CN216886096U - End connection installation mechanism of belt wheel edge speed reduction drive axle - Google Patents
End connection installation mechanism of belt wheel edge speed reduction drive axle Download PDFInfo
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- CN216886096U CN216886096U CN202220610243.7U CN202220610243U CN216886096U CN 216886096 U CN216886096 U CN 216886096U CN 202220610243 U CN202220610243 U CN 202220610243U CN 216886096 U CN216886096 U CN 216886096U
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- cylindrical sleeve
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model discloses an end connection installation mechanism of a belt wheel edge speed reduction drive axle, which comprises a shaft connection shell, wherein a raised cylindrical sleeve body part extending outwards is formed in the middle of the outer end face of the shaft connection shell, at least two mortises are formed in the outer end face of the raised cylindrical sleeve body part, at least two tenons are formed on the inner wall surface of the middle part of a gear ring support plate, the tenons are inserted and sleeved in the corresponding mortises, and the side walls of the tenons are tightly attached to the inner side walls of the corresponding mortises; and the inner wall surface of the middle part of the gear ring support plate is pressed against the outer end surface of the raised cylindrical sleeve part of the shaft connection shell and is fixedly connected with the shaft connection shell through a fixing bolt. It is through the outer terminal surface shaping tongue-and-groove of hub connection casing, shaping tenon on the middle part internal face of ring gear backup pad, and the tenon plug bush is in the tongue-and-groove that corresponds, and the inside wall of the corresponding tongue-and-groove is hugged closely to the lateral wall of tenon to realize torsion transmission, its transmission is effectual, and torsional strength is high, is difficult to warp.
Description
The technical field is as follows:
the utility model relates to the technical field of drive axle structures, in particular to an end connection installation mechanism of a belt wheel edge speed reduction drive axle.
The background art comprises the following steps:
in the existing driving axle or steering driving axle with a belt wheel edge speed reduction (planetary speed reduction structure) for engineering machinery, an axle connecting shell (a steering knuckle is used as the driving axle with steering) is installed at the outer end of an axle housing, a gear ring supporting plate is fixedly connected to the outer end face of the middle part of the axle connecting shell through a bolt, and when the gear ring supporting plate and the steering driving axle on the end part of the steering driving axle transmit torque, the gear ring supporting plate transmits the torque to the axle connecting shell through the bolt, so that the processing precision requirements of a connecting screw hole on the outer end face of the axle connecting shell and a connecting through hole on the gear ring supporting plate are high, the alignment of the two is ensured, the processing is troublesome, the effect is poor, and the efficiency is low;
when the bolt is fixed, the connecting screw hole and the connecting through hole are both gapped, when the bolt deflects in a transmission mode, only the screw rod part of the bolt is attached to the corresponding connecting screw hole and the inner side wall of the connecting through hole or the wall surface of the inner tooth part, so that torque transmission is achieved, some bolts are not stressed, the bolt transmission force effect is limited, and the stressed bolts are easy to deform.
Moreover, as shown in fig. 1, the conventional external half shaft and the planet carrier are not connected and supported, and the stability is poor when the external half shaft runs.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides an end connection installation mechanism of a belt wheel edge speed reduction drive axle, which is characterized in that a mortise is formed on the outer end surface of a shaft connection shell, a tenon is formed on the inner wall surface of the middle part of a gear ring support plate and is inserted and sleeved in the corresponding mortise, and the side wall of the tenon is tightly attached to the inner side wall of the corresponding mortise, so that the torque force transmission is realized, the transmission effect is good, the torsional strength is high, and the deformation is not easy to occur; the outer half shaft of the planetary gear set is connected with the planet gear carrier through the first bearing, so that the outer half shaft can run more stably.
The scheme for solving the technical problems is as follows:
an end connection installation mechanism of a belt wheel edge speed reduction drive axle comprises an axle connection shell, wherein a convex cylindrical sleeve body part extending outwards is formed in the middle of the outer end face of the axle connection shell, at least two mortises are formed in the outer end face of the convex cylindrical sleeve body part, at least two tenons are formed on the inner wall face of the middle of a gear ring support plate, the tenons are inserted and sleeved in the corresponding mortises, and the side walls of the tenons are tightly attached to the inner side walls of the corresponding mortises;
the inner wall surface of the middle part of the gear ring supporting plate is pressed against the outer end surface of the raised cylindrical sleeve body part of the shaft connecting shell and is fixedly connected with the shaft connecting shell through a fixing bolt.
Two mortises which correspond up and down or left and right are formed on the outer end face of the raised cylindrical sleeve body part, and the two mortises are communicated with a central through hole of the raised cylindrical sleeve body part;
two tenons are formed on the inner wall surface of the middle of the gear ring supporting plate.
The outer terminal surface of protruding cylinder cover somatic part goes up the shaping and has a plurality of connection spiro union holes, and the shaping has a plurality of connect the via hole on the middle part internal face of ring gear backup pad, and connect the via hole and correspond and align with the connection spiro union hole that corresponds, and fixing bolt's screw rod portion plug bush is in the connect the via hole that corresponds, and fixing bolt's rotation portion presses on the outer wall surface of the retaining ring of installation on the outer terminal surface of ring gear backup pad.
The outer side wall of the raised cylindrical sleeve body part of the shaft connecting shell is movably connected with a wheel hub through a bearing, the edge part of the outer end face of the wheel hub is fixedly connected with a planet wheel carrier through a bolt, the inner wall surface of the middle part of the outer end plate of the planet wheel carrier is fixedly provided with an outer ring of a first bearing, and the outer end of an outer half shaft installed in the shaft connecting shell extends out of a central through hole of the raised cylindrical sleeve body part and a middle through hole of a gear ring supporting plate and is fixed on an inner ring of the first bearing.
The utility model has the following outstanding effects:
the outer end face of the shell is connected with a forming mortise through a shaft, a tenon is formed on the inner wall face of the middle part of the gear ring supporting plate and is inserted and sleeved in the corresponding mortise, and the side wall of the tenon is tightly attached to the inner side wall of the corresponding mortise, so that torsion transmission is realized, the transmission effect is good, the torsional strength is high, and deformation is not easy to occur; the outer half shaft of the planetary gear set is connected with the planet gear carrier through the first bearing, so that the outer half shaft can run more stably.
Meanwhile, the tenon and the mortise are connected, so that the processing precision requirements of the connecting threaded hole of the protruding cylindrical sleeve body part and the connecting through hole of the gear ring supporting plate can be reduced, the fixing bolt is only required to fix the connecting threaded hole and the connecting through hole, the fixing bolt basically does not need to bear torsion, the deformation of the fixing bolt is reduced, and the service life of the fixing bolt is ensured.
Description of the drawings:
FIG. 1 is a partial schematic view of a prior art shaft coupling housing;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a partial schematic view of the construction between the ring gear support plate and the shaft connecting housing;
fig. 4 is a schematic view of the angle-changing structure of fig. 3.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 2 to 4, an end connection installation mechanism of a hub reduction drive axle comprises a shaft connection housing 32 (in the embodiment, the drawing is a drawing of a steering drive axle, and therefore, the shaft connection housing 32 is a steering knuckle), a ring gear support plate 33 is located at the outer side of the shaft connection housing 32, a raised cylindrical sleeve body portion 322 extending outwards is formed in the middle of the outer end face of the shaft connection housing 32, at least two mortises 323 are formed on the outer end face of the raised cylindrical sleeve body portion 322, at least two tenons 331 are formed on the inner wall surface of the middle of the ring gear support plate 33, the tenons 331 are inserted and sleeved in the corresponding mortises 323, and the side walls of the tenons 331 are tightly attached to the inner side walls of the corresponding mortises 323;
the inner wall surface of the middle portion of the ring gear support plate 33 is pressed against the outer end surface of the boss cylindrical boss portion 322 of the shaft connection housing 32 and fixedly connected by the fixing bolt 34.
Further, two mortises 323 which correspond to each other up and down or left and right are formed on the outer end face of the raised cylindrical sleeve part 322, and the two mortises 323 and the central through hole of the raised cylindrical sleeve part 322 are provided with through holes;
two tenons 331 are formed on the inner wall surface of the middle portion of the ring gear support plate 33.
Further, a plurality of connecting screw holes are formed in the outer end face of the raised cylindrical sleeve portion 322, a plurality of connecting through holes 332 are formed in the inner wall face of the middle portion of the ring gear support plate 33, the connecting through holes 332 correspond to and align with the corresponding connecting screw holes, the screw portions of the fixing bolts 34 are inserted into the corresponding connecting through holes 332, and the rotating portions of the fixing bolts 34 are pressed against the outer wall face of the retainer ring 35 mounted on the outer end face of the ring gear support plate 33; the retainer ring 35 is inserted and sleeved in a placing groove formed on the outer end face of the middle part of the gear ring support plate 33;
the retainer ring 35 is clamped between the inner end surface of the placement groove of the ring gear support plate 33 and the rotating portion of the fixing bolt 34.
Further, an outer tooth portion is formed on an outer side wall of the ring gear support plate 33.
Further, the outer side wall of the raised cylindrical sleeve body portion 322 of the shaft connection shell 32 is movably connected with a wheel hub 36 through a bearing, the outer end face edge portion of the wheel hub 36 is fixedly connected with a planet carrier 37 through a bolt, a mounting groove is fixed on the inner wall surface of the middle portion of the outer end plate of the planet carrier 37, a first bearing 371 is inserted and sleeved in the mounting groove, the outer wall surface of the outer ring of the first bearing 371 is pressed on the inner side wall of the mounting groove, the outer end of an outer half shaft 81 installed in the shaft connection shell 32 extends out of a central through hole of the raised cylindrical sleeve body portion 322 and a middle through hole of the gear ring support plate 33 and is fixed on the inner ring of the first bearing 371, and by adopting the structure, the outer end of the outer half shaft 81 is supported, so that when transmission is carried out, the stability of the outer half shaft 81 is high, and the effect is good.
In this embodiment, two mortises 323 are formed on the outer end face of the protruding cylindrical sleeve body portion 322, two tenons 331 are formed on the inner wall face of the middle portion of the gear ring support plate 33, the tenons 331 are inserted into the corresponding mortises 323, and the side walls of the tenons 331 are tightly attached to the inner side walls of the corresponding mortises 323, so that the gear ring support plate 33 transmits torsion to the mortises 323 through the tenons 331, namely, on the protruding cylindrical sleeve body portion 322, the transmission effect is good, the torsional strength is high, and the deformation is not easy;
the inner wall surface of the middle part of the ring gear support plate 33 is pressed against the outer end surface of the raised cylindrical sleeve part 322 of the shaft connecting shell 32 and is fixedly connected with the outer end surface of the raised cylindrical sleeve part 322 of the shaft connecting shell 32 through the fixing bolt 34, the fixing bolt 34 mainly has the function of realizing the connection and fixation between the ring gear support plate 33 and the outer end surface of the raised cylindrical sleeve part 322 of the shaft connecting shell 32, the fixing bolt 34 basically does not need to bear torsion force, the deformation of the fixing bolt is reduced, and the service life of the fixing bolt is ensured.
The above embodiments are only for illustrating the utility model and are not to be construed as limiting the utility model, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, therefore, all equivalent technical solutions also belong to the scope of the utility model, and the scope of the utility model is defined by the claims.
Claims (4)
1. The utility model provides an end connection installation mechanism of band pulley limit reduction transaxle, includes hub connection casing (32), its characterized in that: a convex cylindrical sleeve body part (322) extending outwards is formed in the middle of the outer end face of the shaft connecting shell (32), at least two mortises (323) are formed in the outer end face of the convex cylindrical sleeve body part (322), at least two tenons (331) are formed on the inner wall face of the middle of the gear ring supporting plate (33), the tenons (331) are inserted in the corresponding mortises (323), and the side walls of the tenons (331) are tightly attached to the inner side walls of the corresponding mortises (323);
the inner wall surface of the middle part of the gear ring support plate (33) is pressed against the outer end surface of the raised cylindrical sleeve part (322) of the shaft connecting shell (32) and is fixedly connected through a fixing bolt (34).
2. The end-coupling mounting mechanism for a reduction drive axle with a wheel rim as set forth in claim 1, wherein: two mortises (323) which correspond up and down or left and right are formed on the outer end face of the raised cylindrical sleeve body part (322), and the two mortises (323) are communicated with a central through hole of the raised cylindrical sleeve body part (322);
two tenons (331) are formed on the inner wall surface of the middle of the gear ring support plate (33).
3. The end-coupling mounting mechanism for a reduction drive axle with a wheel rim as set forth in claim 2, wherein: the outer end face of protruding cylinder cover body portion (322) is gone up the shaping and is had a plurality of connection spiro union holes, and the shaping has a plurality of connect the through-hole (332) on the middle part internal wall face of ring gear backup pad (33), connect through-hole (332) and the corresponding connection spiro union hole of connecting and align, the screw portion plug bush of fixing bolt (34) is in corresponding connect the through-hole (332), and the rotation portion of fixing bolt (34) presses on the outer wall face of the retaining ring (35) of installation on the outer end face of ring gear backup pad (33).
4. The end-coupling mounting mechanism for a reduction drive axle with a wheel rim as set forth in claim 1, wherein: the outer side wall of the raised cylindrical sleeve body part (322) of the shaft connecting shell (32) is movably connected with a wheel hub (36) through a bearing, the outer end face edge part of the wheel hub (36) is fixedly connected with a planet wheel carrier (37) through a bolt, the inner wall surface of the middle part of an outer end plate of the planet wheel carrier (37) is fixedly provided with an outer ring of a first bearing (371), and the outer end of an outer half shaft (81) installed in the shaft connecting shell (32) extends out of a central through hole of the raised cylindrical sleeve body part (322) and a middle through hole of a gear ring supporting plate (33) and is fixed on an inner ring of the first bearing (371).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220610243.7U CN216886096U (en) | 2022-03-21 | 2022-03-21 | End connection installation mechanism of belt wheel edge speed reduction drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220610243.7U CN216886096U (en) | 2022-03-21 | 2022-03-21 | End connection installation mechanism of belt wheel edge speed reduction drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216886096U true CN216886096U (en) | 2022-07-05 |
Family
ID=82190868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220610243.7U Active CN216886096U (en) | 2022-03-21 | 2022-03-21 | End connection installation mechanism of belt wheel edge speed reduction drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216886096U (en) |
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2022
- 2022-03-21 CN CN202220610243.7U patent/CN216886096U/en active Active
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