CN214122416U - Test bench clamping tool for outer rotor motor - Google Patents

Abstract

The utility model relates to a motor test bench adds holds frock technical application, in particular to a test bench centre gripping frock for external rotor electric machine, wherein, a test bench centre gripping frock for external rotor electric machine, including leading-out terminal transmission shaft fixed subassembly and output supporting component, the output supporting component include the support frame and locate on the support frame and the transition flange that the output flat key-type connection of one end and motor. The utility model provides a test bench centre gripping frock for external rotor electric machine, when testing external rotor electric machine's performance on the rack for external rotor electric machine can adjust as required in the space, guarantees torque sensor and external rotor electric machine centering accuracy, firm being connected, plays the supporting role simultaneously.

Description

Test bench clamping tool for outer rotor motor

Technical Field

The utility model relates to a motor test bench adds holds frock technical application, in particular to a test bench centre gripping frock for external rotor electric machine.

Background

When an outer rotor motor (a motor spindle is not moved) is tested at the present stage, the outer rotor motor is special in appearance structure, and certain difficulty exists in safe and reliable connection of the outer rotor motor, so that a relatively complex fixed test tool needs to be designed when related motors are tested, the installation is difficult, and the tool is difficult to align.

"a fixed frock for external rotor electric machine test" of application number 201922454881.5 discloses a fixed frock for external rotor electric machine test, includes: the base is provided with a plurality of parallel guide rails, and sliding blocks are arranged in the guide rails; the bottom plate is connected with the base through a sliding block, and a groove is formed in the bottom plate; the cushion block is arranged in the groove, the cushion block is connected with the bottom plate through a horizontally arranged adjusting bolt, and the position of the cushion block can be finely adjusted in the direction vertical to the guide rail through the bolt; the upper bracket is fixedly connected with the cushion block and used for fixedly mounting a motor to be tested. The utility model discloses an interchangeable supporting structure can finely tune according to the concrete structure of being surveyed the motor for the outer rotor electric machine of different models is tested, guarantees the output that product actual performance parameter can be comparatively accurate.

Although the tool position can be adjusted by matching the through hole and the kidney-shaped hole with the bolt, and the compatibility with different test platforms is high by replacing the cushion block, the tool needs to be adapted to transmission shafts with different sizes by replacing different upper brackets, so that the adaptability is insufficient, and the manufacturing cost of the upper bracket of the structure is overhigh because the upper bracket is used for realizing the stability of the transmission shaft;

the 201721367335.2 application number 'an electric automobile hub motor test bench' discloses an electric automobile hub motor test bench, which comprises a bottom balance mounting plate and a bottom balance mounting plate, wherein the bottom balance mounting plate is provided with a stator shaft locking device used for fixing a stator shaft extending leftwards on an in-wheel motor, an installation compass which is used for being installed on the right side wall surface of an outer rotor on the in-wheel motor and is axially arranged along the left and right directions is arranged in the right area of the stator shaft locking device, a spacing space for the in-wheel motor to be placed is formed between the stator shaft locking device and the installation compass, a torque output shaft extending rightwards is arranged at the central position of the installation compass, the right end of the torque output shaft is connected with a first coupler extending rightwards, the right end of the first coupler is connected to the left end of a torque rotating speed sensor, the right end of the torque rotating speed sensor is connected with a second coupler extending rightwards, the right end of the second coupling is connected to the brake, so that the transmission efficiency is higher and the test effect is more accurate.

The right side wall surface installation of flange dish and last outer rotor of in-wheel motor is realized through the connection of locating hole and reference column to it.

SUMMERY OF THE UTILITY MODEL

For solving and mentioning among the above-mentioned background art, the current output of external rotor electric machine and the reliability problem of transition flange connection when testing, the utility model provides a test bench centre gripping frock for external rotor electric machine, including leading-out terminal transmission shaft fixed subassembly and output supporting component, output supporting component includes the support frame and locates on the support frame and the transition flange that the flat key-type connection of output end of one end and motor.

On the basis of the structure, further, the flat key connection comprises a first flat key;

the first key groove is formed in the outer wall surface of the input end of the transition flange;

the second key groove is positioned on the inner wall surface of the output end of the motor;

the first flat key is accommodated in the first key groove and the second key groove.

On the basis of the structure, further, a spigot used for positioning is arranged on the transition flange.

On the basis of the structure, the output end of the transition flange is connected with a coupling in a flat key mode.

On the basis of the structure, furthermore, a bearing is arranged on the supporting frame, and the output end of the transition flange penetrates through the bearing.

On the basis of the structure, furthermore, the top of the support frame is provided with a mounting groove, and the mounting groove is used for mounting a bearing.

On the basis of the structure, further, still be equipped with on the support frame and be used for cooperating the mounting groove to carry out the bearing clamping ring fixed to the bearing.

On the basis of the structure, the leading-out end transmission shaft fixing assembly further comprises a fixing support, a mandrel fixing block used for installing the leading-out end transmission shaft is arranged on the fixing support, and a first fastening piece used for fixing the position of the leading-out end transmission shaft is arranged on the mandrel fixing block;

and the fixed support is also provided with a second fastener for fixing the mandrel fixed block.

On the basis of the structure, the clamping tool further comprises a rack;

and the rack is provided with a position adjusting component for adjusting the horizontal position of the fixing support and/or the support frame.

On the basis of the structure, furthermore, a lifting assembly for adjusting the height of the fixing support and/or the supporting frame is arranged on the rack.

The utility model provides a pair of a test bench centre gripping frock for external rotor electric machine compares with prior art, has following advantage:

the arrangement of the transition flange is beneficial to realizing the connection of the motor and other mechanisms such as the shaft coupling, and the problem that the connection end of the motor cannot be directly fixedly connected due to the unmatched shapes and sizes of the connection end and the connection end of other mechanisms such as the shaft coupling is solved; meanwhile, the extension of the side shaft is realized, and the application places of the motor in the test needing to be externally connected with a speed measuring generator and an encoder are widened; meanwhile, the flat key connection mode has the advantages of simple structure, convenience in disassembly and assembly, good centering property and suitability for occasions with high speed and bearing variable loads and impacts.

Moreover, in order to further improve the stability of the motor during testing, the mandrel fixing block is arranged on the fixing support, the transmission shaft of the outer rotor motor can be effectively fixed through the mandrel fixing block and the fastening piece arranged on the mandrel fixing block, the fastening piece is also arranged on the fixing support, so that the mandrel fixing block can be stably arranged on the fixing support, and the stability of the transmission shaft is enhanced through the matching use of the mandrel fixing block and the fixing support;

meanwhile, in order to increase the operability and accuracy of the centering process, a T-shaped sliding groove, a position adjusting assembly, a lifting assembly and other structures are arranged on the rack.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is the utility model provides a pair of a structural schematic diagram of a test bench clamping tool for external rotor electric machine.

Fig. 2 is a structural schematic diagram of a test bed clamping tool for an external rotor motor according to the present invention;

FIG. 3 is a schematic diagram of a test bench for an external rotor electric machine

Fig. 4 is a structural schematic diagram of a test bed clamping tool for an external rotor motor according to the present invention, which is connected to a coupling;

fig. 5 is a schematic structural diagram of a transition flange provided by the present invention;

figure 6 is the utility model provides a support frame structure sketch map with bearing and bearing clamping ring

Fig. 7 is an exploded view of a part of the structure of the support frame provided with the bearing and the bearing press ring;

fig. 8 is an exploded view of a portion of the structure of a fixing bracket and a mandrel fixing block provided by the present invention;

fig. 9 is a schematic structural diagram of a mandrel fixing block according to the present invention;

fig. 10 is a schematic structural diagram of a rack provided by the present invention;

fig. 11 is a side view of a rack provided by the present invention;

fig. 12 is a schematic view of an overall structure of a test bed of an external rotor motor according to the present invention;

fig. 13 is a schematic structural view of a limiting structure provided by the present invention;

fig. 14 is a schematic structural diagram of a lifting adjusting plate according to the present invention.

Reference numerals:

100 support frame 110 bearing 120 mounting groove

130 bearing press ring

200 transition flange 210 first keyway 220 spigot

230 third key slot

300 motor 310 second keyway 400 first flat key

500 shaft coupling

600 first fastener of fixed bolster 610 dabber fixed block 611

612 threaded hole 620 second fastener

700 rack 710 position adjustment assembly 711 chute

712 fixing structure 713 and limit structure 720 lifting assembly

721 lifting adjusting plate 722 positioning hole 800 second flat key

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a test bench centre gripping frock for external rotor electric machine, including leading-out terminal transmission shaft fixed subassembly and output supporting component, output supporting component includes support frame 100 and locates on support frame 100 and the transition flange 200 of the flat key-type connection of one end and the output of motor 300.

In specific implementation, the clamping tool comprises a leading-out end transmission shaft fixing component and an output end supporting component which are respectively arranged at two ends of the motor 300, as shown in fig. 1-4, the output end supporting component comprises a supporting frame 100 and a transition flange 200 arranged on the supporting frame 100, and one end of the transition flange 200 is in flat key connection with the output end of the motor 300;

due to the arrangement of the transition flange 200, the connection between the motor 300 and other mechanisms such as the coupler 500 is facilitated, and the problem that the connection cannot be directly and fixedly connected due to the fact that the shapes and the sizes of the connection end of the motor 300 are not matched with those of the connection end of other mechanisms such as the coupler 500 is solved; meanwhile, the extension of the side shaft is realized, and the application places of the motor 300 in the test needing to be externally connected with a tachogenerator and an encoder are widened;

moreover, the flat key connection mode has the advantages of simple structure, convenience in disassembly and assembly and good centering property, and is suitable for occasions with high speed and bearing variable loads and impacts.

Next, the above-described component structure in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 14:

preferably, the flat key connections include a first flat key 400;

a first key groove 210 formed on an outer wall surface of an input end of the transition flange 200;

a second key groove 310 on an inner wall surface of an output end of the motor 300;

the first flat key 400 is received in the first keyway 210 and the second keyway 310.

In particular implementation, as an exemplary embodiment, as shown in fig. 4-5, the output end support assembly further includes a first flat key 400;

the output end of the motor 300 is sleeved on the input end of the transition flange 200, the outer wall surface of the input end of the transition flange 200 is provided with a first key groove 210, the inner wall surface of the output end of the motor 300 can be provided with a second key groove 310 according to the actual condition of the motor 300, or the first key groove 210 is adaptively arranged according to the self-provided slot position of the motor, so that the self-structure of the motor 300 is fully utilized to be fixedly connected as a bridge, such as a hub motor and the like;

preferably, in order to enhance the stability of the flat key connection between the first flat key and the second flat key, the first flat key 400 is detachably fixed in the second key slot 310 by a fixing member, which may be a fixing device used for screw/bolt fixing or other fixing methods, and preferably uses an inner hexagonal flat end set screw and its adaptive structure.

Preferably, the transition flange 200 is provided with a spigot 220 for positioning.

In specific implementation, as shown in fig. 3-5, a spigot 220 is provided on the transition flange 200, so that the transition flange 200 is stably connected with the output end of the motor 300;

of course, the seam allowance 220 can be adapted to be smoothly connected with one end of the coupling 500.

Preferably, the output end of the transition flange 200 is flat-keyed with a coupling 500.

In particular implementation, as an exemplary embodiment, as shown in fig. 3-5, the output end support assembly further includes a second flat key 800;

the coupling 500 is sleeved on the output end of the transition flange 200, a third key groove 230 is formed on the outer wall surface of the output end of the transition flange 200, a fourth key groove is formed on the inner wall surface of the coupling 500, and the second flat key 800 is accommodated in the third key groove 230 and the fourth key groove and is driven to rotate by the motor 300.

Preferably, a bearing 110 is disposed on the supporting frame 100, and the output end of the transition flange 200 passes through the bearing 110.

In specific implementation, as shown in fig. 6, a bearing 110 is arranged on the support frame 100, an output end of the transition flange 200 penetrates through the bearing 110, and the bearing 110 preferably adopts a deep groove ball bearing, which has the advantages of small friction resistance, high rotating speed, and the like.

Preferably, the top of the support frame 100 is provided with a mounting groove 120, and the mounting groove 120 is used for mounting the bearing 110.

In specific implementation, as an exemplary embodiment, as shown in fig. 7, an installation groove 120 is disposed at the top end of the supporting frame 100, and the bearing 110 is installed in the installation groove 120, so that the bearing 110 is limited in the installation groove 120 to play a role in positioning.

Preferably, the support frame 100 is further provided with a bearing press ring 130 for fixing the bearing 110 in cooperation with the mounting groove 120.

In specific implementation, as an exemplary embodiment, as shown in fig. 6 to 7, the support frame 100 is further provided with a bearing pressing ring 130, and the mounting groove 120 and the bearing pressing ring 130 are cooperatively arranged, so that on one hand, the bearing 110 is favorably fixed, and meanwhile, the bearing 110 is also conveniently detached; the bearing press ring 130 may be fixed on the support frame 100 by a bolt/thread or the like.

Preferably, the fixing component of the transmission shaft at the outlet end comprises a fixing bracket 600, a mandrel fixing block 610 for installing the transmission shaft at the outlet end is arranged on the fixing bracket 600, and a first fastening piece 611 for fixing the position of the transmission shaft at the outlet end is arranged on the mandrel fixing block 610;

the fixing bracket 600 is further provided with a second fastener 620 for fixing the mandrel fixing block 610.

In the specific implementation process, in order to further realize the performance test of the external rotor motor, the utility model discloses a simple and high-efficient centering clamping tool, so that the external rotor motor can be adjusted in space as required, the torque sensor and the external rotor motor are ensured to be accurately and stably connected in centering, and a supporting function is played at the same time;

as an exemplary embodiment, as shown in fig. 1-2, the leading-out end transmission shaft fixing assembly includes a fixing bracket 600, the fixing bracket 600 may be designed as an L-shaped bracket to enhance the stability thereof, a spindle fixing block 610 is disposed on the fixing bracket 600, the leading-out end transmission shaft of the motor 300 is mounted in the spindle fixing block 610, and the transmission shaft is fixed by a first fastening member 611 disposed on the spindle fixing block 610 to prevent the transmission shaft from slipping at a high rotation speed;

meanwhile, a second fastening piece 620 is arranged on the fixing bracket 600, and the second fastening piece 620 is used for fastening the mandrel fixing block 610;

it should be noted that, as shown in fig. 1-2 and fig. 8-9, the mandrel fixing block 610 may be a movable element, and can be removed from the fixing bracket 600 for replacement, maintenance or fastening the transmission shaft before being placed on the fixing bracket 600; moreover, as shown in fig. 8, the first fastening member 611 and the second fastening member 620 may be respectively provided with a threaded hole 612 on the mandrel fixing block 610 and the fixing bracket 600, and are fastened by an inner hexagonal flat end set screw, and the first fastening member 611 and the second fastening member 620 may also respectively adopt the same or different structures, and those skilled in the art may also adopt other alternative ways to implement the function based on the same structures, and redundant description is not repeated here.

Preferably, the clamping tool further comprises a bench 700;

the stand 700 is provided with a position adjusting assembly 710 for adjusting the horizontal position of the fixing bracket 600 and/or the supporting stand 100.

In specific implementation, the processing tool further comprises a rack 700, and a position adjusting component 710 for adjusting the horizontal position of the fixing support 600 and/or the support frame 100 is arranged on the rack 700;

the position adjusting assembly 710 includes a sliding groove 711 provided on the stand 700, and a fixing structure 712;

as an exemplary embodiment, as shown in fig. 10 to 14, the rack comprises 7 sliding grooves 711 arranged in parallel, the sliding grooves 711 are preferably fixed by a T-shaped structure, and the fixing structure 712 comprises a limiting structure 713 and a screw, the limiting structure 713 may be a T-shaped structure (as shown in fig. 13) adapted to the T-shaped sliding groove, a T-like structure, or other structures that can make the T-shaped structure slide in the sliding groove 711 and cannot slide upwards from the sliding groove 711, such as a nut, and the fixing bracket 600 and the supporting frame 100 are fixed on the rack 700 by the cooperation of the limiting structure 713 and the screw, and the positions of the fixing bracket 600 and the supporting frame 100 in the traveling direction of the sliding groove 711 can be adjusted, and the positions in the direction perpendicular to the sliding groove 711 can be adjusted by selecting different sliding grooves 711.

Preferably, the platform 700 is provided with a lifting assembly 720 for adjusting the height of the fixing bracket 600 and/or the supporting frame 100.

In specific implementation, as shown in fig. 10 to 14, the rack 700 is further provided with a lifting assembly 720 for adjusting the height of the fixing bracket 600 and/or the supporting frame 100;

the lifting assembly 720 includes lifting adjusting plates 721 symmetrically disposed at two sides of the fixing bracket 600 and/or the supporting frame 100, the lifting adjusting plates 721 are provided with a plurality of positioning holes 722 (as shown in fig. 14), the fixing bracket 600 and the supporting frame 100 are fixed on the positioning holes 722 of the lifting adjusting plates 721 through screws, and according to actual conditions, the fixed positioning holes 722 are replaced to adjust the lifting of the fixing bracket 600 and the supporting frame 100.

Meanwhile, the position adjusting assembly 710 and the lifting assembly 720 are used in a matched manner, so that the outer rotor motor can be adjusted in space as required, the torque sensor and the outer rotor motor are ensured to be accurately and stably connected in a centering manner, and a supporting effect is achieved.

The utility model provides a test bench centre gripping frock for rotor motor, when the in-service use, as shown in fig. 1-9, install motor 300 on the fixed bolster 600 of L type, the dabber fixed block 610 of set up screw hole 612 is used for the leading-out terminal transmission shaft of fixed motor 300, uses hexagon socket head cap end holding screw to prevent that the transmission shaft from skidding and rotating under high rotational speed.

Inserting the transition flange 200 into the disc brake end of the motor 300 in a spigot connection manner to realize stable connection and positioning; a first key groove 210 is formed in the output end of the transition flange 200, and a first flat key 400 fixed to the output end of the motor 300 through a screw thread is matched with a second key groove 310 formed in the inner wall surface of the output end of the motor 300 to drive the rotation;

the input shaft of the transition flange 200 is connected with the coupling 500, the support frame 100 provided with the bearing 110 is used for supporting, and the bearing press ring 130 is arranged on the support frame 100 for fixing; and the position control of X, Y and Z direction position is realized by the position adjusting component 710 and the lifting component 720 arranged on the rack 700, and the coincidence of the central axis of the transmission shaft and the rack 700 is ensured, so that the transmission efficiency is higher and the test effect is more accurate.

Although terms such as a fixing bracket, a spindle fixing block, a first fastener, a threaded hole, a second fastener, a supporting frame, a bearing, a mounting groove, a bearing pressing ring, a motor, a first key groove, a transition flange, a spigot, a second key groove, a fourth key groove, a coupler, a rack, a position adjusting component, a sliding groove, a fixing structure, a limiting structure, a lifting component, a lifting adjusting plate, a positioning hole, a first flat key and a second flat key are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a test bench centre gripping frock for external rotor electric machine, includes leading-out terminal transmission shaft fixed subassembly and output supporting component, its characterized in that:

the output end supporting assembly comprises a supporting frame (100) and a transition flange (200) which is arranged on the supporting frame (100) and one end of which is in flat key connection with the output end of the motor (300).

2. The test bench clamping tool for the outer rotor motor as claimed in claim 1, wherein: the flat key connection comprises a first flat key (400);

the first key groove (210) is arranged on the outer wall surface of the input end of the transition flange (200);

a second key groove (310) located on an inner wall surface of an output end of the motor (300);

the first flat key (400) is received in the first keyway (210) and the second keyway (310).

3. The test bench clamping tool for the outer rotor motor as claimed in claim 1, wherein: the transition flange (200) is provided with a spigot (220) for positioning.

4. The test bench clamping tool for the outer rotor motor as claimed in claim 1, wherein: and the output end of the transition flange (200) is in flat key connection with a coupler (500).

5. The test bench clamping tool for the outer rotor motor as claimed in claim 1, wherein: the supporting frame (100) is provided with a bearing (110), and the output end of the transition flange (200) penetrates through the bearing (110).

6. The test bench clamping tool for the outer rotor motor as claimed in claim 5, wherein: the top of support frame (100) is equipped with mounting groove (120), mounting groove (120) are used for installing bearing (110).

7. The test bench clamping tool for the outer rotor motor as claimed in claim 6, wherein: the support frame (100) is further provided with a bearing pressing ring (130) used for being matched with the installation groove (120) to fix the bearing (110).

8. The test bench clamping tool for the outer rotor motor as claimed in claim 1, wherein: the lead-out end transmission shaft fixing assembly comprises a fixing support (600), a mandrel fixing block (610) used for installing the lead-out end transmission shaft is arranged on the fixing support (600), and a first fastener (611) used for fixing the position of the lead-out end transmission shaft is arranged on the mandrel fixing block (610);

and the fixed support (600) is also provided with a second fastener (620) for fixing the mandrel fixed block (610).

9. The test bench clamping tool for the outer rotor motor as claimed in claim 8, wherein: the clamping tool further comprises a rack (700);

and a position adjusting component (710) for adjusting the horizontal position of the fixing bracket (600) and/or the supporting frame (100) is arranged on the stand (700).

10. The test bench clamping tool for the outer rotor motor as claimed in claim 9, wherein: the lifting assembly (720) used for adjusting the height of the fixing support (600) and/or the supporting frame (100) is arranged on the rack (700).

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