CN205401540U - Hydraulic retarber main shaft structure with journal collar - Google Patents
Hydraulic retarber main shaft structure with journal collar Download PDFInfo
- Publication number
- CN205401540U CN205401540U CN201620155556.2U CN201620155556U CN205401540U CN 205401540 U CN205401540 U CN 205401540U CN 201620155556 U CN201620155556 U CN 201620155556U CN 205401540 U CN205401540 U CN 205401540U
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- Prior art keywords
- main shaft
- retarder
- connecting portion
- journal collar
- journal
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Abstract
The utility model discloses a hydraulic retarber main shaft structure with journal collar, including main shaft (2), main shaft (2) middle part cover is equipped with rotor blade wheel (7), drive gear (8) are installed to the one end that main shaft (2) are close to the hydraulic retarber outside, the one end detachable connections that main shaft (2) are close to the hydraulic retarber inside has journal collar (1) that is used for support bearing (9). After adopting this kind of structure, can install rotor blade wheel and fixed stator impeller 's bearing smoothly.
Description
Technical field
This utility model relates to Retarder field, specifically be a kind of Retarder main axle structure with journal collar.
Background technology
Retarder is a kind of auxiliary brake device for automobile, is mainly used in motorbus, urban public traffic vehicles, heavy truck and military vehicle；Along with user's raising to car load travelling brake security requirement, car load coupling Retarder has become trend.
Main shaft is the vitals in Retarder, plays the effect that the brake force of Retarder is delivered to automobile gearbox.In prior art, integrated spindle axis molding, main shaft is used for installing travelling gear near the one end outside Retarder, the middle part of main shaft is used for installing impeller of rotor, near the one end within Retarder for installing the bearing of fixed stator impeller on main shaft.But on Retarder product newly developed, due to when design, in order to increase the braking torque of main shaft and not reduce the intensity installing fixed stator impeller bearing, have employed following design: in the middle part of main shaft for install the radius at impeller of rotor place less than on main shaft for installing the radius at the bearing place of fixed stator impeller.After adopting so design, if the structure of main shaft still adopts the structure of integrated spindle axis molding in prior art to will result in following deficiency: due in the middle part of main shaft for install the radius at impeller of rotor place less than on main shaft for installing the radius at the bearing place of fixed stator impeller, such impeller of rotor cannot be installed to the impeller of rotor installation place main shaft from one end of main shaft.
Utility model content
Technical problem to be solved in the utility model is to provide the Retarder main axle structure with journal collar of a kind of bearing that can install impeller of rotor and fixed stator impeller smoothly.
For solving above-mentioned technical problem, this utility model has the Retarder main axle structure of journal collar, including main shaft；It is set with impeller of rotor in the middle part of described main shaft；Main shaft is provided with travelling gear near the one end outside Retarder；Described main shaft is removable near the one end within Retarder is connected to the journal collar for spring bearing.
Described removable journal collar one end that is connected as is provided with the main shaft connecting portion being connected with main shaft, it is provided with and the limit chamber of main shaft socket at main shaft connecting portion, main shaft connecting portion is socketed on main shaft, in the middle part of described journal collar in the axial direction on have in order to by the through hole of bolt, described main shaft is provided with screwed hole in the axial direction in the middle part of the one end within Retarder, and bolt is connected through through hole with screwed hole；The diameter of described limit chamber is equal to the main shaft diameter near the one end within Retarder；Described limit chamber is coaxial with main shaft；Described through hole is coaxial with screwed hole.
Described journal collar is provided with, away from one end of main shaft connecting portion, the flange shaft connecting portion being connected with flange shaft in Retarder；The end of described flange shaft connecting portion has the limiting section extended radially；Described main shaft connecting portion, flange shaft connecting portion and main shaft are coaxial.
Described limiting section has least one set with journal collar axisymmetrical and the dismounting plane that is parallel to each other.
Described flange shaft connecting portion is provided with the accommodation chamber holding bolt nut；The cavity wall in described accommodation chamber has the ring screw face being connected with flange shaft；The axis in described ring screw face and the dead in line of journal collar.
The end of described flange shaft connecting portion is provided with the groove for locating flange axle.
After adopting above structure, this utility model is compared with prior art, have the advantage that 1, that main axle structure is designed to one end is removable is connected to the journal collar for spring bearing, so, can first impeller of rotor be arranged in the middle part of main shaft, bearing for installing fixed stator impeller is arranged on journal collar, then again journal collar is connected with main shaft, it is possible to smoothly impeller of rotor is installed in the middle part of main shaft again and bearing is arranged on journal collar.2, the size of journal collar can design according to the size of the bearing of required fixed stator impeller, if required bearing diameter changes, and the corresponding diameter changing journal collar, it is possible to meet different designing requirements.3, the axiality of journal collar and main shaft is high, is connected on the main shaft of Retarder and can substitute main shaft support bearing, and such Retarder can play the effect of protection main shaft in long-play；4, journal collar is simple relative to Retarder main axle structure, low cost, even if damaging, it is also possible to change in time, reduces maintenance cost；5, journal collar can adopt, wearability better material making higher than Retarder main shaft hardness；Thus improving the life-span that main shaft is overall.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram that this utility model has the Retarder main axle structure of journal collar.
Fig. 2 is the schematic cross-section that this utility model has the journal collar in the Retarder main axle structure of journal collar.
Fig. 3 is the structural representation that this utility model has the journal collar in the Retarder main axle structure of journal collar.
Fig. 4 is the structural representation that this utility model has another visual angle of journal collar in the Retarder main axle structure of journal collar.
Wherein: 1, journal collar；1.1, through hole；2, main shaft；2.1, screwed hole；3, flange shaft；4, main shaft connecting portion；4.1, limit chamber；5, flange shaft connecting portion；5.1, limiting section；5.2, dismounting plane；5.3, ring screw face；5.4, chamber is held；5.5, groove；6, bolt；7, impeller of rotor；8, travelling gear；9, bearing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, utility model is described in more detail.
Shown in accompanying drawing 1 to accompanying drawing 4, this utility model has the Retarder main axle structure of journal collar, including main shaft 2；It is set with impeller of rotor 7 in the middle part of described main shaft 2；Main shaft 2 is provided with travelling gear 8 near the one end outside Retarder；Described main shaft 2 is removable near the one end within Retarder is connected to the journal collar 1 for spring bearing 9.
Described removable journal collar 1 one end that is connected as is provided with the main shaft connecting portion 4 being connected with main shaft 2, it is provided with and the limit chamber 4.1 of main shaft 2 socket at main shaft connecting portion 4, main shaft connecting portion 4 is socketed on main shaft 2, in the middle part of described journal collar 1 in the axial direction on have in order to by the through hole 1.1 of bolt 6, described main shaft 2 is provided with screwed hole 2.1 in the axial direction in the middle part of the one end within Retarder, and bolt 6 is connected through through hole 1.1 with screwed hole 2.1；The diameter of described limit chamber 4.1 is equal to the main shaft 2 diameter near the one end within Retarder；Described limit chamber 4.1 is coaxial with main shaft 2；Described through hole 1.1 is coaxial with screwed hole 2.1.So, both can ensure that the axiality of journal collar 1 and main shaft 2, it is possible to install easily or change bearing, impeller of rotor.The service behaviour of main shaft is can ensure that further after ensureing the axiality of journal collar 1 and main shaft 2.
Described journal collar 1 is provided with, away from one end of main shaft connecting portion 4, the flange shaft connecting portion 5 being connected with flange shaft in Retarder 3；The end of described flange shaft connecting portion 5 has the limiting section 5.1 extended radially；Described main shaft connecting portion 4, flange shaft connecting portion 5 and main shaft 2 are coaxial.
Described limiting section 5.1 has least one set with journal collar 1 axisymmetrical and the dismounting plane 5.2 that is parallel to each other.The present embodiment has two groups of dismounting planes 5.2 being parallel to each other, so can easy disassembly journal collar 1.
Described flange shaft connecting portion 5 is provided with the accommodation chamber 5.4 holding bolt 6 nut；The cavity wall in described accommodation chamber 5.4 has the ring screw face 5.3 being connected with flange shaft 3；The axis in described ring screw face 5.3 and the dead in line of journal collar 1.Holding chamber 5.4 and also have another effect: be exactly when Retarder runs, lubricating oil, through holding chamber 5.4, holds chamber 5.4 and plays the effect of conveying lubricating oil.
The end of described flange shaft connecting portion 5 is provided with the groove 5.5 for locating flange axle 3.
This utility model is not limited to structures described above, in the ken that person of ordinary skill in the field possesses, it is also possible to make a variety of changes under the premise without departing from this utility model objective.
Claims (6)
1. there is a Retarder main axle structure for journal collar, including main shaft (2)；Described main shaft (2) middle part is set with impeller of rotor (7)；Main shaft (2) is provided with travelling gear (8) near the one end outside Retarder；It is characterized in that: described main shaft (2) is near the removable journal collar (1) being connected to for spring bearing (9) in one end within Retarder.
2. the Retarder main axle structure with journal collar described in claim 1, it is characterized in that: described removable journal collar (1) one end that is connected as is provided with the main shaft connecting portion (4) being connected with main shaft (2), the limit chamber (4.1) being socketed with main shaft (2) it is provided with at main shaft connecting portion (4), main shaft connecting portion (4) is socketed on main shaft (2), described journal collar (1) middle part in the axial direction on have in order to by the through hole (1.1) of bolt (6), described main shaft (2) is provided with screwed hole (2.1) in the axial direction in the middle part of the one end within Retarder, bolt (6) is connected through through hole (1.1) with screwed hole (2.1)；The diameter of described limit chamber (4.1) is equal to the diameter of the close one end within Retarder of main shaft (2)；Described limit chamber (4.1) is coaxial with main shaft (2)；Described through hole (1.1) is coaxial with screwed hole (2.1).
3. the Retarder main axle structure with journal collar described in claim 2, it is characterised in that: described journal collar (1) is provided with, away from one end of main shaft connecting portion (4), the flange shaft connecting portion (5) being connected with flange shaft in Retarder (3)；The end of described flange shaft connecting portion (5) has the limiting section (5.1) extended radially；Described main shaft connecting portion (4), flange shaft connecting portion (5) and main shaft (2) are coaxial.
4. the Retarder main axle structure with journal collar described in claim 3, it is characterised in that: described limiting section (5.1) has least one set with journal collar (1) axisymmetrical and the dismounting plane (5.2) that is parallel to each other.
5. the Retarder main axle structure with journal collar described in claim 3, it is characterised in that: described flange shaft connecting portion (5) is provided with the accommodation chamber (5.4) holding bolt (6) nut；The cavity wall of described accommodation chamber (5.4) has the ring screw face (5.3) being connected with flange shaft (3)；The axis of described ring screw face (5.3) and the dead in line of journal collar (1).
6. the Retarder main axle structure with journal collar described in claim 3, it is characterised in that: the end of described flange shaft connecting portion (5) is provided with the groove (5.5) for locating flange axle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155556.2U CN205401540U (en) | 2016-03-01 | 2016-03-01 | Hydraulic retarber main shaft structure with journal collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155556.2U CN205401540U (en) | 2016-03-01 | 2016-03-01 | Hydraulic retarber main shaft structure with journal collar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401540U true CN205401540U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620155556.2U Active CN205401540U (en) | 2016-03-01 | 2016-03-01 | Hydraulic retarber main shaft structure with journal collar |
Country Status (1)
| Country | Link |
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| CN (1) | CN205401540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697605A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Hydraulic retarder spindle structure with journal collar |
-
2016
- 2016-03-01 CN CN201620155556.2U patent/CN205401540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697605A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Hydraulic retarder spindle structure with journal collar |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |