CN203202128U

CN203202128U - Chain for hanging

Info

Publication number: CN203202128U
Application number: CN2013200828520U
Authority: CN
Inventors: 生鹰道雄
Original assignee: Tsubakimoto Chain Co
Current assignee: Tsubakimoto Chain Co
Priority date: 2012-08-29
Filing date: 2013-02-22
Publication date: 2013-09-18
Anticipated expiration: 2023-02-22
Also published as: TW201408847A; CN103671718A; KR20140029116A; CN103671718B; KR101597871B1; TWI541421B; JP5805035B2; JP2014047806A

Abstract

The utility model provides a chain (100) for hanging. The chain (100) for hanging is provided with first chain plates (110), second chain plates (120) and a pin shaft (130), wherein the first chain plates (110) are arranged at two outer sides of a roller (140) in the width direction of the chain, the second chain plates (120) are arranged at the two outer sides of the roller in the width direction of the chain and at least the outer sides of the inner sides and the outer sides of the first chain plates in the width direction of the chain, the pin shaft (130) penetrates through a hole (141) of the roller and loose embedding holes (111) of the first chain plates and is embedded in tight embedding holes (121) in the second chain plates, at least two of the first chain plates and at least two of the second chain plates are respectively arranged relative to the single roller at the single side in the width direction of the chain, and the second chain plates are at least arranged at the outermost side. Therefore, compared with a single-line chain, the chain for hanging can reinforce tensile strength. Compared with the structure that only multiple lines of rollers and the chain plates are arranged respectively, the number of parts can be reduced, meanwhile, the width of the chain can be reduced, and miniaturization is realized.

Description

The hanging chain

Technical field

The utility model relates to the hanging chain, and for example, in the sky parking of vehicle, the hanging that moves in the vertical direction of raising platform that makes the mounting vehicle is with chain or hanging chain that the pallet fork type lifting unit of fork truck is moved in the vertical direction.

Background technique

Use in the chain in the existing hanging that is widely known by the people, as the example that object is moved in the vertical direction, be useful on the raising platform that carries the vehicles such as automobile, motorcycle, bicycle by the annex hanging in sky parking, the hanging chain (for example patent documentation 1 and patent documentation 2) that this raising platform is moved in the vertical direction.

As the hanging chain of so existing the first form, for example hanging shown in Fig. 8 (A) is arranged with chain 700, as the hanging chain of existing the second form, by the chain 800 of the hanging shown in Fig. 8 (B).

At this, Fig. 8 (A) be the hanging of the existing the first form of expression with the plan view that contains cut-away section of chain 700, Fig. 8 (B) represents that the hanging of existing the second form is with the plan view that contains cut-away section of chain 800.

The hanging of existing the first form shown in Fig. 8 (A), is so-called single-row chain with chain 700, by about paired inner plate 710, about paired outer plate 720, bearing pin 740, lining 730, roller 750 form.

Wherein, roller 750 can be installed in the periphery of lining 730 with rotating freely, and lining 730 is pressed in the bush hole 711 of the chain length direction both sides that are formed at inner plate 710.

Bearing pin 740 interts in the lining 730 in the bush hole 711 that is pressed into inner plate 710, and and be pressed in the pin-and-hole 721 of the chain length direction both sides that are formed on outer plate 720, inner plate 710 is connected with outer plate on the chain length direction alternately connects.

At this, in the hanging that is used for sky parking etc. with in the situation of chain 700, different from the transmission chain bar, the running speed of chain is very slow, but in the chain effect by the raising platform of chain hanging and carry all wt of the vehicle on this raising platform, therefore, require to have large tensile strength.

In addition, the hanging of existing the first form with the structure of chain 700 is, in chain width direction both sides an inner plate 710 and outer plate 720 are set respectively, therefore, there is the hanging inadequate possibility of tensile strength of chain 700 integral body, when the weight of raising platform etc. acts on the chain length direction with the form of pulling force, might produce the active force of shearing bearing pin 740 in the connecting part of inner plate 710 and outer plate 720, make bearing pin 740 bending as double dot dash line represents.

In addition, shown in Fig. 8 (B), the hanging of existing the second form paired inner plate 810 about having with chain 800, about paired outer plate 820, bearing pin 840, lining 830, roller 850, consist of so-called two row chains by inner plate 810 and outer plate 820 and lining 830 and roller 850, in order to bear large tensile strength.

And use chain 700 similarly with the hanging of the first form, bearing pin 840 is pressed in the pin-and-hole 821 of outer plate 820, and lining 830 is pressed in the bush hole 811 of inner plate 810.

Patent documentation 1: real fair 3-31794 communique

Patent documentation 2: Unexamined Patent 5-287929 communique

The model utility content

; because the hanging of existing the second form has what is called two array structures that are made of inner plate 810, outer plate 820, lining 830 and roller 850 with chain 800; therefore, there is the problem that width is too wide, amount of parts is too much that makes the chain width direction.

