CN116183108A - Balance testing device for inner support rotor - Google Patents
Balance testing device for inner support rotor Download PDFInfo
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- CN116183108A CN116183108A CN202310033969.8A CN202310033969A CN116183108A CN 116183108 A CN116183108 A CN 116183108A CN 202310033969 A CN202310033969 A CN 202310033969A CN 116183108 A CN116183108 A CN 116183108A
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- lifting
- rotor
- screw rod
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- frame
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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
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
- G01M1/04—Adaptation of bearing support assemblies for receiving the body to be tested
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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
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
Abstract
The invention discloses a balance testing device for an inner support rotor. Comprises a large bottom plate, a bottom driving mechanism, a lifting mechanism and a swing frame; a through groove for lifting the rotor is formed in the middle of the large bottom plate, and a lifting mechanism for supporting the rotor is arranged on the lower side of the large bottom plate below the through groove; the bottom driving mechanisms are arranged on the large bottom plates at two sides of the through groove, and the swing frame used for clamping the rotor at two ends is arranged on the bottom driving mechanism at each side and is in sliding connection with the large bottom plates. According to the invention, the shaftless rotors with the same diameters of two ports can be measured, and shaftless rotors with different diameters of two ports can be measured; in addition, the shaft sleeve is not required to be matched when the rotors with different diameters are measured, and only the matched supporting bearing is required to be replaced, so that the universality is high, the measuring cost is greatly reduced, the period is shortened, and the efficiency is improved.
Description
Technical Field
The invention relates to a rotor testing device, in particular to a balance testing device for an internal support rotor.
Background
When the balancing machine measures the rotor, the rotor can always reach a very high rotating speed, and the stability of the rotor supporting mode is particularly important for accurately considering test data. For a general shaft rotor, the working surface of the rotor, which is in contact with the bearings, can be directly supported, two bearings with parallel central lines and horizontal are usually respectively used for supporting the two ends of the rotor, the distance between the two bearings is adjusted according to the size of the shaft diameter of the rotor, and a shaft end limiting device is respectively arranged at the left side and the right side.
In order to ensure the accuracy of the measurement result, the support bearing is directly contacted with the working surface of the rotor in actual measurement, and for some shaftless rotors, the treatment cannot be directly used, usually, a dummy shaft matched with the inner diameter size of the rotor can be made, and then the balance of the dummy shaft and the rotor is continuously measured together in the support mode in the mode, so that the balance requirement on the dummy shaft is high; in addition, the false shaft which is repeatedly disassembled and assembled for many times easily causes centering deviation to generate measurement errors, and the accuracy of measurement is reduced; the dummy shaft is required to be manually installed before each rotor is balanced, so that the production efficiency is reduced. Meanwhile, different false shafts are required to be customized by different rotors, so that the universality is low and the testing efficiency is low.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a balance testing device for an internal support rotor, which can directly measure the balance degree of a shaftless rotor without manufacturing a dummy shaft.
The technical scheme adopted by the invention is as follows:
the invention comprises a big bottom plate, a bottom driving mechanism, a lifting mechanism and a swing frame; a through groove for lifting the rotor is formed in the middle of the large bottom plate, and a lifting mechanism for supporting the rotor is arranged on the lower side of the large bottom plate below the through groove; the bottom driving mechanisms are arranged on the large bottom plates at two sides of the through groove, and the swing frame used for clamping the rotor at two ends is arranged on the bottom driving mechanism at each side and is in sliding connection with the large bottom plates.
The rotor is a shaftless irregular rotor, central holes are formed in two ends of the rotor, and the central holes in two ends of the rotor are arranged asymmetrically.
The bottom driving mechanism comprises a motor, a screw rod and a nut sliding block; the motor is fixed on the motor mold-changing installation seat, the motor mold-changing installation seat is fixed on the large bottom plate, an output shaft of the motor is horizontally arranged and is coaxially connected with one end of a horizontally arranged screw rod through an axial mold-changing coupler, two ends of the screw rod are hinged and supported and installed on an axial mold-changing fixing seat and a swing frame fixing end through rolling bearings, and the axial mold-changing fixing seat and the swing frame fixing end are fixed on the large bottom plate; the other end of the screw rod is sleeved with a nut sliding block through a thread, the nut sliding block is fixedly connected with the bottom of the swing frame, and a locking installation block used for connecting the lifting mechanism is fixedly installed on a large bottom plate on the side of the nut sliding block.
The screw rods of the bottom driving mechanisms on the two sides of the large bottom plate are positioned on the same straight line.
The lifting mechanism comprises a motor, a lifting screw rod fixed bearing mounting seat, a lifting screw rod mounting seat and a lifting sliding block mounting piece; the motor is fixed on the bottom surface of the lifting motor installation seat, the lifting motor installation seat is fixedly connected with the bottom of the lifting screw rod fixed bearing installation seat through the lifting motor installation seat connecting piece, the top of the lifting screw rod fixed bearing installation seat is fixed on the lifting screw rod installation seat, and the lifting guide rail installation piece is fixed on the lifting screw rod installation seat; the output shaft of the motor faces upwards and is coaxially connected with the lower end of the vertically arranged screw rod through a universal coupling, and the upper end of the screw rod passes through the lifting screw rod fixing bearing mounting seat and the through groove of the lifting screw rod mounting seat and is hinged to the lifting guide rail mounting piece; the screw rod is sleeved with a lifting screw rod nut mounting seat through threads, a lifting slide block mounting piece is connected to the side face of the lifting guide rail mounting piece in a vertically lifting sliding mode through a guide rail and a slide block sleeve piece, meanwhile, the lifting screw rod nut mounting seat is fixedly connected with the lifting slide block mounting piece, and the top end of the lifting slide block mounting piece is provided with a bearing assembly used for bearing a rotor.
The two ends of the screw rod are hinged and supported and installed on the lifting screw rod fixing bearing installation seat and the lifting guide rail installation piece through rolling bearings.
The bearing assembly comprises a base plate provided with a lifting block, a fixed bottom plate and a supporting plate; the bottom of the fixed bottom plate is fixed on the top end of the lifting slider mounting part through the mounting lifting block base plate, and the top surface of the fixed bottom plate is fixed with a supporting plate which is used for being matched with the convex cambered surface of the rotor.
The swing frame comprises a swing frame base, a swing frame door frame, an error-proof vibration frame lower part, a reed, an error-proof vibration frame upper part, a supporting part height adjusting shaft, a large inner supporting roller frame, a bearing, a cylinder, a shaft end supporting horizontal adjusting rod, a shaft end supporting upper and lower adjusting rod, a shaft end roller mounting rod, a sensor and a transfer sliding block; the bottom of the swing frame base is horizontally and slidably arranged on the large bottom plate, and meanwhile, the bottom of the swing frame base is fixedly connected with the bottom driving mechanism, the swing frame door frame is a U-shaped frame, and the bottom of the swing frame door frame is fixed on the swing frame base; the lower part of the error-proof vibration frame is positioned below the upper part of the error-proof vibration frame, two ends of the lower part of the error-proof vibration frame are respectively and elastically connected with two ends of the upper part of the error-proof vibration frame through corresponding reeds, and meanwhile, the upper ends of the reeds are fixed at the top end of a swing frame door frame, and the lower part of the error-proof vibration frame is not connected with the swing frame door frame;
the lower end of the supporting part height adjusting shaft is movably sleeved in a threaded hole formed in the middle of the upper part of the error-proof vibration frame through threads, a large inner supporting roller frame is arranged on the upper part of the error-proof vibration frame in a self-lifting and moving manner, the upper end of the supporting part height adjusting shaft is propped against the bottom surface of the large inner supporting roller frame, and two bearings which are used for extending into and supporting the central hole walls at two ends of the rotor are arranged at the top end of the large inner supporting roller frame; the swing frame base is also provided with an air cylinder, a cylinder rod of the air cylinder is horizontally arranged to face the locking installation block of the bottom driving mechanism, the side face of the swing frame door frame is also fixedly provided with a side positioning support assembly, and the side positioning support assembly comprises a shaft end supporting horizontal adjusting rod, a shaft end supporting upper and lower adjusting rods, a shaft end roller installation rod and an adapter sliding block; the shaft end support horizontal adjusting rod is horizontally arranged, one end of the shaft end support horizontal adjusting rod is fixed on the swing frame door frame, and the other end of the shaft end support horizontal adjusting rod is movably sleeved with an adapter slide block in a horizontal moving way; the shaft end support upper and lower adjusting rods are vertically arranged, meanwhile, the transfer sliding blocks can be vertically movably sleeved outside the lower parts of the shaft end support upper and lower adjusting rods, the shaft end roller mounting rods are fixedly mounted at the upper ends of the shaft end support upper and lower adjusting rods, and the tail ends of the shaft end roller mounting rods are provided with bearings which are used for being connected to the end faces of the holes of the rotor center holes.
The side of the swing frame door frame is also provided with a sensor, and the side of the lower part of the error-proof vibration frame is connected with the detection end of the sensor through a connecting rod.
The large bottom plate is provided with a strip-shaped groove, and the bottom of the swing frame is fixedly provided with a guide key which is slidably embedded in the strip-shaped groove of the large bottom plate, so that the swing frame base is horizontally slidably arranged on the large bottom plate.
The beneficial effects of the invention are as follows:
according to the invention, the shaftless rotors with the same diameters of two ports can be measured, and shaftless rotors with different diameters of two ports can be measured; in addition, the shaft sleeve is not required to be matched when the rotors with different diameters are measured, and only the matched supporting bearing is required to be replaced, so that the universality is high, the measuring cost is greatly reduced, the period is shortened, and the efficiency is improved.
Drawings
FIG. 1 is a schematic view of an internal support rotor measurement apparatus of the present invention.
Fig. 2 is an exploded view of the internal support rotor measuring apparatus of the present invention.
Fig. 3 is a schematic view of a base plate of the present invention.
Fig. 4 is an exploded view of the floor of the present invention.
Fig. 5 is a schematic view of the lifting mechanism of the present invention.
Fig. 6 is an exploded view of the lifting mechanism of the present invention.
Fig. 7 is a schematic view of the swing frame assembly of the present invention.
Fig. 8 is an exploded view of the swing frame assembly of the present invention.
In the figure: a large bottom plate A1;
bottom drive mechanism A0: the device comprises a motor A2, a motor mold-changing mounting seat A3, a lifting motor mounting seat connecting piece A4, an axial mold-changing coupler A5, a bearing lock nut A6, a sliding table fixed bearing compacting plate A7, a rolling bearing A8, an axial mold-changing fixing seat A9, a screw rod A10, a swing frame fixing end A11 and a locking mounting block A12; a nut slider a13;
lifting mechanism B0: the lifting device comprises a motor B1, a lifting motor mounting seat B2, a lifting motor mounting seat connecting piece B3, a universal coupling B4, a sliding table fixed bearing compacting plate B5, a bearing locking nut B6, a sliding table screw rod backing ring B7, a rolling bearing B8, a lifting screw rod fixed bearing mounting seat B9, a lifting screw rod mounting seat B10, a screw rod B11, a lifting screw rod nut mounting seat B12, a guide rail and sliding block sleeve piece B13, a lifting guide rail mounting piece B14, a lifting sliding block mounting piece B15, a mounting lifting block substrate B16, a fixed bottom plate B17 and a supporting plate B18;
swing frame C0: the device comprises a guide key C1, a swing frame base C2, a cylinder C3, a locking cylinder mounting frame C4, a swing frame door frame C5, an error-proof vibration frame lower part C6, a reed C7, an error-proof vibration frame upper part C8, a reed pressing plate C9, a supporting part height adjusting shaft C10, a large inner supporting roller frame C11, a bearing C12, a shaft end supporting horizontal adjusting rod C13, a shaft end supporting upper and lower adjusting rod C14, a shaft end roller mounting rod C15 and a sensor C16; a transfer slider C17;
rotor D0.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1 and 2, the device comprises a large bottom plate A1, a bottom driving mechanism A0, a lifting mechanism B0 and a swing frame C0; a through groove for lifting the rotor D0 is formed in the middle of the large bottom plate A1, and a lifting mechanism B0 for supporting the rotor D0 is arranged on the lower side of the large bottom plate A1 below the through groove; the bottom driving mechanisms A0 are respectively arranged on the large bottom plates A1 on the two sides of the through groove, a swing frame C0 used for clamping the rotor D0 at the two ends is arranged on each side of the bottom driving mechanism A0, and the swing frame C0 is in sliding connection with the large bottom plates A1.
The rotor D0 is a shaftless irregular rotor, the two ends of the rotor D0 are provided with central holes, and the central holes at the two ends are asymmetrically arranged. Specifically, the irregular rotor D0 has different outer diameters at both ends, as shown in fig. 1, and is placed on the lifting mechanism B0 at the time of testing.
With the bottom driving mechanism A0 as a reference, the centers of the bottom driving mechanism A0 and the lifting mechanism B0 are collinear, two key grooves are formed in the bottom driving mechanism A0, the swing frames C0 are respectively arranged on two sides of the lifting mechanism through the matching of guide keys and the key grooves of the bottom driving mechanism A0, and the swing frames C0 on two sides can horizontally move along the key grooves to adjust the distance between the swing frames.
As shown in fig. 3, a bottom driving mechanism A0 is symmetrically installed on the left and right sides of the large bottom plate A1, so that the swing frame C0 can horizontally move along the screw a10 to adjust the distance between the two mechanisms.
As shown in fig. 4, the bottom driving mechanism A0 includes a motor A2, a screw a10, and a nut slider a13; the motor A2 is fixed on the motor change mounting seat A3 through a screw, the motor change mounting seat A3 is fixed on the large bottom plate A1 through a screw, an output shaft of the motor A2 is horizontally arranged and is coaxially connected with one end of a horizontally arranged screw rod A10 through a shaft axis change coupler A5, two ends of the screw rod A10 are hinged and supported and installed on an axial change fixing seat A9 and a swing frame fixing end A11 through a rolling bearing A8, and the axial change fixing seat A9 and the swing frame fixing end A11 are fixed on the large bottom plate A1;
in specific implementation, the rolling bearing A8 is installed in the hole of the axial transformation fixing seat A9/the swing frame fixing end A11 by axial compression through the bearing locking nut A6 and the sliding table fixing bearing compression plate A7.
The axial type-changing fixing seat A9 and the motor type-changing mounting seat A3 are fixedly connected through a lifting motor mounting seat connecting piece A4, the two lifting motor mounting seat connecting pieces A4 are symmetrically arranged, and the motor type-changing mounting seat A3 is connected with the axial type-changing fixing seat A9.
The other end of the screw rod A10 is sleeved with a nut sliding block A13 through a thread, the nut sliding block A13 is fixedly connected with the bottom of the swing frame C0, and a locking installation block A12 used for being connected with a lifting mechanism B0 is fixedly installed on a large bottom plate A1 on the side of the nut sliding block A13. The locking installation blocks A12 of the two bottom driving mechanisms A0 are arranged on two sides of the center of the large bottom plate A1 in a split mode and are used for being matched with an air cylinder on the swing frame C0 to lock the swing frame.
The screw rods A10 of the bottom driving mechanisms A0 on the two sides of the large bottom plate A1 are positioned on the same straight line.
As shown in fig. 5 and 6, the lifting mechanism B0 includes a motor B1, a lifting screw fixing bearing mount B9, a lifting screw mount B10, and a lifting slider mount B15; the motor B1 is fixed on the bottom surface of the lifting motor installation seat B2, the lifting motor installation seat B2 is fixedly connected with the bottom of the lifting screw rod fixing bearing installation seat B9 through a lifting motor installation seat connecting piece B3, the top of the lifting screw rod fixing bearing installation seat B9 is fixed on the lifting screw rod installation seat B10, and the lifting guide rail installation piece B14 is fixed on the lifting screw rod installation seat B10; the output shaft of the motor B1 faces upwards and is coaxially connected with the lower end of a vertically arranged screw rod B11 through a universal coupling B4, and the upper end of the screw rod B11 passes through a lifting screw rod fixing bearing mounting seat B9 and a through groove of a lifting screw rod mounting seat B10 and is hinged to a lifting guide rail mounting piece B14; the screw rod B11 is sleeved with a lifting screw rod nut mounting seat B12 through threads, a lifting slide block mounting piece B15 is connected to the side face of the lifting guide rail mounting piece B14 in a vertically lifting sliding mode through a guide rail and a slide block sleeve piece B13, meanwhile, the lifting screw rod nut mounting seat B12 is fixedly connected with the lifting slide block mounting piece B15, a screw rod nut sliding pair is formed, and a bearing assembly used for bearing a rotor D0 is arranged at the top end of the lifting slide block mounting piece B15.
In particular embodiments, the lift rail mount B14 may be secured to the bottom surface of the large floor panel A1 below the through slot.
Two ends of the screw rod B11 are hinged and supported and installed on the lifting screw rod fixing bearing installation seat B9 and the lifting guide rail installation piece B14 through rolling bearings B8. In specific implementation, the rolling bearing B8 is axially pressed and installed in a hole of the lifting screw rod fixed bearing installation seat B9/the lifting guide rail installation piece B14 through a sliding table fixed bearing pressing plate B5 and a bearing locking nut B6, and a sliding table screw rod backing ring B7 is further arranged between the bearing locking nut B6 and the rolling bearing B8.
The bearing assembly comprises a mounting lifting block base plate B16, a fixed bottom plate B17 and a supporting plate B18; the bottom of the fixed bottom plate B17 is fixed on the top end of the lifting slider mounting piece B15 through the mounting lifting block substrate B16, and the top surface of the fixed bottom plate B17 is fixed with a supporting plate B18, the top surface of which is matched with the convex cambered surface of the rotor D0.
The support member may extend upwardly into the channel of the large floor A1.
The lifting screw rod mounting seat B10 is used as a base of a lifting part to be mounted on the lifting screw rod fixing bearing mounting seat B9, the screw rod B11 can provide a stroke along the rod direction under the action of the motor B1, the lifting guide rail mounting piece B14 is fixed on the lifting screw rod mounting seat B10, then the guide rail and the sliding block sleeve piece B13 are mounted on the lifting guide rail mounting seat B14, the lifting sliding block mounting piece B15 is connected with the guide rail and the sliding block sleeve piece B13, a key groove is reserved on the surface of the lifting sliding block mounting piece B15 and is matched and fixedly connected with the lifting screw rod nut mounting seat B12 to ensure the connection precision, meanwhile, the lifting screw rod nut mounting seat B12 is in threaded connection with the screw rod B11, and after the mounting is finished, the lifting block substrate B16, the fixed bottom plate B17 and the supporting plate B18 are sequentially mounted on the lifting sliding block mounting piece B15 to finish assembly of the component.
In fig. 2, the swing frames C0 on both sides have the same structure and are symmetrically installed.
As shown in fig. 7 and 8, the swing frame C0 includes a swing frame base C2, a swing frame door frame C5, an error-proof vibration frame lower portion C6, a reed C7, an error-proof vibration frame upper portion C8, a support portion height adjustment shaft C10, a large inner support roller frame C11, a bearing C12, a cylinder C3, a shaft end support horizontal adjustment lever C13, a shaft end support up-down adjustment lever C14, a shaft end roller mounting lever C15, a sensor C16, and a transfer slider C17;
the bottom of the swing frame base C2 is horizontally and slidably arranged on the large bottom plate A1, meanwhile, the bottom of the swing frame base C2 is fixedly connected with a nut sliding block A13 of a bottom driving mechanism A0, a swing frame door frame C5 is a U-shaped frame, and the bottom of the swing frame door frame C5 is fixed on the swing frame base C2;
the lower part C6 of the error-proof vibration frame is positioned below the upper part C8 of the error-proof vibration frame, two ends of the lower part C6 of the error-proof vibration frame are respectively and elastically connected with two ends of the upper part C8 of the error-proof vibration frame through corresponding reeds C7, and meanwhile, the upper ends of the reeds C7 are fixed at the top end of the swing frame door frame C5, and the lower part C6 of the error-proof vibration frame is not connected with the swing frame door frame C5 and has a gap; specifically, reeds C7 on both sides of the upper part C8 of the error-proof vibration frame are respectively fixed on both top ends of the U-shaped frame of the swing frame door frame C5, and the upper ends of the reeds C7 are connected with the upper part C8 of the error-proof vibration frame through a reed pressing plate C9.
In specific implementation, the cylinder C3 is connected with the locking cylinder mounting frame C4 and then fixed on the swing frame base C2, the swing frame door frame C5 is fixed on the swing frame base C2 through screws, the lower part C6 of the error-proof vibration frame is connected with the upper part C8 of the error-proof vibration frame, and the reed C7 is fixed on the swing frame base C2 through the reed pressing plate C9.
The lower end of the supporting part height adjusting shaft C10 is movably sleeved in a threaded hole formed in the middle of the upper part C8 of the error-proof vibration frame through threads, the upper part C8 of the error-proof vibration frame is provided with a large inner supporting roller frame C11 in a self-lifting and moving manner, the upper end of the supporting part height adjusting shaft C10 is propped against the bottom surface of the large inner supporting roller frame C11, and the top end of the large inner supporting roller frame C11 is provided with two bearings C12 which are used for extending into the central hole walls at two ends of the rotor D0; the two bearings C12 are arranged in parallel on the same plane.
The rotating support part height adjusting shaft C10 can drive the support part height adjusting shaft C10 to move up and down relative to the error-proof vibration frame upper portion C8 through the screw thread pair, and then the whole formed by the support part height adjusting shaft C10 and the large inner support roller frame C11 which is in bearing connection with the support part height adjusting shaft C10 is adjusted relative to the upper and lower height positions of the error-proof vibration frame upper portion C8, and then the two bearings C12 are adjusted, and then the two bearings C12 are adaptively and floatingly adjusted to be connected with the contact position and the height of the wall of the center hole of the rotor D0.
Like this supporting part height adjustment axle C10 installs on mistake proofing vibration frame upper portion C8, and rotatory supporting part height adjustment axle C10 can realize along vertical direction adjusts the purpose of supporting height, installs big interior supporting gyro wheel frame C11 and its supporting different size bearing C12 that can adjust at any time according to the in-service use demand on the supporting part height adjustment axle C10.
And a cylinder C3 is further arranged on the swing frame base C2 at the side of the swing frame door frame C5 through a locking cylinder mounting frame C4, a locking mounting block A12 facing the bottom driving mechanism A0 is horizontally arranged on a cylinder rod of the cylinder C3, and the cylinder rod of the cylinder C3 is used for extending out of the locking mounting block A12 connected to the bottom driving mechanism A0.
The side surface of the swing frame door frame C5 is also fixedly provided with a side positioning support assembly, and the side positioning support assembly comprises a shaft end supporting horizontal adjusting rod C13, a shaft end supporting upper and lower adjusting rod C14, a shaft end roller mounting rod C15 and an adapter slide block C17; the shaft end support horizontal adjusting rod C13 is horizontally arranged, one end of the shaft end support horizontal adjusting rod C13 is fixed on the swing frame door frame C5, and the other end of the shaft end support horizontal adjusting rod C13 is externally and horizontally movably sleeved with an adapter slide block C17; the shaft end support upper and lower adjusting rod C14 is vertically arranged, meanwhile, the transfer sliding block C17 can vertically move and movably sleeved outside the lower part of the shaft end support upper and lower adjusting rod C14, the shaft end roller mounting rod C15 is adjustably and fixedly mounted at the upper end of the shaft end support upper and lower adjusting rod C14, and the tail end of the shaft end roller mounting rod C15 is provided with a bearing used for being connected to the end face of a hole of the center hole of the rotor D0.
Thus, the shaft end supporting horizontal adjusting rod C13 is arranged on the upper part C8 of the error-proof vibration frame, the shaft end supporting upper and lower adjusting rod C14 is vertically arranged on the shaft end supporting horizontal adjusting rod C13 and can horizontally move for adjusting distance, and the tail end mounting bearing of the shaft end roller mounting rod C15 is arranged right above the shaft end supporting upper and lower adjusting rod C14.
The side of the swing frame door frame C5 is also provided with a sensor C16, and the side of the lower part C6 of the error-proof vibration frame is connected with the detection end of the sensor C16 through a connecting rod. The sensor C16 is a vibration sensor for detecting vibration of the lower portion C6 of the error-proof vibration frame.
The large bottom plate A1 is provided with a strip-shaped groove, the side surface of the bottom of the swing frame C0 is fixedly provided with a guide key C1, and the guide key C1 is embedded in the strip-shaped groove of the large bottom plate A1 in a sliding manner, so that the swing frame base C2 is horizontally and slidably arranged on the large bottom plate A1. Like this, swing frame base C2 bottom has the bar groove, cooperates its with big bottom plate A1 through guide key C1 in order to realize driving the effect of swing frame part along guide rail direction horizontal migration regulation interval on big bottom plate A1.
The specific implementation working process of the invention is as follows:
1) The rotor D0 is first placed on the support plate B18 of the lifting mechanism B0.
When the lifting mechanism is used, a motor B1 in the lifting mechanism B0 acts, a screw rod B11 rotates to drive a lifting screw rod nut mounting seat B12 and a lifting sliding block mounting piece B15 to integrally lift up and down, a supporting plate B18 is pushed to lift a rotor D0 to extend upwards into a through groove of a large bottom plate A1, the rotor D0 is in an extending state, and the lifted height of the rotor D0 is set according to the size of an actually measured rotor D0;
2) The motor A2 on the bottom driving mechanisms A0 at two sides works to drive the swing frame C0 to perform pre-positioning, so that the rotor D0 is ensured not to interfere with the swing frame C0 when being placed on the supporting plate B18 of the lifting mechanism B0;
3) The bearing C12 on the large inner support roller frame C11 can be horizontally aligned in the central holes at the two ends of the rotor D0 through the adjustment of the height adjusting shaft C10 of the inner rotation supporting part of the swing frame C0;
the motor A2 on the bottom driving mechanism A0 works to drive the screw rod A10 to rotate, then drives the nut sliding block A13 and the swing frame C0 to integrally move towards the rotor D0, finely adjusts the moving distance of the swing frame C0, enables the bearings C12 on the large inner supporting roller frames C11 of the swing frames C0 on the left side and the right side to respectively extend into the central hole holes at the two ends of the rotor D0, then rotates to adjust the supporting part height adjusting shaft C10, and further adjusts the bearings C12 on the large inner supporting roller frames C11 to be clung to the top side hole walls of the central holes at the two ends of the rotor D0 so as to support.
If the inner diameters of the two ends of the rotor D0 are different, the left and right ends are respectively supported by bearings with different sizes.
In order to ensure that the axis of rotation of the rotor is horizontal,
in the swing frames C0 on the left side and the right side, the supporting heights of the bearings C12 on the swing frames are respectively adjusted by the respective supporting part height adjusting shafts C10, so that the central axial direction of the rotor D0 is horizontally arranged, and the leveling is finished.
After leveling, the cylinder C3 of the swing frame C0 stretches out and is propped against the locking installation block A12, so that the whole swing frame C0 is fixed, and the positioning of the swing frame C0 is completed.
4) The shaft end of the adjusting swing frame C0 supports the horizontal adjusting rod C13 and the shaft end supports the upper and lower adjusting rods C14 relative to the sleeving position in the switching sliding block C17, so that a bearing at the tail end of the shaft end roller mounting rod C15 props against the hole end surface of the central hole of the rotor D0;
the swing frames C0 on two sides are respectively propped against the end face of the rotor D0 by the bearings at the tail ends of the roller mounting rods C15 at the respective shaft ends, the axial freedom degree of the rotor D0 is limited, and the positioning is completed after the locking.
5) After the step is completed, the lifting mechanism B0 moves down to the designated height, and then the dynamic balance measurement of the rotor D0 can be performed.
Specifically, the rotor D0 is connected with an external rotary driving source through belt transmission, and the rotor D0 is driven by the rotary driving source to rotate around the central axis of the rotor D0 under the limit of a bearing C12 on the large inner support roller frame C11 and a bearing at the tail end of the shaft end roller mounting rod C15.
During the rotation process
The vibration of the rotor D0 is transmitted to the upper part C8 of the error-proof vibration frame through the bearing C12 and the large inner supporting roller frame C11, and then transmitted to the lower part C6 of the error-proof vibration frame through the reed C7, and the lower part C6 of the error-proof vibration frame is transmitted to the detection end of the sensor C16 through the connecting rod and is detected and received by the sensor C16 due to the suspension arrangement of the lower part C6 of the error-proof vibration frame, so that dynamic balance measurement data of the rotor D0 are obtained.
Claims (10)
1. A balance testing device for an internal support rotor, characterized by: comprises a large bottom plate (A1), a bottom driving mechanism (A0), a lifting mechanism (B0) and a swing frame (C0); a through groove for lifting the rotor (D0) is formed in the middle of the large bottom plate (A1), and a lifting mechanism (B0) for supporting the rotor (D0) is arranged at the lower side of the large bottom plate (A1) below the through groove; the large bottom plates (A1) on the two sides of the through groove are respectively provided with a bottom driving mechanism (A0), and the bottom driving mechanism (A0) on each side is provided with a swing frame (C0) for clamping the rotor (D0) at the two ends, and the swing frame (C0) is in sliding connection with the large bottom plates (A1).
2. A balance testing apparatus for an internally supported rotor as claimed in claim 1, wherein: the rotor (D0) is a shaftless irregular rotor, the two ends of the rotor are provided with central holes, and the central holes at the two ends are asymmetrically arranged.
3. A balance testing apparatus for an internally supported rotor as claimed in claim 1, wherein: the bottom driving mechanism (A0) comprises a motor (A2), a screw rod (A10) and a nut sliding block (A13); the motor (A2) is fixed on a motor mold changing installation seat (A3), the motor mold changing installation seat (A3) is fixed on a large bottom plate (A1), an output shaft of the motor (A2) is horizontally arranged and is coaxially connected with one end of a horizontally arranged screw rod (A10) through a shaft axis mold changing coupler (A5), two ends of the screw rod (A10) are hinged and supported and installed on an axis mold changing fixed seat (A9) and a swing frame fixed end (A11) through rolling bearings (A8), and the axis mold changing fixed seat (A9) and the swing frame fixed end (A11) are fixed on the large bottom plate (A1); the other end of the screw rod (A10) is sleeved with a nut sliding block (A13) through threads, the nut sliding block (A13) is fixedly connected with the bottom of the swing frame (C0), and a locking installation block (A12) used for being connected with a lifting mechanism (B0) is fixedly installed on a large bottom plate (A1) on the side of the nut sliding block (A13).
4. A balance testing apparatus for an internally supported rotor according to claim 3, wherein: the screw rods (A10) of the bottom driving mechanisms (A0) on the two sides of the large bottom plate (A1) are positioned on the same straight line.
5. A balance testing apparatus for an internally supported rotor as claimed in claim 1, wherein: the lifting mechanism (B0) comprises a motor (B1), a lifting screw rod fixed bearing mounting seat (B9), a lifting screw rod mounting seat (B10) and a lifting sliding block mounting piece (B15); the motor (B1) is fixed on the bottom surface of the lifting motor mounting seat (B2), the lifting motor mounting seat (B2) is fixedly connected with the bottom of the lifting screw rod fixing bearing mounting seat (B9) through a lifting motor mounting seat connecting piece (B3), the top of the lifting screw rod fixing bearing mounting seat (B9) is fixed on the lifting screw rod mounting seat (B10), and the lifting guide rail mounting piece (B14) is fixed on the lifting screw rod mounting seat (B10); an output shaft of the motor (B1) faces upwards and is coaxially connected with the lower end of a vertically arranged screw rod (B11) through a universal coupling (B4), and the upper end of the screw rod (B11) passes through a lifting screw rod fixed bearing mounting seat (B9) and a through groove of a lifting screw rod mounting seat (B10) and is hinged to a lifting guide rail mounting piece (B14); the screw rod (B11) is sleeved with a lifting screw rod nut mounting seat (B12) through threads, a lifting slide block mounting piece (B15) is connected to the side face of the lifting guide rail mounting piece (B14) in a vertically lifting sliding mode through a guide rail and a slide block sleeve piece (B13), meanwhile, the lifting screw rod nut mounting seat (B12) is fixedly connected with the lifting slide block mounting piece (B15), and a bearing component used for bearing a rotor (D0) is arranged at the top end of the lifting slide block mounting piece (B15).
6. A balance testing apparatus for an internally supported rotor as claimed in claim 5, wherein: two ends of the screw rod (B11) are hinged and supported and installed on a lifting screw rod fixing bearing installation seat (B9) and a lifting guide rail installation piece (B14) through rolling bearings (B8).
7. A balance testing apparatus for an internally supported rotor as claimed in claim 5, wherein: the bearing assembly comprises a base plate (B16) provided with a lifting block, a fixed bottom plate (B17) and a supporting plate (B18); the bottom of the fixed bottom plate (B17) is fixed on the top end of the lifting slide block mounting piece (B15) through the mounting lifting block substrate (B16), and the top surface of the fixed bottom plate (B17) is fixed with a supporting plate (B18) which is used for being matched with the convex cambered surface of the rotor (D0) through the top surface of the fixed bottom plate (B17).
8. A balance testing apparatus for an internally supported rotor according to claim 3, wherein: the swing frame (C0) comprises a swing frame base (C2), a swing frame door frame (C5), an error-proof vibration frame lower part (C6), a reed (C7), an error-proof vibration frame upper part (C8), a supporting part height adjusting shaft (C10), a large inner supporting roller frame (C11), a bearing (C12), a cylinder (C3), a shaft end supporting horizontal adjusting rod (C13), a shaft end supporting upper and lower adjusting rod (C14), a shaft end roller mounting rod (C15), a sensor (C16) and a transfer sliding block (C17); the bottom of the swing frame base (C2) can be horizontally and slidably arranged on the large bottom plate (A1), meanwhile, the bottom of the swing frame base (C2) is fixedly connected with the bottom driving mechanism (A0), the swing frame door frame (C5) is a U-shaped frame, and the bottom of the swing frame door frame (C5) is fixed on the swing frame base (C2); the lower part (C6) of the error-proof vibration frame is positioned below the upper part (C8) of the error-proof vibration frame, two ends of the lower part (C6) of the error-proof vibration frame are respectively and elastically connected with two ends of the upper part (C8) of the error-proof vibration frame through corresponding reeds (C7), meanwhile, the upper ends of the reeds (C7) are fixed at the top end of a swing frame door frame (C5), and the lower part (C6) of the error-proof vibration frame is not connected with the swing frame door frame (C5);
the lower end of the supporting part height adjusting shaft (C10) is movably sleeved in a threaded hole formed in the middle of the upper part (C8) of the error-proof vibration frame, the upper part (C8) of the error-proof vibration frame is provided with a large inner supporting roller frame (C11) in a vertically movable manner, the upper end of the supporting part height adjusting shaft (C10) is propped against the bottom surface of the large inner supporting roller frame (C11), and the top end of the large inner supporting roller frame (C11) is provided with two bearings (C12) which are used for extending into and supporting the central hole walls at two ends of the rotor (D0); the swing frame base (C2) is also provided with an air cylinder (C3), a cylinder rod of the air cylinder (C3) is horizontally arranged to face a locking installation block (A12) of the bottom driving mechanism (A0), the side face of the swing frame door frame (C5) is also fixedly provided with a side positioning support assembly, and the side positioning support assembly comprises a shaft end supporting horizontal adjusting rod (C13), a shaft end supporting upper and lower adjusting rod (C14), a shaft end roller installation rod (C15) and a transfer sliding block (C17); the shaft end support horizontal adjusting rod (C13) is horizontally arranged, one end of the shaft end support horizontal adjusting rod (C13) is fixed on the swing frame door frame (C5), and the other end of the shaft end support horizontal adjusting rod (C13) is movably sleeved with the transfer sliding block (C17) in a horizontal moving way; the shaft end support upper and lower adjusting rods (C14) are vertically arranged, meanwhile, the transfer sliding blocks (C17) can vertically move and are movably sleeved outside the lower parts of the shaft end support upper and lower adjusting rods (C14), the shaft end roller mounting rods (C15) are fixedly mounted at the upper ends of the shaft end support upper and lower adjusting rods (C14), and the tail ends of the shaft end roller mounting rods (C15) are provided with bearings which are connected to the end faces of the holes of the center holes of the rotors (D0).
9. A balance testing apparatus for an internally supported rotor as claimed in claim 8, wherein: the side of the swing frame door frame (C5) is also provided with a sensor (C16), and the side of the lower part (C6) of the error-proof vibration frame is connected with the detection end of the sensor (C16) through a connecting rod.
10. A balance testing apparatus for an internally supported rotor as claimed in claim 8, wherein: the large bottom plate (A1) is provided with a strip-shaped groove, the bottom of the swing frame (C0) is fixedly provided with a guide key (C1), and the guide key (C1) is slidably embedded in the strip-shaped groove of the large bottom plate (A1), so that the swing frame base (C2) is horizontally slidably arranged on the large bottom plate (A1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310033969.8A CN116183108A (en) | 2023-01-10 | 2023-01-10 | Balance testing device for inner support rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310033969.8A CN116183108A (en) | 2023-01-10 | 2023-01-10 | Balance testing device for inner support rotor |
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| Publication Number | Publication Date |
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| CN116183108A true CN116183108A (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310033969.8A Pending CN116183108A (en) | 2023-01-10 | 2023-01-10 | Balance testing device for inner support rotor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766348A (en) * | 2024-02-22 | 2024-03-26 | 山东泰开电力开关有限公司 | Balance adjustment testing device for circuit breaker |
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2023
- 2023-01-10 CN CN202310033969.8A patent/CN116183108A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766348A (en) * | 2024-02-22 | 2024-03-26 | 山东泰开电力开关有限公司 | Balance adjustment testing device for circuit breaker |
| CN117766348B (en) * | 2024-02-22 | 2024-05-31 | 山东泰开电力开关有限公司 | Balance adjustment testing device for circuit breaker |
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