JP4886538B2 - Long-sized land transport equipment - Google Patents

Description

  The present invention relates to a land transportation device for a long object by a vehicle.

  2. Description of the Related Art Conventionally, as a land transportation device for a long object by a vehicle, a deformed long object mounted on the vehicle (for example, a blade of a wind turbine for wind power generation, etc., there is no uniformity in size and weight in the length direction). A device for transporting an irregularly long object is known, which includes a support base that supports one end of a long object and the other end protruding from the vehicle, and a hoisting device that causes the support base to rise and fall with respect to the vehicle. For example, see Patent Document 1.)

JP 2004-243805 A

  When the vehicle reaches a corner, the deformed long object carrying device raises a support base on which the deformed long object is mounted (the support base can stand up to, for example, about 78 °), and the loading platform. The protrusion length and turning diameter of deformed long objects from the road are reduced so that they do not come into contact with utility poles or buildings on the road, etc. As a result, the position of the center of gravity becomes high, and the running of the vehicle becomes unstable.

  For this reason, this irregularly shaped long object carrying device includes an outrigger type auxiliary wheel mechanism on both sides of the vehicle. However, when the outrigger type auxiliary wheel mechanism is provided, the structure and operation of the vehicle become complicated. There is also a problem.

  The present invention has been made to solve such a conventional problem, and the object of the present invention is to turn a corner in a stable state without uprighting a support base on which a long object is mounted. In addition, it is an object of the present invention to provide a land transport device for a long and relatively simple structure that does not require an outrigger type auxiliary wheel mechanism.

In order to solve the above-described problems, the long-sized land transportation device according to the present invention employs the following means.

That is, the invention according to claim 1 is provided with a support base that supports one end of the long object and the other end protrudes from the vehicle, and moves the support base laterally with respect to the vehicle. And a long land transport device provided in the vehicle with an interference avoidance device comprising a support table rotating device that rotates the support table in a clockwise or counterclockwise direction with respect to the vehicle ,
A base for installing the interference avoidance device in a vehicle, a support lateral movement plate provided on the base, a support rotation plate provided on the support lateral movement plate, and the support Formed by a plurality of support devices erected on the rotating plate, and a support mounting frame supported by these support devices,
The support base rotating device is erected on the support base lateral movement plate, a sprocket fitted to the upright part, a chain wound around the sprocket, and an end of the chain And a tail-up device is bridged between the support device and the support mounting frame .

The invention according to claim 2 is characterized in that the base is provided with a hydraulic device for the support table lateral movement device, the rotation device, and the tail-up device.

  As described above, the invention according to claim 1 is directed to a land transport device for a long object that includes a support base that supports one end of a long object and the other end protrudes from a vehicle. Since the vehicle is provided with an interference avoidance device comprising a support base lateral movement device that moves laterally with respect to the vehicle and a support base rotation device that rotates the support base in a clockwise or counterclockwise direction with respect to the vehicle, turn right at a corner. Or, when making a left turn, by rotating and / or moving the support base on which the long object is mounted by the interference avoidance device mounted on the vehicle to reduce the trajectory of the long object, the stable state with a low center of gravity can be obtained. You can safely turn around the corner. Moreover, since an outrigger-type auxiliary wheel mechanism is not required as in the prior art, it is possible to avoid a complicated structure and operation of the vehicle.

  According to a second aspect of the present invention, there is provided the long object transporting apparatus according to the first aspect, wherein the interference avoiding device is a base installed on the vehicle, and a support base lateral movement plate provided on the base. A support table rotation plate provided on the support table lateral movement plate, a plurality of support devices erected on the support table rotation plate, and a support table mounting frame supported by these support devices. Since it formed, rotation and / or lateral movement of a support stand can be performed smoothly.

  According to a third aspect of the present invention, in the long article transporting apparatus according to the second aspect of the present invention, since the base is provided with hydraulic devices for the support base lateral movement device, the rotation device, and the tail-up device, In addition, the support table lateral movement plate can be smoothly slid laterally, and the support table lateral movement plate can be smoothly rotated. In addition, the support base can be tailed up smoothly.

  According to a fourth aspect of the present invention, there is provided the transporting apparatus for a long object according to the second aspect, wherein the support base rotating device is erected on the support base lateral movement plate; Since the sprocket is fitted to the sprocket, the chain wound around the sprocket, and a pair of hydraulic devices that support the ends of the chain, the support base rotation plate is smoothly moved with respect to the support base lateral movement plate. Can be rotated.

  Further, as described in claim 5, since the tail-up device for raising the tail of the support base is provided in the interference avoidance device in the long-object transportation device according to claim 1 or 2, the flat part moves up to the ascending slope. Alternatively, when entering the flat part from a downward slope, the tail of the support base on which the long object is mounted is raised by the tail-up device provided in the interference avoidance device, so that the free end of the long object and the ground Interference can be avoided.

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

  As shown in FIG. 1, a support base 4 is installed on the rear trailer 2 via an interference avoidance device 3. A long object (for example, a windmill blade for wind power generation) 5 is mounted on the support 4. Reference numeral 6 denotes the center of gravity of the long object 5 and is located rearward from the center O of the interference avoidance device 3 by a distance L1.

  As shown in FIG. 2, the support base 4 has an L shape in a side view, and is formed by a base frame 7 and a support frame 8 provided at a front end of the base frame 7 at a right angle to the base frame 7. ing. As shown in FIG. 4, the support frame 8 is formed in a cross beam shape, and is provided with a gripping tool (not shown) provided on a pair of upper and lower horizontal frames 9 and a second vertical frame 11 inside the pair of left and right vertical frames 10. 3), the base end portion 5a of the long object 5 is held. In addition, by attaching a counterweight to the support frame 8, the weight of the long object can be loaded on the support frame 4 even when the support frame 4 is rotated.

  The interference avoidance device 3 is mainly composed of a support table lateral movement device 13 and a support table rotating device 14. As shown in FIG. 2, the interference avoidance device 3 includes a base 21 installed on the rear trailer 2, a lateral slide plate 22 provided on the base 21, and a rotational slide provided on the lateral slide plate 22. A plate 23, a plurality of (for example, four) support devices 24 erected on the rotation plate 23, and a support mounting frame 25 supported by these support devices 24 are provided. In this embodiment, a height adjusting jack is used as the supporting device 24. However, other than the jack, for example, a general supporting body such as a columnar body or a mold may be used.

  The support base lateral movement device 13 includes a pair of front and rear hydraulic jacks 26 that slide the support base 4 sideways. As shown in FIG. 3, each of the lateral slide hydraulic jacks 26 is attached to a pair of front and rear brackets 29 and 29 provided on the right side of the base 21, and the other end on the left side of the lateral slide plate 22. Are attached to a pair of front and rear brackets 30, 30.

  Therefore, when the rods 26a, 26a of the lateral slide hydraulic jacks 26, 26 are extended from the cylinders 26b, 26b, the lateral slide plate 22 is moved from the center O of the base 21 as shown in FIG. Slide to the left of the table 21 by a predetermined distance L2. Further, when the rods 26a, 26a of the lateral slide hydraulic jacks 26, 26 are contracted into the cylinders 26b, 26b, the lateral slide plate 22 is moved from the center O of the base 21 as shown in FIG. Slide laterally to the right of the base 21 by a predetermined distance L3.

  As shown in FIG. 2, the horizontal slide plate 22 includes a roller 31 that supports the lower surface of the top plate 21a of the base 21, and a roller 32 that supports the end surface of the top plate 21a.

  On the other hand, as shown in FIG. 3, the support rotator 14 includes a cylindrical upright portion 16 erected on the lateral slide plate 22, and a sprocket 17 fitted on the outer periphery of the upright portion 16. A chain 18 wound around the sprocket 17 and a pair of front and rear hydraulic jacks 19 that support the end of the chain 18 are formed. The pair of hydraulic jacks 19 includes a hydraulic jack 19A (hereinafter referred to as a second hydraulic jack) on the front end side of the support base and a hydraulic jack (hereinafter referred to as a third hydraulic jack) 19B on the rear end side of the support base. And each is installed on a rotating plate 23.

  Therefore, as shown in FIG. 6 (a), when the rod 19a of the third hydraulic jack 19B is extended from the cylinder 19b and at the same time the rod 19a 'of the second hydraulic jack 19A is contracted into the cylinder 19b', The plate 23 rotates clockwise by a predetermined angle θ2 (for example, 0 to 90 °) with the upright portion 16 as an axis (rotation center). 6A shows a state rotated 45 ° clockwise from the home position (horizontal axis XX), and FIG. 6B shows 90 ° clockwise from the home position (horizontal axis XX). The rotated state is shown.

  Note that when the second and third hydraulic jacks 19A and 19B are operated in reverse to the above-described operation, the rotation plate 23 is rotated in a counterclockwise direction from a fixed position (horizontal axis XX) (for example, 0 to 90 °). ) Can only be rotated.

The tail-up device 15 that rotates the tail 4a of the support base 4 is composed of a pair of left and right hydraulic jacks 28. As shown in FIG. 2, the tail-up hydraulic jack 28 is obliquely bridged between the support device 24 on the front end side of the support base and the support base mounting frame 25, and is supported by extending the rod 28a. The tail 4a of the base 4 can be rotated upward by a predetermined angle θ ₁ (for example, 5 to 6 °) (see FIG. 7). Note that the distal end of the rod 28a is located on the rear end side of the support base with respect to the support device 24 on the front end side of the support base.

  Next, as shown in FIG. 10, the case where the rear trailer 2 is connected to the towing vehicle 1 and the long object 5 is transported by land will be described.

  As shown in FIG. 8, turn left at the corner of a T-junction (T-junction where a straight road 42 wider than the road 41 is connected in a T-shape to a straight road 41 narrower than the road 41). In this case, the tow vehicle 1 makes a left turn so as to exceed the center line 43 of the wide straight road 42. At this time, as shown in FIG. 9, a length mounted on a support base (not shown) is used. The scale 5 is laterally slid in the right side of the rear trailer 2, that is, in the direction of the arrow a, and is rotated by a predetermined angle θ2 in the clockwise direction, that is, in the direction of the arrow b. For this reason, it is possible to avoid the long object 5 coming into contact with the building or tree on the narrow straight road 41 while keeping the center of gravity of the vehicle low. FIG. 8 shows an example in which the above-described interference avoidance operation is not performed.

  Further, when the climbing slope 47 is applied from the flat portion 46 of the road 45, as shown in FIG. 10, the tail 4a of the support base 4 on which the long object 5 is mounted is lifted up by a predetermined angle θ1. In this case, it is possible to avoid the rear end 5a of the long object 5 from coming into contact with the flat portion 46 even when the towing vehicle 1 and the rear trailer 2 are applied to the climbing gradient 47 from the flat portion 46. Further, when the towing vehicle 1 and the rear trailer 2 are hung from the down slope to the flat portion, the tail 4a of the support base 4 on which the long object 5 is mounted is lifted upward by a predetermined angle θ1, thereby It is possible to avoid the rear end 5a from coming into contact with the downward slope.

It is a side view of the transportation device of a long thing concerning the present invention. It is a principal part expanded side view of the transport apparatus of the elongate thing which concerns on this invention. It is AA sectional drawing of FIG. It is a front view of a support stand. (A) State explanatory diagram in which the lateral slide plate is located at the reference position, (b) State explanatory diagram in which the lateral slide plate is laterally slid to the left side of the base, (c) The lateral slide plate is on the right side of the base It is state explanatory drawing which carried out the horizontal slide. (A) State explanatory drawing which rotated 45 degrees clockwise from the reference position, (b) State explanatory drawing which rotated 90 degrees clockwise from the reference position. It is explanatory drawing which shows the state which rotated the tail of the support stand only (theta) 1. It is explanatory drawing in the case of turning left at a T-junction. It is explanatory drawing which shows the sliding direction of a long thing in the case of turning left at a T-junction. It is explanatory drawing in the case of applying to a climbing gradient from a flat part.

Explanation of symbols

2 Vehicle 3 Interference Avoidance Device 4 Support Stand 13 Support Stand Lateral Moving Device 14 Support Stand Rotating Device

Claims (2)

A support base lateral movement device is provided that supports one end of the long object and the other end protrudes from the vehicle, and moves the support base laterally with respect to the vehicle. In a long land transportation device provided with an interference avoidance device consisting of a support table rotating device that rotates counterclockwise or counterclockwise in the vehicle ,
A base for installing the interference avoidance device in a vehicle, a support lateral movement plate provided on the base, a support rotation plate provided on the support lateral movement plate, and the support Formed by a plurality of support devices erected on the rotating plate, and a support mounting frame supported by these support devices,
The support base rotating device is erected on the support base lateral movement plate, a sprocket fitted to the upright part, a chain wound around the sprocket, and an end of the chain A land transportation device for a long object, which is formed by a pair of hydraulic devices for supporting a portion, and a tail-up device is bridged between the support device and the support mounting frame . 2. The long land transportation device according to claim 1, wherein the base is provided with a hydraulic device for a support table lateral movement device, a rotation device, and a tail-up device.

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