CN217575356U

CN217575356U - Trailer carriage

Info

Publication number: CN217575356U
Application number: CN202221376331.1U
Authority: CN
Inventors: 吴志强; 王宇; 张恒
Original assignee: Guangdong Fuwa Engineering Manufacturing Co Ltd
Current assignee: Guangdong Fuwa Engineering Manufacturing Co Ltd
Priority date: 2022-06-05
Filing date: 2022-06-05
Publication date: 2022-10-14
Anticipated expiration: 2032-06-05

Abstract

A trailer sliding frame comprises two longitudinal beams and at least two cross beams positioned between the two longitudinal beams; the longitudinal beam comprises a side wall, an upper connecting wall and a lower connecting wall; the crossbeam comprises an upper connecting plate, a lower connecting plate which is positioned below the upper connecting plate and is opposite to the upper connecting plate, and an end plate which is positioned between the upper connecting plate and the end part of the lower connecting plate; the end part of the beam is arranged between the upper connecting wall and the lower connecting wall of the longitudinal beam, the upper connecting plate is attached below the upper connecting wall, the lower connecting plate is attached above the lower connecting wall, and the end plate is attached on the inner side of the side wall; the upper connecting plate is connected with the upper connecting wall through a first Haake bolt, the lower connecting plate is connected with the lower connecting wall through a second Haake bolt, and the end plate is connected with the side wall through a third Haake bolt. The utility model discloses owing to adopt and exempt from fixed longeron of welded mode and crossbeam for longeron and crossbeam can separately transport, have reduced the cost of transportation, simultaneously, utilize the haake bolt to realize the fast assembly of balladeur train.

Description

Trailer carriage

Technical Field

The utility model relates to a commercial vehicle technical field, concretely relates to trailer balladeur train.

Background

The balladeur train is installed on the girder of trailer frame, and the suspension of trailer is installed on the balladeur train, and the mobilizable cooperation of balladeur train and the girder of trailer, that is to say, adjustable balladeur train is in trailer girder length direction's position, adjusts the distance between trailer and the tractor then to make load can rational distribution, with this messenger's trailer can adapt to different road conditions. Current balladeur train is usually by two longerons, many crossbeams, and be used for installing suspension's support and constitute, the longeron adopts the welded mode fixed with the crossbeam junction, scaffold weldment is fixed on the longeron, consequently, need weld the back in advance with longeron and crossbeam, send the balladeur train to the final assembly plant through the commodity circulation and assemble with the trailer, longeron and crossbeam welding back, because its volume and weight are great, the space that the transportation occupy is great relatively, and be difficult to carry, lead to the cost of transportation of balladeur train higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a trailer balladeur train, it can separately transport longeron and crossbeam, reduces the cost of transportation of balladeur train, can realize fast assembly simultaneously to prior art's not enough, the utility model aims at providing a trailer balladeur train.

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

a trailer sliding frame comprises two longitudinal beams positioned on two sides of the sliding frame and at least two cross beams positioned between the two longitudinal beams;

the longitudinal beam comprises a side wall, an upper connecting wall positioned at the top of the side wall and a lower connecting wall positioned at the bottom of the side wall and opposite to the upper connecting wall;

the cross beam comprises an upper connecting plate, a lower connecting plate which is positioned below the upper connecting plate and is opposite to the upper connecting plate, and an end plate which is positioned between the upper connecting plate and the end part of the lower connecting plate; the end part of the beam is arranged between the upper connecting wall and the lower connecting wall of the longitudinal beam, the upper connecting plate is attached below the upper connecting wall, the lower connecting plate is attached above the lower connecting wall, and the end plate is attached to the inner side of the side wall;

the upper connecting plate is connected with the upper connecting wall through a first Hack bolt, the lower connecting plate is connected with the lower connecting wall through a second Hack bolt, and the end plate is connected with the side wall through a third Hack bolt.

The top of the side wall is provided with an inward extending bending part and a connecting part extending downwards from the inner side of the bending part, the upper connecting wall is formed by inwards bending the bottom of the connecting part, a reinforcing part is arranged above the upper connecting wall and comprises a reinforcing bottom plate attached to the upper surface of the upper connecting wall and a reinforcing rib plate formed by upwards bending one end of the reinforcing bottom plate, the reinforcing rib plate is perpendicular to the longitudinal beam in the length direction, the outer side edge of the reinforcing rib plate is abutted against the connecting part and is welded and fixed with the connecting part, a screw rod of a first Haake bolt sequentially penetrates through the upper connecting plate, the upper connecting wall and the reinforcing bottom plate from bottom to top, and a nut of the first Haake bolt is pressed on the upper surface of the reinforcing bottom plate.

The trailer sliding frame further comprises a support, the support comprises an outer support located on the outer side of the longitudinal beam and an inner support located on the inner side of the outer support, a mounting space is formed between the outer support and the inner support, the top of the outer support is attached to the outer surface of the side wall, a screw of a third hake bolt sequentially penetrates through the end plate, the side wall and the top of the outer support from inside to outside, and a nut of the third hake bolt is pressed on the outer surface of the outer support.

The inboard welded fastening of outer support has a backup pad down, is provided with the protruding muscle that upwards arch and extend along longeron length direction on the lower connecting wall, and protruding muscle top is arranged in to lower connecting plate, and the lower bolster closing cap is at protruding muscle below opening part, and the screw rod of second haake bolt passes upper junction plate, protruding muscle and lower backup pad from top to bottom, and the nut pressure of this second haake bolt is established the lower surface at the backup pad down.

Be provided with a constant head tank on the outer support, lie in the position department that lateral wall and lower connecting wall linked up on the longeron and form a location portion, this location portion forms a locating component with the constant head tank cooperation.

The inner support comprises two side plates and a horizontal connecting plate positioned between the two side plates, the horizontal connecting plate is attached to the lower surface of the lower connecting plate of the cross beam, and the horizontal connecting plate is connected to the lower connecting plate through a fourth Hack bolt.

The cross beam comprises two connecting beams with C-shaped sections, the openings of the two connecting beams are arranged oppositely, and each connecting beam comprises an upper connecting plate, a lower connecting plate and a web plate for connecting the upper connecting plate and the lower connecting plate together; two side plates of the inner support are respectively attached to the outer sides of two webs of the cross beam, and the webs and the side plates are connected through fifth Hake bolts.

The connecting beam is internally provided with a supporting piece positioned between the upper connecting plate and the lower connecting plate, the supporting piece is Z-shaped, the top of the supporting piece is sleeved on the screw rod of the first Haake bolt, and the bottom of the supporting piece is sleeved on the screw rod of the fourth Haake bolt.

The beneficial effects of the utility model reside in that:

the utility model discloses set up the longeron into the structure that the cross-section is C shape, make the crossbeam tip insert in the longeron, end plate on the crossbeam, the upper junction plate, the lower connecting plate pastes the lateral wall that leans on the longeron respectively, go up connecting wall and lower connecting wall, end plate and lateral wall, upper junction plate and last connecting wall, lower connecting plate and lower connecting wall are respectively through haake bolt fixed connection, thus, longeron and crossbeam are connected along the width direction of balladeur train to the third haake bolt, longeron and crossbeam are connected to first haake bolt and second haake bolt along the direction of height of balladeur train, owing to adopt and exempt from fixed longeron of welded mode and crossbeam, make longeron and crossbeam separately transport, the cost of transportation is reduced, and simultaneously, usable haake bolt is in the same place longeron and crossbeam are fixed, realize the fast assembly of balladeur train.

Drawings

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

fig. 2 is a schematic view of the installation of the present invention;

FIG. 3 is a schematic view of the mounting of the inner frame and the cross member of FIG. 2;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is a schematic view of a usage status of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, 2, 3, 4, for the utility model discloses a trailer carriage, it includes two longerons 10 and two crossbeams 20, two longerons 10 are located the both sides of balladeur train respectively and extend along the length direction of balladeur train, and two crossbeams 20 extend along the width direction of balladeur train and lie in between two longerons 10, and the both ends of crossbeam 20 are fixed with two longerons 10 respectively to make the balladeur train form one and can arrange the frame construction on the trailer frame in. The longitudinal beam 10 is formed by bending plate members, and when viewed in cross section, the longitudinal beam 10 includes a side wall 11, an upper connecting wall 12 at the top of the side wall 11, and a lower connecting wall 13 at the bottom of the side wall 11, the lower connecting wall 13 is disposed opposite to the upper connecting wall 12, and both are formed by bending the side wall 11 inward, thereby forming the longitudinal beam 10 into a C-shaped configuration with an opening inward in cross section, and an end portion of the cross beam 20 penetrates into the longitudinal beam 10 from the C-shaped opening of the longitudinal beam 10 from inside to outside, specifically, the cross beam 20 includes an upper connecting plate 212, a lower connecting plate 213 opposite to the upper connecting plate 212, and end plates 23 at the ends of the upper connecting plate 212 and the lower connecting plate 213, and after the cross beam 20 is inserted into the longitudinal beam 10, the end portion of the cross beam 20 is disposed between the upper connecting wall 12 and the lower connecting wall 13 of the longitudinal beam 10, the upper connecting plate 212 abuts against the lower surface of the upper connecting wall 13, and the end plates 23 abut against the inner side surfaces of the side wall 11, and the cross beam 20 is fitted in place with the side wall 11. The cross member 20 and the longitudinal member 10 are fixedly connected by fixing the upper connecting plate 212 and the upper connecting wall 12 together by the first haake bolt 50, fixing the lower connecting plate 213 and the lower connecting wall 23 together by the second haake bolt 90, and fixing the end plate 23 and the side wall 11 together by the third haake bolt 40.

The utility model discloses in, set up longeron 10 into the structure that the cross-section is C shape, make 20 tip of crossbeam can insert in the longeron 10, end plate 23 on the crossbeam 20, upper junction plate 212, lower connecting plate 213 pastes the lateral wall 11 that leans on longeron 10 respectively, go up connecting wall 12 and lower connecting wall 13, end plate 23 and lateral wall 11, upper junction plate 212 and last connecting wall 12, lower connecting plate 213 and lower connecting wall 13 are respectively through haake bolt fixed connection, thus, longeron 10 and crossbeam 20 are connected to the third haake bolt along the width direction of balladeur train, longeron 10 and crossbeam 20 are connected to first haake bolt and second haake bolt along the direction of height of balladeur train, owing to adopt and exempt from fixed longeron 10 of welded mode and crossbeam 20, make longeron 10 and crossbeam 20 separately transport, the cost of transportation is reduced, and simultaneously, usable haake bolt fixes longeron 10 and crossbeam 20 together, realize the fast assembly of balladeur train.

The carriage of the present invention is not limited to the two cross members 20, and three or more cross members 20 may be provided between the two longitudinal members 10.

In a preferred embodiment, the present invention further provides a bending portion 111 extending toward the inside and a connecting portion 112 extending downward from the inside of the bending portion 111 at the top of the sidewall 11, that is, the sidewall 11 is bent inward by 90 ° to form a horizontal bending portion 111, and then the bending portion 111 is bent downward to form a vertical connecting portion 112, the upper connecting wall 12 is formed by bending the connecting portion 112 inward, the upper connecting wall 12 is horizontal, and can be better attached to the upper surface of the upper connecting plate 212 of the cross beam 20, because the upper connecting wall 12 is of a suspended structure, a reinforcing member is further provided above the position of the upper connecting wall 12, which is matched with the cross beam 20, and the reinforcing member is fixed above the upper connecting wall 12, and includes a reinforcing bottom plate 14 attached to the upper surface of the upper connecting wall 12 and a reinforcing rib plate 15 formed by bending one end of the reinforcing bottom plate 14 upward, the reinforcing bottom plate 14 is used for increasing the thickness of the position of the upper connecting wall 12, which is connected with the cross beam 20, the reinforcing rib plate 15 is perpendicular to the length direction of the upper connecting wall 10, and the outer side edge of the reinforcing rib plate is abutted to the connecting portion 112 and is welded to the connecting portion 112, and the reinforcing rib plate 15 is welded to the connecting portion 112, and the connecting portion 12, thereby avoiding deformation of the connecting portion 112. The screw of the first haake bolt 50 sequentially penetrates through the upper connecting plate 212, the upper connecting wall 12 and the reinforcing bottom plate 14 from bottom to top, the nut 51 of the first haake bolt 50 is pressed on the upper surface of the reinforcing bottom plate 14, the longitudinal beam 10 is reinforced at the position where the upper connecting wall 12 is matched with the cross beam 20 by using the reinforcing piece, and meanwhile, the first haake bolt 50 is connected on the reinforcing piece in a penetrating manner, so that the connection matching position of the upper connecting wall 12 and the cross beam 20 is ensured to have better connection strength.

In another preferred embodiment, the trailer carriage of the present invention further comprises a bracket for mounting a suspension system of a vehicle, and in order to further facilitate transportation of the carriage, the bracket is also fixedly connected to the longitudinal beam 10 and the transverse beam 20 by using haake bolts, specifically, the bracket comprises an outer bracket 31 located outside the longitudinal beam 10 and an inner bracket 32 located inside the outer bracket 31 and opposite to the outer bracket 31, a mounting gap is formed between the inner bracket 32 and the outer bracket 31 to be suitable for assembly of the suspension system, the top of the outer bracket 31 is attached to the outer surface of the lateral wall 11, the bolt of the third haake bolt 40 sequentially passes through the top of the end plate 23, the lateral wall 11 and the outer bracket 31 from inside to outside, and the nut 41 of the third haake bolt 40 is pressed on the outer surface of the outer bracket 31, that is, that the third haake bolt 40 is used for fixedly connecting the end plate 23, the lateral wall 11 and the outer bracket 31 at the same time, and of course, in order to ensure stability, and since the end plate 23 can provide a large mounting area at the end of the transverse beam 20, a plurality of the third haake bolts 40 can be used for connecting the outer bracket 23, the lateral wall 11 and the outer bracket 31. The outer bracket 31 is provided with a positioning groove 311, a positioning part is formed at the joint position of the side wall 11 and the lower connecting wall 13 on the longitudinal beam 10, the positioning part and the positioning groove 311 are matched to form a positioning assembly for positioning the outer bracket 31 and the longitudinal beam 10 during assembly, the positioning groove 311 can be formed on the outer bracket 31 through a bending structure, the bending shape of the positioning groove is just consistent with the shape of an arc chamfer at the joint position of the upper side wall 11 and the lower connecting wall 13 of the longitudinal beam 10, so that when the outer bracket 31 is assembled on the longitudinal beam 10, the outer bracket 31 can be accurately aligned with the longitudinal beam 10, a screw rod of the third haake bolt 40 can smoothly pass through the end plate 23, the side wall 11 and the outer bracket 31, and the assembly efficiency is improved. The inner bracket 32 includes two side plates 321 and a horizontal connecting plate 322, the two side plates 321 are arranged along the length direction of the carriage and are opposite to each other, the horizontal connecting plate 322 is located between the two side plates 321, the horizontal connecting plate 322 is attached to the lower surface of the lower connecting plate 213 of the cross beam 20, and the horizontal connecting plate 322 is connected to the lower connecting plate 213 through the fourth haake bolt 80. In order to guarantee the intensity of crossbeam 20 itself, guarantee the joint strength of inner support 32, longeron 10 and crossbeam 20 simultaneously, the utility model discloses a crossbeam 20 includes tie-beam 21 and tie-beam 22, the structure of tie-beam 21 is the same with tie-beam 22, the cross-section of its two all is C shape, and the C shape opening of tie-beam 21 and tie-beam 22 is relative, tie-beam 21 and tie-beam 22 all include upper junction plate 212, lower junction plate 213 and the web 211 that links together upper junction plate 212 and lower junction plate 213, end plate 23 welds in the tip of tie-beam 21 and tie-beam 22 in order to constitute a holistic crossbeam 20, the both sides board 321 of inner support 32 leans on the outside at tie-beam 21 and tie-beam 22 web 211 respectively, and both sides board 321 connects on two webs 211 through fifth hake bolt 70 respectively. The horizontal connecting plates 322 are respectively fixed on the lower connecting plates 213 of the connecting beam 21 and the connecting beam 22 through a fourth haake bolt 80; at the end of the cross member 20, the lower connection plates 213 of the connection beams 21 and 22 are connected to the lower connection wall 13 by a second haake bolt 90, respectively, and the upper connection plates 212 of the connection beams 21 and 22 are connected to the upper connection wall 12 by a first haake bolt 50, respectively. In addition, a supporting member 24 located on the upper connecting plate 212 and the lower connecting plate 213 is further disposed in the connecting beam 21, the supporting member 24 is Z-shaped, the top of the supporting member 24 is sleeved on the screw rod of the first haake bolt 50, the bottom of the supporting member 24 is sleeved on the screw rod of the fourth haake bolt 80, the connecting beam 21 is reinforced by the supporting member 24 inside the connecting beam 21, during assembly, the screw rod of the first haake bolt 50 sequentially passes through the top of the supporting member 24, the upper connecting plate 212, the upper connecting wall 12 and the reinforcing bottom plate 14 from bottom to top, and the screw rod of the fourth haake bolt 80 sequentially passes through the bottom of the supporting member 24, the lower connecting plate 213 and the horizontal connecting plate 322 from top to bottom.

In addition, a convex rib 131 protruding upwards is arranged on the lower connecting wall 13, the convex rib 131 extends along the length direction of the longitudinal beam 10, the longitudinal bending strength of the lower connecting wall 13 can be increased through the convex rib 131, meanwhile, after the transverse beam 20 is inserted into the longitudinal beam 10, the lower connecting plate 213 of the transverse beam 20 is arranged above the top of the convex rib 131, a lower supporting plate 16 covering an opening below the convex rib 131 is arranged below the lower connecting wall 13, the lower supporting plate 16 is welded and fixed on the inner side of the outer bracket 31 in advance, a screw rod of the second haake bolt 90 penetrates through the lower connecting plate 213, the convex rib 131 and the lower supporting plate 16 from top to bottom, a nut 91 of the second haake bolt 90 is pressed on the lower surface of the lower supporting plate 16, the nut 91 of the second haake bolt 90 sufficiently presses the lower supporting plate 16, and a certain gap exists between the convex rib 131 and the lower supporting plate 16, when the nut 91 is tightened, the convex rib 131 can slightly deform, a certain pre-tightening force is generated on the nut 91, so that the connecting part of the lower connecting plate 213 and the lower connecting wall 13 has a better joint strength, thereby ensuring the tight fit.

Referring to fig. 5, the carriage of the present invention may be equipped with an air suspension system, which may be mounted on the carriage by the above-mentioned bracket.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A trailer sliding frame is characterized by comprising two longitudinal beams positioned at two sides of the sliding frame and at least two cross beams positioned between the two longitudinal beams;

the crossbeam comprises an upper connecting plate, a lower connecting plate which is positioned below the upper connecting plate and is opposite to the upper connecting plate, and an end plate which is positioned between the upper connecting plate and the end part of the lower connecting plate; the end part of the beam is arranged between the upper connecting wall and the lower connecting wall of the longitudinal beam, the upper connecting plate is attached below the upper connecting wall, the lower connecting plate is attached above the lower connecting wall, and the end plate is attached to the inner side of the side wall;

2. The trailer carriage as claimed in claim 1, wherein the top of the side wall is provided with an inward extending bent portion and a connecting portion extending downward from the inner side of the bent portion, the upper connecting wall is formed by bending the bottom of the connecting portion inward, a reinforcing member is arranged above the upper connecting wall, the reinforcing member comprises a reinforcing bottom plate attached to the upper surface of the upper connecting wall and a reinforcing rib plate formed by bending one end of the reinforcing bottom plate upward, the reinforcing rib plate is perpendicular to the longitudinal beam in the length direction, the outer side edge of the reinforcing rib plate abuts against the connecting portion and is welded and fixed with the connecting portion, a screw of the first haake bolt sequentially penetrates through the upper connecting plate, the upper connecting wall and the reinforcing bottom plate from bottom to top, and a nut of the first haake bolt is pressed on the upper surface of the reinforcing bottom plate.

3. The trailer carriage as claimed in claim 1, wherein the trailer carriage further comprises a support frame comprising an outer support frame located outside the longitudinal beam and an inner support frame located inside the outer support frame, a mounting space is formed between the outer support frame and the inner support frame, the top of the outer support frame abuts against the outer surface of the side wall, a screw of a third haake bolt sequentially penetrates through the end plate, the side wall and the top of the outer support frame from inside to outside, and a nut of the third haake bolt is pressed against the outer surface of the outer support frame.

4. The trailer carriage as claimed in claim 3, wherein a lower support plate is welded to an inner side of the outer bracket, a rib protruding upward and extending in a longitudinal direction of the longitudinal beam is provided on the lower connecting wall, the lower connecting plate is disposed above a top of the rib, the lower support plate covers an opening below the rib, a screw of the second haake bolt penetrates through the upper connecting plate, the rib and the lower support plate from top to bottom, and a nut of the second haake bolt is pressed on a lower surface of the lower support plate.

5. The trailer carriage as claimed in claim 3, wherein the outer bracket is provided with a detent groove, and the longitudinal beam is provided with a detent at a position where the side wall and the lower connecting wall are joined, the detent cooperating with the detent groove to form a detent assembly.

6. The trailer carriage as in claim 3 wherein the inner bracket includes two side plates and a horizontal web therebetween, the horizontal web abutting a lower surface of the lower web of the cross rail, the horizontal web being connected to the lower web by a fourth Hack bolt.

7. The trailer carriage as claimed in claim 6, wherein the cross beam comprises two connecting beams having a C-shaped cross section, the openings of the two connecting beams being disposed opposite each other, each connecting beam comprising an upper connecting plate, a lower connecting plate, and a web connecting the upper connecting plate and the lower connecting plate together; two side plates of the inner support are respectively attached to the outer sides of two webs of the cross beam, and the webs and the side plates are connected through fifth Hack bolts.

8. The trailer carriage as in claim 7 wherein a support member is disposed within the connector beam between the upper connector plate and the lower connector plate, the support member being Z-shaped, the support member having a top portion disposed over the first haake bolt screw and a bottom portion disposed over the fourth haake bolt screw.