CN104150335A - Automatic balance lifting system with multiple ropes and no counter weight - Google Patents
Automatic balance lifting system with multiple ropes and no counter weight Download PDFInfo
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- CN104150335A CN104150335A CN201410381513.1A CN201410381513A CN104150335A CN 104150335 A CN104150335 A CN 104150335A CN 201410381513 A CN201410381513 A CN 201410381513A CN 104150335 A CN104150335 A CN 104150335A
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- wheel
- automatic weighing
- elevator system
- lifting
- track adjusting
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Abstract
The invention discloses an automatic balance lifting system with multiple ropes and no counter weight, and belongs to the technical field of mine lifting devices. The lifting system does not need the counter weight for weight balancing; by means of a counter weight wheel arranged between a main guide wheel and one guide wheel or a head sheave on the upper portion of a shaft, weight balancing of the lifting system is achieved through reactive force of pull force applied by lifting steel wire ropes on the weight balancing wheel. The lifting system is particularly suitable for deep well lifting, and can reduce the section of the shaft. The tension difference of any position of the lifting system is always minimum in real time and theoretically zero, and accordingly energy is saved. Meanwhile, the threat that the steel wire ropes slide is eliminated. According to the lifting system, a stress fluctuating value of any section of each lifting steel wire rope is always zero theoretically, so that shaft resistance and air flow disturbance can be effectively reduced, and the threat that balance tail ropes are twisted is eliminated.
Description
Technical field
The invention belongs to mine hoist equipment technical field, be specifically related to a kind of many ropes that are specially adapted to deep-well lifting without bob-weight self-equalizing elevator system.
Background technology
At present, industrial and mining enterprises' exploitation, in the time adopting shaft development, except the mine that part hoisting capacity is little, pit shaft is shallow adopts single wire winding type lifting, most of hoisting capacity mine large, that pit shaft is dark all adopts frictional geared to promote, this hoisting way divides tower and floor type to promote two kinds, is by the friction force between friction lining and the steel rope of capstan, drives the moved lifting of container of steel rope.Because frictional geared hoisting cable is many, thereby the in the situation that of same lifting weight, its lifting drum diameter is much smaller compared with single-rope hoisting, and advantages when for deep-well, large capability improving, uses extensively.But there is following technical matters in existing multirope winding plant summary:
(1) in the time adopting single container to promote, capstan opposite side must adopt bob-weight counterweight, and bob-weight must take certain wellbore space, thereby shaft section wants large during without counterweigght winding, particularly rectangle or elliptical shaft especially, increase pit shaft quantities, darker pit shaft, its quantities increase is more, and increase of investment is more.
(2) single container promotes, and the weight difference of the weight of bob-weight one side and lifting container one side should be the smaller the better, changes the smaller the betterly, and the drawing force of less gig can be less, thereby more energy-conservation.But in real work, the weight of container one side is promoting and be constantly to change while transferring, thereby its weight difference can only set in certain scope, cannot change in real time, is difficult to accomplish that weight difference in two sides is all the time in minimum.
(3) even if adopt bob-weight counterweight, if but weight difference in two sides is not large, in the time that the capstan both sides quiet Tension Difference of steel rope exceedes the friction force between friction lining and steel rope, steel rope still can skid, particularly all the more so in the time promoting acceleration or deceleration, (promptly) braking.And steel rope slippage is multi rope winding than a problem that is easier to occur, be also a very large security threat all the time.
(4) friction winding adopts tail rope balancing, to reduce two ends Tension Difference, improves reliability of operation.Therefore,, on the steel rope section of container and hoisting cable junction, statical stress changes the change in location with container.In the time that container is positioned at well head unloading position, whole gravity of tail rope and the gravity of container all act on this section; Before container arrives at shaft bottom " loaded " position, this section only bears the gravity of container.That is to say, in whole lifting process, in (with container junction) hoisting cable section, will bear an amplitude and be
statical stress change (in formula, q is every meter of gravity of tail rope, N/m; H is hoisting depth, m; S
0for hoisting cable cross-sectional area, mm
2).Some national use experiences prove, in order to ensure the necessary service life of hoisting cable, generally should not be greater than 165N/mm in the stress fluctuation value at hoisting cable arbitrary cross-section place
2, otherwise can affect its service life.Hence one can see that, and mine is darker, and the undulating quantity of statical stress is larger, and its limit allowable is σ
j=165N/mm
2.Therefore, friction winding is also subject to certain restrictions in the use of deep-well.
(5) while lifting, lifting container and bob-weight move simultaneously in pit shaft, and compression pit shaft air, forms resistance.In the time that both intersect, two strands of compressed air streams meet, and easily form larger resistance.And deep-well promotes, fast when hoisting speed, while particularly using flexible cage guide again, blast air not only causes promoting resistance and increases, but also easily causes lifting container operation unstable.
(6) friction winding adopts tail rope balancing, and in the time that hoisting speed is too fast, the phenomenon that tail rope is wound around likely occurs, and causes large security threat.
Summary of the invention
Object of the present invention is exactly the above-mentioned technical matters existing in promoting for existing multi rope winding, particularly deep-well, and provide a kind of many ropes without bob-weight self-equalizing elevator system, this elevator system is a kind of without bob-weight counterweight, and automatically adopts a kind of elevator system of elevator system self counter-force weight.
One provided by the present invention is restricted without bob-weight self-equalizing elevator system without bob-weight counterweight more, but by between track adjusting wheel or head sheave 6 (track adjusting wheel when gig is floor type is called head sheave), automatic weighing wheel 5 being set in capstan 4 and upper wellbore on one of them, be applied to described automatic weighing and take turns the antagonistic force of 5 upper pulling forces and realize the counterweight of elevator system by hoisting cable 3.
This elevator system comprises lifting container 1, top steel-cable suspensioning device 2, hoisting cable 3, capstan 4, automatic weighing wheel 5, upper track adjusting wheel or head sheave 6, pit shaft 7, lower track adjusting wheel 8 and bottom steel-cable suspensioning device 9; Described lifting container 1 is connected with described hoisting cable 3 by described top steel-cable suspensioning device 2, described hoisting cable 3 is successively by described capstan 4, automatic weighing wheel 5, upper track adjusting wheel or head sheave 6, then arrive described lower track adjusting wheel 8 through described pit shaft 7, be finally connected with described bottom steel-cable suspensioning device 9 by described lower track adjusting wheel 8; Described capstan 4 is arranged on the top of described pit shaft 7, and described automatic weighing wheel 5 is arranged on the opposite side of described capstan 4 with respect to described lifting container 1, and described automatic weighing wheel 5 is arranged between described capstan 4 and described upper track adjusting wheel or head sheave 6.
Elevator system provided by the present invention, counterweight balance hammer and tail rope in existing gig are cancelled, change the opposite side with respect to container at upper wellbore capstan into, between capstan and upper track adjusting wheel or head sheave, increase an automatic weighing wheel, and be equipped with several (being generally 1～3) upper track adjusting wheel or head sheave 6, increase several (being generally 1～2) lower track adjusting wheel 8 in shaft bottom.Then hoisting cable from lifting container upper end, by capstan, automatic weighing wheel, upper track adjusting wheel or head sheave, pit shaft, lower track adjusting wheel until lifting container tail end lifting container is joined end to end.
The present invention has following technical characterstic:
1, cancel bob-weight, cut the wellbore space that bob-weight takies, can dwindle pit shaft face, particularly rectangle or elliptical shaft section, can save pit shaft investment.
2, the present invention adopts automatic weighing wheel, and the application force and the antagonistic force that utilize lifting container steel rope to act on automatic weighing wheel carry out automatic weighing, real-time counterweight.In the time of the quiet tension variation of hoisting cable, the counteraction tension force of its opposite side steel rope also changes simultaneously, and the Tension Difference at any place of elevator system is always in real time in minimum and be zero in theory in theory, thereby very energy-conservation.
3, because its Tension Difference of any place of elevator system is always in real time in minimum and be zero in theory, in addition it has increased automatic weighing wheel, upper track adjusting wheel or head sheave, the friction of several places of lower track adjusting wheel cylinder to steel rope, thereby, steel rope can not skid, eliminate the slippage threat that multi rope winding steel rope easily occurs, eliminated potential safety hazard.
4, utilize application force and antagonistic force automatic weighing because the present invention adopts automatic weighing wheel, thereby on (container and hoisting cable junction) steel rope section, statical stress is constant all the time.Also the stress fluctuation value that is hoisting cable arbitrary cross-section place is zero in theory always, thereby pit shaft is dark again, and it is not all affected, and has solved frictional geared and has promoted the great technical barrier that is applied to deep-well lifting.
5, in pit shaft, cancelled bob-weight, in the situation that shaft section is constant, owing to having cancelled bob-weight, in the time that container moves, the pit shaft air of its compression, can disperse from a side of original layout bob-weight, both can effectively reduce pit shaft resistance, also can avoid counterweigght winding time, when container intersects with bob-weight, the compressed air stream air-flow Sudden Disturbance forming that meets changes to lifting container and move the wild effect of bringing, and has solved another great technical barrier of deep-well lifting.
6, lead to steel rope by lower track adjusting wheel in pit shaft bottom, eliminated the threat that balance tail rope is wound around, and eliminated potential safety hazard.
7, container head and the tail are all strained by steel rope, and now, hoisting cable is also equivalent to one group of flexible cage guide, and under certain conditions, the cage guide of container operation can be cancelled, and then also can cancel buntons, can save a large amount of shaft equipment materials and expense.
Brief description of the drawings
The structural representation of basic arrangement when Fig. 1 is elevator system tower winding of the present invention;
Fig. 2 is out of shape the structural representation of one of arrangement while being elevator system tower winding of the present invention;
Fig. 3 is out of shape two schematic diagram of arrangement while being elevator system tower winding of the present invention;
The structural representation of basic arrangement when Fig. 4 is elevator system floor type lifting of the present invention;
Fig. 5 is out of shape the schematic diagram of arrangement while being elevator system floor type lifting of the present invention;
Fig. 6 is that the automatic weighing wheel device for installing and adjusting in elevator system of the present invention is faced structural representation;
Fig. 7 is the automatic weighing wheel device for installing and adjusting side-looking structural representation in elevator system of the present invention.
In figure: 1: lifting container; 2: top steel-cable suspensioning device; 3: hoisting cable; 4: capstan; 5: automatic weighing wheel; 6: upper track adjusting wheel or head sheave; 7: pit shaft; 8: lower track adjusting wheel; 9: bottom steel-cable suspensioning device; 10: automatic weighing wheel bearing; 11: device for installing and adjusting; 12: steel rope tension piece; 13: check pin; 14: active column; 15: vertical columns.
Detailed description of the invention
Below in conjunction with accompanying drawing, elevator system of the present invention is described in further details.
Restricted without bob-weight self-equalizing elevator system by the present invention shown in Fig. 1～Fig. 5 more, its lifting container 1 is connected with hoisting cable 3 by top steel-cable suspensioning device 2, then hoisting cable 3 is by capstan 4, automatic weighing wheel 5, upper track adjusting wheel or head sheave 6, arrive lower track adjusting wheel 8 through pit shaft 7, finally walk around lower track adjusting wheel 8 and be connected with lifting container bottom steel-cable suspensioning device 9, form whole elevator system.Its lifting remains by the friction force between friction lining and the steel rope of capstan, drives the moved lifting of container of steel rope.But counterweight is to be taken turns and compressed after steel rope by automatic weighing, weighting distribution wheel both sides steel rope reacts on that pressure on weighting distribution wheel realizes.
Automatic weighing wheel bearing 10 is as shown in Figure 6 arranged on device for installing and adjusting 11, at one group of steel rope tension piece 12 of the each suspention in automatic weighing wheel both sides, (weight of steel rope tension piece 12 is can strain steel rope as principle all the time simultaneously, if the weight of weighting distribution wheel own meets steel rope tension requirement, strain piece shouldn't).
As shown in Figure 7, for preventing that automatic weighing wheel bearing 10 from up moving because of fault, is equipped with check pin 13 at a certain distance in device for installing and adjusting 11 both sides.In the time that elevator system is installed for the first time, automatic weighing wheel bearing 10 is placed between the check pin of first and second, 11 top of device for installing and adjusting; Then, along with hoisting cable is elongated, in the time elongating to a certain extent, steel rope produces lax, and now, weighting distribution wheel is under Action of Gravity Field, automatically down motion, cross second check pin, enter second and the 3rd check pin between and down motion of order, be no longer elongated until final steel rope is stable.When need are more when change steel rope, displacement only need get loose the active column 14 in every device for installing and adjusting 11 side two root posts, again automatic weighing wheel is hung and being raised to first and second check pin positions, then by active column 14 reinstall fixing both can, and vertical columns 15 is motionless.
Certainly, the installation of automatic weighing wheel bearing 10 is fixed, prevent that up the check pins 13 of motion and situation about being elongated according to steel rope regulate the mode etc. of tense wire rope also can adopt other terms of settlement to automatic weighing wheel 5 automatically under lineoutofservice signal pull effect, as exerted pressure to replace steel rope tension piece 12 by hydraulic efficiency pressure system to automatic weighing wheel bearing 10, and prevent that automatic weighing wheel 5 from up moving, by electrically controlled monitoring automatically control stroke that weighting distribution wheel down moves etc. solve in real time steel rope all the time the solution in tension all at this patent protection domain.
Claims (4)
1. many ropes are without bob-weight self-equalizing elevator system, it is characterized in that this elevator system is without bob-weight counterweight, but by between track adjusting wheel or head sheave (6), automatic weighing wheel (5) being set in capstan (4) and upper wellbore on one of them, the antagonistic force that is applied to described automatic weighing wheel (5) upper pulling force by hoisting cable (3) is realized the counterweight of elevator system.
2. many ropes, without bob-weight self-equalizing elevator system, is characterized in that described elevator system comprises lifting container (1), top steel-cable suspensioning device (2), hoisting cable (3), capstan (4), automatic weighing wheel (5), upper track adjusting wheel or head sheave (6), pit shaft (7), lower track adjusting wheel (8) and bottom steel-cable suspensioning device (9) according to claim 1; Described lifting container (1) is connected with described hoisting cable (3) by described top steel-cable suspensioning device (2), described hoisting cable (3) is successively by described capstan (4), automatic weighing wheel (5), upper track adjusting wheel or head sheave (6), then pass through described pit shaft (7) and arrive described lower track adjusting wheel (8), be finally connected with described bottom steel-cable suspensioning device (9) by described lower track adjusting wheel (8); Described capstan (4) is arranged on the top of described pit shaft (7), described automatic weighing wheel (5) is arranged on the opposite side of described capstan (4) with respect to described lifting container (1), and described automatic weighing wheel (5) is arranged between described capstan (4) and described upper track adjusting wheel or head sheave (6).
3. how rope is without bob-weight self-equalizing elevator system according to claim 1, it is characterized in that described automatic weighing wheel (5) is arranged on device for installing and adjusting (11) by automatic weighing wheel bearing (10), described automatic weighing wheel (5) both sides are respectively suspended one group of steel rope tension piece (12) in midair, and described device for installing and adjusting (11) both sides are equipped with check pin (13) at a certain distance.
4. how rope is without bob-weight self-equalizing elevator system according to claim 3, the both sides that it is characterized in that described device for installing and adjusting (11) are provided with column, in described column, one is active column (14), and another is vertical columns (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381513.1A CN104150335A (en) | 2014-08-05 | 2014-08-05 | Automatic balance lifting system with multiple ropes and no counter weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381513.1A CN104150335A (en) | 2014-08-05 | 2014-08-05 | Automatic balance lifting system with multiple ropes and no counter weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104150335A true CN104150335A (en) | 2014-11-19 |
Family
ID=51876007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410381513.1A Pending CN104150335A (en) | 2014-08-05 | 2014-08-05 | Automatic balance lifting system with multiple ropes and no counter weight |
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| Country | Link |
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| CN (1) | CN104150335A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966282A (en) * | 2017-05-23 | 2017-07-21 | 淮南矿业(集团)有限责任公司 | The flat-tail rope of single lifting system more changing device and its replacing options |
| CN107381312A (en) * | 2017-08-21 | 2017-11-24 | 泰安中康电子科技有限公司 | A kind of lifting system slack rope energy-saving protective device |
| CN108383020A (en) * | 2018-03-07 | 2018-08-10 | 中国矿业大学 | A kind of ultradeep well heavy－duty high speed compound-wound friction winding device |
| CN109678035A (en) * | 2018-12-13 | 2019-04-26 | 中国矿业大学 | A kind of ultra-deep large-tonnage lifting system of multi-rope friction hoisting and application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5788018A (en) * | 1997-02-07 | 1998-08-04 | Otis Elevator Company | Traction elevators with adjustable traction sheave loading, with or without counterweights |
| JP2002193566A (en) * | 2000-12-26 | 2002-07-10 | Toshiba Corp | Elevator device |
| JP2004067365A (en) * | 2002-08-09 | 2004-03-04 | Otis Elevator Co | Elevator device |
| JP2004175546A (en) * | 2002-11-28 | 2004-06-24 | Yoshitaka Nagao | Elevator device |
| CN1926048A (en) * | 2004-10-20 | 2007-03-07 | 三菱电机株式会社 | Lift installation |
-
2014
- 2014-08-05 CN CN201410381513.1A patent/CN104150335A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5788018A (en) * | 1997-02-07 | 1998-08-04 | Otis Elevator Company | Traction elevators with adjustable traction sheave loading, with or without counterweights |
| JP2002193566A (en) * | 2000-12-26 | 2002-07-10 | Toshiba Corp | Elevator device |
| JP2004067365A (en) * | 2002-08-09 | 2004-03-04 | Otis Elevator Co | Elevator device |
| JP2004175546A (en) * | 2002-11-28 | 2004-06-24 | Yoshitaka Nagao | Elevator device |
| CN1926048A (en) * | 2004-10-20 | 2007-03-07 | 三菱电机株式会社 | Lift installation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966282A (en) * | 2017-05-23 | 2017-07-21 | 淮南矿业(集团)有限责任公司 | The flat-tail rope of single lifting system more changing device and its replacing options |
| CN106966282B (en) * | 2017-05-23 | 2023-04-18 | 淮南矿业(集团)有限责任公司 | Flat tail rope replacing device of single lifting system and replacing method thereof |
| CN107381312A (en) * | 2017-08-21 | 2017-11-24 | 泰安中康电子科技有限公司 | A kind of lifting system slack rope energy-saving protective device |
| CN108383020A (en) * | 2018-03-07 | 2018-08-10 | 中国矿业大学 | A kind of ultradeep well heavy－duty high speed compound-wound friction winding device |
| CN109678035A (en) * | 2018-12-13 | 2019-04-26 | 中国矿业大学 | A kind of ultra-deep large-tonnage lifting system of multi-rope friction hoisting and application method |
| CN109678035B (en) * | 2018-12-13 | 2021-01-08 | 中国矿业大学 | Multi-rope friction lifting ultra-deep large-tonnage lifting system and using method |
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Application publication date: 20141119 |