CN202988620U - Crane and lifting hook top punching detection device thereof - Google Patents

Abstract

The utility model provides a lifting hook of hoist dashes top detection device, the hoist includes trolley frame or jib loading boom cantilever crane, the lifting hook subassembly to and controlling means, the lifting hook subassembly is hung and is established trolley frame or jib loading boom cantilever crane below, the lifting hook dashes top detection device include position sensor and can with the trigger that position sensor triggered, one of them sets up of position sensor and trigger trolley frame or jib loading boom cantilever crane bottom, and another setting is in lifting hook subassembly top, position sensor with controlling means signal connection. The utility model discloses still provide a hoist with lifting hook dashes top detection device. Adopt the utility model discloses a hoist and lifting hook top-punching detection device thereof can accurate control lifting hook subassembly and dolly frame or the safe distance between the jib loading boom cantilever crane, makes the operation of hoist safe more, reliable.

Description

Hoisting crane and suspension hook thereof the detecting device of rushing to summit

Technical field

The utility model is about the hoisting crane field, and particularly about a kind of hoisting crane and suspension hook thereof the detecting device of rushing to summit.

Background technology

Hoisting crane is that modern industry is produced indispensable equipment, is widely used in the operations such as lifting, transportation, loading and unloading of various materials.Hoisting crane be with intermittently, the mode of operation that repeats, by load hook etc. hoist, the structural establishment of decline or lifting and migration material.

By version, hoisting crane mainly is divided into bridge and boom type.These two kinds of hoisting cranes all can crane carriage as hoist mechanism, and crane carriage generally includes lifting mechanism, wheeling mechanism and trolley frame, suspension hook is arranged on the trolley frame below usually, is used for suspension heavy weight.Therefore when hoisting crane was worked, suspension hook needed the relative trolley frame of suspension heavy weight to move up and down, certain mechanism can be set usually prevent that suspension hook from rushing to summit.

Take tower crane (being called for short the tower machine) as example, when the lifting mechanism of tower machine moved, the suspension hook of suspension heavy weight moved up and down.For preventing that suspension hook from rushing to summit, setting height(from bottom) limiting device on lifting mechanism usually is used for limiting the rise height of suspension hook.Specifically, the vertical distance that the rotating cycle by detecting the lifting mechanism rope drum and angle detect suspension hook and dolly, during less than the first set angle of presetting, control system is reported to the police and is slowed down when vertical distance; When distance during less than default the second set angle, the control system emergency braking prevents that suspension hook from rushing to summit.

But, adopt this preventing colliding with top mechanism to have certain limitation.On the one hand, the distance that rotating cycle and the angle by rope drum detects suspension hook and dolly can be because the sagging control accuracy that has influence on of steel rope.On the other hand, when the brachium of hoisting crane tower body generation height adjustment or crane arm changes, need to reset height limitator, if height limitator is not in time adjusted or the height limitator et out of order, suspension hook very easily occurs rushes to summit, cause structural failure, even may cause the serious accidents such as steel rope breaking, weight fall.

The utility model content

The purpose of this utility model is to provide a kind of more safe and reliable crane hook detecting device of rushing to summit.

Another purpose of the present utility model is to provide a kind of rush to summit hoisting crane of detecting device of more safe and reliable suspension hook that has.

the utility model provides a kind of suspension hook of hoisting crane detecting device of rushing to summit, described hoisting crane comprises trolley frame or crane arm jib, hook assembly, and control setup, described hook assembly hangs and is located at below described trolley frame or crane arm jib, the described suspension hook detecting device of rushing to summit comprises position transduser and the binary pair that described position transduser can be triggered, one of them is arranged on described position transduser and binary pair bottom described trolley frame or crane arm jib, and another is arranged on described hook assembly top, described position transduser is connected with described control setup signal.

In an embodiment of the present utility model, the aforesaid suspension hook detecting device of rushing to summit also comprises signal transmission module, and described position transduser is connected with described control setup signal by described signal transmission module.

In an embodiment of the present utility model, aforesaid signal transmission module and described position transduser together are arranged on described trolley frame or crane arm jib bottom, perhaps described hook assembly top.

In an embodiment of the present utility model, aforesaid signal transmission module comprises base plate, solar panel, storage battery, and wireless signal transmitter.

In an embodiment of the present utility model, aforesaid wireless signal transmitter is connected with described position sensor signal, and described wireless signal transmitter is connected with described control setup signal.

In an embodiment of the present utility model, the aforesaid suspension hook detecting device of rushing to summit also comprises Buffer Unit, and described Buffer Unit and described binary pair together are arranged on described trolley frame or crane arm jib bottom, perhaps described hook assembly top.

In an embodiment of the present utility model, aforesaid Buffer Unit comprises fixed part, elastic component and cushion block, and described elastic component is arranged between described fixed part and cushion block.

In an embodiment of the present utility model, aforesaid binary pair is arranged on described cushion block.

In an embodiment of the present utility model, aforesaid elastic component comprises guiding cylinder body and the pilot piston of mutual fastening, and is arranged in described guiding cylinder body, and the Compress Spring of described guiding cylinder body and pilot piston is supported respectively at two ends.

The utility model also provides a kind of hoisting crane, described hoisting crane comprises trolley frame or crane arm jib, hook assembly, and control setup, described hook assembly hangs and is located at below described trolley frame or crane arm jib, it is characterized in that, described hoisting crane also comprises as the aforementioned the described suspension hook of any one detecting device of rushing to summit.

The beneficial effects of the utility model are, adopt the suspension hook that the utility model proposes detecting device of rushing to summit can accurately control safety distance between hook assembly and trolley frame or crane arm jib, are not subject to the impact of external factor, and can reach Based Intelligent Control.Even the lifting altitude of hoisting crane, lifting brachium etc. have produced to change and also need not to reset.Therefore, make the operation of hoisting crane safer, reliable.The suspension hook that the utility model proposes detecting device of rushing to summit can use separately; also can jointly use with existing height limitator; thereby during at existing height limitator et out of order or less than in time adjustment; hook assembly and trolley frame or crane arm jib are played the position limitation protection effect, thereby reach double insurance.

Above-mentioned explanation is only the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by embodiment, and the cooperation accompanying drawing, be described in detail as follows.

Description of drawings

Fig. 1 is the rush to summit structural representation of detecting device of the hoisting crane partial component of the utility model preferred embodiment and suspension hook thereof.

Fig. 2 is the rush to summit structural representation of signal transmission module of detecting device of the utility model preferred embodiment suspension hook.

Fig. 3 is the rush to summit structural representation of Buffer Unit of detecting device of the utility model preferred embodiment suspension hook.

The specific embodiment

Be to reach technological means and the effect that predetermined utility model purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof to the detecting device of rushing to summit according to the hoisting crane that the utility model proposes and suspension hook thereof are described in detail as follows:

Relevant aforementioned and other technology contents of the present utility model, Characteristic can be known to present in the following detailed description that coordinates with reference to graphic preferred embodiment.Explanation by the specific embodiment, when can be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended graphic only be to provide with reference to the use of explanation, the utility model is limited.

Shown in Figure 1, the rush to summit hoisting crane of detecting device of the suspension hook of using the utility model preferred embodiment comprisestrolley frame 1,hook assembly 2, control setup (not shown), and other parts that form hoistingcrane.Hook assembly 2 hangs by steel rope 3 and is located attrolley frame 1 below, andhook assembly 2 can rise or descend under the driving of crane hoisting mechanism, namely towards or move away fromtrolley frame 1.

The suspension hook of the utility model preferred embodiment detecting device of rushing to summit comprises the position transduser 41 that is arranged ontrolley frame 1 bottom, and is arranged onhook assembly 2 tops, thebinary pair 42 that position transduser 41 can be triggered.This position transduser 41 andbinary pair 42 can be contacts, are for example a pair of contact switch, namely whenbinary pair 42 touches position transduser 41, position transduser 41 can be triggered; Can be also contactless, be for example the pair of magnetic switch, namely whenbinary pair 42 approximated position sensor 41, position transduser 41 can be triggered.

The suspension hook of the utility model preferred embodiment detecting device of rushing to summit also comprises thesignal transmission module 43 that is arranged ontrolley frame 1 top, and is arranged onhook assembly 2 tops, theBuffer Unit 44 ofbinary pair 42 belows.

Please in the lump with reference to shown in Figure 2,signal transmission module 43 comprisesbase plate 431, is arranged on thesolar panel 432 of a side onbase plate 431, and thestorage battery 433 and thewireless signal transmitter 434 that are arranged on opposite side on base plate 431.Therefore,signal transmission module 43 does not need to be electrically connected to crane controller and power supply, is utilized solar poweredly bysolar panel 432, is got final product to the crane controller signal transmission by wireless signal transmitter 434.Signal transmission module 43 is connected with position transduser 41 signals, therefore the signal of position transduser 41 can be transferred to crane controller.

Please in the lump with reference to shown in Figure 3,Buffer Unit 44 comprises fixedpart 441, is arranged on theelastic component 442 of fixedpart 441 tops, is arranged on thecushion block 443 ofelastic component 442 tops, and the pad 444 that is arranged oncushion block 443 tops.Fixedpart 441 is used forBuffer Unit 44 is fixed onhook assembly 2 tops.Elastic component 442 comprises guidingcylinder body 445 and thepilot piston 446 of mutual fastening in the present embodiment, and is arranged in guidingcylinder body 445, and the CompressSpring 447 of guidingcylinder body 445 andpilot piston 446 is supported respectively at two ends.Cushionblock 443 is fixed onelastic component 442 tops, offersgroove 448 at its top, andbinary pair 42 and pad 444 are contained in this groove 448.Pad 444 is fixed in thisgroove 448, andbinary pair 42 is fixed on pad 444, and the upper surface of preferredbinary pair 42 slightly protrudes from the upper surface ofcushion block 443.

Like this, at the crane loading weight of using the utility model preferred embodiment,hook assembly 2 makes progress under the lifting mechanism of hoisting crane drives, namely whentrolley frame 1 moves, if be positioned at that thebinary pair 42 athook assembly 2 tops touches the position transduser 41 that is positioned attrolley frame 1 bottom and with its triggering, perhapsbinary pair 42 approximated position sensors 41 and with its triggering.Signal transmission module 43 can be transferred to crane controller bywireless signal transmitter 434 with this energizing signal, produces by control setup the ct-off signal that hoists, thereby stops immediately the running of lifting mechanism, makeshook assembly 2 no longer continue to rise.Evenhook assembly 2 continues action upwards because inertia exists, theelastic component 442 ofBuffer Unit 44 can produce compression, thereby absorbs the kinetic energy ofhook assembly 2 upward movements, reduces the impact of 2 pairs oftrolley frames 1 of hook assembly.

Like this, adopt the suspension hook that the utility model proposes detecting device of rushing to summit accurately to control safety distance betweenhook assembly 2 andtrolley frame 1, be not subject to the impact of external factor, and can reach Based Intelligent Control.Even the lifting altitude of hoisting crane, lifting brachium etc. have produced to change and also need not to reset.Therefore, make the operation of hoisting crane safer, reliable.

The suspension hook that the utility model proposes detecting device of rushing to summit can use separately; also can jointly use with existing height limitator; thereby during at existing height limitator et out of order or less than in time adjustment,spreader assembly 2 andtrolley frame 1 are played the position limitation protection effect, thereby reach double insurance.

Be appreciated that, in the suspension hook that the utility model proposes is rushed to summit other embodiment of detecting device,signal transmission module 43 can be connected with the crane controller signal in other wired or wireless mode, theelastic component 442 ofBuffer Unit 44 can be also Compress Spring, the elastic element of other form such as plate-shaped springs.Binary pair 42 also can be arranged ontrolley frame 1 bottom, and correspondingly position transduser 41 can be arranged onhook assembly 2 tops, can reach the purpose of this utility model equally.

Be appreciated that equally the suspension hook that the utility model proposes detecting device of rushing to summit both can be applied in the transfer crane with crane carriage, on flat jib crane etc., also can be applied to not adopt the hoisting crane of crane carriage, for example on whip-typed tower crane.Just in this case, position transduser 41 andsignal transmission module 43 are not arranged ontrolley frame 1, and are arranged on the crane arm jib ofhook assembly 2 suspensions, and its concrete structure and start principle are all close with above-mentioned embodiment, are not therefore giving unnecessary details.

the above, only embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (10)

1. the suspension hook of the hoisting crane detecting device of rushing to summit, described hoisting crane comprises trolley frame or crane arm jib, hook assembly, and control setup, described hook assembly hangs and is located at below described trolley frame or crane arm jib, it is characterized in that, the described suspension hook detecting device of rushing to summit comprises position transduser and the binary pair that described position transduser can be triggered, one of them is arranged on described position transduser and binary pair bottom described trolley frame or crane arm jib, and another is arranged on described hook assembly top, described position transduser is connected with described control setup signal.

2. the suspension hook of the hoisting crane as claimed in claim 1 detecting device of rushing to summit, is characterized in that, the described suspension hook detecting device of rushing to summit also comprises signal transmission module, and described position transduser is connected with described control setup signal by described signal transmission module.

3. the suspension hook of the hoisting crane as claimed in claim 2 detecting device of rushing to summit, is characterized in that, described signal transmission module and described position transduser together are arranged on described trolley frame or crane arm jib bottom, perhaps described hook assembly top.

4. the suspension hook of the hoisting crane as claimed in claim 3 detecting device of rushing to summit, is characterized in that, described signal transmission module comprises base plate, solar panel, storage battery, and wireless signal transmitter.

5. the suspension hook of the hoisting crane as claimed in claim 4 detecting device of rushing to summit, is characterized in that, described wireless signal transmitter is connected with described position sensor signal, and described wireless signal transmitter is connected with described control setup signal.

6. the suspension hook of the hoisting crane as claimed in claim 1 detecting device of rushing to summit, it is characterized in that, the described suspension hook detecting device of rushing to summit also comprises Buffer Unit, and described Buffer Unit and described binary pair together are arranged on described trolley frame or crane arm jib bottom, perhaps described hook assembly top.

7. the suspension hook of the hoisting crane as claimed in claim 6 detecting device of rushing to summit, is characterized in that, described Buffer Unit comprises fixed part, elastic component and cushion block, and described elastic component is arranged between described fixed part and cushion block.

8. the suspension hook of the hoisting crane as claimed in claim 7 detecting device of rushing to summit, is characterized in that, described binary pair is arranged on described cushion block.

9. the suspension hook of the hoisting crane as claimed in claim 7 detecting device of rushing to summit, it is characterized in that, described elastic component comprises guiding cylinder body and the pilot piston of mutual fastening, and is arranged in described guiding cylinder body, and the Compress Spring of described guiding cylinder body and pilot piston is supported respectively at two ends.

10. hoisting crane, described hoisting crane comprises trolley frame or crane arm jib, hook assembly, and control setup, described hook assembly hangs and is located at below described trolley frame or crane arm jib, it is characterized in that, described hoisting crane also comprises as the described suspension hook of the claim 1-9 any one detecting device of rushing to summit.

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