CN109955815A - Semitrailer and its rear - Google Patents
Semitrailer and its rear Download PDFInfo
- Publication number
- CN109955815A CN109955815A CN201711417574.9A CN201711417574A CN109955815A CN 109955815 A CN109955815 A CN 109955815A CN 201711417574 A CN201711417574 A CN 201711417574A CN 109955815 A CN109955815 A CN 109955815A
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- CN
- China
- Prior art keywords
- connector
- vertical plate
- plate
- protection
- protection vertical
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/56—Fittings damping bouncing force in truck collisions, e.g. bumpers; Arrangements on high-riding vehicles, e.g. lorries, for preventing vehicles or objects from running thereunder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/06—Semi-trailers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention provides a kind of semitrailer and its rears, comprising: at least a connection piece and rear protecting module.At least a connection piece with semi-trailer frame tail portion to be fixedly connected；Rear protecting module and the lower part of each connector are detachably connected, and rear protecting module height position is adjustably connect with each connector.The rear of semitrailer of the present invention is by modularized design at separable connector and rear protecting module, since rear protecting module is adjustably connect with connector in height, so that the terrain clearance of rear is adjustable, to realize that the same rear adapts to different automobile types, or it is adjustable with the terrain clearance of the rear of a semitrailer.Meanwhile being also convenient for the maintenance and replacement in rear later period.
Description
Technical field
The present invention relates to technical field of vehicle manufacture more particularly to a kind of semitrailers and its rear.
Background technique
In order to improve safety, the rear lower of semitrailer generally will be installed corresponding protective device, or provide identical protection
The device of function, its purpose is to avoid front vehicle from being involved under wheel.Currently, semitrailer rear in the market is straight
The tail portion for being welded on semitrailer is connect, or is mounted on the tail portion of semitrailer by bolt, is be easy to cause for a long time using in too long
Rear protecting falls off, damages, is not easy the problems such as repair and replacement.In addition, most of currently on the market is that a rear protecting is only adapted to one
Money semitrailer need to redesign different structure or various sizes of back protective device according to different semitrailers.
Summary of the invention
In order to solve the above-mentioned technical problem, existing to solve the invention reside in providing a kind of semitrailer and its rear
The problems such as having technology to be adapted to the semitrailer of different moneys and design height adjustable rear.
In view of the above technical problems, the present invention proposes a kind of automobile-used rear of semi-mounted, comprising: at least a connection piece and
Rear protecting module.At least a connection piece with semi-trailer frame tail portion to be fixedly connected；Rear protecting module and each connector
Lower part be detachably connected, and rear protecting module height position is adjustably connect with each connector.
In a preferred approach, the lower part of the connector has multiple interconnecting pieces in the height direction；The rear protecting mould
Block is optionally connect with wherein one interconnecting piece.
In a preferred approach, the rear protecting module includes: the protection crossbeam being mutually connected vertically and protects vertical plate, described
Protection crossbeam is connected to the bottom end of the protection vertical plate；The quantity of the protection vertical plate adapts to the connector, and described anti-
Shield vertical plate is arranged in a one-to-one correspondence with the connector, the connector that the top of each protection vertical plate can be corresponding
An interconnecting piece connection.
In a preferred approach, each interconnecting piece is single connecting hole or multiple combination connecting holes；The protection vertical plate
Upper setting and single connecting hole described in this or it is the multiple combine the corresponding mounting hole of connecting hole, the mounting hole can with it is described
Connecting hole cooperation, and the rear protecting module is fixedly installed in by the connection in a height by fastener connection cooperation
On part.
In a preferred approach, the connector and the protection vertical plate are integrally formed by sheet metal bending, include: flat
Plate portion and the bending part to turn up along the flat part two sides outer rim, the bending part are in straight panel shape or L shaped plate shape；The connection hole location
In the flat part.
In a preferred approach, the multiple combination connecting hole is distributed as two column side by side, and each column is in the height direction at least
Two connecting holes；The connection hole portions of two adjacent interconnecting pieces overlap in the connector short transverse.
In a preferred approach, the protection crossbeam includes: upper flange, lower wing plate, and is connected between upper and lower wing plate
Web and stiffening plate, the stiffening plate is perpendicular to the web；The upper flange is connect with the protection vertical plate, the stiffening plate
It is correspondingly arranged in the lower section of the protection vertical plate.
In a preferred approach, the quantity of the connector, the protection vertical plate and the stiffening plate is two, and two
The spacing of the stiffening plate is equal to the spacing of the two protection vertical plates.
The present invention also proposes a kind of semitrailer, comprising: walking mechanism, the vehicle frame being set on the walking structure, and
It is set to the above-mentioned rear of the vehicle frame tail portion；After the vehicle frame includes: main longitudinal grider and is connected to the main longitudinal grider
The end floor beam at end, the top of the connector are fixedly connected with the end floor beam, the front end of the connector and the main longitudinal grider
Rear end be fixedly connected.
In a preferred approach, the position that the connector is connect with the main longitudinal grider is equipped with stiffening plate, and the stiffening plate is set
There is lightening hole.
Compared with prior art, the invention has the following advantages: the rear of semitrailer of the present invention passes through mould
Block is designed to separable connector and rear protecting module, since rear protecting module adjustably connects with connector in height
It connects, so that the terrain clearance of rear is adjustable, to realize that the same rear adapts to different automobile types, Huo Zhetong
The terrain clearance of the rear of a semitrailer is adjustable.Meanwhile being also convenient for the maintenance and replacement in rear later period.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rear at the present embodiment vehicle frame rear portion.
Fig. 2 is the structural schematic diagram of rear discrete state in Fig. 1.
Fig. 3 is the partial enlarged view of part A in Fig. 2.
Fig. 4 is the structural schematic diagram that the present embodiment connector is connect with vehicle frame.
Fig. 5 is the structural schematic diagram of the present embodiment rear protecting module.
Fig. 6 is the side structure schematic diagram of the present embodiment rear protecting module.
The reference numerals are as follows: 2, vehicle frame；21, main longitudinal grider；211, upper flange；212, lower wing plate；213, web；22,
End floor beam；3, rear；31, connector；311, flat part；312, bending part；A, recess portion；301, connecting hole；32, rear defence
Protect module；321, vertical plate is protected；3211, flat part；3212, bending part；B, recess portion；302, mounting hole；322, crossbeam is protected；
33, stiffening plate；331, lightening hole；34, reinforcing rib.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Refering to fig. 1 to Fig. 6, semitrailer provided in this embodiment includes: walking mechanism, the vehicle frame that is set on walking structure
2, and it is set to the rear 3 of 2 tail portion of vehicle frame.The vehicle frame 2 includes: two main longitudinal griders 21 and is connected to two main longitudinal grider 21
The end floor beam 22 of rear end.Main longitudinal grider 21 is I-steel comprising upper flange 211, lower wing plate 212 and web 213.End floor beam 22 is
Rhs-structure specifically can be total；It is also possible to be made of a U-shaped steel and a plate welding, wherein U-shaped steel
Opening up, plate welding is in the aperture position of U-shaped steel；It is also possible to a c-type or groove type plate, is open towards vehicle body direction.
The offer of rear 3 of the present embodiment blocks safeguard function to prevent road user to be involved under wheel, after this
Protective device 3 includes: at least a connection piece 31 and rear protecting module 32.The connector 31 to 2 tail portion of semi-trailer frame
It is fixedly connected；Rear protecting module 32 and the lower part of each connector 31 are detachably connected, and 32 varying height positions of rear protecting module
Ground is connect with each connector 31.
The rear of the present embodiment semitrailer by modularized design at separable connector and rear protecting module,
Since rear protecting module is adjustably connect with connector in height, so that the terrain clearance of rear is adjustable, thus real
The existing same rear adapts to different automobile types, or adjustable with the terrain clearance of the rear of a semitrailer.
Meanwhile being also convenient for the maintenance and replacement in rear later period.
Further, the lower part of the connector 31 of the present embodiment has multiple interconnecting pieces, rear protecting mould in the height direction
Block 32 is optionally connect with a wherein interconnecting piece.
Specifically, the quantity of the present embodiment connector 31 is two, is connect respectively with two main longitudinal griders 21 of vehicle frame 2.
Connector 31 is integrally formed by sheet metal bending, and section is substantially in Ω shape or zigzag shape, the connector 31 include flat part 311 with
And the bending part 312 to turn up along the 311 two sides outer rim of flat part, the L-shaped plate of bending part 312, make connector 31 in its length
Spending has recess portion a on direction, as shown in figure 3, recess portion a is extended along short transverse.On the flat part 311 of the connector 31
The two column connecting holes 301 equipped with simultaneously column distribution, each column has eight connecting holes 301 in the height direction, so that on the connector 31
With eight horizontally-arranged connecting holes 301；Wherein, the first horizontally-arranged connecting hole 301 and the 4th horizontally-arranged connecting hole 301 constitute one
Interconnecting piece so that the cooperation two it is horizontally-arranged have interval three horizontally-arranged distances, and so on, two neighbouring interconnecting pieces
Connecting hole 301 can overlap, and so far, this eight horizontally-arranged can organize merge five interconnecting pieces of composition, see Fig. 3.
In actual use, the connecting hole 301 of neighbouring interconnecting piece, which can also be, does not overlap.
In embodiment, connector 31 can also be in straight panel shape or other shapes, enable itself and 311 structure of flat part
At recess portion a.
The top of connector 31 is fixedly connected with the bottom of end floor beam 22, the web of connector 31 front end and main longitudinal grider 21
213 are fixedly connected with the rear end face of lower wing plate 212.It should be noted that the front end of connector 31 refers to towards the front end of vehicle body position
It sets, i.e. the direction of vehicle to run；The rear end face of web 213 and lower wing plate 212 refers to the face in facing tailstock direction.More preferably, it connects
The position that part 31 is connect with the lower wing plate 212 of main longitudinal grider 21 be equipped with the stiffening plate 33 with lightening hole 331, with reinforce connector 31 with
The bonding strength of main longitudinal grider 21.
Refering to Fig. 5 and Fig. 6 and Fig. 1 to Fig. 3 is combined, rear protecting module 32 includes: protection crossbeam 322 and two protection vertical plates
321, protection crossbeam 322 is mutually connected vertically with protection vertical plate 321, and protection crossbeam 322 is connected to this two protection vertical plates 321
Bottom end, the top of two protection vertical plates 321 with the interconnecting piece on two connectors 31 to connect.Wherein, two protection vertical plates
321 spacing is identical as the spacing of two connectors 31, to guarantee that the two can be adapted to connection each other.
The structure of the protection vertical plate 321 of the present embodiment is identical with the structure of connector 31, i.e., also by sheet metal bending it is integrated at
Type simultaneously has recess portion, quick positioning when convenient for the two docking；Meanwhile so that protection vertical plate 321 and connector 31 constitute mutual card
It structure and can slide vertical direction is opposite, and be connected in rail mounted.Specifically, which also includes: flat part
3211 and along the bending part 3212 that the 3211 two sides outer rim of flat part is turned up, which keeps protection vertical
Plate 321 has recess portion b in its longitudinal direction, as shown in figure 3, recess portion b is arranged along short transverse.Wherein, the flat part
It is set on 3211 there are four mounting hole 302, two rows are distributed.
When protection vertical plate 321 is docked with connector 31, protect in the recess portion a of the recess portion b built-in connector 31 of vertical plate 321,
The flat part 3211 and the flat part 311 of connector 31 for protecting vertical plate 321 are bonded to each other, and make the two rows protected on vertical plate 321
Mounting hole 302 can be horizontally-arranged with first on connector 31 connecting hole 301 and the 4th horizontally-arranged connecting hole 301 cooperate, and lead to
It crosses and penetrates fastener, such as bolt, rear protecting module 32 is fixedly installed on connector 31 to realize.
When needing to adjust the terrain clearance of rear protecting module 32, four mounting holes 302 on vertical plate 321 will be protected and connected
Other two horizontally-arranged connecting holes 301 for constituting mounting portion on fitting 31 cooperate.
In actual use, connecting hole 301, which can also be, only sets a column or two column or more, and mounting hole 302 is also adjusted therewith
Whole is that a column or two column are above, allows it to cooperate.
The present embodiment makes the nuclear interface standardizing of rear protecting module 32 and connector 31, realizes rear 3 itself
Modularization, the risk done over again when not only avoiding production, but it is convenient to use during safeguard or maintenance.
Protection crossbeam 322 is c-type, U-shaped or groove type plate, is open towards vehicle body direction comprising upper and lower wing plate and connection
Web between upper and lower wing plate, upper flange are fixedly connected with protection vertical plate 321；Further, it protects on crossbeam 322 also
If each reinforcing rib 34 is set between the upper lower wing plate of protection crossbeam 322 and corresponds to protection vertical plate there are two reinforcing rib 34
321 lower section, to reinforce protection vertical plate 321 and protect the bonding strength of crossbeam 322.
Further, the protection vertical plate 321 of the present embodiment, protection crossbeam 322 and reinforcing rib 34 can by Q235 steel,
Q345 steel, Q550 steel or aluminum alloy material are made.
In embodiment, protection crossbeam 322 can also be square tube, at this point, reinforcing rib 34 can be omitted setting.
In other embodiments, the quantity of connector 31 is also possible to one or more, protects the quantity of vertical plate 321
It is adapted to connector 31.And make protect vertical plate 321 be arranged in a one-to-one correspondence with connector 31, it is each protection vertical plate 321 top and
One interconnecting piece of its corresponding connector 31 connects；When connector 31 is one, the structure widened can be with can
It is enough to be connect with two main longitudinal griders 21；When being connector 31 is more than two quantity, a portion connector 31 can be with
Only it is connect with the end floor beam 22 of 2 tail portion of vehicle frame.
Semi-mounted vehicle protection device of the present invention, by adjusting rear and semitrailer in installation or use process
The positioning of vehicle frame, the rear protecting for solving existing semitrailer industry technology welding rear or bolt assembly are done over again risk
Greatly, the problems such as structure is single, not easy to repair.By modular design method, the same rear can be adapted to a plurality of semi-mounteds
Vehicle can match a variety of rears with a semitrailer, meet the diversified demand of user.It is further, it can be achieved that right
The standardization of rear reduces rear type and quantity, is effectively reduced manufacture complexity, optimization manufacture money
Source.
Although describing the present invention with reference to the above exemplary embodiment, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (10)
1. a kind of automobile-used rear of semi-mounted characterized by comprising
At least a connection piece, to be fixedly connected with semi-trailer frame tail portion；
Rear protecting module is detachably connected with the lower part of each connector, and rear protecting module height position is adjustable
Ground is connect with each connector.
2. rear as described in claim 1, which is characterized in that the lower part of the connector has in the height direction
Multiple interconnecting pieces；The rear protecting module is optionally connect with wherein one interconnecting piece.
3. rear as claimed in claim 2, which is characterized in that the rear protecting module includes: to be mutually connected vertically
Protection crossbeam and protection vertical plate, it is described protection crossbeam be connected to it is described protection vertical plate bottom end；
The quantity of the protection vertical plate adapts to the connector, and the protection vertical plate is set with connector one-to-one correspondence
It sets, an interconnecting piece connection of the connector that the top of each protection vertical plate can be corresponding.
4. rear as claimed in claim 3, which is characterized in that each interconnecting piece is single connecting hole or multiple
Combine connecting hole；
On the protection vertical plate setting and single connecting hole described in this or it is the multiple combine the corresponding mounting hole of connecting hole, it is described
Mounting hole can cooperate with the connecting hole, and by fastener connection cooperation that the rear protecting module is solid in a height
Dingan County is loaded on the connector.
5. rear as claimed in claim 4, which is characterized in that the connector and the protection vertical plate are by plate
The bending part that bending integrated molding includes: flat part and is turned up along the flat part two sides outer rim, the bending part are in straight panel
Shape or L shaped plate shape；The connecting hole is located at the flat part.
6. rear as claimed in claim 4, which is characterized in that the multiple combination connecting hole is distributed as two side by side
Column, at least there are two connecting holes in the height direction for each column；
The connection hole portions of two adjacent interconnecting pieces overlap in the connector short transverse.
7. rear as claimed in claim 3, which is characterized in that the protection crossbeam includes: upper flange, lower wing plate,
And it is connected to web and stiffening plate between upper and lower wing plate, the stiffening plate is perpendicular to the web；The upper flange and institute
Protection vertical plate connection is stated, the stiffening plate is correspondingly arranged in the lower section of the protection vertical plate.
8. rear as claimed in claim 7, which is characterized in that the connector, the protection vertical plate and described
The quantity of stiffening plate is two, and the spacing of two stiffening plates is equal to the spacing of the two protection vertical plates.
9. a kind of semitrailer characterized by comprising walking mechanism, the vehicle frame being set on the walking structure, and setting
The rear as described in claim 1 to 8 any one in the vehicle frame tail portion；
The vehicle frame includes: main longitudinal grider and the end floor beam for being connected to the main longitudinal grider rear end, the top of the connector with it is described
End floor beam is fixedly connected, and the front end of the connector is fixedly connected with the rear end of the main longitudinal grider.
10. semitrailer as claimed in claim 9, which is characterized in that the position that the connector is connect with the main longitudinal grider is set
There is stiffening plate, the stiffening plate is equipped with lightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417574.9A CN109955815A (en) | 2017-12-25 | 2017-12-25 | Semitrailer and its rear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417574.9A CN109955815A (en) | 2017-12-25 | 2017-12-25 | Semitrailer and its rear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109955815A true CN109955815A (en) | 2019-07-02 |
Family
ID=67020665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711417574.9A Pending CN109955815A (en) | 2017-12-25 | 2017-12-25 | Semitrailer and its rear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109955815A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588559A (en) * | 2019-09-16 | 2019-12-20 | 驻马店中集华骏车辆有限公司 | Rear protective net structure of assembled semitrailer and assembling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030137156A1 (en) * | 2002-01-18 | 2003-07-24 | Ledford Kimble Eddie | Adjustable safety bumper |
| CN201338574Y (en) * | 2008-12-10 | 2009-11-04 | 江西鑫安鸿投资有限公司 | General truck tail cushion crashworthy frame |
| CN201901100U (en) * | 2010-10-15 | 2011-07-20 | 甘肃中集华骏车辆有限公司 | Flexible rear protective device of dumper |
| CN203419089U (en) * | 2013-07-08 | 2014-02-05 | 朱承进 | Rear protection device for automobiles |
| CN204548001U (en) * | 2015-04-18 | 2015-08-12 | 中国重汽集团济南动力有限公司 | The front lower protective device of a kind of truck |
| CN207790603U (en) * | 2017-12-25 | 2018-08-31 | 中集车辆（集团）有限公司 | Semitrailer and its rear |
-
2017
- 2017-12-25 CN CN201711417574.9A patent/CN109955815A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030137156A1 (en) * | 2002-01-18 | 2003-07-24 | Ledford Kimble Eddie | Adjustable safety bumper |
| CN201338574Y (en) * | 2008-12-10 | 2009-11-04 | 江西鑫安鸿投资有限公司 | General truck tail cushion crashworthy frame |
| CN201901100U (en) * | 2010-10-15 | 2011-07-20 | 甘肃中集华骏车辆有限公司 | Flexible rear protective device of dumper |
| CN203419089U (en) * | 2013-07-08 | 2014-02-05 | 朱承进 | Rear protection device for automobiles |
| CN204548001U (en) * | 2015-04-18 | 2015-08-12 | 中国重汽集团济南动力有限公司 | The front lower protective device of a kind of truck |
| CN207790603U (en) * | 2017-12-25 | 2018-08-31 | 中集车辆（集团）有限公司 | Semitrailer and its rear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588559A (en) * | 2019-09-16 | 2019-12-20 | 驻马店中集华骏车辆有限公司 | Rear protective net structure of assembled semitrailer and assembling method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518000 No. 2 Harbour Road, Shekou, Guangdong, Shenzhen Applicant after: Zhongji Vehicle (Group) Co.,Ltd. Applicant after: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Address before: 518000 No. 2 Harbour Road, Shekou, Guangdong, Shenzhen Applicant before: CIMC vehicle (Group) Co.,Ltd. Applicant before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201221 Address after: 518000 No. 2 Harbour Road, Shekou, Guangdong, Shenzhen Applicant after: Zhongji Vehicle (Group) Co.,Ltd. Address before: 518000 No. 2 Harbour Road, Shekou, Guangdong, Shenzhen Applicant before: Zhongji Vehicle (Group) Co.,Ltd. Applicant before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |
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| TA01 | Transfer of patent application right |