CN108732258B - Water quality analysis online liquid chromatograph with buffer mechanism - Google Patents
Water quality analysis online liquid chromatograph with buffer mechanism Download PDFInfo
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- CN108732258B CN108732258B CN201711196322.8A CN201711196322A CN108732258B CN 108732258 B CN108732258 B CN 108732258B CN 201711196322 A CN201711196322 A CN 201711196322A CN 108732258 B CN108732258 B CN 108732258B
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- 239000007788 liquid Substances 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000004458 analytical method Methods 0.000 title claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 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
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a water quality analysis on-line liquid chromatograph with a buffer mechanism, which comprises a liquid chromatograph body, wherein a base is fixedly arranged at the bottom of the liquid chromatograph body, first mounting grooves are formed in four corners of the bottom of the base, support columns are slidably arranged in the first mounting grooves, the bottom ends of the support columns extend to the lower part of the first mounting grooves, a placing groove is formed in the top ends of the support columns, damping spring plates are fixedly welded on the inner wall of the bottom of the placing groove, the damping spring plates are in a Z-shaped structure, movable blocks are fixedly welded at the top of the damping spring plates, and first sliding blocks are respectively welded on two sides of each movable block. The invention has simple structure, high efficiency and practicability, the liquid chromatograph body has good effect of ground shock absorption and buffering, the influence of ground road conditions on the liquid chromatograph body can be well lightened, the service life of the liquid chromatograph body is prolonged, and the use requirements of people are met.
Description
Technical Field
The invention relates to the technical field of online liquid chromatographs for water quality analysis, in particular to an online liquid chromatograph with a buffer mechanism for water quality analysis.
Background
Liquid chromatography refers to the use of the difference in partition ratio of a mixture between two liquids that are liquid-solid or immiscible, the mixture is subjected to a first separation step, the identified instrument is then analyzed.
The liquid chromatograph is often used in the aspect of water conservancy, often is used for water quality analysis, and current online liquid chromatograph that is used for water quality analysis is in the removal in-process, receives ground road conditions influence great, and the components and parts of its inside are if receive the too big time damage of ground impact force, can influence the normal work of liquid chromatograph like this, and lead to liquid chromatograph's life also can greatly reduced.
Therefore, aiming at the aspects, the invention provides an online liquid chromatograph with a buffer mechanism for water quality analysis, which is a problem to be solved by a person skilled in the art.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a water quality analysis on-line liquid chromatograph with a buffer mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the water quality analysis on-line liquid chromatograph with the buffer mechanism comprises a liquid chromatograph body, wherein a base is fixedly arranged at the bottom of the liquid chromatograph body, first mounting grooves are formed in four corners of the bottom of the base, support columns are arranged in the first mounting grooves, second sliding blocks are welded on two sides of the top ends of the support columns, and the second sliding blocks are slidably arranged in the first mounting grooves; the bottom end of the support column extends to the lower part of the first mounting groove, a placing groove is formed in the top end of the support column, a damping elastic sheet is fixedly welded on the inner wall of the bottom of the placing groove, a movable block is fixedly welded on the top of the damping elastic sheet, first sliding blocks are welded on two sides of the movable block, and the movable block is in sliding connection with the inner wall of the placing groove through the first sliding blocks; the top of the movable block is fixedly welded with a movable column, a vertically downward push rod motor is fixedly arranged on the inner wall of the top of the first mounting groove, and the top end of the movable column extends to the outside of the placing groove and is fixedly connected with an output shaft of the push rod motor; the inner wall of the opening at the top of the placing groove is fixedly welded with a fixed ring, the movable column is in sliding connection with the inner wall of the fixed ring, a first buffer spring is arranged in the placing groove and sleeved on the movable column, the top end of the first buffer spring is fixedly welded with the bottom of the fixed ring, and the bottom end of the first buffer spring is fixedly welded with the top of the movable block; a first positioning pin hole is formed in the side wall of the bottom of the base, a blind hole is formed above the first positioning pin hole, a positioning pin placing box is welded on the side wall of the base above the blind hole, a limit switch is arranged on the top wall inside the blind hole, the limit switch is electrically connected with the four push rod motors, and the first positioning pin hole are inserted into the blind hole; the bottom of the support column is also provided with a groove, and a moving mechanism is arranged in the groove.
Further, the moving mechanism comprises a roller, a rotating shaft, bearing seats, a positioning block, a positioning pin II, a rotating rod, a gear, a second mounting groove, a fixed block, a buffer column, a buffer groove and a second buffer spring, wherein the second mounting groove is arranged at two sides of the groove, the bearing seats are arranged at the bottom ends of the second mounting groove, the rotating shaft is arranged between the two bearing seats, and the roller is arranged on the rotating shaft; a positioning block is welded above the bearing seat, and a buffer column is welded above the positioning block; a fixed block is welded on the top wall of the second mounting groove, a buffer groove is formed in the fixed block, the upper end of the buffer column stretches into the buffer groove, a second buffer spring is mounted in the buffer groove, the top end of the second buffer spring is welded on the top wall of the buffer groove, and the bottom end of the second buffer spring is welded on the top end of the buffer column; one side welding of buffering post has the rack, and the meshing has the gear on the rack, has fixedly cup jointed the dwang on the gear, and the one end that the dwang kept away from the gear extends to the outside of support column and fixedly connected with changes the hand, is equipped with the regulation locking bolt on the hand.
Further, a through hole is formed in the positioning block, and a second positioning pin is inserted into the through hole.
Further, a first sliding groove matched with the first sliding block is formed in the inner wall of the placing groove, and the first sliding block is in sliding connection with the first sliding groove.
Further, a through hole is formed in the second sliding block.
Furthermore, the damping elastic sheet is in a Z-shaped structure.
The beneficial effects of the invention are as follows: the invention has simple structure, high efficiency and practicability, has good effect of the liquid chromatograph body on ground damping and buffering, can well lighten the influence of ground road conditions on the liquid chromatograph body, can effectively ensure the normal operation of internal components, is beneficial to prolonging the service life of the liquid chromatograph body and meets the use requirements of people.
Drawings
FIG. 1 is a schematic diagram of a water quality analysis on-line liquid chromatograph descending state structure with a buffer mechanism according to the present invention;
FIG. 2 is a schematic view of a water quality analysis on-line liquid chromatograph with a buffer mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of an on-line liquid chromatograph with a buffer mechanism for water quality analysis according to the present invention;
FIG. 4 is a schematic view of a partial structure of an on-line liquid chromatograph with a buffer mechanism for water quality analysis according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4A;
FIG. 6 is an enlarged view of a portion of B in FIG. 4;
FIG. 7 is an enlarged view of a portion of C in FIG. 2;
FIG. 8 is a schematic view of a first positioning pin according to the present invention;
in the figure, 1, a liquid chromatograph body; 2. a base; 3. a first mounting groove; 4. a movable column; 5. a support column; 6. a moving mechanism; 7. a placement groove; 8. a first buffer spring; 9. a movable block; 10. a damping spring plate; 11. a first slider; 12. a second slider; 13. a fixing ring; 14. positioning pin I; 15. positioning pin holes I; 16. a blind hole; 17. a limit switch; 18. a push rod motor; 19. positioning pin placement box; 601. a roller; 602. a rotating shaft; 603. a bearing seat; 604. a positioning block; 605. a second positioning pin; 606. a rotating lever; 607. a gear; 608. a second mounting groove; 609. a fixed block; 610. a buffer column; 611. a buffer tank; 612. and a second buffer spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to the water quality analysis on-line liquid chromatograph with the buffer mechanism shown in fig. 1-4, the water quality analysis on-line liquid chromatograph comprises a liquid chromatograph body 1, a base 2 is fixedly arranged at the bottom of the liquid chromatograph body 1, first mounting grooves 3 are respectively formed in four corners of the bottom of the base 2, support columns 5 are arranged in the first mounting grooves 3, second sliding blocks 12 are welded on two sides of the top ends