CN103926107A - Sampling mechanism of sampling machine - Google Patents
Sampling mechanism of sampling machine Download PDFInfo
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- CN103926107A CN103926107A CN201410181630.3A CN201410181630A CN103926107A CN 103926107 A CN103926107 A CN 103926107A CN 201410181630 A CN201410181630 A CN 201410181630A CN 103926107 A CN103926107 A CN 103926107A
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Abstract
The invention provides a sampling mechanism of a sampling machine, which is used for sampling a material. The sampling mechanism comprises a sampling barrel capable of stretching into the bottom of the material, a screw rod which is arranged in the sampling barrel, a sample separating device, a collecting hopper and a driving device, wherein the inner cavity of the sample separating device is communicated with the inner cavity of the sampling barrel, and the sample separating device is provided with a plurality of separating holes for uniformly dividing the samples and discharging the samples; the collecting hopper is communicated with one separating hole; the driving device can drive the screw rod to rotate. The sampling barrel and the screw rod are used as sampling parts, so that the entire vertical cross section of the material can be sampled comprehensively, the sampling is not limited to one or several surfaces of the material, the representativeness and reliability of the samples can be improved, and when the samples are collected, the samples are randomly and uniformly divided and collected through the sample separating device, so that the representativeness and reliability of the collected samples can be further improved. Through the improvement of multiple ways, the representativeness and reliability of the samples collected by the sampling machine can be remarkably improved.
Description
Technical field
The present invention relates to sample devices technical field, more particularly, relate to a kind of sampling mechanism of Sampling Machine.
Background technology
In the time that the staple commodities materials such as coal, iron fine powder, coke, wood chip enter factory, all need to adopt Sampling Machine to sample it, can represent to obtain testing result the sample that is sampled by the gross material.
Sampling Machine, in the time of work, need to make its sampling mechanism be inserted in the loose unpacked material being loaded in automobile or railway carriage, to gather material sample.In the prior art, the sample mode of Sampling Machine comprises two points of sample modes of full section, the slotting stratified sampling mode of shake, captures stratified sampling mode and short spiral stratified sampling mode.
Complete two points of sample modes of section are to make the sample unit of sampling mechanism be deep in material, take the sample on the vertical section in compartment, then make sample by the collection that keeps sample of a point sampling device.Wherein, divide sampling device to there are two outlets, the caliber size of these two outlets is not etc., and the sample that a vertical section that gathers material obtains is more, be limited to the volume of aggregate bin (Sampling Machine is for storing the parts of sample), the general discharging opening corresponding setting less with bore of aggregate bin, thereby collect the sample of the discharging opening output less from bore, the sample of the discharging opening output that bore is larger is sent back in compartment again as abandoning sample, this just causes most of sample to be wasted, and due to the caliber size of two outlets not etc., so cannot reaching, the sample of exporting divides equally requirement from two outlets, cause got material representative poor, reliability is also unstable, cannot meet the concerned countries standard of sampling division.
And shake is inserted stratified sampling mode, is captured stratified sampling mode and short spiral stratified sampling mode, all to make sample unit enter into one or several limited aspect of material by different modes, so that material is sampled, and the sample obtaining by this kind of form is compared with the sample obtaining from whole vertical section, it is representative and reliability is poorer, cannot meet equally the concerned countries standard of sampling division.
Therefore, how improving the sampling quality of Sampling Machine, 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 sampling mechanism of Sampling Machine, it can further improve the sample quality collecting, and makes the representativeness of sample higher, and reliability is also more stable.
In order to achieve the above object, the invention provides following technical scheme:
A sampling mechanism for Sampling Machine, for material being sampled and keeping sample, this sampling mechanism comprises:
The sampling cylinder that can extend into material bottom, two ports of described sampling cylinder are respectively sample entrance point and sample endpiece;
Be arranged in described sampling cylinder, for gathering and carry the screw rod of sample;
Point sampling device that is arranged on described sample endpiece, the inner chamber of described point of sampling device is communicated with described sample endpiece, and described point of sampling device has multiple sub-material mouths of sample being divided equally to derivation;
The aggregate bin being communicated with a described sub-material mouth;
Drive the drive unit of described screw rod rotation.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, described point of sampling device comprises:
Point sample cylinder that is set in described sampling cylinder top outer, described point of sample cylinder and described sampling cylinder coaxially arrange;
The multiple demarcation strips that connect the outer wall of described sampling cylinder and the inwall of described point of sample cylinder, whole described demarcation strips vertically arrange, and are circumferentially uniformly distributed on described outer wall around the axis of described sampling cylinder.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, described demarcation strip is the decile steel plate that the annular space between described outer wall and described inwall is upwards being divided equally in week.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, described sampling cylinder is weldless steel tube, and its length is 4m～5m.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, also comprise the sampling head that is arranged on described screw rod bottom.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, described drive unit is three-in-one speed reduction unit, and described three-in-one speed reduction unit is fixed on the elevating mechanism of described Sampling Machine by flanged plate.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, the hollow output shaft of described three-in-one speed reduction unit is connected with described screw rod by upper spindle nose, wherein, described upper spindle nose is connected with described hollow output shaft locking by double nut, and described screw rod is connected with described upper spindle nose by bolt.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, the top of described sampling cylinder is bolted on described flanged plate.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, the reducing gear of described three-in-one speed reduction unit is parallel-shaft bevel wheel reducer structure.
