JP6553278B1 - Method of constructing trailer chassis and trailer chassis - Google Patents

Abstract

[PROBLEMS] When a destination is reached, the width of the chassis, which has been limited by the legal regulations when operating on a general road, can be easily expanded, and the living part built on the chassis can be expanded on the chassis. A configuration that is widened in the width direction is provided. An expansion chassis portion is formed by assembling an attachment member comprising an expansion side steel material, an expansion side connection steel material, and an inner support plate and an outer support plate to the main body chassis, and the expansion chassis portion is fixed to and removed from the main body chassis. It is possible. [Selection] Figure 1

Description

  The present invention relates to a method of constructing a chassis of a trailer and a chassis of the trailer.

  The trailer chassis includes a frame body configured in a rectangular shape by connecting two metal long side pillars arranged in parallel to a number of metal short side pillars arranged in parallel. . The trailer chassis is towed by a towing vehicle and supports the living section.

  In Patent Document 1, in FIG. 2, a frame body in which a steel frame having an H-shaped cross section is assembled into a rectangular frame shape, and the long side steel frames of the rectangular frame body are connected to each other at intermediate portions of the long steel frames. A chassis comprising a plurality of bridges is described.

  Patent Document 1 includes a unit frame in which a wheel unit is formed in a frame shape in FIG. 8, and the unit frame is wider than the base frame, and is detachably assembled with a bolt under the base frame. Is described.

Patent No. 5800271 JP 2012-76732 A

  If you can expand the width of the chassis that was restricted by the legal regulations when you reached the destination, you can expand the width of the living part built on the chassis in the width direction. There is a need to be able to get a wide and comfortable living space.

  In the structure described in the patent document, when the destination is reached, the width of the chassis, which was restricted by the legal provisions, cannot be expanded, and the residence built on the chassis The part can not be spread in the width direction on the chassis.

  In view of this point, the present invention can easily expand the width of the chassis, which has been limited in width when operated on a general road by law, when the destination is reached, and the residence built on the chassis. It is an object of the present invention to be able to obtain a wide and comfortable living space with a configuration in which the portion is widened on the chassis in the width direction.

  In the present invention, an expansion chassis can be assembled by attaching a touch attachment member that expands the main chassis, and when the expansion chassis is assembled, a chassis of 5.5 m to 11 m × 2 m to 3.5 m can be assembled. Solve problems by making it possible to design freely by making it free.

The present invention relates to a chassis of a trailer to be pulled by an automobile, in which two longitudinally-arranged steel members arranged side by side in the longitudinal direction of the chassis, horizontally disposed, and having a space portion on both the inside and the outside around the center. And a steel member disposed between the steel members and formed in an outer frame shape having a rectangular cross section formed of an internal connection steel member connected in a direction perpendicular to the steel members, and the wheel mounting portion is provided on the chassis A method of constructing a chassis of a trailer may be provided, the wheel mounting portion may be mounted with a wheel for holding an outer frame, and a leading end of the outer frame may be provided with a traction means.
As a first step,
A main body chassis in which an H steel material is used as the main body side steel material and is formed in a rectangular outer frame shape, and the inner space portions on both sides of the main body side steel material are arranged in an outward horizontal direction,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
Preparing an expansion side connecting steel material that can be horizontally disposed between the main body side steel material 3 and the expansion side steel material 24, and can be fixed to and removed from the inner support plate and the outer support plate;
As a second step,
An expansion chassis part is formed by assembling an attachment member composed of the expansion side steel material, the expansion side connecting steel material, and the inner support plate and the outer support plate to the main body chassis, and the expansion chassis portion is fixed to the main body chassis.
A wheel mounting portion having an axle support device for mounting a wheel is formed over the extended chassis portion including the inside of the main body chassis, and the wheel is attached to the outside of the main body chassis within the extended chassis portion to constitute the chassis of the trailer. To provide a method of constructing a trailer chassis characterized by:

The present invention relates to a chassis of a trailer to be pulled by an automobile, in which two longitudinally-arranged steel members arranged side by side in the longitudinal direction of the chassis, horizontally disposed, and having a space portion on both the inside and the outside around the center. And the steel material, and has a chassis formed in an outer frame shape having a rectangular cross section formed of an internal connection steel material connected from the steel material in a direction perpendicular to the steel material, and the wheel mounting portion A trailer chassis may be provided, and the wheel mounting portion may be mounted with a wheel for holding the outer frame, and a leading end of the outer frame is provided with a traction means.
H steel material is used as the steel material to be a main body side steel material, and is formed in a rectangular outer frame shape, and a main body chassis in which inner space portions on both sides of the main body side steel material are arranged horizontally outward
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
An expansion side connecting steel material that is horizontally disposed between the main body side steel material 3 and the expansion side steel material 24 and can be fixed to and removed from the inner support plate and the outer support plate;
An expansion chassis part is formed by assembling an attachment member composed of the expansion side steel material, the expansion side connection steel material, and the inner support plate and the outer support plate to the main body chassis, and the expansion chassis portion is fixed and removed from the main body chassis. Is possible,
A wheel mounting portion having an axle support device for mounting a wheel is formed over the extended chassis portion including the inside of the main body chassis, and the wheel is mounted inside the extended chassis portion and outside the main body chassis to constitute a trailer chassis. To provide a trailer chassis that is characterized by being capable of

The present invention relates to a chassis of a trailer to be pulled by an automobile, in which two longitudinally-arranged steel members arranged side by side in the longitudinal direction of the chassis, horizontally disposed, and having a space portion on both the inside and the outside around the center. And the steel material, and has a chassis formed in an outer frame shape having a rectangular cross section formed of an internal connection steel material connected from the steel material in a direction perpendicular to the steel material, and the wheel mounting portion A trailer chassis may be provided, and the wheel mounting portion may be mounted with a wheel for holding the outer frame, and a leading end of the outer frame is provided with a traction means.
A main body chassis in which an H steel material is used as the main body side steel material and is formed in a rectangular outer frame shape, and the inner space portions on both sides of the main body side steel material are arranged in an outward horizontal direction,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
An expansion side connecting steel material that is horizontally disposed between the main body side steel material 3 and the expansion side steel material 24 and can be fixed to and removed from the inner support plate and the outer support plate;
An expansion chassis part is formed by assembling an attachment member composed of the expansion side steel material, the expansion side connection steel material, and the inner support plate and the outer support plate to the main body chassis, and the expansion chassis portion is fixed and removed from the main body chassis. Provide a trailer chassis that is characterized as possible.

  According to the present invention, as described above, an expansion chassis portion is formed by assembling an attachment member composed of the expansion side steel material, the expansion side connecting steel material, and the inner support plate and the outer support plate to the main body chassis, A chassis mounting portion is fixed to the main chassis, and a wheel mounting portion having an axle support device for mounting the wheel is formed over the expansion chassis including the main chassis, and the wheel is in the expansion chassis and outside the main chassis. Can be attached to to configure the trailer chassis.

  As a result, when the user arrives at the destination, the width of the chassis, which was restricted by the legal regulations when the road was operated, can be easily expanded. A wide and comfortable living space can be obtained by extending the width of the chassis.

A view from below of the configuration of the trailer chassis according to the embodiment of the present invention Diagram showing the configuration of the main chassis 1 The figure which shows the example in which the leaf | plate spring was used for the axle shaft supporting device 12. A diagram showing another configuration of the main body chassis 1 The figure explaining the attachment method of a wheel among the structural methods of the expansion chassis part 2 assembled to the main body chassis 1, and provided so that fixation and removal are possible. The figure explaining the attachment method of the expansion side connection steel material 28 among the construction methods of the expansion chassis part 2 assembled to the main body chassis 1, and provided so that fixation and removal are possible. The figure explaining the structure method of the expansion chassis part 2 assembled to the main body chassis 1 and provided so that fixation and removal are possible. The figure which shows the state which the wheel mounting part 10 provided in the chassis suspends the wheel 12 via the axle support device 12. Side view of the chassis viewed from the side The figure which shows the state which the wheel mounting part suspends the wheel via the axle support device Rear view of the chassis 100 Figure showing an alternative to the configuration of the chassis shown in Figure 1

The terms used in the present embodiment are described as follows.
<Main body chassis> An inner frame formed by using an H-shaped steel material for the steel material and the inner space portions on both sides of the H-shaped steel material being arranged outwardly <Extended chassis portion> The outer frame is formed by an attachment member on the outer side of the main body chassis Frame.
It is assembled sideways to the body chassis and secured to expand the body chassis and be removed at any time.
<Chassis> Trailer chassis with an extended chassis formed on the outside of the main chassis <Main body side steel, H steel> H steel: H-shaped, both sides I up and down, both sides of H Steel material arranged so that the space is in the horizontal direction. Main body side steel material: H steel material used for the structure of the main body chassis, used in a state where H is turned 90 °. Used in the turned state, the internal space is used for connection.
<L-shaped steel> Steel member which is L-shaped, one side I is upside, and the space part on one side of L is disposed inward and horizontal direction <expansion side steel> A member constituting an attachment member, a main body Steels arranged side by side and parallel to each other. L-shaped steel material or H steel material is used. The L-shaped steel is used in a state where it is turned 180 °, the H steel material is used in a state where H is turned 90 °, and the internal space is used for connection.
<Attachment member> A member that is composed of an expansion side steel material, an expansion side connecting steel material, an inner support plate, and an outer support plate, and that can be assembled and configured to the expansion chassis, and can be fixed to and removed from the main body chassis 1

Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a view of the configuration of a trailer chassis according to an embodiment of the present invention as viewed from below.

  In FIG. 1, a trailer chassis 100 (hereinafter referred to as a chassis 100) is a trailer chassis to be pulled by an automobile, which is arranged side by side in the longitudinal direction of the chassis, is laterally placed, and both inside and outside of the center. The cross-sectional rectangular shape formed of two longitudinally arranged steel members 3 and 4 in which the space portion is formed and the internal connection steel member 5 disposed between the steel members and connected in a direction perpendicular to the steel members It has a frame, the wheel mounting part 10 is provided in this outer frame, the wheel 11 holding an outer frame can be attached to the wheel mounting part 10, and the pulling means 6 is provided in the front-end | tip part of this outer frame.

The chassis 100 has a main chassis 1 formed of an outer frame in which H steels are used as steel materials and inner space portions on both sides of the H steels are disposed horizontally outward (hereinafter, the H steels are used on the main body side) It is called H steel.)
It has an inner support plate 21 which can be removed and fixed to the inner space portions 22 and 23 of the main body side steel members 3 and 4 (see FIG. 7, the same applies hereinafter),
It has the expansion side steel materials 24 and 25 which can be arrange | positioned in parallel with the space | interval part on the outer side of the main body side steel materials 3 and 4, and the said expansion side steel materials 24 and 25 are L-shaped steel materials. Alternatively, an H steel material is used, and the L-shaped steel material can have its inner space portion 26 arranged in an inward horizontal direction (hereinafter, when the expanded side steel materials 24 and 25 are referred to individually, the expanded-side L-shaped steel material or expanded Side H steel material, which is generally referred to as expansion side steel material), L type steel material or H steel material is used for the expansion side steel material, and in the case of L type steel material, the inner space portion is turned inward by 180 °. It can be arranged horizontally, and in the case of H steel, it can be turned 90 ° so that the inner space can be arranged horizontally inward,
It has an outer supporting plate 27 which can be fixed and removed in an inner space 26 formed inside the extension side steel,
The connecting steel can be arranged in the horizontal direction between the main body side steel 3 and the extension side steel 24 and can be fixed to and removed from the inner support plate and the outer support plate,
The expansion chassis part 2 by the attachment member which consists of the expansion side steel material 24, the expansion side connection steel material 28, the inner side support plate 21, and the outer side support plate 27 can be assembled, can be fixed to the main body chassis 1 and can be removed. A wheel mounting unit 10 having an axle support 12 mounted thereon is formed over the inside of the extension chassis including the inside of the body chassis, and the wheels 11 can be mounted inside the extension chassis and outside the body chassis.

  Hereinafter, the configuration of the chassis 100 will be described based on FIGS. 2 to 8.

  FIG. 2 is a view showing the configuration of the main body chassis 1.

  In FIG. 2 the body chassis 1 of the trailer is towed by the motor vehicle.

  The two steel plates arranged in the longitudinal direction are arranged between the two steel plates arranged in parallel and laterally, with spaces formed both inside and outside from the center, and between the steel materials and perpendicular to the steel materials. It forms in the rectangular outer frame shape formed from the some internal connection steel material 5 connected from. The inner connection steel material 5 arranged at the end is larger than the inner connection steel material 5 arranged inside.

    H steel is used as the steel material to form the main body side steels 3 and 4 into a rectangular outer frame shape, and the inner space portions on both sides of the main body side steels 3 and 4 are disposed outward in the horizontal direction A chassis 1 is formed.

  A wheel mounting part 10 is provided in the main body chassis 1, a wheel for holding the outer frame can be attached to the wheel mounting part 10, and a traction means 6 is provided at the tip of the outer frame.

  In the wheel mounting portion 10, a space is secured by the main body side steels 3 and 4 at the rear portion of the main body chassis 1, and two internal connections using the main body side steels 3 and 4 larger steels are disposed in this space. The steel members 5 and these internally connected steel members 5 are spaced apart from each other by fixing, two removable support members 8 and a reinforcing member 7 connected and reinforced the two support members 8.

An axle support device 12 for mounting the wheel 11 is provided at the position of the main body side steel members 3 and 4 at a position opposed to the wheel mounting portion 10. In this example, six axle support devices 12 are provided three by three on one side.

FIG. 3 is a view showing an example in which a leaf spring is used for the axle support device 12.
The plate spring 13 is attached to the main body side steel 3 by the attachment 14. The leaf spring 13 is provided with an axle mounting bracket 15 at its central portion and holds the axle 16.

  FIG. 4 is a view showing another configuration of the main body chassis 1. Although it is essentially the same as the configuration of the main body chassis 1 shown in FIG. 2, in the case of this example, the main body side steels 3 and 4 are formed by joining two steels 3A and 3B, respectively. A larger internal connection steel 5 was used as the internal connection steel 5 close to the joint.

  The wheel mounting part 10 was formed in the part of the back side main-body-side steel 3B. The wheel 11 was disposed in the wheel mounting portion, and the axle 16 was fixed to the axle support device 12.

In the trailer chassis configuration method,
As a first step,
A main body chassis in which an H steel material is used as the main body side steel material and is formed in a rectangular outer frame shape, and the inner space portions on both sides of the main body side steel material are arranged in an outward horizontal direction,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
An expansion side connecting steel material that is arranged in a horizontal direction between the main body side steel material 3 and the expansion side steel material 24 and can be fixed to and removed from the inner support plate and the outer support plate was prepared.

  FIG. 5 is a diagram for explaining a method of attaching a wheel among methods of configuring the extended chassis portion 2 that is assembled to the main chassis 1 and is provided so as to be fixed and removable.

The wheel 11 mounted in the wheel mount shown in FIGS. 2 to 4 was removed with its axle 16 and a new wheel 11 was mounted with its axle 16. The axle is longer than the previous one, the axle support device 12 is mounted on the surface of the main body side steel materials 3, 4 and the new wheel 11 is mounted on the main body side steel materials 3, 4 Is done.

  FIG. 6 is a view for explaining a method of attaching the extension side connection steels 28 and 29 among the method of configuring the extension chassis portion 2 which is assembled to the main body chassis 1 and fixedly and detachably provided.

The expansion side connecting steel materials 28 and 29 are assembled to the main body side steel materials 3 and 4 in the direction of extending the inner connecting steel material 5 outward, fixed, and attached. Between the three wheels 11 on one side, the expansion side connection steels 28A, 29A are assembled, fixed and attached to the main chassis.

  FIG. 7 is a diagram illustrating a configuration method of the extended chassis portion 2 that is assembled to the main body chassis 1 and provided so as to be fixed and removable. FIG. 7 is a view from the rear.

  In FIG. 7, the configuration method of the extended chassis portion 2 on one side is shown, but the other side is configured in the same manner. The configuration method of the extension chassis unit 2 on one side will be described.

  Expansion support section 21 can be arranged parallel to the inner support plate 21 which can be removed and fixed to the inner space section 22 of the main body side steel 3 and at the outer side of the main body side steel 3 with a gap. The inner support plate 21 is disposed horizontally between the main steel plate 3 and the extension steel 24, and the outer support plate 27 fixed and removable in the inner space of the extension steel 24 and the inner steel 24. And an expansion side connection steel 28 fixed to and removable from the outer support plate 27.

  The main-body-side steel 3 is made of an H-shaped steel consisting of an upper surface 51, a lower surface 52, and a vertical portion 53, and is arranged with the H-shaped steel turned 90 ° as shown in FIG. , And is placed facing outwards.

  The inner support plate 21 is accommodated in the inner space portion and is fixed to the inner space portion 22 by welding. The inner support plate 21 has three connection holes 31 in the longitudinal direction.

  In the case of this example, the extension side steel 24 is disposed with the L-shaped steel turned 180 ° as shown in FIG. 7, and the inner space 26 is disposed horizontally and inwardly.

  The outer support plate 27 is accommodated in the inner space portion 26 and is fixed to the inner space portion 26 by welding. The inner support plate 27 has two connection holes 32 in the longitudinal direction.

  The expansion side steel material 24 is provided with a connection hole 33 on the upper surface portion of the L steel material adjacent to the connection hole 32 on the horizontal line.

  The extension-side connection steel member 28 includes an extension forming portion 40 having a top surface 41 and a side surface 42 perpendicular to the top surface 41, and a rectangular thin plate-like connecting portion integrally provided on the right end of the extension forming portion 40. And 41. The pulling side of the connecting portion 46 is in contact with the inner support plate 21. The connecting portion 46 has three connecting holes 43 in the longitudinal direction. The height position of the connection hole 43 matches the position of the three connection holes 31. The expansion-side connection steel material 28 has a connection hole 44 in the upper surface portion 41 and two connection holes 45 opened in the vertical direction on the side surface portion 42 at the opposite end, that is, the expansion-side steel material end portion.

  The expansion side connecting steel material 28 is moved to the main body side steel material side to be inserted into the inner space portion 22, and the connecting hole 43 is aligned with the connection hole 31. Insert the bolts 54 into the two matched holes and tighten the nut 55. Thereby, the expansion side connection steel material 28 is fixed to the main body side steel material 3, and the form shown by FIG. 6 can be formed.

Next, the expansion side steel material 24 is attached to the expansion side connection steel material 28. The connection hole 33 is aligned with the connection hole 44, and the connection hole 32 is aligned with the connection hole 45. Insert the bolt into both matched holes and tighten the nut. By this, the expansion side connection steel material 28 is fixed to the main body side steel material 3, and the form shown in FIG. 1 can be formed.
As a first step,
A main body chassis in which an H steel material is used as the main body side steel material and is formed in a rectangular outer frame shape, and the inner space portions on both sides of the main body side steel material are arranged in an outward horizontal direction,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
An expansion-side connecting steel material that can be horizontally disposed between the main body-side steel material 3 and the expansion-side steel material 24 and can be fixed to and removed from the inner support plate and the outer support plate is prepared.

As a second step,
By assembling an attachment member composed of the expansion side steel material, the expansion side connecting steel material, and the inner support plate and the outer support plate to the main body chassis, an expansion chassis portion is formed, and the expansion chassis portion is fixed to the main body chassis. The extended chassis portion 2 can be formed. That is, the expansion chassis portion 2 fixed to the main body chassis 1 can be connected to form the laterally expanded chassis 100.

  The expansion chassis part 2 is fastened to the main body chassis 1 with bolts and nuts, and can be removed from the main body chassis 1 at any time, and quickly travels along the passage as a structure of only the main body chassis shown in FIG. It is possible to drive with the above width limitations removed.

The extension side steel member 24, the extension side connecting steel member 28, and the attachment member composed of the inner support plate 21 and the outer support plate 27 are assembled to form the extension chassis portion 2, and the extension chassis portion 2 can be fixed to the main body chassis 1 and removed. It is said. Conveying is facilitated by configuring the attachment member with a member that can be assembled.

  FIG. 8 shows the structure of the front portion, as viewed from the front.

  The internal connection steel material 5A is mounted between the main body side steel materials 3 and 4. The internally connected steel material 5A is made of an H-type steel material and includes an end face plate 61 welded to the end face.

  The front expansion side connecting steel material 60 and the mounting brackets 64, 65, 66, 67, 68, 69 are prepared. The front expansion side connecting steel material 60 is made of an H-shaped steel material and includes an end face plate 62 welded to the end face. The arrangement of the H-type steel material is the same as that in the example of FIG. 7, and it is the same that an internal space is provided.

  The internal connection steel 5A has a connection hole 71 in the end face plate 61, a connection hole 72 in the upper steel plate, and a connection hole 73 in the lower steel plate, and the front expansion side connection steel 60 has a connection hole 74 in the end face plate 62 and the upper steel plate A connecting hole 75 is provided in the lower steel plate.

  The mounting bracket 64 includes a connection hole 77, the mounting bracket 65 includes a connection hole 78, the mounting bracket 66 includes a connection hole 79, the mounting bracket 67 includes a connection hole 80, the mounting bracket 68 includes a connection hole 81, and the mounting bracket 69 includes a connection hole 82.

  The end face plate 61 is in contact with the end face plate 62, the mounting bracket 64 is set on both upper steel plates, the mounting bracket 65 is set on both lower steel plates, and the mounting bracket 66 is the upper steel plate of the internally connected steel 5A. On the lower surface, the mounting bracket 67 is set on the upper surface of the lower steel plate of the internal connection steel 5A, the mounting bracket 68 on the lower surface of the upper steel plate of the front expansion side connection steel 60, and the mounting bracket 69 of the front expansion side connection steel 60. It is set on the upper surface of the lower steel plate, the positions of the connection hole and the connection hole are matched, and is fastened by fastening means comprising bolts and nuts in the same manner as shown in FIG. 7, and the front expansion side connection steel 60 is attached to the internal connection steel 5A. Assembled and fixed. And the front expansion side connection steel 60 can be removed from the internal connection steel 5A at any time.

Here, the configuration of the front portion is shown, but the front extended side connecting steel member 60 is assembled and fixed to the inner connecting steel member 5A by preparing each member in the same manner for the configuration of the rear end portion. And front expansion side connection steel materials 60 may be removed from internal connection steel materials 5A at any time.

FIG. 9 is a side view of the chassis 100 shown in FIG. 1 configured as described above as viewed from the side.

  FIG. 10 shows a state in which the extended chassis portion 2 is fixed to the main body chassis 1 and the wheel mounting portion 10 provided on the chassis 100 is suspended from the wheel 11 via the axle support device 12 in the above configuration.

The lateral width of the main body chassis 1 can be 2.285 m, and the lateral width of the chassis 100 configured by extension can be 3.330 m. In this case, the extension width to one side is 573.5 mm. As the H-type steel plate, one having a height of 20 mm and a width of 50 mm can be adopted.

FIG. 11 is a view of the state of FIG. 1 viewed from the rear of the chassis 100.

  FIG. 12 is a diagram showing an alternative configuration of the chassis shown in FIG.

  The expansion chassis portion 2 composed of the expansion side steel member 24, the expansion side connecting steel member 28, and the inner support plate 21 and the outer support plate 27 is assembled to the main body chassis 1 so that the expansion chassis portion 2 can be fixed to and removed from the main body chassis 1. The configuration to be performed is identical to that shown in FIG.

In the chassis 100 shown in FIG. 1, a wheel mounting portion having an axle support device for mounting a wheel is formed over an expansion chassis portion including the inside of the main body chassis, and the wheel is in the expansion chassis portion. The chassis was configured to be attached to the outside of the main chassis. In the chassis 100 shown in FIG. 11, the wheel mounting part 10 provided with the axle support device for mounting the wheel is as shown in FIG. 4, and the mounting of the wheel mounting part 10 and the wheel 11 is not changed. The wheel 11 is mounted in the main body chassis to constitute a chassis 100.

  According to the present embodiment, it is possible to freely design the chassis 100 of 5.5 m to 11 m × 2 m to 3.5 m by attaching the attachment member 9.

  DESCRIPTION OF SYMBOLS 1 ... Main body chassis, 2 ... Expansion chassis part, 3, 4 ... Main body side steel material (steel material of longitudinal arrangement, H steel material of longitudinal direction) 5, 5A ... Internal connection steel material, 9 ... Attachment member, 10 ... Wheel mounting Parts, 11: Wheels, 12: Axlex support device, 13: Flat spring, 14: Mounting bracket, 15: Axle mounting bracket, 16: Axle, 21: Inner support plate, 22, 23: Inner space, 24, 25 Extended side steel, 26: inner space, 27: outer support plate, 28, 29: extended side connected steel, 40: extended formation, 41: upper surface, 42: side, 46: connection, 100: trailer Chassis (Chassis).

Claims (3)

A trailer chassis to be pulled by an automobile, which is parallel to the longitudinal direction of the chassis, placed horizontally, and between two steels arranged in the longitudinal direction, with a space formed on both the inside and the outside centered on the center. And a main body chassis formed in the shape of an outer frame having a rectangular cross section formed of an internal connection steel material connected in a direction perpendicular to the steel material, and the main body chassis is formed of an attachment member An extended chassis portion is formed to form a chassis, a wheel mounting portion is provided on the chassis, a wheel holding the outer frame can be attached to the wheel mounting portion, and a pulling means is provided at a tip portion of the outer frame In the trailer chassis configuration method,
As a first step,
H steel material is used as the steel material as the main body side steel material, and a plurality of internally connected steel materials are provided in a perpendicular direction between the two main body side steel materials, and are arranged on the two main body side steel materials and the front portion. A main body chassis in which a rectangular outer frame is formed from the inner connecting steel material and the inner connecting steel material arranged at the rear end, and the inner space portions on both sides of the main body side steel material are arranged horizontally outwardly,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
Preparing an attachment member , which can be disposed horizontally between the main body side steel material and the expansion side steel material, and is composed of an expansion side connecting steel material that can be fixed to and removed from the inner support plate and the outer support plate,
As a second step,
Before providing a plurality of Kia Attachment member outside of the body chassis, of which the front end portion of the extension side steel outward of interconnected steel disposed in the front portion, and the arrangement at the rear end portion of the inner connecting steel place the rear end of the extension-side steel outward, by assembling, from said front portion to form an extended chassis portion to the rear end portion, the extension chassis unit in the fixed-removable body chassis, A method of constructing a chassis of a trailer, comprising: forming the chassis; and forming an axle support device capable of mounting a wheel in the extended chassis portion . A trailer chassis to be pulled by an automobile, which is parallel to the longitudinal direction of the chassis, placed horizontally, and between two steels arranged in the longitudinal direction, with a space formed on both the inside and the outside centered on the center. A main body chassis formed in an outer frame shape having a rectangular cross section formed from an internal connection steel material connected to the steel material from a direction perpendicular to the steel material, and formed by an attachment member on the main body chassis . The chassis may be formed to have the extended chassis portion , a wheel mounting portion may be provided on the chassis , and a wheel for holding the outer frame may be attached to the wheel mounting portion, and a traction means may be mounted on a tip portion of the outer frame. In the trailer chassis provided,
The steel to be the main body side steel used is H steel, a plurality of internal connection steel perpendicularly between those said two body side steel is provided, on the two body side steel and the front portion A main body chassis in which a rectangular outer frame is formed from the internal connection steel material of the arrangement and the internal connection steel material of the arrangement at the rear end, and the inner space portions on both sides of the main body side steel material are horizontally arranged outwardly,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
It has an attachment member that is arranged in a horizontal direction between the main body side steel material and the expansion side steel material, and includes an expansion side connecting steel material that can be fixed to and removed from the inner support plate and the outer support plate.
Before providing a plurality of Kia Attachment member on the outside of the body chassis, the outside of the inner front end portion of the extension side steel outward of interconnected steel disposed in the front portion, and internal connection steel located at the rear end portion The rear end portion of the expansion side steel material is disposed in the direction and assembled to have an expansion chassis portion formed from the front portion to the rear end portion, and the expansion chassis portion can be fixed to and detached from the main body chassis And
A trailer chassis characterized by comprising an axle support device capable of mounting a wheel in the extended chassis portion . A trailer chassis to be pulled by an automobile, which is parallel to the longitudinal direction of the chassis, placed horizontally, and between two steels arranged in the longitudinal direction, with a space formed on both the inside and the outside centered on the center. And a main body chassis formed in the shape of an outer frame having a rectangular cross section formed of an internal connection steel material connected in a direction perpendicular to the steel material, and the main body chassis is formed of an attachment member An extended chassis portion is formed to form a chassis, a wheel mounting portion is provided on the chassis, a wheel holding the outer frame can be attached to the wheel mounting portion, and a pulling means is provided at a tip portion of the outer frame In the trailer chassis
The steel to be the main body side steel used is H steel, a plurality of internal connection steel perpendicularly between those said two body side steel is provided, on the two body side steel and the front portion A main body chassis in which a rectangular outer frame is formed from the internal connection steel material of the arrangement and the internal connection steel material of the arrangement at the rear end, and the inner space portions on both sides of the main body side steel material are horizontally arranged outwardly,
An inner support plate which can be removed and fixed to each inner space portion of the chassis side steel;
An L-shaped steel material or an H-steel material is used as the expansion side steel material. In the case of an L-shaped steel material, the inner space portion can be arranged in an inward horizontal direction by being turned 180 °, and in the case of an H steel material, it is turned 90 °. The expansion side steel that can be arranged in parallel with a gap portion outside the chassis side steel, the inner space portion can be arranged in an inward horizontal direction,
An outer support plate fixed and removable within the inner space of the expansion side steel;
It has an attachment member that is arranged in a horizontal direction between the main body side steel material and the expansion side steel material, and includes an expansion side connecting steel material that can be fixed to and removed from the inner support plate and the outer support plate.
A plurality before Kia Attachment member on the outside of the body chassis, the front end portion of the extension side steel outward of interconnected steel disposed in the front portion, and extend outwardly of the inner connecting steel located at the rear end portion The rear end portion of the side steel material is disposed and assembled to have an extended chassis portion formed from the front portion to the rear end portion, and the extended chassis portion can be fixed to and detached from the main body chassis Trailer chassis characterized by.

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