JPH09216585A - Manufacture of van type trailer, and fastening method of packing case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To complete the mounting process in a short time, by completing the wiring, the piping, and the outfit, simultaneously with the respective completions at a packing case side and a trailer chassis side, and after that, connecting the terminals of the electric wirings of both sides by the fastening means provided to both sides. SOLUTION: In the mounting process of a packing case to a trailer chassis 3, the wiring work, the piping work, and the outfitting works to install the outfits such as a side bumper 61, a landing gear 4, a fender 62, a mud flap 60, and a tool box 8, are all completed in the respective manufacturing processes of a packing case and a trailer chassis. Those outfitting works can be carrid out easily, collectively, and in a short time. Since the packing case mounting process includes only a fastening work of the fastening means, and the terminal connecting work between the packing case and the trailer chassis, it is carried out easily, and finished rapidly. Consequently, a supine work is reduced, and the manufacturing cost can be reduced extensively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a van-type trailer in which a luggage box is mounted on a trailer chassis.

[0002]

2. Description of the Related Art In recent years, a connected vehicle consisting of a tractor and a trailer, which is called a trailer system, is becoming popular as a means of mass cargo transportation with good distribution efficiency. These include platform trailers such as chassis trailers, which have a tightening structure that can be attached and removed freely by engaging the corner metal fittings provided at the four corners of the cargo box side with the twist locks on the trailer chassis side. There is a van-type trailer that has a structure that is fixed to the trailer chassis. The present invention relates to a van type trailer.

FIG. 1 shows an external appearance of a general van type trailer separated from a tractor. The rear portion of the luggage box 1 is fixed on the chassis frame, and the front portion thereof is supported by the landing gear 4. FIG. 2 is a plan view of the chassis frame in a separated state before the loading box is mounted on the trailer chassis. The chassis frame 2 is a structure composed of a pair of main frames 30 facing each other and a plurality of reinforcing frames 33 laid between them in a ladder shape, and is supported by the rear wheel 5 via a rear wheel suspension device. A pair of landing gears 4 are provided symmetrically via a bracket fixed to a cross member (not shown) of the cargo box floor, and the left and right landing gears 4 are fixed by a brace pipe 6 or the like. The lower end of the landing gear 4 is a sand shoe, which is in a grounded state when the trailer is separated from the tractor, but is pulled up when the trailer is connected to the tractor and travels. 7
Is a kingpin that serves as an articulation point of the connected vehicle by engaging with a coupler provided at the rear portion of the tractor when connected to the tractor. The trailer chassis and the packing box are provided with through-holes at the intersecting points where the lower flange of the cross member provided under the floor of the packing box and the upper flange of the main frame 30 of the trailer chassis intersect at a right angle and the intersecting corners forming a right angle. Or a member such as a bracket is provided to fix these members by bolts, nuts, or by welding, and the trailer chassis and the luggage box are integrally fixed.

[0004] Referring now to Figs. 1, 3 and 4, the electrical system outfitting will be described. Reference numeral 21 is a lateral direction indicator, 22
Is a side light, 23 is a front height display light, 24 is a rear height display light, 25 is a direction indicator, 26 is a tail light (parking light), 27 is a backward light, and other indoor lights not shown, etc. Is equipped with. A connecting part 50 is provided at the center of the lower end of the front wall of the packing box, and normally, as shown in FIG. 4, a 7-pole socket 51, which is a male connector of a jumper cable that bundles the wiring of a lighting device, and ABS wiring. Socket 52, a connector 53 of an operation service line which is a brake air pipe for a trailer, and a coupling connector 54 of a pair of pipes composed of an emergency emergency line. Here, the wiring and pipes on the tractor side are provided. The connection can be made. Further, the air reservoir 56 for storing the compressed air in the brake air pipe is usually the chassis frame 2 of the trailer.
It is attached to the
An S modulator is mounted to pump air to the brake chamber in response to a signal. For the purpose of reinforcement, a trailer chassis having an extension structure in which an extension subframe is connected to the front of the chassis frame 2 and extends to the vicinity of the landing gear 4 is also used. As shown in FIG. 1, the mud flap 60, the holding stay of the tool box 8 and the like are fixed to the underfloor cross member of the luggage box with bolts and nuts.

