CN202923718U - Tail beam for full-trailer truck - Google Patents
Tail beam for full-trailer truck Download PDFInfo
- Publication number
- CN202923718U CN202923718U CN 201220660519 CN201220660519U CN202923718U CN 202923718 U CN202923718 U CN 202923718U CN 201220660519 CN201220660519 CN 201220660519 CN 201220660519 U CN201220660519 U CN 201220660519U CN 202923718 U CN202923718 U CN 202923718U
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- China
- Prior art keywords
- cross
- transom beam
- entablatrance
- connecting bore
- plate
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- 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.)
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Abstract
The utility model relates to a tail beam for a full-trailer truck. The tail beam comprises a tail beam, wherein the tail beam consists of an upper beam and a lower beam, and the upper beam is of a plate-shaped structural body with an L-shaped cross section; the lower beam is of a plate-shaped structural body with an L-shaped cross section, and the upper beam and the lower beam are overlapped together to form a plate-shaped structure with an U-shaped structural body; and trailer connecting holes are formed in overlapped parts of the upper beam and the lower beam, and are through holes which penetrate through the overlapped parts of the upper beam and the lower beam. The tail beam provided by the utility model has the beneficial effects of reducing the manufacturing difficulty and the manufacturing cost of the tail beam, and improving the structural strength of the tail beam.
Description
Technical field
The utility model relates to a kind of heavy-duty vehicle body frame structure for automotive, relates in particular to a kind of truck transom beam for entirely pulling.
Background technology
In prior art, be provided with transom beam for its vehicle frame afterbody of heavy motor vehicle of making tractor truck, transom beam is used for articulating trailer; Existing transom beam structure is individual layer integral type " U " type sheet metal component structure, and this structure needs large-scale forming mould to make, and processing drops into high, and bearing capacity is lower.
The utility model content
For the problem in background technology, the utility model proposes a kind of truck transom beam for entirely pulling, comprise transom beam, its improvement is: described transom beam is comprised of entablatrance and cross sill; Described entablatrance is the L-shaped plate-like structure of cross-sectional plane; Described cross sill is the L-shaped plate-like structure of cross-sectional plane; Entablatrance and cross sill are stacked together and form the plate-like structure that cross-sectional plane takes the shape of the letter U; The place, position, overlapping portion of entablatrance and cross sill is provided with and pulls connecting bore, and the described connecting bore of pulling is through hole, pulls the overlapping portion that connecting bore runs through entablatrance and cross sill.
After adopting aforementioned improved, transom beam can be assembled by the L shaped crossbeam of two volume less, due to the small volume of part, do not need large-scale forming mould, reduced manufacture difficulty and cost of manufacture, simultaneously, the structure of pulling the connecting bore position is converted into double-decker by original single layer structure, has improved the structural strength of pulling the connecting bore position, makes the load-carrying capacity of transom beam obtain enhancing, improve vehicle performance, guaranteed the structural stability between tractor truck and trailer.
In order further to improve the structural strength of pulling the connecting bore position on transom beam, the utility model has also been done following improvement: be provided with external reinforcing plate for car on the lateral surface at the place, position, overlapping portion of entablatrance and cross sill, external reinforcing plate for car is the plate-like structure that cross-sectional plane takes the shape of the letter U, external reinforcing plate for car is with entablatrance and cross sill double team, be provided with the first connecting bore on external reinforcing plate for car, the first connecting bore with pull the connecting bore uniform cross section and overlap each other.External reinforcing plate for car with entablatrance and cross sill double team interior, further improved the connective stability between entablatrance and cross sill, simultaneously, the setting of external reinforcing plate for car also makes the structure of pulling the connecting bore position be further converted to three-layer structure, and the structure intensity of pulling the connecting bore position is further got a promotion.
In order further to improve the structural strength of pulling the connecting bore position on transom beam, also interior brace panel can be set on transom beam, concrete scheme is: be provided with interior brace panel on the medial surface at the place, position, overlapping portion of entablatrance and cross sill, interior brace panel is the plate-like structure that cross-sectional plane takes the shape of the letter U, the lateral surface of interior brace panel contacts entirely with the medial surface of transom beam, be provided with the second connecting bore on interior brace panel, the second connecting bore with pull the connecting bore uniform cross section and overlap each other.Interior brace panel and external reinforcing plate for car can adopt or independent the setting simultaneously, when only selecting one when arranging in interior brace panel and external reinforcing plate for car, can make the structure formation three-layer structure of pulling the connecting bore position, when interior brace panel and external reinforcing plate for car use simultaneously, can make the structure of pulling the connecting bore position form the four-layer structure body.
Same as the prior art, transom beam of the present utility model still adopts existing connection mode to be connected with longeron, and concrete connection mode is: transom beam two ends respectively by left link span be connected link span and be connected with the chassis side rail of both sides; Described left link span is comprised of two blocks of wing plates and connecting panel; Two blocks of wing plates are arranged at respectively the two ends of connecting panel, and two blocks of wing plates are parallel to each other; Two blocks of wing plates and connecting panel are integral structure, and two blocks of wing plates and the formed structure of connecting panel are the plate-like structure that cross-sectional plane takes the shape of the letter U; The medial surface of two blocks of wing plates is connected with downside with the upper side of transom beam end respectively; The lateral surface of connecting panel is connected with the medial surface of chassis side rail; Described right link span structure and left link span are symmetrical.
In order to strengthen the Joint strenght between transom beam and chassis side rail, the utility model has been done following improvement: described wing plate cross-sectional plane is that trapezoidal, trapezoidal upper base width is more than or equal to the transom beam width; Described connecting panel width is more than or equal to the trapezoidal width of going to the bottom; The trapezoidal width of going to the bottom is greater than trapezoidal upper base width; Trapezoidal lower bottom is connected with connecting panel.On wing plate with the width of transom beam junction less than with the width of longeron junction, this just can be with the Force decomposition of transom beam to larger plane of action, from reducing the application force in unit area on longeron, guarantee to strengthen the structural stability between transom beam and chassis side rail.
With in prior art in the same manner, the utility model also at place, the position, overlapping portion of entablatrance and cross sill, pull on the structure of the connecting bore left and right sides and respectively be provided with an auxiliary connecting bore, two auxiliary connecting bores and be connected connecting bore for being connected with the structure matching of pulling on trailer.
Useful technique effect of the present utility model is: reduced manufacture difficulty and the cost of manufacture of transom beam, improved the structural strength of transom beam.
Description of drawings
Fig. 1, transom beam structural representation of the present utility model;
Fig. 2, transom beam structure exploded view of the present utility model;
Fig. 3, the structural representation when being provided with inside and outside brace panel;
Fig. 4, the exploded view when being provided with inside and outside brace panel;
Fig. 5, right connecting board structure schematic diagram;
Fig. 6, left connecting board structure schematic diagram;
Fig. 7, integral structure schematic diagram of the present utility model;
Fig. 8, integral structure exploded view of the present utility model;
The mounting structure schematic diagram of Fig. 9, the utility model and chassis side rail, in figure, structure shown in mark C is chassis side rail.
The specific embodiment
A kind of truck transom beam for entirely pulling comprises transom beam, and its improvement is: described transom beam is comprised of entablatrance 1 and cross sill 2; Described entablatrance 1 is the L-shaped plate-like structure of cross-sectional plane; Described cross sill 2 is the L-shaped plate-like structure of cross-sectional plane; Entablatrance 1 and cross sill 2 are stacked together and form the plate-like structure that cross-sectional plane takes the shape of the letter U; The place, position, overlapping portion of entablatrance 1 and cross sill 2 is provided with and pulls connecting bore 7, and the described connecting bore 7 of pulling pulls for through hole the overlapping portion that connecting bore 7 runs through entablatrance 1 and cross sill 2.
Further, be provided with external reinforcing plate for car 3 on the lateral surface at the place, position, overlapping portion of entablatrance 1 and cross sill 2, the plate-like structure that external reinforcing plate for car 3 takes the shape of the letter U for cross-sectional plane, external reinforcing plate for car 3 is with entablatrance 1 and cross sill 2 double teams, be provided with the first connecting bore on external reinforcing plate for car 3, the first connecting bore with pull connecting bore 7 uniform cross sections and overlap each other;
Further, be provided with interior brace panel 4 on the medial surface at the place, position, overlapping portion of entablatrance 1 and cross sill 2, the plate-like structure that interior brace panel 4 takes the shape of the letter U for cross-sectional plane, the lateral surface of interior brace panel 4 contacts entirely with the medial surface of transom beam, be provided with the second connecting bore on interior brace panel 4, the second connecting bore with pull connecting bore 7 uniform cross sections and overlap each other.
Further, the transom beam two ends respectively by left link span 5 be connected link span 6 and be connected with the chassis side rail of both sides; Described left link span 5 is comprised of two blocks of wing plates (as shown in the mark A in Fig. 5, Fig. 6) and connecting panel (as shown in the mark B in Fig. 5, Fig. 6); Two blocks of wing plates are arranged at respectively the two ends of connecting panel, and two blocks of wing plates are parallel to each other; Two blocks of wing plates and connecting panel are integral structure, and two blocks of wing plates and the formed structure of connecting panel are the plate-like structure that cross-sectional plane takes the shape of the letter U; The medial surface of two blocks of wing plates is connected with downside with the upper side of transom beam end respectively; The lateral surface of connecting panel is connected with the medial surface of chassis side rail; Described right link span 6 structures and left link span 5 symmetries.
Further, described wing plate cross-sectional plane is that trapezoidal, trapezoidal upper base width is more than or equal to the transom beam width; Described connecting panel width is more than or equal to the trapezoidal width of going to the bottom; The trapezoidal width of going to the bottom is greater than trapezoidal upper base width; Trapezoidal lower bottom is connected with connecting panel.
Further, the position, overlapping portion of entablatrance 1 and cross sill 2 place, pull on the structure of connecting bore 7 left and right sides and respectively be provided with an auxiliary connecting bore.
Claims (6)
1. one kind is used for the truck transom beam entirely pull, comprises transom beam, and it is characterized in that: described transom beam is comprised of entablatrance (1) and cross sill (2); Described entablatrance (1) is the L-shaped plate-like structure of cross-sectional plane; Described cross sill (2) is the L-shaped plate-like structure of cross-sectional plane; Entablatrance (1) and cross sill (2) are stacked together and form the plate-like structure that cross-sectional plane takes the shape of the letter U; The place, position, overlapping portion of entablatrance (1) and cross sill (2) is provided with and pulls connecting bore (7), and the described connecting bore (7) of pulling is through hole, pulls the overlapping portion that connecting bore (7) runs through entablatrance (1) and cross sill (2).
2. the truck transom beam for entirely pulling according to claim 1, it is characterized in that: be provided with external reinforcing plate for car (3) on the lateral surface at the place, position, overlapping portion of entablatrance (1) and cross sill (2), the plate-like structure that external reinforcing plate for car (3) takes the shape of the letter U for cross-sectional plane, external reinforcing plate for car (3) is with entablatrance (1) and cross sill (2) double team, external reinforcing plate for car is provided with the first connecting bore on (3), the first connecting bore with pull connecting bore (7) uniform cross section and overlap each other.
3. the truck transom beam for entirely pulling according to claim 1 and 2, it is characterized in that: be provided with interior brace panel (4) on the medial surface at the place, position, overlapping portion of entablatrance (1) and cross sill (2), the plate-like structure that interior brace panel (4) takes the shape of the letter U for cross-sectional plane, the lateral surface of interior brace panel (4) contacts entirely with the medial surface of transom beam, interior brace panel is provided with the second connecting bore on (4), the second connecting bore with pull connecting bore (7) uniform cross section and overlap each other.
4. the truck transom beam for entirely pulling according to claim 1 is characterized in that: transom beam two ends respectively by left link span (5) be connected link span (6) and be connected with the chassis side rail of both sides; Described left link span (5) is comprised of two blocks of wing plates and connecting panel; Two blocks of wing plates are arranged at respectively the two ends of connecting panel, and two blocks of wing plates are parallel to each other; Two blocks of wing plates and connecting panel are integral structure, and two blocks of wing plates and the formed structure of connecting panel are the plate-like structure that cross-sectional plane takes the shape of the letter U; The medial surface of two blocks of wing plates is connected with downside with the upper side of transom beam end respectively; The lateral surface of connecting panel is connected with the medial surface of chassis side rail; Described right link span (6) structure and left link span (5) symmetry.
5. the truck transom beam for entirely pulling according to claim 4 is characterized in that: described wing plate cross-sectional plane is that trapezoidal, trapezoidal upper base width is more than or equal to the transom beam width; Described connecting panel width is more than or equal to the trapezoidal width of going to the bottom; The trapezoidal width of going to the bottom is greater than trapezoidal upper base width; Trapezoidal lower bottom is connected with connecting panel.
6. the truck transom beam for entirely pulling according to claim 1 is characterized in that: the place, position, overlapping portion of entablatrance (1) and cross sill (2), pull on the structure of connecting bore (7) left and right sides and respectively be provided with an auxiliary connecting bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220660519 CN202923718U (en) | 2012-12-05 | 2012-12-05 | Tail beam for full-trailer truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220660519 CN202923718U (en) | 2012-12-05 | 2012-12-05 | Tail beam for full-trailer truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923718U true CN202923718U (en) | 2013-05-08 |
Family
ID=48213706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220660519 Expired - Lifetime CN202923718U (en) | 2012-12-05 | 2012-12-05 | Tail beam for full-trailer truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941879A (en) * | 2012-12-05 | 2013-02-27 | 上汽依维柯红岩商用车有限公司 | Truck tail beam used for overall pulling |
| CN106515857A (en) * | 2016-12-20 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Side-beam type automobile frame cross beam structure |
| CN109649495A (en) * | 2018-12-28 | 2019-04-19 | 陕西通家汽车股份有限公司 | Cabin crossbeam installation system in a kind of mini van |
-
2012
- 2012-12-05 CN CN 201220660519 patent/CN202923718U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941879A (en) * | 2012-12-05 | 2013-02-27 | 上汽依维柯红岩商用车有限公司 | Truck tail beam used for overall pulling |
| CN106515857A (en) * | 2016-12-20 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Side-beam type automobile frame cross beam structure |
| CN109649495A (en) * | 2018-12-28 | 2019-04-19 | 陕西通家汽车股份有限公司 | Cabin crossbeam installation system in a kind of mini van |
| CN109649495B (en) * | 2018-12-28 | 2024-01-12 | 陕西通家汽车股份有限公司 | Cabin crossbeam installing system in minibus |
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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 |
Granted publication date: 20130508 |
|
| CX01 | Expiry of patent term |