JPH07121769B2 - Unit transportation method from truck - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of transporting a unit from a truck, and in particular, it can be used when a unit transported by a truck cannot be hung by a crane and unloaded on a construction site.

[0002]

BACKGROUND ART In recent years, as a prefabricated building, a unit-type building in which a plurality of box-shaped building units, roof units, and the like are combined is used. Such a unit-type building has previously manufactured the building unit etc. in a factory,
These building units and the like are transported to the construction site by trucks and the like, and the building units and the like are combined and built there.

Conventionally, a crane truck is used to unload a building unit or the like that has been conventionally transported to a construction site by a truck or the like and install it on a foundation in a construction site. First, the building unit on the bed of a truck is lifted, the arm is rotated and moved back and forth to move the building unit right above the installation position, and then the unit is lowered and installed at a predetermined position.

[0004]

However, when a large construction machine such as a crane is used, not only a large place for installing them but also a qualified and dedicated operator is required for its operation. There was a problem of doing. Further, when using a crane or the like, an obstacle such as a telephone pole may be set up in the transportation route between the road and the construction site. In that case, since the electric wires and the like interfere with the rotation of the crane arm, there is a problem that the crane or the like cannot be used in such a place and the unit-type building cannot be built.

It is an object of the present invention to provide a unit transfer method from a truck which can transfer building units and the like from a road to a construction site without using a crane.

[0006]

Therefore, the present invention is a unit transportation method for transporting a unit such as a building unit to a construction site from a truck loaded with the unit and transported to the vicinity of the construction site. The unit on the stopped truck is pushed up from the lower side of the loading platform by the push-up means, the conveyor is installed in the gap formed between the loading platform and the unit, and then the push-up means is lowered to place the unit on the conveyor. The unit is transferred from the conveyor to the intermediate conveyor installed between the truck and the construction site, and the unit is transferred from the truck to the construction site by the intermediate conveyor.

[0007]

According to the present invention as described above, the unit carried by the truck is carried from the conveyor on the bed of the truck to the construction site via the intermediate conveyor, so that the crane is unnecessary. Further, since the unit is transported under the electric wire or the like, the unit can be transported even if there is an obstacle in the sky, and the above-mentioned object is achieved by these.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show the entire unit carrying device used in the method for carrying a unit from a truck according to the present embodiment. A unit transfer device (hereinafter, referred to as a transfer device) 1 includes a push-up means 2 that pushes up a building unit 10 on a loading platform 12 of a truck 11 from under the loading platform 12, a conveyor 3 installed on the loading platform 12, a truck 11, and a construction. It is configured to include an intermediate conveyor 4 which is provided between the site and the conveyor 3 on the loading platform 12 and conveys the building unit 10 to the construction site. It is assumed that an electric pole 37 stands between the truck 11 and the construction site, and an electric wire 38 thereof cuts off a unit transportation route between the road and the construction site.

As shown in FIG. 3, the push-up means 2 comprises a fixed block 13 attached to the lower surfaces of the four corners of the building unit 10.
Has a hydraulic cylinder 20 installed below, and a sleeve 21 that is attached to the loading platform 12 and into which the rod 20A of the cylinder 20 is slidably inserted. The sleeve 21 is attached to a through hole 12A formed in the carrier 12, and a seat 12B into which the fixed block 13 is fitted is formed at an upper portion of the through hole 12A. And sleeve 21
Is attached after the bolts (not shown) connecting and fixing the building unit 10 and the cargo bed 12 are removed and the connection and fixing of the building unit 10 and the cargo bed 12 are released. The fixed block 13 is based on the building unit 10 14
It will be removed when installed in the building and when combined with other building units.

As shown in FIG. 3, the conveyor 3 includes a lower frame 20 installed on the loading platform 12 of the truck 11 and the lower frame 20.
A large number of rollers 21 each rotatably attached to the
And a guide frame that is detachable from the lower frame 20 and is fixed to the floor beams of the building unit 10 by being separated from the lower frame 20 when installed on the lower surface of the building unit 10 and serving as a guide for the rollers 21. It is composed of 22 and. Such a conveyor 3 is formed at least longer than the width of the building unit 10, and is arranged in two rows on the loading platform 12 of the truck 11 along the transport direction of the building unit 10.

As shown in FIGS. 1 and 2, the intermediate conveyor 4 is a first conveyor 30 installed adjacent to the truck 11.
And a third conveyor 50 installed adjacent to the construction site,
It is composed of a second conveyor 40 and the like installed in the middle thereof, and these conveyors 30, 40, 50 are connected to each other by a connecting member 4 when used.
Connected with 1, 42.

The first conveyor 30 comprises a conveyor section 31 and a support base 32 for supporting and fixing the conveyor section 31. The conveyor section 31 is a guide frame for the conveyor 3.
A structure in which 22 is removed, that is, as shown in FIG. 4, a lower frame 20A having substantially the same length as the length of the support 32 and the lower frame 20A
A large number of rollers 21 each rotatably attached to the
It is composed of A etc. The guide frame 22 is adapted to move together with the unit 10 while being attached to the lower surface of the building unit 10.

As shown in FIGS. 1 and 2, the support base 32 has a substantially rectangular upper frame 33 having a size capable of loading the building unit 10.
And leg portions 34 provided at the four corners thereof to support the upper frame 33, and screw rods 35 having a base plate are screwed into each leg portion 34.
The height of the can be adjusted.

The second conveyor 40 has the same structure as the first conveyor 30. That is, it is configured to include two rows of conveyor units 31 and a support base 32. And the support 32
The height of the upper frame 33 can be adjusted by the legs 34.

The third conveyor 50 is the first and second conveyors.
It is provided with two rows of conveyor parts 31 used in 30, 40 and a unit direction changing device 5 on which the conveyor part 31 is placed. The unit direction changing device 5 has a swiveling and elevating function. Have That is, as shown in FIG. 4, the unit direction changing device 5 includes a bottom frame 53 supported by the height-adjustable legs 52, a drive mechanism 54 provided on the bottom frame 53, and a drive mechanism 54. Bottom frame across
The lift table 55 is arranged facing the 53 and can be lifted by a drive mechanism 54, and a circular turntable 57 and the like which is rotatably provided above the lift table 55 via a rotary shaft 56. ing. Where the rotation axis 56
Is connected to the drive mechanism 54, for example, the drive mechanism
It is possible to rotate 360 degrees by combining gears in 54, and
It is possible to index and position every 90 degrees.

A rolling member 58 is provided on the back surface of the turntable 57, and the rolling member 58 is adapted to smoothly roll on a guide member 59 provided on the upper circumference of the lifting table 55. Guide holes 55A are formed in the four corners of the lifting table 55, and the unit push-up rods 60 installed on the bottom frame 53 are inserted into the guide holes 55A.
The tip 60A can be inserted. The unit push-up rod 60 is composed of a hydraulic cylinder and has substantially the same structure as the push-up means 2.

Rod tip 60A of the unit push-up rod 60
Is normally lower than the upper surface of the turntable 57, and when removing the lower frame 20A and the roller 21A of the conveyor section 31 installed in the gap between the turntable 57 and the lower surface of the building unit 10, the rod tip end Extend 60A and build unit 1
0 is pushed up to form a gap between the turntable 57 and the lower surface of the building unit 10, and the conveyor section 31 is pulled out from the gap.

FIG. 5 shows the first floor building unit on the foundation 14.
10A is a 2nd floor building unit on top of 10A is a 1st floor building unit
10B shows the usage state of the conveyor 6 as a low friction sliding member used when each is installed, the foundation support tool 8 used when removing the conveyor 6 and the upper and lower floor support tool 7. It is shown. The conveyor 6 is the same as the conveyor section 31 used in the intermediate conveyor 4.

The support 8 for the foundation is, for example, a jack used when exchanging tires of an automobile or the like, and can be inserted into and removed from a recess 14A formed in the foundation 14 and the rod 8A can be reduced in size. At this time, the tip is so sized that its tip is submerged in the recess 14A.

As shown in FIGS. 6 and 7, the upper and lower support members 7
Is used between the first-floor building unit 10A and the second-floor building unit 10B, and is configured by attaching a push-up plate 71 and a fixed plate 72 to the top and bottom of the jack 70. , 72 are connected by a connecting pin 73. The push-up plate 71 and the fixed plate 72 are substantially L-shaped in a plane, and
A jack 70 is provided at the intersection of the sides. The interior angles θ of both plates 71 and 72 are formed to be approximately 90 degrees.

The push-up plate 71 has a second floor building unit with an internal angle θ.
Both ends 71A and 71B are inserted into the inside of two floor beams 16 of the second-floor building unit 10B, which are orthogonal to each other, while contacting the two inner surfaces of the pillar 15 at the four corners of the 10B, and the inner surface of the upper flange 16A. Is adapted to engage with. Also, the fixing plate 72
Has an interior angle θ abutting on the two indoor surfaces of the pillars 17 at the four corners of the first-floor building unit 10A, and both ends 72A and 72B are located inside the two ceiling beams 18 of the first-floor building unit 10A that are orthogonal to each other. It is inserted and placed on the inner surface of the lower flange 18A.

Next, a procedure for carrying the building unit 10 carried by the truck 11 to the foundation 14 of the construction site by the unit carrying device 1 having such a configuration will be described. In advance, from the predetermined position near the construction site of the road on which the building unit 10 is carried to the construction site, the first to third conveyors are provided.
A continuous intermediate conveyor 4 is arranged by connecting 30, 40 and 50, and a conveyor 6 is also arranged on the foundation 14.

When the truck 11 loaded with the building unit 10 reaches a predetermined position near the construction site, the fixed block 13
And the truck 12 are uncoupled from the truck 12 and the push-up means 2 is installed below the truck 12, and the rod 20A is attached to the truck 12
Insert the sleeve 21 into the fixed block 13 and push up the building unit 10. And the building unit 10 and the loading platform 12
In the gap generated between the two rows of conveyors 3,
In other words, it is installed by inserting it toward the foundation 14 side.

Next, when the rod 20A of the thrusting means 2 is reduced and the building unit 10 is placed on the two rows of conveyors 3,
The worker pushes the building unit 10 to transfer it onto the conveyor section 31 of the first conveyor 30, and then carries the building unit 10 onto the conveyor 6 of the foundation 14 via the second and third conveyors 40 and 50. . When the first-floor building unit 10A is placed at a predetermined position on the foundation 14, the foundation support 8 pushes up the first-floor building unit 10A, the conveyor 6 is removed, and anchor bolts are inserted into the sheath tube while positioning,
The rod 8A of the foundation support 8 is contracted, the support 8 is taken out from the recess 14A, and the first-floor building unit 10A is installed on the foundation 14.

The orientation of the building unit 10 on the truck 11 is
If the building unit 10 is mounted on the third conveyor 50 and has a different orientation from the normal orientation installed on the foundation 14, first, the turntable 57 is rotated to change its orientation by a predetermined angle, for example, 90 degrees. , In that state, it is pushed up by the push-up rod 60. If a gap occurs between the turntable 57 and the building unit 10, the conveyor section 31 excluding the guide frame 22
Change the direction of 90 degrees, lower the tip 60A of the push-up bar 60, and then transfer the unit 10 to the foundation 14.

First floor building unit 10 installed on foundation 14
When the second-floor building unit 10B is combined on top of A, when the second-floor building unit 10B is transferred to the third conveyor 50, the drive mechanism 54 causes the lifting table 55 and the turntable 57 to reach a predetermined height. To raise. At that time, a conveyor 6 is installed in advance on the upper surface of the first-floor building unit 10A, and the second-floor building unit 10B elevated to a predetermined height is transferred to the conveyor 6.

Next, the support 7 is attached to the first floor building unit 10A.
Between the second floor building unit 10B and the second floor building unit 10B, and the inner corners of the push-up plate 71 on the two indoor surfaces of the pillars 15 at the four corners of the second floor building unit 10B, and the inner corners of the fixing plate 72 at the four corners of the first floor building unit 10A. Pillar
The two ends of the fixing plate 72 are brought into contact with the two inner surfaces of the 17 and the end portions 71A and 71B of the push-up plate 71 are inserted into the inside of the two floor beams 16 of the second-floor building unit 10B which are orthogonal to each other. 72A,
72B is inserted inside the two ceiling beams 18 of the first-floor building unit 10A which are orthogonal to each other. Then, the jack 70 is operated to push up the push-up plate 71, and the both ends 71A and 71B push up the floor beam 16 of the second-floor building unit 10B to convey the conveyor between the first-floor building unit 10A and the second-floor building unit 10B. Remove 6. At that time, the guide frame 22 of the building units 10A and 10B is also removed. After that, lower the push-up plate 71 1
The second-floor building unit 10B is combined with the second-floor building unit 10A, and the support 7 is removed.

Thereafter, the building unit 10 and the like are carried into the construction site and combined by the same operation as described above to build a predetermined unit type building.

According to this embodiment as described above, the following effects can be obtained. That is, the building unit 10 transported by the truck 11 is transferred from the conveyor 3 provided on the loading platform 12 to the foundation 14 by the intermediate conveyor 4 at a predetermined position on the road, so that the building unit 10 is located on the way from the road to the construction site. , For example utility poles
Even when 37 is set up and its electric wire 38 cuts off the conveyance path of the unit 10, the unit 10 passes under the electric wire 38. Therefore, even if the electric wire 38 exists, the unit 10 can be transported without using a crane or the like.

In order to transfer the building unit 10 from the truck 11 to the intermediate conveyor 4, the building unit 10 is pushed up by the pushing-up means 2 and the loading platform 12 and the building unit 10 are pushed up.
It suffices to insert the conveyor 3 into the gap between the lower surface of the truck and the unit 10 and move the unit 10, and there is an effect that a crane or the like is not required for loading and unloading the truck 11.

Further, even if the orientation of the building unit 10 transported by the truck 11 is different from the normal orientation installed on the foundation 14, the orientation of the unit 10 is changed by the unit direction changing device 5 of the third conveyor 50. Since the unit 10 can be changed, when the unit 10 is loaded on the truck 11, it does not have to be fixed in the direction, and the transportation efficiency is improved.

Further, when the second-floor building unit 10B is placed on the first-floor building unit 10A, the unit direction changing device 5 of the third conveyor 50 raises the lifting table 55 and the turntable 57 to a predetermined height. From there, it can be transferred onto the first-floor building unit 10A, which not only eliminates the need for a crane and the like, but also has the effect that the equipment is simple and the work can be completed in a short time.

The first to third conveyors 30, 40 and 50 are
Since the height adjustable legs 34 and 52 are provided,
The height of each leg portion 34, 52 can be adjusted according to the terrain and the like so that the conveyor portion 31 can be held horizontally and the intermediate conveyor 4 as a whole is adjusted to a slightly lower inclination toward the foundation 14. You can do this, building unit 10
Can be moved easily with little effort.

The support 7 is constructed by attaching a push-up plate 71 and a fixed plate 72 to the upper and lower sides of the jack 70. At the time of use, the four corners of the building unit 10 may be pushed up, so that it is simple. The device can easily push up the second-floor building unit 10B, and the stable posture of the unit 10B can be maintained, so that the building unit 10 can be easily assembled.

Further, the jack 70 of the supporting tool 7 as described above.
Is installed at the intersection of the push-up plate 71 and the fixed plate 72, so that it does not interfere with the pillars 15 and 17, the floor beams 16 and the ceiling beams 18, and the first floor building unit 10A and the second floor building unit 10B Even if the interval is small, it can be sufficiently used.

The present invention is not limited to the above-mentioned embodiment, but includes the following modifications. That is, in the above-described embodiment, the intermediate conveyor 4 is composed of the three conveyors 30, 40, and 50 consisting of the first to third, but the number of conveyors is not limited to this, and corresponds to the distance from the road to the construction site. May be increased or decreased as appropriate.

Further, in the above-mentioned embodiment, the loading platform of the truck 11 is used.
Although the conveyors 3 installed in 12 and the conveyor section 31 of the intermediate conveyor 4 are arranged in two rows, they may be arranged in, for example, three rows according to the size of the building unit 10 and the like.

Further, although the building unit 10 is used as a unit to be transported in the above-mentioned embodiment, it may be used, for example, when transporting a roof unit or the like.

When the first-floor building unit 10A is pushed up from the foundation 14, the support 8 for foundation is used.
The support 7 used between the first-floor building unit 10A and the second-floor building unit 10B may be used.

In addition, the specific structure, shape and the like for carrying out the present invention may be other structures and the like as long as the object of the present invention can be achieved.

[0041]

As described above, according to the method of transporting a unit from a truck of the present invention, it is possible to transport from a truck to a construction site without using a crane, and at the same time, it can be transported safely and efficiently. There is.

[Brief description of drawings]

FIG. 1 is an overall view showing a unit carrying device used in a method of carrying a unit from a truck according to an embodiment of the present invention.

FIG. 2 is a plan view showing the unit transport device.

FIG. 3 is a partial cross-sectional view showing the periphery of a truck bed of the unit transport device.

FIG. 4 is a partial view showing a third conveyor section of the unit carrying device.

FIG. 5 is a diagram showing a relationship between a foundation and a first-floor building unit and between a first-floor building unit and a second-floor building unit.

FIG. 6 is a view showing a usage state of the support tool.

FIG. 7 is an overall perspective view of a support tool.

[Explanation of symbols]

 1 unit transport device 2 push-up means 3 conveyor 4 intermediate conveyor 5 unit direction changing device 7 support 10 building unit 12 loading platform 14 foundation 30 first conveyor 40 second conveyor 50 third conveyor 55 lifting table 57 turntable

Claims (1)

[Claims] 1. A unit transportation method for transporting the unit to a construction site from a truck loaded with units such as building units and transported to the vicinity of the construction site, wherein the unit on the truck stopped at a predetermined position is After pushing up from the lower side of the loading platform by the pushing-up means and installing the conveyor in the gap formed between the loading platform and the unit, the pushing-up means is lowered and the unit is placed on the conveyor, and the unit is moved from the conveyor to the truck. The method of transferring a unit from a truck is characterized in that it is transferred to an intermediate conveyor installed between the construction site and the construction site, and the intermediate conveyor conveys it to the construction site.