U CN211895772 U CN 211895772U
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Abstract
The utility model discloses a bank bridge economizer system with adjustable counter weight, including hoisting mechanism, play to rise wire rope, balanced reducing gear box, balanced reel, balanced heavy wire rope, movable pulley and balance box, hoisting mechanism is connected with bank bridge dolly hoist through playing to rise wire rope, and hoisting mechanism still is connected with balanced reducing gear box transmission, and balanced reducing gear box is connected with balanced reel transmission, and balanced heavy wire rope's one end twines on balanced reel, and the other end walks around movable pulley and bank bridge structure fixed connection, movable pulley and balance box fixed connection, can dismantle in the balance box and be equipped with a plurality of balancing weights. The utility model discloses well balancing weight quantity can be according to hanging the weight gain or the reduction of getting the container, adjusts balanced heavy total weight, and energy-conserving effect reaches more than 25%, has still avoided traditional economizer system to arrange complicacy simultaneously, and complex operation's problem need not to influence the work efficiency of bank bridge to still improve economizer system's stability, guaranteed bank bridge stable in structure, bank bridge operation safety.
Description
Technical Field
The utility model relates to a harbour and pier container handling equipment technical field, especially a bank bridge economizer system with adjustable counter weight.
Background
Ocean transportation is the most dominant mode of transportation in international logistics, and with the development of world economy and international trade, the transportation volume of ocean transportation is also increasing year by year. The port and the wharf are connection points of water and land transportation, are collection and distribution places of trade materials at the inlet and the outlet, and play an important role in comprehensive transportation and promotion of economic development. Along with the increasing of the transportation volume of ocean transportation, the container handling capacity of the port and the pier is continuously increased, the port and the pier need to continuously improve the working efficiency, the operation cost of the port and the pier is also increased year by year, wherein the energy consumption of mechanical equipment of the port and the pier is an important component of the operation cost, and the operation condition of the port and the pier is directly influenced.
The shore bridge is one of the most important container loading and unloading devices in port and wharf, and is also a large-scale device with high energy consumption and frequent use in port machinery, and the loading and unloading of containers are realized by using a shore bridge trolley, so that the container ship can be directly operated. In order to effectively reduce the operation cost of the port and the wharf, the energy consumption of the shore bridge needs to be controlled, and the energy conservation and consumption reduction of the shore bridge are realized. At present, two energy-saving methods for a shore bridge are mainly used, one is to reduce the operation parameters of the shore bridge and reduce the power consumption equipment in the shore bridge, and although the method can achieve the purpose of reducing the energy consumption of the shore bridge, the working efficiency of the shore bridge can be affected, and the method cannot adapt to heavy container loading and unloading working pressure. The other energy-saving method for the shore bridge is to utilize the gravitational potential energy of the counterweight to offset part of energy consumption for hoisting the container, but in the existing counterweight energy-saving system, the counterweight is a fixed counterweight and cannot be adjusted according to the weight of the container, meanwhile, the air lines of container ships are different, the types of loaded containers are also different, the counterweight of the fixed counterweight has limited energy-saving effect on the containers with smaller weight or larger weight, and even can influence the structural balance of the shore bridge under extreme conditions, so that the structure stability of the shore bridge is not facilitated, and therefore, a novel energy-saving system for the shore bridge, which can adjust the weight of the counterweight, is required to be developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bank bridge economizer system with adjustable counter weight, overcome the complicated and loaded down with trivial details problem of control of wire winding among the traditional bank bridge energy-saving method, can be when loading and unloading different container ships, hang the counter weight of the different container weight regulation counterbalance weights of getting according to bank bridge dolly hoist, improve the energy-conserving effect of counterbalance weight, effectively reduce the energy consumption of bank bridge, and then reduce port and pier's operation cost, improve economic benefits, can also guarantee the balance of bank bridge structure simultaneously, improve the stability of bank bridge structure.
In order to solve the technical problem, the utility model discloses a following technical scheme: a bank bridge energy-saving system with adjustable balance weight comprises a lifting mechanism, a lifting steel wire rope, a balance reduction gearbox, a balance winding drum, a balance weight steel wire rope, a movable pulley and a balance box. The lifting mechanism is connected with a crane trolley lifting appliance through a lifting steel wire rope, the lifting mechanism is further in transmission connection with a balance reduction gearbox, the balance reduction gearbox is in transmission connection with a balance winding drum, one end of a balance weight steel wire rope is wound on the balance winding drum, the other end of the balance weight steel wire rope bypasses a movable pulley and is fixedly connected with a crane trolley structure, and the movable pulley is fixedly connected with the balance box. The balance box is internally detachably provided with a plurality of balancing weights, the number of the balancing weights can be adjusted according to the weight of the goods of a single container on the same container ship, and the containers in the same container ship have the same specification and the weight is close to each other, so that the more efficient energy-saving effect can be realized without frequently adjusting the number of the balancing weights. The moving distance that balanced reducing gear box can be through adjusting reduction ratio control balance box and balancing weight reduces the moving distance and can prevent that balanced heavy wire rope length is too big, weakens the external influence that receives.
In the bank bridge energy-saving system with the adjustable balance weight, the lifting mechanism comprises a motor, a lifting winding drum and a lifting reduction gearbox, the motor is in transmission connection with the lifting winding drum through the lifting reduction gearbox, the lifting winding drum is in transmission connection with the balance reduction gearbox, one end of a lifting steel wire rope is wound on the lifting winding drum, and the other end of the lifting steel wire rope is connected with a bank bridge trolley lifting appliance. The torque that bank bridge dolly hoist acted on the reel that rises through playing to rise wire rope is opposite with the torque direction that surge tank and a plurality of balancing weights acted on the reel through balancing weight wire rope, utilize surge tank and balancing weight to offset the moment of torsion of a part of bank bridge dolly hoist and container to the reel that rises to the moment of torsion of balancing reel, realize energy-conservation, reduce the energy consumption that a part of bank bridge carries out the action of rising, the motion direction of surge tank and balancing weight and bank bridge dolly hoist is opposite, when bank bridge dolly hoist is hung and is got the container and rise, surge tank and balancing weight descend.
The bank bridge energy-saving system with the adjustable balance weight further comprises a balance direction-changing pulley block, the balance direction-changing pulley block is arranged on the bank bridge structure, and the balance weight steel wire rope extends to the movable pulley after the extension direction of the balance weight steel wire rope is changed by the balance direction-changing pulley block. The effect of balanced redirection assembly pulley is the extending direction of adjusting balanced heavy wire rope, is convenient for arrange the position of balanced reel and balance box, improves the atress of balanced heavy wire rope and balance box simultaneously the utility model discloses a stability.
In bank bridge operation in-process, can steadily go up and down in order to guarantee bank bridge dolly hoist, hoisting mechanism in play to rise reel total two, two play to rise the reel and locate the both sides that play to rise the reducing gear box, play to rise wire rope also total two, every plays to rise wire rope and all twines on the play to rise reel of a difference, guarantees that the both ends of bank bridge dolly hoist can go up and down simultaneously, and the lift distance equals.
Because play to rise the reel total two among the bank bridge economizer system with adjustable of aforementioned counter weight, in order to guarantee stable in structure safety, the utility model provides a balanced reducing gear box, balanced reel, balanced heavy wire rope and movable pulley are two, and the balance box is one, two coaxial being fixed in on the balance box of movable pulley. The two balance reduction boxes are respectively in transmission connection with a lifting winding drum, and the two balance reduction boxes and the two balance winding drums are symmetrically arranged on two sides of the lifting mechanism. The counterweight steel wire rope is led out from different balance drums, is redirected by the redirection pulley block and then extends to the movable pulley, and each counterweight steel wire rope is fixedly connected with the shore bridge structure after respectively bypassing a different movable pulley. Two balanced heavy wire rope of twining on two different balanced reels drive a balance box and balancing weight up-and-down motion jointly after changing to, this kind of arrangement's advantage lies in conveniently adjusting the balancing weight, when needs change balancing weight quantity, only need adjust once can accomplish.
The utility model discloses still there is the form of arranging, balanced reducing gear box, balanced reel, balanced weight wire rope, movable pulley and balance box be two, two balanced reducing gear boxes are connected with a play to rise reel transmission separately, hoisting mechanism's both sides are located to two balanced reducing gear boxes, balanced reel, balanced weight wire rope, movable pulley and balance box symmetry, the balance box and the balancing weight of both sides cooperate simultaneously, prevent that one side is overweight among the bank bridge structure, influence the stability of bank bridge structure. Compare in the arrangement of a balance box, two balance box symmetrical arrangement are favorable to the stability of bank bridge structure, guarantee bank bridge both sides atress balanced.
When the quay crane operates normally, the quay crane energy-saving system with the adjustable balance weight can adjust the weight of a container lifted by a quay crane trolley lifting appliance, and when the balance boxes are fully loaded, namely the number of the balance weights is the largest, the torque of all the balance boxes and the balance weights inside the balance boxes acting on the balance winding drum through the balance weight steel wire rope is equal to the torque of the quay crane trolley lifting appliance, the weight of goods 1/2-2/3 in an empty container and the container acting on the lifting winding drum through the lifting steel wire rope.
The utility model discloses in the centre that the balance box is located bank bridge door leg stand, the inside up-and-down motion of balance box at bank bridge door leg stand. Balance box and balancing weight realize energy-conserving effect through the up-and-down motion, but directly hang balance box and balancing weight outside and receive external factor's influence easily, take place to rock the swing, can collide with the bank bridge structure, influence bank bridge structure safety, the utility model provides a balance box is located bank bridge gate leg stand, can weaken the influence that the balance box received as far as, improves the security and the stability of bank bridge structure.
The utility model discloses in the quantity of balancing weight be 3-9, balancing weight parallel arrangement is in the balancing tank, the utility model discloses well balancing weight's quantity can be adjusted according to the weight of container, the quantity of balancing weight is too little, and adjustable effect is limited, and the regulation effect is not obvious, and the quantity of balancing weight is too much can increase the regulation degree of difficulty and adjust time, and then reduces the operating efficiency of bank bridge.
Compared with the prior art, the utility model discloses an useful part lies in: the utility model provides a bank bridge economizer system with adjustable counter weight, the energy consumption of bank bridge is reduced to the energy-conserving method of counter weight, practices thrift the operation cost at harbour pier, need not to reduce the consumer of bank bridge or reduce the operational parameter of bank bridge, and energy-conserving effect reaches more than 25%, the utility model provides a counter weight quantity can be according to bank bridge dolly hoist hang the weight increase or the reduction of getting the container, adjusts the total weight of counter weight, and energy-conserving effect further improves, has still avoided traditional economizer system to arrange complicacy simultaneously, complex operation's problem, and the utility model discloses still improve economizer system's stability, guaranteed bank bridge stable in structure, bank bridge operation safety.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a hoisting mechanism in the present invention;
FIG. 3 is a schematic structural diagram of a balancing box of the present invention;
fig. 4 is a schematic structural view of lifting winding in the present invention;
fig. 5 is a schematic structural diagram of the present invention in which two balancing weight wire ropes are connected to the same balancing box.
The meaning of the reference numerals: 1-a lifting mechanism, 2-a lifting steel wire rope, 3-a balance reduction box, 4-a balance reel, 5-a balance steel wire rope, 6-a movable pulley, 7-a balance box, 8-a balancing weight, 9-a motor, 10-a lifting reel, 11-a lifting reduction box and 12-a balance redirection pulley block.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
As shown in fig. 2 and 4, the hoisting mechanism 1 in this embodiment includes a motor 9, a hoisting drum 10 and a hoisting reduction box 11, the motor 9 is in transmission connection with the hoisting drum 10 through the hoisting reduction box 11, the hoisting drum 10 is in transmission connection with the balance reduction box 3, one end of the hoisting steel wire rope 2 is wound on the hoisting drum 10, and the other end of the hoisting steel wire rope 2 is connected with a crane of a quayside container crane; the torque of the crane trolley lifting appliance acting on the lifting drum 10 through the lifting steel wire rope 2 is opposite to the torque of the balance box 7 and seven balancing weights 8 acting on the balance drum 4 through the balancing weight steel wire rope 5. This embodiment utilizes surge tank 7 and balancing weight 8 combined action, offsets the energy consumption that a part bank bridge dolly hoist hung and gets the container, and the direction of motion of surge tank 7 and balancing weight 8 is opposite with the direction of motion of bank bridge dolly hoist, and when bank bridge dolly hoist and container rose, surge tank 7 and balancing weight 8 descend.
As shown in fig. 2 and 4, the hoisting mechanism 1 in this embodiment includes a motor 9, a hoisting drum 10 and a hoisting reduction box 11, the motor 9 is in transmission connection with the hoisting drum 10 through the hoisting reduction box 11, the hoisting drum 10 is in transmission connection with the balance reduction box 3, one end of the hoisting steel wire rope 2 is wound on the hoisting drum 10, and the other end of the hoisting steel wire rope 2 is connected with a crane of a quayside container crane; the torque of the crane trolley lifting appliance acting on the lifting drum 10 through the lifting steel wire rope 2 is opposite to the torque of the balance box 7 and the three balancing weights 8 acting on the balance drum 4 through the balancing weight steel wire rope 5. This embodiment utilizes surge tank 7 and balancing weight 8 combined action, offsets the energy consumption that a part bank bridge dolly hoist hung and gets the container, and the direction of motion of surge tank 7 and balancing weight 8 is opposite with the direction of motion of bank bridge dolly hoist, and when bank bridge dolly hoist and container rose, surge tank 7 and balancing weight 8 descend.
As shown in fig. 1, the present embodiment further includes a balancing direction-changing pulley block 12, the balancing direction-changing pulley block 12 is disposed on the quay crane structure, and the counterweight steel wire rope 5 changes an extending direction through the balancing direction-changing pulley block 12 and then extends to the movable pulley 6. The balance direction-changing pulley block 12 is used for adjusting the extending direction of the balance weight steel wire rope 5, so that the positions of the balance box 7 and the balance winding drum 4 can be adjusted conveniently.
As shown in fig. 2, the hoisting mechanism 1 described in this embodiment has two hoisting drums 10, the two hoisting drums 10 are disposed on two sides of the hoisting reduction box 11, the two hoisting cables 2 are also two, each hoisting cable 2 is wound around a different hoisting drum 10, the two hoisting drums 10 and the hoisting cables 2 are respectively connected to the left and right ends of the crane trolley lifting device, so that the stress balance of the crane trolley lifting device can be ensured, and the two ends synchronously lift, thereby preventing accidents such as overturning.
As shown in fig. 1, the number of the lifting reels 10 in the embodiment is two, in order to reduce the tension of the balance reel 4 and the balance weight wire rope 5, the balance reduction boxes 3, the balance reel 4, the balance weight wire rope 5, the movable pulley 6 and the balance box 7 in the embodiment are also two, the two balance reduction boxes 3 are respectively in transmission connection with one lifting reel 10, the two balance reduction boxes 3, the balance reel 4, the balance weight wire rope 5, the movable pulley 6 and the balance box 7 are symmetrically arranged on two sides of the lifting mechanism 1, the balance box 7 and the balancing weight block 8 are arranged on two sides of the quayside structure, which is beneficial to the structural balance of the quayside crane, and meanwhile, the damage of the balance reel 4 and the balance weight wire rope 5 on one side can be avoided, so that the.
When the shore bridge normally operates, the quantity of balancing weights 8 in the balancing box 7 in this embodiment is adjusted according to the weight of the container, and when the balancing box 7 is fully loaded, namely when three balancing weights 8 are all used, the torque of the balancing boxes 7 and the balancing weights 8 inside the balancing boxes act on the balancing reel 4 through the balancing weight steel wire rope 5 is equal to the torque of the hoisting reel through the hoisting steel wire rope in the cargo weight of 1/2 in the shore bridge trolley sling, the empty container and the container.
As shown in fig. 2 and 4, the hoisting mechanism 1 in this embodiment includes a motor 9, a hoisting drum 10 and a hoisting reduction box 11, the motor 9 is in transmission connection with the hoisting drum 10 through the hoisting reduction box 11, the hoisting drum 10 is in transmission connection with the balance reduction box 3, one end of the hoisting steel wire rope 2 is wound on the hoisting drum 10, and the other end of the hoisting steel wire rope 2 is connected with a crane of a quayside container crane; the torque of the crane trolley lifting appliance acting on the lifting drum 10 through the lifting steel wire rope 2 is opposite to the torque of the balance box 7 and five balancing weights 8 acting on the balance drum 4 through the balancing weight steel wire rope 5. This embodiment utilizes surge tank 7 and balancing weight 8 combined action, offsets the energy consumption that a part bank bridge dolly hoist hung and gets the container, and the direction of motion of surge tank 7 and balancing weight 8 is opposite with the direction of motion of bank bridge dolly hoist, and when bank bridge dolly hoist and container rose, surge tank 7 and balancing weight 8 descend.
