CN110006315B - Measuring tool and method for measuring thickness of adjusting gasket of guide vane equipment - Google Patents
Measuring tool and method for measuring thickness of adjusting gasket of guide vane equipment Download PDFInfo
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- CN110006315B CN110006315B CN201910297917.5A CN201910297917A CN110006315B CN 110006315 B CN110006315 B CN 110006315B CN 201910297917 A CN201910297917 A CN 201910297917A CN 110006315 B CN110006315 B CN 110006315B
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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Abstract
The invention relates to a measuring method for measuring the thickness of an adjusting gasket of guide vane equipment, which comprises a shaft component and two rotating measuring components symmetrically arranged at two ends of the shaft component, wherein each rotating measuring component comprises a rotating component capable of rotating around the shaft component and a dial indicator arranged on the rotating component, the axial positions of the two rotating components on the shaft component are kept fixed, the opposite inner side end surfaces of the two rotating components are flat surfaces and are parallel, a measuring rod of the dial indicator is perpendicular to the inner side end surface of the rotating component, and a measuring head is positioned at the inner side of the rotating component. The measuring method is carried out by adopting the measuring tool and is used for determining the thickness of the adjusting gasket between the connecting flange and the base web. The measuring tool is simple in structure, easy and convenient to operate, convenient to disassemble and assemble and high in measuring accuracy, and the high-precision adjusting gasket can be obtained by using a measuring method of the measuring tool, so that the mounting precision of the guide vane equipment is guaranteed.
Description
Technical Field
The invention relates to the field of ships, in particular to a measuring tool and a measuring method for measuring the thickness of an adjusting gasket of guide vane equipment.
Background
Guide vane doors are required to be installed on ships with special structures, as shown in fig. 1, guide vane shafts of guide vane equipment are installed in two base webs, connecting flanges are arranged at two ends of each guide vane shaft, the base webs are of welded structures, parallelism errors possibly exist between the two base webs, the connecting flanges are of circular structures, uncertainty of plane deformation is caused after welding of the base webs 4, therefore, a circular adjusting gasket is respectively placed between the connecting flange of the guide vane equipment and the base webs to ensure the rotating flexibility of the guide vane shafts, the thickness of the adjusting gasket is only 4-6 mm, and therefore, the thickness of the adjusting gasket is difficult to be accurately measured when the adjusting gasket is measured and processed, and even after the guide vane equipment is fastened with the base webs due to incorrect measurement of the adjusting gasket, the guide vane rotation is inflexible. At present, an adjusting gasket is machined after a clearance between a base web and equipment is measured by a common feeler gauge, and due to the fact that the feeler gauge is large in measuring error, the mounting requirement can be met after the feeler gauge is ground for many times.
Disclosure of Invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a measuring tool and a method for measuring the thickness of an adjusting shim of a guide vane device, which can determine the thickness of the adjusting shim more quickly and accurately.
In order to achieve the purpose, the invention provides a measuring tool for measuring the thickness of an adjusting gasket of guide vane equipment, which comprises a shaft component and two rotating measuring components symmetrically arranged at two ends of the shaft component, wherein each rotating measuring component comprises a rotating component capable of rotating around the shaft component and a dial indicator arranged on the rotating component, the axial positions of the two rotating components on the shaft component are kept fixed, the opposite inner side end surfaces of the two rotating components are straight surfaces and are parallel, a measuring rod of the dial indicator is perpendicular to the inner side end surface of the rotating component, and a measuring head is positioned at the inner side of the rotating component.
Furthermore, the rotating part comprises a disc part coaxial with the shaft part, an installation through hole is formed in the end face of the disc part, a threaded hole communicated with the installation through hole is formed in the peripheral face of the disc part, the measuring rod of the dial indicator is inserted into the installation through hole, and a locking screw used for pressing the measuring rod is screwed in the threaded hole.
Further, the diameter size of the disc part is larger than or equal to that of a connecting flange of the guide vane equipment, and the dial indicator is installed on the position close to the outer peripheral surface of the rotating part.
Further, the rotation measuring part comprises a bushing sleeved on the shaft part and a rolling bearing fixedly sleeved on the bushing, and the rotating part is sleeved on the rolling bearing.
Further, rotatory measurement element still includes hole circlip, the outside port department that is equipped with the retainer ring groove on the pore wall of the installation hole of rotating member, installation hole is equipped with an annular limiting plate, antifriction bearing's outside terminal surface is pressed against on annular limiting plate, hole circlip is installed in the retainer ring groove, and is leaned on at antifriction bearing medial surface.
Further, the bushing comprises a large journal and a small journal which are connected, a convex shoulder is formed between the large journal and the small journal, and the rolling bearing is sleeved on the small journal and abuts against the convex shoulder.
Further, the shaft part includes connecting pipe and two fixed cartridges and at the mount pad of connecting pipe both ends, be equipped with the retaining ring on the mount pad, and end department is equipped with the screw thread section, rotatory measuring unit installs on the mount pad, measure the frock still including screwing in the gland nut on the screw thread section, gland nut compresses tightly rotatory measuring unit on the retaining ring.
Furthermore, the outer peripheries of the two ends of the connecting pipe are provided with chamfers, the check ring of the mounting seat is abutted against the two end faces of the mounting seat, and the mounting seat and the check ring are welded.
The invention also provides a measuring method for measuring the thickness of the adjusting shim of the guide vane equipment, which is used for determining the thickness of the adjusting shim between the connecting flange and the base web plate and is carried out by adopting the measuring tool, and the measuring method comprises the following steps:
s1, preparation stage: the measuring tool is well installed on the two base webs, the two rotary measuring parts are respectively positioned on the outer sides of the two base webs, and the distance between the end surfaces of the inner sides of the two rotary parts is equal to the distance between the two connecting flanges of the guide vane equipment; gaps are formed between the corresponding rotating parts and the base web plates, and the tool is axially adjusted, so that the sizes of the two gaps can meet the technological requirements; adjusting a measuring head of the dial indicator to abut against the outer side surface of the base web plate and zeroing the dial indicator;
s2, determining the thickness of the adjusting shim on one side: rotating the rotating part of the rotating measurement component at the side for one circle, marking the positions of the base web corresponding to the maximum value and the minimum value measured by the dial indicator as a maximum value coordinate point and a minimum value coordinate point, calculating the difference value between the maximum value and the minimum value measured by the dial indicator, and measuring the minimum gap between the minimum value coordinate point and the inner side end face of the rotating part; determining the thickness of the required adjusting shim according to the difference and the minimum gap;
s3, determining the thickness of the adjusting shim on the other side: the thickness of the adjustment pad on the other side is determined in the manner of operation in S2.
Further, the method also comprises the following steps: s4, detection stage: keeping the position of the shaft component unchanged, removing the dial indicator, taking the two rotary measuring components off the shaft component, sleeving the two processed adjusting gaskets on the shaft component and attaching the adjusting gaskets to the outer end face of the base web plate on the corresponding side, wherein the thickest point of each adjusting gasket corresponds to the maximum coordinate point on the base web plate, the thinnest point of each adjusting gasket corresponds to the minimum coordinate point on the base web plate, and then installing the two rotary measuring components on the shaft component; and detecting whether the thickness of the adjusting shim meets the requirement or not by using a feeler gauge.
As described above, the measuring tool and the measuring method according to the present invention have the following advantages:
by arranging the shaft component and the two rotary measuring components, when the device is used, after the measuring tool is installed on the base web plate, the distance between the inner side end faces of the two rotary components is equal to the distance between the two connecting flanges of the guide vane equipment, the rotary components are utilized to drive the dial indicator to measure on the outer side end face of the base web plate, the positions of the base web plate corresponding to the maximum value and the minimum value measured by the dial indicator are marked as a maximum value coordinate point and a minimum value coordinate point, the difference value between the maximum value and the minimum value measured by the dial indicator is calculated, and then the minimum gap between the minimum value coordinate point and the inner side end face of the rotary component is measured; and determining the thickness of the required adjusting shim according to the obtained difference and the minimum gap. The measuring tool is simple in structure, easy and convenient to operate, convenient to disassemble and assemble and high in measuring accuracy, and the high-precision adjusting gasket can be obtained by using a measuring method of the measuring tool, so that the mounting precision of the guide vane equipment is guaranteed.
Drawings
FIG. 1 is a schematic view of the installation of a vane apparatus with a base web.
Fig. 2 is a schematic structural diagram of the measurement tool in the present invention, and the dial indicator is omitted in the diagram.
Fig. 3 is a schematic view of the installation work of the measuring tool in the present invention.
Fig. 4 is a schematic structural view of a rotation measuring unit according to the present invention, which is a partial sectional view.
Fig. 5 is a schematic structural view of a rotary member in the present invention.
Fig. 6 is a left side view of fig. 5, which is a partial sectional view.
Fig. 7 is a schematic structural diagram of the dial indicator of the present invention.
Fig. 8 is a schematic view of the assembly of the dial indicator and the rotary member in the present invention.
Fig. 9 is a schematic view of the construction of the bushing of the present invention.
Fig. 10 is a schematic structural view of a shaft member in the present invention.
Fig. 11 is a schematic structural view of a connection pipe according to the present invention.
Fig. 12 is a schematic structural view of the mounting seat of the present invention.
Description of the element reference numerals
1 shaft component
11 connecting pipe
111 chamfer
12 mounting base
121 check ring
122 thread segment
2 rotation measuring unit
21 rotating member
211 mounting through hole
212 threaded hole
213 reference hole
214 retainer groove
215 disc part
216 installation hole
217 annular limiting plate
22 percent meter
221 measuring rod
222 measuring head
23 liner
231 big journal
232 small journal
233 shoulder
24 rolling bearing
Elastic retainer ring for 25 holes
26 locking screw
3 pressing nut
4 base web
5 guide vane shaft
6 adjusting shim
7 connecting flange
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses preferred embodiments of the present invention, with reference to the accompanying drawings, illustrated in fig. 1 to 12.
It should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather by the claims. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof may be regarded as the scope of the present invention without substantial changes in the technical contents.
As shown in fig. 1, 2 and 3, the present invention provides a measuring tool for measuring thickness of an adjusting shim of a guide vane device, wherein the adjusting shim 6 is installed between a connecting flange 7 and a base web 4 of the guide vane device, the measuring tool of the present invention includes a shaft member 1, and two rotation measuring members 2 symmetrically installed at two ends of the shaft member 1, the rotation measuring members 2 include a rotating member 21 rotatable around the shaft member 1, and a dial indicator 22 installed on the rotating member 21, positions of the two rotating members 21 in an axial direction of the shaft member 1 are both fixed, inner side end surfaces opposite to the two rotating members 21 are flat and parallel, a measuring rod 221 of the dial indicator 22 is perpendicular to an inner side end surface of the rotating member 21, and a measuring head 222 is located at an inner side of the rotating member 21. Specifically, the opposite end surfaces of the two rotating pieces 21 are used as the inner end surfaces thereof, the distance between the inner end surfaces of the two rotating pieces 21 is determined according to actual conditions on site, and after the measurement tool is installed, the distance between the inner end surfaces of the two rotating pieces 21 is equal to the distance L1 between the two connecting flanges 7 of the guide vane device, as shown in fig. 1 and 2.
The working principle of the measuring tool provided by the invention is as follows: when the device is used, a measuring tool is installed on the two base webs 4, specifically, the shaft part 1 is installed in an equipment installation hole on the base webs 4, the two rotary measuring parts 2 are respectively located on the outer sides of the two base webs 4, the shaft part 1 is located at the position 5 of the guide vane shaft, the position of the rotary part 21 is located at the position 7 of the connecting flange, and after installation is completed, the distance between the end faces of the inner sides of the two rotary parts 21 is equal to the distance L1 between the two connecting flanges 7 of the guide vane equipment; a gap is formed between the corresponding rotating piece 21 and the base web 4, and as shown in fig. 1, the tool is axially adjusted to enable the left gap and the right gap to be basically equal; adjusting a measuring head 222 of the dial indicator 22 to abut against the outer side surface of the base web 4 and zeroing the dial indicator 22; the two rotation measuring parts 2 respectively and independently work to measure the thickness of the adjusting shim 6 on the corresponding side, referring to fig. 3, taking the rotation measuring part 2 on the left side as an example, rotating the rotation part 21 of the rotation measuring part 2 on the left side for one circle, the rotation part 21 driving the dial indicator 22 for one circle, marking the positions of the base web 4 corresponding to the maximum value and the minimum value measured by the dial indicator 22 as a maximum value coordinate point and a minimum value coordinate point, calculating the difference value between the maximum value and the minimum value measured by the dial indicator 22, and measuring the minimum gap between the minimum value coordinate point and the inner side end face of the rotation part 21; determining the thickness of the adjusting gasket 6 required by the left side according to the obtained difference and the minimum gap; similarly, the thickness of the adjustment shim 6 required on the right side is determined. The measuring tool disclosed by the invention is simple in structure, can be used for quickly and accurately measuring the thicknesses of the adjusting gaskets 6 on the two sides of the guide vane equipment, is simple and convenient to operate, and is high in measuring accuracy, so that the high-precision adjusting gaskets 6 can be obtained, and the mounting accuracy of the guide vane equipment is ensured.
As shown in fig. 4 to 8, in the present embodiment, the rotating member 21 includes a disc portion 215, a mounting through hole 211 is provided on an end surface of the disc portion 215, a threaded hole 212 communicating with the mounting through hole 211 is provided on an outer circumferential surface of the disc portion 215, the measuring rod 221 of the dial indicator 22 is inserted into the mounting through hole 211, and the locking screw 26 for pressing the measuring rod 221 is screwed into the threaded hole 212. Therefore, when the locking screw 26 is unscrewed, the position of the dial indicator 22 can be adjusted, when the dial indicator 22 reaches a proper position, the locking screw 26 is screwed to abut against the measuring rod 221 of the dial indicator 22, the dial indicator 22 is fixedly locked, the dial indicator 22 is disassembled and adjusted, and the operation is flexible and convenient. Further preferably, as shown in fig. 5 and 6, in the present embodiment, the diameter dimension of the disc part 215 is equal to or larger than the diameter dimension of the connecting flange 7 of the guide vane device, preferably the diameter D7 of the disc part 215 is equal to the diameter of the connecting flange 7, and the dial indicator 22 is installed near the outer circumferential surface of the rotary member 21. Thereby, the maximum and minimum values measured by the dial gauge 22 are closer to the edge of the attachment flange 7, thereby making the measured thickness of the spacer 6 more accurate. An annular array of reference holes 213 is also provided in the disc portion 215, the reference holes 213 being of the same size, number and arrangement as the attachment flange 7.
In the present embodiment, as shown in fig. 4, the rotation measuring unit 2 preferably includes a bushing 23 fitted around the shaft unit 1, a rolling bearing 24 fixedly fitted around the bushing 23, and the rotary member 21 is fitted around the rolling bearing 24. Specifically, the rolling bearing 24 is preferably a deep groove ball bearing, the rolling bearing 24 is installed in an installation inner hole 216 of the rotating member 21, and as shown in fig. 6, the fit clearance between the installation inner hole 216 of the rotating member 21 and the outer ring of the deep groove ball bearing is 0.005-0.01 mm. Further preferably, as shown in fig. 9, the bearing comprises a large journal 231 and a small journal 232 which are connected, that is, the outer circumferential surface of the bushing 23 is stepped, a shoulder 233 is formed between the large journal 231 and the small journal 232, the rolling bearing 24 is sleeved on the small journal 232 and abuts against the shoulder 233, the mounting of the rolling bearing 24 can be positioned by the shoulder 233, the small journal 232 of the bushing 23 is in over-fit with the inner ring of the rolling bearing 24, and the fit clearance is-0.005 to-0.01 mm. When the measuring tool is installed on the two base webs 4, the large journal 231 is matched with the equipment installation holes of the base webs 4, and the matching clearance is about 0.1 mm. Further preferably, as shown in fig. 3 and fig. 6, the rotation measuring component 2 further includes a circlip 25 for hole, a circlip groove 214 is provided on a hole wall of the mounting inner hole 216 of the rotating component 21, an annular limiting plate 217 is provided at an outer end of the mounting inner hole 216, an outer end surface of the rolling bearing 24 presses against the annular limiting plate 217, the circlip 25 for hole is mounted in the circlip groove 214 and abuts against an inner end surface of the rolling bearing 24, and the circlip 25 for hole and the annular limiting plate 217 can prevent the rolling bearing 24 from moving axially.
As a preferable design, in this embodiment, as shown in fig. 10, 11 and 12, the shaft member 1 includes a connecting pipe 11, and two mounting seats 12 fixedly inserted at two ends of the connecting pipe 11, a retaining ring 121 is provided on the mounting seat 12, and a threaded section 122 is provided at an end of the mounting seat 12, a bushing 23 of the rotation measuring component 2 is sleeved on the mounting seat 12, the measuring tool further includes a compression nut 3 screwed on the threaded section 122, the compression nut 3 compresses the bushing 23 of the rotation measuring component 2 on the retaining ring 121, specifically, a fitting clearance between an outer diameter D4 at the mounting seat 12 for mounting the bushing 23 and an inner hole D4 of the bushing 23 is about 0.05 mm. The rotary measuring element 2 can be easily inserted into and removed from the shaft element 1 by screwing in or out the compression nut 3. By adopting the design form of the connecting pipe 11 and the mounting seat 12, under the condition that the structure of the mounting seat 12 and the structure of the rotary measuring component 2 are not changed, the distance between the two rotary measuring components 2 can be adjusted by changing the length of the connecting pipe 11 or the depth of the mounting seat 12 inserted into the connecting pipe 11, so that the application range of the measuring tool is enlarged. In this embodiment, the connecting pipe 11 and the mounting seat 12 are fixed by welding, and further preferably, as shown in fig. 11, chamfers 111 are respectively disposed on outer peripheries of both ends of the connecting pipe 11, and the retaining rings 121 of the mounting seat 12 abut against both end surfaces of the mounting seat 12, so that when welding is performed between the mounting seat 12 and the retaining rings 121, a molten pool is formed at the chamfers 111, which facilitates welding. The mounting base 12 leaves a finish machining allowance in the primary machining process, and after the mounting base 12 is welded with the connecting pipe 11, the coaxiality of the two mounting bases 12 is not more than 0.05mm in the finish machining process.
The invention also provides a measuring method for measuring the adjusting shim of the guide vane equipment, which is used for determining the thickness of the adjusting shim 6 between the connecting flange 7 and the base web 4, and the measuring tool is adopted for carrying out the measuring method, and comprises the following steps:
s1, preparation stage:
referring to fig. 2, 3 and 4, the measuring tool is mounted on the two base webs 4, the two rotating measuring parts 2 are respectively located on the outer sides of the two base webs 4, and the distance between the inner side end faces of the two rotating parts 21 is equal to the distance between the two connecting flanges 7 of the guide vane device; gaps are formed between the corresponding rotating parts 21 and the base web 4, and the tool is axially adjusted to enable the sizes of the two gaps to meet the process requirements, specifically to enable the two gaps to be basically equal; the measuring head 222 of the dial indicator 22 is adjusted to abut against the outer side surface of the base web 4 and the dial indicator 22 is zeroed.
Specifically, when the measurement tool in this embodiment is used for performing, the installation process of the measurement tool on the two base webs 4 is as follows: the deep groove ball bearing is heated and then sleeved on the small shaft neck 232 of the bushing 23 and abutted against the shoulder 233, the rotating piece 21 is heated and then sleeved on the outer ring of the deep groove ball bearing, the hole elastic retainer ring 25 is arranged in the retainer ring groove 214, and the assembly of the rotating measuring part 2 is completed; the shaft part 1 is inserted into a corresponding equipment mounting hole on a base web 4; the bushings 23 of the two rotation measuring parts 2 are respectively sleeved on the mounting seats 12 at the two ends of the shaft part 1, the bushings 23 are abutted against the check rings 121 on the shaft part 1, and the two rotation measuring parts 2 are respectively positioned at the outer sides of the two base webs 4; the compression nuts 3 are screwed on the two ends of the shaft element 1, and after the shaft element is manually screwed, the distance between the inner side end faces of the two rotary elements 21 is ensured to be the distance L1 between the two connecting flanges 7 of the guide vane device.
S2, determining the thickness of the one-side adjustment shim 6:
referring to fig. 3, taking the determination of the thickness of the left adjustment shim 6 in fig. 2 as an example, the rotating member 21 of the left rotation measurement component 2 is rotated once, positions of the left base web 4 corresponding to the maximum value and the minimum value measured by the dial indicator 22 are marked as a maximum value coordinate point and a minimum value coordinate point, a difference value between the maximum value and the minimum value measured by the dial indicator 22 is calculated, and then a gap between the minimum value coordinate point and the inner side end surface of the rotating member 21 is measured by using a measuring tool such as a feeler gauge and is marked as a minimum gap; determining the thickness of the required adjusting shim 6 according to the difference and the minimum gap;
s3, determining the thickness of the other-side adjustment shim 6:
the thickness of the shim 6 on the right side is determined in the same manner as in S2 described above.
