CN2808861Y - Four-roller differential lifting mechanism for bis-40' quayside container crane - Google Patents
Four-roller differential lifting mechanism for bis-40' quayside container crane Download PDFInfo
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- CN2808861Y CN2808861Y CN 200520040675 CN200520040675U CN2808861Y CN 2808861 Y CN2808861 Y CN 2808861Y CN 200520040675 CN200520040675 CN 200520040675 CN 200520040675 U CN200520040675 U CN 200520040675U CN 2808861 Y CN2808861 Y CN 2808861Y
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 85
- 238000004804 winding Methods 0.000 claims description 29
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract 6
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model relates to a four-rolling drum differential hoisting mechanism for a double-40-foot quayside container hoist, which comprises a motor, a speed reducer, high-speed brakes thereof, rolling drums and rolling drum brakes thereof. The utility model is characterized in that the utility model is at least provided with one motor; the speed reducer connected to the output end of the motor is a planetary differential speed reducer, and has a plurality of high-speed input shafts, low-speed output shafts and differential outlet shafts; the high-speed input shafts are connected with the output shaft of the motor; at least one high-speed brake is arranged on each high-speed input shaft; four double-rope rolling drums are connected to the four low-speed output shafts; at least one rolling drum brake is arranged on each rolling drum; the utility model also comprises a differential shaft brake composed of at least two differential shaft brakes arranged on the two differential outlet shafts. The two differential outlet shafts of the planetary differential speed reducer are controlled to rotate by the two differential shaft brake in order to reach power distribution to the planetary differential speed reducer and realize double-hoist simultaneous work or single-hoist work. Thereby, the requirements for loading and unloading are satisfied, and the loading and unloading efficiency of the container hoist is increased by more than 60%.
Description
Technical Field
The utility model relates to a hoisting mechanism of hoist especially relates to a four reel differential hoisting mechanism of two 40 feet bank side container crane.
Background
With the rapid development of container transportation, the transportation ships tend to be large-sized and high-speed, so that the wharf is required to be configured to meet the requirements of the rapidly-developed ship transportation industry, and a shore container crane with higher efficiency is arranged.
The main hoisting mechanism of the existing crane only has the function of hoisting and descending one spreader, so that only one 40-foot container or 2 20-foot containers can be hoisted at a time, the production efficiency is limited, and the market demand cannot be met.
Disclosure of Invention
An object of the utility model is to provide a four reel differential hoisting mechanism of two 40 feet bank container crane of modified, it enables the hoisting mechanism of one set of motor and reduction gear once can hoist 2 40 or 45 foot casees (or 4 20 feet containers) to can not only realize the synchronous operation and the single hoist operation of two hoists, can improve handling efficiency more than 60% simultaneously, thereby can adapt to the demand of the shipping industry to handling efficiency of developing day by day.
The purpose of the utility model is realized like this:
a four drum differential hoist mechanism for a dual 40 foot shore container crane, comprising: the device comprises a motor, a speed reducer arranged on an output shaft of the motor, a speed reducer connected to the output shaft of the motor, a high-speed brake arranged at the input end of the speed reducer, a plurality of double rope-outlet winding drums connected to the output end of the speed reducer, and a plurality of winding drum brakes respectively connected with the double rope-outlet winding drums;
the method is characterized in that:
at least one motor is arranged;
the reducer connected with the output end of the motor adopts a planetary differential reducer; the planetary differential reducer has a plurality of low-speed output shafts, a high-speed input shaft and a differential output shaft for controlling power distribution;
the output shaft of the motor is connected with the high-speed input shaft of the planetary differential reducer, and at least one high-speed brake is arranged on the high-speed input shaft of the planetary differential reducer;
each double rope-outlet winding drum is connected to a low-speed output shaft of the planetary differential speed reducer, and each double rope-outlet winding drum is provided with at least one winding drum brake;
further comprising: and the differential shaft brake is connected with a differential output shaft of the planetary differential speed reducer.
In the four-drum differential hoisting mechanism of the double 40-foot shore container crane, the front and the rear of the planetary differential reducer arranged at the output end of the motor are respectively provided with a land side output and a sea side output;
the land side output is provided with two low-speed output shafts which are respectively connected with two double rope outlet winding drums on the land side, the two double rope outlet winding drums are provided with four outlet ropes which are connected with a lifting appliance;
the sea side output has two low-speed output shafts, the two low-speed output shafts are respectively connected with two double rope-outlet winding drums on the sea side, the two double rope-outlet winding drums have four ropes, and the two double rope-outlet winding drums are connected with another lifting appliance.
In the four-reel differential hoisting mechanism of the double 40-foot shore container crane, the two motors are arranged, namely the first motor and the second motor; wherein,
the output shaft of the first motor is connected with a high-speed input shaft of the planetary differential speed reducer, and two high-speed brakes are arranged on the high-speed input shaft of the planetary differential speed reducer;
the output shaft of the second motor is connected with the other high-speed input shaft of the planetary differential speed reducer; two high-speed brakes are provided on the high-speed input shaft of the planetary differential speed reducer.
In the four-reel differential hoisting mechanism of the double 40-foot shore container crane, the motor is provided as a motor, and an output shaft of the motor is connected with a high-speed input shaft of the planetary differential reducer; two high-speed brakes are provided on the high-speed input shaft of the planetary differential speed reducer.
In the four-drum differential hoisting mechanism of the double 40-foot shore container crane, two drum brakes are respectively arranged on the two double rope-outgoing drums on the land side; two reel brakes are respectively arranged on the two double rope-out reels at the sea side.
In the four-reel differential lifting mechanism of the double 40-foot shore container crane, the differential shaft brake comprises a first differential shaft brake and a second differential shaft brake for controlling the power distribution of the planetary differential speed reducer, and the two differential shaft brakes are respectively connected with two differential output shafts of the planetary differential speed reducer.
The utility model discloses two 40 feet bank container crane four reel differential lifting mechanism are owing to adopted foretell technical scheme, make it compare with prior art, have following advantage and positive effect:
1. the utility model adopts the planetary differential reducer with two-side output to replace the reducer in the prior art, namely, one set of motor and reducer are used to connect two sets of hoisting mechanisms, and the power is automatically distributed on each winding drum according to the actual external loading torque through the planetary differential reducer, thereby realizing the synchronous operation of double slings, namely hoisting 2 40 or 45 foot containers (or 4 20 feet containers) at a time, and improving the loading and unloading efficiency of the quayside container crane by more than 60 percent;
2. the utility model adopts a planet differential speed reducer and two differential shaft brakes arranged on the planet differential speed reducer, and can realize the synchronous operation of double lifting appliances or the working state of a single lifting appliance to meet the loading and unloading requirements through the control of the two differential shaft brakes on the differential output shaft; such as, for example,
if all differential shaft brakes are braked and all reel brakes are opened, power is automatically distributed to each reel according to actual external load torque, and therefore synchronous operation of the double lifting appliances is achieved;
if one differential shaft brake is braked and the other differential shaft brake is opened, the braked differential shaft brake limits the rotation of the corresponding differential output shaft of the planetary differential speed reducer, the torque is transmitted to the winding drum on the corresponding side, and the opened differential output shaft is not restrained, so that the torque cannot be transmitted to the winding drum on the other side, and the single-hanger operation can be realized;
3. the utility model discloses owing to adopt two sets of hoisting mechanisms of one set of planet differential reduction gear drive, not only reduce equipment such as motor, driver (reduction gear), make it simple structure light in weight to the maintenance is simple.
Drawings
The objects, specific structural features and advantages of the present invention can be further understood by the following description of several embodiments of the four-reel differential lifting mechanism of the dual 40-foot quayside container crane in conjunction with the accompanying drawings. Wherein, the attached drawings are as follows:
fig. 1 is a schematic structural view of a crane hoisting mechanism with two motors according to a first embodiment of the four-drum differential hoisting mechanism of the double 40-foot quayside container crane of the present invention;
fig. 2 is a schematic structural diagram of a crane hoisting mechanism with one motor according to a second embodiment of the four-drum differential hoisting mechanism of the double 40-foot quayside container crane of the present invention.
Detailed Description
Fig. 1 and 2 are schematic structural views of a four-drum differential hoisting mechanism of a double 40-foot quayside container crane according to the present invention. The utility model discloses hoisting mechanism includes: the system comprises a motor 10, a speed reducer 20 connected with the motor 10, a high-speed brake arranged at the input end of the speed reducer 20, a plurality of double rope-outlet winding drums 30 connected at the output end of the speed reducer 20, a plurality of winding drum brakes 40 arranged on the double rope-outlet winding drums 30, and a differential shaft brake 50 connected with the speed reducer 20 and used for controlling the power distribution of the speed reducer 20.
The motor 10 can be provided with one motor or two motors according to the condition of motor power; in the present invention, the reducer 20 provided at the output end of the motor 10 is a planetary differential reducer, and the planetary differential reducer 20 has a plurality of low-speed output shafts, high-speed input shafts, and differential output shafts for controlling power distribution; the output shaft of the motor 10 is connected with the high-speed input shaft of the planetary differential reducer 20, and at least one high-speed brake is arranged on the high-speed input shaft of the planetary differential reducer 20; each double rope outlet reel 30 is respectively connected to each low-speed output shaft of the planetary differential speed reducer 20, and at least one reel brake 40 is arranged on each double rope outlet reel 30; the differential axle brake 50 is used to control the power distribution of the planetary differential speed reducer 20, and in order to achieve the control of the land side spreader and the sea side spreader respectively, the differential axle brake 50 has a first differential axle brake 51 and a second differential axle brake 52, and the two differential axle brakes 51 and 52 are respectively connected to the differential output shafts of the two planetary gear trains of the planetary differential speed reducer 20; the rotation of the differential output shafts of the two planetary gear trains of the planetary differential speed reducer 20 is controlled by the two differential shaft brakes 51 and 52, so that the land-side double-rope-output winding drum and the sea-side double-rope-output winding drum can be controlled to rotate simultaneously, and the land-side double-rope-output winding drum or the sea-side double-rope-output winding drum can be controlled to rotate independently respectively, so that the synchronous control of a land-side lifting appliance and a sea-side lifting appliance can be realized simultaneously, and the independent control of the land-side lifting appliance and the sea-side lifting appliance can be realized respectively.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a four-reel differential hoisting mechanism of a double 40-foot quayside container crane according to a first embodiment of the present invention, i.e., a crane hoisting mechanism with two motors. In this embodiment, the hoisting mechanism of the present invention comprises a motor 10, a speed reducer 20, a plurality of double rope-discharging reels 30, a plurality of reel brakes 40, and a differential shaft brake 50.
In the present embodiment, the motor 10 is provided in two, i.e., the first motor 11 and the second motor 12. The planetary differential reducer 20 provided at the output end of the motor 10 has a plurality of high-speed input shafts, low-speed output shafts, and differential output shafts that control power distribution.
Of the two high-speed input shafts of the planetary differential speed reducer 20, the output shaft of the first electric machine 11 is connected to a high-speed input shaft 23 of the planetary differential speed reducer 20, and two high-speed brakes 111 and 112 are provided on the high-speed input shaft 23; the output shaft of the second electric machine 12 is connected to the other high-speed input shaft 24 of the planetary differential reducer 20, and two high-speed brakes 121 and 122 are provided on the high-speed input shaft 24.
The planetary differential 20 is provided with a land side output 21 and a sea side output 22 having a plurality of low speed output shafts at the front and rear thereof, respectively, each for driving rotation of the drum. In the present embodiment, the land side output 21 has two low speed output shafts 211 and 212, which are respectively connected to the two double rope-outgoing drums 31 and 32 on the land side, and the two double rope-outgoing drums 31 and 32 on the land side have four outgoing ropes in total, which are commonly connected to a spreader; the sea side output 22 has two low speed output shafts 221 and 222 which are connected to the two sea side double rope outlet drums 33 and 34, respectively, and the sea side double rope outlet drums 33 and 34 have four ropes in total, which are connected to another spreader in common. The two double rope-outgoing drums 31 and 32 on the land side rotate along with the planetary differential reducer 20 through the rotation of the two low-speed output shafts 211 and 212 on the land side; the two sea-side double rope-outgoing reels 33 and 34 are rotated by the rotation of the two sea-side low-speed output shafts 221 and 222 of the planetary differential reducer 20.
The two rope-discharging reels 30 are respectively provided with a reel brake 40 for controlling the rotation of the two rope-discharging reels 30, and in order to realize the emergency braking of two lifting appliances on land and sea sides and convert the lifting and descending of the two lifting appliances into the lifting and descending of one lifting appliance, the two reel brakes 40 are respectively arranged on the two rope-discharging reels 30, namely, the two rope-discharging reels 31 and 32 on land sides are respectively provided with two reel brakes 41 and 42; two spool brakes 43 and 44 are provided on the two double payout spools 33 and 34 on the sea side, respectively.
The differential shaft brake 50 is disposed on the differential output shaft of the planetary differential reducer 20 for controlling the power distribution of the planetary differential reducer 20. In the present embodiment, the differential axle brake 50 for controlling deceleration has two first differential axle brakes 51 and two second differential axle brakes 52 for controlling power distribution of the planetary mechanism, and the two planetary mechanism differential axle brakes 51 and 52 are connected to two brake differential output shafts of the planetary differential speed reducer 20 to control the operating states of the two rope output reels on the land side and the sea side; wherein, the first differential shaft brake 51 is connected to a differential output shaft of the planetary differential speed reducer 20, and the differential output shaft is connected to the two double rope output reels 31 and 32 for controlling the working state of one side; the second differential brake 52 is connected to the other differential output shaft of the planetary differential reducer 20, which is connected to the two double output rope reels 33 and 34 on the other side for controlling the operating state.
The control principle of the differential shaft brake 50 for controlling the planetary differential gear set is as follows:
if the two differential shaft brakes 51 and 52 are fully braked, all the high-speed shaft brakes and the drum brake 40 are opened, and power is automatically distributed to the corresponding sea-side drum and land-side drum according to external load torque;
if one differential shaft brake of the two planetary mechanism differential shaft brakes 51 and 52 is opened and the other differential shaft brake is braked, the power is intensively transmitted to the reel with the opened reel brake, and the reel with the closed reel brake on the other side does not obtain the torque of the motor;
if, on the other hand, the braking and opening of the two differential shaft brakes are reversed, the power is transmitted in a concentrated manner to the spool on the other side which is already open and which has the spool brake on the other side closed, without the torque of the electric motor being available for the spool brake on the opposite side.
Referring to fig. 2 in conjunction with fig. 1, fig. 2 is a schematic structural diagram of a crane hoisting mechanism having a motor according to a second embodiment of the four-reel differential hoisting mechanism of the dual 40-foot quayside container crane of the present invention. In this embodiment, the crane hoist is comprised of a motor 10, a speed reducer 20, a plurality of double rope exit reels 30, a plurality of reel brakes 40, and a differential shaft brake 50.
The present embodiment is different from the first embodiment in that, when the power of the motor 10 is sufficiently large, the motor 10 may be provided with one motor 11; at this time, the output shaft of the motor 11 is connected to a high-speed input shaft 23 of the planetary differential reducer 20, and two high-speed brakes 111 and 112 are provided on the high-speed input shaft 23.
Please refer to fig. 1 and 2, how to realize the synchronous operation of the dual spreaders and the operation of the single spreader on any side.
The utility model provides a two planet mechanisms are first, the differential axle stopper 51 of second and 52 go out the rotation of axle through the differential of two planet trains of control planet differential reduction gear 20 to rotate when the reel of control land side, the reel of sea side, the reel of also can control land side, the reel of sea side independently rotates respectively, reaches the synchro control who realizes land side hoist and sea side hoist simultaneously, also can reach the control to land side hoist and sea side hoist respectively.
When two hoist simultaneous operation of needs:
the differential shaft brakes 51 and 52 are all braked, all the high-speed shaft brakes 111 and 112 and the reel brake 40 are opened, the power of the motor 11 is simultaneously output to the reels 31 and 32 through the low-speed output shaft of the planetary differential speed reducer 20, so that the crane can simultaneously hoist double 40 (or 45) foot boxes, or one 40 (or 45) foot box plus 2 20 foot boxes, or 4 20 foot boxes;
when the operation of a single-side lifting appliance is required:
when one of the differential shaft brakes 51 and 52 is opened and the other brake is braked, the power is intensively transmitted to the reel with the opened reel brake, and the reel with the closed reel brake on the other side does not obtain the torque of the motor.
In summary, the utility model adopts the planetary differential speed reducer with sea and land two-side output, namely, one set of motor and speed reducer are used to connect two sets of hoisting mechanisms, thus improving the loading and unloading efficiency of the quayside container crane; meanwhile, a planet differential speed reducer and two differential shaft brakes are adopted, and the two differential output shafts are controlled to rotate through the two differential shaft brakes so as to control the work of each winding drum, so that the synchronous operation of double lifting appliances or the working state of a single lifting appliance can be realized, and the loading and unloading requirements can be met; in addition, because one set of planetary differential speed reducer is adopted to drive two sets of lifting mechanisms, the structure is simple, the weight is light, the cost is low, and the maintenance is simple and convenient, so that the lifting mechanism is very practical.
Claims (6)
1. A four drum differential hoist mechanism for a dual 40 foot shore container crane, comprising: the rope winding device comprises a motor (10), a speed reducer (20) connected to an output shaft of the motor (10), a high-speed brake arranged at an input end of the speed reducer (20), a plurality of double rope-outgoing winding drums (30) connected to an output end of the speed reducer (20), and a plurality of winding drum brakes (40) respectively connected with the double rope-outgoing winding drums (30);
the method is characterized in that:
at least one motor (10) is arranged;
the reducer (20) connected to the output end of the motor (10) adopts a planetary differential reducer; the planetary differential reducer (20) has a plurality of low-speed output shafts, high-speed input shafts and differential output shafts for controlling power distribution;
the output shaft of the motor (10) is connected with the high-speed input shaft of the planetary differential reducer (20), and at least one high-speed brake is arranged on the high-speed input shaft of the planetary differential reducer (20);
each double rope outlet winding drum (30) is connected to a low-speed output shaft of the planetary differential speed reducer (20), and each double rope outlet winding drum (30) is provided with at least one winding drum brake (40);
further comprising: and a differential shaft brake (50) for controlling the power distribution of the planetary differential speed reducer (20), which is connected with the differential output shaft of the planetary differential speed reducer (20).
2. The four-reel differential hoist mechanism of a dual 40-foot shoreside container crane of claim 1, wherein:
the front and the back of the planetary differential speed reducer (20) arranged at the output end of the motor (10) are respectively provided with a land side output (21) and a sea side output (22);
the land side output (21) is provided with two low-speed output shafts (211, 212), the two low-speed output shafts (211, 212) are respectively connected with two double rope outlet drums (31, 32) on the land side, the two double rope outlet drums (31, 32) have four rope outlets, and the two rope outlets are connected with a lifting appliance;
the sea side output (22) is provided with two low-speed output shafts (221, 222), the two low-speed output shafts (221, 222) are respectively connected with two double rope outlet drums (33, 34) on the sea side, the two double rope outlet drums (33, 34) have four rope outlets in total, and the two double rope outlet drums are connected with another lifting appliance together.
3. The four-reel differential hoist mechanism of a dual 40-foot shoreside container crane of claim 1, wherein: the two motors (10) are arranged, namely a first motor (11) and a second motor (12); wherein,
the output shaft of the first motor (11) is connected with a high-speed input shaft (23) of the planetary differential reducer (20), and two high-speed brakes (111, 112) are arranged on the high-speed input shaft (23) of the planetary differential reducer (20);
the output shaft of the second motor (12) is connected with the other high-speed input shaft (24) of the planetary differential reducer (20); two high-speed brakes (121, 122) are provided on a high-speed input shaft (24) of the planetary differential speed reducer (20).
4. The four-reel differential hoist mechanism of a dual 40-foot shoreside container crane of claim 1, wherein: the motor (10) is arranged as a motor (11), and an output shaft of the motor (11) is connected with a high-speed input shaft (23) of the planetary differential reducer (20); two high-speed brakes (111, 112) are provided on a high-speed input shaft (23) of the planetary differential speed reducer (20).
5. A four drum differential hoist mechanism for a dual 40 foot shore container crane, as claimed in claim 2, wherein: two reel brakes (41, 42) are respectively arranged on the two double rope outlet reels (31, 32) on the land side; two reel brakes (43, 44) are respectively arranged on the two double rope outlet reels (33, 34) on the sea side.
6. The four-reel differential hoist mechanism of a dual 40-foot shoreside container crane of claim 1, wherein: the differential shaft brake (50) is provided with a first differential shaft brake (51) and a second differential shaft brake (52) which control the power distribution of the planetary differential speed reducer, and the two differential shaft brakes (51, 52) are respectively connected and arranged on two differential output shafts of the planetary differential speed reducer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040675 CN2808861Y (en) | 2005-04-06 | 2005-04-06 | Four-roller differential lifting mechanism for bis-40' quayside container crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040675 CN2808861Y (en) | 2005-04-06 | 2005-04-06 | Four-roller differential lifting mechanism for bis-40' quayside container crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2808861Y true CN2808861Y (en) | 2006-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040675 Expired - Lifetime CN2808861Y (en) | 2005-04-06 | 2005-04-06 | Four-roller differential lifting mechanism for bis-40' quayside container crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2808861Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375711C (en) * | 2005-04-06 | 2008-03-19 | 上海振华港口机械（集团）股份有限公司 | Four winding drum differential lifting mechanism of bi 40 feet shoreside container crane |
| CN106957009A (en) * | 2017-05-12 | 2017-07-18 | 上海海事大学 | A kind of electrical differential ship unloaders position detecting device |
-
2005
- 2005-04-06 CN CN 200520040675 patent/CN2808861Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375711C (en) * | 2005-04-06 | 2008-03-19 | 上海振华港口机械（集团）股份有限公司 | Four winding drum differential lifting mechanism of bi 40 feet shoreside container crane |
| CN106957009A (en) * | 2017-05-12 | 2017-07-18 | 上海海事大学 | A kind of electrical differential ship unloaders position detecting device |
| CN106957009B (en) * | 2017-05-12 | 2018-07-31 | 上海海事大学 | A kind of electrical differential ship unloaders position detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080319 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |