CN103434900B - Mine hoist equipment - Google Patents
Mine hoist equipment Download PDFInfo
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- CN103434900B CN103434900B CN201310295867.XA CN201310295867A CN103434900B CN 103434900 B CN103434900 B CN 103434900B CN 201310295867 A CN201310295867 A CN 201310295867A CN 103434900 B CN103434900 B CN 103434900B
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Abstract
The present invention proposes a kind of mine hoist equipment, comprising: lifting container; Steel rope, steel rope is connected with lifting container; Gig, gig is connected with steel rope, is elevated lifting container for driving steel rope in pit shaft; And controller, controller is connected the acceleration/accel controlled on the velocity curve of lifting container and changes a little and at least one change a little of deceleration/decel changes with predetermined time interval with gig.According to mine hoist equipment of the present invention, run with the velocity diagram of dynamically changeable, therefore the lifting acceleration point of the lifting container of mine hoist equipment and the position of deceleration point can change with predetermined period, thus avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
Description
Technical field
The present invention relates to mine hoisting technology, particularly, relate to a kind of mine hoist equipment.
Background technology
Mine hoisting container is the container for improving material in mine and lifts personnel in mine hoist equipment.Mine hoist equipment is generally multi-rope friction hoist system, and wherein mine hoisting container is elevated by multiple steel rope.Mine hoist equipment often consumes a large amount of steel ropes every year, along with the continuous increase of mine hoisting amount and hoisting depth, the problem that the service life of mine hoisting steel cable (comprising balance tail rope) is partially short is more and more serious, at some mine mine, rope service-life problem even becomes the key factor of restriction mine capacity.
Summary of the invention
The application makes the discovery of the following fact and problem based on contriver: contriver finds, the reason that the life-span of the steel rope of mine hoist equipment is short is mainly the desired location point of steel rope or makes a reservation for easily occur what local fatigue caused in a bit of region, and these desired locations are relevant with the position of deceleration point with the lifting acceleration point of steel rope.In other words, it is known that, the operational process of the lifting container of mine hoist equipment normally promotes and accelerates to predetermined speed, then at the uniform velocity rises, finally running slowly, all run with fixing velocity diagram because lifting container is each, namely the lifting acceleration point of lifting container and the position of deceleration point are fixed, therefore steel rope is caused to occur local fatigue in desired location point or predetermined a bit of region, steel rope is caused to damage, have impact on the life-span of steel rope, cause whole steel rope to be discarded, add cost, handling labor etc.
The present invention is intended to solve one of above-mentioned technical matters of the prior art at least to a certain extent.For this reason, one object of the present invention is to propose a kind of mine hoist equipment adopting the velocity diagram of dynamically changeable to run, because mine hoist equipment runs with the velocity diagram of dynamically changeable, therefore the lifting acceleration point of the lifting container of mine hoist equipment and the position of deceleration point can change with predetermined period, thus avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
To achieve these goals, embodiments of the invention propose a kind of mine hoist equipment, comprising: lifting container; Steel rope, described steel rope is connected with described lifting container; Gig, described gig is connected with described steel rope, is elevated described lifting container for driving described steel rope in pit shaft; And controller, described controller is connected the acceleration/accel controlled on the velocity curve of described lifting container and changes a little and at least one change a little of deceleration/decel changes with predetermined time interval with described gig.
According to the mine hoist equipment of the embodiment of the present invention, because mine hoist equipment runs with the velocity diagram of dynamically changeable, therefore the lifting acceleration point of the lifting container of mine hoist equipment and the position of deceleration point can change with predetermined time interval, thus avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
In addition, mine hoist equipment according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, described acceleration/accel change point and deceleration/decel change point all change with described predetermined time interval.
In some instances, described predetermined time interval is the ascending and descending process of described lifting container in described pit shaft.
In some instances, to be that the time of run of described lifting container is accumulative reach 1 day to described predetermined time interval.
In some instances, also comprise and to be connected with described controller and for the deceleration limit point switch of the position reduced speed now at the latest of determining described lifting container.
In some instances, described deceleration limit point switch be magnetic induction switch, photoelectric switch or the location point determined according to the position signal that described controller provides.
In some instances, also comprise and to be connected with described controller and the deceleration initial point switch allowing the position reduced speed now for determining described lifting container.
In some instances, described deceleration initial point switch is magnetic induction switch or photoelectric switch.
In some instances, the uphill process of described lifting container in described pit shaft and the velocity curve of each in decline process comprise an acceleration/accel change point and two change points that slow down.
In some instances, the uphill process of described lifting container in described pit shaft and the velocity curve of each in decline process comprise two acceleration/accels change points and two change points that slow down.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of mine hoist equipment according to an embodiment of the invention;
Fig. 2 is the application schematic diagram of mine hoist equipment in mine according to an embodiment of the invention;
Fig. 3 is the application schematic diagram of mine hoist equipment in mine in accordance with another embodiment of the present invention;
Fig. 4 a be traditional there are 5 Stage Speed Diagrams of Main Wells and promote the schematic diagram of the velocity curve that acceleration point and deceleration point are fixed;
Fig. 4 b be according to an embodiment of the invention mine hoist equipment adopt the schematic diagram of the velocity curve with 5 Stage Speed Diagrams of Main Wells;
Fig. 5 a be traditional there are 7 Stage Speed Diagrams of Main Wells and promote the schematic diagram of the velocity curve that acceleration point and deceleration point are fixed; And
Fig. 5 b be according to an embodiment of the invention mine hoist equipment adopt the schematic diagram of the velocity curve with 7 Stage Speed Diagrams of Main Wells,
Reference numeral: mine hoist equipment 100, lifting container 110, steel rope 120, gig 130, controller 140, headframe 1, derrick 2, point station 3, head sheave 4, deceleration limit point 5, deceleration initial point 6, pit shaft 7, winding houses 8.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of the instruction such as " conter clockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below in conjunction with accompanying drawing, the mine hoist equipment according to the embodiment of the present invention is described.
Fig. 1 is the schematic diagram of mine hoist equipment according to an embodiment of the invention.As shown in Figure 1, mine hoist equipment 100 according to an embodiment of the invention, comprising: lifting container 110, steel rope 120, gig 130 and controller 140.Wherein, lifting container 110 such as skip bucket, cage, mine car and well-bucket etc.
Particularly, shown in composition graphs 2 and Fig. 3, steel rope 120 is connected with lifting container 110.Gig 130 is connected with steel rope 120, is elevated lifting container 110 for driving steel rope 120 in pit shaft.Controller 140 is connected with gig 130 and changes a little with the acceleration/accel controlled on the velocity curve of lifting container 110 and at least one change a little of deceleration/decel changes with predetermined time interval.
As shown in figures 4 a and 4b, the uphill process of lifting container 110 in pit shaft and the velocity curve of each in decline process comprise an acceleration/accel change point and two deceleration/decels change points.Wherein, Fig. 4 a show a kind of traditional there are 5 Stage Speed Diagrams of Main Wells and mine hoist acceleration changes point and deceleration/decel changes the velocity curve that point fixes.Fig. 4 b show a kind of mine hoist equipment according to an embodiment of the invention adopt the velocity curve with 5 Stage Speed Diagrams of Main Wells.Can find out from Fig. 4 a and Fig. 4 b, 5 stages are respectively AB, BC, CD, DE and EF, wherein, the AB stage is the stage that lifting container 110 carries out accelerating, and the BC stage is travel at the uniform speed stage that travels at the uniform speed that first time slowed-down stage that stage, CD stage be lifting container 110, DE stage be lifting container 110, EF stage of lifting container 110 is the second time slowed-down stage of lifting container 110.
In addition, as can be seen from Fig. 4 a, the initial point in each stage and time point corresponding to end point are fixed, and in other words, acceleration/accel changes the time point that point and deceleration/decel change some correspondence to be fixed.And as can be seen from Fig. 4 b, the initial point in CD stage and time point corresponding to end point fixing (change), as can be seen from Fig. 4 a and Fig. 4 b, in a cycle of run of lifting container 110, the time point of A point and F point correspondence can be fixed.
Thus, when adopting the velocity diagram as shown in Figure 4 b of the embodiment of the present invention to be elevated lifting container 110, due in each predetermined period, the initial point in CD stage (i.e. decelerating phase) and the time of end point are not fixed, so lifting container 110 is in the initial time of slowing down and end time different, namely the reference position of the deceleration of lifting container 110 is different with end position.
Therefore, effectively can avoid steel rope 120 certain a bit or certain a bit ofly there is local fatigue, cause steel rope to damage, have impact on the life-span of steel rope, cause whole steel rope discarded, add cost, handling labor etc.And run with the velocity diagram of dynamically changeable due to the mine hoist equipment of the embodiment of the present invention, therefore the lifting acceleration point of the lifting container of mine hoist equipment and the position of deceleration point can change with predetermined time interval, thus avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
In another example of the present invention, as shown in Fig. 5 a, Fig. 5 b, the uphill process of lifting container 110 in described pit shaft and the velocity curve of each in decline process comprise two acceleration/accels and change point and two change points that slow down.Wherein, Fig. 5 a show a kind of traditional there are 7 Stage Speed Diagrams of Main Wells and promote acceleration point and the fixing velocity curve of deceleration point.Fig. 5 b show a kind of mine hoist equipment according to an embodiment of the invention adopt the velocity curve with 7 Stage Speed Diagrams of Main Wells.Can find out from Fig. 5 a and Fig. 5 b, 7 stages are respectively AB, BC, CD, DE, EF, FG and GH, wherein, the AB stage is the stage that lifting container 110 carries out accelerating, the BC stage is travel at the uniform speed stage that travels at the uniform speed that second time Accelerating running stage that stage, CD stage be lifting container 110, DE stage be lifting container 110, EF stage of lifting container 110 is the slowed-down stage of lifting container 110, the FG stage is traveling at the uniform speed the stage of lifting container 110, and the GH stage is the second time slowed-down stage of lifting container 110.
In addition, as can be seen from Fig. 5 a, the initial point in each stage and time point corresponding to end point are fixed, and in other words, acceleration/accel changes the time point that point and deceleration/decel change some correspondence to be fixed.And as can be seen from Fig. 5 b, the initial point in CD stage and EF stage and time point corresponding to end point fixing (change), as can be seen from Fig. 5 a and Fig. 5 b, in a cycle of run of lifting container 110, the time point of A point and H point correspondence can be fixed.
Thus, when adopting the velocity diagram as shown in Figure 5 b of the embodiment of the present invention to be elevated lifting container 110, due in each predetermined period, the initial point in CD stage (i.e. acceleration phase) and the time of end point are not fixed, and the initial point in EF stage (i.e. decelerating phase) and the time of end point do not fix, so lifting container 110 is different in the acceleration in CD stage and the initial time of the deceleration in EF stage and end time, namely lifting container 110 is different with end position with the reference position of deceleration in the acceleration in above-mentioned two stages.
Therefore, effectively can avoid steel rope 120 certain a bit or certain a bit ofly there is local fatigue, cause steel rope to damage, have impact on the life-span of steel rope, cause whole steel rope discarded, add cost, handling labor etc.And run with the velocity diagram of dynamically changeable due to the mine hoist equipment of the embodiment of the present invention, therefore the lifting acceleration point of the lifting container of mine hoist equipment and the position of deceleration point can change with predetermined time interval, thus avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
In one embodiment of the invention, acceleration/accel change point and deceleration/decel change point all change with predetermined time interval.Wherein, predetermined time interval is the ascending and descending process of lifting container 110 in pit shaft.Namely after the rise and fall of lifting container 110 in pit shaft complete, just reference position and end position that acceleration/accel changes point and deceleration/decel change point is changed, thus effectively avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
In other example of the present invention, the time of run that predetermined time interval also can be lifting container 110 adds up to reach 1 day.Namely after the time of run of lifting container 110 adds up to reach 1 day, just reference position and end position that acceleration/accel changes point and deceleration/decel change point is changed, also effectively can avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
Composition graphs 2 and Fig. 3, mine hoist equipment 100 also comprises and to be connected with controller 140 and for the deceleration limit point switch of the position reduced speed now at the latest of determining lifting container 110.Thus can accurately determine lifting container 110 slow down allow the latest start position, to prevent safety misadventure.
In the examples described above, deceleration limit point switch for but the location point being not limited to magnetic induction switch, photoelectric switch or determining according to the position signal that controller 140 provides.
Composition graphs 2 and Fig. 3 again, mine hoist equipment 100 also comprises and to be connected with controller 140 and the deceleration initial point switch allowing the position reduced speed now for determining lifting container 110.Thus accurately can determine that lifting container 110 allows the position reduced speed now, lifting container 110 can be doubled as and form synchro switch use.Wherein, deceleration initial point switch is but is not limited to magnetic induction switch or photoelectric switch.
According to the mine hoist equipment of the embodiment of the present invention, because mine hoist equipment runs with the velocity diagram of dynamically changeable, therefore the lifting acceleration point of the lifting container of mine hoist equipment and the position of deceleration point can change with predetermined period, thus avoid easily occurring local fatigue in the desired location of the steel rope of lifting container point or presumptive area, improve the bulk life time of steel rope.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification sheets or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a mine hoist equipment, is characterized in that, comprising:
Lifting container;
Steel rope, described steel rope is connected with described lifting container;
Gig, described gig is connected with described steel rope, is elevated described lifting container for driving described steel rope in pit shaft; With
Controller, described controller is connected the acceleration/accel controlled on the velocity curve of described lifting container and changes a little and at least one change a little of deceleration/decel changes with predetermined time interval with described gig.
2. mine hoist equipment according to claim 1, is characterized in that, described acceleration/accel changes point and deceleration/decel change point all changes with described predetermined time interval.
3. mine hoist equipment according to claim 1 and 2, is characterized in that, described predetermined time interval is the ascending and descending process of described lifting container in described pit shaft.
4. mine hoist equipment according to claim 1 and 2, is characterized in that, described predetermined time interval is that the time of run of described lifting container adds up to reach 1 day.
5. mine hoist equipment according to claim 1, is characterized in that, also comprises being connected with described controller and for the deceleration limit point switch of the position reduced speed now at the latest of determining described lifting container.
6. mine hoist equipment according to claim 5, is characterized in that, described deceleration limit point switch is magnetic induction switch, photoelectric switch or the location point determined according to the position signal that described controller provides.
7. mine hoist equipment according to claim 1, is characterized in that, also comprises and to be connected with described controller and the deceleration initial point switch allowing the position reduced speed now for determining described lifting container.
8. mine hoist equipment according to claim 7, is characterized in that, described deceleration initial point switch is magnetic induction switch or photoelectric switch.
9. mine hoist equipment according to claim 1, is characterized in that, the uphill process of described lifting container in described pit shaft and the velocity curve of each in decline process comprise an acceleration/accel and change point and two change points that slow down.
10. mine hoist equipment according to claim 1, is characterized in that, the uphill process of described lifting container in described pit shaft and the velocity curve of each in decline process comprise two acceleration/accels and change point and two change points that slow down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310295867.XA CN103434900B (en) | 2013-07-15 | 2013-07-15 | Mine hoist equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310295867.XA CN103434900B (en) | 2013-07-15 | 2013-07-15 | Mine hoist equipment |
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| CN103434900A CN103434900A (en) | 2013-12-11 |
| CN103434900B true CN103434900B (en) | 2015-10-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803243A (en) * | 2015-04-22 | 2015-07-29 | 中煤电气有限公司 | Controlling system for well building elevator |
| CN107601244B (en) * | 2017-09-18 | 2019-04-16 | 枣庄矿业（集团）有限责任公司蒋庄煤矿 | The control method of friction type winder variable deceleration point based on variable load |
| CN108128684A (en) * | 2017-12-29 | 2018-06-08 | 郑州智谷工业技术有限公司 | A kind of underground mine safety riser |
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| CN101016134A (en) * | 2006-02-08 | 2007-08-15 | 株式会社日立制作所 | Elevator |
| CN203582205U (en) * | 2013-07-15 | 2014-05-07 | 铜陵有色金属集团股份有限公司 | Mine hoisting equipment |
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| JPH01144392A (en) * | 1987-11-28 | 1989-06-06 | Shinko Electric Co Ltd | Digital type variable speed controller for inverter |
| JPH05306074A (en) * | 1992-05-06 | 1993-11-19 | Mitsubishi Electric Corp | Controller for elevator |
| JP3260070B2 (en) * | 1996-02-21 | 2002-02-25 | フジテック株式会社 | AC elevator control device |
| JP2009012903A (en) * | 2007-07-03 | 2009-01-22 | Mitsubishi Electric Building Techno Service Co Ltd | Device and method for inspecting component strand disconnection of elevator wire rope |
| JP2010168139A (en) * | 2009-01-21 | 2010-08-05 | Hitachi Ltd | Elevator control device |
| JP5345595B2 (en) * | 2010-09-16 | 2013-11-20 | 株式会社日立ビルシステム | Diagnostic device for elevator drive |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016134A (en) * | 2006-02-08 | 2007-08-15 | 株式会社日立制作所 | Elevator |
| CN203582205U (en) * | 2013-07-15 | 2014-05-07 | 铜陵有色金属集团股份有限公司 | Mine hoisting equipment |
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