CN215641391U

CN215641391U - Testing device for direct-drive motor

Info

Publication number: CN215641391U
Application number: CN202121756396.4U
Authority: CN
Inventors: 吴斌
Original assignee: Suzhou Yingle Electromechanical Automation Technology Co ltd
Current assignee: Suzhou Yingle Electromechanical Automation Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-25
Anticipated expiration: 2031-07-30

Abstract

The application discloses a testing device for a direct drive motor, which comprises a second fixing box, a fixing mechanism and a buffering mechanism; the fixed establishment includes the fixed block, two rotate respectively on the fixed block and be connected with the threaded rod both ends, threaded rod one end is rotated and is run through one of them fixed block and extend to the outside, two traveling sleeve, two have been cup jointed to the screw thread on the threaded rod equal fixedly connected with splint on the traveling sleeve, two equal fixedly connected with two sliders, four in traveling sleeve bottom sliding connection is on two fixed spouts respectively. This application drives two traveling sleeve motions through rotating the threaded rod, and the slider of traveling sleeve bottom slides on fixed spout, and traveling sleeve motion pole drives two splint to the intermediate motion, will directly drive motor both ends centre gripping, is provided with the slipmat through splint, increase and directly drive the friction between the motor to directly driving the motor to the difference and fixing.

Description

Testing device for direct-drive motor

Technical Field

The application relates to the field of motor testing, in particular to a testing device for a direct-drive motor.

Background

The direct drive motor is short for direct drive motors, mainly means that the motors do not need to pass through a transmission device (such as a transmission belt) when driving loads, the direct drive motor is suitable for various washing machines, and the main benefits of the direct drive motor include silence, energy conservation, stability and strong power.

The existing direct-drive motor needs to be subjected to rotating speed testing before leaving a factory, the qualification rate of the direct-drive motor is guaranteed, the existing testing device for the direct-drive motor cannot meet the requirement of stably installing motors in different batches, and vibration can be generated in the testing work of the direct-drive motor, so that the testing result generates errors. Therefore, a test device for a direct drive motor is proposed to address the above problems.

Disclosure of Invention

The testing device for the direct drive motor is provided in the embodiment, and is used for solving the problems that the direct drive motors in different batches cannot be stably installed and the vibration of motor testing cannot be buffered in the prior art.

According to one aspect of the application, a testing device for a direct drive motor is provided, and comprises a second fixing box, a fixing mechanism and a buffering mechanism;

the fixed establishment includes the fixed block, two rotate respectively on the fixed block and be connected with the threaded rod both ends, threaded rod one end is rotated and is run through one of them fixed block and extend to the outside, the screw has cup jointed two traveling sleeves, two on the threaded rod equal fixedly connected with splint on the traveling sleeve, two equal fixedly connected with slider in traveling sleeve bottom, four the slider is sliding connection respectively on two fixed spouts, two fixed spout is equal fixed to be established on first fixed roof, two all fixed slipmat, two between the splint the slipmat respectively with directly drive motor both ends overlap joint, directly drive motor output fixedly connected with connecting axle, fixedly connected with rotates the carousel on the connecting axle, rotate carousel side fixedly connected with locating piece.

Further, a velocimeter is fixedly connected to the first fixing box.

Furthermore, the fixed cover in the middle of the threaded rod has connect the piece, the threaded rod is located and cup joints the piece both ends screw thread and sets up for opposite.

Furthermore, buffer gear is including cup jointing the pole, two cup jointing the pole and fixedly cup jointing at first fixed incasement wall and the fixed incasement wall of second respectively, two all slide sleeve has been cup jointed in the slip on the pole, four slide sleeve is last to rotate respectively to be connected with two rotor plates.

Furthermore, the middle of the two rotating plates is in cross rotating connection.

Furthermore, the first fixed box and the second fixed box are both fixedly provided with a slot at the position of the sliding sleeve.

Furthermore, two telescopic links of fixedly connected with on the first fixed bottom of the case wall, telescopic link other end fixed connection is on the fixed case of second, telescopic link cup joints the spring outward, spring both ends are fixed connection respectively on first fixed case and the fixed case of second.

Through the above-mentioned embodiment of this application, adopted fixed establishment and buffer gear, solved and to the problem that the vibrations of motor test can not cushion the firm installation of the direct drive motor of different batches, improved the accuracy of direct drive motor test.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a side view of a fastening mechanism attachment according to an embodiment of the present application.

In the figure: 1. the device comprises a first fixed box, 2, a spring, 3, a telescopic rod, 4, a sleeve rod, 5, a second fixed box, 6, a sliding sleeve, 7, a groove, 8, a rotating plate, 9, a fixed block, 10, a threaded rod, 11, a movable sleeve, 12, a direct-drive motor, 13, a clamping plate, 14, a fixed sliding groove, 15, a sliding block, 16, a connecting shaft, 17, a rotating turntable, 18, a positioning block, 19, a velocimeter, 20 and an anti-slip pad.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The testing device in this embodiment may be applied to various motors, for example, the following motor is provided in this embodiment, and the testing device in this embodiment may be used to test the following motor.

The motor comprises a front shell, a stator punching sheet, a rotor assembly and a rear shell, wherein the stator punching sheet, the rotor assembly and the rear shell are fixed in the front shell, the rear shell is connected with the front shell, a sound insulation cavity is arranged in the front shell, the sound insulation cavity is provided with an opening facing to the rear shell, a sound insulation material is arranged in the sound insulation cavity, one end of the sound insulation material is laid in the sound insulation cavity, and the other end of the sound insulation material is in contact with the rear shell; the motor provided by the technical scheme of the utility model has the advantages that the sound insulation cavity is arranged in the front shell, and the sound insulation material is arranged in the sound insulation cavity, so that a maintenance structure is formed, the effect of insulating the noise of the motor is played, the noise of the motor is shielded from being transmitted to the outside of the motor, and the vibration and the noise of the motor are greatly reduced; the sound absorption structure is arranged at the inner cylinder part of the front shell, so that the sound absorption structure has excellent sound absorption performance in a certain frequency band to meet special sound absorption requirements, and the aim of well reducing the noise generated when the motor operates is fulfilled by the combined noise elimination of the sound insulation and noise elimination of the sound insulation material and the sound absorption and noise elimination of the sound absorption structure; and above-mentioned stator towards the connected mode of piece and procapsid, can realize forming the space and setting up the sound absorbing structure between the lateral surface of stator towards the piece and the inner tube portion of procapsid, the sound absorbing structure can form the tube-shape sound absorbing structure who distributes at the interior tube portion of procapsid, thereby make inside having abundant space arrangement sound insulation material and sound absorbing structure of motor, thereby under the condition of not increasing the wall thickness of procapsid as far as possible, through the combination noise elimination of the sound insulation noise elimination of sound insulation material and the sound absorbing structure's the noise elimination of inhaling the sound, reach the good purpose that reduces the noise when the motor moves.

The sound absorption structure is a cylindrical structure which is uniformly distributed in the cylinder part in the front shell; convex parts arranged at intervals along the circumferential direction are formed on the outer side surface of the stator punching sheet, the stator punching sheet is tightly matched with the inner cylinder part through the convex parts, and a gap is formed between the outer side surface of the stator punching sheet between the adjacent convex parts and the inner wall surface of the inner cylinder part; the convex part of the stator punching sheet is tightly matched with the inner cylinder part, so that the stator punching sheet is assembled with the front shell; a sound absorption structure is arranged by utilizing a gap between the outer side surface of the stator punching sheet between the adjacent convex parts and the inner wall surface of the inner cylinder part, so that the sound absorption structure is arranged in a space in the front shell while the stator punching sheet and the front shell are firmly assembled, and the aim of reducing the noise of the motor is fulfilled; the inner wall surface of the inner cylinder part is provided with matching surfaces arranged at intervals along the circumferential direction, the outer side surface of the convex part is provided with a matching corresponding surface corresponding to the matching surfaces, and the two sides of the matching surfaces along the circumferential direction are provided with circumferential stop bayonets; the inner part of the front shell is provided with a matching surface, and the outer surface of the stator punching sheet is in a shape which is tightly matched with the matching surface of the front shell; the stator punching sheet is radially and tightly matched with the matching surface formed on the inner wall surface of the inner cylinder part through the matching corresponding surface formed on the outer side surface of the convex part, and the corresponding circumferential positioning bayonet is circumferentially positioned, so that the front shell and the stator punching sheet form an integral structure, the firmness of the connection between the stator punching sheet and the front shell is ensured, the rigidity of the stator punching sheet is improved, and the improvement of electromagnetic noise of a motor is facilitated; a rabbet surface positioned in the inner cylinder part is formed on the front shell, the stator punching sheet is pressed into the front shell in an interference fit mode and stops at the position of the rabbet surface, and the rabbet surface of the front shell is used for axially limiting the stator punching sheet so as to ensure the accuracy of the stator punching sheet at the axial installation position; the sound insulation material is a sound insulation material with sound insulation characteristics, such as a pinewood plate, rubber and the like, of course, the sound insulation material can also be other materials with sound insulation characteristics, and other heavy and compact sound insulation materials, such as polyurethane and the like, can be selected; the sound absorption structure is a sound absorption structure with sound absorption characteristics, such as a perforated plate sound absorption structure, a thin PVC sound absorber, sound absorption cotton and the like, of course, the sound absorption structure can also be other materials with sound absorption characteristics, and loose and porous materials such as sponge, glass cotton, polyester cotton and the like can be selected; the inner wall surface of the inner cylinder part is configured to be cylindrical or square; the sound insulation cavity is a circular sound insulation cavity or a zigzag sound insulation cavity.

Of course, the embodiment can also be used for testing direct drive motors with other structures. Here, a description is not repeated, and the following describes the testing mechanism according to the embodiment of the present application.

Referring to fig. 1-3, a testing device for a direct drive motor includes a second fixing box 5, a fixing mechanism and a buffering mechanism;

the fixing mechanism comprises fixing blocks 9, two fixing blocks 9 are respectively and rotatably connected with two ends of a threaded rod 10, one end of the threaded rod 10 is rotatably penetrated through one fixing block 9 and extends to the outside, two movable sleeves 11 are sleeved on the threaded rod 10 in a threaded manner, clamping plates 13 are respectively and fixedly connected on the two movable sleeves 11, two sliding blocks 15 are respectively and fixedly connected at the bottoms of the two movable sleeves 11, the four sliding blocks 15 are respectively and slidably connected on two fixed sliding chutes 14, the two fixed sliding chutes 14 are respectively and fixedly arranged on the top wall of a first fixing box 1, a non-slip mat 20 is respectively and fixedly arranged between the two clamping plates 13, the two non-slip mats 20 are respectively and respectively lapped with two ends of a direct drive motor 12, the output end of the direct drive motor 12 is fixedly connected with a connecting shaft 16, a rotating turntable 17 is fixedly connected on the connecting shaft 16, and a positioning block 18 is fixedly connected on the side edge of the rotating turntable 17, it is convenient to fix different direct drive motors 12 by changing the distance between the two clamping plates 13.

The first fixing box 1 is fixedly connected with a velocimeter 19, so that the speed of the positioning block 18 can be conveniently measured, and the rotating speed of the direct drive motor 12 can be obtained; the middle of the threaded rod 10 is fixedly sleeved with the sleeving block, and the threads at two ends of the threaded rod 10 on the sleeving block are arranged oppositely, so that the two movable sleeves 11 can move in opposite directions simultaneously; the buffer mechanism comprises two sleeve connecting rods 4, the two sleeve connecting rods 4 are fixedly sleeved on the inner walls of the first fixed box 1 and the second fixed box 5 respectively, two sliding sleeves 6 are sleeved on the two sleeve connecting rods 4 in a sliding manner, and two rotating plates 8 are rotatably connected on the four sliding sleeves 6 respectively; the middle parts of the two rotating plates 8 are in cross rotating connection, so that the angle between the rotating plates 8 can be changed conveniently; the first fixed box 1 and the second fixed box 5 are both fixedly provided with a slot 7 at the position of the sliding sleeve 6, so that the sliding sleeve 6 can slide conveniently; two telescopic links 3 of fixedly connected with on the 1 diapire of first fixed case, 3 other end fixed connection of telescopic link are on the fixed case 5 of second, 3 outer cup joints of telescopic link have

spring

2, 2 both ends of spring fixed connection respectively are on first fixed case 1 and the fixed case 5 of second, are convenient for cushion directly driving motor 12 vibrations.

When the direct-drive motor 12 is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, firstly, a tested direct-drive motor 12 is placed between two clamping plates 13, the threaded rod 10 rotates to drive the two movable sleeves 11 to move by rotating the threaded rod 10, the sliding block 15 at the bottom end of each movable sleeve 11 slides on the fixed sliding chute 14, so that the movable sleeve 11 moves more stably, the movable rod of each movable sleeve 11 drives the two clamping plates 13 to move towards the middle, the two ends of the direct-drive motor 12 are clamped, friction between the fixed plates and the direct-drive motor 12 is increased by arranging the anti-slip pads 20 in the clamping plates 13, so that different direct-drive motors 12 are fixed, the direct-drive motor 12 is started, the direct-drive motor 12 works to drive the rotary turntable 17 on the connecting shaft 16 to rotate, and the rotation of the positioning block 18 on the rotary turntable 17 is measured by the speedometer 19, so as to obtain the rotating speed of the drive motor, the vibrations that produce in the working process of directly driving motor 12 drive first fixed case 1 and push down, and first fixed case 1 pushes down and drives the turned angle change between two rotor plates 8, and sliding sleeve 6 slides on cup jointing pole 4, and telescopic link 3 contracts, and spring 2 compresses, and the effect of spring 2 elasticity promotes first fixed case 1 and upwards moves, cushions the vibrations of directly driving motor 12.

The application has the advantages that:

1. according to the direct-drive motor fixing device, the threaded rod is rotated to drive the two movable sleeves to move, the sliding block at the bottom end of each movable sleeve slides on the fixed sliding groove, the movable sleeve moving rod drives the two clamping plates to move towards the middle, the two ends of the direct-drive motor are clamped, and friction between the direct-drive motor and the direct-drive motor is increased through the anti-slip pads arranged in the clamping plates, so that different direct-drive motors are fixed;

2. this application drives first fixed case through the vibrations that directly drive the motor working process in and pushes down, and first fixed case pushes down and drives the turned angle change between two rotating plates, and the slip sleeve slides on cup jointing the pole, and the telescopic link shrink, spring compression, the first fixed case upward movement of spring elastic force effect promotion is cushioned the vibrations of directly driving the motor.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A testing arrangement for directly driving motor which characterized in that: comprises a second fixed box (5), a fixed mechanism and a buffer mechanism;

the fixing mechanism comprises fixing blocks (9), two fixing blocks (9) are respectively rotatably connected with two ends of a threaded rod (10), one end of the threaded rod (10) is rotatably penetrated through one fixing block (9) and extends to the outside, two movable sleeves (11) are sleeved on the threaded rod (10) in a threaded manner, two clamping plates (13) are respectively and fixedly connected onto the two movable sleeves (11), two sliding blocks (15) are respectively and fixedly connected onto the bottoms of the two movable sleeves (11), the four sliding blocks (15) are respectively and slidably connected onto two fixed sliding chutes (14), the two fixed sliding chutes (14) are respectively and fixedly arranged on the top wall of a first fixing box (1), an anti-skid pad (20) is fixedly arranged between the two clamping plates (13), the two anti-skid pads (20) are respectively lapped with two ends of a direct-drive motor (12), and the output end of the direct drive motor (12) is fixedly connected with a connecting shaft (16), the connecting shaft (16) is fixedly connected with a rotating turntable (17), and the side edge of the rotating turntable (17) is fixedly connected with a positioning block (18).

2. The testing device for the direct drive motor according to claim 1, wherein: the first fixing box (1) is fixedly connected with a velocimeter (19).

3. The testing device for the direct drive motor according to claim 1, wherein: the fixed cover in the middle of threaded rod (10) has connect the piece, threaded rod (10) are located and connect the piece both ends screw thread and set up for opposite.

4. The testing device for the direct drive motor according to claim 1, wherein: buffer gear is including cup jointing pole (4), two cup jointing pole (4) fixed cup joint respectively and have been connect two slip sleeves (6), four in first fixed case (1) and the fixed case (5) inner wall of second cup jointing pole (4) are gone up all to slide and are cup jointed two slip sleeve (6) rotate respectively on slip sleeve (6) and be connected with two rotor plates (8).

5. The testing device for the direct drive motor according to claim 4, wherein: the middle parts of the two rotating plates (8) are in cross rotating connection.

6. The testing device for the direct drive motor according to claim 1, wherein: the first fixing box (1) and the second fixing box (5) are both fixedly provided with a slot (7) at the position of the sliding sleeve (6).

7. The testing device for the direct drive motor according to claim 1, wherein: two telescopic links (3) of fixedly connected with on first fixed case (1) diapire, telescopic link (3) other end fixed connection is on the fixed case (5) of second, telescopic link (3) overcoat has cup jointed spring (2), spring (2) both ends difference fixed connection is on first fixed case (1) and the fixed case (5) of second.