CN208125896U - DC brushless motor test device - Google Patents
DC brushless motor test device Download PDFInfo
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- CN208125896U CN208125896U CN201820625520.5U CN201820625520U CN208125896U CN 208125896 U CN208125896 U CN 208125896U CN 201820625520 U CN201820625520 U CN 201820625520U CN 208125896 U CN208125896 U CN 208125896U
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Abstract
A kind of DC brushless motor test device is disclosed, intelligent machine technical field is belonged to.It includes the first rack, motor hugging, briquetting and clamp system, first through hole is provided in first rack, motor hugging is fixedly connected on the upper surface of the first rack, and first through hole is made to be in the center of motor hugging, the inner cavity of motor hugging is adapted with the shell to measured motor, will be when measured motor is loaded onto brushless motor test device, and the shell to measured motor can be embedded in the inner cavity of motor hugging, also, first through hole can be arranged in the axis of measured motor；Briquetting can treat measured motor at the top of to measured motor and apply downward active force；Clamp system can apply axis of the active force holding to measured motor from the bottom to measured motor.It can be realized unloaded, load testing, and test process can be completed by clamped one time, thus easy to operate.
Description
Technical field
The utility model relates to intelligent machine technical fields, more particularly to a kind of DC brushless motor test device.
Background technique
In recent years, scientific and technical development proposes increasingly higher demands to motor performance and quality index, and motor is surveyed
The development of examination technology and the development of electric machine industry are closely related.Motor test is comprehensive to quality of motors and technical performance
The important link for closing evaluation, is the important procedure of motor manufacturing and production.
For traditional testing equipment and method since the operating time is long, the instrument that need to be observed is more, artificial read test data and
It carries out data analysis, calculate, affect the quality and precision of motor test to a certain extent.With current design of electrical motor water
The performance of flat, the further promotion of technological level and motor raw material is continuously improved, and the performance and quality index of motor have
Very big raising.Therefore, the requirement of Motor Measuring Technology is also increasingly improved, DC brushless motor is also in this way, brush DC is electric
It needs to convert in different test machine in pusher side test, test process is cumbersome.
Utility model content
In view of this, the present invention provides a kind of DC brushless motor test devices, can be realized unloaded, load
Test, and test process can be completed by clamped one time, thus it is easy to operate, thus more suitable for practical.
In order to achieve the above objectives, the utility model embodiment mainly provides the following technical solutions：
DC brushless motor test device provided by the utility model includes the first rack (16), motor hugging (15), pressure
Block (10) and clamp system,
It is provided with first through hole (40) on first rack (16), the motor hugging (15) is fixedly connected on described
The upper surface of one rack (16), and the first through hole (40) is made to be in the center of the motor hugging (15), institute
The inner cavity and the shell to measured motor (14) for stating motor hugging (15) are adapted, and the brushless electricity will be loaded onto measured motor (14)
When on apparatus test device, the shell to measured motor (14) can be embedded in the inner cavity of the motor hugging (15), also, to be measured
The axis (41) of motor (14) can be arranged in the first through hole (40)；
The briquetting (10) can treat measured motor (14) from the top (13) to measured motor (14) and apply downward effect
Power；The clamp system can apply axis (41) of the active force holding to measured motor (14) from the bottom to measured motor (14).
It the purpose of the utility model embodiment and solves its technical problem also following technical measures can be used to further realize.
Preferably, the DC brushless motor test device further includes the first telescoping mechanism (42) and the first connector
(9),
First rack (16) be equipped with the second through-hole (46), the free end (31) of first telescoping mechanism (42) with
Second through-hole (46) clearance fit；
One end of first connector (9) is fixedly connected on the free end (31) of first telescoping mechanism (42), institute
The other end for stating the first connector (9) is fixedly connected on the briquetting (10).
Preferably, the DC brushless motor test device further includes the first feed rod (11) and the second feed rod (12),
Third through-hole (47) and fourth hole (48) are additionally provided on first rack (16), first feed rod (11) is logical
It crosses the third through-hole (47) and first rack (16) constitutes sliding pair, second feed rod (12) passes through the four-way
Hole (48) and first rack (16) constitute sliding pair；
The upper end of first feed rod (11) is fixedly connected on first connector (9), second feed rod (12)
Upper end is fixedly connected on first connector (9).
Preferably, the clamp system includes the second rack (18), the second telescoping mechanism (19), third telescoping mechanism
(20), the second connector (30), the 4th telescoping mechanism (17), lever (35), collet sleeve (37), collet (8) and third connector
(49),
The third connector (49) is fixedly connected on first rack (16),
The fixing end of second telescoping mechanism (19), the fixing end of third telescoping mechanism (20) are respectively fixedly connected in institute
State third connector (49), the free end (33) of second telescoping mechanism (19), third telescoping mechanism (20) free end
(32) it is respectively fixedly connected in second rack (18)；
One end of second connector (30) is fixedly connected on second rack (18), second connector (30)
The other end be articulated with one end of the lever (35)；
The fixing end of 4th telescoping mechanism (17) is articulated with second rack (18), the 4th telescoping mechanism
(17) free end (34) is articulated with the other end of the lever (35)；
The collet sleeve (37) is articulated with the centre of the lever (35)；
The collet (8) is placed in the collet sleeve (37), and the collet (8) can hold the axis to measured motor (14) tightly
(41)。
Preferably,
The collet (8) includes first segment axis (3), second segment axis (2) and third section axis (1), the first segment axis (3)
Outer diameter is greater than the outer diameter of the second segment axis (2), and the outer diameter of the third section axis (1) is greater than the outer diameter of the second segment axis (2),
Slit (6) are offered in the radial direction of the first segment axis (3)；
The inside of the collet sleeve (37) is equipped with the accommodating cavity (38) for accommodating the collet (8)；
The first segment axis (3) is integrally in inverted cone-shaped structure, and the top (39) of the accommodating cavity (38) is in reverse taper hole, institute
First segment axis (3) is stated to be adapted with the top (39) of the accommodating cavity (38).
Preferably, the slit (6) extends to the second segment axis (2) from the first segment axis (3).
Preferably, being provided with stress hole (5) in the end of the slit (6).
Preferably,
The lever central offers perforating (43), and the collet sleeve (37) is arranged in the perforating (43), institute
State tight fit between lever (35) and the collet sleeve (37).
Preferably, the DC brushless motor test device further includes elastomeric element (36),
The diameter of the pedestal (50) of (37) of the collet sleeve is greater than the outer diameter of the elastomeric element (36), the collet sleeve
(37) diameter at top is greater than the outer diameter of the elastomeric element (36), and the elastomeric element (36) is resisted against the collet sleeve
(37) between the top of pedestal (50) and the collet sleeve (37), when unloaded, the elastomeric element (36) is in compressive state.
Preferably, the DC brushless motor test device further include power outlet (29), the 5th telescoping mechanism (21),
Attaching plug (26) and block part (25),
The power outlet (29) is L-shaped, the attaching plug (26) be fixedly connected on the power outlet (29) its
On the outer wall of middle one side (27), it is another that the fixing end of the 5th telescoping mechanism (21) is fixedly connected on the power outlet (29)
On the outer wall in face (28)；
One end (23) of the block part (25) is fixedly connected on the free end (22) of the 5th telescoping mechanism (21), institute
The other end (24) for stating block part (25) is set to the side of the attaching plug (26), when the freedom of the telescoping mechanism (21)
When holding (22) stretching motion, the block part (25) can flick the attaching plug (26).
