CN204177625U - A kind of sampler measuring grain size of sediment - Google Patents

A kind of sampler measuring grain size of sediment Download PDF

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Publication number
CN204177625U
CN204177625U CN201420596838.7U CN201420596838U CN204177625U CN 204177625 U CN204177625 U CN 204177625U CN 201420596838 U CN201420596838 U CN 201420596838U CN 204177625 U CN204177625 U CN 204177625U
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CN
China
Prior art keywords
sampler
agitator
vertical guide
vertical
sediment
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Expired - Fee Related
Application number
CN201420596838.7U
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Chinese (zh)
Inventor
柴小平
薛彬
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Marine Eco-Environment Monitoring Station Zhoushan Zhejiang Province
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Marine Eco-Environment Monitoring Station Zhoushan Zhejiang Province
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Priority to CN201420596838.7U priority Critical patent/CN204177625U/en
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Publication of CN204177625U publication Critical patent/CN204177625U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of sampler measuring grain size of sediment, aim to provide a kind of effective improvement sampling mode of the prior art and sample the sampler that the sediment product to be checked obtained are difficult to well represent the entirety of whole sample or the problem of average level.It comprises bracing frame, by the rotating agitator be arranged on bracing frame of vertical rotating shaft, for driving agitator around the rotating driving device of vertical axis of rotation and homogenizing sampler, and the upper end open of agitator, agitator inwall is provided with some agitating plates; On support frame as described above, be positioned at agitator side and be provided with vertical guide rod, vertical guide rod is slidably provided with sliding sleeve, on vertical guide rod, be positioned at below sliding sleeve and be provided with the first spacing block set, and the first spacing block set is positioned at above agitator; Also be provided with vertical guide pin bushing above described agitator, and this vertical guide pin bushing is connected with sliding sleeve by connecting rod; Homogenizing sampler comprises the sampler barrel be plugged in vertical guide pin bushing that can take out.

Description

A kind of sampler measuring grain size of sediment
Technical field
The utility model relates to a kind of sampler, is specifically related to a kind of sampler measuring grain size of sediment.
Background technology
Sediment (substrate) sample gathering water bottom (river bed, seabed etc.) is generally gathered by harvesters such as grab bucket-type dredger, anchor formula bottom sampler, box bottom samplers, there is inhomogeneity in sediment (substrate) sample itself that these harvesters gather, the species distribution of sediment each several part is uneven; At this moment just encounter the problem typical of sample, whether namely selected sediment product to be checked can represent entirety or the average level of whole sample; Therefore experimenter is before carrying out the work such as chemical detection or sreen analysis, how to make the sediment of sampling product to be checked represent entirety or the average level of whole sample as much as possible, and it is the precondition ensureing analysis result reliability.
At present, sediment sample, after obtaining sediment sample, is normally put into a container, and is added a certain amount of distilled water or pure water by experimenter; Then puddler is utilized to stir; Again then, stop stirring, and the sampling instruments such as dropper are by sampling in container as sediment product to be checked.There is following defect in current this sampling mode: one, the sediment distribution in container can be made comparatively even although utilize puddler to stir, but due to granularity, the proportion difference of sediment sample, the sedimentary particle that part proportion granularity is larger is easily distributed in lower vessel portion, and this just makes levels sample distribution in container uneven; Thus make to sample entirety or the average level that the sediment obtained product to be checked are difficult to well represent whole sample.They are two years old, the sediment distribution in container can be made comparatively even although utilize puddler to stir, but it needs when sampling to stop stirring, and the sediment sample in this process in container will precipitate, to make in container levels sample distribution uneven equally, and then make to sample entirety or average level that the sediment obtained product to be checked are difficult to well represent whole sample.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided a kind of effectively to improve sampling mode of the prior art and sample the sediment product to be checked obtained and be difficult to well represent the entirety of whole sample or the problem of average level, the sediment product to be checked experimenter being sampled obtain can be good at representing the sampler of the entirety of whole sample or the measurement grain size of sediment of average level.
The technical solution of the utility model is:
A kind of sampler measuring grain size of sediment, comprise bracing frame, by the rotating agitator be arranged on bracing frame of vertical rotating shaft, for driving agitator around the rotating driving device of vertical axis of rotation and homogenizing sampler, the upper end open of described agitator, agitator inwall is provided with some agitating plates; On support frame as described above, be positioned at agitator side and be provided with vertical guide rod, vertical guide rod is slidably provided with sliding sleeve, on vertical guide rod, be positioned at below sliding sleeve and be provided with the first spacing block set, and the first spacing block set is positioned at above agitator; Also be provided with vertical guide pin bushing above described agitator, and this vertical guide pin bushing is connected with sliding sleeve by connecting rod; Described homogenizing sampler comprises the sampler barrel be plugged in vertical guide pin bushing that can take out, be arranged on the lower annular stop block of sampler barrel inner wall lower, the upper annular limited block being arranged on sampler barrel upper inside wall and the control lever be plugged in sampler barrel, described sampler barrel upper end open, lower end closed, sampler barrel lateral surface top, be positioned at above vertical guide pin bushing and be provided with the second spacing block set; Some sampling through holes be equally spaced are provided with from bottom to top on sampler barrel lateral surface, between upper annular limited block and lower annular stop block, in sampler barrel, between upper annular limited block and lower annular stop block, be provided with some valve pockets be equally spaced from bottom to top, and each valve pocket and each sampling through hole one_to_one corresponding, the upper end of described control lever is positioned at above sampler barrel, the lower end of control lever is through each valve pocket, and each valve pocket is connected respectively by connecting rod with between control lever, each valve pocket lateral surface is respectively equipped with upper and lower two O-ring seals.Each valve pocket can slide along sampler barrel, and when the valve pocket of the top is resisted against on upper annular limited block, between upper and lower two O-ring seals of each sampling through hole on corresponding valve pocket; When the valve pocket of bottom is resisted against on lower annular stop block, each sampling through hole is positioned at the top of upper and lower two O-ring seals on corresponding valve pocket.
The sampler of this programme drives agitator to rotate by rotating driving device, thus stirs the sample in agitator, and the sample in agitator is roughly evenly distributed; And can sample in agitator rotary course, effectively avoid the sample deposition in sampling process in agitator, thus make the sediment of sampling product to be checked can be good at representing the entirety of whole sample or the measurement grain size of sediment of average level.
Further, the homogenizing sampler of this programme, can by some sampling through holes be equally spaced from bottom to top in sampling process, simultaneously to the sample of different depth layer in agitator, and by the sample mix of the different depth layer that obtains one, finally become sediment product to be checked; Thus can effectively improve because levels sample distribution in agitator is uneven, and make to sample the sediment obtained product to be checked and be difficult to well represent the entirety of whole sample or the problem of average level, make the sediment of sampling product to be checked can be good at representing the entirety of whole sample or the measurement grain size of sediment of average level further.
As preferably, on control lever, be positioned at above annular limited block and be provided with the 3rd collar stop, and be arranged with Compress Spring on control lever, between upper annular limited block and the 3rd collar stop.The homogenizing sampler of this programme structure can handled easily person sampling.
As preferably, each agitating plate is vertically arranged, and each agitating plate is uniform around vertical rotating shaft circumference, and agitating plate extends along vertical rotating shaft radial direction, and each agitating plate is provided with some wake turbulence through holes.
The agitating plate distributed architecture of this programme is conducive to raising and stirs effect.Further, because each agitating plate is provided with some wake turbulence through holes, wake turbulence through hole can improve the mixing uniformity of the sample in agitator further.
As preferably, the upper end of agitator is provided with upper cover, is provided with coaxially with vertical rotating shaft to dodge through hole in the middle part of upper cover; On described vertical guide rod, be positioned at above the first spacing block set and be provided with vertical limit sliding chutes, described sliding sleeve medial surface is provided with the position limiting slide block matched with vertical limit sliding chutes, described vertical guide pin bushing and vertical rotating shaft are coaxially arranged, the lower end of described sampler barrel through dodging through hole, and bottom the agitator.The upper cover of this programme structure can be avoided in agitator rotary course, and sample splashes or throws away; Simultaneously by the setting of all the other structures, make still can sample in agitator rotary course.
As preferably, the lower end of sampler barrel is provided with gets fluid through-hole, and this is got fluid through-hole place and is provided with dismountable end cover.
As preferably, the upper end of control lever is provided with holding rod, this holding rod and control lever perpendicular.
As preferably, rotating driving device comprises the gear drive being arranged on motor on bracing frame and vertical connecting rotating shaft and motor output shaft.
The beneficial effects of the utility model are: effectively improve sampling mode of the prior art and sample the sediment product to be checked obtained and is difficult to well represent the entirety of whole sample or the problem of average level, and the sediment product to be checked experimenter being sampled obtain can be good at representing entirety or the average level of whole sample.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
In figure: bracing frame 1, agitator 2, vertical guide rod 3, wake turbulence through hole 4, agitating plate 5, the first spacing block set 6, sliding sleeve 7, vertical limit sliding chutes 8, connecting rod 9, upper cover 10, vertical guide pin bushing 11, holding rod 12, control lever 13, the second spacing block set the 14, three collar stop 15, Compress Spring 16, upper annular limited block 17, sampling through hole 18, valve pocket 19, sampler barrel 20, lower annular stop block 21, get fluid through-hole 22, end cover 23, vertical rotating shaft 24, gear drive 25, motor 26, O-ring seal 27, connecting rod 28.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, a kind of sampler measuring grain size of sediment comprises bracing frame 1, by the rotating agitator 2 be arranged on bracing frame of vertical rotating shaft 24, for driving agitator around the rotating driving device of vertical axis of rotation and homogenizing sampler.Rotating driving device comprises the gear drive 25 being arranged on motor 26 on bracing frame and vertical connecting rotating shaft and motor output shaft.Gear drive comprises the driving gear be connected with motor output shaft and the follower gear be connected with vertical rotating shaft.The upper end open of agitator, lower end closed.The upper end of agitator is provided with upper cover 10.Be provided with in the middle part of upper cover and coaxially with vertical rotating shaft dodge through hole.Agitator inwall is provided with some agitating plates 5.Each agitating plate is vertically arranged.Each agitating plate is uniform around vertical rotating shaft circumference, and agitating plate extends along vertical rotating shaft radial direction.Each agitating plate is provided with some wake turbulence through holes 4.
On bracing frame, be positioned at agitator side and be provided with vertical guide rod 3.Vertical guide rod is slidably provided with sliding sleeve 7.On vertical guide rod, be positioned at below sliding sleeve and be provided with the first spacing block set 6, and the first spacing block set is positioned at above agitator.On vertical guide rod, be positioned at above the first spacing block set and be provided with vertical limit sliding chutes 8.Sliding sleeve medial surface is provided with the position limiting slide block matched with vertical limit sliding chutes.Also be provided with vertical guide pin bushing 11 above agitator, and this vertical guide pin bushing is connected with sliding sleeve by connecting rod 9.Vertical guide pin bushing and vertical rotating shaft are coaxially arranged.
Homogenizing sampler comprises the sampler barrel 20 be plugged in vertical guide pin bushing that can take out, and is arranged on the lower annular stop block 21 of sampler barrel inner wall lower, the upper annular limited block 17 being arranged on sampler barrel upper inside wall and the control lever 13 be plugged in sampler barrel.Sampler barrel upper end open, lower end closed.The lower end of sampler barrel is provided with gets fluid through-hole 22, and this is got fluid through-hole place and is provided with dismountable end cover 23.Sampler barrel lateral surface top, be positioned at above vertical guide pin bushing and be provided with the second spacing block set 14.Second spacing block set is resisted against on vertical guide pin bushing.The lower end of sampler barrel through dodging through hole, and bottom the agitator.
Be provided with some sampling through holes 18 be equally spaced from bottom to top on sampler barrel lateral surface, between upper annular limited block and lower annular stop block, the quantity of the sampling through hole in the present embodiment is three.In sampler barrel, between upper annular limited block and lower annular stop block, be provided with some valve pockets 19 be equally spaced from bottom to top, and each valve pocket and each sampling through hole one_to_one corresponding.The quantity of the valve pocket in the present embodiment is three.The upper end of control lever is positioned at above sampler barrel.The upper end of control lever is provided with holding rod 12, this holding rod and control lever perpendicular.On control lever, be positioned at above annular limited block and be provided with the 3rd collar stop 15, and be arranged with Compress Spring 16 on control lever, between upper annular limited block and the 3rd collar stop.
As shown in Figure 1 and Figure 2, the lower end of control lever is through each valve pocket, and each valve pocket is connected respectively by connecting rod 28 with between control lever.Each valve pocket lateral surface is respectively equipped with upper and lower two O-ring seals 27.Each valve pocket can slide along sampler barrel, and when the valve pocket of the top is resisted against on upper annular limited block, between upper and lower two O-ring seals of each sampling through hole on corresponding valve pocket; When the valve pocket of bottom is resisted against on lower annular stop block, each sampling through hole is positioned at the top of upper and lower two O-ring seals on corresponding valve pocket.
A kind of concrete use procedure of measuring the sampler of grain size of sediment of the present utility model is as follows:
The first, by sliding sleeve 7, connecting rod 9, vertical guide pin bushing 11, homogenizing sampler and upper cover 10 take off; Then, sediment sample is put into agitator, and add a certain amount of distilled water or pure water; Then upper cover 10 is covered again, and sliding sleeve 7 is enclosed within vertical guide rod.
The second, the sampler barrel of homogenizing sampler is inserted in vertical guide pin bushing, and the second spacing block set is resisted against on vertical guide pin bushing.The lower end of sampler barrel through dodging through hole, and bottom the agitator; Then drive agitator to rotate by rotating driving device, thus the sample in agitator is stirred, the sample in agitator is roughly evenly distributed;
3rd, in agitator rotary course, sampled by homogenizing sampler; Concrete sampling operation is as follows:
By control lever toward pressing down, each valve pocket is driven to move down by control lever, until the valve pocket of bottom is resisted against on lower annular stop block; Through hole of now respectively sampling is positioned at the top of upper and lower two O-ring seals on corresponding valve pocket, thus open each sampling through hole, the fluid sample in agitator is made to flow into sampler barrel in, simultaneously to the sample of agitator in different depth layer by each sampling through hole be equally spaced from bottom to top; Then operator's releasing operation bar, control lever drives each valve pocket up to move, reset under the effect of Compress Spring, until the valve pocket of the top is resisted against on annular limited block; Now respectively sample between upper and lower two O-ring seals of through hole on corresponding valve pocket, thus close each sampling through hole.
4th, homogenizing sampler is up taken out, completes sampling.
The sampler of this programme can sample in agitator rotary course, effectively avoid the sample deposition in sampling process in agitator, thus make the sediment of sampling product to be checked can be good at representing the entirety of whole sample or the measurement grain size of sediment of average level.
On the other hand, the homogenizing sampler of this programme, can simultaneously to the sample of different depth layer in agitator in sampling process, and the sample mix one of different depth layer that will obtain, finally become sediment product to be checked; Thus can effectively improve because levels sample distribution in agitator is uneven, and make to sample the sediment obtained product to be checked and be difficult to well represent the entirety of whole sample or the problem of average level, make the sediment of sampling product to be checked can be good at representing the entirety of whole sample or the measurement grain size of sediment of average level further.

Claims (8)

1. measure the sampler of grain size of sediment for one kind, it is characterized in that, comprise bracing frame (1), by the rotating agitator (2) be arranged on bracing frame of vertical rotating shaft (24), for driving agitator around the rotating driving device of vertical axis of rotation and homogenizing sampler, the upper end open of described agitator, agitator inwall is provided with some agitating plates (5);
On support frame as described above, be positioned at agitator side and be provided with vertical guide rod (3), vertical guide rod is slidably provided with sliding sleeve (7), on vertical guide rod, be positioned at below sliding sleeve and be provided with the first spacing block set (6), and the first spacing block set is positioned at above agitator; Also be provided with vertical guide pin bushing (11) above described agitator, and this vertical guide pin bushing is connected with sliding sleeve by connecting rod (9);
Described homogenizing sampler comprises the sampler barrel (20) be plugged in vertical guide pin bushing that can take out, be arranged on the lower annular stop block (21) of sampler barrel inner wall lower, the upper annular limited block (17) being arranged on sampler barrel upper inside wall and the control lever (13) be plugged in sampler barrel, described sampler barrel upper end open, lower end closed, sampler barrel lateral surface top, be positioned at above vertical guide pin bushing and be provided with the second spacing block set (14); Some sampling through holes (18) be equally spaced are provided with from bottom to top on sampler barrel lateral surface, between upper annular limited block and lower annular stop block, in sampler barrel, between upper annular limited block and lower annular stop block, be provided with some valve pockets (19) be equally spaced from bottom to top, and each valve pocket and each sampling through hole one_to_one corresponding, the upper end of described control lever is positioned at above sampler barrel, the lower end of control lever is through each valve pocket, and each valve pocket is connected respectively by connecting rod with between control lever, each valve pocket lateral surface is respectively equipped with upper and lower two O-ring seals (27).
2. a kind of sampler measuring grain size of sediment according to claim 1, it is characterized in that, each valve pocket can slide along sampler barrel, and when the valve pocket of the top is resisted against on upper annular limited block, between upper and lower two O-ring seals of each sampling through hole on corresponding valve pocket; When the valve pocket of bottom is resisted against on lower annular stop block, each sampling through hole is positioned at the top of upper and lower two O-ring seals on corresponding valve pocket.
3. a kind of sampler measuring grain size of sediment according to claim 1, it is characterized in that, on described control lever, be positioned at above annular limited block and be provided with the 3rd collar stop (15), and be arranged with Compress Spring (16) on control lever, between upper annular limited block and the 3rd collar stop.
4. a kind of sampler measuring grain size of sediment according to claim 1 or 2 or 3, it is characterized in that, each agitating plate is vertically arranged, and each agitating plate is uniform around vertical rotating shaft circumference, and agitating plate extends along vertical rotating shaft radial direction, each agitating plate is provided with some wake turbulence through holes (4).
5. a kind of sampler measuring grain size of sediment according to claim 1 or 2 or 3, is characterized in that, the upper end of described agitator is provided with upper cover (10), is provided with coaxially with vertical rotating shaft to dodge through hole in the middle part of upper cover; On described vertical guide rod, be positioned at above the first spacing block set and be provided with vertical limit sliding chutes, described sliding sleeve medial surface is provided with the position limiting slide block matched with vertical limit sliding chutes, described vertical guide pin bushing and vertical rotating shaft are coaxially arranged, the lower end of described sampler barrel through dodging through hole, and bottom the agitator.
6. a kind of sampler measuring grain size of sediment according to claim 1 or 2 or 3, is characterized in that, the lower end of described sampler barrel is provided with gets fluid through-hole, and this is got fluid through-hole place and is provided with dismountable end cover.
7. a kind of sampler measuring grain size of sediment according to claim 1 or 2 or 3, it is characterized in that, the upper end of described control lever is provided with holding rod, this holding rod and control lever perpendicular.
8. a kind of sampler measuring grain size of sediment according to claim 1 or 2 or 3, is characterized in that, described rotating driving device comprises the gear drive being arranged on motor on bracing frame and vertical connecting rotating shaft and motor output shaft.
CN201420596838.7U 2014-10-15 2014-10-15 A kind of sampler measuring grain size of sediment Expired - Fee Related CN204177625U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328602A (en) * 2017-07-19 2017-11-07 福建农林大学 A kind of field runoff monitoring cell silt sample sampler
CN107421782A (en) * 2017-09-05 2017-12-01 郑州英莱机电设备有限公司 A kind of underground water sampler
CN108267337A (en) * 2018-01-17 2018-07-10 南开大学 A kind of water quality detection sampling apparatus
CN110694520A (en) * 2019-11-10 2020-01-17 陈丹依 Production process and production equipment of building coating
CN111638377A (en) * 2020-06-11 2020-09-08 自然资源部第一海洋研究所 Deep sea sediment in-situ analysis device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107328602A (en) * 2017-07-19 2017-11-07 福建农林大学 A kind of field runoff monitoring cell silt sample sampler
CN107421782A (en) * 2017-09-05 2017-12-01 郑州英莱机电设备有限公司 A kind of underground water sampler
CN107421782B (en) * 2017-09-05 2020-01-31 郑州英莱机电设备有限公司 underground water sampler
CN108267337A (en) * 2018-01-17 2018-07-10 南开大学 A kind of water quality detection sampling apparatus
CN108267337B (en) * 2018-01-17 2020-05-15 南开大学 Sampling device for water quality testing
CN110694520A (en) * 2019-11-10 2020-01-17 陈丹依 Production process and production equipment of building coating
CN111638377A (en) * 2020-06-11 2020-09-08 自然资源部第一海洋研究所 Deep sea sediment in-situ analysis device
CN111638377B (en) * 2020-06-11 2021-06-04 自然资源部第一海洋研究所 Deep sea sediment in-situ analysis device

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Granted publication date: 20150225

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