The specific embodiment
Followingly embodiments of the invention are described with reference to accompanying drawing.
Figure one is the figure of winding method of the lift appliance hoist cable 5 of expression first embodiment of the invention.Figure two is top plan view of the hoist trunk in the present embodiment lift appliance.In the lift appliance of present embodiment, constitute lift car 1 and go up and down with guide rail 14a, 14b along lift car, counterbalanced weight 10 goes up and down with guide rail 15a, 15b along counterbalanced weight.In addition, lift car 1 is suspended in midair by hoist cable 5 with counterbalanced weight 10, and is driven by winch 8.
In addition, near the bottom of lift car 1 left surface, lift car is installed on the lift car 1 with hanging wheel 6, and lift car is with the plane of rotation of hanging wheel 6, with the left surface almost parallel of lift car 1.So because lift car is installed on the lift car 1 with hanging wheel 6, and with the side of lift car 1 relatively to, so the vertical projection of lift car 1 does not overlap with the vertical projection of lift car with hanging wheel 6.Therefore, winch 8 there is no need to be arranged on and the not contacted eminence of lift car 1, and its result can save the space of hoist trunk short transverse at an easy rate.
In addition, with lift car with the relative side of hanging wheel 6 relatively to the side, promptly near the bottom of the right flank of lift car 1, lift car is installed on the lift car 1 with hoist cable fixed part 3.On the other hand, on the top of counterbalanced weight 10, also installed respectively counterbalanced weight with hanging wheel 11 and counterbalanced weight with hoist cable fixed part 13.At this, lift car has the function of the elongation that absorbs hoist cable 5 with hoist cable fixed part 13 with hoist cable fixed part 3 and counterbalanced weight.
And, be provided with on the top of hoist trunk: the first deflection sheave 4a, 4b, its deflection sheave by two mutual vertical projection almost parallels constitutes; The second deflection sheave 7a, 7b, it is made up of two different deflection sheavies of height and position; And the 3rd deflection sheave 12.At this, the first deflection sheave 4a, 4b, the second deflection sheave 7b, the driving rope sheave 9 of winch 8, counterbalanced weight be with the vertical projection of hanging wheel 11 and the 3rd deflection sheave 12, be configured to lift car with the mutual approximate vertical of the vertical projection of hanging wheel 6.In addition, the vertical projection of the second deflection sheave 7a is configured to tilt with respect to the vertical projection of the first deflection sheave 4a etc., and with respect to the vertical projection inclination of lift car with hanging wheel 6.In addition, the deflection sheave of any all is arranged on the position that is higher than lift car 1 smallpox board.
Below, the winding method of the lift appliance hoist cable 5 of present embodiment is described.The lift appliance of present embodiment adopts 3: 1 winding method basically, utilizes hoist cable fixed part and hoist cable to suspend lift car 1 and counterbalanced weight 10 in midair.Specifically, shown in figure one, at first; One end of hoist cable 5 is fixed on the hoist cable fixed part 3 of lift car 1, and the other end of hoist cable 5 extends to the top from this hoist cable fixed part 3, extends from first deflection sheave 4a approximate horizontal ground to arrive another first deflection sheave 4b; After this first deflection sheave 4b turns to, extend through lift car with hanging wheel 6, after lift car turns to hanging wheel 6, extend towards the top towards the below, be wrapped in the top of the second deflection sheave 7a after; Be wrapped in the bottom of another second deflection sheave 7b again, be wrapped in afterwards on the driving rope sheave 9 of winch 8, turn to the back to extend towards the below; Through counterbalanced weight with hanging wheel 11; After counterbalanced weight turns to hanging wheel 11, extend through the 3rd deflection sheave 12, arrive the hoist cable fixed part 13 on counterbalanced weight 10 tops, and be fixed on this hoist cable fixed part 13 towards the top.
In addition, the vertical projection of winch 8 is configured between the vertical projection of the vertical projection of lift car 1 and lifting channel wall 16.Therefore, there is no need to be provided for avoiding producing the space that contacts between winch 8 and the lift car 1, so can save the space of the short transverse of hoist trunk in short transverse.In addition, because winch 8 has adopted slim winch, so, even it drives the vertical projection of rope sheave 9 and the depth direction approximate vertical of lift car 1, also winch 8 can be set in the finite space at lift car 1 back.At this, so-called slim winch 8 refers to that the direction of principal axis length of winch 8 drives the winch of rope sheave 9 diameters less than winch 8.In addition, the depth direction of so-called lift car 1 refers to the direction vertical with elevator cab door 2, and the back of so-called lift car 1 refers to when elevator lobby is looked sideways, be positioned at the part at lift car 1 rear.
In addition, in the present embodiment, counterbalanced weight 10 also is arranged on the back of lift car 1, and slim winch 8 is positioned at the top of this counterbalanced weight 10.That is, the vertical projection of the vertical projection of winch 8 and counterbalanced weight 10 overlaps, so can save the spatial area of hoist trunk.In addition, because the vertical projection of winch 8 centers of gravity is near between the vertical projection of the pair of guide rails 15a of counterbalanced weight 10,15b, so can be by not shown load-carrying element, by the pair of guide rails 15a of counterbalanced weight 10, the load that 15b supports winch 8.
According to aforesaid present embodiment, owing to adopted 3: 1 winding method, the load of dangling is shared by three hoist cables, and the load of dangling that acts on deflection sheave reduces.In addition, can adopt the less winch of moment 8.That is,, has the effect of saving the hoist trunk space owing to can realize the miniaturization of lift appliance strength member and winch 8 etc.
In addition, through the second deflection sheave 7a, 7b are set, can regulate the position of winch 8.Specifically, the vertical projection that can winch 8 be arranged to make winch 8 is between the vertical projection of the vertical projection of lift car 1 and lifting channel wall 16.In addition, because the vertical projection of winch 8 do not overlap with the vertical projection of lift car 1, so lift car 1 can rise to higher position, its result can save the space on hoist trunk top.And, in the present embodiment, because counterbalanced weight 10 is arranged on the back of lift car 1 with winch 8, so be applicable to the situation of the left and right directions width dimensions that need enlarge lift car 1 as far as possible.
In addition; Lift car with hoist cable fixed part 3 and lift car with hanging wheel 6; Also can be arranged near the top of lift car 1 side, but as present embodiment, lift car is arranged on hoist cable fixed part 3 near the bottom of lift car 1, then when being used to absorb the adjustment operation of the elongation that is produced after hoist cable 5 long-term uses; Can in the elevator hole of the foot of hoist trunk, regulate operation, therefore have the effect that improves maintenance efficient.
In addition; Also can adopt and the present embodiment diverse ways; Lift car is arranged on the floor downside of lift car 1 with hoist cable fixed part 3; Make it roughly towards horizontal direction, and pass through the deflection sheave of the end, lower right side that is arranged on lift car 1 floor, extend towards the direction of the first deflection sheave 4a.Like this, even when needs increase lift car with the length of hoist cable fixed part 3, also can shorten the up and down size of lift car with hoist cable fixed part 3, thus the size up and down that can dwindle the member of lift car 1 floor downside.
Figure three is winding methods of the lift appliance hoist cable 5 of expression second embodiment of the invention.Figure four is the top plan view of the hoist trunk in the present embodiment lift appliance.The structure of the lift appliance of the present embodiment structure with first embodiment basically is identical, so stress the difference with first embodiment at this.
In the present embodiment, the setting angle of the second deflection sheave 7a, 7b, winch 8 and counterbalanced weight 10 that the position is set is different with first embodiment.Specifically; At first; The vertical projection of the first deflection sheave 4a, 4b is configured to mutual approximate vertical with driving rope sheave 9, the counterbalanced weight of hanging wheel 6, the second deflection sheave 7b, winch 8 with the vertical projection of hanging wheel 11 and the 3rd deflection sheave 12 with lift car.In addition, the vertical projection of the second deflection sheave 7a is configured to tilt with respect to the vertical projection of the first deflection sheave 4a, 4b, and with respect to the vertical projection inclination of lift car with hanging wheel 6 etc.In addition, winch 8 and counterbalanced weight 10 are set at the left side of lift car 1.At this, the left side of so-called lift car 1 refers to when elevator lobby is looked sideways, be positioned at the part in lift car 1 left side.
In addition, because winch 8 adopts slim winch, so, also can in the finite space of the left side of lift car 1, winch 8 be set even it drives the vertical projection of rope sheave 9 and the depth direction almost parallel of lift car 1.
According to present embodiment, can realize the effect identical basically with first embodiment.And, in the present embodiment, because winch 8 is arranged on the left side of lift car 1 with counterbalanced weight 10, so be applicable to need be with the situation that is sized to big as far as possible size of lift car 1 depth direction.In addition, in the present embodiment, winch 8 grades are arranged on the left side of lift car 1, but can certainly winch 8 grades be arranged on the right side of lift car 1.
Figure five is figure of winding method of the lift appliance hoist cable 5 of expression third embodiment of the invention.Figure six is the top plan view of the hoist trunk in the present embodiment lift appliance.The structure of the lift appliance of the present embodiment structure with first embodiment basically is identical, so stress the difference with second embodiment at this.
At first, in the present embodiment, have the second deflection sheave 7a, 7b, the 7c that are made up of three deflection sheavies, wherein, the second deflection sheave 7a and lift car be with hanging wheel 6 almost parallels, almost parallels such as the second deflection sheave 7b, 7c and driving rope sheave 9.And winch 8 is arranged on the bottom of hoist trunk, and this winch 8 and counterbalanced weight 10 all are positioned at the back of lift car 1.Wherein the vertical projection of winch 8 does not overlap with the vertical projection of counterbalanced weight 10.
Below the winding method of the hoist cable 5 of the lift appliance of present embodiment is described.At first, hoist cable 5 extends through the second deflection sheave 7a towards the top after lift car turns to hanging wheel 6, after the second deflection sheave 7a turns to, extends towards the below and is wrapped on the driving rope sheave 9 of winch 8.Afterwards, this hoist cable 5 extends the arrival second deflection sheave 7b towards the top, and another second deflection sheave of approximate horizontal extension arrival 7c, after the second deflection sheave 7c turns to, extends towards the below.Afterwards, this hoist cable 5 further turns to hanging wheel 11 and the extension towards the top through counterbalanced weight, arrives counterbalanceds weight with hoist cable fixed part 13 through the 3rd deflection sheave 12 backs, and is fixed on this hoist cable fixed part 13.
According to present embodiment, can realize the effect identical basically with first embodiment.And, in the present embodiment, through utilizing the space on counterbalanced weight 10 next doors, can winch 8 be arranged on the advantage on the optional position of hoist trunk top to bottom so have.In addition, in the present embodiment, winch 8 is arranged on the back of lift car 1 with counterbalanced weight 10, but also can resemble second embodiment left side that winch 8 and counterbalanced weight 10 is arranged on lift car 1.
Figure seven is figure of winding method of the lift appliance hoist cable 5 of expression fourth embodiment of the invention.Figure eight is the top plan view of the hoist trunk in the present embodiment lift appliance.The structure of the structure of the lift appliance of present embodiment and first embodiment is close, so stress the difference with first embodiment at this.
In the present embodiment, first lift car is arranged on the lift car 1 with hanging wheel 20 with the hanging wheel 19 and second lift car, and first counterbalanced weight is arranged on the top of counterbalanced weight 10 with hanging wheel 22 with the hanging wheel 21 and second counterbalanced weight.That is, in the present embodiment, adopt 4: 1 canoe suspention lift car 1 and counterbalanced weight 10.At this, first lift car with hanging wheel 19 be configured to the left surface of lift car 1 relatively to, second lift car with hanging wheel 20 be configured to the right flank relative with this left surface relatively to.
Concrete hoist cable canoe is shown in figure seven.At first; One end of hoist cable 5 is fixed on the hoist cable fixed part 17 on hoist trunk top; And the other end of hoist cable 5 extends through second lift car with hanging wheel 20 from this hoist cable fixed part 17 towards the below, after second lift car turns to hanging wheel 20, extends through the first deflection sheave 4a towards the top, arrives the first deflection sheave 4b from the first deflection sheave 4a horizontal-extending afterwards;, the first deflection sheave 4b extends through first lift car with hanging wheel 19 after turning to towards the below; After first lift car turns to hanging wheel 19, extend, be wrapped in the top of the second deflection sheave 7a, and further be wrapped in the bottom of the second deflection sheave 7b towards the top; Be wrapped in afterwards on the driving rope sheave 9 of winch 8; Extend through first counterbalanced weight with hanging wheel 21 towards the below through driving after rope sheave 9 turns to, after first counterbalanced weight turns to hanging wheel 21, extend, turn to the back to extend through the 3rd deflection sheave 12 afterwards towards the below towards the top; And turn to the back to extend towards the top through the second counterbalanced weight hanging wheel 22, arrive the hoist cable fixed part 18 on hoist trunk top afterwards and be fixed on this hoist cable fixed part 18.
According to present embodiment, can realize the effect identical basically with first embodiment.And; In the present embodiment; Owing to adopt 4: 1 canoe suspention lift car 1 and counterbalanced weight 10; So compare, can further make the miniaturization such as strength member and winch 8 of lift appliance, and can further effectively utilize the space of hoist trunk with 3: 1 the canoe of first embodiment etc.
In addition, in the present embodiment, winch 8 is arranged on the back of lift car 1 with counterbalanced weight 10, but also can change the setting of the second deflection sheave 7a, 7b, winch 8 grades is arranged on the sidepiece of lift car 1.Promptly; As above-mentioned embodiment; Through the method to set up of second deflection sheave is studied; Can be according to the shape of hoist trunk and the shape of lift car 1, winch 8 and counterbalanced weight 10 are arranged on the optional position at sidepiece and back of lift car 1, thereby can select to arrange the equipment method to set up of compactness.