CN113511272B - Suspension structure of cab - Google Patents
Suspension structure of cab Download PDFInfo
- Publication number
- CN113511272B CN113511272B CN202110828019.5A CN202110828019A CN113511272B CN 113511272 B CN113511272 B CN 113511272B CN 202110828019 A CN202110828019 A CN 202110828019A CN 113511272 B CN113511272 B CN 113511272B
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- cab
- hydraulic
- oil
- frame
- cab body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
- B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
- B62D33/071—Locking devices for cabins in driving position; Shock and vibration absorbing devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/17—Understructures, i.e. chassis frame on which a vehicle body may be mounted forming fluid or electrical conduit means or having other means to accommodate the transmission of a force or signal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/073—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other characterised by special adaptations of vehicle control devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides a suspension structure of a cab, and relates to the field of cab overturning. The suspension structure of the cab comprises a frame, a cab body structure and a hydraulic turnover mechanism, wherein the cab body structure is hinged to the upper side of the frame, the hydraulic turnover mechanism comprises a manual oil pump, a hydraulic oil cylinder and a hydraulic lock, one end of the hydraulic oil cylinder is hinged to the frame, the other end of the hydraulic oil cylinder is hinged to the cab body structure, and a first oil way is connected between the oil pump and the hydraulic oil cylinder so that the hydraulic oil cylinder drives the cab body structure to turn; the hydraulic lock is fixed on the cab body structure, the frame is provided with a lock catch, the lock catch is matched with the hydraulic lock when the cab body structure is horizontally arranged, a second oil way is connected between the oil pump and the hydraulic lock, and the second oil way is arranged along the contour of the cab body structure in an extending mode. The second oil way and the cab body structure are designed along with the type, and various vehicle types can adopt the form to arrange the oil way of the hydraulic lock on the cab, so that the oil way of the hydraulic lock is not required to be specially designed, and the universality is better.
Description
Technical Field
The invention relates to the technical field of cab turning, in particular to a suspension structure of a cab.
Background
In a cargo vehicle, particularly a large flat-head truck, a cab is usually designed to be turned over (or suspended), and a hydraulic mechanism is used for driving the cab to be turned over forwards so as to facilitate maintenance of power devices such as an engine.
The intelligent cab turnover system comprises an electric pump, a manual pump, a hydraulic oil cylinder, an oil tank, a hydraulic lock and a limiting device, wherein an oil inlet of the electric pump is connected with the oil tank, an oil outlet of the electric pump is connected with the manual pump, the oil outlet of the manual pump is respectively connected to a rodless cavity and the hydraulic lock of the hydraulic oil cylinder, a rod cavity of the hydraulic oil cylinder is connected with an oil return pipe, and the oil return pipe is connected to the oil tank; the manual pump, the electric pump, the hydraulic lock and the oil tank are arranged on the frame, a rod cavity of the hydraulic oil cylinder is hinged with the cab, a rodless cavity of the hydraulic oil cylinder is hinged with the frame, the manual pump and the electric pump drive the hydraulic oil to extend an expansion rod of the hydraulic oil cylinder to drive the cab to overturn, and after the limit bump touches the stop block, the cab stops overturning.
The manual pump, the electric pump, the hydraulic lock and the oil tank in the prior art are arranged on the frame, and oil pipes for connecting all the parts are also arranged along with the extension of the frame. However, different vehicle models have different frame styles, so that oil pipes of the hydraulic locks are completely different in arrangement paths, the arrangement of oil pipelines of the hydraulic locks needs to be redesigned according to the vehicle models, and the problem of poor universality exists.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a suspension structure of a cab, so as to solve the problem that the layout paths of oil pipes of hydraulic locks are completely different due to different frame styles of different vehicle types, and the layout of oil pipes of hydraulic locks needs to be redesigned according to the vehicle type, which results in poor versatility.
The suspension structure of the cab has the technical scheme that:
the suspension structure of the cab comprises a frame, a cab body structure and a hydraulic turnover mechanism, wherein the cab body structure is hinged and mounted on the upper side of the frame, and the hydraulic turnover mechanism is arranged between the frame and the cab body structure;
the hydraulic turnover mechanism comprises a manual oil pump, a hydraulic oil cylinder and a hydraulic lock, wherein one end of the hydraulic oil cylinder is hinged with the frame, the other end of the hydraulic oil cylinder is hinged with the cab body structure, the manual oil pump is integrated with an oil storage tank structure, and a first oil way is connected between the manual oil pump and the hydraulic oil cylinder so that the hydraulic oil cylinder drives the cab body structure to turn over;
the hydraulic lock is fixed on the cab body structure, the frame is further provided with a lock catch, the lock catch is used for being matched with the hydraulic lock in a locking mode when the cab body structure is horizontally arranged, a second oil path is connected between the manual oil pump and the hydraulic lock, and the second oil path is arranged along the contour of the cab body structure in an extending mode.
Further, the cab body structure comprises a cab body longitudinal beam, the second oil path extends along the length direction of the cab body longitudinal beam, and the second oil path is fixedly arranged on the cab body longitudinal beam.
Furthermore, the number of the cab body longitudinal beams is two, the two cab body longitudinal beams are arranged in parallel at intervals, and the second oil path is fixedly arranged on the outer side of one of the cab body longitudinal beams.
Furthermore, the hydraulic locks are arranged at the end parts, far away from the hinged position, of the two cab body longitudinal beams, the cab body structure further comprises a cross rod connected between the two cab body longitudinal beams, a third oil path is connected between the two hydraulic locks, and the third oil path extends along the length direction of the cross rod.
Furthermore, the hydraulic oil cylinder is arranged at a position close to a hinged position of a cab body longitudinal beam, the manual oil pump is fixedly installed on the frame, the first oil path is fixedly installed on the frame, and a bent oil path is further connected between the first oil path and the second oil path.
Furthermore, the cab body longitudinal beam comprises a front horizontal section, a rear horizontal section and a transition section, the front horizontal section is arranged on the lower side of the front portion of the rear horizontal section, the transition section is fixedly connected between the front horizontal section and the rear horizontal section, the end portion of the front horizontal section is hinged to the frame, and the hydraulic lock is arranged at the end portion of the rear horizontal section.
Furthermore, a front support structure and a rear support structure are arranged on the frame, the front support structure is hinged with the cab body structure, and the lock catch is arranged on the rear support structure.
Furthermore, the frame comprises two frame longitudinal beams which are arranged in parallel at intervals, the number of the rear support structures is two, the two rear support structures are correspondingly arranged on the frame longitudinal beams respectively, and the rear support structures are opposite to the hydraulic locks up and down.
Furthermore, the front support structure and the rear support structure are both airbag support structures.
Furthermore, hydraulic pressure tilting mechanism still includes the electric pump, the electric pump with be connected with the oil feed line between the manual oil pump, the electric pump fixed mounting be close to the position of manual oil pump on the frame.
Has the advantages that: the suspension structure of the cab adopts the design forms of a frame, a cab body structure and a hydraulic turnover mechanism, the cab body structure is hinged to the upper side of the frame, one end of a hydraulic oil cylinder of the hydraulic turnover mechanism is hinged to the frame, the other end of the hydraulic oil cylinder is hinged to the cab body structure, a manual oil pump supplies oil to the hydraulic oil cylinder through a first oil path, and the cab body structure is driven to overturn by using the hydraulic oil cylinder, so that the cab is overturned forwards to open the upper space of an engine; the hydraulic lock is fixed on the cab body structure, the frame is provided with the lock catch, and when the cab body structure is horizontally arranged, the hydraulic lock is matched with the lock catch in a locking manner, so that the effect of locking the cab body structure is achieved. The second oil way connected with the hydraulic lock extends along the contour of the cab body structure, namely the second oil way and the cab body structure are designed along with the type, various vehicle types can adopt the form to arrange the oil way of the hydraulic lock on the cab, even if the vehicle frames of different vehicle types are different in style, the oil way of the hydraulic lock does not need to be specially designed, and the universality is better.
Drawings
Fig. 1 is a perspective view of a suspension structure of a cab in a specific embodiment of the suspension structure of the cab of the present invention;
FIG. 2 is a perspective view of the cab body structure and hydraulic cab tilting mechanism of FIG. 1;
fig. 3 is a perspective view of the vehicle frame of fig. 1.
In the figure: the hydraulic steering system comprises a frame 1, a frame 10, a frame longitudinal beam 11, a front support structure 12, a rear support structure 13, a lock catch 2, a cab body structure 20, a cab body longitudinal beam 201, a front horizontal section 202, a rear horizontal section 203, a transition section 21, a cross bar 3, a hydraulic turnover mechanism 30, a manual oil pump 31, a hydraulic oil cylinder 32, a hydraulic lock 33, an electric pump 41, a first oil way 42, a second oil way 43, a third oil way and a bent oil way 44.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the embodiment 1 of the suspension structure of the cab of the present invention, as shown in fig. 1 to 3, the suspension structure of the cab includes a frame 1, a cab body structure 2, and a hydraulic tilting mechanism 3, the cab body structure 2 is hinged to the upper side of the frame 1, and the hydraulic tilting mechanism 3 is disposed between the frame 1 and the cab body structure 2; the hydraulic turnover mechanism 3 comprises a manual oil pump 30, a hydraulic oil cylinder 31 and a hydraulic lock 32, wherein one end of the hydraulic oil cylinder 31 is hinged with the frame 1, the other end of the hydraulic oil cylinder 31 is hinged with the cab body structure 2, the manual oil pump 30 is integrated with an oil storage tank structure, and a first oil way 41 is connected between the manual oil pump 30 and the hydraulic oil cylinder 31 so that the hydraulic oil cylinder 31 drives the cab body structure 2 to turn; the hydraulic lock 32 is fixed on the cab body structure 2, the frame 1 is further provided with a lock catch 13, the lock catch 13 is used for being matched with the hydraulic lock 32 in a locking mode when the cab body structure 2 is horizontally arranged, a second oil path 42 is connected between the manual oil pump 30 and the hydraulic lock 32, and the second oil path 42 extends along the outline of the cab body structure 2.
The suspension structure of the cab adopts the design forms of a frame 1, a cab body structure 2 and a hydraulic turnover mechanism 3, the cab body structure 2 is hinged to the upper side of the frame 1, one end of a hydraulic oil cylinder 31 of the hydraulic turnover mechanism 3 is hinged to the frame 1, the other end of the hydraulic oil cylinder 31 is hinged to the cab body structure 2, a manual oil pump 30 supplies oil to the hydraulic oil cylinder 31 through a first oil path 41, the hydraulic oil cylinder 31 is utilized to drive the cab body structure 2 to turn over, and therefore the cab is turned over forwards to open the upper space of an engine; the hydraulic lock 32 is fixed on the cab body structure 2, the frame 1 is provided with the lock catch 13, and when the cab body structure 2 is horizontally arranged, the hydraulic lock 32 is in locking fit with the lock catch 13, so that the effect of locking the cab body structure 2 is achieved. The second oil path 42 connected with the hydraulic lock 32 extends along the contour of the cab body structure 2, namely the second oil path 42 and the cab body structure 2 are designed along with the type, various vehicle types can adopt the form to arrange the oil path of the hydraulic lock 32 on the cab, even if the vehicle frame types of different vehicle types are different, the oil path of the hydraulic lock 32 does not need to be specially designed, and the universality is better.
In the present embodiment, the cab-body structure 2 includes the cab-body side member 20, the second oil passage 42 is arranged to extend in the longitudinal direction of the cab-body side member 20, and the second oil passage 42 is fixedly provided to the cab-body side member 20. The number of the cab body longitudinal beams 20 is two, the two cab body longitudinal beams 20 are arranged in parallel at intervals, and the second oil path 42 is fixedly arranged on the outer side of one of the cab body longitudinal beams 20. The second oil path 42 is used as an oil supply pipeline of the hydraulic lock 32 and is fixedly arranged along the extending direction of one cab body longitudinal beam 20, so that the redesign of the oil path due to the fact that frame structures of different vehicle types are different is avoided.
Specifically, the ends of the two cab body longitudinal beams 20 far away from the hinged position are both provided with hydraulic locks 32, the cab body structure 2 further comprises a cross rod 21 connected between the two cab body longitudinal beams 20, a third oil path 43 is further connected between the two hydraulic locks 32, and the third oil path 43 extends along the length direction of the cross rod 21. The two hydraulic locks 32 are communicated through the third oil path 43, the two hydraulic locks 32 can be synchronously controlled to be locked and unlocked, and the third oil path 43 is arranged on the cab body structure 2, so that the hydraulic lock can be widely applied to cabs of different vehicle types without being influenced by a frame structure.
The hydraulic oil cylinder 31 is arranged at a position close to the hinged position of the cab body side rail 20, the manual oil pump 30 is fixedly arranged on the frame 1, the first oil path 41 is fixedly arranged on the frame 1, and a bent oil path 44 is connected between the first oil path 41 and the second oil path 42. Due to the fact that the hydraulic oil cylinder 31 is designed to be close to the hinged position, the path from the manual oil pump 30 to the hydraulic oil cylinder 31 is shorter, the arrangement length of the first oil path 41 is effectively shortened, and the setting difficulty of the first oil path 41 in different frame structures is reduced.
Specifically, the cab body longitudinal beam 20 comprises a front horizontal section 201, a rear horizontal section 202 and a transition section 203, wherein the front horizontal section 201 is arranged on the lower side of the front portion of the rear horizontal section 202, the transition section 203 is fixedly connected between the front horizontal section 201 and the rear horizontal section 202, the end portion of the front horizontal section 201 is hinged to the frame 1, and the hydraulic lock 32 is arranged on the end portion of the rear horizontal section 202. The front horizontal section 201 of the cab body longitudinal beam 20 is located at the lower side of the front part of the rear horizontal section 202, namely the rear part of the cab body longitudinal beam 20 adopts a lifting design, so that the space height between the cab body structure 2 and the frame 1 is increased under the condition of not lifting the whole height of the cab, and an engine, a support structure and the like can be better accommodated and arranged.
A front support structure 11 and a rear support structure 12 are arranged on the frame 1, the front support structure 11 is hinged with the cab body structure 2, and a lock catch 13 is arranged on the rear support structure 12. Front supporting structure 11 and back supporting structure 12 are the gasbag supporting structure, play buffering cushioning effect through the gasbag supporting structure, have guaranteed the travelling comfort of in-process driver's cabin. The hydraulic turnover mechanism 3 further comprises an electric pump 33, an oil supply pipeline is connected between the electric pump 33 and the manual oil pump 30, and the electric pump 33 is fixedly installed on the frame 1 at a position close to the manual oil pump 30.
In addition, the frame 1 comprises two frame longitudinal beams 10 which are arranged in parallel at intervals, the number of the rear support structures 12 is two, the two rear support structures 12 are correspondingly arranged on the frame longitudinal beams 10 respectively, and the rear support structures 12 are opposite to the hydraulic lock 32 up and down, so that when the cab body structure 2 is horizontally arranged, the hydraulic lock 32 can be accurately matched with the lock catch 13 on the rear support structure 12, and the cab body structure 2 is guaranteed to be accurately locked.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A suspension structure of a cab is characterized by comprising a frame, a cab body structure and a hydraulic turnover mechanism, wherein the cab body structure is hinged to the upper side of the frame, and the hydraulic turnover mechanism is arranged between the frame and the cab body structure;
the hydraulic turnover mechanism comprises a manual oil pump, a hydraulic oil cylinder and a hydraulic lock, wherein one end of the hydraulic oil cylinder is hinged with the frame, the other end of the hydraulic oil cylinder is hinged with the cab body structure, the manual oil pump is integrated with an oil storage tank structure, and a first oil way is connected between the manual oil pump and the hydraulic oil cylinder so that the hydraulic oil cylinder drives the cab body structure to turn over;
the hydraulic lock is fixed on the cab body structure, the frame is further provided with a lock catch, the lock catch is used for being matched with the hydraulic lock in a locking mode when the cab body structure is horizontally arranged, a second oil path is connected between the manual oil pump and the hydraulic lock, and the second oil path extends along the outline of the cab body structure;
the cab body structure comprises a cab body longitudinal beam, the second oil path extends along the length direction of the cab body longitudinal beam, and the second oil path is fixedly arranged on the cab body longitudinal beam;
the hydraulic oil cylinder is arranged at a position, close to a hinged position, of a cab body longitudinal beam, the manual oil pump is fixedly installed on the frame, the first oil way is fixedly installed on the frame, and a bent oil way is further connected between the first oil way and the second oil way.
2. The suspension structure of the cab according to claim 1, wherein there are two of the cab-body side members, the two cab-body side members are arranged in parallel and spaced apart, and the second oil passage is fixedly provided on the outer side of one of the cab-body side members.
3. The suspension structure of the cab according to claim 2, wherein the hydraulic locks are provided at both ends of the two cab-body longitudinal beams away from the hinged position, the cab-body structure further comprises a cross bar connected between the two cab-body longitudinal beams, and a third oil path is connected between the two hydraulic locks and extends along the length direction of the cross bar.
4. The suspension structure of the cab according to claim 1, wherein the cab body longitudinal beam comprises a front horizontal section, a rear horizontal section and a transition section, the front horizontal section is arranged on the lower side of the front part of the rear horizontal section, the transition section is fixedly connected between the front horizontal section and the rear horizontal section, the end part of the front horizontal section is hinged with the frame, and the hydraulic lock is arranged at the end part of the rear horizontal section.
5. The suspension structure of the cab according to claim 1, wherein a front support structure and a rear support structure are arranged on the frame, the front support structure is hinged with the cab body structure, and the lock catch is arranged on the rear support structure.
6. The suspension structure of a cab according to claim 5, wherein the frame comprises two frame longitudinal beams which are arranged in parallel and spaced, the number of the rear support structures is two, the two rear support structures are respectively correspondingly arranged on the frame longitudinal beams, and the rear support structures are vertically opposite to the hydraulic lock.
7. The suspension structure of a cab according to claim 5, wherein the front mount structure and the rear mount structure are each an airbag mount structure.
8. The suspension structure of the cab according to claim 1, wherein the hydraulic turnover mechanism further comprises an electric pump, an oil supply pipeline is connected between the electric pump and the manual oil pump, and the electric pump is fixedly mounted on the frame at a position close to the manual oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828019.5A CN113511272B (en) | 2021-07-21 | 2021-07-21 | Suspension structure of cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828019.5A CN113511272B (en) | 2021-07-21 | 2021-07-21 | Suspension structure of cab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113511272A CN113511272A (en) | 2021-10-19 |
| CN113511272B true CN113511272B (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110828019.5A Active CN113511272B (en) | 2021-07-21 | 2021-07-21 | Suspension structure of cab |
Country Status (1)
| Country | Link |
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| CN (1) | CN113511272B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030532B (en) * | 2021-11-30 | 2023-03-10 | 东风柳州汽车有限公司 | Truck cab front overhang mounting structure |
| CN114633814B (en) * | 2022-02-14 | 2023-08-08 | 东风柳州汽车有限公司 | Automobile and suspension structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012245838A (en) * | 2011-05-26 | 2012-12-13 | Sanwa Seiki Co Ltd | Cab tilt device |
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| US3841693A (en) * | 1972-10-11 | 1974-10-15 | Applied Power Inc | Tilt cab latch device |
| GB2060513B (en) * | 1979-10-16 | 1983-06-29 | Talbot Motor | Forward control cab vehicles |
| JP2514718Y2 (en) * | 1989-09-29 | 1996-10-23 | 三菱自動車エンジニアリング株式会社 | Electric cabling device |
| JPH08258753A (en) * | 1995-03-24 | 1996-10-08 | Mitsubishi Motors Corp | Carburetor tilting device |
| JP4199359B2 (en) * | 1999-02-23 | 2008-12-17 | 三輪精機株式会社 | Cabylt equipment |
| CN2792907Y (en) * | 2005-05-18 | 2006-07-05 | 襄樊群龙汽车部件有限公司 | Hydraulic turnover and locking interconnector of driver's cab |
| JP5192244B2 (en) * | 2008-01-11 | 2013-05-08 | 三輪精機株式会社 | Cabylt equipment |
| CN201729197U (en) * | 2010-09-03 | 2011-02-02 | 湖北炎龙汽车有限公司 | Driving cab rear suspension assembly |
| CN102923200A (en) * | 2012-11-27 | 2013-02-13 | 东风柳州汽车有限公司 | Rear suspension device for heavy-duty truck cab |
| CN205872217U (en) * | 2016-07-15 | 2017-01-11 | 武汉理工大学 | Driver's cabin four properties bag floats suspension device entirely |
| CN208344362U (en) * | 2018-04-10 | 2019-01-08 | 杭叉集团股份有限公司 | A kind of engineering vehicle cab side-overturning system |
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| CN210191653U (en) * | 2019-06-04 | 2020-03-27 | 一汽解放汽车有限公司 | Quick-plugging connecting pipeline system |
| CN210338084U (en) * | 2019-07-09 | 2020-04-17 | 广西合浦县惠来宝机械制造有限公司 | Front-rear four-wheel drive tractor with cab turnover function |
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2021
- 2021-07-21 CN CN202110828019.5A patent/CN113511272B/en active Active
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|---|---|---|---|---|
| JP2012245838A (en) * | 2011-05-26 | 2012-12-13 | Sanwa Seiki Co Ltd | Cab tilt device |
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| CN113511272A (en) | 2021-10-19 |
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