JP2019049154A - Rooftop slab lifting system - Google Patents

Abstract

To provide a rooftop slab lifting system capable of preventing health damage of workers.SOLUTION: The rooftop slab lifting system is used for transporting with a lifter a substantially rectangular plate-like slab block formed by cutting the rooftop slab vertically and horizontally. The rooftop slab lifting system comprises: an anchor plate having a guide, which is fixed to the slab block; and a slab block lifting device detachably connected to the anchor plate in a state being lifted by the lifter, which has a slinging guide guided by the guide.SELECTED DRAWING: Figure 1

Description

  The present disclosure relates to a roof slab lifting system for conveying a substantially rectangular plate-shaped slab block formed by cutting a roof slab vertically and horizontally by a lifting machine.

  Conventionally, as a method of disassembling a floor slab member of a building, a blade cutter device is cut into a rotating blade to cut the floor slab member, and a plurality of the slab members separated and separated on the non-separated floor slab member After the floor slab holding / suspending member is placed and the floor slab holding / suspending member is connected to the separated floor slab member, the suspension formed on the floor slab holding / suspending member is formed. There is a method in which a cable body for lifting and transporting is connected to a hole, and the floor slab member cut and separated together with the floor slab holding / suspending member is suspended and transported (see Patent Document 1).

  In Patent Document 1, in order to improve the efficiency of the work of dismantling the floor slab member of a building, cutting the floor slab member by cutting a rotating blade of a blade cutter device generates noise and vibration, and dust. Can be easily removed by lifting the floor slab member using a crane by greatly suppressing the scattering of the slab and connecting the lifting and transporting cable to the suspension hole formed in the member for holding / suspending the floor slab What can be done is disclosed.

JP 2014-201933 A

  However, as described in Patent Document 1, large noise and vibration are generated or dust is scattered at the time of building demolition work, so that there is a great environmental adverse effect in the vicinity and in the work site. For this reason, the adverse effect of the environment in the work site on the health of workers working in the work site is not small.

  In particular, when contaminants such as radioactive substances and chemical substances are present inside the building, there is a risk of adversely affecting the health of workers when dismantling the roof slab.

  In view of the above-described circumstances, at least one embodiment of the present invention aims to provide a roof slab lifting system capable of suppressing the health damage of an operator.

(1) A roof slab lifting system according to at least one embodiment of the present invention,
A roof slab lifting system for transporting a substantially rectangular plate-shaped slab block formed by cutting a roof slab vertically and horizontally with a lifting machine,
The roof slab lifting system is
An anchor plate having a guide and fixed to the slab block;
A slab block lifting device that is detachably connected to the anchor plate in a state of being suspended from the lifting machine, the slab block lifting device having a sling guide guided by the guide guide.

  According to the configuration of (1) above, the roof slab lifting system includes a guide guide, and includes an anchor plate fixed to the slab block, and a slab block lifting device having a sling guide guided by the guide guide. Therefore, the anchor plate and the slab block lifting device can be easily aligned by the guide guide and the sling guide. The slab block lifting device is detachably connected to the anchor plate in a state where it is suspended from the lifting machine. Such a roof slab lifting system can perform alignment and connection with the anchor plate in a state where the slab block lifting device is suspended from the lifting machine, so that the efficiency of transferring the slab block can be improved. And the health hazard of an operator can be suppressed by the part for which the time concerning transfer of a slab block decreases.

(2) In some embodiments, in the configuration of (1) above,
The anchor plate comprises at least one frame member;
The frame member has at least one standing plate having a bottom plate portion fixed to the slab block and a first through hole formed in a plate shape standing on the bottom plate portion and penetrating along the thickness direction. A plate portion,
The slab block lifting device includes a frame and at least one anchor plate coupling device fixed to the lower side of the frame,
The anchor plate coupling device includes a through-hole insertion device having an insertion portion that can be inserted into the first through-hole.

  According to the configuration of (2) above, the frame member is formed in a plate shape standing on the bottom plate portion fixed to the slab block, and the first through hole penetrating along the thickness direction. And at least one erected plate portion. Moreover, the anchor plate coupling device fixed to the lower side of the frame includes a through hole insertion device having an insertion portion that can be inserted into the first through hole. The slab block lifting device is fixed to the slab block by inserting the insertion portion of the anchor plate coupling device fixed to the lower side of the frame body into the first through hole formed in the standing plate portion of the anchor plate. Can be connected to the anchor plate. Moreover, the slab block lifting apparatus can cancel | release connection with an anchor plate by pulling out the insertion part mentioned above from the 1st through-hole. For this reason, the efficiency of the connection between the slab block lifting device and the anchor plate can be improved. And the health hazard of an operator can be suppressed by the amount that the time taken to connect the slab block lifting device and the anchor plate is reduced.

(3) In some embodiments, in the configuration of (2) above,
The anchor plate coupling device further includes a coupling member having a plate-like first plate part in which a second through-hole penetrating along the thickness direction is formed,
The slab block lifting device is detachably connected to the anchor plate by inserting the insertion portion into the second through hole after the insertion portion is inserted into the first through hole.

  According to the configuration of (3) above, when the slab block lifting device is lifted by the lifting machine while being connected to the anchor plate, the insertion portion of the through-hole insertion device supports the anchor plate in a suspended state. Yes. Since this insertion part is supported by the inner peripheral surface of the 2nd through-hole of a connection member, since it is not necessary to support an anchor plate only by an insertion part, the enlargement and weight increase of a through-hole insertion apparatus are suppressed. Can do.

(4) In some embodiments, in the configuration of (3) above,
The connecting member is a plate-like second plate portion disposed to face the first plate portion, and includes a second plate portion in which a third through-hole penetrating along the thickness direction is formed. Have
The slab block lifting device is configured such that the insertion portion is the third through hole, the first through hole, and the state in which the standing plate portion is inserted between the first plate portion and the second plate portion. Insert in the order of the second through hole.

  According to the configuration of (4) above, when the slab block lifting device is lifted by the lifting machine while being connected to the anchor plate, the insertion portion of the through-hole insertion device supports the anchor plate in a suspended state. Yes. Since this insertion part is supported by the internal peripheral surface of the 2nd through-hole of a connection member, and the internal peripheral surface of a 3rd through-hole, the enlargement and weight increase of a through-hole insertion apparatus can be suppressed by that much. .

(5) In some embodiments, in the above configurations (2) to (4),
The roof slab lifting system further includes a fixing pin for fixing the slab block and the anchor plate,
The frame member has at least one fourth through hole penetrating in the bottom plate portion along a thickness direction of the bottom plate portion,
The slab block has at least one fifth through-hole penetrating along the thickness direction of the slab block,
The anchor plate is fixed to the slab block by the fixing pin passing through the fourth through hole and the fifth through hole and sandwiching the anchor plate and the slab block.

  According to the configuration of (5), since the anchor plate and the slab block are firmly fixed, it is possible to reduce the time required for transporting the slab block, and it is possible to suppress the health damage of the worker.

(6) In some embodiments, in the configuration of (5) above,
The fixing pin is
The torso,
A locking portion having a pair of tip portions that are pivotally connected to the lower end portion of the body portion and extend to opposite sides along a direction perpendicular to the length direction of the body portion due to its own weight. When,
A fastening portion that is fixed to the upper end portion of the body portion and is provided so that a nut member can be screwed together,
At least a part of the body portion and the locking portion are inserted through the fourth through hole and the fifth through hole, and the fastening portion is fastened with the locking portion locked to the slab block. As a result, the locking portion and the fastening portion sandwich the anchor plate and the slab block.

  According to the configuration of (6) above, since the anchor plate and the slab block can be fixed by the fixing pin, it is possible to reduce the time required for fixing the anchor plate and the slab block, thereby suppressing the health damage of the worker. be able to.

(7) In some embodiments, in the above configurations (2) to (6),
The slab block lifting device is a linear motion expansion / contraction device fixed to the frame body, and is capable of lifting the slab block upward from the roof slab while being placed on the roof slab. Is further provided.

  According to the configuration of (7) above, the slab block edge can be confirmed by the slab block lifting device. In some cases, the slab block lifting device can perform edge cutting by lifting the slab block. And since the slab block lifting apparatus can perform edge cutting confirmation beforehand before conveying a slab block, efficiency improvement of the conveyance work of a slab block can be achieved. And it can suppress a worker's health hazard by the part for which the time concerning conveyance of a slab block decreases.

(8) In some embodiments, in the configuration of (7) above,
The anchor plate coupling device and the linear motion extension / contraction device are configured to be remotely operable,
The slab block lifting device further includes a wireless device for remotely operating the anchor plate coupling device and the linear motion telescopic device.

  According to the configuration of (8) above, the operator can confirm the edge cutting of the slab block or transport the slab block by remote control from a place away from the slab block lifting device. For this reason, a worker's health hazard can be suppressed.

(9) In some embodiments, in the configuration of (8) above,
The slab block lifting device images a first imaging device that captures the vicinity of a connection location between the slab block lifting device and the anchor plate, and a second image that captures the vicinity of the placement location of the linear motion telescopic device on the roof slab. And an imaging device.

  According to the configuration of (9) above, the operator can confirm the connection state with the anchor plate and the operation state of the linear motion expansion / contraction device from a position away from the slab block lifting device, so that the edge cutting can be confirmed by remote operation. And slab blocks can be transported efficiently.

(10) In some embodiments, in the above configuration (8) or (9),
The slab block lifting device is a driving force generating device disposed inside the frame body, and further includes a driving force generating device that generates driving forces of the anchor plate coupling device and the linear motion expansion / contraction device.

  According to the configuration of (10) above, the slab block lifting device includes the driving force generation device that generates the driving force of the anchor plate coupling device and the linear motion expansion / contraction device inside the frame body. The anchor plate coupling device and the linear motion expansion / contraction device can be driven at the transport destination. According to the above configuration, the worker can drive the anchor plate coupling device and the linear motion telescopic device even when the slab block lifting device is disposed at a remote place away from the worker.

(11) In some embodiments, in the above configurations (2) to (10),
The guide guide is a bottom fixed to the frame member, and a tip protruding from the bottom opposite to the slab block. A tip portion having a portion,
The sling guide is fixed to the lower side of the frame and has a surface or a ridge line portion guided by the inclined surface or the inclined ridge line portion.

  According to the configuration of (11) above, since the slab block lifting device is positioned with respect to the anchor plate by the guide guide and the sling guide, the slab block lifting device and the anchor plate can be easily aligned and connected. it can. For this reason, a worker's health hazard can be suppressed.

(12) In some embodiments, in the configuration of (11) above,
The slab block lifting device further includes at least one turning device for enabling turning in a state where the slab block lifting device is suspended from the lifting machine.
In this case, since the slab block lifting device includes a turning device for enabling turning in a state suspended from the lifting machine, the slab block lifting device and the anchor plate are aligned and connected. It can be done easily. For this reason, a worker's health hazard can be suppressed.

(13) In some embodiments, in the above configuration (11) or (12),
The slab block lifting device further includes a third imaging device that photographs the vicinity of the sling guide in order to confirm the positional relationship between the guide guide and the sling guide.
In this case, since the slab block lifting device includes the third imaging device for photographing the vicinity of the sling guide in order to confirm the positional relationship between the guide guide and the sling guide, the slab block lifting device and the anchor plate Positioning and connection can be easily performed. For this reason, a worker's health hazard can be suppressed.

  According to at least one embodiment of the present invention, there is provided a roof slab lifting system capable of suppressing the health damage of an operator.

It is a schematic front view which shows schematically the roof slab lifting system concerning one Embodiment of this invention, Comprising: It is a figure which shows the state with which the slab block lifting apparatus was connected with the anchor plate. It is a schematic front view which shows schematically the slab block lifting apparatus shown in FIG. FIG. 3 is a schematic top view schematically showing the slab block lifting device shown in FIG. 2. It is a schematic bottom view which shows roughly the slab block lifting apparatus shown in FIG. It is a flowchart which shows an example of the dismantling method of a roof slab using the roof slab lifting system shown in FIG. It is a figure which shows schematically the anchor plate in one Embodiment of this invention, Comprising: Fig.6 (a) is a top view, FIG.6 (b) is the cross section of the AA line arrow of Fig.6 (a). FIG. It is a figure which shows schematically the fixing pin in one Embodiment of this invention, Comprising: Fig.7 (a) is a front view, FIG.7 (b) is a side view. It is a general | schematic fragmentary expanded sectional view for demonstrating fixation with the anchor plate and slab block in one Embodiment of this invention. It is a general | schematic fragmentary expanded sectional view for demonstrating connection with the slab block lifting apparatus and anchor plate in one Embodiment of this invention. It is a figure which shows the state which raised the slab block upwards from the roof slab by the linear motion expansion / contraction apparatus of the slab block lifting apparatus in one Embodiment of this invention. It is explanatory drawing for demonstrating position alignment with the slab block lifting apparatus and anchor plate in one Embodiment of this invention. It is the schematic which shows schematically the block diagram of the control system of the slab block lifting apparatus in one Embodiment of this invention. It is explanatory drawing for demonstrating the imaging device in the roof slab lifting system concerning one Embodiment of this invention.

Hereinafter, some embodiments of the present invention will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, etc. of the components described in the embodiments or shown in the drawings are not intended to limit the scope of the present invention, but are merely illustrative examples. Absent.
For example, expressions expressing relative or absolute arrangements such as “in a certain direction”, “along a certain direction”, “parallel”, “orthogonal”, “center”, “concentric” or “coaxial” are strictly In addition to such an arrangement, it is also possible to represent a state of relative displacement with an angle or a distance such that tolerance or the same function can be obtained.
For example, an expression indicating that things such as “identical”, “equal”, and “homogeneous” are in an equal state not only represents an exactly equal state, but also has a tolerance or a difference that can provide the same function. It also represents the existing state.
For example, expressions representing shapes such as quadrangular shapes and cylindrical shapes represent not only geometrically strict shapes such as quadrangular shapes and cylindrical shapes, but also irregularities and chamfers as long as the same effects can be obtained. A shape including a part or the like is also expressed.
On the other hand, the expressions “comprising”, “comprising”, “comprising”, “including”, or “having” one constituent element are not exclusive expressions for excluding the existence of the other constituent elements.

  FIG. 1 is a schematic front view schematically showing a roof slab lifting system according to an embodiment of the present invention, and shows a state in which a slab block lifting device is connected to an anchor plate. FIG. 2 is a schematic front view schematically showing the slab block lifting device shown in FIG. FIG. 3 is a schematic top view schematically showing the slab block lifting device shown in FIG. FIG. 4 is a schematic bottom view schematically showing the slab block lifting device shown in FIG. FIG. 5 is a flowchart showing an example of a roof slab disassembly method using the roof slab lifting system shown in FIG. First, the roof slab disassembly method 19 using the roof slab lifting system 1 will be described with reference to FIG.

  The roof slab disassembly method 19 includes a roof slab suspension hole drilling step S10, a roof slab cutting step S20, an anchor plate installation step S30, a fixing pin fixing step S40, and an edge cutting confirmation step S50 as shown in FIG. And slab block transfer step S60. The roof slab suspension hole drilling step S10 is a step of drilling the roof slab 20 to form a transfer suspension hole. The roof slab cutting step S20 is a step of cutting the roof slab 20 vertically and horizontally to form a substantially rectangular plate-like slab block 18. The anchor plate installation step S30 is a step of installing the anchor plate 3 on the slab block 18. The fixing pin fixing step S40 is a step of fixing the anchor plate 3 to the slab block 18 by the fixing pin 4 that is inserted through the suspension hole (the fifth through hole 18a). The edge cutting confirmation step S50 is a step of confirming the edge cutting of the slab block 18 by lifting the slab block 18 above the roof slab 20 and then lowering it. The slab block transfer step S60 is a step of connecting the slab block lifting device 2 to the anchor plate 3 and then lifting the slab block 18 together with the anchor plate 3 and the slab block lifting device 2 by a lifting machine and transferring them to another transfer destination. is there.

  In the embodiment shown in FIGS. 1 to 13, the roof slab lifting system 1 includes a slab block lifting device 2 and an anchor plate 3 as shown in FIGS. 1 to 4, 6, and 8 to 13. It is. The anchor plate 3 is installed on the slab block 18 in the anchor plate installation step S30. Furthermore, the anchor plate 3 is fixed to the slab block 18 by the fixing pin 4 in the fixing pin fixing step S40. The slab block lifting device 2 and the anchor plate 3 are used for confirming the edge cutting of the slab block 18 in the edge cutting confirmation step S50, and the slab block 18 is lifted by a lifting machine in the slab block transfer step S60. It is used for transporting to other transport destinations. Hereinafter, each structure with which the roof slab lifting system 1 is provided is each demonstrated.

  The slab block lifting device 2 includes a frame body 21, an anchor plate coupling device 22, a linear motion expansion / contraction device 25, and a turning device 26 as shown in FIGS. 1 to 4 and 9 to 13. . The frame 21 includes a frame main body 21h, a sling guide 21c fixed to the lower portion of the frame main body 21h, and a wire fixed to the upper portion of the frame main body 21h as shown in FIGS. Attachment part 21f.

  The frame body 21 h of the frame body 21 is placed on the floor surface 20 a of the roof slab 20 or the upper surface 18 b of the slab block 18 as shown in FIGS. 1 to 4, 9 to 11 and 13. The frame main body 21h is connected and fixed to each other by combining a plurality of vertical frame members 21a having a longitudinal direction along the vertical direction and a plurality of horizontal frame members 21b having a longitudinal direction along the horizontal direction. Thus, it is formed in a substantially rectangular parallelepiped shape. Here, for the vertical frame member 21a and the horizontal frame member 21b, for example, a square tubular steel pipe, a shape steel such as an I-shaped steel or an L-shaped steel is used. Moreover, the wire attachment part 21f of the frame 21 is formed with a wire attachment hole 21g penetrating along the thickness direction for attaching the wire of the hoist as shown in FIGS.

  The frame body 21 has a sling guide 21c guided by a guide guide 32 of the anchor plate 3 to be described later, as shown in FIGS. The sling guide 21 c is fixed to the lower side of the frame body 21. The sling guide 21c includes a guided surface 21d and a guided ridge line portion 21e, which are guided by the inclined surface 32c of the distal end portion 32b described later and the outer peripheral surface of the body portion 32d described later. . More specifically, the sling guide 21c is arranged in the longitudinal direction of the frame body 21 so that the center side is closer to each other than the both longitudinal ends of the frame body 21 as shown in FIGS. It is comprised by a pair of horizontal frame member 21b arrange | positioned with respect to. In the pair of horizontal frame members 21b, opposite side surfaces are guided surfaces 21d, and a ridge line portion formed between the opposite side surfaces and the lower surface is a guided ridge line portion 21e. In some embodiments, the frame body 21 includes a pair of sling guides 21 c, and the pair of sling guides 21 c are arranged away from each other along the longitudinal direction of the frame body 21.

  The anchor plate connecting device 22 connects the slab block lifting device 2 and the anchor plate 3. As shown in FIGS. 1 to 4, 9 to 11, and 13, the anchor plate coupling device 22 is separated from each other along the horizontal direction perpendicular to the longitudinal direction on both sides in the longitudinal direction of the lower end portion of the frame body 4 in total. These are arranged and fixed to the frame body 21. The anchor plate connecting device 22 includes a through-hole inserting device 23 and a connecting member 24 as shown in FIG.

  The through-hole insertion device 23 of the anchor plate coupling device 22 includes an insertion device main body 23b fixed to the frame body 21, an insertion portion 23a slidable with respect to the insertion device main body 23b, as shown in FIG. have. The through-hole insertion device 23 is configured such that the insertion portion 23a slides with respect to the insertion device main body 23b, so that the insertion portion 23a has a second through-hole 24b, a third through-hole 24d, and an anchor plate 3 of the connecting member 24 described later. A forward movement through which the first through-hole 31c is inserted and a backward movement in which the insertion portion 23a comes out of the second through-hole 24b, the third through-hole 24d and the first through-hole 31c are performed.

  As shown in FIG. 9, the connecting member 24 of the anchor plate connecting device 22 has a plate-like bottom plate portion 24e fixed to the frame body 21 and a plate-like shape standing downward from the bottom plate portion 24e. 1 plate part 24a and the 2nd board part 24c arrange | positioned facing the 1st board part 24a while it is formed in the plate shape standing downward from the baseplate part 24e. The first plate portion 24a is arranged such that the thickness direction is along the longitudinal direction of the frame body 21, and a second through hole 24b penetrating along the thickness direction is formed. The second plate portion 24c is arranged so that the thickness direction is along the longitudinal direction of the frame body 21, and a third through hole 24d penetrating along the thickness direction is formed. And the 2nd board part 24c is arrange | positioned near the penetration apparatus main body 23b of the through-hole penetration apparatus 23 rather than the 1st board part 24a, as FIG. 9 shows.

  As shown in FIGS. 1 to 4, 10, 11, and 13, the linear motion expansion / contraction device 25 is separated from each other along the direction perpendicular to the longitudinal direction in the horizontal direction on the side surfaces on both sides in the longitudinal direction of the frame body 21. A total of four are arranged and fixed to the frame body 21. As shown in FIG. 10, the linear motion expansion / contraction device 25 includes a linear motion expansion / contraction device main body 25b that is arranged along the vertical direction of the longitudinal direction and is fixed to the frame 21, and the linear motion expansion / contraction device main body 25b. And a linear motion stretchable portion 25a configured to be at least partially storable. And the linear motion expansion-contraction apparatus 25 is provided so that the own length dimension can be changed. More specifically, the linear motion expansion / contraction device 25 moves forward so that the linear motion expansion / contraction portion 25a protrudes from the linear motion expansion / contraction device body 25b by sliding the linear motion expansion / contraction section 25a with respect to the linear motion expansion / contraction apparatus body 25b. Then, the linear motion expansion / contraction part 25a performs the reverse movement of entering the linear motion expansion / contraction device main body 25b. Even when the linear motion expansion / contraction device 25 is placed on the floor surface 20a of the roof slab 20 and the floor surface 20a is uneven, the frame body 21 is changed by changing its length dimension. Can be supported horizontally.

  The swivel device 26 generates wind power to swivel the slab block lifting device 2 in a state where it is suspended by a lifting machine via a wire, or stops the turning of the slab block lifting device 2. 1 to 4 and 11, a total of four swiveling devices 26 are arranged on both sides in the longitudinal direction of the upper end portion of the frame body 21 so as to be separated from each other along the direction perpendicular to the longitudinal direction in the horizontal direction. It is fixed to the frame body 21.

  6A and 6B are diagrams schematically showing an anchor plate according to an embodiment of the present invention, in which FIG. 6A is a top view, and FIG. 6B is a line AA in FIG. 6A. It is sectional drawing of an arrow. 7A and 7B are diagrams schematically showing a fixing pin according to an embodiment of the present invention, in which FIG. 7A is a front view and FIG. 7B is a side view. FIG. 8 is a schematic partially enlarged cross-sectional view for explaining fixing of the anchor plate and the slab block in the embodiment of the present invention. FIG. 9 is a schematic partially enlarged cross-sectional view for explaining the connection between the slab block lifting device and the anchor plate in one embodiment of the present invention. FIG. 11 is an explanatory diagram for explaining alignment between the slab block lifting device and the anchor plate according to the embodiment of the present invention.

  The anchor plate 3 is fixed to the slab block 18 by a fixing pin 4 to be described later as shown in FIGS. 1, 6, 8 to 11, and 13, and the slab block lifting device 2 is fixed by the anchor plate connecting device 22. It is detachably connected to. The anchor plate 3 includes a frame member 31 and a guide guide 32 as shown in FIGS. 1, 6, 8 to 11 and 13.

  6, 8, and 11, the frame member 31 is placed on the upper surface 18 b of the slab block 18 along the direction in which the longitudinal direction is perpendicular to the longitudinal direction of the slab block. A long plate-like bottom plate portion 31a fixed to the slab block 18 by 4, and a standing plate portion 31b formed in a plate shape standing upward from the center in the direction perpendicular to the longitudinal direction of the bottom plate portion 24e, Is included.

  And the frame member 31 is arrange | positioned so that the thickness direction of the standing board part 31b may be along the longitudinal direction of a slab block as FIG.6,8,9 shows, and it penetrates along a thickness direction. A first through hole 31c having a substantially rectangular cross section is formed. In addition, as shown in FIG. 6, the frame member 31 has a pair of upright plate portions 31 b arranged away from each other along the longitudinal direction of the bottom plate portion 31 a.

  Further, the frame member 31 has a fourth through hole 31d penetrating along the thickness direction of the bottom plate portion 24e as shown in FIGS. 6 and 8, and the axial length of the fourth through hole 31d is long. A cylindrical projecting portion 31e that projects upward from the bottom plate portion 24e is formed so as to extend the length. Further, as shown in FIG. 6, the frame member 31 includes a plurality of fourth through holes 31 d and a cylindrical protrusion 31 e, and the plurality of fourth through holes 31 d and the cylindrical protrusion 31 e extend along the longitudinal direction. Two sets are arranged apart from each other in four places. Here, of the two sets of the fourth through hole 31d and the cylindrical protrusion 31e, one set is a spare, and is used when the anchor plate 3 and the slab block 18 cannot be fixed using the other.

  In some embodiments, the anchor plate 3 is erected upward from both edge portions in a direction perpendicular to the longitudinal direction of the bottom plate portion 31a as shown in FIG. 6, and is substantially the same as the bottom plate portion 31a. The side plate part 31f which has the length of this is further included.

  The guide guide 32 is formed in a rectangular plate shape placed on the upper surface 18b of the slab block 18 as shown in FIGS. 6, 8, and 11, and one side surface of the bottom plate portion 31a of the frame member 31 is formed. A bottom portion 32a fixed in contact with one side surface in a direction perpendicular to the longitudinal direction, a body portion 32d projecting in a columnar shape from the bottom portion 32a, and a body portion 32d projecting to the opposite side of the bottom portion 32a. A tip portion 32b. The distal end portion 32b of the guide guide 32 has an inclined surface 32c that expands in the radial direction as approaching the body portion 32d, as shown in FIGS. In some other embodiments, the distal end portion 32b of the guide guide 32 has an inclined ridge portion (not shown) that expands in the radial direction as it approaches the body portion 32d.

  In some embodiments, the roof slab lifting system 1 includes a pair of anchor plates 3 spaced apart from each other along the longitudinal direction of the slab block 18 on the upper surface 18b of the slab block 18, as shown in FIGS. Are arranged. In the pair of anchor plates 3, the mutual guide guides 32 are arranged on the center side in the longitudinal direction of the slab block 18 from the frame member 31.

  Next, alignment of the slab block lifting device 2 and the anchor plate 3 will be described with reference to FIG. First, the anchor plate 3 is placed on the slab block 18, and the anchor plate 3 and the slab block 18 are fixed by the fixing pins 4. Next, the slab block lifting device 2 is conveyed by a lifting machine, and the sling guide 21c is arranged above the sling guide 21c of the anchor plate 3 as shown in FIG. At this time, rough alignment is performed by the hoist and the turning device 26 so that the sling guide 21c is disposed above the sling guide 21c. Then, when the slab block lifting device 2 is lowered by the lifting machine, the guided surface 21d and the guided ridge line portion 21e of the sling guide 21c come into contact with the distal end portion 32b of the guide guide 32 and are guided to the anchor plate 3. Positioning is performed. For this reason, the slab block lifting device 2 can be easily aligned with the anchor plate 3 while being suspended by the lifting machine.

  The connection between the slab block lifting device 2 and the anchor plate 3 will be described with reference to FIG. As shown in FIG. 9, the slab block lifting device 2 is configured such that the insertion portion 23 a of the through-hole insertion device 23 is the first through-hole of the frame member 31 by the alignment of the slab block lifting device 2 and the anchor plate 3 described above. It arrange | positions in the position which can be penetrated by 31c. More specifically, as shown in FIG. 9, the slab block lifting device 2 includes a standing plate portion of the frame member 31 from below between the first plate portion 24 a and the second plate portion 24 c of the connecting member 24. 31b is inserted, and the insertion portion 23a of the through-hole insertion device 23 is disposed at a position where it can be inserted into the second through-hole 24b, the third through-hole 24d of the connecting member 24, and the first through-hole 31c of the frame member 31. ing.

  The slab block lifting device 2 can be connected to the anchor plate 3 fixed to the slab block 18 by inserting the insertion portion 23a of the through hole insertion device 23 into the first through hole 31c of the frame member 31. . Further, the slab block lifting device 2 can release the connection with the anchor plate 3 by pulling out the insertion portion 23a described above from the first through hole 31c. For this reason, the slab block lifting device 2 can be easily connected to or disconnected from the anchor plate 3 while being suspended by the lifting machine.

  In some embodiments, the roof slab lifting system 1 includes the slab block lifting device 2 described above and the anchor plate 3 described above, as shown in FIGS. 1-4, 6, 8-13. .

  According to said structure, the roof slab lifting system 1 has the guide guide 32, the anchor plate 3 fixed to the slab block 18, and the slab block lifting apparatus 2 which has the sling guide 21c guided by the guide guide 32. Therefore, the anchor plate 3 and the slab block lifting device 2 can be easily aligned by the guide guide 32 and the sling guide 21c. The slab block lifting device 2 is detachably connected to the anchor plate 3 in a state where it is suspended from the lifting machine. Such a roof slab lifting system 1 can perform alignment and connection with the anchor plate 3 in a state where the slab block lifting device 2 is suspended from the lifting machine, so that the transfer of the slab block 18 can be made more efficient. I can plan. And the health damage of an operator can be suppressed by the part for which the time concerning transfer of the slab block 18 decreases.

  In some other embodiments, the frame member 31 includes the above-described bottom plate portion 31 a and the above-described standing plate portion 31 b as shown in FIGS. 1, 6, 8 to 11, and 13. ing. The anchor plate connecting device 22 includes the above-described through-hole inserting device 23 as shown in FIG.

  According to said structure, the frame member 31 is formed in the plate shape standing on the bottom plate part 31a fixed to the slab block 18, and the 1st penetration penetrated along the thickness direction. And at least one standing plate portion 31b having a hole 31c. The anchor plate coupling device 22 includes a through-hole insertion device 23 that is fixed to the lower side of the frame body 21 and has an insertion portion 23a that can be inserted into the first through-hole 31c. The slab block lifting device 2 allows the insertion portion 23a of the anchor plate coupling device 22 fixed to the lower side of the frame body 21 to be inserted into the first through hole 31c formed in the standing plate portion 31b of the anchor plate 3. Thus, the anchor plate 3 fixed to the slab block 18 can be connected. Further, the slab block lifting device 2 can release the connection with the anchor plate 3 by pulling out the insertion portion 23a described above from the first through hole 31c. For this reason, the efficiency of the connection of the slab block lifting device 2 and the anchor plate 3 can be improved. And the health damage of an operator can be suppressed by the part for which the time concerning connection with the slab block lifting device 2 and the anchor plate 3 decreases.

  In some other embodiments, the anchor plate connecting device 22 includes the above-described through-hole inserting device 23 and the connecting member 24 having the above-described first plate portion 24a as shown in FIG. I have. The slab block lifting device 2 is detachably connected to the anchor plate 3 by inserting the insertion portion 23a into the first through hole 31c and then into the second through hole 24b.

  According to the above configuration, the slab block lifting device 2 is supported in a state where the insertion portion 23a of the through-hole insertion device 23 suspends the anchor plate 3 when the slab block lifting device 2 is lifted by the lifting machine while being connected to the anchor plate 3. doing. Since the insertion portion 23a is supported by the inner peripheral surface of the second through hole 24b of the connecting member 24, the through hole insertion device 23 is increased in size and weight because it is not necessary to support the anchor plate 3 only by the insertion portion 23a. Can be suppressed.

  Further, in some other embodiments, the anchor plate coupling device 22 includes the above-described through-hole insertion device 23 and the above-described first plate portion 24a and second plate portion 24c as shown in FIG. And a connecting member 24. The slab block lifting device 2 is configured such that the insertion portion 23a has the third through hole 24d, the second plate portion 31b, and the insertion portion 23a in the state where the standing plate portion 31b of the anchor plate 3 is inserted between the first plate portion 24a and the second plate portion 24c. The first through hole 31c and the second through hole 24b are inserted in this order.

  According to the above configuration, the slab block lifting device 2 is supported in a state where the insertion portion 23a of the through-hole insertion device 23 suspends the anchor plate 3 when the slab block lifting device 2 is lifted by the lifting machine while being connected to the anchor plate 3. doing. Since the insertion portion 23a is supported by the inner peripheral surface of the second through hole 24b and the inner peripheral surface of the third through hole 24d of the connecting member 24, the size and weight of the through hole insertion device 23 are increased accordingly. Can be suppressed.

  In some other embodiments, the guide 32 includes the bottom 32a described above and the tip 32b having the inclined surface 32c or the inclined ridge as described above, as shown in FIGS. It is out. The sling guide 21c has the above-described guided surface 21d or guided ridge portion 21e as shown in FIGS. In this case, since the slab block lifting device 2 is positioned with respect to the anchor plate 3 by the guide guide 32 and the sling guide 21c, the slab block lifting device 2 and the anchor plate 3 can be easily aligned and connected. Can do. For this reason, a worker's health hazard can be suppressed.

  In some other embodiments, the slab block lifting device 2 includes the above-described turning device 26 as shown in FIGS. In this case, the slab block lifting device 2 is provided with a turning device 26 for enabling turning in a state where the slab block lifting device 2 is suspended from the lifting machine. Alignment and connection can be easily performed. For this reason, a worker's health hazard can be suppressed.

  In some other implementations, the roof slab lifting system 1 further comprises a securing pin 4 as shown in FIGS.

  The fixing pin 4 includes a body part 41, a locking part 42, and a fastening part 43 as shown in FIGS. As shown in FIG. 7A, the body portion 41 is formed in a prismatic shape having a length in the vertical direction in the figure, and is formed with a U-shaped notch that opens downward. As shown in FIG. 7, the locking portion 42 is formed in a long plate shape, and the central portion in the length direction is rotatably connected to the lower end portion of the body portion 41 by the rotating portion 4 a. Yes. In addition, the locking portion 42 can insert a longitudinal end portion 42 a into the body portion 41, and the pair of longitudinal end portions 42 a can move with respect to the longitudinal direction of the body portion 41 by its own weight. They extend in opposite directions along the vertical direction. As shown in FIG. 7, the fastening portion 43 is formed in a long bar shape having a length along the length direction of the body portion 41, and a lower end portion is fixed to an upper end portion of the body portion 41. . As shown in FIG. 7, the fastening portion 43 is formed with a male screw portion 43 a on the outer periphery to which the nut member 44 and the holding member 45 can be screwed.

  Next, fixation of the anchor plate 3 and the slab block 18 by the fixing pin 4 will be described with reference to FIG. First, as shown in FIG. 8, the slab block 18 is formed with a fifth through hole 18 a that is used for fixing to the anchor plate 3 and penetrates along the thickness direction. The fixing pin 4 is such that at least a part of the body portion 41 and the locking portion 42 are connected to the frame member 31 in a state where one end portion 42 a in the length direction of the locking portion 42 is inserted inside the body portion 41. The fourth through hole 31d and the fifth through hole 18a of the slab block 18 are inserted.

  And when the rotation part 4a protrudes below the lower surface 18c of the slab block 18, the pair of front-end | tip parts 42a of the length direction of the latching | locking part 42 are fixed to the length direction of the trunk | drum 41 by the self-weight. On the other hand, they extend in opposite directions along a direction perpendicular to the lower surface 18 c of the slab block 18. The fixing pin 4 is fastened by screwing the nut member 44 and the holding member 45 to the male screw portion 43a of the fastening portion 43 in a state where the pair of tip portions 42a of the locking portion 42 are locked to the lower surface 18c. Thereby, the anchor plate 3 is fixed to the slab block 18 by the locking portion 42 and the fastening portion 43 of the fixing pin 4 sandwiching the anchor plate 3 and the slab block 18.

  Moreover, in some other embodiments, the roof slab lifting system 1 includes the slab block lifting device 2 described above, the anchor plate 3 described above, and the above-described anchor plate 3 as shown in FIGS. A fixing pin 4 is provided. The frame member 31 has the above-described fourth through hole 31d as shown in FIGS. The slab block 18 has the fifth through hole 18a described above. Further, the anchor plate 3 is fixed to the slab block 18 by the fixing pin 4 being inserted through the fourth through hole 31d and the fifth through hole 18a and sandwiching the anchor plate 3 and the slab block 18. According to said structure, since the anchor plate 3 and the slab block 18 are fixed firmly, the time concerning conveyance of the slab block 18 can be decreased, and a health hazard of an operator can be suppressed.

  In some other embodiments, the fixing pin 4 includes the body portion 41 described above, the locking portion 42 described above, and the fastening portion 43 described above as shown in FIGS. It is out. The fixing pin 4 is in a state in which at least a part of the body portion 41 and the locking portion 42 are inserted through the fourth through hole 31d and the fifth through hole 18a and the locking portion 42 is locked to the slab block 18. Thus, when the fastening portion 43 is fastened, the locking portion 42 and the fastening portion 43 sandwich the anchor plate 3 and the slab block 18. In this case, since the anchor plate 3 and the slab block 18 can be fixed by the fixing pin 4, it is possible to reduce the time required for fixing the anchor plate 3 and the slab block 18, and to suppress the health damage of the worker. be able to.

  Next, the raising / lowering of the slab block 18 by the linear motion expansion / contraction device 25 of the slab block lifting device 2 will be described with reference to FIG. Here, FIG. 10 is a view showing a state in which the slab block is lifted above the roof slab by the linear motion expansion / contraction device of the slab block lifting device in one embodiment of the present invention.

  First, the slab block lifting device 2 and the anchor plate 3 are connected using the anchor plate connecting device 22. Next, when the linear motion expansion / contraction part 25a of the linear motion expansion / contraction apparatus 25 performs a forward movement projecting from the linear motion expansion / contraction apparatus main body 25b, the linear motion expansion / contraction part 25a has a protruding top end as shown in FIG. It contacts the floor surface 20a of the slab 20. When the linear motion expansion / contraction part 25a performs forward movement even after coming into contact with the floor surface 20a, an upward push-up force is applied to the linear motion expansion / contraction device body 25b. The lifting force is transmitted to the anchor plate 3 and the slab block 18 connected to the slab block lifting device 2. Then, as shown in FIG. 10, the slab block 18 is lifted above the floor surface 20 a of the roof slab 20 as the linear motion expansion / contraction device main body 25 b rises. In addition, when the linear motion expansion / contraction part 25a of the linear motion expansion / contraction device 25 performs a backward movement that enters the linear motion expansion / contraction device body 25b, the slab block 18 is lowered as the linear motion expansion / contraction apparatus body 25b descends.

  In some other embodiments, the slab block lifting device 2 includes the above-described linear motion expansion / contraction device 25 as shown in FIGS. 1 to 4, 10, 11, and 13.

  According to said structure, the edge cutting of the slab block 18 can be confirmed with the slab block lifting apparatus 2. FIG. In some cases, the slab block lifting device 2 can perform edge cutting by lifting the slab block 18. And since the slab block lifting device 2 can confirm the edge cutting before transporting the slab block 18, it is possible to improve the efficiency of transporting the slab block 18. And the health damage of an operator can be suppressed by the part for which the time concerning conveyance of the slab block 18 decreases.

  FIG. 12 is a schematic diagram schematically showing a configuration diagram of a control system of the slab block lifting device in one embodiment of the present invention. FIG. 13 is an explanatory diagram for explaining an imaging device in the roof slab lifting system according to the embodiment of the present invention.

  In some other embodiments, the slab block lifting device 2 is configured to be remotely operable as shown in FIG. More specifically, the slab block lifting device 2 includes a control panel 5 (see FIG. 2) disposed inside the frame body 21 as shown in FIG. 12, and a first disposed inside the control panel 5. A control device 51, a device-side wireless device 52 (wireless device) that is provided in the slab block lifting device 2 and is connected to the first control device 51, and a driving force generator 7 that is disposed inside the frame 21; It is equipped with. Further, the operation chamber 6 located at a position away from the slab block lifting device 2 is provided in the operation chamber 6 and the second control device 61 disposed inside the operation chamber 6 as shown in FIG. The operation room side wireless device 62 connected to the second control device 61 and the second input / output device 63 disposed inside the operation chamber 6 and connected to the second control device 61 are provided.

  The driving force generator 7 generates driving force for the anchor plate coupling device 22, the linear motion extender 25, and the turning device 26, and includes, for example, a diesel generator or a compressor. The device-side wireless device 52 and the operation room-side wireless device 62 are configured to be able to transmit and receive signals to each other even if they are arranged at positions separated from each other. Each of the first control device 51 and the second control device 61 is provided with a signal input unit, a signal output unit, a storage unit, a calculation unit, and the like (not shown). The first control device 51 is connected to the anchor plate coupling device 22, the linear motion expansion / contraction device 25, and the turning device 26.

  The first control device 51 includes signals sent from the anchor plate coupling device 22, the linear motion expansion / contraction device 25, the turning device 26, and the driving force generation device 7, and wireless devices (device-side wireless device 52 and operation room-side wireless device 62). The anchor plate coupling device 22, the linear motion expansion / contraction device 25, the turning device 26, and the driving force generation device 7 are controlled based on signals sent from the second control device 61 and the second input / output device 63 via Is what you do. The first control device 51 sends signals to the second control device 61 and the second input / output device 63 via the wireless devices (device-side wireless device 52 and operation room-side wireless device 62). With the above-described configuration, the operator operates the second input / output device 63 in the operation chamber 6 away from the slab block lifting device 2, so that the anchor plate coupling device 22, the linear motion expansion / contraction device 25, and the turning device 26 are operated. In addition, the driving force generator 7 can be remotely operated.

  In some other embodiments, the slab block lifting device 2 further includes a first input / output device 53 detachably connected to the first control device 51, as shown in FIG. In this case, the operator operates the first input / output device 53 in the vicinity of the slab block lifting device 2 to thereby generate the anchor plate connecting device 22, the linear motion expansion / contraction device 25, the turning device 26, and the driving force generation. The device 7 can be operated.

  In some other embodiments, the anchor plate coupling device 22 and the linear motion extension device 25 described above are configured to be remotely operable. The slab block lifting device 2 includes the device-side wireless device 52 described above as shown in FIG. In this case, the operator can confirm the edge cutting of the slab block 18 or transport the slab block 18 by remote control from a place away from the slab block lifting device 2. For this reason, a worker's health hazard can be suppressed.

  In some other embodiments, the slab block lifting device 2 includes a first imaging device 8 that captures the vicinity of the connection point between the slab block lifting device 2 and the anchor plate 3 as shown in FIG. And a second imaging device 9 that captures the vicinity of the place where the linear motion expansion / contraction device 25 is placed on the roof slab 20. The first imaging device 8 and the second imaging device 9 are connected to the first control device 51 so that information such as imaging information can be transmitted to the first control device 51. In this case, since the operator can confirm the connection state with the anchor plate 3 and the operation state of the linear motion expansion / contraction device 25 from a position away from the slab block lifting device 2, the edge cutting confirmation or slab can be confirmed by remote control. The block 18 can be transported efficiently.

  In some embodiments described above, the slab block lifting device 2 includes the first imaging device 8 and the second imaging device 9, but the anchor plate 3 is used for the first imaging device 8 and the second imaging device 9. May be provided. Similarly, the anchor plate 3 may include a third imaging device 10 described later.

  In some other embodiments, the slab block lifting device 2 includes the third imaging device 10 that photographs the vicinity of the sling guide 21c in order to confirm the positional relationship between the guide guide 32 and the sling guide 21c. . The third imaging device 10 is connected to the first control device 51 so that information such as imaging information can be transmitted to the first control device 51. In this case, the slab block lifting device 2 includes the third imaging device 10 that captures the vicinity of the sling guide 21c in order to confirm the positional relationship between the guide guide 32 and the sling guide 21c. 2 and the anchor plate 3 can be easily aligned and connected. For this reason, a worker's health hazard can be suppressed.

  In some other embodiments, the slab block lifting device 2 includes the above-described driving force generator 7 as shown in FIGS. In this case, the slab block lifting device 2 includes the driving force generation device 7 that generates the driving force of the anchor plate coupling device 22 and the linear motion expansion / contraction device 25 inside the frame body 21. The anchor plate coupling device 22 and the linear motion expansion / contraction device 25 can be driven at the transport destination. According to the above configuration, the worker can drive the anchor plate coupling device 22 and the linear motion expansion / contraction device 25 even when the slab block lifting device 2 is disposed in a remote place away from the worker.

  The present invention is not limited to the above-described embodiments, and includes forms obtained by modifying the above-described embodiments and forms obtained by appropriately combining these forms.

DESCRIPTION OF SYMBOLS 1 Roof slab lifting system 2 Slab block lifting device 21 Frame 21a Vertical frame member 21b Horizontal frame member 21c Sled guide 21d Guided surface 21e Guided ridgeline part 21f Wire attachment part 21g Wire attachment hole 21h Frame main body 22 Anchor plate coupling device 23 Through-hole inserting device 23a Inserting portion 23b Inserting device main body 24 Connecting member 24a First plate portion 24b Second through-hole 24c Second plate portion 24d Third through-hole 24e Bottom plate portion 25 Direct acting telescopic device 25a Direct acting telescopic portion 25b Direct acting Telescopic device body 26 Swivel device 3 Anchor plate 31 Frame member 31a Bottom plate portion 31b Standing plate portion 31c First through hole 31d Fourth through hole 31e Cylindrical protruding portion 31f Side plate portion 32 Guide guide 32a Bottom portion 32b Tip portion 32c Inclined surface 32d Body part 4 Fixing pin 4a Rotating part 41 Body part 42 Locking part 42a Tip portion 43 Fastening portion 43a Male thread portion 44 Nut member 45 Holding member 5 Control panel 51 First control device 52 Device-side radio device 53 First input / output device 6 Operation chamber 61 Second control device 62 Operation chamber-side radio device 63 2 I / O device 7 Driving force generator 8 First imaging device 9 Second imaging device 10 Third imaging device 18 Slab block 18a Fifth through hole 18b Upper surface 18c Lower surface 19 Roof slab disassembly method 20 Roof slab 20a Floor surface

Claims (13)

A roof slab lifting system for transporting a substantially rectangular plate-shaped slab block formed by cutting a roof slab vertically and horizontally with a lifting machine,
The roof slab lifting system is
An anchor plate having a guide and fixed to the slab block;
A slab block lifting device that is detachably connected to the anchor plate in a state of being suspended from the lifting machine, the slab block lifting device having a sling guide guided by the guide guide. A roof slab lifting system. The anchor plate comprises at least one frame member;
The frame member has at least one standing plate having a bottom plate portion fixed to the slab block and a first through hole formed in a plate shape standing on the bottom plate portion and penetrating along the thickness direction. A plate portion,
The slab block lifting device includes a frame and at least one anchor plate coupling device fixed to the lower side of the frame,
2. The roof slab lifting system according to claim 1, wherein the anchor plate coupling device includes a through-hole insertion device having an insertion portion that can be inserted into the first through-hole. The anchor plate coupling device further includes a coupling member having a plate-like first plate part in which a second through-hole penetrating along the thickness direction is formed,
The slab block lifting device is detachably connected to the anchor plate by inserting the insertion portion into the second through hole after the insertion portion is inserted into the first through hole. Roof slab lifting system. The connecting member is a plate-like second plate portion disposed to face the first plate portion, and includes a second plate portion in which a third through-hole penetrating along the thickness direction is formed. Have
The slab block lifting device is configured such that the insertion portion is the third through hole, the first through hole, and the state in which the standing plate portion is inserted between the first plate portion and the second plate portion. It inserts in order of a 2nd through-hole, The roof slab lifting system of Claim 3 characterized by the above-mentioned. The roof slab lifting system further includes a fixing pin for fixing the slab block and the anchor plate,
The frame member has at least one fourth through hole penetrating in the bottom plate portion along a thickness direction of the bottom plate portion,
The slab block has at least one fifth through-hole penetrating along the thickness direction of the slab block,
The anchor plate is fixed to the slab block by the fixing pin passing through the fourth through hole and the fifth through hole and sandwiching the anchor plate and the slab block. The roof slab lifting system according to any one of claims 2 to 4. The fixing pin is
The torso,
A locking portion having a pair of tip portions that are pivotally connected to the lower end portion of the body portion and extend to opposite sides along a direction perpendicular to the length direction of the body portion due to its own weight. When,
A fastening portion that is fixed to the upper end portion of the body portion and is provided so that a nut member can be screwed together,
At least a part of the body portion and the locking portion are inserted through the fourth through hole and the fifth through hole, and the fastening portion is fastened with the locking portion locked to the slab block. The roof slab lifting system according to claim 5, wherein the locking portion and the fastening portion sandwich the anchor plate and the slab block.   The slab block lifting device is a linear motion expansion / contraction device fixed to the frame body, and is capable of lifting the slab block upward from the roof slab while being placed on the roof slab. The roof slab lifting system according to any one of claims 2 to 6, further comprising: The anchor plate coupling device and the linear motion extension / contraction device are configured to be remotely operable,
The roof slab lifting system according to claim 7, wherein the slab block lifting device further includes a wireless device for remotely operating the anchor plate coupling device and the linear motion telescopic device.   The slab block lifting device images a first imaging device that captures the vicinity of a connection location between the slab block lifting device and the anchor plate, and a second image that captures the vicinity of the placement location of the linear motion telescopic device on the roof slab. The roof slab lifting system according to claim 8, further comprising an imaging device.   The slab block lifting device is a driving force generating device disposed inside the frame, and further includes a driving force generating device that generates the driving force of the anchor plate coupling device and the linear motion expansion / contraction device. The roof slab lifting system according to claim 8 or 9, characterized by the above. The guide guide is a bottom fixed to the frame member, and a tip protruding from the bottom opposite to the slab block. A tip portion having a portion,
The said sling guide is fixed to the lower side of the said frame, and has the surface or ridgeline part guided to the said inclined surface or the said inclined ridgeline part, The any one of Claims 2-10 characterized by the above-mentioned. The roof slab lifting system described in 1.   The slab block lifting device further comprises at least one turning device for enabling turning in a state where the slab block lifting device is suspended from the lifting machine. Roof slab lifting system.   The said slab block lifting apparatus is further equipped with the 3rd imaging device which image | photographs the said sling guide vicinity, in order to confirm the positional relationship of the said guide guide and the said sling guide. Roof slab lifting system.

Images