JP5565693B2 - On-board detachable transporter - Google Patents

Description

  The present invention relates to a loader-removable transport vehicle in which a loader such as a container can be detachably mounted on a rear frame using a horizontal frame.

Conventionally, a payload removable truck of this kind, there are those shown e.g. in Figure 18-22.

  As shown in the figure, the loadable detachable transport vehicle has a dump and lift cylinder interposed between the rear frame 32 and the subframe 34 at the front portion of the subframe 34 attached to the rear frame 32 behind the vehicle body 31. A front elevator 33a provided with a mechanism 38 is disposed, and a front toggle support device 35a is disposed. Further, a rear elevator 33b having a lift cylinder mechanism 40 interposed between the rear frame 32 and the subframe 34 is disposed at the rear portion of the subframe 34, and a rear toggle support device 35b is disposed. Yes.

  The front / rear elevators 33a, 33b and the front / rear toggle supporters 35a, 35b are connected to a tuning hydraulic circuit and operated simultaneously, thereby moving the subframe 34 up and down horizontally. When the sub-frame 34 is raised by the front and rear elevators 33a and 33b, the front and rear rods 43a and 43b of the front and rear toggle cylinders 42a and 42b of the front and rear toggle supporters 35a and 35b are contracted, respectively, and the front and rear toggle arms 41a 41b slide and rotate while standing, and the front and rear toggle arms 41a and 41b are supported by the front and rear support arms 45a and 45b, respectively, and the front and rear portions of the subframe 34 are supported by the front and rear lift beams 44a and 44b. Are supposed to support each.

Further, the sub-frame 34 is provided with a mounting / removal mechanism 37 that allows a load (not shown) to be detachably mounted, and the front elevator 33a is arranged to move the sub-frame 34 when the sub-frame 34 is raised. 34 can be dumped by a dump and lift cylinder mechanism 38. In this case, one end of the dump and lift cylinder mechanism 38 is pivotally attached to an intermediate position in the longitudinal direction of the sub-frame 34 in consideration of a load balance when the load is dumped (Patent Document 1). .

Japanese Patent No. 4221650

  However, in the conventional loadable detachable transport vehicle, the dump / lift cylinder mechanism 38 and the front elevator 33a are both disposed in the front of the subframe 34. As a result, the construction of the parts is complicated and difficult to assemble, and it is difficult to perform maintenance and inspection when using the transport vehicle.

  Furthermore, in the conventional loadable detachable transport vehicle, the dump and lift cylinder mechanism 38 is disposed at the front portion of the subframe 34. Therefore, one end of the dump and lift cylinder mechanism 38 is connected to the subframe 34. Is attached to the intermediate position in the longitudinal direction, the mounting angle between the dump / lift cylinder mechanism 38 and the sub-frame 34 becomes shallow, and as a result, the force for dumping the sub-frame 34 becomes inefficient with respect to the load. Therefore, it is difficult to perform the dump operation when the weight of the load mounted on the subframe 34 is large, and it is easy to perform the dump operation when the weight of the load mounted on the subframe 34 is large. Therefore, there has been a problem that the dump and lift cylinder mechanism 38 is enlarged.

  Further, in the conventional loadable detachable transport vehicle described above, the rear elevator 33b has a simple structure, but the rear end of the subframe 34 rotates in the rear space of the rear frame 32 when the subframe 34 is dumped. Therefore, making the rear space of the rear frame 32 as wide as possible does not limit the degree of freedom of the rear end of the subframe 34 and facilitates a dump operation. However, in the current structure of the rear elevator 33b, Still had the problem of being insufficient.

  Therefore, the present invention has an object to solve the above-mentioned conventional problems, and the dump and lift cylinder mechanism is not complicated in the front part of the subframe, and the assembly work at the time of manufacturing the transport vehicle is simple. Yes, it is easy to perform maintenance and inspection when using a transport vehicle, and it is easy to perform dumping operation with the dump and lift cylinder mechanism, and the dump and lift cylinder mechanism does not become large, and the rear space of the rear frame is wide. The purpose of the present invention is to provide a loader detachable transport vehicle that can easily perform a dumping operation without further restricting the degree of freedom of the rear end of the subframe.

Therefore, the loader detachable transport vehicle of the present invention is provided with a front toggle support 5a of the subframe 4 at the front portion of the subframe 4 mounted on the rear frame 2 at the rear of the vehicle body 1, and the subframe. 4, a front elevator 3 a having a dump and lift cylinder mechanism 8 interposed between the rear frame 2 and the subframe 4 is disposed near the front portion between the front and rear portions of the subframe 4. It is assumed that a rear elevator 3b having a lift cylinder mechanism 10 interposed between the frame 2 and the subframe 4 is disposed, and by operating the front and rear elevators 3a, 3b and the front toggle support machine 5a simultaneously, A sub-frame 4 is moved up and down horizontally, and a mounting / removal mechanism 7 that allows the sub-frame 4 to be mounted with a load 6 so as to be removable. It is assumed that one end of the dump and lift cylinder mechanism 8 is pivotally supported at an intermediate position in the longitudinal direction of the sub-frame 4, and the front elevator 3 a is connected to the sub-frame 4 when the sub-frame 4 is raised. The frame 4 can be dumped by the dump and lift cylinder mechanism 8. Further, the front toggle support machine 5a pivotally supports the lower end of the front toggle arm 11a on the rear frame 2, pivotally supports the front end of the front toggle cylinder 12a on the rear frame 2, and the front toggle cylinder 12a. The front rod 13a is pivotally supported at the lower end of the front toggle link 14a, the lower end of the front toggle link 14a is pivotally supported at the upper end of the front toggle arm 11a, and the front end of the front support arm 15a is It is pivotally supported on the frame 2, and the rear end of the front support arm 15 a and the upper end of the front toggle link 14 a are pivotally supported on a support bracket 16 that supports the subframe 4.

The loader detachable transport vehicle according to the present invention is provided with a front toggle support 5a of the subframe 4 at the front portion of the subframe 4 attached to the rear frame 2 at the rear of the vehicle body 1, and the subframe. 4, a dump / lift cylinder disposed between the rear frame 2 and the subframe 4 near the front portion between the front and rear portions of the subframe 4 is provided. It is assumed that a front elevator 3a having a mechanism 8 is disposed, and a rear elevator 3b having a lift cylinder mechanism 10 interposed between the rear frame 2 and the subframe 4 is disposed at the rear of the subframe 4. The subframe 4 is moved up and down horizontally by operating the front and rear elevators 3a and 3b and the front and rear toggle supporters 5a and 5b at the same time. Further, the sub-frame 4 is provided with a mounting / removal mechanism 7 that allows the mounting object 6 to be detachably mounted. The dump / lift cylinder mechanism 8 is located at an intermediate position in the longitudinal direction of the sub-frame 4. Further, the front elevator 3a is configured such that when the sub frame 4 is raised, the sub frame 4 can be dumped by the dump and lift cylinder mechanism 8. Further, the front toggle support machine 5a pivotally supports the lower end of the front toggle arm 11a on the rear frame 2, pivotally supports the front end of the front toggle cylinder 12a on the rear frame 2, and the front toggle cylinder 12a. The front rod 13a is pivotally supported at the lower end of the front toggle link 14a, the lower end of the front toggle link 14a is pivotally supported at the upper end of the front toggle arm 11a, and the front end of the front support arm 15a is It is pivotally supported on the frame 2, and the rear end of the front support arm 15 a and the upper end of the front toggle link 14 a are pivotally supported on a support bracket 16 that supports the subframe 4.

  In the loadable detachable transport vehicle of the present invention, the rear toggle support machine 5b pivotally supports the lower end of the rear toggle arm 11b on the rear frame 2, and pivotally supports the front end of the rear toggle cylinder 12b on the rear frame 2. The tip of the rear rod 13b of the rear toggle cylinder 12b is pivotally supported on the lower end of the rear toggle link 14b, the lower end of the rear toggle link 14b is pivotally supported on the upper end of the rear toggle arm 11b, and the front end of the rear support arm 15b is supported. It is pivotally supported on the rear frame 2, and the rear end of the rear support arm 15b is pivotally supported on the subframe 4 so as to be coaxial with the upper end of the rear toggle link 14b.

  Further, in the loadable detachable transport vehicle according to the present invention, one end of the lift cylinder mechanism 10 is pivotally supported on a lower end portion of a rear bracket 9b projecting downward from the rear frame 2, and the lift cylinder mechanism 10 The other end of the rear support arm 15b is pivotally supported on the subframe 4 so as to be coaxial with the rear end of the rear support arm 15b and the upper end of the rear toggle link 14b.

  Since the loader detachable transport vehicle according to the present invention is configured as described above, the dump and lift cylinder mechanism is not complicated in the front part of the subframe, and the assembly work at the time of manufacturing the transport vehicle can be performed. It becomes simple, and it becomes easy to perform maintenance and inspection when using a transport vehicle, and it becomes easy to perform dumping operation by the dump and lift cylinder mechanism, and the dump and lift cylinder mechanism is not enlarged, and the rear part of the rear frame The space becomes wide, and the degree of freedom at the rear end of the subframe is not limited, and the dump operation can be easily performed.

It is a partially broken side view of the loader detachable transport vehicle of this invention. It is a top view of the loader detachable conveyance vehicle of this invention. It is AA line explanatory drawing in FIG. 1 of the loadable detachable conveyance vehicle of this invention. It is the BB line explanatory drawing in FIG. 1 of the loader detachable conveyance vehicle of this invention. It is a partially broken side view of the state which raised the sub-frame of the loader detachable conveyance vehicle of this invention. It is CC line explanatory drawing in FIG. 5 of the loader detachable conveyance vehicle of this invention. FIG. 6 is an explanatory view taken along the line DD in FIG. 5 of the loadable detachable transport vehicle of the present invention. It is a partially broken side view of the state which carried out dump operation and tilted the sub-frame of the loader detachable conveyance vehicle of this invention. It is side view explanatory drawing of the front raising / lowering device and front toggle support machine of the loader detachable conveyance vehicle of this invention. It is side view explanatory drawing of the front elevator and the front toggle support machine of the state which raised the sub-frame of the loader detachable conveyance vehicle of this invention. It is side view explanatory drawing of the rear raising / lowering device and rear toggle supporter of the loadable detachable conveyance vehicle of this invention. It is side view explanatory drawing of the rear elevator and the rear toggle support machine in the state which raised the sub-frame of the loader detachable conveyance vehicle of this invention. It is the EE view explanatory drawing in FIG. 12 of the loader detachable conveyance vehicle of this invention. It is a partially broken side view of the container which is an example of the load mounted in the loadable detachable transport vehicle of this invention. It is a partially broken front view of the container shown in FIG. It is a partially broken side view of the tank which is another example of the load mounted in the loadable removable vehicle of this invention. It is a partially broken side view of the pallet which is still another example of the load mounted on the loadable detachable transport vehicle of the present invention. It is a partially broken side view of the conventional loader detachable transport vehicle. It is a partially broken side view of the state which raised the sub-frame of the conventional loader detachable conveyance vehicle. It is a partially broken side view of the state where the subframe of the conventional loader detachable transport vehicle is dumped and tilted. It is side view explanatory drawing of the front toggle support machine of the conventional loadable detachable conveyance vehicle. It is side view explanatory drawing of the rear part toggle support machine of the conventional loading thing detachable conveyance vehicle.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the loadable detachable transport vehicle of the present invention will be described in detail below based on the drawings.

  As shown in FIGS. 1 to 7, the loader detachable transport vehicle according to the present invention has a front elevator 3 a and a front part of the subframe 4 on both sides of the front part of the subframe 4 mounted on the rear frame 2 behind the vehicle body 1. It is assumed that a rear toggle support machine 5a is provided, and a rear elevator 3b of the subframe 4 is provided on both sides of the rear part of the subframe 4. The front elevator support 3a, 3b and the front toggle support machine 5a are provided. Are connected to a tuned hydraulic circuit and are operated simultaneously, whereby the sub-frame 4 is moved up and down horizontally. Further, the sub-frame 4 is provided with a mounting / removal mechanism 7 that allows the mounting object 6 to be detachably mounted. Further, as shown in FIG. 8, the front elevator 3a is configured such that when the subframe 4 is raised, the subframe 4 can be dumped.

  In addition, as shown in FIGS. 11 to 13, the mounted article detachable transport vehicle according to the present invention has, as another embodiment, the subframe 4 on both sides of the rear portion of the subframe 4 attached to the rear frame 2 behind the vehicle body 1. The rear elevator 3b and the rear toggle support 5b are arranged, and the front and rear elevators 3a and 3b and the front and rear toggle support 5a and 5b are connected to a tuning hydraulic circuit and operated simultaneously. Thus, the sub-frame 4 may be moved up and down horizontally.

  As shown in FIGS. 1 to 3, 5, and 6, the front elevator 3 a is a dump and lift cylinder interposed between the rear frame 2 and the subframe 4 near the front portion between the front and rear portions of the subframe 4. A mechanism 8 is provided. One end of the dump / lift cylinder mechanism 8 is pivotally supported at an intermediate position in the longitudinal direction of the subframe 4 and the other end of the dump / lift cylinder mechanism 8 is connected to the rear frame 2. It is assumed that it is pivotally supported at the lower end of the front bracket 9a projecting downward.

  As shown in FIGS. 1, 2, 4, 5, and 7, the rear elevator 3b is provided with a lift cylinder mechanism 10 interposed between the rear frame 2 and the subframe 4 at the rear of the subframe 4. Yes.

As shown in FIGS. 9 and 10, the front toggle support machine 5 a pivotally supports the lower end of the front toggle arm 11 a on the lower end of the front bracket 9 a protruding downward from the rear frame 2. The front end of the front toggle cylinder 12a is pivotally supported on the rear frame 2, the front end of the front rod 13a of the front toggle cylinder 12a is pivotally supported at the center of the lower end of the front toggle link 14a, and the lower end of the front toggle link 14a is supported. Both sides are pivotally supported on the upper end of the front toggle arm 11a, and the front end of the front support arm 15a is pivotally supported on the rear frame 2 so as to be coaxial with the front end of the front toggle cylinder 12a. Further, the rear end of the front support arm 15a and the upper end of the front toggle link 14a are axially supported on the support bracket 16 that supports the front lift beam 4a provided on the subframe 4. .

  As shown in FIGS. 11 and 12, the rear toggle support machine 5 b pivotally supports the lower end of the rear toggle arm 11 b on the lower end portion of the rear bracket 9 b projecting downward from the rear frame 2. The front end of the cylinder 12b is pivotally supported by the rear frame 2, the tip of the rear rod 13b of the rear toggle cylinder 12b is pivotally supported at the center of the lower end of the rear toggle link 14b, and both lower ends of the rear toggle link 14b are supported by the rear toggle arm 11b. The rear support arm 15b is pivotally supported at the upper end, the front end of the rear support arm 15b is coaxial with the front end of the rear toggle cylinder 12b and is pivotally supported on the rear frame 2, and the rear end of the rear support arm 15b is coaxial with the upper end of the rear toggle link 14b. As shown in FIG.

  As shown in FIGS. 9 and 10, the dump and lift cylinder mechanism 8 includes a cylinder 8 a and a rod 8 b, and one end of the dump and lift cylinder mechanism 8, that is, the upper end of the cylinder 8 a is connected to the longitudinal direction of the subframe 4. The other end of the dump and lift cylinder mechanism 8, that is, the tip of the rod 8b is pivotally supported on the lower end of the front bracket 9a projecting downward from the rear frame 2. It is assumed that Although not shown, the tip of the rod 8b of the dump and lift cylinder mechanism 8 is pivotally supported at an intermediate position in the longitudinal direction of the subframe 4, and the cylinder 8a of the dump and lift cylinder mechanism 8 is The lower end may be pivotally supported on the lower end portion of the front bracket 9a projecting downward from the rear frame 2.

  As shown in FIGS. 11 and 12, the lift cylinder mechanism 10 includes a cylinder 10 a and a rod 10 b, and one end of the lift cylinder mechanism 10, that is, a lower end of the cylinder 10 a is projected downward from the rear frame 2. The other end of the lift cylinder mechanism 10, that is, the tip of the rod 10 b is coaxial with the rear end of the rear support arm 15 b and the upper end of the rear toggle link 14 b. It is assumed that it is pivotally supported. Although not shown, the tip of the rod 10b of the lift cylinder mechanism 10 is pivotally supported on the lower end of a rear bracket 9b projecting downward from the rear frame 2, and the cylinder of the lift cylinder mechanism 10 is supported. The upper end of 10a may be pivotally supported on the subframe 4 so as to be coaxial with the rear end of the rear support arm 15b and the upper end of the rear toggle link 14b.

  When the subframe 4 is raised, the rod 8b of the dump and lift cylinder mechanism 8 of the front elevator 3a is extended, and the front rod 13a of the front torque cylinder 12a of the front toggle support machine 5a is contracted. Then, the rod 10b of the lift cylinder mechanism 10 of the rear elevator 3b is extended. Then, the front torque arm 11a and the front torque link 14a rotate and are supported by the front support arm 15a in a state of rising in a straight line, and the front portion of the subframe 4 is fixed at the raised position. The extended rod 10b of the mechanism 10 is supported by the rear support arm 15b, and the rear portion of the subframe 4 is also fixed in the raised position.

  When the subframe 4 is lowered, the rod 8b of the dump and lift cylinder mechanism 8 of the front elevator 3a is contracted, and the front rod 13a of the front torque cylinder 12a of the front toggle support machine 5a is extended. Then, the rod 10b of the lift cylinder mechanism 10 of the rear elevator 3b is contracted. As a result, the front torque arm 11a and the front torque link 14a rise from a straight line to bend in a "<" shape, and the front portion of the subframe 4 is fixed at the lowered position. The rod 10b of the mechanism 10 is also contracted, and the rear portion of the subframe 4 is also fixed at the lowered position.

  As shown in FIGS. 11 and 12, when the rear elevator 3b is disposed on the rear frame 2, the rear elevator 3b operates in the same manner as the front elevator 3a and raises the rear portion of the subframe 4. It is fixed at the position and the lowered position.

  The load 6 is a bucket-type container suitable for transporting rocks, ores, earth and sand, as shown in FIGS. 14 and 15, and for watering, transporting oil, gas, etc. as shown in FIG. And a pallet suitable for transporting long objects such as wood and metal as shown in FIG. Support legs 6b are provided below both side portions of the main body 6a of the mount 6 and an entry space S of the rear frame 2 is defined between the support legs 6b. Further, cushion bodies C are attached to the upper ends of the support legs 6b. Further, the bottom frame 6c of the main body 6a is provided with a front locking member 17a at the front end, and a plurality of middle locking members 17b in the width direction (two shown in the figure) are arranged in parallel at a substantially central portion. It is assumed that it was provided. The front locking member 17a is a plate projecting downward from the main body 6a, and the middle locking member 17b is a pin 19 pivoted between two brackets 18 projecting downward from the main body 6a. It is supposed to be supported. When the mounted object 6 is placed on the ground, the height of the subframe 4 in the lowered position is set below the bottom frame 6c of the main body 6a. When the body 6c is pushed up, the main body 6a rises and the support leg 6b is lifted so that it can be transported.

  As shown in FIGS. 1 and 2, the mounting / removal mechanism 7 includes a stopper 20 projecting laterally on both front sides of the subframe 4 and a front projecting upward on the front end of the subframe 4. A lock body 21a and a central lock body 21b that is provided in parallel in the width direction at the substantially central portion of the subframe 4 (two shown in the figure) and is operated by a guide 22 protruding from the rear frame 2. It is supposed to be. When the sub-frame 4 is lowered, the middle lock body 21b is in a substantially horizontal state and is detached from the pin 19 of the middle lock member 17b provided on the bottom frame 6c of the main body 6a of the load 6. It has become. Therefore, when the subframe 4 in the lowered arrangement is gradually raised, the front lock member 17a of the mounted object 6 is locked to the front lock body 21a of the mounting / removal mechanism 7 and the middle lock body. 21b is caught by the pin 19 of the middle locking member 17b provided on the bottom frame 6c of the main body 6a of the load 6, and the load 6 is prevented from jumping up.

  In order to mount the mounted object on the rear frame in a detachable manner using the mounted article removable transport vehicle of the present invention configured as described above, it is performed as follows.

First, the vehicle body 1 is moved backward, and the subframe 4 is moved into the entrance space S of the load 6 that has been previously loaded with rocks, ore, earth and sand, and placed on the ground by the front and rear elevators 3a and 3b in FIGS. The rear frame 2 in the lowered arrangement state shown is advanced, and the entrance of the rear frame 2 is stopped when the cushion body C attached to the support leg 6b of the load 6 contacts the stopper 20 of the mounting / removal mechanism 7. Then, when the subframe 4 is brought into the raised arrangement state shown in FIGS. 5 to 7 by the front and rear elevators 3a and 3b, the front lock member 17a of the load 6 becomes the front lock body 21a of the mount attachment / detachment mechanism 7 as described above. locked together mounted object 6 is stable not move laterally, the pin of the central locking member 17b provided in the bottom frame 6c of the central lock body 21b of the mounting detachable mechanism 7 the main body portion 6a of the payloads 6 The load 6 is prevented from jumping up to 19 and is mounted on the subframe 4 in a stable state in which the load 6 does not move in the lateral direction or the upward direction. Therefore, with the loader detachable transport vehicle of the present invention, the loader 6 can be transported in a stable state to the target location even when the road for transporting the loader 6 is bad and rolls.

  Further, in the loader detachable transport vehicle according to the present invention, in order to lower the load 6 mounted on the rear frame 2, when the subframe 4 is placed in the lowered position by the front and rear lifts 3a and 3b, the middle lock body 21b Becomes substantially horizontal, and the middle lock body 21b is detached from the pin 19 of the middle lock member 17b provided on the bottom frame 6c of the main body portion 6a of the load 6. Therefore, the vehicle body 1 may be advanced in a state where the sub-frame 4 is disposed in a lowered manner by the front and rear elevators 3a and 3b. In this way, the rear frame 2 is pulled out from the entry space S of the load 6 and the load 6 mounted on the rear frame 2 can be lowered.

  Furthermore, in the loadable detachable transport vehicle of the present invention, the load of rock, ore, earth and sand can be unloaded together with the load 6 as described above, or only the load can be suspended by a crane or the like. While being mounted on the frame 4, the subframe 4 can be tilted by the dump and lift cylinder mechanism 8 as shown in FIG. The load 6 does not slide down because the front lock member 17a is locked to the front lock body 21a of the mount attachment / detachment mechanism 7.

  In this case, the dump and lift cylinder mechanism 8 is interposed between the rear frame 2 and the subframe 4 near the front portion between the front and rear portions of the subframe 4. In order to pivotally support one end of the dump and lift cylinder mechanism 8 at an intermediate position, a single-stage cylinder mechanism with a long stroke as shown in FIG. Since a multi-stage cylinder mechanism with a short stroke as described above can be employed, the bulk is very low.

  In addition, as shown in FIG. 1, the dump / lift cylinder mechanism 8 has a deeper mounting angle with the subframe 4, and as a result, the force for dumping the subframe 4 is more efficient with respect to the load. Therefore, even when the weight of the load 6 mounted on the subframe 4 is large, the dump operation is easy to perform, and the dump and lift cylinder mechanism 8 is not enlarged.

  Furthermore, in the loader detachable transport vehicle according to the present invention, when the rear toggle support machine 5b of the subframe 4 is not disposed at the rear of the subframe 4, the rear space of the rear frame 2 is determined. Therefore, the degree of freedom during the dumping operation is not limited, and the driver's view during the dumping operation is improved, so that the dumping operation becomes very easy.

DESCRIPTION OF SYMBOLS 1 Car body 2 Rear frame 3a Front elevator 3b Rear elevator 4 Subframe 5a Front toggle support machine 5b Rear toggle support machine 6 Mounted object 7 Mounting attachment / detachment mechanism 8 Dump and lift cylinder mechanism 9a Front bracket 9b Rear bracket 10 Lift cylinder mechanism 11a Front toggle arm 11b Rear toggle arm 12a Front toggle cylinder 12b Rear toggle cylinder 13a Front rod 13b Rear rod 14a Front toggle link 14b Rear toggle link 15a Front support arm 15b Rear support arm 16 Support bracket

Claims (4)

A front toggle support machine (5a) of the subframe (4) is disposed at a front portion of the subframe (4) attached to the rear frame (2) at the rear of the vehicle body (1), and the subframe (4) A front elevator (3a) having a dump and lift cylinder mechanism (8) interposed between the rear frame (2) and the subframe (4) is disposed near the front part between the front and rear parts of the It is assumed that a rear elevator (3b) having a lift cylinder mechanism (10) interposed between the rear frame (2) and the subframe (4) is disposed at the rear of the frame (4). 3a, 3b) and the front toggle supporter (5a) are operated simultaneously to move the subframe (4) up and down horizontally, and the subframe (4) further includes a load (6). Wearing A mounting / removal mechanism (7) that can be freely mounted is provided, and one end of the dump and lift cylinder mechanism (8) is pivotally supported at an intermediate position in the longitudinal direction of the subframe (4). Moreover, the front elevator (3a) is a loadable detachable transport vehicle in which the subframe (4) can be dumped by the dump and lift cylinder mechanism (8) when the subframe (4) is raised. There,
The front toggle support machine (5a) pivotally supports the lower end of the front toggle arm (11a) on the rear frame (2) and pivots the front end of the front toggle cylinder (12a) on the rear frame (2). The tip of the front rod (13a) of the front toggle cylinder (12a) is pivotally supported by the lower end of the front toggle link (14a), and the lower end of the front toggle link (14a) is supported by the front toggle arm (11a). ), And the front end of the front support arm (15a) is supported on the rear frame (2). The rear end of the front support arm (15a) and the front toggle link (14a) An on-board detachable transport vehicle characterized in that the upper end is pivotally supported by a support bracket (16) that supports the subframe (4) . A front toggle support machine (5a) of the subframe (4) is disposed at a front portion of the subframe (4) attached to the rear frame (2) at the rear of the vehicle body (1), and the subframe (4) A rear toggle supporter (5b) of the subframe (4) is disposed at the rear, and the rear frame (2) and the subframe (4) are located closer to the front between the front and rear portions of the subframe (4). A front elevator (3a) having a dump and lift cylinder mechanism (8) interposed therebetween is disposed, and at the rear of the subframe (4), between the rear frame (2) and the subframe (4). It is assumed that a rear elevator (3b) having an interposed lift cylinder mechanism (10) is disposed, and by operating these front / rear elevators (3a, 3b) and the front / rear toggle supporters (5a, 5b) simultaneously. , It is assumed that the subframe (4) is moved up and down horizontally, and further, the subframe (4) is provided with a mounting / removal mechanism (7) that allows the mounting object (6) to be mounted detachably, One end of the dump and lift cylinder mechanism (8) is pivotally supported at an intermediate position in the longitudinal direction of the subframe (4), and the front elevator (3a) is disposed when the subframe (4) is raised. The subframe (4) is a loader detachable transport vehicle that can be dumped by the dump and lift cylinder mechanism (8) ,
The front toggle support machine (5a) pivotally supports the lower end of the front toggle arm (11a) on the rear frame (2) and pivots the front end of the front toggle cylinder (12a) on the rear frame (2). The tip of the front rod (13a) of the front toggle cylinder (12a) is pivotally supported by the lower end of the front toggle link (14a), and the lower end of the front toggle link (14a) is supported by the front toggle arm (11a). ), And the front end of the front support arm (15a) is supported on the rear frame (2). The rear end of the front support arm (15a) and the front toggle link (14a) An on-board detachable transport vehicle characterized in that the upper end is pivotally supported by a support bracket (16) that supports the subframe (4) .   The rear toggle support machine (5b) pivotally supports the lower end of the rear toggle arm (11b) on the rear frame (2), and pivotally supports the front end of the rear toggle cylinder (12b) on the rear frame (2). The tip of the rear rod (13b) of the toggle cylinder (12b) is pivotally supported on the lower end of the rear toggle link (14b), and the lower end of the rear toggle link (14b) is pivotally supported on the upper end of the rear toggle arm (11b). The front end of the rear support arm (15b) is pivotally supported on the rear frame (2), and the rear end of the rear support arm (15b) is coaxial with the upper end of the rear toggle link (14b) and is pivoted on the subframe (4). The loadable / removable transporter according to claim 2, wherein the loadable transporter is supported. One end of the lift cylinder mechanism (10) is pivotally supported on the lower end of a rear bracket (9b) projecting downward from the rear frame (2), and the other end of the lift cylinder mechanism (10) is The loadable / detachable transport according to claim 3, wherein the rear support arm (15b) and the upper end of the rear toggle link (14b) are coaxially supported on the subframe (4). car.

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