CN216916014U

CN216916014U - Lightweight frame tail crossbeam

Info

Publication number: CN216916014U
Application number: CN202122639889.6U
Authority: CN
Inventors: 陈才刚
Original assignee: Chongqing Chengfu Auto Body Sales Co ltd
Current assignee: Chongqing Chengfu Auto Body Sales Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-07-08
Anticipated expiration: 2031-10-29

Abstract

The utility model belongs to the field of automobile frame structures, and particularly relates to a light frame tail cross beam which comprises an upper cross beam and a lower cross beam, wherein the upper cross beam is a plate-shaped structural body with an L-shaped cross section, the lower cross beam is an L-shaped plate-shaped structural body, the upper cross beam is positioned on the outer side of the lower cross beam, a bolt connecting hole is formed in the overlapped part of the upper cross beam and the lower cross beam, the upper cross beam and the lower cross beam are fixedly connected through a bolt, a through groove is formed in the upper cross beam, one end of the through groove is in contact with the bolt, and the other end of the through groove is communicated with the outside; a pressing block for fixing the bolt is arranged in the through groove; the lateral wall of the through groove is provided with a sliding groove, the pressing block is in sliding connection with the sliding groove through a sliding block, the pressing block is fixedly connected with the through groove through a spring, and the end of the through groove, which is communicated with the outside, is in threaded connection with a screw. The scheme adopts a pressing block, spring and screw structure to compress the bolt, so as to prevent the bolt from loosening; meanwhile, when the bolt vibrates, the spring can counteract partial force, so that the bolt vibration is reduced, and the service life of the whole structure is longer.

Description

Lightweight frame tail crossbeam

Technical Field

The utility model belongs to the field of automobile frame structures, and particularly relates to a light-weight frame tail cross beam.

Background

The tail boom is an important component of the deck structure in the ship structure. In the transverse framework type deck structure, a strong cross beam is arranged on a deck longitudinal girder, and a T-shaped beam welded with a hatch end is arranged. In the longitudinal frame type deck structure, the strong cross beams are mainly used for placing deck longitudinals.

Application number is CN201220660921.7 file discloses a truck tail crossbeam mounting structure, includes: the two ends of the tail cross beam are connected with the inner side surfaces of the frame longitudinal beams on the two sides through the two connecting frames, the single connecting frame consists of two wing plates and a connecting plate, the two wing plates are arranged at the two ends of the connecting plate in parallel, and the wing plates and the connecting plate are of an integral structure; the cross section of each wing plate is trapezoidal, the width of the lower bottom of each trapezoid is larger than that of the upper bottom of each trapezoid, the width of the upper bottom of each trapezoid is larger than or equal to that of the tail cross beam, the width of the lower bottom of each trapezoid is smaller than or equal to that of the connecting plate, and the lower bottom end of each trapezoid is connected with the connecting plate; the end part of the tail cross beam is arranged between the inner side surfaces of the two wing plates and at the position within the width range of the trapezoidal upper bottom, the inner side surfaces of the wing plates are fixedly connected with the upper side surface and the lower side surface of the end part of the tail cross beam, and the outer side surface of the connecting plate is connected with the inner side surface of the longitudinal beam. Above-mentioned scheme disperses the effort of tail crossbeam to bigger region, has improved frame structure's stability, and the upper wing board adopts bolted connection with lower pterygoid lamina in the above-mentioned scheme, and the bolt is not hard up easily in long-term use, causes the tail crossbeam structural instability, influences the stability of whole frame.

SUMMERY OF THE UTILITY MODEL

This scheme provides a make tail crossbeam stable in structure's lightweight frame tail crossbeam.

In order to achieve the aim, the scheme provides a light frame tail cross beam which comprises an upper cross beam and a lower cross beam; the upper cross beam is a plate-shaped structural body with an L-shaped cross section; the lower cross beam is an L-shaped plate-shaped structural body; further comprising: the upper cross beam is positioned on the outer side of the lower cross beam; the overlapping part of the upper cross beam and the lower cross beam is provided with a bolt connecting hole; the upper cross beam and the lower cross beam are fixedly connected through bolts; a through groove is formed in the upper cross beam, one end of the through groove is in contact with the bolt, and the other end of the through groove is communicated with the outside; a pressing block for fixing the bolt is arranged in the through groove; a sliding groove is formed in the side wall of the through groove, and the pressing block is connected with the sliding groove in a sliding mode through a sliding block; the pressing block is fixedly connected with the through groove through a spring; the end of the through groove communicated with the outside is in threaded connection with a screw.

The principle of the scheme is as follows: overlap together entablature and bottom end rail part, form the U-shaped, make the overlap part be equipped with the bolt connection hole and align, use the bolt to fix entablature and bottom end rail together, put into logical inslot with the screw again, the length that the adjusting screw got into logical groove makes briquetting clamp bolt, prevents that the bolt from becoming flexible.

The scheme has the beneficial effects that: the scheme adopts a pressing block, spring and screw structure to compress the bolt, so as to prevent the bolt from loosening; meanwhile, when the bolt vibrates, the spring can counteract partial force, so that the bolt vibration is reduced, and the service life of the whole structure is longer.

Further, a trapezoidal block is arranged at the bottom end of the pressing block, and the area of the bottom of the trapezoidal block is smaller than that of the top of the trapezoidal block; one end of the spring is fixedly connected with the side face of the trapezoidal block, and the other end of the spring is fixedly connected with the through groove. Set up the trapezoidal piece, make spring one end be located the trapezoidal piece side, when preventing that the briquetting from removing clamp bolt, can touch the spring, receive the influence of spring volume, make the briquetting can not clamp bolt.

Furthermore, a rubber pad is arranged on the opposite surface of the trapezoidal block and the bolt. Make trapezoidal piece and bolt combine inseparabler, prevent that the bolt not hard up effect is better, can also prevent the rigidity friction damage between trapezoidal piece and bolt.

Furthermore, the device also comprises a reinforcing plate which is positioned at the outer side of the upper cross beam; the reinforcing plate is fixedly connected with the upper cross beam through a bolt; the reinforcing plate is fixedly connected with the lower cross beam through bolts. The overall structural strength is improved.

Furthermore, lightening holes are formed in the upper cross beam and the lower cross beam. The whole structure is light.

Furthermore, a reinforcing rib is arranged in a U-shaped groove formed by the upper cross beam and the lower cross beam, one end of the reinforcing rib is connected with the upper cross beam, the other end of the reinforcing rib is connected with the lower cross beam, and a triangular structure is formed between the reinforcing rib and the upper cross beam as well as between the reinforcing rib and the lower cross beam. The strengthening rib makes overall structure stable, and the triangle-shaped structure that forms makes overall structure more stable.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a partial cross-sectional view of an upper cross-beam according to an embodiment of the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises an upper cross beam 1, a lower cross beam 2, bolt connecting holes 3, screws 4, bolts 5, a pressing block 6, a sliding groove 7, a sliding block 8, a spring 9 and a rubber pad 10.

The embodiment is basically as shown in the attached figure 1:

a light frame tail cross beam comprises an upper cross beam 1 and a lower cross beam 2; the upper cross beam 1 is a plate-shaped structural body with an L-shaped cross section, and the lower cross beam 2 is an L-shaped plate-shaped structural body. The upper crossbeam 1 is located the bottom end rail 2 outside, and the upper crossbeam 1 forms the U-shaped with the bottom end rail 2, all is equipped with the lightening hole on upper crossbeam 1 and the bottom end rail 2. The whole structure is light.

A reinforcing rib is arranged in a U-shaped groove formed by the upper cross beam 1 and the lower cross beam 2, one end of the reinforcing rib is connected with the upper cross beam 1, the other end of the reinforcing rib is connected with the lower cross beam 2, and a triangular structure is formed between the reinforcing rib and the upper cross beam 1 and between the reinforcing rib and the lower cross beam 2. The strengthening rib makes overall structure stable, and the triangular structure who forms makes overall structure more stable.

The overlapping part of the upper cross beam 1 and the lower cross beam 2 is provided with a bolt connecting hole 3; the upper cross beam 1 and the lower cross beam 2 are fixedly connected through a bolt 5; a through groove is arranged on the upper cross beam 1, one end of the through groove is in contact with the bolt 5, and the other end of the through groove is communicated with the outside; be equipped with briquetting 6 in leading to the groove, briquetting 6 is used for housing bolt 5, leads to and is equipped with spout 7 on the groove lateral wall, and briquetting 6 passes through slider 8 and spout 7 sliding connection. The bottom end of the pressing block 6 is provided with a trapezoidal block, and the area of the bottom of the trapezoidal block is smaller than that of the top of the trapezoidal block; the trapezoidal block welding device further comprises a spring 9, one end of the spring 9 is welded with the side face of the trapezoidal block, and the other end of the spring 9 is welded with the through groove. Set up trapezoidal piece, make spring 9 one end be located trapezoidal piece side, when preventing that briquetting 6 from removing clamp bolt 5, can touch spring 9, receive the influence of spring 9 volume to make briquetting 6 can not clamp bolt 5. The opposite surfaces of the trapezoidal blocks and the bolts 5 are provided with rubber pads 10. Make trapezoidal piece and bolt 5 combine inseparabler, prevent that bolt 5 not hard up effect is better, can also prevent the rigidity friction damage between trapezoidal piece and bolt 5. The pressing block 6 is connected with the side wall of the sliding groove 7 in a sliding mode, and the end, communicated with the outside, of the through groove is connected with a screw 4 in a threaded mode.

Overlap together entablature 1 and 2 parts of bottom end rail, form the U-shaped, make the overlap portion be equipped with bolted connection hole 3 and align, use bolt 5 to fix entablature 1 and bottom end rail 2 together, put into logical inslot with screw 4 again, adjusting screw 4 gets into the length that leads to the groove, makes 6 clamp bolt 5 of briquetting, prevents that bolt 5 from becoming flexible.

The device is characterized by also comprising a reinforcing plate, wherein the reinforcing plate is positioned on the outer side of the upper cross beam 1; the reinforcing plate is fixedly connected with the upper cross beam 1 through a bolt 5; the reinforcing plate is fixedly connected with the lower cross beam 2 through a bolt 5. The overall structural strength is improved.

The principle of the scheme is as follows: the upper cross beam 1 and the lower cross beam 2 are partially overlapped together to form a U shape, bolt connecting holes 3 are formed in the overlapped part to be aligned, the upper cross beam 1 and the lower cross beam 2 are fixed together by using bolts 5, one end of each reinforcing rib is connected with the upper cross beam 1, the other end of each reinforcing rib is connected with the lower cross beam 2, and a triangular structure is formed between each reinforcing rib and the upper cross beam 1 and the lower cross beam 2. The strengthening rib makes overall structure stable, and the triangle structure that forms makes overall structure more stable, puts into logical inslot with screw 4 again, and adjusting screw 4 gets into the length that leads to the groove, makes 6 clamp bolt 5 of briquetting, prevents that bolt 5 from becoming flexible. According to the scheme, the pressing block 6, the spring 9 and the screw 4 are adopted to compress the bolt 5, so that the bolt 5 is prevented from loosening; meanwhile, when the bolt 5 vibrates, the spring 9 can counteract partial force, so that the vibration of the bolt 5 is reduced, and the service life of the whole structure is longer.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A light frame tail cross beam comprises an upper cross beam (1) and a lower cross beam (2); the upper cross beam (1) is a plate-shaped structural body with an L-shaped cross section; the lower cross beam (2) is an L-shaped plate-shaped structural body; it is characterized by also comprising: the upper cross beam (1) is positioned at the outer side of the lower cross beam (2); the overlapping part of the upper cross beam (1) and the lower cross beam (2) is provided with a bolt connecting hole (3); the upper cross beam (1) and the lower cross beam (2) are fixedly connected through bolts (5); a through groove is formed in the upper cross beam (1), one end of the through groove is in contact with the bolt (5), and the other end of the through groove is communicated with the outside; a pressing block (6) for fixing the bolt (5) is arranged in the through groove; a sliding groove (7) is arranged on the side wall of the through groove, and the pressing block (6) is connected with the sliding groove (7) in a sliding manner through a sliding block (8); the pressing block (6) is fixedly connected with the through groove through a spring (9); the end of the through groove communicated with the outside is in threaded connection with a screw (4).

2. The light-weight frame tail cross beam of claim 1, wherein: the bottom end of the pressing block (6) is provided with a trapezoidal block, and the area of the bottom of the trapezoidal block is smaller than that of the top of the trapezoidal block; one end of the spring (9) is fixedly connected with the side face of the trapezoidal block, and the other end of the spring (9) is fixedly connected with the through groove.

3. The light-weight frame tail cross beam of claim 2, wherein: and a rubber pad (10) is arranged on the opposite surface of the trapezoidal block and the bolt (5).

4. The light-weight frame tail cross beam of claim 1, wherein: the device is characterized by also comprising a reinforcing plate, wherein the reinforcing plate is positioned on the outer side of the upper cross beam (1); the reinforcing plate is fixedly connected with the upper cross beam (1) through a bolt (5); the reinforcing plate is fixedly connected with the lower cross beam (2) through bolts (5).

5. The light-weight frame tail cross beam of claim 1, wherein: and lightening holes are formed in the upper cross beam (1) and the lower cross beam (2).

6. The light-weight frame tail cross beam of claim 1, wherein: the U-shaped inslot that entablature (1) and bottom end rail (2) formed is equipped with the strengthening rib, and strengthening rib one end is connected with entablature (1), and the other one end of strengthening rib is connected with bottom end rail (2), forms triangular structure between strengthening rib and entablature (1) and bottom end rail (2).