CN115356155B - River lake water quality testing is with quick sample and detection integration equipment - Google Patents
River lake water quality testing is with quick sample and detection integration equipment Download PDFInfo
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- CN115356155B CN115356155B CN202210992663.0A CN202210992663A CN115356155B CN 115356155 B CN115356155 B CN 115356155B CN 202210992663 A CN202210992663 A CN 202210992663A CN 115356155 B CN115356155 B CN 115356155B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000012372 quality testing Methods 0.000 title description 4
- 230000010354 integration Effects 0.000 title description 3
- 238000005070 sampling Methods 0.000 claims abstract description 83
- 238000004804 winding Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 12
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
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- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of water quality sampling, and discloses quick sampling and detection integrated equipment for river and lake water quality detection, which comprises a sampling mechanism and a rack with a detection mechanism arranged on the surface, wherein a control unit for driving the sampling mechanism to lift is arranged on the rack, the control unit comprises a traction component fixedly connected with the sampling mechanism and a winding mechanism for winding/unwinding the traction component, and an adjusting component for the traction component to bypass reversing is arranged on the surface of the rack. According to the invention, through the cooperation among the winding mechanism, the adjusting component, the traction component and the like, when the traction component passes through the magnetic block, the traction component can be switched from an active state to a relatively fixed state, and at the moment, the traction component below the magnetic block cannot deflect any more, so that the sampling mechanism below the magnetic block cannot deflect any more, the accurate and stable position of the sampling mechanism after water is introduced is ensured, and the effect is better when the magnetic block is suitable for water taking detection in a flowing water area.
Description
Technical Field
The invention relates to the technical field of water quality sampling, in particular to rapid sampling and detection integrated equipment for river and lake water quality detection.
Background
Along with the development and utilization of river and lake water resources, water environment problems are increasingly emphasized, and water quality factors are important indexes for measuring the damage degree of water areas or whether applied water is healthy. The sampling of water resources with different depths is an important research topic to collect water samples which are representative and can accurately reflect water quality parameters.
Like chinese patent publication No. CN109540604a, a water sample multilayer sampling device for water quality testing is disclosed, which comprises a supporting component, a sampling component, a rope component, a controller and a storage battery, wherein the rope component comprises an unreeling component, a rope and a plurality of pulley components, and the supporting component comprises a mounting plate T-shaped supporting frame and two supporting legs. Through the arrangement, water samples with different water depths can be obtained in water, and a better effect is achieved on inspection.
The device realizes the lift of water intaking subassembly through the rope, but the rope can't guarantee the position stability and the maintenance of water intaking subassembly when flowing the waters water intaking, and then makes the water intaking subassembly unable accurate get the water source of predetermined position, also can cause the influence to subsequent detection, has certain use limitation.
Therefore, it is necessary to provide a rapid sampling and detecting integrated device for river and lake water quality detection to solve the above technical problems.
Disclosure of Invention
The invention aims to provide rapid sampling and detection integrated equipment for river and lake water quality detection, which solves the problems that in the background art, when water is taken in a flowing water area, a winding rope cannot ensure the position stability and maintenance of a water taking component, so that the water taking component cannot accurately take a water source at a preset position, the subsequent detection is influenced, and the like.
In order to achieve the purpose, the integrated sampling and detecting device is designed, which can realize winding and unwinding and can ensure stable sampling and detecting after the sampling mechanism is filled with water.
Based on the thought, the invention provides the following technical scheme: the utility model provides a river lake water quality testing is with quick sample and detection integration equipment, includes that sampling mechanism and surface are provided with detection mechanism's frame, be provided with the control unit who is used for driving sampling mechanism and goes up and down in the frame, control unit include with sampling mechanism fixed connection's traction assembly and be used for realizing the rolling of traction assembly/unreeling roll-up mechanism, the surface of frame is provided with the regulation subassembly that is used for traction assembly to walk around the switching-over, and regulation subassembly includes the magnetic path, can switch between active state and relative fixed state when traction assembly passes through the magnetic path.
As a further aspect of the invention: the traction assembly comprises a plurality of short rods, the plurality of short rods are sequentially connected through connecting pieces, and two short rods positioned on the marginal edges of two sides are fixedly connected with the sampling mechanism and the winding mechanism respectively; when the connecting piece passes through the magnetic block, the two adjacent short rods can be switched between an active state and a relatively fixed state.
As a further aspect of the invention: the connecting piece comprises a side plate and a baffle plate, wherein the baffle plate and one side opposite to two adjacent short rods are respectively and fixedly connected, and a cylinder fixedly connected with the baffle plate is rotatably arranged on the side plate; the surface of the partition plate is provided with a groove, the inside of the groove is slidably provided with a push rod, the surface of the side plate is provided with a clamping groove matched with the push rod, and a first spring is fixedly arranged between the top of the push rod and the groove wall of the groove.
As a further aspect of the invention: the quantity of curb plate sets up to two and the cylinder rotates and installs in the centre, and the draw-in groove is seted up on the surface of one of them curb plate, and the front and back central line direction of connecting two curb plates is perpendicular to the direction of movement of quarter butt to adjusting part.
As a further aspect of the invention: the first spring is obliquely arranged, and when the joint of the first spring and the ejector rod is positioned at one side of the clamping groove, the ejector rod is limited in the clamping groove.
As a further aspect of the invention: the adjusting component comprises a base fixedly connected with the frame, the reversing wheel used for the short rod to bypass is rotatably arranged in the base, a shell sleeved outside the short rod is fixedly arranged on the surface of the base, a through hole which is matched with the short rod and is used for the short rod to pass through from top to bottom is formed in the shell, the number of the magnetic blocks is two and is fixedly embedded in the shell, and the two magnetic blocks are arranged in a vertically staggered mode and are located on one side away from the clamping groove.
As a further aspect of the invention: the shell comprises an outer sleeve fixedly connected with the base, the through hole is formed in the center of the outer sleeve for the short rod to pass through, an annular placement groove is formed in the bottom of the outer sleeve, an inner sleeve and an intermediate sleeve are sequentially and slidably installed in the placement groove from inside to outside, sliding grooves are formed in the outer sleeve, corresponding to the intermediate sleeve, and the surface, close to the inner sleeve, of the intermediate sleeve, sliding blocks capable of sliding back and forth relative to the through hole are arranged in the sliding grooves, and a bracket fixedly connected with the inner sleeve is fixedly installed on the outer surface of the short rod fixedly connected with the sampling mechanism.
As a further aspect of the invention: the outer surface of the inner sleeve and the outer surface of the middle sleeve are outwards protruded to form bosses, each boss comprises an upper bevel edge and a lower bevel edge which are symmetrically arranged, the top and the bottom of each sliding block are provided with first inclined planes, the inclined directions of the upper first inclined planes and the lower bevel edges are the same, the inclined directions of the lower first inclined planes and the upper bevel edges are the same, and the sliding blocks are enabled to be retracted into the sliding grooves when the lower bevel edges are contacted with the first inclined planes of the top.
As a further aspect of the invention: the length dimension of the sliding groove in the vertical direction is smaller than the sliding dimension of the inner sleeve/middle sleeve, and the wall thickness dimension of the inner sleeve, the middle sleeve and the outer sleeve are sequentially increased.
As a further aspect of the invention: the short rod is made of magnetic materials at the position far away from the side plate/the partition plate.
Compared with the prior art, the invention has the beneficial effects that: through the cooperation between roll-up mechanism, adjusting part and the traction assembly etc., can switch into relatively fixed state from active state when traction assembly passes through the magnetic path, the traction assembly of magnetic path below can't take place the deflection again this moment, and then make the sampling mechanism of below also can't offset again, guarantee that the sampling mechanism goes into the position accuracy and stability behind the water, can overcome rivers flow better to sampling mechanism's offset influence, guaranteed the accuracy of water intaking position and testing result, it is better to be applicable to flowing waters water intaking detection time measuring effect. When the traction assembly moves to the winding mechanism through the magnetic block, the traction assembly can be switched into an active state from a relatively fixed state, so that the winding mechanism can smoothly complete winding, the whole occupied space is smaller, a long rigid long rod is not required to be arranged for the sampling mechanism, effective utilization of space can be realized, and the practicability is higher.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the shorting bar, connector and housing of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at A;
FIG. 5 is a schematic illustration of the jacket and stent structure of the present invention;
FIG. 6 is a schematic view of the internal structure of the outer, intermediate and inner sleeves of the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 6;
FIG. 8 is an enlarged view of the structure at C in FIG. 6;
FIG. 9 is a schematic view of the inner sleeve and long plate structure of the present invention;
fig. 10 is an enlarged view of the structure at D in fig. 9.
In the figure: 1. a frame; 2. a winding mechanism; 3. an adjustment assembly; 4. a traction assembly; 5. a sampling mechanism; 6. a connecting piece; 7. a bracket; 301. a base; 302. a reversing wheel; 303. a housing; 304. a magnetic block; 3031. a jacket; 3032. an inner sleeve; 3033. a middle sleeve; 3034. a slide block; 3035. a chute; 3036. a boss; 3037. a first inclined surface; 3038. a long plate; 3039. a second inclined surface; 401. a short bar; 601. a side plate; 602. a partition plate; 603. a cylinder; 604. a groove; 605. a push rod; 606. a spring; 607. a clamping groove.
Detailed Description
Embodiment one:
referring to fig. 1 to 2, an embodiment of the present invention provides a rapid sampling and detecting integrated device for water quality detection of rivers and lakes, which is mainly used for guaranteeing stability of a sampling mechanism 5 after being immersed in water, the device includes a frame 1, the sampling mechanism 5 and a detecting mechanism (not shown in the drawings), wherein the frame 1 can be fixed on the ground or can be fixed on a ship to move along with the ground; when the sampling mechanism 5 descends and is immersed into water, water resources can be sampled, and after the sampling mechanism 5 ascends and resets, the water resources can be transferred to the detection mechanism for detection.
The surface of the frame 1 is provided with a control unit for driving the sampling mechanism 5 to lift, and the control unit comprises a traction component 4 fixedly connected with the sampling mechanism 5 and a winding mechanism 2 for realizing winding/unwinding of the traction component 4; the surface of the frame 1 is also provided with an adjusting component 3 for reversing the traction component 4, and the adjusting component 3 is positioned at the upper right of the winding mechanism 2; of course, the position of the adjustment assembly 3 relative to the furling mechanism 2 may be adjusted as required. When the traction component 4 is inclined to the upper right and passes through the adjusting component 3, the traction component can vertically descend and is fixedly connected with the sampling mechanism 5; at the same time, the traction assembly 4 can deflect in a flexible state at the left part of the adjusting assembly 3 (i.e. when unreeling from the reeling mechanism 2 to the adjusting assembly 3 or when the self-adjusting assembly 3 moves to the reeling mechanism 2), and cannot deflect in a relatively rigid state at the rear part of the adjusting assembly 3 (i.e. when moving down through the adjusting assembly 3 or when moving up to the adjusting assembly 3).
In the embodiment, the rolling/unreeling of the rolling mechanism 2 and the traction assembly 4 can realize the depth adjustment of the sampling mechanism 5 after water is introduced, and different detection requirements are met by matching with the detection mechanism; the winding mechanism 2, the detecting mechanism and the sampling mechanism 5 are all of the existing mature technology, and will not be described in detail here.
Referring to fig. 1 to 4, in the present embodiment, it is preferable that: the traction component 4 fixedly connected with the sampling mechanism 5 comprises a plurality of short rods 401, and the short rods 401 are connected through a connecting piece 6 and are integrally and sequentially arranged; the rightmost short rod 401 is fixedly connected with the sampling mechanism 5, the leftmost short rod 401 is fixedly connected with the winding mechanism 2, and part of the short rod 401 on the left is wound on the winding mechanism 2, and when the winding mechanism 2 is started, the short rod 401 is wound or unwound.
In the above structure, the adjacent two short rods 401 located at the left side of the adjusting assembly 3 (i.e. the two short rods 401 which do not reach the adjusting assembly 3) can deflect relatively through the connecting piece 6, when the connecting piece 6 passes through the adjusting assembly 3, the adjacent two short rods 401 cannot deflect through the connecting piece 6, and at this time, the adjacent two short rods 401 enter a vertical limiting state.
The connecting member 6 for realizing the connection between the short bars 401 comprises a side plate 601 and a partition plate 602, wherein the partition plate 602 and the side plate 601 are fixedly connected with opposite sides of two adjacent short bars 401 respectively, the side plate 601 is arranged on the short bar 401 close to the winding mechanism 2 in the two adjacent short bars 401, the partition plate 602 is arranged on the short bar 401 close to the sampling mechanism 5, and the installation positions of the two short bars can be exchanged. The quantity of curb plate 601 sets up to two and is the front and back and arrange, and rotate between two curb plates 601 install with baffle 602 fixed connection's cylinder 603, can realize the rotation of baffle 602 for curb plate 601 through cylinder 603, and then satisfy the rotation demand between two adjacent quarter butt 401 for connecting piece 6 by a plurality of quarter butt 401 can be convoluteed on winding mechanism 2.
In order to realize that two adjacent short rods 401 are converted into a vertical limiting state after passing through the adjusting component 3, grooves 604 are formed in the surface of the partition plate 602, ejector rods 605 are arranged front and back and are slidably mounted in the grooves 604, clamping grooves 607 matched with the ejector rods 605 in size are formed in the front of the rear side plate 601, when the ejector rods 605 are not clamped into the clamping grooves 607, the partition plate 602 can freely rotate based on the cylinders 603, and when the ejector rods 605 are clamped into the clamping grooves 607, the partition plate 602 and the side plate 601 cannot rotate relatively. In order to realize the limit of the ejector rod 605, a first spring 606 is fixedly arranged between the top of the ejector rod 605 and the wall of the groove 604, and the first spring 606 is obliquely directed forward in the initial state (the first spring 606 is in a left-view state in fig. 4), when the ejector rod 605 is forced to move towards the rear clamping groove 607, the first spring 606 can be enabled to be obliquely directed forward to be obliquely directed backward, the limit effect on the ejector rod 605 is still maintained, and the ejector rod 605 is limited on one side far away from the clamping groove 607 by the first spring 606 in the initial state.
In the above-described structure, the movement direction of the short bar 401 toward the adjustment assembly 3 is left and right, that is, the direction of the center line of the two side plates 601 is perpendicular to the movement direction of the short bar 401 toward the adjustment assembly 3, so that the deflection between the adjacent two short bars 401 is also left and right, that is, the deflection of the sampling mechanism 5 is left and right deflected relative to the frame 1, without being deflected in the front-rear direction.
In order to switch between two adjacent short rods 401 from an active state to a relatively fixed state, the adjusting assembly 3 comprises a base 301 fixedly connected with the frame 1, a reversing wheel 302 for the short rods 401 to bypass in the active state is rotatably arranged in the base 301, and the short rods 401 vertically downwards after bypassing the reversing wheel 302. The bottom of the base 301 is also fixedly provided with a shell 303 which is sleeved outside the short rod 401 and used for positioning the short rod 401, a through hole which is matched with the short rod 401 in size is formed in the shell 303, the short rod 401 penetrates out of the through hole of the shell 303 from top to bottom and is fixedly connected with the sampling mechanism 5, and simultaneously, two magnetic blocks 304 which are used for enabling the ejector rod 605 to reciprocate relative to the clamping groove 607 are fixedly embedded in the shell 303.
In the above structure, the ejector rod 605 is made of metal, the two magnetic blocks 304 are staggered up and down, and the upper magnetic block 304 is arranged at the front side, namely, at one side far away from the clamping groove 607, so that the upper magnetic block 304 can suck the ejector rod 605 forwards and far away from the clamping groove 607, and the lower magnetic block 304 is arranged at the rear side, namely, at one side near to the clamping groove 607, so that the lower magnetic block 304 can move the ejector rod 605 backwards and insert the ejector rod 607. Of course, the front and rear positions of the upper and lower magnetic blocks 304 may be exchanged, and after the positions of the upper and lower magnetic blocks 304 are exchanged, the setting position of the clamping groove 607, the initial position of the ejector 605 and the initial position of the first spring 606 need to be set in opposite states to be adapted.
When the device is used, the winding mechanism 2 is started to sequentially release the short rods 401, so that a plurality of short rods 401 vertically descend through the reversing wheel 302 and the perforation of the shell 303, the sampling mechanism 5 is driven to descend and submerge in water for water taking, the winding mechanism 2 is started to wind the short rods 401 after water taking is finished, the sampling mechanism 5 is lifted through the shell 303, the reversing wheel 302 and the short rods 401, and then water resources of the sampling mechanism 5 are transferred to the detection mechanism for detection. In this process, when the ejector rod 605 is located in the lower magnetic block 304 and is not inserted into the clamping groove 607, the side plate 601 and the partition plate 602 can rotate mutually, that is, the two adjacent short rods 401 can rotate mutually, and the first spring 606 is obliquely directed to the front to keep the position of the ejector rod 605 unchanged; when the ejector rod 605 corresponds to the lower magnetic block 304, the ejector rod 605 is absorbed by the lower magnetic block 304 and inserted into the clamping groove 607, at this time, the partition plate 602 and the side plate 601 and the adjacent two short rods 401 cannot rotate any more, the first spring 606 is obliquely directed to the rear to keep the position of the ejector rod 605 unchanged, that is, the ejector rod 605 between the adjacent two short rods 401 is switched from the active state to the limited position state when passing through the lower magnetic block 304, and the short rods 401 below the lower magnetic block 304 are kept relatively fixed.
In summary, through the cooperation of structures such as ejector pin 605, magnetic path 304, quarter butt 401 and first spring 606, can switch into relatively fixed state from the active state when two adjacent quarter butt 401 pass through below magnetic path 304, can't take place the deflection again between two adjacent quarter butt 401 this moment, and then make sampling mechanism 5 below also can't deviate any more, guarantee sampling mechanism 5 after the water inflow position accuracy, can overcome rivers flow to sampling mechanism 5's deviation influence better, realized the better location of sampling mechanism 5 after entering water, make it have better stability, and then make water intaking and testing result more accurate, the effect is better when being applicable to flowing waters water intaking detection. When two adjacent short rods 401 pass through the upper magnetic block 304, the two short rods can be switched into an active state from a relatively fixed state, and the two adjacent short rods 401 can rotate mutually at the moment, so that the winding mechanism 2 can smoothly wind, the whole occupied space is smaller, a sampling mechanism 5 is not required to be provided with a longer rigid long rod, and the effective utilization of space can be realized. The setting of curb plate 601, baffle 602 and quarter butt 401 for sampling mechanism 5 only can be for frame 1 left and right sides deflection, and then can adjust frame 1 direction when the water intaking, makes sampling mechanism 5 can better correspond with the flow direction of rivers, further reduces the effort to sampling mechanism 5, and holistic practicality is higher.
Embodiment two:
referring to fig. 1 to 8, in order to further ensure the stability of the sampling mechanism 5 after water is introduced, the housing 303 includes a casing 3031 fixedly connected to the base 301, a through hole is formed in a central position of the casing 3031 for the short rod 401 to pass through, and the upper and lower magnetic blocks 304 are fixedly embedded in the casing 3031 in the same manner as in the first embodiment. An annular mounting groove is formed in the bottom of the outer sleeve 3031, an inner sleeve 3032 is mounted in the mounting groove in a vertically sliding mode, and the inner sleeve 3032 can be lifted relative to the outer sleeve 3031 based on the groove wall of the mounting groove.
An intermediate sleeve 3033 is movably arranged between the inner sleeve 3032 and the outer sleeve 3031, and can be contacted with the intermediate sleeve 3033 when the inner sleeve 3032 descends along the arrangement groove and drive the intermediate sleeve 3033 to vertically descend; meanwhile, a sliding groove 3035 is formed in the inner part of the outer sleeve 3031 and the surface, close to the inner sleeve 3032, of the middle sleeve 3033, and a sliding block 3034 capable of sliding reciprocally relative to the inner sleeve 3032 is arranged in the sliding groove 3035. Meanwhile, the sliding block 3034 is also made of metal, and can move towards the direction of the inner sleeve 3032 and keep being attached under the adsorption action of the magnetic block 304, the sliding block 3034 on the middle sleeve 3033 is attached to the outer surface of the inner sleeve 3032, and the sliding block 3034 on the outer sleeve 3031 is attached to the outer surface of the middle sleeve 3033. When the inner sleeve 3032 descends, the sliding block 3034 on the middle sleeve 3033 can be pushed to retract into the sliding groove 3035, interference can not be generated on the descending of the inner sleeve 3032, and when the inner sleeve 3032 drives the middle sleeve 3033 to descend, the middle sleeve 3033 can be pushed to push the sliding block 3034 on the outer sleeve 3031 to retract into the sliding groove 3035, and interference can not be generated on the descending of the middle sleeve 3033.
Meanwhile, when the inner sleeve 3032 drives the middle sleeve 3033 to descend, the sliding block 3034 on the middle sleeve 3033 can automatically move towards the inner sleeve 3032 under the action of the magnetic block 304 and is attached to the groove surface of the placement groove, and after the middle sleeve 3033 descends, the sliding block 3034 on the outer sleeve 3031 can also automatically move towards the inner sleeve 3032 under the action of the magnetic block 304 and is attached to the outer surface of the middle sleeve 3033, namely, the arrangement of the magnetic block 304 not only plays a role in driving the ejector rod 605 to move, but also plays a role in driving the sliding block 3034 to move; in order to ensure that the slider 3034 moves after the intermediate sleeve 3033 is completely lowered (the upper slider 3034 of the intermediate sleeve 3033 is separated from the groove surface of the positioning groove), the intermediate position in the vertical direction of the short rod 401 is also made of a magnetic material (without affecting the ejector rod 605), and even if the intermediate position is separated from the positioning groove and cannot correspond to the magnetic block 304, the intermediate position can completely and relatively slide out under the magnetic adsorption action of the short rod 401 and finally be attached to the outer surface of the short rod 401. Meanwhile, because the magnetic block 304 can adsorb the sliding block 3034 to attach to the corresponding middle sleeve 3033 in the initial state, the free sliding of the middle sleeve 3033 can be prevented, and the shrinkage and folding states of the outer sleeve 3031, the middle sleeve 3033 and the inner cylinder in the initial state are ensured.
In the above structure, the outer sheath 3031, the inner sheath 3032 and the intermediate sheath 3033 are all rectangular in design so that the distances between the surfaces and the short bar 401 are kept equal. Of course, the number of the intermediate sleeves 3033 may be correspondingly increased according to the requirement, the plurality of intermediate sleeves 3033 are sequentially sleeved, the inner sleeve 3032 is attached to the inner side of the mounting groove of the outer sleeve 3031, the innermost intermediate sleeve 3033 is attached to the inner sleeve 3032, and the outermost intermediate sleeve 3033 is attached to the outer side of the mounting groove of the outer sleeve 3031.
In order to drive the inner sleeve 3032 to stably move downwards, the outer surface of the short rod 401 fixedly connected with the sampling mechanism 5 is fixedly provided with a bracket 7, meanwhile, the bracket 7 is fixedly connected with the bottom of the inner sleeve 3032, and when the short rod 401 descends to drive the sampling mechanism 5 to descend, the inner sleeve 3032 can be driven to synchronously descend through the bracket 7.
Referring to fig. 1 to 8, in the present embodiment, it is preferable that: in order to realize synchronous descent of the inner sleeve 3032 driving the middle sleeve 3033, pushing of the inner sleeve 3032 on the upper sliding block 3034 of the middle sleeve 3033 and pushing of the middle sleeve 3033 on the upper sliding block 3034 of the outer sleeve 3031, a boss 3036 is formed on the outer surface of the inner sleeve 3032 in an outward protruding mode at a position close to the top and the outer surface of the middle sleeve 3033 and at a position close to the top, when the inner sleeve 3032 descends, the boss 3036 abuts against the inner wall of the middle sleeve 3033 to push the middle sleeve 3033 to synchronously descend, and meanwhile, the boss 3036 also plays a role in pushing the upper sliding block 3034 of the middle sleeve 3033 to retract into the sliding groove 3035; the boss 3036 functions to push the upper slider 3034 of the outer housing 3031 into the slot 3035 as the intermediate housing 3033 descends with the inner housing 3032.
In order to realize stable pushing of the boss 3036 to the slider 3034 without jamming, the boss 3036 includes an upper oblique side and a lower oblique side which are symmetrically crossed, however, a vertical surface may be formed between the upper oblique side and the lower oblique side without crossing, and at this time, the upper oblique side, the lower oblique side and the vertical surface form a laterally standing trapezoid. Meanwhile, a first inclined plane 3037 is formed on one side, close to the inner sleeve 3032, of the top of the sliding block 3034 and one side, close to the inner sleeve 3032, of the bottom of the sliding block 3034, the inclined direction of the upper first inclined plane 3037 is the same as that of the lower inclined plane, the inclined direction of the lower first inclined plane 3037 is the same as that of the upper inclined plane, so that the first inclined plane 3037 above the lower inclined plane is extruded by the lower inclined plane when the boss 3036 descends to enable the sliding block 3034 to retract into the sliding groove 3035, and then the sliding block 3034 can move towards the inner sleeve 3032 under the action of the magnetic block 304. In this embodiment, the lower bevel edge and the upper first bevel edge 3037 are both inclined toward the inner sleeve 3032 from the left downward direction, and the inclined directions of the lower first bevel edge 3037 and the upper bevel edge are both inclined toward the right downward direction and away from the inner sleeve 3032 (view angle of fig. 7).
