WO2012014581A1 - Strut-equipped tie member and temporary scaffold - Google Patents
Strut-equipped tie member and temporary scaffold Download PDFInfo
- Publication number
- WO2012014581A1 WO2012014581A1 PCT/JP2011/063471 JP2011063471W WO2012014581A1 WO 2012014581 A1 WO2012014581 A1 WO 2012014581A1 JP 2011063471 W JP2011063471 W JP 2011063471W WO 2012014581 A1 WO2012014581 A1 WO 2012014581A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cane
- horizontal member
- support
- wedge
- button
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/14—Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/22—Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
Definitions
- the present invention relates to a temporary scaffold used indoors and outdoors in construction sites such as a construction site and a civil engineering site, in particular, a binder used in a wedge-tight scaffold or a system support, and a temporary scaffold incorporating this binder. About.
- Temporary scaffolds at construction sites include frame scaffolds used mainly during construction of buildings, single pipe scaffolds used mainly during construction of houses and wedge-tight scaffolds, and system support (form support)
- a rolling tower is also an example of a temporary scaffold.
- a temporary scaffolding is a type that uses a pillar member with a connecting piece such as a frame on the side and a short joint material (a short joint material is sometimes referred to as an arm wood) (a wedge-tight scaffolding) ) And vertical columns (also referred to as building materials) and horizontal pedestals (also referred to as horizontal materials) that use building frames such as H shapes and torii shapes (framework scaffolds), both facing each other
- a cloth frame with a floor also referred to as a cloth board
- a cloth board is bridged between short connecting materials or horizontal rails, and used as a work floor or a passage for workers.
- system support works are arranged in a matrix of columns that are formed by connecting column members, such as frames, that are provided on the side surfaces in a vertical direction, and two types of long and short connecting materials between the connection members of these column members. It is a tightly bound structure formed by connecting in two horizontal directions, and can be used as a work floor, a worker's passage, etc. by appropriately laying a cloth frame with a floor between the facing connecting materials ( Hereinafter referred to as system support work.)
- pipes made of steel or aluminum are often used for support members, connecting materials, building frames, and the like.
- connection metal fitting provided in the side surface of a support
- the wedge metal fitting provided in the edge part of a connecting member can be attached to connection metal fittings, such as a top and a flange, and can be fastened with a wedge.
- the wedge-tight scaffolding is constructed by attaching a short connecting material (also called arm timber), brace material, and a scaffolding member such as a handrail member to a support member provided on the side with a connecting bracket such as a frame, and Then, after these scaffold constituent members are fastened together with wedges in the connecting metal fitting, they are assembled by bridging one or more cloth frames with floors.
- a handrail is provided at least at the opposite side of the building to prevent the worker from falling.
- Fig. 1 shows an example of the structure of a wedge-tight scaffold.
- (a) is a front view of a wedge-binding scaffold
- (b) is an enlarged view of the periphery of the top indicated by a circle in (a)
- (c) is a right side view of the wedge-binding scaffold.
- Each strut 1 is formed by adding a strut member 3 having a plurality of tops 4 in the vertical direction via a tenon material (not shown).
- a short tether 2 is attached via a frame 4 between the building-side column 1 and the column 1 on the opposite side of the building, and the frame 4 is fastened with a wedge (not shown).
- a brace member 21 is attached between the adjacent struts 1 on the building side via the top 4, and a handrail member 20 is interposed between the adjacent struts 1 on the side opposite to the building via the top 4. They are attached and fastened with wedges in the top 4 respectively.
- one or two or more floor-attached cloth frames 9 are bridged between the adjacent short connecting materials 2 to form a first-stage scaffold.
- the brace material 21 may be attached between the columns 1 on the opposite side of the building.
- the second stage scaffold is formed in the same manner as the first stage scaffold. If necessary, a strut member 3 separately prepared on the upper end of the strut member 3 of the first stage scaffold is added in the vertical direction via a tenon material (not shown), and then the short tether 2 and brace The material 21 and the scaffold component member of the handrail member 20 are attached via the frame 4, and these scaffold component members are fastened together by wedges (not shown) at the frame 4, and then between the adjacent short-length connecting materials 2. It is formed by spanning one or more floor-mounted cloth frames 9. By repeating this in sequence, a multi-stage wedge-binding scaffold is assembled.
- system support is a scaffold often used when constructing concrete structures, etc., and is a system support that can be assembled from the ground or floor surface by combining multiple single members such as jack base, support material, and horizontal material. It is used as a work floor, a worker's passage, etc. by appropriately laying a cloth frame with a floor on the work.
- support columns each of which has a connecting member such as a plurality of frames, provided on the side surface are connected in a matrix with columns connected to each other, and the connecting members such as the frames of these supporting members are arranged in a matrix.
- Two types of long and short connecting materials (which may be the same length) are attached at right angles to each other in two horizontal directions via a connecting fitting such as a frame, and are attached to the column member by wedges in the connecting fitting such as a frame.
- Work in a tightly bound structure (system support work) formed by tightly binding to two horizontal directions at right angles to one or two or more floor-attached cloth frames between facing ties. It is used as a floor or a passage for workers.
- the handrail for preventing a worker's fall can also be provided in the place where the cloth frame with a floor was bridged.
- FIG. 2 is a front view showing an example of the system support work
- FIG. 3 is a right side view of the system support work of FIG. 4 is a cross-sectional plan view taken along line AA in FIG.
- system supporter 100 is installed at a height of several m to several tens m from the ground so as to support the lower surface of the formwork 102 above the concrete structure (slab) 101.
- the system support 100 is formed by arranging a plurality of support columns 1 in a matrix at predetermined intervals, and connecting the adjacent support columns 1 with a plurality of connecting members 2 in the horizontal direction.
- Each strut 1 is composed of a plurality of strut members 3 connected in the vertical direction via a tenon material (not shown).