The utility model is made for the problem that solves above-mentioned prior art, namely, the purpose of this utility model provides a kind of hanging chain, compare with single-row chain, can increase tensile strength, and merely roller be compared with the structure that carrier bar arranges respectively multiple row, can reduce amount of parts, simultaneously can reduce the chain width, realize miniaturization.

The hanging chain of the utility model scheme 1 is, connect the first carrier bar and the second carrier bar by bearing pin in the chain length direction, the transmission of power of driving sprocket wheel is given at lifting direction moving member movably, and this hanging has with chain: with the roller of described driving sprocket wheel engagement, the first carrier bar along two arranged outside of the width direction of chain at this roller, this roller along two outsides of the width direction of chain and the first carrier bar along the inboard of chain width direction and the second carrier bar of at least arranged outside in the outside, can gang up with rotating freely in the loose embedding hole of the hole of described roller and the first carrier bar and be entrenched in bearing pin in the embedding hole of the second carrier bar; With respect to a roller described the first carrier bar and the second carrier bar more than two are set respectively at the one-sided of the chain width direction take described roller as benchmark, the outermost of the first carrier bar on described chain width direction arranges described the second carrier bar at least.Can solve above-mentioned problem thus.

The hanging chain of the utility model scheme 2 is on the basis of hanging with the formation of chain of scheme 1, at described chain width direction described the first carrier bar and the second carrier bar is set alternately.Can further solve above-mentioned problem thus.

The hanging chain of the utility model scheme 3 is on the basis of hanging with the formation of chain of scheme 1 or 2, quantity at the first one-sided carrier bar of the chain width direction take described roller as benchmark is identical with described the second carrier bar quantity, and respectively with identical in the quantity of the first carrier bar of the opposite side of described chain width direction and the second carrier bar, can further solve above-mentioned problem in the quantity of the first carrier bar of described chain width direction one side and the second carrier bar thus.

The hanging chain of the utility model scheme 4 is, connect the first carrier bar and the second carrier bar by bearing pin in the chain length direction, the transmission of power of driving sprocket wheel is given at lifting direction moving member movably, and this hanging has with chain: with the roller of described driving sprocket wheel engagement, be arranged at this roller at first carrier bar in two outsides of chain width direction, be arranged at this roller in two outsides of chain width direction and compare the second carrier bar that the first carrier bar more leans on the outside of chain width direction, can gang up with rotating freely in the loose embedding hole of the hole of described roller and the first carrier bar and be embedded in bearing pin in the embedding hole of the second carrier bar; With respect to a roller described the first carrier bar more than three is set at the one-sided of the chain width direction take described roller as benchmark, only the outermost with respect to the first carrier bar at described chain width direction arranges described the second carrier bar, described more than three the part in the first carrier bar be arranged on than described the second carrier bar more by the inboard of chain width direction and with the second carrier bar in the identical position of chain length direction, be connected to the first carrier bar between any two bearing pins in the described bearing pin and the total block data of the second carrier bar, identical with bearing pin and the piece number of the first carrier bar between the adjacent bearing pin in being connected to described any two bearing pins.Can further solve above-mentioned problem thus.

The hanging chain of the utility model scheme 5 is on the hanging of scheme 4 basis with the formation of chain, be arranged on than described the second carrier bar more by the inboard of chain width direction and and the second carrier bar in the chain length direction at the first carrier bar of same position be connected to bearing pin in described two bearing pins and the first carrier bar between the adjacent bearing pin alternately arranges on the chain width direction.Can further solve above-mentioned problem thus.

Hanging of the present utility model connects first carrier bar and second carrier bar by bearing pin along the chain length direction with chain, not only the power of driving sprocket wheel can be passed to movably moving member in the lifting direction, also has following distinctive effect.

The hanging of the utility model scheme 1 has with chain: with the roller of driving sprocket wheel engagement, first carrier bar along two arranged outside of chain width direction of this roller, roller along two outsides of chain width direction and at second carrier bar along the inboard of chain width direction or arranged outside of the first carrier bar, can gang up with rotating freely in the loose embedding hole of the hole of roller and the first carrier bar and be entrenched in bearing pin in the embedding hole of the second carrier bar; With respect to a roller the first carrier bar and the second carrier bar more than two are set respectively at the one-sided of the chain width direction take roller as benchmark, the second carrier bar is arranged on the outermost of chain width direction, like this, compare with chain with the common one-sided hanging that first carrier bar and the second carrier bar respectively are set at the chain width direction, increase with respect to the first carrier bar of a row roller and the piece number of the second carrier bar, therefore, the multiple row roller is not set respectively, the first carrier bar and the second carrier bar are also owing to increasing and can correspondingly increase tensile strength with respect to the piece number of the first carrier bar of a row roller and the second carrier bar.

In addition owing to just increasing with respect to the first carrier bar of a row roller and the piece number of the second carrier bar, therefore, with make roller, the first carrier bar and the second carrier bar respectively the mechanism of multiple row compare, can reduce amount of parts, make the stenosis of chain width, the realization miniaturization.

In addition, because the bearing pin pine is embedded in the loose embedding hole of the first carrier bar, so that chimeric place reduces, the distortion in the time of can reducing the assembling such as chain distortion, the positional accuracy of moving member when improving lifting.

In addition, do not need the structure of the hanging that improves the such component of the little lining of tensile strength effect being used chain is set owing to becoming, therefore, can reduce amount of parts, reduce the cost of parts that chain is used in hanging.

In addition, for example, because will be at polylith first carrier bar of chain width direction one side, the second carrier bar in chain width direction one side, roller, be configured to row at polylith first carrier bar of chain width direction opposite side and at polylith second carrier bar of chain width direction opposite side, can once finish the connection operation of ganging up bearing pin, also be, can be with the interior chain of making first with lining, ganging up the outer chain of bearing pin assembling makes the chain manufacturing operation that existing two stages of chain finish and realizes a stage again, therefore, can simplify the chain manufacturing process, simultaneously, twisted during the such assembling of the transverse bending of the first carrier bar that produces in the time of can avoiding interior chain to make wholely improves hanging with the making precision of chain.

Owing to need to bush hole be set at the first carrier bar, so that the area around the bearing pin embedding part of the first carrier bar increases, therefore, can improve the tensile strength of the first carrier bar, become the chain that has fully high tensile strength the moving member movably for driving in the lifting direction.

In addition, although there is not lining, but bearing pin and the first carrier bar can rotate freedom mutually, therefore, even in the situation that hanging be hung on the driving sprocket wheel with chain and make its rotation, also can successfully carry out the relative rotation between the first carrier bar and bearing pin and the second carrier bar, make hanging chain trouble-free operation.

The hanging chain of the utility model scheme 2 is on the basis of the effect of the model utility of scheme 1, by the first carrier bar and the second carrier bar alternately are set on the chain width direction, compare with situation about mutually not replacing, the quantity in the place of shearing force and Moment increases, correspondingly disperseed load, so that each local load diminishes, thereby can increase hanging with the tensile strength of chain integral body.

The hanging chain of the utility model scheme 3 is on the basis of the effect of the model utility of scheme 1 or 2, quantity at the first one-sided carrier bar of the chain width direction take roller as benchmark is identical with the quantity of the second carrier bar, identical with the first carrier bar and the second carrier bar quantity separately at chain width direction opposite side in the first carrier bar of chain width direction one side and the second carrier bar quantity separately, therefore, can eliminate the inequality in the one-sided tensile strength along the chain length direction of chain width direction, and make in the tensile strength of chain width direction both sides identical, therefore, can eliminate the waste that arranges at the first carrier bar and the second carrier bar.

The hanging of the utility model scheme 4 has with chain: with the roller of described driving sprocket wheel engagement, be arranged at this roller first carrier bar in two outsides of chain width direction, be arranged at this roller in two outsides of chain width direction and than the first carrier bar more by second carrier bar in the outside of chain width direction, can gang up with rotating freely in the loose embedding hole of the hole of described roller and the first carrier bar and be embedded in bearing pin in the embedding hole of the second carrier bar; With respect to a roller described the first carrier bar more than three is set at the one-sided of the chain width direction take described roller as benchmark, only the outermost with respect to the first carrier bar at described chain width direction arranges described the second carrier bar, described more than three the part in the first carrier bar be arranged on than described the second carrier bar more by the inboard of chain width direction and with the second carrier bar in the identical position of chain length direction; Be connected to the total block data, identical with bearing pin and the piece number of the first carrier bar between the adjacent bearing pin in being connected to described any two bearing pins of the first carrier bar between any two bearing pins in the described bearing pin and the second carrier bar.Therefore, compare with chain with the common one-sided hanging that first carrier bar and the second carrier bar respectively are set at the chain width direction, become many with respect to the columns of the carrier bar of a row roller, therefore, can obtain the model utility effect identical with scheme 1.

In addition, owing to only being pressed into bearing pin at outermost the second carrier bar, the structure that the second carrier bar is set with the inboard along the chain width direction at the first carrier bar is compared, and easily makes the hanging chain.

The hanging chain of the utility model scheme 5 is on the basis of the effect of the model utility of scheme 4, the first carrier bar that arranges in the position identical along the chain length direction along the inboard of chain width direction and with the second carrier bar that alternately is arranged on described the second carrier bar on the chain width direction be connected described two bearing pins in bearing pin and the first carrier bar between adjacent bearing pin.Therefore, compare with the structure that does not alternately arrange, the quantity in the place of shearing force and Moment increases, and correspondingly so that load is disperseed, the load of bearing in each place diminishes, and can increase the tensile strength that chain integral body is used in hanging.

Description of drawings

Fig. 1 is the 1st embodiment's of the present utility model hanging with the stereogram that contains cut-away section of chain.

Fig. 2 (A) and Fig. 2 (B) are the 1st embodiment's of the present utility model hangings with the plan view that contains cut-away section and the side view of chain.

Fig. 3 uses the hanging shown in Figure 1 summary side elevation of the sky parking of chain.

Fig. 4 is the approximate three-dimensional map that the configuration of chain is used in the hanging of expression sky parking shown in Figure 3.

Fig. 5 has used the hanging shown in Figure 1 approximate three-dimensional map of the fork truck of chain.

Fig. 6 (A) and Fig. 6 (B) are the 2nd embodiment's of the present utility model hangings with the plan view that contains cut-away section and the side view of chain.

Fig. 7 (A) and Fig. 7 (B) are the 3rd embodiment's of the present utility model hangings with the plan view that contains cut-away section and the side view of chain.

Fig. 8 (A) and Fig. 8 (B) are plan views chain, that contain cut-away section of expression prior art.

Embodiment

As long as the utility model has following formation and effect, its embodiment can be varied.This formation is, connects the first carrier bar and the second carrier bar by bearing pin in the chain length direction, and the transmission of power of driving sprocket wheel is given at lifting direction moving member movably; Have: with the roller of described driving sprocket wheel engagement, first carrier bar along two arranged outside of the width direction of chain of this roller, this roller along two outsides of the width direction of chain and at second carrier bar along the inboard of chain width direction and at least arranged outside in the outside of the first carrier bar, can gang up with rotating freely in the loose embedding hole of the hole of described roller and the first carrier bar and be entrenched in bearing pin in the embedding hole of the second carrier bar; One-sided at the chain width direction take described roller as benchmark arranges respectively described the first carrier bar more than two with respect to a roller, and the outermost of the first carrier bar on described chain width direction arranges described the second carrier bar at least.Therefore, compare with chain with the common one-sided hanging that first carrier bar and the second carrier bar respectively are set at the chain width direction, can increase tensile strength, compare with the structure that multiple row roller and carrier bar merely are set respectively, can reduce amount of parts, make the stenosis of chain width, realize miniaturization.

For example, being connected to the piece number of the carrier bar between the one-sided bearing pin of the chain width direction take roller as benchmark so long as get final product more than two, can be three or four.

The piece number of the first one-sided carrier bar of the chain width direction take roller as the benchmark preferably piece number with the second carrier bar is identical, also can be different.

In addition, also the first carrier bar can be arranged on the second carrier bar along the inboard of chain width direction and with the place along the identical position of chain length direction of the second carrier bar.

Form hanging with the material of the chain self of chain so long as under typical temperature the good material of tensile strength, the various materials such as metallic material such as iron or non-iron class can, but need goodish tensile strength, consider tensile strength and anti-corrosive properties, the component such as the first carrier bar, the second carrier bar, bearing pin and roller preferably are made of steel.

In addition, giving the movably form of moving member as long as this hanging can connect at above-below direction with chain with transmission of power, can be loop-like or the opening shape.

Make above-below direction just of direction that moving member movably hung with chain in the hanging of the mechanism that above-below direction moves by hanging with chain, also can be to cross setting on the basis of above-below direction.

Also namely, so long as above-below direction movably the Gravitative Loads of moving member all can with the structure of chain in hanging.

Embodiment 1

Below with reference to Fig. 1 to Fig. 5 the 1st embodiment's of the present utility model hanging is described with chain 100.

Fig. 1 is the 1st embodiment's of the present utility model hanging with the stereogram that contains cut-away section of chain 100, Fig. 2 (A) is the 1st embodiment's of the present utility model who contains cut-away section that sees from the symbol 2A direction of Fig. 1 hanging with the plan view of chain 100, the 1st embodiment's of the present utility model that Fig. 2 (B) sees from the symbol 2B direction of Fig. 1 hanging is with the side view of chain 100, Fig. 3 has used the hanging shown in Figure 1 summary side elevation of the sky parking 400 of chain 100, Fig. 4 is the approximate three-dimensional map that the setting of chain 100 is used in the hanging of expression sky parking 400 shown in Figure 3, and Fig. 5 has used the hanging shown in Figure 1 approximate three-dimensional map of the fork truck 500 of chain 100.

In addition, for the ease of understanding model utility, with the part among section presentation graphs 1 and Fig. 2 (A), but owing in Fig. 2 (B), there is no need to represent a part with section, so do not represent a part with section.

Shown in Fig. 1 to Fig. 2 (B), the 1st embodiment's of the present utility model hanging with the formation of chain 100 is, connect the first carrier bar 110 and the second carrier bar 120 by bearing pin 130 in the chain length direction, the transmission of power of driving sprocket wheel (for example sprocket wheel 520 of the first sprocket wheel 450 of Fig. 4 and the 3rd sprocket wheel 470 and Fig. 5) is given at lifting direction moving member (for example pallet fork type lifting unit 510 of the raising platform 410 of Fig. 3 and Fig. 4 and Fig. 5) movably.

Specifically, hanging with chain 100 have with the roller 140 of above-mentioned driving sprocket wheel engagement, be arranged on this roller 140 the first carrier bar 110 along two outsides of chain width direction, be arranged on this roller 140 along two outsides of chain width direction and at second carrier bar 120 along the inboard of chain width direction or the outside of the first carrier bar 110, can gang up in the loose embedding hole 111 of the hole 141 of roller 140 and the first carrier bar 110 and the bearing pin 130 chimeric with the embedding hole 121 of the second carrier bar 120 with rotating freely.

The embedding hole 121 of loose embedding hole 111 to the second carrier bars 120 of the first carrier bar 110 is slightly bigger.

In addition, with respect to a roller 140 outermost that the first carrier bar 110 more than two and the second carrier bar 120, the second carrier bars 120 are arranged on the chain width direction is set respectively at the one-sided of the chain width direction take roller 140 as benchmark.

Therefore, compare with chain with the common one-sided hanging that first carrier bar 110 and the second carrier bar 120 respectively are set at the chain width direction, become many with respect to the first carrier bar 110 of a row roller and the piece number of the second carrier bar 120.

Also namely, there is no need to make respectively multiple row of roller 140, the first carrier bar 110 and the second carrier bar 120.

In addition, only increase the piece number of the first carrier bar 110 and the second carrier bar 120 with respect to a row roller.

That is owing to not increasing rows of rollers, with roller 140, the first carrier bar 110 and the second carrier bar 120 respectively the structure of multiple row compare, amount of parts tails off, the stenosis of chain width and miniaturization.

In addition, be embedded in the loose embedding hole 111 of the first carrier bar 110, so that chimeric place tails off owing to bearing pin 130 pines.

And hanging does not need the such part that does not have too large effect to improving tensile strength of lining with chain 100.

In addition, for example, polylith first carrier bar 110 of chain width direction one side, the second carrier bar 120, roller 140, polylith first carrier bar 110 of chain width direction opposite side and polylith second carrier bar 120 of chain width direction opposite side of chain width direction one side are configured to row, can once finish the connection operation of ganging up bearing pin 130, simplify the chain manufacturing process.

Owing on the first carrier bar 110 bush hole not being set, it is large that the area around the bearing pin embedding part of the first carrier bar 110 becomes, and can improve the tensile strength of the first carrier bar 110.

Specifically, in the 1st embodiment, from the example as the roller 140 side direction outside of the inboard of chain width direction, by the order setting of the second carrier bar 120, the first carrier bar 110, the first carrier bar 110, the second carrier bar 120.

In the present embodiment, the quantity of the first one-sided carrier bar 110 of the chain width direction take roller 140 as benchmark is identical with the quantity of the second carrier bar 120, and is identical with the first carrier bar 110 and the second carrier bar 120 quantity separately at chain width direction opposite side respectively in the first carrier bar 110 of chain width direction one side and the second carrier bar 120 quantity separately.

Therefore, can eliminate the inequality in the tensile strength one-sided, the chain length direction of chain width direction, make in the tensile strength of chain width direction both sides identical.

The below is to using hanging to describe with the example of chain 100.

For example, as shown in Figures 3 and 4, be provided with hanging chain 100 in sky parking 400.

The raising platform 410 of one example of the moving member that can move at above-below direction along pillar 480 is connected with the part of hanging with chain 100, with chain 100 hangings, is loaded vehicle at raising platform 410 by hanging.

In more detail, sky parking 400 has motor 420, chain drive-belt 440, running shaft 430, the first paired sprocket wheel 450, the second paired sprocket wheel 460, paired the 3rd sprocket wheel 470, raising platform 410, four hangings chain 100 and pillars 480.

Make motor 420 rotations by operating button, the power of motor 420 passes to running shaft 430 by chain drive-belt 440, the first paired sprocket wheel 450 that driving and running shaft 430 rotate with being integral and the 3rd paired sprocket wheel 470.

At this, be linked with four hangings chain 100 at the first paired sprocket wheel 450 and the 3rd paired sprocket wheel 470.

Wherein, two hangings that are hung on the first paired sprocket wheel 450 also are hung on respectively on the second paired sprocket wheel 460 with chain 100, and the one end is connected respectively with about the front side of the vehicle inlet side of raising platform 410.

The other end can not affect driving during with chain 100 like that, be connected with parts not shown in the figures in the hanging of the first sprocket wheel 450 coiling raising platforms 410 sides.

In addition, two hangings that are hung on the 3rd paired sprocket wheel 470 are connected respectively with about the rear side of raising platform 410 with an end of chain 100.

The other end can not affect during with chain 100 in the hanging of the second sprocket wheel 460 coiling raising platforms 410 sides and drive ground, is connected with parts not shown in the figures.

During to a direction rotation, raising platform 410 rises along pillar 480 at motor 420, and when motor 420 during to opposite spin, raising platform 410 descends along pillar 480.

In addition, Fig. 3 and Fig. 4 just summarily represent the structure of sky parking 400, when actual the setting various forms can be arranged.

As shown in Figure 5, hanging is arranged on the fork truck 500 with chain 100.

Pallet fork type lifting unit 510 as an example of the moving member that can move at above-below direction along mast 530 is connected with the part of hanging with chain 100, by hanging with chain 100 hangings, at pallet fork type lifting unit 510 mounting shipping containers and other items.

In more detail, fork truck 500 has belt sprocket motor not shown in the figures, sprocket wheel 520, pallet fork type lifting unit 510, hanging chain 100 and mast 530.

By operator's operation, make the motor rotation of belt sprocket, power is passed to the hanging that is hung on the sprocket wheel 520 and uses on the chain 100.

Hanging is connected with pallet fork type lifting unit 510 with the part of chain 100.

In addition, when hanging with chain 100 when be the opening shape, the one end is connected with pallet fork type lifting unit 510, when hanging usefulness chain 100 when being loop-like, its a part of connection with pallet fork type lifting unit 510 gets final product.

When the motor of belt sprocket during to a direction rotation, pallet fork type lifting unit 510 rises along mast 530, and when the motor of belt sprocket during to opposite spin, pallet fork type lifting unit 510 descends along mast 530.

The 1st embodiment's of the model utility that obtains like this hanging has and driving sprocket wheel (for example the first sprocket wheel 450 of Fig. 4 and the 3rd sprocket wheel 470 with chain 100, the sprocket wheel 520 of Fig. 5) roller 140 of engagement, the first carrier bar 110 along two arranged outside of chain width direction at this roller 140, roller 140 along chain width direction two outsides and the first carrier bar 110 along the inboard of chain width direction or the second carrier bar 120 of arranged outside, can gang up with rotating freely in the loose embedding hole 111 of the hole 141 of roller 140 and the first carrier bar 110 and be entrenched in bearing pin 130 in the embedding hole 121 of the second carrier bar 120; The chain width direction take roller 140 as benchmark one-sided, with respect to a roller 140 the first carrier bar 110 and the second carrier bar 120 more than two are set respectively; The second carrier bar 120 is arranged on along the outermost of chain width direction, like this, need not to arrange multiple row roller 140 and the first carrier bar 110 and the second carrier bar 120, just increase with respect to the piece number of the first carrier bar 110 of a row roller and the second carrier bar 120 and correspondingly increase tensile strength, with multiple row roller 140 is set, the first carrier bar 110 is compared with the formation of the second carrier bar 120, can reduce amount of parts, make the stenosis of chain width, realize miniaturization, the chain distortion that produces in the time of can reducing assembling etc., the positional accuracy of moving member (for example pallet fork type lifting unit 510 of the raising platform 410 of Fig. 3 and Fig. 4 and Fig. 5) when improving lifting, reduce amount of parts, thereby lower the cost of parts that chain 100 is used in hanging.

In addition, quantity at the first one-sided carrier bar 110 of the chain width direction take roller 140 as benchmark is identical with the quantity of the second carrier bar 120, identical with the first carrier bar 110 and the second carrier bar 120 quantity separately at chain width direction opposite side respectively in the first carrier bar 110 of chain width direction one side and the second carrier bar 120 quantity separately, therefore, wastes in the time of can eliminating configuration the first carrier bar 110 and the second carrier bar 120 etc., its effect is remarkable.

Below with reference to Fig. 6 (A) and Fig. 6 (B) the 2nd embodiment's of the present utility model hanging is described with chain 200.

Fig. 6 (A) is the 2nd embodiment's of the present utility model hanging with the plan view that contains partial cross section of chain 200, and Fig. 6 (B) is the 2nd embodiment's of the present utility model that sees from the symbol 6B direction of Fig. 6 (A) hanging with the side view of chain 200.

In addition, for the ease of understanding model utility, the part of Fig. 6 (A) represents with the cross section, but in Fig. 6 (B) owing to there is no need the expressed portion partial cross-section, therefore do not have the expressed portion partial cross-section.

The 2nd embodiment's hanging is by the 1st embodiment's hanging the first carrier bar 110 and alternately the arranging on the chain width direction of the second carrier bar 120 with chain 100 formed with chain 200, because most of component and the 1st embodiment's hanging is common with chain 100, so omit the detailed description to common project, only give the symbol of 200 identical positions of rear binary digit.

The 2nd embodiment's of the present utility model hanging has roller 240 above-mentioned and the driving sprocket wheel engagement with chain 200, the first carrier bar 210 along two arranged outside of chain width direction at this roller 240, roller 240 along two outsides of chain width direction and the first carrier bar 210 along the inboard of chain width direction or the second carrier bar 220 of arranged outside, can gang up with rotating freely in the hole 241 of roller 240 and the first carrier bar 210 loose embedding holes 211 and be entrenched in bearing pin 230 in the embedding hole 221 of the second carrier bar 220.

With respect to a roller 240 outermost that the first carrier bar 210 more than two and the second carrier bar 220, the second carrier bars 220 are arranged on the chain width direction is set respectively at the one-sided of the chain width direction take roller 240 as benchmark.

In addition, the first carrier bar 210 and the second carrier bar 220 alternately are set on the chain width direction.

Thus, compare with the structure that the first carrier bar (210) and the second carrier bar (220) alternately are not set at the chain width direction, the quantity in the place of shearing force and Moment increases, and load is correspondingly disperseed, and each local load reduces.

Also namely, increase as the tensile strength of hanging with chain integral body.