of the support columns 5, through holes are formed in the second sliding blocks 12, and the second sliding blocks 12 are slidably arranged in the first mounting grooves 3; the bottom end of the support column 5 extends to the lower part of the first mounting groove 3, the top end of the support column 5 is provided with a placing groove 7, a damping elastic sheet 10 is fixedly welded on the inner wall of the bottom of the placing groove 7, the damping elastic sheet 10 is of a Z-shaped structure, a movable block 9 is fixedly welded on the top of the damping elastic sheet 10, first sliding blocks 11 are welded on two sides of the movable block 9, and the movable block 9 is in sliding connection with the inner wall of the placing groove 7 through the first sliding blocks 11; the top of the movable block 9 is fixedly welded with a movable column 4, a vertically downward push rod motor 18 is fixedly arranged on the inner wall of the top of the first mounting groove 3, and the top end of the movable column 4 extends to the outside of the placing groove 7 and is fixedly connected with an output shaft of the push rod motor 18; a fixed ring 13 is fixedly welded on the inner wall of the opening at the top of the placing groove 7, the movable column 4 is in sliding connection with the inner wall of the fixed ring 13, a first buffer spring 8 is arranged in the placing groove 7, the first buffer spring 8 is sleeved on the movable column 4, the top end of the first buffer spring 8 is fixedly welded with the bottom of the fixed ring 13, and the bottom end of the first buffer spring 8 is fixedly welded with the top of the movable block 9; a first positioning pin hole 15 is formed in the side wall of the bottom of the base 2, a blind hole 16 is formed above the first positioning pin hole 15, a positioning pin placing box 19 is welded on the side wall of the base 2 above the blind hole 16, a limit switch 17 is arranged on the top wall inside the blind hole 16, the limit switch 17 is electrically connected with four push rod motors 18, and a first positioning pin 14 is inserted into the first positioning pin hole 15 and the blind hole 16; the bottom of the support column 5 is also provided with a groove, and a moving mechanism 6 is arranged in the groove.
According to the moving mechanism 6 shown in fig. 5, wherein the second mounting grooves 608 are arranged at both sides of the groove, the bottom ends of the second mounting grooves 608 are provided with bearing seats 603, a rotating shaft 602 is arranged between the two bearing seats 603, and the rotating shaft 602 is provided with rollers 601; a positioning block 604 is welded above the bearing seat 603, and a buffer column 610 is welded above the positioning block 604; a fixed block 609 is welded on the top wall of the second installation groove 608, a buffer groove 611 is formed on the fixed block 609, wherein the upper end of the buffer column 610 extends into the buffer groove 611, a second buffer spring 612 is installed in the buffer groove 611, the top end of the second buffer spring 612 is welded on the top wall of the buffer groove 611, and the bottom end of the second buffer spring 612 is welded on the top end of the buffer column 610; a rack is welded on one side of the buffer column 610, a gear 607 is meshed with the rack, a rotating rod 606 is fixedly sleeved on the gear 607, one end of the rotating rod 606, far away from the gear 607, extends to the outside of the support column 5 and is fixedly connected with a turning hand, and an adjusting locking bolt is arranged on the turning hand; the positioning block 604 is provided with a through hole, and a positioning pin II 605 is inserted into the through hole.
As shown in fig. 6, 7 and 8, the first pin 14 can be inserted into both the first pin hole 15 and the blind hole 16, when the first positioning pin 14 is inserted into the blind hole 16, the first positioning pin 14 touches the limit switch 17, so that the limit switch 17 simultaneously cuts off the power of the four push rod motors 18; when the first positioning pin 14 is pulled out of the blind hole 16, the limit switch 17 is automatically reset and simultaneously switches on the four push rod motors 18.
In order to better realize the invention, a first sliding groove matched with the first sliding block 11 is arranged on the inner wall of the placing groove 7, and the first sliding block 11 is in sliding connection with the first sliding groove.
