CN215847785U - Be applied to internal spline motor load test's high stability frock - Google Patents
Be applied to internal spline motor load test's high stability frock Download PDFInfo
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- CN215847785U CN215847785U CN202122051887.5U CN202122051887U CN215847785U CN 215847785 U CN215847785 U CN 215847785U CN 202122051887 U CN202122051887 U CN 202122051887U CN 215847785 U CN215847785 U CN 215847785U
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Abstract
The utility model relates to a high-stability tool applied to a load test of an internal spline motor, which comprises a load and an external spline transmission shaft, wherein the external spline transmission shaft is in transmission connection with an input shaft of the load, the external spline transmission shaft comprises an external spline section, an extension section, a shaft collar and a shaft head which are coaxially arranged and sequentially connected, a radially raised convex ring is arranged on the extension section, the convex ring is matched with a shaft end positioning hole of an output shaft of the internal spline motor, the external spline section is matched with an internal spline in the shaft end positioning hole of the output shaft of the internal spline motor, the extension section is inserted in the positioning hole, the shaft collar is abutted against the shaft end of the output shaft of the internal spline motor, and the shaft head is in transmission connection with the input shaft of the load.
Description
Technical Field
The utility model relates to a high-stability tool applied to a load test of an internal spline motor.
Background
The internal spline motor is a motor with an internal spline at the end of an output shaft, a tool used when the internal spline motor performs a load test comprises a load and an input shaft connected with the load and a transmission shaft of an output shaft of the internal spline motor, one end of the transmission shaft is provided with an external spline matched with the internal spline at the end of the output shaft of the internal spline motor, when the load test is performed, the output shaft of the internal spline motor and the input shaft of the load only depend on the internal spline and the external spline for positioning, after the tool is frequently used, the external spline of the transmission shaft is worn, therefore, only depend on the internal spline and the external spline for positioning, the coaxiality of the output shaft of the motor and the transmission shaft is difficult to ensure, and further the internal spline of the output shaft of the motor is damaged, the damage of a test tool or the abnormal sound in the test is caused. Therefore, there is a need for an improved tooling that eliminates the current disadvantages.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a be applied to internal spline motor load test's high stability frock, when adopting this frock to carry out load test to the internal spline motor, can effectively improve the axiality of internal spline motor output shaft and external spline transmission shaft, reduce the wearing and tearing of the external spline section of external spline transmission shaft in the frock uses, eliminate the problem that internal spline motor output shaft and external spline transmission shaft axiality descend because of external spline section wearing and tearing arouse, prevent that the internal spline of internal spline motor output shaft is impaired, eliminate the abnormal sound problem in the experiment.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a be applied to internal spline motor load test's high stability frock, includes load and external spline transmission shaft, and the external spline transmission shaft is connected with the input shaft transmission of load, and this external spline transmission shaft includes coaxial setting and the external spline section, extension section, axle collar and the spindle nose that connect gradually, be provided with a radial bellied bulge loop on the extension section, this bulge loop and internal spline motor output shaft axle head locating hole are mutually supported, the internal spline cooperation of external spline section and internal spline motor output shaft axle head locating hole inside, the extension section is pegged graft in the locating hole, the axle collar offsets with internal spline motor output shaft axle head, the spindle nose is connected with the input shaft transmission of load.
Preferably, the convex ring is in a cone shape, the diameter of one end, close to the external spline section, of the convex ring is smaller than that of one end, close to the collar, of the convex ring, and the inclination of the conical surface of the convex ring is 0.2-1 degrees.
Preferably, the convex ring is connected with the shaft collar, the diameter of the convex ring is between the diameter of the shaft collar and the diameter of the extension section, and the diameter of the convex ring is equal to the inner diameter of the positioning hole at the shaft end of the output shaft of the internal spline motor.
Preferably, the male ring is screwed on the extension.
Preferably, the externally splined transmission shaft is in coaxial transmission connection with the input shaft of the load through a coupler.
As a preferred scheme, still include the base, load fixed connection is on the base, and sliding connection has a slip table on the base in input shaft the place ahead of load, and the slip table can be followed the axial of input shaft and made a round trip to slide, is provided with the constant head tank that is used for fixing a position the internal spline motor footing on the slip table, is provided with the active grab who is used for locking the slip table on the base.
The utility model has the beneficial effects that: according to the utility model, the protruding ring is arranged on the extending section of the external spline transmission shaft, and the protruding ring is matched with the shaft end positioning hole of the output shaft of the internal spline motor, so that the output shaft of the internal spline motor and the external spline transmission shaft are kept coaxial, thereby reducing the abrasion of the external spline section of the external spline transmission shaft in the use of the tool, eliminating the problem of the reduction of the coaxiality of the output shaft of the internal spline motor and the external spline transmission shaft caused by the abrasion of the external spline section, preventing the damage of the internal spline of the output shaft of the internal spline motor, and eliminating the abnormal sound problem in the test.
Drawings
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic structural diagram of an output shaft end of an internal spline motor;
FIG. 2 is a schematic structural view of an externally splined driveshaft;
FIG. 3 is a schematic view of the matching structure of the external spline transmission shaft and the internal spline motor output shaft according to the present invention;
FIG. 4 is a schematic view of the overall structure of the present invention;
in FIGS. 1 to 4: 1. load, 101, input shaft, 2, external spline transmission shaft, 201, external spline section, 202, extension section, 203, the axle collar, 204, the spindle nose, 205, bulge loop, 3, internal spline motor output shaft, 4, the locating hole, 5, the internal spline, 6, the shaft coupling, 7, the base, 8, the slip table, 9, the internal spline motor footing, 10, the constant head tank, 11, the active grab, 12, the internal spline motor.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a high-stability tool applied to a load test of an internal spline motor comprises a load 1 and an external spline transmission shaft 2, the external spline transmission shaft 2 is in transmission connection with an input shaft 101 of the load 1, the external spline transmission shaft 2 comprises an external spline section 201, an extension section 202, a shaft collar 203 and a shaft head 204 which are coaxially arranged and sequentially connected, a convex ring 205 protruding in the radial direction is arranged on the extension section 202, the convex ring 205 is matched with a shaft end positioning hole 4 of an output shaft 3 of the internal spline motor, the external spline section 201 is matched with an internal spline 5 inside the shaft end positioning hole 4 of the output shaft 3 of the internal spline motor, the extension section 202 is inserted into the positioning hole 4, the shaft collar 203 abuts against the shaft end of the output shaft 3 of the internal spline motor, and the shaft head 204 is in transmission connection with the input shaft 101 of the load 1.
Because set up bulge loop 205 on the extension section 202 of external spline transmission shaft 2, utilize bulge loop 205 and 3 axle head locating holes 4 of internal spline motor output shaft to cooperate, make internal spline motor output shaft 3 and external spline transmission shaft 2 keep coaxial, thereby reduce the wearing and tearing of external spline section 201 of external spline transmission shaft 2 in the use of frock, eliminate the problem that internal spline motor output shaft 3 and the descending of external spline transmission shaft 2 axiality that arouses because of external spline section 201 wearing and tearing, prevent that internal spline 5 of internal spline motor output shaft 3 is impaired, the abnormal sound problem in the elimination test.
As shown in FIG. 2, the convex ring 205 is connected with the collar 203, and the diameter of the convex ring 205 is between the diameter of the collar 203 and the diameter of the extension section 202 and is equal to the inner diameter of the shaft end positioning hole 4 of the output shaft 3 of the internally splined motor. As shown in fig. 3, the convex ring 205 is tightly fitted with the shaft end positioning hole 4 of the output shaft 3 of the internally splined motor, so that the output shaft 3 of the internally splined motor and the externally splined transmission shaft 2 are coaxial.
Because the frequency of use of frock is high, frequently pull out and insert external spline transmission shaft 2 and can make bulge loop 205 produce wearing and tearing, in order to ensure bulge loop 205 size precision, this embodiment further makes bulge loop 205 threaded connection on extension section 203, can maintain the location effect of external spline transmission shaft through the mode of regularly changing bulge loop 205 like this, also can change bulge loop 205 according to the internal diameter of the internal spline motor output shaft 3 axle head locating hole 4 of different specifications simultaneously.
In the embodiment, the externally splined driveshaft 2 is in coaxial drive connection with the input shaft 101 of the load 1 via the coupling 6. In actual use, the externally splined driveshaft 2 and the input shaft 101 of the load 1 may be drivingly connected by gears or pulleys.
As shown in fig. 4, this embodiment the test fixture further includes a base 7, the load 1 is fixedly connected to the base 7, a sliding table 8 is slidably connected to the base 7 in front of the input shaft 101 of the load 1, the sliding table 8 can slide back and forth along the axial direction of the input shaft 101, the sliding table 8 is used for bearing an internal spline motor 12, a positioning groove 10 for positioning a foot 9 of the internal spline motor is provided on the sliding table 8, a quick clamp 11 for locking the sliding table 8 is provided on the base 7, and the quick clamp 11 can be selected from a quick clamp disclosed in patent No. 202021103427.1.
As a preferable scheme, in order to improve the connection tightness between the output shaft 3 of the internally splined motor and the externally splined transmission shaft 2, the convex ring 205 can be designed to be in a cone frustum shape, the diameter of one end, close to the externally splined section 201, of the convex ring 205 is smaller than that of one end, close to the collar 203, of the convex ring 205, and the inclination of the cone surface of the convex ring 205 is 0.2-1 °. Thus, when the internal spline motor output shaft 3 and the external spline transmission shaft 2 are assembled, the deeper the external spline transmission shaft 2 is inserted into the positioning hole 4, the tighter the convex ring 205 of the external spline transmission shaft 2 is matched with the positioning hole 4 of the internal spline motor output shaft 3, and the more the coaxiality of the internal spline motor output shaft 3 and the external spline transmission shaft 2 can be ensured.
The working principle of the utility model is as follows: according to the utility model, the convex ring 205 is arranged on the extension section 202 of the external spline transmission shaft 2, and the convex ring 205 is matched with the shaft end positioning hole 4 of the output shaft 3 of the internal spline motor, so that the output shaft 3 of the internal spline motor and the external spline transmission shaft 2 are kept coaxial, thereby reducing the abrasion of the external spline section 201 of the external spline transmission shaft 2 in the use of a tool, eliminating the problem of the reduction of the coaxiality of the output shaft 3 of the internal spline motor and the external spline transmission shaft 2 caused by the abrasion of the external spline section 201, preventing the damage of the internal spline 5 of the output shaft 3 of the internal spline motor, and eliminating the abnormal sound problem in the test.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the utility model; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (6)
1. The high-stability tool applied to the internal spline motor load test comprises a load (1) and an external spline transmission shaft (2), wherein the external spline transmission shaft (2) is in transmission connection with an input shaft (101) of the load (1), and is characterized in that the external spline transmission shaft (2) comprises an external spline section (201), an extension section (202), a shaft collar (203) and a shaft head (204) which are coaxially arranged and sequentially connected, a radially raised convex ring (205) is arranged on the extension section (202), the convex ring (205) is matched with a shaft end positioning hole (4) of an internal spline motor output shaft (3), the external spline section (201) is matched with an internal spline (5) inside the shaft end positioning hole (4) of the internal spline motor output shaft (3), the extension section (202) is inserted into the shaft end positioning hole (4), and the shaft collar (203) is abutted to the internal spline motor output shaft (3), the shaft head (204) is in transmission connection with an input shaft (101) of the load (1).
2. The high-stability tool applied to the load test of the internally splined motor according to claim 1, wherein the convex ring (205) is in a cone frustum shape, the diameter of one end, close to the externally splined section (201), of the convex ring (205) is smaller than that of one end, close to the collar (203), of the convex ring (205), and the inclination of the conical surface of the convex ring (205) is 0.2-1 degrees.
3. The tool with high stability applied to the internal spline motor load test is characterized in that the bulge loop (205) is connected with the shaft collar (203), the diameter of the bulge loop (205) is between the diameter of the shaft collar (203) and the diameter of the extension section (202), and the diameter of the bulge loop is equal to the inner diameter of the shaft end positioning hole (4) of the internal spline motor output shaft (3).
4. The tool with high stability applied to the internal spline motor load test is characterized in that the convex ring (205) is in threaded connection with the extension section (203).
5. The high-stability tool applied to the load test of the internally splined motor according to claim 1, wherein the externally splined transmission shaft (2) is in coaxial transmission connection with the input shaft (101) of the load (1) through a coupler (6).
6. The high-stability tool applied to the internal spline motor load test is characterized by further comprising a base (7), the load (1) is fixedly connected onto the base (7), a sliding table (8) is connected onto the base (7) in front of an input shaft (101) of the load (1) in a sliding mode, the sliding table (8) can slide back and forth along the axial direction of the input shaft (101), a positioning groove (10) used for positioning an internal spline motor footing (9) is formed in the sliding table (8), and a quick clamp (11) used for locking the sliding table (8) is arranged on the base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122051887.5U CN215847785U (en) | 2021-08-27 | 2021-08-27 | Be applied to internal spline motor load test's high stability frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122051887.5U CN215847785U (en) | 2021-08-27 | 2021-08-27 | Be applied to internal spline motor load test's high stability frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215847785U true CN215847785U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122051887.5U Active CN215847785U (en) | 2021-08-27 | 2021-08-27 | Be applied to internal spline motor load test's high stability frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215847785U (en) |
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2021
- 2021-08-27 CN CN202122051887.5U patent/CN215847785U/en active Active
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