CN109341460B - Method and device for measuring axial floating size of flame tube - Google Patents
Method and device for measuring axial floating size of flame tube Download PDFInfo
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- CN109341460B CN109341460B CN201811385168.3A CN201811385168A CN109341460B CN 109341460 B CN109341460 B CN 109341460B CN 201811385168 A CN201811385168 A CN 201811385168A CN 109341460 B CN109341460 B CN 109341460B
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- flame tube
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- size
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- steel ball
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a method and a device for measuring the axial floating size of a flame tube, wherein a bottom plate (1) is fixed on a threaded hole of a support by a positioning bolt (5) and is fixedly attached to the support of the flame tube during measurement; then a positioning shaft (4) with a steel ball (3) is arranged on the flame tube vortex device and is fixed by a nut (6); and finally, a measuring rod (9) is inserted into the depth gauge body (8) to measure the space size of the part, when the measuring rod (9) is inserted, the positioning shaft (4) with the steel ball (3) and the floating swirler are connected and fixed on a rated position through the measuring rod (9) and the steel ball (3), and the size is directly read on the measuring rod (9) and is the space size corresponding to the floating size. The invention saves the time of measuring the space size by three coordinates, reduces the labor intensity of workers, improves the production efficiency of parts, reduces the production cost of the parts and improves the benefit of enterprises.
Description
Technical Field
The invention belongs to the technical field of machining, and relates to a device and a method for measuring the floating size of a flame tube vortex device.
Background
The flame tube is an annular assembly of the main combustion chamber, and is assembled with the diffuser assembly, the combustion chamber casing, the nozzle and the fuel oil main pipe to form the main combustion chamber. As shown in FIG. 1, the flame tube is formed by welding parts such as a fairing 11 with a support, a flame tube outer ring, a flame tube inner ring, a mounting ring 14 and the like. The swirler is installed on the installation ring 14, the fairing 11 with the support is formed by welding a plurality of supports and the fairing 11 through argon arc welding, the size from the rated position of the swirler to the end face of the support is H, the swirler is a floating part and cannot be accurately measured, the size is the key size of main combustion chamber assembly, if deviation occurs in size processing or measurement, the assembly of the flame tube and the fuel nozzle is influenced, a gap exists on the surface, and the correct installation of the nozzle and the combustion chamber casing cannot be realized.
At present, the dimension checking method is to adopt a three-coordinate measuring method to indirectly measure the dimension of a part on the fixed surface of the mounting ring 14 of the swirler, and a calculated value of the dimension is obtained through calculation, so that the labor intensity of workers is high, the production efficiency is low, and whether the dimension is accurate cannot be accurately evaluated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the device for measuring the axial floating size of the flame tube are provided, so that the measuring time of parts is saved when the space size is measured, the labor intensity of workers is reduced, the production efficiency of parts is improved, the production cost of the parts is reduced, and the benefit of enterprises is improved.
The technical scheme of the invention is as follows:
a flame tube axial floating size measuring device comprises a bottom plate, a positioning shaft, a positioning bolt, a depth gauge body and a measuring rod;
the bottom plate is provided with a plurality of size measuring holes penetrating through the upper end surface and the lower end surface of the bottom plate, and the bottom plate is detachably connected with the flame tube;
one end of the positioning shaft is connected with a steel ball, the positioning shaft is detachably connected with a swirler of the flame tube, and the swirler is detachably connected to the mounting ring;
the depth gauge body and the measuring rod are detachably connected with the size measuring hole.
Preferably, the bottom plate is a ring-shaped member, a plurality of pin holes are formed in the bottom plate, bushings are installed in the pin holes, and the bottom plate is connected with the flame tube through a positioning bolt and a threaded hole in the flame tube support. Preferably, the positioning shaft is connected with the steel ball in a soldering mode, the positioning shaft comprises a head portion with the outer diameter larger than the inner diameter of the mounting ring, and a section of thread section, and the thread section is matched with the nut and the gasket.
Preferably, the positioning pin is a stepped cylindrical pin, and the surface of one end of the positioning pin is threaded.
Preferably, the depth gauge body is a stepped cylinder and is provided with a through hole along the axis thereof.
Preferably, the measuring rod is a rod with a circular cross section, and one end of the rod is provided with a notch with a circular cross section.
