CN111865044A - Speed regulation type coupler and speed regulation method thereof - Google Patents

Speed regulation type coupler and speed regulation method thereof Download PDF

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Publication number
CN111865044A
CN111865044A CN202010901990.1A CN202010901990A CN111865044A CN 111865044 A CN111865044 A CN 111865044A CN 202010901990 A CN202010901990 A CN 202010901990A CN 111865044 A CN111865044 A CN 111865044A
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China
Prior art keywords
disc
permanent magnet
air gap
disk
assembly
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CN202010901990.1A
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Chinese (zh)
Inventor
黄忠念
王琪华
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Nanjing Magnet Intelligent Technology Co ltd
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Nanjing Magnet Intelligent Technology Co ltd
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Priority to CN202010901990.1A priority Critical patent/CN111865044A/en
Publication of CN111865044A publication Critical patent/CN111865044A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/104Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
    • H02K49/108Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

The invention discloses a speed regulation type coupler which comprises a load side conductor disc assembly, a motor side conductor disc assembly, two disc type permanent magnet assemblies, a motor side flange, a load side flange and a manual regulation assembly for regulating the load size under a line, wherein the manual regulation assembly comprises a first regulation unit for regulating the air gap between the A disc permanent magnet assembly and the load side conductor disc assembly and a second regulation unit for regulating the air gap between the B disc permanent magnet assembly and the motor side conductor disc assembly; the first adjusting unit comprises at least three A-disk fastening bolt and nut pairs and at least three A-disk adjusting bolts, and the second adjusting unit comprises at least three B-disk fastening bolt and nut pairs and at least three B-disk adjusting bolts. The invention also discloses a speed regulating method. The permanent magnet coupler speed regulation device has the advantages that the first regulation unit and the second regulation unit respectively regulate two air gaps, so that the speed regulation of the permanent magnet coupler is realized, and the speed regulation can be realized without a control system.

Description

Speed regulation type coupler and speed regulation method thereof
Technical Field
The invention relates to a coupler, in particular to a speed-regulating coupler.
Background
The permanent magnet coupler realizes torque transmission from the motor to a load through an air gap between a copper conductor and a permanent magnet, and the permanent magnet coupler realizes no rigid connection between the load and the motor.
At present, after a permanent magnet coupler is installed between a motor and a load, the air gap between a copper conductor and a permanent magnet in the permanent magnet coupler cannot be adjusted; if the air gap needs to be changed, only the connecting flange between the permanent magnet coupler and the motor shaft or the connecting flange between the permanent magnet coupler and the load can be adjusted.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a speed-regulating coupler aiming at the defects of the prior art, which has the advantages of simple structure, simple operation and high cost performance; the adjustment of the air gap can be carried out without adjusting the connecting flange on the motor side or the load side.
The technical scheme is as follows: a speed regulation type coupler comprises a load side conductor disc assembly, a motor side conductor disc assembly, two disc type permanent magnet assemblies, a motor side flange, a load side flange and a manual regulation assembly for regulating the size of a load under a line, wherein the load side conductor disc assembly and the motor side conductor disc assembly are parallel and arranged at intervals; two disc permanent magnet assemblies are arranged in the conductor frame, the two disc permanent magnet assemblies are parallel to the load-side conductor disc assembly and the motor-side conductor disc assembly, and a plurality of guide sliding rods are arranged between the two disc permanent magnet assemblies.
Defining two disc type permanent magnet assemblies as an A disc type permanent magnet assembly and a B disc type permanent magnet assembly respectively, wherein an air gap is formed between the A disc type permanent magnet assembly and the load side conductor disc assembly, an air gap is formed between the B disc type permanent magnet assembly and the motor side conductor disc assembly, and the distance between the two air gaps is equal; the axial positions of the A disc permanent magnet assembly and the B disc permanent magnet assembly are provided with shaft holes, the shaft holes in the two disc permanent magnet assemblies are slidably sleeved on a load shaft sleeve of a load side flange, a manual adjusting assembly drives the load shaft sleeve of the two disc permanent magnet assemblies on the load side flange to move axially to change the distance of an air gap, a circle of limiting nut used for limiting the minimum air gap between the B disc permanent magnet assembly and a motor side conductor disc assembly is arranged at the port of the load shaft sleeve, and an annular notch is formed in the B disc permanent magnet assembly corresponding to the limiting nut.
The manual adjustment assembly includes a first adjustment unit for an air gap between the A-disk permanent magnet assembly and the load-side conductor disk assembly and a second adjustment unit for an air gap between the B-disk permanent magnet assembly and the motor-side conductor disk assembly.
The first adjusting unit comprises at least three A-disc fastening bolt and nut pairs and at least three A-disc adjusting bolts, the A-disc fastening nuts are in threaded connection with the A-disc fastening bolts, the A-disc fastening bolts are in threaded connection with first threaded holes formed in a flange plate of a load side flange, the end faces of the A-disc fastening nuts are tightly attached to the outer ring face of the flange plate, the end portions of the A-disc fastening bolts extend into first grooves formed in the A-disc permanent magnet assembly, and all the A-disc fastening bolt and nut pairs are located on the same circumference and are uniformly distributed; the A plate adjusting bolt is inserted into a first through hole formed in a flange plate of the load side flange, the A plate adjusting bolt is in threaded connection with a second threaded hole formed in the A plate permanent magnet assembly, and the end face of the bolt head of the A plate adjusting bolt is tightly attached to the outer ring surface of the flange plate; (ii) a All A-disk adjusting bolts and all A-disk fastening bolt and nut pairs are positioned on the same circumference, and all A-disk adjusting bolts and all A-disk fastening bolt and nut pairs are alternately arranged.
The second adjusting unit comprises at least three B-disk fastening bolt and nut pairs and at least three B-disk adjusting bolts, the B-disk fastening bolts are connected with the disk fastening nuts in a threaded mode, the B-disk fastening bolts simultaneously penetrate through a second through hole formed in a flange plate of the load side flange and a third through hole formed in the A-disk permanent magnet assembly and extend into a second groove formed in the B-disk permanent magnet assembly, and the nut end face of the B-disk fastening nuts is tightly attached to the outer ring face of the flange plate; all the B-disk fastening bolt and nut pairs are positioned on the same circumference and are uniformly distributed, and the diameter of a circle where all the B-disk fastening bolt and nut pairs are positioned is larger than that of a circle where all the A-disk fastening bolt and nut pairs are positioned; the B-plate adjusting bolt penetrates through a fourth through hole formed in a flange plate of the load side flange and a fifth through hole formed in the A-plate permanent magnet assembly and is in threaded connection with a third threaded hole formed in the B-plate permanent magnet assembly, and the end face of a bolt head of the B-plate adjusting bolt is tightly attached to the outer ring surface of the flange plate; all B-disk adjusting bolts and all B-disk fastening bolt and nut pairs are positioned on the same circumference, and all B-disk adjusting bolts and all B-disk fastening bolt and nut pairs are alternately arranged.
The technical scheme for further limiting the speed-regulating coupler of the invention is as follows:
and the hole walls of the shaft holes on the two disc type permanent magnet assemblies are embedded with sliding blocks, and the sliding blocks are made of polytetrafluoroethylene. The design of the sliding block is to avoid friction between steel pieces, and the sliding block is semi-cylindrical.
The cross section of the load shaft sleeve is square. The A disc permanent magnet assembly, the B disc permanent magnet assembly and the load side flange are guided through square shafts, so that the A disc permanent magnet assembly, the B disc permanent magnet assembly and the load side flange synchronously rotate.
All the support frames enclose an annular frame, two symmetrical end surfaces of each support frame are provided with two sections of scales for reacting air gaps, and the division value of the two sections of scales is 1 mm; the two scales increase from the two ends to the middle scale value. The air gap can be measured more intuitively by setting the two sections of scales.
The invention provides a speed regulating method of a speed regulating type coupler, which comprises the following steps:
step 1, installing a speed-regulating coupler, wherein a motor side flange is connected with a motor shaft, and a load side flange is connected with a load shaft; the disk A permanent magnet assembly is tightly attached to the end face of the flange plate of the load side flange, the limit nut is arranged in the annular notch of the disk B permanent magnet assembly, and the outer disk face of the disk B permanent magnet assembly, the end face of the outer nut of the limit nut and the end face of the sleeve opening of the load shaft sleeve are coplanar; this position is the initial position, the air gap is at a minimum;
step 2, increasing two air gaps according to the change requirement of the field load; defining an air gap between the disk A permanent magnet assembly and the load side conductor disk assembly as a first air gap, and defining an air gap between the disk B permanent magnet assembly and the motor side conductor disk assembly as a second air gap;
step 3, the first air gap is repeatedly increased and adjusted for multiple times at a distance of 0.2mm-2mm through the first adjusting unit until the first air gap reaches an air gap distance value meeting the load requirement;
3.1, loosening all A-disk fastening bolt and nut pairs to enable the end parts of the A-disk fastening bolts to be separated from first grooves formed in the A-disk permanent magnet assembly;
step 3.2, rotating all the A disc adjusting bolts one by one, and increasing the first air gap by 0.2mm-2mm after the first rotation action of all the A disc adjusting bolts is completed;
3.3, repeating the step 3.2, and finishing the second rotation action and the third rotation action … … by all the A disc adjusting bolts until the first air gap reaches the air gap distance value meeting the load requirement;
3.4, utilizing all the disk A fastening bolt and nut pairs to enable the end part of the disk A fastening bolt to prop against the bottom of a first groove formed in the disk A permanent magnet assembly to stabilize a first air gap;
step 4, repeating the increasing and adjusting of the second air gap for multiple times at a distance of 0.2mm-2mm through the second adjusting unit until the second air gap reaches the distance value of the air gap meeting the load requirement;
step 4.1, loosening all B-disk fastening bolt and nut pairs, and enabling the B-disk fastening bolts to exit from second grooves in the B-disk permanent magnet assembly;
4.2, rotating all B-disc adjusting bolts one by one, and increasing the second air gap by 0.2-2 mm after the first rotation action of all B-disc adjusting bolts is finished;
4.3, repeating the step 4.2, and finishing the second rotation action and the third rotation action … … by all the B-disc adjusting bolts until the second air gap reaches the air gap distance value meeting the load requirement;
4.4, utilizing all B-disk fastening bolts to prop against the bottom of a second groove in the B-disk permanent magnet assembly to stabilize a second air gap;
step 5, starting the motor, and stably operating the speed-regulating coupler;
step 6, reducing two air gaps according to the requirement of field load change;
step 7, stopping the motor, and stopping the speed-regulating coupler;
step 8, the first air gap is reduced and adjusted repeatedly for a plurality of times at a distance of 0.2mm-2mm through the first adjusting unit until the first air gap reaches an air gap distance value meeting the load requirement;
8.1, loosening all the A-disc fastening bolts to enable the end heads of the A-disc fastening bolts to finish withdrawing from the first grooves formed in the A-disc permanent magnet assembly;
step 8.2, the A disc adjusting bolts are rotated one by one, and after all the A disc adjusting bolts complete the first rotating action, the distance of the first air gap is reduced by 1mm-2 mm;
8.3, repeating the step 8.2, and finishing the second rotation action and the third rotation action … … by all the A disc adjusting bolts until the distance of the first air gap reaches the distance value of the air gap meeting the load requirement;
8.4, utilizing all the A disc fastening bolts to prop against the bottoms of all the first grooves on the A disc permanent magnet assemblies to stabilize the first air gaps;
step 9, repeating the reduction of the second air gap for multiple times at a distance of 0.2mm-2mm through the second adjusting unit until the second air gap reaches the distance value of the air gap meeting the load requirement;
9.1, loosening all B-disk fastening bolts, and enabling the end heads of the B-disk fastening bolts to finish withdrawing from a second groove on the B-disk permanent magnet assembly;
step 9.2, rotating all B-disk adjusting bolts one by one, screwing the B-disk adjusting bolts into all third threaded holes in the B-disk permanent magnet assembly, and reducing the distance of the second air gap by 0.2-2 mm after all B-disk adjusting bolts complete the first rotation action;
9.3, repeating the step 9.2, and finishing the second rotation action and the third rotation action … … by all the B-disc adjusting bolts until the distance of the second air gap reaches the distance value of the air gap meeting the load requirement;
9.4, utilizing all the B-disk fastening bolts to enable the end heads of the B-disk fastening bolts to prop against the bottom of a second groove in the B-disk permanent magnet assembly so as to stabilize a second air gap;
and step 10, starting the motor, and stably operating the speed-regulating coupler.
The technical scheme for further limiting the speed regulating method of the invention is as follows:
step 3.4 and step 8.4 are specifically: and screwing all the A disc fastening bolts for multiple times, screwing all the A disc fastening bolts into the A disc fastening bolts for 1-2mm in depth after the first rotation action is completed, and repeating the second rotation action and the third rotation action … … of all the A disc fastening bolts until the A disc fastening bolts cannot be screwed in any more.
Step 4.4 and step 9.4 are specifically: and screwing all the B-disk fastening bolts for multiple times, screwing all the B-disk fastening bolts into the cylinder for 1-2mm in depth after the first rotation action is completed, and repeating … … the second rotation action and the third rotation action of all the B-disk fastening bolts until the B-disk fastening bolts cannot be screwed in any more.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the speed-regulating coupler, the first regulating unit and the second regulating unit respectively regulate two air gaps, so that the speed regulation of the permanent magnet coupler is realized, and the speed regulation can be realized without a control system.
2. The speed-regulating coupler has the advantages of simple structure and high cost performance.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1 (with the upper half broken away).
Fig. 4 is a view of fig. 2 with an increased air gap.
Fig. 5 is a view of fig. 3 with an increased air gap.
Detailed Description
The technical solution of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
In order to make the disclosure of the present invention more comprehensible, the following description is further made in conjunction with fig. 1 to 5 and the 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.
Example 1
As shown in fig. 1 and 2, the present embodiment 1 provides a speed-regulating coupler, which includes a load-side conductor disc assembly 1, a motor-side conductor disc assembly 2, two disc-type permanent magnet assemblies 3, a motor-side flange 4, a load-side flange 5, and a manual adjustment assembly for adjusting the magnitude of a load under a line.
The load side conductor disc assembly 1, the motor side conductor disc assembly 2, and the two disc type permanent magnet assemblies 3 in this embodiment are all known in the art.
As shown in fig. 2, the load side conductor disc assembly 1 and the motor side conductor disc assembly 2 are arranged in parallel and at intervals, a plurality of support frames 6 are arranged between the load side conductor disc assembly 1 and the motor side conductor disc assembly 2, the load side conductor disc assembly 1, the motor side conductor disc assembly 2 and the plurality of support frames 6 enclose a conductor frame, and the motor side flange 4 is connected with the motor side conductor disc assembly 2.
In the specific implementation, the conductor frame is fixed on the motor shaft through the motor side flange 4.
As shown in fig. 2, all the support frames 6 enclose an annular frame, two sections of scales for reacting air gaps are arranged on two symmetrical end faces of each support frame 6, and the division value of the two sections of scales is 1 mm; the two scales increase from the two ends to the middle scale value.
As shown in fig. 2, two disc-type permanent magnet assemblies 3 are placed in the conductor frame, the two disc-type permanent magnet assemblies 3 are parallel to the load-side conductor disc assembly 1 and the motor-side conductor disc assembly 2, and a plurality of guide slide bars 7 are arranged between the two disc-type permanent magnet assemblies 3. Two disc permanent magnet assemblies 3 are defined as an A disc permanent magnet assembly 31 and a B disc permanent magnet assembly 32 respectively, an air gap is formed between the A disc permanent magnet assembly 31 and the load side conductor disc assembly 1, an air gap is formed between the B disc permanent magnet assembly 32 and the motor side conductor disc assembly 2, and the distance between the two air gaps is equal.
The load side conductor disc assembly 1 and the motor side conductor disc assembly 2 are not physically connected with the two disc type permanent magnet assemblies 3, and an air gap is formed, and the size of the air gap can be adjusted according to load requirements through a manual adjusting assembly. The air gap size has a certain negative correlation with the load size of the load, i.e. the larger the air gap, the smaller the output load, and the smaller the air gap, the larger the output load.
As shown in fig. 2, the air gap between the a-disk permanent magnet assembly 31 and the load-side conductor disk assembly 1 is defined as a first air gap 33, and the air gap between the B-disk permanent magnet assembly 32 and the motor-side conductor disk assembly 2 is defined as a second air gap 34.
As shown in fig. 1, 2 and 3, the disc a permanent magnet assembly 31 and the disc B permanent magnet assembly 32 are provided with shaft holes at axial positions, the shaft holes of the two disc permanent magnet assemblies 3 are slidably sleeved on the load shaft sleeve 51 of the load side flange 5, the manual adjustment assembly drives the load shaft sleeve 51 of the two disc permanent magnet assemblies 3 on the load side flange 5 to move axially to change the distance of the air gap, a circle of limit nuts 512 for limiting the minimum air gap between the disc B permanent magnet assembly 32 and the motor side conductor disc assembly 2 is arranged at the port of the load shaft sleeve 51, and the disc B permanent magnet assembly 32 is provided with an annular notch 321 corresponding to the limit nuts 512.
As shown in fig. 2 and 3, when the air gap is at a minimum, the a-disc permanent magnet assembly 31 is tightly attached to the flange end face of the load-side flange 5, and the limit nut 512 is fitted into the annular notch 321 of the B-disc permanent magnet assembly 32, and at this time, the outer disc face of the B-disc permanent magnet assembly 32, the outer nut end face of the limit nut 512 and the spigot end face of the load sleeve 51 are coplanar.
As shown in fig. 1 and 2, the wall of each shaft hole of each of the two disc-type permanent magnet assemblies 3 is embedded with a sliding block 8, and the sliding blocks 8 are made of polytetrafluoroethylene. The slider 8 is semi-cylindrical.
As shown in fig. 1, the load bushing 51 has a square cross-section. The A disc permanent magnet assembly, the B disc permanent magnet assembly and the load side flange are guided through square shafts, so that the A disc permanent magnet assembly, the B disc permanent magnet assembly and the load side flange synchronously rotate. As shown in fig. 1, in the square load bushing 51 of the present embodiment, a plurality of sliding blocks 8 are distributed on each contact surface in the circumferential direction, so that the adjustment resistance is reduced, and the locking is prevented.
In this embodiment, the load bearing 51 may also be guided and synchronously rotated by using spline shafts, round shafts and spline bars.
As shown in fig. 1, 2 and 3, the manual adjustment assembly includes a first adjustment unit of the air gap between the a-disc permanent magnet assembly 31 and the load side conductor disc assembly 1 and a second adjustment unit of the air gap between the B-disc permanent magnet assembly 32 and the motor side conductor disc assembly 2.
The first adjustment unit comprises at least three a-disc fastening bolt and nut pairs 9 and at least three a-disc adjusting bolts 10. As shown in fig. 1, 2 and 3, in the present embodiment, the number of the a-disc fastening bolt and nut pairs 9 is six, and the number of the a-disc adjusting bolts 10 is six.
As shown in fig. 2, the a-disc fastening nuts 92 are connected with the a-disc fastening bolts 91 through threads, the a-disc fastening bolts 91 are connected with the first threaded holes 53 formed in the flange plate 52 of the load-side flange 5 through threads, the nut end faces of the a-disc fastening nuts 92 are tightly attached to the outer annular surface of the flange plate 52, the end portions of the a-disc fastening bolts 91 extend into the first grooves 54 formed in the a-disc permanent magnet assemblies 31, and the six a-disc fastening bolt nut pairs 9 are located on the same circumference and are arranged uniformly.
As shown in fig. 3, the a-plate adjusting bolts 10 are inserted into first through holes 55 formed in the flange plate 52 of the load-side flange 5, the a-plate adjusting bolts 10 are screwed into second threaded holes 56 formed in the a-plate permanent magnet assemblies 31, and the end faces of the bolt heads of the a-plate adjusting bolts 10 are tightly attached to the outer circumferential surface of the flange plate 52 of the load-side flange 5. As shown in fig. 2, six a-disk adjusting bolts 10 and six a-disk fastening bolt and nut pairs 9 are located on the same circumference, and the six a-disk adjusting bolts 10 and the six a-disk fastening bolt and nut pairs 9 are alternately arranged.
In this embodiment, when the first adjusting means adjusts the first air gap 33 to increase, the disc a fastening bolt and nut pair 9 is loosened to adjust all the disc a adjusting bolts 10 (forward rotation of the disc a adjusting bolts 10) to move the disc a permanent magnet assembly 31 on the load bushing 51 of the load-side flange 5, thereby achieving the purpose of adjusting the first air gap to increase. As shown in fig. 4.
Further, when the first adjustment unit performs reduction adjustment of the first air gap 33, the disc a fastening bolt and nut pair 9 is loosened, all the disc a adjusting bolts 10 are adjusted (the disc a adjusting bolts 10 are rotated in the reverse direction), so that the disc a permanent magnet assembly 31 can move on the load bushing 51 of the load side flange 5, and the purpose of reduction adjustment of the first air gap can be achieved. As shown in fig. 2.
The second adjusting unit includes at least three B-disk fastening bolt nut pairs 11 and at least three B-disk adjusting bolts 12, as shown in fig. 1, 2 and 3, the number of the B-disk fastening bolt nut pairs 11 in the present embodiment is six, and the number of the B-disk adjusting bolts 12 is six.
As shown in fig. 3, the B-plate fastening nut 112 is connected with the B-plate fastening bolt 111 by a thread, the B-plate fastening bolt 111 penetrates through the second through hole 57 formed in the flange plate 52 of the load-side flange 5 and the third through hole 58 formed in the a-plate permanent magnet assembly 31 and extends into the second groove 59 formed in the B-plate permanent magnet assembly 32, and the nut end face of the B-plate fastening nut 112 is tightly attached to the outer annular surface of the flange plate 52. As shown in fig. 1, six B-disk fastening bolt and nut pairs 11 are uniformly arranged on the same circumference, and the diameter of the circle where all B-disk fastening bolt and nut pairs 11 are located is larger than that of the circle where all a-disk fastening bolt and nut pairs 9 are located.
As shown in fig. 2, the B-plate adjusting bolts 12 pass through the fourth through holes 513 formed in the flange plate 52 of the load-side flange 5 and the fifth through holes 510 formed in the a-plate permanent magnet assemblies 31 and are screwed into the third threaded holes 511 formed in the B-plate permanent magnet assemblies 32, and the end faces of the bolt heads of the B-plate adjusting bolts 12 are tightly attached to the outer annular surface of the flange plate 52. As shown in fig. 1, six B-disk adjusting bolts 12 and six B-disk fastening bolt and nut pairs 11 are located on the same circumference, and the six B-disk adjusting bolts 12 and the six B-disk fastening bolt and nut pairs 11 are alternately arranged.
In this embodiment, when the second adjusting unit increases and adjusts the second air gap 34, the six B-disk fastening bolt and nut pairs 11 are loosened, and the six B-disk adjusting bolts 12 are adjusted (the B-disk adjusting bolts 12 are rotated in the opposite directions), so that the B-disk permanent magnet assemblies 32 can move on the load bushing 51 of the load-side flange 5, and the purpose of increasing and adjusting the second air gap can be achieved. As shown in fig. 5.
Further, when the second adjusting unit reduces and adjusts the second air gap 34, the six B-disk fastening bolt and nut pairs 11 are loosened, the six B-disk adjusting bolts 12 are adjusted (the B-disk adjusting bolts 12 are rotated in the forward direction), so that the B-disk permanent magnet assembly 32 can move on the load shaft sleeve 51 of the load-side flange 5, and the purpose of reducing and adjusting the second air gap can be achieved. As shown in fig. 3.
The speed regulation type coupler of this embodiment need not control system and can realize the speed governing, simple structure, sexual valence relative altitude.
The speed regulating method for the speed regulating coupler provided by the embodiment comprises the following steps:
step 1, installing a speed-regulating coupler, wherein a motor side flange 4 is connected with a motor shaft, and a load side flange 5 is connected with a load shaft; the A-disc permanent magnet assembly 31 is tightly attached to the flange end face of the load side flange 5, the limit nut 512 is installed in the annular notch 321 of the B-disc permanent magnet assembly 32, and the outer disc face of the B-disc permanent magnet assembly 32, the outer nut end face of the limit nut 512 and the sleeve opening end face of the load shaft sleeve 51 are coplanar; this position is the initial position, the air gap is at a minimum;
step 2, increasing two air gaps according to the change requirement of the field load;
step 3, the first air gap is repeatedly increased and adjusted for multiple times at a distance of 1mm-2mm through the first adjusting unit until the first air gap reaches an air gap distance value meeting the load requirement;
step 3.1, loosening all the A-disc fastening bolt and nut pairs 9 to enable the end parts of the A-disc fastening bolts 91 to be separated from the first grooves 54 formed in the A-disc permanent magnet assembly 31;
3.2, rotating all the A disc adjusting bolts 10 forward one by one, and increasing the first air gap by 1-2mm after the first rotation action of all the A disc adjusting bolts 10 is completed;
3.3, repeating the step 3.2, and finishing the second rotation action and the third rotation action … … by all the A disc adjusting bolts 10 until the first air gap reaches the air gap distance value meeting the load requirement;
step 3.4, utilizing all the disk A fastening bolt and nut pairs 9 to enable the end part of the disk A fastening bolt 91 to prop against the bottom of the first groove 54 formed in the disk A permanent magnet assembly 31 so as to stabilize the first air gap;
step 4, the second air gap is repeatedly increased and adjusted for multiple times at a distance of 1mm-2mm through a second adjusting unit until the second air gap reaches the distance value of the air gap meeting the load requirement;
step 4.1, loosening all B-disk fastening bolt and nut pairs 11, and enabling the B-disk fastening bolts 111 to exit from the second grooves 59 on the B-disk permanent magnet assembly 32;
4.2, reversely rotating all the B-disc adjusting bolts 12 one by one, and increasing the second air gap by 1-2mm after the first rotation action of all the B-disc adjusting bolts 12 is finished;
4.3, repeating the step 4.2, and finishing the second rotation action and the third rotation action … … by all the B-disc adjusting bolts 12 until the second air gap reaches the air gap distance value meeting the load requirement;
step 4.4, utilizing all the B-disk fastening bolts 111 to prop against the bottom of the second groove 59 on the B-disk permanent magnet assembly 32, and stabilizing the second air gap;
step 5, starting the motor, and stably operating the speed-regulating coupler;
step 6, reducing two air gaps according to the requirement of field load change;
step 7, stopping the motor, and stopping the speed-regulating coupler;
step 8, the first adjusting unit is used for repeatedly reducing and adjusting the first air gap at a distance of 1mm-2mm for multiple times until the first air gap reaches an air gap distance value meeting the load requirement;
8.1, loosening all the A-disc fastening bolts 91 to enable the end heads of the A-disc fastening bolts 91 to finish withdrawing from the first grooves 54 formed in the A-disc permanent magnet assembly 31;
8.2, reversely rotating the A disc adjusting bolts 10 one by one, and reducing the distance of the first air gap by 1-2mm after all the A disc adjusting bolts 10 finish the first rotating action;
step 8.3, repeating the step 8.2, and finishing the second rotation action and the third rotation action … … by all the A disc adjusting bolts 10 until the distance of the first air gap reaches the distance value of the air gap meeting the load requirement;
step 8.4, utilizing all the A-disc fastening bolts 91 to prop against the bottoms of all the first grooves 54 on the A-disc permanent magnet assemblies 31 to stabilize the first air gaps;
step 9, the second air gap is reduced repeatedly for a plurality of times at a distance of 1mm-2mm through the second adjusting unit until the second air gap reaches the distance value of the air gap meeting the load requirement;
step 9.1, loosening all the B-disk fastening bolts 111, and enabling the end heads of the B-disk fastening bolts 111 to finish withdrawing from the second grooves 59 on the B-disk permanent magnet assembly 32;
step 9.2, rotating all the B-disk adjusting bolts 12 forward one by one, screwing the B-disk adjusting bolts 12 into all the third threaded holes 511 on the B-disk permanent magnet assembly 32, and reducing the distance between the second air gaps by 1-2mm after all the B-disk adjusting bolts 12 complete the first rotation action;
9.3, repeating the step 9.2, and finishing the second rotation action and the third rotation action … … by all the B-disc adjusting bolts 12 until the distance of the second air gap reaches the distance value of the air gap meeting the load requirement;
step 9.4, utilizing all the B-disk fastening bolts 111 to enable the end heads of the B-disk fastening bolts 111 to prop against the groove bottoms of the second grooves 59 on the B-disk permanent magnet assemblies 32, and stabilizing a second air gap;
and step 10, starting the motor, and stably operating the speed-regulating coupler.
In the speed regulating method, the step 3.4 and the step 8.4 are specifically as follows: all the A-disc adjusting bolts 10 are screwed in for multiple times, after the first rotating action of all the A-disc adjusting bolts 10 is completed, the screwing depth is 1-2mm, and the second rotating action and the third rotating action … … of all the A-disc adjusting bolts 10 are repeated until the A-disc adjusting bolts 10 cannot be screwed in any more.
In the speed regulating method, the step 4.4 and the step 9.4 are specifically as follows: all the rotating B disk fastening bolts 111 are screwed in for multiple times, after the first rotating action of all the B disk fastening bolts 111 is completed, the screwing depth is 1-2mm, and the second rotating action and the third rotating action … … of all the B disk fastening bolts 111 are repeated until the B disk fastening bolts 111 can not be screwed in any more.
In this embodiment, as shown in fig. 2 and 3, the a-disc permanent magnet assembly 31 is tightly attached to the flange end face of the load-side flange 5, the limit nut 512 is fitted into the annular notch 321 of the B-disc permanent magnet assembly 32, at this time, the outer disc face of the B-disc permanent magnet assembly 32, the outer nut end face of the limit nut 512 and the pocket end face of the load sleeve 51 are coplanar, at this time, the first air gap 33 and the second air gap 34 are minimum, and the load reaches the rated load or slightly exceeds the rated load, which is the position where the load is maximum.
As shown in fig. 4 and 5, the a-disc fastening bolt and nut pair 9 is loosened, all the a-disc adjusting bolts 10 are adjusted (the a-disc adjusting bolts 10 are rotated in the forward direction), so that the a-disc permanent magnet assembly 31 can move on the load bushing 51 of the load-side flange 5, and the purpose of increasing and adjusting the first air gap 33 can be achieved. As shown in fig. 4.
The six B-disk fastening bolt and nut pairs 11 are loosened, the six B-disk adjusting bolts 12 are adjusted (the B-disk adjusting bolts 12 are rotated reversely), the B-disk permanent magnet assembly 32 can move on the load shaft sleeve 51 of the load side flange 5, and the purpose of increasing and adjusting the second air gap can be achieved. As shown in fig. 5.
According to the speed regulation method, the A disc fastening bolt and nut pair 9 and the B disc fastening bolt and nut pair 11 are loosened, the A disc adjusting bolt 10 is rotated in the forward direction, and the B disc adjusting bolt 12 is rotated in the reverse direction, so that the first air gap 33 and the second air gap 34 are reduced, the load is reduced, and the energy-saving effect is achieved. The speed regulation method can realize speed regulation without a control system.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.

