JP3230370U - Lifting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and easily install on a rooftop where piping and wiring are provided, to perform stable work, to have a compact structure, a small number of parts, to be disassembled and assembled, and to significantly reduce costs. To provide a lifting device capable of SOLUTION: The lifting device has a downward U-shaped fixing member 1 straddling the top surface of a protective fence W provided on the peripheral edge of the roof and being fixed to the protective fence W, and the fixing member 1 thereof. On the inner plate 1c of the above, at least two stretchable legs on the left and right and intermediate legs 9 for axial stability are provided between the two stretchable legs so as to be pivotally attached to the head 9a. At the same time, the support shaft pin 4 is inserted and fitted into the support hole 6 on the bottom surface of the arm 5 via a washer 3 that allows the arm to rotate on the top surface of the fixing member 1. [Selection diagram] Fig. 1

Description

The present invention relates to an installation structure of a lifting device, particularly an installation structure of a lifting device used for lifting a heavy object or lowering it to the ground or an intermediate floor by setting it on the roof of a high-rise building.

Conventionally, especially for the replacement of windowpanes in high-rise buildings, replacement flat glass, which is relatively small in size and light in weight, can be carried to the relevant floor using an elevator. However, laminated glass that can withstand wind pressure and takes into consideration light shielding and the like has a large size and often weighs more than 250 kg, so that an elevator cannot be used.

Therefore, it is conceivable to use a crane, which is a type of lifting machine, to lift the target glass to the relevant floor using a jib crane, but at present, the distance between high-rise buildings, especially in apartments, between adjacent high-rise buildings. Is narrow and it is difficult to use the crane freely. In addition, in order to install the crane on site, it is necessary to transport and assemble the disassembled crane into multiple parts, and transport each part. Therefore, it is necessary to park multiple trucks, which makes the work extremely difficult due to restrictions on road use.

In addition, even if a lifting machine is installed on the roof of a high-rise building for work, air conditioning equipment is currently widespread in the high-rise building, and many pipes and electric cords for that purpose are displayed on the roof. Stable installation of the lifting machine is also restricted, and it is not possible to set a suitable state.

The applicant searched the preceding technical documents regarding the invention of the present application, but could not find any documents that seemed to be particularly related to or similar to the invention of the present application.

The problem to be solved by the present invention is that if a high-rise building cannot be equipped with a crane or an elevator when lifting or lowering a heavy object, it can be deployed on the rooftop to the existing equipment. The point is that there is no equipment or installation structure that enables lifting work without interference and without damage.

In order to solve the above problems, the installation structure of the lifting device according to the present invention straddles the top surface of the protective fence provided on the peripheral edge of the roof and is fixed in a downward U-shape fixed to the protective fence. On the inner plate of the protective fence of the protective fence having a member, at least two stretchable legs on the left and right and an intermediate leg for axial stability are placed between the two stretchable legs. Each of them is provided so as to be pivotally attached to the head, and a support shaft pin is inserted and fitted into a support hole on the bottom surface of the arm via a washer that enables the arm to rotate on the top surface of the fixing member. ..

Further, the installation structure of the lifting device according to the present invention is characterized in that the upper surface of the washer is an inclined surface that descends toward the inside of the protective fence, and the support hole of the arm is elliptical. It is characterized by being.

Further, in the installation structure of the lifting device according to the present invention, the two left and right legs are each formed of square pipes, and connecting members of different sizes are slidable for length adjustment. The length is positioned and locked by a lock pin that penetrates the communication part of the through hole formed in each, and the left and right legs are fixed with a flat bar to maintain the height and spacing. It is characterized in that a triangular reinforcing member is provided at a corner portion of the upper part of the inner surface of the fixing member.

The lifting device installation structure according to the present invention is such that the fixing member is fixed to the protective fence by providing a rubber plate on the inner wall of the outer plate which is the outside of the protective fence of the fixing member. A rubber plate that advances and retreats by operating a handle is provided on the intermediate leg of the inner wall surface of the above, and the protective fence is sandwiched between the rubber plates.

Further, in the installation structure of the lifting device according to the present invention, a balance weight is provided at the other end of the arm in a hanging state, the balance weight is a flat plate capable of polymerization, and belt loops are provided at both ends thereof. It is characterized in that the balance weight is fastened to the arm by a belt inserted into the belt loop, and the balance weight described above is mounted on a pedestal provided with support legs at four corners. It is said.

Further, the installation structure of the lifting device according to the present invention is characterized in that an angle member having an L-shaped cross section is provided on the upper surface of the arm to prevent the belt from being displaced, and can be disassembled and assembled. It is characterized by being.

The installation structure of the lifting device according to the present invention is configured as described above. Therefore, even if it is on the rooftop where piping and wiring are provided, it can be easily and easily installed by avoiding these and using the existing protective fence as a load bearing, and stable work is performed. be able to. In addition, the installation structure of this lifting device has a compact structure, requires a small number of parts, and can be disassembled and assembled, so that the cost can be significantly reduced.

