CN111043119A - Multipole rod support device for single cylindrical surface positioning, multipole rod device and multipole rod installation method - Google Patents
Multipole rod support device for single cylindrical surface positioning, multipole rod device and multipole rod installation method Download PDFInfo
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- CN111043119A CN111043119A CN201911232166.5A CN201911232166A CN111043119A CN 111043119 A CN111043119 A CN 111043119A CN 201911232166 A CN201911232166 A CN 201911232166A CN 111043119 A CN111043119 A CN 111043119A
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- 230000005405 multipole Effects 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 title claims description 15
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/185—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with a node element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0038—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/26—Mass spectrometers or separator tubes
- H01J49/34—Dynamic spectrometers
- H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
- H01J49/4205—Device types
- H01J49/422—Two-dimensional RF ion traps
- H01J49/4225—Multipole linear ion traps, e.g. quadrupoles, hexapoles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention provides a multipole rod support device positioned by a single cylindrical surface, a multipole rod device comprising the multipole rod support device and a multipole rod mounting method adopting the multipole rod support device, aiming at the defects in the prior art, the multipole rod mounting device realizes the technical effects of small processing difficulty, stable assembly and easy control of processing precision of the multipole rod support device by arranging the inner wall surface of a support, namely a positioning surface, as the single cylindrical surface, uniformly arranging step screw hole positions on the circumference of the outer wall surface, fixing the multipole rod by step screws and the like.
Description
Technical Field
The present invention relates to a multipole rod support device, a multipole rod device and a multipole rod installation method using the same, and more particularly, to a multipole rod support device with a single cylindrical surface for positioning, a multipole rod device and a multipole rod installation method using the same.
Background
The quadrupole rods and the hexapole rods, octapole rods, etc. developed from the quadrupole rods are collectively called multistage rods. The multipole is a core component of an ion transmission system and a mass analyzer of a mass spectrometer.
The common multipole rod device in the prior art is composed of a fixing screw made of a metal material, a multipole rod support made of two hard insulating materials and a plurality of metal round rods, wherein the multipole rod support is internally provided with a plurality of arc surfaces with the same size as the round rods, so that the position of the multipole rod can be accurately positioned. In the prior art, the multipole rod support has a relatively complex structure, extremely high requirement on form and position errors and high processing difficulty, and in addition, some special-shaped fixed structures are arranged, such as a rectangular inner contour positioning surface, and the like, so that the processing difficulty is higher although the installation difficulty is low; there are also some semi-fixed schemes, adopt artifical adjustment after the installation, though the processing degree of difficulty is little, the assembly degree of difficulty is very big, and is difficult to guarantee the stability of long-term installation use.
The multipole rod is one of the core components of a mass spectrometer ion transmission system, has higher requirements on processing and assembly, can greatly influence the performance of the mass spectrometer due to the processing and assembly precision, and has great influence on the long-term installation and use stability of the mass spectrometer due to the assembly difficulty and the convenient degree. Therefore, the multipole rod support device and the installation method which have the advantages of small processing difficulty, simple and stable assembly and high precision are of great significance for improving the use stability of the mass spectrometer.
Disclosure of Invention
The invention provides a multipole rod support device positioned by a single cylindrical surface, a multipole rod device comprising the multipole rod support device and a multipole rod mounting method adopting the multipole rod mounting device aiming at the defects in the prior art, wherein the technical effects of small processing difficulty, stable assembly and easy control of processing precision of the multipole rod support device are realized by adopting the technical means of arranging the inner wall surface of the support, namely a positioning surface, as the single cylindrical surface, uniformly arranging step screw hole sites on the circumference of the outer wall surface, fixing the multipole rod by step screws and the like.
The invention is realized by the following technical means:
a multipole rod support device with a single cylindrical surface for positioning comprises a support, wherein the support is annular, the inner wall of the support is a single cylindrical surface, the outer wall of the support is a cylindrical surface sharing a central axis with the inner wall, and the cylindrical surface is obtained by averagely cutting for even number of times which is more than or equal to 4 around the circumference in a direction parallel to the central axis; the distance between the cutting surface (11) of the outer wall (4) and the central axis is less than r and greater than rcos (pi/n), wherein r is the distance between the outer wall (4) and the central axis, and n is the number of multipole rods; step screw hole positions are arranged on each cutting surface of the outer wall (4). Due to the cutting, the cut surface is a plane surface, and the uncut portion is still a cylindrical surface. The step screw hole sites are arranged on the cutting surface, are uniformly distributed on a circumference which takes the center of the central axis of the bracket as the circle center and the distance between the cutting surface and the circle center as the radius, are rotationally symmetrical, have a rotation angle of 360 degrees/n, are axially symmetrical and have n symmetrical axes, the direction of mounting screws is vertical to the cutting surface inwards and is symmetrically distributed, and the holes are outward and penetrate through the bracket.
