CN103267465A - Device for synchronously measuring axial displacement and radial displacement of a rigid coupler - Google Patents
Device for synchronously measuring axial displacement and radial displacement of a rigid coupler Download PDFInfo
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- CN103267465A CN103267465A CN2013101661717A CN201310166171A CN103267465A CN 103267465 A CN103267465 A CN 103267465A CN 2013101661717 A CN2013101661717 A CN 2013101661717A CN 201310166171 A CN201310166171 A CN 201310166171A CN 103267465 A CN103267465 A CN 103267465A
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Abstract
The invention discloses a device for synchronously measuring axial displacement and radial displacement of a rigid coupler. The device comprises a supporting rod which is connected in opposite connecting holes of two half couplers in a penetrating mode, a support is fixedly installed on the supporting rod, an axial measuring device measuring the axial displacement of the coupler and a radial measuring device measuring the radial displacement of the coupler are arranged on the support, threads are arranged on the supporting rod, the supporting rod and the coupler are connected through a pair of nuts I which are arranged on the supporting rod and positioned on the two sides of the coupler, and the support is installed on the supporting rod in a sleeved mode and fixed through a pair of nuts II. The device is simple in structure and convenient to operate, by the adoption of the axial measuring device and the radial measuring device which are installed on the support, axial displacement deviations and radial displacement deviations of the rigid coupler can be measured simultaneously, accumulative errors caused by separated measuring are reduced to the maximum, and measurement accuracy is improved substantially.
Description
Technical field
The present invention relates to the survey instrument that uses when a kind of equipment is installed centering, a kind ofly specifically measure shaft coupling axially and the device of radial displacement.
Background technology
Shaft coupling is that two axles that connect in the different institutions make it common rotation to transmit the mechanical component of moment of torsion.Shaft coupling is made up of two halves, connects with main drive shaft and driven shaft respectively.Shaft coupling of a great variety, wherein positive coupling is widely used a kind of, it has non-maintaining, superpower anti-oil and characteristics such as corrosion-resistant, positive coupling is to be made of the rigidity force transmission element, when bearing load, there is not any revolution gap, even if when having deviation to produce load, positive coupling still is the rigid of transmission moment of torsion.
The adjustment of shaft coupling is one of important process of installing of machine, adjusts the position of shaft coupling two halves, and the center line of diaxon is on same straight line when making the main drive shaft that connects by shaft coupling and driven shaft in working order.Can the accuracy relation of adjusting run well to machine, and the machine that rotates at a high speed is even more important.Because can not relative motion between each connector of positive coupling, therefore the ability that does not possess compensation two axial lines relativity shift, coupled diaxon needs strict centering when mounted, diaxon can not produce relativity shift during work, if any deviation is arranged in the system, the capital causes axle, bearing or the too early damage of positive coupling, that is to say that it can't be used under the environment at a high speed, because it can't compensate the between centers relative displacement that produces owing to the generation high temperature that runs up.
Along with the develop rapidly of science and technology, big capacity, high parameter genset are owing to thermal efficiency height, the low main force's unit that becomes power plant's generating gradually of coal consumption.Along with the increase of unit capacity, unit physical dimension also increases gradually, and the length that corresponding axle is also increases gradually.Be example with the 1000MW supercritical unit, steam turbine is composed in series by an adverse current high pressure cylinder, a double-current intermediate pressure cylinder and two double-current low pressure (LP) cylinders, and the total length of axle system reaches 31.1m.Be subjected to the restriction of present mechanical processing technique level, the so long whole axle of axle system forges and is not easy to be realized, therefore a major axis is divided into several minor axises respectively processing be feasible relatively method, each minor axis then needs to use positive coupling to link up at last.How in a plurality of positive coupling connection process, to eliminate cumulative errors and become the ubiquity difficult problem that the long axis system unit runs into, because the quality that positive coupling connects directly has influence on the performance that whole axle is, and then finally influences Turbo-generator Set Vibration value, the thermal efficiency.Turbo-generator Set belongs to the superhigh precision erecting equipment, and is very high for the accuracy requirement of positive coupling, and general deviation all is unit with the silk, and 1 is 0.01mm.According to the requirement of 2006 editions " power engineering operation management methods up to standard ", after axle system connected, the axial displacement of positive coupling and radial displacement all should be not more than 3, and the value of rocking of front and back circumference should be not more than 2.
To the adjustment of turbodynamo positive coupling, the accurate adjustment of axial displacement and radial displacement separately carried out, and at first comments the designing requirement of standard or producer's drawing to determine axial displacement according to testing, and determines radial displacement more at present; Also can determine good radial displacement earlier, determine axial displacement again.The general dial gauge that adopts is measured in the installation adjustment process of positive coupling, unit clamp or magnetic force gauge stand are installed on the half a coupler of main drive shaft as benchmark, measure the radial play of the half a coupler on the driven shaft and the deviate of end play with dial gauge, determine axial displacement and radial displacement that the half a coupler on the driven shaft need be adjusted, pad or hammering method, lifting jack etc. make about the genset with adding, subtracting, move left and right, make the positive coupling right alignment reach request for utilization.When using dial gauge to measure, in the process of adjusting, often occur having adjusted when adjusting radial displacement again after qualified when axial displacement, owing to come off, human factor such as collision, make the axial displacement of having adjusted change, thereby need measure axial displacement again, adjust again; Perhaps radial displacement is adjusted when adjusting axial displacement again after qualified, and radial displacement changes.Adjust so repeatedly, the selected point when at every turn measuring on positive coupling is not unique, and the selected point on the benchmark is unfixing yet, increased the difficulty of installation, inefficiency has been wasted great amount of manpower and material resources, is seriously restricting carrying out smoothly of follow-up work.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of energy synchro measure positive coupling simple in structure, easy to use axially and the device of radial displacement.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The synchro measure positive coupling axially and the device of radial displacement, comprise the support bar of cross-under in the relative connecting hole of two half a couplers, fixed installation one support on the described support bar, the axial measurement mechanism of measuring shaft coupling axial displacement and the radial measurement device of measuring the shaft coupling radial displacement are set on the support, described support bar is provided with screw thread, support bar is connected by a pair of nut I that is positioned at the shaft coupling both sides on support bar with shaft coupling, and described support casing is contained on the support bar and by a pair of nut II and fixes.
Further improvement of the present invention is: described support is the L shaped structure at right angle, on two L shaped limits axial measurement mechanism and radial measurement device is set respectively, and wherein installation shaft is fixed on the support bar to the limit suit of measurement mechanism.
Further improvement of the present invention is: arrange respectively on two limits of described support a plurality of for installation shaft to measurement mechanism, radial measurement Unit Installation hole.
Further improvement of the present invention is: described axial measurement mechanism and radial measurement device are dial gauge.
Further improvement of the present invention is: the position corresponding with dial gauge is provided for the fixedly jackscrew of dial gauge respectively on the described support.
Further improvement of the present invention is: between described nut I and the coupling end-face plain cushion I is set.
Because the technical progress of having adopted technique scheme, the present invention to obtain is:
The present invention is simple in structure, and is easy to operate, and the present invention is fixed on the axial measurement mechanism on the support and radial measurement device on the support bar by a pair of nut II; Fixedly connected with positive coupling by support bar, a pair of plain cushion I and a pair of nut I, utilize rack-mount axial measurement mechanism and radial measurement device can measure axial displacement deviation and the radial displacement deviation of positive coupling simultaneously, reduce the cumulative errors that causes when separately measuring to greatest extent, increased substantially measuring accuracy.
Axial measurement mechanism of the present invention and radial measurement device be fixed on simultaneously do on the support as a whole, only need singlely just can operate, solved and needed many people synchronous operation in the past, precision and opportunity a uppity difficult problem, reduced working strength, save cost, improved work efficiency, guaranteed the accuracy of measurement data.
On two limits of L bracket a plurality of mounting holes are set, are respectively applied to installation shaft to measurement mechanism and radial measurement device, can satisfy the measurement requirement of different size shaft coupling, increased the scope of application of the present invention.The L shaped design compact overall structure of support is effectively utilized the space.Measurement mechanism is selected conventional dial gauge for use, makes that the present invention is easy to realize.The jackscrew apical grafting prevents that dial gauge produces shift in position in the measuring process on the sounding rod periphery of dial gauge, prevent error, guarantees that measurement result is accurate.
The plain cushion I is set between nut I and coupling end-face, when the clamp nut I, protects rigidity and protect coupling end-face, prevent from measuring adjustment process, damaging the surface of positive coupling, influence the dimensional accuracy of positive coupling.
Description of drawings
Fig. 1 is the front view of the present invention when using state;
Fig. 2 is that the present invention waits axis side view when using state.
Wherein, 1, positive coupling, 2, support bar, 3, the nut I, 4, the plain cushion I, 5, the radial measurement device, 6, axial measurement mechanism, 7, support, 8, the plain cushion II, 9, jackscrew, 10, nut II.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further details:
The synchro measure positive coupling axially and the device of radial displacement as shown in Figure 1, comprises support bar 2, is arranged on the radial measurement device 5 that is used for measuring the axial measurement mechanism 6 of axial deviation on the support 7 and is used for the measurement radial missing.
The cross-under when measuring of described support bar 2 arranges on the excircle of support bar 2 and is processed with screw thread in the corresponding bolt hole of two half a couplers.A pair of nut I 3 is set on the support bar 2, and nut I 3 is positioned at the both sides of positive coupling 1, and support bar 2 is fixedlyed connected with positive coupling 1.For preventing between positive coupling 1 side end face and nut I 3, plain cushion I 4 being set in the side end face of fastening nut I 3 time damage positive coupling 1.
Described support 7 is the L shaped structure at right angle, and two L shaped limits are respectively to side end face and periphery in requisition for the positive coupling of measuring 1, wherein with limit that the side end face parallels on installation shaft to measurement mechanism 6; Radial measurement device 5 is installed on another limit.Installation shaft is sleeved on the support bar 2 to the limit of measurement mechanism 6, and both sides are fixed on the support bar 2 by a pair of nut II 10.For strengthening fixed effect, also increase is provided with plain cushion II 8 between nut II 10 and support 7.For increasing general applicability of the present invention, on 7 two limits of described support, a plurality of mounting holes are set respectively, can be according to the needs chosen axis of different size positive coupling 1 to measurement mechanism 6 and radial measurement device 5 optimal installation sites when measuring.
Described axial measurement mechanism 6 and radial measurement device 5 are all selected conventional dial gauge for use.Central axis for the dial gauge of measuring the axial displacement deviation is parallel with the central axis of positive coupling 1, and the measuring head apical grafting of dial gauge is in the side end face of positive coupling 1; Central axis for the dial gauge of measuring radial missing is vertical with the central axis of positive coupling 1, and the measuring head apical grafting of dial gauge is at the periphery of positive coupling 1.Cause error for prevent that dial gauge from shaking when measuring, as shown in Figure 2, position corresponding with two dial gauges on support 7 is provided for the fixedly jackscrew 9 of dial gauge respectively.
Use the installation process before the present invention measures to be:
Earlier unit clamp or magnetic force gauge stand are arranged on the half a coupler that has fixedly mounted as benchmark, with second half equipped with it shaft coupling by corresponding bolt hole with fixedly connected as the half a coupler of benchmark after, finish tentatively being equipped with.At this moment, only need equipped part bolt to reach fixing the requirement and get final product, for example eight bolts hole only are equipped with four.
Select one arbitrarily in not equipped residue bolt hole, interspersed support bar 2 arranges plain cushion I 4, nut I 3 respectively successively in the both sides of positive coupling 1 in bolt hole, and support bar 2 is fixedlyed connected with positive coupling 1.The support bar 2 of half a coupler one end of measuring at needs is fixedlyed connected support 7 by plain cushion II 8 with nut II 10 afterwards, as required support 7 is arranged on the optimum position.After support 7 is fixed, respectively two dial gauges are installed in the mounting hole on 7 two limits of support, according to the position of mounting hole of the most suitable installation dial gauge of size Selection of positive coupling 1, the correspondence position of dial gauges being installed at support 7 is provided for the fixedly jackscrew 9 of dial gauge respectively at last.So far, installation process of the present invention is finished, and when mounted, should be noted that the central axis of the dial gauge that keeps measurement axial displacement deviation is parallel with the central axis of positive coupling 1; The central axis of the dial gauge of measurement radial missing is vertical with the central axis of positive coupling 1, to prevent occurring error in the measuring process, guarantees measuring accuracy.
After the installation of the present invention, starter motor makes axle and shaft coupling be in the low speed rotation state, begins to measure, when the axial displacement deviation that records when dial gauge and radial displacement deviation all meet request for utilization, stop the rotation, positive coupling 1 residue assembling is finished getting final product.If the data that measure have surpassed the deviation requirement, then need first loose nut I 3 and plain cushion I 4, the present invention is no longer fixedlyed connected with positive coupling 1, the bolt of tightening when becoming flexible preliminary being equipped with afterwards, genset is moved up and down carry out the adjustment of displacement with adding, subtract pad or hammering method, lifting jack etc., repeatedly repeat installation, measurement and adjustment process afterwards again, after final measurement reaches request for utilization, finish the residue assembling of positive coupling 1.
Claims (6)
1. the synchro measure positive coupling axially and the device of radial displacement, it is characterized in that: comprise the support bar (2) of cross-under in the relative connecting hole of two half a couplers, described support bar (2) is gone up fixed installation one support (7), the axial measurement mechanism (6) of measuring shaft coupling axial displacement and the radial measurement device (5) of measuring the shaft coupling radial displacement are set on the support (7), described support bar (2) is provided with screw thread, support bar (2) is connected by a pair of nut I (3) that is positioned at the shaft coupling both sides on support bar (2) with shaft coupling, and described support (7) is sleeved on support bar (2) and goes up and fix by a pair of nut II (10).
2. synchro measure positive coupling according to claim 1 axially and the device of radial displacement, it is characterized in that: described support (7) is the L shaped structure at right angle, axial measurement mechanism (6) and radial measurement device (5) are set respectively on two L shaped limits, and wherein installation shaft is fixed on the support bar (2) to the limit suit of measurement mechanism (6).
3. synchro measure positive coupling according to claim 2 axially and the device of radial displacement is characterized in that: arrange a plurality of for the mounting hole of installation shaft to measurement mechanism (6), radial measurement device (5) on two limits of described support (7) respectively.
Synchro measure positive coupling according to claim 3 axially and the device of radial displacement, it is characterized in that: described axial measurement mechanism (6) and radial measurement device (5) are dial gauge.
Synchro measure positive coupling according to claim 4 axially and the device of radial displacement, it is characterized in that: the position corresponding with dial gauge is provided for the fixedly jackscrew of dial gauge (9) respectively on the described support (7).
6. according to each described synchro measure positive coupling of claim 1～5 axially and the device of radial displacement, it is characterized in that: plain cushion I (4) is set between described nut I (3) and the coupling end-face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166171.7A CN103267465B (en) | 2013-05-08 | 2013-05-08 | The device of synchro measure positive coupling axis and radial displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166171.7A CN103267465B (en) | 2013-05-08 | 2013-05-08 | The device of synchro measure positive coupling axis and radial displacement |
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| CN103267465A true CN103267465A (en) | 2013-08-28 |
| CN103267465B CN103267465B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310166171.7A Active CN103267465B (en) | 2013-05-08 | 2013-05-08 | The device of synchro measure positive coupling axis and radial displacement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141534A (en) * | 2014-06-30 | 2014-11-12 | 潍柴动力股份有限公司 | Method and device for centering diesel engine and driven equipment |
| CN104931880A (en) * | 2015-06-02 | 2015-09-23 | 苏州工业园区聚博精密设备有限公司 | Motor rotor intelligent deflection test system |
| CN105043193A (en) * | 2015-05-25 | 2015-11-11 | 沈阳工业大学 | Quick installation and adjustment device for torque and rotating speed sensor |
| CN106931864A (en) * | 2017-03-22 | 2017-07-07 | 苏本涛 | A kind of clipping fixing device of shaft coupling alignment dial gauge |
| CN110146001A (en) * | 2019-05-30 | 2019-08-20 | 峦阳机电科技(上海)有限公司 | A kind of concentricity of coupling apparatus for correcting |
| CN117825045A (en) * | 2024-02-26 | 2024-04-05 | 南京威慈德传动机械有限公司 | Synchronous detection device for high-torque coupling |
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| US4367594A (en) * | 1980-01-14 | 1983-01-11 | Murray Jr Malcolm G | Alignment system |
| CN201497480U (en) * | 2009-08-13 | 2010-06-02 | 上海高桥捷派克石化工程建设有限公司 | Device for calibrating concentricity of coupling |
| CN201535662U (en) * | 2009-07-31 | 2010-07-28 | 山东华联矿业股份有限公司 | Radial and axial calibration dial rack for coupler |
| CN202074937U (en) * | 2011-05-24 | 2011-12-14 | 上海东方泵业(集团)有限公司 | Indicator support for adjustment of concentricity of coupler |
| CN102312927A (en) * | 2010-06-30 | 2012-01-11 | 中国华冶科工集团有限公司 | Aligning method of concentricity of coupling |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367594A (en) * | 1980-01-14 | 1983-01-11 | Murray Jr Malcolm G | Alignment system |
| CN201535662U (en) * | 2009-07-31 | 2010-07-28 | 山东华联矿业股份有限公司 | Radial and axial calibration dial rack for coupler |
| CN201497480U (en) * | 2009-08-13 | 2010-06-02 | 上海高桥捷派克石化工程建设有限公司 | Device for calibrating concentricity of coupling |
| CN102312927A (en) * | 2010-06-30 | 2012-01-11 | 中国华冶科工集团有限公司 | Aligning method of concentricity of coupling |
| CN202074937U (en) * | 2011-05-24 | 2011-12-14 | 上海东方泵业(集团)有限公司 | Indicator support for adjustment of concentricity of coupler |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141534A (en) * | 2014-06-30 | 2014-11-12 | 潍柴动力股份有限公司 | Method and device for centering diesel engine and driven equipment |
| CN104141534B (en) * | 2014-06-30 | 2016-09-07 | 潍柴动力股份有限公司 | A kind of diesel engine and the centering method of slave equipment and device |
| CN105043193A (en) * | 2015-05-25 | 2015-11-11 | 沈阳工业大学 | Quick installation and adjustment device for torque and rotating speed sensor |
| CN104931880A (en) * | 2015-06-02 | 2015-09-23 | 苏州工业园区聚博精密设备有限公司 | Motor rotor intelligent deflection test system |
| CN106931864A (en) * | 2017-03-22 | 2017-07-07 | 苏本涛 | A kind of clipping fixing device of shaft coupling alignment dial gauge |
| CN110146001A (en) * | 2019-05-30 | 2019-08-20 | 峦阳机电科技(上海)有限公司 | A kind of concentricity of coupling apparatus for correcting |
| CN117825045A (en) * | 2024-02-26 | 2024-04-05 | 南京威慈德传动机械有限公司 | Synchronous detection device for high-torque coupling |
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| Publication number | Publication date |
|---|---|
| CN103267465B (en) | 2015-11-25 |
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Address after: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: China Electric Power Construction Group Hebei electric survey and Design Research Institute Co., Ltd. Address before: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: Hebei Province Power Surveying Design & Research Institute |
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