In this embodiment, when the liquid chromatograph is in operation, since the instrument is low and needs to be lifted by the push rod motor 18, the push rod motor 18 transmits acting force to the support column 5 through the movable column 4, the movable block 9 and the damping spring sheet 10, the support column 5 applies force to the ground, and at this time, the push rod motor 18 stretches out the push rod to lift the liquid chromatograph; when the second slider 12 is slid to the bottommost end, the liquid chromatograph is raised to the highest point, at which time the first dowel 14 is taken out of the dowel placement box 19 and the first dowel 14 is inserted into the first dowel hole 15 and the blind hole 16, the first positioning pin 14 touches the limit switch 17 in the blind hole 16 to power off the push rod motor 18, so that the service life of the push rod motor 18 can be effectively protected; the first positioning pin 14 is inserted into the second sliding block 12 through the first positioning pin hole 15 to integrally fix the liquid chromatograph, so that the liquid chromatograph is prevented from descending during working; after the liquid chromatograph is fixed, pull out locating pin two 605, rotate dwang 606, thereby make gear 607 drive the rack and drive gyro wheel 601 and rise, when gyro wheel 601 shrink in the recess, adjust locking bolt fixed dwang 606, support column 5 contact ground this moment, increased area of contact has improved stability.
When the liquid chromatograph works, the locking bolt is adjusted to loosen the rotating rod 606, then the rotating rod 606 is rotated to enable the roller 601 to protrude out of the groove, and when the bearing seat 603 moves to the bottommost end, the positioning pin II 605 is inserted, and at the moment, the roller 601 can move on the ground; and then the first positioning pin 14 is pulled out, the limit switch 17 is automatically reset when pulled out, the four push rod motors 18 are simultaneously connected, and then the push rod motors 18 are controlled to retract to the original state, so that the liquid chromatograph can be moved at the moment.
When the liquid chromatograph moves, the impact force can be transmitted to the second buffer spring 612, the first buffer spring 8 and the damping elastic sheet 10, so that the impact force born by the liquid chromatograph body 1 can be reduced, the normal operation of internal components of the liquid chromatograph body 1 can be effectively protected, and the service life of the liquid chromatograph body 1 can be prolonged.
Claims (3)
1. The utility model provides a water quality analysis online liquid chromatograph with buffer gear, includes liquid chromatograph body (1), its characterized in that, base (2) are fixed mounting in the bottom of liquid chromatograph body (1), and first mounting groove (3) have all been seted up to the four corners position of base (2) bottom, installs support column (5) in first mounting groove (3), and the top both sides welding of support column (5) have second slider (12), and second slider (12) slidable mounting is in first mounting groove (3); the bottom end of the support column (5) extends to the lower part of the first mounting groove (3), a placing groove (7) is formed in the top end of the support column (5), a damping elastic sheet (10) is fixedly welded on the inner wall of the bottom of the placing groove (7), a movable block (9) is fixedly welded on the top of the damping elastic sheet (10), first sliding blocks (11) are welded on two sides of the movable block (9), and the movable block (9) is in sliding connection with the inner wall of the placing groove (7) through the first sliding blocks (11); the top of the movable block (9) is fixedly welded with a movable column (4), a vertically downward push rod motor (18) is fixedly arranged on the inner wall of the top of the first mounting groove (3), and the top end of the movable column (4) extends to the outside of the placing groove (7) and is fixedly connected with an output shaft of the push rod motor (18); a fixed ring (13) is fixedly welded on the inner wall of the opening at the top of the placing groove (7), the movable column (4) is in sliding connection with the inner wall of the fixed ring (13), a first buffer spring (8) is arranged in the placing groove (7), the first buffer spring (8) is sleeved on the movable column (4), the top end of the first buffer spring (8) is fixedly welded with the bottom of the fixed ring (13), and the bottom end of the first buffer spring (8) is fixedly welded with the top of the movable block (9); a first positioning pin hole (15) is formed in the side wall of the bottom of the base (2), a blind hole (16) is formed above the first positioning pin hole (15), a positioning pin placing box (19) is welded on the side wall of the base (2) above the blind hole (16), a limit switch (17) is arranged on the top wall inside the blind hole (16), the limit switch (17) is electrically connected with four push rod motors (18), and a first positioning pin (14) is inserted into the first positioning pin hole (15) and the blind hole (16); the bottom of the support column (5) is also provided with a groove, and a moving mechanism (6) is arranged in the groove;
the moving mechanism (6) comprises a roller (601), a rotating shaft (602), bearing blocks (603), positioning blocks (604), a second positioning pin (605), a rotating rod (606), a gear (607), a second mounting groove (608), a fixed block (609), a buffer column (610), a buffer groove (611) and a second buffer spring (612), wherein the second mounting groove (608) is arranged on two sides of the groove, the bottom end of the second mounting groove (608) is provided with the bearing blocks (603), the rotating shaft (602) is arranged between the two bearing blocks (603), and the roller (601) is arranged on the rotating shaft (602); a positioning block (604) is welded above the bearing seat (603), and a buffer column (610) is welded above the positioning block (604); a fixed block (609) is welded on the top wall of the second mounting groove (608), a buffer groove (611) is formed in the fixed block (609), the upper end of the buffer column (610) extends into the buffer groove (611), a second buffer spring (612) is arranged in the buffer groove (611), the top end of the second buffer spring (612) is welded on the top wall of the buffer groove (611), and the bottom end of the second buffer spring (612) is welded on the top end of the buffer column (610); one side of the buffer column (610) is welded with a rack, a gear (607) is meshed with the rack, a rotating rod (606) is fixedly sleeved on the gear (607), one end of the rotating rod (606) far away from the gear (607) extends to the outside of the supporting column (5) and is fixedly connected with a rotating hand, and an adjusting locking bolt is arranged on the rotating hand;
the positioning block (604) is provided with a through hole, a second positioning pin (605) is inserted into the through hole;
the inner wall of the placing groove (7) is provided with a first sliding groove matched with the first sliding block (11), and the first sliding block (11) is in sliding connection with the first sliding groove.
2. The online liquid chromatograph with buffer mechanism for water quality analysis according to claim 1, wherein: and a through hole is formed in the second sliding block (12).
3. The online liquid chromatograph with buffer mechanism for water quality analysis according to claim 1, wherein: the damping elastic sheet (10) is of a Z-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196322.8A CN108732258B (en) | 2017-11-25 | 2017-11-25 | Water quality analysis online liquid chromatograph with buffer mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711196322.8A CN108732258B (en) | 2017-11-25 | 2017-11-25 | Water quality analysis online liquid chromatograph with buffer mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108732258A CN108732258A (en) | 2018-11-02 |
| CN108732258B true CN108732258B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711196322.8A Active CN108732258B (en) | 2017-11-25 | 2017-11-25 | Water quality analysis online liquid chromatograph with buffer mechanism |
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| CN (1) | CN108732258B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112858500A (en) * | 2020-12-31 | 2021-05-28 | 南京北辰骄阳科学仪器有限公司 | Liquid chromatograph detects head |
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| CN207408360U (en) * | 2017-11-25 | 2018-05-25 | 河北华厚天成环保技术有限公司 | A kind of online liquid chromatograph of water analysis with buffer gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5961033B2 (en) * | 2012-04-27 | 2016-08-02 | 株式会社ショーワ | Shock absorber and hydraulic shock absorber |
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|---|---|---|---|---|
| CN201503424U (en) * | 2007-12-10 | 2010-06-09 | 江阴逆流科技有限公司 | Elastic shock-absorbing device applied to counter-current chromatography |
| CN201867399U (en) * | 2010-10-22 | 2011-06-15 | 北京艾美林科技有限公司 | Sound insulation and shock absorption device applied in countercurrent chromatography |
| CN103375455A (en) * | 2012-04-24 | 2013-10-30 | 东莞市欣悦模具有限公司 | Push rod mechanism |
| CN106395147A (en) * | 2016-08-31 | 2017-02-15 | 无锡优萌模塑制造有限公司 | Plastic wire coil containing box with shock absorption function |
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