CN211442479U - Reinforced structure of unpowered trailer longeron of security - Google Patents
Reinforced structure of unpowered trailer longeron of security Download PDFInfo
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- CN211442479U CN211442479U CN201921926125.1U CN201921926125U CN211442479U CN 211442479 U CN211442479 U CN 211442479U CN 201921926125 U CN201921926125 U CN 201921926125U CN 211442479 U CN211442479 U CN 211442479U
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Abstract
A reinforced structure of a safety unpowered trailer longitudinal beam comprises a longitudinal beam, a front end cross beam, an inclined supporting beam, a rear end cross beam, a connecting column, a flange bolt and a blind plate bolt; the number of the longitudinal beams is two, and the longitudinal beams are symmetrically arranged in parallel; the beam fixing piece is attached to the side wall of the longitudinal beam, and the longitudinal beam and the beam are fixed through welding; a beam punching hole is arranged on the side wall of each beam; each end of the inclined supporting beam fixing piece is obliquely fixed with the inclined supporting beam through welding; the rear end cross beam is arranged between the longitudinal beams; the connecting column is matched with the connecting column flange to realize fixation through threads, and the flange bolt penetrates through the connecting column flange to realize fixation with the rear end beam; the blind plate bolt penetrates through the front end cross beam and the connecting column blind plate, and the connecting column blind plate is fixed with the front end cross beam. The utility model discloses to the structural style who adopts stronger joint strength between longeron and the crossbeam, the wholeness of structure is strong, and joint strength is high.
Description
Technical Field
The utility model relates to an unpowered trailer field, especially a reinforced structure of unpowered trailer longeron of security.
Background
The semitrailer is mainly used for transporting large goods and comprises a semitrailer frame and a traveling wheel, wherein the semitrailer frame comprises a traction structure, two longitudinal beams, a cross beam connected between the two longitudinal beams and a lock head cross beam. The longerons of two sides are carried out transverse connection to the adoption a plurality of crossbeam forms between two longerons, make two longerons form unified whole stable structure, among the current structural style, set up side by side through adopting a plurality of crossbeams, it is fixed to carry out the drawknot to the longeron of both sides, nevertheless when the frame structure carries out heavy burden load, the load that bears in the frame top surface is atress uneven usually, make the frame produce inhomogeneous atress, better tangential force atress often can be maintained to only crossbeam structure, make the frame be in effectively to prevent both sides longeron connection failure under the even stress state, when the inhomogeneous atress phenomenon or receive torsion influence to the frame production, the intensity of the connected form between longeron and the crossbeam is lower, easily lead to connecting failure.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists, the utility model discloses a reinforced structure of unpowered trailer longeron of security, its concrete technical scheme as follows: a reinforced structure of a safety unpowered trailer longitudinal beam comprises a longitudinal beam, a front end cross beam, an inclined supporting beam, a rear end cross beam, a connecting column, a flange bolt and a blind plate bolt;
the number of the longitudinal beams is two, and the longitudinal beams are symmetrically arranged in parallel; the number of the front end cross beams is two, the front end cross beams are transversely arranged between the two longitudinal beams, cross beam fixing pieces are arranged at two ends of each front end cross beam, the cross beam fixing pieces are vertically and fixedly connected with the front end cross beams to form an integrated structure, the cross beam fixing pieces are attached to the side walls of the longitudinal beams, and the longitudinal beams and the cross beams are fixed through welding; the side wall of each beam is provided with beam punched holes, and the beam punched holes are uniformly arranged; the inclined supporting beams are arranged between the two front end cross beams and symmetrically arranged, inclined supporting beam fixing pieces are arranged at two ends of each inclined supporting beam, each inclined supporting beam fixing piece is obliquely fixed with the inclined supporting beam through welding, one inclined supporting beam fixing piece is fixed with one end of one front end cross beam through welding, and one inclined supporting beam fixing piece is fixed with the middle end of the other front end cross beam through welding;
the rear end cross beam is arranged between the longitudinal beams and arranged at one end of each longitudinal beam, and two ends of the rear end cross beam are vertically fixed with the longitudinal beams at two sides through welding; the connecting column is arranged between the longitudinal beams on the two sides and is arranged in the same direction as the longitudinal beams, the connecting column penetrates through the beam punching holes of the two front end beams, a connecting column flange is arranged at one end of the connecting column, the connecting column is matched with the connecting column flange to realize fixation through threads, one side of the connecting column flange is attached to the side wall of the rear end beam, and the flange bolt penetrates through the connecting column flange to realize fixation with the rear end beam; the other end of the connecting column is provided with a connecting column blind plate, one side of the connecting column blind plate is attached to the side wall of the front end cross beam, and the blind plate bolt penetrates through the front end cross beam and the connecting column blind plate to fix the connecting column blind plate and the front end cross beam.
Furthermore, the cross section of the longitudinal beam is of an I-shaped structure.
Furthermore, the cross section of the front end cross beam is of an I-shaped structure, and the front end cross beam is of a structure with two wide ends and a narrow middle part.
Furthermore, the number of beam punching holes formed in each front end beam is five.
Further, the height of the inclined strut beam is matched with that of the front end cross beam.
Furthermore, the rear end cross beam is of a square column structure.
Furthermore, the connecting column is of a cylindrical structure, and the diameter of the outer wall of the connecting column is matched with the inner diameter of the punching hole of the beam.
The structure principle of the utility model is that:
when the utility model is assembled, two front end crossbeams are arranged at one end of the longitudinal beam, and the front end crossbeams are fixed with the longitudinal beam by welding; arranging two inclined supporting beams on two sides of two front end cross beams, and respectively realizing fixation with the two front end cross beams through welding; and then, punching a connecting column through the cross beam, fixing one end of the connecting column with a connecting column flange through threads, fixing the connecting column flange with the rear end cross beam by using a flange bolt, and fixing a connecting column blind plate with the front end cross beam by using a blind plate bolt.
The utility model has the advantages that:
the utility model has the advantages that the two front end crossbeams are matched with the diagonal bracing beams, so that the transverse supporting force of the front end crossbeams is received between the two longitudinal beams, and meanwhile, the two front end crossbeams are supported obliquely by the two diagonal bracing beams, so that the two crossbeams have stronger torsion resistance and deformation resistance, and a uniform integral structure is formed between the crossbeam structure and the longitudinal beam structure; carry out the auxiliary connection through the spliced pole between front end crossbeam and the rear end crossbeam and fix, be in connected state with a plurality of front end crossbeams and rear end crossbeam, joint strength is high between the overall structure, and the wholeness is strong. When the frame structure is influenced by turning or uneven load bearing, and is subjected to transverse force or torsion, the longitudinal beam and the cross beam are always in a high connection strength state, and the structural stability is high.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of the present invention.
List of reference numerals: the device comprises a longitudinal beam 1, a front end cross beam 2, a cross beam fixing piece 2-1, a cross beam punched hole 2-2, an inclined support beam 3, an inclined support beam fixing piece 3-1, a rear end cross beam 4, a connecting column 5, a connecting column flange 5-1, a connecting column blind plate 5-2, a flange bolt 6 and a blind plate bolt 7.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are all known technologies known to those skilled in the art, such as welding, screw connection, bolt-nut connection, riveting and the like.
The attached drawings show that the reinforcing structure of the safe unpowered trailer longitudinal beam 1 comprises the longitudinal beam 1, a front end cross beam 2, an inclined supporting beam 3, a rear end cross beam 4, a connecting column 5, a flange bolt 6 and a blind plate bolt 7;
the number of the longitudinal beams 1 is two, and the longitudinal beams are arranged in parallel and symmetrically; the number of the front end cross beams 2 is two, the front end cross beams are transversely arranged between the two longitudinal beams 1, cross beam fixing pieces 2-1 are arranged at two ends of each front end cross beam 2, the cross beam fixing pieces 2-1 are vertically and fixedly connected with the front end cross beams 2 to form an integrated structure, the cross beam fixing pieces 2-1 are attached to the side walls of the longitudinal beams 1, and the longitudinal beams 1 and the cross beams are fixed through welding; the side wall of each beam is provided with a beam punched hole 2-2, and each beam punched hole 2-2 is uniformly arranged; the number of the inclined supporting beams 3 is two, the inclined supporting beams 3 are arranged between the two front end cross beams 2 and are symmetrically arranged, inclined supporting beam fixing pieces 3-1 are arranged at two ends of each inclined supporting beam 3, each inclined supporting beam fixing piece 3-1 is obliquely fixed with the inclined supporting beam 3 through welding, one end of each inclined supporting beam fixing piece 3-1 is fixed with one end of one front end cross beam 2 through welding, and one end of each inclined supporting beam fixing piece 3-1 is fixed with the middle end of the other front end cross beam 2 through welding;
the rear end cross beam 4 is arranged between the longitudinal beams 1 and arranged at one end of each longitudinal beam 1, and two ends of the rear end cross beam 4 are vertically fixed with the longitudinal beams 1 at two sides through welding; the connecting column 5 is arranged between the longitudinal beams 1 on the two sides and is arranged in the same direction as the longitudinal beams 1, the connecting column 5 penetrates through the beam punching holes 2-2 of the two front end beams 2, a connecting column flange 5-1 is arranged at one end of the connecting column 5, the connecting column 5 is matched with the connecting column flange 5-1 to realize fixation through threads, one side of the connecting column flange 5-1 is attached to the side wall of the rear end beam 4, and the flange bolt 6 penetrates through the connecting column flange 5-1 to realize fixation with the rear end beam 4; the other end of the connecting column 5 is provided with a connecting column blind plate 5-2, one side of the connecting column blind plate 5-2 is attached to the side wall of the front end beam 2, and the blind plate bolt 7 penetrates through the front end beam 2 and the connecting column blind plate 5-2, so that the connecting column blind plate 5-2 is fixed with the front end beam 2.
Furthermore, the cross section of the longitudinal beam 1 is of an I-shaped structure.
Furthermore, the cross section of the front end beam 2 is of an I-shaped structure, and the front end beam 2 is of a structure with two wide ends and a narrow middle part.
Further, the number of beam punched holes 2-2 arranged on each front end beam 2 is five.
Further, the height of the raker beam 3 is adapted to the height of the front end cross beam 2.
Further, the rear end cross beam 4 is of a square column structure.
Furthermore, the connecting column 5 is of a cylindrical structure, and the diameter of the outer wall of the connecting column 5 is matched with the inner diameter of the beam punched hole 2-2.
The structure principle of the utility model is that:
when the utility model is assembled, two front end crossbeams are arranged at one end of the longitudinal beam, and the front end crossbeams are fixed with the longitudinal beam by welding; arranging two inclined supporting beams on two sides of two front end cross beams, and respectively realizing fixation with the two front end cross beams through welding; and then, punching a connecting column through the cross beam, fixing one end of the connecting column with a connecting column flange through threads, fixing the connecting column flange with the rear end cross beam by using a flange bolt, and fixing a connecting column blind plate with the front end cross beam by using a blind plate bolt.
The utility model has the advantages that:
the utility model has the advantages that the two front end crossbeams are matched with the diagonal bracing beams, so that the transverse supporting force of the front end crossbeams is received between the two longitudinal beams, and meanwhile, the two front end crossbeams are supported obliquely by the two diagonal bracing beams, so that the two crossbeams have stronger torsion resistance and deformation resistance, and a uniform integral structure is formed between the crossbeam structure and the longitudinal beam structure; carry out the auxiliary connection through the spliced pole between front end crossbeam and the rear end crossbeam and fix, be in connected state with a plurality of front end crossbeams and rear end crossbeam, joint strength is high between the overall structure, and the wholeness is strong. When the frame structure is influenced by turning or uneven load bearing, and is subjected to transverse force or torsion, the longitudinal beam and the cross beam are always in a high connection strength state, and the structural stability is high.
Claims (7)
1. A reinforced structure of a safety unpowered trailer longitudinal beam is characterized by comprising a longitudinal beam, a front end cross beam, an inclined supporting beam, a rear end cross beam, a connecting column, a flange bolt and a blind plate bolt;
the number of the longitudinal beams is two, and the longitudinal beams are symmetrically arranged in parallel; the number of the front end cross beams is two, the front end cross beams are transversely arranged between the two longitudinal beams, cross beam fixing pieces are arranged at two ends of each front end cross beam, the cross beam fixing pieces are vertically and fixedly connected with the front end cross beams to form an integrated structure, the cross beam fixing pieces are attached to the side walls of the longitudinal beams, and the longitudinal beams and the cross beams are fixed through welding; the side wall of each beam is provided with beam punched holes, and the beam punched holes are uniformly arranged; the inclined supporting beams are arranged between the two front end cross beams and symmetrically arranged, inclined supporting beam fixing pieces are arranged at two ends of each inclined supporting beam, each inclined supporting beam fixing piece is obliquely fixed with the inclined supporting beam through welding, one inclined supporting beam fixing piece is fixed with one end of one front end cross beam through welding, and one inclined supporting beam fixing piece is fixed with the middle end of the other front end cross beam through welding;
the rear end cross beam is arranged between the longitudinal beams and arranged at one end of each longitudinal beam, and two ends of the rear end cross beam are vertically fixed with the longitudinal beams at two sides through welding; the connecting column is arranged between the longitudinal beams on the two sides and is arranged in the same direction as the longitudinal beams, the connecting column penetrates through the beam punching holes of the two front end beams, a connecting column flange is arranged at one end of the connecting column, the connecting column is matched with the connecting column flange to realize fixation through threads, one side of the connecting column flange is attached to the side wall of the rear end beam, and the flange bolt penetrates through the connecting column flange to realize fixation with the rear end beam; the other end of the connecting column is provided with a connecting column blind plate, one side of the connecting column blind plate is attached to the side wall of the front end cross beam, and the blind plate bolt penetrates through the front end cross beam and the connecting column blind plate to fix the connecting column blind plate and the front end cross beam.
2. The reinforcing structure for the longitudinal beam of the safety unpowered trailer according to claim 1, wherein the cross section of the longitudinal beam is in an I-shaped structure.
3. The reinforcing structure for the longitudinal beam of the safety unpowered trailer according to claim 1, wherein the cross section of the front end cross beam is in an I-shaped structure, and the front end cross beam is in a structure with two wide ends and a narrow middle.
4. The reinforcing structure for the longitudinal beam of the safety unpowered trailer according to claim 3, wherein the number of the beam punched holes provided for each front end beam is five.
5. The reinforcement structure for a safety unpowered trailer longitudinal beam of claim 3, wherein the height of the diagonal brace is adapted to the height of the front end cross beam.
6. The reinforcement structure for a safety unpowered trailer rail of claim 1, wherein the rear end cross member is of a square column structure.
7. The reinforced structure of the safety unpowered trailer longitudinal beam as claimed in claim 1, wherein the connecting column is of a cylindrical structure, and the diameter of the outer wall of the connecting column is matched with the inner diameter of the beam punched hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926125.1U CN211442479U (en) | 2019-11-08 | 2019-11-08 | Reinforced structure of unpowered trailer longeron of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926125.1U CN211442479U (en) | 2019-11-08 | 2019-11-08 | Reinforced structure of unpowered trailer longeron of security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211442479U true CN211442479U (en) | 2020-09-08 |
Family
ID=72297171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921926125.1U Active CN211442479U (en) | 2019-11-08 | 2019-11-08 | Reinforced structure of unpowered trailer longeron of security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211442479U (en) |
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2019
- 2019-11-08 CN CN201921926125.1U patent/CN211442479U/en active Active
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