JP5733620B2 - 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, this type of loadable detachable transport vehicle includes, for example, those shown in FIGS.

  As shown in the figure, this loadable detachable transport vehicle has a front toggle arm 41a, a front toggle link 42a, and a front toggle cylinder 43a at the front portion of the sub-frame 34 attached to the rear frame 32 behind the vehicle body 31. A front toggle support device 35a having a rear toggle arm 41b, a rear toggle link 42b, and a rear toggle cylinder 43b at a rear portion of the subframe 34. 34, a front elevator 33a having a dump and lift cylinder mechanism 38 interposed between the rear frame 32 and the subframe 34 is disposed near the front part between the front and rear parts 34. Rear lifting with a lift cylinder mechanism 40 interposed between the frame 32 and the subframe 34 It is assumed that was what was disposed 33b.

  The sub-frame 34 is moved horizontally up and down by simultaneously operating the front / rear elevators 33a and 33b and the front / rear toggle supporters 35a and 35b.

  Further, the sub-frame 34 is provided with a mounting / removal mechanism 37 that allows a mounted object (not shown) such as a container to be detachably mounted, and the front elevator 33a is disposed when the sub-frame 34 is raised. The sub-frame 34 can be dumped by the dump and lift cylinder mechanism 38 (Patent Document 1).

    Explanation of “Miwa Flat Selfing” (Miwa Transport Industry Co., Ltd. Product Company Harima Factory) [Search on March 23, 2011], Internet <URL: http://www.miwa-sharyo.com/page11.html >

  By the way, in the conventional loader detachable transport vehicle, when the load is lowered onto the ground or the like after the load such as a container is mounted on the subframe 34, the front / rear toggle arms 41a and 41b and the front / rear toggle As shown in FIG. 18, the links 42a and 42b are each in a straight line, and as shown in FIG. 19, the toggle mechanism is released and each of the links 42a and 42b is bent into a "<" shape. The front and rear portions of the subframe 4 are fixed at the lowered position.

  However, when the front and rear toggle arms 41a and 41b and the front and rear toggle links 42a and 42b stand up in a straight line as shown in FIG. 18, the full load of the load is applied to the toggle mechanism. Therefore, there is a problem that it is difficult to release the toggle mechanism due to a large load of the load.

  Further, as shown in FIG. 19, when the front and rear toggle arms 41a and 41b and the front and rear toggle links 42a and 42b are released into the state of being folded in the shape of "<" as the toggle mechanism is released, The entire load is applied to the front and rear toggle cylinders 43a and 43b, and there is a concern about the burden on each major part such as the dump and lift cylinder mechanism 38, the lift cylinder mechanism 40, and the front and rear toggle cylinders 43a and 43b due to a large impact. Had the problem of

  Therefore, the present invention releases the toggle mechanism even when a large load on the load mounted on the subframe is applied to the toggle mechanism in which the front and rear toggle arms and the front and rear toggle links stand up in a straight line. Even if the toggle mechanism is bent, the entire load of the load is not applied to the front and rear toggle cylinders, and a large impact does not occur and a load is applied to each main part. It was made for the purpose of providing a loadable detachable transport vehicle.

Therefore, the loader detachable transport vehicle of the present invention is provided with the front elevator 3a and the front toggle support 5a of the subframe 4 at the front portion of the subframe 4 mounted on the rear frame 2 behind the vehicle body 1. It is assumed that a rear elevator 3b of the subframe 4 is disposed at the rear of the subframe 4, and the front elevators 3a and 3b and the front toggle support 5a are connected to a tuning hydraulic circuit, and at the same time When operated, the sub-frame 4 is moved up and down horizontally, and the front toggle support machine 5a pivotally supports the lower end of the front toggle arm 11a on the rear frame 2, and the front end of the front toggle cylinder 12a. Is supported on the rear frame 2, and the front end of the front rod 13a of the front toggle cylinder 12a is supported on the lower end of the front toggle link 14a. The lower end of the hook 14a is pivotally supported on the upper end of the front toggle arm 11a, the front end of the front support arm 15a is pivotally supported on the rear frame 2, the rear end of the front support arm 15a, and the front toggle It is assumed that the upper end of the link 14a is pivotally supported by a support bracket 16 that supports the subframe 4, and when the load 6 is lowered from the state in which the load 6 is mounted on the subframe 4, the front toggle From the state in which the front toggle arm 11a and the front toggle link 14a of the support machine 5a rise in a straight line, immediately before the toggle mechanism is released and bent, the load 6 is moved to the front / rear lift 3a. 3b, and after that, the toggle mechanism is released to be bent.

  Further, the loader detachable transport vehicle according to the present invention is configured such that the release of the toggle mechanism of the front toggle support machine 5a and the horizontal lifting and lowering of the subframe 4 can be performed separately.

Further, in the loadable detachable transport vehicle of the present invention, the front elevator 3a and the front toggle support 5a of the subframe 4 are disposed at the front portion of the subframe 4 attached to the rear frame 2 behind the vehicle body 1. In the rear portion of the subframe 4, a rear elevator 3b of the subframe 4 and a rear toggle support 5b are provided, and the front elevators 3a and 3b and the front and rear toggle support are provided. By connecting the machines 5a and 5b to the tuning hydraulic circuit and operating them simultaneously, the subframe 4 is moved up and down horizontally, and the front toggle support machine 5a has the lower end of the front toggle arm 11a connected to the rear frame. 2, the front end of the front toggle cylinder 12a is supported on the rear frame 2, and the front end of the front rod 13a of the front toggle cylinder 12a is connected to the front toggle. The lower end of the link 14a is pivotally supported, the lower end of the front toggle link 14a is pivotally supported on the upper end of the front toggle arm 11a, the front end of the front support arm 15a is pivotally supported on the rear frame 2, and the front portion The rear end of the support arm 15a and the upper end of the front toggle link 14a are pivotally supported by the support bracket 16 that supports the subframe 4, and the rear toggle support machine 5b is provided at the lower end of the rear toggle arm 11b. Is supported on the rear frame 2, the front end of the rear toggle cylinder 12b is pivotally supported 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, and the rear toggle link is supported. The lower end of 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 support is supported. The rear end of the arm 15b and those axially supported on the sub-frame 4, a state mounted with payloads 6 to the sub-frame 4, when unloading the mounted object 6, the front and rear toggle support machine 5a, 5b of the From the state where the front / rear toggle arms 11a, 11b and the front / rear toggle links 14a, 14b stand up in a straight line, immediately before the toggle mechanism is released and the bent parts 6 are bent, It is lifted by the elevators 3a and 3b, and then the toggle mechanism is released so as to be bent.

  Furthermore, the loader detachable transport vehicle of the present invention is configured such that the release of the toggle mechanism of the front and rear toggle supporters 5a and 5b and the horizontal lifting and lowering of the subframe 4 can be performed separately.

  Since the loader detachable transport vehicle of the present invention is configured as described above, a large load of the loader 6 mounted on the subframe 4 is applied to the toggle mechanism of the front and rear toggle supporters 5a and 5b. However, it becomes easy to release the toggle mechanism, and the operability of the toggle mechanism is very excellent.

  Furthermore, in the loadable detachable transport vehicle of the present invention, even when the toggle mechanism is bent, the entire load of the loadable object 6 is not applied to the front and rear toggle cylinders 14a and 14b, and a large impact does not occur. Thus, the front and rear toggle support machines 5a and 5b have very few failures and a long service life without any burden on each main part.

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 a partially broken side view of the state which raised the sub-frame of the loader detachable conveyance vehicle of this 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 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 simplified explanatory drawing which shows the process of taking down the load mounted in the loadable detachable transport vehicle of this invention. It is simplified explanatory drawing which shows the process of taking down the load mounted in the loadable detachable transport vehicle of this invention. It is simplified explanatory drawing which shows the process of taking down the load mounted in the loadable detachable transport vehicle of this 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 simplified explanatory drawing which shows the process of taking down the load mounted in the conventional loadable detachable transport vehicle. It is simplified explanatory drawing which shows the process of taking down the load mounted in the conventional loadable detachable transport 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 3, the loader detachable transport vehicle of 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 at the rear of 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.

  The loader detachable transport vehicle according to the present invention is configured so that when the loader 6 is lowered onto the ground or the like from the state in which the loader 6 is mounted on the subframe 4, the front toggle supporter 5a has a front toggle. From the state where the arm 11a and the front toggle link 14a rise in a straight line, immediately before the toggle mechanism is released and bent into a "<" shape, the load 6 is moved to the front / rear elevator 3a. 3b, and then the toggle mechanism is released so that it is bent into a "<" shape.

  Further, the loader detachable transport vehicle according to the present invention is configured such that the release of the toggle mechanism of the front toggle support machine 5a and the horizontal lifting and lowering of the subframe 4 can be performed separately. For this purpose, a switching valve or the like may be interposed in the tuning hydraulic circuit.

  Moreover, as shown in FIGS. 7 and 8, the loader 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 mounted on 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.

  In this case, the loader detachable transport vehicle according to the present invention is arranged so that when the load is lowered onto the ground or the like from the state in which the load is mounted on the subframe 4, the front and rear toggle supporters 5a and 5b From the state where the part toggle arms 11a, 11b and the front and rear toggle links 14a, 14b are respectively raised in a straight line, the mounting is performed immediately before the toggle mechanism is released and each part is bent into a "<" shape. The object is lifted by the front and rear elevators 3a and 3b, and then the toggle mechanism is released so that each of the objects is bent into a "<" shape.

  Furthermore, the loader detachable transport vehicle of the present invention is configured such that the release of the toggle mechanism of the front and rear toggle supporters 5a and 5b and the horizontal lifting and lowering of the subframe 4 can be performed separately. For this purpose, a switching valve or the like may be interposed in the tuning hydraulic circuit.

  Moreover, the loader detachable transport vehicle of the present invention is such that the load is lifted for several seconds by the front and rear elevators 3a and 3b. To do this, a timer or the like may be interposed in the tuning hydraulic circuit.

  Furthermore, in the mounted article detachable transport vehicle according to the present invention, the subframe 4 is provided with a mounting / removal mechanism 7 that allows the mounted article 6 to be detachably mounted. Further, as shown in FIG. 4, the front elevator 3a is configured such that when the subframe 4 is raised, the subframe 4 can be dumped.

  As shown in FIGS. 1 to 4, the front elevator 3 a includes a dump and lift cylinder mechanism 8 interposed between the rear frame 2 and the subframe 4 near the front portion between the front and rear portions of the subframe 4. 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 other end of the dump and lift cylinder mechanism 8 faces the lower side of the rear frame 2. It is assumed that it is pivotally supported at the lower end of the front bracket 9a projecting.

  The rear elevator 3b includes a lift cylinder mechanism 10 interposed between the rear frame 2 and the subframe 4 at the rear of the subframe 4 as shown in FIGS.

  As shown in FIGS. 5 and 6, 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 that projects 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 a support bracket 16 that supports the front lift beam 4a provided on the subframe 4.

  As shown in FIGS. 7 and 8, the rear toggle support machine 5 b pivotally supports the lower end of the rear toggle arm 11 b on the lower end 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. 5 and 6, 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. 7 and 8, 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, the 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 sub frame 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 toggle 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 toggle arm 11a and the front toggle 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, and the lift The extended rod 10b of the cylinder mechanism 10 is supported by the rear support arm 15b, and the rear portion of the subframe 4 is also fixed at 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 toggle 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 toggle arm 11a and the front toggle link 14a rise from a straight line, and are bent into a "<" shape, and the front portion of the subframe 4 is fixed at the lowered position. The rod 10b of the cylinder mechanism 10 is also contracted, and the rear portion of the subframe 4 is also fixed at the lowered position.

  As shown in FIGS. 7 and 8, when the rear toggle support machine 5b of the subframe 4 is provided, the rear toggle support machine 5b operates in the same manner as the front toggle support machine 5a. The rear part of the frame 4 is fixed at the raised 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. 9 and 10, 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, and the bottom frame of the main body 6a is positioned in the raised position of the subframe 4. 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 to 3, the mounting / removal mechanism 7 includes a stopper 20 projecting horizontally on both front sides of the subframe 4 and a front part 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 load on the subframe in a detachable manner using the loadable detachable 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 placed in the approach 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, FIGS. The rear frame 2 in the lowered arrangement state shown in FIG. 7 is entered, and the entrance of the rear frame 2 is stopped when the cushion body C attached to the support leg 6b of the mounted object 6 comes into contact with the stopper 20 of the mounting / removal mechanism 7. .

  When the subframe 4 is brought into the raised arrangement state shown in FIGS. 3, 6, and 8 by the front and rear elevators 3 a and 3 b, as described above, the front lock member 17 a of the load 6 is the front lock body of the mount attachment / detachment mechanism 7. 21a, the mounted object 6 is in a stable state in which it does not move in the horizontal direction, and the middle locking member 21b of the mounting / removal mechanism 7 is provided on the bottom frame 6c of the main body 6a of the mounted object 6. The mounted object 6 is prevented from jumping up by being caught by the pins 19, and the mounted object 6 is mounted on the subframe 4 in a stable state in which it does not move in the horizontal direction or the vertical 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.

  Next, in the loadable detachable transport vehicle according to the present invention, the front and rear toggle arms 11a and 11b and the front and rear toggle links 14a and 14b of the front and rear toggle supporters 5a and 5b are used to lower the loaded load 6. As shown in FIG. 13, from the state where each of the mounted items rises in a straight line, immediately before the toggle mechanism is released and each of them is bent into a "<" shape as shown in FIG. Is lifted by the dump and lift cylinder mechanism 8 and the lift cylinder mechanism 10 which are the front and rear elevators 3a and 3b. Then, the total load of the load is applied to the dump / lift cylinder mechanism 8 and the lift cylinder mechanism 10 and is not applied to the front and rear toggle supporters 5a and 5b, so that the toggle mechanism can be easily released. .

  Therefore, the front and rear toggle supporters 5a and 5b are operated to release the toggle mechanism as shown in FIG. When the sub-frame 4 is lowered by the dump / lift cylinder mechanism 8 and the lift cylinder mechanism 10, the middle lock body 21b is in a substantially horizontal state, and the middle lock body 21b is a bottom frame of the main body portion 6a of the load 6. It is detached from the pin 19 of the middle locking member 17b provided on 6c. Therefore, the vehicle body 1 may be advanced in a state where the sub-frame 4 is placed in the lowered position by the dump / lift cylinder mechanism 8 and the lift cylinder mechanism 10. 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.

  Further, in the loadable detachable transport vehicle of 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 dump operation is not limited, and the driver's field of view during the dump operation is improved, so that the dump operation is very easy to perform.

DESCRIPTION OF SYMBOLS 1 Car body 2 Rear frame 3a Front elevator 3b Rear elevator 4 Sub frame 5a Front toggle support machine 5b Rear toggle support machine 6 Mounted object 11a Front toggle arm 11b Rear toggle arm 14a Front toggle link 14b Rear toggle link

Claims (4)

At the front part of the subframe (4) mounted on the rear frame (2) at the rear of the vehicle body (1), a front elevator (3a) and a front toggle supporter (5a) of the subframe (4) are arranged. It is assumed that the rear elevator (3b) of the subframe (4) is disposed at the rear of the subframe (4), and the front elevator support (3a, 3b) and the front toggle support (5a). Are connected to the tuned hydraulic circuit and operated simultaneously, so that the subframe (4) is moved up and down horizontally. The front toggle support machine (5a) has the lower end of the front toggle arm (11a) It is pivotally supported on the rear frame (2), the front end of the front toggle cylinder (12a) is pivotally supported on the rear frame (2), and the tip of the front rod (13a) of the front toggle cylinder (12a) is supported on the front toggle ring. (14a) is pivotally supported at the lower end, 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 supported by the rear frame (2 ), And the rear end of the front support arm (15a) and the upper end of the front toggle link (14a) are supported by the support bracket (16) supporting the subframe (4). When the load (6) is lowered from the state in which the load (6) is mounted on the subframe (4), the front toggle arm (11a) of the front toggle support machine (5a) and the front From the state where the part toggle link (14a) stands up in a straight line, immediately before the toggle mechanism is released and bent, the load (6) is lifted by the front and rear lifts (3a, 3b), Then said Payload detachable carrier vehicle, characterized in that as the bent state to release the glue mechanism.   2. The loader detachable transport vehicle according to claim 1, wherein the release of the toggle mechanism of the front toggle support machine (5a) and the horizontal lifting / lowering of the subframe (4) can be performed separately. At the front part of the subframe (4) mounted on the rear frame (2) at the rear of the vehicle body (1), a front elevator (3a) and a front toggle supporter (5a) of the subframe (4) are arranged. In the rear part of the subframe (4), a rear elevator (3b) of the subframe (4) and a rear toggle supporter (5b) are provided. 3a, 3b) and front and rear toggle support machine (5a, 5b) connected to the tuning the hydraulic circuit, by actuating at the same time, and that the sub-frame (4) such that the horizontal lifting, front toggle support machine ( 5a), the lower end of the front toggle arm (11a) is pivotally supported on the rear frame (2), the front end of the front toggle cylinder (12a) is pivotally supported on the rear frame (2), and the front toggle cylinder ( 12 ) Of the front rod (13a) is pivotally supported on the lower end of the front toggle link (14a), and the lower end of the front toggle link (14a) is pivotally supported on the upper end of the front toggle arm (11a). The front end of the front support arm (15a) is pivotally supported on the rear frame (2), and the rear end of the front support arm (15a) and the upper end of the front toggle link (14a) are connected to the subframe ( 4) is supported on the support bracket (16) supporting the rear toggle support machine (5b), and the lower end of the rear toggle arm (11b) is pivotally supported on 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 by the lower end of the rear toggle link (14b), and 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 supported on the subframe. When the load (6) is lowered from the state in which the load (6) is mounted on the subframe (4), the front / rear toggle supporters (5a, 5b) From the state where the front and rear toggle arms (11a, 11b) and the front and rear toggle links (14a, 14b) stand up in a straight line, immediately before the toggle mechanism is released and each of the mounted items is bent. (6) is lifted by the front and rear elevators (3a, 3b), and then the toggle mechanism is released to be in a folded state. car.   4. The loadable detachable transport vehicle according to claim 3, wherein the release of the toggle mechanism of the front and rear toggle support machines (5a, 5b) and the horizontal lifting / lowering of the subframe (4) can be performed separately. .

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