CN108760736B - PH value detection equipment and detection method thereof - Google Patents
PH value detection equipment and detection method thereof Download PDFInfo
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- CN108760736B CN108760736B CN201810341539.1A CN201810341539A CN108760736B CN 108760736 B CN108760736 B CN 108760736B CN 201810341539 A CN201810341539 A CN 201810341539A CN 108760736 B CN108760736 B CN 108760736B
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 77
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- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 22
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- 230000009471 action Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
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- 101150038956 cup-4 gene Proteins 0.000 description 24
- 239000012085 test solution Substances 0.000 description 4
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
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- 238000005259 measurement Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/80—Indicating pH value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N2021/7756—Sensor type
- G01N2021/7759—Dipstick; Test strip
Abstract
The invention discloses a pH value detection device and a detection method thereof, and relates to the technical field of reagent pH value detection. The base is included, the middle part fixedly connected with supporting mechanism of base upper surface, supporting mechanism include boss, through-hole, recess and first bearing, and the recess has been seted up at the middle part of boss upper surface, and the graduated flask of placing with recess looks adaptation in the inside of recess. This reagent pH valve check out test set for environment measuring and detection method, through setting up first transmission shaft, under the effect of first slide bar and splint, can realize carrying out the tight purpose of clamp to the graduated flask, effectually prevent that the graduated flask from empting and causing its inside liquid to spill and harm personnel's skin, through setting up worm and worm, enable first screw rod to carry PH test paper up-and-down motion, the problem that current peasant need handheld PH test paper to carry out reagent detection has been solved, the effectual liquid of having avoided in the graduated flask is infected with the tester and is caused the problem of tester skin damage.
Description
Technical Field
The invention relates to the technical field of reagent pH value detection, in particular to a pH value detection device and a detection method thereof.
Background
The alkalinity is also called PH, the existing alkalinity-acidity detection equipment generally adopts professional electronic equipment, measurement is carried out by professional personnel, ordinary people cannot use the precision equipment, and reagent detection is carried out by adopting a method of holding a measuring cup and test paper, so that the skin of a tester is possibly damaged by superacid or superalkaline reagents, and the detection result is influenced due to unclean hands, so that the alkalinity-acidity detection equipment and the detection method thereof are provided.
Disclosure of Invention
The invention aims to make up for the defects of the prior art, provides a pH value detection device and a detection method thereof, has the advantages of simple operation and high safety, and solves the problem that the skin is injured when farmers use precision equipment for reagent measurement and hold measuring cups and pH test paper for reagent measurement.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a pH valve check out test set, includes the base, the middle part fixedly connected with supporting mechanism of base upper surface, supporting mechanism includes boss, through-hole, recess and first bearing, the recess has been seted up at the middle part of boss upper surface, and the inside of recess place the graduated flask with recess looks adaptation, the through-hole has been seted up at the middle part of boss right flank, and the inside fixed of through-hole inlays and have two symmetrical first bearings, the last fixed surface of base is connected with fixture, the last fixed surface of base is connected with the support, the middle part fixedly connected with elevating system of support upper surface.
The clamping mechanism comprises a first hand wheel, a first transmission shaft, slide rails, a helicoidal, a first slide bar, a rubber pad, a telescopic rod, a sleeve and a clamping plate, wherein the first transmission shaft comprises a positive thread strip and a negative thread strip, the sleeve comprises a second slide bar, a through groove and a spring, the upper surface of the base is fixedly connected with two symmetrical slide rails, the two slide rails are respectively positioned at two sides of the boss, the inside of each slide rail is clamped with the first slide bar matched with the slide rail, the right side surface of each first slide bar is fixedly embedded with a spiral ring, the inside of the through hole is provided with the first transmission shaft, two ends of the first transmission shaft respectively penetrate through the first bearing and the spiral ring and extend to two sides of the first slide bar, the two ends of the first transmission shaft are respectively fixedly connected with the outer surface of the inner ring of the first transmission shaft, the outer surface of the first transmission shaft is respectively provided with the positive thread strip and the negative thread strip, and positive thread strip way and negative thread strip way are the symmetry form, positive thread strip way is located the left side on negative thread strip way, and the surface on positive thread strip way and negative thread strip way respectively with the inner circle threaded connection of two volutes, two the equal fixedly connected with telescopic link in upper portion that first slide bar is close to a side each other, every the surface of telescopic link all is equipped with the sleeve, two a side that the sleeve is close to each other is the splint of fixedly connected with and graduated flask looks adaptation respectively.
The lifting mechanism comprises a connecting rod, a sliding ring, third slide bars, a first screw rod, a second bearing, a threaded cylinder, a worm wheel, a worm, a third bearing, a second hand wheel, a transmission case and a limiting plate, the transmission case is fixedly connected to the middle part of the upper surface of the support, the second bearings are fixedly embedded on the inner top wall and the inner bottom wall of the transmission case, the threaded cylinder is placed inside the transmission case, the outer surfaces of the top end and the bottom end of the threaded cylinder are fixedly connected with the inner rings of the two second bearings respectively, a first screw rod matched with the threaded cylinder is placed above the transmission case, the bottom end of the first screw rod sequentially penetrates through the second bearing, the threaded cylinder and the support and extends to the lower part of the support, the outer surface of the first screw rod is in threaded connection with the inner rings of the threaded cylinder, two symmetrical third slide bars are fixedly connected to the upper surface of the transmission case, and a sliding ring matched with the outer surface of each third slide bar is sleeved on the outer surface of the third slide bar, the last fixed surface of first screw rod is connected with the connecting rod, and the connecting rod is located the top of transmission case, two a side that the sliding ring is close to each other respectively with the left and right sides face fixed connection of connecting rod, the worm wheel has been placed to the inside of transmission case, and the inner circle of worm wheel and the middle part fixed connection of screw thread section of thick bamboo surface, the middle part fixed mosaic of transmission case inside wall has two symmetrical third bearings, the worm with worm wheel looks adaptation has been placed to the inside of transmission case, the surface at both ends runs through two third bearings respectively about the worm, and the surface of worm right-hand member extends to the outside of transmission case, the surface at both ends respectively with the inner circle fixed connection of two third bearings about the worm, the second hand wheel has been placed on the right side of transmission case, and the right flank fixed connection of the middle part of second hand wheel left surface and worm.
Further, the bottom surface of the first screw rod is fixedly connected with a clamping mechanism, the clamping mechanism comprises a supporting plate, a universal groove, a universal ball, a spiral ring, a second screw rod, a third hand wheel, a movable clamping plate, a fixed clamping plate and an anti-slip mat, the bottom surface of the first screw rod is fixedly connected with the supporting plate, the right side of the front surface of the supporting plate is fixedly connected with the fixed clamping plate in an L shape, the upper part of the right side surface of the fixed clamping plate is fixedly embedded with the spiral ring, the left side of the front surface of the supporting plate is fixedly hinged with the movable clamping plate matched with the fixed clamping plate through a pin, the upper part of the right side surface of the movable clamping plate is provided with the universal groove, the universal ball matched with the universal groove is clamped in the universal groove, the second screw rod matched with the spiral ring is placed on the right side of the fixed clamping plate, the left end of the second screw rod penetrates through the spiral ring and extends to the left side of the fixed clamping plate, the outer surface of the second screw is in threaded connection with the inner ring of the spiral ring, the left side surface of the second screw is fixedly connected with the outer surface of the universal ball, and the anti-slip mat is fixedly connected to one side surface, close to the movable clamping plate and the fixed clamping plate, of the movable clamping plate.
Through adopting above-mentioned technical scheme, make movable splint and solid fixed splint can carry out reliable clamp with the PH test paper and press from both sides tightly, solved traditional this experimental problem that needs handheld PH to carry out experiment, effectually avoided test solution to be infected with tester's hand and caused the impaired problem of test hand skin all.
Further, all seted up logical groove on telescopic interior roof and the interior diapire, the inside joint that leads to the groove has the second slide bar with lead to groove looks adaptation, the spring has been placed to telescopic inside, the left end of spring and the right flank fixed connection of splint, the right-hand member of spring and the left surface fixed connection of telescopic link.
Through adopting above-mentioned technical scheme, enable the spring and stretch out and draw back in the sleeve to effectually avoid when user operation fixture hard excessively to clip the graduated flask garrulous.
Furthermore, one side face, close to each other, of each of the two clamping plates is fixedly connected with a rubber pad, and the side face, close to each other, of each of the two rubber pads is respectively contacted with the upper portions of the left side face and the right side face of the measuring cup.
Through adopting above-mentioned technical scheme, effectually avoided splint direct and the graduated flask to contact and cause the graduated flask to damage, and can increase the frictional force between splint and the graduated flask, the effectual graduated flask horizontal hunting of avoiding.
Furthermore, each upper surface of the third slide bar is fixedly connected with a cylindrical limiting plate, and the diameter value of the limiting plate is larger than the horizontal length value of the third slide bar.
By adopting the technical scheme, the sliding ring is effectively prevented from sliding out of the third sliding rod, and the device is prevented from being damaged.
Further, the transmission box is located above the measuring cup, and the first screw rod is located right above the measuring cup.
By adopting the technical scheme, the problem that the detection method fails due to the fact that the PH test paper cannot smoothly enter the measuring cup due to the inclination of the first screw is effectively avoided.
