CN115776210A - Encoder device and motor - Google Patents
Encoder device and motor Download PDFInfo
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- CN115776210A CN115776210A CN202211535215.4A CN202211535215A CN115776210A CN 115776210 A CN115776210 A CN 115776210A CN 202211535215 A CN202211535215 A CN 202211535215A CN 115776210 A CN115776210 A CN 115776210A
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Abstract
The invention discloses an encoder device and a motor, wherein the encoder comprises an upper flange shaft, a circular pot-shaped buffer part, a lower flange shaft, a mounting seat and a rotary transformer, the lower flange shaft is connected with a motor rotor, the circular pot-shaped buffer part is respectively connected with a first connecting part of the upper flange shaft and a second connecting part of the lower flange shaft in a wrapping mode, the upper flange shaft is vertically connected with the lower flange shaft, the mounting seat is connected with a stator of the motor and is provided with a connecting channel for the upper flange shaft to penetrate through, the rotary transformer is provided with a rotary transformer rotor and a rotary transformer stator, the upper flange shaft is provided with a rotating ring, the rotating ring is used for clamping the upper side and the lower side of the rotary transformer rotor, the upper flange shaft drives the rotary transformer rotor to rotate through the rotating ring, and the rotary transformer stator is fixed in the mounting seat.
Description
Technical Field
The invention belongs to the technical field of industrial automation, and particularly relates to an encoder device and a motor.
Background
The encoder is a device for compiling and converting signals or data into signal forms which can be used for communication, transmission and storage, and is widely applied to the interior because the encoder can convert angular displacement into electric signals and measure the rotating speed of a motor, when the encoder is actually used, the encoder is connected with the side surface of a motor rotor in a way of generally using a rack and pinion, a chain, a belt, a friction rotating wheel and the like, when the motor rotor rotates, the rotor of the encoder is driven to rotate by the rotation of the rack and pinion, the chain, the belt and the friction rotating wheel, and then the rotating speed of the motor is measured.
Disclosure of Invention
In view of the above drawbacks or needs for improvement in the prior art, the present invention provides an encoder device, in which a first connecting portion and a second connecting portion are wrapped by a circular-pot-shaped buffer, so that when a motor rotor shakes radially, the first connecting portion and the second connecting portion can transmit radial impact to the circular-pot-shaped buffer around the first connecting portion and the second connecting portion, so as to eliminate the radial shake, thereby preventing an error or damage of a measurement accuracy of the encoder due to the radial shake.
According to an aspect of the invention, an encoder apparatus comprises: the rotary transformer comprises an upper flange shaft, a round pot-shaped buffer part, a lower flange shaft, a mounting seat and a rotary transformer which are connected in sequence;
the upper flange shaft, the circular pot-shaped buffer part and the lower flange shaft are vertically arranged after being connected, a first connecting disc is arranged at one end, away from the circular pot-shaped buffer part, of the lower flange shaft, the first connecting disc is used for connecting a motor rotor, the circular pot-shaped buffer part has elasticity, the circular pot-shaped buffer part is provided with an upper end face and a lower end face which are arranged correspondingly, the upper flange shaft and the lower flange shaft are connected to the upper end face of the circular pot-shaped buffer part and the lower end face of the circular pot-shaped buffer part respectively, a first connecting part is arranged at one end, close to the upper end face, of the upper flange shaft, a second connecting part is arranged at one end, close to the lower end face, of the lower flange shaft, and the circular pot-shaped buffer part can wrap the first connecting part and the second connecting part so that the circular pot-shaped buffer part is connected with the upper flange shaft and the lower flange shaft;
the mounting seat comprises an upper mounting seat and a lower mounting seat, the lower mounting seat is provided with a second connecting disc, the second connecting disc is used for connecting a stator of a motor, a connecting channel for the upper flange shaft to pass through is arranged between the upper mounting seat and the lower mounting seat, the lower mounting seat is provided with an accommodating cavity for accommodating the cylindrical pot-shaped buffer part, and the upper mounting seat is provided with a mounting cavity;
the rotary transformer is provided with a rotary transformer rotor and a rotary transformer stator, the rotary transformer rotor is sleeved in the rotary transformer stator, the upper flange shaft is provided with a rotating ring, the rotating ring is used for clamping the upper side and the lower side of the rotary transformer rotor, the upper flange shaft drives the rotary transformer rotor to rotate through the rotating ring, and the rotary transformer stator is fixed in the installation cavity.
Further, the first connecting part can be inserted into the round pot-shaped buffer part to be wrapped by the round pot-shaped buffer part;
the second connecting portion can be inserted into the round pot-shaped buffer member to be wrapped by the round pot buffer member.
Furthermore, the upper flange shaft is connected with one end of the upper end surface in a protruding manner in the radial direction to form the first connecting part, the upper end surface is provided with a first mounting opening, the first mounting opening is used for the first connecting part to be inserted, and the cross-sectional area of the first mounting opening is smaller than that of the first connecting part;
the lower flange shaft is connected with one end of the lower end face in a radial protruding mode to form the second connecting portion, a second mounting opening is formed in the lower end face and used for mounting the second connecting portion, and the cross sectional area of the second mounting opening is smaller than that of the second connecting portion.
Furthermore, the upper flange shaft comprises an upper connecting flange, the upper connecting flange is sleeved outside the first mounting hole, the upper connecting flange and the first connecting part can clamp the circular kettle-shaped buffer part, connectors with matched sizes are arranged on the upper connecting flange, the circular kettle-shaped buffer part and the first connecting part, and the upper flange shaft penetrates through the connectors through bolts to lock and attach the upper connecting flange, the circular kettle-shaped buffer part and the first connecting part;
go up the flange axle and include flange down, flange cover is located down the second installing port outside, flange down can with the centre gripping of second connecting portion the circle kettle form bolster, flange down the circle kettle form bolster with second connecting portion all are equipped with size complex connector, the encoder device passes through the bolt, attaches with the lock flange down the circle kettle form bolster with second connecting portion.
Further, the mounting seat is provided with an angular contact bearing, the angular contact bearing is arranged in the connecting channel, the angular contact bearing is provided with an inner ring and an outer ring, the inner ring is connected with the upper flange shaft, the inner ring can rotate along with the rotation of the upper flange shaft, the outer ring is fixedly connected with the inner wall of the connecting channel, and the outer ring is used for supporting the inner ring.
Furthermore, the inner wall of the connecting channel is radially and concavely arranged to form a step structure, the step structure extends to the top of the upper mounting seat, a fixing flange is arranged at the top of the upper mounting seat, the fixing flange extends towards the inner side direction of the connecting channel to form a mounting groove, and the outer ring of the angular contact bearing is arranged in the mounting groove;
the fixing flange is provided with a protruding abutting part close to one end of the connecting channel, and the abutting part is abutted to the outer ring of the angular contact bearing so as to fix the outer ring of the angular contact bearing.
Furthermore, the rotating ring comprises an upper rotating ring and a lower rotating ring, the upper rotating ring is arranged at the top of the upper flange shaft and is fixedly connected with the upper flange shaft through a bolt, the periphery of the upper rotating ring is fixedly connected with the top of the rotary transformer rotor, and the upper rotating ring drives the rotary transformer to rotate through the upper flange shaft;
the lower rotating ring is arranged at the bottom of the rotary transformer rotor and connected between the angular contact bearing inner ring and the rotary transformer rotor, and the lower rotating ring drives the rotary transformer rotor to rotate through the angular contact bearing inner ring.
Furthermore, a plurality of process windows are uniformly and respectively arranged on the peripheral wall of the lower mounting seat, the process windows penetrate through the peripheral wall of the lower mounting seat, and the process windows are used for observing the rotation conditions of the upper flange shaft and the lower flange shaft.
Furthermore, the first connecting disc and the lower flange shaft are integrally formed, a plurality of bolt mounting holes are uniformly formed in the periphery of the first connecting disc, and the first connecting disc can be connected with a motor rotor through bolts;
the second connecting disc and the lower mounting seat are integrally formed, a plurality of bolt mounting holes are uniformly formed in the periphery of the second connecting disc, and the second connecting disc can pass through bolts to be connected with a motor stator.
The invention also provides an electrical machine comprising an encoder apparatus as claimed in any one of the preceding claims, the encoder apparatus being provided on the electrical machine.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1. according to the encoder device, the buffer part is arranged to be in the shape of the circular pot and has elasticity, so that when the motor rotor axially moves upwards, the buffer part can axially deform to offset the impact of the axial upward movement of the motor rotor, and the error or damage of the encoder measurement precision is avoided.
2. According to the encoder device, the first connecting part and the second connecting part are wrapped by the circular pot-shaped buffer parts, so that when the motor rotor shakes radially, the first connecting part and the second connecting part can transmit radial impact to the circular pot-shaped buffer parts around the first connecting part and the second connecting part, radial shaking is eliminated, and therefore errors or damage to measurement accuracy of the encoder due to radial shaking can be avoided.
Drawings
FIG. 1 is a schematic structural diagram of an encoder apparatus according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an encoder apparatus according to an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view of fig. 2 at B.
In all the figures, the same reference numerals denote the same features, in particular:
10. an encoder device; 11. an upper flange shaft; 111. a first connection portion; 112. a rotating ring; 1121. an upper rotating ring; 1122. a lower rotating ring; 113. an upper connecting flange; 12. a lower flange shaft; 121. a first connecting disc; 122. a second connecting portion; 123. a lower connecting flange; 13. a circular pot-shaped buffer member; 131. an upper end surface; 1311. a first mounting port; 132. a lower end face; 1321. a second mounting opening; 14. a mounting seat; 141. an upper mounting seat; 1411. a mounting cavity; 1412. a fixed flange; 14121. an abutting portion; 142. a lower mounting seat; 1421. a second connecting disk; 1422. an accommodating chamber; 1423. a process window; 143. a connecting channel; 1431. a step structure; 1432. mounting grooves; 144. an angular contact bearing; 1441. an inner ring; 1442. an outer ring; 15. a rotary transformer; 151. a rotary transformer rotor; 152. a resolver stator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, the present invention provides an encoder device 10, and the encoder device 10 includes an upper flange shaft 11, a circular pot-shaped buffer 13, a lower flange shaft 12, a mounting seat 14, and a resolver 15.
Go up flange axle 11, round pot form bolster 13 and lower flange axle 12 connect gradually, go up flange axle 11, be vertical setting after round pot form bolster 13 and lower flange axle 12 are connected, lower flange axle 12 is kept away from round pot form bolster 13 one end and is equipped with first connection disc 121, first connection disc 121 is used for connecting electric motor rotor, round pot form bolster 13 has elasticity, round pot form bolster 13 has up end 131 and the lower terminal surface 132 who fairly sets up, go up flange axle 11 and lower flange axle 12 and connect respectively in round pot form bolster 13 up end 131 and round pot form bolster 13 lower terminal surface 132. It can be understood, because the bolster is set up to the circular pot form, and the bolster has elasticity, this makes when motor rotor takes place the axial and scurries, axial deformation can take place for the bolster, in order to offset the impact of scurring on the motor rotor axial, in order to avoid encoder measurement accuracy error to appear or damage, on the other hand, because the lateral wall of circular pot form bolster 13 is circular arc curved surface, go up flange shaft 11 and lower flange shaft 12 and connect respectively in circular pot form bolster 13 up end 131 and circular pot form bolster 13 lower end face 132, and circular pot form bolster 13 up end 131 and lower end face 132 diameter are less than circular pot form bolster 13 middle part diameter, this makes circular pot form bolster 13 can effectually bear the weight of the axial impact force, compare in setting up the bolster to cylindric or cube shape, anti axial shock ability is better, and life is longer.
Further, one end of the upper flange shaft 11 close to the upper end face 131 is provided with a first connecting portion 111, one end of the lower flange shaft 12 close to the lower end face 132 is provided with a second connecting portion 122, and the circular pot-shaped buffer member 13 can be wrapped on the first connecting portion 111 and the second connecting portion 122, so that the circular pot-shaped buffer member 13 is connected with the upper flange shaft 11 and the lower flange shaft 12. The advantage that sets up like this lies in, on the one hand can make the round pot form bolster 13 and upper flange axle 11 and lower flange axle 12 be connected closely, avoid round pot form bolster 13 and upper flange axle 11 and lower flange axle 12 to take place to become flexible, on the other hand, because first connecting portion 111 and second connecting portion 122 are wrapped up by round pot form bolster 13, when the motor rotor shakes radially, first connecting portion 111 and second connecting portion 122 can transmit radial impact to the round pot form bolster 13 around first connecting portion 111 and the second connecting portion 122, in order to eliminate radial shake, so, can avoid the encoder because radial shake and measurement accuracy appears the error or damages.
The mounting seat 14 includes an upper mounting seat 141 and a lower mounting seat 142, the lower mounting seat 142 is provided with a second connecting disc 1421, the second connecting disc 1421 is used for connecting a stator of the motor, a connecting channel 143 for the upper flange shaft 11 to pass through is arranged between the upper mounting seat 141 and the lower mounting seat 142, the lower mounting seat 142 is provided with an accommodating cavity 1422 for accommodating the round pot-shaped buffer member 13, and the upper mounting seat 141 is provided with a mounting cavity 1411.
The rotary transformer 15 has a rotary transformer rotor 151 and a rotary transformer stator 152, the rotary transformer rotor 151 is sleeved in the rotary transformer stator 152, the upper flange shaft 11 is provided with a rotating ring 112, the rotating ring 112 is used for clamping the upper side and the lower side of the rotary transformer rotor 151, the upper flange shaft 11 drives the rotary transformer rotor 151 to rotate through the rotating ring 112, and the rotary transformer stator 152 is fixed in the installation cavity 1411. Because the principle that resolver 15 tests the speed of the motor, for prior art, here, do not do too much repeated description, when generally using, often pass through mode and the motor rotor of drive gear or conveyer belt with resolver's rotor and be connected, and then measure the speed to the motor, however, pass through the centre gripping in this embodiment and rotate in order to realize resolver rotor 151, swivel ring 112 and resolver 15 rotor friction surface are less, can improve resolver rotor 151 measurement accuracy.
In this embodiment, the upper mounting seat 141 and the lower mounting seat 142 are integrally formed, and since the second connecting disc 1421 is connected to the stator of the motor and the resolver stator 152 is fixed to the mounting cavity 1411, the resolver stator 152 and the stator of the motor can be relatively kept stationary, and meanwhile, since the resolver 15 rotor is clamped by the rotating ring 112, the resolver 15 and the motor rotor can relatively rotate, so as to measure the speed of the motor rotor.
In an embodiment, the first connecting portion 111 can be inserted into the circular-pot-shaped buffer member 13 to be wrapped by the circular-pot-shaped buffer member, and the second connecting portion 122 can be inserted into the circular-pot-shaped buffer member 13 to be wrapped by the circular-pot-shaped buffer member. It can be understood that, through the inserted mode, on the one hand, the detachable connection of first connecting portion 111 and second connecting portion 122 and circular kettle-shaped buffer member 13 can be realized, in order to realize that one of upper flange axle 11, lower flange axle 12 and circular kettle-shaped buffer member 13 damages, can maintain, on the other hand, the depth of insertion can be realized to be controllable, it can be understood that, when first connecting portion 111 and the axial circular kettle-shaped buffer member 13 of second connecting portion 122 are more, the axial buffering effect of encoder device 10 is better, when first connecting portion 111 and the radial circular kettle-shaped buffer member 13 that is wrapped up of second connecting portion 122 are more, the radial buffering effect of encoder device 10 is better, thus, can be according to actual need with the depth of control first connecting portion 111 and second connecting portion 122 inserted.
In an embodiment, one end of the upper flange shaft 11 connected to the upper end surface 131 is radially protruded to form a first connection portion 111, the upper end surface 131 is provided with a first mounting opening 1311, the first mounting opening 1311 is used for inserting the first connection portion 111, the cross-sectional area of the first mounting opening 1311 is smaller than the cross-sectional area of the first connection portion 111, one end of the lower flange shaft 12 connected to the lower end surface 132 is radially protruded to form a second connection portion 122, the lower end surface 132 is provided with a second mounting opening 1321, the second mounting opening 1321 is used for inserting the second connection portion 122, and the cross-sectional area of the second mounting opening 1321 is smaller than the cross-sectional area of the second connection portion 122. The advantage of this setting is that can make the round pot shape bolster 13 closely be connected with first connecting portion 111 and second connecting portion 122, avoid first connecting portion 111 and second connecting portion 122 to take place to drop with round pot shape bolster 13 in the axial.
In an embodiment, the upper flange shaft 11 further includes an upper connecting flange 113, the upper connecting flange 113 is sleeved outside the first mounting hole 1311, the upper connecting flange 113 can clamp the circular-pot-shaped buffer member 13 with the first connecting portion 111, the upper connecting flange 113, the circular-pot-shaped buffer member 13 and the first connecting portion 111 are provided with connecting ports with matched sizes, the upper flange shaft 11 can pass through the connecting ports through bolts to lock the upper connecting flange 113, the circular-pot-shaped buffer member 13 and the first connecting portion 111, the lower flange shaft 12 includes a lower connecting flange 123, the lower connecting flange 123 is sleeved outside the second mounting hole 1321, the lower connecting flange 123 can clamp the circular-pot-shaped buffer member 13 with the second connecting portion 122, the lower connecting flange 123, the circular-pot-shaped buffer member 13 and the second connecting portion 122 are provided with lower connecting ports with matched sizes, and the lower flange shaft 12 can pass through the connecting ports to lock the lower connecting flange 123, the circular-pot-shaped buffer member 13 and the second connecting portion 122. It can be understood that, through the mode of centre gripping, the round pot form bolster 13 is connected more closely with first connecting portion 111 and second connecting portion 122, is avoiding round pot form bolster 13 and first connecting portion 111 and second connecting portion 122 axial under the not hard up prerequisite, can also effectively avoid round pot form bolster 13 and first connecting portion 111 and second connecting portion 122 radial not hard up.
In an embodiment, the mounting seat 14 is provided with an angular contact bearing 144, the angular contact bearing 144 is provided in the connecting channel 143, the angular contact bearing 144 has an inner ring 1441 and an outer ring 1442, the inner ring 1441 is connected with the upper flange shaft 11, the inner ring 1441 can rotate with the rotation of the upper flange shaft 11, the outer ring 1442 is fixedly connected with the inner wall of the connecting channel 143, and the outer ring 1442 is used for supporting the inner ring 1441. It can be understood that the angular contact bearing 144 can fixedly support the upper flange shaft 11 in the connecting channel 143, so as to prevent the upper flange shaft 11 from having a gap with the connecting channel 143, which causes the upper flange shaft 11 to axially shake in the connecting channel 143, and at the same time, the angular contact bearing 144 can position the upper flange shaft 11, so as to ensure that the upper flange shaft 11 and the lower flange shaft 12 are in a vertical straight line.
In an embodiment, an inner wall of the connecting channel 143 is recessed radially to form a step structure 1431, the step structure 1431 extends to a top of the upper mounting seat 141, a fixing flange 1412 is disposed at the top of the upper mounting seat 141, the fixing flange 1412 extends towards an inner side of the connecting channel 143 to form a mounting groove 1432, an outer ring 1442 of the angular contact bearing 144 is disposed in the mounting groove 1432, one end of the fixing flange 1412, which is close to the connecting channel 143, is provided with a raised abutting portion 14121, and the abutting portion 14121 abuts against the outer ring 1442 of the angular contact bearing 144 to fix the outer ring 1442 of the angular contact bearing 144. It can be understood that the angular contact bearing 144 can be fixed by the mounting groove 1432, and at the same time, the protruding abutting portion 14121 of the fixing flange 1412 can ensure that only the outer ring 1442 is contacted, and the contact with the inner ring 1441 is avoided, so that the rotation of the inner ring 1441 is interfered.
In an embodiment, the rotating ring 112 includes an upper rotating ring 1121 and a lower rotating ring 1122, the upper rotating ring 1121 is disposed on the top of the upper flange shaft 11 and is fixedly connected to the upper flange shaft 11 through a bolt, the outer periphery of the upper rotating ring 1121 is fixedly connected to the top of the resolver rotor 151, the upper rotating ring 1121 drives the resolver 15 to rotate through the upper flange shaft 11, the lower rotating ring 1122 is disposed on the bottom of the resolver rotor 151 and is connected between the inner ring 1441 of the angular contact bearing 144 and the resolver rotor 151, and the lower rotating ring 1122 drives the resolver rotor 151 to rotate through the inner ring 1441 of the angular contact bearing 144. It can be understood that the encoder device 10 of the present invention is clamped by the upper rotating ring 1121 and the lower rotating ring 1122 to rotate the resolver rotor 151 and measure the speed of the motor rotor, and this up-down clamping manner can effectively reduce the contact area with the resolver 15 to improve the detection accuracy of the resolver 15.
In an embodiment, the peripheral wall of the lower mounting base 142 has a plurality of process windows 1423 uniformly and respectively, the process windows 1423 penetrate through the peripheral wall of the lower mounting base 142, and the process windows 1423 are used for observing the rotation of the upper flange shaft 11 and the lower flange shaft 12. It can be understood that after long-term operation, because spare parts are loose, the rotation state deviation easily appears in the upper flange axle 11 and the lower flange axle 12, can observe the rotation condition through process window 1423 this moment, and through process window 1423 to maintain upper flange axle 11 and lower flange axle 12, the condition of wearing and tearing also can appear in the circular kettle-shaped buffer 13 after long-term operation simultaneously, can in time socket the degree of wear of circular kettle-shaped buffer 13 through process window 1423, and change circular kettle-shaped buffer 13 through process window 1423.
In one embodiment, the first connection disc 121 is integrally formed with the lower flange shaft 12, the cross-sectional area of the first connection disc 121 is greater than that of the lower flange shaft 12, a plurality of bolt installation holes are uniformly formed on the outer circumference of the first connection disc 121, and the first connection disc 121 can be connected to the motor rotor through bolts. It can be understood that, since the first connection disc 121 is directly connected to the motor rotor, the cross-sectional area of the first connection disc 121 is increased, so that the first connection disc 121 is tightly connected to the motor rotor, thereby preventing looseness, and the first connection disc 121 and the lower flange shaft 12 are integrally formed, so that the connection strength between the first connection disc 121 and the lower flange shaft 12 can be improved, and the high-strength rotation operation can be adapted.
Further, the second connecting disc 1421 and the lower mounting base 142 are integrally formed, the cross-sectional area of the second connecting disc 1421 is larger than that of the lower mounting base 142, a plurality of bolt mounting holes are uniformly formed in the periphery of the second connecting disc 1421, and the second connecting disc 1421 can be connected with the motor stator through bolts. It will be appreciated that the first connector disc 121 is integrally formed with the lower flange shaft 12 and the second connector disc 1421 is integrally formed with the lower mounting block 142. It can be understood that, since the second connecting disk 1421 is directly connected to the motor stator, the cross-sectional area of the second connecting disk 1421 is increased, so that the second connecting disk 1421 is tightly connected to the motor stator, the second connecting disk 1421 becomes loose due to the shaking of the motor, and the second connecting disk 1421 and the lower mounting base 142 are integrally formed, so that the connection strength between the second connecting disk 1421 and the lower mounting base 142 can be improved to adapt to the high-strength rotation work.
The present invention also provides a motor comprising an encoder apparatus 10 as defined in any one of the above, the motor being fitted with the encoder apparatus 10. Since the motor adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and detailed description is omitted here, and the motor includes, but is not limited to, a direct current motor and an alternating current motor. It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An encoder apparatus, comprising:
the upper flange shaft, the round pot-shaped buffer part and the lower flange shaft are connected in sequence and then vertically arranged, a first connecting disc is arranged at one end, far away from the round pot-shaped buffer part, of the lower flange shaft and used for connecting a motor rotor, the round pot-shaped buffer part is elastic, the round pot-shaped buffer part is provided with an upper end face and a lower end face which are arranged correspondingly, the upper flange shaft and the lower flange shaft are connected to the upper end face and the lower end face of the round pot-shaped buffer part respectively, a first connecting part is arranged at one end, close to the upper end face, of the upper flange shaft, a second connecting part is arranged at one end, close to the lower end face, of the lower flange shaft, and the round pot-shaped buffer part can wrap the first connecting part and the second connecting part so as to realize that the round pot-shaped buffer part is connected with the upper flange shaft and the lower flange shaft;
the mounting seat comprises an upper mounting seat and a lower mounting seat, the lower mounting seat is provided with a second connecting disc, the second connecting disc is used for connecting a stator of a motor, a connecting channel for the upper flange shaft to pass through is arranged between the upper mounting seat and the lower mounting seat, the lower mounting seat is provided with an accommodating cavity for accommodating the round pot-shaped buffer part, and the upper mounting seat is provided with a mounting cavity;
the rotary transformer is provided with a rotary transformer rotor and a rotary transformer stator, the rotary transformer rotor is sleeved in the rotary transformer stator, the upper flange shaft is provided with a rotating ring, the rotating ring is used for clamping the upper side and the lower side of the rotary transformer rotor, the upper flange shaft drives the rotary transformer rotor to rotate through the rotating ring, and the rotary transformer stator is fixed in the installation cavity.
2. The encoder device according to claim 1, wherein the first connecting portion is insertable into the circular pot shaped buffer member to be wrapped by the circular pot buffer member;
the second connecting portion can be inserted into the round pot-shaped buffer member to be wrapped by the round pot buffer member.
3. The encoder device according to claim 2, wherein the upper flange shaft is connected with one end of the upper end surface in a radially protruding manner to form the first connecting portion, the upper end surface is provided with a first mounting opening, the first mounting opening is used for inserting the first connecting portion, and the cross-sectional area of the first mounting opening is smaller than that of the first connecting portion;
the lower flange shaft is connected with one end of the lower end face in a radially protruding mode to form the second connecting portion, a second mounting opening is formed in the lower end face and used for mounting the second connecting portion, and the cross sectional area of the second mounting opening is smaller than that of the second connecting portion.
4. The encoder device according to claim 3, wherein the upper flange shaft comprises an upper connecting flange, the upper connecting flange is sleeved outside the first mounting opening, the upper connecting flange and the first connecting portion can clamp the circular-pot-shaped buffer member, the upper connecting flange, the circular-pot-shaped buffer member and the first connecting portion are provided with connecting ports with matched sizes, and the upper flange shaft passes through the connecting ports through bolts to lock and attach the upper connecting flange, the circular-pot-shaped buffer member and the first connecting portion;
go up the flange axle and include flange down, flange cover is located down the second installing port outside, flange down can with the centre gripping of second connecting portion the circle kettle form bolster, flange down the circle kettle form bolster with second connecting portion all are equipped with size complex connector, the encoder device passes through the bolt, attaches with the lock flange down the circle kettle form bolster with second connecting portion.
5. The encoder device according to any one of claims 1 to 4, wherein the mounting seat is provided with an angular contact bearing, the angular contact bearing is provided in the connection channel, the angular contact bearing has an inner ring and an outer ring, the inner ring is connected with the upper flange shaft, the inner ring can rotate along with the rotation of the upper flange shaft, the outer ring is fixedly connected with the inner wall of the connection channel, and the outer ring is used for supporting the inner ring.
6. The encoder device according to claim 5, wherein the inner wall of the connecting channel is recessed radially to form a step structure, the step structure extends to the top of the upper mounting seat, the top of the upper mounting seat is provided with a fixing flange, the fixing flange extends towards the inner side of the connecting channel to form a mounting groove, and the outer ring of the angular contact bearing is arranged in the mounting groove;
the fixing flange is provided with a protruding abutting part close to one end of the connecting channel, and the abutting part is abutted to the outer ring of the angular contact bearing so as to fix the outer ring of the angular contact bearing.
7. The encoder device of claim 5, wherein the rotating ring comprises an upper rotating ring and a lower rotating ring, the upper rotating ring is disposed on the top of the upper flange shaft and is fixedly connected with the upper flange shaft through bolts, the outer periphery of the upper rotating ring is fixedly connected with the top of the rotary transformer rotor, and the upper rotating ring drives the rotary transformer to rotate through the upper flange shaft;
the lower rotating ring is arranged at the bottom of the rotary transformer rotor and connected between the angular contact bearing inner ring and the rotary transformer rotor, and the lower rotating ring drives the rotary transformer rotor to rotate through the angular contact bearing inner ring.
8. The encoder device according to any one of claims 1 to 4, wherein a plurality of process windows are uniformly and respectively formed on the peripheral wall of the lower mounting seat, the process windows penetrate through the peripheral wall of the lower mounting seat, and the process windows are used for observing the rotation of the upper flange shaft and the lower flange shaft.
9. The encoder device according to any one of claims 1 to 4, wherein the first connection disk is integrally formed with the lower flange shaft, a plurality of bolt mounting holes are uniformly formed on the outer circumference of the first connection disk, and the first connection disk can be connected to the motor rotor by bolts;
the second is connected the disc with mount pad integrated into one piece down, the periphery of second connection disc evenly is equipped with a plurality of bolt mounting holes, second connection disc accessible bolt is in order to connect motor stator.
10. An electric machine comprising an encoder device as claimed in any one of claims 1 to 9, the encoder device being provided on the electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211535215.4A CN115776210B (en) | 2022-11-30 | 2022-11-30 | Encoder device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211535215.4A CN115776210B (en) | 2022-11-30 | 2022-11-30 | Encoder device and motor |
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| CN115776210A true CN115776210A (en) | 2023-03-10 |
| CN115776210B CN115776210B (en) | 2023-07-04 |
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| CN202211535215.4A Active CN115776210B (en) | 2022-11-30 | 2022-11-30 | Encoder device and motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN216414105U (en) * | 2021-09-30 | 2022-04-29 | 浙江江潮电机实业有限公司 | Mounting structure adaptive to multi-type encoders |
| CN216819620U (en) * | 2022-03-14 | 2022-06-24 | 佛山市涂泊斯机械设备有限公司 | Concentric mounting structure device of encoder |
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| CN201290051Y (en) * | 2008-10-28 | 2009-08-12 | 无锡华达电机有限公司 | Encoder mounting structure |
| CN101841205A (en) * | 2009-03-16 | 2010-09-22 | 苏州能健电气有限公司 | Series excited motor for variable-blade wind power generation |
| CN201869035U (en) * | 2010-12-02 | 2011-06-15 | 新疆八一钢铁股份有限公司 | Improved encoder support |
| CN113922592A (en) * | 2020-07-09 | 2022-01-11 | 上海梅山钢铁股份有限公司 | Large-scale vertical roll motor encoder installation component |
| CN112228479A (en) * | 2020-10-26 | 2021-01-15 | 上海三菱电梯有限公司 | Brake for elevator traction machine and implementation method thereof |
| CN214205261U (en) * | 2021-01-18 | 2021-09-14 | 无锡圣澳德电子科技有限公司 | Motor integrated photoelectric servo encoder |
| CN214412533U (en) * | 2021-04-02 | 2021-10-15 | 常州蔓菲士电子科技有限公司 | Split type mounting structure of servo motor encoder |
| CN214900556U (en) * | 2021-04-21 | 2021-11-26 | 广东省东莞电机有限公司 | Encoder mounting structure for motor |
| CN216414105U (en) * | 2021-09-30 | 2022-04-29 | 浙江江潮电机实业有限公司 | Mounting structure adaptive to multi-type encoders |
| CN216819620U (en) * | 2022-03-14 | 2022-06-24 | 佛山市涂泊斯机械设备有限公司 | Concentric mounting structure device of encoder |
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| CN115776210B (en) | 2023-07-04 |
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