CN107554606B - Fork truck steering mechanism - Google Patents
Fork truck steering mechanism Download PDFInfo
- Publication number
- CN107554606B CN107554606B CN201710573529.6A CN201710573529A CN107554606B CN 107554606 B CN107554606 B CN 107554606B CN 201710573529 A CN201710573529 A CN 201710573529A CN 107554606 B CN107554606 B CN 107554606B
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- steering
- knuckle
- axle
- axle plate
- plate
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- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The steering mechanism comprises a steering axle body and a steering structure, wherein the steering structure transversely penetrates through the steering axle body, the steering axle body and the steering structure are of bilateral symmetry, the steering axle body comprises a steering axle plate assembly and frame hinging parts arranged on the front side and the rear side of the steering axle plate assembly, the steering axle plate assembly comprises an upper axle plate and a lower axle plate, main pin connecting parts are respectively arranged at the left end and the right end of the upper axle plate and the left end and the right end of the lower axle plate, and hinging holes in the frame hinging parts are positioned above the upper axle plate; the steering structure comprises a transverse pull rod, connecting rods and a steering knuckle structure, wherein the connecting rods are hinged to the left end and the right end of the transverse pull rod respectively, the steering knuckle structure comprises a steering knuckle and a steering knuckle arm, and the steering knuckle arm is of a triangle plate structure. The invention provides a forklift steering mechanism with the advantages of easy disassembly and damage of steering joints, higher stability, simple structure and larger internal angle.
Description
Technical Field
The invention relates to a steering mechanism, in particular to a forklift steering mechanism.
Background
The forklift is a material handling vehicle, is widely applied to stations, ports, airports, factories, warehouses and other places, and is high-efficiency equipment for mechanical loading and unloading, stacking and short-distance transportation. Along with the continuous improvement of the requirements of the mobility performance of the forklift, the forklift is required to have smaller and smaller turning radius, so that the steering mechanism of the forklift is required to realize larger and larger internal angles, the internal angles of products in the prior art are 76-82 degrees, the internal angles still need to be further enlarged, the steering knuckle in the use process is easy to damage, the traditional integral steering knuckle is difficult to maintain and replace, and unnecessary waste is caused.
Disclosure of Invention
In order to overcome the defects of small internal angle and easy damage of a steering knuckle of the existing forklift steering mechanism, the invention provides the forklift steering mechanism with easy disassembly and difficult damage of the steering knuckle, high stability, simple structure and large internal angle.
The technical scheme adopted for solving the technical problems is as follows:
the steering mechanism comprises a steering axle body and a steering structure, wherein the steering structure transversely penetrates through the steering axle body, the steering axle body and the steering structure are of bilateral symmetry, the steering axle body comprises a steering axle plate assembly and frame hinging parts arranged on the front side and the rear side of the steering axle plate assembly, the steering axle plate assembly comprises an upper axle plate and a lower axle plate, main pin connecting parts are respectively arranged at the left end and the right end of the upper axle plate and the left end and the right end of the lower axle plate, and hinging holes in the frame hinging parts are positioned above the upper axle plate;
the steering structure is positioned between the upper bridge plate and the lower bridge plate and comprises a transverse pull rod, a connecting rod and a steering knuckle structure, wherein the connecting rod is hinged to the left end and the right end of the transverse pull rod respectively, the steering knuckle structure comprises a steering knuckle and a steering knuckle arm, the steering knuckle arm is of a triangle structure, the other end of the connecting rod is hinged to one corner of the steering knuckle arm, the other corner of the steering knuckle arm is fixedly connected with one end of the steering knuckle, the other end of the steering knuckle is connected with a wheel hub, and wheels are arranged on the wheel hub;
the third angle of the knuckle arm is arranged backwards, and the main pin sequentially passes through the main pin connecting part of the upper bridge plate, the third angle of the knuckle arm and the main pin connecting part of the lower bridge plate from top to bottom.
Further, the steering structure is integrally a six-bar linkage.
Still further, the steer axle plate assembly is "W" shaped.
Still further, a triangular groove is provided on one end of the knuckle, and the other corner of the knuckle arm is located in the triangular groove and fixed to one end of the knuckle by a detachable bolt.
Still further, the steering mechanism has an internal angle of 103 °.
The connecting rod is provided with a connecting rod groove for avoiding interference with the knuckle arm during rotation.
The beneficial effects of the invention are mainly as follows: the steering knuckle is divided into two parts, so that the steering knuckle is easy to detach and maintain, the distance between the center line of the wheel and the center of the master pin is increased, interference is reduced, the internal angle is enlarged to 103 degrees, the turning radius is reduced, and the maneuverability of a forklift is further increased; the frame hinge shaft is arranged above the steering mechanism, so that the stability of the whole vehicle is improved; the forklift steering structure is simple in structure, easy to process and manufacture, more energy-saving and capable of reducing processing cost and use cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a steering bridge.
Fig. 3 is a schematic structural view of the steering mechanism.
Fig. 4 is an enlarged partial schematic view of the steering mechanism ii.
Fig. 5 is a schematic structural view of a knuckle.
Fig. 6 is a schematic view of the steering limit position of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, a forklift steering mechanism comprises a steering axle body 1 and a steering structure 2, wherein the steering structure 2 transversely passes through the steering axle body 1, the steering axle body 1 and the steering structure 2 are both in bilateral symmetry, the steering axle body 1 comprises a steering axle plate body assembly 13 and frame hinging parts 11 arranged on the front side and the rear side of the steering axle plate body assembly 13, the steering axle plate body assembly 13 comprises an upper axle plate and a lower axle plate, the left end and the right end of the upper axle plate and the left end and the right end of the lower axle plate are respectively provided with a master pin connecting part 12, and a hinging hole on the frame hinging part 11 is positioned above the upper axle plate;
the steering structure 2 is located between the upper bridge plate and the lower bridge plate, the steering structure comprises a transverse pull rod 21, a connecting rod 22 and a steering knuckle structure, the left end and the right end of the transverse pull rod 21 are respectively hinged with the connecting rod 22, the steering knuckle structure comprises a steering knuckle 24 and a steering knuckle arm 23, the steering knuckle arm 23 is of a triangle structure, the other end of the connecting rod 22 is hinged with one corner of the steering knuckle arm 23, the other corner of the steering knuckle arm 23 is fixedly connected with one end of the steering knuckle 24, the other end of the steering knuckle 24 is connected with a wheel hub 25, and wheels 26 are mounted on the wheel hub 25;
the third corner of the knuckle arm 23 is disposed rearward, and the kingpin sequentially passes through the kingpin attachment portion of the upper bridge plate, the third corner of the knuckle arm 23, and the kingpin attachment portion of the lower bridge plate from top to bottom.
Further, the steering structure 2 is a six-bar linkage as a whole.
Still further, the steer axle plate assembly 13 is "W" shaped.
Still further, a triangular groove 241 is provided at one end of the knuckle 24, and the other corner of the knuckle arm is positioned in the triangular groove 241 and is fixed to one end of the knuckle 24 by a detachable bolt.
Further, the steering mechanism has an internal angle α of 103 °.
The link 22 is provided with a link recess 221 for avoiding interference with the knuckle arm 23 during rotation.
As shown in fig. 1, the hinge hole of the frame hinge 11 is used for the frame hinge shaft to pass through for installation.
As shown in fig. 4, the connecting rod 22 is provided with a connecting rod groove 221 for avoiding the angular interference of the connecting rod 22 and the knuckle arm 23 hinged with the kingpin during the steering process.
As shown in fig. 6, the steering mechanism has an inner angle α and an outer angle β; the wheel centre line 3 is at a distance m from the centre of the kingpin.
The working process of the invention is as follows:
when steering is needed, the hydraulic cylinder drives the transverse pull rod 21 to move and drives the connecting rod 22 and the knuckle arm 23 to rotate, so that the knuckle 24 rotates and the hub 25 rotates, and the hub drives the wheels 26 to rotate, thereby realizing steering of the whole vehicle.
The knuckle structure is divided into two parts, so that the knuckle structure is easy to detach and maintain, the distance m between the center line of the wheel and the center of the kingpin is increased, interference is reduced, and the inner angle is enlarged to 103 degrees; the hinge hole of the frame hinge part 11 is arranged above the steering mechanism, so that the stability of the whole vehicle is improved.
Claims (2)
1. The utility model provides a fork truck steering mechanism, includes steering axle body and steering structure, steering structure transversely passes the steering axle body, steering axle body with steering structure is bilateral symmetry structure, its characterized in that: the steering axle body comprises a steering axle plate assembly and frame hinging parts arranged on the front side and the rear side of the steering axle plate assembly, the steering axle plate assembly comprises an upper axle plate and a lower axle plate, main pin connecting parts are respectively arranged at the left end and the right end of the upper axle plate and the left end and the right end of the lower axle plate, and hinging holes on the frame hinging parts are positioned above the upper axle plate;
the steering structure is positioned between the upper bridge plate and the lower bridge plate and comprises a transverse pull rod, a connecting rod and a steering knuckle structure, wherein the connecting rod is hinged to the left end and the right end of the transverse pull rod respectively, the steering knuckle structure comprises a steering knuckle and a steering knuckle arm, the steering knuckle arm is of a triangle structure, the other end of the connecting rod is hinged to one corner of the steering knuckle arm, the other corner of the steering knuckle arm is fixedly connected with one end of the steering knuckle, the other end of the steering knuckle is connected with a wheel hub, and wheels are arranged on the wheel hub;
the third angle of the knuckle arm is arranged backwards, the main pin sequentially passes through the main pin connecting part of the upper bridge plate, the third angle of the knuckle arm and the main pin connecting part of the lower bridge plate from top to bottom, and the distance between the center line of the wheel and the center of the main pin is increased;
the steering structure is integrally a six-bar mechanism, the steering bridge plate assembly is W-shaped, one end of the steering knuckle is provided with a triangular groove, and the other corner of the steering knuckle arm is positioned in the triangular groove and is fixed on one end of the steering knuckle through a detachable boltAn inner corner of the steering mechanismα103 °.
2. A forklift steering mechanism as claimed in claim 1, wherein: the connecting rod is provided with a connecting rod groove for avoiding interference with the knuckle arm during rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573529.6A CN107554606B (en) | 2017-07-14 | 2017-07-14 | Fork truck steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573529.6A CN107554606B (en) | 2017-07-14 | 2017-07-14 | Fork truck steering mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107554606A CN107554606A (en) | 2018-01-09 |
| CN107554606B true CN107554606B (en) | 2023-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710573529.6A Active CN107554606B (en) | 2017-07-14 | 2017-07-14 | Fork truck steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107554606B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3099126B1 (en) | 2019-07-24 | 2021-08-20 | Sodikart | Steering knuckle kart with offset knuckle axles, and corresponding knuckle assembly. |
| CN113323043A (en) * | 2021-07-13 | 2021-08-31 | 湖南一二机械科技有限公司 | Mining shovel car |
| CN114312142B (en) * | 2021-12-28 | 2023-08-01 | 江西鑫通机械制造有限公司 | Simple steering axle of mining trolley |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202319729U (en) * | 2011-11-08 | 2012-07-11 | 安徽合力股份有限公司 | Heavy fork truck steering axle body |
| CN202320483U (en) * | 2011-11-08 | 2012-07-11 | 安徽合力股份有限公司 | Heavy-duty fork-lift steering axle with improved locking structure for steering knuckle and steering king pin |
| CN204548221U (en) * | 2015-03-03 | 2015-08-12 | 郑之松 | The steering swivel of bridge transport vehicle steeraxle |
| CN204894983U (en) * | 2015-07-14 | 2015-12-23 | 安徽合力股份有限公司安庆车桥厂 | Hydraulic power formula current potential sensing steering axle for fork truck |
| CN204915123U (en) * | 2015-07-21 | 2015-12-30 | 龙工(福建)桥箱有限公司 | Combustion forklifts steering axle pontic |
| CN205652202U (en) * | 2016-05-23 | 2016-10-19 | 安徽合力股份有限公司安庆车桥厂 | A two four fulcrum steering axle that drive for fork truck |
| CN207045452U (en) * | 2017-07-14 | 2018-02-27 | 浙江工业大学 | A kind of fork-truck steering mechanism of quick detachable knuckle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3711649B2 (en) * | 1996-09-04 | 2005-11-02 | 株式会社豊田自動織機 | Wheel toe angle adjustment mechanism in a vehicle |
| CN203228604U (en) * | 2013-04-28 | 2013-10-09 | 东莞市卓越高尔夫观光车有限公司 | Front suspension system of golf sightseeing car |
-
2017
- 2017-07-14 CN CN201710573529.6A patent/CN107554606B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202319729U (en) * | 2011-11-08 | 2012-07-11 | 安徽合力股份有限公司 | Heavy fork truck steering axle body |
| CN202320483U (en) * | 2011-11-08 | 2012-07-11 | 安徽合力股份有限公司 | Heavy-duty fork-lift steering axle with improved locking structure for steering knuckle and steering king pin |
| CN204548221U (en) * | 2015-03-03 | 2015-08-12 | 郑之松 | The steering swivel of bridge transport vehicle steeraxle |
| CN204894983U (en) * | 2015-07-14 | 2015-12-23 | 安徽合力股份有限公司安庆车桥厂 | Hydraulic power formula current potential sensing steering axle for fork truck |
| CN204915123U (en) * | 2015-07-21 | 2015-12-30 | 龙工(福建)桥箱有限公司 | Combustion forklifts steering axle pontic |
| CN205652202U (en) * | 2016-05-23 | 2016-10-19 | 安徽合力股份有限公司安庆车桥厂 | A two four fulcrum steering axle that drive for fork truck |
| CN207045452U (en) * | 2017-07-14 | 2018-02-27 | 浙江工业大学 | A kind of fork-truck steering mechanism of quick detachable knuckle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107554606A (en) | 2018-01-09 |
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