CN110542558A - Rotor detection device and detection method thereof - Google Patents
Rotor detection device and detection method thereof Download PDFInfo
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- CN110542558A CN110542558A CN201910827617.3A CN201910827617A CN110542558A CN 110542558 A CN110542558 A CN 110542558A CN 201910827617 A CN201910827617 A CN 201910827617A CN 110542558 A CN110542558 A CN 110542558A
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- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
Abstract
The invention relates to a rotor detection device and a detection method thereof, the detection device comprises a rotating force output shaft, a noise detector and a clamp, wherein a clamping ring for radially clamping a rotor is arranged in the clamp, a shaft part of the rotating power output shaft is provided with a positioning part matched with the clamping ring in a clamping state on the clamp, when the clamp is adjusted to enable the clamping ring to be in sleeve fit with the positioning part of the rotating power output shaft, the clamping ring in the clamp and the rotating power output shaft form centering, after the centering operation, at least three random rotors to be detected are taken and clamped in the clamping ring one by one, only the clamp is moved, one end of the rotor is enabled to be in plug-in centering test with a rubber coupling shaft sleeve at the end part of the rotating power output shaft, and when more than 90% of the rotors are in. After the centering is qualified, the noise detector performs noise test by abutting the detection head of the noise detector against the circumferential surface of the non-rotating outer sleeve of the rotor to be tested, so that the quality of the rotor is detected, the detection result is accurate, and the efficiency is high.
Description
Technical Field
The invention relates to mechanical detection equipment, in particular to a rotor detection device and a detection method thereof.
Background
The rotor refers to a rotating body supported by a bearing, and is mostly a main rotating part in a power machine and a working machine. With the continuous development of the field of machinery, machines running at high speed are more and more, so that the requirements on the rotor are higher and higher, and meanwhile, higher requirements on equipment for detecting the rotor are also provided. The existing method for detecting the rotor mainly detects the quality of the rotor through noise and vibration tests. Before noise or vibration testing, the rotor and the rotary power part need to be in transmission connection, and the rotor and the rotary power part need to be centered during transmission connection, so that transmission errors are reduced, and the reliability and the accuracy of detection are guaranteed. However, the existing centering between the rotor clamp and the rotary power component usually depends on the clamp to clamp the standard rotor component for centering test, when the clamp and the rotary power component have no problem, the centering test mode is feasible, but after the equipment is used for a long time, the centering test performed by the clamping standard rotor component is obviously inaccurate under the condition that whether the rotary power component or the clamp is obviously worn or deformed, once the centering is not satisfactory, the subsequent test has deviation, and the accuracy and the authenticity of the detection result are influenced. For this reason, improvement in reliability in the detection of the existing rotor is desired.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a rotor detection device and a detection method thereof for the field, so that the technical problems that the detection reliability and accuracy of the conventional similar rotor detection equipment are poor and the qualification rate is influenced are solved. The purpose is realized by the following technical scheme.
A rotor detection device comprises a machine body, a noise detector and a clamp, wherein the machine body is provided with a power mechanism for driving a rotor to rotate and a machine table for horizontally positioning the clamp, the power mechanism comprises a rotary power output shaft and a rubber coupling sleeve, one end of the rubber coupling sleeve is fixedly centered and sleeved with the output end of the rotary power output shaft, the other end of the rubber coupling sleeve is provided with a jack which is aligned, inserted and linked with one end of a rotating shaft of the rotor on the clamp, the clamp comprises an adjusting machine base which is adjusted along a space rectangular coordinate system X, Y, Z in a three-way mode, and a clamping mechanism which is positioned at the upper end of the adjusting machine base and used for clamping and positioning the rotor, the adjustment in the X direction and the Y direction of the adjusting machine base refers to the horizontal adjustment along the machine table, the X direction corresponds to the axial; the clamping mechanism is characterized in that a clamping ring for radially clamping the rotor when the clamping mechanism clamps the rotor is arranged in the clamping mechanism, a positioning part matched with the clamping ring in a clamping state is arranged on the shaft part of the rotary power output shaft, and when the base is adjusted to enable the clamping ring to be in sleeve joint with the positioning part of the rotary power output shaft, the clamping ring in the clamp and the rotary power output shaft form centering. Through the structure, the centering of the clamping ring in the rotary power output shaft and the clamp can be easily realized, so that the centering state of the rubber coupling sleeve of the rotary power output shaft and the rotor in the clamping ring can be conveniently detected, the centering transmission stability and reliability between the rotor and the rotary power output shaft are ensured, and the rotor detection result is more accurate.
When the clamping ferrule is matched with the positioning part of the rotary power output shaft, a non-deformed ferrule standard part is clamped in the clamping ferrule, and the ferrule standard part and the positioning part form centering, sleeving and positioning. Through the structure, the influence of the deformation error of the clamped clamping ring on the centering operation of the clamping ring and the positioning part can be effectively reduced.
The shaft part of the rotary power output shaft is provided with a positioning part which is replaced by the shaft sleeve part of the rubber coupling sleeve. Through the structure, the aims of centering transmission of the rotary power output shaft and the rotor and detection of a centering state can be fulfilled.
The adjusting machine base comprises a base and an adjusting base, the base and the machine base are fixed through adjusting bolts, bolt adjusting holes used for connecting the adjusting bolts and forming X-direction guiding for the adjusting bolts are formed in two sides of the base, and a guiding slide block groove used for forming X-direction guiding for a slide block on the upper end face of the machine base is formed in the bottom of the base; a vertical plate arranged in the Z direction is fixedly arranged on the upper end surface of the base, a slide bar guide hole which is arranged in a run-through manner and forms Y-direction guide is formed in the vertical plate along the X direction, a screw rod A which is positioned and rotated is arranged in the Y direction in the vertical plate, one end of the screw rod A extends into the slide bar guide hole, and the other end of the screw rod A extends out of the vertical plate to be connected with a Y-; a slide block A arranged along the Y direction is arranged on the inner side surface of the vertical plate along the X direction, a slide groove A which is matched with the slide block A and is guided along the Y direction is arranged on one side surface of the adjusting seat, a slide rod which extends into the slide rod guide hole and slides along the Y direction in a limiting way is convexly arranged at the slide groove A, and a screw hole which is arranged along the Y direction and is in threaded transmission with the screw rod A is formed in the slide rod; the other side surface of the adjusting seat, which is far away from the sliding chute A, is provided with a Z-direction sliding chute B, the bottom of the clamping mechanism is provided with a vertical support, and the inner side surface of the vertical support is provided with a sliding block B which is matched with the sliding chute B and is guided in the Z direction; an inwards concave transmission cavity is formed in one side face where the sliding groove B is located in the adjusting seat, a positioning rotating shaft rod is arranged on the adjusting seat along the Y direction, one end of the shaft rod extends into the transmission cavity and is connected with a worm, the other end of the shaft rod extends out of the outer side face of the adjusting seat and is fixedly connected with a Z-direction adjusting knob, a positioning rotating screw rod B is arranged on the adjusting seat along the Z direction, one end of the screw rod B extends into the transmission cavity and is connected with a turbine, the worm is in transmission fit with the turbine, and the other end of the screw rod B extends out of the adjusting seat and is in threaded; the top of the clamping mechanism is provided with a positioning seat and a clamping block, namely a clamping hole for clamping the clamping ferrule is formed between the positioning seat and the clamping block, one end of the clamping block is in positioning hinge connection with the positioning seat, and the other end of the clamping block is locked and fixed with the positioning seat through a bolt. The structure is a concrete structure of the clamp, the whole structure is stable, the adjusting operation is reliable and convenient, and the accuracy of rotor quality detection is ensured.
The sliding groove A and the sliding groove B are dovetail sliding grooves and correspond to the sliding block A and the sliding block B which are dovetail sliding blocks, the sliding rod and the adjusting seat are positioned in a cross-connection mode, namely, one end of the sliding rod is provided with a limiting rotation stopping block, the sliding groove B of the adjusting seat is provided with a rotation stopping limiting groove which is matched with the limiting rotation stopping block to form rotation stopping limiting, and the other end of the sliding rod penetrates through the adjusting seat and extends into the sliding rod guide hole. Through this structure, improve the stability that the seat was adjusted, and make things convenient for the dismouting.
