CN109596394B - Environmental engineering detects with water source sampling device who has storage function - Google Patents
Environmental engineering detects with water source sampling device who has storage function Download PDFInfo
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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Abstract
The invention provides a water source sampling device with a storage function for environmental engineering detection, which comprises a transverse top backup plate, a middle supporting plate, tightening rods, a sliding frame and a T-shaped positioning rod, wherein the transverse top backup plate is arranged on the middle supporting plate; a hanging rod is welded and hung at the bottom of the head end of the supporting and mounting plate, a round top backup plate is sleeved at the tail end of the hanging rod, and a cover plate is hung at the bottom of the round top backup plate in a supporting way; the sliding support rod is supported and welded at the top end of the cover plate, the middle section of the sliding support rod extends upwards and penetrates through the outer brim position of the circular top backup plate, and the head end of the sliding support rod continues to support upwards and penetrate through the supporting mounting plate; the top end of the sliding support rod is welded with a connecting plate, the top end connecting plate is arranged on the top end face of the supporting and mounting plate in a propping mode, and the connecting plate is also welded on the rod section of the sliding support rod between the circular top backup plate and the cover plate.
Description
Technical Field
The invention belongs to the technical field of water source sampling devices and environmental engineering facilities, and particularly relates to a water source sampling device with a storage function for environmental engineering detection.
Background
With the development of society, industrial technology is continuously advancing, but industrial pollution is also followed, the environment of human life is continuously worsening, environmental problems are not negligible, water is the source of human life, and the problem of water pollution is particularly serious, so that an apparatus for detecting the excellent water quality is urgently needed.
A sampling device is disclosed by searching, for example, patent No. CN 104297017B. In order to overcome the technical problem of the deepwater sampling barrel used at present in the using process, the invention provides a water body sampling device, which comprises a sampling cup, wherein the bottom of the sampling cup is provided with a circular through hole, the through hole is provided with a cover plate, and the cover plate is elastically hinged with the bottom of a barrel body, and the device is characterized in that: the sampling cup frame is characterized by also comprising a sampling cup frame, wherein a traction rope is fixed at the top of the sampling cup frame; the traction rope is provided with a magnetic induction sleeve capable of freely sliding, a plurality of Hall sensors are sequentially fixed in the traction rope according to a set distance, and each Hall sensor is electrically connected with a controller at the tail end of the traction rope; the bottom of the sampling cup holder is provided with a magnetic induction coil, the back of the cover plate is provided with a magnetic column, and after the cover plate is opened, the magnetic column is opposite to the top end of the magnetic induction coil; the material density of the sampling cup and the sampling cup holder is greater than the water density. The water sampling device can be widely applied to water sampling operation of environmental protection, epidemic prevention and other departments.
For another example, patent No. CN106442014B discloses a water quality sampling device, which includes: the device comprises a device body (1), wherein the device body (1) can move back and forth, left and right and up and down under the driving of a first driving device (2); at least one sampling water column (3) arranged on the device body (1); the sampling water column (3) extends along the vertical direction and is provided with openings at the upper part and the lower part; and the shielding piece (4) is positioned on the upper side and the lower side of the sampling water column (3), and the shielding piece (4) is driven by the second driving device (5) to simultaneously open or seal the upper opening and the lower opening of the sampling water column (3). This quality of water sampling device has solved current quality of water sampling device and can not accurately carry out position location and the lower problem of sampling efficiency.
Based on above-mentioned two patents and combine prior art inventor discovery, current water source sampling device can carry out conventional use, but its existence in practical application, and the layering sampling operation is comparatively inconvenient, and the layering water sample that holds and get easily receives the mixed pollution of different water layer water sources and causes the deviation of follow-up detected data, and the sample holds the installation of household utensils on the device body in addition and dismantles the operation and only be comparatively inconvenient problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water source sampling device with a storage function for environmental engineering detection, which aims to solve the problems that the existing water source sampling device is inconvenient in layered sampling operation, a contained layered water sample is easy to be mixed and polluted by water sources of different water layers to cause deviation of subsequent detection data, and in addition, the installation and the disassembly operation of a sampling container on a device body are only inconvenient.
The invention aims and effects of a water source sampling device with a storage function for environmental engineering detection, and is achieved by the following specific technical means:
a water source sampling device with a storage function for environmental engineering detection comprises a main support steel pipe, a pedal frame, a lifting rod, a connecting plate, a sampling cup, a sleeve, a filter cover, a rotary positioning rod, a central support pipe, a support mounting plate, a finger frame, a hanging rod, a sliding support rod, a circular top backup plate, a cover plate, a support frame, a transverse top backup plate, a middle support plate, a tightening rod, a sliding frame and a T-shaped positioning rod; the main supporting steel pipe is made of stainless steel alloy, three supporting mounting plates and three supporting frames are welded on the circumferential wall of the lower half section of the main supporting steel pipe at equal intervals from top to bottom, and a lifting handle rod is welded at the top end of the main supporting steel pipe; a hanging rod is welded and hung at the bottom of the head end of the supporting and mounting plate, a round top backup plate is sleeved at the tail end of the hanging rod, and a cover plate is hung at the bottom of the round top backup plate in a supporting way; the sliding support rod is supported and welded at the top end of the cover plate, the middle section of the sliding support rod extends upwards and penetrates through the outer brim position of the circular top backup plate, and the head end of the sliding support rod continues to support upwards and penetrate through the supporting mounting plate; the top end of the sliding support rod is welded with a connecting plate, the top end connecting plate is arranged on the top end surface of the supporting and mounting plate in a propping mode, and the connecting plate is also welded on the rod section of the sliding support rod between the circular top backup plate and the cover plate; external threads are arranged on the circumferential outer walls of openings at the top ends of the three sampling cups, two square sleeves are symmetrically welded on a bottom plate of the sampling cups, the two sleeves are correspondingly inserted on the left and right supporting insertion rods of the supporting frame in a sliding manner, and the three sampling cups are respectively arranged on the three supporting frames in a sliding manner; the sliding frame is composed of a rear end sliding plate and two supporting connecting rods which are supported on the rear end sliding plate in a bilateral symmetry mode, wherein the rear end sliding plate is sleeved on a middle sliding rod of the T-shaped positioning rod in a sliding mode, and the two supporting connecting rods are correspondingly connected with the T-shaped positioning rod in an electric welding mode; a layer of rubber pad is adhered to the end face of the bottom of the cover plate; a finger frame is welded between the connecting plate at the topmost end and the lifting rod.
Furthermore, a central supporting tube is supported and welded at the center of the bottom plate on the inner side of the sampling cup, a rotary positioning rod is rotatably arranged at the top end of the central supporting tube, a top ring is sleeved and welded at the three-fourth-height position of the central supporting tube, a sliding ring is slidably arranged on the top ring, and a spring is sleeved on a rod section between the sliding ring and the top ring.
Furthermore, a through hole is formed in the center of the cross-shaped support of the filter cover in a penetrating mode, two strip grooves are formed in the cross-shaped support in a penetrating mode in a bilateral symmetry mode, the filter cover is provided with two clamping grooves in a protruding mode in a front-back symmetry mode, and the filter cover is inserted into the top end of the central supporting tube through the central through hole in a sleeved mode.
Furthermore, two pedal frames which are arranged in a right triangle shape are symmetrically welded at the tail end of the main supporting steel pipe, and the two pedal frames are electrically welded with the left and right supporting inserted rods of the supporting frame at the bottommost part.
Furthermore, a transverse top backup plate is connected between the left support inserted rod and the right support inserted rod of the support frame in an electric welding mode, the middle of the transverse top backup plate is symmetrically and forwardly supported with two middle supporting plates, and the T-shaped positioning rod is rotatably arranged between the two middle supporting plates.
Furthermore, still the cover is equipped with a spring on the middle slide bar of T shape locating lever, and this spring is located between the circular baffle of middle slide bar head end and the rear end slide of sliding frame, and tightens the pole and can pull forward and slide compression above-mentioned spring and rotate the card and arrange in the support frame about two draw-in grooves that the support inserted bar head end was seted up in two.
Furthermore, a spring is sleeved on the hanging rod and positioned between the supporting and mounting plate and the circular jacking plate, and then the spring pushes the lower cover plate to be jacked by the jacking and sealing cover to be arranged on the top opening of the sampling cup.
Furthermore, the lifting rod is closely attached to the inner side of the main support steel pipe, penetrates through the three support mounting plates in a sliding mode in sequence, and is in support welding with all six connecting plates.
Compared with the prior art, the invention has the following beneficial effects:
when the three sampling cups are completely immersed in water, the lifting pull rod is lifted, so that the three cover plates can be lifted from the top openings of the three sampling cups at the same time for layered sampling, the lifting pull rod is released after sampling is finished, the three cover plates are pushed by the three springs on the three suspension rods to be reset and closed, the three sampling cups are sealed, and the phenomenon that water on different water layers is mixed into the three sampling cups to cause mixed pollution of layered water samples and cause subsequent detection data deviation is avoided when the device body is lifted.
Under the top of spring pushes up on T shape locating lever, tighten the pole and can tighten two places sleeve pipe and sample cup and be located two left and right sides of carriage and support the inserted bar, and tighten the pole and can pull forward extrusion spring swift two draw-in grooves that support the inserted bar head end about the carriage break away from out, and then slide to get for the sample cup and unload and provide convenience.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.
FIG. 3 is a schematic view of the cover plate in a tightly closed state.
Fig. 4 is a schematic view showing the cover plate of the present invention in an opened state.
Fig. 5 is a schematic diagram of the sampling cup insertion mounting structure of the present invention.
FIG. 6 is a schematic view of the open state of the tightening lever according to the present invention.
FIG. 7 is a schematic view of the internal structure of the sampling cup of the present invention.
FIG. 8 is a schematic view of the inner structure of the central support tube.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-main supporting steel pipe, 101-pedal frame, 2-lifting rod, 201-connecting plate, 3-sampling cup, 301-sleeve pipe, 302-filter cover, 303-rotating positioning rod, 304-central supporting pipe, 4-supporting mounting plate, 401-finger frame, 402-suspension rod, 5-sliding supporting rod, 6-circular top backup plate, 7-cover plate, 8-supporting frame, 801-horizontal top backup plate, 8011-middle supporting plate, 9-tightening rod, 901-sliding frame and 10-T-shaped positioning rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a water source sampling device with a storage function for environmental engineering detection, which comprises a main supporting steel pipe 1, a pedal frame 101, a lifting rod 2, a connecting plate 201, a sampling cup 3, a sleeve 301, a filter cover 302, a rotary positioning rod 303, a central supporting pipe 304, a supporting and mounting plate 4, a finger frame 401, a hanging rod 402, a sliding supporting rod 5, a circular top backup plate 6, a cover plate 7, a supporting frame 8, a transverse top backup plate 801, a middle backup plate 8011, a tightening rod 9, a sliding frame 901 and a T-shaped positioning rod 10; the main supporting steel pipe 1 is made of stainless steel alloy, three supporting mounting plates 4 and three supporting frames 8 are welded on the circumferential wall of the lower half section of the main supporting steel pipe at equal intervals from top to bottom, and a lifting handle rod is welded at the top end of the main supporting steel pipe; a hanging rod 402 is welded and hung at the bottom of the head end of the supporting and mounting plate 4, a round top backup plate 6 is sleeved at the tail end of the hanging rod 402, and a cover plate 7 is hung at the bottom of the round top backup plate 6 in a supporting and hanging manner; the sliding support rod 5 is supported and welded at the top end of the cover plate 7, the middle section of the sliding support rod extends upwards and is penetrated and welded at the outer eave position of the circular top backup plate 6, and the head end of the sliding support rod continues to support upwards and penetrate through the supporting mounting plate 4; the top end of the sliding support rod 5 is welded with a connecting plate 201, the connecting plate 201 at the top end is arranged on the end face of the top end of the support mounting plate 4 in an overhead manner, and the connecting plate 201 is also welded on the rod section of the sliding support rod 5 between the circular top backup plate 6 and the cover plate 7; external threads are arranged on the circumferential outer walls of openings at the top ends of the three sampling cups 3, two square sleeves 301 are symmetrically welded on the bottom plate of the sampling cups, the two sleeves 301 are correspondingly inserted on the left and right supporting inserted rods of the supporting frame 8 in a sliding manner, and the three sampling cups 3 are respectively arranged on the three supporting frames 8 in a sliding manner; the sliding frame 901 is composed of a rear end sliding plate and two supporting connecting rods which are supported on the rear end sliding plate in a bilateral symmetry manner, wherein the rear end sliding plate is slidably sleeved on a middle sliding rod of the T-shaped positioning rod 10, and the two supporting connecting rods are correspondingly connected with the T-shaped positioning rod 10 in an electric welding manner; a layer of rubber pad is adhered to the end face of the bottom of the cover plate 7; a finger frame 401 is welded between the connection plate 201 and the lifting rod 2 at the topmost end.
Wherein, the center department of the inboard bottom plate of sampling cup 3 supports the welding and has a center stay tube 304, the top of this center stay tube 304 rotates and is provided with a department and rotates locating lever 303, and three high departments of the fourfold of center stay tube 304 overlap and establish the welding and have a department's apical ring and slide and be provided with a sliding ring, the cover is equipped with a spring on the pole section between this department's sliding ring and apical ring, filter cover 302 can be leaned on by the top of spring to be located between rotation locating lever 303 and sliding ring, and rotate locating lever 303 can top card in two draw-in grooves on the cross support, this just can avoid filter cover 302 to float and break away from in leaning on the mouth from the top of sampling cup 3 when taking a sample under water.
Wherein, the center department of the cross-shaped support of straining lid 302 runs through and has seted up a through-hole, and bilateral symmetry runs through on the cross-shaped support and has seted up two rectangular grooves, and symmetrical protrusion supports two draw-in grooves around still being on it, and strains lid 302 and just insert in the top of central stay tube 304 through above-mentioned central through-hole cover, and rotation locating lever 303 can peg graft with two rectangular groove normal running fit, puts just getting of straining lid 302 and puts.
Wherein, the end symmetric welding of main support steel pipe 1 has two pedal frame 101 that are right triangle setting, this two pedal frame 101 with a bottom support frame 8 about support inserted bar electric welding link together, need to support main support steel pipe 1 vertically to lean on in operation personnel's the hand when getting dress three sampling cups 3, both feet can be trampled on two pedal frame 101 this moment, make the device body stable support, this provides convenience to three sampling cups 3 implementation and unload for upwards pull lifting rod 2, because the pull ring of lifting rod 2 head end is higher when getting dress three sampling cups 3, the finger is difficult to the hook and draws, can pull lifting rod 2 on through finger frame 401.
Wherein, the electric welding is connected with a horizontal top plate 801 between two support inserted bars about the carriage 8, and the middle department of this horizontal top plate 801 symmetry again supports forward two middle fagging 8011, and just T shape locating lever 10 rotates and puts between this two middle fagging 8011, through T shape locating lever 10, tightens the bottom that pole 9 can rotate when idle and arrange in carriage 8, avoids causing the obstacle to the grafting assembly of sampling cup 3.
Wherein, still the cover is equipped with a spring in the middle of T shape locating lever 10 on the slide bar, this spring is located between the circular baffle of middle slide bar head end and the rear end slide of sliding frame 901, and tighten the pole 9 can pull forward and slide and compress above-mentioned spring and rotate the card and arrange in the support frame 8 about two draw-in grooves that the support inserted bar head end was seted up, push down on the top of spring on T shape locating lever 10, tighten the pole 9 can tighten two sleeve pipes 301 and sample cup 3 and be located support frame 8 about two support inserted bars, and tighten the pole 9 can pull forward and extrude the swift draw-in groove that supports the inserted bar head end about support frame 8 and break away from out, and then slide for sample cup 3 and take off and provide convenience.
Wherein, the cover is equipped with a spring on the jib 402, and this spring is located and supports between mounting panel 4 and the circular backup plate 6, and then the spring top pushes down apron 7 and is placed on the top opening of sampling cup 3 by the sealed lid of roof pressure, and apron 7 can sealed lid place sampling cup 3, and it adopts the spring top to push up sealed can follow the convenient operation of opening and shutting of going on of the upward slide compression spring of lifting rod 2.
The lifting rod 2 is closely arranged on the inner side of the main supporting steel pipe 1, sequentially penetrates through the three supporting mounting plates 4 in a sliding mode and is supported and welded with all six connecting plates 201, when the three sampling cups 3 are completely immersed in water, the lifting rod 2 can enable the three cover plates 7 to be lifted from top openings of the three sampling cups 3 at the same time for layered sampling, the lifting rod 2 is loosened after sampling is completed, the three cover plates 7 are pushed by the three springs on the three hanging rods 402 to be reset and closed, the three sampling cups 3 are sealed with water samples, and the phenomenon that water of different water layers is mixed in the three sampling cups 3 to cause mixed pollution of layered water samples and cause subsequent detection data deviation is avoided.
The specific use mode and function of the embodiment are as follows:
the whole height of the device is 2.2 meters, and the distance between the top ends of the three sampling cups 3 and the openings is 40 cm.
All parts of the device are made of alloy stainless steel.
According to the using process of the invention, an operator inserts the main supporting steel pipe 1 into water on an speedboat or a ship, and completely immerses the three sampling cups 3 in the water, the immersion depth can be changed according to the sampling requirements, when the three sampling cups 3 are inserted downwards to a specified depth, the lifting pull rod 2 is lifted up to open the three cover plates 7 at the same time for layered sampling, the device is integrally drawn out after the sampling is finished, the three sampling cups 3 are sequentially taken down, the sampling cup 3 is screwed with the top opening of the sealing cover through threads when the three sampling cups are taken down, and finally the three sealed sampling cups 3 are taken back to the shore for detection.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides an environmental engineering detects with water source sampling device who has a storage function which characterized in that: the water source sampling device with the storage function for the environmental engineering detection comprises a main supporting steel pipe (1), a pedal frame (101), a lifting rod (2), a connecting plate (201), a sampling cup (3), a sleeve (301), a filter cover (302), a rotary positioning rod (303), a central supporting pipe (304), a supporting mounting plate (4), a finger frame (401), a suspender (402), a sliding supporting rod (5), a circular top backup plate (6), a cover plate (7), a supporting frame (8), a transverse top backup plate (801), a middle supporting plate (8011), a tightening rod (9), a sliding frame (901) and a T-shaped positioning rod (10); the main supporting steel pipe (1) is made of stainless steel alloy, three supporting mounting plates (4) and three supporting frames (8) are welded on the circumferential wall of the lower half section of the main supporting steel pipe at intervals in an up-down equidistant mode, and a lifting handle rod is welded at the top end of the main supporting steel pipe; a hanging rod (402) is welded and hung at the bottom of the head end of the supporting and mounting plate (4), a round top backup plate (6) is sleeved at the tail end of the hanging rod (402), and a cover plate (7) is hung at the bottom of the round top backup plate (6) in a supporting and hanging manner; the sliding support rod (5) is supported and welded at the top end of the cover plate (7), the middle section of the sliding support rod extends upwards and penetrates through the outer eave position of the circular top backup plate (6) in a welding mode, and the head end of the sliding support rod continues to upwards support and penetrate through the support mounting plate (4); the top end of the sliding support rod (5) is welded with a connecting plate (201), the top end connecting plate (201) is arranged on the top end face of the supporting mounting plate (4) in an overhead mode, and the connecting plate (201) is also welded on a rod section, located between the circular top backup plate (6) and the cover plate (7), of the sliding support rod (5); external threads are arranged on the circumferential outer wall of the opening at the top end of each of the three sampling cups (3), two square sleeves (301) are symmetrically welded on the bottom plate of each sampling cup, the two sleeves (301) are correspondingly inserted on the left and right supporting insertion rods of the supporting frame (8) in a sliding manner, and then the three sampling cups (3) are respectively arranged on the three supporting frames (8) in a sliding manner; the sliding frame (901) is composed of a rear end sliding plate and two supporting connecting rods which are supported on the rear end sliding plate in a bilateral symmetry mode, wherein the rear end sliding plate is sleeved on a middle sliding rod of the T-shaped positioning rod (10) in a sliding mode, and the two supporting connecting rods are correspondingly connected with the T-shaped positioning rod (10) in an electric welding mode; a layer of rubber pad is adhered to the end face of the bottom of the cover plate (7); a finger frame (401) is welded between the connecting plate (201) at the topmost end and the lifting rod (2)
A central supporting tube (304) is supported and welded at the center of the bottom plate at the inner side of the sampling cup (3), a rotary positioning rod (303) is rotatably arranged at the top end of the central supporting tube (304), a top ring is sleeved and welded at three-fourth-height position of the central supporting tube (304) and is provided with a sliding ring in a sliding manner, and a spring is sleeved on a rod section between the sliding ring and the top ring;
the center of the cross-shaped support of the filter cover (302) is provided with a through hole in a penetrating way, the cross-shaped support is provided with two strip grooves in a penetrating way in bilateral symmetry, the filter cover (302) is provided with two clamping grooves in a protruding way in front and back symmetry, and the filter cover (302) is sleeved and inserted at the top end of the central supporting tube (304) through the central through hole.
2. The water source sampling device with storage function for environmental engineering inspection according to claim 1, wherein: the tail end of the main supporting steel pipe (1) is symmetrically welded with two pedal frames (101) which are arranged in a right triangle shape, and the two pedal frames (101) are electrically welded with the left and right supporting inserted rods of the supporting frame (8) at the bottommost part.
3. The water source sampling device with storage function for environmental engineering inspection according to claim 1, wherein: a transverse top backup plate (801) is connected between the left support inserted bar and the right support inserted bar of the support frame (8) in an electric welding mode, two middle support plates (8011) are symmetrically and forwards supported in the middle of the transverse top backup plate (801), and the T-shaped positioning rod (10) is rotatably arranged between the two middle support plates (8011).
4. The water source sampling device with storage function for environmental engineering detection as set forth in claim 1 or 3, wherein: a spring is further sleeved on a middle sliding rod of the T-shaped positioning rod (10), the spring is located between a circular baffle at the head end of the middle sliding rod and a rear end sliding plate of the sliding frame (901), and the tightening rod (9) can be pulled forwards to slide and compress the spring and rotate to clamp the spring in two clamping grooves formed at the head ends of the left supporting inserted bar and the right supporting inserted bar of the supporting frame (8).
5. The water source sampling device with storage function for environmental engineering inspection according to claim 1, wherein: the hanger rod (402) is sleeved with a spring which is positioned between the supporting mounting plate (4) and the circular backup plate (6), and the spring pushes the lower cover plate (7) to be pressed against the sealing cover to be arranged on the top opening of the sampling cup (3).
6. The water source sampling device with storage function for environmental engineering inspection according to claim 1, wherein: the lifting rod (2) is closely arranged on the inner side of the main support steel pipe (1), penetrates through the three support mounting plates (4) in a sliding mode in sequence and is in support welding with all six connecting plates (201).
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| CN110308020A (en) * | 2019-07-03 | 2019-10-08 | 王文惠 | A kind of environmental monitoring multilayer depth sampler |
| CN112628039B (en) * | 2020-12-18 | 2021-12-21 | 浙江睿峰电喷系统有限公司 | Intelligent electric fuel pump with electronic pressure regulator |
| CN114397142A (en) * | 2021-12-30 | 2022-04-26 | 福建省延兴工程技术有限公司 | Pollutant sampling device for water environmental engineering detection |
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| CN206330790U (en) * | 2016-12-26 | 2017-07-14 | 重庆山楂树科技有限公司 | Multilayer water sampler |
| CN206593915U (en) * | 2017-03-14 | 2017-10-27 | 上海优久生物科技有限公司 | A kind of new liquid sampler |
| CN207263467U (en) * | 2017-08-31 | 2018-04-20 | 大连恒基新润水务有限公司 | A kind of portable sampling device |
| CN207215518U (en) * | 2017-10-10 | 2018-04-10 | 刘金波 | A kind of Food Inspection sampler |
| CN207231835U (en) * | 2017-10-10 | 2018-04-13 | 任朝兴 | The special water-quality sampler of petroleum-type |
| CN108152471A (en) * | 2017-12-08 | 2018-06-12 | 台州智子科技有限公司 | A kind of automated hierarchical sampling and the water monitoring device of multiple spot detection |
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| CN109596394A (en) | 2019-04-09 |
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