CN115107893A

CN115107893A - Vehicle cab and automobile

Info

Publication number: CN115107893A
Application number: CN202210559788.4A
Authority: CN
Inventors: 尹中保; 许家毅; 周志斌; 栗广生; 周文; 梁培钊
Original assignee: Dongfeng Liuzhou Motor Co Ltd
Current assignee: Dongfeng Liuzhou Motor Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-27

Abstract

The invention discloses a vehicle cab and an automobile, the vehicle cab comprises a frame, a cab and a fixed structure, the frame comprises a longitudinal beam extending along the front and back directions, the cab can be arranged on the longitudinal beam in a sliding way along the front and back directions, the cab has an installation position for driving and an avoidance position for exposing a power system, the fixed structure is arranged between the frame and the cab and is used for fixing the cab at the installation position, compared with the mode of turning the cab upwards, the acting force for pushing the cab to slide along the front and back directions is much smaller, so that the cab can be directly driven by a person without additionally increasing a driving mechanism, the production cost is favorably reduced, meanwhile, the cab adopts a sliding mode, so that the cab can completely exit from the space above the power system, and the maintenance personnel can have enough maintenance space, thereby facilitating maintenance of the power system.

Description

Vehicle cab and automobile

Technical Field

The invention relates to the technical field of automobile maintenance, in particular to a vehicle cab and an automobile.

Background

The long-head heavy truck has the characteristics of high safety, good visual field and the like, and is more and more widely applied in China. At present, when a long-head heavy truck needs to maintain a power system and other problems, an engine hood needs to be opened and turned for maintenance generally, but because systems such as speed change, clutch and the like of the power system are shielded by a cab, the cab has to be lifted by means of special tools such as a crane and the like for maintenance, the power system is inconvenient to maintain, and the maintenance is difficult to timely maintain particularly when the special tools are lacked outdoors. In order to solve the above problems, manufacturers have proposed to add a lifting mechanism to the front suspension of the cab to realize a backward turning of the cab at a certain angle, and although the front suspension is partially provided with a maintenance space, the maintenance space is still limited.

Disclosure of Invention

The invention mainly aims to provide a vehicle cab and an automobile, and aims to solve the problem that the conventional cab is limited in turnover angle, so that the maintenance space of a power system is insufficient.

To achieve the above object, the present invention provides a vehicle cab including:

a frame including longitudinal beams extending in a front-rear direction;

the cab can be slidably mounted on the longitudinal beam in the front-back direction, and has a mounting position for driving and an avoiding position for exposing a power system on the sliding stroke of the cab; and the number of the first and second groups,

and the fixing structure is arranged between the frame and the cab and used for fixing the cab at the mounting position.

Optionally, the fixing structure comprises:

the upper fixing seat is arranged in the cab and provided with an upper fixing hole;

the lower fixing seat is arranged on the frame and provided with a lower fixing hole;

the roller is rotatably arranged on the upper fixed seat along the axis extending in the left-right direction; and the number of the first and second groups,

and the fixing bolt penetrates through the upper fixing hole and the lower fixing hole and is used for fixing the upper fixing seat on the lower fixing seat.

Optionally, the fixing structure further includes a positioning structure, the positioning structure includes a positioning block and a matching block that are matched with each other for positioning, the positioning block and the matching block are respectively disposed on the lower fixing seat and the upper fixing seat, and the positioning block is abutted against the matching block, so as to position the upper fixing seat at the mounting position.

Optionally, the upper fixing seat comprises a seat body and a damping airbag arranged on the seat body;

wherein, the gyro wheel and go up the fixed orifices and locate the seat body.

Optionally, the upper fixing seat comprises an upper fixing block, and the upper fixing hole is formed in the upper fixing block;

the lower fixing seat comprises a lower fixing block, and the lower fixing hole is formed in the lower fixing block;

when the cab is located at the installation position, the lower end face of the upper fixing block is attached to the upper end face of the lower fixing block.

Optionally, the fixing structures are provided in plurality, and the fixing structures are arranged at intervals in the front-back direction.

Optionally, the vehicle cab further comprises a hood slidably mounted to the frame in the forward and rearward directions.

Optionally, the vehicle cab further comprises:

the guide structure comprises a sliding block and a sliding groove which are matched with each other to slide, and the sliding block and the sliding groove are respectively arranged on the engine cover and the frame;

the supporting structure comprises two supporting rods arranged between the engine cover and the frame, and the two supporting rods are arranged on the sliding block at intervals along the front and back directions; and the number of the first and second groups,

the limiting structure comprises a limiting block arranged on the frame, and the limiting block is matched with the supporting rod and used for limiting the sliding stroke of the sliding block.