Furthermore, step screws (8) matched with the step screw hole sites (3) are installed on the step screw hole sites (3), the tops of the step screws (8) do not exceed the range of the outline cylindrical surface of the outer wall (4) when the step screws (8) are completely screwed into the step screw hole sites (3), and the outline cylindrical surface is the cylindrical surface of the outer wall (4) when the outer wall is not cut. .
Furthermore, a positioning pin hole (6) is formed in the arc surface between the adjacent cutting surfaces on the outer wall (4) of the support (1). The surface of the positioning pin hole is the cylindrical surface which is not cut. The positioning pin hole is used for positioning and connecting with the multi-pole metal shielding cover.
Furthermore, the step screw (8) is made of hard metal materials, is provided with two-stage positioning steps for positioning and ensuring the mounting verticality, and is provided with a straight/cross/hexagonal groove at the top for fastening.
Further, the bracket (1) is made of an insulating material.
Further, the insulating material is hard engineering plastic, quartz or ceramic.
Further, the step screw (8) is made of hard metal materials.
Furthermore, 4-8 cutting surfaces are arranged on the outer wall (4), and 4-8 corresponding mounting step screw hole positions (3) are arranged. The outer wall is a cylindrical surface sharing a central axis with the inner wall, and the cutting is carried out on the outer wall by an even number of times which is more than or equal to 4 on average in the direction parallel to the central axis and around the circumference, wherein the even number of times of the average cutting is 4-8 times, namely 4 times, 6 times and 8 times, which are optimal schemes, step screw hole positions are arranged on each cutting surface, so that the corresponding step screw hole positions are 4-8, namely 4, 6 and 8, which are optimal schemes.
The multi-stage rod device comprises a plurality of round rods (9) with the same number as that of the step screw hole positions (3), wherein the round rods (9) are arranged at the upper and lower parts of the round rods (9), the round rods (9) are provided with rod holes (10) corresponding to the step screws, the two ends of the round rods are respectively fixed on the two supports (1) through the step screws (8) screwed into the rod holes (10), the round rods (9) are parallel and parallel to each other, are tangent to the cylindrical surfaces of the inner walls (2) of the supports, are uniformly and circumferentially distributed around the central axis of the supports (1), and keep a specific distance with the central axis of the supports (1). The specific distance is determined according to specific applicable places and conditions.
A multipole rod installation method adopting the multipole rod support device positioned by the single cylindrical surface comprises the following steps:
(1) the rod body of the multipole rod penetrates through the two supports, the step screws penetrate through corresponding step screw hole positions on the rod body, the step screws are tightened until the rod body is closely tangent to the supports and tangent to the cylindrical positioning surfaces on the inner walls of the supports, and the surface of the rod body is away from the center of the supports and is not contacted with the center of the supports;
(2) and (4) repeating the step (1) to install other rod bodies of the multipole rod to finish installation.
The technical scheme provided by the invention realizes the following technical effects:
(1) the single cylindrical positioning surface is adopted to replace a plurality of cylindrical positioning surfaces in the prior art, and the mounting verticality and parallelism of the multi-pole rod body are ensured by jointly positioning the step screws and the cylindrical surfaces, so that the processing difficulty of the multi-pole rod support and the assembly difficulty of a multi-pole rod system can be reduced, the yield and the assembly power are effectively improved, and the processing cost and the assembly cost are reduced.
(2) Adopt the fixed bolster, need control the cylindricity of inner wall, radius to and step screw punch position, size, the straightness that hangs down, compare in traditional design, the quantity of the machining parameter that has significantly reduced required control. In addition, in the design, the number of the most critical part machining errors is reduced, the machining error control difficulty is reduced, the precision control of the key parameters of the multi-pole rod device is improved in principle, the machining difficulty is reduced, and therefore the machining cost is reduced while the machining qualified rate of the support is improved.
(3) The device is installed closely, does not need manual regulation assembly precision, has better stability. The installation method is very simple, the technical difficulty and uncertainty of manual adjustment are avoided, the labor cost of assembly is greatly saved, and the qualification rate of assembly is improved.
Drawings
FIG. 1 is a top sectional view of a 4-facet cutting support structure;
FIG. 2 is a top sectional view of a 6 cutting face holder configuration;
FIG. 3 is a top sectional view of a holder construction with 8 cutting faces;
FIG. 4 is a schematic view of a stepped screw structure;
FIG. 5 is a top cross-sectional view of the mounted bracket and multipole rod arrangement;
wherein: 1-bracket, 2-bracket inner wall, 3-step screw hole position, 4-outer wall 1, 5-outer wall 2, 6-positioning pin hole, 7-top open slot, 8-step screw, 9-round rod, 10-rod hole and 11-cutting surface.
Detailed Description
The present invention provides a multipole rod support device with a single cylindrical surface and a method for mounting a multipole rod by using the device. It should be noted that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and description only, and are not intended to limit the scope of the invention.
Example 1
As shown in the attached drawings, the multipole rod support device positioned by the single cylindrical surface comprises two same supports, wherein the supports are annular, the inner wall of each support is a single cylindrical surface, the outer wall of each support is a cylindrical surface sharing a central axis with the inner wall, and the cylindrical surface is obtained by cutting 4 times around the circumference in the direction parallel to the central axis; the distance between the cutting surface (11) of the outer wall (4) and the central axis is less than r and greater than rcos (pi/n), wherein r is the distance between the outer wall (4) and the central axis, and n is the number of multipole rods; step screw hole positions are arranged on each cutting surface of the outer wall (4). Due to the cutting, the cut surface is a plane surface, and the uncut portion is still a cylindrical surface. The step screw hole sites are arranged on the cutting surface, are uniformly distributed on a circumference which takes the center of the central axis of the bracket as the circle center and the distance between the cutting surface and the circle center as the radius, are rotationally symmetrical, have a rotation angle of 360 degrees/n, are axially symmetrical and have n symmetrical axes, the direction of mounting screws is vertical to the cutting surface inwards and are symmetrically distributed, and the holes face outwards and penetrate through the bracket.
Step screws (8) matched with the step screw hole sites (3) are installed on the step screw hole sites (3), and the tops of the step screws (8) do not exceed the outer contour cylindrical surface range of the outer wall (4) when being completely screwed into the step screw hole sites (3), and are flush with the plane where the step screw hole sites (3) are located in the embodiment.
And positioning pin holes (6) are formed in the arc surface between the adjacent cutting surfaces on the outer wall (4) of the bracket (1). The surface of the positioning pin hole is the cylindrical surface which is not cut.
The positioning pin hole is used for positioning and connecting with the multi-pole metal shielding cover: the positioning pin hole has the same size with the positioning pin hole on the shielding case, and the matching mode with the positioning pin is as follows: a base hole fit with a minimum clearance equal to zero. The multipole rod is connected with the bracket through a threaded hole and a step screw and is parallel to the central axis of the bracket; the positioning pin hole is vertical to the central axis of the bracket; the main part of the shielding cover is a straight tubular body with coaxial inner and outer cylindrical surfaces, the size of the inner cylindrical surface of the straight tubular body is consistent with that of the cylindrical surface of the outer wall 4 of the bracket, a positioning pin hole vertical to the axial direction is formed in the straight tubular body of the shielding cover, and the matching mode is as follows: a base hole fit with a minimum clearance equal to zero.
Because the multipole rod needs to be installed at a specific position in space, the relative position of the multipole rod and the shielding case needs to be comprehensively determined by the positioning pin hole position of the shielding case, the screw hole position of the multipole rod and the positioning pin hole position of the multipole rod bracket. After the relative position of the shielding cover and the vacuum cavity is determined, the spatial position of the multipole rod is also determined. Generally, the vacuum chamber is made of metal, and is connected to the ground to ensure that the potential is 0, and the inner surface of the vacuum chamber has a flat surface and is connected to the shield. The main body profile of the shielding case is usually a hollow right cylinder, wherein the hollow part is a right cylinder and is concentric and coaxial with the main body profile, and the radius of the hollow part is smaller than that of the main body profile and is equal to the radius of the cylindrical surface of the outer profile of the bracket. The shielding cover is connected with the plane of the vacuum cavity through the end surface of the right cylinder, and the end surface is superposed with the plane, so that the cylindrical axis direction of the main body of the shielding cover is always vertical to the plane of the cavity. When the support is installed, the shielding cover hollow core is placed, the inner contour surface of the shielding cover is partially overlapped with the cylindrical surface in the outer contour surface of the support, and the positioning pin holes formed in the shielding cover in advance are overlapped with the positioning pin holes in the support to realize positioning.
As shown in figure 4, the step screw (8) is made of hard metal materials, two-stage positioning steps are arranged for positioning and ensuring the mounting verticality, and a straight/cross/hexagonal groove is formed in the top for fastening.
The bracket (1) is made of insulating material hard engineering plastics.
The step screw (8) is made of hard metal materials.
Furthermore, the number of the cutting surfaces on the outer wall (4) is 4, and the number of the corresponding mounting step screw hole positions (3) is 4. Namely, the outer wall is a cylindrical surface sharing a central axis with the inner wall, the cylindrical surface is obtained by cutting 4 times around the circumference in the direction parallel to the central axis, and each cutting surface is provided with a step screw hole site, so that the number of the corresponding step screw hole sites is 4.
Example 2
As shown in fig. 5, the present embodiment relates to a multi-stage rod supporter apparatus using the single cylindrical surface positioning of the multi-stage rod supporter apparatus of embodiment 1. This embodiment still include many on embodiment 1's technical scheme's basis with step screw hole site (3) the same round bar (9) of quantity, round bar (9) about the position all install with the corresponding pole hole (10) of step screw, screw in through step screw (8) pole hole (10) fix the round bar both ends respectively on two supports (1), round bar (9) parallel and level each other is tangent with support inner wall (2) face of cylinder, encircles the even circumference distribution of support (1) axis, and keeps specific distance with support (1) axis.
Example 3
The embodiment relates to a multipole rod mounting method of a multipole rod support device positioned by a single cylindrical surface in embodiment 1, which comprises the following steps:
(1) the rod body of the multipole rod penetrates through the two supports, the step screws penetrate through corresponding step screw hole positions on the rod body, the step screws are tightened until the rod body is closely tangent to the supports and tangent to the cylindrical positioning surfaces on the inner walls of the supports, and the surface of the rod body is away from the center of the supports and is not contacted with the center of the supports;
(2) and (4) repeating the step (1) to install other rod bodies of the multipole rod to finish installation.
Example 4
The present embodiment is different from embodiment 1 in that: as shown in fig. 2, the outer wall is a cylindrical surface sharing a central axis with the inner wall, and the cylindrical surface is obtained by cutting 6 times around the circumference in the direction parallel to the central axis; the distance between the cutting surface (11) of the outer wall (4) and the central axis is less than r and greater than rcos (pi/n), wherein r is the distance between the outer wall (4) and the central axis, and n is the number of multipole rods; step screw hole positions are arranged on each cutting surface of the outer wall (4), so that the number of the corresponding step screw hole positions is 6.
Example 5
The present embodiment is different from embodiment 1 in that: as shown in fig. 3, the outer wall is a cylindrical surface sharing a central axis with the inner wall, and the cylindrical surface is obtained by cutting 8 times around the circumference in a direction parallel to the central axis; the distance between the cutting surface (11) of the outer wall (4) and the central axis is less than r and greater than rcos (pi/n), wherein r is the distance between the outer wall (4) and the central axis, and n is the number of multipole rods; (ii) a Step screw hole positions are arranged on each cutting surface of the outer wall (4), so that the number of the corresponding step screw hole positions is 8.
The invention reduces the processing difficulty of the multipole rod bracket and the assembly difficulty of the multipole rod system, thereby effectively improving the yield and the assembly power and reducing the processing cost and the assembly cost. The device is installed closely, does not need manual regulation assembly precision, has better stability. The installation method is very simple, the technical difficulty and uncertainty of manual adjustment are avoided, the labor cost of assembly is greatly saved, and the qualification rate of assembly is improved.
Claims (10)
1. The utility model provides a multipole rod support device of single face of cylinder location which characterized in that: the device comprises a support (1), wherein the support (1) is annular, an inner wall (2) is a single cylindrical surface, an outer wall (4) is a cylindrical surface sharing a central axis with the inner wall (2), and the cylindrical surface is obtained by averagely cutting for even number of times which is more than or equal to 4 around the circumference in a direction parallel to the central axis; the distance between the cutting surface (11) of the outer wall (4) and the central axis is less than r and greater than rcos (pi/n), wherein r is the distance between the outer wall (4) and the central axis, and n is the number of multipole rods; step screw hole sites (3) are arranged on each cutting surface (11) of the outer wall (4); the number of the brackets (1) is two.
2. A single cylindrical surface positioned multipole support device according to claim 1, in which: step screws (8) matched with the step screw hole sites (3) are installed on the step screw hole sites (3), and the tops of the step screws (8) do not exceed the outer contour cylindrical surface range of the outer wall (4) when the step screws (8) are completely screwed into the step screw hole sites (3).
3. A single cylindrical surface positioned multipole support device according to claim 1 or 2, in which: and positioning pin holes (6) are formed in the arc surface between the adjacent cutting surfaces on the outer wall (4) of the bracket (1).
4. A single cylindrical surface positioned multipole support device according to claim 3, in which: the step screw (8) is provided with two-stage positioning steps, and the top of the step screw is provided with a straight or cross or hexagonal groove.
5. A single cylindrical surface positioned multipole support device according to claim 1, in which: the bracket (1) is made of insulating materials.
6. A single cylindrical surface positioned multipole support device according to claim 5, in which: the insulating material is hard engineering plastic, quartz or ceramic.
7. The monopolar cylindrical surface positioned multipole support device of claim 4, wherein: the step screw (8) is made of hard metal materials.
8. A single cylindrical surface positioned multipole support device according to claim 1, in which: the number of the cutting surfaces on the outer wall (4) is 4-8, and the number of the corresponding step screw hole positions (3) is 4-8.
9. A multipole rod assembly comprising a single cylindrically oriented multi-stage rod cradle assembly according to claim 1, wherein: the novel support is characterized by further comprising a plurality of round rods (9) with the same number of the step screw hole sites (3), wherein the round rods (9) are provided with rod holes (10) corresponding to the step screws, the round rods (9) are screwed in through the step screws (8), the two ends of each round rod are fixed on the two supports (1) respectively through the rod holes (10), the round rods (9) are parallel and level to each other, tangent to the cylindrical surface of the inner wall (2) of each support, surround the uniform circumferential distribution of the axis of each support (1), and keep a certain distance from the axis of each support (1).
10. A multipole mounting method using a monopolar and cylindrical positioning multipole support device according to any of claims 1 to 5, comprising the steps of:
(1) the rod body of the multipole rod penetrates through the two supports, the step screws penetrate through corresponding step screw hole positions on the rod body, the step screws are tightened until the rod body is closely tangent to the supports and tangent to the cylindrical positioning surfaces on the inner walls of the supports, and the surface of the rod body is away from the center of the supports and is not contacted with the center of the supports;
(2) and (4) repeating the step (1) to install other rod bodies of the multipole rod to finish installation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232166.5A CN111043119A (en) | 2019-12-05 | 2019-12-05 | Multipole rod support device for single cylindrical surface positioning, multipole rod device and multipole rod installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232166.5A CN111043119A (en) | 2019-12-05 | 2019-12-05 | Multipole rod support device for single cylindrical surface positioning, multipole rod device and multipole rod installation method |
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| CN111043119A true CN111043119A (en) | 2020-04-21 |
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| CN201911232166.5A Pending CN111043119A (en) | 2019-12-05 | 2019-12-05 | Multipole rod support device for single cylindrical surface positioning, multipole rod device and multipole rod installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362032A (en) * | 2020-09-14 | 2021-02-12 | 成都飞机工业（集团）有限责任公司 | Part axis extraction method based on photogrammetry technology |
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2019
- 2019-12-05 CN CN201911232166.5A patent/CN111043119A/en active Pending
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| US4700069A (en) * | 1984-06-01 | 1987-10-13 | Anelva Corporation | Mass spectrometer of a quadrupole electrode type comprising a divided electrode |
| US5384461A (en) * | 1991-05-10 | 1995-01-24 | Fisons Plc | Process for the manufacture of a multipolar elongate-electrode lens or mass filter |
| CN2916922Y (en) * | 2006-06-29 | 2007-06-27 | 合肥皖仪科技有限公司 | Quadrupole structure of quadrupole spectrometer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362032A (en) * | 2020-09-14 | 2021-02-12 | 成都飞机工业（集团）有限责任公司 | Part axis extraction method based on photogrammetry technology |
| CN112362032B (en) * | 2020-09-14 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Part axis extraction method based on photogrammetry technology |
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Application publication date: 20200421 |
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