CN110017928B - Automatic clamp for testing motor torque of stepping motor - Google Patents
Automatic clamp for testing motor torque of stepping motor Download PDFInfo
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- CN110017928B CN110017928B CN201910286715.0A CN201910286715A CN110017928B CN 110017928 B CN110017928 B CN 110017928B CN 201910286715 A CN201910286715 A CN 201910286715A CN 110017928 B CN110017928 B CN 110017928B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
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Abstract
The invention discloses an automatic clamp for testing the torque of a motor by a stepping motor, which comprises a connecting cylinder and a cylinder seat, wherein the center of the front end of the connecting cylinder is provided with a circular groove, a one-way bearing is arranged in the groove of the circular groove and is superposed with the central axis of the circular groove, the outer cambered surface of the circular groove is provided with a first clamping structure, the automatic fixture for testing the motor torque of the stepping motor meets the connection of rotating shafts with different standard sizes, can be used universally without replacement, reduces the work burden of personnel, the unidirectional bearings with different sizes are placed in the circular groove, the rotating shafts with different sizes of the stepping motor to be detected are fixedly installed through the first clamping structure, the rapid and firm installation of the clamp and an external torque instrument is realized through the inserting structure and the second clamping structure, the torque detection quality is guaranteed, resources are saved, and the service efficiency of the automatic clamp for testing the motor torque of the stepping motor is improved.
Description
Technical Field
The invention relates to the technical field of test fixtures, in particular to an automatic fixture for testing the torque of a motor by a stepping motor.
Background
After the assembly of the stepping motor is completed, the moment of the stepping motor needs to be monitored, and the stepping motor is locked after being electrified, then the clamp and the torque instrument are sleeved and rotated, the torque when the torque instrument rotates is read, namely the torque of the stepping motor, but the torque clamp is a sleeved joint with a circular gap, if the motor shaft is of a standard diameter but the gap is not standard, the torque clamp needs to be replaced again, time and labor are wasted, resource waste is serious, the connection of rotating shafts with different standard sizes cannot be met, the workload of personnel is increased invisibly, the installation of the rotating shafts with different sizes of the stepping motor to be detected is inconvenient, the fixation of the connecting part is not firm enough, the torque detection quality is difficult to ensure, the use efficiency of the automatic torque clamp for the stepping motor test is low, therefore, the realization of the automatic fixture for testing the motor torque of the stepping motor, which can solve the problems, is imperative.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide an automatic fixture for testing the motor torque of the stepping motor, which meets the connection of rotating shafts with different standard sizes, is universal and does not need to be replaced, the work load of personnel is reduced, the mounting and fixing of the rotating shafts with different sizes of the stepping motor to be detected are realized through a first clamping structure by placing one-way bearings with different sizes in a circular groove, the rapid and firm mounting of the fixture and an external torque instrument is realized through a splicing structure and a second clamping structure, the torque detection quality is ensured, the resources are saved, the use efficiency of the automatic fixture for testing the motor torque of the stepping motor is improved, and the problems in the background technology can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic clamp for testing the torque of a motor of a stepping motor comprises a connecting cylinder and a cylinder seat, wherein a circular groove is arranged at the center of the front end of the connecting cylinder, a one-way bearing is placed in the groove of the circular groove and is coincided with the central axis of the circular groove, a first clamping structure is arranged on the outer side arc surface of the circular groove, two symmetrically distributed slots are arranged on the inner wall of an inner ring plate of the one-way bearing and are spliced with a cutting, the inner side surface of the cutting is fixedly connected with the outer surface of a rotating shaft of the motor, the central axis of the rotating shaft of the motor is parallel to the cutting, a splicing structure is arranged at the rear end of the connecting cylinder, a second clamping structure is arranged in three uniformly distributed threaded through holes of the outer arc surface of the cylinder seat, the bottom end of a fixing screw rod in the second clamping structure extends into a triangular slot and is spliced with a fixing groove, the edge of the front side surface of the round mounting plate is provided with fixing threaded holes which are uniformly distributed.
As a preferred technical scheme of the invention, the first clamping structure comprises a screw rod in threaded connection with a threaded hole on the outer arc surface of the circular groove, a pressure column is arranged at the bottom end of the screw rod, six uniformly distributed circular pressure grooves are formed in an outer ring piece of the one-way bearing, the bottom end of the pressure column is in contact connection with the inner bottom surface of the circular pressure groove, a knob is arranged at the upper end of the screw rod, the one-way bearings with different sizes are placed in the circular groove, the knob is rotated, and the bottom end of the pressure column is tightly fixed on the bottom end of the circular pressure groove on the outer arc surface of the one-way bearing due to the threaded connection of the screw rod and the threaded hole of the arc surface of the connecting cylinder.
According to a preferred technical scheme, the inserting structure comprises a positioning plate fixedly connected with the center of the rear surface of the connecting cylinder, a triangular inserting plate is arranged at the center of the rear side of the positioning plate, fixing grooves which are uniformly distributed are formed in the side face of the triangular inserting plate, a positioning groove is formed in the center of the front side of the cylindrical seat, a triangular inserting groove is formed in the center of the rear wall in the groove of the positioning groove, the triangular inserting plate is inserted into the triangular inserting groove, and under the action of the positioning plate and the positioning groove, the triangular inserting plate is inserted into the triangular inserting groove to achieve rapid positioning connection.
As a preferred technical scheme of the invention, the second clamping structure comprises a fixing screw rod in threaded connection with a threaded hole in the arc surface on the outer side of the cylindrical seat, and a hexagonal knob is arranged at the upper end of the fixing screw rod, so that clamping and fixing after connection are realized, and the stability of the connection part is ensured.
As a preferable technical scheme of the invention, the diameter of the compression leg is smaller than that of the screw, the length of the compression leg is consistent with the groove height of the circular compression groove, and the diameter of the compression leg is consistent with that of the circular compression groove, so that the clamping reasonability and stability are ensured.
As a preferred technical scheme of the invention, the positioning plate and the positioning groove are correspondingly configured, the length of the triangular inserting plate is consistent with the depth of the triangular inserting groove, and the quick connection of all parts is ensured.
As a preferred technical scheme of the invention, the outer arc surface of the knob is provided with friction grains, so that the friction coefficient is increased, the friction force is increased, and personnel can conveniently apply force to rotate the knob.
Compared with the prior art, the invention has the beneficial effects that: the automatic fixture for testing the motor torque of the stepping motor is characterized in that one-way bearings with different sizes are placed in a circular groove, a knob is rotated, a screw rod is in threaded connection with a cambered surface threaded hole of a connecting cylinder, so that the bottom end of a compression leg is tightly fixed at the bottom end of the circular compression groove on the cambered surface outside the one-way bearing, a triangular insertion plate is inserted into a triangular insertion groove under the action of a positioning plate and a positioning groove, a hexagonal knob is rotated, the bottom end of a fixing screw rod is tightly fixed with a fixing groove due to the threaded connection of the fixing screw rod and the cambered surface threaded hole of a cylindrical seat, so that the tight connection is realized, an insertion strip on a motor rotating shaft is inserted into the insertion groove, the one-way bearing can freely rotate in one direction, and is locked in the other direction, the stepping motor rotates towards the locking direction of the one-way bearing, so as to drive, through outside moment instrument detection moment, satisfied different standard size's pivot and connected, anchor clamps can be general need not change again, have alleviateed personnel's work burden, have guaranteed moment detection quality, have practiced thrift the resource, have promoted the availability factor of step motor test motor moment automation anchor clamps.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the interior of the first clamping structure of the present invention.
In the figure: the device comprises a connecting cylinder 1, a circular groove 2, a one-way bearing 3, a first clamping structure 4, a screw rod 41, a compression leg 42, a circular compression groove 43, a knob 44, a slot 5, a plug 6, a motor rotating shaft 7, an insertion structure 8, a positioning plate 81, a triangular plug board 82, a fixing groove 83, a positioning groove 84, a triangular slot 85, a cylindrical seat 9, a second clamping structure 10, a fixing screw rod 101, a hexagonal knob 102, a circular mounting plate 11, a fixing threaded hole 12 and friction grains 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions:
the first embodiment is as follows: an automatic clamp for testing the torque of a motor of a stepping motor comprises a connecting cylinder 1 and a cylinder seat 9, wherein a circular groove 2 is arranged at the center of the front end of the connecting cylinder 1, a one-way bearing 3 is placed in the groove of the circular groove 2, the central axes of the one-way bearing 3 and the circular groove 2 coincide, a proper one-way bearing 3 is selected according to the diameter of a rotating shaft of the stepping motor to be detected, the selected one-way bearing 3 is placed in the circular groove 2, a first clamping structure 4 is arranged on the outer arc surface of the circular groove 2, two symmetrically distributed slots 5 are arranged on the inner wall of an inner ring of the one-way bearing 3, the slots 5 are inserted with an inserted strip 6, the inner side surface of the inserted strip 6 is fixedly connected with the outer surface of the rotating shaft 7 of the motor, the central axis of the rotating shaft 7 of the motor is arranged in parallel to the inserted strip 6 on the rotating shaft 7 of the motor, and the dead bearing of lock on another direction, step motor operation, motor shaft 7 is rotatory to the dead direction of one-way bearing lock, and then drive cylinder seat 9 and external torque instrument's rotation axis rotation, the rear end of connecting cylinder 1 is equipped with grafting structure 8, be equipped with second clamping structure 10 in the three evenly distributed's of cylinder seat 9 outside cambered surface screw through-hole, the bottom of clamping screw 101 extends to in the triangle slot 85 and pegs graft with fixed slot 83 in the second clamping structure 10, the rear side of cylinder seat 9 is equipped with circular mounting panel 11, the coincidence of the central axis of circular mounting panel 11 and cylinder seat 9, 11 leading flank edge of circular mounting panel is equipped with evenly distributed's fixed screw hole 12, through the bolt with the fixed screw hole 12 on the circular mounting panel 11 and the epaxial screw hole screw thread of rotation in the external torque instrument fixed screw hole 12.
