CN212238253U - Motor test automation equipment - Google Patents
Motor test automation equipment Download PDFInfo
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- CN212238253U CN212238253U CN202020420046.XU CN202020420046U CN212238253U CN 212238253 U CN212238253 U CN 212238253U CN 202020420046 U CN202020420046 U CN 202020420046U CN 212238253 U CN212238253 U CN 212238253U
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Abstract
The utility model relates to a motor test technical field, in particular to motor test automation equipment, including transport the transport mechanism of the motor that awaits measuring, survey withstand voltage mechanism, angular adjustment mechanism and survey load mechanism. Through set gradually on transport mechanism and survey withstand voltage mechanism, angle adjustment mechanism and survey load mechanism, angle adjustment mechanism will await measuring the motor rotation adjustment to the position of positive negative pole parallel and level, the loss that causes because of the operation workman error has been reduced, survey withstand voltage mechanism and survey load mechanism and carry out voltage test and load test to the motor respectively, and sort certified products and nonconforming articles by transport mechanism, it is withstand voltage to realize automatic test motor, load and finished product are categorised, it has improved the security of motor detection and the efficiency of production to realize automated production, this scheme combines withstand voltage and two kinds of test functions of load test, improve production efficiency when having saved the spending.
Description
Technical Field
The utility model relates to a motor test technical field, in particular to motor test automation equipment.
Background
In the production process of the motor, the assembled motor needs to be subjected to load and voltage withstand tests, and the purpose of the load and voltage withstand tests is to determine the power, the rotating speed, the stator current and the like of the motor and ensure that the service performance and the safety performance of the produced motor are qualified.
The existing method for measuring the load of the motor is that a worker manually places the motor on a load tester for measuring the load, the motor is divided into a good product and a defective product according to the measurement results such as the rotating speed and the current magnitude displayed by the load tester, the defective product motor and the defective product motor are placed in a classified mode, and the operation of the worker causes the low working efficiency. The load tester has no voltage withstanding function, needs to use an independent voltage withstanding instrument, but needs to use very high instantaneous voltage when measuring voltage withstanding, and the motor of taking by hand tests and has certain risk, has potential safety hazard, and production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a motor test automation equipment adopts the utility model provides a technical scheme has solved load and withstand voltage of workman's operation test motor, leads to the potential safety hazard, problem that work efficiency hangs down.
In order to solve the technical problem, the utility model provides a motor test automation device, which comprises a conveying mechanism for conveying a motor to be tested, and a pressure testing and resisting mechanism, an angle adjusting mechanism and a load testing mechanism which are sequentially arranged along the conveying direction of the conveying mechanism;
the transmission mechanism is used for sequentially transmitting the motor to be tested to the pressure-resistant testing mechanism, the angle adjusting mechanism and the load testing mechanism;
the pressure-resistant measuring mechanism can extend into the conveying mechanism to be contacted with the anode and the cathode of the motor to be measured and is connected with a test voltage;
the angle adjusting mechanism can enable the motor to be tested to rotate along the axial direction of the motor to be tested so as to adjust the positions of the anode and the cathode;
the load measuring mechanism comprises a loading assembly capable of being connected with the positive electrode and the negative electrode of the motor to be measured for power supply and a load assembly connected with the rotating shaft of the motor to be measured.
Preferably, the conveying mechanism comprises a conveying belt and a conveying channel; the conveying channel comprises a feeding channel for lifting a motor to be tested from an outlet of the conveying belt to an inlet of the conveying channel, a load measuring channel for jacking the motor to be tested into the load measuring mechanism, and a discharging channel for sorting the motor to be tested; the conveying mechanism further comprises a pushing assembly which is suspended above the conveying belt and used for pushing the motor to be tested to move in the conveying channel.
Preferably, the angle adjusting mechanism comprises a belt assembly and a pressing assembly; the belt assembly comprises a rotating wheel driven by a motor and a belt wound on the rotating wheel; the belt is suspended above the feeding channel and is vertical to the conveying direction of the feeding channel; the pressing component presses down to enable the belt to abut against the surface of the motor to be detected on the feeding channel.
Preferably, the pressure measuring and resisting mechanism comprises a probe which can stretch into the inlet of the feeding channel and is used for contacting with the anode and the cathode of the motor to be measured, and a probe cylinder which drives the probe to stretch.
Preferably, the loading assembly comprises a pressing block capable of pressing and fixing the motor to be tested on the load testing material channel, and terminals in contact with the positive electrode and the negative electrode of the motor to be tested are arranged on the pressing block.
Preferably, the load assembly comprises a fan blade and an inserting cylinder, wherein the fan blade is clamped by the clamping assembly and is coaxially arranged with the rotating shaft of the motor to be tested, and the inserting cylinder is used for driving the fan blade to be inserted into the rotating shaft of the motor to be tested.
Preferably, bearings which are axially parallel to the motor to be tested and used for lifting the motor to be tested are arranged on two sides of the bottom of the feeding channel; the angle adjusting mechanism further comprises a pulling plate which is arranged above the feeding channel in a sliding mode and used for lifting the bearing.
Preferably, a sensor used for sensing that the motor to be detected rotates in place is arranged on the inner side of the feeding channel.
Preferably, a discharging cylinder used for pushing out the bad motor is arranged on the side of the discharging channel.
From the above, use the utility model provides a can obtain following beneficial effect: through set gradually on the transport mechanism who carries the motor that awaits measuring and survey withstand voltage mechanism, angle adjustment mechanism and survey load mechanism, angle adjustment mechanism will await measuring the motor rotation adjustment to the required angle of test, the loss that causes because of operation workman's error has been reduced, survey withstand voltage mechanism and survey load mechanism and carry out voltage test and load test to the motor respectively, and sort certified products and nonconforming articles by transport mechanism, it is withstand voltage to realize automatic test motor, load and formation substandard product are categorised, it has improved the security that the motor detected and the efficiency of production to realize automated production, this scheme combines withstand voltage and two kinds of test functions of load test, improve production efficiency when having saved the spending.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.
FIG. 1 is a perspective view of an automated device for testing motors according to an embodiment of the present invention;
FIG. 2 is a front view of the structure of the automatic testing equipment for motors of the embodiment of the present invention;
fig. 3 is a perspective view of a conveying mechanism of the automatic motor testing device according to the embodiment of the present invention;
fig. 4 is a front view of a conveying mechanism of the automatic motor testing device according to the embodiment of the present invention;
FIG. 5 is a perspective view of an angle adjustment mechanism of the automatic testing device for motors according to the embodiment of the present invention;
fig. 6 is a front view of an angle adjusting mechanism of the automatic motor testing device according to the embodiment of the present invention;
fig. 7 is a front view of a load testing mechanism of the automatic motor testing device according to the embodiment of the present invention;
fig. 8 is a perspective view of a load measuring mechanism of the automatic motor testing device according to the embodiment of the present invention;
fig. 9 is the utility model discloses motor test automation equipment overall structure elevation.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, in order to solve the above technical problem, the present embodiment provides a motor test automation device for automatically testing withstand voltage and load of a motor, which includes a conveying mechanism 10 of a conveying motor, a voltage testing and resisting mechanism 20, an angle adjusting mechanism 30 and a load testing mechanism 40.
As shown in fig. 2-3, the conveying mechanism 10 includes a conveying belt 11 and a conveying channel 12, the height of the conveying channel 12 is higher than that of the conveying belt 11, a pushing assembly 13 with a telescopic end facing the conveying channel 12 is fixed above the conveying belt 11, the pushing assembly 13 is a pushing cylinder 13, and the pushing cylinder 13 pushes the motors to be tested to make the motors to be tested advance each other in the conveying channel 12.
