CN209795405U - Semitrailer aluminum alloy side protector - Google Patents
Semitrailer aluminum alloy side protector Download PDFInfo
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- CN209795405U CN209795405U CN201920443279.9U CN201920443279U CN209795405U CN 209795405 U CN209795405 U CN 209795405U CN 201920443279 U CN201920443279 U CN 201920443279U CN 209795405 U CN209795405 U CN 209795405U
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- cross beam
- semitrailer
- aluminum alloy
- protection device
- alloy side
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Abstract
The utility model belongs to the technical field of semitrailer manufacturing and structure lightweight, and relates to a semitrailer aluminum alloy side protective device which is symmetrically arranged on two sides of a semitrailer and comprises a guardrail and a bracket; the guardrail is of a planar rectangular frame structure, and one side of the guardrail is detachably connected with at least two brackets; the support is a planar triangular frame structure and is detachably connected with a middle cross beam of a frame of the semitrailer. The side protection device has the advantages that the side protection device is light in weight, the side protection devices on the left side and the right side are independent from each other, the side protection devices are fixed on a middle cross beam of a frame of a semitrailer through bolt connection, the structure is simple, the side protection device is convenient to detach and maintain, and the maintenance cost is low.
Description
Technical Field
The utility model belongs to the technical field of semitrailer is made and structure lightweight, a semitrailer aluminum alloy side protector is related to.
Background
With the improvement of national economy, the function of the semitrailer in the long-distance transportation process is more and more important. The side protection device of the semitrailer can effectively protect pedestrians, people riding bicycles or motorcycles which can fall on the side of the semitrailer and be drawn under the wheels, so that the pedestrians, the people riding bicycles or the motorcycles, which can fall on the side of the semitrailer, can be prevented from being drawn under the wheels.
at present, a side protection device of a semitrailer is generally formed by welding profile steels, has heavy weight and is not beneficial to reducing the oil consumption of the automobile; and has poor corrosion resistance and low recycling rate. In addition, the side protection devices on the left side and the right side are designed into an integrated structure, so that the maintenance is difficult and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a semitrailer aluminum alloy side protector can realize side protector's lightweight, and the side protector mutual independence of the left and right sides, fixes on the frame entablature of semitrailer through bolted connection, simple structure, convenient to detach and maintenance, and cost of maintenance is low.
in order to achieve the above purpose, the utility model provides a following technical scheme:
A semitrailer aluminum alloy side surface protection device is symmetrically arranged on two sides of a semitrailer and comprises guardrails and supports;
The guardrail is of a planar rectangular frame structure, and at least two supports are detachably connected to one side of the guardrail;
The support is of a planar triangular frame structure and is detachably connected with a middle cross beam of a frame of the semitrailer.
Optionally, the guardrail comprises an upper cross beam and a lower cross beam parallel to the frame longitudinal beam, and a front end enclosure and a rear end enclosure connecting the upper cross beam and the lower cross beam.
Optionally, a reinforcing beam parallel to the upper beam is arranged between the upper beam and the lower beam, and two ends of the reinforcing beam are respectively and fixedly connected with the front end enclosure and the rear end enclosure.
Optionally, a reinforcing longitudinal beam is arranged between the front end enclosure and the rear end enclosure, and two ends of the reinforcing longitudinal beam are respectively and fixedly connected with the upper cross beam and the lower cross beam.
Optionally, reinforcing ribs are fixedly connected between the upper cross beam and the reinforcing cross beam and between the lower cross beam and the reinforcing cross beam.
Optionally, the bracket is bolted to the cross member of the vehicle frame.
Optionally, the support is in the shape of a right triangle.
optionally, the support comprises an inclined support beam, a vertical support beam and a transverse support beam which are connected end to end, and the connection modes are all in threaded connection; the support cross beam is detachably connected with a middle frame cross beam of the semitrailer, and two ends of the support vertical beam are detachably connected with the upper cross beam and the lower cross beam respectively.
Optionally, the detachable connection is a screw connection.
the beneficial effects of the utility model reside in that:
1. The utility model discloses a semitrailer aluminum alloy side protector realizes side protector's lightweight through using aluminium alloy ex-trusions extrusion technology for the installation is maintained conveniently, and manufacturing process is simple simultaneously, and production efficiency is high, and the steady quality is reliable.
2. The aluminum alloy side protection device for the semitrailer, disclosed by the utility model, has strong corrosion resistance due to the adoption of the aluminum alloy section with strong corrosion resistance; meanwhile, the aluminum alloy section has long service life, can be recycled and has high value retention.
3. The utility model discloses a semitrailer aluminum alloy side protector, the side protector mutual independence of the left and right sides, through bolted connection on the frame, convenient to detach, easy maintenance.
4. the utility model discloses a semitrailer aluminum alloy side protection device, the support is formed by aluminum alloy component spiro union, the support is the spiro union with guardrail, frame, when the side slightly collides and only the support crossbeam is damaged, can directly maintain the support crossbeam, with low costs and convenient and fast; the support adopts the triangle-shaped structure, and is reliable and stable.
5. The utility model discloses a semitrailer aluminum alloy side protector because the dead weight is little, is favorable to reducing the oil consumption of car.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a first assembly diagram of the aluminum alloy side protection device of the semitrailer of the present invention;
FIG. 2 is a second assembly diagram of the aluminum alloy side protection device of the semitrailer of the present invention;
FIG. 3 is a schematic structural view of the aluminum alloy side protection device of the semitrailer of the present invention;
Fig. 4 is a sectional view a-a of fig. 3.
