JP4184248B2 - Detachable marking device - Google Patents

Description

  The present invention relates to a detachable sign apparatus for displaying a sign corresponding to a work situation during work.

  2. Description of the Related Art Conventionally, for example, as disclosed in Patent Document 1, as a load box detachable work vehicle, a container that is detachably mounted on a vehicle body is supported by a support leg on the ground while being separated from the vehicle body, and the vehicle body is moved forward. There is known a horizontal detachable type in which the container is moved substantially in the horizontal direction with respect to the vehicle body by moving the container to the position.

  In such a packing box detachable work vehicle, a sign device for displaying a sign toward the rear of the vehicle when the work vehicle is working is installed.

Specifically, as shown in FIG. 8, the sign device is configured by providing a warning light b on the upper portion of the sign device main body a and fixing the back surface of the sign device main body a to the support frame c in this state. Has been. In addition, this marking device is attached to a gantry by being suspended and transferred by a suspension device such as a crane device, and a hook of the suspension device is attached to the upper end portion of the support frame for the suspension. A latching tool d such as an eyebolt to be latched is provided.
Japanese Utility Model Publication No. 6-39575

  However, in the conventional marking device, the latching tool d is provided at the upper end portion of the support frame c fixed on the back surface of the labeling device main body a, so that the position of the latching tool d is relative to the center of gravity of the entire device. In FIG. 8, it is shifted to the rear side, which is the left side. Therefore, when the sign device is suspended by the suspension device, as shown in FIG. 9, the sign device is suspended in an inclined state, and in this state, it must be transferred and mounted on the gantry.

  In other words, since it is necessary to mount the tilted sign device on the gantry while correcting the posture in the vertical state, it is difficult to correct the posture and position the gantry on the gantry. There was a problem.

  In addition, when the labeling device is moved, the labeling device may be temporarily placed on the ground or the like. However, in the conventional labeling device as described above, it must be temporarily placed in an unstable state, and may be damaged by a fall or the like. There was a risk of injuries and injuries.

  The present invention has been made in view of the above-mentioned problems, and the purpose thereof is to be able to stably transfer onto a gantry in a vertical state without tilting when suspended, and to easily attach to the gantry, In addition, an object of the present invention is to provide a detachable marking device that can be stably placed on the ground or the like.

To achieve the above object, the removable label device of the invention according to claim 1, in removable label device that is detachably mounted with respect to the gantry, and the labeling apparatus main body, and the warning light, indicator device body And a support frame for attaching the warning light and adjusting the position of the center of gravity of the entire apparatus. The support frame includes an upper horizontal frame for attaching the warning light, a lower horizontal frame fixed to the frame, and the upper horizontal frame. And the lower horizontal frame, and a vertical frame for attaching the labeling device main body. The support frame is provided with a latch for hanging by the suspension device on a vertical plane that matches the position of the center of gravity. Is.

  In the detachable marking device of the invention according to claim 2, the lower horizontal frame is inserted into a positioning pin projecting from a mounting surface of the gantry to be positioned at an appropriate position when being attached to the gantry. A positioning hole is formed.

  According to a third aspect of the present invention, the detachable marking apparatus is provided on the cargo box side or the vehicle side or both of a work vehicle on which the cargo box is detachably mounted.

  According to the present invention, even if the sign device is suspended by the suspension device, it can be stably transferred in a vertical state without being inclined, and in this state, it can be smoothly arranged on the gantry. Therefore, the positioning by the positioning pins and the positioning holes on the gantry can be performed smoothly, and thereby the transfer operation of the marker device can be performed easily, quickly and efficiently without burden.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows a load box removable work vehicle equipped with a marking device.

  In FIG. 1, the vehicle body 10 of the work vehicle 1 includes a pair of left and right main frames 11 extending in the front-rear direction of the vehicle body 10, and a cabin 12 is provided at the front portion of each main frame 11. On the rear part of each main frame 11, a packing box N is detachably mounted via a plurality of packing box receiving bases 13 provided on the left and right.

  Further, each main frame 11 is provided with a horizontal detaching device 2 for detaching the packing box N in a substantially horizontal direction on each main frame 11 via each packing box cradle 13. The horizontal detaching apparatus 2 includes a connection beam (not shown) provided between the main frames 11 and 11 at both front and rear positions of the main frame 11 and supported so as to be movable up and down in the vertical direction. Four hydraulic cylinders 21 are provided at both ends and move up and down each connecting beam with respect to the main frame 11 (packing box cradle 13).

  Further, at four locations on the main frame 11 corresponding to the four corners of the packing box N, lock devices (not shown) for securing the packing box N mounted on the main frame 11 so as to be unlockable are provided. ing. As this locking device, for example, a known device used for shipping sea containers is used.

  As shown in FIGS. 1 and 2, the packing box N is equipped with a working device including a tank T for storing water and a watering device S for watering the water in the tank T to the ground. .

  In addition, a pair of left and right support legs Ca,.

  Next, a procedure for unloading the cargo box N with respect to the main frame 11 of the work vehicle 1 will be briefly described.

  First, when the cargo box N is detached from the main frame 11 of the work vehicle 1, the lock by the locking device is released and the cargo box N is separated from the vehicle body 10.

  Next, the hydraulic cylinders 21 of the horizontal detaching device 2 are extended to raise the front and rear connection beams with respect to the main frame 11.

  Thereafter, each support leg Ca is fixed in a vertical state. Then, the hydraulic cylinders 21 of the horizontal detaching device 2 are contracted to lower the front and rear connecting beams, the cargo box N is supported on the ground by the support legs Ca, and in this state, the work vehicle 1 is advanced, The cargo box N is placed on the ground or the like in a state of being separated from the vehicle body 10 in a substantially horizontal direction (see FIG. 2).

  On the other hand, when the cargo box N is mounted on the main frame 11 of the work vehicle 1, as shown in FIG. 2, each main is between the left and right support legs Ca with respect to the cargo box N supported by the respective support legs Ca. The truck 1 is moved backward so that the frame 11 (the vehicle body 10) is inserted.

  Subsequently, each hydraulic cylinder 21 of the horizontal detaching apparatus 2 is extended to raise the front and rear connection beams, and the cargo box N is raised by the front and rear connection beams instead of the support legs Ca. And after storing each support leg Ca in a horizontal state, each hydraulic cylinder 21 of the horizontal detaching device 2 is contracted to lower the front and rear connecting beams, and the packing box N is mounted on the main frame 11 substantially horizontally, The packing box N is fixed on the main frame 11 by each locking device.

  By the way, the labeling device 3 is provided in the cargo box N of the cargo box detachable work vehicle that detaches the cargo box N in the horizontal direction with respect to the vehicle body 10 in this way.

  As shown in FIGS. 3 and 4, the marking device 3 is provided with a display device 31 that is a main body of the marking device, a warning lamp 32, and a support for adjusting the position of the center of gravity of the entire apparatus while attaching the display device 31 and the warning lamp 32. It is provided with a frame 33 and is detachably mounted on a gantry 4 provided at the rear end portion of the packing box N which is the rear of the watering device S.

  In the support frame 33, a pair of left and right upper horizontal frames 34 and a pair of left and right lower horizontal frames 35 are provided in parallel in the horizontal direction with a predetermined interval in the vertical direction, and the upper horizontal frame 34 and the lower horizontal frame 35 are integrally connected by a vertical frame 36.

  Two warning lights 32 are fixed to the upper horizontal frame 34 on the right and left sides by appropriate fixing means such as bolts and nuts, and the display device 31 is fixed to the vertical frame 36 such as bolts and nuts. It is fixed by appropriate fixing means.

  Specifically, each warning lamp 32 is arranged in such a manner that it is supported on one end portion (left end portion in FIG. 3) of each upper horizontal frame 34 and a connecting frame 34a connected between one end portions of these upper horizontal frames 34. The display device 31 is disposed along the other side surface of the vertical frame 36 which is the other end side of the upper horizontal frame 34. That is, the interval between the upper and lower horizontal frames 34 and 35 is set so that the display device 31 can be disposed in the vertical frame 36. The left and right lower horizontal frames 35 are also connected by a connecting frame 35a (see FIG. 4).

  The support frame 33 configured in this manner is adjusted so that the center of gravity of the entire apparatus becomes a predetermined position by attaching the display device 31 and the warning light 32 whose weights are known in advance as described above. For this purpose, the lengths of the upper and lower horizontal frames 34 and 35, the connecting positions of the upper and lower horizontal frames 34 and 35 and the vertical frame 36 are adjusted, and weights are provided at appropriate positions as necessary.

  Further, the upper horizontal frame 34 is provided with a latch 37 through a connecting frame 34b at the other end so as to coincide with the center of gravity of the entire apparatus adjusted as described above. A hook H (see FIG. 6) of a suspension device such as a crane is hooked on 37. That is, two hooks 37 are provided, for example, at the left and right target positions so as to be positioned on the vertical plane with respect to the position of the center of gravity.

  Further, a positioning hole 35a is provided on the bottom surface of the lower horizontal frame 35 as shown in FIG. The positioning hole 35a is used for positioning the sign device 3 to the gantry 4 when the marker device 3 is attached to the gantry 4. A positioning pin 42 protruding from the mounting surface 41 of the gantry 4 can be inserted. .

  Accordingly, by placing the marking device 3 on the gantry 4 while inserting the positioning holes 35a into the positioning pins 42, the mounting holes 35b formed on the bottom surface of the lower horizontal frame 35 and the mounting surface 41 of the gantry 4 are formed. Each of the mounting holes 41a matches, and is fastened by bolts (not shown) and nuts 6 through the mounting holes 35b and 41a, so that the marking device 3 is stably mounted on the mount 4. The nut 6 is fixed in advance below the mounting hole 41a of the gantry 4 by welding.

  Further, the vertical frame 36 is also connected to an auxiliary frame N1 provided on the packing box N side in order to attach the sign device 3 more stably.

  The display device 31 has a display unit 31a having a surface facing the rear of the vehicle opposite to the back side fixed to the vertical frame 36, and a display pattern corresponding to the work situation is displayed on the display unit 31a. It is comprised so that. For example, as shown in FIG. 1, when watering work is performed by a work vehicle 1 equipped with a packing box N equipped with a watering device S, a sign corresponding to the watering work status is displayed, such as being watering work. It has become.

  The sign device 3 is connected to a power cable and a control cable (not shown) provided on the work vehicle 1 side, and the display device 31 and the warning lamp 32 are electrically connected.

  On the other hand, a gantry 7 similar to the gantry 4 described above is provided at the front end of the vehicle body 10 of the work vehicle 1 so that the marker device 3 can be attached. That is, like the gantry 4, the mounting surface of the gantry 7 is provided with positioning pins and mounting holes (not shown).

  The platform 7 is also provided on the work vehicle 1 side as described above, for example, when a snow plow is attached to the front portion of the cabin 12 of the work vehicle 1 to perform snow removal work, the load box N is usually placed on the vehicle body 10. Therefore, the sign device 3 is mounted on the gantry 7 and a sign corresponding to the snow removal work status is displayed on the display portion 31a.

  In such a case, for example, the marking device 3 of the packing box N is removed and the marking device 3 is mounted on the gantry 7. Specifically, the bolts are removed to make the marking device 3 free on the gantry 4, and the hook H of the hanging device is hooked to the hook 37 of the marking device 3. Then, the marking device 3 is suspended by this suspension device, transferred onto the gantry 7 and mounted thereon, and the marking device 3 is mounted on the gantry 7 with each bolt.

  At this time, since the signage device 3 is provided with the latch 37 corresponding to the position of the center of gravity, even if the signage device 3 is suspended by the suspension device as shown in FIG. Can be stably transferred, and can be placed on the gantry 7 in this state. Therefore, the positioning by the positioning pin and the positioning hole on the gantry 7 can be performed smoothly, and thereby the transfer operation of the marker device 3 can be performed easily, quickly and efficiently without burden. On the other hand, when the sign device 3 is transferred from the gantry 7 to the gantry 4, the work can be performed easily, quickly and efficiently without burden.

  Further, FIG. 7 shows a work vehicle equipped with another cargo box N ′.

