CN2909213Y - Coal sampling head - Google Patents
Coal sampling head Download PDFInfo
- Publication number
- CN2909213Y CN2909213Y CN 200620022959 CN200620022959U CN2909213Y CN 2909213 Y CN2909213 Y CN 2909213Y CN 200620022959 CN200620022959 CN 200620022959 CN 200620022959 U CN200620022959 U CN 200620022959U CN 2909213 Y CN2909213 Y CN 2909213Y
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- urceolus
- tube
- inner core
- head
- middle tube
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Abstract
A new-style coal sampling head provides a new coal sampling head technology according to the problems of prior art of the coal sampling head technology. The utility model comprises a connecting piece to be connected with a sampler, an inner cylinder, an outer cylinder and an expandable claw at bottom of the inner cylinder and the outer cylinder. The utility model is characterized in that screw fastening parts are provided between the inner cylinder and the outer cylinder, and are connected with the connecting pieces so as to drive the inner cylinder and the outer cylinder to move up and down relatively. The rotation of the sampling head causes expansion and closing of the claw, and samples are discharged, driven by gravitation and rotary force. The utility model eliminates the problem of collected residual high water content samples. The dimensional range of collected samples is larger by adopting the utility model compared with the prior art. In addition; the utility model is lighter in structure, is bored into dump more easily with lower dissipation of energy when the sampler works.
Description
Technical field
The utility model relates to a kind of coal samling head that is used to gather the dump internal specimen.
Background technology
The sampling head of existing collection dump internal specimen is made of cylinder and the screw rod that has helical blade that is arranged in cylinder, sampling head pierces the inner sample of gathering of dump under the double action that screw rod rotates and Sampling Machine is exerted pressure, after reaching predetermined depth, sampling head is drawn out of, and the sample of dump under this degree of depth has been deposited in the space that helical blade and cylinder constitute.The deficiency that this technology exists at present is mainly reflected in following three aspects:
1, when the sample moisture of gathering is higher, the sampling head cylinder inner wall will residual sample, causes the mixed sample of different parts sample, the accuracy requirement that makes the sample of collection not reach relative national standards.In some cases, the inner even meeting blockage phenomenon of sampling head causes sample not discharge, and equipment is impaired.
2, sampling head pierces dump inside needs sampling head rotation and the Sampling Machine double action of exerting pressure, because screw rod is subjected to the reacting force area big in progradation, cause resistance big, so just need thicker structure and more high-power power-equipment to overcome resistance, thereby cause the waste of the material and the energy.
3, when gathering sample, existing sampling head can only be gathered the bulk of size less than helical blade and cylinder formation, promptly can only gather the particle of size less than pitch * cylinder inside radius, when the pitch of screw rod is excessive with respect to the sample particle, extract out when sampling head, sample can spill in sampling head; When the pitch of screw rod is too small with respect to the sample particle, easy blockage phenomenon.Caused the range of application of sampling head to be restricted.
Chinese patent 01230110.8 and 200420036118.1 all discloses a kind of double-cylinder type sampling head of inner/outer tube structure, inside and outside tube lower openings, inner core can slide in urceolus, one pull bar passes urceolus top and the inner core top is connected, and other has plural claw, and its hinged end and urceolus are hinged, its movable part links to each other with inner core by connecting rod, when pull bar promotes inner core and moves up and down, can drive the claw opening and closing like this, collect coal sample etc. in the inner core and remove coal sample easily.Above-mentioned patent is the bigger improvement to sampling head, can make sampling not be subjected to the restriction of ore particle size, does not have sticking, stifled phenomenon, can be fit to any moisture.But there are the following problems for said structure, and at first to promote the inner core motion be to move up and down to pull bar, and sampling head to enter in the coal sample be to rotate into, therefore, two cover machinery and actuating units must be set at least, cause the sampling head overall volume big, be not easy to carry the cost height; In addition, claw and urceolus are hinged, and link to each other by connecting rod with inner core, and a plurality of pin joints of a this claw and a plurality of web member cause sampling not freely and the damage of claw easily.
The utility model content
The utility model provides a kind of coal samling head, the problem of solved the mixed sample that exists in the present sampling head technology, be difficult for gathering the high-moisture sample, mechanism is huge and range of application is limited.
The technical solution of the utility model is as follows:
But the utility model comprises web member, inner core, the urceolus that is connected with Sampling Machine and is arranged at the pawl of the opening and closing of inside and outside tube bottom, is provided with inside and outside relative spiral connecting part that moves up and down of the driving that links to each other with web member between inner core and urceolus.
Above-mentioned spiral connecting part is the middle tube that is arranged between inner core and the urceolus, and described middle tube links to each other with web member, and described middle tube is respectively arranged with nested structure with described inner core and urceolus.