As shown in fig. 1, the present embodiment further includes a balancing direction-changing pulley block 12, the balancing direction-changing pulley block 12 is disposed on the quay crane structure, and the counterweight steel wire rope 5 changes an extending direction through the balancing direction-changing pulley block 12 and then extends to the movable pulley 6. The balance direction-changing pulley block 12 is used for adjusting the extending direction of the balance weight steel wire rope 5, so that the positions of the balance box 7 and the balance winding drum 4 can be adjusted conveniently.
As shown in fig. 2, the hoisting mechanism 1 described in this embodiment has two hoisting drums 10, the two hoisting drums 10 are disposed on two sides of the hoisting reduction box 11, the two hoisting cables 2 are also two, each hoisting cable 2 is wound around a different hoisting drum 10, the two hoisting drums 10 and the hoisting cables 2 are respectively connected to the left and right ends of the crane trolley lifting device, so that the stress balance of the crane trolley lifting device can be ensured, and the two ends synchronously lift, thereby preventing accidents such as overturning.
As shown in fig. 1, the number of the lifting reels 10 in the embodiment is two, in order to reduce the tension of the balance reel 4 and the balance weight wire rope 5, the balance reduction boxes 3, the balance reel 4, the balance weight wire rope 5, the movable pulley 6 and the balance box 7 in the embodiment are also two, the two balance reduction boxes 3 are respectively in transmission connection with one lifting reel 10, the two balance reduction boxes 3, the balance reel 4, the balance weight wire rope 5, the movable pulley 6 and the balance box 7 are symmetrically arranged on two sides of the lifting mechanism 1, the balance box 7 and the balancing weight block 8 are arranged on two sides of the quayside structure, which is beneficial to the structural balance of the quayside crane, and meanwhile, the damage of the balance reel 4 and the balance weight wire rope 5 on one side can be avoided, so that the.
When the shore bridge normally operates, the quantity of the balancing weights 8 in the balancing box 7 is adjusted according to the weight of the container, when the balancing box 7 is fully loaded, and five balancing weights 8 are all used, the torque of the two balancing boxes 7 and the internal balancing weights 8 acting on the balancing reel 4 through the balancing weight steel wire rope 5 is equal to the torque of the hoisting reel acted on by the cargo weight of 2/3 in a shore bridge trolley lifting appliance, an empty container and a container through the hoisting steel wire rope.
As shown in fig. 1, the balance box 7 in the present embodiment is located in the middle of the shore bridge gate leg column, and the balance box 7 moves up and down inside the shore bridge gate leg column. The influence of external factors on balance box 7 and balancing weight 8 can be reduced to bank bridge gate leg stand, prevents that balance box 7 from taking place to sway and rock, threatens bank bridge structural safety.
As shown in fig. 2 and 4, the hoisting mechanism 1 in this embodiment includes a motor 9, a hoisting drum 10 and a hoisting reduction box 11, the motor 9 is in transmission connection with the hoisting drum 10 through the hoisting reduction box 11, the hoisting drum 10 is in transmission connection with the balance reduction box 3, one end of the hoisting steel wire rope 2 is wound on the hoisting drum 10, and the other end of the hoisting steel wire rope 2 is connected with a crane of a quayside container crane; the torque of the crane trolley lifting appliance acting on the lifting drum 10 through the lifting steel wire rope 2 is opposite to the torque of the balance box 7 and nine balancing weights 8 acting on the balance drum 4 through the balancing weight steel wire rope 5. This embodiment utilizes surge tank 7 and balancing weight 8 combined action, offsets the energy consumption that a part bank bridge dolly hoist hung and gets the container, and the direction of motion of surge tank 7 and balancing weight 8 is opposite with the direction of motion of bank bridge dolly hoist, and when bank bridge dolly hoist and container rose, surge tank 7 and balancing weight 8 descend.
As shown in fig. 1, the present embodiment further includes a balancing direction-changing pulley block 12, the balancing direction-changing pulley block 12 is disposed on the quay crane structure, and the counterweight steel wire rope 5 changes an extending direction through the balancing direction-changing pulley block 12 and then extends to the movable pulley 6. The balance direction-changing pulley block 12 is used for adjusting the extending direction of the balance weight steel wire rope 5, so that the positions of the balance box 7 and the balance winding drum 4 can be adjusted conveniently.
As shown in fig. 2, the hoisting mechanism 1 described in this embodiment has two hoisting drums 10, the two hoisting drums 10 are disposed on two sides of the hoisting reduction box 11, the two hoisting cables 2 are also two, each hoisting cable 2 is wound around a different hoisting drum 10, the two hoisting drums 10 and the hoisting cables 2 are respectively connected to the left and right ends of the crane trolley lifting device, so that the stress balance of the crane trolley lifting device can be ensured, and the two ends synchronously lift, thereby preventing accidents such as overturning.
As shown in fig. 5, in the present embodiment, there are two balance reduction boxes 3, two balance drums 4, two balance weight wire ropes 5, and two movable pulleys 6, and one balance box 7, where the two movable pulleys 6 are coaxially fixed on the balance box 7. The two balance reduction boxes 3 are respectively in transmission connection with a lifting winding drum 10, and the two balance reduction boxes 3 and the two balance winding drums 4 are symmetrically arranged on two sides of the lifting mechanism 1. The counterweight steel wire ropes 5 are led out from different counterweight drums 4, are redirected by the redirection pulley block 12 and then extend to the movable pulley 6, and the two counterweight steel wire ropes 5 are fixedly connected with the shore bridge structure after respectively bypassing one movable pulley 6. The balancing weight in this embodiment is in great quantity, and accommodation range is great, sets up the quantity that balancing box 7 can quick adjustment balancing weight 8, improves the work efficiency of bank bridge.
When the shore bridge normally operates, the quantity of balancing weights 8 in the balancing box 7 in this embodiment is adjusted according to the weight of the container, and when the balancing box 7 is fully loaded, namely nine balancing weights 8 are all used, the torque of the balancing box 7 and nine balancing weights 8 inside the balancing box act on the balancing reel 4 through the balancing weight wire rope 5 is equal to the torque of the hoisting reel through the hoisting wire rope used for hoisting the cargo weight of 2/3 in the shore bridge trolley sling, the empty container and the container.
As shown in fig. 1, the balance box 7 in the present embodiment is located in the middle of the shore bridge gate leg column, and the balance box 7 moves up and down inside the shore bridge gate leg column. The influence of external factors on balance box 7 and balancing weight 8 can be reduced to bank bridge gate leg stand, prevents that balance box 7 from taking place to sway and rock, threatens bank bridge structural safety.
The utility model discloses a theory of operation: the utility model discloses utilize the energy-conserving partial energy consumption of keeping away from when reducing bank bridge dolly hoist and hang and get container rising of balancing weight, play energy-conserving effect, compare in traditional balancing weight economizer system, the utility model provides a balancing weight 8 quantity can be adjusted according to the weight of container, in the actual work, because the air route of container ship is different, the container type and the weight of loading are also different, when the heavy case of container generally for being greater than 20 tons on the ship, increase balancing weight 8's quantity, when the light case of container generally for being less than 10 tons on the ship, reduce balancing weight 8's quantity, adjust according to actual conditions, further improve energy-conserving effect.
Claims (9)
1. The utility model provides a bank bridge economizer system with adjustable counter weight which characterized in that: the crane comprises a hoisting mechanism (1), a hoisting steel wire rope (2), a balance reduction box (3), a balance reel (4), a counterweight steel wire rope (5), a movable pulley (6) and a balance box (7), wherein the hoisting mechanism (1) is connected with a crane trolley lifting appliance through the hoisting steel wire rope (2), the hoisting mechanism (1) is also in transmission connection with the balance reduction box (3), the balance reduction box (3) is in transmission connection with the balance reel (4), one end of the counterweight steel wire rope (5) is wound on the balance reel (4), the other end of the counterweight steel wire rope (5) bypasses the movable pulley (6) to be fixedly connected with a crane structure, and the movable pulley (6) is fixedly connected with the balance box (7); a plurality of balancing weights (8) are detachably arranged in the balancing box (7).
2. The counterweight-adjustable shore bridge energy saving system according to claim 1, wherein: the hoisting mechanism (1) comprises a motor (9), a hoisting drum (10) and a hoisting reduction gearbox (11), the motor (9) is in transmission connection with the hoisting drum (10) through the hoisting reduction gearbox (11), the hoisting drum (10) is in transmission connection with the balance reduction gearbox (3), one end of a hoisting steel wire rope (2) is wound on the hoisting drum (10), and the other end of the hoisting steel wire rope (2) is connected with a crane trolley hanger; the torque of the crane trolley lifting appliance acting on the lifting reel (10) through the lifting steel wire rope (2) is opposite to the torque of the balance box (7) and the balance weights (8) acting on the balance reel (4) through the balance weight steel wire rope (5).
3. The counterweight-adjustable shore bridge energy saving system according to claim 2, wherein: the balance direction-changing pulley block (12) is arranged on the quay crane structure, and the counterweight steel wire rope (5) changes the extending direction through the balance direction-changing pulley block (12) and then extends to the movable pulley (6).
4. The counterweight adjustable shore bridge energy saving system according to claim 3, wherein: the lifting mechanism is characterized in that the number of the lifting winding drums (10) in the lifting mechanism (1) is two, the two lifting winding drums (10) are arranged on two sides of a lifting reduction box (11), the number of the lifting steel wire ropes (2) is two, and each lifting steel wire rope (2) is wound on one different lifting winding drum (10).
5. The counterweight adjustable shore bridge energy saving system according to claim 4, wherein: the balance reduction box (3), the balance winding drum (4), the balance weight steel wire rope (5) and the movable pulley (6) are two, the balance box (7) is one, and the two movable pulleys (6) are coaxially fixed on the balance box (7); the two balance reduction boxes (3) are respectively in transmission connection with a lifting winding drum (10), and the two balance reduction boxes (3) and the two balance winding drums (4) are symmetrically arranged on two sides of the lifting mechanism (1); the balance weight steel wire rope (5) is led out from different balance drums (4), and extends to the movable pulley (6) after being changed direction through the direction changing pulley block (12), and each balance weight steel wire rope (5) is fixedly connected with the shore bridge structure after respectively bypassing one different movable pulley (6).
6. The counterweight adjustable shore bridge energy saving system according to claim 4, wherein: balance reduction box (3), balance reel (4), balanced heavy wire rope (5), movable pulley (6) and balance box (7) are two, and two balance reduction box (3) are respectively with one play to rise reel (10) transmission and be connected, and two balance reduction box (3), balance reel (4), balanced heavy wire rope (5), movable pulley (6) and balance box (7) symmetry are located the both sides of hoisting mechanism (1).
7. The counterweight-adjustable shore bridge energy saving system according to claim 5 or 6, wherein: when the balance boxes (7) are fully loaded, namely the number of the counterweight blocks (8) is the maximum, the torque of all the balance boxes (7) and the counterweight blocks (8) inside the balance boxes acting on the balance reel (4) through the counterweight steel wire rope (5) is equal to the torque of the crane trolley lifting appliance, the cargo weights of 1/2-2/3 in an empty container and a container acting on the lifting reel (10) through the lifting steel wire rope (2).
8. The counterweight-adjustable shore bridge energy saving system according to claim 1 or 2, wherein: the balance box (7) is located in the middle of the shore bridge door leg stand column, and the balance box (7) moves up and down in the shore bridge door leg stand column.
9. The counterweight-adjustable shore bridge energy saving system according to claim 1 or 2, wherein: the number of the balancing weights (8) is 3-9, and the balancing weights (8) are arranged in the balancing box (7) in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922306517.4U CN211895772U (en) | 2019-12-19 | 2019-12-19 | Bank bridge economizer system with adjustable counter weight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306517.4U CN211895772U (en) | 2019-12-19 | 2019-12-19 | Bank bridge economizer system with adjustable counter weight |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441518A (en) * | 2020-12-15 | 2021-03-05 | 上海振华重工(集团)股份有限公司 | Lifting appliance adjusting mechanism and shore bridge |
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2019
- 2019-12-19 CN CN201922306517.4U patent/CN211895772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441518A (en) * | 2020-12-15 | 2021-03-05 | 上海振华重工(集团)股份有限公司 | Lifting appliance adjusting mechanism and shore bridge |
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