CN219142202U - Planet row upper assembly rack running-in testing device - Google Patents
Planet row upper assembly rack running-in testing device Download PDFInfo
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- CN219142202U CN219142202U CN202320003561.1U CN202320003561U CN219142202U CN 219142202 U CN219142202 U CN 219142202U CN 202320003561 U CN202320003561 U CN 202320003561U CN 219142202 U CN219142202 U CN 219142202U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a rack running-in testing device for a planet row loading assembly, which is suitable for testing the planet row loading assembly of a single bearing, ensures the rotation centering degree of an output end and ensures low noise of rack testing. It comprises the following steps: the rack comprises a vertical plate, and an arc positioning groove is formed in the upper portion of the vertical plate; the supporting seat is used for supporting the bottom of the planet row upper assembly; the connecting tool comprises an assembly connecting flange, a guide sleeve and a limiting ring connecting flange; a limiting ring; a first deep groove ball bearing; the output flange comprises a connecting sleeve and a flange end face; the outer peripheral surface of the output end of the planet row upper assembly is fixedly connected with the inner surface of the connecting flange, a plurality of threaded sleeves are annularly arranged on the outer surface of the connecting flange, the periphery of the vertical plate corresponding to the circular arc positioning groove is fixedly connected with the corresponding threaded sleeve through an axial stud, and the guide sleeve penetrates through the circular arc positioning groove and then protrudes outwards.
Description
Technical Field
The utility model relates to the technical field of automobile testing devices, in particular to a rack running-in testing device of a planet row upper assembly.
Background
When the planetary row upper assembly is subjected to a rack running-in test, the planetary row upper assembly is required to be stably placed on a rack, and the output end of the planetary row upper assembly is stably supported and arranged; the existing bench running-in testing device needs to fixedly support the bottom of a planet row upper assembly on a supporting part of a bench, and then the output end is outwards protruded and then is connected with an external power input shaft through a coupler; in the actual running-in test, the output end of the planet row upper assembly is provided with a single bearing mechanism and a double bearing mechanism; when the running-in test mechanism is used for running-in test of the output end of the single bearing mechanism, the outer side of the output end is not provided with a centering support, the eccentric amount of the output end is relatively large, the vibration is large, the noise is large, and the conventional running-in test mechanism is not suitable for the output end mechanism of the bearing.
Disclosure of Invention
Aiming at the problems, the utility model provides a rack running-in testing device for a planet row loading assembly, which is suitable for testing the planet row loading assembly of a single bearing, ensures the rotation centering degree of an output end and ensures low noise of rack testing.
Planet row upper assembling assembly rack running-in testing device, which is characterized in that it includes:
the rack comprises a vertical plate, and an arc positioning groove is formed in the upper portion of the vertical plate;
the supporting seat is used for supporting the bottom of the planet row upper assembly;
the connecting tool comprises an assembly connecting flange, a guide sleeve and a limiting ring connecting flange;
a limiting ring;
a first deep groove ball bearing;
the output flange comprises a connecting sleeve and a flange end face;
the outer peripheral surface of the output end of the planet row upper assembly is fixedly connected with the inner surface of the connecting flange, a plurality of threaded sleeves are annularly arranged on the outer surface of the connecting flange, the periphery of the vertical plate corresponding to the circular arc positioning groove is fixedly connected with the corresponding threaded sleeve through an axial stud, the guide sleeve penetrates through the circular arc positioning groove and then protrudes outwards, the output shaft of the planet row upper assembly penetrates through the guide sleeve and then protrudes outwards, the connecting sleeve is fixedly sleeved on the outer periphery of the output shaft, the connecting sleeve is also provided with an inner ring of a first deep groove ball bearing in a limiting manner, an outer ring of the first deep groove ball bearing is pressed and positioned at an outer spigot of the limiting ring, and the inner ring of the limiting ring is fixedly connected with the limiting ring connecting flange;
the inner end cavity of the guide sleeve is further sleeved with a second deep groove ball bearing, the large-diameter part of the output shaft of the planet row upper assembly is tightly attached to the inner ring of the second deep groove ball bearing, and the large-diameter part of the output shaft of the planet row upper assembly is matched with the first deep groove ball bearing, so that the rotation of the output shaft and the output flange does not affect the whole rack.
It is further characterized by:
a stop sleeve is arranged outside the connecting sleeve relative to the deep groove ball bearing, and the stop sleeve is fixedly connected to the connecting sleeve through radial screws of the ring cloth;
the outer end of the output shaft of the planet row loading assembly is provided with an external spline, the inner ring area of the connecting sleeve is provided with an internal spline, and the internal spline and the external spline are combined to form a transmission mechanism.
After the utility model is adopted, the inner cavity of the guide sleeve of the connecting tool is in interference press fit with the second deep groove ball bearing, the outer ring of the connecting sleeve of the output flange is in interference press fit with the deep groove ball bearing, the limiting ring is sleeved, the limiting ring is used for limiting the first deep groove ball bearing and the output flange through the external spigot, and the inner ring is fixedly connected with the limiting ring connecting flange, so that the output shaft and the output flange are positioned and connected.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a second perspective view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
the names corresponding to the serial numbers in the figures are as follows:
the planet row assembling device comprises a bench 10, a vertical plate 11, an arc positioning groove 12, a supporting seat 20, a connecting tool 30, a connecting flange 31, a guide sleeve 32, a limiting ring connecting flange 33, an inner concave ring groove 34, a connecting mechanism 35, a threaded sleeve 36, a limiting ring 40, an outer spigot 41, an inner ring 42, an output flange 50, a connecting sleeve 51, a flange end face 52, a planet row assembling assembly 60, an output shaft 61, a first deep groove ball bearing 70, a second deep groove ball bearing 80, a stop sleeve 90, radial screws 100, fastening bolts 110 and axial studs 120.
Detailed Description
The rack running-in testing device of the planet row upper assembly comprises a rack 10, a supporting seat 20, a connecting tool 30, a limiting ring 40, a deep groove ball bearing group and an output flange 50, wherein the rack running-in testing device is shown in fig. 1-3;
the stand 10 comprises a vertical plate 11, and an arc positioning groove 12 is formed in the upper part of the vertical plate 11; the support base 20 is used for supporting the bottom of the planet row upper assembly 60; the connecting tool 30 comprises an assembly connecting flange 31, a guide sleeve 32 and a limiting ring connecting flange 33, wherein an inner concave ring groove 34 and a corresponding connecting mechanism 35 are arranged between the connecting flange 31 and the limiting ring connecting flange 33, and the inner concave ring groove 34 is away from a corresponding arc positioning groove 12 area of the vertical plate 11;
the deep groove ball bearing group comprises a first deep groove ball bearing 70 and a second deep groove ball bearing 80; the output flange 50 comprises a connecting sleeve 51 and a flange end surface 52;
the outer peripheral surface of the output of the planet row upper assembly 60 is fixedly connected with the inner surface of a connecting flange 31, a plurality of threaded sleeves 36 are annularly arranged in the lower area of the outer surface of the connecting flange 31, the outer periphery of a vertical plate 11 corresponding to an arc positioning groove 12 is fixedly connected with the corresponding threaded sleeve 36 through an axial stud 120, a guide sleeve 32 penetrates through the arc positioning groove 12 and protrudes outwards, an output shaft 61 of the planet row upper assembly 60 penetrates through the guide sleeve 32 and protrudes outwards, a connecting sleeve 51 is fixedly sleeved on the outer periphery of the output shaft 61, the connecting sleeve 51 is also provided with an inner ring of a first deep groove ball bearing 70 through an outer spigot limiting sleeve, an outer ring of the first deep groove ball bearing 70 is pressed and positioned by an outer spigot 41 of a limiting ring 40, and an inner ring 42 of the limiting ring 40 is fixedly connected with a limiting ring connecting flange 33;
the inner end cavity of the guide sleeve 32 is also sleeved with a second deep groove ball bearing 80, and the large diameter part of the output shaft 61 of the planet row loading assembly 60 is closely attached to the inner ring of the second deep groove ball bearing 80 and is matched with the first deep groove ball bearing 70, so that the rotation of the output shaft 61 and the output flange 50 does not affect the whole rack 10.
The specific implementation method comprises the following steps: the outer part of the connecting sleeve 51 opposite to the first deep groove ball bearing 70 is provided with a stop sleeve 90, and the stop sleeve 90 is fixedly connected to the connecting sleeve 51 through four radial screws 100 of a ring cloth;
the outer end of the output shaft 61 of the planet row loading assembly 60 is an external spline, the inner ring area of the connecting sleeve 51 is an internal spline, and the internal spline and the external spline are combined to form a transmission mechanism.
The specific implementation method comprises the following steps: the inner ring 42 of the limiting ring 40 is fixedly connected with the limiting ring connecting flange 33 through four fastening bolts 110 of the ring cloth.
The working principle is as follows: the guide sleeve inner cavity of the connecting tool is in interference press fit with the second deep groove ball bearing, the outer ring of the connecting sleeve of the output flange is in interference press fit with the deep groove ball bearing, the limiting ring is sleeved, the limiting ring is limited to the first deep groove ball bearing and the output flange through the external spigot, the inner ring is fixedly connected with the limiting ring connecting flange, so that the output shaft and the output flange are positioned and connected, and as the two groups of deep groove ball bearings are arranged on the outer side of the output shaft for center guiding positioning, the connecting sleeve is suitable for testing a planetary row loading assembly of a single bearing, the rotation centering degree of the output end is ensured, and the noise of a bench test is low.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. Planet row upper assembling assembly rack running-in testing device, which is characterized in that it includes:
the rack comprises a vertical plate, and an arc positioning groove is formed in the upper portion of the vertical plate;
the supporting seat is used for supporting the bottom of the planet row upper assembly;
the connecting tool comprises an assembly connecting flange, a guide sleeve and a limiting ring connecting flange;
a limiting ring;
a first deep groove ball bearing;
the output flange comprises a connecting sleeve and a flange end face;
the outer peripheral surface of the output end of the planet row upper assembly is fixedly connected with the inner surface of the connecting flange, a plurality of threaded sleeves are annularly arranged on the outer surface of the connecting flange, the periphery of the vertical plate corresponding to the circular arc positioning groove is fixedly connected with the corresponding threaded sleeve through an axial stud, the guide sleeve penetrates through the circular arc positioning groove and then protrudes outwards, the output shaft of the planet row upper assembly penetrates through the guide sleeve and then protrudes outwards, the connecting sleeve is fixedly sleeved on the outer periphery of the output shaft, the connecting sleeve is also provided with an inner ring of a first deep groove ball bearing in a limiting manner, an outer ring of the first deep groove ball bearing is pressed and positioned at an outer spigot of the limiting ring, and the inner ring of the limiting ring is fixedly connected with the limiting ring connecting flange;
the inner end cavity of the guide sleeve is further sleeved with a second deep groove ball bearing, the large-diameter part of the output shaft of the planet row upper assembly is tightly attached to the inner ring of the second deep groove ball bearing, and the large-diameter part of the output shaft of the planet row upper assembly is matched with the first deep groove ball bearing, so that the rotation of the output shaft and the output flange does not affect the whole rack.
2. The planet row loading assembly stand break-in testing device of claim 1, wherein: the outer part of the connecting sleeve, which is opposite to the deep groove ball bearing, is provided with a stop sleeve, and the stop sleeve is fixedly connected with the connecting sleeve through radial screws of the ring cloth.
3. The planet row loading assembly stand break-in testing device according to claim 2, wherein: the outer end of the output shaft of the planet row loading assembly is provided with an external spline, the inner ring area of the connecting sleeve is provided with an internal spline, and the internal spline and the external spline are combined to form a transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320003561.1U CN219142202U (en) | 2023-01-03 | 2023-01-03 | Planet row upper assembly rack running-in testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320003561.1U CN219142202U (en) | 2023-01-03 | 2023-01-03 | Planet row upper assembly rack running-in testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219142202U true CN219142202U (en) | 2023-06-06 |
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ID=86594878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320003561.1U Active CN219142202U (en) | 2023-01-03 | 2023-01-03 | Planet row upper assembly rack running-in testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219142202U (en) |
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2023
- 2023-01-03 CN CN202320003561.1U patent/CN219142202U/en active Active
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