CN105398919A - Traction structure of lower-driven type counterweight-free elevator - Google Patents
Traction structure of lower-driven type counterweight-free elevator Download PDFInfo
- Publication number
- CN105398919A CN105398919A CN201410458515.6A CN201410458515A CN105398919A CN 105398919 A CN105398919 A CN 105398919A CN 201410458515 A CN201410458515 A CN 201410458515A CN 105398919 A CN105398919 A CN 105398919A
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- diversion sheave
- hoistway
- sedan
- chair
- winding wheel
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Abstract
The invention discloses a traction structure of a lower-driven type counterweight-free elevator. An elevator car of the traction structure is located in a hoistway, and a hoistway top end connecting device is arranged on the top of the hoistway. A rope winding wheel and a tractor are arranged at the bottom of the hoistway through supports and located on the two sides of the elevator car respectively. Hoistway bottom diversion sheaves are arranged at the bottom of the hoistway and located between the rope winding wheel and the tractor. Hoistway top diversion sheaves are arranged on the top of the hoistway. Car top diversion sheaves and car bottom diversion sheaves are arranged at the top and the bottom of the elevator car respectively. A ratchet wheel and the rope winding wheel are connected coaxially. A pawl is hinged to the support of the rope winding wheel and used for positioning the ratchet wheel. The two ends of a traction steel wire rope are connected with the hoistway top end connecting device and the rope winding wheel respectively, and the traction steel wire rope sequentially winds across the car top diversion sheaves, the hoistway top diversion sheaves, the tractor, the car bottom diversion sheaves and the hoistway bottom diversion sheaves. Through the traction structure, the defects of a traditional elevator traction mode are overcome, and the utilization rate of the elevator hoistway is increased; the traction steel wire rope does not need to be cut after extending, and therefore the maintaining efficiency of the elevator is effectively improved.
Description
Technical field
The present invention relates to the tracting structure of the driving elevator without counterweight in a kind of bottom.
Background technology
The traction steel-cable two ends of usual traction elevator connect car and counterweight respectively, are driven and make car increase or decline, because the counterweight of traction elevator need be arranged in hoistway, greatly reduce the degree of utilization of hoistway by towing machine.As shown in Figure 1, the car 1 in hoistway 7 and counterweight 2 are respectively equipped with car diversion sheave 11 and counterweight diversion sheave 21, and traction steel-cable 5 two ends are fixed through terminating set 6 and successively through car diversion sheave 11, towing machine 3 and counterweight diversion sheave 21, realize the lifting of car 1.Traction elevator is after operation a period of time, traction steel-cable can extend, cutting operation need be carried out to traction steel-cable when elongation has influence on the normal operation of elevator, the cable wire end of end needs again to make, namely terminating set needs dismounting again, greatly, cost is high and construction is inconvenient, reduces the efficiency of elevator maintenance for its quantities and labour intensity.
Summary of the invention
Technical matters to be solved by this invention is to provide the tracting structure of the driving elevator without counterweight in a kind of bottom, this tracting structure overcomes the defect of traditional elevator draw mode, improve the degree of utilization of elevator hoistways, without the need to cutting operation after traction steel-cable can extend, effectively improve the maintenance efficiency of elevator.
For solving the problems of the technologies described above, the tracting structure of the driving elevator without counterweight in bottom of the present invention comprises hoistway, car, traction steel-cable, well top connection device and towing machine, described car is positioned at described hoistway, and described well top connection device is located at described well headroom, and this tracting structure also comprises well top diversion sheave, shaft bottom diversion sheave, sedan-chair top diversion sheave, diversion sheave at the bottom of sedan-chair, rope-winding wheel, ratchet and pawl, described rope-winding wheel and towing machine are set up in described shaft bottom by propping up and lay respectively at described car both sides, described shaft bottom diversion sheave is located at described shaft bottom and between described rope-winding wheel and towing machine, described well top diversion sheave is located at described well headroom, at the bottom of described sedan-chair top diversion sheave and sedan-chair, diversion sheave is located at described car top and bottom respectively, described ratchet is coaxially connected with described rope-winding wheel, described ratchet is articulated with the support of described rope-winding wheel and locates described ratchet, and described traction steel-cable two ends connect described well top connection device and rope-winding wheel and respectively successively through described sedan-chair top diversion sheave, well top diversion sheave, towing machine, diversion sheave at the bottom of sedan-chair and shaft bottom diversion sheave.
Further, described traction steel-cable penetrates in the support of described car guide rail.
Further, at the bottom of described well top diversion sheave, shaft bottom diversion sheave, sedan-chair top diversion sheave, sedan-chair, diversion sheave is multiple, after described traction steel-cable artesian well top connection device wears diversion sheave, shaft bottom diversion sheave at the bottom of sedan-chair top diversion sheave, well top diversion sheave, towing machine, sedan-chair successively, finally connect described rope-winding wheel from diversion sheave at the bottom of sedan-chair.
Because the tracting structure of the driving elevator without counterweight in bottom of the present invention have employed technique scheme, namely the car of this tracting structure is positioned at hoistway, well top connection device is located at well headroom, rope-winding wheel and towing machine are set up in shaft bottom by propping up and lay respectively at car both sides, shaft bottom diversion sheave is located at shaft bottom and between rope-winding wheel and towing machine, well top diversion sheave is located at well headroom, at the bottom of sedan-chair top diversion sheave and sedan-chair, diversion sheave is located at car top and bottom respectively, ratchet is coaxially connected with rope-winding wheel, ratchet is articulated with the support of rope-winding wheel and positioning ratchet wheel, traction steel-cable two ends respectively connecting well top connection device and rope-winding wheel and successively through sedan-chair top diversion sheave, well top diversion sheave, towing machine, diversion sheave at the bottom of sedan-chair and shaft bottom diversion sheave.This tracting structure overcomes the defect of traditional elevator draw mode, improves the degree of utilization of elevator hoistways, without the need to cutting operation after traction steel-cable can extend, effectively improves the maintenance efficiency of elevator.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is the tracting structure of traditional traction elevator;
Fig. 2 is the schematic diagram of this tracting structure;
Fig. 3 is the schematic diagram of rope-winding wheel and ratchet in this tracting structure;
Fig. 4 is the schematic diagram of this tracting structure car roof.
Detailed description of the invention
As shown in Figures 2 and 3, the tracting structure of the driving elevator without counterweight in bottom of the present invention comprises hoistway 7, car 1, traction steel-cable 5, well top connection device 6 and towing machine 12, described car 1 is positioned at described hoistway 7, described well top connection device 6 is located at described hoistway 7 top, this tracting structure also comprises well top diversion sheave 9, shaft bottom diversion sheave 17, sedan-chair top diversion sheave 8, diversion sheave 10 at the bottom of sedan-chair, rope-winding wheel 13, ratchet 14 and ratchet 15, described rope-winding wheel 13 and towing machine 12 to be located at bottom described hoistway 7 by support 16 and to be laid respectively at described car 1 both sides, described shaft bottom diversion sheave 17 to be located at bottom described hoistway 7 and between described rope-winding wheel 13 and towing machine 12, described well top diversion sheave 9 is located at described hoistway 7 top, at the bottom of described sedan-chair top diversion sheave 8 and sedan-chair, diversion sheave 10 is located at described car 1 top and bottom respectively, described ratchet 14 is coaxially connected with described rope-winding wheel 13, described ratchet 15 is articulated with the support 16 of described rope-winding wheel 13 and locates described ratchet 14, described traction steel-cable 5 two ends connect described well top connection device 6 and rope-winding wheel 13 and respectively successively through described sedan-chair top diversion sheave 8, well top diversion sheave 9, towing machine 12, diversion sheave 10 at the bottom of sedan-chair and shaft bottom diversion sheave 17.·
As shown in Figure 4, further, described traction steel-cable 5 penetrates in the support 18 of described car guide rail.When traction steel-cable is configured in car central authorities, in order to avoid the interference with car guide rail, traction steel-cable can be passed in the middle of rail brackets.
As shown in Figure 2, further, in this structure, at the bottom of well top diversion sheave 9, shaft bottom diversion sheave 17, sedan-chair top diversion sheave 8, sedan-chair, diversion sheave 10 can adopt multiple, after described traction steel-cable 5 artesian well top connection device 6 wears diversion sheave 10, shaft bottom diversion sheave 17 at the bottom of sedan-chair top diversion sheave 8, well top diversion sheave 9, towing machine 12, sedan-chair successively, finally connect described rope-winding wheel 13 from diversion sheave 10 at the bottom of sedan-chair.
In this tracting structure, in order to reduce the load of towing machine, traction steel-cable can be hung than increasing to 6:1 ~ 10:1, thus the load that towing machine is born reduces, and guarantees the lifting of car; In this tracting structure, the quantity of each diversion sheave and the suspension of traction steel-cable are than relevant, hang also more than the quantity of large diversion sheave, and when hanging than being fixing for the quantity of each diversion sheave during 6:1 ~ 10:1, its arrangement as shown in Figure 2; Traction steel-cable is under the driving of towing machine, car lifting is driven through each diversion sheave, traction steel-cable is wound in rope-winding wheel, the counterweight of existing elevator is cancelled, the area of elevator hoistways shared by building is reduced, increases the degree of utilization of building, improve hoistway area utilization, the space of Elevator weight sensor can be saved, in same hoistway, increase about 20% than the car area of existing elevator.This tracting structure installs the rope-winding wheel with ratchet in hoistway, after elevator runs when traction rope stretch, without the need to cutting traction steel-cable, only need the position by ratchet adjustment ratchet, namely rope-winding wheel can adjust car and be in correct position, thus without the need to dismounting well top connection device, greatly facilitate the upkeep operation of elevator.
Claims (3)
1. a tracting structure for the driving elevator without counterweight in bottom, comprises hoistway, car, traction steel-cable, well top connection device and towing machine, described car is positioned at described hoistway, and described well top connection device is located at described well headroom, it is characterized in that: this tracting structure also comprises well top diversion sheave, shaft bottom diversion sheave, sedan-chair top diversion sheave, diversion sheave at the bottom of sedan-chair, rope-winding wheel, ratchet and pawl, described rope-winding wheel and towing machine are set up in described shaft bottom by propping up and lay respectively at described car both sides, described shaft bottom diversion sheave is located at described shaft bottom and between described rope-winding wheel and towing machine, described well top diversion sheave is located at described well headroom, at the bottom of described sedan-chair top diversion sheave and sedan-chair, diversion sheave is located at described car top and bottom respectively, described ratchet is coaxially connected with described rope-winding wheel, described ratchet is articulated with the support of described rope-winding wheel and locates described ratchet, and described traction steel-cable two ends connect described well top connection device and rope-winding wheel and respectively successively through described sedan-chair top diversion sheave, well top diversion sheave, towing machine, diversion sheave at the bottom of sedan-chair and shaft bottom diversion sheave.
2. the tracting structure of the driving elevator without counterweight in bottom according to claim 1, is characterized in that: described traction steel-cable penetrates in the support of described car guide rail.
3. the tracting structure of the driving elevator without counterweight in bottom according to claim 1, it is characterized in that: at the bottom of described well top diversion sheave, shaft bottom diversion sheave, sedan-chair top diversion sheave, sedan-chair, diversion sheave is multiple, after described traction steel-cable artesian well top connection device wears diversion sheave, shaft bottom diversion sheave at the bottom of sedan-chair top diversion sheave, well top diversion sheave, towing machine, sedan-chair successively, finally connect described rope-winding wheel from diversion sheave at the bottom of sedan-chair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458515.6A CN105398919A (en) | 2014-09-11 | 2014-09-11 | Traction structure of lower-driven type counterweight-free elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458515.6A CN105398919A (en) | 2014-09-11 | 2014-09-11 | Traction structure of lower-driven type counterweight-free elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105398919A true CN105398919A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410458515.6A Pending CN105398919A (en) | 2014-09-11 | 2014-09-11 | Traction structure of lower-driven type counterweight-free elevator |
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| Country | Link |
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| CN (1) | CN105398919A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276521A (en) * | 2016-10-13 | 2017-01-04 | 北方民族大学 | Elevator lifting device and elevator |
| CN108861957A (en) * | 2017-05-12 | 2018-11-23 | 奥的斯电梯公司 | A kind of elevator device that rope is promoted |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193017B1 (en) * | 1996-08-14 | 2001-02-27 | Blain Hydraulics Gmbh | Pulley-driven elevator |
| CN1735552A (en) * | 2002-11-04 | 2006-02-15 | 通力股份公司 | Tractor sheave elevator without counterweight |
| CN1993286A (en) * | 2004-07-30 | 2007-07-04 | 通力股份公司 | Safety brake for elevator without counterweight |
| CN201092501Y (en) * | 2007-06-13 | 2008-07-30 | 张卫华 | Elevator traction cable wire tension automatic balancer |
| CN101535164A (en) * | 2006-11-10 | 2009-09-16 | 通力股份公司 | Traction sheave elevator without counterweight |
| CN102408052A (en) * | 2010-09-26 | 2012-04-11 | 安徽中菱电梯有限公司 | Counter-weight-free traction type passenger elevator |
| CN202542740U (en) * | 2012-03-20 | 2012-11-21 | 江苏正兴建设机械有限公司 | Integration device for rope-tightening and cable-breaking protection of trolley of tower crane |
-
2014
- 2014-09-11 CN CN201410458515.6A patent/CN105398919A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193017B1 (en) * | 1996-08-14 | 2001-02-27 | Blain Hydraulics Gmbh | Pulley-driven elevator |
| CN1735552A (en) * | 2002-11-04 | 2006-02-15 | 通力股份公司 | Tractor sheave elevator without counterweight |
| CN1993286A (en) * | 2004-07-30 | 2007-07-04 | 通力股份公司 | Safety brake for elevator without counterweight |
| CN101535164A (en) * | 2006-11-10 | 2009-09-16 | 通力股份公司 | Traction sheave elevator without counterweight |
| CN201092501Y (en) * | 2007-06-13 | 2008-07-30 | 张卫华 | Elevator traction cable wire tension automatic balancer |
| CN102408052A (en) * | 2010-09-26 | 2012-04-11 | 安徽中菱电梯有限公司 | Counter-weight-free traction type passenger elevator |
| CN202542740U (en) * | 2012-03-20 | 2012-11-21 | 江苏正兴建设机械有限公司 | Integration device for rope-tightening and cable-breaking protection of trolley of tower crane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276521A (en) * | 2016-10-13 | 2017-01-04 | 北方民族大学 | Elevator lifting device and elevator |
| CN106276521B (en) * | 2016-10-13 | 2019-06-25 | 北方民族大学 | Elevator lifting device and elevator |
| CN108861957A (en) * | 2017-05-12 | 2018-11-23 | 奥的斯电梯公司 | A kind of elevator device that rope is promoted |
| CN108861957B (en) * | 2017-05-12 | 2021-10-29 | 奥的斯电梯公司 | Elevator system lifted by rope |
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Application publication date: 20160316 |
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