CN107298379A - A kind of steel cable swing limiting mechanism of bridge crane special hanger - Google Patents
A kind of steel cable swing limiting mechanism of bridge crane special hanger Download PDFInfo
- Publication number
- CN107298379A CN107298379A CN201710737941.7A CN201710737941A CN107298379A CN 107298379 A CN107298379 A CN 107298379A CN 201710737941 A CN201710737941 A CN 201710737941A CN 107298379 A CN107298379 A CN 107298379A
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- CN
- China
- Prior art keywords
- pendulum
- craneway
- gag lever
- lever post
- steel cable
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 239000007788 liquids Substances 0.000 claims description 3
- 239000007787 solids Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 280000049730 Sets, Ltd. companies 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002965 ropes Substances 0.000 description 3
- 238000010586 diagrams Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000005755 formation reactions Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000116 mitigating Effects 0.000 description 1
- 239000000203 mixtures Substances 0.000 description 1
- 239000000837 restrainers Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
Abstract
Description
Technical field
The present invention relates to crane technical field, the steel cable of specially a kind of bridge crane special hanger swings position restrainer Structure.
Background technology
Domestic bridge crane, is mainly used as lifting medium, the steel wire rope of lifting mechanism winding by steel wire rope at present So that suspender raising or decline, but be due to that steel wire rope is soft part by winding the movable pulley on suspender, start when dolly and During braking, because weight has inertia, weight can be swung in trolley travelling direction, and amplitude of fluctuation is with crab traversing speed and system Dynamic deceleration and change, weight long period that always oscillates can just stop after crane is shut down, and the time of swing is longer Bigger is influenceed on the efficiency of loading and unloading, in view of this problem is, it is necessary to which the steel cable for designing a kind of bridge crane special hanger swings spacing Mechanism so that when OTC's trolley starts braking, can realize to the suspender for hanging weight and effectively subtract pendulum, be greatly reduced The duration of oscillation of suspender, to improve the operating efficiency of bridge crane.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of steel cable of bridge crane special hanger and swung Position-limit mechanism, realizes that the effective of suspender subtracts pendulum by linkage, simple in construction, it is easy to operate, convenient and practical, effective lifting The operating efficiency of bridge crane.
The technical solution adopted for the present invention to solve the technical problems is：A kind of steel cable pendulum of bridge crane special hanger Dynamic position-limit mechanism, including craneway, the upper end of the craneway is symmetrically arranged with two hoisting drums, the lower end of the craneway Two hydraulic cylinders are symmetrically arranged with, the lower end of the craneway is symmetrically arranged with two and subtracts pendulum gag lever post, subtract pendulum limit described in two Position bar is located at the outside of two hydraulic cylinders, and the pendulum gag lever post that subtracts is connected on hydraulic cylinder piston rod, and described subtract puts gag lever post Top sets limited location pulley, is provided with suspender below the craneway, the suspender in echelon, and upper end open, inside It is hollow, two lifting pulley are symmetrically arranged with the suspender, by spacing between two angle pulleies and hoisting drum Pulley is wound with raising steel cable.
As a kind of preferred technical scheme of the present invention, the hoisting drum is driven by lifting motor outside device, institute Stating hydraulic pump of the hydraulic cylinder outside device provides hydraulic cylinder piston rod flexible power.
As a kind of preferred technical scheme of the present invention, the lower end of the craneway is provided with some earrings, the hydraulic pressure Cylinder bottom connector is provided with cylinder cylinder body bottom, the cylinder bottom connector is connected on earrings by bearing pin, and liquid Cylinder pressure locus is fixed, it is impossible to rotated.
As a kind of preferred technical scheme of the present invention, the angular dimension that the hydraulic cylinder is formed with craneway lower end is 20°-25°。
As a kind of preferred technical scheme of the present invention, described one end for subtracting pendulum gag lever post is provided with bar bottom connector, institute Bar bottom connector is stated to be connected on earrings by bearing pin, and the pendulum gag lever post that subtracts can relatively small vehicle bottom generation Rotate.
As a kind of preferred technical scheme of the present invention, the pendulum gag lever post that subtracts forms angular dimension with craneway lower end Alterable scope is 40 ° -70 °.
As a kind of preferred technical scheme of the present invention, the hydraulic cylinder piston rod top is provided with connector, described to subtract Pendulum gag lever post on be provided with through hole, the connector is fastened on through hole by bearing pin, and it is described subtract pendulum gag lever post can edge Hydraulic cylinder piston rod top rotates.
As a kind of preferred technical scheme of the present invention, the lifting pulley is connected in suspender by bearing pin Portion.
Compared with prior art, the beneficial effects of the invention are as follows：
By hydraulic cylinder with subtracting the linkage that pendulum gag lever post is constituted, when suspender is swung, Driven by Hydraulic Cylinder subtracts pendulum Gag lever post is outwards strutted, the angular dimension between increase raising steel cable two ends, so that the two ends application to raising steel cable gradually increases Big horizontal component, in the presence of horizontal component, because of swing, unbalanced suspender will terminate swing rapidly, and the present invention can It is simple in construction to realize that the effective of suspender subtracts pendulum by linkage in a short time, it is easy to production, while being lived by hydraulic cylinder The flexible offer suspender of stopper rod subtracts the power of pendulum, it is easy to operate, convenient and practical, effectively improves the work effect of bridge crane Rate.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is craneway structural representation of the invention；
Fig. 3 is hydraulic cylinder structure schematic diagram of the invention；
Fig. 4 subtracts pendulum gag lever post structural representation for the present invention's；
Fig. 5 is hanger structure top view of the invention.
In figure：1- craneways；2- hoisting drums；3- hydraulic cylinders；4- subtracts pendulum gag lever post；5- hydraulic cylinder piston rods；6- is spacing Pulley；7- suspenders；8- lifting pulley；9- raising steel cables；10- earrings；11- hydraulic cylinder bodies；12- cylinder bottom connectors；13- bars bottom Connector；14- connectors；15- through holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention. Direction and position term that the present invention is previously mentioned, such as " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", " Outside ", " side " etc., is only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As shown in Figures 1 to 5, the invention provides a kind of steel cable swing limiting mechanism of bridge crane special hanger 7, Including craneway 1, the upper end of the craneway 1 is symmetrically arranged with two hoisting drums 2, and the hoisting drum 2 is by outside device Raising steel cable 9 is wound with the driving of lifting motor, hoisting drum 2, hoisting drum 2 occurs to turn under the driving of lifting motor It is dynamic so that the length of raising steel cable 9 between hoisting drum 2 and suspender 7 changes, realize slinging and putting down to article；
As shown in Figures 1 to 4, the lower end of the craneway 1 is symmetrically arranged with two hydraulic cylinders 3, and the hydraulic cylinder 3 is by filling The hydraulic pump for putting outside provides hydraulic cylinder piston rod 5 flexible power, and the lower end of the craneway 1 is provided with some earrings 10, It is provided with cylinder bottom connector 12 on the bottom of hydraulic cylinder body 11, the cylinder bottom connector 12 is connected installation by bearing pin On earrings 10, and the locus of hydraulic cylinder 3 is fixed, it is impossible to rotated, and the hydraulic cylinder 3 is formed with the lower end of craneway 1 Angular dimension is 20 ° -25 °, and hydraulic cylinder 3 is fixedly connected with the bottom that mode is fixed on craneway 1 by the static state of bearing pin, with very Big structural strength, makes Stability Analysis of Structures so that the position of hydraulic cylinder 3 is fixed relative to craneway 1, will not change, it is possible to logical The telescopic drive for crossing piston rod subtracts the rotation of pendulum gag lever post 4.
As shown in Figures 1 to 4, the lower end of the craneway 1 be symmetrically arranged with two subtract pendulum gag lever post 4, subtract described in two The outside that gag lever post 4 is located at two hydraulic cylinders 3 is put, described one end for subtracting pendulum gag lever post 4 is provided with bar bottom connector 13, the bar Bottom connector 13 is connected on earrings 10 by bearing pin, and the pendulum gag lever post 4 that subtracts can relatively small vehicle bottom hair Raw to rotate, the alterable scope for subtracting pendulum gag lever post 4 and the lower end of craneway 1 formation angular dimension is 40 ° -70 °, described to subtract pendulum Gag lever post 4 is connected on hydraulic cylinder piston rod 5, and the top of hydraulic cylinder piston rod 5 is provided with connector 14, and described subtract puts spacing Through hole 15 is provided with bar 4, the connector 14 is fastened on through hole 15 by bearing pin, and it is described subtract pendulum gag lever post 4 can Rotated along the top of hydraulic cylinder piston rod 5, subtract pendulum gag lever post 4 and craneway 1 is fixed on by the hinge connection mode of bearing pin Bottom, can rotate under the driving that hydraulic cylinder piston rod 5 stretches in the bottom of craneway 1, while by hydraulic cylinder piston rod 5 The limitation of collapsing length scope and hydraulic cylinder 3 fixed angle on craneway 1, subtracts the rotational angle of pendulum gag lever post 4 certain Within the scope of；The top for subtracting pendulum gag lever post 4 sets limited location pulley 6, and raising steel cable 9 bypasses spacing pulley 6, works as suspender 7 when swinging, and the driving of hydraulic cylinder 3 subtracts pendulum gag lever post 4 and outwards strutted, and increases the angular dimension between the two ends of raising steel cable 9, from And the horizontal component gradually increased is applied to the two ends of raising steel cable 9, and in the presence of horizontal component, the disequilibrium because of swing Suspender 7 will terminate swing rapidly, by hydraulic cylinder 3 and subtract the linkage that pendulum gag lever post 4 is constituted, can be real in a short time The effective of existing suspender 7 subtracts pendulum, simple in construction, is easy to production, while being to subtract pendulum by the flexible offer suspender 7 of hydraulic cylinder piston rod 5 Power, it is easy to operate, it is convenient and practical, effectively improve the operating efficiency of bridge crane.
As shown in Figures 1 to 5, the lower section of the craneway 1 is provided with suspender 7, and the suspender 7 in echelon, and open by upper end Mouth, inner hollow, make the weight saving of suspender 7 also maintain the structural strength of suspender 7, reduce the production cost of suspender 7, and mitigation is hung The gravity that crane is born when playing article, while the space installed there is provided lifting pulley 8, makes apparatus structure compacter, is saved About device working space；Two lifting pulley 8 are symmetrically arranged with the suspender 7, the lifting pulley 8 connects solid by bearing pin Dingan County is wound with raising steel cable 9 between two angle pulleies and hoisting drum 2 inside suspender 7 by spacing pulley 6, Can be achieved crane to article sling and put down and suspender 7 effectively subtract pendulum.
In summary, the main characteristic of the invention lies in that：
By hydraulic cylinder 3 with subtracting the linkage that pendulum gag lever post 4 is constituted, when suspender 7 is swung, hydraulic cylinder 3 drives Subtract pendulum gag lever post 4 outwards to strut, the angular dimension between the two ends of increase raising steel cable 9, so as to apply the two ends of raising steel cable 9 The horizontal component gradually increased, in the presence of horizontal component, because of swing, unbalanced suspender 7 will terminate swing rapidly, The present invention can realize effectively subtracting for suspender 7 by hydraulic cylinder 3 with the linkage for subtracting the pendulum composition of gag lever post 4 in a short time Pendulum, it is simple in construction, it is easy to production, while being the power for subtracting pendulum by the flexible offer suspender 7 of hydraulic cylinder piston rod 5, it is easy to operate, It is convenient and practical, effectively improve the operating efficiency of bridge crane.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737941.7A CN107298379A (en) | 2017-08-24 | 2017-08-24 | A kind of steel cable swing limiting mechanism of bridge crane special hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737941.7A CN107298379A (en) | 2017-08-24 | 2017-08-24 | A kind of steel cable swing limiting mechanism of bridge crane special hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107298379A true CN107298379A (en) | 2017-10-27 |
Family
ID=60132282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710737941.7A CN107298379A (en) | 2017-08-24 | 2017-08-24 | A kind of steel cable swing limiting mechanism of bridge crane special hanger |
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| CN (1) | CN107298379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054077A (en) * | 2019-04-30 | 2019-07-26 | 中国水利水电第四工程局有限公司 | The hoisting method of fan blade |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593795A (en) * | 1979-01-11 | 1980-07-16 | Ishikawajima Harima Heavy Ind | Device for preventing oscillation of suspension beam of crane |
| SU1648879A1 (en) * | 1988-05-11 | 1991-05-15 | Днепродзержинский Индустриальный Институт Им.М.И.Арсеничева | Load suspension |
| RU1801923C (en) * | 1989-10-16 | 1993-03-15 | Ленинградский Политехнический Институт Им.М.И.Калинина | Load oscillation damping method and device |
| CN201442800U (en) * | 2009-07-04 | 2010-04-28 | 山东起重机厂有限公司 | Anti-swing device of crane sling |
| CN201614236U (en) * | 2010-03-23 | 2010-10-27 | 成都畅越机械工程有限公司 | Wobble wheel type eight-rope crossing anti-sway device |
| CN203295057U (en) * | 2013-04-28 | 2013-11-20 | 郑州铁路装备制造有限公司 | Novel anti-rolling device for container spreaders |
| CN204490352U (en) * | 2015-01-22 | 2015-07-22 | 河南省宏远搬运机械有限公司 | Anti roll device on hoisting crane |
| CN205312909U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two roof beam double small car bridge crane |
| CN205312907U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Metallurgical two roof beam hoist formula hoist |
| CN205312908U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two -beam bridge crane |
-
2017
- 2017-08-24 CN CN201710737941.7A patent/CN107298379A/en not_active Application Discontinuation
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593795A (en) * | 1979-01-11 | 1980-07-16 | Ishikawajima Harima Heavy Ind | Device for preventing oscillation of suspension beam of crane |
| SU1648879A1 (en) * | 1988-05-11 | 1991-05-15 | Днепродзержинский Индустриальный Институт Им.М.И.Арсеничева | Load suspension |
| RU1801923C (en) * | 1989-10-16 | 1993-03-15 | Ленинградский Политехнический Институт Им.М.И.Калинина | Load oscillation damping method and device |
| CN201442800U (en) * | 2009-07-04 | 2010-04-28 | 山东起重机厂有限公司 | Anti-swing device of crane sling |
| CN201614236U (en) * | 2010-03-23 | 2010-10-27 | 成都畅越机械工程有限公司 | Wobble wheel type eight-rope crossing anti-sway device |
| CN203295057U (en) * | 2013-04-28 | 2013-11-20 | 郑州铁路装备制造有限公司 | Novel anti-rolling device for container spreaders |
| CN204490352U (en) * | 2015-01-22 | 2015-07-22 | 河南省宏远搬运机械有限公司 | Anti roll device on hoisting crane |
| CN205312909U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two roof beam double small car bridge crane |
| CN205312907U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Metallurgical two roof beam hoist formula hoist |
| CN205312908U (en) * | 2016-01-12 | 2016-06-15 | 云南力神重工机械有限公司 | Two -beam bridge crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054077A (en) * | 2019-04-30 | 2019-07-26 | 中国水利水电第四工程局有限公司 | The hoisting method of fan blade |
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Application publication date: 20171027 |