JPH05505991A - Multi-purpose suspension system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Multi-purpose suspension system The present invention applies to bodies that are stationary or moving on land or water, or bodies that move in the air. Suspension systems for improving the static or dynamic stability of vehicles, especially those on the ground or in the air. Installed in the cabin, cargo compartment, or baggage compartment of each medium and water vehicle, as well as on the ground. (all referred to in this specification as the body) This invention relates to a suspension system that can be applied to

Rigid bodies of the above types, depending on their arrangement and purpose, are suitable for use in waves, ground, etc. They are exposed to various shocks caused by unevenness, ground vibrations, turbulence, etc. Book The primary objective of the invention is to reduce these and other effects in various bodies There is a particular thing. It replaces a traditional monolithic structure with one center of gravity with its own center of gravity. By disassembling it into a composite device consisting of multiple independent mass bodies, each of which has its own is done. These multiple independent mass bodies each have a small number (each has one other mass) They are connected to the body so that one can move relative to the other.

One known example of a device of this type is a device required to drive over highly uneven terrain. It has already been applied to suspension systems for automobiles.

The device has limited angular movement with respect to an axis extending along the longitudinal centerline of the vehicle. one arm pivotally connected to at least one end of the chassis of the vehicle to effect movement; I can do it. This arm is connected to the wheels by sliding links on each end of the arm. is connected to the axle of the Each link incorporates a spring that applies downward pressure on the axle. ing.

According to the invention, a suspension for elastically mounting a rigid body on a rigid base assembly is provided. The racking system is confined with respect to an axis that is orthogonally aligned with the central longitudinal axis of the foundation assembly. The body is spring-supported from the base assembly so as to perform relative angular movement, and the body is attached to the base assembly. an intermediate frame rotatably supported for limited horizontal and vertical movement; Restrictions on the foundation assembly with respect to the axis parallel to the axis of rotation of the frame body and the intermediate frame body the body; and arm means connected to opposite sides of the.

An embodiment of the present invention is applied to automobiles used on difficult terrain with uneven surfaces. The following description will be made with reference to the accompanying drawings.

FIG. 1 shows a first embodiment of the invention using a semi-elliptical leaf spring or coil spring. FIG. 2 is an exploded perspective view of the vehicle suspension system.

FIG. 2 is a front view of the suspension system according to the first embodiment of the invention.

3 is a side view of the suspension device of FIG. 2; FIG.

FIG. 4 shows a second embodiment of the invention using a semi-elliptical leaf spring or coil spring. FIG. 3 is a plan view of the suspension device.

Figure 5 shows the side of a suspension according to the invention using semi-elliptic leaf springs or coil springs. It is a front view.

Figure 6 shows the theoretical main structure underlying the suspension system of the present invention and various configurations of the suspension system. indicates the direction of movement of the element.

Figures 7 to 10 illustrate land vehicles, boats, land aircraft, and prefabricated constructions, respectively. Objects are shown, if necessary in partial section, to illustrate some of the various uses and suspension devices of the invention. Showing the free movement of.

FIG. 11 is an enlarged perspective view of a cross link used in the split axle shown in FIGS. 8 and 9. It is.

1-3, the vehicle chassis/body structure IO and its respective axle 18. Support consisting of front wheels 14 and rear wheels 16 with tires mounted on 20 The means and the suspension installed between the body structure 10 and the support means are shown. There is. This suspension system includes opposing pairs of side arms 26, 28, 30.32. An intermediate frame body 22 is provided. Each arm 26, 28.30.32 The ends are pivotally connected to respective pins 34, 36, 38, 40. Each arm 26.2 The other end of 8.30.32 is located at each of the four corners of the frame body 22. Cross links 42. 44. 46. It is slidably attached to 48. Fray Arms 50 and 54 are further installed at the front and rear ends of the arm body 22, respectively. It will be done. Arms 50 and 54 are connected to each end of body structure IO by pins 58.60. It is pivoted to the section. Pins 58.60 are connected to the longitudinal centerline (12 ) is placed on top. The ends of each of the front and rear arms 50 and 54 are provided with cross links. 42, 44, and 46.48, respectively. arm 50 and 54, stoppers 49 are provided on both sides of the cross link 42°44.46.48. and restricts radial movement of the vehicle body structure 10.

The front wheel 14 attached to the axle 18 is installed between the axle 18 and the frame body 22. is pressed downward by the coiled spring 62.

The coil spring 62 is attached at its upper end to the side arms 26, 28 of the frame body 22. , and is attached to the axle 18 at the lower end. The rear wheel 16 attached to the axle 20 is A semi-elliptical plate 64 installed between the axle 20 and the frame body 22 lowers the being pushed towards The leaf spring 64 is fixed to the axle 20 by a U-bolt 66, and It is pivotally connected to the frame body 22 by shackles 68 at both ends. Shackle 6 8 is pivotally connected to the side arm 30.32 of the frame body 22 (see FIGS. 1 and 5). ). A leaf spring 64 is attached to the body structure 10 by a pivoted shackle 68. It is possible to perform even larger movements, and it is also possible to omit the arm 78, which will be described later. . The front coil spring 62 is a semi-elliptical plate attached in the same way as the plate spring 64. You can also replace it with

Arm means 70 and 72 are centrally located on front axle 18 and rear axle 20, respectively. It is rotatably attached by pins 71 and 73. Axis of arm means 70 and 72 coincide with the central vertical axis at the front and rear ends of the body structure assembly. a The arm means 70.72 have a pivotable right extension 70A, 72A and a pivotable left extension, respectively. It includes extension parts 70B and 72B. Rotating type right extension 70A, 72A and rotating type The left extensions 70B, 72B extend to the body structure 10 and extend to the body structure 1. 0 bracket 74. Arm means 70°72 and their extensions , when the vehicle is braking while driving around a bend or on an uneven surface. Suppress or control body roll.

A pair of arms 76 are pivotally connected at one end to each of the axles 18.20, and a pair of arms 76 are The arm 78 is at a different height than the arm 76 at one end and has a coil spring 62 or an attachment point. It is pivoted only to the axle that is attached. Each arm 76,78 is connected to the vehicle body 1 at their other end. The radial movement of the vehicle body during cornering and the vehicle body during braking is This contributes to the control of the forward movement of (see Figs. 2 and 3).

Preferably the body structure 10 comprises an opening 82 for receiving the piston means 8o. It is formed by The piston means 8o is mounted on a spring 81 and held by a retainer 83. and held in place on the body structure. Both the right and left side pistons of the body structure The ton means are connected together at 80A for simultaneous operation. piston Means 8o is configured to control the body structure when the working medium is supplied to the space above each piston. Lift the body 10 to a higher position relative to the ground, and move the wheels 14 and 16 and the car. To absorb or adjust shocks that disturb comfortable riding comfort of both body structures 10.

By raising the body structure 1o relative to the ground, this suspension system further higher axle displacement, improved shock absorption, and at least two other features within the suspension system. The free movement of the body structure IO, i.e. the vertical lifting and lowering movement of the body structure IO with respect to the ground, provides even more advantages. Any suitable method to lift the body structure A medium, such as compressed fluid, compressed air, pressurized fluid, or a combination thereof, is introduced into opening 8. 2 can be supplied.

4, 5, 6 and 7 illustrate the principles of the invention as applied to land vehicles, for example.

Its main devices are a body structure 1o, arms 26°28, 30. 32, intersection Differential sliding links 42, 44, 46, 48 and coil spring 62 or semi-elliptical leaf spring 64 or a combination thereof (shown in FIG. 5). (shown in phantom) and attached to the center of the axle and attached to the side bracket 74 of the body structure. Each arm extending up to ? An arm that pivotally supports OA, 72A, 70B, and 72B. arm means 70.72 and members 76 as support arms mounted at different heights. 78 and a front axle assembly with members 14 and 16 as ground supports for the body structure. It comprises a body 18 and a rear axle assembly 2°.

The illustrative example set forth in the appended claims includes an arm in which the axle is pivotally mounted. to the body structure because it is connected to the center of the body structure only by means. as well as providing improved axle displacement, respectively, as explained with reference to Figure 1. Shock absorption is achieved by lifting means consisting of members 82 and 80 that are equipped and actuated. The present invention provides improvements in the following.

FIG. 8 shows another application of the invention. In this application, the integral axle 18 of FIG. The split axle 84 is replaced and the ground support wheels 14.16 keep the body above the water. at least one inflatable member 12A that maintains the temperature.

FIG. 9 shows another application of the invention applied to a typical aircraft landing means. this The aircraft is equipped with one or two axles 84 of the type shown in FIG. The ring 12 is used.

Figure 10 shows another application of multipurpose suspension systems in the form of prefabricated building structures. vinegar. This prefabricated building structure includes a body structure 1O and an intermediate frame body 22. , cross sliding link 42. 44. 46°48 and coil spring 62, respectively arm? Fixed to OA, 70B, 72A, 72B and body structure 10 Centrally mounted arm means 70.72 with bracket 74 and FIGS. 9, a front axle I8 and a rear axle 2°, which can be of the type shown at 84, and A holder consisting of a stone means 80, an opening 82, a spring means 81, and a spring holder 83. and a lifting means. This suspension system increases free movement to 24 or more let

Regarding the effect, vehicles tend to roll in the direction of centrifugal force when driving around curved sections at high speed. However, this movement is due to the geometry of the suspension and its concentrated and restrained coupling. It is limited. Accordingly, arm means 70 and 72 and their respective links Front axle bin 71 and rear axle via 70A, 70B and 72A, 72B The vehicle body mounted rotatably with respect to pin 73 is controlled by stopper 49. movement in the radial direction over a limited angle or distance. Arms 50 and 5 4 follows the radial movement of the body structure, so the arms 50 and 54 Press and compress all springs 62, 64 downward at the same time. This is a traditional vehicle suspension. The configuration is different from that used in racking equipment. With conventional vehicle suspension systems, the vehicle When the vehicle travels along a bend, a spring on one side of the vehicle body is in a compressed state; and the spring on the other side of the vehicle body is in tension. lift the body structure When the vehicle travels over an obstacle that may cause a collision, the spring means 62, 64 and the arm The system means 70,72 and their extensions are designed to limit movement of the vehicle body. use When braking a vehicle, forward motion is driven by both the front and rear axles. at the same time as the center point of the axle An arm 76 mounted on the vehicle creates a moment that is transferred to the body structure. Limit axis rotation.

When the vehicle is traveling across mountains or slopes, the above suspension system Controlling all lateral displacements improves the vehicle's comfort and performance on such terrain. This enables driving with a sense of stability.

Both the starboard and port sides of the vehicle must simultaneously clear the obstacle and the front axle and rear The vehicle is traveling over very rough terrain where the two axles are tilted in relatively opposite directions. When the suspension system A fixed coupling structure allows one axle to be connected to the other axle and the body structure. Improve vs. displacement.

Many other improvements and modifications to this suspension system are described in the claims below. will be readily recognized by those skilled in the art without departing from the scope of the invention.

FIG, 7 F/G, 7 abstract A rigid body (10) is elastically mounted on a rigid base assembly (14, 16, 18, 20). A multi-purpose suspension system for mounting on spring supports from the foundation assembly for limited relative angular movement about the axis (12) The cage body (10) is supported with limited horizontal and vertical movement relative to the foundation assembly. an intermediate frame body (22) that rotatably supports the intermediate frame body (22); 22) perform a limited angular movement relative to the base assembly about an axis parallel to the axis of rotation of The link (70A, 70B) is pivotally connected to at least one end of the base assembly so as to , 72A, 72B) to opposite sides of the body (10). (70, 71).

Submission of translation of written amendment l Permission Act Article 184-8) September 29, 1992

Claims (14)

[Claims] 1. Multi-purpose suspension system for elastically mounting a rigid body onto a rigid base assembly and is restricted with respect to an axis aligned orthogonally to the longitudinal central axis of the foundation assembly. spring-supported from the base assembly for relative angular movement; A rotatable support for limited horizontal and vertical movement relative to the entire foundation. an intermediate frame body, and the aforementioned at least one end of the base assembly for limited angular movement relative to the base assembly; and arm means pivotally mounted to the body and connected to opposite sides of the body. Place. 2. The body is rectangular and has openings on all four sides thereof; further comprising means for raising and lowering the body relative to the intermediate frame body. The device described in. 3. The lifting means includes a piston and a fluid, compressed air, or any equivalent pressurized medium. 2. Means for supplying a body into a space between the piston and the body. The device described in. 4. The intermediate frame body includes a longitudinally extending side member and a laterally extending end portion. and the end member is initially pushed laterally to the frame body under the influence of centrifugal force. It can slide up to the range limited by the stopper provided on the end member, and then , the downward pressure applied by the end member to the spring on one side of the sensation device Transmitted through the medium of the arm means into equal downward pressure on the springs on both sides Apparatus according to any one of claims 1 to 3. 5. The side frame members each include two longitudinally aligned elements, each of which has two longitudinally aligned elements. elements slide onto said end frame member by cross-sliding members at their outer ends; said bodies which are operably connected and which support at their inner ends the means for raising and lowering said body; 5. The device of claim 4, wherein the device is pivotally connected to the center of the side members. 6. The intermediate frame body is arranged between the cross sliding member and the end member of the base assembly. 6. The base assembly according to claim 5, wherein the base assembly is supported by a coil spring disposed in the base assembly. Device. 7. The intermediate frame bodies are each pivotally connected at both ends to side members of the frame body. by a semi-elliptical leaf spring fixed to the end member of the foundation body between both ends; 6. A device according to any preceding claim, supported from the base assembly. 8. The end of the spring is fixed to the intermediate frame body by a shackle. The device according to item 5. 9. The intermediate frame body has a coil at one end and a semi-elliptical shape at the other end. Any one of claims 6 to 8, wherein the base assembly is supported by cooperation with a leaf spring. Apparatus according to one. 10. Opposite ends of said arm means are pivotally connected to a pair of links, and said arm means The other end of the means is pivotally attached to a placket suspended from an opposite side of said body. 10. A device according to any one of claims 1 to 9, which is coupled. 11. the base assembly is rotatably attached to opposite ends of at least one transverse axle; 11. A device according to any one of the preceding claims, comprising a land wheel. 12. The base assembly includes at least four lands attached to a front axle and a rear axle. 12. The device of claim 11, comprising an upper wheel. 13. The base assembly includes at least one base assembly for maintaining the body above the water surface. Claims 1-7 comprising at least two floats attached to opposite ends of the transverse axle of the The device according to any one of. 14. At least one end of the base assembly has a pair of longitudinally extending arms. supporting, the pair of arms are pivotally connected to the base assembly at different heights; is pivotally connected to the body at the inner end thereof to suppress forward movement during braking. The device according to claim 11 or 12.