CN109704178A - A kind of single container friction winding system between adjacent hoistway - Google Patents

A kind of single container friction winding system between adjacent hoistway Download PDF

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Publication number
CN109704178A
CN109704178A CN201811527216.8A CN201811527216A CN109704178A CN 109704178 A CN109704178 A CN 109704178A CN 201811527216 A CN201811527216 A CN 201811527216A CN 109704178 A CN109704178 A CN 109704178A
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CN
China
Prior art keywords
sheave
double wrap
friction roll
friction
rope groove
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CN201811527216.8A
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Chinese (zh)
Inventor
曹国华
李远东
朱真才
花纯利
周公博
汤裕
卢昊
刘善增
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN201811527216.8A priority Critical patent/CN109704178A/en
Publication of CN109704178A publication Critical patent/CN109704178A/en
Pending legal-status Critical Current

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Abstract

A kind of single container friction winding system between adjacent hoistway, including the right container and left container being respectively arranged in two neighboring hoistway, and boom hoist cable, head sheave and friction roll, head sheave is made of head sheave I and head sheave II, the two is respectively arranged above two hoistways and in sustained height, and friction roll is arranged on the axis of symmetry of head sheave I and head sheave II;It further include double wrap sheave I, double wrap sheave II and double wrap sheave III, or double wrap sheave I and double wrap sheave III, or double wrap sheave II, wherein double wrap sheave I is arranged on the right side of friction roll and the line of the two axis and vertical line have angle [alpha], 0 °≤α≤90 °, double wrap sheave III and double wrap sheave I are symmetrically distributed in the left side of friction roll, and double wrap sheave II is located at immediately below friction roll;Boom hoist cable successively bypasses head sheave, friction roll and double wrap sheave and connect with container.The present invention can improve the tractive force, antiskiding factor and operation stability of friction winding, can efficiently use space, install convenient.

Description

A kind of single container friction winding system between adjacent hoistway
Technical field
The present invention relates to the single container friction winding systems between a kind of adjacent hoistway, mention suitable for the friction between adjacent hoistway It rises.
Background technique
Since hoistway section is small, promoted in individual well road using single container, between adjacent hoistway, conventional method is to adopt With two sets of lifting systems, there are problems that land occupation is big, energy consumption is high.And usually winding hoisting system, the wirerope meeting on roller It is wound in plurality of layers, the wirerope for winding multilayer is highly susceptible to destroy, and end load cannot be excessive.Another kind is that friction mentions Rise, the frictional force lifting heavy between boom hoist cable and roller, this hoisting way in deep pit mining using more, But the balance that tail rope carries out underloading side tension is generally required, and its carrying capacity is limited by threshold friction tractive force, and passed The cornerite that encloses of the friction winding in mine machine of system again limits its threshold friction tractive force for 180 °.
Summary of the invention
In order to overcome the above-mentioned deficiency of the prior art, the present invention provides the single container friction winding system between a kind of adjacent hoistway System, not only land occupation, inertia and energy consumption are all small, moreover it is possible to improve the tractive force of friction winding, improve antiskiding factor, improve operation Stability, install convenient.
A kind of technical solution that the present invention solves the use of its technical problem is: the single container friction between a kind of adjacent hoistway mentions The system of liter, including the right container and left container that are respectively arranged in two neighboring hoistway and boom hoist cable, head sheave and friction Roller, the head sheave are made of head sheave I and head sheave II, and the two is respectively arranged above two hoistways and is in sustained height, Friction roll is arranged on the axis of symmetry of head sheave I and head sheave II;It further include double wrap sheave I, double wrap sheave II and double wrap sheave III, after-combustion Wheel I is arranged on the right side of friction roll and the line of the two axis and vertical line have an angle [alpha], and 0 °≤α≤90 °;Double wrap sheave III with Double wrap sheave I is symmetrically distributed in the left side of friction roll;Double wrap sheave II is located at immediately below friction roll;The connection of boom hoist cable one end Right container, after the other end is bypassed from the upper surface of head sheave I, successively vertically counted inwards by friction roll by paper first The left side of rope groove bypasses double wrap sheave I down, passes through second rope groove of friction roll once more, further around to the second of double wrap sheave I A rope groove, and so on, n times, the n-th+2, rubbed roller ropes are recycled between the rope groove different from friction roll of double wrap sheave I Slot then lays out from its right further around II left side of double wrap sheave is crossed, again passes by the n-th+3 rope grooves of friction roll and lay out from the right Afterwards, it is recycled m times between double wrap sheave II and friction roll, the m+n+3 rope groove of rubbed roller, around the upper surface of double wrap sheave III Afterwards from laying out below, the m+n+4 rope groove of friction roll is again passed by, is recycled k times between double wrap sheave III and friction roll, It by the m+n+k+4 rope groove of friction roll, is laid out from the upper surface of head sheave II, finally connects left container, wherein n, m and k value It is 1~6.
Another technical solution is: the single container friction winding system between a kind of adjacent hoistway, including is respectively arranged at phase Right container and left container and boom hoist cable, head sheave and friction roll in adjacent two hoistways, the head sheave is by head sheave I It is formed with head sheave II, the two is respectively arranged above two hoistways and in sustained height, and friction roll is arranged in head sheave I and day On the axis of symmetry of wheel II;It further include double wrap sheave I and double wrap sheave III, double wrap sheave I is arranged on the right side of friction roll and the two axis Line and vertical line have angle [alpha], 0 °≤α≤90 °;Double wrap sheave III and double wrap sheave I are symmetrically distributed in a left side for friction roll Side;Boom hoist cable one end connects right container, after the other end is bypassed from the upper surface of head sheave I, successively by friction roll by paper The left side for first rope groove that face is vertically counted inwards bypasses double wrap sheave I down, once more by second rope of friction roll Slot, further around second rope groove to double wrap sheave I, and so on, n is recycled between the rope groove different from friction roll of double wrap sheave I It is secondary, friction roll is again passed by further around III top of double wrap sheave is crossed then from laying out below by the n-th+2 rope grooves of friction roll After the n-th+3 rope grooves of cylinder are laid out from the right, recycled m times between double wrap sheave III and friction roll, by friction roll m+n+3 A rope groove, lays out from the upper surface of head sheave II, finally connects left container, and wherein n, m value are 1~6.
Yet another technique scheme is: the single container friction winding system between a kind of adjacent hoistway, including is respectively arranged at phase Right container and left container and boom hoist cable, head sheave and friction roll in adjacent two hoistways, the head sheave is by head sheave I It is formed with head sheave II, the two is respectively arranged above two hoistways and in sustained height, and friction roll is arranged in head sheave I and day On the axis of symmetry of wheel II;It further include double wrap sheave II, double wrap sheave II is located at immediately below friction roll;The connection of boom hoist cable one end Right container after the other end is bypassed from the upper surface of head sheave I, is successively bypassed by the left side of first rope groove of friction roll multiple down Around wheel II, pass through second rope groove of friction roll once more, further around second rope groove to double wrap sheave II, double wrap sheave II with N times are recycled between the different rope grooves of friction roll, after the n-th+2 rope grooves of friction roll are laid out from the right, from head sheave II It lays out above, finally connects left container, wherein n value is 1~6.
Compared with prior art, the single container friction winding system between a kind of adjacent hoistway of the invention, it is upper due to using The technical solution stated, the present invention can provide a kind of new lifting scheme for adjacent well road single container, solve existing adjacent Hoistway single container takes up an area the technical issues of big, inertia is big, energy consumption is high in being promoted;In addition to overcoming disadvantage mentioned above, the present invention is also used Friction winding increases loading capacity;The tractive force that can be improved friction winding using after-combustion mode improves anti-skid safety system Number;The downward arrangement of double wrap sheave helps to alleviate the vertical stress of friction roll axis, slows down bending force size, improves stable Property;Arrangement of the invention can also effectively utilize space, and arrangement is convenient.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the main view of an embodiment of the present invention, wherein including the cross-sectional view of adjacent two hoistway.
Fig. 2 and Fig. 3 is respectively Fig. 1 embodiment when right container rises and transfers, and boom hoist cable is along head sheave and after-combustion The operation schematic diagram of wheel.
Fig. 4 is the schematic diagram of friction roll and each double wrap sheave relative positional relationship in Fig. 1 embodiment.
Fig. 5 is the three dimensional structure diagram of Fig. 1 embodiment.
Fig. 6 is the main view of another embodiment of the invention, wherein including the cross-sectional view of adjacent two hoistway.
The main view of Fig. 7 another embodiment of the present invention, wherein including the cross-sectional view of adjacent two hoistway.
Wherein: 101,201,301, right container, 102,202,302, boom hoist cable, 103,203,303, head sheave I, 104, 204,304, friction roll, 105,205, double wrap sheave I, 106,306, double wrap sheave II, 107,207, double wrap sheave III, 108,208, 308, head sheave II, 109,209,309, left container, 110,210,310, pit shaft I, 111,211,311, pit shaft II.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people Member's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
Embodiment one
Referring to Fig. 1 and Fig. 5, a kind of single container friction winding system between adjacent hoistway, including it is respectively arranged at adjacent two Right container 101 and left container 109 and boom hoist cable 102, head sheave in a hoistway (i.e. pit shaft I 110 and pit shaft II 111) With friction roll 104, the head sheave is made of head sheave I 103 and head sheave II 108, and the two is respectively arranged above two hoistways And it is in sustained height, friction roll 104 is arranged on the axis of symmetry of head sheave I 103 and head sheave II 108;It further include double wrap sheave I 105, double wrap sheave II and double wrap sheave III 107, double wrap sheave I 105 are arranged in the right side of friction roll 104 and the line of the two axis and perpendicular Straight line have angle [alpha], 0 °≤α≤90 °;Double wrap sheave III 107 and double wrap sheave I 105 are symmetrically distributed in the left side of friction roll 104; Double wrap sheave II is located at one immediately below friction roll 104;102 one end of boom hoist cable connects right container 101, and the other end is from head sheave I After the upper surface of 103 bypass, successively by 104 first rope grooves of friction roll (by paper vertically inwards, be located at it is most marginal First is first rope groove, then be inwardly followed successively by second rope groove, third rope groove,, n-th of rope groove, (n+1)th rope groove, The n-th+2 rope grooves,, m+n+2 rope groove etc.) the left side bypass double wrap sheave I 105 down, pass through friction roll 104 once more Second rope groove, further around second rope groove to double wrap sheave I 105, and so on, in double wrap sheave I 105 and friction roll 104 Different rope grooves between recycle n times, rubbed 104 the n-th+2 rope grooves of roller, further around crossing II 106 left side of double wrap sheave then from it The right is laid out, and is again passed by after the n-th+3 rope grooves of friction roll 104 lay out from the right, in double wrap sheave II 106 and friction roll Recycled m times between 104, the m+n+3 rope groove of rubbed roller 104, around after the upper surface of double wrap sheave III 107 from below around Out, the m+n+4 rope groove of friction roll 104 is again passed by, is recycled k times between double wrap sheave III 107 and friction roll 104, is passed through The m+n+k+4 rope groove of friction roll is crossed, is laid out from the upper surface of head sheave II 108, finally connects left container 109, wherein n, m and k Value is 1~6.
The course of work:
As shown in Fig. 2, motor drives driving roller to rotate counterclockwise by shaft coupling when motor rotates counterclockwise, mention Wirerope 102 is risen successively along A → B → C → D → E → F → G → H → direction I, pile warp head sheave I 103, friction roll 104, after-combustion I 105, double wrap sheave II 106, double wrap sheave III 107, head sheave II 108 are taken turns, right container 101 is elevated, and left container 109 is transferred;Such as Fig. 3 It is shown, when motor rotates clockwise, motor by shaft coupling drive driving roller rotate clockwise, boom hoist cable 102 according to It is secondary along I → H → G → F → E → D → C → B → direction A, pile warp head sheave II 108, friction roll 104, double wrap sheave III 107, after-combustion II 106, double wrap sheave I 105, head sheave I 103 are taken turns, left container 109 is elevated, and right container 101 is transferred.
