CN201784423U - Trust bar assembly used for rear balancing suspensions of heavy industrial and mining cars - Google Patents
Trust bar assembly used for rear balancing suspensions of heavy industrial and mining cars Download PDFInfo
- Publication number
- CN201784423U CN201784423U CN2010205097458U CN201020509745U CN201784423U CN 201784423 U CN201784423 U CN 201784423U CN 2010205097458 U CN2010205097458 U CN 2010205097458U CN 201020509745 U CN201020509745 U CN 201020509745U CN 201784423 U CN201784423 U CN 201784423U
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- ball pin
- outer ring
- ball
- friction pair
- pair outer
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Abstract
The utility model discloses a trust bar assembly used for rear balancing suspensions of heavy industrial and mining cars, which comprises a connecting rod, two ball seats and ball pin assemblies. The two ball seats are connected to two ends of the connecting rod through a hot-press form, the ball pin assemblies are correspondingly fittingly arranged in the ball seats, a fastener is mounted between each ball pin assembly and each ball seat, each ball pin assembly comprises a ball pin, a friction pair outer ring and a metal coat which are successively arranged from inside to outside, a matching surface between each ball pin and each friction pair outer ring is spherical, and each friction pair outer ring and the coat are integrally vulcanized through polyurethane elastic bodies. The trust bar assembly has the advantages that the friction pair outer ring, the vulcanized polyurethane elastic body and the interference coat are added on each ball pin assembly, thereby not only keeping advantages of high elasticity, fatigue resistance and squeezing resistance of the polyurethane elastic bodies, but also guaranteeing original buffer property, simultaneously avoiding the shortage that the rubber ball pins are easy to be out of work when in overhigh stress, and greatly increasing reliability of the ball pin assembly.
Description
Technical field
The utility model relates to a kind of automobile distance rod assembly, relates in particular to a kind of distance rod assembly that is used in particular for heavy industrial car balance rear-pendant.
Background technology
The truck suspension distance rod assembly is used to transmit longitudinal force and moment and transverse force and moment thereof.Increasing along with capacity, the propelling rod structure is also being updated, the emphasis that promotes is a ball pin assembly, by original slide bushing structural development is whole sulfuration rubber structure, improved component life, disclose a kind of distance rod assembly of automobile as No. 200420105768 utility model patent of China national Department of Intellectual Property, comprised two terminations, in the termination sphere pin, circlip for bore, packing ring, end cap, Rubber Parts have been arranged; Bearing pin, hole Sealing shield ring, upper end cover, packing ring, bottom end cover, gland and dust-proof cushion are arranged on another termination; Sphere pin and Rubber Parts in termination are sulfided into one; Be with axle sleeve on the bearing pin, be with inner sleeve on the axle sleeve again, the outside of inner sleeve is a rubber; Closely cooperate with the contact surface of bearing pin and inner sleeve respectively inside and outside the axle sleeve; The inner sleeve and the vulcanization of rubber are integral; This device, an end adopts rubber integral sulfurization type, and ball pin and the whole component that forms that vulcanizes of rubber are pressed fit in the shaft assembly set of termination, has avoided silt to enter the wearing and tearing that the termination causes; The other end adopts rubber vulcanizing dowel pin axle rotary type, and bearing pin is rotated in axle sleeve with certain commentaries on classics distance.
But along with the stressed increasing of propelling rod, rubber structure can not satisfy use, and the applicant had designed a kind of whole sulfuration polyurethane structural ball pin afterwards, and the resistant polyurethane fatigue property is better than rubber greatly, but reverse with deflection stiffness greatlyyer, tie bolt lost efficacy easily when road conditions were relatively poor.In order to overcome above-mentioned shortcoming, applicant's independent design has again developed inner ball pin assembly for the outside sulfuration of slide ball pin polyurethane structural, has greatly improved reliability of service.In ball pin when assembling,, jump ring itself was stressed bigger owing to be compression polyurethane assembling jump ring structure, and when being used on the bigger specialized engineering dumping car of road conditions extreme difference, load, jump ring collapses easily.So under exceedingly odious operating mode, also there is certain limitation in this structure.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, provide that a kind of simple in structure, tension pressure energy power is strong, strong shock resistance, reliability are high is specially adapted for heavy engineering discharging vehicle balance rear-pendant thrust rod assembly.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of distance rod assembly that is used for heavy industrial car balance rear-pendant, comprise pipe link, be connected two ball seats at pipe link two ends and interference fit by hot pressing mode and be arranged on ball pin assembly in the above-mentioned ball seat, between described ball pin assembly and the ball seat fastener is installed, described ball pin assembly comprises ball pin, friction pair outer ring and the metal-coating that sets gradually from inside to outside, fitting surface is spherical between described ball pin and the friction pair outer ring, is one by the polyurethane elastomer sulfuration between described friction pair outer ring and the overcoat.
