CN220134462U - Power transmission test connecting device - Google Patents
Power transmission test connecting device Download PDFInfo
- Publication number
- CN220134462U CN220134462U CN202321681078.5U CN202321681078U CN220134462U CN 220134462 U CN220134462 U CN 220134462U CN 202321681078 U CN202321681078 U CN 202321681078U CN 220134462 U CN220134462 U CN 220134462U
- Authority
- CN
- China
- Prior art keywords
- shaft
- spline
- spacing
- spline shaft
- connecting sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 230000003139 buffering effect Effects 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a power transmission test connecting device which comprises a connecting sleeve and a connecting shaft, wherein one end of the connecting sleeve is a connecting end, the other end of the connecting sleeve is an inserting end, a connecting flange is formed on a sleeve body protrusion of the connecting end of the connecting sleeve, an inner hole of the connecting sleeve is an inner spline hole, a spline shaft I is formed on one end of the connecting shaft in a protruding mode, the diameter of the spline shaft I is larger than that of the connecting shaft, external spline teeth are arranged on a shaft body of the spline shaft I, the spline shaft I stretches into the inner hole of the connecting sleeve through the inserting end of the connecting sleeve and is connected with the spline shaft together, a spline shaft II is formed on the protrusion of the other end of the connecting shaft, a positioning concave hole is concavely formed in the end face of the connecting end of the connecting sleeve, a positioning end plate is fixedly connected with the positioning end plate, the spline shaft I is abutted to the positioning end plate, a limiting end cover is fixedly connected with the inserting end of the connecting sleeve, a limiting through hole is formed on the limiting end cover in a penetrating mode, the connecting shaft body is sleeved on the connecting shaft I, and a shaft shoulder between the connecting shaft and the spline shaft I is abutted to the limiting end cover.
Description
Technical Field
The utility model relates to the technical field of torsion tests, in particular to a power transmission test connecting device.
Background
Along with the high-speed development of the industrial level, the motor and the speed reducer are increasingly used, and particularly, the requirements of some use environments on parameters such as the rotating speed, the torque and the like of the motor or the speed reducer are very strict, so that the detection of the torque and the service life of the motor or the speed reducer under the condition of load is very important, and therefore, the motor or the speed reducer needs to be subjected to a torsion test before leaving a factory, so that the motor or the speed reducer put on the market is ensured to be a qualified product. The current common torsion testing device comprises a testing platform, wherein a loading motor, a torsion sensor and a motor or a speed reducer serving as a tested device are arranged on the testing platform, the loading motor and the tested device are connected through a connecting shaft, one end of the connecting shaft is provided with a flange and is connected with the loading motor through the flange, and the other end of the connecting shaft is connected with the tested device through a spline. In the testing process, the loading motor and the tested device generate vibration respectively, the connecting shaft is used as the connecting device of the loading motor and the tested device, the vibration is transmitted mutually through the connecting shaft, and the influence of the vibration frequency is different, so that the influence of the vibration frequency is interfered with the influence of the vibration frequency, and the stability of the test and the accuracy of the test result are influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to provide a power transmission test connection device capable of reducing vibration transmission.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a power transmission test connecting device, one end of adapter sleeve is the link, the other end is the insertion end, be located the cover of link on the adapter sleeve protruding be formed with the flange that the adapter sleeve set up with the central line, the hole of adapter sleeve is interior splined hole, the one end of adapter sleeve outwards protrudes along its central line direction and is formed with spline shaft I, spline shaft I's diameter is greater than the diameter of adapter sleeve, be provided with external spline tooth on spline shaft I's the shaft body, spline shaft I stretches into in the hole of adapter sleeve through the insertion end of adapter sleeve and is in the same place through external spline tooth and adapter sleeve spline connection, one end that the adapter sleeve was kept away from to the spline shaft I outwards protrudes along its central line direction and is formed with spline shaft II, spline shaft II can be in the same place with the test device spline connection that awaits measuring, the link terminal surface indent of adapter sleeve is equipped with the location shrinkage pool with the same central line setting of adapter sleeve, location shrinkage pool internal diameter is greater than the internal diameter of adapter sleeve, location shrinkage pool internal fixedly connected with location end plate, spline shaft I butt is on the location end plate, the insertion end of adapter sleeve is provided with spacing end cap, wear to be equipped with spacing end cap with the perforation with the adapter sleeve with the same setting on the shaft body, spacing end cap is through spacing end cap is fixedly connected with the spacing end cap between the end cap on the spacing cap on the end cap through the axial cap.
In the utility model, when in use, the connecting flange is connected with the flange on the driving shaft of the loading motor through bolts, and then the end of the spline shaft I of the connecting shaft extends into the inner hole of the connecting sleeve, so that the external spline teeth on the shaft body of the spline shaft I are in spline fit with the internal spline holes of the connecting sleeve; a limiting end cover is sleeved from the spline shaft II end of the connecting shaft and fixedly connected to the connecting end of the connecting sleeve, so that the two ends of the spline shaft I are respectively abutted against the limiting end cover and the positioning end plate, and the spline shaft I is axially limited; and the spline shaft II is in spline connection with the tested device, so that a double-spline connecting structure is formed between the loading motor and the tested device, and vibration transmission between the loading motor and the connecting shaft and between the tested device and the connecting shaft is reduced through spline fit gaps, so that interference between the tested device and the loading motor is reduced, and stability of torsion test and accuracy of test results are improved.
As optimization, the shaft body of the spline shaft II is provided with external spline teeth or the end face of the spline shaft II is concavely provided with an internal spline hole which is concentric with the spline shaft II. And setting correspondingly according to the spline type on the tested device.
As optimization, the hole bottom of the positioning concave hole is provided with a buffering concave hole which is arranged at the same center line as the positioning concave hole, the diameter of the buffering concave hole is larger than the inner diameter of the connecting sleeve, a buffering elastic piece is arranged at the same center line in the buffering concave hole, the projection of the spline shaft I along the center line direction of the spline shaft I is positioned in the projection of the buffering elastic piece along the center line direction of the spline shaft I, the spline shaft I is far away from one end of the connecting shaft stretches into the buffering concave hole, and two ends of the buffering elastic piece are respectively abutted to the spline shaft I and the positioning end plate. The buffering elastic piece with larger cross-sectional area can be fully contacted with the spline shaft I, and in addition, the axial acting force transmitted through the connecting shaft can absorb energy through the buffering elastic piece, so that the phenomenon that the spline shaft I directly transmits the acting force to the flange and the loading motor to cause the damage of a corresponding device is avoided. In addition, after the function of the buffering elastic sheet fails, the positioning end plate can be independently detached and replaced.
As the optimization, the insert end terminal surface indent of adapter sleeve be equipped with the spacing shrinkage pool that the adapter sleeve set up with the central line, the diameter of spacing shrinkage pool is greater than the internal diameter of adapter sleeve, spacing end cover orientation protruding be formed with the spacing boss that the central line set up with spacing shrinkage pool on one side of adapter sleeve, spacing perforation is located on the spacing boss, spacing boss stretches into in spacing shrinkage pool and can follow spacing shrinkage pool central line direction and spacing shrinkage pool sliding fit, spacing boss butt is on the hole bottom of spacing shrinkage pool, spacing end cover is facing away from on one side of adapter sleeve around spacing perforation central line direction even interval is provided with a plurality of connecting bolts, connecting bolt pass on spacing end cover and threaded connection are on the hole bottom of spacing shrinkage pool. The installation cooperation of spacing boss and spacing shrinkage pool can conveniently carry out spacing installation to spacing end cover, conveniently makes spacing perforation and the hole centering of adapter sleeve.
As optimization, a reducing shaft is arranged on the same center line between the connecting shaft and the spline shaft I, the diameter of the reducing shaft is gradually increased from one end in the direction of the connecting shaft to one end in the direction of the spline shaft I along the center line direction, the minimum diameter of the reducing shaft is consistent with the diameter of the connecting shaft, the maximum diameter of the reducing shaft is consistent with the outer diameter of the spline shaft I, the limiting perforation is a reducing hole matched with the reducing shaft, and the reducing shaft is abutted to the limiting perforation to limit the spline shaft I. The reducing structure can change the stress direction of acting force transmitted by the axial direction of the spline shaft I, and damage to the limiting end cover is reduced.
Compared with the prior art, the utility model has the following advantages: according to the utility model, a double-head spline connection mode is adopted, the influence of vibration is reduced through spline fit gaps, and the stability of torsion test and the accuracy of test results are improved.
Drawings
FIG. 1 is a side view of the present utility model;
fig. 2 is a cross-sectional view A-A of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, the power transmission test connecting device in this embodiment, including adapter sleeve 1 and connecting axle 2, the one end of adapter sleeve 1 is the link, the other end is the insertion end, the cover that is located the link of adapter sleeve 1 is protruding to be formed with adapter sleeve 1 with flange 3 that the central line set up, the hole of adapter sleeve 1 is interior splined hole, the outside protruding spline shaft i 4 that is formed with in the one end of connecting axle 2 along its central line direction, the diameter of spline shaft i 4 is greater than the diameter of connecting axle 2, be provided with external spline tooth on the axle body of spline shaft i 4, spline shaft i 4 stretches into in the hole of adapter sleeve 1 through the insertion end of adapter sleeve 1 and is in the spline connection of external spline tooth and adapter sleeve 1, the one end that spline shaft 2 kept away from spline shaft i 4 is protruding to be formed with spline shaft ii 5 along its central line direction, spline shaft ii 5 can be in the same with the test device spline connection, the concave location shrinkage pool that is equipped with that sets up with adapter sleeve 1 on the connecting end face of adapter sleeve 1, the diameter of location shrinkage pool inner fixedly connected with location shrinkage pool 6 is greater than 1, location shrinkage pool 6 is provided with the diameter of locating shrinkage pool end plate 7, the spacing end plate 7 is provided with spacing end cap 7 through the spacing end cap 7 on the spacing end cap 7 is inserted between the end cap 1 and the spacing end cap 7, the spacing end cap 7 is inserted through the spacing end cap 7 on the spacing end cap 1, the spacing end cap 7 is inserted into the end cap 1.
In this specific embodiment, an inner spline hole concentric with the spline shaft ii 5 is concavely formed in the end face of the spline shaft ii 5.
In this concrete implementation mode, the hole bottom concave of location shrinkage pool be equipped with the buffering shrinkage pool that the same central line of location shrinkage pool set up, the diameter of buffering shrinkage pool is greater than the internal diameter of adapter sleeve 1 is provided with buffering shell fragment 8 with the central line in the buffering shrinkage pool, spline shaft I4 is located along the projection of its central line direction buffering shell fragment 8 is followed in the projection of spline shaft I4 central line direction, spline shaft I4 is kept away from the one end of connecting axle 2 stretches into in the buffering shrinkage pool, and the both ends of buffering shell fragment 8 butt respectively spline shaft I4 with on the locating end plate 6.
In this concrete implementation, the tip terminal surface of adapter sleeve 1 concave up be equipped with the spacing shrinkage pool that adapter sleeve 1 was with the central line setting, the diameter of spacing shrinkage pool is greater than the internal diameter of adapter sleeve 1, spacing end cover 7 orientation protruding be formed with spacing boss that spacing shrinkage pool is with the central line setting on the side of adapter sleeve 1, spacing perforation is located on the spacing boss, spacing boss stretches into in spacing shrinkage pool and can follow spacing shrinkage pool central line direction and spacing shrinkage pool sliding fit, spacing boss butt is on the hole bottom of spacing shrinkage pool, spacing end cover 7 is facing away from on the side of adapter sleeve 1 around spacing perforation central line direction even interval is provided with a plurality of connecting bolts 9, connecting bolt 9 pass right spacing end cover 7 and threaded connection are on the hole bottom of spacing shrinkage pool.
In this specific embodiment, a reducing shaft is disposed on the same center line between the connecting shaft 2 and the spline shaft i 4, the diameter of the reducing shaft gradually increases from one end facing the direction of the connecting shaft 2 to one end facing the direction of the spline shaft i 4 along the center line direction, the minimum diameter of the reducing shaft is consistent with the diameter of the connecting shaft 2, the maximum diameter of the reducing shaft is consistent with the outer diameter of the spline shaft i 4, the limiting perforation is a reducing hole matched with the reducing shaft, and the reducing shaft abuts against the limiting perforation to limit the spline shaft i 4.
In the specific implementation, in order to meet the strength requirement, the diameter of the spline shaft II is larger than that of the connecting shaft, so that the limiting end cover cannot be sleeved from the spline shaft II any more, and the limiting end cover is formed by folding two semicircular end covers.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. A power transmission test connection device, characterized in that: the connecting sleeve comprises a connecting sleeve and a connecting shaft, wherein one end of the connecting sleeve is a connecting end, the other end of the connecting sleeve is an inserting end, a connecting flange which is arranged on the connecting end of the connecting sleeve and is in spline connection with a connecting sleeve with the same center line is formed on a boss body in a protruding mode, an inner hole of the connecting sleeve is an inner spline hole, one end of the connecting shaft is outwards protruded along the center line direction of the connecting sleeve to form a spline shaft I, the diameter of the spline shaft I is larger than that of the connecting shaft, an outer spline tooth is arranged on a shaft body of the spline shaft I, the spline shaft I stretches into the inner hole of the connecting sleeve through the inserting end of the connecting sleeve and is connected with the connecting sleeve through the outer spline tooth in a spline mode, one end of the connecting shaft far away from the spline shaft I is outwards protruded along the center line direction of the connecting sleeve to form a spline shaft II, the spline shaft II can be connected with a spline to be tested, a positioning concave hole which is arranged on the end face of the connecting end of the connecting sleeve with the connecting sleeve and is in the center line mode, the diameter of the positioning concave hole is larger than the inner diameter of the connecting sleeve, a positioning concave hole is fixedly connected with a positioning end plate is fixedly connected with the positioning concave hole, the spline shaft I is abutted on the positioning concave hole is abutted on the positioning end plate, the inserting end cover is arranged on the positioning end cover, the limiting end cover is arranged on the shaft body, limiting end cover is arranged on the connecting sleeve, limiting end cover and is in the connecting sleeve, and is in the connecting end far away from the center line, and is connected with the inner hole through the connecting sleeve, and is connected with the connecting end through the spline sleeve, and the spline device.
2. The power transmission test connection of claim 1, wherein: the shaft body of the spline shaft II is provided with external spline teeth or the end face of the spline shaft II is concavely provided with an internal spline hole which is concentric with the spline shaft II.
3. The power transmission test connection of claim 1, wherein: the hole bottom of the positioning concave hole is provided with a buffering concave hole which is arranged on the same central line as the positioning concave hole, the diameter of the buffering concave hole is larger than the inner diameter of the connecting sleeve, a buffering elastic sheet is arranged on the same central line in the buffering concave hole, the projection of the spline shaft I along the central line direction of the spline shaft I is positioned on the projection of the buffering elastic sheet along the central line direction of the spline shaft I, the spline shaft I is far away from one end of the connecting shaft and stretches into the buffering concave hole, and two ends of the buffering elastic sheet are respectively abutted to the spline shaft I and the positioning end plate.
4. The power transmission test connection of claim 1, wherein: the utility model discloses a connecting sleeve, including the adapter sleeve, the tip terminal surface of inserting of adapter sleeve, the tip terminal surface of adapter sleeve indent be equipped with the spacing shrinkage pool that the adapter sleeve set up with the central line, the diameter of spacing shrinkage pool is greater than the internal diameter of adapter sleeve, spacing end cover orientation protruding be formed with the spacing boss that the central line set up with spacing shrinkage pool on the side of adapter sleeve, spacing perforation is located on the spacing boss, spacing boss stretches into in spacing shrinkage pool and can follow spacing shrinkage pool central line direction and spacing shrinkage pool sliding fit, spacing boss butt is on the hole bottom of spacing shrinkage pool, spacing end cover is facing away from wind on the side of adapter sleeve a plurality of connecting bolts are provided with in spacing perforation central line direction even interval, connecting bolt pass right spacing end cover and threaded connection are on the hole bottom of spacing shrinkage pool.
5. The power transmission test connection of claim 1, wherein: the connecting shaft and the spline shaft I are provided with a reducing shaft at the same center line, the diameter of the reducing shaft is gradually increased from one end in the direction of the connecting shaft to one end in the direction of the spline shaft I along the center line direction, the minimum diameter of the reducing shaft is consistent with the diameter of the connecting shaft, the maximum diameter of the reducing shaft is consistent with the outer diameter of the spline shaft I, the limiting perforation is a reducing hole matched with the reducing shaft, and the reducing shaft is abutted to the limiting perforation to limit the spline shaft I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681078.5U CN220134462U (en) | 2023-06-29 | 2023-06-29 | Power transmission test connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681078.5U CN220134462U (en) | 2023-06-29 | 2023-06-29 | Power transmission test connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134462U true CN220134462U (en) | 2023-12-05 |
Family
ID=88956368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321681078.5U Active CN220134462U (en) | 2023-06-29 | 2023-06-29 | Power transmission test connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134462U (en) |
-
2023
- 2023-06-29 CN CN202321681078.5U patent/CN220134462U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220134462U (en) | Power transmission test connecting device | |
| CN103149028B (en) | A kind of reductor proving installation | |
| CN213932341U (en) | Detect device of splined hole and excircle concentricity | |
| CN209230447U (en) | A kind of rotor and stator are attached together to neutral cubing | |
| CN209743411U (en) | Connection structure of motor shaft and new forms of energy motor testboard | |
| CN114616449A (en) | Test board | |
| CN205278129U (en) | Encoder connector | |
| CN214998929U (en) | Floating connecting mechanism for connecting thread gauges | |
| CN212839280U (en) | Input end structure of wind power yaw gearbox | |
| CN112377598B (en) | Connecting structure for integrated accessory transmission case and accessory transmission gear box | |
| CN220850470U (en) | High-speed power transmission test connection device | |
| CN209978802U (en) | Device for detecting coaxiality of key sizes of motor bodies of electric wheel automobile wheels | |
| CN212931898U (en) | Gearbox bearing test device | |
| CN212621396U (en) | Performance detection device of dual-mass flywheel | |
| CN111637215A (en) | Gear box with rotating speed testing function | |
| CN210423654U (en) | Wind-powered electricity generation gear box spline shaft connection structure | |
| CN214578434U (en) | High-speed shafting with bearing inner ring temperature measurement | |
| CN214367355U (en) | Simple structure of large-torque elastic coupling | |
| CN215928164U (en) | Driving device for torque limiter test and torque limiter test system | |
| CN211692686U (en) | Power output transmission shaft for starter | |
| CN219198064U (en) | Internal spline installation positioning structure | |
| CN205449423U (en) | Experimental test signal transmission vibration damper of strong torsional vibration transmission | |
| CN220964566U (en) | Flange for motor calibration | |
| CN211178808U (en) | Transmission output end starting torque measuring device | |
| CN216285348U (en) | Speed sensor and device comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |