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CN-224225144-U - Double-lug type steering knuckle arm and vehicle

CN224225144UCN 224225144 UCN224225144 UCN 224225144UCN-224225144-U

Abstract

The utility model provides a double-lug type steering knuckle arm and a vehicle, and relates to the technical field of vehicle parts, wherein the double-lug type steering knuckle arm comprises a mounting seat and a steering knuckle, wherein the mounting seat is used for being connected with the steering knuckle; the knuckle arm main part, the knuckle arm main part is used for being connected with steering drive piece, the knuckle arm main part includes knuckle arm main part and ends the piece that turns, the knuckle arm main part is the double lug piece structure, just the knuckle arm main part pass through slick and sly connection structure with mount pad fixed connection, end the piece that turns including fixed connection's round pin axle with the cooperation of pegging graft of double lug piece structure, steering drive piece's tip is located between two lugs of double lug piece structure and with the rotatable coupling of round pin axle, end that ends the piece was kept away from to the round pin axle pass through the pressfitting subassembly pressfitting in the knuckle arm main part. The utility model can reduce the risk of deformation and fracture of the whole steering knuckle arm and improve the steering safety of the vehicle during running.

Inventors

  • CAI ZHOU

Assignees

  • 航天重型工程装备有限公司

Dates

Publication Date
20260512
Application Date
20250507

Claims (10)

  1. 1. A binaural steering arm, comprising: The mounting seat (9) is used for being connected with the steering knuckle (1); The knuckle arm body, the knuckle arm body is used for being connected with steering drive piece (3), the knuckle arm body includes knuckle arm body (2) and ends and change piece (8), knuckle arm body (2) are the double lug piece structure, just knuckle arm body (2) pass through slick and sly connection structure with mount pad (9) fixed connection, end that ends changes piece (8) including fixed connection's round pin axle (81) and ends change piece (82), round pin axle (81) with double lug piece structure grafting cooperation, the tip of steering drive piece (3) is located between two lugs of double lug piece structure and with round pin axle (81) rotatable coupling, end that ends were kept away from round pin axle (81) pass through the pressfitting subassembly pressfitting in knuckle arm body (2).
  2. 2. The double-lug steering knuckle arm according to claim 1, wherein the pressing assembly comprises a limiting seat (4), a second bolt group (6) and a pressing plate (7), the limiting seat (4) is arranged on the surface of the steering knuckle arm main body (2) in a group, a notch is formed between each group of limiting seats (4) and the steering knuckle arm main body (2), one end, far away from the pin shaft (81), of the rotation stopping piece (82) is clamped in the notch and is fixed through the cooperation of the second bolt group (6) and the pressing plate (7), and bolt holes are correspondingly formed between the pressing plate (7) and the limiting seat (4).
  3. 3. The binaural steering arm according to claim 1, characterized in that the steering arm body (2) comprises a top tab (21) and a bottom tab (22), the top tab (21) and the bottom tab (22) are arranged in parallel, the mutually corresponding ends of the top tab (21) and the bottom tab (22) are fixedly connected through a first connecting portion (11), the top tab (21) and the bottom tab (22) are fixedly connected through a second connecting portion (12), the second connecting portion (12) and the first connecting portion (11) are arranged at intervals, a "U" shaped space is formed between the top tab (21), the bottom tab (22) and the first connecting portion (11), and the end of the steering driving member (3) extends into the "U" shaped space from one side.
  4. 4. A binaural steering arm according to claim 3, characterized in that the pin (81) and the anti-rotation tab (82) are perpendicular to each other, the pin (81) is vertically inserted into the top tab (21) and the bottom tab (22), and the top tab (21) and the bottom tab (22) are correspondingly provided with insertion holes.
  5. 5. A binaural steering arm according to claim 3, characterized in that the smooth connecting structure comprises a second reinforcing rib (14) and a third connecting portion (15), the mounting seat (9) is vertically arranged in the extending direction of the top lug (21) and the bottom lug (22), the middle axial surfaces of the second reinforcing rib (14) and the third connecting portion (15) are respectively parallel to the extending direction, the middle axial surfaces of the second reinforcing rib (14) and the third connecting portion (15) are fixedly connected and are mutually perpendicular, one end of the second reinforcing rib (14) is fixedly connected with the first connecting portion (11), the other end of the second reinforcing rib is fixedly connected with the mounting seat (9), one end of the third connecting portion (15) is fixedly connected with the first connecting portion (11), the top lug (21) and the bottom lug (22) are fixedly connected, the other end of the third connecting portion is fixedly connected with the mounting seat (9), the first connecting portion (11), the second reinforcing rib (14) and the third connecting portion (14) are fixedly connected with the second connecting portion (15), and the second connecting portion (15) are provided with smooth connecting structures.
  6. 6. A binaural steering arm according to claim 1 or 5, characterized in that the first connecting portion (11) is arc-shaped in cross section and the lowest part of the arc is connected to the second reinforcement rib (14).
  7. 7. The binaural steering arm according to any one of claims 3-5, characterized in that a first reinforcement rib (13) and a third reinforcement rib (17) are further provided between the top tab (21) and the bottom tab (22), the first reinforcement rib (13) extending from the top tab (21) to the bottom tab (22) and being fixedly connected with the top tab (21), the bottom tab (22) and the second connection portion (12) respectively by means of a third rounded transition structure, the third reinforcement rib (17) extending from the top tab (21) to the bottom tab (22) and being fixedly connected with the top tab (21), the bottom tab (22) and the first connection portion (11) respectively by means of a fourth rounded transition structure.
  8. 8. The binaural steering arm according to claim 7, characterized in that the width of the middle portions of the first reinforcement rib (13) and the third reinforcement rib (17) is smaller than the width of both ends.
  9. 9. The binaural steering arm according to any one of claims 1-4, characterized in that the mounting seat (9) is fixedly connected with the steering knuckle (1) by a first bolt set (5), and that a connecting key (10) is integrally provided on a side of the mounting seat (9) remote from the steering arm body (2), and that a key slot (16) is provided on the steering knuckle (1) which cooperates with the connecting key (10).
  10. 10. A vehicle comprising a binaural steering arm according to any one of claims 1-9.

Description

Double-lug type steering knuckle arm and vehicle Technical Field The utility model relates to the technical field of vehicle parts, in particular to a double-lug steering knuckle arm and a vehicle. Background The knuckle arm is an important component in a steering system of a vehicle such as a mining wide-body vehicle, is connected with a steering knuckle, a steering pull rod, a steering oil cylinder and the like, bears various acting forces and impacts of the vehicle to a road surface, and is sometimes required to adapt to a severe use environment. The existing knuckle arm has certain defects in strength and durability under severe use environment, and is easy to deform, break and the like in the long-term use process, so that the driving and steering safety of a vehicle is affected. Disclosure of utility model The utility model aims to solve the problems that the existing knuckle arm is easy to deform, break and the like. To solve the above problems, in a first aspect, the present utility model provides a binaural steering arm, comprising: The mounting seat is used for being connected with the steering knuckle; The knuckle arm main part, the knuckle arm main part is used for being connected with steering drive piece, the knuckle arm main part includes knuckle arm main part and ends the piece that turns, the knuckle arm main part is the double lug piece structure, just the knuckle arm main part pass through slick and sly connection structure with mount pad fixed connection, end the piece that turns including fixed connection's round pin axle with the cooperation of pegging graft of double lug piece structure, steering drive piece's tip is located between two lugs of double lug piece structure and with the rotatable coupling of round pin axle, end that ends the piece was kept away from to the round pin axle pass through the pressfitting subassembly pressfitting in the knuckle arm main part. Optionally, the pressfitting subassembly includes spacing seat, second bolt group and clamp plate, spacing seat is located in groups the surface of knuckle arm main part, every group spacing seat with form the notch between the knuckle arm main part, the one end card that the anti-rotation piece kept away from the round pin axle is located the notch and passes through the cooperation of second bolt group and clamp plate is realized fixing, it is equipped with the bolt hole to correspond between clamp plate and the spacing seat. Optionally, the knuckle arm main part includes top tab and bottom tab, top tab and bottom tab are laid in parallel, the tip that top tab and bottom tab correspond each other is through first connecting portion fixed connection, top tab with still through second connecting portion fixed connection between the bottom tab, the position that the second connecting portion is different from the tip that corresponds each other, top tab bottom tab with form "U" type space between the first connecting portion, the tip of steering drive piece stretches into from one side "U" type space in. Optionally, the pin shaft and the rotation stopping piece are perpendicular to each other, and the top lug and the bottom lug are vertically inserted into the pin shaft. Optionally, the smooth connection structure includes second strengthening rib and third connecting portion, the mount pad is located perpendicularly the top lug with the extending direction of bottom lug, the second strengthening rib with the axis of third connecting portion respectively with extending direction is parallel, the second strengthening rib with the axis mutually perpendicular of third connecting portion fixed connection and the two, the one end of second strengthening rib with first connecting portion fixed connection, the other end with mount pad fixed connection, the one end of third connecting portion with first connecting portion top lug with bottom lug fixed connection, the other end with mount pad fixed connection, two liang of junctions in first connecting portion, second strengthening rib and the third connecting portion are equipped with first smooth transition structure, two liang of junctions in second strengthening rib, third connecting portion and the mount pad are equipped with second smooth transition structure. Optionally, the cross section of the first connecting part is arc-shaped, and the lowest part of the arc-shaped part is connected with the second reinforcing rib. Optionally, still through second connecting portion fixed connection between top tab with the bottom tab, still be equipped with first strengthening rib and third strengthening rib between top tab and the bottom tab, first strengthening rib follow top tab extends to the bottom tab and respectively with top tab bottom tab and second connecting portion pass through third slick and sly transition structure fixed connection, third strengthening rib follow top tab extends to the bottom tab and respectively with top tab bottom tab and first connecting portion pass