By the above method, the thickness of the adjustment shims 6 on both sides can be calculated and determined, and then the required adjustment shims 6 can be obtained by machining. In this case, the method for detecting the machined adjusting shim 6 may further include the following steps:
s4, detection stage: keeping the position of the shaft component 1 unchanged, specifically keeping the measuring tool at the position when measuring in steps S2 and S3, removing the dial indicator 22, removing the two rotary measuring components 2 from the shaft component 1, sleeving the machined adjusting shim 6 on the shaft component 1 and attaching the adjusting shim 6 to the outer end face of the base web 4 at the corresponding side, specifically, positioning the left adjusting shim 6 on the outer end face of the left base web 4, positioning the right adjusting shim 6 on the outer end face of the right base web 4, corresponding the thickest point of the adjusting shim 6 to the maximum coordinate point on the base web 4 and the thinnest point to the minimum coordinate point on the base web 4, then mounting the left and right rotary measuring components 2 on the shaft component 1, and returning the rotary measuring components 2 to the original measuring position; and detecting whether the thickness of the adjusting shim 6 meets the requirement or not by using a feeler gauge.
After the guide vane equipment is qualified, holes are drilled in the adjusting gasket 6 and the base web 4 according to the position of the reference hole 213 in the rotating piece 21, so that when the guide vane equipment is installed, the installation holes in the connecting flange 7 directly correspond to the drilled holes in the adjusting gasket 6 and the base web 4, and the installation accuracy is guaranteed.
Therefore, the measuring tool in the embodiment has the characteristics of simple structure, simplicity and convenience in operation, convenience in disassembly and assembly, low cost, no maintenance in work and the like. In the process of measuring the thickness of the adjusting shim 6 by using the measuring tool in practice, because the data read by the dial indicator 22 are accurate, the adjusting shim 6 processed according to the measuring result has the characteristics of high precision, no need of grinding and the like, so that the installation process of the guide vane equipment is simplified, and the installation quality of the equipment is effectively ensured.
In conclusion, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A measuring method for measuring the thickness of a shim of a guide vane device for determining the thickness of a shim (6) between a connecting flange (7) and a base web (4), characterized in that: the method is carried out by adopting a measuring tool, the measuring tool comprises a shaft part (1) and two rotating measuring parts (2) symmetrically arranged at two ends of the shaft part (1), the rotating measuring parts (2) comprise rotating parts (21) capable of rotating around the shaft part (1) and dial indicators (22) arranged on the rotating parts (21), the two rotating parts (21) are kept fixed at the axial positions of the shaft part (1), the opposite inner side end surfaces of the two rotating parts (21) are flat surfaces and parallel, measuring rods (221) of the dial indicators (22) are perpendicular to the inner side end surfaces of the rotating parts (21), and measuring heads (222) are positioned on the inner sides of the rotating parts (21), and the measuring method comprises the following steps:
s1, preparation stage: the measuring tool is well installed on two base webs (4), two rotary measuring parts (2) are respectively positioned on the outer sides of the two base webs (4), and the distance between the end surfaces of the inner sides of the two rotary parts (21) is equal to the distance between two connecting flanges (7) of the guide vane equipment; gaps are formed between the corresponding rotating pieces (21) and the base web (4), and the tool is axially adjusted to enable the sizes of the two gaps to meet the technological requirements; adjusting a measuring head (222) of the dial indicator (22) to abut against the outer side surface of the base web plate (4) and zeroing the dial indicator (22);
s2, determining the thickness of the one-side adjusting shim (6): rotating the rotating piece (21) of the rotating measurement component (2) at the side for one circle, marking the positions of the base web (4) corresponding to the maximum value and the minimum value measured by the dial indicator (22) as a maximum value coordinate point and a minimum value coordinate point, calculating the difference value between the maximum value and the minimum value measured by the dial indicator (22), and measuring the minimum gap between the minimum value coordinate point and the inner side end face of the rotating piece (21); determining the thickness of the required adjusting shim (6) according to the difference and the minimum clearance;
s3, determining the thickness of the other side adjusting shim (6): the thickness of the adjustment shim (6) on the other side is determined in the manner of operation in S2.
2. The measurement method according to claim 1, characterized in that: further comprising the steps of:
s4, detection stage: keeping the position of the shaft component (1) unchanged, removing the dial indicator (22), taking the two rotary measuring components (2) off the shaft component (1), sleeving the two machined adjusting gaskets (6) on the shaft component (1) and attaching the two adjusting gaskets to the outer end face of the base web (4) on the corresponding side, enabling the thickest point of each adjusting gasket (6) to correspond to the maximum coordinate point on the base web (4) and the thinnest point to correspond to the minimum coordinate point on the base web (4), and then installing the two rotary measuring components (2) on the shaft component (1); and detecting whether the thickness of the adjusting shim (6) meets the requirement or not by using a feeler gauge.
3. The measurement method according to claim 1, characterized in that: the rotating part (21) comprises a disc part (215) coaxial with the shaft part (1), an installation through hole (211) is formed in the end face of the disc part (215), a threaded hole (212) communicated with the installation through hole (211) is formed in the outer peripheral face of the disc part (215), a measuring rod (221) of the dial indicator (22) is inserted into the installation through hole (211), and a locking screw (26) used for pressing the measuring rod (221) is screwed in the threaded hole (212).
4. A measuring method according to claim 3, characterized in that: the diameter size of the disc part (215) is larger than or equal to that of a connecting flange (7) of the guide vane equipment, and the dial indicator (22) is installed on the position close to the outer peripheral surface of the rotating piece (21).
5. The measurement method according to claim 1, characterized in that: the rotation measuring part (2) comprises a bushing (23) sleeved on the shaft part (1) and a rolling bearing (24) fixedly sleeved on the bushing (23), and the rotating part (21) is sleeved on the rolling bearing (24).
6. The measurement method according to claim 5, characterized in that: rotatory measuring part (2) still include hole circlip (25), the outside port department that is equipped with retainer ring groove (214), installation hole (216) on the pore wall of the installation hole (216) of rotating member (21) is equipped with one ring limiting plate (217), the outside terminal surface pressure of antifriction bearing (24) is leaned on ring limiting plate (217), hole circlip (25) are installed in retainer ring groove (214) and are leaned on at antifriction bearing (24) medial surface.
7. The measurement method according to claim 5, characterized in that: the bushing (23) comprises a large journal (231) and a small journal (232) which are connected, a shoulder (233) is formed between the large journal (231) and the small journal (232), and the rolling bearing (24) is sleeved on the small journal (232) and abuts against the shoulder (233).
8. The measurement method according to claim 1, characterized in that: the utility model discloses a measuring tool, including connecting pipe (11) and two fixed cartridges of axle part (1) mount pad (12) at connecting pipe (11) both ends, be equipped with retaining ring (121) on mount pad (12) and end department is equipped with screw thread section (122), rotatory measuring part (2) are installed on mount pad (12), measure frock still including twist gland nut (3) of connecing on screw thread section (122), gland nut (3) compress tightly rotatory measuring part (2) on retaining ring (121).
9. The measurement method according to claim 8, characterized in that: all be equipped with chamfer (111) on connecting pipe (11) both ends periphery, retaining ring (121) of mount pad (12) support and lean on mount pad (12) both ends face, weld between mount pad (12) and retaining ring (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297917.5A CN110006315B (en) | 2019-04-15 | 2019-04-15 | Measuring tool and method for measuring thickness of adjusting gasket of guide vane equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297917.5A CN110006315B (en) | 2019-04-15 | 2019-04-15 | Measuring tool and method for measuring thickness of adjusting gasket of guide vane equipment |
Publications (2)
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| CN111899632B (en) * | 2020-09-07 | 2024-05-03 | 中国人民解放军陆军工程大学 | Shaft measurement skill training device for teaching |
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| CN1283974C (en) * | 2004-12-09 | 2006-11-08 | 合肥工业大学 | Spacer thickness measuring instrument |
| CN205014925U (en) * | 2015-04-23 | 2016-02-03 | 北京亚太汽车底盘系统有限公司 | Brake disc measuring device |
| CN205373574U (en) * | 2015-12-22 | 2016-07-06 | 河北吉美达工具股份有限公司 | Saw bit end skip detector |
| CN205718754U (en) * | 2016-07-05 | 2016-11-23 | 唐山通力齿轮有限公司 | A kind of cubing detecting oil sealing end face run-out |
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| CN107167055A (en) * | 2017-05-25 | 2017-09-15 | 安徽江淮汽车集团股份有限公司 | Simple disc thickness detecting tool |
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| CN207850235U (en) * | 2017-12-27 | 2018-09-11 | 洛阳轴承研究所有限公司 | A kind of tool for measuring inner groove opposite ends identity distance main shaft outer end face deviation |
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