CN103954469B - A kind of elevating mechanism of Sampling Machine - Google Patents
A kind of elevating mechanism of Sampling Machine Download PDFInfo
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- CN103954469B CN103954469B CN201410177148.2A CN201410177148A CN103954469B CN 103954469 B CN103954469 B CN 103954469B CN 201410177148 A CN201410177148 A CN 201410177148A CN 103954469 B CN103954469 B CN 103954469B
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Abstract
The invention provides a kind of elevating mechanism of Sampling Machine, this elevating mechanism comprises: bracing frame; Be arranged on the scissor device on bracing frame; Be arranged on bracing frame, and the three-in-one speed reduction unit that scissor device can be driven flexible, three-in-one speed reduction unit drives scissor device to stretch by screw pair; Be arranged on the track-type facilities on bracing frame; Be arranged on track-type facilities, and slide on track-type facilities under the drive of scissor device, with the flexible carriage playing guide effect to scissor device, sampling thief is arranged on described carriage.In the present invention, the lifting of sampling thief is realized by scissor device, the structure of scissor device is fairly simple, and small volume after storage, the more important thing is and adopt screw pair to carry out transmission, when scissor device occurs to lose efficacy, out-of-work screw pair inherently has auto-lock function, greatly reduce security risk, for the normal work of Sampling Machine provides further guarantee.
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 concentrate, coke, wood chip enter factory, all need to adopt Sampling Machine to sample it, can the sample being sampled material by the gross be represented to obtain testing result.
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 to be stressed the reasons such as influence of fluctuations is large, so need the Hydraulic service personnel being equipped with specialty due to complex structure, working effect; This kind of elevating mechanism does not have self-locking device, when hydraulic push rod occurs to lose efficacy, under the Passive sampler Action of Gravity Field of Sampling Machine, easily makes hydraulic push rod meet accident movement, there is potential safety hazard; When hydraulic push rod stroke is longer, to guide piece, (this guide piece is parts hydraulic push rod being played when mobile to guide effect, with make hydraulic push rod according to setting direction move) accuracy requirement too high, add 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; Be assembled to the sampling small car base of frame of Sampling Machine by movable sprocket after, sampling material is trickled down on sprocket wheel often, easily causes chain to jump the phenomenon such as tooth, de-tooth; This kind of elevating mechanism does not arrange self-locking device equally, when deceleration occurs to lose efficacy, under the Passive sampler Action of Gravity Field of Sampling Machine, there is 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 is easily wound around under wire rope self effect of stress, and lifting Passive part cannot realize 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 obtain optimization further.
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 scissor device on support frame as described above;
Be arranged on support frame as described above, and the three-in-one speed reduction unit that described scissor device can be driven flexible, described three-in-one speed reduction unit drives described scissor device to stretch by screw pair;
Be arranged on the track-type facilities on support frame as described above;
Be arranged on described track-type facilities, and guiding slip on described track-type facilities under the drive of described scissor device, with the flexible carriage playing guide effect to described scissor 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, and described scissor device, described three-in-one speed reduction unit, described track-type facilities and described carriage are all arranged in the inner space that described rectangle frame support body surrounds.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described scissor device comprises interior scissor arm and outer scissor arm, and whole described interior scissor arms and outer scissor arm are connected in hinged mode and formed multiple parallelogram.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, the nut of described screw pair is fixed on described scissor device, and is positioned at the connecting portion of two parallelogram near 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 taper roll bearing.
Preferably, in the elevating mechanism of above-mentioned Sampling Machine, described track-type facilities comprises T-type elevator guide rail 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-type elevator guide rail are provided with the stopper stopping 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, the miscellaneous part of this bracing frame to elevating mechanism is played a supporting role, be arranged on the scissor device that bracing frame also can realize stretch, elevating mechanism is by the flexible realization lifting of scissor device, this scissor device is using three-in-one speed reduction unit as power part, screw pair realizes automatic telescopic as drive disk assembly, and scissor device is connected with carriage, this carriage is slidably arranged on track-type facilities, when scissor device dilatation, carriage slides under the drive of scissor device on track-type facilities, thus under coordinate of carriage with track-type facilities, guide effect is played to the flexible of scissor device, again because sampling thief is arranged on carriage, so scissor device can drive sampling thief to move when flexible, realize sampling operation.The elevating mechanism of Sampling Machine provided by the invention, the lifting of sampling thief is realized by scissor device, the structure of scissor device is fairly simple, and small volume after storage, in telescopic process, start and stop steady, nothing impact, the probability broken down is relatively low, the more important thing is and adopt screw pair to carry out transmission, when scissor device occurs to lose efficacy, out-of-work screw pair inherently has auto-lock function, greatly reduce security risk, for the normal work of Sampling Machine provides further guarantee.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
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 the scissor device of elevating mechanism stretches.
In above Fig. 1-Fig. 4:
Sampling thief 1, bracing frame 2, scissor 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 obtain optimization further.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained 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 the scissor device 3 on bracing frame 2;
Be fixed on bracing frame 2, and the three-in-one speed reduction unit 4 that scissor device 3 can be driven flexible, three-in-one speed reduction unit 4 drives scissor device 3 to stretch by screw pair;
Be arranged on the track-type facilities 5 on bracing frame 2;
Be arranged on track-type facilities 5, and guiding slip on track-type facilities 5 under the drive of scissor device 3, with the flexible carriage 6 playing guide effect to scissor 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 this bracing frame 2 pairs of elevating mechanisms is played a supporting role, be arranged on the scissor device 3 that bracing frame 2 also can realize stretch, elevating mechanism is by the flexible realization lifting of scissor device 3, this scissor device 3 is using three-in-one speed reduction unit 4 as power part, leading screw 8 nut 7 pair realizes automatic telescopic as drive disk assembly, and scissor device 3 is connected with carriage 6, this carriage 6 is slidably arranged on track-type facilities 5, when scissor device 3 dilatation, carriage 6 slides under the drive of scissor device 3 on track-type facilities 5, thus under coordinate of carriage 6 with track-type facilities 5, guide effect is played to the flexible of scissor device 3, again because sampling thief 1 is arranged on carriage 6, so scissor device 3 can drive sampling thief 1 to move when flexible, realize sampling operation.
The elevating mechanism of the elevating mechanism Sampling Machine of the Sampling Machine that the present embodiment provides, the lifting of sampling thief 1 is realized by scissor device 3, the structure of scissor device 3 is fairly simple, and small volume after storage, start in telescopic process and stop steadily, without impacting, compared with other several traditional up-down modes, the probability broken down obtains remarkable reduction, the more important thing is and adopt screw pair to carry out transmission, when scissor device 3 occurs to lose efficacy, out-of-work screw pair inherently has auto-lock function, greatly reduce security risk, for the normal work of Sampling Machine provides further guarantee.
In order to optimize technique scheme further, in the elevating mechanism of the Sampling Machine that the present embodiment provides, bracing frame 2 is rectangle frame support body, and scissor device 3, three-in-one speed reduction unit 4, track-type facilities 5 and carriage 6 are all arranged in the inner space that rectangle frame support body surrounds.After scissor device 3 and three-in-one speed reduction unit 4 and leading screw 8 nut 7 pair are assembled into one; hinged with bracing frame 2 again; overallly beat can be there is in scissor device 3, three-in-one speed reduction unit 4 and leading screw 8 nut 7 pair when work is hampered; 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, scissor device 3 is supported as long as can meet, three-in-one speed reduction unit 4, the requirement that track-type facilities 5 and carriage 6 normally 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, beat power can not only be born, support can also be made more stable, fastness is higher, simultaneously also can to scissor device 3, three-in-one speed reduction unit 4, track-type facilities 5 and carriage 6 play a protective role, farthest optimize the support effect of bracing frame 2.Wherein, bracing frame 2 is engraved structure, and to save manufacturing cost, it also can for the structure surrounded by solid side wall certainly.
Concrete, scissor device 3 comprises interior scissor arm and outer scissor arm, and all, scissor arm and outer scissor arm are connected in hinged mode and formed multiple parallelogram.Scissor device 3 is provided with multiple scissor arm, scissor arm is divided into again interior scissor arm and outer scissor arm, all scissor arms adopt articulated manner to be in series, form scissor device 3, scissor device 3 is in flexible process, drive steady, the shock-free upper and lower displacement of the sampling thief 1 be arranged on carriage 6 by the interlock of multiple parallelogram, and sampling thief 1 velocity of displacement is directly proportional to the quantity of parallelogram, thus reaches the effect of speedup and stroke amplification.During off working state, it is little that scissor device 3 draws rear volume in, is convenient to storage.
Preferably, the nut 7 of screw pair is fixed on scissor device 3, and is positioned at the connecting portion of two parallelogram near three-in-one speed reduction unit 4.Concrete, first parallelogram near three-in-one speed reduction unit 4 is provided with the nut 7 with acme thread, this nut 7 is positioned at this parallelogram and the connecting portion of another parallelogram be adjacent, and forms lead screw transmission to coordinate with the leading screw 8 rotated under the driving of three-in-one speed reduction unit 4.Nut 7 is arranged on this position, farthest can reach the effect of speedup and stroke amplification, and under the prerequisite not affecting nut 7 and the normal work of scissor device 3, nut 7 also can be arranged on other positions of scissor 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 operationally, three-in-one speed reduction unit 4 drives leading screw 8 to rotate, the length of leading screw 8 and the flexible run length code matching of scissor device 3, leading screw 8 rotarily drives and is fixed on nut 7 on scissor arm along leading screw 8 axially-movable, scissor device 3 is driven to carry out dilatation, under the drive of scissor device 3, the sampling thief 1 be arranged on carriage 6 realizes 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, scissor device 3 stops flexible, under sampling thief 1 has constant weight situation, for avoiding occurring to stretch, so the kind of drive to be designed to the screw pair kind of drive with auto-lock function because causing scissor device 3 to continue under sampling thief 1 Action of Gravity Field, when thread pressure angle is greater than angle of friction, form self-locking.And the screw thread on leading screw 8 and nut 7 is set to square thread, be then to improve self-locking effect further.When three-in-one speed reduction unit 4 quits work, scissor device 3 is in self-locking state all the time, and can not meet accident due to the gravity of sampling thief 1 the flexible movement causing sampling thief 1, forms self-lock protection, prevent Passive part sampling thief 1 from gliding because of deadweight.This scissor-type lifting mechanism simple structure, pack up after take up room little, there is auto-lock function, the upper and lower lifting of sampling thief 1 in Sampling Machine can be met, again can the effect playing self-locking when drive system lost efficacy, improve 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 is fixed on the top of bracing frame 2 by bearing seat 10, and (bracing frame 2 is operationally 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 most significant end on vertical direction herein), the output shaft of three-in-one speed reduction unit 4 is connected with the leading screw 8 of screw pair.Three-in-one speed reduction unit 4 is fixed on above bearing seat 10, and bearing seat 10 is hinged and realizes in the horizontal direction mutually locating, three-in-one speed reduction unit 4 output shaft connection trapezoidal threaded lead screw 8 with scissor device 3.
As shown in Figure 1, Figure 2 and Figure 4, track-type facilities 5 and carriage 6 are two groups, often overlap the track-type facilities 5 that cooperatively interacts and carriage 6 is separately positioned on two opposite faces of rectangle frame support body.Wherein, track-type facilities 5 comprises T-type elevator guide rail 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 is by leading boots pedestal and elevator guide shoe combines, track-type facilities 5 is made up of T-type elevator guide rail and track-fixed base, two groups of carriages 6 are fixedly installed the both sides of sampling thief framework 9 respectively, under the effect of three-in-one speed reduction unit 4 and scissor 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 run length code matching track-type facilities 5.And the two ends of the T-type elevator guide rail at guide rail mechanism at track-type facilities 5, are provided with the stopper stopping that carriage 6 and track-type facilities 5 depart from, depart from case sliding stop device 6 and track-type facilities 5 meet accident, thus better protect sampling thief 1.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments 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 scissor device on support frame as described above;
Be arranged on support frame as described above, and the three-in-one speed reduction unit that described scissor device can be driven flexible, described three-in-one speed reduction unit drives described scissor device to stretch by screw pair;
Be arranged on the track-type facilities on support frame as described above;
Be arranged on described track-type facilities, and guiding slip on described track-type facilities under the drive of described scissor device, with the flexible carriage playing guide effect to described scissor device, the sampling thief of described Sampling Machine is arranged on described carriage.
2. the elevating mechanism of Sampling Machine according to claim 1, it is characterized in that, support frame as described above is rectangle frame support body, and described scissor device, described three-in-one speed reduction unit, described track-type facilities and described carriage are all arranged in the inner space that described rectangle frame support body surrounds.
3. the elevating mechanism of Sampling Machine according to claim 1, is characterized in that, described scissor device comprises interior scissor arm and outer scissor arm, and whole described interior scissor arms and outer scissor arm are connected in hinged mode and formed multiple parallelogram.
4. the elevating mechanism of Sampling Machine according to claim 3, is characterized in that, the nut of described screw pair is fixed on described scissor device, and is positioned at the connecting portion of two parallelogram near described three-in-one speed reduction unit.
5. the elevating mechanism of 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, the output shaft of described three-in-one speed reduction unit is connected with the leading screw of described screw pair.
6. the elevating mechanism of 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 taper roll bearing.
7. according to the elevating mechanism of the Sampling Machine in claim 1-6 described in any one, it is characterized in that, described track-type facilities comprises T-type elevator guide rail 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. the elevating mechanism of Sampling Machine according to claim 7, is characterized in that, the two ends of described T-type elevator guide rail are provided with the stopper stopping that described carriage and described track-type facilities depart from.
9. the elevating mechanism of 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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| CN201410177148.2A CN103954469B (en) | 2014-04-29 | 2014-04-29 | A kind of elevating mechanism of Sampling Machine |
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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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| CN103954469B true CN103954469B (en) | 2016-03-16 |
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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 |
| CN105675342B (en) * | 2016-01-20 | 2019-02-15 | 广东工业大学 | The two-way drawing out soil equipment of packaged type |
| CN105738149B (en) * | 2016-03-28 | 2018-11-16 | 湖北叶威（集团）粮油机械有限公司 | Grain sampler |
| CN107144445B (en) * | 2017-04-21 | 2019-07-02 | 中国水利水电科学研究院 | A kind of water sample collection location device |
| 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 |
| 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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Address after: 410100 Changsha Province Economic and Technological Development Zone, Changsha, No. 99 Tong Tong Road, Hunan Patentee after: HUNAN WANTONG TECHNOLOGY CO., LTD. Address before: 410100 No. 99 screw Road, Changsha economic and Technological Development Zone, Hunan, China Patentee before: Hunan Wan Tong Science and Technology Ltd. |
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Denomination of invention: A lifting mechanism of sampling machine Effective date of registration: 20220524 Granted publication date: 20160316 Pledgee: Hunan Xingsha Rural Commercial Bank Co.,Ltd. quantang sub branch Pledgor: HUNAN WANTONG TECHNOLOGY Co.,Ltd. Registration number: Y2022980005184 |