  The packing box N ′ is equipped with a working device including a hopper H that stores a wet salt agent as an antifreezing agent, and a wet salt spray device P that sprays the wet salt agent in the hopper H onto the ground. Has been.

  And in this packing box N ′, a gantry 4 similar to the gantry 4 is provided at the rear end portion behind the wet salt spraying device P, and the marking device 3 is attached on the trestle 4 to spray the wet salt. The sign according to the work situation of the is displayed.

  In this case, the packing box N that does not perform the work and the marking device 3 provided on the work vehicle 1 side can be easily and quickly transferred to the gantry 4 of the packing box N ′ in the same manner as described above.

  As described above, since the marking device 3 can be suspended and transferred in a stable vertical state and efficiently transferred to the mounts 4 and 7, the work vehicle on which the above-described packing boxes N and N 'are detachably mounted. In this case, it is possible to perform various operations by displaying a sign corresponding to the work situation with one sign device 3 for one vehicle, and to efficiently use the sign device 3 for various work. it can.

  For example, in addition to the above-described watering work and wet salt spraying work, the signage device 3 is mounted on a gantry provided on this packing box when working at a high place by a work vehicle equipped with a packing box equipped with a lifting device. Can be used together by transferring.

  As described above, when the labeling device 3 is transferred between packing boxes on which various working devices are mounted, the labeling device 3 may be temporarily placed on the ground. In this case, the labeling device with the center of gravity adjusted. By placing the lower horizontal frame 35 on the ground on the ground, the marking device 3 can be stably placed, and can be temporarily placed in a safe state without inadvertent falls. Similarly, when the labeling device 3 is stored, it can be stored in a safe state.

  Note that the above-described embodiment is merely a preferred embodiment of the present invention, and the present invention is not limited to this, and various design changes can be made within the scope thereof.

  For example, in the present embodiment, the case where the marking device 3 is attached to the cargo box side or the vehicle side of a work vehicle on which the packaging box is detachably mounted is described, but the present invention is not limited to this, and the marking device 3 is suspended and transferred. Thus, the present invention can be applied to all detachable marking devices that are detachably mounted on a gantry.

It is a side view which shows the work vehicle carrying the packing box which attached the detachable marker apparatus of this invention. It is a side view showing a packing box in a state where it is detached from a vehicle and placed on the ground or the like. It is a side view which shows a detachable marker. It is a front view which similarly shows a detachable marker apparatus. It is a partially cutaway enlarged side view showing the arrangement state of the detachable marking device on the gantry. It is a side view which shows the state which suspended the detachable marker apparatus. It is a side view which shows the work vehicle carrying the other cargo box which attached the detachable marker apparatus of this invention. It is a side view which shows the conventional detachable marker apparatus. It is a side view which shows the state which suspended the conventional detachable marker apparatus.

Explanation of symbols

1 Work vehicle 3 Marking device (Removable marking device)
31 Display device (sign device body)
32 Warning light 33 Support frame 34 Upper horizontal frame 35 Lower horizontal frame 35a Positioning hole 36 Vertical frame 37 Hook 4 Mounting base 41 Mounting surface 42 Positioning pin 7 Mounting base

Claims (3)

In the detachable marking device that is detachably mounted on the gantry, the marking device main body, a warning light, and a support frame for attaching the marking device main body and the warning light and adjusting the center of gravity of the entire device, The support frame includes an upper horizontal frame for attaching a warning light, a lower horizontal frame fixed to the frame, and a vertical frame for connecting the upper horizontal frame and the lower horizontal frame and for attaching the sign device body. The detachable marking device according to claim 1, wherein the frame is provided with a latch for suspending by the suspending device on a vertical plane that coincides with the position of the center of gravity.   The lower horizontal frame is formed with a positioning hole for positioning to an appropriate position by being inserted into a positioning pin protruding from a mounting surface of the mounting frame when the frame is mounted on the mounting frame. 2. The detachable labeling device according to 1.   The detachable marking apparatus according to claim 1 or 2, wherein the gantry is provided on the work box side or the vehicle side of the work vehicle on which the load box is detachably mounted, or on both of them.

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