CN220170519U - Static torsion test device for outer friction ring of synchronizer - Google Patents
Static torsion test device for outer friction ring of synchronizer Download PDFInfo
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- CN220170519U CN220170519U CN202321638328.7U CN202321638328U CN220170519U CN 220170519 U CN220170519 U CN 220170519U CN 202321638328 U CN202321638328 U CN 202321638328U CN 220170519 U CN220170519 U CN 220170519U
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- outer friction
- synchronizer
- support frame
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- 210000000078 claw Anatomy 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
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Abstract
The utility model discloses a static torsion test device for an outer friction ring of a synchronizer, which comprises an outer friction ring, wherein the outer friction ring is sleeved on an outer friction ring support frame, and the outer friction ring is fixedly connected with the outer friction ring support frame; the input end of the outer friction ring support frame is axially and sequentially connected with a synchronizer combined gear ring and an input end connecting tool, and a synchronizer sliding sleeve is sleeved on the outer sides of the outer friction ring and the synchronizer combined gear ring; the output end of outer friction ring support frame is connected with tailstock frock, and the synchronous ware of different models and structures can be changed according to the demand of difference to this device simple structure, simple to operate, and with low costs, need not whole assembly, just can realize the single experiment of synchronous ware, can also change the size of the moment of torsion of input according to the test demand when experimental, guarantees that experimental moment of torsion data is more close practical application's moment of torsion data, has improved synchronous ware experimental precision.
Description
Technical Field
The utility model belongs to the technical field of synchronizer testing, and relates to a static torsion test device for an outer friction ring of a synchronizer.
Background
The synchronizer is an important part assembly in the mechanical transmission, and the synchronizer has the function of realizing synchronization during gear shifting, and realizing smooth engagement by achieving consistent rotation speeds of a pair of gears to be engaged, so that the vehicle can run more stably. The wide use of the synchronizer ensures that gear engagement is not impacted during gear shifting, gear shifting noise is eliminated, the service life of the gear is prolonged, gear shifting is convenient and rapid, and the power performance and fuel economy of an automobile are improved.
In order to further improve the performance of the synchronizer, researchers have increased research and structural optimization of the synchronizer. For structural improvement of synchronizer parts, a series of tests are often carried out to verify the improvement effect, such as static and dynamic gear shifting performance tests of a synchronizer, gear shifting service life tests of the synchronizer, static torsion strength tests of the synchronizer and the like. The static torque strength test of the synchronizer at present is verified by utilizing a whole transmission gear to shift a specific gear according to the position of the synchronizer in the transmission, and the test result may cause early damage to other parts of the transmission, such as a transmission shaft, a transmission output shaft, a transmission shell and the like, so that the strength data of the synchronizer or the single part of the synchronizer cannot be obtained without reaching the test expectation.
Disclosure of Invention
The utility model aims to solve the problem that in the prior art, a static torsion test of a synchronizer is based on a complete machine, and the strength data of the synchronizer or a single part of the synchronizer cannot be accurately obtained, and provides a static torsion test device for an external friction ring of the synchronizer.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
the static torsion test device for the outer friction ring of the synchronizer comprises an outer friction ring, wherein the outer friction ring is sleeved on an outer friction ring support frame, and the outer friction ring is fixedly connected with the outer friction ring support frame;
the input end of the outer friction ring support frame is axially and sequentially connected with a synchronizer combined gear ring and an input end connecting tool, and a synchronizer sliding sleeve is sleeved on the outer sides of the outer friction ring and the synchronizer combined gear ring;
and the output end of the outer friction ring supporting frame is connected with a tailstock tool.
The utility model further improves that:
the outer friction ring support frame is sleeved with an outer friction ring pressing plate, and the outer friction ring pressing plate is used for fixing the outer friction ring and the outer friction ring support frame.
Threaded holes are formed in the end faces of the outer friction ring support frames, and bolts correspondingly connected with the threaded holes are arranged on the outer friction ring pressing plates.
The threaded holes are distributed in four along the circumferential direction of the end face of the outer friction ring supporting frame.
The outer friction ring support frame is provided with a claw groove, and the outer friction ring is provided with a claw corresponding to the claw groove;
the claw is in clearance fit with the claw groove.
A first external spline and a second external spline are axially and sequentially distributed on the outer side wall of the synchronizer combined gear ring;
the first external spline is connected with the input end connecting tool, and the second external spline is connected with the synchronizer sliding sleeve.
The first external spline extends into the input end connecting tool;
the synchronizer sliding sleeve is sleeved on the outer side of the second external spline.
The input end of the outer friction ring support frame is provided with an annular connecting part, and the annular connecting part is connected with an inner hole of the synchronizer combined gear ring in a matched mode.
The end face of the input end connecting tool is provided with a counter bore, and the counter bore is used for being connected with an external support bracket.
And a through hole is formed in the end face of the tailstock tool and is used for being connected with a test bed to be matched.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a synchronizer outer friction ring static torsion test device, wherein an outer friction ring support frame provides support for an outer friction ring, the outer friction ring support frame is coaxially connected with a synchronizer combined gear ring and an input end connecting tool, coaxiality of the outer friction ring, the synchronizer combined gear ring and the input end connecting tool is facilitated, a synchronizer sliding sleeve is sleeved outside the outer friction ring and the synchronizer combined gear ring, torque output by the input end connecting tool is transmitted to the outer friction ring through the synchronizer sliding sleeve, the outer friction ring is fixedly connected with the outer friction ring support frame, the outer friction ring is prevented from rotating circumferentially, torque transmission is realized, further static torsion tests on the outer friction ring are realized.
Further, in the utility model, the outer friction ring pressing plate is used for fixing the outer friction ring and the outer friction ring supporting frame, so that the outer friction ring and the outer friction ring supporting frame are fixedly connected.
Furthermore, in the utility model, the outer friction ring can be positioned by matching the claw with the claw groove, so that circumferential rotation between the outer friction ring and the outer friction ring support frame is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a two-dimensional view of a synchronizer outer friction ring static torque device of the present utility model;
FIG. 2 is a three-dimensional view of the synchronizer outer friction ring static torque device of the present utility model;
FIG. 3 is an assembly view of the synchronizer outer friction ring static torque device of the present utility model;
fig. 4 is a two-dimensional schematic diagram of the connection of the synchronizer outer friction ring static torque device of the utility model.
Wherein: 1-a tailstock tool; 2-an outer friction ring platen; 3-an outer friction ring; 4-an outer friction ring support frame; 5-synchronizer sleeve; 6-synchronizer combined with the ring gear; 7-connecting the input end with a tool; 8-a first external spline; 9-a second external spline; 10-claw grooves; 11-claw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present 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 embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but 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 embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model is described in further detail below with reference to the attached drawing figures:
referring to fig. 1 to 3, the embodiment of the utility model discloses an external friction ring static torsion test device of a synchronizer, which comprises an external friction ring 3, wherein the external friction ring 3 is sleeved on an external friction ring support frame 4, and the external friction ring 3 is fixedly connected with the external friction ring support frame 4; the input end of the outer friction ring support frame 4 is axially and sequentially connected with a synchronizer combined gear ring 6 and an input end connecting tool 7, and the input end connecting tool 7 is used for connecting a motor;
the outer sides of the outer friction ring 3 and the synchronizer combination gear ring 6 are sleeved with a synchronizer sliding sleeve 5; the output end of the outer friction ring support frame 4 is connected with the tailstock tool 1.
Furthermore, in the embodiment of the utility model, the motor, the torque meter and the angle encoder are arranged on the input end connecting tool 7, so that the rotating speed can be provided, and the torque and the torsion angle in the test process can be recorded.
Furthermore, in the embodiment of the utility model, the input end of the input end connecting tool 7 is provided with a spigot, the spigot is connected with an inner hole of the input end bracket, so that coaxiality during installation is ensured, a counter bore is circumferentially formed in the outer circumferential end surface of the input end connecting tool 7, a through hole corresponding to the counter bore is formed in the input end bracket, and the counter bore is connected with uniformly distributed through holes of the bracket through high-strength bolts.
Further, in the embodiment of the present utility model, a first external spline 8 and a second external spline 9 are axially and sequentially arranged on the outer circle of the synchronizer combined gear ring 6, wherein the diameter of the first external spline 8 is smaller than that of the second external spline 9, the first external spline 8 is connected with the input end connection tool 7, the second external spline 9 is connected with the synchronizer sliding sleeve 5, and the specific connection structure is as follows:
wherein, the hole of input connection frock 7 is provided with the internal spline that corresponds the connection with first external spline 8, and the internal spline meshes with first external spline 8.
An internal spline correspondingly connected with the second external spline 9 is arranged in the synchronizer sliding sleeve 5, and the internal spline of the synchronizer sliding sleeve 5 is meshed with the second external spline 9.
Further, in the embodiment of the utility model, the input end of the outer friction ring support frame 4 is provided with an annular spigot, the annular spigot is connected with the inner hole of the synchronizer combined gear ring 6 in a matched manner, so that the coaxiality of installation is realized, the outer side of the outer friction ring support frame 4 is sleeved with the outer friction ring 3, and the inner side of the spigot is matched with the outer ring of the outer friction ring 3.
The outer side of the outer friction ring support frame 4 is also sleeved with an outer friction ring pressing plate 2, the outer friction ring support frame 4 and the outer friction ring 3 are fixedly connected through the outer friction ring pressing plate 2, and the concrete connecting structure is as follows:
through holes are uniformly formed in the circumferential direction on the end face of the outer friction ring pressing plate 2, threaded holes are circumferentially distributed on the end face of the outer friction ring supporting frame 4, the threaded holes are connected with the through holes through bolts, the outer friction rings 3 are fixed through the fixed connection of the bolts, circumferential rotation of the outer friction rings is prevented, and torque transmission is achieved.
Further, in the embodiment of the present utility model, four through holes on the outer friction ring pressing plate 2 and four threaded holes on the outer friction ring supporting frame 4 are respectively formed.
Referring to fig. 2, further, in the embodiment of the present utility model, a jaw groove 10 is formed in the outer side wall of the outer friction ring support frame 4, a jaw 11 that is cooperatively connected with the jaw groove 10 is disposed on the outer friction ring 3, and the jaw 11 is in clearance fit with the jaw groove 10, so that the outer friction ring 3 can be further positioned, and circumferential rotation between the outer friction ring 3 and the outer friction ring support frame 4 is avoided.
Further, in the embodiment of the present utility model, three jaw grooves 10 and three jaws 11 are circumferentially distributed.
Further, in the embodiment of the utility model, the outer side wall of the output end of the outer friction ring support frame 4 is provided with an external spline, the external spline extends into the tail seat tool 1, the tail seat tool 1 is provided with an internal spline, and the tail seat tool 1 is in meshed connection with the internal spline of the tail seat tool 1 through the external spline.
Furthermore, in the embodiment of the utility model, the outer circular end surface of the tailstock tool 1 is uniformly provided with the connecting through holes, and the connecting through holes are connected with the through holes of the tailstock of the test bed to be connected, so that the tailstock tool 1 cannot rotate after being fixedly connected with the tailstock, but the tailstock of the static torsion test bed can move along the axial direction, and the actual installation requirement is met.
Referring to fig. 4, further, the working principle of the embodiment of the present utility model is as follows:
the input end connecting tool 7 is connected with a through hole of the input end of the test bed through a high-strength bolt, and meanwhile, a spigot of the front end of the input end connecting tool 7 is matched with an inner hole of the input end, so that coaxiality is ensured;
the external spline of the input end of the synchronizer combined gear ring 6 is matched and connected with the internal spline of the output end of the input end connecting tool 7;
in the embodiment of the utility model, the annular connecting part is an annular spigot, and the annular spigot on the input end of the outer friction ring support frame 4 is matched and connected with the inner hole of the synchronizer combined gear ring 6;
the outer friction ring support frame 4 is connected with the outer friction ring pressing plate 2 through bolts, so that the outer friction ring 3 is pressed on the end face of the outer ring of the outer friction ring support frame 4;
the synchronizer sliding sleeve 5 is sleeved on the outer side of the outer friction ring 3 and the synchronizer combining gear ring 6, so that the synchronizer sliding sleeve 5 is meshed with the outer friction ring 3 and the synchronizer combining gear ring 6, and torque is transmitted to the synchronizer sliding sleeve 5 and then to the outer friction ring 3 through the synchronizer combining gear ring 6 by the aid of the input end connecting tool 7.
The output end of the outer friction ring supporting frame 4 is connected with the tailstock tool 1;
connecting the tailstock tool 1 with a tailstock of a test bed;
during the test, the motor transmits driving force to the input end connection tool 7, the input end of the test device rotates, the output end is fixed by the tailstock, the input end connection tool 7 sequentially transmits torque to the synchronizer combination gear ring 6, the synchronizer sliding sleeve 5 and the outer friction ring 3, and then the static torsion test of the outer friction ring 3 is carried out under the stress condition of the working of the synchronizer, so that the structural strength data of the outer friction ring of the synchronizer is directly obtained.
The embodiment of the utility model discloses a static torsion test device for an outer friction ring of a synchronizer, which has the advantages of simple structure, low cost, convenience in processing and installation and strong universality, can be popularized to static torsion of outer friction rings of different models of synchronizers, simulates the actual stress condition of the outer friction rings of the synchronizers, and can meet the requirements of static torsion test items of the outer friction rings, thereby acquiring the structural strength data of the outer friction rings of the synchronizers, providing data support and reference for improvement of the later synchronizers, and facilitating optimization and improvement of the later synchronizers.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The static torsion test device for the outer friction ring of the synchronizer is characterized by comprising an outer friction ring (3), wherein the outer friction ring (3) is sleeved on an outer friction ring support frame (4), and the outer friction ring (3) is fixedly connected with the outer friction ring support frame (4);
the input end of the outer friction ring support frame (4) is axially and sequentially connected with a synchronizer combined gear ring (6) and an input end connecting tool (7), and the outer sides of the outer friction ring (3) and the synchronizer combined gear ring (6) are sleeved with a synchronizer sliding sleeve (5);
the output end of the outer friction ring supporting frame (4) is connected with the tailstock tool (1).
2. The synchronizer outer friction ring static torque test device according to claim 1, wherein an outer friction ring pressing plate (2) is sleeved on the outer friction ring supporting frame (4), and the outer friction ring pressing plate (2) is used for fixing the outer friction ring (3) and the outer friction ring supporting frame (4).
3. The synchronizer outer friction ring static torsion test device according to claim 2, wherein threaded holes are formed in the end face of the outer friction ring support frame (4), and bolts correspondingly connected with the threaded holes are arranged on the outer friction ring pressing plate (2).
4. A synchronizer outer friction ring static torque test device according to claim 3, wherein the threaded holes are distributed in four along the circumferential direction of the end face of the outer friction ring support frame (4).
5. The synchronizer outer friction ring static torque test device according to claim 1, wherein a jaw groove (10) is formed in the outer friction ring support frame (4), and a jaw (11) corresponding to the jaw groove (10) is formed in the outer friction ring (3);
the clamping jaw (11) is in clearance fit with the clamping jaw groove (10).
6. The static torsion test device for the synchronizer outer friction ring according to claim 1, wherein a first external spline (8) and a second external spline (9) are axially and sequentially distributed on the outer side wall of the synchronizer combined gear ring (6);
the first external spline (8) is connected with the input end connecting tool (7), and the second external spline (9) is connected with the synchronizer sliding sleeve (5).
7. The synchronizer outer friction ring static torque test device according to claim 6, wherein the first external spline (8) extends into the input end connecting tool (7);
the synchronizer sliding sleeve (5) is sleeved on the outer side of the second external spline (9).
8. The synchronizer outer friction ring static torsion test device according to claim 1, wherein an annular connecting portion is arranged at the input end of the outer friction ring support frame (4), and the annular connecting portion is connected with an inner hole of a synchronizer combined gear ring (6) in a matched mode.
9. The synchronizer outer friction ring static torque test device according to claim 1, wherein a counter bore is formed in the end face of the input end connecting tool (7), and the counter bore is used for being connected with an external support bracket.
10. The synchronizer outer friction ring static torque test device according to claim 1, wherein a through hole is formed in the end face of the tailstock tool (1), and the through hole is used for being connected with a test bed to be matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321638328.7U CN220170519U (en) | 2023-06-26 | 2023-06-26 | Static torsion test device for outer friction ring of synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321638328.7U CN220170519U (en) | 2023-06-26 | 2023-06-26 | Static torsion test device for outer friction ring of synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170519U true CN220170519U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321638328.7U Active CN220170519U (en) | 2023-06-26 | 2023-06-26 | Static torsion test device for outer friction ring of synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170519U (en) |
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2023
- 2023-06-26 CN CN202321638328.7U patent/CN220170519U/en active Active
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