Further, the detection method comprises the following steps: s1, sampling the test agent by S-type or cross five-point sampling method; s2, mixing the sampled reagents; s3, placing the measuring cup for testing into the groove, rotating the first hand wheel clockwise, rotating the first transmission shaft clockwise, driving the two spiral rings to move to one side face close to each other by a positive thread line and a negative thread line formed on the first transmission shaft, and moving the two slide bars to one side face close to each other, so that the two slide bars push the two telescopic rods to press the two springs to close to each other, the two springs push the two clamping plates to close to each other to clamp the measuring cup, and stopping rotating the first hand wheel when the measuring cup cannot swing left and right; s4, pouring 50g of the filtered reagent into a measuring cup, pouring 250ml of distilled water into the measuring cup, stirring for about minutes by using a glass rod, standing for half an hour, and clarifying; s5, firstly, rotating the third hand wheel anticlockwise, so that the second screw rod moves rightwards under the action of the screw threads of the spiral ring, at the moment, the left end of the second screw rod pulls the movable clamping plate to rotate clockwise around the pin through the universal ball, so that the two anti-skid pads are separated, at the moment, the PH test paper is placed between the two anti-skid pads, and the third hand wheel is rotated clockwise, so that the second screw rod moves leftwards under the action of the screw threads of the spiral ring, at the moment, the left end of the second screw rod pushes the movable clamping plate to rotate anticlockwise around the pin through the universal ball, so that the two anti-skid pads approach each other to clamp the PH test paper, and when the PH test paper is firmly clamped, stopping rotating the third hand; s6, clockwise rotating the second hand wheel, clockwise rotating the worm at the moment, so that the worm wheel meshed with the worm drives the threaded cylinder to clockwise rotate, downwards moving the first screw rod under the action of the threads of the threaded cylinder at the moment, so as to drive the clamping mechanism and the PH test paper to downwards move into the measuring cup, when the bottom end of the PH test paper is crossed with the liquid in the measuring cup by about cm, reversely rotating the second hand wheel, anticlockwise rotating the worm at the moment, so that the worm wheel meshed with the worm drives the threaded cylinder to anticlockwise rotate, upwards moving the first screw rod under the action of the threads of the threaded cylinder at the moment, so as to drive the clamping mechanism and the PH test paper to upwards move, and stopping rotating the second hand wheel after the bottom end of the PH test paper leaves the measuring cup; s7, when the PH test paper leaves the liquid in the measuring cup within 20-30 seconds, comparing the PH test paper with a color comparison card to obtain the pH value of the reagent; s8, when the test is finished, the PH test paper is pinched by one hand and the third hand wheel is shaken by the other hand in the anticlockwise direction, the second screw rod moves rightwards under the action of the screw threads of the spiral ring, the left end of the second screw rod pulls the movable clamping plate through the universal ball to enable the movable clamping plate to rotate clockwise around the pin, so that the two anti-skid pads are separated, and the PH test paper can be taken out at the moment.
Compared with the prior art, the equipment and the method for detecting the pH value of the reagent for environment detection have the following beneficial effects: 1. according to the invention, through arranging the first transmission shaft, the rotation of the first transmission shaft can be converted into the spiral action between the positive thread line and the negative thread line and between the two spiral rings, so that the two first sliding rods can drive the two clamping plates to mutually approach, the purpose of clamping the measuring cup is realized, the phenomenon that liquid in the measuring cup is spilled to damage the skin of a person due to the fact that the measuring cup is toppled over is effectively prevented, through arranging the worm wheel, the rotation of the worm can be converted into the rotation of the threaded cylinder under the meshing action of the worm, and therefore, the first screw rod carries the clamping mechanism to move up and down under the thread action of the threaded cylinder, the problem that the existing farmer needs to hold a PH test paper to detect a reagent is solved, the problem that the liquid in the measuring cup is stained on the skin of the tester to cause the skin of the tester is effectively avoided, the detection result is more accurate, and the entry of impurities is avoided.
2. According to the invention, the second screw rod is arranged, the rotation of the second screw rod can be converted into the left-right swing of the movable clamping plate, so that the PH test paper can be clamped, the spring can stretch in the sleeve by arranging the through groove, the phenomenon that the measuring cup is crushed by too hard force when a user operates the clamping mechanism is effectively avoided, the damage of the measuring cup caused by the fact that the clamping plate directly contacts with the measuring cup is effectively avoided by arranging the rubber pad, the damage of the device caused by the fact that the sliding ring slides out of the third sliding rod is effectively avoided by arranging the limiting plate, and the problem that the PH test paper cannot smoothly enter the measuring cup due to the inclination of the first screw rod and the detection method fails is effectively avoided by arranging the first screw rod right above the measuring cup.
Drawings
FIG. 1 is a cross-sectional view of a front view of a stent according to the present invention; FIG. 2 is a front elevational view of the first drive shaft of the present invention; FIG. 3 is a cross-sectional view of a front view of the sleeve of the present invention; FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1-base, 2-clamping mechanism, 21-first hand wheel, 22-first transmission shaft, 221-positive thread strip, 222-negative thread strip, 23-sliding rail, 24-helicoid, 25-first sliding rod, 26-rubber pad, 27-telescopic rod, 28-sleeve, 281-second sliding rod, 282-through groove, 283-spring, 29-clamping plate, 3-supporting mechanism, 301-boss, 302-through hole, 303-groove, 304-first bearing, 4-measuring cup, 5-lifting mechanism, 501-connecting rod, 502-sliding ring, 503-third sliding rod, 504-first screw rod, 505-second bearing, 506-threaded cylinder, 507-worm wheel, 508-worm, 509-third bearing, 510-a second hand wheel, 511-a transmission case, 512-a limiting plate, 6-a bracket, 7-a clamping mechanism, 701-a supporting plate, 702-a universal groove, 703-a universal ball, 704-a spiral ring, 705-a second screw rod, 706-a third hand wheel, 707-a movable clamping plate, 708-a fixed clamping plate and 709-an anti-slip pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a pH valve check out test set, the on-line screen storage device comprises a base 1, the middle part fixedly connected with supporting mechanism 3 of 1 upper surface of base, supporting mechanism 3 includes boss 301, through-hole 302, recess 303 and first bearing 304, the middle part of boss 301 upper surface is seted up recess 303, and the inside of recess 303 places the graduated flask 4 with recess 303 looks adaptation, through-hole 302 has been seted up at the middle part of boss 301 right flank, and the inside fixed embedding of through-hole 302 has two symmetrical first bearings 304, base 1's last fixed surface is connected with fixture 2, base 1's last fixed surface is connected with support 6, the middle part fixedly connected with elevating system 5 of support 6 upper surface.