Among the utility model embodiment, described friction pair outer ring is one-piece construction or split-type structural.
Among the utility model embodiment, described friction pair outer ring is a split-type structural, and outside, friction pair outer ring connects as one by the spring retainer.
Among the utility model embodiment, described friction pair outer ring is a hollow structure, and inside and outside wall is spherical, and described inwall is provided with to be and intersects the oil resevoir that distributes.
Among the utility model embodiment, described metal-coating is integral type or split-type structural, and integral body is hollow cylinder, and inner chamber is spherical.
Among the utility model embodiment, described fastener is a jump ring.
Among the utility model embodiment, between described ball pin and the ball seat sealing member is installed.
Among the utility model embodiment, described ball pin middle part is spherical, and both ends are the flat square structure with connecting bore, and are provided with cylindric transition between middle part and the end.
The beneficial effects of the utility model: ball pin assembly adopted the friction pair outer ring add the sulfuration polyurethane elastomer add the interference jacket structure, polyurethane elastomer high resiliency, highly anti-fatigue, anti-extrusion advantage have not only been given full play to, not only guaranteed original cushion characteristic, avoid simultaneously the rubber sphere pin in the stressed shortcoming that lost efficacy easily when excessive again, improved the reliability of ball pin assembly greatly; The friction pair outer ring is that globosity makes that ball pin moment of torsion when reversing with deflection in pipe link end is minimum, shearing force and partial high pressure that former rubber or polyurethane bear have been cut down greatly under above-mentioned operating mode, ball pin assembly has also reduced the moment of flexure of binding bolt when reversing and reducing with the deflection moment of torsion, make and bolt strainedly improve greatly that this has greatly improved the life-span of tie bolt; Friction pair outer ring and ball pin are formed the friction pair of a precision, because tolerance clearance is very little, so friction pair can not produce impact, good wear ability are arranged, and this has also greatly improved ball pin assembly in heavy duty and the reliability and the service life of impacting under the operating mode; Be provided with metal-coating, rely on interference to be pressed in the ball seat, jump ring no longer bears shearing, has eliminated the defective that collapses jump ring.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a ball pin assembly sectional structure scheme drawing.
Fig. 3 is a ball pin assembly friction pair outer ring oil groove cross-sectional schematic.
Among the figure wherein 1, small sealing ring, 2, ball seat, 3, jump ring, 4, large sealing packing ring, 5, ball pin assembly, 6, pipe link, 7, the ball pin, 8, metal-coating, 9, polyurethane elastomer, 10, the friction pair outer ring, 11, connecting bore, 12, cylindric transition.
The specific embodiment
Better understand the utility model for the ease of those skilled in the art, the utility model is described in further details below in conjunction with the drawings and specific embodiments.
1 one kinds of distance rod assemblies that are used for heavy industrial car balance rear-pendant with reference to the accompanying drawings, comprise pipe link 5, be connected two ball seats 2 at pipe link 5 two ends and interference fit by hot pressing mode and be arranged on ball pin assembly 5 in the above-mentioned ball seat 2, between described ball pin assembly 5 and the ball seat 2 fastener is installed.
2 described ball pin assemblies 5 comprise the ball pin 7 that sets gradually from inside to outside with reference to the accompanying drawings, friction pair outer ring 10 and metal-coating 8, described ball pin 7 middle parts are spherical, both ends are the flat square structure with connecting bore 11, and be provided with cylindric transition 12 between middle part and the end, be separately installed with large sealing packing ring 4 and small sealing ring 1 between described ball pin 7 and ball seat 2 upper and lower sides, described friction pair outer ring 10 is a hollow structure, and inside and outside wall is spherical, fitting surface is spherical between described ball pin 7 and the friction pair outer ring 10, is one by polyurethane elastomer 9 sulfurations between described friction pair outer ring 10 and the overcoat 8.
Described friction pair outer ring 10 is an one-piece construction, and those skilled in the art can expect that friction pair outer ring 10 can be split-type structural certainly, and when described friction pair outer ring 10 was split-type structural, 10 outsides, friction pair outer ring connected as one by the spring retainer.Described inwall is provided with and is the oil resevoir A that intersection distributes.
Described metal-coating 8 is integral type or split-type structural, and integral body is hollow cylinder, and inner chamber is spherical.
Described fastener is a jump ring 3, and certain described fastener can be bolt or plug.
Installation process of the present utility model is as follows:
Two ball seats 2 are connected with pipe link 6, are shaped by hot pressing is fixing, form the metallic framework of propelling rod.The assembly method of ball pin assembly 5 and traditional rubber or polyurethane ball pin assembly are basic identical, at first ball pin assembly 5 is put into the cavity of ball seat 2, utilize pressing element compressed ball pin assembly 5 again, assembling jump ring 3 or plug after compression puts in place, in the cavity of the both sides of ball seat 2, be coated with grease again, assemble small sealing ring 1 and large sealing packing ring 4 then.
Claims (8)
1. distance rod assembly that is used for heavy industrial car balance rear-pendant, comprise pipe link (6), two ball seats (2) and the interference fit that are connected pipe link (6) two ends by hot pressing mode are arranged on the interior ball pin assembly (5) of above-mentioned ball seat (2), between described ball pin assembly (5) and the ball seat (2) fastener is installed, it is characterized in that: described ball pin assembly (5) comprises the ball pin (7) that sets gradually from inside to outside, friction pair outer ring (10) and metal-coating (8), fitting surface is spherical between described ball pin (7) and friction pair outer ring (10), is one by polyurethane elastomer (9) sulfuration between described friction pair outer ring (10) and the overcoat (8).
2. according to the described distance rod assembly that is used for heavy industrial car balance rear-pendant of claim 1, it is characterized in that: described friction pair outer ring (10) is one-piece construction or split-type structural.
3. according to the described distance rod assembly that is used for heavy industrial car balance rear-pendant of claim 2, it is characterized in that: described friction pair outer ring (10) is split-type structural, and friction pair outer ring (10) outside connects as one by the spring retainer.
4. according to claim 1, the 2 or 3 described distance rod assemblies that are used for heavy industrial car balance rear-pendant, it is characterized in that: described friction pair outer ring (10) is for hollow structure, and inside and outside wall be spherical, and described inwall is provided with to be and intersects the oil resevoir (A) of distribution.
5. according to the described distance rod assembly that is used for heavy industrial car balance rear-pendant of claim 1, it is characterized in that: described metal-coating (8) is integral type or split-type structural, and integral body is hollow cylinder, and inner chamber is spherical.
6. according to claim 1,2, the 3 or 5 described distance rod assemblies that are used for heavy industrial car balance rear-pendant, it is characterized in that: described fastener is jump ring (3).
7. according to claim 1,2, the 3 or 5 described distance rod assemblies that are used for heavy industrial car balance rear-pendant, it is characterized in that: between described ball pin (7) and the ball seat (2) sealing member is installed.
8. according to claim 1,2, the 3 or 5 described distance rod assemblies that are used for heavy industrial car balance rear-pendant, it is characterized in that: described ball pin (7) middle part is for spherical, both ends are for to have the flat square structure of connecting bore (11), and are provided with cylindric transition (12) between middle part and the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205097458U CN201784423U (en) | 2010-08-30 | 2010-08-30 | Trust bar assembly used for rear balancing suspensions of heavy industrial and mining cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205097458U CN201784423U (en) | 2010-08-30 | 2010-08-30 | Trust bar assembly used for rear balancing suspensions of heavy industrial and mining cars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201784423U true CN201784423U (en) | 2011-04-06 |
Family
ID=43816402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205097458U Expired - Lifetime CN201784423U (en) | 2010-08-30 | 2010-08-30 | Trust bar assembly used for rear balancing suspensions of heavy industrial and mining cars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201784423U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512213A (en) * | 2013-09-30 | 2015-04-15 | 傅运军 | Counteractive rod assembly of heavy industrial and mining vehicle |
| CN111516445A (en) * | 2020-04-21 | 2020-08-11 | 三一重型装备有限公司 | Rear suspension system and dump truck |
| CN112776550A (en) * | 2021-01-07 | 2021-05-11 | 东风柳州汽车有限公司 | Thrust rod assembly, automotive suspension and automobile |
-
2010
- 2010-08-30 CN CN2010205097458U patent/CN201784423U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512213A (en) * | 2013-09-30 | 2015-04-15 | 傅运军 | Counteractive rod assembly of heavy industrial and mining vehicle |
| CN111516445A (en) * | 2020-04-21 | 2020-08-11 | 三一重型装备有限公司 | Rear suspension system and dump truck |
| CN112776550A (en) * | 2021-01-07 | 2021-05-11 | 东风柳州汽车有限公司 | Thrust rod assembly, automotive suspension and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |