CN107128844B - Four-pivot forklift with steering mechanism - Google Patents
Four-pivot forklift with steering mechanism Download PDFInfo
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- CN107128844B CN107128844B CN201710441901.8A CN201710441901A CN107128844B CN 107128844 B CN107128844 B CN 107128844B CN 201710441901 A CN201710441901 A CN 201710441901A CN 107128844 B CN107128844 B CN 107128844B
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- steering
- frame
- driving
- bogie
- wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07568—Steering arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a four-pivot forklift with a steering mechanism, which comprises a frame and a driving system, wherein the frame is provided with a steering mechanism; the rear part of the frame is provided with a steering bracket, and the steering bracket is provided with a first rotatable sprocket; the first chain wheel is fixedly provided with a steering seat; the upper part of the steering seat is provided with a steering handle; the steering handle is positioned at the center of the rear part of the frame; the driving system comprises a driving motor; the lower part of the driving motor is connected with the gear box through a slewing bearing; the gear box is provided with a driving wheel; a transition chain plate is arranged at the top of the driving motor; the upper end of the transition chain plate is provided with a second chain wheel; the lower end face of the transition chain plate is provided with a bogie; the lower end of the bogie is connected with the gear box; the first chain wheel and the second chain wheel are in transmission connection through a chain; when the steering handle rotates, the driving wheel can be driven to steer, so that the forklift is steered; the invention is convenient for operators to operate.
Description
Technical Field
The invention relates to an improvement of a four-pivot forklift, in particular to a four-pivot forklift with a steering mechanism, which has a simple structure and is easy to operate.
Background
At present, most steering handles of the four-pivot forklift are biased, so that the steering handles do not conform to the operation habit of a driver, and the driving is extremely inconvenient; therefore, the four-pivot forklift with the steering mechanism is simple in structure and easy to operate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the four-pivot forklift with the steering mechanism, which is simple in structure and easy to operate.
In order to achieve the above purpose, the invention adopts the following technical scheme: a four-pivot forklift with a steering mechanism comprises a frame and a driving system; two legs are symmetrically arranged at the front part of the frame, a steering bracket is arranged at the rear part of the frame, and a first chain wheel capable of rotating is arranged on the steering bracket; the first chain wheel is fixedly provided with a steering seat; a steering column is hinged on the steering seat; a steering handle is arranged on the steering column; the steering handle is positioned at the center of the rear part of the frame; the driving system comprises a driving motor; the lower part of the driving motor is connected with the gear box through a slewing bearing; the gear box is provided with a driving wheel and can drive the driving wheel to work; the driving motor is provided with a driving wheel frame; the driving wheel frame can fix the driving motor on the frame; a transition chain plate is arranged at the top of the driving motor; the upper end of the transition chain plate is provided with a second chain wheel; the lower end face of the transition chain plate is provided with a bogie; the lower end of the bogie is connected with the gear box; the first chain wheel and the second chain wheel are in transmission connection through a chain; when the steering handle rotates, the first chain wheel drives the second chain wheel to rotate; the bogie drives the driving system to rotate and simultaneously drives the driving wheels to turn, so that the forklift is turned.
Preferably, a strip-shaped groove is formed in the lower surface of the transition chain plate; the upper surface of the bogie is provided with strip-shaped protruding blocks; the strip-shaped protruding blocks are clamped into the strip-shaped grooves.
Preferably, protruding shafts are uniformly distributed on the outer sides of the strip-shaped protruding blocks; the convex shaft is inserted into the jack on the lower surface of the transition chain plate.
Preferably, limit plates are symmetrically arranged on the two sides of the steering support corresponding to the steering seat; when the steering seat rotates, the protrusions on the steering seat can touch the limiting plate, so that the steering limiting function is realized, and the rotating range of the steering seat is 180 degrees.
Preferably, the steering bracket is provided with an adjusting plate, and the adjusting plate is provided with a rotatable adjusting chain wheel which can be used for adjusting the tightness of the chain.
Preferably, the driving system is arranged on the left side of the rear end of the frame, and the balance wheel assembly is arranged on the right side of the rear end of the frame; the front ends of the vehicle legs are respectively provided with a load wheel; this forms a four point support for the forklift.
Preferably, the first sprocket is sleeved on the steering seat; a bearing is sleeved on the steering seat; the bearing is arranged in the bearing seat; the bearing seat is fixed on the steering bracket; the tail end of the steering seat penetrates through the steering bracket and is fixed by a nut.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the four-pivot forklift with the steering mechanism drives the first sprocket through the rotation of the steering handle, the first sprocket drives the second sprocket through the chain, the second sprocket drives the bogie through the transition chain plate to rotate, the bogie is connected with the gear box, and the driving wheel is arranged on the gear box, so that the steering of the driving wheel is realized; the steering handle is positioned at the center of the rear part of the frame, so that the steering handle is convenient for operators to operate; the invention has simple structure and convenient use.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
FIG. 1 is a first angular perspective view of a four-pivot fork lift truck with a steering mechanism of the present invention;
FIG. 2 is an enlarged perspective view of a steering bracket of the four-pivot fork truck with a steering mechanism of the present invention;
FIG. 3 is an enlarged perspective view of the drive system of the four-pivot fork lift truck with steering mechanism of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of a schematic installation diagram of a steering seat of the four-pivot fork lift truck with steering mechanism of the present invention;
wherein: 1. a steering system; 2. a steering bracket; 3. a chain; 4. a bogie; 5. a drive system; 6. balance wheel assembly; 7. a steering handle; 8. a steering column; 9. a steering seat; 10. a first sprocket; 11. a limiting plate; 12. a second sprocket; 13. a transition chain plate; 14. an adjusting sprocket; 15. an adjusting plate; 16. a driving motor; 17. a driving wheel frame; 18. a slewing bearing; 19. a gear box; 20. a driving wheel; 21. a load wheel; 22. a frame; 23. a strip-shaped bump; 24. a protruding shaft; 25. a strip-shaped groove; 26. a bearing seat; 27. a bearing; 28. and (3) a nut.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
FIGS. 1-5 illustrate a four-pivot forklift with a steering mechanism according to the present invention, comprising a frame 22 and a drive system 5; two legs (not shown) are symmetrically arranged at the front part of the frame 22, a steering bracket 2 is arranged at the rear part of the frame 22, and a first sprocket 10 capable of rotating is arranged on the steering bracket 2; a steering seat 9 is fixedly arranged on the first chain wheel 10; the steering seat 9 is hinged with a steering column 8, and specifically, the first chain wheel 10 is sleeved on the steering seat 9; a bearing 27 is sleeved on the steering seat 9; the bearing 27 is arranged in the bearing seat 26; the bearing seat 26 is fixed on the steering bracket 2; the tail end of the steering seat 9 passes through the steering bracket 2 and is fixed by a nut 28; a steering handle 7 is arranged on the steering column 8; the steering handle 7 is positioned at the center of the rear part of the frame 22; the drive system 5 comprises a drive motor 16; the lower part of the driving motor 16 is connected with a gear box 19 through a slewing bearing 18; the gear box 19 is provided with a driving wheel 20 and can drive the driving wheel 20 to work; the driving motor 16 is provided with a driving wheel frame 17; the driving wheel frame 17 can fix the driving motor 16 on the frame 22; a transition chain plate 13 is arranged at the top of the driving motor 16; the upper end of the transition chain plate 13 is provided with a second chain wheel 12; the lower end face of the transition chain plate 13 is provided with a bogie 4; the lower end of the bogie 4 is connected with a gear box 19; the first chain wheel 10 and the second chain wheel 12 are in transmission connection through a chain 3; when the steering handle 7 rotates, the first sprocket 10 drives the second sprocket 12 to rotate; the bogie 4 drives the driving system 5 to rotate and simultaneously drives the driving wheels 20 to turn, so that the forklift is turned.
The lower surface of the transition chain plate 13 is provided with a strip-shaped groove 25; the upper surface of the bogie 4 is provided with strip-shaped lugs 23; convex shafts 24 are uniformly distributed on the outer sides of the strip-shaped convex blocks 23; the convex shaft 24 is inserted into a jack (not shown) on the lower surface of the transition chain plate 13; the strip-shaped convex blocks 23 are clamped into the strip-shaped grooves 25; limiting plates 11 are symmetrically arranged on the two sides of the steering bracket 2 corresponding to the steering seat 9; when the steering seat 9 rotates, the protrusions on the steering seat can touch the limiting plate 11, so that the steering limiting function is realized, and the rotation range of the steering seat 9 is 180 degrees.
The steering bracket 2 is provided with an adjusting plate 15, and the adjusting plate 15 is provided with a rotatable adjusting chain wheel 14 which can be used for adjusting the tightness of the chain 3.
The driving system 5 is arranged on the left side of the rear end of the frame 22, and the balance wheel assembly 6 is arranged on the right side of the rear end of the frame 22; the front ends of the vehicle legs are respectively provided with a load wheel 21; this forms a four point support for the forklift.
When in operation, the device comprises: when the driving motor 16 works, the driving motor 16 is driven to rotate, so that the forklift moves on a working surface, and when the steering handle 7 rotates, the first chain wheel 10 drives the second chain wheel 12 to rotate; the bogie 4 drives the driving system 5 to rotate and simultaneously drives the driving wheel 20 to turn, so that the forklift is turned; when the steering seat 9 rotates, the protrusions on the steering seat can touch the limiting plate 11, so that the steering limiting function is realized, and the rotation range of the steering seat 9 is 180 degrees.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the four-pivot forklift with the steering mechanism drives the first chain wheel 10 through the rotation of the steering handle 7, the first chain wheel 10 drives the second chain wheel 12 through the chain 3, the second chain wheel 12 drives the bogie 4 through the transition chain plate 13 to rotate, the bogie 4 is connected with the gear box 19, and the gear box 19 is provided with the driving wheel 20, so that the steering of the driving wheel 20 is realized; the steering handle 7 is positioned at the center of the rear part of the frame 22, so that the steering handle is convenient for operators to operate; the invention has simple structure and convenient use.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (2)
1. A four-pivot forklift with a steering mechanism comprises a frame and a driving system; two legs are symmetrically arranged at the front part of the frame, and the bicycle frame is characterized in that: the rear part of the frame is provided with a steering bracket, and the steering bracket is provided with a first rotatable sprocket; the first chain wheel is fixedly provided with a steering seat; a steering column is hinged on the steering seat; a steering handle is arranged on the steering column; the steering handle is positioned at the center of the rear part of the frame; the driving system comprises a driving motor; the lower part of the driving motor is connected with the gear box through a slewing bearing; the gear box is provided with a driving wheel and can drive the driving wheel to work; the driving motor is provided with a driving wheel frame; the driving wheel frame can fix the driving motor on the frame; a transition chain plate is arranged at the top of the driving motor; the upper end of the transition chain plate is provided with a second chain wheel; the lower end face of the transition chain plate is provided with a bogie; the lower end of the bogie is connected with the gear box; the first chain wheel and the second chain wheel are in transmission connection through a chain; when the steering handle rotates, the first sprocket drives the second sprocket to rotate, the second sprocket drives the bogie to rotate through the transition chain plate, and the bogie is connected with the gear box; the bogie drives the driving system to rotate and simultaneously drives the driving wheels to turn, so that the forklift is turned; the lower surface of the transition chain plate is provided with a strip-shaped groove; the upper surface of the bogie is provided with strip-shaped protruding blocks; the strip-shaped protruding blocks are clamped into the strip-shaped grooves; limiting plates are symmetrically arranged on the steering support corresponding to the two sides of the steering seat; when the steering seat rotates, the protrusions on the steering seat can touch the limiting plate, so that the steering limiting function is realized, and the rotating range of the steering seat is 180 degrees.
2. The four-pivot forklift with steering mechanism of claim 1, wherein: convex shafts are uniformly distributed on the outer sides of the strip-shaped convex blocks; the convex shaft is inserted into the jack on the lower surface of the transition chain plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441901.8A CN107128844B (en) | 2017-06-13 | 2017-06-13 | Four-pivot forklift with steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441901.8A CN107128844B (en) | 2017-06-13 | 2017-06-13 | Four-pivot forklift with steering mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107128844A CN107128844A (en) | 2017-09-05 |
| CN107128844B true CN107128844B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710441901.8A Active CN107128844B (en) | 2017-06-13 | 2017-06-13 | Four-pivot forklift with steering mechanism |
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| Country | Link |
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| CN (1) | CN107128844B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353847B (en) * | 2020-03-03 | 2022-09-09 | 林德（中国）叉车有限公司 | Eccentric mechanical steering mechanism of tiller |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000015283A (en) * | 1998-08-28 | 2000-03-15 | 추호석 | Steering wheel device of forklift truck |
| KR20120044436A (en) * | 2010-10-28 | 2012-05-08 | 이광남 | Electronic power steering for pallet truck |
| CN104444951A (en) * | 2014-11-28 | 2015-03-25 | 浙江上加机械有限公司 | Vertical alternating current driving device |
| CN204508709U (en) * | 2015-03-06 | 2015-07-29 | 意欧斯仓储设备股份有限公司 | A kind of sight line is without dead angle forklift |
| CN104943757A (en) * | 2015-06-30 | 2015-09-30 | 苏州先锋物流装备科技有限公司 | Steering system of walking type forklift truck |
| CN204958297U (en) * | 2015-09-30 | 2016-01-13 | 浙江上加机械有限公司 | Electric stacker |
| CN105819371A (en) * | 2016-05-09 | 2016-08-03 | 苏州先锋物流装备科技有限公司 | Walking type piling car |
| CN205906084U (en) * | 2016-08-27 | 2017-01-25 | 浙江加力仓储设备股份有限公司 | Electric tractor |
| DE102015117618A1 (en) * | 2015-10-16 | 2017-04-20 | Jungheinrich Aktiengesellschaft | Industrial truck with a mechanically coupled steering |
| CN206858075U (en) * | 2017-06-13 | 2018-01-09 | 苏州先锋物流装备科技有限公司 | A kind of four fulcrum forklifts of band steering mechanism |
-
2017
- 2017-06-13 CN CN201710441901.8A patent/CN107128844B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000015283A (en) * | 1998-08-28 | 2000-03-15 | 추호석 | Steering wheel device of forklift truck |
| KR20120044436A (en) * | 2010-10-28 | 2012-05-08 | 이광남 | Electronic power steering for pallet truck |
| CN104444951A (en) * | 2014-11-28 | 2015-03-25 | 浙江上加机械有限公司 | Vertical alternating current driving device |
| CN204508709U (en) * | 2015-03-06 | 2015-07-29 | 意欧斯仓储设备股份有限公司 | A kind of sight line is without dead angle forklift |
| CN104943757A (en) * | 2015-06-30 | 2015-09-30 | 苏州先锋物流装备科技有限公司 | Steering system of walking type forklift truck |
| CN204958297U (en) * | 2015-09-30 | 2016-01-13 | 浙江上加机械有限公司 | Electric stacker |
| DE102015117618A1 (en) * | 2015-10-16 | 2017-04-20 | Jungheinrich Aktiengesellschaft | Industrial truck with a mechanically coupled steering |
| CN105819371A (en) * | 2016-05-09 | 2016-08-03 | 苏州先锋物流装备科技有限公司 | Walking type piling car |
| CN205906084U (en) * | 2016-08-27 | 2017-01-25 | 浙江加力仓储设备股份有限公司 | Electric tractor |
| CN206858075U (en) * | 2017-06-13 | 2018-01-09 | 苏州先锋物流装备科技有限公司 | A kind of four fulcrum forklifts of band steering mechanism |
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| Publication number | Publication date |
|---|---|
| CN107128844A (en) | 2017-09-05 |
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