CN212931970U - Sediment sampling device for river channel - Google Patents
Sediment sampling device for river channel Download PDFInfo
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- CN212931970U CN212931970U CN202021877049.2U CN202021877049U CN212931970U CN 212931970 U CN212931970 U CN 212931970U CN 202021877049 U CN202021877049 U CN 202021877049U CN 212931970 U CN212931970 U CN 212931970U
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- sampler barrel
- gear
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Abstract
The utility model relates to a sediment sampling device is used in river course, including the sampler barrel, sampler barrel lower extreme opening sets up, the sampler barrel top is provided with the venthole, the sampler barrel upwards coaxially is provided with the depression bar, the sampler barrel bottom subtend articulates there are two baffles, the baffle is located the one end in the sampler barrel outside articulates there is the connecting rod, the connecting rod articulates with elevating system, elevating system realizes the reciprocal action of straight line of vertical direction. The utility model has the advantages of easy and simple to handle, the leakproofness is good, do not influence the sample.
Description
Technical Field
The utility model relates to a sediment sample technical field especially relates to a sediment sampling device for river course.
Background
The sediment refers to a mixture of organic and inorganic debris and soil at the bottom of a water area environment, and a sediment sample needs to be collected in order to research the accumulation, distribution, transformation and migration rules of pollutants discharged into the water body in the sediment.
General river course rivers are gentler, and the water level is lower, and the manual work station can be taken a sample to it in the waters or take advantage of the ship, and the sampler barrel that can push down formula is adopted mostly to take a sample during the manual sampling, but the protection to the bed mud layering is the hardest of general sampling equipment, reduces to spill under the action of gravity bottom when lifting promptly and plays crucial effect to the integrality of sample.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve is how to provide a bottom mud sampling device for river course easy and simple to handle, the leakproofness is good, do not influence the sample.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a sediment sampling device for river course, includes the sampler barrel, sampler barrel lower extreme opening sets up, the sampler barrel top is provided with the venthole, the sampler barrel upwards coaxially is provided with the depression bar, sample barrel bottom subtend articulates there are two baffles, the baffle is located the one end in the sampler barrel outside articulates there is the connecting rod, the connecting rod is articulated with the elevating system hinge, elevating system realizes the straight reciprocating motion of vertical direction.
When the sampling device is used, an operator holds the pressure rod by hand, the lifting mechanism moves upwards to drive the connecting rod to ascend, the point where the bottom of the connecting rod is hinged with the baffle drives the baffle to rotate downwards at the lower end of the sampling cylinder and finally to be in a vertical state, the pressure rod is pressed to drive the sampling cylinder to move downwards, the baffle is nearly parallel to the axis of the sampling cylinder at the moment, the downward movement of the sampling cylinder cannot be hindered, the damage of bottom mud in the sampling range of the sampling cylinder cannot be influenced, the air pressure in the sampling cylinder can be reduced by the air outlet hole, meanwhile, liquid which enters the sampling cylinder in advance can be extruded out when the bottom mud rises, after sampling is completed, the lifting mechanism is descended to drive the pressure rod to move downwards, the baffle is further pushed to rotate to the bottom of the sampling cylinder to be sealed, then the pressure rod is pulled out, complete sampling can be realized, and in the process of leaving the, the sediment can not fall off, and the integrity of sampling is guaranteed.
As an optimization, the lifting mechanism comprises a circular ring which is sleeved outside the sampling barrel in a sliding manner, the circular ring is hinged to the connecting rod, a threaded hole is formed in the circular ring, a lead screw is matched in the threaded hole and rotatably installed on the outer side wall of the sampling barrel through a bearing, and the top of the lead screw is in transmission connection with the rotating handle.
Like this, twist grip can drive the lead screw and rotate, and the lead screw is installed on the sampling tube by the bearing, and the lead screw realizes the rotation, and the ring above that can realize going up and down on the lateral wall of sampling tube at the in-process of rotation, accomplishes elevating system and revolves to the different formation reciprocal elevating movements of turning to the process that the rotatory action turns into elevating movements is for directly pushing down and lifting, can absorb with less power, plays the effect of laborsaving.
As an optimization, the lead screw with still be provided with reduction gears between the twist grip, reduction gears include with the coaxial fixed connection's of lead screw first gear, still include with the coaxial fixed connection's of twist grip second gear, first gear with the meshing transmission of second gear, just the number of teeth of first gear is greater than the number of teeth of second gear.
Therefore, after the rotating handle is rotated, the second gear is driven to rotate, the first gear is driven to rotate at the same time, the first gear synchronously drives the screw to rotate, the number of teeth of the first gear is larger than the number of teeth of the second gear to realize speed reduction, the number of rotations is increased, the input of force is reduced, and the effect of saving labor is achieved.
As optimization, a vertical through hole is further formed in the circular ring, an optical axis is arranged in the through hole, and the optical axis is vertically arranged on the outer side wall of the sampling tube.
Like this, the optical axis can play the guide effect to the lift action of ring, avoids producing the partial action of ring because of the cooperation of lead screw and screw hole, has also ensured that two baffles in bottom can rotate in step.
As optimization, the baffle includes semicircle portion and connecting portion, semicircle portion with the sampling tube bottom matches, connecting portion to the outside extension of sampling tube, the sampling tube with connecting portion are articulated.
Like this, the baffle can not occupy the space of sampling barrel bottom when articulated with the sampling barrel for the closed back of baffle can hug closely in the bottom of sampling barrel, can not leave the clearance, and the guarantee baffle avoids the bed mud to spill to the sealing connection of sampling barrel.
The utility model has the advantages that: can realize quick taking a sample to the bed mud, and can be in time seal the bottom before lifting up, guarantee the integrality of bed mud, the labour saving operation, simple structure.
Drawings
Fig. 1 is a schematic structural diagram of a sediment sampling device for a river channel.
Fig. 2 is a schematic structural view of the river sediment sampling device shown in fig. 1 after the baffle is closed.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural diagram of a-a in fig. 1.
Fig. 5 is a bottom view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-5, a sediment sampling device for river course, includes sampler barrel 1, 1 lower extreme opening setting of sampler barrel, 1 top of sampler barrel is provided with venthole 11, 1 upwards coaxial depression bar 12 that is provided with of sampler barrel, 1 bottom subtend of sampler barrel articulates there are two baffles 13, baffle 13 is located the one end in the 1 outside of sampler barrel articulates there is connecting rod 14, connecting rod 14 articulates with elevating system, elevating system realizes the straight line reciprocating motion of vertical direction.
When the sampling device is used, an operator holds the pressure rod by hand, the lifting mechanism moves upwards to drive the connecting rod to ascend, the point where the bottom of the connecting rod is hinged with the baffle drives the baffle to rotate downwards at the lower end of the sampling cylinder and finally to be in a vertical state, the pressure rod is pressed to drive the sampling cylinder to move downwards, the baffle is nearly parallel to the axis of the sampling cylinder at the moment, the downward movement of the sampling cylinder cannot be hindered, the damage of bottom mud in the sampling range of the sampling cylinder cannot be influenced, the air pressure in the sampling cylinder can be reduced by the air outlet hole, meanwhile, liquid which enters the sampling cylinder in advance can be extruded out when the bottom mud rises, after sampling is completed, the lifting mechanism is descended to drive the pressure rod to move downwards, the baffle is further pushed to rotate to the bottom of the sampling cylinder to be sealed, then the pressure rod is pulled out, complete sampling can be realized, and in the process of leaving the, the sediment can not fall off, and the integrity of sampling is guaranteed.
In this embodiment, elevating system is in including sliding cup joint the ring 15 in the sampling tube 1 outside, ring 15 with connecting rod 14 is articulated, the threaded hole on the ring 15, threaded hole fit has lead screw 16, lead screw 16 passes through the bearing and rotates and install on the lateral wall of sampling tube 1, the top of lead screw 16 is connected with twist grip 17 transmission.
Like this, twist grip can drive the lead screw and rotate, and the lead screw is installed on the sampling tube by the bearing, and the lead screw realizes the rotation, and the ring above that can realize going up and down on the lateral wall of sampling tube at the in-process of rotation, accomplishes elevating system and revolves to the different formation reciprocal elevating movements of turning to the process that the rotatory action turns into elevating movements is for directly pushing down and lifting, can absorb with less power, plays the effect of laborsaving.
In this embodiment, the lead screw 16 with still be provided with reduction gears between the twist grip 17, reduction gears include with the coaxial fixed connection's of lead screw 16 first gear 18, still include with the coaxial fixed connection's of twist grip 17 second gear 19, first gear 18 with the meshing transmission of second gear 19, just the number of teeth of first gear 18 is greater than the number of teeth of second gear 19.
Therefore, after the rotating handle is rotated, the second gear is driven to rotate, the first gear is driven to rotate at the same time, the first gear synchronously drives the screw to rotate, the number of teeth of the first gear is larger than the number of teeth of the second gear to realize speed reduction, the number of rotations is increased, the input of force is reduced, and the effect of saving labor is achieved.
In this embodiment, still be provided with vertical through-hole on the ring 15, be provided with optical axis 2 in the through-hole, optical axis 2 is vertical to be set up the lateral wall of sampler barrel 1.
Like this, the optical axis can play the guide effect to the lift action of ring, avoids producing the partial action of ring because of the cooperation of lead screw and screw hole, has also ensured that two baffles in bottom can rotate in step.
In this embodiment, baffle 13 includes semicircle portion and connecting portion, semicircle portion with matching in sampling tube 1 bottom, connecting portion to the outside extension of sampling tube, sampling tube 1 with connecting portion are articulated.
Like this, the baffle can not occupy the space of sampling barrel bottom when articulated with the sampling barrel for the closed back of baffle can hug closely in the bottom of sampling barrel, can not leave the clearance, and the guarantee baffle avoids the bed mud to spill to the sealing connection of sampling barrel.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (5)
1. The utility model provides a sediment sampling device for river course, its characterized in that, includes the sampler barrel, sampler barrel lower extreme opening sets up, the sampler barrel top is provided with the venthole, the sampler barrel upwards coaxially is provided with the depression bar, sampler barrel bottom subtend articulates there are two baffles, the baffle is located the one end in the sampler barrel outside articulates there is the connecting rod, the connecting rod articulates with elevating system, elevating system realizes the straight line reciprocating motion of vertical direction.
2. The sediment sampling device of claim 1, wherein the lifting mechanism comprises a ring slidably sleeved on the outer side of the sampling cylinder, the ring is hinged to the connecting rod, a threaded hole is formed in the ring, a lead screw is matched in the threaded hole, the lead screw is rotatably mounted on the outer side wall of the sampling cylinder through a bearing, and the top of the lead screw is in transmission connection with a rotating handle.
3. The sediment sampling device for the river channel of claim 2, wherein a speed reduction mechanism is further arranged between the screw rod and the rotating handle, the speed reduction mechanism comprises a first gear coaxially and fixedly connected with the screw rod and a second gear coaxially and fixedly connected with the rotating handle, the first gear and the second gear are in meshing transmission, and the number of teeth of the first gear is greater than that of the second gear.
4. The sediment sampling device for the river channel as claimed in claim 3, wherein the ring is further provided with a vertical through hole, an optical axis is arranged in the through hole, and the optical axis is vertically arranged on the outer side wall of the sampling cylinder.
5. The sediment sampling device of claim 4, wherein the baffle comprises a semicircular part and a connecting part, the semicircular part is matched with the bottom of the sampling cylinder, the connecting part extends to the outside of the sampling cylinder, and the sampling cylinder is hinged with the connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021877049.2U CN212931970U (en) | 2020-09-01 | 2020-09-01 | Sediment sampling device for river channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021877049.2U CN212931970U (en) | 2020-09-01 | 2020-09-01 | Sediment sampling device for river channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212931970U true CN212931970U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021877049.2U Active CN212931970U (en) | 2020-09-01 | 2020-09-01 | Sediment sampling device for river channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212931970U (en) |
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2020
- 2020-09-01 CN CN202021877049.2U patent/CN212931970U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401122 g7-5, science and technology innovation center, Liangjiang New Area, 74 Yunhe Road, Beibei District, Chongqing Patentee after: Zhongke Testing Technology Service (Chongqing) Co.,Ltd. Patentee after: ZHONGKE GUANGHUA (CHONGQING) NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. Address before: 401122 g7-5, science and technology innovation center, Liangjiang New Area, 74 Yunhe Road, Beibei District, Chongqing Patentee before: CHONGQING CAS TESTING TECHNOLOGY SERVICES Co.,Ltd. Patentee before: ZHONGKE GUANGHUA (CHONGQING) NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. |