Optionally, the engine cover comprises:

the cover body is movably arranged on the frame in the front-back direction; and (c) a second step of,

the connecting cover body is detachably mounted on the cab.

In addition, the invention also provides an automobile which comprises the vehicle cab.

In the technical scheme of the invention, in a normal condition, the cab is fixed at the mounting position of the frame through the fixing structure so as to normally drive the automobile, when the power system needs to be maintained, the cab is pushed to move backwards to the avoiding position so as to expose the space of the power system, so as to conveniently maintain the power system, compared with the situation that the cab is turned upwards, the acting force for pushing the cab to slide forwards and backwards is much smaller, so that the cab can be directly driven manually without additionally increasing the driving mechanism, the production cost is favorably reduced, and meanwhile, the cab adopts a sliding mode so as to completely withdraw from the space above the power system, so that a maintenance worker can have enough maintenance space, and the maintenance of the power system is favorably realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic front view of a vehicle cab according to an embodiment of the present invention;

FIG. 2 is a schematic view of an embodiment of the fastening structure of FIG. 1 in an installed position;

FIG. 3 is a schematic view of an embodiment of the fastening structure of FIG. 1 shown in an uninstalled position;

FIG. 4 is a schematic view of another embodiment of the fixation structure of FIG. 1 in an installed position;

FIG. 5 is a schematic view of another embodiment of the fastening structure of FIG. 1 shown in an uninstalled position;

FIG. 6 is a front view of the guide structure of FIG. 1;

FIG. 7 is a schematic top view of the guide structure of FIG. 1;

FIG. 8 is a cross-sectional structural view of the guide structure of FIG. 1;

FIG. 9 is a schematic illustration of the vehicle cab of FIG. 1 in an installed position;

fig. 10 is a schematic view of the vehicle cab of fig. 1 in an avoidance position.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In view of the above, the invention provides a vehicle cab, which solves the problem that the conventional cab has a limited turnover angle, so that the maintenance space of a power system is insufficient. Fig. 1 to 10 are schematic structural views of a vehicle cab provided by the present invention.

Referring to fig. 1, 9 and 10, the vehicle cab 100 includes a frame 1, a cab 2 and a fixing structure 3, the frame 1 includes a longitudinal beam 11 extending in a front-rear direction, the cab 2 is slidably mounted on the longitudinal beam 11 in the front-rear direction, the cab 2 has a mounting position for driving and a retracted position for exposing a power system 200 on a sliding stroke of the cab 2, and the fixing structure 3 is disposed between the frame 1 and the cab 2 for fixing the cab 2 at the mounting position.

In the technical scheme of the invention, the cab 2 is fixed at the installation position of the frame 1 through the fixing structure 3 under the normal condition so as to normally drive the automobile, when the power system 200 needs to be repaired, the cab 2 is pushed to move backwards to the avoiding position, so that the space of the power system 200 is exposed to facilitate maintenance of the power system 200, and the force for pushing the cab 2 to slide in the forward and backward directions is much smaller than that for turning the cab 2 upward, so that the cab 2 can be directly driven by a human, without additionally increasing the driving mechanism, which is beneficial to reducing the production cost, and meanwhile, the cab 2 adopts a sliding mode, so that the cab 2 can be completely withdrawn from the space above the power system 200 to ensure that the maintenance personnel have sufficient maintenance space to facilitate maintenance of the power system 200.

It can be understood that, due to the development of the drive-by-wire chassis technology, the driving system 200 for driving, steering and braking the cab 2 does not need to be connected with the chassis through a mechanical structure, but can transmit analog signals to the relevant motors arranged on the chassis through the wire harness to transmit corresponding actions, thereby bringing convenience to the arrangement of the cab 2.

It should be noted that, the front, the back, the upper, the lower, the inner, and the like in the present invention are defined by taking the vehicle body as a reference, specifically, the length direction of the vehicle body is the front-back direction, the vehicle head is the front, that is, the traveling direction of the vehicle is the front, the opposite is the back, the width direction of the vehicle body is the inside-outside direction, that is, the direction close to the middle of the vehicle body is the inner, the opposite is the outer, and the height direction of the vehicle body is the up-down direction; it is to be understood that the directional terms are used merely for clarity and convenience in describing the technical solutions, and should not be construed as limiting the scope of the present application.

Further, referring to fig. 2 and 3, the fixing structure 3 includes an upper fixing seat 31, a lower fixing seat 32, a roller 33 and a fixing bolt 34, the upper fixing seat 31 is disposed on the cab 2, the upper fixing seat 31 is provided with an upper fixing hole, the lower fixing seat 32 is disposed on the frame 1, the lower fixing seat 32 is provided with a lower fixing hole, the roller 33 is rotatably mounted on the upper fixing seat 31 along an axis extending in a left-right direction, the fixing bolt 34 is inserted into the upper fixing hole and the lower fixing hole to fix the upper fixing seat 31 to the lower fixing seat 32, such that the upper fixing seat 31 is fixedly connected with the lower fixing seat 32 through the fixing bolt 34 to fix the cab 2 at the mounting position, and the roller 33 is disposed to form rolling friction between the cab 2 and the frame 1, contributes to reducing the frictional resistance between the cab 2 and the vehicle frame 1 so that the cab 2 can be directly pushed by a human.

It can be understood that there are various connection manners of the upper fixing seat 31 and the cab 2, the upper fixing seat 31 may be riveted and fixed to the cab 2, the upper fixing seat 31 may also be detachably mounted to the cab 2 by bolts, and the like, but the present invention is not limited thereto, and preferably, the upper fixing seat 31 is detachably mounted to the cab 2 to facilitate subsequent replacement or maintenance. Similarly, the connection manner of the lower fixing seat 32 and the frame 1 is not limited, and preferably, the lower fixing seat 32 is detachably mounted on the frame 1.

It should be noted that the roller 33 includes a V-shaped roller 33, so that the roller 33 can directly roll on the longitudinal beam 11, thereby avoiding an additional guide structure 5, and being beneficial to reducing the cost.

Further, referring to fig. 4 and 5, the fixing structure 3 further includes a positioning structure 35, the positioning structure 35 includes a positioning block 351 and a fitting block 352 that are matched and positioned with each other, the positioning block 351 and the fitting block 352 are respectively disposed on the lower fixing base 32 and the upper fixing base 31, the positioning block 351 is abutted against the fitting block 352 to position the upper fixing base 31 at the mounting position, and thus the positioning block 351 and the fitting block 352 that are matched and abutted with each other are configured to position the cab 2 at the mounting position, which is beneficial to quickly fixing the cab 2 at the mounting position.

The upper fixing hole and the lower fixing hole are provided in the engagement block 352 and the positioning block 351, respectively, so as to fixedly connect the engagement block 352 and the positioning block 351 to fix the cab 2 at the mounting position.

In order to isolate the vibration of the frame 1, please refer to fig. 4 and 5, the upper fixing seat 31 includes a seat body and a damping airbag 36 disposed on the seat body, wherein the roller 33 and the upper fixing hole are disposed on the seat body, and the damping airbag 36 is disposed to isolate the cab 2 from the driving, so as to prevent the vibration of the frame 1 from being transmitted to the cab 2, thereby facilitating to improve the comfort of the cab 2.

In order to fix the upper fixing seat 31 to the lower fixing seat 32, referring to fig. 2 and 3, the upper fixing seat 31 includes an upper fixing block 311, the upper fixing hole is formed in the upper fixing block 311, the lower fixing seat 32 includes a lower fixing block 321, and the lower fixing hole is formed in the lower fixing block 321, wherein when the cab 2 is located at the installation position, a lower end surface of the upper fixing block 311 is attached to an upper end surface of the lower fixing block 321, and when the cab 2 is located at the installation position, the upper fixing block 311 is attached to the lower fixing block 321, so that the fixing bolt 34 is inserted, and the connection between the upper fixing seat 31 and the lower fixing seat 32 is enhanced.

In order to strengthen the connection between the cab 2 and the frame 1, please refer to fig. 1, 9 and 10, the fixed structures 3 are provided in plurality, and the fixed structures 3 are arranged at intervals along the front and back directions, so that the connection between the cab 2 and the frame 1 is strengthened by providing the fixed structures 3, and the relative movement between the cab 2 and the frame 1 is avoided.

Furthermore, in order to strengthen the connection between the cab 2 and the frame 1, the plurality of fixing structures 3 comprise a front fixing suspension and a rear fixing suspension, the front fixing suspension and the rear fixing suspension are arranged at intervals in the front-rear direction, the front fixing suspension is provided with two front fixing suspensions, the two front fixing suspensions are arranged on the frame 1 at intervals in the left-right direction, the rear fixing suspension is provided with two rear fixing suspensions, and the two rear fixing suspensions are arranged on the frame 1 at intervals in the left-right direction.

In order to increase the maintenance space of the power system 200, referring to fig. 1, 9 and 10, the vehicle cab 100 further includes a hood 4, and the hood 4 is slidably mounted to the frame 1 in the front-rear direction, so that when the power system 200 needs to be maintained, the hood 4 is pushed to move forward, the hood 4 is prevented from shielding the power system 200, so that the power system 200 can be completely exposed, and the maintenance space of the power system 200 can be enlarged.

Further, referring to fig. 6 to 8, the vehicle cab 100 further includes a guide structure 5, a support structure 6, and a limiting structure 7, the guide structure 5 includes a sliding block 51 and a sliding groove 52 that are matched with each other to slide, the sliding block 51 and the sliding groove 52 are respectively disposed on the engine cover 4 and the vehicle frame 1, the support structure 6 includes two supporting rods 61 disposed between the engine cover 4 and the vehicle frame 1, the two supporting rods 61 are disposed on the sliding block 51 along the front-back direction at intervals, the limiting structure 7 includes a limiting block 71 disposed on the vehicle frame 1, the limiting block 71 is matched with the supporting rods 61 to limit the sliding stroke of the sliding block 51, and thus, by disposing the guide structure 5, the support structure 6 supports the engine cover 4 to prevent the engine cover 4 from vibrating during traveling, and by disposing the guide structure 5, so as to slide the engine cover 4 in the front-back direction, and meanwhile, the limit structure 7 is arranged to limit the sliding stroke of the engine cover 4, so that the engine cover 4 is prevented from sliding off the frame 1.

Further, in order to prevent the end of the hood 4 away from the cab 2 from being turned downward due to lack of support during sliding, in an embodiment, the side wall of the sliding groove 52 is provided with a limiting rib to limit the rotation of the sliding block 51, so that the hood 4 can be prevented from rotating during sliding.

In another embodiment, the limit block 71 is disposed at the upper end of the sliding groove 52, and when the sliding block 51 rotates, the limit block 71 interferes with the sliding block 51, so that the engine cover 4 can be prevented from rotating during the sliding process.

Further, the engine hood 4 includes a hood body 41 and a connecting hood body 42, the hood body 41 is movably mounted on the frame 1 in the front-back direction, and the connecting hood body 42 is detachably mounted on the cab 2, so as to reduce the size and weight of the hood body 41, on one hand, the power system 200 can be exposed with a small sliding amount when the hood body 41 slides, which is beneficial to reducing the sliding length of the engine hood 4, and on the other hand, the problem that the engine hood 4 vibrates obviously or cracks greatly in the driving process of the vehicle due to the fact that the structural size of the engine hood 4 is too large can be avoided, so that the shaking of the engine hood 4 is beneficial to being reduced.

In addition, for achieving the above object, referring to fig. 9 and fig. 10, the present invention further provides an automobile, where the automobile includes the vehicle cab 100, and it should be noted that the structure of the vehicle cab 100 in the automobile can refer to the embodiment of the vehicle cab 100, and is not described again here; since the vehicle cab 100 is used in the vehicle provided by the present invention, the embodiment of the vehicle provided by the present invention includes all technical solutions of all embodiments of the vehicle cab 100, and the achieved technical effects are also completely the same, and are not described herein again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and drawings or directly/indirectly applied to other related technical fields under the spirit of the present invention are included in the scope of the present invention.

Claims

1. A vehicle cab, comprising:

a frame including longitudinal beams extending in a front-rear direction;

2. The vehicle cab of claim 1, wherein the fixed structure comprises:

3. The vehicle cab of claim 2, wherein the fixing structure further comprises a positioning structure, the positioning structure comprises a positioning block and an engaging block, the positioning block and the engaging block are cooperatively positioned with each other, the positioning block and the engaging block are respectively disposed on the lower fixing seat and the upper fixing seat, and the positioning block abuts against the engaging block to position the upper fixing seat at the mounting position.

4. The vehicle cab as claimed in claim 2, wherein the upper fixing seat includes a seat body and a shock-absorbing air bag provided in the seat body;

wherein, the gyro wheel and go up the fixed orifices and locate the seat body.

5. The vehicle cab of claim 2, wherein the upper mounting seat includes an upper mounting block, the upper mounting hole being defined in the upper mounting block;

6. The vehicle cab of claim 1, wherein the fixing structure is provided in plurality, and a plurality of the fixing structures are provided at intervals in the front-rear direction.

7. The vehicle cab of claim 1, further comprising a hood slidably mounted to the frame in a forward and rearward direction.

8. The vehicle cab of claim 7, further comprising:

9. The vehicle cab of claim 8, wherein the hood comprises:

the cover body is movably arranged on the frame in the front-back direction; and the number of the first and second groups,

the connecting cover body is detachably arranged in the cab.

10. An automobile, characterized in that it comprises a vehicle cab according to any one of claims 1 to 9.