CN103954469A - Lifting mechanism of sampling machine - Google Patents
Lifting mechanism of sampling machine Download PDFInfo
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- CN103954469A CN103954469A CN201410177148.2A CN201410177148A CN103954469A CN 103954469 A CN103954469 A CN 103954469A CN 201410177148 A CN201410177148 A CN 201410177148A CN 103954469 A CN103954469 A CN 103954469A
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- fork device
- sampling machine
- speed reduction
- track
- reduction unit
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Abstract
The invention provides a lifting mechanism of a sampling machine. The lifting mechanism comprises a support frame, a scissors fork device arranged on the support frame, a three-in-one reducer, a guide rail device arranged on the support frame, and a sliding device, wherein the three-in-one reducer is arranged on the support frame and can drive the scissors fork device to stretch; the three-in-one reducer drives the scissors fork device to stretch through a lead screw nut pair; the sliding device is arranged on the guide rail device and slides on the guide rail device under drive of the scissors fork device so as to achieve a guide effect on stretching of the scissors fork device; a sampler is arranged on the sliding device. The sampler is lifted through the scissors fork device, the scissors fork device is simple in structure and small in size after being folded, more importantly, the scissors fork device is driven by adopting the lead screw nut. When the scissors fork device fails, the lead screw nut which stops working has a self-locking function, so that the safety risk is greatly reduced, and a further guarantee is provided for normal operation of the sampling machine.
Description
Technical field
The present invention relates to sample devices technical field, more particularly, relate to a kind of elevating mechanism of Sampling Machine.
Background technology
When the staple commodities materials such as coal, iron fine powder, coke, wood chip enter factory, all need to adopt Sampling Machine to sample it, to obtain testing result, can represent the sample that is sampled by the gross material.
At present, Sampling Machine is divided into three kinds with the unusual of elevating mechanism.The elevating mechanism of the elevating mechanism of the first Sampling Machine is the hydraulic push rod kind of drive, and the elevating mechanism of this kind of mode is due to complex structure, the working effect reasons such as influence of fluctuations is large that are stressed, so need to be equipped with professional hydraulic pressure maintainer; This kind of elevating mechanism do not have self-locking device, when hydraulic push rod occur to lose efficacy, under the Passive sampler Action of Gravity Field of Sampling Machine, easily makes the hydraulic push rod movement that meets accident, and has potential safety hazard; When hydraulic push rod stroke is longer, too high to the accuracy requirement of guide piece (this guide piece is for hydraulic push rod being played when mobile to the parts of guide effect, so that hydraulic push rod moves according to the direction of setting), increased the difficulty of processing of parts.The elevating mechanism of the second Sampling Machine is the chain lifting kind of drive, and this kind of mode is when lifting travel is longer, and the height placement direction of chain needs larger space; By movable sprocket, be assembled to after the sampling small car base of frame of Sampling Machine, sampling material is trickled down on sprocket wheel often, easily causes chain to jump the phenomenons such as tooth, de-tooth; This kind of elevating mechanism do not arrange self-locking device equally, when deceleration occurs to lose efficacy, under the Passive sampler Action of Gravity Field of Sampling Machine, has potential safety hazard.The third elevating mechanism is the wire rope lifting kind of drive, this kind of kind of drive poor reliability, and wire rope easily ruptures, and under wire rope self effect of stress, is easily wound around, and lifting Passive part cannot be realized self-locking equally when emergency case.
Therefore, how optimizing the working effect of Sampling Machine elevating mechanism, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of elevating mechanism of Sampling Machine, it,, by the improvement to elevating mechanism, makes the working effect of Sampling Machine elevating mechanism further obtain optimization.
In order to achieve the above object, the invention provides following technical scheme:
An elevating mechanism for Sampling Machine, wherein, this elevating mechanism comprises:
Bracing frame;
Be arranged on the fork device of cutting on support frame as described above;
Be arranged on support frame as described above, and described in can driving, cut the flexible three-in-one speed reduction unit of fork device, described in described three-in-one speed reduction unit drives by screw pair, cut fork device flexible;
Be arranged on the track-type facilities on support frame as described above;
Be arranged on described track-type facilities, and under described drive of cutting fork device on described track-type facilities guiding slide, with to the described flexible carriage that plays guide effect of cutting fork device, the sampling thief of described Sampling Machine is arranged on described carriage.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, support frame as described above is rectangle frame support body, described in cut fork device, described three-in-one speed reduction unit, described track-type facilities and described carriage and be all arranged in the inner space that described rectangle frame support body surrounds.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described in cut fork device and cut yoke and cut yoke outward in comprising, cut yoke in all described and cut yoke outward with the hinged mode a plurality of parallelogram of formation of connecting.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described in the nut of described screw pair is fixed on, cut on fork device, and be positioned at the connecting portion near two parallelogram of described three-in-one speed reduction unit.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described three-in-one speed reduction unit is three-in-one speed reduction unit, and described three-in-one speed reduction unit is fixed on the top of support frame as described above by bearing seat, and the output shaft of described three-in-one speed reduction unit is connected with the leading screw of described screw pair.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, the leading screw of described screw pair is square thread leading screw, and is arranged on described bearing seat by a pair of taper roll bearing.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described track-type facilities comprises T-shaped cage guide and track-fixed base; Described carriage comprises leads boots pedestal and elevator guide shoe, and described sampling thief is connected with described elevator guide shoe by sampling thief framework.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, the two ends of described T-shaped cage guide are provided with the stopper that stops that described carriage and described track-type facilities depart from.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described track-type facilities and described carriage are two groups, and are separately positioned on two opposite faces of described rectangle frame support body.
In the elevating mechanism of Sampling Machine provided by the invention, its elevating mechanism comprises bracing frame, this bracing frame is played a supporting role to the miscellaneous part of elevating mechanism, be arranged on bracing frame and can realize the flexible fork device of cutting, elevating mechanism is flexiblely realized lifting by what cut fork device, this is cut fork device and usings three-in-one speed reduction unit as power part, screw pair is realized automatic telescopic as drive disk assembly, and cutting fork device is connected with carriage, this carriage is slidably arranged on track-type facilities, when cutting fork device dilatation, carriage slides under the drive of cutting fork device on track-type facilities, thereby to what cut fork device, flexiblely play guide effect under the cooperation of carriage and track-type facilities, again because sampling thief is arranged on carriage, so cut fork device, when flexible, can drive sampling thief to move, realize sampling operation.The elevating mechanism of Sampling Machine provided by the invention, by cutting fork device, realize the lifting of sampling thief, the structure of cutting fork device is fairly simple, and take in rear small volume, in telescopic process, start and stop steady, nothing impact, the probability breaking down is relatively low, the more important thing is and adopt screw pair to carry out transmission, when cutting fork device generation inefficacy, itself just has auto-lock function out-of-work screw pair, greatly reduce security risk, for the normal work of Sampling Machine provides further assurance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The front view of the elevating mechanism of the Sampling Machine that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the left pseudosection of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the front view after fork device stretches of cutting of elevating mechanism.
In above Fig. 1-Fig. 4:
Sampling thief 1, bracing frame 2, cut fork device 3, three-in-one speed reduction unit 4, track-type facilities 5, carriage 6, nut 7, leading screw 8, sampling thief framework 9, bearing seat 10, taper roll bearing 11.
Embodiment
The invention provides a kind of elevating mechanism of Sampling Machine, it,, by the improvement to elevating mechanism, makes the working effect of Sampling Machine elevating mechanism further obtain optimization.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-Figure 4, the elevating mechanism of the Sampling Machine that the embodiment of the present invention provides, wherein, this elevating mechanism comprises:
Bracing frame 2;
Be arranged on and cut fork device 3 on bracing frame 2;
Be fixed on bracing frame 2, and can drive and cut the flexible three-in-one speed reduction unit 4 of fork device 3, three-in-one speed reduction unit 4 is driven and is cut fork device 3 and stretch by screw pair;
Be arranged on the track-type facilities 5 on bracing frame 2;
Be arranged on track-type facilities 5, and under the drive of cutting fork device 3 on track-type facilities 5 guiding slide, with to cutting the flexible carriage 6 that plays guide effect of fork device 3, the sampling thief 1 of Sampling Machine is arranged on carriage 6.
In the elevating mechanism of the Sampling Machine that the present embodiment provides, its elevating mechanism comprises bracing frame 2, the miscellaneous part of 2 pairs of elevating mechanisms of this bracing frame is played a supporting role, be arranged on bracing frame 2 and can realize the flexible fork device 3 of cutting, elevating mechanism is flexiblely realized lifting by what cut fork device 3, this is cut fork device 3 and usings three-in-one speed reduction unit 4 as power part, leading screw 8 nut 7 pairs realize automatic telescopic as drive disk assembly, and cutting fork device 3 is connected with carriage 6, this carriage 6 is slidably arranged on track-type facilities 5, when cutting fork device 3 dilatation, carriage 6 slides under the drive of cutting fork device 3 on track-type facilities 5, thereby to what cut fork device 3, flexiblely play guide effect under the cooperation of carriage 6 and track-type facilities 5, again because sampling thief 1 is arranged on carriage 6, so cut fork device 3, when flexible, can drive sampling thief 1 to move, realize sampling operation.
The elevating mechanism of the elevating mechanism Sampling Machine of the Sampling Machine that the present embodiment provides, by cutting fork device 3, realize the lifting of sampling thief 1, the structure of cutting fork device 3 is fairly simple, and take in rear small volume, in telescopic process, start and stop steadily, without impacting, compare with other several traditional up-down modes, the probability breaking down has obtained remarkable reduction, the more important thing is and adopt screw pair to carry out transmission, when cutting fork device 3 generation inefficacy, itself just has auto-lock function out-of-work screw pair, greatly reduce security risk, for the normal work of Sampling Machine provides further assurance.
In order further to optimize technique scheme, in the elevating mechanism of the Sampling Machine that the present embodiment provides, bracing frame 2 is rectangle frame support body, cuts fork device 3, three-in-one speed reduction unit 4, track-type facilities 5 and carriage 6 and is all arranged in the inner space that rectangle frame support body surrounds.Cutting fork device 3 is assembled into after one with three-in-one speed reduction unit 4 and leading screw 8 nut 7 pairs; hinged with bracing frame 2 again; cut fork device 3, three-in-one speed reduction unit 4 and leading screw 8 nut 7 pairs, when work is hampered, beat can wholely occur; beat power is delivered on bracing frame 2, better to protect core institution.In the present embodiment, the structure of bracing frame 2 can be various ways, as long as can meet to support and cut fork device 3, three-in-one speed reduction unit 4, the requirement of track-type facilities 5 and carriage 6 normal work, the present embodiment bracing frame 2 is rectangle frame support body as shown in Figure 1-Figure 3, adopt the support body of this kind of structure, and make each parts be arranged in its inner space, not only can bear beat power, can also make to support more stable, fastness is higher, simultaneously also can be to cutting fork device 3, three-in-one speed reduction unit 4, track-type facilities 5 and carriage 6 play a protective role, farthest optimized the support effect of bracing frame 2.Wherein, bracing frame 2 is engraved structure, and to save manufacturing cost, it can be also the structure being surrounded by solid side wall certainly.
Concrete, cut fork device 3 and cut yoke and cut yoke outward in comprising, cut yoke in all and cut yoke outward with the hinged mode a plurality of parallelogram of formation of connecting.Cut fork device 3 and be provided with a plurality of yokes of cutting, cutting yoke cuts yoke and cuts yoke outward in being divided into again, all yokes of cutting adopt articulated manner to be in series, fork device 3 is cut in formation, cut fork device 3 in flexible process, interlock by a plurality of parallelogram drives steady, the shock-free upper and lower displacement of the sampling thief 1 being arranged on carriage 6, and sampling thief 1 velocity of displacement is directly proportional to the quantity of parallelogram, thereby reaches the effect that speedup and stroke amplify.During off working state, cut the rear volume of fork device 3 gathering little, be convenient to take in.
Preferably, the nut 7 of screw pair is fixed on to be cut on fork device 3, and is positioned at the connecting portion near two parallelogram of three-in-one speed reduction unit 4.Concrete, near on first parallelogram of three-in-one speed reduction unit 4, be provided with the nut 7 with acme thread, this nut 7 is positioned at the connecting portion of this parallelogram and another parallelogram being adjacent, with the leading screw 8 mix proportion lead screw transmission of rotating under the driving with at three-in-one speed reduction unit 4.Nut 7 is arranged on this position, can farthest reach the effect that speedup and stroke amplify, and is not affecting nut 7 and is cutting under the prerequisite of fork device 3 normal work, and nut 7 also can be arranged on other positions of cutting fork device 3.
The leading screw 8 of screw pair is square thread leading screw 8, and is arranged on bracing frame 2 by two taper roll bearings 11.Elevating mechanism is when work, three-in-one speed reduction unit 4 drives leading screw 8 rotations, the length of leading screw 8 is mated with the flexible stroke of cutting fork device 3, leading screw 8 rotarily drives and is fixed on the nut 7 cut on yoke along leading screw 8 axially-movables, driving is cut fork device 3 and is carried out dilatation, cutting under the drive of fork device 3, the sampling thief 1 being arranged on carriage 6 is realized upper and lower lifting.When sampling thief 1 is elevated to assigned address, three-in-one speed reduction unit 4 is out of service, leading screw 8 stops operating, cutting fork device 3 stops stretching, at sampling thief 1, have in constant weight situation, for avoiding continuing to occur to stretch because causing cutting fork device 3 under sampling thief 1 Action of Gravity Field, so the kind of drive is designed to have the screw pair kind of drive of auto-lock function, when thread pressure angle is greater than angle of friction, form self-locking.And screw thread on leading screw 8 and nut 7 is set to square thread, be in order further to improve self-locking effect.When three-in-one speed reduction unit 4 quits work, cut fork device 3 all the time in self-locking state, can not meeting accident due to the gravity of the sampling thief 1 flexible movement that causes sampling thief 1, forms self-lock protection, prevents that Passive part sampling thief 1 from gliding because of deadweight.This scissor-type lifting mechanism simple structure, take up room after packing up little, there is auto-lock function, can meet the upper and lower lifting of sampling thief 1 in Sampling Machine, the effect of playing self-locking that again can be when drive system lost efficacy, has improved motive utilization factor.
In the present embodiment, three-in-one speed reduction unit 4 is three-in-one speed reduction unit 4, and three-in-one speed reduction unit 4 by bearing seat 10 be fixed on bracing frame 2 top (bracing frame 2 in when work in vertical state, state as shown in Figure 1, Figure 2 and Figure 4, said top refers to bracing frame 2 and is positioned at the most significant end on vertical direction herein), the output shaft of three-in-one speed reduction unit 4 is connected with the leading screw of screw pair 8.Three-in-one speed reduction unit 4 is fixed on bearing seat 10 tops, and bearing seat 10 is with to cut fork device 3 hinged and realize in the horizontal direction location mutually, and three-in-one speed reduction unit 4 output shafts connect trapezoidal threaded lead screw 8.
As shown in Figure 1, Figure 2 and Figure 4, track-type facilities 5 and carriage 6 are two groups, and the track-type facilities 5 that every cover cooperatively interacts and carriage 6 are separately positioned on two opposite faces of rectangle frame support body.Wherein, track-type facilities 5 comprises T-shaped cage guide and track-fixed base; Carriage 6 comprises leads boots pedestal and elevator guide shoe, and sampling thief 1 is connected with elevator guide shoe by sampling thief framework 9.In the present embodiment, carriage 6 combines by leading boots pedestal and elevator guide shoe, track-type facilities 5 is comprised of T-shaped cage guide and track-fixed base, two groups of carriages 6 are fixedly installed respectively the both sides of sampling thief framework 9, at three-in-one speed reduction unit 4 with cut under the effect of fork device 3, carriage 6 is along the upper and lower lifting displacement of track-type facilities 5, and sampling thief 1 is according to the length of required stroke coupling track-type facilities 5.And at the two ends of the T-shaped cage guide at guide rail mechanism of track-type facilities 5, be provided with the stopper that stops that carriage 6 and track-type facilities 5 depart from, with the disengaging that meets accident of anti-skidding device 6 and track-type facilities 5, thereby better protect sampling thief 1.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an elevating mechanism for Sampling Machine, is characterized in that, this elevating mechanism comprises:
Bracing frame;
Be arranged on the fork device of cutting on support frame as described above;
Be arranged on support frame as described above, and described in can driving, cut the flexible three-in-one speed reduction unit of fork device, described in described three-in-one speed reduction unit drives by screw pair, cut fork device flexible;
Be arranged on the track-type facilities on support frame as described above;
Be arranged on described track-type facilities, and under described drive of cutting fork device on described track-type facilities guiding slide, with to the described flexible carriage that plays guide effect of cutting fork device, the sampling thief of described Sampling Machine is arranged on described carriage.
2. Sampling Machine according to claim 1, it is characterized in that, support frame as described above is rectangle frame support body, described in cut fork device, described three-in-one speed reduction unit, described track-type facilities and described carriage and be all arranged in the inner space that described rectangle frame support body surrounds.
3. Sampling Machine according to claim 1, is characterized in that, described in cut fork device and cut yoke and cut yoke outward in comprising, cut yoke in all described and cut yoke outward with the hinged mode a plurality of parallelogram of formation of connecting.
4. Sampling Machine according to claim 3, is characterized in that, cuts on fork device, and be positioned at the connecting portion near two parallelogram of described three-in-one speed reduction unit described in the nut of described screw pair is fixed on.
5. Sampling Machine according to claim 1, it is characterized in that, described three-in-one speed reduction unit is three-in-one speed reduction unit, and described three-in-one speed reduction unit is fixed on the top of support frame as described above by bearing seat, and the output shaft of described three-in-one speed reduction unit is connected with the leading screw of described screw pair.
6. Sampling Machine according to claim 5, is characterized in that, the leading screw of described screw pair is square thread leading screw, and is arranged on described bearing seat by a pair of taper roll bearing.
7. according to the Sampling Machine described in any one in claim 1-6, it is characterized in that, described track-type facilities comprises T-shaped cage guide and track-fixed base; Described carriage comprises leads boots pedestal and elevator guide shoe, and described sampling thief is connected with described elevator guide shoe by sampling thief framework.
8. Sampling Machine according to claim 7, is characterized in that, the two ends of described T-shaped cage guide are provided with the stopper that stops that described carriage and described track-type facilities depart from.
9. Sampling Machine according to claim 2, is characterized in that, described track-type facilities and described carriage are two groups, and is separately positioned on two opposite faces of described rectangle frame support body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410177148.2A CN103954469B (en) | 2014-04-29 | 2014-04-29 | A kind of elevating mechanism of Sampling Machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177148.2A CN103954469B (en) | 2014-04-29 | 2014-04-29 | A kind of elevating mechanism of Sampling Machine |
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| CN103954469A true CN103954469A (en) | 2014-07-30 |
| CN103954469B CN103954469B (en) | 2016-03-16 |
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Cited By (6)
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| CN105675342A (en) * | 2016-01-20 | 2016-06-15 | 广东工业大学 | Movable bidirectional soil sampling device |
| CN105738149A (en) * | 2016-03-28 | 2016-07-06 | 湖北叶威（集团）粮油机械有限公司 | Grain sampler |
| CN106698248A (en) * | 2015-07-17 | 2017-05-24 | 佛山市禾才科技服务有限公司 | Long guide rail mechanism stable in operation |
| CN107144445A (en) * | 2017-04-21 | 2017-09-08 | 中国水利水电科学研究院 | A kind of water sample collects location device |
| CN107445080A (en) * | 2017-09-28 | 2017-12-08 | 北京航空航天大学 | A kind of wireline pulley rope group synchronous telescopic device of big magnification |
| CN113959787A (en) * | 2021-11-24 | 2022-01-21 | 自然资源部第二海洋研究所 | Sampling device and sampling method for ocean deepwater drilling |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106698248A (en) * | 2015-07-17 | 2017-05-24 | 佛山市禾才科技服务有限公司 | Long guide rail mechanism stable in operation |
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| CN105675342B (en) * | 2016-01-20 | 2019-02-15 | 广东工业大学 | The two-way drawing out soil equipment of packaged type |
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| CN105738149B (en) * | 2016-03-28 | 2018-11-16 | 湖北叶威（集团）粮油机械有限公司 | Grain sampler |
| CN107144445A (en) * | 2017-04-21 | 2017-09-08 | 中国水利水电科学研究院 | A kind of water sample collects location device |
| CN107445080A (en) * | 2017-09-28 | 2017-12-08 | 北京航空航天大学 | A kind of wireline pulley rope group synchronous telescopic device of big magnification |
| CN107445080B (en) * | 2017-09-28 | 2019-09-20 | 北京航空航天大学 | A kind of wireline pulley rope group synchronous telescopic device of big magnification |
| CN113959787A (en) * | 2021-11-24 | 2022-01-21 | 自然资源部第二海洋研究所 | Sampling device and sampling method for ocean deepwater drilling |
| CN113959787B (en) * | 2021-11-24 | 2024-05-24 | 自然资源部第二海洋研究所 | Ocean deepwater drilling sampling equipment and sampling method |
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| Publication number | Publication date |
|---|---|
| CN103954469B (en) | 2016-03-16 |
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