Embodiment two
Referring to Fig. 6, a kind of single container friction winding system between adjacent hoistway, including it is respectively arranged at two neighboring hoistway Right container 201 and left container 209 and boom hoist cable 202, head sheave and friction in (i.e. pit shaft I 210 and pit shaft II 211) Roller 204, the head sheave are made of head sheave I 203 and head sheave II 208, and the two is respectively arranged above two hoistways and is in Sustained height, friction roll 204 are arranged on the axis of symmetry of head sheave I 203 and head sheave II 208;It further include I 205 He of double wrap sheave Double wrap sheave III 207, double wrap sheave I 205 is arranged in 204 right side of friction roll and the line and vertical line of the two axis have angle [alpha], 0°≤α≤90°;Double wrap sheave III 207 and double wrap sheave I 205 are symmetrically distributed in the left side of friction roll 204;Boom hoist cable 202 One end connects right container 201, after the other end is bypassed from the upper surface of head sheave I 203, successively by friction roll 204 first ropes The left side of slot (with embodiment one) bypasses double wrap sheave I 205 down, passes through second rope groove of friction roll 204 once more, further around To second rope groove of double wrap sheave I 205, and so on, it is recycled between the rope groove different from friction roll 204 of double wrap sheave I 205 N times, rubbed 204 the n-th+2 rope grooves of roller are again passed by and are rubbed further around III 207 top of double wrap sheave is crossed then from laying out below After wiping the n-th+3 rope grooves of roller 204 are laid out from the right, recycled m times between double wrap sheave III 207 and friction roll 204, by rubbing The m+n+3 rope groove of roller 204 is wiped, is laid out from the upper surface of head sheave II 208, finally connects left container 209, wherein n, m value are equal It is 1~6.
The course of work: as shown in fig. 6, when motor rotates counterclockwise, motor drives the driving roller inverse time by shaft coupling Needle rotation, boom hoist cable 202 is successively along A → B → C → D → E → F → direction G → H, pile warp head sheave I 203, friction roll 204, double wrap sheave I 205, double wrap sheave III 207, head sheave II 208, right container 201 are elevated, and left container 209 is transferred;When motor up time When needle rotates, motor is driven by shaft coupling drives roller to rotate clockwise, the successively H → G → F → E → D of boom hoist cable 202 → C → B → the direction A, pile warp head sheave II 208, friction roll 204, double wrap sheave III 207, double wrap sheave I 205, head sheave I 203, Zuo Rong Device 209 is elevated, and right container 201 is transferred.
Embodiment three
Referring to Fig. 7, a kind of single container friction winding system between adjacent hoistway, including it is respectively arranged at two neighboring hoistway Right container 301 and left container 309 and boom hoist cable 302, head sheave and friction in (i.e. pit shaft I 310 and pit shaft II 311) Roller 304, the head sheave are made of head sheave I 303 and head sheave II 308, and the two is respectively arranged above two hoistways and is in Sustained height, friction roll 304 are arranged on the axis of symmetry of head sheave I 303 and head sheave II 308;It further include double wrap sheave II 306, Double wrap sheave II 306 is located at 304 underface certain position of friction roll;302 one end of boom hoist cable connects right container 301, separately After one end is bypassed from the upper surface of head sheave I 303, successively by the left side of 304 first rope grooves (ibid) of friction roll down around Double wrap sheave II 306 is crossed, passes through second rope groove of friction roll 304 once more, further around second rope to double wrap sheave II 306 Slot, and so on, n times are recycled between the rope groove different from friction roll 304 of double wrap sheave II 306, by friction roll 304 After n+2 rope groove is laid out from the right, laid out from the upper surface of head sheave II 308, finally connect left container 309, wherein n value be 1~ 6。
The course of work: as shown in fig. 7, when motor rotates counterclockwise, motor drives the driving roller inverse time by shaft coupling Needle rotation, boom hoist cable 302 is successively along A → B → C → D → direction E → F, pile warp head sheave I 303, friction roll 304, after-combustion II 306 and head sheave II 308 are taken turns, right container 301 is elevated, and left container 309 is transferred;When motor rotates clockwise, motor passes through Shaft coupling drives driving roller to rotate clockwise, the successively F → E → D → C → direction B → A of boom hoist cable 302, pile warp head sheave II 308, friction roll 304, double wrap sheave II 306 and head sheave I 303, left container 309 are elevated, and right container 301 is transferred.
As shown in figure 4, all double wrap sheaves as described in the examples I 105,205, double wrap sheave II 106,306 or double wrap sheave III 107, the shaft axis of 207 shaft axis and friction roll 304 projects that there are angles on vertical plane
Wherein, S is the spacing of two neighboring rope groove on friction roll 304, and D is the upper circle of 304 rope groove of friction roll winding Diameter after wirerope, i.e. the sum of hoisting drum rope groove diameter and twice of wirerope diameter.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to According to technical spirit of the invention, any simple modification and same variation are made to above embodiments, each fall within guarantor of the invention Within the scope of shield.

Claims (6)

1. the single container friction winding system between a kind of adjacent hoistway, including the right container being respectively arranged in two neighboring hoistway (101) and left container (109) and boom hoist cable (102), head sheave and friction roll (104), it is characterized in that: the day Wheel is made of head sheave I (103) and head sheave II (108), and the two is respectively arranged above two hoistways and in sustained height, friction Roller (104) is arranged on the axis of symmetry of head sheave I (103) and head sheave II (108);
It further include double wrap sheave I (105), double wrap sheave II (106) and double wrap sheave III (107), double wrap sheave I (105) is arranged in friction roll Cylinder (104) on the right side of and the two axis line and vertical line have angle [alpha], 0 °≤α≤90 °;Double wrap sheave III (107) and double wrap sheave I (105) are symmetrically distributed in the left side of friction roll (104);Double wrap sheave II (106) is located at immediately below friction roll (104);
Boom hoist cable (102) one end connects right container (101), after the other end is bypassed from the upper surface of head sheave I (103), successively The left side for first rope groove counted from outside to inside by friction roll (104) bypasses double wrap sheave I (105) down, passes through once more Second rope groove for crossing friction roll (104), further around second rope groove to double wrap sheave I (105), and so on, in double wrap sheave I (105) n times, rubbed (104) the n-th+2 rope grooves of roller, further around excessively multiple are recycled between the different rope grooves of friction roll (104) It then lays out, again passes by after the n-th+3 rope grooves of friction roll (104) lay out from the right from its right around II (106) left side of wheel, It is recycled m times between double wrap sheave II (106) and friction roll (104), the m+n+3 rope groove of rubbed roller (104), around multiple From laying out below behind the upper surface of III (107) of wheel, the m+n+4 rope groove of friction roll (104) is again passed by, in double wrap sheave III (107) it is recycled k times between friction roll (104), by the m+n+k+4 rope groove of friction roll (104), from head sheave II The upper surface of (108) it lays out, finally connects left container (109), wherein n, m and k value are 1~6.
2. the single container friction winding system between a kind of adjacent hoistway according to claim 1, it is characterized in that: described answers Shaft axis around I (105) of wheel, double wrap sheave II (106) and double wrap sheave III (107) is with the shaft axis of friction roll (104) perpendicular Facing projection directly, there are angles
Wherein, S is the spacing of two neighboring rope groove on friction roll (104);D is the upper circle of friction roll (104) rope groove winding Diameter after boom hoist cable (102), i.e. the sum of hoisting drum rope groove diameter and twice of wirerope diameter.
3. the single container friction winding system between a kind of adjacent hoistway, including the right container being respectively arranged in two neighboring hoistway (201) and left container (209) and boom hoist cable (202), head sheave and friction roll (204), it is characterized in that: the day Wheel is made of head sheave I (203) and head sheave II (208), and the two is respectively arranged above two hoistways and in sustained height, friction Roller (204) is arranged on the axis of symmetry of head sheave I (203) and head sheave II (208);
It further include double wrap sheave I (205) and double wrap sheave III (207), double wrap sheave I (205) is arranged in friction roll (204) right side and two The line of person's axis and vertical line have an angle [alpha], and 0 °≤α≤90 °;Double wrap sheave III (207) and double wrap sheave I (205) symmetrically divide Left side of the cloth in friction roll (204);
Boom hoist cable (202) one end connects right container (201), after the other end is bypassed from the upper surface of head sheave I (203), successively The left side for first rope groove counted from outside to inside by friction roll (204) bypasses double wrap sheave I (205) down, passes through once more Second rope groove for crossing friction roll (204), further around second rope groove to double wrap sheave I (205), and so on, in double wrap sheave I (205) n times, rubbed (204) the n-th+2 rope grooves of roller, further around excessively multiple are recycled between the different rope grooves of friction roll (204) Around III (207) top of wheel then from laying out below, again pass by after the n-th+3 rope grooves of friction roll (204) lay out from the right, It is recycled m times between double wrap sheave III (207) and friction roll (204), by the m+n+3 rope groove of friction roll (204), from day The upper surface of II (208) of wheel are laid out, and finally connect left container (209), wherein n, m value are 1~6.
4. the single container friction winding system between a kind of adjacent hoistway according to claim 3, it is characterized in that: described answers Shaft axis around I (205) of wheel and double wrap sheave III (207) projects presence with the shaft axis of friction roll (204) on vertical plane Angle
Wherein, S is the spacing of two neighboring rope groove on friction roll (204);D is the upper circle of friction roll (204) rope groove winding Diameter after boom hoist cable (202), i.e. the sum of hoisting drum rope groove diameter and twice of wirerope diameter.
