JP2008308897A - Support device for safety belt - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a support device for a safety belt capable of securing the safety of a worker, easily attachable by utilizing the bolts on an existing slate roof, and capable of increasing the working area of the worker in a roof construction or a roof repair construction. <P>SOLUTION: This support device for a safety belt comprises: a main member 1 formed in a generally L-shape in cross section by a bottom plate part 11 in which a plurality of bottom through holes 111 are longitudinally formed and rised plate parts 12 in which a plurality of through holes 12 are longitudinally formed; and auxiliary members 2. A generally square frame body is formed of two main members 1, 1 disposed generally parallel to each other and two auxiliary members 2, 2 disposed generally parallel to each other. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention supports a safety belt or the like that can ensure the safety of a worker and can be easily installed using a bolt such as an existing slate roof and can widen the work range of the worker in roof or roof renovation work. Concerning ingredients.

Workers must be secured in the construction of new roofs and in roof construction that repairs aging existing roofs. For this reason, workers are required to wear safety belts. In this safety belt, a hook attached to the lifeline is hooked to a nearby steel frame or a rope stretched between the steel frames. In a new construction site, as disclosed in the patent literature, facilities for attaching a safety belt are provided, and a safe construction work environment can be ensured.
JP-A-2005-61106

  The technical content disclosed in Patent Document 1 (Japanese Patent Application Laid-Open No. 2005-61106) is easily applied to a new construction site. However, in the construction of repairing an old roof that has deteriorated, it is quite difficult to have a portion for hooking a hook at the tip of a safety belt (lifeline), which is disclosed in Patent Document 1. Is difficult to apply. In such a work environment where it is difficult to wear a safety belt, it is extremely difficult for the worker to wear the safety belt. Moreover, the worker must ensure that the work range is relatively wide while wearing the safety belt.

  Also, usually, a relatively solid steel frame of a building structure or a dedicated pole is provided, a master rope is stretched between these facilities, and a hook of a safety belt is hooked on this master rope to work. A member moves along the master line. However, in the repair work of the existing roof, there are cases where there is no facility for handing over the master rope. In such a case, the worker has to find a suitable place for the hook of the safety belt and hook it.

  For this reason, workers can only work within the range where the safety belt is hooked and the length of the safety belt, and therefore it is necessary to remove or hook the hook of the safety belt one by one from the installation location. For this reason, the construction efficiency is lowered, and the work must be performed in a dangerous state. The problem (technical problem or purpose) to be solved by the present invention is that a facility for attaching a hook at the tip of a safety belt (lifeline), such as repair work for an old roof in addition to a new roof. It is to realize that a part of the existing roof is used even on a site that does not exist, and that the worker's work range is secured widely.

  Therefore, as a result of intensive studies and researches, the inventor has made the invention of claim 1 a base plate portion in which a plurality of bottom side through holes are formed along the longitudinal direction, and a longitudinal direction. A main member having a substantially L-shaped cross section by a rising side plate portion in which a plurality of rising through holes are formed along with the sub member, and the two main members and the two sub members arranged substantially in parallel. The above-mentioned problems have been solved by using a support such as a safety belt in which a substantially rectangular frame is formed by a member. According to a second aspect of the present invention, in the above-described configuration, the interval between the bottom side through holes of the bottom side plate portion corresponds substantially to the arrangement interval of the screw shaft portions for fixing the roof plate protruding from the top of the roof. The above-mentioned problem was solved by using a support device such as a safety belt.

  According to a third aspect of the present invention, the above-described problem is solved by using a support tool such as a safety belt in which the bottom side through hole of the bottom side plate portion of the main member is a long hole in the above-described configuration. According to a fourth aspect of the present invention, in the above-described configuration, the auxiliary member has a substantially L-shaped cross section, and the bottom side plate portion and the rising side plate portion are formed with a bottom side through hole and a rising through hole. By using a support tool, the above problems were solved. According to a fifth aspect of the present invention, there is provided the above-described problem in the above-described configuration, wherein an eye nut is attached to the through-hole, and a safety band hook is secured through the eye nut. Solved.

  According to the first aspect of the present invention, the slate roof has a substantially rectangular frame-like body, and a plurality of through holes are formed in the main member and the sub member, regardless of whether they are newly installed or existing. Or it can mount | wear very easily using the volt | bolt for roof plate fixation which protrudes from the top surface of this roof like a folded-plate type roof. Such a bolt is a hook bolt if it is a slate roof having a corrugated cross section, and if it is a folded plate roof, it is a screw shaft or the like attached to a metal fitting. Furthermore, since the present invention is a substantially rectangular frame-like body, particularly when installed on a slate roof having a cross-sectional wave shape, the installation area is dispersed in a substantially square shape, and the weight of the support is the same as that of the slate roof. There is no intensive application at one location, and particularly fragile and fragile slate roofs are not damaged.

  According to the invention of claim 2, the interval between the bottom side through-holes of the bottom side plate portion corresponds to the arrangement interval of the screw shaft portions for fixing the roof plate protruding from the top portion of the roof, Even if the bottom through-hole is substantially circular, the position can be easily aligned with the screw shaft protruding from the top surface of the roof, and the mounting state of the support can be made extremely stable. According to invention of Claim 3, the bottom side through-hole of the said bottom side board part is formed as a long hole, The pitch of the several hook volt | bolt which supports the roof board | plate material of a slate roof of cross-sectional wave shape, and predetermined | prescribed Even if there is a slight error between the pitch of the through holes of the support tool of the present invention attached to the position of the present invention, since the through holes are formed as long holes, the pitch of the through holes on the support tool side and the slate roof It becomes easy to match the pitch with the hook bolt on the side, so that the support can be mounted very efficiently.

  According to a fourth aspect of the present invention, the auxiliary member has a substantially L-shaped cross section, and through holes are formed in the rising side plate portion and the bottom side plate portion, so that the mechanical strength of the support is further improved, and The auxiliary member of the support can be installed using the hook bolt of the slate roof, and the mounting property of the support to the roof is improved. According to invention of Claim 5, an eye nut is attached to the said through-hole, and the hook of a safety belt is latched via this eye nut, so it is much easier to latch the hook of a safety belt. And it can be done quickly.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The support tool A such as a safety belt according to the present invention includes two main members 1 and two sub members 2 as shown in FIG. The main member 1 is formed to have a substantially L-shaped cross section, and is composed of a horizontal bottom side plate portion 11 and a vertical rising side plate portion 12. A plurality of bottom side through-holes 111, 111,... Are drilled in the bottom plate portion 11 along the longitudinal direction thereof. In the rising side plate portion 12, a plurality of rising through holes 121, 121,... Are drilled along the longitudinal direction.

  The bottom through-hole 111 is formed as a long hole extending in the longitudinal direction of the bottom plate 11 (see FIG. 2A). Similarly, the rising through hole 121 is formed so as to extend in the longitudinal direction of the rising side plate portion 21 (see FIG. 2A). The long hole shape of the bottom side through hole 111 and the rising through hole 121 is a capsule shape or a substantially rectangular shape. The rising through-hole 121 is formed as a long hole, so that the area of the through-hole for locking the hook of the worker's safety belt is widened, and the hook locking operation is easily and quickly performed. As a result, work efficiency can be improved.

  In the embodiment, the plurality of bottom side through holes 111, 111,... Of the bottom side plate portion 11 are set to be substantially equal to the arrangement interval of screw shaft portions protruding from the top surface of the roof B described later [FIG. (See (A)). In this embodiment, when the support A is installed on the top of the roof B, the interval La between the plurality of bottom side through-holes 111, 111,... And the interval Lb between the screw shaft portions of the roof B are the same. The corresponding screw shaft portions can be accurately inserted into all the bottom side through holes 111, 111,..., And the support A can be easily and quickly mounted on the top of the roof B [FIG. (See (B)).

  The main member 1 and the sub member 2 can use an angle material having a general L-shaped cross section. Furthermore, a shape member in which a plurality of long holes are previously drilled may be used. Then, two main members 1 and two sub members 2 are prepared, and a support A having a substantially rectangular or square frame is formed. The main member 1 and the sub member 2 are fixed by welding means or a fixing tool such as a bolt / nut. Furthermore, as shown in FIG. 2 (C), there is an embodiment in which the reinforcing material 3 is mounted at a substantially intermediate position between the two main members 1 and 1 of the support tool A having a substantially rectangular or square frame. . The reinforcing material 3 is a member having substantially the same shape as the sub member 2.

  Similarly to the main member 1, the sub member 2 is also composed of a rising side plate portion 22 and a bottom side plate portion 21, and the rising side plate portion 22 and the bottom side plate portion 21 have a substantially L-shaped cross section. . A plurality of rising through holes 221 are formed in the rising side plate portion 22, and a plurality of bottom side through holes 211 are formed in the bottom side plate portion 21. In addition, there is an embodiment in which the rising through hole 221 and the bottom through hole 211 are not drilled in the rising side plate portion 22 and the bottom side plate portion 21 of the sub member 2.

  As shown in FIGS. 1 (B) and 2 (B), an eye nut 4 is attached to the rising through hole 121 formed in the rising side plate portion 12 of the main member 1, and a safety belt is interposed via the eye nut 4. Eight hooks 82 are locked. The eye nut 4 has a structure in which a ring portion 42 is formed on a nut base 41, an internal screw is formed on the nut base 41, and a bolt 43 is screwed together. Specifically, as shown in FIG. 4C, a nut base 41 of the eye nut 4 is disposed at the position of the rising through hole 121, and a bolt 43 is inserted from the opposite side of the rising through hole 121, whereby the nut base The eye nut 4 is fixed to the rising side plate portion 12 by being screwed into the inner screw 41. The hook 82 of the safety belt 8 is locked to the eye nut 4.

  In the present invention, the reinforcing tool 100 may be used. As shown in FIGS. 6A and 6B, the reinforcing tool 100 has leg portions 102 formed on both sides of the upper portion 101 in the width direction. At the lower ends of the leg portions 102, 102, a substantially curved leg bottom portion 102 a formed in the shape of an arcuate valley portion of the roof plate 6 is formed. A through hole 103 is formed at the center of the upper portion 101. The diameter (inner diameter) of the through hole 103 is formed larger than the outer diameter of the nut 73 of the fixing bolt 7 constituting the roof B described later, and the nut 73 is accommodated in the through hole 103. As shown in FIG. 6C, the outer periphery of the nut 73 is inserted into the through hole 103 of the reinforcing tool 100, and the upper portion 101 is disposed on the washer 77 of the nut 73. By mounting the reinforcing tool 100 in this manner, the load from the support tool A can be dispersed by the reinforcing tool 100, and damage to the roof B can be prevented or reduced.

  Next, the structure of a new or existing roof B in which the present invention is used will be described. First, as shown in FIG. 3, FIG. 5, etc., the cross-sectional shape of the slate or the like is formed into a substantially sine curve waveform, and is composed of a plurality of roof plate members 6, 6,. The roof plate 6 is fixed to the purlin 5 with fixing bolts 7. Specifically, the fixing bolt 7 is a hook bolt and has a substantially J shape, and includes a bolt shaft portion 71, a hook portion 72, and a nut 73. Then, the hook portion 72 is hooked on the lower edge portion of the purlin 5 (angle shaped steel or the like), the shaft upper end portion of the bolt shaft portion 71 penetrates the top portion of the arc-shaped chevron portion of the roof plate material 6, and the top portion The slate roof having a cross-sectional wave shape is configured by being tightened from the side surface by the nut 73.

  In order to install the support tool A on the slate type roof B having a corrugated cross section, first, the support tool A is disposed on the nut 73 of the fixing bolt (hook bolt) 7. The bolt shaft portion 71 of the fixing bolt (hook bolt) 7 is inserted into at least two of the plurality of bottom through holes 111 formed on the bottom plate portion 11 side, and the fixing nut is fixed to the bolt shaft portion 71. 75 is screwed to fix the support A to the top of the roof B (see FIG. 4A). As another method for fixing the support A to the roof B, the nut 73 screwed to the fixing bolt 7 is once removed. Then, the bolt shaft portion 71 of the fixing bolt 7 is inserted into at least two of the plurality of bottom side through holes 111 formed on the side of the bottom side plate portion 11, and the nut 73 is again inserted into the bottom side through hole 111. The support A is fixed to the top of the roof B by being screwed onto the bolt shaft portion 71 from above (see FIG. 4B).

  Furthermore, the case where the said reinforcement tool 100 is used for mounting | wearing to the roof of the support tool A is demonstrated. First, the roof B is disposed from above the nut 73 of the fixing bolt 7 protruding from the arcuate top portion of the roof plate material 6 formed in a substantially sine curve waveform. At this time, the nut 73 is accommodated in the through hole 103 so as to surround the outer periphery of the nut 73 by the through hole 103 of the reinforcing tool 100. And the said leg bottom part 102a is arrange | positioned so that the arc-shaped bottom part of the roof board | plate material 6 may be followed (refer FIG.6 (B)). Then, the support tool A is disposed from above the upper part 101 of the reinforcing tool 100, and a fixing nut 75 is screwed onto the bolt shaft 71 to fix the support tool A to the top of the roof B [ See FIG. 6C].

  In the roof B, there is an embodiment which is a folded plate type roof B made of a folded plate type metal roof plate material 6, and the support A of the present invention is mounted on the folded plate type roof B. [See FIGS. 9A and 9B]. In this folded plate type roof B, the roof plate material 6 has angle portions formed on both sides in the width direction, and the angle portions are overlapped with each other. Then, the screw shaft portion 74 provided in the metal fitting 200 installed on the main building 5 passes through the overlapping chevron and is fixed by a fixing nut 75. When the support A of the present invention is mounted on the folded plate type roof B, the support A is disposed on the fixing nut 75 and the screw shaft portion 74 is formed on the bottom side plate portion 11. The fixing nut 76 is screwed into the screw shaft portion 74, and the support A is fixed to the top portion of the roof B (see FIG. 9B). The fixing nut 75 is once removed from the screw shaft 74, and the screw shaft 74 is inserted into the bottom side through-hole 111 formed in the bottom plate 11 of the support A of the present invention. The support A may be fixed to the top of the roof B by screwing the fixing nut 75 into the portion 74 again.

  Next, an example of use of the safety band support A of the present invention will be described. On the roof B, the worker who works works to hook the hook 82 at the tip of the lifeline 81 of the safety belt 8 to the rising through hole 121 formed in the rising side plate portion 12 of the main member 1. Alternatively, as shown in FIG. 2 (B), FIG. 4 (C), FIG. 7 (B), FIG. 8 (B), etc., the eye nut 4 is fixed using the rising through hole 121 of the rising side plate portion 12. Then, the hook 82 of the safety belt 8 is hooked on the ring portion 42 of the eyenut 4 to perform the work.

  A case where a plurality of support tools A of the present invention are prepared and the master rope 9 is stretched will be described. In FIG. 7, a plurality of supports A are installed by the above-mentioned means from the eaves of the roof to the ridge, the eye nut 4 is fixed to the adjacent support A, and the master rope 9 is attached to the adjacent eye nuts 4 and 4. It is handed over. In the embodiment of FIG. 7, the master rope 9 is connected to the three supports A in a substantially series state. The worker works by hooking the hook 82 of the safety belt 8 to the master rope 9. In FIG. 8, a plurality of supports A are installed in a direction orthogonal to the inclination direction of the roof B. In this case, the eye nut 4 is fixed using the rising through hole 221 of the rising side plate portion 22 of the auxiliary member 2 of each support tool A, and the master rope 9 is formed between the auxiliary members 2 and 2 of the adjacent support tools A. The worker is handed over and hooks the hook 82 of the safety belt 8 on the master rope 9 to perform the work.

(A) is a perspective view of the support tool of this invention, (B) is a perspective view of the state in which the support tool was installed in the slate roof. (A) is a perspective view in a state in which the support is disassembled, (B) is an enlarged perspective view of a main part of the support in a state in which an eye nut is mounted, and (C) is a view of the support in the embodiment in which a reinforcing material is mounted. It is a perspective view. (A) And (B) is the schematic diagram of the state with which the support tool was mounted | worn with the roof. (A) is an expanded sectional view of the mounting location of the support tool and the roof, (B) is an enlarged cross sectional view of the mounting location in another embodiment of the support tool and the roof, and (C) is a part of the mounting location of the eyenut. It is the enlarged view made into the cross section. (A) is a schematic view of a state in which the roof and the support are separated in the embodiment in which the interval between the bottom side through holes is equal to the interval between the screw shaft portions of the roof, and (B) is a diagram in which the support is attached to the roof. It is a schematic diagram of a state. (A) is a perspective view of a reinforcing tool, (B) is a schematic diagram in which the reinforcing tool is to be mounted on the roof, and (C) is a schematic diagram in a state in which the support tool is mounted on the roof via the reinforcing tool. is there. (A) is a schematic perspective view showing a configuration for attaching a master rope to a support, and (B) is a schematic plan view showing a use state. (A) is the schematic perspective view which shows the structure of another embodiment for mounting | wearing a master rope with a support tool, (B) is the schematic diagram which shows a use condition. (A) is a schematic diagram of an embodiment in which a support is mounted on a folded plate type roof, and (B) is an enlarged cross-sectional view of the main part of (A).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Main member, 11 ... Bottom side plate part, 111 ... Bottom side through-hole, 12 ... Rise side plate part,
121 ... Rising through hole, 2 ... Sub member, 4 ... Eye nut.

Claims (5)

  A main member having a substantially L-shaped cross section by a bottom plate portion in which a plurality of bottom through-holes are formed along the longitudinal direction and a rising plate portion in which a plurality of rising through-holes are formed in the longitudinal direction; A support device such as a safety belt, comprising a sub-member, and a substantially rectangular frame formed by the two main members and the two sub-members arranged substantially in parallel.   2. The safety according to claim 1, wherein the interval between the bottom side through holes of the bottom side plate portion corresponds to the arrangement interval of the screw shaft portions for fixing the roof plate protruding from the top portion of the roof. Supports such as belts.   The support device for a safety belt or the like according to claim 1 or 2, wherein the bottom side through hole of the bottom side plate portion of the main member is formed as a long hole.   4. The auxiliary member according to claim 1, wherein the sub-member has a substantially L-shaped cross section, and the bottom side plate portion and the rising side plate portion are formed with a bottom side through hole and a rising through hole. A support device such as a safety belt.   5. The safety belt according to claim 1, wherein an eye nut is attached to the through-hole, and a hook of a safety belt is locked through the eye nut. Etc. Support tool.

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