The conveying channel 12 is composed of a plurality of sections of material channels which can be lifted and lowered respectively, and lifting cylinders 124 which drive the material channels to be lifted or lowered respectively are arranged below the conveying channel 12. The conveying channel 12 is sequentially divided into a feeding channel 121, a load measuring channel 122 and a discharging channel 123 along the conveying direction of the motor, wherein the feeding channel 121 is located at the head end of the conveying channel 12 and at the outlet of the conveyor belt 11. Since the height of the conveyance path 12 is higher than the height of the conveyor belt 11, the loading path 121 is switched between the exit end of the conveyor belt 11 and the entrance end of the conveyance path 12 by the driving of the air cylinder 124.
The motor to be tested on the conveyor belt 11 is conveyed to the feeding channel 121, the feeding channel 121 lifts the motor to be tested to the height of the conveying channel 12, the pushing cylinder 13 pushes the motor to be tested to the load testing channel 122, the load testing channel 122 is driven by the cylinder 124 to lift upwards, the motor to be tested is lifted to the load testing mechanism 21 to perform load testing, and the load testing channel 122 descends to the conveying channel 12 after the testing is completed and is pushed to the discharging channel 123.
A discharging cylinder 14 is arranged on the side of the discharging channel 123, and the discharging cylinder 14 is used for pushing out the defective motor. When the test result of the motor is unqualified, the air cylinder 124 drives the blanking material channel 123 to descend, and the unqualified motor is pushed out from the side of the blanking material channel 123 by the discharging air cylinder 14. When the test result of the motor is qualified, the motor slides out of the blanking slideway behind the blanking channel 123.
Because the positive and negative electrodes of each motor to be tested are not in the same horizontal plane when the motor to be tested is conveyed to the feeding channel 121 by the conveyor belt, the positive and negative electrodes are in the same horizontal plane when the motor to be tested enters the voltage measuring and detecting mechanism 20 and the load measuring mechanism 40. An angle adjusting mechanism 30 is arranged above the feeding channel 121, and the angle adjusting mechanism 30 includes a belt assembly 31 which can be pressed against the surface of the motor to be measured to adjust the angle of the motor.
Specifically, as shown in fig. 5 to 6, the angle adjusting mechanism 30 includes a belt assembly 31, and the belt assembly 31 is slidably disposed on a vertical plate of the frame and located above the feeding channel 121. The belt assembly 31 includes a rotating wheel 313, a belt 311 wound around the rotating wheel 313, and a driving assembly 312 for driving the rotating wheel 313 to rotate, and the angle adjusting mechanism 30 further includes a down-pressing cylinder 32 for driving the belt assembly 31 to slide up and down. The down-pressing cylinder 32 drives the belt assembly 31 to press down on the feeding channel 121, so that the belt 311 abuts against the surface of the motor to be measured, the driving assembly 312 drives the rotating wheel 313 to rotate, the belt 311 is driven to rotate, the motor is driven to rotate along the axis of the motor, and the positions of the anode and the cathode of the motor to be measured are adjusted.
In order to detect whether the positions of the positive and negative electrodes of the motor are adjusted to be consistent in level, a sensor (not marked in the figure) for sensing that the motor to be detected rotates in place is arranged on the inner side of the feeding channel 121, the sensor senses a gap of a magnetic protection ring of the motor to further judge that the motor to be detected rotates in place, so that the positive and negative electrodes of the motor rotate to be in the same horizontal plane, and the sensor can also sense other specific structures of the motor (such as butterfly hole positions on the side surface of the motor or the positions of the positive and negative electrodes of the motor).
In order to realize the detection of the motor to be detected, a pressure measuring and resisting mechanism 20 is arranged at the side of the feeding channel 121, please refer to fig. 4, the pressure measuring and resisting mechanism 20 includes a probe 21 and a probe cylinder 22 for driving the probe 21 to extend and retract. The motor to be measured is conveyed to the feeding channel 121, and after the motor to be measured is adjusted by the angle adjusting mechanism 30, the positive electrode and the negative electrode of the motor to be measured are in the same horizontal plane, and the positive electrode and the negative electrode face the conveyor belt 11.
Further, the material loading say 121 will await measuring the motor and remove to the same height of surveying withstand voltage mechanism 20, probe cylinder 22 drive probe 21 stretches into the entrance of material loading say 121, and then probe 21 and the anodal or the negative pole contact of the motor that awaits measuring, treat motor positive pole or negative pole application voltage of awaiting measuring through probe 21, if the motor that awaits measuring has the electric leakage problem, then the electric current switches on through casing and equipment and forms the return circuit, then equipment can be tested through the contact with the casing, and then whether there is the electric leakage problem at high pressure in the realization automatic equipment test motor, thereby eliminate the safety problem that artifical manual test brought.
In order to realize the load test of the motor, a load testing mechanism 40 is arranged above the load testing material channel 122, the motor to be tested after the withstand voltage test is completed moves to the load testing material channel 122 under the pushing of the pushing cylinder 13, and a cylinder 124 below the load testing material channel 122 drives the load testing material channel 122 to lift the motor to be tested to the load testing mechanism 40. The load measuring mechanism 40 comprises a loading component 41 for electrifying the motor to be measured and a loading component 42 for testing the rotating speed of the motor to be measured.
Specifically, referring to fig. 7-8, the loading assembly 41 is disposed on the rack and above the load measuring channel 122, the loading assembly 41 includes a pressing block 411 capable of pressing and fixing the motor to be measured on the load measuring channel 122, and an air cylinder 412 driving the pressing block 411 to press down, and the pressing block 411 is provided with terminals 413 contacting with the positive and negative electrodes of the motor to be measured. The load measuring material channel 122 lifts the motor to be measured to the lower part of the pressing block 411, the driving cylinder 412 drives the pressing block 411 to press the motor to be measured, the terminal 413 on the pressing block 411 is in contact with the positive electrode and the negative electrode of the motor to be measured, the motor is electrified through the terminal 413 on the pressing block 411, and the rotating shaft of the motor to be measured is driven to rotate.
In order to detect the operating parameters such as power and rotating speed of the motor to be detected in a load state, a load assembly 42 is arranged behind the load assembly 41. Referring to fig. 7-8, the loading assembly 42 is slidably disposed on the frame at the rear of the loading assembly 41. The load assembly 42 includes a fan 421 clamped by the clamping cylinder 423, and a cylinder 421 for driving the fan 421 to be inserted into the rotating shaft of the motor to be tested. The clamping cylinder 423 is disposed at the upper and lower sides of the fan blade 421, and drives the clamping plate to clamp the fan blade 421.
One end of the fan blade 421 is formed with a rotating shaft inserted into the shaft core of the motor to be tested, after the pressing block 411 presses and fixes the motor to be tested, the rotating shaft of the fan blade 421 faces the shaft core of the motor to be tested and is located on the same horizontal plane, the fan blade 421 is driven to be inserted into the shaft core of the motor through the air cylinder 422, the fan blade 421 is loosened by the clamping air cylinder 423, and the rotating speed, the current and other data of the motor are recorded and collected by arranging an inductor (not shown in the figure) for detecting the rotating speed of the shaft core of the motor or the rotating speed of the fan blade 421 on the load assembly 42.
A reset cylinder 43 is fixed on the frame behind the load assembly 42, the clamping cylinder 423 clamps the fan blade 421 after the load test is completed, the reset cylinder 43 drives the load assembly 42 to slide and reset, the rotating shaft of the fan blade 421 is separated from the axis of the motor, and the load measuring material channel 122 descends to the conveying channel 12.
The motor having completed the load test is further pushed to the blanking duct 123, and for the motor having failed in the withstand voltage test and the load test, the motor is pushed out from the side of the blanking duct 123 by the discharge cylinder 14 at the side of the blanking duct 123. And for the motor with qualified results of the withstand voltage test and the load test, the motor slides out of the slide way behind the blanking channel 123.
In conclusion, the pressure-resistant testing mechanism, the angle adjusting mechanism and the load testing mechanism are sequentially arranged on the conveying mechanism for conveying the motor to be tested, the angle adjusting mechanism adjusts the rotation of the motor to be tested to the angle required by the test, the loss caused by errors of operators is reduced, the pressure-resistant testing mechanism and the load testing mechanism respectively perform voltage test and load test on the motor, qualified products and unqualified products are sorted by the conveying mechanism, the automatic test of the pressure resistance of the motor and the classification of loads and finished products are realized, the automatic production is realized, the safety of motor detection and the production efficiency are improved, the scheme combines two test functions of the pressure resistance and the load test, the expenditure is saved, and the production efficiency is improved.
Example 2
The embodiment provides a motor test automation device, which also comprises a conveying mechanism 10 for conveying a motor to be tested, a pressure testing mechanism 20, an angle adjusting mechanism 30 and a load testing mechanism 40.
The conveying mechanism 10 comprises a conveying belt 11 and a conveying channel 12 consisting of a plurality of sections of liftable material channels; the pressure-resistant measuring mechanism 20 comprises a detection assembly 21 which can extend into the side face of the conveying mechanism 10 and is in contact with the positive and negative electrodes of the motor, the angle adjusting mechanism 30 comprises a belt assembly 31 which can be pressed against the surface of the motor to be measured so as to adjust the angle of the motor, the load measuring mechanism 40 comprises a loading assembly 41 which can be pressed to connect the positive and negative electrodes of the motor to be measured and a load assembly 42 which is connected with the rotating shaft of the motor to be measured, and the angle adjusting mechanism 30 and the load measuring mechanism 40 are sequentially arranged above the conveying path of the conveying channel 12.
The conveying channel 12 is sequentially divided into a feeding channel 121, a load measuring channel 122 and a discharging channel 123 along the conveying direction of the motor to be measured, and the belt assembly 31 of the angle adjusting mechanism 30 is slidably disposed on a vertical plate of the rack and located above the feeding channel 121. The belt assembly 31 includes a rotating wheel 313, a belt 311 wound around the rotating wheel 313, and a driving assembly 312 for driving the rotating wheel 313 to rotate, wherein the belt 311 abuts against the upper surface of the motor to be tested, and drives the motor to be tested to rotate to a state that the positive electrode and the negative electrode are in the same horizontal plane.
Referring to fig. 5-6, in order to make the motor to be tested more easily driven by the belt 311 to rotate, as a further improvement of the technology, the angle adjustment mechanism 30 of the embodiment further includes a pulling plate 33 for assisting to lift the feeding channel 121, bearings 35 parallel to the axial direction of the motor to be tested are disposed on two sides of the bottom of the feeding channel 121, notches are respectively disposed on two sides of the feeding channel 121, and connecting portions 36 extending into the notches and linked with the bearings 35 are fixed on two sides of the bottom of the pulling plate 33.
The arm-tie 33 slides through the slide rail and sets up on the riser 33 of frame, and actuating cylinder 34 drive arm-tie 33 rises, drives bearing 35 and rises and the lifting motor that awaits measuring for the motor that awaits measuring leaves the bottom surface that the material loading was said 121, reduces the friction that awaits measuring motor and material loading were said 121 bottom surface, and the motor that awaits measuring of lifting simultaneously can increase the motor that awaits measuring and belt 311 laminating area of contact, makes the motor that awaits measuring more easily overturn by belt 311.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (9)
1. The utility model provides a motor test automation equipment which characterized in that: the device comprises a conveying mechanism (10) for conveying a motor to be tested, and a pressure testing and resisting mechanism (20), an angle adjusting mechanism (30) and a load testing mechanism (40) which are sequentially arranged along the conveying direction of the conveying mechanism (10);
the conveying mechanism (10) is used for conveying the motor to be measured to the pressure-resistant measuring mechanism (20), the angle adjusting mechanism (30) and the load measuring mechanism (40) in sequence;
the pressure-resistant measuring mechanism (20) can extend into the conveying mechanism (10) to be in contact with the positive electrode and the negative electrode of the motor to be measured and is connected with a test voltage;
the angle adjusting mechanism (30) can enable the motor to be tested to rotate along the axial direction of the motor to be tested so as to adjust the positions of the anode and the cathode;
the load measuring mechanism (40) comprises a loading assembly (41) capable of being connected with the positive electrode and the negative electrode of the motor to be measured for power supply and a load assembly (42) connected with the rotating shaft of the motor to be measured.
