CN210401543U - Comprehensive testing experiment table for rotary transformer - Google Patents
Comprehensive testing experiment table for rotary transformer Download PDFInfo
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- CN210401543U CN210401543U CN201920811261.XU CN201920811261U CN210401543U CN 210401543 U CN210401543 U CN 210401543U CN 201920811261 U CN201920811261 U CN 201920811261U CN 210401543 U CN210401543 U CN 210401543U
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000002474 experimental method Methods 0.000 title claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000010998 test method Methods 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a rotary transformer comprehensive testing experiment platform, its performance test who is applicable to the rotary transformer of different models, simultaneously through the axial mounted position of adjustable rotary transformer rotor, can realize the rotary transformer measurement accuracy contrast under the different axial deviations, it makes whole test procedure labour saving and time saving. The motor shaft is provided with a radial inward-concave step groove from one end close to the driving motor to a plurality of layers of step grooves with gradually reduced diameters from one end far away from the driving motor, and the inner end of the transfer shaft is sleeved in the spline structure through the spline grooves.
Description
Technical Field
The utility model relates to a technical field of motor test specifically is a rotary transformer integrated test laboratory bench.
Background
The rotary transformer is a precise angle, position and speed detection device. In the new energy automobile industry, a rotary transformer is often used for measuring the rotation angle and the speed of a motor. The general structure of the rotary transformer is similar to a small winding type motor and mainly comprises a rotary transformer stator and a rotary transformer rotor. In the process of closed-loop control of the rotating speed of the motor, the rotary transformer is an important component for ensuring normal operation and troubleshooting of the motor, so that before the rotary transformer is installed on the motor and put into use, the function and performance of the rotary transformer need to be detected; in addition, the axial installation accuracy of the resolver stator and the resolver rotor has a certain influence on the performance of the resolver, and therefore, it is necessary to detect the performance of the resolver under different axial deviations to determine the installation accuracy thereof.
The existing testing device has the advantages that each device can only set fixed axial deviation for rotary transformers of the same model, so that corresponding tests are completed on different testing devices by installing the rotary transformer stator and the rotary transformer rotor when a whole set of tests are carried out, the whole testing process is time-consuming and labor-consuming, and a large amount of space is occupied.
Disclosure of Invention
To the problem, the utility model provides a rotary transformer integrated test laboratory bench, its capability test who is applicable to the rotary transformer of different models, simultaneously through the axial mounted position of adjustable rotary transformer rotor, can realize the rotary transformer measurement accuracy contrast under the different axial deviations, it makes whole test procedure labour saving and time saving.
The utility model provides a resolver integrated test laboratory bench which characterized in that: which comprises a base mounting plate, wherein a vertical clapboard is arranged on the base mounting plate, a driving motor is fixedly arranged on one side of the base mounting plate, which is positioned on the vertical clapboard, a motor shaft of the driving motor is arranged towards the vertical clapboard, an avoidance hole is arranged at the position of the vertical clapboard corresponding to the motor shaft, the axial outer ring surface of the exposed part of the motor shaft after penetrating through the avoidance hole is provided with a spline structure, the motor shaft is provided with a radial inward concave step groove corresponding to the inner end ring surface part of the spline structure, the radial inward-concave stepped grooves form a plurality of layers of stepped grooves with diameters gradually reduced from one end close to the driving motor to the end far away from the driving motor, the inner end of the transfer shaft is sleeved in the spline structure through the spline grooves, the elastic washers with corresponding specifications are selected and clamped at the corresponding positions of the stepped grooves, the inner end of the transfer shaft is axially positioned and connected to the position, corresponding to the elastic washer group, of the motor shaft; the outer end anchor ring of change-over spindle is provided with the rotary transformer rotor positioning ring groove, rotary transformer rotor solid cover in rotary transformer rotor positioning ring groove, perpendicularly to having arranged the ring cloth locating hole of the different diameters of a plurality of groups on the baffle, every group encircles the cloth locating hole and all uses the center of dodging the hole to set up as the centre of a circle, and at least two sets of movable blocks are fixed a position respectively and are adorned in the ring cloth locating hole of corresponding group admittedly, and the movable block perpendicular to perpendicularly to the baffle arranges, keeping away from of movable block the outer terminal surface of perpendicular to the baffle passes through the corresponding radial position of bolt rigid coupling rotary transformer stator, driving motor is external to have the controller, rotary transformer stator is external to have oscilloscope.
It is further characterized in that:
the elastic gasket group comprises a first elastic gasket for axial end face positioning and a second elastic gasket for axial fixing position, the inner end face of the transfer shaft is arranged in a manner of being tightly attached to the corresponding end face of the first elastic gasket on the outermost side, the inner ring wall of the inner end face of the transfer shaft is tightly attached to the outer ring face of the second elastic gasket corresponding to the inner ring, the protruding length of the transfer shaft relative to the other side face of the vertical partition plate is controlled, and the transfer shaft is ensured not to generate axial displacement in the rotating process;
the movable blocks comprise three movable blocks, each movable block comprises a boss main body and a fixing plate, one end of the boss main body in the length direction is the fixing plate, the end face of the other end of the boss main body in the length direction is a fixing end face of the rotary transformer stator, the fixing plates are respectively provided with mounting through holes corresponding to two sides of the boss main body, the mounting through holes are fixedly connected with the annularly distributed positioning holes in the corresponding radial positions through bolts, bolt holes are formed in the fixing end faces of the rotary transformer stators, and the rotary transformer stators are fixedly arranged in the bolt holes in the boss main body through the bolts, so that the rotary transformer stators are fixed;
a convex stop block is arranged on the fixedly-connected end face of the rotary transformer stator of the boss main body corresponding to the radial outer side of the rotary transformer stator, and the inner side face of the convex stop block is a plane so as to meet the radial positioning of the rotary transformer stators with different outer diameters;
the outer end face of the rotary connecting shaft is provided with a central bolt hole, the rotary rotor is sleeved on a rotary rotor positioning ring groove of the rotary connecting shaft, a rotary baffle plate is attached to the axial outer end face of the rotary rotor in a pressing mode, and a pressing attachment bolt penetrates through the rotary baffle plate and then is connected with the central bolt hole to ensure that the rotary rotor is fixed;
the avoidance hole comprises an inner end small-diameter hole and an outer end large-diameter hole, the inner end small-diameter hole is used for being positioned and penetrating through the motor shaft, and the outer end large-diameter hole is arranged corresponding to the radial inward concave step groove, so that the elastic washer group is convenient and quick to replace;
the position of each pair of positioning holes corresponding to each group of annularly-distributed positioning holes with different diameters is provided with two positioning mounting holes with equal intervals, and the interval between the two positioning mounting holes is the interval between the two mounting through holes of each movable block, so that the universality of the movable blocks is ensured;
three movable blocks are needed for installation of each rotary transformer stator, and all the movable blocks are the same movable blocks, so that the universality is ensured;
the driving motor is also provided with a motor base which is fixedly arranged at the corresponding position of the base mounting plate;
the base mounting plate and the vertical partition plate are combined to form a vertical inverted T-shaped mounting plate.
After the structure of the utility model is adopted, the rotary transformer stator is arranged on the vertical baffle plate through a plurality of movable blocks, the vertical baffle plate is provided with ring distribution positioning holes with different diameters, so that the vertical baffle plate can be suitable for the rotary transformer stators with different models through the movable blocks, the rotary transformer rotor is fixedly sleeved on the rotary connecting shaft, the driving machine realizes the operation with different rotating speeds through the controller, the oscilloscope collects the output signals of the rotary transformer stator of the rotary transformer and analyzes the output signals, thereby testing the performance and the precision of the rotary transformer under different rotating speeds, because the ring surface part of the motor shaft corresponding to the inner end of the spline structure is provided with the radial inward-concave step groove, the radial inward-concave step groove forms a plurality of layers of step grooves with gradually reduced diameters from one end close to the driving motor to the end far away from the driving motor end, the inner end of the rotary connecting shaft is sleeved on the spline structure through the spline groove, the outward protruding length of the adapting shaft relative to the other side surface of the vertical partition plate is controlled, the adapting shaft is ensured not to generate axial displacement in the rotating process, and the measurement precision comparison of rotary transformers under different axial deviations is realized; in conclusion, the testing device is suitable for performance testing of rotary transformers of different models, and meanwhile, the axial installation positions of the rotary transformer rotors can be adjusted, so that the measurement accuracy comparison of the rotary transformers under different axial deviations can be realized, and the whole testing process is time-saving and labor-saving.
Drawings
Fig. 1 is a schematic structural view of a perspective view of the present invention (without a rotary transformer installed);
fig. 2 is a schematic perspective view of the present invention (with a resolver installed);
FIG. 3 is a front view cross-sectional structural schematic of FIG. 2;
FIG. 4 is a schematic right side view of the structure of FIG. 1;
FIG. 5 is a schematic right side view of the structure of FIG. 2;
FIG. 6 is a schematic perspective view of three movable blocks combined to form a structure for mounting a rotary transformer stator;
FIG. 7 is an enlarged view of a portion of FIG. 3A;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a base mounting plate 1, a vertical partition plate 2, a driving motor 3, a motor base 31, an avoidance hole 4, an inner end small-diameter hole 41, an outer end large-diameter hole 42, a motor shaft 5, a key structure 51, a radial inward concave stepped groove 52, a stepped groove 521, an adapter shaft 6, a rotary transformer rotor positioning ring groove 61, a central bolt hole 62, an elastic gasket group 7, a first elastic gasket 71, a second elastic gasket 72, a rotary transformer 8, a positioning hole 9, a positioning mounting hole 91, a movable block 10, a boss main body 101, a fixing plate 102, a rotary transformer stator fixing end face 103, a bolt hole 104, an outward convex stopper 105, a rotary transformer 11, a controller 12, an oscilloscope 13, a mounting through hole 14, a rotary transformer baffle 15 and a pressure attachment bolt 16.
Detailed Description
A comprehensive testing experiment table for rotary transformers is shown in figures 1-6: the automatic switching device comprises a base mounting plate 1, wherein a vertical partition plate 2 is arranged on the base mounting plate 1, a driving motor 3 is fixedly arranged on one side, located on the vertical partition plate 2, of the base mounting plate 1, a motor shaft 5 of the driving motor 3 is arranged towards the vertical partition plate 2, an avoidance hole 4 is formed in the position, corresponding to the motor shaft 5, of the vertical partition plate 2, a spline structure 51 is arranged on an axial outer ring surface of an exposed part of the motor shaft 5 after penetrating through the avoidance hole 4, a radial inward-concave stepped groove 52 is formed in the ring surface part, corresponding to the inner end of the spline structure 51, of the motor shaft 5, the radial inward-concave stepped groove 52 is formed in a plurality of layers of stepped grooves 521 with diameters gradually reduced from one end close to the driving motor 3 to the end far away from the driving motor end, the inner end of a switching shaft 6 is sleeved on the spline structure 51 through the spline grooves, an elastic washer group 7 with a corresponding specification is; the outer end ring surface of the rotary joint shaft 6 is provided with a rotary transformer rotor positioning ring groove 61, a rotary transformer rotor 8 is fixedly sleeved on the rotary transformer rotor positioning ring groove 61, a plurality of groups of ring distribution positioning holes 9 with different diameters are arranged on the vertical partition plate 2, each group of ring distribution positioning holes 9 is arranged by taking the center of the avoidance hole 4 as the center of a circle, at least two groups of movable blocks 10 are fixedly positioned on the corresponding groups of ring distribution positioning holes 9 respectively, the movable blocks 10 are arranged perpendicular to the vertical partition plate 2, the outer end surface of each movable block 10, far away from the vertical partition plate 2, is fixedly connected with the corresponding radial position of the rotary transformer stator 11 through bolts, the driving motor 3 is externally connected with a controller 12, and the rotary transformer stator 11 is externally connected with an.
The elastic washer group 7 comprises a first elastic washer 71 for axial end face positioning and a second elastic washer 72 for axial fixing position, the inner end face of the adapter shaft 6 is arranged to be tightly attached to the corresponding end face of the outermost first elastic washer 71, the inner ring wall of the inner end face of the adapter shaft 6 is tightly attached to the outer ring face of the second elastic washer 72 corresponding to the inner ring, the protruding length of the adapter shaft 6 relative to the other side face of the vertical partition plate 2 is controlled, and the adapter shaft 6 is ensured not to generate axial displacement in the rotating process;
the number of the movable blocks 10 is three, each movable block 10 comprises a boss main body 101 and a fixing plate 102, one end of the boss main body 101 in the length direction is the fixing plate 102, the end face of the other end of the boss main body 101 in the length direction is a spiral transformer stator fixing end face 103, mounting through holes 14 are respectively formed in the fixing plate 102 corresponding to two sides of the boss main body 101, the mounting through holes 14 are fixedly connected with positioning holes 9 which are distributed on the ring in the corresponding radial position through bolts, bolt holes 104 are formed in the spiral transformer stator fixing end face 103, and the spiral transformer stator 11 is fixedly arranged in the bolt holes 104 in the boss main body 101 through the bolts so as to fix the spiral transformer stator 11;
a convex stop 105 is arranged on the fixed end surface 103 of the rotary transformer stator of the boss main body 101 corresponding to the radial outer side of the rotary transformer stator 11, and the inner side surface of the convex stop 105 is a plane so as to meet the radial positioning of the rotary transformer stators 11 with different outer diameters;
a central bolt hole 62 is formed in the outer end face of the rotary connecting shaft 6, the rotary transformer rotor 8 is sleeved on a rotary transformer positioning ring groove 61 of the rotary connecting shaft 6, the rotary transformer baffle plate 15 is attached to the outer end face of the rotary transformer rotor 8 in a pressing mode in the axial direction, and the pressing attachment bolt 16 penetrates through the rotary transformer baffle plate 15 and then is connected with the central bolt hole 62 to ensure that the rotary transformer rotor 8 is fixed;
the avoiding hole 4 comprises an inner end small-diameter hole 41 and an outer end large-diameter hole 42, the inner end small-diameter hole 41 is used for positioning and penetrating through the motor shaft 5, and the outer end large-diameter hole 42 is arranged corresponding to the radial inward concave step groove 52, so that the elastic washer group 7 is convenient and quick to replace;
two positioning mounting holes 91 with equal intervals are arranged at the position of each pair of positioning holes corresponding to each group of annularly-distributed positioning holes 9 with different diameters, the interval between the two positioning mounting holes 91 is the interval between the two mounting through holes 14 of each movable block 10, and the universality of the movable blocks 10 is ensured;
three movable blocks 10 are needed for installation of each rotary transformer stator 11, and all the movable blocks 10 are the same movable blocks, so that the universality is ensured;
the driving motor 3 is also provided with a motor base 31, and the motor base 31 is fixedly arranged at the corresponding position of the base mounting plate 1;
the base mounting plate 1 and the vertical partition plate 2 are combined to form a vertical inverted T-shaped mounting plate.
The working principle is as follows: the rotary transformer stator is arranged on a vertical clapboard through a plurality of movable blocks, the vertical clapboard is provided with ring distribution positioning holes with different diameters, so that the vertical clapboard can be suitable for rotary transformer stators with different models through the movable blocks, the rotary transformer rotor is fixedly sleeved on a rotary connecting shaft, a driving machine realizes different rotating speed operation through a controller, an oscilloscope collects output signals of the rotary transformer stator of the rotary transformer and analyzes the output signals, thereby testing the performance and the precision of the rotary transformer under different rotating speeds, because a motor shaft is provided with a radial inward concave step groove corresponding to the ring surface part of the inner end of a spline structure, the radial inward concave step groove forms a plurality of layers of step grooves with gradually reduced diameters from one end close to the driving motor to the end far away from the driving motor, the inner end of the rotary connecting shaft is sleeved on the spline structure through the spline grooves, and an elastic washer group with corresponding specifications is selected to be, the outward protruding length of the adapting shaft relative to the other side surface of the vertical partition plate is controlled, the adapting shaft is ensured not to generate axial displacement in the rotating process, and the measurement precision comparison of rotary transformers under different axial deviations is realized; in conclusion, the testing device is suitable for performance testing of rotary transformers of different models, and meanwhile, the axial installation positions of the rotary transformer rotors can be adjusted, so that the measurement accuracy comparison of the rotary transformers under different axial deviations can be realized, and the whole testing process is time-saving and labor-saving.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a resolver integrated test laboratory bench which characterized in that: which comprises a base mounting plate, wherein a vertical clapboard is arranged on the base mounting plate, a driving motor is fixedly arranged on one side of the base mounting plate, which is positioned on the vertical clapboard, a motor shaft of the driving motor is arranged towards the vertical clapboard, an avoidance hole is arranged at the position of the vertical clapboard corresponding to the motor shaft, the axial outer ring surface of the exposed part of the motor shaft after penetrating through the avoidance hole is provided with a spline structure, the motor shaft is provided with a radial inward concave step groove corresponding to the inner end ring surface part of the spline structure, the radial inward-concave stepped grooves form a plurality of layers of stepped grooves with diameters gradually reduced from one end close to the driving motor to the end far away from the driving motor, the inner end of the transfer shaft is sleeved in the spline structure through the spline grooves, the elastic washers with corresponding specifications are selected and clamped at the corresponding positions of the stepped grooves, the inner end of the transfer shaft is axially positioned and connected to the position, corresponding to the elastic washer group, of the motor shaft; the outer end anchor ring of change-over spindle is provided with the rotary transformer rotor positioning ring groove, rotary transformer rotor solid cover in rotary transformer rotor positioning ring groove, perpendicularly to having arranged the ring cloth locating hole of the different diameters of a plurality of groups on the baffle, every group encircles the cloth locating hole and all uses the center of dodging the hole to set up as the centre of a circle, and at least two sets of movable blocks are fixed a position respectively and are adorned in the ring cloth locating hole of corresponding group admittedly, and the movable block perpendicular to perpendicularly to the baffle arranges, keeping away from of movable block the outer terminal surface of perpendicular to the baffle passes through the corresponding radial position of bolt rigid coupling rotary transformer stator, driving motor is external to have the controller, rotary transformer stator is external to have oscilloscope.
2. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the elastic gasket set comprises a first elastic gasket for axial end face positioning and a second elastic gasket for axial fixing position, the inner end face of the transfer shaft is arranged in a manner of being tightly attached to the corresponding end face of the first elastic gasket on the outermost side, the inner ring wall of the inner end face of the transfer shaft is tightly attached to the outer ring face of the second elastic gasket corresponding to the inner ring, the protruding length of the transfer shaft relative to the other side face of the vertical partition plate is controlled, and the transfer shaft is ensured not to generate axial displacement in the rotating process.
3. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the movable block is including three, and every movable block includes boss main part, solid mounting plate, the length direction's of boss main part one end is for adorning the board admittedly, the terminal surface of the length direction other end of boss main part is the fixed terminal surface that connects of changeing the stator soon, solid mounting plate corresponding to the both sides of boss main part are provided with the mounting hole respectively, the mounting hole passes through the bolt rigid coupling and corresponds radial position the ring cloth locating hole, be provided with the bolt hole on the fixed terminal surface of changeing the stator soon, the bolt will change the stator soon and adorn in bolt hole in the boss main part to the fixed stator that changes soon.
4. A resolver comprehensive test laboratory table according to claim 3, characterized in that: and a convex stop block is arranged on the fixedly-connected end face of the rotary transformer stator of the boss main body corresponding to the radial outer side of the rotary transformer stator, and the inner side face of the convex stop block is a plane.
5. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the outer end face of the rotary connecting shaft is provided with a central bolt hole, the rotary transformer rotor is sleeved on the rotary transformer rotor positioning ring groove of the rotary connecting shaft, the rotary transformer baffle is attached to the outer axial end face of the rotary transformer rotor in a pressing mode, and the pressing attachment bolt penetrates through the rotary transformer baffle and then is connected with the central bolt hole.
6. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the avoiding hole comprises an inner small-diameter hole and an outer large-diameter hole, the inner small-diameter hole is used for being positioned and penetrating through the motor shaft, and the outer large-diameter hole corresponds to the radial inwards-concave step groove.
7. A resolver comprehensive test laboratory table according to claim 3, characterized in that: every position of every pair of locating hole that every group of ring cloth locating hole of different diameters corresponds all is provided with two location mounting holes of equidistant, and the interval of two location mounting holes is the interval between two installation through-holes of every movable block.
8. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the installation of each rotary transformer stator needs three movable blocks, and all the movable blocks are the same movable blocks.
9. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the driving motor is further provided with a motor base, and the motor base is fixedly arranged at the corresponding position of the base mounting plate.
10. The comprehensive testing experiment table for the rotary transformer of claim 1, characterized in that: the base mounting plate and the vertical partition plate are combined to form a vertical inverted T-shaped mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811261.XU CN210401543U (en) | 2019-05-31 | 2019-05-31 | Comprehensive testing experiment table for rotary transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811261.XU CN210401543U (en) | 2019-05-31 | 2019-05-31 | Comprehensive testing experiment table for rotary transformer |
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| Publication Number | Publication Date |
|---|---|
| CN210401543U true CN210401543U (en) | 2020-04-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920811261.XU Withdrawn - After Issue CN210401543U (en) | 2019-05-31 | 2019-05-31 | Comprehensive testing experiment table for rotary transformer |
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| Country | Link |
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| CN (1) | CN210401543U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109014A (en) * | 2019-05-31 | 2019-08-09 | 苏州绿控传动科技股份有限公司 | A kind of rotary transformer integration test experimental bench |
| CN113153735A (en) * | 2021-05-20 | 2021-07-23 | 江苏南沃液压科技有限公司 | Test fixing structure for gear pump and mounting method thereof |
| CN110109014B (en) * | 2019-05-31 | 2024-04-26 | 苏州绿控传动科技股份有限公司 | Comprehensive testing experiment table for rotary transformer |
-
2019
- 2019-05-31 CN CN201920811261.XU patent/CN210401543U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109014A (en) * | 2019-05-31 | 2019-08-09 | 苏州绿控传动科技股份有限公司 | A kind of rotary transformer integration test experimental bench |
| CN110109014B (en) * | 2019-05-31 | 2024-04-26 | 苏州绿控传动科技股份有限公司 | Comprehensive testing experiment table for rotary transformer |
| CN113153735A (en) * | 2021-05-20 | 2021-07-23 | 江苏南沃液压科技有限公司 | Test fixing structure for gear pump and mounting method thereof |
| CN113153735B (en) * | 2021-05-20 | 2023-05-26 | 镇江沃尔夫重工部件有限公司 | Test fixing structure for gear pump and installation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200424 Effective date of abandoning: 20240426 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200424 Effective date of abandoning: 20240426 |