CN107685770A - It is a kind of can reinforcement big corner fork-truck steering mechanism - Google Patents
It is a kind of can reinforcement big corner fork-truck steering mechanism Download PDFInfo
- Publication number
- CN107685770A CN107685770A CN201710573556.3A CN201710573556A CN107685770A CN 107685770 A CN107685770 A CN 107685770A CN 201710573556 A CN201710573556 A CN 201710573556A CN 107685770 A CN107685770 A CN 107685770A
- Authority
- CN
- China
- Prior art keywords
- reinforcement
- connecting rod
- steering mechanism
- bridge plate
- pontic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 230000002787 reinforcement Effects 0.000 title claims abstract description 42
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005007 materials handling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
It is a kind of can reinforcement big corner fork-truck steering mechanism, including turning to pontic and reinforcement steering mechanism, the reinforcement steering mechanism is horizontally through the steering pontic, the steering pontic and the reinforcement steering mechanism are bilateral symmetry, the pontic that turns to includes steeraxle plate body assembly and is arranged on the vehicle frame articulated section of the steeraxle plate body assembly front and rear sides, the steeraxle plate body assembly includes upper bridge plate and lower bridge plate, the left and right ends of the upper bridge plate, the left and right ends of lower bridge plate are respectively equipped with stub connecting portion, the left and right ends of the lower bridge plate are respectively equipped with the connecting rod fixing axle being vertically arranged, the connecting rod fixing axle is located at the inner side of the stub connecting portion of left and right ends, the upper end of the vehicle frame articulated section is provided with the vehicle frame jointed shaft of fore-and-aft direction arrangement, the vehicle frame jointed shaft is located at the top of the upper bridge plate.The invention provides one kind can increase steering push-pull effort, and stability is higher, simple in construction, inside lock it is larger can reinforcement big corner fork-truck steering mechanism.
Description
Technical field
The present invention relates to a kind of steering mechanism, more particularly to it is a kind of can reinforcement big corner fork-truck steering mechanism.
Background technology
Fork truck is materials handling vehicle, is widely used in the places such as station, harbour, airport, factory, warehouse, is mechanization
The high-efficiency appliance of handling, stacking and short distance transport.With the continuous improvement of fork truck mobility requirement, it is desirable to which fork truck should have
Less and less radius of turn, this requires the steering mechanism of fork truck to need to realize increasing inside lock, prior art production
The inside lock of product is 76-82 °, still needs to further expand, and the fork-truck steering during use is more laborious, adds use
Cost, cause unnecessary waste.
The content of the invention
In order to overcome existing fork-truck steering mechanism to exist, inside lock is smaller, turns to the defects of laborious, and the invention provides one
Kind can increase steering push-pull effort, stability is higher, simple in construction, inside lock it is larger can reinforcement big corner fork-truck steering machine
Structure.
The technical solution adopted for the present invention to solve the technical problems is：
It is a kind of can reinforcement big corner fork-truck steering mechanism, including turn to pontic and reinforcement steering mechanism, the reinforcement turns
The steering pontic is horizontally through to mechanism, the steering pontic and the reinforcement steering mechanism are bilateral symmetry, institute
Stating steering pontic includes steeraxle plate body assembly and is arranged on the vehicle frame articulated section of the steeraxle plate body assembly front and rear sides, institute
Stating steeraxle plate body assembly includes upper bridge plate and lower bridge plate, the left and right ends of the upper bridge plate, the left and right ends difference of lower bridge plate
Provided with stub connecting portion, the left and right ends of the lower bridge plate are respectively equipped with the connecting rod fixing axle being vertically arranged, and the connecting rod is fixed
Axle position is provided with the vehicle frame hinge of fore-and-aft direction arrangement in the inner side of the stub connecting portion of left and right ends, the upper end of the vehicle frame articulated section
Spindle, the vehicle frame jointed shaft are located at the top of the upper bridge plate；
Between the upper bridge plate and lower bridge plate, the reinforcement steering mechanism includes laterally drawing for the reinforcement steering mechanism
Bar, linkage and slewing journal structure, the slewing journal structure include knuckle and knuckle arm, and the knuckle includes axis hole
End and wheel hub connection end, the wheel hub connection end of the knuckle are connected with wheel hub, and wheel is arranged on the wheel hub；The steering
Joint arm is fixed on the axis hole end of knuckle, and the linkage includes first connecting rod, second connecting rod and third connecting rod, the horizontal stroke
One end to the left and right ends of pull bar respectively with first connecting rod is hinged, and one end of the second connecting rod is provided with through hole, described logical
In the connecting rod fixing axle, one end and the knuckle arm of the third connecting rod are hinged borehole jack, the other end of the first connecting rod and
The other end of second connecting rod, the other end of third connecting rod pass through same hinge；
Stub sequentially pass through from top to bottom the stub connecting portion of bridge plate, knuckle axis hole end axis hole and lower bridge plate
Stub connecting portion.
