CN211196357U

CN211196357U - A novel auxiliary girder is connected device for cross-country car as a house

Info

Publication number: CN211196357U
Application number: CN201922299604.1U
Authority: CN
Inventors: 刘今朝; 史敦国; 董永杰; 赵辉
Original assignee: Luoyang Deye Special Vehicle Co ltd
Current assignee: Henan Deye Special Vehicle Co.,Ltd.
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-07
Anticipated expiration: 2029-12-19

Abstract

A novel auxiliary beam connecting device for a cross-country motor home relates to the technical field of connection of a loading compartment body and a chassis on a motor home, and comprises a front hinge part, a rear hinge part, an auxiliary beam and two girder channel steel; the auxiliary beam is mainly formed by two longitudinal beams and a plurality of transverse beams, and a front connecting frame and a rear connecting frame are fixed between the two longitudinal beams; the front hinge part comprises a transverse hinge shaft, a first buffer sleeve, a first shaft sleeve and a C-shaped support base, the transverse hinge shaft and the first shaft sleeve can rotate relatively, the middle part of a shaft body of the transverse hinge shaft is fixedly connected with the lower parts of short longitudinal beams of the front connecting frame, and the lower parts of the two first shaft sleeves are fixedly provided with two support bases; the rear articulated piece enables the rear connecting frame to swing left and right relative to the two girder channel steels, and air springs are arranged between the girder channel steels and the corresponding longitudinal beams; the auxiliary beam connecting device not only can be more effectively adapted to the twisting and jolting of the crossbeam in a cross-country state, but also has enough strength and rigidity to ensure the firmness and stability of the upper carriage.

Description

A novel auxiliary girder is connected device for cross-country car as a house

Technical Field

The utility model belongs to the technical field of the technique of being connected on loading railway carriage or compartment body and chassis on the car as a house and specifically relates to a novel auxiliary girder connecting device for cross-country car as a house is related to.

Background

The vehicle must adopt a non-bearing body structure to realize the cross-country function, namely a crossbeam; the crossbeam generally forms a skeleton by adding a crossbeam in the middle of two channel steels and penetrates through the whole length of the vehicle, and all the skeletons are connected in a riveting mode and have enough strength and certain rigidity; the wheel axle, the suspension system, the engine, the gearbox, the vehicle head and the like all use the girder as a carrier and are called as a chassis after being assembled; when the vehicle runs normally, the vibration and jolt transmitted from the ground are absorbed by the wheels and the suspension system, the girder basically has no deformation, but when the chassis is off-road, the girder can be twisted and deformed to absorb the impact force due to the impact caused by extreme road conditions and driving states;

a Chinese utility model with publication number CN206273648U discloses a flexible fixing device for a carriage chassis, wherein a carriage is connected with the chassis through a transverse fixing component and a longitudinal fixing component, the transverse fixing component can enable the carriage to swing left and right relative to the chassis, and the longitudinal fixing component can enable the carriage to swing front and back relative to the chassis, so as to offset the deformation of the chassis; however, from the disclosure there are two drawbacks: the cross-country motor home has the advantages that the carriage of the cross-country motor home is large in size, the length and the width of the carriage are larger than those of a chassis, the whole bottom of the traditional carriage is directly connected with the chassis, the carriage can be stably supported, and the carriage is connected with the chassis only through a transverse fixing assembly and a longitudinal fixing assembly, so that the carriage is not stably connected with the chassis due to the fact that connecting nodes are too few and the connecting mode is simple; secondly, the carriage of the off-road motor home is heavy, and the contact supporting area between the transverse fixing assembly and the longitudinal fixing assembly and the carriage is too small, so that the deformation of the bottom of the carriage is easily caused even if the deformation of the chassis can be relieved.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses a novel auxiliary girder connecting device for cross-country car as a house not only can be more effectual adaptation under cross-country state the turning of girder with jolt, have sufficient intensity and rigidity moreover and guarantee the firm stability in facial make-up carriage.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel auxiliary beam connecting device for a cross-country motor home comprises a front hinge part, a rear hinge part, an auxiliary beam and two girder channel steels, wherein the two girder channel steels are arranged in parallel at intervals and have opposite notches; the auxiliary beam is mainly of a frame structure formed by welding two parallel longitudinal beams and a plurality of transverse beams, the two longitudinal beams are respectively and correspondingly positioned on the outer sides above the two girder channel steels, a front connecting frame and a rear connecting frame are respectively fixed at the front end and the rear end between the two longitudinal beams, and the front connecting frame is of an I-shaped structure consisting of two short transverse beams and at least one short longitudinal beam; the front articulated piece comprises a transverse hinged shaft, a first buffer sleeve, a first shaft sleeve and a C-shaped bracket base, wherein the shaft bodies at two ends of the transverse hinged shaft are respectively sleeved with the first buffer sleeve, the first buffer sleeve is sleeved with the first shaft sleeve, the transverse hinged shaft and the first shaft sleeve can rotate relatively, the middle part of the shaft body of the transverse hinged shaft is fixedly connected with the lower part of a short longitudinal beam of the front connecting frame, two end faces of the transverse hinged shaft are respectively and correspondingly and fixedly connected with the inner side faces of two longitudinal beams, two C-shaped bracket bases are symmetrically fixed at the lower parts of the two first shaft sleeves, and the bracket bases cover the outer sides of corresponding channel steel and are fixedly connected with the beam channel steel; the upper portion and the lower portion of the rear hinge piece are fixedly connected with the rear connecting frame and the two girder channel steels respectively, so that the rear connecting frame can swing left and right relative to the two girder channel steels, and air springs are arranged between the girder channel steels near the two outer sides of the rear hinge piece and the corresponding longitudinal beams.

Further, back articulated elements contains the upper junction plate and the lower connecting plate of indulging hinge and corresponding from top to bottom, down the connecting plate on the face bilateral symmetry be equipped with two obtuse angle interior set squares up, the upper junction plate lower face bilateral symmetry be equipped with two obtuse angle outer set squares down, two interior set squares are located between two outer set squares, the both ends of indulging the hinge respectively with the obtuse angle fixed connection of two outer set squares, the axle body middle part cover of indulging the hinge is equipped with articulated pipe, articulated pipe overcoat is equipped with the second cushion collar, the second cushion collar overcoat is equipped with the second axle sleeve, and indulge the hinge and can rotate relatively with the second axle sleeve, the obtuse angle fixed connection of second axle sleeve and interior set square.

Furthermore, the upper connecting plate is fixedly connected with the rear connecting frame, and two ends of the lower plate surface of the lower connecting plate are fixedly connected with the inner sides of the corresponding girder channel steels through saddles.

Further, the number of the short longitudinal beams is two.

Further, the support base is of a shell structure with a cavity inside.

Furthermore, the first buffer sleeve is made of polytetrafluoroethylene.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a novel auxiliary beam connecting device for cross-country motor home, through setting up the fixed connection of auxiliary beam and carriage bottom, because auxiliary beam itself has sufficient intensity and rigidity, make the whole carriage support steadily, the carriage bottom is difficult to warp yet, in addition the auxiliary beam is the frame construction, also can absorb certain vibrations and deformation; the auxiliary beam and the girder channel steel are flexibly connected through a front hinge piece and a rear hinge piece, the front end of the auxiliary beam is transversely hinged through the front hinge piece, the rear end of the auxiliary beam is longitudinally hinged through the rear hinge piece, and the vibration and the deformation transmitted by the chassis can be absorbed, so that the girder of the motor home is not easy to deform and damage in a cross-country state; meanwhile, the transverse hinged shaft is directly and fixedly connected with the front connecting frame of the auxiliary beam, and the bracket base wraps the girder channel steel and is fixedly connected, so that the structure is compact, the structural strength is increased, the subsequent installation is convenient, and the first buffer sleeve is arranged between the transverse hinged shaft and the first shaft sleeve, so that certain elasticity can be ensured, and the transverse hinged shaft can be effectively held tightly; air springs on two sides of the rear hinge piece are inflated and tightly propped, so that the carriage can be assisted to be balanced, and meanwhile, damping is increased when the carriage swings, and the swinging frequency is reduced; to sum up, for prior art, the utility model discloses not only can more effectual adaptation under cross country state the turning of girder with jolt, have sufficient intensity and rigidity moreover and guarantee the firm stability in facial make-up carriage.

Drawings

Fig. 1 is a schematic view of the present invention;

FIG. 2 is a schematic right-side view of FIG. 1;

FIG. 3 is a schematic view of the connection of the front hinge;

FIG. 4 is a schematic perspective view of the front hinge member;

FIG. 5 is a schematic view of the connection of the rear hinge;

fig. 6 is a perspective view of the rear hinge.

In the figure: 1. a front connecting frame; 101. (ii) a 102. (ii) a 2. A longitudinal beam; 3. a rear connecting frame; 4. a front hinge; 401. a transverse hinge shaft; 402. a first cushion collar; 403. a first bushing; 404. a support base; 5. an air spring; 6. a rear hinge; 601. an upper connecting plate; 602. an outer triangle; 603. a longitudinal hinge shaft; 604. a lower connecting plate; 605. a saddle; 606. a hinged tube; 607. a second cushion collar; 608. a second shaft sleeve; 609. an inner triangle; 7. girder channel steel.

Detailed Description

The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:

the novel secondary beam connecting device for a cross-country motor home described in conjunction with fig. 1-6 comprises a front hinge 4, a rear hinge 6, a secondary beam and two girder channel steels 7 with opposite notches and arranged in parallel at intervals; the auxiliary beam is mainly of a frame structure formed by welding two parallel longitudinal beams 2 and a plurality of transverse beams, the two longitudinal beams 2 are respectively and correspondingly positioned at the outer sides above the two girder channel steels 7, the auxiliary beam is formed by welding hollow rectangular section steels, and the top surface of the auxiliary beam is connected with a carriage; a front connecting frame 1 and a rear connecting frame 3 are respectively fixed at the front end and the rear end between the two longitudinal beams 2, the front connecting frame 1 is an I-shaped structure consisting of two short transverse beams 101 and at least one short longitudinal beam 102, and the number of the short longitudinal beams 102 is two according to requirements, so that the connection with the transverse hinge shaft 401 is ensured to be stable; the auxiliary beam has enough strength and rigidity, so that the whole carriage is stably supported, the bottom of the carriage is not easy to deform, and the auxiliary beam is of a frame structure and can absorb certain vibration and deformation;

the front hinge part 4 comprises a transverse hinge shaft 401, a first buffer sleeve 402, a first shaft sleeve 403 and a C-shaped support base 404, the first buffer sleeve 403 is sleeved outside the shaft bodies at two ends of the transverse hinge shaft 401 respectively, and in addition, the first buffer sleeve 402 is made of polytetrafluoroethylene materials, so that certain elasticity can be ensured, and the transverse hinge shaft 401 can be effectively clasped; a first shaft sleeve 403 is sleeved outside the first buffer sleeve 402, the transverse hinge shaft 401 and the first shaft sleeve 403 can rotate relatively, the middle of the shaft body of the transverse hinge shaft 401 is fixedly connected with the lower part of the short longitudinal beam 102 of the front connecting frame 1, two end faces of the transverse hinge shaft 401 are respectively and correspondingly fixedly connected with the inner side faces of the two longitudinal beams 2, the axis of the transverse hinge shaft 401 is perpendicular to the longitudinal axis of the vehicle and is arranged at the front ends of the two girder channel steel 7 as far as possible, the transverse hinge shaft can be arranged at the front end of the two girder channel steel 7 as far as possible according to the structure of the girder channel steel 7, the transverse hinge shaft 401 is directly welded on the front connecting frame 1 of the auxiliary beam by adopting a; two C-shaped support bases 404 are symmetrically fixed at the lower parts of the two first shaft sleeves 403, the support bases 404 are wrapped on the outer sides of the corresponding girder channel steels 7 and fixedly connected with the girder channel steels 7, and the support bases 404 are welded workpieces and fastened with girders through bolts; as required, the bracket base 404 is a shell structure with a cavity therein, which can not only ensure certain strength and rigidity, but also absorb shock and deformation;

the upper part and the lower part of the rear hinge part 6 are respectively fixedly connected with the rear connecting frame 3 and the two girder channel steels 7, the upper part and the lower part of the rear hinge part 6 are hinged, so that the rear connecting frame 3 can swing left and right relative to the two girder channel steels 7, air springs 5 are arranged between the girder channel steels 7 near the two outer sides of the rear hinge part 6 and the corresponding longitudinal beams 2, the air springs 5 balance part of the weight of the carriage, the stress of the longitudinal hinge shaft 603 is reduced to a certain extent, and meanwhile, damping is increased to slow down the swing of the carriage when the chassis is twisted; according to the requirement, the rear hinge part 6 comprises a longitudinal hinge shaft 603 and an upper connecting plate 601 and a lower connecting plate 604 which are corresponding up and down, the axis of the longitudinal hinge shaft 603 is parallel to the longitudinal axis of the vehicle and is superposed with the central plane of the vehicle, two inner triangular plates 609 with obtuse angles facing upwards are symmetrically arranged on two sides of the upper plate surface of the lower connecting plate 604, two outer triangular plates 602 with obtuse angles facing downwards are symmetrically arranged on two sides of the lower plate surface of the upper connecting plate 601, the two inner triangular plates 609 are positioned between the two outer triangular plates 602, and a gap is reserved between the inner triangular plates 609 and the corresponding outer triangular plates 602, so that the girder channel steel 7 is not blocked when being twisted; two ends of a longitudinal hinge shaft 603 are fixedly connected with obtuse angles of the two outer triangular plates 602 respectively, a hinge pipe 606 is sleeved in the middle of a shaft body of the longitudinal hinge shaft 603, the hinge pipe 606 is used for ensuring that the distance between the two outer triangular plates 602 is unchanged, a second buffer sleeve 607 is sleeved outside the hinge pipe 606 for buffering, a second shaft sleeve 608 is sleeved outside the second buffer sleeve 607, the longitudinal hinge shaft 603 and the second shaft sleeve 608 can rotate relatively, and the second shaft sleeve 608 is fixedly connected with the obtuse angle of the inner triangular plate 609; in addition, the upper connecting plate 601 is fixedly connected with the rear connecting frame 3, and two ends of the lower plate surface of the lower connecting plate 604 are fixedly connected with the inner sides of the corresponding girder channel steels 7 through saddles 605, so that the structure is compact, and the connection is stable.

The part of the utility model not detailed is prior art.

Claims

1. The utility model provides a novel auxiliary girder connecting device for cross-country motor home which characterized in that: comprises a front articulated piece (4), a rear articulated piece (6), a secondary beam and two girder channel steels (7) which are arranged in parallel at intervals and have opposite notches; the auxiliary beam is mainly of a frame structure formed by welding two parallel longitudinal beams (2) and a plurality of transverse beams, the two longitudinal beams (2) are respectively and correspondingly positioned on the outer sides above two girder channel steel (7), a front connecting frame (1) and a rear connecting frame (3) are respectively fixed at the front end and the rear end between the two longitudinal beams (2), and the front connecting frame (1) is of an I-shaped structure consisting of two short cross beams (101) and at least one short longitudinal beam (102); the front hinge part (4) comprises a transverse hinge shaft (401), a first buffer sleeve (402), a first shaft sleeve (403) and a C-shaped support seat (404), the shaft bodies at two ends of the transverse hinge shaft (401) are respectively sleeved with the first buffer sleeve (402), the first buffer sleeve (402) is sleeved with the first shaft sleeve (403), the transverse hinge shaft (401) and the first shaft sleeve (403) can rotate relatively, the middle part of the shaft body of the transverse hinge shaft (401) is fixedly connected with the lower part of a short longitudinal beam (102) of the front connecting frame (1), two end faces of the transverse hinge shaft (401) are respectively and correspondingly and fixedly connected with the inner side faces of two longitudinal beams (2), two C-shaped support seats (404) are symmetrically fixed on the lower parts of the two first shaft sleeves (403), and the support seats (404) cover the outer sides of the corresponding girder channel steel (7) and are fixedly connected with the girder channel steel (7); the upper portion and the lower portion of back articulated elements (6) respectively with back link (3) and two girder channel-section steels (7) fixed connection for back link (3) can be for two girder channel-section steels (7) horizontal hunting, all is equipped with air spring (5) between girder channel-section steels (7) near two outsides of back articulated elements (6) and the vertical roof beam (2) that correspond.

2. The novel secondary beam connection device for a cross-country motor home as claimed in claim 1, wherein: the rear hinged part (6) comprises a longitudinal hinged shaft (603) and an upper connecting plate (601) and a lower connecting plate (604) which are corresponding up and down, two inner triangular plates (609) with obtuse angles upward are symmetrically arranged on two sides of the upper plate surface of the lower connecting plate (604), two outer triangular plates (602) with downward obtuse angles are symmetrically arranged on two sides of the lower plate surface of the upper connecting plate (601), two inner triangular plates (609) are positioned between the two outer triangular plates (602), two ends of a longitudinal hinge shaft (603) are respectively fixedly connected with the obtuse angles of the two outer triangular plates (602), a hinge pipe (606) is sleeved in the middle of the shaft body of the longitudinal hinge shaft (603), a second buffer sleeve (607) is sleeved outside the hinge pipe (606), a second shaft sleeve (608) is sleeved outside the second buffer sleeve (607), the longitudinal hinge shaft (603) and a second shaft sleeve (608) can rotate relatively, and the second shaft sleeve (608) is fixedly connected with an obtuse angle of the inner triangle (609).

3. The novel secondary beam connection device for a cross-country motor home of claim 2, wherein: the upper connecting plate (601) is fixedly connected with the rear connecting frame (3), and two ends of the lower plate surface of the lower connecting plate (604) are fixedly connected with the inner side of the corresponding girder channel steel (7) through saddles (605).

4. The novel secondary beam connection device for a cross-country motor home as claimed in claim 1, wherein: the number of the short longitudinal beams (102) is two.

5. The novel secondary beam connection device for a cross-country motor home as claimed in claim 1, wherein: the support base (404) is of a shell structure with a cavity inside.

6. The novel secondary beam connection device for a cross-country motor home as claimed in claim 1, wherein: the first buffer sleeve (402) is made of polytetrafluoroethylene.