CN107795588B - Transmission shaft intermediate support - Google Patents
Transmission shaft intermediate support Download PDFInfo
- Publication number
- CN107795588B CN107795588B CN201710950093.8A CN201710950093A CN107795588B CN 107795588 B CN107795588 B CN 107795588B CN 201710950093 A CN201710950093 A CN 201710950093A CN 107795588 B CN107795588 B CN 107795588B
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- China
- Prior art keywords
- mounting rack
- ring
- annular support
- transmission shaft
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
- B60K17/24—Arrangements of mountings for shafting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/06—Drive shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention discloses a kind of transmission shaft intermediate supports, including the bearing being set on transmission shaft and are arranged in the sealing elements of the bearing two sides, further includes: the first annular support, the second annular support and resilient bushing；The resilient bushing includes outer ring, inner ring and buffering ring；The curved type of the radial section of the buffering ring, and both ends are connect with the outer ring and inner ring respectively；The inner ring is set on the bearing, and is connected with the sealing element；After first annular support and the cooperation of the second annular support, the outer ring can be squeezed.The present invention is while ensuring to offset radial force, the axial impact force of the bearing of intermediate support is effectively eliminated by shaped form buffering ring, thus the service life of bearing can be significantly improved by comparing existing intermediate support, intermediate support is set to give full play to its function, and the present invention is while reaching said effect, structure is more simple, reasonable, is not only convenient for installing, moreover it is possible to reduce production and labour costs.
Description
Technical field
The present invention relates to field car transmissions more particularly to a kind of transmission shaft intermediate supports.
Background technique
Be mounted on the intermediate support of truck drive shaft, have compensation transmission shaft installation error and adapt to traveling in due to
Displacement function caused by engine play caused by the elastic mounting of engine or frame distortion.It is as shown in Figure 1 it is existing in
Between support diagrammatic cross-section, the intermediate support being mounted between the central siphon 100 and universal-joint fork 200 of transmission shaft, mainly by axis
The 300, sealing element 400 mounted in bearing axial sides, elastic element 1 ' and fixed bracket 2 ' is held to form.
Wherein, the effect of elastic element 1 ' is to absorb transmission shaft vibration, reduce noise and bear radial force.In order to guarantee
Radial support rigidity, usual elastic element 1 ' use section for the circular ring structure of rectangle, and have certain hardness requirement, this
The axial rigidity of elastic element 1 ' will be made excessive, slackened and caused in its counteracting running car by the elastic mounting of engine
Engine play or frame distortion caused by the ability that is displaced, and the bearing 300 of intermediate support bears biggish axial direction
Impact force can accelerate the abrasion of bearing 300, this be also existing intermediate support 300 service life of bearing it is shorter the main reason for it
One.
Summary of the invention
The object of the present invention is to provide a kind of transmission shaft intermediate supports, and axial punching is reduced while guaranteeing to bear radial force
Power is hit, so that it is given full play to the function being displaced caused by offsetting engine play or frame distortion, and promote the axis of intermediate support
The service life held.
The technical solution adopted by the invention is as follows:
Including the bearing being set on transmission shaft and the close of the bearing two sides is arranged in a kind of transmission shaft intermediate support
Sealing, further includes: the first annular support, the second annular support and resilient bushing；
The resilient bushing includes outer ring, inner ring and buffering ring；
The curved type of the radial section of the buffering ring, and both ends are connect with the outer ring and inner ring respectively；
The inner ring is set on the bearing, and is connected with the sealing element；
After first annular support and the cooperation of the second annular support, the outer ring can be squeezed.
Preferably, the curved type of the buffering ring, the shaped form include arc, S-shaped or corrugated.
Preferably, opposite sides is installed with the first mounting rack and the second peace respectively on the ontology of first annular support
It shelves；
Opposite sides is installed with third mounting rack and the 4th mounting rack respectively on the ontology of second annular support；
It is respectively provided on first mounting rack, the second mounting rack, third mounting rack and the 4th mounting rack and vehicle frame
Affixed bolt hole；
After first annular support and the cooperation of the second annular support, first mounting rack and third mounting rack are stacked,
The bolt hole on bolt hole and third mounting rack on first mounting rack is concentric；And second mounting rack and the 4th is installed
Frame is stacked, and the bolt hole on bolt hole and the 4th mounting rack on second mounting rack is concentric.
Preferably, the ontology of first annular support is equipped with first step and installs anchor ring, second annular support
Ontology be equipped with second step install anchor ring；
After first annular support and the cooperation of the second annular support, the first step installation anchor ring and second step peace
It fills anchor ring relatively and constitutes groove, the outer ring is placed in the groove, and by first annular support and the second cyclic annular branch
The extruding of frame.
Preferably, limit is respectively equipped on first mounting rack, the second mounting rack, third mounting rack and the 4th mounting rack
Bit architecture；
First mounting rack and third mounting rack phase poststack pass through the position limiting structure mutually locking；
Second mounting rack and the 4th mounting rack phase poststack pass through the position limiting structure mutually locking.
Preferably, flange is further respectively had at the edge that the first step installs anchor ring and second step installation anchor ring；
After first annular support and the cooperation of the second annular support, the flange clamps the two sides of the buffering ring.
Preferably, the inner ring include bearing sleeved part and respectively to the bearing two sides extend extension, it is described
Extension connects with the sealing element；
The one end of the buffering ring far from the outer ring is connect with an extension.
Preferably, reinforcing portion is equipped on the extension not connecting with the buffering ring.
It preferably, further include support ring, the support ring is arranged between the bearing and sealing element and the inner ring.
Preferably, the outer ring, inner ring and buffering ring are structure as a whole.
Compared to existing intermediate support, intermediate support provided by the invention passes through two annular supports and polycyclic combination
Resilient bushing cooperates, and while ensuring to offset radial force, effectively eliminates by the buffering ring that section is shaped form
The axial impact force of the bearing of intermediate support, thus compare existing intermediate support and can significantly improve the service life of bearing,
Intermediate support is set to give full play to its function；Further, above structure provided by the invention is convenient for operation and installation, on reaching
While stating function, product structure is more simplified, reasonable, so that production and labour costs can also be reduced.
Detailed description of the invention
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step description, in which:
Fig. 1 is the partial sectional view of transmission shaft intermediate support in the prior art；
Fig. 2 is the partial sectional view of the embodiment of transmission shaft intermediate support provided by the invention；
Fig. 3 is the axonometric drawing of the embodiment of transmission shaft intermediate support provided by the invention；
Fig. 4 is the isometric cutaway view of the embodiment of resilient bushing provided by the invention；
Fig. 5 is the axonometric drawing of the embodiment of the first annular support provided by the invention；
Fig. 6 is the axonometric drawing of the embodiment of the second annular support provided by the invention.
Description of symbols:
100 central siphon, 200 universal-joint fork, 300 bearing, 400 sealing element, 1 ' elastic element
2 ' fixed 1 resilient bushing of bracket, 11 outer ring, 12 inner ring, 13 buffering rings
121 bearing sleeved part, 122 extension, 123 reinforcing portion, 21 first annular support
211 ontology, 212 first step installs 213 first mounting rack of anchor ring, 214 second mounting rack
22 second annular support, 221 ontology, 222 second step installs 223 third mounting rack of anchor ring
224 the 4th mounting rack, 3 position limiting structure, 4 flange
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
The present invention provides a kind of embodiments of transmission shaft intermediate support, shown referring to figs. 2 and 3, among the transmission shaft
Bearing includes the bearing 300 being set on transmission shaft and the sealing element 400 for being separately positioned on 300 two sides of bearing, and is also wrapped
The first annular support 21 and the second annular support 22 for including resilient bushing 1, being connect with vehicle frame.Wherein, resilient bushing 1 mainly by
Outer ring 11, inner ring 12 and buffering ring 13 form, and outer ring 11 is after the first annular support 21 and the cooperation of the second annular support 22, quilt
The two, which squeezes, fixes, and after being mounted on vehicle frame due to the first annular support 21 and the second annular support 22, opposite transmission shaft
It is static, thus limit the movement axially and radially of outer ring 11；Inner ring 12 is then set on bearing 300, and with sealing element 400
Connect, that is to say that bearing 300 limits the movement of inner ring 12；The both ends of buffering ring 13 are connect with outer ring 11 and inner ring 12 respectively,
Buffering ring 13 in the present invention can then be moved radially or axially as buffer unit, specifically, the radial direction of buffering ring 13
Section can be in thin wall shape and be shaped form, such as arc, S-shaped or corrugated etc. meets its knot for moving radially or axially demand
Structure, due to the structure buffering ring 13 up and down front and back Free Transform amount it is larger, can be with respect to outer ring 11 and about 12 inner ring before
After swing, make the present embodiment ensure offset radial force while, the axial impact force of the bearing of intermediate support can be buffered.It needs
To be illustrated, in actual operation, the material of resilient bushing 1 can use rubber, and aforementioned outer ring 11, inner ring 12 and slow
Molding can be integrally machined by rushing ring 13.
About aforementioned flexible bushing 1, the present invention provides one embodiment for reference, in conjunction with the partial cutaway view of Fig. 4
Shown, outer ring 11, inner ring 12 and buffering ring 13 constitute a L-type ring-type bushing, and wherein buffering ring 13 uses similar S type
Structure, and inner ring 12 then use several fonts (Ω type) structure, specifically as shown in figure 4, including being coated on bearing for being arranged
Bearing sleeved part 121 and the extension 122 that extends respectively to bearing two sides, the extension 122 and 400 phase of aforementioned seal part
It connects；One end of buffering ring 13 is connected with the middle part of outer ring 11, and its one end far from outer ring 11 then with one of two extensions 122 phase
It connects.In view of promoting the intensity of resilient bushing 1, reinforcing can be set on an extension 122 not connecting with buffering ring 13
Portion 123, in the embodiment shown in fig. 4, the reinforcing portion 123 are a structure upwarped.It, can also be into addition, in actual operation
One step considers the integral rigidity of enhancing intermediate support and the steady contact with transmission shaft, such as in bearing 300 and sealing element 400
Support ring is set between inner ring 12, which can select relatively thin but hardness to be higher than the material of resilient bushing 1, make interior
Ring 12 does not contact directly with bearing 300 and sealing element 400, but is connected by support ring with bearing 300 and sealing element 400, with
This promotes the buffer function of resilient bushing 1.
Fig. 5 and Fig. 6 is the reference implementation example of the first annular support 21 and the second annular support 22 that the present invention provided,
The ontology 211 of first annular support 21 is equipped with first step and installs anchor ring 212, correspondingly, in the sheet of the second annular support 22
Body 221 is equipped with second step and installs anchor ring 222, in conjunction with shown in Fig. 2 and Fig. 3, the first annular support in the aforementioned embodiment
21 and second annular support 22 cooperate after be in symmetric relation, wherein first step installs anchor ring 212 and second step and installs anchor ring
222 is opposite, and the two constitutes a groove, and the outer ring 11 of aforementioned flexible bushing 1 can be then placed in the groove, and after being cooperated
The extruding of the first annular support 21 and the second annular support 22 fix (referring to Fig. 2 and Fig. 3)；In conjunction with elasticity shown in Fig. 4
The embodiment of bushing 1, by the fit system of above-mentioned first annular support 21 and the second annular support 22, first step installs anchor ring
212 and the edge of second step installation anchor ring 222 be then clamped in the two sides of buffering ring 13, in order to avoid the mill to buffering ring 13
Damage, it is further contemplated that protection is respectively set at the edge that first step installs anchor ring 212 and second step installation anchor ring 222
Structure, such as fillet, chamfering or flange 4 as shown in Figure 5 and Figure 6, in this way, in the first annular support 21 and the second cyclic annular branch
After frame 22 cooperates, the flange 4 of the two is then clamped in the two sides of buffering ring 13, plays the role of the buffering ring for protecting resilient bushing.
In addition, the opposite sides on the ontology 211 of the first annular support 21 is installed with the first mounting rack 213 and respectively
Two mounting racks 214；Correspondingly, the opposite sides on the ontology 221 of the second annular support 22 is also installed with third installation respectively
The fixed mode of frame 223 and the 4th mounting rack 224, four mounting racks and ontology can use right angle as shown in Figure 5 and Figure 6
Plate is affixed, can also be not construed as limiting with this body by integral forming to this present invention；About aforementioned first annular support 21 and second
Annular support 22 is connect with vehicle frame, specifically can be by the first mounting rack 213, the second mounting rack 214, third mounting rack 223
The bolt hole affixed with vehicle frame is respectively arranged to on the 4th mounting rack 224；Further, in the first annular support 21 and
After the cooperation of two annular supports 22, as shown in connection with fig. 3, the first mounting rack 213 and third mounting rack 223 are stacked, and the first installation
Bolt hole on frame 213 and third mounting rack 223 is in concentric；Correspondingly, the second mounting rack 214 and 224 phase of the 4th mounting rack
It is folded, and the bolt hole on the second mounting rack 214 and the 4th mounting rack 224 is concentric.
On the basis of Fig. 5 and Fig. 6 embodiment, present invention further proposes keep the first annular support 21 and second cyclic annular
Bracket 22 is able to ascend the preferred embodiment of cooperation reliability, specifically can be in the first mounting rack 213, the second mounting rack 214, third
The turnup structure in position limiting structure 3, such as figure is respectively set on mounting rack 223 and the 4th mounting rack 224, in this way in the first ring-type
After bracket 21 and the cooperation of the second annular support 22, the first mounting rack 213 and third mounting rack 223 are stacked and can be by the limits
Structure 3 mutually clamping, locking；Similarly, the second mounting rack 214 and 224 phase poststack of the 4th mounting rack can also pass through 3 phase of position limiting structure
Mutually locking；The thrust generated after cooperating aforementioned outer ring 11 to be extruded again realizes the first annular support 21 and the second annular support 22
Between more firm locking effect.
Finally it should be pointed out that referring to fig. 2, Fig. 5 and Fig. 6, it is contemplated that production cost and simplify overall structure, aforementioned the
One annular support 21 and the second annular support 22 can be the duplicate annular support of structure as illustrated in the drawing, only mutual
Using opposite positional relationship when cooperation.
It is described in detail structure, feature and effect of the invention based on the embodiments shown in the drawings, but more than
Described is only presently preferred embodiments of the present invention, but needs to explain, technology involved in above-described embodiment and its preferred embodiment
Feature, those skilled in the art can close under the premise of not departing from, not changing mentality of designing and technical effect of the invention
Reason ground combination collocation is at a variety of equivalent schemes；Therefore, the present invention does not limit the scope of implementation as shown in the drawings, all according to the present invention
Conception made by change or equivalent example modified to equivalent change, still without departing from specification and illustrate covered essence
It, should all be within the scope of the present invention when refreshing.
Claims (9)
1. a kind of transmission shaft intermediate support, including the bearing being set on transmission shaft and the sealings of the bearing two sides is set
Part, which is characterized in that further include: the first annular support, the second annular support and resilient bushing；
The resilient bushing includes outer ring, inner ring and buffering ring；
The curved type of the radial section of the buffering ring, and both ends are connect with the outer ring and inner ring respectively；
The inner ring is set on the bearing, and is connected with the sealing element；
After first annular support and the cooperation of the second annular support, the outer ring can be squeezed；
The ontology of first annular support is equipped with first step and installs anchor ring, and the ontology of second annular support is equipped with
Second step installs anchor ring；
After first annular support and the cooperation of the second annular support, the first step installation anchor ring and second step mounting ring
Face is opposite and constitutes groove, and the outer ring is placed in the groove, and is squeezed by first annular support and the second annular support
Pressure.
2. transmission shaft intermediate support according to claim 1, which is characterized in that the shaped form includes arc, S-shaped or wave
Line shape.
3. transmission shaft intermediate support according to claim 2, which is characterized in that on the ontology of first annular support
Opposite sides is installed with the first mounting rack and the second mounting rack respectively；
Opposite sides is installed with third mounting rack and the 4th mounting rack respectively on the ontology of second annular support；
It is respectively provided on first mounting rack, the second mounting rack, third mounting rack and the 4th mounting rack affixed with vehicle frame
Bolt hole；
After first annular support and the cooperation of the second annular support, first mounting rack and third mounting rack are stacked, described
The bolt hole on bolt hole and third mounting rack on first mounting rack is concentric；And second mounting rack and the 4th mounting rack phase
Folded, the bolt hole on bolt hole and the 4th mounting rack on second mounting rack is concentric.
4. transmission shaft intermediate support according to claim 3, which is characterized in that in first mounting rack, the second installation
Position limiting structure is respectively equipped on frame, third mounting rack and the 4th mounting rack；
First mounting rack and third mounting rack phase poststack pass through the position limiting structure mutually locking；
Second mounting rack and the 4th mounting rack phase poststack pass through the position limiting structure mutually locking.
5. transmission shaft intermediate support according to claim 1, which is characterized in that install anchor ring and the in the first step
The edge of two steps installation anchor ring further respectively has flange；
After first annular support and the cooperation of the second annular support, the flange clamps the two sides of the buffering ring.
6. transmission shaft intermediate support according to claim 2, which is characterized in that the inner ring include bearing sleeved part and
The extension extended respectively to the bearing two sides, the extension connect with the sealing element；
The one end of the buffering ring far from the outer ring is connect with an extension.
7. transmission shaft intermediate support according to claim 6, which is characterized in that described in not connect with the buffering ring
Extension is equipped with reinforcing portion.
8. transmission shaft intermediate support according to claim 6, which is characterized in that further include support ring, the support ring is set
It sets between the bearing and sealing element and the inner ring.
9. described in any item transmission shaft intermediate supports according to claim 1~8, which is characterized in that the outer ring, inner ring and
Buffering ring is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950093.8A CN107795588B (en) | 2017-10-12 | 2017-10-12 | Transmission shaft intermediate support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710950093.8A CN107795588B (en) | 2017-10-12 | 2017-10-12 | Transmission shaft intermediate support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107795588A CN107795588A (en) | 2018-03-13 |
| CN107795588B true CN107795588B (en) | 2019-03-26 |
Family
ID=61533901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710950093.8A Active CN107795588B (en) | 2017-10-12 | 2017-10-12 | Transmission shaft intermediate support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107795588B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11396911B2 (en) * | 2019-12-20 | 2022-07-26 | Hamilton Sundstrand Corporation | Bearing arrangements, transmission assemblies, and methods of making bearing arrangements for transmission assemblies |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639150A (en) * | 1985-03-29 | 1987-01-27 | Ford Motor Company | Intermediate bearing for the propeller shaft of a motor vehicle |
| JPH08159155A (en) * | 1994-12-09 | 1996-06-18 | Nok Megurasutikku Kk | Center bearing support |
| CN1907748A (en) * | 2005-08-02 | 2007-02-07 | Gkn动力传动系统有限公司 | Drive assembly with intermediate bearing |
| JP2007230296A (en) * | 2006-02-28 | 2007-09-13 | Nok Corp | Mounting structure of center bearing support |
| CN203962756U (en) * | 2014-07-22 | 2014-11-26 | 安徽江淮汽车股份有限公司 | Transmission shaft |
| CN205601605U (en) * | 2016-05-17 | 2016-09-28 | 安徽江淮汽车股份有限公司 | Transmission shaft intermediate strut assembly |
-
2017
- 2017-10-12 CN CN201710950093.8A patent/CN107795588B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639150A (en) * | 1985-03-29 | 1987-01-27 | Ford Motor Company | Intermediate bearing for the propeller shaft of a motor vehicle |
| JPH08159155A (en) * | 1994-12-09 | 1996-06-18 | Nok Megurasutikku Kk | Center bearing support |
| CN1907748A (en) * | 2005-08-02 | 2007-02-07 | Gkn动力传动系统有限公司 | Drive assembly with intermediate bearing |
| JP2007230296A (en) * | 2006-02-28 | 2007-09-13 | Nok Corp | Mounting structure of center bearing support |
| CN203962756U (en) * | 2014-07-22 | 2014-11-26 | 安徽江淮汽车股份有限公司 | Transmission shaft |
| CN205601605U (en) * | 2016-05-17 | 2016-09-28 | 安徽江淮汽车股份有限公司 | Transmission shaft intermediate strut assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107795588A (en) | 2018-03-13 |
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