JPH057534U - Freight carrier - Google Patents

Abstract

(57) [Summary] [Purpose] Sliding the tilting cylinder 9 and the packing box 11 that tiltably support the packing box 11 so that the floor of the packing box 11 on the subframe 2 can be lowered. The supporting slide cylinders 15 are properly arranged to facilitate smooth loading and unloading work when loading and unloading the vehicle, and to improve stability when transporting the vehicle while keeping the center of gravity of the vehicle with a high height low. It is possible. A tilt cylinder 9 is arranged on the front side of the tilt frame 4 on the subframe 2, and a sliding cylinder 15 is arranged on the rear side of the tilt frame 4 located behind the tilt cylinder 9. To place.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 TECHNICAL FIELD The present invention relates to a cargo transport vehicle in which a luggage box on a vehicle body frame is tiltably and slidably supported.

[0002]

[Prior Art]

 2. Description of the Related Art Conventionally, as a freight carrier of this type, as disclosed, for example, in Japanese Utility Model Application Laid-Open No. 64-25932, a tilting frame that is tiltably supported by a body frame and extends in the vehicle front-rear direction, and the tilting frame. -Tilting means for tilting the frame with the rear end of the vehicle body as a fulcrum (for example, a telescopic tilting cylinder linked between the tilting frame and the vehicle body frame) and slidable on the tilting frame. A supported load box and sliding means for sliding the load box in the longitudinal direction of the vehicle with respect to the tilting frame (for example, a telescopic slide linked between the load box and the tilting frame). Cylinder) and the tilting cylinder is provided at the rear of the tilting frame located on the rear side of the vehicle body, while the sliding cylinder is provided at the rear of the tilting frame and above the tilting cylinder. Is known.

[0003]

[Problems to be solved by the device]

 However, in the above conventional freight carrier, in order to avoid interference between the tilting cylinder and the sliding cylinder when the tilting cylinder and the sliding cylinder expand and contract, both cylinders are arranged vertically offset at the rear part of the tilting frame. As a result, the ground height of the floor surface of the packing box located above these cylinders naturally becomes high, and the loading / unloading work when loading / unloading cargo such as earth and sand cannot be performed smoothly. There is also a problem that the center of gravity becomes high when loading (carrying in) high-volume cargo such as building materials, and there is a concern that the cargo may collapse during transportation, etc., and as much as possible from the user side. It was desired to lower the floor.

The present invention has been made in view of the above points, and an object of the present invention is to properly arrange a tilting cylinder and a sliding cylinder so that the floor of the cargo box can be lowered. In addition to facilitating the loading and unloading of goods, the center of gravity of high cargo is kept low to improve the stability when carrying goods.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, a solution means taken by the present invention is, as a freight carrier, a tilting frame extending in the front-rear direction of a vehicle body which is tiltably supported by a vehicle frame, and the tilting frame. Tilting means for tilting with the end as a fulcrum, a luggage box slidably supported by the tilting frame, and sliding for sliding the luggage box in the vehicle longitudinal direction with respect to the tilting frame. Means and the tilting means is arranged on the front side of the tilting frame, while the sliding means is arranged on the rear side of the tilting frame located behind the tilting means. It is configured.

[0006]

[Action]

 With the above structure, in the present invention, the tilting means is arranged on the front side of the tilting frame, and the sliding means is arranged on the rear side of the tilting frame located behind the tilting means. Therefore, in order to avoid interference between the tilting cylinder and the sliding cylinder when they expand and contract with each other, it is not necessary to vertically position both cylinders at the rear part of the tilting frame, and the floor surface of the packing box The ground clearance of is kept low.

Therefore, the loading / unloading work can be performed smoothly when loading / unloading cargo such as earth and sand. In addition, the center of gravity of a high-volume cargo such as a building material can be kept low, and the anxiety of cargo collapse during transportation can be eliminated.

[0008]

[Effect of the device]

 As described above, according to the freight carrier of the present invention, the tilting means is provided on the front side of the tilting frame, and the sliding means is provided on the rear side of the tilting frame rearward of the tilting means. Since the cylinders are offset from each other to avoid interference with each other, it is possible to facilitate the work of loading and unloading cargo such as earth and sand, and to keep the center of gravity low when loading tall building materials. The stability during transportation can be improved, and thus the floor of the cargo box can be effectively lowered.

[0009]

【Example】

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

1 to 4 show a cargo transport vehicle for transporting a vehicle according to an embodiment of the present invention. A lower portion of the cargo transport vehicle 1, that is, a lower portion of a passenger compartment A, has a vehicle body central portion left and right positions in a front-back direction. A subframe 2 having a substantially U-shaped cross section is provided as a body frame extending to the. On the subframe 2, there is provided a rail-shaped tilting frame 4 supported by a hinge member 3 provided at the rear end thereof so as to be tiltable with respect to the subframe 2. The tilting frame 4 is provided on the first tilting frame member 5a having a substantially U-shaped cross section, and on the inner side (recess side) of the first tilting frame member 5a, and the first tilting frame member A second tilting frame member 5b having a substantially hat-shaped cross section, which has a recess smaller than the recess of the tilting frame member 5a, and the bottom and upper and lower ends thereof are respectively joined to the first tilting frame member 5a. The tilting frame 4 is formed by a first tilting frame member 5a and a second tilting frame member 5b so that a concave portion 5c is opened to the outside of the vehicle body and has a substantially U-shaped cross section. Has been done. The tilting frame 4 has the first and second horizontal portions 6a and 6b on the upper and lower sides thereof, and is provided to extend in the front-rear direction at the lateral position of the central portion of the vehicle body. The lower surface of the horizontal portion) contacts the upper surface of the subframe 2 via the cushioning pad 7. Further, the tilting frame 4 is provided with cross members 8 connecting the second horizontal portions 6b between the left and right tilting frames 4 at predetermined intervals in the longitudinal direction of the vehicle body. A tilting cylinder 9 is provided between the sub-frame 2 and the tilting frame 4 as tilting means extending in the front-rear direction in the center of the vehicle body. The tilting cylinder 9 can be extended. Thus, the tilting frame 4 tilts about the hinge member 3 at the rear end of the sub-frame 2 as a fulcrum. Further, two angular first brackets 8a, 8a projecting forward are provided at the left and right positions on the front surface of the cross member 8 corresponding to the front part of the tilting frame 4, respectively. Two second brackets 17, 17 projecting upward are provided at the left and right positions of the upper surface of the connecting member 2a for connecting between the substantially middle portions of the left and right subframes 2 in the vehicle front-rear direction. Between the brackets 8a, 8a and the left and right second brackets 17, 17, link type hoist mechanisms 10, 10 for smoothly performing the tilting motion of the tilting frame 4 are swingably supported. Has been done.

Further, on the sub-frame 2 (tilting frame 4) at the rear of the vehicle compartment A, a luggage box 11 for mounting a vehicle is mounted. A rail-shaped main girder 12 which doubles as a reinforcement at the bottom of the packing box 11 is provided on the bottom surface of the packing box 11 corresponding to the sub-frame 2. It has third and fourth horizontal portions 13a and 13b, and is provided extending in the front-rear direction at the left and right positions of the central portion of the vehicle body. The main girders 12 are provided on the first main frame frame material 14a having a substantially U-shaped cross section, on the inner side (recess side) of the first main frame frame material 14a, and in the central portion. Has a recess smaller than the recess of the first main frame frame material 14a, and the bottom surface and the upper and lower ends thereof are respectively joined to the first main frame frame material 14a. The frame member 14b and the frame member 14b are formed in a substantially U-shaped cross-section with a recess 13c opened inside the vehicle body. A sliding cylinder 15 is provided between the tilting frame 4 and the main girder 12 as a sliding means extending in the front-rear direction at the center of the vehicle body, and the sliding cylinder 15 is extended. Thereby, the main girder 12 can be slid backward together with the luggage box 11. Further, at the rear end of the main girder 12, a luggage box support leg 16 for supporting the rear end of the main girder 12 against the ground is provided so as to hang downward. The legs 16 support the load box 11 by contacting the ground when the main girder 12 (the load box 11) slides backward due to the extension of the sliding cylinder 15.

Further, the fourth horizontal portion 13b (lower horizontal portion) of the main girder 12 is located between the first and second horizontal portions 6a and 6b of the tilting frame 4 and is located between the tilting frame 4 and the first horizontal portion 6a. One horizontal portion 6a (upper horizontal portion) is sandwiched between upper and lower third and fourth horizontal portions 13a and 13b of the main girder 12. The upper surface of the first horizontal portion 6a of the tilting frame 4, that is, the upper surface on the side of the first tilting frame member 5a is provided on the lower surface of the third horizontal portion 13a of the main girder 12 facing the upper surface, that is, on the upper surface. 2 A first sliding plate 21 made of a resin such as nylon for reducing sliding resistance is attached to the lower surface of the main frame frame material 14b side, and the tilting frame 4 is provided. The upper surface of the second horizontal portion 6b, that is, the upper surface on the side of the second tilting frame material 5b, the lower surface of the fourth horizontal portion 13b of the main girder 12 facing the upper surface, that is, the first main frame frame material 14a side. A second sliding plate 22 that reduces sliding resistance is attached to the lower surface of the. Further, on the upper surface of the fourth horizontal portion 13b of the main girder 12, that is, the upper surface on the side of the second main frame frame member 14b, the lower surface of the first horizontal portion 6a of the tilting frame 4 facing the upper surface, that is, the first horizontal portion 6a. A third sliding plate 23 for reducing sliding resistance is attached to the lower surface of the 2-tilting frame member 5b side. The main girder 12 is slidably supported in the front-rear direction with respect to the tilting frame 4 by the first to third sliding plates 21 to 23, and the packing box 11 (main girder 12) is The tilt frame 4 slides smoothly without coming off.

As a characteristic part of the present invention, one end (the lower end when tilting) of the tilting cylinder 9 is pivotally supported on the inner side surface of the sub-frame 2 at a substantially middle portion in the vehicle longitudinal direction. The other end (the upper end when tilting) is pivotally supported at a substantially intermediate portion of each hoist mechanism 10. The sliding cylinder 15 is supported at its front end by third brackets 8b, 8b provided rearwardly of the rear surface of the cross member 8 corresponding to the front portion of the tilting frame 4. On the other hand, the rear end as the other end is supported by the rear end of the main girder 12. The tilting cylinder 9 is arranged on the front side inside the tilting frame 4 so as to be housed when the vehicle is transported, while the sliding cylinder 15 is located rearward of the tilting cylinder 9. The tilting frame 4 is positioned inside the tilting frame 4 so as to be housed when the vehicle is transported, and interference between the tilting cylinder 9 during expansion and contraction and the sliding cylinder 15 during expansion and contraction is avoided. I am trying.

Reference numeral 31 is a jack provided at the rear end of the side frame. The jack 31 prevents the main frame 12 from slipping into the ground on uneven terrain and the main frame 12 slides backward. When doing, a roller type is used so that it can follow the movement of the subframe 2.

Therefore, in the above-described embodiment, the tilting cylinder 9 extending substantially in the front-rear direction in the center of the vehicle body, and the sliding cylinder 15 extending in the front-rear direction in the center of the vehicle body in the front portion inside the tilting frame 4 tilts. The cylinders 9 and 15 are prevented from interfering with each other when the tilting cylinder 9 and the sliding cylinder 15 are expanded and contracted, because they are arranged on the rear side of the tilting frame located behind the cylinder 9, respectively. Therefore, it is not necessary to vertically arrange both cylinders at the rear part of the tilting frame, and the ground height of the floor surface of the luggage box 11 can be kept low.

Therefore, the loading / unloading work of the cargo such as the vehicle can be smoothly performed, and the loading / unloading work of the vehicle can be facilitated. Also, when a cargo such as a vehicle with a high height is carried in, the center of gravity of the cargo is kept low, which eliminates anxiety such as load collapse during transportation of the vehicle, improving stability during transportation of the vehicle. be able to. As a result, the floor of the cargo box 11 can be effectively lowered.

It should be noted that the present invention is not limited to the above-mentioned embodiment, but includes various other modified examples. For example, in the above-described embodiment, the case where the invention is applied to the freight carrier 1 for transporting a vehicle is described. However, a freight carrier for loading and unloading freight such as earth and sand, or a freight such as a building material having a high height when loaded. Of course, it may be applied to a freight carrier for carrying in and out.

[Brief description of drawings]

FIG. 1 is a side view of a freight carrier in which a luggage box is tilted and slid rearward.

FIG. 2 is a plan view of the freight carrier in a transportation state.

FIG. 3 is a cross-sectional view showing a supporting relationship of the luggage box with respect to the subframe.

FIG. 4 is a vertical sectional front view of the vicinity of a hinge member.

[Explanation of symbols]

 2 Subframe (body frame) 4 Tilt frame 9 Tilt cylinder (tilt means) 11 Packing box 15 Sliding cylinder (sliding means)

Claims (1)

[Claims for utility model registration] Claims: 1. A tilting frame, which is tiltably supported by a vehicle body frame and extends in the front-rear direction of the vehicle body, and tilting that tilts the tilting frame with a rear end of the vehicle body as a fulcrum. Means, a load box slidably supported by the tilting frame, and a sliding means for sliding the load box in the vehicle front-rear direction with respect to the tilting frame. Is arranged on the front side of the tilting frame, while the sliding means is arranged on the rear side of the tilting frame located behind the tilting means. car.