CN212286131U - Cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline - Google Patents
Cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline Download PDFInfo
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- CN212286131U CN212286131U CN202020140641.8U CN202020140641U CN212286131U CN 212286131 U CN212286131 U CN 212286131U CN 202020140641 U CN202020140641 U CN 202020140641U CN 212286131 U CN212286131 U CN 212286131U
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- chromatographic column
- bottom plate
- chromatograph
- movable block
- cutting device
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Abstract
The utility model discloses a cutting device for analysis of benzene content chromatograph chromatographic column in petrol, including bottom plate, chromatographic column body, movable block and mounting bracket, the lower skin weld of bottom plate has the supporting seat, and the welding of upper surface one side of bottom plate has the install bin, and the welding of the upper surface opposite side of bottom plate has the fixed block, the outer wall of install bin rotates installs the cutting wheel, and the screw thread installs the dwang on the fixed block, and the one end of dwang rotates and installs on the movable block, movable block slidable mounting is at the upper surface of bottom plate, and the threaded rod is installed to the screw thread on the movable block, and the one end of threaded rod rotates installs the rolling stand, rotates on the. The utility model discloses, compact structure, it is convenient to use, when being convenient for when the fixed chromatography cylinder when the cutting, by a wide margin the side cut quantity of reduction cylinder tangent plane, convenient follow-up processing to the cylinder.
Description
Technical Field
The utility model relates to a chromatographic measurement technical field specifically is a benzene content chromatograph cutting device for chromatographic column in analysis petrol.
Background
A chromatograph is an apparatus for performing chromatographic separation analysis. Comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like. Modern chromatographs have the characteristics of high stability, sensitivity, versatility, high degree of automation and the like. There are gas chromatography, liquid chromatography, gel chromatography, and the like. These chromatographs are widely used for analyzing a certain content of a chemical product or a polymer material, and gel chromatography can also measure the molecular weight and distribution of the polymer material.
The existing analytical instrument of the fuel oil inspection station can not analyze the benzene content in the gasoline, all analytical samples are analyzed by the comprehensive quality inspection station, the workload of the comprehensive quality inspection station is increased, the existing chromatographic instrument can not analyze the benzene content in the gasoline, a waste Agilent 6890 instrument is utilized to re-cut an internal chromatographic column, flow parameters are re-adjusted, an internal standard method is used for calibrating the chromatographic instrument, a spectrogram is established, the retention time of chromatographic peaks of benzene and butanone is determined, and an analytical method of benzene in the gasoline is compiled, so that the analytical method can analyze samples of a gasoline hydrogenation device and an etherification device. After the instrument is modified, the analysis capability of the assay is improved, and meanwhile, a new chromatographic instrument does not need to be purchased through the internal modification of the chromatographic instrument.
And the chromatographic column is general for cylindricly, and at the in-process of cutting the chromatographic column, traditional cutting device is not convenient to fix the chromatographic column, and generally cuts for straight-up straight down, cuts a point of chromatographic column until cutting off its whole, and this will lead to the tangent plane to have a large amount of side cuts, uses very trouble.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a benzene content chromatograph cutting device for chromatographic column in analysis gasoline, it is compact structure to possess, it is convenient to use, be convenient for when the cutting fixed chromatogram cylinder, the side cut quantity of reduction cylinder tangent plane by a wide margin, make things convenient for the follow-up advantage to the processing of cylinder, solve and the chromatographic column is general for cylindricly, in-process cutting the chromatographic column, traditional cutting device is inconvenient fixes the chromatographic column, and generally cut for straight-up straight down, cut a point to the chromatographic column until cutting off its whole, this will lead to the tangent plane to have a large amount of side cuts, the troublesome problem of ten minutes is got up in the use.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an analysis benzene content chromatograph cutting device for chromatographic column in petrol, includes bottom plate, chromatographic column body, movable block and mounting bracket, the lower skin weld of bottom plate has the supporting seat, and the welding of upper surface one side of bottom plate has the install bin, and the welding of the upper surface opposite side of bottom plate has the fixed block, the outer wall of install bin rotates installs the cutting wheel, and threaded mounting has the dwang on the fixed block, and the one end of dwang rotates and installs on the movable block, movable block slidable mounting is on the upper surface of bottom plate, and equal threaded mounting has the threaded rod on movable block and the mounting bracket, and the one end of threaded rod rotates and installs the rotating turret, rotates.
Preferably, a motor is fixed in the installation box, and the output end of the motor is rotatably connected with the cutting wheel through a chain.
Preferably, the upper surface of the bottom plate is provided with a sliding groove, the lower surface of the moving block is welded with a sliding block, and the sliding block is slidably mounted in the sliding groove.
Preferably, the mounting bracket is fixed to the upper surface of the rear end of the base plate by bolts.
Preferably, the outer wall of the chromatographic column is in contact with the bottom plate, the cutting wheel and the roller respectively.
Preferably, the number of the supporting seats is four, and the four supporting seats are distributed on the lower surface of the bottom plate in a rectangular array.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cutting device for analysis of benzene content chromatograph chromatographic column in gasoline can be in service, the chromatographic column body is inserted between mounting bracket and movable block, then the rotating rod is rotated, the rotating rod drives the movable block to move in the chute through the slider, the chromatographic column is made to cling to the cutting wheel, at the same time, the threaded rod can be rotated, the threaded rod drives the rotating frame to move down, and further drives the roller to press on the surface of the chromatographic column body, the other end of the chromatographic column body is fixed on the mounting bracket through the same steps, at the same time, the motor can be controlled to work by switching on the external power supply, the motor drives the cutting wheel to rotate through the chain, thereby the cutting wheel cuts the chromatographic column, in the cutting process, the chromatographic column body can be manually rotated, when the chromatographic column body is cut, the roller is rotated, so that the cutting wheel can uniformly cut, compact structure, it is convenient to use, when being convenient for fixed chromatogram cylinder when the cutting, by a wide margin reduction cylinder tangent plane cut edge quantity, convenient follow-up processing to the cylinder.
Drawings
Fig. 1 is a schematic view of a partial structure of the present invention;
fig. 2 is a schematic view of a rear view of a partial structure of the present invention;
fig. 3 is a schematic top view of the present invention.
In the figure: 1. a base plate; 2. a chute; 3. a slider; 4. a rotating frame; 5. a chromatography column; 6. a cutting wheel; 7. a supporting seat; 8. installing a box; 9. a threaded rod; 10. a roller; 11. a moving block; 12. a fixed block; 13. Rotating the rod; 14. a mounting frame; 15. a chain; 16. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides an analysis benzene content in gasoline cutting device for chromatograph chromatographic column, includes bottom plate 1, chromatographic column 5, movable block 11 and mounting bracket 14, and the lower surface welding of bottom plate 1 has supporting seat 7, and supporting seat 7 totally four, and four supporting seats 7 are rectangular array and distribute at the lower surface of bottom plate 1.
The welding of the upper surface one side of bottom plate 1 has install bin 8, the welding of the upper surface opposite side of bottom plate 1 has fixed block 12, cutting wheel 6 is installed in the outer wall rotation of install bin 8, and threaded installation has dwang 13 on fixed block 12, and the one end of dwang 13 rotates and installs on movable block 11, movable block 11 slidable mounting is at the upper surface of bottom plate 1, spout 2 has been seted up to the upper surface of bottom plate 1, and the lower surface welding of movable block 11 has slider 3, slider 3 slidable mounting is in spout 2, can peg graft between mounting bracket 14 and movable block 11 with chromatographic column 5 earlier, then rotate dwang 13, make dwang 13 drive movable block 11 move in spout 2 through slider 3, make the chromatographic column hug closely cutting wheel 6.
Threaded rod 9 is installed to equal screw thread on movable block 11 and the mounting bracket 14, the one end of threaded rod 9 is rotated and is installed turret 4, it installs running roller 10 to rotate on the turret 4, rotatable threaded rod 9, make threaded rod 9 drive turret 4 move down, and then drive running roller 10 oppression on the surface of chromatographic column body 5, mounting bracket 14 passes through the bolt fastening at the rear end upper surface of bottom plate 1, fix chromatographic column body 5's the other end on mounting bracket 14 through the same step, chromatographic column body 5's outer wall respectively with bottom plate 1, cutting wheel 6 and running roller 10 contact each other.
The motor 16 is 5RK40GN-CF in model number, and has the advantages of low noise, high efficiency, long service life and the like.
Install bin 8 internal fixation has motor 16, rotate through chain 15 between motor 16's the output and the cutting wheel 6 and be connected, accessible switch-on external power supply control motor 16 work, motor 16 passes through chain 15 and drives cutting wheel 6 and rotate, thereby make cutting wheel 6 cut the chromatographic column, at the in-process of cutting, can manually rotate chromatographic column body 5, make chromatographic column body 5 when receiving the cutting, rotate through running roller 10, make cutting wheel 6 carry out even cutting to the round surface of chromatographic column, moreover, the steam generator is compact in structure, it is convenient to use, when being convenient for fix chromatographic column body 5 when the cutting, by a wide margin the side cut quantity of reduction cylinder tangent plane, make things convenient for follow-up processing to the cylinder.
The working principle is as follows: the utility model discloses a cutting device for analysis of benzene content chromatograph chromatographic column in petrol can be in service, can peg graft between mounting bracket 14 and movable block 11 chromatographic column body 5 earlier, then rotate dwang 13, make dwang 13 drive movable block 11 move in spout 2 through slider 3, make the chromatographic column hug closely cutting wheel 6, at this moment, rotatable threaded rod 9, make threaded rod 9 drive rotating turret 4 move down, and then drive running roller 10 and oppress on the surface of chromatographic column body 5, through the same step with the other end of chromatographic column body 5 fixed on mounting bracket 14, at this moment, can control motor 16 work by switching on external power supply, motor 16 drives cutting wheel 6 through chain 15 and rotates, thereby make cutting wheel 6 cut the chromatographic column, in the course of cutting, can manually rotate chromatographic column body 5, make chromatographic column body 5 when receiving the cutting, the roller 10 is rotated, so that the cutting wheel 6 can cut the outer surface of the chromatographic column uniformly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a cutting device for benzene content chromatograph chromatographic column in analysis petrol, includes bottom plate (1), chromatographic column body (5), movable block (11) and mounting bracket (14), its characterized in that: the lower skin weld of bottom plate (1) has supporting seat (7), and the welding of upper surface one side of bottom plate (1) has install bin (8), and the welding of the upper surface opposite side of bottom plate (1) has fixed block (12), the outer wall of install bin (8) is rotated and is installed cutting wheel (6), and threaded mounting has dwang (13) on fixed block (12), and the one end of dwang (13) is rotated and is installed on movable block (11), movable block (11) slidable mounting is at the upper surface of bottom plate (1), threaded rod (9) are installed to equal screw thread on movable block (11) and mounting bracket (14), and the one end of threaded rod (9) is rotated and is installed rotating turret (4), and rotating turret (4) are gone up to rotate and are installed running roller (10.
2. The cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline according to claim 1, characterized in that: a motor (16) is fixed in the mounting box (8), and the output end of the motor (16) is rotatably connected with the cutting wheel (6) through a chain (15).
3. The cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline according to claim 1, characterized in that: the upper surface of the bottom plate (1) is provided with a sliding groove (2), the lower surface of the moving block (11) is welded with a sliding block (3), and the sliding block (3) is slidably mounted in the sliding groove (2).
4. The cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline according to claim 1, characterized in that: the mounting frame (14) is fixed on the upper surface of the rear end of the bottom plate (1) through bolts.
5. The cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline according to claim 1, characterized in that: the outer wall of the chromatographic column body (5) is respectively contacted with the bottom plate (1), the cutting wheel (6) and the roller (10).
6. The cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline according to claim 1, characterized in that: the number of the supporting seats (7) is four, and the four supporting seats (7) are distributed on the lower surface of the bottom plate (1) in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140641.8U CN212286131U (en) | 2020-01-22 | 2020-01-22 | Cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140641.8U CN212286131U (en) | 2020-01-22 | 2020-01-22 | Cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212286131U true CN212286131U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140641.8U Expired - Fee Related CN212286131U (en) | 2020-01-22 | 2020-01-22 | Cutting device for chromatographic column of chromatograph for analyzing benzene content in gasoline |
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| CN (1) | CN212286131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252816A (en) * | 2021-06-17 | 2021-08-13 | 广州国标检验检测有限公司 | Intelligent detection method for trichloromethyl carbonate residue in clindamycin hydrochloride |
-
2020
- 2020-01-22 CN CN202020140641.8U patent/CN212286131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252816A (en) * | 2021-06-17 | 2021-08-13 | 广州国标检验检测有限公司 | Intelligent detection method for trichloromethyl carbonate residue in clindamycin hydrochloride |
| CN113252816B (en) * | 2021-06-17 | 2021-11-02 | 广州国标检验检测有限公司 | Intelligent detection method for trichloromethyl carbonate residue in clindamycin hydrochloride |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 Termination date: 20220122 |