Example two:
the difference between this embodiment and the first embodiment is:
in this embodiment, the first clamping structure 4 includes a screw rod 41 in threaded connection with a threaded hole on the outer arc surface of the circular groove 2, a pressure column 42 is disposed at the bottom end of the screw rod 41, six uniformly distributed circular pressure grooves 43 are disposed on an outer ring plate of the one-way bearing 3, the bottom end of the pressure column 42 is in contact with the inner bottom surface of the circular pressure groove 43, the diameter of the pressure column 42 is smaller than that of the screw rod 41, the length of the pressure column 42 is consistent with the height of the circular pressure groove 43, the diameter of the pressure column 42 is consistent with that of the circular pressure groove 43, a knob 44 is disposed at the upper end of the screw rod 41, and friction grains 13 are disposed on the outer arc surface of.
Specifically, by setting the knob 44 in this way, the bottom end of the pressing column 42 is tightly fixed at the bottom end of the circular pressing groove 43 on the outer arc surface of the one-way bearing 3 by screwing the screw rod 41 with the arc threaded hole of the connecting cylinder 1.
Example three:
the difference between this embodiment and the first embodiment is:
in this embodiment, the inserting structure 8 includes and connects cylinder 1 rear surface center fixed connection's locating plate 81, the rear side center department of locating plate 81 is equipped with triangle picture peg 82, be equipped with evenly distributed's fixed slot 83 on the triangle picture peg 82 side, the front side center department of cylinder seat 9 is equipped with constant head tank 84, the inslot back wall center department of constant head tank 84 is equipped with triangle slot 85, triangle picture peg 82 pegs graft with triangle slot 85, locating plate 81 and constant head tank 84 correspond the configuration setting, the length of triangle picture peg 82 is unanimous with the degree of depth of triangle slot 85, second clamping structure 10 includes with cylinder seat 9 outside cambered surface on screw hole threaded connection's clamping screw 101, the upper end of clamping screw 101 is equipped with hexagonal knob 102.
Specifically, set up like this, under the effect of locating plate 81 and constant head tank 84, peg graft triangle picture peg 82 in triangle slot 85, locating plate 81 and constant head tank 84 laminate airtight completely this moment, fixed slot 83 aligns with the screw thread through-hole on the cambered surface of the cylinder seat 9 outside, rotating hexagonal knob 102, because clamping screw 101 and the cambered surface screw hole threaded connection of cylinder seat 9, extend clamping screw 101 bottom to in the triangle slot 85 and closely fixed with fixed slot 83, realize quick firm the connection.
