CN201233331Y - Total cross-section sampler for small graininess material - Google Patents
Total cross-section sampler for small graininess material Download PDFInfo
- Publication number
- CN201233331Y CN201233331Y CNU2008201900549U CN200820190054U CN201233331Y CN 201233331 Y CN201233331 Y CN 201233331Y CN U2008201900549 U CNU2008201900549 U CN U2008201900549U CN 200820190054 U CN200820190054 U CN 200820190054U CN 201233331 Y CN201233331 Y CN 201233331Y
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- sampling
- fork
- push rod
- electrohydraulic push
- swinging rod
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Abstract
The utility model relates to an automatic sampling device that is used for sampling the small granularity material during the continuous transmission process on the transmission belt, and provides a small granularity material full-cross-section sampling machine, which comprises a fixed bracket, an electric-hydraulic pushing rod, a sampling hoper and a swinging rod, wherein, the upper end of the swinging rod is hinged with a fixed hinge shaft of the fixed bracket; the sampling hopper is installed on the lower end of the swinging rod; and the upper part of the swinging rod is hinged with the electric-hydraulic pushing rod. The fixed bracket is installed at a transshipping receiving port of a material transmission belt; the swinging rod swings in reciprocating way through the extension and the withdrawing of the electric-hydraulic rod piston; the sampling hopper is installed on the lower end of the swinging rod, and swings along the swinging rod and samples the material when the material is thrown at the cross section. The device can realize the automatic sampling without the operation of people according to the pre-determined action, and has safe sampling process, and strong representative performance of the sample, and overcomes the weaknesses of the manual sampling, and reduces the labor intensity, and has simple structure, convenient production and less environmental influences.
Description
Technical field
The utility model relates to the small grain size material is gathered sample automatically in the conveying belt continuous conveying process device.
Background technology
At present, metallurgy industry is the ore materials of particle size diameter ￠＜10mm in small grain size such as iron ore concentrates in the sample collection of conveying belt continuous conveying process, quality inspection, the mode of gathering sample mainly is divided into two kinds of hand sampling and mechanical samplings, wherein manual sampling labour intensity is big, and typical sample is subject to technology, environment and factor affecting such as artificial.Adopt two kinds of more mechanical sampling modes: the one, will get the push rod head that hopper is contained in Electrohydraulic push rod, utilize stretching of piston to access sample at mass transport transhipment mouth, the 2nd, motor deceleration device drives thief rod horizontal rotation above conveying belt material is scraped to sample position.Method one is because the operating rate of Electrohydraulic push rod is slower, and sampling peck has just been got full through the fore-end of material, and the representativeness of sample is not strong.Method two is horizontal scraper above conveying belt, and the gap on scraper plate and conveying belt top layer is too small, causes the damage of conveying belt and sampler easily, and excesssive gap can not be scraped and get the bottom material, and the representativeness of sample is not strong.And the sampler that some specialized vendor makes is subjected to material moisture content easily, and the influence of viscosity and production technology and the limitation of installation position, especially material are under material feeding, the unbalanced situation of band material, and limitation is bigger.
The utility model content
Technical problem to be solved in the utility model provides a kind of small grain size material total cross-section sampler, this sampling function safe and reliable collection sample, and the sample period, speed flexibility is adjustable, has guaranteed the representativeness of being materialsed.
For solving the problems of the technologies described above, the utility model proposes following technical scheme: a kind of small grain size material total cross-section sampler, comprise fixed support, Electrohydraulic push rod, get hopper, it is characterized in that also comprising fork, the upper end hinge of this fork is contained on the support bracket fastened fixedly hinge, described sampling peck is installed in the lower end of described fork, and the top of fork and described Electrohydraulic push rod are hinged.Fixed support is installed in the receiving opening of material conveyer belt transhipment, and by the stretching and contract and make the fork reciprocally swinging of Electrohydraulic push rod piston, sampling peck is installed in the lower end of fork and swings with fork, intercepting sample when shedding truncation surface through material.
As improvement, the hinged free bearing of the top of described fork and described Electrohydraulic push rod is adjustable free bearing, and this adjustable free bearing is installed on the described fork, and adjustment can be moved in its installation site on fork, and adjustable free bearing is connected with the Electrohydraulic push rod hinge.The sample rate of the utility model sampler equals the linear velocity of described sampling peck quarrel swing, be the distance and described adjustable hinge ratio i to described fixedly hinge distance of described sampling peck quarrel to described fixedly hinge, usually be set at 6～10 times under the state, multiply by the speed that pushes away of Electrohydraulic push rod.Therefore, adjust the position of described adjustable free bearing, adjust sample rate, obtain to meet the higher sample rate of technical requirement thereby can change ratio i.
As further optimization, the discharge port of described sampling peck is a drop in leaf, this drop in leaf links to each other with described sampling peck with hinge on one side, drop in leaf below welding lance, lance and drop in leaf forming V-shape angle, generally about 45 °, the turnover panel another side is held with extension spring, and the other end of this extension spring is fixed on the described sampling peck.Can realize automatic unlatching, the closure of quarrel by lance and spring, when gathering sample, the drop in leaf of discharge port is closed under the pulling force of spring, during to discharge port, fixed dam before the lance bump receiving hopper of sampling peck, spring stress stretches, and gets hopper discharge outlets and opens, the sample of gathering is discharged into receiving hopper, through herringbone deflector chute division to two sample storing box.Be convenient to sample grouping check, improve the representativeness of test check.
Further again, first travel switch, second travel switch are separately fixed on the described fixed support, and buting iron is installed on the described Electrohydraulic push rod, makes the piston type back and forth movement between two travel switches; Described first travel switch, second travel switch connect the control circuit of described Electrohydraulic push rod motor respectively, are used to control the counter-rotating of this motor or stop.When the roller of the described buting iron and first or second travel switch bumps against, depress described roller disjunction normally closed interlock or closed normally open contact, thereby make the forward and reverse commentaries on classics of motor of described Electrohydraulic push rod, realize the spacing control of described Electrohydraulic push rod.The amplitude of fluctuation that can regulate fork by the position of adjusting buting iron is to determine two extreme positions of sampling peck.The electric control circuit of automatic sampler is a prior art, can be hand-manipulated by switch, also can work automatically, and the desired sampling interval time of technology can be by the start-up time delay decision of digital display time relay.
The beneficial effects of the utility model are to realize operatorless automatic sampling, sampling process safety by predefined action, not only overcome some drawbacks of hand sampling, reduce labour intensity, and simple in structure, easy to make, affected by environment little, the representativeness of sample is strong.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structure front view of the present utility model.
Fig. 2 is the structural drawing of sampling peck.
Fig. 3 is that the E of Fig. 1 is to view.
Fig. 4 is a circuit for controlling motor schematic diagram of the present utility model
Embodiment
As shown in Figure 1, Electrohydraulic push rod 8, fork 9 usefulness hinges 2 are installed on the free bearing of fixed support 1, Electrohydraulic push rod 8 is connected by adjustable free bearing 3, movable hinge 4 with fork 9, the fixed position of adjustable free bearing 3 can move up and down on fork 9, the stretching and contract that to drive fork 9 reciprocating of Electrohydraulic push rod 8 pistons, sampling peck 7 usefulness screw rods are installed in the below of fork 9, swing at material with fork 9 and to shed truncation surface intercepting sample, fork 9 reciprocating two extreme position A points, B point are regulated by first travel switch 5, second travel switch 6 and buting iron 7 and are controlled.
Fig. 3 be the E of Fig. 1 to view, 19 is the material conveying drum among the figure, 20 is the material travelling belt, sampler is placed on material and sheds on the truncation surface.
Among Fig. 2, the big I of the shape and size of sampling peck 10 designs, makes according to the working environment and the technical requirement of sampling, the length of sampling peck 10 is a bit larger tham the maximum ga(u)ge that material acquisition zone material is shed layer, guarantee that whole truncation surface gathers sample, the charging aperture width of sampling peck 10 is selected between 30mm-45mm by the difference of physical properties such as the granularity of material, viscosity.For ease of discharging, the discharging opening of sampling peck 10 is greater than charging aperture, the about 2～3kg of sample weight that sampling peck 10 is once gathered.
In conjunction with Fig. 1, Fig. 2, Fig. 3 illustrates sampling process, power turn-on, the digital display time relay KT timing of working, reach time sample period of setting, Electrohydraulic push rod 8 electrical powers, piston stretches out, promote fork 9 swings, the sampling peck 10 of fork 9 lower ends is shed truncation surface collection sample from the A point to the motion of B point and from material, the drop in leaf 18 of sampling peck 10 belows is closed under the effect of extension spring 17 to be kept at the sample of gathering in the sampling peck 10, when sampling peck 10 moves to the B point and buting iron 7 impact stroke switch 5 that are synchronized with the movement of Electrohydraulic push rod 8 make the counter-rotating of Electrohydraulic push rod 8 motors, the piston retraction, sampling peck 10 moves to the A point from the B point, fixed dam 11 when sampling peck 10 moves to the A point before the lance 15 bump receiving hoppers 12, spring 17 stressed stretchings are got the drop in leaf 18 of hopper 10 and are opened, and get samples in the hopper 10 and are discharged into receiving hopper 12 and enter sample storing box 14 through deflector chute 13 and finish intercepting and conveying to material.Simultaneously, buting iron 7 impact stroke switch 6 on the Electrohydraulic push rod 8, the outage of Electrohydraulic push rod 5 motors quits work, and gets hopper 10 and stops at the A point, finishes the once intercepting collection of sample.Digital display time relay KT from zero timing, begins the gatherer process of sample next time again.
In Fig. 4, manual, automatic two kinds of patterns that circuit for controlling motor comprises, switch QA is the hand switch button, and KT is a digital display time relay, and the KT dead electricity when QA is closed, is manual control model; KT gets electric, when QA disconnects, is automatic control mode.Be example explanation Electric Machine Control principle below with the automatic control mode, at first set between the on-delay time and outage time-delay of digital display time relay KT, the on-delay time is that the Electrohydraulic push rod piston is stretched, contract action once interval time is the sample period, the outage delay time is that the Electrohydraulic push rod piston is stretched, contract once the required working time, connect main power switch, digital display time relay KT gets, reach and set the conduction time of delaying time, the normally opened contact adhesive of digital display time relay KT, flexible contactor KM1 coil electricity, the main contact adhesive, the Electrohydraulic push rod motor just changes, piston stretches out, when piston extends the precalculated position, meet the travel switch XK1 that is fixed on this position with the buting iron that piston is synchronized with the movement, first travel switch 5 in the XK1 corresponding diagram 1, make the normally closed contact disjunction of travel switch XK1, the normally opened contact closure, flexible contactor KM1 coil losing electricity, its main contact discharges, retraction contactor KM2 coil electricity, the main contact adhesive, the counter-rotating of Electrohydraulic push rod motor, the piston retraction is when piston bounces back to other end precalculated position, buting iron is met the travel switch XK2 that is fixed on this position, second travel switch 6 in the XK2 corresponding diagram 1, with the normally closed contact disjunction of travel switch XK2, retraction contactor KM2 coil losing electricity, main contact discharges, piston stops retraction, at this moment, has arrived the delay cut-off time that digital display time relay is set, the normally opened contact of digital display time relay KT disconnects, Electrohydraulic push rod quits work, and digital display time relay KT begins next working cycle from zero timing.
Should be noted that; the exemplary illustration that this embodiment is just done the utility model and do not limit its protection domain; those skilled in the art can also make the change of some unsubstantialities to the utility model; so long as the improvement of carrying out without creative work and to this patent, all within the protection domain of this patent.
Claims (4)
1. small grain size material total cross-section sampler, comprise fixed support, Electrohydraulic push rod, get hopper, it is characterized in that also comprising fork, the upper end hinge of this fork is contained on the support bracket fastened fixedly hinge, described sampling peck is installed in the lower end of described fork, and the top of fork and described Electrohydraulic push rod are hinged.
2. small grain size material total cross-section sampler according to claim 1, it is characterized in that the hinged free bearing of the top of described fork and described Electrohydraulic push rod is adjustable free bearing, this adjustable free bearing is installed on the described fork, adjustment can be moved in its installation site on fork, adjustable free bearing is connected with the Electrohydraulic push rod hinge.
3. small grain size material total cross-section sampler according to claim 1, it is characterized in that, the discharge port of described sampling peck is a drop in leaf, this drop in leaf links to each other with described sampling peck with hinge on one side, drop in leaf below welding lance, lance and drop in leaf forming V-shape angle, the turnover panel another side is with drawing secondary spring to hold, and the other end of this extension spring is fixed on the described sampling peck.
4. small grain size material total cross-section sampler according to claim 1, it is characterized in that, first travel switch, second travel switch are separately fixed on the described fixed support, and buting iron is installed on the described Electrohydraulic push rod, makes the piston type back and forth movement between two travel switches; Described first travel switch, second travel switch connect the control circuit of described Electrohydraulic push rod motor respectively, are used to control the counter-rotating of this motor or stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201900549U CN201233331Y (en) | 2008-07-31 | 2008-07-31 | Total cross-section sampler for small graininess material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201900549U CN201233331Y (en) | 2008-07-31 | 2008-07-31 | Total cross-section sampler for small graininess material |
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| Publication Number | Publication Date |
|---|---|
| CN201233331Y true CN201233331Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201900549U Expired - Fee Related CN201233331Y (en) | 2008-07-31 | 2008-07-31 | Total cross-section sampler for small graininess material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980792A (en) * | 2012-12-26 | 2013-03-20 | 镇江市科瑞制样设备有限公司 | Base of reduction device |
| CN103604666A (en) * | 2013-11-29 | 2014-02-26 | 神华集团有限责任公司 | Falling-flow sampling cup |
| CN105527123A (en) * | 2015-12-31 | 2016-04-27 | 重庆路格科技有限公司 | A hopper-assisted sampling device |
| CN106289849A (en) * | 2015-05-22 | 2017-01-04 | 宝山钢铁股份有限公司 | A kind of simple automatic sampling device of rubber conveyer and control method |
| CN107473912A (en) * | 2017-09-29 | 2017-12-15 | 浏阳市鸿安机械制造有限公司 | Medicine machine testing control device is wrapped up in fireworks granulation |
| CN113063635A (en) * | 2021-02-25 | 2021-07-02 | 青岛征和工业股份有限公司 | Blanking and sampling device for stamping |
-
2008
- 2008-07-31 CN CNU2008201900549U patent/CN201233331Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980792A (en) * | 2012-12-26 | 2013-03-20 | 镇江市科瑞制样设备有限公司 | Base of reduction device |
| CN103604666A (en) * | 2013-11-29 | 2014-02-26 | 神华集团有限责任公司 | Falling-flow sampling cup |
| CN106289849A (en) * | 2015-05-22 | 2017-01-04 | 宝山钢铁股份有限公司 | A kind of simple automatic sampling device of rubber conveyer and control method |
| CN106289849B (en) * | 2015-05-22 | 2019-01-15 | 宝山钢铁股份有限公司 | A kind of simple automatic sampling device of rubber conveyer and control method |
| CN105527123A (en) * | 2015-12-31 | 2016-04-27 | 重庆路格科技有限公司 | A hopper-assisted sampling device |
| CN107473912A (en) * | 2017-09-29 | 2017-12-15 | 浏阳市鸿安机械制造有限公司 | Medicine machine testing control device is wrapped up in fireworks granulation |
| CN113063635A (en) * | 2021-02-25 | 2021-07-02 | 青岛征和工业股份有限公司 | Blanking and sampling device for stamping |
| CN113063635B (en) * | 2021-02-25 | 2023-02-28 | 青岛征和工业股份有限公司 | Blanking and sampling device for stamping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |