CN102431409A - Back wheel position adjusting device for vehicle and vehicle with adjusting device - Google Patents
Back wheel position adjusting device for vehicle and vehicle with adjusting device Download PDFInfo
- Publication number
- CN102431409A CN102431409A CN2011103287828A CN201110328782A CN102431409A CN 102431409 A CN102431409 A CN 102431409A CN 2011103287828 A CN2011103287828 A CN 2011103287828A CN 201110328782 A CN201110328782 A CN 201110328782A CN 102431409 A CN102431409 A CN 102431409A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- vehicle body
- suspended rack
- rack assembly
- rear wheel
- 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.)
- Granted
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a back wheel position adjusting device for a vehicle and the vehicle with the adjusting device, which belong to the technical field of machinery and solve the technical problem that the distances between back wheels and front wheels of the conventional automobile cannot be adjusted. The vehicle with the back wheel position adjusting device for the vehicle comprises a vehicle body and a suspension component which is connected with the back wheels, and the adjusting device is positioned between the suspension component and the vehicle body and comprises a guide mechanism by which the connecting plate of the suspension component is connected with the vehicle body and the suspension component can be moved along the longitudinal axis of the vehicle body; and a driving piece is fixed on the vehicle body, and a transmission mechanism by which the driving action of the driving piece can be converted into the movement of the suspension component along the longitudinal axis of the vehicle body is arranged between the driving piece and the connecting plate in the suspension component. By the invention, the positions of the back wheels of the vehicle can be adjusted, so that the requirements of different loads of the vehicle can be met, the suspension component bears relatively steady acting force all the time, and the comfort of driving the vehicle and the flexibility of operating the vehicle are improved.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of control apparatus, particularly a kind of vehicle rear wheel apparatus for adjusting position.
The present invention also belongs to the vehicle technology field, particularly relates to a kind of vehicle with above-mentioned vehicle rear wheel apparatus for adjusting position.
Background technology
Automobile refers to have self equips power operated vehicle; Generally have four or more wheel, do not rely on track or stringing and at the vehicle of land locomotion.
Along with the socioeconomic fast development in the world, people's income and living standard also improve constantly and the developing rapidly of industries such as automobile and motor bike.At present, most automobiles and motor bike all are by fuel engines power to be provided; And oil is non-renewable resources, so people are developing the vehicle that adopts new forms of energy to drive just energetically.Electronlmobil and battery-operated motor cycle be exactly important place to one of.
The applicant has designed a kind of combination motor vehicle, and it comprises electronlmobil and battery-operated motor cycle, and battery-operated motor cycle can be built in the afterbody of electronlmobil, and this combined vehicle of application person is the mocha car.
At present, the afterbody load carrying ability of automobile is all lower, and the distance between front axle and the rear axle also is according to information design-calculateds such as load carrying abilities.The weight of battery-operated motor cycle is heavier, has just increased the load of rear axle in the time of in it places electronlmobil widely.Obviously, adopting existing automobile design is the designing requirement and the actual operating needs that can't satisfy the mocha car; And, at present also nobody find promptly to solve above-mentioned deposit problem.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of vehicle rear wheel apparatus for adjusting position, regulate the back wheel location and then satisfy the different load-carrying requirement of vehicle through this control apparatus to existing technology.
The object of the invention can be realized through following technical proposal: a kind of vehicle rear wheel apparatus for adjusting position; Vehicle comprises vehicle body and the suspended rack assembly that links to each other with trailing wheel; It is characterized in that; This control apparatus is between suspended rack assembly and vehicle body, and it comprises the guiding mechanism that connects connecting panel and vehicle body in the suspended rack assembly and suspended rack assembly is moved along the vehicle body longitudinal axis; Be fixed with actuator on the described vehicle body, be provided with between the connecting panel in described actuator and the suspended rack assembly and can the drive actions of actuator be converted into the transmission device that suspended rack assembly moves along the vehicle body longitudinal axis.
Trailing wheel is positioned on the suspended rack assembly; Guiding mechanism links to each other suspended rack assembly with vehicle body; When the load carrying ability of vehicle need change, handle actuator, actuator drives the transmission device motion; And then suspended rack assembly is moved along the vehicle body longitudinal axis,, suspended rack assembly stops manipulation after arriving the desired position to actuator.When actuator stopped to drive suspended rack assembly, suspended rack assembly can be in stationary state with respect to vehicle body under the effect of transmission device and actuator.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described guiding mechanism comprises the slide rail that is direct rod shape and is set in the linear bearing on the slide rail; Described linear bearing is fixed on the vehicle body; Described slide rail is fixed in the suspended rack assembly on the connecting panel.The guiding mechanism that slide rail and linear bearing are formed can satisfy requirements such as vehicle load load, and it is low also to have productive costs simultaneously, stability of motion and high advantage flexibly.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described actuator is an oil cylinder; The cylinder body of described oil cylinder is fixed on the vehicle body.Adopt hydraulic oil cylinder driving to have the propulsive effort foot, satisfy the requirement that drives component movement such as suspended rack assembly.Simultaneously, adopt hydraulic oil cylinder driving also to have movement travel control and motion pulsation-free advantage easily.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described transmission device is that the free end of oil cylinder piston bar is captiveed joint with an end of slide rail.The structure of slide rail and the structure of piston rod are approaching, and adopt the oil cylinder direct drive to have advantage of simple structure.Slide rail in this programme can directly be the piston rod of oil cylinder.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described guiding mechanism comprises the slide rail and the bar shaped slide block that is positioned in the slide rail of vertical bar shape, and described slide rail is fixed on the vehicle body; Described slide block is fixed in the suspended rack assembly on the connecting panel.The guiding mechanism that slide block and slide rail are formed satisfies the straight reciprocating motion of suspended rack assembly with respect to vehicle body, and it has the rated load, nominal load higher than linear bearing, can bear certain moment of torsion simultaneously, can under the situation of high capacity, realize high-precision straight-line motion.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described actuator is a motor; Described electric machine casing is fixed on the vehicle body.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described transmission device comprises a rhizoid bar, and described screw mandrel is connected with slide block; One end of described screw mandrel is captiveed joint with machine shaft.Screw mandrel and slide block are through being threaded, and slide block moves axially with respect to screw mandrel when the motor-driven screw mandrel rotates, and then realize moving of suspended rack assembly.This screw mandrel can also be located in the center of slide block, therefore has the advantage of compact conformation.Simultaneously, between screw mandrel and the slide block because be threaded, so go back the advantage of auto-lock function between the two.
In above-mentioned vehicle rear wheel apparatus for adjusting position, this control apparatus comprises that also be arranged in the suspended rack assembly between the connecting panel and vehicle body when connecting panel in the suspended rack assembly is positioned at respect to the vehicle body desired location can be with the locking mechanism on connecting panel location and the vehicle body.It is to improve fastness fixing between suspended rack assembly and the vehicle body that locking mechanism is set; Promptly avoid the vehicle phenomenon that is moved with respect to vehicle body of suspended rack assembly in motion, and then influenced the cruising of vehicle.
In above-mentioned vehicle rear wheel apparatus for adjusting position, described locking mechanism comprises the electromagnet that is fixed on the vehicle body, is fixed with a locating dowel pin on the iron core of described electromagnet; At least have two positioning grooves in the described suspended rack assembly on the connecting panel, described positioning groove is corresponding with locating dowel pin and the required position location of trailing wheel homogeneous one; Described locating dowel pin can embed in the positioning groove.This locking mechanism adopts pin and groove to cooperate realization locked, therefore has advantage of simple structure.Simultaneously, actuating solenoid can drive the motion of locating dowel pin, handles the ground comfort feature so improved effectively.
A kind of vehicle with above-mentioned vehicle rear wheel apparatus for adjusting position, described vehicle comprise vehicle body and two groups of suspended rack assemblies that connect one to one with two trailing wheels; It is characterized in that, be equipped with an above-mentioned vehicle rear wheel apparatus for adjusting position in described every group of suspended rack assembly between connecting panel and the vehicle body.
In the above-mentioned vehicle with above-mentioned vehicle rear wheel apparatus for adjusting position, described suspended rack assembly comprises an adapter shaft, and adapter shaft is connected through a connecting rod in two groups of described suspended rack assemblies.
Compared with prior art, this vehicle rear wheel apparatus for adjusting position has the advantage of simple and compact for structure, reasonable in design, easy to use and stable performance.
Originally the vehicle that has above-mentioned vehicle rear wheel apparatus for adjusting position can be regulated the position of trailing wheel; And then satisfy the demand that this vehicle satisfies different load-carryings; Make suspended rack assembly bear more stable application force all the time simultaneously, improve the traveling comfort of vehicular drive and the alerting ability of manipulation.
Description of drawings
Fig. 1 is the blast structural representation of this vehicle rear wheel apparatus for adjusting position.
Fig. 2 is the perspective view of this vehicle rear wheel apparatus for adjusting position.
Fig. 3 is that this vehicle rear wheel apparatus for adjusting position is in the perspective view under the another kind of state.
Among the figure, 1, slide rail; 2, slide block; 3, motor; 4, screw mandrel; 5, suspended rack assembly; 51, connecting panel; 52, adapter shaft; 6, connecting rod.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
Embodiment one
As shown in Figure 1, vehicle comprises vehicle body, trailing wheel and the suspended rack assembly that links to each other with trailing wheel 5, and this vehicle is an automobile; Suspended rack assembly 5 comprises connecting panel 51 and adapter shaft 52.This vehicle rear wheel apparatus for adjusting position is arranged between suspended rack assembly 5 and the vehicle body, and this vehicle rear wheel apparatus for adjusting position comprises guiding mechanism, actuator and transmission device.
Specifically, this guiding mechanism can connect connecting panel 51 and vehicle body in the suspended rack assembly 5, and suspended rack assembly 5 is moved along the vehicle body longitudinal axis.More particularly, guiding mechanism comprises the slide rail 1 and the bar shaped slide block 2 that is positioned in the slide rail 1 of vertical bar shape, and slide rail 1 is fixed on the vehicle body; Slide block 2 is fixed in the suspended rack assembly 5 on the connecting panel 51.Obviously, the vertical line of slide rail 1 is parallel with the vertical line of vehicle body, and slide block 2 is only can be along slide rail 1 longitudinal sliding motion.
Transmission device is arranged in actuator and the suspended rack assembly 5 between the connecting panel 51, and transmission device can convert the drive actions of actuator into suspended rack assembly 5 and move along the vehicle body longitudinal axis.Transmission device comprises a rhizoid bar 4, and it is parallel with the longitudinal axis of slide block 2 that screw mandrel 4 is located in slide block 2 axle center interior and screw mandrel 4.As optimal case, screw mandrel 4 is located in the center of slide block 2.Be connected through screw thread between screw mandrel 4 and the slide block 2; Screw mandrel 4 can be with respect to slide block 2 axial motions when rotary screw rod 4.Actuator is a motor 3; Motor 3 housings are fixed on the vehicle body; One end of screw mandrel 4 is captiveed joint with motor 3 rotating shafts.
This control apparatus comprises that also be arranged in the suspended rack assembly 5 between the connecting panel 51 and vehicle body when connecting panel 51 in the suspended rack assembly 5 is positioned at respect to the vehicle body desired location can be with the locking mechanism on connecting panel 51 location and the vehicle body.Locking mechanism comprises electromagnet, locating dowel pin and positioning groove.More particularly, electromagnet is fixed on the vehicle body, is fixed with a locating dowel pin on the iron core of electromagnet; At least have two positioning grooves in the suspended rack assembly 5 on the connecting panel 51, positioning groove is corresponding with locating dowel pin and the required position location of trailing wheel homogeneous one; Locating dowel pin can embed in the positioning groove.
According to actual conditions, positioning groove can also be arranged on the slide block 2.Simultaneously, the required position location of the trailing wheel that this enforcement provides is two, has two positioning grooves so on the connecting panel 51 or on the slide block 2.
According to actual conditions, locking mechanism can also adopt following scheme replacement.Locking mechanism comprises electromagnet, locating dowel pin and positioning groove.Have two positioning grooves on the vehicle body, electromagnet is fixed in the suspended rack assembly 5 on the connecting panel 51, is fixed with a locating dowel pin on the iron core of electromagnet; Positioning groove is corresponding with locating dowel pin and the required position location of trailing wheel homogeneous one; Locating dowel pin can embed in the positioning groove.
This control apparatus also comprises a safety guard, and the safety fender guard comprises ECU and be positioned at the sensor at slide rail 1 two ends, and above-mentioned motor 3, two sensors all electrically connect with ECU.When the motion of motor 3 driving sliding block 2 moves stroke when excessive; Slide block 2 can trigger the sensor of a corresponding end, and the energizing signal of sensor transfers to the ECU place, and ECU handles above-mentioned energizing signal; And form the control signal of controlling motor 3 accordingly, and then control motor 3 stops operating.
A kind of vehicle with above-mentioned vehicle rear wheel apparatus for adjusting position, this vehicle is the electronlmobil in the mocha car.Vehicle comprises vehicle body and two groups of suspended rack assemblies 5 that connect one to one with two trailing wheels; Be equipped with an above-mentioned vehicle rear wheel apparatus for adjusting position in every group of suspended rack assembly 5 between connecting panel 51 and the vehicle body.Suspended rack assembly 5 comprises that adapter shaft 52 is connected through a connecting rod 6 in 52, two groups of suspended rack assemblies 5 of an adapter shaft.Connecting rod 6 is " U " type, and this structure promptly is connected two groups of suspended rack assemblies 5 effectively; Can improve the balance of suspended rack assembly 5 effectively again with respect to vehicle body.
Vehicle with this conciliation device is handled according to the following steps: before in battery-operated motor cycle gets into electronlmobil, and the requirement of going when electronlmobil need move motor bike to satisfy live through the spacing between increasing rear axle and the front axle.Handle motor 3 and make its rotation, motor 3 rotating shafts drive screw mandrel 4 and rotate, and screw mandrel 4 driving sliding block 2 move with respect to vehicle body backward, arrive the desired position until trailing wheel, realize that wheelbase strengthens.At this moment, one of them positioning groove and alignment pin position are relative; Actuating solenoid makes electromagnet promote locating dowel pin, in the head embedding positioning groove of locating dowel pin, and keeps this state.
In order to improve automation, motor 3 all links to each other with ECU with electromagnet, the motion of ECU control motor 3 rotational angles and control electromagnet.
After battery-operated motor cycle left electronlmobil, electronlmobil need be through reducing the requirement of going when unloaded to satisfy of spacing between rear axle and the front axle.At first, make electromagnet pulling locating dowel pin through actuating solenoid, the disengaging positioning groove of locating dowel pin can freely slide suspended rack assembly 5 with respect to vehicle body; Then, control motor 3 adds the growth process backward rotation with respect to wheelbase; Motor 3 rotating shafts drive screw mandrel 4 and rotate, and screw mandrel 4 driving sliding block 2 move with respect to vehicle body backward, arrive the desired position until trailing wheel, realize that wheelbase reduces.At this moment, wherein another positioning groove and alignment pin position are relative; Actuating solenoid makes electromagnet promote locating dowel pin, in the head embedding positioning groove of locating dowel pin, and keeps this state.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: guiding mechanism comprises the slide rail 1 that is direct rod shape and is set in the linear bearing on the slide rail 1; Linear bearing is fixed on the vehicle body; Slide rail 1 is fixed in the suspended rack assembly 5 on the connecting panel 51.Actuator is an oil cylinder; The cylinder body of oil cylinder is fixed on the vehicle body.Transmission device is that the free end of oil cylinder piston bar is captiveed joint with an end of slide rail 1.Piston rod realizes changing the spacing between front axle and the rear axle to driving slide rail 1 axial motion when handling oil cylinder.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used slide rail 1 morely; Slide block 2; Motor 3; Screw mandrel 4; Suspended rack assembly 5; Connecting panel 51; Adapter shaft 52; Connecting rod 6 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (10)
1. vehicle rear wheel apparatus for adjusting position; Vehicle comprises vehicle body and the suspended rack assembly that links to each other with trailing wheel (5); It is characterized in that; This control apparatus is positioned between suspended rack assembly (5) and the vehicle body, and it comprises the guiding mechanism that connects connecting panel (51) and vehicle body in the suspended rack assembly (5) and suspended rack assembly (5) is moved along the vehicle body longitudinal axis; Be fixed with actuator on the described vehicle body, be provided with between the connecting panel (51) in described actuator and the suspended rack assembly (5) and can the drive actions of actuator be converted into the transmission device that suspended rack assembly (5) moves along the vehicle body longitudinal axis.
2. vehicle rear wheel apparatus for adjusting position according to claim 1 is characterized in that, described guiding mechanism comprises the slide rail (1) that is direct rod shape and is set in the linear bearing on the slide rail (1); Described linear bearing is fixed on the vehicle body; Described slide rail (1) is fixed on the middle connecting panel (51) of suspended rack assembly (5).
3. vehicle rear wheel apparatus for adjusting position according to claim 2 is characterized in that, described actuator is an oil cylinder; The cylinder body of described oil cylinder is fixed on the vehicle body; Described transmission device is that the free end of oil cylinder piston bar is captiveed joint with an end of slide rail (1).
4. vehicle rear wheel apparatus for adjusting position according to claim 1 is characterized in that, described guiding mechanism comprises the slide rail (1) of vertical bar shape and be positioned at the bar shaped slide block (2) in the slide rail (1) that described slide rail (1) is fixed on the vehicle body; Described slide block (2) is fixed on the middle connecting panel (51) of suspended rack assembly (5).
5. vehicle rear wheel apparatus for adjusting position according to claim 4 is characterized in that, described actuator is motor (3); Described motor (3) housing is fixed on the vehicle body.
6. vehicle rear wheel apparatus for adjusting position according to claim 5 is characterized in that, described transmission device comprises a rhizoid bar (4), and described screw mandrel (4) is connected with slide block (2); One end of described screw mandrel (4) is captiveed joint with motor (3) rotating shaft.
7. according to any described vehicle rear wheel apparatus for adjusting position in the claim 1 to 6; It is characterized in that described control apparatus comprises that also be arranged on can be with the locking mechanism on connecting panel (51) location and the vehicle body when connecting panel (51) is positioned at respect to the vehicle body desired location in the suspended rack assembly (5) between the connecting panel (51) and vehicle body in the suspended rack assembly (5).
8. vehicle rear wheel apparatus for adjusting position according to claim 7 is characterized in that described locking mechanism comprises the electromagnet that is fixed on the vehicle body, is fixed with a locating dowel pin on the iron core of described electromagnet; At least have two positioning grooves on the connecting panel (51) in the described suspended rack assembly (5), described positioning groove is corresponding with locating dowel pin and the required position location of trailing wheel homogeneous one; Described locating dowel pin can embed in the positioning groove.
9. the vehicle with any vehicle rear wheel apparatus for adjusting position in above-mentioned 1～8 comprises vehicle body and two groups of suspended rack assemblies that connect one to one with two trailing wheels (5); It is characterized in that, be equipped with an above-mentioned vehicle rear wheel apparatus for adjusting position in described every group of suspended rack assembly (5) between connecting panel (51) and the vehicle body.
10. the vehicle with above-mentioned vehicle rear wheel apparatus for adjusting position according to claim 9 is characterized in that described suspended rack assembly (5) comprises an adapter shaft (52), and adapter shaft (52) is connected through a connecting rod (6) in two groups of described suspended rack assemblies (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110328782.8A CN102431409B (en) | 2011-10-26 | 2011-10-26 | Back wheel position adjusting device for vehicle and vehicle with adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110328782.8A CN102431409B (en) | 2011-10-26 | 2011-10-26 | Back wheel position adjusting device for vehicle and vehicle with adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102431409A true CN102431409A (en) | 2012-05-02 |
| CN102431409B CN102431409B (en) | 2014-01-08 |
Family
ID=45979874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110328782.8A Active CN102431409B (en) | 2011-10-26 | 2011-10-26 | Back wheel position adjusting device for vehicle and vehicle with adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102431409B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5459784A (en) * | 1977-10-21 | 1979-05-14 | Hitachi Metals Ltd | Adsorptive travelling device |
| CN2219813Y (en) * | 1995-03-25 | 1996-02-14 | 张方 | Automatic balance regulator |
| CN2478823Y (en) * | 2001-06-01 | 2002-02-27 | 单联明 | Vehicle capable of automatic rotating in 360 deg. range |
| US20050230201A1 (en) * | 2004-04-16 | 2005-10-20 | Takuhiro Kondou | Electromagnetic shock absorber for vehicle |
| CN201385651Y (en) * | 2009-02-24 | 2010-01-20 | 赖震钧 | Jack-up type vehicle-mounted jack |
-
2011
- 2011-10-26 CN CN201110328782.8A patent/CN102431409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5459784A (en) * | 1977-10-21 | 1979-05-14 | Hitachi Metals Ltd | Adsorptive travelling device |
| CN2219813Y (en) * | 1995-03-25 | 1996-02-14 | 张方 | Automatic balance regulator |
| CN2478823Y (en) * | 2001-06-01 | 2002-02-27 | 单联明 | Vehicle capable of automatic rotating in 360 deg. range |
| US20050230201A1 (en) * | 2004-04-16 | 2005-10-20 | Takuhiro Kondou | Electromagnetic shock absorber for vehicle |
| CN201385651Y (en) * | 2009-02-24 | 2010-01-20 | 赖震钧 | Jack-up type vehicle-mounted jack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102431409B (en) | 2014-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110182269B (en) | Crawler wheel walking device capable of realizing wheel-track conversion | |
| CN201501250U (en) | Wheel tread adjusting mechanism for automobile | |
| CN104773200B (en) | A kind of comprehensive steering of the electric automobile based on wheel hub motor | |
| CN109398476B (en) | Control mechanism combining four-wheel independent steering and differential speed of AGV | |
| US10119592B2 (en) | Vehicle drivetrain with active magnetic bearings | |
| CN107891918B (en) | Wheel-track combined mobile robot | |
| CN110104061B (en) | Hydraulic-steering-free hinging mechanism of electrically-driven hinged all-terrain crawler | |
| CN2866285Y (en) | Hydraulic centralizing cylinder of vehicle rear wheel steering mechanism | |
| CN110949497A (en) | Unmanned platform car that all-wheel 360 degrees turned to | |
| CN201432720Y (en) | Double-front-axle steering transmission mechanism of heavy truck | |
| CN110949498A (en) | Electric automobile and wheel hub structure of integrated steering and suspension | |
| CN101585490A (en) | Swing type suspension system of crane | |
| CN202337208U (en) | Four-wheel drive chassis used for low speed self-walking machinery | |
| CN104709293A (en) | Motor bogie for a rail vehicle in which the motor is substantially coaxial with the wheel axle | |
| CN102431409B (en) | Back wheel position adjusting device for vehicle and vehicle with adjusting device | |
| CN2780580Y (en) | Magnetic wheel engineering vehicle | |
| CN211223037U (en) | Energy-saving heavy-load speed-difference full-steering driving steering wheel | |
| CN202194884U (en) | Hydraulic cylinder | |
| CN204900532U (en) | Horizontal rotating shaft magnetic force uninstallation mechanism that loads perpendicularly | |
| CN212353598U (en) | Heavy-load omnidirectional driving wheel set with hanging function | |
| CN102328686A (en) | Multi-axle dispersed power steering system for load-carrying vehicle | |
| CN202152068U (en) | Dispersed power steering system for multi-axle load-carrying vehicle | |
| CN110626438A (en) | Crawler-type traffic motion tool | |
| Li et al. | Mechanism Design and Mechanical Analysis of Reconfigurable Wheel-track Wheel Based on Offset Guide Rod Mechanisms | |
| CN219506084U (en) | Mechanical front-rear steering switching system of automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |