JPH0930786A - Heavy object carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To travel upon mounting a heavy object at a narrow spot such as a building interior and a tunnel, etc., where upsides are closed by making a table being situated on top of a car body and mountable with the heavy object, go up and down, rotate and swivel. SOLUTION: A table 13 of a heavy object carrying device is able to go up and down in the vertical direction by a lifting means being stored in a car body. In addition, this table 13 is freely turnable by a turning means housed in the body 11. Therefore, its traveling and turning are made possible to be done in three-dimensional directions in keeping a heavy work mounted on top of this table 13 intact and, what is more, both length and height directions of the heavy work are adjustable. With this table constituted likethis, even under such a condition that the heavy work cannot be carried by a crane as a cable and a structure have been already set up upwards, this heavy work is freely carriable on a horizontal ground surface and a floor face.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heavy load carrying device capable of moving a heavy load such as a steel frame, a beam member, a mechanical device, and an air conditioner, lifting it to a required height, and swinging it horizontally. Regarding

[0002]

2. Description of the Related Art At a construction site or a construction site, a work for horizontally moving a steel frame or a beam having a weight of several hundreds of kilograms to several tons has often occurred. In addition, in factories and facilities, it was often necessary to move the mechanical devices and air conditioners assembled together in the horizontal direction in order to install them in the house. When moving such a heavy object at a construction site, construction site, factory or facility, if there is no obstacle above the place to be moved, usually install it from the bed of a truck that is hung by a crane and transported. I was moving to the place. In this suspension method, the work can be advanced by slinging it on a heavy object, the work is simplified, and the work can be performed quickly.

However, depending on the work site, it was often the case that the crane could not be used to move the suspension. For example, if a wire is stretched above the work site, or a part of the building is already assembled, and the crane wire makes contact with the wire, making it impossible to suspend heavy objects. is there. Recently, a jack-up method has been developed in which the upper floors of a building are assembled near the surface of the earth and each floor is sequentially jacked up. In such a construction method, the upper floors have already been assembled, and the beams and columns of the lower floors must be moved in the lower space of the assembled upper floor building. Therefore, with such new construction methods, it is becoming impossible to suspend and move beams and columns with a crane.

As described above, when it is not possible to move a heavy object by suspending it with a crane, conventionally, the heavy object is moved horizontally using a roller on the lower surface. Such a moving means using rollers has a feature that even a relatively heavy material can be surely moved to a target place. However, it takes time and effort to install a large number of rollers, and the work time for transfer becomes long, resulting in poor work efficiency.

Therefore, a method has been proposed in which a heavy object is mounted on a dolly and the heavy object is moved together with the dolly. According to this method, a heavy load can be loaded on a truck from a truck bed by a crane, and the truck can be self-propelled by its built-in drive source, thereby exhibiting mobility. According to this method, since the height of the trolley is low, it can be moved under the beams and roof of the already constructed structure, and the drawback of the movement of suspension by the crane can be eliminated. .

However, in moving a heavy load using this trolley, even if the heavy load can be quickly moved from a truck bed or a material storage area to a desired place, the heavy load can be positioned or positioned. , Could not be lifted to the required height. For this reason, if a heavy load is transported to the destination, it must be finely adjusted using a jack or the like in the alignment of the length direction and the height direction. For example, when installing a beam between columns, in order to adjust the length of the beam, it is necessary to rotate it horizontally and then raise it to the height position where the beam is fixed. It was Such work can be easily performed by using a crane, but it is difficult on a trolley.

For this reason, even if there is an obstacle such as an electric wire or a building above and it is not possible to suspend the work with a crane, it is not possible to carry in beams and columns at a construction site or a construction site. It has been desired to develop a transportation means capable of transporting heavy objects for assembly. In addition, when carrying in this heavy object, if it is a transportation means that also has the function of turning in the horizontal direction and lifting up so that the position of the heavy object can be easily aligned, the work of assembling and installing is efficient. The development of such means has been awaited.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above demands, and places a heavy object in a narrow space such as inside a building or a tunnel where the upper side is closed and moves the heavy object. In addition, the present invention provides a heavy load carrying device capable of finely adjusting the height and direction of the heavy load.

[Means for Solving the Problems]

According to the present invention, a movable vehicle body, a table above which the heavy object can be mounted, a lifting means which is interposed between the vehicle body and can lift the table up and down, the vehicle body and the table. A heavy article comprising interlocking means interposed between the two and expanding and contracting with the lifting means to rotate with the table, and rotating means provided on the vehicle body for rotating the table by rotating the interlocking means. A carrier device is provided.

Further, the lifting means according to the present invention provides a heavy load carrying device characterized in that the lower part is fixed to the vehicle body and is a hydraulic cylinder in which a cylinder rod is vertically raised. (Claim 2)

Further, the interlocking means in the present invention provides a heavy object transporting device characterized in that it is a telescopic mechanism having a telescopic shape by inserting a plurality of cylindrical masts in the longitudinal direction thereof. Is. (Claim 3)

Further, the rotating means in the present invention is a hydraulic motor fixed to the vehicle body, a small gear rotated by the hydraulic motor, and an outer circumference fixed to the outer circumference of the mast below the interlocking means driven by the small gear. The present invention provides a heavy object transporting device characterized by comprising an outer ring body having a tooth surface formed on the inner surface thereof. (Claim 4)

Further, according to the present invention, there is provided a movable vehicle body, a table which is located above the vehicle body and on which a heavy object can be mounted, a hydraulic cylinder which is interposed between the vehicle body and can move the table up and down, and a vehicle body. , And a swivel bearing which can be swiveled in the horizontal direction with its axis aligned with the axis of the hydraulic cylinder, and is configured to telescopically expand and contract by a plurality of masts.
A rotary drive mechanism consisting of a telescopic mechanism in which the mast with the largest diameter is placed on the slewing bearing and the mast with the smallest diameter is fixed to the underside of the table, and a hydraulic motor fixed to the vehicle body that slews the slewing bearing together with the telescopic mechanism. The present invention provides a heavy object transporting device comprising: (Claim 5)

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show the appearance of the heavy load carrying device according to the present embodiment, FIG. 1 shows a state in which the table is lowered to the lowest position, and FIG. It is a perspective view showing the state where it was made to turn in the direction.

A vehicle body 1 accommodating an engine, a hydraulic pressure generation source, etc.
Reference numeral 1 denotes a rectangular parallelepiped having a thin upper and lower thickness. Wheels 18, 18 are axially supported on the left, right, front and rear of the vehicle body 11, and a crawler 12, a wheel is provided between the wheels 18, 18, respectively. 12 is wound. Therefore, a pair of crawlers 12 and 12 are arranged on the left and right of the vehicle body 11 so as to be parallel to each other.
When the vehicle body 2 operates, the vehicle body 11 can move horizontally on the ground or floor. And both wheels 18, 1
On the outer side of 8, there is provided an axle body 14 for supporting the axles of the wheels 18, 18 from the outside. This axle body 1
4 is located outside the wheels 18, 18
It is fixed to 1 and has a horizontally elongated shape. At the front and rear sides of the axle body 14, front and rear portions of the axle body 14 are L-shaped upwards.
5 and 15 are fixed to each other, and a slender wood flap angle 16 having a square cross section is detachably provided between the flap support portions 15 and 15. The flap corner supports 15 and 15 store the flap corner 16 when a heavy object is not loaded.

A flat table 13 for mounting heavy objects is placed above the vehicle body 11.
The table 13 has a rectangular planar shape and a thin thickness, and fixing tools 17 are rotatably connected to the front and rear of the long side of the table 13 by pins (the fixing tool 17 is A total of four are provided on the left and right of the table 13.). Each fixing tool 17 is rotatably connected to the side surface of the table 13 from a horizontal direction to a vertical direction with a pin, and a straight line connecting the pair of fixing tools 17 facing each other on the table 13 is parallel to the short side of the table 13. It is arranged so that As shown by the chain line in FIGS. 1 and 2, both ends of the flap angle 16 can be supported between the pair of facing fixtures 17. That is, each fixture 17 has a U-shaped cross section, and the open U-shaped spaces are opposed to each other, and the respective ends of the flap angle 16 are inserted into the U-shaped spaces. Can be fixed.

