CN215832645U - Coaxiality detection device - Google Patents
Coaxiality detection device Download PDFInfo
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- CN215832645U CN215832645U CN202121839709.2U CN202121839709U CN215832645U CN 215832645 U CN215832645 U CN 215832645U CN 202121839709 U CN202121839709 U CN 202121839709U CN 215832645 U CN215832645 U CN 215832645U
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- dial indicator
- mounting
- detection device
- motor spindle
- connecting plate
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- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The utility model discloses a coaxiality detection device which comprises an installation frame and a detection assembly, wherein the installation frame is provided with a mounting hole; the mounting frame comprises a connecting plate and an extending piece, the connecting plate is connected with a flange of a coupler arranged on a rotating shaft of the pump, the extending piece is arranged on the connecting plate, and the extending piece extends outwards; the detection assembly is arranged on the extension piece and comprises a first dial indicator and a second dial indicator, the first dial indicator is used for detecting the radial precision of the motor spindle, the second dial indicator is used for detecting the axial precision of the motor spindle, the detection end of the first dial indicator is in contact with the outer circular surface of the motor spindle, and the detection end of the second dial indicator is in contact with the outer end surface of the motor spindle. The utility model realizes the coaxiality detection of the rotating shaft of the pump and the main shaft of the motor so as to adjust the position of the motor, is favorable for improving the installation and matching precision of the pump and the motor and improves the running stability of the pump unit.
Description
Technical Field
The utility model relates to a pump unit mounting tool, in particular to a coaxiality detection device.
Background
The pump is used for conveying fluid or pressurizing fluid, and needs to be driven by the motor in the operation process, so that the positions of the motor and the pump need to be detected and adjusted, the mounting and connecting precision of the motor and the pump is improved, and the stability is improved. Specifically, the rotating shaft of the pump fixed on the frame in advance needs to be connected with the main shaft of the motor through the coupler, so that the coaxiality of the main shaft of the motor and the rotating shaft of the pump needs to be detected, the position of the motor is adjusted, the high-precision coaxiality of the main shaft and the rotating shaft of the motor is ensured, vibration is reduced, and the running stability is improved. Therefore, it is necessary to provide a coaxiality detection apparatus to facilitate adjustment of the position of the motor and ensure the coaxiality accuracy between the motor spindle and the pump rotating shaft.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a coaxiality detection device which can detect the coaxiality of a rotating shaft of a pump and a main shaft of a motor so as to adjust the position of the motor, is favorable for improving the installation and matching precision of the pump and the motor and improves the running stability of a pump unit.
The purpose of the utility model is realized by the following technical scheme:
the coaxiality detection device is characterized by comprising a mounting rack and a detection assembly; the mounting frame comprises a connecting plate and an extending piece, the connecting plate is connected with a flange of a coupler arranged on a rotating shaft of the pump, the extending piece is arranged on the connecting plate, and the extending piece extends outwards; the detection assembly is arranged on the extension piece and comprises a first dial indicator and a second dial indicator, the first dial indicator is used for detecting the radial precision of the motor spindle, the second dial indicator is used for detecting the axial precision of the motor spindle, the detection end of the first dial indicator is in contact with the outer circular surface of the motor spindle, and the detection end of the second dial indicator is in contact with the outer end surface of the motor spindle.
The working principle of the coaxiality detection device is as follows:
firstly, the coaxiality detection device is fixedly connected with a coupling on a pump rotating shaft (or a motor spindle) through a connecting plate, so that the coaxiality detection device is installed; subsequently, the positions of the first dial indicator and the second dial indicator are adjusted, the detection end of the first dial indicator is contacted with the outer circular surface of the motor spindle, the detection end of the second dial indicator is contacted with the outer end surface of the motor spindle, and the meter readings of the first dial indicator and the second dial indicator are recorded. Then, rotating the motor spindle by 180 degrees, observing and recording the readings of the first dial indicator and the second dial indicator, judging the offset condition of the motor spindle according to the change of the readings of the first dial indicator and the second dial indicator, and making a corresponding adjustment scheme to adjust the position of the motor; after the adjustment is finished, the motor spindle is continuously rotated for 180 degrees, and the position fine adjustment of the motor spindle is carried out according to the reading changes of the first dial indicator and the second dial indicator before and after the rotation; therefore, after the coaxiality is detected and the motor spindle is adjusted for many times, the readings of the two dial indicators of the motor spindle before and after rotation are ensured to be kept stable, the coaxiality can be detected and the position of the motor can be adjusted, and the coaxial arrangement of the motor spindle and the pump spindle is realized. Furthermore, the radial position of the motor spindle can be adjusted firstly, the reading of the first dial indicator is observed firstly, the reading of the first dial indicator is stable by adjusting the position of the motor, and then the radial position adjustment of the motor spindle is completed; and then, observing the reading of the second dial indicator, and adjusting the position of the motor to stabilize the reading of the second dial indicator, namely, completing the axial position adjustment of the motor spindle and ensuring that the outer end face of the motor spindle is parallel to the outer end face of the pump rotating shaft.
According to a preferable scheme of the utility model, the connecting plate is provided with a hollow hole, and the pump rotating shaft penetrates through the hollow hole.
In a preferred embodiment of the present invention, the extension member is U-shaped, and two ends of the opening of the extension member are connected to the connecting plate.
Preferably, all be equipped with the installation pole on the opening both ends of extension piece, be equipped with on the connecting plate with the mounting hole that the installation pole corresponds the setting, just be equipped with on the connecting plate and be used for locking or loosen the first bolt of revolving of installation pole, first revolve the bolt with the mounting hole corresponds the setting.
Preferably, the first dial indicator is arranged at the closed position of the outer end of the extending piece, and the first dial indicator is arranged perpendicular to the extending piece.
Preferably, the outer end closed position of extension is equipped with the installation through-hole, the measuring bar of first kilo minute table wears to establish in the installation through-hole, one side of installation through-hole is equipped with and is used for locking or unclamp the second of the measuring bar of first kilo minute table revolves the bolt.
Preferably, a cross rod for mounting the second dial indicator is arranged at the opening of the extending piece, and two ends of the cross rod are connected with two sides of the opening of the extending piece; the second dial indicator is horizontally arranged on the cross rod.
Preferably, the middle part of the cross rod is provided with a vertical rod extending downwards, the vertical rod is perpendicular to the cross rod, and the second dial indicator is arranged on the vertical rod.
Preferably, be equipped with a plurality of connecting holes on the vertical pole, this a plurality of connecting holes are arranged along vertical direction and are set up, one side of a plurality of connecting holes is equipped with a plurality of locking holes, a plurality of locking holes and a plurality of connecting hole one-to-one set up, locking hole with the connecting hole mutually perpendicular sets up, it revolves the bolt to be equipped with the third in the locking hole.
Preferably, the cross rod is arranged at two ends of the extending piece in a penetrating mode, and a fourth screwing bolt used for locking or loosening the cross rod to adjust the position of the cross rod is arranged on the extending piece.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model realizes the coaxiality detection of the rotating shaft of the pump and the main shaft of the motor so as to adjust the position of the motor, is favorable for improving the installation and matching precision of the pump and the motor and improves the running stability of the pump unit.
2. Through the setting of first amesdial and second amesdial, carry out simultaneous detection to motor spindle's radial position and axial position to discover motor spindle's position condition fast, thereby in time carry out the position control of motor, ensure motor spindle and the coaxial precision of pump pivot.
Drawings
Fig. 1 to 5 are schematic structural views of one embodiment of the coaxiality detection apparatus according to the present invention, wherein fig. 1 is a front view when the apparatus is mounted on a pump shaft, fig. 2 is a perspective view when the apparatus is mounted on the pump shaft, fig. 3 is an enlarged view of a in fig. 2, fig. 4 is a front view, and fig. 5 is a perspective view.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1 to 5, the coaxiality detection apparatus of the present embodiment includes a mounting frame and a detection assembly; the mounting frame comprises a connecting plate 7 and an extending piece 11, the connecting plate 7 is connected with a flange 5 of a coupler 4 arranged on the pump rotating shaft 3, the extending piece 11 is arranged on the connecting plate 7, and the extending piece 11 extends outwards; the detection assembly is arranged on the extension piece 11, the detection assembly comprises a first dial indicator 2 and a second dial indicator 6, the first dial indicator 2 is used for detecting the radial precision of the motor spindle 1, the second dial indicator 6 is used for detecting the axial precision of the motor spindle 1, the detection end of the first dial indicator 2 is in contact with the outer circular surface of the motor spindle 1, and the detection end of the second dial indicator 6 is in contact with the outer end surface of the motor spindle 1. The connecting plate 7 is provided with a hollow hole 10, and the pump rotating shaft 3 penetrates through the hollow hole 10. The extension piece 11 is arranged in a U shape, and two ends of an opening of the extension piece 11 are connected with the connecting plate 7.
Referring to fig. 2 to 5, mounting rods 8 are respectively disposed at two ends of an opening of the extension member 11, a mounting hole corresponding to the mounting rod 8 is disposed on the connecting plate 7, a first screwing bolt 9 for locking or loosening the mounting rod 8 is disposed on the connecting plate 7, and the first screwing bolt 9 is disposed corresponding to the mounting hole. Through the first elasticity degree of twisting 9 control installation poles 8 in the mounting hole of revolving to the realization is to the locking of installation poles 8 or loosen, and then so as to carry out telescopic adjustment to whole extension 11, with the axiality of the motor spindle 1 who adapts to different distance positions detects, and the flexibility is good.
Referring to fig. 1 to 5, the first dial indicator 2 is disposed at the closed position of the outer end of the extension member 11, and the first dial indicator 2 is disposed perpendicular to the extension member 11. The outer end of extension 11 is sealed and is located and be equipped with the installation through-hole, the measuring pole of first subdivision table 2 wears to establish among the installation through-hole, one side of installation through-hole is equipped with and is used for locking or unclamp the bolt 15 is twisted soon to the second of the measuring pole of first subdivision table 2. Through the setting of installation through-hole, the installation and the fixed of first quartile table 2 of being convenient for, the control of screwing bolt 15 through the second simultaneously can adjust the height of first quartile table 2 to improve the flexibility when detecting.
Referring to fig. 2-5, a cross bar 12 for mounting the second dial indicator 6 is arranged at the opening of the extending member 11, and both ends of the cross bar 12 are connected with both sides of the opening of the extending member 11; the second dial indicator 6 is horizontally arranged on the cross rod 12.
2-5, a vertical rod 16 extending downwards is arranged in the middle of the cross rod 12, the vertical rod 16 is arranged perpendicular to the cross rod 12, and the second dial indicator 6 is arranged on the vertical rod 16. The locking device is characterized in that a plurality of connecting holes 13 are formed in the vertical rod 16, the connecting holes 13 are arranged in the vertical direction, a plurality of locking holes 14 are formed in one side of each connecting hole 13, the locking holes 14 are in one-to-one correspondence with the connecting holes 13, the locking holes 14 are perpendicular to the connecting holes 13, and third screwing bolts 18 are arranged in the locking holes 14. Through the arrangement of the vertical rod 16, the second dial indicator 6 is arranged at a lower position, so that the outer end face of the motor spindle 1 can be detected, and the installation is convenient; through setting up a plurality of connecting holes 13 and locking hole 14 to adjust the position of second amesdial 6, in order to realize changing the height of second amesdial 6, improve the flexibility.
Referring to fig. 2 to 5, the cross bar 12 is inserted into two ends of the extending member 11, and a fourth screw bolt 17 for locking or loosening the cross bar 12 to adjust the position of the cross bar 12 is disposed on the extending member 11. Like this, through the horizontal angular adjustment to horizontal pole 12, realize the position adjustment to second amesdial 6, the flexibility is good, convenient operation.
Referring to fig. 1 to 5, the working principle of the coaxiality detection apparatus of the present embodiment is as follows:
firstly, the connecting plate 7 is fixedly connected with the coupling 4 on the pump rotating shaft 3 (or the motor spindle 1), so that the coaxiality detection device is installed; subsequently, the positions of the first dial indicator 2 and the second dial indicator 6 are adjusted, the detection end of the first dial indicator 2 is contacted with the outer circular surface of the motor spindle 1, the detection end of the second dial indicator 6 is contacted with the outer end surface of the motor spindle 1, and the meter readings of the first dial indicator 2 and the second dial indicator 6 are recorded. Then, the motor spindle 1 is rotated by 180 degrees, the readings of the first dial indicator 2 and the second dial indicator 6 are observed and recorded at the moment, the deviation condition of the motor spindle 1 is judged according to the change of the readings of the first dial indicator and the second dial indicator, a corresponding adjusting scheme is formulated, and the position of the motor is adjusted by adjusting a bolt on the rack; after the adjustment is finished, continuing to rotate the motor spindle 1 for another 180 degrees, and carrying out fine adjustment on the position of the motor spindle 1 according to the reading changes of the first dial indicator 2 and the second dial indicator 6 before and after the rotation; therefore, after the coaxiality is detected and the motor spindle 1 is adjusted for many times, the readings of the two dial indicators before and after the motor spindle 1 rotates are ensured to be stable, the coaxiality can be detected and the position of the motor can be adjusted, and the motor spindle 1 and the pump spindle 3 can be coaxially arranged. Further, the radial position of the motor spindle 1 can be adjusted first, the reading of the first dial indicator 2 is observed first, the reading of the first dial indicator 2 is stabilized by adjusting the motor position, and then the radial position adjustment of the motor spindle 1 is completed; and then, observing the reading of the second dial indicator 6, and adjusting the position of the motor to stabilize the reading of the second dial indicator 6, namely, completing the axial position adjustment of the motor spindle 1 and ensuring that the outer end face of the motor spindle 1 is parallel to the outer end face of the pump rotating shaft 3.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. The coaxiality detection device is characterized by comprising a mounting rack and a detection assembly; the mounting frame comprises a connecting plate and an extending piece, the connecting plate is connected with a flange of a coupler arranged on a rotating shaft of the pump, the extending piece is arranged on the connecting plate, and the extending piece extends outwards; the detection assembly is arranged on the extension piece and comprises a first dial indicator and a second dial indicator, the first dial indicator is used for detecting the radial precision of the motor spindle, the second dial indicator is used for detecting the axial precision of the motor spindle, the detection end of the first dial indicator is in contact with the outer circular surface of the motor spindle, and the detection end of the second dial indicator is in contact with the outer end surface of the motor spindle.
2. The coaxiality detection device according to claim 1, wherein a hollow hole is formed in the connecting plate, and the pump rotating shaft is arranged in the hollow hole in a penetrating manner.
3. The coaxiality detection device according to claim 1, wherein the extension member is provided in a "U" shape, and both ends of an opening of the extension member are connected to the connection plate.
4. The coaxiality detection device according to claim 3, wherein mounting rods are arranged at two ends of the opening of the extension piece, mounting holes corresponding to the mounting rods are formed in the connecting plate, first screwing bolts for locking or loosening the mounting rods are arranged on the connecting plate, and the first screwing bolts are arranged corresponding to the mounting holes.
5. The coaxiality detection apparatus according to claim 3, wherein the first dial indicator is provided at a closed outer end of the extension member, and the first dial indicator is provided perpendicularly to the extension member.
6. The coaxiality detection device according to claim 5, wherein a mounting through hole is formed in a closed position of an outer end of the extension piece, the detection rod of the first dial indicator penetrates through the mounting through hole, and a second screwing bolt for locking or loosening the detection rod of the first dial indicator is arranged on one side of the mounting through hole.
7. The coaxiality detection device according to claim 3, wherein a cross rod for mounting the second dial indicator is arranged at the opening of the extension piece, and two ends of the cross rod are connected with two sides of the opening of the extension piece; the second dial indicator is horizontally arranged on the cross rod.
8. The coaxiality detection device according to claim 7, wherein a vertical rod extending downwards is arranged in the middle of the cross rod and is perpendicular to the cross rod, and the second dial indicator is arranged on the vertical rod.
9. The coaxiality detection device according to claim 8, wherein a plurality of connecting holes are formed in the vertical rod, the connecting holes are arranged in a vertical direction, a plurality of locking holes are formed in one side of each connecting hole, the locking holes and the connecting holes are arranged in a one-to-one correspondence manner, the locking holes and the connecting holes are arranged perpendicular to each other, and third screwing bolts are arranged in the locking holes.
10. The coaxiality detection device according to claim 9, wherein the cross rod is arranged at two ends of the extension piece in a penetrating manner, and a fourth screwing bolt for locking or loosening the cross rod to adjust the position of the cross rod is arranged on the extension piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839709.2U CN215832645U (en) | 2021-08-06 | 2021-08-06 | Coaxiality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839709.2U CN215832645U (en) | 2021-08-06 | 2021-08-06 | Coaxiality detection device |
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| Publication Number | Publication Date |
|---|---|
| CN215832645U true CN215832645U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121839709.2U Active CN215832645U (en) | 2021-08-06 | 2021-08-06 | Coaxiality detection device |
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| CN (1) | CN215832645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115990775A (en) * | 2023-01-16 | 2023-04-21 | 宁波海天精工股份有限公司 | Drilling and tapping center high-speed spindle assembly precision adjusting method |
-
2021
- 2021-08-06 CN CN202121839709.2U patent/CN215832645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115990775A (en) * | 2023-01-16 | 2023-04-21 | 宁波海天精工股份有限公司 | Drilling and tapping center high-speed spindle assembly precision adjusting method |
| CN115990775B (en) * | 2023-01-16 | 2024-04-05 | 宁波海天精工股份有限公司 | Drilling and tapping center high-speed spindle assembly precision adjusting method |
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