CN112810383A - Automobile chassis with variable driving form and control method thereof - Google Patents
Automobile chassis with variable driving form and control method thereof Download PDFInfo
- Publication number
- CN112810383A CN112810383A CN202110199565.7A CN202110199565A CN112810383A CN 112810383 A CN112810383 A CN 112810383A CN 202110199565 A CN202110199565 A CN 202110199565A CN 112810383 A CN112810383 A CN 112810383A
- Authority
- CN
- China
- Prior art keywords
- axle
- lifting
- air
- rear axle
- air bag
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000009471 action Effects 0.000 claims description 5
- 210000003437 trachea Anatomy 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an automobile chassis with a variable driving form and a control method thereof, belonging to the field of vehicles, wherein the automobile chassis with the variable driving form comprises a rear axle lifting mechanism and a middle axle power breaking mechanism; through setting up well bridge power disconnect-type mechanism, can realize transmitting the output power of well bridge backward to the rear axle to and realize cutting off the output power of well bridge. The automobile chassis with the variable driving form and the control method thereof realize that a user can adopt the corresponding driving form according to the actual use working condition of the vehicle, effectively improve the power transmission efficiency of the vehicle, reduce the use cost and oil consumption and reduce the tire loss.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile chassis with a variable driving form and a control method thereof.
Background
At present, common cargo vehicles such as heavy commercial vehicles generally adopt a double drive axle, and the more the number of the drive axles is, the more complicated the mechanical structure is, and the lower the transmission efficiency is. When a single-way full-load transport vehicle is in a no-load return or light-load transport working condition, the bearing and driving capacity of a drive axle designed according to the maximum load capacity of the vehicle is greatly excessive, and the friction resistance of tires is large, the transmission efficiency of the whole vehicle is low, the oil consumption is high, and the tire loss is large due to the fact that the number of the involved drive axles is large.
Therefore, it is desirable to provide a variable driving type automobile chassis and a control method thereof to solve the above technical problems in the prior art.
Disclosure of Invention
The invention aims to provide an automobile chassis with variable driving forms, which can switch the corresponding driving forms according to the actual use condition of a vehicle, effectively improve the transmission efficiency of the vehicle, reduce the oil consumption and reduce the tire loss.
In order to realize the purpose, the invention adopts the following technical scheme:
a variable drive-type automobile chassis including a rear axle and a center axle, the variable drive-type automobile chassis further comprising:
a rear axle lifting mechanism disposed between the frame and the rear axle, the rear axle lifting mechanism being configured to drive the rear axle to lift or lower upward;
a mid-axle power cut-off mechanism configured to be able to transmit output power of the mid-axle backward to the rear axle, and configured to be able to cut off the output power.
As a preferred technical solution, the rear axle lift mechanism includes:
the mounting bracket is fixedly connected to the frame;
a lifting bracket connected with the rear axle;
and one end of the air bag component is connected with the mounting bracket, the other end of the air bag component is connected with the lifting bracket, and the air bag component is configured to drive the rear axle to be lifted upwards through the lifting bracket when being inflated.
As a preferred solution, the airbag module includes:
the lifting air bag is connected with the mounting bracket at one end and connected with the lifting bracket at the other end;
one end of the first air pipe is communicated with the lifting air bag, and the other end of the first air pipe is communicated with an external air source;
and the air inlet electromagnetic valve is arranged on the first air pipe.
As the preferred technical scheme, the middle axle power disconnecting mechanism comprises a driving assembly, a transmission assembly, a sliding meshing sleeve and a rear half-axle gear of an interaxle differential;
one end of the transmission assembly is connected with the output end of the driving assembly, and the other end of the transmission assembly is connected with the sliding meshing sleeve; the sliding sleeve is configured to have a force transmitting state of meshing with the rear half shaft gear of the inter-axle differential and a cut-off state of being separated from the rear half shaft gear of the inter-axle differential.
As a preferred solution, the driving assembly comprises:
the second air pipe is communicated with an inner cavity of the driving cylinder and used for introducing high-pressure gas into the inner cavity, the return elastic piece is abutted to a cylinder piston in the inner cavity and used for applying elastic force to the cylinder piston in a force transmission state.
As a preferred solution, the transmission assembly comprises:
one end of the transmission pin shaft is connected with the cylinder piston, and the other end of the transmission pin shaft is connected with the shifting fork; the shifting fork is connected with the sliding meshing sleeve.
As a preferred technical scheme, the transmission pin shaft is in interference connection with the cylinder piston, and the transmission pin shaft is in rigid connection with the shifting fork through an expansion pin.
As a preferred technical scheme, the shifting fork and the sliding meshing sleeve are clamped through a clamping groove.
The second purpose of the present invention is to provide a control method, so that a user can switch the corresponding driving modes according to the actual use condition of the vehicle, thereby effectively improving the transmission efficiency of the vehicle, reducing the oil consumption, and reducing the tire loss.
In order to realize the purpose, the invention adopts the following technical scheme:
a method for controlling a vehicle chassis with a variable drive type according to any one of the above aspects, comprising the steps of:
when the vehicle needs single-axle driving in no-load or light-load, a rear axle lifting switch in a cab is pressed, an air inlet electromagnetic valve is opened, air is supplied to a power disconnection operation cylinder and an inter-axle differential lock cylinder of a middle axle while air is supplied to a lifting air bag, at the moment, the output power of the middle axle is cut off, the inter-axle differential is locked, and the rear axle is lifted after the air inlet action of the lifting air bag is finished;
when the vehicle is fully loaded and a multi-axle driving mode is required, the rear axle lifting switch is lifted, the air inlet electromagnetic valve is closed, air in each air path is cut off, and the rear axle falls down and power transmission is recovered.
As a preferred technical scheme, an air inlet pipeline of the differential lock cylinder between the middle axle shafts adopts a two-way one-way valve to connect an air passage of a differential lock electromagnetic valve and an air passage of a lifting air bag in parallel.
Compared with the prior art, the invention has the beneficial effects that:
according to the automobile chassis with the variable driving form and the control method thereof, the rear axle lifting mechanism is arranged between the frame and the rear axle, so that the rear axle can be lifted upwards or descended, and the driving form is switched; through setting up well bridge power disconnect-type mechanism, can realize transmitting the output power of well bridge backward to the rear axle to and realize cutting off the output power of well bridge. The automobile chassis with the variable driving form and the control method thereof realize that a user can adopt the corresponding driving form according to the actual use working condition of the vehicle, effectively improve the power transmission efficiency of the vehicle, reduce the use cost and oil consumption and reduce the tire loss.
Drawings
FIG. 1 is a front view of a rear axle lift mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 is a side view of a rear axle lift mechanism provided in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a mid-axle power disconnect mechanism provided in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged partial view at A of FIG. 3;
FIG. 5 is a schematic illustration of a vehicle chassis having a variable drive configuration provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of the rear axle in an un-lifted state in an 8 × 4 drive mode according to an embodiment of the present invention;
fig. 7 is a schematic diagram of the rear axle in a lifted state in the 6 × 2 driving mode according to the embodiment of the present invention.
In the figure:
1. mounting a bracket; 2. lifting the support; 3. lifting the air bag; 4. a first air pipe; 5. a second air pipe; 6. a cylinder piston; 7. a return elastic member; 8. a transmission pin shaft; 9. a shifting fork; 10. sliding the meshing sleeve; 11. a rear half-shaft gear of the inter-shaft differential; 12. an expansion pin; 13. an air inlet solenoid valve; 14. a power disconnect operating cylinder; 15. a cylinder of the differential lock between the middle axle shafts; 16. a differential lock solenoid valve; 17. a two-way check valve;
100. a middle bridge; 101. a mid-axle power disconnect mechanism; 200. a rear axle; 201. a rear axle lift mechanism; 300. a vehicle frame.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment discloses an automobile chassis with variable driving forms, which is suitable for the working conditions of full-load, no-load or light-load transportation, and can be switched between two driving forms of 8 multiplied by 4 and 6 multiplied by 2, when the whole automobile is fully loaded, the automobile needs enough driving force, at the moment, an 8 multiplied by 4 driving mode is adopted, when the whole automobile is no-load or light-load, the automobile only needs a single rear axle to drive and can provide enough driving force, at the moment, the automobile can disconnect and lift the rear axle drive, and the rear axle drive is converted into the 6 multiplied by 2 driving mode. The user can adopt corresponding drive form according to the in-service use operating mode of vehicle, effectively promotes the power transmission efficiency of vehicle, reduces use cost oil consumption, reduces the tire loss.
As shown in fig. 1 to 7, the variable drive type vehicle chassis includes a rear axle 200, a middle axle 100, a rear axle lift mechanism 201, and a middle axle power cut-off mechanism 101. Wherein, the rear axle lifting mechanism 201 is disposed between the vehicle frame 300 and the rear axle 200, the rear axle lifting mechanism 201 is configured to be able to drive the rear axle 200 to lift or lower upward, and the middle axle power disconnecting mechanism 101 is configured to be able to transmit the output power of the middle axle 100 to the rear axle 200 rearward and is also configured to be able to cut off the output power. When the vehicle is in a no-load or light-load state, the power output between the middle axle 100 and the rear axle 200 is cut off, the rear axle 200 is lifted after the power output is cut off, and the driving mode is switched to a 6 x 2 driving mode; when the vehicle is fully loaded, the output power of the middle axle 100 is recovered, and the rear axle 200 is lowered to switch to the 8 × 4 drive mode.
Specifically, as shown in fig. 1 and 2. Rear axle hoist mechanism 201 includes installing support 1, promote support 2 and air bag module, installing support 1 links firmly in frame 300, it is connected with rear axle 200 to promote support 2 for drive rear axle 200 promotes or descends, air bag module's one end is connected with installing support 1, the other end is connected with promotion support 2, air bag module is configured to can drive rear axle 200 through promoting support 2 and upwards promotes when aerifing, drive rear axle 200 through promoting support 2 and descend when not aerifing. Alternatively, the mounting bracket 1 is rigidly connected to the frame 300 in the form of a rivet.
Further, the air bag assembly comprises a lifting air bag 3, a first air pipe 4 and an air inlet electromagnetic valve 13, wherein one end of the lifting air bag 3 is connected with the mounting bracket 1, and the other end of the lifting air bag is connected with the lifting bracket 2. One end of the first air pipe 4 is communicated with the lifting air bag 3, the other end of the first air pipe is communicated with an external air source, and the first air pipe 4 is used for introducing air into the lifting air bag 3. The air inlet electromagnetic valve 13 is arranged on the first air pipe 4 and used for controlling the on-off of air. Optionally, the bottom end of the lifting airbag 3 is fixedly connected with the mounting bracket 1 by means of bolts, and the top end of the lifting airbag 3 is fixedly connected with the lifting bracket 2. Under the structure, the lifting air bag 3 is inflated through the first air pipe 4, the height of the lifting air bag 3 is increased under the action of air pressure, and the mounting bracket 1 is rigidly connected with the frame 300, so that the lifting bracket 2 drives the rear axle 200 to be lifted upwards under the action of reaction force, and the driving mode is changed from 8 multiplied by 4 to 6 multiplied by 2; when the driving mode needs to be switched from 6 × 2 to 8 × 4, the working principle of the rear axle lifting mechanism 201 is opposite to the above-described lifting process.
Alternatively, as shown in fig. 3 and 4, the middle axle power cut-off mechanism 101 includes a drive assembly, a transmission assembly, a sliding sleeve 10, and an inter-axle differential rear half-shaft gear 11. Wherein, one end of the transmission component is connected with the output end of the driving component, and the other end is connected with the sliding meshing sleeve 10; the sliding sleeve 10 is configured to have a force transmitting state of meshing with the rear half shaft gear 11 of the inter-axle differential and a cut-off state of being separated from the rear half shaft gear 11 of the inter-axle differential.
Preferably, the driving assembly comprises a second air pipe 5, a driving air cylinder and a return elastic part 7, the second air pipe 5 is communicated with an inner cavity of the driving air cylinder and used for introducing high-pressure air into the inner cavity, an air cylinder piston 6 is arranged in the inner cavity of the driving air cylinder in a sliding mode, the return elastic part 7 abuts against the air cylinder piston 6, and the return elastic part 7 is used for applying elastic force to the air cylinder piston 6 in a force transmission state. Optionally, the return elastic member 7 is a return spring.
Preferably, the transmission assembly comprises a transmission pin 8 and a shifting fork 9, one end of the transmission pin 8 is connected with the cylinder piston 6, the other end of the transmission pin is connected with the shifting fork 9, and the shifting fork 9 is connected with the sliding meshing sleeve 10. Optionally, the transmission pin 8 is in interference connection with the cylinder piston 6, and the transmission pin 8 is rigidly connected with the shifting fork 9 through an expansion pin 12. Further alternatively, the shifting fork 9 and the sliding engaging sleeve 10 are clamped by a clamping groove arranged on the side wall of the sliding engaging sleeve 10.
In the present embodiment, the intermediate axle 100 is a through-axle segmented structure, and in a normal state, that is, when the output power of the intermediate axle 100 needs to be transmitted to the rear axle 200 backward, as shown in fig. 4, the second air tube 5 is not filled with high-pressure air, and the elastic force of the return elastic member 7 acts on the cylinder piston 6, so as to drive the transmission pin 8 and the shift fork 9 to move leftward, and the shift fork 9 drives the sliding meshing sleeve 10 to mesh with the rear half-axle gear 11 of the inter-axle differential through the inner and outer splines, that is, to be in a force transmission state, and at this time, the intermediate axle 100 and the rear half-axle gear 11 of the inter-axle.
When the output power of the middle axle 100 to the rear axle 200 needs to be cut off, high-pressure gas is introduced into the second gas pipe 5, the high-pressure gas acts on the cylinder piston 6 to generate axial thrust, the elastic piece 7 is squeezed to return to move rightwards, the transmission pin shaft 8 and the shifting fork 9 also move rightwards under the pushing of the cylinder piston 6, the shifting fork 9 drives the sliding meshing sleeve 10 connected with the shifting fork to move rightwards, so that the sliding meshing sleeve 10 is disengaged from the rear half shaft gear 11 of the inter-axle differential, namely, the rear half shaft gear 11 is in a cut-off state, the middle axle 100 and the rear half shaft gear 11 of the inter-axle differential are also in a separated state, the output power of the middle axle 100 cannot be transmitted to the rear.
The embodiment also provides a vehicle comprising the automobile chassis with the variable driving form. The vehicle can be a dangerous chemical transport vehicle, a concrete mixer, a milk tank truck, a dust discharging truck and other vehicles.
Taking a certain 8 x 4 oil tank truck adopting the automobile chassis with variable driving form in the embodiment as an example, the comprehensive fuel consumption of hundreds kilometers under the no-load working condition of single-axle driving is about 5 percent lower than that of double-axle driving through theoretical calculation.
Example two
The embodiment provides the control method for the automobile chassis with the variable driving form in the embodiment, and a user can switch the corresponding driving form according to the actual use condition of the vehicle, so that the transmission efficiency of the vehicle is effectively improved, the oil consumption is reduced, and the tire loss is reduced.
Specifically, as shown in fig. 5, the chassis of the vehicle further includes a power-off operation cylinder 14, a middle axle inter-axle differential lock cylinder 15 and a differential lock solenoid valve 16, and each component is a common structure in the prior art, so details of the specific structure and the working principle of each component are not described again in this embodiment.
The control method of the automobile chassis provided by the embodiment mainly comprises the following steps:
when the vehicle needs single axle driving when no load or light load, a rear axle lifting switch in a cab is pressed, an air inlet electromagnetic valve 13 is opened, air is supplied to a power cut-off operation cylinder 14 and an inter-axle differential lock cylinder 15 while air is supplied to a lifting air bag 3, at the moment, the output power of the middle axle 100 is cut off, an inter-axle differential of the middle axle 100 is locked, so that the output shaft of the middle axle 100 is prevented from idling, the middle axle 100 is unpowered, and the rear axle 200 is lifted after the air inlet action of the lifting air bag 3 is completed, so that the conversion from an 8 x 4 driving mode to a 6 x 2 driving mode is completed, and reference is made to fig. 6.
When the 8 × 4 driving mode is required to be used when the vehicle is fully loaded, the rear axle lift switch is lifted, the air intake solenoid valve 13 is closed, the air path of each related component is cut off, the rear axle 200 falls and power transmission is resumed, and the conversion from the 6 × 2 driving mode to the 8 × 4 driving mode is completed, referring to fig. 7.
The control method adopts an electric control pneumatic mode, the lifting air bag 3, the middle axle inter-axle differential lock cylinder 15 and the power disconnection control cylinder 14 adopt a set of air channels, the power input disconnection and lifting functions of the rear axle 200 are realized through a rear axle lifting switch in the cab, the structure is simple, and the control is easy to realize.
Preferably, in order to realize the function of the inter-axle differential lock of the intermediate axle 100 under the 8 × 4 driving mode, the air inlet pipeline of the inter-axle differential lock cylinder 15 of the intermediate axle adopts the two-way check valve 17 to connect the air channel of the differential lock electromagnetic valve 16 in parallel with the air channel of the lifting air bag 3, so that when the differential lock switch in the cab is opened, the inter-axle differential lock of the intermediate axle 100 can work alone without air blowby to other parts.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A variable drive form automobile chassis comprising a mid axle (100) and a rear axle (200), characterized in that the variable drive form automobile chassis further comprises:
a rear axle lifting mechanism (201) arranged between the vehicle frame (300) and the rear axle (200), wherein the rear axle lifting mechanism (201) is configured to drive the rear axle (200) to lift or descend upwards;
a mid-axle power disconnect mechanism (101), the mid-axle power disconnect mechanism (101) being configured to be able to transmit the output power of the mid-axle (100) backward to the rear axle (200), and being configured to be able to cut off the output power.
2. The variable drive form automotive chassis of claim 1, characterized in that the rear axle lifting mechanism (201) comprises:
the mounting bracket (1) is fixedly connected to the frame (300);
a lifting bracket (2) connected with the rear axle (200);
and one end of the air bag component is connected with the mounting bracket (1), the other end of the air bag component is connected with the lifting bracket (2), and the air bag component is configured to drive the rear axle (200) to be lifted upwards through the lifting bracket (2) when being inflated.
3. The variable drive form automotive chassis of claim 2, wherein the airbag module comprises:
the lifting air bag (3), one end of the lifting air bag (3) is connected with the mounting bracket (1), and the other end of the lifting air bag is connected with the lifting bracket (2);
one end of the first air pipe (4) is communicated with the lifting air bag (3), and the other end of the first air pipe (4) is communicated with an external air source;
and the air inlet electromagnetic valve (13) is arranged on the first air pipe (4).
4. The variable drive form automotive chassis of claim 1, characterized in that the intermediate axle power disconnect mechanism (101) comprises a drive assembly, a transmission assembly, a sliding sleeve (10) and an inter-axle differential rear half-axle gear (11);
one end of the transmission assembly is connected with the output end of the driving assembly, and the other end of the transmission assembly is connected with the sliding meshing sleeve (10); the sliding sleeve (10) is configured to have a force transmitting state of meshing with the rear half shaft gear (11) of the inter-axle differential and a cut-off state of being separated from the rear half shaft gear (11) of the inter-axle differential.
5. The variable drive form automotive chassis of claim 4, wherein the drive assembly comprises:
second trachea (5), drive actuating cylinder and return elastic component (7), second trachea (5) with drive actuating cylinder's inner chamber intercommunication, be used for to the inner chamber lets in high-pressure gas, return elastic component (7) butt in cylinder piston (6) in the inner chamber, return elastic component (7) are used for when biography power state right cylinder piston (6) exert elastic force.
6. The variable drive form automotive chassis of claim 5, wherein the transmission assembly comprises:
one end of the transmission pin shaft (8) is connected with the cylinder piston (6), and the other end of the transmission pin shaft (8) is connected with the shifting fork (9); the shifting fork (9) is connected with the sliding meshing sleeve (10).
7. The variable drive form automobile chassis according to claim 6,
the transmission pin shaft (8) is in interference connection with the cylinder piston (6), and the transmission pin shaft (8) is in rigid connection with the shifting fork (9) through an expansion pin (12).
8. The variable drive form automobile chassis according to claim 1,
the shifting fork (9) is clamped with the sliding meshing sleeve (10) through a clamping groove.
9. A control method of a vehicle chassis whose driving style is variable according to any one of claims 1 to 8, comprising the steps of:
when the vehicle needs single-axle driving in no-load or light-load, a rear axle lifting switch in a cab is pressed, an air inlet electromagnetic valve (13) is opened, air is supplied to a power disconnection operation cylinder (14) and an inter-axle differential lock cylinder (15) of a middle axle while a lifting air bag (3) is filled with air, at the moment, the output power of the middle axle (100) is cut off, an inter-axle differential is locked, and the rear axle (200) is lifted after the air inlet action of the lifting air bag (3) is completed;
when the vehicle is fully loaded and a multi-axle driving mode is required, the rear axle lifting switch is lifted, the air inlet electromagnetic valve (13) is closed, air in each air path is cut off, and the rear axle (200) falls down and power transmission is recovered.
10. The control method of the automobile chassis with the variable driving form according to claim 9, characterized in that an air inlet pipeline of the inter-axle differential lock cylinder (15) adopts a two-way check valve (17) to connect an air passage of a differential lock electromagnetic valve (16) in parallel with an air passage of the lifting air bag (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199565.7A CN112810383A (en) | 2021-02-22 | 2021-02-22 | Automobile chassis with variable driving form and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199565.7A CN112810383A (en) | 2021-02-22 | 2021-02-22 | Automobile chassis with variable driving form and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112810383A true CN112810383A (en) | 2021-05-18 |
Family
ID=75864858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110199565.7A Pending CN112810383A (en) | 2021-02-22 | 2021-02-22 | Automobile chassis with variable driving form and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112810383A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023885A1 (en) * | 2003-07-30 | 2005-02-03 | Bennett John L. | Axle assembly with transverse mounted electric motors |
| CN201587326U (en) * | 2009-12-30 | 2010-09-22 | 雍御企业股份有限公司 | Mechanism for switching and locking two-wheel drive and four-wheel drive of all terrain vehicle |
| CN206703845U (en) * | 2017-04-24 | 2017-12-05 | 大运汽车股份有限公司 | One kind can lift the special loading chassis of back axle |
| CN109017291A (en) * | 2018-07-27 | 2018-12-18 | 汽解放汽车有限公司 | A kind of penetrating bridge main speed reducer assembly |
| CN208845665U (en) * | 2018-07-27 | 2019-05-10 | 一汽解放汽车有限公司 | Drive the convertible penetrating bridge main speed reducer assembly of pattern |
| US20200156459A1 (en) * | 2018-11-16 | 2020-05-21 | Northern Valley Machine Inc. | Mobile omnidirectional device |
| CN210821669U (en) * | 2019-07-01 | 2020-06-23 | 一汽解放汽车有限公司 | Axle with double rear drive axles capable of changing rear axle transmission into single rear drive |
-
2021
- 2021-02-22 CN CN202110199565.7A patent/CN112810383A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023885A1 (en) * | 2003-07-30 | 2005-02-03 | Bennett John L. | Axle assembly with transverse mounted electric motors |
| CN201587326U (en) * | 2009-12-30 | 2010-09-22 | 雍御企业股份有限公司 | Mechanism for switching and locking two-wheel drive and four-wheel drive of all terrain vehicle |
| CN206703845U (en) * | 2017-04-24 | 2017-12-05 | 大运汽车股份有限公司 | One kind can lift the special loading chassis of back axle |
| CN109017291A (en) * | 2018-07-27 | 2018-12-18 | 汽解放汽车有限公司 | A kind of penetrating bridge main speed reducer assembly |
| CN208845665U (en) * | 2018-07-27 | 2019-05-10 | 一汽解放汽车有限公司 | Drive the convertible penetrating bridge main speed reducer assembly of pattern |
| US20200156459A1 (en) * | 2018-11-16 | 2020-05-21 | Northern Valley Machine Inc. | Mobile omnidirectional device |
| CN210821669U (en) * | 2019-07-01 | 2020-06-23 | 一汽解放汽车有限公司 | Axle with double rear drive axles capable of changing rear axle transmission into single rear drive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210821669U (en) | Axle with double rear drive axles capable of changing rear axle transmission into single rear drive | |
| CN106891717B (en) | Duplex drive axle capable of realizing lifting and driving of rear axle | |
| CN110748622A (en) | Middle axle main reducer assembly with rear bevel gear clutch mechanism | |
| CN208842224U (en) | A kind of penetrating bridge main speed reducer assembly | |
| CN112392933A (en) | Through shaft assembly capable of being separated by power | |
| CN206528339U (en) | It is a kind of to realize the double drive axle of back axle lifting and driving | |
| CN112810383A (en) | Automobile chassis with variable driving form and control method thereof | |
| CN101004203A (en) | Gearbox of heavy-duty car in sixteen steps | |
| CN211166251U (en) | Automobile duplex drive axle capable of realizing lifting of intermediate axle | |
| CN113853321B (en) | Disconnect system for a vehicle having a first axle and a second axle | |
| CN210971268U (en) | Cargo vehicle assembly | |
| CN201095316Y (en) | Explosion-proof trackless rubber-tyre vehicle | |
| CN113518872B (en) | Turnover speed reducer for hub and vehicle | |
| CN210715640U (en) | Double-shaft power takeoff | |
| CN2739424Y (en) | Heavy-duty truck speed transmission | |
| CN216643008U (en) | Drive axle main reducer and engineering vehicle | |
| CN201357759Y (en) | Integral rear power take-off for transmission case of heavy duty car | |
| CN218197757U (en) | Can realize well bridge construction that double-bridge rear axle promoted | |
| CN217730559U (en) | 4 x 4 heavy truck chassis suitable for cross-country motor home | |
| CN215763073U (en) | L-shaped transfer case | |
| CN116811480A (en) | Driving axle assembly | |
| CN220198973U (en) | Electric drive bridge system, power system and vehicle | |
| CN2656194Y (en) | Single cylinder machine tricycle agricultural car composite driving mechanism | |
| CN214240566U (en) | Novel high-pressure cleaning soil pick-up car chassis structure | |
| CN220826471U (en) | Clutch driving device for light truck driving axle |
Legal Events
| 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 |
Application publication date: 20210518 |
|
| RJ01 | Rejection of invention patent application after publication |