Next, the wiring of the electric system and the circuit of the piping of the pressurized air in the van type trailer will be described. The wiring to the lighting equipment mounted on the luggage box 1 and the lighting equipment mounted on the trailer chassis side are described below. The wiring to reach or the pipes to the brake are once converged from the tractor on the operating side, and then fitted along the longitudinal direction into the central portion of the floor material forming the cargo box floor portion via the connecting portion 50. It is housed in the recess of the hat-shaped member in cross section and fixed by locking clips, etc., and sequentially arranged at the rear usage place, but part of it is inserted into the through hole provided in the cross member under the floor of the luggage box. Alternatively, a pipe is arranged in the longitudinal direction, and the pipe is electrically connected. In this way, these wirings and pipes are placed across both the luggage box and the trailer chassis,
For the piping work, it was necessary to mount the luggage box on the trailer chassis and then arrange them in order.

Further, as shown in FIG. 1, the work of installing a lighting device such as a direction indicator or a side light to be mounted on the side of the cargo box, the above wiring, and the work of connecting and wiring the cargo box side of the pipes and the trailer chassis side Before carrying out the piping work, place the luggage box on the trailer chassis. Furthermore, the installation work of the landing gear 4, the side bumper 61, the rear wheel 5, or the fittings such as the fender 62 and the tool box 8 can be performed under the floor by the bolts / nuts and welding between the luggage box and the trailer chassis. Since it is necessary to dive, it is necessary to carry out the packing box on the trailer chassis after the mounting process so as not to get in the way during this work.

Therefore, in the conventional van type trailer manufacturing process, the packing box and the trailer chassis are manufactured in separate manufacturing processes, and the packing box and the chassis are mounted in the mounting process of mounting the packing box on the trailer chassis. After performing the fastening work with the bolts and nuts of the frame and the welding work, the underside of the cargo box and chassis mounted for the above-mentioned lighting equipment installation work, wiring and piping connection work and fitting equipment installation work You have to go under the frame and do face up work. Such work is not only difficult to perform, but also requires a long time, which is a major cause of cost burden.

Due to the mounting structure of such wiring, piping, and fittings, and due to such steps, it is considered in the van-type trailer to remove the loaded cargo box from the trailer. However, inevitably, a structure in which fastening members such as brackets, bolts and nuts are permanently fixed by welding or the like is used for connecting the load box and the chassis frame.

[0009]

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve such a problem, and converts a packing box completed in the manufacturing process of the packing box into a trailer chassis completed in the manufacturing process of the trailer chassis. An object of the present invention is to provide a method for manufacturing a van-type trailer that can complete the mounting process in a short time after mounting, and a packing box tightening means that enables such a manufacturing method.

[0010]

In order to achieve the above-mentioned object, the present invention provides a method for manufacturing a van type trailer in which a luggage box is mounted on a trailer chassis. Wiring, piping, and outfitting are all completed on the cargo box side at the same time as the packing box is completed, and the trailer chassis side is also completed at the same time as the trailer chassis is completed.After that, tightening tightened on the trailer chassis side and the packing box side. These problems are solved by completing the mounting process by the fastening work by means and the work of connecting the terminals of the trailer chassis and the electrical wiring on the side of the luggage box.

Further, for the work of mounting the luggage box on the trailer chassis, there is provided a positioning block having a convex portion provided on the upper surface of the trailer chassis side frame member and a lower surface of the luggage box side frame member, and a concave portion fitted with the positioning block. Positioning means consisting of a receiving member, a frame member such as a main frame or a cross member on the trailer chassis side, and a frame member such as a cross member on the packing box side are fixed to the left and right of the front part and the rear part by bolts and nuts. It has a tightening angle to be fastened, an engaging portion having a step portion that engages with a flange portion of the chassis side main frame member, and a fixing portion bolted to a frame member such as a cross member or a tunnel frame on the cargo box side. The tightening angle consists of a tightening block and a tightening angle. To prevent movement of the front and rear direction with respect to,
The tightening block tightens the flange portion of the chassis-side main frame and the packing box-side frame member to prevent the packing box from shifting in the width direction with respect to the chassis frame.

Further, a trailer chassis in which a gooseneck portion is formed by forming a step portion on a pair of main frames facing each other of the chassis frame, and a tunnel recess portion into which the gooseneck portion is fitted is defined in the floor box. By mounting the above, the position of the king pin connected to the coupler of the tractor of the van type trailer is aligned, and the floor of the luggage box is made flush.

The above wiring, piping and fittings can be mounted separately on the luggage box and chassis frame side. However, in van type trailers, fittings necessary for the running function of the vehicle, such as lighting equipment, and so on. By arranging various kinds of outfittings such as wiring, piping and side bumpers, fenders, mud flaps, tool boxes, etc. on the trailer chassis, these mounting work can be performed more rationally and quickly. Since the packing box tightening means of the present invention enables fastening work of the packing box with these wirings, pipes and various outfittings attached, it is possible to load the packing box as needed on the quantity system. The box can be removed and replaced at will.

[0014]

[Function] Since various outfittings to be attached to the luggage box and trailer chassis as well as fitting work for piping and wiring are completed when the luggage box is completed and the trailer chassis side is completed at the same time when the trailer chassis is completed. Since piping work and outfitting work after mounting the luggage box on the trailer chassis are unnecessary and wiring is only connected between terminals, it can be done easily and in a short time. In the manufacturing process of these packing boxes and trailer chassis, the packing boxes and trailer chassis can be individually rigged for wiring / piping and fittings. It is very efficient because it is easy to access and you can work in a concentrated and procedural manner.

Further, the fastening structure, which is provided at the front and rear portions of the luggage box and the trailer chassis and comprises tightening angles for fastening the luggage box and the trailer chassis, prevents the luggage box from moving in the front-rear direction and lengthens the luggage box. A fastening structure that is provided along the direction and that fastens the frame member such as the cross member of the packing box and the frame member such as the main frame of the trailer chassis with the tightening block prevents the packing box from being displaced in the width direction. Also prevents vertical separation due to vibration, and by combining the tightening angle and the tightening block in this way, conventionally, many fixed parts that had to be formed back and forth along the chassis frame were formed. The fastening structure was able to withstand the harsh operating conditions of the vehicle with a significantly reduced number and a simple structure. In addition, these tightening means fasten the frame members such as the transverse members before and after the chassis frame and the frame members such as the main frame and the frame members that form the cross members of the luggage box. It is easy to access, and even if the trailer chassis is pre-wired and piped and the fittings are attached, the fastening work can be performed without any trouble. Furthermore, by arranging the wiring, piping, and fittings for the equipment necessary for running these vehicles on the chassis frame side, it is possible to easily remove and replace the luggage box according to the needs of the physical distribution system.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. 5 to 9 respectively show a plane, a side surface, a rear surface, a front surface and a side surface of a trailer on which a trailer chassis of the present invention is mounted. The trailer chassis 3 has an integral structure in which a pair of opposing main frames 30 extending in the front-rear direction and a reinforcing frame 33 are installed between them. The main frame 30 has a step portion 41 formed on the front side, and includes a front front frame 31 and a rear rear frame 32 with the step portion 41 as a boundary. The front frame 31 is raised to the height of the step portion 41. It becomes the gooseneck part.

That is, in the van type trailer, it is necessary to make the vehicle height comply with the vehicle safety standard with the front end portion connected to the rear portion of the tractor, and the height of the king pin engaging with the coupler on the tractor side cannot be changed. As described above, the gooseneck is formed on the trailer chassis side and the tunnel recess 43 is provided on the underfloor front portion on the packing box side in order to match the height with the connection portion on the conventional tractor side. The main frame 31 is used for mounting the packing box.
Since it is inserted into this tunnel recess 43, as shown in FIG. 6, it is possible to connect the tractor with the kingpin having the same height.

As shown in FIG. 10 which is an enlarged view of FIG. 5, two reinforcing frames 3 are provided at the front end of the front main frame 31.
3 are provided at intervals, and two kingpin support members 34 are laid between them in the longitudinal direction and the reinforcing members 3 are provided.
The kingpin pedestal 35 is sandwiched between the two and fixed. A rectangular apron plate 36 is stretched on the lower surface of the chassis frame surrounded by the front main frame 31 from the rear reinforcing frames of the two reinforcing frames 33, 33 to the front end edge of the main frame 30.

Next, as shown in FIG. 6, a plurality of rear wheels 5 are attached to the rear main frame 32.
A fender 62 is attached above. A mud flap 60 is provided in the rear of the rear main frame 32 via a mounting stay provided on a side portion of the rear main frame 32. A side bumper 61 is attached to the front side of the side main frame 32. A landing gear 4 is fixed to a wide web portion of the stepped portion of the main frame 30 via a mounting bracket, and a reinforcing material such as a brace pipe 6 supports between the left and right landing gears 4.

Further, as shown in FIGS. 5 to 7, the lighting equipment includes the main frame 3 behind the stepped portion of the main frame 30.
Direction indicators 25 are attached to both end edges of an angle provided in the width direction across the lower part of 0, and a side light 22 is attached to a rear bolster. Further, the air reservoir 56 that stores the pressurized air for braking is fixedly installed above the wheel via a support bracket, and the air reservoir 56 is provided behind the air reservoir 56 by A.
A BS modulator is provided. A tail lamp 26 (parking lamp) and a rear reflector 28 are arranged side by side on the rear surface of the rear bolster as shown in FIG. Further, a backward light 27 is attached to the rear bumper attachment stay.

FIG. 8 shows the front surface of the trailer chassis. A connecting portion is provided so as to project upward, and the connecting portion has a coupling connector 53 of the operation service line which is an air pipe for the brake of the trailer in order from the left. , A 7-pole socket 51, which is a female connector for a jumper cable that bundles the wiring of a lighting device, a socket 52 for ABS wiring, and a coupling connector 54 for an emergency emergency line, where wiring on the tractor side and Connection with piping can be performed. As shown in FIG. 10, the wiring and piping connected to these lighting devices, ABS, and air reservoir are along the inner surface of the main frame 30 via a clip, a clamp, or a cover member for attachment, and a front end apron plate. Composite pipe 3 attached in the front-rear direction through two reinforcing frames 33 on the upper surface of 36.
The ends of the wires are connected to the 7-pole socket and the ABS socket, respectively, and the ends of the pipes are connected to the connector by the connecting portions that are inserted through the connector 7 and project from the front end. The wiring circuit of the lighting equipment of the packing box is such that the wiring of lighting equipment such as front height indicator lamp, car width lamp, interior lamp and rear height indicator lamp has terminals taken out at the lower end of the rear pillar of the packing box. When mounting on the trailer chassis, connect it to the terminal of the electrical wiring on the trailer chassis side through a socket.

Next, the fastening structure of the present invention for mounting the luggage box on the trailer chassis will be described with reference to FIGS. First, FIG. 11 shows a positioning block 10 and a tightening angle 12 for fastening the rear part of the luggage box provided in the vicinity thereof. The fastening structure of the rear part of the luggage box by the tightening angle 12 is such that the luggage box tightening angle 12 is attached to the rear cross member 40.
The trailer chassis side tightening angle 12 which is fixed to the front side surface of the rear side of the rear reinforcing frame 38 is fixed to a corresponding position on the front side surface of the rear reinforcing frame 38, and bolts are inserted into the bolt holes formed in both tightening angles. Stop the nut.

FIG. 12 shows a fastening structure with a tightening angle 12 on the front side of the load box when the load box is mounted on the trailer chassis. The tightening angle 12 on the trailer chassis side is the front end side of the front main frame 31. The tightening angles 12 on the side of the cargo box, which are fixed to the edges and are paired with the tightening angles, are fixed to corresponding positions on the lower edge of the front wall lower frame member, and bolts are inserted into the bolt holes formed in both the tightening angles. It is penetrated and fixed with a nut. These tightening angles are respectively fixed to the front and rear portions of the luggage box, and effectively prevent the luggage box from moving in the front-rear direction with respect to the trailer chassis. The fixed position is, on both the trailer chassis side and the packing box side, on the frame member having strength such as the main frame and its cross members or the front and rear cross members on the packing box side, There is no particular limitation as long as it is provided at a position that has an effect on the fastening action.

Next, FIGS. 13 to 15 show the fastening structure along the longitudinal direction by the tightening block 13 on the side of the luggage box. The tightening block 13 is composed of an engaging portion that forms a step portion that engages with an edge portion of the upper flange of the rear main frame 32 having an H-shaped cross section, and an attaching portion having a bolt hole formed therein. In the above, the engaging portion of the tightening block 13 is engaged with the edge portion of the upper flange portion of the rear main frame 32, and the fixing portion is a bolt hole of the edge portion of the lower flange portion of the cross member 39 that constitutes the bottom of the cargo box floor. A nut is fixed by a bolt that penetrates. In the figure, a reinforcing angle 14 is provided at the inner corner of the cross member 39 at a portion to be fastened for reinforcement.

FIG. 15 shows a fastening structure of the left and right side cross members 39 of the luggage box tunnel recess 43 and the front main frame 31 by the tightening block 13 in the luggage box tunnel recess 43 in the front portion of the luggage box. First, the underfloor structure of the luggage box tunnel recess 43 will be described with reference to the drawings. In order to provide a recess for inserting the gooseneck portion composed of the front main frame 31 of the trailer chassis in front of the floor, the floor portion is defined by the tunnel frame 44. The left and right floor members are defined, and short cross members 39 are arranged on the left and right floors.
The inner end of the is joined to the tunnel frame 44 by welding or the like, and the outer end is fixed to the lower frame material of the luggage box,
A tunnel plate 45 is stretched between the tunnel frames 44. Since the front main frame 31 of the trailer chassis is fitted in the recess, the tightening block 13 has the engaging portion at the front main frame 3 as shown in the figure.
1 is engaged with the lower flange end portion, the fixing portion is overlapped with the lower horizontal portion of the tunnel frame 44, and bolts penetrating between the previously drilled bolt holes are fixed by nuts. A convex shape is formed between the engaging portion and the fixed portion, and the convex portion has a function of engaging with a gap portion between the tunnel frame and the front main frame to prevent the displacement between the two. If there is a step at the attachment site, it can be bolted through a spacer. In addition, the tightening block 13
Is intended to prevent the packing box from moving in the width direction, the tightening block 13 engaged with the rear main frame 32 may be attached to a position where the inner end edge of the upper flange is fastened. It is possible. An appropriate number of tightening blocks 13 as described above can be used at required locations.

These tightening blocks are fastened by bolts and nuts to a strength member such as a cross member on the packing box side,
By engaging the inside or outside of the flange portion provided along the longitudinal direction of the chassis frame, the lateral displacement of the luggage box with respect to the chassis frame is effectively prevented. In addition to the main frame on the main frame side, the fastening location is such that it engages with the engaging portion of the tightening block along the main frame so as to prevent lateral displacement, so long as it is on a frame member having the required strength. Absent. Also on the packing box side, if it is a so-called frame member such as a cross member that can be fastened to the fastening portion of the tightening block at a position corresponding to the fastening point on the main frame side mounted on the main frame, there are no special restrictions. Absent.

