CN219676218U - Nondestructive power measuring equipment for motor - Google Patents

Abstract

The utility model relates to the technical field of motor testing equipment, and discloses nondestructive testing equipment for a motor, which comprises the following components: a fixed frame; a motor support mechanism; a dynamometer; the centering supporting mechanism comprises an elastic chuck, a clamping shaft sleeve, a first position maintaining elastic piece, a sleeve bearing mounting seat and an unlocking component, wherein one end of the elastic chuck is sleeved on the periphery of a motor shaft of a motor to be tested and can elastically expand or elastically contract along the radial direction, the other end of the elastic chuck is connected with a detection end of a dynamometer, the clamping shaft sleeve is sleeved on the periphery of the elastic chuck, the first position maintaining elastic piece has a trend of pushing the clamping shaft sleeve to move along the X direction so that the elastic chuck contracts and locks the motor shaft of the motor to be tested, and the unlocking component is used for driving the clamping shaft sleeve to move along the opposite direction of the X direction so that the elastic chuck elastically expands. The nondestructive testing equipment for the motor can automatically assemble and disassemble the motor to be tested, the detection efficiency is improved, the center of the motor to be tested is positioned more accurately, and the connection reliability between the motor to be tested and the dynamometer is higher.

Description

Nondestructive power measuring equipment for motor

Technical Field

The utility model relates to the technical field of motor testing equipment, in particular to nondestructive testing equipment for a motor.

Background

A motor dynamometer is a device that measures mechanical torque. When torque is input to the rotating shaft, the movable stator deflects due to the counter torque, the torque is conveniently and accurately measured by using the balance and the lever arm arranged on the stator, and the mechanical power can be calculated if the rotating speed is measured at the same time. The motor dynamometer is suitable for testing motor performance in a laboratory, is also suitable for a production line, and is used for detecting delivery of motor products.

In the factory detection of motor products, because the detection quantity is great, the efficiency of manual assembly and disassembly of unloading on the motor to be detected is low, and detection efficiency also reduces along with it, and the central location of motor to be detected is inaccurate, is difficult to guarantee the connection reliability between motor to be detected and the dynamometer.

Therefore, there is a need for a nondestructive power measuring device for motors to solve the above-mentioned technical problems.

Disclosure of Invention

Based on the above, the utility model aims to provide the nondestructive power measuring equipment for the motor, which can automatically assemble and disassemble the motor to be measured, improve the detection efficiency, and has more accurate center positioning of the motor to be measured and higher connection reliability between the motor to be measured and the power measuring machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

providing a motor nondestructive power measurement device comprising:

a fixed frame;

the motor supporting mechanism is arranged on the fixed frame and used for supporting a motor to be tested;

the dynamometer is fixed on the fixed frame;

the centering supporting mechanism comprises an elastic chuck, a clamping shaft sleeve, a first position maintaining elastic piece, a sleeve bearing mounting seat and an unlocking component, wherein the elastic chuck extends along the X direction, one end of the elastic chuck is sleeved on the periphery of a motor shaft of a motor to be detected and can elastically expand or elastically contract along the radial direction, the other end of the elastic chuck is connected with a detection end of a dynamometer, the clamping shaft sleeve is sleeved on the periphery of the elastic chuck, the clamping shaft sleeve is slidably arranged in the sleeve bearing mounting seat along the X direction, the first position maintaining elastic piece is arranged along the X direction, two ends of the first position maintaining elastic piece are respectively pressed against the clamping shaft sleeve and the sleeve bearing mounting seat, the first position maintaining elastic piece has a trend of pushing the clamping shaft sleeve to move along the X direction so that the elastic chuck can elastically expand or contract and lock the motor shaft of the motor to be detected, and the unlocking component is used for driving the clamping shaft sleeve to move along the opposite direction of the X direction so that the elastic chuck elastically expands.

As an optional technical solution of the nondestructive testing device of the motor, the unlocking assembly includes:

the follow-up seat is arranged in the bearing mounting seat in a sliding manner along the X direction and is abutted with the clamping shaft sleeve, and a first inclined surface is arranged on the follow-up seat;

the jacking wedge block is arranged in the bearing mounting seat in a sliding manner along the Z direction, a second inclined plane matched with the first inclined plane is arranged on the jacking wedge block, and the first inclined plane is abutted with the second inclined plane;

the output end of the jacking driving piece is in transmission connection with the jacking wedge block so as to drive the jacking wedge block to ascend along the Z direction, so that the follow-up seat moves along the opposite direction of the X direction.

As an optional technical scheme of the nondestructive testing device for the motor, the centering support mechanism further comprises a second position maintaining elastic piece, wherein the second position maintaining elastic piece is arranged along the X direction, two ends of the second position maintaining elastic piece are respectively pressed against the follow-up seat and the sleeve bearing mounting seat, and the second position maintaining elastic piece has a tendency of pushing the follow-up seat to move along the X direction.

As an optional technical scheme of the nondestructive testing equipment of the motor, the centering support mechanism further comprises a limiting rod and a connector, wherein the limiting rod penetrates through the central through hole of the elastic chuck, the connector is sleeved at the other end of the elastic chuck, the limiting rod is fixedly connected with the elastic chuck and the connector, and the connector is connected with the detection end of the dynamometer through a coupler.

As an optional technical scheme of the nondestructive testing equipment of the motor, the motor supporting mechanism comprises a supporting die, and a first supporting groove for supporting and limiting the motor to be tested is arranged on the supporting die; or the motor support mechanism includes a gas claw assembly, the gas claw assembly including:

the output end of the clamping jaw cylinder can expand or contract along the Y direction;

the clamping fingers are respectively fixed at two output ends of the clamping jaw cylinder, a yielding groove is formed in one side of each clamping finger, which is adjacent to the clamping fingers, and when the clamping fingers shrink along the Y direction, the yielding grooves form a second bearing groove for bearing and limiting the motor to be tested;

the motor locating plate and the motor limiting plate are both fixed at the end parts of the two clamping fingers and used for assisting in locating and limiting the motor to be detected.

As an optional technical scheme of the nondestructive testing device for a motor, the motor supporting mechanism further comprises a first lifting fine tuning assembly, and the first lifting fine tuning assembly comprises:

the mounting base is provided with a first fine tuning cavity with an opening at the upper end, and a fine tuning block which is rotationally arranged around a horizontal axis is arranged in the first fine tuning cavity;

the fine-tuning lifting seat is connected with the mounting base in a sliding manner along the Z direction through a first crossed roller guide rail, and the supporting die or the air claw assembly is mounted on the fine-tuning lifting seat;

the first differential head is in threaded connection in the installation base, the one end of first differential head penetrates first fine setting cavity and butt in the fine setting piece, first differential head can promote the fine setting piece rotates upwards, makes the fine setting piece promotes the fine setting lifting seat rises along the Z direction.

As an optional technical solution of the nondestructive testing device for a motor, the motor supporting mechanism further includes a second lifting fine tuning assembly, and the second lifting fine tuning assembly includes:

a mounting base plate;

the fine adjustment mounting plate is fixed on the mounting bottom plate, a second fine adjustment cavity with an opening at the upper end is arranged in the fine adjustment mounting plate, a bevel cutting bottom block and a bevel cutting top block are arranged in the second fine adjustment cavity, a first fine adjustment inclined plane is arranged at the upper end of the bevel cutting bottom block, a second fine adjustment inclined plane matched with the first fine adjustment inclined plane is arranged at the lower end of the bevel cutting top block, and the first fine adjustment inclined plane is in fine adjustment abutting joint with the second fine adjustment inclined plane;

the fine adjustment lifting plate is connected with the fine adjustment mounting plate in a sliding manner along the Z direction through a second crossed roller guide rail;

the mounting top plate is fixed at the top end of the fine adjustment lifting plate, and the supporting die or the air claw assembly is mounted on the mounting top plate;

the second differential head is in threaded connection with the fine adjustment mounting plate, one end of the second differential head penetrates into the second fine adjustment cavity and is abutted to the inclined cutting bottom block, and the second differential head can push the inclined cutting bottom block to horizontally move so that the inclined cutting top block pushes the mounting top plate upwards to ascend along the Z direction.

As an optional technical solution of the nondestructive testing device for a motor, the motor supporting mechanism further includes a horizontal fine adjustment assembly, and the horizontal fine adjustment assembly includes:

a bottom plate is horizontally fine-tuned;

the horizontal fine adjustment top plate is used for bearing the supporting die or the air jaw assembly, and is in sliding connection with the horizontal fine adjustment bottom plate along the Y direction through a third crossed roller guide rail, and the side edge of the horizontal fine adjustment top plate is connected with a pushing plate;

the body of the third differential head is fixed on the horizontal fine adjustment bottom plate through a mounting side plate, the output end of the third differential head is connected with the pushing plate, and the third differential head can stretch along the Y direction so as to drive the horizontal fine adjustment top plate to move along the Y direction;

the horizontal fine adjustment guide plate is fixed on the side edge of the horizontal fine adjustment bottom plate, a horizontal fine adjustment guide hole extending along the Y direction is formed in the horizontal fine adjustment bottom plate, and the horizontal fine adjustment guide bolt is connected with the horizontal fine adjustment top plate and penetrates through the horizontal fine adjustment guide hole.

As an optional technical scheme of the nondestructive testing equipment of the motor, the nondestructive testing equipment further comprises a sliding seat, the sliding seat is arranged on the fixed frame in a sliding manner along the X direction through a guide rail sliding block assembly, the motor supporting mechanism is fixed on the sliding seat, the nondestructive testing equipment of the motor further comprises a pushing cylinder, and the output end of the pushing cylinder is in transmission connection with the sliding seat and used for driving the sliding seat to move along the X direction.

As an optional technical scheme of the nondestructive testing device for the motor, the nondestructive testing device further comprises a probe connecting assembly, wherein the probe connecting assembly comprises:

the probe cylinder is arranged on the sliding seat through a cylinder seat; and

the probe seat is fixed at the output end of the probe cylinder and is used for fixing a power supply probe, and the probe cylinder can drive the probe seat to stretch out and draw back along the X direction so as to enable the power supply probe to be connected with or separated from the motor to be tested.

The beneficial effects of the utility model are as follows:

the motor nondestructive testing equipment provided by the utility model comprises a centering supporting mechanism, wherein an elastic chuck with one end capable of elastically expanding or elastically contracting is arranged in the centering supporting mechanism, and the elastic chuck is in an expanding state in a natural state. During installation, the unlocking component drives the clamping shaft sleeve to move in the opposite direction of the X direction, the elastic chuck gradually returns to the expansion state, the motor shaft of the motor to be detected stretches into the elastic chuck, the unlocking component removes the driving force for the clamping shaft sleeve, the elastic piece is kept at the first position to push the clamping shaft sleeve to move in the X direction, the elastic chuck is enabled to elastically shrink to clamp the motor shaft of the motor to be detected, then power detection operation is started, and after the operation is completed, the unlocking component drives the clamping shaft sleeve to move in the opposite direction of the X direction again, so that the elastic chuck returns to the expansion state to unlock the motor shaft. The motor nondestructive testing equipment is matched with the first position holding elastic piece through the elastic chuck and the clamping shaft sleeve, automatically locks and centers the motor shaft, and also automatically releases the locking of the elastic chuck to the motor shaft through the unlocking component, so that the motor to be tested is automatically assembled and disassembled, the detection efficiency is improved, the center positioning of the motor to be tested is more accurate, and the connection reliability between the motor to be tested and the dynamometer is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a nondestructive testing device for a motor according to a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a pneumatic claw assembly and a first lifting fine adjustment assembly according to a first embodiment of the present utility model;

FIG. 3 is a schematic diagram showing an exploded structure of a gas claw assembly and a first lift micro-adjustment assembly according to a first embodiment of the present utility model;

FIG. 4 is a partial cross-sectional view of a first lift trim assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a horizontal fine tuning assembly according to a first embodiment of the present utility model;

FIG. 6 is a schematic structural view of a centering support mechanism according to a first embodiment of the present utility model;

FIG. 7 is an exploded view of a centering support mechanism according to a first embodiment of the present utility model;

FIG. 8 is a partial cross-sectional view of a centering support mechanism provided in accordance with a first embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a second lifting fine tuning assembly according to a second embodiment of the present utility model;

fig. 10 is an exploded view of a second lifting fine tuning assembly according to a second embodiment of the present utility model.

In the figure:

1. a motor support mechanism; 11. a pneumatic claw assembly; 111. a clamping jaw cylinder; 112. clamping fingers; 1121. a relief groove; 113. a motor positioning plate; 114. a motor limiting plate; 12. a first lifting fine tuning assembly; 121. a mounting base; 1211. a first trimming cavity; 122. fine tuning the lifting seat; 123. a first differentiating head; 124. fine tuning blocks; 125. a first cross roller rail; 13. a second lifting fine tuning assembly; 131. a mounting base plate; 132. fine tuning the mounting plate; 1321. a second trimming cavity; 1322. a side cover plate; 133. fine tuning the lifting plate; 134. chamfering the bottom block; 1341. a first fine tuning ramp; 135. chamfering the top block; 1351. a second fine tuning ramp; 136. a second cross roller rail; 137. installing a top plate; 138. a second differentiating head; 139. lifting and lowering the fine tuning guide plate; 1391. lifting fine tuning guide holes; 14. a horizontal fine tuning assembly; 141. a bottom plate is horizontally fine-tuned; 142. a horizontal fine tuning top plate; 143. a third differentiating head; 144. a horizontal fine tuning guide plate; 1441. a horizontal fine tuning guide hole; 145. a guide bolt is finely adjusted horizontally; 146. installing a side plate; 147. a push plate; 148. a third cross roller rail;

2. a centering support mechanism; 201. an elastic chuck; 202. clamping the shaft sleeve; 203. a first position maintaining elastic member; 204. a sleeve bearing mounting seat; 205. a follower seat; 2051. a first inclined surface; 206. jacking the wedge block; 2061. a second inclined surface; 207. jacking the driving piece; 208. a limit rod; 209. a connector; 210. traversing the guide plate; 211. a sliding support seat; 212. a cylinder mounting plate; 213. a cylinder mounting seat; 214. a second position holding elastic member;

3. a probe connection assembly; 31. a probe cylinder; 32. a cylinder block; 33. a probe seat;

4. a slide;

5. a guide rail slide block assembly;

6. pushing cylinder;

7. a code scanner;

10. a fixed frame; 20. a dynamometer; 30. a coupling; 100. and a motor to be tested.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Embodiment one:

the embodiment provides a nondestructive power measuring device for a motor, which is used for automatically measuring mechanical power of a motor product. As shown in fig. 1 to 8, the motor nondestructive power measuring device comprises a fixed frame 10, a motor supporting mechanism 1, a power measuring machine 20 and a centering supporting mechanism 2. The motor supporting mechanism 1 is mounted on the fixed frame 10 and is used for supporting the motor 100 to be tested; the dynamometer 20 is fixed on the fixed frame 10; the centering support mechanism 2 comprises an elastic chuck 201, a clamping shaft sleeve 202, a first position maintaining elastic piece 203, a sleeve bearing mounting seat 204 and an unlocking component, wherein the elastic chuck 201 extends along the X direction, one end of the elastic chuck 201 is sleeved on the periphery of a motor shaft of the motor 100 to be tested and can elastically expand or elastically contract along the radial direction, the other end of the elastic chuck 201 is connected with a detection end of the dynamometer 20, the clamping shaft sleeve 202 is sleeved on the periphery of the elastic chuck 201, the clamping shaft sleeve 202 is slidably arranged in the sleeve bearing mounting seat 204 along the X direction, the first position maintaining elastic piece 203 is arranged along the X direction, two ends of the first position maintaining elastic piece 203 are respectively pressed against the clamping shaft sleeve 202 and the sleeve bearing mounting seat 204, the first position maintaining elastic piece 203 has a trend of pushing the clamping shaft sleeve 202 to move along the X direction, so that the elastic chuck 201 contracts and locks the motor shaft of the motor 100 to be tested, and the unlocking component is used for driving the clamping shaft sleeve 202 to move along the reverse direction of the X direction so that the elastic chuck 201 elastically expands.

Specifically, the motor nondestructive testing device provided in this embodiment includes a centering support mechanism 2, as shown in fig. 6 to 8, an elastic chuck 201 whose one end can be elastically expanded or elastically contracted is provided in the centering support mechanism 2, and the elastic chuck 201 is in an expanded state in a natural state. During installation, the unlocking component drives the clamping shaft sleeve 202 to move along the opposite direction of the X direction, the elastic chuck 201 gradually returns to the expansion state, the motor shaft of the motor 100 to be tested stretches into the elastic chuck 201, the unlocking component removes the driving force on the clamping shaft sleeve 202, the first position keeping elastic piece 203 pushes the clamping shaft sleeve 202 to move along the X direction, the elastic chuck 201 elastically contracts to clamp the motor shaft of the motor 100 to be tested, then power detection operation is started, and after the operation is completed, the unlocking component drives the clamping shaft sleeve 202 to move along the opposite direction of the X direction again, so that the elastic chuck 201 returns to the expansion state to unlock the motor shaft. The motor nondestructive testing equipment automatically locks and centers the motor shaft through the matching of the elastic piece 203 and the elastic chuck 201 and the clamping shaft sleeve 202, and also automatically unlocks the motor shaft through the unlocking component, so that the motor 100 to be tested is automatically assembled and disassembled, the detection efficiency is improved, the center positioning of the motor 100 to be tested is more accurate, and the connection reliability between the motor 100 to be tested and the dynamometer 20 is higher.

Alternatively, as shown in fig. 2 and 3, the motor support mechanism 1 includes a gas claw assembly 11, and the gas claw assembly 11 includes a claw cylinder 111, two holding fingers 112, a motor positioning plate 113, and a motor limiting plate 114. Specifically, the output end of the jaw cylinder 111 can expand or contract in the Y direction; the two clamping fingers 112 are respectively fixed at two output ends of the clamping jaw cylinder 111, a yielding groove 1121 is formed in one side of each clamping finger 112 adjacent to the clamping fingers, and when the two clamping fingers 112 shrink along the Y direction, the yielding grooves 1121 form a second supporting groove for supporting and limiting the motor 100 to be tested; the motor locating plate 113 and the motor limiting plate 114 are respectively provided with at least two, wherein one end of the clamping finger 112 is respectively provided with the motor locating plate 113 for assisting in locating one end of the motor 100 to be detected, which is away from the motor shaft, and the two ends of the clamping finger 112 are respectively provided with the motor limiting plate 114 for limiting the motor 100 to be detected from the end part.

Alternatively, as shown in fig. 2-4, the motor support mechanism 1 further includes a first lift and lower trimming assembly 12, the first lift and lower trimming assembly 12 including a mounting base 121, a trimming lift and lower base 122, and a first differential head 123. Wherein, a first fine tuning cavity 1211 with an open upper end is arranged in the mounting base 121, and a fine tuning block 124 which is rotatably arranged around a horizontal axis is arranged in the first fine tuning cavity 1211; the fine adjustment lifting seat 122 is slidably connected with the mounting base 121 along the Z direction through a first crossed roller guide rail 125, and the air jaw assembly 11 is mounted on the upper surface of the fine adjustment lifting seat 122; the first differential head 123 is in threaded connection with the mounting base 121, one end of the first differential head 123 penetrates into the first fine adjustment cavity 1211 and abuts against the fine adjustment block 124, and the first differential head 123 can push the fine adjustment block 124 to rotate upwards, so that the fine adjustment block 124 pushes the fine adjustment lifting base 122 to ascend along the Z direction. The operator rotates the first differential head 123 to adjust the height of the fine adjustment lifting seat 122, thereby fine adjusting the heights of the air jaw assembly 11 and the motor 100 to be tested, so that the motor shaft of the motor 100 to be tested is matched with the heights of the elastic chuck 201 and the dynamometer 20.

Further, as shown in fig. 5, the motor support mechanism 1 further includes a horizontal fine adjustment assembly 14, and the horizontal fine adjustment assembly 14 includes a horizontal fine adjustment bottom plate 141, a horizontal fine adjustment top plate 142, a third differential head 143, a horizontal fine adjustment guide plate 144, and a horizontal fine adjustment guide bolt 145; the horizontal fine adjustment top plate 142 is used for supporting the gas claw assembly 11, the mounting base 121 is connected to the upper surface of the horizontal fine adjustment top plate 142, the horizontal fine adjustment top plate 142 is slidably connected with the horizontal fine adjustment bottom plate 141 along the Y direction through a third crossed roller guide rail 148, and the side edge of the horizontal fine adjustment top plate 142 is connected with a pushing plate 147; the body of the third differential head 143 is fixed on the horizontal fine adjustment bottom plate 141 through a mounting side plate 146, the output end of the third differential head 143 is connected with a pushing plate 147, and the third differential head 143 can stretch and retract along the Y direction so as to drive the horizontal fine adjustment top plate 142 to move along the Y direction; the horizontal fine adjustment guide plate 144 is fixed on the side edge of the horizontal fine adjustment bottom plate 141, the horizontal fine adjustment bottom plate 141 is provided with a horizontal fine adjustment guide hole 1441 extending along the Y direction, the horizontal fine adjustment guide bolt 145 is connected with the horizontal fine adjustment top plate 142 and penetrates through the horizontal fine adjustment guide hole 1441, and when the horizontal fine adjustment top plate 142 slides along the Y direction, the horizontal fine adjustment guide bolt 145 slides along the horizontal fine adjustment guide hole 1441, thereby playing a guiding role. Specifically, the operator rotates the third differential head 143 to adjust the position of the horizontal fine adjustment top plate 142 in the Y direction, so as to fine adjust the positions of the first lifting fine adjustment assembly 12, the air jaw assembly 11 and the motor 100 to be tested in the Y direction, so that the motor shaft of the motor 100 to be tested is matched with the positions of the collet 201 and the dynamometer 20 in the Y direction.

Optionally, the motor nondestructive testing device further comprises a sliding seat 4, the sliding seat 4 is slidably arranged on the fixed frame 10 along the X direction through the guide rail sliding block assembly 5, the motor supporting mechanism 1 is fixed on the sliding seat 4, the motor nondestructive testing device further comprises a pushing cylinder 6, an output end of the pushing cylinder 6 is in transmission connection with the sliding seat 4 and used for driving the sliding seat 4 to move along the X direction so as to drive a motor shaft of the motor 100 to be tested to extend into the elastic chuck 201 or separate from the elastic chuck 201.

Optionally, as shown in fig. 1, the motor nondestructive testing device further includes a probe connection assembly 3, the probe connection assembly 3 includes a probe cylinder 31 and a probe seat 33, the probe cylinder 31 is mounted on the slide 4 through the cylinder seat 32, the probe seat 33 is fixed at an output end of the probe cylinder 31, the probe seat 33 is used for fixing a power probe, and the probe cylinder 31 can drive the probe seat 33 to stretch and retract along the X direction so as to connect or disconnect the power probe with the motor 100 to be tested.

Optionally, as shown in fig. 1, the motor nondestructive testing device further includes a code scanner 7, where the code scanner 7 is used to scan a bar code number on a label on the motor 100 to be tested, so as to record the detected motor 100 to be tested.

Alternatively, as shown in fig. 6-8, the unlocking assembly includes a follower seat 205, a jacking wedge 206 and a jacking driving member 207, where the follower seat 205 is slidably disposed in the bearing mounting seat along the X direction, the follower seat 205 abuts against the clamping shaft sleeve 202, and a first inclined surface 2051 is disposed on the follower seat 205; the jacking wedge 206 is slidably arranged in the bearing mounting seat along the Z direction, a second inclined surface 2061 matched with the first inclined surface 2051 is arranged on the jacking wedge 206, and the first inclined surface 2051 is abutted against the second inclined surface 2061; the output end of the jacking driving piece 207 is in transmission connection with the jacking wedge 206. Specifically, during unlocking, the jacking driving piece 207 drives the jacking wedge 206 to ascend along the Z direction, so that the follower seat 205 moves along the opposite direction of the X direction, the first position maintaining elastic piece 203 is compressed, meanwhile, the elastic chuck 201 is elastically expanded, and the motor shaft of the motor 100 to be tested is unlocked; when the motor shaft of the motor 100 to be measured is to be locked again, the lift driving member 207 is retracted downward, the driving force to the clamping sleeve 202 is removed, and the first position maintaining elastic member 203 is extended to push the clamping sleeve 202 to move in the X direction, so that the elastic chuck 201 is elastically contracted to re-clamp the motor shaft of the motor 100 to be measured.

Alternatively, as shown in fig. 7, the centering support mechanism 2 further includes two second position maintaining elastic members 214, where the second position maintaining elastic members 214 are disposed along the X direction and two ends of the second position maintaining elastic members 214 respectively press against the follower seat 205 and the sleeve bearing mounting seat 204, and the two second position maintaining elastic members 214 are disposed side by side on the left and right sides of the first position maintaining elastic member 203 respectively, and the second position maintaining elastic members 214 have a tendency to push the follower seat 205 to move along the X direction. The second position maintaining elastic member 214 may assist in resetting the follower seat 205, increase the resetting rate, and reduce the load of the first position maintaining elastic member 203.

Preferably, the first position maintaining elastic member 203 employs a rectangular compression spring. Of course, in other embodiments of the present utility model, other elastic members such as rubber columns may be used for the first position maintaining elastic member 203.

Preferably, the second position maintaining resilient member 214 employs a rectangular compression spring. Of course, in other embodiments of the present utility model, other elastic members such as rubber columns may be used for the second position maintaining elastic member 214.

Preferably, the jacking driving member 207 adopts a linear cylinder, the centering supporting mechanism 2 further comprises a sliding supporting seat 211, a cylinder mounting plate 212 and a cylinder mounting seat 213, the sliding supporting seat 211 is mounted on one group of sliding blocks of the guide rail sliding block assembly 5, the cylinder mounting plate 212 and the cylinder mounting seat 213 are sequentially mounted at the lower end of the sliding supporting seat 211 and pass through the yielding holes of the fixed frame 10, and the jacking driving member 207 is mounted on the cylinder mounting seat 213. Of course, in other embodiments of the present utility model, other linear driving members such as electric push rods, cylinders, etc. may be used for the lift driving member 207.

Alternatively, as shown in fig. 7 and 8, the centering support mechanism 2 further includes a stop lever 208 and a connector 209, where the stop lever 208 is inserted into a central through hole of the collet 201, the connector 209 is sleeved on the other end of the collet 201, the stop lever 208 is fixedly connected with both the collet 201 and the connector 209, two ends of the first position-keeping elastic member 203 are respectively abutted to the locking shaft sleeve and the connector 209, the connector 209 is connected with a detection end of the dynamometer 20 through the coupling 30, and the stop lever 208 can limit the distance that a motor shaft of the motor 100 to be tested stretches into the collet 201 in the X direction.

Alternatively, as shown in fig. 7, the left and right sides of the sleeve bearing mounting seat 204 in the X direction are both provided with guide grooves, the centering support mechanism 2 further includes two lateral movement guide plates 210 extending along the X direction, the two lateral movement guide plates 210 are respectively fixed on the left and right sides of the follower seat 205 in the X direction, and the two lateral movement guide plates 210 are correspondingly penetrated in the two guide grooves one by one. The arrangement of the traverse guide 210 and the guide groove can provide a guiding function for the sliding of the follower seat 205 in the X direction.

Embodiment two:

as shown in fig. 9 and 10, on the basis of the first embodiment, the present embodiment provides another motor nondestructive testing device, which is different from the first embodiment in that:

on the one hand, the motor supporting mechanism 1 does not comprise the air jaw assembly 11, and the motor supporting mechanism 1 comprises a supporting die (not shown in the figure), and a first supporting groove for supporting and limiting the motor 100 to be tested is formed in the supporting die, that is, the supporting die is adopted to replace the air jaw assembly 11, so that the structure of the motor 100 to be tested is simpler, and the equipment cost and the control cost are reduced.

On the other hand, the first elevation trim assembly 12 is replaced with a second elevation trim assembly 13, and the second elevation trim assembly 13 includes a mounting base plate 131, a trim mounting plate 132, a trim elevation plate 133, a mounting top plate 137, and a second differential head 138. Specifically, the fine tuning mounting plate 132 is fixed on the mounting bottom plate 131, a second fine tuning cavity 1321 with an opening at the upper end is provided in the fine tuning mounting plate 132, an opening is provided at the side edge of the second fine tuning cavity 1321, the opening is plugged by a detachable side cover plate 1322, a bevel cutting bottom block 134 and a bevel cutting top block 135 are provided in the second fine tuning cavity 1321, a first fine tuning inclined plane 1341 is provided at the upper end of the bevel cutting bottom block 134, a second fine tuning inclined plane 1351 adapted to the first fine tuning inclined plane 1341 is provided at the lower end of the bevel cutting top block 135, and the first fine tuning inclined plane 1341 is in fine tuning abutting joint with the second fine tuning inclined plane 1351; the fine adjustment lifting plate 133 is slidably connected with the fine adjustment mounting plate 132 along the Z direction through a second cross roller guide 136; the mounting top plate 137 is fixed at the top end of the fine adjustment lifting plate 133, and the supporting die is mounted on the mounting top plate 137; the second differential head 138 is connected to the fine adjustment mounting plate 132 by a screw, one end of the second differential head 138 penetrates into the second fine adjustment cavity 1321 and abuts against the bevel bottom block 134, and the second differential head 138 can push the bevel bottom block 134 to move horizontally, so that the bevel top block 135 pushes the mounting top plate 137 upwards to rise along the Z direction. The operator rotates the second differential head 138 to adjust the height of the fine adjustment lifting plate 133 and the mounting top plate 137, thereby fine adjusting the heights of the supporting mold and the motor 100 to be tested, so that the motor shaft of the motor 100 to be tested is matched with the heights of the elastic chuck 201 and the dynamometer 20.

Preferably, the second lifting fine adjustment assembly 13 further includes a lifting fine adjustment guide plate 139 and a lifting fine adjustment guide bolt, the lifting fine adjustment guide plate 139 is fixed on a side edge of the fine adjustment mounting plate 132, a lifting fine adjustment guide hole 1391 extending along a vertical direction is formed in the lifting fine adjustment bottom plate, the lifting fine adjustment guide bolt (not shown in the figure) is connected with the fine adjustment lifting plate 133 and penetrates through the lifting fine adjustment guide hole 1391, and when the fine adjustment lifting plate 133 slides along the vertical direction, the lifting fine adjustment guide bolt slides along the lifting fine adjustment guide hole 1391, so as to play a role of lifting guide.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The nondestructive power measurement equipment of motor, its characterized in that includes:

a fixed frame (10);

the motor supporting mechanism (1) is arranged on the fixed frame (10) and is used for supporting a motor (100) to be tested;

a dynamometer (20) fixed on the fixed frame (10);

centering supporting mechanism (2), including collet chuck (201), clamp sleeve (202), first position keep elastic component (203), cover bearing mount pad (204) and unlocking assembly, collet chuck (201) extend along the X direction, the one end cover of collet chuck (201) is located the motor shaft periphery of awaiting measuring motor (100) and can radially elastic expansion or elastic contraction, the other end of collet chuck (201) with the detection end of dynamometer machine (20) is connected, clamp sleeve (202) cover is located collet chuck (201) periphery, just clamp sleeve (202) along X direction slide set up in cover bearing mount pad (204), first position keep elastic component (203) along X direction set up and both ends press respectively in clamp sleeve (202) with cover bearing mount pad (204), first position keep elastic component (203) have promotion clamp sleeve (202) along X direction removal trend to make collet chuck (201) shrink motor shaft (100) clamp sleeve (202) along X direction of movement, the unlocking assembly is used for the collet chuck (201) is used for the direction of movement.

2. The electric machine nondestructive testing device of claim 1, wherein the unlocking assembly comprises:

the follow-up seat (205) is arranged in the bearing mounting seat in a sliding manner along the X direction, the follow-up seat (205) is abutted with the clamping shaft sleeve (202), and a first inclined surface (2051) is arranged on the follow-up seat (205);

the jacking wedge block (206) is arranged in the bearing mounting seat in a sliding manner along the Z direction, a second inclined surface (2061) matched with the first inclined surface (2051) is arranged on the jacking wedge block (206), and the first inclined surface (2051) is abutted against the second inclined surface (2061);

and the output end of the jacking driving piece (207) is in transmission connection with the jacking wedge block (206) to drive the jacking wedge block (206) to ascend along the Z direction in a transmission way, so that the follow-up seat (205) moves along the opposite direction of the X direction.

3. The electric machine nondestructive testing device according to claim 2, characterized in that the centering support mechanism (2) further comprises a second position maintaining elastic member (214), the second position maintaining elastic member (214) being provided along the X-direction and both ends being pressed against the follower seat (205) and the sleeve bearing mount (204), respectively, the second position maintaining elastic member (214) having a tendency to push the follower seat (205) to move along the X-direction.

4. The nondestructive testing device for motors according to claim 1, wherein the centering support mechanism (2) further comprises a limiting rod (208) and a connector (209), the limiting rod (208) is arranged in a through hole in the center of the elastic chuck (201) in a penetrating mode, the connector (209) is sleeved on the other end of the elastic chuck (201), the limiting rod (208) is fixedly connected with the elastic chuck (201) and the connector (209), and the connector (209) is connected with a detection end of the dynamometer (20) through a coupler (30).

5. The motor nondestructive testing device according to claim 1, wherein the motor supporting mechanism (1) comprises a supporting die, and a first supporting groove for supporting and limiting the motor (100) to be tested is formed in the supporting die; or the motor support mechanism (1) comprises a gas claw assembly (11), and the gas claw assembly (11) comprises:

a clamping jaw cylinder (111) the output end of which can expand or contract along the Y direction;

the clamping fingers (112) are respectively fixed at two output ends of the clamping jaw cylinder (111), a yielding groove (1121) is formed in one side, adjacent to the clamping fingers (112), of each clamping finger (112), and when the clamping fingers (112) shrink along the Y direction, the yielding grooves (1121) form a second bearing groove for bearing and limiting the motor (100) to be tested;

the motor positioning plate (113) and the motor limiting plate (114) are both fixed at the end parts of the two clamping fingers (112) and used for assisting in positioning and limiting the motor (100) to be tested.

6. The electric machine non-destructive power measuring apparatus according to claim 5, wherein the electric machine support mechanism (1) further comprises a first lifting fine adjustment assembly (12), the first lifting fine adjustment assembly (12) comprising:

the mounting base (121) is provided with a first fine adjustment cavity (1211) with an opening at the upper end, and a fine adjustment block (124) which is rotatably arranged around a horizontal axis is arranged in the first fine adjustment cavity (1211);

the fine-tuning lifting seat (122) is connected with the mounting base (121) in a sliding manner along the Z direction through a first crossed roller guide rail (125), and the supporting die or the air claw assembly (11) is mounted on the fine-tuning lifting seat (122);

the first differential head (123) is in threaded connection with the installation base (121), one end of the first differential head (123) penetrates into the first fine adjustment cavity (1211) and abuts against the fine adjustment block (124), and the first differential head (123) can push the fine adjustment block (124) to rotate upwards, so that the fine adjustment block (124) pushes the fine adjustment lifting seat (122) to lift along the Z direction.

7. The electric machine non-destructive power measuring apparatus according to claim 5, wherein the electric machine support mechanism (1) further comprises a second lifting fine adjustment assembly (13), the second lifting fine adjustment assembly (13) comprising:

a mounting base plate (131);

the fine adjustment mounting plate (132) is fixed on the mounting bottom plate (131), a second fine adjustment cavity (1321) with an opening at the upper end is arranged in the fine adjustment mounting plate (132), a bevel cutting bottom block (134) and a bevel cutting top block (135) are arranged in the second fine adjustment cavity (1321), a first fine adjustment inclined plane (1341) is arranged at the upper end of the bevel cutting bottom block (134), a second fine adjustment inclined plane (1351) matched with the first fine adjustment inclined plane (1341) is arranged at the lower end of the bevel cutting top block (135), and the first fine adjustment inclined plane (1341) is in fine adjustment abutting joint with the second fine adjustment inclined plane (1351);

the fine adjustment lifting plate (133) is connected with the fine adjustment mounting plate (132) in a sliding manner along the Z direction through a second crossed roller guide rail (136);

a mounting top plate (137) fixed to the top end of the fine adjustment lifting plate (133), and the supporting die or the air jaw assembly (11) is mounted on the mounting top plate (137);

the second differential head (138) is in threaded connection with the fine setting mounting plate (132), one end of the second differential head (138) penetrates into the second fine setting cavity (1321) and is abutted to the inclined cutting bottom block (134), and the second differential head (138) can push the inclined cutting bottom block (134) to move horizontally, so that the inclined cutting top block (135) pushes the mounting top plate (137) upwards to rise along the Z direction.

8. The electric machine non-destructive power measuring apparatus according to claim 5, wherein the electric machine support mechanism (1) further comprises a horizontal trimming assembly (14), the horizontal trimming assembly (14) comprising:

a horizontal fine tuning base plate (141);

the horizontal fine adjustment top plate (142) is used for bearing the supporting die or the air jaw assembly (11), the horizontal fine adjustment top plate (142) is slidably connected with the horizontal fine adjustment bottom plate (141) along the Y direction through a third crossed roller guide rail (148), and a pushing plate (147) is connected to the side edge of the horizontal fine adjustment top plate (142);

the body of the third differential head (143) is fixed on the horizontal fine adjustment bottom plate (141) through a mounting side plate (146), the output end of the third differential head (143) is connected with the pushing plate (147), and the third differential head (143) can stretch and retract along the Y direction so as to drive the horizontal fine adjustment top plate (142) to move along the Y direction;

the horizontal fine adjustment guide plate (144) and horizontal fine adjustment guide bolt (145), horizontal fine adjustment guide plate (144) are fixed in the side of horizontal fine adjustment bottom plate (141), be equipped with on horizontal fine adjustment bottom plate (141) along Y direction extension's horizontal fine adjustment guiding hole (1441), horizontal fine adjustment guiding bolt (145) with horizontal fine adjustment roof (142) are connected and wear to locate horizontal fine adjustment guiding hole (1441).

9. The motor nondestructive testing device according to any one of claims 1-8, further comprising a sliding seat (4), wherein the sliding seat (4) is slidably arranged on the fixed frame (10) along the X direction through a guide rail sliding block assembly (5), the motor supporting mechanism (1) is fixed on the sliding seat (4), the motor nondestructive testing device further comprises a pushing cylinder (6), and an output end of the pushing cylinder (6) is in transmission connection with the sliding seat (4) and is used for driving the sliding seat (4) to move along the X direction.

10. The electric machine non-destructive power measuring apparatus of claim 9, further comprising a probe connection assembly (3), the probe connection assembly (3) comprising:

a probe cylinder (31) mounted to the slide (4) through a cylinder block (32); and

the probe seat (33) is fixed at the output end of the probe cylinder (31), the probe seat (33) is used for fixing a power supply probe, and the probe cylinder (31) can drive the probe seat (33) to stretch along the X direction so as to enable the power supply probe to be connected with or separated from the motor (100) to be tested.