5. the single container friction winding system between a kind of adjacent hoistway, including the right container being respectively arranged in two neighboring hoistway (301) and left container (309) and boom hoist cable (302), head sheave and friction roll (304), it is characterized in that: the day Wheel is made of head sheave I (303) and head sheave II (308), and the two is respectively arranged above two hoistways and in sustained height, friction Roller (304) is arranged on the axis of symmetry of head sheave I (303) and head sheave II (308);
It further include double wrap sheave II (306), double wrap sheave II (306) is located at immediately below friction roll (304);
Boom hoist cable (302) one end connects right container (301), after the other end is bypassed from the upper surface of head sheave I (303), successively The left side for first rope groove vertically counted inwards by friction roll (304) by paper bypasses double wrap sheave II (306) down, again Second rope groove for again passing by friction roll (304), further around second rope groove to double wrap sheave II (306), and so on, N times are recycled between double wrap sheave II (306) and the different rope grooves of friction roll (304), are restricted by friction roll (304) the n-th+2 It after slot is laid out from the right, is laid out from the upper surface of head sheave II (308), finally connects left container (309), wherein n value is 1~6.
6. the single container friction winding system between a kind of adjacent hoistway according to claim 5, it is characterized in that: described answers Project that there are angles on vertical plane around the shaft axis of II (306) of wheel and the shaft axis of friction roll (304)
Wherein, S is the spacing of two neighboring rope groove on friction roll (304);D is the upper circle of friction roll (304) rope groove winding Diameter after boom hoist cable (302), i.e. the sum of hoisting drum rope groove diameter and twice of wirerope diameter.
CN201811527216.8A 2018-12-13 2018-12-13 A kind of single container friction winding system between adjacent hoistway Pending CN109704178A (en)

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Publication number Priority date Publication date Assignee Title
US4842101A (en) * 1988-02-16 1989-06-27 Westinghouse Electric Corp. Elevator system
CN1086788A (en) * 1992-07-07 1994-05-18 科尼电梯有限公司 Traction sheave elevator
JP2004026424A (en) * 2002-06-26 2004-01-29 Toshiba Elevator Co Ltd Elevator facility
CN101062744A (en) * 2006-04-25 2007-10-31 株式会社日立制作所 Elevator equipment
JP4292157B2 (en) * 2002-11-18 2009-07-08 三菱電機株式会社 Elevator equipment
JP2012020820A (en) * 2010-07-13 2012-02-02 Toshiba Elevator Co Ltd Elevator
CN103130070A (en) * 2011-11-22 2013-06-05 宋吉生 Elevator without counterweight and with double cages
CN103264946A (en) * 2013-04-07 2013-08-28 三洋电梯(珠海)有限公司 Elevator without counterweight device
CN107445086A (en) * 2017-09-15 2017-12-08 上海振华重工(集团)股份有限公司 One kind friction two-fold cylinder
CN108059056A (en) * 2017-12-19 2018-05-22 中国矿业大学 A kind of extra deep shaft twin-roll drives big load friction winding system and method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842101A (en) * 1988-02-16 1989-06-27 Westinghouse Electric Corp. Elevator system
CN1086788A (en) * 1992-07-07 1994-05-18 科尼电梯有限公司 Traction sheave elevator
JP2004026424A (en) * 2002-06-26 2004-01-29 Toshiba Elevator Co Ltd Elevator facility
JP4292157B2 (en) * 2002-11-18 2009-07-08 三菱電機株式会社 Elevator equipment
CN101062744A (en) * 2006-04-25 2007-10-31 株式会社日立制作所 Elevator equipment
JP2012020820A (en) * 2010-07-13 2012-02-02 Toshiba Elevator Co Ltd Elevator
CN103130070A (en) * 2011-11-22 2013-06-05 宋吉生 Elevator without counterweight and with double cages
CN103264946A (en) * 2013-04-07 2013-08-28 三洋电梯(珠海)有限公司 Elevator without counterweight device
CN107445086A (en) * 2017-09-15 2017-12-08 上海振华重工(集团)股份有限公司 One kind friction two-fold cylinder
CN108059056A (en) * 2017-12-19 2018-05-22 中国矿业大学 A kind of extra deep shaft twin-roll drives big load friction winding system and method

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Application publication date: 20190503