CN119001179B - Durability testing device and testing method for stepper motor - Google Patents
Durability testing device and testing method for stepper motor Download PDFInfo
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- CN119001179B CN119001179B CN202411471267.9A CN202411471267A CN119001179B CN 119001179 B CN119001179 B CN 119001179B CN 202411471267 A CN202411471267 A CN 202411471267A CN 119001179 B CN119001179 B CN 119001179B
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- 238000012360 testing method Methods 0.000 title claims abstract description 163
- 238000012937 correction Methods 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims description 55
- 238000009434 installation Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Control Of Stepping Motors (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
本发明涉及一种用于步进电机的耐久测试装置及测试方法，涉及耐久测试相关领域，包括测试箱，所述测试箱包括顶箱和底箱，所述顶箱和底箱之间通过一号连接板固定，所述底箱底部固定有支腿，所述顶箱一侧交接有箱门，两个支撑板，两个所述支撑板之间通过支撑杆固定，位于地部的一个支撑板通过推送件滑动安装于所述一号连接板上，两个所述支撑板上均等距固定有多个二号安装座，所述二号安装座顶部四角均固定有一号导向杆，所述一号导向杆上竖立滑动安装有一号安装座，通过上述的的矫正工作可使测试电机本体在放置于二号安装座及一号安装座内的后续工作均为自动化统一完成，进而使测试的效果进一步提升。
The present invention relates to a durability testing device and a testing method for a stepper motor, and relates to a field related to durability testing, including a test box, wherein the test box comprises a top box and a bottom box, wherein the top box and the bottom box are fixed via a No. 1 connecting plate, a supporting leg is fixed to the bottom of the bottom box, a box door is connected to one side of the top box, and two support plates are fixed via a support rod, a support plate located on the ground is slidably mounted on the No. 1 connecting plate via a pushing member, a plurality of No. 2 mounting seats are equidistantly fixed on the two support plates, a No. 1 guide rod is fixed to the four corners of the top of the No. 2 mounting seat, a No. 1 mounting seat is vertically and slidably mounted on the No. 1 guide rod, and the subsequent work of the test motor body after being placed in the No. 2 mounting seat and the No. 1 mounting seat can be automatically and uniformly completed through the above-mentioned correction work, thereby further improving the test effect.
Description
Technical Field
The invention relates to the related field of endurance test, in particular to an endurance test device and a endurance test method for a stepping motor.
Background
A stepper motor is a motor that converts an electrical pulse signal into a corresponding angular or linear displacement. Each time a pulse signal is input, the rotor rotates by an angle or further, the output angular displacement or linear displacement is proportional to the input pulse number, and the rotating speed is proportional to the pulse frequency. Thus, the stepping motor is also called a pulse motor.
The service lives of different motors of an arrangement mode, materials and a structure are correspondingly different when research and development are carried out, so that in order to test a certain arrangement mode, materials and a longer service life of the structure are adopted, and then a plurality of tests are needed, a search is carried out, and a durable test device for a stepping motor is disclosed, wherein the durable test device for the stepping motor has the bulletin number of CN205507037U, a single-chip microcontroller is used as a processing core, a stepping driver is used for controlling the rotation of the stepping motor to test the durable value of the durable test device, in the actual test, the test modes are very difficult, the process of mounting the motor on a test platform is the most time-consuming process, and because the output shaft of the tested motor is needed to be put into the test mechanism during the test, the insertion depth of the output shaft of the motor is usually the designated length, and certain problems and instability exist due to overlong or too short of the motor;
Secondly, the circuit connection of the motor is a complicated process, because the motor is convenient to install and is usually fixed in a clamping mode, the position of a power connection pin of the motor cannot be limited, and the position of the power connection pin is not fixed, and the step cannot adopt equipment to complete power connection work because the position of the pin is not fixed, so that manual power connection is needed;
both the above problems are time-consuming in the testing process, and are also the reasons for lower testing efficiency, and the invention cannot solve both the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a durability testing device and a testing method for a stepping motor, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a endurance testing apparatus for a stepping motor, comprising:
The test box comprises a top box and a bottom box, wherein the top box and the bottom box are fixed through a first connecting plate, a supporting leg is fixed at the bottom of the bottom box, and a box door is connected to one side of the top box;
The two support plates are fixed through support rods, and one support plate positioned at the ground part is slidably arranged on the first connecting plate through a pushing piece;
a plurality of second installation seats are fixed on the two support plates at equal intervals, first guide rods are fixed at four corners of the tops of the second installation seats, first installation seats are vertically and slidably installed on the first guide rods, the first installation seats are connected with lifting pieces installed on the support plates, and the lifting pieces are connected with first correction assemblies installed on the support plates;
the second correction component is arranged at the bottoms of the two support plates;
The drawer is slidably arranged on the bottom box, processing equipment and a control module are fixed in the drawer, the processing equipment and the control module are electrically connected through wires, a testing mechanism is fixed on the processing equipment, and the testing mechanism is electrically connected with the processing equipment through wires.
