CN210391350U - Upset stop device and heavy truck - Google Patents
Upset stop device and heavy truck Download PDFInfo
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- CN210391350U CN210391350U CN201921123539.0U CN201921123539U CN210391350U CN 210391350 U CN210391350 U CN 210391350U CN 201921123539 U CN201921123539 U CN 201921123539U CN 210391350 U CN210391350 U CN 210391350U
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- front suspension
- assembly
- stabilizer bar
- cab
- bar assembly
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Abstract
The utility model provides a upset stop device and heavy truck belongs to the vehicle field. This upset stop device is used for the extreme position of supplementary restriction heavy truck's driver's cabin upset, includes: the front suspension stabilizer bar assembly is positioned below the cab; a front suspension upper bracket assembly supported between the cab and the front suspension stabilizer bar assembly; and the overturning limiting structure is fixed on the front suspension stabilizer bar assembly and is positioned close to the position of the joint of the front suspension upper bracket assembly and the front suspension stabilizer bar assembly, and the overturning limiting structure is configured to abut against the front suspension upper bracket assembly when the front suspension upper bracket assembly follows the cab to overturn to a preset position so as to limit the overturning angle of the front suspension upper bracket assembly. The utility model discloses still provide the heavy truck including this upset stop device. This upset stop device and heavy truck can control the rotation angle of driver's cabin.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a upset stop device and heavy truck.
Background
In order to repair heavy trucks, it is usually necessary to turn the cab forward, and the cab is usually turned and limited by a turning cylinder. The turnover angle of the cab is required to ensure that the mass center is turned over the turnover center due to maintenance safety, the cab enters the forward-tilting falling trend, the maintenance and replacement of parts under the cab are facilitated, and meanwhile, the safety of operators under the cab is ensured.
However, because the center of mass of the cab is overturned over the overturning center, when the overturning state of the cab enters the forward-leaning free falling trend, the oil cylinder is stressed greatly, the oil cylinder can be impacted greatly at the moment when reaching the extension limit, the risk coefficient of the cylinder body is enlarged, the service life of the system is influenced, and the hydraulic cylinder has the risk of pulling out or losing efficacy, so that the overturning angle of the cab cannot be controlled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a upset stop device can control the rotation angle of driver's cabin.
The utility model discloses a hydraulic cylinder that another purpose protection is used for driving the upset of driver's cabin.
Particularly, the utility model provides a upset stop device for the extreme position of supplementary restriction heavy truck's driver's cabin upset includes:
the front suspension stabilizer bar assembly is positioned below the cab;
a front suspension upper bracket assembly supported between the cab and the front suspension stabilizer bar assembly; and
the turnover limiting structure is fixed on the front suspension stabilizer bar assembly and is located close to the position of the joint of the front suspension upper bracket assembly and the front suspension stabilizer bar assembly, and the turnover limiting structure is configured to abut against the front suspension upper bracket assembly when the front suspension upper bracket assembly follows the cab to turn to a preset position so as to limit the turning angle of the front suspension upper bracket assembly.
Optionally, the preset position is set as a position where the cab is located when a hydraulic oil cylinder for driving the cab to overturn is in an extreme position.
Optionally, the overturning limiting device further comprises:
a swing arm bracket assembly supported between a frame of the heavy truck and the front suspension stabilizer bar assembly, wherein,
the front suspension stabilizer bar assembly is provided with a first mounting hole group, the swing arm support assembly is provided with a second mounting hole group aligned with the first mounting hole group, the overturning limiting structure is provided with a third mounting hole group aligned with at least two mounting holes in the first mounting hole group, the overturning limiting structure and the swing arm support assembly pass through a fastener the third mounting hole group the first mounting hole group and the second mounting hole group are fixedly connected with the front suspension stabilizer bar assembly.
Optionally, the front suspension upper bracket assembly comprises:
and the front suspension upper left bracket and the front suspension upper right bracket are respectively fixed at two ends of the front suspension stabilizer bar assembly.
Optionally, the swing arm bracket assembly comprises:
and the left swing arm support and the right swing arm support are respectively fixed at two ends of the front suspension stabilizer bar assembly.
Optionally, the overturning limiting device further comprises:
and one end of each shock absorber assembly is supported at the bottom end of the front suspension stabilizer bar assembly, and the other end of each shock absorber assembly is fixedly connected with the frame.
Particularly, the utility model discloses still provide a heavy truck, including the driver's cabin that can overturn, frame and any one of the aforesaid upset stop device.
The utility model discloses a upset stop device adds on ordinary heavy truck's front suspension structure and has established upset limit structure, can overturn at the driver's cabin to the front suspension upper bracket assembly of butt when predetermineeing the position to the upset of restriction driver's cabin guarantees its rotation angle. Meanwhile, the hydraulic oil cylinder can be effectively protected, and the condition that the oil cylinder is pulled out or fails is avoided. Namely, the overturn limiting device of the embodiment can be used as a secondary limiting protection structure for failure of the oil cylinder during overturn of the cab.
Further, the utility model discloses in utilize the mounting hole (being first installation punch combination and second installation punch combination) of current swing arm bracket component and front overhang stabilizer bar assembly as upset stop device's mounting hole (being third installation punch combination), consequently need not specially to add the installation part for this upset stop device, saved erection joint spare and installation procedure, and then can save the cost. In addition, the original structure is not required to be changed in the installation of the overturning limiting device, so that the generalization of system parts is not influenced, and the overturning limiting device can also be used as an optional structure and installed according to requirements.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic view of a prior art heavy truck;
fig. 2 is a schematic structural view of an overturn limiting device according to an embodiment of the present invention;
fig. 3 is an exploded view of the turnover limiting device according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic view of a prior art heavy truck. As shown in fig. 1, a front suspension structure of a heavy truck, which is disposed below a cab thereof for supporting the cab and performing a rollover thereof, generally includes a front suspension stabilizer bar assembly 10, a front suspension upper bracket assembly 20, a swing arm bracket assembly 40, and a shock absorber assembly 60. The front suspension stabilizer bar extends along the transverse direction of the vehicle, the upper part of the front suspension stabilizer bar is connected with a front suspension upper bracket assembly 20, and the upper part of the front suspension upper bracket assembly is fixedly connected with the cab and rotates along with the cab when the cab is overturned. The swing arm bracket assembly 40 and the shock absorber assembly 60 are supported between the front suspension stabilizer bar assembly 10 and the frame 300 under the cab, and play roles of shock absorption and stable support.
Fig. 2 is a schematic structural diagram of an overturn-limiting device 100 according to an embodiment of the present invention. As shown in fig. 2, the present embodiment provides a rollover limiting device 100 for assisting in limiting the extreme positions of the rollover of the cab of a heavy truck, the rollover limiting device 100 including a front suspension bar assembly 10, a front suspension upper bracket assembly 20, and a rollover limiting structure 30. The front suspension stabilizer bar assembly 10 is located below the cab. The front suspension upper bracket assembly 20 is supported between the cab and the front suspension bar assembly 10. The roll-over limiting structure 30 is fixed on the front suspension stabilizer bar assembly 10 and is located at a position close to a connection of the front suspension upper bracket assembly 20 and the front suspension stabilizer bar assembly 10, and the roll-over limiting structure 30 is configured to abut against the front suspension upper bracket assembly 20 when the front suspension upper bracket assembly 20 is rolled over to a preset position following the cab to limit a roll-over angle thereof.
The upset stop device 100 of this embodiment has set up upset limit structure 30 additional on ordinary heavy truck's preceding suspension, can be when the driver's cabin upset to preset position the preceding suspension upper bracket assembly 20 of butt to the upset of restriction driver's cabin guarantees its rotation angle.
In one embodiment, the preset position is set to the position of the cab when a hydraulic ram for driving the cab to roll is in the extreme position. Through setting the preset position, the hydraulic oil cylinder can be effectively protected, and the condition that the oil cylinder is pulled out or fails is avoided. Namely, the overturn limiting device 100 of the present embodiment can be used as a secondary limiting protection structure for failure of the oil cylinder when the cab overturns.
Fig. 3 is an exploded view of the turnover limiting device according to an embodiment of the present invention. In another embodiment, as shown in fig. 3, the roll-over limiting device 100 further comprises a swing arm bracket assembly 40 supported between the frame 300 of the heavy truck and the front suspension stabilizer bar assembly 10. The front suspension stabilizer bar assembly 10 is provided with a first mounting hole group 101, the swing arm bracket assembly 40 is provided with a second mounting hole group (not shown) aligned with the first mounting hole group 101, the overturning limiting structure 30 is provided with a third mounting hole group 301 aligned with at least two mounting holes in the first mounting hole group 101, and the overturning limiting structure 30 and the swing arm bracket assembly 40 are fixedly connected to the front suspension stabilizer bar assembly 10 through a fastener 50 penetrating through the third mounting hole group 301, the first mounting hole group 101 and the second mounting hole group. The fastener 50 may be a bolt and nut assembly.
That is, in the present embodiment, since the mounting holes (i.e., the first mounting hole group 101 and the second mounting hole group) of the swing arm bracket assembly 40 and the front suspension bar assembly 10 are used as the mounting holes (i.e., the third mounting hole group 301) of the roll-over stopper 100, it is not necessary to specially add mounting members to the roll-over stopper 100, and therefore, the mounting attachment and the mounting process are saved, and the cost can be saved. Further, because the installation of the turnover limiting device 100 does not need to change the original structure, the generalization of the system components is not affected, and the turnover limiting device 100 can also be used as an optional structure and installed according to requirements.
In one embodiment, as shown in fig. 1, the front suspension upper bracket assembly 20 includes a front suspension left upper bracket 21 and a front suspension right upper bracket 22, which are respectively fixed to both ends of the front suspension stabilizer bar assembly 10.
Alternatively, as shown in fig. 1, the swing arm bracket assembly 40 includes a left swing arm bracket 41 and a right swing arm bracket 42 respectively fixed to both ends of the front suspension bar assembly 10.
Optionally, as shown in fig. 1, the roll-over limiting device 100 further includes two damper assemblies 60, one end of each damper assembly is supported on the bottom end of the front suspension bar assembly 10, and the other end is fixedly connected to the frame 300. The damper assembly 60 may be integrated with a altimeter valve.
The utility model also provides a heavy truck, including driver's cabin, frame 300 that can overturn and the upset stop device 100 of any kind of above-mentioned. The overturn limiting device 100 is arranged between a cab and a frame 300 below the cab and is used for assisting in limiting the limit position of the overturn of the cab.
The heavy truck of this embodiment adds on the front suspension structure and has established upset limit structure 30, can be when the driver's cabin upset is to presetting the position the bracket assembly 20 on the front suspension of butt to the upset of restriction driver's cabin guarantees its rotation angle. Furthermore, the arrangement of the turnover limiting structure 30 can effectively protect the hydraulic oil cylinder and avoid the situation that the oil cylinder is pulled out or fails. Namely, the overturn limiting device 100 of the present embodiment can be used as a secondary limiting protection structure for failure of the oil cylinder when the cab overturns.
Further, in the present embodiment, since the mounting holes (i.e., the first mounting hole group 101 and the second mounting hole group) of the swing arm bracket assembly 40 and the front suspension bar assembly 10 are used as the mounting holes (i.e., the third mounting hole group 301) of the roll-over limiting device 100, it is not necessary to specially add mounting members to the roll-over limiting device 100, thereby saving the mounting connector and the mounting process and further saving the cost. Further, because the installation of the turnover limiting device 100 does not need to change the original structure, the generalization of the system components is not affected, and the turnover limiting device 100 can also be used as an optional structure and installed according to requirements.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (7)
1. A rollover limiting device for assisting in limiting the extreme position of a rollover of a cab of a heavy truck, comprising:
the front suspension stabilizer bar assembly is positioned below the cab;
a front suspension upper bracket assembly supported between the cab and the front suspension stabilizer bar assembly; and
the turnover limiting structure is fixed on the front suspension stabilizer bar assembly and is located close to the position of the joint of the front suspension upper bracket assembly and the front suspension stabilizer bar assembly, and the turnover limiting structure is configured to abut against the front suspension upper bracket assembly when the front suspension upper bracket assembly follows the cab to turn to a preset position so as to limit the turning angle of the front suspension upper bracket assembly.
2. The rollover stop according to claim 1,
the preset position is set to be the position of the cab when a hydraulic oil cylinder for driving the cab to overturn is at the limit position.
3. The rollover stop device according to claim 1 or 2, further comprising:
a swing arm bracket assembly supported between a frame of the heavy truck and the front suspension stabilizer bar assembly, wherein,
the front suspension stabilizer bar assembly is provided with a first mounting hole group, the swing arm support assembly is provided with a second mounting hole group aligned with the first mounting hole group, the overturning limiting structure is provided with a third mounting hole group aligned with at least two mounting holes in the first mounting hole group, the overturning limiting structure and the swing arm support assembly pass through a fastener the third mounting hole group the first mounting hole group and the second mounting hole group are fixedly connected with the front suspension stabilizer bar assembly.
4. The roll-over restraint device of claim 3 wherein the front suspension upper bracket assembly comprises:
and the front suspension upper left bracket and the front suspension upper right bracket are respectively fixed at two ends of the front suspension stabilizer bar assembly.
5. The tilt stop device of claim 4, wherein the swing arm bracket assembly comprises:
and the left swing arm support and the right swing arm support are respectively fixed at two ends of the front suspension stabilizer bar assembly.
6. The rollover stop according to claim 5, further comprising:
and one end of each shock absorber assembly is supported at the bottom end of the front suspension stabilizer bar assembly, and the other end of each shock absorber assembly is fixedly connected with the frame.
7. A heavy truck comprising a reversible cab, a frame and a roll-over restraint as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123539.0U CN210391350U (en) | 2019-07-17 | 2019-07-17 | Upset stop device and heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921123539.0U CN210391350U (en) | 2019-07-17 | 2019-07-17 | Upset stop device and heavy truck |
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| Publication Number | Publication Date |
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| CN210391350U true CN210391350U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921123539.0U Active CN210391350U (en) | 2019-07-17 | 2019-07-17 | Upset stop device and heavy truck |
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| CN (1) | CN210391350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889709A (en) * | 2022-06-20 | 2022-08-12 | 安徽江淮汽车集团股份有限公司 | Auxiliary safety structure for cab turning |
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2019
- 2019-07-17 CN CN201921123539.0U patent/CN210391350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889709A (en) * | 2022-06-20 | 2022-08-12 | 安徽江淮汽车集团股份有限公司 | Auxiliary safety structure for cab turning |
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Effective date of registration: 20211201 Address after: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. Patentee after: Zhejiang remote commercial vehicle R & D Co.,Ltd. Address before: Room 612, building 1, 1760 Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: GEELY SICHUAN COMMERCIAL VEHICLE Co.,Ltd. |