CN203047358U - Caravan chassis - Google Patents
Caravan chassis Download PDFInfo
- Publication number
- CN203047358U CN203047358U CN 201220660090 CN201220660090U CN203047358U CN 203047358 U CN203047358 U CN 203047358U CN 201220660090 CN201220660090 CN 201220660090 CN 201220660090 U CN201220660090 U CN 201220660090U CN 203047358 U CN203047358 U CN 203047358U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- chassis
- caravan
- frame
- longerons
- 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.)
- Expired - Lifetime
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model relates to a caravan chassis which comprises the following components: a frame, a trailer connector, at least two wheels, an axle, a steel plate base and a steel plate spring. The steel plate spring is connected with the steel plate base. The wheels are equipped at two ends of the axle. The frame comprises two parallel longitudinal beams and a three-leg support. The two longitudinal beams are symmetrically fixed above the axle through the steel plate base. The top point of the three-leg support is provided with the trailer connector. The bottom ends of two side edges are respectively connected with one end of each of the two longitudinal beams. The longitudinal beams are obtained through connecting cold-formed lipped channel steel. Furthermore the outer diameter of the cross section of each longitudinal beam gradually reduces from the axle part to two ends. The caravan chassis has a simple structure. The longitudinal beams of the frame are obtained through welding the variable-cross-section cold-formed lipped channel steel, and a traditional complicated structure form is replaced. Furthermore flange punched holes are equipped through hole punching on the flange of the longitudinal beams. Not only is overall weight of the frame reduced effectively, but also the structural strength of the frame can be improved.
Description
Technical field
The utility model belongs to automotive field, is specifically related to a kind of caravan chassis.
Background technology
Existing caravan chassis structure is assembled by trailer adaptor union 1, track adjusting wheel 2, vehicle frame 3, supporting leg 5 and suspension referring to Fig. 1, the weight of carrying caravan.
The trailer adaptor union is used for connecting tractor truck and caravan; Track adjusting wheel is used for the short range movable limousine; The effect of supporting leg is to keep the caravan balance after caravan is parked.
The vehicle frame on existing caravan chassis has following shortcoming:
1. complex procedures, the cost height;
2. the many places welding easily causes frame deformation;
3. heat dip zinc treating easily causes frame deformation; Weight is too heavy.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, not yielding, the lightweight caravan of vehicle frame chassis.
Concrete technical scheme of the present utility model is as follows:
A kind of caravan chassis comprises vehicle frame, trailer adaptor union, at least two wheels, vehicle bridge, steel plate seat and steel springs;
Described steel spring is connected on the steel plate seat;
Described wheel is installed in the two ends of vehicle bridge;
Described vehicle frame comprises two longerons that parallel and three-legged support, and two longerons are fixed on the top of vehicle bridge by steel plate seat symmetry, and the place, summit of three-legged support is equipped with the trailer adaptor union, and the bottom of its two sides connects an end of two longerons respectively;
Described longeron is formed by connecting by the clod wash lipped channel, and is positioned at the vehicle bridge part to two ends from longeron, and the external diameter in longeron cross section reduces gradually.
In order to increase the intensity of vehicle frame, be provided with at least one crossbeam between two longerons, described crossbeam is vertical with longeron.
In order to increase the intensity of longeron, described longeron is interval with at least two flange punchings along its length direction.
This caravan chassis also comprises bumper, and an end of bumper is connected with vehicle bridge, and its other end is connected with vehicle frame.
This caravan chassis also comprises track adjusting wheel, and track adjusting wheel is installed on wherein side of three-legged support.
This caravan chassis comprises that also an end of at least two supporting legs, described supporting leg is rotatably connected on two longerons; When car stops, bracing frame is rotated into vertical with vehicle frame, the weight of auxiliary carrying caravan.
The utility model is simple in structure, and its chassis side rail adopts variable section clod wash lipped channel to be welded, and has replaced the version of complexity in the past; And take the mode of flange punching to join at longeron and overturn the limit punching, both can effectively alleviate the vehicle frame overall weight, can strengthen its structural strength again.The utility model adds the weldering crossbeam in the vehicle frame appropriate location, can increase the stable shape of vehicle frame under the situation of not sacrificing weight, can effectively reduce again because the frame deformation that welding and heat dip zinc treating cause.
Description of drawings
Fig. 1 is the front view on caravan chassis in the prior art;
Fig. 2 is the birds-eye view after the removal track adjusting wheel among Fig. 1;
Fig. 3 is front view of the present utility model;
Fig. 4 is the birds-eye view after the removal track adjusting wheel among Fig. 3;
Fig. 5 is the front view of chassis side rail.
Wherein: 1-trailer adaptor union, 2-track adjusting wheel, 3-vehicle frame, 4-steel spring, 5-supporting leg, 6-wheel, 7-snubber chain, 8-A shape frame, 9-underframe, 10-bumper, 11-vehicle bridge, 12-three-legged support, 13-longeron, 14-crossbeam, the punching of 15-flange.
The specific embodiment
Further specify the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, a kind of caravan chassis comprises vehicle frame 3, trailer adaptor union 1,4 wheels 6, two vehicle bridge 11, steel plate seat and steel springs 4; Steel spring 4 is connected on the steel plate seat; 4 wheels 6 are installed in the two ends of two vehicle bridge 11.Vehicle frame 3 comprises two longerons that parallel 13 and three-legged support 12, two longerons 13 are fixed on the top of two vehicle bridge 11 by steel plate seat symmetry, the steel plate seat is welded on the positive lower end of vehicle frame 3 longerons 13, the place, summit of three-legged support 12 is equipped with trailer adaptor union 1, three-legged support 12 also is provided with snubber chain 7 with the junction of trailer adaptor union 1, and the bottom of two sides of three-legged support 12 connects an end of two longerons 13 respectively; Longeron 13 is formed by connecting by the clod wash lipped channel, and is positioned at vehicle bridge 11 parts to two ends from longeron 13, and the external diameter in longeron 13 cross sections reduces gradually; Longeron 13 is interval with at least two flange punchings 15 along its length direction.It is all vertical with longeron 13 to be provided with 14,3 crossbeams 14 of 3 crossbeams between two longerons.
This caravan chassis also comprises bumper 10, track adjusting wheel 2 and 4 supporting legs 5; One end of bumper 10 is connected with vehicle bridge 11, and its other end is connected with vehicle frame 3; Track adjusting wheel 2 is installed on wherein side of three-legged support 12; 4 supporting legs 5 are symmetricly set on two longerons 13, and an end of supporting leg 5 is rotatably connected on two longerons 13; When car stops, bracing frame is rotated into vertical with vehicle frame, the weight of auxiliary carrying caravan.
Claims (6)
1. a caravan chassis comprises vehicle frame, trailer adaptor union, at least two wheels, vehicle bridge, steel plate seat and steel springs;
Described steel spring is connected on the steel plate seat;
Described wheel is installed in the two ends of vehicle bridge;
Described vehicle frame comprises two longerons that parallel and three-legged support, and two longerons are fixed on the top of vehicle bridge by steel plate seat symmetry, and the place, summit of three-legged support is equipped with the trailer adaptor union, and the bottom of its two sides connects an end of two longerons respectively;
It is characterized in that described longeron is formed by connecting by the clod wash lipped channel, and be positioned at the vehicle bridge part to two ends from longeron, the external diameter in longeron cross section reduces gradually.
2. caravan according to claim 1 chassis is characterized in that being provided with at least one crossbeam between two longerons, and described crossbeam is vertical with longeron.
3. caravan according to claim 2 chassis is characterized in that described longeron is interval with at least two flange punchings along its length direction.
4. caravan according to claim 3 chassis is characterized in that also comprising bumper, and an end of bumper is connected with vehicle bridge, and its other end is connected with vehicle frame.
5. caravan according to claim 4 chassis is characterized in that also comprising that track adjusting wheel, track adjusting wheel are installed on wherein side of three-legged support.
6. according to each described caravan chassis of claim 1 to 5, it is characterized in that an end that also comprises at least two supporting legs, described supporting leg is rotatably connected on two longerons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220660090 CN203047358U (en) | 2012-12-05 | 2012-12-05 | Caravan chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220660090 CN203047358U (en) | 2012-12-05 | 2012-12-05 | Caravan chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203047358U true CN203047358U (en) | 2013-07-10 |
Family
ID=48730342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220660090 Expired - Lifetime CN203047358U (en) | 2012-12-05 | 2012-12-05 | Caravan chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203047358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882753A (en) * | 2014-10-06 | 2016-08-24 | 山东九州汽车制造有限公司 | Semitrailer longitudinal beam |
| CN107380262A (en) * | 2017-08-23 | 2017-11-24 | 山东博世房车科技有限公司 | Full aluminium caravan chassis frame |
| CN113002627A (en) * | 2020-12-15 | 2021-06-22 | 江苏德发房车科技有限公司 | Shock attenuation girder |
-
2012
- 2012-12-05 CN CN 201220660090 patent/CN203047358U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882753A (en) * | 2014-10-06 | 2016-08-24 | 山东九州汽车制造有限公司 | Semitrailer longitudinal beam |
| CN107380262A (en) * | 2017-08-23 | 2017-11-24 | 山东博世房车科技有限公司 | Full aluminium caravan chassis frame |
| CN113002627A (en) * | 2020-12-15 | 2021-06-22 | 江苏德发房车科技有限公司 | Shock attenuation girder |
| CN113002627B (en) * | 2020-12-15 | 2022-05-13 | 江苏德发房车科技有限公司 | Shock attenuation girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |