GB2189574A - Vehicle axle mounting - Google Patents
Vehicle axle mounting Download PDFInfo
- Publication number
- GB2189574A GB2189574A GB08709603A GB8709603A GB2189574A GB 2189574 A GB2189574 A GB 2189574A GB 08709603 A GB08709603 A GB 08709603A GB 8709603 A GB8709603 A GB 8709603A GB 2189574 A GB2189574 A GB 2189574A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mounting
- half shells
- supporting
- wall
- shell
- 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.)
- Granted
Links
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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/393—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type with spherical or conical sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/22—Resilient suspensions characterised by arrangement, location or kind of springs having rubber springs only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
- Support Of The Bearing (AREA)
Abstract
A mounting for mounting the axle casing of a vehicle axle in the vehicle chassis comprises two mounting half shells (1, 2) detachably secured together in abutting relationship, one of the half shells (1, 2) being secured to the vehicle chassis, and two abutting supporting half shells (8) carrying on their inner surface elastic strip material (11) which is in a pre-stressed state when the supporting half shells (8) are positioned within the assembled mounting half shells (1, 2), and the elastic strip material (11) being in contact with the outer surface of the axle casing (13). The total external circumferential length of the two supporting half shells (8) is greater than the internal circumference of the opening in the assembled mounting half shells (1, 2) and at least one deflection space (18) is provided in the region of a butt joint between the supporting shell halves (8) to take up distortion thereof. This arrangement allows coarser tolerances and therefore cheaper production methods to be used for the inner surface (6) of the mounting half shells (1, 2) and the outer surface of the axle casing (13). <IMAGE>
Description
SPECIFICATION
Vehicle axle mounting
The present invention relates to a mounting for mounting an axle casing of a vehicle axle in the chassis of the vehicle, of the kind in which elastic strip material applied to two complementary supporting half shells is disposed in a pre-stressed state between the axle casing and the vehicle chassis, and in which the mounting comprises two mounting half shells which are detachably connected to one another to form a circular mounting and one of which is secured to the vehicle chassis.
A mounting of this kind is known in a forklift truck on which a respective mounting half shell is connected to the chassis on each side of the vehicle and a second mounting half shell is connected to the first mounting half shell in each case by bolts, so that the two mounting half shells form a closed ring, and a ring of elastic strip material vulcanised onto a supporting shell in the manner of a rubber and metal vibration mounting is mounted within the ring formed by the two mounting half shells, the supporting shell with the strip of elastic material also consisting of two semicircular parts. In this case, the chassis is supported on the axle casing through the elastic material (see German Patent Specification OS 33 41 740.7).The elastic material forms a vibration insulator so that vibration from the axle casing are not transmitted to the chassis and consequently no noise can be emitted by the large areas of the chassis as a result of such vibrations. The inside surface of the two mounting half shells is exactly cylindrical and hollow and the outside surface of the two supporting half shells is exactly cylindrical. The elastic material must be pre-stressed so that the required supporting force can be transmitted in all load conditions while vibrations are damped. To this end, the tolerance range is so chosen that the internal diameter of the inside surface of the two mounting half shells is always somewhat less than the outer diameter of the ring formed by the two supporting half shells so that the two supporting half shells are always slightly pre-stressed in the bore of the two mounting half shells.In order to achieve defined pre-stressing of the elastic material, the inner diameter of the ring formed by the two assembled mounting shells and the outer diameter of the axle casing must correspond to predetermined dimensions with a fairly high degree of precision, such that the difference between the inner diameter of the mounting shell ring and the outer diamter of the axle casing is smaller by a fixed amount than the sum of the wall thickness of the supporting shell plus the wall thickness of the elastic strip material in its unfitted state.
The required precision of the inner diameter of the ring formed by the two mounting shell halves and the outer diameter of the axle casing necessitates sufficiently precise and therefore costly machining in the region of the mounting. The two supporting half shells connected to the elastic material bear directly on the inner wall of the mounting shells and the axle casing bears directly on the elastic material.
It is an object of the present invention to provide a mounting which permits greater dimensional tolerances and therefore makes production cheaper.
According to the invention, there is provided a mounting for mounting an axle casing of an axle of a vehicle in the vehicle chassis comprising two mounting half shells detachably connected in abutting relationship to form a hollow mounting shell, one of said half shells being connected to the vehicle chassis and elastic strip material applied to the inner wall of two complementary supporting half shells and disposed in a pre-stressed state between the inner wall of said mounting shell and the outer wall of said axle casing so that the elastic material is in contact with said axle casing, wherein the total external circumferential length of said two supporting half shells is greater than the internal circumference of the opening in the hollow mounting shell, and wherein at least one deflection space is provided in the region of a butt joint between said supporting half shells.Given that the total external circumferential length of the two supporting half shells is greater by at least a fixed amount than the internal circumference of the cylindrical bore in the assembled mounting half shells, the ends of the supporting half shells must distort in the area of the butt joint when the mounting half shells are assembled. The amount of this distortion depends on the actual internal circumference of the opening of the assembled mouting half shells. However, irrespective of the amount of the distortion, the elastic material will always be pre-stressed to a value lying between the minimum required pre-stressing and the maximum permis sible pre-stressing.
In one preferred embodiment of the invention, the inner wall of the deflection space is so arranged that at maximum distortion of the ends of the supporting shells, at least the outer edges of the shell ends bear against specific points on the inner wall of the deflection space.
The invention will now be further described with reference to the drawing, in which:
Figure 1 is a schematic axial view, partly in section, of a mounting according to the invention; and
Figure 2 is a section taken along the line Il-lI of Fig. 1.
Referring to the drawing, a mounting half shell 1 is connected to the vehicle chassis (not shown) in a manner which is also not shown. A second mounting half shell 2 is detachably connected to the mounting half shell 1 and held by threaded bolts 3 which pass in each case through a bolt hole 4 in the mounting half shell 2 and a threaded hole 5 in the mounting half shell 1.
The inner wall 6 of the mounting half shell 2 and the corresponding inner wall of the mounting half shell 1 support two supporting half shells 8 which are also semi-circular and the outside wall 9 of which rests against the inner wall 6 of the mounting half shells 1 and 2. For rigidity, the supporting half shells 8 have a circumferential groove 10.
Elastic strip material 11 is applied on the inner surface of the supporting half shells 8.
The outer wall 12 of a tubular axle casing 13 bears directly on the inner face of the elastic material.
The supporting half shell 8 shown at the top in Fig. 1 has two ends 14 and 15 and the supporting half shell 8 shown at the bottom in
Fig. 1 has two ends 16 and 17, so that the two supporting half shell ends 15 and 16 abut against one another and the two supporting half shell ends 14 and 17 abut against one another. The diameter of the inner wall surface 6 is such that when the two mounting half shells 1 and 2 are assembled together, the outer diameter of the unstressed supporting half shells 8 is somewhat greater than the diameter of the inner wall surface 6.A deflection space 18 is provided in each of the two mounting half shells 1 and 2 in the region of the ends 15 and 16 and 14 and 17 respectively of the supporting half shells 8 and the inner wall 19 of each deflection space is expediently so formed that the outermost edges of the ends 14 and 17 and 15 and 16 respectively bear against the respective inner wall 19 when the ends show their maximum distortion.
The additional length of the supporting shells 8 in combination with the deflection spaces 18 allows very coarse tolerances to be used for the diameter of the inner wall 6 and for the diameter of the outer surface 1-2 of the axle casing 13, thus permitting the use of cheap machining methods to produce these surfaces; if necessary, the surfaces 6 and 12 can be unmachined cast surfaces, or the surface 6 can be a surface produced by gas cutting.
Since the continuous supporting half shells 8 lie in the plane of the butt joint 20 between the mounting half shells 1 and 2, these supporting half shells absorb forces at the edge of the butt joint so that forces acting parallel to the butt joint 20 do not have to be absorbed only by the friction generated by the bolts 3 in the surfaces of the butt joint 20, but are also partially absorbed by the supporting half shell 8.
The mounting in accordance with the invention is not only applicable in the circular form illustrated in the embodiment illustrated; it can also be used when the axle casings and the corresponding mounting shells are ellipitical or polygonal.
The mounting in accordance with the invention makes it possible to increase the tolerances to roughly double those previously permissible; for example, when the mounting shells have a free inner diameter of 225 mm, the supporting shells can exceed this by more than 10 mm at the circumference.
Claims (3)
1. A mounting for mounting an axle casing of an axle of a vehicle in the vehicle chassis comprising two mounting half shells detachably connected in abutting relationship to form a hollow mounting shell, one of said half shells being connected to the vehicle chassis and elastic strip material applied to the inner wall of two complementary supporting half shells and disposed in a pre-stressed state between the inner wall of said mounting shell and the outer wall of said axle casing so that the elastic material is in contact with said axle casing, wherein the total external circumferential length of said two supporting half shells is greater than the internal circumference of the opening in the hollow mounting shell, and wherein at least one deflection space is provided in the region of a butt joint between said supporting half shells.
2. A mounting as claimed in Claim 1, wherein the inner wall of the deflection space is so arranged that the abutting ends of the supporting half shell bear on the inner wall of the deflection space at predetermined regions, when the ends of said supporting shell halves exhibit their maximum distortion.
3. A mounting for mounting an axle casing of an axle of a vehicle in the vehicle chassis, substantially as hereinbefore described with reference to and as shown in the drawing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863613925 DE3613925A1 (en) | 1986-04-24 | 1986-04-24 | STORAGE FOR THE AXLE OF A VEHICLE |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8709603D0 GB8709603D0 (en) | 1987-05-28 |
| GB2189574A true GB2189574A (en) | 1987-10-28 |
| GB2189574B GB2189574B (en) | 1989-12-06 |
Family
ID=6299464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8709603A Expired GB2189574B (en) | 1986-04-24 | 1987-04-23 | Vehicle axle mounting |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3613925A1 (en) |
| FR (1) | FR2597799A1 (en) |
| GB (1) | GB2189574B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1677025A1 (en) * | 2005-01-04 | 2006-07-05 | Jörn GmbH | Metal elastomer pivot bearing, particularly central joint for a triangular axle suspension arm |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653654B4 (en) * | 1996-12-20 | 2008-01-31 | Linde Material Handling Gmbh | Storage of a drive axle |
| DE102011079163B4 (en) * | 2011-07-14 | 2020-06-10 | Saf-Holland Gmbh | Storage unit for commercial vehicles |
| CA3099279A1 (en) * | 2018-05-03 | 2019-11-07 | Magna International Inc. | Electronically-controlled axle braking system and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1516572A (en) * | 1976-03-05 | 1978-07-05 | Joern Gmbh | Bushing assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609194A (en) * | 1943-02-03 | 1952-09-02 | Goodrich Co B F | Spring |
| DE1288455B (en) * | 1966-03-29 | 1969-01-30 | Eberhardt Peka Fahrzeug | Torsion rubber spring axle for the suspension of vehicles |
| US4487133A (en) * | 1982-09-24 | 1984-12-11 | The Budd Company | Primary suspension system for providing low vertical and longitudinal spring rates in a railway cap |
-
1986
- 1986-04-24 DE DE19863613925 patent/DE3613925A1/en not_active Withdrawn
-
1987
- 1987-04-23 GB GB8709603A patent/GB2189574B/en not_active Expired
- 1987-04-24 FR FR8705810A patent/FR2597799A1/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1516572A (en) * | 1976-03-05 | 1978-07-05 | Joern Gmbh | Bushing assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1677025A1 (en) * | 2005-01-04 | 2006-07-05 | Jörn GmbH | Metal elastomer pivot bearing, particularly central joint for a triangular axle suspension arm |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2189574B (en) | 1989-12-06 |
| GB8709603D0 (en) | 1987-05-28 |
| FR2597799A1 (en) | 1987-10-30 |
| DE3613925A1 (en) | 1987-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |