CN117091835A - Bending and twisting composite detection device for speed reducer - Google Patents
Bending and twisting composite detection device for speed reducer Download PDFInfo
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- CN117091835A CN117091835A CN202311066506.8A CN202311066506A CN117091835A CN 117091835 A CN117091835 A CN 117091835A CN 202311066506 A CN202311066506 A CN 202311066506A CN 117091835 A CN117091835 A CN 117091835A
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- speed reducer
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- rocker arm
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 82
- 238000005452 bending Methods 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims description 28
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 11
- 230000001133 acceleration Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of speed reducer detection, and provides a bending and twisting compound detection device for a speed reducer, which comprises a supporting part, a power part and a bending and twisting compound working condition part, wherein the supporting part is provided with a plurality of bending and twisting grooves; the supporting component is fixedly connected with a power component; the output shaft of the power component is fixedly connected with a bending and twisting compound working condition component. According to the utility model, by controlling the acceleration of the motor, the speed reducer is driven to drive the rocker arm and the load block to synchronously move, the bending and twisting combined working condition of the speed reducer is simulated, the original single-torque detection mode is broken, and the speed reducer is subjected to bending moment and torque detection, so that the integrity of product testing is ensured; the device has the advantages of simple structure, low cost, strong universality and capability of realizing rapid detection.
Description
Technical Field
The utility model relates to a bending and twisting composite detection device, and belongs to the technical field of speed reducer detection.
Background
The speed reducer has a comparatively important position in the mechanical transmission field, is widely applied to various industries, and along with the rapid increase of the application field of the speed reducer, the requirement for the index of the speed reducer is not only remained on the related transmission indexes such as torque or speed ratio, and the like, but also the requirement for bending moment is needed. The Chinese patent with the patent number of CN202210327473.7 discloses a torque detection device of a planetary speed reducer for production quality control and a use method thereof, which can conveniently, rapidly and safely detect the torque of the planetary speed reducer; as another example, chinese patent No. CN201922337107.6 discloses a harmonic speed reducer torque detection device and a harmonic speed reducer torque detection assembly, which can test the instantaneous allowable maximum torque of the harmonic speed reducer.
However, the inventors of the present utility model found that the prior art had the following problems: the transmission reducer test bench at the present stage can only test the torque of the reducer, and the bending and twisting compound working condition belongs to compound alternation, so that the product performance is greatly adjusted. However, in the current industry, a speed reducer with a bending moment and torque composite requirement cannot be tested, so that the performance test of the actual working condition of a product cannot be completed before delivery, the performance cannot be effectively verified, and stable quality cannot be provided for the product.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a bending and twisting compound detection device which breaks the original single-torque detection mode and adopts double conditions of bending moment and torque compound to detect a speed reducer, thereby ensuring the integrity of product test.
The utility model is realized by the following technical scheme.
The utility model provides a bending and twisting composite detection device for a speed reducer, which comprises a supporting component, a power component and a bending and twisting composite working condition component, wherein the supporting component is connected with the power component; the supporting component is fixedly connected with a power component; the output shaft of the power component is fixedly connected with a bending and twisting composite working condition component, and the bending and twisting composite working condition component is used for manually simulating the working condition that the reducer is subjected to bending moment and torque simultaneously in the working process.
The supporting component comprises a bottom plate, a bottom plate positioning key, a vertical plate, a first vertical plate positioning key and a triangular reinforcing plate; the upper surface of the bottom plate is symmetrically and fixedly connected with a vertical plate through a bottom plate positioning key; the outer side of the vertical plate is symmetrically and fixedly connected with a triangular reinforcing plate through a first vertical plate positioning key.
The supporting part further comprises a second vertical plate positioning key, a motor mounting plate and a speed reducer fixing plate; and the two end surfaces of the motor mounting plate and the reducer fixing plate are fixedly connected with vertical plates through second vertical plate positioning keys.
The speed reducer fixing plate is positioned on the motor mounting plate, and the speed reducer fixing plate and the motor mounting plate are in a parallel state.
The reducer fixing plate and the motor mounting plate are parallel to the bottom plate.
The power component comprises a coupler, a motor fastener and a motor; the motor passes through motor fastener fixed connection at motor mounting panel lower surface, and motor output shaft passes motor mounting panel and is connected with shaft coupling one end.
The power component further comprises a speed reducer; the speed reducer is fixed on the upper surface of the speed reducer fixing plate, and the input shaft of the speed reducer passes through the speed reducer fixing plate and is fixedly connected with the other end of the coupler.
The bending and twisting composite working condition component comprises a load block fastener, a load block and a rocker arm; the output shaft key of the speed reducer is connected with one end of the rocker arm; the upper surface of the other end of the rocker arm is fixedly connected with a load block through a load block fastener.
The bending and twisting composite working condition component further comprises a rocker arm pressing plate and a rocker arm pressing plate fastener; the rocker arm pressing plate fastener penetrates through the rocker arm pressing plate to be fixedly connected with the rocker arm.
The length of the rocker arm and the weight of the load block are calculated according to the actual output torque and the bending moment of the speed reducer.
The utility model has the beneficial effects that: the method has the advantages that the mode that the motor acceleration is controlled, the speed reducer is driven to drive the rocker arm and the load block to synchronously move is adopted, the bending and twisting combined working condition of the speed reducer is simulated, the original single-torque detection mode is broken, the speed reducer is subjected to bending moment and torque detection, and therefore the integrity of product testing is guaranteed; the device has the advantages of simple structure, low cost, strong universality and capability of realizing rapid detection.
Drawings
FIG. 1 is an axial side elevational view of the present utility model;
fig. 2 is a front view of the present utility model.
In the figure: the device comprises a 1-bottom plate, a 2-bottom plate positioning key, a 3-vertical plate, a 4-first vertical plate positioning key, a 5-triangular reinforcing plate, a 6-second vertical plate positioning key, a 7-motor mounting plate, an 8-speed reducer fixing plate, a 9-load block fastener, a 10-load block, a 11-rocker arm, a 12-speed reducer, a 13-rocker arm pressing plate, a 14-rocker arm pressing plate fastener, a 15-coupler, a 16-motor fastener, a 17-motor, a 18-supporting part, a 19-power part and a 20-bending and twisting compound working condition part.
Detailed Description
The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.
The first embodiment of the utility model relates to a bending and twisting composite detection device for a speed reducer, which is shown in fig. 1-2, and comprises a supporting part 18, a power part 19 and a bending and twisting composite working condition part 20; the supporting part 18 is fixedly connected with a power part 19; the output shaft of the power component 19 is fixedly connected with a bending and twisting compound working condition component 20. The support member 18 is fixed to the detection stage, prevents vibration and provides a force-bearing support; the power part 19 provides rotary power to rotate the load block and the rocker arm; the bending and twisting composite operating condition component 20 simulates a simulated bending and twisting composite operating condition by rotating.
The supporting part 18 comprises a bottom plate 1, a bottom plate positioning key 2, a vertical plate 3, a first vertical plate positioning key 4 and a triangular reinforcing plate 5; the upper surface of the bottom plate 1 is symmetrically and fixedly connected with a vertical plate 3 through a bottom plate positioning key 2; the outer side of the vertical plate 3 is symmetrically and fixedly connected with a triangular reinforcing plate 5 through a first vertical plate positioning key 4. The base plate 1 can be arranged on a reference table or the ground and is used for providing a stressed platform; the bottom plate positioning key 2 is used for positioning the vertical plate 3, so that the center of the vertical plate 3 is parallel to the center of the bottom plate 1; the triangular reinforcing plate 5 is used for reinforcing the connection between the vertical plate 3 and the bottom plate 1, and ensures the strength and the rigidity.
The second embodiment of the present utility model is substantially the same as the first embodiment, mainly in the preferred version of the support member. The support part 18 further comprises a second vertical plate positioning key 6, a motor mounting plate 7 and a speed reducer fixing plate 8; the motor mounting plate 7 and the two end surfaces of the reducer fixing plate 8 are fixedly connected with the vertical plate 3 through the second vertical plate positioning key 6. In the installation process, a second vertical plate positioning key 6 is required to be used for positioning the motor installation plate 7, the reducer fixing plate 8 and the vertical plate 3, so that the centers of the parts are ensured to be on the same plane; the motor mounting plate 7 is used for fixing a motor 17 for providing power; the decelerator fixing plate 8 is used to fix the decelerator 12.
The reducer fixing plate 8 is positioned above the motor mounting plate 7 to ensure that the motor 17 is positioned below the reducer 12 and that interference does not occur in the rotating process of the rocker arm 11; and the reducer fixing plate 8 and the motor mounting plate 7 are in a parallel state, so that the input shaft of the reducer 12 is prevented from being subjected to bending moment to influence the detection result.
The reducer fixing plate 8 and the motor mounting plate 7 are parallel to the bottom plate 1, so that the plane formed by the rocker arm 11 and the load block 10 in the rotating process is parallel to the horizontal ground, and the phenomenon that the detection result of the bending and twisting compound working condition is influenced due to the fact that extra moment is generated on the output shaft of the reducer 12 is avoided.
The third embodiment of the present utility model is substantially the same as the second embodiment, mainly in terms of further optimization. The power component 19 includes a coupling 15, a motor fastener 16, and a motor 17; the motor 17 is fixedly connected to the lower surface of the motor mounting plate 7 through a motor fastener 16, and an output shaft of the motor 17 penetrates through the motor mounting plate 7 to be connected with one end of the coupler 15. The motor fastener 16 is used for fixing the motor 17 on the motor mounting plate 7; the coupling 15 is used for connecting an output shaft of the motor 17 and an input shaft of the speed reducer 12, and can transmit output torque of the motor 17 to the speed reducer 12.
The power unit 19 further includes a speed reducer 12; the speed reducer 12 is fixed on the upper surface of the speed reducer fixing plate 8, and an input shaft of the speed reducer 12 penetrates through the speed reducer fixing plate 8 to be fixedly connected with the other end of the coupler 15. The function of the speed reducer 12 is to transmit and change the torque and the rotation speed of the input end through the internal structure, and then output different torques and rotation speeds from the output end.
The bending and twisting composite working condition component 20 comprises a load block fastener 9, a load block 10 and a rocker arm 11; the output shaft key of the speed reducer 12 is connected with one end of the rocker arm 11; the upper surface of the other end of the rocker arm 11 is fixedly connected with a load block 10 through a load block fastener 9. The load block fastener 9 is used for fixing the load block 10 on the rocker arm 11 and preventing the load block from being separated from the rocker arm 11 during rotation; the weight of the load block 10 is used to create a bending moment; the length of the rocker arm 11 serves to amplify or reduce the bending moment.
The bending and twisting composite working condition component 20 also comprises a rocker arm pressing plate 13 and a rocker arm pressing plate fastener 14; the rocker arm pressing plate fastener 14 passes through the rocker arm pressing plate 13 and is fixedly connected with the rocker arm 11. The rocker arm pressing plate 13 is used for pressing the rocker arm 11 on the output shaft of the speed reducer 12, and the bending moment and the load of the torque are normally transmitted.
The length of the rocker arm 11 and the weight of the load block 10 need to be calculated according to the actual output torque and bending moment of the speed reducer 12. The calculation formula is as follows:
output end torque calculation formula:
T＝JεJ＝J 0 +mr 2
output end bending moment calculation formula:
M＝mgr
t-the torque the output bears in Newton meters (N.m) at the time of the test:
m-bending moment born by the output end during test, and the unit is Newton meter (N.m):
j-moment of inertia of rigid body load of output shaft in kilograms square meter (kg.m2)
ε -output shaft angular acceleration in radians per square second (rad/s 2)
m-mass of individual particles in rigid body load on output shaft in kilograms (kg)
r-the radius of the particle from the axis of rotation in meters (m).
g-gravity acceleration, 9.8m/s2
J 0 Moment of inertia of the load rigid wheel itself (kg.m2)
Finally, the weight of the required load block and the length of the rocker arm are obtained.
Based on the above, a typical working procedure of the present utility model is:
as shown in fig. 1-2, in the practice of the present utility model, the speed reducer 12 is first fixed to the speed reducer fixing plate 8; calculating according to the actual output torque and the bending moment of the speed reducer of the test model, and finally obtaining the weight of the required load block 10 and the length of the rocker arm 11; then, the selected rocker arm 11 is installed on an output shaft of the speed reducer 12, a load block 10 is installed at the tail end of the rocker arm 11 and connected by using a load block fastener 9, and a rocker arm pressing plate 13 is installed on the rocker arm 11 and the speed reducer 12 and connected by using a rocker arm pressing plate fastener 14, so that the whole bending and twisting composite detection device is assembled; the motor 17 is started, the acceleration of the motor 17 is controlled, the speed reducer 12 is driven to drive the rocker arm 11 and the load block 10 to synchronously move, a certain bending moment is added to the output shaft of the speed reducer 12 while the output shaft bears torque, and the test of the bending and twisting compound working condition of the speed reducer is realized, so that the test requirement of the bending and twisting compound speed reducer is met, and the smooth proceeding of projects is ensured.