- the lower end of each column 1 is supported by a jack base 5.
- a large jack jack 6 is attached to the upper end of each strut 1, and a plurality of large pull materials 7 are placed on the large jack jack 6.
- a plurality of joists 8 are placed on the plurality of large joists 7 and the formwork 102 is placed on the plurality of joists 8 so as to be orthogonal to the large joists 7.
- the connecting material 2 is connected to the frame 4 via a wedge metal piece joined to both ends of the connecting material 2 and is fastened by a wedge 2a.
- the connecting material 2 is not attached to the central piece 4 of each support member 3, but the connecting material 2 may be attached to the central piece 4 of each support member 3.
- the cloth frame 9 with a floor is bridged between the connecting materials 2 which face each other.
- a scaffold for use as a work floor or a worker's passage can be formed where necessary by laying the cloth frame 9 with a floor on other places.
- two scaffolds with floors are placed side by side between the connecting members 2a facing each other to form one scaffold, which is used as a work floor or a passage.
- the column members provided with the connecting brackets such as frames are provided on the side surfaces, and the column members can be connected in the horizontal direction by the connecting material.
- the connecting material used here is made of steel or aluminum pipes with a wedge fitting joined to both ends of the pipe by welding or the like. By being fastened together, it can be used fixed to the column member.
- FIG. 5 is a front view of an example of a connecting material (conventional example) used in a wedge-tight scaffold or system support.
- This connecting material 2 is formed by joining a wedge metal fitting 2b to both ends of a horizontal member 31 made of a pipe made of steel, aluminum or the like by welding or the like, and its total length is adjusted to the interval between the support members 3. .
- the hook member 2b of the connecting member 2 is hooked on a connecting metal member such as the top 4 provided on the side surface of the column member 3 and then fastened by the wedge 2a, whereby the column members 3 can be connected and fixed.
- FIG. 6 is a front view of an example (conventional example) of a binder with a wand disclosed in Patent Document 1.
- the connecting member 30 with a cane is a horizontal member for increasing the strength of the connecting member itself.
- Two wands 32 that support 31 from diagonally below are provided.
- the lower end portion of each cane 32 has a semi-cylindrical vertical plate 33 having an inner diameter substantially the same as the outer diameter of the column member 3, and the vertical plate 33 is pressed against the side surface of the column member 3. It has been.
- one bundle member 34 is installed vertically from the vicinity of the left and right ends of the horizontal member 31, and connects with the respective canes 32.
- each wand 32 is supported from above.
- the hook metal fittings 2b joined to both ends of the horizontal member 31 of the connecting material are hooked on connecting metal fittings such as the tops 4 provided on the side surfaces of the post member 3, respectively, and then fastened by the wedges 2a, whereby the post member 4 It is possible to connect and fix between.
- FIG. 7 is a front view of an example (conventional example) of a connecting material with a cane disclosed in Patent Document 2.
- FIG. 7 is a front view of an example (conventional example) of a connecting material with a cane disclosed in Patent Document 2.
- the tie member 30 with the cane is joined to the two members that support the horizontal member 31 obliquely from below.
- a cane 32 is provided.
- the wedge metal fitting 30b is joined also to the lower end part of each cane 32 by welding etc.
- one bundle member 34 is installed vertically from the vicinity of the left and right ends of the horizontal member 31, and is connected to the respective canes 32. Thus, each wand 32 is supported from above.
- the strength of the tie material itself can be increased by providing a wand to the tie material in which the wedge metal fittings are joined by welding or the like at both ends of a horizontal member made of steel or aluminum.
- the tie material with a wand formed by joining a wedge metal fitting to the lower end of the wand has a great binding effect due to the wedge, the tie material can be firmly connected and fixed to the support column.
- 8 and 9 are examples of binding work by wedges when attaching the tie member with the wand shown in FIG. 7 between the support members.
- the present invention has been made to solve the above-described problems, and can facilitate and reduce the connection work with the support member, and can be firmly connected to the support member. It is an object of the present invention to provide a tie material that can be used, and a temporary scaffold incorporating the tie material.
- a connecting material that can be firmly connected to the rod support material a basic member comprising a horizontal member made of a pipe made of steel, aluminum or the like, and two wands that support the horizontal member obliquely from below. It is preferable to adopt a general configuration and to have a structure that can be firmly connected to the left and right support members at a total of four positions, ie, both ends of the horizontal member and the lower ends of the two canes. Therefore, in order to firmly connect to the column member, as shown in FIG. 6, a structure in which only a semi-cylindrical vertical plate is provided and this vertical plate is pressed against the side surface of the column is used. Instead, as shown in FIG.
- the tie member with the wand shown in FIG. 7 has a wedge metal fitting joined to both ends of the horizontal member at a high place. This is not only difficult to tighten, but also has a total of four wedge metal fittings, and there is a problem that it takes time and labor for the wedge.
- the inventors of the present invention have studied a method that can firmly connect the tie material with the cane to the support member without binding the four parts with wedges. As a result, instead of fastening all four points on the left and right ends of the horizontal member of the bridging member with the cane and the lower ends of the two left and right canes with two wedges, two places on the both ends of the horizontal member. In this case, instead of binding with a wedge, it has been thought that the tie member with the cane can be firmly connected to the left and right support members by hooking to the support members.
- examples of the latching method between the end of the horizontal member and the support member include a combination of a button pin and a notch having a shape that can be latched on the button pin.
- the button pin is composed of a button part (large diameter) and a mounting shaft (small diameter)
- the width of the notch is smaller than the outer diameter of the button part and larger than the outer diameter of the mounting shaft, the end of the horizontal member The part can be hooked on the column member, and the end of the horizontal member is difficult to come off from the column member after hooking.
- a button pin will be provided in either the side surface of a support
- the wedge metal fitting for binding the wedge can be halved to only the two lower end portions of the left and right canes, and the height at the two left and right ends of the horizontal member can be reduced. This eliminates the need for a wedge work at the place. Therefore, it is possible to facilitate and reduce the binding work by the wedge.
- buttons having a shape that can be hooked to the button pin are used as a hooking means between the end of the horizontal member and the column member, the button pin and the button pin are hooked.
- the combination of notches having a shape that can be formed is the following (i) or (ii).
- a button pin is provided on the side surface of the support member, and on the other hand, an end plate having a downward cutout is provided at the end of the horizontal member, and the end of the horizontal member is moved downward from above. Fit the downward notch on the button pin.
- the width of the downward notch provided on this end plate is larger than the outer diameter of the mounting shaft and smaller than the outer diameter of the button part. To do.
- an opening enough to accommodate the button portion is provided below the end plate or below the end portion of the horizontal member.
- the button pin can be joined to the side surface of the support member by welding or a screw.
- the horizontal member that is hooked on the side surface of the support member is not limited to one direction, and may be 2 to 4 directions on the circumference of the support member.
- the number of button pins to be installed is 1 to 4. When a plurality of button pins are joined to the circumference of the side surface of the support member by screws, it is preferable to use a blind nut.
- An upward notch is provided on the side of the support member, while a button pin is provided at the end of the horizontal member, and the button pin is moved upward by moving the end of the horizontal member downward from above. Fit into the notch.
- the width of the upward notch provided on the side surface of the support member is larger than the outer diameter of the button pin mounting shaft and smaller than the outer diameter of the button portion.
- the upward notch may be formed by attaching a thin frame on the side surface of the column and providing an upward notch on the front wall of the thin frame.
- the thin frame may have a shape with a missing bottom surface.
- the button pin can be joined to the end of the horizontal member by welding or a screw. Considering the labor of joining, it is preferable to join with screws such as blind nuts.
- the end of the horizontal member is moved downward from above, and the button pin provided on the end of the horizontal member is hooked on the upward notch provided on the side surface of the column member.
- the connection is not released unless the end of the horizontal member is moved upward.
- the horizontal member is a part of the connecting material with the cane
- the connection is not released unless the connecting material with the cane is moved upward. Since the end of the horizontal member is rotatable about the upward notch provided on the side surface of the column member as a rotation axis, it is not always necessary to move the end of the horizontal member from above. Even when moved from below, the end of the horizontal member can be hooked on the button pin.
- the wedge metal fittings provided at the lower ends of the left and right wands of the tie material with the wand have a shape that can be held by sandwiching the connecting members such as the top and the flange of the support member from above and below, for example, a C-shape when viewed from the front. It is preferable to have.
- the wedge metal fitting has such a shape, once the connecting material with the cane is connected to the support member, even if the connecting material with the cane tries to move up and down, it will hit the connecting member of the support member, It can prevent that a binder with a cane comes off from a support
- a circular end plate having an outer diameter larger than the outer diameter of the horizontal member may be provided. Good. That is, an upward notch portion having a width smaller than the outer diameter of the circular end plate is provided on the side surface of the column member, and the circular end plate provided at the end portion of the horizontal member is moved downward from above. This button pin is fitted into the upward cutout.
- the end plate of the horizontal member is moved downward from above, and the circular end plate provided on the end of the horizontal member is hooked on the upward notch provided on the side surface of the column member. Accordingly, even when the circular end plate provided at the end of the horizontal member is connected to the support member, the connection is not released unless the end of the horizontal member is moved upward. In other words, since the horizontal member is a part of the connecting material with the cane, the connection is not released unless the connecting material with the cane is moved upward. Since the end of the horizontal member is rotatable about the upward notch provided on the side surface of the column member as a rotation axis, it is not always necessary to move the end of the horizontal member from above. Even when moved from below, the end of the horizontal member can be hooked on the button pin.
- the end of the horizontal member is rotatable about the button pin provided on the side surface of the support member or the upward notch as the rotation axis. That is, the tie material with the cane is rotatable about the button pin provided on the side surface of the support member or the upward notch as the rotation axis. Therefore, after the end of the horizontal member and the support member are connected, the wedge fitting provided at the lower end of the cane is fastened to the connection member of the support member with the wedge, and the wedge fitting and the support member at the lower end of the support member are connected. It is possible to easily align the connecting metal fittings.
- the present invention has been completed based on the above findings, and the gist of the present invention resides in the following (1) to (9) tie material with a cane and the following (10) temporary scaffold.
- the present invention is collectively referred to as the present invention.
- a tie member with a cane that consists of a horizontal member and two canes that support the horizontal member from diagonally below, and there are means for hooking the support members on both ends of the horizontal member.
- a binder with a cane characterized in that a wedge metal fitting is provided at the lower end of the cane.
- the width of the notched portion of the heel downward is smaller than the outer diameter of the button portion of the button pin provided on the side surface of the column member to be connected and larger than the outer diameter of the button pin mounting shaft, Tie material with wand of (2) above.
- the button part having the outer diameter larger than the width of the upward notch provided on the side surface of the column member to be connected and the outer diameter smaller than the width of the notch
- At least one of the both ends of the horizontal member is provided with a circular end plate having an outer diameter larger than the outer diameter of the horizontal member as a latching means. ) With a stick.
- the wedge metal provided at the lower end portion of the saddle stick has a shape that can be held inside by sandwiching the connection metal provided on the side surface of the column member to be connected from above and below. 8) A tie with a stick.
- the present invention it is possible to provide a joining material that can easily and reduce the connection work with the support member and can be firmly connected to the support material, and a temporary scaffold incorporating the joining material.
- FIG. 4 is a cross-sectional plan view taken along line AA in FIG. 3.
- FIG. 3 It is a front view of an example (conventional example) of a connecting material used in a wedge binding type scaffold or system support work.