The clamping mechanism comprises a connecting block A and a connecting block B, the connecting block A and the positioning seat are fixedly connected into a whole, the connecting block B and the vertical support are connected into a whole, and the connecting block A and the connecting block B are locked and fixed through bolt pieces. Through this structure, the convenient positioning seat, the tight piece of clamp of dismantling or changing clamping mechanism as required.
The adjusting seat is towards a side fixed connection limiting plate in the Y direction, the limiting plate is provided with a limiting sliding hole in the Z direction, a limiting knob in sliding fit is arranged in the limiting sliding hole, one end of the limiting knob is a knob end, the other end of the limiting knob is a threaded end, the knob end is limited outside the limiting sliding hole, and the threaded end passes through the limiting sliding hole and then is locked with the locking hole corresponding to the vertical support in a threaded mode. Through this structure, Z to adjusting to anchor clamps forms effectual spacing, prevents to appear Z to the problem of adjusting the slippage.
The screw A is positioned and rotated relative to the vertical plate by the structure that: the side of riser towards Y is through screw fixed connection has the screw rod positioning seat of spacing notch, and screw rod A's pole portion is equipped with spacing portion in the spacing notch of screw rod positioning seat, and screw rod positioning seat is worn out in screw rod A one end activity and through pin fixed connection Y to adjust knob, and Y is spacing in screw rod positioning seat lateral surface to adjust knob. The structure is simple, and the assembly and the connection are convenient.
the positioning and rotating structure of the shaft lever and the screw B relative to the adjusting seat is as follows: the shaft lever and the worm as well as the screw B and the worm wheel are fixed through pins, and the fixed worm wheel and the worm are limited in the transmission cavity. The structure is simple, and the assembly and the connection are convenient.
The detection method of the rotor detection device comprises the following operation steps:
Step one, centering operation, namely adjusting an adjusting base of the clamp along the Y direction and the Z direction, so that when the clamp moves in place along the X direction, a clamping ferrule clamped on the clamp and a positioning part of the rotary power output shaft form nesting positioning, and after the nesting positioning, keeping the current Y direction and Z direction adjusting state of the adjusting base and moving reversely to an initial position along the X direction;
Checking centering operation, namely taking at least three random rotors to be detected, clamping and positioning the rotors in a clamping ring of the clamp one by one, pushing the clamp to move along the X direction, so that a rotating shaft at one end of each rotor is inserted into a rubber coupling sleeve at the end part of the rotary power output shaft, and if more than half of the rotors cannot be inserted in the centering way, replacing the rubber coupling sleeves at least once; if more than half of the rotors cannot be inserted after replacement, replacing the clamping collar at least once, and performing the operation in the step two again; if more than half of the rotors cannot be inserted, replacing the rotary power output shaft at least once, and after the operation in the step one pair is carried out again, carrying out the operation in the step two again until more than 90% of the randomly taken rotors finish insertion centering, and finishing centering detection;
After centering detection is finished, testing the rotors to be detected one by one, clamping and positioning the rotors to be detected in clamping rings of the clamp, then pushing the clamp to enable a rotating shaft of the rotors to be in plug-in linkage with the rubber coupling sleeve, starting a rotary power output shaft of the machine body to drive the rotors to rotate, enabling a detection head of the noise detector to be in abutting contact with the peripheral surface of a non-rotating outer sleeve of the rotors, namely judging the quality of the rotors by detecting the noise value of the working rotors, resetting the clamp after detection of one rotor is finished, replacing the next rotor to be detected, and repeating the operation to realize detection of all the rotors to be detected; the noise detector always keeps a detection position state after the first rotor to be detected finishes detection until all the rotors to be detected reset after detection finishes.
The invention has compact integral structure, can realize the centering connection between the rotor and the transmission part after the rotor is clamped on the clamp, is convenient for detecting the centering state, thereby ensuring the reliability of the rotor detection and the accuracy of the result, has simple and efficient detection process, and is suitable for being used as a detection device of various rotors or the structural improvement of the similar device.
Drawings
Fig. 1 is a schematic diagram of a partially exploded structure of the clamp of the present invention.
Fig. 2 is a schematic front view of the clamp of the present invention.
Fig. 3 is a schematic structural view of the surface of the adjusting seat sliding groove B of the clamp.
Fig. 4 is a schematic perspective view of the clamp of the present invention.
Fig. 5 is a structural diagram of the detection state of the present invention.
FIG. 6 is a schematic view of the alignment of the rotary power take-off shaft with the clamping collar in the clamp of the present invention.
fig. 7 is a schematic view of the alignment of the rubber coupling sleeve with the rotor shaft on the fixture according to the present invention.
The sequence numbers and names in the figure are: 1. a base, 101, a bolt adjusting hole, 102, a guide slide block groove, 2, a vertical plate, 201, a slide rod guide hole, 202, a slide block A, 3, a screw rod A, 4, a screw rod positioning seat, 401, a limit notch, 5, a Y-direction adjusting knob, 6, an adjusting seat, 601, a slide groove A, 602, a slide groove B, 603, a slide rod, 604, a screw hole, 605, a transmission cavity, 606, a rotation stop limit groove, 7, a Z-direction adjusting knob, 8, a screw rod B, 9, a limit plate, 901, a limit slide hole, 10, a limit knob, 11, a vertical bracket, 1101, a slide block B, 1102, a locking hole, 12, a connecting block B, 13, a connecting block A, 14, a positioning seat, 15, a clamping ring, 16, a clamping block, 17, a bolt, 1701, a bolt wrench, 18, a shaft lever, 19, a worm, 20, a turbine, 21, a machine body, 2101, a machine table, 22, a rotary power output shaft, 25. noise detector, 26, rotor.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 5-7, the rotor detection device includes a machine body 21, a noise detector 25, and a fixture, where the machine body is provided with a power mechanism for driving the rotor to rotate, and a machine platform 2101 for horizontally positioning the fixture, the power mechanism includes a rotary power output shaft 22 and a rubber coupling sleeve 24, one end of the rubber coupling sleeve is fixed to the output end of the rotary power output shaft in a centering and sleeving manner, the other end of the rubber coupling sleeve is provided with a jack in a centering and inserting linkage with one end of a rotating shaft of the rotor on the fixture, the fixture includes an adjusting machine base with three-way adjustment along a spatial rectangular coordinate system X, Y, Z, and a clamping mechanism located at the upper end of the adjusting machine base for clamping and positioning the rotor, the X-direction and Y-direction adjustment of the adjusting machine base refer to horizontal adjustment along the machine platform, where the X-direction. The clamping mechanism is internally provided with a clamping ferrule 15 which radially clamps the rotor when the clamping mechanism clamps, the shaft part of the rotary power output shaft is provided with a positioning part 23 matched with the clamping ferrule in a clamping state, and when the adjusting machine base is adjusted to enable the clamping ferrule to be sleeved and matched with the positioning part of the rotary power output shaft, the clamping ferrule in the clamp and the rotary power output shaft form centering.
In addition to the above structure, a non-deformable standard ferrule may be designed, and by placing the standard ferrule in the clamping ferrule 15, when the clamping ferrule is clamped by the clamp, the clamping ferrule clamps the standard ferrule, and the standard ferrule is engaged with the positioning portion 23 of the rotary power output shaft 22, so that the centering accuracy is higher and more accurate than the above case where the clamping ferrule is directly engaged with the rotary power output shaft.
Furthermore, the above-mentioned structure of the positioning portion 23 on the shaft portion of the rotary power output shaft 22 may be replaced by a structure of the positioning portion on the sleeve portion of the rubber coupling sleeve 24, and this structure can also achieve the purpose of centering and driving the rotary power output shaft and the rotor 26, and detecting the centering state.
As shown in fig. 1-4, the fixture includes an adjusting base and a clamping mechanism, the adjusting base includes a base 1 and an adjusting base 6, the base and the machine base 2101 are fixed by an adjusting bolt, bolt adjusting holes 101 for connecting the adjusting bolt and forming an X-direction guide for the adjusting bolt are disposed on both sides of the base, and a guide slider slot 102 for forming an X-direction guide for a slider on an upper end surface of the machine base is disposed at the bottom of the base. The X-direction adjusting structure is formed, and when the X-direction adjusting clamp is used, the X-direction movement adjustment of the clamp can be realized by tightly tightening the adjusting bolt.
The fixed riser 2 that is equipped with Z to the setting of base up end, the riser is equipped with along X to link up the setting and form Y to the slide bar guiding hole 201 of direction, and the riser is followed Y to being equipped with the rotatory screw rod A3 in location, and the rotatory concrete structure in location is: the screw rod positioning seat 4 that has spacing notch 401 is passed through screw fixed connection towards Y side to the riser, and screw rod A's pole portion is equipped with spacing portion in the spacing notch of screw rod positioning seat, and screw rod positioning seat is worn out in screw rod A one end activity and to adjust knob 5 through pin fixed connection Y, and Y is spacing in screw rod positioning seat lateral surface to adjust knob, and in the slide bar guiding hole was stretched into in the activity of the screw rod A other end, realized promptly above that screw rod A is rotatory for the riser location. The riser is equipped with along Y to the slider A202 that sets up along X to the medial surface, adjusts a side and is Y to the spout A601 of direction with slider A cooperation, and spout A department arch is equipped with and stretches into in the slide bar guiding hole to form Y along the slide bar guiding hole to spacing gliding slide bar 603, the slide bar be equipped with along Y to setting up and with screw A screw thread drive's screw 604. When the Y-direction adjusting structure is used, the Y-direction adjusting knob is screwed to drive the screw A and the slide rod to form thread transmission, the slide rod forms Y-direction adjustment along the slide rod guide hole, and the adjusting seat drives the clamp to form Y-direction adjustment.
The other side of adjusting the seat and deviating from spout A is equipped with Z to the spout B602 that sets up, and above-mentioned clamping mechanism bottom is equipped with vertical support 11, and the vertical support medial surface is equipped with and is Z to the slider B1101 that leads with spout B cooperation. A side face where the sliding groove B is located in the adjusting seat is provided with an inwards concave transmission cavity 605, the adjusting seat is provided with a shaft rod 18 for positioning and rotating along the Y direction, one end of the shaft rod extends into the transmission cavity and is fixedly connected with a worm 19 through a pin, the other end of the shaft rod extends out of the outer side face of the adjusting seat and is fixedly connected with a Z direction adjusting knob 7, the adjusting seat is provided with a screw rod B8 for positioning and rotating along the Z direction, one end of the screw rod B extends into the transmission cavity and is fixedly connected with a turbine 20 through a pin, the worm is in transmission fit. The other end of the screw B extends out of the adjusting seat and forms threaded transmission fit with a threaded hole formed in the bottom of the clamping mechanism along the Z direction. The Z-direction adjusting structure is formed, when the Z-direction adjusting structure is used, the Z-direction adjusting knob is screwed to drive the shaft rod and the worm to rotate, the worm drives the turbine and the screw B to rotate, and finally the screw B drives the clamp to achieve Z-direction lifting adjustment.
among the above-mentioned Z is to adjusting the structure, still include limit structure, specifically be: adjusting seat 6 is towards Y side fixed connection limiting plate 9 to, and the limiting plate is equipped with spacing slide opening 901 that the Z set up to, sets up sliding fit's spacing knob 10 in the spacing slide opening, and spacing knob one end is the knob end, and the other end is the screw thread end, and the knob end limit is located the spacing slide opening outside, and the screw thread end passes behind the spacing slide opening and locks with the locking hole 1102 screw thread that vertical support 11 corresponds.
the top of the clamping mechanism is provided with a positioning seat 14 and a clamping block 16, namely, a clamping hole for clamping a clamping ferrule 15 is formed between the positioning seat and the clamping block, one end of the clamping block is hinged to the positioning seat in a positioning mode, the other end of the clamping block and the positioning seat are locked and fixed through a bolt, the bolt head of the bolt is a hexagon socket hole and used for being connected with a hexagon wrench, and the clamping block and the positioning seat are clamped tightly through operating the hexagon wrench. Above-mentioned clamping mechanism still includes connecting block A12 and connecting block B13, and connecting block A is fixed even as an organic whole with the positioning seat, and connecting block B is even as an organic whole with vertical support, and it is fixed to lock through bolt between connecting block A and the connecting block B.
The sliding groove A601 and the sliding groove B602 are both dovetail sliding grooves, the corresponding sliding block A202 and the sliding block B1101 are both dovetail sliding blocks, the sliding rod 603 and the adjusting seat 6 are positioned in a penetrating manner, namely, one end of the sliding rod is provided with a limiting rotation stopping block, the surface of the sliding groove B of the adjusting seat is provided with a rotation stopping limiting groove 606 which is matched with the limiting rotation stopping block to form rotation stopping limiting, and the other end of the sliding rod penetrates through the adjusting seat and extends into the sliding rod guide hole 201. Through this structure, improve the stability that the seat was adjusted, and make things convenient for the dismouting.
The detection method for detecting the rotor by the rotor comprises the following operation steps:
Step one, centering operation, namely adjusting an adjusting base of the clamp along the Y direction and the Z direction, when the clamp moves in place along the X direction, a clamping ferrule 15 clamped on the clamp and a positioning part 23 of a rotary power output shaft 22 form a sleeving positioning, after the sleeving positioning, the current Y direction and Z direction adjusting state of the adjusting base is maintained, and the adjusting base moves reversely along the X direction to an initial position.
Checking centering operation, namely taking at least three random rotors 26 to be tested, clamping and positioning the rotors in a clamping ring 15 of a clamp one by one, pushing the clamp to move along the X direction, enabling a rotating shaft at one end of each rotor to be inserted into a rubber coupling sleeve 24 at the end part of a rotary power output shaft 22, and if more than half of the rotors cannot be inserted in the centering way, replacing the rubber coupling sleeves at least once; if more than half of the rotors cannot be inserted in the center after replacement, replacing the clamping ring at least once, and performing the operation in the second step after the operation in the first step is performed again; and if more than half of the rotors cannot be inserted in the centering way, replacing the rotary power output shaft at least once, and performing the operation in the step two again until more than 90% of the randomly taken rotors are inserted and centered, and finishing centering detection.
And step three, after the centering detection is finished, testing the rotors 26 to be detected one by one, clamping and positioning the rotors to be detected in the clamping ring 15 of the clamp, then pushing the clamp to enable the rotating shaft of the rotors to be in plug-in linkage with the rubber coupling sleeve 24, opening the rotary power output shaft 22 of the machine body 21 to drive the rotors to rotate, enabling the detection head of the noise detector 25 to be in contact with the non-rotating outer circumferential surface of the rotors in a propping manner, namely judging the quality of the rotors by detecting the noise value of the working rotors, after the detection of one rotor is finished, resetting the clamp along the X direction, replacing the next rotor to be detected, and repeating the operations to realize the detection of all the rotors to be detected. The noise detector always keeps a detection position state after the first rotor to be detected finishes detection until all the rotors to be detected reset after detection finishes.
The above description is intended to illustrate the technical means of the present invention, and not to limit the technical scope of the present invention. Obvious modifications or alterations to the present invention in combination with the prior art knowledge will be apparent to those skilled in the art and fall within the scope of the appended claims.
Claims (10)
1. a rotor detection device comprises a machine body (21), a noise detector (25) and a clamp, wherein the machine body is provided with a power mechanism for driving a rotor (26) to rotate, and a machine table (2101) for horizontally positioning the clamp, wherein the power mechanism comprises a rotary power output shaft (22) and a rubber coupling sleeve (24), one end of the rubber coupling sleeve is fixed with the output end of the rotary power output shaft in a centering and sleeving manner, the other end is provided with a jack which is linked with one end of a rotating shaft of a rotor on the clamp in a centering and inserting manner, the fixture comprises an adjusting base with three-directional adjustment along a space rectangular coordinate system X, Y, Z, and a clamping mechanism which is positioned at the upper end of the adjusting machine base and is used for clamping and positioning the rotor, wherein the X-direction and Y-direction adjustment of the adjusting machine base refers to horizontal adjustment along the machine base, the X direction corresponds to the axial direction of the rotary power output shaft, and the Z direction adjustment of the adjusting base refers to the vertical adjustment along the machine table; the clamping mechanism is characterized in that a clamping ferrule (15) which radially clamps a rotor (26) when the clamping mechanism clamps the rotor is arranged in the clamping mechanism, a positioning part (23) matched with the clamping ferrule in a clamping state is arranged on the shaft part of the rotary power output shaft (22), and when the adjusting machine base is adjusted to enable the clamping ferrule to be in sleeve fit with the positioning part of the rotary power output shaft, the clamping ferrule in the clamp and the rotary power output shaft form centering.
2. The rotor testing rotor according to claim 1, characterized in that when the clamping collar (15) is engaged with the positioning portion (23) of the rotary power output shaft (22), a non-deformed collar standard member is clamped in the clamping collar, and the collar standard member and the positioning portion form a centering and engaging positioning.
3. The rotor detecting device according to claim 1 or 2, characterized in that a shaft portion of the rotary power output shaft (22) is provided with a positioning portion (23) instead of a boss portion of the rubber coupling boss (24).
4. The rotor detection device according to claim 1, wherein the adjusting base comprises a base (1) and an adjusting base (6), the base and the machine platform (2101) are fixed through adjusting bolts, bolt adjusting holes (101) for connecting the adjusting bolts and forming X-direction guiding for the adjusting bolts are arranged on two sides of the base (1), and a guide slider groove (102) for forming X-direction guiding for a slider on the upper end surface of the machine platform is arranged at the bottom of the base; a vertical plate (2) arranged in the Z direction is fixedly arranged on the upper end surface of the base, a slide bar guide hole (201) which is arranged in a run-through manner and forms Y direction guide is formed in the vertical plate along the X direction, a screw rod A (3) which is positioned and rotated is arranged in the Y direction in the vertical plate, one end of the screw rod A extends into the slide bar guide hole, and the other end of the screw rod A extends out of the vertical plate to be connected with a Y direction; a slide block A (202) arranged along the Y direction is arranged on the inner side surface of the vertical plate along the X direction, a slide groove A (601) which is matched with the slide block A and is guided along the Y direction is arranged on one side surface of the adjusting seat, a slide rod (603) which extends into the slide rod guide hole and slides along the Y direction in a limiting way is convexly arranged at the slide groove A, and a screw hole (604) which is arranged along the Y direction and is in threaded transmission with the screw rod A is formed in the slide rod; the other side surface of the adjusting seat, which is far away from the sliding chute A, is provided with a sliding chute B (602) arranged in the Z direction, the bottom of the clamping mechanism is provided with a vertical support (11), and the inner side surface of the vertical support is provided with a sliding block B (1101) which is matched with the sliding chute B and is guided in the Z direction; a concave transmission cavity (605) is formed in one side face where the sliding groove B is located in the adjusting seat, a positioning rotating shaft rod (18) is arranged on the adjusting seat along the Y direction, one end of the shaft rod extends into the transmission cavity and is connected with a worm (19), the other end of the shaft rod extends out of the outer side face of the adjusting seat and is fixedly connected with a Z-direction adjusting knob (7), a positioning rotating screw rod B (8) is arranged on the adjusting seat along the Z direction, one end of the screw rod B extends into the transmission cavity and is connected with a turbine (20), the worm is in transmission fit with the turbine, and the other end of the screw rod B extends out of the adjusting seat and is; the top of the clamping mechanism is provided with a positioning seat (14) and a clamping block (16), namely a clamping hole for clamping the clamping ferrule is formed between the positioning seat and the clamping block, one end of the clamping block is positioned and hinged with the positioning seat, and the other end of the clamping block is locked and fixed with the positioning seat through a bolt.
5. The rotor detection device according to claim 4, wherein the sliding groove A (601) and the sliding groove B (602) are both dovetail sliding grooves, and corresponding to the sliding block A (202) and the sliding block B (1101), the sliding rod (603) and the adjusting seat are positioned in a cross-connection manner, that is, one end of the sliding rod is provided with a limit rotation stop block, the surface of the sliding groove B of the adjusting seat is provided with a rotation stop limit groove (606) which is matched with the limit rotation stop block to form rotation stop limit, and the other end of the sliding rod penetrates through the adjusting seat and extends into the guide hole of the sliding rod.
6. The rotor detection device according to claim 4, wherein the clamping mechanism comprises a connecting block A (12) and a connecting block B (13), the connecting block A is fixedly connected with the positioning seat (14) into a whole, the connecting block B is connected with the vertical bracket (11) into a whole, and the connecting block A and the connecting block B are locked and fixed through bolts.
7. The rotor detection device according to claim 4, wherein a lateral surface of the adjusting seat (6) facing the Y direction is fixedly connected with a limiting plate (9), the limiting plate is provided with a limiting sliding hole (901) arranged in the Z direction, a limiting knob (10) in sliding fit is arranged in the limiting sliding hole, one end of the limiting knob is a knob end, the other end of the limiting knob is a threaded end, the knob end is limited outside the limiting sliding hole, and the threaded end passes through the limiting sliding hole and then is in threaded locking with a locking hole (1102) corresponding to the vertical support (11).
8. The rotor detection fixture station according to claim 4, characterized in that the structure for positioning rotation of the screw A (3) with respect to the riser (2) is: the screw rod positioning seat (4) with the limiting notch (401) is fixedly connected to one side face of the vertical plate towards the Y direction through a screw, the rod portion of the screw rod A is provided with a limiting portion which is limited in the limiting notch of the screw rod positioning seat, one end of the screw rod A is movably connected with the Y direction adjusting knob (5) through a pin, and the Y direction adjusting knob is limited on the outer side face of the screw rod positioning seat.
9. The rotor detection fixture station according to claim 4, characterized in that the shaft (18) and the screw B (8) are positioned and rotated with respect to the adjustment seat (6) by a structure: the shaft lever and the worm (19) as well as the screw B and the worm wheel (20) are fixed through pins, and the fixed worm wheel and worm are limited in the transmission cavity (605).
10. a method for inspecting a rotor inspection apparatus as claimed in claim 1, wherein the inspection method comprises the steps of:
Step one, centering operation, namely adjusting an adjusting base of the clamp along the Y direction and the Z direction, so that when the clamp moves in place along the X direction, a clamping ferrule (15) clamped on the clamp and a positioning part (23) of a rotary power output shaft (22) form sleeving positioning, and after the sleeving positioning, the current Y direction and Z direction position states of the adjusting base are kept and the adjusting base moves reversely to an initial position along the X direction;
Checking centering operation, namely taking at least three random rotors (26) to be detected, clamping and positioning the rotors in a clamping ferrule (15) of the clamp one by one, pushing the clamp to move along the X direction, so that a rotating shaft at one end of each rotor is in centering insertion connection with a rubber coupling sleeve (24) at the end part of the rotary power output shaft, and if more than half of the rotors cannot be in centering insertion connection, replacing the rubber coupling sleeves at least once; if more than half of the rotors cannot be inserted in the center after replacement, replacing the clamping collar at least once, and performing the operation in the step two again after performing the operation in the step one; if more than half of the rotors cannot be inserted in the centering way, replacing the rotary power output shaft at least once, and performing the operation in the step two again after performing the operation in the step one pair again until more than 90% of the randomly taken rotors finish inserting and centering, and finishing centering detection;
After centering detection is finished, testing the rotors to be detected one by one, clamping and positioning the rotors to be detected in clamping rings of the clamp, then pushing the clamp to enable a rotating shaft of the rotors to be in plug-in linkage with a rubber coupling sleeve, starting a rotary power output shaft of a machine body (21) to drive the rotors to rotate, enabling a detection head of the noise detector (25) to be abutted against the peripheral surface of a non-rotating outer sleeve of the rotors to be in contact, namely judging the quality of the rotors by detecting the noise value of the working rotors, resetting the clamp after detection of one rotor is finished, replacing the next rotor to be detected, and repeating the above operations to realize detection of all the rotors to be detected; the noise detector always keeps a detection position state after the first rotor to be detected finishes detection until all the rotors to be detected reset after detection finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827617.3A CN110542558A (en) | 2019-09-03 | 2019-09-03 | Rotor detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910827617.3A CN110542558A (en) | 2019-09-03 | 2019-09-03 | Rotor detection device and detection method thereof |
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| CN110542558A true CN110542558A (en) | 2019-12-06 |
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| CN201910827617.3A Pending CN110542558A (en) | 2019-09-03 | 2019-09-03 | Rotor detection device and detection method thereof |
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