CN201195653Y - Freedom suspension type lifting and lowering mechanism - Google Patents
Freedom suspension type lifting and lowering mechanism Download PDFInfo
- Publication number
- CN201195653Y CN201195653Y CNU2008200317933U CN200820031793U CN201195653Y CN 201195653 Y CN201195653 Y CN 201195653Y CN U2008200317933 U CNU2008200317933 U CN U2008200317933U CN 200820031793 U CN200820031793 U CN 200820031793U CN 201195653 Y CN201195653 Y CN 201195653Y
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- fixed beam
- steel rope
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Abstract
A free suspension type lifting device relates to wind-power generation lifting devices, which comprises a hanging cage lifting facility and an emergency salvage facility, wherein the hanging cage lifting facility comprises a hanging cage, an upper fixed beam, a pulley, a steel cable, a lower fixed beam, an elastic object, a weight device and a traction machine, and the emergency salvage facility comprises an over-speed governor steel cable, a secondary protecting steel cable, an over-speed governor guiding wheel which is arranged on the top of the hanging cage, an over-speed governor device and a rope gripper and a brake cable. The over-speed governor steel cable whose two ends are fixed passes through the over-speed governor guiding wheel and the over-speed governor device, and the secondary protecting steel cable whose two ends are fixed passes through the rope gripper. The lifting device simplifies structure, and slightly reduces manufacture cost. And the traction machine is arranged on the lower portion, which is convenient for maintaining. The gearless transfer is adopted, which avoids maintenance and oil, and prevents environment pollution. And personnel in the hanging cage can realize self rescue through the way of manually adjusting the rope gripper once going wrong.
Description
Technical field
The utility model relates to jacking system, specially refers to the jacking system that is used for wind-power electricity generation.
Background technology
Before the utility model proposes, wind-power electricity generation is as a kind of clean, environmental protection, and economic natural energy resources is included into the energy development strategic plan gradually.Along with reaching its maturity of wind generating technology, generator set progressively strengthens, and blower fan tower barrel is also more and more higher.The generating capacity of generator set has only number to pick up kilowatt hour, and blower fan tower barrel has only 50～60 meters high; Reach thousands of and even last megawatt hour and work as generating capacity, blower fan tower barrel can be up to about in the of 100 meters.Traditional cat ladder is but still used in work such as in-to-in daily attention of tower tube and maintenance, and not only labour intensity is big, and inefficiency, a lot of faults and problem can not overhaul and get rid of timely, influenced the service life of equipment, increased productive costs, also brought hidden danger to safety in production.
The utility model content
The technical problems to be solved in the utility model is to overcome deficiency of the prior art, and a kind of new free suspension type jacking system is provided, and can make blower fan tower barrel inside processing safety, and operation is quick, stable performance.
The utility model is to realize by following technical measures.The free suspension type jacking system comprises cage lift installation and automatic rescue facility.
Described cage lift installation facility comprises cage; Be fixed on the last fixed beam of hoistway upper end; Be arranged on the described pulley of going up on the fixed beam; Be arranged on the following fixed beam of lowest part; Be arranged on the elastic on the described fixed beam down; The weight-driven that is connected with described elastic; Be fixed on the towing machine on the described weight-driven; One end is fixed on described cage top, the steel rope of tying with described cage below Jin Gu Even behind described pulley of other end pile warp and the described towing machine.
Described automatic rescue facility comprises speed limiter wire rope and the second protection steel rope that is arranged at hoistway upper end and lowest part; Be arranged on the velocity limiter track adjusting wheel on the described cage top, overspeed preventer device and wire holder and the brake cable that described overspeed preventer device and described Jia Sheng Qi Even are tied.
Described speed limiter wire rope one end is fixed on described upward fixed beam, and behind described velocity limiter track adjusting wheel of pile warp and the described overspeed preventer device, the other end then is fixed on lowest part.
Described second protection steel rope one end is fixed on the described fixed beam of going up, and after passing described wire holder in the described automatic rescue facility, the other end then is fixed on lowest part.
Generally speaking, described towing machine, overspeed preventer device, wire holder etc. all can be buied on market.
When starting when the electrical motor acquired information, the described towing machine of motor drives rotates.Steel rope described in the described cage lift installation is wrapped on the towing machine from top to bottom, and draws described cage and move up by being arranged on the described described pulley of going up on the fixed beam.Otherwise, during motor drives towing machine backward rotation, be subjected to the traction of the gravity of described cage, originally be wrapped on the described towing machine steel rope gradually unwinding come out, described steel rope moves down in company with described cage by being arranged on the described described pulley of going up on the fixed beam.
Along with the continual operation and the variation of temperature of described cage lift installation, the total length of the steel rope described in the described cage lift installation can change to some extent, utilizes the elastic that is arranged on the described fixed beam down; Can keep the tensioning all the time of described steel rope vertical with the described weight-driven that described elastic is connected.When the total length of described steel rope increases and has crooked trend to cause cage steadily during lifting, the weight of described towing machine and transmitted the gravity that gets off by described steel rope described weight-driven is moved down, be connected thereby make with described weight-driven, be arranged on the described elastic generation compressive deformation on the described fixed beam down, elongated described steel rope, so steel rope is stretching and keep certain force of strain.Otherwise when the total length of described steel rope shortens to some extent and be subjected to excessive tension force in the cage moving process, after being arranged on the described elastic elongation on the described fixed beam down, the weight-driven that is attached thereto knot is moved up, towing machine also moves up thereupon together, and the total length of steel rope is kept to some extent and can not be subjected to bigger tension force.
In the normal operation process; described velocity limiter track adjusting wheel in the described automatic rescue facility; described overspeed preventer device and described wire holder all are fixed on the cage top; when described cage moves up and down; described velocity limiter track adjusting wheel; described overspeed preventer device moves up and down along described speed limiter wire rope, and described wire holder then moves up and down along described second protection steel rope, and they all move in the rated range of described overspeed preventer device.
Owing to be subjected to the interference of various factors, the speed of cage lifting is accelerated suddenly sometimes, if untimely taking measures very easily has an accident, even the fatal crass.Automatic rescue facility described in the utility model is exactly in time to stop quickening suddenly of cage rising or falling speed and setting.Velocity limiter track adjusting wheel described in the automatic rescue facility, described overspeed preventer device and described wire holder all are arranged on the cage top; Described speed limiter wire rope one end is fixed on the described upward fixed beam and behind described velocity limiter track adjusting wheel of pile warp and the described overspeed preventer device, and the other end then is fixed on lowest part.Described second protection steel rope one end is fixed on the described upward fixed beam and after passing described wire holder, the other end then is fixed on lowest part.In case when the speed that cage moves down is accelerated suddenly, be arranged on the velocity limiter track adjusting wheel on the described cage top, overspeed preventer device also can be accelerated the speed that moves down along described speed limiter wire rope.When the speed over range of described speed limiter wire rope in overspeed preventer device; brake cable on the described overspeed preventer device begins action; and then cause described wire holder that described second protection steel rope is tightly clamped; make it and to move; the speed that cage descends will be slack-off; and then stop to descend, avoid having an accident.
The utility model has saved counterweight after adopting abovementioned technology in the jacking system, simplified the supporting structure of towing machine, and manufacturing cost descends to some extent; Towing machine is arranged on the below, and it is comparatively convenient to keep in repair, and rescue is also more convenient; The employing gearless transmits, and freedom from repairs exempts to have prevented environmental pollution with oil; The syn emergency management and rescue, gearless transmits, and mechanical efficiency is higher.In case and et out of order, the personnel in the cage can adopt the tightness of manual shift wire holder, progressively slowly loosen wire holder, make cage progressively drop to ground lentamente, realization personnel save oneself.
Description of drawings
Accompanying drawing 1 is the scheme drawing of the utility model embodiment.
Accompanying drawing 2 is the enlarged diagrams at cage top.
Among the figure: 1 is cage, and 2 is last fixed beam, and 3 is pulley, and 4 is steel rope, and 5 are following fixed beam; 6 is elastic, and 7 is weight-driven, and 8 is towing machine, and 11 is the velocity limiter track adjusting wheel, and 12 is speed limiter wire rope; 13 is overspeed preventer device, and 14 is brake cable, and 15 is wire holder, and 16 is the second protection steel rope.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in the figure, a kind of jacking system comprises cage lift installation and automatic rescue facility.
The cage lift installation comprises cage 1; Be fixed on the last fixed beam 2 of hoistway upper end; Be arranged on the pulley 3 on the fixed beam 1; Steel rope 4; Be arranged on the following fixed beam 5 of lowest part; Be arranged on down the elastic 6 on the fixed beam 5; The weight-driven 7 that is connected with elastic 6; Be fixed on the towing machine 8 on the weight-driven 7; One end of steel rope 4 is fixed on cage 1 top, other end pile warp pulley 3 and towing machine 8 backs and cage 1 below Jin Gu Even knot.
The automatic rescue facility comprises speed limiter wire rope 12 and the second protection steel rope 16 that is arranged at hoistway upper end and lowest part; Be arranged on the velocity limiter track adjusting wheel 11 on cage 1 top, overspeed preventer device 13 and wire holder 15; And the brake cable 14 that overspeed preventer device 13 and wire holder 15 Even are tied.
After one end was fixed on the speed limiter wire rope 12 pile warp velocity limiter track adjusting wheels 11 and overspeed preventer device 13 of fixed beam 2, the other end then was fixed on lowest part.
After the second protection steel rope 16 that one end is fixed on fixed beam 2 passed wire holder 15, the other end then was fixed on lowest part.
When starting when towing machine 8 acquired informations, the steel rope 4 in the cage lift installation is wrapped on the towing machine 8 from top to bottom, and moves up by the described pulley 3 traction cages 1 that are arranged on the fixed beam 2.Otherwise, during towing machine 8 backward rotation, be subjected to the traction of the gravity of cage 1, originally be wrapped on the towing machine 8 steel rope 4 gradually unwinding come out, steel rope 4 moves down in company with cage 1 by the pulley 3 that is arranged on the fixed beam 2.
Continual operation and variation of temperature along with the cage lift installation, the total length of the steel rope 4 in the cage lift installation can change to some extent, utilizes the elastic 6 be arranged on down on the fixed beam 5 and can keep steel rope 4 tensioning all the time vertical with weight-driven 7 that elastic 6 is connected.When the total length of steel rope 4 increases and has crooked trend to cause cage 1 steadily during lifting, the weight of towing machine 8 reaches and by steel rope 4 gravity that gets off that transmits weight-driven 7 is moved down, be connected thereby make with weight-driven 7, compressive deformation takes place in the elastic 6 that is arranged on down on the fixed beam 5, elongated described steel rope 4, and then with steel rope 4 stretching and maintenance certain force of strain.Otherwise, when the total length of steel rope 4 shortens to some extent and be subjected to excessive tension force in cage 1 moving process, be arranged on down the elastic 6 meeting elongation strains on the fixed beam 5, and the weight-driven 7 that is attached thereto knot moves up, towing machine 8 also moves up thereupon together, and the total length of steel rope 4 is kept to some extent and can not be subjected to bigger tension force.
In the normal operation process; velocity limiter track adjusting wheel 11 in the described automatic rescue facility; overspeed preventer device 13 and wire holder 15 all are fixed on cage 1 top; when cage 1 moves up and down; velocity limiter track adjusting wheel 11; overspeed preventer device 13 moves up and down along speed limiter wire rope 12, and 15 of wire holders move up and down along second protection steel rope 16, and they all move in the rated range of overspeed preventer device 15.
Owing to be subjected to the interference of various factors, the speed that cage 1 moves is accelerated suddenly sometimes, if untimely taking measures very easily has an accident, even the fatal crass.Velocity limiter track adjusting wheel 11 in the automatic rescue facility, overspeed preventer device 13 and wire holder 15 all are arranged on the cage top; Speed limiter wire rope 12 1 ends be fixed on the fixed beam 2 and pile warp velocity limiter track adjusting wheel 11 and overspeed preventer device 13 after, the other end then is fixed on lowest part.Second protection steel rope 16 1 ends are fixed on the fixed beam 2 and after passing wire holder 15, the other end is then fixedly mixed at lowest part.In case when the speed that cage 1 moves down is accelerated suddenly, be arranged on the velocity limiter track adjusting wheel 1 on the cage top, overspeed preventer device 13 also can be accelerated the speed that moves down along speed limiter wire rope 12.When the speed over range of speed limiter wire rope 12 in overspeed preventer device 13; brake cable 14 on the overspeed preventer device begins action; and then cause wire holder 15 that second protection steel rope 16 is tightly clamped; make it and to move; the moving velocity of cage 1 will be slack-off; and then stop to move, avoid having an accident.
Above-described only is preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. the free suspension type jacking system is characterized in that: comprise cage lift installation and automatic rescue facility.Described cage lift installation comprises cage (1), be fixed on the hoistway upper end last fixed beam (2), be arranged on pulley (3), steel rope (4) on the fixed beam (2), be arranged on lowest part following fixed beam (5), be arranged on down elastic (6) on the fixed beam (5), the weight-driven (7) that is connected with elastic (6), be fixed on the towing machine (8) on the weight-driven (7), an end of steel rope (4) is fixed on cage (1) top, Jin Gu Even ties behind other end pile warp pulley (3) and the towing machine (8) and below the cage (1); Described automatic rescue facility comprises the speed limiter wire rope (12) and the second protection steel rope (16) that are arranged at hoistway upper end and lowest part, is arranged on the velocity limiter track adjusting wheel (11) on cage (1) top, overspeed preventer device (13) and wire holder (15) and with overspeed preventer device (13) and the wire holder (brake cable (14) that 15) Even tie.
2. free suspension type jacking system according to claim 1, it is characterized in that: described speed limiter wire rope (12) one ends are fixed on the described fixed beam (2) of going up, and behind described velocity limiter track adjusting wheel of pile warp (11) and the described overspeed preventer device (13), the other end then is fixed on lowest part.
3. free suspension type jacking system according to claim 1; it is characterized in that: described second protection steel rope (16) one ends are fixed on the described fixed beam (2) of going up; and after passing described wire holder (15) in the described automatic rescue facility, the other end then is fixed on lowest part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200317933U CN201195653Y (en) | 2008-01-30 | 2008-01-30 | Freedom suspension type lifting and lowering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200317933U CN201195653Y (en) | 2008-01-30 | 2008-01-30 | Freedom suspension type lifting and lowering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201195653Y true CN201195653Y (en) | 2009-02-18 |
Family
ID=40415291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200317933U Expired - Lifetime CN201195653Y (en) | 2008-01-30 | 2008-01-30 | Freedom suspension type lifting and lowering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201195653Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030120A (en) * | 2014-06-19 | 2014-09-10 | 周晓锋 | Well-type lifting mechanism self-rescue escaping device and operation method thereof |
| CN105947825A (en) * | 2016-06-23 | 2016-09-21 | 联盟电梯（苏州）有限公司 | Elevator speed limiting device |
-
2008
- 2008-01-30 CN CNU2008200317933U patent/CN201195653Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030120A (en) * | 2014-06-19 | 2014-09-10 | 周晓锋 | Well-type lifting mechanism self-rescue escaping device and operation method thereof |
| CN104030120B (en) * | 2014-06-19 | 2016-03-30 | 周晓锋 | Wall tunnel type lifting mechanism is saved oneself escaping apparatus and method of operation thereof |
| CN105947825A (en) * | 2016-06-23 | 2016-09-21 | 联盟电梯（苏州）有限公司 | Elevator speed limiting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DONGNAN ELEVATOR CO., LTD. Free format text: FORMER NAME: SUZHOU DONGNAN ELEVATOR (GROUP) CO., LTD. Owner name: SUZHOU DONGNAN ELEVATOR (GROUP) CO., LTD. Free format text: FORMER NAME: SUZHOU DONGNAN HYDRAULIC ELECATOR CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215200 Suzhou, Wujiang Province Economic Development Zone, North Road, No. 6588 transport Patentee after: DONGNAN ELEVATOR Co.,Ltd. Address before: 215200 Suzhou, Wujiang Province Economic Development Zone, North Road, No. 6588 transport Patentee before: SUZHOU DONGNAN ELEVATOR (HOLDINGS) Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 215200 Suzhou, Wujiang Province Economic Development Zone, North Road, No. 6588 transport Patentee after: SUZHOU DONGNAN ELEVATOR (HOLDINGS) Co.,Ltd. Address before: 215021 No. 24, Dongxing Road, Suzhou Industrial Park, Jiangsu, China Patentee before: SUZHOU DONGNAN HYDRAULIC ELEVATOR Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090218 |
|
| CX01 | Expiry of patent term |