Next, FIG. 2 shows a state in which the table 13 of the heavy load carrying device in this embodiment is operated. The table 13 can be raised and lowered in the vertical direction by the raising and lowering means housed inside the vehicle body 11, and is raised in the A direction in FIG. Further, the table 13 can be freely turned in the horizontal direction by the turning means housed inside the vehicle body 11, and is turned in the B direction in FIG. Therefore, it is possible to move and swivel in the three-dimensional directions of the A direction and the B direction while the heavy object is mounted on the upper surface of the table 13, and the length direction and the height direction of the heavy object can be adjusted. . Further, the vehicle body 11 has a fixture 17 connected to the side surface of the long side by a pin, and each fixture 17 can be tilted in the direction C in FIG. 2, and when it is not necessary to use the flap angle 16, The fixture 17 can be laid down so that it is parallel to the surface of the table 13. When the opposing fixtures 17 are vertically erected, the respective ends of the flap angle 16 can be fitted and fixed in the U-shaped spaces of the respective fixtures 17. The flap angles 16 can be arranged in parallel with each other in the front and rear of the upper surface of the table 13 and at intervals, and by mounting the lower surface of the heavy object on these flap angles 16, the heavy object and the table 13 are placed.
You can make the sleeper work without damaging the. Further, when mounting a heavy object having a size larger than the size of the table 13 or a soft object, the fixture 17 can be tilted and the heavy object can be directly mounted on the table 13.

Next, FIG. 3 is a side sectional view showing a state in which the above-described heavy load carrying device is cut in the longitudinal direction along the longitudinal central axis. Further, FIG. 4 is a transverse cross-sectional view showing a state in which the heavy load carrying device is cut along the horizontal central axis. In FIG. 4, the internal structure of the telescopic mechanism 50 for raising and lowering the table 13 is shown in detail.

The above-mentioned vehicle body 11 is formed with vertical frames 21 on both side surfaces thereof, and upper horizontal frames 22 are fixed so as to connect the upper parts of the left and right vertical frames 21, and the lower parts of the left and right vertical frames 21 are fixed. Lower horizontal frame 2 to connect
3 is stuck. The vertical frame 21, the upper horizontal frame 22, and the lower horizontal frame 23 form the vehicle body 11 with a monocoque structure. Each vertical frame 21, the upper horizontal frame 22, and the lower horizontal frame 23, which are the skeleton of the vehicle body 11.
Are made of square pipes each having a square cross section, and are formed by welding the square pipes.

On the upper surfaces of the vertical frame 21 and the upper horizontal frame 22, that is, the upper surface of the vehicle body 11, the length of the vehicle body 11,
An upper plate 24 having a flat plate shape that matches the width is fixed,
The upper plate 24 closes the upper surface of the vehicle body 11. In the center of the upper plate 24, a slightly larger actuating hole 27 is vertically opened. A bottom plate 25 formed of a steel plate is fixed to the lower surfaces of the vertical frame 21 and the lower horizontal frame 23 by welding. Further, FIG.
As shown in, side plates 26 made of thin steel plates are fixed to the side faces of the left and right vertical frames 21 by welding or the like. The length and width of the side plate 26 are set to be substantially the same as the shape of the vertical frame 21, and the outer sides of the left and right vertical frames 21 are closed by the side plate 26. In this way, the top plate 24 and the bottom plate 2
5, the vertical frame 2 that constitutes the vehicle body 11 by the side plate 26
1, the upper and lower peripheries of the upper horizontal frame 22 and the lower horizontal frame 23 are closed by an upper plate 24, a bottom plate 25, and side plates 26,
The inside of the vehicle body 11 is protected so as to prevent dust and dirt from entering the inside thereof.

At the center of the bottom plate 25 is a hydraulic cylinder 5
The lower surface of 6 is fixed, and the axis of the hydraulic cylinder 56 is fixed vertically. This hydraulic cylinder 5
The first rod 57 and the second rod 58 can extend in two stages from the upper end opening of 6, and the first rod 57 and the second rod 58 are positioned at the center of the opening of the actuating hole 27. A telescopic mechanism 50 that can be expanded and contracted in the vertical direction is housed in the operation hole 27 that is opened in the center of the vehicle body 11. The telescopic mechanism 50 has a first mast 51 on the outer side thereof, and the inside of the first mast 51. The second mast 52 is housed in the space, and the third mast 53 is housed in the inner space of the second mast 52. These first mast 5
Each of the first, second mast 52, and third mast 53 has a thin-walled cylindrical shape, and is assembled by a three-step telescopic cylindrical structure so as to be slidable in the axial direction. The outer ring body 32 is fixed to the outer periphery of the upper end of the first mast 51 as shown in FIG.
2 is held so that it can turn horizontally with respect to the vehicle body 11. The outer ring body 32 and the first mast 51
The mechanism for holding the so as to turn will be described with reference to FIG.

Next, the internal structure of the telescopic mechanism 50 and the structure of the slewing bearing 34 will be described with reference to FIG. The surface of the vehicle body 11 described above is covered with a flat upper plate 24, and an operating hole 27 is opened in the center of the upper plate 24. The central axis of the operating hole 27 is aligned with the axis line to form a ring shape. The inner ring body 31 having the shape is fixed. The inner peripheral surface of the inner ring body 31 is aligned with the inner peripheral surface of the actuating hole 27, and a bearing groove is cut and formed on the outer periphery thereof so as to make one round horizontally. An outer ring body 32 having a ring shape is fitted around the outer circumference of the inner ring body 31.
The inner diameter of 2 is formed to be slightly larger than the outer diameter of the inner ring body 31, and a bearing groove is formed in the inner peripheral surface of the outer ring body 32 so as to make one round horizontally. A plurality of bearings 33 are inserted between the inner ring body 31 and the outer ring body 32 so as to fit in the bearing grooves. Since the outer ring body 32 is held by the inner ring body 31 with the bearing 33 interposed, the outer ring body 32 can smoothly rotate around the inner ring body 31 in the horizontal direction.

A disk-shaped support plate 35 having an opening formed in the center is placed and fixed on the upper surface of the outer ring body 32, and the lower surface of the support plate 35 has a cylindrical first mast. The upper end of 51 is fixed, and the central axis of the outer ring body 32 and the central axis of the first mast 51 are aligned. The first mast 51 is formed of a thin steel plate in a cylindrical shape, and the second mast 52 having a cylindrical shape is inserted inside the first mast 51. The second mast 52 is formed of a thin steel plate in a cylindrical shape, and the outer diameter of the second mast 52 is set to be slightly smaller than the inner diameter of the first mast 51. It is inserted so as to be vertically slidable inside the one mast 51. Furthermore, a cylindrical third mast 53 is inserted inside the second mast 52. The third mast 53 is formed by forming a thin steel plate into a cylindrical shape, and the outer diameter of the third mast 53 is set to be slightly smaller than the inner diameter of the second mast 52. It is inserted so as to be vertically slidable inside the 2 mast 52. The above-described configuration of the first mast 51, the second mast 52, and the third mast 53 forms the telescopic mechanism 50 that can be vertically expanded and contracted in three stages. In addition, the hydraulic cylinder 5 fixed on the upper surface of the bottom plate 25
The axis of 6 is aligned with the axis of the third mast 53 described above.

Next, the above-mentioned table 13 has a skeleton in which a vertical frame 41 horizontally arranged in a vertical direction and a horizontal frame 42 horizontally arranged in a horizontal direction are combined in a ladder shape. Each of the vertical frame 41 and the horizontal frame 42 is made of square pipe having a square cross section, and is formed by welding the square pipe. A surface plate 43 made of a thin steel plate is fixed to the upper surface of the ladder-shaped skeleton formed by the vertical frame 41 and the horizontal frame 42 so as to cover the entire area thereof.
The upper surface of 3 is formed flat. Among the vertical frame 41 and the horizontal frame 42, which are the skeletons, between the pair of vertical frames 41, 41 at the center (see FIG. 4) and between the pair of horizontal frames 42 at the center (see FIG. 3). See 9
A force plate 44 having a rectangular parallelepiped shape is inserted into the force plate 4.
The periphery of 4 is fixed to the adjacent vertical frame 41 and horizontal frame 42 by welding or the like. The upper surface of the force plate 44 is in close contact with the lower surface of the surface plate 43.
It can support the entire load of No. 3.

Then, in the center of the lower surface of the force plate 44,
The second which expands and contracts from the upper opening of the hydraulic cylinder 56 described above.
The upper end of the rod 58 is connected. The upper end of the third mast 53 of the telescopic mechanism 50 is connected to the lower surface of the force plate 44, and the central axis of the third mast 53 is the second rod 58.
It is aligned with the central axis of.

As shown in FIG. 4, a fixing member 17 is provided on the side surface of the vertical frame 41 forming the table 13 with a pin 4 attached thereto.
It is rotatably connected by 5.

Next, FIG. 5 is a perspective view showing the above-mentioned telescopic mechanism 50 and the hydraulic cylinder 56, in which the respective members are vertically separated.

At the center of the upper plate 24 that covers the upper surface of the vehicle body 11, a slightly large actuating hole 27 is vertically penetrated and opened.
A ring-shaped inner ring body 31 is placed and fixed on the upper surface of the upper plate 24, and is arranged so that the inner circumference of the operating hole 27 and the inner circumference of the inner ring body 31 coincide with each other. The inner ring body 31 has a strip-shaped bearing groove formed by cutting around the outer circumference thereof, and a plurality of bearings 33 can be fitted into the bearing groove. Furthermore, the upper plate 2
4, a hydraulic motor 61 is fixed to the lower surface of the inner ring body 31 at a position close to the side surface thereof.
The output shaft 62 of No. 1 is vertically projected from the lower surface of the upper plate 24 toward the upper surface, and a small gear 63 having a slightly smaller diameter and a tooth surface formed on the outer periphery thereof is fitted in the upper portion of the output shaft 62. Is. On the outer circumference of the inner ring body 31, a ring-shaped outer ring body 32 is rotatably combined in the horizontal direction, and on the outer circumference of the outer ring body 32, the small gear 63 is provided.
It forms a tooth surface that meshes with.

On the upper surface of the outer ring body 32, a disc-shaped support plate 35 having a large opening formed in the center thereof is in close contact, and the central axis of the outer ring body 32 and the opening of the support plate 35. They are fixed so that their central axes coincide with each other. Although hidden by the support plate 35 in FIG. 5 (shown in FIG. 4), the upper portion of the cylindrical first mast 51 is inserted from below the opening of the outer ring body 32 to form the lower surface of the support plate 35. The upper end of the first mast 51 is closely attached and fixed. With this configuration, the outer ring body 32, the support plate 35, and the first mast 5
1 is assembled as one. A cylindrical second mast 52 is vertically slidably inserted through the central opening of the support plate 35 and the inner space of the first mast 51, and the inner space of the second mast 52 has a cylindrical shape. The third mast 53 is vertically slidably inserted. The first mast 51, the second mast 52, and the third mast 53 form a telescopic mechanism 50.

In this way, the outer ring body 32 is horizontally rotatably held by the inner ring body 31 with the bearing 33 interposed therebetween, and the support plate 35,
Since the first mast 51, the second mast 52, and the third mast 53 are held, the support plate 3 together with the outer ring body 32 is held.
5, first mast 51, second mast 52, third mast 53
Can rotate in the same direction at the same time. Then, in a state where the outer ring body 32 is fitted and held by the inner ring body 31, the tooth surface formed on the outer periphery of the outer ring body 32 meshes with the tooth surface of the small gear 63, and the rotation of the small gear 63 Thus, the outer ring body 32 is driven. And
The hydraulic cylinder 56 placed on the bottom plate 25 is erected vertically, and the first rod 57 and the second rod 58 which extend and contract from the upper end opening of the hydraulic cylinder 56 are placed in the internal space of the third mast 53 described above. It is inserted, and the axis of the first rod 57 and the axis of the third mast 53 are aligned.

Further, FIG. 6 shows the above-mentioned telescopic mechanism 50.
It is sectional drawing which shows the state which cut | disconnected the 1st mast 51, the 2nd mast 52, and the 3rd mast 53 which comprise this, and shows the shape of each 1st mast 51, the 2nd mast 52, and the 3rd mast 53. Is.

The above-mentioned first mast 51 has a cylindrical shape as a whole, and the outer circumference thereof has a smooth circumferential shape.
On the inner peripheral surface thereof, thin recessed grooves 66 and protruding ridges 67 protruding inward are alternately arranged. The groove 66 and the ridge 67 are arranged at equal intervals on the inner circumference of the first mast 51, and are linear in the length direction of the first mast 51 (the direction perpendicular to the paper surface in FIG. 6). It is formed so that The second mast 52 has a cylindrical shape as a whole, and on the outer side thereof, a thin groove 68 and a ridge 69 projecting outward are alternately arranged. The number of the groove 68 and the protrusion 69 is the same as that of the first
The number of the concave grooves 66 and the ridges 67 of the mast 51 is made equal to each other, and the respective concave grooves 68 and the ridges 69 are linear in the length direction of the second mast 52 (direction perpendicular to the paper surface in FIG. 6). Is formed. Further, inside the second mast 52, concave grooves 70 having a thin wall and projecting ridges 71 projecting outward are alternately arranged, and each concave groove 70 and the ridge 71 are formed in the second mast 52.
The mast 52 is formed so as to be linear in the length direction (direction perpendicular to the paper surface in FIG. 6). And the third mast 5
3 has a cylindrical shape as a whole, and the inner circumference thereof is a smooth circumferential shape, but the outer peripheral surface thereof has a thin groove 72.
And ridges 73 projecting outward are formed alternately. The number of these recessed grooves 72 and the protrusions 73 is made to match the number of the recessed grooves 70 and the protrusions 71 of the second mast 52 described above, and each of the recesses 72 and the protrusions 73 is the length of the third mast 53. It is formed so as to be linear in the vertical direction (the direction perpendicular to the paper surface in FIG. 6).

Each first mast 51, second mast 52, third
Since the mast 53 is formed in such a shape, the first
The second mast 52 is inserted through the mast 51, and the second mast 52 is inserted.
When the third mast 53 is inserted into the concave groove 66, the protrusion 69 fits into the groove 66, and the protrusion 67 fits into the groove 68.
The protrusion 73 fits into the groove 0, and the protrusion 71 fits into the groove 72. In this way, the grooves 66, 68, 7
0, 72 and ridges 67, 69, 71, 73 are alternately fitted, and each groove 66, 68, 70, 72 and ridge 6
Since each of the first mast 51, the second mast 52, and the third mast 53 is formed in a straight line shape, each of 7, 69, 71, and 73 has a structure similar to a spline. Therefore, the second mast 52 can slide in the length direction with respect to the first mast 51, and the third mast 53 can slide in the length direction with respect to the second mast 52. Each first mast 51,
The second mast 52 and the third mast 53 are restricted from freely rotating in the circumferential direction, and the first mast 51, the second mast 52, and the third mast 53 can rotate integrally. Has become.

Then, as described above, the first mast 51 and the second mast
The telescopic mechanism 50 is a central space of the telescopic mechanism 50 configured by combining the mast 52 and the third mast 53.
A hydraulic cylinder 56 is located at the same axis as the 0 axis.

Next, the operation of this embodiment will be described.

FIG. 1 shows a state in which the table 13 of the heavy load carrying device is lowered to the lowermost position, and the length direction of the vehicle body 11 and the length direction of the table 13 are aligned with each other. This state is the normal posture for carrying heavy goods by the heavy goods carrier. Then, the respective fixing members 17 provided on the left and right front and rear of the table 13 are erected vertically, and the both ends of the flap angle 16 are fitted into the U-shaped spaces of the pair of facing fixing members 17, respectively. A flap angle 16 is set on the table 13. In this way, two flap angles 16 are placed in front of and behind the upper surface of the table 13 so as to be in parallel with each other. This flap angle 16 is made of hard wood.
For example, a beam or a steel plate can be placed on the upper surface of 6 to prevent the beam or the steel plate from directly contacting the table 13 and prevent the beam or the steel plate and the table 13 from being damaged. There is. In addition, when the flap angle 16 is not used or when a heavy object is placed on the upper surface of the table 13 as it is, the flap angle 16 can be spanned between the flap corner supports 15 and stored.

In the state shown in FIG. 1, a heavy object is placed on the upper surface of the flap angle 16, and then the pressure oil is generated by operating the engine in the vehicle body 11 to cause the crawlers 12 on the left and right of the vehicle body 11. By driving, the entire heavy load carrying device can be moved along the ground. The operation of moving or changing the direction of the vehicle body 11 by the crawler 12, 12 provided on the left and right can be performed by a conventionally known operation. The operation of the crawler 12 is controlled by a control device (not shown).

By driving the crawler 12 in this way, the vehicle body 11 can be moved to a predetermined position, and the heavy object mounted on the upper surface of the table 13 through the flap angle 16 can be moved to a place where the heavy object is needed. It can be moved. Next, in order to install the heavy object moved to the required place in the predetermined position, adjust the height position,
It is necessary to align the positions in the length direction. In this case, pressure oil is supplied to the hydraulic cylinder 56 by a hydraulic pressure generation source (not shown) housed inside the vehicle body 11, and the first rod 57 and the second rod 58 are directed upward from the upper opening of the hydraulic cylinder 56. Push it out. When the first rod 57 and the second rod 58 are pushed out, the second rod 5
The force plate 44 connected to the upper end of 8 is lifted upward, and by lifting the force plate 44, the entire table 13 is lifted upward, and the heavy object is lifted to the required height position. As the table 13 rises, the third mast 53 fixed to the lower surface of the table 13 is pulled up, and the third mast 53 is pulled out while sliding on the second mast 52. Further, when the second mast 52 is pulled upward, the second mast 52 moves to the first
It is pulled up while sliding on the mast 51. Thus
The second mast 52 and the third mast 53 constituting the telescopic mechanism 50 assembled in a telescopic shape are pulled out from the first mast 51 according to the length direction thereof, and form a cylindrical structure on the lower surface of the table 13. It will be.

As described above, when the telescopic mechanism 50 as a whole expands vertically by following the pulling force of the first rod 57 and the second rod 58, the third mast 53 to the second mast 5
2 and the first mast 51 will be pulled up at the same time. At this time, the groove 66 and the ridge 69, the groove 68 and the ridge 6
7, the concave groove 70 and the protrusion 73, and the concave groove 72 and the protrusion 71 are combined in the length direction, so that the second mast 52 and the third mast 53 have the first action by the same action as the spline groove.
No resistance is generated in the operation of pulling out from the mast 51. The state in which the first rod 57 and the second rod 58 are extended and the table 13 is lifted by supplying the pressure oil to the hydraulic cylinder 56 in this manner is shown by a chain line in FIGS. 3 and 4.

Further, it may be necessary to adjust the length direction of the heavy object mounted on the table 13 via the flap angle 16 while the heavy object is being lifted. In this case, the entire table 13 can be swung horizontally, and the heavy object can be swung horizontally as indicated by B in FIG. By rotating the table 13 horizontally, as indicated by B in FIG. 2, the axial direction of the heavy object can be aligned with the installation direction.

For this turning operation, pressure oil is supplied to the hydraulic motor 61 from the pressure source housed inside the vehicle body 11 and the output shaft 62 is rotated. The rotation of the output shaft 62 is transmitted to the small gear 63, and when the small gear 63 rotates, the outer ring body 32 meshed with the outer periphery of the small gear 63 is driven,
The outer ring body 32 rotates horizontally on the outer circumference of the inner ring body 31. This outer ring body 32 is the inner ring body 3
When rotating around 1, the outer ring body 32 is smoothly rotated because the bearing 33 is interposed in the middle. With the rotation of the outer ring body 32, the support plate 35 and the first mast 51 also rotate together as a unit. Then, since the concave groove 66 and the protrusion 67 formed on the inner circumference of the first mast 51 are fitted with the concave groove 68 and the protrusion 69 formed on the outer circumference of the second mast 52, respectively. The side surface of 66 contacts the side surface of the ridge 69, and the first mast 51
Is transmitted to the second mast 52, and the second mast 52 is driven to rotate in the same direction. Further, when the second mast 52 is driven and rotated, the concave groove 70 formed on the inner periphery of the second mast 52 and the protrusion 71 are protruded from the concave groove 72 formed on the outer periphery of the third mast 53. Since the ridges 73 are fitted together, the side surface of the ridge 71 comes into contact with the side surface of the ridge 73,
The rotation of the second mast 52 is transmitted to the third mast 53, and the third mast 53 is rotated by following the same direction.

The concave grooves 66, 68, 70, 72 and the ridges 67, 69, 71, which are formed in the spline shape in this way,
The meshing of 73 causes the first mast 51, the second mast 52, and the third mast 53 to rotate simultaneously in the same direction. As a result, the force plate 44 fixed to the upper end of the third mast 53 is simultaneously rotated in accordance with the rotation of the outer ring body 32, and the entire table 13 fixing the force plate 44 is the same in the horizontal direction. It will be rotated at an angle. Although the upper end of the second rod 58 is fixed to the force plate 44, the second rod 58 and the first rod 5 are
7, and the combination of the first rod 57 and the hydraulic cylinder 56, each of which is a cylindrical combination, can be freely rotated in the circumferential direction. For this reason,
Even if the third mast 53 rotates as the force plate 44 rotates,
Each of the first rod 57 and the second rod 58 can freely rotate in the circumferential direction, and does not prevent the table 13 from rotating.

In this way, the upper surface of the table 13 is moved by moving the vehicle body 11 to a predetermined place, lifting the table 13 in the direction A in FIG. 2, and turning the table 13 in the direction B in FIG. It is possible to freely adjust the height and horizontal angle of the heavy object placed on the. If you can control this heavy object in three dimensions and make fine adjustments,
When installing a heavy object at a construction site, for example, when fixing a beam to a vertical pillar or when fixing an air conditioner or the like to a ceiling, the work of transporting and installing the heavy object can be performed at the same time.

[0044]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, even under the condition that electric wires and structures are already installed above and cannot be carried by a crane, heavy objects can be carried on a level ground or floor surface. Can be carried freely. In addition, in this transportation, it is possible to move it directly from the loading platform of the truck or the material storage place without using rollers, etc., and since the transportation can be mechanized without relying on human power, the work can be performed quickly. . Therefore, even when a heavy object is transported inside a tunnel or a building where roofs and beams are already completed, no trouble occurs.

Further, since the table on which the heavy object is placed can be lifted up and down and can be swung horizontally in the lifted state, the position adjustment and the height adjustment at the time of installing the heavy object are simultaneously performed. It is possible to carry heavy objects and install them at the same time.
The speed of work can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a table of a heavy load carrying device according to an embodiment of the present invention is at a lowermost position.

FIG. 2 is a perspective view showing a state where the table of the heavy load carrying device according to the embodiment of the present invention is operated.

FIG. 3 is a side cross-sectional view showing a state in which the heavy load carrying device according to the embodiment of the present invention is cut at the center in the vertical direction.

FIG. 4 is a horizontal cross-sectional view showing a state in which the heavy load carrying device according to the embodiment of the present invention is cut at the center in the horizontal direction.

FIG. 5 is an exploded perspective view showing a mechanism for raising and rotating a heavy load carrying device according to an embodiment of the present invention.

FIG. 6 is a cross-sectional view showing the configuration of the telescopic mechanism in the heavy load carrying device according to an embodiment of the present invention. 11 vehicle body 12 crawler 13 table 25 bottom plate 31 inner ring body 32 outer ring body 34 revolving bearing 44 force plate 50 telescoping mechanism 51 first mast 52 second mast 53 third mast 56 hydraulic cylinder 57 first rod 58 second rod 61 hydraulic Motor 63 small gear

Claims (5)

[Claims] 1. A movable vehicle body, a table above which the heavy object can be mounted, a lifting means which is interposed between the vehicle body and can move the table up and down, and between the vehicle body and the table. A heavy load carrying device comprising interlocking means intervening in the vehicle and expanding / contracting with the lifting means to rotate with the table, and rotating means provided on the vehicle body to rotate the table by rotating the interlocking means. . 2. The heavy load carrying device according to claim 1, wherein the lifting means is a hydraulic cylinder whose lower portion is fixed to a vehicle body and a cylinder rod is vertically raised. 3. The heavy load carrying device according to claim 1, wherein the interlocking means is a telescopic mechanism having a telescopic shape in which a plurality of cylindrical masts are inserted in a longitudinal direction thereof. 4. The rotating means includes a hydraulic motor fixed to a vehicle body, a small gear rotated by the hydraulic motor, and teeth on an outer circumference fixed to the outer circumference of a mast below the interlocking means driven by the small gear. The heavy load carrying device according to claim 1, wherein the heavy load carrying device comprises an outer ring body having a surface. 5. A movable vehicle body, a table above which the heavy object can be mounted, a hydraulic cylinder which is interposed between the vehicle body and can move the table up and down, and which are provided on the vehicle body. It has a swivel bearing that can be swiveled in the horizontal direction, with its axis aligned with the axis of the hydraulic cylinder, and is configured to telescopically expand and contract with multiple masts. , A heavy load comprising a telescopic mechanism in which a mast having a minimum diameter is fixed to the lower surface of the table, and a rotary drive mechanism constituted by a hydraulic motor fixed to the vehicle body for rotating the revolving bearing together with the telescopic mechanism. Carrier.