Claims (7)

1. A speed-regulating coupler is characterized in that: comprises a load side conductor disc component (1), a motor side conductor disc component (2), two disc type permanent magnet components (3), a motor side flange (4), a load side flange (5) and a manual adjusting component for adjusting the load under a line,
the load side conductor disc assembly (1) and the motor side conductor disc assembly (2) are arranged in parallel at intervals, a plurality of supporting frames (6) are arranged between the load side conductor disc assembly (1) and the motor side conductor disc assembly (2), the load side conductor disc assembly (1), the motor side conductor disc assembly (2) and the supporting frames (6) enclose a conductor frame, and the motor side flange (4) is connected with the motor side conductor disc assembly (2);
the two disc-type permanent magnet assemblies (3) are arranged in the conductor frame, the two disc-type permanent magnet assemblies (3) are parallel to the load-side conductor disc assembly (1) and the motor-side conductor disc assembly (2), and a plurality of guide slide rods (7) are arranged between the two disc-type permanent magnet assemblies (3);
defining two disc type permanent magnet assemblies (3) as an A disc type permanent magnet assembly (31) and a B disc type permanent magnet assembly (32), wherein an air gap is formed between the A disc type permanent magnet assembly (31) and the load side conductor disc assembly (1), an air gap is formed between the B disc type permanent magnet assembly (32) and the motor side conductor disc assembly (2), and the distance between the two air gaps is equal;
shaft holes are formed in the axial positions of the A disc permanent magnet assembly (31) and the B disc permanent magnet assembly (32), the shaft holes in the two disc permanent magnet assemblies (3) are sleeved on a load shaft sleeve (51) of a load side flange (5) in a sliding mode, a manual adjusting assembly drives the load shaft sleeve (51) of the two disc permanent magnet assemblies (3) on the load side flange (5) to move axially to change the distance of an air gap, a circle of limiting nut (512) used for limiting the minimum air gap between the B disc permanent magnet assembly (32) and a motor side conductor disc assembly (2) is arranged at the port of the load shaft sleeve (51), and an annular notch (321) is formed in the B disc permanent magnet assembly (32) corresponding to the limiting nut (512);
the manual adjusting assembly comprises a first adjusting unit of an air gap between the A disc permanent magnet assembly (31) and the load side conductor disc assembly (1) and a second adjusting unit of the air gap between the B disc permanent magnet assembly (32) and the motor side conductor disc assembly (2);
the first adjusting unit comprises at least three A disc fastening bolt and nut pairs (9) and at least three A disc adjusting bolts (10), the A disc fastening nuts (92) are in threaded connection with the A disc fastening bolts (91), the A disc fastening bolts (91) are in threaded connection with first threaded holes (53) formed in a flange plate (52) of a load side flange (5), the end faces of the nuts of the A disc fastening nuts (92) are tightly attached to the outer ring surface of the flange plate (52), the end portions of the A disc fastening bolts (91) extend into first grooves (54) formed in an A disc permanent magnet assembly (31), and all the A disc fastening bolt and nut pairs (9) are located on the same circumference and are uniformly distributed; the A disc adjusting bolt (10) is inserted into a first through hole (55) formed in a flange plate (52) of the load side flange (5), the A disc adjusting bolt (10) is in threaded connection with a second threaded hole (56) formed in the A disc permanent magnet assembly (31), and the end face of the bolt head of the A disc adjusting bolt (10) is tightly attached to the outer ring surface of the flange plate (52); (ii) a All the A-disk adjusting bolts (10) and all the A-disk fastening bolt and nut pairs (9) are positioned on the same circumference, and all the A-disk adjusting bolts (10) and all the A-disk fastening bolt and nut pairs (9) are alternately arranged;
the second adjusting unit comprises at least three B-disc fastening bolt and nut pairs (11) and at least three B-disc adjusting bolts (12), the disc fastening nuts (112) are in threaded connection with the B-disc fastening bolts (111), the B-disc fastening bolts (111) simultaneously penetrate through second through holes (57) formed in a flange plate (52) of the load side flange (5) and third through holes (58) formed in an A-disc permanent magnet assembly (31) and extend into second grooves (59) formed in the B-disc permanent magnet assembly (32), and the nut end faces of the B-disc fastening nuts (112) are tightly attached to the outer ring face of the flange plate (52); all the B-disk fastening bolt and nut pairs (11) are positioned on the same circumference and are uniformly distributed, and the diameter of a circle where all the B-disk fastening bolt and nut pairs (11) are positioned is larger than that of a circle where all the A-disk fastening bolt and nut pairs (9) are positioned; the B-disc adjusting bolt (12) penetrates through a fourth through hole (513) formed in a flange plate (52) of the load side flange (5) and a fifth through hole (510) formed in the A-disc permanent magnet assembly (31) and is in threaded connection with a third threaded hole (511) formed in the B-disc permanent magnet assembly (32), and the end face of the bolt head of the B-disc adjusting bolt (12) is tightly attached to the outer annular surface of the flange plate (52); all the B-disk adjusting bolts (12) and all the B-disk fastening bolt and nut pairs (11) are positioned on the same circumference, and all the B-disk adjusting bolts (12) and all the B-disk fastening bolt and nut pairs (11) are alternately arranged.
2. A speed governing type coupler according to claim 1, wherein: the hole walls of the shaft holes in the two disc-type permanent magnet assemblies (3) are embedded with sliding blocks (8), and the sliding blocks (8) are made of polytetrafluoroethylene.
3. A speed governing type coupler according to claim 1, wherein: the cross section of the load shaft sleeve (51) is square.
4. A speed governing type coupler according to claim 1, wherein: all the support frames (6) enclose an annular frame, two sections of scales for reacting air gaps are arranged on two symmetrical end faces of each support frame (6), and the division value of the two sections of scales is 1 mm; the two scales increase from the two ends to the middle scale value.
5. A method of speed regulation for a speed regulated coupler according to claims 1-4, wherein: the method comprises the following steps:
step 1, installing a speed-regulating coupler, wherein a motor side flange (4) is connected with a motor shaft, and a load side flange (5) is connected with a load shaft; the A disc permanent magnet assembly (31) is tightly attached to the flange plate end face of the load side flange (5), the limit nut (512) is installed in the annular notch (321) of the B disc permanent magnet assembly (32), and the outer disc face of the B disc permanent magnet assembly (32), the outer nut end face of the limit nut (512) and the sleeve opening end face of the load shaft sleeve (51) are coplanar; this position is the initial position, the air gap is at a minimum;
step 2, increasing two air gaps according to the change requirement of the field load; defining an air gap between the A disc permanent magnet assembly (31) and the load side conductor disc assembly (1) as a first air gap, and defining an air gap between the B disc permanent magnet assembly (32) and the motor side conductor disc assembly (2) as a second air gap;
step 3, the first air gap is repeatedly increased and adjusted for multiple times at a distance of 0.2mm-2mm through the first adjusting unit until the first air gap reaches an air gap distance value meeting the load requirement;
step 3.1, loosening all A-disk fastening bolt and nut pairs (9) to enable the end parts of the A-disk fastening bolts (91) to be separated from first grooves (54) formed in the A-disk permanent magnet assembly (31);
3.2, rotating all the A disc adjusting bolts (10) one by one, wherein after the first rotation action of all the A disc adjusting bolts (10) is finished, the first air gap is increased by 0.2mm-2 mm;
3.3, repeating the step 3.2, and finishing the second rotation action and the third rotation action … … by all the A disc adjusting bolts (10) until the first air gap reaches the air gap distance value meeting the load requirement;
3.4, utilizing all the A-disk fastening bolt and nut pairs (9) to enable the end part of the A-disk fastening bolt (91) to prop against the bottom of a first groove (54) formed in the A-disk permanent magnet assembly (31) to stabilize a first air gap;
step 4, repeating the increasing and adjusting of the second air gap for multiple times at a distance of 0.2mm-2mm through the second adjusting unit until the second air gap reaches the distance value of the air gap meeting the load requirement;
step 4.1, loosening all B-disk fastening bolt and nut pairs (11), and enabling the B-disk fastening bolts (111) to exit from second grooves (59) on the B-disk permanent magnet assembly (32);
4.2, rotating all the B-disk adjusting bolts (12) one by one, and increasing the second air gap by 0.2-2 mm after the first rotation action of all the B-disk adjusting bolts (12) is finished;
4.3, repeating the step 4.2, and finishing the second rotation action and the third rotation action … … by all the B-disc adjusting bolts (12) until the second air gap reaches the air gap distance value meeting the load requirement;
4.4, utilizing all B-disk fastening bolts (111) to prop against the bottom of a second groove (59) on the B-disk permanent magnet assembly (32) to stabilize a second air gap;
step 5, starting the motor, and stably operating the speed-regulating coupler;
step 6, reducing two air gaps according to the requirement of field load change;
step 7, stopping the motor, and stopping the speed-regulating coupler;
step 8, the first adjusting unit is used for repeatedly reducing and adjusting the first air gap at a distance of 1mm-2mm for multiple times until the first air gap reaches an air gap distance value meeting the load requirement;
8.1, loosening all the A disc fastening bolts (91) to enable the end heads of the A disc fastening bolts (91) to finish withdrawing from a first groove (54) formed in the A disc permanent magnet assembly (31);
step 8.2, the A disc adjusting bolts (10) are rotated one by one, and after all the A disc adjusting bolts (10) complete the first rotating action, the distance of the first air gap is reduced by 1mm-2 mm;
8.3, repeating the step 8.2, and finishing the second rotation action and the third rotation action … … by all the A disc adjusting bolts (10) until the distance of the first air gap reaches the distance value of the air gap meeting the load requirement;
8.4, utilizing all the A disc fastening bolts (91) to prop against the bottoms of all the first grooves (54) on the A disc permanent magnet assembly (31) to stabilize the first air gap;
step 9, the second air gap is reduced repeatedly for a plurality of times at a distance of 1mm-2mm through the second adjusting unit until the second air gap reaches the distance value of the air gap meeting the load requirement;
9.1, loosening all B-disk fastening bolts (111), and enabling the end heads of the B-disk fastening bolts (111) to finish withdrawing from a second groove (59) on the B-disk permanent magnet assembly (32);
9.2, rotating all B disc adjusting bolts (12) one by one, screwing the B disc adjusting bolts (12) into all third threaded holes (511) in the B disc permanent magnet assembly (32), and reducing the distance of a second air gap by 0.2-2 mm after all the B disc adjusting bolts (12) complete the first rotation action;
9.3, repeating the step 9.2, and finishing the second rotation action and the third rotation action … … by all the B-disc adjusting bolts (12) until the distance of the second air gap reaches the distance value of the air gap meeting the load requirement;
step 9.4, utilizing all the B-disk fastening bolts (111) to enable the end heads of the B-disk fastening bolts (111) to prop against the groove bottom of a second groove (59) on the B-disk permanent magnet assembly (32) to stabilize a second air gap;
and step 10, starting the motor, and stably operating the speed-regulating coupler.
6. A method of regulating speed according to claim 5, characterized in that: step 3.4 and step 8.4 are specifically: all the A-disc fastening bolts (91) are screwed in for multiple times, after the first rotation action of all the A-disc fastening bolts (91) is completed, the screwing depth is 1-2mm, and the second rotation action and the third rotation action … … of all the A-disc fastening bolts (91) are repeated until the A-disc fastening bolts (91) cannot be screwed in any more.
7. A method of regulating speed according to claim 5, characterized in that: step 4.4 and step 9.4 are specifically: all the B disk fastening bolts (111) are screwed in for multiple times, after the first rotation action of all the B disk fastening bolts (111) is completed, the screwing depth is 1-2mm, and the second rotation action and the third rotation action … … of all the B disk fastening bolts (111) are repeated until the B disk fastening bolts (111) can not be screwed in any more.
CN202010901990.1A 2020-09-01 2020-09-01 Speed regulation type coupler and speed regulation method thereof Withdrawn CN111865044A (en)

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Application Number Priority Date Filing Date Title
CN202010901990.1A CN111865044A (en) 2020-09-01 2020-09-01 Speed regulation type coupler and speed regulation method thereof

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113285577A (en) * 2021-05-21 2021-08-20 安徽沃弗永磁科技有限公司 Planetary structure permanent magnet speed changer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113285577A (en) * 2021-05-21 2021-08-20 安徽沃弗永磁科技有限公司 Planetary structure permanent magnet speed changer

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Application publication date: 20201030