When in use: according to the diameter of the rotating shaft of the stepping motor to be detected, a proper one-way bearing 3 is selected, the selected one-way bearing 3 is placed in a circular groove 2, a circular pressure groove 43 is aligned with a threaded hole on the outer arc surface of a connecting cylinder 1, a knob 44 is rotated, as a screw rod 41 is in threaded connection with a threaded hole on the arc surface of the connecting cylinder 1, the bottom end of a pressure column 42 is tightly fixed at the bottom end of the circular pressure groove 43 on the outer arc surface of the one-way bearing 3, an inserting strip 6 on a rotating shaft 7 of the motor is inserted into a slot 5, a fixed threaded hole 12 on a circular mounting plate 11 is in threaded connection with a threaded hole on the rotating shaft in an external torque instrument through a bolt, a triangular inserting plate 82 is inserted into a triangular slot 85 under the action of a positioning plate 81 and a positioning groove 84, the positioning plate 81 is completely attached to and sealed with, rotating hexagonal knob 102, because fixing screw 101 and the cambered surface screw hole threaded connection of cylinder seat 9, extend fixing screw 101 bottom to in the triangle slot 85 and closely fixed with fixed slot 83, realize the zonulae occludens of each part, because one-way bearing 3 can free rotation in a direction, and the dead bearing of lock in another direction, step motor operation, motor shaft 7 is rotatory to the dead direction of one-way bearing lock, and then drive cylinder seat 9 and the rotation axis rotation of outside moment instrument, detect moment through outside moment instrument, after finishing using, each structure resumes the original state can.
The invention realizes that the bottom end of a compression leg 42 is tightly fixed at the bottom end of a circular compression groove 43 on the outer cambered surface of the one-way bearing 3 by placing the one-way bearings 3 with different sizes in a circular groove 2 and rotating a knob 44, a triangular insertion plate 83 is inserted in a triangular insertion groove 85 under the action of a positioning plate 81 and a positioning groove 84, a hexagonal knob 102 is rotated, the bottom end of a fixed screw 101 is tightly fixed with the fixed groove 83 due to the threaded connection of the fixed screw 101 and the cambered surface threaded hole of a cylindrical seat 9, so that the tight connection of each part is realized, an insertion strip 6 on a motor rotating shaft 7 is inserted with the insertion groove 5, because the one-way bearing 3 can freely rotate in one direction and is locked in the other direction, a stepping motor operates, the motor rotating shaft 7 rotates towards the locking direction of the one-way bearing, and further drives the cylindrical seat 9 to rotate with a rotating shaft of an external torque instrument, through outside moment instrument detection moment, satisfied different standard size's pivot and connected, anchor clamps can be general need not change again, have alleviateed personnel's work burden, have guaranteed moment detection quality, have practiced thrift the resource, have promoted the availability factor of step motor test motor moment automation anchor clamps.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic anchor clamps of step motor test motor moment, is including connecting cylinder (1) and cylinder seat (9), its characterized in that: the connecting cylinder is characterized in that a circular groove (2) is arranged at the center of the front end of the connecting cylinder (1), a one-way bearing (3) is placed in the circular groove (2), the one-way bearing (3) coincides with the central axis of the circular groove (2), a first clamping structure (4) is arranged on the outer arc surface of the circular groove (2), the first clamping structure (4) comprises a screw rod (41) in threaded connection with a threaded hole in the outer arc surface of the circular groove (2), a pressure column (42) is arranged at the bottom end of the screw rod (41), six uniformly distributed circular pressure grooves (43) are arranged on the outer ring plate of the one-way bearing (3), the bottom end of the pressure column (42) is in contact connection with the inner bottom surface of the circular pressure groove (43), a knob (44) is arranged at the upper end of the screw rod (41), two symmetrically distributed slots (5) are arranged on the inner wall of the inner ring plate of the one-way bearing, outer fixed surface of cutting (6) medial surface and motor shaft (7) is connected, the central axis and the cutting (6) parallel arrangement of motor shaft (7), the rear end of connecting cylinder (1) is equipped with grafting structure (8), grafting structure (8) include fixed slot (83), triangle slot (85), be equipped with second clamping structure (10) in the three evenly distributed's of cylinder seat (9) outside cambered surface screw through hole, the bottom of clamping screw (101) extends to in triangle slot (85) and pegs graft with fixed slot (83) in second clamping structure (10), the rear side of cylinder seat (9) is equipped with circular mounting panel (11), the coincidence of the central axis of circular mounting panel (11) and cylinder seat (9), circular mounting panel (11) leading flank edge is equipped with evenly distributed's fixed screw hole (12).
2. The automatic fixture of stepper motor test motor moment of claim 1, characterized in that: grafting structure (8) include with connection cylinder (1) rear surface center department fixed connection's locating plate (81), the rear side center department of locating plate (81) is equipped with triangle picture peg (82), is equipped with evenly distributed's fixed slot (83) on triangle picture peg (82) side, and the front side center department of cylinder seat (9) is equipped with constant head tank (84), and the inslot back wall center department of constant head tank (84) is equipped with triangle slot (85), and triangle picture peg (82) are pegged graft with triangle slot (85).
3. The automatic fixture of stepper motor test motor moment of claim 1, characterized in that: the second clamping structure (10) comprises a fixing screw rod (101) in threaded connection with a threaded hole in the arc surface on the outer side of the cylindrical seat (9), and a hexagonal knob (102) is arranged at the upper end of the fixing screw rod (101).
4. The automatic fixture of stepper motor test motor moment of claim 1, characterized in that: the diameter of the compression column (42) is smaller than that of the screw (41), the length of the compression column (42) is consistent with the groove height of the circular compression groove (43), and the diameter of the compression column (42) is consistent with that of the circular compression groove (43).
5. The automatic fixture of stepper motor test motor moment of claim 2, characterized in that: the positioning plate (81) and the positioning groove (84) are correspondingly arranged, and the length of the triangular inserting plate (82) is consistent with the depth of the triangular inserting groove (85).
6. The automatic fixture of stepper motor test motor moment of claim 1, characterized in that: and friction grains (13) are arranged on the outer arc surface of the knob (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286715.0A CN110017928B (en) | 2019-04-10 | 2019-04-10 | Automatic clamp for testing motor torque of stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286715.0A CN110017928B (en) | 2019-04-10 | 2019-04-10 | Automatic clamp for testing motor torque of stepping motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110017928A CN110017928A (en) | 2019-07-16 |
| CN110017928B true CN110017928B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286715.0A Active CN110017928B (en) | 2019-04-10 | 2019-04-10 | Automatic clamp for testing motor torque of stepping motor |
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| Country | Link |
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| CN (1) | CN110017928B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097987B (en) * | 2020-09-04 | 2022-03-25 | 江苏理工学院 | Stepping motor magnetic force and friction force ratio detection device and detection method |
| CN112748061A (en) * | 2020-12-22 | 2021-05-04 | 杭州鹏杰机械制造有限公司 | Corrosion resistance detection device and method for prefabricated part for building |
| CN218238761U (en) * | 2022-08-17 | 2023-01-06 | 中擎电机有限公司 | Motor shaft detects auxiliary device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201815691U (en) * | 2010-09-20 | 2011-05-04 | 浙江超力机械工具制造有限公司 | Quick-attaching and detaching drill chuck |
| CN202278455U (en) * | 2011-10-10 | 2012-06-20 | 上海海事大学 | Grinding and clamping device for excircle of rotating shaft without center bore |
| CN202501942U (en) * | 2011-11-07 | 2012-10-24 | 佛山市广顺电器有限公司 | Apparatus for testing motor torque |
| CN204621886U (en) * | 2015-04-02 | 2015-09-09 | 新昌县新剡轴承有限公司 | A kind of adjustable bearing fixture |
| CN206982720U (en) * | 2017-07-07 | 2018-02-09 | 苏州睿达矩自动化设备有限公司 | A kind of mechanism for being used to clamp bearing ring |
| CN107843368A (en) * | 2017-11-03 | 2018-03-27 | 滁州学院 | A kind of economical and practical type stepper motor pull-out torque characteristic automatic testing equipment |
| CN108426660A (en) * | 2018-06-12 | 2018-08-21 | 重庆合聚达智能装备有限公司 | Motor torque test equipment |
-
2019
- 2019-04-10 CN CN201910286715.0A patent/CN110017928B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201815691U (en) * | 2010-09-20 | 2011-05-04 | 浙江超力机械工具制造有限公司 | Quick-attaching and detaching drill chuck |
| CN202278455U (en) * | 2011-10-10 | 2012-06-20 | 上海海事大学 | Grinding and clamping device for excircle of rotating shaft without center bore |
| CN202501942U (en) * | 2011-11-07 | 2012-10-24 | 佛山市广顺电器有限公司 | Apparatus for testing motor torque |
| CN204621886U (en) * | 2015-04-02 | 2015-09-09 | 新昌县新剡轴承有限公司 | A kind of adjustable bearing fixture |
| CN206982720U (en) * | 2017-07-07 | 2018-02-09 | 苏州睿达矩自动化设备有限公司 | A kind of mechanism for being used to clamp bearing ring |
| CN107843368A (en) * | 2017-11-03 | 2018-03-27 | 滁州学院 | A kind of economical and practical type stepper motor pull-out torque characteristic automatic testing equipment |
| CN108426660A (en) * | 2018-06-12 | 2018-08-21 | 重庆合聚达智能装备有限公司 | Motor torque test equipment |
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| CN110017928A (en) | 2019-07-16 |
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