JP2016104939A - Ceiling hanging bolt installation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling hanging bolt installation device to enable a ceiling hanging bolt to be stiffly and horizontally installed on a steel purlin fixed to roof materials having a variety of inclinations.SOLUTION: A steel purlin 3 which is a horizontal material made of lipped channel steel 3 is fixed to an orthogonally-crossed steel roof frame 2 installed at an angle in accordance with varying inclinations of a roof material 1. A ceiling hanging bolt 4 is installed on the lipped channel steel 3 with mounting hardware 5. The mounting hardware 5 has: a horizontal base piece 6 provided with a screw hole 6a where the ceiling hanging bolt 4 is vertically inserted thereinto and screwed shut; and erecting pieces 7 and 8 which are erected from both edge sections of the horizontal base piece 6. One erecting piece 7 or 8 is engaged with a lower lip section 3e of the lipped channel steel 3 and the other erecting piece 8 or 7 is screwed to a vertical flange section 3c of the lipped channel steel 3. The ceiling hanging bolt 4 is screwed into the screw hole 6a on the horizontal base piece 6 with an upper edge section 4a of the bolt 4 pressed against and contacted with a lower face of a lower flange section 3c of the lipped channel steel 3.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a ceiling suspension bolt mounting device for vertically supporting ceiling suspension bolts on a sloped roof arranged in an inclined manner.

Conventionally, as a ceiling suspension bolt mounting device for horizontally suspending a ceiling board by a ceiling suspension bolt from a steel roof frame arranged to be inclined at various gradient angles according to the gradient of the roof material, a patent There is a prior art related to No. 3817346. This prior art will be described with reference to FIG. 8. On the upper surface of the steel roof frame 2, which is inclined at various gradient angles according to the gradient of the roof material 1 such as a roof base or a roof board, The grooved steel 3 with a lip, which is a steel purlin, is fixed by a fixture 20 at right angles. Then, the plate-like first member 21 directly attached to the steel roof frame 2 and the plate-like second member 22 to which the ceiling suspension bolt 4 is attached are overlapped with each other with the center portion O as an axis. As a core, it is pivotally mounted in a vertical plane, and the second member 22 is rotated relative to the first member 21 with its central portion O as the center of rotation, and the ceiling suspension bolt 4 is perpendicular to the second member 22. It is made to hang on. According to this prior art, the second member 22 rotates and swings with respect to the first member 21 due to shock and vibration during an earthquake, and the ceiling suspension bolt 4 attached to the second member 22 swings greatly to the left and right. There is a danger, and the swinging of the ceiling suspension bolt 4 causes a major factor that the ceiling plate 23 held by the ceiling suspension bolt 23 is broken and dropped, and the first member 21 and the second member 22 are connected to the center of rotation. As a result, the structure was complicated and the production cost was high. In the figure, as is well known, a field edge receiver 25 is attached to the lower end portion of the ceiling suspension bolt 4 via a hanger 24, and a ceiling field edge 27 is attached to the field edge receiver 25 via a hook member 26. A ceiling plate 23 is attached to the ceiling edge 27.

  In the present invention, when the second member is pivotally attached to the first member so as to be able to rotate separately from the first member as in the prior art described above, a large roll or pitch is generated during an earthquake. A ceiling suspension bolt mounting device that can suspend the ceiling suspension bolt firmly to an inclined steel roof frame by wiping the risk of the ceiling plate breaking and falling due to swinging of the ceiling suspension bolt The purpose is to propose.

  Means for solving the above problems will be described with reference numerals in the embodiments described later. As shown in FIGS. A steel purlin 3 that is a horizontal material is fixed perpendicularly to the steel roof frame 2 that is disposed at various gradient angles according to the gradient, and this steel purlin 3 is used for this. A ceiling suspension bolt mounting apparatus in which a ceiling suspension bolt 4 is mounted, and the steel purlin 3 includes a vertical flange portion 3a, an upper flange portion 3b above it, a lower flange portion 3c below it, and an upper and lower flange portion 3b, 3c is formed of a grooved steel 3 with a lip formed by upper and lower lip portions 3e and 3f projecting opposite to each other across the opening 3d at the front end portion of 3c, and the mounting bracket 5 of the mounting device is a ceiling suspension bolt 4 Is vertically inserted and screwed It comprises a horizontal base piece 6 having a fastening hole 6a and rising part pieces 7 and 8 rising from both ends of the horizontal base piece 6. One of the rising part pieces is formed on the lower lip part 3f of the grooved steel 3 with lip. The other rising portion piece 8 is screwed to the vertical flange portion 3c of the grooved steel 3 with lip, and the ceiling suspension bolt 4 is screwed into the screwing hole 6a of the horizontal base piece 6 so that the bolt 4 The upper end 4a is pressed against the lower surface of the lower flange portion 3c of the grooved steel 3 with the lip so that the ceiling hanging bolt 4 is perpendicular to the grooved steel 3 with the lip, which is a steel purlin through the ceiling hanging bolt mounting bracket 5. It is designed to be attached to.

  As shown in FIGS. 1, 2, and 4, the ceiling suspension bolt mounting device according to claim 2 is a steel roof frame that is disposed at various gradient angles according to the gradient of the roof material 1. 2 is a ceiling suspension bolt mounting apparatus in which a steel purlin 3 which is a horizontal member is fixed perpendicularly to 2 and a ceiling suspension bolt 4 is attached to the steel purlin 3 by using the steel purlin 3. 3 is an upper and lower lip projecting opposite to each other with an opening 3d sandwiched between the vertical flange portion 3a, the upper flange portion 3b of the upper portion thereof, the lower flange portion 3c of the lower portion thereof, and the tip portions of the upper and lower flange portions 3b and 3c. A grooved steel 3 with a lip composed of portions 3e and 3f, and the grooved steel 3 with a lip is fixed to the roof frame 2 of steel frame so that the opening 3d faces an inclined upward side. The mounting bracket 5 has the ceiling suspension bolt 2 fitted vertically. The rising portion 7 rising from one end of the horizontal base piece 6 having the screwing hole 6a to be screwed is brought into contact with the lower end portion 3c of the lower flange portion 3c of the grooved steel 3 with lip. A rising portion 7a and a lower flange portion abutting portion which is bent from the tip portion 7a1 of the rising portion 7a and extends toward the lower lip portion 3f along the lower surface of the lower flange portion 3c and contacts the lower surface of the lower flange portion 3c 7b, a lower lip portion contact portion 7c that rises from the lower flange portion contact portion 7b along the outer surface of the lower lip portion 3f and contacts the outer surface of the lower lip portion 3f, and an upper end of the lower lip portion contact portion 7c A lower lip portion engaging portion 7d that is bent downwardly U-shaped from the first portion to the inner surface side of the lower lip portion 3f and engages with the lower lip portion 3f, and the other end portion with respect to the horizontal base piece 6 Standing up from The rising piece 8 is a rising portion 8a that rises to the lower end of the vertical flange portion 3a, and extends integrally with the upper portion of the rising portion 8a and extends along the outer surface of the vertical flange portion 3a. A vertical flange portion abutting portion 8b having a screw insertion hole 81 for abutting on the portion 3a and screwing to the vertical flange portion 3a, and thus engaging the lower lip portion of the ceiling suspension bolt mounting bracket 5 The portion 7d is engaged with the lower lip portion 3f of the grooved steel 3 with the lip, and the screw 9 is screwed into the vertical flange portion 3a of the grooved steel 3 with the lip through the screw insertion hole 81 of the vertical flange portion contact portion 8b. The ceiling suspension bolt 4 is screwed into the screwing hole 6a of the base piece 6, and the upper end portion 4a of the bolt is pressed against the lower surface of the lower flange portion 3c of the grooved steel 3 with the lip, whereby the ceiling suspension bolt 4 is attached vertically to the grooved steel 3 with a lip which is a steel frame purlin through a ceiling hanging bolt mounting bracket 5.