It is a partial cross-sectional side view which shows the support part of the installation structure of the lifting device which concerns on this invention. It is also a front view. It is also a plan view. It is a figure which shows the articulation structure of an arm. It is a bottom view which shows the support hole of an arm. It is a front view which shows the mounting structure of a balance weight. It is the same side view. It is a figure which shows the stand.

It was realized by showing it as a drawing and configuring it as described in the examples.

Next, an example of preferable implementation of the present invention will be described with reference to the drawings. In the figure, W indicates a protective fence (wall) provided on the peripheral edge of the roof. Above the protective fence W, a fixing member 1 that straddles the top surface of the protective fence W and is fixed to the protective fence W is provided. The fixing member 1 has a downward U-shape, with an outer plate 1b located outside the protective fence W at one end of the top plate 1a and an inner plate located inside the protective fence W at the other end. Has 1c.

Further, in the inner corner portion formed by the top plate 1a, the outer plate 1b and the inner plate 1c of the fixing member 1, the reinforcing members 2 and 2 having a triangular shape for preventing the fixing member 1 from being deformed or distorted. Is provided. Further, the fixing member 1 is arranged above the fence or the cap tree if it is provided on the top surface of the protective fence W, and the outer plate 1b and the inner plate 1c reach the concrete wall. Is desirable.

A washer 3 is fixedly attached to the upper surface of the top plate 1a of the fixing member 1, and the upper surface of the washer 3 is formed with a smooth inclined surface that is inclined downward toward the inside of the protective fence W. The angle of this inclined surface may be about 1: 1.03 as a ratio of the inner height to the outer height, and the arm described later is inclined toward the inside of the protective fence W so that the load on the arm is applied. This is to prevent it from getting on the outside of the protective fence W.

A support shaft pin 4 projects upward at right angles to the top plate 1a in the washer 3, and is inserted into a support hole 6 formed in the bottom surface of an arm 5 formed of a square pipe into the support shaft pin 4. It is fitted, supports one end side of the arm 5, and the arm 5 is attached.

Further, the support hole 6 is an elliptical hole having a long axis formed along the longitudinal direction of the arm 5, and the arm 5 is effectively supported in combination with the inclined surface of the upper surface of the washer 3, and the support hole 6 is formed. The opening edge of the washer is prevented from being damaged by contact with the support shaft pin 4, and the smoothness of the upper surface of the washer 3 and the support shaft pin 4 allow the arm 5 to rotate. If the arm 5 is swiveled, the distance between the arm 5, particularly the tip protruding outward and the protective fence W will be different. To correct this, a plurality of support holes 6 are provided in a row, which is optimal. Can be adopted.

On the other hand, the inner plate 1c of the fixing member 1 is provided with two left and right legs 7 and 8 so as to be pivotally movable at its head, and further, in the middle of the two left and right legs 7 and 8. An intermediate leg 9 for axial stability is also provided pivotally at its head. The two left and right leg bodies 7, 8 and the intermediate leg 9 are formed of a square pipe, and the heads 7a, 8a, 9a pivotally attached to the inner plate 1c are extended flat plates.

The left and right legs 7 and 8 and the intermediate legs are provided with through holes 7b ..., 8b ..., 9b ... at defined pitches, respectively, and connecting members 7c of different sizes are provided below the left and right legs 7 and 8 respectively. , 8c are provided so as to be slidable, and the connecting members 7c and 8c are also provided with through holes 7d and 8d. And 8d are communicated with each other and locked with a pin to determine the height of each of the legs 7 and 8.

When the left and right legs 7 and 8 are pivotally moved to open the legs including height adjustment, a flat bar 10 is erected between the legs 7 and 8 in order to fix the legs and the height. Will be done. This erection is performed by using the through holes 7b and 8b to penetrate the through holes and the pins formed in the flat bar 10. The flat bars 10 can be installed not in one place but in a plurality of places to enhance stability.

Regarding the fixing of the fixing member 1 to the protective fence W, a rubber plate (pad) 11 is fixedly attached to the inner surface of the outer plate 1b of the fixing member 1 and abuts on the outer surface of the protective fence W, while the fixing member 1 is fixed to the outer surface of the protective fence W. A rubber plate (pad) 12 is provided inside the upper position of the intermediate leg 9 via a bolt 13 through which the through hole 9b is inserted, and a rotary handle 14 is provided at one end of the bolt 13 on the outside of the intermediate leg 9. Is attached, the rubber plate 12 is brought into contact with the inner surface of the protective fence W by rotating the rotary handle 14, and the protective fence W is provided by the two rubber plates 11 and 12 by tightening the rotary handle 14. Is pinched and the position is fixed.

The structures of the left and right leg bodies 7, 8 and the intermediate leg 9 are arranged in the vicinity of the protective fence W. One of the reasons for this is that there is usually no piping or the like at this location, but the arm 5 is also supported in the vicinity of the protective fence W. It should be noted that the structure of each of the legs 7 and 8 can be attached by forming a wing in the middle of the arm 5 as needed to further ensure stability.

Further, the arm 5 can be brought into contact with the flanges 5a and 5a as needed and bolted to replenish the length. In addition, as with the legs 7, 8 and 9, it is also possible to connect connecting materials of different sizes by sliding using the fact that they are square pipes, and fix the length with pins, bolts, etc. it can.

Balance weights 15, 15 ... Are suspended on the other end of the arm 5 in order to maintain stability and maintain balance. The balance weight 15 is preferably flat, because it can be easily placed on a stand, which will be described later, and can be easily stacked. This can be a flat plate-shaped container filled with weighed sand, gravel, etc. If the weight of a single item is determined, the required quantity for balancing the arm 5 is also calculated. It will be easier.

Belt loops 16 and 16 are provided at both ends of the balance weight 15, and the belt loops 16 and 16 can also act as handles during transportation. If necessary, the balance weights 15 and 15 ... Are used alone or in combination of two or more, the hanging belt 17 is passed through the belt loops 16 and 16 ..., and the balance weights 15 and 15 ... Are hung on the arm 5. Suspend. The presence of the balance weights 15, 15, ... Can prevent the arm 5 from tilting outward from the protective fence W.

Further, regarding the rotation of the belt 17 to the arm 5, since the arm 5 is in a state of being tilted toward the inside of the protective fence W, the belt 17 may slip on the upper surface of the arm 5 and cause misalignment. Therefore, an angle member 18 having an L-shaped cross section is fixedly fixed on the upper surface of the arm 5, and a belt 17 is hung on the angle member 18 to prevent misalignment. It should be noted that a plurality of the angle members 18 can be arranged in a row, and an appropriate one can be selected and used.

Further, the balance weights 15, 15 ... Can be used by being mounted on the upper surface of the pedestal 19. This pedestal 19 has a structure in which support legs 20, 20 ... Are provided at four corners in order to avoid piping on the roof, and handles 21 and 21 for transportation are provided at both ends thereof to be porous. ..

The installation structure of the lifting device according to the present embodiment is configured as described above, and a pulley mechanism (not particularly shown) is attached to the tip of the arm 5 protruding outward of the protective fence W, and the arm 5 is positioned at an appropriate position. A wire rope from a winch (not shown) provided can be hung outside the protective fence W to be used for lifting and lowering heavy objects.

The installation structure of the lifting device according to this embodiment is configured and used as described above. Laminated glass is given as an example as an object, but regardless of this, heavy furniture that is difficult to transport by an elevator is also targeted, and it is easy to transport materials and tools even when moving or remodeling work. Become.

1 Fixing member 1a Top plate 1b Outer plate 1c Inner plate 2 Reinforcing member 3 Seat metal 4 Support shaft pin 5 Arm 5a Flange 6 Support hole 7, 8 Leg body 9 Intermediate leg 7a, 8a, 9a Head 7b, 8b, 9b Through hole 7c, 8c Connecting material 7d, 8d Through hole 10 Flat bar 11, 12 Rubber plate 13 Bolt 14 Handle 15 Balance weight 16 Belt loop ring 17 Belt 18 Angle material W Protective fence

Claims (10)

It straddles the top surface of the protective fence provided on the peripheral edge of the roof, has a downward U-shaped fixing member fixed to the protective fence, and has at least two left and right on the inner plate of the protective fence of the fixing member. An intermediate leg for axial stability is provided between the stretchable leg of the book and the two stretchable legs so that it can be pivotally attached to the head, and the arm is swiveled on the top surface of the fixing member. An installation structure for a lifting device, characterized in that a support shaft pin is inserted and fitted into a support hole on the bottom surface of the arm via a seat that enables it. The installation structure of the lifting device according to claim 1, wherein the upper surface of the washer is an inclined surface that descends toward the inside of the protective fence. The installation structure of the lifting device according to claim 1, wherein the support hole of the arm has an elliptical shape. The two left and right legs are each formed of square pipes, and connecting members of different sizes are slidable for length adjustment, and the length is the communication part of the through holes formed in each. The lifting device installation structure according to claim 1, wherein the left and right legs are positioned and locked by a penetrating lock pin, and the left and right legs are fixed by a flat bar in order to maintain the height and the distance. The lifting device installation structure according to claim 1, wherein a triangular reinforcing member is provided at a corner portion of an upper portion of the inner surface of the fixing member. To fix the fixing member to the protective fence, a rubber plate is provided on the inner wall of the outer plate which is the outside of the protective fence of the fixing member, and the intermediate leg of the protective fence is operated by a handle. The lifting device installation structure according to claim 1, wherein a rubber plate that moves forward and backward is provided, and the protective fence is sandwiched between the rubber plates. A balance weight is provided at the other end of the arm in a vertically suspended state, and the balance weight is provided as a flat plate capable of polymerization, and belt loops are provided at both ends thereof, and a belt inserted through the belt loop is provided. The installation structure of the lifting device according to claim 1, wherein the lifting device is fastened to an arm. The installation structure of the lifting device according to claim 7, wherein the balance weight is mounted on a stand provided with support legs at four corners. The lifting device installation structure according to claim 7, wherein an angle member having an L-shaped cross section is provided on the upper surface of the arm to prevent the belt from being displaced. The installation structure of the lifting device according to claim 1, wherein the lifting device can be disassembled and assembled.

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