Specifically, in the 2nd embodiment, from the example of conduct in the roller 240 1 side direction outside of the inboard of chain width direction, can arrange by the order of the first carrier bar 210, the second carrier bar 220, the first carrier bar 210, the second carrier bar 220.

The 2nd embodiment's of the present utility model who obtains like this hanging alternately arranges the first carrier bar 210 and the second carrier bar 220 with chain 200 on the chain width direction, therefore, with be not that structure (example the 1st embodiment described above structure) the chain width direction alternately configures the first carrier bar (210) and the second carrier bar (220) is compared, can increase the tensile strength of hanging usefulness chain integral body etc., its effect is remarkable.

Embodiment 3

Below, with reference to Fig. 7 (A) and Fig. 7 (B) the 3rd embodiment's of the present utility model hanging is described with chain 300.

At this, Fig. 7 (A) is the 3rd embodiment's of the present utility model hanging with the plan view that contains partial cross section of chain 300, and Fig. 7 (B) is the 3rd embodiment's of the present utility model that sees from the symbol 7B direction of Fig. 7 (A) hanging with the side view of chain 300.

In addition, for the ease of the understanding to model utility, in Fig. 7 (A), represent partial cross section, but do not had the expressed portion partial cross-section owing in Fig. 7 (B), there is no need the expressed portion partial cross-section.

The 3rd embodiment's hanging is the structures that the 2nd embodiment's hanging replaced to the first carrier bar with the second carrier bar beyond the outermost of chain 200 with chain 300, because most of component and the 2nd embodiment's hanging is common with chain 200, so omit the detailed description to common project, only give the symbol of 300 identical positions of rear binary digit.

The 3rd embodiment's of the present utility model hanging has the roller 340 that meshes with driving sprocket wheel with chain 300, the first carrier bar 310 along two arranged outside of chain width direction at this roller 340, in two outsides of the chain width direction of roller 340 and at second carrier bar 320 along the arranged outside of chain width direction of the first carrier bar 310, can gang up with rotating freely in the loose embedding hole 311 of the hole 341 of roller 340 and the first carrier bar 310 and be entrenched in bearing pin 330 in the embedding hole 321 of the second carrier bar 320.

In addition, with respect to a roller 340 the first carrier bar 310 more than three is set at the one-sided of the chain width direction take roller 340 as benchmark, only the outermost at the first carrier bar 310 of chain width direction arranges the second carrier bar 320, and the first carrier bar 310A of the part in first carrier bar 310 more than three of the first carrier bar 310 be arranged on the second carrier bar 320 along the inboard of chain width direction and with the second carrier bar 320 in the identical position of chain length direction.

In addition, the first carrier bar 310A that connects 330 of any two bearing pins in the bearing pin 330 be connected total piece number, identical with bearing pin 330 and the piece number of the first carrier bar 310 of 330 of adjacent bearing pins in any two bearing pins 330 of connection of carrier bar 320.

In the present embodiment 3, one-sided at the chain width direction, connecting the first carrier bar 310A of 330 of any two bearing pins and the total block data of the second carrier bar 320 is two, and the piece number that connects the first carrier bar 310 of 330 of one of them bearing pin 330 in any two bearing pins 330 and adjacent bearing pins is two.

Therefore, compare with chain with the common one-sided hanging that 1 block of first carrier bar and the second carrier bar respectively are set at the chain width direction, increase with respect to the columns of the carrier bar of a row roller.

In addition, only be pressed into bearing pin 330 at outermost the second carrier bar 320.

Also namely, compare with the 1st embodiment and the 2nd embodiment's the structure that the second carrier bar is set along chain width direction inboard (with reference to Fig. 2 (A) or Fig. 6 (A)) at the first carrier bar, hanging is easier with the manufacturing of chain 300.

In addition, the first carrier bar 310A that arranges in the identical position of chain length direction along the inboard of chain width direction and with the second carrier bar 320 of the second carrier bar 320 be connected two bearing pins 330 in bearing pin 330 and the first carrier bar 310 of 330 of adjacent bearing pins alternately arranged at the chain width direction.

Compare with the structure that does not alternately arrange, the quantity in the place of shearing force and Moment increases, so load disperseed, and each local load diminishes.

In addition, the second carrier bar 320 along the inboard of chain width direction and very little in the gap of 330 of the loose embedding hole 311 of the first carrier bar 310A that arranges along the identical position of chain length direction and bearing pins with the second carrier bar 320, act on hanging and not only act on the second carrier bar 320 with the pulling force of chain 300, also act on the first carrier bar 310A that arranges in the identical position of chain length direction with the second carrier bar 320.

Also namely, can prevent that pulling force from only concentrating on outermost the second carrier bar 320, can increase the tensile strength that chain 300 integral body are used in hanging.

The 3rd embodiment's of the present utility model who obtains like this hanging has the roller 340 that meshes with driving sprocket wheel with chain 300, the first carrier bar 310 along two arranged outside of chain width direction at this roller 340, roller 340 along two outsides of chain width direction and at second carrier bar 320 along the arranged outside of chain width direction of the first carrier bar 310, can gang up with rotating freely in the loose embedding hole 311 of the hole 341 of roller 340 and the first carrier bar 310 and be entrenched in bearing pin 330 in the embedding hole 321 of the second carrier bar 320; One-sided at the chain width direction take roller 340 as benchmark, with respect to a roller 340 the first carrier bar 310 more than three is set, only the outermost at the first carrier bar 310 of chain width direction arranges the second carrier bar 320, the first carrier bar 310A as the part in the first carrier bar 310 more than three is arranged on the inboard along the chain width direction of the second carrier bar 320, and with the second carrier bar 320 in the identical position of chain length direction, the the first carrier bar 310A that connects 330 of any two bearing pins in the bearing pin 330 is with to be connected the piece number of the first carrier bar 310 of 330 of bearing pin 330 in total block data and any two bearing pins 330 of connection of carrier bar 320 and adjacent bearing pins identical, therefore, multiple row roller 340 can be set, the first carrier bar 310 and the second carrier bar 320, but owing to increasing with respect to the columns of the carrier bar of a row roller 1, correspondingly increase tensile strength, compare with the 1st embodiment and the 2nd embodiment's the structure that the second carrier bar is set in the inboard along the chain width direction of the first carrier bar (with reference to Fig. 2 (A) and Fig. 6 (A)), hanging is more easily made with chain 300.

Description of reference numerals

100,200,300 hanging chains

110,210,310 first carrier bars

111,211,311 loose embedding holes

120,220,320 second carrier bars

121,221,321 embedding holes

130,230,330 bearing pins

140,240,340 rollers

, 141,241 341(roller) hole

400 sky parkings

410 raising platforms

420 motors

430 running shafts

440 chain drive-belts

450 first sprocket wheels

460 second sprocket wheels

470 the 3rd sprocket wheels

480 pillars

500 fork trucks

510 pallet fork type lifting units

520 sprocket wheels

530 masts

700,800(prior art) hanging chain

710,810 inner plates

711,811 bush hole

720,820 outer plates

721,821 pin-and-holes

730,830 linings

740,840 bearing pins

750,850 rollers

Claims

1. a hanging chain connects the first carrier bar and the second carrier bar by bearing pin in the chain length direction, and the transmission of power of driving sprocket wheel is given at lifting direction moving member movably, it is characterized in that having:

With the roller of described driving sprocket wheel engagement, first carrier bar along two arranged outside of the width direction of chain of this roller, this roller along two outsides of the width direction of chain and at second carrier bar along the inboard of chain width direction and at least arranged outside in the outside of the first carrier bar, can gang up with rotating freely in the loose embedding hole of the hole of described roller and the first carrier bar and be entrenched in bearing pin in the embedding hole of the second carrier bar;

One-sided at the chain width direction take described roller as benchmark arranges respectively described the first carrier bar and the second carrier bar more than two with respect to a roller, and the outermost of the first carrier bar on described chain width direction arranges described the second carrier bar at least.

2. hanging chain as claimed in claim 1 is characterized in that, at described chain width direction described the first carrier bar and the second carrier bar is set alternately.

3. hanging chain as claimed in claim 1 or 2, it is characterized in that, quantity at the first one-sided carrier bar of the chain width direction take described roller as benchmark is identical with described the second carrier bar quantity, and in the quantity of the first carrier bar of described chain width direction one side and the second carrier bar respectively with identical in the quantity of the first carrier bar of the opposite side of described chain width direction and the second carrier bar.

4. a hanging chain connects the first carrier bar and the second carrier bar by bearing pin in the chain length direction, and the transmission of power of driving sprocket wheel is given at lifting direction moving member movably, it is characterized in that having:

With the roller of described driving sprocket wheel engagement, be arranged at this roller first carrier bar in two outsides of chain width direction, be arranged at this roller in two outsides of chain width direction and than the first carrier bar more by second carrier bar in the outside of chain width direction, can gang up with rotating freely in the loose embedding hole of the hole of described roller and the first carrier bar and be embedded in bearing pin in the embedding hole of the second carrier bar;

With respect to a roller described the first carrier bar more than three is set at the one-sided of the chain width direction take described roller as benchmark, only the outermost with respect to the first carrier bar at described chain width direction arranges described the second carrier bar, described more than three the part in the first carrier bar be arranged on than described the second carrier bar more by the inboard of chain width direction and with the second carrier bar in the identical position of chain length direction;

Be connected to the total block data, identical with bearing pin and the piece number of the first carrier bar between the adjacent bearing pin in being connected to described any two bearing pins of the first carrier bar between any two bearing pins in the described bearing pin and the second carrier bar.

5. hanging chain as claimed in claim 4, it is characterized in that, the first carrier bar that arranges in the position identical along the chain length direction along the inboard of chain width direction and with the second carrier bar that alternately is arranged on described the second carrier bar on the chain width direction be connected described two bearing pins in bearing pin and the first carrier bar between adjacent bearing pin.