CN204506393U - Portal frame type low floor bus steel spring front suspension structure - Google Patents
Portal frame type low floor bus steel spring front suspension structure Download PDFInfo
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- CN204506393U CN204506393U CN201520134791.7U CN201520134791U CN204506393U CN 204506393 U CN204506393 U CN 204506393U CN 201520134791 U CN201520134791 U CN 201520134791U CN 204506393 U CN204506393 U CN 204506393U
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- 239000000725 suspension Substances 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 9
- 239000010959 steel Substances 0.000 title claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 32
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 abstract description 19
- 238000009434 installation Methods 0.000 abstract description 9
- 239000006096 absorbing agent Substances 0.000 abstract description 8
- 230000035939 shock Effects 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
本实用新型公开了一种门桥式低地板公交车钢板弹簧前悬架结构，包括门桥式前悬架，还包括过渡板和U形前稳定杆，所述过渡板分别于门桥式前悬架左、右两侧的空气弹簧支撑安装面上安装，左、右钢板弹簧分别置于左、右过渡板并用弹簧压板压紧，左、右减震器总成的下端分别于左、右过渡板后部外侧的板体上安装；所述前稳定杆设于门桥式前悬架底部前方的左、右钢板弹簧之间，前稳定杆左、右杆体的后端通过吊杆总成连接在左、右过渡板前部内侧板体上设置的吊杆支架上。本实用新型可有效防止吊杆总成和前稳定杆与前车架之间产生的运动干涉，抗侧倾能力强，可避免地板凸起，提高了前稳定杆布置的通用性和乘坐舒适性，安装和维修方便。
The utility model discloses a steel plate spring front suspension structure of a gate bridge type low-floor bus, which comprises a gate bridge type front suspension, and also includes a transition plate and a U-shaped front stabilizer bar. The air springs on the left and right sides of the suspension are installed on the supporting installation surface. The left and right leaf springs are respectively placed on the left and right transition plates and pressed with spring pressure plates. The lower ends of the left and right shock absorber assemblies are respectively on the left and right Installed on the plate body outside the rear of the transition plate; the front stabilizer bar is arranged between the left and right leaf springs in front of the bottom of the portal bridge type front suspension, and the rear ends of the left and right rod bodies of the front stabilizer bar pass through the boom assembly Connect on the suspension rod support that is arranged on the inner board body of the front part of the left and right transition boards. The utility model can effectively prevent the movement interference between the suspension rod assembly and the front stabilizer bar and the front frame, has strong anti-rolling ability, can avoid floor protrusions, and improves the versatility of the front stabilizer bar arrangement and ride comfort , Easy to install and maintain.
Description
(一)技术领域：(1) Technical field:
本实用新型涉及车辆内部结构，具体为一种门桥式低地板公交车钢板弹簧前悬架结构。The utility model relates to the internal structure of a vehicle, in particular to a front suspension structure of a door-bridge type low-floor bus leaf spring.
(二)背景技术：(two) background technology:
我公司生产的一种低地板CNG公交车，为降低用户的使用成本，满足用户对过道宽度要求，前悬架采用了门桥式(两头高中间低的大落差桥)钢板弹簧结构，所述门桥式托板安装孔为空气弹簧悬架专用，其横向宽度小，不能直接安装钢板弹簧，必须采用过渡板才能安装，同时必须满足整车的最小转弯半径≤12M；除此之外，CNG气瓶安装在车顶正上方，导致前悬架增重1000KG。A low-floor CNG bus produced by our company, in order to reduce the user's cost of use and meet the user's requirements for the width of the aisle, the front suspension adopts a door-bridge type (high-difference bridge with two ends high and low in the middle) leaf spring structure. The mounting hole of the door bridge type support plate is specially used for the air spring suspension. Its lateral width is small, and the leaf spring cannot be directly installed. It must be installed with a transition plate. At the same time, it must meet the minimum turning radius of the vehicle ≤ 12M; in addition, CNG The gas cylinder is installed directly above the roof, resulting in an increase of 1000KG in the weight of the front suspension.