DC brushless motor test device provided by the utility model is loaded into electricity during application, to measured motor 14
In machine hugging 15, by the collective effect of briquetting 10 and clamp system, the clamp operation for treating measured motor 14 can be realized, may be used also
Make its zero load in a manner of by loosening briquetting 10 and clamp system, therefore, can be completed and tested merely through clamped one time
Journey, it is easy to operate.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is three-dimensional knot when DC brushless motor test device provided by the embodiment of the utility model is in light condition
Structure schematic diagram；
Fig. 2 is the partial enlargement structural representation of C portion in Fig. 1；
Fig. 3 is typical case side when DC brushless motor test device provided by the embodiment of the utility model is in unloaded
Direction view；
Fig. 4 is the sectional view along A-A of Fig. 3；
Fig. 5 is the partial enlargement structural representation of the part D in Fig. 4；
Fig. 6 is typical case side when DC brushless motor test device provided by the embodiment of the utility model is in load
Direction view；
Fig. 7 be in Fig. 6 E-E to cross-sectional view；
Fig. 8 is the partial enlargement structural representation of the part F in Fig. 7；
Fig. 9 is the motor clamp system and direct current in DC brushless motor test device provided by the embodiment of the utility model
Perspective view when brushless motor is combined together；
Figure 10 is for the motor clamp system in DC brushless motor test device provided by the embodiment of the utility model and directly
Exemplary cross sections when stream brushless motor is combined together；
Figure 11 is the perspective view for the collet applied in DC brushless motor test device provided by the embodiment of the utility model.
Specific embodiment
The utility model in order to solve the problems existing in the prior art, provides a kind of DC brushless motor test device, energy
It is enough to realize unloaded, load testing, and test process can be completed by clamped one time, thus it is easy to operate, thus more suitable
In practical.
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes DC brushless motor test device, it is specific real
Mode, structure, feature and its effect are applied, detailed description is as follows.In the following description, different " embodiment " or " embodiment "
What is referred to is not necessarily the same embodiment.In addition, the feature, structure or feature in one or more embodiments can be by any suitable shapes
Formula combination.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, is specifically interpreted as：It can simultaneously include A and B, can be with individualism A, it can also be with individualism
B can have above-mentioned three kinds of any case.
Referring to attached drawing 1-11, DC brushless motor test device provided by the embodiment of the utility model includes the first rack
16, motor hugging 15, briquetting 10 and clamp system.First through hole 40 is provided in first rack 16, motor hugging 15 is fixed to be connected
It is connected to the upper surface of the first rack 16, and first through hole 40 is made to be in the center of motor hugging 15, motor hugging 15
Inner cavity be adapted with the shell to measured motor 14, will be when measured motor 14 be loaded onto brushless motor test device, electricity to be measured
The shell of machine 14 can be embedded in the inner cavity of motor hugging 15, also, can be arranged in first to the axis of measured motor 14 41 and be led to
Hole 40.Briquetting 10 can treat measured motor 14 from the top 13 to measured motor 14 and apply downward active force；Clamp system can
Apply axis 41 of the active force holding to measured motor 14 from the bottom to measured motor 14.
DC brushless motor test device provided by the embodiment of the utility model fills during application to measured motor 14
It is loaded in motor hugging 15, by the collective effect of briquetting 10 and clamp system, the clamping behaviour for treating measured motor 14 can be realized
Make, its zero load can also be made by way of loosening briquetting 10 and clamp system, therefore, can be completed merely through clamped one time
Test process, it is easy to operate.
Wherein, DC brushless motor test device provided by the embodiment of the utility model further includes 42 He of the first telescoping mechanism
First connector 9.First rack 16 is equipped with the second through-hole 46, between the free end 31 of the first telescoping mechanism 42 and the second through-hole 46
Gap cooperation.One end of first connector 9 is fixedly connected on the free end 31 of the first telescoping mechanism 42, the first connector 9 it is another
End is fixedly connected on briquetting 10.It can be realized in this case by the control to the first telescoping mechanism 42 to the upper of briquetting 10
Liter and step-down operation, without artificial load briquetting 10.
Wherein, DC brushless motor test device provided by the embodiment of the utility model further includes the first feed rod 11 and second
Feed rod 12.It is additionally provided with third through-hole 47 and fourth hole 48 in first rack 16, the first feed rod 11 passes through third through-hole 47 and the
One rack 16 constitutes sliding pair, and the second feed rod 12 constitutes sliding pair by fourth hole 48 and the first rack 16.First feed rod 11
Upper end be fixedly connected on the first connector 9, the upper end of the second feed rod 12 is fixedly connected on the first connector 9.In such case
Under, the first feed rod 11 and the second feed rod 12 limit the elevating movement of the free end 31 of the first telescoping mechanism 42, can keep away
Exempt to be stuck during moving up and down due to inclination due to the own section 31 of the first telescoping mechanism 42, so that follow-up test
It works smooth.