The pushing piece comprises two first screw rods rotatably arranged on the first connecting plate, and the two first screw rods are connected through a transmission chain;
And the first screw rods are sleeved with first threaded sleeves in threaded fit with the first screw rods, and the first threaded sleeves are fixed with the supporting plates through connecting plates.
As a still further proposal of the invention, the lifting piece comprises two first transmission frames penetrating one of the supporting plates and connected with the supporting plate in a sliding way, and the two first transmission frames are fixed with a plurality of second installation seats;
Two cylinders are fixed on the other supporting plate, and movable rods of the two cylinders are fixed with two first transmission frames.
The first correction component comprises three correction frames, and the three correction frames are connected through a second connecting plate;
the three correction frames are fixed with sliding blocks on one side facing the supporting plate, and the correction frames are in sliding fit with sliding grooves formed in the supporting plate through the sliding blocks, and correction plates integrally formed with the correction frames are arranged on two sides of the correction frames;
One side of the two correction frames is rotatably provided with a transmission plate, and the other end of the transmission plate is rotatably connected with the first transmission frame;
wherein, the correction frame is fixed with the correction board that is U-shaped setting.
As a still further scheme of the invention, copper sheets are arranged on the correction plate of the correction frame towards the equipment on one side of the pin of the test motor body, and the copper sheets are electrically connected with the power supply equipment through wires.
The second correction component comprises a second transmission frame arranged on the first connecting plate, and a plurality of rack parts are fixed on the second transmission frame;
A second screw rod is rotatably arranged on each supporting plate at the bottom of each second mounting seat, second threaded sleeves in threaded fit with the second screw rods are sleeved at two ends of each second screw rod, pushing plates are fixed on the second threaded sleeves, and second guide rods in sliding fit with the second threaded sleeves are fixed on two sides of each supporting plate;
The transmission shaft perpendicular to the second screw rod is rotatably arranged at the bottom of the second screw rod, a first gear is coaxially fixed on the transmission shaft, the first gear is meshed with the rack part, and the transmission shaft is further connected with the second screw rod through a bevel gear set.
As a still further proposal of the invention, a support seat is fixed on the first connecting plate, and a rack plate is arranged on the support seat in a sliding way;
the rack plate is provided with a limit groove which is in sliding fit with a limit block arranged in the supporting seat;
A third screw rod is fixed on one side, facing the supporting seat, of the second transmission frame, a third threaded sleeve in threaded fit with the third screw rod is sleeved on the third screw rod, the third threaded sleeve is rotationally connected with the supporting seat, a second gear is coaxially fixed on the third threaded sleeve, and the second gear is meshed with the rack plate;
a third guide rod in sliding fit with the rack plate is fixed on one side of the supporting seat, and a spring is sleeved on the third guide rod;
and a roller matched with the box door is rotatably arranged on one side, away from the spring, of the rack plate.
As a still further proposal of the invention, a temperature test piece is fixed on the first mounting seat, and the temperature test piece is electrically connected with the processing equipment through a lead.
The invention also provides a durability test method for the stepping motor, which adopts the durability test device for the stepping motor and comprises the following steps:
firstly, placing a test motor body between a first mounting seat and a second mounting seat, and then moving towards a test mechanism through a pushing piece supporting plate;
Step two, adjusting the position of the test motor body through the first correction component and the second correction component when the supporting plate moves, connecting a circuit of the test motor body, and then clamping and fixing the test motor body by driving the first mounting seat to vertically descend;
and thirdly, after the supporting plate moves to the end of the stroke, inserting the output shaft of the testing motor body into a testing port of the testing mechanism for testing.
Compared with the prior art, the invention has the beneficial effects that the test motor body can be clamped and fixed through the second mounting seat and the first mounting seat, and the correction work of the test motor body is completed through the first correction component and the second correction component before the test motor body is clamped and fixed;
wherein, the correction work comprises the following two kinds of:
1. The front and back of the test motor body are adjusted and corrected, so that the center positions of the test motor body are positioned at the center positions of the first mounting seat and the second mounting seat, the positions of the output shafts of the plurality of test motor bodies are the same, and the lengths of the output shafts of the test motor bodies inserted into the test ports of the test mechanism are the same when the support plate moves to the tail end of the stroke;
2. The rotation angle of the test motor body is adjusted, so that two pins of the test motor body are vertical, and the two pins are connected with electricity, and the step can automatically complete the circuit connection of the test motor;
through foretell correction work can make test motor body place in second mount pad and the follow-up work of a mount pad in automatic unified completion to have relatively higher degree of automation, make the efficiency when carrying out the test further promote, and the security is higher, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of a endurance testing apparatus for a stepping motor.
Fig. 2 is a schematic view of the structure in the roof box of fig. 1.
Fig. 3 is a schematic view of the structure of the first connecting plate in the endurance testing apparatus for the stepper motor.
Fig. 4 is a schematic view of the structure of fig. 3 in another direction.
Fig. 5 is a schematic structural view of a correction module No. two in a endurance testing apparatus for a stepping motor.
Fig. 6 is an enlarged view at a in fig. 5.
Fig. 7 is an enlarged view at B in fig. 5.
Fig. 8 is a schematic structural view of a first correction module in a endurance testing apparatus for a stepping motor.
Fig. 9 is a schematic diagram showing a gap between a rack portion and a second connection plate in a endurance testing apparatus for a stepping motor.
Fig. 10 is an exploded view of rack plate and No. two gears and related structures in a endurance testing apparatus for a stepper motor.
Fig. 11 is a schematic diagram of the calibration of the endurance test apparatus calibration stand for the stepper motor.
Fig. 12 is a schematic diagram of the correction of the push plate of the endurance testing apparatus for the stepping motor.
In the figure, 1, a test box; 101, a first connecting plate, 2, a door, 3, a drawer, 301, processing equipment, 302, a control module, 4, a testing mechanism, 5, a first screw rod, 501, a transmission chain, 502, a first threaded sleeve, 6, a supporting plate, 601, a supporting rod, 7, a first transmission frame, 8, a first installation seat, 801, a second installation seat, 802, a temperature test piece, 803, a first guide rod, 804, a rubber pad, 9, a second transmission frame, 901, a rack part, 902, a first gear, 10, a correction frame, 11, a testing motor body, 12, an assembly groove, 13, a second screw rod, 1301, a second threaded sleeve, 1302, a pushing plate, 1303, a second guide rod, 1304, a bevel gear set, 14, a sliding groove, 1401, a sliding block, 1402, a second connecting plate, 15, a third screw rod, 1501, a third threaded sleeve, 16, a rack plate, 1601, a third guide rod, 1602, a spring, 1603, a roller, 1604, a limit groove, 17, a supporting seat, 1, a limit block, 18, a second gear, 19, a transmission plate, 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 12, a endurance testing apparatus for a stepper motor includes a testing box 1, wherein the testing box 1 includes a top box and a bottom box, the top box and the bottom box are fixed by a first connecting plate 101, a supporting leg is fixed at the bottom of the bottom box, and a box door 2 is connected at one side of the top box;
The two support plates 6 are fixed through support rods 601, and one support plate 6 positioned at the ground part is slidably arranged on the first connecting plate 101 through a pushing piece;
A plurality of second installation seats 801 are fixed on the two support plates 6 at equal intervals, first guide rods 803 are fixed at four corners of the tops of the second installation seats 801, first installation seats 8 are vertically and slidably installed on the first guide rods 803, the first installation seats 8 are connected with lifting pieces installed on the support plates 6, and the lifting pieces are connected with first correction assemblies installed on the support plates 6;
the second correction component is arranged at the bottoms of the two support plates 6;
The drawer 3 is slidably arranged on the bottom box, the processing equipment 301 and the control module 302 are fixed in the drawer 3, the processing equipment 301 and the control module 302 are electrically connected through wires, the testing mechanism 4 is fixed on the processing equipment 301, and the testing mechanism 4 is electrically connected with the processing equipment 301 through wires.
A temperature test piece 802 is fixed on the first mounting seat 8, and the temperature test piece 802 is electrically connected with the processing equipment 301 through a wire.
In the embodiment of the present invention, after the first mounting seat 8 vertically descends to clamp the test motor body 11, the first guide 803 contacts the test motor body 11, and the temperature of the test motor body 11 is tested by the first guide 803 and the data is transmitted to the processing device 301.
In the embodiment of the present invention, the test motor body 11 is placed between the second mounting seat 801 and the first mounting seat 8, the output shaft of the test motor body 11 faces the test mechanism 4, then the pushing piece drives the two support plates 6 to move towards the test mechanism 4, and the second correction component is driven to move when the support plates 6 move towards the test mechanism 4, so that the position of the test motor body 11 is adjusted by the second correction component, and the center position of the test motor body 11 is located at the center positions of the first mounting seat 8 and the second mounting seat 801, if no adjustment is performed, the two problems are presented:
Firstly, one end of an output shaft of the test motor body 11 is too much, and when the test motor body 11 is pushed to form a tail end through a pushing piece, the output shaft of the test motor body 11 is inserted into a test port of the test mechanism 4, and the test motor body 11 is damaged smoothly due to the fact that one end of the output shaft is longer;
secondly, one end of an output shaft of the test motor body 11 is too small, and when the test motor body 11 is pushed to form a tail end by a pushing piece, the output shaft of the test motor body 11 cannot be inserted into a test port of the test mechanism 4;
the center positions of the test motor body 11 are required to be positioned at the center positions of the first mounting seat 8 and the second mounting seat 801, and the positions of the test motor body can be corrected through the second correction assembly;
The lifting assembly is driven to vertically descend to clamp the test motor body 11 when in operation, the positions of the positive electrode and the negative electrode of the test motor body 11 are adjusted through the first correction piece in the descending process of the second mounting seats 801, and the test motor body 11 is electrified through the second correction assembly;
After the output shaft of the test motor body 11 is inserted into the test port of the test mechanism 4, the test motor body 11 is uniformly started to test the test motor body 11;
Wherein, a mount pad 8 and No. two mount pad 801 are all provided with rubber pad 804 on opposite one side, when can make a mount pad 8 and No. two mount pad 801 carry out the centre gripping to test motor body 11 through rubber pad 804, reduce the pressure to test motor body 11 through the compression to rubber pad 804, and make it have higher stability.
The pushing piece comprises two first screw rods 5 rotatably arranged on the first connecting plate 101, and the two first screw rods 5 are connected through a transmission chain 501;
The first screw rods 5 are sleeved with first threaded sleeves 502 which are in threaded fit with the first screw rods, and the first threaded sleeves 502 are fixed with the supporting plate 6 through connecting plates.
In the embodiment of the invention, one of the first screw rods 5 is connected with a motor of a driving device, one of the first screw rods 5 is driven to rotate through an output shaft of the motor when the motor works, and the other first screw rod 5 is driven to rotate through a transmission chain 501 when one of the first screw rods 5 rotates, so that the two first screw rods 5 synchronously rotate;
when the first screw rod 5 rotates, the first screw rod 502 and the supporting plate 6 are driven to move towards/away from the testing mechanism 4 through the threaded fit of the first screw rod 502;
The invention is only shown in an embodiment with relatively low cost, but the mechanism such as an electric sliding rail can be selected to drive the supporting plate 6 to move towards/away from the testing mechanism 4 according to actual production requirements, and the invention is not limited in particular.
The lifting piece comprises two first transmission frames 7 penetrating one supporting plate 6 and connected with the supporting plate in a sliding manner, and the two first transmission frames 7 are fixed with a plurality of second installation seats 801;
Two air cylinders 19 are fixed on the other support plate 6, and movable rods of the two air cylinders 19 are fixed with the two first transmission frames 7.
In the embodiment of the invention, when the two cylinders 19 work, the transmission output shafts drive the two first transmission frames 7 to ascend/descend so as to drive the plurality of second installation seats 801 to ascend/descend through the two cylinders 19;
The present embodiment plays a role in synchronously driving the plurality of second mounting seats 801 to move toward/away from the first mounting seat 8, and plays a role in clamping/releasing the frames.
The distinguishing features of the second embodiment and the first embodiment are that the first correction component comprises three correction frames 10, and the three correction frames 10 are connected through a second connecting plate 1402;
The side, facing the support plate 6, of the three correction frames 10 is fixedly provided with a sliding block 1401, the correction frames 10 are in sliding fit with sliding grooves 14 formed in the support plate 6 through the sliding block 1401, and two sides of the three correction frames 10 are respectively provided with a correction plate integrally formed with the three correction frames;
one side of the two correction frames 10 is rotatably provided with a transmission plate 20, and the other end of the transmission plate 20 is rotatably connected with a first transmission frame 7;
Wherein, the correction frame 10 is fixed with a correction plate which is arranged in a U shape.
In the embodiment of the invention, when the first transmission frame 7 vertically descends, two correction frames 10 are driven by the transmission plate 20 to horizontally move, and then when the correction frames 10 move, the rest correction frames 10 are driven by the sliding block 1401 to move along, so that a plurality of correction frames 10 synchronously horizontally move;
The test motor body 11 is electrified through positive and negative pins at the tail end, the positions of the test motor body 11 are random when the test motor body is placed between the test motor body and the first mounting seat 8 and the second mounting seat 801, and although the positions of the pins of the test motor body 11 can be deliberately controlled when the test motor body is placed, certain deviation can be generated after the test motor body is separated from equipment/hands, so that the positions of the pins can not be determined when the test motor body is electrified through the equipment, and further, the test motor body can only be electrified manually, in the prior art, the test motor body is electrified manually through crocodile clamps, and the process is complicated;
referring to fig. 11, when the test motor body 11 is placed in the first mounting seat 8 and the second mounting seat 801 by means of equipment/manual operation, it is rotated by a certain angle when it is separated, and when the correction frame 10 is horizontally moved, it pushes the positive/negative electrodes of the pins of the test motor body 11, so that the pins are rotated to an upright state, so that the power is supplied to the test motor body by means of the equipment;
The pin position of the test motor body 11 is adjusted by the first mounting seat 8 and the second mounting seat 801 before clamping the test motor body 11.
The correction board of the correction frame 10 is provided with a copper sheet towards the equipment on one side of the pin of the test motor body 11, and the copper sheet is electrically connected with the power supply equipment through a lead.
In the embodiment of the invention, when the correction frame 10 horizontally moves to correct the pins of the test motor body 11, the pins are driven to rotate to a vertical state, and the positive and negative pins are contacted with the correction plate of the correction frame 10, so that the positive and negative pins of the test motor body 11 are contacted with the copper sheet, and the electrifying work is completed while the positions of the positive and negative pins of the test motor body 11 are determined by correcting the correction frame 10.
The third embodiment is characterized in that the second correction component comprises a second transmission frame 9 arranged on a first connecting plate 101, and a plurality of rack parts 901 are fixed on the second transmission frame 9;
a second screw rod 13 is rotatably installed on a supporting plate 6 at the bottom of each second installation seat 801, second threaded sleeves 1301 in threaded fit with the second screw rods 13 are sleeved at two ends of each second screw rod 13, push plates 1302 are fixed on the second threaded sleeves 1301, and second guide rods 1303 in sliding fit with the second threaded sleeves 1301 are fixed at two sides of the supporting plate 6;
The bottom of the second screw rod 13 is rotatably provided with a transmission shaft perpendicular to the second screw rod 13, a first gear 902 is coaxially fixed on the transmission shaft, the first gear 902 is meshed with the rack part 901, the transmission shaft is also connected with the second screw rod 13 through a bevel gear set 1304, the bevel gear set 1304 comprises two bevel gears which are meshed with each other, and the two bevel gears are coaxially fixed with the second screw rod 13 and the transmission shaft respectively.
In the embodiment of the invention, the first gear 902 is driven to move along when the supporting plate 6 moves towards the testing mechanism 4, the first gear 902 rotates through meshing with the rack part 901 when moving, the first gear 902 rotates and drives the transmission shaft to rotate, the transmission shaft rotates to drive the second screw rod 13 to rotate through the bevel gear set 1304, the second screw rod 13 rotates and drives the two second threaded sleeves 1301 to move oppositely/reversely through matching with the threads of the second threaded sleeves 1301, when the two push plates 1302 move relatively, the testing motor body 11 is driven to move to the center positions of the second mounting seat 801 and the first mounting seat 8, the center positions of the second mounting seat 801 and the first mounting seat 8 are clamped when the testing motor body 11 is clamped, and then the output shafts of the plurality of testing motor bodies 11 are in a unified state, so that the output shafts of the testing motor body 11 are inserted into the testing mechanism 4 and an excessively long and excessively short phenomenon can not occur;
referring to fig. 12, two states of the test motor body 11 are shown, and after pushing by the push plate 1302, the two states both make the center position of the test motor body 11 coincide with the center line;
referring to fig. 9, in this embodiment, a certain gap exists between the rack 901 and the second connecting plate 1402, so that the rack and the second connecting plate do not interfere with each other during movement;
it should be noted that, the supporting plate 6 is provided with an assembling groove 12, and the bevel gear set 1304 is located in the assembling groove 12;
it should be noted that the above-mentioned process of correcting the test motor body 11 is also completed before the test motor body 11 is clamped.
A support seat 17 is fixed on the first connecting plate 101, and a rack plate 16 is slidably arranged on the support seat 17;
The rack plate 16 is provided with a limit groove 1604, and the limit groove 1604 is in sliding fit with a limit block 1701 arranged in the supporting seat 17;
A third screw rod 15 is fixed on one side, facing the supporting seat 17, of the second transmission frame 9, a third threaded sleeve 1501 in threaded fit with the third screw rod 15 is sleeved on the third screw rod 15, the third threaded sleeve 1501 is rotationally connected with the supporting seat 17, a second gear 18 is coaxially fixed on the third threaded sleeve 1501, and the second gear 18 is meshed with the rack plate 16;
a third guide rod 1601 in sliding fit with the rack plate 16 is fixed on one side of the supporting seat 17, and a spring 1602 is sleeved on the third guide rod 1601;
the rack plate 16 is rotatably mounted on a side remote from the spring 1602 with a roller 1603 which cooperates with the door 2.
In the embodiment of the invention, when the door 2 is closed, the rack plate 16 is driven to move towards a direction far away from the door 2 by the cooperation of the door 2 and the roller 1603, the gear 18 is driven to rotate by meshing with the gear 18 when the door 2 moves, the third threaded sleeve 1501 is driven to rotate when the gear 18 rotates, the third threaded sleeve 1501 drives the second transmission frame 9 to horizontally move by the cooperation of the threads of the third screw 15 when rotating, and meanwhile, the spring 1602 is stretched, so that the spring 1602 stores certain elastic potential energy, and when the door 2 is opened, the elastic potential energy stored by the spring 1602 is released to drive the rack plate 16 to reciprocate, and the corresponding second transmission frame 9 moves reversely;
Referring to fig. 6, the second screw rod 13 is located at the center of the second mounting seat 801, the corresponding first gear 902 and the rack 901 are also located at the center of the second mounting seat 801, and the location of the rack 901 affects the placement of the test motor body 11 between the first mounting seat 8 and the second mounting seat 801, so that the movement of the second transmission frame 9 and the rack 901 towards the supporting seat 17 is driven when the door 2 is closed, the rack 901 and the first gear 902 are disengaged and simultaneously abducted, so that no shielding exists when the test motor body 11 is placed between the first mounting seat 8 and the second mounting seat 801, and the reverse movement of the second transmission frame 9 and the rack 901 towards the direction away from the supporting seat 17 is driven when the door 2 is closed, so that the rack 901 is meshed with the first gear 902 again.
The invention also provides a durability test method for the stepping motor, which adopts a durability test device for the stepping motor and comprises the following steps:
step one, a test motor body 11 is placed between a first mounting seat 8 and a second mounting seat 801, and then moves towards a test mechanism 4 through a pushing piece supporting plate 6;
Step two, when the supporting plate 6 moves, the position of the test motor body 11 is adjusted through the first correction component and the second correction component, a circuit is connected, and then the test motor body 11 is clamped and fixed by driving the first mounting seat 8 to vertically descend;
and step three, after the supporting plate 6 moves to the end of the stroke, the output shaft of the test motor body 11 is inserted into a test port of the test mechanism 4 for testing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. A endurance testing apparatus for a stepping motor, comprising:
The testing box (1), the testing box (1) comprises a top box and a bottom box, the top box and the bottom box are fixed through a first connecting plate (101), the bottom of the bottom box is fixedly provided with supporting legs, and a box door (2) is connected to one side of the top box;
the two support plates (6) are fixed through support rods (601), and one support plate (6) positioned at the ground part is slidably arranged on the first connecting plate (101) through a pushing piece;
A plurality of second installation seats (801) are fixed on the two support plates (6) at equal intervals, first guide rods (803) are fixed at four corners of the tops of the second installation seats (801), first installation seats (8) are vertically and slidably installed on the first guide rods (803), the first installation seats (8) are connected with lifting pieces installed on the support plates (6), and the lifting pieces are connected with first correction assemblies installed on the support plates (6);
The second correction component is arranged at the bottoms of the two support plates (6);
The drawer (3) is slidably arranged on the bottom box, processing equipment (301) and a control module (302) are fixed in the drawer (3), the processing equipment (301) and the control module (302) are electrically connected through wires, a testing mechanism (4) is fixed on the processing equipment (301), and the testing mechanism (4) is electrically connected with the processing equipment (301) through wires;
The pushing piece comprises two first screw rods (5) rotatably arranged on the first connecting plate (101), and the two first screw rods (5) are connected through a transmission chain (501);
A first threaded sleeve (502) in threaded fit with the first screw rods (5) is sleeved on the first screw rods, and the first threaded sleeve (502) is fixed with the supporting plate (6) through a connecting plate;
The lifting piece comprises two first transmission frames (7) penetrating one supporting plate (6) and connected with the supporting plate in a sliding mode, and the two first transmission frames (7) are fixed with a plurality of second installation seats (801);
two air cylinders (19) are fixed on the other supporting plate (6), and movable rods of the two air cylinders (19) are fixed with two first transmission frames (7);
the first correction assembly comprises three correction frames (10), and the three correction frames (10) are connected through a second connecting plate (1402);
The three correction frames (10) are fixed with sliding blocks (1401) towards one side of the supporting plate (6), the correction frames (10) are in sliding fit with sliding grooves (14) formed in the supporting plate (6) through the sliding blocks (1401), and correction plates integrally formed with the three correction frames (10) are arranged on two sides of the correction frames;
One side of the two correction frames (10) is rotatably provided with a transmission plate (20), and the other end of the transmission plate (20) is rotatably connected with the first transmission frame (7);
Wherein, the correction frame (10) is fixed with a correction plate which is arranged in a U shape;
The correction board of the correction frame (10) is provided with a copper sheet towards the equipment at one side of the pin of the test motor body (11), and the copper sheet is electrically connected with the power supply equipment through a lead;
the second correction assembly comprises a second transmission frame (9) arranged on the first connecting plate (101), and a plurality of rack parts (901) are fixed on the second transmission frame (9);
A second screw rod (13) is rotatably arranged on a supporting plate (6) at the bottom of each second mounting seat (801), second threaded sleeves (1301) in threaded fit with the second screw rods are sleeved at two ends of each second screw rod (13), a push plate (1302) is fixed on each second threaded sleeve (1301), and second guide rods (1303) in sliding fit with the second threaded sleeves (1301) are fixed at two sides of each supporting plate (6);
The transmission shaft perpendicular to the second screw rod (13) is rotatably arranged at the bottom of the second screw rod (13), a first gear (902) is coaxially fixed on the transmission shaft, the first gear (902) is meshed with the rack part (901), and the transmission shaft is further connected with the second screw rod (13) through a bevel gear set (1304).
2. The endurance testing apparatus for a stepping motor according to claim 1, wherein a support base (17) is fixed on the first connecting plate (101), and a rack plate (16) is slidably mounted on the support base (17);
a limiting groove (1604) is formed in the rack plate (16), and the limiting groove (1604) is in sliding fit with a limiting block (1701) arranged in the supporting seat (17);
A third screw rod (15) is fixed on one side, facing the supporting seat (17), of the second transmission frame (9), a third threaded sleeve (1501) in threaded fit with the third screw rod is sleeved on the third screw rod (15), the third threaded sleeve (1501) is rotationally connected with the supporting seat (17), a second gear (18) is coaxially fixed on the third threaded sleeve (1501), and the second gear (18) is meshed with the rack plate (16);
A third guide rod (1601) in sliding fit with the rack plate (16) is fixed on one side of the supporting seat (17), and a spring (1602) is sleeved on the third guide rod (1601);
And a roller (1603) matched with the box door (2) is rotatably arranged on one side of the rack plate (16) away from the spring (1602).
3. The endurance testing apparatus for a stepper motor according to claim 2, wherein a temperature test piece (802) is fixed on the first mounting base (8), and the temperature test piece (802) is electrically connected with the processing device (301) through a wire.
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| CN202411471267.9A CN119001179B (en) | 2024-10-22 | 2024-10-22 | Durability testing device and testing method for stepper motor |
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| CN202411471267.9A CN119001179B (en) | 2024-10-22 | 2024-10-22 | Durability testing device and testing method for stepper motor |
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| CN111299191A (en) * | 2020-03-27 | 2020-06-19 | 深圳市龙德奥奇自动化系统有限公司 | A kind of motor test automation equipment |
| CN113772325A (en) * | 2021-08-13 | 2021-12-10 | 谭志莲 | Production motor detection equipment of assembly line |
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| JP7400493B2 (en) * | 2020-01-22 | 2023-12-19 | 株式会社デンソー | motor control device |
| CN215180350U (en) * | 2021-04-30 | 2021-12-14 | 南昌同兴达精密光电有限公司 | Motor pin power-on testing device |
| CN113686784B (en) * | 2021-09-17 | 2022-05-27 | 深圳锐特机电技术有限公司 | Servo motor circuit detection device and detection method |
| CN217360217U (en) * | 2021-12-02 | 2022-09-02 | 常州凌頔电机有限公司 | Test platform for direct-current stepping motor |
| CN115308600B (en) * | 2022-10-13 | 2022-12-16 | 江苏瀚丰机械制造有限公司 | Motor test platform and test method |
| CN220479455U (en) * | 2023-06-14 | 2024-02-13 | 扬州市奇奇动感影院设备有限公司 | Permanent magnet synchronous motor drive testing device |
| CN116540092A (en) * | 2023-06-21 | 2023-08-04 | 江苏梦天机电科技有限公司 | Electric motor car motor test platform |
| CN221742859U (en) * | 2024-03-12 | 2024-09-20 | 鲲玖泵业(无锡)有限公司 | A chemical process pump with easy adjustment of main shaft |
| CN118150875B (en) * | 2024-05-13 | 2024-07-05 | 常州合泰电机电器股份有限公司 | Motor detection tool |
| CN118611359A (en) * | 2024-06-19 | 2024-09-06 | 杭州纳智电机有限公司 | Auxiliary platform mechanism and process for assembling high-precision servo motor system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111299191A (en) * | 2020-03-27 | 2020-06-19 | 深圳市龙德奥奇自动化系统有限公司 | A kind of motor test automation equipment |
| CN113772325A (en) * | 2021-08-13 | 2021-12-10 | 谭志莲 | Production motor detection equipment of assembly line |
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