  As shown in FIG. 3, the ceiling suspension bolt mounting apparatus according to claim 3 is horizontal and perpendicular to a steel roof frame 2 that is arranged at various gradient angles according to the gradient of the roof material 1. A steel suspension purlin 3 is fixed to the ceiling suspension bolt mounting device, and the steel suspension purlin 3 is attached to the ceiling suspension bolt 4 by using the steel purlin 3. 3a, an upper flange portion 3b at the upper portion thereof, a lower flange portion 3c at the lower portion thereof, and upper and lower lip portions 3e, 3f that protrude from the front end portions of the upper and lower flange portions 3b, 3c across the opening 3d. The lip grooved steel 3 is fixed so that the opening 3d is directed to the steel roof frame 2 so as to be inclined downward, and the mounting bracket 5 of the mounting device includes: Ceiling hanging bolt 2 is inserted vertically and screw The rising base piece 7 rising from one end of the horizontal base piece 6 having the screwing hole 6a is provided with a rising part 7a rising to the lower end of the vertical lower lip part 3f, and an upper part of the rising part 7a. The lower lip portion abutting portion 7c extending along the outer surface of the lower lip portion 3f and abutting against the lower lip portion 3f, and the lower lip portion from the upper end portion of the lower lip portion abutting portion 7c. A lower lip engaging portion 7d that bends downward U-shaped on the inner surface side of 3f and engages with the lower lip 3f, and rises from the other end with respect to the horizontal base piece 6 8 is a rising portion 8a where the tip 8a1 contacts the lower surface of the lower flange portion 3c of the grooved steel 3 with lip, and a vertical flange that is bent from the upper end portion of the rising portion 8a and extends along the lower surface of the lower flange portion 1c. 3a A lower flange portion abutting portion 8c extending to the bottom surface of the lower flange portion 3c, and rising from the lower flange portion abutting portion 8c along the outer surface of the vertical flange portion 3a and abutting on the outer surface of the vertical flange portion 3a And a vertical flange portion abutting portion 8b having a screw insertion hole 81 for screwing to the vertical flange portion 3a, and the lower lip portion engaging portion 7d of the ceiling suspension bolt mounting bracket 5 is provided with a lip. The screw 9 is screwed into the vertical flange portion 3a of the grooved steel 3 with the lip through the screw insertion hole 81 of the vertical flange portion abutting portion 8b. The ceiling suspension bolt 4 is screwed into the stop hole 6a, and the upper end portion 4a of the bolt is pressed against the lower surface of the lower flange portion 3c of the grooved steel 3 with lip so that the ceiling suspension bolt 4 is attached to the ceiling suspension bolt. It is characterized in that it is vertically attached to a lip-shaped grooved steel 3 which is a steel frame purlin via a metal fitting 5.

  As shown in FIGS. 1 to 4, the ceiling suspension bolt mounting device according to claim 4 includes a horizontal base piece 6 of the ceiling suspension bolt mounting bracket 5, a rising portion 7 a of a rising portion piece 7 at one end thereof, and the like. A space portion 10 is formed by being surrounded by the rising portion 8a of the rising portion piece 8 at the end and the lower flange portion 3c of the grooved steel 3 with the lip, and in the space portion 10, the vicinity of the upper end portion 4a of the ceiling suspension bolt 4 is formed. The horizontal base piece 6 is screwed into a screwing hole 6a, and its upper end 4a is pressed against the lower flange portion 3c of the grooved steel 3 with lip.

  As shown in FIG. 1, FIG. 5, or FIG. 3, the ceiling suspension bolt mounting device according to claim 5 is the ceiling suspension bolt mounting device according to claim 2, wherein one end of the horizontal base piece 6 is provided. The rising angle Θ of the rising portion 7a or 8a with which the leading end 7a1 or 8a1 contacts the lower surface of the lower flange portion 3c of the lip-shaped grooved steel 3 with respect to the horizontal base piece 6 Is characterized by a right angle.

  As shown in FIG. 5, the ceiling suspension bolt mounting apparatus according to claim 6 is the ceiling suspension bolt mounting apparatus according to any one of claims 1 to 5, and has various slope angles according to the slope of the roof material 1. A grooved steel 3 with a lip, which is a steel purlin fixed at right angles to a steel roof frame 2 arranged at an angle, is mounted along the sloped upper surface 2a of the steel roof frame 2 and is therefore a lip. The grooved steel 3 has a lower flange portion 3c attached to the gradient upper surface 2a of the steel roof frame 2 in a tilted state in accordance with the gradient angle α. The ceiling hanging bolt attached to the grooved steel 3 with lip The horizontal base piece 6 of the mounting bracket 5 is characterized in that it is always in the horizontal state P regardless of the various tilt angle α states of the lip-shaped grooved steel 3.

  As shown in FIG. 5, the ceiling suspension bolt mounting device according to claim 7 is the ceiling suspension bolt mounting device according to any one of claims 1 to 6, and has various slope angles according to the slope of the roof material 1. A grooved steel 3 with a lip, which is a steel purlin fixed at right angles to a steel roof frame 2 arranged at an angle, is mounted along the sloped upper surface 2a of the steel roof frame 2 and is therefore a lip. The grooved steel 3 is attached to the gradient upper surface 2a of the steel roof frame 2 in a tilted state in accordance with the gradient angle α of the steel roof frame 2, but the ceiling hanging bolt attached to the grooved steel 3 with lip is attached. The horizontal base piece 6 of the metal fitting 5 has the rising piece 7 at one end of the horizontal base piece 6 so that the horizontal base piece 6 is always in the horizontal state P regardless of the tilt angle α state of the lip grooved steel 3. Rising part 7a and other end What adjusted the rising length 7a2 and 8a2 with the rising part 8a of the rising part piece 8 is produced in the factory in advance.

  The effect of the invention by the above solution will be described with reference numerals of embodiments described later. According to the ceiling hanging bolt mounting apparatus according to claim 1, as shown in FIGS. A steel purlin 3 which is a horizontal material is fixed perpendicularly to a steel roof frame 2 which is disposed at various inclination angles in accordance with the gradient of the steel, and a ridged channel steel which is the steel purlin. 3, the ceiling suspension bolt 4 is attached to the ceiling suspension bolt 4, and the mounting bracket 5 of the ceiling suspension bolt mounting device is screwed so that the ceiling suspension bolt 4 is vertically inserted and screwed. It consists of a horizontal base piece 6 having a hole 6a and rising parts 7 and 8 rising from both ends of the horizontal base piece 6. One of the rising parts 7 or 8 is the lower lip part 3e of the grooved steel 3 with lip. And the other rise is The piece 8 or 7 is screwed to the vertical flange portion 3c of the grooved steel 3 with lip, and the ceiling suspension bolt 4 is screwed into the screwing hole 6a of the horizontal base piece 6 so that the upper end portion 4a of the bolt 4 is By press-contacting to the lower surface of the lower flange portion 3c of the grooved steel 3 with the lip, the ceiling suspension bolt 4 can be vertically attached to the grooved steel 3 with the lip which is a steel purlin through the ceiling suspension bolt mounting bracket 5. The ceiling suspension bolt 4 has one end engaged with the lower lip 3e of the lip grooved steel 3 and the other end screwed to the vertical flange 3c of the lip grooved steel 3. Since the mounting bracket 5 is attached to the grooved steel 3 with a lip which is a steel purlin, the ceiling suspension bolt 4 is firmly attached to the grooved steel 3 with a lip which is a steel purlin. Door can be. Further, if the ceiling suspension bolt 4 is screwed into the ceiling suspension bolt mounting bracket 5 and manufactured at the factory, the ceiling suspension bolt mounting bracket 5 is attached to the grooved steel 3 with the lip at the installation site, and the upper end of the ceiling suspension bolt 4 is attached. Since it is only necessary to press the portion 4a to the back side of the lower flange portion 3c of the grooved steel 3 with lip, it is possible to efficiently perform the mounting operation, and to attach a plurality of ceiling suspension bolt mounting brackets 5 according to the installation site. Attach to the grooved steel 3 with lip at an appropriate interval in advance, and then screw the ceiling hanging bolt 4 into each ceiling hanging bolt mounting bracket 5 by retrofitting, and press the upper end 4a against the back side of the lower flange part 3c of the grooved steel 3 with lip. Even if it does, it can perform attachment work efficiently.

  According to the ceiling suspending bolt mounting apparatus according to claim 2, as shown in FIGS. 1, 2, and 4, the lip-type grooved steel 3 has an opening 3d on the steel roof frame 2 that is inclined upward. The mounting bracket 5 of the mounting device is fixed so as to face, and rises from one end of a horizontal base piece 6 having a screwing hole 6a into which the ceiling suspension bolt 2 is vertically inserted and screwed. The piece 7 rises until the tip 7a1 comes into contact with the lower surface of the lower flange 3c of the grooved steel 3 with lip, and the lower surface of the lower flange 3c is bent from the tip 7a1 of the raised portion 7a. A lower flange portion abutting portion 7b extending to the lower lip portion 3f side and abutting against the lower surface of the lower flange portion 3c, and a lower lip rising from the lower flange portion abutting portion 7b along the outer surface of the lower lip portion 3f Part a lower lip portion abutting portion 7c that abuts on the outer surface of f, and is bent downwardly into a U-shape from the upper end portion of the lower lip portion abutting portion 7c to the inner surface side of the lower lip portion 3f. The rising portion 8 that is engaged with the lower lip portion engaging portion 7d and rises from the other end with respect to the horizontal base piece 6 is a rising portion 8a that rises to the lower end of the vertical flange portion 3a, and the rising portion A vertical flange having a screw insertion hole 81 extending integrally with the upper portion of 8a and extending along the outer surface of the vertical flange portion 3a to abut against the vertical flange portion 3a and to be screwed to the vertical flange portion 3a The lower lip engaging portion 7d of the ceiling suspension bolt mounting bracket 5 is engaged with the lower lip portion 3f of the grooved steel 3 with lip, and the vertical flange portion abutting portion. 8b screw insertion A screw 9 is screwed into the vertical flange portion 3a of the grooved steel 1 with a lip 81, a ceiling suspension bolt 4 is screwed into the screwing hole 6a of the horizontal base piece 6, and the upper end portion 4a of the bolt is a grooved steel 3 with a lip. Since the ceiling hanging bolt 4 is vertically attached to the grooved steel 3 with a lip, which is a steel frame purlin, via the ceiling hanging bolt mounting bracket 5 by being pressed against the lower surface of the lower flange portion 3c of the lower flange portion 3c. In the same manner as in the first aspect, the ceiling suspension bolt 4 can be firmly attached to the grooved steel 3 with a lip which is a steel purlin. Further, if the ceiling suspension bolt 4 is screwed into the ceiling suspension bolt mounting bracket 5 and manufactured at the factory, the ceiling suspension bolt mounting bracket 5 is attached to the grooved steel 3 with the lip at the installation site, and the upper end of the ceiling suspension bolt 4 is attached. Since it is only necessary to press the portion 4a to the back side of the lower flange portion 3c of the grooved steel 3 with lip, it is possible to efficiently perform the mounting operation, and to attach a plurality of ceiling suspension bolt mounting brackets 5 according to the installation site. Attached to the grooved steel 3 with lips at appropriate intervals in advance, the ceiling hanging bolts 4 are screwed in sequence into the ceiling hanging bolt mounting brackets 5 by retrofitting at the site, and the upper end 4a is the back surface of the lower flange portion 3c of the grooved steel 3 with lips. Even if it is press-contacted to the side, the mounting operation can be performed efficiently.

  According to the ceiling hanging bolt mounting device according to claim 3, as shown in FIG. 3, the grooved steel 3 with lip is fixed so that the opening 3d faces the steel roof frame frame 2 so as to face the inclined downward side, The mounting bracket 5 of the mounting device has a rising base piece 7 that rises from one end of the horizontal base piece 6 having a screwing hole 6a into which the ceiling suspension bolt 2 is vertically inserted and screwed. A rising portion 7a that rises to the lower end of the vertically lower lip portion 3f, and a lower lip that extends integrally with the upper portion of the rising portion 7a, extends along the outer surface of the lower lip portion 3f, and contacts the lower lip portion 3f Part abutting part 7c, and a lower lip part engaging part which is bent downward U-shaped from the upper end part of lower lip part abutting part 7c to the inner surface side of lower lip part 3f and engages with lower lip part 3f 7d for the horizontal base piece 6 The rising part 8 rising from the other end part is bent from the leading part 8a1 where the tip part 8a1 abuts the lower surface of the lower flange part 3c of the grooved steel 3 with the lip, and the leading part 8a1 of the rising part 8a. A lower flange portion abutting portion 8c extending toward the vertical flange 3a along the lower surface of the portion 1c and abutting against the lower surface of the lower flange portion 3c, and abutting against the outer surface of the vertical flange portion 3a from the lower flange portion abutting portion 8c And a vertical flange portion abutting portion 8b having a screw insertion hole 81 for screwing to the vertical flange portion 3a, and the lower lip portion engaging portion 7d of the ceiling hanging bolt mounting bracket 5 has a lip. While being engaged with the lower lip 3f of the grooved steel 3, the screw 9 is screwed into the vertical flange 3a of the grooved steel 1 with the lip from the screw insertion hole 81 of the vertical flange contact portion 8b. The ceiling suspension bolt 4 is screwed into the screw hole 6a of the horizontal base piece 6, and the upper end portion 4a of the bolt is brought into pressure contact with the lower surface of the lower flange portion 3c of the grooved steel 3 with lip. The ceiling suspension bolt 4 is attached to the grooved steel 3 with a lip, which is a steel main purlin, via the ceiling suspension bolt mounting bracket 5, so that the ceiling suspension bolt 4 is attached to the lip, which is a steel purlin, as in claim 1. It can be firmly attached to the grooved steel 3. Further, if the ceiling suspension bolt 4 is screwed into the ceiling suspension bolt mounting bracket 5 and manufactured at the factory, the ceiling suspension bolt mounting bracket 5 is attached to the grooved steel 3 with the lip at the installation site, and the upper end of the ceiling suspension bolt 4 is attached. Since it is only necessary to press the portion 4a to the back side of the lower flange portion 3c of the grooved steel 3 with lip, it is possible to efficiently perform the mounting operation, and to attach a plurality of ceiling suspension bolt mounting brackets 5 according to the installation site. Attached to the grooved steel 3 with lips at appropriate intervals in advance, the ceiling hanging bolts 4 are screwed in sequence into the ceiling hanging bolt mounting brackets 5 by retrofitting at the site, and the upper end 4a is the back surface of the lower flange portion 3c of the grooved steel 3 with lips. Even if it is press-contacted to the side, the mounting operation can be performed efficiently.

  According to the ceiling suspension bolt mounting apparatus according to claim 4, as shown in FIGS. 1 to 4, the horizontal base piece 6 of the ceiling suspension bolt mounting bracket 5 and the rising portion 7a of the rising portion piece 7 at one end thereof, A space portion 10 is formed by being surrounded by the rising portion 8a of the rising portion piece 8 at the other end and the lower flange portion 3c of the grooved steel 3 with lip, and the upper end portion 4a of the ceiling suspension bolt 4 is formed in the space portion 10. Since the vicinity is screwed into the screw hole 6a of the horizontal base piece 6 and the upper end 4a is pressed against the lower flange 3c of the grooved steel 3 with lip, the ceiling suspension bolt 4 is The vicinity of the upper end 4a is screwed to the screw hole 6a of the horizontal base piece 6 with a margin, and the upper end 4a is pressed to the lower flange portion 3c of the grooved steel 3 with lip with a margin, so that Hanging bolt 4 It can and securely attached to stable the lipped channel-shaped steel 3 via the bolt mounting bracket 5 suspended wells.

  According to the ceiling hanging bolt mounting apparatus according to claim 5, as shown in FIG. 1, FIG. 5, or FIG. 3, the lip of the rising portion piece 7 or 8 rising from one end portion or the other end portion of the horizontal base piece 6 is provided. Since the rising angle Θ with respect to the horizontal base piece 6 of the rising portion 7a or 8a with which the tip 7a1 or 8a1 contacts the lower surface of the lower flange portion 1c of the grooved steel 1 is a right angle, one end of the horizontal base piece 6 Bending angle between the rising portion 7a or 8 of the rising portion piece 7 or 8 rising from the lower flange portion abutting portion 7b that is bent and extends from the tip portion 7a1 or 8a1 and abuts on the back surface side of the lower flange portion 3c The rising angle Θ2 between the horizontal base piece 6 and the rising part 8a or 7a of the rising part 8 or 7 rising from the other end of the horizontal base piece 6 is a groove with a lip. Coupled with the fact that each corner portion of the steel 1 is formed at a right angle as is well known, it can be formed at the same angle Θ1 = Θ2, which facilitates the production of the ceiling suspension bolt mounting bracket 5 accordingly. be able to.

  According to the ceiling suspension bolt mounting apparatus according to claim 6, as shown in FIG. 5, the ceiling suspension bolt mounting apparatus is orthogonal to the steel roof frame 2 arranged at various gradient angles according to the gradient of the roof material 1. The grooved steel 3 with a lip, which is a steel purlin to be fixed in this manner, is attached along the sloped upper surface 2a of the steel roof frame 2, so that the lower flange 3 of the lipted grooved steel 3 has a steel roofbone. The horizontal base piece 6 of the ceiling hanging bolt mounting bracket 5 attached to the grooved steel 1 with a lip is attached to the gradient upper surface 2a of the frame 2 in accordance with the gradient angle α. As shown, because the lip grooved steel 3 is always in the horizontal state P regardless of various tilt angles α state, the ceiling suspension bolt 4 can be attached vertically to this, Various types of grooved steel 3 with lips The ceiling suspension bolt mounting bracket 5 corresponding to the tilt angle α can be mass-produced in advance by factory production, which can practically correspond to the working conditions at the mounting work site.

  According to the ceiling suspending bolt mounting device according to claim 7, as shown in FIG. 5, it is orthogonal to the steel roof frame 2 that is arranged at various gradient angles according to the gradient of the roofing material 1. The grooved steel 3 with a lip, which is a steel purlin to be secured in this manner, is attached along the sloped upper surface 2a of the steel roof frame 2, so that the grooved steel 3 with a lip is attached to the gradient angle α of the steel roof frame 2. The horizontal base piece 6 of the ceiling hanging bolt mounting bracket 5 attached to the grooved steel 1 with a lip is attached to the sloped upper surface 2a of the steel roof frame 2 in a tilted state according to FIG. 6 and FIG. As shown, in order to be able to always attach the ceiling suspension bolt 4 vertically to the horizontal state P regardless of the various tilt angles α state of the grooved steel 3 with the lip, Standing of one end of the horizontal base piece 6 By adjusting the rising lengths 7a2 and 8a2 of the rising portion 7a of the rising portion piece 7 and the rising portion 8a of the rising portion piece 8 at the other end in advance by mass production by factory production, the installation work site It is practical from this aspect as well.

(a) is a front view showing the usage state of the ceiling suspension bolt mounting device according to the present invention, (b) is a right side view thereof, and (c) is a left side view thereof. It is a front view which shows other embodiment of the ceiling suspension bolt attachment apparatus which concerns on this invention. It is a front view which shows other embodiment of the ceiling suspension bolt attachment apparatus which concerns on this invention. It is a front view which shows other embodiment of the ceiling suspension bolt attachment apparatus which concerns on this invention. It is explanatory drawing for demonstrating an effect | action of the ceiling suspending bolt attachment apparatus which concerns on this invention. It is explanatory drawing which shows the various modifications of the ceiling suspension bolt used for the ceiling suspension bolt attachment apparatus which concerns on this invention. It is explanatory drawing which shows the various modifications of the ceiling suspension bolt of other embodiment used for the ceiling suspension bolt attachment apparatus which concerns on this invention. It is explanatory drawing which shows the prior art of this kind of ceiling suspension bolt attachment apparatus.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. FIGS. 1A to 1C show a usage state of a ceiling suspension bolt mounting apparatus according to the present invention.

  Conventionally, the roof material 1 which consists of a roof base | substrate, a roof board, etc. is formed in various gradient angles as a gradient roof. A steel roof frame 2 is disposed as a girder from the high place to the low part, inclining in accordance with the various gradient angles, and is a horizontal member orthogonal to the steel roof frame 2. The steel purlin 3 is secured by a suitable fastener 20 (see FIG. 8) as in the prior art. The present invention is a ceiling suspension bolt mounting device in which the ceiling suspension bolt 4 is attached to the steel frame purlin 3.

  The steel-made purlin 3 is well known in the art, with the opening 3d sandwiched between the longitudinal flange 3a, the upper flange 3b above it, the lower flange 3c below it, and the top flanges 3b, 3c. The upper and lower lip portions 3e and 3f are provided so as to project opposite to each other, and are each formed of a lip-attached channel steel 3 whose corner angles are formed at right angles.

  In the embodiment shown in FIG. 1, the grooved steel 3 with lip is fixed to the roof frame 2 made of steel frame so that the opening 3 d faces the upward slope side. The mounting bracket 5 of the ceiling suspension bolt mounting device according to the present invention is attached to the grooved steel 3 with lip, and the ceiling suspension bolt 4 is attached to the grooved steel 3 with lip through the mounting bracket 5. ing.

  The mounting bracket 5 includes a horizontal base piece 6 having a screwing hole 6a into which the ceiling suspension bolt 4 is vertically inserted and screwed, and rising part pieces 7 and 8 rising from both ends of the horizontal base piece 6. One of the rising part pieces is engaged with the lower lip part 3f of the grooved steel 3 with lip, and the other rising part piece 8 is screwed to the vertical flange part 3c of the grooved steel 3 with lip. The ceiling suspension bolt 4 is screwed into the screwing hole 6a of the horizontal base piece 6, and the upper end portion 4a of the bolt 4 is pressed against the lower surface of the lower flange portion 3c of the grooved steel 3 with lip, whereby the ceiling suspension bolt 4 Can be attached vertically to the grooved steel 3 with a lip, which is a steel-made purlin, via a ceiling suspension bolt mounting bracket 5.

  More specifically, the mounting bracket 5 has a rising piece 7 that rises from one end thereof with respect to the horizontal base piece 6 that has a screwing hole 6a into which the ceiling suspension bolt 2 is vertically inserted and screwed. Is a rising portion 7a where the tip portion 7a1 abuts the lower surface of the lower flange portion 3c of the grooved steel 3 with lip, and is bent from the tip portion 7a1 of the rising portion 7a along the lower surface of the lower flange portion 3c. A lower flange portion abutting portion 7b, which extends toward the lip portion 3f and abuts the lower surface of the lower flange portion 3c, and has a screw insertion hole 11 for screwing as needed, and a lower flange portion abutting portion 7b The lower lip portion contact portion 7c that rises along the outer surface of the lower lip portion 3f and contacts the outer surface of the lower lip portion 3f, and the lower lip portion 3 from the upper end of the lower lip portion contact portion 7c A lower lip portion engaging portion 7d that is bent downward U-shaped on the inner surface side of the lip portion and engages with the lower lip portion 3f, and rises from the other end with respect to the horizontal base piece 6. The piece 8 rises up to the lower end of the vertical flange portion 3a, and extends integrally with the upper portion of the rising portion 8a and extends along the outer surface of the vertical flange portion 3a. And a vertical flange portion abutting portion 8b having a screw insertion hole 81 for screwing to the vertical flange portion 3a, and the lower lip portion engaging portion 7d of the ceiling suspension bolt mounting bracket 5 Is engaged with the lower lip portion 3f of the grooved steel 3 with lip, and the screw 12 is screwed into the lower flange portion 3c from the screw insertion hole 11 provided in the lower flange portion abutting portion 7b as appropriate. A screw 9 is screwed into the vertical flange portion 3a of the grooved steel 3 with lip through the screw insertion hole 81 of the contact portion 8b, and the ceiling suspension bolt 4 is screwed into the screwing hole 6a of the horizontal base piece 6, and the upper end of the bolt 4a is pressed against the lower surface of the lower flange portion 3c of the grooved steel 3 with lip so that the ceiling suspension bolt 4 can be vertically attached to the grooved steel 3 with lip, which is a steel purlin, via the ceiling suspension bolt mounting bracket 5. Especially in this embodiment, as shown in FIG. 1 (c), there are a plurality (two) of screws 9 screwed into the vertical flange portion 3a, and the lower flange portion abuts. Since one screw 12 is screwed into the lower flange portion 3c as shown in FIG. 1 (b) from the screw insertion hole 11 provided in the portion 7b as appropriate, the ceiling suspension bolt 4 is attached to the steel main purlin. Ri which is It is possible to firmly attach to the grooved steel 3 with a bump. Further, if the ceiling suspension bolt 4 is screwed into the ceiling suspension bolt mounting bracket 5 and manufactured at the factory, the ceiling suspension bolt mounting bracket 5 is attached to the grooved steel 3 with the lip at the installation site, and the upper end of the ceiling suspension bolt 4 is attached. Since it is only necessary to press the portion 4a to the back side of the lower flange portion 3c of the grooved steel 3 with lip, it is possible to efficiently perform the mounting operation, and to attach a plurality of ceiling suspension bolt mounting brackets 5 according to the installation site. Attached to the grooved steel 3 with lips at appropriate intervals in advance, the ceiling hanging bolts 4 are screwed in sequence into the ceiling hanging bolt mounting brackets 5 by retrofitting at the site, and the upper end 4a is the back surface of the lower flange portion 3c of the grooved steel 3 with lips. Even if it is press-contacted to the side, the mounting operation can be performed efficiently.

  The only difference between the embodiment shown in FIG. 2 and the embodiment shown in FIG. 1 is the screw hole 6a of the horizontal base piece 6. In FIG. 1, the horizontal base piece 6 is tapped by tapping. In FIG. 2, the nut 13 is welded to the horizontal base piece 6 from the space 10 side as shown in the figure, so that the horizontal base piece 6 is screwed. A hole 6a is formed. In the figure, reference numeral 14 denotes a lock nut. In FIG. 2, since the other structure is completely the same as that of the embodiment shown in FIG. 1, the same reference numerals are given to the respective constituent elements and the description thereof will be omitted.

  In the embodiment shown in FIG. 3, the grooved steel 3 with lip is fixed to the roof frame 2 made of steel frame so that the opening 3d faces downward on the inclined side.

  In this embodiment, the mounting bracket 5 is attached to the horizontal base piece 6 having a screwing hole 6a for the ceiling suspension bolt 2 to be vertically inserted and screwed from one end thereof. The rising part piece 7 that rises up to the lower end part of the vertically lower lip part 3f and the upper part of the rising part 7a are integrally extended to extend along the outer surface of the lower lip part 3f. A lower lip portion abutting portion 7c having a screw insertion hole 15 for abutting the lip portion 3f and appropriately screwing as necessary, and an inner end of the lower lip portion 3f from the upper end portion of the lower lip portion abutting portion 7c. It comprises a lower lip portion engaging portion 7d that is bent in a U shape downward on the side surface and engages with the lower lip portion 3f. On the other hand, a rising piece that rises from the other end with respect to the horizontal base piece 6. 8 is the lip A rising portion 8a that rises until the tip portion 8a1 contacts the lower surface of the lower flange portion 3c of the grooved steel 3, and a vertical flange 3a that is bent from the tip portion 8a1 of the rising portion 8a and extends along the lower surface of the lower flange portion 1c. A lower flange portion abutting portion 8c having a screw insertion hole 16 for extending to the side and abutting against the lower surface of the lower flange portion 3c and screwing as necessary, and a vertical flange from the lower flange portion abutting portion 8c. A vertical flange portion abutting portion 8b that rises along the outer surface of the portion 3a, abuts against the outer surface of the vertical flange portion 3a and has a screw insertion hole 81 for screwing to the vertical flange portion 3a, The lower lip portion engaging portion 7d of the ceiling suspension bolt mounting bracket 5 is engaged with the lower lip portion 3f of the grooved steel 3 with lip, and the screw is inserted into the vertical flange portion abutting portion 8b. Screws 9 from the holes 81 are screwed into the vertical flange portion 3a of the grooved steel 3 with lip, and screw insertion holes 15 and 16 are provided as appropriate to the lower lip portion contact portion 7c and the lower flange portion contact portion 8c, respectively. , 18 are screwed into the lower lip portion 3f and the lower flange portion 3c, respectively, and then the ceiling suspension bolt 4 is screwed into the screw hole 6a of the horizontal base piece 6 by retrofitting, or the mounting bracket 5 is manufactured in advance by factory production. What was screwed into the ceiling suspension bolt 4 is further screwed in, and the upper end portion 4a of the bolt is pressed against the lower surface of the lower flange portion 3c of the grooved steel 3 with lip, whereby the ceiling suspension bolt 4 is It is adapted to be vertically attached to the lip-shaped grooved steel 3 which is a steel-made purlin through the mounting bracket 5, and particularly in this embodiment, the vertical flange portion contact portion 8. The screw 9 is not only screwed into the vertical flange portion 3a of the grooved steel 3 with lip from the screw insertion hole 81 of b, but is further provided in the lower lip portion contact portion 7c and the lower flange portion contact portion 8c as appropriate. Since the screws 17 and 18 are screwed into the lower lip portion 3f and the lower flange portion 3c from the holes 15 and 16, respectively, the ceiling suspension bolt 4 can be firmly attached to the grooved steel 3 with a lip which is a steel-made purlin. .

  Even in this embodiment, if the ceiling suspension bolt 4 is screwed into the ceiling suspension bolt mounting bracket 5 and manufactured at the factory, the ceiling suspension bolt mounting bracket 5 is attached to the grooved steel 3 with a lip at the installation site. Since it is only necessary to press the upper end portion 4a of the ceiling suspension bolt 4 to the back surface side of the lower flange portion 3c of the grooved steel 3 with the lip, it is possible to perform the mounting operation efficiently, and a plurality of ceilings depending on the installation site. The suspension bolt mounting brackets 5 are attached to the grooved steel 3 with lips in advance at appropriate intervals, and the ceiling suspension bolts 4 are sequentially screwed into the ceiling suspension bolt mounting brackets 5 by retrofitting at the site. Even if the lower flange portion 3c is pressed against the back surface side, the mounting operation can be performed efficiently.

  FIG. 4 shows a horizontal member fixed to a roof material 1 made of a roof base, a roof board or the like, or a concrete flat roof, etc., which is provided in a horizontal direction, perpendicularly to a steel roof frame 2 provided in parallel thereto. Since the mounting bracket 5 according to the present invention is attached to the steel purlin 3 and the other structure is exactly the same as that of the embodiment shown in FIG. 1, the description thereof is omitted by giving the same reference numerals. As described above, in the present invention, a lip-attached groove-type steel which is a steel purlin fixedly attached to a roof material 1 provided horizontally and orthogonal to a steel roof frame 2 provided parallel thereto. 3 is also included in the concept of claims 1 to 3.

FIG. 5 is a view for explaining the operation of the ceiling suspension bolt mounting apparatus according to the present invention.
That is, as shown also in FIGS. 1 to 4, the horizontal base piece 6 of the ceiling suspension bolt mounting bracket 5, the rising portion 7 a of the rising portion piece 7 at one end thereof, and the rising portion piece 8 of the other end portion. A space portion 10 is formed by being surrounded by the portion 8a and the lower flange portion 3c of the grooved steel 3 with lip, and in the space portion 10, the vicinity of the upper end portion 4a of the ceiling suspension bolt 4 is a screwing hole of the horizontal base piece 6. Since the upper end 4a is screwed to 6a and the upper end 4a is pressed against the lower flange portion 3c of the grooved steel 3 with the lip, the upper end 4a of the ceiling suspension bolt 4 is in the vicinity of the horizontal base piece 6 The upper end 4a is screwed to the lower flange 3c of the grooved steel 3 with lip with a margin, and the ceiling suspension bolt 4 is attached to the ceiling suspension bolt mounting bracket 5 with a margin. Lip through It can be attached and reliably stable in the groove-type steel 3 can.

  Further, as shown in FIG. 3 or FIG. 5, the leading end 7a1 is formed on the lower surface of the lower flange portion 3c of the lip grooved steel 3 of the rising piece 7 or 8 rising from one end or the other end of the horizontal base piece 6. Alternatively, the rising angle Θ with respect to the horizontal base piece 6 of the rising portion 7a or 8a with which 8a1 abuts is a right angle, so that the rising portion 7a or 8a of the rising portion piece 7 rising from one end of the horizontal base piece 6 and the tip thereof A bending angle Θ1 with the lower flange portion abutting portion 7b that is bent and extended from the portion 7a1 and abuts on the back surface side of the lower flange portion 3c, and from the horizontal base piece 6 and the other end of the horizontal base piece 6 The rising angle Θ2 between the rising portion 8a or 7a of the rising portion piece 8 or 7 is combined with the fact that each corner portion of the lip-shaped grooved steel 1 is formed at a right angle as is well known. In the grooved steel 3 with a lip provided to be inclined at any inclination angle according to the inclination angle of the steel roof frame 2 that is inclined according to various inclination angles. However, since the ceiling suspension bolt 4 attached thereto can be formed at the same angle as the angle Θ1 = Θ2 of the attachment bracket 5, the ceiling suspension bolt attachment bracket 5 can be easily manufactured.

  Furthermore, as shown in FIG. 5, the groove | channel with a lip | rip which is a steel-made main building fixed orthogonally to the steel-made roof frame 2 arrange | positioned by inclining at various inclination angles according to the inclination of the roofing material 1 The steel plate 3 is mounted along the sloped upper surface 2a of the steel roof frame 2 so that the lip grooved steel 3 has its lower flange portion 3 on the sloped upper surface 2a of the steel roof frame 2 at a slope angle α. The horizontal base piece 6 of the ceiling suspension bolt mounting bracket 5 attached to the grooved steel 1 with the lip is attached to the grooved steel 1 with the lip, as shown in FIG. 6 and FIG. Regardless of the inclination angle α state, the horizontal suspension state P is always maintained, and the ceiling suspension bolt 4 can be vertically attached thereto. Ceiling hanging bolt mounting metal corresponding to 5 can be made to advance mass by factory production, whereby it is practical possible to correspond to that immediately the working conditions of the mounting work site.

  Furthermore, as shown in FIG. 5, with a lip which is a steel purlin that is fixed perpendicularly to a steel roof frame 2 that is arranged at various inclination angles according to the gradient of the roof material 1. The grooved steel 3 is attached along the sloped upper surface 2a of the steel roof frame 2, so that the grooved steel 3 with lips is in a tilted state in accordance with the gradient angle α of the steel roof frame 2. The horizontal base piece 6 of the ceiling hanging bolt mounting bracket 5 attached to the sloped upper surface 2a of the frame 2 but attached to the grooved steel 1 with the lip is formed of the grooved steel 3 with the lip as shown in FIGS. Regardless of the state of various tilt angles α, the horizontal base piece 6 is always in the horizontal state P, so that the ceiling suspension bolt 4 can be vertically attached thereto. The rising part 7a of the rising part piece 7, and its By adjusting the rising lengths 7a2 and 8a2 of the rising portion 8a of the rising portion piece 8 at the other end with mass production by factory production in advance, it is possible to respond immediately to the working conditions at the installation work site. This is also practical from this aspect.

  As shown in FIGS. 1, 2, and 4, the opening 3 d is formed on the steel roof frame 2 with a lip-shaped grooved steel 3 having various inclination angles facing the upward slope side in accordance with the inclination angle. FIG. 7 is an explanatory view in which the ceiling suspension bolt 2 is vertically suspended through the mounting bracket 5, and FIG. 7 shows various inclination angles in which the opening 3 d faces the steel roof frame 2 in the downward direction. It is explanatory drawing which suspended the ceiling suspension volt | bolt 2 perpendicularly | vertically through the attachment metal fitting 5 matched with the inclination angle to the grooved steel 3 of the lip | rip, in both figure, (a) is with respect to the horizontal surface P. 4 shows a state in which the fitting 5 having the inclination angle α0 of 0 ° is attached to the grooved steel 3 with the lip angle of 0 ° (the embodiment shown in FIG. 4), and (b) shows the inclination angle of 5 °. (C) shows a state in which the fitting 5 having an inclination angle α1 of 5 ° is attached to the grooved steel 3 with lip. FIG. 11 shows a state in which the mounting bracket 5 having an inclination angle α2 of 10 ° is attached to the grooved steel 3 with a lip having an inclination angle of 10 °, and FIG. (E) shows the state in which the mounting bracket 5 with the inclination angle α4 of 20 ° is attached to the grooved steel 3 with the lip angle of 20 °. , (F) schematically shows an embodiment in which the mounting bracket 5 having an inclination angle α5 of 25 ° is attached to the grooved steel 3 with a lip having an inclination angle of 25 °.

  As described above, the mounting bracket 5 having various inclination angles is a portion positioned on both sides of the angle Θ by setting the rising angle Θ to the horizontal base piece 6 of the rising portion 7a or 8a to be a right angle. The bending angles Θ1 and Θ2 of the pieces can be formed at the same angle, and as described above, the horizontal base piece 6 of the ceiling suspension bolt mounting bracket 5 attached to the grooved steel 1 with the lip is attached to the grooved steel with the lip. 3 so that the horizontal base piece 6 is always in a horizontal state regardless of the three tilt angle states, the rising part 7a of the rising part 7 at one end of the horizontal base piece 6 and the rising part 8 at the other end. By adjusting the rising lengths 7a2 and 8a2 with the unit 8a in advance by factory production, it is possible to immediately cope with the working conditions at the installation work site. .

  Further, a space 10 is always formed between the horizontal base piece 6 of the ceiling suspension bolt mounting bracket 5 and the lower flange portion 3c of the lip-shaped grooved steel 3 regardless of various inclination angles of the mounting bracket 5. Therefore, the upper end threaded portion of the ceiling suspension bolt 4 can be stably and reliably attached to the ceiling suspension bolt mounting bracket 5.

DESCRIPTION OF SYMBOLS 1 Roofing material 2 Steel roof frame 3 Grooved steel with lip which is a steel purlin 4 Ceiling suspension bolt 4a Upper end portion 5 of ceiling suspension bolt 6 Mounting bracket 6 Horizontal base end portion 6a Screw insertion hole 7 Standing piece 8 Standing piece 9 Screw 10 Space

Claims (7)

  The steel roof purlin (3), which is a horizontal material, is fixed perpendicularly to the steel roof frame (2), which is arranged at various gradient angles according to the gradient of the roof material (1), and this steel frame A ceiling suspension bolt mounting device that uses the main purlin (3) to attach the ceiling suspension bolt (4) to the steel suspension purlin (3), and the steel purlin (3) has a vertical flange portion (3a) and an upper portion thereof. Upper flange part (3b), lower flange part (3c) below it, and upper and lower lip parts protruding from each other across the opening (3d) at the tip of the upper and lower flange parts (3b), (3c) (3e), (3f) and a lip-shaped grooved steel 3, and the mounting bracket (5) of the mounting device is a screw for the ceiling hanging bolt (4) to be vertically inserted and screwed It consists of a horizontal base piece (6) having a stop hole (6a) and rising part pieces (7), (8) rising from both ends of the horizontal base piece (6), and one rising part piece (7) of them. Or (8) with lip Engaged with the lower lip (3f) of the channel steel (3) and the other rising piece (8) or (7) is screwed to the longitudinal flange (3a) of the channel steel (3) with lip, but The ceiling suspension bolt (4) is screwed into the screw hole (6a) of the horizontal base piece (6), and the upper end (4a) of the bolt (4) is the lower flange portion of the grooved steel (3) with lip ( By being pressed against the lower surface of 3c), the ceiling suspension bolt (4) can be vertically attached to the grooved steel with lip (3), which is a steel purlin, via the ceiling suspension bolt mounting bracket (5). Ceiling hanging bolt mounting device.   The steel roof purlin (3), which is a horizontal material, is fixed perpendicularly to the steel roof frame (2), which is arranged at various gradient angles according to the gradient of the roof material (1), and this steel frame A ceiling suspension bolt mounting device that uses the main purlin (3) to attach the ceiling suspension bolt (4) to the steel suspension purlin (3), and the steel purlin (3) has a vertical flange portion (3a) and an upper portion thereof. Upper flange part (3b), lower flange part (3c) below it, and upper and lower lip parts protruding from each other across the opening (3d) at the tip of the upper and lower flange parts (3b), (3c) (3e), (3f) and a lip-shaped channel steel (3), the lip-shaped channel steel (3) has its opening (3d) inclined upward to the steel roof frame (2). A horizontal base piece (6) having a screw hole (6a) to which a ceiling suspension bolt (4) is vertically inserted and screwed is fixed. Against one end The rising part piece (7) includes a rising part (7a) in which the tip part (7a1) contacts the lower surface of the lower flange part (3c) of the grooved steel (3) with a lip, and a tip part of the rising part (7a). A lower flange portion abutting portion (7b) bent from (7a1) and extending along the lower surface of the lower flange portion (3c) toward the lower lip portion (3f) and contacting the lower surface of the lower flange portion 1c; The lower lip contact portion (7c) that contacts the outer surface of the lower lip portion (3f) rises from the flange contact portion (7b) along the outer surface of the lower lip portion (3f), and the lower lip portion contact It consists of a lower lip engaging part (7d) that bends downward U-shaped from the upper end of the part (7c) to the inner side of the lower lip part (3f) and engages the lower lip part (3f) The rising portion (8) rising from the other end with respect to the horizontal base piece (6) is a rising portion (8a) rising to the lower end of the vertical flange portion (3a), and an upper portion of the rising portion (8a). Extend to one A vertical flange portion extending along the outer surface of the vertical flange portion (3a) and contacting the vertical flange portion (3a) and having a screw insertion hole (81) for screwing to the vertical flange portion (3a) The lower lip engaging portion (7d) of the ceiling hanging bolt mounting bracket (5) is engaged with the lower lip portion (3f) of the grooved steel with lip (3). At the same time, the screw (9) is screwed into the vertical flange portion (3a) of the grooved steel with lip (3) from the screw insertion hole (81) of the vertical flange portion abutting portion (8b), and the horizontal base piece (6 ) Is screwed into the screw hole (6a), and the upper end (4a) of the bolt is pressed against the lower surface of the lower flange (3c) of the grooved steel (3) with lip. The ceiling suspension bolt mounting device is designed so that the ceiling suspension bolt (4) can be mounted vertically to the grooved steel with a lip (3), which is a steel purlin, via the ceiling suspension bolt mounting bracket (5). .   The steel roof purlin (3), which is a horizontal material, is fixed perpendicularly to the steel roof frame (2), which is arranged at various gradient angles according to the gradient of the roof material (1), and this steel frame A ceiling suspension bolt mounting device that uses the main purlin (3) to attach the ceiling suspension bolt (4) to the steel suspension purlin (3), and the steel purlin (3) has a vertical flange portion (3a) and an upper portion thereof. Upper flange part (3b), lower flange part (3c) below it, and upper and lower lip parts protruding from each other across the opening (3d) at the tip of the upper and lower flange parts (3b), (3c) (3e), (3f) and a grooved steel (3) with a lip, and the grooved steel (3) with a lip has its opening (3d) inclined down to the steel roof frame (2). A horizontal base piece (6) having a screw hole (6a) to which a ceiling suspension bolt (2) is vertically inserted and screwed is fixed. Against one end The rising part piece (7) is extended integrally with the rising part (7a) rising up to the lower end part of the vertical lower lip part (3f) and the upper part of the rising part (7a), and the lower lip part (3f ) Extending along the outer surface of the lower lip portion (3c) and contacting the lower lip portion (3f) from the upper end of the lower lip portion contact portion (7c) to the lower lip portion (3f) It consists of a lower lip portion engaging portion (7d) that is bent in a U-shape downward on the inner side surface and engages with the lower lip portion (3f), and from the other end to the horizontal base piece (6) The rising part piece (8) that rises includes a rising part (8a) in which the tip part (8a1) contacts the lower surface of the lower flange part (3c) of the grooved steel with lip (3), and a tip part of the rising part (8a). A lower flange portion abutting portion (8c) bent from (8a1) and extending along the lower surface of the lower flange portion (3c) to the vertical flange (3a) side and abutting the lower surface of the lower flange portion (3c); From the bottom flange contact part (8c) A vertical flange abutment having a screw insertion hole (81) for rising with the outer flange surface (3a) and contacting the outer surface of the vertical flange portion (3a) and screwing to the vertical flange portion (3a). The lower lip engaging portion (7d) of the ceiling suspension bolt mounting bracket (5) is engaged with the lower lip portion (3f) of the grooved steel (3) with a lip. At the same time, the screw (9) is screwed into the vertical flange portion (3a) of the grooved steel with lip (3) from the screw insertion hole (81) of the vertical flange contact portion (8b), and the screw of the horizontal base piece (6) The ceiling suspension bolt (4) is screwed into the retaining hole (6a), and the upper end (4a) of the bolt is pressed against the lower surface of the lower flange portion (3c) of the grooved steel (3) with the lip, so that the ceiling suspension bolt (4) A ceiling suspension bolt mounting device in which the ceiling suspension bolt mounting device (5) is configured to be vertically mounted on a lip-shaped grooved steel (3) which is a steel main purlin via a ceiling suspension bolt mounting bracket (5).   The horizontal base piece (6) of the ceiling hanging bolt mounting bracket (5), the rising part (7a) of the rising part (7) at one end, and the rising part (8a) of the rising part (8) at the other end ) And the lower flange portion (3c) of the grooved steel (3) with a lip, a space portion (10) is formed, and the upper end portion (4a) of the ceiling suspension bolt (4) is formed in the space portion (10). The vicinity is screwed into the screw hole (6a) of the horizontal base piece (6), and its upper end (4a) is pressed against the lower flange (3c) of the grooved steel (3) with lip. The ceiling suspension bolt mounting apparatus according to claim 2 or 3.   The rising edge piece (7) or (8) rising from one end or the other end of the horizontal base piece (6), the tip (7a1) on the lower surface of the lower flange portion (3c) of the lip grooved steel (3) The ceiling hanging bolt mounting device according to any one of claims 2 to 4, wherein the rising angle Θ with respect to the horizontal base piece (6) of the rising portion (7a) or (8a) with which (8a1) abuts is a right angle.   The grooved steel (3) with a lip, which is a steel purlin that is fixed perpendicularly to the steel roof frame (2) that is arranged at various inclination angles according to the gradient of the roofing material 1, is a steel frame. Attached along the sloped upper surface (2a) of the roof frame (2) made of roof, so the grooved steel (3) with a lip has a lower flange part (3c) with the sloped upper surface (2a of the steel roof frame (2). The horizontal base piece (6) of the ceiling hanging bolt mounting bracket (5) attached to the grooved steel with the lip (3) is attached to the grooved steel with the lip. The ceiling suspension bolt mounting device according to any one of claims 1 to 5, which is always in a horizontal state P regardless of the various tilt angle α states in (3).   The grooved steel (3) with a lip, which is a steel purlin that is fixed perpendicularly to the steel roof frame (2) that is arranged at various inclination angles according to the gradient of the roofing material 1, is a steel frame. Attached along the sloped upper surface (2a) of the roof frame (2) made of steel, the grooved steel (3) with lip is made of steel in a tilted state according to the slope angle α of the steel roof frame (2). The horizontal base piece (6) of the ceiling hanging bolt mounting bracket (5) attached to the sloped upper surface (2a) of the roof frame (2), but attached to the grooved steel with the lip (3) is the grooved steel with the lip. Regardless of the various tilt angle α states in (3), the rising portion (7a) of the rising portion piece (7) at one end of the horizontal base piece (6) so as to be always in the horizontal state P. The other rising end pieces (8) and the rising portions (8a) of the rising end pieces (8a) are adjusted at their rising lengths (7a2) and (8a2), and are produced in advance in a factory. The ceiling hanging bolt mounting device according to any one of the above.

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