Wherein, clamp system includes the second rack 18, the second telescoping mechanism 19, third telescoping mechanism 20, the second connector
30, the 4th telescoping mechanism 17, lever 35, collet sleeve 37, collet 8 and third connector 49.Third connector 49 is fixedly connected on
First rack 16, the fixing end of the second telescoping mechanism 19, the fixing end of third telescoping mechanism 20 are respectively fixedly connected with to be connected in third
Fitting 49, the free end 33 of the second telescoping mechanism 19, the free end 32 of third telescoping mechanism 20 are respectively fixedly connected in the second machine
Frame 18.One end of second connector 30 is fixedly connected on the second rack 18, and the other end of the second connector 30 is articulated with lever 35
One end；The fixing end of 4th telescoping mechanism 17 is articulated with the second rack 18, and the free end 34 of the 4th telescoping mechanism 17 is articulated with
The other end of lever 35；Collet sleeve 37 is articulated with the centre of lever 35；Collet 8 is placed in collet sleeve 37, and collet 8 can be held tightly
Axis 41 to measured motor 14.In this case, when the free end 33 of the second telescoping mechanism 19, the freedom of third telescoping mechanism 20
When the free end 34 of 32, third telescoping mechanism 17 being held to move up, under the drive of lever 35, collet sleeve 37 drives collet 8
It also moves up, collet 8 can contain the axis 41 to measured motor 14, to hold the axis 41 to measured motor 14 tightly, wherein collet 8
Inside can adhere to flexible damping piece, in this case, once collet 8 with after the axis 41 of measured motor 14 is held tightly, can keep away
Exempt to generate relative rotary motion between axis 41 and collet 8 to measured motor 14, so as to guarantee that collet treats measured motor 14
The clamping stability of axis 41.
Wherein, collet 8 includes first segment axis 3, second segment axis 2 and third section axis 1, and the outer diameter of first segment axis 3 is greater than second
The outer diameter of section axis 2, the outer diameter of third section axis 1 are greater than the outer diameter of second segment axis 2, offer slit 6 in the radial direction of first segment axis 3.
The inside of collet sleeve 37 is equipped with the accommodating cavity 38 for accommodating collet 8.Whole first segment axis 3 is in inverted cone-shaped structure, accommodating cavity 38
Top 39 be in reverse taper hole, first segment axis 3 is adapted with the top 39 of accommodating cavity 38.In this case, due to collet sleeve
37 be in reverse taper hole, and the whole first end axis 3 of collet 8 is in inverted cone-shaped structure, as collet 8 can be downward relative to collet sleeve 37
Movement, the internal diameter of accommodating cavity 38 are gradually reduced, and the width of slit 6 is also gradually reduced, until hold the axis 41 to measured motor 14 tightly,
In this case, collet 8 treats the clamping simplicity of the axis of measured motor 14.
Wherein, slit 6 extends to second segment axis 2 from first segment axis 3.In this case, due to the length of slit 6
It is larger, can be avoided collet 8 due to local stress it is larger caused by damage, can be improved the service life of collet 8.
Wherein, the end of slit 6 is provided with stress hole 5.In this case, though the stress received at slit 6 compared with
Greatly, also stress can be reduced by stress hole 5 to concentrate, survey to improve DC brushless motor provided by the embodiment of the utility model
The application stability that trial assembly is set.
Wherein, lever central offers perforating 43, and collet sleeve 37 is arranged in perforating 43, lever 35 and collet sleeve 37
Between tight fit.In this case, it can guarantee the rigid connection intensity between lever 35 and collet sleeve 37.
Wherein, DC brushless motor test device provided by the embodiment of the utility model further includes elastomeric element 36.Collet
The diameter of 37 pedestal 50 of set is greater than the outer diameter of elastomeric element 36, and the diameter at the top of collet sleeve 37 is greater than elastomeric element 36
Outer diameter, elastomeric element 36 is resisted against between the pedestal 50 of collet sleeve 37 and the top of collet sleeve 37, and when unloaded, elastomeric element 36 is in
Compressive state.In this case, elastomeric element 36 can apply upward elastic force to collet sleeve 37, can ensure collet
The supporting force of 37 pairs of collets 8 is covered, and then guarantees that collet 8 treats embracing for the axis 1 of measured motor 14 and presss from both sides stability.
Wherein, DC brushless motor test device provided by the embodiment of the utility model further includes power outlet the 29, the 5th
Telescoping mechanism 21, attaching plug 26 and block part 25.Power outlet 29 is L-shaped, and attaching plug 26 is fixedly connected on power supply and inserts
For seat 29 wherein on the outer wall of one side 27, the fixing end of the 5th telescoping mechanism 21 is fixedly connected on the outer of 29 another side 28 of power outlet
On wall；One end 23 of block part 25 is fixedly connected on the free end 22 of the 5th telescoping mechanism 21, and the other end 24 of block part 25 is set
It is placed in the side of attaching plug 26, when 22 stretching motion of free end of telescoping mechanism 21, block part 25 can be by attaching plug
26 flick.In this case, after the completion of test, power supply can be automatically springed open by the control to the 5th telescoping mechanism 21 and is inserted
First 26, it is therefore not necessary to plug attaching plug 26 manually.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of DC brushless motor test device, which is characterized in that including the first rack (16), motor hugging (15), briquetting
(10) and clamp system,
It is provided with first through hole (40) on first rack (16), the motor hugging (15) is fixedly connected on first machine
The upper surface of frame (16), and the first through hole (40) is made to be in the center of the motor hugging (15), the electricity
The inner cavity of machine hugging (15) is adapted with the shell to measured motor (14), and the brushless motor will be loaded onto measured motor (14) and is surveyed
When trial assembly is set, the shell to measured motor (14) can be embedded in the inner cavity of the motor hugging (15), also, to measured motor
(14) axis (41) can be arranged in the first through hole (40)；
The briquetting (10) can treat measured motor (14) from the top (13) to measured motor (14) and apply downward active force；Institute
Axis (41) of the active force holding to measured motor (14) can be applied from the bottom to measured motor (14) by stating clamp system.
2. DC brushless motor test device according to claim 1, which is characterized in that further include the first telescoping mechanism
(42) and the first connector (9),
First rack (16) be equipped with the second through-hole (46), the free end (31) of first telescoping mechanism (42) with it is described
Second through-hole (46) clearance fit；
One end of first connector (9) is fixedly connected on the free end (31) of first telescoping mechanism (42), and described
The other end of a connection piece (9) is fixedly connected on the briquetting (10).
3. DC brushless motor test device according to claim 2, which is characterized in that further include the first feed rod (11) and
Second feed rod (12),
Third through-hole (47) and fourth hole (48) are additionally provided on first rack (16), first feed rod (11) passes through institute
It states third through-hole (47) and first rack (16) constitutes sliding pair, second feed rod (12) passes through the fourth hole
(48) sliding pair is constituted with first rack (16)；
The upper end of first feed rod (11) is fixedly connected on first connector (9), the upper end of second feed rod (12)
It is fixedly connected on first connector (9).
4. DC brushless motor test device according to claim 1, which is characterized in that the clamp system includes second
Rack (18), the second telescoping mechanism (19), third telescoping mechanism (20), the second connector (30), the 4th telescoping mechanism (17), thick stick
Bar (35), collet sleeve (37), collet (8) and third connector (49),
The third connector (49) is fixedly connected on first rack (16),
The fixing end of second telescoping mechanism (19), the fixing end of third telescoping mechanism (20) are respectively fixedly connected in described
Three connectors (49), the free end (33) of second telescoping mechanism (19), the free end (32) of third telescoping mechanism (20) are divided
It is not fixedly connected on second rack (18)；
One end of second connector (30) is fixedly connected on second rack (18), second connector (30) it is another
One end is articulated with one end of the lever (35)；
The fixing end of 4th telescoping mechanism (17) is articulated with second rack (18), the 4th telescoping mechanism (17)
Free end (34) is articulated with the other end of the lever (35)；
The collet sleeve (37) is articulated with the centre of the lever (35)；
The collet (8) is placed in the collet sleeve (37), and the collet (8) can hold the axis to measured motor (14) tightly
(41)。
5. DC brushless motor test device according to claim 4, which is characterized in that
The collet (8) includes first segment axis (3), second segment axis (2) and third section axis (1), the outer diameter of the first segment axis (3)
Greater than the outer diameter of the second segment axis (2), the outer diameter of the third section axis (1) is greater than the outer diameter of the second segment axis (2), in institute
The radial direction for stating first segment axis (3) offers slit (6)；
The inside of the collet sleeve (37) is equipped with the accommodating cavity (38) for accommodating the collet (8)；
The first segment axis (3) is integrally in inverted cone-shaped structure, and the top (39) of the accommodating cavity (38) is in reverse taper hole, and described the
One section of axis (3) is adapted with the top (39) of the accommodating cavity (38).
6. DC brushless motor test device according to claim 5, which is characterized in that the slit (6) is from described
One section of axis (3) extends to the second segment axis (2).
7. DC brushless motor test device according to claim 6, which is characterized in that in the end of the slit (6)
It is provided with stress hole (5).
8. DC brushless motor test device according to claim 4, which is characterized in that
The lever central offers perforating (43), and the collet sleeve (37) is arranged in the perforating (43), the thick stick
Tight fit between bar (35) and the collet sleeve (37).
9. DC brushless motor test device according to claim 8, which is characterized in that it further include elastomeric element (36),
The diameter of the pedestal (50) of (37) of the collet sleeve is greater than the outer diameter of the elastomeric element (36), the collet sleeve (37)
The diameter at top be greater than the outer diameter of the elastomeric element (36), the elastomeric element (36) is resisted against the collet sleeve (37)
Between pedestal (50) and the top of the collet sleeve (37), when unloaded, the elastomeric element (36) is in compressive state.
10. DC brushless motor test device according to claim 1, which is characterized in that further include power outlet (29),
5th telescoping mechanism (21), attaching plug (26) and block part (25),
The power outlet (29) is L-shaped, and the attaching plug (26) is fixedly connected on the power outlet (29) wherein one
On the outer wall in face (27), the fixing end of the 5th telescoping mechanism (21) is fixedly connected on the power outlet (29) another side
(28) on outer wall；
One end (23) of the block part (25) is fixedly connected on the free end (22) of the 5th telescoping mechanism (21), the card
The other end (24) of block piece (25) is set to the side of the attaching plug (26), when the free end of the telescoping mechanism (21)
(22) when stretching motion, the block part (25) can flick the attaching plug (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625520.5U CN208125896U (en) | 2018-04-28 | 2018-04-28 | DC brushless motor test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625520.5U CN208125896U (en) | 2018-04-28 | 2018-04-28 | DC brushless motor test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125896U true CN208125896U (en) | 2018-11-20 |
Family
ID=64187715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820625520.5U Active CN208125896U (en) | 2018-04-28 | 2018-04-28 | DC brushless motor test device |
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| Country | Link |
|---|---|
| CN (1) | CN208125896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881907A (en) * | 2021-01-13 | 2021-06-01 | 秦素云 | Test tool structure capable of simulating load operation of motor |
-
2018
- 2018-04-28 CN CN201820625520.5U patent/CN208125896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881907A (en) * | 2021-01-13 | 2021-06-01 | 秦素云 | Test tool structure capable of simulating load operation of motor |
| CN112881907B (en) * | 2021-01-13 | 2024-04-30 | 浙江精创工具有限公司 | Test fixture structure capable of simulating load operation of motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |