CN113320335A - Vehicle bridge device and pallet truck - Google Patents
Vehicle bridge device and pallet truck Download PDFInfo
- Publication number
- CN113320335A CN113320335A CN202110758849.5A CN202110758849A CN113320335A CN 113320335 A CN113320335 A CN 113320335A CN 202110758849 A CN202110758849 A CN 202110758849A CN 113320335 A CN113320335 A CN 113320335A
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- CN
- China
- Prior art keywords
- vehicle body
- connecting bridge
- driving
- wheels
- vehicle
- 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
- 238000013016 damping Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
- B60B35/163—Axle housings characterised by specific shape of the housing, e.g. adaptations to give space for other vehicle elements like chassis or exhaust system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0418—Electric motor acting on road wheel carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0442—Conversion of rotational into longitudinal movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a vehicle connecting bridge device and a pallet truck, comprising a truck body; the connecting bridge is arranged on the vehicle body, the connecting bridge swings up and down by taking the central axis of the vehicle body as an axis, and driving wheels with steering and driving functions are symmetrically arranged on two sides of the connecting bridge; wherein: the axle line of the connecting bridge frame is provided with a swing shaft in a penetrating way, two ends of the swing shaft are connected with the vehicle body, and two ends of the connecting bridge frame are provided with damping springs. The connecting bridge is arranged on the vehicle body through the swinging shaft, so that a swinging bridge structure is formed, when the vehicle runs to a road with poor road conditions, the swinging bridge adapts to the wheel surface through left-right swinging, the vehicle body part is kept balanced and stable, the driving wheels on two sides are uniformly stressed, the excessive abrasion of the wheels is reduced, and the service life of the wheels is prolonged; meanwhile, the driving motor and the steering motor are respectively arranged on the wheels on the two sides, so that the wheels on the two sides respectively have independent driving and steering kinetic energy.
Description
Technical Field
The invention relates to the technical field of pallet truck equipment, in particular to a vehicle connecting bridge device and a pallet truck.
Background
The electric pallet truck is a transport tool which is suitable for heavy load and long-time cargo operation and can greatly improve the cargo carrying efficiency, and can be widely used for logistics, warehouses, projects, markets, stations, airports and the like. With the rapid development of modern industry and logistics industry, the electric pallet truck is widely concerned in the aspects of use efficiency, manufacture and maintenance of finished products, safety and stability and the like as an important goods transportation tool.
As shown in fig. 1, in the conventional pallet truck, a hydraulic steering motor 11 is arranged on a mounting plate 15, a chain wheel 12 is arranged on a main shaft of the hydraulic steering motor 11, a power wheel 13 on the same side is driven to steer under the action of a chain, and the power wheels on the left side and the right side achieve the effect of synchronous steering through a connecting rod 14, and meanwhile, the mounting plate 15 is fixedly welded on a truck body, but the above device has the following obvious disadvantages in the using process:
1. in the actual turning process of the vehicle, the actual turning angles of the power wheels at the left side and the right side are different, and the turning angles are the same under the action of the connecting rod, so that the driving wheels are easy to sideslip and the vehicle is unstable to run in the turning process;
2. because the mounting plate is fixedly connected with the vehicle body by welding, when the vehicle runs to a road with poor road conditions, the load of the vehicle body is easily concentrated on the power wheel on one side, the power wheels on two sides are unbalanced in stress, even the condition of overlarge load or overload running occurs, the power wheel is easily damaged, and the service life of the power wheel is greatly reduced.
Disclosure of Invention
The present invention is directed to a vehicle axle connecting device and a pallet truck, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a vehicle axle connecting device comprises a vehicle axle connecting device,
a vehicle body;
the connecting bridge is arranged on the vehicle body, the connecting bridge swings up and down by taking the central axis of the vehicle body as an axis, and driving wheels with steering and driving functions are symmetrically arranged on two sides of the connecting bridge;
wherein: an oscillating shaft penetrates through the central axis of the connecting bridge, two ends of the oscillating shaft are connected with the vehicle body, damping springs are arranged at two ends of the connecting bridge, and the other ends of the damping springs are connected with a fixing plate on the vehicle body.
Preferably, a driving motor and a steering motor are respectively arranged on two sides of the connecting bridge frame, and the driving motor and the steering motor respectively drive the driving wheel to rotate and steer through the transmission gear set.
Preferably, a fixed seat is arranged on the vehicle body, and two ends of the oscillating shaft are arranged in the fixed seat through bearings.
Preferably, limiting plates are arranged at two ends of the swinging shaft.
The application also provides a pallet truck, which comprises the vehicle connecting bridge device.
Compared with the prior art, the invention has the beneficial effects that:
the connecting bridge is arranged on the vehicle body through the swinging shaft, so that a swinging bridge structure is formed, when the vehicle runs to a road with poor road conditions, the swinging bridge adapts to the wheel surface through left-right swinging, the vehicle body part is kept balanced and stable, the driving wheels on two sides are uniformly stressed, the excessive abrasion of the wheels is reduced, and the service life of the wheels is prolonged; meanwhile, the driving motor and the steering motor are respectively arranged on the wheels at the two sides, so that the wheels at the two sides respectively have independent driving and steering kinetic energy, and on one hand, when the vehicle turns, the wheels at the two sides have different steering angles, so that the sideslip of the vehicle caused by the same steering angle is avoided, and the stability of the vehicle during turning is improved; on the other hand, the dual-drive arrangement makes the vehicle more powerful and more suitable for heavy load.
Drawings
FIG. 1 is a schematic structural diagram of a power device of a pallet truck in the prior art;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the bridge structure of the present invention;
FIG. 4 is a schematic view of the body structure of the present invention;
fig. 5 is a schematic structural view of the pallet truck of the present invention.
In the figure: the hydraulic steering device comprises a vehicle body 1, a bridge frame 2, a swinging shaft 3, a fixing plate 4, a damping spring 5, a driving wheel 6, a driving motor 7, a steering motor 8, a limiting plate 9, a fixing seat 10, a hydraulic steering motor 11, a chain wheel 12, a power wheel 13, a mounting plate 14 and a connecting rod 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a vehicle axle connecting device comprises a vehicle axle connecting device,
the truck comprises a truck body 1, a power and control device, a front truck body 1, a rear truck body, a front truck body, a rear truck body, a front truck body, a rear truck body and a rear truck body, wherein the front truck body 1 is a cargo carrying flat plate, and the lower part of the flat plate is provided with running wheels;
the connecting bridge frame 2 is movably arranged at the rear part of the vehicle body 1, the connecting bridge frame 2 swings up and down by taking the central axis of the vehicle body 1 as the axis center, the central axis of the connecting bridge frame 2 is provided with a swing shaft 3 in a penetrating way, two ends of the swing shaft 3 are connected with the vehicle body 1, the vehicle body 1 is provided with a fixed seat 10, two ends of the swing shaft 3 are arranged in the fixed seat 10 through bearings, two ends of the swing shaft 3 are provided with limit plates 9, two ends of the connecting bridge frame 2 are provided with damping springs 5, the other ends of the damping springs 5 are connected with a fixed plate 4 on the vehicle body 1, so that a swing bridge structure is formed, when the vehicle runs to a road with bad road conditions, the connecting bridge frame 2 swings up and down by taking the swing shaft 3 as the center to adapt to the; on the other hand, the load of the vehicle body can be evenly distributed on the driving wheels 6 at two sides, so that the condition that the driving wheels 6 are abraded and even damaged due to load offset is effectively avoided;
driving wheels 6 with steering and driving functions are symmetrically arranged on two sides of the connecting bridge frame 2, a driving motor 7 and a steering motor 8 are respectively arranged on two sides of the connecting bridge frame 2, and the driving motor 7 and the steering motor 8 respectively drive the driving wheels 6 to rotate and steer through a transmission gear set; the driving wheels 6 on the two sides are set to have independent driving and steering functions, when the vehicle turns, the driving wheels 6 on the two sides have different rotating angles under the action of the steering motor 8, and the sideslip caused by the fact that the rotating angles of the driving wheels 6 on the two sides are the same is effectively avoided; meanwhile, the double driving force arrangement enables the vehicle to have stronger power performance and is suitable for large-tonnage transportation;
the application also provides a pallet truck, which comprises the vehicle connecting bridge device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A vehicular axle connecting device characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a vehicle body (1);
the connecting bridge frame (2) is arranged on the vehicle body (1), the connecting bridge frame (2) swings up and down by taking the central axis of the vehicle body (1) as an axis, and driving wheels (6) with steering and driving functions are symmetrically arranged on two sides of the connecting bridge frame (2);
wherein: the crane is characterized in that an oscillating shaft (3) penetrates through the axis of the bridge (2), the two ends of the oscillating shaft (3) are connected with the crane body (1), damping springs (5) are arranged at the two ends of the bridge (2), and the other ends of the damping springs (5) are connected with a fixing plate (4) on the crane body (1).
2. A vehicular axle connecting device according to claim 1, wherein: the driving device is characterized in that two sides of the bridge frame (2) are respectively provided with a driving motor (7) and a steering motor (8), and the driving motor (7) and the steering motor (8) respectively drive a driving wheel (6) to rotate and steer through a transmission gear set.
3. A vehicular axle connecting device according to claim 1, wherein: the vehicle body (1) is provided with a fixed seat (10), and two ends of the oscillating shaft (3) are arranged in the fixed seat (10) through bearings.
4. A vehicular axle connecting device according to claim 3, wherein: limiting plates (9) are arranged at two ends of the swinging shaft (3).
5. A pallet truck, characterized in that: a vehicle bridging device comprising any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758849.5A CN113320335A (en) | 2021-07-05 | 2021-07-05 | Vehicle bridge device and pallet truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110758849.5A CN113320335A (en) | 2021-07-05 | 2021-07-05 | Vehicle bridge device and pallet truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113320335A true CN113320335A (en) | 2021-08-31 |
Family
ID=77425649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110758849.5A Pending CN113320335A (en) | 2021-07-05 | 2021-07-05 | Vehicle bridge device and pallet truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113320335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108966A1 (en) * | 2021-12-14 | 2023-06-22 | 合肥搬易通科技发展有限公司 | Independent electronic steering axle and four-fulcrum counterbalance forklift |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10034291A1 (en) * | 1999-07-15 | 2001-02-01 | Honda Motor Co Ltd | Vehicle with turning mechanism has turning drive mechanism for exerting torque on one or other pair of wheels to turn body near centre of rotation axis of other pair of wheels |
| CN200977848Y (en) * | 2006-06-27 | 2007-11-21 | 杭州三园工具有限公司 | Electric vehicle chassis |
| CN102941789A (en) * | 2012-11-27 | 2013-02-27 | 赵玉宝 | Shock absorbing method and lever-type non-independent suspension bridge device of electric automobile |
| CN103273938A (en) * | 2013-05-31 | 2013-09-04 | 南车株洲电力机车有限公司 | Bogie |
| CN112078356A (en) * | 2020-08-28 | 2020-12-15 | 北京特种机械研究所 | Steering axle driven by small-angle swinging of steering wheel for AGV |
| CN216833053U (en) * | 2021-07-05 | 2022-06-28 | 合肥搬易通科技发展有限公司 | Vehicle bridge device and pallet truck |
-
2021
- 2021-07-05 CN CN202110758849.5A patent/CN113320335A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10034291A1 (en) * | 1999-07-15 | 2001-02-01 | Honda Motor Co Ltd | Vehicle with turning mechanism has turning drive mechanism for exerting torque on one or other pair of wheels to turn body near centre of rotation axis of other pair of wheels |
| CN200977848Y (en) * | 2006-06-27 | 2007-11-21 | 杭州三园工具有限公司 | Electric vehicle chassis |
| CN102941789A (en) * | 2012-11-27 | 2013-02-27 | 赵玉宝 | Shock absorbing method and lever-type non-independent suspension bridge device of electric automobile |
| CN103273938A (en) * | 2013-05-31 | 2013-09-04 | 南车株洲电力机车有限公司 | Bogie |
| CN112078356A (en) * | 2020-08-28 | 2020-12-15 | 北京特种机械研究所 | Steering axle driven by small-angle swinging of steering wheel for AGV |
| CN216833053U (en) * | 2021-07-05 | 2022-06-28 | 合肥搬易通科技发展有限公司 | Vehicle bridge device and pallet truck |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108966A1 (en) * | 2021-12-14 | 2023-06-22 | 合肥搬易通科技发展有限公司 | Independent electronic steering axle and four-fulcrum counterbalance forklift |
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