2. The motor test automation device of claim 1, wherein: the conveying mechanism (10) comprises a conveying belt (11) and a conveying channel (12); the conveying channel (12) comprises a feeding channel (121) for lifting a motor to be tested from an outlet of the conveying belt (11) to an inlet of the conveying channel, a load measuring channel (122) for jacking the motor to be tested into the load measuring mechanism (40), and a discharging channel (123) for sorting the motor to be tested; the conveying mechanism (10) further comprises a pushing assembly (13) which is suspended above the conveying belt (11) and used for pushing the motor to be tested to move in the conveying channel (12).
3. The motor test automation device of claim 2, wherein: the angle adjusting mechanism (30) comprises a belt assembly (31) and a pressing assembly (32); the belt assembly (31) comprises a rotating wheel (313) driven by a motor (312) and a belt (311) wound on the rotating wheel (313); the belt (311) is suspended above the feeding channel (121) and is perpendicular to the conveying direction of the feeding channel (121); the pressing component (32) presses downwards to enable the belt (311) to abut against the surface of the motor to be detected on the feeding channel (121).
4. The motor test automation device of claim 3, wherein: the pressure-resistant measuring mechanism (20) comprises a probe (21) which can stretch into the inlet of the feeding channel (121) and is used for contacting with the anode and the cathode of the motor to be measured, and a probe cylinder (22) for driving the probe (21) to stretch.
5. The motor test automation device of claim 3, wherein: the loading assembly (41) comprises a pressing block (411) capable of pressing and fixing the motor to be tested on the load testing material channel (122), and terminals (413) in contact with the anode and the cathode of the motor to be tested are arranged on the pressing block (411).
6. The motor test automation device of claim 5, wherein: load component (42) include by centre gripping subassembly (423) centre gripping and with the coaxial flabellum (421) that set up of motor shaft that awaits measuring and drive flabellum (421) insert cylinder (422) of motor shaft that awaits measuring.
7. The motor test automation device of claim 3, wherein: two sides of the bottom of the feeding channel (121) are provided with bearings (35) which are axially parallel to the motor to be tested and used for lifting the motor to be tested; the angle adjusting mechanism (30) further comprises a pulling plate (33) which is arranged above the feeding channel (121) in a sliding mode and used for lifting the bearing (35).
8. The motor test automation device of claim 7, wherein: and sensors for sensing the positions of the anode and the cathode of the motor to be detected are arranged on the inner side of the feeding channel (121).
9. The motor test automation device of any one of claims 2 to 8, wherein: and a discharging air cylinder (14) used for pushing out a bad motor is arranged on the side of the discharging channel (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020420046.XU CN212238253U (en) | 2020-03-27 | 2020-03-27 | Motor test automation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020420046.XU CN212238253U (en) | 2020-03-27 | 2020-03-27 | Motor test automation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212238253U true CN212238253U (en) | 2020-12-29 |
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ID=73985078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020420046.XU Expired - Fee Related CN212238253U (en) | 2020-03-27 | 2020-03-27 | Motor test automation equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN212238253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609659A (en) * | 2023-06-19 | 2023-08-18 | 宁波格瑞塑业有限公司 | Motor function test board |
-
2020
- 2020-03-27 CN CN202020420046.XU patent/CN212238253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609659A (en) * | 2023-06-19 | 2023-08-18 | 宁波格瑞塑业有限公司 | Motor function test board |
| CN116609659B (en) * | 2023-06-19 | 2023-11-21 | 宁波格瑞塑业有限公司 | Motor function test board |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |