JP6359981B2 - Long heavy load lifting device, long heavy load lifting cart, and long heavy load lifting method - Google Patents

Description

  One embodiment relates to a lifting device for a long heavy object, a dolly for lifting a long heavy object, and a method for lifting a long heavy object.

  For example, in a periodic inspection of an operating plant in a nuclear power generation facility, there is an operation of replacing a planned quantity of a local area output monitor (hereinafter referred to as LPRM [Local Power Range Monitor]) for monitoring the neutron flux level of the core (for example, Patent Document 1).

  Conventionally, safety is required for the work of transporting large and heavy parts to a designated place in a building (see, for example, Patent Document 2). For example, when a long heavy object such as a water heater is carried in, a building is previously provided. A long heavy object is carried from the outside to the inside through an opening provided for carrying in on the side wall (see, for example, Patent Document 3).

  The new LPRM needs to be lifted from the first floor of the building to the top floor, for example, in a state where it is put in the LPRM storage box. The building has a floor hole (opening) that penetrates each floor from the 1st floor to the top floor, and the LPRM storage box is carried into the 1st floor from the large entrance of the building on the 1st floor prior to the replacement work. It is placed directly under the floor hole. The overhead crane lifts the LPRM storage box to the top floor through the floor hole.

JP 2012-83259 A JP 2014-59083 A JP 2008-138997 A

  However, when lifting, if the total length of the long LPRM storage box is longer than the effective opening dimension of the floor hole, the LPRM storage box is inclined from the first floor to the top floor with both ends tilted up and down. Since it is lifted, the lifting work by the worker takes time. The worker determines the position of two suspension points of the LPRM storage box on the first floor, connects the overhead crane and the chain block, and adjusts the suspension angle and the length of the suspension tool. In order to repeat this adjustment in a state where both ends of the box are inclined up and down, it is necessary to arrange a large number of workers, and a long work time is required. In addition, after the start of lifting, the workers will continue to stand while paying attention that the LPRM storage box does not collide with the floor holes of each floor, so that sufficient consideration is given to safety and a large number of monitoring personnel are assigned. There was a need to do.

  In addition, regardless of the LPRM storage box, when a long and heavy object is lifted and transported, it is similarly required to improve safety and simplify workability.

In order to solve such a problem, according to one embodiment, a long heavy article is accommodated, has a longer dimension than the long heavy article, and has an engaging portion on one end side in the long direction. A storage box, an engaged portion of the storage box that is detachably engaged, and a traveling means capable of traveling on the floor by rotation, and the floor surface of the building floor in which the storage box is loaded The engaged portion is engaged with the engaging portion of the storage box, and the carriage is shorter than the storage box, and the storage box has an effective opening dimension smaller than the dimension and is from the carry-in floor to the destination floor. A lifting mechanism that lifts the floor to the floor of the target floor through a floor hole penetrating the floor until the storage box is tilted upright with the other end in the longitudinal direction facing upward. , the carriage is self-propelled by the movement of the gravity load accompanying the standing tilting of the storage box, after which the storage box Lifting the engaging portion and lifting weigh the storage box by separating the carriage by disengaging the engaged portion of the carriage during the horizontal the storage box on the target floor of the floor There is provided a lifting device for a long and heavy object.

In addition, according to another embodiment, the object to be transported is a long and heavy object, the engaging means provided at one end of the object to be transported, and formed so as to be able to run on the floor by rotation. The carriage has a to-be-engaged means that is detachably engaged with the engagement means, and the carriage is suspended in a slanted state with the carriage shorter than the article to be carried and the other end side of the article to be carried up. comprising an upper gel lifting up means, wherein the carriage is in the lifting gel process the object to be transported article in the lifting up unit, before the object to be transported article reaches a predetermined inclination angle to be in engaged state to one end of the transported article, the upper floor and the free-running by the movement of the gravity load of the transported article, the engaged means the during further lifting gel turned a predetermined angle A lifting device for a long and heavy object is provided which is disengaged from the engaging means.

According to another embodiment, than the long heavy accommodating a long heavy provided at one end side in the longitudinal direction of the storage box having a long dimension, the storage box and the length A trolley body that is shorter than any of the scales and the one end side of the storage box is detachably formed, and the long part of the storage box is centered on the one end side with respect to the trolley body. A bearing that rotates , and a caster that can run by rotation on a floor surface provided in the cart body, and the storage box is lifted with the other end up and a predetermined inclination angle with respect to the floor surface In the state where the storage box is engaged with one end side of the storage box, the bearing is self-propelled on the floor by the movement of the gravity load of the storage box, and is further lifted at a predetermined angle. characterized in that it is intended to be detached from the one end of the storage box It is provided.

According to another embodiment, the storage box is shorter than the storage box that stores a long heavy object and is detachably engaged with one end side of the storage box having a longer dimension than the long heavy object. A cart capable of traveling by rotation is engaged with one end side of the storage box on the floor surface of the building loading floor, and the storage box is tilted with the other end side up, and the cart is moved to one end side of the storage box. In a state where the storage box is engaged, the floor surface is self-propelled by the movement of the gravity load accompanying the standing tilt of the storage box, and has an effective opening dimension smaller than the dimension and penetrates the floor from the carry-in floor to the destination floor. The storage box is further tilted upright with respect to the one end side from the carry-in floor to the floor surface of the destination floor through the floor hole, the carriage is separated and the storage box is lifted, A length characterized by horizontally placing the storage box on the floor of the floor Lifting methods heavy is provided.

According to another embodiment, the elongated weight of the consignment having engaging means at one end in an inclined state in which the above other end portion side of the object to be transported article by lifting up means lifting The engaged means of the carriage shorter than the object to be transported is formed so as to be able to move and to be able to run on the floor surface by rotation and to be engaged with the engaging means. engaged with the engaging means, the object to be transported article in the lifting up means during lifting gel, one end of the object to be transported article is to be transported article the carriage before reaching the predetermined tilt angle in engagement with, the upper floor is self-propelled by the movement of the gravity load of the transported article, the engagement of the engaged means further the object to be transported object becomes a predetermined angle when lifting gel There is provided a method for lifting a long and heavy object, characterized in that it is disengaged from the combination means.

It is a block diagram of the lifting apparatus of the elongate heavy article which concerns on embodiment. It is a perspective view of the storage box of the lifting device of the long heavy article concerning an embodiment. (A) is one side view of the storage box of the heavy weight lifting device according to the embodiment, and (b) is a top view of the storage box of the heavy weight lifting device according to the embodiment. is there. (A) is a side view of the elongate dolly lifting cart according to the embodiment, and (b) is a top view of the elongate dolly lifting cart according to the embodiment. It is a front view of the trolley | bogie for lifting of the elongate heavy article which concerns on embodiment. It is a figure which shows the some attitude | position during the lifting of the long heavy load by the lifting apparatus of the long heavy load which concerns on embodiment. It is a perspective view which shows the principal part of the one end side of the storage box during the lifting of the long heavy article by the lifting device of the long heavy article which concerns on embodiment. It is a figure which shows the modification of the lifting device of the elongate heavy article which concerns on embodiment.

  Hereinafter, a lifting device for a long heavy object, a dolly for lifting a heavy object, and a lifting method for a long heavy object according to an embodiment will be described with reference to FIGS. In the drawings, the same portions are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a configuration diagram of a lifting device for a long and heavy object according to an embodiment. In the lifting apparatus for long heavy objects according to the present embodiment, an LPRM storage box 13 (storage box) for transporting a new LPRM shown as an example from a floor surface 15 on the first floor (carrying floor) to a floor on the top floor (target floor). A lifting device that is lifted onto the surface 19. Hereinafter, in this embodiment, an example in which the carry-in floor is the first floor and the destination floor is the sixth floor will be described, but the present embodiment is not limited to this.

Lifting device of this long heavy object, one end 10, the end 10 or, et al L PRM box body 11 having a long dimension L in the longitudinal direction than LPRM accommodating (long heavy), and the box The LPRM storage box 13 having the other end 12 opposite to the one end 10 in the longitudinal direction of the main body 11, and the one end 10 side of the LPRM storage box 13 on the floor surface 15 on the first floor of the building 14 into which the LPRM storage box 13 is loaded. And a carriage 16 provided in the vehicle. Furthermore, the lifting device for a long and heavy object according to the present embodiment includes a shaft portion 17 provided on the carriage 16 and an LPRM storage box 13 having one end 10 pivotally supported by the shaft portion 17. A lifting mechanism 20 that has a small effective opening dimension D and is lifted onto the floor surface 19 of the sixth floor through a floor hole 18 penetrating each floor from the first floor to the sixth floor. The lifting mechanism 20 lifts the LPRM storage box 13 by raising the other end 12 upright with respect to the one end 10 and placing it horizontally on the floor surface 19 on the sixth floor.

  FIG. 2 is a perspective view of the LPRM storage box 13. FIG. 3A is a side view of one side of the LPRM storage box 13. FIG. 3B is a top view of the LPRM storage box 13. In these figures, the same reference numerals represent the same elements. The above described symbols represent the same elements. The other side surface of the LPRM storage box 13 is substantially the same as the example of FIG. 3A, and the bottom surface of the LPRM storage box 13 is substantially the same as the example of FIG.

  The LPRM storage box 13 includes a plurality of plates 21 each having a space in a box shape, and a plurality of steel frame members 22 supported and framed at the outer surface positions of these plates 21. The frame member 22 is connected by welding or the like to form a three-dimensional truss-like structure. The LPRM storage box 13 has a door 23 that covers the open one end 10.

  Further, a pair of brackets 24 are attached in parallel to the frame member 22 on the one end 10 side of the LPRM storage box 13, and a shaft body 25 as an engaging portion is horizontally fixed between these brackets 24. A recess is formed in the bracket 24, and the recess of the bracket 24 and both ends of the shaft body 25 are fixed by, for example, welding. The LPRM storage box 13 is rotatable in the axial direction of the shaft body 25 that intersects both the longitudinal direction and the vertical direction. Each bracket 24 is a steel piece having a thickness. The shaft body 25 is cast or forged rod-shaped steel, and has a circular cut surface in an axis orthogonal plane.

  The dimension L in FIG. 3 is 13.8 m, and the floor hole 18 (FIG. 1) is, for example, a 7 m × 6 m rectangle. The effective opening dimension D is such that the LPRM storage box 13 can pass through the plurality of floor holes 18 without interfering with the edge of the floor hole 18 in a state where the LPRM storage box 13 is inclined and lifted up and down. Refers to the opening dimension. The axial length of the shaft body 25 is determined by the diameter of the bowl-shaped LPRM. The thickness of the frame member 22, the material of the shaft body 25, the length or thickness, the shape, size, mounting position or thickness of the bracket 24 are the loads applied to the LPRM storage box 13 in a state where the LPRM is mounted and suspended. It is determined by simulation or field test and determined in advance so as to satisfy the load bearing performance.

  A plurality of casters 26 are rotatably attached to the frame member 22 at the bottom of the LPRM storage box 13 in two rows. The LPRM storage box 13 reciprocates in the left-right direction, that is, in the direction of the one end 10 and the other end 12. It is possible to move. Hanging pieces 27 are fixed to a plurality of locations of the frame member 22 that forms the horizontal beams on the near side and the far side of the upper surface side of the LPRM storage box 13.

  4A is a side view of the carriage 16 and FIG. 4B is a top view of the carriage 16. FIG. 5 is a front view of the carriage 16 as seen from the J direction in FIG. The above described symbols represent the same elements. A carriage 16 shown in FIGS. 4A and 4B is a lifting truck for a long and heavy object, and has a structure (traveling means) with a caster 31 for movement at the lower part of the carriage body 28. Specifically, the carriage 16 includes a carriage body 28 provided on the one end 10 side of the LPRM storage box 13, a pair of carriages 29 provided on the carriage body 28, and a carriage body 28 provided for each carriage 29. On the other hand, a bearing 30 as an engaged portion for rotating the one end 10 of the LPRM storage box 13 around the shaft body 25, and a cart body that rotates on the floor surface by the load of the LPRM storage box 13 from the bearing 30 respectively. A plurality of casters 31 that are pivotally supported by 28 are provided. The caster 31 reciprocates the cart body 28 in the left-right direction.

As shown in FIG. 5, the bogie main body 28 includes two horizontal frames 32 each using a steel material having a U-shaped cross section, and two beams 33 that connect the horizontal frames 32 to each other. Each table 29 is erected and fixed on a horizontal frame 32, and a bearing 30 is formed by a notch in the upper part of these tables 29. The horizontal frame 32 may be made of a steel material having an H-shaped cross section, or another material having a load resistance greater than that of the steel material. The main body 28 may be provided with another beam that spans between the two beams 33, and the number of the beams 33 may be one. The distance between the two bearings 30 is shorter than the distance between the two brackets 24. The cart body 28 has a strength that does not cause bending deformation or sinking with respect to the load of the LPRM storage box 13. The cart body 28 has a frame structure having a strength having a collapse load larger than the load concentrated by the LPRM storage box 13 at the time of tilting. By reducing the weight of the carriage body 28, the carriage 16 can be hand-carried by a person.

  1 includes a shaft body 25 and a bearing 30. The space between the shaft body 25 and the bearing 30 may be lubricated. The shaft portion 17 receives two brackets 24 and a shaft body 25.

  The shaft body 25 as the engaging portion and the bearing 30 as the engaged portion are engaged with each other so as to be detachable. That is, the storage box 13 is engaged when it is placed on the carriage 16, and the engagement is released when one end side of the storage box 13 is lifted upward.

  The lifting mechanism 20 is an overhead crane provided on the sixth floor (operating floor). The lifting mechanism 20 includes a gantry 40, a club 41 that moves left and right by the gantry 40, a hook 42 that is suspended from the club 41, a deck 43 that is locked by the hook 42, and the deck 43 or the club 41. A drum 44 around which a wire 34 is wound, and a motor 45 that rotationally drives the drum 44. The lifting mechanism 20 can adjust the winding speed of winding and rewinding of the wire 34 by an operator operation, and can temporarily stop the winding and rewinding operations.

  Further, in the method for lifting a long heavy object according to the present embodiment, a carriage 16 that pivotally supports one end 10 of the LPRM storage box 13 is provided on the floor surface 15, and the floor surface 19 from the first floor to the sixth floor is respectively passed through the floor hole 18. The LPRM storage box 13 is lifted up by tilting the other end 12 upright with respect to the one end 10, and the LPRM storage box 13 is placed horizontally on the floor surface 19 on the sixth floor.

  Next, with reference to FIG. 1 and FIGS. 6-7, the operation | movement operation | movement of the lifting apparatus of the elongate heavy article which concerns on this embodiment is demonstrated.

  The first floor of the building 14 has a large port 35 for loading and unloading large items. In the periodic inspection, the LPRM storage box 13 loaded with a new LPRM is first leveled from the large port 35 to the floor 15. It is carried in.

  A carriage 16 is prepared on one end 10 side of the LPRM storage box 13. The cart 16 is lightened (for example, has a weight of about 15 kg), and a person carries the cart 16 by hand and installs the cart 16. In the present embodiment, the carriage 16 may be engaged with the LPRM storage box 13 in advance from the loading stage of the LPRM storage box 13.

  Subsequently, two portions of the shaft body 25 between the brackets 24 of the LPRM storage box 13 are fitted into the two bearings 30 of the carriage 16 by the operation of the worker, and the shaft body 25 is a pair of carriages of the carriage 16. 29. By the brackets 24 at both ends, the shaft body 25 can continue to rotate without dropping from the bearing 30. The operator passes a lifting tool (nylon sling) between the two facing left suspension pieces 27 of the LPRM storage box 13 and also passes the lifting tool between the right suspension pieces 27. The wire 34 and the LPRM storage box 13 are connected by a lifting tool, a chain block 37, and a shackle. The operator adjusts the length of the hanger. The worker connects the wire 34 to, for example, an overhead crane (supplementary winding) of the lifting mechanism 20.

  FIG. 6 is a view illustrating a plurality of postures during lifting of a long heavy load by the lifting device for a long heavy load according to the embodiment. The above described symbols represent the same elements.

  Next, the lifting device for a long heavy object according to the present embodiment starts winding. The posture of the LPRM storage box 13 starts to tilt from the first position P1 immediately after carrying in while using the bracket receiving portion (bearing 30) of the carriage 16 as a fulcrum. The carriage 16 can move in one direction. The LPRM storage box 13 receives lifting tension from a plurality of suspension pieces 27. When the other end 12 is tilted upright with respect to the one end 10, a part of the gravitational load of the LPRM storage box 13 in which the casters 31 are lifted up is received to the left in FIG. The carriage 16 moves to the left in FIG. 6 on the floor 15 by this leftward force. The LPRM storage box 13 has the other end 12 standing upright in the vertical plane with the box center line substantially in the longitudinal direction. The LPRM storage box 13 is lifted without rotating around the box center line. At the second position P2, the LPRM storage box 13 is tilted upward with the one end 10 as a pivot, and the LPRM storage box 13 is lifted to the third position P3.

  FIG. 7 is a perspective view showing the main part on the one end 10 side of the LPRM storage box 13 at the third position P3. The shape of the bracket 24 is appropriately changed. The above described symbols represent the same elements. In the third position P3, the load of the LPRM storage box 13 is applied to the pair of bases 29 of the carriage 16 via the shaft body 25 and the bearing 30. Since both ends of the shaft body 25 and the two brackets 24 are fixed by welding or the like, rattling does not occur, the shaft portion 17 is not broken, and the LPRM storage box 13 tilts upright.

  Subsequently, in FIG. 6, the LPRM storage box 13 is lifted to the fourth position P4. In this lifting process, the LPRM storage box 13 is lifted, so that the engagement between the shaft body 25 of the LPRM storage box 13 and the bearing 30 of the carriage 16 is automatically released, and the LPRM storage box 13 and the carriage 16 are separated from each other. To be separated. After the LPRM storage box 13 is lifted up to a predetermined angle with the other end 12 and one end 10 facing up and down, the LPRM storage box 13 is stored on the sixth floor with the assistance of the operator's operation at the fifth position P5. The posture of the box 13 is returned to the horizontal. Even when the effective opening dimension D is about 7 m × about 6 m and the total length of the LPRM storage box 13 is about 13.8 m, the LPRM storage box 13 can be easily lifted without interfering with the edge of the floor hole 18. It can be done.

  Thus, even if the total length L of the LPRM storage box 13 is longer than the opening dimension D of the floor hole 18, the LPRM storage box 13 can be lifted from the carry-in floor to the destination floor. The time required for the lifting work by the worker is greatly reduced. Since the operation of adjusting the suspension length using the chain block 37 can be made unnecessary during lifting, it is not necessary to repeat the adjustment operation of the suspension length while the LPRM storage box 13 is inclined. It becomes possible. The working time can be shortened by a small number of workers. On the first floor, the labor of adjusting a chain block 37 by a plurality of workers is saved. After the start of lifting, the operation of sequentially confirming that the LPRM storage box 13 does not collide with the edge of the floor hole 18 is greatly simplified. It is possible to realize sufficient safety considerations. In addition to the LPRM storage box 13, when a long and heavy long heavy article is lifted and transported, workability can be simplified while maintaining high safety.

  Summarizing the above, according to the lifting device for a long heavy object, the dolly for lifting a heavy object, and the lifting method for the long heavy object according to the present embodiment, the slant that does not cause the long heavy object to interfere with the floor hole 18. It becomes possible to carry-in and lift in a suspended state. A bracket 24 was added to the lower part of the LPRM storage box 13 on the door 23 side, and a carriage 16 was newly manufactured. The operation of raising the LPRM storage box 13 with the overhead crane (lifting mechanism 20) and the chain block 37 by using the overhead crane (lifting mechanism 20) of the LPRM storage box 13 and the stand of the LPRM storage box 13 by moving the caster 31 of the carriage 16 and the floor. Resistance to the surface 15 can be reduced. Since the lifting work of the LPRM storage box 13 can be performed smoothly and safely, the working efficiency can be improved and the safety can be improved by preventing human error.

  In FIG. 6, the heavy lifting device according to the embodiment may include an angle sensor 36 on the carriage 16. The angle sensor 36 detects an inclination angle of the LPRM storage box 13 with respect to the floor 15 due to an upright tilt with respect to the one end 10 of the other end 12. Holes may be drilled in the horizontal frame 32 and the beam 33 of the carriage 16 to reduce the weight while maintaining the strength.

  FIG. 8 is a view showing a modification of the lifting device for long heavy objects according to the embodiment. The above described symbols represent the same elements. The carriage 16 may include a height adjustment mechanism 38 that adjusts the pivotal support height of the bearing 30 relative to the floor 15. As an example, the height adjustment mechanism 38 adjusts the height between the table 29 and the horizontal frame 32.

  In the above-described embodiment, the configuration of the lifting mechanism 20 in FIG. 1 is an example, and the configuration of the lifting mechanism 20, the suspension method, the suspension position, and the like can be variously changed. On the other hand, the advantage of the lifting device for long heavy objects according to the embodiment is not impaired.

  In the above embodiment, the effective opening dimension is an example of a rectangle, but when the floor hole 18 is circular, the effective opening dimension indicates a diameter.

  Although the base 29 is configured separately for each bracket 24, two base parts that receive the brackets 24 and a bridge part that connects these base parts may be configured integrally. Further, the shaft body 25 and the bracket 24 may be provided in the carriage 16, and the base 29 and the bearing 30 may be provided in the LPRM storage box 13. Various shaft structures can be used for the bearing structure of the shaft portion 17. Furthermore, the engaging means that can be freely engaged and disengaged is not limited to the shaft portion and the bearing, and various structures can be employed. In short, it is only necessary to engage with each other up to a horizontal or predetermined angle and disengage when lifting a long heavy object upward. It is preferable in terms of operation that this disengagement is automatically released as in the above-described embodiment, but in terms of ensuring the engagement, automatic disengagement is impossible and engagement is performed by operation. May be solved. The superiority of the lifting device for a long heavy object according to the embodiment is not impaired at all with respect to the embodiment that has been implemented with these changes.

  In the storage box for the lifting device for long heavy objects according to the embodiment, the carts 16 may be provided at both ends in the long direction without the casters 26. Prior to carrying a long heavy storage box from the outside to the indoor, the worker inserts another cart 16 between the lower side of the storage box and the ground, and the storage box is placed on the floor 15 from the large material entrance 35. Transport horizontally. After an operator attaches lifting tools to the storage box, the storage mechanism is once lifted by the lifting mechanism 20, and the worker inserts the carriage 16 on the one end 10 side of the storage box. Two shaft bodies 25 are respectively engaged with the bearings 30. The subsequent operation is the same as the operation example of FIG. Another cart 16 may be provided on the floor surface 19. By providing lightweight carts 16 at a plurality of locations, the storage box can be carried in without the casters 26. The number and the mounting position of the casters 31 of the carriage 16 can be variously changed. Instead of the casters 26 and 31, a rotating body such as a ball or a roller may be used. A carry or a cart may be used instead of the carriage 16.

  In the above embodiment, the LPRM storage box 13 may be a cylindrical container. Although the LPRM storage box 13 has the door 23 at the end, a long door may be provided on the top plate. The operation when the LPRM storage box 13 is suspended from an arbitrary floor to the lower floor such as the first floor or the basement floor is substantially the same as the operation at the time of lifting.

  Further, the long heavy article is not limited to the LPRM storage box 13 as in the above-described embodiment. If the long heavy article needs to have a predetermined angle of inclination when it is lifted, the present embodiment The effect of the form can be enjoyed.

  Although several embodiments have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

  DESCRIPTION OF SYMBOLS 10 ... One end, 11 ... Box main body, 12 ... Other end, 13 ... LPRM storage box (storage box, to-be-conveyed object), 14 ... Building, 15, 19 ... Floor surface, 16 ... Dolly, 17 ... Shaft part, 18 ... Floor hole, 20 ... Lifting mechanism (lifting means), 21 ... Plate, 22 ... Frame material, 23 ... Door, 24 ... Bracket, 25 ... Shaft body (engaging part, engaging means), 26 ... Casters, 27 ... Hanging Pieces, 28 ... cart body, 29 ... table, 30 ... bearing (engaged part, engaged means), 31 ... caster (traveling means), 32 ... horizontal frame, 33 ... beam, 34 ... wire, 35 ... big Carry-in entrance, 36 ... angle sensor, 37 ... chain block, 38 ... height adjustment mechanism, 40 ... gantry, 41 ... club, 42 ... hook, 43 ... deck, 44 ... drum, 45 ... motor.

Claims (7)

A storage box for storing long heavy objects, having a longer dimension than the long heavy objects, and having an engaging portion on one end side in the long direction;
The engaging portion of the storage box has an engaging portion that can be freely engaged and disengaged and traveling means that can run on the floor surface by rotation, and the engaging portion is on the floor surface of the loading floor of the building into which the storage box is loaded. A trolley shorter than the storage box, where a joint portion is engaged with an engaging part of the storage box ,
A lifting mechanism that lifts the storage box onto the floor surface of the target floor through a floor hole that has an effective opening dimension smaller than the dimension and passes through the floor from the carry-in floor to the target floor, and
The lifting mechanism, the storage box in the top end side in the longitudinal direction is erected tilted, the carriage is self-propelled by the movement of the gravity load accompanying the standing tilting of the storage box, the subsequent of said storage box In the process of lifting, the engagement portion and the engaged portion of the carriage are disengaged to separate the carriage and lift the storage box, and the storage box is horizontally placed on the floor surface of the destination floor. A lifting device for a long heavy article, characterized in that it is placed on the apparatus. A long and heavy object to be transported,
Engagement means provided at one end of the object to be transported;
A carriage that is formed to be able to run on the floor by rotation and has engaged means that is detachably engaged with the engaging means;
Wherein anda lifting gel lifting up means the object to be transported article in an inclined state in which the upper and the other end side of the transported article,
The carriage is in the lifting gel process the object to be transported article in the lifting-up means, wherein in a state to be transported article is the previously leading to a predetermined inclination angle engaged with the one end portion of the transported article, wherein the movement of the gravity load of the object to be transported article freely running on a floor surface, in which the engaged means when further lifting gel reached the predetermined angle is disengaged from said engagement means A lifting device for long heavy loads. A trolley body shorter than any of the storage box and the long heavy article, which is provided on one end side in the long direction of a storage box that stores a long heavy article and has a longer dimension than the long heavy article When,
A bearing that is detachably formed on one end side of the storage box, and that rotates the long part of the storage box about the one end side with respect to the cart body;
A caster capable of traveling by rotation on a floor provided in the cart body ,
Gravity load movement of the storage box while the storage box is engaged with one end side of the storage box before the storage box is lifted with the other end up and reaches a predetermined inclination angle with respect to the floor surface The heavy-duty lifting cart , wherein the bearing is detached from the one end side of the storage box when self-propelled on the floor and further lifted at a predetermined angle .   The trolley for lifting a long heavy object according to claim 3, further comprising an angle sensor for detecting an inclination angle of the storage box with respect to the floor surface by an upright tilt with respect to the one end side. 5. The bogie for lifting heavy heavy objects according to claim 3 or 4 , further comprising a height adjusting mechanism for adjusting a pivot support height of the bearing with respect to the floor surface. The possible carriage travel by rotation from a storage box with short to disengageably engaged with one end of the storage box having a long dimension than the long heavy accommodating a long heavy, loading of the building Engaging one end of the storage box on the floor of the floor,
While the storage box is tilted with the other end side up and the cart is engaged with one end side of the storage box, the floor surface is self-propelled by the movement of the gravitational load accompanying the standing tilt of the storage box ,
The storage box is placed on the floor surface of the destination floor from the entrance floor through the floor hole having an effective opening dimension smaller than the dimensions and passing through the floor from the entrance floor to the destination floor, and the other end side is the one end side. Further upright tilting, separating the carriage and lifting the storage box ,
A method for lifting a long heavy object, wherein the storage box is horizontally placed on the floor of the destination floor. And lifting up possible inclined state in which the other end of the object to be transported article on the lifting up means an elongated weight of the consignment having engaging means at one end,
Said engagement means said engaged means of short dolly from the object to be transported article having the engaging means and engaged detachably engaged means for engaging with the upper floor is travelable formed by rotation Engaged with
The object to be transported article when lifting the gel by the lifting-up means, wherein in a state to be transported article is the previously leading to a predetermined inclination angle engaged with the carriage at one end of the transported article, the object the upper floor is self-propelled by the movement of the gravity load of the transported article, disengaging the further the object to be transported object becomes a predetermined angle from said engagement means said engaged means when lifting gel,
A method for lifting a long heavy article.

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