- Patent Document 2 It is a front view of an example (conventional example) of a connecting material with a wand disclosed in Patent Document 2.
- (a) is a front view.
- (b) to (d) are enlarged views of part A, in which (b) is a left side view, (c) is a front view, and (d) is a bottom view.
- These are four examples of button pins provided on support members to be connected, all of which are joined to the side surfaces of the support members by welding. In each of the four examples (a) to (d), a front view is shown on the left side and a right side view is shown on the right side.
- FIG. 5D is a top view and FIG. 4D is a cross-sectional view (top view) of the joint portion in a state where the button pin is joined to the hole on the side surface of the support member.
- (a) is a top view
- (b) is a cross-sectional view (top view).
- (a) to (c) are front views
- (d) is an AA arrow view
- (e) is an BB arrow view.
- pillar member is shown.
- (a) is a front view
- (b) is an arrow CC view.
- the state (front view) after connecting the connecting material with the cane of FIG. 10 to the side surface of the support member is shown.
- (a) is a front view.
- (b) to (d) are enlarged views of part A, in which (b) is a left side view, (c) is a front view, and (d) is a bottom view.
- pillar member 3 is shown.
- (a) is a front view
- (b) is an enlarged left side view of part A
- (c) is an enlarged front view of part A.
- (a) is a front view
- (b) is an enlarged left side view of portion A
- (c) is an enlarged front view of portion A.
- FIG. 10 is an example of a binder with a cane according to the present invention.
- (a) is a front view.
- (b) to (d) are enlarged views of part A, in which (b) is a left side view, (c) is a front view, and (d) is a bottom view.
- This tie member 30 with a cane is composed of a horizontal member 31 made of a pipe made of steel or aluminum, and two cane 32 that support the horizontal member 31 from obliquely below.
- An end plate 40 having a downward cutout 40a is joined to each end of the horizontal member 31 by welding or the like, and an opening 31a is provided below the end of the horizontal member 31.
- a wedge metal fitting 30b is joined to the lower end of the cane 32 by welding or the like. After the wedge metal fitting 30b is hooked on a connecting metal piece such as a frame provided on the side surface of the column member, the wedge 30a is attached.
- the wedge metal fitting 30b provided at the lower end of the wand 32 has a C shape when viewed from the front, the wedge metal fitting 30b sandwiches the connection metal fitting such as a frame provided on the side surface of the support member from above and below. You can hold in. Therefore, once the connecting member 30 with the cane is connected to the support member, even if the connecting member 30 with the cane moves up and down, the connecting member 30 such as the top of the support member collides with the connecting member 30 such as the top member. Can be prevented from coming off from the support member.
- one bundle member 34 is installed vertically from the vicinity of the left and right ends of the horizontal member 31, and the respective canes 32 are connected to each other. The wand 32 is supported from above.
- the width of the downward cutout portion 40a provided on the end plate 40 joined to the end portion of the horizontal member 31 is smaller than the outer diameter of the button portion of the button pin provided on the column member to be connected. And larger than the outer diameter of the mounting shaft.
- the width of the opening 31a provided at the lower part of the end of the horizontal member 31 is larger than the outer diameter of the button portion of the button pin provided in the column member to be connected and the outer diameter of the mounting shaft. Greater than. Therefore, the end portion of the horizontal member 31 can be hooked to the column member, and the end portion of the horizontal member 31 is not easily detached from the column member after the latching.
- FIG. 11 shows four examples of button pins provided on support members to be connected.
- a front view is shown on the left side and a right side view is shown on the right side.
- Each button pin 41 includes a large-diameter button portion 41a and a small-diameter attachment shaft 41b.
- the attachment portion 41b is attached to the side surface of the column member 3 with the button portion 41a as an outer surface. Any joining means for attaching the button pin 41 to the side surface of the column member 3 is by welding.
- the outer diameter of the button portion 41 a is smaller than the width of the opening portion 31 a provided at the lower portion of the end portion of the horizontal member 31, and is provided on the end plate 40 joined to the end portion of the horizontal member 31. It is larger than the width of the downward cutout 40a.
- the outer diameter of the mounting portion 41 b is smaller than the width of the opening portion 31 a provided at the lower portion of the end portion of the horizontal member 31, and is provided on the end plate 40 joined to the end portion of the horizontal member 31. It is smaller than the width of the downward cutout 40a.
- FIG. 11A shows a truncated cone shape with an inclined portion on the back surface of the button portion 41a, and the mounting shaft 41b has a cylindrical shape.
- both the button portion 41a and the mounting shaft 41b are cylindrical.
- (c) is a modification of (b), and the attachment shaft 41b is attached to the side surface of the column member 3 via a columnar column fixing member 41c.
- (d) is a modification of (a). Since the attachment shaft 41b penetrates the support
- FIG. 12 shows another example of the button pin provided on the column member to be connected and an example of its joined state.
- (a) is a front view and right side view of the button pin
- (b) is a sectional view (front view) and right side view of the washer
- (c) is a state in which the button pin is joined to the hole on the side surface of the column member.
- FIG. 5D is a top view
- FIG. 4D is a cross-sectional view (top view) of the joint portion in a state where the button pin is joined to the hole on the side surface of the support member.
- the button pin 41 includes a button portion 41a having a truncated cone shape with an inclined portion on the back surface, a cylindrical mounting shaft 41b, and a navel having a male screw cut on the outer surface. It consists of a bolt 41d.
- the navel bolt 41d is screwed into a blind nut 51 previously inserted into a hole 52 formed in the side surface of the support member 3 through a navel washer 50 shown in FIG. As shown in FIGS. 12C and 12D, the button pin 41 is joined to the support member 3.
- the blind nut 51 After inserting the blind nut 51 having an internal thread cut into the hole 52 in a state of being inserted into a drive screw (not shown) at the tip of the tool, the blind nut 51 is inserted into the hole 52 by caulking. It fixes to 52.
- the button pin 41 can be joined to the column member 3 by screwing the navel bolt 41d into the fixed blind nut 51 via the navel washer 50. Therefore, labor can be saved compared to the joining work by welding.
- FIG. 13 shows a state in which the four button pins shown in FIG. 12 are joined on the circumference of the side surface of the column member to be connected.
- (a) is a top view
- (b) is a cross-sectional view (top view).
- the method of joining the button pin 41 to the support member 3 is as described above.
- the connecting members are connected in four directions, the number of button pins 41 to be installed on the circumference of the side surface of the column member 3 is four.
- the button pins are installed by screw joining using the blind nut 51, so that the other button pins do not get in the way during the installation operation.
- FIG. 14 shows a procedure for hooking the end portion of the horizontal member of the tie member with the cane of FIG. 10 on the button pin on the side surface of the column member of FIG. 11 (a).
- (a) to (c) are front views
- (d) is an AA arrow view
- (e) is an BB arrow view.
- (a) is the position where the end of the horizontal member 31 of the connecting material with the cane is aligned with the support member 3 provided with the button pin 41 on the side surface, and (b) is the end of the horizontal member on the button pin 41.
- (C) shows the state where the button plate 41 is hooked with the downward notch 40a on the end plate 40 (both are front views). ).
- (D) is a sectional view taken along the line AA in (c), and (e) is a sectional view taken along the line BB in (d).
- a downward opening 31a is formed at the end of the horizontal member 31 of the connecting member with the cane, and the end plate 40 provided at the lower part of the end of the horizontal member 31 has a downward notch.
- a portion 40a is formed. Then, by moving the end portion of the horizontal member 31 from above to below, the button plate 41 can be hooked with the downward notch portion 40 a of the end plate 40. Since the width of the notch 40a and the outer diameter of the button pin 41a and the mounting shaft 41b of the button pin are in the relationship as described above, the button plate 41 once has a notch 40a facing downward on the end plate 40. It can be seen that the connection of the end portion of the horizontal member 31 to the column member 3 is not released unless the end portion of the horizontal member 31 is lifted upward.
- the end plate 40 has play between the downward notch 40a and the button pin mounting shaft 41b. There is also play between the end plate 40 and the button part 41a of the button pin, so that the end part of the horizontal member rotates about the button pin mounting shaft 41b provided on the side surface of the support member. Be free.
- FIG. 15 shows the steps (a) to (d) for connecting and tightening the entire connecting member with the cane of FIG. 10 to the side surface of the column member (right side view).
- the end plate 40 of the horizontal member of the binder with the cane and the wedge metal fitting 30b joined to the lower end of the cane 32 are illustrated.
- (A) shows a column member 3 having a button pin 41 at the upper part of the side surface and a frame 4 at the lower part.
- (b) shows the middle of moving the end of the horizontal member from the upper side to the button pin 41 on the side surface of the column member 3, and
- (c) shows the state where the downward notch 40 a is hooked on the button pin 41.
- (D) shows that the wedge 30a is driven after the wedge metal fitting 30b joined to the lower end of the wand 32 is hooked on the top 4 on the side surface of the column member 3.
- 16 and 17 show a state after the tie member 30 with the cane in FIG. 10 is connected to the side surface of the support member 3.
- 16 (a) and 17 are front views, and FIG. 16 (b) is an arrow CC view.
- the wedge 30 a for driving into the wedge metal fitting 30 b can be accommodated in a wedge temporary receiving hole 34 a provided in the middle of the bundle 34.
- the connecting member with a cane As described above, as a connecting member with a cane to be connected between the strut members, the hooks on the strut members are replaced with the wedges at the two ends of the horizontal member even if the four portions are not fastened with the wedges. Even by stopping, the connecting member with the cane can be firmly connected to the left and right support members. Further, the operation of connecting the tie member with the cane between the support members is reduced and facilitated. Further, the connecting material with a cane according to the conventional example (see FIGS. 6 and 7) has a cloth frame with a floor spanned on the connecting material as a support column due to the presence of the wedge metal fittings provided at both ends of the horizontal member.
- FIG. 18 shows another example of a binder with a cane according to the present invention.
- (a) is a front view.
- (b) to (d) are enlarged views of part A, in which (b) is a left side view, (c) is a front view, and (d) is a bottom view.
- FIG. 19 shows a state (front view) after the tie member 30 with the cane is connected to the side surface of the column member 3.
- This long tie with a wand 30 differs from the tie with a wand of Example 1 only in that the horizontal member 31 is long. Therefore, similar to the tie material with the short cane shown in the first embodiment, the tie material with the wand connected between the support members is two places on both ends of the horizontal member even if all four places are not fastened with wedges. In this case, the tie member with the cane can be firmly connected to the left and right support members by hooking to the support members instead of binding with wedges. Further, the operation of connecting the tie member with the cane between the support members is reduced and facilitated. Further, the connecting material with a cane according to the conventional example (see FIGS.
- FIG. 20 shows another example of a binder with a wand according to the present invention.
- 20A is a front view
- FIG. 20B is an enlarged left side view of part A
- FIG. 20C is an enlarged front view of part A.
- This tie member 30 with a cane is composed of a horizontal member 31 made of a pipe made of steel or aluminum, and two cane 32 that support the horizontal member 31 from obliquely below.
- a button pin 41 is joined to each of the end portions of the horizontal member 31 via an end plate 40, and the end portion of the horizontal member 31 is secured by hooking the end portion of the horizontal member 31 to the support member. It can be connected to a strut member.
- a wedge metal fitting 30b is joined to the lower end of the cane 32 by welding or the like. After the wedge metal fitting 30b is hooked on a connecting metal piece such as a frame provided on the side surface of the column member, the wedge 30a is attached.
- the wedge metal fitting 30b provided at the lower end of the wand 32 has a C shape when viewed from the front, the wedge metal fitting 30b sandwiches the connection metal fitting such as a frame provided on the side surface of the support member from above and below. You can hold in. Therefore, once the connecting member 30 with the cane is connected to the support member, even if the connecting member 30 with the cane moves up and down, the connecting member 30 such as the top of the support member collides with the connecting member 30 such as the top member. Can be prevented from coming off from the support member.
- one bundle member 34 is installed vertically from the vicinity of the left and right ends of the horizontal member 31, and the respective canes 32 are connected to each other. The wand 32 is supported from above.
- the button pin 41 includes a large-diameter button portion 41a and a small-diameter attachment shaft 41b, and is vertically attached to the end plate 40 joined to the end portion of the horizontal member 31.
- the outer diameter of the button part 41a is larger than the width
- the outer diameter of the mounting portion 41b is smaller than the width of the upward cutout portion. Therefore, the end portion of the horizontal member 31 can be hooked to the column member, and the end portion of the horizontal member 31 is not easily detached from the column member after the latching.
- the button pin attached to the end plate 40 joined to the end of the horizontal member 31 can be of the same shape as that shown in FIGS. Also, the button pin can be attached by welding or screwing in the same manner as in FIGS. Considering the labor of joining, it is preferable to join with screws such as blind nuts.
- FIG. 21 is an example of an upward cut-out portion provided in the support member to be connected.
- a front view is shown on the left side, and a right side view is shown on the right side.
- the upward notch 42a is formed by attaching a thin frame 42 to the side surface of the column member 3 and providing a notch on the front wall of the thin frame 42.
- FIG. 22 is a front view showing a procedure for hooking the end portion of the horizontal member of the tie member with the cane in FIG. 20 to the upward notch on the side surface of the column member in FIG.
- the button pin 41 is joined to the end portion of the horizontal member 31 of the binder with the cane via the end plate 40. And the button pin 41 of the edge part of the horizontal member 31 is latched by the upward notch part 42a provided in the side surface of the support
- the button pins 41 at the ends of the horizontal members are hooked on the upward notches 42a on the side surfaces of the left and right support members 3, respectively.
- the tie member with the cane is rotated about the upward notch 42a as the rotation axis, and the lower ends of the left and right two canes 32 are aligned with the frames 4 on the side surfaces of the left and right support members 3, respectively.
- a procedure is adopted in which the wedge 30a is fastened by being driven into the wedge fitting 30b.
- the connecting member 30 with the cane can be connected to the side surface of the support member 3.
- the connecting member with a cane As described above, as a connecting member with a cane to be connected between the strut members, the hooks on the strut members are replaced with the wedges at the two ends of the horizontal member even if the four portions are not fastened with the wedges. Even by stopping, the connecting member with the cane can be firmly connected to the left and right support members. Further, the operation of connecting the tie member with the cane between the support members is reduced and facilitated. Further, the connecting material with a cane according to the conventional example (see FIGS. 6 and 7) has a cloth frame with a floor spanned on the connecting material as a support column due to the presence of the wedge metal fittings provided at both ends of the horizontal member.
- FIG. 23 is another example of a binder with a cane according to the present invention.
- (A) of FIG. 23 is a front view
- (b) is an enlarged left side view of part A
- (c) is an enlarged front view of ridge A part.
- This tie member 30 with a cane is composed of a horizontal member 31 made of a pipe made of steel or aluminum, and two cane 32 that support the horizontal member 31 from obliquely below.
- An end plate 40 is joined to each end of the horizontal member 31, and the end of the horizontal member 31 is connected to the support member by hooking the end of the horizontal member 31 to the support member.
- a wedge metal fitting 30b is joined to the lower end of the cane 32 by welding or the like. After hooking the wedge metal fitting 30b on a connecting metal fitting such as a frame provided on the side surface of the column member, the wedge 30a is attached. By driving in, the lower end of the cane 32 can be fastened to the support member.
- the wedge metal fitting 30b provided at the lower end of the wand 32 has a C-shape when viewed from the front, the wedge metal fitting 30b sandwiches the connecting metal fitting such as a frame provided on the side surface of the support member from above and below. You can hold in. Therefore, once the connecting member 30 with the cane is connected to the support member, even if the connecting member 30 with the cane moves up and down, the connecting member 30 such as the frame of the support member collides with the connecting member 30 with the support member. Can be prevented from coming off the support member.
- one bundle member 34 is vertically installed from the vicinity of the left and right ends of the horizontal member 31, and the respective canes 32 are connected to each other. The wand 32 is supported from above.
- the outer diameter of the end plate 40 joined to the end portion of the horizontal member 31 is larger than the width of the upward notch portion provided on the front wall of the thin frame attached to the column member to be connected. large. Further, the outer diameter of the horizontal member 31 is smaller than the width of the upward notch. Therefore, the end portion of the horizontal member 31 can be hooked to the column member, and the end portion of the horizontal member 31 is not easily detached from the column member after the latching.
- FIG. 24 is an example of an upward notch provided in a support member to be connected.
- a front view is shown on the left side, and a right side view is shown on the right side.
- the upward notch 42a is formed by attaching a thin frame 42 to the side surface of the column member 3 and providing an upward notch on the front wall of the thin frame 42.
- FIG. 25 is a front view showing a procedure for hooking the end portion of the horizontal member of the tie member with the cane in FIG. 23 to the upward cut-out portion on the side surface of the column member in FIG.
- the end plate 40 is joined to the end portion of the horizontal member 31 of the binder with the cane. Then, by moving the end portion of the horizontal member 31 from above to below, the end plate 40 at the end portion of the horizontal member 31 is hooked on the upward notch portion 42a provided on the side surface of the support member 3. can do. Since the width of the notch 42a and the outer diameter of the end plate 40 and the horizontal member 31 are in the relationship as described above, once the end plate 40 is once hooked on the upward notch 42a. It can be seen that unless the end of the horizontal member 31 is lifted upward, the connection of the end of the horizontal member 31 to the column member 3 is not released.
- the work of connecting the tie member with the cane between the strut members is performed by first hooking the end plates 40 of the end portions of the horizontal members to the upward notches 42a on the side surfaces of the left and right strut members 3, respectively. After that, the tie member with the cane is rotated about the upward notch 42a as the rotation axis, and the lower ends of the left and right two canes 32 are aligned with the tops 4 on the side surfaces of the left and right support members 3, respectively. Then, a procedure is adopted in which the wedge 30a is fastened by being driven into the wedge fitting 30b.
- the connecting member 30 with the cane can be connected to the side surface of the support member 3.
- the connecting member with a cane As described above, as a connecting member with a cane to be connected between the strut members, the hooks on the strut members are replaced with the wedges at the two ends of the horizontal member even if the four portions are not fastened with the wedges. Even by stopping, the connecting member with the cane can be firmly connected to the left and right support members. Further, the operation of connecting the tie member with the cane between the support members is reduced and facilitated. Further, the connecting material with a cane according to the conventional example (see FIGS. 6 and 7) has a cloth frame with a floor spanned on the connecting material as a support column due to the presence of the wedge metal fittings provided at both ends of the horizontal member.
- the present invention it is possible to provide a joining material that can easily and reduce the connection work with the support member and can be firmly connected to the support material, and a temporary scaffold incorporating the joining material.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
2 つなぎ材
2a 水平部材の端部のクサビ
2b 水平部材の端部のクサビ金具
3 支柱部材
4 コマ
5 ジャッキベース
6 大引受ジャッキ
7 大引材
8 根太材
9 床付き布枠
14 建物
20 手摺部材
21 ブレース材
30 方杖付つなぎ材
30a 方杖の下端部のクサビ
30b 方杖の下端部のクサビ金具
31 水平部材
31a 水平部材の端部の下部の開口部
32 方杖
33 縦型プレート
34 束材
34a クサビ仮受け用孔
36 ハンマー
40 端部板
40a 端部板の下向きの切り欠き部
41 ボタンピン
41a ボタン部
41b 取付軸
41c 固定部材
41d ネーブルボルト
42 薄幅のコマ
42a 薄幅のコマの上向きの切り欠き部
50 ネーブル座金
51 ブラインドナット
52 孔
100 システム支保工
101 コンクリート構造物(スラブ)
102 型枠 DESCRIPTION OF
102 formwork
Claims (11)
- 水平部材とこの水平部材を斜め下方から支える2本の方杖とからなる方杖付つなぎ材であって、水平部材の両端部には支柱部材への掛止手段が設けられており、かつ、方杖の下端にはクサビ金具が設けられていることを特徴とする方杖付つなぎ材。 A tie member with a wand composed of a horizontal member and two wands that support the horizontal member from obliquely below, and both ends of the horizontal member are provided with means for engaging the support member, and A binder with a cane, characterized in that a wedge metal fitting is provided at the lower end of the cane.
- 水平部材の両端部の少なくとも一方には、掛止手段として下向きの切り欠き部を有する端部板が設けられていることを特徴とする、請求項1に記載の方杖付つなぎ材。 The connecting member with a cane according to claim 1, wherein at least one of both ends of the horizontal member is provided with an end plate having a downward notch as a latching means.
- 下向きの切り欠き部の幅が、連結すべき支柱部材の側面に設けられたボタンピンのボタン部の外径より小さくかつボタンピンの取付軸の外径より大きいことを特徴とする、請求項2に記載の方杖付つなぎ材。 The width of the downward notch is smaller than the outer diameter of the button portion of the button pin provided on the side surface of the column member to be connected and larger than the outer diameter of the button pin mounting shaft. Connecting material with a cane as described in.
- 水平部材の端部の下部には、連結すべき支柱部材の側面に設けられたボタンピンのボタン部を収容できるだけの開口部を有することを特徴とする、請求項3に記載の方杖付つなぎ材。 The tie with a cane according to claim 3, characterized in that the lower part of the end part of the horizontal member has an opening enough to accommodate the button part of the button pin provided on the side surface of the column member to be connected. Wood.
- 水平部材の両端部の少なくとも一方には、掛止手段としてボタンピンが設けられていることを特徴とする、請求項4に記載の方杖付つなぎ材。 The connecting material with a cane according to claim 4, wherein a button pin is provided as a latching means on at least one of both ends of the horizontal member.
- ボタンピンが、連結すべき支柱部材の側面に設けられた上向きの切り欠き部の幅よりも大きい外径を有するボタン部と、この切り欠き部の幅よりも小さい外径を有する取付軸からなることを特徴とする、請求項5に記載の方杖付つなぎ材。 The button pin includes a button portion having an outer diameter larger than the width of the upward notch portion provided on the side surface of the column member to be connected, and an attachment shaft having an outer diameter smaller than the width of the notch portion. The binder with a wand according to claim 5, wherein
- 水平部材の両端部の少なくとも一方には、掛止手段として、水平部材の外径よりも大きい外径を有する円形の端部板が設けられていることを特徴とする、請求項1に記載の方杖付つなぎ材。 The circular end plate having an outer diameter larger than the outer diameter of the horizontal member is provided as at least one of both ends of the horizontal member as a latching means. Tie with brace.
- 円形の端部板が、連結すべき支柱部材の側面に設けられた上向きの切り欠き部の幅よりも大きい外径を有することを特徴とする、請求項7に記載の方杖付つなぎ材。 The connecting material with a cane according to claim 7, wherein the circular end plate has an outer diameter larger than a width of an upward notch portion provided on a side surface of a support member to be connected.
- 方杖の下端部に設けるクサビ金具が、連結すべき支柱部材の側面に設けられた連結金具を上下から挟んで内抱できる形状を有することを特徴とする、請求項1から8までのいずれかに記載の方杖付つなぎ材。 The wedge metal provided at the lower end portion of the cane has a shape that can be held by sandwiching the connection metal provided on the side surface of the column member to be connected from above and below, according to any one of claims 1 to 8. Connecting material with a cane as described in.
- 方杖の下端部に設けるクサビ金具がC字形状を有することを特徴とする、請求項1から8までのいずれかに記載の方杖付つなぎ材。 The binder with a cane according to any one of claims 1 to 8, characterized in that the wedge metal fitting provided at the lower end of the cane has a C-shape.
- 請求項1から10までのいずれかに記載の方杖付つなぎ材を組み込んでなる仮設足場。 A temporary scaffold in which the binder with a wand according to any one of claims 1 to 10 is incorporated.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012526363A JP5789606B2 (en) | 2010-07-26 | 2011-06-13 | Connecting material with a cane and temporary scaffold |
CN201180037075.1A CN103038430B (en) | 2010-07-26 | 2011-06-13 | Connector with diagonal brace and scaffold is set temporarily |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010167037 | 2010-07-26 | ||
JP2010-167037 | 2010-07-26 |
Publications (2)
Publication Number | Publication Date |
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WO2012014581A1 true WO2012014581A1 (en) | 2012-02-02 |
WO2012014581A9 WO2012014581A9 (en) | 2012-11-29 |
Family
ID=45529802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/063471 WO2012014581A1 (en) | 2010-07-26 | 2011-06-13 | Strut-equipped tie member and temporary scaffold |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5789606B2 (en) |
CN (1) | CN103038430B (en) |
WO (1) | WO2012014581A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013194461A (en) * | 2012-03-22 | 2013-09-30 | Alinco Inc | Strengthening device for scaffold construction |
JP2016141951A (en) * | 2015-01-30 | 2016-08-08 | ホリー株式会社 | Reinforcement frame for temporary structure |
GB2550562A (en) * | 2016-05-17 | 2017-11-29 | Travers Mark | Scaffold |
US20180251989A1 (en) * | 2015-09-02 | 2018-09-06 | Atlantic Pacific Equipment, Inc. | Horizontal scaffold support component |
WO2023025603A3 (en) * | 2021-08-27 | 2023-04-20 | Peri Se | Scaffold transom |
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US2736613A (en) * | 1952-02-09 | 1956-02-28 | Zigmund J Jagiel | Sectional frame structure |
JP2000064592A (en) * | 1998-08-19 | 2000-02-29 | Asahi Sangyo Kk | Temporary structural material and constructing method of temporary structure base body using the same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0318353U (en) * | 1989-06-30 | 1991-02-22 | ||
JP2573117B2 (en) * | 1991-10-01 | 1997-01-22 | 明興金属工業株式会社 | Connecting device in temporary frame structure |
JPH06280382A (en) * | 1993-03-27 | 1994-10-04 | Kasetsu Kogyokai | Prefabricated scaffolding unit |
JP3400794B2 (en) * | 2001-05-21 | 2003-04-28 | 有限会社ラリック | Temporary members for handrails |
CN1158443C (en) * | 2002-08-21 | 2004-07-21 | 李志华 | Plug-in type scaffold assembly |
CN1250848C (en) * | 2002-09-10 | 2006-04-12 | 拉里克有限公司 | Temporary structural parts for armrest |
CN2637629Y (en) * | 2003-06-14 | 2004-09-01 | 李跃明 | Interpolated scaffold connecting element and interpolation type scaffold |
JP2006169883A (en) * | 2004-12-17 | 2006-06-29 | Sankyo:Kk | Temporary construction member and joint for temporary construction member |
JP4890530B2 (en) * | 2008-12-15 | 2012-03-07 | Krh株式会社 | Bracing for temporary scaffolding |
-
2011
- 2011-06-13 CN CN201180037075.1A patent/CN103038430B/en not_active Expired - Fee Related
- 2011-06-13 JP JP2012526363A patent/JP5789606B2/en not_active Expired - Fee Related
- 2011-06-13 WO PCT/JP2011/063471 patent/WO2012014581A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2736613A (en) * | 1952-02-09 | 1956-02-28 | Zigmund J Jagiel | Sectional frame structure |
JP2000064592A (en) * | 1998-08-19 | 2000-02-29 | Asahi Sangyo Kk | Temporary structural material and constructing method of temporary structure base body using the same |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013194461A (en) * | 2012-03-22 | 2013-09-30 | Alinco Inc | Strengthening device for scaffold construction |
JP2016141951A (en) * | 2015-01-30 | 2016-08-08 | ホリー株式会社 | Reinforcement frame for temporary structure |
US20180251989A1 (en) * | 2015-09-02 | 2018-09-06 | Atlantic Pacific Equipment, Inc. | Horizontal scaffold support component |
EP3344829A4 (en) * | 2015-09-02 | 2019-05-22 | Atlantic Pacific Equipment, Inc. | Horizontal scaffold support component |
US10731362B2 (en) | 2015-09-02 | 2020-08-04 | Atlantic Pacific Equipment, Inc. | Horizontal scaffold support component |
GB2550562A (en) * | 2016-05-17 | 2017-11-29 | Travers Mark | Scaffold |
WO2023025603A3 (en) * | 2021-08-27 | 2023-04-20 | Peri Se | Scaffold transom |
Also Published As
Publication number | Publication date |
---|---|
CN103038430A (en) | 2013-04-10 |
JP5789606B2 (en) | 2015-10-07 |
JPWO2012014581A1 (en) | 2013-09-12 |
WO2012014581A9 (en) | 2012-11-29 |
CN103038430B (en) | 2015-11-25 |
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