Claims (10)
1. The utility model provides a compound detection device of bending and twisting for reduction gear which characterized in that: comprises a supporting component (18), a power component (19) and a bending and twisting compound working condition component (20); the supporting component (18) is fixedly connected with a power component (19); the output shaft of the power component (19) is fixedly connected with a bending and twisting compound working condition component (20) which is used for manually simulating the working condition of simultaneously receiving bending moment and torque in the working process of the speed reducer (12).
2. The bending and twisting composite detection device according to claim 1, wherein: the supporting part (18) comprises a bottom plate (1), a bottom plate positioning key (2), a vertical plate (3), a first vertical plate positioning key (4) and a triangular reinforcing plate (5); the upper surface of the bottom plate (1) is symmetrically and fixedly connected with a vertical plate (3) through a bottom plate positioning key (2); the outer side of the vertical plate (3) is symmetrically and fixedly connected with a triangular reinforcing plate (5) through a first vertical plate positioning key (4).
3. The bending and twisting composite detection device according to claim 2, wherein: the supporting part (18) further comprises a second vertical plate positioning key (6), a motor mounting plate (7) and a speed reducer fixing plate (8); the motor mounting plate (7) and the two end surfaces of the reducer fixing plate (8) are fixedly connected with the vertical plate (3) through the second vertical plate positioning key (6).
4. A bending and twisting composite detection device according to claim 3, wherein: the speed reducer fixing plate (8) is positioned on the motor mounting plate (7), and the speed reducer fixing plate (8) and the motor mounting plate (7) are in a parallel state.
5. A bending and twisting composite detection device according to claim 3, wherein: the reducer fixing plate (8) and the motor mounting plate (7) are parallel to the bottom plate (1).
6. The bending and twisting composite detection device according to claim 1, wherein: the power component (19) comprises a coupler (15), a motor fastener (16) and a motor (17); the motor (17) is fixedly connected to the lower surface of the motor mounting plate (7) through a motor fastener (16), and an output shaft of the motor (17) penetrates through the motor mounting plate (7) to be connected with one end of the coupler (15).
7. The bending and twisting composite detection device according to claim 6, wherein: the power unit (19) further comprises a speed reducer (12); the speed reducer (12) is fixed on the upper surface of the speed reducer fixing plate (8), and an input shaft of the speed reducer (12) penetrates through the speed reducer fixing plate (8) to be fixedly connected with the other end of the coupler (15).
8. The bending and twisting composite detection device according to claim 1, wherein: the bending and twisting composite working condition component (20) comprises a load block fastener (9), a load block (10) and a rocker arm (11); the output shaft key of the speed reducer (12) is connected with one end of the rocker arm (11); the upper surface of the other end of the rocker arm (11) is fixedly connected with a load block (10) through a load block fastener (9).
9. The bending and twisting composite detection device according to claim 8, wherein: the bending and twisting composite working condition component (20) further comprises a rocker arm pressing plate (13) and a rocker arm pressing plate fastener (14); the rocker arm pressing plate fastener (14) penetrates through the rocker arm pressing plate (13) to be fixedly connected with the rocker arm (11).
10. The bending and twisting composite detection device according to claim 8, wherein: the length of the rocker arm (11) and the weight of the load block (10) are calculated according to the actual output torque and the bending moment of the speed reducer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311066506.8A CN117091835A (en) | 2023-08-23 | 2023-08-23 | Bending and twisting composite detection device for speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311066506.8A CN117091835A (en) | 2023-08-23 | 2023-08-23 | Bending and twisting composite detection device for speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117091835A true CN117091835A (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311066506.8A Pending CN117091835A (en) | 2023-08-23 | 2023-08-23 | Bending and twisting composite detection device for speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117091835A (en) |
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2023
- 2023-08-23 CN CN202311066506.8A patent/CN117091835A/en active Pending
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