CN205151551U - Prevent torsional device - Google Patents
Prevent torsional device Download PDFInfo
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- CN205151551U CN205151551U CN201520976955.0U CN201520976955U CN205151551U CN 205151551 U CN205151551 U CN 205151551U CN 201520976955 U CN201520976955 U CN 201520976955U CN 205151551 U CN205151551 U CN 205151551U
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- ball screw
- rocking bar
- drive motor
- steel rope
- train wheel
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Abstract
The utility model discloses a prevent torsional device installs on container crane's hoist, prevent twising reverse the subassembly and the subassembly is prevented twising reverse by the second including first. Firstly preventing reversing subassembly and second and preventing reversing the subassembly and include driving motor, ball screw and wire rope anchor clamps separately, the wire rope anchor clamps are connected to a wire rope and the 2nd wire rope respectively, and it is flexible that driving motor drives ball screw, and the flexible wire rope anchor clamps that drive of ball screw are swung in vertical plane, and the swing of wire rope anchor clamps makes win wire rope and the 2nd wire rope produce the ball screw 3 of horizontal direction. Firstly prevent that the driving motor and the ball screw that twist reverse the subassembly are arranged at first vertical height, the second prevents that the driving motor and the ball screw that twist reverse the subassembly are arranged at the vertical height of the second that is different from first vertical height. The utility model discloses with the staggered mode of vertical height, arranged two sets of ball screw and motor and adjusted two sets of wire rope's length on same cross -section, reach and prevent torsional purpose.
Description
Technical field
The utility model relates to container handling crane field, more particularly, relates to the stabilizing mechanism of container handling crane.
Background technology
Along with the development of container handling crane technology, the size of container handling crane is increasing, and structure becomes increasingly complex, and the quantity of the freight container that can simultaneously hoist also promotes to some extent.Such as, two shore container cranes that hoist of two freight containers that can simultaneously hoist have been popularized now.The specification of two shore container crane that hoists maximizes more, and castor lengthens, lifting altitude increases, main carriage speed is accelerated.Because the impact of freight container by natural causes such as the rigidity of hoisting crane own and wind there will be swing or twist, freight container locating accuracy is easily caused to decline.The suspender torsion problem that particularly how freight container causes due to the factor such as inertia, wind is the principal element affecting freight container locating accuracy.
The anti-torsion problem of freight container and suspender is the problem in puzzlement container handling crane field always, especially for two shore container crane that hoists, does not more have suitable mechanism can solve the problem of torsion.So just need a kind of device that can solve torsion problem, to promote the locating accuracy of freight container, improve the operating efficiency of harbour.
Utility model content
The utility model is intended to the anti-twist mechanism of the suspender proposing a kind of container handling crane.
According to an embodiment of the present utility model, propose a kind of anti-twist mechanism, be arranged on the suspender of container handling crane, comprise: the first anti-torsion assembly and the second anti-torsion assembly.
First anti-torsion assembly comprises the first drive motor, the first ball screw and the first wire cable clamp, first wire cable clamp is connected respectively to the first steel rope and the second steel rope, first drive motor drives the first ball screw to stretch, first ball screw drive first wire cable clamp that stretches swings in perpendicular, and the first wire cable clamp swings the relative displacement making the first steel rope and the second steel rope produce horizontal direction.
Second anti-torsion assembly comprises the second drive motor, the second ball screw and the second wire cable clamp, second wire cable clamp is connected respectively to the first steel rope and the second steel rope, second drive motor drives the second ball screw to stretch, second ball screw drive second wire cable clamp that stretches swings in perpendicular, and the second wire cable clamp swings the relative displacement making the first steel rope and the second steel rope produce horizontal direction.
Wherein the first drive motor and the first ball screw are disposed in first vertically highly, and the second drive motor and the second ball screw are disposed in the second vertical height being different from the first vertical height.
In one embodiment, the first wire cable clamp comprises the first rocking bar, the first train wheel bridge and the first lower plate.First rocking bar is fixed on suspender by rotating shaft, and the first rocking bar swings around the shaft in perpendicular.First train wheel bridge is arranged on the top of the first rocking bar, and the first train wheel bridge clamps the first steel rope.First lower plate is arranged on the bottom of the first rocking bar, and the first lower plate clamps the second steel rope.First ball screw is connected to the top of the first rocking bar, the position above the first train wheel bridge.
In one embodiment, the second wire cable clamp comprises the second rocking bar, the second train wheel bridge and the second lower plate.Second rocking bar is fixed on suspender by rotating shaft, and the second rocking bar swings around the shaft in perpendicular.Second train wheel bridge is arranged on the top of the second rocking bar, and the second train wheel bridge clamps the first steel rope.Second lower plate is arranged on the bottom of the second rocking bar, and the second lower plate clamps the second steel rope.Second ball screw is connected to the top of the second rocking bar, the position above the second train wheel bridge.
In one embodiment, the rotating shaft of the first rocking bar and the rotating shaft of the second rocking bar are disposed in identical vertical height.First train wheel bridge and the second train wheel bridge are disposed in identical vertical height.Second lower plate and the second lower plate are disposed in identical vertical height.
In one embodiment, the first drive motor is arranged on the first motor base, and the first ball screw is arranged on the first screw mandrel pedestal, and the output shaft of the first drive motor and the first ball screw are disposed in first vertically highly.
In one embodiment, the second drive motor is arranged on the second motor base, and the second ball screw is arranged on the second screw mandrel pedestal, and the output shaft of the second drive motor and the second ball screw are disposed in second vertically highly.
In one embodiment, the first drive motor and the second drive motor are set to linkage work.
In one embodiment, the first drive motor and the second drive motor are set to work alone.
Anti-twist mechanism of the present utility model is moved by motor driven ball screw mandrel, adjusts the length of two cover steel ropes, reaches the object preventing from reversing.This anti-twist mechanism, in the mode vertically highly staggered, same cross section arranges two cover ball screw and motors, make use of space well, do not need the length additionally increasing Crane Beam.Two cover ball screws and motor can independent operatings, also can run simultaneously.
Accompanying drawing explanation
The above and other feature of the utility model, character and advantage are by more obvious by what become below in conjunction with the description of drawings and Examples, and Reference numeral identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses the structural representation of the anti-twist mechanism according to an embodiment of the present utility model.
Fig. 2 be in Fig. 1 B-B to cross section structure schematic diagram, disclose the structure of the first ball screw.
Fig. 3 be in Fig. 1 E-E to cross section structure schematic diagram, disclose the structure of the first drive motor.
Fig. 4 be in Fig. 1 A-A to cross section structure schematic diagram, disclose the structure of the second ball screw.
Fig. 5 be in Fig. 1 F-F to cross section structure schematic diagram, disclose the structure of the second drive motor.
Fig. 6 discloses state when the first ball screw and the second ball screw are in maximum retraction stroke.
Fig. 7 discloses the first ball screw and the second ball screw and is in maximum state when stretching out stroke.
Detailed description of the invention
Shown in figure 1, Fig. 1 discloses the structural representation of the anti-twist mechanism according to an embodiment of the present utility model.This anti-twist mechanism is arranged on the suspender of container handling crane, and this anti-twist mechanism comprises: the first anti-torsion assembly and the second anti-torsion assembly.
First anti-torsion assembly comprises the first drive motor 122, first ball screw 124 and the first wire cable clamp.First wire cable clamp is connected respectively to the first steel rope 201 and the second steel rope 202.In the embodiment shown in fig. 1, the first wire cable clamp comprises the first rocking bar 123, first train wheel bridge 125 and the first lower plate 127.First rocking bar 123 is fixed on suspender by rotating shaft 129, and the first rocking bar 123 129 swings around the shaft in perpendicular.First train wheel bridge 125 is arranged on the top of the first rocking bar 123, and the first train wheel bridge 125 clamps the first steel rope 201.First lower plate 127 is arranged on the bottom of the first rocking bar 123, and the first lower plate 127 clamps the second steel rope 202.First drive motor 122 drives the first ball screw 124 to stretch.First ball screw 124 is connected to the top of the first rocking bar 123, and the connection location of the first ball screw 124 and the first rocking bar 123 is positioned at the position above the first train wheel bridge 125.First ball screw 124 is flexible under the drive of the first drive motor 122, and then drive the first rocking bar 123 in the first wire cable clamp to swing in perpendicular, because the first rocking bar 123 is connected to the first steel rope 201 and the second steel rope 202 by the first train wheel bridge 125 and the first lower plate 127, the swing of the first rocking bar 123 therefore in the first wire cable clamp makes the first steel rope 201 and the second steel rope 202 produce the relative displacement of horizontal direction.
Second anti-torsion assembly comprises the second drive motor 142, second ball screw 144 and the second wire cable clamp.Second wire cable clamp is connected respectively to the first steel rope 201 and the second steel rope 202.In the embodiment shown in fig. 1, the second wire cable clamp comprises the second rocking bar 143, second train wheel bridge 145 and the second lower plate 147.Second rocking bar 143 is fixed on suspender by rotating shaft 149, and the second rocking bar 143 149 swings around the shaft in perpendicular.Second train wheel bridge 145 is arranged on the top of the second rocking bar 143, and the second train wheel bridge 145 clamps the first steel rope 201.Second lower plate 147 is arranged on the bottom of the second rocking bar 143, and the second lower plate 147 clamps the second steel rope 202.Second drive motor 142 drives the second ball screw 144 to stretch.Second ball screw 144 is connected to the top of the second rocking bar 143, and the connection location of the second ball screw 144 and the second rocking bar 143 is positioned at the position above the second train wheel bridge 145.Second ball screw 144 is flexible under the drive of the second drive motor 142, and then drive the second rocking bar 143 in the second wire cable clamp to swing in perpendicular, because the second rocking bar 143 is connected to the first steel rope 201 and the second steel rope 202 by the second train wheel bridge 145 and the second lower plate 147, the swing of the second rocking bar 143 therefore in the second wire cable clamp makes the first steel rope 201 and the second steel rope 202 produce the relative displacement of horizontal direction.
First drive motor 122 and the first ball screw 124 are disposed in first vertically highly, and the second drive motor 142 and the second ball screw 144 are disposed in the second vertical height being different from the first vertical height.Fig. 2 ~ Fig. 5 is the section drawing of each diverse location in Fig. 1, and Fig. 2 ~ Fig. 5 clearly discloses the first drive motor, the first ball screw, the second drive motor and the second ball screw being staggeredly arranged on vertical height.
Shown in figure 2, Fig. 2 be in Fig. 1 B-B to cross section structure schematic diagram, disclose the structure of the first ball screw.First ball screw 124 is arranged on the first screw mandrel pedestal 134, and the first ball screw 124 is A apart from the vertical height of base bottom.Shown in figure 3, Fig. 3 be in Fig. 1 E-E to cross section structure schematic diagram, disclose the structure of the first drive motor.First drive motor 122 is arranged on the first motor base 132, the output shaft 131 of the first drive motor 122 is highly also A apart from the vertical of base bottom, therefore output shaft 131 and the first ball screw 124 are disposed on the first identical vertical height, i.e. A height.
Shown in figure 4, Fig. 4 be in Fig. 1 A-A to cross section structure schematic diagram, disclose the structure of the second ball screw.Second ball screw 144 is arranged on the second screw mandrel pedestal 154, and the second ball screw 144 is B apart from the vertical height of base bottom.Shown in figure 5, Fig. 5 be in Fig. 1 F-F to cross section structure schematic diagram, disclose the structure of the second drive motor.Second drive motor 142 is arranged on the second motor base 152, the output shaft 151 of the second drive motor 142 is highly also B apart from the vertical of base bottom, therefore output shaft 151 and the second ball screw 144 are disposed on the second identical vertical height, i.e. B height.
B height is highly different from A, and in the illustrated embodiment in which, B is highly greater than A height, and certainly in other examples, B highly also can be less than A height.Because B height is highly different from A, therefore the first drive motor, the first ball screw, the second drive motor and the second ball screw are staggeredly arranged on vertical height, so, first drive motor, the first ball screw, the second drive motor and the second ball screw can be disposed in same vertical section, are conducive to carrying out common operation to steel rope.
Get back to Fig. 1, the first steel rope 201 and a second steel rope 202 winding number pulley 300 are arranged.Because the first steel rope 201 and the second steel rope 202 need to maintain horizontality, therefore the first train wheel bridge 125 and the second train wheel bridge 145 that all clamp the first steel rope 201 need to be disposed in identical vertical height, same, the first lower plate 127 and the second lower plate 147 that all clamp the second steel rope 202 also need to be disposed in identical vertical height.So as shown in Figure 1, the rotating shaft 129 of the first rocking bar 123 and the rotating shaft 149 of the second rocking bar 143 are disposed in identical vertical height.First train wheel bridge 125 and the second train wheel bridge 145 are disposed in identical vertical height.Second lower plate 127 and the second lower plate 147 are disposed in identical vertical height.
Fig. 6 and Fig. 7 discloses the mode of operation of this anti-twist mechanism, and wherein Fig. 6 discloses state when the first ball screw and the second ball screw are in maximum retraction stroke.Fig. 7 discloses the first ball screw and the second ball screw and is in maximum state when stretching out stroke.By the swing of the second rocking bar in the swing of the first rocking bar in the first wire cable clamp and/or the second wire cable clamp, the first steel rope and the second steel rope is made to produce the relative displacement of horizontal direction, to reach the effect of anti-torsion.
According to different urban d evelopment, the first drive motor and the second drive motor can be set to linkage work, i.e. two motor in synchrony work.Or the first drive motor and the second drive motor also can be set to work alone separately, control them by independently control command and to match work.
The propulsive effort of the anti-twist mechanism that the utility model discloses is from drive motor, drive motor drives ball-screw interior flexible in the horizontal direction, pinned connection is passed through in the end of ball-screw and rocking bar, the centre of rocking bar is provided with rotating shaft, under the driving of ball-screw, rocking bar will carry out swinging in horizontal direction around rotating shaft, and rocking bar pendulum angle is by ball-screw Stroke Control.Train wheel bridge and lower plate are respectively by the two ends of pinned connection to rocking bar, and two cover steel ropes respectively clamping plate clamped.Rocking bar swing can drive train wheel bridge and lower plate translation, and steel rope is clamped on clamping plate, so rocking bar swings can drive steel rope translation.Swung by rocking bar and drive steel rope translation, thus reach the object that the length of steel rope is overlapped in adjustment two, by regulating the length of two cover steel ropes, final realization carries out anti-torsion to the freight container hung under steel rope.
Two cover ball-screws and drive motor stagger in the height direction, and Yi Taogao, a set of low, utilize vertical space to arrange, make two cover drive arrangement in same cross section, mechanism is compact, does not need to lengthen front crossbeam head platform.Two cover ball-screws can adjust two cover lifting and winding steel ropes simultaneously, also can adjust often overlapping lifting and winding steel rope separately, flexible Application.
The lubricating oil enclose inside circulation of ball-screw, decreases daily oily maintenance, greatly reduces daily maintenance work.With rocking bar, two steel ropes are connected, compact conformation, will the unbalance loading of freight container left and right directions be offset, balance the power that two groups of steel ropes cause by container unbalance-loading poor.
Train wheel bridge and lower plate have less rope clamping plate bolt quantity, reduce demounting bolt work capacity, make more change steel rope time convenient.
Comprehensive, anti-twist mechanism of the present utility model is moved by motor driven ball screw mandrel, adjusts the length of two cover steel ropes, reaches the object preventing from reversing.This anti-twist mechanism, in the mode vertically highly staggered, same cross section arranges two cover ball screw and motors, make use of space well, do not need the length additionally increasing Crane Beam.Two cover ball screws and motor can independent operatings, also can run simultaneously.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present utility model; those skilled in the art can when not departing from utility model thought of the present utility model; various modifications or change are made to above-described embodiment; thus protection domain of the present utility model not limit by above-described embodiment, and should be the maximum range meeting the inventive features that claims are mentioned.
Claims (8)
1. an anti-twist mechanism, is arranged on the suspender of container handling crane, it is characterized in that, comprising:
First anti-torsion assembly, comprise the first drive motor, the first ball screw and the first wire cable clamp, described first wire cable clamp is connected respectively to the first steel rope and the second steel rope, described first drive motor drives the first ball screw to stretch, first ball screw drive first wire cable clamp that stretches swings in perpendicular, and the first wire cable clamp swings the relative displacement making the first steel rope and the second steel rope produce horizontal direction;
Second anti-torsion assembly, comprise the second drive motor, the second ball screw and the second wire cable clamp, described second wire cable clamp is connected respectively to the first steel rope and the second steel rope, described second drive motor drives the second ball screw to stretch, second ball screw drive second wire cable clamp that stretches swings in perpendicular, and the second wire cable clamp swings the relative displacement making the first steel rope and the second steel rope produce horizontal direction;
Wherein the first drive motor and the first ball screw are disposed in first vertically highly, and the second drive motor and the second ball screw are disposed in the second vertical height being different from the first vertical height.
2. anti-twist mechanism as claimed in claim 1, is characterized in that, described first wire cable clamp comprises the first rocking bar, the first train wheel bridge and the first lower plate;
First rocking bar is fixed on suspender by rotating shaft, and the first rocking bar swings around the shaft in perpendicular;
First train wheel bridge is arranged on the top of the first rocking bar, and the first train wheel bridge clamps the first steel rope;
First lower plate is arranged on the bottom of the first rocking bar, and the first lower plate clamps the second steel rope;
Described first ball screw is connected to the top of the first rocking bar, the position above the first train wheel bridge.
3. anti-twist mechanism as claimed in claim 2, is characterized in that, described second wire cable clamp comprises the second rocking bar, the second train wheel bridge and the second lower plate;
Second rocking bar is fixed on suspender by rotating shaft, and the second rocking bar swings around the shaft in perpendicular;
Second train wheel bridge is arranged on the top of the second rocking bar, and the second train wheel bridge clamps the first steel rope;
Second lower plate is arranged on the bottom of the second rocking bar, and the second lower plate clamps the second steel rope;
Described second ball screw is connected to the top of the second rocking bar, the position above the second train wheel bridge.
4. anti-twist mechanism as claimed in claim 3, is characterized in that,
The rotating shaft of described first rocking bar and the rotating shaft of the second rocking bar are disposed in identical vertical height;
Described first train wheel bridge and the second train wheel bridge are disposed in identical vertical height;
Described second lower plate and the second lower plate are disposed in identical vertical height.
5. anti-twist mechanism as claimed in claim 1, is characterized in that,
Described first drive motor is arranged on the first motor base, and described first ball screw is arranged on the first screw mandrel pedestal, and the output shaft of the first drive motor and the first ball screw are disposed in first vertically highly.
6. anti-twist mechanism as claimed in claim 1, is characterized in that,
Described second drive motor is arranged on the second motor base, and described second ball screw is arranged on the second screw mandrel pedestal, and the output shaft of the second drive motor and the second ball screw are disposed in second vertically highly.
7. anti-twist mechanism as claimed in claim 1, is characterized in that,
Described first drive motor and the second drive motor are set to linkage work.
8. anti-twist mechanism as claimed in claim 1, is characterized in that,
Described first drive motor and the second drive motor are set to work alone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976955.0U CN205151551U (en) | 2015-11-30 | 2015-11-30 | Prevent torsional device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976955.0U CN205151551U (en) | 2015-11-30 | 2015-11-30 | Prevent torsional device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205151551U true CN205151551U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520976955.0U Active CN205151551U (en) | 2015-11-30 | 2015-11-30 | Prevent torsional device |
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| Country | Link |
|---|---|
| CN (1) | CN205151551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016989A (en) * | 2016-11-04 | 2018-05-11 | 中冶宝钢技术服务有限公司 | A kind of container crane car rope is anti-to turn round protective device and guard method |
-
2015
- 2015-11-30 CN CN201520976955.0U patent/CN205151551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016989A (en) * | 2016-11-04 | 2018-05-11 | 中冶宝钢技术服务有限公司 | A kind of container crane car rope is anti-to turn round protective device and guard method |
| CN108016989B (en) * | 2016-11-04 | 2019-08-13 | 中冶宝钢技术服务有限公司 | A kind of anti-torsion protective device of container crane car rope and guard method |
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