CN1240395A - Suspension and braking assembly - Google Patents

Suspension and braking assembly Download PDF

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Publication number
CN1240395A
CN1240395A CN 97180591 CN97180591A CN1240395A CN 1240395 A CN1240395 A CN 1240395A CN 97180591 CN97180591 CN 97180591 CN 97180591 A CN97180591 A CN 97180591A CN 1240395 A CN1240395 A CN 1240395A
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CN
China
Prior art keywords
wheel hub
brake disc
brake
wheel
contained
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Pending
Application number
CN 97180591
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Chinese (zh)
Inventor
肯尼思·J·邦克
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Union Mo Tech Co Ltd
Federal Mogul Technology Ltd
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Union Mo Tech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Union Mo Tech Co Ltd filed Critical Union Mo Tech Co Ltd
Priority to CN 97180591 priority Critical patent/CN1240395A/en
Publication of CN1240395A publication Critical patent/CN1240395A/en
Pending legal-status Critical Current

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Abstract

A suspension and braking assembly for a wheel of vehicle, comprises a suspension link (12), a hub (14) mounted on the suspension link for relative rotation, a brake disc (38) mounted for rotation with the hub, friction material pads (50, 54) arranged on opposite sides of the disc, and a piston and cylinder assembly (72, 74) operable to urge the pads against the disc. The link (12) comprises top (24) and bottom (26) mountings for supports. The link also comprises the cylinder (72) of said piston and cylinder assembly. Said disc (38) is mounted for limited movement on the hub in a direction generally parallel to the axis about which the hub rotates.

Description

Hang and brake equipment
The present invention relates to a kind of suspension and brake equipment that is used for wheel of vehicle.
Traditional suspension and brake equipment comprise that a suspension connection device and one are contained on the suspension connection device and can be with respect to the wheel hubs of its rotation that wheel hub provides mount pad to wheel.For the energy brake wheel, this device also comprises and is contained on the wheel hub and with the brake disc of its rotation, the friction material sheet that is arranged in the brake disc both sides and at least one piston and cylinder assembly, it can be pushed friction lining and brake disc side surface is contacted to, with brake hub and then brake wheel.Traditionally, for piston and the cylinder assembly that brake system is installed, have a sliding part to be screwed on the suspension connection device, the piston of described piston cylinder component is contained on this sliding part slidably.Brake disc is rigidly secured on the wheel hub traditionally, and the wearing and tearing of friction lining and/or brake disc are compensated by the slip of cylinder.
Traditionally, suspension connection device comprises that also construction section is used for installing and connecting apparatus up and down.The last construction section McPherson type pole of can packing into, it has determined that suspension connection device can be around its hinged axle, the hinged motion of connecting device makes the wheel that is contained on the wheel hub rotate around described axle.Alternatively, the upper wishbone of also can packing in the last construction section.The following construction section lower wishbone of can packing into.When this wheel was used for maneuver vehicle, connecting device also comprised the arm that is used to connect the vehicle control system pilot bar traditionally, handled pilot bar and can make the hinged motion of connecting device with maneuver vehicle.
US Patent 3,941,221 disclose a kind of suspension and brake equipment of mainly making with sheet metal.This device comprises a piston cylinder component, and its cylinder is welded on the suspension connection device.This device also comprises the brake disc that can slide on the wheel hub of device.Yet this device may need long manufacturing time, and does not control the mechanism that its brake disc moves on its wheel hub, so whether it is can normal operation doubtful.
Above-mentioned tradition hang with brake equipment can normal operation, but relatively heavier.Therefore, an object of the present invention is to provide a kind of easy manufacturing and weight lighter suspension and brake equipment.
The invention provides a kind of suspension and brake equipment that is used for wheel of vehicle, this device comprises suspension connection device, it is useful on the last construction section and the following construction section of supported and suspended connecting device, and one be contained on the suspension connection device and can be with respect to the wheel hub of its rotation, wheel hub provides mount pad for described wheel, hang with brake equipment and comprise that also one is contained on the wheel hub and with the brake disc of its rotation, described brake disc also install can be basically parallel to the wheel hub S. A. in the wheel hub upper edge direction do restrained motion, hang with brake equipment and also comprise the friction material sheet that is arranged in the brake disc offside, and piston cylinder component, it can promote friction lining make with brake disc to contacts side surfaces with brake hub, and then brake wheel, it is characterized in that: suspension connection device also comprises the cylinder of described piston cylinder component, the remainder of it and suspension connection device is integral, and device also comprises the elastic force applicator that acts between wheel hub and the brake disc, with the motion of control brake dish on wheel hub.
In suspension according to the present invention and brake equipment, the cylinder of piston cylinder component and suspension connection device are one, and this has been avoided slip and the installation of cylinder on sliding part.Can find that this arrangement is expendable weight significantly, for example in a design, having been found that can expendable weight 25%.The cost of device has also reduced.The motion compensation of brake disc on wheel hub the wearing and tearing of friction lining or brake disc.The effect of elastic force applicator be prevent brake disc swing on the wheel hub, eliminate because of the het expansion of brake disc greater than cause loosening of wheel hub het expansion and prevent brake disc bouncing on wheel hub.
Preferably, in device according to the present invention, brake disc has the tooth and the engagement of the teeth groove on the wheel hub of convex.Teeth groove may be spaced, and for example grouping is arranged, and described elastic force applicator may comprise and is contained in the spring between the teeth groove on the wheel hub.Device should have three groups of teeth groove, and three springs that therefore circumferentially have been spacedly distributed provide the bikini location.Spring is preferably the sheet spring, is fixed on the midway location between the adjacent sheaves group on the wheel hub.Like this, the sheet spring just is close to the end of brake disc.
Because traditional plate-like brake equipment has only a brake disc, it need add between friction lining and brake disc that very big pressure could produce required moment, this high pressure causes wearing and tearing, and the expense of generation high pressure is also high, so wish to reduce this pressure.In order to realize this hope, can also comprise second brake disc that is contained in the above brake disc next door of wheel hub according to device of the present invention, second brake disc also install can be basically parallel to the wheel hub S. A. in the wheel hub upper edge direction do restrained motion, and also be subjected to the effect of described elastic force applicator, this device also comprises and is contained in the brake strip that is used for described direction restrained motion between the described brake disc.Second brake disc has been arranged, and lock torque is just shared on four contact surfaces, rather than two traditional faces, has therefore reduced pressure, the heat that is produced and wearing and tearing.It is known adopting two brake discs in the plate-like brake equipment of wheel, for example sees US Patent 4 598 799 and British patent 2 076 087.
When wheel was used to handle, suspension connection device also comprised an arm, was used to be connected to the pilot bar of vehicle control system.
Hereinafter being described in detail one of the present invention of explanation with reference to accompanying drawing hangs and brake equipment.
In the accompanying drawings:
Fig. 1 is the decomposition view of this illustrative apparatus;
Fig. 2 is the lateral plan of this illustrative apparatus;
Fig. 3 is similar to Fig. 2, is the vertical cross section of this illustrative apparatus;
Fig. 4 is the view along arrow IV direction among Fig. 2;
Fig. 5 is the view along arrow V direction among Fig. 2;
Fig. 6 is the vertical sectional view of the suspension connection device of this illustrative apparatus; And
Fig. 7 is similar to Fig. 4, and it represents a modification of this illustrative apparatus.
Illustrative apparatus 10 is suspension and the brake equipments that are used for forward drive vehicle front-wheel (figure does not draw).Device 10 comprises suspension connection device 12 and is contained on the suspension connection device 12 and with respect to the wheel hub 14 of suspension connection device rotation.
Wheel hub 14 is inblock cast spares, and traditionally, it has the cylindrical back protuberance 14a of a hollow, and its inside face has teeth groove, and outside face has the mount pad of ball bearing of main shaft 16 (see figure 3)s.Spline protrusion at the constant-velocity joint 18 (dotting among Fig. 3) of driveshaft end inserts in the protuberance 14a of back, and so, but wheel hub 14 driven shafts drive rotation on bearing 16.Wheel hub 14 also has round plate 14b, and back protuberance 14a stretches out backward from round plate 14b.Wheel hub 14 provides mount pad for wheel (not drawing among the figure), and wheel passes the front surface that hole 14d is fixed to round plate 14b with screw.Protuberance 14c after wheel hub 14 also has a diameter than the big hollow cylindrical of back protuberance 14a.Back protuberance 14c stretches out from the outer rim of round plate 14b.The outside face of back protuberance 14c has teeth groove 20, groove to be parallel to wheel hub 14 around rotation the axle 22.Three groups of being spacedly distributed circumferentially in 20 minutes of teeth groove.
Suspension connection device 12 (see figure 6)s are inblock cast spares, and it comprises a traditionally shaped hollow circuit cylinder 12a of portion, and bearing 16 is housed on it, and so, wheel hub 14 can rotate on suspension connection device 12.Suspension connection device 12 also comprises the last construction section 24 and the following construction section 26 of supported and suspended connecting device 12.Last construction section 24 ends have the end 12b of connecting device 12, and it stretches out backward from top 12c, and top 12c then protrudes upward from columnar portion 12a.End 12b is traditionally shaped, forms two semi-cylindrical arm (see figure 5)s, and two arms are formed a clip, availablely passes hole 28 on the arm and the bolt (not shown) in the space between two arms clamps.McPherson pole (not shown) can be clipped between two arms of end 12b, and so, connecting device 12 can rotate around the longitudinal axis of pole hingedly.
Following construction section 26 has the bottom 12d of connecting device 12, and it stretches out downwards from columnar portion 12a.This bottom 12d is a conventional shape, and upright opening 30 is arranged, and can insert the pin of sphero-joint (not shown), also have two lateral apertures 32, but inserting bolt is connected to connecting device 12 on the pull bar (not shown).
Connecting device 12 also comprises arm 34, is used to be connected to the pilot bar (not shown) of vehicle control system.Arm 34 is a conventional shape, is the 12e of side direction portion that the columnar portion 12a from connecting device 12 extends laterally.Arm 34 has upright opening 36, and arm 34 can be connected to pilot bar through this hole hingedly.For maneuver vehicle, can the mobile guide bar make connecting device 12 constant-velocity joint 18 and on hinged motion on construction section 24 and the following construction section 26.
Illustrative apparatus 10 also comprises two brake discs 38 and 40, and they are contained on the wheel hub 14 and rotation thereupon.Brake disc 38 and 40 is the same, can move limitedly with axle 22 substantially parallel directions in wheel hub 14 upper edges.Specifically, each brake disc 38 and 40 shape are that circle is dull and stereotyped, and interior double wedge 42 is arranged.Three groups in each brake disc 38 and 40 tooth 42 minutes are with three groups of teeth groove, 20 engagements on the wheel hub 14. Brake disc 38 and 40 is enclosed within outside the outer edge 14c of wheel hub 14, so, tooth 42 and teeth groove 20 engagements, the rotation of wheel hub 14 drives brake disc 38 and 40.
Three sheet springs 44 are contained on the wheel hub 14, and the elastic force applicator is provided, and apply diametral load between wheel hub 14 and brake disc 38 and 40.Three diametral loads can prevent that brake disc 38 and 40 from tilting at wheel hub 14, preventing to bounce and the slip of control brake rim wheel hub.The elastic force of sheet spring 44 is compensated het expansion.Sheet spring 44 usefulness screws 46 are fixed on the outside face of outer edge 14c in the interval between three groups of teeth groove 20.In the interval between 42 groups in the tooth, each sheet spring 44 and brake disc 38 all contact with 40, provide elastomeric bikini to support for each brake disc.Slide between teeth groove 20 by tooth 42, brake disc 38 and 40 can be parallel to axle 22 and slide on wheel hub 14.
Illustrative apparatus 10 also comprises the friction material sheet that is arranged in each brake disc 38 and 40 pairs of sides.These friction linings comprise: first friction lining 50, it is contained on the back bracket plate 52, arrange can with a contacts side surfaces of brake disc 38; Friction lining 54 and 56, they are contained in the offside of back bracket plate 58, arrange correspondingly with brake disc 38 to 40 1 of side and brake discs over against side surface contact; And friction lining 60, it is contained on the back bracket plate 62, arrange with brake disc 40 to contacts side surfaces.Back bracket plate 62 is fixedly mounted on the guide 64, and guide 64 refills on the top 12c of connecting device 12.Specifically, two screws 66 pass the hole on top 12c and the guide 64, and its thread end is screwed in the tapped bore of back bracket plate 62.Guide 64 provides two spigot surfaces 68, and back bracket plate 52 and 58 can slide on spigot surface 68.Spigot surface 68 is parallel to axle 22 extensions along the offside of guide 64.The cross-sectional plane of each spigot surface 68 is protruding U-shaped substantially, inserts in the recessed U-shaped extension of back bracket plate 52 and 58.Sheet spring 70 places between guide 64 and back bracket plate 52 and 58 preventing and bounces.
Illustrative apparatus 10 also comprises a piston cylinder component, it can promote friction lining 50,54,56 and 60 make with brake disc 38 and 40 to contacts side surfaces, brake hub 14, and then brake wheel.Piston cylinder component comprises cylinder 72, and it is formed in the top 12c of connecting device 12.Therefore, cylinder 72 is one with the remainder of connecting device 12.The piston 74 of piston cylinder component stretches out in cylinder 72, makes back bracket plate 52 the side is contacted with friction lining 50.The work of piston cylinder component is to inject pressurized liquid in the hole 76 that relies on the 12c of top, and hole 76 communicates with cylinder 72.Piston 74 stretches out from cylinder 72 and promotes back bracket plate 52 and 58 and brake disc 38 and 40, and till brake disc 40 contact friction sheets 60, friction lining 60 is motionless.
Fig. 7 is similar to Fig. 4, but its explanation is a modification 100 of illustrative apparatus 10, in the device 100 with device 10 identical parts with identical sequence number and no longer narrate.Device 100 is with the difference of device 10: two parallel cylinders 102 rather than a cylinder 72 are arranged in the top 12c of connecting device 12.In this case, the cross-sectional area of each cylinder 102 is littler than the area of cylinder 72, but total cross-sectional area of two cylinders 102 is bigger than the area of cylinder 72.A piston 104 is arranged, two-piston 104 common pushing back bracket plates 52 in each cylinder 102.In order to hold two piston cylinder components, guide 64 is modified as arch and is bent to piston 104 tops, and as shown in the figure, and three screws of screw 66 usefulness 108 substitute.Can in identical cylinder, apply bigger power (or in lower cylinder, applying identical power under the hydraulic pressure) under the hydraulic pressure with two piston cylinder components, and on average, this power can be applied to from axle 22 larger distance places.If desired, the diameter of two cylinders can be different, and for example the diameter at the loading cylinder of normal hand of rotation is bigger.

Claims (5)

1. a suspension and brake equipment (10 that is used for wheel of vehicle; 100), this device comprises suspension connection device (12), it comprises last construction section (24) and the following construction section (26) that is used for supported and suspended connecting device, and one be contained in that suspension connection device (12) is gone up and can be with respect to the wheel hub (14) of its rotation, wheel hub provides mount pad for described wheel, this device comprises that also one is contained in that wheel hub (14) is gone up and with the brake disc (38) of its rotation, described brake disc (38) also install can be basically parallel to wheel hub S. A. (22) in wheel hub (14) upper edge direction do restrained motion, this device also comprises the friction material sheet (50 that is arranged in brake disc (38) offside, 54), and piston cylinder component (72,74; 102,104), it can promote friction lining make it with brake disc to contacts side surfaces with brake hub, and then brake wheel, it is characterized in that: suspension connection device (12) also comprises the cylinder (72 of described piston cylinder component; 102), the remainder of it and connecting device (12) is an one, and, hang and brake equipment also comprises the elastic force applicator (44) that acts between wheel hub (14) and the brake disc (38), with the motion of control brake dish on wheel hub.
2. according to the device of claim 1, it is characterized in that: brake disc (38) has the tooth (42) and the engagement of the teeth groove (20) on the wheel hub (14) of convex.
3. according to the device of claim 2, it is characterized in that: teeth groove (20) is spaced, and described elastic force applicator (44) comprises the spring that is contained between the last teeth groove of wheel hub (14).
4. according to each device of claim 1 to 3, it is characterized in that: this device also comprises second brake disc (40) that is contained in the above brake disc of wheel hub (14) (38) next door, second brake disc also install can be basically parallel to wheel hub S. A. (22) in the wheel hub upper edge direction do restrained motion, and also be subjected to the effect of described elastic force applicator (44), this device also comprises and is contained in the brake strip (54,56) that is used for described direction restrained motion between the described brake disc.
5. according to each device of claim 1 to 4, it is characterized in that: suspension connection device (12) also comprises arm (34), is used to be connected to the pilot bar of vehicle control system.
CN 97180591 1996-12-12 1997-12-08 Suspension and braking assembly Pending CN1240395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97180591 CN1240395A (en) 1996-12-12 1997-12-08 Suspension and braking assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9625863.7 1996-12-12
CN 97180591 CN1240395A (en) 1996-12-12 1997-12-08 Suspension and braking assembly

Publications (1)

Publication Number Publication Date
CN1240395A true CN1240395A (en) 2000-01-05

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ID=5177746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97180591 Pending CN1240395A (en) 1996-12-12 1997-12-08 Suspension and braking assembly

Country Status (1)

Country Link
CN (1) CN1240395A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101790475B (en) * 2007-08-31 2013-02-06 卡特彼勒公司 Drive assembly having growth capacity
CN108791247A (en) * 2017-04-27 2018-11-13 丰田自动车株式会社 Arrester control device, brake control method and brake control system
CN113993774A (en) * 2019-06-18 2022-01-28 舍弗勒技术股份两合公司 Wheel module for a vehicle and vehicle comprising said wheel module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101790475B (en) * 2007-08-31 2013-02-06 卡特彼勒公司 Drive assembly having growth capacity
CN108791247A (en) * 2017-04-27 2018-11-13 丰田自动车株式会社 Arrester control device, brake control method and brake control system
CN108791247B (en) * 2017-04-27 2020-10-23 丰田自动车株式会社 Brake control device, brake control method, and brake control system
CN113993774A (en) * 2019-06-18 2022-01-28 舍弗勒技术股份两合公司 Wheel module for a vehicle and vehicle comprising said wheel module

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C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication