CN204548282U - There is the trailer of long wheelbase structure - Google Patents
There is the trailer of long wheelbase structure Download PDFInfo
- Publication number
- CN204548282U CN204548282U CN201520263007.2U CN201520263007U CN204548282U CN 204548282 U CN204548282 U CN 204548282U CN 201520263007 U CN201520263007 U CN 201520263007U CN 204548282 U CN204548282 U CN 204548282U
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- China
- Prior art keywords
- vehicle bridge
- front axle
- distance
- trailer
- rear axle
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- 239000000295 fuel oil Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Vehicle Body Suspensions (AREA)
Abstract
The trailer with long wheelbase structure of the present utility model, comprises vehicle frame, and the below of vehicle frame is provided with multiple vehicle bridge, is characterised in that: the quantity of described vehicle bridge is more than 3 or 3, and front axle or rear axle are follow-up steering vehicle bridge; When front axle adopts follow-up steering vehicle bridge, the distance between front axle and middle part vehicle bridge is greater than the distance between middle part vehicle bridge and rear axle; When rear axle adopts follow-up steering vehicle bridge, the distance between front axle and middle part vehicle bridge is less than the distance between middle part vehicle bridge and rear axle.By front axle to be established or rear axle counts the follow-up steering vehicle bridge of being furnished with single tire, reduce turn radius, achieve car-backing function again; By arranging lifting mechanism, front axle being risen, being conducive to reducing friction, realizing fuel oil saving.Trailer of the present utility model, reduces the span between front axle and tractor truck, achieves the lightweight of vehicle frame, has both reduced fuel oil energy consumption, can deliver more article again, and beneficial effect is remarkable, is convenient to application.
Description
Technical field
The utility model relates to a kind of trailer with long wheelbase structure, and in particular, the distance particularly related between the vehicle bridge of a kind of front end is greater than or less than the trailer with long wheelbase structure of the spacing of rear end vehicle bridge.
Background technology
Trailer is divided into independent trailer and superimposed trailer from version, and independent trailer can rely on two groups of vehicle bridge (axle) before and after it to carry himself weight, and superimposed trailer only arranges below and organizes vehicle bridge more, and leading portion must be ridden on tractor truck by towing pin and just can carry out.The vehicle frame of independent trailer and superimposed trailer is made up of the longitudinal and cross beam be fixed together, especially for superimposed trailer, because the span between axle head vehicle bridge and the towing pin of front end is very large, in order to ensure the intensity of vehicle frame, certainly will require that the crossbeam forming vehicle frame has stronger anti-twist, anti-fatigue performance, like this, the crossbeam of vehicle frame forms compared with the Plate Welding of heavy thickness with regard to adopting, and makes the weight of formed vehicle frame very large.
Along with the requirement of trailer weight-saving, the drawback of current this large weight vehicle frame is more and more outstanding, and weight-saving trailer body, not only can reduce the destruction of road pavement, but also can carry more goods, also helps saving fuel oil, be benefit the more.Lightweight steel plate to be used on trailer, ensure its intensity again, corresponding improvement certainly will be carried out to existing trailer structure.As the patent No. be CN201010546066.8, denomination of invention is the patent of invention file of " trailer and full-trailer vehicle ", specifically disclose a kind of trailer being provided with servo-actuated vehicle bridge, although the follow-up bridge in this version trailer can be followed tractor truck and be turned, and reversing can be realized, but because the structure distribution form of vehicle bridge does not change, the requirement of body lightening can not be met.
Summary of the invention
The utility model, in order to overcome the shortcoming of above-mentioned technical matters, provides a kind of trailer with long wheelbase structure.
The trailer with long wheelbase structure of the present utility model, comprised vehicle frame that is fixing and supporting role, the top of vehicle frame is used for bearing goods, and the below of vehicle frame is provided with multiple vehicle bridge, and vehicle frame forms by chassis side rail with the crossbeam of its weld together; Its special feature is: the quantity of described vehicle bridge is more than 3 or 3, and front axle or rear axle are follow-up steering vehicle bridge; When front axle adopts follow-up steering vehicle bridge, the distance between front axle and middle part vehicle bridge is greater than the distance between middle part vehicle bridge and rear axle; When rear axle adopts follow-up steering vehicle bridge, the distance between front axle and middle part vehicle bridge is less than the distance between middle part vehicle bridge and rear axle.
Due to existing superimposed trailer axletree between distance all equal, this just makes vehicle bridge distance towing pin foremost comparatively far away, and in order to ensure the intensity of vehicle bridge, whole vehicle frame must adopt thicker steel plate, make the weight of whole vehicle frame very large, not easily realize the lightweight of trailer.When the spacing of middle part vehicle bridge and rear axle is constant, distance between front axle and middle part vehicle bridge is increased, front axle is just equivalent to move forward, shorten the distance between front axle and towing pin, when reducing vehicle frame steel plate thickness, the vehicle frame that intensity meets the demands can be made, and reduce the weight of vehicle frame, achieve the lightweight of vehicle frame, be conducive to delivering more goods.
The trailer with long wheelbase structure of the present utility model, when front axle adopts follow-up steering vehicle bridge, the distance between described front axle and middle part vehicle bridge is 1.5 ~ 3 times of the spacing of middle part vehicle bridge and rear axle.When rear axle adopts follow-up steering vehicle bridge, the distance between middle part vehicle bridge and rear axle is 1.5 ~ 3 times of distance between front axle and middle part vehicle bridge.Be preferably 2 times.
The trailer with long wheelbase structure of the present utility model, described front axle or rear axle are the follow-up steering vehicle bridge of being furnished with single tire, and all the other vehicle bridge are that the non-follow-up of joining twins turns to vehicle bridge.Front axle is set to servo-actuated vehicle bridge, makes the tire on front axle can turning to and rotate with vehicle body, whole trailer can be moveed backward, shorten turn radius again, reduce the wearing and tearing of tire simultaneously.
The trailer with long wheelbase structure of the present utility model, described front axle or rear axle are provided with lifting mechanism, control wheel tire and ground can be touched or be separated ordering about of front axle by lifting mechanism.When trailer is unloaded or when carrying cargo less, risen by front axle, reduce friction drag when front axle and earth surface by lifting mechanism, be conducive to reducing oil consumption.
The beneficial effects of the utility model are: the trailer with long wheelbase structure of the present utility model, by the distance between front axle and middle part vehicle bridge being designed to be greater than the distance between middle part vehicle bridge and rear axle, or the distance between middle part vehicle bridge and rear axle is designed to be greater than the distance between front axle and middle part vehicle bridge, between being preferably 1.5 ~ 3.0 times, effectively shorten the distance between front axle and towing pin, reduce the span between front axle and tractor truck, adopt the relatively thin steel plate of thickness can meet frame strength requirement, achieve the lightweight of vehicle frame, both fuel oil energy consumption had been reduced, more article can be delivered again, beneficial effect is remarkable, be convenient to application.
Further, by front axle or rear axle are designed to the follow-up steering vehicle bridge of being furnished with single tire, make front axle can turning to and rotate with vehicle frame, reduce the turn radius of vehicle, achieve again the car-backing function of trailer.By arranging the lifting mechanism that can order about front axle up-and-down movement, when vehicle being unloaded or when carrying cargo less, by being risen by front axle, make the tire on front axle and ground be separated, being conducive to reducing friction, realizing fuel oil saving.
Accompanying drawing explanation
Fig. 1 is the structural representation with the trailer of long wheelbase structure of the present utility model;
Fig. 2 is the structural representation of follow-up steering vehicle bridge in the utility model;
Fig. 3 is the block diagram of follow-up steering vehicle bridge in the utility model;
Fig. 4 is the cutaway view in A-A cross section in Fig. 2;
Fig. 5 is the cutaway view in B-B cross section in Fig. 2;
Fig. 6 is structural representation when front axle rises in the utility model.
In figure: 1 chassis side rail, 2 door-plates, 3 front axles, vehicle bridge in the middle part of in the of 4,5 rear axle, 6 towing pins, 7 supporting legs, 8 main shafts, 9 Linkage steerings, 10 tires.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
For trailer in the past, especially superimposed trailer, distance between the vehicle bridge of more than 3 of rear end or 3 is equal, and close together, this just makes the distance between vehicle bridge foremost and towing pin very large, in order to ensure the intensity of vehicle frame, plate iron must be adopted, thus cause the weight of whole vehicle frame self very large, reduce the weight carried cargo, be unfavorable for the lightweight requirements realizing trailer.
As shown in Figure 1, give the structural representation with the trailer of long wheelbase structure of the present utility model, it is made up of chassis side rail 1, front axle 3, middle part vehicle bridge 4, rear axle 5, vehicle frame forms by chassis side rail 1 and with the crossbeam of its weld together, vehicle frame can be flat truck, also can be Door panel vehicle or hurdle, storehouse car, if be hurdle, storehouse car, then the surrounding above vehicle frame is set to door-plate 2.The below of vehicle frame is provided with the vehicle bridge of more than 3 or 3, and for 3 vehicle bridge when, it is labeled as front axle 3, middle part vehicle bridge 4 and rear axle 5 respectively from front to back.
Shown distance between front axle 3 and middle part vehicle bridge 4 is greater than the distance between middle part vehicle bridge 4 and rear axle 5, and the distance between front axle 3 and middle part vehicle bridge is 1.5 ~ 3 times of the spacing of middle part vehicle bridge 4 and rear axle 5, is preferably 2 times.Like this, just shorten the distance between front axle 3 and towing pin 6, make the shorter spans between front axle 3 and tractor truck, adopt relatively thin steel plate to make vehicle frame and can meet requirement of strength, achieve the lightweight of vehicle, both be conducive to saving right wish, can deliver more goods again, beneficial effect is remarkable.
Because front axle 3 has moved forward relatively large distance, in order to ensure moving ahead smoothly and moveing backward of whole trailer, described front axle 3 adopts the follow-up steering vehicle bridge of joining single tire, at Ackermann steer angle, wheel belt on front axle 3 can turning to and rotate with vehicle, shorten turn radius, also can realize car-backing function simultaneously.
In order to increase the fuel saving of trailer further and reduce the friction force on tire and road surface, the lower end of vehicle frame is provided with the lifting mechanism that can control front axle 3 and be elevated, when carrying cargo, lifting mechanism orders about front axle 3 and drops to extreme lower position, tire on front axle 3 and earth surface, realize normal transport out of stock.When goods that is unloaded at trailer or delivery is few, lifting mechanism orders about front axle 3 and rises, and wheel belt and ground depart from.Shown in Fig. 6, give structural representation when front axle rises in the utility model, the tire now on front axle 3 and ground are separated, and are conducive to reducing the friction between tire and ground, realize energy-conservation.
Similarly, when rear axle 5 adopts follow-up steering vehicle bridge, distance between vehicle bridge 3 and middle part vehicle bridge 4 should be less than the distance between middle part vehicle bridge 4 and rear axle 5, and the distance between middle part vehicle bridge 4 and rear axle 5 is 1.5 ~ 3 times of the distance between front axle 3 and middle part vehicle bridge 4, is preferably 2 times.
As shown in Figures 2 and 3, give the structural representation of follow-up steering vehicle bridge in the utility model, shown in Fig. 4 and Fig. 5, give the structural representation in A-A cross section and B-B cross section in Fig. 2, shown follow-up steering vehicle bridge comprises main shaft 8 and Linkage steering 9, the wheel belt at two ends is fixed on main shaft 8 and Linkage steering 9 all rotationally, turns to trailer to realize tire.
The trailer with long wheelbase structure of the present utility model, by the distance between front axle and middle part vehicle bridge being designed to be greater than the distance between middle part vehicle bridge and rear axle, reduce the span between front axle and tractor truck, adopt the relatively thin steel plate of thickness can meet frame strength requirement, achieve the lightweight of vehicle frame, both reduced fuel oil energy consumption, more article can be delivered again, beneficial effect is remarkable, is convenient to application.
Claims (4)
1. have a trailer for long wheelbase structure, comprised vehicle frame that is fixing and supporting role, the top of vehicle frame is used for bearing goods, and the below of vehicle frame is provided with multiple vehicle bridge, and vehicle frame is by chassis side rail (1) and form with the crossbeam of its weld together; It is characterized in that: the quantity of described vehicle bridge is more than 3 or 3, front axle (3) or rear axle (5) are follow-up steering vehicle bridge; When front axle (3) adopts follow-up steering vehicle bridge, the distance between front axle (3) and middle part vehicle bridge (4) is greater than the distance between middle part vehicle bridge (4) and rear axle (5); When rear axle (5) adopts follow-up steering vehicle bridge, the distance between front axle (3) and middle part vehicle bridge (4) is less than the distance between middle part vehicle bridge (4) and rear axle (5).
2. the trailer with long wheelbase structure according to claim 1, it is characterized in that: when front axle (3) adopts follow-up steering vehicle bridge, the distance between described front axle (3) and middle part vehicle bridge (4) is 1.5 ~ 3 times of the spacing of middle part vehicle bridge (4) and rear axle (5); When rear axle (5) adopts follow-up steering vehicle bridge, the distance between middle part vehicle bridge (4) and rear axle (5) is 1.5 ~ 3 times of the spacing of front axle (3) and middle part vehicle bridge (4).
3. the trailer with long wheelbase structure according to claim 1 and 2, is characterized in that: described front axle (3) or rear axle (5) are for being furnished with the follow-up steering vehicle bridge of single tire, and all the other vehicle bridge are that the non-follow-up of joining twins turns to vehicle bridge.
4. the trailer with long wheelbase structure according to claim 1 and 2, it is characterized in that: described front axle (3) or rear axle (5) are provided with lifting mechanism, by lifting mechanism, ordering about of front axle (3) control wheel tire and ground can be touched or be separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263007.2U CN204548282U (en) | 2015-04-28 | 2015-04-28 | There is the trailer of long wheelbase structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263007.2U CN204548282U (en) | 2015-04-28 | 2015-04-28 | There is the trailer of long wheelbase structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204548282U true CN204548282U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263007.2U Active CN204548282U (en) | 2015-04-28 | 2015-04-28 | There is the trailer of long wheelbase structure |
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| Country | Link |
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| CN (1) | CN204548282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235075A (en) * | 2017-06-21 | 2017-10-10 | 扬州市伏尔坎机械制造有限公司 | Corner control mechanism after a kind of semitrailer that can be accurately oriented to |
| CN113525211A (en) * | 2021-07-20 | 2021-10-22 | 中国重汽集团济南动力有限公司 | Intelligent snow wax vehicle |
-
2015
- 2015-04-28 CN CN201520263007.2U patent/CN204548282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235075A (en) * | 2017-06-21 | 2017-10-10 | 扬州市伏尔坎机械制造有限公司 | Corner control mechanism after a kind of semitrailer that can be accurately oriented to |
| CN113525211A (en) * | 2021-07-20 | 2021-10-22 | 中国重汽集团济南动力有限公司 | Intelligent snow wax vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190801 Address after: 272606 Caixi Section of Sanli Road, Xuji Industrial Park, Liangshan County, Jining City, Shandong Province Patentee after: Liangshan Tonghua Special Purpose Vehicle Co., Ltd. Address before: 272600 Quanpu Economic Development Zone, Liangshan County, Jining City, Shandong Province, Tonghua Trailer Manufacturing Co., Ltd. Patentee before: Qiu Chenggang |