CN114889709A - Auxiliary safety structure for cab turning - Google Patents
Auxiliary safety structure for cab turning Download PDFInfo
- Publication number
- CN114889709A CN114889709A CN202210723005.1A CN202210723005A CN114889709A CN 114889709 A CN114889709 A CN 114889709A CN 202210723005 A CN202210723005 A CN 202210723005A CN 114889709 A CN114889709 A CN 114889709A
- Authority
- CN
- China
- Prior art keywords
- upset
- cab
- support
- front suspension
- central siphon
- 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
- 239000000725 suspension Substances 0.000 claims abstract description 41
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 230000035939 shock Effects 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 13
- 241001247986 Calotropis procera Species 0.000 claims description 4
- 230000007306 turnover Effects 0.000 abstract description 22
- 238000013016 damping Methods 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a cab overturning auxiliary safety structure which comprises a left front suspension, a right front suspension and an overturning shaft tube (1), wherein the left front suspension and the right front suspension are arranged at two ends of the overturning shaft tube (1) and are of symmetrical structures, the left front suspension and the right front suspension respectively comprise an overturning support (2), a stabilizing arm (3), a lower support (4) and a shock absorber (14), an overturning limiting boss (5) is arranged on the overturning shaft tube (1), and an overturning limiting plate (6) matched with the limiting boss (5) is formed on one side of the overturning support (2). The invention can limit the turnover angle of the cab and prevent the cab from turning over and falling due to the failure of a hydraulic cylinder or the failure of a vibration damping component.
Description
Technical Field
The invention relates to a cab turnover mechanism, in particular to a cab turnover auxiliary safety structure.
Background
The suspension system of the heavy truck cab has the functions of connecting the cab with the frame, damping and overturning the cab. The suspension system is divided into four parts, namely a front suspension, a rear suspension, a lifting system and a locking system. When the vehicle normally runs, the cab and the frame are connected through the rear suspension locking system, and therefore the running smoothness of the whole vehicle and the driving comfort are guaranteed. When the driver's cabin is overturned to needs, rear suspension locking system opens, breaks away from the driver's cabin from the rear suspension through the system of lifting, overturns gradually round the preceding suspension stabilizer bar, realizes that the driver's cabin overturns spacingly through stop gear among the hydraulic cylinder in the system of lifting when overturning to extreme position. Meanwhile, in order to improve the maintenance convenience, the new-generation heavy truck has a large design turning angle, and a shock absorber or a hydraulic cylinder may fail under some extreme working conditions such as collision, so that the cab is turned over and falls forwards during turning, and serious potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a cab turnover auxiliary safety structure, which aims to solve the technical problems in the prior art, can limit the turnover angle of a cab and prevent the cab from turnover and falling due to failure of a hydraulic cylinder or failure of a vibration damping component.
The invention provides a cab overturning auxiliary safety structure which comprises a left front suspension, a right front suspension and an overturning shaft tube, wherein the left front suspension and the right front suspension are arranged at two ends of the overturning shaft tube, the left front suspension and the right front suspension are of symmetrical structures and respectively comprise an overturning support, a stabilizing arm, a lower support and a shock absorber, an overturning limiting boss is arranged on the overturning shaft tube, and an overturning limiting plate matched with the limiting boss is formed on one side of the overturning support.
In the cab turnover auxiliary safety structure, preferably, the top of the turnover support is fixedly connected with the cab, the turnover support is provided with an installation shaft tube, the installation shaft tube is provided with a rubber bushing, and the installation shaft tube is rotatably connected with the end of the turnover shaft tube through the rubber bushing.
Among the aforementioned safety structure is assisted in driver's cabin upset, preferably, the both ends of upset central siphon have set firmly the steady arm linking bridge, steady arm transverse arrangement, the one end of steady arm pass through the bolt with steady arm linking bridge fixed connection, the other end rotation of steady arm is connected with the steady arm support frame, the lower extreme and the chassis frame fixed connection of steady arm support frame, the spacing boss of upset with steady arm linking bridge formula structure as an organic whole, the upset limiting plate is located the top of the spacing boss of upset.
In the safety structure for assisting in cab tilting, preferably, when the cab is tilted to the limit position, a distance between the top surface of the tilting limit boss and the bottom surface of the tilting limit plate is 2mm to 3 mm.
In the cab turnover auxiliary safety structure, preferably, the lower end of the lower support is fixedly connected with the chassis frame, the lower support is vertically arranged, a shock absorber mounting lug plate is formed in the middle of the lower support, the lower end of the shock absorber is rotatably connected with the shock absorber mounting lug plate, and the top of the shock absorber is rotatably connected with the turnover shaft tube.
In the auxiliary safety structure for cab turnover, preferably, the top of the lower bracket is provided with a support limiting block, a support limiting surface is formed on the bottom surface of the stabilizing arm, and the support limiting surface and the support limiting block are arranged oppositely.
In the cab turnover auxiliary safety structure, preferably, when the cab is turned over to the extreme position, the support limiting surface is in contact with the support limiting block.
In the cab turnover auxiliary safety structure, preferably, when the cab is turned over to the limit position, a gap smaller than 3mm is formed between the support limiting surface and the support limiting block.
Compared with the prior art, the turnover limiting device comprises a left front suspension, a right front suspension and a turnover shaft tube, wherein the left front suspension and the right front suspension are installed at two ends of the turnover shaft tube, the left front suspension and the right front suspension are of symmetrical structures and respectively comprise a turnover support, a stabilizing arm, a lower support and a shock absorber, a turnover limiting boss is formed on the stabilizing arm, and a turnover limiting plate matched with the limiting boss is formed on one side of the turnover support. According to the invention, by arranging the overturning limiting boss and the overturning limiting plate, when the hydraulic cylinder fails and the cab is continuously overturned forwards, the overturning limiting boss supports against the overturning support to limit, so that the cab is prevented from being continuously overturned forwards, the cab is prevented from being overturned and falling, and the safety protection effect is achieved.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the present invention with both the support limit and the flip limit functioning.
Description of reference numerals: upset central siphon 1, upset support 2, stabilizer arm 3, lower carriage 4, the spacing boss 5 of upset, upset limiting plate 6, installation central siphon 7, stabilizer arm linking bridge 8, bolt 9, stabilizer arm support frame 10, bumper shock absorber installation otic placode 11, support stopper 12, support spacing face 13, bumper shock absorber 14.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The embodiment of the invention comprises the following steps: as shown in fig. 1-2, a driver's cabin upset auxiliary safety structure, including left front suspension, right front suspension and upset central siphon 1, left front suspension and right front suspension are installed at the both ends of upset central siphon 1, left front suspension and right front suspension are symmetrical structure, left front suspension and right front suspension all include upset support 2, stabilizing arm 3, lower carriage 4 and bumper shock absorber 14, wherein be equipped with the spacing boss 5 of upset on the upset central siphon 1, one side of upset support 2 is formed with spacing boss 5 complex upset limiting plate 6.
Specifically, the top of upset support 2 is formed with a plurality of mounting holes, and the driver's cabin passes through bolt assembly fixed connection with upset support 2, and the lower part of upset support 2 has installation central siphon 7, has the rubber bush in the installation central siphon 7, and installation central siphon 7 passes through the end rotation connection of rubber bush and upset central siphon 1.
The overturning support 2 plays a role in connecting the cab, and cab overturning is realized by the cooperation of the overturning support 2 and the overturning shaft tube 1. Through setting up spacing boss 5 and upset limiting plate 6, when playing the pneumatic cylinder of supporting the driver's cabin effect and became invalid, upset limiting plate 6 and 5 butts of spacing boss, the resistance driver's cabin continues the upset to the problem that the driver's cabin upset excessively can fall has been solved.
Further, the both ends of upset central siphon 1 have set firmly stabilizator arm linking bridge 8, upset central siphon 1 and 8 integrated into one piece of stabilizator arm linking bridge, 3 transverse arrangement of stabilizator arm, bolt 9 and 8 fixed connection of stabilizator arm linking bridge are passed through to the one end of stabilizator arm 3, the other end rotation of stabilizator arm 3 is connected with stabilizator arm support frame 10, the lower extreme and chassis frame fixed connection of stabilizator arm support frame 10, the spacing boss 5 of upset and the 8 formula structures as an organic whole of stabilizator arm linking bridge, upset limiting plate 6 is located the top of the spacing boss 5 of upset. Through setting up stabilizing arm 3, can play the effect of strengthening preceding suspension overall structure performance.
Preferably, when the cab is overturned to the limit position, the distance between the top surface of the overturning limiting boss 5 and the bottom surface of the overturning limiting plate 6 is 2mm-3 mm. Through this structure, when the pneumatic cylinder became invalid, can make the spacing boss 5 of upset and the cooperation of upset limiting plate 6 carry on spacingly, can not cause too big impact to upset limiting plate 6 moreover, guarantee spacing validity.
In a preferred embodiment, the lower end of the lower bracket 4 is fixedly connected with the chassis frame, the lower bracket 4 is vertically arranged, the middle part of the lower bracket 4 is formed with a shock absorber mounting lug plate 11, the lower end of the shock absorber 14 is rotatably connected with the shock absorber mounting lug plate 11, and the top of the shock absorber 14 is rotatably connected with the rollover shaft tube 1. The shock absorber can adopt a spring shock absorber and also can adopt an air bag shock absorber.
Further, a support limiting block 12 is installed at the top of the lower support frame 4, a support limiting surface 13 is formed on the bottom surface of the stabilizing arm 3, and the support limiting surface 13 and the support limiting block 12 are arranged oppositely.
In one embodiment, the support stopper surface 13 contacts the support stopper 12 when the cab is flipped to the extreme position. In another embodiment, when the cab is turned to the extreme position, there is a gap of less than 3mm between the support stopper surface 13 and the support stopper 12.
The working principle of the invention is as follows: the overturning limiting function is that when the cab is overturned to the maximum angle and the hydraulic cylinder fails and the cab is continuously overturned forwards, the bottom surface of the overturning limiting plate 6 is abutted against the top surface of the overturning limiting boss 5 to realize limiting and prevent the cab from being continuously overturned forwards; and the supporting and limiting function is realized, after the cab is overturned to pass through the center of gravity, if the shock absorber 14 fails (such as the air spring shock absorber is subjected to shearing force, bent or broken), the cab is continuously overturned, the supporting and limiting surface 13 is abutted against the supporting and limiting block 12, so that the cab can not be continuously overturned, and the cab is prevented from being overturned forwards and falling.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (8)
1. The utility model provides a driver's cabin upset auxiliary safety structure, includes left front suspension, right front suspension and upset central siphon (1), left side front suspension with right front suspension installs the both ends of upset central siphon (1), its characterized in that: left side front suspension with right front suspension is symmetrical structure, and the two all includes upset support (2), stable arm (3), lower carriage (4) and bumper shock absorber (14), be equipped with the spacing boss of upset (5) on upset central siphon (1), one side of upset support (2) be formed with spacing boss (5) complex upset limiting plate (6).
2. The cab-rollover aid safety structure according to claim 1, wherein: the top and the driver's cabin fixed connection of upset support (2), installation central siphon (7) have on upset support (2), rubber bush has in installation central siphon (7), installation central siphon (7) pass through rubber bush with the tip of upset central siphon (1) is rotated and is connected.
3. The cab-rollover aid safety structure according to claim 2, wherein: the both ends of upset central siphon (1) have set firmly and have stabilized arm linking bridge (8), stabilized arm (3) transverse arrangement, the one end of stabilized arm (3) pass through bolt (9) with stabilized arm linking bridge (8) fixed connection, the other end rotation of stabilized arm (3) is connected with stabilized arm support frame (10), the lower extreme and chassis frame fixed connection of stabilized arm support frame (10), upset spacing boss (5) with stabilized arm linking bridge (8) formula structure as an organic whole, upset limiting plate (6) are located the top of upset spacing boss (5).
4. The cab-rollover aid safety structure according to claim 3, wherein: when the cab is turned to the limit position, the distance between the top surface of the turning limit boss (5) and the bottom surface of the turning limit plate (6) is 2-3 mm.
5. The cab-rollover aid safety structure according to claim 4, wherein: the lower extreme of lower carriage (4) with chassis frame fixed connection, vertical arrangement is followed in lower carriage (4), the middle part of lower carriage (4) is formed with bumper shock absorber installation otic placode (11), the lower extreme of bumper shock absorber (14) with bumper shock absorber installation otic placode (11) rotate to be connected, the top of bumper shock absorber (14) with upset central siphon (1) rotates to be connected.
6. The cab-rollover aid safety structure according to claim 5, wherein: the top of lower carriage (4) is installed and is supported stopper (12), be formed with on the bottom surface of stabilizing arm (3) and support spacing face (13), support spacing face (13) with support stopper (12) mutual disposition.
7. The cab-rollover aid safety structure according to claim 6, wherein: when the cab is turned to the limit position, the supporting limiting surface (13) is in contact with the supporting limiting block (12).
8. The cab-rollover aid safety structure according to claim 6, wherein: when the cab is turned to the limit position, a gap smaller than 3mm is reserved between the supporting limiting surface (13) and the supporting limiting block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723005.1A CN114889709A (en) | 2022-06-20 | 2022-06-20 | Auxiliary safety structure for cab turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723005.1A CN114889709A (en) | 2022-06-20 | 2022-06-20 | Auxiliary safety structure for cab turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114889709A true CN114889709A (en) | 2022-08-12 |
Family
ID=82729582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210723005.1A Pending CN114889709A (en) | 2022-06-20 | 2022-06-20 | Auxiliary safety structure for cab turning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114889709A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0972699A2 (en) * | 1998-07-13 | 2000-01-19 | MAN Nutzfahrzeuge Aktiengesellschaft | Front bearing for tilt cab truck |
| CN103950475A (en) * | 2014-04-02 | 2014-07-30 | 山东美晨科技股份有限公司 | Novel cab front suspension |
| CN204415545U (en) * | 2015-01-21 | 2015-06-24 | 山东美晨科技股份有限公司 | A kind of driving cab of medium sized truck front-suspension |
| CN106347502A (en) * | 2016-11-25 | 2017-01-25 | 安徽江淮汽车集团股份有限公司 | Cab turning vibration reduction structure |
| CN208021564U (en) * | 2018-04-05 | 2018-10-30 | 十堰市弘康汽配科技有限公司 | Overturning position-limit mechanism applied to commercial-vehicle cab front-suspension system |
| CN109625104A (en) * | 2018-12-27 | 2019-04-16 | 东风专用零部件有限公司 | A kind of driving cab of medium sized truck suspension |
| CN209634583U (en) * | 2018-12-26 | 2019-11-15 | 一汽解放汽车有限公司 | A kind of commercial-vehicle cab overturning protection mounting structure |
| CN210391350U (en) * | 2019-07-17 | 2020-04-24 | 浙江吉利新能源商用车集团有限公司 | Upset stop device and heavy truck |
| CN210526681U (en) * | 2019-07-16 | 2020-05-15 | 十堰市弘康汽配科技有限公司 | Four-point suspension type front suspension system for cab of commercial vehicle |
| CN211943548U (en) * | 2020-04-17 | 2020-11-17 | 陕西重型汽车有限公司 | Cab suspension structure |
| CN213649738U (en) * | 2020-09-29 | 2021-07-09 | 陕西万方汽车零部件有限公司 | Full-floating type heavy truck cab front suspension structure |
| CN215794105U (en) * | 2021-07-15 | 2022-02-11 | 东风专用零部件有限公司 | Middle truck cab suspension |
| CN215826842U (en) * | 2021-06-01 | 2022-02-15 | 一汽解放汽车有限公司 | Front suspension assembly and vehicle |
-
2022
- 2022-06-20 CN CN202210723005.1A patent/CN114889709A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0972699A2 (en) * | 1998-07-13 | 2000-01-19 | MAN Nutzfahrzeuge Aktiengesellschaft | Front bearing for tilt cab truck |
| CN103950475A (en) * | 2014-04-02 | 2014-07-30 | 山东美晨科技股份有限公司 | Novel cab front suspension |
| CN204415545U (en) * | 2015-01-21 | 2015-06-24 | 山东美晨科技股份有限公司 | A kind of driving cab of medium sized truck front-suspension |
| CN106347502A (en) * | 2016-11-25 | 2017-01-25 | 安徽江淮汽车集团股份有限公司 | Cab turning vibration reduction structure |
| CN208021564U (en) * | 2018-04-05 | 2018-10-30 | 十堰市弘康汽配科技有限公司 | Overturning position-limit mechanism applied to commercial-vehicle cab front-suspension system |
| CN209634583U (en) * | 2018-12-26 | 2019-11-15 | 一汽解放汽车有限公司 | A kind of commercial-vehicle cab overturning protection mounting structure |
| CN109625104A (en) * | 2018-12-27 | 2019-04-16 | 东风专用零部件有限公司 | A kind of driving cab of medium sized truck suspension |
| CN210526681U (en) * | 2019-07-16 | 2020-05-15 | 十堰市弘康汽配科技有限公司 | Four-point suspension type front suspension system for cab of commercial vehicle |
| CN210391350U (en) * | 2019-07-17 | 2020-04-24 | 浙江吉利新能源商用车集团有限公司 | Upset stop device and heavy truck |
| CN211943548U (en) * | 2020-04-17 | 2020-11-17 | 陕西重型汽车有限公司 | Cab suspension structure |
| CN213649738U (en) * | 2020-09-29 | 2021-07-09 | 陕西万方汽车零部件有限公司 | Full-floating type heavy truck cab front suspension structure |
| CN215826842U (en) * | 2021-06-01 | 2022-02-15 | 一汽解放汽车有限公司 | Front suspension assembly and vehicle |
| CN215794105U (en) * | 2021-07-15 | 2022-02-11 | 东风专用零部件有限公司 | Middle truck cab suspension |
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