CN218217026U - Device for fixing encoder on motor rotating shaft - Google Patents
Device for fixing encoder on motor rotating shaft Download PDFInfo
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- CN218217026U CN218217026U CN202221864381.4U CN202221864381U CN218217026U CN 218217026 U CN218217026 U CN 218217026U CN 202221864381 U CN202221864381 U CN 202221864381U CN 218217026 U CN218217026 U CN 218217026U
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- encoder
- tripod
- connecting piece
- rotating shaft
- motor
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Abstract
The utility model discloses a device for fixing an encoder on a motor rotating shaft, which comprises a connecting piece, a locking nut and a three-leg fixer, wherein the connecting piece is formed by combining two large and small cylindrical barrels, the end part of the large cylindrical barrel is connected with a motor, and three pairs of screw rods are uniformly distributed on the large cylindrical barrel and are used for connecting motor rotating shafts with different diameters and adjusting the concentricity; the small cylindrical barrel is internally provided with threads, and the end part of the small cylindrical barrel is connected with the tripod fixator; the tripod fixer mainly plays the effect of fixed encoder shell and connection encoder runner, and the tripod fixer includes fixed block, three stabilizer blades, is equipped with the long screw rod in the fixed block central through-hole, and the hollow shaft of encoder is passed to the tip of long screw rod, and the small cylinder of lock nut and connecting piece is connected to the other end. The encoder and the rotating shaft of the utility model adopt an external buckling structure, compared with embedded connection, the rotating shaft axis does not need to be damaged, and the rapid disassembly is realized; the problem of when former encoder is fixed punch at motor shaft is solved, fixed mode is simple firm.
Description
Technical Field
The utility model relates to a device of fixed encoder on motor shaft belongs to machinery.
Background
The motor used for the transverse movement of the twenty-high rolling mill coil trolley moves synchronously with the coil trolley, the external fixed point of the encoder cannot be fixed, and the encoder is directly fixed on the heat dissipation cover through a screw at present; because the inner diameter of the hollow rotating wheel of the encoder is smaller than that of the motor rotating shaft, a specially-made connecting thin rod is needed, one end of the connecting thin rod is screwed into the axis of the motor rotating shaft through tapping threads (the connecting mode influences the structure of the motor rotating shaft), and the other end of the connecting thin rod with the matched diameter is fixed with the rotating wheel of the encoder. Due to the special working environment of the twenty-high roll mill, the deformation and even the falling of the steel coil trolley motor heat dissipation cover caused by belt breakage, trolley cover plate derailment and the like, an encoder which is in hard connection with the heat dissipation cover is extruded by external force to damage the internal structure and elements, and sometimes the metal connecting rod fixed on the axis of the motor is broken due to the external force. The shutdown time of a unit for processing the faults of the encoders and related equipment is long, and the cost is high (the unit price of each encoder is 1 ten thousand yuan); and the coil of strip dolly position is special, and the operation space of changing the encoder is narrow and small and have the risk of falling, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device of fixed encoder on motor shaft is a device of connecting motor shaft and encoder, and mainly used portable motor or use the poor easy impaired motor of operating mode (like twenty high rolling mill coil of strip dolly sideslip motor), this type of motor not only can't install the external fixed point of encoder, and the encoder fragile moreover, the device can effectively solve above problem. The utility model discloses a change the fixed mode of encoder, with encoder and fan casing separation, realize that the encoder is connected with motor shaft, solved the problem that the encoder fault rate is high and the encoder change time is long.
The utility model adopts the technical proposal that:
a device for fixing an encoder on a motor rotating shaft comprises a connecting piece, a locking nut and a tripod fixer,
the connecting piece is formed by combining a large cylindrical tube and a small cylindrical tube, the end part of the large cylindrical tube is connected with a motor, and three pairs of screw rods are uniformly distributed on the large cylindrical tube and are used for connecting motor rotating shafts with different diameters and adjusting concentricity; the small cylindrical barrel is internally provided with threads, and the end part of the small cylindrical barrel is connected with the tripod fixator;
the tripod fixer mainly plays the effect of fixed encoder shell and connection encoder runner, and the tripod fixer includes fixed block, three stabilizer blades, is equipped with the long screw rod in the fixed block central through hole, and the hollow shaft of encoder is passed to the tip of long screw rod, and the small cylinder of lock nut and connecting piece is connected to the other end, and three stabilizer blade bottoms are equipped with the rubber pad, play antiskid cushioning effect. Furthermore, three pairs of screws outside the large cylindrical barrel of the connecting piece are respectively positioned at positions with intervals of 120 degrees in the circumferential direction, and each pair of screws are arranged on the outer side of the large cylindrical barrel side by side and penetrate through the barrel wall to be inserted into the barrel.
Furthermore, the tripod fixer is provided with a locking buckle which is a hook-shaped iron rod welded on the tripod, the outlet end of the encoder is clamped in the locking buckle and used for fixing the outlet end of the encoder, the buckle plays a role of fixing the encoder shell and the tripod together and keeping static, and the hollow rotating shaft of the encoder can continuously rotate synchronously with the long screw rod and the connecting piece.
Furthermore, the inside through-hole that is of fixed block, is equipped with antifriction bearing (12 x 18 x 12mm) and footstep bearing (15 x 32 x 12mm) in the through-hole in proper order, and the footstep bearing tip passes through the nut of gasket connection long screw, and the long screw passes gasket, footstep bearing, antifriction bearing in proper order and is connected with the hollow shaft encoder, and the long screw passes the small cylinder internal thread fixed connection of the other end of encoder and connecting piece to it is fixed through lock nut. The left side of the tripod fixer can lock the long screw rod and the connecting piece through the locking nut, and the synchronous rotation of the encoder connecting shaft and the motor rotating shaft is ensured. Namely: the long screw rod is in threaded fit with the small cylindrical barrel of the connecting piece, and the large cylindrical barrel is matched with the motor, so that the synchronous rotation of the encoder connecting shaft and the motor rotating shaft is finally realized; the method specifically comprises the following steps: the long screw, the hollow connecting shaft of the encoder, the large cylinder, the small cylinder and the motor rotating shaft can finally rotate synchronously, the encoder shell needs to be static, and therefore the tripod component is needed to realize the synchronous rotation.
The utility model provides a device of fixed encoder in motor shaft, the beneficial effect who brings:
(1) The encoder is connected with the rotating shaft by adopting an external buckling structure, so that compared with embedded connection, the axis of the rotating shaft is not required to be damaged, and quick disassembly is realized; the problem of when former encoder is fixed punch at motor shaft is solved, fixed mode is simple firm.
(2) The encoder is directly fixed on a rotating motor shaft by using a fixer with a bearing, so that the encoder is separated from a motor fan protective cover;
(3) The inner diameter of the connecting piece can be adjusted through the fixing screw rod so as to adapt to motor shafts with different diameters, and meanwhile, the concentricity can be adjusted;
(4) The length of the screw rod is adjustable, the part connected with the motor shaft is adjustable, the screw rod can adapt to motors with different shaft lengths, and the popularization and application performance is strong.
(5) The rubber pad at the bottom of the tripod fixer can effectively prevent the tripod from shifting or loosening caused by vibration in the working process of the motor; the problem of frequent damage of the encoder is solved, spare part cost is reduced, and unit operation rate is improved.
(6) The device operates stably, does not need extra investment, easy to maintain.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the connecting member of the present invention.
Fig. 2 is a schematic structural view of the tripod fixing apparatus of the present invention.
Fig. 3 is a cross-sectional view of the tripod fixture.
Fig. 4 is a schematic structural diagram of the encoder casing of the present invention.
Fig. 5 is an assembly view of each component of the present invention.
Fig. 6 is the overall connection effect diagram of the present invention.
In the figure: the device comprises a large cylindrical barrel 1, a small cylindrical barrel 2, a screw rod 3, a support leg 4, a fixing block 5, a long screw rod 6, a rubber pad 7, an encoder 8, a locking buckle 9, a wire outlet end 10, a motor 11, a connecting piece 12, a three-pin fixer 13, a locking nut 14, a gasket 15, a stop-push bearing 16 and a rolling bearing 17.
Detailed Description
Example (b):
as shown in 1~6, a device for fixing an encoder on a motor rotating shaft comprises a connecting piece, a locking nut and a tripod fixer,
the connecting piece is formed by combining a large cylindrical barrel and a small cylindrical barrel, the end part of the large cylindrical barrel 1 is connected with a motor 11, and three pairs of screw rods 3 are uniformly distributed on the large cylindrical barrel 1 and are used for connecting motor rotating shafts with different diameters and adjusting concentricity; the small cylindrical barrel 2 is internally provided with threads, and the end part of the small cylindrical barrel is connected with a tripod fixer 13;
the tripod fixer 13 mainly plays the effect of fixed encoder shell and connection encoder runner, and tripod fixer 13 includes fixed block 5, three stabilizer blades 4, is equipped with long screw rod 6 in the 5 central through-holes of fixed block, and the hollow shaft of encoder is passed to the tip of long screw rod 6, and locking nut 14 and the small circle column casing of connecting piece are connected to the other end, and three stabilizer blade 4 bottoms are equipped with rubber pad 7, play anti-skidding shock attenuation effect.
Further, three pairs of screws 3 outside the large cylindrical barrel 1 of the connecting piece are respectively positioned at positions spaced by 120 degrees in the circumferential direction, and each pair of screws are arranged side by side outside the large cylindrical barrel and penetrate through the barrel wall to be inserted into the barrel.
Furthermore, the tripod fixer is provided with a locking buckle 9 which is a hook-shaped iron rod welded on the tripod, the outlet end of the encoder 8 is clamped into the locking buckle, the locking buckle is used for fixing the outlet end 10 of the encoder, the buckle plays a role in fixing the encoder shell and the tripod together and keeping the encoder shell and the tripod still, and the hollow rotating shaft of the encoder 8 can continuously rotate synchronously with the long screw rod 6 and the connecting piece 12.
Furthermore, the inside through-hole that is of fixed block 5, be equipped with antifriction bearing (12 a 18 a 12mm) and footstep bearing (15 a 32 a 12mm) in the through-hole in proper order, the footstep bearing tip passes through the nut that the gasket connects the long screw, and the long screw passes gasket, footstep bearing, antifriction bearing in proper order and is connected with the hollow shaft encoder, and the long screw passes the small cylinder internal thread fixed connection of the other end of encoder and connecting piece to it is fixed through lock nut. The long screw rod and the encoder can be locked on the left side of the tripod fixator through the locking nut, and synchronous rotation of the encoder connecting shaft and the motor rotating shaft is ensured. Namely: the long screw rod is in threaded fit with the small cylindrical barrel of the connecting piece, and the large cylindrical barrel is matched with the motor, so that synchronous rotation of the connecting shaft of the encoder and the rotating shaft of the motor is finally realized; the method specifically comprises the following steps: the long screw, the hollow connecting shaft of the encoder, the large cylinder, the small cylinder and the motor rotating shaft can finally rotate synchronously, the encoder shell needs to be static, and therefore the tripod component is needed to realize the synchronous rotation.
The use method of the device comprises the following steps:
(1) Firstly, the encoder is arranged on a long screw rod of a tripod fixer, and the outlet end of the encoder is clamped into a locking buckle on the tripod fixer (as shown in figure 5);
(2) Fitting a lock nut to the outside of the encoder on the long screw (left side of fig. 5);
(3) Sleeving the connecting piece outside the motor rotating shaft, adjusting a fixing screw on the connecting piece, and fixing and adjusting the connecting piece and the motor rotating shaft to be concentric;
(4) The long screw of the tripod fixator sleeved in the encoder is screwed into the small cylindrical barrel of the connecting piece, the rubber pads fastened to the bottoms of the three support legs are tightly attached to the tail part of the motor, and the nut on the left side of the tripod fixator is rotated and fastened towards the direction of the connecting piece (so that the whole tripod fixator is fastened towards the left side).
(5) Finally, the locking nut is screwed to the connecting piece to lock the connecting piece and the long screw rod, so that the screw rod and the connecting piece are prevented from loosening in the rotating process of the motor.
Claims (5)
1. The utility model provides a device of fixed encoder on motor shaft which characterized in that: comprises a connecting piece, a locking nut and a tripod fixer,
the connecting piece is formed by combining a large cylindrical tube and a small cylindrical tube, the end part of the large cylindrical tube is connected with a motor, and three pairs of screw rods are uniformly distributed on the large cylindrical tube and are used for connecting motor rotating shafts with different diameters and adjusting concentricity; the small cylindrical barrel is internally provided with threads, and the end part of the small cylindrical barrel is connected with the tripod fixator;
the tripod fixer mainly plays the effect of fixed encoder shell and connection encoder runner, and the tripod fixer includes fixed block, three stabilizer blades, is equipped with the long screw in the fixed block central through hole, and the hollow shaft of encoder is passed to the tip of long screw, and the small cylinder of lock nut and connecting piece is connected to the other end.
2. The apparatus for fixing an encoder on a rotating shaft of a motor according to claim 1, wherein: rubber pads are arranged at the bottoms of the three support legs, and the anti-skidding and shock-absorbing effects are achieved.
3. The apparatus for fixing an encoder on a rotating shaft of a motor according to claim 1, wherein: three pairs of screws outside the large cylindrical barrel of the connecting piece are respectively positioned at the positions with the interval of 120 degrees in the circumferential direction, and each pair of screws are arranged on the outer side of the large cylindrical barrel side by side and penetrate through the barrel wall to be inserted into the barrel.
4. The apparatus for fixing an encoder on a rotating shaft of an electric motor according to claim 1, wherein: the tripod fixer is provided with a locking buckle which is a hook-shaped iron rod welded on a tripod, the outlet end of the encoder is clamped in the locking buckle and used for fixing the outlet end of the encoder, the buckle plays a role of fixing the encoder shell and the tripod together and keeping static, and the hollow rotating shaft of the encoder can continuously rotate synchronously with the long screw and the connecting piece.
5. The apparatus for fixing an encoder on a rotating shaft of a motor according to claim 1, wherein: the inside through-hole that is of fixed block, be equipped with antifriction bearing and footstep bearing in proper order in the through-hole, the nut of footstep bearing connection long screw rod is passed through the gasket to the footstep bearing tip, and the long screw rod passes gasket, footstep bearing, antifriction bearing in proper order and is connected with the hollow shaft encoder, and the long screw rod passes the small cylinder internal thread fixed connection of the other end of encoder and connecting piece to it is fixed through lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221864381.4U CN218217026U (en) | 2022-07-20 | 2022-07-20 | Device for fixing encoder on motor rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221864381.4U CN218217026U (en) | 2022-07-20 | 2022-07-20 | Device for fixing encoder on motor rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218217026U true CN218217026U (en) | 2023-01-03 |
Family
ID=84649284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221864381.4U Active CN218217026U (en) | 2022-07-20 | 2022-07-20 | Device for fixing encoder on motor rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218217026U (en) |
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2022
- 2022-07-20 CN CN202221864381.4U patent/CN218217026U/en active Active
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