CN111238350A - Alignment tool - Google Patents
Alignment tool Download PDFInfo
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- CN111238350A CN111238350A CN201811437246.XA CN201811437246A CN111238350A CN 111238350 A CN111238350 A CN 111238350A CN 201811437246 A CN201811437246 A CN 201811437246A CN 111238350 A CN111238350 A CN 111238350A
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides an alignment tool, comprising: the device comprises a support, a gauge stand and a dial indicator, wherein the support comprises a first support and a second support which are respectively fixed on a coupler of a driving shaft and a coupler of a driven shaft; the gauge stand is fixed on the second support; the dial indicator is installed on the gauge stand and is in contact with the first support so as to measure the circle run-out of the driving shaft and the driven shaft and the first support of the coaxiality gauge stand. The technical scheme of the invention effectively solves the problems that the alignment mode in the prior art is not simple and convenient enough and has low accuracy.
Description
Technical Field
The invention relates to the technical field of equipment inspection and maintenance, in particular to an alignment tool.
Background
In the long-term use process, the faults of impeller abrasion, machine seal damage, shaft sleeve abrasion, bearing damage and the like can be caused by the excessive vibration or poor alignment of the pump, so the pump alignment work after maintenance must be considered. An alignment method commonly used at present is a single-meter alignment method, only radial reading of the outer circle of a hub of a coupler is needed to be measured, axial reading is not needed to be measured, but an adjustment value is obtained through a graphical method according to reading of a dial indicator, the tool is not easy to fix, the use is not efficient and simple enough, and the movement of the tool during use can lead to inaccurate measurement results. Even some inspection and maintenance personnel only use simple methods such as eye observation, steel rule, angle square to align, can't guarantee the accuracy.
Disclosure of Invention
The invention mainly aims to provide an alignment tool to solve the problems that an alignment mode in the prior art is not simple and convenient enough and is low in accuracy.
In order to achieve the above object, the present invention provides an alignment tool comprising: the device comprises a support, a gauge stand and a dial indicator, wherein the support comprises a first support and a second support which are respectively fixed on a coupler of a driving shaft and a coupler of a driven shaft; the gauge stand is fixed on the second support; the dial indicator is installed on the gauge stand and is in contact with the first support so as to measure the circle run-out of the driving shaft and the driven shaft and the first support of the coaxiality gauge stand.
Further, the gauge stand includes mutually perpendicular's first mounting panel and second mounting panel, is provided with first mounting hole on the first mounting panel side by side, and the second mounting panel is provided with the second mounting hole, and the measuring stick of percentage table passes first mounting hole and/or second mounting hole.
Further, first mounting panel includes first base plate and the first splint that link to each other with first base plate, and the first end of first base plate links to each other with the second mounting panel, and the second end of first base plate links to each other with the first end of first splint, and the second end of first splint extends to the first end direction of first base plate, and first base plate is close to each other with the centre gripping percentage table with first splint.
Further, a first mounting hole is formed in the first base plate, a first fastening hole is formed in the first mounting plate, the first fastening hole penetrates through two opposite side faces of the first mounting plate, and a first fastening piece penetrates through the first fastening hole to enable the first base plate and the first clamping plate to clamp the dial indicator.
Further, the second mounting panel includes the second base plate and the second splint that link to each other with the second base plate, and the first end of second base plate links to each other with the first end of first base plate, and the second end of second base plate links to each other with the first end of second splint, and the second end of second splint extends to the first end direction of second base plate, and the second base plate is close to each other with the centre gripping percentage table with the second splint.
Further, a second mounting hole is formed in the second base plate, a second fastening hole is formed in the second mounting plate, the second fastening hole penetrates through two opposite side faces of the second mounting plate, and a second fastening piece penetrates through the second fastening hole to enable the second base plate and the second clamping plate to clamp the dial indicator.
Further, the first support comprises a base and a measuring block, the base is connected with the measuring block, and the dial indicator is in contact with the measuring block.
Furthermore, the base comprises a first magnetic part, a first magnetic part mounting groove for mounting the first magnetic part is formed in the bottom surface of the base, a first through hole is formed in the bottom of the first magnetic part mounting groove, the measuring block is provided with a first threaded hole corresponding to the first through hole, and a first screw penetrates through the first through hole to be connected with the first threaded hole, so that the base and the measuring block are fixed together.
Furthermore, the second support comprises a first fixing seat and a second fixing seat which are perpendicular to each other, the gauge stand is connected with the first fixing seat, the first fixing seat is provided with a second magnetic part, and the second fixing seat is provided with a third magnetic part.
Furthermore, the ground of the first fixing seat is provided with a second magnetic part mounting groove for mounting a second magnetic part, a second through hole is formed in the bottom of the second magnetic part mounting groove, a second threaded hole matched with the second through hole is formed in the gauge stand, and a second screw penetrates through the second through hole and is connected with the second threaded hole, so that the second support and the gauge stand are fixed together.
By applying the technical scheme of the invention, the alignment tool comprises a support, a gauge stand and a dial indicator, wherein the support comprises a first support and a second support, the first support and the second support are respectively fixed on a coupler of a driving shaft and a coupler of a driven shaft, the dial indicator is arranged on the gauge stand, the dial indicator is easy to fix when in use, the alignment tool is easy to install, the use is simple and convenient, and the fixed and firm dial indicator can also ensure the measurement accuracy. The technical scheme of the invention effectively solves the problems that the alignment mode in the prior art is not simple and convenient enough and has low accuracy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows an assembled schematic view of an embodiment of an alignment tool according to the present invention;
FIG. 2 shows a perspective view of the watch base of FIG. 1 assembled with a second support;
FIG. 3 shows a schematic front view of the watch base of FIG. 2 assembled with a second support;
FIG. 4 shows a perspective view of the watch base shown in FIG. 2;
FIG. 5 shows a schematic front view of the watch base shown in FIG. 4;
FIG. 6 shows a schematic top view of the watch base shown in FIG. 4;
FIG. 7 shows a left side schematic view of the bezel shown in FIG. 4;
FIG. 8 shows a perspective view of the second mount shown in FIG. 2;
FIG. 9 shows a schematic front view of the second mount shown in FIG. 8;
FIG. 10 shows a schematic top view of the second mount shown in FIG. 8;
FIG. 11 shows a schematic left side view of the second mount shown in FIG. 8;
FIG. 12 shows a perspective view of the first mount shown in FIG. 1;
FIG. 13 shows a schematic front view of the first mount shown in FIG. 12;
FIG. 14 shows a front schematic view of the base shown in FIG. 12;
FIG. 15 shows a perspective view of the measurement block shown in FIG. 12;
FIG. 16 shows a schematic front view of the measurement block shown in FIG. 15;
FIG. 17 shows a left side schematic view of the measurement block shown in FIG. 15; and
FIG. 18 shows a schematic top view of the measurement block shown in FIG. 15.
Wherein the figures include the following reference numerals:
10. a support; 11. a first support; 111. a base; 112. a measuring block; 113. a first magnetic member; 114. a first magnetic member mounting groove; 115. a first through hole; 116. a first threaded hole; 117. a first screw; 12. a second support; 121. a first fixed seat; 122. a second fixed seat; 123. a second magnetic member; 124. a second magnetic member mounting groove; 125. a second through hole; 127. a third magnetic member; 128. a second screw; 20. a coupling; 30. a gauge stand; 31. a first mounting plate; 311. a first mounting hole; 312. a first substrate; 313. a first splint; 314. a first fastening hole; 32. a second mounting plate; 321. a second mounting hole; 322. a second substrate; 323. a second splint; 324. a second fastening hole; 325. a second threaded hole; 40. and (4) a dial indicator.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 18, the alignment tool of the present embodiment includes: a support 10, a gauge stand 30 and a dial indicator 40. The support 10 comprises a first support 11 and a second support 12, and the first support 11 and the second support 12 are respectively fixed on a coupling 20 of the driving shaft and a coupling 20 of the driven shaft; the watch seat 30 is fixed on the second support 12; the dial gauge 40 is installed on the gauge stand 30 and contacts the first support 11 to measure circular runout of the driving and driven shafts and the coaxiality of the gauge stand 30 and the first support 11.
Use the technical scheme of this embodiment, the alignment instrument includes support 10, gauge stand 30 and percentage table 40, support 10 includes first support 11 and second support 12, first support 11 and second support 12 are fixed respectively on the shaft coupling 20 of driving shaft and the shaft coupling 20 of driven shaft, percentage table 40 is installed on gauge stand 30, percentage table 40 is fixed easily when using, and the alignment instrument is also installed relatively easily, and is used fairly simply, conveniently, and fixed firm percentage table 40 also can guarantee the accuracy of measuring. The technical scheme of this embodiment has solved the alignment mode among the prior art effectively and has not enough simple and convenient, the not high problem of accuracy.
As shown in fig. 1 to 7, in the technical solution of the present embodiment, the meter base 30 includes a first mounting plate 31 and a second mounting plate 32 that are perpendicular to each other, a first mounting hole 311 is provided in the first mounting plate 31 in parallel, a second mounting hole 321 is provided in the second mounting plate 32, and a measuring rod of the dial indicator 40 passes through the first mounting hole 311 and the second mounting hole 321, or the dial indicator 40 is only installed in the first mounting hole 311, or the dial indicator 40 is only installed in the second mounting hole 321. When the dial indicator 40 is installed in the first installation hole 311 and the second installation hole 321, the circular runout and the coaxiality of the driving shaft and the driven shaft can be measured simultaneously. In addition, the first mounting holes 311 may be provided in parallel, so that the dial indicator 40 can be adapted to couplings 20 having different widths. The measuring range of the dial indicator 40 is 0-10 mm, and the precision is 0.01 mm. The dial indicator 40 may also be a digital display type dial indicator to facilitate reading.
As shown in fig. 1 to 7, in the technical solution of the present embodiment, the first mounting plate 31 includes a first base plate 312 and a first clamping plate 313 connected to the first base plate 312, a first end of the first base plate 312 is connected to the second mounting plate 32, a second end of the first base plate 312 is connected to a first end of the first clamping plate 313, a second end of the first clamping plate 313 extends toward the first end of the first base plate 312, and the first base plate 312 and the first clamping plate 313 approach each other to clamp the dial indicator 40. The axial direction of the dial indicator 40 mounted on the first mounting plate 31 is parallel to the axial direction of the second mounting plate 32, and the axial direction of the dial indicator 40 mounted on the second mounting plate 32 is parallel to the axial direction of the first mounting plate 31.
As shown in fig. 1 to 7, in the solution of the present embodiment, the first mounting hole 311 is provided on the first base plate 312, the first mounting plate 31 is provided with a first fastening hole 314, the first fastening hole 314 penetrates through two opposite side surfaces of the first mounting plate 31, and the first fastening member penetrates through the first fastening hole 314 so that the first base plate 312 and the first clamping plate 313 clamp the dial indicator 40. The first mounting holes 311 are not complete circles and all have a diameter of 80 mm. The first fastening hole 314 has a diameter of 60mm, and the first fastening member may be engaged with a nut, and the first fastening member may be moved on the first fastening member by the nut to clamp the first base plate 312 and the first clamping plate 313, but of course, an internal thread may be provided in the first fastening hole 314 of the first base plate 312, and the first base plate 312 and the first clamping plate 313 may be clamped by the first fastening member being moved and fixed in the first fastening hole 314. The first fastener was of the specification GB70-85, 10mm in length, 6mm in nominal diameter, and 304 stainless steel as the material.
As shown in fig. 1 to 7, in the solution of the present embodiment, the second mounting plate 32 includes a second base plate 322 and a second clamping plate 323 connected to the second base plate 322, a first end of the second base plate 322 is connected to a first end of the first base plate 312, a second end of the second base plate 322 is connected to a first end of the second clamping plate 323, a second end of the second clamping plate 323 extends toward the first end of the second base plate 322, and the second base plate 322 and the second clamping plate 323 approach each other to clamp the dial indicator 40. The first substrate 312 and the second substrate 322 are a unitary structure.
As shown in fig. 1 to 7, in the solution of the present embodiment, the second mounting hole 321 is provided on the second base plate 322, the second mounting plate 32 is provided with a second fastening hole 324, the second fastening hole 324 penetrates through two opposite side surfaces of the second mounting plate 32, and the second fastening member penetrates through the second fastening hole 324 so that the second base plate 322 and the second clamping plate 323 clamp the dial indicator 40. The second mounting holes 321 are not complete circles and all have a diameter of 80 mm. The diameter of the second fastening hole 324 is 60mm, and the second fastening member may be engaged with a nut, and the second base plate 322 and the second clamping plate 323 may be clamped by moving the nut on the second fastening member, or of course, an internal thread may be provided in the second fastening hole 324 of the second base plate 322, and the second base plate 322 and the second clamping plate 323 may be clamped by moving and fixing the second fastening member in the second fastening hole 324.
As shown in fig. 1 and fig. 12 to fig. 18, in the solution of the present embodiment, the first support 11 includes a base 111 and a measuring block 112, the base 111 is connected to the measuring block 112, and the dial indicator 40 is in contact with the measuring block 112. The bottom surface of the base 111 is a flat surface and the measuring block 112 has a measuring surface, the surface of which is smoothed to mate with the contacts of the dial gauge 40. The surface of the base 111 matched with the measuring block 112 needs to be finished, the surface roughness reaches Ra0.8um, and the surface roughness of the non-matched surface reaches Ra1.6um. The material of the first support 11 is 304 stainless steel.
As shown in fig. 1 and 12 to 18, in the solution of the present embodiment, the base 111 includes a first magnetic member 113, a bottom surface of the base 111 has a first magnetic member mounting groove 114 for mounting the first magnetic member 113, a first through hole 115 is provided at a bottom of the first magnetic member mounting groove 114, the measuring block 112 has a first threaded hole 116 corresponding to the first through hole 115, and a first screw 117 passes through the first through hole 115 and is connected to the first threaded hole 116, so that the base 111 and the measuring block 112 are fixed together. The first screw 117 is a screw of gauge G819-85 of 10mm length, 6mm nominal diameter, and 304 stainless steel material. During assembly, the first screw 117 is threaded into the first threaded hole 116 through the first through hole 115 to fix the base 111 and the measuring block 112 together, then the first magnetic member 113 is installed in the first magnetic member installation groove 114, the first magnetic member 113 is fixed on the base 111 through magnetic force, and then the base 111 is fixed on the coupler 20 through the magnetic force of the first magnetic member 113.
As shown in fig. 1 to 3 and 8 to 11, in the technical solution of the present embodiment, the second support 12 includes a first fixing seat 121 and a second fixing seat 122 that are vertically connected to each other, the meter seat 30 is connected to the first fixing seat 121, the first fixing seat 121 is provided with a second magnetic member 123, and the second fixing seat 122 is provided with a third magnetic member 127. The first fixing seat 121 and the second fixing seat 122 are integrally formed, the second support 12 is made of 304 stainless steel, and the second support 12 is fixed on the coupler 20 by using the magnetic force of the second magnetic member 123 and the third magnetic member 127. The first magnetic member 113, the second magnetic member 123, and the third magnetic member 127 are all permanent magnets, and have diameters of 200 mm.
As shown in fig. 1 to 3 and 8 to 11, in the technical solution of the present embodiment, the ground of the first fixing seat 121 has a second magnetic member mounting groove 124 for mounting the second magnetic member 123, a second through hole 125 is disposed at the bottom of the second magnetic member mounting groove 124, a second threaded hole 325 adapted to the second through hole 125 is disposed on the watch seat 30, and the second screw 128 passes through the second through hole 125 and is connected to the second threaded hole 325, so that the second support 12 and the watch seat 30 are fixed together. The second screw 128 is a G819-85 gauge screw 10mm long, 6mm nominal diameter, 304 stainless steel material. During assembly, the second screw 128 penetrates through the second through hole 125 and is screwed into the second threaded hole 325, the second support 12 and the meter seat 30 are fixed together, then the second magnetic member 123 is installed in the second magnetic member installation groove 124, the second magnetic member 123 is fixed on the first fixed seat 121 through magnetic force, then the first fixed seat 121 is fixed on the coupler 20 through the magnetic force of the second magnetic member 123, and the second fixed seat 122 is fixed on the other surface of the coupler 20 through the magnetic force of the third magnetic member 127.
It is worth noting that when the aligning tool is used, firstly, the turning is needed to rotate the motor, so that the driving shaft rotates by 90 degrees, 180 degrees, 270 degrees and 360 degrees respectively, when the tool is turned, the turned angle can be judged according to the mark on the coupler 20, the aligning tool is installed on the coupler 20, the dial indicator 40 is fixed, then the driving shaft rotates by 90 degrees, 180 degrees, 270 degrees and 360 degrees respectively, the 4 points are measured once respectively, the reading of the dial indicator 40 is recorded, and according to the reading deviation of the 4 points, gaskets with different thicknesses are added or reduced at the bottom of the motor and are adjusted continuously, so that the reading deviation of the 4 points is within an allowable range. In practical application, the deviation of the alignment tool of the application is found to be-0.01 mm/m to +0.01mm/m, while the deviation of the alignment method of the prior art is found to be-0.02 mm/m to +0.02mm/m, with higher precision. Moreover, the alignment tool can simultaneously measure the circle run-out and the coaxiality of the driving shaft and the driven shaft, can directly read the circle run-out and the coaxiality, is higher in efficiency, and is fixed on the coupler 20 through a large-area magnetic part, so that the alignment tool is more convenient and firmer.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An alignment tool, comprising:
the support (10) comprises a first support (11) and a second support (12), and the first support (11) and the second support (12) are respectively fixed on a coupler (20) of a driving shaft and a coupler (20) of a driven shaft;
the gauge stand (30), the said gauge stand (30) is fixed on said second support (12);
the dial indicator (40) is installed on the gauge stand (30) and is in contact with the first support (11) so as to measure the circular runout of the driving shaft and the driven shaft and the first support (11) of the coaxiality gauge stand (30).
2. The alignment tool as claimed in claim 1, wherein the gauge stand (30) comprises a first mounting plate (31) and a second mounting plate (32) perpendicular to each other, the first mounting plate (31) is provided with a first mounting hole (311) in parallel, the second mounting plate (32) is provided with a second mounting hole (321), and the measuring rod of the dial indicator (40) passes through the first mounting hole (311) and/or the second mounting hole (321).
3. The alignment tool as set forth in claim 2 wherein the first mounting plate (31) includes a first base plate (312) and a first clamping plate (313) connected to the first base plate (312), a first end of the first base plate (312) being connected to the second mounting plate (32), a second end of the first base plate (312) being connected to a first end of the first clamping plate (313), a second end of the first clamping plate (313) extending toward the first end of the first base plate (312), the first base plate (312) and the first clamping plate (313) being adjacent to each other for clamping the dial indicator (40).
4. The alignment tool as claimed in claim 3, wherein the first mounting hole (311) is provided on the first base plate (312), the first mounting plate (31) is provided with a first fastening hole (314), the first fastening hole (314) penetrates through two opposite side surfaces of the first mounting plate (31), and a first fastening member penetrates through the first fastening hole (314) so that the first base plate (312) and the first clamping plate (313) clamp the dial indicator (40).
5. The alignment tool as set forth in claim 3 wherein the second mounting plate (32) comprises a second base plate (322) and a second clamping plate (323) connected to the second base plate (322), a first end of the second base plate (322) being connected to a first end of the first base plate (312), a second end of the second base plate (322) being connected to a first end of the second clamping plate (323), a second end of the second clamping plate (323) extending toward the first end of the second base plate (322), the second base plate (322) and the second clamping plate (323) being adjacent to each other to clamp the dial indicator (40).
6. The alignment tool as claimed in claim 5, wherein the second mounting hole (321) is provided on the second base plate (322), the second mounting plate (32) is provided with a second fastening hole (324), the second fastening hole (324) penetrates through two opposite side surfaces of the second mounting plate (32), and a second fastening member penetrates through the second fastening hole (324) so that the second base plate (322) and the second clamping plate (323) clamp the dial indicator (40).
7. The alignment tool as claimed in claim 1, wherein the first support (11) comprises a base (111) and a measuring block (112), the base (111) and the measuring block (112) being connected, the dial indicator (40) being in contact with the measuring block (112).
8. The alignment tool as claimed in claim 7, wherein the base (111) comprises a first magnetic member (113), the bottom surface of the base (111) has a first magnetic member mounting groove (114) for mounting the first magnetic member (113), a first through hole (115) is formed at the bottom of the first magnetic member mounting groove (114), the measuring block (112) has a first threaded hole (116) corresponding to the first through hole (115), and a first screw (117) passes through the first through hole (115) and is connected with the first threaded hole (116) to fix the base (111) and the measuring block (112) together.
9. The alignment tool as claimed in claim 1, wherein the second support (12) comprises a first fixing seat (121) and a second fixing seat (122) which are vertically connected with each other, the gauge stand (30) is connected with the first fixing seat (121), the first fixing seat (121) is provided with a second magnetic member (123), and the second fixing seat (122) is provided with a third magnetic member (127).
10. The alignment tool as claimed in claim 9, wherein the ground of the first fixing seat (121) has a second magnetic member mounting groove (124) for mounting the second magnetic member (123), a second through hole (125) is formed at a bottom of the second magnetic member mounting groove (124), a second threaded hole (325) adapted to the second through hole (125) is formed in the gauge stand (30), and a second screw (128) passes through the second through hole (125) and is connected to the second threaded hole (325) so as to fix the second support (12) and the gauge stand (30) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437246.XA CN111238350B (en) | 2018-11-28 | 2018-11-28 | Alignment tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437246.XA CN111238350B (en) | 2018-11-28 | 2018-11-28 | Alignment tool |
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| CN111238350A true CN111238350A (en) | 2020-06-05 |
| CN111238350B CN111238350B (en) | 2022-05-10 |
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