The clamping mechanism 2 comprises a first hand wheel 21, a first transmission shaft 22, a slide rail 23, a helicoidal 24, a first slide bar 25, a rubber pad 26, a telescopic rod 27, a sleeve 28 and a clamping plate 29, wherein the first transmission shaft 22 comprises a positive thread line 221 and a negative thread line 222, the sleeve 28 comprises a second slide bar 281, a through groove 282 and a spring 283, the upper surface of the base 1 is fixedly connected with the two symmetrical slide rails 23, the two slide rails 23 are respectively positioned at two sides of the boss 301, the first slide bar 25 matched with the slide rail 23 is clamped inside each slide rail 23, the helicoidal 24 is fixedly embedded in each first slide bar 25, the first transmission shaft 22 is placed inside the through hole 302, two ends of the first transmission shaft 22 respectively penetrate through the first bearing 304 and the helicoidal 24 and extend to two sides of the first slide bar 25, inner rings of the two first bearing 304 are fixedly connected with the outer surface of the first transmission shaft 22, the positive thread line 221 and the negative thread line 222 are respectively arranged on the outer surface of the first transmission shaft 22, and positive thread path 221 and reverse thread path 222 are symmetrical, positive thread path 221 is located the left side of reverse thread path 222, and the surface of positive thread path 221 and reverse thread path 222 respectively with the inner circle threaded connection of two helicoids 24, two first slide bars 25 are all fixedly connected with telescopic link 27 on the upper portion that is close to a side each other, the surface of every telescopic link 27 all overlaps and is equipped with sleeve 28, the side that two sleeves 28 are close to each other respectively fixedly connected with the splint 29 with graduated flask 4 looks adaptation.
The lifting mechanism 5 comprises a connecting rod 501, a sliding ring 502, a third sliding rod 503, a first screw rod 504, a second bearing 505, a threaded cylinder 506, a worm wheel 507, a worm 508, a third bearing 509, a second hand wheel 510, a transmission box 511 and a limit plate 512, the middle part of the upper surface of the bracket 6 is fixedly connected with the transmission box 511, the second bearing 505 is fixedly embedded on the inner top wall and the inner bottom wall of the transmission box 511, the threaded cylinder 506 is placed inside the transmission box 511, the outer surfaces of the top end and the bottom end of the threaded cylinder 506 are respectively and fixedly connected with the inner rings of the two second bearings 505, the first screw rod 504 matched with the threaded cylinder 506 is placed above the transmission box 511, the bottom end of the first screw rod 504 sequentially penetrates through the second bearing 505, the threaded cylinder 506 and the bracket 6 and extends to the lower part of the bracket 6, the outer surface of the first screw rod 504 is in threaded connection with the inner rings of the threaded cylinder 506, the upper surface of the transmission box, the outer surface of each third sliding rod 503 is sleeved with a sliding ring 502 matched with the third sliding rod 503, the upper surface of the first screw 504 is fixedly connected with a connecting rod 501, the connecting rod 501 is positioned above a transmission box 511, one side surface of each sliding ring 502 close to each other is fixedly connected with the left side surface and the right side surface of the connecting rod 501, a worm wheel 507 is placed in the transmission box 511, the inner ring of the worm wheel 507 is fixedly connected with the middle part of the outer surface of the threaded barrel 506, two symmetrical third bearings 509 are fixedly embedded in the middle part of the inner side wall of the transmission box 511, a worm 508 matched with the worm wheel 507 is placed in the transmission box 511, the outer surfaces of the left end and the right end of the worm 508 respectively penetrate through the two third bearings 509, the outer surface of the right end of the worm 508 extends to the outside of the transmission box 511, the outer surfaces of the left end and the right end of the worm 508 are fixedly connected with the inner rings of the two third bearings 509 respectively, a second wheel 510 is placed on the right side of the transmission box 511, and the middle of the left side of the second wheel 510 is fixedly connected with the right side of the worm 508.
Further, the bottom surface of the first screw 504 is fixedly connected with a clamping mechanism 7, the clamping mechanism 7 comprises a supporting plate 701, a universal groove 702, a universal ball 703, a spiral ring 704, a second screw 705, a third hand wheel 706, a movable clamping plate 707, a fixed clamping plate 708 and an anti-slip pad 709, the bottom surface of the first screw 504 is fixedly connected with the supporting plate 701, the right side of the front surface of the supporting plate 701 is fixedly connected with an L-shaped fixed clamping plate 708, the upper portion of the right side surface of the fixed clamping plate 708 is fixedly embedded with the spiral ring 704, the left side of the front surface of the supporting plate 701 is fixedly hinged with the movable clamping plate 707 matched with the fixed clamping plate 708 through a pin, so that the movable clamping plate 707 and the fixed clamping plate 708 can reliably clamp the test PH test paper, the problem that the test needs to be carried out by holding the PH by hand in the traditional test is solved, the problem that the skin of the hand of a tester is damaged by staining a test solution is effectively avoided, the upper portion of the right side surface of the movable clamping plate 707 is provided with the universal groove 702, the inside joint of universal groove 702 has universal ball 703 with universal groove 702 looks adaptation, the second screw 705 with spiral ring 704 looks adaptation is placed to fixed splint 708's right side, the left end of second screw 705 runs through spiral ring 704 and extends to the left side of fixed splint 708, and the surface of second screw 705 and the inner circle threaded connection of spiral ring 704, the left surface of second screw 705 and the surface fixed connection of universal ball 703, movable splint 707 and the equal fixedly connected with slipmat 709 of a side that fixed splint 708 is close to each other, can increase the frictional force between this device and the PH test paper, the effectual PH test paper that prevents slips off when pressing from both sides tightly, avoid causing the problem of this detection method inefficacy to take place.
Further, logical groove 282 has all been seted up on the interior roof of sleeve 28 and the interior diapire, the inside joint that leads to groove 282 has the second slide bar 281 with lead to groove 282 looks adaptation, spring 283 has been placed to the inside of sleeve 28, the left end of spring 283 and the right side fixed connection of splint 29, the right-hand member of spring 283 and the left side fixed connection of telescopic link 27, it is flexible in sleeve 28 to enable spring 283, thereby effectually avoided when user operation fixture 7 exerting oneself too violently to press from both sides measuring cup 4 garrulous.
Further, the rubber pads 26 are fixedly connected to one side face, close to each other, of the two clamping plates 29, and the side face, close to each other, of the two rubber pads 26 is respectively in contact with the upper portions of the left side face and the right side face of the measuring cup 4, so that the phenomenon that the measuring cup 4 is damaged due to the fact that the clamping plates 29 are directly in contact with the measuring cup 4 is effectively avoided, friction between the clamping plates and the measuring cup 4 can be increased, and the measuring cup 4 is effectively prevented from swinging left and right.
Furthermore, the upper surface of each third sliding rod 503 is fixedly connected with a cylindrical limiting plate 512, and the diameter value of the limiting plate 512 is greater than the horizontal length value of the third sliding rod 503, so that the sliding ring 502 is effectively prevented from sliding out of the third sliding rod 503, and the device is prevented from being damaged.
Furthermore, the transmission case 511 is located above the measuring cup 4, and the first screw 504 is located right above the measuring cup 4, so that the situation that the PH test paper for testing cannot smoothly enter the measuring cup 4 due to the inclination of the first screw 504 is effectively avoided, and the test fails.
Further, the detection method comprises the following steps: s1, sampling the agent to be tested by an S-type or cross five-point sampling method, so that the land can be uniformly sampled, the pH value of the whole test of the land is accurate, and the inaccurate test result caused by the excessive pH value of a certain point of the land is effectively avoided; s2, mixing the sampled reagents to enable the reagents to be better mixed with the test solution; s3, placing the measuring cup 4 for testing into the groove 303, rotating the first hand wheel 21 clockwise, at this time, rotating the first transmission shaft 22 clockwise, the positive thread 221 and the negative thread 222 formed on the first transmission shaft 22 will drive the two coils 24 to move to a side face close to each other, at this time, the two sliding rods 25 also move to a side face close to each other, so that the two sliding rods 25 push the two telescopic rods 27 to press the two springs 283 to close to each other, the two springs 283 push the two clamping plates 29 to close to each other to clamp the measuring cup 4, and when the measuring cup 4 cannot swing left and right, stopping rotating the first hand wheel 21; s4, pouring 50g of the filtered reagent into a measuring cup 4, pouring 250ml of distilled water into the measuring cup 4, stirring for about 3 minutes by using a glass rod, standing for half an hour, clarifying, and effectively avoiding inaccurate test results caused by uneven mixing; s5, first, the third handwheel 706 is rotated counterclockwise, so that the second screw 705 moves rightward under the action of the screw thread of the spiral ring 704, at this time, the left end of the second screw 705 pulls the movable clamp plate 707 through the universal ball 703 to rotate clockwise around the pin, so that the two anti-slip pads 709 are separated, at this time, the PH test paper is placed between the two anti-slip pads 709, and the third handwheel 706 is rotated clockwise, so that the second screw 705 moves leftward under the action of the screw thread of the spiral ring 704, at this time, the left end of the second screw 705 pushes the movable clamp plate 707 through the universal ball 703 to rotate counterclockwise around the pin, so that the two anti-slip pads 709 approach each other to clamp the PH test paper, and when the PH test paper is firmly clamped, the third handwheel 706 stops rotating; s6, rotating the second hand wheel 510 clockwise, wherein the worm 508 rotates clockwise, so that the worm wheel 507 engaged with the worm 508 drives the threaded cylinder 506 to rotate clockwise, and at this time, the first screw rod 504 moves downward under the action of the threads of the threaded cylinder 506, so as to drive the clamping mechanism 7 and the PH test paper to move downward into the measuring cup 4, when the bottom end of the PH test paper is intersected with the liquid in the measuring cup 4 by about 1cm, the second hand wheel 510 is rotated reversely, at this time, the worm 508 rotates counterclockwise, so that the worm wheel 507 engaged with the worm 508 drives the threaded cylinder 506 to rotate counterclockwise, at this time, the first screw rod 504 moves upward under the action of the threads of the threaded cylinder 506, so as to drive the clamping mechanism 7 and the PH test paper to move upward, and when the bottom end of the PH test paper leaves the measuring cup 4, the second hand wheel 510 stops rotating; s7, when the PH test paper leaves the liquid in the measuring cup 4 within 20-30 seconds, comparing the PH test paper with a color comparison card to obtain the pH value of the reagent; s8, when the test is completed, the PH test paper is pinched by one hand and the third hand wheel 706 is shaken counterclockwise by the other hand, the second screw 705 moves rightward under the action of the screw thread of the spiral ring 704, and at this time, the left end of the second screw 705 pulls the movable clamp 707 through the universal ball 703 to rotate clockwise around the pin, so that the two anti-slip pads 709 are separated, and at this time, the PH test paper can be taken out.
The working principle is as follows: placing the measuring cup 4 for testing in the groove 303, rotating the first hand wheel 21 clockwise, at this time, rotating the first transmission shaft 22 clockwise, the positive thread line 221 and the negative thread line 222 formed on the first transmission shaft 22 will drive the two spiral rings 24 to move towards one side face close to each other, at this time, the two sliding rods 25 also move towards one side face close to each other, so that the two sliding rods 25 push the two telescopic rods 27 to press the two springs 283 to close to each other, the two springs 283 push the two clamping plates 29 to close to each other to clamp the measuring cup 4, stopping rotating the first hand wheel 21 when the measuring cup 4 cannot swing left and right, pouring 50g of the filtered reagent into the measuring cup 4, pouring 250ml of distilled water into the measuring cup 4, stirring with a glass rod for about 3 minutes, standing for half an hour, clarifying, rotating the third hand wheel 706 counterclockwise first, so that the second screw 705 moves rightwards under the action of the spiral ring 704, at this time, the left end of the second screw 705 pulls the movable clamping plate 707 through the universal ball 703 to rotate clockwise around the pin, so that the two anti-slip pads 709 are separated, at this time, the PH test paper is placed between the two anti-slip pads 709, the third hand wheel 706 is rotated clockwise, so that the second screw 705 moves leftward under the screw thread action of the spiral ring 704, at this time, the left end of the second screw 705 pushes the movable clamping plate 707 through the universal ball 703 to rotate counterclockwise around the pin, so that the two anti-slip pads 709 approach each other to clamp the PH test paper, after the PH test paper is firmly clamped, the third hand wheel 706 stops rotating, the second hand wheel 510 rotates clockwise, at this time, the worm 508 rotates clockwise, so that the worm wheel 507 meshed with the worm 508 drives the threaded barrel 506 to rotate clockwise, at this time, the first screw 504 moves downward under the screw thread action of the threaded barrel 506, so as to drive the clamping mechanism 7 and the PH test paper to move downward into the measuring cup 4, when the bottom of PH test paper and the interior liquid phase of graduated flask 4 cross about 1cm, with the reversal of second hand wheel 510, worm 508 anticlockwise rotation this moment, thereby worm wheel 507 with worm 508 engaged with drives a screw section of thick bamboo 506 anticlockwise rotation, first screw rod 504 upward movement under the screw action of a screw section of thick bamboo 506 this moment, thereby drive clamping mechanism 7 and PH test paper upward movement, stop rotating second hand wheel 510 after the bottom of PH test paper leaves graduated flask 4, leave liquid 20 ~ 30 seconds in the graduated flask 4 when the PH test paper and compare with the colour comparison card, can learn the pH valve of this reagent, can realize the clamp of PH test paper and graduated flask 4, the effectual operating personnel of having avoided causes test solution to be infected with operating personnel hand when experimental and leads to operating personnel hand damage, and the testing result is more accurate.
In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A using method of pH value detection equipment comprises a base (1), the middle part of the upper surface of the base (1) is fixedly connected with a supporting mechanism (3), the supporting mechanism (3) comprises a boss (301), a through hole (302), a groove (303) and a first bearing (304), the middle part of the upper surface of the boss (301) is provided with the groove (303), a measuring cup (4) matched with the groove (303) is arranged in the groove (303), a through hole (302) is arranged in the middle of the right side surface of the boss (301), two symmetrical first bearings (304) are fixedly embedded in the through hole (302), the upper surface of the base (1) is fixedly connected with a clamping mechanism (2), the upper surface of the base (1) is fixedly connected with a bracket (6), the middle part of the upper surface of the bracket (6) is fixedly connected with a lifting mechanism (5); the clamping mechanism (2) comprises a first hand wheel (21), a first transmission shaft (22), slide rails (23), helicoids (24), a first sliding rod (25), a rubber pad (26), a telescopic rod (27), a sleeve (28) and a clamping plate (29), the first transmission shaft (22) comprises a positive thread path (221) and a negative thread path (222), the sleeve (28) comprises a second sliding rod (281), a through groove (282) and a spring (283), the upper surface of the base (1) is fixedly connected with the two symmetrical slide rails (23), the two slide rails (23) are respectively positioned at two sides of a boss (301), the first sliding rod (25) matched with the slide rails (23) is clamped inside each slide rail (23), each first sliding rod (25) is fixedly embedded with a helicoid (24), the first transmission shaft (22) is placed inside the through hole (302), the two ends of the first transmission shaft (22) respectively penetrate through the first bearings (304) and the helicoids (24) and extend to the two sides of the first sliding rods (25), the inner rings of the two first bearings (304) are fixedly connected with the outer surface of the first transmission shaft (22), the outer surface of the first transmission shaft (22) is respectively provided with a positive thread line (221) and a negative thread line (222), the positive thread line (221) and the negative thread line (222) are symmetrical, the positive thread line (221) is positioned on the left side of the negative thread line (222), the outer surfaces of the positive thread line (221) and the negative thread line (222) are respectively in threaded connection with the inner rings of the two helicoids (24), the upper parts of the two first sliding rods (25) close to one side each other are fixedly connected with telescopic rods (27), and the outer surface of each telescopic rod (27) is sleeved with a sleeve (28), one side surfaces of the two sleeves (28) close to each other are fixedly connected with clamping plates (29) matched with the measuring cups (4) respectively; elevating system (5) are including connecting rod (501), sliding ring (502), third slide bar (503), first screw rod (504), second bearing (505), threaded cylinder (506), worm wheel (507), worm (508), third bearing (509), second hand wheel (510), transmission case (511) and limiting plate (512), the middle part fixedly connected with transmission case (511) of support (6) upper surface, all fixed the inlaying has second bearing (505) on the interior roof of transmission case (511) and the interior diapire, threaded cylinder (506) have been placed to the inside of transmission case (511), the surface of threaded cylinder (506) top and bottom respectively with the inner circle fixed connection of two second bearings (505), first screw rod (504) with threaded cylinder (506) looks adaptation have been placed to the top of transmission case (511), the bottom of first screw rod (504) runs through second bearing (505) in proper order, The screw thread cylinder (506) and the support (6) extend to the lower portion of the support (6), the outer surface of the first screw (504) is in threaded connection with the inner ring of the screw thread cylinder (506), the upper surface of the transmission case (511) is fixedly connected with two symmetrical third sliding rods (503), the outer surface of each third sliding rod (503) is sleeved with a sliding ring (502) matched with the third sliding rod (503), the upper surface of the first screw (504) is fixedly connected with a connecting rod (501), the connecting rod (501) is located above the transmission case (511), one side surface, close to each other, of each sliding ring (502) is fixedly connected with the left side surface and the right side surface of the connecting rod (501), a worm wheel (507) is placed in the transmission case (511), the inner ring of the worm wheel (507) is fixedly connected with the middle portion of the outer surface of the screw thread cylinder (506), two symmetrical third bearings (509) are fixedly embedded in the middle portion of the inner side wall of the transmission case (511), a worm (508) matched with the worm wheel (507) is placed in the transmission box (511), the outer surfaces of the left end and the right end of the worm (508) penetrate through the two third bearings (509) respectively, the outer surface of the right end of the worm (508) extends to the outside of the transmission box (511), the outer surfaces of the left end and the right end of the worm (508) are fixedly connected with the inner rings of the two third bearings (509) respectively, a second hand wheel (510) is placed on the right side of the transmission box (511), and the middle of the left side surface of the second hand wheel (510) is fixedly connected with the right side surface of the worm (508); the bottom surface of the first screw rod (504) is fixedly connected with a clamping mechanism (7), the clamping mechanism (7) comprises a supporting plate (701), a universal groove (702), a universal ball (703), a spiral ring (704), a second screw rod (705), a third hand wheel (706), a movable clamping plate (707), a fixed clamping plate (708) and an anti-slip pad (709), the bottom surface of the first screw rod (504) is fixedly connected with the supporting plate (701), the right side of the front surface of the supporting plate (701) is fixedly connected with an L-shaped fixed clamping plate (708), the upper part of the right side surface of the fixed clamping plate (708) is fixedly embedded with the spiral ring (704), the left side of the front surface of the supporting plate (701) is fixedly hinged with the movable clamping plate (707) matched with the fixed clamping plate (708) through a pin, the upper part of the right side surface of the movable clamping plate (707) is provided with the universal groove (702), and the ball (703) matched with the universal groove (702) is clamped in the universal groove (702), a second screw (705) matched with the spiral ring (704) is placed on the right side of the fixed clamping plate (708), the left end of the second screw (705) penetrates through the spiral ring (704) and extends to the left side of the fixed clamping plate (708), the outer surface of the second screw (705) is in threaded connection with the inner ring of the spiral ring (704), the left side surface of the second screw (705) is fixedly connected with the outer surface of the universal ball (703), and one side surface, close to each other, of the movable clamping plate (707) and the fixed clamping plate (708) is fixedly connected with an anti-skid pad (709); through grooves (282) are formed in the inner top wall and the inner bottom wall of the sleeve (28), a second sliding rod (281) matched with the through grooves (282) is clamped in the through grooves (282), a spring (283) is placed in the sleeve (28), the left end of the spring (283) is fixedly connected with the right side face of the clamping plate (29), and the right end of the spring (283) is fixedly connected with the left side face of the telescopic rod (27); one side surface of each of the two clamping plates (29) close to each other is fixedly connected with a rubber pad (26), and the one side surface of each of the two rubber pads (26) close to each other is respectively contacted with the upper parts of the left side surface and the right side surface of the measuring cup (4); the upper surface of each third sliding rod (503) is fixedly connected with a cylindrical limiting plate (512), and the diameter value of the limiting plate (512) is larger than the horizontal length value of the third sliding rod (503); the transmission box (511) is positioned above the measuring cup (4), and the first screw (504) is positioned right above the measuring cup (4);
the detection method is characterized by comprising the following steps: s1, sampling the test agent by S-type or cross five-point sampling method; s2, mixing the sampled reagents; s3, placing the measuring cup (4) for testing into the groove (303), clockwise rotating the first hand wheel (21), clockwise rotating the first transmission shaft (22), driving the two spiral rings (24) to move towards one side face close to each other, driving the two telescopic rods (27) to press the two springs (283) to close to each other by the aid of the positive thread lines (221) and the negative thread lines (222) formed on the first transmission shaft (22), driving the two first sliding rods (25) to move towards one side face close to each other, driving the two telescopic rods (27) to press the two springs (283) to close to each other by the aid of the two first sliding rods (25), driving the two clamping plates (29) to close to each other to clamp the measuring cup (4), and stopping rotating the first hand wheel (21) when the measuring cup (4) cannot swing left and right; s4, pouring 50g of the filtered reagent into a measuring cup (4), pouring 250ml of distilled water into the measuring cup (4), stirring for 3 minutes by using a glass rod, standing for half an hour, and clarifying; s5, firstly, rotating the third hand wheel (706) anticlockwise, so that the second screw rod (705) moves rightwards under the action of the threads of the spiral ring (704), at the moment, the left end of the second screw rod (705) pulls the movable clamping plate (707) through the universal ball (703) to rotate clockwise around the pin, so that the two anti-skid pads (709) are separated, at the moment, the PH test paper is placed between the two anti-skid pads (709), and the third hand wheel (706) is rotated clockwise, so that the second screw rod (705) moves leftwards under the action of the threads of the spiral ring (704), at the moment, the left end of the second screw rod (705) pushes the movable clamping plate (707) through the universal ball (703) to rotate anticlockwise around the pin, so that the two anti-skid pads (709) approach each other to clamp the PH test paper, and when the PH test paper is firmly clamped, the third hand wheel (706) stops rotating; s6, the second hand wheel (510) is rotated clockwise, at the moment, the worm (508) is rotated clockwise, so that the worm wheel (507) meshed with the worm (508) drives the thread cylinder (506) to rotate clockwise, at the moment, the first screw rod (504) moves downwards under the thread action of the thread cylinder (506), thereby driving the clamping mechanism (7) and the PH test paper to move downwards to enter the measuring cup (4), when the bottom end of the PH test paper is crossed with the liquid in the measuring cup (4) by 1cm, the second hand wheel (510) is reversed, at the moment, the worm (508) rotates anticlockwise, so that the worm wheel (507) meshed with the worm (508) drives the thread cylinder (506) to rotate anticlockwise, at the moment, the first screw rod (504) moves upwards under the action of the thread cylinder (506), thereby driving the clamping mechanism (7) and the PH test paper to move upwards, and stopping rotating the second hand wheel (510) after the bottom end of the PH test paper leaves the measuring cup (4); s7, when the PH test paper leaves the liquid in the measuring cup (4) within 20-30 seconds, comparing the PH test paper with a color comparison card to obtain the pH value of the reagent; s8, when the test is finished, one hand is used for pinching the PH test paper, the other hand is used for shaking the third hand wheel (706) anticlockwise, the second screw rod (705) moves rightwards under the action of the threads of the spiral ring (704), at the moment, the left end of the second screw rod (705) pulls the movable clamping plate (707) through the universal ball (703) to enable the movable clamping plate to rotate clockwise around the pin, so that the two anti-skid pads (709) are separated, and at the moment, the PH test paper can be taken out.
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| CN109946416A (en) * | 2019-04-19 | 2019-06-28 | 四川省劲腾环保建材有限公司 | A kind of device for preparing extruding dregs porcelain granule and detecting content of organics in the process |
| CN111487397A (en) * | 2020-04-20 | 2020-08-04 | 南昌大学第二附属医院 | Urine sugar detection device for endocrinology department |
| CN112161975A (en) * | 2020-09-23 | 2021-01-01 | 安徽中晟分析检测科技有限公司 | Device for detecting residual medicine in agricultural products |
| CN113295877A (en) * | 2021-05-17 | 2021-08-24 | 安徽民泰生物医疗电子有限公司 | Full-automatic urine analyzer |
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Effective date of registration: 20231008 Address after: No. 18 Rongye Road, Nanbao Economic Development Zone, Tangshan City, Hebei Province, 063000 Patentee after: Tangshan Jinshuo Chemical Co.,Ltd. Address before: No.23 Hetian Road, Longgang District, Shenzhen City, Guangdong Province Patentee before: Zhuo Zhongchao |