CN221138287U

CN221138287U - Semitrailer bracket assembly

Info

Publication number: CN221138287U
Application number: CN202322933910.2U
Authority: CN
Inventors: 纪雪峰; 戚明荣
Original assignee: Yangzhou Xingfeng New Material Co ltd
Current assignee: Yangzhou Xingfeng New Material Co ltd
Priority date: 2023-10-31
Filing date: 2023-10-31
Publication date: 2024-06-14
Anticipated expiration: 2033-10-31

Abstract

The utility model relates to the technical field of vehicles and discloses a semi-trailer bracket assembly, which comprises a side frame, wherein one side of the inner side of the side frame is fixedly connected with a rear frame, the other side of the inner side of the side frame is fixedly connected with a front frame, the middle of the inner side of the side frame is fixedly connected with an inner frame, fixing devices are fixedly connected between the inner frames, a jacking device is fixedly connected between the fixing devices, and the bottoms of the rear frame and the front frame are fixedly connected with a bottom frame.

Description

Semitrailer bracket assembly

Technical Field

The utility model relates to the technical field of vehicles, in particular to a semitrailer bracket assembly.

Background

The transport semitrailer is a vehicle which is towed by a vehicle and is not provided with a power driving device, is an important vehicle type for road transport, and a vehicle frame generally consists of longitudinal beams and transverse beams. The side beam type frame mainly comprises two side beams and a middle beam type frame, wherein the side beams type frame consists of two longitudinal beams and a plurality of cross beams which are positioned on two sides, and the longitudinal beams and the cross beams are connected into a firm rigid framework by a riveting method or a welding method.

The prior art has the following defects: because the semitrailer is longer in length and larger in load, the frame is easy to deform under long-term heavy pressure, so that the overall strength of the semitrailer is reduced to some extent, and the semitrailer cannot transport heavy objects well, so that the safety during transportation is not facilitated.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a semi-trailer stand assembly to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the semitrailer bracket assembly comprises a side frame, a rear frame is fixedly connected to one side of the inner side of the side frame, a front frame is fixedly connected to the other side of the inner side of the side frame, an inner frame is fixedly connected to the middle of the inner side of the side frame, fixing devices are fixedly connected between the inner frames, a jacking device is fixedly connected between the fixing devices, an underframe is fixedly connected to the bottoms of the rear frame and the front frame, the underframe comprises a bottom plate, and a bottom column is fixedly connected to the top of the bottom plate.

Preferably, the side frame comprises a side frame body, and a side frame fixing block is fixedly connected to the outer side of the side frame body.

Preferably, the rear frame comprises a rear frame main body, and rear frame reinforcing blocks are fixedly connected to the front side and the rear side of the rear frame main body.

Preferably, the inner frame comprises an inner frame main body, connecting blocks are fixedly connected to two sides of the front side of the inner frame main body, and fixing grooves are formed in the connecting blocks.

Preferably, the jacking device comprises a jacking cylinder, a movable groove is formed in the jacking cylinder, a jacking column is movably connected to the jacking cylinder, a spring is fixedly connected between the jacking cylinder and the jacking column, a rotating block is fixedly connected to one end of the jacking column, a fixing column is movably connected to the inner portion of the rotating block, and fixing plates are fixedly connected to two ends of the fixing column.

Preferably, the fixing device comprises a support column, the outside fixedly connected with installation piece of support column, the equal fixedly connected with mounting panel in both ends of support column, the inside swing joint of mounting panel has the bolt, the outside swing joint of bolt has the nut.

The utility model has the technical effects and advantages that:

The utility model is beneficial to the strength of the frame by arranging the underframe, the jacking device and the fixing device, so that the frame is more durable, the frame can still be ensured to be complete under long-term load, deformation can not easily occur due to long-term load, the inner frames can be supported by the underframe, the inner frames can not be bent due to overweight of the load, the inner frames are connected under the action of the fixing device, the weight of each inner frame can be shared when the frame is stressed unevenly, the strength of the frame is higher, the fixing device can be firmly fixed at the inner side of the inner frame under the jacking of the jacking device, deformation can not easily occur, and the frame is more durable.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the rear frame of the present utility model.

Fig. 3 is a schematic diagram of the overall structure of the inner frame of the present utility model.

Fig. 4 is a schematic cross-sectional view of the tightening device of the present utility model.

Fig. 5 is a schematic view of the whole structure of the fixing device of the present utility model.

Fig. 6 is a schematic view of the overall structure of the chassis of the present utility model.

The reference numerals are: 1. a side frame; 101. a side frame body; 102. a side frame fixing block; 2. a rear frame; 201. a rear frame main body; 202. a rear frame reinforcing block; 3. an inner frame; 301. an inner frame main body; 302. a connecting block; 303. a fixing groove; 4. a jacking device; 401. a top cylinder; 402. a spring; 403. a moving groove; 404. a fixing plate; 405. fixing the column; 406. a rotating block; 407. a top column; 5. a fixing device; 501. a support column; 502. a mounting block; 503. a bolt; 504. a mounting plate; 505. a nut; 6. a front frame; 7. a chassis; 701. a bottom plate; 702. and a bottom post.

Detailed Description

The following description will be made in detail, with reference to the drawings, of the present utility model, wherein the configurations of the structures described in the following embodiments are merely examples, and the semitrailer stand assembly according to the present utility model is not limited to the configurations described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of protection of the present utility model.

The utility model provides a semitrailer bracket assembly, which comprises a side frame 1, wherein one side of the inner side of the side frame 1 is fixedly connected with a rear frame 2, the other side of the inner side of the side frame 1 is fixedly connected with a front frame 6, the middle of the inner side of the side frame 1 is fixedly connected with an inner frame 3, fixing devices 5 are fixedly connected between the inner frames 3, a jacking device 4 is fixedly connected between the fixing devices 5, the bottoms of the rear frame 2 and the front frame 6 are fixedly connected with a bottom frame 7, the bottom frame 7 comprises a bottom plate 701, the top of the bottom plate 701 is fixedly connected with a bottom column 702, the bottom plate 701 and the bottom column 702 are of a trapezoid structure, the inner frame 3 can be better supported, and the inner frame 3 cannot collapse downwards due to overlarge gravity.

Further, the side frame 1 includes a side frame body 101, and a side frame fixing block 102 is fixedly connected to the outer side of the side frame body 101, and the side frame fixing block 102 makes the strength of the side frame body 101 higher.

Further, the rear frame 2 includes a rear frame body 201, and rear frame reinforcing blocks 202 are fixedly connected to both front and rear sides of the rear frame body 201, and the rear frame reinforcing blocks 202 make the strength of the rear frame body 201 higher.

Further, the inner frame 3 includes an inner frame main body 301, two sides of the front side of the inner frame main body 301 are fixedly connected with connecting blocks 302, fixing grooves 303 are formed in the connecting blocks 302, and the fixing grooves 303 are used for passing through bolts 503, so that the fixing device 5 is conveniently fixed between the inner frames 3.

Further, the jacking device 4 comprises a jacking cylinder 401, a moving groove 403 is formed in the jacking cylinder 401, a jacking column 407 is movably connected to the jacking cylinder 401, a spring 402 is fixedly connected between the jacking cylinder 401 and the jacking column 407, a rotating block 406 is fixedly connected to one end of the jacking column 407, a fixing column 405 is movably connected to the rotating block 406, fixing plates 404 are fixedly connected to two ends of the fixing column 405, the jacking column 407 can move in the jacking cylinder 401, the rotating block 406 can rotate outside the fixing column 405, and the installing block 502 can be firmly jacked under the action of the spring 402, so that the fixing device 5 is fixed more firmly and cannot be deformed easily.

Further, fixing device 5 includes support column 501, the outside fixedly connected with installation piece 502 of support column 501, the equal fixedly connected with mounting panel 504 in both ends of support column 501, the inside swing joint of mounting panel 504 has bolt 503, the outside swing joint of bolt 503 has nut 505, through using bolt 503 and nut 505, can fix it in the inboard of frame 3, and through crisscross fixed for its inner frame 3 can bear horizontal force, guarantees that its intensity is higher, and support column 501 is the structure of regular triangle, can better support it.

The working principle of the utility model is as follows: when the fixing device is used, the fixing devices 5 are fixed on the inner side of the inner frame 3 through cross placement, holes on the mounting plates 504 are aligned with the fixing grooves 303 on the connecting blocks 302, bolts 503 are used for fixing the fixing devices through the holes and nuts 505, the tightening devices 4 are welded between the mounting blocks 502 after the fixing of the two fixing devices 5 to be crossed is completed, the jacking columns 407 can move in the jacking cylinders 401, the rotating blocks 406 can rotate on the outer sides of the fixing columns 405, the mounting blocks 502 can be firmly jacked under the action of the springs 402, the fixing devices 5 are ensured to be fixed more firmly, deformation cannot easily occur, the fixing devices 5 are fixed in a cross manner, the inner frame 3 can bear transverse force, the strength of the fixing devices is ensured to be higher, the strength of the fixing devices can bear transverse and longitudinal force, the fixing devices are ensured to be more durable, the carrying capacity is better, the supporting columns 501 are of a regular triangular structure, the bottom plates and the bottom columns 702 are of a ladder body structure, the inner frame 3 can be supported better, and the inner frame 3 is ensured not to collapse down due to the fact that the gravity of the inner frame 3 is large.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. Semitrailer support assembly, including side bearer (1), its characterized in that: the side frame is characterized in that a rear frame (2) is fixedly connected to one side of the inner side of the side frame (1), a front frame (6) is fixedly connected to the other side of the inner side of the side frame (1), an inner frame (3) is fixedly connected to the middle of the inner side of the side frame (1), fixing devices (5) are fixedly connected between the inner frames (3), a jacking device (4) is fixedly connected between the fixing devices (5), an underframe (7) is fixedly connected to the bottoms of the rear frame (2) and the front frame (6), the underframe (7) comprises a bottom plate (701), and a bottom column (702) is fixedly connected to the top of the bottom plate (701).

2. The semitrailer bracket assembly as claimed in claim 1, wherein: the side frame (1) comprises a side frame main body (101), and a side frame fixing block (102) is fixedly connected to the outer side of the side frame main body (101).

3. The semitrailer bracket assembly as claimed in claim 1, wherein: the rear frame (2) comprises a rear frame main body (201), and rear frame reinforcing blocks (202) are fixedly connected to the front side and the rear side of the rear frame main body (201).

4. The semitrailer bracket assembly as claimed in claim 1, wherein: the inner frame (3) comprises an inner frame main body (301), connecting blocks (302) are fixedly connected to two sides of the front side of the inner frame main body (301), and fixing grooves (303) are formed in the connecting blocks (302).

5. The semitrailer bracket assembly as claimed in claim 1, wherein: the jacking device (4) comprises a jacking cylinder (401), a moving groove (403) is formed in the jacking cylinder (401), a jacking column (407) is movably connected in the jacking cylinder (401), a spring (402) is fixedly connected between the jacking cylinder (401) and the jacking column (407), a rotating block (406) is fixedly connected to one end of the jacking column (407), a fixing column (405) is movably connected to the inner portion of the rotating block (406), and fixing plates (404) are fixedly connected to two ends of the fixing column (405).

6. The semitrailer bracket assembly as claimed in claim 1, wherein: fixing device (5) are including support column (501), the outside fixedly connected with installation piece (502) of support column (501), the equal fixedly connected with mounting panel (504) in both ends of support column (501), the inside swing joint of mounting panel (504) has bolt (503), the outside swing joint of bolt (503) has nut (505).