Reference numerals: the frame comprises a frame longitudinal beam 1, a frame middle cross beam 2, a support oblique beam 3, a support vertical beam 4, a support cross beam 5, a rear seal head 6, a lower cross beam 7, an upper cross beam 8 and a front seal head 9.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
Referring to fig. 1 to 4, an aluminum alloy side protection device for a semitrailer is symmetrically arranged on two sides of the semitrailer, the semitrailer comprises a frame longitudinal beam 1 and a frame middle cross beam 2, the frame middle cross beam 2 is fixedly connected to the frame longitudinal beam 1, and the aluminum alloy side protection device comprises a guardrail and a bracket; the guardrail is of a planar rectangular frame structure, and one side of the guardrail is fixedly connected with three brackets; the guardrail comprises an upper cross beam 8 and a lower cross beam 7 which are parallel to the frame longitudinal beam 1, and a front end enclosure 9 and a rear end enclosure 6 which are connected with the upper cross beam 8 and the lower cross beam 7; the support is a planar right-angled triangular frame structure and comprises a support oblique beam 3, a support vertical beam 4 and a support cross beam 5 which are connected end to end, and the connection modes are all in threaded connection; the bracket cross beam 5 is screwed on the middle cross beam 2 of the frame as shown in B of figure 2; the two ends of the vertical beam 4 of the bracket are respectively screwed with the upper cross beam 8 and the lower cross beam 7, as shown at C in figure 3.
The frame middle cross beam 2 is of a groove-shaped structure, and the opening faces to one side far away from the frame longitudinal beam 1.
The bracket vertical beam 4 and the bracket cross beam 5 are both of a groove-shaped structure; the openings of the bracket vertical beams 4 face to one side far away from the guardrail; the opening of the bracket cross beam 5 faces to one side far away from the frame middle cross beam 2, one end of the bracket cross beam 5 is matched with the frame middle cross beam 2 and is positioned in the frame middle cross beam, and the two sides of the frame longitudinal beam 1 are connected through bolts.
preferably, a reinforcing beam parallel to the upper beam 8 and the lower beam 7 is arranged between the upper beam and the lower beam, and two ends of the reinforcing beam are respectively and fixedly connected with the front seal head 9 and the rear seal head 6.
Preferably, reinforcing ribs are fixedly connected between the upper cross beam 8 and the reinforcing cross beam and between the lower cross beam 7 and the reinforcing cross beam.
Preferably, a reinforcing longitudinal beam is arranged between the front end enclosure 9 and the rear end enclosure 6, and two ends of the reinforcing longitudinal beam are respectively and fixedly connected with the upper cross beam 8 and the lower cross beam 7.
In fig. 2, the position B is the position where the side protection device is connected with the frame rail bolt.
In fig. 3, the position C is the position where the side guard rail bracket is connected with the side guard rail cross beam through the bolt.
finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a semitrailer aluminum alloy side protector, the symmetry sets up in the both sides of semitrailer, its characterized in that: the aluminum alloy side surface protection device comprises a guardrail and a bracket;
The guardrail is of a planar rectangular frame structure, and at least two supports are detachably connected to one side of the guardrail;
The support is of a planar triangular frame structure and is detachably connected with a middle cross beam of a frame of the semitrailer.
2. The aluminum alloy side protection device for the semitrailer of claim 1, wherein: the guardrail comprises an upper cross beam and a lower cross beam which are parallel to the frame longitudinal beam, and a front end enclosure and a rear end enclosure which are connected with the upper cross beam and the lower cross beam.
3. The aluminum alloy side protection device for the semitrailer of claim 2, wherein: and a reinforcing cross beam parallel to the upper cross beam is arranged between the upper cross beam and the lower cross beam, and two ends of the reinforcing cross beam are respectively fixedly connected with the front seal head and the rear seal head.
4. the aluminum alloy side protection device for the semitrailer of claim 2, wherein: and a reinforcing longitudinal beam is arranged between the front seal head and the rear seal head, and two ends of the reinforcing longitudinal beam are respectively and fixedly connected with the upper cross beam and the lower cross beam.
5. The aluminum alloy side protection device for the semitrailer of claim 3, wherein: and reinforcing ribs are fixedly connected between the upper cross beam and the reinforcing cross beam and between the lower cross beam and the reinforcing cross beam.
6. The aluminum alloy side protection device for the semitrailer of claim 1, wherein: the bracket is screwed on the middle cross beam of the frame.
7. The aluminum alloy side protection device for the semitrailer of claim 1, wherein: the support is in a right triangle shape.
8. the aluminum alloy side protection device for the semitrailer of claim 7, wherein: the bracket comprises bracket oblique beams, bracket vertical beams and bracket cross beams which are connected end to end, and the connection modes are all in bolt connection; the support cross beam is detachably connected with a middle frame cross beam of the semitrailer, and two ends of the support vertical beam are detachably connected with the upper cross beam and the lower cross beam respectively.
9. The aluminum alloy side protection device for the semitrailer according to any one of claims 1 or 8, characterized in that: the detachable connection is a screw connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920443279.9U CN209795405U (en) | 2019-04-02 | 2019-04-02 | Semitrailer aluminum alloy side protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920443279.9U CN209795405U (en) | 2019-04-02 | 2019-04-02 | Semitrailer aluminum alloy side protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209795405U true CN209795405U (en) | 2019-12-17 |
Family
ID=68827996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920443279.9U Active CN209795405U (en) | 2019-04-02 | 2019-04-02 | Semitrailer aluminum alloy side protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209795405U (en) |
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2019
- 2019-04-02 CN CN201920443279.9U patent/CN209795405U/en active Active
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