CN101554975B - Rail hook device for floating dock portal crane - Google Patents
Rail hook device for floating dock portal crane Download PDFInfo
- Publication number
- CN101554975B CN101554975B CN2009100507744A CN200910050774A CN101554975B CN 101554975 B CN101554975 B CN 101554975B CN 2009100507744 A CN2009100507744 A CN 2009100507744A CN 200910050774 A CN200910050774 A CN 200910050774A CN 101554975 B CN101554975 B CN 101554975B
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- rail
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- hook device
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Abstract
The invention relates to a rail hook device for a floating dock portal crane, which is arranged on the bottom of a compensating beam of a walking mechanism along a rail. The device comprises a pullingplate, a yoke plate and at least a pair of hook plates, wherein the pulling plate is in rigid connection with the bottom of the walking mechanism; the yoke plate is hinged on the bottom of the pullin g plate, and is provided with a plurality of travelling wheels rolling along the rail on the bottom of the yoke plate; the pair of the hook plates are symmetrically arranged on two sides of the yoke plate along the rail; the plane direction of the hook plate is vertical to the length direction of the rail; the hook plates are respectively hooked with rail jaws on two sides of the rail; at least one side of each hook plate is provided with two hinge lugs; and the hinge lug is hinged with a horizontal guide wheel which rolls along the side surface of the rail. The lower part of the hook rail device is arranged on the rail through the travelling wheels; an upper pulling point has a vertical floating structure, and can adapt to errors on the rail height direction, namely the vertical direction, such as unevenness, deflexion and the like. The rail hook device can effectively adapt to the errors on the rail horizontal direction by adopting guidance of the horizontal guide wheels. The front pulling point has a left right floating structure.
Description
Technical field
The present invention relates to harbour lifting field, particularly a kind of rail hook device that is used for the floating dock portal crane safety guard-safeguard.
Background technology
Along with the recovery of global ship building industry, the demand that is used for the floating dock portal crane of shipbuilding Ship-repairing Industry also constantly increases.Owing to be subjected to the restriction of floating dock hull size, the gauge that is installed on the span winch on the floating dock is much smaller than cardinal distance, and the gauge value is less, only is 3～5 meters usually, line is a siding track so the danger of hoisting crane is toppled, and promptly hoisting crane is relatively poor perpendicular to the stability against overturning of track alignment.Similar with portal crane, the windproof safety facilities of combating typhoon of floating dock crane off working state have devices such as windproof drag-line and cart grappling, and the safety precautions of its off working state is abundant and failure-free.Particularity based on floating dock portal crane structure and working environment; ballast as floating dock is inhomogeneous, the lateral oscillation of floating dock self, floating dock all can have influence on the working stability that is installed in the span winch on the floating dock with factors such as the bump of harbour or other ship, burst strong wind; the safety of its mode of operation is more worrying; therefore be necessary to install additional especially a kind of rail hook device that plays the safety guard-safeguard effect, the complete machine stability when guaranteeing work.
Rail hook device belongs to a kind of safety guard of attached property on hoisting crane, general producer research-and-development activity in this respect is not still not deeply.The structure of common rail hook device as depicted in figs. 1 and 2 on the present hoisting crane.This rail hook device is simple in structure, easy to make, but exists the shortcoming that can not adapt to orbit error well.
Referring to Fig. 1, the rail hook device of prior art is installed on the track 35, comprising: support 31, bearing pin 32, bolt secondary 33 and hook plate 34.The structure of this device is: two hook plates 34 are fixed on the support 31 after passing two bearing pins 32, and 34 of hook plates adopt bolt secondary 33 to connect.After in a single day the rail hook device of this structure was in place, the height and position of hook plate 34 (being the upright position) can not be adjusted.In designing and producing, if the track 35 on the hook plate 34 passes through the hole and offers greatlyyer, be the up and down excessive clearance of hook plate 34 with 35 on track, when meeting accident, hook plate 34 lifts the time of hooking track 35 and delays, kinetic energy that the hoisting crane that need overcome topples increases, and the size of corresponding required rail hook device is bigger; Simultaneously, delay because hook plate 34 hooks the time of track 35, large vehicle walking wheel tread even wheel rim may de-orbit 35.After the unexpected factor that hoisting crane is toppled was eliminated, when traveling gear resetted rail, wheel rim might drop on track 35 treads, is absolutely unsafe like this.Otherwise, offer lessly if the track 35 on the hook plate 34 passes through the hole, promptly hook plate 34 is too small with the gap up and down of 35 on track, and because of track 35 is uneven, hook plate 34 may be with track 35 contacts when moving with crane.In addition, the level attitude of hook plate 34 can be along bearing pin 32 adjusting that endwisely slips, but this adjusting is to promote to realize that by the grazing with track 35 be cliding friction, friction force is big, poor reliability.Therefore, in the reciprocal walking process of cart, hook plate 34 causes that with track 35 vertical and constantly contact and relative motions of horizontal direction rail hook device with 35 the more cliding frictions of track and the sound, reduces the safety of rail hook device and reliability greatly.
Summary of the invention
In order to solve existing existing the problems referred to above of rail hook device; task of the present invention provides a kind of improved rail hook device that is used for floating dock portal crane; it is installed on the span winch; prevent that hoisting crane from toppling unexpectedly; play the effect of safety guard-safeguard, and the complete machine stability can guarantee work the time.
Technical solution of the present invention is as follows:
A kind of rail hook device that is used for floating dock portal crane is arranged on the bottom of traveling gear equalizing bar along track, and it comprises:
One arm-tie, the traveling gear bottom is rigidly connected;
One yoke plate is articulated in the arm-tie bottom; This yoke plate bottom is provided with the travelling wheel that several roll along track; And
At least one pair of hook plate is arranged on the yoke plate both sides symmetrically along track, and the in-plane of this hook plate is perpendicular to the length direction of track, and hook plate hooks track Hubei Province portion of track both sides respectively; At least one side of described each hook plate is provided with two and articulates ear, articulates ear and articulates a horizontal guide wheel that rolls along the side of track.
The present invention takes following further technical measures:
Described yoke plate is provided with two pairs of hook plates respectively along track length direction, and the phase back side of homonymy hook plate respectively is provided with a horizontal guide wheel.
Described hook plate is connected with yoke plate by bolt is secondary.
Described horizontal guide wheel is connected with the pivot joint ear by an eccentric shaft.
Described yoke plate is connected with a pivoted hole that is positioned at the arm-tie bottom by a drive-connecting shaft and clamp.
Described pivoted hole is a long waist shaped hole.
The two ends along track length direction of described yoke plate are respectively equipped with a bearing, and travelling wheel and bearing articulate.
End along track length direction of described yoke plate is provided with a monolithic bearing, and to draw ear to pass through a pin with split pin hole hinged with being fixed on the traveling gear chassis two for this monolithic bearing.
Described monolithic bearing and be fixed on the traveling gear chassis two and draw and be axially big free-running fit between the ear.
Level interval between described hook plate and the track is greater than the level interval between horizontal guide wheel and the track.
The present invention makes it compared with prior art owing to adopted above technical scheme, has the following advantages and positive effect:
1, the bottom of rail hook device of the present invention is located in orbit by travelling wheel, on draw a little and to be the vertical direction floating structure, can adapt to out-of-flat and deflection equal error on the orbit altitude direction (being vertical direction).
Arm-tie adopts vertical direction long waist shaped pore structure, and the track crossing hole on the hook plate suitably increases the gap surplus according to the leading dimensions of track relevant portion.Rail hook device moves along the track fore-and-aft direction with hoisting crane by preceding drawing push-and-pull a little, and when the track of walking was uneven the place, the moving part of a whole set of rail hook device drew a little around preceding and swings up and down, and travelling wheel drops on the track all the time; Drawing the drive-connecting shaft band at a place yoke plate simultaneously moves up and down along the long waist shaped hole of arm-tie.Because hook plate is fixed with respect to the position of travelling wheel, not with being uneven and changing of track, when the hoisting crane normal operation walk, hook plate did not contact with interorbital top and bottom hook plate all the time with interorbital up and down gap.
2, the present invention adopts the horizontal guide wheel guiding, and the track cross level direction error can effectively be adapted to.
The rail hook device symmetric arrangement has four horizontal guide wheels, and guiding is clear and definite.Horizontal guide wheel is a friction of rolling with the friction of track side surfaces, and the resistance and the sound are all less.Horizontal guide wheel is got the lateral error value of the track that is equal to front and back, rail hook device installation place chassis hinge gap length with interorbital horizontal clearance, and suitably increases safe clearance.Hook plate with interorbital horizontal clearance greater than horizontal guide wheel with interorbital horizontal clearance, can guarantee hoisting crane normal operation when walking like this, hook plate is with the not contact all the time of face about interorbital.
The installation shaft of horizontal guide wheel is an eccentric shaft, and the offset value is zero when installing for the first time.According to the actual trail run situation of rail hook device with crane large vehicle walking mechanism, the offset of adjusting shaft is to obtain horizontal guide wheel with interorbital suitable horizontal clearance.Go into operation operation a period of time when hoisting crane, horizontal guide wheel has certain wearing and tearing, and the offset that can pass through adjusting shaft equally is to obtain horizontal guide wheel with interorbital suitable horizontal clearance.
3, draw before of the present invention and a little be the left and right directions floating structure.
Before draw a place the monolithic bearing with adopting the big free-running fit of diametric(al) between the pin with split pin hole, the moving part that comprises the rail hook device of monolithic bearing can swing up and down to adapt to track around pin with split pin hole and be uneven.The monolithic bearing draws with biplate and does not set a spacer ring between ear, and the monolithic bearing with draw gap, the left and right sides between ear greater than horizontal guide wheel with interorbital horizontal clearance, make the monolithic bearing can horizontally slip, to adapt to the requirement of track cross level error at biplate La Ernei.
Description of drawings
Fig. 1 is the structural representation of the rail hook device of prior art.
Fig. 2 is by lateral plan shown in Figure 1.
Fig. 3 is a kind of structural representation that is used for the rail hook device of floating dock portal crane of the present invention.
Fig. 4 is the partial enlarged drawing among Fig. 3, level direction of travel before and after arrow is represented hoisting crane among the figure.
Fig. 5 is by lateral plan shown in Figure 4, and level is represented the track cross level direction of error to arrow among the figure, vertically represents track vertical error direction to arrow among the figure.
Fig. 6 is the A-A cutaway view among Fig. 4, vertically represents rail hook device sway direction to arrow among the figure.
Fig. 7 is the thin bilge construction scheme drawing of the pivoted hole in Fig. 3 rail hook device, vertically represents that to arrow rail hook device moves up and down direction among the figure.
Drawing reference numeral:
In the prior art: 31 is support, and 32 is bearing pin, and 33 is the bolt pair, and 34 is hook plate, 35 tracks.
Among the present invention: 1 is arm-tie, and 2 is yoke plate, and 3 is travelling wheel, 4 is hook plate, and 5 for articulating ear, and 6 is horizontal guide wheel, 7 is the bolt pair, and 8 is pivoted hole, and 9 for drawing ear, 10 is bearing, and 11 is the monolithic bearing, and 12 is spring cotter, 13 is pin with split pin hole, and 14 is bearing, and 18 is drive-connecting shaft and clamp, wherein 181 on draw a drive-connecting shaft and clamp, 182 is travelling wheel drive-connecting shaft and clamp, 183 is horizontal guide wheel drive-connecting shaft and clamp, 20 is the traveling gear equalizing bar, 21 is track, and 22 is the traveling gear chassis, and 23 draw a little before being, 24 on draw a little, 25 is axially big free-running fit, and 26 is the big free-running fit of diametric(al), and M is an offset.
The specific embodiment
Specifically introduce an a kind of preferred embodiment that is used for the rail hook device of floating dock portal crane of the present invention below in conjunction with accompanying drawing 3～7.
Referring to Fig. 3 to Fig. 5, the present invention is a kind of rail hook device that is used for floating dock portal crane, and it is positioned between two chassis 22 of traveling gear, is mounted on the bottom of traveling gear equalizing bar 20 along track 21.
Rail hook device of the present invention by arm-tie 1, yoke plate 2, travelling wheel 3, hook plate 4, articulate ear 5, horizontal guide wheel 6, bolt pair 7, pivoted hole 8, drive-connecting shaft and clamp 18, draw ear 9, bearing 10, monolithic bearing 11, spring cotter 12, pin with split pin hole 13 and bearing 14 to form.
Wherein, arm-tie 1 is welded on traveling gear equalizing bar bottom.Yoke plate 2 is articulated in arm-tie 1 bottom, and two travelling wheels 3 that roll along track 21 are installed in yoke plate 2 bottoms.Two travelling wheels 3 adopt fixed shaft type to install, and promptly travelling wheel 3 is installed on the drive-connecting shaft by bearing 14, and drive-connecting shaft is separately fixed on the bearing 10 with clamp, as having represented the installation site of parts such as travelling wheel 3, bearing 10, travelling wheel drive-connecting shaft and clamp 182 among Fig. 4.Two pairs of hook plates 4 are arranged on yoke plate 2 both sides respectively symmetrically along track 21 length directions, and the in-plane of this hook plate 4 is perpendicular to the length direction of track 21, and hook plate 4 hooks track Hubei Province portion of upper end, track 21 both sides respectively.
Two of welding articulate ear 5 on the phase back side of homonymy hook plate 4, articulate ear 5 and articulate a horizontal guide wheel 6 that rolls along the side of track 21 by an eccentric shaft.Four horizontal guide wheels 6 adopt fixed shaft type to install, be that wheel is installed on the drive-connecting shaft by bearing 14, drive-connecting shaft is fixed on four with clamp and articulates on the ear 5, can be referring to the installation site of parts such as the horizontal guide wheel shown in Fig. 46, pivot joint ear 5, horizontal guide wheel drive-connecting shaft and clamp 183.
The present invention is owing to adopt horizontal guide wheel 6 guiding, and the track cross level direction error can effectively be adapted to.The rail hook device symmetric arrangement has four horizontal guide wheels 6, and guiding is clear and definite.Horizontal guide wheel 6 is a friction of rolling with the friction of track side surfaces, and the resistance and the sound are all less.Horizontal guide wheel 6 is got the lateral error value of the track that is equal to front and back, rail hook device installation place chassis hinge gap length with interorbital horizontal clearance, and suitably increases safe clearance.Hook plate 4 with interorbital horizontal clearance greater than horizontal guide wheel 6 with interorbital horizontal clearance, can guarantee hoisting crane normal operation when walking like this, face not contact all the time about hook plate 4 is co-orbital.The installation shaft of horizontal guide wheel 6 is eccentric shafts, and the offset value is zero when installing for the first time.According to the actual trail run situation of rail hook device with crane large vehicle walking mechanism, the offset of adjusting shaft is to obtain horizontal guide wheel 6 with interorbital suitable horizontal clearance.Go into operation operation a period of time when hoisting crane, horizontal guide wheel 6 has certain wearing and tearing, and the offset that can pass through adjusting shaft equally is to obtain horizontal guide wheel 6 with interorbital suitable horizontal clearance.
At bearing 10 of two ends difference welded and installed along track length direction of yoke plate 2, travelling wheel 3 is articulated in bearing 10 bottoms.Bearing 14 all is installed on the travelling wheel 3.Two groups of four hook plates 4 minutes are connected with yoke plate 2 by bolt secondary 7 respectively.
Referring to Fig. 6, at an end of the length direction of yoke plate 2 a monolithic bearing 11 is installed, this monolithic bearing 11 draws ear 9 hinged by a pin with split pin hole 13 and two spring cotters 12 with two that are fixed on the traveling gear chassis 22.Monolithic bearing 11 and be fixed on the traveling gear chassis 22 two and draw and be axially big free-running fit 25 between the ear 9 is as drawing a little 23 before the rail hook device.
Because the monolithic bearing 11 that before draws 23 places a little, comprises that the moving part of the rail hook device of monolithic bearing 11 can swing up and down to adapt to track around pin with split pin hole 13 with the big free-running fit 26 of employing diametric(al) between the pin with split pin hole 13 and is uneven.Monolithic bearing 11 draws 9 in ear not set a spacer ring with biplate, and monolithic bearing 11 with the gap, the left and right sides of drawing 9 in ear greater than horizontal guide wheel 6 with interorbital horizontal clearance, make monolithic bearing 11 in biplate draws ear 9, can horizontally slip, to adapt to the requirement of track cross level error.
The bottom of rail hook device is seated on the track 21 by travelling wheel 3, on draw a little 24 to be the vertical direction floating structure, can adapt to out-of-flat and deflection equal error on track 21 short transverses (being vertical direction).
Arm-tie 1 adopts vertical direction long waist shaped pore structure, and the track 21 on the hook plate 4 passes through the hole suitably increases the gap surplus according to the leading dimensions of track 21 relevant portions.23 push-and-pull moves along the track fore-and-aft direction with hoisting crane rail hook device by preceding drawing a little, and when the track of walking was uneven the place, the moving part of a whole set of rail hook device drew a little around preceding and 23 swings up and down, and travelling wheel 3 drops on the track all the time; Drawing the drive-connecting shaft band at 24 places a little yoke plate 2 simultaneously moves up and down along the long waist shaped hole 8 of arm-tie 1.Because hook plate 4 is fixed with respect to the position of travelling wheel 3, not with being uneven and changing of track 21, when the hoisting crane normal operation was walked, hook plate 4 was with the top and bottom not contact all the time of track 21 with the gap up and down of 21 on track for hook plate 4.The vertical float amount at 8 places, long waist shaped hole be long waist shaped hole offset M get the vertical error value that is equal to the track of chassis hinge gap length before and after the rail hook device installation place 1/2nd, and suitably increase safe clearance.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention conversion, the modification of the foregoing description.
Claims (9)
1. rail hook device that is used for floating dock portal crane is arranged on the bottom of traveling gear equalizing bar along track, it is characterized in that it comprises:
One arm-tie, the traveling gear bottom is rigidly connected;
One yoke plate is articulated in the arm-tie bottom; This yoke plate bottom is provided with the travelling wheel that several roll along track; And
At least one pair of hook plate is arranged on the yoke plate both sides symmetrically along track, and the in-plane of this hook plate is perpendicular to the length direction of track, and hook plate hooks track Hubei Province portion of track both sides respectively; At least one side of described each hook plate is provided with two and articulates ear, articulates ear and articulates a horizontal guide wheel that rolls along the side of track.
2. the rail hook device that is used for floating dock portal crane according to claim 1 is characterized in that, described yoke plate is provided with two pairs of hook plates respectively along track length direction, and the phase back side of homonymy hook plate respectively is provided with a horizontal guide wheel.
3. the rail hook device that is used for floating dock portal crane according to claim 1 is characterized in that, described hook plate is connected with yoke plate by bolt is secondary.
4. the rail hook device that is used for floating dock portal crane according to claim 1 is characterized in that, described horizontal guide wheel is connected with the pivot joint ear by an eccentric shaft.
5. the rail hook device that is used for floating dock portal crane according to claim 1 is characterized in that, described yoke plate is connected with a pivoted hole that is positioned at the arm-tie bottom by a drive-connecting shaft and clamp.
6. the rail hook device that is used for floating dock portal crane according to claim 5 is characterized in that, described pivoted hole is a long waist shaped hole.
7. the rail hook device that is used for floating dock portal crane according to claim 1 is characterized in that, the two ends along track length direction of described yoke plate are respectively equipped with a bearing, and travelling wheel and bearing articulate.
8. the rail hook device that is used for floating dock portal crane according to claim 1, it is characterized in that, end along track length direction of described yoke plate is provided with a monolithic bearing, and to draw ear to pass through a pin with split pin hole hinged with being fixed on the traveling gear chassis two for this monolithic bearing.
9. the rail hook device that is used for floating dock portal crane according to claim 1 is characterized in that the level interval between described hook plate and the track is greater than the level interval between horizontal guide wheel and the track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100507744A CN101554975B (en) | 2009-05-07 | 2009-05-07 | Rail hook device for floating dock portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100507744A CN101554975B (en) | 2009-05-07 | 2009-05-07 | Rail hook device for floating dock portal crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101554975A CN101554975A (en) | 2009-10-14 |
| CN101554975B true CN101554975B (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100507744A Expired - Fee Related CN101554975B (en) | 2009-05-07 | 2009-05-07 | Rail hook device for floating dock portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101554975B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627611B (en) * | 2015-10-28 | 2019-08-23 | 中国国际海运集装箱(集团)股份有限公司 | Walking mechanism, track travel equipment and its method of adjustment equipped with the walking mechanism |
| CN106115482A (en) * | 2016-08-14 | 2016-11-16 | 韩睿 | A kind of crane bilayer walking mechanism |
| CN106629391A (en) * | 2016-12-26 | 2017-05-10 | 中船第九设计研究院工程有限公司 | Supporting device for operation mechanism of heavy load double-track crane |
| CN108249297A (en) * | 2016-12-29 | 2018-07-06 | 天津德仕达起重输送设备有限公司 | Double vehicle lazy-tongs |
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2009
- 2009-05-07 CN CN2009100507744A patent/CN101554975B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101554975A (en) | 2009-10-14 |
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Granted publication date: 20110413 Termination date: 20180507 |