Described nested structure be the urceolus skewed slot that has on the urceolus and in tube go up the pin of relative set on the middle tube skewed slot that has on the pin of relative set and the middle tube and the inner core.
The vergence direction of described urceolus skewed slot and middle tube skewed slot is opposite.
Urceolus skewed slot that is provided with on the described urceolus and middle tube are gone up the middle tube skewed slot that is provided with and are respectively two to the land.
Evenly be provided with penetrating hole around circumference on the above-mentioned urceolus lower part wall.
Above-mentioned pawl comprises overlap joint section, hinged end and active section, and described overlap joint section is overlapped in the hole of urceolus bottom, and described hinged end is connected in the inner core end by axle.
Described pawl is three to ten, and active section is triangle, and angle is 120 degree between overlap joint section and the active section.
Be provided with sealing and rolling member between above-mentioned inner core outer tube wall and the middle tube inner tube wall.
Be provided with sealing and rolling member in above-mentioned between tube outer tube wall and the urceolus inner tube wall.
Be provided with sealing and rolling member between above-mentioned inner core outer tube wall and the urceolus inner tube wall.
Technique effect of the present utility model:
Adopt to be provided with between the utility model inner core and urceolus and drive this structure of the inside and outside relative spiral connecting part that moves up and down of tube, make when discharging the big sample of moisture, under the double action of the revolving force of inner core and sample gravity, the easier disengaging sampling head of sample, avoid the generation of mixed sample problem, can gather the high-moisture sample; Because when piercing dump, the face that sampling head is subjected to drag effect has only the xsect of barrel, be subjected to the drag effect area little than it existing screw rod structure, only need to adopt light and handy structure and lower powered power-equipment can make sampling head pierce dump inside smoothly, saved the material and the energy; Owing to avoided the screw rod structure in the sampling head, the useful space that the utility model is gathered sample is big first watch according to the screw rod structure sampling of same radial dimension, can gather the sample of wider particle size; Because the spiral connecting part that is provided with between the inner/outer tube can drive inner/outer tube relative motion up and down, do not need to be provided with again pull bar and, structure is greatly simplified, thereby can be designed portable sampling thief the driving mechanism of pull bar.
In pin on tube and the inner core on urceolus and middle tube the urceolus skewed slot and middle skewed slot in move, skewed slot defines the running orbit of pin, simultaneously, the urceolus skewed slot is opposite with the vergence direction of middle tube skewed slot, makes that inner core and urceolus produce axial relative motion when middle tube rotation.
The utility model pawl comprises overlap joint section, hinged end and active section, and described overlap joint section is overlapped in the hole of urceolus bottom, and described hinged end is connected in the inner core end by axle.When axial relative motion took place for inner core and urceolus, because lever principle, pawl was convenient to keep or discharge sample with respect to the action of sampling head barrel generation opening and closing.Pawl is simple in structure simultaneously, and the hinged place is few, can guarantee the serviceable life of the unobstructed of sampling and prolongation pawl.
Sealing that is provided with between the sealing that is provided with between sealing that is provided with between inner core and the middle tube and rolling member, middle tube and the urceolus and rolling member and inner core and the urceolus and rolling member are convenient between tube and the tube relative motion take place on the one hand, the path of airtight on the other hand rolling member operation, avoided impurity to sneak into wherein, made that relative motion is more smooth and easy between tube and the tube.
Description of drawings
Fig. 1 is the structure principle chart of the utility model coal samling head
Reference numeral lists as follows:
1, web member; 2, middle tube; 3, inner core; 4, middle tube skewed slot; 5, sealing and rolling member; 6, urceolus; 7, sealing and rolling member; 8, urceolus skewed slot; 9, pin; 10, sealing and rolling member; 11, hole; 12, axle; 13, pawl; 14, middle tube is one section; 15, middle tube is two sections.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is described in detail:
As shown in Figure 1, the middle tube 2 of sampling head is connected with Sampling Machine by web member 1, the inner tube wall of middle tube 2 is the cylindrical shape of diameter homogeneous, the outer tube wall of middle tube 2 is the variable cross section tubular, middle one section 14 external diameter near web member 1 one ends is identical with the external diameter of urceolus 6, the external diameter that middle tube is two section 15 is less than the internal diameter of urceolus 6, greater than the external diameter of inner core 3.Inner core 3 places in the tube 2, and the internal diameter that middle tube is two section 15 is identical or bigger with the external diameter of the inner core 3 that is positioned at this section, and the outer tube wall of inner core 3 is variable cross section bodies, and the inner cylindrical portion external diameter that is arranged in outside the tube 2 is identical with tube 2 external diameters.The top of two section 15 in middle tube around circumference evenly be provided with three sections penetrating in tube skewed slot 4, certainly in a tube skewed slot 4 also can not be penetrating groove, notch is towards inner tank theca, the outer wall of inner core 3 is provided with corresponding pin, can slip in middle tube skewed slot 4; Evenly be provided with three sections penetrating urceolus skewed slots 8 around circumference equally at urceolus 6, urceolus skewed slot 8 also can not be penetrating groove, notch is towards middle tube two pars infrasegmentalis outer walls, therefore three pins 9 evenly are set in the bottom of two section 15 in middle tube around circumference is corresponding, under the sampling head confined state, pin 9 height maintain an equal level with urceolus 6 outer tube walls, and pin 9 can slide in urceolus skewed slot 8.Middle tube skewed slot 4 is opposite with urceolus skewed slot 8 vergence directions.
The end of the part outside inner core 3 is arranged in tube 2 is connected by axle 12 with pawl 13.
In this example, four pawls 13 are set, pawl 13 is made of overlap joint section, hinged end and active section, described overlap joint section is overlapped in the hole 11 of urceolus bottom, is blocks, and described hinged end is connected in the inner core end by axle 12, pawl 13 active sections are triangular in shape, four pawls are most advanced and sophisticated on same plane to constitute a disk relatively the time, and triangle active section plane becomes 120 ° with the overlap joint section, and an overlap joint section one-tenth perk is overlapped in the hole 11.
Be provided with sealing and rolling member 5 between the inwall of the outer wall of inner core 3 and middle tube 2, be provided with sealing and rolling member 7 between middle tube 2 outer walls and urceolus 6 inwalls, be provided with sealing and rolling member 10 between the inwall of inner core 3 outer walls and urceolus 6.Sealing and rolling member are convenient between tube and the tube relative motion take place on the one hand, and the path of airtight on the other hand rolling member operation has avoided impurity to sneak into wherein, make tin and tin between relative motion more smooth and easy.
In Sampling Machine is rotated by web member 1 during tube 2, on the middle tube 2 in the rotation of tube skewed slot 4 make the pin on the inner core produce relative motion; Simultaneously, the pin 9 on the middle tube 2 moves in urceolus skewed slot 8.Owing to be skewed slot, so axially there is being alternate position spike at its two ends, thereby the motion of pin has driven urceolus 6 and the axially-movable of inner core 3 with respect to middle tube 2.Tube skewed slot 4 is opposite with the vergence direction of urceolus skewed slot 8 in of the present utility model, and so urceolus 6 is opposite with respect to the axially-movable direction of middle tube 2 with inner core 3.Pawl 13 respectively has point of contact with inner core 3 and urceolus 6, and inner core 3 forms a leverage with the relative motion of urceolus 6 to pawl 13, and pawl 13 forms the opening and closing campaign.When pawl 13 opens, pin is in the skewed slot end, and the continuation rotation of sampling head can not cause inner core 3 and urceolus 6 further to produce relative motion, makes pawl 13 form one with tube and has certain rigidity cylindrical body, under the suitable pressure effect of rotation and Sampling Machine output, pawl 13 tips are cut dump fast, after arriving predetermined depth, and the reverse rotation sampling head, pawl 13 closures, sample is left in the inner core 3, extracts sampling head out, finishes sampling work.
The utility model is by the rotation of middle tube 2, the opening and closing campaign of pawl 13 and the rotation of sampling head have been formed, in discharging sampling head during the higher sample of moisture, the rotation of inner core 3 and the gravity of sample together act on the sample that is attached on the inner tube wall, can low weightly change places throws away sample and does not have residual sample in tube, has solved existing sampling head and has repeatedly gathered the problem of mixing sample.Simultaneously, each mechanical part has also played the cleaning effect all in self relative motion.
The utility model is when piercing dump, because it is little to bear the area of resistance, thereby structure is smaller and more exquisite, and Sampling Machine only need apply less pressure can make that sampling head pierces dump.Energy consumption when therefore, the utility model has been saved material and Sampling Machine work than prior art.
Because its specific structure of the present utility model can be gathered the sample of particle diameter less than inner diameter of steel flue, the sampling head collection sample particle size range more unidimensional than prior art is bigger.When gathering same sample, the utility model is smaller and more exquisite than prior art constructions.
Owing to do not have pull bar, the utility model to save the corresponding driving parts, make mechanism simple, can design portable sampling thief.And can make automobile sampling thief, train sampling device, cabin sampling thief etc.The place that can be used for thermal power plant, coke-oven plant, coal washery, coal yard, harbour, harbour, all coal mining samples of coal mine ground.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the utility model, but limit the utility model never in any form.Therefore, although this instructions has been described in detail the utility model with reference to drawings and Examples,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the middle of the protection domain of the utility model patent.
Claims (9)
1, a kind of coal samling head, but comprise web member, inner core, the urceolus that is connected with Sampling Machine and be arranged at the pawl of the opening and closing of inside and outside tube bottom, it is characterized in that being provided with between inner core and urceolus and link to each other, drive the spiral connecting part that inside and outside tube moves up and down relatively with web member.
2, according to the described a kind of coal samling head of claim 1, it is characterized in that described spiral connecting part is the middle tube that is arranged between inner core and the urceolus, described middle tube links to each other with web member, and described middle tube is respectively arranged with nested structure with described inner core and urceolus.
3, according to the described a kind of coal samling head of claim 2, it is characterized in that described nested structure be the urceolus skewed slot that has on the urceolus and in tube go up the pin of relative set on the middle tube skewed slot that has on the pin of relative set and the middle tube and the inner core.
4,, it is characterized in that the vergence direction of described urceolus skewed slot and middle tube skewed slot is opposite according to the described a kind of coal samling head of claim 3.
5,, it is characterized in that the urceolus skewed slot that is provided with on the described urceolus and middle tube go up the middle tube skewed slot that is provided with and be respectively two to the land according to the described a kind of coal samling head of claim 4.
6, according to the described a kind of coal samling head of one of claim 1-5, it is characterized in that evenly being provided with penetrating hole around circumference on the described urceolus lower part wall.
7, according to the described a kind of coal samling head of claim 6, it is characterized in that described pawl comprises overlap joint section, hinged end and active section, described overlap joint section is overlapped in the hole of urceolus bottom, and described hinged end is connected in the inner core end by axle.
8, according to the described a kind of coal samling head of claim 7, it is characterized in that described pawl is three to ten, and active section is triangle, angle is 120 degree between overlap joint section and the active section.
9, according to the described a kind of coal samling head of claim 7, it is characterized in that between described inner tank theca and the middle tube inwall, described between drum outer wall and the outer tube inner wall, be provided with between described inner core outer tube wall and the urceolus inner tube wall and seal and rolling member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022959 CN2909213Y (en) | 2006-05-08 | 2006-05-08 | Coal sampling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620022959 CN2909213Y (en) | 2006-05-08 | 2006-05-08 | Coal sampling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2909213Y true CN2909213Y (en) | 2007-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620022959 Expired - Fee Related CN2909213Y (en) | 2006-05-08 | 2006-05-08 | Coal sampling head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2909213Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252868A (en) * | 2011-05-03 | 2011-11-23 | 中国地质大学（武汉） | Sampling and collecting integrated grid adaptive attitude adjustment cylinder collector |
| CN102706685A (en) * | 2012-06-04 | 2012-10-03 | 长沙开元机电设备有限公司 | Mechanical hand device of sampling machine and sampling machine |
| CN102759456A (en) * | 2012-06-28 | 2012-10-31 | 兰州理工大学 | Metal material sampling head with cutting device |
| CN103364224A (en) * | 2012-03-27 | 2013-10-23 | 大连泰达环保有限公司 | Drilling type garbage sampling device and method |
| CN113237691A (en) * | 2021-05-08 | 2021-08-10 | 西安建筑科技大学 | Structural undisturbed soil sampling device and sampling method |
-
2006
- 2006-05-08 CN CN 200620022959 patent/CN2909213Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252868A (en) * | 2011-05-03 | 2011-11-23 | 中国地质大学（武汉） | Sampling and collecting integrated grid adaptive attitude adjustment cylinder collector |
| CN102252868B (en) * | 2011-05-03 | 2012-09-26 | 中国地质大学（武汉） | Sampling and collecting integrated grid adaptive attitude adjustment cylinder collector |
| CN103364224A (en) * | 2012-03-27 | 2013-10-23 | 大连泰达环保有限公司 | Drilling type garbage sampling device and method |
| CN102706685A (en) * | 2012-06-04 | 2012-10-03 | 长沙开元机电设备有限公司 | Mechanical hand device of sampling machine and sampling machine |
| CN102706685B (en) * | 2012-06-04 | 2015-10-14 | 长沙开元机电设备有限公司 | A kind of Sampling Machine robot device and a kind of Sampling Machine |
| CN102759456A (en) * | 2012-06-28 | 2012-10-31 | 兰州理工大学 | Metal material sampling head with cutting device |
| CN102759456B (en) * | 2012-06-28 | 2014-04-23 | 兰州理工大学 | Metal material sampling head with cutting device |
| CN113237691A (en) * | 2021-05-08 | 2021-08-10 | 西安建筑科技大学 | Structural undisturbed soil sampling device and sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |