CN203855276U - Hydraulic buffering and balancing device for wire rope tension of elevator - Google Patents
Hydraulic buffering and balancing device for wire rope tension of elevator Download PDFInfo
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- CN203855276U CN203855276U CN201420274899.1U CN201420274899U CN203855276U CN 203855276 U CN203855276 U CN 203855276U CN 201420274899 U CN201420274899 U CN 201420274899U CN 203855276 U CN203855276 U CN 203855276U
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Abstract
The utility model belongs to the field of elevators and relates to a device capable of enabling a plurality of wire ropes which are jointly operated to be kept in balance in tension and buffered in vibration, in particular to a hydraulic buffering and balancing device for wire rope tension of an elevator. The hydraulic buffering and balancing device comprises a car, the wire ropes, taper sleeves and wedges, and the taper sleeves, the wire ropes and the wedges are connected together. The hydraulic buffering and balancing device is characterized by further comprising a single-acting hydraulic cylinder, a hydraulic accumulator and a pipeline, the number of the single-acting hydraulic cylinder is equal to that of the wire ropes, the upper and lower ends of the single-acting hydraulic cylinder are respectively connected with the taper sleeves and the top of the car in a hinged manner, and each wire rope is provided with one hydraulic cylinder thereunder; the pipeline is communicated with rod cavities of the hydraulic cylinders and the accumulator; continuous cavities formed by the rod cavities of the hydraulic cylinders, the pipeline and the accumulator are filled with hydraulic oil. By the arrangement, tension of the wire ropes tends to be balanced, and the vibration of the car tends to be stable; the hydraulic buffering and balancing device is low in manufacture and use cost, easy to control and convenient to implement.
Description
Technical field
The utility model belongs to elevator field, relates to a kind of device that makes cooperative many steel wire rope tensions keep balance energy buffering vibration, is specifically related to a kind of elevator wire rope tension force hydraulic cushion and balancing device.
Background technology
At present, market and residential building building elevator used is a kind of vertical conveyor that is applicable to skyscraper mostly, and a car is housed, and car top is connected with many steel ropes, and steel rope upper end is wrapped on the head roll of top of building.Elevator is used for taking advantage of people or carrying goods, because it is easy to use, can save a large amount of manpowers and time, so be widely used in skyscraper.
Although traditional elevator is used extensively, also there are some design defect in it.
The connection of steel wire rope head and car roof is rigidity often, car roof is fixed with tapered sleeve, in tapered sleeve, have a cone space, steel wire rope head is wrapped on a voussoir, and voussoir has an outside cone angle, steel rope outline after winding also can form an outside cone angle, along this cone angle, be embedded into tapered sleeve interior tapered space, adjacent contoured surface be close to, like this, due to the existence of squeese pressure and friction force, between steel rope and tapered sleeve, just formed the self-locking connection mode of drawing tighter and tighter.Such connection does not have elasticity, is a kind of being rigidly connected.If run into the severe condition of service such as track is straight, the unstable velocity jump causing of line voltage, chain drive-belt jumping chain, steel rope and car can produce violent shake, steel rope may produce larger moment pulling force, easily cause steel rope to shift to an earlier date endurance failure, passenger can feel obviously to jolt, feel uncomfortable, produce sense of insecurity, the major accidents such as more serious meeting generation wire cable rupture, car falls, personal casualty.
Many steel rope is connected with car simultaneously, is difficult to accomplish the tension force complete equilibrium of steel rope, even can adjust to balance under specific load, the elasticity modulus of each steel rope is also not quite similar, when load change, stretched length changes, and the tension force of steel rope is lack of equilibrium again; In addition, during unbalance loading, the steel rope of diverse location is even little or nothing stretched length difference will cause each steel wire rope tension to have very big difference.Steel rope is subject to force unbalance, cause some steel rope under overload state, to be worked always, and other steel ropes are just in dry run, be not subject to load, the steel rope of overload operation shifts to an earlier date endurance failure, the use side life of out of reach expection, in order to keep parameter consistent, when changing, often all steel rope is changed simultaneously, although the steel rope of dry run remains intact, still go out of use, cause great waste.
