CN212030434U - Small-size shaft coupling aligning device - Google Patents
Small-size shaft coupling aligning device Download PDFInfo
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- CN212030434U CN212030434U CN202020836219.6U CN202020836219U CN212030434U CN 212030434 U CN212030434 U CN 212030434U CN 202020836219 U CN202020836219 U CN 202020836219U CN 212030434 U CN212030434 U CN 212030434U
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- 238000010168 coupling process Methods 0.000 title claims abstract description 46
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 46
- 230000008878 coupling Effects 0.000 title claims abstract description 45
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 238000000691 measurement method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a small-size shaft coupling aligning device, including base, measuring staff, pole setting, first percentage table and second percentage table, measuring staff 2 is the cuboid that has certain width, height, the base is articulated with the measuring staff, the base sets up along two half shaft couplings radially, the measuring staff sets up along two half shaft couplings axially; the upright rod comprises a horizontal section and a vertical section which are integrally formed, and a measuring rod of the first dial indicator abuts against the side surface of the measuring rod after penetrating through the horizontal section; the measuring rod of the second dial indicator penetrates through the vertical section and abuts against the bottom surface of the measuring rod; and the vertical section of the vertical rod and the base are respectively fixed on the outer end faces of the two half couplers to be measured. The utility model discloses small-size shaft coupling aligning device has the reading accuracy, is applicable to the advantage of narrow and small space operation.
Description
Technical Field
The utility model relates to a shaft coupling alignment technique especially relates to a small-size shaft coupling alignment device.
Background
The rotation centers of two shafts connected with the couplings of the pump and the motor are strictly concentric, and the couplings must be accurately aligned and centered during installation, otherwise, the couplings cause great stress and seriously affect the normal work of the shafts, bearings and other parts on the shafts, and even cause vibration or damage of the whole machine and a foundation. Therefore, the alignment of the pump and motor couplings is one of the important work steps in the installation and maintenance process.
The centering and aligning methods of the coupling are currently roughly classified into two types:
1. direct measurement method
As shown in figure 1, the radial deviation of the coupling excircle in each direction is measured by an angle square 7 and a plug gauge 8, the axial clearance deviation between the end faces of the two half couplings is measured by the plug gauge, and the two shafts are centered by analysis and adjustment.
2. Single-meter double-strike method
As shown in fig. 2, two magnetometer stands and two dial gauges are respectively installed on two adjacent coupling halves. And rotating the two shafts to respectively measure radial displacement deviation on the corresponding couplers, and achieving centering of the two shafts through analysis and adjustment.
The direct measurement method in the centering and aligning methods of the two couplings has larger error and low accuracy; when the excircle and the inner hole of the coupler are not concentric, the single-meter double-driving method is greatly influenced by the processing precision of the coupler, and the adjustment result is not accurate; when the shaft diameter of the coupler is small, the magnetic meter seat has insufficient suction force and is easy to vibrate and even fall off by a single-meter double-strike method; when the single-meter double-printing method is used in small space, the operation is influenced and even cannot be finished
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small-size shaft coupling aligning device, the device has the reading accuracy, is applicable to the advantage of narrow and small space operation, has the problem that the error is big, the precision is poor, the narrow and small unable operation in space to the method of the centering alignment of current shaft coupling.
In order to achieve the above object, the utility model adopts the following technical scheme: a small coupler alignment device comprises a base, a measuring rod, a vertical rod, a first dial indicator and a second dial indicator, wherein the measuring rod is a cuboid with a certain width and a certain height, the base is hinged with the measuring rod, the base is arranged along the radial direction of two half couplers, and the measuring rod is arranged along the axial direction of the two half couplers;
the upright rod comprises a horizontal section and a vertical section which are integrally formed, and a measuring rod of the first dial indicator props against the side surface of the measuring rod after penetrating through the horizontal section and is used for measuring radial readings; the measuring rod of the second dial indicator penetrates through the vertical section, abuts against the bottom surface of the measuring rod and is used for side measurement axial reading, and the bottom surface of the measuring rod is the surface, deviating from the hinged end, of the measuring rod;
and the vertical section of the vertical rod and the base are respectively fixed on the outer end faces of the two half couplers to be measured.
Furthermore, the hinge hole of the base is a waist-shaped hole arranged along the length direction of the base, and the hinge hole of the measuring rod is a waist-shaped hole arranged along the length direction of the measuring rod. The setting in waist type hole can realize the fine setting of measuring staff and base length, can also satisfy the not unidimensional two half shaft couplings alignment's needs when being convenient for install, through the bolt in the adjustment hinge hole, can adjust the relative position between base and the measuring staff.
Furthermore, the vertical section of the vertical rod and the base are fixed on the outer end faces of the two half couplers to be measured through screws.
Further, the length of the measuring rod is larger than the width of one half coupling and smaller than the width of the two half couplings.
Further, after the measuring rod of the first dial indicator penetrates through the horizontal section, the measuring rod abuts against the side face, away from the two half couplers, of the measuring rod.
The utility model discloses small-size shaft coupling aligning device theory of operation, the utility model discloses a two tables alignment of method, the deviation value in shaft coupling excircle and the same position of terminal surface is measured respectively to two blocks of percentage tables of usefulness, also known as a measurement method, when measuring the radial reading in certain position promptly, measures the axial reading in same position. Based on the above principle, the utility model discloses change current magnetic gauge stand into the utility model discloses a specific frock including base, measuring staff and pole setting. During actual use, the base and the vertical section of the vertical rod are only required to be closed on the outer end face of the half coupling through corresponding bolts, and the two dial indicators are respectively arranged on two planes at one end of the measuring rod.
The utility model discloses small-size shaft coupling aligning device compares with prior art and has following advantage:
1) the small coupler alignment device of the utility model adopts the bolt fastening, thereby effectively avoiding the vibration of the magnetic meter base in the alignment process and ensuring more accurate reading;
2) the small coupler alignment device of the utility model provides a set of reasonable scheme for the alignment of the small coupler with insufficient space;
3) the utility model discloses a double-meter method does not receive the influence of shaft coupling machining precision. The base and the upright rod are fastened on the coupler by bolts, so that the base and the upright rod cannot vibrate or even fall off in the alignment process, and the measured value is inaccurate. The parts of the utility model can adopt small size, which satisfies the small space alignment requirement of the small-sized shaft coupling;
4) the arrangement of the measuring rod and the waist-shaped holes on the base can realize the fine adjustment of the length of the measuring rod and the length of the base, is convenient to install and can meet the alignment requirements of two half couplers with different sizes;
5) the utility model discloses small-size shaft coupling aligning device is whole low in cost, easy operation.
To sum up, the utility model provides a present shaft coupling alignment easily appear the inaccurate and narrow and small unable problem of operating space of reading, provide one set of complete scheme for small-size shaft coupling alignment. The utility model is suitable for a various shaft couplings alignment is particularly useful for the alignment of flange shaft coupling.
Drawings
FIG. 1 is a schematic diagram of a conventional direct measurement method;
FIG. 2 is a schematic structural diagram of a conventional single-table double-strike method;
fig. 3 is a schematic structural view of the small coupler alignment device of the present invention.
Detailed Description
The invention is further illustrated below with reference to the following examples:
example 1
The embodiment discloses a small-size shaft coupling aligning device, its structure is as shown in fig. 3, including base 1, measuring staff 2, pole setting 4, first percentage table 3 and second percentage table 5, measuring staff 2 is for having the cuboid of certain width, height, measuring staff 2's length is greater than a half coupling width, is less than two half coupling widths. The base 1 is hinged with the measuring rod 2, the base 1 is arranged along the radial direction of the two half couplers, and the measuring rod 2 is arranged along the axial direction of the two half couplers; the hinge hole of base 1 is the waist type hole that sets up along its length direction, the hinge hole of measuring staff 2 is the waist type hole that sets up along its length direction. The setting in waist type hole is used for satisfying the demand of the alignment of not unidimensional two halves shaft coupling, through the bolt in the adjustment hinge hole, can adjust the relative position between base 1 and measuring staff 2.
The vertical rod 4 comprises a horizontal section and a vertical section which are integrally formed, and the measuring rod of the first dial indicator 3 is abutted against the side surface of the measuring rod 2 departing from the two half couplers after penetrating through the horizontal section and is used for measuring radial readings; the measuring rod of the second dial indicator 5 penetrates through the vertical section, abuts against the bottom surface of the measuring rod 2 and is used for side measurement axial reading, and the bottom surface of the measuring rod 2 is the surface, deviating from the hinged end, of the measuring rod 2;
and the vertical section of the vertical rod 4 and the base 1 are fixed on the outer end faces of the two half couplers to be measured through screws.
The utility model discloses small-size shaft coupling aligning device theory of operation, the utility model discloses a two tables alignment of method, the deviation value in shaft coupling excircle and the same position of terminal surface is measured respectively to two blocks of percentage tables of usefulness, also known as a measurement method, when measuring the radial reading in certain position promptly, measures the axial reading in same position. Based on the above principle, the utility model discloses change current magnetic gauge stand into the utility model discloses a specific frock including base, measuring staff and pole setting. During the actual use, only need with the vertical section of base 1 and pole setting 4 with corresponding bolt handle close on 6 outer terminal surfaces of half-coupling, two percentage tables are beaten respectively on two planes of measuring staff 2 one end.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A small-sized coupler alignment device is characterized by comprising a base, a measuring rod, a vertical rod, a first dial indicator and a second dial indicator, wherein the base is hinged with the measuring rod, the base is arranged along the radial direction of two half couplers, and the measuring rod is arranged along the axial direction of the two half couplers;
the upright rod comprises a horizontal section and a vertical section which are integrally formed, and a measuring rod of the first dial indicator abuts against the side surface of the measuring rod after penetrating through the horizontal section; the measuring rod of the second dial indicator penetrates through the vertical section and abuts against the bottom surface of the measuring rod;
and the vertical section of the vertical rod and the base are respectively fixed on the outer end faces of the two half couplers to be measured.
2. The alignment device for the small shaft coupling as claimed in claim 1, wherein the hinge hole of the base is a waist-shaped hole along the length direction thereof, and the hinge hole of the measuring rod is a waist-shaped hole along the length direction thereof.
3. The small-sized coupler alignment device according to claim 1, wherein the vertical section of the vertical rod and the base are fixed on the outer end faces of the two half couplers to be measured by screws.
4. The miniature coupling alignment device of claim 1 wherein the length of said measuring rod is greater than one coupling half width and less than two coupling half widths.
5. The small coupling aligning apparatus of claim 1, wherein the measuring bar of the first dial indicator abuts against a side surface of the measuring bar facing away from the coupling halves after passing through the horizontal section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020836219.6U CN212030434U (en) | 2020-05-19 | 2020-05-19 | Small-size shaft coupling aligning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020836219.6U CN212030434U (en) | 2020-05-19 | 2020-05-19 | Small-size shaft coupling aligning device |
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CN212030434U true CN212030434U (en) | 2020-11-27 |
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CN202020836219.6U Active CN212030434U (en) | 2020-05-19 | 2020-05-19 | Small-size shaft coupling aligning device |
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2020
- 2020-05-19 CN CN202020836219.6U patent/CN212030434U/en active Active
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