FIG. 11 shows the positioning block 10 provided near the tightening angle 12. Positioning block 1
0 is near the rear reinforcing frame 38 and the rear main frame 3
The receiving member 11 having a recessed portion that fits into the positioning block 10 and projects from the upper surface of the upper flange of 2 is fixed to the front side surface of a frame member such as the cross member 40 at the rear of the luggage box to mount the luggage box. When mounting, position them by fitting the concave and convex portions of both. As a mounting structure of the positioning block 10, the receiving member 11 may be fixed to the main frame 30 or these fitting members may be fixed via a bracket. Then, it may be provided at an appropriate position on the frame member which faces the packing box and the chassis frame. Further, the positioning block 10 may be in the shape of a cylinder, a prism, or a hook-shaped block. In short, the concave and convex fitting of the positioning block 10 and the receiving member 11 may slightly cause the loading box to be placed on the trailer chassis. It suffices that the top of the positioning block and the recess of the receiving member are engaged with each other even if the positions are deviated so that they can be temporarily fixed with accuracy that does not hinder the tightening work. In the present invention, by providing this positioning block, not only can the work of mounting the cargo box and the work of exchanging the cargo box be further facilitated, but also the function of preventing the shift of the cargo box can be achieved.

[0028]

As described above, according to the present invention, wiring, piping work, side bumpers, landing gears, fenders, mud flaps, and tools, which have been conventionally carried out in the process of mounting the luggage box on the trailer chassis, have been performed. By completing all outfitting work such as mounting of outfitting such as boxes in the respective manufacturing processes of the packing box and trailer chassis, these outfitting work can be performed easily and intensively in a short time. The box mounting process is easy because it is only the work of fastening the tightening means and the terminal connection work between the luggage box and the trailer chassis, and can be completed in a short time. As a result, it is possible to reduce the manufacturing cost because not only is it difficult to perform conventional supine work.
With such a detachable fastening structure, the conventional fixed cargo box operation system can be replaced with another trailer chassis as needed to help improve logistics efficiency, as well as maintenance, inspection and repair. Maintenance such as can be easily performed. Further, the tightening means simplifies the tightening work and reduces the number of steps. Further, by appropriately concentrating the electric wiring, the piping and the fitting parts on the trailer chassis side, not only the working efficiency of these can be further improved, but also the packing box can be removed and replaced promptly. Further, the structure in which the gooseneck is formed in the main frame and is inserted into the tunnel recess portion of the packing box so that the electrical wiring, piping and outfitting on the trailer chassis side can be completed in advance, the tractor and trailer chassis There is an advantage that the connection structure is not affected and the structure suitable for attachment / detachment / replacement of the luggage box is possible.

As described above, according to the present invention, in the manufacture of the van type trailer, the wiring between the luggage box and the trailer chassis,
By rationalizing the piping and outfitting work and performing the work of attaching the luggage box to the trailer chassis by the fastening work, the wiring, piping and outfitting work as well as the bodywork process are made efficient. In addition, it provides a packing box fastening structure for this purpose, and at the same time, improves the mounting structure of wiring and piping circuits and outfitting parts, which simplifies the mounting process and improves the productivity of van-type trailers. Since it can be greatly improved, it does not stop whether you simply attach the conventional outfittings before mounting or after mounting, and the mounting work of the outfittings that makes it difficult to do the work after mounting is done in advance in the packing box. By completing this in the manufacturing process of the trailer chassis, these working processes are rationalized. Therefore, rigging equipment such as lashing rails, cooling devices, and transportation equipment in the packing box that is performed irrespective of these rigging processes, or rigging equipment such as the step of attaching to the trailer chassis that is additionally performed after laying work, , Is not a fitting according to the present invention.

[Brief description of drawings]

FIG. 1 Side view of a conventional van trailer

[Fig. 2] Chassis frame plane of a conventional van-type trailer

FIG. 3 Rear surface of a conventional van-type trailer

FIG. 4 Front of a conventional van-type trailer

FIG. 5: Chassis frame plane of the van-type trailer of the present invention

FIG. 6 is a side view of the chassis frame of the van-type trailer of the present invention.

FIG. 7 is a rear view of the chassis frame of the van-type trailer of the present invention.

FIG. 8 is a front view of the chassis frame of the van-type trailer of the present invention.

FIG. 9 is a side view of the van-type trailer of the present invention.

FIG. 10 is a connecting portion of the front main frame of the present invention.

FIG. 11: Positioning means and tightening angle structure for the rear portion of the van type trailer of the present invention

FIG. 12 is a front view of the van type trailer of the present invention, and a tightening angle structure.

FIG. 13 is a cross section in the width direction of the tightening angle structure of the rear portion of the van type trailer of the present invention.

FIG. 14 is a longitudinal sectional view of a tightening angle structure of a rear portion of a van type trailer of the present invention.

FIG. 15 is a tightening angle structure in the tunnel recess at the front of the van-type trailer of the present invention.

[Explanation of symbols]

1: packing box, 2: chassis frame, 3: trailer chassis,
4: Landing gear, 5: Rear wheel, 6: Brace pipe, 7: King pin, 8: Tool box, 10: Positioning block, 11: Receiving member, 12: Fastening angle, 13: Fastening block, 14: Reinforcing angle, 21 : Side Direction Indicator, 22: Side Light, 23: Front Height Indicator Light, 24: Rear Height Indicator Light, 25: Direction Indicator, 26: Tail Light (Parking Light), 27: Backward Light, 28 : Rear reflector, 29: Sideways light, 30: Main frame, 31: Front main frame, 32: Rear main frame, 33: Reinforcement frame,
34: Kingpin support member, 35: Kingpin base, 3
6: Apron plate, 37: Composite pipe, 3
8: Rear reinforcing frame, 39: Cross member, 40: Rear cross member, 41: Step portion, 43: Packing box tunnel recess, 44: Tunnel frame, 45: Tunnel plate, 46: Floor material, 50: Connecting portion, 51 : 7-pole socket,
52: ABS wiring socket, 53: service line connector, 54: emergency line connector, 5
5: Air piping, 56: Air reservoir, 60: Mud flap, 61: Side bumper, 62: Fender

Claims (6)

[Claims] 1. A method for manufacturing a van trailer in which a trailer chassis and a packing box manufactured in separate steps are completed by mounting the packing box on the trailer chassis in a mounting step, the trailer chassis side and the packing box. After the completion of the wiring work of each side, piping and fittings, etc., the fastening work by the tightening means provided on the trailer chassis side and the packing box side and the electrical wiring terminals of the trailer chassis and the packing box side A method for manufacturing a van-type trailer, characterized in that a bodywork process is completed by connecting work. 2. A tightening angle for preventing the movement of the packing box in the front-rear direction by providing the tightening means on a frame member such as a main frame or a cross member on the trailer chassis side and a frame member on the front and rear portions on the packing box side, respectively. 2. The method for manufacturing a van trailer according to claim 1, further comprising a tightening block that prevents a shift in the width direction of the load box between the load box side frame member and the trailer chassis side main frame member. 3. A van-type trailer in which a luggage box is mounted on a trailer chassis, and a frame member such as a main frame or a cross member on the trailer chassis side and a frame member on the front and rear portions on the luggage box side are fixed to the left and right respectively. Tightening means, which is provided and is fastened by bolts and nuts to prevent the cargo box from moving in the front-rear direction, and an engaging portion having a step portion that engages with the flange portion of the trailer chassis side main frame member and the load. A packing box tightening means for a van-type trailer, comprising: a tightening block having a fixing portion bolted to the box side frame member to prevent a shift in the width direction of the packing box. 4. A van type in which a trailer chassis having a gooseneck having a stepped portion formed on a pair of opposing main frames is provided with a luggage box having a floor on which a tunnel recess for inserting the gooseneck is mounted. The manufacturing method according to claim 1 or 2 relating to a trailer. 5. A trailer chassis having a gooseneck portion in which a stepped portion is formed on a pair of opposing main frames, and a luggage box having a tunnel recess portion for inserting the gooseneck portion defined on a floor portion is mounted on the trailer chassis. The packing box tightening means according to claim 3, which relates to a van type trailer. 6. A positioning block having a convex portion and a receiving member having a concave portion fitted to the positioning block are provided on opposing surfaces of respective strength members such as a main frame on the trailer chassis side and a frame member on the luggage box side. The packing box tightening means for a van-type trailer according to claim 3 or 5, further comprising: