CN112213525B - Motor test switching structure and test structure thereof - Google Patents
Motor test switching structure and test structure thereof Download PDFInfo
- Publication number
- CN112213525B CN112213525B CN202011003351.XA CN202011003351A CN112213525B CN 112213525 B CN112213525 B CN 112213525B CN 202011003351 A CN202011003351 A CN 202011003351A CN 112213525 B CN112213525 B CN 112213525B
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- Prior art keywords
- switching
- motor
- annular
- cylinder
- liquid outlet
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 239000000110 cooling liquid Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
The application belongs to motor test design technical field, in particular to motor test switching structure, include: the inner wall of the switching cylinder is provided with an annular bulge and a hydraulic cooling liquid inlet and a hydraulic cooling liquid outlet; wherein the hydraulic cooling liquid inlet is positioned at one side of the annular bulge; the hydraulic coolant outlet is located on the other side of the annular projection. Furthermore, it relates to a motor test structure comprising: a motor; a dynamometer; the motor test switching structure.
Description
Technical Field
The application belongs to the technical field of motor test design, and particularly relates to a motor test switching structure and a test structure thereof.
Background
At present, performance tests are carried out on a motor, the motor is installed on a dynamometer, a load is applied to the motor through the dynamometer, so that the actual working environment of the motor is simulated, and under the condition, performance parameters such as output torque, output power, efficiency, temperature rise and rotating speed of the motor are measured and calculated.
In addition, the rotating shaft 1 is designed to be a hollow rotating shaft so that the hydraulic cooling liquid flows out of the rotating shaft after circulating in the shell 2, as shown in fig. 1, the inlet and outlet of the hydraulic cooling liquid of the motor are positioned at the rotating position and the related position, and when the motor is subjected to performance test, the motor is directly arranged on a dynamometer, so that the required hydraulic pressure and the cooling condition thereof are difficult to provide for the motor, and the accurate measurement and calculation of the performance parameters of the motor cannot be realized.
The present application has been made in view of the existence of the above-mentioned technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present invention, which is not necessarily prior art to the present application, and should not be used for evaluating the novelty and creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
In order to solve the technical problem, the application provides a motor test switching structure and test structure thereof.
The technical scheme of the application is as follows:
one aspect provides a motor test switching structure, comprising:
the inner wall of the switching cylinder is provided with an annular bulge and a hydraulic cooling liquid inlet and a hydraulic cooling liquid outlet; wherein,
the hydraulic cooling liquid inlet is positioned at one side of the annular bulge;
the hydraulic coolant outlet is located on the other side of the annular projection.
Preferably, in the above-mentioned motor test switching structure, the switching cylinder is formed by butt joint of a liquid inlet cylinder and a liquid outlet cylinder, wherein,
the liquid inlet cylinder is provided with a hydraulic cooling liquid inlet;
the liquid outlet cylinder is provided with a hydraulic cooling liquid outlet and an annular bulge.
Preferably, in the motor test switching structure, the spigot of the liquid inlet cylinder and the spigot of the liquid outlet cylinder are centered.
Preferably, in the above motor test switching structure, the motor test switching structure further includes:
the adapter sleeve penetrates through the inner part of the annular bulge and is in sealing contact with the annular bulge, and can rotate relative to the annular bulge.
Preferably, in the above-mentioned motor test switching structure, the switching sleeve is provided with a plurality of hydraulic cooling liquid outlet holes; each hydraulic cooling liquid outlet hole and the hydraulic cooling liquid outlet are positioned on the same side of the annular bulge.
Preferably, in the above motor test switching structure, the motor test switching structure further includes:
the switching disc covers one end of the switching cylinder and is in sliding connection with the end, and the end and the hydraulic cooling liquid outlet are positioned on the same side of the annular bulge; one end of the adapter sleeve, which faces the adapter plate, is connected with the adapter plate.
Preferably, in the above-mentioned motor test switching structure, the outer wall of the switching cylinder has a first annular switching edge;
the outer edge of the switching disc is provided with a second annular switching edge;
the motor test switching structure still includes:
and the clamping hoop is clamped on the first annular switching edge and the second annular switching edge.
Preferably, in the above-mentioned motor test switching structure, the switching sleeve is in spline fit connection with the switching disc.
Preferably, in the above-mentioned motor test switching structure, the switching disc is centered with the switching barrel spigot.
Preferably, in the above motor test switching structure, the motor test switching structure further includes:
the adapter ring is sleeved on the adapter sleeve, and the outer wall is provided with an annular sealing edge;
the movable sealing ring is arranged on the annular bulge and is abutted against the annular sealing edge.
Another aspect provides a motor test structure comprising:
a motor;
a dynamometer;
any one of the motor test switching structures is characterized in that one end of the liquid inlet cylinder, which is back to the liquid outlet cylinder, is connected with a shell of the motor; the adapter plate is connected with the dynamometer; one end of the adapter sleeve, which is back to the adapter plate, is sleeved on the rotating shaft of the motor.
Preferably, in the above motor test structure, the liquid inlet tube is centered with the spigot of the housing.
Preferably, in the above motor test structure, an inner wall of the liquid inlet cylinder facing away from one end of the liquid outlet cylinder is provided with an annular connecting edge; the annular connecting edge is connected with the shell.
Preferably, in the above motor test structure, the annular connecting edge has a plurality of perforations;
the shell is provided with a plurality of studs; each stud passes through one perforation correspondingly and is connected with the nut.
Preferably, in the above motor test structure, the housing has an annular boss; the annular boss surrounds the rotating shaft; the annular connecting edge is clamped on the annular boss.
Preferably, in the above motor test structure, the adapter sleeve is centered with the spigot of the rotating shaft.
Preferably, in the above motor test structure, the adapter sleeve is provided with a key hole;
the rotating shaft is provided with a key slot;
the motor test structure further includes:
and the locking key is inserted into the key hole and the key groove.
Preferably, in the above motor test structure, the adapter ring has a notch;
the locking key is provided with a protruding part; the protruding part is clamped into the notch.
Drawings
FIG. 1 is a schematic diagram of a motor provided herein;
fig. 2 is a schematic structural diagram of the motor test switching structure provided in the present application in cooperation with a motor;
fig. 3 is a schematic structural view of the adapter sleeve provided in the present application;
FIG. 4 is a schematic view of an adapter ring according to the present disclosure;
FIG. 5 is a schematic view of the structure of the locking pin provided herein;
wherein,
1-a rotating shaft; 2-a housing; 3-annular projection; 4-a liquid inlet cylinder; 5-a liquid outlet cylinder; 6-an adapter sleeve; 7-a switching disc; 8-clamping hoop; 9-an adapter ring; 10-moving a sealing ring; 11-an electric motor; 12-locking key.
For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; further, the drawings are for illustrative purposes, wherein the terms describing the positional relationship are limited to the illustrative description only and are not to be construed as limiting the present patent.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the following describes the technical solutions in the embodiments of the present application in more detail with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description herein are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The present application is described in further detail below with reference to fig. 1-5.
One aspect provides a motor test switching structure, comprising:
the inner wall of the adapter cylinder is provided with an annular bulge 3 and a hydraulic cooling liquid inlet and a hydraulic cooling liquid outlet; wherein,
the hydraulic cooling liquid inlet is positioned at one side of the annular bulge 3;
the hydraulic coolant outlet is located on the other side of the annular projection 3.
For the motor test switching structure disclosed in the above embodiment, it can be understood by those skilled in the art that the structure can be used for implementing switching between the motor 11 and the dynamometer during the motor performance test, when the structure is used for implementing switching between the motor 11 and the dynamometer, the annular protrusion 3 can be sleeved on the rotating shaft 1 of the motor 11, so that one end of the switching cylinder, which is located at the same side of the annular protrusion 3, with the hydraulic cooling liquid inlet is connected with the housing 2 of the motor 11, while the other end is connected with the dynamometer, when the motor performance test is performed, the hydraulic cooling liquid can flow into the space between the annular protrusion 3 and the housing 2 in the switching cylinder from the hydraulic cooling liquid inlet, flow into the housing 2 through the gap between the rotating shaft 1 and the housing 2, circulate in the housing to provide a certain hydraulic pressure for the motor and cool the internal components of the housing 2, and then flow out to the space between the annular protrusion 3 and the dynamometer in the switching cylinder through the hollow of the rotating shaft 1, and out from the hydraulic cooling liquid outlet.
In some alternative embodiments, in the above-mentioned motor test switching structure, the switching cylinder is formed by butting a liquid inlet cylinder 4 and a liquid outlet cylinder 5, wherein,
the liquid inlet cylinder 4 is provided with a hydraulic cooling liquid inlet;
the liquid outlet cylinder 5 is provided with a hydraulic cooling liquid outlet and an annular bulge 3.
For the motor test switching structure disclosed in the above embodiment, it can be understood by those skilled in the art that the design switching barrel is formed by butting the liquid inlet barrel 4 and the liquid outlet barrel 5, and can be used for realizing the switching process of the motor 11 and the dynamometer during the motor performance test, so as to facilitate assembly and assembly.
In some optional embodiments, in the above-mentioned motor test switching structure, the spigot of the liquid inlet cylinder 4 and the spigot of the liquid outlet cylinder 5 are centered, so as to avoid generating additional moment when the motor performance test is performed, and influence the accuracy of the test result.
In some optional embodiments, the motor test switching structure further includes:
the adapter sleeve 6 penetrates through the inner part of the annular protrusion 3, is in sealing contact with the annular protrusion 3, and can rotate relative to the annular protrusion 3.
For the motor test switching structure disclosed in the above embodiment, it can be understood by those skilled in the art that the design of the switching sleeve 6 penetrates through the annular protrusion 3, so that during the switching process of the motor 11 and the dynamometer, the switching sleeve 6 and one end of the hydraulic cooling liquid outlet, which is positioned on the same side of the annular protrusion 3, are sleeved on the rotating shaft 1, so as to reduce the abrasion between the annular protrusion 3 and the rotating shaft 1.
In some alternative embodiments, in the motor test switching structure, the switching sleeve 6 is provided with a plurality of hydraulic cooling liquid outlet holes; each hydraulic-cooling liquid outlet is located on the same side of the annular projection 3 as the hydraulic-cooling liquid outlet.
For the motor test switching structure disclosed in the above embodiment, it can be understood by those skilled in the art that the switching sleeve 6 is designed to have a plurality of hydraulic cooling liquid outlet holes on the same side of the annular protrusion 3 as the hydraulic cooling liquid outlet, when the motor performance test is performed, the hydraulic cooling liquid flowing out from the hollow of the rotating shaft 11 can enter the switching sleeve 6, flow out to the space between the annular protrusion 3 and the dynamometer in the switching cylinder through the hydraulic cooling liquid outlet hole on the switching sleeve 6, and finally flow out through the hydraulic cooling liquid outlet.
In some optional embodiments, the motor test switching structure further includes:
a switching disc 7 covering one end of the switching cylinder and slidingly connected with the end, the end and the hydraulic cooling liquid outlet are positioned on the same side of the annular bulge 3; one end of the adapter sleeve 6 facing the adapter plate 7 is connected with the adapter plate 7.
For the motor test switching structure disclosed in the above embodiment, it can be understood by those skilled in the art that the switching structure can be used for enabling the turntable 7 to be connected with the dynamometer when the motor performance test is implemented for switching the motor 11 and the dynamometer, and the rotating shaft 1 can drive the turntable 7 to rotate through the switching sleeve 6, so that the load transfer between the motor 11 and the dynamometer is implemented, the load is applied to the motor through the dynamometer, and the actual working environment of the motor is simulated.
In some alternative embodiments, in the motor test switching structure, the outer wall of the switching cylinder is provided with a first annular switching edge;
the outer edge of the switching disc 7 is provided with a second annular switching edge;
the motor test switching structure still includes:
and the clamping hoop 8 is clamped on the first annular switching edge and the second annular switching edge.
In some alternative embodiments, in the motor test switching structure, the switching sleeve 6 is in spline fit connection with the switching disc 7.
In some alternative embodiments, in the above-mentioned motor test switching structure, the switching disc 7 is centered with the spigot of the switching cylinder, so as to avoid generating additional moment during performance test of the motor, and affecting accuracy of test results.
In some optional embodiments, the motor test switching structure further includes:
the adapter ring 9 is sleeved on the adapter sleeve 6, and the outer wall is provided with an annular sealing edge;
the movable sealing ring 10 is arranged on the annular projection 3 and abuts against the annular sealing edge.
For the motor test switching structure disclosed in the above embodiment, it can be understood by those skilled in the art that the matching structure of the switching ring 9 and the movable sealing ring 10 is designed between the annular protrusion 3 and the switching sleeve 6, so as to realize the rotary seal between the annular protrusion 3 and the switching sleeve 6, isolate the space at two sides of the annular protrusion 3 in the switching cylinder, thereby, when the motor performance test is performed, the isolation between the inflow path and the outflow path of the hydraulic cooling liquid is realized, the smooth performance of the test is ensured, in addition, the axial position of the movable sealing ring 10 can be adjusted, the tight degree of the movable sealing ring 10 and the annular sealing edge is adjusted, and the fixation of the switching ring 9 is realized, so that the relative motion between the switching ring 9 and the switching sleeve 6 is avoided, the friction force is generated, the additional moment is introduced, and the accuracy of the test result is affected.
Another aspect provides a motor test structure comprising:
a motor 11;
a dynamometer;
any one of the above motor test switching structures, wherein one end of the liquid inlet cylinder 4, which is opposite to the liquid outlet cylinder 5, is connected with the shell 2 of the motor 11; the adapter plate 7 is connected with a dynamometer; one end of the adapter sleeve 6, which is away from the adapter plate 7, is sleeved on the rotating shaft 1 of the motor 11.
In some alternative embodiments, in the motor testing structure, the liquid inlet cylinder 4 is centered with the spigot of the shell, so as to avoid generating additional moment when the motor performance test is performed, and affecting the accuracy of the test result.
In some alternative embodiments, in the above-mentioned motor test structure, an inner wall of the liquid inlet cylinder 4 facing away from one end of the liquid outlet cylinder 5 has an annular connecting edge; the annular connecting edge is connected with the shell 2.
In some alternative embodiments, in the motor test structure, the annular connecting edge is provided with a plurality of perforations;
the shell 2 is provided with a plurality of studs; each stud passes through one perforation correspondingly and is connected with the nut.
In some alternative embodiments, in the motor test structure described above, the housing 2 has an annular boss thereon; the annular boss surrounds the rotating shaft 1; the annular connecting edge is clamped on the annular boss, namely the liquid cylinder 4 is centered with the spigot of the shell 2, so that the influence on the accuracy of a test result caused by additional moment generated during the performance test of the motor is avoided.
In some alternative embodiments, in the motor testing structure, the adapter sleeve 6 is centered with the spigot of the rotating shaft 1, so as to avoid generating additional moment during performance test of the motor and affecting accuracy of test results.
In some alternative embodiments, in the motor test structure described above, the adapter sleeve 6 has a key hole thereon;
the rotating shaft 1 is provided with a key slot;
the motor test structure further includes:
the locking key 12 is inserted into the key hole and the key groove, so that relative movement between the adapter sleeve 6 and the rotating shaft 1 during motor performance test is avoided, additional moment is generated, and accuracy of test results is prevented from being influenced.
In some alternative embodiments, in the motor test structure, the adapter ring 9 has a notch;
the locking key 12 is provided with a convex part; the protruding part is clamped into the notch to realize positioning of the adapter sleeve 6, so that when the motor performance test is carried out, relative movement between the adapter sleeve 6 and the rotating shaft 1 is not generated, additional moment is generated, accuracy of a test result is affected, in addition, the adapter sleeve 6 can partially cover the locking key 12, and the locking key 12 is prevented from flying out of a key hole and a key groove when the motor performance test is carried out.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments illustrated in the accompanying drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the relevant technical features without departing from the principles of the present application, and those changes or substitutions will now fall within the scope of the present application.
Claims (5)
1. A motor test structure, comprising:
a motor (11);
a dynamometer;
motor test switching structure includes:
the inner wall of the adapter cylinder is provided with an annular bulge (3), and the adapter cylinder is provided with a hydraulic cooling liquid inlet and a hydraulic cooling liquid outlet which are distributed on two sides of the annular bulge (3); the switching cylinder is formed by butt joint of a liquid inlet cylinder (4) and a liquid outlet cylinder (5), wherein the liquid inlet cylinder (4) is provided with the hydraulic cooling liquid inlet; the liquid outlet cylinder (5) is provided with the hydraulic cooling liquid outlet and the annular bulge (3);
the adapter sleeve (6) penetrates through the annular bulge (3) and is in sealing contact with the annular bulge (3) and can rotate relative to the annular bulge (3);
the adapter sleeve (6) is provided with a plurality of hydraulic cooling liquid outlet holes; each hydraulic cooling liquid outlet is positioned on the same side of the annular bulge (3) as the hydraulic cooling liquid outlet;
a switching disc (7) covering one end of the switching cylinder and connected with the end in a sliding way, wherein the end and the hydraulic cooling liquid outlet are positioned on the same side of the annular bulge (3); one end of the adapter sleeve (6) facing the adapter plate (7) is connected with the adapter plate (7);
wherein,
one end of the liquid inlet cylinder (4) facing away from the liquid outlet cylinder (5) is connected with the shell (2) of the motor (11);
the adapter plate (7) is connected with the dynamometer; one end of the adapter sleeve (6) facing away from the adapter plate (7) is sleeved on the rotating shaft (1) of the motor (11).
2. The motor test structure according to claim 1, wherein,
the adapter sleeve (6) is provided with a key hole;
the rotating shaft (1) is provided with a key groove;
the motor test structure further includes:
and a locking key (12) inserted into the key hole and the key groove.
3. The motor test structure according to claim 2, wherein,
the adapter ring (9) is provided with a notch;
the locking key (12) is provided with a protruding part; the protruding part is clamped into the notch.
4. The motor test structure according to claim 1, wherein,
the outer wall of the switching cylinder is provided with a first annular switching edge;
the outer edge of the switching disc (7) is provided with a second annular switching edge;
the motor test switching structure further comprises:
and the clamping hoop (8) is clamped on the first annular switching edge and the second annular switching edge.
5. The motor test structure according to claim 4, wherein,
further comprises:
the adapter ring (9) is sleeved on the adapter sleeve (6), and the outer wall is provided with an annular sealing edge;
a movable sealing ring (10) is arranged on the annular projection (3) and is abutted against the annular sealing edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011003351.XA CN112213525B (en) | 2020-09-22 | 2020-09-22 | Motor test switching structure and test structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011003351.XA CN112213525B (en) | 2020-09-22 | 2020-09-22 | Motor test switching structure and test structure thereof |
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| Publication Number | Publication Date |
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| CN112213525A CN112213525A (en) | 2021-01-12 |
| CN112213525B true CN112213525B (en) | 2024-04-09 |
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| CN202011003351.XA Active CN112213525B (en) | 2020-09-22 | 2020-09-22 | Motor test switching structure and test structure thereof |
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| CN112213525A (en) | 2021-01-12 |
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