Preferably, in the sampling mechanism of above-mentioned Sampling Machine, also comprise the rejected material cover that is arranged on described sampling cylinder bottom.
In the sampling mechanism of Sampling Machine provided by the invention, use sampling cylinder and screw rod as sample unit, its acquisition mode is directly to insert in material and sample, because sampling cylinder can be inserted into the bottom of materials in carriage, so in the process of its insertion, the screw rod that is positioned at sampling cylinder inside just can be sampled on the whole vertical section of stacking material, and sample is from sample entrance point enters, be delivered to sample endpiece by screw rod, then enter into a point sampling device, because a point sampling device has multiple sub-material mouths of sample being divided equally to derivation, so sample can be equally divided into many parts, and from different sub-material mouths, derive respectively, and some sub-material mouths are wherein communicated with aggregate bin, collected like this sample just can all be separated at random portion and is directed in aggregate bin.In the sampling mechanism of Sampling Machine provided by the invention, by using sampling cylinder and screw rod as adopting parts, can on the whole vertical section of material, carry out omnibearing sampling, and no longer only limit in one or several limited aspect of material, to improve representativeness and the reliability of sample, and sample, in the time collecting, adopts a point sampling device to divide equally at random collection to sample, can further improve representativeness and the reliability of the sample of collecting.By the improvement of multiple mode, significantly improve the sample quality that Sampling Machine collects like this.
Brief description of the drawings
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 skill in the art, 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 sampling mechanism of the Sampling Machine that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 1;
Fig. 4 is the right view of Fig. 1.
In upper Fig. 1-Fig. 4:
Sampling cylinder 1, screw rod 2, aggregate bin 3, drive unit 4, point sample cylinder 5, demarcation strip 6, sampling head 7, flanged plate 8, upper spindle nose 9, nut 10, bolt 11, rejected material cover 12, bolt 13.
Embodiment
The invention provides a kind of sampling mechanism of Sampling Machine, it can further improve the sample quality collecting, and makes the representativeness of sample higher, and reliability is also more stable.
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, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, 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 sampling mechanism of the Sampling Machine that the embodiment of the present invention provides, for material being sampled and keeping sample, this sampling mechanism comprises:
Can extend into material bottom to run through the sampling cylinder 1 of stacking material vertical section, two ports of sampling cylinder 1 are respectively sample entrance point and sample endpiece;
Be arranged in sampling cylinder 1, for gathering and carry the screw rod 2 of sample;
Point sampling device that is arranged on sample endpiece, the inner chamber of point sampling device is communicated with sample endpiece, and a point sampling device has multiple sub-material mouths of sample being divided equally to derivation;
The aggregate bin 3 being communicated with a sub-material mouth;
The drive unit 4 that drives screw rod 2 to rotate.
In the sampling mechanism of the Sampling Machine that the present embodiment provides, use sampling cylinder 1 and screw rod 2 as adopting parts, its acquisition mode is directly to insert in material and sample, because sampling cylinder 1 can be inserted into the bottom of materials in carriage, so in the process of its insertion, the screw rod 2 that is positioned at sampling cylinder 1 inside just can be sampled on the whole vertical section of stacking material, and sample is from sample entrance point enters, be delivered to sample endpiece by screw rod 2, then enter into a point sampling device, because a point sampling device has multiple sub-material mouths of sample being divided equally to derivation, so sample can be equally divided into many parts, and from different sub-material mouths, derive respectively, and some sub-material mouths are wherein communicated with aggregate bin 3, collected like this sample just can all be separated at random portion and be entered into aggregate bin 3.
In the sampling mechanism of the Sampling Machine that the present embodiment provides, by using sampling cylinder 1 and screw rod 2 as adopting parts, can on the whole vertical section of material, carry out omnibearing sampling, and no longer only limit in one or several limited aspect of material, to improve representativeness and the reliability of sample, and sample, in the time collecting, adopts a point sampling device to divide equally at random collection to sample, can further improve representativeness and the reliability of the sample of collecting.By the improvement of multiple mode, significantly improve the sample quality that Sampling Machine collects like this.
In order further to optimize technique scheme, in the sampling mechanism of the Sampling Machine that the present embodiment provides, a point sampling device comprises:
Point sample cylinder 5 that is set in sampling cylinder 1 top outer, point sample cylinder 5 coaxially arranges with sampling cylinder 1;
Connect the outer wall of sampling cylinder 1 and multiple demarcation strips 6 of the inwall of point sample cylinder 5, all demarcation strip 6 vertically arranges, and around the axis of sampling cylinder 1 in outer wall last week to being uniformly distributed, two demarcation strips 6 of arbitrary neighborhood are with outer wall and a sub-material mouth of the common formation of inwall, and preferably demarcation strip 6 is at upwards eight steel plates of eight equal parts of week by the annular space between outer wall and inwall.
As shown in Figure 2, divide sample cylinder 5 to be set in the top outer of sampling cylinder 1, make to form between point sample cylinder 5 and sampling cylinder 1 torus space, be fixedly connected with the outer wall of sampling cylinder 1 and the inwall of point sample cylinder 5 with eight block plates (or being called gusset), with by torus space at upwards eight equal parts of week.Three-in-one speed reduction unit drives screw rod 2 to rotate, going deep under screw rod 2 rotations of material the inside and the effect of sampling cylinder 1, to be sampled point sampling device position that material (sample) is promoted to sampling cylinder 1 top, and by a point sampling device, the sample collecting is divided into eight equal portions at random, a copy of it sample enters into aggregate bin 3 and stores temporarily, and all the other seven increment material are returned and are discharged in compartment by rejected material cover 12 along the outer wall of sampling cylinder 1.The sample that sampling cylinder 1 inside is elevated by screw rod 2, in the random process that evenly drops into eight sub-material mouths that jointly formed by outer wall, inwall and eight steel plates, will divide equally sample, the relevant criterion of sample division is gathered and processed by satisfied country, aggregate bin 3 docks with a sub-material mouth in eight sub-material mouths, collects eighth material interim storage wherein.
Dividing the effect of sampling device is that sample is divided equally to derivation, under the prerequisite that realizes this object, its concrete structure can be various ways, preferred in the present embodiment, divide sampling device to be formed under the cooperation of sampling cylinder 1 by point sample cylinder 5 and demarcation strip 6, can make like this structure of score sampling device farthest be simplified, be conducive to realization, application and the popularization of this technical scheme in actual production process.
Concrete, it is φ 273 weldless steel tubes that sampling cylinder 1 adopts diameter, and its length is 4m～5m.Dividing sample cylinder 5 to adopt diameter is the weldless steel tube of φ 600, and is sleeved on the top outer of the weldless steel tube of φ 273.The length of sampling cylinder 1, can change according to the change in depth that is sampled material loading body, in the time of sampling, the bottom of sampling cylinder 1 is deep into automobile, railway carriage bottom that loose unpacked material is housed, thereby from surface to bottom, run through institute's stacking material in compartment, the sample of the full degree of depth is promoted to sampling cylinder 1 top by the screw rod 2 of sampling cylinder 1 inside and collects.
In the present embodiment, also comprise the sampling head 7 that is arranged on screw rod 2 bottoms.As shown in Figure 1, sampling head 7 is installed on the lower end of screw rod 2, for drilling through lifting after the material fragmentation of coarsegrain.
Drive unit 4 is three-in-one speed reduction unit, and three-in-one speed reduction unit is fixed on the elevating mechanism of Sampling Machine by flanged plate 8.
The hollow output shaft of three-in-one speed reduction unit is connected with screw rod 2 by upper spindle nose 9, wherein, upper spindle nose 9 is connected with hollow output shaft locking by mechanism's (number in the figure 10 refers to nut) of double nut, and screw rod 2 is connected with upper spindle nose 9 by bolt 11.As shown in Figure 3, three-in-one speed reduction unit adopts tubular shaft output, and upper spindle nose 9 connects and runs through three-in-one speed reduction unit, and lock onto on three-in-one speed reduction unit by double nut.Three-in-one speed reduction unit is fixed on flanged plate 8 tops, and three-in-one speed reduction unit drives upper spindle nose 9 to rotate, and upper spindle nose 9 is connected by bolt 11 with the screw rod 2 of bottom, thereby drives screw rod 2 rotary lifting material samplings.And the top of point sample cylinder 5 is fixed on flanged plate 8 by bolt 13 equally.Concrete, the reducing gear of the three-in-one speed reduction unit in the present embodiment is parallel-shaft bevel wheel reducer structure.
Further, in the present embodiment, also comprise the rejected material cover 12 that is arranged on sampling cylinder 1 bottom.As shown in Figure 1 and Figure 4, rejected material cover 12 is fixed on the lower position of sampling cylinder 1, divide the sample of deriving in one of them sub-material mouth of sampling device to be collected by aggregate bin 3, the sample that all the other seven sub-material mouths are derived along the outer wall of sampling cylinder 1 by the anti-sample position draining in compartment of rejected material cover 12, the effect of this rejected material cover 12 is control airborne dusts, spills material, reduces environmental pollution.The structure of rejected material cover 12 as shown in Figure 1 and Figure 4, its main part is the cartridge that is positioned at sampling cylinder 1 bottom and is set in its outside, it comprises straight drum part and is positioned at the cone cylinder part of straight drum part bottom, the rejected material falling along sampling cylinder 1 outer wall, first enter into straight drum part, enter into again cone cylinder part, thereby rejected material is played to the effect of gathering non-proliferation, to realize the object of controlling airborne dust and bulk cargo.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, 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 (10)
1. a sampling mechanism for Sampling Machine, for material being sampled and keeping sample, is characterized in that, this sampling mechanism comprises:
The sampling cylinder that can extend into material bottom, two ports of described sampling cylinder are respectively sample entrance point and sample endpiece;
Be arranged in described sampling cylinder, for gathering and carry the screw rod of sample;
Point sampling device that is arranged on described sample endpiece, the inner chamber of described point of sampling device is communicated with described sample endpiece, and described point of sampling device has multiple sub-material mouths of sample being divided equally to derivation;
The aggregate bin being communicated with a described sub-material mouth;
Drive the drive unit of described screw rod rotation.
2. the sampling mechanism of Sampling Machine according to claim 1, is characterized in that, described point of sampling device comprises:
Point sample cylinder that is set in described sampling cylinder top outer, described point of sample cylinder and described sampling cylinder coaxially arrange;
The multiple demarcation strips that connect the outer wall of described sampling cylinder and the inwall of described point of sample cylinder, whole described demarcation strips vertically arrange, and are circumferentially uniformly distributed on described outer wall around the axis of described sampling cylinder.
3. the sampling mechanism of Sampling Machine according to claim 2, is characterized in that, described demarcation strip is the decile steel plate that the annular space between described outer wall and described inwall is upwards being divided equally in week.
4. the sampling mechanism of Sampling Machine according to claim 1, is characterized in that, described sampling cylinder is weldless steel tube, and its length is 4m～5m.
5. the sampling mechanism of Sampling Machine according to claim 1, is characterized in that, also comprises the sampling head that is arranged on described screw rod bottom.
6. the sampling mechanism of Sampling Machine according to claim 1, is characterized in that, described drive unit is three-in-one speed reduction unit, and described three-in-one speed reduction unit is fixed on the elevating mechanism of described Sampling Machine by flanged plate.
7. the sampling mechanism of Sampling Machine according to claim 6, it is characterized in that, the hollow output shaft of described three-in-one speed reduction unit is connected with described screw rod by upper spindle nose, wherein, described upper spindle nose is connected with described hollow output shaft locking by double nut, and described screw rod is connected with described upper spindle nose by bolt.
8. the sampling mechanism of Sampling Machine according to claim 6, is characterized in that, the top of described point of sample cylinder is bolted on described flanged plate.
9. the sampling mechanism of Sampling Machine according to claim 6, is characterized in that, the reducing gear of described three-in-one speed reduction unit is parallel-shaft bevel wheel reducer structure.
10. according to the sampling mechanism of the Sampling Machine described in any one in claim 1-9, it is characterized in that, also comprise the rejected material cover that is arranged on described sampling cylinder bottom.
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| CN201410181630.3A CN103926107A (en) | 2014-04-29 | 2014-04-29 | Sampling mechanism of sampling machine |
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| CN201410181630.3A CN103926107A (en) | 2014-04-29 | 2014-04-29 | Sampling mechanism of sampling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106969944A (en) * | 2017-04-28 | 2017-07-21 | 湖南三德科技股份有限公司 | A kind of spiral sampling device |
| CN107941549A (en) * | 2017-11-16 | 2018-04-20 | 安徽金联地矿科技有限公司 | Deep-well basic unit sampler and its sampling method |
| CN110082144A (en) * | 2019-05-06 | 2019-08-02 | 长沙开元仪器有限公司 | The spiral sampler method of sampling and spiral sampler |
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| CN106969944B (en) * | 2017-04-28 | 2024-03-01 | 湖南三德科技股份有限公司 | Spiral sampling device |
| CN107941549A (en) * | 2017-11-16 | 2018-04-20 | 安徽金联地矿科技有限公司 | Deep-well basic unit sampler and its sampling method |
| CN110082144A (en) * | 2019-05-06 | 2019-08-02 | 长沙开元仪器有限公司 | The spiral sampler method of sampling and spiral sampler |
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Application publication date: 20140716 |