The patent No. is 201120360127.6 utility model patent, title is the balance adjusting device that < < wire rope tension balancing adjusting device for elevator > > has described a kind of fluid pressure type, comprise the hydraulic actuating cylinder that number is corresponding with steel rope and be attached thereto and the hydraulic circuit of controlling each hydraulic actuating cylinder, hydraulic circuit comprises oil feed line and oil return line, oil feed line is provided with fuel tank, Hydraulic Pump, the hydraulic valve that by pass valve and number are corresponding with hydraulic actuating cylinder, oil feed line is communicated with the rod chamber of hydraulic actuating cylinder after by hydraulic valve, oil return line is connected with the rodless cavity of each hydraulic actuating cylinder.This utility model is fixed on elevator wire rope on hydraulic actuating cylinder push rod, the tension force that steel rope produces is delivered in hydraulic actuating cylinder by push rod, because the hydraulic circuit of hydraulic actuating cylinder is mutually to connect, the tension force summation that hydraulic actuating cylinder produces steel rope by hydraulic circuit readjust, mean allocation is to every steel rope, the pressure that hydraulic actuating cylinder is produced each push rod equates, the tension force that makes every steel rope is all identical, thereby reaches the balanced adjustment of steel wire rope tension.
This way can play good effect really, and the load of each steel rope of energy active balance has improved the comfort of elevator operation, has eliminated to a certain extent the potential safety hazard of elevator operation, the life-span of having improved steel rope, but also there are some defects simultaneously.
First, design is complicated, and cost is higher, wastes energy.Native system does not need continuous driving power, does not need the continuous drive of pump, only needs the sealing of some hydraulic oil just can meet requirements in system, and actuating device is consuming the energy always, causes energy dissipation.So this system can be removed Hydraulic Pump and actuating device.
Secondly, the hydraulic oil of rod chamber does not need acting, and the inside does not need injection liquid force feed, need not use double acting hydraulic cylinder, has improved manufacturing cost, selects just energy meet requirements of single-action hydraulic cylinder.
Again, although eliminated the overbalance between many steel ropes,, intrasystem pressure is difficult to remain to a stable numerical value, has introduced again another labile factor, causes car to pitch seriously.
Finally, hydraulic actuating cylinder is fixed on building top, should be connected with push rod, is wrapped in again on cylinder, implements some difficulty.
The design idea of this invention is fine, but does not design good technical scheme, and a kind of new replacement scheme is urgently released.
Summary of the invention
The purpose of this utility model is to provide a kind of elevator wire rope tension force hydraulic cushion and balancing device, can effectively eliminate above-mentioned defect.
The utility model is achieved through the following technical solutions.
Be a kind of elevator wire rope tension force hydraulic cushion and balancing device, comprise car, the steel rope, tapered sleeve, the voussoir that from head roll, hang down and, in tapered sleeve, there is a cone space, steel wire rope head is wrapped on a voussoir, voussoir has an outside cone angle, steel rope outline after winding also can form an outside cone angle, along this cone angle, be embedded into tapered sleeve interior tapered space, adjacent contoured surface is close to, like this, due to the existence of squeese pressure and friction force, between steel rope and tapered sleeve, just formed the self-locking connection mode that tapered sleeve-voussoir-steel wire rope head draws tighter and tighter.。
It is characterized by and also comprise single-action hydraulic cylinder, hydraulic accumulator and pipeline, hydraulic actuating cylinder quantity and steel rope quantity equate, car top is fixed with earrings, single-action hydraulic cylinder comprises earrings-cylinder bar-piston in combination and the combination of cylinder barrel-earrings, the earrings of earrings-cylinder bar-piston in combination is combined into chain connection by axle and tapered sleeve, the earrings of cylinder barrel-earrings combination and the earrings of car top form chain connection by axle, all establish the identical hydraulic actuating cylinder of a set of this parameter below every steel rope.The rod chamber of each hydraulic actuating cylinder of pipeline connection and energy storage.In the continuous cavity that hydraulic actuating cylinder rod chamber, pipeline and energy storage form, be filled with hydraulic oil, hydraulic oil is closed in this space, and maintains suitable pressure.
The deadweight of car and load-carrying act in the combination of cylinder barrel-earrings by axle, the hydraulic oil of sealing can bear suitable pressure, the deadweight of car and load-carrying are delivered in earrings-cylinder bar-piston in combination by hydraulic oil, by axle, be delivered on tapered sleeve again, connection by tapered sleeve-voussoir-steel wire rope head is delivered on steel rope again, is finally delivered on the head roll of top of high-rise buildings.
The technical parameter of each hydraulic actuating cylinder is identical, the cross-sectional area that is rod chamber hydraulic oil is identical, according to pascal's principle, because rod chamber is by pipeline connection, so the pressure of hydraulic oil equates in each hydraulic actuating cylinder rod chamber, area is equal, and pressure equates to draw the result that pressure is equal, so the pulling force of every steel rope equates.
Even if rope capacity is different, system also can be adjusted by the pipeline being communicated with the quantity of hydraulic oil distribution automatically, hydraulic cylinder extension length is changed, reach new state of equilibrium, final pressure everywhere still equates, cross-sectional area is constant, and the elongation difference of hydraulic actuating cylinder does not change the result that pressure is equal, and the pulling force of every steel rope still equates.
If car is because of unbalance loading run-off the straight, cause the heavier one side lineoutofservice signal pull of load to become large, become tighter, light lineoutofservice signal pull on one side diminishes, become more loose, system can be adjusted automatically by the pipeline being communicated with the quantity of hydraulic oil distribution, hydraulic cylinder extension length is changed, reach new state of equilibrium, final pressure everywhere or the same, cross-sectional area is constant, the elongation difference of hydraulic actuating cylinder does not change the result that pressure is equal, the pulling force of every steel rope still equates, last result, and the elasticity of every steel rope is the same.
If it is not straight to meet track, the velocity jump that line voltage shakiness causes, chain drive-belt is jumped the severe operation conditionss such as chain, car can be followed vibration, hydraulic actuating cylinder has passive flexible trend, hydraulic oil pressure in hydraulic actuating cylinder has fluctuation tempestuously, pulling force on steel rope can fluctuate tempestuously, passenger feels to jolt tempestuously in car, passenger has sense of discomfort and sense of insecurity consumingly, but the existence due to energy storage, can absorb hydraulic efficiency impact or pressure pulsation, comply with the trend of hydraulic cylinder extension and flow into or efflux force feed, system pressure is tended to be steady, the tension variations of steel rope is tended to be steady, thereby cage operation is tended to be steady, passenger's feeling in car tends to be steady.
Can in the middle of energy storage and other pipeline, increase a hydraulic bidirectional flow regulating valve, by the hydraulic flow of this valve adjustment turnover energy storage, when the flow of adjusting is too large, there is a little a load fluctuation, will cause the hydraulic oil of large flow to enter/go out hydraulic actuating cylinder, correspondingly the hydraulic oil of large flow goes out/enters energy storage, causes hydraulic actuating cylinder flexible significantly, cause car heave and set fluctuation significantly, passenger can feel astasia or dizzy inside; If adjust too littlely, when meeting above-mentioned severe operation conditions, car can vibrate again tempestuously, and passenger has sense of discomfort and sense of insecurity consumingly; But can adjust to a sizeable running state point, make passenger neither can feel heave and set fluctuation significantly inside, can not feel again to vibrate tempestuously.
For the ease of oiling, discharge inner air or regularly supplement hydraulic oil, in the highest place, pipeline position, establish a repairing mouth, a plug is installed above, the plug of outwarding winding when oiling, exhaust or repairing, screws after having operated again.
Compare with the utility model patent that the patent No. is 201120360127.6, the actuating device, Hydraulic Pump and a plurality of control cock that consume the energy have been saved, simplified pipeline, double acting hydraulic cylinder has changed single-action hydraulic cylinder into, construction and use cost have significantly been subdued, system pressure is more stable, more easily controls, and this scheme is convenient to implement.
The beneficial effects of the utility model are: the pulling force of steel rope is tended to balance, the vibration of car is tended to be steady, cost and use cost are lower, are easy to control, and this scheme is convenient to implement.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment block diagram;
Fig. 2 is the utility model front elevation;
Fig. 3 be in Fig. 2 A to view;
Fig. 4 be in Fig. 2 B to view;
Fig. 5 is along the cutaway view of C-C line in Fig. 2;
Fig. 6 is the utility model hydraulic schematic diagram.
Shown in figure: 1. steel wire rope head; 2. tapered sleeve; 3. axle; 4. earrings-cylinder bar-piston in combination; 5. plug; 6. cylinder barrel-earrings combination; 7. pipeline; 8. axle; 9. earrings; 10. car; 11. hydraulic bidirectional flow regulating valve; 12. pipelines; 13. hydraulic accumulators; 14. voussoirs; 15. hydraulic oil.
The specific embodiment
Embodiment: as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, take one above car, be connected with three steel ropes and describe as example, the present embodiment is comprised of steel wire rope head 1, tapered sleeve 2, voussoir 14, earrings-cylinder bar-piston in combination 4, cylinder barrel-earrings combination 6, car 10, hydraulic bidirectional flow regulating valve 11, the energy storage 13 of steel rope lower end.
In tapered sleeve 2, there is a cone space, steel wire rope head 1 is wrapped on voussoir 14, voussoir 14 has an outside cone angle, steel wire rope head 1 outline after winding also can form a cone angle, along this cone angle, be embedded into tapered sleeve 2 interior tapered spaces, adjacent contoured surface be close to, like this, due to the existence of squeese pressure and friction force, between steel wire rope head 1 and tapered sleeve 2, just formed the self-locking connection mode that tapered sleeve-voussoir-steel wire rope head draws tighter and tighter.
Earrings-cylinder bar-piston in combination 4 and cylinder barrel-earrings combination 6 forms single-action hydraulic cylinder, the earrings of earrings-cylinder bar-piston in combination 4 is combined into chain connection by axle 3 and tapered sleeve 2, the earrings of cylinder barrel-earrings combination 6 by axle 8 composition chain connections, is all established a set of this parameter identical single-action hydraulic cylinder below every steel rope with the earrings 9 at car 10 tops.
Pipeline 7 is communicated with the rod chamber of each hydraulic actuating cylinder and a hydraulic fluid port of hydraulic bidirectional flow regulating valve 11, and pipeline 12 is communicated with another hydraulic fluid port and the energy storage 13 of hydraulic bidirectional flow regulating valve 11.Pipeline 7 the highest positions have hydraulic fluid port, and a plug 5 is installed above.
The continuous chamber that hydraulic actuating cylinder rod chamber, pipeline 7, pipeline 12, energy storage 13, plug 5 and hydraulic bidirectional flow regulating valve 11 form is filled with hydraulic oil 15, and hydraulic oil 15 is closed in this cavity, and maintains suitable pressure.
The deadweight of car 10 and load-carrying pass to cylinder barrel-earrings combination 6 by axle 8, hydraulic oil 15 can bear suitable pressure, the deadweight of car 10 and load-carrying are delivered in earrings-cylinder bar-piston in combination 4 by hydraulic oil 15, by axle 3, be delivered on tapered sleeve 2 again, connection by tapered sleeve-voussoir-steel wire rope head is delivered on steel wire rope head 1 again, is finally delivered on the head roll of top of high-rise buildings.
The technical parameter of each hydraulic actuating cylinder is identical, the cross-sectional area that is rod chamber hydraulic oil 15 is identical, according to pascal's principle, because rod chamber is communicated with by pipeline 7, so the pressure of hydraulic oil 15 equates in each hydraulic actuating cylinder rod chamber, area is equal, and pressure equates to draw the result that pressure is equal, so the pulling force of every steel rope equates.
Even if rope capacity is different, system also can be adjusted the quantity that hydraulic oil 15 distributes automatically by the pipeline 7 being communicated with, hydraulic cylinder extension length is changed, reach new state of equilibrium, final pressure everywhere still equates, cross-sectional area is still equal, and the elongation difference of hydraulic actuating cylinder does not change the result that pressure is equal, and the pulling force of every steel rope still equates.
If car 10 is because of unbalance loading run-off the straight, cause heavier one side lineoutofservice signal pull to become large, become tighter, light lineoutofservice signal pull on one side diminishes, become more loose, system can be adjusted the quantity that hydraulic oil 15 distributes automatically by the pipeline 7 being communicated with, and hydraulic cylinder extension length is changed, and reaches new state of equilibrium, final pressure everywhere or the same, cross-sectional area is constant, and the elongation difference of hydraulic actuating cylinder does not change the result that pressure is equal, and the pulling force of every steel rope still equates.
If it is not straight to meet track, the velocity jump that line voltage shakiness causes, chain drive-belt is jumped the severe operation conditionss such as chain, car 10 can be followed vibration, hydraulic actuating cylinder has passive flexible trend, hydraulic oil pressure in hydraulic actuating cylinder has fluctuation tempestuously, pulling force on steel rope can fluctuate tempestuously, passenger feels to jolt tempestuously in car, have sense of discomfort and sense of insecurity consumingly, but because energy storage 13 can absorb hydraulic efficiency impact or Pressure fluctuation, comply with the passive flexible trend of hydraulic actuating cylinder and flow into or efflux force feed, pressure is tended to be steady, the tension variations of steel rope is tended to be steady, thereby car 10 operations are tended to be steady, passenger's feeling in car 10 tends to be steady.
In the middle of pipeline 7 and pipeline 12, a hydraulic bidirectional flow regulating valve 11 is set, by the hydraulic flow of this valve adjustment turnover energy storage 13, when the flow of adjusting is too large, there is a little a load fluctuation, will cause the hydraulic oil of large flow to enter/go out hydraulic actuating cylinder, correspondingly the hydraulic oil of large flow goes out/enters energy storage 13, causes hydraulic actuating cylinder flexible significantly, cause car 10 heave and set fluctuation significantly, passenger can feel astasia or dizzy inside; If adjust too littlely, while meeting above-mentioned severe operation conditions, car 10 can vibrate again tempestuously, and passenger has sense of discomfort and sense of insecurity consumingly; But can adjust to a suitable running state point, make passenger neither can feel heave and set fluctuation significantly inside, can not feel again to vibrate tempestuously.
For the ease of oiling, discharge inner air or regularly supplement hydraulic oil, in pipeline 7 the highest places, position, establish a repairing mouth, a plug 5 is installed above, the plug 5 of outwarding winding when oiling, exhaust or repairing, screws after having operated again.
Claims (3)
1. an elevator wire rope tension force hydraulic cushion and balancing device, comprise car, the steel rope that hangs down and from head roll, tapered sleeve, voussoir, in tapered sleeve, there is a cone space, steel wire rope head is wrapped on a voussoir, voussoir has an outside cone angle, steel rope outline after winding is embedded into tapered sleeve interior tapered space, it is characterized by and also comprise single-action hydraulic cylinder, hydraulic accumulator and pipeline, single-action hydraulic cylinder quantity and steel rope quantity equate, car top is fixed with earrings, single-action hydraulic cylinder comprises earrings-cylinder bar-piston in combination and the combination of cylinder barrel-earrings, the earrings of earrings-cylinder bar-piston in combination is combined into chain connection by axle and tapered sleeve, the earrings of cylinder barrel-earrings combination and the earrings of car top form chain connection by axle, below every steel rope, all establish a set of this hydraulic actuating cylinder, the rod chamber of each hydraulic actuating cylinder of pipeline connection and energy storage, in the continuous cavity that hydraulic actuating cylinder rod chamber, pipeline and energy storage form, be filled with hydraulic oil.
2. a kind of elevator wire rope tension force hydraulic cushion according to claim 1 and balancing device, is characterized by energy storage and a hydraulic bidirectional flow regulating valve of the middle increase of other pipeline.
3. a kind of elevator wire rope tension force hydraulic cushion according to claim 1 and balancing device, is characterized by the highest place, pipeline position and establish a repairing mouth, and a plug is installed above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274899.1U CN203855276U (en) | 2014-05-28 | 2014-05-28 | Hydraulic buffering and balancing device for wire rope tension of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274899.1U CN203855276U (en) | 2014-05-28 | 2014-05-28 | Hydraulic buffering and balancing device for wire rope tension of elevator |
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| CN203855276U true CN203855276U (en) | 2014-10-01 |
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| CN201420274899.1U Expired - Fee Related CN203855276U (en) | 2014-05-28 | 2014-05-28 | Hydraulic buffering and balancing device for wire rope tension of elevator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896003A (en) * | 2015-06-03 | 2015-09-09 | 覃盛安 | Adaptive balancer for multi-field application based on Pascal's law |
| CN105540385A (en) * | 2016-02-25 | 2016-05-04 | 永大电梯设备（中国）有限公司 | Elevator steel wire rope tension automatic regulation system |
| CN106044563A (en) * | 2016-08-12 | 2016-10-26 | 太原重型机械集团工程技术研发有限公司 | Crane, and balancing device for crane |
| CN106586844A (en) * | 2016-11-28 | 2017-04-26 | 清华大学 | High-speed and heavy-duty carrying mechanism with energy-storing and buffering functions |
| CN106956984A (en) * | 2017-04-07 | 2017-07-18 | 浙江梅轮电梯股份有限公司 | One kind is used for elevator safety escape control system and its control method |
| CN110944922A (en) * | 2017-05-26 | 2020-03-31 | T·艾伯林 | Elevator suspension member balancing system |
-
2014
- 2014-05-28 CN CN201420274899.1U patent/CN203855276U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896003A (en) * | 2015-06-03 | 2015-09-09 | 覃盛安 | Adaptive balancer for multi-field application based on Pascal's law |
| CN105540385A (en) * | 2016-02-25 | 2016-05-04 | 永大电梯设备（中国）有限公司 | Elevator steel wire rope tension automatic regulation system |
| CN106044563A (en) * | 2016-08-12 | 2016-10-26 | 太原重型机械集团工程技术研发有限公司 | Crane, and balancing device for crane |
| CN106586844A (en) * | 2016-11-28 | 2017-04-26 | 清华大学 | High-speed and heavy-duty carrying mechanism with energy-storing and buffering functions |
| CN106956984A (en) * | 2017-04-07 | 2017-07-18 | 浙江梅轮电梯股份有限公司 | One kind is used for elevator safety escape control system and its control method |
| CN110944922A (en) * | 2017-05-26 | 2020-03-31 | T·艾伯林 | Elevator suspension member balancing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180814 Address after: 266108 Shandong Qingdao Chengyang District Chengyang Street Jingkou community neighborhood 900 meters Southwest Patentee after: QINGDAO BAI'EN METALWARE Co.,Ltd. Address before: 266061 room 1111, human resources building, 9 Yinchuan East Road, Laoshan District, Qingdao, Shandong. Patentee before: Chen Shaochuan |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 |