CN208021562U - A kind of commercial-vehicle cab rear-suspending system - Google Patents
A kind of commercial-vehicle cab rear-suspending system Download PDFInfo
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- CN208021562U CN208021562U CN201820477526.2U CN201820477526U CN208021562U CN 208021562 U CN208021562 U CN 208021562U CN 201820477526 U CN201820477526 U CN 201820477526U CN 208021562 U CN208021562 U CN 208021562U
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- 239000000725 suspension Substances 0.000 claims abstract description 100
- 238000009434 installation Methods 0.000 claims abstract description 31
- 239000006096 absorbing agent Substances 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 4
- 241001247986 Calotropis procera Species 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000013585 weight reducing agent Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
本实用新型提出了一种商用车驾驶室后悬置系统，包括左后悬置支架总成、右后悬置支架总成、横向连接梁，左后悬置支架总成与右后悬置上支座总成的结构对称，其改进是：横向连接梁与两个后悬置下支架铰接（便于装配和调整，利于驾驶室左、右振动的平衡）；横向连接梁是冲压件，后悬置下支架采用板料焊接而成；两个后悬置下支架的上端通过第一销轴及第一橡胶衬套铰接在横向连接梁的两端，两个后悬置液压锁安装支架的内端通过第二销轴及第二橡胶衬套铰接在横向连接梁的两端。本实用新型实现了通过弹簧液压复合减振器和复合橡胶衬套多次减振，提高了驾驶室的乘坐舒适性和运行工况安全性，并应用减重设计降低了汽车能耗。
The utility model proposes a rear suspension system of a commercial vehicle cab, which includes a left rear suspension bracket assembly, a right rear suspension bracket assembly, a transverse connecting beam, a left rear suspension bracket assembly and a right rear suspension upper The structure of the support assembly is symmetrical, and its improvement is: the transverse connecting beam is hinged with the two rear suspension lower brackets (easy to assemble and adjust, and conducive to the balance of left and right vibration of the cab); the transverse connecting beam is a stamping part, and the rear suspension The lower bracket is welded by sheet metal; the upper ends of the two rear suspension lower brackets are hinged to the two ends of the transverse connecting beam through the first pin shaft and the first rubber bushing, and the inner parts of the two rear suspension hydraulic lock installation brackets The ends are hinged to the two ends of the transverse connecting beam through the second pin shaft and the second rubber bushing. The utility model realizes multiple vibration reduction through the spring-hydraulic composite shock absorber and the composite rubber bushing, improves the riding comfort of the driver's cab and the safety of the operating condition, and reduces the energy consumption of the vehicle by applying the weight reduction design.
Description
技术领域technical field
本实用新型属于商用车驾驶室悬置系统，其用于商用车驾驶室，连接驾驶室和车架，尤其是一种商用车驾驶室后悬置系统。The utility model belongs to a suspension system for a cab of a commercial vehicle, which is used for the cab of a commercial vehicle to connect the cab and a vehicle frame, in particular to a rear suspension system of a cab of a commercial vehicle.
背景技术Background technique
汽车行驶过程中驾乘人员的乘坐舒适性和安全稳定性及卡车的驾乘舒适性实现小车化，整车质量轻量化，一直以来都是汽车行业及广大驾乘人员关注的重点，在商用车行业，传统上意义上的驾驶室后悬置大部份采用了橡胶衬套和铸件压合作为驾驶室和车架的连接件，但由于设计和制造的局限性，路面稍差就振动颠簸严重，已不能满足人们的要求，为了提高车辆的舒适性和缓解司机驾驶疲劳，以及缓冲路面传递的冲击，保护驾驶室主体，就要求在驾驶室和车架之间设置一浮动弹性减振连接支承装置。The ride comfort, safety and stability of the drivers and passengers during the driving process of the car and the driving comfort of the truck to realize the small car and the light weight of the whole vehicle have always been the focus of attention of the automotive industry and the majority of drivers and passengers. In commercial vehicles In the industry, most of the rear suspension of the cab in the traditional sense uses rubber bushings and casting press fit as the connection between the cab and the frame. , can no longer meet people's requirements. In order to improve the comfort of the vehicle and relieve the driver's driving fatigue, as well as buffer the impact transmitted by the road surface and protect the main body of the cab, a floating elastic damping connection support is required between the cab and the frame. device.
目前我国越来越多的商用车，特别是重型车采用了全浮式驾驶室悬置连接机构，但是在本行业中很多企业基于成本和制造难度考虑仍采用橡胶弹性垫作为弹性元件，机械弹性虽然结构简单、技术成熟，但其隔振效果并不理想，且结构设计不理想，机构重量大幅度增加。为此，人们将关注的焦点转向弹簧减振装置及改进结构设计的全浮式四点悬置系统。At present, more and more commercial vehicles in my country, especially heavy-duty vehicles, have adopted the full-floating cab suspension connection mechanism, but many companies in this industry still use rubber elastic pads as elastic components based on cost and manufacturing difficulties. Although the structure is simple and the technology is mature, its vibration isolation effect is not ideal, and the structural design is not ideal, and the weight of the mechanism is greatly increased. For this reason, people turn the focus of attention to the spring damping device and the fully floating four-point suspension system with improved structural design.
发明内容Contents of the invention
本发明的目的是针对现有技术中存在的上述问题，提供了一种商用车驾驶室后悬置系统，以弹簧液压复合减振器和橡胶衬套作为弹性元件，隔振效果佳、机构结构更合理，驾乘舒适稳定更性好；并且实现轻量化的目的。The purpose of the present invention is to solve the above-mentioned problems in the prior art, and provide a rear suspension system for the cab of a commercial vehicle, which uses a spring-hydraulic composite shock absorber and a rubber bush as the elastic element, which has good vibration isolation effect and excellent mechanical structure. More reasonable, better driving comfort and stability; and achieve the purpose of lightweight.
为解决上述技术问题，本发明的技术方案是：一种商用车驾驶室后悬置系统，其用于商用车驾驶室，连接驾驶室和车架，包括左后悬置支架总成、右后悬置支架总成、横向连接梁，左后悬置支架总成与右后悬置上支座总成的结构对称，分别包括后悬置上支架、后悬置下支架、弹簧液压复合减振器、液压锁、后悬置液压锁安装支架，液压锁与后悬置液压锁安装支架固定连接，弹簧液压复合减振器设置在后悬置液压锁安装支架与后悬置下支架之间；安装时，后悬置上支架与驾驶室连接，后悬置下支架与车架连接；其特征在于：In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a commercial vehicle cab rear suspension system, which is used for commercial vehicle cabs, connects the cab and the vehicle frame, and includes a left rear suspension bracket assembly, a right rear The structure of the suspension bracket assembly, the transverse connecting beam, the left rear suspension bracket assembly and the right rear suspension upper support assembly are symmetrical, including the rear suspension upper bracket, the rear suspension lower bracket, and the spring-hydraulic compound vibration reduction device, hydraulic lock, rear suspension hydraulic lock installation bracket, the hydraulic lock is fixedly connected to the rear suspension hydraulic lock installation bracket, and the spring-hydraulic composite shock absorber is arranged between the rear suspension hydraulic lock installation bracket and the rear suspension lower bracket; During installation, the rear suspension upper bracket is connected with the cab, and the rear suspension lower bracket is connected with the vehicle frame; it is characterized in that:
横向连接梁是冲压件，后悬置下支架采用板料焊接而成；两个后悬置下支架的上端通过第一销轴铰接在横向连接梁的两端，第一销轴与横向连接梁的第一销轴安装孔之间安装有第一橡胶衬套；The transverse connecting beam is a stamping part, and the rear suspension lower bracket is welded by sheet metal; the upper ends of the two rear suspension lower brackets are hinged to the two ends of the transverse connecting beam through the first pin shaft, and the first pin shaft and the transverse connecting beam A first rubber bush is installed between the first pin shaft installation holes;
两个后悬置液压锁安装支架的内端通过第二销轴铰接在横向连接梁的两端，第二销轴与横向连接梁的第二销轴安装孔之间安装有第二橡胶衬套。The inner ends of the two rear suspension hydraulic lock installation brackets are hinged to both ends of the transverse connecting beam through the second pin shaft, and a second rubber bushing is installed between the second pin shaft and the second pin shaft mounting hole of the transverse connecting beam .
对上述技术方案的进一步限定：弹簧液压复合减振器的上下两端通过第三销轴、第四销轴铰接在后悬置液压锁安装支架与后悬置下支架之间，第三销轴与后悬置液压锁安装支架的第三销轴安装孔之间安装有第三橡胶衬套，第四销轴与后悬置下支架的第四销轴安装孔之间安装有第四橡胶衬套。Further limitations on the above technical solution: the upper and lower ends of the spring-hydraulic composite shock absorber are hinged between the rear suspension hydraulic lock mounting bracket and the rear suspension lower bracket through the third pin shaft and the fourth pin shaft, and the third pin shaft A third rubber bush is installed between the third pin shaft installation hole of the rear suspension hydraulic lock installation bracket, and a fourth rubber bush is installed between the fourth pin shaft and the fourth pin shaft installation hole of the rear suspension lower bracket set.
对上述技术方案的再进一步限定：横向连接梁的横截面呈倒U形，横向连接梁的倒U形内腔沿长度方向设有多个呈一定间隔的加强筋；横向连接梁的上板面上沿长度方向设有多个呈一定间隔的U形贯通槽。The above technical solution is further limited: the cross section of the transverse connecting beam is inverted U-shaped, and the inverted U-shaped inner cavity of the transverse connecting beam is provided with a plurality of reinforcing ribs at certain intervals along the length direction; the upper surface of the transverse connecting beam A plurality of U-shaped through grooves at certain intervals are arranged along the length direction.
对上述技术方案的更进一步限定：后悬置上支架，包括后悬置上安装支架、侧托扳，侧托扳通过连接轴能转动的支撑在后悬置上安装支架的侧面，连接轴与后悬置上安装支架的安装孔之间设有第五橡胶衬套。The above-mentioned technical solution is further limited: the rear suspension upper bracket includes the rear suspension upper mounting bracket and the side bracket, and the side bracket is rotatably supported by the connecting shaft on the side of the rear suspension mounting bracket, and the connecting shaft and A fifth rubber bush is arranged between the mounting holes of the mounting bracket on the rear suspension.
本实用新型的有益效果：本实用新型实现了通过弹簧液压复合减振器和橡胶衬套多次减振，提高了驾驶室的乘坐舒适性和运行工况安全性，并应用减重设计降低了汽车能耗；横向连接梁与两个后悬置下支架铰接，便于装配和调整，利于驾驶室左、右振动的平衡，进一步提高驾驶室的乘坐舒适性。Beneficial effects of the utility model: the utility model realizes multiple vibration reduction through the spring-hydraulic composite shock absorber and the rubber bushing, improves the ride comfort of the cab and the safety of the operating condition, and reduces the Vehicle energy consumption; the transverse connecting beam is hinged with the two rear suspension lower brackets, which is convenient for assembly and adjustment, and is conducive to the balance of left and right vibration of the cab, further improving the ride comfort of the cab.
附图说明Description of drawings
图1为本实用新型的主视图。Fig. 1 is the front view of the utility model.
图2为本实用新型的左视图（省略了后悬置上支架）。Fig. 2 is a left view of the utility model (the rear suspension upper bracket is omitted).
图3是本实用新型中横向连接梁的主视图。Fig. 3 is a front view of the transverse connecting beam in the utility model.
图4是本实用新型中横向连接梁的俯视图。Fig. 4 is a top view of the transverse connecting beam in the utility model.
图5是本实用新型中横向连接梁的左视图。Fig. 5 is a left view of the transverse connecting beam in the utility model.
图6是本实用新型中后悬置上支架的主视图。Fig. 6 is a front view of the upper bracket of the rear suspension in the utility model.
图7是本实用新型中后悬置上支架的俯视图。Fig. 7 is a top view of the upper bracket of the rear suspension in the utility model.
图8是本实用新型中后悬置上支架的侧视图。Fig. 8 is a side view of the upper bracket of the rear suspension in the utility model.
具体实施方式Detailed ways
本实用新型中涉及的“第一、第二、第三、第四、第五”作为定语，仅是为了描述更清楚，不对技术特征起到限定作用。The "first, second, third, fourth, and fifth" involved in the present utility model are used as attributives only for clearer description and do not limit the technical features.
如图1-图2所示，进一步描述本实用新型如下：所述商用车驾驶室后悬置系统，其用于商用车驾驶室，连接驾驶室和车架，采用三维建模结合动态防真技术，以“弹簧液压复合减振器”和橡胶衬套作为弹性元件，且进行了轻量化设计，一种商用车驾驶室后悬置系统，其用于商用车驾驶室，连接驾驶室和车架，包括左后悬置支架总成1、右后悬置支架总成3、横向连接梁2，左后悬置支架总成与右后悬置上支座总成的结构对称；下面以左后悬置支架总成为主描述，包括后悬置上支架1-1、后悬置下支架1-7、弹簧液压复合减振器1-5、液压锁1-2、后悬置液压锁安装支架1-3，液压锁1-2与后悬置液压锁安装支架1-3固定连接（如图2所示，后悬置液压锁安装支架1-3包括两块安装板，从两侧夹住液压锁1-2，通过螺栓固定），弹簧液压复合减振器1-5设置在后悬置液压锁安装支架1-3与后悬置下支架1-7之间；安装时，后悬置上支架1-1与驾驶室连接，后悬置下支架1-7与车架连接；横向连接梁2是冲压件，后悬置下支架1-7采用板料焊接而成；后悬置下支架1-7的上端通过第一销轴1-8铰接在横向连接梁的一端，第一销轴1-8与横向连接梁2的第一销轴安装孔之间安装有第一橡胶衬套（图中简化表达，没有用标号示出）；后悬置液压锁安装支架1-3的内端通过第二销轴1-9铰接在横向连接梁的一端，第二销轴1-9与横向连接梁2的第二销轴安装孔之间安装有第二橡胶衬套（图中简化表达，没有用标号示出）。As shown in Figures 1-2, the utility model is further described as follows: the commercial vehicle cab rear suspension system, which is used for commercial vehicle cabs, connects the cab and the frame, and adopts three-dimensional modeling combined with dynamic anti-true Technology, using "spring-hydraulic composite shock absorber" and rubber bushing as elastic components, and lightweight design, a commercial vehicle cab rear suspension system, which is used in commercial vehicle cabs, connecting the cab and the vehicle frame, including the left rear suspension bracket assembly 1, the right rear suspension bracket assembly 3, and the transverse connecting beam 2. The structure of the left rear suspension bracket assembly and the right rear suspension upper support assembly is symmetrical; Rear suspension bracket assembly is the main description, including rear suspension upper bracket 1-1, rear suspension lower bracket 1-7, spring-hydraulic composite shock absorber 1-5, hydraulic lock 1-2, rear suspension hydraulic lock installation Bracket 1-3, hydraulic lock 1-2 is fixedly connected with rear suspension hydraulic lock installation bracket 1-3 (as shown in Figure 2, rear suspension hydraulic lock installation bracket 1-3 includes two installation plates, clamped from both sides The hydraulic lock 1-2 is fixed by bolts), the spring-hydraulic composite shock absorber 1-5 is set between the rear suspension hydraulic lock installation bracket 1-3 and the rear suspension lower bracket 1-7; during installation, the rear suspension The upper bracket 1-1 is connected with the cab, the rear suspension lower bracket 1-7 is connected with the vehicle frame; the transverse connecting beam 2 is a stamping part, and the rear suspension lower bracket 1-7 is welded by sheet metal; the rear suspension The upper end of the lower bracket 1-7 is hinged to one end of the transverse connecting beam through the first pin shaft 1-8, and a first rubber lining is installed between the first pin shaft 1-8 and the first pin shaft mounting hole of the transverse connecting beam 2 sleeve (simplified expression in the figure, not shown with a label); the inner end of the rear suspension hydraulic lock mounting bracket 1-3 is hinged at one end of the transverse connecting beam through the second pin shaft 1-9, and the second pin shaft 1-9 A second rubber bushing (simplified expression in the figure, not shown by a number) is installed between the second pin shaft installation hole of the transverse connecting beam 2 .
如图1所示，弹簧液压复合减振器的上下两端通过第三销轴1-4、第四销轴1-6铰接在后悬置液压锁安装支架1-3与后悬置下支架1-7之间，第三销轴1-4与后悬置液压锁安装支架的第三销轴安装孔之间安装有第三橡胶衬套（图中简化表达，没有用标号示出），第四销轴1-6与后悬置下支架的第四销轴安装孔之间安装有第四橡胶衬套（图中简化表达，没有用标号示出）。在弹簧液压复合减振器的上下两端的安装点设置橡胶衬套，可进一步提高减振效果。As shown in Figure 1, the upper and lower ends of the spring-hydraulic composite shock absorber are hinged to the rear suspension hydraulic lock installation bracket 1-3 and the rear suspension lower bracket through the third pin shaft 1-4 and the fourth pin shaft 1-6. 1-7, a third rubber bush is installed between the third pin shaft 1-4 and the third pin shaft installation hole of the rear suspension hydraulic lock installation bracket (simplified expression in the figure, not shown by the number), A fourth rubber bushing is installed between the fourth pin shaft 1-6 and the fourth pin shaft installation hole of the rear suspension lower bracket (simplified expression in the figure, not shown by a label). Rubber bushings are arranged at the installation points of the upper and lower ends of the spring-hydraulic composite shock absorber, which can further improve the shock-absorbing effect.
如图3-5所示，进一步描述横向连接梁2的结构，横向连接梁2的横截面呈倒U形，横向连接梁的倒U形内腔沿长度方向设有多个呈一定间隔的加强筋2-1，提高强度；横向连接梁的上板面上沿长度方向设有多个呈一定间隔的U形贯通槽，进一步减轻重量。As shown in Figure 3-5, the structure of the transverse connecting beam 2 is further described. The cross section of the transverse connecting beam 2 is inverted U-shaped, and the inverted U-shaped inner cavity of the transverse connecting beam is provided with a plurality of reinforcements at certain intervals along the length direction. The ribs 2-1 improve the strength; the upper plate of the transverse connecting beam is provided with a plurality of U-shaped through grooves at certain intervals along the length direction to further reduce the weight.
如图6-8所示的后悬置上支架1-1，包括后悬置上安装支架1-1-1、侧托扳1-1-2、侧托扳1-1-2通过连接轴能转动的支撑在后悬置上安装支架1-1-1的侧面，连接轴与后悬置上安装支架1-1-1的安装孔之间设有第五橡胶衬套1-1-4；这种设置，增加了后悬置上支架与驾驶室的安装面，保证连接可靠；通过第五橡胶衬套的设置，进一步减振。The rear suspension upper bracket 1-1 shown in Figure 6-8 includes the rear suspension upper mounting bracket 1-1-1, the side bracket 1-1-2, and the side bracket 1-1-2 through the connecting shaft The rotatable support is on the side of the mounting bracket 1-1-1 on the rear suspension, and the fifth rubber bushing 1-1-4 is arranged between the connecting shaft and the mounting hole of the mounting bracket 1-1-1 on the rear suspension ; This setting increases the mounting surface between the rear suspension upper bracket and the cab to ensure reliable connection; through the setting of the fifth rubber bushing, further vibration reduction.
本实用新型中，所述弹簧液压复合减振器，是筒式减振器与螺旋弹簧的集成；所述弹簧复合液压减振器中，螺旋弹簧同轴套装在筒式减振器的活塞杆上，通过筒式减振器的缸筒限位，从而把螺旋弹簧与筒式减振器集成为一体。In the utility model, the spring-hydraulic composite shock absorber is an integration of a cylindrical shock absorber and a coil spring; in the spring composite hydraulic shock absorber, the coil spring is coaxially set on the piston rod of the cylindrical shock absorber On the top, the coil spring and the cylindrical shock absorber are integrated through the cylinder limit of the cylindrical shock absorber.
上述实施方式仅为本实用新型的优选实施方式，不能以此来限定本实用新型保护的范围，本领域的技术人员在本实用新型的基础上所做的任何非实质性的变化及替换均属于本实用新型所要求保护的范围。The above-mentioned embodiments are only preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. The scope of protection required by the utility model.
此外，应当理解，本领域技术人员应当将本实用新型的说明书作为一个整体，各实施方式中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that those skilled in the art should take the description of the present utility model as a whole, and the technical solutions in the various embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477526.2U CN208021562U (en) | 2018-04-05 | 2018-04-05 | A kind of commercial-vehicle cab rear-suspending system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820477526.2U CN208021562U (en) | 2018-04-05 | 2018-04-05 | A kind of commercial-vehicle cab rear-suspending system |
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| Publication Number | Publication Date |
|---|---|
| CN208021562U true CN208021562U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820477526.2U Expired - Fee Related CN208021562U (en) | 2018-04-05 | 2018-04-05 | A kind of commercial-vehicle cab rear-suspending system |
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| CN (1) | CN208021562U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942589A (en) * | 2021-11-26 | 2022-01-18 | 东风商用车有限公司 | Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab |
| CN113942588A (en) * | 2021-11-26 | 2022-01-18 | 东风商用车有限公司 | Modularized and lightweight cab rear suspension device |
| CN116923572A (en) * | 2023-07-03 | 2023-10-24 | 一汽解放汽车有限公司 | Suspension bracket for vehicle cab and vehicle |
| RU222306U1 (en) * | 2023-10-11 | 2023-12-19 | Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Ростар" | REAR CAB SUSPENSION |
-
2018
- 2018-04-05 CN CN201820477526.2U patent/CN208021562U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942589A (en) * | 2021-11-26 | 2022-01-18 | 东风商用车有限公司 | Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab |
| CN113942588A (en) * | 2021-11-26 | 2022-01-18 | 东风商用车有限公司 | Modularized and lightweight cab rear suspension device |
| CN113942589B (en) * | 2021-11-26 | 2023-03-03 | 东风商用车有限公司 | Stamping tailor-welding type rear suspension lower bracket for rear suspension of cab |
| CN113942588B (en) * | 2021-11-26 | 2023-03-03 | 东风商用车有限公司 | Modularized and lightweight cab rear suspension device |
| CN116923572A (en) * | 2023-07-03 | 2023-10-24 | 一汽解放汽车有限公司 | Suspension bracket for vehicle cab and vehicle |
| RU222306U1 (en) * | 2023-10-11 | 2023-12-19 | Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Ростар" | REAR CAB SUSPENSION |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |