CN210123355U

CN210123355U - Full-section drainage sampler

Info

Publication number: CN210123355U
Application number: CN201920646953.3U
Authority: CN
Inventors: 楼皓; 赵振波; 单炯
Original assignee: Hangzhou Qianjiang Instrument And Equipment Co Ltd
Current assignee: Hangzhou Qianjiang Instrument And Equipment Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-03-03
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a sampler especially relates to a full cross-section drainage sampler. The utility model provides a pair of full cross-section drainage sampler aims at overcoming the not enough of sampler sampling precision low among the prior art. The utility model provides a pair of full cross-section drainage sampler, including the base, set up pole setting and the rocking arm of setting in the pole setting on the base, be provided with the thief rod on the rocking arm, the thief rod includes outer pole and interior pole, forms the drainage wind channel between outer pole and the interior pole, is provided with the absorption chamber in the pole including, still is provided with the guide part on the outer pole, and the guide part is with the leading-in absorption chamber of air current in the drainage wind channel. In the sampling process, the air flow in the drainage channel enters the adsorption cavity after being guided by the guide part and is matched with the adsorption acting force of the adsorption cavity, the scheme can effectively complete sampling operation, and the sampling precision is improved and the performance of the full-section drainage sampler is optimized compared with the prior art which only depends on the adsorption acting force for sampling.

Description

Full-section drainage sampler

Technical Field

The utility model relates to a sampler especially relates to a full cross-section drainage sampler.

Background

A sampler is a device commonly used in the field of inspection for performing a sampling operation on a material to perform a sampling inspection of the material. For example, when sampling grain, the grain needs to be sampled, and then the sample is inspected to determine whether the grain quality meets the relevant requirements.

Sampler simple structure among the prior art, including sampling tube and air extractor, make the interior negative pressure that forms of sampling tube by the air extractor, the material of being sampled gets into the intraductal realization sample of sampling under the effect of negative pressure. The sampling device has simple structure and low sampling precision, for example, when in actual sampling, only negative pressure is utilized to make materials enter the sampling tube, and lighter materials are easier to enter the sampling tube, so that the sampling precision is reduced. Therefore, the sampler in the prior art has unreasonable structure and low sampling precision.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of full cross-section drainage sampler aims at overcoming the not enough of sampler sampling precision low among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a full cross-section drainage sampler, includes the base, set up in pole setting on the base with set up in rocking arm in the pole setting be provided with the thief rod on the rocking arm, the thief rod include the outer pole with set up in interior pole in the outer pole, the outer pole with form the drainage wind channel between the interior pole, be provided with the absorption chamber that has adsorption efficiency in the interior pole, interior pole include with adsorb the communicating feed inlet in chamber be provided with on the outer pole and make the air current in the drainage wind channel get into to the air current direction in the drainage wind channel the guide part of feed inlet, this full cross-section drainage sampler still including the suction fan that the extraction adsorbed the intracavity air current and to sending into the forced draught blower of air current in the drainage wind channel.

The utility model provides a pair of full cross-section drainage sampler, including the base, set up pole setting and the rocking arm of setting in the pole setting on the base, be provided with the thief rod on the rocking arm, the thief rod includes outer pole and interior pole, forms the drainage wind channel between outer pole and the interior pole, is provided with the absorption chamber in the pole including, still is provided with the guide part on the outer pole, and the guide part is with the leading-in absorption chamber of air current in the drainage wind channel. In the sampling process, the air flow in the drainage channel enters the adsorption cavity after being guided by the guide part and is matched with the adsorption acting force of the adsorption cavity, the scheme can effectively complete sampling operation, and the sampling precision is improved and the performance of the full-section drainage sampler is optimized compared with the prior art which only depends on the adsorption acting force for sampling.

Preferably, the guide part makes the airflow entering the feed port from the drainage air duct be an arc-shaped track.

The arc-shaped track is favorable for the circulation of air flow, prevents the air flow from forming turbulent flow at the guide part, and optimizes the performance of the full-section drainage sampler.

Preferably, the guide part is formed by bending the outer rod, and one end of the guide part, which is far away from the outer rod, is bent towards the feed port.

The structure of the outer rod is simplified, and the performance of the outer rod is optimized because air flow cannot leak.

Preferably, the guide portion is welded to the outer rod; or the guide part is fixed on the outer rod through a bolt, a sealing gasket is arranged between the guide part and the outer rod, and the sealing gasket is bonded on the guide part.

The scheme enables the outer rod to be easy to manufacture, and reduces the manufacturing cost of the outer rod.

Preferably, a connecting column is arranged between the outer rod and the inner rod and is arranged along the diameter direction of the outer rod, the cross section of the connecting column is circular, and the outer rod and the inner rod are coaxially arranged.

The outer rod is firmly connected with the inner rod. And the cross section of the connecting column is circular, so that the connecting column cannot generate large influence on airflow in the drainage channel, and the performance of the sampling rod is optimized.

Preferably, the rocker arm is rotatably connected to the upright rod, the rocker arm is sleeved on the upright rod, the upright rod is integrally provided with a limit block for limiting the position of the rocker arm relative to the upright rod, the rocker arm is lapped on the limit block, the upright rod is further fixed with a fixed gear, the rocker arm is provided with a driving gear meshed with the fixed gear, and the driving gear is driven to rotate by a rotary motion output device fixed on the rocker arm.

The driving gear is meshed with the fixed gear, the rocker arm has higher rotation precision, and the performance of the full-section drainage sampler is optimized.

Preferably, the rocker arm is a hydraulic arm, the rocker arm comprises a cylinder body and a piston rod which is arranged on the cylinder body and stretches out and draws back relative to the cylinder body, the cylinder body is arranged on the upright rod, and the sampling rod is arranged on the piston rod.

The length of the rocker arm can be adjusted, and the operation performance of the full-section drainage sampler is optimized.

Preferably, the upright rod is a hydraulic rod, the upright rod comprises a hydraulic cylinder and a telescopic rod which is arranged on the hydraulic cylinder and extends and retracts relative to the hydraulic cylinder, the hydraulic cylinder is fixed on the base, and the rocker arm is fixed on the telescopic rod.

The relative position of the rocker arm relative to the base can be adjusted, and the performance of the full-section drainage sampler is optimized.

Preferably, a support rod is further arranged between the vertical rod and the rocker arm, one end of the support rod is hinged to the vertical rod, the other end of the support rod is hinged to the rocker arm, and the support rod is a telescopic rod with telescopic capacity.

The telescopic link mainly plays the effect of supporting the rocking arm, has improved the stability in the actual working process of full cross-section drainage sampler.

The utility model provides a pair of full cross-section drainage sampler has following advantage:

1. the setting in drainage wind channel mainly used makes the air current blow to the absorption chamber, and the sample to the sample is accomplished to the absorption effort in cooperation absorption chamber, and this scheme only relies on the absorption effort sample for prior art, has improved the sampling precision.

2. The guide part is arranged to facilitate airflow to enter the adsorption cavity, so that the performance of the full-section drainage sampler is optimized.

Drawings

FIG. 1 is a schematic view of a full-section drainage sampler of the present invention,

figure 2 is the partial cross-sectional view of the utility model relates to a thief rod in full cross-section drainage sampler.

Detailed Description

The whole cross-section drainage sampler of the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the full-section drainage sampler comprises a base 1, an upright 2 arranged on the base 1 and a rocker 3 arranged on the upright 2, wherein the base 1 can be fixed on the ground, the base 1 can also be fixed on a trolley, the fixing position of the base 1 is not limited, and the base can be reasonably selected by a person skilled in the art according to needs.

Be provided with thief rod 4 on rocking arm 3, thief rod 4 include outer pole 5 and set up in interior pole 6 in the outer pole 5, outer pole 5 with form drainage wind channel 7 between interior pole 6, be provided with the absorption chamber 8 that has adsorption capacity in interior pole 6, interior pole 6 include with the communicating feed inlet in absorption chamber 8 be provided with on outer pole 5 and make the air current in the drainage wind channel 7 get into to the air current direction in the drainage wind channel 7 the guide part 9 of feed inlet, this full cross-section drainage sampler still including the extraction absorb the suction fan 10 of the interior air current of chamber 8 and send into the forced draught blower 11 of air current in the drainage wind channel 7.

Specifically, the suction fan 10 draws out the gas in the adsorption chamber 8 to generate an adsorption force in the adsorption chamber 8 to suck a sample and sample the material. However, the sample with smaller volume and mass is easier to be adsorbed during the sampling process by relying on the adsorption force for sampling, and the sample with smaller volume and mass in the actual material is not likely to be so much, so the scheme influences the sampling precision of the sample. Therefore, the air blower 11 is arranged, so that air flow generated by the air blower 11 enters the adsorption cavity 8 through the air guide duct 7 and the guide part 9, a sample bears adsorption acting force and blowing acting force, the sample easily enters the adsorption cavity 8, and the sampling precision of the sample is improved.

The guide part 9 makes the air flow entering the feed inlet from the drainage air duct 7 be an arc-shaped track. The air flow is an arc-shaped track, so that the air flow is not easy to generate turbulent flow, and the performance of the sampling rod 4 is optimized.

The connection between the guide 9 and the outer rod 5 may be: the guide part 9 is formed by bending the outer rod 5, and one end, far away from the outer rod 5, of the guide part 9 is bent towards the feeding hole. The guide part 9 is welded on the outer rod 5; or, the guide part 9 is fixed on the outer rod 5 through a bolt, a sealing gasket is arranged between the guide part 9 and the outer rod 5, and the sealing gasket is adhered to the guide part 9.

The connection mode of the guide part 9 and the outer rod 5 is not limited, and can be reasonably set by a person skilled in the art according to the requirement. Considering the manufacture of the outer rod 5, the guide portion 9 and the outer rod 5 are independent of each other, which facilitates the processing of the outer rod 5 and the guide portion 9, and reduces the manufacturing cost of the outer rod 5.

As shown in fig. 1, a connecting column is arranged between the outer rod 5 and the inner rod 6, the connecting column is arranged along the diameter direction of the outer rod 5, the cross section of the connecting column is circular, and the outer rod 5 and the inner rod 6 are coaxially arranged. The connecting column may be welded between the outer rod 5 and the inner rod 6. The connecting column can also be arranged between the inner rod 6 and the outer rod 5 in other ways. In order to facilitate the assembly of the connecting column, the connecting column should be located at one end of the outer rod 5, and in order to reduce the influence of the connecting column on the air flow, the air flow blown out by the blower 11 may not be blown to the connecting column.

The swing arm 3 is rotatably connected to the upright rod 2, the swing arm 3 is sleeved on the upright rod 2, the upright rod 2 is integrally provided with a limit block 12 for limiting the position of the swing arm 3 relative to the upright rod 2, the limit block 12 can be in an integral structure with the upright rod 2, the swing arm 3 is connected to the limit block 12 in an overlapping mode, the swing arm 3 is provided with an assembly hole matched with the upright rod 2, the cross section of the upright rod 2 is circular, the upright rod 2 is further fixedly provided with a fixed gear 13, the fixed gear 13 can be welded to the upright rod 2, namely, the fixed gear 13 is not rotated around the axis of the upright rod 2, the swing arm 3 is provided with a driving gear 14 meshed with the fixed gear 13, and the driving gear 14 is driven to rotate by a rotary motion output device 15 fixed on the swing arm 3. The rotary motion output device 15 may be a structure having a rotary motion output capability, such as a hydraulic motor or an electric motor.

The rotary motion follower 15 rotates the driving gear 14, the driving gear 14 is engaged with the fixed gear 13, and the driving gear 14 rotates the swing arm 3 around the vertical rod 2 because the fixed gear 13 does not rotate.

The rocker arm 3 is a hydraulic arm, the rocker arm 3 comprises a cylinder body and a piston rod arranged on the cylinder body and stretching relative to the cylinder body, the cylinder body is arranged on the upright rod 2, and the sampling rod 4 is arranged on the piston rod. The sampling rod 4 can be hinged on the piston rod, the sampling rod 4 can also be fixed on the piston rod in other modes, the fixing modes of the sampling rod 4 and the piston rod are not limited, and the sampling rod can be reasonably selected by a person skilled in the art according to needs.

The upright rod 2 is a hydraulic rod, the upright rod 2 comprises a hydraulic cylinder and a telescopic rod which is arranged on the hydraulic cylinder and extends and retracts relative to the hydraulic cylinder, the hydraulic cylinder is fixed on the base 1, and the rocker arm 3 is fixed on the telescopic rod. A support rod 16 is further arranged between the vertical rod 2 and the rocker arm 3, one end of the support rod 16 is hinged to the vertical rod 2, the other end of the support rod 16 is hinged to the rocker arm 3, and the support rod 16 is a telescopic rod with telescopic capacity. Still should overlap on pole setting 2 and be equipped with the retainer plate, branch 16 is fixed in pole setting 2 through the retainer plate on, the retainer plate rotates and connects on pole setting 2 to do benefit to branch 16 and rotate for pole setting 2 along with rocking arm 3.

The above is only the preferred embodiment of the present invention, which aims to embody the outstanding technical effects and advantages of the present invention, and is not the limitation of the technical solution of the present invention. It should be understood by those skilled in the art that all modifications, changes or alternative technical features made based on the technical contents of the present invention should be covered within the technical scope of the appended claims.

Claims

1. The utility model provides a full cross-section drainage sampler, include base (1), set up in pole setting (2) on base (1) with set up in rocking arm (3) on pole setting (2) be provided with thief rod (4), its characterized in that on rocking arm (3): sampling rod (4) include outer pole (5) and set up in interior pole (6) in outer pole (5), outer pole (5) with form drainage wind channel (7) between interior pole (6), be provided with absorption chamber (8) that have adsorption affinity in interior pole (6), interior pole (6) include with absorb the communicating feed inlet in chamber (8) be provided with on outer pole (5) and make the air current in drainage wind channel (7) get into to the air current direction in drainage wind channel (7) guide portion (9) of feed inlet, this full cross-section drainage sampler still including extracting suction fan (10) of absorbing chamber (8) interior air current and send into forced draught blower (11) of air current in drainage wind channel (7).

2. A full-section drainage sampler according to claim 1 wherein: the guide part (9) enables the air flow entering the feed inlet from the drainage air duct (7) to be in an arc-shaped track.

3. A full-section drainage sampler according to claim 2 wherein: the guide part (9) is formed by bending the outer rod (5), and one end, far away from the outer rod (5), of the guide part (9) is bent towards the feeding hole.

4. A full-section drainage sampler according to claim 1 or 2 or 3 wherein: the guide part (9) is welded on the outer rod (5); or the guide part (9) is fixed on the outer rod (5) through a bolt, a sealing gasket is arranged between the guide part (9) and the outer rod (5), and the sealing gasket is bonded on the guide part (9).

5. A full-section drainage sampler according to claim 1 wherein: the outer rod (5) and the inner rod (6) are provided with a connecting column therebetween, the connecting column is arranged along the diameter direction of the outer rod (5), the cross section of the connecting column is circular, and the outer rod (5) and the inner rod (6) are coaxially arranged.

6. A full-section drainage sampler according to claim 1 wherein: the swing arm (3) is rotatably connected to the vertical rod (2), the swing arm (3) is sleeved on the vertical rod (2), a limiting block (12) for limiting the position of the swing arm (3) relative to the vertical rod (2) is integrally arranged on the vertical rod (2), the swing arm (3) is connected to the limiting block (12) in a lap joint mode, a fixed gear (13) is further fixed to the vertical rod (2), a driving gear (14) meshed with the fixed gear (13) is arranged on the swing arm (3), and the driving gear (14) is driven to rotate by a rotary motion output device (15) fixed to the swing arm (3).

7. A full-section drainage sampler according to claim 1 wherein: the rocker arm (3) is a hydraulic arm, the rocker arm (3) comprises a cylinder body and a piston rod arranged on the cylinder body and stretching relative to the cylinder body, the cylinder body is arranged on the upright rod (2), and the sampling rod (4) is arranged on the piston rod.

8. A full-section drainage sampler according to claim 1 wherein: the hydraulic lifting device is characterized in that the vertical rod (2) is a hydraulic rod, the vertical rod (2) comprises a hydraulic cylinder and a telescopic rod which is arranged on the hydraulic cylinder and is telescopic relative to the hydraulic cylinder, the hydraulic cylinder is fixed on the base (1), and the rocker arm (3) is fixed on the telescopic rod.

9. A full-section drainage sampler according to claim 1 wherein: a supporting rod (16) is further arranged between the vertical rod (2) and the rocker arm (3), one end of the supporting rod (16) is hinged to the vertical rod (2), the other end of the supporting rod (16) is hinged to the rocker arm (3), and the supporting rod (16) is a telescopic rod with telescopic capacity.