Further, the reinforcement steering mechanism is ten linkages.
Further, the cross-tie constitutes six bar force-increasing mechanisms with linkage and slewing journal structure.
Further, the steeraxle plate body assembly is " W " shape.
Further, the inside lock α of the reinforcement steering mechanism is 94 °.
Beneficial effects of the present invention are embodied in：Six bar force-increasing mechanisms are applied to steering mechanism, reduced in steering procedure
Push-pull effort, save the consumption of the energy；Increase wheel center line and the distance at stub center, reduce interference so that inside lock
94 ° have been expanded to, so as to reduce radius of turn, has further increased the mobility of fork truck；Vehicle frame jointed shaft is placed in turning machine
The top of structure, add the stability of vehicle；The fork-truck steering structure, it is simple in construction, manufacture easy to process, more save, drop
Low processing cost and use cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation for turning to pontic.
Fig. 3 is the structural representation of reinforcement steering mechanism.
Fig. 4 is the schematic diagram of six bar force-increasing mechanisms.
Fig. 5 is the schematic diagram of the extreme position of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Reference picture 1~Fig. 5, it is a kind of can reinforcement big corner fork-truck steering mechanism, including turn to pontic 1 and reinforcement turning machine
Structure 2, the reinforcement steering mechanism 2 are horizontally through the steering pontic 1, and the steering pontic 1 and the reinforcement steering mechanism 2 are equal
For bilateral symmetry, the steering pontic 1 includes steeraxle plate body assembly 14 and is arranged on the steeraxle plate body assembly 14
The vehicle frame articulated section of front and rear sides, the steeraxle plate body assembly 14 include upper bridge plate and lower bridge plate, the left and right of the upper bridge plate
Both ends, the left and right ends of lower bridge plate are respectively equipped with stub connecting portion 13, and the left and right ends of the lower bridge plate are respectively equipped with vertical cloth
The connecting rod fixing axle 12 put, the connecting rod fixing axle 12 are located at the inner side of the stub connecting portion of left and right ends, and the vehicle frame is hinged
The upper end in portion is provided with the vehicle frame jointed shaft 11 of fore-and-aft direction arrangement, and the vehicle frame jointed shaft 11 is located at the top of the upper bridge plate；
Between the upper bridge plate and lower bridge plate, the reinforcement steering mechanism 2 is included laterally for the reinforcement steering mechanism 2
Pull bar 21, linkage 22 and slewing journal structure, the slewing journal structure include knuckle 23 and knuckle arm 231, described turn
Include axis hole end and wheel hub connection end to section, the wheel hub connection end of the knuckle is connected with wheel hub 24, and wheel 25 is arranged on institute
State on wheel hub 24；The knuckle arm 231 is fixed on the axis hole end of knuckle 23, and the linkage 22 includes first and connected
Bar, second connecting rod and third connecting rod, the one end of the left and right ends of the cross-tie respectively with first connecting rod are hinged, and described second
One end of connecting rod is provided with through hole, and the through hole is sleeved in connecting rod fixing axle 12, one end of the third connecting rod and knuckle
Arm is hinged, and the other end of the first connecting rod and the other end of second connecting rod, the other end of third connecting rod pass through same bearing pin
It is be hinged；
Stub sequentially pass through from top to bottom the stub connecting portion of bridge plate, knuckle axis hole end axis hole and lower bridge plate
Stub connecting portion.
Further, the reinforcement steering mechanism 2 is ten linkages.
Further, the cross-tie 21 constitutes six bar force-increasing mechanisms with linkage 22 and slewing journal structure.
Further, the steeraxle plate body assembly 14 is " W " shape.
Further, the inside lock α of the reinforcement steering mechanism 2 is 94 °.
As shown in figure 1, the reinforcement steering mechanism 2 turns to pontic 1 through described in the horizontal direction, and positioned at described
Turn to the middle part and both sides of pontic 1.
As shown in figure 3, second connecting rod can be rotated by through hole thereon around connecting rod fixing axle 12, knuckle 23 is by thereon
Axis hole can be rotated around stub.
As shown in figure 4, wherein, the stress of cross-tie 21 is
In formula, FxFor the horizontal direction component of cross-tie；FBCFor connecting rod BC stress, FCDFor connecting rod CD stress；Gu
The distance for pinpointing E to connecting rod BC and CD is respectively l, n；λ is connecting rod CD and the angle in horizontal direction；Connecting rod BC is the 3rd company
Bar, connecting rod CD are first connecting rod, and connecting rod EC is second connecting rod, and connecting rod AB is knuckle arm.
Therefore, increase l, reduce n, adjustment relevant parameter causes λ to reduce, it is possible to reaches the mesh of reinforcement.
As shown in figure 5, the inside lock of the reinforcement steering mechanism 2 is α, outer corner is β；In wheel center line 3 and stub
The distance of the heart is m.
The present invention the course of work be：
When needing to turn to, hydraulic cylinder drives cross-tie 21 to move, and drivening rod mechanism 22 rotates, and linkage 22 is logical
Crossing knuckle arm 231 drives knuckle 23 to rotate, and so as to drive wheel hub 24 to rotate, wheel hub 24 rotates with motor car wheel 25, realizes whole
Car turns to.
Six bar force-increasing mechanisms are applied to steering mechanism, the push-pull effort in steering procedure is reduced, saves disappearing for the energy
Consumption；Increase wheel center line and the distance m at stub center, reduce interference so that inside lock has been expanded to 94 °；Vehicle frame is hinged
Axle 11 is placed in the top of reinforcement steering mechanism 2, adds the stability of vehicle.
Claims (5)
1. it is a kind of can reinforcement big corner fork-truck steering mechanism, including turn to pontic and reinforcement steering mechanism, the reinforcement turns to
Mechanism is horizontally through the steering pontic, and the steering pontic and the reinforcement steering mechanism are bilateral symmetry, and it is special
Sign is：The pontic that turns to includes steeraxle plate body assembly and is arranged on the vehicle frame of the steeraxle plate body assembly front and rear sides
Articulated section, the steeraxle plate body assembly include upper bridge plate and lower bridge plate, left and right ends, the left and right of lower bridge plate of the upper bridge plate
Both ends are respectively equipped with stub connecting portion, and the left and right ends of the lower bridge plate are respectively equipped with the connecting rod fixing axle being vertically arranged, described
Connecting rod fixing axle is located at the inner side of the stub connecting portion of left and right ends, and the upper end of the vehicle frame articulated section is arranged provided with fore-and-aft direction
Vehicle frame jointed shaft, the vehicle frame jointed shaft is located at the top of the upper bridge plate；
The reinforcement steering mechanism between the upper bridge plate and lower bridge plate, the reinforcement steering mechanism include cross-tie,
Linkage and slewing journal structure, the slewing journal structure include knuckle and knuckle arm, and the knuckle includes axis hole end
With wheel hub connection end, the wheel hub connection end of the knuckle is connected with wheel hub, and wheel is arranged on the wheel hub；The knuckle
Arm is fixed on the axis hole end of knuckle, and the linkage includes first connecting rod, second connecting rod and third connecting rod, the transverse direction
The left and right ends of pull bar are hinged with one end of first connecting rod respectively, and one end of the second connecting rod is provided with through hole, the through hole
It is sleeved in connecting rod fixing axle, one end and the knuckle arm of the third connecting rod are hinged, the other end of the first connecting rod and
The other end of two connecting rods, the other end of third connecting rod pass through same hinge；
Stub sequentially passes through the axis hole at axis hole end and the stub of lower bridge plate of the stub connecting portion of bridge plate, knuckle from top to bottom
Connecting portion.
2. it is as claimed in claim 1 it is a kind of can reinforcement big corner fork-truck steering mechanism, it is characterised in that：The reinforcement turns to
Mechanism is ten linkages.
3. it is as claimed in claim 1 or 2 it is a kind of can reinforcement big corner fork-truck steering mechanism, it is characterised in that：The transverse direction
Pull bar constitutes six bar force-increasing mechanisms with linkage and slewing journal structure.
4. it is as claimed in claim 1 or 2 it is a kind of can reinforcement big corner fork-truck steering mechanism, it is characterised in that：The steering
Bridge plate body assembly is " W " shape.
5. it is as claimed in claim 1 or 2 it is a kind of can reinforcement big corner fork-truck steering mechanism, it is characterised in that：The reinforcement
The inside lock α of steering mechanism is 94 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573556.3A CN107685770A (en) | 2017-07-14 | 2017-07-14 | It is a kind of can reinforcement big corner fork-truck steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710573556.3A CN107685770A (en) | 2017-07-14 | 2017-07-14 | It is a kind of can reinforcement big corner fork-truck steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107685770A true CN107685770A (en) | 2018-02-13 |
Family
ID=61152800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710573556.3A Pending CN107685770A (en) | 2017-07-14 | 2017-07-14 | It is a kind of can reinforcement big corner fork-truck steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107685770A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2719702A1 (en) * | 1977-05-03 | 1978-11-09 | Volkswagenwerk Ag | Stabilised steering system for car - has camber angle adjusted w.r.t. lateral loading using multisection track rod whose outer sections are mounted in pivot bearings |
| JPH0639671U (en) * | 1992-11-05 | 1994-05-27 | 東洋運搬機株式会社 | Axle device |
| FR2717141A1 (en) * | 1994-03-11 | 1995-09-15 | Hobbycar Sa | Directional control of vehicle steering wheels |
| JPH115557A (en) * | 1997-06-17 | 1999-01-12 | Toyota Autom Loom Works Ltd | Rear axle for industrial vehicle |
| JP2002120748A (en) * | 2000-10-13 | 2002-04-23 | Mitsubishi Heavy Ind Ltd | Steering axle for special vehicle |
| 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 |
| 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 |
| CN205801223U (en) * | 2016-05-23 | 2016-12-14 | 安徽合力股份有限公司安庆车桥厂 | Hydraulic power steering axle assembly for fork truck |
| CN207045453U (en) * | 2017-07-14 | 2018-02-27 | 浙江工业大学 | A kind of link-type fork-truck steering mechanism |
-
2017
- 2017-07-14 CN CN201710573556.3A patent/CN107685770A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2719702A1 (en) * | 1977-05-03 | 1978-11-09 | Volkswagenwerk Ag | Stabilised steering system for car - has camber angle adjusted w.r.t. lateral loading using multisection track rod whose outer sections are mounted in pivot bearings |
| JPH0639671U (en) * | 1992-11-05 | 1994-05-27 | 東洋運搬機株式会社 | Axle device |
| FR2717141A1 (en) * | 1994-03-11 | 1995-09-15 | Hobbycar Sa | Directional control of vehicle steering wheels |
| JPH115557A (en) * | 1997-06-17 | 1999-01-12 | Toyota Autom Loom Works Ltd | Rear axle for industrial vehicle |
| JP2002120748A (en) * | 2000-10-13 | 2002-04-23 | Mitsubishi Heavy Ind Ltd | Steering axle for special vehicle |
| 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 |
| 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 |
| CN205801223U (en) * | 2016-05-23 | 2016-12-14 | 安徽合力股份有限公司安庆车桥厂 | Hydraulic power steering axle assembly for fork truck |
| CN207045453U (en) * | 2017-07-14 | 2018-02-27 | 浙江工业大学 | A kind of link-type fork-truck steering mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180213 |