A measuring method adopting the flame tube axial floating size measuring device comprises the following steps:
the method comprises the following steps: the bottom plate is fixedly attached to the flame tube support through the positioning bolt and the flame tube support threaded hole;
step two: mounting a positioning shaft with a steel ball on the flame tube swirler, and fixing the positioning shaft with the steel ball, the flame tube swirler and the flame tube swirler on a mounting ring by using nuts, wherein the steel ball and the swirler are separated from two sides of the mounting ring;
step three: the measuring rod is inserted into the depth gauge body to measure the space size, when the measuring rod and the depth gauge body are inserted into the size measuring hole, the positioning shaft with the steel ball and the floating swirler are connected and fixed on a rated position through the measuring rod and the steel ball, and the size is directly read on the measuring rod and is the space size corresponding to the floating size.
Compared with the prior art, the device and the method of the invention save the time of measuring the space size by three coordinates, reduce the labor intensity of workers, improve the production efficiency of parts, reduce the production cost of parts and improve the benefit of enterprises.
Drawings
FIG. 1 is a schematic structural view of a part;
FIG. 2 is a schematic view of a measuring device;
FIG. 3 is a schematic view of a positioning latch;
FIG. 4 is a schematic view of a positioning shaft;
fig. 5 is a schematic view of a metering rod.
Detailed Description
The technical solution of the present invention is further explained below with reference to the accompanying drawings, but the claimed protection scope is not limited to the above.
As shown in fig. 2 to 5, the device for measuring the axial floating size of the flame tube comprises a bottom plate 1, a bush 2, a steel ball 3, a positioning shaft 4, a positioning bolt 5, a nut 6, a gasket 7, a depth gauge body 8 and a measuring rod 9. There are 4 size measurement holes on bottom plate 1, utilize flame tube support screw hole cooperation location bolt 5 (as figure 3, location bolt 5 is a ladder form cylindric round pin, and the surface of its one end has the screw thread) fixed bottom plate 1, guarantee that size measurement hole is located swirler hole rated position, the bush 2 of the device installs on 4 pinhole of bottom plate 1, steel ball 3, location axle 4 installs on flame tube swirler (as figure 4 and figure 2, location axle 4 includes the head that an external diameter is greater than the internal diameter of collar 14, and a section screw thread section, the screw thread section is with nut 6, gasket 7 matches, steel ball 3 fixes head one end on location axle 4 through the soldering, and fix it on collar 14 with nut 6 No.. During measurement, a measuring rod 9 (shown in figure 5, the measuring rod is a rod piece with a circular section, a notch with a circular section is formed in one end of the rod piece and used for accommodating the steel ball 3) is inserted into a depth gauge body 8 (shown in figure 2, the depth gauge body 8 is a stepped cylinder and is provided with a through hole along the axis of the depth gauge body) to measure the space size of the component, when the measuring rod 9 is inserted and a groove body at one end of the measuring rod is in contact with the steel ball 3, the size read out on the measuring rod 9 is the space size corresponding to the floating size, and the measuring rod 9 is used for marking to judge whether the size is qualified.
Specific embodiments of the parts are as follows:
the method comprises the following steps: the bottom plate 1 is fixedly attached to the flame tube support through the positioning bolt 5 and the flame tube support threaded hole;
step two: mounting a positioning shaft 4 with a steel ball 3 on a flame tube swirler, and fixing the three on a mounting ring 14 by using a nut 6, wherein the steel ball 3 and the swirler are arranged at two sides of the mounting ring 14;
step three: the measuring rod 9 is inserted into the depth gauge body 8 to measure the space size, when the equivalent rod 9 and the depth gauge body 8 are inserted into the size measuring hole, the positioning shaft 4 of the strip steel ball 3 and the floating swirler are connected and fixed on a rated position through the measuring rod 9 and the steel ball 3, and the size is directly read on the measuring rod 9, namely the space size corresponding to the floating size.
Claims (1)
1. A method for measuring the axial floating size of a flame tube is used for measuring the size from the rated position of a swirler to the end face of a support, and is characterized in that: the adopted measuring device comprises a bottom plate (1), a positioning shaft (4), a positioning bolt (5), a depth gauge body (8) and a measuring rod (9);
the flame tube measuring device is characterized in that a plurality of size measuring holes penetrating through the upper end surface and the lower end surface of the bottom plate (1) are formed in the bottom plate (1), the bottom plate (1) is detachably connected with the flame tube, the bottom plate (1) is a ring-shaped piece, a plurality of pin holes are formed in the bottom plate, bushings (2) are installed in the pin holes, and the bottom plate (1) is connected with the flame tube through positioning bolts (5) and threaded holes in a flame tube support;
one end of the positioning shaft (4) is connected with the steel ball (3), the positioning shaft (4) is detachably connected with a swirler of the flame tube and detachably connected to the mounting ring (14), the positioning shaft (4) is connected with the steel ball (3) in a soldering manner, the positioning shaft (4) comprises a head part with the outer diameter larger than the inner diameter of the mounting ring (14) and a section of thread section, and the thread section is matched with the nut (6) and the gasket (7);
the positioning bolt (5) is a stepped cylindrical pin, and the surface of one end of the positioning bolt is provided with threads;
the depth gauge body (8) and the measuring rod (9) are detachably connected with the size measuring hole, the depth gauge body (8) is a stepped cylinder, and a through hole is formed along the axis of the depth gauge body;
the measuring rod (9) is a rod piece with a circular section, and one end of the rod piece is provided with a notch with a circular section;
the measuring method comprises the following steps:
the method comprises the following steps: the bottom plate (1) is fixedly attached to the flame tube support through the positioning bolt (5) and the threaded hole of the flame tube support;
step two: a positioning shaft (4) with a steel ball (3) is arranged on a flame tube swirler, the positioning shaft, the flame tube swirler and the flame tube swirler are fixed on a mounting ring (14) by a nut (6), and the steel ball (3) and the swirler are arranged on two sides of the mounting ring (14) respectively;
step three: the measuring rod (9) is inserted into the depth gauge body (8) to measure the space size, when the measuring rod (9) and the depth gauge body (8) are inserted into the size measuring hole, the positioning shaft (4) with the steel ball (3) and the floating swirler are connected and fixed on a rated position through the measuring rod (9) and the steel ball (3), and the size is directly read on the measuring rod (9) and is the space size corresponding to the floating size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385168.3A CN109341460B (en) | 2018-11-20 | 2018-11-20 | Method and device for measuring axial floating size of flame tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385168.3A CN109341460B (en) | 2018-11-20 | 2018-11-20 | Method and device for measuring axial floating size of flame tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109341460A CN109341460A (en) | 2019-02-15 |
| CN109341460B true CN109341460B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811385168.3A Active CN109341460B (en) | 2018-11-20 | 2018-11-20 | Method and device for measuring axial floating size of flame tube |
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| Country | Link |
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| CN (1) | CN109341460B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3716922A (en) * | 1970-12-28 | 1973-02-20 | E Shaver | Gauging method and apparatus for diesel injector nozzles |
| DE19514969A1 (en) * | 1995-04-24 | 1996-10-31 | Greinwald Kotz Andreas | Cylinder capacity measurement for racing cars |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202182693U (en) * | 2011-08-12 | 2012-04-04 | 安徽江淮汽车股份有限公司 | Detection tool used for detecting depth of glow plug hole of diesel engine |
| CN204100971U (en) * | 2014-07-29 | 2015-01-14 | 浙江吉利罗佑发动机有限公司 | A kind of combustion-chamber depth measurement mechanism |
| CN204195146U (en) * | 2014-11-06 | 2015-03-11 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of weld jig utilizing floating support to locate thin-wall part |
| CN206113826U (en) * | 2016-07-29 | 2017-04-19 | 中国航空工业集团公司沈阳发动机设计研究所 | Flame cartridge head gap measuring apparatus of portion |
| CN207214988U (en) * | 2017-06-29 | 2018-04-10 | 神龙汽车有限公司 | Oblique spark-plug hole sealing surface depth detection bar and the detection means based on detection bar |
-
2018
- 2018-11-20 CN CN201811385168.3A patent/CN109341460B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3716922A (en) * | 1970-12-28 | 1973-02-20 | E Shaver | Gauging method and apparatus for diesel injector nozzles |
| DE19514969A1 (en) * | 1995-04-24 | 1996-10-31 | Greinwald Kotz Andreas | Cylinder capacity measurement for racing cars |
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| CN109341460A (en) | 2019-02-15 |
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