JPH04119236U - lorry - Google Patents

Abstract

(57) [Summary] [Purpose] To load cargo by lowering the body of a freight vehicle horizontally or nearly horizontally to the ground. [Structure] The jack 11 is extended to tilt the lift frame 3 rearward together with the vehicle body. Next, the body 5 is slid rearward along the lift frame 3 and lowered along the bent portion 9. In this way, the body 5 can be lowered to the ground in a horizontal or nearly horizontal state and cargo can be loaded thereon.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is based on a freight vehicle that can lower the body to the ground and load cargo. Regarding.

0002

[Conventional technology]

Conventionally, for freight vehicles, the body was separated from the subframe along guide rails. Slide the body diagonally between the ground and the subframe. There is a body that is designed to carry cargo (Jikkotsu 61-436). No. 23).

0003

[Problem that the idea aims to solve]

However, the above-mentioned conventional truck has the following drawbacks.

0004 The body is tilted to the ground, and cargo is loaded onto the tilted body. Due to this, there are the following problems. (A) It is difficult to load luggage because it is placed on the tilted body. (B) When loading a vehicle onto the body, the front of the vehicle is raised, so the driver It is easy for people to feel anxious when driving, and they tend to ride the vehicle to the very edge of the front end of the body. I can't. (C) When the driver gets off the vehicle loaded on the body, the vehicle is tilted to the ground. It is dangerous because you have to descend onto a narrow body that is floating upwards. . (D) When securing cargo to the body, if the body is diagonally above the ground. This makes it difficult to secure luggage to the body.

[0005] Therefore, this invention was devised to solve the above problems, and It is possible to load cargo by lowering the vehicle horizontally or nearly horizontally to the ground. The purpose is to provide freight vehicles that meet the needs of the public.

[0006]

[Means to solve the problem]

In order to achieve the above object, the invention according to claim 1 is mounted on the vehicle body, and The lift frame has a bent part on the rear end side, and the lift frame is attached to the vehicle. Lift frame tilting means for tilting the lift frame with the body relative to the ground; It is slidably mounted on the system and can be raised and lowered by sliding along the bending section. body, and a body drive hand that slides the body relative to the lift frame. It is characterized by having steps.

[0007] The invention according to claim 2 provides, in addition to the structure according to claim 1, the lift frame The present invention is characterized by comprising a lift frame sliding means for sliding the frame relative to the vehicle body. It is a sign.

[0008]

[Effect]

First, the freight vehicle having the above configuration first uses the lift frame tilting means to tilt the lift frame. The frame is tilted together with the vehicle body so that the rear part is lowered relative to the ground. To be so Then, the bent part of the lift frame will touch the ground or be very close to the ground. It will be located at the same location. Thereafter, the body is moved to the lift lift by the body driving means. Slide the body rearward along the frame, and then insert the front end of the body into the lift frame. Slide it down along the rear bend and place the body horizontally on the ground or in water. Lower it to a nearly flat state. After that, cargo is loaded onto this body and secured. Next then drive the body drive means to move the body up along the bend of the lift frame. raise After that, the lift frame is moved between the vehicle body and the lift frame by the lift frame tilting means. Return both to a horizontal state.

[0009] A lift frame tilted backwards relative to the ground is used as lift frame sliding means. Therefore, when sliding backwards with respect to the vehicle body, this slide will lift the vehicle. The bent part of the frame can be brought closer to the ground, so it is different from the above lift frame. The tilting angle for tilting the vehicle so that the rear of the vehicle is lowered relative to the ground can be reduced, and the upper The stability of the vehicle body during tilting can be improved.

0010

【Example】

This invention will be explained in detail below with reference to illustrated embodiments. Figure 1(A),(B) and FIGS. 2(A) and 2(B) are explanatory diagrams of the operation of the freight vehicle according to the first embodiment of the present invention. Figure 1, 2, 1 is a chassis frame, 3 is a lift frame, and 5 is a body. The chassis frame 1 constitutes a vehicle body. The above lift frame 3 is on the rear end side It has a bent portion 9 bent diagonally downward.

[0011] At the front end of the chassis frame 1, there is provided a jack as lift frame tilting means. A jack 11 is fixed, and the operation of this jack 11 lifts the lift frame 3. The rear end thereof can be tilted together with the chassis frame 1 so that the rear end thereof is lowered.

0012 The lower end of the bent portion 9 at the rear end of the lift frame 3 is connected to the shaft as shown in FIG. 1(B). - When the lift frame 1 and lift frame 3 are tilted to the maximum, they are almost on the ground. It is designed to touch the top.

[0013] On the other hand, the body is located at the boundary between the bending part 6 and the horizontal part of the lift frame 3. A guide roller 12 is provided, and the body 5 is lifted while being guided by this roller 12. It is designed to be able to slide on frame 3.

[0014] The body 5 slides on the lift frame 3 with the structure shown in FIG. I try to do that. That is, one end is fixed to the front end of the lift frame 3, and the other end is fixed to the front end of the lift frame 3. A chain 19 whose end is fixed to the rear end of the lift frame 3 is attached to the front of the body 5. It is wound around the drive sprocket 18 and idlers 20 and 21 provided at the end. Ru. The sprocket 18 is fixed to the drive shaft 23. Also, the above The pair of idlers 20 and 21 are swingably mounted brackets on the drive shaft 23. It is attached to port 38. The sprocket 18 is shown fixed to the body 5. It is driven by a hydraulic motor that drives the drive shaft 23. did Therefore, the sprocket 18 is moved along the chain 19 by the drive of the hydraulic motor. By running the lift frame 3, the entire lift frame 3 including the bent portion 9 is Body 5 is designed to be able to slide. Along the bend 9, a pair of eyes As the bracket 38 to which the rollers 20 and 21 are attached swings, the body 5 9. You can slide smoothly on top. The above sprocket 18 and idler 20,2 1, the chain 19, the hydraulic motor, etc. constitute a body driving means.

[0015] In addition, as shown in FIGS. 1 and 2, the rear end of the body 5 is provided with rollers 29 and footboards. A tailgate 31 is provided for use.

[0016] The freight vehicle having the above configuration is loaded with cargo, such as a car, as follows.

[0017] First, assuming that this truck is in the state shown in Figure 1(A), extend the jack 11. The lift frame 3 is tilted backward together with the chassis frame 1 as shown in the figure. Make the state as shown in 1(B).

[0018] Next, the hydraulic motor fixed to the body 5 is driven, and the hydraulic motor installed at the front end of the body 5 is driven. A chain 1 in which a driving sprocket 18 is stretched along a lift frame 3. 9, and as shown in Figures 2(A) and (B), the hydraulic motor and sprocket are Move the body 5 along with the cut 18, bracket 38, etc. backward along the lift frame 3. Slide it. Then, a pair of idlers 20 and 21 are installed along the bend 9. The attached bracket 38 swings, and the front end of the body 5 smoothly moves into the bent portion. You can descend along 9. At this time, the roller 29 at the rear end of the body 5 touches the ground. to smoothly retreat the body 5 from the ground.

[0019] When the body 5 is lowered the most along the bending part 9 of the lift frame 3, the The situation will be as shown in (B). In this state, body 5 is lowered almost horizontally to the ground. It is. Then, fold down the tailgate 31 horizontally and load the car onto the body 5. engulf it. Since the body 5 is lowered along the bending part 9, the lift frame 3 Compared to the case where the rear end is not bent, the overall length when the body 5 is lowered can be shortened. Ru.

[0020] In this way, in order to load the car onto the almost horizontal body 5, the driver The car moves forward until it reaches the front edge of body 5 without any sense of anxiety. This allows the car to be easily mounted on the body. In addition, the driver automatically When getting out of the car, there is no danger as the body 5 is almost horizontal on the ground. The driver can get out of the car at any time. In addition, automobiles or other When loading and securing cargo onto this horizontal body, the body 5 must be in a horizontal position. This makes it easy to secure the baggage, and there is no fear of the baggage coming loose.

[0021] Next, the hydraulic motor fixed to the body 5 is driven to drive the sprocket 18 and the chain. The body 5 is first raised along the bending part 9 via the horn 19, and then the lift frame is raised. slide it forward along beam 3. At this time, the weight of the car lifts the car. The lower end of the bent portion 9 of the frame 3 is in contact with the ground, and the bent portion 9 of the lift frame 3 is supported. It acts as a member and prevents the vehicle from rolling backwards.

[0022] After the body 5 is sufficiently advanced onto the lift frame 3, the jack 11 is retracted. Then, return the lift frame 3 together with the chassis frame 1 to the horizontal position, as shown in Figure 1 ( Set the state shown in A).

[0023] Next, explanatory diagrams of the operation of the freight vehicle of the second embodiment are shown in FIGS. 4(A) to 4(C). this The embodiment is a lift frame slide consisting of a slide cylinder 53 etc. shown in FIG. The only difference from the truck of the first embodiment is that it includes a means and a subframe 2. Become. Therefore, parts that are the same as those in the first embodiment described above will be given the same numbers and explained. This will be omitted and only the different points will be explained.

[0024] As shown in FIG. 5, the tip of the slide cylinder 53 whose tip is pivotally connected to the shaft 51 The tube is pivotally connected to subframe 2. At both ends of the shaft 51, sub-futures are provided. A roller 52 that rolls within the groove of the frame 2 is attached. And the above shaft The lift frame 3 is attached to 51. For the operation of the slide cylinder 53 mentioned above. Therefore, the lift frame 3 is a vehicle body consisting of the subframe 2 and the chassis frame 1. The top can be slid back and forth. The slide cylinder 53 and the cylinder The shaft 51 and rollers 52 constitute lift frame sliding means.

[0025] The freight vehicle of this embodiment is loaded with cargo, such as a car, as follows.

[0026] First, assuming that this truck is in the state shown in Figure 4(A), extend the jack 11. By increasing the length of the lift frame 3, the vehicle consists of a chassis frame 1 and a subframe 2. Tilt the body backwards to the state shown in Figure 4(B).

[0027] Next, by contracting the slide cylinder 53, the lift frame 3 backward on the subframe 2, and then slide the The lower end can be brought closer to the ground. Therefore, the lift frame 3 and the car The tilting angle when tilting the body backwards can be reduced, improving the stability of the vehicle body during the above tilting. can be improved.

[0028] Operation of lowering the body 5 to the ground and loading cargo onto the lowered body 5 The operation and the operation of sliding the body 5 from the ground to the front of the lift frame 3 are as follows: , is the same as the first embodiment, so the explanation will be omitted.

[0029] Next, extend the slide cylinder 53 and slide the lift frame 3 forward. to the state shown in FIG. 4(B). Then, deflate jack 11 and lift The frame 3 and the vehicle body are returned to the horizontal state, and are brought into the state shown in FIG. 4(A).

[0030] In the first and second embodiments described above, the body 5 was lowered almost horizontally to the ground, but A stopper etc. for the body 5 is provided at the bending part of the lift frame as shown in Fig. 6(A). The body 5 may be stopped in the middle of the bending portion as shown in FIG. In this case, the luggage Due to the presence of the bending part 9, the total length of the truck when loading the In addition to the effect of being able to shorten the length, it can be further shortened.

[0031] Further, as shown in FIG. 6(B), the floor surface of the body may be tapered. this In this case, the overall length of the truck can be shortened when cargo is loaded onto the body.

[0032]

[Effect of the idea]

As is clear from the above explanation, the freight vehicle of the present invention is mounted on the vehicle body, Using the lift frame tilting hand, move the lift frame that has a downwardly bent part on the rear end side. The vehicle body is tilted backwards with the steps, and the body is mounted on this lift frame. The body is slid onto the ground by a driving means and lowered along the bend. Since it was lowered to a flat or nearly horizontal state, the Luggage can be loaded onto the body of the vehicle.

[0033] Therefore, according to this invention, luggage can be easily loaded onto the vehicle body. In both cases, it is sufficient to place the vehicle on a horizontal or nearly horizontal body, so it is easier to transport. The driver can easily place the vehicle on the body without feeling any anxiety. The vehicle can be moved forward to the very edge of the front end of the body. Also, driving from a vehicle When a person descends onto the body, the body is placed horizontally or nearly horizontally on the ground. Therefore, there is no danger involved. Also, if the ball is horizontal or close to horizontal, Lashing can be done easily because it is only necessary to secure the baggage on the day of the trip.

[0034] Also, since the body is lowered along the bend of the lift frame, the lift Compared to when the rear end of the frame is not bent, the overall length when the body is lowered is It can be made shorter. Then, by simply bringing the body close to horizontal to the ground, When stopping the front end of the lift frame in the middle of the bend of the lift frame, the load should be The overall length when loaded onto a vehicle can be further shortened.

[0035] In addition, if the lift frame is tilted backwards relative to the ground, the lift frame slider When sliding backwards with respect to the vehicle body by means of Therefore, the bent part of the lift frame can be brought closer to the ground, so the lift The frame tilting means lowers the rear of the lift frame and the vehicle body relative to the ground. The tilting angle for tilting the vehicle can be reduced, improving the stability of the vehicle body during the above-mentioned tilting. .

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram of the operation of a freight vehicle according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of the operation of the above embodiment.

FIG. 3 is a detailed view of the main parts of the body driving means of the above embodiment.

FIG. 4 is an explanatory diagram of the operation of a freight vehicle according to a second embodiment of the present invention.

FIG. 5 is a detailed view of the lift frame sliding means of the second embodiment.

FIG. 6 is an explanatory diagram of a modified example of the freight vehicle.

[Explanation of symbols]

1 chassis frame, 2 subframe, 3 lift frame,
5 Body, 9 Bent part, 11
Jack, 12,29,52 roller,
18 sprocket, 19 chain,
20,21 idler, 23 drive shaft, 31 tailgate, 3
8 bracket, 51 shaft, 53 slide cylinder.

Claims (2)

[Scope of utility model registration request] 1. A lift frame mounted on a vehicle body and having a downwardly bent bent portion on the rear end side; a lift frame tilting means for tilting the lift frame with respect to the ground together with the vehicle body; A freight vehicle, comprising: a body that is slidably mounted and that can be raised and lowered by sliding along the bending portion; and a body drive means that slides the body with respect to a lift frame. 2. The truck according to claim 1, further comprising lift frame sliding means for sliding the lift frame relative to the vehicle body.