CN202305271U - Bulk-material sampling head - Google Patents

Abstract

The utility model discloses a bulk-material sampling head, which is suitable for collecting bulk material samples, such as coal, lime and the like, is particularly suitable for collecting samples with block materials. The bulk-material sampling head consists of a spiral instrument driving device 1, a division bucket 2, a sleeve driving device 3, a sleeve support 4, a spiral instrument 5, a sleeve 6 and a sleeve head 7, wherein the sleeve 6 is driven by the driving device 3 and fixedly supported by the sleeve support 4; the lower part of the sleeve 6 is connected with the detachable sleeve head 7; an anti-abrasion material is embedded in the sleeve head 7; the rotating sleeve head 7 can cut a material into a sleeve inside part and a sleeve outside part and chop the block material; the spiral instrument 5 is driven and supported by the driving device 1; a spiral body of the spiral instrument 5 penetrates through the sleeve 6; the head of the spiral instrument 5 is flush with the sleeve head 7 or shorter than the end of the sleeve head 7; and the head of the spiral instrument 5 stirs the materials in the sleeve loosely, and conveys the materials from a closed channel of the sleeve 6 to the division bucket 2 according to a transmission characteristic of the spiral instrument. The collected samples have relatively high representativeness and accuracy.

Description

The bulk material sampling head

The technical field that technical field the utility model relates to is to gather and process the bulk material sampling head of kind equipment, and it is applicable to the sample of bulk materials such as gathering coal, lime, ore, grain, especially is fit to gather the sample that contains lump material.

It is the sample that is used to gather and prepare bulk material that background technology is gathered and processed kind equipment, and this sample is used for attributional analysis of this material or commodity clearing, and the sample that requires to be gathered has sufficient representativeness.Gathering and processing kind equipment generally is made up of frame, travel mechanism, elevating mechanism, power system, control system, sampling head, sample-preparing system etc.Because the present invention only relates to the sampling head of gathering and processing kind equipment, so the following only elaboration technical matters relevant with sampling head.The sampling head of gathering and processing kind equipment of widespread usage generally is made up of division bucket, spiral organ and drive unit thereof, sleeve at present.Sampling head is installed under the elevating mechanism; Straight line moves up or down; Sleeve and division bucket are fixed together; The spiral organ upper end is connected with its drive unit, and the conveyor screw of spiral organ is installed within the sleeve, and has high 200 to 300mm several breach than cover tube length 200 to 300mm or in the sleeve lower end.During sampling, spiral organ rotates in the effect of its drive unit, and along with sampling head descends gradually, sampling head just inserts material and to inserting in the material fully, the spiral organ that material is rotated rises in sleeve the division bucket, and this material is the sample of being gathered.Can know that from above-mentioned principle when sampling head had following shortcoming: a, sampling, sleeve was pressed into material by force by elevating mechanism, receives the bigger reacting force of material, therefore cause the damage of sleeve distortion or damage or elevating mechanism easily; B, its sleeve do not rotate; The ability that does not also have the rotary cutting material can't be with it fragmentation when meeting lump material, and block then can't be gathered by spiral organ; And the spiral organ head that is rotated squeezes out outside the sleeve institute region covered, and the sample that therefore causes being gathered lacks representative.C, be longer than sleeve or lower cartridge has breach because of conveyor screw; When spiral organ gets into material; Block can be rotated and have the head of the spiral organ 5 of certain rolling degree to squeeze out outside the sleeve institute region covered from cover tube bottom or breach, and the sample that therefore causes being gathered lacks representative.

Summary of the invention the utility model is a bulk material sampling head of gathering and processing kind equipment, and it is installed on the elevating mechanism of sample devices, can along the track of elevating mechanism up or down straight line move.Its structure is seen Figure of description, and it is made up of spiral organ drive unit (1), division bucket (2), sleeve drive unit (3), sleeve supporting (4), spiral organ (5), sleeve 6 and collet head 7.Sleeve 6 provides rotational power, sleeve supporting 4 support that fixes by drive unit 3; Its bottom connects a dismountable collet head 7; Collet head 7 is inlaid with high-abrasive material, and the collet head 7 of rotation can be divided into part and tube exterior portions in the tube with the material cutting, and can shred lump material.Spiral organ 5 provides rotational power and supporting by drive unit 1; The conveyor screw of spiral organ 5 passes in sleeve 6; The head of spiral organ 5 is concordant or slightly shorter than collet head 7 ends with collet head 7; The head of spiral organ 5 stirs pine with the material in the sleeve, utilizes the transport property of spiral to carry division bucket 2 to material from sleeve 6 airtight passages.The characteristic of the utility model is a sleeve 6 provides rotational power, sleeve supporting 4 support that fixes by drive unit 3; Spiral organ 5 provides rotational power and supporting by drive unit 1, and the conveyor screw of spiral organ 5 is in sleeve 6 inside.The head of spiral organ (5) is concordant with collet head (7) or slightly shorter than collet head (7) end.The utility model can reach the sleeve 6 (containing collet head 7) of following effect: a, rotation; Material is become the kinetic friction resistance to the positive frictional resistance of sleeve 6; Thereby change and reduce material to sleeve 6 (containing collet head 7) resistance; Make sampling head be easier to get among the material, sleeve 6 is not yielding or damage with mechanism; B, be inlaid with high-abrasive material and the collet head 7 that can rotate can shred lump material, rise in the division bucket 2 with the granule material by spiral organ again, the representativeness of the material that can guarantee to be sampled.C, spiral organ 5 is isometric or slightly short with sleeve 6, can prevent that the spiral head that rotates from squeezing out the outside of sleeve 6 region covered with lump material, thus the representativeness of the sample that guarantees to be adopted.

The structure of description of drawings the utility model is as shown in the figure, spiral organ drive unit 1, division bucket 2, sleeve drive unit 3, sleeve supporting 4, spiral organ 5, sleeve 6, collet head 7.

Embodiment the utility model is the sampling head of the loose unpacked material of sample devices, and it is installed on the elevating mechanism of sample devices, can along the track of elevating mechanism up or down straight line move, sampling head is not in the extreme higher position when sampling.During sampling, sampling head moves down under the effect of elevating mechanism, and sleeve 6 of rotation (containing sleeve 7) and the spiral organ that rotates insert in the material lentamente.Collet head 7 cuts into two parts to material, i.e. a part and the outer part of tube in the tube of sleeve 6; The spiral organ 5 that rotates stirs pine with the material in the tube, and utilizes the transport property of spiral to carry division bucket 2 to material from sleeve 6 airtight passages, and along with moving down of sampling head, sampling head can continuously collect the sample of the full degree of depth of this material.Getting into division bucket 2 and the material after division is the sample of being gathered.Arrive the bottom of material when sampling head after, its just upwards promotes automatically, be promoted to the extreme higher position after, this end of sampling.

Claims (3)

1. bulk material sampling head, it is by spiral organ drive unit (1), division bucket (2), sleeve drive unit (3), sleeve supporting (4), spiral organ (5), sleeve body (6), collet head (7) is formed.It is characterized in that sleeve (6) provides rotational power, sleeve supporting (4) support that fixes by drive unit (3); Spiral organ (5) provides rotational power and supporting by drive unit (1), and the conveyor screw of spiral organ (5) is in sleeve (6) inside.The head of spiral organ (5) is concordant with collet head (7) or slightly shorter than collet head (7) end.

2. sampling head according to claim 1 is characterized in that the bottom of sleeve (6) is provided with a dismountable collet head (7).

3. sampling head according to claim 1 is characterized in that the end of collet head (7) is inlaid with high-abrasive material.

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