In order to ensure that the sliding block 3034 moves in the direction of the inner sleeve 3032 after the inner sleeve 3032 or the intermediate sleeve 3033 is lowered into place, the length dimension of the sliding groove 3035 in the vertical direction is smaller than the downward sliding distance dimension of the inner sleeve 3032, specifically, is smaller than the downward sliding distance dimension minus the length dimension of the boss 3036 in the vertical direction; thus, after the inner sleeve 3032 or the middle sleeve 3033 is lowered into place, it is positioned below the outer adjacent runner 3035, and the slider 3034 can slide in the direction of the inner sleeve 3032 and move over the inner sleeve 3032 or the corresponding middle sleeve 3033 and engage the groove surface of the placement groove or the outer surface of the corresponding middle sleeve 3033 or the outer surface of the stub 401.
From the above, the left and right wall thicknesses of the inner sleeve 3032, the intermediate sleeve 3033 and the outer sleeve 3031 are sequentially increased, the left and right wall thickness of the intermediate sleeve 3033 is greater than the left and right wall thickness dimension of the inner sleeve 3032 plus the left and right width dimension of the boss 3036, and the left and right wall thickness dimension of the outer sleeve 3031 on the right side of the disposition groove is greater than the left and right wall thickness dimension of the intermediate sleeve 3033 plus the left and right width dimension of the boss 3036; in this way, in the initial state, the sliding block 3034 can be attached to the outer surface of the corresponding inner sleeve 3032/middle sleeve 3033 under the action of the magnetic block 304, and after the inner sleeve 3032 and the middle sleeve 3033 descend, the sliding block 3034 can slide towards the inner sleeve 3032 and be located above the corresponding inner sleeve 3032/middle sleeve 3033, and meanwhile, the attaching state is kept with the groove surface of the placement groove or the outer surface of the middle sleeve 3033 or the outer surface of the short rod 401.
Meanwhile, a plurality of through holes can be formed in the surfaces of the outer sleeve 3031, the middle sleeve 3033 and the inner sleeve 3032 in a penetrating manner, the through holes are arranged left and right and are parallel to the left and right deflection direction of the short rod 401, so that water flow can pass through the through holes left and right in parallel, and the acting force of the water flow is further reduced.
When in use, the lifting of the sampling mechanism 5 is realized by the cooperation of the structures of the winding mechanism 2, the short rod 401, the ejector rod 605, the magnetic block 304 and the like so as to finish sampling and detection, and the working process and the effect of the part are the same as those of the first embodiment, and the repeated description is omitted. The difference is that: when the lowest short rod 401 drives the sampling mechanism 5 to descend, the inner sleeve 3032 is driven to synchronously descend through the support 7, the lower oblique side of the boss 3036 on the inner sleeve 3032 presses the sliding block 3034 on the middle sleeve 3033 to retract into the sliding groove 3035, then the inner sleeve 3032 continues to descend until the boss 3036 contacts with the inner bottom wall of the middle sleeve 3033, and at the moment, the sliding block 3034 can slide towards the inner sleeve 3032 under the adsorption action of the magnetic block 304, is positioned above the inner sleeve 3032 and is attached to the groove surface of the placement groove; along with the continuous descent of the inner sleeve 3032, the middle sleeve 3033 can be driven to synchronously descend through the boss 3036, the lower oblique side of the boss 3036 on the middle sleeve 3033 presses the sliding block 3034 on the outer sleeve 3031 to enable the sliding block to retract into the sliding groove 3035, then the middle sleeve 3033 continuously descends until the boss 3036 is contacted with the bottom wall of the outer sleeve 3031, and when the sliding block 3034 can slide towards the inner sleeve 3032 under the adsorption action of the magnetic block 304, is positioned above the middle sleeve 3033 and is attached to the outer surface of the middle sleeve 3033; when the middle sleeve 3033 descends up to the point that the boss 3036 contacts the inner bottom wall of the outer sleeve 3031, the upper slider 3034 of the middle sleeve 3033 is separated from the groove surface of the seating groove, and at this time, the slider 3034 can continue to slide inward by the suction of the short bar 401 and finally contact the outer surface of the short bar 401.
In the first embodiment, although the relative fixation between two adjacent short rods 401 under the lower magnetic block 304 is realized by the arrangement of the magnetic block 304, the sampling mechanism 5 can be ensured to be stable after being immersed in water; however, the effect of maintaining the position of the sampling mechanism 5 after water entering is poor only through the relative fixation between the short rods 401 of the lower magnetic block 304, and meanwhile, as the depth of water entering of the sampling mechanism 5 increases, the acting force of the flowing water flow between the short rods 401 which are relatively fixed can be increased more and more, the short rods 401 which are relatively fixed under the lower magnetic block 304 can be kept, the whole body is bent, and then accurate sampling of the sampling mechanism 5 can be affected, so that certain use limitations exist. Compared with the first embodiment, through the matching of the structures such as the magnetic block 304, the outer sleeve 3031, the middle sleeve 3033 and the inner sleeve 3032, when the short rod 401 descends through the outer sleeve 3031, the inner sleeve 3032 and the middle sleeve 3033 can be driven to slide out in sequence, the short rod 401 is covered by the sliding inner sleeve 3032 and the middle sleeve 3033, the corresponding sliding block 3034 is contacted with the short rod 401 to provide supporting force for the short rod 401 which is relatively fixed, meanwhile, the sliding block 3034 which is not slid out can keep a sequential attaching state, hollow gaps are avoided between the inner sleeve 3032 and the middle sleeve 3033 and between the middle sleeve 3033 and the outer sleeve 3031, the relative offset between the inner sleeve 3032 and the outer sleeve 3031 can be avoided, the supporting force of the short rod 401 below the outer sleeve 3031 is further ensured, the flowing water cannot bend the short rod 401 which is relatively fixed below the outer sleeve 3031, and the sampling mechanism 5 can be accurately moved in place after water is drained, the stable and the stable is ensured, the accurate water taking and the subsequent detection result is accurately combined with the movement of the short rod 304 and the setting of the magnetic block, and the applicability is better.
Embodiment III:
referring to fig. 1 to 10, in order to further ensure the stability of the sampling mechanism 5 after water is introduced, the wall thickness of the placement groove in the outer sleeve 3031 near the perforation is smaller than the wall thickness of the inner sleeve 3032, meanwhile, the long plate 3038 is slidably mounted on the surface of the inner sleeve near the perforation, and the slidable distance between the long plate 3038 and the inner wall of the inner sleeve 3032 is greater than or equal to the wall thickness of the placement groove in the outer sleeve 3031 near the perforation, so that the long plate 3038 can contact with the outer surface of the short rod 401 after sliding out from the inner sleeve 3032.
To achieve sliding of the long plate 3038 out of the inner housing 3032, a second spring (not shown) is fixedly mounted between the surface of the long plate 3038 remote from the through hole and the inner wall of the inner housing 3032, and the second spring allows the long plate 3038 to automatically slide out and contact the outer surface of the short rod 401 when the inner housing 3032 is lowered and the long plate 3038 is separated from the groove surface of the seating groove. Subsequently, when the inner sleeve 3032 drives the long plate 3038 to rise, in order to achieve shrinkage of the long plate 3038 toward the inner sleeve 3032, a second inclined surface 3039 is formed at the bottom of the outer sleeve 3031 and at the top of the long plate 3038.
Referring to fig. 1 to 10, in the present embodiment, it is preferable that: the second inclined surface 3039 is inclined in a downward right direction (view of fig. 10), and when the long plate 3038 ascends along with the inner sleeve 3032, the second inclined surface 3039 of the outer sleeve 3031 presses the second inclined surface 3039 of the long plate 3038, so that the long plate 3038 is contracted toward the inner sleeve 3032 and presses the second spring.
Meanwhile, in order to ensure stable contact between the long plate 3038 and the short bar 401, the length dimension of the long plate 3038 in the up-down direction is smaller than the slidable distance of the inner sleeve 3032 in the up-down direction, so that the long plate 3038 can be completely separated from the groove surface of the installation groove after the inner sleeve 3032 is lowered in place, thereby achieving contact with the short bar 401.
When in use, the lifting of the sampling mechanism 5 is realized by the cooperation of the structures of the winding mechanism 2, the short rod 401, the inner sleeve 3032, the outer sleeve 3031, the magnetic block 304 and the like so as to finish sampling and detection, and the working process and the effect of the part are the same as those of the second embodiment, and the repeated description is omitted. The difference is that: when the inner sleeve 3032 descends, the long plate 3038 is driven to synchronously descend, and when the boss 3036 on the inner sleeve 3032 contacts the inner bottom wall of the middle sleeve 3033, the long plate 3038 can slide out of the inner sleeve 3032 and contact the outer surface of the short rod 401; when the inner housing 3032 is raised, the second sloped surface 3039 on the top of the long plate 3038 is compressed by the second sloped surface 3039 on the bottom of the outer housing 3031, allowing the long plate 3038 to automatically retract into the inner housing 3032 and compress the second spring.
In the second embodiment, although the short bar 401 is provided with good supporting force by the inner sleeve 3032, the middle sleeve 3033 and the outer sleeve 3031, the short bar 401 covered by the inner sleeve 3032 is still in an unsupported state, and the short bar 401 can be left and right displaced relative to the fixed short bar, which has a certain limitation in use. Compared with the second embodiment, through the cooperation of the structures such as the inner sleeve 3032, the outer sleeve 3031, the second inclined surface 3039 and the long plate 3038, when the inner sleeve 3032 descends, not only the cooperation boss 3036 plays a role in driving the upper sliding block 3034 of the middle sleeve 3033 to move, but also the long plate 3038 can be driven to synchronously move, when the inner sleeve 3032 descends in place, the sliding block 3034 can automatically slide out to contact with the outer surface of the short rod 401, so that the effective support of the short rod 401 covered by the inner sleeve can be realized, the effective support of all the short rods 401 below the outer sleeve 3031 is ensured, the vertical state of the short rod 401 and the accurate and stable position of the sampling mechanism 5 are further ensured, the accuracy of the water taking position and the detection result is further ensured, and the integral operation is combined with the movement of the short rod 401 and the arrangement of the magnetic block 304, and more requirements in actual use are met.
Claims (8)
1. The rapid sampling and detecting integrated equipment for river and lake water quality detection comprises a sampling mechanism and a rack, wherein a detecting mechanism is arranged on the surface of the rack, and the rapid sampling and detecting integrated equipment is characterized in that a control unit for driving the sampling mechanism to lift is arranged on the rack, the control unit comprises a traction component fixedly connected with the sampling mechanism and a winding mechanism for realizing winding/unwinding of the traction component, an adjusting component for enabling the traction component to bypass reversing is arranged on the surface of the rack, the adjusting component comprises a magnetic block, and when the traction component passes through the magnetic block, the movable state and the relatively fixed state can be switched;
the traction assembly comprises a plurality of short rods, the plurality of short rods are sequentially connected through connecting pieces, and two short rods positioned on the marginal edges of two sides are fixedly connected with the sampling mechanism and the winding mechanism respectively; when the connecting piece passes through the magnetic block, two adjacent short rods can be switched between an active state and a relatively fixed state;
the connecting piece comprises a side plate and a baffle plate, wherein the baffle plate and one side opposite to two adjacent short rods are respectively and fixedly connected, and a cylinder fixedly connected with the baffle plate is rotatably arranged on the side plate; the surface of the partition plate is provided with a groove, the inside of the groove is slidably provided with a push rod, the surface of the side plate is provided with a clamping groove matched with the push rod, and a first spring is fixedly arranged between the top of the push rod and the groove wall of the groove.
2. The rapid sampling and detecting integrated device for water quality detection of rivers and lakes according to claim 1, wherein the number of the side plates is two, the cylinders are rotatably installed in the middle, the clamping groove is formed in the surface of one of the side plates, and the front and rear center connecting line direction of the two side plates is perpendicular to the moving direction of the short rod to the adjusting assembly.
3. The integrated rapid sampling and detecting device for water quality detection of rivers and lakes according to claim 1, wherein the first spring is arranged in an inclined manner, and the ejector rod is limited in the clamping groove when the joint of the first spring and the ejector rod is located at one side of the clamping groove.
4. The rapid sampling and detecting integrated device for water quality detection in rivers and lakes according to any one of claims 1-3, wherein the adjusting assembly comprises a base fixedly connected with the frame, a reversing wheel which is used for the short rod to bypass is rotatably arranged in the base, a shell which is sleeved outside the short rod is fixedly arranged on the surface of the base, a through hole which is matched with the short rod and is used for the short rod to pass through from top to bottom is formed in the shell, two magnetic blocks are fixedly embedded in the shell, and the two magnetic blocks are arranged in an up-down staggered manner and are positioned on one side far away from the clamping groove.
5. The rapid sampling and detecting integrated device for water quality detection of rivers and lakes according to claim 4, wherein the housing comprises an outer sleeve fixedly connected with the base, the through hole is formed in the center of the outer sleeve for the short rod to pass through, an annular mounting groove is formed in the bottom of the outer sleeve, an inner sleeve and an intermediate sleeve are sequentially and slidably mounted in the mounting groove from inside to outside, sliding grooves are formed in the outer sleeve, corresponding to the intermediate sleeve, on the surface of the intermediate sleeve and the surface, close to the inner sleeve, of the intermediate sleeve, sliding blocks capable of sliding back and forth relative to the through hole are arranged in the sliding grooves, and a bracket fixedly connected with the inner sleeve is fixedly mounted on the outer surface of the short rod fixedly connected with the sampling mechanism.
6. The rapid sampling and detecting integrated device for water quality detection of rivers and lakes according to claim 5, wherein the outer surface of the inner sleeve and the outer surface of the middle sleeve are outwards protruded to form bosses, the bosses comprise upper oblique sides and lower oblique sides which are symmetrically arranged, the top and the bottom of the sliding block are provided with first oblique sides, the upper first oblique sides are identical to the lower oblique sides in inclination direction, the lower first oblique sides are identical to the upper oblique sides in inclination direction, and the sliding block is retracted into the sliding groove when the lower oblique sides are contacted with the first oblique sides of the top.
7. The integrated rapid sampling and detecting device for water quality detection in rivers and lakes according to claim 6, wherein the length dimension of the chute in the vertical direction is smaller than the slidable dimension of the inner sleeve or the middle sleeve, and the wall thickness dimensions of the inner sleeve, the middle sleeve and the outer sleeve are sequentially increased.
8. The rapid sampling and detecting integrated device for water quality detection in rivers and lakes according to any one of claims 5 to 7, wherein the short rod is made of magnetic material at a position axially near the center.
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| CN202210992663.0A CN115356155B (en) | 2022-08-18 | 2022-08-18 | River lake water quality testing is with quick sample and detection integration equipment |
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| CN116773260B (en) * | 2023-07-03 | 2024-04-30 | 江门公用水务环境股份有限公司 | Intelligent water quality monitoring system |
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