为提高整车的抗侧倾能力，必须安装前稳定杆，但门桥式结构比较特殊，按常规方式布置前稳定杆会与转向直拉杆产生运动干涉。In order to improve the anti-rolling ability of the whole vehicle, the front stabilizer bar must be installed, but the portal bridge structure is quite special, and the conventional arrangement of the front stabilizer bar will interfere with the movement of the steering rod.
(三)实用新型内容：(3) Contents of utility model:
为此，本实用新型提出了一种可满足设计要求(安装钢板弹簧和前稳定杆并满足整车最小转弯半径≤12M)的门桥式低地板公交车钢板弹簧前悬架结构。For this reason, the utility model proposes a leaf spring front suspension structure of a door bridge type low-floor bus that can meet the design requirements (leaf spring and front stabilizer bar are installed and the minimum turning radius of the vehicle is ≤ 12M).
本实用新型门桥式低地板公交车钢板弹簧前悬架结构，其技术方案包括门桥式前悬架，所不同的是还包括过渡板和U形前稳定杆，所述过渡板分别于门桥式前悬架左、右两侧的空气弹簧支撑安装面上安装，左、右钢板弹簧分别置于左、右过渡板上并用弹簧压板压紧，左、右减震器总成的下端分别于左、右过渡板后部外侧的板体上安装；所述前稳定杆设于门桥式前悬架底部前方的左、右钢板弹簧之间，前稳定杆左、右杆体的后端通过吊杆总成连接在左、右过渡板前部内侧板体上设置的吊杆支架上。The utility model of the door bridge type low floor bus leaf spring front suspension structure, its technical scheme includes the door bridge type front suspension, the difference is that it also includes a transition plate and a U-shaped front stabilizer bar, the transition plate is respectively connected to the door The air springs on the left and right sides of the bridge-type front suspension are installed on the supporting installation surfaces. The left and right leaf springs are respectively placed on the left and right transition plates and pressed with spring pressure plates. The lower ends of the left and right shock absorber assemblies are respectively It is installed on the plate outside the rear part of the left and right transition plates; the front stabilizer bar is arranged between the left and right leaf springs in front of the bottom of the portal bridge type front suspension, and the rear ends of the left and right bar bodies of the front stabilizer bar pass through The suspender assembly is connected on the suspender bracket arranged on the inner plate body at the front part of the left and right transition plates.
上述结构中，通过左、右过渡板扩大了左、右钢板弹簧的横向安装位置，通过前稳定杆低位的内缩结构(前稳定杆左、右杆体的间距小)设计，有效避开转向直拉杆。In the above structure, the lateral installation positions of the left and right leaf springs are expanded through the left and right transition plates, and the design of the retracted structure at the lower position of the front stabilizer bar (the distance between the left and right rod bodies of the front stabilizer bar is small) effectively avoids the steering straightness. tie rod.
本实用新型于前车架底部安装的结构为：左、右钢板弹簧的前、后两端分别通过钢板弹簧安装座于前车架左、右纵梁侧面安装；左、右减震器总成的上端分别于前车厢轮罩下方安装；前稳定杆的前端横置杆体通过稳定杆支座于前车架底部安装。The structure of the utility model installed at the bottom of the front frame is as follows: the front and rear ends of the left and right leaf springs are respectively installed on the sides of the left and right longitudinal beams of the front frame through the leaf spring mounting seats; the left and right shock absorber assemblies The upper ends of the front compartment are respectively installed under the wheel housing; the front end of the front stabilizer bar is installed horizontally at the bottom of the front frame through the stabilizer bar support.
本实用新型的有益效果：The beneficial effects of the utility model:
1、本实用新型门桥式低地板公交车钢板弹簧前悬架结构简单，成本低，通用性强，解决了在门桥式前悬架上不能直接安装钢板弹簧的问题，适用于不同车型。1. The utility model has the advantages of simple structure, low cost and strong versatility, and solves the problem that the leaf spring cannot be directly installed on the front suspension of the portal bridge type low floor bus, and is suitable for different types of vehicles.
2、本实用新型结构可有效防止吊杆总成和前稳定杆与前车架之间产生的运动干涉，抗侧倾能力强，可避免车厢地板凸起，提高了前稳定杆布置的通用性和乘坐舒适性，安装和维修方便。2. The structure of the utility model can effectively prevent the movement interference between the suspension rod assembly and the front stabilizer bar and the front frame, has strong anti-rolling ability, can avoid the raised floor of the compartment, and improves the versatility of the arrangement of the front stabilizer bar And riding comfort, easy installation and maintenance.
(四)附图说明：(4) Description of drawings:
图1为本实用新型一种实施方式的结构主视图。Fig. 1 is a structural front view of an embodiment of the utility model.
图2为图1实施方式的俯视图。Fig. 2 is a top view of the embodiment of Fig. 1 .
图3为图1实施方式的侧视图。FIG. 3 is a side view of the embodiment of FIG. 1 .
图4为图1实施方式于前车架底部的安装图。Fig. 4 is an installation diagram of the embodiment shown in Fig. 1 at the bottom of the front frame.
图5为图4的俯视图。FIG. 5 is a top view of FIG. 4 .
图号标识：1、门桥式前悬架；2、过渡板；3、钢板弹簧；4、弹簧压板；5、前稳定杆；6、吊杆总成；7、减震器总成；8、钢板弹簧安装座；9、稳定杆支座；10、吊杆支架；11、前车架；12、前车厢；13、转向直拉杆。Drawing number identification: 1. Portal bridge type front suspension; 2. Transition plate; 3. Leaf spring; 4. Spring pressure plate; 5. Front stabilizer bar; 6. Suspension rod assembly; 7. Shock absorber assembly; 8 , Leaf spring mounting seat; 9, Stabilizer bar support; 10, Boom bracket; 11, Front frame; 12, Front compartment; 13, Steering straight rod.
(五)具体实施方式：(5) Specific implementation methods:
下面结合附图所示实施方式对本实用新型的技术方案作进一步说明。The technical solutions of the present utility model will be further described below in conjunction with the embodiments shown in the accompanying drawings.
本实用新型门桥式低地板公交车钢板弹簧前悬架结构包括门桥式前悬架1，以及基于门桥式前悬架1安装的过渡板2、钢板弹簧3、减震器总成7和前稳定杆5，所述门桥式前悬架1呈近似的U形状，U形段顶部两侧的门桥式前悬架1的架体上为供空气弹簧安装的支撑安装面，如图1所示。The steel plate spring front suspension structure of the gate bridge type low-floor bus of the utility model comprises a gate bridge type front suspension 1, and a transition plate 2 installed based on the gate bridge type front suspension 1, a leaf spring 3, and a shock absorber assembly 7 With the front stabilizer bar 5, the portal bridge type front suspension 1 is approximately U-shaped, and the frame body of the portal bridge type front suspension 1 on both sides of the top of the U-shaped section is a supporting mounting surface for air spring installation, such as Figure 1 shows.
用螺栓将左、右过渡板2于门桥式前悬架1的左、右支撑安装面上安装，所述过渡板2的面积大于支撑安装面，前后方向的左、右钢板弹簧3的中部分别置于左、右过渡板2上，并用弹簧压板4通过U型螺栓将钢板弹簧3夹紧在门桥式前悬架1上，左、右减震器总成7分别竖直设于夹紧位的左、右钢板弹簧3外侧后部，左、右减震器总成7的下端分别于左、右过渡板2后部外侧的板体上安装；所述前稳定杆5为小角度倾斜的U形杆体(前端高而后端低)，前稳定杆5设于左、右钢板弹簧3之间，其位置处于门桥式前悬架1前方，高度对应于门桥式前悬架1的U形段底部，前稳定杆5的左、右杆体后端位置对应于左、右过渡板2前部内侧，对应位置的左、右过渡板2底部用螺栓安装向内伸出的左、右吊杆支架10，前稳定杆5左、右杆体的后端分别通过左、右吊杆总成6连接在左、右吊杆支架10上，前稳定杆5所处位置有效避让开了转向直拉杆13，如图1、图2、图3、图4、图5所示。Install the left and right transition plates 2 on the left and right support installation surfaces of the portal bridge type front suspension 1 with bolts, the area of the transition plates 2 is larger than the support installation surfaces, and the middle of the left and right leaf springs 3 They are respectively placed on the left and right transition plates 2, and the leaf spring 3 is clamped on the portal bridge type front suspension 1 by the spring pressure plate 4 through U-shaped bolts, and the left and right shock absorber assemblies 7 are vertically arranged on the clamp respectively. The left and right leaf springs 3 outer rear parts of the tight position, the lower ends of the left and right shock absorber assemblies 7 are respectively installed on the plates outside the left and right transition plates 2 rear parts; the front stabilizer bar 5 is a small angle Inclined U-shaped rod body (the front end is high and the rear end is low), the front stabilizer bar 5 is arranged between the left and right leaf springs 3, its position is in front of the portal bridge type front suspension 1, and its height corresponds to the portal bridge type front suspension 1 At the bottom of the U-shaped section of the front stabilizer bar 5, the positions of the left and right rod rear ends of the front stabilizer bar 5 correspond to the inner sides of the front part of the left and right transition plates 2, and the left and right transition plates 2 bottoms of the corresponding positions are installed with bolts protruding inward. Right boom support 10, the rear ends of the front stabilizer bar 5 left and right rod bodies are respectively connected to the left and right boom brackets 10 through the left and right boom assemblies 6, and the position of the front stabilizer bar 5 effectively avoids turning Straight tie rod 13, as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5.
如图4、图5所示，本实用新型于前车架11底部的安装方式为：As shown in Figure 4 and Figure 5, the installation method of the utility model at the bottom of the front vehicle frame 11 is:
1、左钢板弹簧3的前、后端分别通过前、后钢板弹簧安装座8安装于前车架11左纵梁左侧，右钢板弹簧3的前、后端分别通过前、后钢板弹簧安装座8安装于前车架11右纵梁右侧。1. The front and rear ends of the left leaf spring 3 are respectively installed on the left side of the left longitudinal beam of the front frame 11 through the front and rear leaf spring mounting seats 8, and the front and rear ends of the right leaf spring 3 are respectively installed through the front and rear leaf springs Seat 8 is installed on the right side of front vehicle frame 11 right longitudinal beams.
2、前稳定杆5前端的横置杆体(左、右方向)通过左、右稳定杆支座9安装于前车架11底部的前方位置。2. The horizontal bar body (left and right directions) at the front end of the front stabilizer bar 5 is installed on the front position at the bottom of the front vehicle frame 11 through the left and right stabilizer bar bearings 9 .
3、左、右减震器总成7的上端分别安装在前车厢(12)轮罩下方。3. The upper ends of the left and right shock absorber assemblies 7 are installed below the front compartment (12) wheel housing respectively.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134791.7U CN204506393U (en) | 2015-03-09 | 2015-03-09 | Portal frame type low floor bus steel spring front suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134791.7U CN204506393U (en) | 2015-03-09 | 2015-03-09 | Portal frame type low floor bus steel spring front suspension structure |
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| Publication Number | Publication Date |
|---|---|
| CN204506393U true CN204506393U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520134791.7U Expired - Lifetime CN204506393U (en) | 2015-03-09 | 2015-03-09 | Portal frame type low floor bus steel spring front suspension structure |
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| CN (1) | CN204506393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218337A (en) * | 2016-08-29 | 2016-12-14 | 安徽安凯汽车股份有限公司 | A kind of for two grades of full front suspensions carrying city bus of marking time |
-
2015
- 2015-03-09 CN CN201520134791.7U patent/CN204506393U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218337A (en) * | 2016-08-29 | 2016-12-14 | 安徽安凯汽车股份有限公司 | A kind of for two grades of full front suspensions carrying city bus of marking time |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150729 |