CN218341912U - Connecting structure for vertical rack test of speed reducer - Google Patents
Connecting structure for vertical rack test of speed reducer Download PDFInfo
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- CN218341912U CN218341912U CN202222651338.6U CN202222651338U CN218341912U CN 218341912 U CN218341912 U CN 218341912U CN 202222651338 U CN202222651338 U CN 202222651338U CN 218341912 U CN218341912 U CN 218341912U
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Abstract
The utility model relates to a rack test technical field of reduction gear particularly, discloses a connection structure for test of vertical rack of reduction gear includes: the transmission mechanism comprises a cover plate, a transmission shaft, a sleeve main body and a transmission gear, wherein the cover plate is sleeved outside the sleeve main body, a first step for limiting the axial movement of the cover plate is arranged outside the first end of the sleeve main body, and a first counter bore is arranged inside the first end; the transmission shaft comprises a first transmission section, a second installation section and a third transmission section, wherein the second installation section is rotatably installed inside the sleeve main body, the first transmission section is located in the first counter bore, the length of the first transmission section is smaller than the depth of the first counter bore, the third transmission section protrudes out of the second end of the sleeve main body for a fixed length, and the transmission gear is sleeved on the third transmission section. Make full use of the inside cavity of reduction gear, hidden the most length of sleeve main part inside the reduction gear, shortened the whole height behind this structural mounting on the reduction gear.
Description
Technical Field
The utility model relates to a vertical bench test technical field of reduction gear particularly, relates to a connection structure is used in vertical bench test of reduction gear.
Background
The bench test is that before the product leaves a factory, some simulation test operation tests including some engine tests are generally carried out, and the product can be put into use after passing the engine tests. In order to simulate a real use scene, when a vertical bench test is performed on the speed reducer, the speed reducer needs to be vertically arranged and connected and driven with an output motor of a bench through a connecting structure. In the prior art, a connecting structure with a certain height is usually required to be installed on a speed reducer outside a vertical rack, then the speed reducer is vertically arranged on a lifting platform of the vertical rack, the lifting platform is operated upwards, a coupler of an output motor is inserted into the connecting mechanism, and transmission connection of the output motor and the speed reducer is completed. Because the stroke of the lifting platform of the vertical rack is limited, the speed reducer and the connecting mechanism have certain length, when the height of the speed reducer and the height of the connecting structure are too long after installation, the connecting structure and the coupler of the output motor are always in an interference state in the axial direction, and the installation cannot be smoothly completed, and the smooth operation of a rack experiment is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connecting structure is used in test of vertical rack of reduction gear, it has effectively shortened the whole height behind reduction gear and the connecting mechanism installation.
The embodiment of the utility model discloses a realize through following technical scheme:
a connecting structure for testing a vertical rack of a speed reducer comprises: the transmission mechanism comprises a cover plate, a transmission shaft, a sleeve main body and a transmission gear, wherein the cover plate is sleeved outside the sleeve main body, a first step for limiting the axial movement of the cover plate is arranged outside the first end of the sleeve main body, and a first counter bore is arranged inside the first end; the transmission shaft comprises a first transmission section, a second installation section and a third transmission section, wherein the second installation section is rotatably installed inside the sleeve main body, the first transmission section is located in the first counter bore, the length of the first transmission section is smaller than the depth of the first counter bore, the third transmission section protrudes out of the second end of the sleeve main body for a fixed length, and the transmission gear is sleeved on the third transmission section.
And the second mounting section comprises a third mounting section which is close to the first transmission section and used for mounting the framework oil seal assembly, and a fourth mounting section which is close to the third transmission section and used for mounting a bearing.
Further, a first annular groove for installing the elastic check ring for the shaft is further arranged between the third installation section and the fourth installation section.
Further, a circlip for a hole is installed between the bearing and the transmission gear.
Further, a second annular groove for installing a sealing rubber ring is arranged on the cover plate.
Furthermore, a plurality of through holes for installing compression screws are also arranged on the cover plate.
Further, the structure also comprises a pressure plate used for limiting the axial movement of the transmission gear, and the pressure plate is arranged on the transmission shaft through a fixing screw.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
1. in the utility model, the internal cavity of the speed reducer is fully utilized, most of the length of the sleeve main body is hidden in the speed reducer, and the overall height of the structure after being installed on the speed reducer is shortened;
2. the first transmission section is arranged in the first counter bore, so that the overall height of the structure after being mounted on the speed reducer is further shortened;
3. the framework oil seal assembly, the sealing rubber ring and the welding installation are used for reliably sealing the inside of the speed reducer, so that the leakage of lubricating oil is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the present invention mounted on a vertical stand;
FIG. 2 is a cross-sectional view at C of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a schematic view of a transmission shaft provided by the present invention;
fig. 5 is a cross-sectional view of a sleeve body provided by the present invention;
icon: 1-cover plate, 11-second ring groove, 12-through hole, 2-transmission shaft, 21-first transmission section, 22-second installation section, 221-third installation section, 222-fourth installation section, 23-third transmission section, 24-framework oil seal assembly, 25-bearing, 26-first ring groove, 27-shaft elastic retainer ring, 28-hole elastic retainer ring, 3-sleeve main body, 31-first end, 32-second end, 33-first step, 34-first counter bore, 4-transmission gear, 5-pressing plate, 51-fixing screw, 6-vertical stand, 61-output motor, 611-coupler, 62-lifting platform and 7-speed reducer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention 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 invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present embodiment provides a connection structure for a vertical bench test of a speed reducer, including: the sleeve comprises a cover plate 1, a transmission shaft 2, a sleeve main body 3 and a transmission gear 4, wherein the cover plate 1 is sleeved outside the sleeve main body 3, a first step 33 for limiting the axial movement of the cover plate 1 is arranged outside a first end 31 of the sleeve main body 3, and a first counter bore 34 is arranged inside the first end 31; the transmission shaft 2 comprises a first transmission section 21, a second installation section 22 and a third transmission section 23, wherein the second installation section 22 is rotatably installed inside the sleeve main body 3, the first transmission section 21 is located in the first counter bore 34, the length of the first transmission section 21 is smaller than the depth of the first counter bore 34, the third transmission section 23 protrudes out of the second end 32 of the sleeve main body 3 for a fixed length, and the transmission gear 4 is sleeved on the third transmission section 23.
The second mounting section 22 comprises a third mounting section 221 adjacent to the first transmission section 21 for mounting the framework oil seal assembly 24, and a fourth mounting section 222 adjacent to the third transmission section 23 for mounting the bearing 25. A first ring groove 26 for mounting the circlip 27 is further provided between the third mounting segment 221 and the fourth mounting segment 222. A circlip for hole 28 is installed between the bearing 25 and the transmission gear 4. A second annular groove 11 for installing a sealing rubber ring is also arranged on the cover plate 1. The cover plate 1 is also provided with a plurality of through holes 12 for installing compression screws.
During assembly, the rotatable connection between the sleeve body 3 and the transmission shaft 2 is completed through the bearing 25, and the dynamic sealing between the sleeve body 3 and the transmission shaft 2 is completed through the skeleton seal assembly (the bearing 25 and the skeleton seal assembly are both commonly used in the prior art and are not described herein again). And then the cover plate 1 is sleeved on the first end 31 of the sleeve main body 3, and the cover plate 1 is welded on the sleeve main body 3 to complete the sealing installation between the cover plate 1 and the sleeve main body 3. And finally, the transmission gear 4 is mounted on the third transmission section 23 through key connection, the structure further comprises a pressing plate 5 used for limiting the transmission gear 4 to move axially, and the pressing plate 5 is mounted on the transmission shaft 2 through a fixing screw 51 to complete circumferential and axial limiting of the transmission gear 4.
During the specific use, drop lifting platform 62 to minimum stroke department earlier, erect reduction gear 7 and place on lifting platform 62, hold by the manual work and directly put into reduction gear 7 with this device, the planetary gear meshing installation in drive gear 4 and the reduction gear 7, rethread screw hole 12 mounting screw will lap 1 locking and fix this device is whole with reduction gear 7. After the installation, most of the length of the sleeve main body 3 is hidden inside the speed reducer 7, and only the cover plate 1 and the first step 33 are arranged outside the speed reducer 7, so that most of components of the device are hidden inside the speed reducer 7, and the installation space is saved. Meanwhile, a second annular groove 11 for installing a sealing rubber ring is further formed in the cover plate 1, and the sealing of the interior of the speed reducer 7 is completed through the sealing rubber ring. A coupling 611 is additionally arranged on the first transmission section 21, and the transmission shaft 2 and the output motor 61 are synchronously connected together through the coupling 611.
In the utility model, the internal cavity of the speed reducer 7 is fully utilized, most of the length of the sleeve main body 3 below the first step 33 is hidden in the speed reducer 7, and the overall height of the structure after being installed on the speed reducer 7 is shortened; the first transmission section 21 is arranged in the first counter bore 34, so that the overall height of the structure after being installed on the speed reducer 7 is further shortened; the framework oil seal assembly 24, the sealing rubber ring and the welding installation are used for reliably sealing the inside of the speed reducer 7, and the leakage of lubricating oil is prevented.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a connection structure is used in test of vertical rack of reduction gear, its characterized in that includes: the transmission mechanism comprises a cover plate (1), a transmission shaft (2), a sleeve main body (3) and a transmission gear (4), wherein the cover plate (1) is sleeved outside the sleeve main body (3), a first step (33) used for limiting the cover plate (1) to move axially is arranged outside a first end (31) of the sleeve main body (3), and a first counter bore (34) is arranged inside the first end (31); the transmission shaft (2) comprises a first transmission section (21), a second installation section (22) and a third transmission section (23), wherein the second installation section (22) is rotatably installed inside the sleeve main body (3), the first transmission section (21) is located in the first counter bore (34), the length of the first transmission section (21) is smaller than the depth of the first counter bore (34), the third transmission section (23) protrudes out of the second end (32) of the sleeve main body (3) for a fixed length, and the transmission gear (4) is sleeved on the third transmission section (23).
2. The connecting structure for the vertical rack test of the speed reducer as claimed in claim 1, wherein the second mounting section (22) comprises a third mounting section (221) close to the first transmission section (21) and used for mounting a framework oil seal assembly (24), and a fourth mounting section (222) close to the third transmission section (23) and used for mounting a bearing (25).
3. The connecting structure for the vertical rack test of the speed reducer according to claim 2, wherein a first annular groove (26) for mounting a circlip (27) for a shaft is further provided between the third mounting section (221) and the fourth mounting section (222).
4. The connecting structure for the vertical stand test of the speed reducer according to claim 2, wherein a circlip for hole (28) is installed between the bearing (25) and the transmission gear (4).
5. The connecting structure for the vertical bench test of the speed reducer according to claim 1, wherein a second annular groove (11) for installing a sealing rubber ring is further arranged on the cover plate (1).
6. The connecting structure for the vertical rack test of the speed reducer according to claim 1, wherein a plurality of through holes (12) for installing compression screws are further formed in the cover plate (1).
7. The connecting structure for the speed reducer vertical stand test according to claim 1, further comprising a pressure plate (5) for limiting the axial movement of the transmission gear (4), wherein the pressure plate (5) is mounted on the transmission shaft (2) through a fixing screw (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222651338.6U CN218341912U (en) | 2022-10-09 | 2022-10-09 | Connecting structure for vertical rack test of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222651338.6U CN218341912U (en) | 2022-10-09 | 2022-10-09 | Connecting structure for vertical rack test of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218341912U true CN218341912U (en) | 2023-01-20 |
Family
ID=84894566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222651338.6U Active CN218341912U (en) | 2022-10-09 | 2022-10-09 | Connecting structure for vertical rack test of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218341912U (en) |
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2022
- 2022-10-09 CN CN202222651338.6U patent/CN218341912U/en active Active
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